County radon rundown
Radon in Hamilton County, NY
EPA ZONE3
Low radon potentialEPA predicts an average indoor screening level below 2 pCi/L for Zone 3 counties. That's an average across the county, not your home: homes with elevated radon have been found in every zone, so EPA recommends testing everywhere.
Source: EPA Map of Radon Zones
Where Zone 3 sits on the radon scale
0248+
Scale in pCi/L. Outlined: EPA's predicted county average for Zone 3. Dashed line at 4: EPA's 4 pCi/L action level.
Test your home
A county zone can't tell you what's in your house. Neighbors can have very different readings, so testing is the only way to know.
Short-term test kitCharcoal kit, 2 to 7 days in your lowest lived-in room, then mailed to a lab.
[affiliate slot: test kit]
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Long-term test kit90+ days, a better picture of your year-round average.
[affiliate slot: long-term kit]
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Digital radon monitorPlug-in or battery monitor that shows levels continuously.
[affiliate slot: monitor, e.g. Airthings]
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What to do with your result
- Below 2 pCi/L: retest every couple of years or after renovations.
- 2 to 4 pCi/L: EPA says consider fixing your home.
- 4 pCi/L or higher: EPA recommends fixing your home. Confirm with a second test, then contact a certified radon mitigation professional. A typical fix is a sub-slab vent fan system.
- On a private well? Consider testing your well water for radon too.
Source: EPA A Citizen's Guide to Radon.
Radon in the news
New York stories
- January is National Radon Action Month - 14% of New York Homes are in Action LevelWRGB · 2025-01-15
- American Lung Association warns 14 percent of New York homes have high radon levelsWAMC · 2024-01-08
- High levels of radon detected in some New York homes, American Lung Association reportsSpectrum News · 2023-01-05
- Disturbing Report Finds High Levels of Toxic Radon in 14% of New York HomesWNBF · 2023-01-05
Headlines link to the original publishers via Google News. Updated 2026-10-27.
Nearby counties
- Herkimer County Zone 3
- Warren County Zone 3
- Fulton County Zone 3
- Essex County Zone 3