Houston vs Corpus Christi Air Quality Comparison
Which city has cleaner air right now, from the latest EPA AirNow AQI
As of September 16, 2026, Corpus Christi, TX has cleaner air than Houston, TX — AQI 28 (Good) vs 57 (Moderate), a gap of 29 AQI points in the latest EPA AirNow observations. Lower AQI means cleaner air. Houston's reading is driven by PM2.5 and Corpus Christi's by O3.
Houston, TX
Moderate
Corpus Christi, TX
Good
Summary
Corpus Christi has 29 points better air quality
Corpus Christi has an AQI of 28 compared to 57
Extra Protection for Houston Homes
Air quality in Houston is moderate (AQI 57), 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:
Prices are approximate and subject to change. As an Amazon Associate, we earn from qualifying purchases at no extra cost to you.