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.

Michigan's statewide air quality advisory has ended, with only the Upper Peninsula and a few counties in northern Michigan seeing advisories on Aug. 6. because of lingering Canadian wildfire smoke.

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 ...

Wildfire smoke is particularly harmful to kids’ respiratory health. One study found that a 10-unit increase of fine ...

The nearest river is about two miles away, but investigators determined the fish was scooped up by an osprey, which then ...

As Canada grapples with one of its worst wildfire seasons on record, smoke from the blazes have prompted air quality alerts ...