2002 Almanac (page 430)  Table B-20  Nitrogen Dioxide:  Maximum Annual Average (ppm)																				

AIR BASIN	1981	1982	1983	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000
GREAT BASIN VALLEYS																				
LAKE COUNTY																				
LAKE TAHOE	0.014		0.01	0.012	0.011	0.01	0.012	0.012		0.012	0.012		0.011	0.012	0.011	0.011	0.011	0.01	0.011	0.011
MOJAVE DESERT	0.025	0.025	0.021	0.021	0.025	0.021	0.016	0.018	0.026	0.019	0.014	0.025	0.02	0.024	0.023	0.021	0.02	0.022	0.024	0.025
MOUNTAIN COUNTIES																				
NORTH CENTRAL COAST	0.015	0.012	0.011	0.014	0.015	0.014	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
NORTH COAST														0.008	0.009		0.01	0.01	0.01	0.011
NORTHEAST PLATEAU																				
SACRAMENTO VALLEY	0.021	0.018	0.016	0.019	0.021	0.022	0.022	0.025	0.019	0.023	0.024	0.021	0.017	0.022	0.022	0.022	0.019	0.021	0.021	0.019
SALTON SEA	0.019	0.025	0.027	0.014	0.02		0.019	0.022	0.024	0.021	0.021		0.019	0.021	0.021	0.02		0.016	0.018	0.016
SAN DIEGO	0.024	0.03	0.027	0.031	0.032	0.03	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
SAN FRANCISCO BAY AREA	0.033	0.032	0.029	0.032	0.035	0.033	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
SAN JOAQUIN VALLEY	0.034	0.03	0.03	0.028	0.031	0.03	0.03	0.032	0.033	0.031	0.03	0.027	0.024	0.024	0.029	0.029	0.024	0.023	0.027	0.024
SOUTH CENTRAL COAST	0.023	0.024	0.018	0.031	0.03	0.022	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
SOUTH COAST	0.071	0.062	0.059	0.057	0.06	0.061	0.055	0.061	0.057	0.055	0.055	0.051	0.05	0.05	0.046	0.042	0.043	0.043	0.051	0.044