Buncranna, Derry, Derry and Strabane, United Kingdom 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
Buncranna, Derry, Derry and Strabane, United Kingdom
AQI Trends: Highest and Lowest
Same Day Analysis (4th October ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 50 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Oct - 5th Oct 2025
Buncranna, Derry, Derry and Strabane, United Kingdom
7 AM4th Oct 2025
7 PM
6 AM5th Oct 2025
56AQI
39AQI
73AQI
61AQI
In the last 24 hours,
Buncranna's AQI reached its highest point of 73 at 11 PM during the Night, while the lowest point, 39, was recorded at 9 AM during the Day between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Buncranna, Derry, Derry and Strabane, United Kingdom
13°C10/16°C
15°C11/18°C
15°C9/17°C
12°C8/16°C
13°C9/17°C
13°C11/15°C
12°C10/13°C
11°C10/14°C
10°C7/13°C
11°C9/14°C
13°C10/15°C
12°C11/14°C
13°C10/16°C
14°C12/15°C
13°C9/15°C
10°C9/12°C
10°C7/11°C
9°C7/12°C
9°C5/14°C
10°C6/15°C
12°C8/16°C
12°C9/16°C
11°C8/13°C
10°C6/14°C
11°C7/15°C
14°C12/16°C
15°C14/16°C
14°C12/14°C
12°C10/17°C
10°C9/12°C
--°C/°C
23AQI
20AQI
24AQI
21AQI
2025 Days Vs Air Quality
Buncranna, Derry, Derry and Strabane, United Kingdom
87%
241
13%
36
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2025, 87% of 278 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
Buncranna, Derry, Derry and Strabane, United Kingdom
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
36AQI
54AQI
56AQI
66AQI
67AQI
38AQI
31AQI
59AQI
67AQI
81AQI
51AQI
58AQI
24AQI
20AQI
23AQI
27AQI
26AQI
27AQI
30AQI
39AQI
41AQI
47AQI
34AQI
30AQI
25AQI
28AQI
35AQI
40AQI
33AQI
34AQI
41AQI
53AQI
26AQI
25AQI
26AQI
30AQI
55AQI
49AQI
46AQI
64AQI
55AQI
49AQI
54AQI
46AQI
55AQI
59AQI
49AQI
64AQI
66AQI
62AQI
30AQI
33AQI
31AQI
33AQI
32AQI
28AQI
26AQI
31AQI
45AQI
32AQI
55AQI
27AQI
29AQI
25AQI
38AQI
32AQI
44AQI
68AQI
58AQI
37AQI
28AQI
29AQI
29AQI
44AQI
39AQI
25AQI
36AQI
63AQI
81AQI
67AQI
64AQI
29AQI
33AQI
22AQI
28AQI
18AQI
23AQI
33AQI
48AQI
34AQI
29AQI
36AQI
45AQI
52AQI
51AQI
38AQI
47AQI
54AQI
51AQI
54AQI
56AQI
55AQI
31AQI
14AQI
20AQI
19AQI
17AQI
17AQI
20AQI
35AQI
36AQI
29AQI
20AQI
36AQI
35AQI
29AQI
16AQI
20AQI
26AQI
40AQI
45AQI
26AQI
25AQI
17AQI
20AQI
21AQI
22AQI
23AQI
40AQI
50AQI
37AQI
24AQI
33AQI
24AQI
27AQI
25AQI
25AQI
23AQI
22AQI
29AQI
30AQI
24AQI
24AQI
20AQI
17AQI
18AQI
15AQI
17AQI
15AQI
21AQI
17AQI
18AQI
23AQI
22AQI
23AQI
20AQI
17AQI
17AQI
21AQI
67AQI
50AQI
30AQI
28AQI
34AQI
27AQI
25AQI
25AQI
33AQI
25AQI
22AQI
25AQI
34AQI
36AQI
24AQI
20AQI
17AQI
16AQI
17AQI
17AQI
23AQI
19AQI
15AQI
16AQI
14AQI
18AQI
16AQI
16AQI
16AQI
18AQI
16AQI
17AQI
18AQI
20AQI
21AQI
21AQI
18AQI
18AQI
19AQI
17AQI
16AQI
17AQI
17AQI
18AQI
36AQI
53AQI
54AQI
36AQI
29AQI
24AQI
18AQI
15AQI
18AQI
19AQI
19AQI
19AQI
21AQI
24AQI
29AQI
27AQI
24AQI
27AQI
24AQI
24AQI
28AQI
45AQI
43AQI
34AQI
36AQI
36AQI
32AQI
31AQI
23AQI
19AQI
19AQI
21AQI
21AQI
26AQI
25AQI
24AQI
21AQI
22AQI
18AQI
23AQI
26AQI
23AQI
19AQI
16AQI
18AQI
17AQI
23AQI
22AQI
19AQI
19AQI
20AQI
19AQI
17AQI
17AQI
18AQI
18AQI
17AQI
22AQI
22AQI
23AQI
20AQI
19AQI
21AQI
20AQI
22AQI
22AQI
19AQI
18AQI
22AQI
17AQI
14AQI
23AQI
31AQI
50AQI
41AQI
44AQI
39AQI
34AQI
25AQI
26AQI
21AQI
26AQI
20AQI
30AQI
No. of days
202531AQI
Highest AQI recorded in
February44AQI
Lowest AQI recorded in
September20AQI
202431AQI
Highest AQI recorded in
February40AQI
Lowest AQI recorded in
July21AQI
202329AQI
Highest AQI recorded in
December40AQI
Lowest AQI recorded in
June19AQI
202229AQI
Highest AQI recorded in
February46AQI
Lowest AQI recorded in
August8AQI
Most & Least Polluted Years Over the Last 4 Years
Buncranna's annual 2025 AQI (31) shows an average percentage change of 2.9% (worsened AQI) compared to previous years: 2022 (29), 2023 (29), 2024 (31).