Stay updated with real-time air quality in Sumter, 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)
67
Moderate
Sumter, South Carolina
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
18.16 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
80.69 μg/m³
0
55
155
255
425
605+
14.74 ppb
0
55
71
86
201
201+
2.54 ppb
0
36
76
186
605
1005+
4.31 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Sumter, South Carolina
Sumter, South Carolina
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AQI 49
Good
8.77μg/m³
PM2.5
39.79μg/m³
PM10
8.94ppb
O3
0.20ppb
SO2
3.65ppb
NO2
0.21ppm
CO
AQI 44
Good
8.06μg/m³
PM2.5
36.41μg/m³
PM10
8.95ppb
O3
0.20ppb
SO2
3.79ppb
NO2
0.21ppm
CO
AQI 54
Moderate
11.39μg/m³
PM2.5
50.96μg/m³
PM10
7.56ppb
O3
0.24ppb
SO2
4.97ppb
NO2
0.31ppm
CO
AQI 38
Good
7.33μg/m³
PM2.5
32.84μg/m³
PM10
8.96ppb
O3
0.20ppb
SO2
3.94ppb
NO2
0.22ppm
CO
AQI 62
Moderate
15.38μg/m³
PM2.5
68.77μg/m³
PM10
14.88ppb
O3
2.71ppb
SO2
3.39ppb
NO2
0.23ppm
CO
AQI 38
Good
7.35μg/m³
PM2.5
25.98μg/m³
PM10
9.04ppb
O3
0.20ppb
SO2
4.37ppb
NO2
0.24ppm
CO
Air quality data and pollutant measurements for South Carolina, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Sumter, South Carolina is updated every hour.
The worst air quality in Sumter, South Carolina in the last 24 hours was observed at 02:00:00 on 2025-12-07.
In the last 24 hrs, the best air quality in Sumter, South Carolina was observed at 04:00:00 on 2025-12-06.
The current air quality in Sumter, South Carolina is 67, categorized as Moderate based on real-time data.
The most common pollutant in Sumter, South Carolina is PM2.5.
If the air quality in Sumter, South Carolina is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Sumter, South Carolina is 18.161 μg/m3.
The current PM10 concentration at Sumter, South Carolina is 80.695 μg/m3.
The current carbon monoxide (CO) concentration at Sumter, South Carolina is 0.262 ppm.
The current sulfur dioxide (SO2) concentration at Sumter, South Carolina is 2.538 ppb.
The current ozone (O3) concentration at Sumter, South Carolina is 14.745 ppm.
The current nitrogen dioxide (NO2) concentration at Sumter, South Carolina is 4.314 ppb.
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