Brampton residents checking air quality today will find conditions ranging from low to moderate risk, with the current Air Quality Health Index sitting at 3 as of July 21, 2026. While that’s good news for outdoor plans right now, it’s a marked improvement from just last week when Peel Public Health issued an air quality warning on July 15 after smoke from forest fires in Northwestern Ontario pushed pollution levels higher and reduced visibility across the region.
Understanding what drives these fluctuations matters if you live here. Wildfire smoke can travel hundreds of kilometers, turning a clear summer day hazy within …
