San Jose vs Riverside 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 Riverside, CA — AQI 48 (Good) vs 56 (Moderate), a gap of 8 AQI points in the latest EPA AirNow observations. Lower AQI means cleaner air. San Jose's reading is driven by PM2.5 and Riverside's by PM2.5.
San Jose, CA
Good
Riverside, CA
Moderate
Summary
San Jose has 8 points better air quality
San Jose has an AQI of 48 compared to 56
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5-Day Forecast Comparison
| Day | San Jose | Riverside | Better |
|---|---|---|---|
| Today | AQI 55 | AQI 50 | Riverside |