There is an air quality advisory for Saturday due to wildfire smoke in parts of Ontario. Environment Canada says wildfire ...

California's largest blaze this year explodes in size as hot weather raises wildfire risk statewide Megalodon Sharks Were ...

Smoke from wildfires in Canada has spread more than 5,000 miles, reaching parts of Russia and Europe during the past week.

Canada's environment ministers back tougher air quality standards, citing wildfire smoke and rising health risks from fine ...

Wildfires have been raging along the West Coast and in Canada for most of the spring and summer. For some U.S. residents, ...

Continued drifting of wildfire smoke from Canada and Alaska has prompted Bay Area air regulators to extend an air quality ...

An air quality map shows conditions improving in the U.S. on Friday as smoke from the Canadian wildfires subsides.

Air quality warnings were issued for most of Alberta on Wednesday as smoke from the many wildfires in western Canada covered the province in a thick blanket of smoke.

P lenty of research shows that respiratory distress and heart attacks spike in the event of smoke exposure; acute impacts of ...

Following a period of heavy wildfire smoke in Ontario, daily ED visits for asthma-related causes rose and stayed up for ...

Wildfires across Canada are devouring land at a pace unseen in any year other than the historic 2023 season. With more than 7.8 million acres (3.15 million hectares) burned, according to Canadian ...

As Canada’s wildfire smoke creeps down into the U.S., it’s also transforming. Chemical reactions between gases and sunlight create ozone, which further exacerbates lung conditions like asthma.