Sai Kung 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
Sai Kung District, Hong Kong, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2024
72AQILowest AQI recorded on
22nd Aug 2021
15AQISame Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 54 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
Sai Kung District, Hong Kong, China
AQI
Day
Night
.
5 AM2nd Aug 2025
7 PM
4 AM3rd Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
9PM2nd Aug
58AQI
Avg. Lowest Time
3PM2nd Aug
32AQI
In the last 24 hours,
Sai Kung District's AQI reached its highest point of 58 at 9 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Sai Kung 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 2025295 AMAQI
4th Jul 2025296 AMAQI
4th Jul 2025297 AMAQI
4th Jul 2025358 AMAQI
4th Jul 2025459 AMAQI
4th Jul 20255310 AMAQI
4th Jul 20255211 AMAQI
4th Jul 20254312 PMAQI
4th Jul 2025471 PMAQI
4th Jul 2025422 PMAQI
4th Jul 2025443 PMAQI
4th Jul 2025444 PMAQI
4th Jul 2025425 PMAQI
4th Jul 2025436 PMAQI
4th Jul 2025477 PMAQI
4th Jul 2025388 PMAQI
4th Jul 2025369 PMAQI
4th Jul 20253710 PMAQI
4th Jul 20253511 PMAQI
5th Jul 20253312 AMAQI
5th Jul 2025311 AMAQI
5th Jul 2025312 AMAQI
5th Jul 2025323 AMAQI
5th Jul 2025334 AMAQI
29°C28/30°C
5th Jul 2025335 AMAQI
5th Jul 2025336 AMAQI
5th Jul 2025327 AMAQI
5th Jul 2025348 AMAQI
5th Jul 2025349 AMAQI
5th Jul 20253510 AMAQI
5th Jul 20255311 AMAQI
5th Jul 20255212 PMAQI
5th Jul 2025541 PMAQI
5th Jul 2025522 PMAQI
5th Jul 2025543 PMAQI
5th Jul 2025564 PMAQI
5th Jul 2025515 PMAQI
5th Jul 2025426 PMAQI
5th Jul 2025367 PMAQI
5th Jul 2025358 PMAQI
5th Jul 2025349 PMAQI
5th Jul 20253310 PMAQI
5th Jul 20253311 PMAQI
6th Jul 20253412 AMAQI
6th Jul 2025351 AMAQI
6th Jul 2025342 AMAQI
6th Jul 2025363 AMAQI
6th Jul 2025364 AMAQI
29°C28/31°C
6th Jul 2025385 AMAQI
6th Jul 2025376 AMAQI
6th Jul 2025367 AMAQI
6th Jul 2025328 AMAQI
6th Jul 2025299 AMAQI
6th Jul 20253210 AMAQI
6th Jul 20253611 AMAQI
6th Jul 20254012 PMAQI
6th Jul 2025451 PMAQI
6th Jul 2025472 PMAQI
6th Jul 2025543 PMAQI
6th Jul 2025584 PMAQI
6th Jul 2025575 PMAQI
6th Jul 2025556 PMAQI
6th Jul 2025527 PMAQI
6th Jul 2025388 PMAQI
6th Jul 2025399 PMAQI
6th Jul 20253610 PMAQI
6th Jul 20253411 PMAQI
7th Jul 20253412 AMAQI
7th Jul 2025351 AMAQI
7th Jul 2025372 AMAQI
7th Jul 2025363 AMAQI
7th Jul 2025364 AMAQI
29°C28/31°C
7th Jul 2025365 AMAQI
7th Jul 2025376 AMAQI
7th Jul 2025387 AMAQI
7th Jul 2025528 AMAQI
7th Jul 2025649 AMAQI
7th Jul 20256410 AMAQI
7th Jul 20256811 AMAQI
7th Jul 20256412 PMAQI
7th Jul 2025601 PMAQI
7th Jul 2025602 PMAQI
7th Jul 2025663 PMAQI
7th Jul 2025674 PMAQI
7th Jul 2025625 PMAQI
7th Jul 2025586 PMAQI
7th Jul 2025557 PMAQI
7th Jul 2025398 PMAQI
7th Jul 2025379 PMAQI
7th Jul 20253910 PMAQI
7th Jul 20253611 PMAQI
8th Jul 20253612 AMAQI
8th Jul 2025361 AMAQI
8th Jul 2025362 AMAQI
8th Jul 2025363 AMAQI
8th Jul 2025394 AMAQI
30°C29/31°C
8th Jul 2025405 AMAQI
8th Jul 2025396 AMAQI
8th Jul 2025407 AMAQI
8th Jul 2025288 AMAQI
8th Jul 2025329 AMAQI
8th Jul 20253310 AMAQI
8th Jul 20253611 AMAQI
8th Jul 20253812 PMAQI
8th Jul 2025361 PMAQI
8th Jul 2025382 PMAQI
8th Jul 2025353 PMAQI
8th Jul 2025344 PMAQI
8th Jul 2025405 PMAQI
8th Jul 2025356 PMAQI
8th Jul 2025407 PMAQI
8th Jul 2025388 PMAQI
8th Jul 2025389 PMAQI
8th Jul 20253710 PMAQI
8th Jul 20253711 PMAQI
9th Jul 20253912 AMAQI
9th Jul 2025381 AMAQI
9th Jul 2025402 AMAQI
9th Jul 2025393 AMAQI
9th Jul 2025384 AMAQI
29°C29/30°C
9th Jul 2025385 AMAQI
9th Jul 2025386 AMAQI
9th Jul 2025387 AMAQI
9th Jul 2025388 AMAQI
9th Jul 2025379 AMAQI
9th Jul 20253510 AMAQI
9th Jul 20254611 AMAQI
9th Jul 20254312 PMAQI
9th Jul 2025421 PMAQI
9th Jul 2025442 PMAQI
9th Jul 2025463 PMAQI
9th Jul 2025524 PMAQI
9th Jul 2025515 PMAQI
9th Jul 2025516 PMAQI
9th Jul 2025477 PMAQI
9th Jul 2025408 PMAQI
9th Jul 2025409 PMAQI
9th Jul 20254110 PMAQI
9th Jul 20254011 PMAQI
10th Jul 20254012 AMAQI
10th Jul 2025421 AMAQI
10th Jul 2025412 AMAQI
10th Jul 2025393 AMAQI
10th Jul 2025404 AMAQI
30°C28/31°C
10th Jul 2025405 AMAQI
10th Jul 2025406 AMAQI
10th Jul 2025397 AMAQI
10th Jul 2025328 AMAQI
10th Jul 2025369 AMAQI
10th Jul 20254410 AMAQI
10th Jul 20254811 AMAQI
10th Jul 20253812 PMAQI
10th Jul 2025471 PMAQI
10th Jul 2025472 PMAQI
10th Jul 2025523 PMAQI
10th Jul 2025484 PMAQI
10th Jul 2025475 PMAQI
10th Jul 2025506 PMAQI
10th Jul 2025517 PMAQI
10th Jul 2025418 PMAQI
10th Jul 2025449 PMAQI
10th Jul 20254110 PMAQI
10th Jul 20253811 PMAQI
11th Jul 20253812 AMAQI
11th Jul 2025401 AMAQI
11th Jul 2025422 AMAQI
11th Jul 2025423 AMAQI
11th Jul 2025424 AMAQI
28°C27/29°C
11th Jul 2025425 AMAQI
11th Jul 2025446 AMAQI
11th Jul 2025437 AMAQI
11th Jul 2025388 AMAQI
11th Jul 2025329 AMAQI
11th Jul 20253610 AMAQI
11th Jul 20253611 AMAQI
11th Jul 20254212 PMAQI
11th Jul 2025491 PMAQI
11th Jul 2025502 PMAQI
11th Jul 2025533 PMAQI
11th Jul 2025524 PMAQI
11th Jul 2025525 PMAQI
11th Jul 2025446 PMAQI
11th Jul 2025467 PMAQI
11th Jul 2025428 PMAQI
11th Jul 2025429 PMAQI
11th Jul 20254510 PMAQI
11th Jul 20254511 PMAQI
12th Jul 20254512 AMAQI
12th Jul 2025441 AMAQI
12th Jul 2025412 AMAQI
12th Jul 2025423 AMAQI
12th Jul 2025444 AMAQI
27°C27/28°C
12th Jul 2025455 AMAQI
12th Jul 2025446 AMAQI
12th Jul 2025447 AMAQI
12th Jul 2025308 AMAQI
12th Jul 2025379 AMAQI
12th Jul 20253310 AMAQI
12th Jul 20254611 AMAQI
12th Jul 20254412 PMAQI
12th Jul 2025511 PMAQI
12th Jul 2025512 PMAQI
12th Jul 2025403 PMAQI
12th Jul 2025384 PMAQI
12th Jul 2025385 PMAQI
12th Jul 2025426 PMAQI
12th Jul 2025427 PMAQI
12th Jul 2025448 PMAQI
12th Jul 2025479 PMAQI
12th Jul 20254610 PMAQI
12th Jul 20254711 PMAQI
13th Jul 20254612 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 2025447 AMAQI
13th Jul 2025448 AMAQI
13th Jul 2025469 AMAQI
13th Jul 20255510 AMAQI
13th Jul 20255311 AMAQI
13th Jul 20255212 PMAQI
13th Jul 2025511 PMAQI
13th Jul 2025522 PMAQI
13th Jul 2025543 PMAQI
13th Jul 2025544 PMAQI
13th Jul 2025525 PMAQI
13th Jul 2025526 PMAQI
13th Jul 2025527 PMAQI
13th Jul 2025508 PMAQI
13th Jul 2025509 PMAQI
13th Jul 20255010 PMAQI
13th Jul 20255011 PMAQI
14th Jul 20254812 AMAQI
14th Jul 2025481 AMAQI
14th Jul 2025472 AMAQI
14th Jul 2025493 AMAQI
14th Jul 2025484 AMAQI
29°C28/30°C
14th Jul 2025495 AMAQI
14th Jul 2025486 AMAQI
14th Jul 2025487 AMAQI
14th Jul 2025408 AMAQI
14th Jul 2025559 AMAQI
14th Jul 20254010 AMAQI
14th Jul 20254311 AMAQI
14th Jul 20255412 PMAQI
14th Jul 2025501 PMAQI
14th Jul 2025492 PMAQI
14th Jul 2025463 PMAQI
14th Jul 2025464 PMAQI
14th Jul 2025465 PMAQI
14th Jul 2025446 PMAQI
14th Jul 2025447 PMAQI
14th Jul 2025498 PMAQI
14th Jul 2025499 PMAQI
14th Jul 20254810 PMAQI
14th Jul 20254911 PMAQI
15th Jul 20255012 AMAQI
15th Jul 2025511 AMAQI
15th Jul 2025512 AMAQI
15th Jul 2025503 AMAQI
15th Jul 2025524 AMAQI
29°C28/30°C
15th Jul 2025505 AMAQI
15th Jul 2025526 AMAQI
15th Jul 2025517 AMAQI
15th Jul 2025428 AMAQI
15th Jul 2025439 AMAQI
15th Jul 20255110 AMAQI
15th Jul 20255011 AMAQI
15th Jul 20254912 PMAQI
15th Jul 2025501 PMAQI
15th Jul 2025482 PMAQI
15th Jul 2025483 PMAQI
15th Jul 2025604 PMAQI
15th Jul 2025525 PMAQI
15th Jul 2025446 PMAQI
15th Jul 2025437 PMAQI
15th Jul 2025498 PMAQI
15th Jul 2025519 PMAQI
15th Jul 20255110 PMAQI
15th Jul 20255111 PMAQI
16th Jul 20255012 AMAQI
16th Jul 2025521 AMAQI
16th Jul 2025522 AMAQI
16th Jul 2025513 AMAQI
16th Jul 2025504 AMAQI
29°C29/30°C
16th Jul 2025515 AMAQI
16th Jul 2025516 AMAQI
16th Jul 2025507 AMAQI
16th Jul 2025348 AMAQI
16th Jul 2025329 AMAQI
16th Jul 20252710 AMAQI
16th Jul 20253311 AMAQI
16th Jul 20254412 PMAQI
16th Jul 2025521 PMAQI
16th Jul 2025402 PMAQI
16th Jul 2025383 PMAQI
16th Jul 2025424 PMAQI
16th Jul 2025425 PMAQI
16th Jul 2025446 PMAQI
16th Jul 2025437 PMAQI
16th Jul 2025508 PMAQI
16th Jul 2025489 PMAQI
16th Jul 20255010 PMAQI
16th Jul 20255011 PMAQI
17th Jul 20255012 AMAQI
17th Jul 2025511 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025523 AMAQI
17th Jul 2025524 AMAQI
29°C29/30°C
17th Jul 2025515 AMAQI
17th Jul 2025516 AMAQI
17th Jul 2025527 AMAQI
17th Jul 2025378 AMAQI
17th Jul 2025379 AMAQI
17th Jul 20254110 AMAQI
17th Jul 20254011 AMAQI
17th Jul 20254712 PMAQI
17th Jul 2025501 PMAQI
17th Jul 2025442 PMAQI
17th Jul 2025443 PMAQI
17th Jul 2025464 PMAQI
17th Jul 2025545 PMAQI
17th Jul 2025526 PMAQI
17th Jul 2025507 PMAQI
17th Jul 2025548 PMAQI
17th Jul 2025549 PMAQI
17th Jul 20255410 PMAQI
17th Jul 20255411 PMAQI
18th Jul 20255212 AMAQI
18th Jul 2025521 AMAQI
18th Jul 2025502 AMAQI
18th Jul 2025513 AMAQI
18th Jul 2025514 AMAQI
30°C29/31°C
18th Jul 2025525 AMAQI
18th Jul 2025516 AMAQI
18th Jul 2025527 AMAQI
18th Jul 2025418 AMAQI
18th Jul 2025459 AMAQI
18th Jul 20255010 AMAQI
18th Jul 20255011 AMAQI
18th Jul 20255712 PMAQI
18th Jul 2025571 PMAQI
18th Jul 2025472 PMAQI
18th Jul 2025413 PMAQI
18th Jul 2025374 PMAQI
18th Jul 2025385 PMAQI
18th Jul 2025436 PMAQI
18th Jul 2025467 PMAQI
18th Jul 2025528 PMAQI
18th Jul 2025529 PMAQI
18th Jul 20255210 PMAQI
18th Jul 20255211 PMAQI
19th Jul 20255112 AMAQI
19th Jul 2025521 AMAQI
19th Jul 2025522 AMAQI
19th Jul 2025523 AMAQI
19th Jul 2025524 AMAQI
30°C29/32°C
19th Jul 2025525 AMAQI
19th Jul 2025526 AMAQI
19th Jul 2025527 AMAQI
19th Jul 2025628 AMAQI
19th Jul 2025669 AMAQI
19th Jul 20256210 AMAQI
19th Jul 20255811 AMAQI
19th Jul 20255912 PMAQI
19th Jul 2025601 PMAQI
19th Jul 2025602 PMAQI
19th Jul 2025583 PMAQI
19th Jul 2025564 PMAQI
19th Jul 2025565 PMAQI
19th Jul 2025516 PMAQI
19th Jul 2025507 PMAQI
19th Jul 2025538 PMAQI
19th Jul 2025529 PMAQI
19th Jul 20255110 PMAQI
19th Jul 20254911 PMAQI
20th Jul 20254712 AMAQI
20th Jul 2025521 AMAQI
20th Jul 2025522 AMAQI
20th Jul 2025543 AMAQI
20th Jul 2025544 AMAQI
29°C27/32°C
20th Jul 2025545 AMAQI
20th Jul 2025546 AMAQI
20th Jul 2025547 AMAQI
20th Jul 2025358 AMAQI
20th Jul 2025169 AMAQI
20th Jul 20251810 AMAQI
20th Jul 20253011 AMAQI
20th Jul 20253612 PMAQI
20th Jul 2025471 PMAQI
20th Jul 2025402 PMAQI
20th Jul 2025253 PMAQI
20th Jul 2025324 PMAQI
20th Jul 2025265 PMAQI
20th Jul 2025266 PMAQI
20th Jul 2025327 PMAQI
20th Jul 2025448 PMAQI
20th Jul 2025459 PMAQI
20th Jul 20254310 PMAQI
20th Jul 20254411 PMAQI
21st Jul 20254412 AMAQI
21st Jul 2025521 AMAQI
21st Jul 2025532 AMAQI
21st Jul 2025513 AMAQI
21st Jul 2025504 AMAQI
28°C27/28°C
21st Jul 2025505 AMAQI
21st Jul 2025486 AMAQI
21st Jul 2025487 AMAQI
21st Jul 2025448 AMAQI
21st Jul 2025369 AMAQI
21st Jul 20253110 AMAQI
21st Jul 20253711 AMAQI
21st Jul 20254412 PMAQI
21st Jul 2025411 PMAQI
21st Jul 2025442 PMAQI
21st Jul 2025423 PMAQI
21st Jul 2025504 PMAQI
21st Jul 2025425 PMAQI
21st Jul 2025446 PMAQI
21st Jul 2025417 PMAQI
21st Jul 2025458 PMAQI
21st Jul 2025469 PMAQI
21st Jul 20254410 PMAQI
21st Jul 20254511 PMAQI
22nd Jul 20254412 AMAQI
22nd Jul 2025521 AMAQI
22nd Jul 2025512 AMAQI
22nd Jul 2025503 AMAQI
22nd Jul 2025474 AMAQI
28°C28/28°C
22nd Jul 2025485 AMAQI
22nd Jul 2025476 AMAQI
22nd Jul 2025467 AMAQI
22nd Jul 2025358 AMAQI
22nd Jul 2025359 AMAQI
22nd Jul 20254110 AMAQI
22nd Jul 20254411 AMAQI
22nd Jul 20254212 PMAQI
22nd Jul 2025421 PMAQI
22nd Jul 2025402 PMAQI
22nd Jul 2025413 PMAQI
22nd Jul 2025364 PMAQI
22nd Jul 2025385 PMAQI
22nd Jul 2025416 PMAQI
22nd Jul 2025447 PMAQI
22nd Jul 2025468 PMAQI
22nd Jul 2025449 PMAQI
22nd Jul 20254410 PMAQI
22nd Jul 20254411 PMAQI
23rd Jul 20254512 AMAQI
23rd Jul 2025481 AMAQI
23rd Jul 2025492 AMAQI
23rd Jul 2025483 AMAQI
23rd Jul 2025474 AMAQI
28°C27/29°C
23rd Jul 2025475 AMAQI
23rd Jul 2025466 AMAQI
23rd Jul 2025467 AMAQI
23rd Jul 2025328 AMAQI
23rd Jul 2025389 AMAQI
23rd Jul 20253010 AMAQI
23rd Jul 20253411 AMAQI
23rd Jul 20253512 PMAQI
23rd Jul 2025341 PMAQI
23rd Jul 2025332 PMAQI
23rd Jul 2025373 PMAQI
23rd Jul 2025364 PMAQI
23rd Jul 2025285 PMAQI
23rd Jul 2025336 PMAQI
23rd Jul 2025397 PMAQI
23rd Jul 2025448 PMAQI
23rd Jul 2025469 PMAQI
23rd Jul 20254410 PMAQI
23rd Jul 20254411 PMAQI
24th Jul 20254312 AMAQI
24th Jul 2025461 AMAQI
24th Jul 2025462 AMAQI
24th Jul 2025473 AMAQI
24th Jul 2025464 AMAQI
28°C27/29°C
24th Jul 2025455 AMAQI
24th Jul 2025446 AMAQI
24th Jul 2025447 AMAQI
24th Jul 2025328 AMAQI
24th Jul 2025429 AMAQI
24th Jul 20255410 AMAQI
24th Jul 20255411 AMAQI
24th Jul 20255712 PMAQI
24th Jul 2025591 PMAQI
24th Jul 2025592 PMAQI
24th Jul 2025603 PMAQI
24th Jul 2025544 PMAQI
24th Jul 2025515 PMAQI
24th Jul 2025426 PMAQI
24th Jul 2025397 PMAQI
24th Jul 2025488 PMAQI
24th Jul 2025489 PMAQI
24th Jul 20254710 PMAQI
24th Jul 20255011 PMAQI
25th Jul 20254912 AMAQI
25th Jul 2025461 AMAQI
25th Jul 2025452 AMAQI
25th Jul 2025463 AMAQI
25th Jul 2025484 AMAQI
29°C27/30°C
25th Jul 2025475 AMAQI
25th Jul 2025476 AMAQI
25th Jul 2025477 AMAQI
25th Jul 2025538 AMAQI
25th Jul 2025549 AMAQI
25th Jul 20255310 AMAQI
25th Jul 20255511 AMAQI
25th Jul 20255612 PMAQI
25th Jul 2025631 PMAQI
25th Jul 2025712 PMAQI
25th Jul 2025743 PMAQI
25th Jul 2025784 PMAQI
25th Jul 2025805 PMAQI
25th Jul 2025816 PMAQI
25th Jul 2025747 PMAQI
25th Jul 2025548 PMAQI
25th Jul 2025509 PMAQI
25th Jul 20254810 PMAQI
25th Jul 20254211 PMAQI
26th Jul 20254312 AMAQI
26th Jul 2025471 AMAQI
26th Jul 2025472 AMAQI
26th Jul 2025503 AMAQI
26th Jul 2025524 AMAQI
29°C28/31°C
26th Jul 2025525 AMAQI
26th Jul 2025526 AMAQI
26th Jul 2025517 AMAQI
26th Jul 2025558 AMAQI
26th Jul 2025569 AMAQI
26th Jul 20256210 AMAQI
26th Jul 20256811 AMAQI
26th Jul 20256412 PMAQI
26th Jul 2025621 PMAQI
26th Jul 2025642 PMAQI
26th Jul 2025703 PMAQI
26th Jul 2025744 PMAQI
26th Jul 2025775 PMAQI
26th Jul 2025666 PMAQI
26th Jul 2025617 PMAQI
26th Jul 2025558 PMAQI
26th Jul 2025569 PMAQI
26th Jul 20255410 PMAQI
26th Jul 20255411 PMAQI
27th Jul 20255312 AMAQI
27th Jul 2025511 AMAQI
27th Jul 2025502 AMAQI
27th Jul 2025513 AMAQI
27th Jul 2025524 AMAQI
29°C28/31°C
27th Jul 2025525 AMAQI
27th Jul 2025526 AMAQI
27th Jul 2025527 AMAQI
27th Jul 2025568 AMAQI
27th Jul 2025589 AMAQI
27th Jul 20256010 AMAQI
27th Jul 20255511 AMAQI
27th Jul 20255512 PMAQI
27th Jul 2025571 PMAQI
27th Jul 2025552 PMAQI
27th Jul 2025553 PMAQI
27th Jul 2025564 PMAQI
27th Jul 2025555 PMAQI
27th Jul 2025526 PMAQI
27th Jul 2025527 PMAQI
27th Jul 2025548 PMAQI
27th Jul 2025529 PMAQI
27th Jul 20255210 PMAQI
27th Jul 20255111 PMAQI
28th Jul 20255212 AMAQI
28th Jul 2025531 AMAQI
28th Jul 2025532 AMAQI
28th Jul 2025533 AMAQI
28th Jul 2025544 AMAQI
29°C28/30°C
28th Jul 2025545 AMAQI
28th Jul 2025546 AMAQI
28th Jul 2025547 AMAQI
28th Jul 2025328 AMAQI
28th Jul 2025329 AMAQI
28th Jul 20254810 AMAQI
28th Jul 20255211 AMAQI
28th Jul 20255512 PMAQI
28th Jul 2025631 PMAQI
28th Jul 2025612 PMAQI
28th Jul 2025633 PMAQI
28th Jul 2025694 PMAQI
28th Jul 2025775 PMAQI
28th Jul 2025716 PMAQI
28th Jul 2025677 PMAQI
28th Jul 2025578 PMAQI
28th Jul 2025589 PMAQI
28th Jul 20255810 PMAQI
28th Jul 20255711 PMAQI
29th Jul 20255612 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 2025548 AMAQI
29th Jul 2025589 AMAQI
29th Jul 20253610 AMAQI
29th Jul 20254311 AMAQI
29th Jul 20254412 PMAQI
29th Jul 2025421 PMAQI
29th Jul 2025462 PMAQI
29th Jul 2025503 PMAQI
29th Jul 2025524 PMAQI
29th Jul 2025545 PMAQI
29th Jul 2025546 PMAQI
29th Jul 2025537 PMAQI
29th Jul 2025558 PMAQI
29th Jul 2025549 PMAQI
29th Jul 20255410 PMAQI
29th Jul 20255411 PMAQI
30th Jul 20255312 AMAQI
30th Jul 2025551 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 20256210 AMAQI
30th Jul 20256611 AMAQI
30th Jul 20257012 PMAQI
30th Jul 2025671 PMAQI
30th Jul 2025682 PMAQI
30th Jul 2025703 PMAQI
30th Jul 2025694 PMAQI
30th Jul 2025675 PMAQI
30th Jul 2025626 PMAQI
30th Jul 2025597 PMAQI
30th Jul 2025568 PMAQI
30th Jul 2025569 PMAQI
30th Jul 20255610 PMAQI
30th Jul 20255511 PMAQI
31st Jul 20255412 AMAQI
31st Jul 2025541 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 20255211 AMAQI
31st Jul 20255312 PMAQI
31st Jul 2025531 PMAQI
31st Jul 2025522 PMAQI
31st Jul 2025523 PMAQI
31st Jul 2025524 PMAQI
31st Jul 2025515 PMAQI
31st Jul 2025516 PMAQI
31st Jul 2025527 PMAQI
31st Jul 2025538 PMAQI
31st Jul 2025549 PMAQI
31st Jul 20255610 PMAQI
31st Jul 20255411 PMAQI
1st Aug 20255412 AMAQI
1st Aug 2025551 AMAQI
1st Aug 2025572 AMAQI
1st Aug 2025553 AMAQI
1st Aug 2025544 AMAQI
29°C28/29°C
1st Aug 2025545 AMAQI
1st Aug 2025566 AMAQI
1st Aug 2025557 AMAQI
1st Aug 2025588 AMAQI
1st Aug 2025639 AMAQI
1st Aug 20255710 AMAQI
1st Aug 20255211 AMAQI
1st Aug 20255612 PMAQI
1st Aug 2025561 PMAQI
1st Aug 2025512 PMAQI
1st Aug 2025483 PMAQI
1st Aug 2025534 PMAQI
1st Aug 2025485 PMAQI
1st Aug 2025526 PMAQI
1st Aug 2025507 PMAQI
1st Aug 2025528 PMAQI
1st Aug 2025529 PMAQI
1st Aug 20255210 PMAQI
1st Aug 20255211 PMAQI
2nd Aug 20255512 AMAQI
2nd Aug 2025551 AMAQI
2nd Aug 2025562 AMAQI
2nd Aug 2025563 AMAQI
2nd Aug 2025554 AMAQI
29°C28/30°C
2nd Aug 2025565 AMAQI
2nd Aug 2025566 AMAQI
2nd Aug 2025567 AMAQI
2nd Aug 2025488 AMAQI
2nd Aug 2025369 AMAQI
2nd Aug 20253910 AMAQI
2nd Aug 20254011 AMAQI
2nd Aug 20254012 PMAQI
2nd Aug 2025421 PMAQI
2nd Aug 2025382 PMAQI
2nd Aug 2025323 PMAQI
2nd Aug 2025424 PMAQI
2nd Aug 2025425 PMAQI
2nd Aug 2025386 PMAQI
2nd Aug 2025507 PMAQI
2nd Aug 2025578 PMAQI
2nd Aug 2025589 PMAQI
2nd Aug 20255610 PMAQI
2nd Aug 20255511 PMAQI
3rd Aug 20255512 AMAQI
3rd Aug 2025561 AMAQI
3rd Aug 2025572 AMAQI
--°C/°C
5 AM
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
11 AM - 7 PM
50AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
8 AM - 10 AM
43AQI
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. 50), while the lowest AQI was between 8 AM to 10 AM (Avg. 43).
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
Sai Kung District, Hong Kong, China
2025
41%
87
57%
121
2%
5
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Good
87 DaysModerate
121 DaysPoor
5 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 41%
Health Risk Level:
Significant
In 2025, 41% of 214 days were within WHO’s safe air quality limits, and 59% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Sai Kung 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
97AQI
97AQI
2nd January 2025
117AQI
117AQI
3rd January 2025
93AQI
93AQI
4th January 2025
93AQI
93AQI
5th January 2025
86AQI
86AQI
6th January 2025
91AQI
91AQI
7th January 2025
81AQI
81AQI
8th January 2025
89AQI
89AQI
9th January 2025
91AQI
91AQI
10th January 2025
72AQI
72AQI
11th January 2025
83AQI
83AQI
12th January 2025
61AQI
61AQI
13th January 2025
67AQI
67AQI
14th January 2025
63AQI
63AQI
15th January 2025
70AQI
70AQI
16th January 2025
95AQI
95AQI
17th January 2025
77AQI
77AQI
18th January 2025
84AQI
84AQI
19th January 2025
78AQI
78AQI
20th January 2025
78AQI
78AQI
21st January 2025
76AQI
76AQI
22nd January 2025
73AQI
73AQI
23rd January 2025
67AQI
67AQI
24th January 2025
59AQI
59AQI
25th January 2025
57AQI
57AQI
26th January 2025
60AQI
60AQI
27th January 2025
55AQI
55AQI
28th January 2025
56AQI
56AQI
29th January 2025
83AQI
83AQI
30th January 2025
59AQI
59AQI
31st January 2025
60AQI
60AQI
1st February 2025
43AQI
43AQI
2nd February 2025
49AQI
49AQI
3rd February 2025
32AQI
32AQI
4th February 2025
43AQI
43AQI
5th February 2025
68AQI
68AQI
6th February 2025
56AQI
56AQI
7th February 2025
48AQI
48AQI
8th February 2025
59AQI
59AQI
9th February 2025
50AQI
50AQI
10th February 2025
58AQI
58AQI
11th February 2025
59AQI
59AQI
12th February 2025
53AQI
53AQI
13th February 2025
75AQI
75AQI
14th February 2025
74AQI
74AQI
15th February 2025
74AQI
74AQI
16th February 2025
90AQI
90AQI
17th February 2025
89AQI
89AQI
18th February 2025
106AQI
106AQI
19th February 2025
68AQI
68AQI
20th February 2025
72AQI
72AQI
21st February 2025
70AQI
70AQI
22nd February 2025
66AQI
66AQI
23rd February 2025
44AQI
44AQI
24th February 2025
52AQI
52AQI
25th February 2025
69AQI
69AQI
26th February 2025
77AQI
77AQI
27th February 2025
68AQI
68AQI
28th February 2025
64AQI
64AQI
1st March 2025
65AQI
65AQI
2nd March 2025
56AQI
56AQI
3rd March 2025
47AQI
47AQI
4th March 2025
48AQI
48AQI
5th March 2025
40AQI
40AQI
6th March 2025
34AQI
34AQI
7th March 2025
43AQI
43AQI
8th March 2025
49AQI
49AQI
9th March 2025
58AQI
58AQI
10th March 2025
64AQI
64AQI
11th March 2025
62AQI
62AQI
12th March 2025
54AQI
54AQI
13th March 2025
57AQI
57AQI
14th March 2025
54AQI
54AQI
15th March 2025
42AQI
42AQI
16th March 2025
37AQI
37AQI
17th March 2025
68AQI
68AQI
18th March 2025
59AQI
59AQI
19th March 2025
69AQI
69AQI
20th March 2025
69AQI
69AQI
21st March 2025
73AQI
73AQI
22nd March 2025
68AQI
68AQI
23rd March 2025
71AQI
71AQI
24th March 2025
70AQI
70AQI
25th March 2025
71AQI
71AQI
26th March 2025
57AQI
57AQI
27th March 2025
58AQI
58AQI
28th March 2025
59AQI
59AQI
29th March 2025
39AQI
39AQI
30th March 2025
33AQI
33AQI
31st March 2025
32AQI
32AQI
1st April 2025
43AQI
43AQI
2nd April 2025
46AQI
46AQI
3rd April 2025
56AQI
56AQI
4th April 2025
59AQI
59AQI
5th April 2025
50AQI
50AQI
6th April 2025
66AQI
66AQI
7th April 2025
71AQI
71AQI
8th April 2025
75AQI
75AQI
9th April 2025
63AQI
63AQI
10th April 2025
62AQI
62AQI
11th April 2025
58AQI
58AQI
12th April 2025
54AQI
54AQI
13th April 2025
125AQI
125AQI
14th April 2025
128AQI
128AQI
15th April 2025
130AQI
130AQI
16th April 2025
100AQI
100AQI
17th April 2025
87AQI
87AQI
18th April 2025
71AQI
71AQI
19th April 2025
61AQI
61AQI
20th April 2025
57AQI
57AQI
21st April 2025
55AQI
55AQI
22nd April 2025
57AQI
57AQI
23rd April 2025
52AQI
52AQI
24th April 2025
50AQI
50AQI
25th April 2025
47AQI
47AQI
26th April 2025
47AQI
47AQI
27th April 2025
58AQI
58AQI
28th April 2025
61AQI
61AQI
29th April 2025
61AQI
61AQI
30th April 2025
68AQI
68AQI
1st May 2025
62AQI
62AQI
2nd May 2025
73AQI
73AQI
3rd May 2025
78AQI
78AQI
4th May 2025
62AQI
62AQI
5th May 2025
60AQI
60AQI
6th May 2025
52AQI
52AQI
7th May 2025
51AQI
51AQI
8th May 2025
63AQI
63AQI
9th May 2025
45AQI
45AQI
10th May 2025
54AQI
54AQI
11th May 2025
56AQI
56AQI
12th May 2025
58AQI
58AQI
13th May 2025
63AQI
63AQI
14th May 2025
56AQI
56AQI
15th May 2025
48AQI
48AQI
16th May 2025
37AQI
37AQI
17th May 2025
32AQI
32AQI
18th May 2025
35AQI
35AQI
19th May 2025
39AQI
39AQI
20th May 2025
32AQI
32AQI
21st May 2025
42AQI
42AQI
22nd May 2025
37AQI
37AQI
23rd May 2025
37AQI
37AQI
24th May 2025
42AQI
42AQI
25th May 2025
67AQI
67AQI
26th May 2025
62AQI
62AQI
27th May 2025
69AQI
69AQI
28th May 2025
56AQI
56AQI
29th May 2025
54AQI
54AQI
30th May 2025
43AQI
43AQI
31st May 2025
58AQI
58AQI
1st June 2025
58AQI
58AQI
2nd June 2025
48AQI
48AQI
3rd June 2025
49AQI
49AQI
4th June 2025
38AQI
38AQI
5th June 2025
53AQI
53AQI
6th June 2025
48AQI
48AQI
7th June 2025
43AQI
43AQI
8th June 2025
35AQI
35AQI
9th June 2025
38AQI
38AQI
10th June 2025
34AQI
34AQI
11th June 2025
32AQI
32AQI
12th June 2025
30AQI
30AQI
13th June 2025
28AQI
28AQI
14th June 2025
36AQI
36AQI
15th June 2025
38AQI
38AQI
16th June 2025
39AQI
39AQI
17th June 2025
42AQI
42AQI
18th June 2025
37AQI
37AQI
19th June 2025
35AQI
35AQI
20th June 2025
36AQI
36AQI
21st June 2025
29AQI
29AQI
22nd June 2025
24AQI
24AQI
23rd June 2025
24AQI
24AQI
24th June 2025
24AQI
24AQI
25th June 2025
25AQI
25AQI
26th June 2025
24AQI
24AQI
27th June 2025
24AQI
24AQI
28th June 2025
26AQI
26AQI
29th June 2025
27AQI
27AQI
30th June 2025
27AQI
27AQI
1st July 2025
26AQI
26AQI
2nd July 2025
26AQI
26AQI
3rd July 2025
30AQI
30AQI
4th July 2025
36AQI
36AQI
5th July 2025
38AQI
38AQI
6th July 2025
39AQI
39AQI
7th July 2025
45AQI
45AQI
8th July 2025
37AQI
37AQI
9th July 2025
41AQI
41AQI
10th July 2025
42AQI
42AQI
11th July 2025
43AQI
43AQI
12th July 2025
44AQI
44AQI
13th July 2025
49AQI
49AQI
14th July 2025
47AQI
47AQI
15th July 2025
50AQI
50AQI
16th July 2025
47AQI
47AQI
17th July 2025
50AQI
50AQI
18th July 2025
50AQI
50AQI
19th July 2025
53AQI
53AQI
20th July 2025
42AQI
42AQI
21st July 2025
45AQI
45AQI
22nd July 2025
44AQI
44AQI
23rd July 2025
42AQI
42AQI
24th July 2025
47AQI
47AQI
25th July 2025
55AQI
55AQI
26th July 2025
55AQI
55AQI
27th July 2025
53AQI
53AQI
28th July 2025
56AQI
56AQI
29th July 2025
53AQI
53AQI
30th July 2025
58AQI
58AQI
31st July 2025
54AQI
54AQI
1st August 2025
54AQI
54AQI
76AQI
63AQI
55AQI
67AQI
52AQI
35AQI
45AQI
54AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202556AQI
30
1
7
20
1
11
20
6
21
3
12
19
28
2
23
8
1
87
121
5
Highest AQI recorded in
January76AQI
Lowest AQI recorded in
June35AQI
202454AQI
2
26
3
5
24
4
26
1
11
18
1
16
15
29
29
2
22
9
23
7
12
19
14
16
27
4
167
189
9
Highest AQI recorded in
December79AQI
Lowest AQI recorded in
July30AQI
202355AQI
7
23
1
6
21
1
4
25
2
4
26
10
20
1
28
2
26
5
25
6
23
7
10
21
4
25
4
27
151
208
5
Highest AQI recorded in
January66AQI
Lowest AQI recorded in
June35AQI
202252AQI
7
22
1
13
8
14
17
10
7
20
11
30
21
1
3
20
5
9
22
13
17
12
17
2
152
142
8
Highest AQI recorded in
September75AQI
Lowest AQI recorded in
June27AQI
202149AQI
3
27
1
10
18
11
20
14
16
25
6
27
3
26
5
24
4
19
11
19
12
6
24
7
23
1
191
169
2
Highest AQI recorded in
January67AQI
Lowest AQI recorded in
July35AQI
202043AQI
5
8
9
12
16
2
30
31
26
5
21
8
1
4
27
7
23
6
25
155
110
1
Highest AQI recorded in
December63AQI
Lowest AQI recorded in
July19AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
56AQILeast Polluted Year Recorded
2020(Avg.)
43AQISai Kung District's annual 2025 AQI (56) shows an average percentage change of 12.08% (worsened AQI) compared to previous years: 2020 (43), 2021 (49), 2022 (52), 2023 (55), 2024 (54).
