Smoke from hundreds of wildfires in Canada is lingering over the northern U.S., spreading across to roughly a dozen states from Wisconsin to Maine.

As smoke begins to dissipate, Michigan's statewide advisories have ended, though some remain for Upper Peninsula and northern areas as for Aug. 6.

We are now on day 21 of Canadian wildfire smoke lingering over Wisconsin. This matches the record set back in 2023.

Canadian wildfire smoke continues to cause hazy skies and air quality alerts in New Hampshire. The air quality alert, extended through Tuesday night, particularly affects sensitive individuals. Air ...

The EPA says if you are sensitive to particle pollution, consider reducing your activity level or shorten the amount of time ...

The smoke drifting across the border contains fine particulates, pollution so small that it’s basically invisible to the ...