{"city":"Viersen","country":"Germany","lat":51.25434875488281,"lon":6.394410133361816,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-05-28T08:00:00Z","aqi":12,"aqi_min":12,"aqi_max":12,"pm25":3.0,"pm10":null,"stations":1},{"datetime_utc":"2026-05-28T09:00:00Z","aqi":35,"aqi_min":4,"aqi_max":93,"pm25":8.47,"pm10":12.9,"stations":26},{"datetime_utc":"2026-05-28T10:00:00Z","aqi":38,"aqi_min":8,"aqi_max":59,"pm25":9.13,"pm10":23.0,"stations":12},{"datetime_utc":"2026-05-28T11:00:00Z","aqi":32,"aqi_min":4,"aqi_max":53,"pm25":7.85,"pm10":14.33,"stations":18},{"datetime_utc":"2026-05-28T12:00:00Z","aqi":37,"aqi_min":1,"aqi_max":76,"pm25":8.94,"pm10":12.18,"stations":24},{"datetime_utc":"2026-05-28T13:00:00Z","aqi":40,"aqi_min":1,"aqi_max":84,"pm25":9.71,"pm10":19.5,"stations":20},{"datetime_utc":"2026-05-28T14:00:00Z","aqi":33,"aqi_min":4,"aqi_max":55,"pm25":7.94,"pm10":18.5,"stations":17},{"datetime_utc":"2026-05-28T15:00:00Z","aqi":39,"aqi_min":2,"aqi_max":63,"pm25":9.31,"pm10":18.0,"stations":20},{"datetime_utc":"2026-05-28T16:00:00Z","aqi":45,"aqi_min":2,"aqi_max":109,"pm25":10.85,"pm10":13.18,"stations":18},{"datetime_utc":"2026-05-28T17:00:00Z","aqi":29,"aqi_min":2,"aqi_max":60,"pm25":6.99,"pm10":16.11,"stations":22},{"datetime_utc":"2026-05-28T18:00:00Z","aqi":52,"aqi_min":4,"aqi_max":190,"pm25":12.35,"pm10":14.67,"stations":29},{"datetime_utc":"2026-05-28T19:00:00Z","aqi":37,"aqi_min":8,"aqi_max":58,"pm25":8.88,"pm10":20.5,"stations":23},{"datetime_utc":"2026-05-28T20:00:00Z","aqi":54,"aqi_min":4,"aqi_max":182,"pm25":13.34,"pm10":11.0,"stations":22},{"datetime_utc":"2026-05-28T21:00:00Z","aqi":32,"aqi_min":2,"aqi_max":71,"pm25":7.72,"pm10":21.0,"stations":20},{"datetime_utc":"2026-05-28T22:00:00Z","aqi":36,"aqi_min":6,"aqi_max":61,"pm25":8.71,"pm10":17.49,"stations":24},{"datetime_utc":"2026-05-28T23:00:00Z","aqi":38,"aqi_min":8,"aqi_max":65,"pm25":9.01,"pm10":null,"stations":17},{"datetime_utc":"2026-05-29T00:00:00Z","aqi":42,"aqi_min":8,"aqi_max":160,"pm25":10.09,"pm10":11.94,"stations":25},{"datetime_utc":"2026-05-29T01:00:00Z","aqi":23,"aqi_min":1,"aqi_max":49,"pm25":5.55,"pm10":9.58,"stations":19},{"datetime_utc":"2026-05-29T02:00:00Z","aqi":34,"aqi_min":2,"aqi_max":61,"pm25":8.13,"pm10":11.42,"stations":33},{"datetime_utc":"2026-05-29T03:00:00Z","aqi":28,"aqi_min":5,"aqi_max":70,"pm25":6.75,"pm10":12.87,"stations":22},{"datetime_utc":"2026-05-29T04:00:00Z","aqi":27,"aqi_min":5,"aqi_max":63,"pm25":6.38,"pm10":16.11,"stations":27},{"datetime_utc":"2026-05-29T05:00:00Z","aqi":26,"aqi_min":4,"aqi_max":68,"pm25":6.25,"pm10":15.39,"stations":25},{"datetime_utc":"2026-05-29T06:00:00Z","aqi":41,"aqi_min":9,"aqi_max":72,"pm25":9.81,"pm10":34.5,"stations":26},{"datetime_utc":"2026-05-29T07:00:00Z","aqi":38,"aqi_min":4,"aqi_max":96,"pm25":9.11,"pm10":17.27,"stations":24},{"datetime_utc":"2026-05-29T08:00:00Z","aqi":30,"aqi_min":4,"aqi_max":60,"pm25":7.24,"pm10":20.52,"stations":22},{"datetime_utc":"2026-05-29T09:00:00Z","aqi":36,"aqi_min":6,"aqi_max":65,"pm25":8.59,"pm10":28.12,"stations":24},{"datetime_utc":"2026-05-29T10:00:00Z","aqi":41,"aqi_min":8,"aqi_max":57,"pm25":9.79,"pm10":27.81,"stations":22},{"datetime_utc":"2026-05-29T11:00:00Z","aqi":35,"aqi_min":7,"aqi_max":56,"pm25":8.31,"pm10":24.74,"stations":12},{"datetime_utc":"2026-05-29T12:00:00Z","aqi":122,"aqi_min":13,"aqi_max":500,"pm25":44.07,"pm10":25.31,"stations":26},{"datetime_utc":"2026-05-29T13:00:00Z","aqi":32,"aqi_min":5,"aqi_max":55,"pm25":7.72,"pm10":14.71,"stations":23},{"datetime_utc":"2026-05-29T14:00:00Z","aqi":35,"aqi_min":1,"aqi_max":60,"pm25":8.4,"pm10":27.93,"stations":21},{"datetime_utc":"2026-05-29T15:00:00Z","aqi":41,"aqi_min":2,"aqi_max":70,"pm25":9.89,"pm10":26.16,"stations":22},{"datetime_utc":"2026-05-29T16:00:00Z","aqi":50,"aqi_min":9,"aqi_max":70,"pm25":11.94,"pm10":29.51,"stations":26},{"datetime_utc":"2026-05-29T17:00:00Z","aqi":96,"aqi_min":9,"aqi_max":439,"pm25":33.68,"pm10":30.16,"stations":25},{"datetime_utc":"2026-05-29T18:00:00Z","aqi":44,"aqi_min":3,"aqi_max":70,"pm25":10.53,"pm10":25.84,"stations":28},{"datetime_utc":"2026-05-29T19:00:00Z","aqi":39,"aqi_min":3,"aqi_max":68,"pm25":9.38,"pm10":31.37,"stations":31},{"datetime_utc":"2026-05-29T20:00:00Z","aqi":47,"aqi_min":2,"aqi_max":84,"pm25":11.16,"pm10":37.88,"stations":23},{"datetime_utc":"2026-05-29T21:00:00Z","aqi":41,"aqi_min":11,"aqi_max":70,"pm25":9.93,"pm10":28.16,"stations":14},{"datetime_utc":"2026-05-29T22:00:00Z","aqi":40,"aqi_min":5,"aqi_max":86,"pm25":9.59,"pm10":29.95,"stations":23},{"datetime_utc":"2026-05-29T23:00:00Z","aqi":54,"aqi_min":5,"aqi_max":193,"pm25":13.62,"pm10":19.84,"stations":25},{"datetime_utc":"2026-05-30T00:00:00Z","aqi":41,"aqi_min":8,"aqi_max":88,"pm25":9.77,"pm10":27.52,"stations":28},{"datetime_utc":"2026-05-30T01:00:00Z","aqi":47,"aqi_min":13,"aqi_max":76,"pm25":11.22,"pm10":27.4,"stations":24},{"datetime_utc":"2026-05-30T02:00:00Z","aqi":42,"aqi_min":11,"aqi_max":66,"pm25":10.02,"pm10":23.88,"stations":24},{"datetime_utc":"2026-05-30T03:00:00Z","aqi":38,"aqi_min":6,"aqi_max":69,"pm25":9.2,"pm10":23.67,"stations":20},{"datetime_utc":"2026-05-30T04:00:00Z","aqi":50,"aqi_min":9,"aqi_max":65,"pm25":12.02,"pm10":22.05,"stations":16},{"datetime_utc":"2026-05-30T05:00:00Z","aqi":40,"aqi_min":1,"aqi_max":66,"pm25":9.58,"pm10":24.21,"stations":29},{"datetime_utc":"2026-05-30T06:00:00Z","aqi":46,"aqi_min":9,"aqi_max":76,"pm25":11.07,"pm10":26.04,"stations":21},{"datetime_utc":"2026-05-30T07:00:00Z","aqi":60,"aqi_min":48,"aqi_max":85,"pm25":16.24,"pm10":21.31,"stations":5}],"daily":[{"date":"2026-05-28","aqi_avg":37,"aqi_min":12,"aqi_max":54,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":8.9,"pm10_avg":16.6,"hours":16,"stations_avg":20},{"date":"2026-05-29","aqi_avg":43,"aqi_min":23,"aqi_max":122,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":11.5,"pm10_avg":23.2,"hours":24,"stations_avg":24},{"date":"2026-05-30","aqi_avg":46,"aqi_min":38,"aqi_max":60,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":11.1,"pm10_avg":24.5,"hours":8,"stations_avg":21}]}