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

Smoke from ongoing wildfires across Canada continued to drift into parts of the United States on Wednesday, causing hazy ...

Air quality alerts remain in effect from Minnesota to the Northeast due to smoke from hundreds of wildfires in Canada. In the West, wildfires in California continue to rage.

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

Red flag warnings remain in place for parts of Nevada, Utah, Colorado and Wyoming due to very dry conditions, low humidity ...

Millions in the United States are facing another day of hazy skies fueled by hundreds of smoky wildfires burning across North ...

Hundreds of wildfires in Canada are creating unhealthy air quality conditions across the Midwest, including Michigan, where ...

The Midwest saw some of the worst air quality conditions in the world Thursday, and similar conditions are expected to ...

For many, it has started to feel like the bad air quality in Michigan from the Canadian wildfires is becoming the new summer ...

Wildfire smoke from Canada has prompted officials to place the Lehigh Valley and surrounding counties under an air quality ...

Smoke and grit from hundreds of forest fires have spread across large parts of Canada and the northern US, sending air quality across the Midwest and northeast US and Toronto to unhealthy levels.

Health officials from Minnesota to Maine have issued alerts warning of poor air quality from wildfires burning in Canada.