San Francisco vs Seattle

Air Quality Comparison

San Francisco, CA

Moderate

StateCalifornia
Dominant PollutantPM2.5
CategoryModerate
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Seattle, WA

Good

StateWashington
Dominant PollutantO3
CategoryGood
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Summary

Seattle has 23 points better air quality

Seattle has an AQI of 36 compared to 59

5-Day Forecast Comparison

DaySan FranciscoSeattleBetter
TodayAQI 46AQI 52San Francisco
Wed, Jun 24AQI 65AQI 44Seattle
Thu, Jun 25AQI 45AQI 40Seattle
Fri, Jun 26AQI 56AQI 34Seattle
Sat, Jun 27AQI 65AQI 33Seattle

Compare Other Cities

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