{"city":"Richardson","country":"United States","lat":32.94818115234375,"lon":-96.72972106933594,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-07-20T03:00:00Z","aqi":62,"aqi_min":30,"aqi_max":73,"pm25":17.14,"pm10":62.6,"stations":6},{"datetime_utc":"2026-07-20T04:00:00Z","aqi":52,"aqi_min":13,"aqi_max":74,"pm25":12.6,"pm10":62.6,"stations":7},{"datetime_utc":"2026-07-20T05:00:00Z","aqi":20,"aqi_min":6,"aqi_max":35,"pm25":4.88,"pm10":null,"stations":3},{"datetime_utc":"2026-07-20T06:00:00Z","aqi":81,"aqi_min":14,"aqi_max":158,"pm25":26.56,"pm10":null,"stations":5},{"datetime_utc":"2026-07-20T07:00:00Z","aqi":64,"aqi_min":8,"aqi_max":83,"pm25":18.43,"pm10":64.1,"stations":4},{"datetime_utc":"2026-07-20T08:00:00Z","aqi":39,"aqi_min":5,"aqi_max":71,"pm25":9.39,"pm10":64.6,"stations":3},{"datetime_utc":"2026-07-20T09:00:00Z","aqi":51,"aqi_min":25,"aqi_max":74,"pm25":12.23,"pm10":null,"stations":7},{"datetime_utc":"2026-07-20T10:00:00Z","aqi":45,"aqi_min":1,"aqi_max":72,"pm25":10.93,"pm10":57.5,"stations":9},{"datetime_utc":"2026-07-20T11:00:00Z","aqi":59,"aqi_min":34,"aqi_max":69,"pm25":15.75,"pm10":59.7,"stations":5},{"datetime_utc":"2026-07-20T12:00:00Z","aqi":87,"aqi_min":61,"aqi_max":132,"pm25":29.06,"pm10":59.7,"stations":3},{"datetime_utc":"2026-07-20T13:00:00Z","aqi":57,"aqi_min":18,"aqi_max":70,"pm25":14.89,"pm10":70.6,"stations":4},{"datetime_utc":"2026-07-20T14:00:00Z","aqi":67,"aqi_min":40,"aqi_max":76,"pm25":19.47,"pm10":84.7,"stations":4},{"datetime_utc":"2026-07-20T15:00:00Z","aqi":58,"aqi_min":22,"aqi_max":85,"pm25":15.55,"pm10":null,"stations":7},{"datetime_utc":"2026-07-20T16:00:00Z","aqi":58,"aqi_min":26,"aqi_max":79,"pm25":15.28,"pm10":77.1,"stations":6},{"datetime_utc":"2026-07-20T17:00:00Z","aqi":56,"aqi_min":28,"aqi_max":76,"pm25":14.52,"pm10":71.69,"stations":5},{"datetime_utc":"2026-07-20T18:00:00Z","aqi":69,"aqi_min":56,"aqi_max":77,"pm25":20.81,"pm10":76.3,"stations":4},{"datetime_utc":"2026-07-20T19:00:00Z","aqi":67,"aqi_min":29,"aqi_max":82,"pm25":19.95,"pm10":75.6,"stations":6},{"datetime_utc":"2026-07-20T20:00:00Z","aqi":52,"aqi_min":21,"aqi_max":67,"pm25":12.37,"pm10":null,"stations":2},{"datetime_utc":"2026-07-20T21:00:00Z","aqi":65,"aqi_min":22,"aqi_max":82,"pm25":18.64,"pm10":75.69,"stations":8},{"datetime_utc":"2026-07-20T22:00:00Z","aqi":58,"aqi_min":21,"aqi_max":77,"pm25":15.43,"pm10":76.9,"stations":4},{"datetime_utc":"2026-07-20T23:00:00Z","aqi":69,"aqi_min":65,"aqi_max":74,"pm25":20.62,"pm10":71.1,"stations":3},{"datetime_utc":"2026-07-21T00:00:00Z","aqi":61,"aqi_min":20,"aqi_max":75,"pm25":16.97,"pm10":70.8,"stations":3},{"datetime_utc":"2026-07-21T01:00:00Z","aqi":59,"aqi_min":46,"aqi_max":74,"pm25":15.72,"pm10":69.9,"stations":4},{"datetime_utc":"2026-07-21T02:00:00Z","aqi":53,"aqi_min":36,"aqi_max":62,"pm25":13.0,"pm10":null,"stations":4},{"datetime_utc":"2026-07-21T03:00:00Z","aqi":62,"aqi_min":26,"aqi_max":93,"pm25":17.55,"pm10":74.4,"stations":7},{"datetime_utc":"2026-07-21T04:00:00Z","aqi":42,"aqi_min":6,"aqi_max":67,"pm25":9.99,"pm10":60.9,"stations":5},{"datetime_utc":"2026-07-21T05:00:00Z","aqi":63,"aqi_min":38,"aqi_max":82,"pm25":17.61,"pm10":null,"stations":3},{"datetime_utc":"2026-07-21T06:00:00Z","aqi":64,"aqi_min":22,"aqi_max":130,"pm25":18.44,"pm10":null,"stations":4},{"datetime_utc":"2026-07-21T07:00:00Z","aqi":65,"aqi_min":64,"aqi_max":66,"pm25":18.75,"pm10":60.9,"stations":2},{"datetime_utc":"2026-07-21T08:00:00Z","aqi":52,"aqi_min":32,"aqi_max":66,"pm25":12.51,"pm10":57.2,"stations":5},{"datetime_utc":"2026-07-21T09:00:00Z","aqi":58,"aqi_min":58,"aqi_max":58,"pm25":15.43,"pm10":null,"stations":1},{"datetime_utc":"2026-07-21T10:00:00Z","aqi":56,"aqi_min":4,"aqi_max":78,"pm25":14.73,"pm10":55.6,"stations":7},{"datetime_utc":"2026-07-21T11:00:00Z","aqi":59,"aqi_min":15,"aqi_max":78,"pm25":15.87,"pm10":76.19,"stations":8},{"datetime_utc":"2026-07-21T12:00:00Z","aqi":82,"aqi_min":52,"aqi_max":153,"pm25":26.91,"pm10":76.19,"stations":4},{"datetime_utc":"2026-07-21T13:00:00Z","aqi":47,"aqi_min":2,"aqi_max":72,"pm25":11.32,"pm10":89.9,"stations":4},{"datetime_utc":"2026-07-21T14:00:00Z","aqi":63,"aqi_min":31,"aqi_max":118,"pm25":18.02,"pm10":null,"stations":6},{"datetime_utc":"2026-07-21T15:00:00Z","aqi":72,"aqi_min":64,"aqi_max":80,"pm25":22.15,"pm10":104.2,"stations":2},{"datetime_utc":"2026-07-21T16:00:00Z","aqi":69,"aqi_min":67,"aqi_max":71,"pm25":20.6,"pm10":64.8,"stations":2},{"datetime_utc":"2026-07-21T17:00:00Z","aqi":64,"aqi_min":17,"aqi_max":94,"pm25":18.39,"pm10":225.9,"stations":2},{"datetime_utc":"2026-07-21T18:00:00Z","aqi":63,"aqi_min":42,"aqi_max":71,"pm25":17.66,"pm10":79.5,"stations":3},{"datetime_utc":"2026-07-21T19:00:00Z","aqi":75,"aqi_min":35,"aqi_max":154,"pm25":23.4,"pm10":67.4,"stations":6},{"datetime_utc":"2026-07-21T20:00:00Z","aqi":68,"aqi_min":38,"aqi_max":91,"pm25":20.26,"pm10":67.4,"stations":4},{"datetime_utc":"2026-07-21T21:00:00Z","aqi":66,"aqi_min":26,"aqi_max":129,"pm25":19.08,"pm10":67.1,"stations":8},{"datetime_utc":"2026-07-21T22:00:00Z","aqi":64,"aqi_min":59,"aqi_max":75,"pm25":18.54,"pm10":null,"stations":7},{"datetime_utc":"2026-07-21T23:00:00Z","aqi":66,"aqi_min":55,"aqi_max":75,"pm25":19.43,"pm10":61.8,"stations":3},{"datetime_utc":"2026-07-22T00:00:00Z","aqi":68,"aqi_min":65,"aqi_max":72,"pm25":20.38,"pm10":72.1,"stations":3},{"datetime_utc":"2026-07-22T01:00:00Z","aqi":60,"aqi_min":53,"aqi_max":67,"pm25":16.38,"pm10":null,"stations":2}],"daily":[{"date":"2026-07-20","aqi_avg":59,"aqi_min":20,"aqi_max":87,"aqi_color":"#d97706","aqi_label":"Moderate","pm25_avg":16.4,"pm10_avg":69.4,"hours":21,"stations_avg":5},{"date":"2026-07-21","aqi_avg":62,"aqi_min":42,"aqi_max":82,"aqi_color":"#d97706","aqi_label":"Moderate","pm25_avg":17.6,"pm10_avg":79.4,"hours":24,"stations_avg":4},{"date":"2026-07-22","aqi_avg":64,"aqi_min":60,"aqi_max":68,"aqi_color":"#d97706","aqi_label":"Moderate","pm25_avg":18.4,"pm10_avg":72.1,"hours":2,"stations_avg":2}]}