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 alerts are in place for portions of 10 states from Minnesota to Delaware as officials warn the smoke may become ...

The scale and intensity of the fires have had transboundary effects. Smoke from the blazes has drifted across the border into ...

Chicago had the distinction last week of having the worst air quality in the world due to Canadian wildfires. The big ...

Wildfire smoke from Canada is a problem again in the Chicago area, with an air quality alert in place now extended through ...

Air quality alerts have been issued across 12 states for Wednesday, according to the National Weather Service.

With Canadian wildfires seemingly out of control, states from Wisconsin to Maine and as far south as Pennsylvania and ...

Wednesday begins with a fair amount of sunshine for the first two thirds of the day, but some cloud coverage filters the ...

Chicago faces an air quality alert due to Canadian wildfire smoke and high ozone levels, with risks for sensitive groups.

Meteorologist Tony Pann has some tips on preventing wildfires as smoke from Canada has prompted air quality alerts across the ...

WGN-TV Chief Meteorologist Demetrius Ivory joins Lisa Dent to discuss how Canadian wildfires continue to affect Chicago’s ...