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

The Minnesota Pollution Control Agency (MPCA) has issued an air quality alert for areas in northern Minnesota.

Smoke from Canadian wildfires worsened air quality in the eastern U.S. on Wednesday as several Midwestern states battled ...

The Canadian Wildfires have forced thousands of Canadians to flee their homes and sent smoke as far as Europe.

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

DULUTH, Minnesota — Smoke from wildfires burning in three Canadian provinces is spreading into the U.S. Upper Midwest, ...

An air quality index of 300 or higher is considered hazardous, and the record-breaking smoke AQI in Grand Portage reached 800 ...