49%tests ≥ 4 pCi/L
55tests on record
3.7median pCi/L
Zone 2EPA zone (1993 prediction)

Test results in Saline County

ResultShareEPA guidance
Below 2 pCi/L31%Below EPA's levels
2 to 4 pCi/L20%Consider fixing
4 pCi/L or more49%EPA recommends fixing

What the data shows

Where Saline County sits among Missouri's 115 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%

How Saline County compares

Saline 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
Saline County49%Lafayette County47%Howard County44%Cooper County41%Pettis County38%Carroll County33%Chariton County13%Missouri 31%
Data table
AreaTests ≥ 4 pCi/LTests
Saline County49%55
Lafayette County47%184
Howard County44%62
Cooper County41%90
Pettis County38%132
Carroll County33%18
Chariton County13%15
Missouri (115 counties)31%58,525

Same source as Saline County.

What it means for your home

About 1 in 2 results in Saline 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: 55. 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