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Radon Levels in Guam

EPA has no radon zone on file for Guam, and the only way to know your home's level is to test it.

How to test this homeFind a certified tester

  • Tests reported

    0

    None published

    A home here needs its own test

Read a result for Guam

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.

Interpret this readingWhat a fix costs

The data

Guam, At a glance

Guam at a glance

Predicted: EPA radon zone

No EPA zone on file

Radon411 has no EPA radon zone on file for Guam, and it does not guess one.

A prediction for the whole county, not a measurement of any address: elevated homes occur in all three zones.

Predicted: no EPA zone on file yet

Measured: tests reported to CDC

No CDC test figures here

CDC has published no radon test figures for Guam. Only a test tells you the level in a home.

How to read these figures

Guam, Compared

Guam radon figures, compared

Calculated by Radon411

No Guam county, Guam included, has a radon test figure from CDC; over the 2006 to 2015 laboratory totals, the agency's counts name 2,669 counties in other states. Across every county in the country with a figure (2,669), 36.3% of reported tests reached that level; no Guam county contributes to that pool.

The United States and the counties around Guam, 2006 to 2015, laboratory
AreaTestsAt or above 4 pCi/LMedian
United States, pooled2,669 counties, pooled1,805,52836.3%Not pooled

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

Local help

Guam, Local resources

Radon testing and mitigation in Guam

What it means

Guam, Questions

Questions about radon in Guam

Are radon levels high in Guam?

No CDC testing statistics are published here for Guam yet. No county within 250 miles of Guam has a CDC figure, so the only comparison is the national pool: 36.3% of reported tests at or above 4 pCi/L.

Which counties border Guam?

No county is recorded as sharing a land boundary with Guam.

Products

Guam, Products

Testing a home in Guam

No CDC figure names Guam, and none within 250 miles of it: a test of this home is the only reading it will get. A short-term kit (2 to 90 days) is the quick first check for a home in Guam; a long-term test tells the year-round average.

Test kits and monitors3

See every kit and monitor

Best radon monitors for Guam homes, compared

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Guam, Bordering county equivalents

County equivalents bordering Guam

Calculated by Radon411

No bordering counties on file

Guam has no county recorded as sharing a land boundary with it. Island and coastal county equivalents legitimately have none.