{"city":"Greater Grand Crossing","country":"United States","lat":41.761131286621094,"lon":-87.61485290527344,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-05-27T20:00:00Z","aqi":31,"aqi_min":20,"aqi_max":71,"pm25":7.54,"pm10":null,"stations":278},{"datetime_utc":"2026-05-27T21:00:00Z","aqi":30,"aqi_min":11,"aqi_max":52,"pm25":7.21,"pm10":null,"stations":278},{"datetime_utc":"2026-05-27T22:00:00Z","aqi":30,"aqi_min":18,"aqi_max":55,"pm25":7.06,"pm10":null,"stations":273},{"datetime_utc":"2026-05-27T23:00:00Z","aqi":30,"aqi_min":18,"aqi_max":61,"pm25":7.3,"pm10":null,"stations":281},{"datetime_utc":"2026-05-28T00:00:00Z","aqi":35,"aqi_min":13,"aqi_max":63,"pm25":8.46,"pm10":null,"stations":279},{"datetime_utc":"2026-05-28T01:00:00Z","aqi":39,"aqi_min":4,"aqi_max":67,"pm25":9.43,"pm10":null,"stations":280},{"datetime_utc":"2026-05-28T02:00:00Z","aqi":37,"aqi_min":14,"aqi_max":68,"pm25":8.83,"pm10":null,"stations":282},{"datetime_utc":"2026-05-28T03:00:00Z","aqi":36,"aqi_min":17,"aqi_max":62,"pm25":8.56,"pm10":null,"stations":280},{"datetime_utc":"2026-05-28T04:00:00Z","aqi":35,"aqi_min":16,"aqi_max":59,"pm25":8.4,"pm10":null,"stations":278},{"datetime_utc":"2026-05-28T05:00:00Z","aqi":32,"aqi_min":11,"aqi_max":52,"pm25":7.72,"pm10":null,"stations":280},{"datetime_utc":"2026-05-28T06:00:00Z","aqi":30,"aqi_min":14,"aqi_max":60,"pm25":7.1,"pm10":null,"stations":280},{"datetime_utc":"2026-05-28T07:00:00Z","aqi":28,"aqi_min":11,"aqi_max":60,"pm25":6.59,"pm10":null,"stations":281},{"datetime_utc":"2026-05-28T08:00:00Z","aqi":26,"aqi_min":15,"aqi_max":53,"pm25":6.22,"pm10":null,"stations":278},{"datetime_utc":"2026-05-28T09:00:00Z","aqi":24,"aqi_min":15,"aqi_max":55,"pm25":5.71,"pm10":null,"stations":276},{"datetime_utc":"2026-05-28T10:00:00Z","aqi":23,"aqi_min":7,"aqi_max":58,"pm25":5.39,"pm10":null,"stations":277},{"datetime_utc":"2026-05-28T11:00:00Z","aqi":22,"aqi_min":13,"aqi_max":90,"pm25":5.33,"pm10":null,"stations":279},{"datetime_utc":"2026-05-28T12:00:00Z","aqi":22,"aqi_min":1,"aqi_max":63,"pm25":5.21,"pm10":null,"stations":282},{"datetime_utc":"2026-05-28T13:00:00Z","aqi":22,"aqi_min":5,"aqi_max":43,"pm25":5.24,"pm10":null,"stations":278},{"datetime_utc":"2026-05-28T14:00:00Z","aqi":22,"aqi_min":6,"aqi_max":46,"pm25":5.35,"pm10":null,"stations":276},{"datetime_utc":"2026-05-28T15:00:00Z","aqi":23,"aqi_min":13,"aqi_max":48,"pm25":5.51,"pm10":null,"stations":281},{"datetime_utc":"2026-05-28T16:00:00Z","aqi":24,"aqi_min":13,"aqi_max":59,"pm25":5.7,"pm10":null,"stations":277},{"datetime_utc":"2026-05-28T17:00:00Z","aqi":24,"aqi_min":13,"aqi_max":52,"pm25":5.79,"pm10":null,"stations":279},{"datetime_utc":"2026-05-28T18:00:00Z","aqi":24,"aqi_min":9,"aqi_max":58,"pm25":5.82,"pm10":null,"stations":280},{"datetime_utc":"2026-05-28T19:00:00Z","aqi":24,"aqi_min":14,"aqi_max":55,"pm25":5.84,"pm10":null,"stations":279},{"datetime_utc":"2026-05-28T20:00:00Z","aqi":24,"aqi_min":10,"aqi_max":52,"pm25":5.74,"pm10":null,"stations":281},{"datetime_utc":"2026-05-28T21:00:00Z","aqi":31,"aqi_min":23,"aqi_max":53,"pm25":7.38,"pm10":null,"stations":6},{"datetime_utc":"2026-05-28T22:00:00Z","aqi":37,"aqi_min":9,"aqi_max":57,"pm25":8.88,"pm10":null,"stations":13},{"datetime_utc":"2026-05-28T23:00:00Z","aqi":23,"aqi_min":14,"aqi_max":47,"pm25":5.41,"pm10":null,"stations":278},{"datetime_utc":"2026-05-29T00:00:00Z","aqi":23,"aqi_min":14,"aqi_max":86,"pm25":5.43,"pm10":null,"stations":272},{"datetime_utc":"2026-05-29T01:00:00Z","aqi":22,"aqi_min":6,"aqi_max":83,"pm25":5.22,"pm10":null,"stations":273},{"datetime_utc":"2026-05-29T02:00:00Z","aqi":21,"aqi_min":13,"aqi_max":96,"pm25":5.13,"pm10":null,"stations":276},{"datetime_utc":"2026-05-29T03:00:00Z","aqi":20,"aqi_min":12,"aqi_max":93,"pm25":4.92,"pm10":null,"stations":280},{"datetime_utc":"2026-05-29T04:00:00Z","aqi":20,"aqi_min":11,"aqi_max":80,"pm25":4.79,"pm10":null,"stations":279},{"datetime_utc":"2026-05-29T05:00:00Z","aqi":20,"aqi_min":8,"aqi_max":68,"pm25":4.73,"pm10":null,"stations":283},{"datetime_utc":"2026-05-29T06:00:00Z","aqi":19,"aqi_min":10,"aqi_max":58,"pm25":4.57,"pm10":null,"stations":281},{"datetime_utc":"2026-05-29T07:00:00Z","aqi":19,"aqi_min":11,"aqi_max":48,"pm25":4.45,"pm10":null,"stations":278},{"datetime_utc":"2026-05-29T08:00:00Z","aqi":18,"aqi_min":10,"aqi_max":63,"pm25":4.42,"pm10":null,"stations":279},{"datetime_utc":"2026-05-29T09:00:00Z","aqi":19,"aqi_min":10,"aqi_max":63,"pm25":4.51,"pm10":null,"stations":279},{"datetime_utc":"2026-05-29T10:00:00Z","aqi":20,"aqi_min":10,"aqi_max":68,"pm25":4.77,"pm10":null,"stations":282},{"datetime_utc":"2026-05-29T11:00:00Z","aqi":23,"aqi_min":9,"aqi_max":87,"pm25":5.59,"pm10":null,"stations":279},{"datetime_utc":"2026-05-29T12:00:00Z","aqi":28,"aqi_min":12,"aqi_max":83,"pm25":6.75,"pm10":null,"stations":283},{"datetime_utc":"2026-05-29T13:00:00Z","aqi":30,"aqi_min":13,"aqi_max":85,"pm25":7.12,"pm10":null,"stations":281},{"datetime_utc":"2026-05-29T14:00:00Z","aqi":29,"aqi_min":5,"aqi_max":71,"pm25":7.05,"pm10":null,"stations":281},{"datetime_utc":"2026-05-29T15:00:00Z","aqi":29,"aqi_min":13,"aqi_max":60,"pm25":7.02,"pm10":null,"stations":280},{"datetime_utc":"2026-05-29T16:00:00Z","aqi":30,"aqi_min":14,"aqi_max":56,"pm25":7.05,"pm10":null,"stations":281},{"datetime_utc":"2026-05-29T17:00:00Z","aqi":30,"aqi_min":15,"aqi_max":50,"pm25":7.22,"pm10":null,"stations":282},{"datetime_utc":"2026-05-29T18:00:00Z","aqi":35,"aqi_min":20,"aqi_max":53,"pm25":8.32,"pm10":null,"stations":8}],"daily":[{"date":"2026-05-27","aqi_avg":30,"aqi_min":30,"aqi_max":31,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":7.3,"pm10_avg":null,"hours":4,"stations_avg":278},{"date":"2026-05-28","aqi_avg":28,"aqi_min":22,"aqi_max":39,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":6.7,"pm10_avg":null,"hours":24,"stations_avg":257},{"date":"2026-05-29","aqi_avg":24,"aqi_min":18,"aqi_max":35,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":5.7,"pm10_avg":null,"hours":19,"stations_avg":265}]}