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

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.94 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.48 μg/m³
0
55
155
255
425
605+
26.50 ppb
0
55
71
86
201
201+
0.12 ppb
0
36
76
186
605
1005+
2.99 ppb
0
54
101
361
1250
2050+
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Cayce, South Carolina
Cayce, South Carolina
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AQI 27
Good
4.73μg/m³
PM2.5
18.73μg/m³
PM10
22.81ppb
O3
0.25ppb
SO2
2.71ppb
NO2
0.12ppm
CO
AQI 22
Good
4.41μg/m³
PM2.5
15.85μg/m³
PM10
23.32ppb
O3
0.22ppb
SO2
2.65ppb
NO2
0.11ppm
CO
AQI 27
Good
4.88μg/m³
PM2.5
20.08μg/m³
PM10
22.61ppb
O3
0.26ppb
SO2
2.74ppb
NO2
0.12ppm
CO
AQI 27
Good
5.00μg/m³
PM2.5
21.13μg/m³
PM10
22.65ppb
O3
0.27ppb
SO2
2.77ppb
NO2
0.12ppm
CO
AQI 22
Good
4.15μg/m³
PM2.5
13.51μg/m³
PM10
24.05ppb
O3
0.18ppb
SO2
2.61ppb
NO2
0.11ppm
CO
AQI 27
Good
5.04μg/m³
PM2.5
21.46μg/m³
PM10
22.58ppb
O3
0.27ppb
SO2
2.77ppb
NO2
0.12ppm
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 Cayce, South Carolina is updated every hour.
The worst air quality in Cayce, South Carolina in the last 24 hours was observed at 07:00:00 on 2026-09-06.
In the last 24 hrs, the best air quality in Cayce, South Carolina was observed at 04:00:00 on 2026-09-07.
The current air quality in Cayce, South Carolina is 27, categorized as Good based on real-time data.
The most common pollutant in Cayce, South Carolina is PM2.5.
If the air quality in Cayce, South Carolina is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Cayce, South Carolina is 4.939 μg/m3.
The current PM10 concentration at Cayce, South Carolina is 17.485 μg/m3.
The current carbon monoxide (CO) concentration at Cayce, South Carolina is 0.125 ppm.
The current sulfur dioxide (SO2) concentration at Cayce, South Carolina is 0.121 ppb.
The current ozone (O3) concentration at Cayce, South Carolina is 26.498 ppm.
The current nitrogen dioxide (NO2) concentration at Cayce, South Carolina is 2.988 ppb.
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