2%tests ≥ 4 pCi/L
528tests on record
—median pCi/L
Zone 3EPA zone (1993 prediction)

Test results in Muskegon County

ResultShareEPA guidance
Below 2 pCi/L84%Below EPA's levels
2 to 4 pCi/L14%Consider fixing
4 pCi/L or more2%EPA recommends fixing

What the data shows

Where Muskegon County sits among Michigan's 83 counties with dataEach dot is a county's share of tests at or above 4 pCi/L · Michigan indoor radon test results, 2016–2026
0%20%40%60%

How Muskegon County compares

Muskegon County has the lowest share of high results among its neighboursShare of tests at or above 4 pCi/L · Michigan indoor radon test results, 2016–2026 · whisker: 95% range
Ottawa County16%Kent County14%Newaygo County14%Oceana County5%Muskegon County2%Michigan 23%
Data table
AreaTests ≥ 4 pCi/LTests
Ottawa County16%1,112
Kent County14%4,868
Newaygo County14%136
Oceana County5%164
Muskegon County2%528
Michigan (83 counties)23%56,518

Same source as Muskegon County. Other bordering counties: Milwaukee County, Wisconsin, Ozaukee County, Wisconsin.

What it means for your home

About 1 in 41 results in Muskegon 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 →

Michigan doesn't license radon mitigators; look for NRPP or NRSB certification. Source

Buying or selling here

Michigan's Seller's Disclosure Statement asks whether the seller knows of environmental hazards on the property, including radon gas (MCL 565.957). Source

Checked against the official text on 2026-11-03. Not legal advice.

About this data

Source: Michigan indoor radon test results (Michigan Department of Environment, Great Lakes, and Energy). Period: 2016–2026. Tests: 528. 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