Wan Chai, 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
Wan Chai, 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
140AQILowest AQI recorded on
22nd Aug 2021
26AQISame Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 55 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
Wan Chai, 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
4PM2nd Aug
45AQI
Night time
Avg. Highest Time
8PM2nd Aug
58AQI
Avg. Lowest Time
4AM3rd Aug
56AQI
In the last 24 hours,
Wan Chai's AQI reached its highest point of 58 at 8 PM during the Night, while the lowest point, 45, was recorded at 4 PM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Wan Chai, 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 2025385 AMAQI
4th Jul 2025386 AMAQI
4th Jul 2025387 AMAQI
4th Jul 2025548 AMAQI
4th Jul 2025579 AMAQI
4th Jul 20255610 AMAQI
4th Jul 20256011 AMAQI
4th Jul 20255512 PMAQI
4th Jul 2025601 PMAQI
4th Jul 2025552 PMAQI
4th Jul 2025583 PMAQI
4th Jul 2025634 PMAQI
4th Jul 2025635 PMAQI
4th Jul 2025606 PMAQI
4th Jul 2025587 PMAQI
4th Jul 2025548 PMAQI
4th Jul 2025589 PMAQI
4th Jul 20255510 PMAQI
4th Jul 20255411 PMAQI
5th Jul 20254012 AMAQI
5th Jul 2025381 AMAQI
5th Jul 2025382 AMAQI
5th Jul 2025393 AMAQI
5th Jul 2025444 AMAQI
29°C27/30°C
5th Jul 2025445 AMAQI
5th Jul 2025426 AMAQI
5th Jul 2025427 AMAQI
5th Jul 2025428 AMAQI
5th Jul 2025469 AMAQI
5th Jul 20255410 AMAQI
5th Jul 20255311 AMAQI
5th Jul 20255912 PMAQI
5th Jul 2025641 PMAQI
5th Jul 2025682 PMAQI
5th Jul 2025713 PMAQI
5th Jul 2025784 PMAQI
5th Jul 2025805 PMAQI
5th Jul 2025646 PMAQI
5th Jul 2025517 PMAQI
5th Jul 2025408 PMAQI
5th Jul 2025369 PMAQI
5th Jul 20253510 PMAQI
5th Jul 20253811 PMAQI
6th Jul 20253412 AMAQI
6th Jul 2025391 AMAQI
6th Jul 2025392 AMAQI
6th Jul 2025433 AMAQI
6th Jul 2025464 AMAQI
29°C28/31°C
6th Jul 2025465 AMAQI
6th Jul 2025456 AMAQI
6th Jul 2025467 AMAQI
6th Jul 2025378 AMAQI
6th Jul 2025389 AMAQI
6th Jul 20255010 AMAQI
6th Jul 20255111 AMAQI
6th Jul 20256412 PMAQI
6th Jul 2025601 PMAQI
6th Jul 2025742 PMAQI
6th Jul 2025713 PMAQI
6th Jul 2025804 PMAQI
6th Jul 2025725 PMAQI
6th Jul 2025716 PMAQI
6th Jul 2025547 PMAQI
6th Jul 2025518 PMAQI
6th Jul 2025519 PMAQI
6th Jul 20254510 PMAQI
6th Jul 20253611 PMAQI
7th Jul 20253612 AMAQI
7th Jul 2025411 AMAQI
7th Jul 2025412 AMAQI
7th Jul 2025443 AMAQI
7th Jul 2025464 AMAQI
29°C27/31°C
7th Jul 2025455 AMAQI
7th Jul 2025476 AMAQI
7th Jul 2025467 AMAQI
7th Jul 2025678 AMAQI
7th Jul 2025679 AMAQI
7th Jul 20257410 AMAQI
7th Jul 20258411 AMAQI
7th Jul 20257812 PMAQI
7th Jul 2025841 PMAQI
7th Jul 2025812 PMAQI
7th Jul 2025843 PMAQI
7th Jul 2025784 PMAQI
7th Jul 2025685 PMAQI
7th Jul 2025676 PMAQI
7th Jul 2025567 PMAQI
7th Jul 2025508 PMAQI
7th Jul 2025529 PMAQI
7th Jul 20255210 PMAQI
7th Jul 20254411 PMAQI
8th Jul 20254112 AMAQI
8th Jul 2025441 AMAQI
8th Jul 2025432 AMAQI
8th Jul 2025483 AMAQI
8th Jul 2025544 AMAQI
30°C28/31°C
8th Jul 2025545 AMAQI
8th Jul 2025546 AMAQI
8th Jul 2025547 AMAQI
8th Jul 2025388 AMAQI
8th Jul 2025319 AMAQI
8th Jul 20252710 AMAQI
8th Jul 20253611 AMAQI
8th Jul 20253812 PMAQI
8th Jul 2025361 PMAQI
8th Jul 2025332 PMAQI
8th Jul 2025383 PMAQI
8th Jul 2025464 PMAQI
8th Jul 2025425 PMAQI
8th Jul 2025426 PMAQI
8th Jul 2025427 PMAQI
8th Jul 2025438 PMAQI
8th Jul 2025429 PMAQI
8th Jul 20254710 PMAQI
8th Jul 20254511 PMAQI
9th Jul 20254912 AMAQI
9th Jul 2025521 AMAQI
9th Jul 2025512 AMAQI
9th Jul 2025503 AMAQI
9th Jul 2025484 AMAQI
29°C29/31°C
9th Jul 2025475 AMAQI
9th Jul 2025476 AMAQI
9th Jul 2025477 AMAQI
9th Jul 2025428 AMAQI
9th Jul 2025459 AMAQI
9th Jul 20254410 AMAQI
9th Jul 20255411 AMAQI
9th Jul 20255012 PMAQI
9th Jul 2025471 PMAQI
9th Jul 2025622 PMAQI
9th Jul 2025633 PMAQI
9th Jul 2025604 PMAQI
9th Jul 2025545 PMAQI
9th Jul 2025526 PMAQI
9th Jul 2025527 PMAQI
9th Jul 2025558 PMAQI
9th Jul 2025559 PMAQI
9th Jul 20255410 PMAQI
9th Jul 20255311 PMAQI
10th Jul 20255212 AMAQI
10th Jul 2025501 AMAQI
10th Jul 2025492 AMAQI
10th Jul 2025493 AMAQI
10th Jul 2025514 AMAQI
30°C28/31°C
10th Jul 2025515 AMAQI
10th Jul 2025506 AMAQI
10th Jul 2025517 AMAQI
10th Jul 2025368 AMAQI
10th Jul 2025459 AMAQI
10th Jul 20255210 AMAQI
10th Jul 20255811 AMAQI
10th Jul 20255512 PMAQI
10th Jul 2025551 PMAQI
10th Jul 2025552 PMAQI
10th Jul 2025603 PMAQI
10th Jul 2025654 PMAQI
10th Jul 2025685 PMAQI
10th Jul 2025586 PMAQI
10th Jul 2025527 PMAQI
10th Jul 2025528 PMAQI
10th Jul 2025559 PMAQI
10th Jul 20255710 PMAQI
10th Jul 20255411 PMAQI
11th Jul 20255412 AMAQI
11th Jul 2025511 AMAQI
11th Jul 2025502 AMAQI
11th Jul 2025503 AMAQI
11th Jul 2025504 AMAQI
28°C27/30°C
11th Jul 2025525 AMAQI
11th Jul 2025526 AMAQI
11th Jul 2025527 AMAQI
11th Jul 2025508 AMAQI
11th Jul 2025519 AMAQI
11th Jul 20255410 AMAQI
11th Jul 20255711 AMAQI
11th Jul 20256012 PMAQI
11th Jul 2025651 PMAQI
11th Jul 2025622 PMAQI
11th Jul 2025593 PMAQI
11th Jul 2025584 PMAQI
11th Jul 2025585 PMAQI
11th Jul 2025546 PMAQI
11th Jul 2025557 PMAQI
11th Jul 2025558 PMAQI
11th Jul 2025619 PMAQI
11th Jul 20256110 PMAQI
11th Jul 20256011 PMAQI
12th Jul 20256212 AMAQI
12th Jul 2025521 AMAQI
12th Jul 2025502 AMAQI
12th Jul 2025513 AMAQI
12th Jul 2025524 AMAQI
27°C26/28°C
12th Jul 2025525 AMAQI
12th Jul 2025526 AMAQI
12th Jul 2025527 AMAQI
12th Jul 2025398 AMAQI
12th Jul 2025499 AMAQI
12th Jul 20255510 AMAQI
12th Jul 20255911 AMAQI
12th Jul 20255912 PMAQI
12th Jul 2025541 PMAQI
12th Jul 2025602 PMAQI
12th Jul 2025573 PMAQI
12th Jul 2025564 PMAQI
12th Jul 2025585 PMAQI
12th Jul 2025536 PMAQI
12th Jul 2025527 PMAQI
12th Jul 2025558 PMAQI
12th Jul 2025599 PMAQI
12th Jul 20256010 PMAQI
12th Jul 20255911 PMAQI
13th Jul 20255912 AMAQI
13th Jul 2025541 AMAQI
13th Jul 2025522 AMAQI
13th Jul 2025523 AMAQI
13th Jul 2025534 AMAQI
29°C27/30°C
13th Jul 2025535 AMAQI
13th Jul 2025536 AMAQI
13th Jul 2025537 AMAQI
13th Jul 2025538 AMAQI
13th Jul 2025529 AMAQI
13th Jul 20254910 AMAQI
13th Jul 20255511 AMAQI
13th Jul 20255812 PMAQI
13th Jul 2025531 PMAQI
13th Jul 2025552 PMAQI
13th Jul 2025583 PMAQI
13th Jul 2025584 PMAQI
13th Jul 2025535 PMAQI
13th Jul 2025466 PMAQI
13th Jul 2025527 PMAQI
13th Jul 2025538 PMAQI
13th Jul 2025539 PMAQI
13th Jul 20255610 PMAQI
13th Jul 20255511 PMAQI
14th Jul 20255412 AMAQI
14th Jul 2025531 AMAQI
14th Jul 2025532 AMAQI
14th Jul 2025543 AMAQI
14th Jul 2025544 AMAQI
29°C28/30°C
14th Jul 2025545 AMAQI
14th Jul 2025536 AMAQI
14th Jul 2025547 AMAQI
14th Jul 2025538 AMAQI
14th Jul 2025519 AMAQI
14th Jul 20254910 AMAQI
14th Jul 20255911 AMAQI
14th Jul 20256512 PMAQI
14th Jul 2025641 PMAQI
14th Jul 2025602 PMAQI
14th Jul 2025523 PMAQI
14th Jul 2025524 PMAQI
14th Jul 2025445 PMAQI
14th Jul 2025406 PMAQI
14th Jul 2025427 PMAQI
14th Jul 2025518 PMAQI
14th Jul 2025529 PMAQI
14th Jul 20255410 PMAQI
14th Jul 20255411 PMAQI
15th Jul 20255212 AMAQI
15th Jul 2025531 AMAQI
15th Jul 2025542 AMAQI
15th Jul 2025543 AMAQI
15th Jul 2025544 AMAQI
29°C28/31°C
15th Jul 2025545 AMAQI
15th Jul 2025546 AMAQI
15th Jul 2025547 AMAQI
15th Jul 2025428 AMAQI
15th Jul 2025509 AMAQI
15th Jul 20255610 AMAQI
15th Jul 20255311 AMAQI
15th Jul 20255112 PMAQI
15th Jul 2025521 PMAQI
15th Jul 2025492 PMAQI
15th Jul 2025553 PMAQI
15th Jul 2025584 PMAQI
15th Jul 2025525 PMAQI
15th Jul 2025546 PMAQI
15th Jul 2025537 PMAQI
15th Jul 2025538 PMAQI
15th Jul 2025549 PMAQI
15th Jul 20255810 PMAQI
15th Jul 20255411 PMAQI
16th Jul 20255412 AMAQI
16th Jul 2025531 AMAQI
16th Jul 2025532 AMAQI
16th Jul 2025543 AMAQI
16th Jul 2025534 AMAQI
29°C28/30°C
16th Jul 2025535 AMAQI
16th Jul 2025546 AMAQI
16th Jul 2025547 AMAQI
16th Jul 2025468 AMAQI
16th Jul 2025499 AMAQI
16th Jul 20254410 AMAQI
16th Jul 20255311 AMAQI
16th Jul 20255512 PMAQI
16th Jul 2025551 PMAQI
16th Jul 2025562 PMAQI
16th Jul 2025543 PMAQI
16th Jul 2025544 PMAQI
16th Jul 2025535 PMAQI
16th Jul 2025526 PMAQI
16th Jul 2025517 PMAQI
16th Jul 2025528 PMAQI
16th Jul 2025569 PMAQI
16th Jul 20255510 PMAQI
16th Jul 20255511 PMAQI
17th Jul 20255412 AMAQI
17th Jul 2025531 AMAQI
17th Jul 2025532 AMAQI
17th Jul 2025533 AMAQI
17th Jul 2025534 AMAQI
29°C28/31°C
17th Jul 2025535 AMAQI
17th Jul 2025536 AMAQI
17th Jul 2025537 AMAQI
17th Jul 2025518 AMAQI
17th Jul 2025549 AMAQI
17th Jul 20255810 AMAQI
17th Jul 20256011 AMAQI
17th Jul 20255912 PMAQI
17th Jul 2025581 PMAQI
17th Jul 2025672 PMAQI
17th Jul 2025693 PMAQI
17th Jul 2025684 PMAQI
17th Jul 2025665 PMAQI
17th Jul 2025626 PMAQI
17th Jul 2025617 PMAQI
17th Jul 2025588 PMAQI
17th Jul 2025629 PMAQI
17th Jul 20256510 PMAQI
17th Jul 20256511 PMAQI
18th Jul 20256412 AMAQI
18th Jul 2025551 AMAQI
18th Jul 2025532 AMAQI
18th Jul 2025543 AMAQI
18th Jul 2025544 AMAQI
30°C29/31°C
18th Jul 2025555 AMAQI
18th Jul 2025546 AMAQI
18th Jul 2025547 AMAQI
18th Jul 2025568 AMAQI
18th Jul 2025589 AMAQI
18th Jul 20256310 AMAQI
18th Jul 20257211 AMAQI
18th Jul 20257712 PMAQI
18th Jul 2025771 PMAQI
18th Jul 2025622 PMAQI
18th Jul 2025623 PMAQI
18th Jul 2025674 PMAQI
18th Jul 2025705 PMAQI
18th Jul 2025656 PMAQI
18th Jul 2025647 PMAQI
18th Jul 2025598 PMAQI
18th Jul 2025609 PMAQI
18th Jul 20256010 PMAQI
18th Jul 20256211 PMAQI
19th Jul 20256412 AMAQI
19th Jul 2025581 AMAQI
19th Jul 2025552 AMAQI
19th Jul 2025563 AMAQI
19th Jul 2025574 AMAQI
30°C29/32°C
19th Jul 2025575 AMAQI
19th Jul 2025586 AMAQI
19th Jul 2025587 AMAQI
19th Jul 2025828 AMAQI
19th Jul 2025879 AMAQI
19th Jul 20258310 AMAQI
19th Jul 20258111 AMAQI
19th Jul 20257912 PMAQI
19th Jul 2025811 PMAQI
19th Jul 2025782 PMAQI
19th Jul 2025813 PMAQI
19th Jul 2025774 PMAQI
19th Jul 2025735 PMAQI
19th Jul 2025706 PMAQI
19th Jul 2025607 PMAQI
19th Jul 2025598 PMAQI
19th Jul 2025599 PMAQI
19th Jul 20255410 PMAQI
19th Jul 20255111 PMAQI
20th Jul 20255112 AMAQI
20th Jul 2025561 AMAQI
20th Jul 2025562 AMAQI
20th Jul 2025603 AMAQI
20th Jul 2025624 AMAQI
29°C27/32°C
20th Jul 2025625 AMAQI
20th Jul 2025626 AMAQI
20th Jul 2025627 AMAQI
20th Jul 2025418 AMAQI
20th Jul 2025169 AMAQI
20th Jul 20251910 AMAQI
20th Jul 20251811 AMAQI
20th Jul 20252012 PMAQI
20th Jul 2025291 PMAQI
20th Jul 2025262 PMAQI
20th Jul 2025203 PMAQI
20th Jul 2025354 PMAQI
20th Jul 2025265 PMAQI
20th Jul 2025186 PMAQI
20th Jul 2025277 PMAQI
20th Jul 2025418 PMAQI
20th Jul 2025409 PMAQI
20th Jul 20254210 PMAQI
20th Jul 20254511 PMAQI
21st Jul 20254712 AMAQI
21st Jul 2025561 AMAQI
21st Jul 2025582 AMAQI
21st Jul 2025563 AMAQI
21st Jul 2025534 AMAQI
28°C27/29°C
21st Jul 2025545 AMAQI
21st Jul 2025546 AMAQI
21st Jul 2025547 AMAQI
21st Jul 2025388 AMAQI
21st Jul 2025339 AMAQI
21st Jul 20253810 AMAQI
21st Jul 20254411 AMAQI
21st Jul 20253812 PMAQI
21st Jul 2025461 PMAQI
21st Jul 2025552 PMAQI
21st Jul 2025543 PMAQI
21st Jul 2025434 PMAQI
21st Jul 2025485 PMAQI
21st Jul 2025436 PMAQI
21st Jul 2025437 PMAQI
21st Jul 2025508 PMAQI
21st Jul 2025529 PMAQI
21st Jul 20254610 PMAQI
21st Jul 20254411 PMAQI
22nd Jul 20254812 AMAQI
22nd Jul 2025541 AMAQI
22nd Jul 2025542 AMAQI
22nd Jul 2025543 AMAQI
22nd Jul 2025544 AMAQI
28°C28/29°C
22nd Jul 2025535 AMAQI
22nd Jul 2025536 AMAQI
22nd Jul 2025537 AMAQI
22nd Jul 2025318 AMAQI
22nd Jul 2025259 AMAQI
22nd Jul 20253210 AMAQI
22nd Jul 20254211 AMAQI
22nd Jul 20255412 PMAQI
22nd Jul 2025541 PMAQI
22nd Jul 2025642 PMAQI
22nd Jul 2025653 PMAQI
22nd Jul 2025574 PMAQI
22nd Jul 2025465 PMAQI
22nd Jul 2025456 PMAQI
22nd Jul 2025517 PMAQI
22nd Jul 2025528 PMAQI
22nd Jul 2025499 PMAQI
22nd Jul 20255010 PMAQI
22nd Jul 20254211 PMAQI
23rd Jul 20254112 AMAQI
23rd Jul 2025501 AMAQI
23rd Jul 2025532 AMAQI
23rd Jul 2025523 AMAQI
23rd Jul 2025524 AMAQI
28°C27/29°C
23rd Jul 2025525 AMAQI
23rd Jul 2025526 AMAQI
23rd Jul 2025537 AMAQI
23rd Jul 2025328 AMAQI
23rd Jul 2025279 AMAQI
23rd Jul 20253810 AMAQI
23rd Jul 20254911 AMAQI
23rd Jul 20255212 PMAQI
23rd Jul 2025501 PMAQI
23rd Jul 2025452 PMAQI
23rd Jul 2025483 PMAQI
23rd Jul 2025404 PMAQI
23rd Jul 2025345 PMAQI
23rd Jul 2025306 PMAQI
23rd Jul 2025367 PMAQI
23rd Jul 2025528 PMAQI
23rd Jul 2025519 PMAQI
23rd Jul 20255210 PMAQI
23rd Jul 20255311 PMAQI
24th Jul 20255612 AMAQI
24th Jul 2025521 AMAQI
24th Jul 2025522 AMAQI
24th Jul 2025513 AMAQI
24th Jul 2025524 AMAQI
28°C27/29°C
24th Jul 2025505 AMAQI
24th Jul 2025516 AMAQI
24th Jul 2025517 AMAQI
24th Jul 2025558 AMAQI
24th Jul 2025609 AMAQI
24th Jul 20256210 AMAQI
24th Jul 20256411 AMAQI
24th Jul 20256712 PMAQI
24th Jul 2025721 PMAQI
24th Jul 2025722 PMAQI
24th Jul 2025753 PMAQI
24th Jul 2025714 PMAQI
24th Jul 2025615 PMAQI
24th Jul 2025676 PMAQI
24th Jul 2025637 PMAQI
24th Jul 2025598 PMAQI
24th Jul 2025609 PMAQI
24th Jul 20256010 PMAQI
24th Jul 20256611 PMAQI
25th Jul 20256512 AMAQI
25th Jul 2025551 AMAQI
25th Jul 2025522 AMAQI
25th Jul 2025533 AMAQI
25th Jul 2025554 AMAQI
29°C27/30°C
25th Jul 2025555 AMAQI
25th Jul 2025546 AMAQI
25th Jul 2025547 AMAQI
25th Jul 2025578 AMAQI
25th Jul 2025579 AMAQI
25th Jul 20255310 AMAQI
25th Jul 20255211 AMAQI
25th Jul 20256612 PMAQI
25th Jul 2025741 PMAQI
25th Jul 2025942 PMAQI
25th Jul 2025903 PMAQI
25th Jul 2025924 PMAQI
25th Jul 2025885 PMAQI
25th Jul 2025846 PMAQI
25th Jul 2025767 PMAQI
25th Jul 2025678 PMAQI
25th Jul 2025639 PMAQI
25th Jul 20255710 PMAQI
25th Jul 20255411 PMAQI
26th Jul 20255412 AMAQI
26th Jul 2025541 AMAQI
26th Jul 2025542 AMAQI
26th Jul 2025563 AMAQI
26th Jul 2025584 AMAQI
29°C28/31°C
26th Jul 2025575 AMAQI
26th Jul 2025586 AMAQI
26th Jul 2025587 AMAQI
26th Jul 2025618 AMAQI
26th Jul 2025619 AMAQI
26th Jul 20256110 AMAQI
26th Jul 20256611 AMAQI
26th Jul 20257012 PMAQI
26th Jul 2025771 PMAQI
26th Jul 2025862 PMAQI
26th Jul 2025793 PMAQI
26th Jul 2025884 PMAQI
26th Jul 2025875 PMAQI
26th Jul 2025856 PMAQI
26th Jul 2025717 PMAQI
26th Jul 2025628 PMAQI
26th Jul 2025639 PMAQI
26th Jul 20256410 PMAQI
26th Jul 20256411 PMAQI
27th Jul 20256012 AMAQI
27th Jul 2025561 AMAQI
27th Jul 2025552 AMAQI
27th Jul 2025573 AMAQI
27th Jul 2025584 AMAQI
29°C28/31°C
27th Jul 2025585 AMAQI
27th Jul 2025586 AMAQI
27th Jul 2025587 AMAQI
27th Jul 2025628 AMAQI
27th Jul 2025589 AMAQI
27th Jul 20255410 AMAQI
27th Jul 20254711 AMAQI
27th Jul 20255012 PMAQI
27th Jul 2025551 PMAQI
27th Jul 2025542 PMAQI
27th Jul 2025553 PMAQI
27th Jul 2025624 PMAQI
27th Jul 2025585 PMAQI
27th Jul 2025406 PMAQI
27th Jul 2025487 PMAQI
27th Jul 2025528 PMAQI
27th Jul 2025529 PMAQI
27th Jul 20255310 PMAQI
27th Jul 20255311 PMAQI
28th Jul 20254812 AMAQI
28th Jul 2025541 AMAQI
28th Jul 2025562 AMAQI
28th Jul 2025573 AMAQI
28th Jul 2025574 AMAQI
29°C28/30°C
28th Jul 2025565 AMAQI
28th Jul 2025576 AMAQI
28th Jul 2025577 AMAQI
28th Jul 2025408 AMAQI
28th Jul 2025349 AMAQI
28th Jul 20254210 AMAQI
28th Jul 20255811 AMAQI
28th Jul 20255812 PMAQI
28th Jul 2025631 PMAQI
28th Jul 2025722 PMAQI
28th Jul 2025823 PMAQI
28th Jul 2025824 PMAQI
28th Jul 2025825 PMAQI
28th Jul 2025746 PMAQI
28th Jul 2025707 PMAQI
28th Jul 2025648 PMAQI
28th Jul 2025679 PMAQI
28th Jul 20256410 PMAQI
28th Jul 20256411 PMAQI
29th Jul 20256112 AMAQI
29th Jul 2025561 AMAQI
29th Jul 2025562 AMAQI
29th Jul 2025553 AMAQI
29th Jul 2025564 AMAQI
29°C28/30°C
29th Jul 2025565 AMAQI
29th Jul 2025566 AMAQI
29th Jul 2025567 AMAQI
29th Jul 2025528 AMAQI
29th Jul 2025529 AMAQI
29th Jul 20253310 AMAQI
29th Jul 20252911 AMAQI
29th Jul 20254412 PMAQI
29th Jul 2025541 PMAQI
29th Jul 2025572 PMAQI
29th Jul 2025583 PMAQI
29th Jul 2025634 PMAQI
29th Jul 2025645 PMAQI
29th Jul 2025616 PMAQI
29th Jul 2025607 PMAQI
29th Jul 2025638 PMAQI
29th Jul 2025629 PMAQI
29th Jul 20256110 PMAQI
29th Jul 20255911 PMAQI
30th Jul 20255612 AMAQI
30th Jul 2025561 AMAQI
30th Jul 2025562 AMAQI
30th Jul 2025563 AMAQI
30th Jul 2025554 AMAQI
29°C28/31°C
30th Jul 2025565 AMAQI
30th Jul 2025556 AMAQI
30th Jul 2025557 AMAQI
30th Jul 2025598 AMAQI
30th Jul 2025669 AMAQI
30th Jul 20257010 AMAQI
30th Jul 20257611 AMAQI
30th Jul 20258512 PMAQI
30th Jul 2025821 PMAQI
30th Jul 2025972 PMAQI
30th Jul 2025883 PMAQI
30th Jul 2025784 PMAQI
30th Jul 2025655 PMAQI
30th Jul 2025606 PMAQI
30th Jul 2025607 PMAQI
30th Jul 2025598 PMAQI
30th Jul 2025589 PMAQI
30th Jul 20255810 PMAQI
30th Jul 20256011 PMAQI
31st Jul 20255812 AMAQI
31st Jul 2025561 AMAQI
31st Jul 2025562 AMAQI
31st Jul 2025563 AMAQI
31st Jul 2025564 AMAQI
29°C29/31°C
31st Jul 2025565 AMAQI
31st Jul 2025566 AMAQI
31st Jul 2025567 AMAQI
31st Jul 2025568 AMAQI
31st Jul 2025569 AMAQI
31st Jul 20254910 AMAQI
31st Jul 20254811 AMAQI
31st Jul 20254912 PMAQI
31st Jul 2025501 PMAQI
31st Jul 2025402 PMAQI
31st Jul 2025493 PMAQI
31st Jul 2025514 PMAQI
31st Jul 2025525 PMAQI
31st Jul 2025526 PMAQI
31st Jul 2025537 PMAQI
31st Jul 2025578 PMAQI
31st Jul 2025589 PMAQI
31st Jul 20255910 PMAQI
31st Jul 20255811 PMAQI
1st Aug 20255712 AMAQI
1st Aug 2025581 AMAQI
1st Aug 2025562 AMAQI
1st Aug 2025553 AMAQI
1st Aug 2025554 AMAQI
29°C28/30°C
1st Aug 2025555 AMAQI
1st Aug 2025566 AMAQI
1st Aug 2025557 AMAQI
1st Aug 2025508 AMAQI
1st Aug 2025569 AMAQI
1st Aug 20255310 AMAQI
1st Aug 20255311 AMAQI
1st Aug 20255312 PMAQI
1st Aug 2025551 PMAQI
1st Aug 2025482 PMAQI
1st Aug 2025563 PMAQI
1st Aug 2025534 PMAQI
1st Aug 2025525 PMAQI
1st Aug 2025536 PMAQI
1st Aug 2025547 PMAQI
1st Aug 2025588 PMAQI
1st Aug 2025589 PMAQI
1st Aug 20255710 PMAQI
1st Aug 20255911 PMAQI
2nd Aug 20255712 AMAQI
2nd Aug 2025551 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 2025567 AMAQI
2nd Aug 2025568 AMAQI
2nd Aug 2025519 AMAQI
2nd Aug 20255310 AMAQI
2nd Aug 20255011 AMAQI
2nd Aug 20254812 PMAQI
2nd Aug 2025501 PMAQI
2nd Aug 2025502 PMAQI
2nd Aug 2025473 PMAQI
2nd Aug 2025454 PMAQI
2nd Aug 2025535 PMAQI
2nd Aug 2025536 PMAQI
2nd Aug 2025497 PMAQI
2nd Aug 2025588 PMAQI
2nd Aug 2025589 PMAQI
2nd Aug 20255710 PMAQI
2nd Aug 20255611 PMAQI
3rd Aug 20255612 AMAQI
3rd Aug 2025581 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 2025498 AMAQI
3rd Aug 2025449 AMAQI
3rd Aug 20255810 AMAQI
3rd Aug 20255511 AMAQI
3rd Aug 20255512 PMAQI
12 PM3rd Aug 2025441 PMAQI
3rd Aug 2025442 PMAQI
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
11 AM - 5 PM
60AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
8 AM - 10 AM
50AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 5 PM (Avg. 60), while the lowest AQI was between 8 AM to 10 AM (Avg. 50).
Night time
Avg. Highest Time
12 AM - 11 PM
53AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
53AQI
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. 53), while the lowest AQI was between 12 AM to 11 PM (Avg. 53).
2025 Days Vs Air Quality
Wan Chai, Hong Kong Island, Hong Kong, China
2025
21%
45
71%
152
8%
16
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
45 DaysModerate
152 DaysPoor
16 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 21%
Health Risk Level:
Very high
In 2025, 21% of 215 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
Wan Chai, 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
114AQI
114AQI
2nd January 2025
141AQI
141AQI
3rd January 2025
107AQI
107AQI
4th January 2025
110AQI
110AQI
5th January 2025
104AQI
104AQI
6th January 2025
106AQI
106AQI
7th January 2025
94AQI
94AQI
8th January 2025
105AQI
105AQI
9th January 2025
111AQI
111AQI
10th January 2025
90AQI
90AQI
11th January 2025
97AQI
97AQI
12th January 2025
73AQI
73AQI
13th January 2025
77AQI
77AQI
14th January 2025
71AQI
71AQI
15th January 2025
85AQI
85AQI
16th January 2025
117AQI
117AQI
17th January 2025
93AQI
93AQI
18th January 2025
106AQI
106AQI
19th January 2025
97AQI
97AQI
20th January 2025
98AQI
98AQI
21st January 2025
89AQI
89AQI
22nd January 2025
88AQI
88AQI
23rd January 2025
80AQI
80AQI
24th January 2025
71AQI
71AQI
25th January 2025
62AQI
62AQI
26th January 2025
61AQI
61AQI
27th January 2025
61AQI
61AQI
28th January 2025
62AQI
62AQI
29th January 2025
85AQI
85AQI
30th January 2025
63AQI
63AQI
31st January 2025
65AQI
65AQI
1st February 2025
57AQI
57AQI
2nd February 2025
61AQI
61AQI
3rd February 2025
46AQI
46AQI
4th February 2025
55AQI
55AQI
5th February 2025
81AQI
81AQI
6th February 2025
67AQI
67AQI
7th February 2025
68AQI
68AQI
8th February 2025
70AQI
70AQI
9th February 2025
63AQI
63AQI
10th February 2025
64AQI
64AQI
11th February 2025
63AQI
63AQI
12th February 2025
60AQI
60AQI
13th February 2025
88AQI
88AQI
14th February 2025
85AQI
85AQI
15th February 2025
85AQI
85AQI
16th February 2025
120AQI
120AQI
17th February 2025
91AQI
91AQI
18th February 2025
127AQI
127AQI
19th February 2025
77AQI
77AQI
20th February 2025
88AQI
88AQI
21st February 2025
83AQI
83AQI
22nd February 2025
74AQI
74AQI
23rd February 2025
61AQI
61AQI
24th February 2025
62AQI
62AQI
25th February 2025
86AQI
86AQI
26th February 2025
95AQI
95AQI
27th February 2025
81AQI
81AQI
28th February 2025
79AQI
79AQI
1st March 2025
74AQI
74AQI
2nd March 2025
70AQI
70AQI
3rd March 2025
66AQI
66AQI
4th March 2025
64AQI
64AQI
5th March 2025
53AQI
53AQI
6th March 2025
52AQI
52AQI
7th March 2025
58AQI
58AQI
8th March 2025
67AQI
67AQI
9th March 2025
65AQI
65AQI
10th March 2025
72AQI
72AQI
11th March 2025
70AQI
70AQI
12th March 2025
68AQI
68AQI
13th March 2025
75AQI
75AQI
14th March 2025
68AQI
68AQI
15th March 2025
62AQI
62AQI
16th March 2025
51AQI
51AQI
17th March 2025
76AQI
76AQI
18th March 2025
70AQI
70AQI
19th March 2025
76AQI
76AQI
20th March 2025
78AQI
78AQI
21st March 2025
80AQI
80AQI
22nd March 2025
77AQI
77AQI
23rd March 2025
79AQI
79AQI
24th March 2025
82AQI
82AQI
25th March 2025
78AQI
78AQI
26th March 2025
66AQI
66AQI
27th March 2025
65AQI
65AQI
28th March 2025
70AQI
70AQI
29th March 2025
53AQI
53AQI
30th March 2025
48AQI
48AQI
31st March 2025
46AQI
46AQI
1st April 2025
55AQI
55AQI
2nd April 2025
56AQI
56AQI
3rd April 2025
62AQI
62AQI
4th April 2025
63AQI
63AQI
5th April 2025
69AQI
69AQI
6th April 2025
75AQI
75AQI
7th April 2025
76AQI
76AQI
8th April 2025
86AQI
86AQI
9th April 2025
77AQI
77AQI
10th April 2025
75AQI
75AQI
11th April 2025
70AQI
70AQI
12th April 2025
66AQI
66AQI
13th April 2025
128AQI
128AQI
14th April 2025
133AQI
133AQI
15th April 2025
133AQI
133AQI
16th April 2025
105AQI
105AQI
17th April 2025
91AQI
91AQI
18th April 2025
76AQI
76AQI
19th April 2025
66AQI
66AQI
20th April 2025
63AQI
63AQI
21st April 2025
59AQI
59AQI
22nd April 2025
63AQI
63AQI
23rd April 2025
58AQI
58AQI
24th April 2025
55AQI
55AQI
25th April 2025
64AQI
64AQI
26th April 2025
56AQI
56AQI
27th April 2025
66AQI
66AQI
28th April 2025
77AQI
77AQI
29th April 2025
67AQI
67AQI
30th April 2025
77AQI
77AQI
1st May 2025
72AQI
72AQI
2nd May 2025
82AQI
82AQI
3rd May 2025
87AQI
87AQI
4th May 2025
69AQI
69AQI
5th May 2025
64AQI
64AQI
6th May 2025
57AQI
57AQI
7th May 2025
58AQI
58AQI
8th May 2025
65AQI
65AQI
9th May 2025
57AQI
57AQI
10th May 2025
68AQI
68AQI
11th May 2025
59AQI
59AQI
12th May 2025
62AQI
62AQI
13th May 2025
65AQI
65AQI
14th May 2025
60AQI
60AQI
15th May 2025
54AQI
54AQI
16th May 2025
50AQI
50AQI
17th May 2025
48AQI
48AQI
18th May 2025
46AQI
46AQI
19th May 2025
50AQI
50AQI
20th May 2025
45AQI
45AQI
21st May 2025
50AQI
50AQI
22nd May 2025
46AQI
46AQI
23rd May 2025
50AQI
50AQI
24th May 2025
54AQI
54AQI
25th May 2025
69AQI
69AQI
26th May 2025
66AQI
66AQI
27th May 2025
71AQI
71AQI
28th May 2025
60AQI
60AQI
29th May 2025
61AQI
61AQI
30th May 2025
49AQI
49AQI
31st May 2025
62AQI
62AQI
1st June 2025
63AQI
63AQI
2nd June 2025
56AQI
56AQI
3rd June 2025
64AQI
64AQI
4th June 2025
48AQI
48AQI
5th June 2025
58AQI
58AQI
6th June 2025
57AQI
57AQI
7th June 2025
53AQI
53AQI
8th June 2025
47AQI
47AQI
9th June 2025
52AQI
52AQI
10th June 2025
42AQI
42AQI
11th June 2025
37AQI
37AQI
12th June 2025
41AQI
41AQI
13th June 2025
43AQI
43AQI
14th June 2025
49AQI
49AQI
15th June 2025
45AQI
45AQI
16th June 2025
49AQI
49AQI
17th June 2025
47AQI
47AQI
18th June 2025
46AQI
46AQI
19th June 2025
42AQI
42AQI
20th June 2025
38AQI
38AQI
21st June 2025
35AQI
35AQI
22nd June 2025
34AQI
34AQI
23rd June 2025
33AQI
33AQI
24th June 2025
34AQI
34AQI
25th June 2025
37AQI
37AQI
26th June 2025
36AQI
36AQI
27th June 2025
38AQI
38AQI
28th June 2025
36AQI
36AQI
29th June 2025
36AQI
36AQI
30th June 2025
35AQI
35AQI
1st July 2025
33AQI
33AQI
2nd July 2025
39AQI
39AQI
3rd July 2025
43AQI
43AQI
4th July 2025
50AQI
50AQI
5th July 2025
49AQI
49AQI
6th July 2025
51AQI
51AQI
7th July 2025
58AQI
58AQI
8th July 2025
43AQI
43AQI
9th July 2025
51AQI
51AQI
10th July 2025
54AQI
54AQI
11th July 2025
55AQI
55AQI
12th July 2025
55AQI
55AQI
13th July 2025
53AQI
53AQI
14th July 2025
52AQI
52AQI
15th July 2025
53AQI
53AQI
16th July 2025
53AQI
53AQI
17th July 2025
59AQI
59AQI
18th July 2025
61AQI
61AQI
19th July 2025
65AQI
65AQI
20th July 2025
40AQI
40AQI
21st July 2025
48AQI
48AQI
22nd July 2025
50AQI
50AQI
23rd July 2025
46AQI
46AQI
24th July 2025
60AQI
60AQI
25th July 2025
65AQI
65AQI
26th July 2025
66AQI
66AQI
27th July 2025
54AQI
54AQI
28th July 2025
61AQI
61AQI
29th July 2025
56AQI
56AQI
30th July 2025
64AQI
64AQI
31st July 2025
54AQI
54AQI
1st August 2025
55AQI
55AQI
90AQI
76AQI
67AQI
76AQI
60AQI
44AQI
53AQI
55AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202566AQI
21
10
1
25
2
2
29
26
4
9
22
23
7
10
21
1
45
152
16
Highest AQI recorded in
January90AQI
Lowest AQI recorded in
June44AQI
202463AQI
1
22
8
3
26
2
25
4
7
23
9
22
28
1
29
2
15
16
14
16
2
29
4
26
18
13
114
226
25
Highest AQI recorded in
December96AQI
Lowest AQI recorded in
July30AQI
202364AQI
30
1
27
1
4
24
3
29
1
1
28
2
23
7
22
8
1
12
19
20
10
6
24
1
1
28
1
25
5
90
259
15
Highest AQI recorded in
December80AQI
Lowest AQI recorded in
June47AQI
202261AQI
4
21
6
9
11
1
10
15
6
3
26
1
17
14
29
1
21
3
1
4
18
6
4
27
7
23
6
23
2
114
182
23
Highest AQI recorded in
August140AQI
Lowest AQI recorded in
June39AQI
202162AQI
22
8
1
2
26
4
25
2
5
24
1
20
11
20
9
1
22
9
20
11
17
13
12
19
2
28
2
23
5
1
126
220
17
2
Highest AQI recorded in
January91AQI
Lowest AQI recorded in
July44AQI
202053AQI
3
10
9
12
11
7
30
31
24
7
17
10
3
3
28
4
23
3
1
24
6
133
121
12
Highest AQI recorded in
December86AQI
Lowest AQI recorded in
July26AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
66AQILeast Polluted Year Recorded
2020(Avg.)
53AQIWan Chai's annual 2025 AQI (66) shows an average percentage change of 10.4% (worsened AQI) compared to previous years: 2020 (53), 2021 (62), 2022 (61), 2023 (64), 2024 (63).
