{"city":"Holladay","country":"United States","lat":40.66883850097656,"lon":-111.82466125488281,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-05-28T02:00:00Z","aqi":10,"aqi_min":10,"aqi_max":10,"pm25":2.4,"pm10":null,"stations":1},{"datetime_utc":"2026-05-28T03:00:00Z","aqi":34,"aqi_min":24,"aqi_max":44,"pm25":8.16,"pm10":null,"stations":2},{"datetime_utc":"2026-05-28T04:00:00Z","aqi":57,"aqi_min":30,"aqi_max":74,"pm25":15.12,"pm10":null,"stations":2},{"datetime_utc":"2026-05-28T05:00:00Z","aqi":55,"aqi_min":38,"aqi_max":74,"pm25":14.24,"pm10":null,"stations":3},{"datetime_utc":"2026-05-28T06:00:00Z","aqi":32,"aqi_min":25,"aqi_max":35,"pm25":7.56,"pm10":null,"stations":4},{"datetime_utc":"2026-05-28T07:00:00Z","aqi":20,"aqi_min":10,"aqi_max":29,"pm25":4.68,"pm10":null,"stations":2},{"datetime_utc":"2026-05-28T09:00:00Z","aqi":34,"aqi_min":34,"aqi_max":34,"pm25":8.16,"pm10":null,"stations":2},{"datetime_utc":"2026-05-28T10:00:00Z","aqi":26,"aqi_min":14,"aqi_max":38,"pm25":6.16,"pm10":null,"stations":3},{"datetime_utc":"2026-05-28T11:00:00Z","aqi":26,"aqi_min":26,"aqi_max":26,"pm25":6.24,"pm10":null,"stations":1},{"datetime_utc":"2026-05-28T12:00:00Z","aqi":22,"aqi_min":14,"aqi_max":33,"pm25":5.21,"pm10":null,"stations":7},{"datetime_utc":"2026-05-28T13:00:00Z","aqi":15,"aqi_min":14,"aqi_max":15,"pm25":3.48,"pm10":null,"stations":2},{"datetime_utc":"2026-05-28T14:00:00Z","aqi":24,"aqi_min":24,"aqi_max":24,"pm25":5.76,"pm10":null,"stations":1},{"datetime_utc":"2026-05-28T15:00:00Z","aqi":45,"aqi_min":18,"aqi_max":62,"pm25":10.83,"pm10":null,"stations":2},{"datetime_utc":"2026-05-28T16:00:00Z","aqi":38,"aqi_min":38,"aqi_max":38,"pm25":9.12,"pm10":null,"stations":1},{"datetime_utc":"2026-05-28T17:00:00Z","aqi":34,"aqi_min":22,"aqi_max":46,"pm25":8.24,"pm10":null,"stations":3},{"datetime_utc":"2026-05-28T18:00:00Z","aqi":31,"aqi_min":2,"aqi_max":45,"pm25":7.36,"pm10":null,"stations":3},{"datetime_utc":"2026-05-28T19:00:00Z","aqi":40,"aqi_min":2,"aqi_max":61,"pm25":9.51,"pm10":null,"stations":4},{"datetime_utc":"2026-05-28T20:00:00Z","aqi":51,"aqi_min":30,"aqi_max":62,"pm25":12.27,"pm10":null,"stations":2},{"datetime_utc":"2026-05-28T21:00:00Z","aqi":32,"aqi_min":9,"aqi_max":51,"pm25":7.66,"pm10":null,"stations":6},{"datetime_utc":"2026-05-28T22:00:00Z","aqi":28,"aqi_min":3,"aqi_max":48,"pm25":6.8,"pm10":null,"stations":3},{"datetime_utc":"2026-05-28T23:00:00Z","aqi":32,"aqi_min":32,"aqi_max":32,"pm25":7.68,"pm10":null,"stations":1},{"datetime_utc":"2026-05-29T00:00:00Z","aqi":39,"aqi_min":39,"aqi_max":39,"pm25":9.36,"pm10":null,"stations":1},{"datetime_utc":"2026-05-29T01:00:00Z","aqi":38,"aqi_min":38,"aqi_max":38,"pm25":9.12,"pm10":null,"stations":1},{"datetime_utc":"2026-05-29T02:00:00Z","aqi":18,"aqi_min":10,"aqi_max":26,"pm25":4.16,"pm10":null,"stations":3},{"datetime_utc":"2026-05-29T03:00:00Z","aqi":33,"aqi_min":22,"aqi_max":45,"pm25":8.04,"pm10":null,"stations":4},{"datetime_utc":"2026-05-29T04:00:00Z","aqi":57,"aqi_min":57,"aqi_max":57,"pm25":14.95,"pm10":null,"stations":1},{"datetime_utc":"2026-05-29T05:00:00Z","aqi":48,"aqi_min":24,"aqi_max":63,"pm25":11.41,"pm10":null,"stations":4},{"datetime_utc":"2026-05-29T06:00:00Z","aqi":36,"aqi_min":36,"aqi_max":36,"pm25":8.64,"pm10":null,"stations":1},{"datetime_utc":"2026-05-29T07:00:00Z","aqi":39,"aqi_min":17,"aqi_max":55,"pm25":9.37,"pm10":null,"stations":6},{"datetime_utc":"2026-05-29T08:00:00Z","aqi":20,"aqi_min":15,"aqi_max":26,"pm25":4.8,"pm10":null,"stations":3},{"datetime_utc":"2026-05-29T09:00:00Z","aqi":10,"aqi_min":10,"aqi_max":10,"pm25":2.4,"pm10":null,"stations":1},{"datetime_utc":"2026-05-29T10:00:00Z","aqi":40,"aqi_min":25,"aqi_max":53,"pm25":9.53,"pm10":null,"stations":2},{"datetime_utc":"2026-05-29T12:00:00Z","aqi":55,"aqi_min":15,"aqi_max":76,"pm25":13.79,"pm10":null,"stations":2},{"datetime_utc":"2026-05-29T13:00:00Z","aqi":64,"aqi_min":35,"aqi_max":90,"pm25":18.2,"pm10":null,"stations":6},{"datetime_utc":"2026-05-29T15:00:00Z","aqi":40,"aqi_min":40,"aqi_max":40,"pm25":9.6,"pm10":null,"stations":1},{"datetime_utc":"2026-05-29T16:00:00Z","aqi":35,"aqi_min":31,"aqi_max":38,"pm25":8.4,"pm10":null,"stations":5},{"datetime_utc":"2026-05-29T17:00:00Z","aqi":34,"aqi_min":30,"aqi_max":38,"pm25":8.16,"pm10":null,"stations":2},{"datetime_utc":"2026-05-29T18:00:00Z","aqi":32,"aqi_min":24,"aqi_max":41,"pm25":7.8,"pm10":null,"stations":2},{"datetime_utc":"2026-05-29T19:00:00Z","aqi":45,"aqi_min":44,"aqi_max":46,"pm25":10.8,"pm10":null,"stations":2},{"datetime_utc":"2026-05-29T21:00:00Z","aqi":28,"aqi_min":26,"aqi_max":30,"pm25":6.8,"pm10":null,"stations":3},{"datetime_utc":"2026-05-29T22:00:00Z","aqi":46,"aqi_min":43,"aqi_max":49,"pm25":11.04,"pm10":null,"stations":2},{"datetime_utc":"2026-05-29T23:00:00Z","aqi":48,"aqi_min":40,"aqi_max":53,"pm25":11.35,"pm10":null,"stations":6},{"datetime_utc":"2026-05-30T00:00:00Z","aqi":50,"aqi_min":48,"aqi_max":51,"pm25":11.91,"pm10":null,"stations":3}],"daily":[{"date":"2026-05-28","aqi_avg":33,"aqi_min":10,"aqi_max":57,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":7.9,"pm10_avg":null,"hours":21,"stations_avg":3},{"date":"2026-05-29","aqi_avg":38,"aqi_min":10,"aqi_max":64,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":9.4,"pm10_avg":null,"hours":21,"stations_avg":3},{"date":"2026-05-30","aqi_avg":50,"aqi_min":50,"aqi_max":50,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":11.9,"pm10_avg":null,"hours":1,"stations_avg":3}]}