Washington pollution levelsPipes Output2004 air pollution stats in Washington city, District of Columbia- September 17, 2008 <table><tbody><tr><td>County<td><td>Washington city<td><tr><tr><td>State<td><td>District of Columbia<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>202 (55.19%)<td><tr><tr><td>Moderate air<td><td>158..http://pollution.allstats.info/District-of-Columbia/Washington-city/airpollution_2004.aspx 2007 air pollution stats in Washington city, District of Columbia- September 16, 2008 <table><tbody><tr><td>County<td><td>Washington city<td><tr><tr><td>State<td><td>District of Columbia<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>154 (72.64%)<td><tr><tr><td>Moderate air<td><td>54...http://pollution.allstats.info/District-of-Columbia/Washington-city/airpollution_2007.aspx 2002 air pollution stats in Washington city, District of Columbia- September 16, 2008 <table><tbody><tr><td>County<td><td>Washington city<td><tr><tr><td>State<td><td>District of Columbia<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>204 (55.89%)<td><tr><tr><td>Moderate air<td><td>136..http://pollution.allstats.info/District-of-Columbia/Washington-city/airpollution_2002.aspx 1997 air pollution stats in Washington city, District of Columbia- September 15, 2008 <table><tbody><tr><td>County<td><td>Washington city<td><tr><tr><td>State<td><td>District of Columbia<td><tr><tr><td>Data from year<td><td>1997<td><tr><tr><td>Total number of days monitored<td><td>365<td><tr><tr><td>Good air<td><td>301 (82.47%)<td><tr><tr><td>Moderate air<td><td>45...http://pollution.allstats.info/District-of-Columbia/Washington-city/airpollution_1997.aspx 2003 air pollution stats in Washington city, District of Columbia- September 15, 2008 <table><tbody><tr><td>County<td><td>Washington city<td><tr><tr><td>State<td><td>District of Columbia<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>214 (58.63%)<td><tr><tr><td>Moderate air<td><td>143..http://pollution.allstats.info/District-of-Columbia/Washington-city/airpollution_2003.aspx 2000 air pollution stats in Washington city, District of Columbia- September 14, 2008 <table><tbody><tr><td>County<td><td>Washington city<td><tr><tr><td>State<td><td>District of Columbia<td><tr><tr><td>Data from year<td><td>2000<td><tr><tr><td>Total number of days monitored<td><td>366<td><tr><tr><td>Good air<td><td>194 (53.01%)<td><tr><tr><td>Moderate air<td><td>156..http://pollution.allstats.info/District-of-Columbia/Washington-city/airpollution_2000.aspx 1999 air pollution stats in Washington city, District of Columbia- September 13, 2008 <table><tbody><tr><td>County<td><td>Washington city<td><tr><tr><td>State<td><td>District of Columbia<td><tr><tr><td>Data from year<td><td>1999<td><tr><tr><td>Total number of days monitored<td><td>365<td><tr><tr><td>Good air<td><td>206 (56.44%)<td><tr><tr><td>Moderate air<td><td>134..http://pollution.allstats.info/District-of-Columbia/Washington-city/airpollution_1999.aspx 1998 air pollution stats in Washington city, District of Columbia- September 13, 2008 <table><tbody><tr><td>County<td><td>Washington city<td><tr><tr><td>State<td><td>District of Columbia<td><tr><tr><td>Data from year<td><td>1998<td><tr><tr><td>Total number of days monitored<td><td>365<td><tr><tr><td>Good air<td><td>289 (79.18%)<td><tr><tr><td>Moderate air<td><td>53...http://pollution.allstats.info/District-of-Columbia/Washington-city/airpollution_1998.aspx 2001 air pollution stats in Washington city, District of Columbia- September 11, 2008 <table><tbody><tr><td>County<td><td>Washington city<td><tr><tr><td>State<td><td>District of Columbia<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>171 (46.85%)<td><tr><tr><td>Moderate air<td><td>174..http://pollution.allstats.info/District-of-Columbia/Washington-city/airpollution_2001.aspx 2006 air pollution stats in Washington city, District of Columbia- September 11, 2008 <table><tbody><tr><td>County<td><td>Washington city<td><tr><tr><td>State<td><td>District of Columbia<td><tr><tr><td>Data from year<td><td>2006<td><tr><tr><td>Total number of days monitored<td><td>365<td><tr><tr><td>Good air<td><td>221 (60.55%)<td><tr><tr><td>Moderate air<td><td>131..http://pollution.allstats.info/District-of-Columbia/Washington-city/airpollution_2006.aspx |