Hourly Weather | Today Tuesday, February 24, 2026
Washington, District of Columbia
6 PM
Cloudy Night
37°
Feels Like 34°
0
Humidity: 40%
UV Index: 0
Wind: 7 mph
7 PM
Cloudy Weather
37°
Feels Like 34°
4
Humidity: 46%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Weather
36°
Feels Like 30°
4
Humidity: 51%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Weather
34°
Feels Like 28°
4
Humidity: 52%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Weather
36°
Feels Like 28°
4
Humidity: 50%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Weather
36°
Feels Like 28°
4
Humidity: 51%
UV Index: 0
Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 1.53 µg/m³
  • PM10: 2.19 µg/m³
  • O3: 0.047 ppm
  • NO2: 2.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.84 µg/m³
  • PM10: 2.71 µg/m³
  • O3: 0.045 ppm
  • NO2: 3.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.08 µg/m³
  • PM10: 3.14 µg/m³
  • O3: 0.042 ppm
  • NO2: 3.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.19 µg/m³
  • PM10: 3.31 µg/m³
  • O3: 0.042 ppm
  • NO2: 3.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.37 µg/m³
  • PM10: 3.46 µg/m³
  • O3: 0.042 ppm
  • NO2: 3.1 ppb
  • SO2: 0.6 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.79 µg/m³
  • PM10: 3.88 µg/m³
  • O3: 0.042 ppm
  • NO2: 2.7 ppb
  • SO2: 0.9 ppb
  • CO: 0.15 ppm

Health Recommendations:

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