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

CHICAGO - It's another day of poor air quality across the Chicago region with temperatures set to warm up. Fox 32 ...

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 ...

CHICAGO - An Air Quality Alert is in effect until midnight Wednesday night for the following counties: McHenry, Lake (IL), ...

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

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

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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 ...

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

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

The results show that there were nearly 7% more deaths during the wildfires. Some are attributed to lung and heart conditions exacerbated by smoke or stress, while others are more indirect - like ...