John McEnroe is on the call of the men's championship match at Wimbledon on Sunday. The iconic American tennis player, who ...

The National Weather Service’s Chicago office attributed the alert to unhealthy ozone levels and lingering effects of smoke ...

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

The Illinois Environmental Protection Agency has issued an Air Pollution Action Day for Tuesday, July 15. Here's what to know ...

The Chicago Department of Buildings said the demolition of the structures would be “environmentally complex” — with concerns ...

Carbon emissions continue to increase at record levels, fueling climate instability and worsening air quality conditions for ...

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

Canadian wildfire smoke descended into the Upper Midwest again on Monday, heightening the risk of physical health impacts.

Wisconsin, Minnesota and Indiana all have air quality alerts, while Chicago's air quality currently ranks in the "unhealthy for sensitive groups" category.

Unhealthy air has invaded Minnesota, Wisconsin and North Dakota early this week as a new round of wildfire smoke from Canada ...

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