Chapter 4 San Joaquin Valley Air Basin Table 4-25 "San Joaquin Valley Air Basin Emissions (tons/day, annual average)" Pollutant 1975 1980 1985 1990 1995 2000 2005 2010 2015 2020 NOX 677 842 842 811 686 568 479 400 335 294 ROG 1176 1235 1060 642 506 441 386 364 357 360 PM10 352 342 343 351 345 352 358 375 385 397 PM25 163 155 150 149 145 148 149 153 157 161 CO 3852 3879 3659 3336 2617 2076 1670 1384 1187 1073