Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Kowloon, Hong Kong, China 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

Kowloon, Hong Kong, China

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
31st Aug 2022
100AQI
Lowest AQI recorded on
24th Aug 2021
22AQI

Same Day Analysis (18th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 35 of Good air quality, showing improvement over 2023 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 18th Aug - 19th Aug 2025

Kowloon, Hong Kong, China

AQI
Day
Night
.

5 AM18th Aug 2025

7 PM

4 AM19th Aug 2025

Day time
Avg. Highest Time
7AM18th Aug

39AQI

Avg. Lowest Time
10AM18th Aug

17AQI

Night time
Avg. Highest Time
5AM18th Aug

40AQI

Avg. Lowest Time
11PM18th Aug

33AQI

In the last 24 hours,

Kowloon's AQI reached its highest point of 40 at 5 AM during the Night, while the lowest point, 17, was recorded at 10 AM during the Day between 18th Aug and 19th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Kowloon, Hong Kong, China

JulAug
20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 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
Day
Night
20th Jul 2025575 AMAQI
20th Jul 2025576 AMAQI
20th Jul 2025587 AMAQI
20th Jul 2025398 AMAQI
20th Jul 2025229 AMAQI
20th Jul 20252010 AMAQI
20th Jul 20251511 AMAQI
20th Jul 20252012 PMAQI
20th Jul 2025291 PMAQI
20th Jul 2025252 PMAQI
20th Jul 2025183 PMAQI
20th Jul 2025214 PMAQI
20th Jul 2025175 PMAQI
20th Jul 2025196 PMAQI
20th Jul 2025277 PMAQI
20th Jul 2025398 PMAQI
20th Jul 2025409 PMAQI
20th Jul 20254010 PMAQI
20th Jul 20254211 PMAQI
21st Jul 20254412 AMAQI
21st Jul 2025531 AMAQI
21st Jul 2025552 AMAQI
21st Jul 2025533 AMAQI
21st Jul 2025514 AMAQI

28°C27/28°C

21st Jul 2025525 AMAQI
21st Jul 2025516 AMAQI
21st Jul 2025507 AMAQI
21st Jul 2025308 AMAQI
21st Jul 2025249 AMAQI
21st Jul 20253010 AMAQI
21st Jul 20253311 AMAQI
21st Jul 20253712 PMAQI
21st Jul 2025411 PMAQI
21st Jul 2025452 PMAQI
21st Jul 2025473 PMAQI
21st Jul 2025474 PMAQI
21st Jul 2025425 PMAQI
21st Jul 2025396 PMAQI
21st Jul 2025357 PMAQI
21st Jul 2025428 PMAQI
21st Jul 2025449 PMAQI
21st Jul 20254610 PMAQI
21st Jul 20254811 PMAQI
22nd Jul 20254712 AMAQI
22nd Jul 2025521 AMAQI
22nd Jul 2025522 AMAQI
22nd Jul 2025513 AMAQI
22nd Jul 2025494 AMAQI

28°C28/28°C

22nd Jul 2025495 AMAQI
22nd Jul 2025496 AMAQI
22nd Jul 2025497 AMAQI
22nd Jul 2025288 AMAQI
22nd Jul 2025239 AMAQI
22nd Jul 20252510 AMAQI
22nd Jul 20252911 AMAQI
22nd Jul 20254012 PMAQI
22nd Jul 2025461 PMAQI
22nd Jul 2025482 PMAQI
22nd Jul 2025483 PMAQI
22nd Jul 2025484 PMAQI
22nd Jul 2025405 PMAQI
22nd Jul 2025426 PMAQI
22nd Jul 2025477 PMAQI
22nd Jul 2025488 PMAQI
22nd Jul 2025459 PMAQI
22nd Jul 20254410 PMAQI
22nd Jul 20254111 PMAQI
23rd Jul 20253812 AMAQI
23rd Jul 2025471 AMAQI
23rd Jul 2025512 AMAQI
23rd Jul 2025493 AMAQI
23rd Jul 2025484 AMAQI

28°C27/29°C

23rd Jul 2025475 AMAQI
23rd Jul 2025476 AMAQI
23rd Jul 2025477 AMAQI
23rd Jul 2025268 AMAQI
23rd Jul 2025219 AMAQI
23rd Jul 20252510 AMAQI
23rd Jul 20252911 AMAQI
23rd Jul 20253412 PMAQI
23rd Jul 2025401 PMAQI
23rd Jul 2025372 PMAQI
23rd Jul 2025353 PMAQI
23rd Jul 2025284 PMAQI
23rd Jul 2025255 PMAQI
23rd Jul 2025306 PMAQI
23rd Jul 2025367 PMAQI
23rd Jul 2025428 PMAQI
23rd Jul 2025479 PMAQI
23rd Jul 20254810 PMAQI
23rd Jul 20254711 PMAQI
24th Jul 20254412 AMAQI
24th Jul 2025471 AMAQI
24th Jul 2025472 AMAQI
24th Jul 2025453 AMAQI
24th Jul 2025434 AMAQI

28°C27/29°C

24th Jul 2025435 AMAQI
24th Jul 2025436 AMAQI
24th Jul 2025437 AMAQI
24th Jul 2025348 AMAQI
24th Jul 2025359 AMAQI
24th Jul 20255310 AMAQI
24th Jul 20255911 AMAQI
24th Jul 20256112 PMAQI
24th Jul 2025671 PMAQI
24th Jul 2025682 PMAQI
24th Jul 2025723 PMAQI
24th Jul 2025694 PMAQI
24th Jul 2025665 PMAQI
24th Jul 2025656 PMAQI
24th Jul 2025607 PMAQI
24th Jul 2025538 PMAQI
24th Jul 2025529 PMAQI
24th Jul 20255410 PMAQI
24th Jul 20255511 PMAQI
25th Jul 20255512 AMAQI
25th Jul 2025491 AMAQI
25th Jul 2025462 AMAQI
25th Jul 2025483 AMAQI
25th Jul 2025504 AMAQI

29°C27/30°C

25th Jul 2025505 AMAQI
25th Jul 2025506 AMAQI
25th Jul 2025507 AMAQI
25th Jul 2025548 AMAQI
25th Jul 2025549 AMAQI
25th Jul 20255610 AMAQI
25th Jul 20255711 AMAQI
25th Jul 20256412 PMAQI
25th Jul 2025731 PMAQI
25th Jul 2025872 PMAQI
25th Jul 2025933 PMAQI
25th Jul 2025944 PMAQI
25th Jul 2025885 PMAQI
25th Jul 2025926 PMAQI
25th Jul 2025827 PMAQI
25th Jul 2025648 PMAQI
25th Jul 2025589 PMAQI
25th Jul 20255310 PMAQI
25th Jul 20254811 PMAQI
26th Jul 20254212 AMAQI
26th Jul 2025441 AMAQI
26th Jul 2025492 AMAQI
26th Jul 2025523 AMAQI
26th Jul 2025554 AMAQI

29°C28/31°C

26th Jul 2025545 AMAQI
26th Jul 2025546 AMAQI
26th Jul 2025557 AMAQI
26th Jul 2025558 AMAQI
26th Jul 2025599 AMAQI
26th Jul 20256010 AMAQI
26th Jul 20256411 AMAQI
26th Jul 20256912 PMAQI
26th Jul 2025721 PMAQI
26th Jul 2025812 PMAQI
26th Jul 2025783 PMAQI
26th Jul 2025804 PMAQI
26th Jul 2025815 PMAQI
26th Jul 2025766 PMAQI
26th Jul 2025687 PMAQI
26th Jul 2025608 PMAQI
26th Jul 2025609 PMAQI
26th Jul 20255910 PMAQI
26th Jul 20255811 PMAQI
27th Jul 20255612 AMAQI
27th Jul 2025531 AMAQI
27th Jul 2025522 AMAQI
27th Jul 2025533 AMAQI
27th Jul 2025554 AMAQI

29°C28/31°C

27th Jul 2025555 AMAQI
27th Jul 2025566 AMAQI
27th Jul 2025567 AMAQI
27th Jul 2025588 AMAQI
27th Jul 2025579 AMAQI
27th Jul 20255610 AMAQI
27th Jul 20255211 AMAQI
27th Jul 20254612 PMAQI
27th Jul 2025501 PMAQI
27th Jul 2025512 PMAQI
27th Jul 2025543 PMAQI
27th Jul 2025574 PMAQI
27th Jul 2025525 PMAQI
27th Jul 2025396 PMAQI
27th Jul 2025437 PMAQI
27th Jul 2025528 PMAQI
27th Jul 2025519 PMAQI
27th Jul 20255110 PMAQI
27th Jul 20254611 PMAQI
28th Jul 20254412 AMAQI
28th Jul 2025511 AMAQI
28th Jul 2025552 AMAQI
28th Jul 2025553 AMAQI
28th Jul 2025554 AMAQI

29°C28/30°C

28th Jul 2025555 AMAQI
28th Jul 2025556 AMAQI
28th Jul 2025547 AMAQI
28th Jul 2025338 AMAQI
28th Jul 2025289 AMAQI
28th Jul 20253610 AMAQI
28th Jul 20254511 AMAQI
28th Jul 20255312 PMAQI
28th Jul 2025571 PMAQI
28th Jul 2025592 PMAQI
28th Jul 2025643 PMAQI
28th Jul 2025694 PMAQI
28th Jul 2025755 PMAQI
28th Jul 2025726 PMAQI
28th Jul 2025657 PMAQI
28th Jul 2025608 PMAQI
28th Jul 2025619 PMAQI
28th Jul 20256110 PMAQI
28th Jul 20256211 PMAQI
29th Jul 20255912 AMAQI
29th Jul 2025561 AMAQI
29th Jul 2025542 AMAQI
29th Jul 2025543 AMAQI
29th Jul 2025544 AMAQI

29°C28/30°C

29th Jul 2025545 AMAQI
29th Jul 2025536 AMAQI
29th Jul 2025547 AMAQI
29th Jul 2025478 AMAQI
29th Jul 2025529 AMAQI
29th Jul 20253710 AMAQI
29th Jul 20254211 AMAQI
29th Jul 20253912 PMAQI
29th Jul 2025381 PMAQI
29th Jul 2025392 PMAQI
29th Jul 2025523 PMAQI
29th Jul 2025594 PMAQI
29th Jul 2025595 PMAQI
29th Jul 2025546 PMAQI
29th Jul 2025557 PMAQI
29th Jul 2025568 PMAQI
29th Jul 2025569 PMAQI
29th Jul 20255610 PMAQI
29th Jul 20255511 PMAQI
30th Jul 20255312 AMAQI
30th Jul 2025541 AMAQI
30th Jul 2025552 AMAQI
30th Jul 2025543 AMAQI
30th Jul 2025534 AMAQI

29°C28/30°C

30th Jul 2025545 AMAQI
30th Jul 2025536 AMAQI
30th Jul 2025537 AMAQI
30th Jul 2025528 AMAQI
30th Jul 2025569 AMAQI
30th Jul 20256210 AMAQI
30th Jul 20257011 AMAQI
30th Jul 20257212 PMAQI
30th Jul 2025731 PMAQI
30th Jul 2025772 PMAQI
30th Jul 2025783 PMAQI
30th Jul 2025684 PMAQI
30th Jul 2025625 PMAQI
30th Jul 2025566 PMAQI
30th Jul 2025587 PMAQI
30th Jul 2025558 PMAQI
30th Jul 2025549 PMAQI
30th Jul 20255510 PMAQI
30th Jul 20255511 PMAQI
31st Jul 20255412 AMAQI
31st Jul 2025541 AMAQI
31st Jul 2025542 AMAQI
31st Jul 2025543 AMAQI
31st Jul 2025544 AMAQI

29°C29/31°C

31st Jul 2025545 AMAQI
31st Jul 2025546 AMAQI
31st Jul 2025547 AMAQI
31st Jul 2025548 AMAQI
31st Jul 2025549 AMAQI
31st Jul 20255010 AMAQI
31st Jul 20254911 AMAQI
31st Jul 20255112 PMAQI
31st Jul 2025481 PMAQI
31st Jul 2025442 PMAQI
31st Jul 2025453 PMAQI
31st Jul 2025454 PMAQI
31st Jul 2025435 PMAQI
31st Jul 2025476 PMAQI
31st Jul 2025527 PMAQI
31st Jul 2025538 PMAQI
31st Jul 2025549 PMAQI
31st Jul 20255810 PMAQI
31st Jul 20255411 PMAQI
1st Aug 20255412 AMAQI
1st Aug 2025551 AMAQI
1st Aug 2025572 AMAQI
1st Aug 2025543 AMAQI
1st Aug 2025544 AMAQI

29°C28/29°C

1st Aug 2025545 AMAQI
1st Aug 2025566 AMAQI
1st Aug 2025567 AMAQI
1st Aug 2025548 AMAQI
1st Aug 2025589 AMAQI
1st Aug 20255210 AMAQI
1st Aug 20255411 AMAQI
1st Aug 20255312 PMAQI
1st Aug 2025551 PMAQI
1st Aug 2025502 PMAQI
1st Aug 2025473 PMAQI
1st Aug 2025504 PMAQI
1st Aug 2025485 PMAQI
1st Aug 2025506 PMAQI
1st Aug 2025527 PMAQI
1st Aug 2025538 PMAQI
1st Aug 2025529 PMAQI
1st Aug 20255410 PMAQI
1st Aug 20255311 PMAQI
2nd Aug 20255512 AMAQI
2nd Aug 2025551 AMAQI
2nd Aug 2025562 AMAQI
2nd Aug 2025563 AMAQI
2nd Aug 2025554 AMAQI

29°C28/30°C

2nd Aug 2025565 AMAQI
2nd Aug 2025566 AMAQI
2nd Aug 2025567 AMAQI
2nd Aug 2025528 AMAQI
2nd Aug 2025459 AMAQI
2nd Aug 20254710 AMAQI
2nd Aug 20254411 AMAQI
2nd Aug 20254012 PMAQI
2nd Aug 2025491 PMAQI
2nd Aug 2025462 PMAQI
2nd Aug 2025413 PMAQI
2nd Aug 2025434 PMAQI
2nd Aug 2025495 PMAQI
2nd Aug 2025456 PMAQI
2nd Aug 2025537 PMAQI
2nd Aug 2025588 PMAQI
2nd Aug 2025589 PMAQI
2nd Aug 20255710 PMAQI
2nd Aug 20255511 PMAQI
3rd Aug 20255512 AMAQI
3rd Aug 2025561 AMAQI
3rd Aug 2025572 AMAQI
3rd Aug 2025553 AMAQI
3rd Aug 2025554 AMAQI

28°C28/29°C

3rd Aug 2025555 AMAQI
3rd Aug 2025556 AMAQI
3rd Aug 2025557 AMAQI
3rd Aug 2025518 AMAQI
3rd Aug 2025449 AMAQI
3rd Aug 20255110 AMAQI
3rd Aug 20255511 AMAQI
3rd Aug 20255012 PMAQI
3rd Aug 2025411 PMAQI
3rd Aug 2025492 PMAQI
3rd Aug 2025553 PMAQI
3rd Aug 2025584 PMAQI
3rd Aug 2025525 PMAQI
3rd Aug 2025496 PMAQI
3rd Aug 2025507 PMAQI
3rd Aug 2025568 PMAQI
3rd Aug 2025579 PMAQI
3rd Aug 20255610 PMAQI
3rd Aug 20255711 PMAQI
4th Aug 20255612 AMAQI
4th Aug 2025551 AMAQI
4th Aug 2025562 AMAQI
4th Aug 2025553 AMAQI
4th Aug 2025554 AMAQI

28°C28/29°C

4th Aug 2025555 AMAQI
4th Aug 2025556 AMAQI
4th Aug 2025547 AMAQI
4th Aug 2025548 AMAQI
4th Aug 2025529 AMAQI
4th Aug 20254310 AMAQI
4th Aug 20254211 AMAQI
4th Aug 20254112 PMAQI
4th Aug 2025531 PMAQI
4th Aug 2025582 PMAQI
4th Aug 2025513 PMAQI
4th Aug 2025574 PMAQI
4th Aug 2025605 PMAQI
4th Aug 2025586 PMAQI
4th Aug 2025587 PMAQI
4th Aug 2025608 PMAQI
4th Aug 2025599 PMAQI
4th Aug 20255910 PMAQI
4th Aug 20255811 PMAQI
5th Aug 20255712 AMAQI
5th Aug 2025551 AMAQI
5th Aug 2025562 AMAQI
5th Aug 2025553 AMAQI
5th Aug 2025554 AMAQI

28°C27/28°C

5th Aug 2025555 AMAQI
5th Aug 2025556 AMAQI
5th Aug 2025557 AMAQI
5th Aug 2025268 AMAQI
5th Aug 2025329 AMAQI
5th Aug 20253310 AMAQI
5th Aug 20253111 AMAQI
5th Aug 20253012 PMAQI
5th Aug 2025321 PMAQI
5th Aug 2025312 PMAQI
5th Aug 2025403 PMAQI
5th Aug 2025374 PMAQI
5th Aug 2025505 PMAQI
5th Aug 2025586 PMAQI
5th Aug 2025567 PMAQI
5th Aug 2025588 PMAQI
5th Aug 2025589 PMAQI
5th Aug 20255610 PMAQI
5th Aug 20255811 PMAQI
6th Aug 20255712 AMAQI
6th Aug 2025561 AMAQI
6th Aug 2025562 AMAQI
6th Aug 2025553 AMAQI
6th Aug 2025534 AMAQI

27°C26/28°C

6th Aug 2025535 AMAQI
6th Aug 2025536 AMAQI
6th Aug 2025547 AMAQI
6th Aug 2025288 AMAQI
6th Aug 2025369 AMAQI
6th Aug 20252510 AMAQI
6th Aug 20253011 AMAQI
6th Aug 20252912 PMAQI
6th Aug 2025301 PMAQI
6th Aug 2025252 PMAQI
6th Aug 2025323 PMAQI
6th Aug 2025314 PMAQI
6th Aug 2025365 PMAQI
6th Aug 2025416 PMAQI
6th Aug 2025487 PMAQI
6th Aug 2025528 PMAQI
6th Aug 2025549 PMAQI
6th Aug 20255410 PMAQI
6th Aug 20255311 PMAQI
7th Aug 20255012 AMAQI
7th Aug 2025541 AMAQI
7th Aug 2025542 AMAQI
7th Aug 2025533 AMAQI
7th Aug 2025524 AMAQI

28°C28/28°C

7th Aug 2025515 AMAQI
7th Aug 2025516 AMAQI
7th Aug 2025527 AMAQI
7th Aug 2025498 AMAQI
7th Aug 2025499 AMAQI
7th Aug 20255610 AMAQI
7th Aug 20255511 AMAQI
7th Aug 20255312 PMAQI
7th Aug 2025421 PMAQI
7th Aug 2025392 PMAQI
7th Aug 2025413 PMAQI
7th Aug 2025374 PMAQI
7th Aug 2025425 PMAQI
7th Aug 2025386 PMAQI
7th Aug 2025447 PMAQI
7th Aug 2025488 PMAQI
7th Aug 2025509 PMAQI
7th Aug 20255210 PMAQI
7th Aug 20255211 PMAQI
8th Aug 20255012 AMAQI
8th Aug 2025521 AMAQI
8th Aug 2025522 AMAQI
8th Aug 2025523 AMAQI
8th Aug 2025524 AMAQI

29°C28/30°C

8th Aug 2025525 AMAQI
8th Aug 2025526 AMAQI
8th Aug 2025527 AMAQI
8th Aug 2025448 AMAQI
8th Aug 2025519 AMAQI
8th Aug 20256710 AMAQI
8th Aug 20256011 AMAQI
8th Aug 20255812 PMAQI
8th Aug 2025621 PMAQI
8th Aug 2025672 PMAQI
8th Aug 2025703 PMAQI
8th Aug 2025704 PMAQI
8th Aug 2025635 PMAQI
8th Aug 2025616 PMAQI
8th Aug 2025617 PMAQI
8th Aug 2025528 PMAQI
8th Aug 2025489 PMAQI
8th Aug 20255110 PMAQI
8th Aug 20255111 PMAQI
9th Aug 20255112 AMAQI
9th Aug 2025511 AMAQI
9th Aug 2025522 AMAQI
9th Aug 2025533 AMAQI
9th Aug 2025544 AMAQI

29°C28/30°C

9th Aug 2025545 AMAQI
9th Aug 2025546 AMAQI
9th Aug 2025547 AMAQI
9th Aug 2025518 AMAQI
9th Aug 2025469 AMAQI
9th Aug 20254810 AMAQI
9th Aug 20255011 AMAQI
9th Aug 20255412 PMAQI
9th Aug 2025511 PMAQI
9th Aug 2025452 PMAQI
9th Aug 2025433 PMAQI
9th Aug 2025394 PMAQI
9th Aug 2025425 PMAQI
9th Aug 2025526 PMAQI
9th Aug 2025527 PMAQI
9th Aug 2025538 PMAQI
9th Aug 2025549 PMAQI
9th Aug 20255410 PMAQI
9th Aug 20255411 PMAQI
10th Aug 20255312 AMAQI
10th Aug 2025531 AMAQI
10th Aug 2025532 AMAQI
10th Aug 2025533 AMAQI
10th Aug 2025534 AMAQI

28°C28/29°C

10th Aug 2025535 AMAQI
10th Aug 2025536 AMAQI
10th Aug 2025537 AMAQI
10th Aug 2025358 AMAQI
10th Aug 2025199 AMAQI
10th Aug 20251710 AMAQI
10th Aug 20251811 AMAQI
10th Aug 20252212 PMAQI
10th Aug 2025231 PMAQI
10th Aug 2025222 PMAQI
10th Aug 2025223 PMAQI
10th Aug 2025274 PMAQI
10th Aug 2025325 PMAQI
10th Aug 2025296 PMAQI
10th Aug 2025337 PMAQI
10th Aug 2025388 PMAQI
10th Aug 2025399 PMAQI
10th Aug 20254210 PMAQI
10th Aug 20253911 PMAQI
11th Aug 20253912 AMAQI
11th Aug 2025471 AMAQI
11th Aug 2025532 AMAQI
11th Aug 2025513 AMAQI
11th Aug 2025494 AMAQI

29°C28/30°C

11th Aug 2025485 AMAQI
11th Aug 2025496 AMAQI
11th Aug 2025507 AMAQI
11th Aug 2025298 AMAQI
11th Aug 2025259 AMAQI
11th Aug 20252610 AMAQI
11th Aug 20252611 AMAQI
11th Aug 20252712 PMAQI
11th Aug 2025341 PMAQI
11th Aug 2025402 PMAQI
11th Aug 2025403 PMAQI
11th Aug 2025434 PMAQI
11th Aug 2025375 PMAQI
11th Aug 2025456 PMAQI
11th Aug 2025457 PMAQI
11th Aug 2025398 PMAQI
11th Aug 2025449 PMAQI
11th Aug 20254410 PMAQI
11th Aug 20254011 PMAQI
12th Aug 20254812 AMAQI
12th Aug 2025511 AMAQI
12th Aug 2025502 AMAQI
12th Aug 2025493 AMAQI
12th Aug 2025474 AMAQI

29°C28/30°C

12th Aug 2025485 AMAQI
12th Aug 2025476 AMAQI
12th Aug 2025467 AMAQI
12th Aug 2025448 AMAQI
12th Aug 2025409 AMAQI
12th Aug 20254110 AMAQI
12th Aug 20254311 AMAQI
12th Aug 20254612 PMAQI
12th Aug 2025381 PMAQI
12th Aug 2025452 PMAQI
12th Aug 2025503 PMAQI
12th Aug 2025454 PMAQI
12th Aug 2025405 PMAQI
12th Aug 2025416 PMAQI
12th Aug 2025397 PMAQI
12th Aug 2025438 PMAQI
12th Aug 2025449 PMAQI
12th Aug 20254210 PMAQI
12th Aug 20254411 PMAQI
13th Aug 20254512 AMAQI
13th Aug 2025481 AMAQI
13th Aug 2025482 AMAQI
13th Aug 2025483 AMAQI
13th Aug 2025464 AMAQI

29°C28/30°C

13th Aug 2025465 AMAQI
13th Aug 2025476 AMAQI
13th Aug 2025477 AMAQI
13th Aug 2025348 AMAQI
13th Aug 2025409 AMAQI
13th Aug 20255010 AMAQI
13th Aug 20255011 AMAQI
13th Aug 20255012 PMAQI
13th Aug 2025541 PMAQI
13th Aug 2025552 PMAQI
13th Aug 2025523 PMAQI
13th Aug 2025544 PMAQI
13th Aug 2025555 PMAQI
13th Aug 2025566 PMAQI
13th Aug 2025527 PMAQI
13th Aug 2025528 PMAQI
13th Aug 2025509 PMAQI
13th Aug 20254710 PMAQI
13th Aug 20255011 PMAQI
14th Aug 20255012 AMAQI
14th Aug 2025481 AMAQI
14th Aug 2025472 AMAQI
14th Aug 2025463 AMAQI
14th Aug 2025474 AMAQI

29°C28/30°C

14th Aug 2025485 AMAQI
14th Aug 2025466 AMAQI
14th Aug 2025487 AMAQI
14th Aug 2025408 AMAQI
14th Aug 2025369 AMAQI
14th Aug 20253510 AMAQI
14th Aug 20252811 AMAQI
14th Aug 20252712 PMAQI
14th Aug 2025281 PMAQI
14th Aug 2025302 PMAQI
14th Aug 2025363 PMAQI
14th Aug 2025374 PMAQI
14th Aug 2025345 PMAQI
14th Aug 2025336 PMAQI
14th Aug 2025447 PMAQI
14th Aug 2025498 PMAQI
14th Aug 2025469 PMAQI
14th Aug 20254110 PMAQI
14th Aug 20254111 PMAQI
15th Aug 20253812 AMAQI
15th Aug 2025501 AMAQI
15th Aug 2025522 AMAQI
15th Aug 2025463 AMAQI
15th Aug 2025464 AMAQI

27°C25/28°C

15th Aug 2025465 AMAQI
15th Aug 2025476 AMAQI
15th Aug 2025457 AMAQI
15th Aug 2025198 AMAQI
15th Aug 2025269 AMAQI
15th Aug 20252810 AMAQI
15th Aug 20252811 AMAQI
15th Aug 20253312 PMAQI
15th Aug 2025231 PMAQI
15th Aug 2025272 PMAQI
15th Aug 2025253 PMAQI
15th Aug 2025264 PMAQI
15th Aug 2025275 PMAQI
15th Aug 2025276 PMAQI
15th Aug 2025357 PMAQI
15th Aug 2025388 PMAQI
15th Aug 2025389 PMAQI
15th Aug 20254110 PMAQI
15th Aug 20254211 PMAQI
16th Aug 20254312 AMAQI
16th Aug 2025481 AMAQI
16th Aug 2025462 AMAQI
16th Aug 2025443 AMAQI
16th Aug 2025414 AMAQI

28°C27/29°C

16th Aug 2025415 AMAQI
16th Aug 2025446 AMAQI
16th Aug 2025417 AMAQI
16th Aug 2025278 AMAQI
16th Aug 2025299 AMAQI
16th Aug 20253110 AMAQI
16th Aug 20253111 AMAQI
16th Aug 20253712 PMAQI
16th Aug 2025341 PMAQI
16th Aug 2025362 PMAQI
16th Aug 2025343 PMAQI
16th Aug 2025374 PMAQI
16th Aug 2025385 PMAQI
16th Aug 2025436 PMAQI
16th Aug 2025447 PMAQI
16th Aug 2025438 PMAQI
16th Aug 2025419 PMAQI
16th Aug 20254110 PMAQI
16th Aug 20254411 PMAQI
17th Aug 20254612 AMAQI
17th Aug 2025421 AMAQI
17th Aug 2025412 AMAQI
17th Aug 2025393 AMAQI
17th Aug 2025414 AMAQI

28°C27/29°C

17th Aug 2025425 AMAQI
17th Aug 2025416 AMAQI
17th Aug 2025407 AMAQI
17th Aug 2025338 AMAQI
17th Aug 2025259 AMAQI
17th Aug 20251610 AMAQI
17th Aug 20253011 AMAQI
17th Aug 20253212 PMAQI
17th Aug 2025271 PMAQI
17th Aug 2025352 PMAQI
17th Aug 2025323 PMAQI
17th Aug 2025314 PMAQI
17th Aug 2025295 PMAQI
17th Aug 2025346 PMAQI
17th Aug 2025367 PMAQI
17th Aug 2025328 PMAQI
17th Aug 2025379 PMAQI
17th Aug 20253610 PMAQI
17th Aug 20253511 PMAQI
18th Aug 20253612 AMAQI
18th Aug 2025421 AMAQI
18th Aug 2025442 AMAQI
18th Aug 2025413 AMAQI
18th Aug 2025404 AMAQI

27°C26/28°C

18th Aug 2025405 AMAQI
18th Aug 2025386 AMAQI
18th Aug 2025397 AMAQI
18th Aug 2025218 AMAQI
18th Aug 2025239 AMAQI
18th Aug 20251710 AMAQI
18th Aug 20252211 AMAQI
18th Aug 20253012 PMAQI
18th Aug 2025261 PMAQI
18th Aug 2025242 PMAQI
18th Aug 2025333 PMAQI
18th Aug 2025284 PMAQI
18th Aug 2025305 PMAQI
18th Aug 2025336 PMAQI
18th Aug 2025347 PMAQI
18th Aug 2025338 PMAQI
18th Aug 2025359 PMAQI
18th Aug 20253810 PMAQI
18th Aug 20253311 PMAQI
19th Aug 20253512 AMAQI
19th Aug 2025401 AMAQI
19th Aug 2025402 AMAQI
19th Aug 2025383 AMAQI
19th Aug 2025364 AMAQI

27°C26/27°C

19th Aug 2025375 AMAQI
5 AM
19th Aug 2025376 AMAQI
19th Aug 2025377 AMAQI
19th Aug 2025298 AMAQI
19th Aug 2025359 AMAQI
19th Aug 20253610 AMAQI
19th Aug 20253611 AMAQI
19th Aug 20252912 PMAQI
12 PM
19th Aug 2025351 PMAQI
19th Aug 2025382 PMAQI
19th Aug 2025463 PMAQI
19th Aug 2025534 PMAQI
19th Aug 2025505 PMAQI
19th Aug 2025496 PMAQI
19th Aug 2025467 PMAQI
7 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 7 AM

50AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
8 AM - 7 PM

44AQI

12 hours / Day
360 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 AM (Avg. 50), while the lowest AQI was between 8 AM to 7 PM (Avg. 44).
Night time
Avg. Highest Time
1 AM - 11 PM

50AQI

8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM

48AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 11 PM (Avg. 50), while the lowest AQI was between 12 AM to 12 AM (Avg. 48).

2025 Days Vs Air Quality

Kowloon, Hong Kong, China

2025

37%

84

60%

137

4%

9

Total number of days with different AQI categories in last 231 days in 2025 (134 days remaining)

Good
84 Days
Moderate
137 Days
Poor
9 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 37%

Health Risk Level:

High

In 2025, 37% of 231 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

Kowloon, Hong Kong, China

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
104AQI
2nd January 2025
127AQI
3rd January 2025
97AQI
4th January 2025
100AQI
5th January 2025
92AQI
6th January 2025
97AQI
7th January 2025
90AQI
8th January 2025
100AQI
9th January 2025
103AQI
10th January 2025
79AQI
11th January 2025
89AQI
12th January 2025
66AQI
13th January 2025
72AQI
14th January 2025
67AQI
15th January 2025
75AQI
16th January 2025
104AQI
17th January 2025
83AQI
18th January 2025
95AQI
19th January 2025
86AQI
20th January 2025
88AQI
21st January 2025
82AQI
22nd January 2025
80AQI
23rd January 2025
78AQI
24th January 2025
66AQI
25th January 2025
59AQI
26th January 2025
49AQI
27th January 2025
54AQI
28th January 2025
54AQI
29th January 2025
79AQI
30th January 2025
59AQI
31st January 2025
59AQI
1st February 2025
49AQI
2nd February 2025
53AQI
3rd February 2025
34AQI
4th February 2025
44AQI
5th February 2025
69AQI
6th February 2025
60AQI
7th February 2025
55AQI
8th February 2025
60AQI
9th February 2025
54AQI
10th February 2025
59AQI
11th February 2025
59AQI
12th February 2025
56AQI
13th February 2025
79AQI
14th February 2025
76AQI
15th February 2025
79AQI
16th February 2025
108AQI
17th February 2025
85AQI
18th February 2025
114AQI
19th February 2025
70AQI
20th February 2025
78AQI
21st February 2025
75AQI
22nd February 2025
67AQI
23rd February 2025
48AQI
24th February 2025
55AQI
25th February 2025
76AQI
26th February 2025
82AQI
27th February 2025
74AQI
28th February 2025
69AQI
1st March 2025
70AQI
2nd March 2025
58AQI
3rd March 2025
52AQI
4th March 2025
52AQI
5th March 2025
45AQI
6th March 2025
39AQI
7th March 2025
49AQI
8th March 2025
56AQI
9th March 2025
62AQI
10th March 2025
67AQI
11th March 2025
66AQI
12th March 2025
61AQI
13th March 2025
61AQI
14th March 2025
61AQI
15th March 2025
51AQI
16th March 2025
39AQI
17th March 2025
70AQI
18th March 2025
62AQI
19th March 2025
72AQI
20th March 2025
72AQI
21st March 2025
76AQI
22nd March 2025
71AQI
23rd March 2025
73AQI
24th March 2025
73AQI
25th March 2025
71AQI
26th March 2025
58AQI
27th March 2025
59AQI
28th March 2025
61AQI
29th March 2025
41AQI
30th March 2025
37AQI
31st March 2025
38AQI
1st April 2025
46AQI
2nd April 2025
50AQI
3rd April 2025
58AQI
4th April 2025
61AQI
5th April 2025
55AQI
6th April 2025
69AQI
7th April 2025
72AQI
8th April 2025
77AQI
9th April 2025
64AQI
10th April 2025
64AQI
11th April 2025
61AQI
12th April 2025
56AQI
13th April 2025
123AQI
14th April 2025
128AQI
15th April 2025
126AQI
16th April 2025
97AQI
17th April 2025
84AQI
18th April 2025
71AQI
19th April 2025
60AQI
20th April 2025
56AQI
21st April 2025
55AQI
22nd April 2025
57AQI
23rd April 2025
54AQI
24th April 2025
49AQI
25th April 2025
53AQI
26th April 2025
51AQI
27th April 2025
59AQI
28th April 2025
66AQI
29th April 2025
62AQI
30th April 2025
70AQI
1st May 2025
63AQI
2nd May 2025
77AQI
3rd May 2025
78AQI
4th May 2025
63AQI
5th May 2025
59AQI
6th May 2025
53AQI
7th May 2025
54AQI
8th May 2025
61AQI
9th May 2025
45AQI
10th May 2025
57AQI
11th May 2025
54AQI
12th May 2025
58AQI
13th May 2025
62AQI
14th May 2025
58AQI
15th May 2025
49AQI
16th May 2025
42AQI
17th May 2025
38AQI
18th May 2025
38AQI
19th May 2025
43AQI
20th May 2025
37AQI
21st May 2025
47AQI
22nd May 2025
41AQI
23rd May 2025
43AQI
24th May 2025
48AQI
25th May 2025
65AQI
26th May 2025
63AQI
27th May 2025
68AQI
28th May 2025
58AQI
29th May 2025
57AQI
30th May 2025
46AQI
31st May 2025
60AQI
1st June 2025
60AQI
2nd June 2025
53AQI
3rd June 2025
57AQI
4th June 2025
42AQI
5th June 2025
55AQI
6th June 2025
52AQI
7th June 2025
46AQI
8th June 2025
35AQI
9th June 2025
41AQI
10th June 2025
35AQI
11th June 2025
32AQI
12th June 2025
32AQI
13th June 2025
34AQI
14th June 2025
42AQI
15th June 2025
39AQI
16th June 2025
41AQI
17th June 2025
42AQI
18th June 2025
38AQI
19th June 2025
37AQI
20th June 2025
34AQI
21st June 2025
31AQI
22nd June 2025
28AQI
23rd June 2025
27AQI
24th June 2025
27AQI
25th June 2025
28AQI
26th June 2025
28AQI
27th June 2025
29AQI
28th June 2025
29AQI
29th June 2025
30AQI
30th June 2025
28AQI
1st July 2025
27AQI
2nd July 2025
29AQI
3rd July 2025
34AQI
4th July 2025
40AQI
5th July 2025
41AQI
6th July 2025
42AQI
7th July 2025
49AQI
8th July 2025
38AQI
9th July 2025
43AQI
10th July 2025
46AQI
11th July 2025
47AQI
12th July 2025
46AQI
13th July 2025
50AQI
14th July 2025
47AQI
15th July 2025
49AQI
16th July 2025
48AQI
17th July 2025
52AQI
18th July 2025
53AQI
19th July 2025
58AQI
20th July 2025
37AQI
21st July 2025
44AQI
22nd July 2025
44AQI
23rd July 2025
40AQI
24th July 2025
53AQI
25th July 2025
62AQI
26th July 2025
61AQI
27th July 2025
52AQI
28th July 2025
56AQI
29th July 2025
52AQI
30th July 2025
59AQI
31st July 2025
52AQI
1st August 2025
53AQI
2nd August 2025
52AQI
3rd August 2025
53AQI
4th August 2025
55AQI
5th August 2025
49AQI
6th August 2025
45AQI
7th August 2025
49AQI
8th August 2025
56AQI
9th August 2025
51AQI
10th August 2025
38AQI
11th August 2025
42AQI
12th August 2025
45AQI
13th August 2025
49AQI
14th August 2025
41AQI
15th August 2025
37AQI
16th August 2025
40AQI
17th August 2025
35AQI
18th August 2025
35AQI

82AQI

67AQI

59AQI

68AQI

54AQI

38AQI

47AQI

46AQI

No. of days

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

202558AQI

1
26
4
4
22
2
7
24
3
24
3
12
19
25
5
20
11
12
6
84
137
9

Highest AQI recorded in

January

82AQI

Lowest AQI recorded in

June

38AQI

202455AQI

4
22
5
7
22
5
26
11
19
15
16
29
29
2
24
7
22
8
5
26
10
20
24
7
161
192
12

Highest AQI recorded in

December

86AQI

Lowest AQI recorded in

July

30AQI

202354AQI

4
27
4
24
7
23
1
8
22
11
20
28
2
27
4
28
3
25
5
8
23
5
24
4
24
3
159
201
4

Highest AQI recorded in

December

71AQI

Lowest AQI recorded in

July

33AQI

202254AQI

6
21
4
13
10
11
18
2
10
20
19
12
30
23
1
1
1
4
21
4
10
21
15
15
6
23
2
148
163
12

Highest AQI recorded in

January

75AQI

Lowest AQI recorded in

June

33AQI

202156AQI

25
6
2
26
5
24
2
5
25
23
8
24
5
1
26
5
25
6
18
12
14
17
5
25
4
22
5
151
200
14

Highest AQI recorded in

January

82AQI

Lowest AQI recorded in

July

39AQI

202051AQI

2
11
5
16
12
6
30
31
26
5
17
11
2
1
30
3
27
1
29
1
128
135
3

Highest AQI recorded in

December

77AQI

Lowest AQI recorded in

July

25AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
58AQI
Least Polluted Year Recorded
2020(Avg.)
51AQI

Kowloon's annual 2025 AQI (58) shows an average percentage change of 7.6% (worsened AQI) compared to previous years: 2020 (51), 2021 (56), 2022 (54), 2023 (54), 2024 (55).