Wildfire smoke has pushed Chicago's air quality into the "unhealthy" zone. It's so bad, in fact, that we're the most polluted ...

While the haze slightly lifted Saturday morning, air quality levels are expected to worsen across the Chicago area over the ...

Smoke from Canadian wildfires is once again impacting air quality in the Chicago area, with air quality index readings ...

The hazy skies in the Chicago area are the visible sign of the poor air quality Thursday as smoke from Canadian wildfires ...

Wildfire smoke from Canada turned Chicago into one of the world’s most polluted metro areas as the Lollapalooza music ...

CHICAGO (WLS) -- Air Quality Alerts remain in effect for the Chicago area Friday due to smoke from Canadian wildfires.

Most of the Chicago area remains under an Air Quality Alert on Saturday due to smoke from Canadian wildfires. The alert was, at one point, set to expire late Friday night for most of the area, but it ...

Chicago’s air quality was among the worst in the world Thursday afternoon, according to IQAir. The air quality in Chicago ...

Chicago's Air Quality Alert continues due to Canadian wildfire smoke, with health advisories for sensitive groups amidst ...

Chicago air quality remains poor Friday thanks to Canadian wildfire smoke. An Air Quality Alert remains in place as events including Lollapalooza and Fiesta del Sol enter their second day.

Wildfire smoke from Canada and the western US has drifted over the Great Lakes, causing hazardous air quality in Chicago, ...

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