{"city":"Erkelenz","country":"Germany","lat":51.079471588134766,"lon":6.315310001373291,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-07-20T21:00:00Z","aqi":31,"aqi_min":31,"aqi_max":31,"pm25":7.440000057220459,"pm10":null,"stations":2},{"datetime_utc":"2026-07-21T21:00:00Z","aqi":34,"aqi_min":34,"aqi_max":34,"pm25":8.15999984741211,"pm10":null,"stations":1},{"datetime_utc":"2026-07-22T02:00:00Z","aqi":17,"aqi_min":17,"aqi_max":17,"pm25":4.079999923706055,"pm10":null,"stations":2},{"datetime_utc":"2026-07-22T03:00:00Z","aqi":15,"aqi_min":15,"aqi_max":15,"pm25":3.5999999046325684,"pm10":null,"stations":2}],"daily":[{"date":"2026-07-20","aqi_avg":31,"aqi_min":31,"aqi_max":31,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":7.4,"pm10_avg":null,"hours":1,"stations_avg":2},{"date":"2026-07-21","aqi_avg":34,"aqi_min":34,"aqi_max":34,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":8.2,"pm10_avg":null,"hours":1,"stations_avg":1},{"date":"2026-07-22","aqi_avg":16,"aqi_min":15,"aqi_max":17,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":3.8,"pm10_avg":null,"hours":2,"stations_avg":2}]}