Concern for poor air quality in the greater Chicago area remains as the Illinois EPA extends its alert until Thursday night.

According to the National Weather Service, the air quality alert remains in effect through midnight in parts of the Chicago ...

An air quality alert in the Chicago area has been extended for another day as Canadian wildfire smoke continues to plague the ...

Most of the Chicago area remains under an Air Quality Alert this weekend due to smoke from Canadian wildfires.

The alert was also issued because of unhealthy ozone levels in addition to the smoke particles. The Chicago area has been ...

An air quality alert for the Chicago area was extended for a second time as smoke from Canadian wildfires lingers overhead Saturday. The National Weather Service extended an air quality alert for ...

According to the Chicago Office of Emergency Management, the alert has been extended through Saturday night. Highs today will ...

Chicago faces an air quality alert due to Canadian wildfire smoke and high ozone levels, with risks for sensitive groups.

Chicago is under an Air Quality Alert today because of wildfire smoke. Officials recommend reducing outdoor activity and checking on those most at risk. CHICAGO - Chicago's air quality reached an ...

Chicago will see near-90 temperatures, high humidity, and poor air quality today, with storm chances returning tonight.

National Weather Service officials issued an air quality alert set to expire at midnight Saturday for the Chicago and ...

The public is advised to take precautions, especially those sensitive to polluted conditions, by limiting their time outside and keeping windows and doors closed.