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Chabot Space and Science Center
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Alameda County

Air Quality Fact

The air we breathe in the lower atmosphere is not primarily composed of oxygen. Instead it contains 78% nitrogen, 21% oxygen and less than 1% gases like argon and carbon dioxide.

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Ambient Air Monitoring

The Air Monitoring Program of the Bay Area Air Quality Management District operates a 32-station monitoring network and oversees the necessary repair, maintenance, and quality-control activities.

The monitoring network provides the data required to determine whether the Bay Area is in compliance with state and federal air quality standards. Air monitoring data are also used for air quality forecasts, Clean Air Plan modeling, Prevention of Significant Deterioration permit modeling, and Environmental Impact Reports. Some of the monitoring sites include toxics sampling equipment.

Sampling projects such as PM2.5 speciation sampling and short-term studies in specific communities (Cupertino and Berkeley, for example) provide data for the development of air quality plans and updated regulations, and further our understanding of air quality in the Bay Area.

Last Updated: 8/26/2013