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

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

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 ...

Users across Chicago were met with warnings from their smartphones about the city's air quality Wednesday that led to much ...

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

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

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

Air pollution levels keep getting worse for more people in the US, according to a new report, and experts say the Trump ...

Smoke from a NJ wildfire is pushing NYC air quality into the danger zone. Officials urge sensitive groups to limit outdoor ...

The metro area ranked 15th overall for levels of smog, according to a new analysis from the American Lung Association.

Chicago’s air quality worsened, ranking 15th for smog and 19th for particle pollution nationally, according to the American ...

The complete conversion of the fleet in Waukegan is part of Pace’s Project Zero, making all buses in the company’s six-county area around Chicago electric-powered by 2040. Maggie Daly ...