The Environmental Protection Agency is facing a lawsuit for not setting limits for certain hazardous air pollutants at steel mills -- like mercury and the cancer-causing chemical benzene.

Although meteorologists are forecasting sunny skies for much of Indiana over the next several days, you may be wondering why things look a bit hazy.

Since 2017, 26 areas in the Midwest region of the EPA meet air quality standards that they didnt before.

Is my drinking water safe? How can I find out what polluted sites are in my neighborhood? Several of our audience members wanted to know the answer to these questions and more. We compiled a list of resources so you can find out more about pollution in your home and in your community.

In April, the agency proposed not changing the standards for particle pollution. It announced on Monday it also doesn't plan to tighten the standards for ozone -- commonly known as smog.

An agreement with the Indiana Department of Environmental Management would require IPL to create a compliance plan to continue operating the Petersburg power plant and pay a $78,300 fine for violating its permits more than 120 times.

Fewer cars on the road due to the COVID-19 pandemic has led to better air quality in many parts of the world. But state officials say its harder to tell what impact "Stay-At-Home" orders have had on air quality in Indiana overall.

Some parts of Indiana that have struggled with pollution are now meeting federal air quality standards, according to data from state and federal environmental agencies.

People who live in polluted areas are more likely to have the underlying heart and lung conditions that put them at a greater risk from COVID-19.

The U.S. Environmental Protection Agency announced Monday Terre Haute and the rest of Vigo County now meets the National Ambient Air Quality Standard for sulfur dioxide.