Home > USA > California > Alameda County > Castro Valley
Primary air pollutant in the Castro Valley area:
PM2.5 - 36 Good
Enjoy your outdoor activities.
Other Pollutants:
OZONE - 21 Good
PM10 - 17 Good
Primary Pollutant: OZONE - 40 Good
Primary Pollutant: OZONE - 45 Good
Primary Pollutant: OZONE - 0 Good
Primary Pollutant: OZONE - 0 Good
Primary Pollutant: OZONE - 0 Good
Primary Pollutant: PM2.5 - 0 Good