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
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
123AQILowest AQI recorded on
22nd Aug 2021
25AQISame 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: 1st Aug - 2nd Aug 2025
Hong Kong Island, Hong Kong, China
AQI
Day
Night
.
5 AM1st Aug 2025
7 PM
4 AM2nd Aug 2025
Day time
Avg. Highest Time
9AM1st Aug
56AQI
Avg. Lowest Time
2PM1st Aug
50AQI
Night time
Avg. Highest Time
11PM1st Aug
57AQI
Avg. Lowest Time
2AM2nd Aug
55AQI
In the last 24 hours,
Hong Kong Island's AQI reached its highest point of 57 at 11 PM during the Night, while the lowest point, 50, was recorded at 2 PM during the Day between 1st Aug and 2nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Hong Kong Island, Hong Kong, China
JulAug
03rd - 04th04th - 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
Day
Night
3rd Jul 2025325 AMAQI
3rd Jul 2025326 AMAQI
3rd Jul 2025327 AMAQI
3rd Jul 2025358 AMAQI
3rd Jul 2025389 AMAQI
3rd Jul 20253910 AMAQI
3rd Jul 20253911 AMAQI
3rd Jul 20253912 PMAQI
3rd Jul 2025391 PMAQI
3rd Jul 2025392 PMAQI
3rd Jul 2025393 PMAQI
3rd Jul 2025394 PMAQI
3rd Jul 2025475 PMAQI
3rd Jul 2025476 PMAQI
3rd Jul 2025477 PMAQI
3rd Jul 2025458 PMAQI
3rd Jul 2025469 PMAQI
3rd Jul 20254410 PMAQI
3rd Jul 20254211 PMAQI
4th Jul 20254112 AMAQI
4th Jul 2025341 AMAQI
4th Jul 2025332 AMAQI
4th Jul 2025343 AMAQI
4th Jul 2025364 AMAQI
29°C28/29°C
4th Jul 2025355 AMAQI
4th Jul 2025366 AMAQI
4th Jul 2025367 AMAQI
4th Jul 2025498 AMAQI
4th Jul 2025559 AMAQI
4th Jul 20255610 AMAQI
4th Jul 20255811 AMAQI
4th Jul 20255312 PMAQI
4th Jul 2025561 PMAQI
4th Jul 2025532 PMAQI
4th Jul 2025543 PMAQI
4th Jul 2025584 PMAQI
4th Jul 2025575 PMAQI
4th Jul 2025566 PMAQI
4th Jul 2025557 PMAQI
4th Jul 2025518 PMAQI
4th Jul 2025539 PMAQI
4th Jul 20255210 PMAQI
4th Jul 20254911 PMAQI
5th Jul 20254212 AMAQI
5th Jul 2025371 AMAQI
5th Jul 2025352 AMAQI
5th Jul 2025373 AMAQI
5th Jul 2025404 AMAQI
29°C28/30°C
5th Jul 2025415 AMAQI
5th Jul 2025406 AMAQI
5th Jul 2025407 AMAQI
5th Jul 2025388 AMAQI
5th Jul 2025439 AMAQI
5th Jul 20254710 AMAQI
5th Jul 20254911 AMAQI
5th Jul 20255912 PMAQI
5th Jul 2025641 PMAQI
5th Jul 2025672 PMAQI
5th Jul 2025683 PMAQI
5th Jul 2025714 PMAQI
5th Jul 2025715 PMAQI
5th Jul 2025596 PMAQI
5th Jul 2025487 PMAQI
5th Jul 2025408 PMAQI
5th Jul 2025399 PMAQI
5th Jul 20253710 PMAQI
5th Jul 20254011 PMAQI
6th Jul 20253512 AMAQI
6th Jul 2025381 AMAQI
6th Jul 2025382 AMAQI
6th Jul 2025413 AMAQI
6th Jul 2025444 AMAQI
29°C28/31°C
6th Jul 2025445 AMAQI
6th Jul 2025446 AMAQI
6th Jul 2025447 AMAQI
6th Jul 2025368 AMAQI
6th Jul 2025359 AMAQI
6th Jul 20254110 AMAQI
6th Jul 20254611 AMAQI
6th Jul 20255512 PMAQI
6th Jul 2025561 PMAQI
6th Jul 2025632 PMAQI
6th Jul 2025643 PMAQI
6th Jul 2025724 PMAQI
6th Jul 2025715 PMAQI
6th Jul 2025666 PMAQI
6th Jul 2025567 PMAQI
6th Jul 2025498 PMAQI
6th Jul 2025489 PMAQI
6th Jul 20254410 PMAQI
6th Jul 20253811 PMAQI
7th Jul 20253712 AMAQI
7th Jul 2025401 AMAQI
7th Jul 2025402 AMAQI
7th Jul 2025423 AMAQI
7th Jul 2025444 AMAQI
29°C28/31°C
7th Jul 2025435 AMAQI
7th Jul 2025446 AMAQI
7th Jul 2025437 AMAQI
7th Jul 2025618 AMAQI
7th Jul 2025679 AMAQI
7th Jul 20257210 AMAQI
7th Jul 20257711 AMAQI
7th Jul 20257412 PMAQI
7th Jul 2025751 PMAQI
7th Jul 2025732 PMAQI
7th Jul 2025763 PMAQI
7th Jul 2025744 PMAQI
7th Jul 2025705 PMAQI
7th Jul 2025636 PMAQI
7th Jul 2025567 PMAQI
7th Jul 2025468 PMAQI
7th Jul 2025469 PMAQI
7th Jul 20254510 PMAQI
7th Jul 20254111 PMAQI
8th Jul 20254012 AMAQI
8th Jul 2025431 AMAQI
8th Jul 2025422 AMAQI
8th Jul 2025463 AMAQI
8th Jul 2025524 AMAQI
30°C29/31°C
8th Jul 2025515 AMAQI
8th Jul 2025526 AMAQI
8th Jul 2025517 AMAQI
8th Jul 2025388 AMAQI
8th Jul 2025329 AMAQI
8th Jul 20253410 AMAQI
8th Jul 20253711 AMAQI
8th Jul 20253812 PMAQI
8th Jul 2025381 PMAQI
8th Jul 2025332 PMAQI
8th Jul 2025393 PMAQI
8th Jul 2025404 PMAQI
8th Jul 2025405 PMAQI
8th Jul 2025406 PMAQI
8th Jul 2025417 PMAQI
8th Jul 2025438 PMAQI
8th Jul 2025449 PMAQI
8th Jul 20254510 PMAQI
8th Jul 20254411 PMAQI
9th Jul 20254512 AMAQI
9th Jul 2025481 AMAQI
9th Jul 2025482 AMAQI
9th Jul 2025483 AMAQI
9th Jul 2025464 AMAQI
29°C29/30°C
9th Jul 2025465 AMAQI
9th Jul 2025456 AMAQI
9th Jul 2025457 AMAQI
9th Jul 2025408 AMAQI
9th Jul 2025449 AMAQI
9th Jul 20254510 AMAQI
9th Jul 20254711 AMAQI
9th Jul 20254712 PMAQI
9th Jul 2025461 PMAQI
9th Jul 2025532 PMAQI
9th Jul 2025553 PMAQI
9th Jul 2025564 PMAQI
9th Jul 2025525 PMAQI
9th Jul 2025506 PMAQI
9th Jul 2025487 PMAQI
9th Jul 2025498 PMAQI
9th Jul 2025519 PMAQI
9th Jul 20255010 PMAQI
9th Jul 20254811 PMAQI
10th Jul 20254712 AMAQI
10th Jul 2025461 AMAQI
10th Jul 2025472 AMAQI
10th Jul 2025473 AMAQI
10th Jul 2025484 AMAQI
30°C28/31°C
10th Jul 2025495 AMAQI
10th Jul 2025486 AMAQI
10th Jul 2025487 AMAQI
10th Jul 2025368 AMAQI
10th Jul 2025409 AMAQI
10th Jul 20254710 AMAQI
10th Jul 20255111 AMAQI
10th Jul 20255112 PMAQI
10th Jul 2025531 PMAQI
10th Jul 2025502 PMAQI
10th Jul 2025583 PMAQI
10th Jul 2025604 PMAQI
10th Jul 2025665 PMAQI
10th Jul 2025566 PMAQI
10th Jul 2025487 PMAQI
10th Jul 2025478 PMAQI
10th Jul 2025519 PMAQI
10th Jul 20255110 PMAQI
10th Jul 20254911 PMAQI
11th Jul 20254812 AMAQI
11th Jul 2025481 AMAQI
11th Jul 2025472 AMAQI
11th Jul 2025473 AMAQI
11th Jul 2025474 AMAQI
28°C27/29°C
11th Jul 2025495 AMAQI
11th Jul 2025506 AMAQI
11th Jul 2025507 AMAQI
11th Jul 2025488 AMAQI
11th Jul 2025429 AMAQI
11th Jul 20254310 AMAQI
11th Jul 20255211 AMAQI
11th Jul 20255612 PMAQI
11th Jul 2025601 PMAQI
11th Jul 2025602 PMAQI
11th Jul 2025563 PMAQI
11th Jul 2025564 PMAQI
11th Jul 2025555 PMAQI
11th Jul 2025536 PMAQI
11th Jul 2025547 PMAQI
11th Jul 2025538 PMAQI
11th Jul 2025569 PMAQI
11th Jul 20255610 PMAQI
11th Jul 20255711 PMAQI
12th Jul 20255712 AMAQI
12th Jul 2025511 AMAQI
12th Jul 2025492 AMAQI
12th Jul 2025493 AMAQI
12th Jul 2025504 AMAQI
27°C27/28°C
12th Jul 2025515 AMAQI
12th Jul 2025506 AMAQI
12th Jul 2025517 AMAQI
12th Jul 2025338 AMAQI
12th Jul 2025389 AMAQI
12th Jul 20254810 AMAQI
12th Jul 20255411 AMAQI
12th Jul 20255612 PMAQI
12th Jul 2025541 PMAQI
12th Jul 2025562 PMAQI
12th Jul 2025493 PMAQI
12th Jul 2025484 PMAQI
12th Jul 2025505 PMAQI
12th Jul 2025486 PMAQI
12th Jul 2025497 PMAQI
12th Jul 2025548 PMAQI
12th Jul 2025569 PMAQI
12th Jul 20255710 PMAQI
12th Jul 20255611 PMAQI
13th Jul 20255612 AMAQI
13th Jul 2025531 AMAQI
13th Jul 2025522 AMAQI
13th Jul 2025523 AMAQI
13th Jul 2025524 AMAQI
29°C28/30°C
13th Jul 2025525 AMAQI
13th Jul 2025526 AMAQI
13th Jul 2025527 AMAQI
13th Jul 2025508 AMAQI
13th Jul 2025519 AMAQI
13th Jul 20255110 AMAQI
13th Jul 20255411 AMAQI
13th Jul 20255412 PMAQI
13th Jul 2025511 PMAQI
13th Jul 2025532 PMAQI
13th Jul 2025553 PMAQI
13th Jul 2025554 PMAQI
13th Jul 2025535 PMAQI
13th Jul 2025506 PMAQI
13th Jul 2025527 PMAQI
13th Jul 2025538 PMAQI
13th Jul 2025539 PMAQI
13th Jul 20255410 PMAQI
13th Jul 20255411 PMAQI
14th Jul 20255412 AMAQI
14th Jul 2025531 AMAQI
14th Jul 2025532 AMAQI
14th Jul 2025533 AMAQI
14th Jul 2025534 AMAQI
29°C28/30°C
14th Jul 2025535 AMAQI
14th Jul 2025536 AMAQI
14th Jul 2025537 AMAQI
14th Jul 2025508 AMAQI
14th Jul 2025519 AMAQI
14th Jul 20254810 AMAQI
14th Jul 20255511 AMAQI
14th Jul 20255812 PMAQI
14th Jul 2025561 PMAQI
14th Jul 2025552 PMAQI
14th Jul 2025513 PMAQI
14th Jul 2025504 PMAQI
14th Jul 2025485 PMAQI
14th Jul 2025456 PMAQI
14th Jul 2025447 PMAQI
14th Jul 2025518 PMAQI
14th Jul 2025529 PMAQI
14th Jul 20255310 PMAQI
14th Jul 20255211 PMAQI
15th Jul 20255212 AMAQI
15th Jul 2025521 AMAQI
15th Jul 2025542 AMAQI
15th Jul 2025533 AMAQI
15th Jul 2025544 AMAQI
29°C28/30°C
15th Jul 2025545 AMAQI
15th Jul 2025536 AMAQI
15th Jul 2025537 AMAQI
15th Jul 2025418 AMAQI
15th Jul 2025459 AMAQI
15th Jul 20255310 AMAQI
15th Jul 20255011 AMAQI
15th Jul 20255012 PMAQI
15th Jul 2025481 PMAQI
15th Jul 2025492 PMAQI
15th Jul 2025523 PMAQI
15th Jul 2025544 PMAQI
15th Jul 2025525 PMAQI
15th Jul 2025506 PMAQI
15th Jul 2025487 PMAQI
15th Jul 2025528 PMAQI
15th Jul 2025549 PMAQI
15th Jul 20255510 PMAQI
15th Jul 20255311 PMAQI
16th Jul 20255312 AMAQI
16th Jul 2025531 AMAQI
16th Jul 2025532 AMAQI
16th Jul 2025533 AMAQI
16th Jul 2025534 AMAQI
29°C29/30°C
16th Jul 2025535 AMAQI
16th Jul 2025536 AMAQI
16th Jul 2025537 AMAQI
16th Jul 2025448 AMAQI
16th Jul 2025449 AMAQI
16th Jul 20254410 AMAQI
16th Jul 20255011 AMAQI
16th Jul 20255112 PMAQI
16th Jul 2025501 PMAQI
16th Jul 2025502 PMAQI
16th Jul 2025483 PMAQI
16th Jul 2025494 PMAQI
16th Jul 2025495 PMAQI
16th Jul 2025506 PMAQI
16th Jul 2025497 PMAQI
16th Jul 2025528 PMAQI
16th Jul 2025529 PMAQI
16th Jul 20255410 PMAQI
16th Jul 20255311 PMAQI
17th Jul 20255212 AMAQI
17th Jul 2025531 AMAQI
17th Jul 2025532 AMAQI
17th Jul 2025533 AMAQI
17th Jul 2025534 AMAQI
29°C29/30°C
17th Jul 2025535 AMAQI
17th Jul 2025536 AMAQI
17th Jul 2025537 AMAQI
17th Jul 2025488 AMAQI
17th Jul 2025559 AMAQI
17th Jul 20255210 AMAQI
17th Jul 20255411 AMAQI
17th Jul 20255512 PMAQI
17th Jul 2025561 PMAQI
17th Jul 2025602 PMAQI
17th Jul 2025623 PMAQI
17th Jul 2025614 PMAQI
17th Jul 2025615 PMAQI
17th Jul 2025606 PMAQI
17th Jul 2025587 PMAQI
17th Jul 2025568 PMAQI
17th Jul 2025589 PMAQI
17th Jul 20256110 PMAQI
17th Jul 20256011 PMAQI
18th Jul 20255912 AMAQI
18th Jul 2025541 AMAQI
18th Jul 2025522 AMAQI
18th Jul 2025533 AMAQI
18th Jul 2025534 AMAQI
30°C29/31°C
18th Jul 2025545 AMAQI
18th Jul 2025536 AMAQI
18th Jul 2025537 AMAQI
18th Jul 2025528 AMAQI
18th Jul 2025589 AMAQI
18th Jul 20256210 AMAQI
18th Jul 20256711 AMAQI
18th Jul 20257012 PMAQI
18th Jul 2025721 PMAQI
18th Jul 2025602 PMAQI
18th Jul 2025543 PMAQI
18th Jul 2025554 PMAQI
18th Jul 2025565 PMAQI
18th Jul 2025596 PMAQI
18th Jul 2025607 PMAQI
18th Jul 2025588 PMAQI
18th Jul 2025589 PMAQI
18th Jul 20255810 PMAQI
18th Jul 20256011 PMAQI
19th Jul 20256212 AMAQI
19th Jul 2025551 AMAQI
19th Jul 2025542 AMAQI
19th Jul 2025553 AMAQI
19th Jul 2025564 AMAQI
30°C29/32°C
19th Jul 2025565 AMAQI
19th Jul 2025566 AMAQI
19th Jul 2025567 AMAQI
19th Jul 2025788 AMAQI
19th Jul 2025849 AMAQI
19th Jul 20258110 AMAQI
19th Jul 20257811 AMAQI
19th Jul 20257812 PMAQI
19th Jul 2025761 PMAQI
19th Jul 2025712 PMAQI
19th Jul 2025773 PMAQI
19th Jul 2025734 PMAQI
19th Jul 2025685 PMAQI
19th Jul 2025666 PMAQI
19th Jul 2025597 PMAQI
19th Jul 2025578 PMAQI
19th Jul 2025579 PMAQI
19th Jul 20255310 PMAQI
19th Jul 20255211 PMAQI
20th Jul 20255412 AMAQI
20th Jul 2025561 AMAQI
20th Jul 2025562 AMAQI
20th Jul 2025583 AMAQI
20th Jul 2025604 AMAQI
29°C27/32°C
20th Jul 2025605 AMAQI
20th Jul 2025606 AMAQI
20th Jul 2025617 AMAQI
20th Jul 2025408 AMAQI
20th Jul 2025179 AMAQI
20th Jul 20251910 AMAQI
20th Jul 20251911 AMAQI
20th Jul 20252212 PMAQI
20th Jul 2025301 PMAQI
20th Jul 2025292 PMAQI
20th Jul 2025203 PMAQI
20th Jul 2025294 PMAQI
20th Jul 2025205 PMAQI
20th Jul 2025196 PMAQI
20th Jul 2025287 PMAQI
20th Jul 2025428 PMAQI
20th Jul 2025419 PMAQI
20th Jul 20254210 PMAQI
20th Jul 20254311 PMAQI
21st Jul 20254612 AMAQI
21st Jul 2025561 AMAQI
21st Jul 2025572 AMAQI
21st Jul 2025563 AMAQI
21st Jul 2025534 AMAQI
28°C27/28°C
21st Jul 2025535 AMAQI
21st Jul 2025536 AMAQI
21st Jul 2025537 AMAQI
21st Jul 2025388 AMAQI
21st Jul 2025339 AMAQI
21st Jul 20254010 AMAQI
21st Jul 20254311 AMAQI
21st Jul 20254012 PMAQI
21st Jul 2025441 PMAQI
21st Jul 2025492 PMAQI
21st Jul 2025463 PMAQI
21st Jul 2025404 PMAQI
21st Jul 2025415 PMAQI
21st Jul 2025376 PMAQI
21st Jul 2025447 PMAQI
21st Jul 2025468 PMAQI
21st Jul 2025479 PMAQI
21st Jul 20254810 PMAQI
21st Jul 20254611 PMAQI
22nd Jul 20254612 AMAQI
22nd Jul 2025531 AMAQI
22nd Jul 2025542 AMAQI
22nd Jul 2025533 AMAQI
22nd Jul 2025524 AMAQI
28°C28/28°C
22nd Jul 2025525 AMAQI
22nd Jul 2025526 AMAQI
22nd Jul 2025527 AMAQI
22nd Jul 2025328 AMAQI
22nd Jul 2025289 AMAQI
22nd Jul 20253210 AMAQI
22nd Jul 20253911 AMAQI
22nd Jul 20254912 PMAQI
22nd Jul 2025491 PMAQI
22nd Jul 2025532 PMAQI
22nd Jul 2025533 PMAQI
22nd Jul 2025524 PMAQI
22nd Jul 2025465 PMAQI
22nd Jul 2025466 PMAQI
22nd Jul 2025517 PMAQI
22nd Jul 2025508 PMAQI
22nd Jul 2025459 PMAQI
22nd Jul 20254510 PMAQI
22nd Jul 20254211 PMAQI
23rd Jul 20254212 AMAQI
23rd Jul 2025511 AMAQI
23rd Jul 2025522 AMAQI
23rd Jul 2025523 AMAQI
23rd Jul 2025514 AMAQI
28°C27/29°C
23rd Jul 2025515 AMAQI
23rd Jul 2025516 AMAQI
23rd Jul 2025517 AMAQI
23rd Jul 2025338 AMAQI
23rd Jul 2025309 AMAQI
23rd Jul 20253610 AMAQI
23rd Jul 20254111 AMAQI
23rd Jul 20254412 PMAQI
23rd Jul 2025451 PMAQI
23rd Jul 2025412 PMAQI
23rd Jul 2025393 PMAQI
23rd Jul 2025384 PMAQI
23rd Jul 2025365 PMAQI
23rd Jul 2025366 PMAQI
23rd Jul 2025407 PMAQI
23rd Jul 2025488 PMAQI
23rd Jul 2025499 PMAQI
23rd Jul 20254910 PMAQI
23rd Jul 20254911 PMAQI
24th Jul 20255012 AMAQI
24th Jul 2025501 AMAQI
24th Jul 2025502 AMAQI
24th Jul 2025493 AMAQI
24th Jul 2025484 AMAQI
28°C27/29°C
24th Jul 2025485 AMAQI
24th Jul 2025486 AMAQI
24th Jul 2025487 AMAQI
24th Jul 2025458 AMAQI
24th Jul 2025549 AMAQI
24th Jul 20256110 AMAQI
24th Jul 20256211 AMAQI
24th Jul 20256312 PMAQI
24th Jul 2025681 PMAQI
24th Jul 2025682 PMAQI
24th Jul 2025713 PMAQI
24th Jul 2025654 PMAQI
24th Jul 2025555 PMAQI
24th Jul 2025626 PMAQI
24th Jul 2025607 PMAQI
24th Jul 2025558 PMAQI
24th Jul 2025579 PMAQI
24th Jul 20255710 PMAQI
24th Jul 20255911 PMAQI
25th Jul 20255912 AMAQI
25th Jul 2025511 AMAQI
25th Jul 2025492 AMAQI
25th Jul 2025513 AMAQI
25th Jul 2025534 AMAQI
29°C27/30°C
25th Jul 2025535 AMAQI
25th Jul 2025526 AMAQI
25th Jul 2025537 AMAQI
25th Jul 2025548 AMAQI
25th Jul 2025589 AMAQI
25th Jul 20255510 AMAQI
25th Jul 20255411 AMAQI
25th Jul 20256412 PMAQI
25th Jul 2025721 PMAQI
25th Jul 2025872 PMAQI
25th Jul 2025863 PMAQI
25th Jul 2025864 PMAQI
25th Jul 2025825 PMAQI
25th Jul 2025846 PMAQI
25th Jul 2025757 PMAQI
25th Jul 2025638 PMAQI
25th Jul 2025599 PMAQI
25th Jul 20255510 PMAQI
25th Jul 20255211 PMAQI
26th Jul 20255112 AMAQI
26th Jul 2025531 AMAQI
26th Jul 2025532 AMAQI
26th Jul 2025543 AMAQI
26th Jul 2025564 AMAQI
29°C28/31°C
26th Jul 2025565 AMAQI
26th Jul 2025566 AMAQI
26th Jul 2025567 AMAQI
26th Jul 2025578 AMAQI
26th Jul 2025619 AMAQI
26th Jul 20256210 AMAQI
26th Jul 20256811 AMAQI
26th Jul 20256812 PMAQI
26th Jul 2025721 PMAQI
26th Jul 2025792 PMAQI
26th Jul 2025763 PMAQI
26th Jul 2025824 PMAQI
26th Jul 2025815 PMAQI
26th Jul 2025796 PMAQI
26th Jul 2025697 PMAQI
26th Jul 2025628 PMAQI
26th Jul 2025629 PMAQI
26th Jul 20256210 PMAQI
26th Jul 20256211 PMAQI
27th Jul 20255812 AMAQI
27th Jul 2025551 AMAQI
27th Jul 2025542 AMAQI
27th Jul 2025553 AMAQI
27th Jul 2025574 AMAQI
29°C28/31°C
27th Jul 2025575 AMAQI
27th Jul 2025576 AMAQI
27th Jul 2025577 AMAQI
27th Jul 2025608 AMAQI
27th Jul 2025599 AMAQI
27th Jul 20255910 AMAQI
27th Jul 20255111 AMAQI
27th Jul 20255012 PMAQI
27th Jul 2025541 PMAQI
27th Jul 2025542 PMAQI
27th Jul 2025593 PMAQI
27th Jul 2025624 PMAQI
27th Jul 2025585 PMAQI
27th Jul 2025436 PMAQI
27th Jul 2025467 PMAQI
27th Jul 2025528 PMAQI
27th Jul 2025529 PMAQI
27th Jul 20255210 PMAQI
27th Jul 20255011 PMAQI
28th Jul 20254912 AMAQI
28th Jul 2025541 AMAQI
28th Jul 2025562 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 2025378 AMAQI
28th Jul 2025329 AMAQI
28th Jul 20254210 AMAQI
28th Jul 20255311 AMAQI
28th Jul 20255512 PMAQI
28th Jul 2025601 PMAQI
28th Jul 2025672 PMAQI
28th Jul 2025793 PMAQI
28th Jul 2025804 PMAQI
28th Jul 2025795 PMAQI
28th Jul 2025716 PMAQI
28th Jul 2025677 PMAQI
28th Jul 2025638 PMAQI
28th Jul 2025649 PMAQI
28th Jul 20256310 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 2025565 AMAQI
29th Jul 2025556 AMAQI
29th Jul 2025557 AMAQI
29th Jul 2025478 AMAQI
29th Jul 2025479 AMAQI
29th Jul 20254010 AMAQI
29th Jul 20253311 AMAQI
29th Jul 20253712 PMAQI
29th Jul 2025451 PMAQI
29th Jul 2025512 PMAQI
29th Jul 2025583 PMAQI
29th Jul 2025614 PMAQI
29th Jul 2025605 PMAQI
29th Jul 2025576 PMAQI
29th Jul 2025587 PMAQI
29th Jul 2025608 PMAQI
29th Jul 2025589 PMAQI
29th Jul 20255810 PMAQI
29th Jul 20255711 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 2025555 AMAQI
30th Jul 2025546 AMAQI
30th Jul 2025547 AMAQI
30th Jul 2025578 AMAQI
30th Jul 2025639 AMAQI
30th Jul 20257010 AMAQI
30th Jul 20257211 AMAQI
30th Jul 20257712 PMAQI
30th Jul 2025751 PMAQI
30th Jul 2025842 PMAQI
30th Jul 2025813 PMAQI
30th Jul 2025744 PMAQI
30th Jul 2025655 PMAQI
30th Jul 2025616 PMAQI
30th Jul 2025607 PMAQI
30th Jul 2025598 PMAQI
30th Jul 2025589 PMAQI
30th Jul 20255910 PMAQI
30th Jul 20255911 PMAQI
31st Jul 20255812 AMAQI
31st Jul 2025561 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 20254810 AMAQI
31st Jul 20254511 AMAQI
31st Jul 20254512 PMAQI
31st Jul 2025471 PMAQI
31st Jul 2025442 PMAQI
31st Jul 2025453 PMAQI
31st Jul 2025474 PMAQI
31st Jul 2025495 PMAQI
31st Jul 2025506 PMAQI
31st Jul 2025527 PMAQI
31st Jul 2025568 PMAQI
31st Jul 2025579 PMAQI
31st Jul 20255910 PMAQI
31st Jul 20255711 PMAQI
1st Aug 20255612 AMAQI
1st Aug 2025571 AMAQI
1st Aug 2025572 AMAQI
1st Aug 2025553 AMAQI
1st Aug 2025554 AMAQI
29°C28/29°C
1st Aug 2025555 AMAQI
1st Aug 2025556 AMAQI
1st Aug 2025557 AMAQI
1st Aug 2025538 AMAQI
1st Aug 2025569 AMAQI
1st Aug 20255210 AMAQI
1st Aug 20255411 AMAQI
1st Aug 20255312 PMAQI
1st Aug 2025541 PMAQI
1st Aug 2025502 PMAQI
1st Aug 2025563 PMAQI
1st Aug 2025534 PMAQI
1st Aug 2025525 PMAQI
1st Aug 2025546 PMAQI
1st Aug 2025547 PMAQI
1st Aug 2025568 PMAQI
1st Aug 2025569 PMAQI
1st Aug 20255510 PMAQI
1st Aug 20255711 PMAQI
2nd Aug 20255512 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
5 AM2nd Aug 2025576 AMAQI
2nd Aug 2025567 AMAQI
2nd Aug 2025538 AMAQI
2nd Aug 2025489 AMAQI
2nd Aug 20255110 AMAQI
2nd Aug 20255111 AMAQI
2nd Aug 20254712 PMAQI
12 PM2nd Aug 2025501 PMAQI
2nd Aug 2025492 PMAQI
2nd Aug 2025463 PMAQI
2nd Aug 2025444 PMAQI
2nd Aug 2025505 PMAQI
2nd Aug 2025486 PMAQI
2nd Aug 2025507 PMAQI
7 PM2nd Aug 2025588 PMAQI
2nd Aug 2025599 PMAQI
2nd Aug 20255810 PMAQI
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
11 AM - 7 PM
55AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
8 AM - 10 AM
47AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 7 PM (Avg. 55), while the lowest AQI was between 8 AM to 10 AM (Avg. 47).
Night time
Avg. Highest Time
12 AM - 11 PM
51AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
51AQI
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. 51), while the lowest AQI was between 12 AM to 11 PM (Avg. 51).
2025 Days Vs Air Quality
Hong Kong Island, Hong Kong, China
2025
25%
54
68%
144
7%
15
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Good
54 DaysModerate
144 DaysPoor
15 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 25%
Health Risk Level:
Very high
In 2025, 25% of 214 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
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
111AQI
111AQI
2nd January 2025
137AQI
137AQI
3rd January 2025
104AQI
104AQI
4th January 2025
106AQI
106AQI
5th January 2025
101AQI
101AQI
6th January 2025
103AQI
103AQI
7th January 2025
92AQI
92AQI
8th January 2025
102AQI
102AQI
9th January 2025
107AQI
107AQI
10th January 2025
85AQI
85AQI
11th January 2025
94AQI
94AQI
12th January 2025
70AQI
70AQI
13th January 2025
75AQI
75AQI
14th January 2025
70AQI
70AQI
15th January 2025
82AQI
82AQI
16th January 2025
111AQI
111AQI
17th January 2025
89AQI
89AQI
18th January 2025
100AQI
100AQI
19th January 2025
93AQI
93AQI
20th January 2025
92AQI
92AQI
21st January 2025
87AQI
87AQI
22nd January 2025
87AQI
87AQI
23rd January 2025
79AQI
79AQI
24th January 2025
70AQI
70AQI
25th January 2025
62AQI
62AQI
26th January 2025
55AQI
55AQI
27th January 2025
58AQI
58AQI
28th January 2025
59AQI
59AQI
29th January 2025
85AQI
85AQI
30th January 2025
63AQI
63AQI
31st January 2025
64AQI
64AQI
1st February 2025
53AQI
53AQI
2nd February 2025
59AQI
59AQI
3rd February 2025
42AQI
42AQI
4th February 2025
50AQI
50AQI
5th February 2025
76AQI
76AQI
6th February 2025
65AQI
65AQI
7th February 2025
63AQI
63AQI
8th February 2025
66AQI
66AQI
9th February 2025
59AQI
59AQI
10th February 2025
61AQI
61AQI
11th February 2025
60AQI
60AQI
12th February 2025
57AQI
57AQI
13th February 2025
85AQI
85AQI
14th February 2025
82AQI
82AQI
15th February 2025
82AQI
82AQI
16th February 2025
116AQI
116AQI
17th February 2025
89AQI
89AQI
18th February 2025
123AQI
123AQI
19th February 2025
75AQI
75AQI
20th February 2025
86AQI
86AQI
21st February 2025
81AQI
81AQI
22nd February 2025
72AQI
72AQI
23rd February 2025
56AQI
56AQI
24th February 2025
59AQI
59AQI
25th February 2025
83AQI
83AQI
26th February 2025
92AQI
92AQI
27th February 2025
78AQI
78AQI
28th February 2025
75AQI
75AQI
1st March 2025
74AQI
74AQI
2nd March 2025
67AQI
67AQI
3rd March 2025
63AQI
63AQI
4th March 2025
60AQI
60AQI
5th March 2025
51AQI
51AQI
6th March 2025
47AQI
47AQI
7th March 2025
55AQI
55AQI
8th March 2025
63AQI
63AQI
9th March 2025
64AQI
64AQI
10th March 2025
69AQI
69AQI
11th March 2025
69AQI
69AQI
12th March 2025
64AQI
64AQI
13th March 2025
72AQI
72AQI
14th March 2025
66AQI
66AQI
15th March 2025
58AQI
58AQI
16th March 2025
46AQI
46AQI
17th March 2025
73AQI
73AQI
18th March 2025
67AQI
67AQI
19th March 2025
74AQI
74AQI
20th March 2025
76AQI
76AQI
21st March 2025
79AQI
79AQI
22nd March 2025
75AQI
75AQI
23rd March 2025
77AQI
77AQI
24th March 2025
81AQI
81AQI
25th March 2025
76AQI
76AQI
26th March 2025
63AQI
63AQI
27th March 2025
63AQI
63AQI
28th March 2025
68AQI
68AQI
29th March 2025
50AQI
50AQI
30th March 2025
44AQI
44AQI
31st March 2025
44AQI
44AQI
1st April 2025
53AQI
53AQI
2nd April 2025
54AQI
54AQI
3rd April 2025
61AQI
61AQI
4th April 2025
63AQI
63AQI
5th April 2025
64AQI
64AQI
6th April 2025
74AQI
74AQI
7th April 2025
75AQI
75AQI
8th April 2025
83AQI
83AQI
9th April 2025
72AQI
72AQI
10th April 2025
71AQI
71AQI
11th April 2025
66AQI
66AQI
12th April 2025
62AQI
62AQI
13th April 2025
126AQI
126AQI
14th April 2025
132AQI
132AQI
15th April 2025
132AQI
132AQI
16th April 2025
104AQI
104AQI
17th April 2025
89AQI
89AQI
18th April 2025
76AQI
76AQI
19th April 2025
65AQI
65AQI
20th April 2025
61AQI
61AQI
21st April 2025
58AQI
58AQI
22nd April 2025
61AQI
61AQI
23rd April 2025
56AQI
56AQI
24th April 2025
52AQI
52AQI
25th April 2025
59AQI
59AQI
26th April 2025
54AQI
54AQI
27th April 2025
64AQI
64AQI
28th April 2025
73AQI
73AQI
29th April 2025
66AQI
66AQI
30th April 2025
75AQI
75AQI
1st May 2025
69AQI
69AQI
2nd May 2025
79AQI
79AQI
3rd May 2025
84AQI
84AQI
4th May 2025
67AQI
67AQI
5th May 2025
63AQI
63AQI
6th May 2025
57AQI
57AQI
7th May 2025
56AQI
56AQI
8th May 2025
64AQI
64AQI
9th May 2025
53AQI
53AQI
10th May 2025
64AQI
64AQI
11th May 2025
58AQI
58AQI
12th May 2025
62AQI
62AQI
13th May 2025
65AQI
65AQI
14th May 2025
59AQI
59AQI
15th May 2025
52AQI
52AQI
16th May 2025
46AQI
46AQI
17th May 2025
43AQI
43AQI
18th May 2025
44AQI
44AQI
19th May 2025
48AQI
48AQI
20th May 2025
42AQI
42AQI
21st May 2025
49AQI
49AQI
22nd May 2025
44AQI
44AQI
23rd May 2025
47AQI
47AQI
24th May 2025
52AQI
52AQI
25th May 2025
69AQI
69AQI
26th May 2025
66AQI
66AQI
27th May 2025
72AQI
72AQI
28th May 2025
61AQI
61AQI
29th May 2025
61AQI
61AQI
30th May 2025
49AQI
49AQI
31st May 2025
63AQI
63AQI
1st June 2025
64AQI
64AQI
2nd June 2025
56AQI
56AQI
3rd June 2025
62AQI
62AQI
4th June 2025
47AQI
47AQI
5th June 2025
57AQI
57AQI
6th June 2025
56AQI
56AQI
7th June 2025
50AQI
50AQI
8th June 2025
45AQI
45AQI
9th June 2025
48AQI
48AQI
10th June 2025
40AQI
40AQI
11th June 2025
36AQI
36AQI
12th June 2025
38AQI
38AQI
13th June 2025
39AQI
39AQI
14th June 2025
45AQI
45AQI
15th June 2025
43AQI
43AQI
16th June 2025
45AQI
45AQI
17th June 2025
44AQI
44AQI
18th June 2025
43AQI
43AQI
19th June 2025
40AQI
40AQI
20th June 2025
37AQI
37AQI
21st June 2025
33AQI
33AQI
22nd June 2025
30AQI
30AQI
23rd June 2025
31AQI
31AQI
24th June 2025
31AQI
31AQI
25th June 2025
34AQI
34AQI
26th June 2025
32AQI
32AQI
27th June 2025
34AQI
34AQI
28th June 2025
33AQI
33AQI
29th June 2025
33AQI
33AQI
30th June 2025
32AQI
32AQI
1st July 2025
32AQI
32AQI
2nd July 2025
35AQI
35AQI
3rd July 2025
39AQI
39AQI
4th July 2025
47AQI
47AQI
5th July 2025
47AQI
47AQI
6th July 2025
48AQI
48AQI
7th July 2025
54AQI
54AQI
8th July 2025
42AQI
42AQI
9th July 2025
48AQI
48AQI
10th July 2025
50AQI
50AQI
11th July 2025
51AQI
51AQI
12th July 2025
51AQI
51AQI
13th July 2025
53AQI
53AQI
14th July 2025
52AQI
52AQI
15th July 2025
52AQI
52AQI
16th July 2025
51AQI
51AQI
17th July 2025
56AQI
56AQI
18th July 2025
58AQI
58AQI
19th July 2025
63AQI
63AQI
20th July 2025
40AQI
40AQI
21st July 2025
47AQI
47AQI
22nd July 2025
48AQI
48AQI
23rd July 2025
44AQI
44AQI
24th July 2025
55AQI
55AQI
25th July 2025
62AQI
62AQI
26th July 2025
63AQI
63AQI
27th July 2025
54AQI
54AQI
28th July 2025
60AQI
60AQI
29th July 2025
54AQI
54AQI
30th July 2025
61AQI
61AQI
31st July 2025
53AQI
53AQI
1st August 2025
55AQI
55AQI
87AQI
73AQI
64AQI
73AQI
58AQI
42AQI
51AQI
55AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202564AQI
22
9
2
24
2
5
26
26
4
9
22
25
5
13
18
1
54
144
15
Highest AQI recorded in
January87AQI
Lowest AQI recorded in
June42AQI
202460AQI
2
20
9
3
26
2
26
3
11
19
12
19
28
1
29
2
23
8
19
11
2
29
7
23
20
11
138
204
23
Highest AQI recorded in
December93AQI
Lowest AQI recorded in
July31AQI
202360AQI
2
28
1
3
23
2
4
24
3
2
28
6
23
2
25
5
26
5
26
5
23
7
7
24
4
25
4
24
3
132
221
11
Highest AQI recorded in
December77AQI
Lowest AQI recorded in
July40AQI
202259AQI
5
21
5
9
11
1
9
17
5
6
24
18
13
30
24
1
1
4
18
6
6
25
10
20
9
20
2
130
170
20
Highest AQI recorded in
August123AQI
Lowest AQI recorded in
June35AQI
202160AQI
23
7
1
2
26
3
26
2
4
25
1
22
9
23
6
1
25
6
24
7
17
13
11
20
3
27
2
22
7
136
210
18
1
Highest AQI recorded in
January89AQI
Lowest AQI recorded in
July42AQI
202054AQI
2
11
6
15
11
7
30
31
23
8
13
15
2
1
30
3
27
25
6
120
138
8
Highest AQI recorded in
December85AQI
Lowest AQI recorded in
July27AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
64AQILeast Polluted Year Recorded
2020(Avg.)
54AQIHong Kong Island's annual 2025 AQI (64) shows an average percentage change of 9.2% (worsened AQI) compared to previous years: 2020 (54), 2021 (60), 2022 (59), 2023 (60), 2024 (60).
