Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

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+

July 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
26th Jul 2023
101AQI
Lowest AQI recorded on
15th Jul 2024
20AQI

Same Day Analysis (3rd July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 37 of Good air quality, showing improvement over 2022 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 3rd Jul - 4th Jul 2025

Wan Chai, Hong Kong Island, Hong Kong, China

AQI
Day
Night
.

5 AM3rd Jul 2025

7 PM

4 AM4th Jul 2025

Day time
Avg. Highest Time
12AMNaNth undefined

AQI

Avg. Lowest Time
12AMNaNth undefined

AQI

Night time
Avg. Highest Time
5PM3rd Jul

51AQI

Avg. Lowest Time
7AM3rd Jul

34AQI

In the last 24 hours,

Wan Chai's AQI reached its highest point of 51 at 5 PM during the Night, while the lowest point, 34, was recorded at 7 AM during the Night between 3rd Jul and 4th Jul 2025.

Day & Night AQI Trend : Jun - Jul 2025

Wan Chai, Hong Kong Island, Hong Kong, China

JunJul
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 - 01st01st - 02nd02nd - 03rd03rd - 04th04th
Day
Night
4th Jun 2025575 AMAQI
4th Jun 2025596 AMAQI
4th Jun 2025587 AMAQI
4th Jun 2025438 AMAQI
4th Jun 2025369 AMAQI
4th Jun 20253410 AMAQI
4th Jun 20253611 AMAQI
4th Jun 20254012 PMAQI
4th Jun 2025401 PMAQI
4th Jun 2025402 PMAQI
4th Jun 2025383 PMAQI
4th Jun 2025384 PMAQI
4th Jun 2025445 PMAQI
4th Jun 2025476 PMAQI
4th Jun 2025407 PMAQI
4th Jun 2025488 PMAQI
4th Jun 2025509 PMAQI
4th Jun 20255110 PMAQI
4th Jun 20255411 PMAQI
5th Jun 20255612 AMAQI
5th Jun 2025581 AMAQI
5th Jun 2025622 AMAQI
5th Jun 2025633 AMAQI
5th Jun 2025624 AMAQI

26°C25/26°C

5th Jun 2025615 AMAQI
5th Jun 2025616 AMAQI
5th Jun 2025617 AMAQI
5th Jun 2025528 AMAQI
5th Jun 2025519 AMAQI
5th Jun 20255210 AMAQI
5th Jun 20255411 AMAQI
5th Jun 20255512 PMAQI
5th Jun 2025561 PMAQI
5th Jun 2025582 PMAQI
5th Jun 2025603 PMAQI
5th Jun 2025564 PMAQI
5th Jun 2025545 PMAQI
5th Jun 2025546 PMAQI
5th Jun 2025567 PMAQI
5th Jun 2025588 PMAQI
5th Jun 2025609 PMAQI
5th Jun 20256210 PMAQI
5th Jun 20256411 PMAQI
6th Jun 20256212 AMAQI
6th Jun 2025571 AMAQI
6th Jun 2025562 AMAQI
6th Jun 2025543 AMAQI
6th Jun 2025534 AMAQI

26°C25/27°C

6th Jun 2025545 AMAQI
6th Jun 2025556 AMAQI
6th Jun 2025537 AMAQI
6th Jun 2025558 AMAQI
6th Jun 2025569 AMAQI
6th Jun 20255610 AMAQI
6th Jun 20255611 AMAQI
6th Jun 20255212 PMAQI
6th Jun 2025581 PMAQI
6th Jun 2025612 PMAQI
6th Jun 2025613 PMAQI
6th Jun 2025604 PMAQI
6th Jun 2025625 PMAQI
6th Jun 2025606 PMAQI
6th Jun 2025607 PMAQI
6th Jun 2025598 PMAQI
6th Jun 2025599 PMAQI
6th Jun 20255810 PMAQI
6th Jun 20255711 PMAQI
7th Jun 20255512 AMAQI
7th Jun 2025561 AMAQI
7th Jun 2025572 AMAQI
7th Jun 2025593 AMAQI
7th Jun 2025584 AMAQI

27°C25/28°C

7th Jun 2025585 AMAQI
7th Jun 2025586 AMAQI
7th Jun 2025577 AMAQI
7th Jun 2025588 AMAQI
7th Jun 2025559 AMAQI
7th Jun 20255810 AMAQI
7th Jun 20255211 AMAQI
7th Jun 20255012 PMAQI
7th Jun 2025531 PMAQI
7th Jun 2025542 PMAQI
7th Jun 2025523 PMAQI
7th Jun 2025564 PMAQI
7th Jun 2025575 PMAQI
7th Jun 2025536 PMAQI
7th Jun 2025507 PMAQI
7th Jun 2025398 PMAQI
7th Jun 2025499 PMAQI
7th Jun 20254110 PMAQI
7th Jun 20254411 PMAQI
8th Jun 20254812 AMAQI
8th Jun 2025521 AMAQI
8th Jun 2025542 AMAQI
8th Jun 2025553 AMAQI
8th Jun 2025564 AMAQI

28°C26/29°C

8th Jun 2025575 AMAQI
8th Jun 2025566 AMAQI
8th Jun 2025577 AMAQI
8th Jun 2025488 AMAQI
8th Jun 2025409 AMAQI
8th Jun 20254510 AMAQI
8th Jun 20254911 AMAQI
8th Jun 20254412 PMAQI
8th Jun 2025341 PMAQI
8th Jun 2025362 PMAQI
8th Jun 2025443 PMAQI
8th Jun 2025464 PMAQI
8th Jun 2025455 PMAQI
8th Jun 2025526 PMAQI
8th Jun 2025457 PMAQI
8th Jun 2025408 PMAQI
8th Jun 2025469 PMAQI
8th Jun 20254810 PMAQI
8th Jun 20254911 PMAQI
9th Jun 20254612 AMAQI
9th Jun 2025541 AMAQI
9th Jun 2025542 AMAQI
9th Jun 2025543 AMAQI
9th Jun 2025544 AMAQI

28°C27/29°C

9th Jun 2025555 AMAQI
9th Jun 2025556 AMAQI
9th Jun 2025557 AMAQI
9th Jun 2025468 AMAQI
9th Jun 2025389 AMAQI
9th Jun 20254510 AMAQI
9th Jun 20257811 AMAQI
9th Jun 20254712 PMAQI
9th Jun 2025501 PMAQI
9th Jun 2025502 PMAQI
9th Jun 2025513 PMAQI
9th Jun 2025544 PMAQI
9th Jun 2025515 PMAQI
9th Jun 2025516 PMAQI
9th Jun 2025547 PMAQI
9th Jun 2025548 PMAQI
9th Jun 2025549 PMAQI
9th Jun 20255310 PMAQI
9th Jun 20255211 PMAQI
10th Jun 20254912 AMAQI
10th Jun 2025531 AMAQI
10th Jun 2025542 AMAQI
10th Jun 2025543 AMAQI
10th Jun 2025544 AMAQI

28°C27/29°C

10th Jun 2025535 AMAQI
10th Jun 2025546 AMAQI
10th Jun 2025547 AMAQI
10th Jun 2025448 AMAQI
10th Jun 2025389 AMAQI
10th Jun 20254710 AMAQI
10th Jun 20255011 AMAQI
10th Jun 20254612 PMAQI
10th Jun 2025351 PMAQI
10th Jun 2025322 PMAQI
10th Jun 2025303 PMAQI
10th Jun 2025324 PMAQI
10th Jun 2025275 PMAQI
10th Jun 2025286 PMAQI
10th Jun 2025347 PMAQI
10th Jun 2025418 PMAQI
10th Jun 2025389 PMAQI
10th Jun 20253110 PMAQI
10th Jun 20252811 PMAQI
11th Jun 20252912 AMAQI
11th Jun 2025481 AMAQI
11th Jun 2025522 AMAQI
11th Jun 2025513 AMAQI
11th Jun 2025534 AMAQI

29°C28/30°C

11th Jun 2025525 AMAQI
11th Jun 2025526 AMAQI
11th Jun 2025527 AMAQI
11th Jun 2025308 AMAQI
11th Jun 2025209 AMAQI
11th Jun 20252210 AMAQI
11th Jun 20252411 AMAQI
11th Jun 20252312 PMAQI
11th Jun 2025311 PMAQI
11th Jun 2025342 PMAQI
11th Jun 2025343 PMAQI
11th Jun 2025314 PMAQI
11th Jun 2025305 PMAQI
11th Jun 2025266 PMAQI
11th Jun 2025287 PMAQI
11th Jun 2025318 PMAQI
11th Jun 2025389 PMAQI
11th Jun 20254210 PMAQI
11th Jun 20253611 PMAQI
12th Jun 20253012 AMAQI
12th Jun 2025381 AMAQI
12th Jun 2025482 AMAQI
12th Jun 2025503 AMAQI
12th Jun 2025504 AMAQI

29°C27/30°C

12th Jun 2025465 AMAQI
12th Jun 2025466 AMAQI
12th Jun 2025457 AMAQI
12th Jun 2025348 AMAQI
12th Jun 2025399 AMAQI
12th Jun 20254510 AMAQI
12th Jun 20254911 AMAQI
12th Jun 20254212 PMAQI
12th Jun 2025401 PMAQI
12th Jun 2025402 PMAQI
12th Jun 2025373 PMAQI
12th Jun 2025324 PMAQI
12th Jun 2025375 PMAQI
12th Jun 2025396 PMAQI
12th Jun 2025347 PMAQI
12th Jun 2025328 PMAQI
12th Jun 2025379 PMAQI
12th Jun 20254310 PMAQI
12th Jun 20254911 PMAQI
13th Jun 20254712 AMAQI
13th Jun 2025381 AMAQI
13th Jun 2025462 AMAQI
13th Jun 2025443 AMAQI
13th Jun 2025474 AMAQI

28°C27/29°C

13th Jun 2025485 AMAQI
13th Jun 2025446 AMAQI
13th Jun 2025437 AMAQI
13th Jun 2025358 AMAQI
13th Jun 2025309 AMAQI
13th Jun 20253210 AMAQI
13th Jun 20252811 AMAQI
13th Jun 20254212 PMAQI
13th Jun 2025441 PMAQI
13th Jun 2025452 PMAQI
13th Jun 2025523 PMAQI
13th Jun 2025544 PMAQI
13th Jun 2025525 PMAQI
13th Jun 2025386 PMAQI
13th Jun 2025477 PMAQI
13th Jun 2025478 PMAQI
13th Jun 2025449 PMAQI
13th Jun 20253810 PMAQI
13th Jun 20254611 PMAQI
14th Jun 20253812 AMAQI
14th Jun 2025441 AMAQI
14th Jun 2025432 AMAQI
14th Jun 2025423 AMAQI
14th Jun 2025424 AMAQI

28°C27/29°C

14th Jun 2025415 AMAQI
14th Jun 2025386 AMAQI
14th Jun 2025427 AMAQI
14th Jun 2025408 AMAQI
14th Jun 2025409 AMAQI
14th Jun 20255210 AMAQI
14th Jun 20255211 AMAQI
14th Jun 20255512 PMAQI
14th Jun 2025601 PMAQI
14th Jun 2025562 PMAQI
14th Jun 2025533 PMAQI
14th Jun 2025554 PMAQI
14th Jun 2025545 PMAQI
14th Jun 2025546 PMAQI
14th Jun 2025547 PMAQI
14th Jun 2025548 PMAQI
14th Jun 2025529 PMAQI
14th Jun 20255210 PMAQI
14th Jun 20255311 PMAQI
15th Jun 20254812 AMAQI
15th Jun 2025421 AMAQI
15th Jun 2025402 AMAQI
15th Jun 2025413 AMAQI
15th Jun 2025444 AMAQI

28°C27/29°C

15th Jun 2025445 AMAQI
15th Jun 2025446 AMAQI
15th Jun 2025447 AMAQI
15th Jun 2025388 AMAQI
15th Jun 2025309 AMAQI
15th Jun 20253010 AMAQI
15th Jun 20253411 AMAQI
15th Jun 20254212 PMAQI
15th Jun 2025311 PMAQI
15th Jun 2025452 PMAQI
15th Jun 2025493 PMAQI
15th Jun 2025524 PMAQI
15th Jun 2025535 PMAQI
15th Jun 2025536 PMAQI
15th Jun 2025527 PMAQI
15th Jun 2025558 PMAQI
15th Jun 2025529 PMAQI
15th Jun 20255610 PMAQI
15th Jun 20255211 PMAQI
16th Jun 20255312 AMAQI
16th Jun 2025461 AMAQI
16th Jun 2025442 AMAQI
16th Jun 2025433 AMAQI
16th Jun 2025414 AMAQI

28°C28/29°C

16th Jun 2025405 AMAQI
16th Jun 2025406 AMAQI
16th Jun 2025447 AMAQI
16th Jun 2025488 AMAQI
16th Jun 2025639 AMAQI
16th Jun 20254910 AMAQI
16th Jun 20254311 AMAQI
16th Jun 20254412 PMAQI
16th Jun 2025461 PMAQI
16th Jun 2025522 PMAQI
16th Jun 2025543 PMAQI
16th Jun 2025534 PMAQI
16th Jun 2025565 PMAQI
16th Jun 2025586 PMAQI
16th Jun 2025557 PMAQI
16th Jun 2025538 PMAQI
16th Jun 2025559 PMAQI
16th Jun 20255510 PMAQI
16th Jun 20255211 PMAQI
17th Jun 20255312 AMAQI
17th Jun 2025471 AMAQI
17th Jun 2025472 AMAQI
17th Jun 2025443 AMAQI
17th Jun 2025444 AMAQI

28°C28/29°C

17th Jun 2025485 AMAQI
17th Jun 2025466 AMAQI
17th Jun 2025487 AMAQI
17th Jun 2025358 AMAQI
17th Jun 2025369 AMAQI
17th Jun 20253110 AMAQI
17th Jun 20252811 AMAQI
17th Jun 20254012 PMAQI
17th Jun 2025521 PMAQI
17th Jun 2025512 PMAQI
17th Jun 2025503 PMAQI
17th Jun 2025504 PMAQI
17th Jun 2025485 PMAQI
17th Jun 2025506 PMAQI
17th Jun 2025507 PMAQI
17th Jun 2025528 PMAQI
17th Jun 2025529 PMAQI
17th Jun 20255210 PMAQI
17th Jun 20255411 PMAQI
18th Jun 20255412 AMAQI
18th Jun 2025481 AMAQI
18th Jun 2025482 AMAQI
18th Jun 2025463 AMAQI
18th Jun 2025474 AMAQI

26°C26/27°C

18th Jun 2025455 AMAQI
18th Jun 2025466 AMAQI
18th Jun 2025477 AMAQI
18th Jun 2025438 AMAQI
18th Jun 2025339 AMAQI
18th Jun 20253710 AMAQI
18th Jun 20254511 AMAQI
18th Jun 20255212 PMAQI
18th Jun 2025501 PMAQI
18th Jun 2025482 PMAQI
18th Jun 2025473 PMAQI
18th Jun 2025444 PMAQI
18th Jun 2025465 PMAQI
18th Jun 2025406 PMAQI
18th Jun 2025427 PMAQI
18th Jun 2025468 PMAQI
18th Jun 2025509 PMAQI
18th Jun 20255210 PMAQI
18th Jun 20255211 PMAQI
19th Jun 20255012 AMAQI
19th Jun 2025461 AMAQI
19th Jun 2025472 AMAQI
19th Jun 2025483 AMAQI
19th Jun 2025464 AMAQI

28°C27/29°C

19th Jun 2025495 AMAQI
19th Jun 2025476 AMAQI
19th Jun 2025487 AMAQI
19th Jun 2025468 AMAQI
19th Jun 2025449 AMAQI
19th Jun 20254210 AMAQI
19th Jun 20253511 AMAQI
19th Jun 20254212 PMAQI
19th Jun 2025401 PMAQI
19th Jun 2025402 PMAQI
19th Jun 2025383 PMAQI
19th Jun 2025374 PMAQI
19th Jun 2025345 PMAQI
19th Jun 2025326 PMAQI
19th Jun 2025317 PMAQI
19th Jun 2025378 PMAQI
19th Jun 2025449 PMAQI
19th Jun 20254710 PMAQI
19th Jun 20254511 PMAQI
20th Jun 20253512 AMAQI
20th Jun 2025421 AMAQI
20th Jun 2025462 AMAQI
20th Jun 2025483 AMAQI
20th Jun 2025474 AMAQI

28°C27/29°C

20th Jun 2025445 AMAQI
20th Jun 2025466 AMAQI
20th Jun 2025457 AMAQI
20th Jun 2025278 AMAQI
20th Jun 2025259 AMAQI
20th Jun 20253210 AMAQI
20th Jun 20253411 AMAQI
20th Jun 20253512 PMAQI
20th Jun 2025341 PMAQI
20th Jun 2025332 PMAQI
20th Jun 2025243 PMAQI
20th Jun 2025284 PMAQI
20th Jun 2025305 PMAQI
20th Jun 2025306 PMAQI
20th Jun 2025397 PMAQI
20th Jun 2025408 PMAQI
20th Jun 2025419 PMAQI
20th Jun 20254110 PMAQI
20th Jun 20254411 PMAQI
21st Jun 20254512 AMAQI
21st Jun 2025421 AMAQI
21st Jun 2025432 AMAQI
21st Jun 2025423 AMAQI
21st Jun 2025394 AMAQI

28°C27/29°C

21st Jun 2025405 AMAQI
21st Jun 2025416 AMAQI
21st Jun 2025417 AMAQI
21st Jun 2025348 AMAQI
21st Jun 2025289 AMAQI
21st Jun 20252810 AMAQI
21st Jun 20253211 AMAQI
21st Jun 20253612 PMAQI
21st Jun 2025321 PMAQI
21st Jun 2025292 PMAQI
21st Jun 2025323 PMAQI
21st Jun 2025354 PMAQI
21st Jun 2025325 PMAQI
21st Jun 2025286 PMAQI
21st Jun 2025317 PMAQI
21st Jun 2025348 PMAQI
21st Jun 2025349 PMAQI
21st Jun 20253410 PMAQI
21st Jun 20253411 PMAQI
22nd Jun 20253412 AMAQI
22nd Jun 2025341 AMAQI
22nd Jun 2025342 AMAQI
22nd Jun 2025343 AMAQI
22nd Jun 2025344 AMAQI

28°C27/29°C

22nd Jun 2025345 AMAQI
22nd Jun 2025346 AMAQI
22nd Jun 2025347 AMAQI
22nd Jun 2025348 AMAQI
22nd Jun 2025349 AMAQI
22nd Jun 20253410 AMAQI
22nd Jun 20253411 AMAQI
22nd Jun 20253412 PMAQI
22nd Jun 2025341 PMAQI
22nd Jun 2025342 PMAQI
22nd Jun 2025343 PMAQI
22nd Jun 2025344 PMAQI
22nd Jun 2025345 PMAQI
22nd Jun 2025346 PMAQI
22nd Jun 2025347 PMAQI
22nd Jun 2025348 PMAQI
22nd Jun 2025349 PMAQI
22nd Jun 20253410 PMAQI
22nd Jun 20253411 PMAQI
23rd Jun 20253412 AMAQI
23rd Jun 2025341 AMAQI
23rd Jun 2025342 AMAQI
23rd Jun 2025343 AMAQI
23rd Jun 2025344 AMAQI

29°C28/30°C

23rd Jun 2025325 AMAQI
23rd Jun 2025326 AMAQI
23rd Jun 2025317 AMAQI
23rd Jun 2025298 AMAQI
23rd Jun 2025419 AMAQI
23rd Jun 20254810 AMAQI
23rd Jun 20254411 AMAQI
23rd Jun 20253812 PMAQI
23rd Jun 2025341 PMAQI
23rd Jun 2025382 PMAQI
23rd Jun 2025323 PMAQI
23rd Jun 2025334 PMAQI
23rd Jun 2025325 PMAQI
23rd Jun 2025326 PMAQI
23rd Jun 2025297 PMAQI
23rd Jun 2025278 PMAQI
23rd Jun 2025329 PMAQI
23rd Jun 20253210 PMAQI
23rd Jun 20252811 PMAQI
24th Jun 20252612 AMAQI
24th Jun 2025301 AMAQI
24th Jun 2025322 AMAQI
24th Jun 2025333 AMAQI
24th Jun 2025344 AMAQI

29°C28/30°C

24th Jun 2025345 AMAQI
24th Jun 2025346 AMAQI
24th Jun 2025357 AMAQI
24th Jun 2025268 AMAQI
24th Jun 2025259 AMAQI
24th Jun 20253210 AMAQI
24th Jun 20253611 AMAQI
24th Jun 20253412 PMAQI
24th Jun 2025281 PMAQI
24th Jun 2025322 PMAQI
24th Jun 2025443 PMAQI
24th Jun 2025424 PMAQI
24th Jun 2025385 PMAQI
24th Jun 2025386 PMAQI
24th Jun 2025317 PMAQI
24th Jun 2025358 PMAQI
24th Jun 2025349 PMAQI
24th Jun 20253510 PMAQI
24th Jun 20254211 PMAQI
25th Jun 20253412 AMAQI
25th Jun 2025331 AMAQI
25th Jun 2025312 AMAQI
25th Jun 2025333 AMAQI
25th Jun 2025334 AMAQI

29°C28/30°C

25th Jun 2025335 AMAQI
25th Jun 2025346 AMAQI
25th Jun 2025337 AMAQI
25th Jun 2025468 AMAQI
25th Jun 2025529 AMAQI
25th Jun 20255210 AMAQI
25th Jun 20254111 AMAQI
25th Jun 20254212 PMAQI
25th Jun 2025401 PMAQI
25th Jun 2025362 PMAQI
25th Jun 2025303 PMAQI
25th Jun 2025324 PMAQI
25th Jun 2025345 PMAQI
25th Jun 2025376 PMAQI
25th Jun 2025387 PMAQI
25th Jun 2025408 PMAQI
25th Jun 2025449 PMAQI
25th Jun 20254510 PMAQI
25th Jun 20253211 PMAQI
26th Jun 20253012 AMAQI
26th Jun 2025301 AMAQI
26th Jun 2025332 AMAQI
26th Jun 2025353 AMAQI
26th Jun 2025364 AMAQI

29°C28/30°C

26th Jun 2025355 AMAQI
26th Jun 2025356 AMAQI
26th Jun 2025347 AMAQI
26th Jun 2025328 AMAQI
26th Jun 2025299 AMAQI
26th Jun 20253410 AMAQI
26th Jun 20253711 AMAQI
26th Jun 20253412 PMAQI
26th Jun 2025361 PMAQI
26th Jun 2025492 PMAQI
26th Jun 2025483 PMAQI
26th Jun 2025424 PMAQI
26th Jun 2025425 PMAQI
26th Jun 2025356 PMAQI
26th Jun 2025277 PMAQI
26th Jun 2025318 PMAQI
26th Jun 2025349 PMAQI
26th Jun 20254510 PMAQI
26th Jun 20254211 PMAQI
27th Jun 20254012 AMAQI
27th Jun 2025361 AMAQI
27th Jun 2025342 AMAQI
27th Jun 2025343 AMAQI
27th Jun 2025344 AMAQI

28°C28/29°C

27th Jun 2025335 AMAQI
27th Jun 2025336 AMAQI
27th Jun 2025337 AMAQI
27th Jun 2025228 AMAQI
27th Jun 2025299 AMAQI
27th Jun 20252610 AMAQI
27th Jun 20252911 AMAQI
27th Jun 20253912 PMAQI
27th Jun 2025351 PMAQI
27th Jun 2025422 PMAQI
27th Jun 2025473 PMAQI
27th Jun 2025494 PMAQI
27th Jun 2025505 PMAQI
27th Jun 2025516 PMAQI
27th Jun 2025387 PMAQI
27th Jun 2025358 PMAQI
27th Jun 2025449 PMAQI
27th Jun 20254610 PMAQI
27th Jun 20254111 PMAQI
28th Jun 20254212 AMAQI
28th Jun 2025351 AMAQI
28th Jun 2025342 AMAQI
28th Jun 2025343 AMAQI
28th Jun 2025334 AMAQI

29°C27/30°C

28th Jun 2025345 AMAQI
28th Jun 2025366 AMAQI
28th Jun 2025347 AMAQI
28th Jun 2025318 AMAQI
28th Jun 2025269 AMAQI
28th Jun 20253010 AMAQI
28th Jun 20252611 AMAQI
28th Jun 20252012 PMAQI
28th Jun 2025281 PMAQI
28th Jun 2025372 PMAQI
28th Jun 2025483 PMAQI
28th Jun 2025474 PMAQI
28th Jun 2025385 PMAQI
28th Jun 2025456 PMAQI
28th Jun 2025397 PMAQI
28th Jun 2025358 PMAQI
28th Jun 2025409 PMAQI
28th Jun 20253810 PMAQI
28th Jun 20253611 PMAQI
29th Jun 20253512 AMAQI
29th Jun 2025361 AMAQI
29th Jun 2025342 AMAQI
29th Jun 2025343 AMAQI
29th Jun 2025344 AMAQI

28°C27/29°C

29th Jun 2025335 AMAQI
29th Jun 2025346 AMAQI
29th Jun 2025337 AMAQI
29th Jun 2025388 AMAQI
29th Jun 2025409 AMAQI
29th Jun 20253410 AMAQI
29th Jun 20253811 AMAQI
29th Jun 20254512 PMAQI
29th Jun 2025411 PMAQI
29th Jun 2025402 PMAQI
29th Jun 2025463 PMAQI
29th Jun 2025444 PMAQI
29th Jun 2025445 PMAQI
29th Jun 2025416 PMAQI
29th Jun 2025307 PMAQI
29th Jun 2025308 PMAQI
29th Jun 2025319 PMAQI
29th Jun 20253610 PMAQI
29th Jun 20253511 PMAQI
30th Jun 20253612 AMAQI
30th Jun 2025341 AMAQI
30th Jun 2025332 AMAQI
30th Jun 2025343 AMAQI
30th Jun 2025364 AMAQI

28°C27/29°C

30th Jun 2025365 AMAQI
30th Jun 2025366 AMAQI
30th Jun 2025367 AMAQI
30th Jun 2025288 AMAQI
30th Jun 2025309 AMAQI
30th Jun 20253810 AMAQI
30th Jun 20253911 AMAQI
30th Jun 20253612 PMAQI
30th Jun 2025331 PMAQI
30th Jun 2025342 PMAQI
30th Jun 2025373 PMAQI
30th Jun 2025374 PMAQI
30th Jun 2025375 PMAQI
30th Jun 2025316 PMAQI
30th Jun 2025287 PMAQI
30th Jun 2025308 PMAQI
30th Jun 2025399 PMAQI
30th Jun 20254510 PMAQI
30th Jun 20253811 PMAQI
1st Jul 20253912 AMAQI
1st Jul 2025361 AMAQI
1st Jul 2025352 AMAQI
1st Jul 2025353 AMAQI
1st Jul 2025344 AMAQI

28°C27/30°C

1st Jul 2025345 AMAQI
1st Jul 2025346 AMAQI
1st Jul 2025347 AMAQI
1st Jul 2025228 AMAQI
1st Jul 2025249 AMAQI
1st Jul 20252910 AMAQI
1st Jul 20252811 AMAQI
1st Jul 20252412 PMAQI
1st Jul 2025271 PMAQI
1st Jul 2025372 PMAQI
1st Jul 2025363 PMAQI
1st Jul 2025314 PMAQI
1st Jul 2025335 PMAQI
1st Jul 2025326 PMAQI
1st Jul 2025277 PMAQI
1st Jul 2025288 PMAQI
1st Jul 2025389 PMAQI
1st Jul 20254010 PMAQI
1st Jul 20253411 PMAQI
2nd Jul 20252912 AMAQI
2nd Jul 2025321 AMAQI
2nd Jul 2025362 AMAQI
2nd Jul 2025343 AMAQI
2nd Jul 2025344 AMAQI

28°C27/29°C

2nd Jul 2025345 AMAQI
2nd Jul 2025336 AMAQI
2nd Jul 2025327 AMAQI
2nd Jul 2025288 AMAQI
2nd Jul 2025289 AMAQI
2nd Jul 20252810 AMAQI
2nd Jul 20253211 AMAQI
2nd Jul 20253812 PMAQI
2nd Jul 2025401 PMAQI
2nd Jul 2025352 PMAQI
2nd Jul 2025363 PMAQI
2nd Jul 2025364 PMAQI
2nd Jul 2025425 PMAQI
2nd Jul 2025456 PMAQI
2nd Jul 2025517 PMAQI
2nd Jul 2025528 PMAQI
2nd Jul 2025529 PMAQI
2nd Jul 20255210 PMAQI
2nd Jul 20255211 PMAQI
3rd Jul 20255212 AMAQI
3rd Jul 2025381 AMAQI
3rd Jul 2025342 AMAQI
3rd Jul 2025343 AMAQI
3rd Jul 2025344 AMAQI

28°C27/29°C

3rd Jul 2025345 AMAQI
3rd Jul 2025346 AMAQI
3rd Jul 2025347 AMAQI
3rd Jul 2025398 AMAQI
3rd Jul 2025469 AMAQI
3rd Jul 20254410 AMAQI
3rd Jul 20254411 AMAQI
3rd Jul 20254412 PMAQI
3rd Jul 2025441 PMAQI
3rd Jul 2025442 PMAQI
3rd Jul 2025443 PMAQI
3rd Jul 2025444 PMAQI
3rd Jul 2025515 PMAQI
3rd Jul 2025506 PMAQI
3rd Jul 2025507 PMAQI
3rd Jul 2025498 PMAQI
3rd Jul 2025499 PMAQI
3rd Jul 20254910 PMAQI
3rd Jul 20254611 PMAQI
4th Jul 20254012 AMAQI
4th Jul 2025351 AMAQI
4th Jul 2025352 AMAQI
4th Jul 2025363 AMAQI
4th Jul 2025384 AMAQI

0°C0/0°C

4th Jul 2025385 AMAQI
5 AM
12 PM
7 PM
12 AM
4 AM

0°C0/0°C

Day time
Avg. Highest Time
5 AM - 7 AM

43AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
8 AM - 9 AM

38AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 AM (Avg. 43), while the lowest AQI was between 8 AM to 9 AM (Avg. 38).
Night time
Avg. Highest Time
12 AM - 11 PM

43AQI

9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM

43AQI

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. 43), while the lowest AQI was between 12 AM to 11 PM (Avg. 43).

2025 Days Vs Air Quality

Wan Chai, Hong Kong Island, Hong Kong, China

2025

21%

38

71%

130

9%

16

Total number of days with different AQI categories in last 184 days in 2025 (181 days remaining)

Good
38 Days
Moderate
130 Days
Poor
16 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 21%

Health Risk Level:

Very high

In 2025, 21% of 184 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
2nd January 2025
141AQI
3rd January 2025
107AQI
4th January 2025
110AQI
5th January 2025
104AQI
6th January 2025
106AQI
7th January 2025
94AQI
8th January 2025
105AQI
9th January 2025
111AQI
10th January 2025
90AQI
11th January 2025
97AQI
12th January 2025
73AQI
13th January 2025
77AQI
14th January 2025
71AQI
15th January 2025
85AQI
16th January 2025
117AQI
17th January 2025
93AQI
18th January 2025
106AQI
19th January 2025
97AQI
20th January 2025
98AQI
21st January 2025
89AQI
22nd January 2025
88AQI
23rd January 2025
80AQI
24th January 2025
71AQI
25th January 2025
62AQI
26th January 2025
61AQI
27th January 2025
61AQI
28th January 2025
62AQI
29th January 2025
85AQI
30th January 2025
63AQI
31st January 2025
65AQI
1st February 2025
57AQI
2nd February 2025
61AQI
3rd February 2025
46AQI
4th February 2025
55AQI
5th February 2025
81AQI
6th February 2025
67AQI
7th February 2025
68AQI
8th February 2025
70AQI
9th February 2025
63AQI
10th February 2025
64AQI
11th February 2025
63AQI
12th February 2025
60AQI
13th February 2025
88AQI
14th February 2025
85AQI
15th February 2025
85AQI
16th February 2025
120AQI
17th February 2025
91AQI
18th February 2025
127AQI
19th February 2025
77AQI
20th February 2025
88AQI
21st February 2025
83AQI
22nd February 2025
74AQI
23rd February 2025
61AQI
24th February 2025
62AQI
25th February 2025
86AQI
26th February 2025
95AQI
27th February 2025
81AQI
28th February 2025
79AQI
1st March 2025
74AQI
2nd March 2025
70AQI
3rd March 2025
66AQI
4th March 2025
64AQI
5th March 2025
53AQI
6th March 2025
52AQI
7th March 2025
58AQI
8th March 2025
67AQI
9th March 2025
65AQI
10th March 2025
72AQI
11th March 2025
70AQI
12th March 2025
68AQI
13th March 2025
75AQI
14th March 2025
68AQI
15th March 2025
62AQI
16th March 2025
51AQI
17th March 2025
76AQI
18th March 2025
70AQI
19th March 2025
76AQI
20th March 2025
78AQI
21st March 2025
80AQI
22nd March 2025
77AQI
23rd March 2025
79AQI
24th March 2025
82AQI
25th March 2025
78AQI
26th March 2025
66AQI
27th March 2025
65AQI
28th March 2025
70AQI
29th March 2025
53AQI
30th March 2025
48AQI
31st March 2025
46AQI
1st April 2025
55AQI
2nd April 2025
56AQI
3rd April 2025
62AQI
4th April 2025
63AQI
5th April 2025
69AQI
6th April 2025
75AQI
7th April 2025
76AQI
8th April 2025
86AQI
9th April 2025
77AQI
10th April 2025
75AQI
11th April 2025
70AQI
12th April 2025
66AQI
13th April 2025
128AQI
14th April 2025
133AQI
15th April 2025
133AQI
16th April 2025
105AQI
17th April 2025
91AQI
18th April 2025
76AQI
19th April 2025
66AQI
20th April 2025
63AQI
21st April 2025
59AQI
22nd April 2025
63AQI
23rd April 2025
58AQI
24th April 2025
55AQI
25th April 2025
64AQI
26th April 2025
56AQI
27th April 2025
66AQI
28th April 2025
77AQI
29th April 2025
67AQI
30th April 2025
77AQI
1st May 2025
72AQI
2nd May 2025
82AQI
3rd May 2025
87AQI
4th May 2025
69AQI
5th May 2025
64AQI
6th May 2025
57AQI
7th May 2025
58AQI
8th May 2025
65AQI
9th May 2025
57AQI
10th May 2025
68AQI
11th May 2025
59AQI
12th May 2025
62AQI
13th May 2025
65AQI
14th May 2025
60AQI
15th May 2025
54AQI
16th May 2025
50AQI
17th May 2025
48AQI
18th May 2025
46AQI
19th May 2025
50AQI
20th May 2025
45AQI
21st May 2025
50AQI
22nd May 2025
46AQI
23rd May 2025
50AQI
24th May 2025
54AQI
25th May 2025
69AQI
26th May 2025
66AQI
27th May 2025
71AQI
28th May 2025
60AQI
29th May 2025
61AQI
30th May 2025
49AQI
31st May 2025
62AQI
1st June 2025
63AQI
2nd June 2025
56AQI
3rd June 2025
64AQI
4th June 2025
48AQI
5th June 2025
58AQI
6th June 2025
57AQI
7th June 2025
53AQI
8th June 2025
47AQI
9th June 2025
52AQI
10th June 2025
42AQI
11th June 2025
37AQI
12th June 2025
41AQI
13th June 2025
43AQI
14th June 2025
49AQI
15th June 2025
45AQI
16th June 2025
49AQI
17th June 2025
47AQI
18th June 2025
46AQI
19th June 2025
42AQI
20th June 2025
38AQI
21st June 2025
35AQI
22nd June 2025
34AQI
23rd June 2025
33AQI
24th June 2025
34AQI
25th June 2025
37AQI
26th June 2025
36AQI
27th June 2025
38AQI
28th June 2025
36AQI
29th June 2025
36AQI
30th June 2025
35AQI
1st July 2025
33AQI
2nd July 2025
36AQI
3rd July 2025
37AQI

90AQI

76AQI

67AQI

76AQI

60AQI

44AQI

35AQI

No. of days

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

202568AQI

21
10
1
25
2
2
29
26
4
9
22
23
7
3
38
130
16

Highest AQI recorded in

January

90AQI

Lowest AQI recorded in

July

35AQI

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

December

96AQI

Lowest AQI recorded in

July

30AQI

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

December

80AQI

Lowest AQI recorded in

June

47AQI

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

August

140AQI

Lowest AQI recorded in

June

39AQI

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

January

91AQI

Lowest AQI recorded in

July

44AQI

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

December

86AQI

Lowest AQI recorded in

July

26AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
68AQI
Least Polluted Year Recorded
2020(Avg.)
53AQI

Wan Chai's annual 2025 AQI (68) shows an average percentage change of 13.4% (worsened AQI) compared to previous years: 2020 (53), 2021 (62), 2022 (61), 2023 (64), 2024 (63).