Hourly Weather | Today Wednesday, April 29, 2026
Waldorf, Maryland
4 AM
Cloudy Weather
50°
Feels Like 48°
0
Humidity: 88%
UV Index: 0
Wind: 6 mph
5 AM
Cloudy Weather
48°
Feels Like 48°
0
Humidity: 90%
UV Index: 0
Wind: 6 mph
6 AM
Cloudy Weather
50°
Feels Like 48°
0
Humidity: 90%
UV Index: 0
Wind: 6 mph
7 AM
Cloudy Weather
52°
Feels Like 50°
0
Humidity: 89%
UV Index: 0
Wind: 6 mph
8 AM
Cloudy Weather
54°
Feels Like 52°
5
Humidity: 89%
UV Index: 0
Wind: 6 mph
9 AM
Cloudy Weather
55°
Feels Like 55°
5
Humidity: 85%
UV Index: 1
Wind: 7 mph
10 AM
Cloudy Weather
59°
Feels Like 57°
6
Humidity: 81%
UV Index: 1
Wind: 7 mph
11 AM
Cloudy Weather
61°
Feels Like 63°
7
Humidity: 78%
UV Index: 1
Wind: 7 mph
12 PM
Cloudy Weather
64°
Feels Like 64°
7
Humidity: 75%
UV Index: 2
Wind: 8 mph
1 PM
Cloudy Weather
64°
Feels Like 64°
11
Humidity: 76%
UV Index: 2
Wind: 8 mph
2 PM
Cloudy Weather
64°
Feels Like 64°
24
Humidity: 75%
UV Index: 2
Wind: 9 mph
3 PM
Cloudy Weather
64°
Feels Like 64°
24
Humidity: 78%
UV Index: 2
Wind: 9 mph
4 PM
Cloudy Weather
63°
Feels Like 63°
29
Humidity: 82%
UV Index: 1
Wind: 8 mph
5 PM
Stormy Weather
63°
Feels Like 57°
56
Humidity: 84%
UV Index: 1
Wind: 8 mph
6 PM
Cloudy Weather
63°
Feels Like 61°
49
Humidity: 86%
UV Index: 0
Wind: 9 mph
7 PM
Stormy Weather
63°
Feels Like 57°
56
Humidity: 87%
UV Index: 0
Wind: 9 mph
8 PM
Cloudy Weather
61°
Feels Like 57°
43
Humidity: 92%
UV Index: 0
Wind: 8 mph
9 PM
Stormy Weather
61°
Feels Like 55°
51
Humidity: 93%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Weather
61°
Feels Like 57°
47
Humidity: 94%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Weather
61°
Feels Like 57°
34
Humidity: 94%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 3.3 µg/m³
  • PM10: 4.96 µg/m³
  • O3: 0.027 ppm
  • NO2: 2.3 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 AM
24 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.26 µg/m³
  • PM10: 5 µg/m³
  • O3: 0.026 ppm
  • NO2: 2.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.26 µg/m³
  • PM10: 5.11 µg/m³
  • O3: 0.025 ppm
  • NO2: 2.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.37 µg/m³
  • PM10: 5.42 µg/m³
  • O3: 0.024 ppm
  • NO2: 2.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.63 µg/m³
  • PM10: 6 µg/m³
  • O3: 0.024 ppm
  • NO2: 3.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.06 µg/m³
  • PM10: 6.58 µg/m³
  • O3: 0.025 ppm
  • NO2: 3.1 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 AM
23 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.33 µg/m³
  • PM10: 6.64 µg/m³
  • O3: 0.025 ppm
  • NO2: 2.9 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 AM
24 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.55 µg/m³
  • PM10: 6.7 µg/m³
  • O3: 0.025 ppm
  • NO2: 2.5 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.84 µg/m³
  • PM10: 6.59 µg/m³
  • O3: 0.029 ppm
  • NO2: 2.3 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.85 µg/m³
  • PM10: 5.9 µg/m³
  • O3: 0.030 ppm
  • NO2: 1.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.69 µg/m³
  • PM10: 5.3 µg/m³
  • O3: 0.029 ppm
  • NO2: 1.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.32 µg/m³
  • PM10: 4.68 µg/m³
  • O3: 0.028 ppm
  • NO2: 1.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.73 µg/m³
  • PM10: 3.99 µg/m³
  • O3: 0.027 ppm
  • NO2: 1.6 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
24 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.09 µg/m³
  • PM10: 3.29 µg/m³
  • O3: 0.026 ppm
  • NO2: 1.7 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
21 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.69 µg/m³
  • PM10: 2.91 µg/m³
  • O3: 0.022 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.

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

Pollutant Concentrations:

  • PM2.5: 2.55 µg/m³
  • PM10: 2.85 µg/m³
  • O3: 0.018 ppm
  • NO2: 2.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.53 µg/m³
  • PM10: 2.92 µg/m³
  • O3: 0.016 ppm
  • NO2: 2.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.66 µg/m³
  • PM10: 3.12 µg/m³
  • O3: 0.016 ppm
  • NO2: 2.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.87 µg/m³
  • PM10: 3.34 µg/m³
  • O3: 0.015 ppm
  • NO2: 2.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.93 µg/m³
  • PM10: 3.38 µg/m³
  • O3: 0.015 ppm
  • NO2: 2.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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