Chicago air quality remains in the top five worst in the world Friday with an Air Quality Alert in place from Canadian ...

The hazy skies in the Chicago area are the visible sign of the poor air quality Thursday as smoke from Canadian wildfires ...

Wildfire smoke from Canada is blanketing the skies in the Midwest, leaving millions with dangerous breathing conditions.

Wildfire smoke from Canada turned Chicago into one of the world’s most polluted metro areas as the Lollapalooza music ...

National Weather Service officials called an air quality alert in effect until midnight as well as a beach hazard warning.

It appeared that, as of Friday, Chicago-area residents wouldn't get a reprieve from poor air quality in the near future.

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

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

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

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 ...