{"city":"Rio Linda","country":"United States","lat":38.691009521484375,"lon":-121.44857025146484,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-07-20T02:00:00Z","aqi":21,"aqi_min":14,"aqi_max":46,"pm25":5.04,"pm10":null,"stations":51},{"datetime_utc":"2026-07-20T03:00:00Z","aqi":23,"aqi_min":15,"aqi_max":82,"pm25":5.57,"pm10":null,"stations":51},{"datetime_utc":"2026-07-20T04:00:00Z","aqi":24,"aqi_min":15,"aqi_max":82,"pm25":5.84,"pm10":null,"stations":52},{"datetime_utc":"2026-07-20T05:00:00Z","aqi":21,"aqi_min":8,"aqi_max":60,"pm25":4.98,"pm10":null,"stations":55},{"datetime_utc":"2026-07-20T06:00:00Z","aqi":23,"aqi_min":15,"aqi_max":69,"pm25":5.58,"pm10":null,"stations":49},{"datetime_utc":"2026-07-20T07:00:00Z","aqi":22,"aqi_min":1,"aqi_max":58,"pm25":5.29,"pm10":null,"stations":51},{"datetime_utc":"2026-07-20T08:00:00Z","aqi":25,"aqi_min":15,"aqi_max":66,"pm25":5.98,"pm10":null,"stations":48},{"datetime_utc":"2026-07-20T09:00:00Z","aqi":23,"aqi_min":15,"aqi_max":39,"pm25":5.58,"pm10":null,"stations":47},{"datetime_utc":"2026-07-20T10:00:00Z","aqi":26,"aqi_min":14,"aqi_max":76,"pm25":6.34,"pm10":null,"stations":52},{"datetime_utc":"2026-07-20T11:00:00Z","aqi":24,"aqi_min":15,"aqi_max":72,"pm25":5.75,"pm10":null,"stations":52},{"datetime_utc":"2026-07-20T12:00:00Z","aqi":23,"aqi_min":15,"aqi_max":53,"pm25":5.5,"pm10":null,"stations":49},{"datetime_utc":"2026-07-20T13:00:00Z","aqi":28,"aqi_min":9,"aqi_max":80,"pm25":6.73,"pm10":null,"stations":55},{"datetime_utc":"2026-07-20T14:00:00Z","aqi":25,"aqi_min":15,"aqi_max":97,"pm25":6.12,"pm10":null,"stations":48},{"datetime_utc":"2026-07-20T15:00:00Z","aqi":24,"aqi_min":15,"aqi_max":75,"pm25":5.73,"pm10":null,"stations":52},{"datetime_utc":"2026-07-20T16:00:00Z","aqi":35,"aqi_min":15,"aqi_max":117,"pm25":8.46,"pm10":null,"stations":55},{"datetime_utc":"2026-07-20T17:00:00Z","aqi":26,"aqi_min":13,"aqi_max":75,"pm25":6.33,"pm10":null,"stations":52},{"datetime_utc":"2026-07-20T18:00:00Z","aqi":32,"aqi_min":15,"aqi_max":139,"pm25":7.58,"pm10":null,"stations":51},{"datetime_utc":"2026-07-20T19:00:00Z","aqi":26,"aqi_min":15,"aqi_max":87,"pm25":6.32,"pm10":null,"stations":51},{"datetime_utc":"2026-07-20T20:00:00Z","aqi":32,"aqi_min":15,"aqi_max":115,"pm25":7.62,"pm10":null,"stations":51},{"datetime_utc":"2026-07-20T21:00:00Z","aqi":29,"aqi_min":15,"aqi_max":74,"pm25":6.93,"pm10":null,"stations":55},{"datetime_utc":"2026-07-20T22:00:00Z","aqi":75,"aqi_min":50,"aqi_max":112,"pm25":23.29,"pm10":null,"stations":10},{"datetime_utc":"2026-07-20T23:00:00Z","aqi":24,"aqi_min":15,"aqi_max":65,"pm25":5.67,"pm10":null,"stations":54},{"datetime_utc":"2026-07-21T00:00:00Z","aqi":25,"aqi_min":15,"aqi_max":87,"pm25":5.92,"pm10":null,"stations":52},{"datetime_utc":"2026-07-21T01:00:00Z","aqi":25,"aqi_min":15,"aqi_max":71,"pm25":5.98,"pm10":null,"stations":52},{"datetime_utc":"2026-07-21T02:00:00Z","aqi":22,"aqi_min":13,"aqi_max":72,"pm25":5.32,"pm10":null,"stations":50},{"datetime_utc":"2026-07-21T03:00:00Z","aqi":25,"aqi_min":11,"aqi_max":93,"pm25":6.12,"pm10":null,"stations":61},{"datetime_utc":"2026-07-21T04:00:00Z","aqi":21,"aqi_min":16,"aqi_max":46,"pm25":5.06,"pm10":null,"stations":48},{"datetime_utc":"2026-07-21T05:00:00Z","aqi":28,"aqi_min":16,"aqi_max":122,"pm25":6.82,"pm10":null,"stations":55},{"datetime_utc":"2026-07-21T06:00:00Z","aqi":26,"aqi_min":15,"aqi_max":104,"pm25":6.18,"pm10":null,"stations":50},{"datetime_utc":"2026-07-21T07:00:00Z","aqi":28,"aqi_min":6,"aqi_max":95,"pm25":6.7,"pm10":null,"stations":53},{"datetime_utc":"2026-07-21T08:00:00Z","aqi":32,"aqi_min":4,"aqi_max":124,"pm25":7.85,"pm10":null,"stations":53},{"datetime_utc":"2026-07-21T09:00:00Z","aqi":25,"aqi_min":15,"aqi_max":104,"pm25":6.13,"pm10":null,"stations":56},{"datetime_utc":"2026-07-21T10:00:00Z","aqi":38,"aqi_min":4,"aqi_max":236,"pm25":9.19,"pm10":null,"stations":49},{"datetime_utc":"2026-07-21T11:00:00Z","aqi":23,"aqi_min":8,"aqi_max":32,"pm25":5.49,"pm10":null,"stations":48},{"datetime_utc":"2026-07-21T12:00:00Z","aqi":26,"aqi_min":13,"aqi_max":57,"pm25":6.24,"pm10":null,"stations":55},{"datetime_utc":"2026-07-21T13:00:00Z","aqi":78,"aqi_min":58,"aqi_max":125,"pm25":24.9,"pm10":null,"stations":4},{"datetime_utc":"2026-07-21T14:00:00Z","aqi":30,"aqi_min":15,"aqi_max":104,"pm25":7.3,"pm10":null,"stations":50},{"datetime_utc":"2026-07-21T15:00:00Z","aqi":28,"aqi_min":15,"aqi_max":76,"pm25":6.74,"pm10":null,"stations":46},{"datetime_utc":"2026-07-21T16:00:00Z","aqi":27,"aqi_min":10,"aqi_max":61,"pm25":6.37,"pm10":null,"stations":45},{"datetime_utc":"2026-07-21T17:00:00Z","aqi":28,"aqi_min":15,"aqi_max":72,"pm25":6.84,"pm10":null,"stations":47},{"datetime_utc":"2026-07-21T18:00:00Z","aqi":39,"aqi_min":12,"aqi_max":134,"pm25":9.4,"pm10":null,"stations":52},{"datetime_utc":"2026-07-21T19:00:00Z","aqi":32,"aqi_min":14,"aqi_max":93,"pm25":7.59,"pm10":null,"stations":55},{"datetime_utc":"2026-07-21T20:00:00Z","aqi":30,"aqi_min":15,"aqi_max":99,"pm25":7.33,"pm10":null,"stations":55},{"datetime_utc":"2026-07-21T21:00:00Z","aqi":27,"aqi_min":15,"aqi_max":76,"pm25":6.38,"pm10":null,"stations":52},{"datetime_utc":"2026-07-21T22:00:00Z","aqi":19,"aqi_min":1,"aqi_max":48,"pm25":4.57,"pm10":null,"stations":49},{"datetime_utc":"2026-07-21T23:00:00Z","aqi":21,"aqi_min":12,"aqi_max":112,"pm25":5.07,"pm10":null,"stations":53},{"datetime_utc":"2026-07-22T00:00:00Z","aqi":18,"aqi_min":11,"aqi_max":53,"pm25":4.41,"pm10":null,"stations":50}],"daily":[{"date":"2026-07-20","aqi_avg":28,"aqi_min":21,"aqi_max":75,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":6.9,"pm10_avg":null,"hours":22,"stations_avg":50},{"date":"2026-07-21","aqi_avg":29,"aqi_min":19,"aqi_max":78,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":7.3,"pm10_avg":null,"hours":24,"stations_avg":50},{"date":"2026-07-22","aqi_avg":18,"aqi_min":18,"aqi_max":18,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":4.4,"pm10_avg":null,"hours":1,"stations_avg":50}]}