2005 Almanac (page 61) Table 2-7 AIR BASIN 2003 Maximum Peak Indicator in parts per million Number of Days in 2003 Above the Standard State National 1-Hour 8-Hour 1-Hour 1-Hour 8-Hour Great Basin Valleys Air Basin 0.09 0.08 0 0 0 Lake County Air Basin 0.08 0.07 0 0 0 Lake Tahoe Air Basin 0.09 0.08 0 0 0 Mojave Desert Air Basin 0.14 0.12 93 13 74 Mountain Counties Air Basin 0.15 0.12 56 6 56 North Central Coast Air Basin 0.10 0.09 3 0 2 North Coast Air Basin 0.08 0.07 0 0 0 Northeast Plateau Air Basin 0.08 0.07 0 0 0 Sacramento Valley Air Basin 0.14 0.11 51 5 40 Salton Sea Air Basin 0.14 0.12 66 7 47 San Diego Air Basin 0.12 0.10 23 1 6 San Francisco Bay Area Air Basin 0.13 0.10 19 1 7 San Joaquin Valley Air Basin 0.15 0.12 137 37 134 South Central Coast Air Basin 0.12 0.10 45 2 35 South Coast Air Basin 0.18 0.15 125 64 109