{"city":"Witten","country":"Germany","lat":51.44361877441406,"lon":7.3525800704956055,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-05-28T10:00:00Z","aqi":32,"aqi_min":5,"aqi_max":65,"pm25":7.67,"pm10":null,"stations":19},{"datetime_utc":"2026-05-28T11:00:00Z","aqi":32,"aqi_min":12,"aqi_max":52,"pm25":7.85,"pm10":null,"stations":19},{"datetime_utc":"2026-05-28T12:00:00Z","aqi":40,"aqi_min":21,"aqi_max":65,"pm25":9.58,"pm10":null,"stations":24},{"datetime_utc":"2026-05-28T13:00:00Z","aqi":39,"aqi_min":20,"aqi_max":61,"pm25":9.4,"pm10":null,"stations":19},{"datetime_utc":"2026-05-28T14:00:00Z","aqi":41,"aqi_min":7,"aqi_max":64,"pm25":9.79,"pm10":null,"stations":14},{"datetime_utc":"2026-05-28T15:00:00Z","aqi":38,"aqi_min":18,"aqi_max":53,"pm25":9.15,"pm10":null,"stations":12},{"datetime_utc":"2026-05-28T16:00:00Z","aqi":28,"aqi_min":10,"aqi_max":65,"pm25":6.8,"pm10":null,"stations":16},{"datetime_utc":"2026-05-28T17:00:00Z","aqi":50,"aqi_min":6,"aqi_max":112,"pm25":12.01,"pm10":null,"stations":14},{"datetime_utc":"2026-05-28T18:00:00Z","aqi":36,"aqi_min":8,"aqi_max":72,"pm25":8.62,"pm10":null,"stations":27},{"datetime_utc":"2026-05-28T19:00:00Z","aqi":41,"aqi_min":32,"aqi_max":57,"pm25":9.92,"pm10":null,"stations":22},{"datetime_utc":"2026-05-28T20:00:00Z","aqi":28,"aqi_min":13,"aqi_max":46,"pm25":6.82,"pm10":4.25,"stations":11},{"datetime_utc":"2026-05-28T21:00:00Z","aqi":42,"aqi_min":4,"aqi_max":105,"pm25":9.96,"pm10":2.0,"stations":21},{"datetime_utc":"2026-05-28T22:00:00Z","aqi":35,"aqi_min":5,"aqi_max":53,"pm25":8.35,"pm10":1.47,"stations":26},{"datetime_utc":"2026-05-28T23:00:00Z","aqi":27,"aqi_min":1,"aqi_max":50,"pm25":6.53,"pm10":3.76,"stations":16},{"datetime_utc":"2026-05-29T00:00:00Z","aqi":35,"aqi_min":6,"aqi_max":74,"pm25":8.48,"pm10":1.53,"stations":15},{"datetime_utc":"2026-05-29T01:00:00Z","aqi":40,"aqi_min":12,"aqi_max":72,"pm25":9.48,"pm10":2.81,"stations":13},{"datetime_utc":"2026-05-29T02:00:00Z","aqi":40,"aqi_min":2,"aqi_max":68,"pm25":9.54,"pm10":4.28,"stations":15},{"datetime_utc":"2026-05-29T03:00:00Z","aqi":26,"aqi_min":5,"aqi_max":56,"pm25":6.31,"pm10":3.87,"stations":22},{"datetime_utc":"2026-05-29T04:00:00Z","aqi":26,"aqi_min":11,"aqi_max":63,"pm25":6.22,"pm10":2.89,"stations":23},{"datetime_utc":"2026-05-29T05:00:00Z","aqi":28,"aqi_min":3,"aqi_max":68,"pm25":6.58,"pm10":3.58,"stations":22},{"datetime_utc":"2026-05-29T06:00:00Z","aqi":36,"aqi_min":8,"aqi_max":55,"pm25":8.66,"pm10":2.05,"stations":12},{"datetime_utc":"2026-05-29T07:00:00Z","aqi":46,"aqi_min":7,"aqi_max":97,"pm25":11.09,"pm10":1.66,"stations":13},{"datetime_utc":"2026-05-29T08:00:00Z","aqi":29,"aqi_min":10,"aqi_max":43,"pm25":6.91,"pm10":3.25,"stations":12},{"datetime_utc":"2026-05-29T09:00:00Z","aqi":29,"aqi_min":12,"aqi_max":52,"pm25":7.0,"pm10":4.33,"stations":14},{"datetime_utc":"2026-05-29T10:00:00Z","aqi":42,"aqi_min":20,"aqi_max":69,"pm25":10.02,"pm10":8.05,"stations":9},{"datetime_utc":"2026-05-29T11:00:00Z","aqi":40,"aqi_min":8,"aqi_max":74,"pm25":9.49,"pm10":7.15,"stations":24},{"datetime_utc":"2026-05-29T12:00:00Z","aqi":46,"aqi_min":20,"aqi_max":70,"pm25":11.04,"pm10":10.07,"stations":18},{"datetime_utc":"2026-05-29T13:00:00Z","aqi":39,"aqi_min":1,"aqi_max":53,"pm25":9.34,"pm10":9.38,"stations":16},{"datetime_utc":"2026-05-29T14:00:00Z","aqi":44,"aqi_min":19,"aqi_max":56,"pm25":10.57,"pm10":9.15,"stations":10},{"datetime_utc":"2026-05-29T15:00:00Z","aqi":48,"aqi_min":12,"aqi_max":70,"pm25":11.65,"pm10":12.41,"stations":14},{"datetime_utc":"2026-05-29T16:00:00Z","aqi":40,"aqi_min":3,"aqi_max":93,"pm25":9.7,"pm10":10.56,"stations":24},{"datetime_utc":"2026-05-29T17:00:00Z","aqi":51,"aqi_min":17,"aqi_max":67,"pm25":12.06,"pm10":11.51,"stations":28},{"datetime_utc":"2026-05-29T18:00:00Z","aqi":38,"aqi_min":1,"aqi_max":56,"pm25":9.08,"pm10":6.92,"stations":17},{"datetime_utc":"2026-05-29T19:00:00Z","aqi":42,"aqi_min":8,"aqi_max":66,"pm25":10.18,"pm10":9.15,"stations":23},{"datetime_utc":"2026-05-29T20:00:00Z","aqi":35,"aqi_min":20,"aqi_max":54,"pm25":8.45,"pm10":6.23,"stations":21},{"datetime_utc":"2026-05-29T21:00:00Z","aqi":49,"aqi_min":19,"aqi_max":70,"pm25":11.81,"pm10":6.15,"stations":20},{"datetime_utc":"2026-05-29T22:00:00Z","aqi":35,"aqi_min":16,"aqi_max":66,"pm25":8.4,"pm10":7.46,"stations":28},{"datetime_utc":"2026-05-29T23:00:00Z","aqi":31,"aqi_min":10,"aqi_max":53,"pm25":7.53,"pm10":9.02,"stations":22},{"datetime_utc":"2026-05-30T00:00:00Z","aqi":30,"aqi_min":12,"aqi_max":51,"pm25":7.32,"pm10":12.15,"stations":11},{"datetime_utc":"2026-05-30T01:00:00Z","aqi":38,"aqi_min":20,"aqi_max":59,"pm25":8.99,"pm10":16.79,"stations":9},{"datetime_utc":"2026-05-30T02:00:00Z","aqi":39,"aqi_min":9,"aqi_max":61,"pm25":9.33,"pm10":16.51,"stations":23},{"datetime_utc":"2026-05-30T03:00:00Z","aqi":41,"aqi_min":12,"aqi_max":85,"pm25":9.82,"pm10":28.97,"stations":20},{"datetime_utc":"2026-05-30T04:00:00Z","aqi":29,"aqi_min":1,"aqi_max":78,"pm25":7.02,"pm10":26.48,"stations":12},{"datetime_utc":"2026-05-30T05:00:00Z","aqi":41,"aqi_min":5,"aqi_max":65,"pm25":9.86,"pm10":16.43,"stations":14},{"datetime_utc":"2026-05-30T06:00:00Z","aqi":33,"aqi_min":17,"aqi_max":46,"pm25":7.86,"pm10":9.12,"stations":13},{"datetime_utc":"2026-05-30T07:00:00Z","aqi":43,"aqi_min":14,"aqi_max":74,"pm25":10.44,"pm10":10.56,"stations":31},{"datetime_utc":"2026-05-30T08:00:00Z","aqi":30,"aqi_min":8,"aqi_max":47,"pm25":7.17,"pm10":9.74,"stations":15},{"datetime_utc":"2026-05-30T09:00:00Z","aqi":26,"aqi_min":26,"aqi_max":26,"pm25":6.2,"pm10":6.87,"stations":1}],"daily":[{"date":"2026-05-28","aqi_avg":36,"aqi_min":27,"aqi_max":50,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":8.7,"pm10_avg":2.9,"hours":14,"stations_avg":19},{"date":"2026-05-29","aqi_avg":38,"aqi_min":26,"aqi_max":51,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":9.1,"pm10_avg":6.4,"hours":24,"stations_avg":18},{"date":"2026-05-30","aqi_avg":35,"aqi_min":26,"aqi_max":43,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":8.4,"pm10_avg":15.4,"hours":10,"stations_avg":15}]}