Parts of British Columbia, Alberta, Saskatchewan, Manitoba, Ontario, Quebec, New Brunswick, and Newfoundland and Labrador ...

On Friday, almost the entire country is under an Environment Canada air quality warning as wildfires continue to rage across ...

Poor air quality fuelled by wildfires burning across the Prairies left a large swath of the country enveloped in a haze again ...

Conditions are expected to gradually improve Sunday as winds dillute the fine particulate matter that affects health.

Air quality alerts are in effect across much of Canada as Prairie wildfires send smoke eastward, blanketing southern Ontario ...

Michigan's air, which has been tainted for several days by wafting smoke from Canadian wildfires, is expected to improve over ...

Wildfires have forced another 1,000 people to flee their homes in the Canadian province of Manitoba, which is under a state ...

According to Environment Canada, Montreal became "the most polluted major city in the world" today, with air quality at ...

Parts of Canada are seeing some of their most unhealthy air yet, and the smoke is likely to move over the United States again ...

An air quality alert has been issued for NYC and N.J. on Wednesday, as smoke from the Canadian wildfires blows into the ...

Canada's wildfires, which have already forced evacuations of more than 26,000 people, continued their stubborn spread Tuesday ...

In July and August 2021, smoke from wildfires in northwestern Ontario and Manitoba affected air quality in Montreal, according to a study led by Patrick Hayes, a professor in the Department of ...