{"city":"Zhengji","country":"China","lat":34.43722152709961,"lon":117.03888702392578,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-05-28T04:00:00Z","aqi":53,"aqi_min":11,"aqi_max":76,"pm25":13.11,"pm10":null,"stations":7},{"datetime_utc":"2026-05-28T05:00:00Z","aqi":71,"aqi_min":54,"aqi_max":104,"pm25":21.59,"pm10":null,"stations":6},{"datetime_utc":"2026-05-28T06:00:00Z","aqi":62,"aqi_min":46,"aqi_max":85,"pm25":17.06,"pm10":null,"stations":7},{"datetime_utc":"2026-05-28T07:00:00Z","aqi":71,"aqi_min":48,"aqi_max":97,"pm25":21.82,"pm10":null,"stations":11},{"datetime_utc":"2026-05-28T08:00:00Z","aqi":59,"aqi_min":48,"aqi_max":76,"pm25":15.75,"pm10":null,"stations":7},{"datetime_utc":"2026-05-28T09:00:00Z","aqi":65,"aqi_min":38,"aqi_max":85,"pm25":18.8,"pm10":null,"stations":9},{"datetime_utc":"2026-05-28T10:00:00Z","aqi":70,"aqi_min":36,"aqi_max":82,"pm25":21.03,"pm10":null,"stations":6},{"datetime_utc":"2026-05-28T11:00:00Z","aqi":62,"aqi_min":41,"aqi_max":72,"pm25":17.24,"pm10":null,"stations":4},{"datetime_utc":"2026-05-28T12:00:00Z","aqi":52,"aqi_min":43,"aqi_max":57,"pm25":12.44,"pm10":null,"stations":5},{"datetime_utc":"2026-05-28T13:00:00Z","aqi":60,"aqi_min":34,"aqi_max":80,"pm25":16.54,"pm10":null,"stations":6},{"datetime_utc":"2026-05-28T14:00:00Z","aqi":47,"aqi_min":38,"aqi_max":61,"pm25":11.19,"pm10":null,"stations":7},{"datetime_utc":"2026-05-28T15:00:00Z","aqi":60,"aqi_min":38,"aqi_max":109,"pm25":16.16,"pm10":null,"stations":10},{"datetime_utc":"2026-05-28T16:00:00Z","aqi":54,"aqi_min":34,"aqi_max":63,"pm25":13.72,"pm10":null,"stations":6},{"datetime_utc":"2026-05-28T17:00:00Z","aqi":60,"aqi_min":35,"aqi_max":70,"pm25":16.41,"pm10":null,"stations":4},{"datetime_utc":"2026-05-28T18:00:00Z","aqi":83,"aqi_min":21,"aqi_max":127,"pm25":27.35,"pm10":null,"stations":9},{"datetime_utc":"2026-05-28T19:00:00Z","aqi":65,"aqi_min":57,"aqi_max":93,"pm25":18.92,"pm10":null,"stations":9},{"datetime_utc":"2026-05-28T20:00:00Z","aqi":66,"aqi_min":55,"aqi_max":82,"pm25":19.3,"pm10":null,"stations":7},{"datetime_utc":"2026-05-28T21:00:00Z","aqi":64,"aqi_min":21,"aqi_max":97,"pm25":18.43,"pm10":null,"stations":9},{"datetime_utc":"2026-05-28T22:00:00Z","aqi":79,"aqi_min":55,"aqi_max":152,"pm25":25.26,"pm10":null,"stations":5},{"datetime_utc":"2026-05-28T23:00:00Z","aqi":55,"aqi_min":36,"aqi_max":82,"pm25":14.08,"pm10":null,"stations":7},{"datetime_utc":"2026-05-29T00:00:00Z","aqi":59,"aqi_min":25,"aqi_max":87,"pm25":15.7,"pm10":null,"stations":10},{"datetime_utc":"2026-05-29T01:00:00Z","aqi":75,"aqi_min":35,"aqi_max":137,"pm25":23.32,"pm10":null,"stations":7},{"datetime_utc":"2026-05-29T02:00:00Z","aqi":75,"aqi_min":53,"aqi_max":151,"pm25":23.29,"pm10":null,"stations":8},{"datetime_utc":"2026-05-29T03:00:00Z","aqi":154,"aqi_min":39,"aqi_max":411,"pm25":62.18,"pm10":null,"stations":8},{"datetime_utc":"2026-05-29T04:00:00Z","aqi":66,"aqi_min":34,"aqi_max":93,"pm25":19.02,"pm10":null,"stations":8},{"datetime_utc":"2026-05-29T05:00:00Z","aqi":66,"aqi_min":46,"aqi_max":82,"pm25":18.98,"pm10":null,"stations":6},{"datetime_utc":"2026-05-29T06:00:00Z","aqi":75,"aqi_min":46,"aqi_max":97,"pm25":23.26,"pm10":null,"stations":8},{"datetime_utc":"2026-05-29T07:00:00Z","aqi":66,"aqi_min":20,"aqi_max":109,"pm25":19.43,"pm10":null,"stations":4},{"datetime_utc":"2026-05-29T08:00:00Z","aqi":54,"aqi_min":45,"aqi_max":66,"pm25":13.27,"pm10":null,"stations":4},{"datetime_utc":"2026-05-29T09:00:00Z","aqi":72,"aqi_min":43,"aqi_max":109,"pm25":22.11,"pm10":null,"stations":7},{"datetime_utc":"2026-05-29T10:00:00Z","aqi":67,"aqi_min":42,"aqi_max":85,"pm25":19.57,"pm10":null,"stations":8},{"datetime_utc":"2026-05-29T11:00:00Z","aqi":62,"aqi_min":46,"aqi_max":80,"pm25":17.4,"pm10":null,"stations":5},{"datetime_utc":"2026-05-29T12:00:00Z","aqi":54,"aqi_min":40,"aqi_max":76,"pm25":13.61,"pm10":null,"stations":6},{"datetime_utc":"2026-05-29T13:00:00Z","aqi":58,"aqi_min":46,"aqi_max":68,"pm25":15.17,"pm10":null,"stations":6},{"datetime_utc":"2026-05-29T14:00:00Z","aqi":64,"aqi_min":53,"aqi_max":76,"pm25":18.1,"pm10":null,"stations":8},{"datetime_utc":"2026-05-29T15:00:00Z","aqi":68,"aqi_min":42,"aqi_max":93,"pm25":20.39,"pm10":null,"stations":8},{"datetime_utc":"2026-05-29T16:00:00Z","aqi":66,"aqi_min":53,"aqi_max":80,"pm25":19.39,"pm10":null,"stations":9},{"datetime_utc":"2026-05-29T17:00:00Z","aqi":81,"aqi_min":39,"aqi_max":124,"pm25":26.15,"pm10":null,"stations":7},{"datetime_utc":"2026-05-29T18:00:00Z","aqi":80,"aqi_min":55,"aqi_max":142,"pm25":25.67,"pm10":null,"stations":6},{"datetime_utc":"2026-05-29T19:00:00Z","aqi":61,"aqi_min":20,"aqi_max":107,"pm25":16.84,"pm10":null,"stations":7},{"datetime_utc":"2026-05-29T20:00:00Z","aqi":89,"aqi_min":59,"aqi_max":139,"pm25":30.35,"pm10":null,"stations":8},{"datetime_utc":"2026-05-29T21:00:00Z","aqi":68,"aqi_min":20,"aqi_max":144,"pm25":20.24,"pm10":null,"stations":8},{"datetime_utc":"2026-05-29T22:00:00Z","aqi":65,"aqi_min":29,"aqi_max":82,"pm25":18.69,"pm10":null,"stations":6},{"datetime_utc":"2026-05-29T23:00:00Z","aqi":83,"aqi_min":61,"aqi_max":129,"pm25":27.33,"pm10":null,"stations":5},{"datetime_utc":"2026-05-30T00:00:00Z","aqi":99,"aqi_min":19,"aqi_max":157,"pm25":34.69,"pm10":null,"stations":8},{"datetime_utc":"2026-05-30T01:00:00Z","aqi":79,"aqi_min":70,"aqi_max":87,"pm25":25.18,"pm10":null,"stations":6}],"daily":[{"date":"2026-05-28","aqi_avg":63,"aqi_min":47,"aqi_max":83,"aqi_color":"#d97706","aqi_label":"Moderate","pm25_avg":17.8,"pm10_avg":null,"hours":20,"stations_avg":7},{"date":"2026-05-29","aqi_avg":72,"aqi_min":54,"aqi_max":154,"aqi_color":"#d97706","aqi_label":"Moderate","pm25_avg":22.1,"pm10_avg":null,"hours":24,"stations_avg":7},{"date":"2026-05-30","aqi_avg":89,"aqi_min":79,"aqi_max":99,"aqi_color":"#d97706","aqi_label":"Moderate","pm25_avg":29.9,"pm10_avg":null,"hours":2,"stations_avg":7}]}