Corpus Christi vs Brownsville Air Quality Comparison
Which city has cleaner air right now, from the latest EPA AirNow AQI
As of September 23, 2026, Brownsville, TX has cleaner air than Corpus Christi, TX — AQI 47 (Good) vs 52 (Moderate), a gap of 5 AQI points in the latest EPA AirNow observations. Lower AQI means cleaner air. Corpus Christi's reading is driven by PM2.5 and Brownsville's by PM2.5.
Corpus Christi, TX
Moderate
Brownsville, TX
Good
Summary
Brownsville has 5 points better air quality
Brownsville has an AQI of 47 compared to 52
Extra Protection for Corpus Christi Homes
Air quality in Corpus Christi is moderate (AQI 52), 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.
Compare top-rated True-HEPA purifiers:
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