Hourly Weather | Today Wednesday, September 24, 2025
Alexandria, Virginia
8 PM
Cloudy Weather
73°
Feels Like 75°
43
Humidity: 90%
Wind: 6 mph
UV Index: 0
9 PM
Stormy Weather
73°
Feels Like 73°
51
Humidity: 91%
Wind: 6 mph
UV Index: 0
10 PM
Cloudy Weather
73°
Feels Like 75°
43
Humidity: 90%
Wind: 6 mph
UV Index: 0
11 PM
Stormy Weather
72°
Feels Like 72°
54
Humidity: 91%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

8 PM
84 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 19.31 µg/m³
  • PM10: 19.49 µg/m³
  • O₃: 36.93 ppb
  • NO₂: 22.93 ppb
  • SO₂: 1.30 ppb
  • CO: 368.28 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
70 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 17.19 µg/m³
  • PM10: 17.42 µg/m³
  • O₃: 37.92 ppb
  • NO₂: 18.89 ppb
  • SO₂: 1.33 ppb
  • CO: 330.56 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
64 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 15.37 µg/m³
  • PM10: 15.57 µg/m³
  • O₃: 38.92 ppb
  • NO₂: 14.85 ppb
  • SO₂: 1.37 ppb
  • CO: 292.83 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
64 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 13.84 µg/m³
  • PM10: 14.04 µg/m³
  • O₃: 39.91 ppb
  • NO₂: 10.82 ppb
  • SO₂: 1.40 ppb
  • CO: 255.11 ppb

Health Recommendations:

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