Tai Wai Hui, Sha Tin District, 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
Tai Wai Hui, Sha Tin District, Hong Kong, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
31st Aug 2022
89AQILowest AQI recorded on
26th Aug 2021
15AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 51 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
Tai Wai Hui, Sha Tin District, Hong Kong, China
AQI
Day
Night
.
5 AM2nd Aug 2025
7 PM
4 AM3rd Aug 2025
Day time
Avg. Highest Time
5AM2nd Aug
56AQI
Avg. Lowest Time
2PM2nd Aug
36AQI
Night time
Avg. Highest Time
9PM2nd Aug
58AQI
Avg. Lowest Time
4AM3rd Aug
54AQI
In the last 24 hours,
Tai Wai Hui's AQI reached its highest point of 58 at 9 PM during the Night, while the lowest point, 36, was recorded at 2 PM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Tai Wai Hui, Sha Tin District, 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 2025315 AMAQI
4th Jul 2025316 AMAQI
4th Jul 2025317 AMAQI
4th Jul 2025348 AMAQI
4th Jul 2025429 AMAQI
4th Jul 20255010 AMAQI
4th Jul 20254811 AMAQI
4th Jul 20254212 PMAQI
4th Jul 2025431 PMAQI
4th Jul 2025392 PMAQI
4th Jul 2025443 PMAQI
4th Jul 2025454 PMAQI
4th Jul 2025475 PMAQI
4th Jul 2025516 PMAQI
4th Jul 2025457 PMAQI
4th Jul 2025398 PMAQI
4th Jul 2025409 PMAQI
4th Jul 20254110 PMAQI
4th Jul 20253811 PMAQI
5th Jul 20253212 AMAQI
5th Jul 2025321 AMAQI
5th Jul 2025312 AMAQI
5th Jul 2025333 AMAQI
5th Jul 2025364 AMAQI
29°C28/30°C
5th Jul 2025365 AMAQI
5th Jul 2025366 AMAQI
5th Jul 2025347 AMAQI
5th Jul 2025288 AMAQI
5th Jul 2025359 AMAQI
5th Jul 20253710 AMAQI
5th Jul 20254711 AMAQI
5th Jul 20255212 PMAQI
5th Jul 2025611 PMAQI
5th Jul 2025652 PMAQI
5th Jul 2025603 PMAQI
5th Jul 2025634 PMAQI
5th Jul 2025615 PMAQI
5th Jul 2025546 PMAQI
5th Jul 2025427 PMAQI
5th Jul 2025308 PMAQI
5th Jul 2025289 PMAQI
5th Jul 20253110 PMAQI
5th Jul 20253011 PMAQI
6th Jul 20252712 AMAQI
6th Jul 2025361 AMAQI
6th Jul 2025362 AMAQI
6th Jul 2025373 AMAQI
6th Jul 2025384 AMAQI
29°C28/31°C
6th Jul 2025405 AMAQI
6th Jul 2025406 AMAQI
6th Jul 2025397 AMAQI
6th Jul 2025298 AMAQI
6th Jul 2025239 AMAQI
6th Jul 20253010 AMAQI
6th Jul 20253911 AMAQI
6th Jul 20254112 PMAQI
6th Jul 2025491 PMAQI
6th Jul 2025562 PMAQI
6th Jul 2025613 PMAQI
6th Jul 2025684 PMAQI
6th Jul 2025695 PMAQI
6th Jul 2025696 PMAQI
6th Jul 2025557 PMAQI
6th Jul 2025418 PMAQI
6th Jul 2025399 PMAQI
6th Jul 20253610 PMAQI
6th Jul 20253311 PMAQI
7th Jul 20253212 AMAQI
7th Jul 2025361 AMAQI
7th Jul 2025372 AMAQI
7th Jul 2025373 AMAQI
7th Jul 2025384 AMAQI
29°C28/31°C
7th Jul 2025385 AMAQI
7th Jul 2025386 AMAQI
7th Jul 2025397 AMAQI
7th Jul 2025508 AMAQI
7th Jul 2025639 AMAQI
7th Jul 20256610 AMAQI
7th Jul 20256811 AMAQI
7th Jul 20257012 PMAQI
7th Jul 2025701 PMAQI
7th Jul 2025742 PMAQI
7th Jul 2025743 PMAQI
7th Jul 2025754 PMAQI
7th Jul 2025675 PMAQI
7th Jul 2025626 PMAQI
7th Jul 2025557 PMAQI
7th Jul 2025488 PMAQI
7th Jul 2025449 PMAQI
7th Jul 20253510 PMAQI
7th Jul 20253411 PMAQI
8th Jul 20253412 AMAQI
8th Jul 2025381 AMAQI
8th Jul 2025382 AMAQI
8th Jul 2025433 AMAQI
8th Jul 2025494 AMAQI
30°C29/31°C
8th Jul 2025495 AMAQI
8th Jul 2025506 AMAQI
8th Jul 2025497 AMAQI
8th Jul 2025388 AMAQI
8th Jul 2025329 AMAQI
8th Jul 20253010 AMAQI
8th Jul 20253411 AMAQI
8th Jul 20253712 PMAQI
8th Jul 2025291 PMAQI
8th Jul 2025302 PMAQI
8th Jul 2025363 PMAQI
8th Jul 2025324 PMAQI
8th Jul 2025285 PMAQI
8th Jul 2025266 PMAQI
8th Jul 2025327 PMAQI
8th Jul 2025358 PMAQI
8th Jul 2025369 PMAQI
8th Jul 20253610 PMAQI
8th Jul 20253811 PMAQI
9th Jul 20253612 AMAQI
9th Jul 2025421 AMAQI
9th Jul 2025432 AMAQI
9th Jul 2025423 AMAQI
9th Jul 2025404 AMAQI
29°C29/30°C
9th Jul 2025415 AMAQI
9th Jul 2025406 AMAQI
9th Jul 2025417 AMAQI
9th Jul 2025368 AMAQI
9th Jul 2025379 AMAQI
9th Jul 20253910 AMAQI
9th Jul 20254111 AMAQI
9th Jul 20254012 PMAQI
9th Jul 2025441 PMAQI
9th Jul 2025562 PMAQI
9th Jul 2025483 PMAQI
9th Jul 2025514 PMAQI
9th Jul 2025495 PMAQI
9th Jul 2025446 PMAQI
9th Jul 2025457 PMAQI
9th Jul 2025428 PMAQI
9th Jul 2025469 PMAQI
9th Jul 20254210 PMAQI
9th Jul 20254011 PMAQI
10th Jul 20254212 AMAQI
10th Jul 2025421 AMAQI
10th Jul 2025412 AMAQI
10th Jul 2025413 AMAQI
10th Jul 2025434 AMAQI
30°C28/31°C
10th Jul 2025435 AMAQI
10th Jul 2025426 AMAQI
10th Jul 2025417 AMAQI
10th Jul 2025338 AMAQI
10th Jul 2025449 AMAQI
10th Jul 20253310 AMAQI
10th Jul 20253211 AMAQI
10th Jul 20253912 PMAQI
10th Jul 2025521 PMAQI
10th Jul 2025542 PMAQI
10th Jul 2025553 PMAQI
10th Jul 2025524 PMAQI
10th Jul 2025545 PMAQI
10th Jul 2025536 PMAQI
10th Jul 2025487 PMAQI
10th Jul 2025508 PMAQI
10th Jul 2025509 PMAQI
10th Jul 20255110 PMAQI
10th Jul 20255011 PMAQI
11th Jul 20253712 AMAQI
11th Jul 2025421 AMAQI
11th Jul 2025432 AMAQI
11th Jul 2025433 AMAQI
11th Jul 2025434 AMAQI
28°C27/29°C
11th Jul 2025445 AMAQI
11th Jul 2025456 AMAQI
11th Jul 2025437 AMAQI
11th Jul 2025348 AMAQI
11th Jul 2025329 AMAQI
11th Jul 20253410 AMAQI
11th Jul 20254311 AMAQI
11th Jul 20254212 PMAQI
11th Jul 2025531 PMAQI
11th Jul 2025582 PMAQI
11th Jul 2025573 PMAQI
11th Jul 2025524 PMAQI
11th Jul 2025485 PMAQI
11th Jul 2025476 PMAQI
11th Jul 2025487 PMAQI
11th Jul 2025468 PMAQI
11th Jul 2025469 PMAQI
11th Jul 20254510 PMAQI
11th Jul 20255011 PMAQI
12th Jul 20255012 AMAQI
12th Jul 2025451 AMAQI
12th Jul 2025452 AMAQI
12th Jul 2025453 AMAQI
12th Jul 2025454 AMAQI
27°C27/28°C
12th Jul 2025455 AMAQI
12th Jul 2025466 AMAQI
12th Jul 2025467 AMAQI
12th Jul 2025338 AMAQI
12th Jul 2025289 AMAQI
12th Jul 20252910 AMAQI
12th Jul 20252911 AMAQI
12th Jul 20253612 PMAQI
12th Jul 2025461 PMAQI
12th Jul 2025522 PMAQI
12th Jul 2025433 PMAQI
12th Jul 2025344 PMAQI
12th Jul 2025345 PMAQI
12th Jul 2025366 PMAQI
12th Jul 2025407 PMAQI
12th Jul 2025428 PMAQI
12th Jul 2025439 PMAQI
12th Jul 20254410 PMAQI
12th Jul 20254911 PMAQI
13th Jul 20254412 AMAQI
13th Jul 2025481 AMAQI
13th Jul 2025482 AMAQI
13th Jul 2025473 AMAQI
13th Jul 2025454 AMAQI
29°C28/30°C
13th Jul 2025445 AMAQI
13th Jul 2025446 AMAQI
13th Jul 2025457 AMAQI
13th Jul 2025448 AMAQI
13th Jul 2025479 AMAQI
13th Jul 20255110 AMAQI
13th Jul 20255111 AMAQI
13th Jul 20255312 PMAQI
13th Jul 2025541 PMAQI
13th Jul 2025532 PMAQI
13th Jul 2025523 PMAQI
13th Jul 2025504 PMAQI
13th Jul 2025505 PMAQI
13th Jul 2025476 PMAQI
13th Jul 2025467 PMAQI
13th Jul 2025508 PMAQI
13th Jul 2025509 PMAQI
13th Jul 20254810 PMAQI
13th Jul 20255211 PMAQI
14th Jul 20254812 AMAQI
14th Jul 2025481 AMAQI
14th Jul 2025482 AMAQI
14th Jul 2025483 AMAQI
14th Jul 2025484 AMAQI
29°C28/30°C
14th Jul 2025495 AMAQI
14th Jul 2025496 AMAQI
14th Jul 2025487 AMAQI
14th Jul 2025418 AMAQI
14th Jul 2025459 AMAQI
14th Jul 20253810 AMAQI
14th Jul 20254711 AMAQI
14th Jul 20254712 PMAQI
14th Jul 2025481 PMAQI
14th Jul 2025442 PMAQI
14th Jul 2025443 PMAQI
14th Jul 2025424 PMAQI
14th Jul 2025425 PMAQI
14th Jul 2025386 PMAQI
14th Jul 2025357 PMAQI
14th Jul 2025428 PMAQI
14th Jul 2025459 PMAQI
14th Jul 20254510 PMAQI
14th Jul 20254511 PMAQI
15th Jul 20254512 AMAQI
15th Jul 2025521 AMAQI
15th Jul 2025502 AMAQI
15th Jul 2025503 AMAQI
15th Jul 2025514 AMAQI
29°C28/30°C
15th Jul 2025505 AMAQI
15th Jul 2025516 AMAQI
15th Jul 2025517 AMAQI
15th Jul 2025408 AMAQI
15th Jul 2025409 AMAQI
15th Jul 20254310 AMAQI
15th Jul 20254411 AMAQI
15th Jul 20254412 PMAQI
15th Jul 2025411 PMAQI
15th Jul 2025412 PMAQI
15th Jul 2025393 PMAQI
15th Jul 2025414 PMAQI
15th Jul 2025445 PMAQI
15th Jul 2025406 PMAQI
15th Jul 2025417 PMAQI
15th Jul 2025468 PMAQI
15th Jul 2025489 PMAQI
15th Jul 20254610 PMAQI
15th Jul 20254811 PMAQI
16th Jul 20254612 AMAQI
16th Jul 2025501 AMAQI
16th Jul 2025522 AMAQI
16th Jul 2025513 AMAQI
16th Jul 2025494 AMAQI
29°C29/30°C
16th Jul 2025505 AMAQI
16th Jul 2025506 AMAQI
16th Jul 2025507 AMAQI
16th Jul 2025448 AMAQI
16th Jul 2025439 AMAQI
16th Jul 20254610 AMAQI
16th Jul 20254411 AMAQI
16th Jul 20254312 PMAQI
16th Jul 2025401 PMAQI
16th Jul 2025422 PMAQI
16th Jul 2025423 PMAQI
16th Jul 2025404 PMAQI
16th Jul 2025405 PMAQI
16th Jul 2025466 PMAQI
16th Jul 2025427 PMAQI
16th Jul 2025478 PMAQI
16th Jul 2025459 PMAQI
16th Jul 20254610 PMAQI
16th Jul 20254611 PMAQI
17th Jul 20254612 AMAQI
17th Jul 2025511 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025513 AMAQI
17th Jul 2025514 AMAQI
29°C29/30°C
17th Jul 2025515 AMAQI
17th Jul 2025506 AMAQI
17th Jul 2025517 AMAQI
17th Jul 2025458 AMAQI
17th Jul 2025479 AMAQI
17th Jul 20254410 AMAQI
17th Jul 20254811 AMAQI
17th Jul 20254212 PMAQI
17th Jul 2025521 PMAQI
17th Jul 2025502 PMAQI
17th Jul 2025503 PMAQI
17th Jul 2025504 PMAQI
17th Jul 2025545 PMAQI
17th Jul 2025556 PMAQI
17th Jul 2025567 PMAQI
17th Jul 2025548 PMAQI
17th Jul 2025579 PMAQI
17th Jul 20255610 PMAQI
17th Jul 20255511 PMAQI
18th Jul 20255312 AMAQI
18th Jul 2025521 AMAQI
18th Jul 2025512 AMAQI
18th Jul 2025513 AMAQI
18th Jul 2025524 AMAQI
30°C29/31°C
18th Jul 2025515 AMAQI
18th Jul 2025526 AMAQI
18th Jul 2025527 AMAQI
18th Jul 2025538 AMAQI
18th Jul 2025559 AMAQI
18th Jul 20255710 AMAQI
18th Jul 20255811 AMAQI
18th Jul 20256112 PMAQI
18th Jul 2025621 PMAQI
18th Jul 2025462 PMAQI
18th Jul 2025433 PMAQI
18th Jul 2025444 PMAQI
18th Jul 2025485 PMAQI
18th Jul 2025516 PMAQI
18th Jul 2025527 PMAQI
18th Jul 2025518 PMAQI
18th Jul 2025519 PMAQI
18th Jul 20255210 PMAQI
18th Jul 20255311 PMAQI
19th Jul 20255312 AMAQI
19th Jul 2025531 AMAQI
19th Jul 2025542 AMAQI
19th Jul 2025533 AMAQI
19th Jul 2025534 AMAQI
30°C29/32°C
19th Jul 2025545 AMAQI
19th Jul 2025546 AMAQI
19th Jul 2025537 AMAQI
19th Jul 2025608 AMAQI
19th Jul 2025679 AMAQI
19th Jul 20257210 AMAQI
19th Jul 20256511 AMAQI
19th Jul 20256412 PMAQI
19th Jul 2025671 PMAQI
19th Jul 2025672 PMAQI
19th Jul 2025623 PMAQI
19th Jul 2025594 PMAQI
19th Jul 2025605 PMAQI
19th Jul 2025566 PMAQI
19th Jul 2025527 PMAQI
19th Jul 2025538 PMAQI
19th Jul 2025539 PMAQI
19th Jul 20254410 PMAQI
19th Jul 20254211 PMAQI
20th Jul 20254012 AMAQI
20th Jul 2025521 AMAQI
20th Jul 2025532 AMAQI
20th Jul 2025553 AMAQI
20th Jul 2025574 AMAQI
29°C27/32°C
20th Jul 2025575 AMAQI
20th Jul 2025576 AMAQI
20th Jul 2025577 AMAQI
20th Jul 2025368 AMAQI
20th Jul 2025169 AMAQI
20th Jul 20251310 AMAQI
20th Jul 20251511 AMAQI
20th Jul 20251812 PMAQI
20th Jul 2025201 PMAQI
20th Jul 2025222 PMAQI
20th Jul 2025243 PMAQI
20th Jul 2025204 PMAQI
20th Jul 2025185 PMAQI
20th Jul 2025206 PMAQI
20th Jul 2025277 PMAQI
20th Jul 2025398 PMAQI
20th Jul 2025409 PMAQI
20th Jul 20254010 PMAQI
20th Jul 20254011 PMAQI
21st Jul 20254112 AMAQI
21st Jul 2025521 AMAQI
21st Jul 2025552 AMAQI
21st Jul 2025523 AMAQI
21st Jul 2025514 AMAQI
28°C27/28°C
21st Jul 2025505 AMAQI
21st Jul 2025506 AMAQI
21st Jul 2025497 AMAQI
21st Jul 2025288 AMAQI
21st Jul 2025209 AMAQI
21st Jul 20251910 AMAQI
21st Jul 20252411 AMAQI
21st Jul 20252412 PMAQI
21st Jul 2025321 PMAQI
21st Jul 2025272 PMAQI
21st Jul 2025293 PMAQI
21st Jul 2025334 PMAQI
21st Jul 2025345 PMAQI
21st Jul 2025396 PMAQI
21st Jul 2025367 PMAQI
21st Jul 2025428 PMAQI
21st Jul 2025399 PMAQI
21st Jul 20253810 PMAQI
21st Jul 20254011 PMAQI
22nd Jul 20254212 AMAQI
22nd Jul 2025501 AMAQI
22nd Jul 2025522 AMAQI
22nd Jul 2025493 AMAQI
22nd Jul 2025474 AMAQI
28°C28/28°C
22nd Jul 2025485 AMAQI
22nd Jul 2025476 AMAQI
22nd Jul 2025467 AMAQI
22nd Jul 2025348 AMAQI
22nd Jul 2025309 AMAQI
22nd Jul 20252510 AMAQI
22nd Jul 20252611 AMAQI
22nd Jul 20252612 PMAQI
22nd Jul 2025311 PMAQI
22nd Jul 2025352 PMAQI
22nd Jul 2025353 PMAQI
22nd Jul 2025324 PMAQI
22nd Jul 2025295 PMAQI
22nd Jul 2025286 PMAQI
22nd Jul 2025377 PMAQI
22nd Jul 2025438 PMAQI
22nd Jul 2025419 PMAQI
22nd Jul 20253510 PMAQI
22nd Jul 20253611 PMAQI
23rd Jul 20253412 AMAQI
23rd Jul 2025461 AMAQI
23rd Jul 2025502 AMAQI
23rd Jul 2025483 AMAQI
23rd Jul 2025464 AMAQI
28°C27/29°C
23rd Jul 2025465 AMAQI
23rd Jul 2025456 AMAQI
23rd Jul 2025447 AMAQI
23rd Jul 2025268 AMAQI
23rd Jul 2025169 AMAQI
23rd Jul 20252210 AMAQI
23rd Jul 20252311 AMAQI
23rd Jul 20252412 PMAQI
23rd Jul 2025261 PMAQI
23rd Jul 2025252 PMAQI
23rd Jul 2025233 PMAQI
23rd Jul 2025264 PMAQI
23rd Jul 2025235 PMAQI
23rd Jul 2025216 PMAQI
23rd Jul 2025287 PMAQI
23rd Jul 2025368 PMAQI
23rd Jul 2025409 PMAQI
23rd Jul 20254410 PMAQI
23rd Jul 20254211 PMAQI
24th Jul 20254312 AMAQI
24th Jul 2025441 AMAQI
24th Jul 2025442 AMAQI
24th Jul 2025443 AMAQI
24th Jul 2025424 AMAQI
28°C27/29°C
24th Jul 2025425 AMAQI
24th Jul 2025416 AMAQI
24th Jul 2025417 AMAQI
24th Jul 2025328 AMAQI
24th Jul 2025429 AMAQI
24th Jul 20255210 AMAQI
24th Jul 20255411 AMAQI
24th Jul 20255212 PMAQI
24th Jul 2025571 PMAQI
24th Jul 2025602 PMAQI
24th Jul 2025613 PMAQI
24th Jul 2025704 PMAQI
24th Jul 2025695 PMAQI
24th Jul 2025756 PMAQI
24th Jul 2025687 PMAQI
24th Jul 2025558 PMAQI
24th Jul 2025519 PMAQI
24th Jul 20255110 PMAQI
24th Jul 20255011 PMAQI
25th Jul 20255412 AMAQI
25th Jul 2025461 AMAQI
25th Jul 2025442 AMAQI
25th Jul 2025453 AMAQI
25th Jul 2025484 AMAQI
29°C27/30°C
25th Jul 2025475 AMAQI
25th Jul 2025476 AMAQI
25th Jul 2025477 AMAQI
25th Jul 2025468 AMAQI
25th Jul 2025519 AMAQI
25th Jul 20254610 AMAQI
25th Jul 20255011 AMAQI
25th Jul 20255812 PMAQI
25th Jul 2025671 PMAQI
25th Jul 2025772 PMAQI
25th Jul 2025833 PMAQI
25th Jul 2025904 PMAQI
25th Jul 2025845 PMAQI
25th Jul 2025856 PMAQI
25th Jul 2025837 PMAQI
25th Jul 2025658 PMAQI
25th Jul 2025569 PMAQI
25th Jul 20255010 PMAQI
25th Jul 20254211 PMAQI
26th Jul 20254112 AMAQI
26th Jul 2025461 AMAQI
26th Jul 2025482 AMAQI
26th Jul 2025523 AMAQI
26th Jul 2025544 AMAQI
29°C28/31°C
26th Jul 2025545 AMAQI
26th Jul 2025536 AMAQI
26th Jul 2025547 AMAQI
26th Jul 2025538 AMAQI
26th Jul 2025589 AMAQI
26th Jul 20256010 AMAQI
26th Jul 20256111 AMAQI
26th Jul 20256112 PMAQI
26th Jul 2025641 PMAQI
26th Jul 2025722 PMAQI
26th Jul 2025803 PMAQI
26th Jul 2025854 PMAQI
26th Jul 2025825 PMAQI
26th Jul 2025806 PMAQI
26th Jul 2025687 PMAQI
26th Jul 2025578 PMAQI
26th Jul 2025599 PMAQI
26th Jul 20255810 PMAQI
26th Jul 20255811 PMAQI
27th Jul 20255612 AMAQI
27th Jul 2025531 AMAQI
27th Jul 2025522 AMAQI
27th Jul 2025533 AMAQI
27th Jul 2025554 AMAQI
29°C28/31°C
27th Jul 2025555 AMAQI
27th Jul 2025556 AMAQI
27th Jul 2025557 AMAQI
27th Jul 2025588 AMAQI
27th Jul 2025589 AMAQI
27th Jul 20256010 AMAQI
27th Jul 20255511 AMAQI
27th Jul 20255412 PMAQI
27th Jul 2025531 PMAQI
27th Jul 2025532 PMAQI
27th Jul 2025543 PMAQI
27th Jul 2025564 PMAQI
27th Jul 2025575 PMAQI
27th Jul 2025506 PMAQI
27th Jul 2025487 PMAQI
27th Jul 2025528 PMAQI
27th Jul 2025509 PMAQI
27th Jul 20255110 PMAQI
27th Jul 20254511 PMAQI
28th Jul 20254712 AMAQI
28th Jul 2025521 AMAQI
28th Jul 2025542 AMAQI
28th Jul 2025543 AMAQI
28th Jul 2025554 AMAQI
29°C28/30°C
28th Jul 2025555 AMAQI
28th Jul 2025556 AMAQI
28th Jul 2025557 AMAQI
28th Jul 2025308 AMAQI
28th Jul 2025299 AMAQI
28th Jul 20253310 AMAQI
28th Jul 20254611 AMAQI
28th Jul 20255312 PMAQI
28th Jul 2025581 PMAQI
28th Jul 2025602 PMAQI
28th Jul 2025643 PMAQI
28th Jul 2025734 PMAQI
28th Jul 2025725 PMAQI
28th Jul 2025746 PMAQI
28th Jul 2025707 PMAQI
28th Jul 2025628 PMAQI
28th Jul 2025629 PMAQI
28th Jul 20256010 PMAQI
28th Jul 20256011 PMAQI
29th Jul 20255812 AMAQI
29th Jul 2025541 AMAQI
29th Jul 2025542 AMAQI
29th Jul 2025543 AMAQI
29th Jul 2025544 AMAQI
29°C28/30°C
29th Jul 2025545 AMAQI
29th Jul 2025546 AMAQI
29th Jul 2025547 AMAQI
29th Jul 2025568 AMAQI
29th Jul 2025579 AMAQI
29th Jul 20254610 AMAQI
29th Jul 20255011 AMAQI
29th Jul 20254012 PMAQI
29th Jul 2025381 PMAQI
29th Jul 2025362 PMAQI
29th Jul 2025423 PMAQI
29th Jul 2025554 PMAQI
29th Jul 2025545 PMAQI
29th Jul 2025526 PMAQI
29th Jul 2025507 PMAQI
29th Jul 2025558 PMAQI
29th Jul 2025549 PMAQI
29th Jul 20255410 PMAQI
29th Jul 20255411 PMAQI
30th Jul 20255312 AMAQI
30th Jul 2025541 AMAQI
30th Jul 2025552 AMAQI
30th Jul 2025553 AMAQI
30th Jul 2025544 AMAQI
29°C28/30°C
30th Jul 2025545 AMAQI
30th Jul 2025546 AMAQI
30th Jul 2025547 AMAQI
30th Jul 2025568 AMAQI
30th Jul 2025599 AMAQI
30th Jul 20256110 AMAQI
30th Jul 20256211 AMAQI
30th Jul 20256812 PMAQI
30th Jul 2025711 PMAQI
30th Jul 2025742 PMAQI
30th Jul 2025743 PMAQI
30th Jul 2025714 PMAQI
30th Jul 2025645 PMAQI
30th Jul 2025566 PMAQI
30th Jul 2025577 PMAQI
30th Jul 2025568 PMAQI
30th Jul 2025549 PMAQI
30th Jul 20255610 PMAQI
30th Jul 20255611 PMAQI
31st Jul 20255312 AMAQI
31st Jul 2025541 AMAQI
31st Jul 2025552 AMAQI
31st Jul 2025543 AMAQI
31st Jul 2025544 AMAQI
29°C29/31°C
31st Jul 2025545 AMAQI
31st Jul 2025546 AMAQI
31st Jul 2025547 AMAQI
31st Jul 2025548 AMAQI
31st Jul 2025549 AMAQI
31st Jul 20255210 AMAQI
31st Jul 20255211 AMAQI
31st Jul 20255212 PMAQI
31st Jul 2025461 PMAQI
31st Jul 2025442 PMAQI
31st Jul 2025403 PMAQI
31st Jul 2025424 PMAQI
31st Jul 2025405 PMAQI
31st Jul 2025406 PMAQI
31st Jul 2025487 PMAQI
31st Jul 2025528 PMAQI
31st Jul 2025509 PMAQI
31st Jul 20255910 PMAQI
31st Jul 20255411 PMAQI
1st Aug 20255412 AMAQI
1st Aug 2025541 AMAQI
1st Aug 2025552 AMAQI
1st Aug 2025543 AMAQI
1st Aug 2025544 AMAQI
29°C28/29°C
1st Aug 2025535 AMAQI
1st Aug 2025556 AMAQI
1st Aug 2025557 AMAQI
1st Aug 2025578 AMAQI
1st Aug 2025639 AMAQI
1st Aug 20255810 AMAQI
1st Aug 20255411 AMAQI
1st Aug 20255512 PMAQI
1st Aug 2025591 PMAQI
1st Aug 2025542 PMAQI
1st Aug 2025543 PMAQI
1st Aug 2025514 PMAQI
1st Aug 2025445 PMAQI
1st Aug 2025526 PMAQI
1st Aug 2025517 PMAQI
1st Aug 2025538 PMAQI
1st Aug 2025539 PMAQI
1st Aug 20255310 PMAQI
1st Aug 20255211 PMAQI
2nd Aug 20255712 AMAQI
2nd Aug 2025551 AMAQI
2nd Aug 2025562 AMAQI
2nd Aug 2025563 AMAQI
2nd Aug 2025564 AMAQI
29°C28/30°C
2nd Aug 2025565 AMAQI
2nd Aug 2025566 AMAQI
2nd Aug 2025567 AMAQI
2nd Aug 2025438 AMAQI
2nd Aug 2025429 AMAQI
2nd Aug 20254410 AMAQI
2nd Aug 20254011 AMAQI
2nd Aug 20254012 PMAQI
2nd Aug 2025421 PMAQI
2nd Aug 2025362 PMAQI
2nd Aug 2025383 PMAQI
2nd Aug 2025414 PMAQI
2nd Aug 2025475 PMAQI
2nd Aug 2025426 PMAQI
2nd Aug 2025537 PMAQI
2nd Aug 2025578 PMAQI
2nd Aug 2025589 PMAQI
2nd Aug 20255710 PMAQI
2nd Aug 20255611 PMAQI
3rd Aug 20255712 AMAQI
3rd Aug 2025561 AMAQI
3rd Aug 2025572 AMAQI
3rd Aug 2025553 AMAQI
3rd Aug 2025544 AMAQI
28°C28/29°C
3rd Aug 2025545 AMAQI
5 AM3rd Aug 2025546 AMAQI
3rd Aug 2025557 AMAQI
3rd Aug 2025498 AMAQI
3rd Aug 2025469 AMAQI
3rd Aug 20255510 AMAQI
3rd Aug 20255611 AMAQI
3rd Aug 20254812 PMAQI
12 PM3rd Aug 2025421 PMAQI
3rd Aug 2025482 PMAQI
3rd Aug 2025563 PMAQI
3rd Aug 2025594 PMAQI
3rd Aug 2025565 PMAQI
3rd Aug 2025586 PMAQI
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
1 PM - 7 PM
50AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
8 AM - 12 PM
44AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 7 PM (Avg. 50), while the lowest AQI was between 8 AM to 12 PM (Avg. 44).
Night time
Avg. Highest Time
12 AM - 11 PM
47AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
47AQI
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. 47), while the lowest AQI was between 12 AM to 11 PM (Avg. 47).
2025 Days Vs Air Quality
Tai Wai Hui, Sha Tin District, Hong Kong, China
2025
40%
86
57%
121
3%
7
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
86 DaysModerate
121 DaysPoor
7 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 40%
Health Risk Level:
Significant
In 2025, 40% of 215 days were within WHO’s safe air quality limits, and 60% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Tai Wai Hui, Sha Tin District, 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
101AQI
101AQI
2nd January 2025
118AQI
118AQI
3rd January 2025
93AQI
93AQI
4th January 2025
95AQI
95AQI
5th January 2025
88AQI
88AQI
6th January 2025
93AQI
93AQI
7th January 2025
84AQI
84AQI
8th January 2025
94AQI
94AQI
9th January 2025
96AQI
96AQI
10th January 2025
76AQI
76AQI
11th January 2025
86AQI
86AQI
12th January 2025
64AQI
64AQI
13th January 2025
68AQI
68AQI
14th January 2025
62AQI
62AQI
15th January 2025
72AQI
72AQI
16th January 2025
99AQI
99AQI
17th January 2025
78AQI
78AQI
18th January 2025
91AQI
91AQI
19th January 2025
84AQI
84AQI
20th January 2025
87AQI
87AQI
21st January 2025
76AQI
76AQI
22nd January 2025
78AQI
78AQI
23rd January 2025
70AQI
70AQI
24th January 2025
60AQI
60AQI
25th January 2025
53AQI
53AQI
26th January 2025
45AQI
45AQI
27th January 2025
52AQI
52AQI
28th January 2025
53AQI
53AQI
29th January 2025
77AQI
77AQI
30th January 2025
56AQI
56AQI
31st January 2025
55AQI
55AQI
1st February 2025
42AQI
42AQI
2nd February 2025
43AQI
43AQI
3rd February 2025
30AQI
30AQI
4th February 2025
40AQI
40AQI
5th February 2025
64AQI
64AQI
6th February 2025
56AQI
56AQI
7th February 2025
50AQI
50AQI
8th February 2025
58AQI
58AQI
9th February 2025
51AQI
51AQI
10th February 2025
57AQI
57AQI
11th February 2025
53AQI
53AQI
12th February 2025
50AQI
50AQI
13th February 2025
75AQI
75AQI
14th February 2025
70AQI
70AQI
15th February 2025
79AQI
79AQI
16th February 2025
107AQI
107AQI
17th February 2025
82AQI
82AQI
18th February 2025
109AQI
109AQI
19th February 2025
67AQI
67AQI
20th February 2025
74AQI
74AQI
21st February 2025
70AQI
70AQI
22nd February 2025
63AQI
63AQI
23rd February 2025
46AQI
46AQI
24th February 2025
52AQI
52AQI
25th February 2025
77AQI
77AQI
26th February 2025
78AQI
78AQI
27th February 2025
69AQI
69AQI
28th February 2025
65AQI
65AQI
1st March 2025
62AQI
62AQI
2nd March 2025
50AQI
50AQI
3rd March 2025
46AQI
46AQI
4th March 2025
44AQI
44AQI
5th March 2025
36AQI
36AQI
6th March 2025
34AQI
34AQI
7th March 2025
45AQI
45AQI
8th March 2025
56AQI
56AQI
9th March 2025
58AQI
58AQI
10th March 2025
61AQI
61AQI
11th March 2025
60AQI
60AQI
12th March 2025
55AQI
55AQI
13th March 2025
56AQI
56AQI
14th March 2025
52AQI
52AQI
15th March 2025
46AQI
46AQI
16th March 2025
37AQI
37AQI
17th March 2025
69AQI
69AQI
18th March 2025
61AQI
61AQI
19th March 2025
68AQI
68AQI
20th March 2025
70AQI
70AQI
21st March 2025
74AQI
74AQI
22nd March 2025
70AQI
70AQI
23rd March 2025
70AQI
70AQI
24th March 2025
69AQI
69AQI
25th March 2025
69AQI
69AQI
26th March 2025
54AQI
54AQI
27th March 2025
57AQI
57AQI
28th March 2025
58AQI
58AQI
29th March 2025
37AQI
37AQI
30th March 2025
34AQI
34AQI
31st March 2025
37AQI
37AQI
1st April 2025
45AQI
45AQI
2nd April 2025
48AQI
48AQI
3rd April 2025
57AQI
57AQI
4th April 2025
58AQI
58AQI
5th April 2025
60AQI
60AQI
6th April 2025
67AQI
67AQI
7th April 2025
69AQI
69AQI
8th April 2025
74AQI
74AQI
9th April 2025
59AQI
59AQI
10th April 2025
61AQI
61AQI
11th April 2025
57AQI
57AQI
12th April 2025
54AQI
54AQI
13th April 2025
120AQI
120AQI
14th April 2025
126AQI
126AQI
15th April 2025
120AQI
120AQI
16th April 2025
93AQI
93AQI
17th April 2025
81AQI
81AQI
18th April 2025
68AQI
68AQI
19th April 2025
59AQI
59AQI
20th April 2025
53AQI
53AQI
21st April 2025
53AQI
53AQI
22nd April 2025
55AQI
55AQI
23rd April 2025
52AQI
52AQI
24th April 2025
44AQI
44AQI
25th April 2025
49AQI
49AQI
26th April 2025
43AQI
43AQI
27th April 2025
52AQI
52AQI
28th April 2025
61AQI
61AQI
29th April 2025
58AQI
58AQI
30th April 2025
67AQI
67AQI
1st May 2025
61AQI
61AQI
2nd May 2025
71AQI
71AQI
3rd May 2025
73AQI
73AQI
4th May 2025
60AQI
60AQI
5th May 2025
59AQI
59AQI
6th May 2025
51AQI
51AQI
7th May 2025
49AQI
49AQI
8th May 2025
58AQI
58AQI
9th May 2025
44AQI
44AQI
10th May 2025
55AQI
55AQI
11th May 2025
54AQI
54AQI
12th May 2025
58AQI
58AQI
13th May 2025
60AQI
60AQI
14th May 2025
51AQI
51AQI
15th May 2025
48AQI
48AQI
16th May 2025
39AQI
39AQI
17th May 2025
35AQI
35AQI
18th May 2025
38AQI
38AQI
19th May 2025
41AQI
41AQI
20th May 2025
34AQI
34AQI
21st May 2025
44AQI
44AQI
22nd May 2025
38AQI
38AQI
23rd May 2025
40AQI
40AQI
24th May 2025
45AQI
45AQI
25th May 2025
64AQI
64AQI
26th May 2025
60AQI
60AQI
27th May 2025
64AQI
64AQI
28th May 2025
54AQI
54AQI
29th May 2025
53AQI
53AQI
30th May 2025
42AQI
42AQI
31st May 2025
56AQI
56AQI
1st June 2025
55AQI
55AQI
2nd June 2025
48AQI
48AQI
3rd June 2025
49AQI
49AQI
4th June 2025
36AQI
36AQI
5th June 2025
50AQI
50AQI
6th June 2025
47AQI
47AQI
7th June 2025
41AQI
41AQI
8th June 2025
31AQI
31AQI
9th June 2025
36AQI
36AQI
10th June 2025
30AQI
30AQI
11th June 2025
27AQI
27AQI
12th June 2025
29AQI
29AQI
13th June 2025
28AQI
28AQI
14th June 2025
37AQI
37AQI
15th June 2025
35AQI
35AQI
16th June 2025
36AQI
36AQI
17th June 2025
37AQI
37AQI
18th June 2025
32AQI
32AQI
19th June 2025
36AQI
36AQI
20th June 2025
30AQI
30AQI
21st June 2025
27AQI
27AQI
22nd June 2025
22AQI
22AQI
23rd June 2025
23AQI
23AQI
24th June 2025
24AQI
24AQI
25th June 2025
26AQI
26AQI
26th June 2025
24AQI
24AQI
27th June 2025
25AQI
25AQI
28th June 2025
23AQI
23AQI
29th June 2025
26AQI
26AQI
30th June 2025
26AQI
26AQI
1st July 2025
24AQI
24AQI
2nd July 2025
24AQI
24AQI
3rd July 2025
31AQI
31AQI
4th July 2025
38AQI
38AQI
5th July 2025
40AQI
40AQI
6th July 2025
43AQI
43AQI
7th July 2025
50AQI
50AQI
8th July 2025
37AQI
37AQI
9th July 2025
43AQI
43AQI
10th July 2025
46AQI
46AQI
11th July 2025
45AQI
45AQI
12th July 2025
42AQI
42AQI
13th July 2025
48AQI
48AQI
14th July 2025
45AQI
45AQI
15th July 2025
46AQI
46AQI
16th July 2025
46AQI
46AQI
17th July 2025
51AQI
51AQI
18th July 2025
52AQI
52AQI
19th July 2025
56AQI
56AQI
20th July 2025
36AQI
36AQI
21st July 2025
39AQI
39AQI
22nd July 2025
39AQI
39AQI
23rd July 2025
35AQI
35AQI
24th July 2025
52AQI
52AQI
25th July 2025
58AQI
58AQI
26th July 2025
60AQI
60AQI
27th July 2025
53AQI
53AQI
28th July 2025
57AQI
57AQI
29th July 2025
52AQI
52AQI
30th July 2025
59AQI
59AQI
31st July 2025
51AQI
51AQI
1st August 2025
54AQI
54AQI
2nd August 2025
51AQI
51AQI
78AQI
63AQI
55AQI
65AQI
52AQI
33AQI
45AQI
53AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202556AQI
1
28
2
7
19
2
11
20
5
22
3
13
18
29
1
20
11
2
86
121
7
Highest AQI recorded in
January78AQI
Lowest AQI recorded in
June33AQI
202451AQI
4
23
4
15
14
11
20
17
13
19
12
29
29
2
25
6
22
8
10
21
12
18
25
6
193
162
10
Highest AQI recorded in
December84AQI
Lowest AQI recorded in
July30AQI
202348AQI
7
24
14
14
12
18
1
14
16
17
14
28
2
28
3
28
3
24
6
10
21
7
22
5
26
194
169
1
Highest AQI recorded in
December66AQI
Lowest AQI recorded in
June26AQI
202250AQI
6
22
3
11
10
16
15
13
17
21
10
30
21
1
1
4
20
4
12
19
24
6
13
16
2
171
137
9
Highest AQI recorded in
August89AQI
Lowest AQI recorded in
June26AQI
202149AQI
1
28
2
15
13
15
16
13
17
26
5
28
2
26
5
28
3
18
12
20
11
7
23
5
22
4
202
157
6
Highest AQI recorded in
January73AQI
Lowest AQI recorded in
July32AQI
202048AQI
4
9
9
12
15
3
30
31
23
8
19
10
1
2
29
7
23
1
30
141
124
1
Highest AQI recorded in
December72AQI
Lowest AQI recorded in
June24AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
56AQILeast Polluted Year Recorded
2023(Avg.)
48AQITai Wai Hui's annual 2025 AQI (56) shows an average percentage change of 13.1% (worsened AQI) compared to previous years: 2020 (48), 2021 (49), 2022 (50), 2023 (48), 2024 (51).
