San Francisco vs Visalia 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 Visalia, CA — AQI 13 (Good) vs 66 (Moderate), a gap of 53 AQI points in the latest EPA AirNow observations. Lower AQI means cleaner air. San Francisco's reading is driven by O3 and Visalia's by PM2.5.
San Francisco, CA
Good
Visalia, CA
Moderate
Summary
San Francisco has 53 points better air quality
San Francisco has an AQI of 13 compared to 66
Extra Protection for Visalia Homes
Air quality in Visalia is moderate (AQI 66), 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.
Compare top-rated True-HEPA purifiers:
Prices are approximate and subject to change. As an Amazon Associate, we earn from qualifying purchases at no extra cost to you.
5-Day Forecast Comparison
| Day | San Francisco | Visalia | Better |
|---|---|---|---|
| Today | AQI 55 | AQI 94 | San Francisco |