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 ...

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

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 ...

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

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

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

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

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

The Minnesota Pollution Control Agency says additional air quality alerts are likely needed for much of Minnesota this ...