Miami vs St. Petersburg Air Quality Comparison
Which city has cleaner air right now, from the latest EPA AirNow AQI
As of September 16, 2026, St. Petersburg, FL has cleaner air than Miami, FL — AQI 38 (Good) vs 54 (Moderate), a gap of 16 AQI points in the latest EPA AirNow observations. Lower AQI means cleaner air. Miami's reading is driven by PM2.5 and St. Petersburg's by PM2.5.
Miami, FL
Moderate
St. Petersburg, FL
Good
Summary
St. Petersburg has 16 points better air quality
St. Petersburg has an AQI of 38 compared to 54
Extra Protection for Miami Homes
Air quality in Miami is moderate (AQI 54), 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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