{"city":"Holden","country":"United States","lat":42.35176086425781,"lon":-71.86341094970703,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-06-07T13:00:00Z","aqi":31,"aqi_min":31,"aqi_max":31,"pm25":7.44,"pm10":null,"stations":1},{"datetime_utc":"2026-06-07T15:00:00Z","aqi":53,"aqi_min":53,"aqi_max":53,"pm25":13.05,"pm10":null,"stations":1},{"datetime_utc":"2026-06-07T17:00:00Z","aqi":33,"aqi_min":33,"aqi_max":33,"pm25":7.92,"pm10":null,"stations":1},{"datetime_utc":"2026-06-07T18:00:00Z","aqi":36,"aqi_min":36,"aqi_max":36,"pm25":8.64,"pm10":null,"stations":1},{"datetime_utc":"2026-06-08T01:00:00Z","aqi":35,"aqi_min":35,"aqi_max":35,"pm25":8.4,"pm10":null,"stations":1},{"datetime_utc":"2026-06-08T08:00:00Z","aqi":35,"aqi_min":35,"aqi_max":35,"pm25":8.4,"pm10":null,"stations":1},{"datetime_utc":"2026-06-08T16:00:00Z","aqi":17,"aqi_min":17,"aqi_max":17,"pm25":4.08,"pm10":null,"stations":1},{"datetime_utc":"2026-06-08T18:00:00Z","aqi":33,"aqi_min":33,"aqi_max":33,"pm25":7.92,"pm10":null,"stations":1},{"datetime_utc":"2026-06-08T21:00:00Z","aqi":30,"aqi_min":30,"aqi_max":30,"pm25":7.2,"pm10":null,"stations":1},{"datetime_utc":"2026-06-08T23:00:00Z","aqi":24,"aqi_min":24,"aqi_max":24,"pm25":5.76,"pm10":null,"stations":1},{"datetime_utc":"2026-06-09T00:00:00Z","aqi":37,"aqi_min":37,"aqi_max":37,"pm25":8.88,"pm10":null,"stations":1},{"datetime_utc":"2026-06-09T03:00:00Z","aqi":17,"aqi_min":17,"aqi_max":17,"pm25":4.08,"pm10":null,"stations":1},{"datetime_utc":"2026-06-09T05:00:00Z","aqi":26,"aqi_min":26,"aqi_max":26,"pm25":6.24,"pm10":null,"stations":1},{"datetime_utc":"2026-06-09T09:00:00Z","aqi":22,"aqi_min":22,"aqi_max":22,"pm25":5.28,"pm10":null,"stations":1},{"datetime_utc":"2026-06-09T10:00:00Z","aqi":28,"aqi_min":28,"aqi_max":28,"pm25":6.72,"pm10":null,"stations":1}],"daily":[{"date":"2026-06-07","aqi_avg":38,"aqi_min":31,"aqi_max":53,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":9.3,"pm10_avg":null,"hours":4,"stations_avg":1},{"date":"2026-06-08","aqi_avg":29,"aqi_min":17,"aqi_max":35,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":7.0,"pm10_avg":null,"hours":6,"stations_avg":1},{"date":"2026-06-09","aqi_avg":26,"aqi_min":17,"aqi_max":37,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":6.2,"pm10_avg":null,"hours":5,"stations_avg":1}]}