{"schema_version":"1.0","methodology_version":"atmy-datahub-v3","city":{"slug":"germany/siegen","name":{"en":"Siegen","ru":"Зиген"},"country":{"en":"Germany","ru":"Германия"}},"timezone":"Europe/Berlin","status":"current","generated_at":"2026-10-22T19:30:01.337Z","stale_after_minutes":45,"refresh_minutes":15,"max_observation_age_minutes":60,"observation_window":{"start":"2026-10-22T19:23:23.000Z","end":"2026-10-22T19:27:08.000Z"},"measurements":{"pm25":{"value":2,"median":1.7,"min":0.68,"max":5.93,"unit":"ug/m3","aggregation":"mean_of_latest_per_sensor","category":{"scale":"US_EPA_2024","level":"good","approximate":true}}},"coverage":{"eligible_sensors":26,"excluded_test_sensors":0,"excluded_quality_check":2,"min_places":4,"networks":{"Sensor.Community":26}},"sensors":[{"name":"SC #9789","network":"Sensor.Community","pm25":5.93,"observed_at":"2026-10-22T19:26:38.000Z","coordinates":[8.098,50.852]},{"name":"SC #81996","network":"Sensor.Community","pm25":3.6,"observed_at":"2026-10-22T19:26:52.000Z","coordinates":[8.77522587787,50.80697185504]},{"name":"SC #97671","network":"Sensor.Community","pm25":3.5,"observed_at":"2026-10-22T19:25:35.000Z","coordinates":[8.414,50.734]},{"name":"SC #37339","network":"Sensor.Community","pm25":3.24,"observed_at":"2026-10-22T19:25:45.000Z","coordinates":[7.61,51.006]},{"name":"SC #77876","network":"Sensor.Community","pm25":3,"observed_at":"2026-10-22T19:25:34.000Z","coordinates":[7.978,50.844]},{"name":"SC #19664","network":"Sensor.Community","pm25":2.83,"observed_at":"2026-10-22T19:25:07.000Z","coordinates":[7.772,51.02]},{"name":"SC #17812","network":"Sensor.Community","pm25":2.38,"observed_at":"2026-10-22T19:24:52.000Z","coordinates":[8.32,50.792]},{"name":"SC #5555","network":"Sensor.Community","pm25":2.24,"observed_at":"2026-10-22T19:25:32.000Z","coordinates":[7.856,50.972]},{"name":"SC #2386","network":"Sensor.Community","pm25":1.97,"observed_at":"2026-10-22T19:26:15.000Z","coordinates":[8.768,50.772]},{"name":"SC #16246","network":"Sensor.Community","pm25":1.96,"observed_at":"2026-10-22T19:24:58.000Z","coordinates":[7.944,50.866]},{"name":"SC #78484","network":"Sensor.Community","pm25":1.94,"observed_at":"2026-10-22T19:25:13.000Z","coordinates":[8.776,50.806]},{"name":"SC #92475","network":"Sensor.Community","pm25":1.74,"observed_at":"2026-10-22T19:26:00.000Z","coordinates":[8.522,50.586]},{"name":"SC #93567","network":"Sensor.Community","pm25":1.73,"observed_at":"2026-10-22T19:23:23.000Z","coordinates":[7.584,50.912]},{"name":"SC #85980","network":"Sensor.Community","pm25":1.72,"observed_at":"2026-10-22T19:26:49.000Z","coordinates":[8.258,50.982]},{"name":"SC #89561","network":"Sensor.Community","pm25":1.6600001,"observed_at":"2026-10-22T19:26:52.000Z","coordinates":[7.9030752182,50.9636158852]},{"name":"SC #66012","network":"Sensor.Community","pm25":1.6,"observed_at":"2026-10-22T19:25:08.000Z","coordinates":[8.19,50.502]},{"name":"SC #96567","network":"Sensor.Community","pm25":1.5799999,"observed_at":"2026-10-22T19:25:01.000Z","coordinates":[8.3186253,50.6906071]},{"name":"SC #95419","network":"Sensor.Community","pm25":1.4,"observed_at":"2026-10-22T19:26:00.000Z","coordinates":[7.708,50.682]},{"name":"SC #5805","network":"Sensor.Community","pm25":1.25,"observed_at":"2026-10-22T19:26:29.000Z","coordinates":[8.342,50.81]},{"name":"SC #55031","network":"Sensor.Community","pm25":1.13,"observed_at":"2026-10-22T19:27:08.000Z","coordinates":[7.95,51.076]},{"name":"SC #62395","network":"Sensor.Community","pm25":1.06,"observed_at":"2026-10-22T19:26:45.000Z","coordinates":[8.36279243231,50.68721490762]},{"name":"SC #28353","network":"Sensor.Community","pm25":1.06,"observed_at":"2026-10-22T19:26:40.000Z","coordinates":[8.036,50.878]},{"name":"SC #86298","network":"Sensor.Community","pm25":1,"observed_at":"2026-10-22T19:27:06.000Z","coordinates":[8.312,50.53]},{"name":"SC #21806","network":"Sensor.Community","pm25":0.95,"observed_at":"2026-10-22T19:24:58.000Z","coordinates":[7.84,50.786]},{"name":"SC #3795","network":"Sensor.Community","pm25":0.94,"observed_at":"2026-10-22T19:25:32.000Z","coordinates":[7.834,50.66]},{"name":"SC #47457","network":"Sensor.Community","pm25":0.68,"observed_at":"2026-10-22T19:24:49.000Z","coordinates":[8.5981231,50.6971413]}],"source":{"name":"Atmy","page":"https://atmy.ai/air-quality/germany/siegen/","page_ru":"https://atmy.ai/ru/air-quality/germany/siegen/","methodology":"https://atmy.ai/air-quality/methodology/","license":"https://atmy.ai/legal/data/"}}