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.

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, ...

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 / ...

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

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 ...