New Mexico Cities Ranked by Indoor Radon Levels
Measured averages from Airthings devices across New Mexico, USA. Action level: 4 pCi/L — the threshold at which remediation is recommended.
Taos has the highest measured indoor radon in New Mexico at 6.3 pCi/L, based on Airthings measurements across 29 cities.
Updated September 28, 2026
Highest city
6.3pCi/L
Taos
New Mexico city average
3.0pCi/L
across 29 cities
Above action level
7/ 29
cities
| # | Location | Avg level | vs action level |
|---|---|---|---|
| 1 | Taos | 6.3 pCi/L | 1.6× over |
| 2 | Pecos | 5.8 pCi/L | 1.5× over |
| 3 | Farmington | 5.4 pCi/L | 1.3× over |
| 4 | Arroyo Seco | 4.9 pCi/L | 1.2× over |
| 5 | Sandia Heights | 4.2 pCi/L | 1.1× over |
| 6 | Eldorado at Santa Fe | 4.2 pCi/L | 1.0× over |
| 7 | Santa Teresa | 4.1 pCi/L | 1.0× over |
| ✓ Below EPA action level (4 pCi/L) | |||
| 8 | Santa Fe | 3.6 pCi/L | 0.9× under |
| 9 | Artesia | 3.5 pCi/L | 0.9× under |
| 10 | Agua Fria | 3.4 pCi/L | 0.9× under |
| 11 | Los Alamos | 3.2 pCi/L | 0.8× under |
| 12 | Ponderosa Pine | 3.2 pCi/L | 0.8× under |
| 13 | Sandia Knolls | 3.2 pCi/L | 0.8× under |
| 14 | North Valley | 3.1 pCi/L | 0.8× under |
| 15 | Angel Fire | 2.8 pCi/L | 0.7× under |
| 16 | Carnuel | 2.7 pCi/L | 0.7× under |
| 17 | Albuquerque | 2.7 pCi/L | 0.7× under |
| 18 | Placitas | 2.7 pCi/L | 0.7× under |
| 19 | Clovis | 2.6 pCi/L | 0.7× under |
| 20 | White Rock | 2.2 pCi/L | 0.5× under |
| 21 | Las Cruces | 1.9 pCi/L | 0.5× under |
| 22 | Corrales | 1.8 pCi/L | 0.5× under |
| 23 | Los Ranchos de Albuquerque | 1.8 pCi/L | 0.5× under |
| 24 | Roswell | 1.8 pCi/L | 0.5× under |
| 25 | Paradise Hills | 1.3 pCi/L | 0.3× under |
| 26 | Rio Rancho | 1.3 pCi/L | 0.3× under |
| 27 | Lee Acres | 1.3 pCi/L | 0.3× under |
| 28 | Dona Ana | 1.2 pCi/L | 0.3× under |
| 29 | Sunland Park | 0.7 pCi/L | 0.2× under |