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 ...

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.

Smoke from raging wildfires in Canada is worsening air quality in some U.S. states. But will Greater Cincinnati be affected?

An air quality alert has been issued for the entirety of Minnesota on Sunday as Canadian wildfire smoke continues to impact ...

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

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

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 (MPCA) has issued an air quality alert for areas in northern Minnesota.

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