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 ...

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

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

Although the majority of wildfires are occurring in western Canada, smoke from these fires has been drifting eastward, ...

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

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

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

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

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

Haze from Canadian wildfires is seen over Lake Michigan as a person runs along the shoreline Monday in Chicago. Wildfires ...

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