US air pollution statistics per county and city in PennsylvaniaFind historical and current air pollution values and statistics such as carbon monoxide and nitrogen dioxide levels for all cities and countys of Pennsylvania2002 air pollution stats in Warren Co, Pennsylvania- September 15, 2008 <table><tbody><tr><td>County<td><td>Warren Co<td><tr><tr><td>State<td><td>Pennsylvania<td><tr><tr><td>Data from year<td><td>2002<td><tr><tr><td>Total number of days monitored<td><td>365<td><tr><tr><td>Good air<td><td>331 (90.68%)<td><tr><tr><td>Moderate air<td><td>34...http://pollution.allstats.info/Pennsylvania/Warren-Co/airpollution_2002.aspx 2007 air pollution stats in Mercer Co, Pennsylvania- September 15, 2008 <table><tbody><tr><td>County<td><td>Mercer Co<td><tr><tr><td>State<td><td>Pennsylvania<td><tr><tr><td>Data from year<td><td>2007<td><tr><tr><td>Total number of days monitored<td><td>212<td><tr><tr><td>Good air<td><td>171 (80.66%)<td><tr><tr><td>Moderate air<td><td>40...http://pollution.allstats.info/Pennsylvania/Mercer-Co/airpollution_2007.aspx 2007 air pollution stats in Delaware Co, Pennsylvania- September 14, 2008 <table><tbody><tr><td>County<td><td>Delaware Co<td><tr><tr><td>State<td><td>Pennsylvania<td><tr><tr><td>Data from year<td><td>2007<td><tr><tr><td>Total number of days monitored<td><td>212<td><tr><tr><td>Good air<td><td>178 (83.96%)<td><tr><tr><td>Moderate air<td><td>30...http://pollution.allstats.info/Pennsylvania/Delaware-Co/airpollution_2007.aspx 2001 air pollution stats in Allegheny Co, Pennsylvania- September 14, 2008 <table><tbody><tr><td>County<td><td>Allegheny Co<td><tr><tr><td>State<td><td>Pennsylvania<td><tr><tr><td>Data from year<td><td>2001<td><tr><tr><td>Total number of days monitored<td><td>365<td><tr><tr><td>Good air<td><td>127 (34.79%)<td><tr><tr><td>Moderate air<td><td>189...http://pollution.allstats.info/Pennsylvania/Allegheny-Co/airpollution_2001.aspx 2004 air pollution stats in Delaware Co, Pennsylvania- September 14, 2008 <table><tbody><tr><td>County<td><td>Delaware Co<td><tr><tr><td>State<td><td>Pennsylvania<td><tr><tr><td>Data from year<td><td>2004<td><tr><tr><td>Total number of days monitored<td><td>366<td><tr><tr><td>Good air<td><td>298 (81.42%)<td><tr><tr><td>Moderate air<td><td>66...http://pollution.allstats.info/Pennsylvania/Delaware-Co/airpollution_2004.aspx 2000 air pollution stats in Perry Co, Pennsylvania- September 13, 2008 <table><tbody><tr><td>County<td><td>Perry Co<td><tr><tr><td>State<td><td>Pennsylvania<td><tr><tr><td>Data from year<td><td>2000<td><tr><tr><td>Total number of days monitored<td><td>365<td><tr><tr><td>Good air<td><td>324 (88.77%)<td><tr><tr><td>Moderate air<td><td>39...http://pollution.allstats.info/Pennsylvania/Perry-Co/airpollution_2000.aspx 2003 air pollution stats in Centre Co, Pennsylvania- September 13, 2008 <table><tbody><tr><td>County<td><td>Centre Co<td><tr><tr><td>State<td><td>Pennsylvania<td><tr><tr><td>Data from year<td><td>2003<td><tr><tr><td>Total number of days monitored<td><td>365<td><tr><tr><td>Good air<td><td>244 (66.85%)<td><tr><tr><td>Moderate air<td><td>115...http://pollution.allstats.info/Pennsylvania/Centre-Co/airpollution_2003.aspx 2004 air pollution stats in Dauphin Co, Pennsylvania- September 13, 2008 <table><tbody><tr><td>County<td><td>Dauphin Co<td><tr><tr><td>State<td><td>Pennsylvania<td><tr><tr><td>Data from year<td><td>2004<td><tr><tr><td>Total number of days monitored<td><td>366<td><tr><tr><td>Good air<td><td>210 (57.38%)<td><tr><tr><td>Moderate air<td><td>151...http://pollution.allstats.info/Pennsylvania/Dauphin-Co/airpollution_2004.aspx 2004 air pollution stats in Erie Co, Pennsylvania- September 12, 2008 <table><tbody><tr><td>County<td><td>Erie Co<td><tr><tr><td>State<td><td>Pennsylvania<td><tr><tr><td>Data from year<td><td>2004<td><tr><tr><td>Total number of days monitored<td><td>366<td><tr><tr><td>Good air<td><td>266 (72.68%)<td><tr><tr><td>Moderate air<td><td>100...http://pollution.allstats.info/Pennsylvania/Erie-Co/airpollution_2004.aspx |