{"city":"South Milwaukee","country":"United States","lat":42.91056823730469,"lon":-87.86064147949219,"range":"7d","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-07-15T02:00:00Z","aqi":44,"aqi_min":44,"aqi_max":44,"pm25":10.5600004196167,"pm10":null,"stations":2},{"datetime_utc":"2026-07-15T03:00:00Z","aqi":41,"aqi_min":41,"aqi_max":41,"pm25":9.84000015258789,"pm10":null,"stations":1},{"datetime_utc":"2026-07-15T04:00:00Z","aqi":37,"aqi_min":37,"aqi_max":37,"pm25":8.807217597961426,"pm10":null,"stations":2},{"datetime_utc":"2026-07-15T09:00:00Z","aqi":35,"aqi_min":35,"aqi_max":35,"pm25":8.298689842224121,"pm10":null,"stations":2},{"datetime_utc":"2026-07-15T10:00:00Z","aqi":36,"aqi_min":36,"aqi_max":36,"pm25":8.538689613342285,"pm10":null,"stations":2},{"datetime_utc":"2026-07-15T11:00:00Z","aqi":37,"aqi_min":37,"aqi_max":37,"pm25":8.824919700622559,"pm10":null,"stations":2},{"datetime_utc":"2026-07-15T13:00:00Z","aqi":39,"aqi_min":39,"aqi_max":39,"pm25":9.304919242858887,"pm10":null,"stations":2},{"datetime_utc":"2026-07-15T22:00:00Z","aqi":46,"aqi_min":46,"aqi_max":46,"pm25":11.039999961853027,"pm10":null,"stations":1},{"datetime_utc":"2026-07-16T07:00:00Z","aqi":210,"aqi_min":210,"aqi_max":210,"pm25":159.35853576660156,"pm10":null,"stations":2},{"datetime_utc":"2026-07-16T08:00:00Z","aqi":250,"aqi_min":250,"aqi_max":250,"pm25":199.94540405273438,"pm10":null,"stations":1},{"datetime_utc":"2026-07-16T09:00:00Z","aqi":219,"aqi_min":219,"aqi_max":219,"pm25":168.35760498046875,"pm10":null,"stations":2},{"datetime_utc":"2026-07-16T10:00:00Z","aqi":236,"aqi_min":236,"aqi_max":236,"pm25":186.18630981445312,"pm10":null,"stations":2},{"datetime_utc":"2026-07-17T03:00:00Z","aqi":280,"aqi_min":280,"aqi_max":280,"pm25":230.12857055664062,"pm10":null,"stations":2},{"datetime_utc":"2026-07-17T04:00:00Z","aqi":333,"aqi_min":333,"aqi_max":333,"pm25":291.0968017578125,"pm10":null,"stations":2},{"datetime_utc":"2026-07-17T05:00:00Z","aqi":399,"aqi_min":399,"aqi_max":399,"pm25":373.6590576171875,"pm10":null,"stations":2},{"datetime_utc":"2026-07-17T13:00:00Z","aqi":335,"aqi_min":335,"aqi_max":335,"pm25":293.5413513183594,"pm10":null,"stations":2},{"datetime_utc":"2026-07-18T02:00:00Z","aqi":58,"aqi_min":58,"aqi_max":58,"pm25":15.210308074951172,"pm10":null,"stations":2},{"datetime_utc":"2026-07-18T12:00:00Z","aqi":45,"aqi_min":45,"aqi_max":45,"pm25":10.744919776916504,"pm10":null,"stations":2},{"datetime_utc":"2026-07-18T14:00:00Z","aqi":41,"aqi_min":41,"aqi_max":41,"pm25":9.83115005493164,"pm10":null,"stations":2},{"datetime_utc":"2026-07-18T18:00:00Z","aqi":54,"aqi_min":54,"aqi_max":54,"pm25":13.692183494567871,"pm10":null,"stations":2},{"datetime_utc":"2026-07-18T20:00:00Z","aqi":63,"aqi_min":63,"aqi_max":63,"pm25":17.570322036743164,"pm10":null,"stations":2},{"datetime_utc":"2026-07-18T22:00:00Z","aqi":138,"aqi_min":138,"aqi_max":138,"pm25":50.545963287353516,"pm10":null,"stations":2},{"datetime_utc":"2026-07-19T13:00:00Z","aqi":151,"aqi_min":151,"aqi_max":151,"pm25":55.50950622558594,"pm10":null,"stations":2},{"datetime_utc":"2026-07-19T19:00:00Z","aqi":155,"aqi_min":155,"aqi_max":155,"pm25":62.80243682861328,"pm10":null,"stations":2},{"datetime_utc":"2026-07-20T01:00:00Z","aqi":139,"aqi_min":139,"aqi_max":139,"pm25":50.87385559082031,"pm10":null,"stations":2},{"datetime_utc":"2026-07-20T07:00:00Z","aqi":152,"aqi_min":152,"aqi_max":152,"pm25":56.992244720458984,"pm10":null,"stations":2},{"datetime_utc":"2026-07-20T15:00:00Z","aqi":140,"aqi_min":140,"aqi_max":140,"pm25":51.51011276245117,"pm10":null,"stations":2},{"datetime_utc":"2026-07-20T17:00:00Z","aqi":122,"aqi_min":122,"aqi_max":122,"pm25":43.84210968017578,"pm10":null,"stations":2},{"datetime_utc":"2026-07-20T20:00:00Z","aqi":132,"aqi_min":132,"aqi_max":132,"pm25":47.981536865234375,"pm10":null,"stations":2},{"datetime_utc":"2026-07-20T22:00:00Z","aqi":117,"aqi_min":117,"aqi_max":117,"pm25":42.06117248535156,"pm10":null,"stations":2},{"datetime_utc":"2026-07-21T05:00:00Z","aqi":71,"aqi_min":71,"aqi_max":71,"pm25":21.610200881958008,"pm10":null,"stations":2},{"datetime_utc":"2026-07-21T15:00:00Z","aqi":54,"aqi_min":54,"aqi_max":54,"pm25":13.325803756713867,"pm10":null,"stations":2},{"datetime_utc":"2026-07-21T20:00:00Z","aqi":35,"aqi_min":35,"aqi_max":35,"pm25":8.492459297180176,"pm10":null,"stations":2},{"datetime_utc":"2026-07-21T23:00:00Z","aqi":28,"aqi_min":28,"aqi_max":28,"pm25":6.71999979019165,"pm10":null,"stations":1},{"datetime_utc":"2026-07-22T00:00:00Z","aqi":22,"aqi_min":22,"aqi_max":22,"pm25":5.28000020980835,"pm10":null,"stations":2},{"datetime_utc":"2026-07-22T01:00:00Z","aqi":13,"aqi_min":13,"aqi_max":13,"pm25":3.119999885559082,"pm10":null,"stations":1}],"daily":[{"date":"2026-07-15","aqi_avg":39,"aqi_min":35,"aqi_max":46,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":9.4,"pm10_avg":null,"hours":8,"stations_avg":2},{"date":"2026-07-16","aqi_avg":229,"aqi_min":210,"aqi_max":250,"aqi_color":"#7c3aed","aqi_label":"Very unhealthy","pm25_avg":178.5,"pm10_avg":null,"hours":4,"stations_avg":2},{"date":"2026-07-17","aqi_avg":337,"aqi_min":280,"aqi_max":399,"aqi_color":"#991b1b","aqi_label":"Hazardous","pm25_avg":297.1,"pm10_avg":null,"hours":4,"stations_avg":2},{"date":"2026-07-18","aqi_avg":66,"aqi_min":41,"aqi_max":138,"aqi_color":"#d97706","aqi_label":"Moderate","pm25_avg":19.6,"pm10_avg":null,"hours":6,"stations_avg":2},{"date":"2026-07-19","aqi_avg":153,"aqi_min":151,"aqi_max":155,"aqi_color":"#dc2626","aqi_label":"Unhealthy","pm25_avg":59.2,"pm10_avg":null,"hours":2,"stations_avg":2},{"date":"2026-07-20","aqi_avg":134,"aqi_min":117,"aqi_max":152,"aqi_color":"#ea580c","aqi_label":"Unhealthy for sensitive groups","pm25_avg":48.9,"pm10_avg":null,"hours":6,"stations_avg":2},{"date":"2026-07-21","aqi_avg":47,"aqi_min":28,"aqi_max":71,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":12.5,"pm10_avg":null,"hours":4,"stations_avg":2},{"date":"2026-07-22","aqi_avg":18,"aqi_min":13,"aqi_max":22,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":4.2,"pm10_avg":null,"hours":2,"stations_avg":2}]}