The National Environmental Public Health Tracking Network (Tracking Network) is a system of integrated health, exposure, and hazard information and data from a variety of national, state, and city sources.
On the Tracking Network, you can view maps, tables, and charts with data about:
- chemicals and other substances found in the environment
- some chronic diseases and conditions
- the area where you live
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Tracking Hot Topics
- Birth Defects and the Environment
- Learn the Signs. Act Early.
- Female Breast Cancer and the Environment
- Children's Environmental Health Initiatives
- Tracking Children's Environmental Health
- CDC's Information for Parents
- View our Tracking Success Stories to learn how Tracking is making a difference across the U.S.