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

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 ...

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

Chicago air quality is at an unhealthy level for many, especially sensitive groups, as smoke from the Canadian wildfires is ...

Despite better air on Friday in Chicago, the city remains under an air quality alert. It remains among the most unhealthy in ...

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

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

The Air Quality Alert issued for Chicagoland has been extended through Friday. Emily Wahls has your weather update!

Canadian wildfires brought some of the worst air quality in the world to Chicago last week. Since then, the AQI has gotten a ...

The Illinois EPA declared an Air Pollution Action Day in the Chicagoland area. Find out which counties are affected and what ...

Out-of-control Canadian wildfires are contributing to hazy conditions in the Chicago area, creating health implications for ...