Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is approving revisions to the New Mexico State Implementation Plan (SIP) submitted by the State of New Mexico on August 10, 2021, that update the New Mexico Nonattainment New Source Review (NNSR) permitting program for the 2015 8-hour ozone National Ambient Air Quality Standards (NAAQS).