California Air Resources Board 2009 Almanac (web)											
Chapter 4	South Coast Air Basin						Table 4-1				
"South Coast Air Basin Emissions (tons/day, annual average)"											
Pollutant	1975	1980	1985	1990	1995	2000	2005	2010	2015	2020	
NOX	1691	1530	1561	1558	1332	1177	985	742	580	468	
ROG	2718	2279	2211	1793	1365	1090	735	576	526	505	
PM10	223	232	253	337	323	320	281	286	297	307	
PM25	125	114	113	125	108	108	103	102	102	103	
SOX	413	197	106	83	59	52	52	39	43	48	
CO	16544	13605	13148	10749	7777	5648	4124	2950	2476	2203