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

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

Drivers traveling over Michigan's Mackinac Bridge on Wednesday may experience a haze. However, officials say it is not fog ...

Wildfires scorching several Canadian provinces have driven at least 33,400 people from their homes, with smoke now reaching ...

Plumes of smoke are blanketing large swaths of the U.S. and parts of Europe, which presents risks for those breathing it. The ...

Smoke from Canadian wildfires continues to worsen air quality across the Midwest and parts of the Northeast. The Canadian ...

Raging Canadian wildfires have forced evacuations from several mining operations as heat and wind push flames across the ...

Smoke from wildfires raging in Canada has drifted into the United States, affecting air quality as far south as Florida.

Parts of central Pennsylvania are under a code orange air quality alert, but the Midwest is seeing bigger air quality ...

Wildfires burning in Canada's oil-producing province of Alberta have reduced the country's daily crude production by about 7% ...

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