Minnesota authorities warned of unhealthy levels of exposure to particles from wildfires. Symptoms include shortness of ...

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

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

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

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

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

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

The Pollution Control Agency has issued a statewide air quality alert, including all tribal nations, that will be in effect ...

Smoke traveling from wildfires in Canada, North Dakota and Minnesota triggered an air quality warning in northern Wisconsin.

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

The smell of fire filled the air as thick smoke from wildfires in Canada blanketed part of the Midwest and created hazardous ...