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State overview
Radon in New York
Of New York's 62 counties and county equivalents, EPA places 34 in Zone 1, 13 in Zone 2, 15 in Zone 3. Zones are county-wide predictions; testing is the only way to know your home's level.
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.
All 62 counties
Source: EPA radon zones spreadsheet (EPA 402/A-16/001).