{"city":"Petaluma","country":"United States","lat":38.232421875,"lon":-122.63665008544922,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-06-07T19:00:00Z","aqi":25,"aqi_min":11,"aqi_max":59,"pm25":6.01,"pm10":null,"stations":56},{"datetime_utc":"2026-06-07T20:00:00Z","aqi":26,"aqi_min":11,"aqi_max":69,"pm25":6.17,"pm10":null,"stations":58},{"datetime_utc":"2026-06-07T21:00:00Z","aqi":24,"aqi_min":11,"aqi_max":38,"pm25":5.7,"pm10":null,"stations":56},{"datetime_utc":"2026-06-07T22:00:00Z","aqi":24,"aqi_min":11,"aqi_max":42,"pm25":5.75,"pm10":null,"stations":57},{"datetime_utc":"2026-06-07T23:00:00Z","aqi":23,"aqi_min":14,"aqi_max":43,"pm25":5.64,"pm10":null,"stations":56},{"datetime_utc":"2026-06-08T00:00:00Z","aqi":23,"aqi_min":14,"aqi_max":55,"pm25":5.63,"pm10":null,"stations":55},{"datetime_utc":"2026-06-08T01:00:00Z","aqi":25,"aqi_min":14,"aqi_max":53,"pm25":5.91,"pm10":null,"stations":57},{"datetime_utc":"2026-06-08T02:00:00Z","aqi":25,"aqi_min":11,"aqi_max":42,"pm25":5.88,"pm10":null,"stations":57},{"datetime_utc":"2026-06-08T03:00:00Z","aqi":25,"aqi_min":11,"aqi_max":42,"pm25":6.01,"pm10":null,"stations":57},{"datetime_utc":"2026-06-08T04:00:00Z","aqi":25,"aqi_min":11,"aqi_max":42,"pm25":6.08,"pm10":null,"stations":57},{"datetime_utc":"2026-06-08T05:00:00Z","aqi":25,"aqi_min":14,"aqi_max":40,"pm25":6.1,"pm10":null,"stations":56},{"datetime_utc":"2026-06-08T06:00:00Z","aqi":25,"aqi_min":13,"aqi_max":54,"pm25":6.04,"pm10":null,"stations":56},{"datetime_utc":"2026-06-08T07:00:00Z","aqi":25,"aqi_min":9,"aqi_max":46,"pm25":5.9,"pm10":null,"stations":58},{"datetime_utc":"2026-06-08T08:00:00Z","aqi":25,"aqi_min":11,"aqi_max":42,"pm25":5.94,"pm10":null,"stations":55},{"datetime_utc":"2026-06-08T09:00:00Z","aqi":25,"aqi_min":5,"aqi_max":38,"pm25":5.89,"pm10":null,"stations":57},{"datetime_utc":"2026-06-08T10:00:00Z","aqi":25,"aqi_min":12,"aqi_max":56,"pm25":6.1,"pm10":null,"stations":57},{"datetime_utc":"2026-06-08T11:00:00Z","aqi":24,"aqi_min":11,"aqi_max":36,"pm25":5.72,"pm10":null,"stations":57},{"datetime_utc":"2026-06-08T12:00:00Z","aqi":23,"aqi_min":4,"aqi_max":35,"pm25":5.44,"pm10":null,"stations":57},{"datetime_utc":"2026-06-08T13:00:00Z","aqi":24,"aqi_min":10,"aqi_max":55,"pm25":5.84,"pm10":null,"stations":58},{"datetime_utc":"2026-06-08T14:00:00Z","aqi":24,"aqi_min":11,"aqi_max":46,"pm25":5.78,"pm10":null,"stations":58},{"datetime_utc":"2026-06-08T15:00:00Z","aqi":23,"aqi_min":13,"aqi_max":38,"pm25":5.58,"pm10":null,"stations":57},{"datetime_utc":"2026-06-08T16:00:00Z","aqi":23,"aqi_min":11,"aqi_max":42,"pm25":5.53,"pm10":null,"stations":56},{"datetime_utc":"2026-06-08T17:00:00Z","aqi":23,"aqi_min":11,"aqi_max":48,"pm25":5.38,"pm10":null,"stations":54},{"datetime_utc":"2026-06-08T18:00:00Z","aqi":23,"aqi_min":11,"aqi_max":52,"pm25":5.53,"pm10":null,"stations":58},{"datetime_utc":"2026-06-08T19:00:00Z","aqi":21,"aqi_min":13,"aqi_max":39,"pm25":5.13,"pm10":null,"stations":55},{"datetime_utc":"2026-06-08T20:00:00Z","aqi":22,"aqi_min":12,"aqi_max":52,"pm25":5.25,"pm10":null,"stations":59},{"datetime_utc":"2026-06-08T21:00:00Z","aqi":19,"aqi_min":10,"aqi_max":32,"pm25":4.61,"pm10":null,"stations":54},{"datetime_utc":"2026-06-08T22:00:00Z","aqi":18,"aqi_min":12,"aqi_max":23,"pm25":4.35,"pm10":null,"stations":52},{"datetime_utc":"2026-06-08T23:00:00Z","aqi":18,"aqi_min":10,"aqi_max":24,"pm25":4.26,"pm10":null,"stations":53},{"datetime_utc":"2026-06-09T00:00:00Z","aqi":20,"aqi_min":12,"aqi_max":82,"pm25":4.83,"pm10":null,"stations":54},{"datetime_utc":"2026-06-09T01:00:00Z","aqi":19,"aqi_min":4,"aqi_max":41,"pm25":4.57,"pm10":null,"stations":55},{"datetime_utc":"2026-06-09T02:00:00Z","aqi":20,"aqi_min":11,"aqi_max":50,"pm25":4.66,"pm10":null,"stations":53},{"datetime_utc":"2026-06-09T03:00:00Z","aqi":19,"aqi_min":10,"aqi_max":53,"pm25":4.59,"pm10":null,"stations":54},{"datetime_utc":"2026-06-09T04:00:00Z","aqi":20,"aqi_min":9,"aqi_max":55,"pm25":4.83,"pm10":null,"stations":55},{"datetime_utc":"2026-06-09T05:00:00Z","aqi":21,"aqi_min":9,"aqi_max":50,"pm25":5.11,"pm10":null,"stations":57},{"datetime_utc":"2026-06-09T06:00:00Z","aqi":21,"aqi_min":8,"aqi_max":55,"pm25":5.04,"pm10":null,"stations":55},{"datetime_utc":"2026-06-09T07:00:00Z","aqi":20,"aqi_min":6,"aqi_max":52,"pm25":4.75,"pm10":null,"stations":58},{"datetime_utc":"2026-06-09T08:00:00Z","aqi":17,"aqi_min":5,"aqi_max":51,"pm25":4.02,"pm10":null,"stations":56},{"datetime_utc":"2026-06-09T09:00:00Z","aqi":14,"aqi_min":5,"aqi_max":40,"pm25":3.34,"pm10":null,"stations":54},{"datetime_utc":"2026-06-09T10:00:00Z","aqi":13,"aqi_min":5,"aqi_max":42,"pm25":3.1,"pm10":null,"stations":55},{"datetime_utc":"2026-06-09T11:00:00Z","aqi":13,"aqi_min":5,"aqi_max":51,"pm25":3.16,"pm10":null,"stations":56},{"datetime_utc":"2026-06-09T12:00:00Z","aqi":13,"aqi_min":7,"aqi_max":52,"pm25":3.19,"pm10":null,"stations":55},{"datetime_utc":"2026-06-09T13:00:00Z","aqi":15,"aqi_min":7,"aqi_max":75,"pm25":3.66,"pm10":null,"stations":57},{"datetime_utc":"2026-06-09T14:00:00Z","aqi":14,"aqi_min":8,"aqi_max":44,"pm25":3.29,"pm10":null,"stations":56},{"datetime_utc":"2026-06-09T15:00:00Z","aqi":15,"aqi_min":8,"aqi_max":37,"pm25":3.64,"pm10":null,"stations":59},{"datetime_utc":"2026-06-09T16:00:00Z","aqi":15,"aqi_min":9,"aqi_max":28,"pm25":3.5,"pm10":null,"stations":56}],"daily":[{"date":"2026-06-07","aqi_avg":24,"aqi_min":23,"aqi_max":26,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":5.9,"pm10_avg":null,"hours":5,"stations_avg":57},{"date":"2026-06-08","aqi_avg":23,"aqi_min":18,"aqi_max":25,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":5.6,"pm10_avg":null,"hours":24,"stations_avg":56},{"date":"2026-06-09","aqi_avg":17,"aqi_min":13,"aqi_max":21,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":4.1,"pm10_avg":null,"hours":17,"stations_avg":56}]}