Health View
24-hr particle pollution
Site Color
Good (0-50 AQI)
Moderate (51-100 AQI)
Unhealthy for sensitive groups (101-150 AQI)
Unhealthy (151 - 200 AQI)
Very Unhealthy (201 - 300 AQI)
Hazardous (301+ AQI)
No data
How To Use This Map
Click on a circle or star to see pollution for that site.
Then click on the Impact tab for activity suggestions.
To see current pollution levels click on Instant in the top right.