Chapter 4	San Joaquin Valley PM10 Air Quality Table					Table 4-24														

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)						206	237	439	279	186	239	192	279	153	199	167	186	153	221	194
Max. 24-Hr. Concentration (Nat)						244	250	439	279	183	239	190	279	153	199	160	183	145	205	189
Annual Average (State)						52.7	67.0	80.1	70.0	62.4	56.3	49.6	57.9	54.1	47.3	40.5	60.1	53.9	52.3	59.9
Annual Average (Nat)						67.4	79.3	79.3	69.9	62.9	56.3	50.1	58.2	54.1	48.2	39.9	59.5	53.1	57.4	59.2
Calc Days Above State 24-Hr Std						300	302	313	285	273	233	253	246	225	188	185	216	237	236	267
Calc Days Above Nat 24-Hr Std						40	40	56	40	3	11	8	8	0	3	6	12	0	12	8