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Primary air pollutant in the Signal Hill area:
OZONE - 30 Good
Enjoy your outdoor activities.
Other Pollutants:
PM2.5 - 16 Good
PM10 - 6 Good
Primary Pollutant: OZONE - 39 Good
Secondary Pollutant: PM2.5 - 28 Good
Secondary Pollutant: PM10 - 26 Good
Secondary Pollutant: CO - 2 Good
Secondary Pollutant: NO2 - 17 Good
Primary Pollutant: OZONE - 40 Good
Secondary Pollutant: PM2.5 - 28 Good
Secondary Pollutant: PM10 - 24 Good
Secondary Pollutant: CO - 3 Good
Secondary Pollutant: NO2 - 20 Good