Table 7-5: California Air Quality Nonattainment Areas for Carbon Monoxide (CO)
Tuesday, January 3, 2012
Table 7-5: California Air Quality Nonattainment Areas for Carbon Monoxide (CO)
| County | Area | Nonattainment in year | Redesignation to attainment | Classification | Part or whole county | Population (2000) |
|---|---|---|---|---|---|---|
| Alameda | San Francisco-Oakland-San Jose | 95 96 97 | 6/1/98 | Moderate <= 12.7ppm | Part | 684,044 |
| Butte | Chico | 95 96 97 | 6/1/98 | Moderate <= 12.7ppm | Part | 80,313 |
| Contra Costa | San Francisco-Oakland-San Jose | 95 96 97 | 6/1/98 | Moderate <= 12.7ppm | Part | 767,307 |
| El Dorado | Lake Tahoe South Shore | 95 96 97 | 6/1/98 | Moderate <= 12.7ppm | Part | 37,215 |
| Fresno | Fresno | 95 96 97 | 6/1/98 | Moderate > 12.7ppm | Part | 542,558 |
| Kern | Bakersfield | 95 96 97 | 6/1/98 | NA | Part | 368,867 |
| Los Angeles | Los Angeles South Coast Air Basin | 95 96 97 98 99 00 01 | NA | Serious | Part | 9,270,321 |
| Marin | San Francisco-Oakland-San Jose | 95 96 97 | 6/1/98 | Moderate <= 12.7ppm | Part | 214,944 |
| Napa | San Francisco-Oakland-San Jose | 95 96 97 | 6/1/98 | Moderate <= 12.7ppm | Part | 112,199 |
| Orange | Los Angeles South Coast Air Basin | 95 96 97 98 99 00 01 | NA | Serious | Whole | 2,846,289 |
| Placer | Lake Tahoe North Shore | 95 96 97 | 6/1/98 | NA | Part | 11,501 |
| Placer | Sacramento | 95 96 97 | 6/1/98 | Moderate <= 12.7ppm | Part | 73,303 |
| Riverside | Los Angeles South Coast Air Basin | 95 96 97 98 99 00 01 | NA | Serious | Part | 1,320,379 |
| Sacramento | Sacramento | 95 96 97 | 6/1/98 | Moderate <= 12.7ppm | Part | 1,191,566 |
| San Bernardino | Los Angeles South Coast Air Basin | 95 96 97 98 99 00 01 | NA | Serious | Part | 1,506,524 |
| San Diego | San Diego | 95 96 97 | 6/1/98 | Moderate <= 12.7ppm | Part | 2,644,722 |
| San Francisco | San Francisco-Oakland-San Jose | 95 96 97 | 6/1/98 | Moderate <= 12.7ppm | Whole | 776,733 |
| San Joaquin | Stockton | 95 96 97 | 6/1/98 | Moderate <= 12.7ppm | Part | 307,217 |
| San Mateo | San Francisco-Oakland-San Jose | 95 96 97 | 6/1/98 | Moderate <= 12.7ppm | Part | 489,850 |
| Santa Clara | San Francisco-Oakland-San Jose | 95 96 97 | 6/1/98 | Moderate <= 12.7ppm | Part | 561,815 |
| Solano | San Francisco-Oakland-San Jose | 95 96 97 | 6/1/98 | Moderate <= 12.7ppm | Part | 231,793 |
| Sonoma | San Francisco-Oakland-San Jose | 95 96 97 | 6/1/98 | Moderate <= 12.7ppm | Part | 236,278 |
| Stanislaus | Modesto | 95 96 97 | 6/1/98 | Moderate <= 12.7ppm | Part | 278,658 |
| Yolo | Sacramento | 95 96 97 | 6/1/98 | Moderate <= 12.7ppm | Part | 38,252 |
KEY: NA = not applicable.
NOTES: Nonattainment areas do not meet the national primary or secondary ambient air quality standard for the specified pollutant. Nonattainment areas are classified based on design values: Serious = an area with a design value of 16.5 ppm and above; Moderate = an area with a design value of 9.1 up to 16.4 ppm.
SOURCE: U.S. Environmental Protection Agency, Green Book, available at http://www.epa.gov/oar/oaqps/greenbk/anay.html as of April 20, 2002.