Wildfire smoke has been pouring across the U.S. border from fires in Canada again, turning skies an eerie shade of orange in several states in July 2026

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

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.

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

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.

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

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…

Canadian wildfires sent plumes of smoke streaming over Ontario, Quebec, and parts of the U.S. Midwest and Northeast.

Canada wildfires 2026 smoke drifts across North America, triggering air quality alerts and health concerns. Thousands of campers were evacuated from remote areas after…

The triple threat of wildfire, poor air quality and extreme heat have been impacting countries around the world, including Canada, the United States and European nations

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

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.

Chemicals and particles too small to be seen from wildfire smoke can cause problems ranging from minor to serious

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.

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…

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…

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