Smoke from Canadian wildfires continues to plague the Upper Midwest and Great Lakes region, with multiple states under air ...

By CALEIGH WELLS Plumes of smoke are blanketing large swaths of the U.S. and parts of Europe, which presents risks for those ...

As hundreds of wildfires burn across Canada, smoke is traveling south and potentially affecting Americans’ health. Here's why ...

Many fires burning across Canada, forcing evacuations and threatening air quality in the United States, cannot simply be put ...

The U.S. Environmental Protection Agency warns that wildfire smoke contains dangerous pollutants in the form of fine ...

Canada’s wildfire season is off to an intense start. A NASA satellite has recorded thousands of hot spots across the country ...

It's not Halloween, but it looks straight out of a horror movie: The Mackinac Bridge looked like it disappeared into some ...

The Illinois Environmental Protection Agency issued an "Air Pollution Action Day" for the Chicago metro area Thursday due to ...

Wildfire smoke was helping raise ozone to hazardous levels. No alerts have been issued, but the air quality may approach ...

An air quality index of 300 or higher is considered hazardous, and the record-breaking smoke AQI in Grand Portage reached 800 ...

Canada has one of the world's largest forests. It's experiencing heat and drought. It's a recipe for wildfires — and for ...