An Illinois Air Pollution Action Day is issued when widespread ozone or particulate levels are expected to be at or above ...

CHICAGO The Illinois Environmental Protection Agency (Illinois EPA) and the Illinois Department of Public Health (IDPH) are ...

The Illinois EPA and IDPH are warning residents of unhealthy air quality due to Canadian wildfire smoke, and are urging ...

Chicago faces health concerns due to smoke from Canadian wildfires, leading to an "unhealthy" air quality alert.

His approach to climate is in keeping with this attitude—though critics say there’s room for improvement. During Pritzker’s ...

The Illinois Environmental Protection Agency does not expect this weekend's smoke infiltration to be as dangerous as June 2023, and there are no plans for an Air Pollution Action Day as was issued ...

A Southern Illinois Republican lawmaker says something must be done to address rising energy costs in the state.

Illinois Attorney General and Chicago file a lawsuit against three defendants for improper asbestos handling during warehouse ...

More than 20 Illinois communities have contaminated groundwater, according to the state's Environmental Protection Agency. Here's where the contamination was found.

Thousands of Americans have been warned that their drinking water has elevated levels of a contaminant, lead, posing a potential risk to public health. Illinois American Water Company issued an alert ...

The Illinois Environmental Protection Agency said there should be "no concerns for residents or businesses" in the Peoria area after a vandalism incident at a local landfill led to thousands of ...