Air Topics
Learn how air pollution can harm your health and the environment and what EPA is doing to protect the air we breathe.
US EPA
United States Environmental Protection Agency
An official website of the United States government.
We've made some changes to EPA.gov. If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.
Learn how air pollution can harm your health and the environment and what EPA is doing to protect the air we breathe.