Bethel, Maine, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Bethel, Maine, United States
AQI Trends: Highest and Lowest
Same Day Analysis (26th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 24 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 26th Oct - 27th Oct 2025
Bethel, Maine, United States
6 AM26th Oct 2025
6 PM
5 AM27th Oct 2025
32AQI
16AQI
30AQI
12AQI
In the last 24 hours,
Bethel's AQI reached its highest point of 32 at 7 AM during the Day, while the lowest point, 12, was recorded at 10 PM during the Night between 26th Oct and 27th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Bethel, Maine, United States
17°C11/24°C
19°C12/28°C
17°C9/28°C
16°C10/23°C
10°C5/19°C
10°C2/19°C
13°C4/25°C
18°C9/28°C
18°C8/29°C
19°C11/30°C
19°C10/29°C
14°C6/16°C
6°C2/12°C
6°C-2/15°C
9°C1/19°C
9°C3/18°C
10°C7/13°C
11°C7/15°C
9°C4/13°C
6°C2/11°C
9°C3/17°C
9°C2/18°C
10°C4/20°C
12°C9/17°C
12°C9/14°C
9°C6/15°C
7°C3/12°C
7°C3/12°C
6°C2/10°C
5°C2/9°C
--°C/°C
38AQI
24AQI
32AQI
25AQI
2025 Days Vs Air Quality
Bethel, Maine, United States
87%
186
13%
28
Total number of days with different AQI categories in last 300 days in 2025 (65 days remaining)
Under WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2025, 87% of 300 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Bethel, Maine, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
19AQI
20AQI
20AQI
20AQI
20AQI
17AQI
18AQI
17AQI
18AQI
19AQI
14AQI
17AQI
14AQI
17AQI
24AQI
24AQI
19AQI
20AQI
27AQI
21AQI
13AQI
16AQI
24AQI
36AQI
16AQI
16AQI
17AQI
13AQI
18AQI
22AQI
17AQI
9AQI
19AQI
22AQI
15AQI
18AQI
22AQI
20AQI
18AQI
17AQI
15AQI
17AQI
18AQI
15AQI
15AQI
18AQI
22AQI
26AQI
27AQI
25AQI
29AQI
24AQI
15AQI
12AQI
15AQI
16AQI
13AQI
11AQI
11AQI
14AQI
19AQI
23AQI
25AQI
23AQI
23AQI
21AQI
13AQI
17AQI
25AQI
48AQI
62AQI
57AQI
62AQI
76AQI
71AQI
39AQI
52AQI
65AQI
36AQI
33AQI
37AQI
37AQI
33AQI
21AQI
28AQI
29AQI
42AQI
43AQI
45AQI
52AQI
43AQI
37AQI
29AQI
24AQI
27AQI
31AQI
34AQI
31AQI
50AQI
40AQI
37AQI
43AQI
50AQI
32AQI
32AQI
33AQI
34AQI
39AQI
35AQI
32AQI
52AQI
62AQI
47AQI
20AQI
25AQI
28AQI
30AQI
19AQI
22AQI
34AQI
48AQI
98AQI
81AQI
57AQI
56AQI
54AQI
66AQI
35AQI
42AQI
82AQI
94AQI
79AQI
57AQI
63AQI
65AQI
61AQI
59AQI
55AQI
54AQI
50AQI
46AQI
39AQI
41AQI
43AQI
15AQI
17AQI
17AQI
19AQI
23AQI
28AQI
26AQI
21AQI
15AQI
17AQI
19AQI
20AQI
16AQI
19AQI
25AQI
26AQI
26AQI
28AQI
27AQI
34AQI
25AQI
18AQI
18AQI
21AQI
25AQI
27AQI
28AQI
33AQI
33AQI
31AQI
28AQI
26AQI
21AQI
17AQI
18AQI
19AQI
26AQI
24AQI
20AQI
18AQI
20AQI
28AQI
30AQI
30AQI
22AQI
24AQI
32AQI
46AQI
55AQI
53AQI
47AQI
21AQI
19AQI
28AQI
37AQI
43AQI
28AQI
24AQI
21AQI
23AQI
30AQI
38AQI
29AQI
20AQI
19AQI
27AQI
24AQI
21AQI
21AQI
24AQI
20AQI
19AQI
19AQI
40AQI
43AQI
40AQI
25AQI
30AQI
No. of days
202531AQI
Highest AQI recorded in
July43AQI
Lowest AQI recorded in
April19AQI
Most & Least Polluted Years Over the Last 1 Years
Bethel's annual 2025 AQI (31) shows an average percentage change of NaN% (improved AQI) compared to previous years: .