Kuala Belait, Belait, Brunei Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
November Air Quality Analysis
Kuala Belait, Belait, Brunei
AQI Trends: Highest and Lowest
Same Day Analysis (12th November ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 63 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 13th Nov - 14th Nov 2025
Kuala Belait, Belait, Brunei
6 AM13th Nov 2025
6 PM
5 AM14th Nov 2025
AQI
AQI
75AQI
32AQI
In the last 24 hours,
Kuala Belait's AQI reached its highest point of 75 at 8 PM during the Night, while the lowest point, 32, was recorded at 9 AM during the Night between 13th Nov and 14th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Kuala Belait, Belait, Brunei
27°C24/30°C
27°C25/30°C
27°C25/30°C
27°C25/30°C
27°C25/30°C
28°C25/31°C
27°C25/30°C
27°C25/30°C
27°C24/30°C
25°C24/26°C
27°C24/30°C
27°C24/30°C
26°C25/29°C
26°C24/27°C
27°C25/31°C
26°C25/29°C
27°C25/31°C
27°C24/30°C
27°C24/31°C
28°C25/31°C
27°C25/30°C
26°C24/28°C
27°C24/29°C
27°C25/31°C
27°C25/31°C
27°C24/30°C
27°C24/30°C
27°C25/30°C
26°C25/29°C
--°C/°C
--°C/°C
66AQI
51AQI
65AQI
53AQI
2025 Days Vs Air Quality
Kuala Belait, Belait, Brunei
51%
161
49%
155
Total number of days with different AQI categories in last 317 days in 2025 (48 days remaining)
Under WHO’s Safe Air Quality Limits: 51%
Health Risk Level:
Considerable
In 2025, 51% of 317 days were within WHO’s safe air quality limits, and 49% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Kuala Belait, Belait, Brunei
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
56AQI
56AQI
56AQI
58AQI
57AQI
57AQI
57AQI
56AQI
58AQI
56AQI
56AQI
55AQI
55AQI
56AQI
55AQI
55AQI
55AQI
56AQI
56AQI
56AQI
56AQI
56AQI
56AQI
56AQI
55AQI
55AQI
54AQI
54AQI
54AQI
54AQI
54AQI
53AQI
54AQI
54AQI
53AQI
53AQI
55AQI
54AQI
54AQI
54AQI
54AQI
54AQI
54AQI
55AQI
55AQI
56AQI
56AQI
59AQI
59AQI
60AQI
60AQI
59AQI
61AQI
61AQI
60AQI
59AQI
59AQI
57AQI
58AQI
58AQI
57AQI
59AQI
57AQI
56AQI
56AQI
55AQI
55AQI
53AQI
52AQI
52AQI
51AQI
52AQI
52AQI
50AQI
50AQI
49AQI
48AQI
47AQI
47AQI
47AQI
49AQI
50AQI
50AQI
50AQI
50AQI
51AQI
50AQI
50AQI
50AQI
50AQI
48AQI
48AQI
48AQI
48AQI
47AQI
48AQI
47AQI
49AQI
49AQI
48AQI
50AQI
49AQI
52AQI
54AQI
55AQI
55AQI
55AQI
56AQI
55AQI
56AQI
55AQI
55AQI
55AQI
55AQI
54AQI
54AQI
54AQI
54AQI
53AQI
54AQI
54AQI
53AQI
52AQI
52AQI
52AQI
53AQI
53AQI
54AQI
53AQI
52AQI
52AQI
52AQI
53AQI
53AQI
53AQI
53AQI
52AQI
52AQI
49AQI
46AQI
49AQI
45AQI
45AQI
44AQI
46AQI
46AQI
46AQI
47AQI
48AQI
47AQI
50AQI
50AQI
49AQI
50AQI
48AQI
49AQI
48AQI
47AQI
44AQI
44AQI
42AQI
42AQI
42AQI
42AQI
42AQI
41AQI
41AQI
42AQI
44AQI
47AQI
49AQI
49AQI
49AQI
49AQI
49AQI
50AQI
51AQI
50AQI
51AQI
51AQI
50AQI
50AQI
48AQI
48AQI
48AQI
49AQI
48AQI
49AQI
49AQI
49AQI
50AQI
50AQI
49AQI
50AQI
50AQI
50AQI
50AQI
51AQI
50AQI
51AQI
50AQI
48AQI
47AQI
47AQI
49AQI
50AQI
51AQI
51AQI
51AQI
53AQI
52AQI
52AQI
53AQI
53AQI
54AQI
51AQI
48AQI
47AQI
46AQI
45AQI
44AQI
41AQI
39AQI
36AQI
37AQI
36AQI
34AQI
36AQI
37AQI
37AQI
41AQI
36AQI
37AQI
40AQI
42AQI
45AQI
45AQI
42AQI
47AQI
48AQI
49AQI
50AQI
52AQI
49AQI
43AQI
41AQI
43AQI
36AQI
32AQI
31AQI
29AQI
31AQI
30AQI
29AQI
31AQI
28AQI
28AQI
29AQI
30AQI
33AQI
35AQI
35AQI
38AQI
40AQI
42AQI
45AQI
45AQI
53AQI
62AQI
66AQI
62AQI
49AQI
37AQI
34AQI
47AQI
41AQI
43AQI
47AQI
53AQI
53AQI
49AQI
48AQI
44AQI
57AQI
56AQI
52AQI
46AQI
60AQI
55AQI
59AQI
58AQI
61AQI
64AQI
54AQI
32AQI
35AQI
33AQI
39AQI
49AQI
68AQI
59AQI
64AQI
77AQI
70AQI
75AQI
78AQI
75AQI
63AQI
35AQI
40AQI
62AQI
83AQI
69AQI
50AQI
45AQI
63AQI
56AQI
56AQI
52AQI
52AQI
50AQI
47AQI
50AQI
43AQI
39AQI
52AQI
62AQI
No. of days
202550AQI
Highest AQI recorded in
November62AQI
Lowest AQI recorded in
September39AQI
202416AQI
Highest AQI recorded in
December52AQI
Lowest AQI recorded in
February0AQI
20233AQI
Highest AQI recorded in
December32AQI
Lowest AQI recorded in
November0AQI
20220AQI
Highest AQI recorded in
January0AQI
Lowest AQI recorded in
December0AQI
20215AQI
Highest AQI recorded in
February17AQI
Lowest AQI recorded in
December0AQI
202013AQI
Highest AQI recorded in
March20AQI
Lowest AQI recorded in
July11AQI
Most & Least Polluted Years Over the Last 6 Years
Kuala Belait's annual 2025 AQI (50) shows an average percentage change of 633.8% (worsened AQI) compared to previous years: 2020 (13), 2021 (5), 2022 (0), 2023 (3), 2024 (16).