San Francisco vs Modesto

Air Quality Comparison

San Francisco, CA

Good

44
Good
StateCalifornia
Dominant PollutantO3
CategoryGood

Modesto, CA

Moderate

61
Moderate
StateCalifornia
Dominant PollutantPM2.5
CategoryModerate

Summary

San Francisco has 17 points better air quality

San Francisco has an AQI of 44 compared to 61

5-Day Forecast Comparison

DaySan FranciscoModestoBetter
TodayAQI 60AQI 63San Francisco
Wed, Feb 25AQI 34AQI 78San Francisco
Thu, Feb 26AQI 40AQI 45San Francisco
Fri, Feb 27AQI 30AQI 54San Francisco
Sat, Feb 28AQI 41AQI 68San Francisco