Air quality in the Chicago area remains poor for the third straight day in a row, with an air quality alert in effect through Wednesday night, along with extremely muggy conditions and the chance for ...

The Illinois EPA declared an Air Pollution Action Day in the Chicago metro area. See today's air quality index forecast for Illinois.

ABC7 Chicago's Air Quality Tracker provides real-time updates on the latest air quality data available from government monitors across the region. ... The air quality index breaks down ...

The World Air Quality Index reported, Chicago had the worst air quality on Tuesday. That group marked Chicago's air "unhealthy," and in the red zone. According to CBS 2 meteorologists, ...

Air quality map: Detroit, Chicago among Midwest cities impacted by Canadian wildfire smoke. ... Air quality index basics: How it works, what each color code means and how to stay safe.

Low: 68.   Tuesday opens with plenty of sunshine but some cottony cumulus clouds arrive on the scene by/during the ...