Air Quality in Sunnyvale, United States

Clear
29.2°C · 24.1% humidity
29.2°
Feels 29.2°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
8 stations

Nearby Monitoring Stations

AQI Forecast
27 7am
27
27
23 10am
27
27
27 1pm
27
27
34 4pm
34
34
34 7pm
34
34
34 10pm
34
34
34 1am
34
34
34 4am
34
34
AD 728×90

Air Quality Index Trend

47h · 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.

24.1%
Humidity
24.6 km/h
Wind NW
1008.6 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
23
5.61 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Sunnyvale?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.55.61 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX6.9
High
AD 300×250
Station readings (8 stations within 25 km)
5.61
Median
5.55
Average
4.03
Low
7.58
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +1.7
Both models agree Avg diff: 5.0°C

Where are air quality stations near Sunnyvale?

22
Cupertino City Hall
5.6 km PM2.5: 5.3 µg/m³
24
N Foothhill Blvd
5.8 km PM2.5: 5.7 µg/m³
31
JFK Middle School
6.6 km PM2.5: 7.5 µg/m³
18
Environment Education Center
6.6 km PM2.5: 4.2 µg/m³
24
Acterra!
9.2 km PM2.5: 5.8 µg/m³
35
San Jose - Jackson St, Santa Clara, California
12.7 km PM2.5: 8.4 µg/m³
17
Berkeley-Palo Alto
13.6 km PM2.5: 4.1 µg/m³
28
Cristo Rey Jesuit High School
15.4 km PM2.5: 6.8 µg/m³
25
San Jose-Knox Avenue, Santa Clara, California
16.8 km PM2.5: 6.0 µg/m³
57
San Jose-Knox Avenue, Santa Clara, California
16.8 km PM2.5: 15.0 µg/m³

What cities are near Sunnyvale?

23 Mountain View 22 Cupertino 23 Los Altos 24 Santa Clara 24 Saratoga 24 Campbell 18 Palo Alto 27 San Jose 25 Milpitas 18 East Palo Alto
Get AQI alerts for Sunnyvale

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T17:13 UTC.