Stay updated with real-time air quality in Augusta, Maine 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)
43
Good
Augusta, Maine
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.91 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.02 μg/m³
0
55
155
255
425
605+
46.00 ppb
0
55
71
86
201
201+
0.39 ppb
0
36
76
186
605
1005+
5.83 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Augusta, Maine
Augusta, Maine
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AQI 40
Good
3.32μg/m³
PM2.5
25.79μg/m³
PM10
42.97ppb
O3
0.40ppb
SO2
4.57ppb
NO2
0.17ppm
CO
AQI 41
Good
6.00μg/m³
PM2.5
10.16μg/m³
PM10
44.21ppb
O3
0.36ppb
SO2
6.01ppb
NO2
0.16ppm
CO
AQI 41
Good
6.00μg/m³
PM2.5
10.27μg/m³
PM10
44.18ppb
O3
0.35ppb
SO2
6.02ppb
NO2
0.16ppm
CO
AQI 48
Good
5.81μg/m³
PM2.5
24.41μg/m³
PM10
52.26ppb
O3
0.33ppb
SO2
6.25ppb
NO2
0.16ppm
CO
AQI 40
Good
6.56μg/m³
PM2.5
18.58μg/m³
PM10
43.47ppb
O3
0.12ppb
SO2
7.70ppb
NO2
0.16ppm
CO
AQI 39
Good
4.51μg/m³
PM2.5
12.42μg/m³
PM10
42.04ppb
O3
0.31ppb
SO2
6.27ppb
NO2
0.16ppm
CO
The air quality data for Maine, 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 Augusta, Maine are available every hour.
Augusta, Maine experienced its worst air quality at 11:00:00, 2026-06-09.
The best air quality in Augusta, Maine was observed at 11:00:00 on 2026-06-09.
The air quality in Augusta, Maine right now is Good, with an AQI of 43.
In Augusta, Maine, O3 is the most frequently found pollutant.
When air quality in Augusta, Maine is compromised, staying indoors and wearing a mask can reduce health risks.
Augusta, Maine currently has a PM2.5 concentration of 3.907 μg/m3.
Augusta, Maine currently has a PM10 concentration of 10.022 μg/m3.
The current carbon monoxide (CO) level in Augusta, Maine is 0.164 ppm.
The current sulfur dioxide (SO2) concentration in Augusta, Maine is 0.391 ppb.
Augusta, Maine currently has an ozone (O3) concentration of 46.001 ppm.
The current level of nitrogen dioxide (NO2) in Augusta, Maine is 5.835 ppb.
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