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  4. Regulatory Air Monitoring Network
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Regulatory Air Monitoring Network

Updated 18/06/2026
Về Phẩm Chất Không Khí
  1. Địa Hạt Không Khí
  2. Về Phẩm Chất Không Khí
  3. Đo Lường Phẩm Chất Không Khí
  4. Regulatory Air Monitoring Network

Learn about the Air District's regulatory air monitoring network and special air quality studies.

The Air District maintains a comprehensive air quality monitoring network of 29 stations distributed among the nine Bay Area counties.

Various instruments at these stations measure concentrations of pollutants for which health-based ambient air quality standards have been set by the U.S. Environmental Protection Agency and the California Air Resources Board, known as criteria air pollutants. The network also measures concentrations of various pollutants that increase the understanding of the sources of the criteria air pollutants, as well as pollutants designated as Toxic Air Contaminants by the state of California.

This information is used to determine compliance with state and federal air quality standards, prepare air quality forecasts, develop air quality plans, provide information for permit modeling, prepare environmental impact reports, and track air quality trends.

Pollutants measured by the monitoring network include:

  • Ground-level ozone
  • Carbon monoxide
  • Nitrogen oxides
  • Sulfur dioxide/oxides
  • Particulate matter
  • Hydrogen sulfide

Air Monitoring Network Documents

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Ambient Air Quality Analysis

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Last Updated: 18/06/2026