Canadian wildfire smoke remains in Michigan. On July 16, officials issued an air quality advisory for western counties.

World Cup being hosted by Canada, Mexico and the United States is less than a year away and FIFA’s protocols for matches ...

Smoke from wildfires in Manitoba, a Western province facing its worst fire season in 30 years, has created hazardous air ...

Much of Central Canada and Manitoba are under special air quality statements or warnings today amid smoke from wildfires ...

As thousands more people are airlifted out of northern Manitoba communities because of wildfires, smoke is causing a haze in ...

BISMARCK, N.D. -- Much of the Upper Midwest on Saturday was dealing with swaths of unhealthy air because of drifting smoke from Canadian wildfires, covering the northern region of the U.S. at a time ...

Swaths of smoke from wildfires that have torched buildings and forced thousands from their homes in Western Canada have drifted as far as Newfoundland and Labrador in the east and Texas in the south.

The smoke from Canada’s wildfires may be even more toxic than usual A legacy of mining means that toxic metals could be carried along plumes of smoke.

Swaths of smoke from wildfires that have torched buildings and forced thousands from their homes in Western Canada have drifted as far as Newfoundland and Labrador in ...

PORTLAND, Maine — Smoke from Canadian wildfires started making air quality worse in the eastern U.S. on Wednesday as several Midwestern states battled conditions deemed unhealthy by the federal ...