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Indicators and Data

Data hand pointing at graph

Environmental public health tracking is the ongoing collection, integration, analysis, and dissemination of data. It is essentially environmental public health surveillance. These data can be used to:

  • Quantify the magnitude of a public health problem
  • Detect unusual trends in health, exposures, and hazards
  • Identify populations at risk of environmentally related diseases or of exposure to hazards
  • Generate hypotheses about the relationship between health and the environment
  • Direct and evaluate control and prevention measures and individual actions
  • Facilitate policy development


An environmental public health indicator provides information about a population's health status with respect to environmental factors. Tracking Indicators were developed in collaboration with national, state, and local environmental health partners. Here you can access detailed information about each indicator available on the Tracking Network.

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Search for Data

Metadata describe information about a dataset. They describe the content, quality and context of a dataset. The Tracking Network contains metadata records for datasets used to create indicators and measures. Metadata are important for sharing data and for searching to see if the information you need exists. Once you have search results, the metadata will help you decide if it meets your needs.

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