AddAir quality in San Francisco
Air quality index (AQI⁺) and PM2.5 air pollution in San Francisco • 635 Followers • 19:00, Sep 17 Local time
56*
US AQI⁺Moderate
Main pollutant:
PM2.5
11.9 µg/m³
21°
2 km/h
77 %
Hourly forecast
San Francisco air quality index (AQI⁺) forecast
Daily forecast
San Francisco air quality index (AQI⁺) forecast
| Today | 53 |  | 31° 19° |  10 km/h | 75% |
| Fri | 53 |  | 35° 18° | 11 km/h | 53% |
| Sat | 53 |  | 35° 20° | 10 km/h | 49% |
Air pollutants
What is the current air quality in San Francisco?
PM2.5 concentration is currently 2.4 times the World Health Organization annual PM2.5 guideline value.
Health recommendations
 Sensitive groups should reduce outdoor exercise |
 Close your windows to avoid dirty outdoor air Get a monitor |
 Sensitive groups should wear a mask outdoors Get a mask |
 Sensitive groups should run an air purifier Get an air purifier |
Protect yourself from air pollution in San Francisco
Air Purifiers
Face Masks
Air Quality Monitors
Health recommendations
Sensitive groups should reduce outdoor exercise |
Close your windows to avoid dirty outdoor air Get a monitor |
Sensitive groups should wear a mask outdoors Get a mask |
Sensitive groups should run an air purifier Get an air purifier |
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
Historic air quality near San Francisco
History
Historic air quality graph for San Francisco
Most polluted locations near San Francisco
Worldwide AQI⁺ ranking
