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 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.

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

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 ...

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

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.

What’s happening in Canada could be a sign of what’s to come in the United States this year. Experts say it is difficult to tell how severe California’s wildfire season will be after good ...

The 2023 Central Canada wildfires continue to blaze and the United States is feeling its effects. Here's what to know, including why they are happening and how long they are expected to last.