US EPA NAAQS Update

06 January 2021

On December 23, 2020, the US EPA announced the agency’s final decision to retain the existing National Ambient Air Quality Standards (NAAQS) for ozone set by the Obama-Biden Administration without changes. The decision to retain the existing standard, set by the Obama-Biden Administration, was completed within the congressionally mandated five-year timeframe. The final action was published in the Federal Register and became effective on December 31, 2020.

Read the report here