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
4.84 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.20 μg/m³
0
55
155
255
425
605+
26.59 ppb
0
55
71
86
201
201+
0.12 ppb
0
36
76
186
605
1005+
2.78 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
St. Andrews, South Carolina
St. Andrews, South Carolina
Scroll To Air Quality MapLoading...
AQI 27
Good
5.04μg/m³
PM2.5
21.46μg/m³
PM10
22.58ppb
O3
0.27ppb
SO2
2.77ppb
NO2
0.12ppm
CO
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
4.81μg/m³
PM2.5
19.87μg/m³
PM10
19.86ppb
O3
0.33ppb
SO2
2.98ppb
NO2
0.13ppm
CO
AQI 27
Good
4.99μg/m³
PM2.5
21.06μg/m³
PM10
22.60ppb
O3
0.27ppb
SO2
2.76ppb
NO2
0.12ppm
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 03:00:00, 2026-09-06.
The best air quality in St. Andrews, South Carolina was observed at 10:00:00 on 2026-09-07.
The air quality in St. Andrews, South Carolina right now is Good, with an AQI of 27.
In St. Andrews, South Carolina, PM2.5 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 4.839 μg/m3.
St. Andrews, South Carolina currently has a PM10 concentration of 20.204 μg/m3.
The current carbon monoxide (CO) level in St. Andrews, South Carolina is 0.12 ppm.
The current sulfur dioxide (SO2) concentration in St. Andrews, South Carolina is 0.118 ppb.
St. Andrews, South Carolina currently has an ozone (O3) concentration of 26.595 ppm.
The current level of nitrogen dioxide (NO2) in St. Andrews, South Carolina is 2.778 ppb.
All Rights Reserved © Ambee Inc. 2025