Air Quality and Emissions

This page last reviewed February 24, 2011


Background


image of monitor station on roofThe California Air Resources Board (ARB) gathers air quality (AQ) data for the State of California, ensures the quality of this data, designs and implements air models, and sets ambient air quality standards for the state. ARB compiles the state's emissions inventory and performs air quality and emissions inventory special studies. The Air Quality Data page provides access to ambient air quality data, maps of areas that violate the national and state air quality standards, and maps of the ambient air quality monitoring network. The ARB uses the Emissions Inventory and Air Quality Models to evaluate air quality and reduce emissions in each of the 35 local air districts.


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