{"city":"Westerlo","country":"Belgium","lat":51.09048843383789,"lon":4.915440082550049,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-05-28T02:00:00Z","aqi":30,"aqi_min":4,"aqi_max":80,"pm25":7.05,"pm10":13.44,"stations":30},{"datetime_utc":"2026-05-28T03:00:00Z","aqi":21,"aqi_min":4,"aqi_max":50,"pm25":5.06,"pm10":13.82,"stations":32},{"datetime_utc":"2026-05-28T04:00:00Z","aqi":26,"aqi_min":3,"aqi_max":46,"pm25":6.31,"pm10":15.25,"stations":31},{"datetime_utc":"2026-05-28T05:00:00Z","aqi":28,"aqi_min":4,"aqi_max":57,"pm25":6.71,"pm10":19.58,"stations":36},{"datetime_utc":"2026-05-28T06:00:00Z","aqi":31,"aqi_min":13,"aqi_max":56,"pm25":7.37,"pm10":23.66,"stations":21},{"datetime_utc":"2026-05-28T07:00:00Z","aqi":33,"aqi_min":7,"aqi_max":50,"pm25":7.91,"pm10":24.33,"stations":39},{"datetime_utc":"2026-05-28T08:00:00Z","aqi":29,"aqi_min":3,"aqi_max":50,"pm25":6.91,"pm10":23.05,"stations":39},{"datetime_utc":"2026-05-28T09:00:00Z","aqi":83,"aqi_min":8,"aqi_max":429,"pm25":27.11,"pm10":22.24,"stations":20},{"datetime_utc":"2026-05-28T10:00:00Z","aqi":33,"aqi_min":5,"aqi_max":56,"pm25":8.03,"pm10":20.01,"stations":35},{"datetime_utc":"2026-05-28T11:00:00Z","aqi":30,"aqi_min":9,"aqi_max":77,"pm25":7.29,"pm10":18.29,"stations":30},{"datetime_utc":"2026-05-28T12:00:00Z","aqi":23,"aqi_min":7,"aqi_max":37,"pm25":5.59,"pm10":18.57,"stations":20},{"datetime_utc":"2026-05-28T13:00:00Z","aqi":29,"aqi_min":2,"aqi_max":55,"pm25":6.93,"pm10":16.54,"stations":35},{"datetime_utc":"2026-05-28T14:00:00Z","aqi":31,"aqi_min":2,"aqi_max":43,"pm25":7.37,"pm10":18.57,"stations":31},{"datetime_utc":"2026-05-28T15:00:00Z","aqi":31,"aqi_min":2,"aqi_max":70,"pm25":7.52,"pm10":18.94,"stations":29},{"datetime_utc":"2026-05-28T16:00:00Z","aqi":38,"aqi_min":9,"aqi_max":102,"pm25":9.1,"pm10":23.78,"stations":21},{"datetime_utc":"2026-05-28T17:00:00Z","aqi":34,"aqi_min":5,"aqi_max":64,"pm25":8.12,"pm10":20.69,"stations":33},{"datetime_utc":"2026-05-28T18:00:00Z","aqi":35,"aqi_min":6,"aqi_max":73,"pm25":8.51,"pm10":19.92,"stations":34},{"datetime_utc":"2026-05-28T19:00:00Z","aqi":26,"aqi_min":9,"aqi_max":42,"pm25":6.19,"pm10":19.92,"stations":18},{"datetime_utc":"2026-05-28T20:00:00Z","aqi":33,"aqi_min":4,"aqi_max":58,"pm25":7.9,"pm10":21.68,"stations":36},{"datetime_utc":"2026-05-28T21:00:00Z","aqi":31,"aqi_min":9,"aqi_max":54,"pm25":7.54,"pm10":21.62,"stations":36},{"datetime_utc":"2026-05-28T22:00:00Z","aqi":25,"aqi_min":5,"aqi_max":44,"pm25":6.15,"pm10":20.6,"stations":27},{"datetime_utc":"2026-05-28T23:00:00Z","aqi":28,"aqi_min":1,"aqi_max":42,"pm25":6.56,"pm10":20.27,"stations":25},{"datetime_utc":"2026-05-29T00:00:00Z","aqi":33,"aqi_min":9,"aqi_max":53,"pm25":7.96,"pm10":17.95,"stations":27},{"datetime_utc":"2026-05-29T01:00:00Z","aqi":28,"aqi_min":10,"aqi_max":61,"pm25":6.84,"pm10":17.35,"stations":27},{"datetime_utc":"2026-05-29T02:00:00Z","aqi":27,"aqi_min":9,"aqi_max":41,"pm25":6.43,"pm10":17.18,"stations":30},{"datetime_utc":"2026-05-29T03:00:00Z","aqi":29,"aqi_min":7,"aqi_max":59,"pm25":6.98,"pm10":18.85,"stations":29},{"datetime_utc":"2026-05-29T04:00:00Z","aqi":29,"aqi_min":5,"aqi_max":47,"pm25":7.05,"pm10":20.96,"stations":24},{"datetime_utc":"2026-05-29T05:00:00Z","aqi":31,"aqi_min":1,"aqi_max":51,"pm25":7.47,"pm10":27.05,"stations":34},{"datetime_utc":"2026-05-29T06:00:00Z","aqi":38,"aqi_min":6,"aqi_max":78,"pm25":9.16,"pm10":32.69,"stations":37},{"datetime_utc":"2026-05-29T07:00:00Z","aqi":37,"aqi_min":5,"aqi_max":93,"pm25":8.85,"pm10":37.08,"stations":35},{"datetime_utc":"2026-05-29T08:00:00Z","aqi":38,"aqi_min":3,"aqi_max":77,"pm25":9.04,"pm10":42.83,"stations":20},{"datetime_utc":"2026-05-29T09:00:00Z","aqi":38,"aqi_min":6,"aqi_max":68,"pm25":9.05,"pm10":42.07,"stations":39},{"datetime_utc":"2026-05-29T10:00:00Z","aqi":39,"aqi_min":6,"aqi_max":64,"pm25":9.34,"pm10":40.6,"stations":23},{"datetime_utc":"2026-05-29T11:00:00Z","aqi":42,"aqi_min":1,"aqi_max":65,"pm25":10.23,"pm10":41.5,"stations":37},{"datetime_utc":"2026-05-29T12:00:00Z","aqi":39,"aqi_min":7,"aqi_max":68,"pm25":9.29,"pm10":45.2,"stations":36},{"datetime_utc":"2026-05-29T13:00:00Z","aqi":43,"aqi_min":7,"aqi_max":71,"pm25":10.32,"pm10":53.61,"stations":33},{"datetime_utc":"2026-05-29T14:00:00Z","aqi":33,"aqi_min":3,"aqi_max":66,"pm25":8.03,"pm10":46.25,"stations":28},{"datetime_utc":"2026-05-29T15:00:00Z","aqi":52,"aqi_min":3,"aqi_max":68,"pm25":12.76,"pm10":40.28,"stations":34},{"datetime_utc":"2026-05-29T16:00:00Z","aqi":41,"aqi_min":4,"aqi_max":77,"pm25":9.79,"pm10":46.1,"stations":22},{"datetime_utc":"2026-05-29T17:00:00Z","aqi":42,"aqi_min":8,"aqi_max":72,"pm25":9.98,"pm10":39.8,"stations":33},{"datetime_utc":"2026-05-29T18:00:00Z","aqi":47,"aqi_min":13,"aqi_max":79,"pm25":11.21,"pm10":39.35,"stations":21},{"datetime_utc":"2026-05-29T19:00:00Z","aqi":55,"aqi_min":17,"aqi_max":109,"pm25":14.02,"pm10":36.75,"stations":39},{"datetime_utc":"2026-05-29T20:00:00Z","aqi":50,"aqi_min":13,"aqi_max":77,"pm25":11.85,"pm10":38.85,"stations":24},{"datetime_utc":"2026-05-29T21:00:00Z","aqi":47,"aqi_min":5,"aqi_max":73,"pm25":11.28,"pm10":37.83,"stations":32},{"datetime_utc":"2026-05-29T22:00:00Z","aqi":55,"aqi_min":4,"aqi_max":68,"pm25":14.16,"pm10":31.03,"stations":22},{"datetime_utc":"2026-05-29T23:00:00Z","aqi":44,"aqi_min":1,"aqi_max":74,"pm25":10.58,"pm10":26.66,"stations":31},{"datetime_utc":"2026-05-30T00:00:00Z","aqi":43,"aqi_min":5,"aqi_max":64,"pm25":10.28,"pm10":26.18,"stations":33},{"datetime_utc":"2026-05-30T01:00:00Z","aqi":54,"aqi_min":24,"aqi_max":67,"pm25":13.63,"pm10":10.94,"stations":29},{"datetime_utc":"2026-05-30T02:00:00Z","aqi":70,"aqi_min":70,"aqi_max":70,"pm25":21.13,"pm10":null,"stations":1}],"daily":[{"date":"2026-05-28","aqi_avg":32,"aqi_min":21,"aqi_max":83,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":8.1,"pm10_avg":19.8,"hours":22,"stations_avg":30},{"date":"2026-05-29","aqi_avg":40,"aqi_min":27,"aqi_max":55,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":9.7,"pm10_avg":34.9,"hours":24,"stations_avg":30},{"date":"2026-05-30","aqi_avg":56,"aqi_min":43,"aqi_max":70,"aqi_color":"#d97706","aqi_label":"Moderate","pm25_avg":15.0,"pm10_avg":18.6,"hours":3,"stations_avg":21}]}