Los Angeles vs Modesto Air Quality Comparison
Which city has cleaner air right now, from the latest EPA AirNow AQI
As of September 23, 2026, Los Angeles, CA has cleaner air than Modesto, CA — AQI 32 (Good) vs 59 (Moderate), a gap of 27 AQI points in the latest EPA AirNow observations. Lower AQI means cleaner air. Los Angeles's reading is driven by PM2.5 and Modesto's by PM10.
Los Angeles, CA
Good
Modesto, CA
Moderate
Summary
Los Angeles has 27 points better air quality
Los Angeles has an AQI of 32 compared to 59
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5-Day Forecast Comparison
| Day | Los Angeles | Modesto | Better |
|---|---|---|---|
| Today | AQI 61 | AQI 50 | Modesto |