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

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

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

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

Ontario's poor air quality and hazy skies will persist for the next couple of days for many areas, with widespread alerts ...

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

More than 200 wildfires are blazing across central and western Canada, half of which are out of control because they’re so hard for crews to access, forcing 27,000 people to evacuate. Even those ...

The Dragon Bravo Fire in Arizona has destroyed dozens of structures and a water treatment facility on the Grand Canyon's ...

There are just over 170 wildfires burning across Canada as of Thursday, according to the Canadian Interagency Forest Fire Center, and about half are uncontrolled.

Above-average fire weather severity is forecast for almost all of Western Canada in June and July, but things could take a turn to the extreme in August, according to Natural Resources Canada.

This story was originally published by Grist.Sign up for Grist’s weekly newsletter here.. More than 200 wildfires are blazing across central and western Canada, half of which are out of control ...