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Radon in Lansing, Michigan

Lansing lies in 3 counties, in EPA Zone 2; 85.2% of it is in Ingham County, where 24.9% of 2,932 reported tests (2008 to 2017, laboratory totals) were at or above 4 pCi/L. Homes with elevated levels occur in all three zones, so the only way to know your home's level is to test it.

Data checked By Radon411Methodology

  • Share at 4+ pCi/L

    24.9%

    2.0 pts below MI

    Ingham
    24.9%
    Michigan
    26.9%

    Ingham, 24th of 82 in MI, 2008 to 2017

  • Median result

    2.2pCi/L

    Below action level

    Ingham
    2.2 pCi/L
    EPA
    4.0 pCi/L

    Midpoint of Ingham's tests, 2008 to 2017

  • Highest county

    38.5%

    Clinton

    Clinton
    38.5%
    Ingham
    24.9%

    3 counties, 3 with 30+ tests, 2008 to 2017

  • EPA radon zone

    Zone 2

    Moderate potential

    1. 1
    2. Zone 2
    3. 3

    1 highest, 3 lowest

    Ingham; Clinton Zone 2, Eaton Zone 2

  • Tests reported

    2,932

    In Ingham

    Ingham
    2,932
    Eaton
    3,411

    Reported to CDC before any fix, 2008 to 2017

Read a result for Lansing

Starts at Ingham County's median, 2.2 pCi/L

2.2pCi/L

EPA’s own thresholds; the figures are the area’s, never this home’s.

EPA’s reading of 2.2 pCi/L

Between 2 and 4 pCi/L

  1. Under 20 to 1.9 pCi/L
  2. 2 to 4consider a fix
  3. 4 and aboveEPA says fix it

This result is between 2 and 4 pCi/L. EPA recommends considering a fix when the level is between 2 and 4 pCi/L. Ingham County's median reported result, 2008 to 2017.

The data

Lansing, What is published

What is published for Lansing

Information:

Every figure for Lansing is a county's

Radon data is published by county, not by city, and Lansing reaches into 3 counties: Ingham County, Clinton County and Eaton County. Each has its own EPA zone and its own CDC test figures, set side by side below and each labelled with its county. Only a test tells you about one home.

Lansing covers 39.1 square miles of land across 3 counties: 85.2% in Ingham County, 7.4% in Clinton County and 7.4% in Eaton County. About 113,884 people live there, 2,909 to the square mile.

Lansing, Counties

Lansing's counties, side by side

Measured

Each county's own EPA zone and its own published CDC figures for 2008 to 2017, laboratory, the newest period any of them has. A county without a figure for that period is shown without one, never with a figure from another year.

  • Ingham County
    EPA zone
    Zone 2: Moderate predicted potential
    At or above 4 pCi/L
    24.9%
    Median result
    2.2 pCi/L
    Tests reported
    2,932 tests
    Annual years on file
    None
  • Clinton County
    EPA zone
    Zone 2: Moderate predicted potential
    At or above 4 pCi/L
    38.5%
    Median result
    3.1 pCi/L
    Tests reported
    2,313 tests
    Annual years on file
    None
  • Eaton County
    EPA zone
    Zone 2: Moderate predicted potential
    At or above 4 pCi/L
    34.4%
    Median result
    2.8 pCi/L
    Tests reported
    3,411 tests
    Annual years on file
    None
The counties Lansing lies in, each with its own EPA zone and its own published CDC figures for 2008 to 2017, laboratory
CountyEPA zoneReported tests at or above 4 pCi/LMedian reported resultTests reportedAnnual years on file
Ingham CountyZone 2: Moderate predicted potential24.9%2.2 pCi/L2,932 testsNone
Clinton CountyZone 2: Moderate predicted potential38.5%3.1 pCi/L2,313 testsNone
Eaton CountyZone 2: Moderate predicted potential34.4%2.8 pCi/L3,411 testsNone

Lansing spans 3 counties, each with its own EPA zone and its own CDC figure: Ingham County (Zone 2, 24.9% of 2,932 tests), Clinton County (Zone 2, 38.5% of 2,313 tests) and Eaton County (Zone 2, 34.4% of 3,411 tests).

Ingham County ranks 24th of 82 Michigan counties with 30 or more tests for that period, 2.0 points below the 26.9% pooled across Michigan's counties, 10.8 points below the national pool of 35.7%. Of the city's other counties, Clinton County reported 38.5% and Eaton County reported 34.4%.

Measured from the middle of Lansing, the nearest counties with a CDC figure for 2008 to 2017, laboratory are Shiawassee County (27 miles, 31.6% of 1,515 tests), Ionia County (31 miles, 36.8% of 1,391 tests) and Jackson County (33 miles, 49.7% of 2,964 tests). Across the 8 nearest, the share at or above 4 pCi/L runs from 16.8% to 49.7%; the farthest of them, Genesee County, is 48 miles away at 21.9%.

The directory lists 3 businesses with an address in Lansing, 3 for testing and 1 for mitigation. Michigan's other cities with a page of their own: Ann Arbor and Grand Rapids.

Against Michigan and its other counties

Radon test figures for the counties Lansing lies in
CountyShare of LansingTestsAt or above 4 pCi/LMedianMichigan, pooledRank in the stateEPA zone
Ingham County85.2%2,93224.9%2.2 pCi/L26.9%24 of 82Zone 2
Clinton County7.4%2,31338.5%3.1 pCi/L26.9%8 of 82Zone 2
Eaton County7.4%3,41134.4%2.8 pCi/L26.9%14 of 82Zone 2

Shares of tests people chose to run and report, by county (2008 to 2017, laboratory); the state's is its counties' counts added up, calculated by Radon411. Only a test measures a home.

The counties around Lansing

By distance from the middle of Lansing; counties with 30 or more tests.

Nearest counties to Lansing with 30 or more tests
CountyDistanceTestsAt or above 4 pCi/LMedian
Shiawassee County27 mi1,51531.6%2.5 pCi/L
Ionia County31 mi1,39136.8%2.9 pCi/L
Jackson County33 mi2,96449.7%3.9 pCi/L
Livingston County34 mi4,88543.1%3.4 pCi/L
Barry County39 mi1,61530.7%2.6 pCi/L
Calhoun County39 mi1,64936.4%3.0 pCi/L
Gratiot County40 mi45716.8%1.7 pCi/L
Genesee County48 mi1,69921.9%2.0 pCi/L

The median reported pre-mitigation result for 2008 to 2017, laboratory was 2.2 pCi/L in Ingham County, 3.1 pCi/L in Clinton County and 2.8 pCi/L in Eaton County.

Predicted: EPA Map of Radon Zones, by county. Measured: CDC tracking data, by county, 2008 to 2017, laboratory.

Lansing, Geology

The ground under Lansing

Predicted

USGS's geologic map puts all of Lansing's mapped land in one class: moderate radon potential. All of it lies in the area the map calls South-Central Michigan Basin, to which USGS gives a radon index of 10, in the moderate band (9 to 11).

USGS's geologic areas under Lansing
AreaThe rock, in USGS's wordsPotentialRadon indexShare of land
South-Central Michigan BasinSandy and silty glacial deposits derived from sandstones, gray shales, limestones, and dolomites.Moderate10100%

Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.

Lansing beside its counties and Michigan

All of Lansing, like all of Ingham County, is rated moderate. Across Michigan 9.6% of the land is rated high; none of Lansing's is.

Share of land by USGS radon potential: Lansing, the counties it lies in and Michigan
AreaEPA zoneLow potentialModerate potentialHigh potential
LansingBy countyNone100%None
Ingham CountyZone 2None100%None
Clinton CountyZone 26.0%94.0%None
Eaton CountyZone 2None100%None
Michigan83 counties, pooled by land areaVaries45.0%44.3%9.6%

The map rates the ground, not the air in any home.

Lansing, Homes

Homes in Lansing

Of Lansing's 55,628 homes, 62% are detached houses, against 61% across Ingham County; 24% are in buildings of five or more homes. The homes are older than Ingham County's as a whole: half were built before 1960 (1971 for Ingham County), and 50% date from before 1960. 54% of occupied homes are lived in by their owner (Ingham County: 60%); in the rest a tenant can run a test, but a fix is the landlord's to make.

Homes in Lansing, Ingham County, Michigan, 2019 to 2023
HomesLansingIngham CountyMichigan
Housing units55,628125,8124,599,683
Detached houses62%61%72%
In buildings of 5 or more24%26%13%
Mobile homes2%3%5%
Built before 196050%36%36%
Built since 20007%15%15%
Middle year built196019711972
Owner-occupied54%60%73%

Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.

Local help

Lansing, Professionals

Radon professionals listed in Lansing

Businesses whose listed city is Lansing, from the state registries and listings in the Radon411 directory, with the same business and certification status the directory shows.

3 listings with Lansing as the city. See radon mitigation and testing in Lansing, or all radon professionals in Michigan.

Lansing, Local resources

Local resources for Lansing

Who to ask in Michigan: its radon program, test kits and professionals.

What it means

Lansing, Questions

Questions about radon in Lansing

What radon zone is Lansing in?

All 3 counties Lansing reaches into (Ingham County, Clinton County and Eaton County) are in Zone 2, the map's middle class: a predicted county average of 2 to 4 pCi/L. EPA zones counties, not cities, so that is the zone for every part of Lansing.

What are radon levels in Lansing?

Most tests near Lansing come back under EPA's action level, but not all: 24.9% of Ingham County's 2,932 tests for 2008 to 2017 (laboratory totals) were at or above 4 pCi/L. The median reported result was 2.2 pCi/L. Clinton County reported 38.5% of 2,313 tests and Eaton County reported 34.4% of 3,411 tests; the counties are kept apart.

Should I test my home in Lansing?

Yes. In Ingham County, about one reported test in 4 reached 4 pCi/L. That is below Michigan's pooled 26.9%, and still not a reason to skip it, and ranks Ingham County 24th of the 82 Michigan counties with 30 or more tests. The number for one house comes only from testing it. How to test a home.

What ground is Lansing built on, as far as radon goes?

USGS's geologic map puts all of Lansing on one named area, "South-Central Michigan Basin", rated moderate for radon potential, radon index 10.

Is radon higher in the counties around Lansing?

It depends which way you go. 6 of the 8 nearest counties with a figure report a larger share than Ingham County's 24.9% and 2 a smaller one: from Gratiot County (16.8%, 40 miles off) to Jackson County (49.7%, 33 miles off).

Who tests for or fixes radon in Lansing?

Lansing is the address of 3 businesses in Radon411's directory, 3 listed for testing and 1 for mitigation. Each entry names the public list it came from. Radon professionals in Lansing.

The answers use the published figures of Ingham County, Clinton County and Eaton County, the counties Lansing lies in.