{"city":"Rialto","country":"United States","lat":34.10639953613281,"lon":-117.37032318115234,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-07-20T05:00:00Z","aqi":38,"aqi_min":6,"aqi_max":63,"pm25":9.1,"pm10":null,"stations":9},{"datetime_utc":"2026-07-20T06:00:00Z","aqi":49,"aqi_min":14,"aqi_max":101,"pm25":11.73,"pm10":null,"stations":9},{"datetime_utc":"2026-07-20T07:00:00Z","aqi":48,"aqi_min":6,"aqi_max":75,"pm25":11.41,"pm10":null,"stations":13},{"datetime_utc":"2026-07-20T08:00:00Z","aqi":59,"aqi_min":19,"aqi_max":167,"pm25":15.75,"pm10":null,"stations":10},{"datetime_utc":"2026-07-20T09:00:00Z","aqi":40,"aqi_min":28,"aqi_max":51,"pm25":9.53,"pm10":null,"stations":6},{"datetime_utc":"2026-07-20T10:00:00Z","aqi":61,"aqi_min":28,"aqi_max":112,"pm25":17.05,"pm10":null,"stations":10},{"datetime_utc":"2026-07-20T11:00:00Z","aqi":32,"aqi_min":5,"aqi_max":56,"pm25":7.77,"pm10":null,"stations":12},{"datetime_utc":"2026-07-20T12:00:00Z","aqi":37,"aqi_min":16,"aqi_max":52,"pm25":8.9,"pm10":null,"stations":8},{"datetime_utc":"2026-07-20T13:00:00Z","aqi":42,"aqi_min":18,"aqi_max":66,"pm25":10.16,"pm10":null,"stations":9},{"datetime_utc":"2026-07-20T14:00:00Z","aqi":41,"aqi_min":28,"aqi_max":54,"pm25":9.87,"pm10":null,"stations":9},{"datetime_utc":"2026-07-20T15:00:00Z","aqi":38,"aqi_min":14,"aqi_max":55,"pm25":9.1,"pm10":null,"stations":11},{"datetime_utc":"2026-07-20T16:00:00Z","aqi":45,"aqi_min":22,"aqi_max":73,"pm25":10.89,"pm10":null,"stations":10},{"datetime_utc":"2026-07-20T17:00:00Z","aqi":48,"aqi_min":28,"aqi_max":59,"pm25":11.53,"pm10":null,"stations":10},{"datetime_utc":"2026-07-20T18:00:00Z","aqi":73,"aqi_min":28,"aqi_max":139,"pm25":22.36,"pm10":null,"stations":9},{"datetime_utc":"2026-07-20T19:00:00Z","aqi":55,"aqi_min":22,"aqi_max":82,"pm25":14.16,"pm10":null,"stations":11},{"datetime_utc":"2026-07-20T20:00:00Z","aqi":63,"aqi_min":28,"aqi_max":102,"pm25":17.7,"pm10":null,"stations":10},{"datetime_utc":"2026-07-20T21:00:00Z","aqi":55,"aqi_min":26,"aqi_max":74,"pm25":14.16,"pm10":null,"stations":12},{"datetime_utc":"2026-07-20T22:00:00Z","aqi":67,"aqi_min":52,"aqi_max":73,"pm25":19.47,"pm10":null,"stations":4},{"datetime_utc":"2026-07-20T23:00:00Z","aqi":41,"aqi_min":25,"aqi_max":70,"pm25":9.82,"pm10":null,"stations":11},{"datetime_utc":"2026-07-21T00:00:00Z","aqi":35,"aqi_min":25,"aqi_max":55,"pm25":8.4,"pm10":null,"stations":10},{"datetime_utc":"2026-07-21T01:00:00Z","aqi":44,"aqi_min":23,"aqi_max":71,"pm25":10.6,"pm10":null,"stations":9},{"datetime_utc":"2026-07-21T02:00:00Z","aqi":39,"aqi_min":6,"aqi_max":65,"pm25":9.42,"pm10":null,"stations":11},{"datetime_utc":"2026-07-21T03:00:00Z","aqi":36,"aqi_min":22,"aqi_max":61,"pm25":8.72,"pm10":null,"stations":12},{"datetime_utc":"2026-07-21T04:00:00Z","aqi":29,"aqi_min":2,"aqi_max":57,"pm25":7.01,"pm10":null,"stations":9},{"datetime_utc":"2026-07-21T05:00:00Z","aqi":47,"aqi_min":24,"aqi_max":74,"pm25":11.21,"pm10":null,"stations":11},{"datetime_utc":"2026-07-21T06:00:00Z","aqi":34,"aqi_min":13,"aqi_max":65,"pm25":8.09,"pm10":null,"stations":10},{"datetime_utc":"2026-07-21T07:00:00Z","aqi":59,"aqi_min":23,"aqi_max":155,"pm25":15.88,"pm10":null,"stations":12},{"datetime_utc":"2026-07-21T08:00:00Z","aqi":29,"aqi_min":22,"aqi_max":39,"pm25":6.91,"pm10":null,"stations":7},{"datetime_utc":"2026-07-21T09:00:00Z","aqi":37,"aqi_min":23,"aqi_max":67,"pm25":8.92,"pm10":null,"stations":9},{"datetime_utc":"2026-07-21T10:00:00Z","aqi":87,"aqi_min":23,"aqi_max":236,"pm25":29.29,"pm10":null,"stations":12},{"datetime_utc":"2026-07-21T11:00:00Z","aqi":46,"aqi_min":6,"aqi_max":134,"pm25":11.02,"pm10":null,"stations":10},{"datetime_utc":"2026-07-21T12:00:00Z","aqi":32,"aqi_min":12,"aqi_max":57,"pm25":7.83,"pm10":null,"stations":8},{"datetime_utc":"2026-07-21T13:00:00Z","aqi":90,"aqi_min":15,"aqi_max":168,"pm25":30.52,"pm10":null,"stations":5},{"datetime_utc":"2026-07-21T14:00:00Z","aqi":46,"aqi_min":19,"aqi_max":88,"pm25":11.1,"pm10":null,"stations":12},{"datetime_utc":"2026-07-21T15:00:00Z","aqi":37,"aqi_min":26,"aqi_max":45,"pm25":8.81,"pm10":null,"stations":9},{"datetime_utc":"2026-07-21T16:00:00Z","aqi":37,"aqi_min":26,"aqi_max":46,"pm25":8.84,"pm10":null,"stations":6},{"datetime_utc":"2026-07-21T17:00:00Z","aqi":44,"aqi_min":25,"aqi_max":77,"pm25":10.57,"pm10":null,"stations":9},{"datetime_utc":"2026-07-21T18:00:00Z","aqi":53,"aqi_min":25,"aqi_max":86,"pm25":12.98,"pm10":null,"stations":11},{"datetime_utc":"2026-07-21T19:00:00Z","aqi":48,"aqi_min":24,"aqi_max":74,"pm25":11.42,"pm10":null,"stations":10},{"datetime_utc":"2026-07-21T20:00:00Z","aqi":35,"aqi_min":19,"aqi_max":57,"pm25":8.52,"pm10":null,"stations":10},{"datetime_utc":"2026-07-21T21:00:00Z","aqi":50,"aqi_min":20,"aqi_max":85,"pm25":11.9,"pm10":null,"stations":13},{"datetime_utc":"2026-07-21T22:00:00Z","aqi":51,"aqi_min":18,"aqi_max":79,"pm25":12.3,"pm10":null,"stations":9},{"datetime_utc":"2026-07-21T23:00:00Z","aqi":37,"aqi_min":13,"aqi_max":76,"pm25":8.89,"pm10":null,"stations":12},{"datetime_utc":"2026-07-22T00:00:00Z","aqi":40,"aqi_min":12,"aqi_max":75,"pm25":9.73,"pm10":null,"stations":13},{"datetime_utc":"2026-07-22T01:00:00Z","aqi":30,"aqi_min":16,"aqi_max":48,"pm25":7.13,"pm10":null,"stations":7},{"datetime_utc":"2026-07-22T02:00:00Z","aqi":41,"aqi_min":15,"aqi_max":75,"pm25":9.78,"pm10":null,"stations":11}],"daily":[{"date":"2026-07-20","aqi_avg":49,"aqi_min":32,"aqi_max":73,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":12.7,"pm10_avg":null,"hours":19,"stations_avg":10},{"date":"2026-07-21","aqi_avg":45,"aqi_min":29,"aqi_max":90,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":11.6,"pm10_avg":null,"hours":24,"stations_avg":10},{"date":"2026-07-22","aqi_avg":37,"aqi_min":30,"aqi_max":41,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":8.9,"pm10_avg":null,"hours":3,"stations_avg":10}]}