Mississippi air pollution stats

County	First data available	Last data available
Adams Co	1997	2007
Alcorn Co	2001	2002
Bolivar Co	1999	2007
Choctaw Co	1997	1997
Coahoma Co	1997	1999
DeSoto Co	1997	2007
Forrest Co	1999	2007
Grenada Co	2002	2007
Hancock Co	1997	2006
Harrison Co	1997	2007
Hinds Co	1997	2007
Jackson Co	1997	2007
Jones Co	1997	2007
Lauderdale Co	1997	2007
Lee Co	1997	2007
Lowndes Co	1999	2007
Madison Co	1997	2004
Marshall Co	2004	2005
Panola Co	1998	1999
Pearl River Co	2000	2005
Rankin Co	1999	2005
Scott Co	1999	2005
Sharkey Co	1997	1997
Warren Co	1997	2005
Washington Co	1997	1999