Stay updated with real-time air quality in St. Marys, 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)
33
Good
St. Marys, Georgia
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.15 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.05 μg/m³
0
55
155
255
425
605+
21.59 ppb
0
55
71
86
201
201+
0.58 ppb
0
36
76
186
605
1005+
2.09 ppb
0
54
101
361
1250
2050+
0.33 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
St. Marys, Georgia
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AQI 33
Good
6.50μg/m³
PM2.5
19.60μg/m³
PM10
22.27ppb
O3
0.74ppb
SO2
2.16ppb
NO2
0.33ppm
CO
AQI 33
Good
6.21μg/m³
PM2.5
21.85μg/m³
PM10
20.43ppb
O3
0.69ppb
SO2
2.08ppb
NO2
0.33ppm
CO
AQI 33
Good
6.14μg/m³
PM2.5
22.05μg/m³
PM10
23.24ppb
O3
0.40ppb
SO2
2.17ppb
NO2
0.33ppm
CO
AQI 27
Good
5.00μg/m³
PM2.5
14.04μg/m³
PM10
20.00ppb
O3
0.73ppb
SO2
2.18ppb
NO2
0.32ppm
CO
AQI 33
Good
6.10μg/m³
PM2.5
23.06μg/m³
PM10
19.86ppb
O3
1.16ppb
SO2
1.74ppb
NO2
0.31ppm
CO
AQI 44
Good
7.55μg/m³
PM2.5
32.99μg/m³
PM10
19.83ppb
O3
1.00ppb
SO2
1.99ppb
NO2
0.32ppm
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. Marys, Georgia is updated on an hourly basis.
The worst air quality in St. Marys, Georgia was recorded at 02:00:00 on 2026-03-07.
The best air quality in St. Marys, Georgia was recorded at 12:00:00 on 2026-03-07.
The real-time air quality index in St. Marys, Georgia is 33, currently categorized as Good.
The most common pollutant in St. Marys, Georgia is PM2.5.
If the air quality in St. Marys, Georgia is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in St. Marys, Georgia at present are 6.154 μg/m3.
The current PM10 levels in St. Marys, Georgia are 23.049 μg/m3.
The current carbon monoxide (CO) level in St. Marys, Georgia is 0.327 ppm.
The current sulfur dioxide (SO2) levels in St. Marys, Georgia are 0.58 ppb.
The current ozone (O3) levels at St. Marys, Georgia is 21.594 ppm.
The current nitrogen dioxide (NO2) levels at St. Marys, Georgia is 2.089 ppb.
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