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Today Hourly 7 days 30 days Air Quality
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Hourly Weather | Today › Monday, January 26, 2026
Active Weather Warnings
Charleston, South Carolina
1 PM
Cloudy Weather
50°
Feels Like 45°
0
Humidity: 69%
Wind: 15 mph
UV Index: 3
2 PM
Cloudy Weather
52°
Feels Like 46°
0
Humidity: 56%
Wind: 16 mph
UV Index: 3
3 PM
Cloudy Weather
52°
Feels Like 46°
0
Humidity: 51%
Wind: 16 mph
UV Index: 2
4 PM
Cloudy Weather
52°
Feels Like 43°
0
Humidity: 51%
Wind: 16 mph
UV Index: 1
5 PM
Cloudy Weather
48°
Feels Like 39°
0
Humidity: 51%
Wind: 15 mph
UV Index: 0
6 PM
Cloudy Night
46°
Feels Like 37°
0
Humidity: 51%
Wind: 14 mph
UV Index: 0
7 PM
Night
45°
Feels Like 36°
0
Humidity: 53%
Wind: 12 mph
UV Index: 0
8 PM
Night
43°
Feels Like 34°
0
Humidity: 55%
Wind: 10 mph
UV Index: 0
9 PM
Night
41°
Feels Like 34°
0
Humidity: 56%
Wind: 9 mph
UV Index: 0
10 PM
Night
39°
Feels Like 34°
0
Humidity: 55%
Wind: 9 mph
UV Index: 0
11 PM
Night
37°
Feels Like 30°
0
Humidity: 55%
Wind: 9 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 3.53 µg/m³
  • PM10: 4.61 µg/m³
  • O3: 0.035 ppm
  • NO2: 1.7 ppb
  • SO2: 0.7 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.34 µg/m³
  • PM10: 6.41 µg/m³
  • O3: 0.038 ppm
  • NO2: 1.7 ppb
  • SO2: 0.8 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.76 µg/m³
  • PM10: 7.95 µg/m³
  • O3: 0.041 ppm
  • NO2: 1.9 ppb
  • SO2: 1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.57 µg/m³
  • PM10: 8.91 µg/m³
  • O3: 0.042 ppm
  • NO2: 2.2 ppb
  • SO2: 1.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.38 µg/m³
  • PM10: 8.78 µg/m³
  • O3: 0.042 ppm
  • NO2: 2.6 ppb
  • SO2: 1.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.15 µg/m³
  • PM10: 7.48 µg/m³
  • O3: 0.042 ppm
  • NO2: 2.8 ppb
  • SO2: 0.9 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.68 µg/m³
  • PM10: 5.91 µg/m³
  • O3: 0.043 ppm
  • NO2: 2.4 ppb
  • SO2: 0.7 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.16 µg/m³
  • PM10: 4.33 µg/m³
  • O3: 0.045 ppm
  • NO2: 1.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.24 µg/m³
  • PM10: 3.48 µg/m³
  • O3: 0.047 ppm
  • NO2: 1.7 ppb
  • SO2: 0.5 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.79 µg/m³
  • PM10: 3.13 µg/m³
  • O3: 0.049 ppm
  • NO2: 1.5 ppb
  • SO2: 0.5 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.72 µg/m³
  • PM10: 3.12 µg/m³
  • O3: 0.050 ppm
  • NO2: 1.4 ppb
  • SO2: 0.5 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

Current Real-Time Air Quality Report

Weather Alerts and Warnings for Charleston

Moderate Expected Likely

Cold Weather Advisory

Cold Weather Advisory issued January 26 at 6:28AM EST until January 27 at 9:00AM EST by NWS Charleston SC
Jan 26, 10:00 PM → Jan 27, 9:00 AM
WHAT: Very cold wind chills in the low to mid teens expected.

WHERE: Portions of southeast Georgia and southeast South Carolina.

WHEN: From 10 PM this evening to 9 AM EST Tuesday.

IMPACTS: Very cold temperatures can lead to hypothermia with
prolonged exposure.
+ Read More
Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.
Updated: Jan 26, 11:30 AM Source: NWS Alert