Stay updated with real-time air quality in St. Simons, Georgia 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)
152
Unhealthy
St. Simons, Georgia
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
56.75 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
76.91 μg/m³
0
55
155
255
425
605+
27.56 ppb
0
55
71
86
201
201+
41.04 ppb
0
36
76
186
605
1005+
14.74 ppb
0
54
101
361
1250
2050+
0.47 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
St. Simons, Georgia
St. Simons, Georgia
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AQI 144
Unhealthy for sensitive groups
53.34μg/m³
PM2.5
69.92μg/m³
PM10
29.00ppb
O3
43.55ppb
SO2
17.27ppb
NO2
0.42ppm
CO
AQI 56
Moderate
12.07μg/m³
PM2.5
42.68μg/m³
PM10
30.09ppb
O3
4.45ppb
SO2
18.02ppb
NO2
0.48ppm
CO
AQI 60
Moderate
13.84μg/m³
PM2.5
49.41μg/m³
PM10
22.03ppb
O3
9.90ppb
SO2
17.73ppb
NO2
0.45ppm
CO
AQI 38
Good
6.52μg/m³
PM2.5
29.22μg/m³
PM10
32.72ppb
O3
1.22ppb
SO2
16.77ppb
NO2
0.46ppm
CO
AQI 54
Moderate
11.04μg/m³
PM2.5
33.50μg/m³
PM10
28.69ppb
O3
6.02ppb
SO2
18.63ppb
NO2
0.47ppm
CO
AQI 52
Moderate
10.30μg/m³
PM2.5
46.35μg/m³
PM10
29.68ppb
O3
12.90ppb
SO2
21.45ppb
NO2
0.38ppm
CO
Air quality measurements for Georgia, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for St. Simons, Georgia is updated on an hourly basis.
The worst air quality in St. Simons, Georgia was recorded at 05:00:00 on 2026-04-21.
The best air quality in St. Simons, Georgia was recorded at 12:00:00 on 2026-04-21.
The real-time air quality index in St. Simons, Georgia is 152, currently categorized as Unhealthy.
The most common pollutant in St. Simons, Georgia is PM2.5.
If the air quality in St. Simons, Georgia is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in St. Simons, Georgia at present are 56.752 μg/m3.
The current PM10 levels in St. Simons, Georgia are 76.905 μg/m3.
The current carbon monoxide (CO) level in St. Simons, Georgia is 0.469 ppm.
The current sulfur dioxide (SO2) levels in St. Simons, Georgia are 41.036 ppb.
The current ozone (O3) levels at St. Simons, Georgia is 27.557 ppm.
The current nitrogen dioxide (NO2) levels at St. Simons, Georgia is 14.744 ppb.
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