{"city":"Castricum","country":"Netherlands","lat":52.5483283996582,"lon":4.669439792633057,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-06-07T14:00:00Z","aqi":26,"aqi_min":4,"aqi_max":74,"pm25":6.18,"pm10":9.38,"stations":18},{"datetime_utc":"2026-06-07T15:00:00Z","aqi":23,"aqi_min":5,"aqi_max":61,"pm25":5.51,"pm10":11.07,"stations":24},{"datetime_utc":"2026-06-07T16:00:00Z","aqi":30,"aqi_min":5,"aqi_max":59,"pm25":7.13,"pm10":11.42,"stations":21},{"datetime_utc":"2026-06-07T17:00:00Z","aqi":31,"aqi_min":3,"aqi_max":102,"pm25":7.43,"pm10":9.03,"stations":23},{"datetime_utc":"2026-06-07T18:00:00Z","aqi":22,"aqi_min":6,"aqi_max":50,"pm25":5.33,"pm10":3.96,"stations":17},{"datetime_utc":"2026-06-07T19:00:00Z","aqi":25,"aqi_min":2,"aqi_max":63,"pm25":5.87,"pm10":10.12,"stations":20},{"datetime_utc":"2026-06-07T20:00:00Z","aqi":29,"aqi_min":2,"aqi_max":61,"pm25":7.02,"pm10":9.82,"stations":21},{"datetime_utc":"2026-06-07T21:00:00Z","aqi":21,"aqi_min":5,"aqi_max":53,"pm25":5.07,"pm10":7.42,"stations":8},{"datetime_utc":"2026-06-07T22:00:00Z","aqi":24,"aqi_min":8,"aqi_max":59,"pm25":5.68,"pm10":10.16,"stations":13},{"datetime_utc":"2026-06-07T23:00:00Z","aqi":25,"aqi_min":2,"aqi_max":74,"pm25":5.87,"pm10":13.32,"stations":19},{"datetime_utc":"2026-06-08T00:00:00Z","aqi":26,"aqi_min":4,"aqi_max":78,"pm25":6.17,"pm10":10.66,"stations":20},{"datetime_utc":"2026-06-08T01:00:00Z","aqi":25,"aqi_min":3,"aqi_max":61,"pm25":6.01,"pm10":8.45,"stations":18},{"datetime_utc":"2026-06-08T02:00:00Z","aqi":26,"aqi_min":4,"aqi_max":66,"pm25":6.24,"pm10":12.15,"stations":16},{"datetime_utc":"2026-06-08T03:00:00Z","aqi":34,"aqi_min":9,"aqi_max":69,"pm25":8.18,"pm10":12.72,"stations":23},{"datetime_utc":"2026-06-08T04:00:00Z","aqi":28,"aqi_min":12,"aqi_max":53,"pm25":6.78,"pm10":10.34,"stations":18},{"datetime_utc":"2026-06-08T05:00:00Z","aqi":35,"aqi_min":8,"aqi_max":72,"pm25":8.35,"pm10":7.36,"stations":16},{"datetime_utc":"2026-06-08T06:00:00Z","aqi":32,"aqi_min":5,"aqi_max":68,"pm25":7.76,"pm10":12.08,"stations":20},{"datetime_utc":"2026-06-08T07:00:00Z","aqi":26,"aqi_min":1,"aqi_max":55,"pm25":6.16,"pm10":8.89,"stations":22},{"datetime_utc":"2026-06-08T08:00:00Z","aqi":30,"aqi_min":4,"aqi_max":66,"pm25":7.09,"pm10":8.72,"stations":24},{"datetime_utc":"2026-06-08T09:00:00Z","aqi":29,"aqi_min":6,"aqi_max":78,"pm25":6.88,"pm10":9.76,"stations":21},{"datetime_utc":"2026-06-08T10:00:00Z","aqi":25,"aqi_min":4,"aqi_max":53,"pm25":5.9,"pm10":10.76,"stations":18},{"datetime_utc":"2026-06-08T11:00:00Z","aqi":31,"aqi_min":9,"aqi_max":61,"pm25":7.4,"pm10":4.6,"stations":15},{"datetime_utc":"2026-06-08T12:00:00Z","aqi":27,"aqi_min":9,"aqi_max":63,"pm25":6.54,"pm10":13.7,"stations":18},{"datetime_utc":"2026-06-08T13:00:00Z","aqi":26,"aqi_min":13,"aqi_max":39,"pm25":6.27,"pm10":12.22,"stations":21},{"datetime_utc":"2026-06-08T14:00:00Z","aqi":28,"aqi_min":1,"aqi_max":61,"pm25":6.56,"pm10":13.29,"stations":18},{"datetime_utc":"2026-06-08T15:00:00Z","aqi":27,"aqi_min":13,"aqi_max":57,"pm25":6.55,"pm10":13.58,"stations":15},{"datetime_utc":"2026-06-08T16:00:00Z","aqi":22,"aqi_min":9,"aqi_max":63,"pm25":5.27,"pm10":9.51,"stations":16},{"datetime_utc":"2026-06-08T17:00:00Z","aqi":32,"aqi_min":5,"aqi_max":87,"pm25":7.78,"pm10":8.31,"stations":16},{"datetime_utc":"2026-06-08T18:00:00Z","aqi":19,"aqi_min":7,"aqi_max":45,"pm25":4.52,"pm10":6.86,"stations":12},{"datetime_utc":"2026-06-08T19:00:00Z","aqi":19,"aqi_min":9,"aqi_max":34,"pm25":4.62,"pm10":7.07,"stations":16},{"datetime_utc":"2026-06-08T20:00:00Z","aqi":24,"aqi_min":6,"aqi_max":50,"pm25":5.65,"pm10":6.99,"stations":17},{"datetime_utc":"2026-06-08T21:00:00Z","aqi":30,"aqi_min":2,"aqi_max":59,"pm25":7.17,"pm10":7.63,"stations":14},{"datetime_utc":"2026-06-08T22:00:00Z","aqi":20,"aqi_min":2,"aqi_max":30,"pm25":4.71,"pm10":2.48,"stations":15},{"datetime_utc":"2026-06-08T23:00:00Z","aqi":29,"aqi_min":1,"aqi_max":95,"pm25":6.94,"pm10":6.21,"stations":18},{"datetime_utc":"2026-06-09T00:00:00Z","aqi":25,"aqi_min":4,"aqi_max":53,"pm25":6.0,"pm10":6.51,"stations":17},{"datetime_utc":"2026-06-09T01:00:00Z","aqi":22,"aqi_min":2,"aqi_max":66,"pm25":5.28,"pm10":5.06,"stations":15},{"datetime_utc":"2026-06-09T02:00:00Z","aqi":25,"aqi_min":1,"aqi_max":80,"pm25":6.01,"pm10":4.15,"stations":13},{"datetime_utc":"2026-06-09T03:00:00Z","aqi":28,"aqi_min":4,"aqi_max":55,"pm25":6.84,"pm10":5.3,"stations":23},{"datetime_utc":"2026-06-09T04:00:00Z","aqi":30,"aqi_min":2,"aqi_max":87,"pm25":7.09,"pm10":1.94,"stations":13},{"datetime_utc":"2026-06-09T05:00:00Z","aqi":26,"aqi_min":0,"aqi_max":61,"pm25":6.24,"pm10":5.44,"stations":9},{"datetime_utc":"2026-06-09T06:00:00Z","aqi":30,"aqi_min":2,"aqi_max":55,"pm25":7.13,"pm10":10.17,"stations":20},{"datetime_utc":"2026-06-09T07:00:00Z","aqi":30,"aqi_min":9,"aqi_max":63,"pm25":7.27,"pm10":10.3,"stations":18},{"datetime_utc":"2026-06-09T08:00:00Z","aqi":23,"aqi_min":3,"aqi_max":46,"pm25":5.63,"pm10":7.15,"stations":16},{"datetime_utc":"2026-06-09T09:00:00Z","aqi":15,"aqi_min":2,"aqi_max":38,"pm25":3.64,"pm10":7.86,"stations":9},{"datetime_utc":"2026-06-09T10:00:00Z","aqi":19,"aqi_min":2,"aqi_max":37,"pm25":4.64,"pm10":8.86,"stations":6},{"datetime_utc":"2026-06-09T11:00:00Z","aqi":23,"aqi_min":1,"aqi_max":33,"pm25":5.58,"pm10":11.05,"stations":13},{"datetime_utc":"2026-06-09T12:00:00Z","aqi":22,"aqi_min":2,"aqi_max":32,"pm25":5.17,"pm10":10.91,"stations":13},{"datetime_utc":"2026-06-09T13:00:00Z","aqi":26,"aqi_min":14,"aqi_max":30,"pm25":6.3,"pm10":null,"stations":12}],"daily":[{"date":"2026-06-07","aqi_avg":26,"aqi_min":21,"aqi_max":31,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":6.1,"pm10_avg":9.6,"hours":10,"stations_avg":18},{"date":"2026-06-08","aqi_avg":27,"aqi_min":19,"aqi_max":35,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":6.5,"pm10_avg":9.3,"hours":24,"stations_avg":18},{"date":"2026-06-09","aqi_avg":25,"aqi_min":15,"aqi_max":30,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":5.9,"pm10_avg":7.3,"hours":14,"stations_avg":14}]}