Stay updated with real-time air quality in Alpharetta, 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)
73
Moderate
Alpharetta, Georgia
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
21.10 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
47.29 μg/m³
0
55
155
255
425
605+
20.32 ppb
0
55
71
86
201
201+
0.48 ppb
0
36
76
186
605
1005+
23.73 ppb
0
54
101
361
1250
2050+
0.47 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Alpharetta, Georgia
Alpharetta, Georgia
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AQI 69
Moderate
19.09μg/m³
PM2.5
59.11μg/m³
PM10
21.01ppb
O3
0.48ppb
SO2
23.84ppb
NO2
0.48ppm
CO
AQI 69
Moderate
18.52μg/m³
PM2.5
47.90μg/m³
PM10
20.38ppb
O3
0.48ppb
SO2
23.67ppb
NO2
0.49ppm
CO
AQI 75
Moderate
21.56μg/m³
PM2.5
45.16μg/m³
PM10
13.81ppb
O3
0.48ppb
SO2
23.37ppb
NO2
0.47ppm
CO
AQI 66
Moderate
17.04μg/m³
PM2.5
48.15μg/m³
PM10
20.24ppb
O3
0.49ppb
SO2
24.13ppb
NO2
0.47ppm
CO
AQI 75
Moderate
21.58μg/m³
PM2.5
45.08μg/m³
PM10
11.59ppb
O3
0.47ppb
SO2
23.50ppb
NO2
0.47ppm
CO
AQI 71
Moderate
20.19μg/m³
PM2.5
44.21μg/m³
PM10
22.73ppb
O3
0.46ppb
SO2
24.22ppb
NO2
0.50ppm
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 Alpharetta, Georgia are available every hour.
Alpharetta, Georgia experienced its worst air quality at 10:00:00, 2026-04-23.
The best air quality in Alpharetta, Georgia was observed at 04:00:00 on 2026-04-23.
The air quality in Alpharetta, Georgia right now is Moderate, with an AQI of 73.
In Alpharetta, Georgia, PM2.5 is the most frequently found pollutant.
When air quality in Alpharetta, Georgia is compromised, staying indoors and wearing a mask can reduce health risks.
Alpharetta, Georgia currently has a PM2.5 concentration of 21.103 μg/m3.
Alpharetta, Georgia currently has a PM10 concentration of 47.289 μg/m3.
The current carbon monoxide (CO) level in Alpharetta, Georgia is 0.472 ppm.
The current sulfur dioxide (SO2) concentration in Alpharetta, Georgia is 0.484 ppb.
Alpharetta, Georgia currently has an ozone (O3) concentration of 20.319 ppm.
The current level of nitrogen dioxide (NO2) in Alpharetta, Georgia is 23.728 ppb.
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