CHICAGO - It's another day of poor air quality across the Chicago region with temperatures set to warm up. Fox 32 ...

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

Smoke from hundreds of wildfires in Canada is lingering over the northern U.S., spreading across to roughly a dozen states ...

Smoke from Canadian wildfires continues to affect air quality across the Midwest, though Monday’s conditions were an ...

Air quality has taken a serious hit across the United States as a twofold blow of wildfires in the West and in Canada have ...

The public is advised to take precautions, especially those sensitive to polluted conditions, by limiting their time outside ...

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

An air quality alert covering the entire state of Minnesota continues on Thursday, marring otherwise fairly ideal weather ...

While an air quality alert continues for parts of the Midwest due to smoke from Canadian wildfires, northeastern Illinois was ...

While air quality was in the "unhealthy for sensitive groups" category in Chicago, it was even worse in some suburbs.

An Air Quality Alert is active until Thursday night at midnight. People with sensitivities should take precautions.

Minneapolis had the fifth worst air quality among 125 cities worldwide on Saturday morning, according to an international air ...