Wildfires are burning in several provinces, forcing thousands of people from their homes. Smoke from those fires is choking out millions in major cities across North America.

Over 800 wildfires are burning through forests in Canada, prompting heavy smoke warnings for millions of Americans.

There are more than 830 wildfires in Canada as of Wednesday morning.

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.

More than 830 wildfires were burning in Canada on Wednesday, along with more than a dozen in northern Minnesota, forcing mandatory evacuations.

Roughly 100 wildfires are raging out of control in Ontario, sending smoke streaming more than 1,000 miles from their origin.

Wildfire smoke is dense enough in a handful of states that experts recommend masks for those who can’t stay indoors.

Fires in parts of Canada are blanketing several cities with smoke. Experts recommend limiting time outside, purifying indoor air and wearing a respirator if outside.

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…

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.

Canadian wildfires in Ontario have triggered mass evacuations and sent hazardous smoke across parts of the US and Canada, causing unhealthy air quality, health warnings, and…

"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.

A stalled high pressure, drought across North America and a smoke-bearing jet stream converged into the continent's most extreme weather week in years. | World News

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…