Air Quality in Santa Clara, United States

Clear
29.2°C · 24.1% humidity
29.2°
Feels 29.2°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations

Nearby Monitoring Stations

AQI Forecast
27 7am
27
27
25 10am
27
27
27 1pm
27
27
34 4pm
34
34
34 7pm
34
34
34 10pm
34
34
34 1am
34
34
34 4am
34
34
AD 728×90

Air Quality Index Trend

47h · 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.

24.1%
Humidity
24.6 km/h
Wind NW
1008.6 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
25
5.87 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Santa Clara?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.55.87 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX12.9
Extreme
AD 300×250
Station readings (7 stations within 25 km)
5.87
Median
5.63
Average
4.14
Low
7.51
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +1.5

What is the 7-day forecast for Santa Clara?

07-21
29.2° 15.5°
07-22
31.9° 18.2°
07-23
28.5° 22.7°
07-24
35.3° 16.8°
07-25
27.6° 19.5°
07-26
34.8° 14.8°
07-27
31.6° 17.8°
Both models agree Avg diff: 4.9°C

Where are air quality stations near Santa Clara?

35
San Jose - Jackson St, Santa Clara, California
5.4 km PM2.5: 8.4 µg/m³
22
Cupertino City Hall
7.6 km PM2.5: 5.3 µg/m³
28
Cristo Rey Jesuit High School
8.1 km PM2.5: 6.8 µg/m³
57
San Jose-Knox Avenue, Santa Clara, California
9.5 km PM2.5: 15.0 µg/m³
25
San Jose-Knox Avenue, Santa Clara, California
9.5 km PM2.5: 6.0 µg/m³
31
JFK Middle School
9.7 km PM2.5: 7.5 µg/m³
18
Environment Education Center
10.6 km PM2.5: 4.2 µg/m³
24
N Foothhill Blvd
10.6 km PM2.5: 5.7 µg/m³
24
Acterra!
15.7 km PM2.5: 5.8 µg/m³
17
Berkeley-Palo Alto
20.3 km PM2.5: 4.1 µg/m³

What cities are near Santa Clara?

28 San Jose 23 Sunnyvale 24 Campbell 23 Cupertino 25 Milpitas 28 Alum Rock 24 Saratoga 23 Mountain View 23 Los Gatos 23 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 2026-07-21T17:16 UTC.