California Air Resources Board 2009 Almanac (web)											
Chapter 4							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	928	904	808	787	718	614	488	414	335	284	
ROG	1413	1327	1075	804	707	572	420	359	331	318	
PM10	178	179	192	192	188	216	207	216	225	235	
PM25	80	78	78	84	82	84	81	82	83	85	
SOX	212	199	111	115	75	73	64	62	66	70	
CO	9056	8314	6991	5308	3901	2944	2021	1596	1340	1206