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

Monitoring Station · Alum Rock, United States
49
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
49 9pm
43
43
43 12am
50
50
50 3am
50
50
50 6am
50
50
50 9am
50
43
— 12pm
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—
— 3pm
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— 6pm
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CAMS model adj +16
27
27
27
27
34
34
34
34
34
34
34
34
34
34
27

Air Quality Forecast (24h)

PM2.511.8 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

40
San Jose-Knox Avenue, Santa Clara, California
0.0 km PM2.5: 9.6 µg/m³
17
Cristo Rey Jesuit High School
1.8 km PM2.5: 4.0 µg/m³
30
San Jose - Jackson St, Santa Clara, California
4.1 km PM2.5: 7.2 µg/m³
15
Cupertino City Hall
16.0 km PM2.5: 3.5 µg/m³
18
JFK Middle School
18.0 km PM2.5: 4.4 µg/m³
13
Environment Education Center
19.1 km PM2.5: 3.1 µg/m³
15
N Foothhill Blvd
19.4 km PM2.5: 3.7 µg/m³
15
Acterra!
24.7 km PM2.5: 3.7 µg/m³

Nearby Cities

22 Alum Rock 26 San Jose 20 Santa Clara 19 Campbell 20 Milpitas 15 Cupertino 17 Los Gatos 16 Sunnyvale 16 Saratoga

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T00:51 UTC.