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

An air quality advisory for Long Island is the result of smoke from Canada wildfires, New York State officials say.

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

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

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

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 ...

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

An air quality alert for central and southern Minnesota continues from Wednesday into Thursday until 11 p.m. The Minnesota ...

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

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

PORTLAND, Maine — Smoke from Canadian wildfires started making air quality worse in the eastern U.S. on Wednesday as several ...