Wildfire smoke brings hazy skies and poor air quality to Chicago today, with hot and humid weather building into the weekend.

Smoke from hundreds of wildfires in Canada is lingering over the northern U.S., spreading across to roughly a dozen states ...

Air quality has taken a serious hit across the United States as a two-fold blow of wildfires in the West and in Canada have ...

The public is advised to take precautions, especially those sensitive to polluted conditions, by limiting their time outside ...

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

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

"The air quality is officially dangerous in Chicago," says Brian Urbaszewski, director of environmental health programs at ...

The hazy skies in the Chicago area are the visible sign of the poor air quality on Thursday as smoke from Canadian wildfires ...

An elevated flooding risk persists on Sunday for some parts of the Southeast as Alabama, Georgia and the Florida Panhandle ...

An air quality alert covering the entire state of Minnesota continues on Thursday, marring otherwise fairly ideal weather ...

Chicago air quality remains in the top five worst in the world Friday with an Air Quality Alert in place from Canadian ...

As Canadian wildfire smoke lingers in the skies, the Chicago area will soon be under an air quality alert, but the smoke ...