{"city":"Peterborough","country":"Canada","lat":44.30012130737305,"lon":-78.31623077392578,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-05-28T11:00:00Z","aqi":9,"aqi_min":9,"aqi_max":9,"pm25":2.16,"pm10":null,"stations":1},{"datetime_utc":"2026-05-28T13:00:00Z","aqi":20,"aqi_min":20,"aqi_max":20,"pm25":4.8,"pm10":null,"stations":1},{"datetime_utc":"2026-05-28T14:00:00Z","aqi":21,"aqi_min":21,"aqi_max":21,"pm25":5.04,"pm10":null,"stations":1},{"datetime_utc":"2026-05-28T16:00:00Z","aqi":25,"aqi_min":22,"aqi_max":30,"pm25":6.06,"pm10":null,"stations":4},{"datetime_utc":"2026-05-28T17:00:00Z","aqi":9,"aqi_min":9,"aqi_max":9,"pm25":2.16,"pm10":null,"stations":1},{"datetime_utc":"2026-05-28T20:00:00Z","aqi":41,"aqi_min":30,"aqi_max":50,"pm25":9.76,"pm10":null,"stations":3},{"datetime_utc":"2026-05-28T21:00:00Z","aqi":15,"aqi_min":15,"aqi_max":15,"pm25":3.6,"pm10":null,"stations":1},{"datetime_utc":"2026-05-28T22:00:00Z","aqi":86,"aqi_min":22,"aqi_max":153,"pm25":28.89,"pm10":null,"stations":3},{"datetime_utc":"2026-05-28T23:00:00Z","aqi":59,"aqi_min":59,"aqi_max":59,"pm25":15.9,"pm10":null,"stations":1},{"datetime_utc":"2026-05-29T00:00:00Z","aqi":37,"aqi_min":37,"aqi_max":37,"pm25":8.88,"pm10":null,"stations":1},{"datetime_utc":"2026-05-29T01:00:00Z","aqi":49,"aqi_min":13,"aqi_max":64,"pm25":11.8,"pm10":null,"stations":3},{"datetime_utc":"2026-05-29T02:00:00Z","aqi":23,"aqi_min":23,"aqi_max":23,"pm25":5.52,"pm10":null,"stations":1},{"datetime_utc":"2026-05-29T03:00:00Z","aqi":26,"aqi_min":22,"aqi_max":30,"pm25":6.24,"pm10":null,"stations":2},{"datetime_utc":"2026-05-29T04:00:00Z","aqi":43,"aqi_min":18,"aqi_max":60,"pm25":10.35,"pm10":null,"stations":2},{"datetime_utc":"2026-05-29T05:00:00Z","aqi":38,"aqi_min":5,"aqi_max":78,"pm25":9.16,"pm10":null,"stations":5},{"datetime_utc":"2026-05-29T07:00:00Z","aqi":24,"aqi_min":24,"aqi_max":24,"pm25":5.76,"pm10":null,"stations":1},{"datetime_utc":"2026-05-29T08:00:00Z","aqi":47,"aqi_min":16,"aqi_max":65,"pm25":11.3,"pm10":null,"stations":2},{"datetime_utc":"2026-05-29T09:00:00Z","aqi":21,"aqi_min":14,"aqi_max":28,"pm25":4.96,"pm10":null,"stations":3},{"datetime_utc":"2026-05-29T10:00:00Z","aqi":28,"aqi_min":13,"aqi_max":55,"pm25":6.75,"pm10":null,"stations":3},{"datetime_utc":"2026-05-29T12:00:00Z","aqi":7,"aqi_min":7,"aqi_max":7,"pm25":1.68,"pm10":null,"stations":1},{"datetime_utc":"2026-05-29T13:00:00Z","aqi":91,"aqi_min":22,"aqi_max":126,"pm25":30.98,"pm10":null,"stations":2},{"datetime_utc":"2026-05-29T14:00:00Z","aqi":30,"aqi_min":30,"aqi_max":30,"pm25":7.2,"pm10":null,"stations":1},{"datetime_utc":"2026-05-29T15:00:00Z","aqi":23,"aqi_min":17,"aqi_max":30,"pm25":5.64,"pm10":null,"stations":2},{"datetime_utc":"2026-05-29T16:00:00Z","aqi":29,"aqi_min":9,"aqi_max":55,"pm25":6.92,"pm10":null,"stations":3},{"datetime_utc":"2026-05-29T17:00:00Z","aqi":25,"aqi_min":25,"aqi_max":25,"pm25":6.0,"pm10":null,"stations":1},{"datetime_utc":"2026-05-29T18:00:00Z","aqi":90,"aqi_min":70,"aqi_max":112,"pm25":30.55,"pm10":null,"stations":2},{"datetime_utc":"2026-05-29T19:00:00Z","aqi":34,"aqi_min":34,"aqi_max":34,"pm25":8.16,"pm10":null,"stations":1},{"datetime_utc":"2026-05-29T20:00:00Z","aqi":64,"aqi_min":29,"aqi_max":88,"pm25":18.33,"pm10":null,"stations":2},{"datetime_utc":"2026-05-29T21:00:00Z","aqi":38,"aqi_min":37,"aqi_max":40,"pm25":9.2,"pm10":null,"stations":3},{"datetime_utc":"2026-05-29T22:00:00Z","aqi":44,"aqi_min":25,"aqi_max":71,"pm25":10.5,"pm10":null,"stations":4},{"datetime_utc":"2026-05-29T23:00:00Z","aqi":80,"aqi_min":80,"aqi_max":80,"pm25":25.89,"pm10":null,"stations":1},{"datetime_utc":"2026-05-30T00:00:00Z","aqi":63,"aqi_min":28,"aqi_max":87,"pm25":17.97,"pm10":null,"stations":2},{"datetime_utc":"2026-05-30T01:00:00Z","aqi":84,"aqi_min":74,"aqi_max":94,"pm25":27.79,"pm10":null,"stations":2},{"datetime_utc":"2026-05-30T02:00:00Z","aqi":54,"aqi_min":34,"aqi_max":65,"pm25":13.46,"pm10":null,"stations":2},{"datetime_utc":"2026-05-30T03:00:00Z","aqi":67,"aqi_min":42,"aqi_max":88,"pm25":19.89,"pm10":null,"stations":2},{"datetime_utc":"2026-05-30T06:00:00Z","aqi":23,"aqi_min":9,"aqi_max":38,"pm25":5.64,"pm10":null,"stations":2},{"datetime_utc":"2026-05-30T07:00:00Z","aqi":29,"aqi_min":29,"aqi_max":29,"pm25":6.96,"pm10":null,"stations":1},{"datetime_utc":"2026-05-30T08:00:00Z","aqi":26,"aqi_min":25,"aqi_max":27,"pm25":6.24,"pm10":null,"stations":2},{"datetime_utc":"2026-05-30T09:00:00Z","aqi":24,"aqi_min":24,"aqi_max":24,"pm25":5.76,"pm10":null,"stations":1},{"datetime_utc":"2026-05-30T10:00:00Z","aqi":23,"aqi_min":22,"aqi_max":24,"pm25":5.52,"pm10":null,"stations":2}],"daily":[{"date":"2026-05-28","aqi_avg":32,"aqi_min":9,"aqi_max":86,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":8.7,"pm10_avg":null,"hours":9,"stations_avg":2},{"date":"2026-05-29","aqi_avg":40,"aqi_min":7,"aqi_max":91,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":11.0,"pm10_avg":null,"hours":22,"stations_avg":2},{"date":"2026-05-30","aqi_avg":44,"aqi_min":23,"aqi_max":84,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":12.1,"pm10_avg":null,"hours":9,"stations_avg":2}]}