Air Quality in Santa Clara, United States

Partly Cloudy
13.4°C · 60.4% humidity
13.4°
Feels 13.4°
19
Good
Air quality is satisfactory. Enjoy outdoor activities.
9 stations

Nearby Monitoring Stations

AQI Forecast
27 5pm
34
34
19 8pm
23
26
28 11pm
30
31
32 2am
33
26
26 5am
26
27
27 8am
25
25
25 11am
24
24
24 2pm
24
24
AD 728×90

Air Quality Index Trend

48h · 1 stn

Santa Clara's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

60.4%
Humidity
19.7 km/h
Wind WSW
1017.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
19
4.48 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Santa Clara?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.54.48 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (9 stations within 25 km)
4.48
Median
4.12
Average
3.1
Low
7.2
High
PM2.5 µg/m³ · Model: 7.0 · Bias: +2.5
Both models agree Avg diff: 4.2°C

Where are air quality stations near Santa Clara?

30
San Jose - Jackson St, Santa Clara, California
5.4 km PM2.5: 7.2 µg/m³
14
Cupertino City Hall
7.6 km PM2.5: 3.3 µg/m³
15
Cristo Rey Jesuit High School
8.1 km PM2.5: 3.7 µg/m³
40
San Jose-Knox Avenue, Santa Clara, California
9.5 km PM2.5: 9.6 µg/m³
49
San Jose-Knox Avenue, Santa Clara, California
9.5 km PM2.5: 11.8 µg/m³
16
JFK Middle School
9.7 km PM2.5: 3.9 µg/m³
13
Environment Education Center
10.6 km PM2.5: 3.1 µg/m³
14
N Foothhill Blvd
10.6 km PM2.5: 3.3 µg/m³
15
Acterra!
15.7 km PM2.5: 3.7 µg/m³
14
Berkeley-Palo Alto
20.3 km PM2.5: 3.3 µg/m³

What cities are near Santa Clara?

23 San Jose 15 Sunnyvale 18 Campbell 14 Cupertino 19 Milpitas 22 Alum Rock 15 Saratoga 15 Mountain View 16 Los Gatos 15 Los Altos
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T03:03 UTC.