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

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

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

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 ...

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

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

Smoke will remain in the skies over Chicagoland tonight and Wednesday. Tomorrow will be a hot day with highs just shy of 90 ...

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

Smoke from Canadian wildfires triggered an air quality alert Thursday across northeast Illinois, meaning conditions are ...

Chicago's weather forecast includes variable skies and 70s, with weekend rain chances and improving air quality.

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