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)
44
Good
Mount Pleasant, South Carolina
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.44 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.95 μg/m³
0
55
155
255
425
605+
10.70 ppb
0
55
71
86
201
201+
0.56 ppb
0
36
76
186
605
1005+
6.57 ppb
0
54
101
361
1250
2050+
0.32 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Mount Pleasant, South Carolina
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AQI 49
Good
8.57μg/m³
PM2.5
17.23μg/m³
PM10
10.38ppb
O3
0.56ppb
SO2
6.62ppb
NO2
0.32ppm
CO
AQI 44
Good
7.63μg/m³
PM2.5
25.40μg/m³
PM10
11.49ppb
O3
0.51ppb
SO2
6.59ppb
NO2
0.32ppm
CO
AQI 44
Good
8.33μg/m³
PM2.5
23.17μg/m³
PM10
10.68ppb
O3
0.58ppb
SO2
6.77ppb
NO2
0.32ppm
CO
AQI 44
Good
8.15μg/m³
PM2.5
28.08μg/m³
PM10
10.98ppb
O3
0.58ppb
SO2
6.83ppb
NO2
0.32ppm
CO
AQI 44
Good
7.94μg/m³
PM2.5
25.60μg/m³
PM10
9.90ppb
O3
0.53ppb
SO2
5.82ppb
NO2
0.32ppm
CO
AQI 44
Good
8.19μg/m³
PM2.5
18.54μg/m³
PM10
10.01ppb
O3
0.49ppb
SO2
5.80ppb
NO2
0.32ppm
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 01:00:00, 2025-12-06.
The best air quality in Mount Pleasant, South Carolina was observed at 03:00:00 on 2025-12-06.
The air quality in Mount Pleasant, South Carolina right now is Good, with an AQI of 38.
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 6.708 μg/m3.
Mount Pleasant, South Carolina currently has a PM10 concentration of 19.922 μg/m3.
The current carbon monoxide (CO) level in Mount Pleasant, South Carolina is 0.375 ppm.
The current sulfur dioxide (SO2) concentration in Mount Pleasant, South Carolina is 0.604 ppb.
Mount Pleasant, South Carolina currently has an ozone (O3) concentration of 12.871 ppm.
The current level of nitrogen dioxide (NO2) in Mount Pleasant, South Carolina is 8.48 ppb.
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