{"city":"Diamond Bar","country":"United States","lat":34.028621673583984,"lon":-117.81034088134766,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-07-20T03:00:00Z","aqi":43,"aqi_min":1,"aqi_max":53,"pm25":10.37,"pm10":4.72,"stations":106},{"datetime_utc":"2026-07-20T04:00:00Z","aqi":45,"aqi_min":1,"aqi_max":55,"pm25":10.82,"pm10":6.64,"stations":104},{"datetime_utc":"2026-07-20T05:00:00Z","aqi":45,"aqi_min":2,"aqi_max":56,"pm25":10.91,"pm10":6.35,"stations":106},{"datetime_utc":"2026-07-20T06:00:00Z","aqi":47,"aqi_min":1,"aqi_max":61,"pm25":11.17,"pm10":7.25,"stations":106},{"datetime_utc":"2026-07-20T07:00:00Z","aqi":46,"aqi_min":1,"aqi_max":59,"pm25":10.95,"pm10":7.15,"stations":110},{"datetime_utc":"2026-07-20T08:00:00Z","aqi":46,"aqi_min":0,"aqi_max":61,"pm25":11.1,"pm10":9.58,"stations":104},{"datetime_utc":"2026-07-20T09:00:00Z","aqi":47,"aqi_min":1,"aqi_max":70,"pm25":11.2,"pm10":12.22,"stations":105},{"datetime_utc":"2026-07-20T10:00:00Z","aqi":48,"aqi_min":1,"aqi_max":87,"pm25":11.62,"pm10":9.17,"stations":109},{"datetime_utc":"2026-07-20T11:00:00Z","aqi":48,"aqi_min":1,"aqi_max":66,"pm25":11.38,"pm10":10.12,"stations":109},{"datetime_utc":"2026-07-20T12:00:00Z","aqi":50,"aqi_min":1,"aqi_max":63,"pm25":11.87,"pm10":9.69,"stations":105},{"datetime_utc":"2026-07-20T13:00:00Z","aqi":51,"aqi_min":1,"aqi_max":81,"pm25":12.31,"pm10":9.58,"stations":110},{"datetime_utc":"2026-07-20T14:00:00Z","aqi":53,"aqi_min":1,"aqi_max":75,"pm25":12.98,"pm10":10.16,"stations":109},{"datetime_utc":"2026-07-20T15:00:00Z","aqi":53,"aqi_min":5,"aqi_max":64,"pm25":13.07,"pm10":10.25,"stations":107},{"datetime_utc":"2026-07-20T16:00:00Z","aqi":54,"aqi_min":4,"aqi_max":152,"pm25":13.7,"pm10":6.05,"stations":110},{"datetime_utc":"2026-07-20T17:00:00Z","aqi":51,"aqi_min":5,"aqi_max":60,"pm25":12.3,"pm10":7.09,"stations":106},{"datetime_utc":"2026-07-20T18:00:00Z","aqi":51,"aqi_min":5,"aqi_max":139,"pm25":12.09,"pm10":6.13,"stations":108},{"datetime_utc":"2026-07-20T19:00:00Z","aqi":45,"aqi_min":7,"aqi_max":82,"pm25":10.71,"pm10":3.49,"stations":111},{"datetime_utc":"2026-07-20T20:00:00Z","aqi":46,"aqi_min":2,"aqi_max":102,"pm25":11.07,"pm10":4.93,"stations":108},{"datetime_utc":"2026-07-20T21:00:00Z","aqi":46,"aqi_min":4,"aqi_max":62,"pm25":11.04,"pm10":3.52,"stations":108},{"datetime_utc":"2026-07-20T22:00:00Z","aqi":47,"aqi_min":6,"aqi_max":70,"pm25":11.16,"pm10":6.27,"stations":3},{"datetime_utc":"2026-07-20T23:00:00Z","aqi":43,"aqi_min":18,"aqi_max":59,"pm25":10.28,"pm10":9.04,"stations":110},{"datetime_utc":"2026-07-21T00:00:00Z","aqi":39,"aqi_min":9,"aqi_max":55,"pm25":9.44,"pm10":4.27,"stations":106},{"datetime_utc":"2026-07-21T01:00:00Z","aqi":37,"aqi_min":4,"aqi_max":68,"pm25":8.88,"pm10":4.55,"stations":105},{"datetime_utc":"2026-07-21T02:00:00Z","aqi":36,"aqi_min":3,"aqi_max":65,"pm25":8.72,"pm10":3.97,"stations":109},{"datetime_utc":"2026-07-21T03:00:00Z","aqi":34,"aqi_min":1,"aqi_max":52,"pm25":8.24,"pm10":3.27,"stations":107},{"datetime_utc":"2026-07-21T04:00:00Z","aqi":35,"aqi_min":1,"aqi_max":56,"pm25":8.34,"pm10":3.15,"stations":106},{"datetime_utc":"2026-07-21T05:00:00Z","aqi":35,"aqi_min":1,"aqi_max":63,"pm25":8.39,"pm10":4.15,"stations":109},{"datetime_utc":"2026-07-21T06:00:00Z","aqi":35,"aqi_min":1,"aqi_max":78,"pm25":8.49,"pm10":3.58,"stations":108},{"datetime_utc":"2026-07-21T07:00:00Z","aqi":36,"aqi_min":0,"aqi_max":155,"pm25":8.66,"pm10":3.09,"stations":107},{"datetime_utc":"2026-07-21T08:00:00Z","aqi":34,"aqi_min":0,"aqi_max":45,"pm25":8.2,"pm10":4.55,"stations":104},{"datetime_utc":"2026-07-21T09:00:00Z","aqi":34,"aqi_min":0,"aqi_max":45,"pm25":8.1,"pm10":2.76,"stations":107},{"datetime_utc":"2026-07-21T10:00:00Z","aqi":34,"aqi_min":15,"aqi_max":44,"pm25":8.19,"pm10":9.0,"stations":108},{"datetime_utc":"2026-07-21T11:00:00Z","aqi":34,"aqi_min":1,"aqi_max":44,"pm25":8.05,"pm10":4.08,"stations":106},{"datetime_utc":"2026-07-21T12:00:00Z","aqi":34,"aqi_min":5,"aqi_max":48,"pm25":8.19,"pm10":5.6,"stations":108},{"datetime_utc":"2026-07-21T13:00:00Z","aqi":19,"aqi_min":0,"aqi_max":38,"pm25":4.55,"pm10":6.05,"stations":2},{"datetime_utc":"2026-07-21T14:00:00Z","aqi":36,"aqi_min":1,"aqi_max":88,"pm25":8.74,"pm10":3.2,"stations":109},{"datetime_utc":"2026-07-21T15:00:00Z","aqi":37,"aqi_min":1,"aqi_max":53,"pm25":8.91,"pm10":3.13,"stations":107},{"datetime_utc":"2026-07-21T16:00:00Z","aqi":38,"aqi_min":2,"aqi_max":52,"pm25":9.02,"pm10":4.28,"stations":105},{"datetime_utc":"2026-07-21T17:00:00Z","aqi":39,"aqi_min":2,"aqi_max":77,"pm25":9.27,"pm10":2.72,"stations":107},{"datetime_utc":"2026-07-21T18:00:00Z","aqi":43,"aqi_min":3,"aqi_max":192,"pm25":10.31,"pm10":3.48,"stations":108},{"datetime_utc":"2026-07-21T19:00:00Z","aqi":38,"aqi_min":2,"aqi_max":76,"pm25":9.12,"pm10":3.69,"stations":108},{"datetime_utc":"2026-07-21T20:00:00Z","aqi":36,"aqi_min":2,"aqi_max":57,"pm25":8.66,"pm10":3.87,"stations":107},{"datetime_utc":"2026-07-21T21:00:00Z","aqi":33,"aqi_min":4,"aqi_max":61,"pm25":8.03,"pm10":4.54,"stations":110},{"datetime_utc":"2026-07-21T22:00:00Z","aqi":30,"aqi_min":2,"aqi_max":73,"pm25":7.2,"pm10":2.43,"stations":107},{"datetime_utc":"2026-07-21T23:00:00Z","aqi":27,"aqi_min":2,"aqi_max":53,"pm25":6.44,"pm10":1.83,"stations":111},{"datetime_utc":"2026-07-22T00:00:00Z","aqi":26,"aqi_min":2,"aqi_max":78,"pm25":6.21,"pm10":0.78,"stations":112},{"datetime_utc":"2026-07-22T01:00:00Z","aqi":5,"aqi_min":2,"aqi_max":8,"pm25":1.31,"pm10":2.43,"stations":2}],"daily":[{"date":"2026-07-20","aqi_avg":48,"aqi_min":43,"aqi_max":54,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":11.5,"pm10_avg":7.6,"hours":21,"stations_avg":103},{"date":"2026-07-21","aqi_avg":35,"aqi_min":19,"aqi_max":43,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":8.3,"pm10_avg":4.0,"hours":24,"stations_avg":103},{"date":"2026-07-22","aqi_avg":16,"aqi_min":5,"aqi_max":26,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":3.8,"pm10_avg":1.6,"hours":2,"stations_avg":57}]}