Wildfire smoke brings hazy skies and poor air quality to Chicago today, with hot and humid weather building into the weekend.

Air quality alerts have been issued across 12 states for Wednesday, according to the National Weather Service.

The air quality index (AQI) dropped below 100 overnight, meaning the air quality is now “unhealthy for some” across a good portion of northern Illinois. Those with heart and lung ...

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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.

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.

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 ...

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

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 ...