Locations and reports
Radon in Billings, Montana
EPA puts Yellowstone County, where Billings is, in Zone 2, its middle radon zone. Homes with elevated levels occur in all three zones, so only a test measures yours.
Data checked By Radon411Methodology
- Predicted
- Zone 2Moderate predicted potential
- Measured
42.4% of 1,520 tests reported to CDC for Yellowstone County (2008 to 2017, laboratory) were at or above 4 pCi/L- Your home
- Test to knowNo area figure here is a reading of your home.
The data
Billings, What is published
What is published for Billings
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 Billings, so every radon figure on this page belongs to a county and is labelled with it. Only a test tells you about one home.
Yellowstone County has an EPA zone and its own CDC test figures, shown below. About 121,239 people live in Billings.
Billings, Counties
The county Billings lies in
MeasuredEach 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.
Yellowstone CountyZone 2Moderate predicted potential
- 42.4%
- Reported tests at or above 4 pCi/L, 2008 to 2017, laboratory
- 3.4 pCi/L
- Median reported result
- 1,520 tests
- Tests reported to CDC
- 0
- Annual years on file
The median reported pre-mitigation result for 2008 to 2017, laboratory was 3.4 pCi/L in Yellowstone 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.
Radon Action Brief
National Radon Action MonthPre-sale
The radon brief for Billings, in one dated file.
- Your area's radon record, explained. EPA's zone and any CDC tests.
- Your plan to test this week. Which test, where it goes, how long.
- Fix costs and pros near you. Costs, EPA's checklist, listed pros.
Save 64%Sale price: $8.99Price after the sale: $25Ends Jan 31Then $25Sale ends January 31, then $25
Local help
Billings, Local resources
Local resources for Billings
Who to ask in Montana: its radon program, test kits and professionals.
- Radon Control ProgramMontana DEQMontana’s radon program answers questions about testing, mitigation and the rules where you live.Visit the program’s page(opens in a new tab)
- Free and low-cost kitsThe program says:
Energy Bureau staff manage the radon information toll-free hotline and distribute subsidized radon test kits to Montana residents.
- Compare kits
- Professionals in MontanaRadon testers and mitigators in Montana, each with how its listing was checked.
What Montana's program says
- Phone
- 1-800-546-0483
- Licensing of radon professionals
Montana DEQ does not certify or require proof of certification for the contractors listed.
What it means
Billings, Questions
Questions about radon in Billings
What radon zone is Billings in?
EPA's Map of Radon Zones classifies counties, not cities. Yellowstone County is in Zone 2 (moderate 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 Billings's counties?
For 2008 to 2017, laboratory, the share of radon tests reported to CDC that were at or above 4 pCi/L was 42.4% in Yellowstone County (1,520 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 Billings?
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 Yellowstone County, the county Billings lies in.
Explore
Billings, Next steps
What to do next
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