{"city":"Chengxian Chengguanzhen","country":"China","lat":33.74774932861328,"lon":105.73294067382812,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-06-07T15:00:00Z","aqi":18,"aqi_min":18,"aqi_max":18,"pm25":4.32,"pm10":null,"stations":1},{"datetime_utc":"2026-06-07T16:00:00Z","aqi":66,"aqi_min":42,"aqi_max":82,"pm25":19.03,"pm10":null,"stations":3},{"datetime_utc":"2026-06-07T17:00:00Z","aqi":52,"aqi_min":46,"aqi_max":55,"pm25":12.52,"pm10":null,"stations":2},{"datetime_utc":"2026-06-07T19:00:00Z","aqi":75,"aqi_min":65,"aqi_max":85,"pm25":23.51,"pm10":null,"stations":2},{"datetime_utc":"2026-06-07T21:00:00Z","aqi":23,"aqi_min":12,"aqi_max":34,"pm25":5.52,"pm10":null,"stations":2},{"datetime_utc":"2026-06-07T22:00:00Z","aqi":26,"aqi_min":18,"aqi_max":34,"pm25":6.24,"pm10":null,"stations":2},{"datetime_utc":"2026-06-07T23:00:00Z","aqi":72,"aqi_min":42,"aqi_max":97,"pm25":22.03,"pm10":null,"stations":2},{"datetime_utc":"2026-06-08T00:00:00Z","aqi":53,"aqi_min":53,"aqi_max":53,"pm25":13.05,"pm10":null,"stations":1},{"datetime_utc":"2026-06-08T01:00:00Z","aqi":50,"aqi_min":21,"aqi_max":63,"pm25":11.97,"pm10":null,"stations":3},{"datetime_utc":"2026-06-08T02:00:00Z","aqi":56,"aqi_min":43,"aqi_max":65,"pm25":14.36,"pm10":null,"stations":3},{"datetime_utc":"2026-06-08T03:00:00Z","aqi":50,"aqi_min":42,"aqi_max":55,"pm25":12.04,"pm10":null,"stations":2},{"datetime_utc":"2026-06-08T04:00:00Z","aqi":53,"aqi_min":22,"aqi_max":70,"pm25":13.21,"pm10":null,"stations":2},{"datetime_utc":"2026-06-08T05:00:00Z","aqi":44,"aqi_min":25,"aqi_max":57,"pm25":10.48,"pm10":null,"stations":2},{"datetime_utc":"2026-06-08T06:00:00Z","aqi":55,"aqi_min":55,"aqi_max":55,"pm25":14.0,"pm10":null,"stations":1},{"datetime_utc":"2026-06-08T07:00:00Z","aqi":39,"aqi_min":39,"aqi_max":39,"pm25":9.36,"pm10":null,"stations":1},{"datetime_utc":"2026-06-08T08:00:00Z","aqi":54,"aqi_min":24,"aqi_max":72,"pm25":13.63,"pm10":null,"stations":3},{"datetime_utc":"2026-06-08T09:00:00Z","aqi":53,"aqi_min":28,"aqi_max":68,"pm25":13.1,"pm10":null,"stations":4},{"datetime_utc":"2026-06-08T10:00:00Z","aqi":42,"aqi_min":37,"aqi_max":47,"pm25":10.08,"pm10":null,"stations":2},{"datetime_utc":"2026-06-08T11:00:00Z","aqi":74,"aqi_min":74,"aqi_max":74,"pm25":23.04,"pm10":null,"stations":1},{"datetime_utc":"2026-06-08T12:00:00Z","aqi":63,"aqi_min":63,"aqi_max":63,"pm25":17.81,"pm10":null,"stations":1},{"datetime_utc":"2026-06-08T13:00:00Z","aqi":43,"aqi_min":32,"aqi_max":53,"pm25":10.37,"pm10":null,"stations":2},{"datetime_utc":"2026-06-08T14:00:00Z","aqi":34,"aqi_min":34,"aqi_max":34,"pm25":8.16,"pm10":null,"stations":1},{"datetime_utc":"2026-06-08T15:00:00Z","aqi":38,"aqi_min":34,"aqi_max":42,"pm25":9.12,"pm10":null,"stations":2},{"datetime_utc":"2026-06-08T17:00:00Z","aqi":17,"aqi_min":17,"aqi_max":17,"pm25":4.08,"pm10":null,"stations":1},{"datetime_utc":"2026-06-08T18:00:00Z","aqi":30,"aqi_min":30,"aqi_max":30,"pm25":7.2,"pm10":null,"stations":1},{"datetime_utc":"2026-06-08T20:00:00Z","aqi":25,"aqi_min":25,"aqi_max":25,"pm25":6.0,"pm10":null,"stations":1},{"datetime_utc":"2026-06-08T21:00:00Z","aqi":24,"aqi_min":23,"aqi_max":25,"pm25":5.76,"pm10":null,"stations":2},{"datetime_utc":"2026-06-08T22:00:00Z","aqi":51,"aqi_min":35,"aqi_max":59,"pm25":12.15,"pm10":null,"stations":2},{"datetime_utc":"2026-06-09T00:00:00Z","aqi":35,"aqi_min":35,"aqi_max":35,"pm25":8.4,"pm10":null,"stations":1},{"datetime_utc":"2026-06-09T01:00:00Z","aqi":34,"aqi_min":34,"aqi_max":34,"pm25":8.16,"pm10":null,"stations":1},{"datetime_utc":"2026-06-09T02:00:00Z","aqi":47,"aqi_min":20,"aqi_max":63,"pm25":11.3,"pm10":null,"stations":2},{"datetime_utc":"2026-06-09T03:00:00Z","aqi":52,"aqi_min":33,"aqi_max":65,"pm25":12.57,"pm10":null,"stations":3},{"datetime_utc":"2026-06-09T04:00:00Z","aqi":34,"aqi_min":34,"aqi_max":34,"pm25":8.16,"pm10":null,"stations":1},{"datetime_utc":"2026-06-09T05:00:00Z","aqi":38,"aqi_min":26,"aqi_max":50,"pm25":9.12,"pm10":null,"stations":2},{"datetime_utc":"2026-06-09T06:00:00Z","aqi":55,"aqi_min":42,"aqi_max":70,"pm25":14.08,"pm10":null,"stations":3},{"datetime_utc":"2026-06-09T07:00:00Z","aqi":72,"aqi_min":72,"aqi_max":72,"pm25":22.09,"pm10":null,"stations":1},{"datetime_utc":"2026-06-09T08:00:00Z","aqi":45,"aqi_min":45,"aqi_max":45,"pm25":10.8,"pm10":null,"stations":1},{"datetime_utc":"2026-06-09T09:00:00Z","aqi":43,"aqi_min":43,"aqi_max":43,"pm25":10.32,"pm10":null,"stations":1},{"datetime_utc":"2026-06-09T10:00:00Z","aqi":43,"aqi_min":38,"aqi_max":48,"pm25":10.32,"pm10":null,"stations":2},{"datetime_utc":"2026-06-09T11:00:00Z","aqi":42,"aqi_min":42,"aqi_max":42,"pm25":10.08,"pm10":null,"stations":1},{"datetime_utc":"2026-06-09T12:00:00Z","aqi":65,"aqi_min":65,"aqi_max":65,"pm25":18.76,"pm10":null,"stations":1},{"datetime_utc":"2026-06-09T13:00:00Z","aqi":59,"aqi_min":59,"aqi_max":59,"pm25":15.9,"pm10":null,"stations":1}],"daily":[{"date":"2026-06-07","aqi_avg":47,"aqi_min":18,"aqi_max":75,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":13.3,"pm10_avg":null,"hours":7,"stations_avg":2},{"date":"2026-06-08","aqi_avg":45,"aqi_min":17,"aqi_max":74,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":11.4,"pm10_avg":null,"hours":21,"stations_avg":2},{"date":"2026-06-09","aqi_avg":47,"aqi_min":34,"aqi_max":72,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":12.1,"pm10_avg":null,"hours":14,"stations_avg":2}]}