BDN
Lansing, MI
Listed for: Testing
Reports NRPP certification (not yet verified by Radon411)
Locations and reports
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, 24th of 82 in MI, 2008 to 2017
Median result
2.2pCi/L
Below action level
Midpoint of Ingham's tests, 2008 to 2017
Highest county
38.5%
Clinton
3 counties, 3 with 30+ tests, 2008 to 2017
EPA radon zone
Zone 2
Moderate potential
1 highest, 3 lowest
Ingham; Clinton Zone 2, Eaton Zone 2
Tests reported
2,932
In Ingham
Reported to CDC before any fix, 2008 to 2017
Read a result for Lansing
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
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
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
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.
| County | EPA zone | Reported tests at or above 4 pCi/L | Median reported result | Tests reported | Annual years on file |
|---|---|---|---|---|---|
| Ingham County | Zone 2: Moderate predicted potential | 24.9% | 2.2 pCi/L | 2,932 tests | None |
| Clinton County | Zone 2: Moderate predicted potential | 38.5% | 3.1 pCi/L | 2,313 tests | None |
| Eaton County | Zone 2: Moderate predicted potential | 34.4% | 2.8 pCi/L | 3,411 tests | None |
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.
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.
By distance from the middle of Lansing; counties with 30 or more tests.
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
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).
| Area | The rock, in USGS's words | Potential | Radon index | Share of land |
|---|---|---|---|---|
| South-Central Michigan Basin | Sandy and silty glacial deposits derived from sandstones, gray shales, limestones, and dolomites. | Moderate | 10 | 100% |
Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.
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.
The map rates the ground, not the air in any home.
Lansing, Homes
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 | Lansing | Ingham County | Michigan |
|---|---|---|---|
| Housing units | 55,628 | 125,812 | 4,599,683 |
| Detached houses | 62% | 61% | 72% |
| In buildings of 5 or more | 24% | 26% | 13% |
| Mobile homes | 2% | 3% | 5% |
| Built before 1960 | 50% | 36% | 36% |
| Built since 2000 | 7% | 15% | 15% |
| Middle year built | 1960 | 1971 | 1972 |
| Owner-occupied | 54% | 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
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.
Radon professionals listed in Lansing: 1 of 3
3 listings with Lansing as the city. See radon mitigation and testing in Lansing, or all radon professionals in Michigan.
Lansing, Local resources
Who to ask in Michigan: its radon program, test kits and professionals.
The program's own words on licensing are on the Michigan page.
What it means
Lansing, Questions
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.
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.
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.
USGS's geologic map puts all of Lansing on one named area, "South-Central Michigan Basin", rated moderate for radon potential, radon index 10.
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).
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.
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