Better information for better health
The National Environmental Public Health Tracking Network (Tracking Network) brings together health data and environment data from national, state, and city sources and provides supporting information to make the data easier to understand. The Tracking Network has data and information on environments and hazards, health effects, and population health.
On the Tracking Network, you can:
CDC’s National Environmental Public Health Tracking Program created and maintains the Tracking Network. Learn more about Tracking.