How air quality in Burlington has been affected by Canadian wildfires

Includes forecast value for Aug. 5, 2025.

While overall levels of PM 2.5 have not significantly worsened, the past few years have seen an uptick in very high PM 2.5 levels due to Canadian wildfire smoke.

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Chart: Erin PetenkoSource: U.S. EPAGet the dataCreated with Datawrapper