Hourly Weather | Today | Sunday, August 17, 2025
Santa Ana, California
8 PM
NightNighttime, with dark skies and stars or a moon visible.
73°
Feels Like 73°
0
Humidity: 69%
Wind: 6 mph
UV Index: 0
9 PM
NightNighttime, with dark skies and stars or a moon visible.
72°
Feels Like 70°
0
Humidity: 75%
Wind: 6 mph
UV Index: 0
10 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
68°
Feels Like 66°
0
Humidity: 83%
Wind: 6 mph
UV Index: 0
11 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
68°
Feels Like 66°
0
Humidity: 85%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

8 PM
59 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 18.44 µg/m³
  • PM10: 20.36 µg/m³
  • O₃: 40.88 ppb
  • NO₂: 10.60 ppb
  • SO₂: 3.44 ppb
  • CO: 144.72 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
59 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 17.85 µg/m³
  • PM10: 19.68 µg/m³
  • O₃: 34.45 ppb
  • NO₂: 12.16 ppb
  • SO₂: 3.37 ppb
  • CO: 148.01 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
59 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 17.27 µg/m³
  • PM10: 18.99 µg/m³
  • O₃: 28.02 ppb
  • NO₂: 13.72 ppb
  • SO₂: 3.29 ppb
  • CO: 151.30 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
59 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 17.44 µg/m³
  • PM10: 19.44 µg/m³
  • O₃: 21.59 ppb
  • NO₂: 15.28 ppb
  • SO₂: 3.22 ppb
  • CO: 154.60 ppb

Health Recommendations:

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