0%tests ≥ 4 pCi/L
52tests on record
0.6median pCi/L
Zone 3EPA zone (1993 prediction)

Test results in Richmond County

ResultShareEPA guidance
Below 2 pCi/L98%Below EPA's levels
2 to 4 pCi/L2%Consider fixing
4 pCi/L or more0%EPA recommends fixing

What the data shows

Where Richmond County sits among North Carolina's 99 counties with dataEach dot is a county's share of tests at or above 4 pCi/L · Radon test results from laboratories, 2008–2017
0%10%20%30%40%50%

How Richmond County compares

Richmond County ranks 5 of 9 among its neighboursShare of tests at or above 4 pCi/L · Radon test results from laboratories, 2008–2017 · whisker: 95% range
Stanly County25%Montgomery County20%Moore County19%Scotland County3%Richmond County0%Anson County0%Chesterfield County, Sout…0%Hoke County0%Marlboro County, South Ca…0%North Carolina 23%
Data table

Same source as Richmond County.

What it means for your home

About 1 in 100 results in Richmond County were at or above 4 pCi/L, where the EPA recommends a fix. Only a test shows your own home's level.

Levels in pCi/L from the EPA. The WHO reference level is 100 Bq/m³, about 2.7 pCi/L.

Test your home

Start with a short-term test (2–90 days) and confirm a result of 4 pCi/L or more with a second test. EPA guide

Sponsored: we earn a commission on purchases through these links. We haven't tested Airthings monitors yet.

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Fixing high radon

No local job records yet. National range: $800–$2,500, average $1,200 (EPA, 2003). Cost guide →

About this data

Source: Radon test results from laboratories (CDC Environmental Public Health Tracking Network). Period: 2008–2017. Tests: 52. Read the methodology →

These are voluntary and real-estate tests, not a random sample of homes, so they describe tested homes rather than every home.

About this page

Published by Ray Roman, editor of Radon by County. Figures are loaded from the cited source and spot-checked against it. Editorial policy · About us