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

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

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.

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

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

You’re not imagining that campfire smell — thick smoke from Canadian wildfires has settled over Minnesota again, with air ...

Six Republican Congress members callously urged Canada to take “proper action” to mitigate smoke wafting into the U.S.

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 ...

Some of those blazes also sent thick, hazardous smoke into U.S. cities.This year, wildfires have burned more than 1.58 million acres in Canada so far, about 40% above the 10-year average for this ...