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Perai, Bukit Mertajam, Pulau Pinang, Malaysia 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

Perai, Bukit Mertajam, Pulau Pinang, Malaysia

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
27th Sep 2025
64AQI
Lowest AQI recorded on
10th Sep 2021
0AQI

Same Day Analysis (29th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 43 of Good air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 29th Sep - 30th Sep 2025

Perai, Bukit Mertajam, Pulau Pinang, Malaysia

AQI
Day
Night
.

7 AM29th Sep 2025

7 PM

6 AM30th Sep 2025

Day time
Avg. Highest Time
10AM29th Sep

54AQI

Avg. Lowest Time
4PM29th Sep

25AQI

Night time
Avg. Highest Time
1AM30th Sep

55AQI

Avg. Lowest Time
8PM29th Sep

22AQI

In the last 24 hours,

Perai's AQI reached its highest point of 55 at 1 AM during the Night, while the lowest point, 22, was recorded at 8 PM during the Night between 29th Sep and 30th Sep 2025.

Day & Night AQI Trend : Aug - Sep 2025

Perai, Bukit Mertajam, Pulau Pinang, Malaysia

AugSep
31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th
Day
Night
31st Aug 2025557 AMAQI
31st Aug 2025548 AMAQI
31st Aug 2025479 AMAQI
31st Aug 20254810 AMAQI
31st Aug 20253211 AMAQI
31st Aug 20254512 PMAQI
31st Aug 2025521 PMAQI
31st Aug 2025442 PMAQI
31st Aug 2025513 PMAQI
31st Aug 2025484 PMAQI
31st Aug 2025485 PMAQI
31st Aug 2025586 PMAQI
31st Aug 2025567 PMAQI
31st Aug 2025558 PMAQI
31st Aug 2025599 PMAQI
31st Aug 20256210 PMAQI
31st Aug 20256811 PMAQI
1st Sep 20255812 AMAQI
1st Sep 2025571 AMAQI
1st Sep 2025592 AMAQI
1st Sep 2025563 AMAQI
1st Sep 2025554 AMAQI
1st Sep 2025565 AMAQI
1st Sep 2025566 AMAQI

27°C24/31°C

1st Sep 2025567 AMAQI
1st Sep 2025508 AMAQI
1st Sep 2025459 AMAQI
1st Sep 20256010 AMAQI
1st Sep 20255611 AMAQI
1st Sep 20255612 PMAQI
1st Sep 2025521 PMAQI
1st Sep 2025502 PMAQI
1st Sep 2025533 PMAQI
1st Sep 2025414 PMAQI
1st Sep 2025505 PMAQI
1st Sep 2025476 PMAQI
1st Sep 2025547 PMAQI
1st Sep 2025558 PMAQI
1st Sep 2025569 PMAQI
1st Sep 20255410 PMAQI
1st Sep 20255711 PMAQI
2nd Sep 20255512 AMAQI
2nd Sep 2025541 AMAQI
2nd Sep 2025552 AMAQI
2nd Sep 2025563 AMAQI
2nd Sep 2025564 AMAQI
2nd Sep 2025565 AMAQI
2nd Sep 2025566 AMAQI

27°C25/31°C

2nd Sep 2025567 AMAQI
2nd Sep 2025468 AMAQI
2nd Sep 2025579 AMAQI
2nd Sep 20255610 AMAQI
2nd Sep 20255211 AMAQI
2nd Sep 20254812 PMAQI
2nd Sep 2025491 PMAQI
2nd Sep 2025462 PMAQI
2nd Sep 2025483 PMAQI
2nd Sep 2025444 PMAQI
2nd Sep 2025425 PMAQI
2nd Sep 2025456 PMAQI
2nd Sep 2025507 PMAQI
2nd Sep 2025528 PMAQI
2nd Sep 2025569 PMAQI
2nd Sep 20255810 PMAQI
2nd Sep 20255711 PMAQI
3rd Sep 20255612 AMAQI
3rd Sep 2025551 AMAQI
3rd Sep 2025562 AMAQI
3rd Sep 2025553 AMAQI
3rd Sep 2025544 AMAQI
3rd Sep 2025555 AMAQI
3rd Sep 2025556 AMAQI

27°C25/30°C

3rd Sep 2025547 AMAQI
3rd Sep 2025408 AMAQI
3rd Sep 2025409 AMAQI
3rd Sep 20254910 AMAQI
3rd Sep 20255211 AMAQI
3rd Sep 20254512 PMAQI
3rd Sep 2025451 PMAQI
3rd Sep 2025382 PMAQI
3rd Sep 2025543 PMAQI
3rd Sep 2025434 PMAQI
3rd Sep 2025585 PMAQI
3rd Sep 2025466 PMAQI
3rd Sep 2025487 PMAQI
3rd Sep 2025548 PMAQI
3rd Sep 2025589 PMAQI
3rd Sep 20255810 PMAQI
3rd Sep 20255711 PMAQI
4th Sep 20255612 AMAQI
4th Sep 2025541 AMAQI
4th Sep 2025552 AMAQI
4th Sep 2025563 AMAQI
4th Sep 2025534 AMAQI
4th Sep 2025545 AMAQI
4th Sep 2025546 AMAQI

25°C23/28°C

4th Sep 2025547 AMAQI
4th Sep 2025578 AMAQI
4th Sep 2025599 AMAQI
4th Sep 20256010 AMAQI
4th Sep 20255911 AMAQI
4th Sep 20254812 PMAQI
4th Sep 2025451 PMAQI
4th Sep 2025402 PMAQI
4th Sep 2025453 PMAQI
4th Sep 2025254 PMAQI
4th Sep 2025225 PMAQI
4th Sep 2025196 PMAQI
4th Sep 2025267 PMAQI
4th Sep 2025248 PMAQI
4th Sep 2025159 PMAQI
4th Sep 20252010 PMAQI
4th Sep 20252011 PMAQI
5th Sep 20255212 AMAQI
5th Sep 2025541 AMAQI
5th Sep 2025542 AMAQI
5th Sep 2025543 AMAQI
5th Sep 2025554 AMAQI
5th Sep 2025545 AMAQI
5th Sep 2025546 AMAQI

26°C23/29°C

5th Sep 2025547 AMAQI
5th Sep 2025308 AMAQI
5th Sep 2025439 AMAQI
5th Sep 20255110 AMAQI
5th Sep 20255311 AMAQI
5th Sep 20254612 PMAQI
5th Sep 2025471 PMAQI
5th Sep 2025412 PMAQI
5th Sep 2025273 PMAQI
5th Sep 2025284 PMAQI
5th Sep 2025275 PMAQI
5th Sep 2025346 PMAQI
5th Sep 2025467 PMAQI
5th Sep 2025528 PMAQI
5th Sep 2025549 PMAQI
5th Sep 20256110 PMAQI
5th Sep 20256011 PMAQI
6th Sep 20255312 AMAQI
6th Sep 2025511 AMAQI
6th Sep 2025492 AMAQI
6th Sep 2025513 AMAQI
6th Sep 2025524 AMAQI
6th Sep 2025515 AMAQI
6th Sep 2025526 AMAQI

27°C24/30°C

6th Sep 2025527 AMAQI
6th Sep 2025588 AMAQI
6th Sep 2025639 AMAQI
6th Sep 20256410 AMAQI
6th Sep 20256011 AMAQI
6th Sep 20255912 PMAQI
6th Sep 2025541 PMAQI
6th Sep 2025522 PMAQI
6th Sep 2025493 PMAQI
6th Sep 2025444 PMAQI
6th Sep 2025405 PMAQI
6th Sep 2025446 PMAQI
6th Sep 2025527 PMAQI
6th Sep 2025528 PMAQI
6th Sep 2025569 PMAQI
6th Sep 20255810 PMAQI
6th Sep 20256011 PMAQI
7th Sep 20255612 AMAQI
7th Sep 2025511 AMAQI
7th Sep 2025522 AMAQI
7th Sep 2025523 AMAQI
7th Sep 2025534 AMAQI
7th Sep 2025535 AMAQI
7th Sep 2025526 AMAQI

27°C24/30°C

7th Sep 2025527 AMAQI
7th Sep 2025388 AMAQI
7th Sep 2025429 AMAQI
7th Sep 20254210 AMAQI
7th Sep 20255611 AMAQI
7th Sep 20256112 PMAQI
7th Sep 2025551 PMAQI
7th Sep 2025542 PMAQI
7th Sep 2025523 PMAQI
7th Sep 2025514 PMAQI
7th Sep 2025485 PMAQI
7th Sep 2025466 PMAQI
7th Sep 2025467 PMAQI
7th Sep 2025528 PMAQI
7th Sep 2025599 PMAQI
7th Sep 20255610 PMAQI
7th Sep 20255811 PMAQI
8th Sep 20255912 AMAQI
8th Sep 2025521 AMAQI
8th Sep 2025542 AMAQI
8th Sep 2025533 AMAQI
8th Sep 2025524 AMAQI
8th Sep 2025525 AMAQI
8th Sep 2025526 AMAQI

26°C24/30°C

8th Sep 2025527 AMAQI
8th Sep 2025648 AMAQI
8th Sep 2025639 AMAQI
8th Sep 20256510 AMAQI
8th Sep 20255811 AMAQI
8th Sep 20256612 PMAQI
8th Sep 2025631 PMAQI
8th Sep 2025562 PMAQI
8th Sep 2025603 PMAQI
8th Sep 2025634 PMAQI
8th Sep 2025605 PMAQI
8th Sep 2025596 PMAQI
8th Sep 2025567 PMAQI
8th Sep 2025608 PMAQI
8th Sep 2025589 PMAQI
8th Sep 20255910 PMAQI
8th Sep 20255611 PMAQI
9th Sep 20255212 AMAQI
9th Sep 2025531 AMAQI
9th Sep 2025532 AMAQI
9th Sep 2025533 AMAQI
9th Sep 2025554 AMAQI
9th Sep 2025535 AMAQI
9th Sep 2025556 AMAQI

27°C24/30°C

9th Sep 2025547 AMAQI
9th Sep 2025368 AMAQI
9th Sep 2025459 AMAQI
9th Sep 20254310 AMAQI
9th Sep 20254311 AMAQI
9th Sep 20254412 PMAQI
9th Sep 2025371 PMAQI
9th Sep 2025392 PMAQI
9th Sep 2025493 PMAQI
9th Sep 2025564 PMAQI
9th Sep 2025535 PMAQI
9th Sep 2025426 PMAQI
9th Sep 2025507 PMAQI
9th Sep 2025518 PMAQI
9th Sep 2025539 PMAQI
9th Sep 20255210 PMAQI
9th Sep 20255011 PMAQI
10th Sep 20255912 AMAQI
10th Sep 2025531 AMAQI
10th Sep 2025512 AMAQI
10th Sep 2025523 AMAQI
10th Sep 2025524 AMAQI
10th Sep 2025525 AMAQI
10th Sep 2025526 AMAQI

26°C23/29°C

10th Sep 2025527 AMAQI
10th Sep 2025628 AMAQI
10th Sep 2025649 AMAQI
10th Sep 20255810 AMAQI
10th Sep 20255711 AMAQI
10th Sep 20255812 PMAQI
10th Sep 2025501 PMAQI
10th Sep 2025382 PMAQI
10th Sep 2025413 PMAQI
10th Sep 2025454 PMAQI
10th Sep 2025435 PMAQI
10th Sep 2025446 PMAQI
10th Sep 2025527 PMAQI
10th Sep 2025598 PMAQI
10th Sep 2025529 PMAQI
10th Sep 20255810 PMAQI
10th Sep 20256511 PMAQI
11th Sep 20255612 AMAQI
11th Sep 2025541 AMAQI
11th Sep 2025542 AMAQI
11th Sep 2025553 AMAQI
11th Sep 2025534 AMAQI
11th Sep 2025545 AMAQI
11th Sep 2025546 AMAQI

27°C24/30°C

11th Sep 2025547 AMAQI
11th Sep 2025758 AMAQI
11th Sep 2025629 AMAQI
11th Sep 20256610 AMAQI
11th Sep 20256311 AMAQI
11th Sep 20255812 PMAQI
11th Sep 2025491 PMAQI
11th Sep 2025482 PMAQI
11th Sep 2025403 PMAQI
11th Sep 2025484 PMAQI
11th Sep 2025435 PMAQI
11th Sep 2025416 PMAQI
11th Sep 2025527 PMAQI
11th Sep 2025528 PMAQI
11th Sep 2025529 PMAQI
11th Sep 20255210 PMAQI
11th Sep 20254911 PMAQI
12th Sep 20255412 AMAQI
12th Sep 2025541 AMAQI
12th Sep 2025542 AMAQI
12th Sep 2025543 AMAQI
12th Sep 2025564 AMAQI
12th Sep 2025555 AMAQI
12th Sep 2025566 AMAQI

27°C24/31°C

12th Sep 2025557 AMAQI
12th Sep 2025388 AMAQI
12th Sep 2025449 AMAQI
12th Sep 20254710 AMAQI
12th Sep 20253511 AMAQI
12th Sep 20253212 PMAQI
12th Sep 2025261 PMAQI
12th Sep 2025332 PMAQI
12th Sep 2025303 PMAQI
12th Sep 2025234 PMAQI
12th Sep 2025325 PMAQI
12th Sep 2025426 PMAQI
12th Sep 2025457 PMAQI
12th Sep 2025428 PMAQI
12th Sep 2025439 PMAQI
12th Sep 20255210 PMAQI
12th Sep 20255511 PMAQI
13th Sep 20255312 AMAQI
13th Sep 2025541 AMAQI
13th Sep 2025542 AMAQI
13th Sep 2025533 AMAQI
13th Sep 2025524 AMAQI
13th Sep 2025525 AMAQI
13th Sep 2025526 AMAQI

26°C24/28°C

13th Sep 2025527 AMAQI
13th Sep 2025458 AMAQI
13th Sep 2025409 AMAQI
13th Sep 20256010 AMAQI
13th Sep 20255511 AMAQI
13th Sep 20254612 PMAQI
13th Sep 2025361 PMAQI
13th Sep 2025422 PMAQI
13th Sep 2025373 PMAQI
13th Sep 2025374 PMAQI
13th Sep 2025365 PMAQI
13th Sep 2025336 PMAQI
13th Sep 2025397 PMAQI
13th Sep 2025438 PMAQI
13th Sep 2025479 PMAQI
13th Sep 20254910 PMAQI
13th Sep 20255211 PMAQI
14th Sep 20255312 AMAQI
14th Sep 2025541 AMAQI
14th Sep 2025542 AMAQI
14th Sep 2025523 AMAQI
14th Sep 2025534 AMAQI
14th Sep 2025535 AMAQI
14th Sep 2025536 AMAQI

24°C23/26°C

14th Sep 2025537 AMAQI
14th Sep 2025548 AMAQI
14th Sep 2025449 AMAQI
14th Sep 20255210 AMAQI
14th Sep 20255011 AMAQI
14th Sep 20255012 PMAQI
14th Sep 2025421 PMAQI
14th Sep 2025442 PMAQI
14th Sep 2025443 PMAQI
14th Sep 2025484 PMAQI
14th Sep 2025465 PMAQI
14th Sep 2025486 PMAQI
14th Sep 2025557 PMAQI
14th Sep 2025548 PMAQI
14th Sep 2025559 PMAQI
14th Sep 20255710 PMAQI
14th Sep 20255711 PMAQI
15th Sep 20255212 AMAQI
15th Sep 2025531 AMAQI
15th Sep 2025542 AMAQI
15th Sep 2025533 AMAQI
15th Sep 2025524 AMAQI
15th Sep 2025525 AMAQI
15th Sep 2025526 AMAQI

26°C23/29°C

15th Sep 2025537 AMAQI
15th Sep 2025248 AMAQI
15th Sep 2025499 AMAQI
15th Sep 20253110 AMAQI
15th Sep 20253611 AMAQI
15th Sep 20253012 PMAQI
15th Sep 2025301 PMAQI
15th Sep 2025272 PMAQI
15th Sep 2025283 PMAQI
15th Sep 2025214 PMAQI
15th Sep 2025275 PMAQI
15th Sep 2025346 PMAQI
15th Sep 2025377 PMAQI
15th Sep 2025418 PMAQI
15th Sep 2025509 PMAQI
15th Sep 20255110 PMAQI
15th Sep 20255411 PMAQI
16th Sep 20255412 AMAQI
16th Sep 2025531 AMAQI
16th Sep 2025532 AMAQI
16th Sep 2025533 AMAQI
16th Sep 2025514 AMAQI
16th Sep 2025495 AMAQI
16th Sep 2025516 AMAQI

26°C24/29°C

16th Sep 2025517 AMAQI
16th Sep 2025388 AMAQI
16th Sep 2025349 AMAQI
16th Sep 20254110 AMAQI
16th Sep 20253711 AMAQI
16th Sep 20253812 PMAQI
16th Sep 2025361 PMAQI
16th Sep 2025392 PMAQI
16th Sep 2025343 PMAQI
16th Sep 2025454 PMAQI
16th Sep 2025305 PMAQI
16th Sep 2025376 PMAQI
16th Sep 2025507 PMAQI
16th Sep 2025558 PMAQI
16th Sep 2025549 PMAQI
16th Sep 20255210 PMAQI
16th Sep 20256111 PMAQI
17th Sep 20255112 AMAQI
17th Sep 2025521 AMAQI
17th Sep 2025522 AMAQI
17th Sep 2025523 AMAQI
17th Sep 2025504 AMAQI
17th Sep 2025505 AMAQI
17th Sep 2025506 AMAQI

27°C24/30°C

17th Sep 2025497 AMAQI
17th Sep 2025388 AMAQI
17th Sep 2025399 AMAQI
17th Sep 20253810 AMAQI
17th Sep 20253911 AMAQI
17th Sep 20252612 PMAQI
17th Sep 2025341 PMAQI
17th Sep 2025402 PMAQI
17th Sep 2025383 PMAQI
17th Sep 2025494 PMAQI
17th Sep 2025365 PMAQI
17th Sep 2025396 PMAQI
17th Sep 2025437 PMAQI
17th Sep 2025438 PMAQI
17th Sep 2025449 PMAQI
17th Sep 20254810 PMAQI
17th Sep 20255111 PMAQI
18th Sep 20254612 AMAQI
18th Sep 2025471 AMAQI
18th Sep 2025522 AMAQI
18th Sep 2025503 AMAQI
18th Sep 2025484 AMAQI
18th Sep 2025485 AMAQI
18th Sep 2025486 AMAQI

26°C24/28°C

18th Sep 2025487 AMAQI
18th Sep 2025528 AMAQI
18th Sep 2025609 AMAQI
18th Sep 20258010 AMAQI
18th Sep 20256811 AMAQI
18th Sep 20255412 PMAQI
18th Sep 2025591 PMAQI
18th Sep 2025602 PMAQI
18th Sep 2025583 PMAQI
18th Sep 2025574 PMAQI
18th Sep 2025565 PMAQI
18th Sep 2025596 PMAQI
18th Sep 2025587 PMAQI
18th Sep 2025548 PMAQI
18th Sep 2025569 PMAQI
18th Sep 20255610 PMAQI
18th Sep 20255711 PMAQI
19th Sep 20255912 AMAQI
19th Sep 2025521 AMAQI
19th Sep 2025482 AMAQI
19th Sep 2025513 AMAQI
19th Sep 2025534 AMAQI
19th Sep 2025535 AMAQI
19th Sep 2025526 AMAQI

26°C24/30°C

19th Sep 2025537 AMAQI
19th Sep 2025718 AMAQI
19th Sep 2025839 AMAQI
19th Sep 20258010 AMAQI
19th Sep 20257211 AMAQI
19th Sep 20255712 PMAQI
19th Sep 2025521 PMAQI
19th Sep 2025372 PMAQI
19th Sep 2025533 PMAQI
19th Sep 2025554 PMAQI
19th Sep 2025555 PMAQI
19th Sep 2025506 PMAQI
19th Sep 2025427 PMAQI
19th Sep 2025498 PMAQI
19th Sep 2025559 PMAQI
19th Sep 20255510 PMAQI
19th Sep 20255411 PMAQI
20th Sep 20255312 AMAQI
20th Sep 2025541 AMAQI
20th Sep 2025532 AMAQI
20th Sep 2025553 AMAQI
20th Sep 2025554 AMAQI
20th Sep 2025565 AMAQI
20th Sep 2025566 AMAQI

27°C24/31°C

20th Sep 2025567 AMAQI
20th Sep 2025568 AMAQI
20th Sep 2025619 AMAQI
20th Sep 20256010 AMAQI
20th Sep 20253711 AMAQI
20th Sep 20254212 PMAQI
20th Sep 2025421 PMAQI
20th Sep 2025552 PMAQI
20th Sep 2025463 PMAQI
20th Sep 2025464 PMAQI
20th Sep 2025505 PMAQI
20th Sep 2025256 PMAQI
20th Sep 2025417 PMAQI
20th Sep 2025468 PMAQI
20th Sep 2025489 PMAQI
20th Sep 20255410 PMAQI
20th Sep 20255811 PMAQI
21st Sep 20255612 AMAQI
21st Sep 2025541 AMAQI
21st Sep 2025542 AMAQI
21st Sep 2025543 AMAQI
21st Sep 2025554 AMAQI
21st Sep 2025545 AMAQI
21st Sep 2025546 AMAQI

27°C24/31°C

21st Sep 2025547 AMAQI
21st Sep 2025598 AMAQI
21st Sep 2025609 AMAQI
21st Sep 20256210 AMAQI
21st Sep 20255611 AMAQI
21st Sep 20255312 PMAQI
21st Sep 2025521 PMAQI
21st Sep 2025522 PMAQI
21st Sep 2025493 PMAQI
21st Sep 2025484 PMAQI
21st Sep 2025405 PMAQI
21st Sep 2025396 PMAQI
21st Sep 2025437 PMAQI
21st Sep 2025498 PMAQI
21st Sep 2025529 PMAQI
21st Sep 20256010 PMAQI
21st Sep 20255711 PMAQI
22nd Sep 20255212 AMAQI
22nd Sep 2025531 AMAQI
22nd Sep 2025542 AMAQI
22nd Sep 2025553 AMAQI
22nd Sep 2025554 AMAQI
22nd Sep 2025545 AMAQI
22nd Sep 2025556 AMAQI

27°C24/31°C

22nd Sep 2025547 AMAQI
22nd Sep 2025728 AMAQI
22nd Sep 2025659 AMAQI
22nd Sep 20255810 AMAQI
22nd Sep 20255811 AMAQI
22nd Sep 20255812 PMAQI
22nd Sep 2025541 PMAQI
22nd Sep 2025602 PMAQI
22nd Sep 2025573 PMAQI
22nd Sep 2025544 PMAQI
22nd Sep 2025515 PMAQI
22nd Sep 2025566 PMAQI
22nd Sep 2025557 PMAQI
22nd Sep 2025538 PMAQI
22nd Sep 2025539 PMAQI
22nd Sep 20255710 PMAQI
22nd Sep 20255611 PMAQI
23rd Sep 20255212 AMAQI
23rd Sep 2025521 AMAQI
23rd Sep 2025552 AMAQI
23rd Sep 2025553 AMAQI
23rd Sep 2025564 AMAQI
23rd Sep 2025565 AMAQI
23rd Sep 2025566 AMAQI

27°C24/31°C

23rd Sep 2025567 AMAQI
23rd Sep 2025658 AMAQI
23rd Sep 2025719 AMAQI
23rd Sep 20256610 AMAQI
23rd Sep 20255911 AMAQI
23rd Sep 20255412 PMAQI
23rd Sep 2025541 PMAQI
23rd Sep 2025522 PMAQI
23rd Sep 2025483 PMAQI
23rd Sep 2025374 PMAQI
23rd Sep 2025505 PMAQI
23rd Sep 2025486 PMAQI
23rd Sep 2025527 PMAQI
23rd Sep 2025548 PMAQI
23rd Sep 2025519 PMAQI
23rd Sep 20255310 PMAQI
23rd Sep 20255411 PMAQI
24th Sep 20255412 AMAQI
24th Sep 2025561 AMAQI
24th Sep 2025542 AMAQI
24th Sep 2025543 AMAQI
24th Sep 2025564 AMAQI
24th Sep 2025555 AMAQI
24th Sep 2025556 AMAQI

27°C24/31°C

24th Sep 2025567 AMAQI
24th Sep 2025488 AMAQI
24th Sep 2025519 AMAQI
24th Sep 20255810 AMAQI
24th Sep 20254711 AMAQI
24th Sep 20254012 PMAQI
24th Sep 2025391 PMAQI
24th Sep 2025312 PMAQI
24th Sep 2025403 PMAQI
24th Sep 2025504 PMAQI
24th Sep 2025465 PMAQI
24th Sep 2025406 PMAQI
24th Sep 2025387 PMAQI
24th Sep 2025498 PMAQI
24th Sep 2025549 PMAQI
24th Sep 20255910 PMAQI
24th Sep 20255511 PMAQI
25th Sep 20255812 AMAQI
25th Sep 2025541 AMAQI
25th Sep 2025542 AMAQI
25th Sep 2025543 AMAQI
25th Sep 2025544 AMAQI
25th Sep 2025545 AMAQI
25th Sep 2025546 AMAQI

27°C25/30°C

25th Sep 2025547 AMAQI
25th Sep 2025358 AMAQI
25th Sep 2025239 AMAQI
25th Sep 20252910 AMAQI
25th Sep 20252611 AMAQI
25th Sep 20254412 PMAQI
25th Sep 2025401 PMAQI
25th Sep 2025292 PMAQI
25th Sep 2025303 PMAQI
25th Sep 2025284 PMAQI
25th Sep 2025255 PMAQI
25th Sep 2025346 PMAQI
25th Sep 2025367 PMAQI
25th Sep 2025398 PMAQI
25th Sep 2025439 PMAQI
25th Sep 20254010 PMAQI
25th Sep 20255411 PMAQI
26th Sep 20254712 AMAQI
26th Sep 2025411 AMAQI
26th Sep 2025382 AMAQI
26th Sep 2025623 AMAQI
26th Sep 2025444 AMAQI
26th Sep 2025355 AMAQI
26th Sep 2025536 AMAQI

27°C25/30°C

26th Sep 2025607 AMAQI
26th Sep 2025528 AMAQI
26th Sep 2025609 AMAQI
26th Sep 20255210 AMAQI
26th Sep 20255211 AMAQI
26th Sep 20255812 PMAQI
26th Sep 2025611 PMAQI
26th Sep 2025712 PMAQI
26th Sep 2025703 PMAQI
26th Sep 2025734 PMAQI
26th Sep 2025815 PMAQI
26th Sep 2025776 PMAQI
26th Sep 2025797 PMAQI
26th Sep 2025818 PMAQI
26th Sep 2025739 PMAQI
26th Sep 20256910 PMAQI
26th Sep 20257211 PMAQI
27th Sep 20257512 AMAQI
27th Sep 2025741 AMAQI
27th Sep 2025662 AMAQI
27th Sep 2025673 AMAQI
27th Sep 2025654 AMAQI
27th Sep 2025615 AMAQI
27th Sep 2025606 AMAQI

27°C24/31°C

27th Sep 2025727 AMAQI
27th Sep 2025728 AMAQI
27th Sep 2025649 AMAQI
27th Sep 20256810 AMAQI
27th Sep 20256611 AMAQI
27th Sep 20256712 PMAQI
27th Sep 2025661 PMAQI
27th Sep 2025642 PMAQI
27th Sep 2025583 PMAQI
27th Sep 2025614 PMAQI
27th Sep 2025585 PMAQI
27th Sep 2025586 PMAQI
27th Sep 2025577 PMAQI
27th Sep 2025588 PMAQI
27th Sep 2025619 PMAQI
27th Sep 20256410 PMAQI
27th Sep 20256811 PMAQI
28th Sep 20257212 AMAQI
28th Sep 2025681 AMAQI
28th Sep 2025622 AMAQI
28th Sep 2025593 AMAQI
28th Sep 2025334 AMAQI
28th Sep 2025335 AMAQI
28th Sep 2025266 AMAQI

27°C25/31°C

28th Sep 2025227 AMAQI
28th Sep 2025228 AMAQI
28th Sep 2025279 AMAQI
28th Sep 20253110 AMAQI
28th Sep 20253011 AMAQI
28th Sep 20253712 PMAQI
28th Sep 2025331 PMAQI
28th Sep 2025332 PMAQI
28th Sep 2025383 PMAQI
28th Sep 2025384 PMAQI
28th Sep 2025325 PMAQI
28th Sep 2025366 PMAQI
28th Sep 2025327 PMAQI
28th Sep 2025358 PMAQI
28th Sep 2025399 PMAQI
28th Sep 20255010 PMAQI
28th Sep 20255311 PMAQI
29th Sep 20255012 AMAQI
29th Sep 2025581 AMAQI
29th Sep 2025672 AMAQI
29th Sep 2025683 AMAQI
29th Sep 2025514 AMAQI
29th Sep 2025255 AMAQI
29th Sep 2025336 AMAQI

26°C25/28°C

29th Sep 2025407 AMAQI
29th Sep 2025348 AMAQI
29th Sep 2025319 AMAQI
29th Sep 20255410 AMAQI
29th Sep 20254111 AMAQI
29th Sep 20253112 PMAQI
29th Sep 2025261 PMAQI
29th Sep 2025282 PMAQI
29th Sep 2025273 PMAQI
29th Sep 2025254 PMAQI
29th Sep 2025375 PMAQI
29th Sep 2025406 PMAQI
29th Sep 2025317 PMAQI
29th Sep 2025228 PMAQI
29th Sep 2025299 PMAQI
29th Sep 20252810 PMAQI
29th Sep 20254311 PMAQI
30th Sep 20254812 AMAQI
30th Sep 2025551 AMAQI
30th Sep 2025422 AMAQI
30th Sep 2025503 AMAQI
30th Sep 2025404 AMAQI
30th Sep 2025315 AMAQI
30th Sep 2025396 AMAQI

25°C24/25°C

30th Sep 2025527 AMAQI
7 AM
30th Sep 2025558 AMAQI
30th Sep 2025639 AMAQI
30th Sep 20256110 AMAQI
30th Sep 20256211 AMAQI
30th Sep 20256512 PMAQI
30th Sep 2025481 PMAQI
1 PM
30th Sep 2025382 PMAQI
30th Sep 2025523 PMAQI
30th Sep 2025654 PMAQI
30th Sep 2025525 PMAQI
30th Sep 2025566 PMAQI
30th Sep 2025627 PMAQI
7 PM
30th Sep 2025698 PMAQI
30th Sep 2025619 PMAQI
30th Sep 20255910 PMAQI
30th Sep 20256411 PMAQI
1 AM
6 AM

--°C/°C

Day time
Avg. Highest Time
10 AM

55AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
1 PM - 6 PM

45AQI

6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 10 AM (Avg. 55), while the lowest AQI was between 1 PM to 6 PM (Avg. 45).
Night time
Avg. Highest Time
11 PM

56AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
8 PM - 9 PM

51AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 PM to 11 PM (Avg. 56), while the lowest AQI was between 8 PM to 9 PM (Avg. 51).

2025 Days Vs Air Quality

Perai, Bukit Mertajam, Pulau Pinang, Malaysia

2025

32%

87

68%

185

Total number of days with different AQI categories in last 273 days in 2025 (92 days remaining)

Good
87 Days
Moderate
185 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 32%

Health Risk Level:

High

In 2025, 32% of 273 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.

Annual Air Quality Insights

Perai, Bukit Mertajam, Pulau Pinang, Malaysia

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
57AQI
2nd January 2025
58AQI
3rd January 2025
57AQI
4th January 2025
58AQI
5th January 2025
58AQI
6th January 2025
57AQI
7th January 2025
57AQI
8th January 2025
57AQI
9th January 2025
57AQI
10th January 2025
56AQI
11th January 2025
56AQI
12th January 2025
55AQI
13th January 2025
55AQI
14th January 2025
56AQI
15th January 2025
56AQI
16th January 2025
56AQI
17th January 2025
56AQI
18th January 2025
56AQI
19th January 2025
57AQI
20th January 2025
57AQI
21st January 2025
58AQI
22nd January 2025
58AQI
23rd January 2025
59AQI
24th January 2025
59AQI
25th January 2025
59AQI
26th January 2025
62AQI
27th January 2025
61AQI
28th January 2025
61AQI
29th January 2025
60AQI
30th January 2025
60AQI
31st January 2025
60AQI
1st February 2025
60AQI
2nd February 2025
62AQI
3rd February 2025
62AQI
4th February 2025
63AQI
5th February 2025
64AQI
6th February 2025
67AQI
7th February 2025
68AQI
8th February 2025
68AQI
9th February 2025
68AQI
10th February 2025
69AQI
11th February 2025
68AQI
12th February 2025
68AQI
13th February 2025
69AQI
14th February 2025
68AQI
15th February 2025
68AQI
16th February 2025
68AQI
17th February 2025
68AQI
18th February 2025
67AQI
19th February 2025
66AQI
20th February 2025
65AQI
21st February 2025
64AQI
22nd February 2025
64AQI
23rd February 2025
63AQI
24th February 2025
63AQI
25th February 2025
61AQI
26th February 2025
60AQI
27th February 2025
59AQI
28th February 2025
59AQI
1st March 2025
58AQI
2nd March 2025
58AQI
3rd March 2025
58AQI
4th March 2025
59AQI
5th March 2025
57AQI
6th March 2025
57AQI
7th March 2025
56AQI
8th March 2025
55AQI
9th March 2025
55AQI
10th March 2025
55AQI
11th March 2025
56AQI
12th March 2025
54AQI
13th March 2025
54AQI
14th March 2025
53AQI
15th March 2025
53AQI
16th March 2025
52AQI
17th March 2025
53AQI
18th March 2025
53AQI
19th March 2025
54AQI
20th March 2025
54AQI
21st March 2025
54AQI
22nd March 2025
55AQI
23rd March 2025
55AQI
24th March 2025
56AQI
25th March 2025
56AQI
26th March 2025
57AQI
27th March 2025
57AQI
28th March 2025
58AQI
29th March 2025
59AQI
30th March 2025
60AQI
31st March 2025
59AQI
1st April 2025
58AQI
2nd April 2025
58AQI
3rd April 2025
57AQI
4th April 2025
56AQI
5th April 2025
55AQI
6th April 2025
55AQI
7th April 2025
54AQI
8th April 2025
54AQI
9th April 2025
54AQI
10th April 2025
53AQI
11th April 2025
53AQI
12th April 2025
53AQI
13th April 2025
52AQI
14th April 2025
52AQI
15th April 2025
51AQI
16th April 2025
51AQI
17th April 2025
51AQI
18th April 2025
51AQI
19th April 2025
51AQI
20th April 2025
51AQI
21st April 2025
52AQI
22nd April 2025
52AQI
23rd April 2025
51AQI
24th April 2025
51AQI
25th April 2025
50AQI
26th April 2025
50AQI
27th April 2025
50AQI
28th April 2025
50AQI
29th April 2025
50AQI
30th April 2025
49AQI
1st May 2025
50AQI
2nd May 2025
49AQI
3rd May 2025
47AQI
4th May 2025
48AQI
5th May 2025
49AQI
6th May 2025
51AQI
7th May 2025
51AQI
8th May 2025
53AQI
9th May 2025
51AQI
10th May 2025
51AQI
11th May 2025
51AQI
12th May 2025
50AQI
13th May 2025
49AQI
14th May 2025
50AQI
15th May 2025
51AQI
16th May 2025
53AQI
17th May 2025
54AQI
18th May 2025
53AQI
19th May 2025
53AQI
20th May 2025
52AQI
21st May 2025
50AQI
22nd May 2025
52AQI
23rd May 2025
50AQI
24th May 2025
48AQI
25th May 2025
46AQI
26th May 2025
42AQI
27th May 2025
41AQI
28th May 2025
43AQI
29th May 2025
44AQI
30th May 2025
46AQI
31st May 2025
50AQI
1st June 2025
51AQI
2nd June 2025
50AQI
3rd June 2025
50AQI
4th June 2025
50AQI
5th June 2025
50AQI
6th June 2025
50AQI
7th June 2025
48AQI
8th June 2025
44AQI
9th June 2025
44AQI
10th June 2025
43AQI
11th June 2025
44AQI
12th June 2025
42AQI
13th June 2025
43AQI
14th June 2025
44AQI
15th June 2025
45AQI
16th June 2025
45AQI
17th June 2025
43AQI
18th June 2025
43AQI
19th June 2025
41AQI
20th June 2025
41AQI
21st June 2025
40AQI
22nd June 2025
37AQI
23rd June 2025
37AQI
24th June 2025
36AQI
25th June 2025
36AQI
26th June 2025
37AQI
27th June 2025
37AQI
28th June 2025
39AQI
29th June 2025
40AQI
30th June 2025
41AQI
1st July 2025
42AQI
2nd July 2025
43AQI
3rd July 2025
45AQI
4th July 2025
45AQI
5th July 2025
45AQI
6th July 2025
45AQI
7th July 2025
46AQI
8th July 2025
45AQI
9th July 2025
45AQI
10th July 2025
45AQI
11th July 2025
45AQI
12th July 2025
45AQI
13th July 2025
46AQI
14th July 2025
47AQI
15th July 2025
48AQI
16th July 2025
47AQI
17th July 2025
50AQI
18th July 2025
49AQI
19th July 2025
51AQI
20th July 2025
51AQI
21st July 2025
52AQI
22nd July 2025
50AQI
23rd July 2025
50AQI
24th July 2025
50AQI
25th July 2025
51AQI
26th July 2025
52AQI
27th July 2025
52AQI
28th July 2025
52AQI
29th July 2025
53AQI
30th July 2025
53AQI
31st July 2025
54AQI
1st August 2025
55AQI
2nd August 2025
55AQI
3rd August 2025
58AQI
4th August 2025
57AQI
5th August 2025
55AQI
6th August 2025
59AQI
7th August 2025
64AQI
8th August 2025
71AQI
9th August 2025
66AQI
10th August 2025
55AQI
11th August 2025
52AQI
12th August 2025
52AQI
13th August 2025
53AQI
14th August 2025
56AQI
15th August 2025
52AQI
16th August 2025
57AQI
17th August 2025
60AQI
18th August 2025
63AQI
19th August 2025
62AQI
20th August 2025
60AQI
21st August 2025
60AQI
22nd August 2025
65AQI
23rd August 2025
57AQI
24th August 2025
52AQI
25th August 2025
57AQI
26th August 2025
60AQI
27th August 2025
67AQI
28th August 2025
55AQI
29th August 2025
57AQI
30th August 2025
54AQI
31st August 2025
54AQI
1st September 2025
54AQI
2nd September 2025
52AQI
3rd September 2025
52AQI
4th September 2025
39AQI
5th September 2025
48AQI
6th September 2025
53AQI
7th September 2025
52AQI
8th September 2025
57AQI
9th September 2025
49AQI
10th September 2025
53AQI
11th September 2025
53AQI
12th September 2025
45AQI
13th September 2025
47AQI
14th September 2025
51AQI
15th September 2025
43AQI
16th September 2025
47AQI
17th September 2025
44AQI
18th September 2025
55AQI
19th September 2025
55AQI
20th September 2025
50AQI
21st September 2025
52AQI
22nd September 2025
56AQI
23rd September 2025
54AQI
24th September 2025
50AQI
25th September 2025
42AQI
26th September 2025
61AQI
27th September 2025
64AQI
28th September 2025
40AQI
29th September 2025
43AQI
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

58AQI

65AQI

56AQI

53AQI

49AQI

43AQI

48AQI

58AQI

50AQI

No. of days

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

202553AQI

31
28
31
6
24
18
13
29
1
21
10
31
13
16
87
185

Highest AQI recorded in

February

65AQI

Lowest AQI recorded in

June

43AQI

202423AQI

30
28
30
30
21
9
2
28
2
29
26
5
30
30
1
21
9
31
250
112

Highest AQI recorded in

June

55AQI

Lowest AQI recorded in

September

0AQI

20230AQI

17
31
30
30
29
31
31
30
31
28
30
318

Highest AQI recorded in

February

0AQI

Lowest AQI recorded in

December

0AQI

20220AQI

25
21
31
17
31
30
22
2
26
30
21
256

Highest AQI recorded in

January

0AQI

Lowest AQI recorded in

November

0AQI

202121AQI

11
20
1
27
28
14
16
17
2
30
31
22
21
30
28
20
225
93

Highest AQI recorded in

March

60AQI

Lowest AQI recorded in

December

0AQI

202051AQI

1
12
7
14
10
8
8
22
11
20
1
30
14
14
21
10
20
10
18
13
111
153

Highest AQI recorded in

August

63AQI

Lowest AQI recorded in

October

45AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
53AQI
Least Polluted Year Recorded
2022(Avg.)
0AQI

Perai's annual 2025 AQI (53) shows an average percentage change of 97.8% (worsened AQI) compared to previous years: 2020 (51), 2021 (21), 2022 (0), 2023 (0), 2024 (23).