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Today Hourly 7 days 30 days Air Quality
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Hourly Weather | Today | Tuesday, August 26, 2025
Fremont, California
4 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
79°
Feels Like 79°
0
Humidity: 52%
Wind: 13 mph
UV Index: 39
5 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
75°
Feels Like 75°
0
Humidity: 57%
Wind: 13 mph
UV Index: 25
6 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
73°
Feels Like 72°
0
Humidity: 61%
Wind: 13 mph
UV Index: 15
7 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
70°
Feels Like 66°
0
Humidity: 67%
Wind: 10 mph
UV Index: 5
8 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
70°
Feels Like 66°
0
Humidity: 68%
Wind: 10 mph
UV Index: 0
9 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
66°
Feels Like 63°
0
Humidity: 74%
Wind: 9 mph
UV Index: 0
10 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
66°
Feels Like 63°
0
Humidity: 75%
Wind: 8 mph
UV Index: 0
11 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
64°
Feels Like 63°
0
Humidity: 77%
Wind: 7 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

4 PM
52 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 10.23 µg/m³
  • PM10: 14.58 µg/m³
  • O₃: 42.49 ppb
  • NO₂: 5.10 ppb
  • SO₂: 0.89 ppb
  • CO: 157.63 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

5 PM
52 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 10.45 µg/m³
  • PM10: 14.57 µg/m³
  • O₃: 43.06 ppb
  • NO₂: 4.56 ppb
  • SO₂: 0.87 ppb
  • CO: 149.05 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

6 PM
52 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 10.49 µg/m³
  • PM10: 14.35 µg/m³
  • O₃: 39.41 ppb
  • NO₂: 5.72 ppb
  • SO₂: 0.95 ppb
  • CO: 150.20 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

7 PM
52 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 10.70 µg/m³
  • PM10: 13.29 µg/m³
  • O₃: 37.11 ppb
  • NO₂: 6.04 ppb
  • SO₂: 1.12 ppb
  • CO: 133.41 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

8 PM
53 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.07 µg/m³
  • PM10: 13.56 µg/m³
  • O₃: 31.79 ppb
  • NO₂: 7.88 ppb
  • SO₂: 1.20 ppb
  • CO: 140.92 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

9 PM
53 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.72 µg/m³
  • PM10: 14.22 µg/m³
  • O₃: 26.54 ppb
  • NO₂: 10.08 ppb
  • SO₂: 1.32 ppb
  • CO: 150.86 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

10 PM
53 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 12.42 µg/m³
  • PM10: 14.98 µg/m³
  • O₃: 21.29 ppb
  • NO₂: 12.28 ppb
  • SO₂: 1.44 ppb
  • CO: 160.79 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

11 PM
53 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 13.39 µg/m³
  • PM10: 15.89 µg/m³
  • O₃: 16.05 ppb
  • NO₂: 14.48 ppb
  • SO₂: 1.55 ppb
  • CO: 170.73 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

Current Real-Time Air Quality Report