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)
38
Good
Mount Pleasant, South Carolina
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.22 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.43 μg/m³
0
55
155
255
425
605+
33.11 ppb
0
55
71
86
201
201+
0.14 ppb
0
36
76
186
605
1005+
2.26 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Mount Pleasant, South Carolina
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AQI 44
Good
7.51μg/m³
PM2.5
17.60μg/m³
PM10
35.39ppb
O3
0.14ppb
SO2
2.20ppb
NO2
0.16ppm
CO
AQI 38
Good
7.46μg/m³
PM2.5
19.73μg/m³
PM10
36.72ppb
O3
0.21ppb
SO2
2.39ppb
NO2
0.16ppm
CO
AQI 38
Good
7.47μg/m³
PM2.5
18.05μg/m³
PM10
34.41ppb
O3
0.12ppb
SO2
2.12ppb
NO2
0.16ppm
CO
AQI 38
Good
7.42μg/m³
PM2.5
19.37μg/m³
PM10
33.64ppb
O3
0.13ppb
SO2
2.12ppb
NO2
0.16ppm
CO
AQI 44
Good
7.71μg/m³
PM2.5
23.08μg/m³
PM10
33.01ppb
O3
0.18ppb
SO2
2.47ppb
NO2
0.16ppm
CO
AQI 38
Good
7.46μg/m³
PM2.5
31.31μg/m³
PM10
33.07ppb
O3
0.20ppb
SO2
2.59ppb
NO2
0.16ppm
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 05:00:00, 2026-03-09.
The best air quality in Mount Pleasant, South Carolina was observed at 12:00:00 on 2026-03-09.
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 7.221 μg/m3.
Mount Pleasant, South Carolina currently has a PM10 concentration of 19.428 μg/m3.
The current carbon monoxide (CO) level in Mount Pleasant, South Carolina is 0.188 ppm.
The current sulfur dioxide (SO2) concentration in Mount Pleasant, South Carolina is 0.142 ppb.
Mount Pleasant, South Carolina currently has an ozone (O3) concentration of 33.106 ppm.
The current level of nitrogen dioxide (NO2) in Mount Pleasant, South Carolina is 2.261 ppb.
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