{"city":"West Chicago","country":"United States","lat":41.88475036621094,"lon":-88.2039566040039,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-06-07T17:00:00Z","aqi":35,"aqi_min":19,"aqi_max":55,"pm25":8.38,"pm10":null,"stations":247},{"datetime_utc":"2026-06-07T18:00:00Z","aqi":35,"aqi_min":19,"aqi_max":50,"pm25":8.3,"pm10":null,"stations":244},{"datetime_utc":"2026-06-07T19:00:00Z","aqi":35,"aqi_min":18,"aqi_max":52,"pm25":8.37,"pm10":null,"stations":239},{"datetime_utc":"2026-06-07T20:00:00Z","aqi":35,"aqi_min":18,"aqi_max":63,"pm25":8.52,"pm10":5.25,"stations":246},{"datetime_utc":"2026-06-07T21:00:00Z","aqi":35,"aqi_min":2,"aqi_max":50,"pm25":8.49,"pm10":1.21,"stations":240},{"datetime_utc":"2026-06-07T22:00:00Z","aqi":36,"aqi_min":4,"aqi_max":57,"pm25":8.56,"pm10":1.0,"stations":245},{"datetime_utc":"2026-06-07T23:00:00Z","aqi":37,"aqi_min":6,"aqi_max":66,"pm25":8.94,"pm10":1.48,"stations":245},{"datetime_utc":"2026-06-08T00:00:00Z","aqi":40,"aqi_min":15,"aqi_max":56,"pm25":9.46,"pm10":4.79,"stations":243},{"datetime_utc":"2026-06-08T01:00:00Z","aqi":40,"aqi_min":9,"aqi_max":68,"pm25":9.51,"pm10":6.2,"stations":246},{"datetime_utc":"2026-06-08T02:00:00Z","aqi":41,"aqi_min":13,"aqi_max":82,"pm25":9.78,"pm10":5.02,"stations":243},{"datetime_utc":"2026-06-08T03:00:00Z","aqi":41,"aqi_min":9,"aqi_max":78,"pm25":9.9,"pm10":6.61,"stations":243},{"datetime_utc":"2026-06-08T04:00:00Z","aqi":41,"aqi_min":14,"aqi_max":67,"pm25":9.83,"pm10":5.38,"stations":243},{"datetime_utc":"2026-06-08T05:00:00Z","aqi":40,"aqi_min":12,"aqi_max":63,"pm25":9.69,"pm10":4.53,"stations":244},{"datetime_utc":"2026-06-08T06:00:00Z","aqi":40,"aqi_min":13,"aqi_max":58,"pm25":9.62,"pm10":3.38,"stations":242},{"datetime_utc":"2026-06-08T07:00:00Z","aqi":40,"aqi_min":13,"aqi_max":54,"pm25":9.55,"pm10":4.51,"stations":245},{"datetime_utc":"2026-06-08T08:00:00Z","aqi":43,"aqi_min":6,"aqi_max":60,"pm25":10.41,"pm10":3.71,"stations":243},{"datetime_utc":"2026-06-08T09:00:00Z","aqi":50,"aqi_min":12,"aqi_max":100,"pm25":11.94,"pm10":4.76,"stations":246},{"datetime_utc":"2026-06-08T10:00:00Z","aqi":52,"aqi_min":11,"aqi_max":81,"pm25":12.42,"pm10":2.58,"stations":247},{"datetime_utc":"2026-06-08T11:00:00Z","aqi":51,"aqi_min":13,"aqi_max":71,"pm25":12.13,"pm10":3.07,"stations":244},{"datetime_utc":"2026-06-08T12:00:00Z","aqi":46,"aqi_min":7,"aqi_max":67,"pm25":10.98,"pm10":2.38,"stations":250},{"datetime_utc":"2026-06-08T13:00:00Z","aqi":43,"aqi_min":12,"aqi_max":62,"pm25":10.33,"pm10":3.61,"stations":250},{"datetime_utc":"2026-06-08T14:00:00Z","aqi":45,"aqi_min":10,"aqi_max":65,"pm25":10.72,"pm10":2.92,"stations":244},{"datetime_utc":"2026-06-08T15:00:00Z","aqi":49,"aqi_min":8,"aqi_max":65,"pm25":11.69,"pm10":1.76,"stations":249},{"datetime_utc":"2026-06-08T16:00:00Z","aqi":52,"aqi_min":4,"aqi_max":63,"pm25":12.43,"pm10":1.0,"stations":244},{"datetime_utc":"2026-06-08T17:00:00Z","aqi":53,"aqi_min":21,"aqi_max":69,"pm25":13.15,"pm10":null,"stations":242},{"datetime_utc":"2026-06-08T18:00:00Z","aqi":51,"aqi_min":11,"aqi_max":62,"pm25":12.11,"pm10":null,"stations":244},{"datetime_utc":"2026-06-08T19:00:00Z","aqi":46,"aqi_min":13,"aqi_max":61,"pm25":11.05,"pm10":null,"stations":242},{"datetime_utc":"2026-06-08T20:00:00Z","aqi":43,"aqi_min":22,"aqi_max":59,"pm25":10.41,"pm10":null,"stations":242},{"datetime_utc":"2026-06-08T21:00:00Z","aqi":40,"aqi_min":21,"aqi_max":56,"pm25":9.67,"pm10":null,"stations":243},{"datetime_utc":"2026-06-08T22:00:00Z","aqi":35,"aqi_min":15,"aqi_max":52,"pm25":8.41,"pm10":null,"stations":242},{"datetime_utc":"2026-06-08T23:00:00Z","aqi":29,"aqi_min":17,"aqi_max":45,"pm25":6.9,"pm10":null,"stations":243},{"datetime_utc":"2026-06-09T00:00:00Z","aqi":23,"aqi_min":4,"aqi_max":51,"pm25":5.62,"pm10":1.0,"stations":246},{"datetime_utc":"2026-06-09T01:00:00Z","aqi":20,"aqi_min":5,"aqi_max":45,"pm25":4.8,"pm10":null,"stations":242},{"datetime_utc":"2026-06-09T02:00:00Z","aqi":18,"aqi_min":12,"aqi_max":56,"pm25":4.27,"pm10":null,"stations":245},{"datetime_utc":"2026-06-09T03:00:00Z","aqi":16,"aqi_min":12,"aqi_max":30,"pm25":3.88,"pm10":null,"stations":244},{"datetime_utc":"2026-06-09T04:00:00Z","aqi":17,"aqi_min":12,"aqi_max":61,"pm25":4.11,"pm10":null,"stations":245},{"datetime_utc":"2026-06-09T05:00:00Z","aqi":18,"aqi_min":11,"aqi_max":60,"pm25":4.26,"pm10":null,"stations":245},{"datetime_utc":"2026-06-09T06:00:00Z","aqi":18,"aqi_min":10,"aqi_max":55,"pm25":4.22,"pm10":null,"stations":245},{"datetime_utc":"2026-06-09T07:00:00Z","aqi":19,"aqi_min":8,"aqi_max":59,"pm25":4.53,"pm10":null,"stations":247},{"datetime_utc":"2026-06-09T08:00:00Z","aqi":26,"aqi_min":9,"aqi_max":41,"pm25":6.25,"pm10":null,"stations":241},{"datetime_utc":"2026-06-09T09:00:00Z","aqi":34,"aqi_min":11,"aqi_max":54,"pm25":8.13,"pm10":null,"stations":244},{"datetime_utc":"2026-06-09T10:00:00Z","aqi":35,"aqi_min":11,"aqi_max":49,"pm25":8.31,"pm10":null,"stations":244},{"datetime_utc":"2026-06-09T11:00:00Z","aqi":35,"aqi_min":11,"aqi_max":62,"pm25":8.48,"pm10":null,"stations":245},{"datetime_utc":"2026-06-09T12:00:00Z","aqi":39,"aqi_min":11,"aqi_max":68,"pm25":9.27,"pm10":null,"stations":243},{"datetime_utc":"2026-06-09T13:00:00Z","aqi":41,"aqi_min":11,"aqi_max":67,"pm25":9.82,"pm10":null,"stations":243},{"datetime_utc":"2026-06-09T14:00:00Z","aqi":41,"aqi_min":12,"aqi_max":63,"pm25":9.92,"pm10":null,"stations":243},{"datetime_utc":"2026-06-09T15:00:00Z","aqi":28,"aqi_min":22,"aqi_max":37,"pm25":6.69,"pm10":null,"stations":8}],"daily":[{"date":"2026-06-07","aqi_avg":35,"aqi_min":35,"aqi_max":37,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":8.5,"pm10_avg":2.2,"hours":7,"stations_avg":244},{"date":"2026-06-08","aqi_avg":44,"aqi_min":29,"aqi_max":53,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":10.5,"pm10_avg":3.9,"hours":24,"stations_avg":244},{"date":"2026-06-09","aqi_avg":27,"aqi_min":16,"aqi_max":41,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":6.4,"pm10_avg":1.0,"hours":16,"stations_avg":229}]}