Insights: Roswell, NM metro. Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 16 over 18 measured days in 2025, which corresponds to a Good band and a Excellent metro-wide health grade. The monitored-day split lands at 17 Good days (94%), 1 Moderate (6%), and 0 Unhealthy-for-Sensitive-Groups (0%). The 90th-percentile AQI finished at 47 while the highest single-day reading hit 53 (Moderate). Metro residents averaged roughly 28.3 clean-air days per 30-day window across the reporting year.

Across the 2020–2025 trend window, good days shifted by -91 and the median AQI moved -7 points, which classifies the multi-year trajectory as improving. The metro avoided any Unhealthy-tier days entirely, an outcome that typically reflects favorable wind patterns, lower industrial density, or effective regional emission controls. Metros with comparable AQI profiles include Clearlake, CA (100.0% good, AQI 17); Bozeman, MT (99.1% good, AQI 14); Centralia, WA (93.3% good, AQI 18).