Cal. Code Regs. tit. 17, § 60208
Area
Designation
North Coast Air Basin
Del Norte County
Unclassified
Humboldt County
Attainment
Mendocino County
Unclassified
Sonoma County
Geysers Geothermal Area1
Attainment
Remainder of County
Unclassified
Trinity County
Unclassified
San Francisco Bay Area Air Basin
Alameda County
Unclassified
Contra Costa County
Unclassified
Marin County
Unclassified
Napa County
Unclassified
San Francisco County
Unclassified
San Mateo County
Unclassified
Santa Clara County
Unclassified
Solano County
Unclassified
Sonoma County
Unclassified
North Central Coast Air Basin
Monterey County
Unclassified
San Benito County
Unclassified
Santa Cruz County
Unclassified
South Central Coast Air Basin
San Luis Obispo County
Attainment
Santa Barbara County
Attainment
Ventura County
Unclassified
South Coast Air Basin
Los Angeles County
Unclassified
Orange County
Unclassified
Riverside County
Unclassified
San Bernardino County
Unclassified
San Diego Air Basin
San Diego County
Unclassified
Northeast Plateau Air Basin
Lassen County
Unclassified
Modoc County
Unclassified
Siskiyou County
Unclassified
Sacramento Valley Air Basin
Butte County
Unclassified
Colusa County
Unclassified
Glenn County
Unclassified
Placer County
Unclassified
Sacramento County
Unclassified
Shasta County
Unclassified
Solano County
Unclassified
Sutter County
Unclassified
Tehama County
Unclassified
Yolo County
Unclassified
Yuba County
Unclassified
San Joaquin Valley Air Basin
Fresno County
Unclassified
Kern County
Unclassified
Kings County
Unclassified
Madera County
Unclassified
Merced County
Unclassified
San Joaquin County
Unclassified
Stanislaus County
Unclassified
Tulare County
Unclassified
Great Basin Valleys Air Basin
Alpine County
Unclassified
Inyo County
Attainment
Mono County
Attainment
Mojave Desert Air Basin
Kern County
Unclassified
Los Angeles County
Unclassified
Riverside County
Unclassified
San Bernardino County
County Portion of Searles Valley Planning Area2
Nonattainment
Remainder of County
Unclassified
Salton Sea Air Basin
Imperial County
Unclassified
Riverside County
Nonattainment
Mountain Counties Air Basin
Amador County
City of Sutter Creek
Nonattainment
Remainder of County
Unclassified
Calaveras County
Unclassified
El Dorado County
Unclassified
Mariposa County
Unclassified
Nevada County
Unclassified
Placer County
Unclassified
Plumas County
Unclassified
Sierra County
Unclassified
Tuolumne County
Unclassified
Lake County Air Basin
Lake County
Attainment
Lake Tahoe Air Basin
El Dorado County
Unclassified
Placer County
Unclassified
____________________
1 Section 60200(d).
2 52 Fed. Reg. 29384 (August 7, 1987); U.S. Geological Survey 1974, Hydrologic Unit Map -- State of California, Hydrological Unit #18090205.
Note: Authority cited: Sections 39600, 39601 and 39608, Health and Safety Code. Reference: Section 39608, Health and Safety Code.
1. New section filed 10-6-89; operative 11-5-89 (Register 89, No. 43).
2. Amendment filed 4-29-91; operative 5-29-91 (Register 91, No. 24).
3. Editorial correction of printing error in Note (Register 91, No. 30).
4. Editorial correction of printing errors (Register 92, No. 26).
5. Amendment of “North Coast Air Basin,” “South Central Coast Air Basin” and “Southeast Desert Air Basin,” repealer of footnote 1 and footnote renumbering filed 11-10-94; operative 12-12-94 (Register 94, No. 45).
6. Amendment filed 8-20-96; operative 9-19-96 (Register 96, No. 34).
7. Amendment filed 9-22-97; operative 10-22-97 (Register 97, No. 39).
8. Amendment filed 7-31-2024; operative 10-1-2024 (Register 2024, No. 31).