Hourly Weather | Today Sunday, September 13, 2026
Fremont, California
11 PM
Cloudy Night
63°
Feels Like 63°
0
Humidity: 75%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

11 PM
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.22 µg/m³
  • PM10: 13.98 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.