Appendix B Nitrogen Dioxide Maximum Annual Average (State) (ppm) Table B-28 AIR BASIN 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 GREAT BASIN VALLEYS LAKE COUNTY LAKE TAHOE 0.012 0.012 0.012 0.012 0.011 0.012 0.011 0.011 0.011 0.011 0.011 0.011 0.012 0.01 MOJAVE DESERT 0.016 0.018 0.026 0.019 0.015 0.025 0.02 0.024 0.023 0.021 0.02 0.021 0.024 0.025 0.024 0.025 0.024 0.023 0.022 0.022 MOUNTAIN COUNTIES 0.002 NORTH CENTRAL COAST 0.005 0.014 0.014 0.012 0.011 0.012 0.012 0.012 0.011 0.01 0.01 0.005 0.007 0.005 0.007 0.006 0.007 0.008 0.007 NORTH COAST 0.008 0.009 0.01 0.01 0.01 0.011 0.01 0.009 0.009 0.009 0.008 0.009 NORTHEAST PLATEAU SACRAMENTO VALLEY 0.022 0.024 0.02 0.023 0.024 0.021 0.017 0.022 0.022 0.022 0.019 0.02 0.021 0.019 0.019 0.02 0.015 0.017 0.016 0.016 SALTON SEA 0.019 0.022 0.024 0.021 0.021 0.019 0.021 0.021 0.02 0.016 0.018 0.016 0.017 0.016 0.016 0.015 0.015 0.014 SAN DIEGO 0.032 0.035 0.031 0.029 0.029 0.027 0.023 0.024 0.026 0.022 0.024 0.023 0.026 0.024 0.022 0.022 0.021 0.023 0.018 0.024 SAN FRANCISCO BAY AREA 0.031 0.032 0.032 0.03 0.031 0.027 0.027 0.028 0.027 0.025 0.025 0.025 0.026 0.025 0.024 0.019 0.018 0.017 0.019 0.016 SAN JOAQUIN VALLEY 0.03 0.033 0.033 0.032 0.03 0.027 0.024 0.024 0.029 0.029 0.024 0.023 0.027 0.024 0.022 0.024 0.02 0.018 0.021 0.021 SOUTH CENTRAL COAST 0.017 0.024 0.027 0.025 0.024 0.022 0.023 0.022 0.024 0.019 0.02 0.021 0.022 0.02 0.019 0.017 0.015 0.014 0.015 0.013 SOUTH COAST 0.055 0.061 0.057 0.056 0.055 0.051 0.05 0.05 0.046 0.042 0.043 0.043 0.05 0.044 0.041 0.04 0.036 0.033 0.031 0.031