{"city":"Hilton Head Island","country":"United States","lat":32.19382095336914,"lon":-80.7381591796875,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-07-20T04:00:00Z","aqi":16,"aqi_min":16,"aqi_max":16,"pm25":3.84,"pm10":null,"stations":1},{"datetime_utc":"2026-07-20T05:00:00Z","aqi":43,"aqi_min":43,"aqi_max":43,"pm25":10.32,"pm10":null,"stations":1},{"datetime_utc":"2026-07-20T06:00:00Z","aqi":36,"aqi_min":36,"aqi_max":36,"pm25":8.64,"pm10":null,"stations":1},{"datetime_utc":"2026-07-20T08:00:00Z","aqi":65,"aqi_min":65,"aqi_max":65,"pm25":18.76,"pm10":null,"stations":2},{"datetime_utc":"2026-07-20T10:00:00Z","aqi":35,"aqi_min":31,"aqi_max":40,"pm25":8.52,"pm10":null,"stations":2},{"datetime_utc":"2026-07-20T11:00:00Z","aqi":65,"aqi_min":65,"aqi_max":65,"pm25":18.76,"pm10":null,"stations":1},{"datetime_utc":"2026-07-20T13:00:00Z","aqi":13,"aqi_min":13,"aqi_max":13,"pm25":3.12,"pm10":null,"stations":1},{"datetime_utc":"2026-07-20T15:00:00Z","aqi":95,"aqi_min":95,"aqi_max":95,"pm25":33.02,"pm10":null,"stations":1},{"datetime_utc":"2026-07-20T16:00:00Z","aqi":75,"aqi_min":75,"aqi_max":75,"pm25":23.51,"pm10":null,"stations":1},{"datetime_utc":"2026-07-20T21:00:00Z","aqi":81,"aqi_min":81,"aqi_max":81,"pm25":26.37,"pm10":null,"stations":1},{"datetime_utc":"2026-07-20T23:00:00Z","aqi":30,"aqi_min":30,"aqi_max":30,"pm25":7.2,"pm10":null,"stations":1},{"datetime_utc":"2026-07-21T00:00:00Z","aqi":30,"aqi_min":28,"aqi_max":31,"pm25":7.08,"pm10":null,"stations":2},{"datetime_utc":"2026-07-21T01:00:00Z","aqi":42,"aqi_min":42,"aqi_max":42,"pm25":10.08,"pm10":null,"stations":1},{"datetime_utc":"2026-07-21T03:00:00Z","aqi":41,"aqi_min":29,"aqi_max":52,"pm25":9.77,"pm10":null,"stations":2},{"datetime_utc":"2026-07-21T04:00:00Z","aqi":46,"aqi_min":46,"aqi_max":46,"pm25":11.04,"pm10":null,"stations":1},{"datetime_utc":"2026-07-21T05:00:00Z","aqi":42,"aqi_min":42,"aqi_max":42,"pm25":10.08,"pm10":null,"stations":1},{"datetime_utc":"2026-07-21T07:00:00Z","aqi":24,"aqi_min":24,"aqi_max":24,"pm25":5.76,"pm10":null,"stations":1},{"datetime_utc":"2026-07-21T08:00:00Z","aqi":34,"aqi_min":34,"aqi_max":34,"pm25":8.16,"pm10":null,"stations":1},{"datetime_utc":"2026-07-21T09:00:00Z","aqi":25,"aqi_min":25,"aqi_max":25,"pm25":6.0,"pm10":null,"stations":1},{"datetime_utc":"2026-07-21T10:00:00Z","aqi":76,"aqi_min":74,"aqi_max":78,"pm25":23.99,"pm10":null,"stations":2},{"datetime_utc":"2026-07-21T12:00:00Z","aqi":47,"aqi_min":47,"aqi_max":47,"pm25":11.28,"pm10":null,"stations":1},{"datetime_utc":"2026-07-21T15:00:00Z","aqi":64,"aqi_min":64,"aqi_max":64,"pm25":18.28,"pm10":null,"stations":1},{"datetime_utc":"2026-07-21T16:00:00Z","aqi":64,"aqi_min":56,"aqi_max":73,"pm25":18.52,"pm10":null,"stations":2},{"datetime_utc":"2026-07-21T17:00:00Z","aqi":34,"aqi_min":34,"aqi_max":34,"pm25":8.16,"pm10":null,"stations":1},{"datetime_utc":"2026-07-21T19:00:00Z","aqi":64,"aqi_min":36,"aqi_max":85,"pm25":18.45,"pm10":null,"stations":2},{"datetime_utc":"2026-07-21T21:00:00Z","aqi":46,"aqi_min":46,"aqi_max":46,"pm25":11.04,"pm10":null,"stations":1},{"datetime_utc":"2026-07-21T22:00:00Z","aqi":61,"aqi_min":61,"aqi_max":61,"pm25":16.86,"pm10":null,"stations":1},{"datetime_utc":"2026-07-21T23:00:00Z","aqi":98,"aqi_min":98,"aqi_max":98,"pm25":34.45,"pm10":null,"stations":1}],"daily":[{"date":"2026-07-20","aqi_avg":50,"aqi_min":13,"aqi_max":95,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":14.7,"pm10_avg":null,"hours":11,"stations_avg":1},{"date":"2026-07-21","aqi_avg":49,"aqi_min":24,"aqi_max":98,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":13.5,"pm10_avg":null,"hours":17,"stations_avg":1}]}