Hourly Weather | Today Thursday, December 11, 2025
Irvine, California
11 AM
Sunny Weather
72°
Feels Like 73°
0
Humidity: 44%
Wind: 5 mph
UV Index: 3
12 PM
Sunny Weather
75°
Feels Like 77°
0
Humidity: 40%
Wind: 6 mph
UV Index: 3
1 PM
Sunny Weather
77°
Feels Like 79°
0
Humidity: 37%
Wind: 6 mph
UV Index: 3
2 PM
Sunny Weather
75°
Feels Like 79°
0
Humidity: 39%
Wind: 6 mph
UV Index: 2
3 PM
Sunny Weather
73°
Feels Like 75°
0
Humidity: 43%
Wind: 6 mph
UV Index: 2
4 PM
Cloudy Weather
72°
Feels Like 70°
0
Humidity: 51%
Wind: 5 mph
UV Index: 1
5 PM
Cloudy Night
68°
Feels Like 66°
0
Humidity: 60%
Wind: 5 mph
UV Index: 0
6 PM
Night
64°
Feels Like 64°
0
Humidity: 69%
Wind: 4 mph
UV Index: 0
7 PM
Cloudy Night
61°
Feels Like 61°
0
Humidity: 77%
Wind: 4 mph
UV Index: 0
8 PM
Cloudy Night
57°
Feels Like 59°
0
Humidity: 80%
Wind: 4 mph
UV Index: 0
9 PM
Cloudy Night
55°
Feels Like 55°
0
Humidity: 89%
Wind: 4 mph
UV Index: 0
10 PM
Cloudy Night
54°
Feels Like 54°
0
Humidity: 94%
Wind: 4 mph
UV Index: 0
11 PM
Cloudy Night
54°
Feels Like 55°
0
Humidity: 88%
Wind: 4 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

11 AM
70 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 21.2 µg/m³
  • PM10: 26.47 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.17 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

12 PM
71 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 21.84 µg/m³
  • PM10: 27.2 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

1 PM
72 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 22.51 µg/m³
  • PM10: 27.99 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

2 PM
73 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 22.77 µg/m³
  • PM10: 28.47 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

3 PM
72 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 22.26 µg/m³
  • PM10: 28.1 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

4 PM
70 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 21.32 µg/m³
  • PM10: 27.3 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

5 PM
68 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 20.6 µg/m³
  • PM10: 26.7 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

6 PM
68 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 20.31 µg/m³
  • PM10: 26.45 µg/m³
  • O3: 0.041 ppm
  • NO2: 1 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

7 PM
68 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 20.28 µg/m³
  • PM10: 26.4 µg/m³
  • O3: 0.040 ppm
  • NO2: 1.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

8 PM
69 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 20.68 µg/m³
  • PM10: 26.79 µg/m³
  • O3: 0.038 ppm
  • NO2: 1.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

9 PM
69 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 20.83 µg/m³
  • PM10: 26.91 µg/m³
  • O3: 0.037 ppm
  • NO2: 1.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

10 PM
68 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 20.41 µg/m³
  • PM10: 26.38 µg/m³
  • O3: 0.036 ppm
  • NO2: 1.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

11 PM
66 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 19.62 µg/m³
  • PM10: 25.46 µg/m³
  • O3: 0.035 ppm
  • NO2: 1.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.