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
AD 728×90

Air Quality Index Trend

48h · 1 stn

Sunnyvale'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
15
3.63 µg/m³
PM10▲
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Sunnyvale?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.53.63 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
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
5.6 km PM2.5: 3.3 µg/m³
14
N Foothhill Blvd
5.8 km PM2.5: 3.3 µg/m³
16
JFK Middle School
6.6 km PM2.5: 3.9 µg/m³
13
Environment Education Center
6.6 km PM2.5: 3.1 µg/m³
15
Acterra!
9.2 km PM2.5: 3.7 µg/m³
30
San Jose - Jackson St, Santa Clara, California
12.7 km PM2.5: 7.2 µg/m³
14
Berkeley-Palo Alto
13.6 km PM2.5: 3.3 µg/m³
15
Cristo Rey Jesuit High School
15.4 km PM2.5: 3.7 µg/m³
40
San Jose-Knox Avenue, Santa Clara, California
16.8 km PM2.5: 9.6 µg/m³
49
San Jose-Knox Avenue, Santa Clara, California
16.8 km PM2.5: 11.8 µg/m³

What cities are near Sunnyvale?

15 Mountain View 14 Cupertino 15 Los Altos 19 Santa Clara 15 Saratoga 18 Campbell 14 Palo Alto 23 San Jose 19 Milpitas 14 East Palo Alto
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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.