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

Smoke from Canadian wildfires drifted into the region last week. Doctors said they've seen an influx in appointments for respiratory problems as a result.

Wednesday begins with a fair amount of sunshine for the first two thirds of the day, but some cloud coverage filters the ...

As the city's surface warms, it heats the air above it, causing that air to rise. This rising motion can pull in smoke-laden air from the north, bringing it down to the surface.

WGN-TV Chief Meteorologist Demetrius Ivory joins Lisa Dent to discuss how Canadian wildfires continue to affect Chicago’s ...

CHICAGO (WLS) -- An air quality alert was issued for the greater Chicago area on Tuesday. The alert was issued by the EPA at about 11:56 a.m. It will be in effect until midnight. Lake, Porter, Newton ...

The administration has filed a series of lawsuits targeting state or city policies it says are interfering with immigration ...

LaHood, a Republican, has served in the U.S. House since 2015. From 2015 to 2023, he represented Illinois’ 18th Congressional ...

Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast. Air ...

BATTLE CREEK, Mich. — A candidate for Battle Creek city manager has dropped out of the race. Larry Burks, a candidate from Ohio, will no longer be running for Battle Creek city manager, according to ...

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