Hourly Weather | Today Wednesday, March 18, 2026
Roanoke, Virginia
10 PM
Cloudy Weather
37°
Feels Like 36°
5
Humidity: 46%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Weather
36°
Feels Like 36°
5
Humidity: 52%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 5.76 µg/m³
  • PM10: 9.54 µg/m³
  • O3: 0.042 ppm
  • NO2: 7 ppb
  • SO2: 0.4 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.35 µg/m³
  • PM10: 10.69 µg/m³
  • O3: 0.039 ppm
  • NO2: 7.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.19 ppm

Health Recommendations:

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