Hourly Weather | Today Wednesday, October 15, 2025
Alexandria, Virginia
4 AM
Night
55°
Feels Like 52°
0
Humidity: 88%
Wind: 8 mph
UV Index: 0
5 AM
Night
55°
Feels Like 52°
0
Humidity: 85%
Wind: 8 mph
UV Index: 0
6 AM
Night
55°
Feels Like 52°
0
Humidity: 84%
Wind: 7 mph
UV Index: 0
7 AM
Night
55°
Feels Like 52°
0
Humidity: 83%
Wind: 7 mph
UV Index: 0
8 AM
Sunny Weather
55°
Feels Like 54°
0
Humidity: 83%
Wind: 7 mph
UV Index: 4
9 AM
Sunny Weather
57°
Feels Like 57°
0
Humidity: 78%
Wind: 8 mph
UV Index: 13
10 AM
Sunny Weather
63°
Feels Like 61°
0
Humidity: 70%
Wind: 10 mph
UV Index: 22
11 AM
Cloudy Weather
66°
Feels Like 66°
0
Humidity: 62%
Wind: 12 mph
UV Index: 30
12 PM
Cloudy Weather
68°
Feels Like 70°
0
Humidity: 57%
Wind: 12 mph
UV Index: 37
1 PM
Cloudy Weather
70°
Feels Like 72°
0
Humidity: 52%
Wind: 12 mph
UV Index: 39
2 PM
Cloudy Weather
72°
Feels Like 72°
0
Humidity: 49%
Wind: 16 mph
UV Index: 37
3 PM
Sunny Weather
72°
Feels Like 72°
0
Humidity: 46%
Wind: 16 mph
UV Index: 30
4 PM
Sunny Weather
72°
Feels Like 70°
0
Humidity: 45%
Wind: 16 mph
UV Index: 22
5 PM
Sunny Weather
70°
Feels Like 66°
0
Humidity: 45%
Wind: 16 mph
UV Index: 13
6 PM
Sunny Weather
68°
Feels Like 64°
0
Humidity: 49%
Wind: 15 mph
UV Index: 4
7 PM
Night
64°
Feels Like 61°
0
Humidity: 54%
Wind: 13 mph
UV Index: 0
8 PM
Night
63°
Feels Like 59°
0
Humidity: 59%
Wind: 8 mph
UV Index: 0
9 PM
Night
61°
Feels Like 55°
0
Humidity: 62%
Wind: 9 mph
UV Index: 0
10 PM
Night
57°
Feels Like 54°
0
Humidity: 63%
Wind: 10 mph
UV Index: 0
11 PM
Night
57°
Feels Like 54°
0
Humidity: 62%
Wind: 10 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

4 AM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.8 µg/m³
  • PM10: 2.48 µg/m³
  • O3: 0.032 ppm
  • NO2: 1.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

5 AM
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.95 µg/m³
  • PM10: 2.6 µg/m³
  • O3: 0.033 ppm
  • NO2: 1.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

6 AM
32 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.24 µg/m³
  • PM10: 2.9 µg/m³
  • O3: 0.034 ppm
  • NO2: 1.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.74 µg/m³
  • PM10: 3.45 µg/m³
  • O3: 0.035 ppm
  • NO2: 1.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

8 AM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.45 µg/m³
  • PM10: 4.25 µg/m³
  • O3: 0.035 ppm
  • NO2: 1.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

9 AM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.29 µg/m³
  • PM10: 5.21 µg/m³
  • O3: 0.035 ppm
  • NO2: 1.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

10 AM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.24 µg/m³
  • PM10: 6.27 µg/m³
  • O3: 0.036 ppm
  • NO2: 1.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

11 AM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.25 µg/m³
  • PM10: 7.34 µg/m³
  • O3: 0.040 ppm
  • NO2: 1.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.47 µg/m³
  • PM10: 7.42 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.61 µg/m³
  • PM10: 7.44 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.89 µg/m³
  • PM10: 7.67 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.98 µg/m³
  • PM10: 7.7 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.91 µg/m³
  • PM10: 7.58 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.87 µg/m³
  • PM10: 7.52 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.94 µg/m³
  • PM10: 7.62 µg/m³
  • O3: 0.048 ppm
  • NO2: 1.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.07 µg/m³
  • PM10: 7.8 µg/m³
  • O3: 0.043 ppm
  • NO2: 2.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.05 µg/m³
  • PM10: 7.85 µg/m³
  • O3: 0.040 ppm
  • NO2: 2.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.69 µg/m³
  • PM10: 7.51 µg/m³
  • O3: 0.037 ppm
  • NO2: 2.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.05 µg/m³
  • PM10: 6.88 µg/m³
  • O3: 0.036 ppm
  • NO2: 2.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.15 µg/m³
  • PM10: 5.98 µg/m³
  • O3: 0.035 ppm
  • NO2: 2.6 ppb
  • SO2: 0.5 ppb
  • CO: 0.12 ppm

Health Recommendations:

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