{"city":"Muroran","country":"Japan","lat":42.31721878051758,"lon":140.98806762695312,"range":"7d","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-05-21T22:00:00Z","aqi":18,"aqi_min":13,"aqi_max":25,"pm25":4.32,"pm10":null,"stations":4},{"datetime_utc":"2026-05-21T23:00:00Z","aqi":25,"aqi_min":25,"aqi_max":25,"pm25":6.0,"pm10":null,"stations":1},{"datetime_utc":"2026-05-22T00:00:00Z","aqi":25,"aqi_min":9,"aqi_max":34,"pm25":5.88,"pm10":null,"stations":4},{"datetime_utc":"2026-05-22T02:00:00Z","aqi":23,"aqi_min":5,"aqi_max":42,"pm25":5.64,"pm10":null,"stations":2},{"datetime_utc":"2026-05-22T04:00:00Z","aqi":28,"aqi_min":28,"aqi_max":28,"pm25":6.72,"pm10":null,"stations":1},{"datetime_utc":"2026-05-22T08:00:00Z","aqi":28,"aqi_min":17,"aqi_max":40,"pm25":6.84,"pm10":null,"stations":2},{"datetime_utc":"2026-05-22T10:00:00Z","aqi":26,"aqi_min":15,"aqi_max":34,"pm25":6.32,"pm10":null,"stations":3},{"datetime_utc":"2026-05-22T11:00:00Z","aqi":46,"aqi_min":46,"aqi_max":46,"pm25":11.04,"pm10":null,"stations":1},{"datetime_utc":"2026-05-22T12:00:00Z","aqi":50,"aqi_min":50,"aqi_max":50,"pm25":12.0,"pm10":null,"stations":1},{"datetime_utc":"2026-05-22T14:00:00Z","aqi":30,"aqi_min":25,"aqi_max":34,"pm25":7.08,"pm10":null,"stations":2},{"datetime_utc":"2026-05-22T16:00:00Z","aqi":21,"aqi_min":21,"aqi_max":21,"pm25":5.04,"pm10":null,"stations":1},{"datetime_utc":"2026-05-22T17:00:00Z","aqi":46,"aqi_min":46,"aqi_max":46,"pm25":11.04,"pm10":null,"stations":1},{"datetime_utc":"2026-05-22T18:00:00Z","aqi":55,"aqi_min":55,"aqi_max":55,"pm25":14.0,"pm10":null,"stations":1},{"datetime_utc":"2026-05-22T19:00:00Z","aqi":38,"aqi_min":29,"aqi_max":47,"pm25":9.12,"pm10":null,"stations":2},{"datetime_utc":"2026-05-22T20:00:00Z","aqi":37,"aqi_min":13,"aqi_max":56,"pm25":8.8,"pm10":null,"stations":2},{"datetime_utc":"2026-05-22T21:00:00Z","aqi":21,"aqi_min":17,"aqi_max":25,"pm25":5.04,"pm10":null,"stations":2},{"datetime_utc":"2026-05-22T22:00:00Z","aqi":28,"aqi_min":19,"aqi_max":38,"pm25":6.84,"pm10":null,"stations":2},{"datetime_utc":"2026-05-22T23:00:00Z","aqi":9,"aqi_min":9,"aqi_max":9,"pm25":2.16,"pm10":null,"stations":1},{"datetime_utc":"2026-05-23T00:00:00Z","aqi":32,"aqi_min":21,"aqi_max":42,"pm25":7.56,"pm10":null,"stations":2},{"datetime_utc":"2026-05-23T01:00:00Z","aqi":29,"aqi_min":21,"aqi_max":34,"pm25":7.04,"pm10":null,"stations":3},{"datetime_utc":"2026-05-23T02:00:00Z","aqi":37,"aqi_min":34,"aqi_max":40,"pm25":8.88,"pm10":null,"stations":2},{"datetime_utc":"2026-05-23T03:00:00Z","aqi":42,"aqi_min":38,"aqi_max":46,"pm25":10.0,"pm10":null,"stations":3},{"datetime_utc":"2026-05-23T04:00:00Z","aqi":36,"aqi_min":36,"aqi_max":36,"pm25":8.64,"pm10":null,"stations":1},{"datetime_utc":"2026-05-23T05:00:00Z","aqi":43,"aqi_min":25,"aqi_max":59,"pm25":10.34,"pm10":null,"stations":3},{"datetime_utc":"2026-05-23T06:00:00Z","aqi":48,"aqi_min":21,"aqi_max":63,"pm25":11.62,"pm10":null,"stations":3},{"datetime_utc":"2026-05-23T07:00:00Z","aqi":21,"aqi_min":17,"aqi_max":25,"pm25":5.04,"pm10":null,"stations":2},{"datetime_utc":"2026-05-23T14:00:00Z","aqi":50,"aqi_min":50,"aqi_max":50,"pm25":12.0,"pm10":null,"stations":1},{"datetime_utc":"2026-05-23T16:00:00Z","aqi":25,"aqi_min":21,"aqi_max":30,"pm25":6.12,"pm10":null,"stations":2},{"datetime_utc":"2026-05-23T18:00:00Z","aqi":28,"aqi_min":20,"aqi_max":42,"pm25":6.78,"pm10":null,"stations":4},{"datetime_utc":"2026-05-23T21:00:00Z","aqi":25,"aqi_min":25,"aqi_max":25,"pm25":6.0,"pm10":null,"stations":1},{"datetime_utc":"2026-05-24T00:00:00Z","aqi":30,"aqi_min":25,"aqi_max":34,"pm25":7.08,"pm10":null,"stations":2},{"datetime_utc":"2026-05-24T01:00:00Z","aqi":46,"aqi_min":46,"aqi_max":46,"pm25":11.04,"pm10":null,"stations":1},{"datetime_utc":"2026-05-24T03:00:00Z","aqi":30,"aqi_min":30,"aqi_max":30,"pm25":7.2,"pm10":null,"stations":1},{"datetime_utc":"2026-05-24T04:00:00Z","aqi":72,"aqi_min":72,"aqi_max":72,"pm25":22.09,"pm10":null,"stations":1},{"datetime_utc":"2026-05-24T05:00:00Z","aqi":86,"aqi_min":86,"aqi_max":86,"pm25":28.74,"pm10":null,"stations":1},{"datetime_utc":"2026-05-24T06:00:00Z","aqi":122,"aqi_min":122,"aqi_max":122,"pm25":44.03,"pm10":null,"stations":1},{"datetime_utc":"2026-05-24T07:00:00Z","aqi":25,"aqi_min":25,"aqi_max":25,"pm25":6.0,"pm10":null,"stations":1},{"datetime_utc":"2026-05-24T08:00:00Z","aqi":25,"aqi_min":25,"aqi_max":25,"pm25":6.0,"pm10":null,"stations":1},{"datetime_utc":"2026-05-24T10:00:00Z","aqi":30,"aqi_min":30,"aqi_max":30,"pm25":7.2,"pm10":null,"stations":1},{"datetime_utc":"2026-05-24T11:00:00Z","aqi":17,"aqi_min":17,"aqi_max":17,"pm25":4.08,"pm10":null,"stations":1},{"datetime_utc":"2026-05-24T12:00:00Z","aqi":13,"aqi_min":13,"aqi_max":13,"pm25":3.12,"pm10":null,"stations":1},{"datetime_utc":"2026-05-24T14:00:00Z","aqi":127,"aqi_min":127,"aqi_max":127,"pm25":46.06,"pm10":null,"stations":1},{"datetime_utc":"2026-05-24T16:00:00Z","aqi":10,"aqi_min":10,"aqi_max":10,"pm25":2.4,"pm10":null,"stations":1},{"datetime_utc":"2026-05-24T17:00:00Z","aqi":21,"aqi_min":21,"aqi_max":21,"pm25":5.04,"pm10":null,"stations":1},{"datetime_utc":"2026-05-24T18:00:00Z","aqi":27,"aqi_min":25,"aqi_max":30,"pm25":6.36,"pm10":null,"stations":4},{"datetime_utc":"2026-05-24T19:00:00Z","aqi":21,"aqi_min":13,"aqi_max":29,"pm25":5.04,"pm10":null,"stations":2},{"datetime_utc":"2026-05-24T20:00:00Z","aqi":26,"aqi_min":17,"aqi_max":35,"pm25":6.24,"pm10":null,"stations":2},{"datetime_utc":"2026-05-24T21:00:00Z","aqi":16,"aqi_min":16,"aqi_max":16,"pm25":3.84,"pm10":null,"stations":1},{"datetime_utc":"2026-05-24T23:00:00Z","aqi":19,"aqi_min":19,"aqi_max":19,"pm25":4.56,"pm10":null,"stations":1},{"datetime_utc":"2026-05-25T00:00:00Z","aqi":29,"aqi_min":17,"aqi_max":42,"pm25":6.91,"pm10":null,"stations":5},{"datetime_utc":"2026-05-25T01:00:00Z","aqi":36,"aqi_min":34,"aqi_max":38,"pm25":8.64,"pm10":null,"stations":2},{"datetime_utc":"2026-05-25T03:00:00Z","aqi":38,"aqi_min":38,"aqi_max":38,"pm25":9.12,"pm10":null,"stations":1},{"datetime_utc":"2026-05-25T06:00:00Z","aqi":25,"aqi_min":25,"aqi_max":25,"pm25":6.0,"pm10":null,"stations":1},{"datetime_utc":"2026-05-25T07:00:00Z","aqi":40,"aqi_min":40,"aqi_max":40,"pm25":9.6,"pm10":null,"stations":1},{"datetime_utc":"2026-05-25T08:00:00Z","aqi":25,"aqi_min":13,"aqi_max":38,"pm25":6.12,"pm10":null,"stations":2},{"datetime_utc":"2026-05-25T09:00:00Z","aqi":33,"aqi_min":21,"aqi_max":46,"pm25":8.04,"pm10":null,"stations":2},{"datetime_utc":"2026-05-25T10:00:00Z","aqi":78,"aqi_min":78,"aqi_max":78,"pm25":24.94,"pm10":null,"stations":1},{"datetime_utc":"2026-05-25T12:00:00Z","aqi":13,"aqi_min":13,"aqi_max":13,"pm25":3.12,"pm10":null,"stations":1},{"datetime_utc":"2026-05-25T13:00:00Z","aqi":25,"aqi_min":13,"aqi_max":34,"pm25":5.92,"pm10":null,"stations":3},{"datetime_utc":"2026-05-25T15:00:00Z","aqi":34,"aqi_min":13,"aqi_max":55,"pm25":8.11,"pm10":null,"stations":3},{"datetime_utc":"2026-05-25T16:00:00Z","aqi":28,"aqi_min":21,"aqi_max":42,"pm25":6.72,"pm10":null,"stations":3},{"datetime_utc":"2026-05-25T17:00:00Z","aqi":21,"aqi_min":21,"aqi_max":21,"pm25":5.04,"pm10":null,"stations":1},{"datetime_utc":"2026-05-25T18:00:00Z","aqi":25,"aqi_min":25,"aqi_max":25,"pm25":6.0,"pm10":null,"stations":1},{"datetime_utc":"2026-05-25T20:00:00Z","aqi":19,"aqi_min":13,"aqi_max":30,"pm25":4.48,"pm10":null,"stations":3},{"datetime_utc":"2026-05-25T21:00:00Z","aqi":17,"aqi_min":17,"aqi_max":17,"pm25":4.08,"pm10":null,"stations":1},{"datetime_utc":"2026-05-26T01:00:00Z","aqi":38,"aqi_min":38,"aqi_max":38,"pm25":9.12,"pm10":null,"stations":1},{"datetime_utc":"2026-05-26T02:00:00Z","aqi":40,"aqi_min":40,"aqi_max":40,"pm25":9.6,"pm10":null,"stations":1},{"datetime_utc":"2026-05-26T03:00:00Z","aqi":42,"aqi_min":38,"aqi_max":46,"pm25":10.08,"pm10":null,"stations":2},{"datetime_utc":"2026-05-26T06:00:00Z","aqi":28,"aqi_min":13,"aqi_max":42,"pm25":6.6,"pm10":null,"stations":4},{"datetime_utc":"2026-05-26T07:00:00Z","aqi":9,"aqi_min":9,"aqi_max":9,"pm25":2.16,"pm10":null,"stations":1},{"datetime_utc":"2026-05-26T08:00:00Z","aqi":30,"aqi_min":25,"aqi_max":34,"pm25":7.08,"pm10":null,"stations":2},{"datetime_utc":"2026-05-26T10:00:00Z","aqi":33,"aqi_min":33,"aqi_max":33,"pm25":7.92,"pm10":null,"stations":1},{"datetime_utc":"2026-05-26T13:00:00Z","aqi":37,"aqi_min":34,"aqi_max":39,"pm25":8.76,"pm10":null,"stations":2},{"datetime_utc":"2026-05-26T14:00:00Z","aqi":29,"aqi_min":7,"aqi_max":46,"pm25":6.96,"pm10":null,"stations":3},{"datetime_utc":"2026-05-26T16:00:00Z","aqi":19,"aqi_min":9,"aqi_max":25,"pm25":4.48,"pm10":null,"stations":3},{"datetime_utc":"2026-05-26T19:00:00Z","aqi":25,"aqi_min":13,"aqi_max":42,"pm25":6.08,"pm10":null,"stations":3},{"datetime_utc":"2026-05-26T20:00:00Z","aqi":17,"aqi_min":17,"aqi_max":17,"pm25":4.08,"pm10":null,"stations":1},{"datetime_utc":"2026-05-27T00:00:00Z","aqi":17,"aqi_min":17,"aqi_max":17,"pm25":4.08,"pm10":null,"stations":1},{"datetime_utc":"2026-05-27T02:00:00Z","aqi":61,"aqi_min":61,"aqi_max":61,"pm25":16.86,"pm10":null,"stations":1},{"datetime_utc":"2026-05-27T04:00:00Z","aqi":59,"aqi_min":59,"aqi_max":59,"pm25":15.9,"pm10":null,"stations":1},{"datetime_utc":"2026-05-27T06:00:00Z","aqi":38,"aqi_min":23,"aqi_max":50,"pm25":9.22,"pm10":null,"stations":5},{"datetime_utc":"2026-05-27T07:00:00Z","aqi":46,"aqi_min":46,"aqi_max":46,"pm25":11.04,"pm10":null,"stations":1},{"datetime_utc":"2026-05-27T08:00:00Z","aqi":9,"aqi_min":9,"aqi_max":9,"pm25":2.16,"pm10":null,"stations":1},{"datetime_utc":"2026-05-27T10:00:00Z","aqi":10,"aqi_min":10,"aqi_max":10,"pm25":2.4,"pm10":null,"stations":1},{"datetime_utc":"2026-05-27T12:00:00Z","aqi":23,"aqi_min":17,"aqi_max":30,"pm25":5.64,"pm10":null,"stations":2},{"datetime_utc":"2026-05-27T13:00:00Z","aqi":15,"aqi_min":13,"aqi_max":17,"pm25":3.6,"pm10":null,"stations":2},{"datetime_utc":"2026-05-27T14:00:00Z","aqi":32,"aqi_min":21,"aqi_max":43,"pm25":7.84,"pm10":null,"stations":3},{"datetime_utc":"2026-05-27T15:00:00Z","aqi":38,"aqi_min":38,"aqi_max":38,"pm25":9.12,"pm10":null,"stations":1},{"datetime_utc":"2026-05-27T16:00:00Z","aqi":9,"aqi_min":9,"aqi_max":9,"pm25":2.16,"pm10":null,"stations":1},{"datetime_utc":"2026-05-27T17:00:00Z","aqi":16,"aqi_min":5,"aqi_max":25,"pm25":3.76,"pm10":null,"stations":3},{"datetime_utc":"2026-05-27T18:00:00Z","aqi":30,"aqi_min":9,"aqi_max":42,"pm25":7.12,"pm10":null,"stations":3},{"datetime_utc":"2026-05-27T19:00:00Z","aqi":13,"aqi_min":9,"aqi_max":21,"pm25":3.12,"pm10":null,"stations":5},{"datetime_utc":"2026-05-27T20:00:00Z","aqi":23,"aqi_min":15,"aqi_max":30,"pm25":5.6,"pm10":null,"stations":3},{"datetime_utc":"2026-05-27T21:00:00Z","aqi":9,"aqi_min":9,"aqi_max":9,"pm25":2.16,"pm10":null,"stations":1},{"datetime_utc":"2026-05-27T23:00:00Z","aqi":7,"aqi_min":6,"aqi_max":8,"pm25":1.68,"pm10":null,"stations":2},{"datetime_utc":"2026-05-28T01:00:00Z","aqi":16,"aqi_min":5,"aqi_max":21,"pm25":3.84,"pm10":null,"stations":4},{"datetime_utc":"2026-05-28T04:00:00Z","aqi":35,"aqi_min":35,"aqi_max":35,"pm25":8.4,"pm10":null,"stations":1},{"datetime_utc":"2026-05-28T05:00:00Z","aqi":13,"aqi_min":13,"aqi_max":13,"pm25":3.12,"pm10":null,"stations":1},{"datetime_utc":"2026-05-28T06:00:00Z","aqi":55,"aqi_min":55,"aqi_max":55,"pm25":14.0,"pm10":null,"stations":1},{"datetime_utc":"2026-05-28T08:00:00Z","aqi":37,"aqi_min":5,"aqi_max":60,"pm25":8.79,"pm10":null,"stations":2},{"datetime_utc":"2026-05-28T10:00:00Z","aqi":17,"aqi_min":17,"aqi_max":17,"pm25":4.08,"pm10":null,"stations":1},{"datetime_utc":"2026-05-28T13:00:00Z","aqi":52,"aqi_min":38,"aqi_max":59,"pm25":12.51,"pm10":null,"stations":2},{"datetime_utc":"2026-05-28T18:00:00Z","aqi":19,"aqi_min":17,"aqi_max":21,"pm25":4.56,"pm10":null,"stations":2},{"datetime_utc":"2026-05-28T19:00:00Z","aqi":28,"aqi_min":13,"aqi_max":42,"pm25":6.6,"pm10":null,"stations":2},{"datetime_utc":"2026-05-28T20:00:00Z","aqi":13,"aqi_min":1,"aqi_max":25,"pm25":3.12,"pm10":null,"stations":2}],"daily":[{"date":"2026-05-21","aqi_avg":22,"aqi_min":18,"aqi_max":25,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":5.2,"pm10_avg":null,"hours":2,"stations_avg":2},{"date":"2026-05-22","aqi_avg":32,"aqi_min":9,"aqi_max":55,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":7.7,"pm10_avg":null,"hours":16,"stations_avg":2},{"date":"2026-05-23","aqi_avg":35,"aqi_min":21,"aqi_max":50,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":8.3,"pm10_avg":null,"hours":12,"stations_avg":2},{"date":"2026-05-24","aqi_avg":40,"aqi_min":10,"aqi_max":127,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":11.9,"pm10_avg":null,"hours":19,"stations_avg":1},{"date":"2026-05-25","aqi_avg":30,"aqi_min":13,"aqi_max":78,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":7.7,"pm10_avg":null,"hours":16,"stations_avg":2},{"date":"2026-05-26","aqi_avg":29,"aqi_min":9,"aqi_max":42,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":6.9,"pm10_avg":null,"hours":12,"stations_avg":2},{"date":"2026-05-27","aqi_avg":25,"aqi_min":7,"aqi_max":61,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":6.3,"pm10_avg":null,"hours":18,"stations_avg":2},{"date":"2026-05-28","aqi_avg":28,"aqi_min":13,"aqi_max":55,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":6.9,"pm10_avg":null,"hours":10,"stations_avg":2}]}