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Primary air pollutant in the Castaic area:
PM2.5 - 52 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 - 18 Good
Primary Pollutant: OZONE - 39 Good
Secondary Pollutant: PM2.5 - 33 Good
Secondary Pollutant: PM10 - 23 Good
Secondary Pollutant: CO - 3 Good
Secondary Pollutant: NO2 - 18 Good
Primary Pollutant: PM2.5 - 44 Good
Secondary Pollutant: PM10 - 24 Good
Secondary Pollutant: OZONE - 37 Good
Secondary Pollutant: CO - 4 Good
Secondary Pollutant: NO2 - 21 Good