Caerleon, Newport, 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
Caerleon, Newport, United Kingdom
AQI Trends: Highest and Lowest
Same Day Analysis (2nd October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 56 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Oct - 3rd Oct 2025
Caerleon, Newport, United Kingdom
6 AM2nd Oct 2025
7 PM
5 AM3rd Oct 2025
65AQI
53AQI
61AQI
31AQI
In the last 24 hours,
Caerleon's AQI reached its highest point of 65 at 10 AM during the Day, while the lowest point, 31, was recorded at 5 AM during the Night between 2nd Oct and 3rd Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Caerleon, Newport, United Kingdom
16°C14/18°C
14°C13/18°C
15°C12/19°C
17°C12/21°C
17°C13/19°C
15°C12/18°C
15°C12/18°C
15°C13/17°C
14°C13/15°C
14°C12/16°C
13°C11/16°C
14°C11/18°C
15°C13/16°C
14°C13/16°C
16°C13/18°C
18°C17/20°C
17°C15/20°C
15°C10/16°C
12°C8/15°C
10°C7/15°C
12°C7/16°C
12°C9/16°C
12°C8/17°C
12°C8/16°C
13°C11/16°C
14°C11/17°C
12°C9/15°C
13°C10/17°C
14°C12/17°C
15°C12/18°C
--°C/°C
26AQI
21AQI
25AQI
23AQI
2025 Days Vs Air Quality
Caerleon, Newport, United Kingdom
81%
224
18%
50
0.3%
1
Total number of days with different AQI categories in last 276 days in 2025 (89 days remaining)
Under WHO’s Safe Air Quality Limits: 81%
Health Risk Level:
Low
In 2025, 81% of 276 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
Caerleon, Newport, United Kingdom
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
28AQI
35AQI
39AQI
48AQI
24AQI
24AQI
23AQI
31AQI
39AQI
47AQI
77AQI
71AQI
40AQI
40AQI
40AQI
55AQI
55AQI
58AQI
67AQI
62AQI
64AQI
72AQI
33AQI
52AQI
33AQI
29AQI
31AQI
26AQI
26AQI
28AQI
35AQI
38AQI
30AQI
42AQI
28AQI
39AQI
38AQI
31AQI
57AQI
73AQI
66AQI
63AQI
65AQI
66AQI
63AQI
76AQI
74AQI
70AQI
75AQI
78AQI
28AQI
34AQI
41AQI
31AQI
28AQI
28AQI
25AQI
23AQI
29AQI
42AQI
47AQI
51AQI
60AQI
83AQI
81AQI
56AQI
52AQI
74AQI
116AQI
49AQI
25AQI
24AQI
37AQI
32AQI
39AQI
28AQI
51AQI
70AQI
61AQI
55AQI
51AQI
52AQI
91AQI
55AQI
34AQI
29AQI
19AQI
22AQI
31AQI
34AQI
35AQI
37AQI
55AQI
67AQI
36AQI
24AQI
30AQI
44AQI
50AQI
52AQI
64AQI
54AQI
33AQI
22AQI
29AQI
17AQI
20AQI
23AQI
34AQI
29AQI
30AQI
22AQI
16AQI
49AQI
52AQI
59AQI
25AQI
27AQI
45AQI
56AQI
49AQI
41AQI
20AQI
18AQI
18AQI
25AQI
29AQI
19AQI
28AQI
28AQI
33AQI
30AQI
33AQI
32AQI
39AQI
40AQI
40AQI
43AQI
39AQI
37AQI
32AQI
33AQI
36AQI
25AQI
23AQI
27AQI
25AQI
23AQI
21AQI
19AQI
20AQI
28AQI
22AQI
23AQI
26AQI
16AQI
16AQI
15AQI
23AQI
62AQI
37AQI
30AQI
37AQI
34AQI
26AQI
26AQI
27AQI
28AQI
29AQI
33AQI
40AQI
40AQI
39AQI
26AQI
24AQI
16AQI
16AQI
20AQI
16AQI
19AQI
21AQI
24AQI
18AQI
17AQI
19AQI
18AQI
17AQI
16AQI
18AQI
18AQI
20AQI
21AQI
23AQI
24AQI
28AQI
26AQI
27AQI
21AQI
19AQI
20AQI
19AQI
19AQI
16AQI
21AQI
38AQI
55AQI
32AQI
24AQI
27AQI
21AQI
18AQI
19AQI
22AQI
20AQI
25AQI
23AQI
24AQI
28AQI
28AQI
26AQI
23AQI
37AQI
49AQI
52AQI
57AQI
49AQI
37AQI
42AQI
36AQI
32AQI
31AQI
29AQI
27AQI
27AQI
26AQI
32AQI
33AQI
31AQI
28AQI
24AQI
22AQI
21AQI
24AQI
24AQI
22AQI
22AQI
20AQI
21AQI
20AQI
23AQI
22AQI
21AQI
21AQI
22AQI
18AQI
17AQI
19AQI
28AQI
22AQI
18AQI
15AQI
20AQI
26AQI
17AQI
16AQI
18AQI
25AQI
23AQI
24AQI
32AQI
19AQI
27AQI
34AQI
44AQI
56AQI
43AQI
48AQI
50AQI
38AQI
30AQI
27AQI
23AQI
31AQI
22AQI
50AQI
No. of days
202535AQI
Highest AQI recorded in
March50AQI
Lowest AQI recorded in
September22AQI
202431AQI
Highest AQI recorded in
November37AQI
Lowest AQI recorded in
July25AQI
202332AQI
Highest AQI recorded in
February40AQI
Lowest AQI recorded in
August25AQI
202234AQI
Highest AQI recorded in
March46AQI
Lowest AQI recorded in
August23AQI
202130AQI
Highest AQI recorded in
March39AQI
Lowest AQI recorded in
August24AQI
202029AQI
Highest AQI recorded in
April49AQI
Lowest AQI recorded in
July15AQI
Most & Least Polluted Years Over the Last 6 Years
Caerleon's annual 2025 AQI (35) shows an average percentage change of 11.1% (worsened AQI) compared to previous years: 2020 (29), 2021 (30), 2022 (34), 2023 (32), 2024 (31).