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

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

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

As a day progresses the air near the water’s surface can warm some and the inversion erodes. The smoke will lift and ...

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

Smoke from Canadian wildfires is engulfing much of the eastern and central United States and and is expected to continue for ...

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

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

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

Smoke from Canadian wildfires has carried another day of poor air quality south of the border to the American Midwest.

Canadian wildfire smoke will again choke Minnesota skies on Sunday, prompting a statewide air quality alert that will last most of the day.