Wildfires burning in Canada were causing unhealthy air quality across parts of North America on Monday. Canadian wildfires ...

Canadian wildfire smoke has affected Wisconsin all week, prompting multiple air quality alert extensions from the DNR.

Air quality concerns continue to expand from the Upper Midwest through the Great Lakes region and into the Northeast and New ...

Detroit currently is ranked third worst worldwide for major city air quality today, Aug. 4, because of smoke from Canadian ...

Millions of people across the Upper Midwest and the Northeast are under air quality alerts Monday, as smoke from wildfires in ...

When combined with the Philly area’s warm, sunny weather, the incoming smoke stands to increase levels of ozone, the ...

The National Weather Service reported an air quality alert at 1:20 p.m. EDT on Monday in effect until Wednesday at midnight ...

Smoke from Canadian wildfires continues to affect air quality across the Midwest, though Monday’s conditions were an ...

Canada is experiencing a terrible wildfire season with nearly 4,000 wildfires so far this year, close to a record pace.

The Wisconsin Department of Natural Resources re-extended its air quality alert statewide as wildfire smoke lingers.

Smoke from a wildfire in San Luis Obispo and Santa Barbara counties is affecting air quality to start the week in Los Angeles ...

Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast.