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Primary air pollutant in the Simi Valley 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 - 51 Moderate
PM10 - 28 Good
Primary Pollutant: OZONE - 59 Moderate
Secondary Pollutant: PM2.5 - 33 Good
Secondary Pollutant: PM10 - 17 Good
Primary Pollutant: OZONE - 75 Moderate
Secondary Pollutant: PM2.5 - 44 Good
Secondary Pollutant: PM10 - 12 Good
Primary Pollutant: OZONE - 48 Good
Secondary Pollutant: PM2.5 - 22 Good
Secondary Pollutant: PM10 - 8 Good
Primary Pollutant: OZONE - 43 Good
Secondary Pollutant: PM2.5 - 17 Good
Secondary Pollutant: PM10 - 7 Good
Primary Pollutant: OZONE - 42 Good
Secondary Pollutant: PM2.5 - 16 Good
Secondary Pollutant: PM10 - 6 Good