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

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

Chicago's unhealthy air quality will continue into the weekend, experts say Smoke coming in from Canadian wildfires settled over Chicago, causing unhealthy air quality conditions for at-risk groups.

An air quality alert is in effect until midnight Thursday for the Chicago area as Canadian wildfires continue, officials said. The Illinois Environmental Protection Agency declared an Air ...

An air quality alert has been extended for the Chicago area as "unhealthy" levels are expected to continue into the start of the weekend with wildfire smoke lingering in the area.

Air quality alert issued for entire Chicago area, with AQI reaching ‘unhealthy' levels due to smoke The poor air quality for Illinois and parts of Indiana is expected to last at least until ...

The ongoing Canadian wildfires have reportedly blanketed a third of the United States, affecting millions, with the National Weather Service issuing air quality alerts for several states.

An Air Pollution Action Day was called Wednesday morning for the Chicago area and is in effect until midnight, weather officials said. Officials issued an alert Wednesday as air quality was ...

Smoke from raging Canadian wildfires is once again worsening air quality in some U.S. states. Parts of the Dakotas, Minnesota, Wisconsin, Illinois, Indiana, Ohio and other states were all ...

Wildfire smoke from Canada moves into Chicago, raising air quality concerns Smoke from out-of-control wildfires in Canada is drifting into the Chicago area on Friday, and while conditions won't be ...

Illinois coal plants get Trump exemptions from Biden-era rule limiting mercury, other toxic air pollution Click to email a link to a friend (Opens in new window) Email ...

A new analysis has revealed that Chicago's air quality is among the worst in the US. The Illinois metro is ranked 15th overall for levels of smog, worse than the last two yearly reports, which ...