San Jose, CA Air Quality

This month's pollution levels in San Jose, CA

fresh air

  • Sat, October 21, 2017

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  • outdoor sports

    go for it

  • cycling

    go for it

  • bring baby out

    go for it

  • eating outside

    go for it

no risk

The air is pure, ideal for outdoor activities!

below average

  • 15
  • 28
  • plume air quality index
  • annual average
  • 99 days
    per year
    at this level

main pollutants

    • 15
    • 22
  • ozone
    • 13
    • 15
  • nitrogen dioxide
    • 13
    • 18
  • particulate matter