2003 Almanac (page 328) Table A-21 County Emission Trends and Forecasts San Diego Air Basin "NOx Emissions (tons/day, annual average)" "ROG Emissions (tons/day, annual average)" County 1975 1980 1985 1990 1995 2000 2005 2010 1975 1980 1985 1990 1995 2000 2005 2010 San Diego 289 282 294 326 277 235 194 161 432 431 407 335 260 218 184 172 "Directly Emitted PM10 Emissions (tons/day, annual average)" "CO Emissions (tons/day, annual average)" County 1975 1980 1985 1990 1995 2000 2005 2010 1975 1980 1985 1990 1995 2000 2005 2010 San Diego 74 83 92 109 106 112 119 126 3274 3006 2894 2425 1702 1266 950 775 "Directly Emitted PM2.5 Emissions (tons/day, annual average)" County 1975 1980 1985 1990 1995 2000 2005 2010 San Diego 34 37 36 41 39 40 42 44