San Antonio vs Amarillo Air Quality Comparison
Which city has cleaner air right now, from the latest EPA AirNow AQI
As of September 23, 2026, Amarillo, TX has cleaner air than San Antonio, TX — AQI 47 (Good) vs 55 (Moderate), a gap of 8 AQI points in the latest EPA AirNow observations. Lower AQI means cleaner air. San Antonio's reading is driven by PM2.5 and Amarillo's by O3.
San Antonio, TX
Moderate
Amarillo, TX
Good
Summary
Amarillo has 8 points better air quality
Amarillo has an AQI of 47 compared to 55
Extra Protection for San Antonio Homes
Air quality in San Antonio is moderate (AQI 55), with fine particles (PM2.5) the main concern. A True-HEPA purifier gives sensitive groups — kids, seniors and anyone with asthma or allergies — cleaner air indoors on days like today.
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