San Francisco

San Francisco County, California

2025-03-11 14:00
AQI (China)
Excellent
NO2
μg/m³
42.1
O3
μg/m³
36.4
PM2.5
μg/m³
5
CO
μg/m³
500
Weather
9℃
68%
3 kph
0 of 11
Historical Data
Places included
Data Sources

Get the App

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

iPhone, iPad

Android