Hourly Weather | Today Thursday, October 30, 2025
Fremont, California
12 PM
Cloudy Weather
64°
Feels Like 68°
0
Humidity: 64%
Wind: 7 mph
UV Index: 3
1 PM
Cloudy Weather
68°
Feels Like 70°
0
Humidity: 61%
Wind: 7 mph
UV Index: 4
2 PM
Cloudy Weather
70°
Feels Like 72°
0
Humidity: 59%
Wind: 8 mph
UV Index: 3
3 PM
Cloudy Weather
70°
Feels Like 70°
0
Humidity: 61%
Wind: 8 mph
UV Index: 3
4 PM
Cloudy Weather
66°
Feels Like 66°
0
Humidity: 65%
Wind: 9 mph
UV Index: 2
5 PM
Cloudy Weather
64°
Feels Like 64°
0
Humidity: 69%
Wind: 9 mph
UV Index: 1
6 PM
Cloudy Weather
63°
Feels Like 61°
0
Humidity: 72%
Wind: 8 mph
UV Index: 0
7 PM
Cloudy Night
61°
Feels Like 59°
0
Humidity: 77%
Wind: 8 mph
UV Index: 0
8 PM
Cloudy Night
59°
Feels Like 57°
0
Humidity: 82%
Wind: 7 mph
UV Index: 0
9 PM
Cloudy Night
55°
Feels Like 54°
0
Humidity: 89%
Wind: 6 mph
UV Index: 0
10 PM
Cloudy Night
54°
Feels Like 52°
0
Humidity: 96%
Wind: 6 mph
UV Index: 0
11 PM
Cloudy Night
54°
Feels Like 52°
0
Humidity: 94%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 8.1 µg/m³
  • PM10: 27.32 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

1 PM
39 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 8.37 µg/m³
  • PM10: 28.44 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.6 µg/m³
  • PM10: 29.11 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.68 µg/m³
  • PM10: 29.25 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.61 µg/m³
  • PM10: 29.1 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.41 µg/m³
  • PM10: 28.66 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.06 µg/m³
  • PM10: 27.64 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.66 µg/m³
  • PM10: 26.62 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.23 µg/m³
  • PM10: 25.84 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.81 µg/m³
  • PM10: 24.89 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.56 µg/m³
  • PM10: 24.2 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.48 µg/m³
  • PM10: 23.75 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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