California Air Resources Board 2009 Almanac (web) Appendix A South Central Coast Table A-31 "NOx Emissions (tons/day, annual average)" "ROG Emissions (tons/day, annual average)" County 1975 1980 1985 1990 1995 2000 2005 2010 2015 2020 1975 1980 1985 1990 1995 2000 2005 2010 2015 2020 San Luis Obispo 66 63 46 47 31 31 24 20 16 13 46 49 51 42 34 29 25 23 21 21 Santa Barbara 54 64 60 64 53 47 41 35 29 24 81 73 75 68 52 41 37 33 31 30 Ventura 95 104 91 87 71 63 53 41 32 26 108 116 104 91 73 62 51 46 44 43 Air Basin Total 215 232 197 198 156 140 118 96 77 63 235 239 230 201 159 132 113 102 96 94 "Directly Emitted PM10 Emissions (tons/day, annual average)" "CO Emissions (tons/day, annual average)" County 1975 1980 1985 1990 1995 2000 2005 2010 2015 2020 1975 1980 1985 1990 1995 2000 2005 2010 2015 2020 San Luis Obispo 24 26 26 27 27 28 29 29 30 31 311 319 326 292 214 186 146 127 111 103 Santa Barbara 18 20 21 22 21 22 23 23 24 24 553 518 504 449 310 233 186 160 135 121 Ventura 21 19 19 23 22 24 24 26 27 28 576 642 633 581 430 328 240 192 166 151 Air Basin Total 63 65 67 72 70 74 76 78 80 83 1439 1479 1463 1322 954 747 572 479 412 375 "Directly Emitted PM2.5 Emissions (tons/day, annual average)" County 1975 1980 1985 1990 1995 2000 2005 2010 2015 2020 San Luis Obispo 10 10 9 9 9 9 9 9 9 9 Santa Barbara 8 9 9 9 9 9 9 9 9 9 Ventura 11 9 7 9 8 8 8 8 8 8 Air Basin Total 29 28 25 27 25 26 25 26 26 26