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 ...

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.

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

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

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

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

With 174 active wildfires burning across Canada, several U.S. states are under air quality alerts due to the traveling smoke ...

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