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.

More than 25,000 residents in three provinces have been evacuated as dozens of wildfires remained active Sunday and ...

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

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

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

The Minnesota Pollution Control Agency (MPCA) has issued an air quality alert for all of Minnesota due to smoke from the ...

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

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

Rising heat, winds, and dry air sparked blazes in the Canadian provinces of Saskatchewan and Manitoba, according to the ...