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Primary air pollutant in the Cupertino area:
PM2.5 - 49 Good
Enjoy your outdoor activities.
Other Pollutants:
OZONE - 27 Good
PM10 - 12 Good
Primary Pollutant: PM2.5 - 55 Moderate
Primary Pollutant: PM2.5 - 58 Moderate
Primary Pollutant: PM2.5 - 0 Moderate
Primary Pollutant: PM2.5 - 0 Moderate