What is the air quality in Palo Alto today?

The current Air Quality Index (AQI) in Palo Alto is 25 (Good). PM2.5 concentration is 5.9 µg/m³.

What is the temperature in Palo Alto right now?

The current temperature in Palo Alto is 18.1°C (feels like 18.1°C). Humidity is 67.2% and wind speed is 34.9 km/h.

Is it safe to go outside in Palo Alto?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0 (Moderate).

Air Quality in Palo Alto, United States

Rain

18.1°C · 67.2% humidity

18.1°

Feels 18.1°

Good

Air quality is satisfactory. Enjoy outdoor activities.

7 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

17 7pm

18 10pm

18 1am

18 4am

43 7am

68 10am

30 1pm

18 4pm

Station readings

CAMS model adj -7

PM2.5 Trend (24h)

25h · 108 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 Palo Alto?

Temperature & Precipitation

PM2.55.9 µg/m³ ✓ WHO

Good

PM1020.55 µg/m³

Good

UV INDEX2.9

Moderate

Station readings (7 stations within 25 km)

5.9

Median

5.77

Average

4.19

Low

7.77

High

PM2.5 µg/m³ · Model: 7.4 · Bias: +1.5

What is the 7-day forecast for Palo Alto?

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: 2.3°C

Where are air quality stations near Palo Alto?

Berkeley-Palo Alto

1.4 km PM2.5: 4.1 µg/m³

Acterra!

3.7 km PM2.5: 5.4 µg/m³

Redwood City, San Mateo, California

7.0 km

Redwood City, San Mateo, California

7.0 km

Emerald Hills

11.1 km PM2.5: 4.0 µg/m³

N Foothhill Blvd

14.7 km PM2.5: 6.6 µg/m³

Environment Education Center

15.9 km PM2.5: 5.4 µg/m³

JFK Middle School

16.7 km PM2.5: 7.5 µg/m³

Cupertino City Hall

17.0 km PM2.5: 5.9 µg/m³

San Jose - Jackson St, Santa Clara, California

24.3 km

What cities are near Palo Alto?

25 East Palo Alto 25 Menlo Park 25 Los Altos 25 Mountain View 14 Redwood City 25 Sunnyvale 12 San Carlos 12 Belmont 25 Cupertino 16 Foster City

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T22:25 UTC.