Hourly Weather | Today Wednesday, May 20, 2026
Waldorf, Maryland
7 PM
Stormy Weather
84°
Feels Like 84°
52
Humidity: 66%
UV Index: 0
Wind: 10 mph
8 PM
Cloudy Weather
81°
Feels Like 84°
47
Humidity: 70%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Weather
79°
Feels Like 81°
47
Humidity: 74%
UV Index: 0
Wind: 7 mph
10 PM
Stormy Weather
77°
Feels Like 75°
51
Humidity: 75%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Weather
75°
Feels Like 79°
43
Humidity: 76%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 4.25 µg/m³
  • PM10: 6.21 µg/m³
  • O3: 0.040 ppm
  • NO2: 3.4 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
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.35 µg/m³
  • PM10: 6.45 µg/m³
  • O3: 0.037 ppm
  • NO2: 4.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.32 µg/m³
  • PM10: 6.4 µg/m³
  • O3: 0.034 ppm
  • NO2: 4.3 ppb
  • SO2: 0.5 ppb
  • CO: 0.12 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: 4.31 µg/m³
  • PM10: 6.3 µg/m³
  • O3: 0.029 ppm
  • NO2: 4.5 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.24 µg/m³
  • PM10: 6.02 µg/m³
  • O3: 0.024 ppm
  • NO2: 4.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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