Austin vs Brownsville Air Quality Comparison
Which city has cleaner air right now, from the latest EPA AirNow AQI
As of November 8, 2026, Brownsville, TX has cleaner air than Austin, TX — AQI 43 (Good) vs 53 (Moderate), a gap of 10 AQI points in the latest EPA AirNow observations. Lower AQI means cleaner air. Austin's reading is driven by PM2.5 and Brownsville's by PM2.5.
Austin, TX
Moderate
Brownsville, TX
Good
Summary
Brownsville has 10 points better air quality
Brownsville has an AQI of 43 compared to 53
Extra Protection for Austin Homes
Air quality in Austin is moderate (AQI 53), 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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