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)
25
Good
Augusta, Maine
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.80 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
3.01 μg/m³
0
55
155
255
425
605+
27.37 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
1.98 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Augusta, Maine
Augusta, Maine
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AQI 21
Good
2.27μg/m³
PM2.5
6.45μg/m³
PM10
23.43ppb
O3
0.38ppb
SO2
0.54ppb
NO2
0.20ppm
CO
AQI 19
Good
0.71μg/m³
PM2.5
3.02μg/m³
PM10
20.22ppb
O3
0.40ppb
SO2
9.85ppb
NO2
0.20ppm
CO
AQI 19
Good
0.72μg/m³
PM2.5
3.04μg/m³
PM10
20.22ppb
O3
0.40ppb
SO2
9.83ppb
NO2
0.20ppm
CO
AQI 20
Good
2.38μg/m³
PM2.5
5.72μg/m³
PM10
21.51ppb
O3
0.41ppb
SO2
10.48ppb
NO2
0.20ppm
CO
AQI 16
Good
2.97μg/m³
PM2.5
5.04μg/m³
PM10
17.19ppb
O3
0.44ppb
SO2
10.30ppb
NO2
0.20ppm
CO
AQI 19
Good
2.56μg/m³
PM2.5
6.14μg/m³
PM10
19.72ppb
O3
0.43ppb
SO2
10.52ppb
NO2
0.20ppm
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 09:00:00, 2025-11-01.
The best air quality in Augusta, Maine was observed at 12:00:00 on 2025-11-02.
The air quality in Augusta, Maine right now is Good, with an AQI of 19.
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 2.199 μg/m3.
Augusta, Maine currently has a PM10 concentration of 3.016 μg/m3.
The current carbon monoxide (CO) level in Augusta, Maine is 0.2 ppm.
The current sulfur dioxide (SO2) concentration in Augusta, Maine is 0.39 ppb.
Augusta, Maine currently has an ozone (O3) concentration of 20.831 ppm.
The current level of nitrogen dioxide (NO2) in Augusta, Maine is 0.567 ppb.
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