Hourly Weather | Today Wednesday, May 20, 2026
Roanoke, Virginia
7 PM
Stormy Weather
88°
Feels Like 84°
45
Humidity: 37%
UV Index: 0
Wind: 7 mph
8 PM
Cloudy Weather
84°
Feels Like 82°
39
Humidity: 41%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Weather
82°
Feels Like 81°
34
Humidity: 46%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Weather
79°
Feels Like 77°
39
Humidity: 52%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Weather
75°
Feels Like 75°
49
Humidity: 60%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 1.95 µg/m³
  • PM10: 3.26 µg/m³
  • O3: 0.048 ppm
  • NO2: 1.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.1 µg/m³
  • PM10: 3.56 µg/m³
  • O3: 0.045 ppm
  • NO2: 2 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.34 µg/m³
  • PM10: 3.99 µg/m³
  • O3: 0.041 ppm
  • NO2: 2.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.68 µg/m³
  • PM10: 4.57 µg/m³
  • O3: 0.038 ppm
  • NO2: 2.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

11 PM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.02 µg/m³
  • PM10: 5.12 µg/m³
  • O3: 0.036 ppm
  • NO2: 2.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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