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Primary air pollutant in the San Marino area:
OZONE - 42 Good
Enjoy your outdoor activities.
Other Pollutants:
PM2.5 - 40 Good
PM10 - 21 Good
Primary Pollutant: OZONE - 67 Moderate
Secondary Pollutant: PM2.5 - 44 Good
Secondary Pollutant: NO2 - 25 Good
Secondary Pollutant: PM10 - 41 Good
Secondary Pollutant: CO - 6 Good
Primary Pollutant: PM2.5 - 50 Good
Secondary Pollutant: CO - 4 Good
Secondary Pollutant: OZONE - 45 Good
Secondary Pollutant: NO2 - 25 Good
Secondary Pollutant: PM10 - 31 Good