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Radon in Fort Myers, Florida

EPA puts Lee County, where Fort Myers is, in Zone 3, its lowest radon zone, and 20.3% of its 1,224 reported radon tests (2023) were at or above 4 pCi/L. Homes with elevated levels occur in all three zones, so only a test measures yours.

Data checked By Radon411Methodology

  • Share at 4+ pCi/L

    20.3%

    1.8 pts above FL

    Lee
    20.3%
    Florida
    18.5%

    Lee, 7th of 30 in FL, 2023

  • Median result

    2.2pCi/L

    Below action level

    Lee
    2.2 pCi/L
    EPA
    4.0 pCi/L

    Midpoint of Lee's tests, 2023

  • Nearest county

    31.9%

    Charlotte, 20 miles

    Charlotte
    31.9%
    Lee
    20.3%

    91 tests, 2023

  • EPA radon zone

    Zone 3

    Low potential

    1. 1
    2. 2
    3. Zone 3

    1 highest, 3 lowest

    Lee, where Fort Myers is

  • Tests reported

    1,224

    In Lee

    Lee
    1,224
    Charlotte
    91

    Reported to CDC before any fix, 2023

Read a result for Fort Myers

Starts at Lee 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. Lee County's median reported result, 2023.

The data

Fort Myers, What is published

What is published for Fort Myers

Information:

Every figure for Fort Myers is a county's

Radon data is published by county, not by city, so for Fort Myers it is Lee County's: its EPA zone (Zone 3) and the 1,224 tests reported to CDC for 2023. Only a test tells you about one home.

Fort Myers covers 39.8 square miles of land, all of it in Lee County. About 101,581 people live there, 2,550 to the square mile.

Fort Myers, Counties

The county Fort Myers lies in

Measured

Lee County's EPA zone and the figures CDC publishes for it, 2023.

Lee CountyZone 3Lower predicted potential

20.3%
Reported tests at or above 4 pCi/L
2.2 pCi/L
Median reported result
1,224 tests
Tests reported to CDC
10
Annual years on file

Lee County ranks 7th of 30 Florida counties with 30 or more tests for that period, 1.8 points above the 18.5% pooled across Florida's counties, 13.1 points below the national pool of 33.4%.

The counties nearest Fort Myers with a CDC figure for 2023, measured from the middle of the city: Charlotte County (20 miles, 31.9% of 91 tests), Collier County (46 miles, 22.7% of 1,607 tests) and Sarasota County (50 miles, 12.3% of 496 tests). Across the 8 nearest, the share at or above 4 pCi/L runs from 7.5% to 40.1%; the farthest of them, Hillsborough County, is 95 miles away at 7.5%.

The directory lists 1 business with an address in Fort Myers, 1 for mitigation. Florida's other cities with a page of their own: Naples, Gainesville, Miami and Venice.

The counties around Fort Myers

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

Nearest counties to Fort Myers with 30 or more tests
CountyDistanceTestsAt or above 4 pCi/LMedian
Charlotte County20 mi9131.9%2.9 pCi/L
Collier County46 mi1,60722.7%2.3 pCi/L
Sarasota County50 mi49612.3%1.6 pCi/L
Manatee County66 mi26311.0%1.5 pCi/L
Palm Beach County84 mi1,52640.1%3.0 pCi/L
Broward County89 mi2,1659.4%1.7 pCi/L
Polk County92 mi13611.0%1.1 pCi/L
Hillsborough County95 mi9847.5%0.9 pCi/L

Predicted: EPA Map of Radon Zones, by county. Measured: CDC tracking data, by county, 2023.

Fort Myers, Geology

The ground under Fort Myers

Predicted

USGS's geologic map puts all of Fort Myers' mapped land in one class: low radon potential. 85.8% of it lies in the area the map calls Gulf/Atlantic Lowland and Central Highland, to which USGS gives a radon index of 6, in the low band (5 to 8).

USGS's geologic areas under Fort Myers
AreaThe rock, in USGS's wordsPotentialRadon indexShare of land
Gulf/Atlantic Lowland and Central Highlandsand, silt, clay, gravelLow685.8%

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

Fort Myers beside its county and Florida

Neither Fort Myers nor Lee County as a whole has any land USGS rates above low potential. Across Florida 7.1% of the land is rated moderate; none of Fort Myers' is.

Share of land by USGS radon potential: Fort Myers, the county it lies in and Florida
AreaEPA zoneLow potentialModerate potentialHigh potential
Fort MyersBy county85.8%NoneNone
Lee CountyZone 383.7%NoneNone
Florida67 counties, pooled by land areaVaries89.7%7.1%None

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

Fort Myers, Homes

Homes in Fort Myers

Fort Myers has 47,068 homes, and many share a building: 43% are in buildings of five or more, 36% are detached houses, against 55% across Lee County. Half of its homes were built before 2001, close to Lee County's 1995: 8% date from before 1960 and 51% from 2000 or later. Most occupied homes here are rented: owners live in 49% (Lee County: 74%). A tenant can run a test; a fix is the landlord's to make.

Homes in Fort Myers, Lee County, Florida, 2019 to 2023
HomesFort MyersLee CountyFlorida
Housing units47,068430,24310,082,356
Detached houses36%55%55%
In buildings of 5 or more43%22%25%
Mobile homes2%9%8%
Built before 19608%3%10%
Built since 200051%43%30%
Middle year built200119951988
Owner-occupied49%74%67%

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

Local help

Fort Myers, Professionals

Radon professionals listed in Fort Myers

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

1 listing with Fort Myers as the city. See radon mitigation in Fort Myers, or all radon professionals in Florida.

Fort Myers, Local resources

Local resources for Fort Myers

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

What it means

Fort Myers, Questions

Questions about radon in Fort Myers

What radon zone is Fort Myers in?

EPA's map puts Lee County, and with it Fort Myers, in Zone 3, the map's lowest class: a predicted county average under 2 pCi/L. A low zone does not clear a house: homes over the action level are found in all three.

What are radon levels in Fort Myers?

Lee County's 1,224 tests for 2023 put 20.3% at or above 4 pCi/L: most tests near Fort Myers come back under EPA's action level, but not all. The median reported result was 2.2 pCi/L.

Should I test my home in Fort Myers?

Yes. Roughly one reported test in 5 in Lee County reached 4 pCi/L. That is about what Florida as a whole reports (18.5%), and ranks Lee County 7th of the 30 Florida counties with 30 or more tests. Only a test puts a number on one house. How to test a home.

What ground is Fort Myers built on, as far as radon goes?

USGS's geologic map puts 85.8% of Fort Myers on one named area, "Gulf/Atlantic Lowland and Central Highland", rated low for radon potential, radon index 6.

Is radon higher in the counties around Fort Myers?

Some are and some are not. Against Lee County's 20.3%, 3 of the 8 nearest counties with a figure report more and 5 less, from Hillsborough County (7.5%, 95 miles off) to Palm Beach County (40.1%, 84 miles off).

Who tests for or fixes radon in Fort Myers?

Radon411's directory has one business with an address in Fort Myers, listed for mitigation, none for testing. Every entry names the public list it was taken from. Radon professionals in Fort Myers.

The answers use the published figures of Lee County, the county Fort Myers lies in.