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  2. United States
  3. California
  4. Santa Clara County
  5. San Jose

San Jose

Santa Clara County, California

2026-05-27 01:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
68.6
PM2.5
μg/m³
4.5
NO2
μg/m³
9.1
CO
μg/m³
437.5
Weather
  • ℃
  • ℉
16℃
58%
33 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • NO2
  • CO
Places included
San Jose - Jackson St.
AQI 30
San Jose - Knox Ave
AQI 23
Site 49528
AQI 25
Site 50781
AQI 18
Data Sources
http://www.airnow.gov/

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