Appendix A – Nonattainment and Maintenance Receptor List

State County 2006 24-hr PM2.5 NAAQS 

designated nonattainment area Site 

24-hr standard 

2008-

2010 

2009-

2011 2010-2012 Receptor Type 

California Butte Chico 060070008 51 NA 35 A 34 A Maintenance 

California Fresno San Joaquin Valley 060190011 54 NA 58 NA 59 NA Nonattainment 

California Fresno San Joaquin Valley 060195001 47 NA 54 NA 54 NA Nonattainment 

California Fresno San Joaquin Valley 060195025 43 NA 48 NA 53 NA Nonattainment 

California Imperial Imperial County 060250005 32 NV 38 NA 32 A Maintenance 

California Inyo 060271003 36 NA 36 NA 33 A Maintenance 

California Kern San Joaquin Valley 060290010 64 NA 65 NV 62 NV Nonattainment 

California Kern San Joaquin Valley 060290014 62 NA 62 NA 58 NA Nonattainment 

California Kern San Joaquin Valley 060290016 65 NA 55 NA 47 NA Nonattainment 

California Kings San Joaquin Valley 060310004 49 NA 46 NA 43 NA Nonattainment 

California Kings San Joaquin Valley 060311004 49 NV 57 NV 54 NA Nonattainment 

California Los Angeles 

Los Angeles-South Coast Air 

Basin 060370002 38 NA 36 NA 31 NV Maintenance 

California Madera San Joaquin Valley 060392010 51 NV 55 NV 51 NA Nonattainment 

California Merced San Joaquin Valley 060470003 41 NV 43 NA 41 NA Nonattainment 

California Merced San Joaquin Valley 060472510 45 NA 39 NA 40 NA Nonattainment 

California Riverside 

Los Angeles-South Coast Air 

Basin 060658001 38 NA 35 A 34 A Maintenance 

California Riverside 

Los Angeles-South Coast Air 

Basin 060658005 41 NA 39 NA 37 NA Nonattainment 

California Sacramento Sacramento 060670006 40 NA 35 A 31 A Maintenance 

California Sacramento Sacramento 060674001 36 NA 35 A 31 A Maintenance 

California 

San 

Bernardino 

Los Angeles-South Coast Air 

Basin 060710025 37 NA 34 A 32 A Maintenance 

California 

San 

Bernardino 

Los Angeles-South Coast Air 

Basin 060712002 37 NA 31 A 32 A Maintenance 

California San Joaquin San Joaquin Valley 060771002 44 NA 38 NA 36 NA Nonattainment 

California San Joaquin San Joaquin Valley 060772010 44 NV 41 NV 38 NA Nonattainment 

California Stanislaus San Joaquin Valley 060990005 49 NA 50 NA 44 NA Nonattainment 

California Stanislaus San Joaquin Valley 060990006 55 NA 51 NA 49 NA Nonattainment 

California Sutter Yuba City-Marysville 061010003 36 NA 27 A 26 A Maintenance 

California Tulare San Joaquin Valley 061072002 51 NA 47 NA 47 NA Nonattainment 

Idaho Franklin Logan 160410001 46 NA 50 NA 47 NA Nonattainment 

Idaho Lemhi 160590004 35 NV 38 NA 38 NA Nonattainment 

Idaho Shoshone 160790017 36 NA 38 NA 38 NA Nonattainment 

Montana 

Lewis and 

Clark Helena 300490026 35 NV 37 NA 33 A Maintenance 

Montana Silver Bow Butte-Silver Bow 300930005 38 NA 39 NA 34 A Maintenance 

Nevada Washoe 320310016 38 NA 26 A 18 A Maintenance 

Oregon Klamath Klamath Falls 410350004 44 NA 39 NA 35 A Maintenance 

Oregon Lake 410370001 38 NA 36 NA 34 A Maintenance 

Oregon Lane Oakridge 410392013 38 NA 39 NA 38 NA Nonattainment 

Utah Box Elder Salt Lake City 490030003 42 NA 40 NA 37 NA Nonattainment 

Utah Cache Logan 490050004 43 NA 42 NA 37 NA Nonattainment 

Utah Davis Salt Lake City 490110004 38 NA 40 NA 34 A Maintenance 

Utah Salt Lake Salt Lake City 490350003 45 NA 50 NA A Maintenance 

Utah Salt Lake Salt Lake City 490353006 44 NA 45 NA 38 NA Nonattainment 

Utah Salt Lake Salt Lake City 490353007 46 NV NV A Maintenance 

Utah Salt Lake Salt Lake City 490353008 42 NV NV A Maintenance 

Utah Salt Lake Salt Lake City 490353010 41 NA 41 NA 35 A Maintenance 
Appendix A – Nonattainment and Maintenance Receptor List

State County 2006 24-hr PM2.5 NAAQS 

designated nonattainment area Site 

24-hr standard 

2008-

2010 

2009-

2011 2010-2012 Receptor Type 

Utah Utah Provo 490490002 36 NA 35 A 29 A Maintenance 

Utah Utah Provo 490494001 41 NA 41 NA 32 NV Maintenance 

Utah Utah Provo 490495008 33 A 38 NA 41 NV Nonattainment 

Utah Utah Provo 490495010 39 NA 42 NA 35 A Maintenance 

Utah Weber Salt Lake City 490570002 37 NA 41 NA 37 NA Nonattainment 

Utah Weber Salt Lake City 490570007 39 NV NV A Maintenance 

Utah Weber Salt Lake City 490571003 36 NA 37 NA 33 A Maintenance 

Washington Pierce Seattle-Tacoma, WA 530530029 38 NA 35 A 28 A Maintenance 

Washington Yakima 530770009 37 NA 35 A 31 A Maintenance 

NA = not attaining; A = attaining; NV = incomplete data; Blank = monitor not operating 

Data sources: AirTrends http://www.epa.gov/airtrends/values.html and AirData http://www.epa.gov/airquality/airdata/