Hourly Weather | Today Tuesday, August 4, 2026
San Jose, California
11 PM
Cloudy Night
64°
Feels Like 64°
0
Humidity: 82%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

11 PM
54 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.93 µg/m³
  • PM10: 32.6 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.