Today | Weather | Wednesday, December 24, 2025

Weather in Mount Pleasant, South Carolina

01:06 PM
Now
Cloudy Weather
73° F
Feels Like 75°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 3
Humidity 56 %
Today
Sunny Weather
Day 75°
Night 50°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 3

Mount Pleasant Weather Forecast Updated

Last updated on

Air Quality in Mount Pleasant

NOW
51 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 12.35 µg/m³
PM10 21.07 µg/m³
O3 0.038 ppm
NO2 1.3 ppb
SO2 0.5 ppb
CO 0.15 ppm
NH3 0.15 µg/m³
NO 0.6 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.512.35 µg/m³
PM1021.07 µg/m³
O375.25 µg/m³
NO22.52 µg/m³
SO21.37 µg/m³
CO174.79 µg/m³
NH30.15 µg/m³
NO0.6 µg/m³