Home > USA > California > San Mateo County > Pacifica
Primary air pollutant in the Pacifica area:
PM2.5 - 53 Moderate
If you are unusually sensitive to particle pollution, consider reducing your activity level or shorten the amount of time you are active outdoors.
Other Pollutants:
OZONE - 24 Good
Primary Pollutant: PM2.5 - 44 Good
Primary Pollutant: PM2.5 - 39 Good
Primary Pollutant: PM2.5 - 33 Good
Primary Pollutant: PM2.5 - 0 Good
Primary Pollutant: OZONE - 0 Good