Canadian wildfires, along with high temperatures, are partly to blame for hazy skies and foul air. But passing storms may ...

Smoke from the Canadian wildfires continues to bring potentially dangerous air quality to parts of the northern U.S., with ...

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

Smoke from Canadian wildfires is engulfing much of the eastern and central United States and and is expected to continue for ...

Central Ohio is under an air quality alert Saturday due to smoke from Canadian wildfires. The Mid-Ohio Regional Planning ...

Wildfires are still raging in Canada, where there have been dozens of active fires, and over 33,000 people have been forced ...

The Maine Department of Environmental Protection warns that unhealthy conditions may persist through the weekend.

Another large fire exacerbated by climate change is threatening the health of Chicagoans. Government officials issued an air ...

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

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

An air quality alert is in effect until midnight Thursday for the Chicago area as Canadian wildfires continue.

An Air Pollution Action Day was called Wednesday morning for the Chicago area and is in effect until midnight, weather ...