Air Quailty Info

Browse information about air quality data, includes AQI Level/Category.

Supported Regions

Air quality data is only available for China (including Hong Kong, Macao and Taiwan).

AQI Level

AQI Level Category Category Color
0-50 Level 1 Excellent Green
51-100 Level 2 Good Yellow
101-150 Level 3 Lightly Pollution Orange
151-200 Level 4 Moderate pollution Red
201-300 Level 5 Heavy pollution Purple
>300 Level 6 Serious pollution Maroon