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This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Approved Air Quality Implementation Plans in North Carolina

This site contains information about air quality regulations called State Implementation Plans (SIPs), Federal Implementation Plans (FIPs), and Tribal Implementation Plans (TIPs) approved by EPA within North Carolina. To find the status of SIP submittals, visit SIP status reports.

Approved FIPs

  • EPA has not approved any FIPs in North Carolina
  • About FIPs

About this website: This website does not necessarily represent the current version of the SIPs, TIPs, or FIPs.  The official SIPs, TIPs, and FIPs are contained in regulations promulgated in the Federal Register and codified in the U.S. Code of Federal Regulations (CFR).  While we make every effort to maintain the accuracy of the files accessible here, inconsistencies may occur.  Please contact us using the link below if you find any errors in these files.