San Francisco vs San Jose

Air Quality Comparison

San Francisco, CA

Good

StateCalifornia
Dominant PollutantO3
CategoryGood
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San Jose, CA

Moderate

StateCalifornia
Dominant PollutantPM2.5
CategoryModerate
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Summary

San Francisco has 20 points better air quality

San Francisco has an AQI of 37 compared to 57

5-Day Forecast Comparison

DaySan FranciscoSan JoseBetter
TodayAQI 27AQI 66San Francisco
Sun, May 3AQI 17AQI 47San Francisco
Mon, May 4AQI 26AQI 63San Francisco
Tue, May 5AQI 21AQI 39San Francisco
Wed, May 6AQI 19AQI 58San Francisco

Compare Other Cities

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