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

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

As Canada grapples with one of its worst wildfire seasons on record, smoke from the blazes have prompted air quality alerts ...

Smoke from Canadian wildfires continues to affect air quality across the Midwest, though Monday’s conditions were an ...

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

National Weather Service officials issued an air quality alert set to expire at midnight Saturday for the Chicago and ...

The National Weather Service has opted to extend an air quality alert in the Chicago area for another day.

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

Illinois, Michigan, Wisconsin and Minnesota are under air quality alerts for unhealthy conditions as Canadian wildfire smoke ...

The smoke is expected to remain over the northern and central Plains of the United States for the next couple of days, ...

St. Louis and the entire state of Illinois will be under an air quality alert Friday due to wildfire smoke from Canada ...

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 ...