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

States warned residents about air quality issues that could last for days

Heavy smoke from several large wildfires blazing in Canada and Minnesota is expected to engulf large swaths of the Midwest and Northeast U.S. this week.

A massive plume of smoke from wildfires burning across Canada has swept into the United States, degrading air quality across the Midwest, Northeast and Mid-Atlantic.

Over 100 wildfires are burning in Canada, with winds carrying the smoke southeast. Warnings about unhealthy air extend from Minnesota through Toronto and into New York.

Warnings about dangerous, unhealthy air extended Wednesday from Minnesota through Toronto and into New York.

Massive plumes of Canadian wildfire smoke have started to pour over the border into the United States, bringing dangerous air quality to more than 100 million people in the…

Millions of Americans face air quality alerts from Minnesota to New York as authorities urge people to stay indoors

NEW YORK (AP) — Heavy, pungent smoke from Canadian wildfires darkened skies in the U.S. on Thursday, from the Great Lakes to parts of the East Coast, reducing visibility for

The Manhattan skyline was obscured by thick haze and Chicago closed its beaches Thursday as out-of-control Canadian wildfires raged, sending smoke spewing into the United States…

Air quality levels in Chicago, Detroitt and New York reached dangerously high levels on Tuesday as the US cities were shrouded in smoke produced by wildfires raging through…

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.…

"Controlled burns + thinning + clearing debris would go a long way in preventing this from happening every summer."

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.

Orange skies and heavy smoke covered large parts of the U.S. on Thursday as Canada and Minnesota grapple with wildfires. Hazardous air quality is expected to continue.

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...

An eerie haze was cast across areas of the US following over 800 wildfires ravaging Canada. The smoke culminated in a daunting circle above eastern Canada and parts of 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…

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.