The Air Quality Alert will remain in effect through Friday night and expires at midnight. Organizers at Lollapalooza said ...

Wildfire smoke drifting across the Great Lakes has caused air quality to plunge to hazardous levels in several states, ...

Hundreds of thousands of music fans of all genres packed Grant Park for the first day of Lollapalooza 2025. But Chicago air ...

A total of 1 to 4 inches of rain fell across the I-95 corridor on Thursday, leading to numerous flash flood warnings.

"The air quality is officially dangerous in Chicago," says Brian Urbaszewski, director of environmental health programs at ...

While air quality was in the "unhealthy for sensitive groups" category in Chicago, it was even worse in some suburbs.

Lingering wildfire smoke is the reason for an air quality alert issued by the Illinois Environmental Protection Agency on ...

Several wildfires burning across the northwestern Canadian provinces are again sending vast amounts of smoke into the upper Midwest and northeastern US, swamping the area with unhealthy air quality – ...

Smoke from Canadian wildfires settled over Chicago Thursday, with air quality reaching “unhealthy” levels for everyone. Air ...

Chicago had the worst air quality in the world on Thursday. There is an Air Quality Alert for most of the area through Friday.

Wildfire smoke covered the Chicago area Thursday, leading to unhealthy air quality and a wave of haze, but where did it come ...

Wildfire smoke from Canada and the western US has drifted over the Great Lakes, causing hazardous air quality in Chicago, ...