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

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 ...

The Minnesota Pollution Control Agency (MPCA) issued the alert for central and southern Minnesota, which will run until 11 ...

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

Smoke has made its way back into the northern tier of the U.S., prompting air quality alerts in North Dakota, Minnesota and ...

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

All of Minnesota will experience poor air quality this weekend as smoke — both near the surface and at higher altitudes — ...

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 issued an air quality alert for much of state through Wednesday as smoke from ...

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