Counties with the Worst Air Quality in New Mexico
The top 15 of 15 New Mexico counties on GIS Map, ranked by median Air Quality Index, counting only counties that host an EPA air monitor.
| # | County | Median AQI |
|---|---|---|
| 1 | Bernalillo County | 61 |
| 2 | Eddy County | 49 |
| 3 | San Juan County | 48 |
| 4 | Rio Arriba County | 45 |
| 5 | Santa Fe County | 45 |
| 6 | Lea County | 44 |
| 7 | Sandoval County | 44 |
| 8 | Valencia County | 43 |
| 9 | Catron County | 39 |
| 10 | Chaves County | 27 |
| 11 | Luna County | 17 |
| 12 | Lincoln County | 16 |
| 13 | Socorro County | 16 |
| 14 | Taos County | 16 |
| 15 | Los Alamos County | 14 |
Source: EPA Air Quality Index annual summary (2024). All counties with data are ranked. Estimates carry margins of error.
Citing this page: GIS Map, “Counties with the Worst Air Quality in New Mexico”, https://gismap.land/rankings/new-mexico/worst-air-quality-counties. Figures from EPA Air Quality Index annual summary (2024).
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