Lebanon, New Hampshire, 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
Lebanon, New Hampshire, United States
AQI Trends: Highest and Lowest
Same Day Analysis (17th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 37 of Good air quality, showing improvement over 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Oct - 18th Oct 2025
Lebanon, New Hampshire, United States
6 AM17th Oct 2025
6 PM
5 AM18th Oct 2025
47AQI
28AQI
50AQI
28AQI
In the last 24 hours,
Lebanon's AQI reached its highest point of 50 at 1 AM during the Night, while the lowest point, 28, was recorded at 9 PM during the Night between 17th Oct and 18th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Lebanon, New Hampshire, United States
18°C6/28°C
17°C11/22°C
11°C1/19°C
12°C0/25°C
15°C3/27°C
16°C13/20°C
18°C16/21°C
17°C16/19°C
19°C16/28°C
19°C13/26°C
21°C14/31°C
18°C9/30°C
16°C10/27°C
12°C5/22°C
10°C2/20°C
12°C2/26°C
17°C7/30°C
18°C9/32°C
20°C12/31°C
19°C11/29°C
15°C10/18°C
8°C4/15°C
6°C-1/17°C
9°C1/18°C
10°C2/19°C
12°C10/16°C
12°C9/14°C
10°C4/15°C
8°C3/13°C
9°C3/18°C
--°C/°C
37AQI
32AQI
41AQI
32AQI
2025 Days Vs Air Quality
Lebanon, New Hampshire, United States
90%
260
10%
29
0.3%
1
Total number of days with different AQI categories in last 291 days in 2025 (74 days remaining)
Under WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2025, 90% of 291 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
Lebanon, New Hampshire, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
22AQI
23AQI
24AQI
26AQI
24AQI
23AQI
23AQI
24AQI
26AQI
27AQI
24AQI
29AQI
47AQI
29AQI
25AQI
32AQI
45AQI
34AQI
29AQI
27AQI
33AQI
42AQI
40AQI
49AQI
42AQI
36AQI
30AQI
30AQI
28AQI
29AQI
41AQI
30AQI
28AQI
32AQI
27AQI
27AQI
37AQI
30AQI
28AQI
29AQI
30AQI
34AQI
32AQI
24AQI
28AQI
29AQI
28AQI
30AQI
29AQI
24AQI
28AQI
26AQI
30AQI
36AQI
42AQI
41AQI
30AQI
28AQI
29AQI
28AQI
29AQI
29AQI
39AQI
37AQI
22AQI
32AQI
33AQI
31AQI
28AQI
32AQI
31AQI
21AQI
26AQI
33AQI
26AQI
16AQI
18AQI
22AQI
16AQI
14AQI
17AQI
16AQI
19AQI
21AQI
20AQI
17AQI
19AQI
17AQI
17AQI
21AQI
17AQI
17AQI
17AQI
19AQI
15AQI
13AQI
17AQI
15AQI
15AQI
23AQI
20AQI
17AQI
18AQI
23AQI
20AQI
12AQI
16AQI
21AQI
35AQI
16AQI
16AQI
19AQI
14AQI
20AQI
28AQI
21AQI
10AQI
19AQI
26AQI
17AQI
18AQI
24AQI
28AQI
21AQI
17AQI
15AQI
20AQI
19AQI
19AQI
13AQI
17AQI
21AQI
27AQI
30AQI
29AQI
31AQI
30AQI
17AQI
12AQI
13AQI
16AQI
15AQI
12AQI
14AQI
15AQI
21AQI
25AQI
29AQI
22AQI
23AQI
22AQI
12AQI
17AQI
24AQI
46AQI
61AQI
51AQI
57AQI
81AQI
77AQI
27AQI
50AQI
66AQI
43AQI
35AQI
47AQI
46AQI
33AQI
17AQI
30AQI
27AQI
47AQI
49AQI
51AQI
52AQI
42AQI
47AQI
30AQI
25AQI
25AQI
29AQI
36AQI
32AQI
46AQI
40AQI
33AQI
41AQI
53AQI
36AQI
28AQI
29AQI
32AQI
38AQI
30AQI
24AQI
43AQI
62AQI
48AQI
18AQI
23AQI
26AQI
25AQI
21AQI
23AQI
35AQI
51AQI
87AQI
94AQI
63AQI
59AQI
44AQI
68AQI
38AQI
41AQI
73AQI
90AQI
103AQI
65AQI
59AQI
64AQI
62AQI
58AQI
57AQI
56AQI
51AQI
42AQI
48AQI
44AQI
50AQI
15AQI
18AQI
17AQI
21AQI
26AQI
31AQI
29AQI
25AQI
16AQI
19AQI
21AQI
24AQI
17AQI
20AQI
26AQI
31AQI
29AQI
32AQI
28AQI
46AQI
35AQI
21AQI
20AQI
23AQI
27AQI
33AQI
32AQI
32AQI
33AQI
31AQI
27AQI
26AQI
25AQI
22AQI
22AQI
23AQI
27AQI
22AQI
15AQI
16AQI
16AQI
27AQI
24AQI
19AQI
15AQI
21AQI
33AQI
42AQI
55AQI
55AQI
54AQI
19AQI
18AQI
21AQI
32AQI
34AQI
18AQI
21AQI
12AQI
23AQI
37AQI
31AQI
30AQI
24AQI
19AQI
20AQI
41AQI
42AQI
42AQI
26AQI
30AQI
No. of days
202531AQI
Highest AQI recorded in
August42AQI
Lowest AQI recorded in
April19AQI
202427AQI
Highest AQI recorded in
August32AQI
Lowest AQI recorded in
November23AQI
202331AQI
Highest AQI recorded in
July40AQI
Lowest AQI recorded in
October23AQI
202228AQI
Highest AQI recorded in
January36AQI
Lowest AQI recorded in
September22AQI
202130AQI
Highest AQI recorded in
August37AQI
Lowest AQI recorded in
October23AQI
202026AQI
Highest AQI recorded in
December30AQI
Lowest AQI recorded in
August22AQI
Most & Least Polluted Years Over the Last 6 Years
Lebanon's annual 2025 AQI (31) shows an average percentage change of 8.05% (worsened AQI) compared to previous years: 2020 (26), 2021 (30), 2022 (28), 2023 (31), 2024 (27).