Hourly Weather | Today › Monday, November 2, 2026
Rockville, Maryland
1 AM
Cloudy Night
46°
Feels Like 46°
0
Humidity: 84%
UV Index: 0
Wind: 2 mph
2 AM
Cloudy Night
46°
Feels Like 46°
0
Humidity: 85%
UV Index: 0
Wind: 2 mph
3 AM
Cloudy Night
45°
Feels Like 46°
0
Humidity: 87%
UV Index: 0
Wind: 2 mph
4 AM
Cloudy Night
45°
Feels Like 46°
0
Humidity: 89%
UV Index: 0
Wind: 2 mph
5 AM
Cloudy Night
43°
Feels Like 45°
0
Humidity: 96%
UV Index: 0
Wind: 2 mph
6 AM
Cloudy Night
45°
Feels Like 45°
0
Humidity: 93%
UV Index: 0
Wind: 2 mph
7 AM
Cloudy Weather
45°
Feels Like 45°
0
Humidity: 92%
UV Index: 0
Wind: 4 mph
8 AM
Cloudy Weather
46°
Feels Like 50°
0
Humidity: 85%
UV Index: 1
Wind: 5 mph
9 AM
Cloudy Weather
52°
Feels Like 55°
0
Humidity: 76%
UV Index: 2
Wind: 5 mph
10 AM
Cloudy Weather
55°
Feels Like 61°
0
Humidity: 68%
UV Index: 2
Wind: 5 mph
11 AM
Cloudy Weather
57°
Feels Like 63°
0
Humidity: 61%
UV Index: 3
Wind: 5 mph
12 PM
Cloudy Weather
61°
Feels Like 64°
0
Humidity: 53%
UV Index: 3
Wind: 6 mph
1 PM
Cloudy Weather
63°
Feels Like 66°
1
Humidity: 48%
UV Index: 3
Wind: 6 mph
2 PM
Cloudy Weather
63°
Feels Like 66°
1
Humidity: 47%
UV Index: 2
Wind: 6 mph
3 PM
Cloudy Weather
64°
Feels Like 66°
1
Humidity: 45%
UV Index: 2
Wind: 6 mph
4 PM
Cloudy Weather
63°
Feels Like 63°
1
Humidity: 49%
UV Index: 1
Wind: 6 mph
5 PM
Cloudy Weather
59°
Feels Like 57°
1
Humidity: 56%
UV Index: 0
Wind: 5 mph
6 PM
Cloudy Night
55°
Feels Like 55°
1
Humidity: 67%
UV Index: 0
Wind: 5 mph
7 PM
Cloudy Night
54°
Feels Like 52°
0
Humidity: 77%
UV Index: 0
Wind: 5 mph
8 PM
Cloudy Night
50°
Feels Like 48°
0
Humidity: 86%
UV Index: 0
Wind: 5 mph
9 PM
Cloudy Night
48°
Feels Like 46°
0
Humidity: 90%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Night
46°
Feels Like 46°
0
Humidity: 95%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
46°
Feels Like 46°
0
Humidity: 96%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 5.88 µg/m³
  • PM10: 7.66 µg/m³
  • O3: 0.015 ppm
  • NO2: 6.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.89 µg/m³
  • PM10: 7.7 µg/m³
  • O3: 0.014 ppm
  • NO2: 5.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.96 µg/m³
  • PM10: 7.81 µg/m³
  • O3: 0.013 ppm
  • NO2: 5.4 ppb
  • SO2: 0 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.07 µg/m³
  • PM10: 7.97 µg/m³
  • O3: 0.012 ppm
  • NO2: 5.1 ppb
  • SO2: 0 ppb
  • CO: 0.18 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: 6.2 µg/m³
  • PM10: 8.14 µg/m³
  • O3: 0.011 ppm
  • NO2: 5 ppb
  • SO2: 0 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.37 µg/m³
  • PM10: 8.36 µg/m³
  • O3: 0.010 ppm
  • NO2: 5 ppb
  • SO2: 0 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.7 µg/m³
  • PM10: 8.87 µg/m³
  • O3: 0.008 ppm
  • NO2: 5.9 ppb
  • SO2: 0 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.95 µg/m³
  • PM10: 9.32 µg/m³
  • O3: 0.007 ppm
  • NO2: 6.9 ppb
  • SO2: 0 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.01 µg/m³
  • PM10: 9.52 µg/m³
  • O3: 0.008 ppm
  • NO2: 6.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.09 µg/m³
  • PM10: 9.68 µg/m³
  • O3: 0.011 ppm
  • NO2: 5.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.63 µg/m³
  • PM10: 9.8 µg/m³
  • O3: 0.035 ppm
  • NO2: 3.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.13 µg/m³
  • PM10: 10.24 µg/m³
  • O3: 0.039 ppm
  • NO2: 2.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.33 µg/m³
  • PM10: 10.5 µg/m³
  • O3: 0.040 ppm
  • NO2: 2.6 ppb
  • SO2: 0.5 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.13 µg/m³
  • PM10: 10.31 µg/m³
  • O3: 0.045 ppm
  • NO2: 2.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.07 µg/m³
  • PM10: 10.34 µg/m³
  • O3: 0.045 ppm
  • NO2: 2.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.04 µg/m³
  • PM10: 10.49 µg/m³
  • O3: 0.043 ppm
  • NO2: 3 ppb
  • SO2: 0.5 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.23 µg/m³
  • PM10: 10.97 µg/m³
  • O3: 0.037 ppm
  • NO2: 4.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.71 µg/m³
  • PM10: 11.76 µg/m³
  • O3: 0.028 ppm
  • NO2: 7.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.23 µg/m³
  • PM10: 12.61 µg/m³
  • O3: 0.022 ppm
  • NO2: 9.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.53 µg/m³
  • PM10: 13.18 µg/m³
  • O3: 0.018 ppm
  • NO2: 10 ppb
  • SO2: 0.1 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.75 µg/m³
  • PM10: 13.56 µg/m³
  • O3: 0.016 ppm
  • NO2: 10.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.23 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.89 µg/m³
  • PM10: 13.75 µg/m³
  • O3: 0.015 ppm
  • NO2: 9.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.23 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.8 µg/m³
  • PM10: 13.57 µg/m³
  • O3: 0.014 ppm
  • NO2: 9.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.23 ppm

Health Recommendations:

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