Locations and reports
Radon in Rochester, New York
Rochester, New York lies in Monroe County, which EPA places in Zone 2, moderate predicted potential. Radon data is published by county, so this page reads Monroe County's figures.
What this means for you
- Your area: EPA rates Monroe County, where Rochester is, Zone 2, the middle 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 40 radon tests reported to CDC for Monroe County (2023), 10.0% 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.
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.
Rochester, What is published
What is published for Rochester
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 Rochester, so every radon figure on this page belongs to a county and is labelled with it. Only a test tells you about one home.
Monroe County has an EPA zone and its own CDC test figures, shown below. About 206,108 people live in Rochester.
Rochester, Counties
The county Rochester lies in
MeasuredEach county's own EPA zone and its own published CDC figures for 2023, 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.
Monroe CountyZone 2Moderate predicted potential
- 10.0%
- Reported tests at or above 4 pCi/L, 2023
- 1.5 pCi/L
- Median reported result
- 40 tests
- Tests reported to CDC
- 10
- Annual years on file
The median reported pre-mitigation result for 2023 was 1.5 pCi/L in Monroe 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, 2023.
Rochester, Local resources
Local resources for Rochester
Who to ask in New York: the state's radon program, test kits and professionals.
Radon Program
New York State Department of Health
New York’s radon program answers questions about testing, mitigation and the rules where you live.
- Phone
- 518-402-7556
- radon@health.ny.gov
- Licensing of radon professionals
NYS does not certify or license radon testers.
Test kits
The program says: Providing patients with information about how low-cost test kits may be obtained from the Radon Program.
Radon professionals
Radon testers and mitigators in New York, each with how its listing was checked.
Professionals in New YorkRochester, Questions
Questions about radon in Rochester
What radon zone is Rochester in?
EPA's Map of Radon Zones classifies counties, not cities. Monroe 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 Rochester's counties?
For 2023, the share of radon tests reported to CDC that were at or above 4 pCi/L was 10.0% in Monroe County (40 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 Rochester?
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 Monroe County, the county Rochester lies in.
Rochester / Next steps
What to do next
Learn
Know what radon is
What radon is, how it gets indoors, and why a county zone is not a reading for your home.
Learn about radonTest
Test the building you live in
Short-term or long-term, where the device goes, and closed-house conditions.
How to testFix
Bring a high level down
How a mitigation system works, and the retest that confirms it.
How mitigation worksFind a pro
Hire a certified professional
Measurement and mitigation professionals by state, with their certifications.
Find a professional