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

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.60 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
6.34 μg/m³
0
55
155
255
425
605+
29.18 ppb
0
55
71
86
201
201+
0.20 ppb
0
36
76
186
605
1005+
4.81 ppb
0
54
101
361
1250
2050+
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
St. Andrews, South Carolina
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AQI 27
Good
1.45μg/m³
PM2.5
6.16μg/m³
PM10
28.78ppb
O3
0.24ppb
SO2
5.86ppb
NO2
0.21ppm
CO
AQI 27
Good
1.71μg/m³
PM2.5
6.96μg/m³
PM10
28.92ppb
O3
0.22ppb
SO2
5.00ppb
NO2
0.21ppm
CO
AQI 27
Good
1.94μg/m³
PM2.5
7.80μg/m³
PM10
28.91ppb
O3
0.19ppb
SO2
4.17ppb
NO2
0.21ppm
CO
AQI 27
Good
1.59μg/m³
PM2.5
6.57μg/m³
PM10
28.90ppb
O3
0.23ppb
SO2
5.39ppb
NO2
0.21ppm
CO
AQI 31
Good
2.28μg/m³
PM2.5
6.83μg/m³
PM10
32.67ppb
O3
0.28ppb
SO2
5.71ppb
NO2
0.21ppm
CO
AQI 27
Good
1.49μg/m³
PM2.5
6.28μg/m³
PM10
28.83ppb
O3
0.24ppb
SO2
5.72ppb
NO2
0.21ppm
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 St. Andrews, South Carolina are available every hour.
St. Andrews, South Carolina experienced its worst air quality at 10:00:00, 2026-03-12.
The best air quality in St. Andrews, South Carolina was observed at 02:00:00 on 2026-03-13.
The air quality in St. Andrews, South Carolina right now is Good, with an AQI of 27.
In St. Andrews, South Carolina, O3 is the most frequently found pollutant.
When air quality in St. Andrews, South Carolina is compromised, staying indoors and wearing a mask can reduce health risks.
St. Andrews, South Carolina currently has a PM2.5 concentration of 1.605 μg/m3.
St. Andrews, South Carolina currently has a PM10 concentration of 6.339 μg/m3.
The current carbon monoxide (CO) level in St. Andrews, South Carolina is 0.133 ppm.
The current sulfur dioxide (SO2) concentration in St. Andrews, South Carolina is 0.197 ppb.
St. Andrews, South Carolina currently has an ozone (O3) concentration of 29.175 ppm.
The current level of nitrogen dioxide (NO2) in St. Andrews, South Carolina is 4.808 ppb.
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