Chapter 4	PM10 Air Quality Table - San Diego					Table 4-47														

PM10 (ug/m3)	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005
Max. 24-Hr. Concentration (State)			80	90	115	81	67	159	129	121	93	125	89	119	136	106	131	289	138	154
Max. 24-Hr. Concentration (Nat)			80	90	115	81	67	159	129	121	93	125	89	121	139	107	130	280	137	155
Max. Annual Average (State)				44.4	32.8	40.7	29.0	45.8	50.7	47.1	30.2	46.6	42.5	50.9	44.5	47.4	52.4	52.6	51.7	28.6
Max. Annual Average (Nat)			40.0	43.8	37.6	36.4	35.9	45.9	50.7	46.8	38.5	46.6	42.5	52.2	45.2	49.1	54.9	52.1	51.2	49.8
Calc Days Above State 24-Hr Std				114	38	84	12	134	134	122	12	125	107	124	109	129	173	151	175	13
Calc Days Above Nat 24-Hr Std				0	0	0	0	6	0	0	0	0	0	0	0	0	0	9	0	6