Hourly Weather | Today Thursday, February 26, 2026
Rockville, Maryland
11 AM
Rainy Weather
45°
Feels Like 43°
68
Humidity: 66%
UV Index: 1
Wind: 5 mph
12 PM
Rainy Weather
46°
Feels Like 45°
68
Humidity: 55%
UV Index: 1
Wind: 5 mph
1 PM
Cloudy Weather
46°
Feels Like 39°
49
Humidity: 56%
UV Index: 1
Wind: 15 mph
2 PM
Rainy Weather
46°
Feels Like 34°
63
Humidity: 59%
UV Index: 1
Wind: 15 mph
3 PM
Rainy Weather
45°
Feels Like 32°
66
Humidity: 66%
UV Index: 1
Wind: 15 mph
4 PM
Cloudy Weather
43°
Feels Like 34°
40
Humidity: 69%
UV Index: 0
Wind: 15 mph
5 PM
Cloudy Weather
43°
Feels Like 32°
34
Humidity: 71%
UV Index: 0
Wind: 15 mph
6 PM
Cloudy Weather
41°
Feels Like 30°
29
Humidity: 72%
UV Index: 0
Wind: 14 mph
7 PM
Cloudy Weather
39°
Feels Like 39°
20
Humidity: 74%
UV Index: 0
Wind: 5 mph
8 PM
Cloudy Night
37°
Feels Like 37°
20
Humidity: 80%
UV Index: 0
Wind: 4 mph
9 PM
Cloudy Night
37°
Feels Like 37°
20
Humidity: 82%
UV Index: 0
Wind: 4 mph
10 PM
Cloudy Night
36°
Feels Like 37°
20
Humidity: 82%
UV Index: 0
Wind: 4 mph
11 PM
Cloudy Night
36°
Feels Like 37°
20
Humidity: 84%
UV Index: 0
Wind: 2 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 6.18 µg/m³
  • PM10: 7.94 µg/m³
  • O3: 0.027 ppm
  • NO2: 4.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.20 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.51 µg/m³
  • PM10: 8.09 µg/m³
  • O3: 0.027 ppm
  • NO2: 5 ppb
  • SO2: 0.4 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.35 µg/m³
  • PM10: 8.82 µg/m³
  • O3: 0.028 ppm
  • NO2: 5.7 ppb
  • SO2: 0.5 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.33 µg/m³
  • PM10: 9.61 µg/m³
  • O3: 0.029 ppm
  • NO2: 6.6 ppb
  • SO2: 0.6 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.08 µg/m³
  • PM10: 10.22 µg/m³
  • O3: 0.030 ppm
  • NO2: 7.8 ppb
  • SO2: 0.7 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.15 µg/m³
  • PM10: 11.2 µg/m³
  • O3: 0.031 ppm
  • NO2: 9.3 ppb
  • SO2: 0.7 ppb
  • CO: 0.23 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: 11.16 µg/m³
  • PM10: 12.26 µg/m³
  • O3: 0.030 ppm
  • NO2: 11 ppb
  • SO2: 0.7 ppb
  • CO: 0.24 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 12.16 µg/m³
  • PM10: 13.41 µg/m³
  • O3: 0.029 ppm
  • NO2: 12.4 ppb
  • SO2: 0.7 ppb
  • CO: 0.25 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 13.12 µg/m³
  • PM10: 14.47 µg/m³
  • O3: 0.028 ppm
  • NO2: 12.7 ppb
  • SO2: 0.7 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.

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

Pollutant Concentrations:

  • PM2.5: 14.05 µg/m³
  • PM10: 15.56 µg/m³
  • O3: 0.027 ppm
  • NO2: 12.5 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
57 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 15.1 µg/m³
  • PM10: 16.81 µg/m³
  • O3: 0.026 ppm
  • NO2: 12.1 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
58 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 15.92 µg/m³
  • PM10: 17.81 µg/m³
  • O3: 0.026 ppm
  • NO2: 11.6 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.

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

Pollutant Concentrations:

  • PM2.5: 16.86 µg/m³
  • PM10: 18.91 µg/m³
  • O3: 0.025 ppm
  • NO2: 11.2 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.