Live air quality index in Decatur, Georgia today
Stay updated with real-time air quality in Decatur, 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)
62
Moderate
Decatur, Georgia
Last updated: ... (Local time)
Major air pollutants in Decatur, Georgia
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
15.22 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
50.71 μg/m³
0
55
155
255
425
605+
Ozone (O3)
32.41 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
1.10 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
18.65 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.53 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Decatur, Georgia
Decatur, Georgia
Scroll To Air Quality Map
Track live Decatur, Georgia air quality forecast and history
Decatur Loading...
Decatur, Georgia air quality map: Real-time AQI near you
Air quality in nearby cities
North Decatur, Georgia
AQI 60
Moderate
13.99μg/m³
PM2.5
62.94μg/m³
PM10
18.66ppb
O3
0.89ppb
SO2
5.81ppb
NO2
0.26ppm
CO
Scottdale, Georgia
AQI 60
Moderate
14.46μg/m³
PM2.5
64.44μg/m³
PM10
17.02ppb
O3
0.89ppb
SO2
5.79ppb
NO2
0.26ppm
CO
Belvedere Park, Georgia
AQI 60
Moderate
14.38μg/m³
PM2.5
64.62μg/m³
PM10
16.14ppb
O3
0.89ppb
SO2
5.87ppb
NO2
0.26ppm
CO
North Druid Hills, Georgia
AQI 60
Moderate
13.63μg/m³
PM2.5
61.54μg/m³
PM10
20.22ppb
O3
0.91ppb
SO2
5.83ppb
NO2
0.26ppm
CO
CandlerMcAfee, Georgia
AQI 60
Moderate
14.38μg/m³
PM2.5
64.62μg/m³
PM10
16.14ppb
O3
0.89ppb
SO2
5.87ppb
NO2
0.26ppm
CO
Clarkston, Georgia
AQI 60
Moderate
14.43μg/m³
PM2.5
64.02μg/m³
PM10
17.11ppb
O3
0.90ppb
SO2
5.80ppb
NO2
0.26ppm
CO
How accurate is Georgia, USA air quality data?
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
Frequently asked questions
How frequently is the air quality data for Decatur, Georgia updated?
Air quality data for Decatur, Georgia is updated on an hourly basis.
When did Decatur, Georgia experience the worst air quality in the last 24 hours?
The worst air quality in Decatur, Georgia was recorded at 02:00:00 on 2025-06-01.
When did Decatur, Georgia have its best air quality in the last 24 hours?
The best air quality in Decatur, Georgia was recorded at 11:00:00 on 2025-05-31.
What is the real-time air quality index for Decatur, Georgia?
The real-time air quality index in Decatur, Georgia is 62, currently categorized as Moderate.
Which pollutant is found most often in Decatur, Georgia?
The most common pollutant in Decatur, Georgia is PM2.5.
What can I do if the air quality in Decatur, Georgia is poor?
If the air quality in Decatur, Georgia is poor, limit outdoor activities and use a mask to safeguard your health.
What are the current PM2.5 levels in Decatur, Georgia?
The measured PM2.5 levels in Decatur, Georgia at present are 15.219 μg/m3.
What are the current PM10 levels at Decatur, Georgia?
The current PM10 levels in Decatur, Georgia are 50.707 μg/m3.
What are the current carbon monoxide (CO) levels at Decatur, Georgia?
The current carbon monoxide (CO) level in Decatur, Georgia is 0.531 ppm.
What are the current sulfur dioxide (SO2) levels at Decatur, Georgia?
The current sulfur dioxide (SO2) levels in Decatur, Georgia are 1.104 ppb.
What are the current ozone (O3) levels at Decatur, Georgia?
The current ozone (O3) levels at Decatur, Georgia is 32.411 ppm.
What are the current nitrogen dioxide (NO2) levels at Decatur, Georgia?
The current nitrogen dioxide (NO2) levels at Decatur, Georgia is 18.653 ppb.
All Rights Reserved © Ambee Inc. 2025