Today | Weather | Tuesday, December 30, 2025

Weather in Charleston, South Carolina

12:11 AM
Now
Cloudy Night
46° F
Feels Like 37°
Precipitation 0 %
Wind 15 mph
Humidity 45 %
Today
Cloudy Weather
Day 48°
Night 37°
Precipitation 1 %
Wind 8 mph
UV Index (0 - 11+) 3

Charleston Weather Forecast Updated

11 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (December 30, 2024)
Cloudy Weather

Day

66°

Night

46°

Wind

6 mph

UV Index

3

Precipitation

25 %

Air Quality in Charleston

NOW
39 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.45 µg/m³
PM10 2.79 µg/m³
O3 0.042 ppm
NO2 1.3 ppb
SO2 0.5 ppb
CO 0.14 ppm
NH3 0.7 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

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

Show raw pollutant concentrations (µg/m³)
PM2.51.45 µg/m³
PM102.79 µg/m³
O382.52 µg/m³
NO22.39 µg/m³
SO21.26 µg/m³
CO159.51 µg/m³
NH30.7 µg/m³
NO0 µg/m³