Air Quality in Los Altos, United States

Cloudy
15.0°C · 74.8% humidity
15.0°
Feels 15.0°
13
Good
Air quality is satisfactory. Enjoy outdoor activities.
11 stations

Nearby Monitoring Stations

AQI Forecast
27 7pm
27
27
13 10pm
17
20
22 1am
23
24
25 4am
26
26
33 7am
34
34
34 10am
34
34
34 1pm
54
54
54 4pm
54
34
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.

74.8%
Humidity
22.7 km/h
Wind W
1012.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
13
3.18 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
PM2.53.18 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (11 stations within 25 km)
3.18
Median
3.51
Average
2.08
Low
5.0
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +3.1

What is the 7-day forecast for Los Altos?

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°
06-04
28.6° 11.7°
06-05
26.2° 13.2°
Both models agree Avg diff: 3.7°C

Where are air quality stations near Los Altos?

13
Acterra!
5.3 km PM2.5: 3.1 µg/m³
13
N Foothhill Blvd
8.0 km PM2.5: 3.2 µg/m³
9
Berkeley-Palo Alto
8.2 km PM2.5: 2.1 µg/m³
13
Environment Education Center
9.2 km PM2.5: 3.2 µg/m³
17
JFK Middle School
10.0 km PM2.5: 4.0 µg/m³
13
Cupertino City Hall
10.6 km PM2.5: 3.2 µg/m³
31
Redwood City, San Mateo, California
13.4 km PM2.5: 7.4 µg/m³
20
Redwood City, San Mateo, California
13.4 km PM2.5: 4.8 µg/m³
12
Emerald Hills
15.6 km PM2.5: 2.9 µg/m³
50
San Jose - Jackson St, Santa Clara, California
19.8 km PM2.5: 12.0 µg/m³

What cities are near Los Altos?

13 Mountain View 10 Palo Alto 14 Sunnyvale 10 East Palo Alto 12 Menlo Park 14 Cupertino 16 Santa Clara 15 Redwood City 15 Saratoga 16 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 2026-05-30T05:22 UTC.