Smoke from Canadian wildfires again plagued portions of the northern United States on July 16, prompting air quality alerts from Illinois to Maine.

Canadian wildfires have caused hazy skies in metro Detroit. Michigan weather may be our best defense against fires here.

This article originally appeared on Inside Climate News, a nonprofit, non-partisan news organization that covers climate, ...

Thousands of people across one state were told to go inside if they start experiencing respiratory symptoms such as coughing.

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 ...

Wildfire smoke degrades air quality in swaths of Ontario, with Toronto ranking among the worst in the world on Monday.

Much of Central Canada, Manitoba and Saskatchewan were placed under special air quality statements or warnings on Monday due ...

Drone video captured wildfire smoke blanketing the skyline in Toronto, Canada on Monday (July 14).

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

Continued drifting of wildfire smoke from Canada and Alaska has prompted Bay Area air regulators to extend an air quality advisory through Monday.

The Bay Area Air District on Sunday morning issued an air quality advisory due to possible wildfire smoke from Canada and Alaska.