2009 PM2.5 Air Quality Table	"Table 2-16, Page 2-29"				
AIR BASIN	2007 Maximum 24-Hr Concentration in micrograms/cubic meter		98th Percentile 24-Hr Conc. (ug/m3)**	2007 Average of Quarterly Means in micrograms/cubic meter**	
	State	National		State	National
Great Basin Valleys	57.0	57.0	35.0	5.8	5.8
Lake County	9.5	9.5	9.1	3.3	3.3
Lake Tahoe					
Mojave Desert	28.0	28.0	20.0	9.7	9.7
Mountain Counties	134.0	72.0	41.0	14.2	13.0
North Central Coast	20.9	20.9	19.4	7.0	7.0
North Coast	33.8	33.8	27.2	7.6	7.6
Northeast Plateau					
Sacramento Valley	83.7	61.0	53.0	14.4	12.3
Salton Sea	95.0	52.7	29.5	23.2	8.6
San Diego	151.0	126.2	37.7	13.3	13.3
San Francisco Bay Area	57.5	57.5	39.2	13.3	10.7
San Joaquin Valley	154.0	104.0	73.0	25.2	22.0
South Central Coast	108.0	48.8	31.8	13.4	11.6
South Coast	82.8	82.8	70.7	19.8	20.9