Hourly Weather | Today Sunday, April 26, 2026
Charleston, South Carolina
6 AM
Cloudy Night
70°
Feels Like 70°
47
Humidity: 100%
UV Index: 0
Wind: 7 mph
7 AM
Cloudy Weather
70°
Feels Like 70°
40
Humidity: 89%
UV Index: 0
Wind: 7 mph
8 AM
Cloudy Weather
70°
Feels Like 72°
34
Humidity: 85%
UV Index: 1
Wind: 6 mph
9 AM
Cloudy Weather
72°
Feels Like 73°
34
Humidity: 84%
UV Index: 1
Wind: 6 mph
10 AM
Cloudy Weather
72°
Feels Like 75°
37
Humidity: 81%
UV Index: 2
Wind: 6 mph
11 AM
Cloudy Weather
73°
Feels Like 79°
43
Humidity: 79%
UV Index: 3
Wind: 6 mph
12 PM
Cloudy Weather
73°
Feels Like 81°
47
Humidity: 76%
UV Index: 4
Wind: 6 mph
1 PM
Sunny with a Chance of Thunderstorms
72°
Feels Like 75°
51
Humidity: 88%
UV Index: 4
Wind: 6 mph
2 PM
Cloudy Weather
75°
Feels Like 84°
40
Humidity: 75%
UV Index: 4
Wind: 6 mph
3 PM
Cloudy Weather
75°
Feels Like 81°
34
Humidity: 78%
UV Index: 3
Wind: 7 mph
4 PM
Cloudy Weather
73°
Feels Like 77°
37
Humidity: 75%
UV Index: 2
Wind: 7 mph
5 PM
Cloudy Weather
73°
Feels Like 73°
43
Humidity: 78%
UV Index: 1
Wind: 8 mph
6 PM
Cloudy Weather
72°
Feels Like 72°
47
Humidity: 78%
UV Index: 1
Wind: 9 mph
7 PM
Sunny with a Chance of Thunderstorms
70°
Feels Like 64°
51
Humidity: 84%
UV Index: 0
Wind: 10 mph
8 PM
Cloudy Weather
70°
Feels Like 66°
16
Humidity: 83%
UV Index: 0
Wind: 12 mph
9 PM
Cloudy Night
66°
Feels Like 64°
12
Humidity: 88%
UV Index: 0
Wind: 10 mph
10 PM
Cloudy Night
66°
Feels Like 64°
12
Humidity: 86%
UV Index: 0
Wind: 10 mph
11 PM
Cloudy Weather
66°
Feels Like 63°
12
Humidity: 84%
UV Index: 0
Wind: 9 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 6.33 µg/m³
  • PM10: 11.13 µg/m³
  • O3: 0.039 ppm
  • NO2: 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.

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

Pollutant Concentrations:

  • PM2.5: 5.13 µg/m³
  • PM10: 8.77 µg/m³
  • O3: 0.035 ppm
  • NO2: 1.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.91 µg/m³
  • PM10: 6.68 µg/m³
  • O3: 0.032 ppm
  • NO2: 1.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.91 µg/m³
  • PM10: 4.82 µg/m³
  • O3: 0.030 ppm
  • NO2: 1.2 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 AM
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.25 µg/m³
  • PM10: 3.73 µg/m³
  • O3: 0.029 ppm
  • NO2: 1.1 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 AM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.91 µg/m³
  • PM10: 3.27 µg/m³
  • O3: 0.030 ppm
  • NO2: 0.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.87 µg/m³
  • PM10: 3.34 µg/m³
  • O3: 0.032 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.03 µg/m³
  • PM10: 3.6 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.21 µg/m³
  • PM10: 3.79 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.42 µg/m³
  • PM10: 4.05 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.75 µg/m³
  • PM10: 4.46 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.7 ppb
  • SO2: 0.2 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: 3.18 µg/m³
  • PM10: 4.94 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.65 µg/m³
  • PM10: 5.45 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.02 µg/m³
  • PM10: 5.87 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.33 µg/m³
  • PM10: 6.23 µg/m³
  • O3: 0.039 ppm
  • NO2: 1.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.61 µg/m³
  • PM10: 6.61 µg/m³
  • O3: 0.039 ppm
  • NO2: 1.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.86 µg/m³
  • PM10: 7.01 µg/m³
  • O3: 0.038 ppm
  • NO2: 1.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.04 µg/m³
  • PM10: 7.33 µg/m³
  • O3: 0.038 ppm
  • NO2: 1.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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