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Primary air pollutant in the Altadena area:
OZONE - 18 Good
Enjoy your outdoor activities.
Primary Pollutant: OZONE - 36 Good
Secondary Pollutant: PM2.5 - 33 Good
Secondary Pollutant: PM10 - 11 Good
Secondary Pollutant: CO - 3 Good
Secondary Pollutant: NO2 - 14 Good
Primary Pollutant: OZONE - 36 Good
Secondary Pollutant: PM2.5 - 11 Good
Secondary Pollutant: PM10 - 8 Good
Secondary Pollutant: CO - 4 Good
Secondary Pollutant: NO2 - 17 Good