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

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

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 ...

Smoke from Canadian wildfires is leading to very unhealthy air quality for much of Michigan, including all of Southeast ...

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

Canadian wildfires continue to burn, and plumes of smoke linger over Michigan. Air quality advisories, alerts on June 5.

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

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 ...

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

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