San Jose-Knox Avenue, Santa Clara, California Air Quality

Monitoring Station · Alum Rock, United States
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
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GoodModerateUSGUnhealthyVery UnhealthyHazardous
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Air Quality Forecast (24h)

PM2.55.0 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

23
Cristo Rey Jesuit High School
1.8 km PM2.5: 5.5 µg/m³
25
San Jose - Jackson St, Santa Clara, California
4.1 km PM2.5: 6.0 µg/m³
10
San Jose - Jackson St, Santa Clara, California
4.1 km PM2.5: 2.4 µg/m³
16
Cupertino City Hall
16.0 km PM2.5: 3.9 µg/m³
22
JFK Middle School
18.0 km PM2.5: 5.2 µg/m³
15
Environment Education Center
19.1 km PM2.5: 3.7 µg/m³
17
N Foothhill Blvd
19.4 km PM2.5: 4.1 µg/m³
18
Acterra!
24.7 km PM2.5: 4.4 µg/m³

Nearby Cities

20 Alum Rock 18 San Jose 18 Santa Clara 18 Campbell 18 Milpitas 17 Cupertino 19 Los Gatos 18 Sunnyvale 18 Saratoga

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-10-21T03:08 UTC.