As wildfires continue to rage in western Canada, the Environmental Protection Agency issued its first alert of the year for ...

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

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

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

Air quality alert issued for several New York regions June 8 due to Canadian wildfire smoke and fine particulate matter.

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

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

Active children, the elderly and people with asthma and COPD are more likely to suffer an increase in the number and severity ...

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

A gray haze from wildfire smoke could be seen in Cincinnati, and the entire state of Minnesota is under an air quality alert.

The Minnesota Pollution Control Agency issued an air quality alert for much of state through Wednesday as smoke from ...

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