Home > USA > California > San Diego County > Alpine
Primary air pollutant in the Alpine area:
OZONE - 36 Good
Enjoy your outdoor activities.
Primary Pollutant: OZONE - 41 Good
Secondary Pollutant: PM2.5 - 17 Good
Primary Pollutant: OZONE - 51 Moderate
Secondary Pollutant: PM2.5 - 22 Good