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

Smoke will clear northwest Minnesota early Tuesday morning and air quality will begin to improve from northwest to southeast ...

Winds from the northwest will pull wildfire smoke back into Minnesota skies over the weekend, as well a chance for rain ...

Canadian wildfire smoke has become so intense that even young, healthy Minnesotans are experiencing symptoms similar to ...

The Minnesota Pollution Control Agency issued an air quality alert for much of state through Wednesday as smoke from ...

From Sunday to Tuesday, smoke in northwest Canada swirled into the northern Plains, giving Minnesota some of the worst air ...

The U.S. Environmental Protection Agency warns that wildfire smoke contains dangerous pollutants in the form of fine ...

Minnesota authorities warned of unhealthy levels of exposure to particles from wildfires. Symptoms include shortness of ...

Tracking how that smoke will move from Canada, or when it's going to cause problems at the surface, isn't easy.

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

Canada is having another bad wildfire season, and more than 27,000 people in three provinces have been forced to evacuate.

Smoke from wildfires burning in Canada will impact air quality in Minnesota Monday into Wednesday. Here's what to expect: ...