Hourly Weather | Today Tuesday, August 25, 2026
Charleston, South Carolina
2 AM
Cloudy Night
79°
Feels Like 88°
19
Humidity: 92%
UV Index: 0
Wind: 6 mph
3 AM
Cloudy Night
79°
Feels Like 90°
19
Humidity: 98%
UV Index: 0
Wind: 6 mph
4 AM
Cloudy Night
77°
Feels Like 88°
19
Humidity: 99%
UV Index: 0
Wind: 6 mph
5 AM
Cloudy Night
77°
Feels Like 88°
19
Humidity: 100%
UV Index: 0
Wind: 5 mph
6 AM
Cloudy Night
75°
Feels Like 86°
19
Humidity: 100%
UV Index: 0
Wind: 5 mph
7 AM
Cloudy Weather
77°
Feels Like 88°
14
Humidity: 97%
UV Index: 0
Wind: 5 mph
8 AM
Cloudy Weather
79°
Feels Like 91°
4
Humidity: 93%
UV Index: 1
Wind: 5 mph
9 AM
Cloudy Weather
81°
Feels Like 93°
4
Humidity: 88%
UV Index: 2
Wind: 5 mph
10 AM
Cloudy Weather
82°
Feels Like 99°
3
Humidity: 81%
UV Index: 3
Wind: 5 mph
11 AM
Cloudy Weather
84°
Feels Like 100°
2
Humidity: 76%
UV Index: 5
Wind: 6 mph
12 PM
Cloudy Weather
88°
Feels Like 102°
2
Humidity: 72%
UV Index: 7
Wind: 6 mph
1 PM
Cloudy Weather
90°
Feels Like 106°
5
Humidity: 67%
UV Index: 7
Wind: 7 mph
2 PM
Stormy Weather
88°
Feels Like 100°
51
Humidity: 76%
UV Index: 3
Wind: 8 mph
3 PM
Cloudy Weather
86°
Feels Like 99°
47
Humidity: 74%
UV Index: 3
Wind: 8 mph
4 PM
Cloudy Weather
84°
Feels Like 97°
36
Humidity: 77%
UV Index: 3
Wind: 8 mph
5 PM
Cloudy Weather
84°
Feels Like 95°
20
Humidity: 80%
UV Index: 1
Wind: 8 mph
6 PM
Cloudy Weather
82°
Feels Like 93°
20
Humidity: 81%
UV Index: 1
Wind: 7 mph
7 PM
Cloudy Weather
81°
Feels Like 90°
24
Humidity: 86%
UV Index: 0
Wind: 7 mph
8 PM
Cloudy Night
81°
Feels Like 90°
34
Humidity: 87%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
79°
Feels Like 88°
34
Humidity: 90%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Weather
79°
Feels Like 88°
37
Humidity: 94%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Weather
79°
Feels Like 90°
47
Humidity: 92%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

2 AM
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.52 µg/m³
  • PM10: 10.02 µg/m³
  • O3: 0.041 ppm
  • NO2: 1 ppb
  • SO2: 0.6 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.28 µg/m³
  • PM10: 9.16 µg/m³
  • O3: 0.039 ppm
  • NO2: 1 ppb
  • SO2: 0.6 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.01 µg/m³
  • PM10: 8.3 µg/m³
  • O3: 0.038 ppm
  • NO2: 1 ppb
  • SO2: 0.6 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.76 µg/m³
  • PM10: 7.59 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.9 ppb
  • SO2: 0.6 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.57 µg/m³
  • PM10: 6.91 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.8 ppb
  • SO2: 0.6 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.52 µg/m³
  • PM10: 6.71 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.6 µg/m³
  • PM10: 6.79 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.78 µg/m³
  • PM10: 7.01 µg/m³
  • O3: 0.036 ppm
  • NO2: 1 ppb
  • SO2: 0.6 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.03 µg/m³
  • PM10: 7.29 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.9 ppb
  • SO2: 0.6 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.43 µg/m³
  • PM10: 7.71 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.8 ppb
  • SO2: 0.6 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.09 µg/m³
  • PM10: 8.46 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.7 ppb
  • SO2: 0.6 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.91 µg/m³
  • PM10: 9.55 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.6 ppb
  • SO2: 0.6 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.83 µg/m³
  • PM10: 10.81 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.6 ppb
  • SO2: 0.6 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.54 µg/m³
  • PM10: 11.64 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.7 ppb
  • SO2: 0.6 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.85 µg/m³
  • PM10: 11.84 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.7 ppb
  • SO2: 0.6 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.88 µg/m³
  • PM10: 11.75 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.7 ppb
  • SO2: 0.6 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.47 µg/m³
  • PM10: 11.01 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.7 ppb
  • SO2: 0.6 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.1 µg/m³
  • PM10: 10.46 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.8 ppb
  • SO2: 0.6 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.72 µg/m³
  • PM10: 9.93 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.9 ppb
  • SO2: 0.6 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.36 µg/m³
  • PM10: 9.55 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.14 µg/m³
  • PM10: 9.44 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.92 µg/m³
  • PM10: 9.39 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.11 ppm

Health Recommendations:

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