San Francisco vs Sacramento Air Quality Comparison
Which city has cleaner air right now, from the latest EPA AirNow AQI
As of November 8, 2026, San Francisco, CA has cleaner air than Sacramento, CA — AQI 13 (Good) vs 75 (Moderate), a gap of 62 AQI points in the latest EPA AirNow observations. Lower AQI means cleaner air. San Francisco's reading is driven by O3 and Sacramento's by PM2.5.
San Francisco, CA
Good
Sacramento, CA
Moderate
Summary
San Francisco has 62 points better air quality
San Francisco has an AQI of 13 compared to 75
Extra Protection for Sacramento Homes
Air quality in Sacramento is moderate (AQI 75), 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 Francisco | Sacramento | Better |
|---|---|---|---|
| Today | AQI 55 | AQI 73 | San Francisco |
| Sun, Nov 8 | AQI 56 | AQI 64 | San Francisco |