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Primary air pollutant in the South Pasadena area:
PM2.5 - 53 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 - 17 Good
PM10 - 26 Good
Primary Pollutant: OZONE - 50 Good
Secondary Pollutant: PM2.5 - 44 Good
Secondary Pollutant: CO - 8 Good
Secondary Pollutant: NO2 - 37 Good
Secondary Pollutant: PM10 - 24 Good