Riverside vs Modesto Air Quality Comparison
Which city has cleaner air right now, from the latest EPA AirNow AQI
As of November 8, 2026, Riverside, CA has cleaner air than Modesto, CA — AQI 56 (Moderate) vs 64 (Moderate), a gap of 8 AQI points in the latest EPA AirNow observations. Lower AQI means cleaner air. Riverside's reading is driven by PM2.5 and Modesto's by PM2.5.
Riverside, CA
Moderate
Modesto, CA
Moderate
Summary
Riverside has 8 points better air quality
Riverside has an AQI of 56 compared to 64
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5-Day Forecast Comparison
| Day | Riverside | Modesto | Better |
|---|---|---|---|
| Today | AQI 50 | AQI 60 | Riverside |