{"city":"Johnston","country":"United States","lat":41.673038482666016,"lon":-93.69772338867188,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-06-07T08:00:00Z","aqi":30,"aqi_min":21,"aqi_max":38,"pm25":7.08,"pm10":null,"stations":2},{"datetime_utc":"2026-06-07T09:00:00Z","aqi":21,"aqi_min":21,"aqi_max":21,"pm25":5.04,"pm10":null,"stations":1},{"datetime_utc":"2026-06-07T10:00:00Z","aqi":45,"aqi_min":45,"aqi_max":45,"pm25":10.8,"pm10":null,"stations":1},{"datetime_utc":"2026-06-07T11:00:00Z","aqi":28,"aqi_min":21,"aqi_max":35,"pm25":6.72,"pm10":null,"stations":2},{"datetime_utc":"2026-06-07T12:00:00Z","aqi":27,"aqi_min":20,"aqi_max":34,"pm25":6.48,"pm10":null,"stations":2},{"datetime_utc":"2026-06-07T14:00:00Z","aqi":84,"aqi_min":82,"aqi_max":85,"pm25":27.55,"pm10":null,"stations":2},{"datetime_utc":"2026-06-07T15:00:00Z","aqi":21,"aqi_min":21,"aqi_max":21,"pm25":5.04,"pm10":null,"stations":1},{"datetime_utc":"2026-06-07T17:00:00Z","aqi":16,"aqi_min":16,"aqi_max":16,"pm25":3.84,"pm10":null,"stations":1},{"datetime_utc":"2026-06-07T18:00:00Z","aqi":5,"aqi_min":5,"aqi_max":5,"pm25":1.2,"pm10":null,"stations":1},{"datetime_utc":"2026-06-07T19:00:00Z","aqi":46,"aqi_min":46,"aqi_max":46,"pm25":11.04,"pm10":null,"stations":1},{"datetime_utc":"2026-06-07T20:00:00Z","aqi":28,"aqi_min":23,"aqi_max":34,"pm25":6.84,"pm10":null,"stations":2},{"datetime_utc":"2026-06-07T22:00:00Z","aqi":32,"aqi_min":23,"aqi_max":42,"pm25":7.8,"pm10":null,"stations":2},{"datetime_utc":"2026-06-07T23:00:00Z","aqi":56,"aqi_min":56,"aqi_max":56,"pm25":14.48,"pm10":null,"stations":1},{"datetime_utc":"2026-06-08T01:00:00Z","aqi":40,"aqi_min":30,"aqi_max":50,"pm25":9.6,"pm10":null,"stations":2},{"datetime_utc":"2026-06-08T02:00:00Z","aqi":32,"aqi_min":25,"aqi_max":38,"pm25":7.56,"pm10":null,"stations":2},{"datetime_utc":"2026-06-08T03:00:00Z","aqi":21,"aqi_min":21,"aqi_max":21,"pm25":5.04,"pm10":null,"stations":1},{"datetime_utc":"2026-06-08T04:00:00Z","aqi":37,"aqi_min":33,"aqi_max":40,"pm25":8.76,"pm10":null,"stations":2},{"datetime_utc":"2026-06-08T05:00:00Z","aqi":24,"aqi_min":24,"aqi_max":24,"pm25":5.76,"pm10":null,"stations":1},{"datetime_utc":"2026-06-08T06:00:00Z","aqi":42,"aqi_min":42,"aqi_max":42,"pm25":10.08,"pm10":null,"stations":1},{"datetime_utc":"2026-06-08T07:00:00Z","aqi":19,"aqi_min":19,"aqi_max":19,"pm25":4.56,"pm10":null,"stations":1},{"datetime_utc":"2026-06-08T08:00:00Z","aqi":52,"aqi_min":42,"aqi_max":58,"pm25":12.75,"pm10":null,"stations":2},{"datetime_utc":"2026-06-08T10:00:00Z","aqi":40,"aqi_min":36,"aqi_max":45,"pm25":9.72,"pm10":null,"stations":2},{"datetime_utc":"2026-06-08T11:00:00Z","aqi":25,"aqi_min":24,"aqi_max":25,"pm25":5.88,"pm10":null,"stations":2},{"datetime_utc":"2026-06-08T12:00:00Z","aqi":43,"aqi_min":42,"aqi_max":45,"pm25":10.44,"pm10":null,"stations":2},{"datetime_utc":"2026-06-08T13:00:00Z","aqi":31,"aqi_min":31,"aqi_max":31,"pm25":7.44,"pm10":null,"stations":2},{"datetime_utc":"2026-06-08T14:00:00Z","aqi":46,"aqi_min":46,"aqi_max":46,"pm25":11.04,"pm10":null,"stations":1},{"datetime_utc":"2026-06-08T15:00:00Z","aqi":42,"aqi_min":41,"aqi_max":42,"pm25":9.96,"pm10":null,"stations":2},{"datetime_utc":"2026-06-08T16:00:00Z","aqi":31,"aqi_min":31,"aqi_max":31,"pm25":7.44,"pm10":null,"stations":1},{"datetime_utc":"2026-06-08T17:00:00Z","aqi":19,"aqi_min":19,"aqi_max":19,"pm25":4.56,"pm10":null,"stations":1},{"datetime_utc":"2026-06-08T18:00:00Z","aqi":28,"aqi_min":28,"aqi_max":28,"pm25":6.72,"pm10":null,"stations":1},{"datetime_utc":"2026-06-08T19:00:00Z","aqi":31,"aqi_min":20,"aqi_max":42,"pm25":7.44,"pm10":null,"stations":2},{"datetime_utc":"2026-06-08T20:00:00Z","aqi":27,"aqi_min":26,"aqi_max":27,"pm25":6.36,"pm10":null,"stations":2},{"datetime_utc":"2026-06-09T00:00:00Z","aqi":76,"aqi_min":76,"aqi_max":76,"pm25":23.99,"pm10":null,"stations":1},{"datetime_utc":"2026-06-09T03:00:00Z","aqi":14,"aqi_min":14,"aqi_max":14,"pm25":3.36,"pm10":null,"stations":1},{"datetime_utc":"2026-06-09T04:00:00Z","aqi":21,"aqi_min":21,"aqi_max":21,"pm25":5.04,"pm10":null,"stations":1}],"daily":[{"date":"2026-06-07","aqi_avg":34,"aqi_min":5,"aqi_max":84,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":8.8,"pm10_avg":null,"hours":13,"stations_avg":1},{"date":"2026-06-08","aqi_avg":33,"aqi_min":19,"aqi_max":52,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":8.0,"pm10_avg":null,"hours":19,"stations_avg":2},{"date":"2026-06-09","aqi_avg":37,"aqi_min":14,"aqi_max":76,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":10.8,"pm10_avg":null,"hours":3,"stations_avg":1}]}