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Locations and reports

Radon in Las Vegas, Nevada

Las Vegas, Nevada lies in Clark County, which EPA places in Zone 3, lower predicted potential. Radon data is published by county, so this page reads Clark County's figures.

NevadaAbout 679,817 people

What this means for you

  • Your area: EPA rates Clark County, where Las Vegas is, Zone 3, the lowest of its three radon zones. That is a prediction for the whole county, and homes with elevated levels occur in all three zones.
  • Local tests: Of 2,598 radon tests reported to CDC for Clark County (2008 to 2017, laboratory), 8.1% were at or above 4 pCi/L, EPA's action level.
  • Your home: The only way to know your home’s level is to test it.
How to testFind a certified tester

pCi/L (picocuries per liter) is the unit radon is measured in. EPA recommends fixing a home at 4 pCi/L or above, its action level.

Las Vegas, What is published

What is published for Las Vegas

Information:

Radon data is published by county, not by city

Radon data is published by county, not by city. EPA assigns radon zones to counties, and CDC publishes radon test figures by county. Neither publishes a figure for Las Vegas, so every radon figure on this page belongs to a county and is labelled with it. Only a test tells you about one home.

Clark County has an EPA zone and its own CDC test figures, shown below. About 679,817 people live in Las Vegas.

Las Vegas, Counties

The county Las Vegas lies in

Measured

Each county's own EPA zone and its own published CDC figures for 2008 to 2017, laboratory, the newest period any of them has. A county without a figure for that period is shown without one, never with a figure from another year.

Clark CountyZone 3Lower predicted potential

8.1%
Reported tests at or above 4 pCi/L, 2008 to 2017, laboratory
0.9 pCi/L
Median reported result
2,598 tests
Tests reported to CDC
0
Annual years on file

The median reported pre-mitigation result for 2008 to 2017, laboratory was 0.9 pCi/L in Clark County.

CDC counts radon tests that were reported to it, not homes, and figures from few tests can swing widely from year to year. Each county’s report has its full history.

Predicted: EPA Map of Radon Zones, by county. Measured: CDC tracking data, by county, 2008 to 2017, laboratory.

Las Vegas, Local resources

Local resources for Las Vegas

Who to ask in Nevada: the state's radon program, test kits and professionals.

Nevada Radon Education Program

University Of Nevada, Reno

Nevada’s radon program answers questions about testing, mitigation and the rules where you live.

Email
chrisk@unr.edu
Visit the program's page(opens in a new tab)

Test kits

The program says: The program offers literature, maps, educational presentations and low-cost radon test kits.

Free and low-cost kitsCompare kits

Radon professionals

Radon testers and mitigators in Nevada, each with how its listing was checked.

Professionals in Nevada

Las Vegas, Questions

Questions about radon in Las Vegas

What radon zone is Las Vegas in?

EPA's Map of Radon Zones classifies counties, not cities. Clark County is in Zone 3 (lower predicted potential). A zone is a prediction for a whole county and never tells you the level in one home.

How many radon tests come back high in Las Vegas's counties?

For 2008 to 2017, laboratory, the share of radon tests reported to CDC that were at or above 4 pCi/L was 8.1% in Clark County (2,598 tests). Each is that county's own figure, counting tests reported to CDC, not homes. Radon411 does not average or combine them into a figure for the city.

Should I test my home in Las Vegas?

Yes. Testing is the only way to know the radon level in a specific building. EPA recommends fixing a home when the radon level is 4 pCi/L or higher. EPA recommends considering a fix when the level is between 2 and 4 pCi/L. How to test a home.

The answers use the published figures of Clark County, the county Las Vegas lies in.

Las Vegas, Keep reading

Keep reading

Las Vegas / Next steps

What to do next