1. North America
  2. United States
  3. California
  4. San Mateo County
  5. Portola Valley

Portola Valley

San Mateo County, California

2025-01-08 22:00
AQI (UK)
Insufficient Data
Pollutants|Pollens
O3
μg/m³
77.1
NO2
μg/m³
5.8
Weather
  • ℃
  • ℉
17℃
30%
9 kph
2 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (UK)
  • Pollen
  • O3
  • NO2
Data Sources
http://www.airnow.gov/

Get the App

Scan QR Code
Air Matters
Realtime broadcasting air quality information on your phone for more than 180 countries.

iPhone, iPad

Android

Cities Nearby

Portola Valley
AQI 3
Woodside
AQI 3
West Menlo Park
AQI 3
Stanford
AQI 3
La Honda
AQI 3
Los Altos Hills
AQI 3
Menlo Park
AQI 3
Atherton
AQI 3
Emerald Hills
AQI 3
Palo Alto
AQI 3
North Fair Oaks
AQI 3