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

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

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

A group of Republican lawmakers has complained that smoke from Canadian wildfires is ruining summer for Americans, just days ...

Six members of Congress from Wisconsin and Minnesota have asked Canada to say how it plans to tackle the blazes and reduce ...

As we head into a sizzling week across Washington, we look at smoke conditions and air quality across the state impacted by ...

Scattering sunlight, disrupting bees, damaging plant tissue - farmers can’t always offset the effects of smoky days ...

Toronto and the GTA are under a heat wave and poor air quality warning issued by Environment Canada on July 14, 2025, due to ...

World Cup approaches, FIFA's guidelines for handling matches affected by wildfire smoke remain unclear. With Canada hosting ...

The Chicago area recorded ozone levels of 156 late Monday afternoon. Levels above 100 are considered unhealthy. Residents ...

Smoke from wildfires in Canada and Idaho barreled into Montana on Monday afternoon, rapidly degrading air quality across the Flathead Valley ahead of a major shift to cold and wet weather. Monitoring ...

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 ...