Smoke from more than 100 wildfires blazing in Canada is expected to spread and impact air quality index in Minnesota.

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

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

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

In some parts of the U.S., air quality reached "unhealthy" levels Sunday in North Dakota and small swaths of Montana, Minnesota and ... at a news conference. Canada's wildfire season runs from ...

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

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

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

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

A series of wildfires burning across central Canada sent smoke billowing into the U.S. over the weekend, with few signs that ...

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