Hourly Weather | Today Thursday, February 26, 2026
Greenville, South Carolina
3 AM
Rainy Weather
48°
Feels Like 43°
69
Humidity: 100%
UV Index: 0
Wind: 8 mph
4 AM
Rainy Weather
48°
Feels Like 43°
75
Humidity: 100%
UV Index: 0
Wind: 9 mph
5 AM
Rainy Weather
48°
Feels Like 41°
85
Humidity: 100%
UV Index: 0
Wind: 9 mph
6 AM
Rainy Weather
52°
Feels Like 43°
85
Humidity: 100%
UV Index: 0
Wind: 10 mph
7 AM
Cloudy Weather
52°
Feels Like 43°
49
Humidity: 97%
UV Index: 0
Wind: 18 mph
8 AM
Cloudy Weather
54°
Feels Like 46°
49
Humidity: 93%
UV Index: 0
Wind: 18 mph
9 AM
Rainy Weather
55°
Feels Like 45°
59
Humidity: 89%
UV Index: 1
Wind: 20 mph
10 AM
Rainy Weather
57°
Feels Like 46°
75
Humidity: 88%
UV Index: 1
Wind: 21 mph
11 AM
Rainy Weather
57°
Feels Like 48°
75
Humidity: 85%
UV Index: 1
Wind: 21 mph
12 PM
Rainy Weather
59°
Feels Like 48°
75
Humidity: 82%
UV Index: 1
Wind: 21 mph
1 PM
Rainy Weather
61°
Feels Like 50°
68
Humidity: 79%
UV Index: 1
Wind: 21 mph
2 PM
Rainy Weather
61°
Feels Like 52°
68
Humidity: 80%
UV Index: 1
Wind: 21 mph
3 PM
Cloudy Weather
63°
Feels Like 57°
49
Humidity: 73%
UV Index: 1
Wind: 20 mph
4 PM
Cloudy Weather
64°
Feels Like 59°
49
Humidity: 68%
UV Index: 0
Wind: 20 mph
5 PM
Rainy Weather
63°
Feels Like 54°
68
Humidity: 75%
UV Index: 0
Wind: 18 mph
6 PM
Rainy Weather
61°
Feels Like 52°
68
Humidity: 80%
UV Index: 0
Wind: 17 mph
7 PM
Cloudy Weather
61°
Feels Like 54°
49
Humidity: 78%
UV Index: 0
Wind: 20 mph
8 PM
Cloudy Weather
59°
Feels Like 52°
49
Humidity: 79%
UV Index: 0
Wind: 18 mph
9 PM
Rainy Weather
57°
Feels Like 46°
59
Humidity: 80%
UV Index: 0
Wind: 17 mph
10 PM
Rainy Weather
55°
Feels Like 46°
65
Humidity: 82%
UV Index: 0
Wind: 17 mph
11 PM
Rainy Weather
55°
Feels Like 45°
65
Humidity: 83%
UV Index: 0
Wind: 16 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 4.29 µg/m³
  • PM10: 9.03 µg/m³
  • O3: 0.045 ppm
  • NO2: 1.1 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.26 µg/m³
  • PM10: 8.89 µg/m³
  • O3: 0.045 ppm
  • NO2: 1 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.2 µg/m³
  • PM10: 8.3 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.9 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 AM
42 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.17 µg/m³
  • PM10: 7.68 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.2 µg/m³
  • PM10: 7.26 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 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: 4.17 µg/m³
  • PM10: 6.86 µg/m³
  • O3: 0.044 ppm
  • NO2: 1.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4 µg/m³
  • PM10: 6.29 µg/m³
  • O3: 0.043 ppm
  • NO2: 1.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.81 µg/m³
  • PM10: 5.72 µg/m³
  • O3: 0.043 ppm
  • NO2: 1.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.46 µg/m³
  • PM10: 4.8 µg/m³
  • O3: 0.044 ppm
  • NO2: 1.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.18 µg/m³
  • PM10: 4.19 µg/m³
  • O3: 0.044 ppm
  • NO2: 1.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.04 µg/m³
  • PM10: 4.03 µg/m³
  • O3: 0.044 ppm
  • NO2: 1.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.95 µg/m³
  • PM10: 3.91 µg/m³
  • O3: 0.043 ppm
  • NO2: 1.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.84 µg/m³
  • PM10: 3.62 µg/m³
  • O3: 0.042 ppm
  • NO2: 1.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.63 µg/m³
  • PM10: 3.27 µg/m³
  • O3: 0.040 ppm
  • NO2: 1.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.47 µg/m³
  • PM10: 3.21 µg/m³
  • O3: 0.038 ppm
  • NO2: 2.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.47 µg/m³
  • PM10: 3.51 µg/m³
  • O3: 0.035 ppm
  • NO2: 2.7 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
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.55 µg/m³
  • PM10: 3.83 µg/m³
  • O3: 0.033 ppm
  • NO2: 3.1 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
29 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.66 µg/m³
  • PM10: 4.21 µg/m³
  • O3: 0.031 ppm
  • NO2: 3.3 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
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.82 µg/m³
  • PM10: 4.72 µg/m³
  • O3: 0.029 ppm
  • NO2: 3.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 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: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.22 µg/m³
  • PM10: 5.35 µg/m³
  • O3: 0.027 ppm
  • NO2: 3.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.76 µg/m³
  • PM10: 6.04 µg/m³
  • O3: 0.025 ppm
  • NO2: 3.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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