What is the air quality in Sunnyvale today?

The current Air Quality Index (AQI) in Sunnyvale is 15 (Good). PM2.5 concentration is 3.63 µg/m³.

What is the temperature in Sunnyvale right now?

The current temperature in Sunnyvale is 19.8°C (feels like 19.8°C). Humidity is 36.7% and wind speed is 68.8 km/h.

Is it safe to go outside in Sunnyvale?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Sunnyvale, United States

Windy

19.8°C · 36.7% humidity

19.8°

Feels 19.8°

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 stn

View full history →

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

3.63 µg/m³

PM10▲

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

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?

Cupertino City Hall

5.6 km PM2.5: 3.4 µg/m³

N Foothhill Blvd

5.8 km PM2.5: 3.5 µg/m³

JFK Middle School

6.6 km PM2.5: 4.1 µg/m³

Environment Education Center

6.6 km PM2.5: 3.1 µg/m³

Acterra!

9.2 km PM2.5: 3.6 µg/m³

San Jose - Jackson St, Santa Clara, California

12.7 km PM2.5: 7.0 µg/m³

Berkeley-Palo Alto

13.6 km PM2.5: 3.3 µg/m³

Cristo Rey Jesuit High School

15.4 km PM2.5: 3.8 µg/m³

San Jose-Knox Avenue, Santa Clara, California

16.8 km PM2.5: 9.6 µg/m³

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 2026-06-09T02:13 UTC.