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Primary air pollutant in the Downey area:
PM10 - 50 Good
Enjoy your outdoor activities.
Other Pollutants:
PM2.5 - 24 Good
OZONE - 33 Good
Primary Pollutant: PM2.5 - 103 Unhealthy for Sensitive Groups
Secondary Pollutant: PM10 - 46 Good
Secondary Pollutant: OZONE - 21 Good
Secondary Pollutant: CO - 25 Good
Secondary Pollutant: NO2 - 46 Good
Primary Pollutant: PM2.5 - 156 Unhealthy
Secondary Pollutant: PM10 - 60 Moderate
Secondary Pollutant: OZONE - 15 Good
Secondary Pollutant: CO - 18 Good
Secondary Pollutant: NO2 - 44 Good