Home > USA > California > San Francisco County > San Francisco
Primary air pollutant in the San Francisco area:
PM2.5 - 47 Good
Enjoy your outdoor activities.
Other Pollutants:
OZONE - 19 Good
Primary Pollutant: PM2.5 - 53 Moderate
Primary Pollutant: PM2.5 - 55 Moderate
Primary Pollutant: PM2.5 - 0 Good
Primary Pollutant: PM2.5 - 0 Good