Hourly Weather | Today Sunday, September 7, 2025
Santa Ana, California
7 PM
Cloudy Weather
84°
Feels Like 82°
0
Humidity: 41%
Wind: 7 mph
UV Index: 2
8 PM
Night
81°
Feels Like 79°
0
Humidity: 53%
Wind: 6 mph
UV Index: 0
9 PM
Night
75°
Feels Like 75°
0
Humidity: 63%
Wind: 6 mph
UV Index: 0
10 PM
Night
72°
Feels Like 72°
0
Humidity: 73%
Wind: 6 mph
UV Index: 0
11 PM
Night
70°
Feels Like 70°
0
Humidity: 78%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

7 PM
58 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 12.72 µg/m³
  • PM10: 13.82 µg/m³
  • O₃: 45.08 ppb
  • NO₂: 12.92 ppb
  • SO₂: 3.27 ppb
  • CO: 165.01 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: 13.60 µg/m³
  • PM10: 14.73 µg/m³
  • O₃: 39.51 ppb
  • NO₂: 15.62 ppb
  • SO₂: 3.45 ppb
  • CO: 176.03 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: 14.07 µg/m³
  • PM10: 15.28 µg/m³
  • O₃: 34.65 ppb
  • NO₂: 17.40 ppb
  • SO₂: 3.39 ppb
  • CO: 180.54 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
57 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 14.43 µg/m³
  • PM10: 15.62 µg/m³
  • O₃: 29.79 ppb
  • NO₂: 19.17 ppb
  • SO₂: 3.33 ppb
  • CO: 185.05 ppb

Health Recommendations:

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

11 PM
57 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 15.09 µg/m³
  • PM10: 16.31 µg/m³
  • O₃: 24.93 ppb
  • NO₂: 20.94 ppb
  • SO₂: 3.26 ppb
  • CO: 189.56 ppb

Health Recommendations:

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