Sai Ying Pun, Hong Kong Island, 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
Sai Ying Pun, Hong Kong Island, Hong Kong, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
31st Aug 2022
118AQILowest AQI recorded on
25th Aug 2021
17AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 54 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Sai Ying Pun, Hong Kong Island, Hong Kong, China
AQI
Day
Night
.
5 AM2nd Aug 2025
7 PM
4 AM3rd Aug 2025
Day time
Avg. Highest Time
6AM2nd Aug
57AQI
Avg. Lowest Time
3PM2nd Aug
45AQI
Night time
Avg. Highest Time
9PM2nd Aug
59AQI
Avg. Lowest Time
4AM3rd Aug
56AQI
In the last 24 hours,
Sai Ying Pun's AQI reached its highest point of 59 at 9 PM during the Night, while the lowest point, 45, was recorded at 3 PM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Sai Ying Pun, Hong Kong Island, Hong Kong, China
JulAug
04th - 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 - 31st31st - 01st01st - 02nd02nd - 03rd03rd
Day
Night
4th Jul 2025355 AMAQI
4th Jul 2025366 AMAQI
4th Jul 2025357 AMAQI
4th Jul 2025458 AMAQI
4th Jul 2025509 AMAQI
4th Jul 20255110 AMAQI
4th Jul 20255311 AMAQI
4th Jul 20254912 PMAQI
4th Jul 2025501 PMAQI
4th Jul 2025442 PMAQI
4th Jul 2025463 PMAQI
4th Jul 2025484 PMAQI
4th Jul 2025505 PMAQI
4th Jul 2025486 PMAQI
4th Jul 2025487 PMAQI
4th Jul 2025448 PMAQI
4th Jul 2025479 PMAQI
4th Jul 20254610 PMAQI
4th Jul 20254311 PMAQI
5th Jul 20253812 AMAQI
5th Jul 2025361 AMAQI
5th Jul 2025342 AMAQI
5th Jul 2025363 AMAQI
5th Jul 2025384 AMAQI
29°C27/30°C
5th Jul 2025375 AMAQI
5th Jul 2025386 AMAQI
5th Jul 2025377 AMAQI
5th Jul 2025338 AMAQI
5th Jul 2025369 AMAQI
5th Jul 20253810 AMAQI
5th Jul 20254211 AMAQI
5th Jul 20255212 PMAQI
5th Jul 2025581 PMAQI
5th Jul 2025592 PMAQI
5th Jul 2025603 PMAQI
5th Jul 2025664 PMAQI
5th Jul 2025665 PMAQI
5th Jul 2025576 PMAQI
5th Jul 2025467 PMAQI
5th Jul 2025388 PMAQI
5th Jul 2025389 PMAQI
5th Jul 20253710 PMAQI
5th Jul 20253811 PMAQI
6th Jul 20253712 AMAQI
6th Jul 2025371 AMAQI
6th Jul 2025372 AMAQI
6th Jul 2025383 AMAQI
6th Jul 2025404 AMAQI
29°C28/31°C
6th Jul 2025405 AMAQI
6th Jul 2025426 AMAQI
6th Jul 2025417 AMAQI
6th Jul 2025318 AMAQI
6th Jul 2025299 AMAQI
6th Jul 20253810 AMAQI
6th Jul 20253911 AMAQI
6th Jul 20254912 PMAQI
6th Jul 2025511 PMAQI
6th Jul 2025612 PMAQI
6th Jul 2025613 PMAQI
6th Jul 2025654 PMAQI
6th Jul 2025655 PMAQI
6th Jul 2025606 PMAQI
6th Jul 2025527 PMAQI
6th Jul 2025448 PMAQI
6th Jul 2025429 PMAQI
6th Jul 20253910 PMAQI
6th Jul 20253811 PMAQI
7th Jul 20253812 AMAQI
7th Jul 2025401 AMAQI
7th Jul 2025392 AMAQI
7th Jul 2025423 AMAQI
7th Jul 2025424 AMAQI
29°C27/31°C
7th Jul 2025405 AMAQI
7th Jul 2025416 AMAQI
7th Jul 2025427 AMAQI
7th Jul 2025568 AMAQI
7th Jul 2025609 AMAQI
7th Jul 20256610 AMAQI
7th Jul 20256711 AMAQI
7th Jul 20256312 PMAQI
7th Jul 2025641 PMAQI
7th Jul 2025672 PMAQI
7th Jul 2025653 PMAQI
7th Jul 2025664 PMAQI
7th Jul 2025615 PMAQI
7th Jul 2025566 PMAQI
7th Jul 2025537 PMAQI
7th Jul 2025448 PMAQI
7th Jul 2025469 PMAQI
7th Jul 20254410 PMAQI
7th Jul 20254011 PMAQI
8th Jul 20254012 AMAQI
8th Jul 2025441 AMAQI
8th Jul 2025432 AMAQI
8th Jul 2025443 AMAQI
8th Jul 2025494 AMAQI
30°C28/31°C
8th Jul 2025465 AMAQI
8th Jul 2025486 AMAQI
8th Jul 2025477 AMAQI
8th Jul 2025328 AMAQI
8th Jul 2025269 AMAQI
8th Jul 20252610 AMAQI
8th Jul 20253111 AMAQI
8th Jul 20253512 PMAQI
8th Jul 2025371 PMAQI
8th Jul 2025322 PMAQI
8th Jul 2025343 PMAQI
8th Jul 2025364 PMAQI
8th Jul 2025365 PMAQI
8th Jul 2025336 PMAQI
8th Jul 2025307 PMAQI
8th Jul 2025398 PMAQI
8th Jul 2025389 PMAQI
8th Jul 20254010 PMAQI
8th Jul 20254111 PMAQI
9th Jul 20254012 AMAQI
9th Jul 2025441 AMAQI
9th Jul 2025442 AMAQI
9th Jul 2025463 AMAQI
9th Jul 2025424 AMAQI
29°C29/31°C
9th Jul 2025445 AMAQI
9th Jul 2025426 AMAQI
9th Jul 2025437 AMAQI
9th Jul 2025368 AMAQI
9th Jul 2025379 AMAQI
9th Jul 20253610 AMAQI
9th Jul 20253911 AMAQI
9th Jul 20254312 PMAQI
9th Jul 2025421 PMAQI
9th Jul 2025432 PMAQI
9th Jul 2025483 PMAQI
9th Jul 2025524 PMAQI
9th Jul 2025465 PMAQI
9th Jul 2025426 PMAQI
9th Jul 2025437 PMAQI
9th Jul 2025458 PMAQI
9th Jul 2025479 PMAQI
9th Jul 20254410 PMAQI
9th Jul 20254311 PMAQI
10th Jul 20254312 AMAQI
10th Jul 2025421 AMAQI
10th Jul 2025452 AMAQI
10th Jul 2025453 AMAQI
10th Jul 2025464 AMAQI
30°C28/31°C
10th Jul 2025465 AMAQI
10th Jul 2025456 AMAQI
10th Jul 2025447 AMAQI
10th Jul 2025318 AMAQI
10th Jul 2025329 AMAQI
10th Jul 20253610 AMAQI
10th Jul 20254311 AMAQI
10th Jul 20254612 PMAQI
10th Jul 2025501 PMAQI
10th Jul 2025462 PMAQI
10th Jul 2025513 PMAQI
10th Jul 2025564 PMAQI
10th Jul 2025595 PMAQI
10th Jul 2025516 PMAQI
10th Jul 2025457 PMAQI
10th Jul 2025448 PMAQI
10th Jul 2025489 PMAQI
10th Jul 20254610 PMAQI
10th Jul 20254311 PMAQI
11th Jul 20254212 AMAQI
11th Jul 2025441 AMAQI
11th Jul 2025442 AMAQI
11th Jul 2025433 AMAQI
11th Jul 2025444 AMAQI
28°C27/29°C
11th Jul 2025495 AMAQI
11th Jul 2025506 AMAQI
11th Jul 2025507 AMAQI
11th Jul 2025478 AMAQI
11th Jul 2025529 AMAQI
11th Jul 20255110 AMAQI
11th Jul 20254511 AMAQI
11th Jul 20254812 PMAQI
11th Jul 2025541 PMAQI
11th Jul 2025552 PMAQI
11th Jul 2025533 PMAQI
11th Jul 2025494 PMAQI
11th Jul 2025465 PMAQI
11th Jul 2025486 PMAQI
11th Jul 2025517 PMAQI
11th Jul 2025508 PMAQI
11th Jul 2025519 PMAQI
11th Jul 20255010 PMAQI
11th Jul 20255211 PMAQI
12th Jul 20255212 AMAQI
12th Jul 2025481 AMAQI
12th Jul 2025472 AMAQI
12th Jul 2025463 AMAQI
12th Jul 2025484 AMAQI
27°C26/28°C
12th Jul 2025505 AMAQI
12th Jul 2025486 AMAQI
12th Jul 2025497 AMAQI
12th Jul 2025298 AMAQI
12th Jul 2025309 AMAQI
12th Jul 20254110 AMAQI
12th Jul 20254911 AMAQI
12th Jul 20255212 PMAQI
12th Jul 2025501 PMAQI
12th Jul 2025522 PMAQI
12th Jul 2025443 PMAQI
12th Jul 2025474 PMAQI
12th Jul 2025465 PMAQI
12th Jul 2025426 PMAQI
12th Jul 2025467 PMAQI
12th Jul 2025528 PMAQI
12th Jul 2025529 PMAQI
12th Jul 20255210 PMAQI
12th Jul 20255211 PMAQI
13th Jul 20255212 AMAQI
13th Jul 2025521 AMAQI
13th Jul 2025522 AMAQI
13th Jul 2025523 AMAQI
13th Jul 2025514 AMAQI
29°C27/30°C
13th Jul 2025525 AMAQI
13th Jul 2025526 AMAQI
13th Jul 2025527 AMAQI
13th Jul 2025468 AMAQI
13th Jul 2025439 AMAQI
13th Jul 20254810 AMAQI
13th Jul 20255311 AMAQI
13th Jul 20255212 PMAQI
13th Jul 2025501 PMAQI
13th Jul 2025492 PMAQI
13th Jul 2025523 PMAQI
13th Jul 2025524 PMAQI
13th Jul 2025485 PMAQI
13th Jul 2025476 PMAQI
13th Jul 2025517 PMAQI
13th Jul 2025538 PMAQI
13th Jul 2025529 PMAQI
13th Jul 20255310 PMAQI
13th Jul 20255311 PMAQI
14th Jul 20255312 AMAQI
14th Jul 2025521 AMAQI
14th Jul 2025522 AMAQI
14th Jul 2025523 AMAQI
14th Jul 2025524 AMAQI
29°C28/30°C
14th Jul 2025525 AMAQI
14th Jul 2025526 AMAQI
14th Jul 2025537 AMAQI
14th Jul 2025498 AMAQI
14th Jul 2025469 AMAQI
14th Jul 20254610 AMAQI
14th Jul 20254811 AMAQI
14th Jul 20255312 PMAQI
14th Jul 2025521 PMAQI
14th Jul 2025482 PMAQI
14th Jul 2025463 PMAQI
14th Jul 2025444 PMAQI
14th Jul 2025425 PMAQI
14th Jul 2025416 PMAQI
14th Jul 2025407 PMAQI
14th Jul 2025518 PMAQI
14th Jul 2025519 PMAQI
14th Jul 20255210 PMAQI
14th Jul 20255211 PMAQI
15th Jul 20255212 AMAQI
15th Jul 2025521 AMAQI
15th Jul 2025532 AMAQI
15th Jul 2025533 AMAQI
15th Jul 2025534 AMAQI
29°C28/31°C
15th Jul 2025535 AMAQI
15th Jul 2025536 AMAQI
15th Jul 2025527 AMAQI
15th Jul 2025388 AMAQI
15th Jul 2025389 AMAQI
15th Jul 20254110 AMAQI
15th Jul 20253811 AMAQI
15th Jul 20254712 PMAQI
15th Jul 2025461 PMAQI
15th Jul 2025432 PMAQI
15th Jul 2025453 PMAQI
15th Jul 2025484 PMAQI
15th Jul 2025475 PMAQI
15th Jul 2025486 PMAQI
15th Jul 2025447 PMAQI
15th Jul 2025528 PMAQI
15th Jul 2025529 PMAQI
15th Jul 20255210 PMAQI
15th Jul 20255011 PMAQI
16th Jul 20255212 AMAQI
16th Jul 2025521 AMAQI
16th Jul 2025522 AMAQI
16th Jul 2025523 AMAQI
16th Jul 2025524 AMAQI
29°C28/30°C
16th Jul 2025525 AMAQI
16th Jul 2025526 AMAQI
16th Jul 2025527 AMAQI
16th Jul 2025398 AMAQI
16th Jul 2025409 AMAQI
16th Jul 20253910 AMAQI
16th Jul 20254511 AMAQI
16th Jul 20254412 PMAQI
16th Jul 2025441 PMAQI
16th Jul 2025442 PMAQI
16th Jul 2025433 PMAQI
16th Jul 2025444 PMAQI
16th Jul 2025435 PMAQI
16th Jul 2025466 PMAQI
16th Jul 2025447 PMAQI
16th Jul 2025518 PMAQI
16th Jul 2025529 PMAQI
16th Jul 20255210 PMAQI
16th Jul 20255211 PMAQI
17th Jul 20255212 AMAQI
17th Jul 2025521 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025523 AMAQI
17th Jul 2025524 AMAQI
29°C29/30°C
17th Jul 2025525 AMAQI
17th Jul 2025526 AMAQI
17th Jul 2025527 AMAQI
17th Jul 2025408 AMAQI
17th Jul 2025379 AMAQI
17th Jul 20254410 AMAQI
17th Jul 20254611 AMAQI
17th Jul 20255212 PMAQI
17th Jul 2025521 PMAQI
17th Jul 2025532 PMAQI
17th Jul 2025543 PMAQI
17th Jul 2025544 PMAQI
17th Jul 2025555 PMAQI
17th Jul 2025546 PMAQI
17th Jul 2025557 PMAQI
17th Jul 2025558 PMAQI
17th Jul 2025559 PMAQI
17th Jul 20255610 PMAQI
17th Jul 20255611 PMAQI
18th Jul 20255512 AMAQI
18th Jul 2025531 AMAQI
18th Jul 2025522 AMAQI
18th Jul 2025523 AMAQI
18th Jul 2025524 AMAQI
30°C29/31°C
18th Jul 2025525 AMAQI
18th Jul 2025526 AMAQI
18th Jul 2025527 AMAQI
18th Jul 2025488 AMAQI
18th Jul 2025559 AMAQI
18th Jul 20255610 AMAQI
18th Jul 20256011 AMAQI
18th Jul 20256112 PMAQI
18th Jul 2025591 PMAQI
18th Jul 2025562 PMAQI
18th Jul 2025503 PMAQI
18th Jul 2025524 PMAQI
18th Jul 2025555 PMAQI
18th Jul 2025546 PMAQI
18th Jul 2025537 PMAQI
18th Jul 2025548 PMAQI
18th Jul 2025549 PMAQI
18th Jul 20255510 PMAQI
18th Jul 20255611 PMAQI
19th Jul 20255712 AMAQI
19th Jul 2025541 AMAQI
19th Jul 2025542 AMAQI
19th Jul 2025553 AMAQI
19th Jul 2025554 AMAQI
30°C29/32°C
19th Jul 2025555 AMAQI
19th Jul 2025556 AMAQI
19th Jul 2025557 AMAQI
19th Jul 2025738 AMAQI
19th Jul 2025769 AMAQI
19th Jul 20257410 AMAQI
19th Jul 20257411 AMAQI
19th Jul 20257012 PMAQI
19th Jul 2025701 PMAQI
19th Jul 2025672 PMAQI
19th Jul 2025723 PMAQI
19th Jul 2025704 PMAQI
19th Jul 2025665 PMAQI
19th Jul 2025616 PMAQI
19th Jul 2025577 PMAQI
19th Jul 2025578 PMAQI
19th Jul 2025559 PMAQI
19th Jul 20255210 PMAQI
19th Jul 20255311 PMAQI
20th Jul 20255312 AMAQI
20th Jul 2025551 AMAQI
20th Jul 2025562 AMAQI
20th Jul 2025563 AMAQI
20th Jul 2025584 AMAQI
29°C27/32°C
20th Jul 2025585 AMAQI
20th Jul 2025586 AMAQI
20th Jul 2025587 AMAQI
20th Jul 2025378 AMAQI
20th Jul 2025169 AMAQI
20th Jul 20251810 AMAQI
20th Jul 20251511 AMAQI
20th Jul 20252212 PMAQI
20th Jul 2025221 PMAQI
20th Jul 2025272 PMAQI
20th Jul 2025223 PMAQI
20th Jul 2025324 PMAQI
20th Jul 2025195 PMAQI
20th Jul 2025226 PMAQI
20th Jul 2025287 PMAQI
20th Jul 2025378 PMAQI
20th Jul 2025369 PMAQI
20th Jul 20254010 PMAQI
20th Jul 20253711 PMAQI
21st Jul 20254112 AMAQI
21st Jul 2025531 AMAQI
21st Jul 2025562 AMAQI
21st Jul 2025563 AMAQI
21st Jul 2025524 AMAQI
28°C27/29°C
21st Jul 2025525 AMAQI
21st Jul 2025526 AMAQI
21st Jul 2025527 AMAQI
21st Jul 2025288 AMAQI
21st Jul 2025209 AMAQI
21st Jul 20252610 AMAQI
21st Jul 20253011 AMAQI
21st Jul 20252912 PMAQI
21st Jul 2025321 PMAQI
21st Jul 2025352 PMAQI
21st Jul 2025343 PMAQI
21st Jul 2025304 PMAQI
21st Jul 2025325 PMAQI
21st Jul 2025296 PMAQI
21st Jul 2025327 PMAQI
21st Jul 2025388 PMAQI
21st Jul 2025389 PMAQI
21st Jul 20253810 PMAQI
21st Jul 20253811 PMAQI
22nd Jul 20253912 AMAQI
22nd Jul 2025511 AMAQI
22nd Jul 2025532 AMAQI
22nd Jul 2025523 AMAQI
22nd Jul 2025514 AMAQI
28°C28/29°C
22nd Jul 2025515 AMAQI
22nd Jul 2025516 AMAQI
22nd Jul 2025507 AMAQI
22nd Jul 2025268 AMAQI
22nd Jul 2025189 AMAQI
22nd Jul 20252010 AMAQI
22nd Jul 20252511 AMAQI
22nd Jul 20253612 PMAQI
22nd Jul 2025391 PMAQI
22nd Jul 2025422 PMAQI
22nd Jul 2025403 PMAQI
22nd Jul 2025444 PMAQI
22nd Jul 2025395 PMAQI
22nd Jul 2025386 PMAQI
22nd Jul 2025457 PMAQI
22nd Jul 2025458 PMAQI
22nd Jul 2025369 PMAQI
22nd Jul 20253810 PMAQI
22nd Jul 20253511 PMAQI
23rd Jul 20253512 AMAQI
23rd Jul 2025481 AMAQI
23rd Jul 2025522 AMAQI
23rd Jul 2025503 AMAQI
23rd Jul 2025484 AMAQI
28°C27/29°C
23rd Jul 2025485 AMAQI
23rd Jul 2025486 AMAQI
23rd Jul 2025487 AMAQI
23rd Jul 2025298 AMAQI
23rd Jul 2025229 AMAQI
23rd Jul 20252410 AMAQI
23rd Jul 20253011 AMAQI
23rd Jul 20253612 PMAQI
23rd Jul 2025361 PMAQI
23rd Jul 2025352 PMAQI
23rd Jul 2025333 PMAQI
23rd Jul 2025324 PMAQI
23rd Jul 2025285 PMAQI
23rd Jul 2025286 PMAQI
23rd Jul 2025337 PMAQI
23rd Jul 2025398 PMAQI
23rd Jul 2025419 PMAQI
23rd Jul 20254110 PMAQI
23rd Jul 20254011 PMAQI
24th Jul 20254212 AMAQI
24th Jul 2025441 AMAQI
24th Jul 2025462 AMAQI
24th Jul 2025443 AMAQI
24th Jul 2025434 AMAQI
28°C27/29°C
24th Jul 2025445 AMAQI
24th Jul 2025446 AMAQI
24th Jul 2025427 AMAQI
24th Jul 2025418 AMAQI
24th Jul 2025489 AMAQI
24th Jul 20255510 AMAQI
24th Jul 20255811 AMAQI
24th Jul 20255612 PMAQI
24th Jul 2025591 PMAQI
24th Jul 2025622 PMAQI
24th Jul 2025663 PMAQI
24th Jul 2025644 PMAQI
24th Jul 2025635 PMAQI
24th Jul 2025646 PMAQI
24th Jul 2025597 PMAQI
24th Jul 2025518 PMAQI
24th Jul 2025529 PMAQI
24th Jul 20255210 PMAQI
24th Jul 20255311 PMAQI
25th Jul 20255212 AMAQI
25th Jul 2025481 AMAQI
25th Jul 2025462 AMAQI
25th Jul 2025463 AMAQI
25th Jul 2025484 AMAQI
29°C27/30°C
25th Jul 2025485 AMAQI
25th Jul 2025486 AMAQI
25th Jul 2025507 AMAQI
25th Jul 2025488 AMAQI
25th Jul 2025509 AMAQI
25th Jul 20254710 AMAQI
25th Jul 20255211 AMAQI
25th Jul 20256112 PMAQI
25th Jul 2025681 PMAQI
25th Jul 2025802 PMAQI
25th Jul 2025813 PMAQI
25th Jul 2025814 PMAQI
25th Jul 2025755 PMAQI
25th Jul 2025786 PMAQI
25th Jul 2025707 PMAQI
25th Jul 2025588 PMAQI
25th Jul 2025569 PMAQI
25th Jul 20255110 PMAQI
25th Jul 20255011 PMAQI
26th Jul 20254912 AMAQI
26th Jul 2025501 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025523 AMAQI
26th Jul 2025544 AMAQI
29°C28/31°C
26th Jul 2025545 AMAQI
26th Jul 2025546 AMAQI
26th Jul 2025547 AMAQI
26th Jul 2025548 AMAQI
26th Jul 2025569 AMAQI
26th Jul 20255810 AMAQI
26th Jul 20256011 AMAQI
26th Jul 20255912 PMAQI
26th Jul 2025621 PMAQI
26th Jul 2025672 PMAQI
26th Jul 2025673 PMAQI
26th Jul 2025714 PMAQI
26th Jul 2025755 PMAQI
26th Jul 2025676 PMAQI
26th Jul 2025627 PMAQI
26th Jul 2025578 PMAQI
26th Jul 2025599 PMAQI
26th Jul 20255610 PMAQI
26th Jul 20255711 PMAQI
27th Jul 20255412 AMAQI
27th Jul 2025521 AMAQI
27th Jul 2025522 AMAQI
27th Jul 2025523 AMAQI
27th Jul 2025554 AMAQI
29°C28/31°C
27th Jul 2025555 AMAQI
27th Jul 2025546 AMAQI
27th Jul 2025547 AMAQI
27th Jul 2025568 AMAQI
27th Jul 2025549 AMAQI
27th Jul 20255010 AMAQI
27th Jul 20254311 AMAQI
27th Jul 20254212 PMAQI
27th Jul 2025431 PMAQI
27th Jul 2025442 PMAQI
27th Jul 2025503 PMAQI
27th Jul 2025554 PMAQI
27th Jul 2025435 PMAQI
27th Jul 2025316 PMAQI
27th Jul 2025347 PMAQI
27th Jul 2025438 PMAQI
27th Jul 2025449 PMAQI
27th Jul 20254410 PMAQI
27th Jul 20254011 PMAQI
28th Jul 20254112 AMAQI
28th Jul 2025501 AMAQI
28th Jul 2025552 AMAQI
28th Jul 2025543 AMAQI
28th Jul 2025544 AMAQI
29°C28/30°C
28th Jul 2025545 AMAQI
28th Jul 2025546 AMAQI
28th Jul 2025547 AMAQI
28th Jul 2025328 AMAQI
28th Jul 2025249 AMAQI
28th Jul 20252910 AMAQI
28th Jul 20254211 AMAQI
28th Jul 20254912 PMAQI
28th Jul 2025541 PMAQI
28th Jul 2025592 PMAQI
28th Jul 2025673 PMAQI
28th Jul 2025714 PMAQI
28th Jul 2025705 PMAQI
28th Jul 2025646 PMAQI
28th Jul 2025627 PMAQI
28th Jul 2025608 PMAQI
28th Jul 2025619 PMAQI
28th Jul 20256110 PMAQI
28th Jul 20256111 PMAQI
29th Jul 20255712 AMAQI
29th Jul 2025541 AMAQI
29th Jul 2025542 AMAQI
29th Jul 2025543 AMAQI
29th Jul 2025534 AMAQI
29°C28/30°C
29th Jul 2025545 AMAQI
29th Jul 2025546 AMAQI
29th Jul 2025547 AMAQI
29th Jul 2025378 AMAQI
29th Jul 2025389 AMAQI
29th Jul 20253410 AMAQI
29th Jul 20252911 AMAQI
29th Jul 20253112 PMAQI
29th Jul 2025361 PMAQI
29th Jul 2025452 PMAQI
29th Jul 2025513 PMAQI
29th Jul 2025554 PMAQI
29th Jul 2025555 PMAQI
29th Jul 2025476 PMAQI
29th Jul 2025497 PMAQI
29th Jul 2025548 PMAQI
29th Jul 2025539 PMAQI
29th Jul 20255210 PMAQI
29th Jul 20255111 PMAQI
30th Jul 20254912 AMAQI
30th Jul 2025531 AMAQI
30th Jul 2025542 AMAQI
30th Jul 2025553 AMAQI
30th Jul 2025534 AMAQI
29°C28/31°C
30th Jul 2025535 AMAQI
30th Jul 2025526 AMAQI
30th Jul 2025537 AMAQI
30th Jul 2025528 AMAQI
30th Jul 2025559 AMAQI
30th Jul 20256210 AMAQI
30th Jul 20256411 AMAQI
30th Jul 20256612 PMAQI
30th Jul 2025641 PMAQI
30th Jul 2025672 PMAQI
30th Jul 2025673 PMAQI
30th Jul 2025624 PMAQI
30th Jul 2025565 PMAQI
30th Jul 2025546 PMAQI
30th Jul 2025547 PMAQI
30th Jul 2025558 PMAQI
30th Jul 2025549 PMAQI
30th Jul 20255410 PMAQI
30th Jul 20255511 PMAQI
31st Jul 20255412 AMAQI
31st Jul 2025541 AMAQI
31st Jul 2025542 AMAQI
31st Jul 2025533 AMAQI
31st Jul 2025534 AMAQI
29°C29/31°C
31st Jul 2025535 AMAQI
31st Jul 2025536 AMAQI
31st Jul 2025537 AMAQI
31st Jul 2025538 AMAQI
31st Jul 2025539 AMAQI
31st Jul 20254410 AMAQI
31st Jul 20253811 AMAQI
31st Jul 20253712 PMAQI
31st Jul 2025371 PMAQI
31st Jul 2025362 PMAQI
31st Jul 2025333 PMAQI
31st Jul 2025344 PMAQI
31st Jul 2025365 PMAQI
31st Jul 2025386 PMAQI
31st Jul 2025467 PMAQI
31st Jul 2025568 PMAQI
31st Jul 2025589 PMAQI
31st Jul 20255810 PMAQI
31st Jul 20255611 PMAQI
1st Aug 20255612 AMAQI
1st Aug 2025581 AMAQI
1st Aug 2025572 AMAQI
1st Aug 2025553 AMAQI
1st Aug 2025554 AMAQI
29°C28/29°C
1st Aug 2025555 AMAQI
1st Aug 2025566 AMAQI
1st Aug 2025557 AMAQI
1st Aug 2025528 AMAQI
1st Aug 2025579 AMAQI
1st Aug 20255210 AMAQI
1st Aug 20255311 AMAQI
1st Aug 20255412 PMAQI
1st Aug 2025541 PMAQI
1st Aug 2025502 PMAQI
1st Aug 2025563 PMAQI
1st Aug 2025544 PMAQI
1st Aug 2025525 PMAQI
1st Aug 2025526 PMAQI
1st Aug 2025557 PMAQI
1st Aug 2025568 PMAQI
1st Aug 2025579 PMAQI
1st Aug 20255510 PMAQI
1st Aug 20255811 PMAQI
2nd Aug 20255612 AMAQI
2nd Aug 2025561 AMAQI
2nd Aug 2025552 AMAQI
2nd Aug 2025563 AMAQI
2nd Aug 2025564 AMAQI
29°C28/30°C
2nd Aug 2025565 AMAQI
2nd Aug 2025576 AMAQI
2nd Aug 2025577 AMAQI
2nd Aug 2025528 AMAQI
2nd Aug 2025469 AMAQI
2nd Aug 20254910 AMAQI
2nd Aug 20255111 AMAQI
2nd Aug 20254612 PMAQI
2nd Aug 2025511 PMAQI
2nd Aug 2025522 PMAQI
2nd Aug 2025453 PMAQI
2nd Aug 2025464 PMAQI
2nd Aug 2025505 PMAQI
2nd Aug 2025496 PMAQI
2nd Aug 2025497 PMAQI
2nd Aug 2025588 PMAQI
2nd Aug 2025599 PMAQI
2nd Aug 20255610 PMAQI
2nd Aug 20255611 PMAQI
3rd Aug 20255612 AMAQI
3rd Aug 2025571 AMAQI
3rd Aug 2025582 AMAQI
3rd Aug 2025563 AMAQI
3rd Aug 2025564 AMAQI
28°C28/29°C
3rd Aug 2025565 AMAQI
5 AM3rd Aug 2025566 AMAQI
3rd Aug 2025557 AMAQI
3rd Aug 2025538 AMAQI
3rd Aug 2025509 AMAQI
3rd Aug 20255510 AMAQI
3rd Aug 20255411 AMAQI
3rd Aug 20255412 PMAQI
12 PM3rd Aug 2025421 PMAQI
3rd Aug 2025472 PMAQI
3rd Aug 2025553 PMAQI
3rd Aug 2025544 PMAQI
3rd Aug 2025505 PMAQI
3rd Aug 2025486 PMAQI
3rd Aug 2025507 PMAQI
7 PM3rd Aug 2025588 PMAQI
3rd Aug 2025569 PMAQI
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 5 PM
48AQI
13 hours / Day
390 hours / Month
Avg. Lowest Time
8 AM - 7 PM
48AQI
12 hours / Day
360 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 5 PM (Avg. 48), while the lowest AQI was between 8 AM to 7 PM (Avg. 48).
Night time
Avg. Highest Time
12 AM - 11 PM
49AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
49AQI
9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 49), while the lowest AQI was between 12 AM to 11 PM (Avg. 49).
2025 Days Vs Air Quality
Sai Ying Pun, Hong Kong Island, Hong Kong, China
2025
33%
70
63%
134
5%
10
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
70 DaysModerate
134 DaysPoor
10 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 33%
Health Risk Level:
High
In 2025, 33% of 215 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
Sai Ying Pun, Hong Kong Island, 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
108AQI
108AQI
2nd January 2025
131AQI
131AQI
3rd January 2025
98AQI
98AQI
4th January 2025
102AQI
102AQI
5th January 2025
95AQI
95AQI
6th January 2025
100AQI
100AQI
7th January 2025
89AQI
89AQI
8th January 2025
98AQI
98AQI
9th January 2025
103AQI
103AQI
10th January 2025
80AQI
80AQI
11th January 2025
88AQI
88AQI
12th January 2025
65AQI
65AQI
13th January 2025
70AQI
70AQI
14th January 2025
64AQI
64AQI
15th January 2025
76AQI
76AQI
16th January 2025
107AQI
107AQI
17th January 2025
85AQI
85AQI
18th January 2025
97AQI
97AQI
19th January 2025
90AQI
90AQI
20th January 2025
89AQI
89AQI
21st January 2025
83AQI
83AQI
22nd January 2025
80AQI
80AQI
23rd January 2025
75AQI
75AQI
24th January 2025
67AQI
67AQI
25th January 2025
60AQI
60AQI
26th January 2025
50AQI
50AQI
27th January 2025
53AQI
53AQI
28th January 2025
55AQI
55AQI
29th January 2025
81AQI
81AQI
30th January 2025
61AQI
61AQI
31st January 2025
61AQI
61AQI
1st February 2025
47AQI
47AQI
2nd February 2025
54AQI
54AQI
3rd February 2025
35AQI
35AQI
4th February 2025
44AQI
44AQI
5th February 2025
71AQI
71AQI
6th February 2025
60AQI
60AQI
7th February 2025
59AQI
59AQI
8th February 2025
61AQI
61AQI
9th February 2025
56AQI
56AQI
10th February 2025
58AQI
58AQI
11th February 2025
57AQI
57AQI
12th February 2025
53AQI
53AQI
13th February 2025
80AQI
80AQI
14th February 2025
73AQI
73AQI
15th February 2025
80AQI
80AQI
16th February 2025
109AQI
109AQI
17th February 2025
84AQI
84AQI
18th February 2025
119AQI
119AQI
19th February 2025
73AQI
73AQI
20th February 2025
82AQI
82AQI
21st February 2025
78AQI
78AQI
22nd February 2025
69AQI
69AQI
23rd February 2025
51AQI
51AQI
24th February 2025
57AQI
57AQI
25th February 2025
79AQI
79AQI
26th February 2025
88AQI
88AQI
27th February 2025
76AQI
76AQI
28th February 2025
72AQI
72AQI
1st March 2025
71AQI
71AQI
2nd March 2025
62AQI
62AQI
3rd March 2025
59AQI
59AQI
4th March 2025
55AQI
55AQI
5th March 2025
48AQI
48AQI
6th March 2025
42AQI
42AQI
7th March 2025
52AQI
52AQI
8th March 2025
61AQI
61AQI
9th March 2025
62AQI
62AQI
10th March 2025
66AQI
66AQI
11th March 2025
67AQI
67AQI
12th March 2025
61AQI
61AQI
13th March 2025
68AQI
68AQI
14th March 2025
64AQI
64AQI
15th March 2025
56AQI
56AQI
16th March 2025
41AQI
41AQI
17th March 2025
70AQI
70AQI
18th March 2025
64AQI
64AQI
19th March 2025
71AQI
71AQI
20th March 2025
73AQI
73AQI
21st March 2025
76AQI
76AQI
22nd March 2025
73AQI
73AQI
23rd March 2025
75AQI
75AQI
24th March 2025
78AQI
78AQI
25th March 2025
75AQI
75AQI
26th March 2025
61AQI
61AQI
27th March 2025
59AQI
59AQI
28th March 2025
62AQI
62AQI
29th March 2025
45AQI
45AQI
30th March 2025
39AQI
39AQI
31st March 2025
40AQI
40AQI
1st April 2025
51AQI
51AQI
2nd April 2025
52AQI
52AQI
3rd April 2025
59AQI
59AQI
4th April 2025
61AQI
61AQI
5th April 2025
60AQI
60AQI
6th April 2025
71AQI
71AQI
7th April 2025
72AQI
72AQI
8th April 2025
79AQI
79AQI
9th April 2025
67AQI
67AQI
10th April 2025
67AQI
67AQI
11th April 2025
62AQI
62AQI
12th April 2025
56AQI
56AQI
13th April 2025
124AQI
124AQI
14th April 2025
130AQI
130AQI
15th April 2025
130AQI
130AQI
16th April 2025
100AQI
100AQI
17th April 2025
85AQI
85AQI
18th April 2025
70AQI
70AQI
19th April 2025
60AQI
60AQI
20th April 2025
55AQI
55AQI
21st April 2025
54AQI
54AQI
22nd April 2025
57AQI
57AQI
23rd April 2025
52AQI
52AQI
24th April 2025
46AQI
46AQI
25th April 2025
55AQI
55AQI
26th April 2025
51AQI
51AQI
27th April 2025
60AQI
60AQI
28th April 2025
66AQI
66AQI
29th April 2025
63AQI
63AQI
30th April 2025
71AQI
71AQI
1st May 2025
64AQI
64AQI
2nd May 2025
76AQI
76AQI
3rd May 2025
76AQI
76AQI
4th May 2025
65AQI
65AQI
5th May 2025
59AQI
59AQI
6th May 2025
55AQI
55AQI
7th May 2025
53AQI
53AQI
8th May 2025
62AQI
62AQI
9th May 2025
46AQI
46AQI
10th May 2025
61AQI
61AQI
11th May 2025
54AQI
54AQI
12th May 2025
58AQI
58AQI
13th May 2025
62AQI
62AQI
14th May 2025
54AQI
54AQI
15th May 2025
46AQI
46AQI
16th May 2025
39AQI
39AQI
17th May 2025
38AQI
38AQI
18th May 2025
39AQI
39AQI
19th May 2025
45AQI
45AQI
20th May 2025
38AQI
38AQI
21st May 2025
47AQI
47AQI
22nd May 2025
41AQI
41AQI
23rd May 2025
43AQI
43AQI
24th May 2025
51AQI
51AQI
25th May 2025
66AQI
66AQI
26th May 2025
63AQI
63AQI
27th May 2025
69AQI
69AQI
28th May 2025
59AQI
59AQI
29th May 2025
58AQI
58AQI
30th May 2025
46AQI
46AQI
31st May 2025
60AQI
60AQI
1st June 2025
59AQI
59AQI
2nd June 2025
51AQI
51AQI
3rd June 2025
58AQI
58AQI
4th June 2025
41AQI
41AQI
5th June 2025
53AQI
53AQI
6th June 2025
53AQI
53AQI
7th June 2025
46AQI
46AQI
8th June 2025
40AQI
40AQI
9th June 2025
43AQI
43AQI
10th June 2025
36AQI
36AQI
11th June 2025
32AQI
32AQI
12th June 2025
32AQI
32AQI
13th June 2025
31AQI
31AQI
14th June 2025
38AQI
38AQI
15th June 2025
38AQI
38AQI
16th June 2025
40AQI
40AQI
17th June 2025
39AQI
39AQI
18th June 2025
40AQI
40AQI
19th June 2025
38AQI
38AQI
20th June 2025
35AQI
35AQI
21st June 2025
32AQI
32AQI
22nd June 2025
28AQI
28AQI
23rd June 2025
27AQI
27AQI
24th June 2025
28AQI
28AQI
25th June 2025
30AQI
30AQI
26th June 2025
28AQI
28AQI
27th June 2025
28AQI
28AQI
28th June 2025
28AQI
28AQI
29th June 2025
27AQI
27AQI
30th June 2025
28AQI
28AQI
1st July 2025
27AQI
27AQI
2nd July 2025
29AQI
29AQI
3rd July 2025
34AQI
34AQI
4th July 2025
42AQI
42AQI
5th July 2025
42AQI
42AQI
6th July 2025
43AQI
43AQI
7th July 2025
48AQI
48AQI
8th July 2025
39AQI
39AQI
9th July 2025
42AQI
42AQI
10th July 2025
45AQI
45AQI
11th July 2025
47AQI
47AQI
12th July 2025
48AQI
48AQI
13th July 2025
51AQI
51AQI
14th July 2025
50AQI
50AQI
15th July 2025
49AQI
49AQI
16th July 2025
49AQI
49AQI
17th July 2025
52AQI
52AQI
18th July 2025
54AQI
54AQI
19th July 2025
60AQI
60AQI
20th July 2025
38AQI
38AQI
21st July 2025
40AQI
40AQI
22nd July 2025
41AQI
41AQI
23rd July 2025
38AQI
38AQI
24th July 2025
50AQI
50AQI
25th July 2025
57AQI
57AQI
26th July 2025
56AQI
56AQI
27th July 2025
47AQI
47AQI
28th July 2025
55AQI
55AQI
29th July 2025
49AQI
49AQI
30th July 2025
55AQI
55AQI
31st July 2025
48AQI
48AQI
1st August 2025
55AQI
55AQI
2nd August 2025
54AQI
54AQI
83AQI
69AQI
61AQI
70AQI
55AQI
38AQI
46AQI
55AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202560AQI
1
25
5
3
23
2
6
25
1
26
3
11
20
25
5
23
8
2
70
134
10
Highest AQI recorded in
January83AQI
Lowest AQI recorded in
June38AQI
202454AQI
4
20
7
8
21
9
21
1
18
12
16
15
29
29
2
24
7
24
6
6
25
8
22
24
7
175
175
15
Highest AQI recorded in
December89AQI
Lowest AQI recorded in
July31AQI
202351AQI
5
26
5
22
1
7
22
2
5
25
11
18
2
27
3
27
4
31
27
3
17
14
7
22
5
23
3
174
182
8
Highest AQI recorded in
December71AQI
Lowest AQI recorded in
July26AQI
202254AQI
4
22
4
10
10
1
11
17
3
14
16
20
11
30
22
1
1
4
18
6
12
19
16
14
10
19
2
153
147
17
Highest AQI recorded in
August118AQI
Lowest AQI recorded in
June26AQI
202154AQI
23
7
1
2
26
5
24
2
7
23
25
6
28
1
1
26
5
29
2
20
10
15
16
3
27
4
21
5
1
164
184
15
2
Highest AQI recorded in
January86AQI
Lowest AQI recorded in
July32AQI
202050AQI
1
12
7
14
14
4
30
31
25
6
17
11
2
1
30
5
25
27
4
131
129
6
Highest AQI recorded in
December83AQI
Lowest AQI recorded in
July21AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
60AQILeast Polluted Year Recorded
2020(Avg.)
50AQISai Ying Pun's annual 2025 AQI (60) shows an average percentage change of 13.8% (worsened AQI) compared to previous years: 2020 (50), 2021 (54), 2022 (54), 2023 (51), 2024 (54).
