May 10, 2017 - EPA issues initial designations for the 2012 primary annual national ambient air quality standard for fine particulate matter (PM_2.5) for all remaining areas in Tennessee.

• Federal Register Notice
• Tables Showing EPA Decisions
  • States
  • Tribes

• Fact Sheet: Additional Final Area Designations for the Annual Fine Particle Standard Established in 2012 for Areas in Tennessee (PDF)(3 pp, 547 K)