Hazy skies from fires are reminiscent of 2023 when Chicago was the second-most-polluted major city in the country.

The Illinois Environmental Protection Agency does not expect this weekend's smoke infiltration to be as dangerous as June ...

National Weather Service officials are expecting patchy smoke from Canadian wildfires to move into the Chicago area Friday ...

Toxic air spreads hundreds or even thousands of miles from where wildfires burn. Last week, Chicago felt the sting—and ...

Another large fire exacerbated by climate change is threatening the health of Chicagoans. Government officials issued an air ...

Smoke from wildfires in Canada moved into the Chicago area Friday evening. Doctors are warning people about the potential ...

Wildfires are still raging in Canada, where there have been dozens of active fires, and over 33,000 people have been forced ...

The fires began earlier this week in the province of Manitoba. The smoke will bring hazy skies and could potentially affect ...

Weather experts forecast smoky skies in Chicago this weekend as wildfire smoke from Canada migrates into the U.S. Here's the ...

Illinois and Wisconsin will begin to see -- and smell -- the wildfire smoke coming from the north as early as Friday ...

Smoke from Canadian wildfires continues to plague the Upper Midwest and Great Lakes region, with multiple states under air ...