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

Monitoring Station · Alum Rock, United States
76
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
32 7pm
76
32
34 10pm
34
34
41 1am
41
61
61 4am
61
61
61 7am
61
61
— 10am
—
—
— 1pm
—
—
— 4pm
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Station readings
76
CAMS model adj +7
25
25
25
27
27
27
34
34
54
54
54
54
54
54
54

Air Quality Trend (24h)

PM2.524.0 µg/m³ ×1.6 WHO
Moderate
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Nearby Monitoring Stations

46
San Jose-Knox Avenue, Santa Clara, California
0.0 km PM2.5: 11.0 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.