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

Smoke from wildfires in Canada has spread more than 5,000 miles, reaching parts of Russia and Europe during the past week.

Millions of Americans across the northern U.S. were expected to experience frequent episodes of hazy, milky skies throughout ...

The Minnesota Pollution Control Agency (MPCA) issued an air quality alert starting at 1 p.m. Thursday, extending to 7 p.m.

Crews in northern Minnesota have made progress controlling wildfires burning north of Duluth and in the Boundary Waters. But they'll be tested by extreme fire conditions before thunderstorms arrive.

Smoke from Canadian wildfires worsened air quality in the eastern U.S. on Wednesday as several Midwestern states battled conditions deemed unhealthy by the federal government. The fires have forced ...

The sky has been hazy over Warren County since the rain stopped due to events far from the region. Canadian wildfires have ...

The sky has been hazy over Warren County since the rain stopped due to events far from the region. Canadian wildfires have ...