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

Wildfires scorching several Canadian provinces have driven at least 33,400 people from their homes, with smoke now reaching ...

Online map tools and resources let you track the Canadian wildfires and monitor poor air-quality conditions, which are ...

Smoke from wildfires raging in Canada has drifted into the United States, affecting air quality as far south as Florida.

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

Air quality alerts remain in effect for yet another day for the entire state of Minnesota with concentrations of wildfire ...

States across the border issued air advisories about particulate pollution that are expected to last for several days.

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

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

With 174 active wildfires burning across Canada, several U.S. states are under air quality alerts due to the traveling smoke ...

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

It smells like a bonfire outside Tuesday due to another day of poor air quality caused by smoke from the wildfires in Canada.