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

Douglas McIntyre, Editor-in-Chief at Climate Crisis 24/7, reports that a growing number of U.S. states are under active air ...

Smoke from ongoing wildfires across Canada continued to drift into parts of the United States on Wednesday, causing hazy ...

An air quality alert in the Chicago area has been extended for another day as Canadian wildfire smoke continues to plague the ...

Good afternoon, Chicago. Air quality alerts issued today in Illinois because of Canadian wildfire smoke marked the latest ...

An Illinois Air Pollution Action Day is declared when weather conditions are such that widespread ozone and or particulate ...

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 ...

Air quality alerts issued Thursday in Illinois because of Canadian wildfire smoke marked the latest bout in an increasingly ...

While an air quality alert continues for parts of the Midwest due to smoke from Canadian wildfires, northeastern Illinois was ...

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

National Weather Service officials called an air quality alert in effect until midnight as well as a beach hazard warning.

Smoke from Canadian wildfires has returned to Central Illinois bringing significant reductions in air quality to Central ...