California Air Resources Board 2087 Almanac (web)																															
Appendix A	Salton Sea									Table A-21 (NOx and ROG)																					
	"NOx Emissions (tons/day, annual average)"										"ROG Emissions (tons/day, annual average)"																				
County	1975	1980	1985	1990	1995	2000	2005	2010	2015	2020	1975	1980	1985	1990	1995	2000	2005	2010	2015	2020											
Imperial	44	39	35	39	43	40	38	35	31	28	46	45	36	37	37	33	33	32	32	32											
Riverside	40	43	48	60	55	51	53	39	28	21	40	42	44	42	35	24	20	17	16	16											
Air Basin Total	84	82	83	99	97	91	91	74	59	49	86	86	81	79	72	57	52	49	48	48											
																															
Appendix A	Salton Sea									Table A-21 (PM10 and CO)																					
	"Directly Emitted PM10 Emissions (tons/day, annual average)"										"CO Emissions (tons/day, annual average)"																				
County	1975	1980	1985	1990	1995	2000	2005	2010	2015	2020	1975	1980	1985	1990	1995	2000	2005	2010	2015	2020											
Imperial	256	259	257	250	232	231	232	235	237	240	230	220	190	190	156	122	103	91	83	79											
Riverside	12	13	14	20	19	19	17	20	22	24	278	274	289	307	232	128	98	77	66	61											
Air Basin Total	268	272	271	270	251	250	250	255	259	263	508	494	479	496	388	250	201	168	149	140											
																															
Appendix A	Salton Sea									Table A-21 (PM2.5)																					
	"Directly Emitted PM2.5 Emissions (tons/day, annual average)"																														
County	1975	1980	1985	1990	1995	2000	2005	2010	2015	2020																					
Imperial	44	44	43	44	42	41	40	41	41	41																					
Riverside	5	4	5	6	5	5	5	4	4	4																					
Air Basin Total	50	49	48	50	47	46	45	45	45	45																					
																															
Portions of Riverside County lie within the Mojave Desert and South Coast Air Basins.