{"city":"Tsukuba","country":"Japan","lat":36.08332824707031,"lon":140.11666870117188,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-05-28T01:00:00Z","aqi":31,"aqi_min":2,"aqi_max":181,"pm25":7.48,"pm10":3.0,"stations":46},{"datetime_utc":"2026-05-28T02:00:00Z","aqi":27,"aqi_min":2,"aqi_max":55,"pm25":6.37,"pm10":null,"stations":41},{"datetime_utc":"2026-05-28T03:00:00Z","aqi":23,"aqi_min":5,"aqi_max":65,"pm25":5.56,"pm10":null,"stations":24},{"datetime_utc":"2026-05-28T04:00:00Z","aqi":27,"aqi_min":2,"aqi_max":55,"pm25":6.37,"pm10":3.0,"stations":43},{"datetime_utc":"2026-05-28T05:00:00Z","aqi":29,"aqi_min":8,"aqi_max":82,"pm25":6.99,"pm10":3.0,"stations":44},{"datetime_utc":"2026-05-28T06:00:00Z","aqi":30,"aqi_min":2,"aqi_max":71,"pm25":7.09,"pm10":null,"stations":43},{"datetime_utc":"2026-05-28T07:00:00Z","aqi":34,"aqi_min":4,"aqi_max":65,"pm25":8.17,"pm10":3.0,"stations":33},{"datetime_utc":"2026-05-28T08:00:00Z","aqi":29,"aqi_min":6,"aqi_max":60,"pm25":6.87,"pm10":11.96,"stations":48},{"datetime_utc":"2026-05-28T09:00:00Z","aqi":31,"aqi_min":5,"aqi_max":63,"pm25":7.41,"pm10":1.3,"stations":31},{"datetime_utc":"2026-05-28T10:00:00Z","aqi":36,"aqi_min":8,"aqi_max":61,"pm25":8.66,"pm10":null,"stations":22},{"datetime_utc":"2026-05-28T11:00:00Z","aqi":29,"aqi_min":2,"aqi_max":55,"pm25":6.89,"pm10":10.0,"stations":38},{"datetime_utc":"2026-05-28T12:00:00Z","aqi":33,"aqi_min":10,"aqi_max":72,"pm25":7.87,"pm10":null,"stations":39},{"datetime_utc":"2026-05-28T13:00:00Z","aqi":35,"aqi_min":6,"aqi_max":72,"pm25":8.46,"pm10":9.0,"stations":51},{"datetime_utc":"2026-05-28T14:00:00Z","aqi":36,"aqi_min":9,"aqi_max":68,"pm25":8.6,"pm10":5.05,"stations":21},{"datetime_utc":"2026-05-28T15:00:00Z","aqi":38,"aqi_min":5,"aqi_max":92,"pm25":9.0,"pm10":8.64,"stations":39},{"datetime_utc":"2026-05-28T16:00:00Z","aqi":56,"aqi_min":5,"aqi_max":204,"pm25":14.6,"pm10":7.47,"stations":44},{"datetime_utc":"2026-05-28T17:00:00Z","aqi":28,"aqi_min":1,"aqi_max":88,"pm25":6.75,"pm10":4.8,"stations":40},{"datetime_utc":"2026-05-28T18:00:00Z","aqi":31,"aqi_min":2,"aqi_max":80,"pm25":7.4,"pm10":7.56,"stations":43},{"datetime_utc":"2026-05-28T19:00:00Z","aqi":37,"aqi_min":4,"aqi_max":109,"pm25":8.76,"pm10":10.41,"stations":40},{"datetime_utc":"2026-05-28T20:00:00Z","aqi":34,"aqi_min":9,"aqi_max":59,"pm25":8.07,"pm10":12.46,"stations":42},{"datetime_utc":"2026-05-28T21:00:00Z","aqi":33,"aqi_min":1,"aqi_max":59,"pm25":7.97,"pm10":6.82,"stations":41},{"datetime_utc":"2026-05-28T22:00:00Z","aqi":28,"aqi_min":5,"aqi_max":58,"pm25":6.75,"pm10":6.29,"stations":33},{"datetime_utc":"2026-05-28T23:00:00Z","aqi":35,"aqi_min":3,"aqi_max":92,"pm25":8.5,"pm10":8.0,"stations":30},{"datetime_utc":"2026-05-29T00:00:00Z","aqi":27,"aqi_min":5,"aqi_max":53,"pm25":6.55,"pm10":4.0,"stations":26},{"datetime_utc":"2026-05-29T01:00:00Z","aqi":51,"aqi_min":4,"aqi_max":139,"pm25":12.16,"pm10":4.0,"stations":35},{"datetime_utc":"2026-05-29T02:00:00Z","aqi":35,"aqi_min":9,"aqi_max":72,"pm25":8.5,"pm10":6.0,"stations":38},{"datetime_utc":"2026-05-29T03:00:00Z","aqi":43,"aqi_min":9,"aqi_max":74,"pm25":10.41,"pm10":6.0,"stations":27},{"datetime_utc":"2026-05-29T04:00:00Z","aqi":42,"aqi_min":9,"aqi_max":144,"pm25":10.15,"pm10":2.56,"stations":46},{"datetime_utc":"2026-05-29T05:00:00Z","aqi":45,"aqi_min":5,"aqi_max":75,"pm25":10.75,"pm10":9.72,"stations":41},{"datetime_utc":"2026-05-29T06:00:00Z","aqi":39,"aqi_min":6,"aqi_max":89,"pm25":9.33,"pm10":null,"stations":47},{"datetime_utc":"2026-05-29T07:00:00Z","aqi":40,"aqi_min":9,"aqi_max":69,"pm25":9.64,"pm10":7.0,"stations":43},{"datetime_utc":"2026-05-29T08:00:00Z","aqi":30,"aqi_min":3,"aqi_max":65,"pm25":7.3,"pm10":3.85,"stations":34},{"datetime_utc":"2026-05-29T09:00:00Z","aqi":37,"aqi_min":9,"aqi_max":134,"pm25":8.88,"pm10":7.0,"stations":37},{"datetime_utc":"2026-05-29T10:00:00Z","aqi":40,"aqi_min":9,"aqi_max":71,"pm25":9.59,"pm10":7.0,"stations":41},{"datetime_utc":"2026-05-29T11:00:00Z","aqi":34,"aqi_min":5,"aqi_max":65,"pm25":8.14,"pm10":5.1,"stations":27},{"datetime_utc":"2026-05-29T12:00:00Z","aqi":37,"aqi_min":7,"aqi_max":68,"pm25":8.85,"pm10":1.39,"stations":31},{"datetime_utc":"2026-05-29T13:00:00Z","aqi":40,"aqi_min":9,"aqi_max":103,"pm25":9.47,"pm10":3.19,"stations":37},{"datetime_utc":"2026-05-29T14:00:00Z","aqi":35,"aqi_min":1,"aqi_max":65,"pm25":8.3,"pm10":1.22,"stations":30},{"datetime_utc":"2026-05-29T15:00:00Z","aqi":37,"aqi_min":5,"aqi_max":91,"pm25":8.77,"pm10":1.17,"stations":30},{"datetime_utc":"2026-05-29T16:00:00Z","aqi":35,"aqi_min":6,"aqi_max":105,"pm25":8.34,"pm10":3.92,"stations":59},{"datetime_utc":"2026-05-29T17:00:00Z","aqi":34,"aqi_min":10,"aqi_max":57,"pm25":8.18,"pm10":6.16,"stations":40},{"datetime_utc":"2026-05-29T18:00:00Z","aqi":39,"aqi_min":13,"aqi_max":71,"pm25":9.32,"pm10":null,"stations":27},{"datetime_utc":"2026-05-29T19:00:00Z","aqi":47,"aqi_min":9,"aqi_max":116,"pm25":11.21,"pm10":6.41,"stations":31},{"datetime_utc":"2026-05-29T20:00:00Z","aqi":29,"aqi_min":9,"aqi_max":70,"pm25":6.88,"pm10":4.91,"stations":39},{"datetime_utc":"2026-05-29T21:00:00Z","aqi":31,"aqi_min":9,"aqi_max":65,"pm25":7.49,"pm10":5.0,"stations":46},{"datetime_utc":"2026-05-29T22:00:00Z","aqi":32,"aqi_min":9,"aqi_max":68,"pm25":7.77,"pm10":4.0,"stations":45},{"datetime_utc":"2026-05-29T23:00:00Z","aqi":93,"aqi_min":4,"aqi_max":500,"pm25":31.88,"pm10":1.0,"stations":46},{"datetime_utc":"2026-05-30T00:00:00Z","aqi":17,"aqi_min":17,"aqi_max":17,"pm25":4.12,"pm10":4.15,"stations":1}],"daily":[{"date":"2026-05-28","aqi_avg":33,"aqi_min":23,"aqi_max":56,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":7.9,"pm10_avg":6.8,"hours":23,"stations_avg":38},{"date":"2026-05-29","aqi_avg":40,"aqi_min":27,"aqi_max":93,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":9.9,"pm10_avg":4.6,"hours":24,"stations_avg":38},{"date":"2026-05-30","aqi_avg":17,"aqi_min":17,"aqi_max":17,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":4.1,"pm10_avg":4.2,"hours":1,"stations_avg":1}]}