Short-term kit
RA100 short-term liquid scintillation radon test kit
- Lab fee extra
Method: Liquid scintillation
In home: 48 to 96 hours
Locations and reports
Radon Levels in Aleutians East Borough, Alaska
EPA puts Aleutians East Borough in Zone 3, its lowest radon zone, and only 2 radon tests from it are on file with CDC (2022). Homes with elevated levels occur in all three zones, so only a test measures yours.
Data checked By Radon411Methodology
Nearest county
3.1%
Anchorage Municipality, 615 miles
- Anchorage Municipality
- 3.1%
- Alaska
- 11.5%
Share at 4+ pCi/L, 130 tests, 2022
Ground above low
93.0%
13.7 pts above Alaska
- Aleutians East Borough
- 93.0%
- Alaska
- 79.2%
Share of land USGS rates moderate or high potential
Tests reported
2
Too few for a share
- Aleutians East Borough
- 2
- Needed
- 30
2022
EPA radon zone
Zone 3
Lower potential
- 1
- 2
- Zone 3
1 highest, 3 lowest
EPA predicts under 2 pCi/L indoors
Read a result for Aleutians East Borough
Starts at EPA's action level
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
- Under 20 to 1.9 pCi/L
- 2 to 4consider a fix
- 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
Aleutians East Borough, At a glance
Aleutians East Borough at a glance
Predicted: EPA radon zone
EPA Zone 3: lower predicted potential
USGS geologic potential: Moderate across 93% of the county's area
Predicted: EPA Map of Radon Zones
Measured: tests reported to CDC
Radon tests reported for Aleutians East Borough, 2022
CDC holds 2 reported tests for Aleutians East Borough in 2022, with a median of 0.6 pCi/L: too few to describe a county (Radon411 reads a share from 30 tests up). Aleutians East Borough beside the counties around it is how this page reads it.
What these figures count
Only 2 tests were reported to CDC for Aleutians East Borough over 2022, and tests are often run on homes being sold or already suspected of a problem: so few describe neither the borough or census area nor this house.
Measured: CDC tracking data. Measured data period: 2022.
Aleutians East Borough, Compared
Aleutians East Borough radon figures, compared
Calculated by Radon411CDC's largest figure for Aleutians East Borough rests on 2 tests in 2022, 0 of them at or above 4 pCi/L, so each test moves its share by 50.0 points and no rank or comparison is drawn from it. Results reached as high as 1.0 pCi/L, with a middle value of 0.6 pCi/L.
The nearest counties with a figure are Anchorage Municipality (615 miles away) at 3.1%, Matanuska-Susitna Borough (653 miles away) at 14.3% and Fairbanks North Star Borough (839 miles away) at 19.4%. Pooled across 19 Alaska counties, 11.5% of reported tests reached that level; across every county in the country with a figure, 23.9%.
Statewide for the same period, Fairbanks North Star Borough reported the highest share (19.4%) and Anchorage Municipality the lowest (3.1%). EPA's 1993 map puts Aleutians East Borough in Zone 3, its lowest label: a predicted county average under 2 pCi/L. USGS geology rates 93% of the county's land moderate radon potential.
Pooled shares: Radon411's sum of CDC's county counts for one period.
Aleutians East Borough, Geology
The ground under Aleutians East Borough
PredictedUSGS's geologic map puts all of Aleutians East Borough's mapped land in one class: moderate radon potential. The map puts 62.2% of Aleutians East Borough in the area it calls Alaska-Aleutian Province and 30.8% in Central Alaska. USGS gives the first a radon index of 9 and the second 11, both in the moderate band (9 to 11).
| Area | The rock, in USGS's words | Potential | Radon index | Share of land |
|---|---|---|---|---|
| Alaska-Aleutian Province | sedimentary and mafic volcanic rocks, glacial deposits; felsic intrusives; metamorphic rocks | Moderate | 9 | 62.2% |
| Central Alaska | Uraniferous granites, felsic intrusives; clastic and carbonate sedimentary rocks; metamorphic, and volcanic rocks. | Moderate | 11 | 30.8% |
Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.
Aleutians East Borough beside the ground around it
Aleutians East Borough has more moderate-potential ground than Alaska as a whole: 93.0% of its land against 79.2%. Lake and Peninsula Borough, the one borough or census area that borders it, has more moderate-potential ground: 99.2%.
The map rates the ground, not the air in any home.
Local help
Aleutians East Borough, Local resources
Radon testing and mitigation in Aleutians East Borough
- Alaska's radon programAlaska Division of Geological & Geophysical SurveysAlaska's radon program answers questions about testing, mitigation and the rules in Alaska.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 Alaska directoryNo professionals are listed in Alaska yet. The state program can point you to registered testers and mitigators.
What Alaska's program says
- Phone
- 907-269-6401
- paul.goodfellow@alaska.gov
What it means
Aleutians East Borough, Questions
Questions about radon in Aleutians East Borough
Are radon levels high in Aleutians East Borough?
In 2022, 0.0% of the radon tests reported to CDC for Aleutians East Borough, Alaska were at or above 4 pCi/L, and the median reported pre-mitigation result was 0.6 pCi/L. Of the 3 nearest counties with a figure, within 839 miles, the share of tests at or above 4 pCi/L runs from 3.1% to 19.4%.
Which counties border Aleutians East Borough?
Aleutians East Borough borders 1 borough or census area: Lake and Peninsula Borough.
Products
Aleutians East Borough, Products
Testing a home in Aleutians East Borough
No CDC figure names Aleutians East Borough; the nearest county with one, Anchorage Municipality (615 miles away), reported 3.1% of its tests at or above 4 pCi/L in 2022, the only reading nearby until a test of this home. 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 Aleutians East Borough.
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
Monitor
lüft plug-in radon and indoor air quality monitor
- C-NRPP 2024/25: Approved
- Plug-in
- Wi-Fi, Bluetooth
- App only
First reading: Within 90 minutes
- See every kit and monitor Test kits and monitors
Test kits and monitors: 1 of 3
Best radon monitors for Aleutians East Borough homes, compared
Explore
Aleutians East Borough, Bordering boroughs and census areas
Boroughs and census areas bordering Aleutians East Borough
Calculated by Radon4110.0%at or above 4 pCi/L
Median 0.5 pCi/L · 1 test
Aleutians East Borough, Cities and towns
Cities and towns in Aleutians East Borough
The Census Bureau estimates 3,479 residents in Aleutians East Borough for July 1, 2025, 54 more than in 2020 (+1.6%). Spread over its land, that is 0.5 people to the square mile. Its largest town, Akutan, has 1,591 residents, 45.7% of the total. Together its 5 incorporated places hold 98.6% of those residents; the other 1.4% live outside any of them. CDC's 2 reported tests for 2022 work out to 0.6 per 1,000 residents (2025 estimate), close to Alaska's 0.4.
From Akutan to Cold Bay, CDC publishes no figure by town: each reads Aleutians East Borough's.
| Place | Residents | Since 2020 | Share of residents |
|---|---|---|---|
| Akutan | 1,591 | +0.4% | 45.7% |
| King Cove | 781 | +2.4% | 22.4% |
| Sand Point | 607 | +3.9% | 17.4% |
| False Pass | 398 | +0.8% | 11.4% |
| Cold Bay | 54 | +1.9% | 1.6% |
5 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).
Aleutians East Borough, Homes
Homes in Aleutians East Borough
Of Aleutians East Borough's 1,174 homes, 67% are detached houses, against 63% across Alaska; 10% are in buildings of five or more homes. Half of its homes were built before 1981, close to Alaska's 1985: 15% date from before 1960 and 9% from 2000 or later. 57% of occupied homes are lived in by their owner (Alaska: 67%); in the rest a tenant can run a test, but a fix is the landlord's to make.
| Homes | Aleutians East Borough | Alaska |
|---|---|---|
| Housing units | 1,174 | 327,610 |
| Detached houses | 67% | 63% |
| In buildings of 5 or more | 10% | 12% |
| Mobile homes | 8% | 4% |
| Built before 1960 | 15% | 8% |
| Built since 2000 | 9% | 25% |
| Middle year built | 1981 | 1985 |
| Owner-occupied | 57% | 67% |
Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.