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

The Minnesota Pollution Control Agency (MPCA) has issued an air quality alert for a wide range of central and southern ...

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

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

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

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

The Minnesota Pollution Control Agency says additional air quality alerts are likely needed for much of Minnesota this weekend due to the heavy wildfire smoke in Canada moving into the upper Midwest.

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

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.

Minnesota authorities warned of unhealthy levels of exposure to particles from wildfires. Symptoms include shortness of breath, heart attack. stroke.