California Air Resources Board 2009 Almanac (web) Chapter 2 Statewide Table 2-12 PM2.5 Emissions (annual average) Emissions Source tons/day Percent Stationary Sources 95.22 14% Area-wide Sources 448.37 66% On-Road Mobile 58.04 9% Gasoline Vehicles 22.92 3% Diesel Vehicles 35.12 5% Other Mobile 75.32 11% Gasoline Vehicles 28.73 4% Diesel Vehicles 37.70 6% Other 8.88 1% Total Statewide 676.95 100%