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

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

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

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

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 engulfing much of the eastern and central United States and and is expected to continue for ...

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

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

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

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