Chapter 4	Sacramento Valley PM10 Air Quality Table					Table 4-43														

PM10 (ug/m3)	1983	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002
Max. 24-Hour Concentration (State)						100	147	153	136	111	113	154	145	98	126	130	179	90	112	96
Max. 24-Hr. Concentration (Nat)						115	139	153	136	111	110	154	145	98	126	130	179	86	105	92
Annual Average (State)							41.9	38.5	39.2	35.2	31.2	33.3	29.9	29.9	28.8	29.9	39.4	27.9	30.5	31.8
Annual Average (Nat)						42.8	41.9	41.7	42.3	34.7	31.8	34.5	30.1	29.8	28.6	29.0	38.4	27.9	30.2	30.9
Calc Days Above State 24-Hr Std						183	134	175	189	177	92	108	108	129	65	97	144	81	96	126
Calc Days Above Nat 24-Hr Std						0	0	0	0	0	0	0	0	0	0	0	6	0	0	0