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+
August Air Quality Analysis
Perai, Butterworth, Pulau Pinang, Malaysia
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
2nd Aug 2024
65AQILowest AQI recorded on
1st Aug 2021
0AQISame Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 58 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Perai, Butterworth, Pulau Pinang, Malaysia
AQI
Day
Night
.
7 AM4th Aug 2025
7 PM
6 AM5th Aug 2025
Day time
Avg. Highest Time
9AM4th Aug
81AQI
Avg. Lowest Time
6PM4th Aug
52AQI
Night time
Avg. Highest Time
8PM4th Aug
59AQI
Avg. Lowest Time
9PM4th Aug
54AQI
In the last 24 hours,
Perai's AQI reached its highest point of 81 at 9 AM during the Day, while the lowest point, 52, was recorded at 6 PM during the Day between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Perai, Butterworth, Pulau Pinang, Malaysia
JulAug
06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th
Day
Night
6th Jul 2025477 AMAQI
6th Jul 2025468 AMAQI
6th Jul 2025409 AMAQI
6th Jul 20254210 AMAQI
6th Jul 20254111 AMAQI
6th Jul 20254212 PMAQI
6th Jul 2025461 PMAQI
6th Jul 2025442 PMAQI
6th Jul 2025433 PMAQI
6th Jul 2025404 PMAQI
6th Jul 2025445 PMAQI
6th Jul 2025406 PMAQI
6th Jul 2025467 PMAQI
6th Jul 2025448 PMAQI
6th Jul 2025459 PMAQI
6th Jul 20254210 PMAQI
6th Jul 20254211 PMAQI
7th Jul 20254312 AMAQI
7th Jul 2025461 AMAQI
7th Jul 2025472 AMAQI
7th Jul 2025493 AMAQI
7th Jul 2025494 AMAQI
7th Jul 2025485 AMAQI
7th Jul 2025466 AMAQI
28°C25/31°C
7th Jul 2025467 AMAQI
7th Jul 2025468 AMAQI
7th Jul 2025489 AMAQI
7th Jul 20254610 AMAQI
7th Jul 20254611 AMAQI
7th Jul 20254412 PMAQI
7th Jul 2025441 PMAQI
7th Jul 2025452 PMAQI
7th Jul 2025433 PMAQI
7th Jul 2025434 PMAQI
7th Jul 2025405 PMAQI
7th Jul 2025466 PMAQI
7th Jul 2025447 PMAQI
7th Jul 2025418 PMAQI
7th Jul 2025429 PMAQI
7th Jul 20254410 PMAQI
7th Jul 20254311 PMAQI
8th Jul 20254412 AMAQI
8th Jul 2025441 AMAQI
8th Jul 2025492 AMAQI
8th Jul 2025473 AMAQI
8th Jul 2025474 AMAQI
8th Jul 2025465 AMAQI
8th Jul 2025476 AMAQI
28°C26/30°C
8th Jul 2025477 AMAQI
8th Jul 2025428 AMAQI
8th Jul 2025419 AMAQI
8th Jul 20254310 AMAQI
8th Jul 20254211 AMAQI
8th Jul 20254412 PMAQI
8th Jul 2025441 PMAQI
8th Jul 2025462 PMAQI
8th Jul 2025453 PMAQI
8th Jul 2025444 PMAQI
8th Jul 2025425 PMAQI
8th Jul 2025446 PMAQI
8th Jul 2025427 PMAQI
8th Jul 2025428 PMAQI
8th Jul 2025429 PMAQI
8th Jul 20254210 PMAQI
8th Jul 20255411 PMAQI
9th Jul 20255112 AMAQI
9th Jul 2025521 AMAQI
9th Jul 2025472 AMAQI
9th Jul 2025483 AMAQI
9th Jul 2025454 AMAQI
9th Jul 2025465 AMAQI
9th Jul 2025446 AMAQI
26°C25/28°C
9th Jul 2025447 AMAQI
9th Jul 2025448 AMAQI
9th Jul 2025449 AMAQI
9th Jul 20254410 AMAQI
9th Jul 20254511 AMAQI
9th Jul 20254312 PMAQI
9th Jul 2025421 PMAQI
9th Jul 2025422 PMAQI
9th Jul 2025433 PMAQI
9th Jul 2025424 PMAQI
9th Jul 2025435 PMAQI
9th Jul 2025426 PMAQI
9th Jul 2025447 PMAQI
9th Jul 2025448 PMAQI
9th Jul 2025459 PMAQI
9th Jul 20254210 PMAQI
9th Jul 20254311 PMAQI
10th Jul 20254412 AMAQI
10th Jul 2025481 AMAQI
10th Jul 2025482 AMAQI
10th Jul 2025483 AMAQI
10th Jul 2025484 AMAQI
10th Jul 2025465 AMAQI
10th Jul 2025466 AMAQI
27°C25/29°C
10th Jul 2025477 AMAQI
10th Jul 2025428 AMAQI
10th Jul 2025419 AMAQI
10th Jul 20254210 AMAQI
10th Jul 20254511 AMAQI
10th Jul 20254412 PMAQI
10th Jul 2025441 PMAQI
10th Jul 2025452 PMAQI
10th Jul 2025443 PMAQI
10th Jul 2025444 PMAQI
10th Jul 2025445 PMAQI
10th Jul 2025456 PMAQI
10th Jul 2025437 PMAQI
10th Jul 2025458 PMAQI
10th Jul 2025439 PMAQI
10th Jul 20254610 PMAQI
10th Jul 20254411 PMAQI
11th Jul 20254512 AMAQI
11th Jul 2025471 AMAQI
11th Jul 2025472 AMAQI
11th Jul 2025443 AMAQI
11th Jul 2025474 AMAQI
11th Jul 2025465 AMAQI
11th Jul 2025476 AMAQI
28°C26/30°C
11th Jul 2025477 AMAQI
11th Jul 2025448 AMAQI
11th Jul 2025429 AMAQI
11th Jul 20253910 AMAQI
11th Jul 20254411 AMAQI
11th Jul 20254312 PMAQI
11th Jul 2025421 PMAQI
11th Jul 2025462 PMAQI
11th Jul 2025443 PMAQI
11th Jul 2025444 PMAQI
11th Jul 2025445 PMAQI
11th Jul 2025426 PMAQI
11th Jul 2025447 PMAQI
11th Jul 2025458 PMAQI
11th Jul 2025429 PMAQI
11th Jul 20254210 PMAQI
11th Jul 20254411 PMAQI
12th Jul 20254512 AMAQI
12th Jul 2025471 AMAQI
12th Jul 2025482 AMAQI
12th Jul 2025463 AMAQI
12th Jul 2025464 AMAQI
12th Jul 2025465 AMAQI
12th Jul 2025476 AMAQI
28°C25/30°C
12th Jul 2025477 AMAQI
12th Jul 2025428 AMAQI
12th Jul 2025419 AMAQI
12th Jul 20254310 AMAQI
12th Jul 20254111 AMAQI
12th Jul 20254412 PMAQI
12th Jul 2025441 PMAQI
12th Jul 2025422 PMAQI
12th Jul 2025423 PMAQI
12th Jul 2025434 PMAQI
12th Jul 2025425 PMAQI
12th Jul 2025406 PMAQI
12th Jul 2025417 PMAQI
12th Jul 2025408 PMAQI
12th Jul 2025429 PMAQI
12th Jul 20254010 PMAQI
12th Jul 20254311 PMAQI
13th Jul 20254412 AMAQI
13th Jul 2025471 AMAQI
13th Jul 2025492 AMAQI
13th Jul 2025473 AMAQI
13th Jul 2025464 AMAQI
13th Jul 2025465 AMAQI
13th Jul 2025456 AMAQI
28°C26/31°C
13th Jul 2025477 AMAQI
13th Jul 2025468 AMAQI
13th Jul 2025439 AMAQI
13th Jul 20254510 AMAQI
13th Jul 20254311 AMAQI
13th Jul 20254212 PMAQI
13th Jul 2025421 PMAQI
13th Jul 2025412 PMAQI
13th Jul 2025423 PMAQI
13th Jul 2025424 PMAQI
13th Jul 2025425 PMAQI
13th Jul 2025416 PMAQI
13th Jul 2025467 PMAQI
13th Jul 2025428 PMAQI
13th Jul 2025459 PMAQI
13th Jul 20254410 PMAQI
13th Jul 20254511 PMAQI
14th Jul 20254512 AMAQI
14th Jul 2025481 AMAQI
14th Jul 2025482 AMAQI
14th Jul 2025473 AMAQI
14th Jul 2025474 AMAQI
14th Jul 2025475 AMAQI
14th Jul 2025466 AMAQI
27°C26/30°C
14th Jul 2025467 AMAQI
14th Jul 2025438 AMAQI
14th Jul 2025419 AMAQI
14th Jul 20254210 AMAQI
14th Jul 20254211 AMAQI
14th Jul 20254112 PMAQI
14th Jul 2025451 PMAQI
14th Jul 2025482 PMAQI
14th Jul 2025463 PMAQI
14th Jul 2025424 PMAQI
14th Jul 2025435 PMAQI
14th Jul 2025436 PMAQI
14th Jul 2025427 PMAQI
14th Jul 2025438 PMAQI
14th Jul 2025469 PMAQI
14th Jul 20254310 PMAQI
14th Jul 20254511 PMAQI
15th Jul 20254012 AMAQI
15th Jul 2025481 AMAQI
15th Jul 2025462 AMAQI
15th Jul 2025473 AMAQI
15th Jul 2025484 AMAQI
15th Jul 2025485 AMAQI
15th Jul 2025486 AMAQI
28°C25/30°C
15th Jul 2025487 AMAQI
15th Jul 2025418 AMAQI
15th Jul 2025399 AMAQI
15th Jul 20254310 AMAQI
15th Jul 20254211 AMAQI
15th Jul 20254212 PMAQI
15th Jul 2025421 PMAQI
15th Jul 2025442 PMAQI
15th Jul 2025443 PMAQI
15th Jul 2025444 PMAQI
15th Jul 2025445 PMAQI
15th Jul 2025416 PMAQI
15th Jul 2025467 PMAQI
15th Jul 2025418 PMAQI
15th Jul 2025449 PMAQI
15th Jul 20254310 PMAQI
15th Jul 20254611 PMAQI
16th Jul 20254612 AMAQI
16th Jul 2025461 AMAQI
16th Jul 2025482 AMAQI
16th Jul 2025483 AMAQI
16th Jul 2025474 AMAQI
16th Jul 2025475 AMAQI
16th Jul 2025466 AMAQI
27°C26/28°C
16th Jul 2025467 AMAQI
16th Jul 2025428 AMAQI
16th Jul 2025409 AMAQI
16th Jul 20254210 AMAQI
16th Jul 20254211 AMAQI
16th Jul 20254312 PMAQI
16th Jul 2025421 PMAQI
16th Jul 2025432 PMAQI
16th Jul 2025433 PMAQI
16th Jul 2025454 PMAQI
16th Jul 2025445 PMAQI
16th Jul 2025526 PMAQI
16th Jul 2025437 PMAQI
16th Jul 2025448 PMAQI
16th Jul 2025429 PMAQI
16th Jul 20254110 PMAQI
16th Jul 20254311 PMAQI
17th Jul 20254412 AMAQI
17th Jul 2025451 AMAQI
17th Jul 2025482 AMAQI
17th Jul 2025493 AMAQI
17th Jul 2025484 AMAQI
17th Jul 2025495 AMAQI
17th Jul 2025476 AMAQI
27°C25/30°C
17th Jul 2025467 AMAQI
17th Jul 2025428 AMAQI
17th Jul 2025479 AMAQI
17th Jul 20254310 AMAQI
17th Jul 20254711 AMAQI
17th Jul 20255012 PMAQI
17th Jul 2025481 PMAQI
17th Jul 2025472 PMAQI
17th Jul 2025463 PMAQI
17th Jul 2025454 PMAQI
17th Jul 2025465 PMAQI
17th Jul 2025476 PMAQI
17th Jul 2025447 PMAQI
17th Jul 2025468 PMAQI
17th Jul 2025519 PMAQI
17th Jul 20254410 PMAQI
17th Jul 20254611 PMAQI
18th Jul 20254512 AMAQI
18th Jul 2025491 AMAQI
18th Jul 2025512 AMAQI
18th Jul 2025493 AMAQI
18th Jul 2025494 AMAQI
18th Jul 2025505 AMAQI
18th Jul 2025486 AMAQI
28°C25/31°C
18th Jul 2025477 AMAQI
18th Jul 2025478 AMAQI
18th Jul 2025459 AMAQI
18th Jul 20254310 AMAQI
18th Jul 20254511 AMAQI
18th Jul 20254512 PMAQI
18th Jul 2025431 PMAQI
18th Jul 2025462 PMAQI
18th Jul 2025433 PMAQI
18th Jul 2025454 PMAQI
18th Jul 2025455 PMAQI
18th Jul 2025466 PMAQI
18th Jul 2025447 PMAQI
18th Jul 2025488 PMAQI
18th Jul 2025469 PMAQI
18th Jul 20254510 PMAQI
18th Jul 20254511 PMAQI
19th Jul 20254812 AMAQI
19th Jul 2025461 AMAQI
19th Jul 2025492 AMAQI
19th Jul 2025503 AMAQI
19th Jul 2025494 AMAQI
19th Jul 2025495 AMAQI
19th Jul 2025486 AMAQI
28°C25/30°C
19th Jul 2025507 AMAQI
19th Jul 2025498 AMAQI
19th Jul 2025469 AMAQI
19th Jul 20255110 AMAQI
19th Jul 20255011 AMAQI
19th Jul 20254412 PMAQI
19th Jul 2025461 PMAQI
19th Jul 2025442 PMAQI
19th Jul 2025443 PMAQI
19th Jul 2025484 PMAQI
19th Jul 2025465 PMAQI
19th Jul 2025476 PMAQI
19th Jul 2025477 PMAQI
19th Jul 2025468 PMAQI
19th Jul 2025469 PMAQI
19th Jul 20254910 PMAQI
19th Jul 20255211 PMAQI
20th Jul 20255212 AMAQI
20th Jul 2025521 AMAQI
20th Jul 2025522 AMAQI
20th Jul 2025513 AMAQI
20th Jul 2025494 AMAQI
20th Jul 2025515 AMAQI
20th Jul 2025506 AMAQI
28°C26/31°C
20th Jul 2025507 AMAQI
20th Jul 2025498 AMAQI
20th Jul 2025479 AMAQI
20th Jul 20254410 AMAQI
20th Jul 20254211 AMAQI
20th Jul 20254612 PMAQI
20th Jul 2025461 PMAQI
20th Jul 2025472 PMAQI
20th Jul 2025483 PMAQI
20th Jul 2025484 PMAQI
20th Jul 2025515 PMAQI
20th Jul 2025486 PMAQI
20th Jul 2025507 PMAQI
20th Jul 2025488 PMAQI
20th Jul 2025509 PMAQI
20th Jul 20254810 PMAQI
20th Jul 20254911 PMAQI
21st Jul 20254912 AMAQI
21st Jul 2025491 AMAQI
21st Jul 2025522 AMAQI
21st Jul 2025523 AMAQI
21st Jul 2025524 AMAQI
21st Jul 2025525 AMAQI
21st Jul 2025526 AMAQI
28°C25/31°C
21st Jul 2025517 AMAQI
21st Jul 2025468 AMAQI
21st Jul 2025539 AMAQI
21st Jul 20254810 AMAQI
21st Jul 20254611 AMAQI
21st Jul 20254712 PMAQI
21st Jul 2025491 PMAQI
21st Jul 2025462 PMAQI
21st Jul 2025473 PMAQI
21st Jul 2025484 PMAQI
21st Jul 2025475 PMAQI
21st Jul 2025466 PMAQI
21st Jul 2025497 PMAQI
21st Jul 2025518 PMAQI
21st Jul 2025489 PMAQI
21st Jul 20254810 PMAQI
21st Jul 20254811 PMAQI
22nd Jul 20255012 AMAQI
22nd Jul 2025521 AMAQI
22nd Jul 2025522 AMAQI
22nd Jul 2025523 AMAQI
22nd Jul 2025524 AMAQI
22nd Jul 2025515 AMAQI
22nd Jul 2025526 AMAQI
28°C26/30°C
22nd Jul 2025527 AMAQI
22nd Jul 2025498 AMAQI
22nd Jul 2025459 AMAQI
22nd Jul 20254810 AMAQI
22nd Jul 20254611 AMAQI
22nd Jul 20254412 PMAQI
22nd Jul 2025461 PMAQI
22nd Jul 2025462 PMAQI
22nd Jul 2025483 PMAQI
22nd Jul 2025464 PMAQI
22nd Jul 2025455 PMAQI
22nd Jul 2025466 PMAQI
22nd Jul 2025467 PMAQI
22nd Jul 2025518 PMAQI
22nd Jul 2025519 PMAQI
22nd Jul 20255210 PMAQI
22nd Jul 20255111 PMAQI
23rd Jul 20255312 AMAQI
23rd Jul 2025541 AMAQI
23rd Jul 2025522 AMAQI
23rd Jul 2025523 AMAQI
23rd Jul 2025524 AMAQI
23rd Jul 2025525 AMAQI
23rd Jul 2025526 AMAQI
28°C26/31°C
23rd Jul 2025517 AMAQI
23rd Jul 2025478 AMAQI
23rd Jul 2025489 AMAQI
23rd Jul 20254810 AMAQI
23rd Jul 20254511 AMAQI
23rd Jul 20254812 PMAQI
23rd Jul 2025481 PMAQI
23rd Jul 2025462 PMAQI
23rd Jul 2025463 PMAQI
23rd Jul 2025524 PMAQI
23rd Jul 2025505 PMAQI
23rd Jul 2025486 PMAQI
23rd Jul 2025487 PMAQI
23rd Jul 2025508 PMAQI
23rd Jul 2025509 PMAQI
23rd Jul 20255310 PMAQI
23rd Jul 20255111 PMAQI
24th Jul 20255012 AMAQI
24th Jul 2025521 AMAQI
24th Jul 2025532 AMAQI
24th Jul 2025523 AMAQI
24th Jul 2025524 AMAQI
24th Jul 2025525 AMAQI
24th Jul 2025526 AMAQI
28°C25/30°C
24th Jul 2025527 AMAQI
24th Jul 2025508 AMAQI
24th Jul 2025509 AMAQI
24th Jul 20254710 AMAQI
24th Jul 20254611 AMAQI
24th Jul 20254812 PMAQI
24th Jul 2025481 PMAQI
24th Jul 2025462 PMAQI
24th Jul 2025483 PMAQI
24th Jul 2025484 PMAQI
24th Jul 2025505 PMAQI
24th Jul 2025506 PMAQI
24th Jul 2025527 PMAQI
24th Jul 2025528 PMAQI
24th Jul 2025539 PMAQI
24th Jul 20255010 PMAQI
24th Jul 20255111 PMAQI
25th Jul 20255012 AMAQI
25th Jul 2025511 AMAQI
25th Jul 2025532 AMAQI
25th Jul 2025523 AMAQI
25th Jul 2025524 AMAQI
25th Jul 2025525 AMAQI
25th Jul 2025526 AMAQI
28°C25/31°C
25th Jul 2025527 AMAQI
25th Jul 2025518 AMAQI
25th Jul 2025489 AMAQI
25th Jul 20255210 AMAQI
25th Jul 20255111 AMAQI
25th Jul 20254912 PMAQI
25th Jul 2025511 PMAQI
25th Jul 2025502 PMAQI
25th Jul 2025483 PMAQI
25th Jul 2025514 PMAQI
25th Jul 2025485 PMAQI
25th Jul 2025516 PMAQI
25th Jul 2025517 PMAQI
25th Jul 2025528 PMAQI
25th Jul 2025529 PMAQI
25th Jul 20254910 PMAQI
25th Jul 20255211 PMAQI
26th Jul 20255112 AMAQI
26th Jul 2025531 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025523 AMAQI
26th Jul 2025524 AMAQI
26th Jul 2025525 AMAQI
26th Jul 2025526 AMAQI
28°C26/31°C
26th Jul 2025527 AMAQI
26th Jul 2025528 AMAQI
26th Jul 2025509 AMAQI
26th Jul 20255110 AMAQI
26th Jul 20255011 AMAQI
26th Jul 20255212 PMAQI
26th Jul 2025521 PMAQI
26th Jul 2025522 PMAQI
26th Jul 2025523 PMAQI
26th Jul 2025504 PMAQI
26th Jul 2025515 PMAQI
26th Jul 2025506 PMAQI
26th Jul 2025517 PMAQI
26th Jul 2025518 PMAQI
26th Jul 2025529 PMAQI
26th Jul 20255110 PMAQI
26th Jul 20255111 PMAQI
27th Jul 20255312 AMAQI
27th Jul 2025531 AMAQI
27th Jul 2025532 AMAQI
27th Jul 2025523 AMAQI
27th Jul 2025524 AMAQI
27th Jul 2025525 AMAQI
27th Jul 2025526 AMAQI
28°C25/30°C
27th Jul 2025527 AMAQI
27th Jul 2025528 AMAQI
27th Jul 2025509 AMAQI
27th Jul 20255210 AMAQI
27th Jul 20255011 AMAQI
27th Jul 20255212 PMAQI
27th Jul 2025511 PMAQI
27th Jul 2025502 PMAQI
27th Jul 2025493 PMAQI
27th Jul 2025484 PMAQI
27th Jul 2025505 PMAQI
27th Jul 2025496 PMAQI
27th Jul 2025527 PMAQI
27th Jul 2025548 PMAQI
27th Jul 2025539 PMAQI
27th Jul 20255310 PMAQI
27th Jul 20255311 PMAQI
28th Jul 20255312 AMAQI
28th Jul 2025531 AMAQI
28th Jul 2025542 AMAQI
28th Jul 2025543 AMAQI
28th Jul 2025524 AMAQI
28th Jul 2025535 AMAQI
28th Jul 2025536 AMAQI
28°C26/31°C
28th Jul 2025547 AMAQI
28th Jul 2025518 AMAQI
28th Jul 2025529 AMAQI
28th Jul 20255110 AMAQI
28th Jul 20255211 AMAQI
28th Jul 20255112 PMAQI
28th Jul 2025511 PMAQI
28th Jul 2025502 PMAQI
28th Jul 2025513 PMAQI
28th Jul 2025504 PMAQI
28th Jul 2025525 PMAQI
28th Jul 2025516 PMAQI
28th Jul 2025517 PMAQI
28th Jul 2025538 PMAQI
28th Jul 2025529 PMAQI
28th Jul 20255210 PMAQI
28th Jul 20255411 PMAQI
29th Jul 20255612 AMAQI
29th Jul 2025531 AMAQI
29th Jul 2025542 AMAQI
29th Jul 2025533 AMAQI
29th Jul 2025534 AMAQI
29th Jul 2025535 AMAQI
29th Jul 2025536 AMAQI
28°C26/31°C
29th Jul 2025537 AMAQI
29th Jul 2025538 AMAQI
29th Jul 2025529 AMAQI
29th Jul 20255210 AMAQI
29th Jul 20255211 AMAQI
29th Jul 20255312 PMAQI
29th Jul 2025521 PMAQI
29th Jul 2025522 PMAQI
29th Jul 2025523 PMAQI
29th Jul 2025534 PMAQI
29th Jul 2025545 PMAQI
29th Jul 2025516 PMAQI
29th Jul 2025547 PMAQI
29th Jul 2025538 PMAQI
29th Jul 2025539 PMAQI
29th Jul 20255410 PMAQI
29th Jul 20255311 PMAQI
30th Jul 20255212 AMAQI
30th Jul 2025541 AMAQI
30th Jul 2025542 AMAQI
30th Jul 2025533 AMAQI
30th Jul 2025564 AMAQI
30th Jul 2025545 AMAQI
30th Jul 2025536 AMAQI
28°C25/31°C
30th Jul 2025537 AMAQI
30th Jul 2025538 AMAQI
30th Jul 2025529 AMAQI
30th Jul 20255410 AMAQI
30th Jul 20255311 AMAQI
30th Jul 20255212 PMAQI
30th Jul 2025521 PMAQI
30th Jul 2025522 PMAQI
30th Jul 2025523 PMAQI
30th Jul 2025514 PMAQI
30th Jul 2025505 PMAQI
30th Jul 2025526 PMAQI
30th Jul 2025527 PMAQI
30th Jul 2025538 PMAQI
30th Jul 2025539 PMAQI
30th Jul 20255210 PMAQI
30th Jul 20255311 PMAQI
31st Jul 20255312 AMAQI
31st Jul 2025541 AMAQI
31st Jul 2025542 AMAQI
31st Jul 2025533 AMAQI
31st Jul 2025534 AMAQI
31st Jul 2025535 AMAQI
31st Jul 2025536 AMAQI
28°C26/30°C
31st Jul 2025537 AMAQI
31st Jul 2025538 AMAQI
31st Jul 2025539 AMAQI
31st Jul 20255410 AMAQI
31st Jul 20255211 AMAQI
31st Jul 20255212 PMAQI
31st Jul 2025521 PMAQI
31st Jul 2025522 PMAQI
31st Jul 2025523 PMAQI
31st Jul 2025534 PMAQI
31st Jul 2025525 PMAQI
31st Jul 2025546 PMAQI
31st Jul 2025507 PMAQI
31st Jul 2025568 PMAQI
31st Jul 2025569 PMAQI
31st Jul 20256010 PMAQI
31st Jul 20255411 PMAQI
1st Aug 20255812 AMAQI
1st Aug 2025561 AMAQI
1st Aug 2025542 AMAQI
1st Aug 2025543 AMAQI
1st Aug 2025524 AMAQI
1st Aug 2025525 AMAQI
1st Aug 2025526 AMAQI
28°C26/30°C
1st Aug 2025557 AMAQI
1st Aug 2025548 AMAQI
1st Aug 2025549 AMAQI
1st Aug 20255610 AMAQI
1st Aug 20255611 AMAQI
1st Aug 20255312 PMAQI
1st Aug 2025541 PMAQI
1st Aug 2025542 PMAQI
1st Aug 2025563 PMAQI
1st Aug 2025524 PMAQI
1st Aug 2025555 PMAQI
1st Aug 2025566 PMAQI
1st Aug 2025567 PMAQI
1st Aug 2025558 PMAQI
1st Aug 2025549 PMAQI
1st Aug 20255710 PMAQI
1st Aug 20255411 PMAQI
2nd Aug 20255612 AMAQI
2nd Aug 2025561 AMAQI
2nd Aug 2025562 AMAQI
2nd Aug 2025533 AMAQI
2nd Aug 2025534 AMAQI
2nd Aug 2025545 AMAQI
2nd Aug 2025546 AMAQI
28°C26/31°C
2nd Aug 2025547 AMAQI
2nd Aug 2025568 AMAQI
2nd Aug 2025539 AMAQI
2nd Aug 20255610 AMAQI
2nd Aug 20255511 AMAQI
2nd Aug 20255412 PMAQI
2nd Aug 2025541 PMAQI
2nd Aug 2025542 PMAQI
2nd Aug 2025573 PMAQI
2nd Aug 2025514 PMAQI
2nd Aug 2025565 PMAQI
2nd Aug 2025586 PMAQI
2nd Aug 2025537 PMAQI
2nd Aug 2025528 PMAQI
2nd Aug 2025549 PMAQI
2nd Aug 20255410 PMAQI
2nd Aug 20255511 PMAQI
3rd Aug 20255712 AMAQI
3rd Aug 2025551 AMAQI
3rd Aug 2025552 AMAQI
3rd Aug 2025563 AMAQI
3rd Aug 2025544 AMAQI
3rd Aug 2025545 AMAQI
3rd Aug 2025546 AMAQI
29°C26/32°C
3rd Aug 2025567 AMAQI
3rd Aug 2025538 AMAQI
3rd Aug 2025549 AMAQI
3rd Aug 20255410 AMAQI
3rd Aug 20255611 AMAQI
3rd Aug 20255412 PMAQI
3rd Aug 2025561 PMAQI
3rd Aug 2025532 PMAQI
3rd Aug 2025583 PMAQI
3rd Aug 2025734 PMAQI
3rd Aug 2025645 PMAQI
3rd Aug 2025686 PMAQI
3rd Aug 2025707 PMAQI
3rd Aug 2025668 PMAQI
3rd Aug 2025749 PMAQI
3rd Aug 20257010 PMAQI
3rd Aug 20256311 PMAQI
4th Aug 20256212 AMAQI
4th Aug 2025551 AMAQI
4th Aug 2025562 AMAQI
4th Aug 2025543 AMAQI
4th Aug 2025554 AMAQI
4th Aug 2025555 AMAQI
4th Aug 2025546 AMAQI
28°C26/31°C
4th Aug 2025547 AMAQI
4th Aug 2025698 AMAQI
4th Aug 2025819 AMAQI
4th Aug 20257410 AMAQI
4th Aug 20257811 AMAQI
4th Aug 20256212 PMAQI
4th Aug 2025521 PMAQI
4th Aug 2025562 PMAQI
4th Aug 2025523 PMAQI
4th Aug 2025554 PMAQI
4th Aug 2025535 PMAQI
4th Aug 2025526 PMAQI
4th Aug 2025597 PMAQI
4th Aug 2025598 PMAQI
4th Aug 2025549 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20255611 PMAQI
5th Aug 20255512 AMAQI
5th Aug 2025551 AMAQI
5th Aug 2025562 AMAQI
5th Aug 2025563 AMAQI
5th Aug 2025584 AMAQI
5th Aug 2025585 AMAQI
5th Aug 2025586 AMAQI
27°C25/30°C
5th Aug 2025577 AMAQI
7 AM5th Aug 2025538 AMAQI
5th Aug 2025609 AMAQI
5th Aug 20256810 AMAQI
5th Aug 20256711 AMAQI
5th Aug 20255012 PMAQI
5th Aug 2025491 PMAQI
1 PM5th Aug 2025482 PMAQI
5th Aug 2025453 PMAQI
5th Aug 2025504 PMAQI
5th Aug 2025445 PMAQI
5th Aug 2025496 PMAQI
5th Aug 2025527 PMAQI
7 PM5th Aug 2025528 PMAQI
5th Aug 2025549 PMAQI
5th Aug 20255410 PMAQI
5th Aug 20255511 PMAQI
1 AM
6 AM
--°C/°C
Day time
Avg. Highest Time
7 AM - 7 PM
48AQI
13 hours / Day
390 hours / Month
Avg. Lowest Time
7 AM - 7 PM
48AQI
13 hours / Day
390 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 7 PM (Avg. 48), while the lowest AQI was between 7 AM to 7 PM (Avg. 48).
Night time
Avg. Highest Time
12 AM - 11 PM
50AQI
11 hours / Day
330 hours / Month
Avg. Lowest Time
12 AM - 11 PM
50AQI
11 hours / Day
330 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 50), while the lowest AQI was between 12 AM to 11 PM (Avg. 50).
2025 Days Vs Air Quality
Perai, Butterworth, Pulau Pinang, Malaysia
2025
35%
76
65%
140
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
76 DaysModerate
140 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 35%
Health Risk Level:
High
In 2025, 35% of 217 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.
1st January 2025
58AQI
58AQI
2nd January 2025
59AQI
59AQI
3rd January 2025
58AQI
58AQI
4th January 2025
58AQI
58AQI
5th January 2025
58AQI
58AQI
6th January 2025
58AQI
58AQI
7th January 2025
57AQI
57AQI
8th January 2025
58AQI
58AQI
9th January 2025
57AQI
57AQI
10th January 2025
57AQI
57AQI
11th January 2025
57AQI
57AQI
12th January 2025
56AQI
56AQI
13th January 2025
56AQI
56AQI
14th January 2025
57AQI
57AQI
15th January 2025
58AQI
58AQI
16th January 2025
57AQI
57AQI
17th January 2025
56AQI
56AQI
18th January 2025
57AQI
57AQI
19th January 2025
59AQI
59AQI
20th January 2025
58AQI
58AQI
21st January 2025
60AQI
60AQI
22nd January 2025
61AQI
61AQI
23rd January 2025
61AQI
61AQI
24th January 2025
61AQI
61AQI
25th January 2025
64AQI
64AQI
26th January 2025
65AQI
65AQI
27th January 2025
63AQI
63AQI
28th January 2025
63AQI
63AQI
29th January 2025
61AQI
61AQI
30th January 2025
62AQI
62AQI
31st January 2025
62AQI
62AQI
1st February 2025
62AQI
62AQI
2nd February 2025
64AQI
64AQI
3rd February 2025
65AQI
65AQI
4th February 2025
65AQI
65AQI
5th February 2025
66AQI
66AQI
6th February 2025
69AQI
69AQI
7th February 2025
70AQI
70AQI
8th February 2025
69AQI
69AQI
9th February 2025
69AQI
69AQI
10th February 2025
69AQI
69AQI
11th February 2025
70AQI
70AQI
12th February 2025
69AQI
69AQI
13th February 2025
69AQI
69AQI
14th February 2025
68AQI
68AQI
15th February 2025
69AQI
69AQI
16th February 2025
68AQI
68AQI
17th February 2025
67AQI
67AQI
18th February 2025
66AQI
66AQI
19th February 2025
65AQI
65AQI
20th February 2025
64AQI
64AQI
21st February 2025
62AQI
62AQI
22nd February 2025
62AQI
62AQI
23rd February 2025
61AQI
61AQI
24th February 2025
60AQI
60AQI
25th February 2025
59AQI
59AQI
26th February 2025
58AQI
58AQI
27th February 2025
58AQI
58AQI
28th February 2025
58AQI
58AQI
1st March 2025
58AQI
58AQI
2nd March 2025
58AQI
58AQI
3rd March 2025
57AQI
57AQI
4th March 2025
57AQI
57AQI
5th March 2025
57AQI
57AQI
6th March 2025
57AQI
57AQI
7th March 2025
56AQI
56AQI
8th March 2025
55AQI
55AQI
9th March 2025
55AQI
55AQI
10th March 2025
54AQI
54AQI
11th March 2025
54AQI
54AQI
12th March 2025
54AQI
54AQI
13th March 2025
54AQI
54AQI
14th March 2025
53AQI
53AQI
15th March 2025
52AQI
52AQI
16th March 2025
52AQI
52AQI
17th March 2025
51AQI
51AQI
18th March 2025
52AQI
52AQI
19th March 2025
53AQI
53AQI
20th March 2025
53AQI
53AQI
21st March 2025
54AQI
54AQI
22nd March 2025
55AQI
55AQI
23rd March 2025
56AQI
56AQI
24th March 2025
56AQI
56AQI
25th March 2025
57AQI
57AQI
26th March 2025
58AQI
58AQI
27th March 2025
58AQI
58AQI
28th March 2025
59AQI
59AQI
29th March 2025
59AQI
59AQI
30th March 2025
60AQI
60AQI
31st March 2025
59AQI
59AQI
1st April 2025
58AQI
58AQI
2nd April 2025
57AQI
57AQI
3rd April 2025
55AQI
55AQI
4th April 2025
55AQI
55AQI
5th April 2025
54AQI
54AQI
6th April 2025
54AQI
54AQI
7th April 2025
53AQI
53AQI
8th April 2025
53AQI
53AQI
9th April 2025
53AQI
53AQI
10th April 2025
52AQI
52AQI
11th April 2025
52AQI
52AQI
12th April 2025
52AQI
52AQI
13th April 2025
51AQI
51AQI
14th April 2025
51AQI
51AQI
15th April 2025
49AQI
49AQI
16th April 2025
49AQI
49AQI
17th April 2025
50AQI
50AQI
18th April 2025
49AQI
49AQI
19th April 2025
49AQI
49AQI
20th April 2025
49AQI
49AQI
21st April 2025
50AQI
50AQI
22nd April 2025
50AQI
50AQI
23rd April 2025
50AQI
50AQI
24th April 2025
49AQI
49AQI
25th April 2025
49AQI
49AQI
26th April 2025
48AQI
48AQI
27th April 2025
48AQI
48AQI
28th April 2025
48AQI
48AQI
29th April 2025
48AQI
48AQI
30th April 2025
48AQI
48AQI
1st May 2025
48AQI
48AQI
2nd May 2025
47AQI
47AQI
3rd May 2025
44AQI
44AQI
4th May 2025
46AQI
46AQI
5th May 2025
47AQI
47AQI
6th May 2025
49AQI
49AQI
7th May 2025
50AQI
50AQI
8th May 2025
53AQI
53AQI
9th May 2025
51AQI
51AQI
10th May 2025
51AQI
51AQI
11th May 2025
52AQI
52AQI
12th May 2025
49AQI
49AQI
13th May 2025
49AQI
49AQI
14th May 2025
50AQI
50AQI
15th May 2025
52AQI
52AQI
16th May 2025
53AQI
53AQI
17th May 2025
55AQI
55AQI
18th May 2025
54AQI
54AQI
19th May 2025
53AQI
53AQI
20th May 2025
52AQI
52AQI
21st May 2025
51AQI
51AQI
22nd May 2025
51AQI
51AQI
23rd May 2025
49AQI
49AQI
24th May 2025
46AQI
46AQI
25th May 2025
44AQI
44AQI
26th May 2025
42AQI
42AQI
27th May 2025
42AQI
42AQI
28th May 2025
44AQI
44AQI
29th May 2025
46AQI
46AQI
30th May 2025
49AQI
49AQI
31st May 2025
52AQI
52AQI
1st June 2025
53AQI
53AQI
2nd June 2025
53AQI
53AQI
3rd June 2025
53AQI
53AQI
4th June 2025
52AQI
52AQI
5th June 2025
52AQI
52AQI
6th June 2025
51AQI
51AQI
7th June 2025
49AQI
49AQI
8th June 2025
45AQI
45AQI
9th June 2025
46AQI
46AQI
10th June 2025
46AQI
46AQI
11th June 2025
45AQI
45AQI
12th June 2025
48AQI
48AQI
13th June 2025
52AQI
52AQI
14th June 2025
54AQI
54AQI
15th June 2025
54AQI
54AQI
16th June 2025
55AQI
55AQI
17th June 2025
52AQI
52AQI
18th June 2025
47AQI
47AQI
19th June 2025
45AQI
45AQI
20th June 2025
42AQI
42AQI
21st June 2025
41AQI
41AQI
22nd June 2025
38AQI
38AQI
23rd June 2025
38AQI
38AQI
24th June 2025
37AQI
37AQI
25th June 2025
38AQI
38AQI
26th June 2025
39AQI
39AQI
27th June 2025
41AQI
41AQI
28th June 2025
43AQI
43AQI
29th June 2025
44AQI
44AQI
30th June 2025
45AQI
45AQI
1st July 2025
46AQI
46AQI
2nd July 2025
44AQI
44AQI
3rd July 2025
46AQI
46AQI
4th July 2025
45AQI
45AQI
5th July 2025
45AQI
45AQI
6th July 2025
44AQI
44AQI
7th July 2025
45AQI
45AQI
8th July 2025
45AQI
45AQI
9th July 2025
45AQI
45AQI
10th July 2025
45AQI
45AQI
11th July 2025
44AQI
44AQI
12th July 2025
44AQI
44AQI
13th July 2025
44AQI
44AQI
14th July 2025
45AQI
45AQI
15th July 2025
44AQI
44AQI
16th July 2025
45AQI
45AQI
17th July 2025
47AQI
47AQI
18th July 2025
46AQI
46AQI
19th July 2025
48AQI
48AQI
20th July 2025
49AQI
49AQI
21st July 2025
49AQI
49AQI
22nd July 2025
49AQI
49AQI
23rd July 2025
50AQI
50AQI
24th July 2025
51AQI
51AQI
25th July 2025
51AQI
51AQI
26th July 2025
51AQI
51AQI
27th July 2025
52AQI
52AQI
28th July 2025
52AQI
52AQI
29th July 2025
53AQI
53AQI
30th July 2025
53AQI
53AQI
31st July 2025
54AQI
54AQI
1st August 2025
55AQI
55AQI
2nd August 2025
54AQI
54AQI
3rd August 2025
60AQI
60AQI
4th August 2025
58AQI
58AQI
59AQI
65AQI
56AQI
51AQI
49AQI
47AQI
47AQI
57AQI
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
4
76
140
Highest AQI recorded in
February65AQI
Lowest AQI recorded in
June47AQI
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
June58AQI
Lowest AQI recorded in
September0AQI
20230AQI
17
31
30
30
29
31
31
30
31
28
30
318
Highest AQI recorded in
February0AQI
Lowest AQI recorded in
December0AQI
20220AQI
25
20
31
29
31
30
21
1
25
30
21
264
Highest AQI recorded in
January0AQI
Lowest AQI recorded in
November0AQI
202123AQI
5
26
28
28
12
18
15
4
30
31
22
21
30
28
20
214
104
Highest AQI recorded in
February63AQI
Lowest AQI recorded in
December0AQI
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
August69AQI
Lowest AQI recorded in
May48AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
55AQILeast Polluted Year Recorded
2022(Avg.)
0AQIPerai's annual 2025 AQI (53) shows an average percentage change of 91.7% (worsened AQI) compared to previous years: 2020 (55), 2021 (23), 2022 (0), 2023 (0), 2024 (24).
