An air quality advisory has been issued for the northern half of Wisconsin as Canadian wildfire smoke has mixed down the the ...

A Code Orange Air Quality Action Day has been issued for parts of the Pittsburgh area on Thursday.

Maps show where new plumes of smoke will cause hazy skies through the end of the week. Low-level smoke is forecast to spread ...

Smoke has made its way back into the northern tier of the U.S., prompting air quality alerts in North Dakota, Minnesota and ...

New York state health officials have issued an Air Quality Health Advisory for NYC on Thursday due to the forecast presence ...

At 3:45 p.m. on Wednesday, the National Weather Service reported an air quality alert in effect until Friday at midnight for ...

The National Weather Service reported an air quality alert at 3:45 p.m. on Wednesday in effect until Friday at midnight for ...

Wildfire smoke from Canada will bring hazy skies and diminished air quality to Northeast Ohio starting on Tuesday.

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

Smoke from Canadian wildfires continues to plague the Upper Midwest and Great Lakes region, with multiple states under air ...

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

The state Department of Environmental Conservation has issued an air quality health advisory for Sunday due to smoke from ...