Today | Weather | Monday, June 29, 2026

Weather in Mount Pleasant, South Carolina

09:09 PM
Now
Stormy Weather
82° F
Feels Like 91°
Precipitation 44 %
Wind 6 mph
Humidity 84 %
Today
Stormy Weather
Day 93°
Night 75°
Precipitation 49 %
Wind 6 mph

Mount Pleasant Weather Forecast Updated

Last updated on

Air Quality in Mount Pleasant

NOW
48 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 7.95 µg/m³
PM10 10.9 µg/m³
O3 0.052 ppm
NO2 1 ppb
SO2 0.5 ppb
CO 0.11 ppm
NH3 0.21 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)
PM2.57.95 µg/m³
PM1010.9 µg/m³
O3101.6 µg/m³
NO21.95 µg/m³
SO21.22 µg/m³
CO123.91 µg/m³
NH30.21 µg/m³
NO0 µg/m³