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

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

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

There were 118 active wildfires burning across Manitoba as of Thursday, with Saskatchewan reporting 48 active wildfires as ...

Hundreds of wildfires are burning across the Western states, Alaska and Canada as fire season perks up amid a sprawling heat ...

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

Multiple U.S. states and Canadian provinces are experiencing poor air quality from wildfire smoke. Here's where.

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

A Canadian wildfire crew leader was scouting around the Summit Lake Fire in British Columbia when he stumbled upon a mother ...

Plenty of rainfall events have tipped the precipitation scales in parts of Canada, but there are several locales that have ...

The 2026 World Cup being hosted by Canada, Mexico and the United States is less than a year away and FIFA's protocols for ...

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