Air Quality in Charleston, United States
Windy
33.6°C · 47.3% humidity
33.6°
Feels 37.7°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Charleston's air quality — share it
AQI Forecast
25
9am
25
27
27
12pm
27
27
27
3pm
27
27
27
6pm
27
27
27
9pm
27
27
27
12am
27
27
27
3am
27
25
25
6am
27
27
Air Quality Index Trend
37h · 2 stnCharleston's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
47.3%
Humidity
45.8 km/h
Wind SSW
1019.1 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.5 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Charleston?
Temperature & Precipitation
PM2.5 Trend
37h · 2 stationsPM2.56.5 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX24.9
Extreme
What is the 7-day forecast for Charleston?
09-05
33.6° 26.1°
4.31 mm
09-06
28.5° 25.8°
09-07
28.9° 21.9°
3.0 mm
09-08
34.0° 22.2°
09-09
30.8° 18.5°
2.56 mm
09-10
36.5° 25.7°
0.62 mm
09-11
34.1° 23.8°
Both models agree
Avg diff: 2.2°C
What cities are near Charleston?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T16:40 UTC.