Air Quality in Mountain View, United States

Clear
24.9°C · 36.1% humidity
24.9°
Feels 24.9°
64
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast

Nearby Monitoring Stations

AQI Forecast
34 1pm
34
34
64 4pm
75
69
65 7pm
62
60
58 10pm
57
56
55 1am
55
55
55 4am
54
54
54 7am
54
54
34 10am
34
34
AD 728×90

Air Quality Index Trend

46h · 100 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. Current PM2.5 concentration in Mountain View is 1.2× the WHO 24-hour guideline of 15 µg/m³.

36.1%
Humidity
20.6 km/h
Wind WNW
1010.9 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
64
18.1 µg/m³
PM10
56
66.15 µg/m³
050100150200300500

What is the weather forecast for Mountain View?

Temperature & Precipitation

PM2.5 Trend

46h · 100 stations
PM2.518.1 µg/m³ ×1.2 WHO
Moderate
PM1066.15 µg/m³
Moderate
UV INDEX17.4
Extreme
AD 300×250

What is the 7-day forecast for Mountain View?

08-03
28.5° 15.9°
08-04
28.0° 18.9°
08-05
28.2° 15.2°
08-06
29.4° 16.2°
08-07
25.6° 19.1°
08-08
28.2° 15.9°
08-09
29.5° 16.1°
Both models agree Avg diff: 1.9°C

Where are air quality stations near Mountain View?

35
Acterra!
5.4 km PM2.5: 8.4 µg/m³
39
N Foothhill Blvd
7.1 km PM2.5: 9.3 µg/m³
35
Environment Education Center
8.3 km PM2.5: 8.5 µg/m³
53
JFK Middle School
8.9 km PM2.5: 13.1 µg/m³
37
Cupertino City Hall
8.9 km PM2.5: 8.9 µg/m³
26
Berkeley-Palo Alto
9.4 km PM2.5: 6.3 µg/m³
18
Redwood City, San Mateo, California
15.1 km PM2.5: 4.3 µg/m³
59
San Jose - Jackson St, Santa Clara, California
17.2 km PM2.5: 15.9 µg/m³
55
San Jose - Jackson St, Santa Clara, California
17.2 km PM2.5: 14.0 µg/m³
33
Emerald Hills
18.0 km PM2.5: 7.9 µg/m³

What cities are near Mountain View?

63 Los Altos 64 Sunnyvale 68 Palo Alto 64 Cupertino 68 East Palo Alto 68 Menlo Park 64 Santa Clara 63 Saratoga 63 Campbell 69 Milpitas
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-07T23:56 UTC.