{"city":"Cheltenham","country":"United Kingdom","lat":51.90005874633789,"lon":-2.0797200202941895,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-05-27T23:00:00Z","aqi":51,"aqi_min":51,"aqi_max":51,"pm25":12.05,"pm10":18.92,"stations":1},{"datetime_utc":"2026-05-28T00:00:00Z","aqi":54,"aqi_min":40,"aqi_max":62,"pm25":13.45,"pm10":14.51,"stations":2},{"datetime_utc":"2026-05-28T01:00:00Z","aqi":31,"aqi_min":31,"aqi_max":31,"pm25":7.41,"pm10":8.25,"stations":2},{"datetime_utc":"2026-05-28T02:00:00Z","aqi":38,"aqi_min":22,"aqi_max":53,"pm25":9.19,"pm10":5.56,"stations":2},{"datetime_utc":"2026-05-28T03:00:00Z","aqi":32,"aqi_min":18,"aqi_max":46,"pm25":7.72,"pm10":4.51,"stations":2},{"datetime_utc":"2026-05-28T04:00:00Z","aqi":13,"aqi_min":13,"aqi_max":13,"pm25":3.2,"pm10":6.33,"stations":1},{"datetime_utc":"2026-05-28T05:00:00Z","aqi":81,"aqi_min":12,"aqi_max":137,"pm25":26.59,"pm10":3.56,"stations":2},{"datetime_utc":"2026-05-28T06:00:00Z","aqi":10,"aqi_min":10,"aqi_max":10,"pm25":2.43,"pm10":3.64,"stations":1},{"datetime_utc":"2026-05-28T07:00:00Z","aqi":15,"aqi_min":15,"aqi_max":15,"pm25":3.56,"pm10":4.58,"stations":1},{"datetime_utc":"2026-05-28T08:00:00Z","aqi":43,"aqi_min":13,"aqi_max":72,"pm25":10.45,"pm10":3.41,"stations":3},{"datetime_utc":"2026-05-28T09:00:00Z","aqi":32,"aqi_min":23,"aqi_max":40,"pm25":7.6,"pm10":12.1,"stations":2},{"datetime_utc":"2026-05-28T10:00:00Z","aqi":51,"aqi_min":34,"aqi_max":60,"pm25":12.23,"pm10":17.58,"stations":3},{"datetime_utc":"2026-05-28T11:00:00Z","aqi":37,"aqi_min":37,"aqi_max":37,"pm25":8.76,"pm10":9.07,"stations":1},{"datetime_utc":"2026-05-28T12:00:00Z","aqi":20,"aqi_min":20,"aqi_max":20,"pm25":4.84,"pm10":5.48,"stations":1},{"datetime_utc":"2026-05-28T13:00:00Z","aqi":32,"aqi_min":17,"aqi_max":57,"pm25":7.82,"pm10":5.3,"stations":3},{"datetime_utc":"2026-05-28T14:00:00Z","aqi":42,"aqi_min":30,"aqi_max":53,"pm25":10.06,"pm10":7.2,"stations":2},{"datetime_utc":"2026-05-28T15:00:00Z","aqi":39,"aqi_min":20,"aqi_max":55,"pm25":9.38,"pm10":5.28,"stations":2},{"datetime_utc":"2026-05-28T16:00:00Z","aqi":33,"aqi_min":18,"aqi_max":47,"pm25":7.85,"pm10":4.58,"stations":2},{"datetime_utc":"2026-05-28T17:00:00Z","aqi":30,"aqi_min":19,"aqi_max":41,"pm25":7.19,"pm10":4.58,"stations":2},{"datetime_utc":"2026-05-28T18:00:00Z","aqi":42,"aqi_min":42,"aqi_max":42,"pm25":10.07,"pm10":11.97,"stations":1},{"datetime_utc":"2026-05-28T19:00:00Z","aqi":39,"aqi_min":30,"aqi_max":50,"pm25":9.4,"pm10":9.43,"stations":3},{"datetime_utc":"2026-05-28T20:00:00Z","aqi":50,"aqi_min":35,"aqi_max":57,"pm25":11.85,"pm10":12.3,"stations":3},{"datetime_utc":"2026-05-28T21:00:00Z","aqi":69,"aqi_min":28,"aqi_max":109,"pm25":20.76,"pm10":8.22,"stations":3},{"datetime_utc":"2026-05-28T22:00:00Z","aqi":32,"aqi_min":19,"aqi_max":46,"pm25":7.75,"pm10":7.23,"stations":2},{"datetime_utc":"2026-05-28T23:00:00Z","aqi":22,"aqi_min":18,"aqi_max":26,"pm25":5.33,"pm10":5.89,"stations":2},{"datetime_utc":"2026-05-29T00:00:00Z","aqi":19,"aqi_min":19,"aqi_max":19,"pm25":4.51,"pm10":4.82,"stations":1},{"datetime_utc":"2026-05-29T01:00:00Z","aqi":28,"aqi_min":28,"aqi_max":28,"pm25":6.82,"pm10":8.46,"stations":1},{"datetime_utc":"2026-05-29T02:00:00Z","aqi":25,"aqi_min":21,"aqi_max":30,"pm25":6.06,"pm10":9.05,"stations":2},{"datetime_utc":"2026-05-29T03:00:00Z","aqi":29,"aqi_min":29,"aqi_max":29,"pm25":6.95,"pm10":8.41,"stations":2},{"datetime_utc":"2026-05-29T04:00:00Z","aqi":38,"aqi_min":28,"aqi_max":53,"pm25":9.18,"pm10":7.07,"stations":3},{"datetime_utc":"2026-05-29T05:00:00Z","aqi":30,"aqi_min":25,"aqi_max":36,"pm25":7.32,"pm10":8.17,"stations":2},{"datetime_utc":"2026-05-29T06:00:00Z","aqi":79,"aqi_min":13,"aqi_max":132,"pm25":25.63,"pm10":3.38,"stations":2},{"datetime_utc":"2026-05-29T07:00:00Z","aqi":4,"aqi_min":4,"aqi_max":4,"pm25":1.0,"pm10":1.28,"stations":1},{"datetime_utc":"2026-05-29T08:00:00Z","aqi":12,"aqi_min":12,"aqi_max":12,"pm25":2.89,"pm10":3.23,"stations":1},{"datetime_utc":"2026-05-29T09:00:00Z","aqi":19,"aqi_min":2,"aqi_max":36,"pm25":4.63,"pm10":2.35,"stations":2},{"datetime_utc":"2026-05-29T10:00:00Z","aqi":8,"aqi_min":8,"aqi_max":8,"pm25":1.97,"pm10":2.05,"stations":1},{"datetime_utc":"2026-05-29T11:00:00Z","aqi":28,"aqi_min":14,"aqi_max":42,"pm25":6.79,"pm10":4.15,"stations":3},{"datetime_utc":"2026-05-29T13:00:00Z","aqi":38,"aqi_min":38,"aqi_max":38,"pm25":9.12,"pm10":null,"stations":1},{"datetime_utc":"2026-05-29T14:00:00Z","aqi":48,"aqi_min":42,"aqi_max":56,"pm25":11.55,"pm10":null,"stations":3},{"datetime_utc":"2026-05-29T15:00:00Z","aqi":360,"aqi_min":33,"aqi_max":500,"pm25":325.11,"pm10":null,"stations":2},{"datetime_utc":"2026-05-29T18:00:00Z","aqi":56,"aqi_min":56,"aqi_max":56,"pm25":14.48,"pm10":null,"stations":1},{"datetime_utc":"2026-05-29T19:00:00Z","aqi":0,"aqi_min":0,"aqi_max":0,"pm25":0.12,"pm10":1.25,"stations":1},{"datetime_utc":"2026-05-29T20:00:00Z","aqi":18,"aqi_min":18,"aqi_max":18,"pm25":4.32,"pm10":null,"stations":1},{"datetime_utc":"2026-05-29T21:00:00Z","aqi":21,"aqi_min":8,"aqi_max":34,"pm25":4.96,"pm10":2.23,"stations":2},{"datetime_utc":"2026-05-29T22:00:00Z","aqi":16,"aqi_min":3,"aqi_max":30,"pm25":3.93,"pm10":2.19,"stations":2}],"daily":[{"date":"2026-05-27","aqi_avg":51,"aqi_min":51,"aqi_max":51,"aqi_color":"#d97706","aqi_label":"Moderate","pm25_avg":12.1,"pm10_avg":18.9,"hours":1,"stations_avg":1},{"date":"2026-05-28","aqi_avg":37,"aqi_min":10,"aqi_max":81,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":9.4,"pm10_avg":7.5,"hours":24,"stations_avg":2},{"date":"2026-05-29","aqi_avg":46,"aqi_min":4,"aqi_max":360,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":22.9,"pm10_avg":4.5,"hours":20,"stations_avg":2}]}