How is Air Quality in the Northeastern U.S.?

As Canadian wildfires blaze and send smoke into the atmosphere, air quality along the East Coast is fluctuating.

Stephen Stirling / Staff

Sources: EPA AirNow monitors · PurpleAir citizen sensors (EPA-corrected) · satellite imagery NOAA GOES-East GeoColor via NASA GIBS · basemap © CARTO / OpenStreetMap. Contour lines are an estimate of conditions between monitors. Satellite imagery updates roughly every 10 minutes when available; when the feed is delayed, the map shows a plain basemap.

Underlying air quality data from PurpleAir is sourced from a network of consumer sensors; PurpleAir does not guarantee data accuracy.