Hourly Weather | Today Thursday, December 11, 2025
Washington, District of Columbia
3 PM
Cloudy Weather
39°
Feels Like 30°
0
Humidity: 32%
Wind: 15 mph
UV Index: 1
4 PM
Cloudy Weather
37°
Feels Like 28°
0
Humidity: 35%
Wind: 14 mph
UV Index: 1
5 PM
Cloudy Night
36°
Feels Like 27°
0
Humidity: 39%
Wind: 13 mph
UV Index: 0
6 PM
Cloudy Night
36°
Feels Like 27°
0
Humidity: 42%
Wind: 12 mph
UV Index: 0
7 PM
Cloudy Night
34°
Feels Like 27°
0
Humidity: 47%
Wind: 9 mph
UV Index: 0
8 PM
Cloudy Night
32°
Feels Like 25°
0
Humidity: 51%
Wind: 8 mph
UV Index: 0
9 PM
Cloudy Night
30°
Feels Like 25°
0
Humidity: 53%
Wind: 8 mph
UV Index: 0
10 PM
Cloudy Night
30°
Feels Like 25°
0
Humidity: 55%
Wind: 8 mph
UV Index: 0
11 PM
Cloudy Night
30°
Feels Like 25°
0
Humidity: 57%
Wind: 7 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 0.62 µg/m³
  • PM10: 0.85 µg/m³
  • O3: 0.041 ppm
  • NO2: 1 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.62 µg/m³
  • PM10: 0.86 µg/m³
  • O3: 0.040 ppm
  • NO2: 1.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.62 µg/m³
  • PM10: 0.89 µg/m³
  • O3: 0.039 ppm
  • NO2: 2.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 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: 0.65 µg/m³
  • PM10: 1.02 µg/m³
  • O3: 0.036 ppm
  • NO2: 2.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 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: 0.74 µg/m³
  • PM10: 1.2 µg/m³
  • O3: 0.034 ppm
  • NO2: 3.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 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: 0.92 µg/m³
  • PM10: 1.48 µg/m³
  • O3: 0.031 ppm
  • NO2: 4 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.2 µg/m³
  • PM10: 1.84 µg/m³
  • O3: 0.030 ppm
  • NO2: 4.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 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: 1.47 µg/m³
  • PM10: 2.18 µg/m³
  • O3: 0.029 ppm
  • NO2: 4.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.7 µg/m³
  • PM10: 2.44 µg/m³
  • O3: 0.028 ppm
  • NO2: 4.5 ppb
  • SO2: 0.5 ppb
  • CO: 0.16 ppm

Health Recommendations:

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