Hourly Weather | Today Wednesday, March 18, 2026
Greensboro, North Carolina
4 AM
Cloudy Night
28°
Feels Like 25°
1
Humidity: 52%
UV Index: 0
Wind: 6 mph
5 AM
Cloudy Night
28°
Feels Like 25°
1
Humidity: 50%
UV Index: 0
Wind: 7 mph
6 AM
Cloudy Night
28°
Feels Like 25°
1
Humidity: 50%
UV Index: 0
Wind: 6 mph
7 AM
Cloudy Night
27°
Feels Like 23°
1
Humidity: 55%
UV Index: 0
Wind: 6 mph
8 AM
Cloudy Weather
28°
Feels Like 27°
0
Humidity: 53%
UV Index: 1
Wind: 6 mph
9 AM
Cloudy Weather
30°
Feels Like 28°
0
Humidity: 48%
UV Index: 1
Wind: 6 mph
10 AM
Cloudy Weather
34°
Feels Like 36°
0
Humidity: 42%
UV Index: 3
Wind: 6 mph
11 AM
Cloudy Weather
36°
Feels Like 41°
0
Humidity: 36%
UV Index: 4
Wind: 6 mph
12 PM
Cloudy Weather
39°
Feels Like 45°
0
Humidity: 32%
UV Index: 5
Wind: 6 mph
1 PM
Cloudy Weather
43°
Feels Like 48°
0
Humidity: 28%
UV Index: 5
Wind: 6 mph
2 PM
Cloudy Weather
43°
Feels Like 46°
0
Humidity: 26%
UV Index: 3
Wind: 6 mph
3 PM
Cloudy Weather
45°
Feels Like 46°
0
Humidity: 25%
UV Index: 2
Wind: 7 mph
4 PM
Cloudy Weather
46°
Feels Like 46°
0
Humidity: 24%
UV Index: 1
Wind: 7 mph
5 PM
Cloudy Weather
46°
Feels Like 45°
0
Humidity: 26%
UV Index: 1
Wind: 7 mph
6 PM
Cloudy Weather
45°
Feels Like 43°
0
Humidity: 28%
UV Index: 0
Wind: 6 mph
7 PM
Cloudy Weather
43°
Feels Like 41°
0
Humidity: 33%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Night
43°
Feels Like 41°
0
Humidity: 39%
UV Index: 0
Wind: 5 mph
9 PM
Cloudy Night
39°
Feels Like 37°
0
Humidity: 45%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Night
37°
Feels Like 36°
0
Humidity: 51%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
36°
Feels Like 34°
0
Humidity: 54%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 2.17 µg/m³
  • PM10: 4.19 µg/m³
  • O3: 0.048 ppm
  • NO2: 1.1 ppb
  • SO2: 0.5 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.26 µg/m³
  • PM10: 4.41 µg/m³
  • O3: 0.048 ppm
  • NO2: 1.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

6 AM
43 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.34 µg/m³
  • PM10: 4.6 µg/m³
  • O3: 0.047 ppm
  • NO2: 1.2 ppb
  • SO2: 0.7 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

7 AM
42 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.42 µg/m³
  • PM10: 4.82 µg/m³
  • O3: 0.046 ppm
  • NO2: 1.4 ppb
  • SO2: 0.8 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

8 AM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.5 µg/m³
  • PM10: 5.05 µg/m³
  • O3: 0.045 ppm
  • NO2: 1.7 ppb
  • SO2: 0.9 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

9 AM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.47 µg/m³
  • PM10: 5.03 µg/m³
  • O3: 0.044 ppm
  • NO2: 2.4 ppb
  • SO2: 1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

10 AM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.35 µg/m³
  • PM10: 4.77 µg/m³
  • O3: 0.044 ppm
  • NO2: 2.6 ppb
  • SO2: 1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.35 µg/m³
  • PM10: 4.56 µg/m³
  • O3: 0.046 ppm
  • NO2: 2.1 ppb
  • SO2: 1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.3 µg/m³
  • PM10: 3.95 µg/m³
  • O3: 0.050 ppm
  • NO2: 1.4 ppb
  • SO2: 0.9 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

1 PM
49 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.64 µg/m³
  • PM10: 4.08 µg/m³
  • O3: 0.053 ppm
  • NO2: 1 ppb
  • SO2: 0.7 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

2 PM
52 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.26 µg/m³
  • PM10: 4.68 µg/m³
  • O3: 0.055 ppm
  • NO2: 0.8 ppb
  • SO2: 0.7 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

3 PM
64 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.49 µg/m³
  • PM10: 4.81 µg/m³
  • O3: 0.058 ppm
  • NO2: 0.6 ppb
  • SO2: 0.6 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

4 PM
72 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.36 µg/m³
  • PM10: 4.56 µg/m³
  • O3: 0.061 ppm
  • NO2: 0.5 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

5 PM
76 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.17 µg/m³
  • PM10: 4.36 µg/m³
  • O3: 0.062 ppm
  • NO2: 0.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

6 PM
58 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.33 µg/m³
  • PM10: 5.56 µg/m³
  • O3: 0.057 ppm
  • NO2: 1.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

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

Pollutant Concentrations:

  • PM2.5: 3.72 µg/m³
  • PM10: 7.74 µg/m³
  • O3: 0.047 ppm
  • NO2: 3.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.01 µg/m³
  • PM10: 9.65 µg/m³
  • O3: 0.041 ppm
  • NO2: 4.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.36 µg/m³
  • PM10: 11.36 µg/m³
  • O3: 0.038 ppm
  • NO2: 5 ppb
  • SO2: 0.2 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.7 µg/m³
  • PM10: 12.71 µg/m³
  • O3: 0.037 ppm
  • NO2: 4.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.18 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: 5.02 µg/m³
  • PM10: 13.92 µg/m³
  • O3: 0.035 ppm
  • NO2: 4.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.18 ppm

Health Recommendations:

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