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Primary air pollutant in the National City area:
OZONE - 39 Good
Enjoy your outdoor activities.
Other Pollutants:
PM2.5 - 31 Good
PM10 - 16 Good
Primary Pollutant: PM2.5 - 60 Moderate
Secondary Pollutant: OZONE - 38 Good
Primary Pollutant: PM2.5 - 62 Moderate
Secondary Pollutant: OZONE - 35 Good
Primary Pollutant: PM2.5 - 60 Moderate
Secondary Pollutant: OZONE - 36 Good