Much of southern Ontario was under an air quality statement on Thursday and Friday that lifted early Saturday morning.

Wildfires burning in Canada’s oil-producing region are prompting investors to examine the potential impact to midstream ...

Detroit currently ranks as the city with the worst air quality in the world as smoke from Canadian wildfires continues to ...

Smoke from wildfires ravaging northern Manitoba has impacted thousands of people in Winnipeg as poor air quality has forced ...

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

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

Marmot Basin escaped major damage from the large wildfires that ravaged through Jasper last summer, but the popular Alberta ...

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