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Primary air pollutant in the San Marino area:
OZONE - 25 Good
Enjoy your outdoor activities.
Primary Pollutant: OZONE - 64 Moderate
Secondary Pollutant: PM2.5 - 62 Moderate
Secondary Pollutant: PM10 - 25 Good
Secondary Pollutant: CO - 3 Good
Secondary Pollutant: NO2 - 13 Good
Primary Pollutant: OZONE - 90 Moderate
Secondary Pollutant: PM2.5 - 60 Moderate
Secondary Pollutant: PM10 - 33 Good
Secondary Pollutant: CO - 3 Good
Secondary Pollutant: NO2 - 12 Good