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State overview
Radon in Rhode Island
Of Rhode Island's 5 counties and county equivalents, EPA places 2 in Zone 1, 2 in Zone 2, 1 in Zone 3. Zones are county-wide predictions; testing is the only way to know your home's level.
Radon in the news
Rhode Island stories
- NBC 10 I-Team: Some Rhode Island schools slow to address elevated radon levelsWJAR · 2025-09-16
- Radon is a big risk in Rhode Island, but renters are left to face the danger on their ownThe Providence Journal · 2023-01-25
Headlines link to the original publishers via Google News. Updated 2026-10-27.
All 5 counties
| County | EPA zone |
|---|---|
| Bristol County | Zone 3 |
| Kent County | Zone 1 |
| Newport County | Zone 2 |
| Providence County | Zone 2 |
| Washington County | Zone 1 |
Source: EPA radon zones spreadsheet (EPA 402/A-16/001).