Instructions

"Hazardous" AQI higher than 300. This would trigger a health warning of emergency condition. The entire
population is then more likely to be affected.
Where does the outdoor AQI come from?
The AQI in China is provided by the United States Embassy in Beijing. More information can be found here.
Outdoor Air Pollution Index
The Outdoor Air Pollution Index is displayed on the outdoor dashboard.
Complementary information
By touching on the "..." button in the air quality gauge, you can display complementary information (when
available): main pollutant, hour and location of the report.
Air pollution colors
This color code scale makes it easier for anyone to understand quickly whether the air is polluted.
Understanding the Air Pollution Index
The Air Pollution Index is divided into seven categories:
"Excellent" Air Pollution Index is 0 - 50. No health implications.
"Good" Air Pollution Index is 51 - 100. No health implications.
Air Quality (China)
Air Quality (China)