Hourly Weather | Today Friday, February 6, 2026
Rockville, Maryland
1 AM
Cloudy Night
12°
Feels Like
0
Frost Risk: 100%
Humidity: 100%
UV Index: 0
Wind: 5 mph
2 AM
Cloudy Night
12°
Feels Like 10°
0
Frost Risk: 100%
Humidity: 99%
UV Index: 0
Wind: 5 mph
3 AM
Cloudy Night
12°
Feels Like 12°
0
Frost Risk: 100%
Humidity: 99%
UV Index: 0
Wind: 4 mph
4 AM
Cloudy Night
12°
Feels Like 12°
0
Frost Risk: 100%
Humidity: 99%
UV Index: 0
Wind: 4 mph
5 AM
Cloudy Night
12°
Feels Like 12°
0
Frost Risk: 100%
Humidity: 97%
UV Index: 0
Wind: 4 mph
6 AM
Cloudy Night
12°
Feels Like 12°
0
Frost Risk: 100%
Humidity: 95%
UV Index: 0
Wind: 4 mph
7 AM
Cloudy Night
12°
Feels Like 12°
7
Frost Risk: 100%
Humidity: 96%
UV Index: 0
Wind: 4 mph
8 AM
Cloudy Weather
12°
Feels Like 16°
7
Frost Risk: 100%
Humidity: 92%
UV Index: 1
Wind: 5 mph
9 AM
Cloudy Weather
18°
Feels Like 19°
7
Frost Risk: 100%
Humidity: 81%
UV Index: 2
Wind: 5 mph
10 AM
Cloudy Weather
21°
Feels Like 25°
7
Humidity: 79%
UV Index: 2
Wind: 5 mph
11 AM
Cloudy Weather
23°
Feels Like 27°
7
Humidity: 73%
UV Index: 3
Wind: 6 mph
12 PM
Cloudy Weather
27°
Feels Like 30°
11
Humidity: 68%
UV Index: 3
Wind: 6 mph
1 PM
Cloudy Weather
28°
Feels Like 27°
24
Humidity: 65%
UV Index: 1
Wind: 6 mph
2 PM
Cloudy Weather
28°
Feels Like 27°
24
Humidity: 65%
UV Index: 1
Wind: 7 mph
3 PM
Cloudy Weather
30°
Feels Like 27°
30
Humidity: 64%
UV Index: 1
Wind: 7 mph
4 PM
Cloudy Weather
30°
Feels Like 25°
45
Humidity: 69%
UV Index: 0
Wind: 7 mph
5 PM
Snowy Weather
28°
Feels Like 23°
49
Humidity: 73%
UV Index: 0
Wind: 6 mph
6 PM
Snowy Weather
28°
Feels Like 25°
49
Humidity: 76%
UV Index: 0
Wind: 6 mph
7 PM
Cloudy Weather
28°
Feels Like 27°
37
Humidity: 80%
UV Index: 0
Wind: 6 mph
8 PM
Snowy Weather
28°
Feels Like 25°
51
Humidity: 83%
UV Index: 0
Wind: 5 mph
9 PM
Cloudy Weather
28°
Feels Like 27°
44
Humidity: 84%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Weather
28°
Feels Like 27°
34
Humidity: 84%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Weather
27°
Feels Like 25°
34
Frost Risk: 64%
Humidity: 84%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

1 AM
59 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 16.03 µg/m³
  • PM10: 18.47 µg/m³
  • O3: 0.020 ppm
  • NO2: 11.2 ppb
  • SO2: 0.8 ppb
  • CO: 0.27 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

2 AM
58 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 15.53 µg/m³
  • PM10: 17.87 µg/m³
  • O3: 0.020 ppm
  • NO2: 10.4 ppb
  • SO2: 0.7 ppb
  • CO: 0.27 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

3 AM
58 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 15.56 µg/m³
  • PM10: 17.96 µg/m³
  • O3: 0.019 ppm
  • NO2: 10.1 ppb
  • SO2: 0.6 ppb
  • CO: 0.27 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

4 AM
59 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 16.09 µg/m³
  • PM10: 18.63 µg/m³
  • O3: 0.018 ppm
  • NO2: 10.2 ppb
  • SO2: 0.6 ppb
  • CO: 0.27 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

5 AM
61 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 16.95 µg/m³
  • PM10: 19.69 µg/m³
  • O3: 0.017 ppm
  • NO2: 10.5 ppb
  • SO2: 0.6 ppb
  • CO: 0.28 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

6 AM
62 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 17.74 µg/m³
  • PM10: 20.69 µg/m³
  • O3: 0.016 ppm
  • NO2: 10.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.28 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

7 AM
64 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 18.57 µg/m³
  • PM10: 21.89 µg/m³
  • O3: 0.015 ppm
  • NO2: 12.1 ppb
  • SO2: 0.5 ppb
  • CO: 0.29 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

8 AM
65 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 19.18 µg/m³
  • PM10: 22.8 µg/m³
  • O3: 0.013 ppm
  • NO2: 14 ppb
  • SO2: 0.5 ppb
  • CO: 0.31 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

9 AM
65 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 19.22 µg/m³
  • PM10: 22.92 µg/m³
  • O3: 0.014 ppm
  • NO2: 12.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.33 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

10 AM
64 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 18.63 µg/m³
  • PM10: 22.19 µg/m³
  • O3: 0.017 ppm
  • NO2: 10.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.32 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

11 AM
53 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.27 µg/m³
  • PM10: 15.27 µg/m³
  • O3: 0.028 ppm
  • NO2: 7 ppb
  • SO2: 1.2 ppb
  • CO: 0.23 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

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

Pollutant Concentrations:

  • PM2.5: 12.14 µg/m³
  • PM10: 13.85 µg/m³
  • O3: 0.031 ppm
  • NO2: 5.5 ppb
  • SO2: 1.3 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 12.01 µg/m³
  • PM10: 13.61 µg/m³
  • O3: 0.031 ppm
  • NO2: 5 ppb
  • SO2: 1.2 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.93 µg/m³
  • PM10: 13.2 µg/m³
  • O3: 0.033 ppm
  • NO2: 4.8 ppb
  • SO2: 1.3 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.58 µg/m³
  • PM10: 12.52 µg/m³
  • O3: 0.033 ppm
  • NO2: 5 ppb
  • SO2: 1.2 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.15 µg/m³
  • PM10: 11.89 µg/m³
  • O3: 0.033 ppm
  • NO2: 5.4 ppb
  • SO2: 1 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.23 µg/m³
  • PM10: 12.01 µg/m³
  • O3: 0.030 ppm
  • NO2: 7 ppb
  • SO2: 0.9 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.84 µg/m³
  • PM10: 12.84 µg/m³
  • O3: 0.026 ppm
  • NO2: 9.1 ppb
  • SO2: 0.7 ppb
  • CO: 0.23 ppm

Health Recommendations:

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

7 PM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.66 µg/m³
  • PM10: 13.97 µg/m³
  • O3: 0.023 ppm
  • NO2: 10.4 ppb
  • SO2: 0.7 ppb
  • CO: 0.25 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

8 PM
53 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.63 µg/m³
  • PM10: 15.29 µg/m³
  • O3: 0.021 ppm
  • NO2: 11.1 ppb
  • SO2: 0.6 ppb
  • CO: 0.26 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

9 PM
56 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.67 µg/m³
  • PM10: 16.61 µg/m³
  • O3: 0.019 ppm
  • NO2: 11.4 ppb
  • SO2: 0.5 ppb
  • CO: 0.27 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

10 PM
57 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 15.42 µg/m³
  • PM10: 17.58 µg/m³
  • O3: 0.018 ppm
  • NO2: 11.4 ppb
  • SO2: 0.5 ppb
  • CO: 0.28 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

11 PM
57 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 15.1 µg/m³
  • PM10: 17.23 µg/m³
  • O3: 0.018 ppm
  • NO2: 10.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.27 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.