Hourly Weather | Today Tuesday, June 30, 2026
Santa Clara, California
2 PM
Cloudy Weather
81°
Feels Like 88°
0
Humidity: 40%
UV Index: 10
Wind: 10 mph
3 PM
Sunny Weather
82°
Feels Like 86°
0
Humidity: 39%
UV Index: 8
Wind: 10 mph
4 PM
Sunny Weather
81°
Feels Like 82°
0
Humidity: 41%
UV Index: 5
Wind: 12 mph
5 PM
Cloudy Weather
77°
Feels Like 79°
0
Humidity: 45%
UV Index: 3
Wind: 12 mph
6 PM
Cloudy Weather
75°
Feels Like 73°
0
Humidity: 49%
UV Index: 2
Wind: 10 mph
7 PM
Cloudy Weather
72°
Feels Like 70°
0
Humidity: 55%
UV Index: 1
Wind: 10 mph
8 PM
Cloudy Weather
68°
Feels Like 66°
0
Humidity: 61%
UV Index: 0
Wind: 9 mph
9 PM
Cloudy Night
66°
Feels Like 63°
0
Humidity: 66%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Night
63°
Feels Like 61°
0
Humidity: 72%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
63°
Feels Like 61°
0
Humidity: 74%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

2 PM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.36 µg/m³
  • PM10: 21.27 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

3 PM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.33 µg/m³
  • PM10: 21.23 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

4 PM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.28 µg/m³
  • PM10: 21.21 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.18 µg/m³
  • PM10: 21.15 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6 µg/m³
  • PM10: 20.9 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.78 µg/m³
  • PM10: 20.49 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.56 µg/m³
  • PM10: 19.99 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.4 µg/m³
  • PM10: 19.52 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.31 µg/m³
  • PM10: 19.31 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.29 µg/m³
  • PM10: 19.38 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.07 ppm

Health Recommendations:

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