31%tests ≥ 4 pCi/L
1,872tests on record
2.2median pCi/L
Zone 2EPA zone (1993 prediction)

Test results in Haywood County

ResultShareEPA guidance
Below 2 pCi/L45%Below EPA's levels
2 to 4 pCi/L24%Consider fixing
4 pCi/L or more31%EPA recommends fixing

What the data shows

Where Haywood 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 Haywood County compares

Haywood County ranks 6 of 9 among its neighboursShare of tests at or above 4 pCi/L · Radon test results from laboratories, 2008–2017 · whisker: 95% range
Sevier County, Tennessee53%Transylvania County48%Cocke County, Tennessee46%Swain County44%Henderson County42%Haywood County31%Buncombe County29%Jackson County28%Madison County17%North Carolina 23%
Data table
AreaTests ≥ 4 pCi/LTests
Sevier County, Tennessee53%328
Transylvania County48%3,862
Cocke County, Tennessee46%56
Swain County44%116
Henderson County42%4,093
Haywood County31%1,872
Buncombe County29%6,359
Jackson County28%1,026
Madison County17%228
North Carolina (99 counties)23%73,139

Same source as Haywood County.

What it means for your home

About 1 in 3 results in Haywood 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: 1,872. 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