Air Quality

 

Air Quality Index
(AQI) Values
Levels of Health ConcernColors
When the AQI is in this range:..air quality conditions are:...as symbolized by this color:
0 to 50 Good Green
51 to 100 Moderate Yellow
101 to 150 Unhealthy for Sensitive Groups Orange
151 to 200 Unhealthy Red
201 to 300 Very Unhealthy Purple
301 to 500 Hazardous Maroon