1. North America
  2. United States
  3. California
  4. San Francisco County

San Francisco County

California

2026-04-19 18:00
AQHI (Canada)
Low
Pollutants|Pollens
O3
μg/m³
57.9
PM2.5
μg/m³
6
NO2
μg/m³
1.2
Weather
  • ℃
  • ℉
18℃
57%
19 kph
6 of 11
Historical Data
  • Hourly
  • Daily
  • AQHI (Canada)
  • Pollen
  • O3
  • PM2.5
  • NO2
Places included
San Francisco
AQI 2
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

San Francisco
AQI 2
Brisbane
AQI --
Daly City
AQI --
Broadmoor
AQI --
Sausalito
AQI --
Tiburon
AQI --
Belvedere
AQI --
Colma
AQI --
Alameda
AQI --
South San Francisco
AQI --
Oakland
AQI 3