Stay updated with real-time air quality in Marietta, 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
Marietta, Georgia
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.58 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.11 μg/m³
0
55
155
255
425
605+
35.10 ppb
0
55
71
86
201
201+
0.23 ppb
0
36
76
186
605
1005+
7.50 ppb
0
54
101
361
1250
2050+
0.25 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Marietta, Georgia
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AQI 84
Moderate
27.01μg/m³
PM2.5
78.65μg/m³
PM10
30.95ppb
O3
0.25ppb
SO2
2.92ppb
NO2
0.25ppm
CO
AQI 99
Moderate
35.29μg/m³
PM2.5
107.70μg/m³
PM10
33.07ppb
O3
0.24ppb
SO2
5.77ppb
NO2
0.26ppm
CO
AQI 34
Good
3.60μg/m³
PM2.5
16.21μg/m³
PM10
37.00ppb
O3
0.26ppb
SO2
4.56ppb
NO2
0.24ppm
CO
AQI 127
Unhealthy for sensitive groups
46.50μg/m³
PM2.5
147.35μg/m³
PM10
38.37ppb
O3
0.20ppb
SO2
5.21ppb
NO2
0.26ppm
CO
AQI 94
Moderate
32.44μg/m³
PM2.5
108.85μg/m³
PM10
33.63ppb
O3
0.25ppb
SO2
5.30ppb
NO2
0.25ppm
CO
AQI 102
Unhealthy for sensitive groups
35.53μg/m³
PM2.5
108.36μg/m³
PM10
33.12ppb
O3
0.27ppb
SO2
1.94ppb
NO2
0.24ppm
CO
The air quality data for Georgia, 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 Marietta, Georgia are available every hour.
Marietta, Georgia experienced its worst air quality at 09:00:00, 2026-03-09.
The best air quality in Marietta, Georgia was observed at 01:00:00 on 2026-03-09.
The air quality in Marietta, Georgia right now is Good, with an AQI of 33.
In Marietta, Georgia, PM2.5 is the most frequently found pollutant.
When air quality in Marietta, Georgia is compromised, staying indoors and wearing a mask can reduce health risks.
Marietta, Georgia currently has a PM2.5 concentration of 5.575 μg/m3.
Marietta, Georgia currently has a PM10 concentration of 12.114 μg/m3.
The current carbon monoxide (CO) level in Marietta, Georgia is 0.253 ppm.
The current sulfur dioxide (SO2) concentration in Marietta, Georgia is 0.234 ppb.
Marietta, Georgia currently has an ozone (O3) concentration of 35.1 ppm.
The current level of nitrogen dioxide (NO2) in Marietta, Georgia is 7.5 ppb.
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