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)
40
Good
Bangor, Maine
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.69 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.06 μg/m³
0
55
155
255
425
605+
43.26 ppb
0
55
71
86
201
201+
0.55 ppb
0
36
76
186
605
1005+
1.58 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Bangor, Maine
Bangor, Maine
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AQI 35
Good
5.69μg/m³
PM2.5
13.86μg/m³
PM10
38.11ppb
O3
0.56ppb
SO2
1.25ppb
NO2
0.12ppm
CO
AQI 32
Good
5.34μg/m³
PM2.5
14.06μg/m³
PM10
34.84ppb
O3
0.54ppb
SO2
1.82ppb
NO2
0.14ppm
CO
AQI 34
Good
6.09μg/m³
PM2.5
13.01μg/m³
PM10
37.01ppb
O3
0.52ppb
SO2
2.13ppb
NO2
0.14ppm
CO
AQI 33
Good
3.96μg/m³
PM2.5
15.08μg/m³
PM10
35.54ppb
O3
0.46ppb
SO2
5.08ppb
NO2
0.14ppm
CO
AQI 38
Good
2.84μg/m³
PM2.5
16.99μg/m³
PM10
40.73ppb
O3
0.48ppb
SO2
2.96ppb
NO2
0.15ppm
CO
AQI 38
Good
2.87μg/m³
PM2.5
17.00μg/m³
PM10
40.64ppb
O3
0.48ppb
SO2
2.96ppb
NO2
0.15ppm
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 06:00:00, 2026-05-14.
The best air quality in Bangor, Maine was observed at 02:00:00 on 2026-05-14.
The air quality in Bangor, Maine right now is Good, with an AQI of 40.
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 5.69 μg/m3.
Bangor, Maine currently has a PM10 concentration of 13.058 μg/m3.
The current carbon monoxide (CO) level in Bangor, Maine is 0.135 ppm.
The current sulfur dioxide (SO2) concentration in Bangor, Maine is 0.545 ppb.
Bangor, Maine currently has an ozone (O3) concentration of 43.262 ppm.
The current level of nitrogen dioxide (NO2) in Bangor, Maine is 1.576 ppb.
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