Insights: Provo-Orem, UT metro. Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 49 over 304 measured days in 2025, which corresponds to a Good band and a Moderate metro-wide health grade. The monitored-day split lands at 164 Good days (54%), 139 Moderate (46%), and 1 Unhealthy-for-Sensitive-Groups (0%). The 90th-percentile AQI finished at 75 while the highest single-day reading hit 109 (USG). Metro residents averaged roughly 16.2 clean-air days per 30-day window across the reporting year.

Across the 2020–2025 trend window, good days shifted by -35 and the median AQI moved +1 points, which classifies the multi-year trajectory as stable. 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 Colorado Springs, CO (58.2% good, AQI 49); Farmington, NM (58.2% good, AQI 49); Greenville-Anderson-Mauldin, SC (53.5% good, AQI 49).