What is the air quality in Charleston today?

The current Air Quality Index (AQI) in Charleston is 26 (Good). PM2.5 concentration is 6.25 µg/m³.

What is the temperature in Charleston right now?

The current temperature in Charleston is 24.0°C (feels like 24.0°C). Humidity is 77.9% and wind speed is 56.6 km/h.

Is it safe to go outside in Charleston?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 5.9 (High).

Air Quality in Charleston, United States

Windy

24.0°C · 77.9% humidity

24.0°

Feels 24.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Model forecast

Nearby Monitoring Stations

AQI Forecast

27 2pm

26 5pm

27 8pm

25 11pm

27 2am

27 5am

25 8am

34 11am

Air Quality Index Trend

34h · 1 stn

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Charleston's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Charleston is 1.2× the WHO annual guideline of 5 µg/m³.

77.9%

Humidity

56.6 km/h

Wind S

1013.4 hPa

Pressure

5.9

UV High

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.25 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Charleston?

Temperature & Precipitation

PM2.5 Trend

34h · 1 station

PM2.56.25 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX5.9

High

Both models agree Avg diff: 2.0°C

What cities are near Charleston?

26 North Charleston 26 Hanahan 26 Goose Creek 25 Summerville 30 Hilton Head 34 Hilton Head Island 31 Bluffton 26 Wilmington Island 33 Sumter 26 Socastee

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-28T21:47 UTC.