Hourly Weather | Today Saturday, September 19, 2026
Winston-Salem, North Carolina
5 PM
Cloudy Weather
82°
Feels Like 88°
40
Humidity: 66%
UV Index: 1
Wind: 7 mph
6 PM
Cloudy Weather
81°
Feels Like 84°
34
Humidity: 70%
UV Index: 0
Wind: 6 mph
7 PM
Cloudy Weather
79°
Feels Like 82°
29
Humidity: 75%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Weather
77°
Feels Like 81°
20
Humidity: 81%
UV Index: 0
Wind: 5 mph
9 PM
Cloudy Night
75°
Feels Like 79°
20
Humidity: 85%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Night
73°
Feels Like 79°
20
Humidity: 87%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Weather
73°
Feels Like 77°
20
Humidity: 89%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

5 PM
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.91 µg/m³
  • PM10: 5.28 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.78 µg/m³
  • PM10: 5.25 µg/m³
  • O3: 0.048 ppm
  • NO2: 1.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.89 µg/m³
  • PM10: 5.53 µg/m³
  • O3: 0.042 ppm
  • NO2: 2.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.07 µg/m³
  • PM10: 5.85 µg/m³
  • O3: 0.037 ppm
  • NO2: 2.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.17 µg/m³
  • PM10: 6.05 µg/m³
  • O3: 0.031 ppm
  • NO2: 2.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.33 µg/m³
  • PM10: 6.35 µg/m³
  • O3: 0.026 ppm
  • NO2: 2.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.48 µg/m³
  • PM10: 6.64 µg/m³
  • O3: 0.022 ppm
  • NO2: 2.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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