66%tests ≥ 4 pCi/L
119tests on record
6.0median pCi/L
Zone 1EPA zone (1993 prediction)

Test results in Wythe County

ResultShareEPA guidance
Below 2 pCi/L13%Below EPA's levels
2 to 4 pCi/L22%Consider fixing
4 pCi/L or more66%EPA recommends fixing

What the data shows

Where Wythe County sits among Virginia's 131 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%20%40%60%80%

How Wythe County compares

Wythe County has the highest share of high results among its neighboursShare of tests at or above 4 pCi/L · Radon test results from laboratories, 2008–2017 · whisker: 95% range
Wythe County66%Carroll County62%Smyth County61%Pulaski County50%Bland County46%Grayson County45%Virginia 30%
Data table
AreaTests ≥ 4 pCi/LTests
Wythe County66%119
Carroll County62%89
Smyth County61%123
Pulaski County50%268
Bland County46%13
Grayson County45%47
Virginia (131 counties)30%53,199

Same source as Wythe County.

What it means for your home

More than half of all results in Wythe 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: 119. 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