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

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.45 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.81 μg/m³
0
55
155
255
425
605+
23.09 ppb
0
55
71
86
201
201+
0.53 ppb
0
36
76
186
605
1005+
9.97 ppb
0
54
101
361
1250
2050+
0.17 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 54
Moderate
11.02μg/m³
PM2.5
24.35μg/m³
PM10
21.36ppb
O3
0.69ppb
SO2
6.67ppb
NO2
0.20ppm
CO
AQI 54
Moderate
11.07μg/m³
PM2.5
30.25μg/m³
PM10
21.52ppb
O3
0.69ppb
SO2
6.70ppb
NO2
0.20ppm
CO
AQI 52
Moderate
9.87μg/m³
PM2.5
43.98μg/m³
PM10
27.72ppb
O3
0.47ppb
SO2
7.79ppb
NO2
0.22ppm
CO
AQI 54
Moderate
11.14μg/m³
PM2.5
36.15μg/m³
PM10
21.70ppb
O3
0.68ppb
SO2
6.74ppb
NO2
0.20ppm
CO
AQI 38
Good
7.18μg/m³
PM2.5
19.89μg/m³
PM10
18.96ppb
O3
0.52ppb
SO2
7.92ppb
NO2
0.21ppm
CO
AQI 54
Moderate
11.33μg/m³
PM2.5
24.47μg/m³
PM10
21.44ppb
O3
0.69ppb
SO2
6.81ppb
NO2
0.20ppm
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 03:00:00 on 2026-06-08.
In the last 24 hrs, the best air quality in Sumter, South Carolina was observed at 05:00:00 on 2026-06-08.
The current air quality in Sumter, South Carolina is 49, categorized as Good 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 8.6 μg/m3.
The current PM10 concentration at Sumter, South Carolina is 29.453 μg/m3.
The current carbon monoxide (CO) concentration at Sumter, South Carolina is 0.211 ppm.
The current sulfur dioxide (SO2) concentration at Sumter, South Carolina is 0.526 ppb.
The current ozone (O3) concentration at Sumter, South Carolina is 22.791 ppm.
The current nitrogen dioxide (NO2) concentration at Sumter, South Carolina is 7.181 ppb.
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