Chicago faces an air quality alert due to Canadian wildfire smoke and high ozone levels, with risks for sensitive groups.

As the city's surface warms, it heats the air above it, causing that air to rise. This rising motion can pull in smoke-laden ...

WGN-TV Chief Meteorologist Demetrius Ivory joins Lisa Dent to discuss how Canadian wildfires continue to affect Chicago’s ...

CHICAGO (WLS) -- An air quality alert was issued for the greater Chicago area on Tuesday. The alert was issued by the EPA at about 11:56 a.m. It will be in effect until midnight. Lake, Porter, Newton ...

At least twelve states have issued air quality alerts and advisories due to the ongoing Canadian wildfires sending smoke down ...

The public is advised to take precautions, especially those sensitive to polluted conditions, by limiting their time outside ...

As Canadian wildfire smoke lingers in the skies, the Chicago area will soon be under an air quality alert, but the smoke ...

PHILADELPHIA (WPVI) -- Smoke particles from Canadian wildfires are causing air quality concerns in the Philadelphia region on ...

While an air quality alert continues for parts of the Midwest due to smoke from Canadian wildfires, northeastern Illinois was ...

Temperatures are then expected to soar into the lower 90s Thursday through Saturday. The hottest day will likely be Saturday ...