Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

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

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
31st Aug 2022
123AQI
Lowest AQI recorded on
4th Aug 2023
30AQI

Same Day Analysis (17th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 58 of Moderate air quality, showing improvement over 2023 on the same day.

Day & Night AQI Trend: 16th Aug - 17th Aug 2026

Hong Kong Island, Hong Kong, China

AQI
Day
Night
.

5 AM16th Aug 2026

7 PM

4 AM17th Aug 2026

Day time
Avg. Highest Time
11AM16th Aug

73AQI

Avg. Lowest Time
7AM16th Aug

53AQI

Night time
Avg. Highest Time
7PM16th Aug

68AQI

Avg. Lowest Time
4AM17th Aug

38AQI

In the last 24 hours,

Hong Kong Island's AQI reached its highest point of 73 at 11 AM during the Day, while the lowest point, 38, was recorded at 4 AM during the Night between 16th Aug and 17th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Hong Kong Island, Hong Kong, China

JulAug
19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th
Day
Night
19th Jul 2026305 AMAQI
19th Jul 2026306 AMAQI
19th Jul 2026347 AMAQI
19th Jul 2026318 AMAQI
19th Jul 2026529 AMAQI
19th Jul 20265110 AMAQI
19th Jul 20265311 AMAQI
19th Jul 20265512 PMAQI
19th Jul 2026461 PMAQI
19th Jul 2026332 PMAQI
19th Jul 2026333 PMAQI
19th Jul 2026474 PMAQI
19th Jul 2026445 PMAQI
19th Jul 2026536 PMAQI
19th Jul 2026547 PMAQI
19th Jul 2026608 PMAQI
19th Jul 2026649 PMAQI
19th Jul 20266510 PMAQI
19th Jul 20266411 PMAQI
20th Jul 20266012 AMAQI
20th Jul 2026501 AMAQI
20th Jul 2026512 AMAQI
20th Jul 2026463 AMAQI
20th Jul 2026484 AMAQI

28°C27/29°C

20th Jul 2026495 AMAQI
20th Jul 2026526 AMAQI
20th Jul 2026547 AMAQI
20th Jul 2026528 AMAQI
20th Jul 2026539 AMAQI
20th Jul 20264610 AMAQI
20th Jul 20264611 AMAQI
20th Jul 20265212 PMAQI
20th Jul 2026501 PMAQI
20th Jul 2026442 PMAQI
20th Jul 2026493 PMAQI
20th Jul 2026544 PMAQI
20th Jul 2026635 PMAQI
20th Jul 2026586 PMAQI
20th Jul 2026687 PMAQI
20th Jul 2026718 PMAQI
20th Jul 2026749 PMAQI
20th Jul 20267110 PMAQI
20th Jul 20267211 PMAQI
21st Jul 20267312 AMAQI
21st Jul 2026701 AMAQI
21st Jul 2026632 AMAQI
21st Jul 2026663 AMAQI
21st Jul 2026634 AMAQI

28°C27/29°C

21st Jul 2026645 AMAQI
21st Jul 2026626 AMAQI
21st Jul 2026617 AMAQI
21st Jul 2026648 AMAQI
21st Jul 2026649 AMAQI
21st Jul 20266210 AMAQI
21st Jul 20266412 PMAQI
21st Jul 2026651 PMAQI
21st Jul 2026642 PMAQI
21st Jul 2026603 PMAQI
21st Jul 2026614 PMAQI
21st Jul 2026595 PMAQI
21st Jul 2026906 PMAQI
21st Jul 2026577 PMAQI
21st Jul 2026568 PMAQI
21st Jul 2026659 PMAQI
21st Jul 20266610 PMAQI
21st Jul 20266811 PMAQI
22nd Jul 20267412 AMAQI
22nd Jul 2026741 AMAQI
22nd Jul 2026732 AMAQI
22nd Jul 2026723 AMAQI
22nd Jul 2026644 AMAQI

28°C27/29°C

22nd Jul 2026625 AMAQI
22nd Jul 2026606 AMAQI
22nd Jul 2026637 AMAQI
22nd Jul 2026668 AMAQI
22nd Jul 2026649 AMAQI
22nd Jul 20266010 AMAQI
22nd Jul 20266111 AMAQI
22nd Jul 20266312 PMAQI
22nd Jul 2026651 PMAQI
22nd Jul 2026622 PMAQI
22nd Jul 2026623 PMAQI
22nd Jul 2026644 PMAQI
22nd Jul 2026605 PMAQI
22nd Jul 2026566 PMAQI
22nd Jul 2026457 PMAQI
22nd Jul 2026598 PMAQI
22nd Jul 2026599 PMAQI
22nd Jul 20266010 PMAQI
22nd Jul 20266311 PMAQI
23rd Jul 20266212 AMAQI
23rd Jul 2026581 AMAQI
23rd Jul 2026592 AMAQI
23rd Jul 2026593 AMAQI
23rd Jul 2026554 AMAQI

28°C27/29°C

23rd Jul 2026525 AMAQI
23rd Jul 2026466 AMAQI
23rd Jul 2026537 AMAQI
23rd Jul 2026578 AMAQI
23rd Jul 2026649 AMAQI
23rd Jul 20266710 AMAQI
23rd Jul 20266911 AMAQI
23rd Jul 20266812 PMAQI
23rd Jul 2026641 PMAQI
23rd Jul 2026662 PMAQI
23rd Jul 2026663 PMAQI
23rd Jul 2026644 PMAQI
23rd Jul 2026605 PMAQI
23rd Jul 2026566 PMAQI
23rd Jul 2026587 PMAQI
23rd Jul 2026608 PMAQI
23rd Jul 2026699 PMAQI
23rd Jul 20267210 PMAQI
23rd Jul 20266411 PMAQI
24th Jul 20266012 AMAQI
24th Jul 2026601 AMAQI
24th Jul 2026592 AMAQI
24th Jul 2026583 AMAQI
24th Jul 2026534 AMAQI

28°C27/30°C

24th Jul 2026515 AMAQI
24th Jul 2026486 AMAQI
24th Jul 2026507 AMAQI
24th Jul 2026508 AMAQI
24th Jul 2026509 AMAQI
24th Jul 20265110 AMAQI
24th Jul 20265811 AMAQI
24th Jul 20266312 PMAQI
24th Jul 2026611 PMAQI
24th Jul 2026592 PMAQI
24th Jul 2026613 PMAQI
24th Jul 2026674 PMAQI
24th Jul 2026705 PMAQI
24th Jul 2026646 PMAQI
24th Jul 2026627 PMAQI
24th Jul 2026648 PMAQI
24th Jul 2026689 PMAQI
24th Jul 20267210 PMAQI
24th Jul 20267411 PMAQI
25th Jul 20267812 AMAQI
25th Jul 2026751 AMAQI
25th Jul 2026732 AMAQI
25th Jul 2026803 AMAQI
25th Jul 2026804 AMAQI

28°C27/30°C

25th Jul 2026825 AMAQI
25th Jul 2026796 AMAQI
25th Jul 2026787 AMAQI
25th Jul 2026808 AMAQI
25th Jul 2026699 AMAQI
25th Jul 20266110 AMAQI
25th Jul 20266111 AMAQI
25th Jul 20266812 PMAQI
25th Jul 2026761 PMAQI
25th Jul 2026892 PMAQI
25th Jul 2026963 PMAQI
25th Jul 2026974 PMAQI
25th Jul 2026815 PMAQI
25th Jul 2026816 PMAQI
25th Jul 2026577 PMAQI
25th Jul 2026278 PMAQI
25th Jul 2026299 PMAQI
25th Jul 20263010 PMAQI
25th Jul 20263111 PMAQI
26th Jul 20263012 AMAQI
26th Jul 2026341 AMAQI
26th Jul 2026302 AMAQI
26th Jul 2026223 AMAQI
26th Jul 2026194 AMAQI

28°C27/30°C

26th Jul 2026225 AMAQI
26th Jul 2026256 AMAQI
26th Jul 2026257 AMAQI
26th Jul 2026238 AMAQI
26th Jul 2026229 AMAQI
26th Jul 20261610 AMAQI
26th Jul 20261411 AMAQI
26th Jul 20261512 PMAQI
26th Jul 2026141 PMAQI
26th Jul 2026142 PMAQI
26th Jul 2026183 PMAQI
26th Jul 2026254 PMAQI
26th Jul 2026365 PMAQI
26th Jul 2026366 PMAQI
26th Jul 2026287 PMAQI
26th Jul 2026228 PMAQI
26th Jul 2026209 PMAQI
26th Jul 20261810 PMAQI
26th Jul 20262511 PMAQI
27th Jul 20262912 AMAQI
27th Jul 2026291 AMAQI
27th Jul 2026272 AMAQI
27th Jul 2026243 AMAQI
27th Jul 2026254 AMAQI

26°C25/27°C

27th Jul 2026235 AMAQI
27th Jul 2026226 AMAQI
27th Jul 2026207 AMAQI
27th Jul 2026218 AMAQI
27th Jul 2026239 AMAQI
27th Jul 20262410 AMAQI
27th Jul 20263011 AMAQI
27th Jul 20264412 PMAQI
27th Jul 2026461 PMAQI
27th Jul 2026442 PMAQI
27th Jul 2026443 PMAQI
27th Jul 2026504 PMAQI
27th Jul 2026545 PMAQI
27th Jul 2026566 PMAQI
27th Jul 2026597 PMAQI
27th Jul 2026608 PMAQI
27th Jul 2026639 PMAQI
27th Jul 20266410 PMAQI
27th Jul 20265411 PMAQI
28th Jul 20264912 AMAQI
28th Jul 2026451 AMAQI
28th Jul 2026362 AMAQI
28th Jul 2026283 AMAQI
28th Jul 2026234 AMAQI

27°C26/28°C

28th Jul 2026245 AMAQI
28th Jul 2026246 AMAQI
28th Jul 2026257 AMAQI
28th Jul 2026268 AMAQI
28th Jul 2026249 AMAQI
28th Jul 20262410 AMAQI
28th Jul 20262611 AMAQI
28th Jul 20263812 PMAQI
28th Jul 2026541 PMAQI
28th Jul 2026602 PMAQI
28th Jul 2026513 PMAQI
28th Jul 2026574 PMAQI
28th Jul 2026505 PMAQI
28th Jul 2026366 PMAQI
28th Jul 2026427 PMAQI
28th Jul 2026458 PMAQI
28th Jul 2026549 PMAQI
28th Jul 20266210 PMAQI
28th Jul 20265911 PMAQI
29th Jul 20265212 AMAQI
29th Jul 2026461 AMAQI
29th Jul 2026332 AMAQI
29th Jul 2026233 AMAQI
29th Jul 2026244 AMAQI

27°C26/28°C

29th Jul 2026215 AMAQI
29th Jul 2026166 AMAQI
29th Jul 2026157 AMAQI
29th Jul 2026188 AMAQI
29th Jul 2026229 AMAQI
29th Jul 20262410 AMAQI
29th Jul 20262411 AMAQI
29th Jul 20262412 PMAQI
29th Jul 2026321 PMAQI
29th Jul 2026512 PMAQI
29th Jul 2026643 PMAQI
29th Jul 2026674 PMAQI
29th Jul 2026585 PMAQI
29th Jul 2026526 PMAQI
29th Jul 2026527 PMAQI
29th Jul 2026588 PMAQI
29th Jul 2026649 PMAQI
29th Jul 20267410 PMAQI
29th Jul 20267111 PMAQI
30th Jul 20266012 AMAQI
30th Jul 2026471 AMAQI
30th Jul 2026442 AMAQI
30th Jul 2026503 AMAQI
30th Jul 2026544 AMAQI

26°C25/27°C

30th Jul 2026405 AMAQI
30th Jul 2026266 AMAQI
30th Jul 2026287 AMAQI
30th Jul 2026258 AMAQI
30th Jul 2026239 AMAQI
30th Jul 20262610 AMAQI
30th Jul 20263411 AMAQI
30th Jul 20263812 PMAQI
30th Jul 2026441 PMAQI
30th Jul 2026542 PMAQI
30th Jul 2026403 PMAQI
30th Jul 2026364 PMAQI
30th Jul 2026285 PMAQI
30th Jul 2026326 PMAQI
30th Jul 2026467 PMAQI
30th Jul 2026528 PMAQI
30th Jul 2026629 PMAQI
30th Jul 20266710 PMAQI
30th Jul 20266311 PMAQI
31st Jul 20266412 AMAQI
31st Jul 2026611 AMAQI
31st Jul 2026512 AMAQI
31st Jul 2026503 AMAQI
31st Jul 2026474 AMAQI

27°C27/28°C

31st Jul 2026445 AMAQI
31st Jul 2026376 AMAQI
31st Jul 2026367 AMAQI
31st Jul 2026368 AMAQI
31st Jul 2026359 AMAQI
31st Jul 20264110 AMAQI
31st Jul 20262611 AMAQI
31st Jul 20263012 PMAQI
31st Jul 2026361 PMAQI
31st Jul 2026302 PMAQI
31st Jul 2026253 PMAQI
31st Jul 2026304 PMAQI
31st Jul 2026405 PMAQI
31st Jul 2026406 PMAQI
31st Jul 2026317 PMAQI
31st Jul 2026338 PMAQI
31st Jul 2026529 PMAQI
31st Jul 20266410 PMAQI
31st Jul 20266311 PMAQI
1st Aug 20266012 AMAQI
1st Aug 2026551 AMAQI
1st Aug 2026412 AMAQI
1st Aug 2026303 AMAQI
1st Aug 2026264 AMAQI

27°C26/27°C

1st Aug 2026265 AMAQI
1st Aug 2026246 AMAQI
1st Aug 2026247 AMAQI
1st Aug 2026268 AMAQI
1st Aug 2026229 AMAQI
1st Aug 20262010 AMAQI
1st Aug 20262411 AMAQI
1st Aug 20262412 PMAQI
1st Aug 2026241 PMAQI
1st Aug 2026282 PMAQI
1st Aug 2026303 PMAQI
1st Aug 2026354 PMAQI
1st Aug 2026415 PMAQI
1st Aug 2026446 PMAQI
1st Aug 2026427 PMAQI
1st Aug 2026438 PMAQI
1st Aug 2026359 PMAQI
1st Aug 20263610 PMAQI
1st Aug 20264411 PMAQI
2nd Aug 20264112 AMAQI
2nd Aug 2026311 AMAQI
2nd Aug 2026272 AMAQI
2nd Aug 2026233 AMAQI
2nd Aug 2026234 AMAQI

26°C25/26°C

2nd Aug 2026205 AMAQI
2nd Aug 2026206 AMAQI
2nd Aug 2026167 AMAQI
2nd Aug 2026178 AMAQI
2nd Aug 2026199 AMAQI
2nd Aug 20261710 AMAQI
2nd Aug 20261811 AMAQI
2nd Aug 20262012 PMAQI
2nd Aug 2026261 PMAQI
2nd Aug 2026322 PMAQI
2nd Aug 2026343 PMAQI
2nd Aug 2026414 PMAQI
2nd Aug 2026455 PMAQI
2nd Aug 2026446 PMAQI
2nd Aug 2026427 PMAQI
2nd Aug 2026428 PMAQI
2nd Aug 2026469 PMAQI
2nd Aug 20265410 PMAQI
2nd Aug 20265411 PMAQI
3rd Aug 20264612 AMAQI
3rd Aug 2026441 AMAQI
3rd Aug 2026362 AMAQI
3rd Aug 2026393 AMAQI
3rd Aug 2026294 AMAQI

26°C25/26°C

3rd Aug 2026285 AMAQI
3rd Aug 2026316 AMAQI
3rd Aug 2026347 AMAQI
3rd Aug 2026318 AMAQI
3rd Aug 2026329 AMAQI
3rd Aug 20262910 AMAQI
3rd Aug 20262911 AMAQI
3rd Aug 20262612 PMAQI
3rd Aug 2026281 PMAQI
3rd Aug 2026462 PMAQI
3rd Aug 2026563 PMAQI
3rd Aug 2026494 PMAQI
3rd Aug 2026465 PMAQI
3rd Aug 2026486 PMAQI
3rd Aug 2026497 PMAQI
3rd Aug 2026488 PMAQI
3rd Aug 2026549 PMAQI
3rd Aug 20266210 PMAQI
3rd Aug 20266711 PMAQI
4th Aug 20265712 AMAQI
4th Aug 2026471 AMAQI
4th Aug 2026362 AMAQI
4th Aug 2026313 AMAQI
4th Aug 2026364 AMAQI

26°C25/27°C

4th Aug 2026385 AMAQI
4th Aug 2026386 AMAQI
4th Aug 2026407 AMAQI
4th Aug 2026408 AMAQI
4th Aug 2026509 AMAQI
4th Aug 20265410 AMAQI
4th Aug 20264511 AMAQI
4th Aug 20263512 PMAQI
4th Aug 2026401 PMAQI
4th Aug 2026482 PMAQI
4th Aug 2026443 PMAQI
4th Aug 2026434 PMAQI
4th Aug 2026455 PMAQI
4th Aug 2026446 PMAQI
4th Aug 2026457 PMAQI
4th Aug 2026478 PMAQI
4th Aug 2026549 PMAQI
4th Aug 20265510 PMAQI
4th Aug 20265411 PMAQI
5th Aug 20265212 AMAQI
5th Aug 2026581 AMAQI
5th Aug 2026532 AMAQI
5th Aug 2026413 AMAQI
5th Aug 2026354 AMAQI

27°C26/29°C

5th Aug 2026375 AMAQI
5th Aug 2026356 AMAQI
5th Aug 2026317 AMAQI
5th Aug 2026288 AMAQI
5th Aug 2026249 AMAQI
5th Aug 20262810 AMAQI
5th Aug 20263611 AMAQI
5th Aug 20264712 PMAQI
5th Aug 2026601 PMAQI
5th Aug 2026632 PMAQI
5th Aug 2026613 PMAQI
5th Aug 2026644 PMAQI
5th Aug 2026665 PMAQI
5th Aug 2026586 PMAQI
5th Aug 2026607 PMAQI
5th Aug 2026598 PMAQI
5th Aug 2026639 PMAQI
5th Aug 20266610 PMAQI
5th Aug 20266611 PMAQI
6th Aug 20265912 AMAQI
6th Aug 2026591 AMAQI
6th Aug 2026592 AMAQI
6th Aug 2026593 AMAQI
6th Aug 2026554 AMAQI

28°C27/29°C

6th Aug 2026565 AMAQI
6th Aug 2026556 AMAQI
6th Aug 2026567 AMAQI
6th Aug 2026538 AMAQI
6th Aug 2026559 AMAQI
6th Aug 20265610 AMAQI
6th Aug 20265611 AMAQI
6th Aug 20265412 PMAQI
6th Aug 2026571 PMAQI
6th Aug 2026562 PMAQI
6th Aug 2026543 PMAQI
6th Aug 2026504 PMAQI
6th Aug 2026525 PMAQI
6th Aug 2026506 PMAQI
6th Aug 2026467 PMAQI
6th Aug 2026488 PMAQI
6th Aug 2026509 PMAQI
6th Aug 20265610 PMAQI
6th Aug 20265411 PMAQI
7th Aug 20265012 AMAQI
7th Aug 2026471 AMAQI
7th Aug 2026482 AMAQI
7th Aug 2026453 AMAQI
7th Aug 2026394 AMAQI

28°C26/30°C

7th Aug 2026345 AMAQI
7th Aug 2026266 AMAQI
7th Aug 2026317 AMAQI
7th Aug 2026328 AMAQI
7th Aug 2026339 AMAQI
7th Aug 20263110 AMAQI
7th Aug 20264011 AMAQI
7th Aug 20266112 PMAQI
7th Aug 2026401 PMAQI
7th Aug 2026502 PMAQI
7th Aug 2026623 PMAQI
7th Aug 2026654 PMAQI
7th Aug 2026685 PMAQI
7th Aug 2026606 PMAQI
7th Aug 2026657 PMAQI
7th Aug 2026648 PMAQI
7th Aug 2026609 PMAQI
7th Aug 20265810 PMAQI
7th Aug 20265311 PMAQI
8th Aug 20265212 AMAQI
8th Aug 2026501 AMAQI
8th Aug 2026482 AMAQI
8th Aug 2026363 AMAQI
8th Aug 2026394 AMAQI

28°C27/30°C

8th Aug 2026445 AMAQI
8th Aug 2026486 AMAQI
8th Aug 2026537 AMAQI
8th Aug 2026588 AMAQI
8th Aug 2026699 AMAQI
8th Aug 20267910 AMAQI
8th Aug 20268211 AMAQI
8th Aug 20268412 PMAQI
8th Aug 2026911 PMAQI
8th Aug 2026992 PMAQI
8th Aug 20261003 PMAQI
8th Aug 20261014 PMAQI
8th Aug 20261045 PMAQI
8th Aug 20261086 PMAQI
8th Aug 20261017 PMAQI
8th Aug 20261068 PMAQI
8th Aug 20261049 PMAQI
8th Aug 20269610 PMAQI
8th Aug 20268711 PMAQI
9th Aug 20268412 AMAQI
9th Aug 2026771 AMAQI
9th Aug 2026822 AMAQI
9th Aug 2026943 AMAQI
9th Aug 20261004 AMAQI

30°C28/32°C

9th Aug 20261025 AMAQI
9th Aug 20261166 AMAQI
9th Aug 20261157 AMAQI
9th Aug 2026968 AMAQI
9th Aug 2026729 AMAQI
9th Aug 20266610 AMAQI
9th Aug 20267211 AMAQI
9th Aug 20266812 PMAQI
9th Aug 2026601 PMAQI
9th Aug 2026612 PMAQI
9th Aug 2026623 PMAQI
9th Aug 2026704 PMAQI
9th Aug 2026695 PMAQI
9th Aug 2026666 PMAQI
9th Aug 2026637 PMAQI
9th Aug 2026608 PMAQI
9th Aug 2026709 PMAQI
9th Aug 20268910 PMAQI
9th Aug 20268711 PMAQI
10th Aug 20267812 AMAQI
10th Aug 2026811 AMAQI
10th Aug 2026872 AMAQI
10th Aug 2026843 AMAQI
10th Aug 2026764 AMAQI

31°C29/34°C

10th Aug 2026725 AMAQI
10th Aug 2026766 AMAQI
10th Aug 2026817 AMAQI
10th Aug 2026908 AMAQI
10th Aug 2026919 AMAQI
10th Aug 20269010 AMAQI
10th Aug 20267611 AMAQI
10th Aug 20266412 PMAQI
10th Aug 2026731 PMAQI
10th Aug 2026792 PMAQI
10th Aug 2026863 PMAQI
10th Aug 2026894 PMAQI
10th Aug 2026895 PMAQI
10th Aug 2026776 PMAQI
10th Aug 2026787 PMAQI
10th Aug 2026808 PMAQI
10th Aug 2026809 PMAQI
10th Aug 20268110 PMAQI
10th Aug 20268511 PMAQI
11th Aug 20267812 AMAQI
11th Aug 2026771 AMAQI
11th Aug 2026802 AMAQI
11th Aug 2026763 AMAQI
11th Aug 2026744 AMAQI

30°C29/32°C

11th Aug 2026705 AMAQI
11th Aug 2026686 AMAQI
11th Aug 2026667 AMAQI
11th Aug 2026688 AMAQI
11th Aug 2026609 AMAQI
11th Aug 20265310 AMAQI
11th Aug 20265811 AMAQI
11th Aug 20266412 PMAQI
11th Aug 2026641 PMAQI
11th Aug 2026662 PMAQI
11th Aug 2026673 PMAQI
11th Aug 2026674 PMAQI
11th Aug 2026695 PMAQI
11th Aug 2026706 PMAQI
11th Aug 2026777 PMAQI
11th Aug 2026808 PMAQI
11th Aug 2026809 PMAQI
11th Aug 20268410 PMAQI
11th Aug 20267711 PMAQI
12th Aug 20266512 AMAQI
12th Aug 2026621 AMAQI
12th Aug 2026542 AMAQI
12th Aug 2026553 AMAQI
12th Aug 2026594 AMAQI

30°C29/32°C

12th Aug 2026585 AMAQI
12th Aug 2026616 AMAQI
12th Aug 2026697 AMAQI
12th Aug 2026708 AMAQI
12th Aug 2026689 AMAQI
12th Aug 20266610 AMAQI
12th Aug 20266611 AMAQI
12th Aug 20266312 PMAQI
12th Aug 2026601 PMAQI
12th Aug 2026632 PMAQI
12th Aug 2026663 PMAQI
12th Aug 2026754 PMAQI
12th Aug 2026845 PMAQI
12th Aug 2026816 PMAQI
12th Aug 2026787 PMAQI
12th Aug 2026758 PMAQI
12th Aug 2026719 PMAQI
12th Aug 20267010 PMAQI
12th Aug 20266411 PMAQI
13th Aug 20265912 AMAQI
13th Aug 2026551 AMAQI
13th Aug 2026542 AMAQI
13th Aug 2026543 AMAQI
13th Aug 2026524 AMAQI

30°C29/32°C

13th Aug 2026535 AMAQI
13th Aug 2026466 AMAQI
13th Aug 2026397 AMAQI
13th Aug 2026418 AMAQI
13th Aug 2026429 AMAQI
13th Aug 20264510 AMAQI
13th Aug 20265011 AMAQI
13th Aug 20264812 PMAQI
13th Aug 2026341 PMAQI
13th Aug 2026422 PMAQI
13th Aug 2026433 PMAQI
13th Aug 2026414 PMAQI
13th Aug 2026385 PMAQI
13th Aug 2026386 PMAQI
13th Aug 2026377 PMAQI
13th Aug 2026368 PMAQI
13th Aug 2026449 PMAQI
13th Aug 20265210 PMAQI
13th Aug 20265311 PMAQI
14th Aug 20265312 AMAQI
14th Aug 2026521 AMAQI
14th Aug 2026512 AMAQI
14th Aug 2026453 AMAQI
14th Aug 2026414 AMAQI

29°C28/31°C

14th Aug 2026365 AMAQI
14th Aug 2026366 AMAQI
14th Aug 2026357 AMAQI
14th Aug 2026398 AMAQI
14th Aug 2026379 AMAQI
14th Aug 20264010 AMAQI
14th Aug 20263611 AMAQI
14th Aug 20263212 PMAQI
14th Aug 2026341 PMAQI
14th Aug 2026342 PMAQI
14th Aug 2026363 PMAQI
14th Aug 2026444 PMAQI
14th Aug 2026495 PMAQI
14th Aug 2026466 PMAQI
14th Aug 2026447 PMAQI
14th Aug 2026448 PMAQI
14th Aug 2026529 PMAQI
14th Aug 20266010 PMAQI
14th Aug 20265811 PMAQI
15th Aug 20265612 AMAQI
15th Aug 2026561 AMAQI
15th Aug 2026472 AMAQI
15th Aug 2026523 AMAQI
15th Aug 2026464 AMAQI

28°C27/28°C

15th Aug 2026405 AMAQI
15th Aug 2026366 AMAQI
15th Aug 2026327 AMAQI
15th Aug 2026388 AMAQI
15th Aug 2026389 AMAQI
15th Aug 20263610 AMAQI
15th Aug 20263911 AMAQI
15th Aug 20265612 PMAQI
15th Aug 2026531 PMAQI
15th Aug 2026562 PMAQI
15th Aug 2026603 PMAQI
15th Aug 2026604 PMAQI
15th Aug 2026645 PMAQI
15th Aug 2026606 PMAQI
15th Aug 2026527 PMAQI
15th Aug 2026508 PMAQI
15th Aug 2026569 PMAQI
15th Aug 20266510 PMAQI
15th Aug 20266411 PMAQI
16th Aug 20266012 AMAQI
16th Aug 2026591 AMAQI
16th Aug 2026582 AMAQI
16th Aug 2026623 AMAQI
16th Aug 2026594 AMAQI

29°C28/30°C

16th Aug 2026555 AMAQI
16th Aug 2026556 AMAQI
16th Aug 2026537 AMAQI
16th Aug 2026558 AMAQI
16th Aug 2026629 AMAQI
16th Aug 20266910 AMAQI
16th Aug 20267311 AMAQI
16th Aug 20266412 PMAQI
16th Aug 2026671 PMAQI
16th Aug 2026642 PMAQI
16th Aug 2026663 PMAQI
16th Aug 2026674 PMAQI
16th Aug 2026685 PMAQI
16th Aug 2026686 PMAQI
16th Aug 2026687 PMAQI
16th Aug 2026668 PMAQI
16th Aug 2026629 PMAQI
16th Aug 20266210 PMAQI
16th Aug 20266111 PMAQI
17th Aug 20266012 AMAQI
17th Aug 2026591 AMAQI
17th Aug 2026522 AMAQI
17th Aug 2026433 AMAQI
17th Aug 2026384 AMAQI

29°C28/30°C

17th Aug 2026365 AMAQI
5 AM
17th Aug 2026356 AMAQI
17th Aug 2026367 AMAQI
17th Aug 2026398 AMAQI
17th Aug 2026399 AMAQI
17th Aug 20264110 AMAQI
17th Aug 20265611 AMAQI
17th Aug 20266012 PMAQI
12 PM
17th Aug 2026711 PMAQI
17th Aug 2026722 PMAQI
17th Aug 2026723 PMAQI
17th Aug 2026704 PMAQI
17th Aug 2026685 PMAQI
17th Aug 2026646 PMAQI
17th Aug 2026717 PMAQI
7 PM
17th Aug 2026728 PMAQI
17th Aug 2026709 PMAQI
17th Aug 20267410 PMAQI
17th Aug 20268011 PMAQI
12 AM
4 AM

22°C21/22°C

Day time
Avg. Highest Time
4 PM - 6 PM

58AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
6 AM - 11 AM

46AQI

6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 PM to 6 PM (Avg. 58), while the lowest AQI was between 6 AM to 11 AM (Avg. 46).
Night time
Avg. Highest Time
10 PM - 11 PM

64AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
4 AM

47AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 11 PM (Avg. 64), while the lowest AQI was between 4 AM to 4 AM (Avg. 47).

2026 Days Vs Air Quality

Hong Kong Island, Hong Kong, China

2026

32%

73

66%

152

2%

4

Total number of days with different AQI categories in last 229 days in 2026 (136 days remaining)

Good
73 Days
Moderate
152 Days
Poor
4 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 32%

Health Risk Level:

High

In 2026, 32% of 229 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

Hong Kong Island, Hong Kong, China

AQI levels in 2026

AQI (US)
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.

-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
67AQI (US)
2nd January 2026
72AQI (US)
3rd January 2026
56AQI (US)
4th January 2026
72AQI (US)
5th January 2026
80AQI (US)
6th January 2026
70AQI (US)
7th January 2026
83AQI (US)
8th January 2026
63AQI (US)
9th January 2026
63AQI (US)
10th January 2026
78AQI (US)
11th January 2026
64AQI (US)
12th January 2026
88AQI (US)
13th January 2026
118AQI (US)
14th January 2026
80AQI (US)
15th January 2026
84AQI (US)
16th January 2026
87AQI (US)
17th January 2026
74AQI (US)
18th January 2026
75AQI (US)
19th January 2026
88AQI (US)
20th January 2026
56AQI (US)
21st January 2026
96AQI (US)
22nd January 2026
86AQI (US)
23rd January 2026
99AQI (US)
24th January 2026
116AQI (US)
25th January 2026
72AQI (US)
26th January 2026
49AQI (US)
27th January 2026
82AQI (US)
28th January 2026
84AQI (US)
29th January 2026
76AQI (US)
30th January 2026
57AQI (US)
31st January 2026
56AQI (US)
1st February 2026
54AQI (US)
2nd February 2026
64AQI (US)
3rd February 2026
72AQI (US)
4th February 2026
86AQI (US)
5th February 2026
72AQI (US)
6th February 2026
59AQI (US)
7th February 2026
68AQI (US)
8th February 2026
54AQI (US)
9th February 2026
68AQI (US)
10th February 2026
60AQI (US)
11th February 2026
55AQI (US)
12th February 2026
73AQI (US)
13th February 2026
76AQI (US)
14th February 2026
62AQI (US)
15th February 2026
38AQI (US)
16th February 2026
44AQI (US)
17th February 2026
68AQI (US)
18th February 2026
67AQI (US)
19th February 2026
70AQI (US)
20th February 2026
94AQI (US)
21st February 2026
89AQI (US)
22nd February 2026
78AQI (US)
23rd February 2026
87AQI (US)
24th February 2026
72AQI (US)
25th February 2026
68AQI (US)
26th February 2026
41AQI (US)
27th February 2026
66AQI (US)
28th February 2026
35AQI (US)
1st March 2026
30AQI (US)
2nd March 2026
66AQI (US)
3rd March 2026
32AQI (US)
4th March 2026
25AQI (US)
5th March 2026
36AQI (US)
6th March 2026
52AQI (US)
7th March 2026
64AQI (US)
8th March 2026
67AQI (US)
9th March 2026
64AQI (US)
10th March 2026
55AQI (US)
11th March 2026
66AQI (US)
12th March 2026
71AQI (US)
13th March 2026
63AQI (US)
14th March 2026
60AQI (US)
15th March 2026
68AQI (US)
16th March 2026
61AQI (US)
17th March 2026
62AQI (US)
18th March 2026
54AQI (US)
19th March 2026
48AQI (US)
20th March 2026
68AQI (US)
21st March 2026
79AQI (US)
22nd March 2026
69AQI (US)
23rd March 2026
74AQI (US)
24th March 2026
69AQI (US)
25th March 2026
66AQI (US)
26th March 2026
68AQI (US)
27th March 2026
77AQI (US)
28th March 2026
68AQI (US)
29th March 2026
72AQI (US)
30th March 2026
62AQI (US)
31st March 2026
75AQI (US)
1st April 2026
69AQI (US)
2nd April 2026
58AQI (US)
3rd April 2026
94AQI (US)
4th April 2026
78AQI (US)
5th April 2026
63AQI (US)
6th April 2026
66AQI (US)
7th April 2026
58AQI (US)
8th April 2026
65AQI (US)
9th April 2026
65AQI (US)
10th April 2026
65AQI (US)
11th April 2026
68AQI (US)
12th April 2026
56AQI (US)
13th April 2026
50AQI (US)
14th April 2026
50AQI (US)
15th April 2026
59AQI (US)
16th April 2026
57AQI (US)
17th April 2026
54AQI (US)
18th April 2026
102AQI (US)
19th April 2026
120AQI (US)
20th April 2026
99AQI (US)
21st April 2026
73AQI (US)
22nd April 2026
71AQI (US)
23rd April 2026
70AQI (US)
24th April 2026
43AQI (US)
25th April 2026
52AQI (US)
26th April 2026
76AQI (US)
27th April 2026
60AQI (US)
28th April 2026
54AQI (US)
29th April 2026
57AQI (US)
30th April 2026
46AQI (US)
1st May 2026
55AQI (US)
2nd May 2026
66AQI (US)
3rd May 2026
53AQI (US)
4th May 2026
55AQI (US)
5th May 2026
56AQI (US)
6th May 2026
62AQI (US)
7th May 2026
52AQI (US)
8th May 2026
54AQI (US)
9th May 2026
62AQI (US)
10th May 2026
70AQI (US)
11th May 2026
83AQI (US)
12th May 2026
63AQI (US)
13th May 2026
35AQI (US)
14th May 2026
36AQI (US)
15th May 2026
33AQI (US)
16th May 2026
49AQI (US)
17th May 2026
39AQI (US)
18th May 2026
45AQI (US)
19th May 2026
36AQI (US)
20th May 2026
60AQI (US)
21st May 2026
79AQI (US)
22nd May 2026
85AQI (US)
23rd May 2026
84AQI (US)
24th May 2026
78AQI (US)
25th May 2026
70AQI (US)
26th May 2026
53AQI (US)
27th May 2026
48AQI (US)
28th May 2026
49AQI (US)
29th May 2026
56AQI (US)
30th May 2026
64AQI (US)
31st May 2026
72AQI (US)
1st June 2026
68AQI (US)
2nd June 2026
62AQI (US)
3rd June 2026
56AQI (US)
4th June 2026
57AQI (US)
5th June 2026
51AQI (US)
6th June 2026
54AQI (US)
7th June 2026
45AQI (US)
8th June 2026
48AQI (US)
9th June 2026
47AQI (US)
10th June 2026
45AQI (US)
11th June 2026
47AQI (US)
12th June 2026
62AQI (US)
13th June 2026
46AQI (US)
14th June 2026
44AQI (US)
15th June 2026
44AQI (US)
16th June 2026
36AQI (US)
17th June 2026
28AQI (US)
18th June 2026
42AQI (US)
19th June 2026
41AQI (US)
20th June 2026
42AQI (US)
21st June 2026
43AQI (US)
22nd June 2026
28AQI (US)
23rd June 2026
46AQI (US)
24th June 2026
52AQI (US)
25th June 2026
53AQI (US)
26th June 2026
52AQI (US)
27th June 2026
48AQI (US)
28th June 2026
53AQI (US)
29th June 2026
50AQI (US)
30th June 2026
38AQI (US)
1st July 2026
33AQI (US)
2nd July 2026
24AQI (US)
3rd July 2026
25AQI (US)
4th July 2026
31AQI (US)
5th July 2026
31AQI (US)
6th July 2026
24AQI (US)
7th July 2026
39AQI (US)
8th July 2026
44AQI (US)
9th July 2026
50AQI (US)
10th July 2026
36AQI (US)
11th July 2026
45AQI (US)
12th July 2026
57AQI (US)
13th July 2026
47AQI (US)
14th July 2026
27AQI (US)
15th July 2026
37AQI (US)
16th July 2026
46AQI (US)
17th July 2026
56AQI (US)
18th July 2026
52AQI (US)
19th July 2026
48AQI (US)
20th July 2026
56AQI (US)
21st July 2026
65AQI (US)
22nd July 2026
63AQI (US)
23rd July 2026
61AQI (US)
24th July 2026
60AQI (US)
25th July 2026
69AQI (US)
26th July 2026
23AQI (US)
27th July 2026
39AQI (US)
28th July 2026
40AQI (US)
29th July 2026
41AQI (US)
30th July 2026
42AQI (US)
31st July 2026
42AQI (US)
1st August 2026
33AQI (US)
2nd August 2026
31AQI (US)
3rd August 2026
41AQI (US)
4th August 2026
44AQI (US)
5th August 2026
50AQI (US)
6th August 2026
54AQI (US)
7th August 2026
48AQI (US)
8th August 2026
76AQI (US)
9th August 2026
80AQI (US)
10th August 2026
81AQI (US)
11th August 2026
71AQI (US)
12th August 2026
67AQI (US)
13th August 2026
46AQI (US)
14th August 2026
43AQI (US)
15th August 2026
50AQI (US)
16th August 2026
63AQI (US)
17th August 2026
58AQI (US)
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

77AQI (US)

66AQI (US)

61AQI (US)

67AQI (US)

58AQI (US)

48AQI (US)

44AQI (US)

55AQI (US)

No. of days

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

202660AQI (US)

1
28
2
4
24
5
26
4
24
2
9
22
19
11
22
9
9
8
73
152
4

Highest AQI (US) recorded in

January

77AQI (US)

Lowest AQI (US) recorded in

July

44AQI (US)

202563AQI (US)

22
9
2
24
2
5
26
26
4
9
22
25
5
13
18
23
8
27
3
1
29
1
1
28
1
27
4
106
238
21

Highest AQI (US) recorded in

January

87AQI (US)

Lowest AQI (US) recorded in

September

41AQI (US)

202460AQI (US)

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 (US) recorded in

December

93AQI (US)

Lowest AQI (US) recorded in

July

31AQI (US)

202360AQI (US)

2
28
1
3
23
2
4
24
3
2
28
6
23
2
25
5
26
5
26
5
23
7
7
24
3
26
4
24
3
131
222
11

Highest AQI (US) recorded in

December

77AQI (US)

Lowest AQI (US) recorded in

July

39AQI (US)

202258AQI (US)

5
21
4
9
11
1
9
17
5
7
23
19
12
30
24
1
1
4
18
6
7
24
10
20
9
20
2
133
167
19

Highest AQI (US) recorded in

August

123AQI (US)

Lowest AQI (US) recorded in

June

35AQI (US)

202160AQI (US)

22
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
209
18
1

Highest AQI (US) recorded in

January

90AQI (US)

Lowest AQI (US) recorded in

July

42AQI (US)

202054AQI (US)

2
11
6
15
11
7
30
31
23
8
13
15
2
1
30
3
27
25
6
120
138
8

Highest AQI (US) recorded in

December

85AQI (US)

Lowest AQI (US) recorded in

July

27AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
63AQI (US)
Least Polluted Year Recorded
2020(Avg.)
54AQI (US)

Hong Kong Island's annual 2026 AQI (US) (60) shows an average percentage change of 1.6% (worsened AQI (US)) compared to previous years: 2020 (54), 2021 (60), 2022 (58), 2023 (60), 2024 (60), 2025 (63).