- Under 10%
- 10–20%
- 20–30%
- 30–40%
- 40% or more
- No data
Counties
| County | Tests | % ≥ 4 pCi/L | Median (pCi/L) | EPA zone (1993) | Source |
|---|---|---|---|---|---|
| Bernalillo County | 1,052 | 24% | 2.1 | Zone 1 | Radon test results from laboratories through 2017 |
| Catron County | 1 | 0% | 3.9 | Zone 2 | Radon test results from laboratories through 2017 |
| Chaves County | 9 | 44% | 3.8 | Zone 2 | Radon test results from laboratories through 2017 |
| Cibola County | 13 | 54% | 5.5 | Zone 2 | Radon test results from laboratories through 2017 |
| Colfax County | 15 | 40% | 2.6 | Zone 1 | Radon test results from laboratories through 2017 |
| Curry County | 135 | 4% | 0.6 | Zone 2 | Radon test results from laboratories through 2017 |
| De Baca County | — | — | — | Zone 2 | — |
| Doña Ana County | 104 | 13% | 1.3 | Zone 2 | Radon test results from laboratories through 2017 |
| Eddy County | 18 | 6% | 0.5 | Zone 2 | Radon test results from laboratories through 2017 |
| Grant County | 15 | 47% | 2.3 | Zone 2 | Radon test results from laboratories through 2017 |
| Guadalupe County | — | — | — | Zone 2 | — |
| Harding County | — | — | — | Zone 2 | — |
| Hidalgo County | — | — | — | Zone 2 | — |
| Lea County | 25 | 16% | 2.0 | Zone 2 | Radon test results from laboratories through 2017 |
| Lincoln County | 22 | 27% | 1.9 | Zone 2 | Radon test results from laboratories through 2017 |
| Los Alamos County | 78 | 38% | 3.0 | Zone 2 | Radon test results from laboratories through 2017 |
| Luna County | 5 | 40% | 2.5 | Zone 2 | Radon test results from laboratories through 2017 |
| McKinley County | 22 | 27% | 2.2 | Zone 2 | Radon test results from laboratories through 2017 |
| Mora County | 4 | 25% | 3.0 | Zone 1 | Radon test results from laboratories through 2017 |
| Otero County | 23 | 13% | 1.2 | Zone 2 | Radon test results from laboratories through 2017 |
| Quay County | 2 | 100% | 5.3 | Zone 2 | Radon test results from laboratories through 2017 |
| Rio Arriba County | 14 | 50% | 3.5 | Zone 1 | Radon test results from laboratories through 2017 |
| Roosevelt County | 2 | 100% | 8.0 | Zone 2 | Radon test results from laboratories through 2017 |
| San Juan County | 56 | 34% | 2.4 | Zone 2 | Radon test results from laboratories through 2017 |
| San Miguel County | 24 | 46% | 3.5 | Zone 1 | Radon test results from laboratories through 2017 |
| Sandoval County | 140 | 21% | 1.5 | Zone 2 | Radon test results from laboratories through 2017 |
| Santa Fe County | 1,819 | 31% | 2.7 | Zone 1 | Radon test results from laboratories through 2017 |
| Sierra County | 2 | 0% | 2.2 | Zone 2 | Radon test results from laboratories through 2017 |
| Socorro County | 9 | 0% | 0.8 | Zone 2 | Radon test results from laboratories through 2017 |
| Taos County | 83 | 77% | 8.5 | Zone 1 | Radon test results from laboratories through 2017 |
| Torrance County | 7 | 14% | 2.2 | Zone 2 | Radon test results from laboratories through 2017 |
| Union County | 2 | 100% | 5.5 | Zone 2 | Radon test results from laboratories through 2017 |
| Valencia County | 20 | 20% | 2.0 | Zone 2 | Radon test results from laboratories through 2017 |
Test your home
County figures show how often tests come back high, not the level in your home. Only a test tells you that: see how to test for radon.
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