Air Quality in Los Altos, United States

Rain
18.1°C · 67.2% humidity
18.1°
Feels 18.1°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
8 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
18 7pm
17
10
23 10pm
23
10
23 1am
23
23
23 4am
23
35
48 7am
48
73
73 10am
73
48
23 1pm
35
23
23 4pm
23
23
Station readings
18
17
CAMS model adj -2
12
12
12
25
25
12
25
25
25
25
25
37
50
50
75
75
75
50
25
37
25
25
25
25
AD 728×90

PM2.5 Trend (24h)

25h · 103 stations
67.2%
Humidity
34.9 km/h
Wind W
1009.5 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Los Altos?

Temperature & Precipitation

PM2.55.92 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (8 stations within 25 km)
5.92
Median
6.16
Average
4.19
Low
8.94
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -0.0

What is the 7-day forecast for Los Altos?

04-09
21.8° 15.0°
0.94 mm
04-10
18.7° 12.1°
2.94 mm
04-11
19.3° 11.5°
0.06 mm
04-12
13.2° 9.0°
6.75 mm
04-13
14.8° 7.6°
0.25 mm
04-14
17.7° 8.3°
04-15
20.5° 11.0°
Both models agree Avg diff: 2.0°C

Where are air quality stations near Los Altos?

23
Acterra!
5.3 km PM2.5: 5.4 µg/m³
28
N Foothhill Blvd
8.0 km PM2.5: 6.6 µg/m³
17
Berkeley-Palo Alto
8.2 km PM2.5: 4.1 µg/m³
23
Environment Education Center
9.2 km PM2.5: 5.4 µg/m³
31
JFK Middle School
10.0 km PM2.5: 7.5 µg/m³
25
Cupertino City Hall
10.6 km PM2.5: 5.9 µg/m³
17
Redwood City, San Mateo, California
13.4 km
18
Redwood City, San Mateo, California
13.4 km
17
Emerald Hills
15.6 km PM2.5: 4.0 µg/m³
34
San Jose - Jackson St, Santa Clara, California
19.8 km

What cities are near Los Altos?

25 Mountain View 25 Palo Alto 25 Sunnyvale 25 East Palo Alto 25 Menlo Park 25 Cupertino 25 Santa Clara 14 Redwood City 23 Saratoga 25 Campbell

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T22:12 UTC.