Sai Wan Ho, 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 Wan Ho, 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
92AQILowest AQI recorded on
24th Aug 2021
14AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 53 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Sai Wan Ho, Hong Kong Island, Hong Kong, China
AQI
Day
Night
.
5 AM3rd Aug 2025
7 PM
4 AM4th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
9PM3rd Aug
58AQI
Avg. Lowest Time
9AM3rd Aug
42AQI
In the last 24 hours,
Sai Wan Ho's AQI reached its highest point of 58 at 9 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Sai Wan Ho, Hong Kong Island, Hong Kong, China
JulAug
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 - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th
Day
Night
5th Jul 2025385 AMAQI
5th Jul 2025386 AMAQI
5th Jul 2025377 AMAQI
5th Jul 2025358 AMAQI
5th Jul 2025379 AMAQI
5th Jul 20253810 AMAQI
5th Jul 20254411 AMAQI
5th Jul 20255512 PMAQI
5th Jul 2025621 PMAQI
5th Jul 2025642 PMAQI
5th Jul 2025633 PMAQI
5th Jul 2025604 PMAQI
5th Jul 2025605 PMAQI
5th Jul 2025506 PMAQI
5th Jul 2025377 PMAQI
5th Jul 2025348 PMAQI
5th Jul 2025359 PMAQI
5th Jul 20253210 PMAQI
5th Jul 20253411 PMAQI
6th Jul 20253012 AMAQI
6th Jul 2025361 AMAQI
6th Jul 2025362 AMAQI
6th Jul 2025393 AMAQI
6th Jul 2025414 AMAQI
29°C28/31°C
6th Jul 2025425 AMAQI
6th Jul 2025416 AMAQI
6th Jul 2025427 AMAQI
6th Jul 2025338 AMAQI
6th Jul 2025309 AMAQI
6th Jul 20253210 AMAQI
6th Jul 20254111 AMAQI
6th Jul 20254812 PMAQI
6th Jul 2025521 PMAQI
6th Jul 2025532 PMAQI
6th Jul 2025583 PMAQI
6th Jul 2025624 PMAQI
6th Jul 2025655 PMAQI
6th Jul 2025656 PMAQI
6th Jul 2025587 PMAQI
6th Jul 2025468 PMAQI
6th Jul 2025459 PMAQI
6th Jul 20253810 PMAQI
6th Jul 20253411 PMAQI
7th Jul 20253312 AMAQI
7th Jul 2025381 AMAQI
7th Jul 2025392 AMAQI
7th Jul 2025403 AMAQI
7th Jul 2025424 AMAQI
29°C28/31°C
7th Jul 2025405 AMAQI
7th Jul 2025406 AMAQI
7th Jul 2025407 AMAQI
7th Jul 2025578 AMAQI
7th Jul 2025669 AMAQI
7th Jul 20256910 AMAQI
7th Jul 20257411 AMAQI
7th Jul 20257312 PMAQI
7th Jul 2025741 PMAQI
7th Jul 2025722 PMAQI
7th Jul 2025763 PMAQI
7th Jul 2025764 PMAQI
7th Jul 2025715 PMAQI
7th Jul 2025606 PMAQI
7th Jul 2025567 PMAQI
7th Jul 2025448 PMAQI
7th Jul 2025409 PMAQI
7th Jul 20253710 PMAQI
7th Jul 20253611 PMAQI
8th Jul 20253412 AMAQI
8th Jul 2025401 AMAQI
8th Jul 2025392 AMAQI
8th Jul 2025433 AMAQI
8th Jul 2025504 AMAQI
30°C29/31°C
8th Jul 2025505 AMAQI
8th Jul 2025506 AMAQI
8th Jul 2025517 AMAQI
8th Jul 2025348 AMAQI
8th Jul 2025339 AMAQI
8th Jul 20253610 AMAQI
8th Jul 20253811 AMAQI
8th Jul 20253912 PMAQI
8th Jul 2025391 PMAQI
8th Jul 2025322 PMAQI
8th Jul 2025343 PMAQI
8th Jul 2025324 PMAQI
8th Jul 2025345 PMAQI
8th Jul 2025356 PMAQI
8th Jul 2025387 PMAQI
8th Jul 2025388 PMAQI
8th Jul 2025429 PMAQI
8th Jul 20254010 PMAQI
8th Jul 20254011 PMAQI
9th Jul 20253912 AMAQI
9th Jul 2025441 AMAQI
9th Jul 2025442 AMAQI
9th Jul 2025453 AMAQI
9th Jul 2025434 AMAQI
29°C29/30°C
9th Jul 2025435 AMAQI
9th Jul 2025426 AMAQI
9th Jul 2025437 AMAQI
9th Jul 2025368 AMAQI
9th Jul 2025419 AMAQI
9th Jul 20254510 AMAQI
9th Jul 20254611 AMAQI
9th Jul 20254312 PMAQI
9th Jul 2025401 PMAQI
9th Jul 2025442 PMAQI
9th Jul 2025463 PMAQI
9th Jul 2025504 PMAQI
9th Jul 2025475 PMAQI
9th Jul 2025496 PMAQI
9th Jul 2025437 PMAQI
9th Jul 2025438 PMAQI
9th Jul 2025459 PMAQI
9th Jul 20254610 PMAQI
9th Jul 20254411 PMAQI
10th Jul 20254112 AMAQI
10th Jul 2025441 AMAQI
10th Jul 2025452 AMAQI
10th Jul 2025443 AMAQI
10th Jul 2025454 AMAQI
30°C28/31°C
10th Jul 2025465 AMAQI
10th Jul 2025446 AMAQI
10th Jul 2025447 AMAQI
10th Jul 2025348 AMAQI
10th Jul 2025349 AMAQI
10th Jul 20254210 AMAQI
10th Jul 20254311 AMAQI
10th Jul 20254412 PMAQI
10th Jul 2025501 PMAQI
10th Jul 2025462 PMAQI
10th Jul 2025583 PMAQI
10th Jul 2025564 PMAQI
10th Jul 2025635 PMAQI
10th Jul 2025546 PMAQI
10th Jul 2025387 PMAQI
10th Jul 2025408 PMAQI
10th Jul 2025449 PMAQI
10th Jul 20254410 PMAQI
10th Jul 20254211 PMAQI
11th Jul 20254012 AMAQI
11th Jul 2025461 AMAQI
11th Jul 2025452 AMAQI
11th Jul 2025443 AMAQI
11th Jul 2025444 AMAQI
28°C27/29°C
11th Jul 2025465 AMAQI
11th Jul 2025476 AMAQI
11th Jul 2025487 AMAQI
11th Jul 2025398 AMAQI
11th Jul 2025299 AMAQI
11th Jul 20253110 AMAQI
11th Jul 20254211 AMAQI
11th Jul 20255212 PMAQI
11th Jul 2025551 PMAQI
11th Jul 2025572 PMAQI
11th Jul 2025563 PMAQI
11th Jul 2025574 PMAQI
11th Jul 2025555 PMAQI
11th Jul 2025526 PMAQI
11th Jul 2025507 PMAQI
11th Jul 2025518 PMAQI
11th Jul 2025529 PMAQI
11th Jul 20255210 PMAQI
11th Jul 20255311 PMAQI
12th Jul 20255212 AMAQI
12th Jul 2025491 AMAQI
12th Jul 2025472 AMAQI
12th Jul 2025463 AMAQI
12th Jul 2025484 AMAQI
27°C27/28°C
12th Jul 2025485 AMAQI
12th Jul 2025486 AMAQI
12th Jul 2025487 AMAQI
12th Jul 2025288 AMAQI
12th Jul 2025299 AMAQI
12th Jul 20254110 AMAQI
12th Jul 20254911 AMAQI
12th Jul 20255212 PMAQI
12th Jul 2025521 PMAQI
12th Jul 2025512 PMAQI
12th Jul 2025403 PMAQI
12th Jul 2025374 PMAQI
12th Jul 2025385 PMAQI
12th Jul 2025406 PMAQI
12th Jul 2025447 PMAQI
12th Jul 2025528 PMAQI
12th Jul 2025539 PMAQI
12th Jul 20255310 PMAQI
12th Jul 20255311 PMAQI
13th Jul 20255212 AMAQI
13th Jul 2025521 AMAQI
13th Jul 2025512 AMAQI
13th Jul 2025513 AMAQI
13th Jul 2025504 AMAQI
29°C28/30°C
13th Jul 2025515 AMAQI
13th Jul 2025496 AMAQI
13th Jul 2025517 AMAQI
13th Jul 2025488 AMAQI
13th Jul 2025509 AMAQI
13th Jul 20255110 AMAQI
13th Jul 20255411 AMAQI
13th Jul 20255112 PMAQI
13th Jul 2025481 PMAQI
13th Jul 2025502 PMAQI
13th Jul 2025543 PMAQI
13th Jul 2025524 PMAQI
13th Jul 2025525 PMAQI
13th Jul 2025526 PMAQI
13th Jul 2025527 PMAQI
13th Jul 2025528 PMAQI
13th Jul 2025529 PMAQI
13th Jul 20255110 PMAQI
13th Jul 20255111 PMAQI
14th Jul 20255212 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 2025527 AMAQI
14th Jul 2025458 AMAQI
14th Jul 2025409 AMAQI
14th Jul 20253610 AMAQI
14th Jul 20255011 AMAQI
14th Jul 20254812 PMAQI
14th Jul 2025481 PMAQI
14th Jul 2025512 PMAQI
14th Jul 2025463 PMAQI
14th Jul 2025474 PMAQI
14th Jul 2025485 PMAQI
14th Jul 2025456 PMAQI
14th Jul 2025407 PMAQI
14th Jul 2025488 PMAQI
14th Jul 2025509 PMAQI
14th Jul 20255110 PMAQI
14th Jul 20255011 PMAQI
15th Jul 20254912 AMAQI
15th Jul 2025521 AMAQI
15th Jul 2025532 AMAQI
15th Jul 2025533 AMAQI
15th Jul 2025534 AMAQI
29°C28/30°C
15th Jul 2025535 AMAQI
15th Jul 2025526 AMAQI
15th Jul 2025527 AMAQI
15th Jul 2025408 AMAQI
15th Jul 2025409 AMAQI
15th Jul 20254710 AMAQI
15th Jul 20255011 AMAQI
15th Jul 20254712 PMAQI
15th Jul 2025441 PMAQI
15th Jul 2025472 PMAQI
15th Jul 2025483 PMAQI
15th Jul 2025514 PMAQI
15th Jul 2025525 PMAQI
15th Jul 2025446 PMAQI
15th Jul 2025427 PMAQI
15th Jul 2025508 PMAQI
15th Jul 2025529 PMAQI
15th Jul 20255210 PMAQI
15th Jul 20255011 PMAQI
16th Jul 20255212 AMAQI
16th Jul 2025521 AMAQI
16th Jul 2025532 AMAQI
16th Jul 2025523 AMAQI
16th Jul 2025524 AMAQI
29°C29/30°C
16th Jul 2025525 AMAQI
16th Jul 2025526 AMAQI
16th Jul 2025527 AMAQI
16th Jul 2025408 AMAQI
16th Jul 2025369 AMAQI
16th Jul 20254110 AMAQI
16th Jul 20254511 AMAQI
16th Jul 20254812 PMAQI
16th Jul 2025451 PMAQI
16th Jul 2025422 PMAQI
16th Jul 2025393 PMAQI
16th Jul 2025394 PMAQI
16th Jul 2025445 PMAQI
16th Jul 2025486 PMAQI
16th Jul 2025467 PMAQI
16th Jul 2025498 PMAQI
16th Jul 2025469 PMAQI
16th Jul 20255210 PMAQI
16th Jul 20254911 PMAQI
17th Jul 20254912 AMAQI
17th Jul 2025521 AMAQI
17th Jul 2025532 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 2025468 AMAQI
17th Jul 2025509 AMAQI
17th Jul 20254710 AMAQI
17th Jul 20255211 AMAQI
17th Jul 20255112 PMAQI
17th Jul 2025531 PMAQI
17th Jul 2025542 PMAQI
17th Jul 2025543 PMAQI
17th Jul 2025554 PMAQI
17th Jul 2025565 PMAQI
17th Jul 2025556 PMAQI
17th Jul 2025567 PMAQI
17th Jul 2025558 PMAQI
17th Jul 2025559 PMAQI
17th Jul 20255910 PMAQI
17th Jul 20255811 PMAQI
18th Jul 20255712 AMAQI
18th Jul 2025521 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 20256010 AMAQI
18th Jul 20256111 AMAQI
18th Jul 20256312 PMAQI
18th Jul 2025641 PMAQI
18th Jul 2025562 PMAQI
18th Jul 2025463 PMAQI
18th Jul 2025434 PMAQI
18th Jul 2025415 PMAQI
18th Jul 2025486 PMAQI
18th Jul 2025547 PMAQI
18th Jul 2025548 PMAQI
18th Jul 2025549 PMAQI
18th Jul 20255410 PMAQI
18th Jul 20255411 PMAQI
19th Jul 20255812 AMAQI
19th Jul 2025541 AMAQI
19th Jul 2025542 AMAQI
19th Jul 2025543 AMAQI
19th Jul 2025554 AMAQI
30°C29/32°C
19th Jul 2025545 AMAQI
19th Jul 2025546 AMAQI
19th Jul 2025547 AMAQI
19th Jul 2025708 AMAQI
19th Jul 2025749 AMAQI
19th Jul 20257210 AMAQI
19th Jul 20257111 AMAQI
19th Jul 20257212 PMAQI
19th Jul 2025651 PMAQI
19th Jul 2025632 PMAQI
19th Jul 2025673 PMAQI
19th Jul 2025634 PMAQI
19th Jul 2025615 PMAQI
19th Jul 2025596 PMAQI
19th Jul 2025567 PMAQI
19th Jul 2025548 PMAQI
19th Jul 2025549 PMAQI
19th Jul 20255210 PMAQI
19th Jul 20254911 PMAQI
20th Jul 20255112 AMAQI
20th Jul 2025561 AMAQI
20th Jul 2025552 AMAQI
20th Jul 2025563 AMAQI
20th Jul 2025584 AMAQI
29°C27/32°C
20th Jul 2025585 AMAQI
20th Jul 2025586 AMAQI
20th Jul 2025597 AMAQI
20th Jul 2025398 AMAQI
20th Jul 2025169 AMAQI
20th Jul 20251810 AMAQI
20th Jul 20252211 AMAQI
20th Jul 20252112 PMAQI
20th Jul 2025341 PMAQI
20th Jul 2025352 PMAQI
20th Jul 2025183 PMAQI
20th Jul 2025204 PMAQI
20th Jul 2025175 PMAQI
20th Jul 2025166 PMAQI
20th Jul 2025277 PMAQI
20th Jul 2025448 PMAQI
20th Jul 2025429 PMAQI
20th Jul 20254210 PMAQI
20th Jul 20254411 PMAQI
21st Jul 20254412 AMAQI
21st Jul 2025561 AMAQI
21st Jul 2025562 AMAQI
21st Jul 2025543 AMAQI
21st Jul 2025524 AMAQI
28°C27/28°C
21st Jul 2025525 AMAQI
21st Jul 2025536 AMAQI
21st Jul 2025527 AMAQI
21st Jul 2025338 AMAQI
21st Jul 2025249 AMAQI
21st Jul 20253810 AMAQI
21st Jul 20254211 AMAQI
21st Jul 20254012 PMAQI
21st Jul 2025381 PMAQI
21st Jul 2025442 PMAQI
21st Jul 2025383 PMAQI
21st Jul 2025364 PMAQI
21st Jul 2025305 PMAQI
21st Jul 2025246 PMAQI
21st Jul 2025427 PMAQI
21st Jul 2025418 PMAQI
21st Jul 2025459 PMAQI
21st Jul 20254810 PMAQI
21st Jul 20254711 PMAQI
22nd Jul 20254412 AMAQI
22nd Jul 2025531 AMAQI
22nd Jul 2025532 AMAQI
22nd Jul 2025523 AMAQI
22nd Jul 2025514 AMAQI
28°C28/28°C
22nd Jul 2025525 AMAQI
22nd Jul 2025526 AMAQI
22nd Jul 2025517 AMAQI
22nd Jul 2025288 AMAQI
22nd Jul 2025269 AMAQI
22nd Jul 20252810 AMAQI
22nd Jul 20253611 AMAQI
22nd Jul 20254612 PMAQI
22nd Jul 2025481 PMAQI
22nd Jul 2025482 PMAQI
22nd Jul 2025493 PMAQI
22nd Jul 2025454 PMAQI
22nd Jul 2025405 PMAQI
22nd Jul 2025406 PMAQI
22nd Jul 2025507 PMAQI
22nd Jul 2025468 PMAQI
22nd Jul 2025419 PMAQI
22nd Jul 20253910 PMAQI
22nd Jul 20253811 PMAQI
23rd Jul 20253812 AMAQI
23rd Jul 2025521 AMAQI
23rd Jul 2025522 AMAQI
23rd Jul 2025513 AMAQI
23rd Jul 2025504 AMAQI
28°C27/29°C
23rd Jul 2025505 AMAQI
23rd Jul 2025496 AMAQI
23rd Jul 2025507 AMAQI
23rd Jul 2025278 AMAQI
23rd Jul 2025259 AMAQI
23rd Jul 20252910 AMAQI
23rd Jul 20253211 AMAQI
23rd Jul 20253312 PMAQI
23rd Jul 2025351 PMAQI
23rd Jul 2025302 PMAQI
23rd Jul 2025243 PMAQI
23rd Jul 2025284 PMAQI
23rd Jul 2025305 PMAQI
23rd Jul 2025306 PMAQI
23rd Jul 2025367 PMAQI
23rd Jul 2025448 PMAQI
23rd Jul 2025469 PMAQI
23rd Jul 20254610 PMAQI
23rd Jul 20254611 PMAQI
24th Jul 20254412 AMAQI
24th Jul 2025501 AMAQI
24th Jul 2025492 AMAQI
24th Jul 2025483 AMAQI
24th Jul 2025464 AMAQI
28°C27/29°C
24th Jul 2025465 AMAQI
24th Jul 2025456 AMAQI
24th Jul 2025457 AMAQI
24th Jul 2025328 AMAQI
24th Jul 2025469 AMAQI
24th Jul 20255610 AMAQI
24th Jul 20256011 AMAQI
24th Jul 20256012 PMAQI
24th Jul 2025661 PMAQI
24th Jul 2025662 PMAQI
24th Jul 2025683 PMAQI
24th Jul 2025554 PMAQI
24th Jul 2025395 PMAQI
24th Jul 2025426 PMAQI
24th Jul 2025467 PMAQI
24th Jul 2025468 PMAQI
24th Jul 2025529 PMAQI
24th Jul 20255410 PMAQI
24th Jul 20255411 PMAQI
25th Jul 20255412 AMAQI
25th Jul 2025491 AMAQI
25th Jul 2025472 AMAQI
25th Jul 2025503 AMAQI
25th Jul 2025524 AMAQI
29°C27/30°C
25th Jul 2025525 AMAQI
25th Jul 2025526 AMAQI
25th Jul 2025527 AMAQI
25th Jul 2025508 AMAQI
25th Jul 2025569 AMAQI
25th Jul 20255810 AMAQI
25th Jul 20255611 AMAQI
25th Jul 20256312 PMAQI
25th Jul 2025721 PMAQI
25th Jul 2025842 PMAQI
25th Jul 2025843 PMAQI
25th Jul 2025844 PMAQI
25th Jul 2025815 PMAQI
25th Jul 2025866 PMAQI
25th Jul 2025767 PMAQI
25th Jul 2025628 PMAQI
25th Jul 2025569 PMAQI
25th Jul 20255010 PMAQI
25th Jul 20254511 PMAQI
26th Jul 20254612 AMAQI
26th Jul 2025521 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025533 AMAQI
26th Jul 2025564 AMAQI
29°C28/31°C
26th Jul 2025555 AMAQI
26th Jul 2025556 AMAQI
26th Jul 2025557 AMAQI
26th Jul 2025558 AMAQI
26th Jul 2025609 AMAQI
26th Jul 20256410 AMAQI
26th Jul 20256811 AMAQI
26th Jul 20257212 PMAQI
26th Jul 2025721 PMAQI
26th Jul 2025802 PMAQI
26th Jul 2025783 PMAQI
26th Jul 2025854 PMAQI
26th Jul 2025825 PMAQI
26th Jul 2025766 PMAQI
26th Jul 2025707 PMAQI
26th Jul 2025608 PMAQI
26th Jul 2025609 PMAQI
26th Jul 20255810 PMAQI
26th Jul 20255711 PMAQI
27th Jul 20255712 AMAQI
27th Jul 2025541 AMAQI
27th Jul 2025532 AMAQI
27th Jul 2025553 AMAQI
27th Jul 2025564 AMAQI
29°C28/31°C
27th Jul 2025565 AMAQI
27th Jul 2025566 AMAQI
27th Jul 2025567 AMAQI
27th Jul 2025608 AMAQI
27th Jul 2025609 AMAQI
27th Jul 20256110 AMAQI
27th Jul 20255411 AMAQI
27th Jul 20255312 PMAQI
27th Jul 2025551 PMAQI
27th Jul 2025562 PMAQI
27th Jul 2025573 PMAQI
27th Jul 2025584 PMAQI
27th Jul 2025585 PMAQI
27th Jul 2025466 PMAQI
27th Jul 2025507 PMAQI
27th Jul 2025538 PMAQI
27th Jul 2025529 PMAQI
27th Jul 20255210 PMAQI
27th Jul 20254811 PMAQI
28th Jul 20255012 AMAQI
28th Jul 2025541 AMAQI
28th Jul 2025552 AMAQI
28th Jul 2025563 AMAQI
28th Jul 2025564 AMAQI
29°C28/30°C
28th Jul 2025565 AMAQI
28th Jul 2025566 AMAQI
28th Jul 2025567 AMAQI
28th Jul 2025358 AMAQI
28th Jul 2025309 AMAQI
28th Jul 20254710 AMAQI
28th Jul 20255511 AMAQI
28th Jul 20255612 PMAQI
28th Jul 2025581 PMAQI
28th Jul 2025682 PMAQI
28th Jul 2025773 PMAQI
28th Jul 2025794 PMAQI
28th Jul 2025795 PMAQI
28th Jul 2025726 PMAQI
28th Jul 2025667 PMAQI
28th Jul 2025628 PMAQI
28th Jul 2025629 PMAQI
28th Jul 20256110 PMAQI
28th Jul 20256411 PMAQI
29th Jul 20256012 AMAQI
29th Jul 2025561 AMAQI
29th Jul 2025562 AMAQI
29th Jul 2025553 AMAQI
29th Jul 2025554 AMAQI
29°C28/30°C
29th Jul 2025555 AMAQI
29th Jul 2025556 AMAQI
29th Jul 2025557 AMAQI
29th Jul 2025488 AMAQI
29th Jul 2025439 AMAQI
29th Jul 20254610 AMAQI
29th Jul 20253311 AMAQI
29th Jul 20253412 PMAQI
29th Jul 2025381 PMAQI
29th Jul 2025442 PMAQI
29th Jul 2025583 PMAQI
29th Jul 2025584 PMAQI
29th Jul 2025545 PMAQI
29th Jul 2025536 PMAQI
29th Jul 2025567 PMAQI
29th Jul 2025588 PMAQI
29th Jul 2025549 PMAQI
29th Jul 20255510 PMAQI
29th Jul 20255511 PMAQI
30th Jul 20255512 AMAQI
30th Jul 2025561 AMAQI
30th Jul 2025552 AMAQI
30th Jul 2025553 AMAQI
30th Jul 2025544 AMAQI
29°C28/30°C
30th Jul 2025545 AMAQI
30th Jul 2025546 AMAQI
30th Jul 2025547 AMAQI
30th Jul 2025568 AMAQI
30th Jul 2025599 AMAQI
30th Jul 20256910 AMAQI
30th Jul 20257011 AMAQI
30th Jul 20257212 PMAQI
30th Jul 2025731 PMAQI
30th Jul 2025762 PMAQI
30th Jul 2025743 PMAQI
30th Jul 2025714 PMAQI
30th Jul 2025665 PMAQI
30th Jul 2025616 PMAQI
30th Jul 2025597 PMAQI
30th Jul 2025578 PMAQI
30th Jul 2025589 PMAQI
30th Jul 20255910 PMAQI
30th Jul 20255611 PMAQI
31st Jul 20255612 AMAQI
31st Jul 2025551 AMAQI
31st Jul 2025552 AMAQI
31st Jul 2025553 AMAQI
31st Jul 2025554 AMAQI
29°C29/31°C
31st Jul 2025555 AMAQI
31st Jul 2025556 AMAQI
31st Jul 2025557 AMAQI
31st Jul 2025558 AMAQI
31st Jul 2025559 AMAQI
31st Jul 20254410 AMAQI
31st Jul 20254011 AMAQI
31st Jul 20254012 PMAQI
31st Jul 2025441 PMAQI
31st Jul 2025422 PMAQI
31st Jul 2025403 PMAQI
31st Jul 2025464 PMAQI
31st Jul 2025495 PMAQI
31st Jul 2025496 PMAQI
31st Jul 2025517 PMAQI
31st Jul 2025558 PMAQI
31st Jul 2025579 PMAQI
31st Jul 20255910 PMAQI
31st Jul 20255411 PMAQI
1st Aug 20255512 AMAQI
1st Aug 2025571 AMAQI
1st Aug 2025562 AMAQI
1st Aug 2025553 AMAQI
1st Aug 2025544 AMAQI
29°C28/29°C
1st Aug 2025545 AMAQI
1st Aug 2025556 AMAQI
1st Aug 2025567 AMAQI
1st Aug 2025548 AMAQI
1st Aug 2025569 AMAQI
1st Aug 20255010 AMAQI
1st Aug 20255511 AMAQI
1st Aug 20255112 PMAQI
1st Aug 2025541 PMAQI
1st Aug 2025522 PMAQI
1st Aug 2025553 PMAQI
1st Aug 2025534 PMAQI
1st Aug 2025525 PMAQI
1st Aug 2025556 PMAQI
1st Aug 2025547 PMAQI
1st Aug 2025548 PMAQI
1st Aug 2025559 PMAQI
1st Aug 20255410 PMAQI
1st Aug 20255411 PMAQI
2nd Aug 20255412 AMAQI
2nd Aug 2025561 AMAQI
2nd Aug 2025562 AMAQI
2nd Aug 2025563 AMAQI
2nd Aug 2025564 AMAQI
29°C28/30°C
2nd Aug 2025565 AMAQI
2nd Aug 2025576 AMAQI
2nd Aug 2025567 AMAQI
2nd Aug 2025538 AMAQI
2nd Aug 2025449 AMAQI
2nd Aug 20254810 AMAQI
2nd Aug 20255111 AMAQI
2nd Aug 20254412 PMAQI
2nd Aug 2025491 PMAQI
2nd Aug 2025482 PMAQI
2nd Aug 2025463 PMAQI
2nd Aug 2025424 PMAQI
2nd Aug 2025485 PMAQI
2nd Aug 2025446 PMAQI
2nd Aug 2025507 PMAQI
2nd Aug 2025588 PMAQI
2nd Aug 2025599 PMAQI
2nd Aug 20255710 PMAQI
2nd Aug 20255611 PMAQI
3rd Aug 20255512 AMAQI
3rd Aug 2025561 AMAQI
3rd Aug 2025582 AMAQI
3rd Aug 2025563 AMAQI
3rd Aug 2025564 AMAQI
28°C28/29°C
3rd Aug 2025565 AMAQI
3rd Aug 2025566 AMAQI
3rd Aug 2025557 AMAQI
3rd Aug 2025508 AMAQI
3rd Aug 2025429 AMAQI
3rd Aug 20254610 AMAQI
3rd Aug 20255411 AMAQI
3rd Aug 20255712 PMAQI
3rd Aug 2025451 PMAQI
3rd Aug 2025512 PMAQI
3rd Aug 2025533 PMAQI
3rd Aug 2025514 PMAQI
3rd Aug 2025535 PMAQI
3rd Aug 2025486 PMAQI
3rd Aug 2025507 PMAQI
3rd Aug 2025578 PMAQI
3rd Aug 2025589 PMAQI
3rd Aug 20255610 PMAQI
3rd Aug 20255811 PMAQI
4th Aug 20255512 AMAQI
4th Aug 2025581 AMAQI
--°C/°C
5 AM
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
11 AM - 7 PM
52AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
8 AM - 9 AM
44AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 7 PM (Avg. 52), while the lowest AQI was between 8 AM to 9 AM (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
Sai Wan Ho, 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 Wan Ho, 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
105AQI
105AQI
2nd January 2025
130AQI
130AQI
3rd January 2025
98AQI
98AQI
4th January 2025
100AQI
100AQI
5th January 2025
94AQI
94AQI
6th January 2025
96AQI
96AQI
7th January 2025
88AQI
88AQI
8th January 2025
96AQI
96AQI
9th January 2025
101AQI
101AQI
10th January 2025
79AQI
79AQI
11th January 2025
89AQI
89AQI
12th January 2025
66AQI
66AQI
13th January 2025
72AQI
72AQI
14th January 2025
67AQI
67AQI
15th January 2025
78AQI
78AQI
16th January 2025
101AQI
101AQI
17th January 2025
84AQI
84AQI
18th January 2025
91AQI
91AQI
19th January 2025
83AQI
83AQI
20th January 2025
84AQI
84AQI
21st January 2025
83AQI
83AQI
22nd January 2025
84AQI
84AQI
23rd January 2025
77AQI
77AQI
24th January 2025
68AQI
68AQI
25th January 2025
61AQI
61AQI
26th January 2025
49AQI
49AQI
27th January 2025
56AQI
56AQI
28th January 2025
57AQI
57AQI
29th January 2025
87AQI
87AQI
30th January 2025
62AQI
62AQI
31st January 2025
64AQI
64AQI
1st February 2025
48AQI
48AQI
2nd February 2025
56AQI
56AQI
3rd February 2025
38AQI
38AQI
4th February 2025
46AQI
46AQI
5th February 2025
72AQI
72AQI
6th February 2025
62AQI
62AQI
7th February 2025
59AQI
59AQI
8th February 2025
62AQI
62AQI
9th February 2025
56AQI
56AQI
10th February 2025
58AQI
58AQI
11th February 2025
59AQI
59AQI
12th February 2025
53AQI
53AQI
13th February 2025
79AQI
79AQI
14th February 2025
79AQI
79AQI
15th February 2025
78AQI
78AQI
16th February 2025
108AQI
108AQI
17th February 2025
85AQI
85AQI
18th February 2025
118AQI
118AQI
19th February 2025
71AQI
71AQI
20th February 2025
81AQI
81AQI
21st February 2025
76AQI
76AQI
22nd February 2025
68AQI
68AQI
23rd February 2025
50AQI
50AQI
24th February 2025
56AQI
56AQI
25th February 2025
76AQI
76AQI
26th February 2025
85AQI
85AQI
27th February 2025
74AQI
74AQI
28th February 2025
68AQI
68AQI
1st March 2025
71AQI
71AQI
2nd March 2025
64AQI
64AQI
3rd March 2025
57AQI
57AQI
4th March 2025
56AQI
56AQI
5th March 2025
47AQI
47AQI
6th March 2025
41AQI
41AQI
7th March 2025
50AQI
50AQI
8th March 2025
55AQI
55AQI
9th March 2025
62AQI
62AQI
10th March 2025
67AQI
67AQI
11th March 2025
66AQI
66AQI
12th March 2025
58AQI
58AQI
13th March 2025
64AQI
64AQI
14th March 2025
62AQI
62AQI
15th March 2025
52AQI
52AQI
16th March 2025
41AQI
41AQI
17th March 2025
71AQI
71AQI
18th March 2025
63AQI
63AQI
19th March 2025
72AQI
72AQI
20th March 2025
74AQI
74AQI
21st March 2025
76AQI
76AQI
22nd March 2025
70AQI
70AQI
23rd March 2025
74AQI
74AQI
24th March 2025
76AQI
76AQI
25th March 2025
72AQI
72AQI
26th March 2025
59AQI
59AQI
27th March 2025
60AQI
60AQI
28th March 2025
64AQI
64AQI
29th March 2025
45AQI
45AQI
30th March 2025
39AQI
39AQI
31st March 2025
38AQI
38AQI
1st April 2025
49AQI
49AQI
2nd April 2025
50AQI
50AQI
3rd April 2025
58AQI
58AQI
4th April 2025
61AQI
61AQI
5th April 2025
57AQI
57AQI
6th April 2025
69AQI
69AQI
7th April 2025
73AQI
73AQI
8th April 2025
79AQI
79AQI
9th April 2025
67AQI
67AQI
10th April 2025
67AQI
67AQI
11th April 2025
61AQI
61AQI
12th April 2025
58AQI
58AQI
13th April 2025
123AQI
123AQI
14th April 2025
130AQI
130AQI
15th April 2025
129AQI
129AQI
16th April 2025
103AQI
103AQI
17th April 2025
88AQI
88AQI
18th April 2025
75AQI
75AQI
19th April 2025
63AQI
63AQI
20th April 2025
59AQI
59AQI
21st April 2025
57AQI
57AQI
22nd April 2025
58AQI
58AQI
23rd April 2025
54AQI
54AQI
24th April 2025
49AQI
49AQI
25th April 2025
52AQI
52AQI
26th April 2025
51AQI
51AQI
27th April 2025
62AQI
62AQI
28th April 2025
68AQI
68AQI
29th April 2025
64AQI
64AQI
30th April 2025
71AQI
71AQI
1st May 2025
65AQI
65AQI
2nd May 2025
75AQI
75AQI
3rd May 2025
82AQI
82AQI
4th May 2025
65AQI
65AQI
5th May 2025
61AQI
61AQI
6th May 2025
54AQI
54AQI
7th May 2025
55AQI
55AQI
8th May 2025
62AQI
62AQI
9th May 2025
49AQI
49AQI
10th May 2025
58AQI
58AQI
11th May 2025
56AQI
56AQI
12th May 2025
60AQI
60AQI
13th May 2025
64AQI
64AQI
14th May 2025
59AQI
59AQI
15th May 2025
51AQI
51AQI
16th May 2025
42AQI
42AQI
17th May 2025
36AQI
36AQI
18th May 2025
40AQI
40AQI
19th May 2025
43AQI
43AQI
20th May 2025
35AQI
35AQI
21st May 2025
45AQI
45AQI
22nd May 2025
41AQI
41AQI
23rd May 2025
43AQI
43AQI
24th May 2025
49AQI
49AQI
25th May 2025
68AQI
68AQI
26th May 2025
65AQI
65AQI
27th May 2025
71AQI
71AQI
28th May 2025
60AQI
60AQI
29th May 2025
58AQI
58AQI
30th May 2025
47AQI
47AQI
31st May 2025
62AQI
62AQI
1st June 2025
62AQI
62AQI
2nd June 2025
54AQI
54AQI
3rd June 2025
57AQI
57AQI
4th June 2025
43AQI
43AQI
5th June 2025
56AQI
56AQI
6th June 2025
52AQI
52AQI
7th June 2025
46AQI
46AQI
8th June 2025
41AQI
41AQI
9th June 2025
43AQI
43AQI
10th June 2025
37AQI
37AQI
11th June 2025
33AQI
33AQI
12th June 2025
34AQI
34AQI
13th June 2025
34AQI
34AQI
14th June 2025
44AQI
44AQI
15th June 2025
43AQI
43AQI
16th June 2025
42AQI
42AQI
17th June 2025
40AQI
40AQI
18th June 2025
36AQI
36AQI
19th June 2025
34AQI
34AQI
20th June 2025
30AQI
30AQI
21st June 2025
28AQI
28AQI
22nd June 2025
24AQI
24AQI
23rd June 2025
25AQI
25AQI
24th June 2025
25AQI
25AQI
25th June 2025
27AQI
27AQI
26th June 2025
26AQI
26AQI
27th June 2025
27AQI
27AQI
28th June 2025
28AQI
28AQI
29th June 2025
28AQI
28AQI
30th June 2025
27AQI
27AQI
1st July 2025
28AQI
28AQI
2nd July 2025
29AQI
29AQI
3rd July 2025
35AQI
35AQI
4th July 2025
45AQI
45AQI
5th July 2025
42AQI
42AQI
6th July 2025
45AQI
45AQI
7th July 2025
52AQI
52AQI
8th July 2025
40AQI
40AQI
9th July 2025
44AQI
44AQI
10th July 2025
45AQI
45AQI
11th July 2025
48AQI
48AQI
12th July 2025
47AQI
47AQI
13th July 2025
51AQI
51AQI
14th July 2025
49AQI
49AQI
15th July 2025
49AQI
49AQI
16th July 2025
48AQI
48AQI
17th July 2025
53AQI
53AQI
18th July 2025
53AQI
53AQI
19th July 2025
59AQI
59AQI
20th July 2025
39AQI
39AQI
21st July 2025
44AQI
44AQI
22nd July 2025
45AQI
45AQI
23rd July 2025
40AQI
40AQI
24th July 2025
50AQI
50AQI
25th July 2025
61AQI
61AQI
26th July 2025
63AQI
63AQI
27th July 2025
54AQI
54AQI
28th July 2025
59AQI
59AQI
29th July 2025
52AQI
52AQI
30th July 2025
61AQI
61AQI
31st July 2025
51AQI
51AQI
1st August 2025
54AQI
54AQI
2nd August 2025
53AQI
53AQI
82AQI
69AQI
60AQI
70AQI
56AQI
38AQI
48AQI
54AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202560AQI
1
26
4
4
22
2
7
24
3
23
4
11
20
25
5
19
12
2
70
134
10
Highest AQI recorded in
January82AQI
Lowest AQI recorded in
June38AQI
202455AQI
4
23
4
7
22
5
23
3
15
15
17
14
28
1
29
2
24
7
24
6
5
26
8
22
24
7
166
185
14
Highest AQI recorded in
December87AQI
Lowest AQI recorded in
July30AQI
202351AQI
4
27
7
20
1
6
24
1
8
22
14
17
27
3
28
3
31
27
3
13
18
9
20
4
27
178
184
2
Highest AQI recorded in
December67AQI
Lowest AQI recorded in
July29AQI
202251AQI
8
20
3
12
9
13
18
12
5
22
9
30
21
1
4
21
3
12
19
16
14
13
16
2
163
132
8
Highest AQI recorded in
August92AQI
Lowest AQI recorded in
June25AQI
202151AQI
26
5
5
23
7
24
11
19
27
4
27
3
26
5
28
3
22
8
18
13
6
24
7
22
2
184
174
7
Highest AQI recorded in
January79AQI
Lowest AQI recorded in
August32AQI
202046AQI
4
9
11
10
15
3
30
31
26
5
20
9
1
3
28
6
24
1
29
1
147
117
2
Highest AQI recorded in
December74AQI
Lowest AQI recorded in
July19AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
60AQILeast Polluted Year Recorded
2020(Avg.)
46AQISai Wan Ho's annual 2025 AQI (60) shows an average percentage change of 19.5% (worsened AQI) compared to previous years: 2020 (46), 2021 (51), 2022 (51), 2023 (51), 2024 (55).
