Home > USA > California > San Mateo County > South San Francisco
Primary air pollutant in the South San Francisco area:
OZONE - 28 Good
Enjoy your outdoor activities.
Other Pollutants:
PM2.5 - 18 Good
Primary Pollutant: PM2.5 - 44 Good
Primary Pollutant: PM2.5 - 58 Moderate
Primary Pollutant: PM2.5 - 0 Moderate
Primary Pollutant: PM2.5 - 0 Moderate
Primary Pollutant: PM2.5 - 0 Moderate
Primary Pollutant: PM2.5 - 0 Moderate