{"city":"Tongjing","country":"China","lat":29.856529235839844,"lon":106.84480285644531,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-05-28T00:00:00Z","aqi":71,"aqi_min":17,"aqi_max":124,"pm25":21.51,"pm10":null,"stations":4},{"datetime_utc":"2026-05-28T01:00:00Z","aqi":53,"aqi_min":28,"aqi_max":63,"pm25":12.88,"pm10":null,"stations":5},{"datetime_utc":"2026-05-28T02:00:00Z","aqi":57,"aqi_min":41,"aqi_max":87,"pm25":15.14,"pm10":null,"stations":5},{"datetime_utc":"2026-05-28T03:00:00Z","aqi":58,"aqi_min":39,"aqi_max":85,"pm25":15.23,"pm10":null,"stations":7},{"datetime_utc":"2026-05-28T04:00:00Z","aqi":52,"aqi_min":34,"aqi_max":70,"pm25":12.78,"pm10":null,"stations":7},{"datetime_utc":"2026-05-28T05:00:00Z","aqi":57,"aqi_min":20,"aqi_max":104,"pm25":14.84,"pm10":null,"stations":9},{"datetime_utc":"2026-05-28T06:00:00Z","aqi":60,"aqi_min":53,"aqi_max":68,"pm25":16.5,"pm10":null,"stations":4},{"datetime_utc":"2026-05-28T07:00:00Z","aqi":62,"aqi_min":25,"aqi_max":74,"pm25":17.35,"pm10":null,"stations":4},{"datetime_utc":"2026-05-28T08:00:00Z","aqi":53,"aqi_min":17,"aqi_max":63,"pm25":12.91,"pm10":null,"stations":3},{"datetime_utc":"2026-05-28T09:00:00Z","aqi":55,"aqi_min":32,"aqi_max":65,"pm25":14.1,"pm10":null,"stations":5},{"datetime_utc":"2026-05-28T10:00:00Z","aqi":42,"aqi_min":6,"aqi_max":72,"pm25":9.98,"pm10":null,"stations":6},{"datetime_utc":"2026-05-28T11:00:00Z","aqi":58,"aqi_min":38,"aqi_max":68,"pm25":15.47,"pm10":null,"stations":6},{"datetime_utc":"2026-05-28T12:00:00Z","aqi":66,"aqi_min":39,"aqi_max":85,"pm25":18.97,"pm10":null,"stations":9},{"datetime_utc":"2026-05-28T13:00:00Z","aqi":47,"aqi_min":17,"aqi_max":54,"pm25":11.16,"pm10":null,"stations":6},{"datetime_utc":"2026-05-28T14:00:00Z","aqi":73,"aqi_min":46,"aqi_max":87,"pm25":22.44,"pm10":null,"stations":5},{"datetime_utc":"2026-05-28T15:00:00Z","aqi":56,"aqi_min":5,"aqi_max":104,"pm25":14.62,"pm10":null,"stations":6},{"datetime_utc":"2026-05-28T16:00:00Z","aqi":64,"aqi_min":13,"aqi_max":102,"pm25":18.08,"pm10":null,"stations":5},{"datetime_utc":"2026-05-28T17:00:00Z","aqi":78,"aqi_min":51,"aqi_max":149,"pm25":24.96,"pm10":null,"stations":4},{"datetime_utc":"2026-05-28T18:00:00Z","aqi":60,"aqi_min":11,"aqi_max":129,"pm25":16.63,"pm10":null,"stations":7},{"datetime_utc":"2026-05-28T19:00:00Z","aqi":83,"aqi_min":24,"aqi_max":102,"pm25":27.4,"pm10":null,"stations":4},{"datetime_utc":"2026-05-28T20:00:00Z","aqi":91,"aqi_min":11,"aqi_max":183,"pm25":31.19,"pm10":null,"stations":8},{"datetime_utc":"2026-05-28T21:00:00Z","aqi":58,"aqi_min":23,"aqi_max":85,"pm25":15.52,"pm10":null,"stations":7},{"datetime_utc":"2026-05-28T22:00:00Z","aqi":44,"aqi_min":30,"aqi_max":50,"pm25":10.63,"pm10":null,"stations":7},{"datetime_utc":"2026-05-28T23:00:00Z","aqi":59,"aqi_min":25,"aqi_max":132,"pm25":16.04,"pm10":null,"stations":6},{"datetime_utc":"2026-05-29T00:00:00Z","aqi":55,"aqi_min":26,"aqi_max":70,"pm25":14.19,"pm10":null,"stations":6},{"datetime_utc":"2026-05-29T01:00:00Z","aqi":23,"aqi_min":13,"aqi_max":33,"pm25":5.52,"pm10":null,"stations":2},{"datetime_utc":"2026-05-29T02:00:00Z","aqi":43,"aqi_min":29,"aqi_max":53,"pm25":10.35,"pm10":null,"stations":3},{"datetime_utc":"2026-05-29T03:00:00Z","aqi":35,"aqi_min":13,"aqi_max":57,"pm25":8.54,"pm10":null,"stations":4},{"datetime_utc":"2026-05-29T04:00:00Z","aqi":53,"aqi_min":35,"aqi_max":74,"pm25":13.05,"pm10":null,"stations":6},{"datetime_utc":"2026-05-29T05:00:00Z","aqi":63,"aqi_min":34,"aqi_max":114,"pm25":17.74,"pm10":null,"stations":9},{"datetime_utc":"2026-05-29T06:00:00Z","aqi":68,"aqi_min":15,"aqi_max":122,"pm25":20.43,"pm10":null,"stations":5},{"datetime_utc":"2026-05-29T07:00:00Z","aqi":63,"aqi_min":29,"aqi_max":77,"pm25":17.98,"pm10":null,"stations":6},{"datetime_utc":"2026-05-29T08:00:00Z","aqi":83,"aqi_min":63,"aqi_max":112,"pm25":27.1,"pm10":null,"stations":3},{"datetime_utc":"2026-05-29T09:00:00Z","aqi":65,"aqi_min":41,"aqi_max":109,"pm25":18.56,"pm10":null,"stations":6},{"datetime_utc":"2026-05-29T10:00:00Z","aqi":57,"aqi_min":18,"aqi_max":83,"pm25":14.93,"pm10":null,"stations":7},{"datetime_utc":"2026-05-29T11:00:00Z","aqi":52,"aqi_min":44,"aqi_max":61,"pm25":12.82,"pm10":null,"stations":3},{"datetime_utc":"2026-05-29T12:00:00Z","aqi":63,"aqi_min":18,"aqi_max":93,"pm25":17.82,"pm10":null,"stations":7},{"datetime_utc":"2026-05-29T13:00:00Z","aqi":62,"aqi_min":14,"aqi_max":99,"pm25":17.49,"pm10":null,"stations":7},{"datetime_utc":"2026-05-29T14:00:00Z","aqi":57,"aqi_min":13,"aqi_max":85,"pm25":14.85,"pm10":null,"stations":8},{"datetime_utc":"2026-05-29T15:00:00Z","aqi":45,"aqi_min":34,"aqi_max":55,"pm25":10.89,"pm10":null,"stations":7},{"datetime_utc":"2026-05-29T16:00:00Z","aqi":60,"aqi_min":26,"aqi_max":85,"pm25":16.15,"pm10":null,"stations":6},{"datetime_utc":"2026-05-29T17:00:00Z","aqi":74,"aqi_min":24,"aqi_max":152,"pm25":23.14,"pm10":null,"stations":9},{"datetime_utc":"2026-05-29T18:00:00Z","aqi":65,"aqi_min":28,"aqi_max":152,"pm25":18.89,"pm10":null,"stations":7},{"datetime_utc":"2026-05-29T19:00:00Z","aqi":52,"aqi_min":34,"aqi_max":61,"pm25":12.51,"pm10":null,"stations":2},{"datetime_utc":"2026-05-29T20:00:00Z","aqi":59,"aqi_min":17,"aqi_max":89,"pm25":15.82,"pm10":null,"stations":5},{"datetime_utc":"2026-05-29T21:00:00Z","aqi":75,"aqi_min":25,"aqi_max":160,"pm25":23.57,"pm10":null,"stations":5},{"datetime_utc":"2026-05-29T22:00:00Z","aqi":41,"aqi_min":20,"aqi_max":59,"pm25":9.83,"pm10":null,"stations":7}],"daily":[{"date":"2026-05-28","aqi_avg":61,"aqi_min":42,"aqi_max":91,"aqi_color":"#d97706","aqi_label":"Moderate","pm25_avg":16.9,"pm10_avg":null,"hours":24,"stations_avg":6},{"date":"2026-05-29","aqi_avg":57,"aqi_min":23,"aqi_max":83,"aqi_color":"#d97706","aqi_label":"Moderate","pm25_avg":15.7,"pm10_avg":null,"hours":23,"stations_avg":6}]}