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Primary air pollutant in the Simi Valley area:
PM2.5 - 54 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 - 44 Good
Primary Pollutant: OZONE - 46 Good
Secondary Pollutant: PM2.5 - 28 Good
Secondary Pollutant: PM10 - 26 Good
Primary Pollutant: OZONE - 75 Moderate
Secondary Pollutant: PM2.5 - 52 Moderate
Secondary Pollutant: PM10 - 22 Good
Primary Pollutant: OZONE - 97 Moderate
Secondary Pollutant: PM2.5 - 54 Moderate
Secondary Pollutant: PM10 - 25 Good
Primary Pollutant: OZONE - 72 Moderate
Secondary Pollutant: PM2.5 - 39 Good
Secondary Pollutant: PM10 - 24 Good
Primary Pollutant: OZONE - 44 Good
Secondary Pollutant: PM2.5 - 33 Good
Secondary Pollutant: PM10 - 20 Good
Primary Pollutant: OZONE - 45 Good
Secondary Pollutant: PM2.5 - 34 Good
Secondary Pollutant: PM10 - 21 Good