Several U.S. cities are experiencing heightened air pollution levels on Wednesday, including parts of Chicago.

A concerning air quality mystery has broken out, as the city was reportedly blanketed with toxic chemicals - although not ...

Not everyone was reporting the dangerous air quality levels, though. The Environmental Protection Agency’s AirNow is a go-to ...

Good afternoon, Chicago. Readings from several popular weather apps had people across the Chicago area spending much of yesterday wondering whether their air was safe to breathe — until the ...

Various popular weather apps across Chicago showed that the air was unsafe to breathe early Wednesday morning, prompting ...

Chicago's skyline has been shrouded in mystery as conflicting reports of toxic air chemicals swirl, leaving residents ...

It's the first day of the 2025 NFL Draft and we've got full coverage of everything that's happening in Green Bay.

Meteorologist Tony Pann shows the next chance for storms in Maryland, which could impact your weekend plans.

The American Lung Association said they hope the report helps convince Illinois lawmakers to take action to improve air ...

Chicago’s air quality is among the worst in the U.S. according to a new ranking, but what’s driving the increase in pollution?

The American Lung Association has released its annual “State of the Air” report and several major cities are among the worst ...

Earth Day events are still going on this weekend. Plus, Chicago's biggest art show hits Navy Pier. You can also shop a vintage market, enjoy 65 years of laughs at Second City, celebrate Skylark's ...