{"city":"Udon Thani","country":"Thailand","lat":17.41567039489746,"lon":102.785888671875,"range":"20d","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-05-10T03:00:00Z","aqi":69,"aqi_min":69,"aqi_max":69,"pm25":20.6591796875,"pm10":null,"stations":1},{"datetime_utc":"2026-05-10T04:00:00Z","aqi":82,"aqi_min":82,"aqi_max":82,"pm25":26.840810775756836,"pm10":null,"stations":1},{"datetime_utc":"2026-05-10T12:00:00Z","aqi":114,"aqi_min":114,"aqi_max":114,"pm25":40.77956008911133,"pm10":null,"stations":1},{"datetime_utc":"2026-05-10T19:00:00Z","aqi":53,"aqi_min":53,"aqi_max":53,"pm25":13.051019668579102,"pm10":null,"stations":1},{"datetime_utc":"2026-05-11T05:00:00Z","aqi":75,"aqi_min":75,"aqi_max":75,"pm25":23.512239456176758,"pm10":null,"stations":1},{"datetime_utc":"2026-05-11T10:00:00Z","aqi":57,"aqi_min":57,"aqi_max":57,"pm25":14.953060150146484,"pm10":null,"stations":1},{"datetime_utc":"2026-05-11T11:00:00Z","aqi":58,"aqi_min":58,"aqi_max":58,"pm25":15.428569793701172,"pm10":null,"stations":1},{"datetime_utc":"2026-05-11T13:00:00Z","aqi":60,"aqi_min":60,"aqi_max":60,"pm25":16.379589080810547,"pm10":null,"stations":1},{"datetime_utc":"2026-05-11T21:00:00Z","aqi":109,"aqi_min":109,"aqi_max":109,"pm25":38.748958587646484,"pm10":null,"stations":1},{"datetime_utc":"2026-05-12T07:00:00Z","aqi":84,"aqi_min":84,"aqi_max":84,"pm25":27.79183006286621,"pm10":null,"stations":1},{"datetime_utc":"2026-05-12T09:00:00Z","aqi":58,"aqi_min":58,"aqi_max":58,"pm25":15.428569793701172,"pm10":null,"stations":1},{"datetime_utc":"2026-05-12T18:00:00Z","aqi":72,"aqi_min":72,"aqi_max":72,"pm25":22.085710525512695,"pm10":null,"stations":1},{"datetime_utc":"2026-05-12T19:00:00Z","aqi":59,"aqi_min":59,"aqi_max":59,"pm25":15.904080390930176,"pm10":null,"stations":1},{"datetime_utc":"2026-05-13T04:00:00Z","aqi":62,"aqi_min":62,"aqi_max":62,"pm25":17.330610275268555,"pm10":null,"stations":1},{"datetime_utc":"2026-05-13T16:00:00Z","aqi":77,"aqi_min":77,"aqi_max":77,"pm25":24.463260650634766,"pm10":null,"stations":1},{"datetime_utc":"2026-05-14T07:00:00Z","aqi":50,"aqi_min":50,"aqi_max":50,"pm25":12.0,"pm10":null,"stations":1},{"datetime_utc":"2026-05-14T09:00:00Z","aqi":23,"aqi_min":23,"aqi_max":23,"pm25":5.519999980926514,"pm10":null,"stations":1},{"datetime_utc":"2026-05-15T05:00:00Z","aqi":61,"aqi_min":61,"aqi_max":61,"pm25":16.855100631713867,"pm10":null,"stations":1},{"datetime_utc":"2026-05-15T19:00:00Z","aqi":24,"aqi_min":24,"aqi_max":24,"pm25":5.760000228881836,"pm10":null,"stations":1},{"datetime_utc":"2026-05-16T02:00:00Z","aqi":45,"aqi_min":45,"aqi_max":45,"pm25":10.800000190734863,"pm10":null,"stations":1},{"datetime_utc":"2026-05-16T12:00:00Z","aqi":29,"aqi_min":29,"aqi_max":29,"pm25":6.960000038146973,"pm10":null,"stations":1},{"datetime_utc":"2026-05-16T18:00:00Z","aqi":52,"aqi_min":52,"aqi_max":52,"pm25":12.575510025024414,"pm10":null,"stations":1},{"datetime_utc":"2026-05-17T06:00:00Z","aqi":35,"aqi_min":35,"aqi_max":35,"pm25":8.399999618530273,"pm10":null,"stations":1},{"datetime_utc":"2026-05-17T15:00:00Z","aqi":56,"aqi_min":56,"aqi_max":56,"pm25":14.47754955291748,"pm10":null,"stations":1},{"datetime_utc":"2026-05-17T19:00:00Z","aqi":55,"aqi_min":55,"aqi_max":55,"pm25":14.002039909362793,"pm10":null,"stations":1},{"datetime_utc":"2026-05-17T20:00:00Z","aqi":23,"aqi_min":23,"aqi_max":23,"pm25":5.519999980926514,"pm10":null,"stations":1},{"datetime_utc":"2026-05-18T07:00:00Z","aqi":56,"aqi_min":56,"aqi_max":56,"pm25":14.47754955291748,"pm10":null,"stations":1},{"datetime_utc":"2026-05-19T08:00:00Z","aqi":20,"aqi_min":20,"aqi_max":20,"pm25":4.800000190734863,"pm10":null,"stations":1},{"datetime_utc":"2026-05-19T14:00:00Z","aqi":37,"aqi_min":37,"aqi_max":37,"pm25":8.880000114440918,"pm10":null,"stations":1},{"datetime_utc":"2026-05-19T15:00:00Z","aqi":62,"aqi_min":62,"aqi_max":62,"pm25":17.330610275268555,"pm10":null,"stations":1},{"datetime_utc":"2026-05-19T22:00:00Z","aqi":35,"aqi_min":35,"aqi_max":35,"pm25":8.399999618530273,"pm10":null,"stations":1},{"datetime_utc":"2026-05-19T23:00:00Z","aqi":28,"aqi_min":28,"aqi_max":28,"pm25":6.71999979019165,"pm10":null,"stations":1},{"datetime_utc":"2026-05-20T01:00:00Z","aqi":20,"aqi_min":20,"aqi_max":20,"pm25":4.800000190734863,"pm10":null,"stations":1},{"datetime_utc":"2026-05-20T07:00:00Z","aqi":52,"aqi_min":52,"aqi_max":52,"pm25":12.575510025024414,"pm10":null,"stations":1},{"datetime_utc":"2026-05-20T09:00:00Z","aqi":32,"aqi_min":32,"aqi_max":32,"pm25":7.679999828338623,"pm10":null,"stations":1},{"datetime_utc":"2026-05-20T15:00:00Z","aqi":53,"aqi_min":53,"aqi_max":53,"pm25":13.051019668579102,"pm10":null,"stations":1},{"datetime_utc":"2026-05-21T10:00:00Z","aqi":39,"aqi_min":39,"aqi_max":39,"pm25":9.359999656677246,"pm10":null,"stations":1},{"datetime_utc":"2026-05-21T19:00:00Z","aqi":48,"aqi_min":48,"aqi_max":48,"pm25":11.520000457763672,"pm10":null,"stations":1},{"datetime_utc":"2026-05-21T20:00:00Z","aqi":52,"aqi_min":52,"aqi_max":52,"pm25":12.575510025024414,"pm10":null,"stations":1},{"datetime_utc":"2026-05-22T06:00:00Z","aqi":60,"aqi_min":60,"aqi_max":60,"pm25":16.379589080810547,"pm10":null,"stations":1},{"datetime_utc":"2026-05-22T07:00:00Z","aqi":55,"aqi_min":55,"aqi_max":55,"pm25":14.002039909362793,"pm10":null,"stations":1},{"datetime_utc":"2026-05-22T08:00:00Z","aqi":40,"aqi_min":40,"aqi_max":40,"pm25":9.600000381469727,"pm10":null,"stations":1},{"datetime_utc":"2026-05-22T13:00:00Z","aqi":104,"aqi_min":104,"aqi_max":104,"pm25":36.718360900878906,"pm10":null,"stations":1},{"datetime_utc":"2026-05-22T16:00:00Z","aqi":53,"aqi_min":53,"aqi_max":53,"pm25":13.051019668579102,"pm10":null,"stations":1},{"datetime_utc":"2026-05-22T21:00:00Z","aqi":52,"aqi_min":52,"aqi_max":52,"pm25":12.575510025024414,"pm10":null,"stations":1},{"datetime_utc":"2026-05-22T22:00:00Z","aqi":51,"aqi_min":51,"aqi_max":51,"pm25":12.100000381469727,"pm10":null,"stations":1},{"datetime_utc":"2026-05-23T01:00:00Z","aqi":36,"aqi_min":36,"aqi_max":36,"pm25":8.640000343322754,"pm10":null,"stations":1},{"datetime_utc":"2026-05-23T10:00:00Z","aqi":34,"aqi_min":34,"aqi_max":34,"pm25":8.15999984741211,"pm10":null,"stations":1},{"datetime_utc":"2026-05-23T15:00:00Z","aqi":40,"aqi_min":40,"aqi_max":40,"pm25":9.600000381469727,"pm10":null,"stations":1},{"datetime_utc":"2026-05-23T16:00:00Z","aqi":15,"aqi_min":15,"aqi_max":15,"pm25":3.5999999046325684,"pm10":null,"stations":1},{"datetime_utc":"2026-05-23T18:00:00Z","aqi":53,"aqi_min":53,"aqi_max":53,"pm25":13.051019668579102,"pm10":null,"stations":1},{"datetime_utc":"2026-05-24T03:00:00Z","aqi":39,"aqi_min":39,"aqi_max":39,"pm25":9.359999656677246,"pm10":null,"stations":1},{"datetime_utc":"2026-05-24T10:00:00Z","aqi":57,"aqi_min":57,"aqi_max":57,"pm25":14.953060150146484,"pm10":null,"stations":1},{"datetime_utc":"2026-05-24T12:00:00Z","aqi":56,"aqi_min":56,"aqi_max":56,"pm25":14.47754955291748,"pm10":null,"stations":1},{"datetime_utc":"2026-05-25T06:00:00Z","aqi":21,"aqi_min":21,"aqi_max":21,"pm25":5.039999961853027,"pm10":null,"stations":1},{"datetime_utc":"2026-05-25T13:00:00Z","aqi":77,"aqi_min":77,"aqi_max":77,"pm25":24.463260650634766,"pm10":null,"stations":1},{"datetime_utc":"2026-05-25T18:00:00Z","aqi":55,"aqi_min":55,"aqi_max":55,"pm25":14.002039909362793,"pm10":null,"stations":1},{"datetime_utc":"2026-05-25T19:00:00Z","aqi":57,"aqi_min":57,"aqi_max":57,"pm25":14.953060150146484,"pm10":null,"stations":1},{"datetime_utc":"2026-05-25T20:00:00Z","aqi":37,"aqi_min":37,"aqi_max":37,"pm25":8.880000114440918,"pm10":null,"stations":1},{"datetime_utc":"2026-05-25T22:00:00Z","aqi":58,"aqi_min":58,"aqi_max":58,"pm25":15.428569793701172,"pm10":null,"stations":1},{"datetime_utc":"2026-05-26T05:00:00Z","aqi":43,"aqi_min":43,"aqi_max":43,"pm25":10.319999694824219,"pm10":null,"stations":1},{"datetime_utc":"2026-05-26T14:00:00Z","aqi":46,"aqi_min":46,"aqi_max":46,"pm25":11.039999961853027,"pm10":null,"stations":1},{"datetime_utc":"2026-05-26T15:00:00Z","aqi":43,"aqi_min":43,"aqi_max":43,"pm25":10.319999694824219,"pm10":null,"stations":1},{"datetime_utc":"2026-05-26T18:00:00Z","aqi":43,"aqi_min":43,"aqi_max":43,"pm25":10.319999694824219,"pm10":null,"stations":1},{"datetime_utc":"2026-05-27T11:00:00Z","aqi":23,"aqi_min":23,"aqi_max":23,"pm25":5.519999980926514,"pm10":null,"stations":1},{"datetime_utc":"2026-05-27T13:00:00Z","aqi":41,"aqi_min":41,"aqi_max":41,"pm25":9.84000015258789,"pm10":null,"stations":1},{"datetime_utc":"2026-05-27T18:00:00Z","aqi":52,"aqi_min":52,"aqi_max":52,"pm25":12.575510025024414,"pm10":null,"stations":1},{"datetime_utc":"2026-05-27T19:00:00Z","aqi":54,"aqi_min":54,"aqi_max":54,"pm25":13.526530265808105,"pm10":null,"stations":1},{"datetime_utc":"2026-05-27T20:00:00Z","aqi":57,"aqi_min":57,"aqi_max":57,"pm25":14.953060150146484,"pm10":null,"stations":1},{"datetime_utc":"2026-05-27T21:00:00Z","aqi":63,"aqi_min":63,"aqi_max":63,"pm25":17.806119918823242,"pm10":null,"stations":1},{"datetime_utc":"2026-05-28T22:00:00Z","aqi":13,"aqi_min":13,"aqi_max":13,"pm25":3.119999885559082,"pm10":null,"stations":1},{"datetime_utc":"2026-05-29T06:00:00Z","aqi":35,"aqi_min":35,"aqi_max":35,"pm25":8.399999618530273,"pm10":null,"stations":1},{"datetime_utc":"2026-05-29T16:00:00Z","aqi":45,"aqi_min":45,"aqi_max":45,"pm25":10.800000190734863,"pm10":null,"stations":1}],"daily":[{"date":"2026-05-10","aqi_avg":80,"aqi_min":53,"aqi_max":114,"aqi_color":"#d97706","aqi_label":"Moderate","pm25_avg":25.3,"pm10_avg":null,"hours":4,"stations_avg":1},{"date":"2026-05-11","aqi_avg":72,"aqi_min":57,"aqi_max":109,"aqi_color":"#d97706","aqi_label":"Moderate","pm25_avg":21.8,"pm10_avg":null,"hours":5,"stations_avg":1},{"date":"2026-05-12","aqi_avg":68,"aqi_min":58,"aqi_max":84,"aqi_color":"#d97706","aqi_label":"Moderate","pm25_avg":20.3,"pm10_avg":null,"hours":4,"stations_avg":1},{"date":"2026-05-13","aqi_avg":70,"aqi_min":62,"aqi_max":77,"aqi_color":"#d97706","aqi_label":"Moderate","pm25_avg":20.9,"pm10_avg":null,"hours":2,"stations_avg":1},{"date":"2026-05-14","aqi_avg":36,"aqi_min":23,"aqi_max":50,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":8.8,"pm10_avg":null,"hours":2,"stations_avg":1},{"date":"2026-05-15","aqi_avg":42,"aqi_min":24,"aqi_max":61,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":11.3,"pm10_avg":null,"hours":2,"stations_avg":1},{"date":"2026-05-16","aqi_avg":42,"aqi_min":29,"aqi_max":52,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":10.1,"pm10_avg":null,"hours":3,"stations_avg":1},{"date":"2026-05-17","aqi_avg":42,"aqi_min":23,"aqi_max":56,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":10.6,"pm10_avg":null,"hours":4,"stations_avg":1},{"date":"2026-05-18","aqi_avg":56,"aqi_min":56,"aqi_max":56,"aqi_color":"#d97706","aqi_label":"Moderate","pm25_avg":14.5,"pm10_avg":null,"hours":1,"stations_avg":1},{"date":"2026-05-19","aqi_avg":36,"aqi_min":20,"aqi_max":62,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":9.2,"pm10_avg":null,"hours":5,"stations_avg":1},{"date":"2026-05-20","aqi_avg":39,"aqi_min":20,"aqi_max":53,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":9.5,"pm10_avg":null,"hours":4,"stations_avg":1},{"date":"2026-05-21","aqi_avg":46,"aqi_min":39,"aqi_max":52,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":11.2,"pm10_avg":null,"hours":3,"stations_avg":1},{"date":"2026-05-22","aqi_avg":59,"aqi_min":40,"aqi_max":104,"aqi_color":"#d97706","aqi_label":"Moderate","pm25_avg":16.3,"pm10_avg":null,"hours":7,"stations_avg":1},{"date":"2026-05-23","aqi_avg":36,"aqi_min":15,"aqi_max":53,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":8.6,"pm10_avg":null,"hours":5,"stations_avg":1},{"date":"2026-05-24","aqi_avg":51,"aqi_min":39,"aqi_max":57,"aqi_color":"#d97706","aqi_label":"Moderate","pm25_avg":12.9,"pm10_avg":null,"hours":3,"stations_avg":1},{"date":"2026-05-25","aqi_avg":51,"aqi_min":21,"aqi_max":77,"aqi_color":"#d97706","aqi_label":"Moderate","pm25_avg":13.8,"pm10_avg":null,"hours":6,"stations_avg":1},{"date":"2026-05-26","aqi_avg":44,"aqi_min":43,"aqi_max":46,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":10.5,"pm10_avg":null,"hours":4,"stations_avg":1},{"date":"2026-05-27","aqi_avg":48,"aqi_min":23,"aqi_max":63,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":12.4,"pm10_avg":null,"hours":6,"stations_avg":1},{"date":"2026-05-28","aqi_avg":13,"aqi_min":13,"aqi_max":13,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":3.1,"pm10_avg":null,"hours":1,"stations_avg":1},{"date":"2026-05-29","aqi_avg":40,"aqi_min":35,"aqi_max":45,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":9.6,"pm10_avg":null,"hours":2,"stations_avg":1}]}