HistoryAQIPM2.5PM10COSO2NO2O3

Brunei Muara, Bandar Seri Begawan, Brunei And Muara, Brunei Historical Air Quality Analysis

Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!

Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

September Air Quality Analysis

Brunei Muara, Bandar Seri Begawan, Brunei And Muara, Brunei

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
1st Sep 2025
48AQI
Lowest AQI recorded on
1st Sep 2021
0AQI

Same Day Analysis (22nd September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 42 of Good air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 22nd Sep - 23rd Sep 2025

Brunei Muara, Bandar Seri Begawan, Brunei And Muara, Brunei

AQI
Day
Night
.

6 AM22nd Sep 2025

6 PM

5 AM23rd Sep 2025

Day time
Avg. Highest Time
9AM22nd Sep

56AQI

Avg. Lowest Time
2PM22nd Sep

33AQI

Night time
Avg. Highest Time
11PM22nd Sep

52AQI

Avg. Lowest Time
9PM22nd Sep

37AQI

In the last 24 hours,

Brunei Muara's AQI reached its highest point of 56 at 9 AM during the Day, while the lowest point, 33, was recorded at 2 PM during the Day between 22nd Sep and 23rd Sep 2025.

Day & Night AQI Trend : Aug - Sep 2025

Brunei Muara, Bandar Seri Begawan, Brunei And Muara, Brunei

AugSep
24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd
Day
Night
24th Aug 2025426 AMAQI
24th Aug 2025427 AMAQI
24th Aug 2025428 AMAQI
24th Aug 2025409 AMAQI
24th Aug 20253310 AMAQI
24th Aug 20254111 AMAQI
24th Aug 20253612 PMAQI
24th Aug 2025441 PMAQI
24th Aug 2025452 PMAQI
24th Aug 2025423 PMAQI
24th Aug 2025414 PMAQI
24th Aug 2025425 PMAQI
24th Aug 2025406 PMAQI
24th Aug 2025507 PMAQI
24th Aug 2025538 PMAQI
24th Aug 2025519 PMAQI
24th Aug 20255410 PMAQI
24th Aug 20254911 PMAQI
25th Aug 20254812 AMAQI
25th Aug 2025441 AMAQI
25th Aug 2025462 AMAQI
25th Aug 2025443 AMAQI
25th Aug 2025444 AMAQI
25th Aug 2025425 AMAQI

27°C24/32°C

25th Aug 2025426 AMAQI
25th Aug 2025467 AMAQI
25th Aug 2025348 AMAQI
25th Aug 2025329 AMAQI
25th Aug 20253510 AMAQI
25th Aug 20254011 AMAQI
25th Aug 20254012 PMAQI
25th Aug 2025451 PMAQI
25th Aug 2025422 PMAQI
25th Aug 2025413 PMAQI
25th Aug 2025454 PMAQI
25th Aug 2025475 PMAQI
25th Aug 2025486 PMAQI
25th Aug 2025507 PMAQI
25th Aug 2025518 PMAQI
25th Aug 2025489 PMAQI
25th Aug 20255210 PMAQI
25th Aug 20254011 PMAQI
26th Aug 20254712 AMAQI
26th Aug 2025471 AMAQI
26th Aug 2025462 AMAQI
26th Aug 2025473 AMAQI
26th Aug 2025444 AMAQI
26th Aug 2025455 AMAQI

27°C24/31°C

26th Aug 2025446 AMAQI
26th Aug 2025467 AMAQI
26th Aug 2025338 AMAQI
26th Aug 2025449 AMAQI
26th Aug 20253610 AMAQI
26th Aug 20253411 AMAQI
26th Aug 20253612 PMAQI
26th Aug 2025341 PMAQI
26th Aug 2025362 PMAQI
26th Aug 2025353 PMAQI
26th Aug 2025524 PMAQI
26th Aug 2025325 PMAQI
26th Aug 2025426 PMAQI
26th Aug 2025447 PMAQI
26th Aug 2025448 PMAQI
26th Aug 2025489 PMAQI
26th Aug 20254510 PMAQI
26th Aug 20254811 PMAQI
27th Aug 20254612 AMAQI
27th Aug 2025471 AMAQI
27th Aug 2025492 AMAQI
27th Aug 2025473 AMAQI
27th Aug 2025444 AMAQI
27th Aug 2025435 AMAQI

27°C25/31°C

27th Aug 2025446 AMAQI
27th Aug 2025447 AMAQI
27th Aug 2025328 AMAQI
27th Aug 2025399 AMAQI
27th Aug 20254810 AMAQI
27th Aug 20253911 AMAQI
27th Aug 20254412 PMAQI
27th Aug 2025341 PMAQI
27th Aug 2025352 PMAQI
27th Aug 2025413 PMAQI
27th Aug 2025454 PMAQI
27th Aug 2025475 PMAQI
27th Aug 2025506 PMAQI
27th Aug 2025547 PMAQI
27th Aug 2025538 PMAQI
27th Aug 2025549 PMAQI
27th Aug 20255010 PMAQI
27th Aug 20254811 PMAQI
28th Aug 20254612 AMAQI
28th Aug 2025471 AMAQI
28th Aug 2025472 AMAQI
28th Aug 2025463 AMAQI
28th Aug 2025444 AMAQI
28th Aug 2025465 AMAQI

26°C24/30°C

28th Aug 2025476 AMAQI
28th Aug 2025457 AMAQI
28th Aug 2025408 AMAQI
28th Aug 2025529 AMAQI
28th Aug 20255510 AMAQI
28th Aug 20254511 AMAQI
28th Aug 20254612 PMAQI
28th Aug 2025471 PMAQI
28th Aug 2025542 PMAQI
28th Aug 2025523 PMAQI
28th Aug 2025504 PMAQI
28th Aug 2025475 PMAQI
28th Aug 2025446 PMAQI
28th Aug 2025527 PMAQI
28th Aug 2025508 PMAQI
28th Aug 2025529 PMAQI
28th Aug 20254710 PMAQI
28th Aug 20254611 PMAQI
29th Aug 20254312 AMAQI
29th Aug 2025481 AMAQI
29th Aug 2025502 AMAQI
29th Aug 2025493 AMAQI
29th Aug 2025494 AMAQI
29th Aug 2025505 AMAQI

27°C24/32°C

29th Aug 2025516 AMAQI
29th Aug 2025507 AMAQI
29th Aug 2025418 AMAQI
29th Aug 2025489 AMAQI
29th Aug 20255010 AMAQI
29th Aug 20255611 AMAQI
29th Aug 20255312 PMAQI
29th Aug 2025471 PMAQI
29th Aug 2025562 PMAQI
29th Aug 2025513 PMAQI
29th Aug 2025524 PMAQI
29th Aug 2025465 PMAQI
29th Aug 2025416 PMAQI
29th Aug 2025507 PMAQI
29th Aug 2025538 PMAQI
29th Aug 2025579 PMAQI
29th Aug 20255210 PMAQI
29th Aug 20255111 PMAQI
30th Aug 20255012 AMAQI
30th Aug 2025491 AMAQI
30th Aug 2025492 AMAQI
30th Aug 2025503 AMAQI
30th Aug 2025494 AMAQI
30th Aug 2025515 AMAQI

27°C24/32°C

30th Aug 2025506 AMAQI
30th Aug 2025507 AMAQI
30th Aug 2025408 AMAQI
30th Aug 2025539 AMAQI
30th Aug 20254810 AMAQI
30th Aug 20254511 AMAQI
30th Aug 20254912 PMAQI
30th Aug 2025391 PMAQI
30th Aug 2025382 PMAQI
30th Aug 2025443 PMAQI
30th Aug 2025444 PMAQI
30th Aug 2025385 PMAQI
30th Aug 2025446 PMAQI
30th Aug 2025477 PMAQI
30th Aug 2025538 PMAQI
30th Aug 2025549 PMAQI
30th Aug 20255110 PMAQI
30th Aug 20255011 PMAQI
31st Aug 20255212 AMAQI
31st Aug 2025501 AMAQI
31st Aug 2025532 AMAQI
31st Aug 2025513 AMAQI
31st Aug 2025504 AMAQI
31st Aug 2025525 AMAQI

27°C24/32°C

31st Aug 2025506 AMAQI
31st Aug 2025507 AMAQI
31st Aug 2025368 AMAQI
31st Aug 2025389 AMAQI
31st Aug 20254610 AMAQI
31st Aug 20253511 AMAQI
31st Aug 20254012 PMAQI
31st Aug 2025471 PMAQI
31st Aug 2025492 PMAQI
31st Aug 2025523 PMAQI
31st Aug 2025494 PMAQI
31st Aug 2025505 PMAQI
31st Aug 2025616 PMAQI
31st Aug 2025587 PMAQI
31st Aug 2025568 PMAQI
31st Aug 2025539 PMAQI
31st Aug 20255010 PMAQI
31st Aug 20254711 PMAQI
1st Sep 20254812 AMAQI
1st Sep 2025501 AMAQI
1st Sep 2025512 AMAQI
1st Sep 2025523 AMAQI
1st Sep 2025514 AMAQI
1st Sep 2025515 AMAQI

27°C25/31°C

1st Sep 2025526 AMAQI
1st Sep 2025517 AMAQI
1st Sep 2025328 AMAQI
1st Sep 2025369 AMAQI
1st Sep 20254810 AMAQI
1st Sep 20254111 AMAQI
1st Sep 20254512 PMAQI
1st Sep 2025461 PMAQI
1st Sep 2025472 PMAQI
1st Sep 2025403 PMAQI
1st Sep 2025424 PMAQI
1st Sep 2025475 PMAQI
1st Sep 2025476 PMAQI
1st Sep 2025467 PMAQI
1st Sep 2025548 PMAQI
1st Sep 2025549 PMAQI
1st Sep 20255610 PMAQI
1st Sep 20255111 PMAQI
2nd Sep 20255112 AMAQI
2nd Sep 2025511 AMAQI
2nd Sep 2025512 AMAQI
2nd Sep 2025483 AMAQI
2nd Sep 2025484 AMAQI
2nd Sep 2025485 AMAQI

27°C24/30°C

2nd Sep 2025486 AMAQI
2nd Sep 2025487 AMAQI
2nd Sep 2025348 AMAQI
2nd Sep 2025359 AMAQI
2nd Sep 20253210 AMAQI
2nd Sep 20253311 AMAQI
2nd Sep 20252912 PMAQI
2nd Sep 2025321 PMAQI
2nd Sep 2025302 PMAQI
2nd Sep 2025323 PMAQI
2nd Sep 2025334 PMAQI
2nd Sep 2025345 PMAQI
2nd Sep 2025376 PMAQI
2nd Sep 2025407 PMAQI
2nd Sep 2025488 PMAQI
2nd Sep 2025509 PMAQI
2nd Sep 20255110 PMAQI
2nd Sep 20255111 PMAQI
3rd Sep 20254612 AMAQI
3rd Sep 2025491 AMAQI
3rd Sep 2025512 AMAQI
3rd Sep 2025483 AMAQI
3rd Sep 2025454 AMAQI
3rd Sep 2025465 AMAQI

27°C25/32°C

3rd Sep 2025456 AMAQI
3rd Sep 2025477 AMAQI
3rd Sep 2025338 AMAQI
3rd Sep 2025449 AMAQI
3rd Sep 20253610 AMAQI
3rd Sep 20253811 AMAQI
3rd Sep 20253012 PMAQI
3rd Sep 2025371 PMAQI
3rd Sep 2025372 PMAQI
3rd Sep 2025303 PMAQI
3rd Sep 2025324 PMAQI
3rd Sep 2025435 PMAQI
3rd Sep 2025306 PMAQI
3rd Sep 2025367 PMAQI
3rd Sep 2025408 PMAQI
3rd Sep 2025409 PMAQI
3rd Sep 20253510 PMAQI
3rd Sep 20253411 PMAQI
4th Sep 20254312 AMAQI
4th Sep 2025481 AMAQI
4th Sep 2025482 AMAQI
4th Sep 2025463 AMAQI
4th Sep 2025454 AMAQI
4th Sep 2025445 AMAQI

27°C24/32°C

4th Sep 2025446 AMAQI
4th Sep 2025437 AMAQI
4th Sep 2025308 AMAQI
4th Sep 2025329 AMAQI
4th Sep 20253010 AMAQI
4th Sep 20253011 AMAQI
4th Sep 20252112 PMAQI
4th Sep 2025221 PMAQI
4th Sep 2025242 PMAQI
4th Sep 2025263 PMAQI
4th Sep 2025494 PMAQI
4th Sep 2025515 PMAQI
4th Sep 2025506 PMAQI
4th Sep 2025527 PMAQI
4th Sep 2025528 PMAQI
4th Sep 2025429 PMAQI
4th Sep 20253910 PMAQI
4th Sep 20254111 PMAQI
5th Sep 20254412 AMAQI
5th Sep 2025471 AMAQI
5th Sep 2025462 AMAQI
5th Sep 2025443 AMAQI
5th Sep 2025404 AMAQI
5th Sep 2025415 AMAQI

27°C25/30°C

5th Sep 2025416 AMAQI
5th Sep 2025407 AMAQI
5th Sep 2025228 AMAQI
5th Sep 2025229 AMAQI
5th Sep 20252710 AMAQI
5th Sep 20251611 AMAQI
5th Sep 20252212 PMAQI
5th Sep 2025221 PMAQI
5th Sep 2025252 PMAQI
5th Sep 2025283 PMAQI
5th Sep 2025244 PMAQI
5th Sep 2025245 PMAQI
5th Sep 2025276 PMAQI
5th Sep 2025307 PMAQI
5th Sep 2025348 PMAQI
5th Sep 2025329 PMAQI
5th Sep 20253010 PMAQI
5th Sep 20252811 PMAQI
6th Sep 20253212 AMAQI
6th Sep 2025351 AMAQI
6th Sep 2025332 AMAQI
6th Sep 2025353 AMAQI
6th Sep 2025344 AMAQI
6th Sep 2025365 AMAQI

25°C23/29°C

6th Sep 2025356 AMAQI
6th Sep 2025357 AMAQI
6th Sep 2025198 AMAQI
6th Sep 2025269 AMAQI
6th Sep 20252210 AMAQI
6th Sep 20253411 AMAQI
6th Sep 20253412 PMAQI
6th Sep 2025331 PMAQI
6th Sep 2025222 PMAQI
6th Sep 2025263 PMAQI
6th Sep 2025254 PMAQI
6th Sep 2025285 PMAQI
6th Sep 2025236 PMAQI
6th Sep 2025277 PMAQI
6th Sep 2025308 PMAQI
6th Sep 2025309 PMAQI
6th Sep 20253010 PMAQI
6th Sep 20253211 PMAQI
7th Sep 20253312 AMAQI
7th Sep 2025341 AMAQI
7th Sep 2025332 AMAQI
7th Sep 2025343 AMAQI
7th Sep 2025324 AMAQI
7th Sep 2025325 AMAQI

26°C24/30°C

7th Sep 2025346 AMAQI
7th Sep 2025337 AMAQI
7th Sep 2025258 AMAQI
7th Sep 2025219 AMAQI
7th Sep 20252910 AMAQI
7th Sep 20252611 AMAQI
7th Sep 20252212 PMAQI
7th Sep 2025321 PMAQI
7th Sep 2025262 PMAQI
7th Sep 2025283 PMAQI
7th Sep 2025264 PMAQI
7th Sep 2025275 PMAQI
7th Sep 2025286 PMAQI
7th Sep 2025347 PMAQI
7th Sep 2025358 PMAQI
7th Sep 2025329 PMAQI
7th Sep 20253310 PMAQI
7th Sep 20253411 PMAQI
8th Sep 20253312 AMAQI
8th Sep 2025331 AMAQI
8th Sep 2025342 AMAQI
8th Sep 2025333 AMAQI
8th Sep 2025314 AMAQI
8th Sep 2025325 AMAQI

26°C24/30°C

8th Sep 2025336 AMAQI
8th Sep 2025327 AMAQI
8th Sep 2025198 AMAQI
8th Sep 2025369 AMAQI
8th Sep 20251910 AMAQI
8th Sep 20252611 AMAQI
8th Sep 20252212 PMAQI
8th Sep 2025261 PMAQI
8th Sep 2025402 PMAQI
8th Sep 2025253 PMAQI
8th Sep 2025204 PMAQI
8th Sep 2025255 PMAQI
8th Sep 2025286 PMAQI
8th Sep 2025327 PMAQI
8th Sep 2025338 PMAQI
8th Sep 2025319 PMAQI
8th Sep 20253210 PMAQI
8th Sep 20253211 PMAQI
9th Sep 20252812 AMAQI
9th Sep 2025361 AMAQI
9th Sep 2025342 AMAQI
9th Sep 2025343 AMAQI
9th Sep 2025344 AMAQI
9th Sep 2025335 AMAQI

27°C25/30°C

9th Sep 2025326 AMAQI
9th Sep 2025347 AMAQI
9th Sep 2025238 AMAQI
9th Sep 2025249 AMAQI
9th Sep 20252210 AMAQI
9th Sep 20252311 AMAQI
9th Sep 20252112 PMAQI
9th Sep 2025201 PMAQI
9th Sep 2025212 PMAQI
9th Sep 2025213 PMAQI
9th Sep 2025284 PMAQI
9th Sep 2025275 PMAQI
9th Sep 2025486 PMAQI
9th Sep 2025367 PMAQI
9th Sep 2025358 PMAQI
9th Sep 2025349 PMAQI
9th Sep 20252810 PMAQI
9th Sep 20253011 PMAQI
10th Sep 20253112 AMAQI
10th Sep 2025351 AMAQI
10th Sep 2025372 AMAQI
10th Sep 2025323 AMAQI
10th Sep 2025344 AMAQI
10th Sep 2025325 AMAQI

27°C24/31°C

10th Sep 2025346 AMAQI
10th Sep 2025327 AMAQI
10th Sep 2025218 AMAQI
10th Sep 2025259 AMAQI
10th Sep 20252910 AMAQI
10th Sep 20252811 AMAQI
10th Sep 20252812 PMAQI
10th Sep 2025261 PMAQI
10th Sep 2025242 PMAQI
10th Sep 2025333 PMAQI
10th Sep 2025264 PMAQI
10th Sep 2025345 PMAQI
10th Sep 2025296 PMAQI
10th Sep 2025327 PMAQI
10th Sep 2025308 PMAQI
10th Sep 2025429 PMAQI
10th Sep 20253210 PMAQI
10th Sep 20252811 PMAQI
11th Sep 20253112 AMAQI
11th Sep 2025341 AMAQI
11th Sep 2025322 AMAQI
11th Sep 2025313 AMAQI
11th Sep 2025324 AMAQI
11th Sep 2025315 AMAQI

27°C25/29°C

11th Sep 2025326 AMAQI
11th Sep 2025327 AMAQI
11th Sep 2025218 AMAQI
11th Sep 2025239 AMAQI
11th Sep 20251910 AMAQI
11th Sep 20252411 AMAQI
11th Sep 20252512 PMAQI
11th Sep 2025221 PMAQI
11th Sep 2025272 PMAQI
11th Sep 2025263 PMAQI
11th Sep 2025314 PMAQI
11th Sep 2025275 PMAQI
11th Sep 2025276 PMAQI
11th Sep 2025317 PMAQI
11th Sep 2025318 PMAQI
11th Sep 2025319 PMAQI
11th Sep 20252610 PMAQI
11th Sep 20252711 PMAQI
12th Sep 20253012 AMAQI
12th Sep 2025361 AMAQI
12th Sep 2025332 AMAQI
12th Sep 2025323 AMAQI
12th Sep 2025324 AMAQI
12th Sep 2025325 AMAQI

26°C24/30°C

12th Sep 2025326 AMAQI
12th Sep 2025327 AMAQI
12th Sep 2025228 AMAQI
12th Sep 2025219 AMAQI
12th Sep 20252610 AMAQI
12th Sep 20252711 AMAQI
12th Sep 20252512 PMAQI
12th Sep 2025271 PMAQI
12th Sep 2025232 PMAQI
12th Sep 2025293 PMAQI
12th Sep 2025344 PMAQI
12th Sep 2025315 PMAQI
12th Sep 2025426 PMAQI
12th Sep 2025417 PMAQI
12th Sep 2025508 PMAQI
12th Sep 2025409 PMAQI
12th Sep 20254110 PMAQI
12th Sep 20254011 PMAQI
13th Sep 20253412 AMAQI
13th Sep 2025341 AMAQI
13th Sep 2025342 AMAQI
13th Sep 2025323 AMAQI
13th Sep 2025314 AMAQI
13th Sep 2025325 AMAQI

26°C24/30°C

13th Sep 2025326 AMAQI
13th Sep 2025327 AMAQI
13th Sep 2025218 AMAQI
13th Sep 2025189 AMAQI
13th Sep 20252210 AMAQI
13th Sep 20252411 AMAQI
13th Sep 20252412 PMAQI
13th Sep 2025181 PMAQI
13th Sep 2025282 PMAQI
13th Sep 2025263 PMAQI
13th Sep 2025254 PMAQI
13th Sep 2025215 PMAQI
13th Sep 2025226 PMAQI
13th Sep 2025317 PMAQI
13th Sep 2025288 PMAQI
13th Sep 2025309 PMAQI
13th Sep 20252810 PMAQI
13th Sep 20253411 PMAQI
14th Sep 20253012 AMAQI
14th Sep 2025341 AMAQI
14th Sep 2025342 AMAQI
14th Sep 2025323 AMAQI
14th Sep 2025324 AMAQI
14th Sep 2025325 AMAQI

26°C24/29°C

14th Sep 2025306 AMAQI
14th Sep 2025327 AMAQI
14th Sep 2025248 AMAQI
14th Sep 2025189 AMAQI
14th Sep 20251810 AMAQI
14th Sep 20252011 AMAQI
14th Sep 20252012 PMAQI
14th Sep 2025171 PMAQI
14th Sep 2025242 PMAQI
14th Sep 2025163 PMAQI
14th Sep 2025254 PMAQI
14th Sep 2025315 PMAQI
14th Sep 2025266 PMAQI
14th Sep 2025317 PMAQI
14th Sep 2025318 PMAQI
14th Sep 2025349 PMAQI
14th Sep 20252710 PMAQI
14th Sep 20253011 PMAQI
15th Sep 20253212 AMAQI
15th Sep 2025321 AMAQI
15th Sep 2025322 AMAQI
15th Sep 2025303 AMAQI
15th Sep 2025284 AMAQI
15th Sep 2025305 AMAQI

25°C24/28°C

15th Sep 2025306 AMAQI
15th Sep 2025307 AMAQI
15th Sep 2025178 AMAQI
15th Sep 2025229 AMAQI
15th Sep 20252210 AMAQI
15th Sep 20253611 AMAQI
15th Sep 20252012 PMAQI
15th Sep 2025241 PMAQI
15th Sep 2025272 PMAQI
15th Sep 2025263 PMAQI
15th Sep 2025304 PMAQI
15th Sep 2025245 PMAQI
15th Sep 2025266 PMAQI
15th Sep 2025287 PMAQI
15th Sep 2025288 PMAQI
15th Sep 2025299 PMAQI
15th Sep 20253210 PMAQI
15th Sep 20253111 PMAQI
16th Sep 20253212 AMAQI
16th Sep 2025331 AMAQI
16th Sep 2025332 AMAQI
16th Sep 2025323 AMAQI
16th Sep 2025314 AMAQI
16th Sep 2025325 AMAQI

25°C24/27°C

16th Sep 2025326 AMAQI
16th Sep 2025317 AMAQI
16th Sep 2025288 AMAQI
16th Sep 2025349 AMAQI
16th Sep 20253310 AMAQI
16th Sep 20252611 AMAQI
16th Sep 20252612 PMAQI
16th Sep 2025321 PMAQI
16th Sep 2025282 PMAQI
16th Sep 2025253 PMAQI
16th Sep 2025304 PMAQI
16th Sep 2025275 PMAQI
16th Sep 2025276 PMAQI
16th Sep 2025317 PMAQI
16th Sep 2025318 PMAQI
16th Sep 2025309 PMAQI
16th Sep 20252910 PMAQI
16th Sep 20253011 PMAQI
17th Sep 20253112 AMAQI
17th Sep 2025331 AMAQI
17th Sep 2025342 AMAQI
17th Sep 2025343 AMAQI
17th Sep 2025324 AMAQI
17th Sep 2025325 AMAQI

26°C23/29°C

17th Sep 2025316 AMAQI
17th Sep 2025317 AMAQI
17th Sep 2025268 AMAQI
17th Sep 2025289 AMAQI
17th Sep 20253010 AMAQI
17th Sep 20252811 AMAQI
17th Sep 20252612 PMAQI
17th Sep 2025251 PMAQI
17th Sep 2025252 PMAQI
17th Sep 2025313 PMAQI
17th Sep 2025324 PMAQI
17th Sep 2025355 PMAQI
17th Sep 2025366 PMAQI
17th Sep 2025397 PMAQI
17th Sep 2025408 PMAQI
17th Sep 2025349 PMAQI
17th Sep 20254610 PMAQI
17th Sep 20254811 PMAQI
18th Sep 20254412 AMAQI
18th Sep 2025341 AMAQI
18th Sep 2025342 AMAQI
18th Sep 2025333 AMAQI
18th Sep 2025324 AMAQI
18th Sep 2025335 AMAQI

25°C23/26°C

18th Sep 2025326 AMAQI
18th Sep 2025317 AMAQI
18th Sep 2025398 AMAQI
18th Sep 2025449 AMAQI
18th Sep 20253810 AMAQI
18th Sep 20253111 AMAQI
18th Sep 20253512 PMAQI
18th Sep 2025331 PMAQI
18th Sep 2025322 PMAQI
18th Sep 2025283 PMAQI
18th Sep 2025364 PMAQI
18th Sep 2025325 PMAQI
18th Sep 2025336 PMAQI
18th Sep 2025307 PMAQI
18th Sep 2025328 PMAQI
18th Sep 2025349 PMAQI
18th Sep 20254910 PMAQI
18th Sep 20255211 PMAQI
19th Sep 20254812 AMAQI
19th Sep 2025371 AMAQI
19th Sep 2025342 AMAQI
19th Sep 2025353 AMAQI
19th Sep 2025354 AMAQI
19th Sep 2025355 AMAQI

26°C23/31°C

19th Sep 2025376 AMAQI
19th Sep 2025367 AMAQI
19th Sep 2025398 AMAQI
19th Sep 2025419 AMAQI
19th Sep 20253710 AMAQI
19th Sep 20253311 AMAQI
19th Sep 20253212 PMAQI
19th Sep 2025321 PMAQI
19th Sep 2025322 PMAQI
19th Sep 2025333 PMAQI
19th Sep 2025334 PMAQI
19th Sep 2025325 PMAQI
19th Sep 2025336 PMAQI
19th Sep 2025327 PMAQI
19th Sep 2025368 PMAQI
19th Sep 2025359 PMAQI
19th Sep 20254210 PMAQI
19th Sep 20254711 PMAQI
20th Sep 20254612 AMAQI
20th Sep 2025411 AMAQI
20th Sep 2025412 AMAQI
20th Sep 2025403 AMAQI
20th Sep 2025404 AMAQI
20th Sep 2025395 AMAQI

27°C25/30°C

20th Sep 2025396 AMAQI
20th Sep 2025407 AMAQI
20th Sep 2025348 AMAQI
20th Sep 2025369 AMAQI
20th Sep 20253410 AMAQI
20th Sep 20253711 AMAQI
20th Sep 20253212 PMAQI
20th Sep 2025321 PMAQI
20th Sep 2025322 PMAQI
20th Sep 2025333 PMAQI
20th Sep 2025344 PMAQI
20th Sep 2025325 PMAQI
20th Sep 2025346 PMAQI
20th Sep 2025377 PMAQI
20th Sep 2025378 PMAQI
20th Sep 2025389 PMAQI
20th Sep 20254910 PMAQI
20th Sep 20255211 PMAQI
21st Sep 20255112 AMAQI
21st Sep 2025421 AMAQI
21st Sep 2025422 AMAQI
21st Sep 2025403 AMAQI
21st Sep 2025394 AMAQI
21st Sep 2025395 AMAQI

27°C24/30°C

21st Sep 2025386 AMAQI
21st Sep 2025397 AMAQI
21st Sep 2025278 AMAQI
21st Sep 2025259 AMAQI
21st Sep 20253410 AMAQI
21st Sep 20253311 AMAQI
21st Sep 20253212 PMAQI
21st Sep 2025331 PMAQI
21st Sep 2025312 PMAQI
21st Sep 2025343 PMAQI
21st Sep 2025344 PMAQI
21st Sep 2025355 PMAQI
21st Sep 2025356 PMAQI
21st Sep 2025367 PMAQI
21st Sep 2025418 PMAQI
21st Sep 2025409 PMAQI
21st Sep 20255010 PMAQI
21st Sep 20255211 PMAQI
22nd Sep 20255012 AMAQI
22nd Sep 2025441 AMAQI
22nd Sep 2025442 AMAQI
22nd Sep 2025423 AMAQI
22nd Sep 2025394 AMAQI
22nd Sep 2025405 AMAQI

27°C23/32°C

22nd Sep 2025396 AMAQI
22nd Sep 2025387 AMAQI
22nd Sep 2025528 AMAQI
22nd Sep 2025569 AMAQI
22nd Sep 20255510 AMAQI
22nd Sep 20253511 AMAQI
22nd Sep 20253612 PMAQI
22nd Sep 2025361 PMAQI
22nd Sep 2025332 PMAQI
22nd Sep 2025343 PMAQI
22nd Sep 2025384 PMAQI
22nd Sep 2025425 PMAQI
22nd Sep 2025406 PMAQI
22nd Sep 2025397 PMAQI
22nd Sep 2025378 PMAQI
22nd Sep 2025379 PMAQI
22nd Sep 20255010 PMAQI
22nd Sep 20255211 PMAQI
23rd Sep 20254412 AMAQI
23rd Sep 2025471 AMAQI
23rd Sep 2025432 AMAQI
23rd Sep 2025443 AMAQI
23rd Sep 2025424 AMAQI
23rd Sep 2025445 AMAQI

27°C24/32°C

23rd Sep 2025426 AMAQI
6 AM
23rd Sep 2025427 AMAQI
23rd Sep 2025508 AMAQI
23rd Sep 2025549 AMAQI
23rd Sep 20255010 AMAQI
23rd Sep 20253911 AMAQI
23rd Sep 20253812 PMAQI
12 PM
23rd Sep 2025381 PMAQI
23rd Sep 2025472 PMAQI
23rd Sep 2025403 PMAQI
23rd Sep 2025444 PMAQI
23rd Sep 2025425 PMAQI
23rd Sep 2025416 PMAQI
6 PM
23rd Sep 2025417 PMAQI
12 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
6 AM - 7 AM

39AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
8 AM

31AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 7 AM (Avg. 39), while the lowest AQI was between 8 AM to 8 AM (Avg. 31).
Night time
Avg. Highest Time
12 AM - 11 PM

40AQI

11 hours / Day
330 hours / Month
Avg. Lowest Time
12 AM - 7 PM

40AQI

7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 40), while the lowest AQI was between 12 AM to 7 PM (Avg. 40).

2025 Days Vs Air Quality

Brunei Muara, Bandar Seri Begawan, Brunei And Muara, Brunei

2025

56%

148

44%

117

Total number of days with different AQI categories in last 266 days in 2025 (99 days remaining)

Good
148 Days
Moderate
117 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 56%

Health Risk Level:

Considerable

In 2025, 56% of 266 days were within WHO’s safe air quality limits, and 44% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.

Annual Air Quality Insights

Brunei Muara, Bandar Seri Begawan, Brunei And Muara, Brunei

AQI levels in 2025

AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
55AQI
2nd January 2025
56AQI
3rd January 2025
56AQI
4th January 2025
57AQI
5th January 2025
57AQI
6th January 2025
56AQI
7th January 2025
55AQI
8th January 2025
56AQI
9th January 2025
55AQI
10th January 2025
55AQI
11th January 2025
54AQI
12th January 2025
54AQI
13th January 2025
55AQI
14th January 2025
55AQI
15th January 2025
54AQI
16th January 2025
55AQI
17th January 2025
55AQI
18th January 2025
55AQI
19th January 2025
55AQI
20th January 2025
55AQI
21st January 2025
55AQI
22nd January 2025
55AQI
23rd January 2025
55AQI
24th January 2025
55AQI
25th January 2025
54AQI
26th January 2025
54AQI
27th January 2025
53AQI
28th January 2025
54AQI
29th January 2025
53AQI
30th January 2025
53AQI
31st January 2025
54AQI
1st February 2025
53AQI
2nd February 2025
53AQI
3rd February 2025
53AQI
4th February 2025
52AQI
5th February 2025
52AQI
6th February 2025
56AQI
7th February 2025
54AQI
8th February 2025
54AQI
9th February 2025
53AQI
10th February 2025
54AQI
11th February 2025
54AQI
12th February 2025
54AQI
13th February 2025
54AQI
14th February 2025
55AQI
15th February 2025
56AQI
16th February 2025
56AQI
17th February 2025
58AQI
18th February 2025
57AQI
19th February 2025
60AQI
20th February 2025
59AQI
21st February 2025
60AQI
22nd February 2025
60AQI
23rd February 2025
59AQI
24th February 2025
58AQI
25th February 2025
58AQI
26th February 2025
58AQI
27th February 2025
57AQI
28th February 2025
58AQI
1st March 2025
58AQI
2nd March 2025
57AQI
3rd March 2025
58AQI
4th March 2025
56AQI
5th March 2025
55AQI
6th March 2025
56AQI
7th March 2025
55AQI
8th March 2025
54AQI
9th March 2025
53AQI
10th March 2025
52AQI
11th March 2025
52AQI
12th March 2025
52AQI
13th March 2025
53AQI
14th March 2025
51AQI
15th March 2025
50AQI
16th March 2025
49AQI
17th March 2025
49AQI
18th March 2025
49AQI
19th March 2025
48AQI
20th March 2025
47AQI
21st March 2025
46AQI
22nd March 2025
48AQI
23rd March 2025
49AQI
24th March 2025
49AQI
25th March 2025
50AQI
26th March 2025
50AQI
27th March 2025
51AQI
28th March 2025
52AQI
29th March 2025
51AQI
30th March 2025
50AQI
31st March 2025
50AQI
1st April 2025
50AQI
2nd April 2025
49AQI
3rd April 2025
49AQI
4th April 2025
48AQI
5th April 2025
47AQI
6th April 2025
47AQI
7th April 2025
46AQI
8th April 2025
48AQI
9th April 2025
46AQI
10th April 2025
47AQI
11th April 2025
48AQI
12th April 2025
48AQI
13th April 2025
50AQI
14th April 2025
50AQI
15th April 2025
52AQI
16th April 2025
53AQI
17th April 2025
54AQI
18th April 2025
54AQI
19th April 2025
53AQI
20th April 2025
54AQI
21st April 2025
54AQI
22nd April 2025
54AQI
23rd April 2025
54AQI
24th April 2025
54AQI
25th April 2025
53AQI
26th April 2025
53AQI
27th April 2025
53AQI
28th April 2025
53AQI
29th April 2025
53AQI
30th April 2025
53AQI
1st May 2025
53AQI
2nd May 2025
53AQI
3rd May 2025
53AQI
4th May 2025
53AQI
5th May 2025
53AQI
6th May 2025
53AQI
7th May 2025
54AQI
8th May 2025
55AQI
9th May 2025
53AQI
10th May 2025
52AQI
11th May 2025
52AQI
12th May 2025
52AQI
13th May 2025
53AQI
14th May 2025
53AQI
15th May 2025
53AQI
16th May 2025
53AQI
17th May 2025
51AQI
18th May 2025
50AQI
19th May 2025
48AQI
20th May 2025
46AQI
21st May 2025
48AQI
22nd May 2025
45AQI
23rd May 2025
44AQI
24th May 2025
44AQI
25th May 2025
47AQI
26th May 2025
47AQI
27th May 2025
47AQI
28th May 2025
47AQI
29th May 2025
47AQI
30th May 2025
46AQI
31st May 2025
49AQI
1st June 2025
49AQI
2nd June 2025
49AQI
3rd June 2025
49AQI
4th June 2025
48AQI
5th June 2025
50AQI
6th June 2025
50AQI
7th June 2025
49AQI
8th June 2025
46AQI
9th June 2025
46AQI
10th June 2025
43AQI
11th June 2025
43AQI
12th June 2025
44AQI
13th June 2025
43AQI
14th June 2025
41AQI
15th June 2025
44AQI
16th June 2025
44AQI
17th June 2025
44AQI
18th June 2025
46AQI
19th June 2025
47AQI
20th June 2025
49AQI
21st June 2025
49AQI
22nd June 2025
49AQI
23rd June 2025
49AQI
24th June 2025
49AQI
25th June 2025
49AQI
26th June 2025
49AQI
27th June 2025
50AQI
28th June 2025
50AQI
29th June 2025
50AQI
30th June 2025
50AQI
1st July 2025
50AQI
2nd July 2025
48AQI
3rd July 2025
47AQI
4th July 2025
48AQI
5th July 2025
48AQI
6th July 2025
47AQI
7th July 2025
48AQI
8th July 2025
48AQI
9th July 2025
48AQI
10th July 2025
48AQI
11th July 2025
47AQI
12th July 2025
47AQI
13th July 2025
48AQI
14th July 2025
49AQI
15th July 2025
48AQI
16th July 2025
48AQI
17th July 2025
50AQI
18th July 2025
49AQI
19th July 2025
50AQI
20th July 2025
49AQI
21st July 2025
48AQI
22nd July 2025
48AQI
23rd July 2025
48AQI
24th July 2025
49AQI
25th July 2025
50AQI
26th July 2025
50AQI
27th July 2025
51AQI
28th July 2025
51AQI
29th July 2025
52AQI
30th July 2025
52AQI
31st July 2025
53AQI
1st August 2025
53AQI
2nd August 2025
54AQI
3rd August 2025
51AQI
4th August 2025
45AQI
5th August 2025
41AQI
6th August 2025
42AQI
7th August 2025
46AQI
8th August 2025
47AQI
9th August 2025
46AQI
10th August 2025
44AQI
11th August 2025
39AQI
12th August 2025
37AQI
13th August 2025
38AQI
14th August 2025
35AQI
15th August 2025
35AQI
16th August 2025
37AQI
17th August 2025
36AQI
18th August 2025
37AQI
19th August 2025
40AQI
20th August 2025
35AQI
21st August 2025
37AQI
22nd August 2025
41AQI
23rd August 2025
44AQI
24th August 2025
45AQI
25th August 2025
44AQI
26th August 2025
42AQI
27th August 2025
46AQI
28th August 2025
48AQI
29th August 2025
50AQI
30th August 2025
48AQI
31st August 2025
50AQI
1st September 2025
48AQI
2nd September 2025
43AQI
3rd September 2025
40AQI
4th September 2025
42AQI
5th September 2025
34AQI
6th September 2025
31AQI
7th September 2025
31AQI
8th September 2025
30AQI
9th September 2025
30AQI
10th September 2025
31AQI
11th September 2025
28AQI
12th September 2025
33AQI
13th September 2025
28AQI
14th September 2025
28AQI
15th September 2025
28AQI
16th September 2025
30AQI
17th September 2025
34AQI
18th September 2025
35AQI
19th September 2025
36AQI
20th September 2025
38AQI
21st September 2025
38AQI
22nd September 2025
42AQI
23rd September 2025
24th September 2025
25th September 2025
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025

55AQI

56AQI

52AQI

51AQI

50AQI

47AQI

49AQI

43AQI

34AQI

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202549AQI

31
28
14
17
14
16
14
17
30
26
5
28
3
22
148
117

Highest AQI recorded in

February

56AQI

Lowest AQI recorded in

September

34AQI

202421AQI

24
26
29
28
18
7
11
19
31
30
22
30
1
30
8
23
287
50

Highest AQI recorded in

June

52AQI

Lowest AQI recorded in

March

0AQI

20233AQI

29
24
31
30
31
29
27
31
27
26
20
26
3
331
3

Highest AQI recorded in

December

33AQI

Lowest AQI recorded in

November

0AQI

20220AQI

29
19
30
26
29
30
24
1
23
19
26
29
285

Highest AQI recorded in

January

0AQI

Lowest AQI recorded in

December

0AQI

20215AQI

20
23
30
27
30
28
25
26
24
14
24
28
299

Highest AQI recorded in

March

14AQI

Lowest AQI recorded in

December

0AQI

202011AQI

11
29
30
29
29
128

Highest AQI recorded in

December

12AQI

Lowest AQI recorded in

September

11AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
49AQI
Least Polluted Year Recorded
2022(Avg.)
0AQI

Brunei Muara's annual 2025 AQI (49) shows an average percentage change of 621.9% (worsened AQI) compared to previous years: 2020 (11), 2021 (5), 2022 (0), 2023 (3), 2024 (21).