Hourly Weather | Today Thursday, October 30, 2025
Orange, California
4 PM
Sunny Weather
84°
Feels Like 84°
0
Humidity: 24%
Wind: 7 mph
UV Index: 2
5 PM
Sunny Weather
82°
Feels Like 82°
0
Humidity: 31%
Wind: 7 mph
UV Index: 1
6 PM
Sunny Weather
79°
Feels Like 75°
0
Humidity: 38%
Wind: 6 mph
UV Index: 0
7 PM
Night
73°
Feels Like 72°
0
Humidity: 48%
Wind: 5 mph
UV Index: 0
8 PM
Cloudy Night
72°
Feels Like 70°
0
Humidity: 61%
Wind: 5 mph
UV Index: 0
9 PM
Cloudy Night
66°
Feels Like 64°
0
Humidity: 69%
Wind: 5 mph
UV Index: 0
10 PM
Cloudy Night
64°
Feels Like 64°
0
Humidity: 76%
Wind: 4 mph
UV Index: 0
11 PM
Cloudy Night
61°
Feels Like 61°
0
Humidity: 85%
Wind: 4 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 19.61 µg/m³
  • PM10: 36.33 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 18.97 µg/m³
  • PM10: 35.83 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 18.52 µg/m³
  • PM10: 35.63 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 18.13 µg/m³
  • PM10: 35.65 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 17.61 µg/m³
  • PM10: 35.81 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 16.94 µg/m³
  • PM10: 35.72 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 16.26 µg/m³
  • PM10: 35.44 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 15.54 µg/m³
  • PM10: 35.05 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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