A Chicago Air Quality Alert has been extended through Friday as smoke from Canada wildfires has pushed the AQI into unhealthy ...

An air quality alert has been extended for the Chicago area as "unhealthy" levels are expected to continue into the start of ...

An air quality alert is in effect until midnight Thursday for the Chicago area as Canadian wildfires continue.

An air quality alert remains in effect for the entire Chicago area, with another "Air Pollution Action Day" alert declared as ...

An Air Pollution Action Day was called Wednesday morning for the Chicago area and is in effect until midnight, weather ...

Smoke coming in from Canadian wildfires settled over Chicago, causing unhealthy air quality conditions for at-risk groups.

Another large fire exacerbated by climate change is threatening the health of Chicagoans. Government officials issued an air ...

Wildfires are still raging in Canada, where there have been dozens of active fires, and over 33,000 people have been forced ...

Illinois environmental officials are warning residents about air quality concerns as wildfire smoke from Canada persists in ...

CHICAGO (WLS) -- The Chicago area is under an air quality alert until Friday night due to the Canadian wildfire smoke. Environmental officials said the pollutants from the smoke will be sticking ...

Thursday will bring hazy sunshine with highs in the lower 70s. With northeast winds expected, lakefront locations will likely ...