Hourly Weather | Today Thursday, June 25, 2026
Fremont, California
12 PM
Cloudy Weather
72°
Feels Like 79°
0
Humidity: 59%
UV Index: 10
Wind: 9 mph
1 PM
Cloudy Weather
73°
Feels Like 79°
0
Humidity: 55%
UV Index: 11
Wind: 10 mph
2 PM
Cloudy Weather
75°
Feels Like 81°
0
Humidity: 51%
UV Index: 10
Wind: 13 mph
3 PM
Cloudy Weather
75°
Feels Like 79°
0
Humidity: 53%
UV Index: 8
Wind: 14 mph
4 PM
Cloudy Weather
73°
Feels Like 75°
0
Humidity: 55%
UV Index: 5
Wind: 14 mph
5 PM
Cloudy Weather
72°
Feels Like 72°
0
Humidity: 57%
UV Index: 3
Wind: 14 mph
6 PM
Cloudy Weather
70°
Feels Like 70°
0
Humidity: 58%
UV Index: 2
Wind: 13 mph
7 PM
Cloudy Weather
66°
Feels Like 64°
0
Humidity: 60%
UV Index: 1
Wind: 12 mph
8 PM
Cloudy Weather
66°
Feels Like 63°
0
Humidity: 61%
UV Index: 0
Wind: 10 mph
9 PM
Cloudy Night
64°
Feels Like 61°
0
Humidity: 67%
UV Index: 0
Wind: 10 mph
10 PM
Cloudy Night
63°
Feels Like 59°
0
Humidity: 70%
UV Index: 0
Wind: 9 mph
11 PM
Cloudy Night
63°
Feels Like 59°
0
Humidity: 70%
UV Index: 0
Wind: 9 mph

Hourly Air Quality Forecast - AQI (US EPA)

12 PM
37 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.98 µg/m³
  • PM10: 22.76 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.

1 PM
38 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.05 µg/m³
  • PM10: 23.22 µg/m³
  • O3: 0.037 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.

2 PM
38 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.03 µg/m³
  • PM10: 23.31 µg/m³
  • O3: 0.038 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.

3 PM
37 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.9 µg/m³
  • PM10: 23.11 µg/m³
  • O3: 0.039 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.

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

Pollutant Concentrations:

  • PM2.5: 8.67 µg/m³
  • PM10: 22.63 µg/m³
  • O3: 0.040 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.

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

Pollutant Concentrations:

  • PM2.5: 8.38 µg/m³
  • PM10: 21.92 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.

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

Pollutant Concentrations:

  • PM2.5: 7.96 µg/m³
  • PM10: 20.82 µg/m³
  • O3: 0.040 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.

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

Pollutant Concentrations:

  • PM2.5: 7.4 µg/m³
  • PM10: 19.68 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.

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

Pollutant Concentrations:

  • PM2.5: 6.74 µg/m³
  • PM10: 18.66 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.4 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: 6.12 µg/m³
  • PM10: 17.83 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.4 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: 5.65 µg/m³
  • PM10: 17.22 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.4 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: 5.24 µg/m³
  • PM10: 16.5 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.07 ppm

Health Recommendations:

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