Air Quality in Los Altos, United States

Windy
19.8°C · 36.7% humidity
19.8°
Feels 19.8°
16
Good
Air quality is satisfactory. Enjoy outdoor activities.
11 stations

Nearby Monitoring Stations

AQI Forecast
27 2pm
27
27
16 5pm
26
28
30 8pm
31
32
33 11pm
33
33
33 2am
34
27
27 5am
27
27
27 8am
25
25
25 11am
24
24
AD 728×90

Air Quality Index Trend

48h · 1 stn

Los Altos'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
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
16
3.77 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Los Altos?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.53.77 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (11 stations within 25 km)
3.77
Median
4.21
Average
3.11
Low
6.5
High
PM2.5 µg/m³ · Model: 6.15 · Bias: +2.4
Both models agree Avg diff: 4.0°C

Where are air quality stations near Los Altos?

15
Acterra!
5.3 km PM2.5: 3.7 µg/m³
15
N Foothhill Blvd
8.0 km PM2.5: 3.7 µg/m³
14
Berkeley-Palo Alto
8.2 km PM2.5: 3.4 µg/m³
13
Environment Education Center
9.2 km PM2.5: 3.1 µg/m³
18
JFK Middle School
10.0 km PM2.5: 4.4 µg/m³
15
Cupertino City Hall
10.6 km PM2.5: 3.5 µg/m³
28
Redwood City, San Mateo, California
13.4 km PM2.5: 6.7 µg/m³
25
Redwood City, San Mateo, California
13.4 km PM2.5: 6.0 µg/m³
15
Emerald Hills
15.6 km PM2.5: 3.7 µg/m³
30
San Jose - Jackson St, Santa Clara, California
19.8 km PM2.5: 7.2 µg/m³

What cities are near Los Altos?

16 Mountain View 15 Palo Alto 16 Sunnyvale 15 East Palo Alto 15 Menlo Park 15 Cupertino 20 Santa Clara 17 Redwood City 16 Saratoga 19 Campbell
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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 2026-06-09T00:50 UTC.