Air Quality History for San Francisco, United States
Historical PM2.5 and AQI trend from monitoring stations near San Francisco, United States.
4
Current AQI
Good Station
Good Station
Air Quality Index Station
45hPM2.5 Station
45h · 1 stationTemperature GFS model
8ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | PM10 avg | Hours | Stations |
|---|---|---|---|---|---|---|
| 2026-08-08 | 24 | 16–31 | 5.6 µg/m³ | 6.5 | 2h | 1 |
| 2026-08-07 | 19 | 4–41 | 4.5 µg/m³ | 5.5 | 22h | 1 |
| 2026-08-06 | 19 | 13–25 | 4.6 µg/m³ | 5.2 | 21h | 1 |