Chapter 4	PM10 Air Quality Table					Table 4-21														

PM10 (ug/m3)	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004
Max. 24-Hr. Concentration (State)				146	147	165	155	112	93	97	74	76	85	100	117	80	114	84	60	65
Max. 24-Hr. Concentration (Nat)				146	150	173	155	112	101	97	74	76	95	92	114	76	109	80	58	63
Annual Average (State)					37.7	35.1	37.9	33.9	28.8	28.3	25.7	24.8	25.8	25.8	30	27.8	29.7	26.4	24.8	26
Annual Average (Nat)				38.3	40.8	40.4	38.3	33.7	28.8	28.3	25.7	24.9	25.8	25.1	28.7	26.8	28.9	25.4	24.2	25.3
Calc Days Above State 24-Hr Std				123	137	93	125	108	59	54	42	18	20	25	63	42	51	30	30	36
Calc Days Above Nat 24-Hr Std				0	0	4	1	0	0	0	0	0	0	0	0	0	0	0	0	0