{"city":"Normal","country":"United States","lat":40.514198303222656,"lon":-88.99063110351562,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-07-20T03:00:00Z","aqi":59,"aqi_min":59,"aqi_max":59,"pm25":15.9,"pm10":null,"stations":1},{"datetime_utc":"2026-07-20T04:00:00Z","aqi":110,"aqi_min":110,"aqi_max":110,"pm25":39.16,"pm10":null,"stations":1},{"datetime_utc":"2026-07-20T05:00:00Z","aqi":9,"aqi_min":9,"aqi_max":9,"pm25":2.16,"pm10":null,"stations":1},{"datetime_utc":"2026-07-20T06:00:00Z","aqi":29,"aqi_min":29,"aqi_max":29,"pm25":6.96,"pm10":null,"stations":1},{"datetime_utc":"2026-07-20T08:00:00Z","aqi":125,"aqi_min":125,"aqi_max":125,"pm25":45.25,"pm10":null,"stations":1},{"datetime_utc":"2026-07-20T10:00:00Z","aqi":38,"aqi_min":38,"aqi_max":38,"pm25":9.12,"pm10":null,"stations":1},{"datetime_utc":"2026-07-20T11:00:00Z","aqi":136,"aqi_min":136,"aqi_max":136,"pm25":49.71,"pm10":null,"stations":1},{"datetime_utc":"2026-07-20T12:00:00Z","aqi":56,"aqi_min":56,"aqi_max":56,"pm25":14.48,"pm10":null,"stations":1},{"datetime_utc":"2026-07-20T15:00:00Z","aqi":35,"aqi_min":35,"aqi_max":35,"pm25":8.4,"pm10":null,"stations":1},{"datetime_utc":"2026-07-20T16:00:00Z","aqi":24,"aqi_min":24,"aqi_max":24,"pm25":5.76,"pm10":null,"stations":1},{"datetime_utc":"2026-07-20T18:00:00Z","aqi":103,"aqi_min":103,"aqi_max":103,"pm25":36.31,"pm10":null,"stations":1},{"datetime_utc":"2026-07-20T20:00:00Z","aqi":107,"aqi_min":107,"aqi_max":107,"pm25":37.94,"pm10":null,"stations":1},{"datetime_utc":"2026-07-20T22:00:00Z","aqi":60,"aqi_min":60,"aqi_max":60,"pm25":16.38,"pm10":null,"stations":1},{"datetime_utc":"2026-07-21T00:00:00Z","aqi":36,"aqi_min":36,"aqi_max":36,"pm25":8.64,"pm10":null,"stations":1},{"datetime_utc":"2026-07-21T02:00:00Z","aqi":52,"aqi_min":52,"aqi_max":52,"pm25":12.58,"pm10":null,"stations":1},{"datetime_utc":"2026-07-21T04:00:00Z","aqi":141,"aqi_min":141,"aqi_max":141,"pm25":51.74,"pm10":null,"stations":1},{"datetime_utc":"2026-07-21T06:00:00Z","aqi":26,"aqi_min":26,"aqi_max":26,"pm25":6.24,"pm10":null,"stations":1},{"datetime_utc":"2026-07-21T07:00:00Z","aqi":63,"aqi_min":63,"aqi_max":63,"pm25":17.81,"pm10":null,"stations":1},{"datetime_utc":"2026-07-21T09:00:00Z","aqi":21,"aqi_min":21,"aqi_max":21,"pm25":5.04,"pm10":null,"stations":1},{"datetime_utc":"2026-07-21T11:00:00Z","aqi":27,"aqi_min":27,"aqi_max":27,"pm25":6.48,"pm10":null,"stations":1},{"datetime_utc":"2026-07-21T14:00:00Z","aqi":35,"aqi_min":35,"aqi_max":35,"pm25":8.4,"pm10":null,"stations":1},{"datetime_utc":"2026-07-21T19:00:00Z","aqi":52,"aqi_min":52,"aqi_max":52,"pm25":12.58,"pm10":null,"stations":1},{"datetime_utc":"2026-07-21T20:00:00Z","aqi":40,"aqi_min":40,"aqi_max":40,"pm25":9.6,"pm10":null,"stations":1},{"datetime_utc":"2026-07-21T21:00:00Z","aqi":60,"aqi_min":60,"aqi_max":60,"pm25":16.38,"pm10":null,"stations":1},{"datetime_utc":"2026-07-21T22:00:00Z","aqi":60,"aqi_min":60,"aqi_max":60,"pm25":16.38,"pm10":null,"stations":1},{"datetime_utc":"2026-07-21T23:00:00Z","aqi":34,"aqi_min":34,"aqi_max":34,"pm25":8.16,"pm10":null,"stations":1},{"datetime_utc":"2026-07-22T00:00:00Z","aqi":28,"aqi_min":28,"aqi_max":28,"pm25":6.72,"pm10":null,"stations":1},{"datetime_utc":"2026-07-22T01:00:00Z","aqi":39,"aqi_min":39,"aqi_max":39,"pm25":9.36,"pm10":null,"stations":1}],"daily":[{"date":"2026-07-20","aqi_avg":69,"aqi_min":9,"aqi_max":136,"aqi_color":"#d97706","aqi_label":"Moderate","pm25_avg":22.1,"pm10_avg":null,"hours":13,"stations_avg":1},{"date":"2026-07-21","aqi_avg":50,"aqi_min":21,"aqi_max":141,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":13.8,"pm10_avg":null,"hours":13,"stations_avg":1},{"date":"2026-07-22","aqi_avg":34,"aqi_min":28,"aqi_max":39,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":8.0,"pm10_avg":null,"hours":2,"stations_avg":1}]}