Chapter 3 Population-Weighted Exposures Over the State Ozone Standard Table 3-5 Ozone Exposures Over the State Standard: Population-Weighted (ppm-hours / person) 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 South Coast Air Basin Exposure 41.61 36.58 36.90 35.68 31.41 34.28 29.57 22.10 22.21 21.99 17.96 18.90 13.26 10.67 6.28 8.90 3.28 5.33 6.95 7.16 8.92 % Pop. Represented* 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 97% 100% 92% 98% 99% 100% 88% 78% 91% San Francisco Bay Area Air Basin Exposure 2.28 2.28 1.45 0.85 1.81 1.24 0.67 0.46 0.48 0.54 0.41 0.26 1.06 1.03 0.10 0.95 0.62 0.33 0.35 0.35 0.32 % Pop. Represented 97% 100% 73% 46% 72% 73% 53% 41% 45% 50% 72% 39% 81% 60% 48% 54% 65% 25% 48% 28% 62% San Joaquin Valley Air Basin Exposure 5.61 7.25 8.09 10.00 10.09 9.38 7.12 5.21 6.09 5.64 6.18 6.43 6.10 6.96 3.73 6.63 4.51 4.63 4.75 5.84 5.24 % Pop. Represented 97% 97% 97% 95% 98% 99% 99% 99% 99% 99% 99% 99% 99% 99% 99% 99% 99% 99% 99% 99% 99% San Diego Air Basin Exposure 9.60 6.94 8.17 5.16 5.64 7.40 7.29 6.35 3.92 3.31 2.74 2.28 2.41 1.19 0.83 1.93 0.60 0.52 0.71 0.38 0.45 % Pop. Represented 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 79% 100% 98% 100% 82% 69% 72% 89% 62% 36% Broader Sacramento Metropolitan Area Exposure 2.32 3.11 2.88 2.57 3.19 4.22 1.83 2.14 2.47 2.35 1.10 1.76 2.20 1.85 0.51 1.98 1.45 1.15 1.08 1.52 1.15 % Pop. Represented 94% 100% 93% 94% 100% 100% 100% 100% 99% 100% 100% 95% 100% 100% 98% 100% 100% 99% 100% 99% 97% * % Population Represented is the percent of the total population residing in an area exposed to an ozone concentration above the level of the State standard for at least one hour during the year.