Hourly Weather | Today Monday, June 29, 2026
Hayward, California
10 PM
Night
64°
Feels Like 63°
0
Humidity: 68%
UV Index: 0
Wind: 8 mph
11 PM
Night
61°
Feels Like 57°
0
Humidity: 78%
UV Index: 0
Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

10 PM
35 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.24 µg/m³
  • PM10: 17.51 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.4 ppb
  • SO2: 0.5 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.21 µg/m³
  • PM10: 17.45 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.5 ppb
  • SO2: 0.5 ppb
  • CO: 0.07 ppm

Health Recommendations:

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