Home > USA > California > Alameda County > Castro Valley
Primary air pollutant in the Castro Valley area:
PM2.5 - 37 Good
Enjoy your outdoor activities.
Other Pollutants:
OZONE - 31 Good
Primary Pollutant: PM2.5 - 50 Good
Primary Pollutant: PM2.5 - 53 Moderate
Primary Pollutant: PM2.5 - 0 Good
Primary Pollutant: PM2.5 - 0 Good
Primary Pollutant: PM2.5 - 0 Good
Primary Pollutant: PM2.5 - 0 Good