30%tests ≥ 4 pCi/L
303tests on record
2.6median pCi/L
Zone 1EPA zone (1993 prediction)

Test results in Lyon County

ResultShareEPA guidance
Below 2 pCi/L35%Below EPA's levels
2 to 4 pCi/L34%Consider fixing
4 pCi/L or more30%EPA recommends fixing

What the data shows

Where Lyon County sits among Nevada's 16 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 Lyon County compares

Lyon County ranks 5 of 8 among its neighboursShare of tests at or above 4 pCi/L · Radon test results from laboratories, 2008–2017 · whisker: 95% range
Mono County, California50%Carson City 41%Douglas County37%Mineral County33%Lyon County30%Washoe County22%Storey County18%Churchill County12%Nevada 23%
Data table
AreaTests ≥ 4 pCi/LTests
Mono County, California50%20
Carson City 41%731
Douglas County37%1,617
Mineral County33%6
Lyon County30%303
Washoe County22%5,046
Storey County18%34
Churchill County12%161
Nevada (16 counties)23%10,930

Same source as Lyon County.

What it means for your home

About 1 in 3 results in Lyon 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: 303. 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