{"schema_version":"1.0","methodology_version":"atmy-datahub-v3","city":{"slug":"czechia/hradec-kralove","name":{"en":"Hradec Králové","ru":"Градец-Кралове"},"country":{"en":"Czechia","ru":"Чехия"}},"timezone":"Europe/Prague","status":"current","generated_at":"2026-10-22T21:00:01.813Z","stale_after_minutes":45,"refresh_minutes":15,"max_observation_age_minutes":60,"observation_window":{"start":"2026-10-22T20:47:26.000Z","end":"2026-10-22T20:57:02.000Z"},"measurements":{"pm25":{"value":7.4,"median":5.9,"min":3.53,"max":18.1,"unit":"ug/m3","aggregation":"mean_of_latest_per_sensor","category":{"scale":"US_EPA_2024","level":"good","approximate":true}}},"coverage":{"eligible_sensors":6,"excluded_test_sensors":0,"excluded_quality_check":0,"min_places":4,"networks":{"Sensor.Community":5,"AirGradient":1}},"sensors":[{"name":"SC #100487","network":"Sensor.Community","pm25":18.1,"observed_at":"2026-10-22T20:53:15.000Z","coordinates":[15.354,50.424]},{"name":"Kukleny","network":"AirGradient","pm25":7.3,"observed_at":"2026-10-22T20:47:26.000Z","coordinates":[15.796447572217,50.205062538518]},{"name":"SC #73107","network":"Sensor.Community","pm25":5.95,"observed_at":"2026-10-22T20:57:02.000Z","coordinates":[15.588,50.476]},{"name":"SC #77798","network":"Sensor.Community","pm25":5.88,"observed_at":"2026-10-22T20:56:41.000Z","coordinates":[15.352,50.426]},{"name":"SC #77278","network":"Sensor.Community","pm25":3.88,"observed_at":"2026-10-22T20:56:45.000Z","coordinates":[15.378,50.436]},{"name":"SC #90876","network":"Sensor.Community","pm25":3.53,"observed_at":"2026-10-22T20:56:02.000Z","coordinates":[16.14914864302,50.44434074307]}],"source":{"name":"Atmy","page":"https://atmy.ai/air-quality/czechia/hradec-kralove/","page_ru":"https://atmy.ai/ru/air-quality/czechia/hradec-kralove/","methodology":"https://atmy.ai/air-quality/methodology/","license":"https://atmy.ai/legal/data/"}}