6%tests ≥ 4 pCi/L
34tests on record
—median pCi/L
Zone 3EPA zone (1993 prediction)

Test results in Ogemaw County

ResultShareEPA guidance
Below 2 pCi/L59%Below EPA's levels
2 to 4 pCi/L35%Consider fixing
4 pCi/L or more6%EPA recommends fixing

What the data shows

Where Ogemaw 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 Ogemaw County compares

Ogemaw County ranks 7 of 8 among its neighboursShare of tests at or above 4 pCi/L · Michigan indoor radon test results, 2016–2026 · whisker: 95% range
Alcona County24%Oscoda County20%Gladwin County11%Iosco County9%Roscommon County7%Arenac County6%Ogemaw County6%Crawford County5%Michigan 23%
Data table
AreaTests ≥ 4 pCi/LTests
Alcona County24%87
Oscoda County20%15
Gladwin County11%126
Iosco County9%58
Roscommon County7%59
Arenac County6%32
Ogemaw County6%34
Crawford County5%141
Michigan (83 counties)23%56,518

Same source as Ogemaw County.

What it means for your home

About 1 in 17 results in Ogemaw 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: 34. 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