2005 Ozone Air Quality Table "Table 2-7, Page 2-17" AIR BASIN 2005 Maximum Peak Indicator in parts per million (State) Number of Days in 2005 above the Standard State National 1-Hour 8-Hour 1-Hour 8-Hour 8-Hour Great Basin Valleys Air Basin 0.092 0.089 1 47 4 Lake County Air Basin 0.076 0.067 0 0 0 Lake Tahoe Air Basin 0.084 0.079 0 2 0 Mojave Desert Air Basin 0.138 0.120 66 128 55 Mountain Counties Air Basin 0.130 0.116 41 85 38 North Central Coast Air Basin 0.097 0.084 2 7 1 North Coast Air Basin 0.077 0.065 0 0 0 Northeast Plateau Air Basin 0.078 0.074 0 0 0 Sacramento Valley Air Basin 0.131 0.116 33 62 25 Salton Sea Air Basin 0.131 0.120 54 102 43 San Diego Air Basin 0.113 0.089 16 51 5 San Francisco Bay Area Air Basin 0.122 0.094 9 9 1 San Joaquin Valley Air Basin 0.144 0.124 83 124 72 South Central Coast Air Basin 0.116 0.102 17 67 12 South Coast Air Basin 0.174 0.152 99 138 83