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HistoryAQIPM2.5PM10COSO2NO2O3

Perai, Butterworth, 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+

October Air Quality Analysis

Perai, Butterworth, Pulau Pinang, Malaysia

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
1st Oct 2025
68AQI
Lowest AQI recorded on
1st Oct 2021
0AQI

Same Day Analysis (4th October ):
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: 4th Oct - 5th Oct 2025

Perai, Butterworth, Pulau Pinang, Malaysia

AQI
Day
Night
.

7 AM4th Oct 2025

7 PM

6 AM5th Oct 2025

Day time
Avg. Highest Time
3PM4th Oct

79AQI

Avg. Lowest Time
7AM4th Oct

42AQI

Night time
Avg. Highest Time
6AM5th Oct

85AQI

Avg. Lowest Time
12AM5th Oct

40AQI

In the last 24 hours,

Perai's AQI reached its highest point of 85 at 6 AM during the Night, while the lowest point, 40, was recorded at 12 AM during the Night between 4th Oct and 5th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Perai, Butterworth, Pulau Pinang, Malaysia

SepOct
05th - 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 - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th
Day
Night
5th Sep 2025547 AMAQI
5th Sep 2025378 AMAQI
5th Sep 2025369 AMAQI
5th Sep 20255610 AMAQI
5th Sep 20254411 AMAQI
5th Sep 20254212 PMAQI
5th Sep 2025501 PMAQI
5th Sep 2025362 PMAQI
5th Sep 2025273 PMAQI
5th Sep 2025324 PMAQI
5th Sep 2025265 PMAQI
5th Sep 2025366 PMAQI
5th Sep 2025447 PMAQI
5th Sep 2025508 PMAQI
5th Sep 2025529 PMAQI
5th Sep 20255710 PMAQI
5th Sep 20255911 PMAQI
6th Sep 20256212 AMAQI
6th Sep 2025481 AMAQI
6th Sep 2025432 AMAQI
6th Sep 2025483 AMAQI
6th Sep 2025504 AMAQI
6th Sep 2025495 AMAQI
6th Sep 2025496 AMAQI

27°C25/30°C

6th Sep 2025517 AMAQI
6th Sep 2025688 AMAQI
6th Sep 2025689 AMAQI
6th Sep 20256110 AMAQI
6th Sep 20255611 AMAQI
6th Sep 20255212 PMAQI
6th Sep 2025481 PMAQI
6th Sep 2025482 PMAQI
6th Sep 2025453 PMAQI
6th Sep 2025444 PMAQI
6th Sep 2025445 PMAQI
6th Sep 2025466 PMAQI
6th Sep 2025547 PMAQI
6th Sep 2025548 PMAQI
6th Sep 2025589 PMAQI
6th Sep 20255910 PMAQI
6th Sep 20256111 PMAQI
7th Sep 20256412 AMAQI
7th Sep 2025511 AMAQI
7th Sep 2025502 AMAQI
7th Sep 2025523 AMAQI
7th Sep 2025524 AMAQI
7th Sep 2025535 AMAQI
7th Sep 2025526 AMAQI

27°C25/30°C

7th Sep 2025527 AMAQI
7th Sep 2025418 AMAQI
7th Sep 2025419 AMAQI
7th Sep 20254610 AMAQI
7th Sep 20255611 AMAQI
7th Sep 20255612 PMAQI
7th Sep 2025441 PMAQI
7th Sep 2025502 PMAQI
7th Sep 2025523 PMAQI
7th Sep 2025444 PMAQI
7th Sep 2025515 PMAQI
7th Sep 2025526 PMAQI
7th Sep 2025497 PMAQI
7th Sep 2025548 PMAQI
7th Sep 2025589 PMAQI
7th Sep 20255810 PMAQI
7th Sep 20255711 PMAQI
8th Sep 20255912 AMAQI
8th Sep 2025521 AMAQI
8th Sep 2025512 AMAQI
8th Sep 2025523 AMAQI
8th Sep 2025524 AMAQI
8th Sep 2025525 AMAQI
8th Sep 2025526 AMAQI

27°C26/30°C

8th Sep 2025527 AMAQI
8th Sep 2025658 AMAQI
8th Sep 2025629 AMAQI
8th Sep 20256610 AMAQI
8th Sep 20255911 AMAQI
8th Sep 20256512 PMAQI
8th Sep 2025621 PMAQI
8th Sep 2025542 PMAQI
8th Sep 2025563 PMAQI
8th Sep 2025574 PMAQI
8th Sep 2025535 PMAQI
8th Sep 2025646 PMAQI
8th Sep 2025547 PMAQI
8th Sep 2025598 PMAQI
8th Sep 2025569 PMAQI
8th Sep 20255810 PMAQI
8th Sep 20255611 PMAQI
9th Sep 20255512 AMAQI
9th Sep 2025541 AMAQI
9th Sep 2025542 AMAQI
9th Sep 2025533 AMAQI
9th Sep 2025544 AMAQI
9th Sep 2025535 AMAQI
9th Sep 2025546 AMAQI

27°C25/30°C

9th Sep 2025547 AMAQI
9th Sep 2025448 AMAQI
9th Sep 2025449 AMAQI
9th Sep 20254110 AMAQI
9th Sep 20254911 AMAQI
9th Sep 20254712 PMAQI
9th Sep 2025411 PMAQI
9th Sep 2025432 PMAQI
9th Sep 2025423 PMAQI
9th Sep 2025544 PMAQI
9th Sep 2025545 PMAQI
9th Sep 2025446 PMAQI
9th Sep 2025557 PMAQI
9th Sep 2025528 PMAQI
9th Sep 2025549 PMAQI
9th Sep 20255410 PMAQI
9th Sep 20255511 PMAQI
10th Sep 20255412 AMAQI
10th Sep 2025531 AMAQI
10th Sep 2025552 AMAQI
10th Sep 2025533 AMAQI
10th Sep 2025534 AMAQI
10th Sep 2025525 AMAQI
10th Sep 2025526 AMAQI

27°C25/29°C

10th Sep 2025537 AMAQI
10th Sep 2025628 AMAQI
10th Sep 2025639 AMAQI
10th Sep 20255610 AMAQI
10th Sep 20255311 AMAQI
10th Sep 20255512 PMAQI
10th Sep 2025481 PMAQI
10th Sep 2025372 PMAQI
10th Sep 2025463 PMAQI
10th Sep 2025454 PMAQI
10th Sep 2025435 PMAQI
10th Sep 2025466 PMAQI
10th Sep 2025547 PMAQI
10th Sep 2025568 PMAQI
10th Sep 2025559 PMAQI
10th Sep 20256010 PMAQI
10th Sep 20256811 PMAQI
11th Sep 20255412 AMAQI
11th Sep 2025541 AMAQI
11th Sep 2025552 AMAQI
11th Sep 2025553 AMAQI
11th Sep 2025544 AMAQI
11th Sep 2025545 AMAQI
11th Sep 2025546 AMAQI

27°C25/30°C

11th Sep 2025547 AMAQI
11th Sep 2025808 AMAQI
11th Sep 2025649 AMAQI
11th Sep 20256210 AMAQI
11th Sep 20255611 AMAQI
11th Sep 20255312 PMAQI
11th Sep 2025381 PMAQI
11th Sep 2025502 PMAQI
11th Sep 2025403 PMAQI
11th Sep 2025494 PMAQI
11th Sep 2025385 PMAQI
11th Sep 2025386 PMAQI
11th Sep 2025517 PMAQI
11th Sep 2025518 PMAQI
11th Sep 2025529 PMAQI
11th Sep 20255210 PMAQI
11th Sep 20255111 PMAQI
12th Sep 20255412 AMAQI
12th Sep 2025551 AMAQI
12th Sep 2025532 AMAQI
12th Sep 2025543 AMAQI
12th Sep 2025554 AMAQI
12th Sep 2025545 AMAQI
12th Sep 2025556 AMAQI

28°C25/30°C

12th Sep 2025547 AMAQI
12th Sep 2025438 AMAQI
12th Sep 2025469 AMAQI
12th Sep 20254810 AMAQI
12th Sep 20254211 AMAQI
12th Sep 20254212 PMAQI
12th Sep 2025301 PMAQI
12th Sep 2025362 PMAQI
12th Sep 2025303 PMAQI
12th Sep 2025344 PMAQI
12th Sep 2025425 PMAQI
12th Sep 2025466 PMAQI
12th Sep 2025477 PMAQI
12th Sep 2025478 PMAQI
12th Sep 2025469 PMAQI
12th Sep 20255310 PMAQI
12th Sep 20254911 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

27°C25/28°C

13th Sep 2025517 AMAQI
13th Sep 2025448 AMAQI
13th Sep 2025459 AMAQI
13th Sep 20255510 AMAQI
13th Sep 20255311 AMAQI
13th Sep 20254112 PMAQI
13th Sep 2025371 PMAQI
13th Sep 2025412 PMAQI
13th Sep 2025403 PMAQI
13th Sep 2025424 PMAQI
13th Sep 2025405 PMAQI
13th Sep 2025426 PMAQI
13th Sep 2025417 PMAQI
13th Sep 2025478 PMAQI
13th Sep 2025519 PMAQI
13th Sep 20255110 PMAQI
13th Sep 20255311 PMAQI
14th Sep 20255012 AMAQI
14th Sep 2025531 AMAQI
14th Sep 2025532 AMAQI
14th Sep 2025523 AMAQI
14th Sep 2025524 AMAQI
14th Sep 2025525 AMAQI
14th Sep 2025526 AMAQI

25°C24/27°C

14th Sep 2025517 AMAQI
14th Sep 2025518 AMAQI
14th Sep 2025429 AMAQI
14th Sep 20255610 AMAQI
14th Sep 20255311 AMAQI
14th Sep 20255112 PMAQI
14th Sep 2025441 PMAQI
14th Sep 2025412 PMAQI
14th Sep 2025423 PMAQI
14th Sep 2025374 PMAQI
14th Sep 2025425 PMAQI
14th Sep 2025466 PMAQI
14th Sep 2025557 PMAQI
14th Sep 2025568 PMAQI
14th Sep 2025589 PMAQI
14th Sep 20255610 PMAQI
14th Sep 20255811 PMAQI
15th Sep 20255212 AMAQI
15th Sep 2025521 AMAQI
15th Sep 2025492 AMAQI
15th Sep 2025533 AMAQI
15th Sep 2025504 AMAQI
15th Sep 2025525 AMAQI
15th Sep 2025526 AMAQI

27°C24/29°C

15th Sep 2025527 AMAQI
15th Sep 2025248 AMAQI
15th Sep 2025529 AMAQI
15th Sep 20254510 AMAQI
15th Sep 20255111 AMAQI
15th Sep 20253312 PMAQI
15th Sep 2025211 PMAQI
15th Sep 2025292 PMAQI
15th Sep 2025403 PMAQI
15th Sep 2025314 PMAQI
15th Sep 2025285 PMAQI
15th Sep 2025306 PMAQI
15th Sep 2025317 PMAQI
15th Sep 2025448 PMAQI
15th Sep 2025529 PMAQI
15th Sep 20255010 PMAQI
15th Sep 20255611 PMAQI
16th Sep 20255412 AMAQI
16th Sep 2025521 AMAQI
16th Sep 2025522 AMAQI
16th Sep 2025513 AMAQI
16th Sep 2025484 AMAQI
16th Sep 2025495 AMAQI
16th Sep 2025486 AMAQI

26°C25/29°C

16th Sep 2025487 AMAQI
16th Sep 2025468 AMAQI
16th Sep 2025429 AMAQI
16th Sep 20254210 AMAQI
16th Sep 20254611 AMAQI
16th Sep 20255012 PMAQI
16th Sep 2025381 PMAQI
16th Sep 2025422 PMAQI
16th Sep 2025453 PMAQI
16th Sep 2025384 PMAQI
16th Sep 2025395 PMAQI
16th Sep 2025386 PMAQI
16th Sep 2025477 PMAQI
16th Sep 2025518 PMAQI
16th Sep 2025489 PMAQI
16th Sep 20254810 PMAQI
16th Sep 20255311 PMAQI
17th Sep 20255012 AMAQI
17th Sep 2025521 AMAQI
17th Sep 2025502 AMAQI
17th Sep 2025503 AMAQI
17th Sep 2025494 AMAQI
17th Sep 2025495 AMAQI
17th Sep 2025506 AMAQI

27°C25/30°C

17th Sep 2025497 AMAQI
17th Sep 2025308 AMAQI
17th Sep 2025409 AMAQI
17th Sep 20253210 AMAQI
17th Sep 20253011 AMAQI
17th Sep 20252612 PMAQI
17th Sep 2025441 PMAQI
17th Sep 2025432 PMAQI
17th Sep 2025473 PMAQI
17th Sep 2025584 PMAQI
17th Sep 2025475 PMAQI
17th Sep 2025376 PMAQI
17th Sep 2025457 PMAQI
17th Sep 2025458 PMAQI
17th Sep 2025429 PMAQI
17th Sep 20254210 PMAQI
17th Sep 20254311 PMAQI
18th Sep 20254412 AMAQI
18th Sep 2025461 AMAQI
18th Sep 2025502 AMAQI
18th Sep 2025503 AMAQI
18th Sep 2025474 AMAQI
18th Sep 2025475 AMAQI
18th Sep 2025476 AMAQI

27°C25/28°C

18th Sep 2025477 AMAQI
18th Sep 2025588 AMAQI
18th Sep 2025669 AMAQI
18th Sep 20257010 AMAQI
18th Sep 20256711 AMAQI
18th Sep 20254612 PMAQI
18th Sep 2025581 PMAQI
18th Sep 2025442 PMAQI
18th Sep 2025503 PMAQI
18th Sep 2025544 PMAQI
18th Sep 2025365 PMAQI
18th Sep 2025426 PMAQI
18th Sep 2025337 PMAQI
18th Sep 2025448 PMAQI
18th Sep 2025459 PMAQI
18th Sep 20255410 PMAQI
18th Sep 20255611 PMAQI
19th Sep 20256012 AMAQI
19th Sep 2025521 AMAQI
19th Sep 2025492 AMAQI
19th Sep 2025483 AMAQI
19th Sep 2025524 AMAQI
19th Sep 2025525 AMAQI
19th Sep 2025526 AMAQI

27°C25/29°C

19th Sep 2025527 AMAQI
19th Sep 2025768 AMAQI
19th Sep 2025869 AMAQI
19th Sep 20258010 AMAQI
19th Sep 20257411 AMAQI
19th Sep 20255212 PMAQI
19th Sep 2025281 PMAQI
19th Sep 2025502 PMAQI
19th Sep 2025473 PMAQI
19th Sep 2025544 PMAQI
19th Sep 2025525 PMAQI
19th Sep 2025566 PMAQI
19th Sep 2025407 PMAQI
19th Sep 2025428 PMAQI
19th Sep 2025369 PMAQI
19th Sep 20254010 PMAQI
19th Sep 20254811 PMAQI
20th Sep 20255212 AMAQI
20th Sep 2025541 AMAQI
20th Sep 2025532 AMAQI
20th Sep 2025543 AMAQI
20th Sep 2025554 AMAQI
20th Sep 2025555 AMAQI
20th Sep 2025556 AMAQI

28°C25/30°C

20th Sep 2025557 AMAQI
20th Sep 2025618 AMAQI
20th Sep 2025729 AMAQI
20th Sep 20256510 AMAQI
20th Sep 20255211 AMAQI
20th Sep 20254912 PMAQI
20th Sep 2025381 PMAQI
20th Sep 2025422 PMAQI
20th Sep 2025403 PMAQI
20th Sep 2025454 PMAQI
20th Sep 2025385 PMAQI
20th Sep 2025406 PMAQI
20th Sep 2025267 PMAQI
20th Sep 2025478 PMAQI
20th Sep 2025449 PMAQI
20th Sep 20254010 PMAQI
20th Sep 20255211 PMAQI
21st Sep 20256012 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

28°C25/30°C

21st Sep 2025547 AMAQI
21st Sep 2025618 AMAQI
21st Sep 2025629 AMAQI
21st Sep 20255910 AMAQI
21st Sep 20254211 AMAQI
21st Sep 20255312 PMAQI
21st Sep 2025221 PMAQI
21st Sep 2025292 PMAQI
21st Sep 2025303 PMAQI
21st Sep 2025384 PMAQI
21st Sep 2025345 PMAQI
21st Sep 2025376 PMAQI
21st Sep 2025467 PMAQI
21st Sep 2025468 PMAQI
21st Sep 2025499 PMAQI
21st Sep 20255310 PMAQI
21st Sep 20254811 PMAQI
22nd Sep 20254012 AMAQI
22nd Sep 2025521 AMAQI
22nd Sep 2025552 AMAQI
22nd Sep 2025553 AMAQI
22nd Sep 2025544 AMAQI
22nd Sep 2025545 AMAQI
22nd Sep 2025546 AMAQI

28°C25/30°C

22nd Sep 2025547 AMAQI
22nd Sep 2025678 AMAQI
22nd Sep 2025669 AMAQI
22nd Sep 20257210 AMAQI
22nd Sep 20255011 AMAQI
22nd Sep 20255812 PMAQI
22nd Sep 2025521 PMAQI
22nd Sep 2025592 PMAQI
22nd Sep 2025743 PMAQI
22nd Sep 2025344 PMAQI
22nd Sep 2025425 PMAQI
22nd Sep 2025426 PMAQI
22nd Sep 2025277 PMAQI
22nd Sep 2025468 PMAQI
22nd Sep 2025489 PMAQI
22nd Sep 20255010 PMAQI
22nd Sep 20255111 PMAQI
23rd Sep 20254412 AMAQI
23rd Sep 2025501 AMAQI
23rd Sep 2025542 AMAQI
23rd Sep 2025543 AMAQI
23rd Sep 2025554 AMAQI
23rd Sep 2025555 AMAQI
23rd Sep 2025566 AMAQI

28°C26/30°C

23rd Sep 2025567 AMAQI
23rd Sep 2025568 AMAQI
23rd Sep 2025679 AMAQI
23rd Sep 20256110 AMAQI
23rd Sep 20255011 AMAQI
23rd Sep 20253512 PMAQI
23rd Sep 2025521 PMAQI
23rd Sep 2025342 PMAQI
23rd Sep 2025423 PMAQI
23rd Sep 2025354 PMAQI
23rd Sep 2025265 PMAQI
23rd Sep 2025266 PMAQI
23rd Sep 2025357 PMAQI
23rd Sep 2025508 PMAQI
23rd Sep 2025569 PMAQI
23rd Sep 20256110 PMAQI
23rd Sep 20254811 PMAQI
24th Sep 20254612 AMAQI
24th Sep 2025541 AMAQI
24th Sep 2025532 AMAQI
24th Sep 2025533 AMAQI
24th Sep 2025544 AMAQI
24th Sep 2025535 AMAQI
24th Sep 2025536 AMAQI

28°C26/30°C

24th Sep 2025537 AMAQI
24th Sep 2025598 AMAQI
24th Sep 2025549 AMAQI
24th Sep 20255710 AMAQI
24th Sep 20253611 AMAQI
24th Sep 20253712 PMAQI
24th Sep 2025521 PMAQI
24th Sep 2025272 PMAQI
24th Sep 2025333 PMAQI
24th Sep 2025454 PMAQI
24th Sep 2025425 PMAQI
24th Sep 2025496 PMAQI
24th Sep 2025367 PMAQI
24th Sep 2025528 PMAQI
24th Sep 2025569 PMAQI
24th Sep 20255810 PMAQI
24th Sep 20256011 PMAQI
25th Sep 20255912 AMAQI
25th Sep 2025521 AMAQI
25th Sep 2025522 AMAQI
25th Sep 2025533 AMAQI
25th Sep 2025534 AMAQI
25th Sep 2025525 AMAQI
25th Sep 2025536 AMAQI

27°C26/29°C

25th Sep 2025527 AMAQI
25th Sep 2025388 AMAQI
25th Sep 2025389 AMAQI
25th Sep 20253410 AMAQI
25th Sep 20254211 AMAQI
25th Sep 20253612 PMAQI
25th Sep 2025461 PMAQI
25th Sep 2025402 PMAQI
25th Sep 2025363 PMAQI
25th Sep 2025424 PMAQI
25th Sep 2025285 PMAQI
25th Sep 2025246 PMAQI
25th Sep 2025137 PMAQI
25th Sep 2025168 PMAQI
25th Sep 2025249 PMAQI
25th Sep 20253510 PMAQI
25th Sep 20255411 PMAQI
26th Sep 20255612 AMAQI
26th Sep 2025461 AMAQI
26th Sep 2025522 AMAQI
26th Sep 2025603 AMAQI
26th Sep 2025634 AMAQI
26th Sep 2025605 AMAQI
26th Sep 2025406 AMAQI

28°C26/30°C

26th Sep 2025287 AMAQI
26th Sep 2025358 AMAQI
26th Sep 2025459 AMAQI
26th Sep 20254710 AMAQI
26th Sep 20254811 AMAQI
26th Sep 20254412 PMAQI
26th Sep 2025501 PMAQI
26th Sep 2025622 PMAQI
26th Sep 2025593 PMAQI
26th Sep 2025634 PMAQI
26th Sep 2025845 PMAQI
26th Sep 20251016 PMAQI
26th Sep 2025737 PMAQI
26th Sep 2025838 PMAQI
26th Sep 2025739 PMAQI
26th Sep 20256410 PMAQI
26th Sep 20257611 PMAQI
27th Sep 20258612 AMAQI
27th Sep 2025741 AMAQI
27th Sep 2025682 AMAQI
27th Sep 2025643 AMAQI
27th Sep 2025624 AMAQI
27th Sep 2025655 AMAQI
27th Sep 2025726 AMAQI

28°C25/30°C

27th Sep 2025697 AMAQI
27th Sep 2025688 AMAQI
27th Sep 2025659 AMAQI
27th Sep 20253810 AMAQI
27th Sep 20255411 AMAQI
27th Sep 20257912 PMAQI
27th Sep 2025731 PMAQI
27th Sep 2025602 PMAQI
27th Sep 2025603 PMAQI
27th Sep 2025614 PMAQI
27th Sep 2025535 PMAQI
27th Sep 2025576 PMAQI
27th Sep 2025577 PMAQI
27th Sep 2025588 PMAQI
27th Sep 2025629 PMAQI
27th Sep 20256410 PMAQI
27th Sep 20255911 PMAQI
28th Sep 20256012 AMAQI
28th Sep 2025621 AMAQI
28th Sep 2025482 AMAQI
28th Sep 2025423 AMAQI
28th Sep 2025344 AMAQI
28th Sep 2025225 AMAQI
28th Sep 2025266 AMAQI

28°C26/31°C

28th Sep 2025287 AMAQI
28th Sep 2025288 AMAQI
28th Sep 2025289 AMAQI
28th Sep 20253110 AMAQI
28th Sep 20252311 AMAQI
28th Sep 20252812 PMAQI
28th Sep 2025241 PMAQI
28th Sep 2025222 PMAQI
28th Sep 2025243 PMAQI
28th Sep 2025284 PMAQI
28th Sep 2025305 PMAQI
28th Sep 2025356 PMAQI
28th Sep 2025397 PMAQI
28th Sep 2025488 PMAQI
28th Sep 2025539 PMAQI
28th Sep 20255110 PMAQI
28th Sep 20255411 PMAQI
29th Sep 20255712 AMAQI
29th Sep 2025601 AMAQI
29th Sep 2025472 AMAQI
29th Sep 2025393 AMAQI
29th Sep 2025474 AMAQI
29th Sep 2025415 AMAQI
29th Sep 2025186 AMAQI

27°C26/28°C

29th Sep 2025327 AMAQI
29th Sep 2025398 AMAQI
29th Sep 2025259 AMAQI
29th Sep 20251610 AMAQI
29th Sep 20253411 AMAQI
29th Sep 20252512 PMAQI
29th Sep 2025261 PMAQI
29th Sep 2025222 PMAQI
29th Sep 2025303 PMAQI
29th Sep 2025244 PMAQI
29th Sep 2025345 PMAQI
29th Sep 2025256 PMAQI
29th Sep 2025267 PMAQI
29th Sep 2025228 PMAQI
29th Sep 2025279 PMAQI
29th Sep 20254110 PMAQI
29th Sep 20254411 PMAQI
30th Sep 20253812 AMAQI
30th Sep 2025501 AMAQI
30th Sep 2025492 AMAQI
30th Sep 2025493 AMAQI
30th Sep 2025474 AMAQI
30th Sep 2025395 AMAQI
30th Sep 2025476 AMAQI

25°C25/26°C

30th Sep 2025557 AMAQI
30th Sep 2025638 AMAQI
30th Sep 2025589 AMAQI
30th Sep 20255910 AMAQI
30th Sep 20255911 AMAQI
30th Sep 20256512 PMAQI
30th Sep 2025501 PMAQI
30th Sep 2025472 PMAQI
30th Sep 2025563 PMAQI
30th Sep 2025674 PMAQI
30th Sep 2025465 PMAQI
30th Sep 2025506 PMAQI
30th Sep 2025617 PMAQI
30th Sep 2025588 PMAQI
30th Sep 2025619 PMAQI
30th Sep 20255710 PMAQI
30th Sep 20255911 PMAQI
1st Oct 20256012 AMAQI
1st Oct 2025641 AMAQI
1st Oct 2025862 AMAQI
1st Oct 2025893 AMAQI
1st Oct 2025904 AMAQI
1st Oct 2025775 AMAQI
1st Oct 2025706 AMAQI

27°C25/30°C

1st Oct 2025737 AMAQI
1st Oct 2025878 AMAQI
1st Oct 2025889 AMAQI
1st Oct 20258510 AMAQI
1st Oct 20257511 AMAQI
1st Oct 20257012 PMAQI
1st Oct 2025591 PMAQI
1st Oct 2025572 PMAQI
1st Oct 2025563 PMAQI
1st Oct 2025564 PMAQI
1st Oct 2025575 PMAQI
1st Oct 2025606 PMAQI
1st Oct 2025587 PMAQI
1st Oct 2025578 PMAQI
1st Oct 2025609 PMAQI
1st Oct 20257010 PMAQI
1st Oct 20256911 PMAQI
2nd Oct 20256612 AMAQI
2nd Oct 2025611 AMAQI
2nd Oct 2025712 AMAQI
2nd Oct 2025663 AMAQI
2nd Oct 2025624 AMAQI
2nd Oct 2025595 AMAQI
2nd Oct 2025676 AMAQI

27°C26/29°C

2nd Oct 2025757 AMAQI
2nd Oct 2025668 AMAQI
2nd Oct 2025569 AMAQI
2nd Oct 20256410 AMAQI
2nd Oct 20255811 AMAQI
2nd Oct 20256212 PMAQI
2nd Oct 2025641 PMAQI
2nd Oct 2025692 PMAQI
2nd Oct 2025673 PMAQI
2nd Oct 2025504 PMAQI
2nd Oct 2025475 PMAQI
2nd Oct 2025406 PMAQI
2nd Oct 2025437 PMAQI
2nd Oct 2025488 PMAQI
2nd Oct 2025419 PMAQI
2nd Oct 20255210 PMAQI
2nd Oct 20256311 PMAQI
3rd Oct 20256312 AMAQI
3rd Oct 2025651 AMAQI
3rd Oct 2025572 AMAQI
3rd Oct 2025513 AMAQI
3rd Oct 2025324 AMAQI
3rd Oct 2025305 AMAQI
3rd Oct 2025386 AMAQI

27°C25/30°C

3rd Oct 2025417 AMAQI
3rd Oct 2025488 AMAQI
3rd Oct 2025579 AMAQI
3rd Oct 20256410 AMAQI
3rd Oct 20254811 AMAQI
3rd Oct 20256712 PMAQI
3rd Oct 2025661 PMAQI
3rd Oct 2025662 PMAQI
3rd Oct 2025643 PMAQI
3rd Oct 2025534 PMAQI
3rd Oct 2025445 PMAQI
3rd Oct 2025406 PMAQI
3rd Oct 2025337 PMAQI
3rd Oct 2025388 PMAQI
3rd Oct 2025489 PMAQI
3rd Oct 20254010 PMAQI
3rd Oct 20254211 PMAQI
4th Oct 20254012 AMAQI
4th Oct 2025441 AMAQI
4th Oct 2025442 AMAQI
4th Oct 2025433 AMAQI
4th Oct 2025414 AMAQI
4th Oct 2025405 AMAQI
4th Oct 2025476 AMAQI

27°C25/29°C

4th Oct 2025427 AMAQI
4th Oct 2025478 AMAQI
4th Oct 2025569 AMAQI
4th Oct 20255010 AMAQI
4th Oct 20254911 AMAQI
4th Oct 20255612 PMAQI
4th Oct 2025561 PMAQI
4th Oct 2025672 PMAQI
4th Oct 2025793 PMAQI
4th Oct 2025604 PMAQI
4th Oct 2025595 PMAQI
4th Oct 2025576 PMAQI
4th Oct 2025597 PMAQI
4th Oct 2025588 PMAQI
4th Oct 2025599 PMAQI
4th Oct 20256410 PMAQI
4th Oct 20255011 PMAQI
5th Oct 20254012 AMAQI
5th Oct 2025531 AMAQI
5th Oct 2025592 AMAQI
5th Oct 2025753 AMAQI
5th Oct 2025764 AMAQI
5th Oct 2025735 AMAQI
5th Oct 2025856 AMAQI

27°C24/29°C

5th Oct 2025677 AMAQI
7 AM
5th Oct 2025678 AMAQI
5th Oct 2025649 AMAQI
1 PM
7 PM
1 AM
6 AM

--°C/°C

Day time
Avg. Highest Time
8 AM - 10 AM

54AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
5 PM

43AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 10 AM (Avg. 54), while the lowest AQI was between 5 PM to 5 PM (Avg. 43).
Night time
Avg. Highest Time
11 PM

55AQI

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

49AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 PM to 11 PM (Avg. 55), while the lowest AQI was between 8 PM to 8 PM (Avg. 49).

2025 Days Vs Air Quality

Perai, Butterworth, Pulau Pinang, Malaysia

2025

35%

97

65%

180

Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)

Good
97 Days
Moderate
180 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 35%

Health Risk Level:

High

In 2025, 35% of 278 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, Butterworth, 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
58AQI
2nd January 2025
59AQI
3rd January 2025
58AQI
4th January 2025
58AQI
5th January 2025
58AQI
6th January 2025
58AQI
7th January 2025
57AQI
8th January 2025
58AQI
9th January 2025
57AQI
10th January 2025
57AQI
11th January 2025
57AQI
12th January 2025
56AQI
13th January 2025
56AQI
14th January 2025
57AQI
15th January 2025
58AQI
16th January 2025
57AQI
17th January 2025
56AQI
18th January 2025
57AQI
19th January 2025
59AQI
20th January 2025
58AQI
21st January 2025
60AQI
22nd January 2025
61AQI
23rd January 2025
61AQI
24th January 2025
61AQI
25th January 2025
64AQI
26th January 2025
65AQI
27th January 2025
63AQI
28th January 2025
63AQI
29th January 2025
61AQI
30th January 2025
62AQI
31st January 2025
62AQI
1st February 2025
62AQI
2nd February 2025
64AQI
3rd February 2025
65AQI
4th February 2025
65AQI
5th February 2025
66AQI
6th February 2025
69AQI
7th February 2025
70AQI
8th February 2025
69AQI
9th February 2025
69AQI
10th February 2025
69AQI
11th February 2025
70AQI
12th February 2025
69AQI
13th February 2025
69AQI
14th February 2025
68AQI
15th February 2025
69AQI
16th February 2025
68AQI
17th February 2025
67AQI
18th February 2025
66AQI
19th February 2025
65AQI
20th February 2025
64AQI
21st February 2025
62AQI
22nd February 2025
62AQI
23rd February 2025
61AQI
24th February 2025
60AQI
25th February 2025
59AQI
26th February 2025
58AQI
27th February 2025
58AQI
28th February 2025
58AQI
1st March 2025
58AQI
2nd March 2025
58AQI
3rd March 2025
57AQI
4th March 2025
57AQI
5th March 2025
57AQI
6th March 2025
57AQI
7th March 2025
56AQI
8th March 2025
55AQI
9th March 2025
55AQI
10th March 2025
54AQI
11th March 2025
54AQI
12th March 2025
54AQI
13th March 2025
54AQI
14th March 2025
53AQI
15th March 2025
52AQI
16th March 2025
52AQI
17th March 2025
51AQI
18th March 2025
52AQI
19th March 2025
53AQI
20th March 2025
53AQI
21st March 2025
54AQI
22nd March 2025
55AQI
23rd March 2025
56AQI
24th March 2025
56AQI
25th March 2025
57AQI
26th March 2025
58AQI
27th March 2025
58AQI
28th March 2025
59AQI
29th March 2025
59AQI
30th March 2025
60AQI
31st March 2025
59AQI
1st April 2025
58AQI
2nd April 2025
57AQI
3rd April 2025
55AQI
4th April 2025
55AQI
5th April 2025
54AQI
6th April 2025
54AQI
7th April 2025
53AQI
8th April 2025
53AQI
9th April 2025
53AQI
10th April 2025
52AQI
11th April 2025
52AQI
12th April 2025
52AQI
13th April 2025
51AQI
14th April 2025
51AQI
15th April 2025
49AQI
16th April 2025
49AQI
17th April 2025
50AQI
18th April 2025
49AQI
19th April 2025
49AQI
20th April 2025
49AQI
21st April 2025
50AQI
22nd April 2025
50AQI
23rd April 2025
50AQI
24th April 2025
49AQI
25th April 2025
49AQI
26th April 2025
48AQI
27th April 2025
48AQI
28th April 2025
48AQI
29th April 2025
48AQI
30th April 2025
48AQI
1st May 2025
48AQI
2nd May 2025
47AQI
3rd May 2025
44AQI
4th May 2025
46AQI
5th May 2025
47AQI
6th May 2025
49AQI
7th May 2025
50AQI
8th May 2025
53AQI
9th May 2025
51AQI
10th May 2025
51AQI
11th May 2025
52AQI
12th May 2025
49AQI
13th May 2025
49AQI
14th May 2025
50AQI
15th May 2025
52AQI
16th May 2025
53AQI
17th May 2025
55AQI
18th May 2025
54AQI
19th May 2025
53AQI
20th May 2025
52AQI
21st May 2025
51AQI
22nd May 2025
51AQI
23rd May 2025
49AQI
24th May 2025
46AQI
25th May 2025
44AQI
26th May 2025
42AQI
27th May 2025
42AQI
28th May 2025
44AQI
29th May 2025
46AQI
30th May 2025
49AQI
31st May 2025
52AQI
1st June 2025
53AQI
2nd June 2025
53AQI
3rd June 2025
53AQI
4th June 2025
52AQI
5th June 2025
52AQI
6th June 2025
51AQI
7th June 2025
49AQI
8th June 2025
45AQI
9th June 2025
46AQI
10th June 2025
46AQI
11th June 2025
45AQI
12th June 2025
48AQI
13th June 2025
52AQI
14th June 2025
54AQI
15th June 2025
54AQI
16th June 2025
55AQI
17th June 2025
52AQI
18th June 2025
47AQI
19th June 2025
45AQI
20th June 2025
42AQI
21st June 2025
41AQI
22nd June 2025
38AQI
23rd June 2025
38AQI
24th June 2025
37AQI
25th June 2025
38AQI
26th June 2025
39AQI
27th June 2025
41AQI
28th June 2025
43AQI
29th June 2025
44AQI
30th June 2025
45AQI
1st July 2025
46AQI
2nd July 2025
44AQI
3rd July 2025
46AQI
4th July 2025
45AQI
5th July 2025
45AQI
6th July 2025
44AQI
7th July 2025
45AQI
8th July 2025
45AQI
9th July 2025
45AQI
10th July 2025
45AQI
11th July 2025
44AQI
12th July 2025
44AQI
13th July 2025
44AQI
14th July 2025
45AQI
15th July 2025
44AQI
16th July 2025
45AQI
17th July 2025
47AQI
18th July 2025
46AQI
19th July 2025
48AQI
20th July 2025
49AQI
21st July 2025
49AQI
22nd July 2025
49AQI
23rd July 2025
50AQI
24th July 2025
51AQI
25th July 2025
51AQI
26th July 2025
51AQI
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
54AQI
3rd August 2025
60AQI
4th August 2025
58AQI
5th August 2025
54AQI
6th August 2025
60AQI
7th August 2025
64AQI
8th August 2025
65AQI
9th August 2025
62AQI
10th August 2025
50AQI
11th August 2025
50AQI
12th August 2025
50AQI
13th August 2025
53AQI
14th August 2025
56AQI
15th August 2025
53AQI
16th August 2025
57AQI
17th August 2025
60AQI
18th August 2025
63AQI
19th August 2025
63AQI
20th August 2025
60AQI
21st August 2025
59AQI
22nd August 2025
64AQI
23rd August 2025
56AQI
24th August 2025
54AQI
25th August 2025
58AQI
26th August 2025
58AQI
27th August 2025
65AQI
28th August 2025
56AQI
29th August 2025
58AQI
30th August 2025
54AQI
31st August 2025
56AQI
1st September 2025
54AQI
2nd September 2025
52AQI
3rd September 2025
52AQI
4th September 2025
46AQI
5th September 2025
44AQI
6th September 2025
52AQI
7th September 2025
52AQI
8th September 2025
56AQI
9th September 2025
51AQI
10th September 2025
53AQI
11th September 2025
52AQI
12th September 2025
47AQI
13th September 2025
48AQI
14th September 2025
51AQI
15th September 2025
44AQI
16th September 2025
47AQI
17th September 2025
44AQI
18th September 2025
49AQI
19th September 2025
52AQI
20th September 2025
49AQI
21st September 2025
48AQI
22nd September 2025
51AQI
23rd September 2025
48AQI
24th September 2025
49AQI
25th September 2025
39AQI
26th September 2025
63AQI
27th September 2025
67AQI
28th September 2025
41AQI
29th September 2025
38AQI
30th September 2025
50AQI
1st October 2025
68AQI
2nd October 2025
60AQI
3rd October 2025
50AQI
4th October 2025
42AQI
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

59AQI

65AQI

56AQI

51AQI

49AQI

47AQI

47AQI

58AQI

50AQI

55AQI

No. of days

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

202553AQI

31
28
31
16
14
18
13
19
11
23
8
3
28
16
14
2
2
97
180

Highest AQI recorded in

February

65AQI

Lowest AQI recorded in

June

47AQI

202424AQI

30
28
30
30
20
10
2
28
3
28
26
5
30
30
1
22
8
31
251
111

Highest AQI recorded in

June

58AQI

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
20
31
29
31
30
21
1
25
30
21
264

Highest AQI recorded in

January

0AQI

Lowest AQI recorded in

November

0AQI

202123AQI

5
26
28
28
12
18
15
4
30
31
22
21
30
28
20
214
104

Highest AQI recorded in

February

63AQI

Lowest AQI recorded in

December

0AQI

202055AQI

9
6
15
8
10
7
23
5
26
1
30
5
23
15
16
15
15
12
19
74
186

Highest AQI recorded in

August

69AQI

Lowest AQI recorded in

May

48AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2020(Avg.)
55AQI
Least Polluted Year Recorded
2022(Avg.)
0AQI

Perai's annual 2025 AQI (53) shows an average percentage change of 91.8% (worsened AQI) compared to previous years: 2020 (55), 2021 (23), 2022 (0), 2023 (0), 2024 (24).