Stay updated with real-time air quality in Bangor, 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)
31
Good
Bangor, Maine
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.20 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.00 μg/m³
0
55
155
255
425
605+
34.11 ppb
0
55
71
86
201
201+
0.69 ppb
0
36
76
186
605
1005+
2.64 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Bangor, Maine
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AQI 31
Good
5.37μg/m³
PM2.5
8.18μg/m³
PM10
33.31ppb
O3
0.69ppb
SO2
4.20ppb
NO2
0.21ppm
CO
AQI 38
Good
6.90μg/m³
PM2.5
21.83μg/m³
PM10
32.66ppb
O3
0.68ppb
SO2
5.59ppb
NO2
0.21ppm
CO
AQI 38
Good
6.61μg/m³
PM2.5
8.11μg/m³
PM10
33.37ppb
O3
0.66ppb
SO2
6.16ppb
NO2
0.22ppm
CO
AQI 49
Good
9.04μg/m³
PM2.5
30.32μg/m³
PM10
31.01ppb
O3
0.60ppb
SO2
8.02ppb
NO2
0.22ppm
CO
AQI 33
Good
5.83μg/m³
PM2.5
8.19μg/m³
PM10
31.42ppb
O3
0.63ppb
SO2
7.62ppb
NO2
0.22ppm
CO
AQI 33
Good
5.86μg/m³
PM2.5
8.41μg/m³
PM10
31.42ppb
O3
0.63ppb
SO2
7.63ppb
NO2
0.22ppm
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 Bangor, Maine are available every hour.
Bangor, Maine experienced its worst air quality at 01:00:00, 2026-02-11.
The best air quality in Bangor, Maine was observed at 10:00:00 on 2026-02-11.
The air quality in Bangor, Maine right now is Good, with an AQI of 31.
In Bangor, Maine, O3 is the most frequently found pollutant.
When air quality in Bangor, Maine is compromised, staying indoors and wearing a mask can reduce health risks.
Bangor, Maine currently has a PM2.5 concentration of 5.2 μg/m3.
Bangor, Maine currently has a PM10 concentration of 7.003 μg/m3.
The current carbon monoxide (CO) level in Bangor, Maine is 0.21 ppm.
The current sulfur dioxide (SO2) concentration in Bangor, Maine is 0.69 ppb.
Bangor, Maine currently has an ozone (O3) concentration of 34.113 ppm.
The current level of nitrogen dioxide (NO2) in Bangor, Maine is 2.644 ppb.
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