Hourly Weather | Today Saturday, January 3, 2026
Washington, District of Columbia
9 AM
Cloudy Weather
30°
Feels Like 30°
0
Humidity: 50%
Wind: 6 mph
UV Index: 1
10 AM
Cloudy Weather
32°
Feels Like 34°
0
Humidity: 46%
Wind: 6 mph
UV Index: 2
11 AM
Cloudy Weather
34°
Feels Like 34°
0
Humidity: 43%
Wind: 6 mph
UV Index: 2
12 PM
Cloudy Weather
34°
Feels Like 36°
0
Humidity: 40%
Wind: 6 mph
UV Index: 2
1 PM
Cloudy Weather
36°
Feels Like 34°
0
Humidity: 39%
Wind: 6 mph
UV Index: 1
2 PM
Cloudy Weather
36°
Feels Like 34°
0
Humidity: 39%
Wind: 6 mph
UV Index: 1
3 PM
Cloudy Weather
36°
Feels Like 36°
0
Humidity: 38%
Wind: 5 mph
UV Index: 1
4 PM
Cloudy Weather
36°
Feels Like 36°
0
Humidity: 40%
Wind: 5 mph
UV Index: 0
5 PM
Cloudy Weather
36°
Feels Like 36°
0
Humidity: 43%
Wind: 4 mph
UV Index: 0
6 PM
Cloudy Weather
34°
Feels Like 36°
0
Humidity: 45%
Wind: 4 mph
UV Index: 0
7 PM
Cloudy Weather
34°
Feels Like 36°
0
Humidity: 47%
Wind: 2 mph
UV Index: 0
8 PM
Cloudy Weather
34°
Feels Like 36°
0
Humidity: 50%
Wind: 2 mph
UV Index: 0
9 PM
Cloudy Weather
32°
Feels Like 34°
0
Humidity: 52%
Wind: 2 mph
UV Index: 0
10 PM
Cloudy Weather
32°
Feels Like 34°
0
Humidity: 54%
Wind: 2 mph
UV Index: 0
11 PM
Cloudy Weather
30°
Feels Like 32°
0
Humidity: 57%
Wind: 4 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 9.43 µg/m³
  • PM10: 11.73 µg/m³
  • O3: 0.030 ppm
  • NO2: 6.8 ppb
  • SO2: 1.9 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.04 µg/m³
  • PM10: 11.38 µg/m³
  • O3: 0.032 ppm
  • NO2: 7.3 ppb
  • SO2: 1.9 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.57 µg/m³
  • PM10: 10.9 µg/m³
  • O3: 0.034 ppm
  • NO2: 6.7 ppb
  • SO2: 2 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

12 PM
33 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.9 µg/m³
  • PM10: 10.14 µg/m³
  • O3: 0.035 ppm
  • NO2: 6 ppb
  • SO2: 2 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.51 µg/m³
  • PM10: 9.74 µg/m³
  • O3: 0.036 ppm
  • NO2: 5.8 ppb
  • SO2: 2 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: 7.43 µg/m³
  • PM10: 9.69 µg/m³
  • O3: 0.036 ppm
  • NO2: 6.1 ppb
  • SO2: 2.1 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.44 µg/m³
  • PM10: 9.74 µg/m³
  • O3: 0.036 ppm
  • NO2: 6.6 ppb
  • SO2: 2 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.39 µg/m³
  • PM10: 9.74 µg/m³
  • O3: 0.035 ppm
  • NO2: 7.2 ppb
  • SO2: 1.9 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

5 PM
31 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.32 µg/m³
  • PM10: 9.76 µg/m³
  • O3: 0.034 ppm
  • NO2: 7.8 ppb
  • SO2: 1.7 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

6 PM
31 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.33 µg/m³
  • PM10: 9.88 µg/m³
  • O3: 0.032 ppm
  • NO2: 8.1 ppb
  • SO2: 1.5 ppb
  • CO: 0.18 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.57 µg/m³
  • PM10: 10.26 µg/m³
  • O3: 0.030 ppm
  • NO2: 8.2 ppb
  • SO2: 1.3 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

8 PM
33 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.82 µg/m³
  • PM10: 10.66 µg/m³
  • O3: 0.028 ppm
  • NO2: 8.4 ppb
  • SO2: 1 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

9 PM
35 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.29 µg/m³
  • PM10: 11.33 µg/m³
  • O3: 0.026 ppm
  • NO2: 8.7 ppb
  • SO2: 0.8 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

10 PM
38 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.11 µg/m³
  • PM10: 12.35 µg/m³
  • O3: 0.024 ppm
  • NO2: 9 ppb
  • SO2: 0.8 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

11 PM
41 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.93 µg/m³
  • PM10: 13.34 µg/m³
  • O3: 0.022 ppm
  • NO2: 9.5 ppb
  • SO2: 0.8 ppb
  • CO: 0.21 ppm

Health Recommendations:

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