Hourly Weather | Today Wednesday, March 18, 2026
Charleston, West Virginia
8 AM
Cloudy Weather
19°
Feels Like 18°
1
Frost Risk: 100%
Humidity: 84%
UV Index: 0
Wind: 4 mph
9 AM
Cloudy Weather
23°
Feels Like 23°
1
Frost Risk: 67%
Humidity: 69%
UV Index: 1
Wind: 4 mph
10 AM
Cloudy Weather
27°
Feels Like 27°
2
Humidity: 59%
UV Index: 1
Wind: 6 mph
11 AM
Cloudy Weather
34°
Feels Like 34°
3
Humidity: 48%
UV Index: 1
Wind: 6 mph
12 PM
Cloudy Weather
37°
Feels Like 37°
3
Humidity: 41%
UV Index: 2
Wind: 6 mph
1 PM
Cloudy Weather
39°
Feels Like 39°
6
Humidity: 37%
UV Index: 2
Wind: 7 mph
2 PM
Cloudy Weather
43°
Feels Like 41°
12
Humidity: 34%
UV Index: 2
Wind: 7 mph
3 PM
Cloudy Weather
43°
Feels Like 41°
12
Humidity: 34%
UV Index: 2
Wind: 8 mph
4 PM
Cloudy Weather
46°
Feels Like 43°
16
Humidity: 33%
UV Index: 1
Wind: 7 mph
5 PM
Cloudy Weather
45°
Feels Like 41°
43
Humidity: 37%
UV Index: 1
Wind: 7 mph
6 PM
Cloudy Weather
45°
Feels Like 41°
47
Humidity: 39%
UV Index: 0
Wind: 7 mph
7 PM
Rainy Weather
43°
Feels Like 37°
51
Humidity: 45%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Weather
41°
Feels Like 37°
18
Humidity: 52%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Weather
39°
Feels Like 36°
14
Humidity: 57%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Weather
37°
Feels Like 34°
14
Humidity: 63%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Weather
37°
Feels Like 34°
14
Humidity: 63%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 3.18 µg/m³
  • PM10: 3.66 µg/m³
  • O3: 0.044 ppm
  • NO2: 1.9 ppb
  • SO2: 0.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.31 µg/m³
  • PM10: 3.86 µg/m³
  • O3: 0.044 ppm
  • NO2: 2.7 ppb
  • SO2: 0.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.34 µg/m³
  • PM10: 3.96 µg/m³
  • O3: 0.044 ppm
  • NO2: 3.3 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.39 µg/m³
  • PM10: 4.02 µg/m³
  • O3: 0.045 ppm
  • NO2: 2.9 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.02 µg/m³
  • PM10: 3.54 µg/m³
  • O3: 0.052 ppm
  • NO2: 1.7 ppb
  • SO2: 0.7 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

1 PM
55 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.09 µg/m³
  • PM10: 3.52 µg/m³
  • O3: 0.056 ppm
  • NO2: 1.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

2 PM
64 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.41 µg/m³
  • PM10: 3.8 µg/m³
  • O3: 0.059 ppm
  • NO2: 0.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

3 PM
75 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.48 µg/m³
  • PM10: 3.85 µg/m³
  • O3: 0.062 ppm
  • NO2: 0.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

4 PM
77 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.13 µg/m³
  • PM10: 3.49 µg/m³
  • O3: 0.063 ppm
  • NO2: 0.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

5 PM
77 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.62 µg/m³
  • PM10: 2.98 µg/m³
  • O3: 0.063 ppm
  • NO2: 0.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

6 PM
76 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.25 µg/m³
  • PM10: 2.63 µg/m³
  • O3: 0.062 ppm
  • NO2: 1 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

7 PM
71 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.07 µg/m³
  • PM10: 2.48 µg/m³
  • O3: 0.061 ppm
  • NO2: 1.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

8 PM
66 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.8 µg/m³
  • PM10: 2.26 µg/m³
  • O3: 0.059 ppm
  • NO2: 2.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

9 PM
61 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.59 µg/m³
  • PM10: 2.1 µg/m³
  • O3: 0.057 ppm
  • NO2: 2.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

10 PM
58 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.49 µg/m³
  • PM10: 2.03 µg/m³
  • O3: 0.057 ppm
  • NO2: 2 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

11 PM
58 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.47 µg/m³
  • PM10: 2.04 µg/m³
  • O3: 0.056 ppm
  • NO2: 1.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.