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

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 ...

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

Welcome back Canadian smoke. You weren’t missed. Another Air Quality Alert has been issued a large portion of the state until ...

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

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

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 ...

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

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