South Coast Air Basin

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The South Coast Air Basin—SCAB (or SoCAB) is one of several regional air basin areas designated by the state of California, for the purpose of air quality management and air pollution control in Southern California. The SCAB district was created in 1969.[1] and includes all of Orange County and the non-desert regions of Los Angeles County, Riverside County, and San Bernardino County.[2] The region covers approximately 17100 km2 and includes much of the Greater Los Angeles Area which is home to approximately 18 million people.

South Coast Air Quality Management District—AQMD[edit]

Initially, the SCAB had four air-quality management agencies, one for each of the four counties. In 1977, the legislature merged these four agencies into the South Coast Air Quality Management District—South Coast AQMD.[3]

The SCAB is the smoggiest region of the U.S., and the South Coast AQMD provides hourly reports throughout the district.[4] The South Coast AQMD has jurisdiction over stationary sources of pollution, while the California Air Resources Board has jurisdiction for mobile sources of pollution, including automobiles and trucks.[5]

Since 2011 the South Coast AQMD also manages portions of two other desert air basins: the Salton Sea Air Basin in Riverside County, and the Mojave Desert Air Basin in Los Angeles, Kern, and San Bernardino Counties.[5]

South Coast AQMD governing board[edit]

The governing board has thirteen members selected by a combination of city, county, and state agencies.[6]

"The South Coast Air Quality Management District is the regional government agency responsible for air pollution control. AQMD regulations must be approved by the state Air Resources Board and the U.S. Environmental Protection Agency." [6]

See also[edit]

South Coast Air Basin


  1. ^ "California Code of Regulations, Title 17 Public Health, Division 3 Air resources, Chapter 1 Air resources board, Subchapter 1.5 Air basins and air quality standards, Article 1 Description of California air basins, Section 60104 South Coast Air Basin". Result Oriented Marketing, Inc. database is current through 06/16/06. Retrieved 9 March 2011. ...filed 7-3-69; effective thirtieth day thereafter... Check date values in: |date= (help)
  2. ^ "DRDB: SCAQMD 403 fugitive dust" (PDF). State of California, California Environmental Protection Agency, Air Resources Board. June 3, 2005. Retrieved 9 March 2011. South Coast Air Basin means the non-desert portions of Los Angeles, Riverside, and San Bernardino counties and all of Orange County as defined in California Code of Regulations, Title 17, Section 60104. The area is bounded: on the west by the Pacific Ocean; on the northwest by the Santa Susana Mountains and Simi Hills, on the north by the San Gabriel Mountains, San Bernardino Mountains, and on the east by the San Jacinto Mountains and Santa Rosa Mountains; and on the south by the San Diego County line.
  3. ^ "South Coast Air Quality Management District. Southern California Air Basins" (PDF). Diamond Bar: South Coast AQMD. Retrieved 9 March 2011.
  4. ^ "AWMD GIS Maps". South Coast AQMD. Retrieved 9 March 2011.
  5. ^ a b "Frequently asked questions". South Coast AQMD. Retrieved 9 March 2011.
  6. ^ a b "How AQMD's governing board works". South Coast AQMD. Retrieved 9 March 2011.


Aerial photos and maps

External links[edit]