The Illinois EPA declared an Air Pollution Action Day in the Chicago metro area. See today's air quality index forecast for ...

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

Besides temperatures feeling in the high 90s, Chicago and surrounding areas are under an air quality alert until midnight, ...

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

The alert comes as humidity is expected to increase Tuesday, with high temperatures in the mid 80s to low 90s, with heat ...

An air quality alert was in effect for the Chicago area and northwest Indiana Tuesday as poor air quality from unhealthy, ...

An air quality alert was issued Thursday by the National Weather Service for the entire Chicago area through Friday night.

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

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 ...

Chicago’s air quality was ranked the worst in the United States on Thursday, ... 2025, as the skyline is obscured by air pollution from Canadian wildfires. (Eileen T. Meslar/Chicago Tribune) ...

Experts say rolling back power plant emissions will harm Chicago air quality 02:49. As the Environmental Protection Agency seeks to revoke a key rule setting limits on the amount of carbon dioxide ...