{"city":"Caohe","country":"China","lat":30.229700088500977,"lon":115.43345642089844,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-07-20T01:00:00Z","aqi":95,"aqi_min":95,"aqi_max":95,"pm25":33.02,"pm10":null,"stations":1},{"datetime_utc":"2026-07-20T14:00:00Z","aqi":34,"aqi_min":34,"aqi_max":34,"pm25":8.16,"pm10":null,"stations":1},{"datetime_utc":"2026-07-20T15:00:00Z","aqi":23,"aqi_min":23,"aqi_max":23,"pm25":5.52,"pm10":null,"stations":1},{"datetime_utc":"2026-07-20T20:00:00Z","aqi":63,"aqi_min":63,"aqi_max":63,"pm25":17.81,"pm10":null,"stations":1},{"datetime_utc":"2026-07-21T00:00:00Z","aqi":93,"aqi_min":93,"aqi_max":93,"pm25":32.07,"pm10":null,"stations":1},{"datetime_utc":"2026-07-21T03:00:00Z","aqi":57,"aqi_min":57,"aqi_max":57,"pm25":14.95,"pm10":null,"stations":1},{"datetime_utc":"2026-07-21T04:00:00Z","aqi":20,"aqi_min":20,"aqi_max":20,"pm25":4.8,"pm10":null,"stations":1},{"datetime_utc":"2026-07-21T15:00:00Z","aqi":93,"aqi_min":93,"aqi_max":93,"pm25":32.07,"pm10":null,"stations":1},{"datetime_utc":"2026-07-21T18:00:00Z","aqi":40,"aqi_min":40,"aqi_max":40,"pm25":9.6,"pm10":null,"stations":1}],"daily":[{"date":"2026-07-20","aqi_avg":54,"aqi_min":23,"aqi_max":95,"aqi_color":"#d97706","aqi_label":"Moderate","pm25_avg":16.1,"pm10_avg":null,"hours":4,"stations_avg":1},{"date":"2026-07-21","aqi_avg":61,"aqi_min":20,"aqi_max":93,"aqi_color":"#d97706","aqi_label":"Moderate","pm25_avg":18.7,"pm10_avg":null,"hours":5,"stations_avg":1}]}