Hourly Weather | Today Friday, December 26, 2025
Rockville, Maryland
1 AM
Cloudy Night
36°
Feels Like 30°
0
Humidity: 57%
Wind: 7 mph
UV Index: 0
2 AM
Cloudy Night
34°
Feels Like 28°
0
Humidity: 59%
Wind: 7 mph
UV Index: 0
3 AM
Cloudy Night
32°
Feels Like 28°
0
Humidity: 59%
Wind: 6 mph
UV Index: 0
4 AM
Cloudy Night
30°
Feels Like 27°
0
Humidity: 59%
Wind: 6 mph
UV Index: 0
5 AM
Cloudy Night
28°
Feels Like 27°
0
Humidity: 59%
Wind: 6 mph
UV Index: 0
6 AM
Cloudy Night
28°
Feels Like 25°
0
Humidity: 59%
Wind: 6 mph
UV Index: 0
7 AM
Cloudy Weather
27°
Feels Like 25°
22
Humidity: 60%
Wind: 6 mph
UV Index: 0
8 AM
Cloudy Weather
28°
Feels Like 27°
22
Humidity: 55%
Wind: 6 mph
UV Index: 0
9 AM
Cloudy Weather
30°
Feels Like 28°
27
Humidity: 50%
Wind: 6 mph
UV Index: 1
10 AM
Snowy Weather
30°
Feels Like 27°
60
Humidity: 46%
Wind: 6 mph
UV Index: 0
11 AM
Snowy Weather
32°
Feels Like 27°
66
Humidity: 44%
Wind: 6 mph
UV Index: 1
12 PM
Snowy Weather
34°
Feels Like 27°
60
Humidity: 44%
Wind: 7 mph
UV Index: 1
1 PM
Cloudy Weather
34°
Feels Like 28°
40
Humidity: 44%
Wind: 8 mph
UV Index: 1
2 PM
Cloudy Weather
34°
Feels Like 27°
34
Humidity: 46%
Wind: 8 mph
UV Index: 1
3 PM
Cloudy Weather
34°
Feels Like 25°
37
Humidity: 48%
Wind: 9 mph
UV Index: 0
4 PM
Cloudy Weather
34°
Feels Like 25°
47
Humidity: 51%
Wind: 10 mph
UV Index: 0
5 PM
Rainy Weather
32°
Feels Like 21°
51
Humidity: 56%
Wind: 10 mph
UV Index: 0
6 PM
Cloudy Weather
32°
Feels Like 23°
47
Humidity: 62%
Wind: 10 mph
UV Index: 0
7 PM
Cloudy Weather
32°
Feels Like 21°
49
Humidity: 70%
Wind: 10 mph
UV Index: 0
8 PM
Rainy Weather
34°
Feels Like 21°
60
Humidity: 75%
Wind: 10 mph
UV Index: 0
9 PM
Rainy Weather
36°
Feels Like 25°
60
Humidity: 75%
Wind: 9 mph
UV Index: 0
10 PM
Rainy Weather
34°
Feels Like 25°
60
Humidity: 78%
Wind: 8 mph
UV Index: 0
11 PM
Cloudy Weather
36°
Feels Like 28°
49
Humidity: 80%
Wind: 7 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

1 AM
32 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.7 µg/m³
  • PM10: 9.96 µg/m³
  • O3: 0.025 ppm
  • NO2: 7.3 ppb
  • SO2: 1 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.4 µg/m³
  • PM10: 9.78 µg/m³
  • O3: 0.024 ppm
  • NO2: 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.

3 AM
30 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.11 µg/m³
  • PM10: 9.6 µg/m³
  • O3: 0.023 ppm
  • NO2: 6.7 ppb
  • SO2: 0.8 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

4 AM
28 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.69 µg/m³
  • PM10: 9.26 µg/m³
  • O3: 0.023 ppm
  • NO2: 6.3 ppb
  • SO2: 0.7 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.12 µg/m³
  • PM10: 8.68 µg/m³
  • O3: 0.024 ppm
  • NO2: 5.8 ppb
  • SO2: 0.8 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

6 AM
24 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.65 µg/m³
  • PM10: 8.26 µg/m³
  • O3: 0.024 ppm
  • NO2: 5.5 ppb
  • SO2: 0.8 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

7 AM
23 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.5 µg/m³
  • PM10: 8.21 µg/m³
  • O3: 0.024 ppm
  • NO2: 5.6 ppb
  • SO2: 0.9 ppb
  • CO: 0.18 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.25 µg/m³
  • PM10: 8.08 µg/m³
  • O3: 0.024 ppm
  • NO2: 6.1 ppb
  • SO2: 1 ppb
  • CO: 0.18 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: 4.89 µg/m³
  • PM10: 7.81 µg/m³
  • O3: 0.025 ppm
  • NO2: 6.6 ppb
  • SO2: 1 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.47 µg/m³
  • PM10: 7.44 µg/m³
  • O3: 0.027 ppm
  • NO2: 6.6 ppb
  • SO2: 1.1 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.9 µg/m³
  • PM10: 6.72 µg/m³
  • O3: 0.028 ppm
  • NO2: 6.4 ppb
  • SO2: 1.2 ppb
  • CO: 0.17 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: 3.49 µg/m³
  • PM10: 6.12 µg/m³
  • O3: 0.029 ppm
  • NO2: 6.1 ppb
  • SO2: 1.2 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.21 µg/m³
  • PM10: 5.61 µg/m³
  • O3: 0.029 ppm
  • NO2: 6 ppb
  • SO2: 1.1 ppb
  • CO: 0.16 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: 2.96 µg/m³
  • PM10: 5.13 µg/m³
  • O3: 0.030 ppm
  • NO2: 6 ppb
  • SO2: 1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.84 µg/m³
  • PM10: 4.84 µg/m³
  • O3: 0.029 ppm
  • NO2: 6 ppb
  • SO2: 0.9 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.88 µg/m³
  • PM10: 4.84 µg/m³
  • O3: 0.028 ppm
  • NO2: 6.4 ppb
  • SO2: 0.9 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.99 µg/m³
  • PM10: 4.73 µg/m³
  • O3: 0.028 ppm
  • NO2: 6.8 ppb
  • SO2: 0.9 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.07 µg/m³
  • PM10: 4.47 µg/m³
  • O3: 0.026 ppm
  • NO2: 7.1 ppb
  • SO2: 0.9 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.3 µg/m³
  • PM10: 4.46 µg/m³
  • O3: 0.026 ppm
  • NO2: 6.9 ppb
  • SO2: 0.8 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.54 µg/m³
  • PM10: 4.69 µg/m³
  • O3: 0.026 ppm
  • NO2: 6.3 ppb
  • SO2: 0.7 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.77 µg/m³
  • PM10: 5.04 µg/m³
  • O3: 0.026 ppm
  • NO2: 5.6 ppb
  • SO2: 0.7 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.04 µg/m³
  • PM10: 5.35 µg/m³
  • O3: 0.025 ppm
  • NO2: 5 ppb
  • SO2: 0.8 ppb
  • CO: 0.17 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: 4.71 µg/m³
  • PM10: 6 µg/m³
  • O3: 0.025 ppm
  • NO2: 4.9 ppb
  • SO2: 0.9 ppb
  • CO: 0.17 ppm

Health Recommendations:

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