On Monday, severe thunderstorms will focus farther west as a cold front from central Canada moves into the region.

A National Weather Service meteorologist said even if winds from the northwest clear skies as expected later this week, the smoky air could keep returning until the fires are out.…

A think blanket of hazardous wildfire smoke spread from the Great Lakes to the East Coast on Thursday, putting millions of Americans at health risk.

Heavy, pungent wildfire smoke darkens skies in the US from the Great Lakes to parts of the East Coast, reducing visibility and prompting warnings that breathing the air outside…

NEW YORK: Heavy smoke from hundreds of wildfires in Canada enveloped a swath of the US from the Midwest to the...

US states near the Canadian border including Minnesota, Wisconsin, Michigan and Illinois were particularly choked, while the Northeast including New York was also experiencing…

Wildfire smoke is causing dangerously bad air across the Midwest and Northeast — and could soon waft elsewhere.

Heavy smoke from more than 800 wildfires burning across Canada enveloped a swath of the US from the Midwest to the Northeast on Thursday.

Wildfires in Canada are pouring thick clouds of smoke into the US and will usher in unhealthy air quality for millions of people in Northeast and Midwest.

Over 120 million people were at risk of dangerous air quality

Forecasters have predicted that the heat and smoke will subside in some areas starting on Friday—but the air quality could worsen yet again this weekend in others.

Millions of people in the Great Lakes, Northeast and Mid-Atlantic states are muddling through another day of hazy, unhealthy air as smoke from wildfires in Minnesota and Canada…

Cool and warm air will battle across the Northeast this weekend as more Canadian wildfire smoke degrades air quality.

The smoke has gotten so bad in some states this week that elected officials demanded answers from Canada, and one senator has even called for sanctions.

Wildfire smoke and unhealthy air persist and shift direction, as Trump demands explanation from Canada.

Smoke from Canada's wildfires spread across the US Northeast and Great Lakes, triggering unhealthy air alerts, health warnings and travel disruptions.

Millions of people in the Great Lakes, Northeast and Mid-Atlantic states muddled through another day of unhealthy air from uncontrolled wildfires on Friday.

Dangerous wildfire smoke is impacting over a dozen states Saturday as air quality alerts span from the Upper Midwest and Great Lakes to the Northeast and Mid-Atlantic.

Wildfires are burning in the Ontario area of Canada as well as the Boundary Waters Canoe Area Wilderness in Minnesota.

Wildfire smoke is shrouding major cities in haze as air quality alerts remain in effect.

Poor air quality from wildfires continues to plague New York City as several neighborhoods hit by thunderstorms