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

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

Canadian wildfire smoke is triggering air quality alerts across the U.S. Midwest and Northeast on Thursday, as the northern ...

Smoke poured over the Canadian border into eastern Alaska this weekend, bringing poor air quality to communities from ...

Canadian wildfire smoke is once again drifting into the United States, affecting air quality across several regions. The lingering haze can pose health risks, especially for people with allergies, ...

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

The raging fires on Thursday are also expected to degrade air quality in parts of the Great Plains and Midwest. In New York, ...

The advisory warns that communities along the eastern border of the state will be most affected as upper and lower-level ...

Smoke traveling from wildfires in Canada, North Dakota and Minnesota triggered an air quality warning in northern Wisconsin.

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

Officials issue an air quality advisory for counties in southwest Michigan as Canadian wildfires burn. Here's what the air ...