A number of states in the United States have declared air quality warnings with concerning levels noted across many of the ...

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

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 ...

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

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

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 ...

CHICAGO (WLS) -- An air quality alert was issued for the greater Chicago area on Tuesday. The alert was issued by the EPA at about 11:56 a.m. It will be in effect until midnight. Lake, Porter, Newton ...

The remaining 10 states affected by medium to heavy smoke from the wildfires are Colorado, New York, New Jersey, Connecticut, Pennsylvania, Vermont, Massachusetts, Indiana, New Hampshire, and ...