{"city":"Caojie","country":"China","lat":29.997549057006836,"lon":106.39018249511719,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-06-07T18:00:00Z","aqi":66,"aqi_min":20,"aqi_max":119,"pm25":19.16,"pm10":null,"stations":9},{"datetime_utc":"2026-06-07T19:00:00Z","aqi":42,"aqi_min":13,"aqi_max":70,"pm25":9.97,"pm10":null,"stations":21},{"datetime_utc":"2026-06-07T20:00:00Z","aqi":38,"aqi_min":21,"aqi_max":74,"pm25":9.11,"pm10":null,"stations":13},{"datetime_utc":"2026-06-07T21:00:00Z","aqi":40,"aqi_min":19,"aqi_max":72,"pm25":9.66,"pm10":null,"stations":8},{"datetime_utc":"2026-06-07T22:00:00Z","aqi":37,"aqi_min":19,"aqi_max":56,"pm25":8.79,"pm10":null,"stations":9},{"datetime_utc":"2026-06-07T23:00:00Z","aqi":47,"aqi_min":20,"aqi_max":99,"pm25":11.3,"pm10":null,"stations":8},{"datetime_utc":"2026-06-08T00:00:00Z","aqi":59,"aqi_min":16,"aqi_max":107,"pm25":15.77,"pm10":null,"stations":11},{"datetime_utc":"2026-06-08T01:00:00Z","aqi":55,"aqi_min":21,"aqi_max":93,"pm25":13.9,"pm10":null,"stations":16},{"datetime_utc":"2026-06-08T02:00:00Z","aqi":50,"aqi_min":21,"aqi_max":97,"pm25":12.01,"pm10":null,"stations":14},{"datetime_utc":"2026-06-08T03:00:00Z","aqi":30,"aqi_min":29,"aqi_max":32,"pm25":7.3,"pm10":null,"stations":5},{"datetime_utc":"2026-06-08T04:00:00Z","aqi":38,"aqi_min":19,"aqi_max":76,"pm25":9.25,"pm10":null,"stations":10},{"datetime_utc":"2026-06-08T05:00:00Z","aqi":43,"aqi_min":15,"aqi_max":80,"pm25":10.33,"pm10":null,"stations":20},{"datetime_utc":"2026-06-08T06:00:00Z","aqi":41,"aqi_min":17,"aqi_max":61,"pm25":9.8,"pm10":null,"stations":19},{"datetime_utc":"2026-06-08T07:00:00Z","aqi":54,"aqi_min":22,"aqi_max":158,"pm25":13.6,"pm10":null,"stations":16},{"datetime_utc":"2026-06-08T08:00:00Z","aqi":45,"aqi_min":28,"aqi_max":63,"pm25":10.87,"pm10":null,"stations":9},{"datetime_utc":"2026-06-08T09:00:00Z","aqi":42,"aqi_min":18,"aqi_max":69,"pm25":10.16,"pm10":null,"stations":9},{"datetime_utc":"2026-06-08T10:00:00Z","aqi":40,"aqi_min":13,"aqi_max":63,"pm25":9.73,"pm10":null,"stations":14},{"datetime_utc":"2026-06-08T11:00:00Z","aqi":30,"aqi_min":13,"aqi_max":46,"pm25":7.15,"pm10":null,"stations":5},{"datetime_utc":"2026-06-08T12:00:00Z","aqi":40,"aqi_min":23,"aqi_max":78,"pm25":9.73,"pm10":null,"stations":9},{"datetime_utc":"2026-06-08T13:00:00Z","aqi":61,"aqi_min":35,"aqi_max":93,"pm25":16.68,"pm10":null,"stations":9},{"datetime_utc":"2026-06-08T14:00:00Z","aqi":32,"aqi_min":12,"aqi_max":57,"pm25":7.79,"pm10":null,"stations":16},{"datetime_utc":"2026-06-08T15:00:00Z","aqi":43,"aqi_min":17,"aqi_max":74,"pm25":10.38,"pm10":null,"stations":10},{"datetime_utc":"2026-06-08T16:00:00Z","aqi":35,"aqi_min":17,"aqi_max":57,"pm25":8.45,"pm10":null,"stations":6},{"datetime_utc":"2026-06-08T17:00:00Z","aqi":32,"aqi_min":17,"aqi_max":53,"pm25":7.69,"pm10":null,"stations":16},{"datetime_utc":"2026-06-08T18:00:00Z","aqi":44,"aqi_min":10,"aqi_max":89,"pm25":10.47,"pm10":null,"stations":18},{"datetime_utc":"2026-06-08T19:00:00Z","aqi":28,"aqi_min":14,"aqi_max":63,"pm25":6.71,"pm10":null,"stations":17},{"datetime_utc":"2026-06-08T20:00:00Z","aqi":42,"aqi_min":15,"aqi_max":89,"pm25":10.23,"pm10":null,"stations":17},{"datetime_utc":"2026-06-08T21:00:00Z","aqi":34,"aqi_min":15,"aqi_max":61,"pm25":8.17,"pm10":null,"stations":12},{"datetime_utc":"2026-06-08T22:00:00Z","aqi":62,"aqi_min":17,"aqi_max":157,"pm25":17.17,"pm10":null,"stations":13},{"datetime_utc":"2026-06-08T23:00:00Z","aqi":41,"aqi_min":14,"aqi_max":80,"pm25":9.88,"pm10":null,"stations":14},{"datetime_utc":"2026-06-09T00:00:00Z","aqi":57,"aqi_min":12,"aqi_max":112,"pm25":14.89,"pm10":null,"stations":21},{"datetime_utc":"2026-06-09T01:00:00Z","aqi":36,"aqi_min":13,"aqi_max":93,"pm25":8.7,"pm10":null,"stations":20},{"datetime_utc":"2026-06-09T02:00:00Z","aqi":38,"aqi_min":13,"aqi_max":68,"pm25":9.2,"pm10":null,"stations":12},{"datetime_utc":"2026-06-09T03:00:00Z","aqi":49,"aqi_min":13,"aqi_max":95,"pm25":11.8,"pm10":null,"stations":14},{"datetime_utc":"2026-06-09T04:00:00Z","aqi":56,"aqi_min":15,"aqi_max":91,"pm25":14.74,"pm10":null,"stations":15},{"datetime_utc":"2026-06-09T05:00:00Z","aqi":51,"aqi_min":17,"aqi_max":65,"pm25":12.12,"pm10":null,"stations":8},{"datetime_utc":"2026-06-09T06:00:00Z","aqi":44,"aqi_min":7,"aqi_max":89,"pm25":10.56,"pm10":null,"stations":13},{"datetime_utc":"2026-06-09T07:00:00Z","aqi":42,"aqi_min":16,"aqi_max":57,"pm25":10.17,"pm10":null,"stations":7},{"datetime_utc":"2026-06-09T08:00:00Z","aqi":44,"aqi_min":11,"aqi_max":88,"pm25":10.63,"pm10":null,"stations":11},{"datetime_utc":"2026-06-09T09:00:00Z","aqi":55,"aqi_min":19,"aqi_max":94,"pm25":13.97,"pm10":null,"stations":9},{"datetime_utc":"2026-06-09T10:00:00Z","aqi":38,"aqi_min":24,"aqi_max":52,"pm25":9.14,"pm10":null,"stations":6},{"datetime_utc":"2026-06-09T11:00:00Z","aqi":47,"aqi_min":15,"aqi_max":83,"pm25":11.27,"pm10":null,"stations":15},{"datetime_utc":"2026-06-09T12:00:00Z","aqi":53,"aqi_min":20,"aqi_max":85,"pm25":13.06,"pm10":null,"stations":12},{"datetime_utc":"2026-06-09T13:00:00Z","aqi":56,"aqi_min":41,"aqi_max":65,"pm25":14.5,"pm10":null,"stations":8},{"datetime_utc":"2026-06-09T14:00:00Z","aqi":65,"aqi_min":50,"aqi_max":85,"pm25":18.83,"pm10":null,"stations":5},{"datetime_utc":"2026-06-09T15:00:00Z","aqi":63,"aqi_min":22,"aqi_max":89,"pm25":17.63,"pm10":null,"stations":13},{"datetime_utc":"2026-06-09T16:00:00Z","aqi":65,"aqi_min":23,"aqi_max":107,"pm25":18.93,"pm10":null,"stations":11}],"daily":[{"date":"2026-06-07","aqi_avg":45,"aqi_min":37,"aqi_max":66,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":11.3,"pm10_avg":null,"hours":6,"stations_avg":11},{"date":"2026-06-08","aqi_avg":43,"aqi_min":28,"aqi_max":62,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":10.6,"pm10_avg":null,"hours":24,"stations_avg":13},{"date":"2026-06-09","aqi_avg":51,"aqi_min":36,"aqi_max":65,"aqi_color":"#d97706","aqi_label":"Moderate","pm25_avg":12.9,"pm10_avg":null,"hours":17,"stations_avg":12}]}