Hourly Weather | Today | Wednesday, August 13, 2025
Norwalk, California
4 AM
Cloudy NightCloudy night, overcast skies at night with no rain.
66°
Feels Like 64°
0
Humidity: 86%
Wind: 4 mph
UV Index: 0
5 AM
Cloudy NightCloudy night, overcast skies at night with no rain.
66°
Feels Like 64°
0
Humidity: 88%
Wind: 4 mph
UV Index: 0
6 AM
Cloudy NightCloudy night, overcast skies at night with no rain.
64°
Feels Like 64°
0
Humidity: 89%
Wind: 4 mph
UV Index: 0
7 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
66°
Feels Like 66°
0
Humidity: 85%
Wind: 4 mph
UV Index: 0
8 AM
Cloudy WeatherCloudy weather, overcast skies with no rain.
70°
Feels Like 70°
0
Humidity: 78%
Wind: 4 mph
UV Index: 0
9 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
72°
Feels Like 72°
0
Humidity: 73%
Wind: 4 mph
UV Index: 1
10 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
73°
Feels Like 75°
0
Humidity: 67%
Wind: 5 mph
UV Index: 2
11 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
77°
Feels Like 81°
0
Humidity: 63%
Wind: 6 mph
UV Index: 3
12 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
79°
Feels Like 82°
0
Humidity: 58%
Wind: 7 mph
UV Index: 4
1 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
81°
Feels Like 84°
0
Humidity: 54%
Wind: 7 mph
UV Index: 4
2 PM
Sunny WeatherSunny weather, clear skies and sunny weather.
82°
Feels Like 90°
0
Humidity: 52%
Wind: 8 mph
UV Index: 9
3 PM
Sunny WeatherSunny weather, clear skies and sunny weather.
84°
Feels Like 90°
0
Humidity: 50%
Wind: 8 mph
UV Index: 7
4 PM
Sunny WeatherSunny weather, clear skies and sunny weather.
82°
Feels Like 86°
0
Humidity: 52%
Wind: 8 mph
UV Index: 4
5 PM
Sunny WeatherSunny weather, clear skies and sunny weather.
82°
Feels Like 82°
0
Humidity: 53%
Wind: 8 mph
UV Index: 3
6 PM
Sunny WeatherSunny weather, clear skies and sunny weather.
81°
Feels Like 81°
0
Humidity: 55%
Wind: 8 mph
UV Index: 2
7 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
79°
Feels Like 77°
0
Humidity: 60%
Wind: 7 mph
UV Index: 1
8 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
75°
Feels Like 73°
0
Humidity: 67%
Wind: 6 mph
UV Index: 0
9 PM
NightNighttime, with dark skies and stars or a moon visible.
72°
Feels Like 72°
0
Humidity: 74%
Wind: 6 mph
UV Index: 0
10 PM
NightNighttime, with dark skies and stars or a moon visible.
70°
Feels Like 68°
0
Humidity: 80%
Wind: 6 mph
UV Index: 0
11 PM
NightNighttime, with dark skies and stars or a moon visible.
70°
Feels Like 68°
0
Humidity: 81%
Wind: 5 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

4 AM
66 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 27.63 µg/m³
  • PM10: 29.97 µg/m³
  • O₃: 19.65 ppb
  • NO₂: 22.47 ppb
  • SO₂: 3.97 ppb
  • CO: 202.76 ppb

Health Recommendations:

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

5 AM
67 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 27.23 µg/m³
  • PM10: 29.89 µg/m³
  • O₃: 18.58 ppb
  • NO₂: 22.32 ppb
  • SO₂: 3.78 ppb
  • CO: 195.14 ppb

Health Recommendations:

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

6 AM
68 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 27.30 µg/m³
  • PM10: 30.20 µg/m³
  • O₃: 20.91 ppb
  • NO₂: 20.82 ppb
  • SO₂: 3.97 ppb
  • CO: 200.63 ppb

Health Recommendations:

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

7 AM
69 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 28.42 µg/m³
  • PM10: 31.41 µg/m³
  • O₃: 23.25 ppb
  • NO₂: 19.32 ppb
  • SO₂: 4.16 ppb
  • CO: 206.11 ppb

Health Recommendations:

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

8 AM
70 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 27.39 µg/m³
  • PM10: 30.38 µg/m³
  • O₃: 25.59 ppb
  • NO₂: 17.82 ppb
  • SO₂: 4.35 ppb
  • CO: 211.59 ppb

Health Recommendations:

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

9 AM
71 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 27.07 µg/m³
  • PM10: 30.34 µg/m³
  • O₃: 32.06 ppb
  • NO₂: 16.67 ppb
  • SO₂: 4.88 ppb
  • CO: 207.40 ppb

Health Recommendations:

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

10 AM
72 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 27.65 µg/m³
  • PM10: 31.09 µg/m³
  • O₃: 38.54 ppb
  • NO₂: 15.53 ppb
  • SO₂: 5.42 ppb
  • CO: 203.21 ppb

Health Recommendations:

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

11 AM
73 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 28.14 µg/m³
  • PM10: 31.52 µg/m³
  • O₃: 45.02 ppb
  • NO₂: 14.38 ppb
  • SO₂: 5.95 ppb
  • CO: 199.02 ppb

Health Recommendations:

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

12 PM
75 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 28.88 µg/m³
  • PM10: 32.07 µg/m³
  • O₃: 50.83 ppb
  • NO₂: 13.54 ppb
  • SO₂: 6.12 ppb
  • CO: 195.37 ppb

Health Recommendations:

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

1 PM
76 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 29.93 µg/m³
  • PM10: 32.88 µg/m³
  • O₃: 56.64 ppb
  • NO₂: 12.70 ppb
  • SO₂: 6.29 ppb
  • CO: 191.71 ppb

Health Recommendations:

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

2 PM
77 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 31.33 µg/m³
  • PM10: 34.03 µg/m³
  • O₃: 62.45 ppb
  • NO₂: 11.86 ppb
  • SO₂: 6.46 ppb
  • CO: 188.05 ppb

Health Recommendations:

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

3 PM
79 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 33.05 µg/m³
  • PM10: 35.70 µg/m³
  • O₃: 66.22 ppb
  • NO₂: 11.42 ppb
  • SO₂: 6.55 ppb
  • CO: 196.21 ppb

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 34.59 µg/m³
  • PM10: 37.07 µg/m³
  • O₃: 69.99 ppb
  • NO₂: 10.98 ppb
  • SO₂: 6.64 ppb
  • CO: 204.36 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
82 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 35.40 µg/m³
  • PM10: 37.76 µg/m³
  • O₃: 73.76 ppb
  • NO₂: 10.54 ppb
  • SO₂: 6.73 ppb
  • CO: 212.52 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
84 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 34.97 µg/m³
  • PM10: 36.98 µg/m³
  • O₃: 65.24 ppb
  • NO₂: 13.14 ppb
  • SO₂: 6.63 ppb
  • CO: 219.36 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
86 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 33.72 µg/m³
  • PM10: 35.42 µg/m³
  • O₃: 56.72 ppb
  • NO₂: 15.74 ppb
  • SO₂: 6.53 ppb
  • CO: 226.21 ppb

Health Recommendations:

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