Breathing in polluted air for extended periods of time can pose a serious health risk for people, especially for vulnerable ...

Douglas McIntyre, Editor-in-Chief at Climate Crisis 24/7, reports that a growing number of U.S. states are under active air quality alerts due to dangerous levels of wildfire smoke. Citing data from ...

Chicago will see near-90 temperatures, high humidity, and poor air quality today, with storm chances returning tonight.

According to the National Weather Service, the air quality alert remains in effect through midnight in parts of the Chicago ...

CHICAGO (WLS) -- An air quality alert has been extended for part of the Chicago area through Thursday. The alert for McHenry, Lake, Kane, DuPage, Kendall, Grundy, Cook and Will counties in Illinois ...

Concern for poor air quality in the greater Chicago area remains as the Illinois EPA extends its alert until Thursday night.

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

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

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.

As the city's surface warms, it heats the air above it, causing that air to rise. This rising motion can pull in smoke-laden air from the north, bringing it down to the surface.

An air quality alert was issued for the greater Chicago area on Tuesday. ABC7 Chicago is now streaming 24/7. Click here to watch The Illinois EPA issued an Air Pollution Action Day for Wednesday for ...