Some of the worst air quality will be right along Lake Michigan, as the majority of the Chicago metro area will be under that alert. The farthest counties like DeKalb, LaSalle, and Kankakee counties ...

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

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

Smoke from Canadian wildfires continues to choke the skies over the Upper Midwest this weekend, with the milky haze even ...

An Air Quality Alert was still in effect for a third straight day, but for a smaller portion of the Chicago area.

CHICAGO The Illinois Environmental Protection Agency (Illinois EPA) and the Illinois Department of Public Health (IDPH) are ...

The air quality unhealthy for sensitive groups.