San Jose vs Stockton Air Quality Comparison
Which city has cleaner air right now, from the latest EPA AirNow AQI
As of November 8, 2026, San Jose, CA has cleaner air than Stockton, CA — AQI 48 (Good) vs 60 (Moderate), a gap of 12 AQI points in the latest EPA AirNow observations. Lower AQI means cleaner air. San Jose's reading is driven by PM2.5 and Stockton's by PM2.5.
San Jose, CA
Good
Stockton, CA
Moderate
Summary
San Jose has 12 points better air quality
San Jose has an AQI of 48 compared to 60
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Air quality in Stockton is moderate (AQI 60), 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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5-Day Forecast Comparison
| Day | San Jose | Stockton | Better |
|---|---|---|---|
| Today | AQI 55 | AQI 64 | San Jose |