In the U.S., wildfire smoke has reached states from Montana to Wisconsin but was especially heavy in Minnesota on Sunday.

With over 100 active wildfires burning in Canada, wildfire smoke has drifted across the border into the United States, prompting Minnesota officials to issue the state's first air quality alert of ...

"Fine particle levels are expected to reach the red air quality index (AQI) category, a level considered unhealthy for ...

More than 80 active wildfires burning across Canada are sending wildfire smoke back to Minnesota and Wisconsin Sunday. The ...

With over 100 active wildfires burning in Canada, wildfire smoke has drifted across the border into the United States, prompting Minnesota officials to issue the state's first air quality alert of ...

MINNEAPOLIS — Just last year, Canadian wildfires created a summer of smoke we'll never forget. "My eyes are burning, which is not normal," one person said. "My lungs have been hurting I've got a ...

Smoke from Canadian wildfires was predicted to spread across the state Sunday, prompting the Minnesota Pollution Control ...