California Department of Transportation


Last Updated: Monday, February 3, 2014 11:14 AM

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Air Quality Planning, Regulations, and Other Information

Air quality in California is regulated under Federal and State Clean Air Acts. The California Air Resources Board sets and updates State air quality standards, manages statewide air quality regulatory and research programs, and is responsible for submitting the State Implementation Plan (SIP) under the Federal Clean Air Act to the US Environmental Protection Agency. Stationary and area source permitting and regulation, and regional air quality planning including the development of mobile source emission budgets, are carried out by air pollution control districts and air quality management districts. For more air quality information, please consult the following web sites (all Links exit the Caltrans web site - privacy and other policies may differ):

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