Short-term kit
Air Chek Short-Term radon test kit you hang, lab fee included
- Lab fee included
In home: 72 to 168 hours
Locations and reports
Radon Levels in Baldwin County, Alabama
EPA puts Baldwin County in Zone 3, its lowest radon zone, and most reported tests there come back low, though 0.0% of 31 (2008 to 2017, laboratory totals) reached 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
0.0%
21.9 pts below AL
- Baldwin
- 0.0%
- Alabama
- 21.9%
31 tests, 2008 to 2017
Median result
1.0pCi/L
Below action level
- Baldwin
- 1.0 pCi/L
- EPA
- 4.0 pCi/L
Midpoint of the tests, 2008 to 2017
Tests reported
31
27th of 27 by tests
- Baldwin
- 31
- Madison
- 5,178
Reported to CDC before any fix, 2008 to 2017
EPA radon zone
Zone 3
Lower potential
- 1
- 2
- Zone 3
1 highest, 3 lowest
EPA predicts under 2 pCi/L indoors
Rank in Alabama
27 of 27
Lowest quarter
- Baldwin
- 0.0%
- Colbert
- 36.2%
By share, of 27 with 30+ tests
Read a result for Baldwin County
Starts at Baldwin County's median, 1.0 pCi/L
EPA’s own thresholds; the figures are the area’s, never this home’s.
EPA’s reading of 1.0 pCi/L
Below 2 pCi/L
- Under 20 to 1.9 pCi/L
- 2 to 4consider a fix
- 4 and aboveEPA says fix it
This result is below 2 pCi/L, the level at which EPA says a fix should be considered. Baldwin County's median reported result, 2008 to 2017.
The data
Baldwin County, At a glance
Baldwin County at a glance
Predicted: EPA radon zone
EPA Zone 3: lower predicted potential
USGS geologic potential: Low across 97% of the county's area
Predicted: EPA Map of Radon Zones
Measured: tests reported to CDC
Radon tests reported for Baldwin County, 2008 to 2017, laboratory
Under 2 pCi/L: 84%2 to 4 pCi/L: 16%4 pCi/L and above: 0%
Of 31 pre-mitigation tests reported to CDC, not homes in this area.
| Result band | Tests Measured | Share Measured |
|---|---|---|
| Under 2 pCi/L | 26 | 83.9% |
| 2 to 4 pCi/L | 5 | 16.1% |
| 4 pCi/L and above | 0 | 0.0% |
What these figures count
These are the 31 tests reported to CDC for Baldwin County over 2008 to 2017 (laboratory totals), many from homes being sold or already suspected of a problem: they describe the county's reported tests, not this house.
Measured: CDC tracking data. Figure above: 2008 to 2017, laboratory. Measured data period: 2005 to 2017 (every CDC figure on file).
Baldwin County, Compared
Baldwin County radon figures, compared
Calculated by Radon411Only 0 of 31 radon tests reported for Baldwin County over the 2008 to 2017 laboratory totals reached 4 pCi/L (0.0%). The median result, 1.0 pCi/L, sits below 2, well under EPA's 4 pCi/L action level, and the top reported result was 3.5 pCi/L.
Across 65 Alabama counties pooled together, 21.9% of tests reached that level, so Baldwin County runs 21.9 points below its state. Against the national pool of 35.7%, the gap is 35.7 points lower. Its place in the state: 27th of 27 Alabama counties with 30 or more tests for the same period.
Zone 3 on EPA's map (predicted average under 2 pCi/L) and a 0.0% share point the same way here. Of 2 neighbours with a figure, all 2 reported a larger share at or above 4 pCi/L; the spread is 1.5% (Escambia County, FL) to 3.8% (Mobile County).
Below the action level, 26 tests (83.9%) came in under 2 pCi/L, against 54.3% statewide, and 5 tests (16.1%) fell between 2 and 4, against 23.8% statewide. USGS geology rates 97% of the county's land low radon potential.
CDC's ten-year totals for Baldwin County went from 32 tests (2005 to 2014) to 31 (2008 to 2017), the share going from 0.0% to 0.0%.
Pooled shares: Radon411's sum of CDC's county counts for one period.
Baldwin County, Geology
The ground under Baldwin County
PredictedUSGS's geologic map puts all of Baldwin County's mapped land in one class: low radon potential. 97.3% of it lies in the area the map calls Coastal Plain, to which USGS gives a radon index of 7, in the low band (5 to 8).
| Area | The rock, in USGS's words | Potential | Radon index | Share of land |
|---|---|---|---|---|
| Coastal Plain | Marly sandy clay, chalk, and glauconitic sands. | Low | 7 | 97.3% |
Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.
Baldwin County beside the ground around it
Across Alabama 14.3% of the land is rated high; none of Baldwin County's is. None of the 6 counties that border it has any moderate-potential ground either.
The map rates the ground, not the air in any home.
Local help
Baldwin County, Local resources
Radon testing and mitigation in Baldwin County
- Alabama Radon ProgramAlabama Radon Program, run by Alabama Department of Public Health, answers questions about testing, mitigation and the rules in Alabama.Visit the program’s page(opens in a new tab)
- Free and low-cost kitsAsk the program whether it has free or discounted kits, or compare kits you can buy.
- Compare kits
- See the Alabama directoryNo professionals are listed in Alabama yet. The state program can point you to registered testers and mitigators.
What Alabama's program says
- Phone
- (334) 290-6244
What it means
Baldwin County, Questions
Questions about radon in Baldwin County
Are radon levels high in Baldwin County?
Over the 2008 to 2017 laboratory totals, 0.0% of the radon tests reported to CDC for Baldwin County, Alabama were at or above 4 pCi/L, and the median reported pre-mitigation result was 1.0 pCi/L. Of 27 Alabama counties with 30 or more tests for the same period, 26 reported a higher share; pooled, the state comes to 21.9%.
Which counties border Baldwin County?
Baldwin County borders 6 counties: Mobile County, AL, Escambia County, FL, Escambia County, AL, Washington County, AL, Clarke County, AL and Monroe County, AL.
Products
Baldwin County, Products
Testing a home in Baldwin County
In Baldwin County, 0.0% of 31 tests reported to CDC over the 2008 to 2017 laboratory totals reached 4 pCi/L, against 21.9% pooled across Alabama. Zone 3 is the lowest label, yet homes at or above 4 pCi/L occur in every zone: a short-term kit (2 to 90 days) is the quick first check in Baldwin County.
Test kits and monitors3
See every kit and monitor
Long-term kit
RL116 long-term radon test kit
- Lab fee extra
Method: Alpha track
In home: 90 days to 12 months
MonitorX-Sense
XR0A-iR Wi-Fi battery radon detector with a screen
- C-NRPP 2024/25: Not included
- Battery
- Wi-Fi
- Screen, app
Method: Alpha spectrometry
First reading: Within 24 hours
- See every kit and monitor Test kits and monitors
Test kits and monitors: 1 of 3
Explore
Baldwin County, Bordering counties
Counties bordering Baldwin County
Calculated by Radon411- Radon levels in Mobile County, ALEPA zone 3
3.8%at or above 4 pCi/L
Median 0.5 pCi/L · 52 tests · 3.8 points above Baldwin County
- Radon levels in Escambia County, FLEPA zone 3
1.5%at or above 4 pCi/L
Median 0.9 pCi/L · 65 tests · 1.5 points above Baldwin County
- Radon levels in Escambia County, ALEPA zone 3
0.0%at or above 4 pCi/L
Median 1.2 pCi/L · 2 tests · 0.0 points above Baldwin County
- Radon levels in Washington County, ALEPA zone 3
0.0%at or above 4 pCi/L
Median 1.4 pCi/L · 4 tests · 0.0 points above Baldwin County
- Radon levels in Clarke County, ALEPA zone 3
0.0%at or above 4 pCi/L
Median 0.4 pCi/L · 1 test · 0.0 points above Baldwin County
- Radon levels in Monroe County, ALEPA zone 3
0.0%at or above 4 pCi/L
Median 0.2 pCi/L · 2 tests · 0.0 points above Baldwin County
Baldwin County, Cities and towns
Cities and towns in Baldwin County
Baldwin County is growing: the Census Bureau puts it at 267,761 residents on July 1, 2025, up 14.8% from 233,252 in 2020. That works out to 168 people per square mile of land. No town dominates: Daphne, the largest, has 31,396 residents, 11.7% of the total. Together its 14 incorporated places hold 58.3% of those residents; the other 41.7% live outside any of them. Reported testing is thin here: 31 tests over 2008 to 2017, or 0.1 for every 1,000 residents (2025 estimate), where Alabama as a whole comes to 2.4.
From Daphne to Perdido Beach, CDC publishes no figure by town: each reads Baldwin County's.
| Place | Residents | Since 2020 | Share of residents |
|---|---|---|---|
| Daphne | 31,396 | +13.1% | 11.7% |
| Foley | 30,354 | +44.7% | 11.3% |
| Fairhope | 26,625 | +15.3% | 9.9% |
| Gulf Shores | 17,394 | +13.8% | 6.5% |
| Spanish Fort | 11,203 | +10.7% | 4.2% |
| Orange Beach | 8,798 | +8.2% | 3.3% |
| Bay Minette | 8,555 | +4.8% | 3.2% |
| Robertsdale | 7,761 | +15.0% | 2.9% |
| Loxley | 6,131 | +68.9% | 2.3% |
| Silverhill | 2,529 | +217.7% | 0.9% |
| Elberta | 2,183 | +8.0% | 0.8% |
| Summerdale | 1,724 | +14.9% | 0.6% |
- Magnolia Springs
- Perdido Beach
14 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).
Baldwin County, Homes
Homes in Baldwin County
Of Baldwin County's 128,518 homes, 65% are detached houses, against 69% across Alabama; 19% are in buildings of five or more homes. Much of Baldwin County is recent building: 45% of its homes have gone up since 2000 and the middle year built is 1998, against 1985 for Alabama. Owners live in 78% of the occupied homes (Alabama: 70%), so for most households a test and a fix are their own to order.
| Homes | Baldwin County | Alabama |
|---|---|---|
| Housing units | 128,518 | 2,316,192 |
| Detached houses | 65% | 69% |
| In buildings of 5 or more | 19% | 12% |
| Mobile homes | 10% | 13% |
| Built before 1960 | 5% | 16% |
| Built since 2000 | 45% | 27% |
| Middle year built | 1998 | 1985 |
| Owner-occupied | 78% | 70% |
Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.