Hourly Weather | Today › Saturday, October 24, 2026
Sunnyvale, California
6 PM
Sunny Weather
68°
Feels Like 66°
0
Humidity: 43%
UV Index: 0
Wind: 6 mph
7 PM
Night
64°
Feels Like 64°
0
Humidity: 50%
UV Index: 0
Wind: 5 mph
8 PM
Night
63°
Feels Like 64°
0
Humidity: 56%
UV Index: 0
Wind: 4 mph
9 PM
Night
61°
Feels Like 61°
0
Humidity: 62%
UV Index: 0
Wind: 4 mph
10 PM
Night
57°
Feels Like 57°
0
Humidity: 68%
UV Index: 0
Wind: 5 mph
11 PM
Night
57°
Feels Like 57°
0
Humidity: 69%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

6 PM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.87 µg/m³
  • PM10: 17.25 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

7 PM
43 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.67 µg/m³
  • PM10: 17.2 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

8 PM
43 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.52 µg/m³
  • PM10: 17.06 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

9 PM
43 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.39 µg/m³
  • PM10: 16.77 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.36 µg/m³
  • PM10: 16.78 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.34 µg/m³
  • PM10: 16.81 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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