Today | Weather | Thursday, October 30, 2025

Weather in Charleston, South Carolina

02:38 PM

Now

64° F

Feels Like 63°

Precipitation 0 %

Wind 14 mph

UV Index (0 - 11+) 3

Humidity 54 %

Today

Day 64°

Night 46°

Precipitation 0 %

Wind 13 mph

UV Index (0 - 11+) 4

Charleston Weather Forecast Updated

42 minutes ago

Last updated on October 30, 2025 1:55 PM

Weather Forecast History

Last Year's Weather on This Day (October 30, 2024)

Day

75°

Night

64°

Wind

4 mph

Precipitation

Air Quality in Charleston

NOW

34 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 2.8 µg/m³

PM₁₀ 4.06 µg/m³

O₃ 0.037 ppm

NO₂ 0.3 ppb

SO₂ 0.1 ppb

CO 0.12 ppm

NH₃ 0.61 µg/m³

NO 0.12 µg/m³

PM_2.5 – 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)

PM_2.5 – 2.8 µg/m³

PM₁₀ – 4.06 µg/m³

O₃ – 72.66 µg/m³

NO₂ – 0.58 µg/m³

SO₂ – 0.34 µg/m³

CO – 136.28 µg/m³

NH₃ – 0.61 µg/m³

NO – 0.12 µg/m³

View Hourly Air Quality Forecast