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

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

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

Canada’s wildfire activity is expected to rise significantly through August, with extreme fire danger in the west. Over 3,000 ...

A fire in Northern California’s Shasta County surpassed 10,000 acres over the weekend, prompting a handful of evacuations.

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

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 ...

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

By the time the Silver State Hotshot crew arrived from Nevada a few weeks ago, Canada’s wildfires had already scorched millions of acres and shattered all-time burning records.

Canada’s fire season is only just beginning, and officials there warned this week it would continue to be severe through the summer. If it follows the pattern of a normal year, ...

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