Air Quality in Palo Alto, United States

Cloudy
12.7°C · 78.9% humidity
12.7°
Feels 12.7°
11
Good
Air quality is satisfactory. Enjoy outdoor activities.
9 stations

Nearby Monitoring Stations

AQI Forecast
34 4am
34
27
11 7am
16
19
21 10am
23
24
25 1pm
25
26
26 4pm
26
27
27 7pm
27
27
27 10pm
27
27
27 1am
27
27
AD 728×90

Air Quality Index Trend

48h · 1 stn

Palo Alto's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

78.9%
Humidity
4.5 km/h
Wind WSW
1016.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
11
2.73 µg/m³
PM10▲
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Palo Alto?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.52.73 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (9 stations within 25 km)
2.73
Median
3.44
Average
1.9
Low
6.0
High
PM2.5 µg/m³ · Model: 6.5 · Bias: +3.8

What is the 7-day forecast for Palo Alto?

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°
06-04
28.6° 11.7°
Both models agree Avg diff: 3.5°C

Where are air quality stations near Palo Alto?

10
Berkeley-Palo Alto
1.4 km PM2.5: 2.5 µg/m³
16
Acterra!
3.7 km PM2.5: 3.9 µg/m³
15
Redwood City, San Mateo, California
7.0 km PM2.5: 3.6 µg/m³
59
Redwood City, San Mateo, California
7.0 km PM2.5: 15.9 µg/m³
13
Emerald Hills
11.1 km PM2.5: 3.1 µg/m³
13
N Foothhill Blvd
14.7 km PM2.5: 3.1 µg/m³
12
Environment Education Center
15.9 km PM2.5: 2.9 µg/m³
18
JFK Middle School
16.7 km PM2.5: 4.2 µg/m³
13
Cupertino City Hall
17.0 km PM2.5: 3.2 µg/m³
25
San Jose - Jackson St, Santa Clara, California
24.3 km PM2.5: 6.0 µg/m³

What cities are near Palo Alto?

11 East Palo Alto 10 Menlo Park 15 Los Altos 15 Mountain View 11 Redwood City 15 Sunnyvale 14 San Carlos 17 Belmont 14 Cupertino 22 Foster City
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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 2026-05-29T14:29 UTC.