Bangor, Maine, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
February Air Quality Analysis
Bangor, Maine, United States
AQI Trends: Highest and Lowest
Same Day Analysis (17th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 38 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 16th Feb - 17th Feb 2026
Bangor, Maine, United States
6 AM16th Feb 2026
4 PM
5 AM17th Feb 2026
78AQI
28AQI
58AQI
19AQI
In the last 24 hours,
Bangor's AQI reached its highest point of 78 at 2 PM during the Day, while the lowest point, 19, was recorded at 1 AM during the Night between 16th Feb and 17th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Bangor, Maine, United States
-4°C-9/-1°C
-7°C-13/-3°C
-10°C-16/-3°C
-3°C-7/3°C
-7°C-13/-3°C
-16°C-20/-12°C
-17°C-23/-11°C
-13°C-16/-10°C
-11°C-17/-5°C
-14°C-23/-7°C
-14°C-20/-6°C
-14°C-18/-8°C
-14°C-19/-6°C
-14°C-20/-7°C
-8°C-16/0°C
-9°C-17/-4°C
-9°C-16/0°C
-9°C-14/-3°C
-13°C-22/-6°C
-11°C-18/-4°C
-9°C-14/-3°C
-9°C-16/-1°C
-7°C-14/0°C
-2°C-5/0°C
-2°C-6/2°C
-5°C-10/3°C
-5°C-11/2°C
-5°C-10/2°C
-6°C-15/1°C
-3°C-9/6°C
50AQI
27AQI
52AQI
26AQI
2026 Days Vs Air Quality
Bangor, Maine, United States
94%
45
6%
3
Total number of days with different AQI categories in last 49 days in 2026 (316 days remaining)
Under WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2026, 94% of 49 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Bangor, Maine, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
20AQI (US)
12AQI (US)
34AQI (US)
44AQI (US)
51AQI (US)
50AQI (US)
39AQI (US)
21AQI (US)
29AQI (US)
22AQI (US)
10AQI (US)
16AQI (US)
20AQI (US)
40AQI (US)
40AQI (US)
35AQI (US)
16AQI (US)
40AQI (US)
26AQI (US)
24AQI (US)
32AQI (US)
32AQI (US)
40AQI (US)
31AQI (US)
27AQI (US)
43AQI (US)
40AQI (US)
24AQI (US)
29AQI (US)
43AQI (US)
39AQI (US)
35AQI (US)
37AQI (US)
53AQI (US)
58AQI (US)
41AQI (US)
48AQI (US)
37AQI (US)
29AQI (US)
33AQI (US)
35AQI (US)
29AQI (US)
26AQI (US)
35AQI (US)
49AQI (US)
35AQI (US)
44AQI (US)
38AQI (US)
31AQI (US)
39AQI (US)
No. of days
202634AQI (US)
Highest AQI (US) recorded in
February39AQI (US)
Lowest AQI (US) recorded in
January31AQI (US)
202527AQI (US)
Highest AQI (US) recorded in
July37AQI (US)
Lowest AQI (US) recorded in
May18AQI (US)
202421AQI (US)
Highest AQI (US) recorded in
August28AQI (US)
Lowest AQI (US) recorded in
March14AQI (US)
202322AQI (US)
Highest AQI (US) recorded in
July34AQI (US)
Lowest AQI (US) recorded in
October18AQI (US)
202220AQI (US)
Highest AQI (US) recorded in
July31AQI (US)
Lowest AQI (US) recorded in
August11AQI (US)
202119AQI (US)
Highest AQI (US) recorded in
August26AQI (US)
Lowest AQI (US) recorded in
September12AQI (US)
202020AQI (US)
Highest AQI (US) recorded in
November26AQI (US)
Lowest AQI (US) recorded in
April14AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Bangor's annual 2026 AQI (US) (34) shows an average percentage change of 59.5% (worsened AQI (US)) compared to previous years: 2020 (20), 2021 (19), 2022 (20), 2023 (22), 2024 (21), 2025 (27).