California Air Resources Board 2006 Almanac (web)											
Chapter 4	San Francisco Bay Area Air Basin 						Table 4-14				
"San Francisco Bay Area Air Basin  Emissions (tons/day, annual average)"											
Pollutant	1975	1980	1985	1990	1995	2000	2005	2010	2015	2020	
NOX	979	972	909	878	765	658	547	465	389	352	
ROG	1366	1278	1029	756	631	513	387	337	307	292	
PM10	178	179	193	192	189	219	213	226	238	251	
PM25	87	85	87	88	86	93	91	94	99	103	
CO	8846	8200	6997	5190	3814	2799	2213	1792	1456	1257