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)
24
Good
Bangor, Maine
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.10 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
4.00 μg/m³
0
55
155
255
425
605+
26.33 ppb
0
55
71
86
201
201+
0.39 ppb
0
36
76
186
605
1005+
0.81 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Bangor, Maine
Bangor, Maine
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AQI 17
Good
0.41μg/m³
PM2.5
2.07μg/m³
PM10
18.10ppb
O3
0.67ppb
SO2
2.06ppb
NO2
0.14ppm
CO
AQI 19
Good
0.31μg/m³
PM2.5
2.84μg/m³
PM10
21.44ppb
O3
0.66ppb
SO2
1.24ppb
NO2
0.14ppm
CO
AQI 24
Good
0.20μg/m³
PM2.5
2.01μg/m³
PM10
25.64ppb
O3
0.69ppb
SO2
1.48ppb
NO2
0.14ppm
CO
AQI 23
Good
0.37μg/m³
PM2.5
2.82μg/m³
PM10
25.39ppb
O3
0.69ppb
SO2
1.48ppb
NO2
0.14ppm
CO
AQI 24
Good
0.40μg/m³
PM2.5
2.01μg/m³
PM10
25.68ppb
O3
0.70ppb
SO2
1.48ppb
NO2
0.14ppm
CO
AQI 24
Good
0.40μg/m³
PM2.5
2.02μg/m³
PM10
25.66ppb
O3
0.70ppb
SO2
1.48ppb
NO2
0.14ppm
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 05:00:00, 2025-10-31.
The best air quality in Bangor, Maine was observed at 07:00:00 on 2025-11-01.
The air quality in Bangor, Maine right now is Good, with an AQI of 17.
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 0.4 μg/m3.
Bangor, Maine currently has a PM10 concentration of 2.001 μg/m3.
The current carbon monoxide (CO) level in Bangor, Maine is 0.143 ppm.
The current sulfur dioxide (SO2) concentration in Bangor, Maine is 0.676 ppb.
Bangor, Maine currently has an ozone (O3) concentration of 18.018 ppm.
The current level of nitrogen dioxide (NO2) in Bangor, Maine is 2.083 ppb.
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