Air Quality in Santa Clara, United States

Partly Cloudy
27.1°C · 51.8% humidity
27.1°
Feels 29.2°
24
Good
Air quality is satisfactory. Enjoy outdoor activities.
8 stations

Nearby Monitoring Stations

AQI Forecast
34 5am
34
54
24 8am
27
22
23 11am
24
25
26 2pm
26
26
27 5pm
27
27
27 8pm
27
34
34 11pm
34
34
34 2am
34
34
AD 728×90

Air Quality Index Trend

45h · 95 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.

51.8%
Humidity
27.7 km/h
Wind WNW
1016.2 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
24
5.85 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Santa Clara?

Temperature & Precipitation

PM2.5 Trend

45h · 95 stations
PM2.55.85 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (8 stations within 25 km)
5.85
Median
4.92
Average
2.98
Low
8.2
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +1.5

What is the 7-day forecast for Santa Clara?

09-05
31.5° 17.2°
09-06
31.6° 18.6°
09-07
34.4° 15.7°
09-08
32.8° 16.2°
09-09
30.5° 18.5°
09-10
28.9° 16.2°
09-11
27.4° 19.0°
Both models agree Avg diff: 3.9°C

Where are air quality stations near Santa Clara?

34
San Jose - Jackson St, Santa Clara, California
5.4 km PM2.5: 8.2 µg/m³
17
Cupertino City Hall
7.6 km PM2.5: 4.0 µg/m³
24
Cristo Rey Jesuit High School
8.1 km PM2.5: 5.8 µg/m³
23
JFK Middle School
9.7 km PM2.5: 5.6 µg/m³
15
Environment Education Center
10.6 km PM2.5: 3.5 µg/m³
18
N Foothhill Blvd
10.6 km PM2.5: 4.2 µg/m³
26
Andrew Hill High School
13.1 km PM2.5: 6.3 µg/m³
22
Acterra!
15.7 km PM2.5: 5.2 µg/m³
12
Berkeley-Palo Alto
20.3 km PM2.5: 3.0 µg/m³
50
Redwood City, San Mateo, California
26.2 km PM2.5: 12.0 µg/m³

What cities are near Santa Clara?

33 San Jose 20 Sunnyvale 22 Campbell 17 Cupertino 25 Milpitas 26 Alum Rock 19 Saratoga 20 Mountain View 20 Los Gatos 20 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 2026-09-05T15:11 UTC.