Smoke from the Canadian wildfires continues to bring potentially dangerous air quality to parts of the northern U.S., with ...

Continued drifting of wildfire smoke from Canada and Alaska has prompted Bay Area air regulators to extend an air quality ...

Dozens of wildfires are burning in the Canadian province of Québec, and the smoke is so bad that it's causing air quality problems across large swaths of the U.S.

An air quality alert has been issued for most of Southeast Michigan on Independence Day. The alert is in effect for most ...

An air quality map shows conditions improving in the U.S. on Friday as smoke from the Canadian wildfires subsides.

More than 100 million people are under air quality alerts Friday morning from Wisconsin to Vermont and down to North Carolina as smoke from Canadian wildfires continues to waft south, though ...

Smoke from Canadian wildfires carried another day of poor air quality south of the border to the Midwest, where conditions in parts of Minnesota, Wisconsin and Michigan were rated “very ...

Smoke from raging Canadian wildfires is once again worsening air quality in some U.S. states.. Parts of the Dakotas, Minnesota, Wisconsin, Illinois, Indiana, Ohio and other states were all ...

Smoke from wildfires raging in Canada has drifted into the United States, affecting air quality as far south as Florida and creating a "very unhealthy" situation in parts of Minnesota on June 3 ...

HEALTH Canadian wildfire smoke disrupting air quality for millions of Americans: ‘Can travel deep into the lungs’ Larger, more intense wildfires 'are creating the potential for greater smoke ...

More than 25,000 residents in three provinces have been evacuated as wildfires remained active and diminished air quality in parts of Canada and the U.S.