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Radon Levels in Noxubee County, Mississippi

EPA puts Noxubee County in Zone 2, its middle radon zone. Homes with elevated levels occur in all three zones, so only a test measures yours.

Data checked By Radon411Methodology

  • Nearest county

    10.1%

    Tuscaloosa County, 62 miles

    Tuscaloosa
    10.1%

    Share at 4+ pCi/L, 69 tests, 2006 to 2015

  • Ground above low

    78.6%

    70.5 pts above MS

    Noxubee
    78.6%
    MS
    8.1%

    Share of land USGS rates moderate or high potential

  • Tests reported

    0

    None published

    A home here needs its own test

  • EPA radon zone

    Zone 2

    Moderate potential

    1. 1
    2. Zone 2
    3. 3

    1 highest, 3 lowest

    EPA predicts 2 to 4 pCi/L indoors

Read a result for Noxubee County

Starts at EPA's action level

4.0pCi/L

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

EPA’s reading of 4.0 pCi/L

At or above 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 at or above 4 pCi/L. EPA recommends fixing a home when the radon level is 4 pCi/L or higher.

The data

Noxubee County, At a glance

Noxubee County at a glance

Predicted: EPA radon zone

EPA Zone 2: moderate predicted potential

Noxubee County is a county: EPA's forecast for it as a whole is an average indoor of 2 to 4 pCi/L (75 to 150 Bq/m³). It describes no single address, and homes above EPA's are found in every zone, this one included.

USGS geologic potential: Moderate across 79% of the county's area

Predicted: EPA Map of Radon Zones

Measured: tests reported to CDC

No CDC test figures here

CDC has published no radon test figures for Noxubee County. Tuscaloosa County, AL, 62 miles away, is the nearest county with a figure over the 2006 to 2015 laboratory totals.

How to read these figures

Noxubee County, Compared

Noxubee County radon figures, compared

Calculated by Radon411

Noxubee County is in a state CDC's county radon counts do not reach: no Mississippi county has a figure, while 2,669 counties elsewhere do over the 2006 to 2015 laboratory totals. Across every county in the country with a figure (2,669), 36.3% of reported tests reached that level; no Mississippi county contributes to that pool.

The nearest counties with a figure are Tuscaloosa County, AL (62 miles away) at 10.1%, Franklin County, AL (101 miles away) at 18.6% and Jefferson County, AL (102 miles away) at 10.6%.

EPA's 1993 map puts Noxubee County in Zone 2, its middle label: a predicted county average between 2 and 4 pCi/L. USGS geology rates 79% of the county's land moderate radon potential.

The United States and the counties around Noxubee County, 2006 to 2015, laboratory
AreaTestsAt or above 4 pCi/LMedian
United States, pooled2,669 counties, pooled1,805,52836.3%Not pooled
Sumter County, ALborders it20.0%2.3 pCi/L
Pickens County, ALborders it10.0%0.8 pCi/L
The nearest counties to Noxubee County with 30 or more tests, in any state, 2006 to 2015, laboratory
CountyDistanceTestsAt or above 4 pCi/LMedian
Tuscaloosa County, AL62 mi6910.1%1.1 pCi/L
Franklin County, AL101 mi21018.6%1.4 pCi/L
Jefferson County, AL102 mi90410.6%1.3 pCi/L
Shelby County, AL111 mi43610.3%1.3 pCi/L
Colbert County, AL118 mi97836.6%2.7 pCi/L
Autauga County, AL119 mi3912.8%0.9 pCi/L
Cullman County, AL121 mi1116.3%1.3 pCi/L
Lawrence County, AL121 mi17514.9%1.7 pCi/L

Pooled shares: Radon411's sum of CDC's county counts for one period.

Noxubee County, Geology

The ground under Noxubee County

Predicted

Most of the ground under Noxubee County is one class on USGS's geologic map: 78.6% of its land is moderate radon potential, with 21.4% low. The map puts 78.6% of Noxubee County in the area it calls Pontotoc Ridge/Black Prairies and 20.9% in North Central Hills/Flatwoods. USGS gives the first a radon index of 9, in the moderate band (9 to 11), and the second 8, in the low band (5 to 8).

USGS's geologic areas under Noxubee County
AreaThe rock, in USGS's wordsPotentialRadon indexShare of land
Pontotoc Ridge/Black PrairiesGlauconitic sand, clay, sandy limestone, micaceous chalk, and lime.Moderate978.6%
North Central Hills/FlatwoodsTertiary nonmarine to deltaic sediments ranging from sand to clay.Low820.9%

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

Noxubee County beside the ground around it

Across Mississippi 0.1% of the land is rated high; none of Noxubee County's is. Of the 6 counties that border it, 1 has more moderate-potential ground, Pickens County, AL the most at 99.8%.

Share of land by USGS radon potential: Noxubee County, the 6 counties bordering it and Mississippi
AreaEPA zoneLow potentialModerate potentialHigh potential
Noxubee CountyZone 221.4%78.6%None
Kemper CountyZone 386.7%13.3%None
Oktibbeha CountyZone 350.8%49.2%None
Lowndes CountyZone 262.5%37.5%None
Pickens County, ALZone 20.2%99.8%None
Winston CountyZone 399.9%0.1%None
Sumter County, ALZone 241.8%58.2%None
Mississippi82 counties, pooled by land areaVaries91.8%8.0%0.1%

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

What it means

Noxubee County, Questions

Questions about radon in Noxubee County

Are radon levels high in Noxubee County?

No CDC testing statistics are published here for Noxubee County, Mississippi yet. Of the 8 nearest counties with a figure, within 121 miles, the share of tests at or above 4 pCi/L runs from 6.3% to 36.6%.

Which counties border Noxubee County?

Noxubee County borders 6 counties: Kemper County, MS, Oktibbeha County, MS, Lowndes County, MS, Pickens County, AL, Winston County, MS and Sumter County, AL.

Products

Noxubee County, Products

Testing a home in Noxubee County

No CDC figure names Noxubee County; the nearest county with one, Tuscaloosa County, AL (62 miles away), reported 10.1% of its tests at or above 4 pCi/L over the 2006 to 2015 laboratory totals, the only reading nearby until a test of this home. In Zone 2 a short-term kit (2 to 90 days) is the quick first check in Noxubee County; a long-term test tells the year-round average.

Test kits and monitors3

See every kit and monitor

Best radon monitors for Noxubee County homes, compared

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Noxubee County, Bordering counties

Counties bordering Noxubee County

Calculated by Radon411

Noxubee County, Cities and towns

Cities and towns in Noxubee County

About 9,798 people live in Noxubee County by the Census Bureau's estimate for July 1, 2025, 428 fewer than in 2020 (−4.2%). That works out to 14 people per square mile of land. Its largest town, Macon, has 2,432 residents, 24.8% of the total. Together its 3 incorporated places hold 37.4% of those residents; the other 62.6% live outside any of them.

From Macon to Shuqualak, CDC publishes no figure by town: each reads Noxubee County's.

The cities and towns in Noxubee County by residents, July 1, 2025
PlaceResidentsSince 2020Share of residents
Macon2,432−5.1%24.8%
Brooksville858−6.0%8.8%
Shuqualak377−6.5%3.8%

3 incorporated places, as listed in the U.S. Census Bureau’s 2020 place reference files. Residents: U.S. Census Bureau population estimates for July 1, 2025 (Vintage 2025).

Noxubee County, Homes

Homes in Noxubee County

Of Noxubee County's 4,728 homes, 66% are detached houses, against 69% across Mississippi; 25% are mobile homes. The homes are older than Mississippi's as a whole: half were built before 1978 (1986 for Mississippi), and 19% date from before 1960. Owners live in 76% of the occupied homes (Mississippi: 69%), so for most households a test and a fix are their own to order.

Homes in Noxubee County, Mississippi, 2019 to 2023
HomesNoxubee CountyMississippi
Housing units4,7281,332,811
Detached houses66%69%
In buildings of 5 or more5%9%
Mobile homes25%15%
Built before 196019%15%
Built since 200018%28%
Middle year built19781986
Owner-occupied76%69%

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