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
27
4pm
27
34
15
7pm
20
24
27
10pm
29
30
31
1am
32
33
26
4am
26
27
27
7am
27
25
25
10am
25
24
24
1pm
24
24
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
14
N Foothhill Blvd
16
JFK Middle School
13
Environment Education Center
15
Acterra!
30
San Jose - Jackson St, Santa Clara, California
14
Berkeley-Palo Alto
15
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 2026-06-09T02:19 UTC.