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Primary air pollutant in the National City area:
PM2.5 - 31 Good
Enjoy your outdoor activities.
Other Pollutants:
OZONE - 29 Good
PM10 - 17 Good
Primary Pollutant: PM2.5 - 56 Moderate
Secondary Pollutant: OZONE - 44 Good
Primary Pollutant: PM2.5 - 55 Moderate
Secondary Pollutant: OZONE - 40 Good
Primary Pollutant: PM2.5 - 53 Moderate
Secondary Pollutant: OZONE - 41 Good
Primary Pollutant: PM2.5 - 50 Good
Secondary Pollutant: OZONE - 40 Good
Primary Pollutant: PM2.5 - 55 Moderate
Secondary Pollutant: OZONE - 42 Good