Tower Road, Bar Harbor, 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
Tower Road, Bar Harbor, Maine, United States
AQI Trends: Highest and Lowest
Same Day Analysis (19th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 29 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 19th Oct - 20th Oct 2025
Tower Road, Bar Harbor, Maine, United States
6 AM19th Oct 2025
6 PM
5 AM20th Oct 2025
41AQI
8AQI
22AQI
9AQI
In the last 24 hours,
Tower Road's AQI reached its highest point of 41 at 6 AM during the Day, while the lowest point, 8, was recorded at 5 PM during the Day between 19th Oct and 20th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Tower Road, Bar Harbor, Maine, United States
12°C8/17°C
11°C3/18°C
13°C7/20°C
18°C11/23°C
16°C12/20°C
14°C8/18°C
20°C17/25°C
17°C11/23°C
17°C12/23°C
18°C12/26°C
16°C11/23°C
11°C7/16°C
11°C4/18°C
13°C7/20°C
17°C10/26°C
16°C8/24°C
19°C14/27°C
17°C13/21°C
15°C8/18°C
8°C4/13°C
7°C1/15°C
12°C7/19°C
10°C3/19°C
11°C8/15°C
12°C9/17°C
11°C6/15°C
8°C5/10°C
10°C6/13°C
10°C5/16°C
9°C3/15°C
--°C/°C
24AQI
19AQI
25AQI
21AQI
2025 Days Vs Air Quality
Tower Road, Bar Harbor, Maine, United States
86%
178
14%
28
0.4%
1
Total number of days with different AQI categories in last 293 days in 2025 (72 days remaining)
Under WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2025, 86% of 293 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
Tower Road, Bar Harbor, Maine, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
19AQI
21AQI
29AQI
20AQI
20AQI
16AQI
18AQI
17AQI
18AQI
15AQI
13AQI
16AQI
13AQI
16AQI
19AQI
18AQI
25AQI
29AQI
19AQI
20AQI
27AQI
16AQI
17AQI
39AQI
28AQI
14AQI
18AQI
15AQI
22AQI
33AQI
18AQI
9AQI
17AQI
22AQI
16AQI
16AQI
24AQI
22AQI
21AQI
15AQI
16AQI
23AQI
19AQI
15AQI
15AQI
19AQI
20AQI
26AQI
26AQI
26AQI
33AQI
25AQI
17AQI
13AQI
13AQI
15AQI
13AQI
11AQI
11AQI
13AQI
19AQI
22AQI
26AQI
21AQI
27AQI
21AQI
16AQI
17AQI
25AQI
47AQI
62AQI
60AQI
64AQI
71AQI
63AQI
37AQI
53AQI
67AQI
51AQI
48AQI
37AQI
34AQI
26AQI
19AQI
24AQI
29AQI
40AQI
42AQI
48AQI
52AQI
48AQI
36AQI
31AQI
27AQI
31AQI
34AQI
38AQI
35AQI
50AQI
42AQI
40AQI
52AQI
48AQI
27AQI
26AQI
31AQI
35AQI
38AQI
33AQI
31AQI
53AQI
54AQI
34AQI
18AQI
23AQI
28AQI
33AQI
18AQI
26AQI
36AQI
51AQI
87AQI
79AQI
54AQI
54AQI
51AQI
60AQI
44AQI
46AQI
83AQI
101AQI
78AQI
61AQI
60AQI
56AQI
51AQI
50AQI
57AQI
57AQI
51AQI
44AQI
42AQI
44AQI
45AQI
15AQI
16AQI
17AQI
17AQI
23AQI
27AQI
28AQI
21AQI
15AQI
17AQI
19AQI
20AQI
17AQI
20AQI
23AQI
24AQI
27AQI
22AQI
26AQI
38AQI
25AQI
19AQI
18AQI
20AQI
23AQI
24AQI
29AQI
33AQI
32AQI
30AQI
26AQI
23AQI
23AQI
16AQI
17AQI
19AQI
26AQI
25AQI
14AQI
14AQI
14AQI
25AQI
23AQI
16AQI
11AQI
16AQI
25AQI
32AQI
48AQI
44AQI
45AQI
21AQI
14AQI
19AQI
17AQI
27AQI
18AQI
17AQI
12AQI
22AQI
27AQI
32AQI
29AQI
22AQI
19AQI
19AQI
41AQI
41AQI
40AQI
23AQI
25AQI
No. of days
202530AQI
Highest AQI recorded in
July41AQI
Lowest AQI recorded in
April19AQI
Most & Least Polluted Years Over the Last 1 Years
Tower Road's annual 2025 AQI (30) shows an average percentage change of NaN% (improved AQI) compared to previous years: .