San Francisco, California
Humidity: 90%
Wind: 6 mph
UV Index: 0
Hourly Air Quality Forecast - AQI (US EPA)
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
3.8 µg/m³
- PM10:
12.24 µg/m³
- O3:
0.040 ppm
- NO2:
0.4 ppb
- SO2:
0.3 ppb
- CO:
0.08 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.