Toggle navigation
Places
CAQI (Europe)
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 Francisco County
San Francisco
CAQI (Europe)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
San Francisco
San Francisco, California
2026-04-29 21:00
CAQI (Europe)
Very Low
Pollutants
|
Pollens
O3
μg/m³
51.4
PM2.5
μg/m³
12
CO
μg/m³
500
NO2
μg/m³
4.3
Pollen
7.1
Weather
℃
℃
℉
18℃
65%
32 kph
6 of 11
Historical Data
Hourly
Hourly
Daily
CAQI (Europe)
CAQI (Europe)
Pollen
O3
PM2.5
CO
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
Scan QR Code to Download App
iOS
Google Play
Download APK
Cities Nearby
San Francisco
AQI 22
Brisbane
AQI 20
Alameda
AQI 17
Daly City
AQI 20
Broadmoor
AQI 20
Colma
AQI 20
Oakland
AQI 36
South San Francisco
AQI 20
Emeryville
AQI 22
Sausalito
AQI 20
Tiburon
AQI 10
Air Matters © 2026