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Rhode Island Indoor Air Quality Guide

EPA Radon Zone 1 — HIGH RISK Population: 1.1M

Rhode Island has the oldest housing stock by percentage of any state

Zone 1 — Highest potential (predicted average > 4 pCi/L)

Radon Levels in Rhode Island

Average Radon Level

4.8 pCi/L

EPA Zone

Zone 1

Rhode Island is largely Zone 1. The state's glacial geology produces elevated radon. Washington County shows the highest readings in the state.

⚠️ Testing strongly recommended

Rhode Island is Zone 1 — the highest risk category. Test every home. If levels are 4 pCi/L or above, install a mitigation system immediately.

Top Indoor Air Hazards in Rhode Island

Rhode Island Climate & Air Quality Factors

Densest small state with aging housing stock. Providence's triple-deckers have lead paint throughout. Coastal humidity creates mold. Old heating systems create CO risks.

Recommended Products for Rhode Island Homes

Disclaimer

State-level radon data from EPA Zone Map. Individual home levels vary significantly. This guide is for educational purposes and not a substitute for professional environmental testing. Test your home regardless of zone designation.

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