While the haze slightly lifted Saturday morning, air quality levels are expected to worsen across the Chicago area over the ...

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

Chicago air quality remains in the top five worst in the world Friday with an Air Quality Alert in place from Canadian ...

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

National Weather Service officials called an air quality alert in effect until midnight as well as a beach hazard warning.

"The air quality is officially dangerous in Chicago," says Brian Urbaszewski, director of environmental health programs at ...

Chicago's Air Quality Alert continues due to Canadian wildfire smoke, with health advisories for sensitive groups amidst ...

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

Hazy skies from wildfire smoke will linger through the weekend in Chicago, with mild temperatures and an air pollution alert ...

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