Toggle navigation
Places
AQI (UK)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
English
Français
Deutsch
日本語
한국어
简体中文
繁體中文
North America
United States
California
San Mateo County
San Mateo
AQI (UK)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
San Mateo
San Mateo County, California
2024-12-23 04:00
AQI (UK)
Low
Pollutants
|
Pollens
PM2.5
μg/m³
10
NO2
μg/m³
39.4
O3
μg/m³
4.3
SO2
μg/m³
1.1
Pollen
2.7
Weather
℃
℃
℉
14℃
94%
6 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (UK)
AQI (UK)
Pollen
PM2.5
NO2
O3
SO2
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
Scan QR Code to Download App
iOS
Google Play
Download APK
Cities Nearby
San Mateo
AQI 1
Burlingame
AQI 1
Highlands-Baywood Park
AQI 1
Foster City
AQI 1
Hillsborough
AQI 1
Belmont
AQI 1
Millbrae
AQI 1
San Carlos
AQI 1
San Bruno
AQI 1
Redwood City
AQI 2
Emerald Hills
AQI 1
Air Matters © 2024