An official website of the United States government.

Ground-level Ozone Pollution

Ozone Implementation Regulatory Actions

The Clean Air Act requires EPA to set National Ambient Air Quality Standards (NAAQS) for six criteria pollutants; ozone pollution is one of these.  EPA works with partners at state, local, and tribal air quality agencies to meet these standards.

The following list provides a collection of rules and guidance documents for implementation the more recent ozone standards:

To see a table of all of the Ozone NAAQS visit our Ozone National Ambient Air Quality Standards (NAAQS) page.