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Carbon Monoxide (1971) Designated Area Design Values

Data is current as of August 31, 2019
Design Values in ppm. "Current Design Values" are current as of the posted Green Book date. Check the Air Quality Design Value site for design value updates.

Display:       Nonattainment and Maintenance Areas       Nonattainment Areas       Maintenance Areas
Click underlined column heading to change report order Current Design Values
as of 06/24/2019
(2018)
 
Area Name  Design Values  Meets
NAAQS
Determin.1
 
Current Status  class sort Current
Classification
or at Redesignation
 
2010
Population
 
click area name for state/county list click for
classif. history
Albuquerque, NM 1 Yes Maintenance C Moderate <= 12.7ppm 662,564
Anchorage, AK 2.7 Yes Maintenance A Serious 286,227
Atlantic City, NJ No Data Maintenance D Not Classified 44,944
Bakersfield, CA 1.1 Yes Maintenance D Not Classified 468,092
Baltimore, MD No Data Maintenance C Moderate <= 12.7ppm 15,455
Billings, MT No Data Maintenance D Not Classified 104,360
Boise-Northern Ada County, ID 1.6 Yes Maintenance D Not Classified 257,440
Boston, MA 0.7 Yes Maintenance C Moderate <= 12.7ppm 1,135,003
Burlington, NJ No Data Maintenance D Not Classified 10,993
Charlotte, NC 1.3 Yes Maintenance D Not Classified 919,628
Chico, CA 6.4 Yes Maintenance C Moderate <= 12.7ppm 86,963
Cleveland, OH 3.1 Yes Maintenance C Moderate <= 12.7ppm 1,280,122
Colorado Springs, CO 1.5 Yes Maintenance C Moderate <= 12.7ppm 555,742
Denver-Boulder, CO 2.9 Yes Maintenance A Serious 2,610,637
Detroit, MI 2.4 Yes Maintenance D Not Classified 1,382,239
Duluth, MN No Data Maintenance C Moderate <= 12.7ppm 85,857
East Chicago, IN 1.6 Yes Maintenance D Not Classified 5,208
El Paso, TX 2.3 Yes Maintenance C Moderate <= 12.7ppm 73,100
Eugene-Springfield, OR No Data Maintenance D Not Classified 234,972
Fairbanks, AK 2 Yes Maintenance A Serious 46,211
Fort Collins, CO 1.6 Yes Maintenance C Moderate <= 12.7ppm 170,639
Freehold, NJ No Data Maintenance D Not Classified 12,734
Fresno, CA 1.8 Yes Maintenance B Moderate > 12.7ppm 631,483
Grants Pass, OR No Data Maintenance C Moderate <= 12.7ppm 22,449
Great Falls, MT No Data Maintenance D Not Classified 57,573
Greeley, CO 0.9 Yes Maintenance D Not Classified 138,101
Hartford-New Britain-Middletown, CT 1 Yes Maintenance C Moderate <= 12.7ppm 1,106,678
Indianapolis, IN 2.2 Yes Maintenance D Not Classified 61,160
Klamath Falls, OR No Data Maintenance C Moderate <= 12.7ppm 20,703
Lake Tahoe North Shore, CA No Data Maintenance D Not Classified 16,132
Lake Tahoe South Shore, CA No Data Maintenance C Moderate <= 12.7ppm 43,110
Lake Tahoe, NV No Data Maintenance D Not Classified 33,259
Las Vegas, NV 2.8 Yes Maintenance A Serious 679,034
Longmont, CO No Data Maintenance C Moderate <= 12.7ppm 86,558
Los Angeles-South Coast Air Basin, CA 3.1 Yes Maintenance A Serious 15,799,134
Lowell, MA No Data Maintenance D Not Classified 106,519
Manchester, NH No Data Maintenance D Not Classified 109,565
Medford, OR No Data Maintenance C Moderate <= 12.7ppm 86,056
Memphis, TN 0.9 Yes Maintenance C Moderate <= 12.7ppm 927,644
Minneapolis-St. Paul, MN 3.9 Yes Maintenance C Moderate <= 12.7ppm 2,920,178
Missoula, MT No Data Maintenance C Moderate <= 12.7ppm 59,733
Modesto, CA 1.9 Yes Maintenance C Moderate <= 12.7ppm 320,707
Morristown, NJ No Data Maintenance D Not Classified 21,955
Nashua, NH No Data Maintenance D Not Classified 86,494
New Haven-Meriden-Waterbury, CT 1.2 Yes Maintenance D Not Classified 945,612
New York-N. New Jersey-Long Island, NY-NJ-CT 2.7 Yes Maintenance B Moderate > 12.7ppm 14,531,186
Ogden, UT 1 Yes Maintenance C Moderate <= 12.7ppm 82,825
Penns Grove, NJ No Data Maintenance D Not Classified 5,201
Perth Amboy, NJ No Data Maintenance D Not Classified 49,645
Philadelphia-Camden Co, PA-NJ 1.3 Yes Maintenance C Moderate <= 12.7ppm 1,187,407
Phoenix, AZ 2.9 Yes Maintenance A Serious 3,763,324
Pittsburgh, PA 1.3 Yes Maintenance D Not Classified 320,395
Portland, OR 1.6 Yes Maintenance C Moderate <= 12.7ppm 1,330,473
Provo, UT No Data Maintenance B Moderate > 12.7ppm 166,596
Raleigh-Durham, NC 0.9 Yes Maintenance C Moderate <= 12.7ppm 1,168,580
Reno, NV 1.6 Yes Maintenance C Moderate <= 12.7ppm 221,743
Sacramento, CA 3.6 Yes Maintenance C Moderate <= 12.7ppm 1,530,116
Salem, OR No Data Maintenance D Not Classified 156,100
Salt Lake City, UT 2.8 Yes Maintenance D Not Classified 186,440
San Diego, CA 1.3 Yes Maintenance C Moderate <= 12.7ppm 2,909,194
San Francisco-Oakland-San Jose, CA 3 Yes Maintenance C Moderate <= 12.7ppm 4,296,499
Seattle-Tacoma, WA 1.2 Yes Maintenance B Moderate > 12.7ppm 3,016,710
Somerville, NJ No Data Maintenance D Not Classified 15,557
Spokane, WA No Data Maintenance A Serious 363,834
Springfield, MA 0.9 Yes Maintenance D Not Classified 153,060
St. Louis, MO 1.3 Yes Maintenance D Not Classified 1,227,527
Stockton, CA 2.4 Yes Maintenance C Moderate <= 12.7ppm 373,545
Syracuse, NY No Data Maintenance C Moderate <= 12.7ppm 467,026
Toms River, NJ Maintenance D Not Classified 10,667
Trenton, NJ No Data Maintenance D Not Classified 97,712
Tucson, AZ 0.9 Yes Maintenance D Not Classified 595,314
Vancouver, WA No Data Maintenance C Moderate <= 12.7ppm 400,271
Waltham, MA No Data Maintenance D Not Classified 60,632
Washington, DC-MD-VA 1.9 Yes Maintenance C Moderate <= 12.7ppm 1,793,091
Winston-Salem, NC No Data Maintenance C Moderate <= 12.7ppm 350,670
Worcester, MA 0.8 Yes Maintenance D Not Classified 181,045
Yakima, WA No Data Maintenance D Not Classified 69,565

1 See the Air Quality Design Value site spreadsheet footnotes for information about "Insufficient Data" Meets NAAQS Determinations.
Design Values in ppm. "Current Design Values" are current as of the posted Green Book date. Check the Air Quality Design Value site for design value updates.


Multi-state areas are counted in maintenance totals when all states in the area have been redesignated.

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