{"city":"Elk River","country":"United States","lat":45.30384826660156,"lon":-93.56717681884766,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-07-20T07:00:00Z","aqi":96,"aqi_min":30,"aqi_max":116,"pm25":33.52,"pm10":null,"stations":19},{"datetime_utc":"2026-07-20T08:00:00Z","aqi":100,"aqi_min":42,"aqi_max":137,"pm25":35.42,"pm10":null,"stations":18},{"datetime_utc":"2026-07-20T09:00:00Z","aqi":91,"aqi_min":85,"aqi_max":101,"pm25":31.26,"pm10":null,"stations":15},{"datetime_utc":"2026-07-20T10:00:00Z","aqi":73,"aqi_min":32,"aqi_max":85,"pm25":22.57,"pm10":null,"stations":17},{"datetime_utc":"2026-07-20T11:00:00Z","aqi":70,"aqi_min":58,"aqi_max":133,"pm25":21.07,"pm10":null,"stations":17},{"datetime_utc":"2026-07-20T12:00:00Z","aqi":55,"aqi_min":9,"aqi_max":77,"pm25":13.76,"pm10":null,"stations":19},{"datetime_utc":"2026-07-20T13:00:00Z","aqi":41,"aqi_min":32,"aqi_max":76,"pm25":9.79,"pm10":null,"stations":16},{"datetime_utc":"2026-07-20T14:00:00Z","aqi":37,"aqi_min":25,"aqi_max":70,"pm25":8.77,"pm10":null,"stations":19},{"datetime_utc":"2026-07-20T15:00:00Z","aqi":28,"aqi_min":26,"aqi_max":31,"pm25":6.68,"pm10":null,"stations":15},{"datetime_utc":"2026-07-20T16:00:00Z","aqi":36,"aqi_min":31,"aqi_max":39,"pm25":8.57,"pm10":null,"stations":15},{"datetime_utc":"2026-07-20T17:00:00Z","aqi":44,"aqi_min":39,"aqi_max":50,"pm25":10.46,"pm10":null,"stations":15},{"datetime_utc":"2026-07-20T18:00:00Z","aqi":54,"aqi_min":45,"aqi_max":85,"pm25":13.57,"pm10":null,"stations":18},{"datetime_utc":"2026-07-20T19:00:00Z","aqi":56,"aqi_min":53,"aqi_max":58,"pm25":14.27,"pm10":null,"stations":15},{"datetime_utc":"2026-07-20T20:00:00Z","aqi":60,"aqi_min":55,"aqi_max":77,"pm25":16.17,"pm10":null,"stations":17},{"datetime_utc":"2026-07-20T21:00:00Z","aqi":62,"aqi_min":60,"aqi_max":63,"pm25":17.18,"pm10":null,"stations":15},{"datetime_utc":"2026-07-20T22:00:00Z","aqi":63,"aqi_min":17,"aqi_max":107,"pm25":17.64,"pm10":null,"stations":5},{"datetime_utc":"2026-07-20T23:00:00Z","aqi":65,"aqi_min":63,"aqi_max":67,"pm25":18.68,"pm10":null,"stations":15},{"datetime_utc":"2026-07-21T00:00:00Z","aqi":62,"aqi_min":47,"aqi_max":83,"pm25":17.47,"pm10":null,"stations":19},{"datetime_utc":"2026-07-21T01:00:00Z","aqi":57,"aqi_min":30,"aqi_max":59,"pm25":14.95,"pm10":null,"stations":16},{"datetime_utc":"2026-07-21T02:00:00Z","aqi":58,"aqi_min":55,"aqi_max":68,"pm25":15.52,"pm10":null,"stations":17},{"datetime_utc":"2026-07-21T03:00:00Z","aqi":63,"aqi_min":56,"aqi_max":107,"pm25":17.57,"pm10":null,"stations":17},{"datetime_utc":"2026-07-21T04:00:00Z","aqi":62,"aqi_min":37,"aqi_max":89,"pm25":17.13,"pm10":null,"stations":20},{"datetime_utc":"2026-07-21T05:00:00Z","aqi":64,"aqi_min":60,"aqi_max":80,"pm25":18.53,"pm10":null,"stations":16},{"datetime_utc":"2026-07-21T06:00:00Z","aqi":67,"aqi_min":49,"aqi_max":72,"pm25":19.95,"pm10":null,"stations":19},{"datetime_utc":"2026-07-21T07:00:00Z","aqi":70,"aqi_min":66,"aqi_max":72,"pm25":21.07,"pm10":null,"stations":15},{"datetime_utc":"2026-07-21T08:00:00Z","aqi":63,"aqi_min":60,"aqi_max":74,"pm25":17.82,"pm10":null,"stations":17},{"datetime_utc":"2026-07-21T09:00:00Z","aqi":53,"aqi_min":36,"aqi_max":70,"pm25":13.22,"pm10":null,"stations":18},{"datetime_utc":"2026-07-21T10:00:00Z","aqi":40,"aqi_min":7,"aqi_max":46,"pm25":9.64,"pm10":null,"stations":16},{"datetime_utc":"2026-07-21T11:00:00Z","aqi":35,"aqi_min":19,"aqi_max":69,"pm25":8.39,"pm10":null,"stations":19},{"datetime_utc":"2026-07-21T12:00:00Z","aqi":30,"aqi_min":27,"aqi_max":40,"pm25":7.26,"pm10":null,"stations":16},{"datetime_utc":"2026-07-21T13:00:00Z","aqi":48,"aqi_min":36,"aqi_max":59,"pm25":11.54,"pm10":null,"stations":3},{"datetime_utc":"2026-07-21T14:00:00Z","aqi":42,"aqi_min":25,"aqi_max":51,"pm25":10.13,"pm10":null,"stations":19},{"datetime_utc":"2026-07-21T15:00:00Z","aqi":55,"aqi_min":49,"aqi_max":71,"pm25":13.91,"pm10":null,"stations":16},{"datetime_utc":"2026-07-21T16:00:00Z","aqi":58,"aqi_min":55,"aqi_max":62,"pm25":15.51,"pm10":null,"stations":15},{"datetime_utc":"2026-07-21T17:00:00Z","aqi":63,"aqi_min":59,"aqi_max":67,"pm25":17.82,"pm10":null,"stations":15},{"datetime_utc":"2026-07-21T18:00:00Z","aqi":68,"aqi_min":64,"aqi_max":71,"pm25":20.09,"pm10":null,"stations":15},{"datetime_utc":"2026-07-21T19:00:00Z","aqi":63,"aqi_min":20,"aqi_max":75,"pm25":17.99,"pm10":null,"stations":20},{"datetime_utc":"2026-07-21T20:00:00Z","aqi":67,"aqi_min":35,"aqi_max":77,"pm25":19.89,"pm10":null,"stations":19},{"datetime_utc":"2026-07-21T21:00:00Z","aqi":68,"aqi_min":23,"aqi_max":79,"pm25":19.98,"pm10":null,"stations":18},{"datetime_utc":"2026-07-21T22:00:00Z","aqi":68,"aqi_min":26,"aqi_max":76,"pm25":20.03,"pm10":null,"stations":17},{"datetime_utc":"2026-07-21T23:00:00Z","aqi":66,"aqi_min":52,"aqi_max":72,"pm25":19.36,"pm10":null,"stations":19},{"datetime_utc":"2026-07-22T00:00:00Z","aqi":59,"aqi_min":30,"aqi_max":67,"pm25":16.09,"pm10":null,"stations":19},{"datetime_utc":"2026-07-22T01:00:00Z","aqi":55,"aqi_min":31,"aqi_max":61,"pm25":13.98,"pm10":null,"stations":20},{"datetime_utc":"2026-07-22T02:00:00Z","aqi":42,"aqi_min":32,"aqi_max":48,"pm25":10.13,"pm10":null,"stations":18},{"datetime_utc":"2026-07-22T03:00:00Z","aqi":35,"aqi_min":25,"aqi_max":64,"pm25":8.43,"pm10":null,"stations":17},{"datetime_utc":"2026-07-22T04:00:00Z","aqi":28,"aqi_min":10,"aqi_max":50,"pm25":6.57,"pm10":null,"stations":18},{"datetime_utc":"2026-07-22T05:00:00Z","aqi":17,"aqi_min":8,"aqi_max":22,"pm25":4.08,"pm10":null,"stations":5}],"daily":[{"date":"2026-07-20","aqi_avg":61,"aqi_min":28,"aqi_max":100,"aqi_color":"#d97706","aqi_label":"Moderate","pm25_avg":17.6,"pm10_avg":null,"hours":17,"stations_avg":16},{"date":"2026-07-21","aqi_avg":58,"aqi_min":30,"aqi_max":70,"aqi_color":"#d97706","aqi_label":"Moderate","pm25_avg":16.0,"pm10_avg":null,"hours":24,"stations_avg":17},{"date":"2026-07-22","aqi_avg":39,"aqi_min":17,"aqi_max":59,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":9.9,"pm10_avg":null,"hours":6,"stations_avg":16}]}