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Primary air pollutant in the Rowland Heights area:
OZONE - 6 Good
Enjoy your outdoor activities.
Primary Pollutant: PM2.5 - 94 Moderate
Secondary Pollutant: PM10 - 39 Good
Secondary Pollutant: OZONE - 28 Good
Secondary Pollutant: CO - 7 Good
Secondary Pollutant: NO2 - 29 Good
Primary Pollutant: PM2.5 - 97 Moderate
Secondary Pollutant: PM10 - 41 Good
Secondary Pollutant: OZONE - 33 Good
Secondary Pollutant: CO - 8 Good
Secondary Pollutant: NO2 - 31 Good