Air Quality in Santa Clara, United States
Cloudy
12.7°C · 78.9% humidity
12.7°
Feels 12.7°
19
Good
Air quality is satisfactory. Enjoy outdoor activities.
9 stations
Nearby Monitoring Stations
AQI Forecast
34
4am
34
34
19
7am
23
19
21
10am
23
24
25
1pm
26
26
26
4pm
26
27
27
7pm
27
27
27
10pm
27
27
27
1am
27
27
Air Quality Index Trend
48h · 1 stnSanta 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.
78.9%
Humidity
4.5 km/h
Wind WSW
1016.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.61 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Santa Clara?
Temperature & Precipitation
PM2.5 Trend
48h · 1 stationPM2.54.61 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
Station readings (9 stations within 25 km)
4.61
Median
4.04
Average
2.55
Low
6.0
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +2.7
What is the 7-day forecast for Santa Clara?
05-29
22.7° 12.7°
05-30
22.0° 15.0°
05-31
28.4° 18.6°
06-01
28.1° 14.0°
06-02
23.5° 13.9°
06-03
28.3° 10.5°
06-04
28.6° 11.7°
Both models agree
Avg diff: 3.5°C
Where are air quality stations near Santa Clara?
25
San Jose - Jackson St, Santa Clara, California
13
Cupertino City Hall
23
Cristo Rey Jesuit High School
25
San Jose-Knox Avenue, Santa Clara, California
57
San Jose-Knox Avenue, Santa Clara, California
18
JFK Middle School
12
Environment Education Center
13
N Foothhill Blvd
16
Acterra!
10
Berkeley-Palo Alto
What cities are near Santa Clara?
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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 2026-05-29T14:28 UTC.