{"city":"Yōkaichiba","country":"Japan","lat":35.70000076293945,"lon":140.5500030517578,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-05-27T18:00:00Z","aqi":28,"aqi_min":5,"aqi_max":70,"pm25":6.8,"pm10":null,"stations":41},{"datetime_utc":"2026-05-27T19:00:00Z","aqi":15,"aqi_min":5,"aqi_max":38,"pm25":3.71,"pm10":null,"stations":33},{"datetime_utc":"2026-05-27T20:00:00Z","aqi":18,"aqi_min":4,"aqi_max":52,"pm25":4.28,"pm10":null,"stations":33},{"datetime_utc":"2026-05-27T21:00:00Z","aqi":22,"aqi_min":4,"aqi_max":67,"pm25":5.33,"pm10":null,"stations":35},{"datetime_utc":"2026-05-27T22:00:00Z","aqi":24,"aqi_min":5,"aqi_max":46,"pm25":5.78,"pm10":null,"stations":28},{"datetime_utc":"2026-05-27T23:00:00Z","aqi":20,"aqi_min":5,"aqi_max":38,"pm25":4.67,"pm10":null,"stations":32},{"datetime_utc":"2026-05-28T00:00:00Z","aqi":27,"aqi_min":5,"aqi_max":61,"pm25":6.55,"pm10":null,"stations":26},{"datetime_utc":"2026-05-28T01:00:00Z","aqi":28,"aqi_min":4,"aqi_max":72,"pm25":6.81,"pm10":null,"stations":33},{"datetime_utc":"2026-05-28T02:00:00Z","aqi":33,"aqi_min":12,"aqi_max":80,"pm25":7.91,"pm10":null,"stations":21},{"datetime_utc":"2026-05-28T03:00:00Z","aqi":30,"aqi_min":17,"aqi_max":73,"pm25":7.33,"pm10":null,"stations":17},{"datetime_utc":"2026-05-28T04:00:00Z","aqi":29,"aqi_min":13,"aqi_max":46,"pm25":6.95,"pm10":null,"stations":24},{"datetime_utc":"2026-05-28T05:00:00Z","aqi":39,"aqi_min":11,"aqi_max":72,"pm25":9.34,"pm10":null,"stations":20},{"datetime_utc":"2026-05-28T06:00:00Z","aqi":30,"aqi_min":7,"aqi_max":71,"pm25":7.28,"pm10":null,"stations":28},{"datetime_utc":"2026-05-28T07:00:00Z","aqi":33,"aqi_min":9,"aqi_max":72,"pm25":7.96,"pm10":null,"stations":23},{"datetime_utc":"2026-05-28T08:00:00Z","aqi":31,"aqi_min":13,"aqi_max":60,"pm25":7.54,"pm10":null,"stations":27},{"datetime_utc":"2026-05-28T09:00:00Z","aqi":27,"aqi_min":9,"aqi_max":50,"pm25":6.35,"pm10":null,"stations":20},{"datetime_utc":"2026-05-28T10:00:00Z","aqi":39,"aqi_min":17,"aqi_max":70,"pm25":9.39,"pm10":null,"stations":12},{"datetime_utc":"2026-05-28T11:00:00Z","aqi":35,"aqi_min":10,"aqi_max":59,"pm25":8.28,"pm10":null,"stations":29},{"datetime_utc":"2026-05-28T12:00:00Z","aqi":39,"aqi_min":9,"aqi_max":152,"pm25":9.36,"pm10":null,"stations":35},{"datetime_utc":"2026-05-28T13:00:00Z","aqi":37,"aqi_min":13,"aqi_max":93,"pm25":8.9,"pm10":null,"stations":25},{"datetime_utc":"2026-05-28T14:00:00Z","aqi":44,"aqi_min":6,"aqi_max":76,"pm25":10.46,"pm10":null,"stations":21},{"datetime_utc":"2026-05-28T15:00:00Z","aqi":37,"aqi_min":13,"aqi_max":78,"pm25":8.82,"pm10":null,"stations":23},{"datetime_utc":"2026-05-28T16:00:00Z","aqi":32,"aqi_min":4,"aqi_max":61,"pm25":7.57,"pm10":null,"stations":27},{"datetime_utc":"2026-05-28T17:00:00Z","aqi":36,"aqi_min":9,"aqi_max":61,"pm25":8.6,"pm10":null,"stations":25},{"datetime_utc":"2026-05-28T18:00:00Z","aqi":31,"aqi_min":5,"aqi_max":72,"pm25":7.42,"pm10":null,"stations":31},{"datetime_utc":"2026-05-28T19:00:00Z","aqi":22,"aqi_min":4,"aqi_max":57,"pm25":5.24,"pm10":null,"stations":27},{"datetime_utc":"2026-05-28T20:00:00Z","aqi":31,"aqi_min":9,"aqi_max":78,"pm25":7.54,"pm10":null,"stations":34},{"datetime_utc":"2026-05-28T21:00:00Z","aqi":33,"aqi_min":5,"aqi_max":89,"pm25":7.97,"pm10":null,"stations":27},{"datetime_utc":"2026-05-28T22:00:00Z","aqi":28,"aqi_min":9,"aqi_max":46,"pm25":6.68,"pm10":null,"stations":22},{"datetime_utc":"2026-05-28T23:00:00Z","aqi":40,"aqi_min":13,"aqi_max":55,"pm25":9.49,"pm10":null,"stations":21},{"datetime_utc":"2026-05-29T00:00:00Z","aqi":44,"aqi_min":5,"aqi_max":102,"pm25":10.47,"pm10":null,"stations":17},{"datetime_utc":"2026-05-29T01:00:00Z","aqi":41,"aqi_min":17,"aqi_max":106,"pm25":9.79,"pm10":null,"stations":29},{"datetime_utc":"2026-05-29T02:00:00Z","aqi":28,"aqi_min":6,"aqi_max":57,"pm25":6.72,"pm10":null,"stations":24},{"datetime_utc":"2026-05-29T03:00:00Z","aqi":47,"aqi_min":17,"aqi_max":70,"pm25":11.18,"pm10":null,"stations":30},{"datetime_utc":"2026-05-29T04:00:00Z","aqi":38,"aqi_min":9,"aqi_max":61,"pm25":9.03,"pm10":null,"stations":33},{"datetime_utc":"2026-05-29T05:00:00Z","aqi":45,"aqi_min":17,"aqi_max":70,"pm25":10.84,"pm10":null,"stations":24},{"datetime_utc":"2026-05-29T06:00:00Z","aqi":39,"aqi_min":9,"aqi_max":68,"pm25":9.45,"pm10":null,"stations":31},{"datetime_utc":"2026-05-29T07:00:00Z","aqi":34,"aqi_min":9,"aqi_max":65,"pm25":8.07,"pm10":null,"stations":35},{"datetime_utc":"2026-05-29T08:00:00Z","aqi":40,"aqi_min":6,"aqi_max":68,"pm25":9.62,"pm10":null,"stations":29},{"datetime_utc":"2026-05-29T09:00:00Z","aqi":40,"aqi_min":7,"aqi_max":65,"pm25":9.54,"pm10":null,"stations":34},{"datetime_utc":"2026-05-29T10:00:00Z","aqi":32,"aqi_min":9,"aqi_max":68,"pm25":7.8,"pm10":null,"stations":20},{"datetime_utc":"2026-05-29T11:00:00Z","aqi":40,"aqi_min":13,"aqi_max":109,"pm25":9.71,"pm10":null,"stations":17},{"datetime_utc":"2026-05-29T12:00:00Z","aqi":42,"aqi_min":15,"aqi_max":72,"pm25":10.04,"pm10":null,"stations":21},{"datetime_utc":"2026-05-29T13:00:00Z","aqi":45,"aqi_min":10,"aqi_max":66,"pm25":10.86,"pm10":null,"stations":21},{"datetime_utc":"2026-05-29T14:00:00Z","aqi":28,"aqi_min":7,"aqi_max":50,"pm25":6.58,"pm10":null,"stations":20},{"datetime_utc":"2026-05-29T15:00:00Z","aqi":23,"aqi_min":6,"aqi_max":38,"pm25":5.44,"pm10":null,"stations":19},{"datetime_utc":"2026-05-29T16:00:00Z","aqi":39,"aqi_min":12,"aqi_max":59,"pm25":9.42,"pm10":null,"stations":8},{"datetime_utc":"2026-05-29T17:00:00Z","aqi":21,"aqi_min":13,"aqi_max":30,"pm25":5.14,"pm10":null,"stations":22}],"daily":[{"date":"2026-05-27","aqi_avg":21,"aqi_min":15,"aqi_max":28,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":5.1,"pm10_avg":null,"hours":6,"stations_avg":34},{"date":"2026-05-28","aqi_avg":33,"aqi_min":22,"aqi_max":44,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":7.9,"pm10_avg":null,"hours":24,"stations_avg":25},{"date":"2026-05-29","aqi_avg":37,"aqi_min":21,"aqi_max":47,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":8.9,"pm10_avg":null,"hours":18,"stations_avg":24}]}