{"city":"Rolling Meadows","country":"United States","lat":42.084190368652344,"lon":-88.01313018798828,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-06-11T15:00:00Z","aqi":18,"aqi_min":12,"aqi_max":53,"pm25":4.41,"pm10":null,"stations":279},{"datetime_utc":"2026-06-11T16:00:00Z","aqi":19,"aqi_min":13,"aqi_max":68,"pm25":4.45,"pm10":null,"stations":277},{"datetime_utc":"2026-06-11T17:00:00Z","aqi":19,"aqi_min":13,"aqi_max":54,"pm25":4.55,"pm10":null,"stations":278},{"datetime_utc":"2026-06-11T18:00:00Z","aqi":19,"aqi_min":13,"aqi_max":59,"pm25":4.59,"pm10":null,"stations":278},{"datetime_utc":"2026-06-11T19:00:00Z","aqi":19,"aqi_min":13,"aqi_max":57,"pm25":4.56,"pm10":null,"stations":281},{"datetime_utc":"2026-06-11T20:00:00Z","aqi":18,"aqi_min":12,"aqi_max":47,"pm25":4.19,"pm10":null,"stations":278},{"datetime_utc":"2026-06-11T21:00:00Z","aqi":18,"aqi_min":12,"aqi_max":64,"pm25":4.3,"pm10":null,"stations":280},{"datetime_utc":"2026-06-11T22:00:00Z","aqi":17,"aqi_min":12,"aqi_max":45,"pm25":4.02,"pm10":null,"stations":277},{"datetime_utc":"2026-06-11T23:00:00Z","aqi":18,"aqi_min":12,"aqi_max":50,"pm25":4.24,"pm10":null,"stations":278},{"datetime_utc":"2026-06-12T00:00:00Z","aqi":19,"aqi_min":12,"aqi_max":56,"pm25":4.6,"pm10":null,"stations":280},{"datetime_utc":"2026-06-12T01:00:00Z","aqi":18,"aqi_min":3,"aqi_max":43,"pm25":4.37,"pm10":null,"stations":278},{"datetime_utc":"2026-06-12T02:00:00Z","aqi":17,"aqi_min":11,"aqi_max":52,"pm25":3.99,"pm10":null,"stations":277},{"datetime_utc":"2026-06-12T03:00:00Z","aqi":15,"aqi_min":10,"aqi_max":39,"pm25":3.46,"pm10":null,"stations":280},{"datetime_utc":"2026-06-12T04:00:00Z","aqi":13,"aqi_min":10,"aqi_max":41,"pm25":3.07,"pm10":null,"stations":280},{"datetime_utc":"2026-06-12T05:00:00Z","aqi":13,"aqi_min":9,"aqi_max":33,"pm25":3.05,"pm10":null,"stations":276},{"datetime_utc":"2026-06-12T06:00:00Z","aqi":14,"aqi_min":9,"aqi_max":40,"pm25":3.36,"pm10":null,"stations":277},{"datetime_utc":"2026-06-12T07:00:00Z","aqi":15,"aqi_min":10,"aqi_max":48,"pm25":3.72,"pm10":null,"stations":280},{"datetime_utc":"2026-06-12T08:00:00Z","aqi":17,"aqi_min":9,"aqi_max":55,"pm25":4.07,"pm10":null,"stations":279},{"datetime_utc":"2026-06-12T09:00:00Z","aqi":18,"aqi_min":9,"aqi_max":53,"pm25":4.32,"pm10":null,"stations":278},{"datetime_utc":"2026-06-12T10:00:00Z","aqi":18,"aqi_min":9,"aqi_max":38,"pm25":4.26,"pm10":null,"stations":279},{"datetime_utc":"2026-06-12T11:00:00Z","aqi":18,"aqi_min":10,"aqi_max":57,"pm25":4.18,"pm10":null,"stations":276},{"datetime_utc":"2026-06-12T12:00:00Z","aqi":28,"aqi_min":15,"aqi_max":50,"pm25":6.62,"pm10":null,"stations":5},{"datetime_utc":"2026-06-12T13:00:00Z","aqi":18,"aqi_min":12,"aqi_max":37,"pm25":4.36,"pm10":null,"stations":276},{"datetime_utc":"2026-06-12T14:00:00Z","aqi":20,"aqi_min":13,"aqi_max":39,"pm25":4.7,"pm10":null,"stations":280},{"datetime_utc":"2026-06-12T15:00:00Z","aqi":21,"aqi_min":13,"aqi_max":55,"pm25":5.05,"pm10":null,"stations":278},{"datetime_utc":"2026-06-12T16:00:00Z","aqi":21,"aqi_min":4,"aqi_max":53,"pm25":5.13,"pm10":1.27,"stations":278},{"datetime_utc":"2026-06-12T17:00:00Z","aqi":21,"aqi_min":15,"aqi_max":65,"pm25":5.08,"pm10":null,"stations":278},{"datetime_utc":"2026-06-12T18:00:00Z","aqi":20,"aqi_min":13,"aqi_max":58,"pm25":4.91,"pm10":null,"stations":280},{"datetime_utc":"2026-06-12T19:00:00Z","aqi":20,"aqi_min":9,"aqi_max":62,"pm25":4.77,"pm10":null,"stations":276},{"datetime_utc":"2026-06-12T20:00:00Z","aqi":19,"aqi_min":15,"aqi_max":66,"pm25":4.6,"pm10":null,"stations":278},{"datetime_utc":"2026-06-12T21:00:00Z","aqi":19,"aqi_min":13,"aqi_max":67,"pm25":4.56,"pm10":null,"stations":277},{"datetime_utc":"2026-06-12T22:00:00Z","aqi":20,"aqi_min":16,"aqi_max":78,"pm25":4.67,"pm10":null,"stations":276},{"datetime_utc":"2026-06-12T23:00:00Z","aqi":20,"aqi_min":13,"aqi_max":82,"pm25":4.66,"pm10":null,"stations":278},{"datetime_utc":"2026-06-13T00:00:00Z","aqi":19,"aqi_min":10,"aqi_max":67,"pm25":4.6,"pm10":null,"stations":278},{"datetime_utc":"2026-06-13T01:00:00Z","aqi":20,"aqi_min":11,"aqi_max":54,"pm25":4.73,"pm10":null,"stations":281},{"datetime_utc":"2026-06-13T02:00:00Z","aqi":21,"aqi_min":15,"aqi_max":53,"pm25":5.03,"pm10":null,"stations":280},{"datetime_utc":"2026-06-13T03:00:00Z","aqi":24,"aqi_min":15,"aqi_max":59,"pm25":5.72,"pm10":null,"stations":281},{"datetime_utc":"2026-06-13T04:00:00Z","aqi":25,"aqi_min":14,"aqi_max":56,"pm25":6.14,"pm10":null,"stations":278},{"datetime_utc":"2026-06-13T05:00:00Z","aqi":26,"aqi_min":14,"aqi_max":55,"pm25":6.32,"pm10":null,"stations":279},{"datetime_utc":"2026-06-13T06:00:00Z","aqi":27,"aqi_min":11,"aqi_max":63,"pm25":6.46,"pm10":null,"stations":281},{"datetime_utc":"2026-06-13T07:00:00Z","aqi":27,"aqi_min":11,"aqi_max":55,"pm25":6.37,"pm10":null,"stations":279},{"datetime_utc":"2026-06-13T08:00:00Z","aqi":26,"aqi_min":14,"aqi_max":57,"pm25":6.17,"pm10":null,"stations":279},{"datetime_utc":"2026-06-13T09:00:00Z","aqi":25,"aqi_min":4,"aqi_max":86,"pm25":5.9,"pm10":null,"stations":280},{"datetime_utc":"2026-06-13T10:00:00Z","aqi":23,"aqi_min":13,"aqi_max":37,"pm25":5.56,"pm10":null,"stations":277},{"datetime_utc":"2026-06-13T11:00:00Z","aqi":23,"aqi_min":14,"aqi_max":38,"pm25":5.35,"pm10":null,"stations":282},{"datetime_utc":"2026-06-13T12:00:00Z","aqi":21,"aqi_min":11,"aqi_max":39,"pm25":5.04,"pm10":null,"stations":281},{"datetime_utc":"2026-06-13T13:00:00Z","aqi":22,"aqi_min":15,"aqi_max":27,"pm25":5.16,"pm10":null,"stations":6},{"datetime_utc":"2026-06-13T14:00:00Z","aqi":26,"aqi_min":26,"aqi_max":26,"pm25":6.24,"pm10":null,"stations":1}],"daily":[{"date":"2026-06-11","aqi_avg":18,"aqi_min":17,"aqi_max":19,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":4.4,"pm10_avg":null,"hours":9,"stations_avg":278},{"date":"2026-06-12","aqi_avg":18,"aqi_min":13,"aqi_max":28,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":4.4,"pm10_avg":1.3,"hours":24,"stations_avg":267},{"date":"2026-06-13","aqi_avg":24,"aqi_min":19,"aqi_max":27,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":5.7,"pm10_avg":null,"hours":15,"stations_avg":243}]}