San Jose-Knox Avenue, Santa Clara, California

Monitoring Station · Alum Rock, United States
9
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
9 7pm
12
12
25 10pm
25
12
25 1am
25
25
25 4am
25
37
50 7am
50
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— 10am
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— 1pm
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— 4pm
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Air Quality Trend (24h)

Nearby Monitoring Stations

5
San Jose-Knox Avenue, Santa Clara, California
0.0 km
33
Cristo Rey Jesuit High School
1.8 km PM2.5: 7.9 µg/m³
34
San Jose - Jackson St, Santa Clara, California
4.1 km
28
San Jose - Jackson St, Santa Clara, California
4.1 km
65
San Jose - Jackson St, Santa Clara, California
4.1 km
42
San Jose - Jackson St, Santa Clara, California
4.1 km
24
Andrew Hill High School
5.5 km PM2.5: 5.8 µg/m³
25
Cupertino City Hall
16.0 km PM2.5: 5.9 µg/m³

Nearby Cities

28 Alum Rock 26 San Jose 25 Santa Clara 25 Campbell 25 Milpitas 25 Cupertino 23 Los Gatos 25 Sunnyvale 23 Saratoga

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-09T22:13 UTC.