Hourly Weather | Today Wednesday, September 17, 2025
Huntington Beach, California
5 AM
Night
68°
Feels Like 68°
0
Humidity: 86%
Wind: 4 mph
UV Index: 0
6 AM
Cloudy Night
68°
Feels Like 68°
0
Humidity: 88%
Wind: 4 mph
UV Index: 0
7 AM
Cloudy Weather
70°
Feels Like 70°
0
Humidity: 87%
Wind: 4 mph
UV Index: 1
8 AM
Cloudy Weather
70°
Feels Like 70°
6
Humidity: 88%
Wind: 5 mph
UV Index: 4
9 AM
Cloudy Weather
70°
Feels Like 72°
6
Humidity: 85%
Wind: 5 mph
UV Index: 9
10 AM
Cloudy Weather
72°
Feels Like 73°
6
Humidity: 80%
Wind: 6 mph
UV Index: 17
11 AM
Cloudy Weather
73°
Feels Like 77°
6
Humidity: 75%
Wind: 7 mph
UV Index: 28
12 PM
Cloudy Weather
73°
Feels Like 79°
6
Humidity: 73%
Wind: 8 mph
UV Index: 38
1 PM
Cloudy Weather
75°
Feels Like 79°
6
Humidity: 70%
Wind: 9 mph
UV Index: 43
2 PM
Cloudy Weather
73°
Feels Like 75°
6
Humidity: 73%
Wind: 9 mph
UV Index: 37
3 PM
Cloudy Weather
73°
Feels Like 75°
6
Humidity: 71%
Wind: 9 mph
UV Index: 25
4 PM
Cloudy Weather
73°
Feels Like 73°
6
Humidity: 70%
Wind: 8 mph
UV Index: 16
5 PM
Cloudy Weather
73°
Feels Like 72°
6
Humidity: 70%
Wind: 8 mph
UV Index: 9
6 PM
Cloudy Weather
72°
Feels Like 72°
6
Humidity: 71%
Wind: 8 mph
UV Index: 4
7 PM
Cloudy Weather
72°
Feels Like 70°
6
Humidity: 76%
Wind: 8 mph
UV Index: 0
8 PM
Cloudy Weather
72°
Feels Like 70°
7
Humidity: 79%
Wind: 8 mph
UV Index: 0
9 PM
Cloudy Weather
70°
Feels Like 70°
7
Humidity: 81%
Wind: 7 mph
UV Index: 0
10 PM
Cloudy Weather
70°
Feels Like 70°
7
Humidity: 83%
Wind: 6 mph
UV Index: 0
11 PM
Cloudy Weather
70°
Feels Like 70°
7
Humidity: 84%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 12.63 µg/m³
  • PM10: 16.64 µg/m³
  • O₃: 20.21 ppb
  • NO₂: 16.91 ppb
  • SO₂: 2.19 ppb
  • CO: 197.39 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
70 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 13.68 µg/m³
  • PM10: 15.16 µg/m³
  • O₃: 16.43 ppb
  • NO₂: 17.11 ppb
  • SO₂: 2.56 ppb
  • CO: 189.01 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
68 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 14.62 µg/m³
  • PM10: 16.04 µg/m³
  • O₃: 16.26 ppb
  • NO₂: 17.77 ppb
  • SO₂: 2.57 ppb
  • CO: 212.86 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
67 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 17.15 µg/m³
  • PM10: 18.53 µg/m³
  • O₃: 16.08 ppb
  • NO₂: 18.44 ppb
  • SO₂: 2.60 ppb
  • CO: 236.71 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
65 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 14.91 µg/m³
  • PM10: 16.40 µg/m³
  • O₃: 19.21 ppb
  • NO₂: 17.72 ppb
  • SO₂: 2.75 ppb
  • CO: 215.61 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
63 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 14.75 µg/m³
  • PM10: 16.50 µg/m³
  • O₃: 22.34 ppb
  • NO₂: 17.01 ppb
  • SO₂: 2.91 ppb
  • CO: 194.52 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
61 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 14.63 µg/m³
  • PM10: 16.44 µg/m³
  • O₃: 25.47 ppb
  • NO₂: 16.30 ppb
  • SO₂: 3.07 ppb
  • CO: 173.42 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
60 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 14.33 µg/m³
  • PM10: 16.18 µg/m³
  • O₃: 26.82 ppb
  • NO₂: 14.93 ppb
  • SO₂: 3.02 ppb
  • CO: 165.54 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
59 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 13.80 µg/m³
  • PM10: 15.70 µg/m³
  • O₃: 28.17 ppb
  • NO₂: 13.57 ppb
  • SO₂: 2.96 ppb
  • CO: 157.65 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
58 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 13.44 µg/m³
  • PM10: 15.30 µg/m³
  • O₃: 29.52 ppb
  • NO₂: 12.20 ppb
  • SO₂: 2.90 ppb
  • CO: 149.77 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
57 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 13.10 µg/m³
  • PM10: 15.00 µg/m³
  • O₃: 30.77 ppb
  • NO₂: 11.29 ppb
  • SO₂: 2.72 ppb
  • CO: 145.35 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
57 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 12.14 µg/m³
  • PM10: 14.12 µg/m³
  • O₃: 32.02 ppb
  • NO₂: 10.38 ppb
  • SO₂: 2.54 ppb
  • CO: 140.94 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
57 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.42 µg/m³
  • PM10: 13.54 µg/m³
  • O₃: 33.27 ppb
  • NO₂: 9.46 ppb
  • SO₂: 2.36 ppb
  • CO: 136.52 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
57 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.36 µg/m³
  • PM10: 13.60 µg/m³
  • O₃: 32.49 ppb
  • NO₂: 9.91 ppb
  • SO₂: 2.30 ppb
  • CO: 138.34 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
57 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.59 µg/m³
  • PM10: 13.96 µg/m³
  • O₃: 31.72 ppb
  • NO₂: 10.36 ppb
  • SO₂: 2.24 ppb
  • CO: 140.16 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
58 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.79 µg/m³
  • PM10: 14.24 µg/m³
  • O₃: 30.94 ppb
  • NO₂: 10.81 ppb
  • SO₂: 2.18 ppb
  • CO: 141.98 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
57 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.77 µg/m³
  • PM10: 14.26 µg/m³
  • O₃: 32.03 ppb
  • NO₂: 10.82 ppb
  • SO₂: 2.17 ppb
  • CO: 140.56 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
58 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.48 µg/m³
  • PM10: 13.93 µg/m³
  • O₃: 33.11 ppb
  • NO₂: 10.83 ppb
  • SO₂: 2.17 ppb
  • CO: 139.13 ppb

Health Recommendations:

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