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Radon Levels in Yakutat City and Borough, Alaska

EPA puts Yakutat City and Borough in Zone 3, its lowest radon zone. 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, 311 miles

    Anchorage Municipality
    3.1%
    Alaska
    11.5%

    Share at 4+ pCi/L, 130 tests, 2022

  • Ground above low

    None

    79.2 pts below Alaska

    Yakutat City and Borough
    0.0%
    Alaska
    79.2%

    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 3

    Lower potential

    1. 1
    2. 2
    3. Zone 3

    1 highest, 3 lowest

    EPA predicts under 2 pCi/L indoors

Read a result for Yakutat City and Borough

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

Yakutat City and Borough, At a glance

Yakutat City and Borough at a glance

Predicted: EPA radon zone

EPA Zone 3: lower predicted potential

is EPA's lowest class, and its forecast for Yakutat City and Borough as a whole is an average indoor of less than 2 pCi/L (less than 75 Bq/m³). A low zone clears no address in it: homes above EPA's turn up in all three zones.

USGS geologic potential: Low across 98% 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 Yakutat City and Borough. Anchorage Municipality, 311 miles away, is the nearest county with a figure in 2022.

How to read these figures

Yakutat City and Borough, Compared

Yakutat City and Borough radon figures, compared

Calculated by Radon411

CDC's county radon counts in 2022 cover 19 Alaska counties, and Yakutat City and Borough is not among them: no year's figure and no ten-year laboratory total names it. Pooled across 19 Alaska counties, 11.5% of reported tests reached that level; across every county in the country with a figure, 23.9%.

The nearest counties with a figure are Anchorage Municipality (311 miles away) at 3.1%, Matanuska-Susitna Borough (351 miles away) at 14.3% and Fairbanks North Star Borough (395 miles away) at 19.4%. 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 Yakutat City and Borough in Zone 3, its lowest label: a predicted county average under 2 pCi/L. USGS geology rates 98% of the county's land low radon potential.

Alaska, the United States and the counties around Yakutat City and Borough, 2022
AreaTestsAt or above 4 pCi/LMedian
Alaska, pooled19 counties, pooled31411.5%Not pooled
United States, pooled853 counties, pooled333,14023.9%Not pooled
Fairbanks North Star Boroughhighest in the state7219.4%1.4 pCi/L
Anchorage Municipalitylowest in the state1303.1%0.5 pCi/L
Hoonah-Angoon Census Area, AKborders it10.0%0.4 pCi/L
The nearest Alaska counties to Yakutat City and Borough with 30 or more tests, 2022
CountyDistanceTestsAt or above 4 pCi/LMedian
Anchorage Municipality311 mi1303.1%0.5 pCi/L
Matanuska-Susitna Borough351 mi4214.3%1.1 pCi/L
Fairbanks North Star Borough395 mi7219.4%1.4 pCi/L

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

Yakutat City and Borough, Geology

The ground under Yakutat City and Borough

Predicted

USGS's geologic map puts all of Yakutat City and Borough's mapped land in one class: low radon potential. 98.0% of it lies in the area the map calls Pacific Border Ranges, to which USGS gives a radon index of 7, in the low band (5 to 8).

USGS's geologic areas under Yakutat City and Borough
AreaThe rock, in USGS's wordsPotentialRadon indexShare of land
Pacific Border RangesPaleozoic and Mesozoic sedimentary and metamorphic rocks with some mafic volcanic and intrusive rocks.Low798.0%

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

Yakutat City and Borough beside the ground around it

Across Alaska 79.2% of the land is rated moderate; none of Yakutat City and Borough's is. Every one of the 2 boroughs and census areas that border it has more moderate-potential ground, Valdez-Cordova Census Area the most at 50.6%.

Share of land by USGS radon potential: Yakutat City and Borough, the 2 boroughs and census areas bordering it and Alaska
AreaEPA zoneLow potentialModerate potentialHigh potential
Yakutat City and BoroughZone 398.0%NoneNone
Hoonah-Angoon Census AreaNot published63.3%29.7%None
Valdez-Cordova Census AreaZone 347.0%50.6%None
Alaska29 boroughs and census areas, pooled by land areaVaries19.2%79.2%None

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

What it means

Yakutat City and Borough, Questions

Questions about radon in Yakutat City and Borough

Are radon levels high in Yakutat City and Borough?

No CDC testing statistics are published here for Yakutat City and Borough, Alaska yet. Of the 3 nearest counties with a figure, within 395 miles, the share of tests at or above 4 pCi/L runs from 3.1% to 19.4%.

Which counties border Yakutat City and Borough?

Yakutat City and Borough borders 2 boroughs and census areas: Hoonah-Angoon Census Area and Valdez-Cordova Census Area.

Products

Yakutat City and Borough, Products

Testing a home in Yakutat City and Borough

No CDC figure names Yakutat City and Borough; the nearest county with one, Anchorage Municipality (311 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 Yakutat City and Borough.

Test kits and monitors3

See every kit and monitor

Best radon monitors for Yakutat City and Borough homes, compared

Explore

Yakutat City and Borough, Bordering boroughs and census areas

Boroughs and census areas bordering Yakutat City and Borough

Calculated by Radon411

Yakutat City and Borough, Residents

Who lives in Yakutat City and Borough

About 672 people live in Yakutat City and Borough by the Census Bureau's estimate for July 1, 2025, 10 fewer than in 2020 (−1.5%). Spread over its land, that is 0.1 people to the square mile. CDC publishes no radon test count for Yakutat City and Borough; across Alaska its counts for 2022 come to 0.4 tests for every 1,000 residents (2025 estimate).

Census lists no incorporated place in Yakutat City and Borough: every home in it reads the county's figures.

Residents: U.S. Census Bureau population estimates for July 1, 2025 (Vintage 2025).

Yakutat City and Borough, Homes

Homes in Yakutat City and Borough

Yakutat City and Borough is a place of houses on their own lots: 79% of its 391 homes are detached single-family houses, against 63% across Alaska. Half of its homes were built before 1983, close to Alaska's 1985: 8% date from before 1960 and 24% from 2000 or later. 61% 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 in Yakutat City and Borough, Alaska, 2019 to 2023
HomesYakutat City and BoroughAlaska
Housing units391327,610
Detached houses79%63%
In buildings of 5 or more5%12%
Mobile homes4%4%
Built before 19608%8%
Built since 200024%25%
Middle year built19831985
Owner-occupied61%67%

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