Leaflet © OpenStreetMap contributors
Health View
24-hr particle pollution
Site Marker
Agency Monitor
Purple Air Sensor
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.

Map Description

Please refresh the page to see the latest data.

Updated Nov 23 3:15 AM

Maintenance Info