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Primary air pollutant in the Rowland Heights area:
OZONE - 38 Good
Enjoy your outdoor activities.
Other Pollutants:
PM2.5 - 25 Good
PM10 - 36 Good
Primary Pollutant: PM2.5 - 70 Moderate
Secondary Pollutant: PM10 - 54 Moderate
Secondary Pollutant: OZONE - 25 Good
Secondary Pollutant: CO - 9 Good
Secondary Pollutant: NO2 - 39 Good
Primary Pollutant: PM2.5 - 105 Unhealthy for Sensitive Groups
Secondary Pollutant: PM10 - 41 Good
Secondary Pollutant: OZONE - 19 Good
Secondary Pollutant: CO - 6 Good
Secondary Pollutant: NO2 - 30 Good