The Air Quality Health Index was first created to show possible health and environmental impacts to vegetation, visibility ...

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

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

In the upper Midwest of the United States, Michigan, Wisconsin and Minnesota have issued air quality warnings as smoke from ...

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

More than 200 wildfires are raging across Canada, sending a thick blanket of choking smoke through the U.S. Midwest. Experts ...

Canada had its most destructive series of wildfires ever, and one expert says the country is currently on track this year to ...

Smoke will likely be an ongoing health hazard across North America for the next few months. Here's what to expect.

Air quality alerts and advisories have been issued in multiple states as Canadian wildfire smoke continues to spread.

The Michigan Air Quality Division said as smoke from Canadian wildfires continues to threaten the upper Midwest, "monitors in ...

Canadian wildfire smoke continues to cause hazy conditions across the Granite State, and it's impacting air quality in many areas. The Department of Environmental Services has declared an air quality ...