40%tests ≥ 4 pCi/L
614tests on record
3.0median pCi/L
Zone 1EPA zone (1993 prediction)

Test results in Boone County

ResultShareEPA guidance
Below 2 pCi/L36%Below EPA's levels
2 to 4 pCi/L25%Consider fixing
4 pCi/L or more40%EPA recommends fixing

What the data shows

Where Boone County sits among Indiana's 92 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 Boone County compares

Boone County ranks 5 of 6 among its neighboursShare of tests at or above 4 pCi/L · Radon test results from laboratories, 2008–2017 · whisker: 95% range
Clinton County46%Hendricks County42%Montgomery County41%Marion County40%Boone County40%Hamilton County38%Indiana 39%
Data table
AreaTests ≥ 4 pCi/LTests
Clinton County46%85
Hendricks County42%1,170
Montgomery County41%152
Marion County40%3,668
Boone County40%614
Hamilton County38%3,479
Indiana (92 counties)39%43,148

Same source as Boone County.

What it means for your home

About 1 in 3 results in Boone 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: 614. 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