Hourly Weather | Today Monday, September 21, 2026
Roanoke, Virginia
6 PM
Stormy Weather
73°
Feels Like 73°
66
Humidity: 83%
UV Index: 0
Wind: 6 mph
7 PM
Cloudy Weather
73°
Feels Like 73°
49
Humidity: 79%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Weather
73°
Feels Like 75°
34
Humidity: 88%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Weather
72°
Feels Like 73°
34
Humidity: 86%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Weather
72°
Feels Like 72°
40
Humidity: 87%
UV Index: 0
Wind: 6 mph
11 PM
Stormy Weather
72°
Feels Like 66°
72
Humidity: 87%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 4.05 µg/m³
  • PM10: 5.16 µg/m³
  • O3: 0.044 ppm
  • NO2: 2.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.24 µg/m³
  • PM10: 5.68 µg/m³
  • O3: 0.038 ppm
  • NO2: 4.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.4 µg/m³
  • PM10: 6.1 µg/m³
  • O3: 0.031 ppm
  • NO2: 4.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.43 µg/m³
  • PM10: 6.23 µg/m³
  • O3: 0.023 ppm
  • NO2: 4.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.5 µg/m³
  • PM10: 6.3 µg/m³
  • O3: 0.017 ppm
  • NO2: 4.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.56 µg/m³
  • PM10: 6.2 µg/m³
  • O3: 0.014 ppm
  • NO2: 3.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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