Insights: Ca¤on City, CO metro. Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 13 over 362 measured days in 2024, which corresponds to a Good band and a Excellent metro-wide health grade. The monitored-day split lands at 354 Good days (98%), 8 Moderate (2%), and 0 Unhealthy-for-Sensitive-Groups (0%). The 90th-percentile AQI finished at 29 while the highest single-day reading hit 59 (Moderate). Metro residents averaged roughly 29.3 clean-air days per 30-day window across the reporting year.

Across the 2020–2024 trend window, good days shifted by +337 and the median AQI moved +2 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 Show Low, AZ (99.5% good, AQI 13); Houghton, MI (98.3% good, AQI 12); Los Alamos, NM (100.0% good, AQI 14).