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Primary air pollutant in the Rowland Heights area:
OZONE - 33 Good
Enjoy your outdoor activities.
Primary Pollutant: OZONE - 90 Moderate
Secondary Pollutant: PM2.5 - 56 Moderate
Secondary Pollutant: PM10 - 44 Good
Secondary Pollutant: CO - 4 Good
Secondary Pollutant: NO2 - 19 Good
Primary Pollutant: OZONE - 61 Moderate
Secondary Pollutant: PM2.5 - 56 Moderate
Secondary Pollutant: PM10 - 37 Good
Secondary Pollutant: CO - 4 Good
Secondary Pollutant: NO2 - 22 Good