Home > USA > California > San Mateo County > Colma
Primary air pollutant in the Colma area:
PM2.5 - 40 Good
Enjoy your outdoor activities.
Other Pollutants:
OZONE - 23 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