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.

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

Experts are urging everyone to be ready if wildfire smoke is in their region. Wearing a well-fitted N95 mask outside can be ...

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

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

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

Wildfire smoke in several parts of the country is forcing summer camp providers whose communities are under air quality ...

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

The current infrastructure also isn’t set up to fully account for the shifting behavior of wildfire smoke, which can travel ...

Canadian wildfire smoke remains in Michigan. On July 16, officials issued an air quality advisory for western counties.

Wildfire smoke from Canada has made for bad air quality over parts of the Upper Midwest. Most of Minnesota had “unhealthy” ...