{"city":"Chennai","country":"India","lat":13.08784008026123,"lon":80.27847290039062,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-05-27T15:00:00Z","aqi":107,"aqi_min":78,"aqi_max":153,"pm25":37.95,"pm10":null,"stations":4},{"datetime_utc":"2026-05-27T16:00:00Z","aqi":143,"aqi_min":16,"aqi_max":193,"pm25":52.42,"pm10":null,"stations":9},{"datetime_utc":"2026-05-27T17:00:00Z","aqi":176,"aqi_min":32,"aqi_max":500,"pm25":104.65,"pm10":null,"stations":14},{"datetime_utc":"2026-05-27T18:00:00Z","aqi":91,"aqi_min":27,"aqi_max":167,"pm25":31.12,"pm10":null,"stations":7},{"datetime_utc":"2026-05-27T19:00:00Z","aqi":117,"aqi_min":15,"aqi_max":300,"pm25":41.77,"pm10":null,"stations":12},{"datetime_utc":"2026-05-27T20:00:00Z","aqi":70,"aqi_min":29,"aqi_max":161,"pm25":20.86,"pm10":null,"stations":9},{"datetime_utc":"2026-05-27T21:00:00Z","aqi":131,"aqi_min":7,"aqi_max":247,"pm25":47.56,"pm10":null,"stations":11},{"datetime_utc":"2026-05-27T22:00:00Z","aqi":75,"aqi_min":14,"aqi_max":163,"pm25":23.5,"pm10":null,"stations":13},{"datetime_utc":"2026-05-27T23:00:00Z","aqi":57,"aqi_min":17,"aqi_max":161,"pm25":15.06,"pm10":null,"stations":10},{"datetime_utc":"2026-05-28T00:00:00Z","aqi":101,"aqi_min":11,"aqi_max":234,"pm25":35.49,"pm10":null,"stations":8},{"datetime_utc":"2026-05-28T01:00:00Z","aqi":102,"aqi_min":12,"aqi_max":188,"pm25":35.89,"pm10":null,"stations":7},{"datetime_utc":"2026-05-28T02:00:00Z","aqi":141,"aqi_min":14,"aqi_max":180,"pm25":51.64,"pm10":null,"stations":9},{"datetime_utc":"2026-05-28T03:00:00Z","aqi":113,"aqi_min":6,"aqi_max":198,"pm25":40.17,"pm10":null,"stations":11},{"datetime_utc":"2026-05-28T04:00:00Z","aqi":88,"aqi_min":12,"aqi_max":161,"pm25":29.92,"pm10":null,"stations":11},{"datetime_utc":"2026-05-28T05:00:00Z","aqi":72,"aqi_min":20,"aqi_max":119,"pm25":21.99,"pm10":null,"stations":5},{"datetime_utc":"2026-05-28T06:00:00Z","aqi":155,"aqi_min":13,"aqi_max":200,"pm25":62.41,"pm10":null,"stations":6},{"datetime_utc":"2026-05-28T07:00:00Z","aqi":28,"aqi_min":2,"aqi_max":55,"pm25":6.67,"pm10":null,"stations":3},{"datetime_utc":"2026-05-28T08:00:00Z","aqi":26,"aqi_min":11,"aqi_max":34,"pm25":6.3,"pm10":null,"stations":4},{"datetime_utc":"2026-05-28T09:00:00Z","aqi":38,"aqi_min":33,"aqi_max":42,"pm25":9.0,"pm10":null,"stations":2},{"datetime_utc":"2026-05-28T10:00:00Z","aqi":47,"aqi_min":39,"aqi_max":53,"pm25":11.21,"pm10":null,"stations":2},{"datetime_utc":"2026-05-28T11:00:00Z","aqi":44,"aqi_min":15,"aqi_max":78,"pm25":10.53,"pm10":null,"stations":7},{"datetime_utc":"2026-05-28T12:00:00Z","aqi":74,"aqi_min":26,"aqi_max":153,"pm25":22.92,"pm10":null,"stations":5},{"datetime_utc":"2026-05-28T13:00:00Z","aqi":73,"aqi_min":23,"aqi_max":144,"pm25":22.61,"pm10":null,"stations":3},{"datetime_utc":"2026-05-28T14:00:00Z","aqi":36,"aqi_min":18,"aqi_max":55,"pm25":8.72,"pm10":null,"stations":4},{"datetime_utc":"2026-05-28T15:00:00Z","aqi":79,"aqi_min":30,"aqi_max":175,"pm25":25.31,"pm10":null,"stations":7},{"datetime_utc":"2026-05-28T16:00:00Z","aqi":25,"aqi_min":2,"aqi_max":39,"pm25":5.96,"pm10":null,"stations":6},{"datetime_utc":"2026-05-28T18:00:00Z","aqi":45,"aqi_min":22,"aqi_max":58,"pm25":10.66,"pm10":null,"stations":4},{"datetime_utc":"2026-05-28T19:00:00Z","aqi":55,"aqi_min":13,"aqi_max":93,"pm25":14.09,"pm10":null,"stations":4},{"datetime_utc":"2026-05-28T20:00:00Z","aqi":45,"aqi_min":17,"aqi_max":63,"pm25":10.73,"pm10":null,"stations":5},{"datetime_utc":"2026-05-28T21:00:00Z","aqi":70,"aqi_min":53,"aqi_max":120,"pm25":20.99,"pm10":null,"stations":5},{"datetime_utc":"2026-05-28T22:00:00Z","aqi":62,"aqi_min":17,"aqi_max":114,"pm25":17.25,"pm10":null,"stations":8},{"datetime_utc":"2026-05-29T00:00:00Z","aqi":47,"aqi_min":26,"aqi_max":59,"pm25":11.32,"pm10":null,"stations":6},{"datetime_utc":"2026-05-29T01:00:00Z","aqi":98,"aqi_min":27,"aqi_max":152,"pm25":34.26,"pm10":null,"stations":3},{"datetime_utc":"2026-05-29T02:00:00Z","aqi":62,"aqi_min":23,"aqi_max":134,"pm25":17.38,"pm10":null,"stations":6},{"datetime_utc":"2026-05-29T03:00:00Z","aqi":52,"aqi_min":27,"aqi_max":61,"pm25":12.69,"pm10":null,"stations":5},{"datetime_utc":"2026-05-29T04:00:00Z","aqi":114,"aqi_min":21,"aqi_max":225,"pm25":40.63,"pm10":null,"stations":7},{"datetime_utc":"2026-05-29T05:00:00Z","aqi":89,"aqi_min":23,"aqi_max":165,"pm25":30.24,"pm10":null,"stations":7},{"datetime_utc":"2026-05-29T06:00:00Z","aqi":42,"aqi_min":38,"aqi_max":46,"pm25":10.08,"pm10":null,"stations":2},{"datetime_utc":"2026-05-29T07:00:00Z","aqi":30,"aqi_min":2,"aqi_max":55,"pm25":7.07,"pm10":null,"stations":3},{"datetime_utc":"2026-05-29T08:00:00Z","aqi":76,"aqi_min":30,"aqi_max":95,"pm25":24.1,"pm10":null,"stations":3},{"datetime_utc":"2026-05-29T09:00:00Z","aqi":81,"aqi_min":29,"aqi_max":157,"pm25":26.63,"pm10":null,"stations":7},{"datetime_utc":"2026-05-29T10:00:00Z","aqi":82,"aqi_min":54,"aqi_max":127,"pm25":26.98,"pm10":null,"stations":8},{"datetime_utc":"2026-05-29T11:00:00Z","aqi":87,"aqi_min":10,"aqi_max":135,"pm25":29.31,"pm10":null,"stations":9},{"datetime_utc":"2026-05-29T12:00:00Z","aqi":95,"aqi_min":8,"aqi_max":150,"pm25":32.82,"pm10":null,"stations":7},{"datetime_utc":"2026-05-29T13:00:00Z","aqi":98,"aqi_min":66,"aqi_max":151,"pm25":34.26,"pm10":null,"stations":7}],"daily":[{"date":"2026-05-27","aqi_avg":107,"aqi_min":57,"aqi_max":176,"aqi_color":"#ea580c","aqi_label":"Unhealthy for sensitive groups","pm25_avg":41.7,"pm10_avg":null,"hours":9,"stations_avg":10},{"date":"2026-05-28","aqi_avg":69,"aqi_min":25,"aqi_max":155,"aqi_color":"#d97706","aqi_label":"Moderate","pm25_avg":21.8,"pm10_avg":null,"hours":22,"stations_avg":6},{"date":"2026-05-29","aqi_avg":75,"aqi_min":30,"aqi_max":114,"aqi_color":"#d97706","aqi_label":"Moderate","pm25_avg":24.1,"pm10_avg":null,"hours":14,"stations_avg":6}]}