Chapter 4	PM2.5 Air Quality Table						Table 4-35													

PM25 (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)														136.0	160.0	154.7	104.3	84.5	77.0	102.1
Max. 24-Hr. Concentration (Nat)														136.0	160.0	154.7	90.7	67.8	71.0	92.5
98th Percentile of 24-Hr Conc.														120.0	108.0	96.0	80.4	56.0	54.0	74.9
Annual Average (State)														23.4	23.9	20.8	24.1	24.8	18.2	22.4
Avg. of Qtrly. Means (Nat)														27.7	23.9	22.5	24.1	19.7	18.9	19.9