Hourly Weather | Today Saturday, September 20, 2025
Irvine, California
4 AM
Cloudy Night
66°
Feels Like 66°
0
Humidity: 89%
Wind: 4 mph
UV Index: 0
5 AM
Cloudy Night
66°
Feels Like 66°
0
Humidity: 91%
Wind: 4 mph
UV Index: 0
6 AM
Cloudy Night
64°
Feels Like 66°
0
Humidity: 97%
Wind: 4 mph
UV Index: 0
7 AM
Cloudy Weather
66°
Feels Like 66°
0
Humidity: 91%
Wind: 4 mph
UV Index: 0
8 AM
Cloudy Weather
68°
Feels Like 70°
0
Humidity: 87%
Wind: 4 mph
UV Index: 10
9 AM
Cloudy Weather
72°
Feels Like 75°
0
Humidity: 79%
Wind: 5 mph
UV Index: 20
10 AM
Cloudy Weather
75°
Feels Like 81°
0
Humidity: 72%
Wind: 5 mph
UV Index: 33
11 AM
Cloudy Weather
79°
Feels Like 84°
0
Humidity: 65%
Wind: 6 mph
UV Index: 45
12 PM
Cloudy Weather
81°
Feels Like 88°
0
Humidity: 60%
Wind: 7 mph
UV Index: 59
1 PM
Cloudy Weather
82°
Feels Like 90°
0
Humidity: 56%
Wind: 8 mph
UV Index: 66
2 PM
Cloudy Weather
84°
Feels Like 90°
0
Humidity: 52%
Wind: 8 mph
UV Index: 59
3 PM
Sunny Weather
82°
Feels Like 88°
0
Humidity: 54%
Wind: 9 mph
UV Index: 45
4 PM
Sunny Weather
82°
Feels Like 84°
0
Humidity: 56%
Wind: 8 mph
UV Index: 33
5 PM
Cloudy Weather
81°
Feels Like 81°
0
Humidity: 59%
Wind: 8 mph
UV Index: 20
6 PM
Cloudy Weather
79°
Feels Like 79°
0
Humidity: 63%
Wind: 7 mph
UV Index: 10
7 PM
Cloudy Night
75°
Feels Like 73°
0
Humidity: 70%
Wind: 6 mph
UV Index: 0
8 PM
Cloudy Night
72°
Feels Like 72°
0
Humidity: 77%
Wind: 5 mph
UV Index: 0
9 PM
Cloudy Night
70°
Feels Like 70°
0
Humidity: 81%
Wind: 5 mph
UV Index: 0
10 PM
Cloudy Night
70°
Feels Like 68°
0
Humidity: 85%
Wind: 5 mph
UV Index: 0
11 PM
Cloudy Night
68°
Feels Like 68°
0
Humidity: 87%
Wind: 5 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 21.62 µg/m³
  • PM10: 23.99 µg/m³
  • O₃: 8.38 ppb
  • NO₂: 23.52 ppb
  • SO₂: 2.39 ppb
  • CO: 202.68 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
57 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 21.75 µg/m³
  • PM10: 23.82 µg/m³
  • O₃: 7.73 ppb
  • NO₂: 23.79 ppb
  • SO₂: 2.28 ppb
  • CO: 201.06 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
58 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 22.90 µg/m³
  • PM10: 24.37 µg/m³
  • O₃: 8.40 ppb
  • NO₂: 23.47 ppb
  • SO₂: 2.45 ppb
  • CO: 214.59 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
59 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 24.80 µg/m³
  • PM10: 25.92 µg/m³
  • O₃: 9.08 ppb
  • NO₂: 23.15 ppb
  • SO₂: 2.63 ppb
  • CO: 228.12 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
61 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 26.59 µg/m³
  • PM10: 27.96 µg/m³
  • O₃: 9.76 ppb
  • NO₂: 22.82 ppb
  • SO₂: 2.80 ppb
  • CO: 241.65 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
62 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 26.05 µg/m³
  • PM10: 27.39 µg/m³
  • O₃: 17.19 ppb
  • NO₂: 20.42 ppb
  • SO₂: 3.47 ppb
  • CO: 227.41 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
64 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 25.14 µg/m³
  • PM10: 26.40 µg/m³
  • O₃: 24.63 ppb
  • NO₂: 18.01 ppb
  • SO₂: 4.14 ppb
  • CO: 213.17 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
65 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 22.58 µg/m³
  • PM10: 23.63 µg/m³
  • O₃: 32.06 ppb
  • NO₂: 15.61 ppb
  • SO₂: 4.81 ppb
  • CO: 198.92 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
66 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 22.48 µg/m³
  • PM10: 23.47 µg/m³
  • O₃: 37.58 ppb
  • NO₂: 14.43 ppb
  • SO₂: 4.70 ppb
  • CO: 191.88 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
67 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 21.90 µg/m³
  • PM10: 22.88 µg/m³
  • O₃: 43.09 ppb
  • NO₂: 13.26 ppb
  • SO₂: 4.59 ppb
  • CO: 184.83 ppb

Health Recommendations:

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