Metro 4 Membership

Metro 4 represents seventeen southeastern local (city, county, and metropolitan) air pollution control agencies located in:

  • Huntsville, Alabama
  • Jefferson County, Alabama (Birmingham area)
  • Broward County, Florida (Fort Lauderdale area)
  • Hillsborough County, Florida (Tampa area)
  • Jacksonville, Florida (metro)
  • Miami-Dade County, Florida (metro)
  • Orange County, Florida (Orlando area)
  • Palm Beach County, Florida (West Palm Beach area)
  • Pinellas County, Florida (Clearwater/St. Petersburg area)
  • Louisville, Kentucky (metro)
  • Forsyth County, North Carolina (Winston-Salem area)
  • Mecklenburg County, North Carolina (Charlotte area)
  • Western North Carolina (Asheville area)
  • Chattanooga-Hamilton County, Tennessee
  • Knox County, Tennessee (Knoxville area)
  • Nashville, Tennessee (metro)
  • Shelby County, Tennessee (Memphis area)