Hourly Weather | Today Wednesday, August 12, 2026
Greenville, South Carolina
11 AM
Cloudy Weather
86°
Feels Like 99°
20
Humidity: 62%
UV Index: 7
Wind: 6 mph
12 PM
Cloudy Weather
90°
Feels Like 102°
20
Humidity: 55%
UV Index: 9
Wind: 6 mph
1 PM
Cloudy Weather
91°
Feels Like 106°
25
Humidity: 50%
UV Index: 10
Wind: 7 mph
2 PM
Sunny with a Chance of Thunderstorms
93°
Feels Like 100°
51
Humidity: 48%
UV Index: 5
Wind: 7 mph
3 PM
Cloudy Weather
95°
Feels Like 102°
47
Humidity: 45%
UV Index: 6
Wind: 8 mph
4 PM
Cloudy Weather
91°
Feels Like 99°
34
Humidity: 48%
UV Index: 3
Wind: 8 mph
5 PM
Cloudy Weather
90°
Feels Like 95°
15
Humidity: 53%
UV Index: 2
Wind: 8 mph
6 PM
Cloudy Weather
88°
Feels Like 93°
15
Humidity: 56%
UV Index: 1
Wind: 8 mph
7 PM
Cloudy Weather
86°
Feels Like 90°
19
Humidity: 62%
UV Index: 1
Wind: 8 mph
8 PM
Sunny with a Chance of Thunderstorms
82°
Feels Like 84°
51
Humidity: 69%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Night
81°
Feels Like 86°
47
Humidity: 73%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Night
79°
Feels Like 82°
40
Humidity: 79%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
79°
Feels Like 82°
34
Humidity: 81%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

11 AM
35 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.31 µg/m³
  • PM10: 9.81 µg/m³
  • O3: 0.027 ppm
  • NO2: 1.4 ppb
  • SO2: 0.5 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.32 µg/m³
  • PM10: 6.12 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.71 µg/m³
  • PM10: 4.23 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.37 µg/m³
  • PM10: 3.82 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.25 µg/m³
  • PM10: 3.68 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.27 µg/m³
  • PM10: 3.71 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.31 µg/m³
  • PM10: 3.78 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.51 µg/m³
  • PM10: 4.18 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.8 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
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4 µg/m³
  • PM10: 4.99 µg/m³
  • O3: 0.033 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.

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

Pollutant Concentrations:

  • PM2.5: 4.73 µg/m³
  • PM10: 5.95 µg/m³
  • O3: 0.030 ppm
  • NO2: 1.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.4 µg/m³
  • PM10: 6.81 µg/m³
  • O3: 0.025 ppm
  • NO2: 1.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

10 PM
25 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.11 µg/m³
  • PM10: 7.8 µg/m³
  • O3: 0.022 ppm
  • NO2: 1.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.69 µg/m³
  • PM10: 8.59 µg/m³
  • O3: 0.019 ppm
  • NO2: 1.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

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