Tennessee air pollution stats

County	First data available	Last data available
Anderson Co	1997	2007
Blount Co	1997	2007
Bradley Co	1997	2007
Coffee Co	1998	2005
Davidson Co	1997	2007
Dickson Co	1997	2000
Dyer Co	1999	2007
Giles Co	1997	1997
Greene Co	1999	2001
Hamblen Co	1997	2006
Hamilton Co	1997	2007
Hawkins Co	1997	2007
Haywood Co	1997	2007
Henry Co	1997	1998
Humphreys Co	1997	2006
Jefferson Co	1997	2007
Knox Co	1997	2007
Lawrence Co	1997	2007
Loudon Co	1997	2007
Madison Co	1997	2007
Maury Co	1997	2007
McMinn Co	1997	2007
Meigs Co	2000	2007
Montgomery Co	1997	2007
Obion Co	2001	2004
Polk Co	1997	2006
Putnam Co	1997	2007
Roane Co	1997	2007
Rutherford Co	1997	2007
Sevier Co	1997	2007
Shelby Co	1997	2007
Stewart Co	1997	2005
Sullivan Co	1997	2007
Sumner Co	1997	2007
Union Co	1997	2007
Washington Co	1997	1998
Williamson Co	1997	2007
Wilson Co	1997	2007