Stay updated with real-time air quality in Mount Pleasant, South Carolina featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
27
Good
Mount Pleasant, South Carolina
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.11 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.21 μg/m³
0
55
155
255
425
605+
17.02 ppb
0
55
71
86
201
201+
0.40 ppb
0
36
76
186
605
1005+
2.86 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Mount Pleasant, South Carolina
Scroll To Air Quality MapLoading...
AQI 27
Good
5.13μg/m³
PM2.5
13.32μg/m³
PM10
16.88ppb
O3
0.40ppb
SO2
2.86ppb
NO2
0.18ppm
CO
AQI 33
Good
6.05μg/m³
PM2.5
35.77μg/m³
PM10
16.87ppb
O3
0.41ppb
SO2
2.79ppb
NO2
0.18ppm
CO
AQI 27
Good
5.32μg/m³
PM2.5
14.44μg/m³
PM10
16.86ppb
O3
0.40ppb
SO2
2.91ppb
NO2
0.18ppm
CO
AQI 27
Good
5.43μg/m³
PM2.5
15.59μg/m³
PM10
17.01ppb
O3
0.40ppb
SO2
2.92ppb
NO2
0.17ppm
CO
AQI 38
Good
6.89μg/m³
PM2.5
25.83μg/m³
PM10
16.90ppb
O3
0.39ppb
SO2
2.76ppb
NO2
0.17ppm
CO
AQI 38
Good
6.98μg/m³
PM2.5
23.00μg/m³
PM10
18.14ppb
O3
0.39ppb
SO2
2.70ppb
NO2
0.17ppm
CO
The air quality data for South Carolina, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Mount Pleasant, South Carolina are available every hour.
Mount Pleasant, South Carolina experienced its worst air quality at 09:00:00, 2026-03-07.
The best air quality in Mount Pleasant, South Carolina was observed at 03:00:00 on 2026-03-08.
The air quality in Mount Pleasant, South Carolina right now is Good, with an AQI of 27.
In Mount Pleasant, South Carolina, PM2.5 is the most frequently found pollutant.
When air quality in Mount Pleasant, South Carolina is compromised, staying indoors and wearing a mask can reduce health risks.
Mount Pleasant, South Carolina currently has a PM2.5 concentration of 5.109 μg/m3.
Mount Pleasant, South Carolina currently has a PM10 concentration of 14.21 μg/m3.
The current carbon monoxide (CO) level in Mount Pleasant, South Carolina is 0.169 ppm.
The current sulfur dioxide (SO2) concentration in Mount Pleasant, South Carolina is 0.399 ppb.
Mount Pleasant, South Carolina currently has an ozone (O3) concentration of 17.015 ppm.
The current level of nitrogen dioxide (NO2) in Mount Pleasant, South Carolina is 2.856 ppb.
All Rights Reserved © Ambee Inc. 2025