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23
Air Quality Index (AQI)
AQI, or Air Quality Index, is a system for
reporting the severity of air quality levels
in a way that is easy to understand.
The index ranges from 0 to 500, higher
index values indicate higher levels of air
pollution.
AQI is computed in different ways
around the world. The United States and
China, however, represent the two most
widely used AQI systems. Your AirVisual
Pro supports both systems.
Chinese and USA AQI scales are comparable
for values above 200. For lower values,
the US AQI is more stringent.*
* AirVisual recommends following the US AQI.
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