"South Coast Air Basin Emissions (tons/day, annual average)"											
Pollutant	1975	1980	1985	1990	1995	2000	2005	2010	2015	2020	
NOX	1693	1532	1564	1561	1335	1180	999	755	600	493	
ROG	2748	2312	2246	1801	1361	1080	729	569	518	496	
PM10	224	233	254	357	346	348	313	286	296	306	
PM25	126	115	114	131	114	115	112	103	103	105	
SOX	409	194	101	77	52	43	46	48	52	57	
CO	16544	13605	13148	10750	7778	5648	4129	2950	2472	2198