The Chicago area recorded ozone levels of 156 late Monday afternoon. Levels above 100 are considered unhealthy. Residents ...

Hugo Cuypers and Jack Elliott each scored a goal, and Chris Brady recorded his third clean sheet of the season to help the ...

An Air Quality Alert has been issued through Tuesday for the Chicago area from wildfire smoke coming in from Canada.

The air quality is poor today in northern Illinois due to migrating Canadian wildfire smoke. See the AQI in your area.

Multiple U.S. states and Canadian provinces are experiencing poor air quality from wildfire smoke. Here's where.

Much of the Upper Midwest on Saturday was dealing with swaths of unhealthy air due to drifting smoke from Canadian wildfires.

CHICAGO (WLS) -- An air quality alert was extended through Wednesday by the National Weather Service for the Chicago area.

Hugo Cuypers and Jack Elliott scored for Chicago and CF Montreal lost its 15th game on the season, falling 2-0 to the Fire at ...

Douglas McIntyre, Editor-in-Chief at Climate Crisis 24/7, reveals that living in Chicago is equivalent to smoking 139 cigarettes annually due to air pollution. Despite its lakeside location and ...

Air quality in the Chicago area has remained poor for three days in a row, the NBC 5 Storm Team reported Wednesday morning.

Sensitive groups are advised to stay indoors and limit outdoor activities as pollution and ozone levels spike to unhealthy ...

An air quality alert in the Chicago area will stretch into a third day as pollutants continue to linger in the air at high ...