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.

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.

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.

Wildfire smoke has settled thickly in parts of New York, Connecticut, Wisconsin, Michigan and Minnesota—and it’s heading further south.

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, exposing millions of…

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.

Wildfires in Canada and Minnesota are sending heavy smoke to the Midwest and Northeast U.S., causing poor air quality alerts.

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.

Around 100 million Americans could be affected by the wildfire smoke, though impacts will vary by location

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.

Over 830 wildfires burn across Canada, with many classified as out of control. Thick smoke blankets parts of Canada and the United States, affecting air quality. Officials warn of…

Wondering why it smells like smoke outside? Canadian wildfires are impacting millions in Ontario, Minnesota, Toronto, New York, Michigan, Wisconsin and Boston.

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

Large swaths of the US remain under air quality warnings

Hundreds of fires are burning out of control, and several factors could help bring more smoke to the U.S. for days or even weeks to come.

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

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.…

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.

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