Home > USA > California > San Diego County > National City
Primary air pollutant in the National City area:
PM2.5 - 57 Moderate
If you are unusually sensitive to particle pollution, consider reducing your activity level or shorten the amount of time you are active outdoors.
Other Pollutants:
OZONE - 34 Good
PM10 - 49 Good
Primary Pollutant: PM2.5 - 62 Moderate
Secondary Pollutant: OZONE - 54 Moderate
Primary Pollutant: PM2.5 - 68 Moderate
Secondary Pollutant: OZONE - 51 Moderate
Primary Pollutant: PM2.5 - 62 Moderate
Secondary Pollutant: OZONE - 47 Good