Amid thousands of evacuations and the spread of smoke to the United States, the Canadian armed forces and the Coast Guard ...

Canada is having its second worst wildfire season yet. Two scientists explain what a red air alert means and how anyone living in impacted areas can protect themselves.

Wildfire smoke from Canada has made for bad air quality over parts of the Upper Midwest. Most of Minnesota had “unhealthy” air quality Saturday. That is according to a U.S.

Wildfire smoke will continue to linger and bring a haze to parts of the area Wednesday. Expect overall cloudy and muggy ...

Air quality alerts are in effect on Tuesday in 10 states as toxic smoke from hundreds of wildfires burning in Canada ...

Canadian wildfire smoke will lend a hazy appearance to the sky, and high clouds blanket much of the Philadelphia region, ...

Canadian wildfire smoke, along with high clouds blanketing much of the Philadelphia region, will lend a hazy appearance to ...

Under a Code Orange alert, it's recommended that children, older adults and those with respiratory illnesses limit time spent ...

Canadian wildfire smoke will lend a hazy appearance to the sky, and high clouds will blanket much of the region, filtering the sun and slightly limiting Tuesday afternoon warmth. The smoke will likely ...

When combined with the Philly area’s warm, sunny weather, the incoming smoke stands to increase levels of ozone, the ...

Smoke from wildfires burning across Canada are bringing hazy conditions to the area, and all of eastern Pennsylvania is under ...

Dangerous air quality will be a significant issue for millions of Americans to deal with early this week, as fires continue to spark throughout Canada.