# Counties in New Mexico by highest daily Air Quality Index (US EPA), 2014

All 17 values come from U.S. Environmental Protection Agency for 2014, so the places are comparable. 4 counties have no value for that period and are not ranked.

- Indicator id: `aqi_max`
- Unit: index
- Definition: Highest daily Air Quality Index (AQI) value recorded in a US county during the year, from the EPA AirData annual summaries. Values above 500 are beyond the AQI scale and are published as EPA computes them.
- Source: U.S. Environmental Protection Agency, EPA AirData annual AQI by county: highest daily AQI (https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual)
- Publisher page: https://invokely.ai/en/publishers/environmental-protection-agency
- Retrieved: 2026-10-12
- Citation: U.S. Environmental Protection Agency, Air Quality System, AirData. EPA AirData annual AQI by county: highest daily AQI. https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual. Retrieved 2026-10-12.
- Web page: https://invokely.ai/rankings/highest-daily-air-quality-index/new-mexico-counties

| Rank | Place | index |
|---:|---|---:|
| 1 | Doña Ana County | 450 |
| 2 | Luna County | 224 |
| 3 | Eddy County | 115 |
| 4 | Lea County | 113 |
| 5 | Bernalillo County | 105 |
| 6 | San Juan County | 97 |
| 7 | Rio Arriba County | 93 |
| 7 | Valencia County | 93 |
| 9 | Grant County | 90 |
| 10 | Santa Fe County | 87 |
| 11 | Sandoval County | 80 |
| 12 | Chaves County | 78 |
| 13 | Catron County | 66 |
| 14 | Socorro County | 62 |
| 15 | Lincoln County | 61 |
| 16 | Taos County | 59 |
| 17 | Los Alamos County | 43 |