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Primary air pollutant in the San Marino area:
OZONE - 36 Good
Enjoy your outdoor activities.
Primary Pollutant: OZONE - 93 Moderate
Secondary Pollutant: PM2.5 - 50 Good
Secondary Pollutant: PM10 - 34 Good
Secondary Pollutant: CO - 5 Good
Secondary Pollutant: NO2 - 20 Good
Primary Pollutant: OZONE - 64 Moderate
Secondary Pollutant: PM2.5 - 55 Moderate
Secondary Pollutant: PM10 - 34 Good
Secondary Pollutant: CO - 5 Good
Secondary Pollutant: NO2 - 26 Good