{"city":"Herisau","country":"Switzerland","lat":47.38615036010742,"lon":9.279159545898438,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-06-07T10:00:00Z","aqi":22,"aqi_min":17,"aqi_max":26,"pm25":5.26,"pm10":8.0,"stations":5},{"datetime_utc":"2026-06-07T11:00:00Z","aqi":30,"aqi_min":15,"aqi_max":46,"pm25":7.14,"pm10":null,"stations":4},{"datetime_utc":"2026-06-07T12:00:00Z","aqi":24,"aqi_min":1,"aqi_max":40,"pm25":5.79,"pm10":5.5,"stations":5},{"datetime_utc":"2026-06-07T13:00:00Z","aqi":23,"aqi_min":21,"aqi_max":25,"pm25":5.5,"pm10":7.5,"stations":2},{"datetime_utc":"2026-06-07T14:00:00Z","aqi":22,"aqi_min":4,"aqi_max":36,"pm25":5.32,"pm10":5.67,"stations":7},{"datetime_utc":"2026-06-07T15:00:00Z","aqi":23,"aqi_min":0,"aqi_max":39,"pm25":5.54,"pm10":6.33,"stations":5},{"datetime_utc":"2026-06-07T16:00:00Z","aqi":30,"aqi_min":16,"aqi_max":54,"pm25":7.2,"pm10":8.6,"stations":7},{"datetime_utc":"2026-06-07T17:00:00Z","aqi":27,"aqi_min":10,"aqi_max":33,"pm25":6.39,"pm10":7.44,"stations":6},{"datetime_utc":"2026-06-07T18:00:00Z","aqi":27,"aqi_min":6,"aqi_max":42,"pm25":6.55,"pm10":1.41,"stations":3},{"datetime_utc":"2026-06-07T19:00:00Z","aqi":29,"aqi_min":1,"aqi_max":60,"pm25":6.87,"pm10":1.0,"stations":6},{"datetime_utc":"2026-06-07T20:00:00Z","aqi":15,"aqi_min":2,"aqi_max":34,"pm25":3.61,"pm10":1.5,"stations":3},{"datetime_utc":"2026-06-07T21:00:00Z","aqi":9,"aqi_min":3,"aqi_max":21,"pm25":2.1,"pm10":1.66,"stations":5},{"datetime_utc":"2026-06-07T22:00:00Z","aqi":20,"aqi_min":2,"aqi_max":36,"pm25":4.71,"pm10":1.66,"stations":4},{"datetime_utc":"2026-06-07T23:00:00Z","aqi":18,"aqi_min":8,"aqi_max":27,"pm25":4.19,"pm10":2.0,"stations":3},{"datetime_utc":"2026-06-08T00:00:00Z","aqi":16,"aqi_min":7,"aqi_max":25,"pm25":3.83,"pm10":1.67,"stations":2},{"datetime_utc":"2026-06-08T01:00:00Z","aqi":25,"aqi_min":6,"aqi_max":48,"pm25":5.87,"pm10":2.0,"stations":5},{"datetime_utc":"2026-06-08T02:00:00Z","aqi":22,"aqi_min":8,"aqi_max":30,"pm25":5.18,"pm10":2.0,"stations":4},{"datetime_utc":"2026-06-08T03:00:00Z","aqi":20,"aqi_min":8,"aqi_max":31,"pm25":4.93,"pm10":12.5,"stations":5},{"datetime_utc":"2026-06-08T04:00:00Z","aqi":28,"aqi_min":5,"aqi_max":52,"pm25":6.79,"pm10":1.16,"stations":4},{"datetime_utc":"2026-06-08T05:00:00Z","aqi":25,"aqi_min":4,"aqi_max":46,"pm25":5.87,"pm10":7.25,"stations":6},{"datetime_utc":"2026-06-08T06:00:00Z","aqi":25,"aqi_min":6,"aqi_max":33,"pm25":5.93,"pm10":8.83,"stations":6},{"datetime_utc":"2026-06-08T07:00:00Z","aqi":17,"aqi_min":7,"aqi_max":33,"pm25":4.15,"pm10":7.2,"stations":6},{"datetime_utc":"2026-06-08T08:00:00Z","aqi":29,"aqi_min":10,"aqi_max":50,"pm25":6.88,"pm10":7.85,"stations":6},{"datetime_utc":"2026-06-08T09:00:00Z","aqi":34,"aqi_min":15,"aqi_max":42,"pm25":8.05,"pm10":10.5,"stations":7},{"datetime_utc":"2026-06-08T10:00:00Z","aqi":14,"aqi_min":5,"aqi_max":22,"pm25":3.27,"pm10":2.61,"stations":3},{"datetime_utc":"2026-06-08T11:00:00Z","aqi":25,"aqi_min":1,"aqi_max":41,"pm25":5.94,"pm10":6.01,"stations":7},{"datetime_utc":"2026-06-08T12:00:00Z","aqi":20,"aqi_min":1,"aqi_max":38,"pm25":4.94,"pm10":5.61,"stations":5},{"datetime_utc":"2026-06-08T13:00:00Z","aqi":28,"aqi_min":6,"aqi_max":41,"pm25":6.61,"pm10":5.21,"stations":7},{"datetime_utc":"2026-06-08T14:00:00Z","aqi":21,"aqi_min":3,"aqi_max":38,"pm25":5.03,"pm10":6.28,"stations":7},{"datetime_utc":"2026-06-08T15:00:00Z","aqi":22,"aqi_min":1,"aqi_max":35,"pm25":5.18,"pm10":6.67,"stations":6},{"datetime_utc":"2026-06-08T16:00:00Z","aqi":51,"aqi_min":22,"aqi_max":75,"pm25":12.34,"pm10":25.5,"stations":7},{"datetime_utc":"2026-06-08T17:00:00Z","aqi":39,"aqi_min":17,"aqi_max":63,"pm25":9.36,"pm10":23.5,"stations":5},{"datetime_utc":"2026-06-08T18:00:00Z","aqi":21,"aqi_min":3,"aqi_max":38,"pm25":4.98,"pm10":1.46,"stations":2},{"datetime_utc":"2026-06-08T19:00:00Z","aqi":28,"aqi_min":3,"aqi_max":50,"pm25":6.65,"pm10":0.9,"stations":5},{"datetime_utc":"2026-06-08T20:00:00Z","aqi":16,"aqi_min":5,"aqi_max":27,"pm25":3.92,"pm10":1.7,"stations":4},{"datetime_utc":"2026-06-08T21:00:00Z","aqi":20,"aqi_min":4,"aqi_max":39,"pm25":4.83,"pm10":2.0,"stations":6},{"datetime_utc":"2026-06-08T22:00:00Z","aqi":9,"aqi_min":8,"aqi_max":10,"pm25":2.19,"pm10":2.19,"stations":2},{"datetime_utc":"2026-06-08T23:00:00Z","aqi":16,"aqi_min":7,"aqi_max":32,"pm25":3.88,"pm10":2.54,"stations":5},{"datetime_utc":"2026-06-09T00:00:00Z","aqi":25,"aqi_min":11,"aqi_max":34,"pm25":5.93,"pm10":3.68,"stations":5},{"datetime_utc":"2026-06-09T01:00:00Z","aqi":29,"aqi_min":13,"aqi_max":50,"pm25":7.03,"pm10":6.32,"stations":5},{"datetime_utc":"2026-06-09T02:00:00Z","aqi":24,"aqi_min":10,"aqi_max":34,"pm25":5.82,"pm10":9.46,"stations":7},{"datetime_utc":"2026-06-09T03:00:00Z","aqi":24,"aqi_min":7,"aqi_max":30,"pm25":5.81,"pm10":4.7,"stations":4},{"datetime_utc":"2026-06-09T04:00:00Z","aqi":26,"aqi_min":3,"aqi_max":43,"pm25":6.28,"pm10":9.02,"stations":6},{"datetime_utc":"2026-06-09T05:00:00Z","aqi":30,"aqi_min":10,"aqi_max":50,"pm25":7.21,"pm10":8.92,"stations":7},{"datetime_utc":"2026-06-09T06:00:00Z","aqi":20,"aqi_min":9,"aqi_max":30,"pm25":4.68,"pm10":8.11,"stations":6},{"datetime_utc":"2026-06-09T07:00:00Z","aqi":18,"aqi_min":6,"aqi_max":30,"pm25":4.32,"pm10":6.45,"stations":6},{"datetime_utc":"2026-06-09T08:00:00Z","aqi":11,"aqi_min":3,"aqi_max":26,"pm25":2.71,"pm10":1.16,"stations":3},{"datetime_utc":"2026-06-09T09:00:00Z","aqi":28,"aqi_min":25,"aqi_max":34,"pm25":6.8,"pm10":null,"stations":3}],"daily":[{"date":"2026-06-07","aqi_avg":23,"aqi_min":9,"aqi_max":30,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":5.4,"pm10_avg":4.5,"hours":14,"stations_avg":5},{"date":"2026-06-08","aqi_avg":24,"aqi_min":9,"aqi_max":51,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":5.7,"pm10_avg":6.4,"hours":24,"stations_avg":5},{"date":"2026-06-09","aqi_avg":24,"aqi_min":11,"aqi_max":30,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":5.7,"pm10_avg":6.4,"hours":10,"stations_avg":5}]}