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

Smoke from the Canadian wildfires continues to bring potentially dangerous air quality to parts of the northern U.S., with ...

Wildfires have forced a further 1,000 people to flee their homes in the Canadian province of Manitoba, which is under a state ...

In the upper Midwest of the United States, Michigan, Wisconsin and Minnesota have issued air quality warnings as smoke from ...

Rounds of smoke from hundreds of Canadian wildfires, as well as dust blowing off Sub-Saharan Africa, will continue to envelop ...

Smoke from wildfires in Canada has spread more than 5,000 miles, reaching parts of Russia and Europe during the past week.

Wildfires are still raging in Canada, where there have been dozens of active fires, and over 33,000 people have been forced ...

Smoke will likely be an ongoing health hazard across North America for the next few months. Here's what to expect.

Smoke from Canadian wildfires is beginning to worsen air quality in the eastern U.S. as several Midwestern states battle ...

Another large fire exacerbated by climate change is threatening the health of Chicagoans. Government officials issued an air ...

Wisconsin has been dealing with thick wildfire smoke aloft from Canada during the end of May and early June. As south-central ...