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Air

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California Environmental Health Tracking Program

850 Marina Bay Pkwy, P-3
Richmond, CA 94804

(510) 620-3038
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Last Edited: 3/9/09

Air Quality Metadata

Choose from one of the three air quality indicator areas to view their metadata

  • CDC-derived measures: This indicator area relates to short-term exposures and includes yearly summaries of PM2.5 and Ozone by county as computed by CDC's Environmental Health Tracking Branch.
  • CEHTP-derived measures: This indicator area relates to short-term exposures of PM10 and long-term exposures of PM10, PM2.5, and ozone. It includes yearly summaries of these contaminants by county as computed by the California Environmental Health Tracking Program.
  • Traffic Measure: This indicator is an annual measure of traffic-related pollutants as computed by the California Environmental Health Tracking Program.