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

Monitoring Station · Alum Rock, United States
46
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
46 7pm
35
35
37 10pm
37
37
44 1am
44
64
64 4am
64
64
64 7am
64
64
— 10am
—
—
— 1pm
—
—
— 4pm
—
—
CAMS model adj +10
25
25
25
27
27
27
34
34
54
54
54
54
54
54
54

Air Quality Forecast (24h)

PM2.511.0 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

76
San Jose-Knox Avenue, Santa Clara, California
0.0 km PM2.5: 24.0 µg/m³
16
Cristo Rey Jesuit High School
1.8 km PM2.5: 3.8 µg/m³
27
San Jose - Jackson St, Santa Clara, California
4.1 km PM2.5: 6.5 µg/m³
14
Cupertino City Hall
16.0 km PM2.5: 3.3 µg/m³
17
JFK Middle School
18.0 km PM2.5: 4.0 µg/m³
13
Environment Education Center
19.1 km PM2.5: 3.1 µg/m³
14
N Foothhill Blvd
19.4 km PM2.5: 3.3 µg/m³
15
Acterra!
24.7 km PM2.5: 3.6 µg/m³

Nearby Cities

18 Alum Rock 25 San Jose 18 Santa Clara 17 Campbell 18 Milpitas 14 Cupertino 16 Los Gatos 16 Sunnyvale 15 Saratoga

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-28T22:52 UTC.