41%tests ≥ 4 pCi/L
80tests on record
3.0median pCi/L
Zone 1EPA zone (1993 prediction)

Test results in Carbon County

ResultShareEPA guidance
Below 2 pCi/L34%Below EPA's levels
2 to 4 pCi/L25%Consider fixing
4 pCi/L or more41%EPA recommends fixing

What the data shows

Where Carbon County sits among Wyoming's 23 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 Carbon County compares

Carbon 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
Converse County62%Natrona County56%Fremont County56%Sweetwater County50%Carbon County41%Albany County28%Wyoming 44%
Data table
AreaTests ≥ 4 pCi/LTests
Converse County62%130
Natrona County56%1,054
Fremont County56%618
Sweetwater County50%409
Carbon County41%80
Albany County28%394
Wyoming (23 counties)44%7,638

Same source as Carbon County. Other bordering counties: Jackson County, Colorado, Moffat County, Colorado, Routt County, Colorado.

What it means for your home

About 1 in 2 results in Carbon 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: 80. 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