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 ...

Parts of central Pennsylvania are under a code orange air quality alert, but the Midwest is seeing bigger air quality ...

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

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

Living in the Midwest means being affected by the Canadian wildfires that occur just about every year. Here is what to know ...

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

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

The ongoing Canadian wildfires have reportedly blanketed a third of the United States, affecting millions, with the National ...

Smoke from Canadian wildfires is beginning to worsen air quality in the eastern U.S. as several Midwestern states battle ...