An air quality alert remains in effect for the entire Chicago area, with another "Air Pollution Action Day" alert declared as ...

The Illinois EPA declared an Air Pollution Action Day in the Chicagoland area. Find out which counties are affected and what ...

The Illinois EPA has designated Thursday an Air Pollution Action Day for Chicagoland due to elevated particle pollution tied to the Canadian wildfires.

As of early Thursday, the air quality for much of northeast Illinois, including multiple suburbs to the north and some to the west, fell into the "unhealthy for sensitive groups" category, which ranks ...