What is the air quality in Mountain View today?

The current Air Quality Index (AQI) in Mountain View is 18 (Good). PM2.5 concentration is 4.33 µg/m³.

What is the temperature in Mountain View right now?

The current temperature in Mountain View is 22.6°C (feels like 22.6°C). Humidity is 31.3% and wind speed is 17.8 km/h.

Is it safe to go outside in Mountain View?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Mountain View, United States

Clear

22.6°C · 31.3% humidity

22.6°

Feels 22.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

11 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 103 stn

View full history →

Mountain View's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

31.3%

Humidity

17.8 km/h

Wind WNW

1018.6 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.33 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Mountain View?

Temperature & Precipitation

PM2.5 Trend

45h · 103 stations

PM2.54.33 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (11 stations within 25 km)

4.33

Median

5.22

Average

3.02

Low

9.1

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +1.5

What is the 7-day forecast for Mountain View?

10-20

25.6° 15.7°

10-21

24.9° 16.0°

10-22

26.4° 16.5°

10-23

23.0° 17.1°

10-24

23.1° 15.2°

10-25

23.9° 14.3°

1.13 mm

10-26

22.5° 15.3°

Both models agree Avg diff: 5.4°C

Where are air quality stations near Mountain View?

Acterra!

5.4 km PM2.5: 4.3 µg/m³

N Foothhill Blvd

7.1 km PM2.5: 3.8 µg/m³

Environment Education Center

8.3 km PM2.5: 3.1 µg/m³

JFK Middle School

8.9 km PM2.5: 4.9 µg/m³

Cupertino City Hall

8.9 km PM2.5: 3.5 µg/m³

Berkeley-Palo Alto

9.4 km PM2.5: 3.6 µg/m³

Redwood City, San Mateo, California

15.1 km PM2.5: 5.8 µg/m³

San Jose - Jackson St, Santa Clara, California

17.2 km PM2.5: 3.4 µg/m³

Emerald Hills

18.0 km PM2.5: 3.7 µg/m³

Cristo Rey Jesuit High School

19.9 km PM2.5: 6.5 µg/m³

What cities are near Mountain View?

18 Los Altos 18 Sunnyvale 16 Palo Alto 15 Cupertino 16 East Palo Alto 18 Menlo Park 26 Santa Clara 18 Saratoga 24 Campbell 28 Milpitas

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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 2026-10-20T20:05 UTC.