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

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

The 'unhealthy for sensitive groups' air quality in Chicago comes as an air quality alert was issued for the entire state of ...

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

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

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

The National Weather Service has issued an air quality alert for parts of the Midwest including the Chicago area as unhealthy smoke from Canadian wildfires continues to move south. The alert, issued ...

An air quality alert was in effect for the Chicago area and northwest Indiana Tuesday as poor air quality from unhealthy, elevated ozone and lingering wildfire smoke continues. According to the ...

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

Action Days are typically called when the air quality index, also known as the AQI, gets into unhealthy ranges, ... Air Pollution Action Day declared in Chicago. Air quality map, recommendations.

Air quality, your health and what to do about it The Chicago skyline seen from Montrose Harbor is from Canadian wildfire smoke , Friday, June 6, 2025, in Chicago. Tyler Pasciak LaRiviere / Chicago ...

Air quality across Minnesota was pretty bad this past weekend. It was so bad that it was ranked as some of the worst in the ...