Gorham, 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
Gorham, New Hampshire, United States
AQI Trends: Highest and Lowest
Same Day Analysis (18th October ):
On this day, AQI across the 1 years varied significantly: 2025 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: 18th Oct - 19th Oct 2025
Gorham, New Hampshire, United States
6 AM18th Oct 2025
6 PM
5 AM19th Oct 2025
43AQI
28AQI
46AQI
29AQI
In the last 24 hours,
Gorham's AQI reached its highest point of 46 at 11 PM during the Night, while the lowest point, 28, was recorded at 5 PM during the Day between 18th Oct and 19th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Gorham, New Hampshire, United States
13°C9/16°C
9°C3/15°C
7°C0/12°C
10°C4/15°C
11°C9/14°C
9°C7/10°C
9°C7/11°C
11°C8/13°C
9°C6/13°C
11°C7/15°C
10°C5/15°C
7°C1/11°C
1°C-2/7°C
3°C-3/9°C
9°C4/14°C
11°C7/16°C
14°C9/19°C
14°C11/19°C
13°C9/17°C
5°C-3/8°C
-3°C-6/1°C
1°C-5/7°C
4°C-1/10°C
2°C-2/5°C
3°C0/6°C
6°C4/9°C
1°C-4/3°C
-3°C-4/0°C
0°C-3/4°C
4°C-1/8°C
--°C/°C
34AQI
23AQI
32AQI
25AQI
2025 Days Vs Air Quality
Gorham, New Hampshire, United States
84%
173
16%
32
0.4%
1
Total number of days with different AQI categories in last 292 days in 2025 (73 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2025, 84% of 292 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
Gorham, New Hampshire, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
18AQI
22AQI
32AQI
22AQI
22AQI
16AQI
18AQI
18AQI
17AQI
16AQI
14AQI
17AQI
13AQI
16AQI
22AQI
21AQI
16AQI
17AQI
20AQI
21AQI
10AQI
13AQI
21AQI
46AQI
13AQI
19AQI
19AQI
15AQI
24AQI
39AQI
20AQI
10AQI
17AQI
23AQI
16AQI
16AQI
24AQI
22AQI
21AQI
16AQI
14AQI
20AQI
19AQI
15AQI
16AQI
21AQI
22AQI
30AQI
26AQI
24AQI
33AQI
29AQI
18AQI
12AQI
13AQI
15AQI
12AQI
11AQI
11AQI
13AQI
18AQI
21AQI
24AQI
18AQI
27AQI
20AQI
13AQI
17AQI
24AQI
48AQI
65AQI
58AQI
61AQI
79AQI
65AQI
33AQI
57AQI
68AQI
53AQI
52AQI
42AQI
36AQI
26AQI
19AQI
25AQI
30AQI
46AQI
46AQI
50AQI
52AQI
46AQI
37AQI
30AQI
25AQI
31AQI
33AQI
37AQI
33AQI
50AQI
43AQI
40AQI
54AQI
47AQI
27AQI
28AQI
33AQI
38AQI
41AQI
34AQI
31AQI
53AQI
56AQI
35AQI
16AQI
22AQI
28AQI
35AQI
18AQI
25AQI
38AQI
51AQI
95AQI
84AQI
54AQI
54AQI
51AQI
64AQI
44AQI
44AQI
84AQI
106AQI
93AQI
70AQI
67AQI
61AQI
54AQI
53AQI
54AQI
54AQI
48AQI
45AQI
51AQI
50AQI
47AQI
16AQI
17AQI
16AQI
16AQI
22AQI
27AQI
26AQI
21AQI
15AQI
17AQI
19AQI
20AQI
17AQI
20AQI
23AQI
25AQI
25AQI
27AQI
29AQI
40AQI
26AQI
18AQI
17AQI
19AQI
23AQI
27AQI
33AQI
37AQI
36AQI
33AQI
26AQI
25AQI
24AQI
16AQI
17AQI
19AQI
29AQI
26AQI
19AQI
18AQI
18AQI
30AQI
27AQI
22AQI
21AQI
23AQI
32AQI
46AQI
54AQI
52AQI
47AQI
20AQI
23AQI
26AQI
36AQI
42AQI
27AQI
24AQI
21AQI
22AQI
30AQI
38AQI
23AQI
19AQI
19AQI
42AQI
42AQI
42AQI
25AQI
32AQI
No. of days
202532AQI
Highest AQI recorded in
July42AQI
Lowest AQI recorded in
April19AQI
Most & Least Polluted Years Over the Last 1 Years
Gorham's annual 2025 AQI (32) shows an average percentage change of NaN% (improved AQI) compared to previous years: .