Hourly Weather | Today Thursday, July 23, 2026
Greenville, South Carolina
9 AM
Stormy Weather
79°
Feels Like 84°
61
Humidity: 89%
UV Index: 1
Wind: 7 mph
10 AM
Cloudy Weather
79°
Feels Like 88°
49
Humidity: 86%
UV Index: 1
Wind: 8 mph
11 AM
Cloudy Weather
81°
Feels Like 90°
49
Humidity: 83%
UV Index: 2
Wind: 8 mph
12 PM
Stormy Weather
81°
Feels Like 88°
56
Humidity: 79%
UV Index: 2
Wind: 8 mph
1 PM
Cloudy Weather
82°
Feels Like 93°
49
Humidity: 76%
UV Index: 4
Wind: 8 mph
2 PM
Cloudy Weather
82°
Feels Like 93°
34
Humidity: 73%
UV Index: 3
Wind: 7 mph
3 PM
Cloudy Weather
82°
Feels Like 91°
34
Humidity: 76%
UV Index: 2
Wind: 8 mph
4 PM
Cloudy Weather
81°
Feels Like 88°
39
Humidity: 79%
UV Index: 2
Wind: 9 mph
5 PM
Cloudy Weather
79°
Feels Like 84°
49
Humidity: 83%
UV Index: 1
Wind: 10 mph
6 PM
Stormy Weather
79°
Feels Like 79°
56
Humidity: 87%
UV Index: 1
Wind: 9 mph
7 PM
Cloudy Weather
75°
Feels Like 81°
49
Humidity: 89%
UV Index: 0
Wind: 8 mph
8 PM
Cloudy Weather
75°
Feels Like 81°
20
Humidity: 89%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Weather
73°
Feels Like 79°
20
Humidity: 91%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Weather
73°
Feels Like 75°
20
Humidity: 95%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Weather
72°
Feels Like 75°
20
Humidity: 93%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 2.35 µg/m³
  • PM10: 4.67 µg/m³
  • O3: 0.014 ppm
  • NO2: 1.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.6 µg/m³
  • PM10: 5.31 µg/m³
  • O3: 0.015 ppm
  • NO2: 1.9 ppb
  • SO2: 0.6 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.79 µg/m³
  • PM10: 5.89 µg/m³
  • O3: 0.016 ppm
  • NO2: 2 ppb
  • SO2: 0.8 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.57 µg/m³
  • PM10: 5.63 µg/m³
  • O3: 0.021 ppm
  • NO2: 1.5 ppb
  • SO2: 0.7 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.2 µg/m³
  • PM10: 4.9 µg/m³
  • O3: 0.026 ppm
  • NO2: 1.1 ppb
  • SO2: 0.6 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.12 µg/m³
  • PM10: 4.66 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.9 ppb
  • SO2: 0.5 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: 2.02 µg/m³
  • PM10: 4.3 µg/m³
  • O3: 0.032 ppm
  • NO2: 0.7 ppb
  • SO2: 0.5 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.76 µg/m³
  • PM10: 3.67 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.7 ppb
  • SO2: 0.5 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.53 µg/m³
  • PM10: 3.14 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.8 ppb
  • SO2: 0.5 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: 1.43 µg/m³
  • PM10: 2.89 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.1 ppb
  • SO2: 0.5 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.47 µg/m³
  • PM10: 2.99 µg/m³
  • O3: 0.029 ppm
  • NO2: 1.6 ppb
  • SO2: 0.5 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.56 µg/m³
  • PM10: 3.15 µg/m³
  • O3: 0.026 ppm
  • NO2: 1.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.63 µg/m³
  • PM10: 3.27 µg/m³
  • O3: 0.023 ppm
  • NO2: 2.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.73 µg/m³
  • PM10: 3.49 µg/m³
  • O3: 0.019 ppm
  • NO2: 2.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.83 µg/m³
  • PM10: 3.76 µg/m³
  • O3: 0.016 ppm
  • NO2: 2.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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