26%tests ≥ 4 pCi/L
1,265tests on record
1.8median pCi/L
Zone 3EPA zone (1993 prediction)

Test results in Davidson County

ResultShareEPA guidance
Below 2 pCi/L53%Below EPA's levels
2 to 4 pCi/L22%Consider fixing
4 pCi/L or more26%EPA recommends fixing

What the data shows

Where Davidson 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 Davidson County compares

Davidson County ranks 2 of 8 among its neighboursShare of tests at or above 4 pCi/L · Radon test results from laboratories, 2008–2017 · whisker: 95% range
Forsyth County29%Davidson County26%Stanly County25%Montgomery County20%Rowan County18%Davie County17%Guilford County8%Randolph County7%North Carolina 23%
Data table
AreaTests ≥ 4 pCi/LTests
Forsyth County29%6,273
Davidson County26%1,265
Stanly County25%229
Montgomery County20%103
Rowan County18%626
Davie County17%694
Guilford County8%6,870
Randolph County7%422
North Carolina (99 counties)23%73,139

Same source as Davidson County.

What it means for your home

About 1 in 4 results in Davidson 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: 1,265. 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