{ "schema": "aq26_england_network_review_v3", "status": "complete_england_network_review", "target_area": "England", "period_start": "2026-06-23", "period_end": "2026-07-22", "period_days": 30, "period_end_rule": "latest completed source-calendar day with valid evidence in all 9 English regions", "regions_with_valid_data_on_period_end": 9, "configured_region_count": 9, "regions_reporting": 9, "region_coverage_percent": 100.0, "active_aurn_sites_discovered": 171, "configured_target_pollutant_station_count": 142, "reporting_station_count": 141, "reporting_station_coverage_percent": 99.3, "configured_target_stream_count": 330, "expected_configured_stream_days": 9868, "valid_station_days": 9549, "configured_stream_day_completeness_percent": 96.8, "national_publication_ready": true, "coverage_contract": { "all_nine_english_regions_required": true, "minimum_reporting_station_fraction": 0.85, "minimum_configured_stream_day_fraction": 0.85, "minimum_region_pollutant_stream_day_fraction": 0.8, "minimum_stations_for_regional_comparison": 2, "fixed_panel_minimum_valid_days": 27, "configured_pollutant_streams_are_the_completeness_denominator": true }, "completeness_scope": "valid station-days divided by expected station-days for every currently configured NO2, PM10 and PM2.5 stream discovered at active English AURN sites", "pollutant_coverage": [ { "pollutant": "PM2.5", "configured_station_streams": 126, "configured_regions": 9, "expected_station_days": 3764, "reporting_stations": 125, "reporting_regions": 9, "valid_station_days": 3660, "configured_stream_day_completeness_percent": 97.2, "all_configured_regions_reporting": true, "coverage_status": "reporting" }, { "pollutant": "PM10", "configured_station_streams": 108, "configured_regions": 9, "expected_station_days": 3224, "reporting_stations": 106, "reporting_regions": 9, "valid_station_days": 3088, "configured_stream_day_completeness_percent": 95.8, "all_configured_regions_reporting": true, "coverage_status": "reporting" }, { "pollutant": "NO2", "configured_station_streams": 96, "configured_regions": 9, "expected_station_days": 2880, "reporting_stations": 96, "reporting_regions": 9, "valid_station_days": 2801, "configured_stream_day_completeness_percent": 97.3, "all_configured_regions_reporting": true, "coverage_status": "reporting" } ], "region_pollutant_coverage": [ { "region": "North East", "pollutant": "PM2.5", "expected_station_days": 360, "valid_station_days": 346, "reporting_stations": 12, "completeness_percent": 96.1, "meets_minimum_cell_floor": true, "meets_national_stream_threshold": true, "coverage_status": "meets_national_threshold" }, { "region": "North East", "pollutant": "PM10", "expected_station_days": 300, "valid_station_days": 286, "reporting_stations": 10, "completeness_percent": 95.3, "meets_minimum_cell_floor": true, "meets_national_stream_threshold": true, "coverage_status": "meets_national_threshold" }, { "region": "North East", "pollutant": "NO2", "expected_station_days": 240, "valid_station_days": 225, "reporting_stations": 8, "completeness_percent": 93.8, "meets_minimum_cell_floor": true, "meets_national_stream_threshold": true, "coverage_status": "meets_national_threshold" }, { "region": "North West", "pollutant": "PM2.5", "expected_station_days": 527, "valid_station_days": 494, "reporting_stations": 17, "completeness_percent": 93.7, "meets_minimum_cell_floor": true, "meets_national_stream_threshold": true, "coverage_status": "meets_national_threshold" }, { "region": "North West", "pollutant": "PM10", "expected_station_days": 467, "valid_station_days": 427, "reporting_stations": 15, "completeness_percent": 91.4, "meets_minimum_cell_floor": true, "meets_national_stream_threshold": true, "coverage_status": "meets_national_threshold" }, { "region": "North West", "pollutant": "NO2", "expected_station_days": 510, "valid_station_days": 491, "reporting_stations": 17, "completeness_percent": 96.3, "meets_minimum_cell_floor": true, "meets_national_stream_threshold": true, "coverage_status": "meets_national_threshold" }, { "region": "Yorkshire and the Humber", "pollutant": "PM2.5", "expected_station_days": 570, "valid_station_days": 554, "reporting_stations": 19, "completeness_percent": 97.2, "meets_minimum_cell_floor": true, "meets_national_stream_threshold": true, "coverage_status": "meets_national_threshold" }, { "region": "Yorkshire and the Humber", "pollutant": "PM10", "expected_station_days": 510, "valid_station_days": 493, "reporting_stations": 17, "completeness_percent": 96.7, "meets_minimum_cell_floor": true, "meets_national_stream_threshold": true, "coverage_status": "meets_national_threshold" }, { "region": "Yorkshire and the Humber", "pollutant": "NO2", "expected_station_days": 450, "valid_station_days": 446, "reporting_stations": 15, "completeness_percent": 99.1, "meets_minimum_cell_floor": true, "meets_national_stream_threshold": true, "coverage_status": "meets_national_threshold" }, { "region": "East Midlands", "pollutant": "PM2.5", "expected_station_days": 360, "valid_station_days": 354, "reporting_stations": 12, "completeness_percent": 98.3, "meets_minimum_cell_floor": true, "meets_national_stream_threshold": true, "coverage_status": "meets_national_threshold" }, { "region": "East Midlands", "pollutant": "PM10", "expected_station_days": 300, "valid_station_days": 296, "reporting_stations": 10, "completeness_percent": 98.7, "meets_minimum_cell_floor": true, "meets_national_stream_threshold": true, "coverage_status": "meets_national_threshold" }, { "region": "East Midlands", "pollutant": "NO2", "expected_station_days": 270, "valid_station_days": 269, "reporting_stations": 9, "completeness_percent": 99.6, "meets_minimum_cell_floor": true, "meets_national_stream_threshold": true, "coverage_status": "meets_national_threshold" }, { "region": "West Midlands", "pollutant": "PM2.5", "expected_station_days": 567, "valid_station_days": 556, "reporting_stations": 19, "completeness_percent": 98.1, "meets_minimum_cell_floor": true, "meets_national_stream_threshold": true, "coverage_status": "meets_national_threshold" }, { "region": "West Midlands", "pollutant": "PM10", "expected_station_days": 537, "valid_station_days": 526, "reporting_stations": 18, "completeness_percent": 98.0, "meets_minimum_cell_floor": true, "meets_national_stream_threshold": true, "coverage_status": "meets_national_threshold" }, { "region": "West Midlands", "pollutant": "NO2", "expected_station_days": 480, "valid_station_days": 461, "reporting_stations": 16, "completeness_percent": 96.0, "meets_minimum_cell_floor": true, "meets_national_stream_threshold": true, "coverage_status": "meets_national_threshold" }, { "region": "East of England", "pollutant": "PM2.5", "expected_station_days": 210, "valid_station_days": 202, "reporting_stations": 7, "completeness_percent": 96.2, "meets_minimum_cell_floor": true, "meets_national_stream_threshold": true, "coverage_status": "meets_national_threshold" }, { "region": "East of England", "pollutant": "PM10", "expected_station_days": 150, "valid_station_days": 149, "reporting_stations": 5, "completeness_percent": 99.3, "meets_minimum_cell_floor": true, "meets_national_stream_threshold": true, "coverage_status": "meets_national_threshold" }, { "region": "East of England", "pollutant": "NO2", "expected_station_days": 120, "valid_station_days": 117, "reporting_stations": 4, "completeness_percent": 97.5, "meets_minimum_cell_floor": true, "meets_national_stream_threshold": true, "coverage_status": "meets_national_threshold" }, { "region": "London", "pollutant": "PM2.5", "expected_station_days": 210, "valid_station_days": 210, "reporting_stations": 7, "completeness_percent": 100.0, "meets_minimum_cell_floor": true, "meets_national_stream_threshold": true, "coverage_status": "meets_national_threshold" }, { "region": "London", "pollutant": "PM10", "expected_station_days": 180, "valid_station_days": 150, "reporting_stations": 5, "completeness_percent": 83.3, "meets_minimum_cell_floor": true, "meets_national_stream_threshold": false, "coverage_status": "meets_minimum_floor_with_exception" }, { "region": "London", "pollutant": "NO2", "expected_station_days": 120, "valid_station_days": 120, "reporting_stations": 4, "completeness_percent": 100.0, "meets_minimum_cell_floor": true, "meets_national_stream_threshold": true, "coverage_status": "meets_national_threshold" }, { "region": "South East", "pollutant": "PM2.5", "expected_station_days": 540, "valid_station_days": 540, "reporting_stations": 18, "completeness_percent": 100.0, "meets_minimum_cell_floor": true, "meets_national_stream_threshold": true, "coverage_status": "meets_national_threshold" }, { "region": "South East", "pollutant": "PM10", "expected_station_days": 480, "valid_station_days": 471, "reporting_stations": 16, "completeness_percent": 98.1, "meets_minimum_cell_floor": true, "meets_national_stream_threshold": true, "coverage_status": "meets_national_threshold" }, { "region": "South East", "pollutant": "NO2", "expected_station_days": 390, "valid_station_days": 381, "reporting_stations": 13, "completeness_percent": 97.7, "meets_minimum_cell_floor": true, "meets_national_stream_threshold": true, "coverage_status": "meets_national_threshold" }, { "region": "South West", "pollutant": "PM2.5", "expected_station_days": 420, "valid_station_days": 404, "reporting_stations": 14, "completeness_percent": 96.2, "meets_minimum_cell_floor": true, "meets_national_stream_threshold": true, "coverage_status": "meets_national_threshold" }, { "region": "South West", "pollutant": "PM10", "expected_station_days": 300, "valid_station_days": 290, "reporting_stations": 10, "completeness_percent": 96.7, "meets_minimum_cell_floor": true, "meets_national_stream_threshold": true, "coverage_status": "meets_national_threshold" }, { "region": "South West", "pollutant": "NO2", "expected_station_days": 300, "valid_station_days": 291, "reporting_stations": 10, "completeness_percent": 97.0, "meets_minimum_cell_floor": true, "meets_national_stream_threshold": true, "coverage_status": "meets_national_threshold" } ], "regional_coverage_exceptions": [ { "region": "London", "pollutant": "PM10", "expected_station_days": 180, "valid_station_days": 150, "reporting_stations": 5, "completeness_percent": 83.3, "meets_minimum_cell_floor": true, "meets_national_stream_threshold": false, "coverage_status": "meets_minimum_floor_with_exception" } ], "availability": [ { "region": "North East", "active_aurn_sites_discovered": 13, "configured_target_pollutant_sites": 12, "reporting_stations": 12, "pollutants_with_valid_daily_means": [ "NO2", "PM10", "PM2.5" ], "valid_station_days": 857, "coverage_status": "reporting" }, { "region": "North West", "active_aurn_sites_discovered": 24, "configured_target_pollutant_sites": 23, "reporting_stations": 22, "pollutants_with_valid_daily_means": [ "NO2", "PM10", "PM2.5" ], "valid_station_days": 1412, "coverage_status": "reporting" }, { "region": "Yorkshire and the Humber", "active_aurn_sites_discovered": 21, "configured_target_pollutant_sites": 20, "reporting_stations": 20, "pollutants_with_valid_daily_means": [ "NO2", "PM10", "PM2.5" ], "valid_station_days": 1493, "coverage_status": "reporting" }, { "region": "East Midlands", "active_aurn_sites_discovered": 16, "configured_target_pollutant_sites": 13, "reporting_stations": 13, "pollutants_with_valid_daily_means": [ "NO2", "PM10", "PM2.5" ], "valid_station_days": 919, "coverage_status": "reporting" }, { "region": "West Midlands", "active_aurn_sites_discovered": 22, "configured_target_pollutant_sites": 22, "reporting_stations": 22, "pollutants_with_valid_daily_means": [ "NO2", "PM10", "PM2.5" ], "valid_station_days": 1543, "coverage_status": "reporting" }, { "region": "East of England", "active_aurn_sites_discovered": 15, "configured_target_pollutant_sites": 8, "reporting_stations": 8, "pollutants_with_valid_daily_means": [ "NO2", "PM10", "PM2.5" ], "valid_station_days": 468, "coverage_status": "reporting" }, { "region": "London", "active_aurn_sites_discovered": 17, "configured_target_pollutant_sites": 7, "reporting_stations": 7, "pollutants_with_valid_daily_means": [ "NO2", "PM10", "PM2.5" ], "valid_station_days": 480, "coverage_status": "reporting" }, { "region": "South East", "active_aurn_sites_discovered": 24, "configured_target_pollutant_sites": 20, "reporting_stations": 20, "pollutants_with_valid_daily_means": [ "NO2", "PM10", "PM2.5" ], "valid_station_days": 1392, "coverage_status": "reporting" }, { "region": "South West", "active_aurn_sites_discovered": 19, "configured_target_pollutant_sites": 17, "reporting_stations": 17, "pollutants_with_valid_daily_means": [ "NO2", "PM10", "PM2.5" ], "valid_station_days": 985, "coverage_status": "reporting" } ], "station_statistics": [ { "region": "East Midlands", "station_code": "CHLG", "uka_id": "UKA00604", "station_name": "Chesterfield Loundsley Green", "environment_type": "Urban Background", "pollutant": "NO2", "valid_days": 30, "ratified_days": 0, "provisional_or_as_supplied_days": 30, "period_stat_eligible": true, "fixed_panel_eligible": true, "period_mean_ug_m3": 4.31, "period_median_ug_m3": 4.27, "period_p95_daily_mean_ug_m3": 6.73, "max_daily_mean_ug_m3": 7.99, "days_above_who_reference": 0 }, { "region": "East Midlands", "station_code": "CHLG", "uka_id": "UKA00604", "station_name": "Chesterfield Loundsley Green", "environment_type": "Urban Background", "pollutant": "PM10", "valid_days": 30, "ratified_days": 0, "provisional_or_as_supplied_days": 30, "period_stat_eligible": true, "fixed_panel_eligible": true, "period_mean_ug_m3": 13.05, "period_median_ug_m3": 12.91, "period_p95_daily_mean_ug_m3": 22.41, "max_daily_mean_ug_m3": 25.86, "days_above_who_reference": 0 }, { "region": "East Midlands", "station_code": "CHLG", "uka_id": "UKA00604", "station_name": "Chesterfield Loundsley Green", "environment_type": "Urban Background", "pollutant": "PM2.5", "valid_days": 30, "ratified_days": 0, "provisional_or_as_supplied_days": 30, "period_stat_eligible": true, "fixed_panel_eligible": true, "period_mean_ug_m3": 6.89, "period_median_ug_m3": 6.04, "period_p95_daily_mean_ug_m3": 14.42, "max_daily_mean_ug_m3": 18.7, "days_above_who_reference": 1 }, { "region": "East Midlands", "station_code": "CHS7", "uka_id": "UKA00529", "station_name": "Chesterfield Roadside", "environment_type": "Urban Traffic", "pollutant": "NO2", "valid_days": 30, "ratified_days": 0, "provisional_or_as_supplied_days": 30, "period_stat_eligible": true, "fixed_panel_eligible": true, "period_mean_ug_m3": 10.3, "period_median_ug_m3": 10.1, "period_p95_daily_mean_ug_m3": 16.65, "max_daily_mean_ug_m3": 18.72, "days_above_who_reference": 0 }, { "region": "East Midlands", "station_code": "CHS7", "uka_id": "UKA00529", "station_name": "Chesterfield Roadside", "environment_type": "Urban Traffic", "pollutant": "PM10", "valid_days": 29, "ratified_days": 0, "provisional_or_as_supplied_days": 29, "period_stat_eligible": true, "fixed_panel_eligible": true, "period_mean_ug_m3": 18.93, "period_median_ug_m3": 17.51, "period_p95_daily_mean_ug_m3": 38.62, "max_daily_mean_ug_m3": 56.72, "days_above_who_reference": 1 }, { "region": "East Midlands", "station_code": "CHS7", "uka_id": "UKA00529", "station_name": "Chesterfield Roadside", "environment_type": "Urban Traffic", "pollutant": "PM2.5", "valid_days": 29, "ratified_days": 0, "provisional_or_as_supplied_days": 29, "period_stat_eligible": true, "fixed_panel_eligible": true, "period_mean_ug_m3": 8.04, "period_median_ug_m3": 6.22, "period_p95_daily_mean_ug_m3": 16.69, "max_daily_mean_ug_m3": 22.64, "days_above_who_reference": 3 }, { "region": "East Midlands", "station_code": "DESA", "uka_id": "UKA00630", "station_name": "Derby St Alkmund's Way", "environment_type": "Urban Traffic", "pollutant": "NO2", "valid_days": 30, "ratified_days": 0, "provisional_or_as_supplied_days": 30, "period_stat_eligible": true, "fixed_panel_eligible": true, "period_mean_ug_m3": 15.37, "period_median_ug_m3": 14.18, "period_p95_daily_mean_ug_m3": 25.9, "max_daily_mean_ug_m3": 29.68, "days_above_who_reference": 3 }, { "region": "East Midlands", "station_code": "DESA", "uka_id": "UKA00630", "station_name": "Derby St Alkmund's Way", "environment_type": "Urban Traffic", "pollutant": "PM2.5", "valid_days": 30, "ratified_days": 0, "provisional_or_as_supplied_days": 30, "period_stat_eligible": true, "fixed_panel_eligible": true, "period_mean_ug_m3": 8.03, "period_median_ug_m3": 6.65, "period_p95_daily_mean_ug_m3": 14.76, "max_daily_mean_ug_m3": 19.7, "days_above_who_reference": 2 }, { "region": "East Midlands", "station_code": "DESB", "uka_id": "UKA01027", "station_name": "Derby Stockbrook Park", "environment_type": "Urban Background", "pollutant": "PM10", "valid_days": 30, "ratified_days": 0, "provisional_or_as_supplied_days": 30, "period_stat_eligible": true, "fixed_panel_eligible": true, "period_mean_ug_m3": 13.41, "period_median_ug_m3": 13.63, "period_p95_daily_mean_ug_m3": 21.24, "max_daily_mean_ug_m3": 24.42, "days_above_who_reference": 0 }, { "region": "East Midlands", "station_code": "DESB", "uka_id": "UKA01027", "station_name": "Derby Stockbrook Park", "environment_type": "Urban Background", "pollutant": "PM2.5", "valid_days": 30, "ratified_days": 0, "provisional_or_as_supplied_days": 30, "period_stat_eligible": true, "fixed_panel_eligible": true, "period_mean_ug_m3": 7.05, "period_median_ug_m3": 5.79, "period_p95_daily_mean_ug_m3": 13.29, "max_daily_mean_ug_m3": 17.48, "days_above_who_reference": 1 }, { "region": "East Midlands", "station_code": "LECU", "uka_id": "UKA00573", "station_name": "Leicester University", "environment_type": "Urban Background", "pollutant": "NO2", "valid_days": 30, "ratified_days": 0, "provisional_or_as_supplied_days": 30, "period_stat_eligible": true, "fixed_panel_eligible": true, "period_mean_ug_m3": 9.27, "period_median_ug_m3": 9.61, "period_p95_daily_mean_ug_m3": 15.57, "max_daily_mean_ug_m3": 17.62, "days_above_who_reference": 0 }, { "region": "East Midlands", "station_code": "LECU", "uka_id": "UKA00573", "station_name": "Leicester University", "environment_type": "Urban Background", "pollutant": "PM10", "valid_days": 30, "ratified_days": 0, "provisional_or_as_supplied_days": 30, "period_stat_eligible": true, "fixed_panel_eligible": true, "period_mean_ug_m3": 11.67, "period_median_ug_m3": 10.8, "period_p95_daily_mean_ug_m3": 19.57, "max_daily_mean_ug_m3": 23.12, "days_above_who_reference": 0 }, { "region": "East Midlands", "station_code": "LECU", "uka_id": "UKA00573", "station_name": "Leicester University", "environment_type": "Urban Background", "pollutant": "PM2.5", "valid_days": 30, "ratified_days": 0, "provisional_or_as_supplied_days": 30, "period_stat_eligible": true, "fixed_panel_eligible": true, "period_mean_ug_m3": 6.6, "period_median_ug_m3": 5.68, "period_p95_daily_mean_ug_m3": 11.05, "max_daily_mean_ug_m3": 17.19, "days_above_who_reference": 1 }, { "region": "East Midlands", "station_code": "LEIR", "uka_id": "UKA00609", "station_name": "Leicester A594 Roadside", "environment_type": "Urban Traffic", "pollutant": "NO2", "valid_days": 30, "ratified_days": 0, "provisional_or_as_supplied_days": 30, "period_stat_eligible": true, "fixed_panel_eligible": true, "period_mean_ug_m3": 17.39, "period_median_ug_m3": 17.08, "period_p95_daily_mean_ug_m3": 29.33, "max_daily_mean_ug_m3": 34.2, "days_above_who_reference": 3 }, { "region": "East Midlands", "station_code": "LEIR", "uka_id": "UKA00609", "station_name": "Leicester A594 Roadside", "environment_type": "Urban Traffic", "pollutant": "PM10", "valid_days": 27, "ratified_days": 0, "provisional_or_as_supplied_days": 27, "period_stat_eligible": true, "fixed_panel_eligible": true, "period_mean_ug_m3": 15.54, "period_median_ug_m3": 16.14, "period_p95_daily_mean_ug_m3": 22.99, 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"UKA00535", "region": "North East", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SUN2", "uka_id": "UKA00484", "region": "North East", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SUN2", "uka_id": "UKA00484", "region": "North East", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SUN2", "uka_id": "UKA00484", "region": "North East", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SUNR", "uka_id": "UKA00601", "region": "North East", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SUNR", "uka_id": "UKA00601", "region": "North East", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BBRD", "uka_id": "UKA00625", "region": "North West", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BBRD", "uka_id": "UKA00625", "region": "North West", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BLAR", "uka_id": "UKA00590", "region": "North West", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BLAP", "uka_id": "UKA01025", "region": "North West", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BLAP", "uka_id": "UKA01025", "region": "North West", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BLC2", "uka_id": "UKA00488", "region": "North West", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BLC2", "uka_id": "UKA00488", "region": "North West", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BLC2", "uka_id": "UKA00488", "region": "North West", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BLWD", "uka_id": "UKA01049", "region": "North West", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BURW", "uka_id": "UKA00598", "region": "North West", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BURW", "uka_id": "UKA00598", "region": "North West", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "CARM", "uka_id": "UKA00932", "region": "North West", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "CARM", "uka_id": "UKA00932", "region": "North West", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "CARM", "uka_id": "UKA00932", "region": "North West", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "COPP", "uka_id": "UKA00659", "region": "North West", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "COPP", "uka_id": "UKA00659", "region": "North West", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "COPP", "uka_id": "UKA00659", "region": "North West", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LVP", "uka_id": "UKA00247", "region": "North West", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LVP", "uka_id": "UKA00247", "region": "North West", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LVP", "uka_id": "UKA00247", "region": "North West", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LVPT", "uka_id": "UKA01095", "region": "North West", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LVPT", "uka_id": "UKA01095", "region": "North West", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "MAN3", "uka_id": "UKA00248", "region": "North West", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "MAN3", "uka_id": "UKA00248", "region": "North West", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "MAN3", "uka_id": "UKA00248", "region": "North West", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "MAHG", "uka_id": "UKA00617", "region": "North West", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "MAHG", "uka_id": "UKA00617", "region": "North West", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "MAHG", "uka_id": "UKA00617", "region": "North West", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "MIMW", "uka_id": "UKA01051", "region": "North West", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "PRES", "uka_id": "UKA00408", "region": "North West", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "PRES", "uka_id": "UKA00408", "region": "North West", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "PRES", "uka_id": "UKA00408", "region": "North West", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "ROCB", "uka_id": "UKA01174", "region": "North West", "pollutant": "PM2.5", "active_start": "2026-07-06", "period_end": "2026-07-22", "expected_station_days": 17 }, { "station_code": "ROCB", "uka_id": "UKA01174", "region": "North West", "pollutant": "PM10", "active_start": "2026-07-06", "period_end": "2026-07-22", "expected_station_days": 17 }, { "station_code": "ECCL", "uka_id": "UKA00339", "region": "North West", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "ECCL", "uka_id": "UKA00339", "region": "North West", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "ECCL", "uka_id": "UKA00339", "region": "North West", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "CW", "uka_id": "UKA00579", "region": "North West", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SHLW", "uka_id": "UKA00627", "region": "North West", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SHLW", "uka_id": "UKA00627", "region": "North West", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "TAMM", "uka_id": "UKA01099", "region": "North West", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "WAR", "uka_id": "UKA00538", "region": "North West", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "WAR", "uka_id": "UKA00538", "region": "North West", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "WAR", "uka_id": "UKA00538", "region": "North West", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "WSMR", "uka_id": "UKA00603", "region": "North West", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "WIG5", "uka_id": "UKA00482", "region": "North West", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "WIG5", "uka_id": "UKA00482", "region": "North West", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "WIG5", "uka_id": "UKA00482", "region": "North West", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "TRAN", "uka_id": "UKA00406", "region": "North West", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "TRAN", "uka_id": "UKA00406", "region": "North West", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "TRAN", "uka_id": "UKA00406", "region": "North West", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BAR3", "uka_id": "UKA00353", "region": "Yorkshire and the Humber", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BAR3", "uka_id": "UKA00353", "region": "Yorkshire and the Humber", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BAR3", "uka_id": "UKA00353", "region": "Yorkshire and the Humber", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BDMA", "uka_id": "UKA00611", "region": "Yorkshire and the Humber", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BRAS", "uka_id": "UKA01090", "region": "Yorkshire and the Humber", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BRAS", "uka_id": "UKA01090", "region": "Yorkshire and the Humber", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BRWP", "uka_id": "UKA01161", "region": "Yorkshire and the Humber", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BRWP", "uka_id": "UKA01161", "region": "Yorkshire and the Humber", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "DYAG", "uka_id": "UKA00654", "region": "Yorkshire and the Humber", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "DYAG", "uka_id": "UKA00654", "region": "Yorkshire and the Humber", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "DYAG", "uka_id": "UKA00654", "region": "Yorkshire and the Humber", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "DCST", "uka_id": "UKA00612", "region": "Yorkshire and the Humber", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "DCST", "uka_id": "UKA00612", "region": "Yorkshire and the Humber", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "HARW", "uka_id": "UKA01093", "region": "Yorkshire and the Humber", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "HARW", "uka_id": "UKA01093", "region": "Yorkshire and the Humber", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "HUL2", "uka_id": "UKA00450", "region": "Yorkshire and the Humber", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "HUL2", "uka_id": "UKA00450", "region": "Yorkshire and the Humber", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "HUL2", "uka_id": "UKA00450", "region": "Yorkshire and the Humber", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "HULR", "uka_id": "UKA00600", "region": "Yorkshire and the Humber", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "HULR", "uka_id": "UKA00600", "region": "Yorkshire and the Humber", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "HULR", "uka_id": "UKA00600", "region": "Yorkshire and the Humber", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "IMGM", "uka_id": "UKA00647", "region": "Yorkshire and the Humber", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "IMGM", "uka_id": "UKA00647", "region": "Yorkshire and the Humber", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "IMGM", "uka_id": "UKA00647", "region": "Yorkshire and the Humber", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LEED", "uka_id": "UKA00222", "region": "Yorkshire and the Humber", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LEED", "uka_id": "UKA00222", "region": "Yorkshire and the Humber", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LEED", "uka_id": "UKA00222", "region": "Yorkshire and the Humber", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LED6", "uka_id": "UKA00527", "region": "Yorkshire and the Humber", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LED6", "uka_id": "UKA00527", "region": "Yorkshire and the Humber", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LED6", "uka_id": "UKA00527", "region": "Yorkshire and the Humber", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "ROED", "uka_id": "UKA01054", "region": "Yorkshire and the Humber", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "ROED", "uka_id": "UKA01054", "region": "Yorkshire and the Humber", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SCN2", "uka_id": "UKA00381", "region": "Yorkshire and the Humber", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SCN2", "uka_id": "UKA00381", "region": "Yorkshire and the Humber", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SCN2", "uka_id": "UKA00381", "region": "Yorkshire and the Humber", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SHBR", "uka_id": "UKA00622", "region": "Yorkshire and the Humber", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SHBR", "uka_id": "UKA00622", "region": "Yorkshire and the Humber", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SHDG", "uka_id": "UKA00575", "region": "Yorkshire and the Humber", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SHDG", "uka_id": "UKA00575", "region": "Yorkshire and the Humber", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SHDG", "uka_id": "UKA00575", "region": "Yorkshire and the Humber", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SHE", "uka_id": "UKA00181", "region": "Yorkshire and the Humber", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SHE", "uka_id": "UKA00181", "region": "Yorkshire and the Humber", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SHE", "uka_id": "UKA00181", "region": "Yorkshire and the Humber", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "WAKA", "uka_id": "UKA01107", "region": "Yorkshire and the Humber", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "WAKA", "uka_id": "UKA01107", "region": "Yorkshire and the Humber", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "YK10", "uka_id": "UKA00523", "region": "Yorkshire and the Humber", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "YK10", "uka_id": "UKA00523", "region": "Yorkshire and the Humber", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "YK10", "uka_id": "UKA00523", "region": "Yorkshire and the Humber", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "YK11", "uka_id": "UKA00524", "region": "Yorkshire and the Humber", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "YK11", "uka_id": "UKA00524", "region": "Yorkshire and the Humber", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "YK11", "uka_id": "UKA00524", "region": "Yorkshire and the Humber", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "CHLG", "uka_id": "UKA00604", "region": "East Midlands", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "CHLG", "uka_id": "UKA00604", "region": "East Midlands", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "CHLG", "uka_id": "UKA00604", "region": "East Midlands", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "CHS7", "uka_id": "UKA00529", "region": "East Midlands", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "CHS7", "uka_id": "UKA00529", "region": "East Midlands", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "CHS7", "uka_id": "UKA00529", "region": "East Midlands", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "DESA", "uka_id": "UKA00630", "region": "East Midlands", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "DESA", "uka_id": "UKA00630", "region": "East Midlands", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "DESB", "uka_id": "UKA01027", "region": "East Midlands", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "DESB", "uka_id": "UKA01027", "region": "East Midlands", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LEIR", "uka_id": "UKA00609", "region": "East Midlands", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LEIR", "uka_id": "UKA00609", "region": "East Midlands", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LEIR", "uka_id": "UKA00609", "region": "East Midlands", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LECU", "uka_id": "UKA00573", "region": "East Midlands", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LECU", "uka_id": "UKA00573", "region": "East Midlands", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LECU", "uka_id": "UKA00573", "region": "East Midlands", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LIN3", "uka_id": "UKA00561", "region": "East Midlands", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LOTA", "uka_id": "UKA01103", "region": "East Midlands", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LOTA", "uka_id": "UKA01103", "region": "East Midlands", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "MALA", "uka_id": "UKA01050", "region": "East Midlands", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "MALA", "uka_id": "UKA01050", "region": "East Midlands", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "NTN4", "uka_id": "UKA00632", "region": "East Midlands", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "NTN4", "uka_id": "UKA00632", "region": "East Midlands", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "NOTB", "uka_id": "UKA01092", "region": "East Midlands", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "NOTB", "uka_id": "UKA01092", "region": "East Midlands", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "NOTK", "uka_id": "UKA01048", "region": "East Midlands", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "NOTK", "uka_id": "UKA01048", "region": "East Midlands", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "NOTK", "uka_id": "UKA01048", "region": "East Midlands", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "NWBV", "uka_id": "UKA00618", "region": "East Midlands", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "NWBV", "uka_id": "UKA00618", "region": "East Midlands", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "NWBV", "uka_id": "UKA00618", "region": "East Midlands", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BEDC", "uka_id": "UKA01158", "region": "West Midlands", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BEDC", "uka_id": "UKA01158", "region": "West Midlands", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BIRR", "uka_id": "UKA00626", "region": "West Midlands", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BIRR", "uka_id": "UKA00626", "region": "West Midlands", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BIRR", "uka_id": "UKA00626", "region": "West Midlands", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BIHG", "uka_id": "UKA01062", "region": "West Midlands", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BIHG", "uka_id": "UKA01062", "region": "West Midlands", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BIHG", "uka_id": "UKA01062", "region": "West Midlands", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BMLD", "uka_id": "UKA00655", "region": "West Midlands", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BMLD", "uka_id": "UKA00655", "region": "West Midlands", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BMLD", "uka_id": "UKA00655", "region": "West Midlands", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BAQF", "uka_id": "UKA01108", "region": "West Midlands", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BAQF", "uka_id": "UKA01108", "region": "West Midlands", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BOTR", "uka_id": "UKA00652", "region": "West Midlands", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BOTR", "uka_id": "UKA00652", "region": "West Midlands", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BOTR", "uka_id": "UKA00652", "region": "West Midlands", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "CANK", "uka_id": "UKA00623", "region": "West Midlands", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "CANK", "uka_id": "UKA00623", "region": "West Midlands", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "COAL", "uka_id": "UKA00592", "region": "West Midlands", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "COAL", "uka_id": "UKA00592", "region": "West Midlands", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "COAL", "uka_id": "UKA00592", "region": "West Midlands", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "COBR", "uka_id": "UKA00634", "region": "West Midlands", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "COBR", "uka_id": "UKA00634", "region": "West Midlands", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "COBR", "uka_id": "UKA00634", "region": "West Midlands", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LEAM", "uka_id": "UKA00265", "region": "West Midlands", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LEAM", "uka_id": "UKA00265", "region": "West Midlands", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LEAM", "uka_id": "UKA00265", "region": "West Midlands", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LEAR", "uka_id": "UKA00564", "region": "West Midlands", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LEAR", "uka_id": "UKA00564", "region": "West Midlands", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LEAR", "uka_id": "UKA00564", "region": "West Midlands", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LEOM", "uka_id": "UKA00489", "region": "West Midlands", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BOLD", "uka_id": "UKA00595", "region": "West Midlands", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BOLD", "uka_id": "UKA00595", "region": "West Midlands", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BOLD", "uka_id": "UKA00595", "region": "West Midlands", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SHUN", "uka_id": "UKA01055", "region": "West Midlands", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SHUN", "uka_id": "UKA01055", "region": "West Midlands", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "STKR", "uka_id": "UKA00610", "region": "West Midlands", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "STKR", "uka_id": "UKA00610", "region": "West Midlands", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "STKR", "uka_id": "UKA00610", "region": "West Midlands", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "STOK", "uka_id": "UKA00337", "region": "West Midlands", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "STOK", "uka_id": "UKA00337", "region": "West Midlands", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "STOK", "uka_id": "UKA00337", "region": "West Midlands", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "TDHD", "uka_id": "UKA00648", "region": "West Midlands", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "TDHD", "uka_id": "UKA00648", "region": "West Midlands", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "TDHD", "uka_id": "UKA00648", "region": "West Midlands", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "WALD", "uka_id": "UKA01117", "region": "West Midlands", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "WALD", "uka_id": "UKA01117", "region": "West Midlands", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "WAL4", "uka_id": "UKA00565", "region": "West Midlands", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "WBKP", "uka_id": "UKA00658", "region": "West Midlands", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "WOLE", "uka_id": "UKA01162", "region": "West Midlands", "pollutant": "PM2.5", "active_start": "2026-06-26", "period_end": "2026-07-22", "expected_station_days": 27 }, { "station_code": "WOLE", "uka_id": "UKA01162", "region": "West Midlands", "pollutant": "PM10", "active_start": "2026-06-26", "period_end": "2026-07-22", "expected_station_days": 27 }, { "station_code": "WORT", "uka_id": "UKA01098", "region": "West Midlands", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "WORT", "uka_id": "UKA01098", "region": "West Midlands", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "CAMK", "uka_id": "UKA01115", "region": "East of England", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "CAMK", "uka_id": "UKA01115", "region": "East of England", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "CAM", "uka_id": "UKA00396", "region": "East of England", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LUTR", "uka_id": "UKA00605", "region": "East of England", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LUTR", "uka_id": "UKA00605", "region": "East of England", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "NO12", "uka_id": "UKA00549", "region": "East of England", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "NO12", "uka_id": "UKA00549", "region": "East of England", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "NO12", "uka_id": "UKA00549", "region": "East of England", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "PEGE", "uka_id": "UKA01052", "region": "East of England", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "PEGE", "uka_id": "UKA01052", "region": "East of England", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SOUS", "uka_id": "UKA01096", "region": "East of England", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SOUS", "uka_id": "UKA01096", "region": "East of England", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SEND", "uka_id": "UKA00409", "region": "East of England", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SEND", "uka_id": "UKA00409", "region": "East of England", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SEND", "uka_id": "UKA00409", "region": "East of England", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "STGW", "uka_id": "UKA01156", "region": "East of England", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LONC", "uka_id": "UKA01119", "region": "London", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LONC", "uka_id": "UKA01119", "region": "London", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "CLL2", "uka_id": "UKA00211", "region": "London", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "CLL2", "uka_id": "UKA00211", "region": "London", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "CLL2", "uka_id": "UKA00211", "region": "London", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "HRL", "uka_id": "UKA00472", "region": "London", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "HRL", "uka_id": "UKA00472", "region": "London", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "HRL", "uka_id": "UKA00472", "region": "London", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "HIL", "uka_id": "UKA00266", "region": "London", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "HIL", "uka_id": "UKA00266", "region": "London", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "HIL", "uka_id": "UKA00266", "region": "London", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LONM", "uka_id": "UKA01100", "region": "London", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "LONM", "uka_id": "UKA01100", "region": "London", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "TED2", "uka_id": "UKA00572", "region": "London", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "TED2", "uka_id": "UKA00572", "region": "London", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "HORS", "uka_id": "UKA00435", "region": "London", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "HORS", "uka_id": "UKA00435", "region": "London", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "AYLA", "uka_id": "UKA01109", "region": "South East", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BRT3", "uka_id": "UKA00483", "region": "South East", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BRT3", "uka_id": "UKA00483", "region": "South East", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BRT3", "uka_id": "UKA00483", "region": "South East", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "CHAT", "uka_id": "UKA00553", "region": "South East", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "CHAT", "uka_id": "UKA00553", "region": "South East", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "CHAT", "uka_id": "UKA00553", "region": "South East", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "EB", "uka_id": "UKA00546", "region": "South East", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "EB", "uka_id": "UKA00546", "region": "South East", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "EB", "uka_id": "UKA00546", "region": "South East", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "FARC", "uka_id": "UKA01097", "region": "South East", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "FARC", "uka_id": "UKA01097", "region": "South East", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "MAID", "uka_id": "UKA01064", "region": "South East", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "MAID", "uka_id": "UKA01064", "region": "South East", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "MKCC", "uka_id": "UKA00963", "region": "South East", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "MKCC", "uka_id": "UKA00963", "region": "South East", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "OX", "uka_id": "UKA00258", "region": "South East", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "OX8", "uka_id": "UKA00518", "region": "South East", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "OX8", "uka_id": "UKA00518", "region": "South East", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "OX8", "uka_id": "UKA00518", "region": "South East", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "PMTH", "uka_id": "UKA00421", "region": "South East", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "PMTH", "uka_id": "UKA00421", "region": "South East", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "PMTH", "uka_id": "UKA00421", "region": "South East", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "POAR", "uka_id": "UKA00651", "region": "South East", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "POAR", "uka_id": "UKA00651", "region": "South East", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "POAR", "uka_id": "UKA00651", "region": "South East", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "REA5", "uka_id": "UKA00620", "region": "South East", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "REA5", "uka_id": "UKA00620", "region": "South East", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "REA1", "uka_id": "UKA00462", "region": "South East", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "REA1", "uka_id": "UKA00462", "region": "South East", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "REA1", "uka_id": "UKA00462", "region": "South East", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "RRKL", "uka_id": "UKA01053", "region": "South East", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SLOW", "uka_id": "UKA01091", "region": "South East", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SLOW", "uka_id": "UKA01091", "region": "South East", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SA33", "uka_id": "UKA00613", "region": "South East", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SA33", "uka_id": "UKA00613", "region": "South East", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SA33", "uka_id": "UKA00613", "region": "South East", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SOUT", "uka_id": "UKA00235", "region": "South East", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SOUT", "uka_id": "UKA00235", "region": "South East", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SOUT", "uka_id": "UKA00235", "region": "South East", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "STOR", "uka_id": "UKA00548", "region": "South East", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "STOR", "uka_id": "UKA00548", "region": "South East", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "STOR", "uka_id": "UKA00548", "region": "South East", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "WTHG", "uka_id": "UKA00628", "region": "South East", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "WTHG", "uka_id": "UKA00628", "region": "South East", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "WOEA", "uka_id": "UKA01061", "region": "South East", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "WOEA", "uka_id": "UKA01061", "region": "South East", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BPLE", "uka_id": "UKA00574", "region": "South West", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BPLE", "uka_id": "UKA00574", "region": "South West", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BHA4", "uka_id": "UKA00660", "region": "South West", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BORN", "uka_id": "UKA00429", "region": "South West", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BORN", "uka_id": "UKA00429", "region": "South West", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BOBV", "uka_id": "UKA01160", "region": "South West", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BOBV", "uka_id": "UKA01160", "region": "South West", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BRIW", "uka_id": "UKA01120", "region": "South West", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BRSP", "uka_id": "UKA01116", "region": "South West", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BRSP", "uka_id": "UKA01116", "region": "South West", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BRS8", "uka_id": "UKA00494", "region": "South West", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BRS8", "uka_id": "UKA00494", "region": "South West", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BRS8", "uka_id": "UKA00494", "region": "South West", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BR11", "uka_id": "UKA00631", "region": "South West", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BR11", "uka_id": "UKA00631", "region": "South West", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "BR11", "uka_id": "UKA00631", "region": "South West", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "CHGR", "uka_id": "UKA01101", "region": "South West", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "CHBR", "uka_id": "UKA00624", "region": "South West", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "CHBR", "uka_id": "UKA00624", "region": "South West", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "EX", "uka_id": "UKA00263", "region": "South West", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "GLOT", "uka_id": "UKA01102", "region": "South West", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "GLOT", "uka_id": "UKA01102", "region": "South West", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "HONI", "uka_id": "UKA00566", "region": "South West", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "HONI", "uka_id": "UKA00566", "region": "South West", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "HONI", "uka_id": "UKA00566", "region": "South West", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "PLYM", "uka_id": "UKA00360", "region": "South West", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "PLYM", "uka_id": "UKA00360", "region": "South West", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "PLYM", "uka_id": "UKA00360", "region": "South West", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "PLYR", "uka_id": "UKA00629", "region": "South West", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SASH", "uka_id": "UKA00569", "region": "South West", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SASH", "uka_id": "UKA00569", "region": "South West", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SWHO", "uka_id": "UKA00650", "region": "South West", "pollutant": "PM2.5", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SWHO", "uka_id": "UKA00650", "region": "South West", "pollutant": "PM10", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 }, { "station_code": "SWHO", "uka_id": "UKA00650", "region": "South West", "pollutant": "NO2", "active_start": "2026-06-23", "period_end": "2026-07-22", "expected_station_days": 30 } ], "data_posture": "provisional and ratified official AURN automatic measurements, status 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