AddAir quality in San Francisco
Air quality index (AQI⁺) and PM2.5 air pollution in San Francisco • 17 Followers • 12:00, Oct 21 Local time
42*
US AQI⁺Good
Main pollutant:
PM2.5
7.6 µg/m³
29°
8 km/h
72 %
Hourly forecast
San Francisco air quality index (AQI⁺) forecast
Daily forecast
|
San Francisco air quality index (AQI⁺) forecast
| Today | 40 |  | 30° 23° |  8 km/h | 84% |
| Thu | 31 | | 31° 22° | 9 km/h | 85% |
| Fri | 26 | | 29° 22° | 8 km/h | 82% |
Air pollutants
What is the current air quality in San Francisco?
PM2.5 concentration is currently 1.5 times the World Health Organization annual PM2.5 guideline value.
Health recommendations
 Enjoy outdoor activities |
 Open your windows to bring clean, fresh air indoors Get a monitor |
Protect yourself from air pollution in San Francisco
Protect yourself from air pollution in San Francisco
Air Purifiers
Face Masks
Air Quality Monitors
Health recommendations
Enjoy outdoor activities |
Open your windows to bring clean, fresh air indoors Get a monitor |
Protect yourself from air pollution in San Francisco
Protect yourself from air pollution in San Francisco
Air Purifiers
Face Masks
Air Quality Monitors
Most polluted locations near San Francisco
Worldwide AQI⁺ ranking
Historic air quality near San Francisco
History
Historic air quality graph for San Francisco
42 AQI⁺ US
Good
12:00–13:00 Oct 21 Local time
AQI⁺ US
Historic air quality near San Francisco
History
Historic air quality graph for San Francisco
42 AQI⁺ US
Good
12:00–13:00 Oct 21 Local time
AQI⁺ US
Most polluted locations near San Francisco
Worldwide AQI⁺ ranking
Be the first to measure and contribute air quality data to your community
Learn more about global air quality
Where is the cleanest air quality in San Francisco?
No locations are available.
