Air Quality in Mountain View, United States

Windy
21.7°C · 44.3% humidity
21.7°
Feels 21.7°
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
9 stations

Nearby Monitoring Stations

AQI Forecast
25 11am
25
25
15 2pm
20
22
23 5pm
31
32
53 8pm
53
53
54 11pm
54
54
54 2am
54
34
34 5am
34
34
34 8am
27
27
AD 728×90

Air Quality Index Trend

46h · 103 stn

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.

44.3%
Humidity
63.1 km/h
Wind NW
1017.4 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
15
3.57 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Mountain View?

Temperature & Precipitation

PM2.5 Trend

46h · 103 stations
PM2.53.57 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX19.9
Extreme
AD 300×250
Station readings (9 stations within 25 km)
3.57
Median
3.67
Average
2.83
Low
5.3
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +2.4

What is the 7-day forecast for Mountain View?

05-28
22.8° 11.3°
05-29
22.7° 12.7°
05-30
22.0° 15.0°
05-31
28.4° 18.6°
06-01
28.1° 14.0°
06-02
23.5° 13.9°
06-03
28.3° 10.5°
Both models agree Avg diff: 3.4°C

Where are air quality stations near Mountain View?

16
Acterra!
5.4 km PM2.5: 3.8 µg/m³
14
N Foothhill Blvd
7.1 km PM2.5: 3.3 µg/m³
13
Environment Education Center
8.3 km PM2.5: 3.1 µg/m³
18
JFK Middle School
8.9 km PM2.5: 4.2 µg/m³
13
Cupertino City Hall
8.9 km PM2.5: 3.2 µg/m³
12
Berkeley-Palo Alto
9.4 km PM2.5: 2.8 µg/m³
21
Redwood City, San Mateo, California
15.1 km PM2.5: 5.0 µg/m³
35
Redwood City, San Mateo, California
15.1 km PM2.5: 8.4 µg/m³
27
San Jose - Jackson St, Santa Clara, California
17.2 km PM2.5: 6.5 µg/m³
13
Emerald Hills
18.0 km PM2.5: 3.2 µg/m³

What cities are near Mountain View?

15 Los Altos 15 Sunnyvale 12 Palo Alto 14 Cupertino 13 East Palo Alto 16 Menlo Park 15 Santa Clara 15 Saratoga 15 Campbell 15 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 2026-05-28T21:46 UTC.