Official State of Rhode Island website

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State of Rhode Island Department of Health

Radon Data

Purpose

Test evaluate the health risk and patterns of radon exposure in Rhode Island

Key Information

Radon levels in homes test.

Rhode Island Numbers

Rhode Island Homes ≥ 4.0 pCi/L Radon 2021

Rhode Island radon map

One in four homes in Rhode Island contain radon at or above the Environmental Protection Agency action level of 4.0 pC/L. This is significantly higher than the national average of one in fifteen homes.
In Exeter and Richmond, more than 50% of tested homes exceeded the Environmental Protection Agency’s action level.

Data Source

Rhode Island Department of Health Radon Database 2021