{"city":"Ypsilanti","country":"United States","lat":42.24114990234375,"lon":-83.61299133300781,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-04-15T10:00:00Z","aqi":12,"aqi_min":12,"aqi_max":12,"pm25":2.82,"pm10":3.37,"stations":1},{"datetime_utc":"2026-04-15T11:00:00Z","aqi":12,"aqi_min":10,"aqi_max":14,"pm25":2.9,"pm10":null,"stations":13},{"datetime_utc":"2026-04-15T12:00:00Z","aqi":12,"aqi_min":11,"aqi_max":15,"pm25":2.99,"pm10":null,"stations":13},{"datetime_utc":"2026-04-15T13:00:00Z","aqi":13,"aqi_min":11,"aqi_max":17,"pm25":3.22,"pm10":null,"stations":12},{"datetime_utc":"2026-04-15T14:00:00Z","aqi":14,"aqi_min":2,"aqi_max":18,"pm25":3.35,"pm10":1.1,"stations":14},{"datetime_utc":"2026-04-15T15:00:00Z","aqi":14,"aqi_min":1,"aqi_max":18,"pm25":3.35,"pm10":0.16,"stations":13},{"datetime_utc":"2026-04-15T16:00:00Z","aqi":16,"aqi_min":10,"aqi_max":20,"pm25":3.85,"pm10":5.55,"stations":14},{"datetime_utc":"2026-04-15T17:00:00Z","aqi":25,"aqi_min":19,"aqi_max":29,"pm25":5.87,"pm10":7.01,"stations":14},{"datetime_utc":"2026-04-15T18:00:00Z","aqi":36,"aqi_min":26,"aqi_max":53,"pm25":8.68,"pm10":13.82,"stations":14},{"datetime_utc":"2026-04-15T19:00:00Z","aqi":49,"aqi_min":30,"aqi_max":81,"pm25":11.78,"pm10":27.14,"stations":13},{"datetime_utc":"2026-04-15T20:00:00Z","aqi":46,"aqi_min":25,"aqi_max":82,"pm25":11.06,"pm10":26.8,"stations":14},{"datetime_utc":"2026-04-15T21:00:00Z","aqi":47,"aqi_min":17,"aqi_max":100,"pm25":11.28,"pm10":38.11,"stations":14},{"datetime_utc":"2026-04-15T22:00:00Z","aqi":35,"aqi_min":5,"aqi_max":102,"pm25":8.53,"pm10":21.98,"stations":13},{"datetime_utc":"2026-04-15T23:00:00Z","aqi":23,"aqi_min":9,"aqi_max":35,"pm25":5.59,"pm10":2.62,"stations":14},{"datetime_utc":"2026-04-16T00:00:00Z","aqi":20,"aqi_min":2,"aqi_max":30,"pm25":4.92,"pm10":1.97,"stations":14},{"datetime_utc":"2026-04-16T01:00:00Z","aqi":18,"aqi_min":1,"aqi_max":25,"pm25":4.4,"pm10":0.34,"stations":14},{"datetime_utc":"2026-04-16T02:00:00Z","aqi":17,"aqi_min":3,"aqi_max":22,"pm25":3.97,"pm10":0.75,"stations":14},{"datetime_utc":"2026-04-16T03:00:00Z","aqi":33,"aqi_min":4,"aqi_max":155,"pm25":7.96,"pm10":38.81,"stations":14},{"datetime_utc":"2026-04-16T04:00:00Z","aqi":20,"aqi_min":14,"aqi_max":44,"pm25":4.69,"pm10":7.94,"stations":14},{"datetime_utc":"2026-04-16T05:00:00Z","aqi":17,"aqi_min":4,"aqi_max":23,"pm25":4.03,"pm10":1.06,"stations":14},{"datetime_utc":"2026-04-16T06:00:00Z","aqi":28,"aqi_min":18,"aqi_max":68,"pm25":6.77,"pm10":14.74,"stations":14},{"datetime_utc":"2026-04-16T07:00:00Z","aqi":25,"aqi_min":19,"aqi_max":31,"pm25":6.07,"pm10":6.32,"stations":14},{"datetime_utc":"2026-04-16T08:00:00Z","aqi":31,"aqi_min":21,"aqi_max":62,"pm25":7.41,"pm10":14.02,"stations":14},{"datetime_utc":"2026-04-16T09:00:00Z","aqi":29,"aqi_min":23,"aqi_max":36,"pm25":6.88,"pm10":6.58,"stations":14},{"datetime_utc":"2026-04-16T10:00:00Z","aqi":34,"aqi_min":24,"aqi_max":70,"pm25":8.19,"pm10":14.2,"stations":14},{"datetime_utc":"2026-04-16T11:00:00Z","aqi":31,"aqi_min":21,"aqi_max":39,"pm25":7.43,"pm10":5.96,"stations":14},{"datetime_utc":"2026-04-16T12:00:00Z","aqi":30,"aqi_min":20,"aqi_max":38,"pm25":7.3,"pm10":6.25,"stations":14},{"datetime_utc":"2026-04-16T13:00:00Z","aqi":28,"aqi_min":19,"aqi_max":36,"pm25":6.84,"pm10":5.85,"stations":14},{"datetime_utc":"2026-04-16T14:00:00Z","aqi":29,"aqi_min":15,"aqi_max":38,"pm25":7.03,"pm10":5.37,"stations":14},{"datetime_utc":"2026-04-16T15:00:00Z","aqi":34,"aqi_min":20,"aqi_max":78,"pm25":8.21,"pm10":16.25,"stations":14},{"datetime_utc":"2026-04-16T16:00:00Z","aqi":26,"aqi_min":15,"aqi_max":35,"pm25":6.17,"pm10":4.56,"stations":13},{"datetime_utc":"2026-04-16T17:00:00Z","aqi":23,"aqi_min":14,"aqi_max":35,"pm25":5.5,"pm10":3.61,"stations":13},{"datetime_utc":"2026-04-16T18:00:00Z","aqi":21,"aqi_min":12,"aqi_max":34,"pm25":5.0,"pm10":3.45,"stations":14},{"datetime_utc":"2026-04-16T19:00:00Z","aqi":20,"aqi_min":8,"aqi_max":29,"pm25":4.66,"pm10":2.0,"stations":14},{"datetime_utc":"2026-04-16T20:00:00Z","aqi":17,"aqi_min":11,"aqi_max":23,"pm25":4.02,"pm10":2.77,"stations":13},{"datetime_utc":"2026-04-16T21:00:00Z","aqi":15,"aqi_min":8,"aqi_max":18,"pm25":3.59,"pm10":null,"stations":13},{"datetime_utc":"2026-04-16T22:00:00Z","aqi":14,"aqi_min":9,"aqi_max":16,"pm25":3.36,"pm10":null,"stations":13},{"datetime_utc":"2026-04-16T23:00:00Z","aqi":15,"aqi_min":8,"aqi_max":23,"pm25":3.49,"pm10":null,"stations":12},{"datetime_utc":"2026-04-17T00:00:00Z","aqi":15,"aqi_min":10,"aqi_max":18,"pm25":3.53,"pm10":null,"stations":13},{"datetime_utc":"2026-04-17T01:00:00Z","aqi":17,"aqi_min":11,"aqi_max":26,"pm25":3.98,"pm10":null,"stations":13},{"datetime_utc":"2026-04-17T02:00:00Z","aqi":17,"aqi_min":4,"aqi_max":28,"pm25":4.13,"pm10":1.3,"stations":13},{"datetime_utc":"2026-04-17T03:00:00Z","aqi":22,"aqi_min":9,"aqi_max":38,"pm25":5.29,"pm10":4.83,"stations":14},{"datetime_utc":"2026-04-17T04:00:00Z","aqi":28,"aqi_min":18,"aqi_max":50,"pm25":6.81,"pm10":10.43,"stations":14},{"datetime_utc":"2026-04-17T05:00:00Z","aqi":61,"aqi_min":46,"aqi_max":73,"pm25":16.73,"pm10":18.72,"stations":1}],"daily":[{"date":"2026-04-15","aqi_avg":25,"aqi_min":12,"aqi_max":49,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":6.1,"pm10_avg":13.4,"hours":14,"stations_avg":13},{"date":"2026-04-16","aqi_avg":24,"aqi_min":14,"aqi_max":34,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":5.7,"pm10_avg":7.8,"hours":24,"stations_avg":14},{"date":"2026-04-17","aqi_avg":27,"aqi_min":15,"aqi_max":61,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":6.7,"pm10_avg":8.8,"hours":6,"stations_avg":11}]}