Hourly Weather | Today Thursday, December 4, 2025
Alexandria, Virginia
6 AM
Cloudy Night
28°
Feels Like 30°
0
Humidity: 86%
Wind: 4 mph
UV Index: 0
7 AM
Cloudy Night
34°
Feels Like 25°
0
Humidity: 67%
Wind: 10 mph
UV Index: 0
8 AM
Cloudy Weather
34°
Feels Like 25°
0
Humidity: 71%
Wind: 12 mph
UV Index: 1
9 AM
Cloudy Weather
36°
Feels Like 27°
0
Humidity: 68%
Wind: 13 mph
UV Index: 1
10 AM
Cloudy Weather
39°
Feels Like 32°
0
Humidity: 58%
Wind: 14 mph
UV Index: 2
11 AM
Cloudy Weather
43°
Feels Like 34°
0
Humidity: 54%
Wind: 15 mph
UV Index: 2
12 PM
Cloudy Weather
43°
Feels Like 36°
0
Humidity: 51%
Wind: 17 mph
UV Index: 2
1 PM
Cloudy Weather
45°
Feels Like 36°
0
Humidity: 50%
Wind: 15 mph
UV Index: 2
2 PM
Cloudy Weather
45°
Feels Like 37°
0
Humidity: 46%
Wind: 15 mph
UV Index: 2
3 PM
Cloudy Weather
45°
Feels Like 36°
0
Humidity: 46%
Wind: 15 mph
UV Index: 1
4 PM
Cloudy Weather
43°
Feels Like 34°
0
Humidity: 47%
Wind: 15 mph
UV Index: 1
5 PM
Cloudy Night
39°
Feels Like 30°
0
Humidity: 50%
Wind: 14 mph
UV Index: 0
6 PM
Cloudy Night
37°
Feels Like 28°
0
Humidity: 51%
Wind: 13 mph
UV Index: 0
7 PM
Cloudy Night
36°
Feels Like 28°
0
Humidity: 54%
Wind: 9 mph
UV Index: 0
8 PM
Cloudy Night
36°
Feels Like 28°
0
Humidity: 53%
Wind: 9 mph
UV Index: 0
9 PM
Cloudy Night
34°
Feels Like 25°
0
Humidity: 53%
Wind: 9 mph
UV Index: 0
10 PM
Cloudy Night
30°
Feels Like 25°
0
Humidity: 53%
Wind: 8 mph
UV Index: 0
11 PM
Cloudy Night
30°
Feels Like 25°
0
Humidity: 52%
Wind: 8 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

6 AM
32 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.56 µg/m³
  • PM10: 8.81 µg/m³
  • O3: 0.017 ppm
  • NO2: 4.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.19 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 AM
35 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.39 µg/m³
  • PM10: 9.9 µg/m³
  • O3: 0.015 ppm
  • NO2: 6.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.21 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 AM
38 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.04 µg/m³
  • PM10: 10.87 µg/m³
  • O3: 0.012 ppm
  • NO2: 9.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.23 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 AM
37 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.99 µg/m³
  • PM10: 11 µg/m³
  • O3: 0.011 ppm
  • NO2: 9.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.25 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 AM
36 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.59 µg/m³
  • PM10: 10.61 µg/m³
  • O3: 0.013 ppm
  • NO2: 7.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.25 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 AM
26 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.3 µg/m³
  • PM10: 7.59 µg/m³
  • O3: 0.027 ppm
  • NO2: 5.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.19 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

12 PM
29 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.91 µg/m³
  • PM10: 6.04 µg/m³
  • O3: 0.031 ppm
  • NO2: 4.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.17 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

1 PM
29 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.14 µg/m³
  • PM10: 5.26 µg/m³
  • O3: 0.032 ppm
  • NO2: 4.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.17 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

2 PM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.45 µg/m³
  • PM10: 4.43 µg/m³
  • O3: 0.036 ppm
  • NO2: 3.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

3 PM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.59 µg/m³
  • PM10: 4.54 µg/m³
  • O3: 0.038 ppm
  • NO2: 3.5 ppb
  • SO2: 0.5 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

4 PM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.8 µg/m³
  • PM10: 4.79 µg/m³
  • O3: 0.038 ppm
  • NO2: 3.7 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

5 PM
35 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.8 µg/m³
  • PM10: 4.77 µg/m³
  • O3: 0.038 ppm
  • NO2: 3.9 ppb
  • SO2: 0.8 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 PM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.49 µg/m³
  • PM10: 4.37 µg/m³
  • O3: 0.037 ppm
  • NO2: 4.1 ppb
  • SO2: 0.8 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 PM
32 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.77 µg/m³
  • PM10: 3.55 µg/m³
  • O3: 0.034 ppm
  • NO2: 4.4 ppb
  • SO2: 0.8 ppb
  • CO: 0.17 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM
29 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.48 µg/m³
  • PM10: 3.18 µg/m³
  • O3: 0.031 ppm
  • NO2: 4.8 ppb
  • SO2: 0.7 ppb
  • CO: 0.18 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.86 µg/m³
  • PM10: 3.58 µg/m³
  • O3: 0.029 ppm
  • NO2: 5.3 ppb
  • SO2: 0.8 ppb
  • CO: 0.19 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.45 µg/m³
  • PM10: 4.26 µg/m³
  • O3: 0.029 ppm
  • NO2: 5.5 ppb
  • SO2: 1 ppb
  • CO: 0.19 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.55 µg/m³
  • PM10: 4.44 µg/m³
  • O3: 0.030 ppm
  • NO2: 5.2 ppb
  • SO2: 1.1 ppb
  • CO: 0.18 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.