New map shows more than 500 facilities that emit toxic or hazardous air pollution and that could apply for Presidential ...

The number of affected drinking water systems grows with each update as the EPA adds more test results. See if your water ...

The red-level air quality index (AQI) category—covering values from 151 to 200—means the air is unhealthy for everyone, not just vulnerable populations. According to the EPA, "some members of ...

The EPA measures regional air quality index (AQI) by how hazardous it is to the general public. Discover the AQI in your city by searching below.

Handing out regulatory exemptions to polluters provides the Trump EPA time to dismantle years of regulatory work toward ...