Hourly Weather | Today Tuesday, July 21, 2026
Greensboro, North Carolina
4 AM
Cloudy Night
72°
Feels Like 77°
20
Humidity: 100%
UV Index: 0
Wind: 6 mph
5 AM
Cloudy Night
72°
Feels Like 77°
20
Humidity: 100%
UV Index: 0
Wind: 6 mph
6 AM
Cloudy Night
72°
Feels Like 77°
20
Humidity: 100%
UV Index: 0
Wind: 7 mph
7 AM
Cloudy Weather
72°
Feels Like 79°
15
Humidity: 100%
UV Index: 1
Wind: 7 mph
8 AM
Cloudy Weather
73°
Feels Like 82°
5
Humidity: 97%
UV Index: 2
Wind: 8 mph
9 AM
Cloudy Weather
79°
Feels Like 88°
5
Humidity: 89%
UV Index: 3
Wind: 8 mph
10 AM
Cloudy Weather
81°
Feels Like 91°
6
Humidity: 80%
UV Index: 4
Wind: 9 mph
11 AM
Cloudy Weather
84°
Feels Like 97°
7
Humidity: 74%
UV Index: 7
Wind: 10 mph
12 PM
Cloudy Weather
88°
Feels Like 99°
7
Humidity: 66%
UV Index: 10
Wind: 12 mph
1 PM
Cloudy Weather
88°
Feels Like 100°
10
Humidity: 62%
UV Index: 11
Wind: 12 mph
2 PM
Cloudy Weather
90°
Feels Like 100°
15
Humidity: 58%
UV Index: 9
Wind: 12 mph
3 PM
Cloudy Weather
91°
Feels Like 99°
15
Humidity: 54%
UV Index: 5
Wind: 12 mph
4 PM
Cloudy Weather
90°
Feels Like 95°
19
Humidity: 54%
UV Index: 3
Wind: 12 mph
5 PM
Cloudy Weather
90°
Feels Like 93°
43
Humidity: 54%
UV Index: 1
Wind: 12 mph
6 PM
Cloudy Weather
88°
Feels Like 91°
47
Humidity: 57%
UV Index: 1
Wind: 10 mph
7 PM
Stormy Weather
84°
Feels Like 86°
51
Humidity: 73%
UV Index: 0
Wind: 8 mph
8 PM
Cloudy Weather
82°
Feels Like 88°
40
Humidity: 68%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
82°
Feels Like 86°
34
Humidity: 72%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
81°
Feels Like 86°
37
Humidity: 75%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
81°
Feels Like 84°
47
Humidity: 77%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

4 AM
19 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.34 µg/m³
  • PM10: 4.88 µg/m³
  • O3: 0.020 ppm
  • NO2: 1.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

5 AM
17 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.77 µg/m³
  • PM10: 5.53 µg/m³
  • O3: 0.019 ppm
  • NO2: 1.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

6 AM
17 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.15 µg/m³
  • PM10: 6.06 µg/m³
  • O3: 0.018 ppm
  • NO2: 1.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

7 AM
18 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.42 µg/m³
  • PM10: 6.41 µg/m³
  • O3: 0.017 ppm
  • NO2: 1.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

8 AM
19 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.58 µg/m³
  • PM10: 6.55 µg/m³
  • O3: 0.017 ppm
  • NO2: 1.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

9 AM
20 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.7 µg/m³
  • PM10: 6.58 µg/m³
  • O3: 0.019 ppm
  • NO2: 1.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

10 AM
21 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.93 µg/m³
  • PM10: 6.78 µg/m³
  • O3: 0.023 ppm
  • NO2: 1.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

11 AM
26 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.41 µg/m³
  • PM10: 7.22 µg/m³
  • O3: 0.028 ppm
  • NO2: 1.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

12 PM
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.19 µg/m³
  • PM10: 5.34 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 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: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.63 µg/m³
  • PM10: 3.35 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

2 PM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.96 µg/m³
  • PM10: 2.54 µg/m³
  • O3: 0.032 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.55 µg/m³
  • PM10: 2.07 µg/m³
  • O3: 0.032 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.25 µg/m³
  • PM10: 1.72 µg/m³
  • O3: 0.031 ppm
  • NO2: 0.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.01 µg/m³
  • PM10: 1.45 µg/m³
  • O3: 0.031 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.86 µg/m³
  • PM10: 1.27 µg/m³
  • O3: 0.031 ppm
  • NO2: 1 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.86 µg/m³
  • PM10: 1.3 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.01 µg/m³
  • PM10: 1.53 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.31 µg/m³
  • PM10: 1.97 µg/m³
  • O3: 0.030 ppm
  • NO2: 1.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.72 µg/m³
  • PM10: 2.51 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.07 µg/m³
  • PM10: 2.88 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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