New Jersey air pollution stats

County	First data available	Last data available
Atlantic Co	1997	2007
Bergen Co	1997	2007
Burlington Co	1997	2006
Camden Co	1997	2007
Cumberland Co	1997	2006
Essex Co	1997	2007
Gloucester Co	1997	2007
Hudson Co	1997	2007
Hunterdon Co	1997	2006
Mercer Co	1997	2007
Middlesex Co	1997	2007
Monmouth Co	1997	2006
Morris Co	1997	2007
Ocean Co	1997	2007
Passaic Co	1997	2007
Union Co	1997	2007
Warren Co	1997	2007