Air Quality in Sunnyvale, United States
Windy
19.8°C · 36.7% humidity
19.8°
Feels 19.8°
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
11 stations
Nearby Monitoring Stations
AQI Forecast
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Air Quality Index Trend
48h · 1 stnSunnyvale's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
36.7%
Humidity
68.8 km/h
Wind WNW
1017.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
3.63 µg/m³
PM10▲
20.55 µg/m³
050100150200300500
What is the weather forecast for Sunnyvale?
Temperature & Precipitation
PM2.5 Trend
48h · 1 stationPM2.53.63 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
Station readings (11 stations within 25 km)
3.63
Median
4.02
Average
3.1
Low
7.2
High
PM2.5 µg/m³ · Model: 7.0 · Bias: +3.4
What is the 7-day forecast for Sunnyvale?
06-09
21.9° 13.0°
06-10
28.4° 15.5°
06-11
31.2° 18.3°
06-12
27.4° 15.0°
06-13
24.2° 12.3°
06-14
26.9° 15.8°
06-15
25.0° 14.0°
Both models agree
Avg diff: 4.1°C
Where are air quality stations near Sunnyvale?
14
Cupertino City Hall
15
N Foothhill Blvd
17
JFK Middle School
13
Environment Education Center
15
Acterra!
29
San Jose - Jackson St, Santa Clara, California
14
Berkeley-Palo Alto
16
Cristo Rey Jesuit High School
40
San Jose-Knox Avenue, Santa Clara, California
49
San Jose-Knox Avenue, Santa Clara, California
What cities are near Sunnyvale?
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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 2026-06-09T02:13 UTC.