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Environmental Health Hazard Index

Published by Department of Housing and Urban Development, Office of Policy Development and Research | Department of Housing and Urban Development | Metadata Last Checked: February 19, 2026 | Last Modified: 2023-07-21T19:08:56.471Z
The Environmental Health Hazard Exposure Index summarizes potential exposure to harmful toxins at a neighborhood level. Potential health hazards exposure is a linear combination of standardized EPA estimates of air quality carcinogenic, respiratory and neurological hazards with indexing census tracts.

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