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+
November 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
6th Nov 2024
94AQILowest AQI recorded on
26th Nov 2022
24AQISame Day Analysis (4th November ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 73 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Nov - 5th Nov 2025
Sai Kung District, Hong Kong, China
AQI
Day
Night
.
6 AM4th Nov 2025
5 PM
5 AM5th Nov 2025
Day time
Avg. Highest Time
6AM4th Nov
82AQI
Avg. Lowest Time
4PM4th Nov
54AQI
Night time
Avg. Highest Time
6PM4th Nov
53AQI
Avg. Lowest Time
9PM4th Nov
20AQI
In the last 24 hours,
Sai Kung District's AQI reached its highest point of 82 at 6 AM during the Day, while the lowest point, 20, was recorded at 9 PM during the Night between 4th Nov and 5th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Sai Kung District, Hong Kong, China
OctNov
06th - 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 - 04th04th - 05th05th
Day
Night
6th Oct 2025606 AMAQI
6th Oct 2025597 AMAQI
6th Oct 2025568 AMAQI
6th Oct 2025559 AMAQI
6th Oct 20255610 AMAQI
6th Oct 20255711 AMAQI
6th Oct 20255812 PMAQI
6th Oct 2025621 PMAQI
6th Oct 2025642 PMAQI
6th Oct 2025573 PMAQI
6th Oct 2025574 PMAQI
6th Oct 2025585 PMAQI
6th Oct 2025506 PMAQI
6th Oct 2025447 PMAQI
6th Oct 2025448 PMAQI
6th Oct 2025509 PMAQI
6th Oct 20255210 PMAQI
6th Oct 20255311 PMAQI
7th Oct 20257212 AMAQI
7th Oct 2025641 AMAQI
27°C27/28°C
7th Oct 2025577 PMAQI
7th Oct 2025668 PMAQI
7th Oct 2025729 PMAQI
7th Oct 20257410 PMAQI
7th Oct 20257411 PMAQI
8th Oct 20256712 AMAQI
8th Oct 2025581 AMAQI
8th Oct 2025732 AMAQI
8th Oct 2025753 AMAQI
8th Oct 2025774 AMAQI
8th Oct 2025815 AMAQI
28°C27/29°C
8th Oct 2025806 AMAQI
8th Oct 2025807 AMAQI
8th Oct 2025798 AMAQI
8th Oct 2025599 AMAQI
8th Oct 20256510 AMAQI
8th Oct 20256511 AMAQI
8th Oct 20256412 PMAQI
8th Oct 2025691 PMAQI
8th Oct 2025672 PMAQI
8th Oct 2025723 PMAQI
8th Oct 2025754 PMAQI
8th Oct 2025775 PMAQI
8th Oct 2025736 PMAQI
8th Oct 2025677 PMAQI
8th Oct 2025658 PMAQI
8th Oct 2025769 PMAQI
8th Oct 20258410 PMAQI
8th Oct 20257411 PMAQI
9th Oct 20256812 AMAQI
9th Oct 2025681 AMAQI
9th Oct 2025632 AMAQI
9th Oct 2025623 AMAQI
9th Oct 2025654 AMAQI
9th Oct 2025655 AMAQI
28°C27/29°C
9th Oct 2025706 AMAQI
9th Oct 2025797 AMAQI
9th Oct 2025728 AMAQI
9th Oct 2025719 AMAQI
9th Oct 20257510 AMAQI
9th Oct 20257711 AMAQI
9th Oct 20257512 PMAQI
9th Oct 2025781 PMAQI
9th Oct 2025772 PMAQI
9th Oct 2025763 PMAQI
9th Oct 2025784 PMAQI
9th Oct 2025785 PMAQI
9th Oct 2025876 PMAQI
9th Oct 2025837 PMAQI
9th Oct 2025728 PMAQI
9th Oct 2025749 PMAQI
9th Oct 20257010 PMAQI
9th Oct 20257811 PMAQI
10th Oct 20257612 AMAQI
10th Oct 2025711 AMAQI
10th Oct 2025712 AMAQI
10th Oct 2025603 AMAQI
10th Oct 2025614 AMAQI
10th Oct 2025575 AMAQI
28°C27/29°C
10th Oct 2025586 AMAQI
10th Oct 2025677 AMAQI
10th Oct 2025678 AMAQI
10th Oct 2025689 AMAQI
10th Oct 20257610 AMAQI
10th Oct 20257511 AMAQI
10th Oct 20257712 PMAQI
10th Oct 2025731 PMAQI
10th Oct 2025742 PMAQI
10th Oct 2025703 PMAQI
10th Oct 2025714 PMAQI
10th Oct 2025745 PMAQI
10th Oct 2025626 PMAQI
10th Oct 2025617 PMAQI
10th Oct 2025688 PMAQI
10th Oct 2025689 PMAQI
10th Oct 20256510 PMAQI
10th Oct 20256211 PMAQI
11th Oct 20256312 AMAQI
11th Oct 2025661 AMAQI
11th Oct 2025622 AMAQI
11th Oct 2025643 AMAQI
11th Oct 2025634 AMAQI
11th Oct 2025645 AMAQI
28°C27/29°C
11th Oct 2025506 AMAQI
11th Oct 2025597 AMAQI
11th Oct 2025558 AMAQI
11th Oct 2025659 AMAQI
11th Oct 20256910 AMAQI
11th Oct 20256611 AMAQI
11th Oct 20256212 PMAQI
11th Oct 2025631 PMAQI
11th Oct 2025602 PMAQI
11th Oct 2025623 PMAQI
11th Oct 2025584 PMAQI
11th Oct 2025685 PMAQI
11th Oct 2025606 PMAQI
11th Oct 2025597 PMAQI
11th Oct 2025608 PMAQI
11th Oct 2025619 PMAQI
11th Oct 20255710 PMAQI
11th Oct 20255711 PMAQI
12th Oct 20255812 AMAQI
12th Oct 2025571 AMAQI
12th Oct 2025602 AMAQI
12th Oct 2025613 AMAQI
12th Oct 2025564 AMAQI
12th Oct 2025495 AMAQI
28°C27/29°C
12th Oct 2025466 AMAQI
12th Oct 2025487 AMAQI
12th Oct 2025568 AMAQI
12th Oct 2025559 AMAQI
12th Oct 20255610 AMAQI
12th Oct 20255611 AMAQI
12th Oct 20254912 PMAQI
12th Oct 2025531 PMAQI
12th Oct 2025612 PMAQI
12th Oct 2025603 PMAQI
12th Oct 2025564 PMAQI
12th Oct 2025525 PMAQI
12th Oct 2025466 PMAQI
12th Oct 2025487 PMAQI
12th Oct 2025508 PMAQI
12th Oct 2025549 PMAQI
12th Oct 20255710 PMAQI
12th Oct 20255411 PMAQI
13th Oct 20253812 AMAQI
13th Oct 2025371 AMAQI
13th Oct 2025522 AMAQI
13th Oct 2025563 AMAQI
13th Oct 2025554 AMAQI
13th Oct 2025495 AMAQI
28°C27/29°C
13th Oct 2025456 AMAQI
13th Oct 2025457 AMAQI
13th Oct 2025478 AMAQI
13th Oct 2025549 AMAQI
13th Oct 20255610 AMAQI
13th Oct 20255211 AMAQI
13th Oct 20254812 PMAQI
13th Oct 2025531 PMAQI
13th Oct 2025412 PMAQI
13th Oct 2025383 PMAQI
13th Oct 2025424 PMAQI
13th Oct 2025435 PMAQI
13th Oct 2025396 PMAQI
13th Oct 2025417 PMAQI
13th Oct 2025388 PMAQI
13th Oct 2025439 PMAQI
13th Oct 20256010 PMAQI
13th Oct 20254811 PMAQI
14th Oct 20254712 AMAQI
14th Oct 2025431 AMAQI
14th Oct 2025562 AMAQI
14th Oct 2025423 AMAQI
14th Oct 2025414 AMAQI
14th Oct 2025505 AMAQI
28°C27/29°C
14th Oct 2025526 AMAQI
14th Oct 2025567 AMAQI
14th Oct 2025568 AMAQI
14th Oct 2025549 AMAQI
14th Oct 20255710 AMAQI
14th Oct 20255811 AMAQI
14th Oct 20255412 PMAQI
14th Oct 2025491 PMAQI
14th Oct 2025552 PMAQI
14th Oct 2025493 PMAQI
14th Oct 2025454 PMAQI
14th Oct 2025525 PMAQI
14th Oct 2025496 PMAQI
14th Oct 2025537 PMAQI
14th Oct 2025538 PMAQI
14th Oct 2025499 PMAQI
14th Oct 20255110 PMAQI
14th Oct 20255711 PMAQI
15th Oct 20256312 AMAQI
15th Oct 2025591 AMAQI
15th Oct 2025582 AMAQI
15th Oct 2025623 AMAQI
15th Oct 2025604 AMAQI
15th Oct 2025615 AMAQI
28°C27/29°C
15th Oct 2025566 AMAQI
15th Oct 2025567 AMAQI
15th Oct 2025568 AMAQI
15th Oct 2025609 AMAQI
15th Oct 20255710 AMAQI
15th Oct 20255811 AMAQI
15th Oct 20256512 PMAQI
15th Oct 2025691 PMAQI
15th Oct 2025682 PMAQI
15th Oct 2025583 PMAQI
15th Oct 2025524 PMAQI
15th Oct 2025495 PMAQI
15th Oct 2025526 PMAQI
15th Oct 2025507 PMAQI
15th Oct 2025608 PMAQI
15th Oct 2025649 PMAQI
15th Oct 20256510 PMAQI
15th Oct 20257311 PMAQI
16th Oct 20257112 AMAQI
16th Oct 2025651 AMAQI
16th Oct 2025672 AMAQI
16th Oct 2025773 AMAQI
16th Oct 2025784 AMAQI
16th Oct 2025745 AMAQI
28°C27/29°C
16th Oct 2025736 AMAQI
16th Oct 2025687 AMAQI
16th Oct 2025658 AMAQI
16th Oct 2025699 AMAQI
16th Oct 20256910 AMAQI
16th Oct 20257811 AMAQI
16th Oct 20258212 PMAQI
16th Oct 2025841 PMAQI
16th Oct 2025672 PMAQI
16th Oct 2025653 PMAQI
16th Oct 2025614 PMAQI
16th Oct 2025625 PMAQI
16th Oct 2025686 PMAQI
16th Oct 2025637 PMAQI
16th Oct 2025628 PMAQI
16th Oct 2025649 PMAQI
16th Oct 20256710 PMAQI
16th Oct 20257411 PMAQI
17th Oct 20257812 AMAQI
17th Oct 2025781 AMAQI
17th Oct 2025732 AMAQI
17th Oct 2025723 AMAQI
17th Oct 2025704 AMAQI
17th Oct 2025555 AMAQI
28°C27/29°C
17th Oct 2025746 AMAQI
17th Oct 2025817 AMAQI
17th Oct 2025808 AMAQI
17th Oct 2025779 AMAQI
17th Oct 20257810 AMAQI
17th Oct 20257811 AMAQI
17th Oct 20258212 PMAQI
17th Oct 2025811 PMAQI
17th Oct 2025732 PMAQI
17th Oct 2025723 PMAQI
17th Oct 2025714 PMAQI
17th Oct 2025785 PMAQI
17th Oct 2025776 PMAQI
17th Oct 2025687 PMAQI
17th Oct 2025668 PMAQI
17th Oct 2025659 PMAQI
17th Oct 20257710 PMAQI
17th Oct 20257911 PMAQI
18th Oct 20257612 AMAQI
18th Oct 2025741 AMAQI
18th Oct 2025712 AMAQI
18th Oct 2025673 AMAQI
18th Oct 2025634 AMAQI
18th Oct 2025595 AMAQI
28°C27/29°C
18th Oct 2025736 AMAQI
18th Oct 2025737 AMAQI
18th Oct 2025728 AMAQI
18th Oct 2025739 AMAQI
18th Oct 20258210 AMAQI
18th Oct 20258511 AMAQI
18th Oct 20258512 PMAQI
18th Oct 2025861 PMAQI
18th Oct 2025792 PMAQI
18th Oct 2025753 PMAQI
18th Oct 2025724 PMAQI
18th Oct 2025695 PMAQI
18th Oct 2025826 PMAQI
18th Oct 2025837 PMAQI
18th Oct 2025898 PMAQI
18th Oct 2025849 PMAQI
18th Oct 20258810 PMAQI
18th Oct 20257711 PMAQI
19th Oct 20257012 AMAQI
19th Oct 2025711 AMAQI
19th Oct 2025582 AMAQI
19th Oct 2025563 AMAQI
19th Oct 2025564 AMAQI
19th Oct 2025645 AMAQI
28°C27/29°C
19th Oct 2025636 AMAQI
19th Oct 2025627 AMAQI
19th Oct 2025678 AMAQI
19th Oct 2025759 AMAQI
19th Oct 20257710 AMAQI
19th Oct 20259511 AMAQI
19th Oct 20258612 PMAQI
19th Oct 2025841 PMAQI
19th Oct 2025862 PMAQI
19th Oct 2025843 PMAQI
19th Oct 2025804 PMAQI
19th Oct 2025745 PMAQI
19th Oct 2025666 PMAQI
19th Oct 2025637 PMAQI
19th Oct 2025528 PMAQI
19th Oct 2025539 PMAQI
19th Oct 20255910 PMAQI
19th Oct 20256011 PMAQI
20th Oct 20255612 AMAQI
20th Oct 2025641 AMAQI
20th Oct 2025682 AMAQI
20th Oct 2025683 AMAQI
20th Oct 2025694 AMAQI
20th Oct 2025675 AMAQI
28°C27/31°C
20th Oct 2025686 AMAQI
20th Oct 2025667 AMAQI
20th Oct 2025638 AMAQI
20th Oct 2025639 AMAQI
20th Oct 20256410 AMAQI
20th Oct 20256611 AMAQI
20th Oct 20256512 PMAQI
20th Oct 2025641 PMAQI
20th Oct 2025662 PMAQI
20th Oct 2025633 PMAQI
20th Oct 2025574 PMAQI
20th Oct 2025565 PMAQI
20th Oct 2025566 PMAQI
20th Oct 2025567 PMAQI
20th Oct 2025588 PMAQI
20th Oct 2025599 PMAQI
20th Oct 20255610 PMAQI
20th Oct 20255811 PMAQI
21st Oct 20256012 AMAQI
21st Oct 2025611 AMAQI
21st Oct 2025672 AMAQI
21st Oct 2025673 AMAQI
21st Oct 2025664 AMAQI
21st Oct 2025575 AMAQI
25°C23/26°C
21st Oct 2025546 AMAQI
21st Oct 2025547 AMAQI
21st Oct 2025548 AMAQI
21st Oct 2025539 AMAQI
21st Oct 20255310 AMAQI
21st Oct 20255111 AMAQI
21st Oct 20255512 PMAQI
21st Oct 2025591 PMAQI
21st Oct 2025562 PMAQI
21st Oct 2025563 PMAQI
21st Oct 2025574 PMAQI
21st Oct 2025575 PMAQI
21st Oct 2025596 PMAQI
21st Oct 2025597 PMAQI
21st Oct 2025598 PMAQI
21st Oct 2025579 PMAQI
21st Oct 20254210 PMAQI
21st Oct 20254111 PMAQI
22nd Oct 20255512 AMAQI
22nd Oct 2025551 AMAQI
22nd Oct 2025512 AMAQI
22nd Oct 2025363 AMAQI
22nd Oct 2025354 AMAQI
22nd Oct 2025435 AMAQI
21°C18/22°C
22nd Oct 2025476 AMAQI
22nd Oct 2025447 AMAQI
22nd Oct 2025428 AMAQI
22nd Oct 2025349 AMAQI
22nd Oct 20253810 AMAQI
22nd Oct 20254211 AMAQI
22nd Oct 20254412 PMAQI
22nd Oct 2025371 PMAQI
22nd Oct 2025282 PMAQI
22nd Oct 2025283 PMAQI
22nd Oct 2025294 PMAQI
22nd Oct 2025355 PMAQI
22nd Oct 2025406 PMAQI
22nd Oct 2025447 PMAQI
22nd Oct 2025498 PMAQI
22nd Oct 2025409 PMAQI
22nd Oct 20254310 PMAQI
22nd Oct 20255511 PMAQI
23rd Oct 20254912 AMAQI
23rd Oct 2025381 AMAQI
23rd Oct 2025402 AMAQI
23rd Oct 2025403 AMAQI
23rd Oct 2025344 AMAQI
23rd Oct 2025275 AMAQI
19°C18/19°C
23rd Oct 2025246 AMAQI
23rd Oct 2025287 AMAQI
23rd Oct 2025298 AMAQI
23rd Oct 2025359 AMAQI
23rd Oct 20254310 AMAQI
23rd Oct 20256111 AMAQI
23rd Oct 20256712 PMAQI
23rd Oct 2025641 PMAQI
23rd Oct 2025572 PMAQI
23rd Oct 2025493 PMAQI
23rd Oct 2025594 PMAQI
23rd Oct 2025605 PMAQI
23rd Oct 2025616 PMAQI
23rd Oct 2025697 PMAQI
23rd Oct 2025678 PMAQI
23rd Oct 2025699 PMAQI
23rd Oct 20257010 PMAQI
23rd Oct 20257111 PMAQI
24th Oct 20257312 AMAQI
24th Oct 2025661 AMAQI
24th Oct 2025632 AMAQI
24th Oct 2025613 AMAQI
24th Oct 2025584 AMAQI
24th Oct 2025545 AMAQI
21°C19/23°C
24th Oct 2025586 AMAQI
24th Oct 2025587 AMAQI
24th Oct 2025598 AMAQI
24th Oct 2025609 AMAQI
24th Oct 20256110 AMAQI
24th Oct 20256211 AMAQI
24th Oct 20255812 PMAQI
24th Oct 2025561 PMAQI
24th Oct 2025582 PMAQI
24th Oct 2025633 PMAQI
24th Oct 2025614 PMAQI
24th Oct 2025595 PMAQI
24th Oct 2025566 PMAQI
24th Oct 2025607 PMAQI
24th Oct 2025618 PMAQI
24th Oct 2025619 PMAQI
24th Oct 20256210 PMAQI
24th Oct 20256411 PMAQI
25th Oct 20256912 AMAQI
25th Oct 2025751 AMAQI
25th Oct 2025842 AMAQI
25th Oct 2025863 AMAQI
25th Oct 2025804 AMAQI
25th Oct 2025785 AMAQI
22°C20/24°C
25th Oct 2025736 AMAQI
25th Oct 2025737 AMAQI
25th Oct 2025698 AMAQI
25th Oct 2025649 AMAQI
25th Oct 20256110 AMAQI
25th Oct 20256711 AMAQI
25th Oct 20256012 PMAQI
25th Oct 2025611 PMAQI
25th Oct 2025762 PMAQI
25th Oct 2025693 PMAQI
25th Oct 2025704 PMAQI
25th Oct 2025695 PMAQI
25th Oct 2025576 PMAQI
25th Oct 2025607 PMAQI
25th Oct 2025628 PMAQI
25th Oct 2025639 PMAQI
25th Oct 20256510 PMAQI
25th Oct 20256811 PMAQI
26th Oct 20256712 AMAQI
26th Oct 2025671 AMAQI
26th Oct 2025722 AMAQI
26th Oct 2025663 AMAQI
26th Oct 2025684 AMAQI
26th Oct 2025695 AMAQI
24°C22/26°C
26th Oct 2025716 AMAQI
26th Oct 2025717 AMAQI
26th Oct 2025728 AMAQI
26th Oct 2025749 AMAQI
26th Oct 20257410 AMAQI
26th Oct 20257611 AMAQI
26th Oct 20257712 PMAQI
26th Oct 2025751 PMAQI
26th Oct 2025742 PMAQI
26th Oct 2025703 PMAQI
26th Oct 2025674 PMAQI
26th Oct 2025665 PMAQI
26th Oct 2025666 PMAQI
26th Oct 2025677 PMAQI
26th Oct 2025678 PMAQI
26th Oct 2025699 PMAQI
26th Oct 20257310 PMAQI
26th Oct 20257811 PMAQI
27th Oct 20257812 AMAQI
27th Oct 2025781 AMAQI
27th Oct 2025812 AMAQI
27th Oct 2025773 AMAQI
27th Oct 2025804 AMAQI
27th Oct 2025795 AMAQI
26°C23/28°C
27th Oct 2025786 AMAQI
27th Oct 2025767 AMAQI
27th Oct 2025768 AMAQI
27th Oct 2025809 AMAQI
27th Oct 20258210 AMAQI
27th Oct 20258611 AMAQI
27th Oct 20259112 PMAQI
27th Oct 2025901 PMAQI
27th Oct 2025932 PMAQI
27th Oct 2025983 PMAQI
27th Oct 20251024 PMAQI
27th Oct 20251055 PMAQI
27th Oct 20251106 PMAQI
27th Oct 20251157 PMAQI
27th Oct 20251148 PMAQI
27th Oct 20251209 PMAQI
27th Oct 202512010 PMAQI
27th Oct 202511711 PMAQI
28th Oct 202511212 AMAQI
28th Oct 20251121 AMAQI
28th Oct 20251122 AMAQI
28th Oct 20251093 AMAQI
28th Oct 20251054 AMAQI
28th Oct 2025985 AMAQI
24°C23/24°C
28th Oct 2025976 AMAQI
28th Oct 2025947 AMAQI
28th Oct 20251028 AMAQI
28th Oct 20251009 AMAQI
28th Oct 202510410 AMAQI
28th Oct 202510211 AMAQI
28th Oct 202510612 PMAQI
28th Oct 20251021 PMAQI
28th Oct 2025912 PMAQI
28th Oct 2025953 PMAQI
28th Oct 2025924 PMAQI
28th Oct 2025845 PMAQI
28th Oct 2025796 PMAQI
28th Oct 2025817 PMAQI
28th Oct 2025798 PMAQI
28th Oct 2025659 PMAQI
28th Oct 20256010 PMAQI
28th Oct 20255311 PMAQI
29th Oct 20255012 AMAQI
29th Oct 2025531 AMAQI
29th Oct 2025532 AMAQI
29th Oct 2025503 AMAQI
29th Oct 2025504 AMAQI
29th Oct 2025625 AMAQI
21°C20/22°C
29th Oct 2025626 AMAQI
29th Oct 2025677 AMAQI
29th Oct 2025708 AMAQI
29th Oct 2025719 AMAQI
29th Oct 20257410 AMAQI
29th Oct 20256911 AMAQI
29th Oct 20256112 PMAQI
29th Oct 2025611 PMAQI
29th Oct 2025572 PMAQI
29th Oct 2025553 PMAQI
29th Oct 2025474 PMAQI
29th Oct 2025425 PMAQI
29th Oct 2025536 PMAQI
29th Oct 2025527 PMAQI
29th Oct 2025548 PMAQI
29th Oct 2025559 PMAQI
29th Oct 20255510 PMAQI
29th Oct 20255411 PMAQI
30th Oct 20255512 AMAQI
30th Oct 2025561 AMAQI
30th Oct 2025542 AMAQI
30th Oct 2025423 AMAQI
30th Oct 2025494 AMAQI
30th Oct 2025325 AMAQI
24°C24/25°C
30th Oct 2025546 AMAQI
30th Oct 2025587 AMAQI
30th Oct 2025598 AMAQI
30th Oct 2025569 AMAQI
30th Oct 20255610 AMAQI
30th Oct 20255411 AMAQI
30th Oct 20255612 PMAQI
30th Oct 2025531 PMAQI
30th Oct 2025522 PMAQI
30th Oct 2025423 PMAQI
30th Oct 2025544 PMAQI
30th Oct 2025525 PMAQI
30th Oct 2025566 PMAQI
30th Oct 2025567 PMAQI
30th Oct 2025628 PMAQI
30th Oct 2025699 PMAQI
30th Oct 20257310 PMAQI
30th Oct 20257211 PMAQI
31st Oct 20257312 AMAQI
31st Oct 2025711 AMAQI
31st Oct 2025652 AMAQI
31st Oct 2025613 AMAQI
31st Oct 2025614 AMAQI
31st Oct 2025565 AMAQI
25°C24/26°C
31st Oct 2025536 AMAQI
31st Oct 2025507 AMAQI
31st Oct 2025518 AMAQI
31st Oct 2025529 AMAQI
31st Oct 20255810 AMAQI
31st Oct 20255911 AMAQI
31st Oct 20256212 PMAQI
31st Oct 2025621 PMAQI
31st Oct 2025612 PMAQI
31st Oct 2025673 PMAQI
31st Oct 2025674 PMAQI
31st Oct 2025695 PMAQI
31st Oct 2025736 PMAQI
31st Oct 2025767 PMAQI
31st Oct 2025778 PMAQI
31st Oct 2025759 PMAQI
31st Oct 20257010 PMAQI
31st Oct 20256811 PMAQI
1st Nov 20256812 AMAQI
1st Nov 2025681 AMAQI
1st Nov 2025692 AMAQI
1st Nov 2025703 AMAQI
1st Nov 2025724 AMAQI
1st Nov 2025735 AMAQI
26°C25/27°C
1st Nov 2025666 AMAQI
1st Nov 2025597 AMAQI
1st Nov 2025618 AMAQI
1st Nov 2025559 AMAQI
1st Nov 20255510 AMAQI
1st Nov 20256311 AMAQI
1st Nov 20256312 PMAQI
1st Nov 2025621 PMAQI
1st Nov 2025692 PMAQI
1st Nov 2025693 PMAQI
1st Nov 2025664 PMAQI
1st Nov 2025645 PMAQI
1st Nov 2025646 PMAQI
1st Nov 2025637 PMAQI
1st Nov 2025638 PMAQI
1st Nov 2025639 PMAQI
1st Nov 20256710 PMAQI
1st Nov 20257311 PMAQI
2nd Nov 20257712 AMAQI
2nd Nov 2025731 AMAQI
2nd Nov 2025742 AMAQI
2nd Nov 2025813 AMAQI
2nd Nov 2025894 AMAQI
2nd Nov 2025875 AMAQI
24°C23/25°C
2nd Nov 2025936 AMAQI
2nd Nov 2025877 AMAQI
2nd Nov 2025888 AMAQI
2nd Nov 2025829 AMAQI
2nd Nov 20258110 AMAQI
2nd Nov 20256711 AMAQI
2nd Nov 20256812 PMAQI
2nd Nov 2025701 PMAQI
2nd Nov 2025632 PMAQI
2nd Nov 2025723 PMAQI
2nd Nov 2025714 PMAQI
2nd Nov 2025745 PMAQI
2nd Nov 2025686 PMAQI
2nd Nov 2025737 PMAQI
2nd Nov 2025778 PMAQI
2nd Nov 2025769 PMAQI
2nd Nov 20257910 PMAQI
2nd Nov 20258311 PMAQI
3rd Nov 20258012 AMAQI
3rd Nov 2025791 AMAQI
3rd Nov 2025822 AMAQI
3rd Nov 2025823 AMAQI
3rd Nov 2025834 AMAQI
3rd Nov 2025825 AMAQI
24°C23/25°C
3rd Nov 2025876 AMAQI
3rd Nov 2025857 AMAQI
3rd Nov 2025828 AMAQI
3rd Nov 2025789 AMAQI
3rd Nov 20258210 AMAQI
3rd Nov 20257711 AMAQI
3rd Nov 20257312 PMAQI
3rd Nov 2025721 PMAQI
3rd Nov 2025802 PMAQI
3rd Nov 2025823 PMAQI
3rd Nov 2025774 PMAQI
3rd Nov 2025805 PMAQI
3rd Nov 2025806 PMAQI
3rd Nov 2025787 PMAQI
3rd Nov 2025858 PMAQI
3rd Nov 2025849 PMAQI
3rd Nov 20258310 PMAQI
3rd Nov 20257511 PMAQI
4th Nov 20257312 AMAQI
4th Nov 2025741 AMAQI
4th Nov 2025772 AMAQI
4th Nov 2025823 AMAQI
4th Nov 2025794 AMAQI
4th Nov 2025775 AMAQI
23°C22/24°C
4th Nov 2025826 AMAQI
4th Nov 2025807 AMAQI
4th Nov 2025748 AMAQI
4th Nov 2025759 AMAQI
4th Nov 20257610 AMAQI
4th Nov 20257911 AMAQI
4th Nov 20258112 PMAQI
4th Nov 2025791 PMAQI
4th Nov 2025682 PMAQI
4th Nov 2025603 PMAQI
4th Nov 2025544 PMAQI
4th Nov 2025585 PMAQI
4th Nov 2025536 PMAQI
4th Nov 2025357 PMAQI
4th Nov 2025328 PMAQI
4th Nov 2025209 PMAQI
4th Nov 20252610 PMAQI
4th Nov 20253611 PMAQI
5th Nov 20254212 AMAQI
5th Nov 2025441 AMAQI
5th Nov 2025502 AMAQI
5th Nov 2025393 AMAQI
5th Nov 2025334 AMAQI
5th Nov 2025335 AMAQI
20°C19/21°C
5th Nov 2025456 AMAQI
6 AM5th Nov 2025357 AMAQI
5th Nov 2025408 AMAQI
5th Nov 2025399 AMAQI
5th Nov 20253010 AMAQI
5th Nov 20252711 AMAQI
11 AM5th Nov 20253212 PMAQI
5th Nov 2025261 PMAQI
5th Nov 2025272 PMAQI
5th Nov 2025283 PMAQI
5th Nov 2025224 PMAQI
5th Nov 2025225 PMAQI
5 PM11 PM
5 AM
--°C/°C
Day time
Avg. Highest Time
10 AM - 2 PM
66AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
3 PM - 5 PM
63AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 2 PM (Avg. 66), while the lowest AQI was between 3 PM to 5 PM (Avg. 63).
Night time
Avg. Highest Time
12 AM - 2 AM
65AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
5 AM
62AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 2 AM (Avg. 65), while the lowest AQI was between 5 AM to 5 AM (Avg. 62).
2025 Days Vs Air Quality
Sai Kung District, Hong Kong, China
2025
47%
145
51%
158
2%
5
Total number of days with different AQI categories in last 309 days in 2025 (56 days remaining)
Good
145 DaysModerate
158 DaysPoor
5 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 47%
Health Risk Level:
Significant
In 2025, 47% of 309 days were within WHO’s safe air quality limits, and 53% 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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
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
2nd August 2025
49AQI
49AQI
3rd August 2025
54AQI
54AQI
4th August 2025
56AQI
56AQI
5th August 2025
51AQI
51AQI
6th August 2025
47AQI
47AQI
7th August 2025
51AQI
51AQI
8th August 2025
55AQI
55AQI
9th August 2025
53AQI
53AQI
10th August 2025
44AQI
44AQI
11th August 2025
43AQI
43AQI
12th August 2025
44AQI
44AQI
13th August 2025
47AQI
47AQI
14th August 2025
42AQI
42AQI
15th August 2025
34AQI
34AQI
16th August 2025
40AQI
40AQI
17th August 2025
36AQI
36AQI
18th August 2025
32AQI
32AQI
19th August 2025
38AQI
38AQI
20th August 2025
38AQI
38AQI
21st August 2025
40AQI
40AQI
22nd August 2025
42AQI
42AQI
23rd August 2025
45AQI
45AQI
24th August 2025
40AQI
40AQI
25th August 2025
40AQI
40AQI
26th August 2025
42AQI
42AQI
27th August 2025
44AQI
44AQI
28th August 2025
49AQI
49AQI
29th August 2025
43AQI
43AQI
30th August 2025
41AQI
41AQI
31st August 2025
38AQI
38AQI
1st September 2025
40AQI
40AQI
2nd September 2025
38AQI
38AQI
3rd September 2025
41AQI
41AQI
4th September 2025
31AQI
31AQI
5th September 2025
28AQI
28AQI
6th September 2025
36AQI
36AQI
7th September 2025
35AQI
35AQI
8th September 2025
32AQI
32AQI
9th September 2025
36AQI
36AQI
10th September 2025
35AQI
35AQI
11th September 2025
37AQI
37AQI
12th September 2025
36AQI
36AQI
13th September 2025
34AQI
34AQI
14th September 2025
33AQI
33AQI
15th September 2025
32AQI
32AQI
16th September 2025
36AQI
36AQI
17th September 2025
41AQI
41AQI
18th September 2025
38AQI
38AQI
19th September 2025
33AQI
33AQI
20th September 2025
39AQI
39AQI
21st September 2025
33AQI
33AQI
22nd September 2025
42AQI
42AQI
23rd September 2025
42AQI
42AQI
24th September 2025
38AQI
38AQI
25th September 2025
44AQI
44AQI
26th September 2025
52AQI
52AQI
27th September 2025
32AQI
32AQI
28th September 2025
39AQI
39AQI
29th September 2025
33AQI
33AQI
30th September 2025
45AQI
45AQI
1st October 2025
55AQI
55AQI
2nd October 2025
48AQI
48AQI
3rd October 2025
53AQI
53AQI
4th October 2025
62AQI
62AQI
5th October 2025
65AQI
65AQI
6th October 2025
50AQI
50AQI
7th October 2025
70AQI
70AQI
8th October 2025
72AQI
72AQI
9th October 2025
72AQI
72AQI
10th October 2025
69AQI
69AQI
11th October 2025
62AQI
62AQI
12th October 2025
54AQI
54AQI
13th October 2025
45AQI
45AQI
14th October 2025
50AQI
50AQI
15th October 2025
60AQI
60AQI
16th October 2025
71AQI
71AQI
17th October 2025
75AQI
75AQI
18th October 2025
77AQI
77AQI
19th October 2025
67AQI
67AQI
20th October 2025
61AQI
61AQI
21st October 2025
57AQI
57AQI
22nd October 2025
44AQI
44AQI
23rd October 2025
52AQI
52AQI
24th October 2025
62AQI
62AQI
25th October 2025
68AQI
68AQI
26th October 2025
70AQI
70AQI
27th October 2025
92AQI
92AQI
28th October 2025
95AQI
95AQI
29th October 2025
56AQI
56AQI
30th October 2025
56AQI
56AQI
31st October 2025
66AQI
66AQI
1st November 2025
66AQI
66AQI
2nd November 2025
77AQI
77AQI
3rd November 2025
81AQI
81AQI
4th November 2025
73AQI
73AQI
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
76AQI
63AQI
55AQI
67AQI
52AQI
35AQI
45AQI
44AQI
37AQI
63AQI
74AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202554AQI
30
1
7
20
1
11
20
6
21
3
12
19
28
2
23
8
24
7
29
1
5
26
4
145
158
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
2023(Avg.)
55AQILeast Polluted Year Recorded
2020(Avg.)
43AQISai Kung District's annual 2025 AQI (54) shows an average percentage change of 7.7% (worsened AQI) compared to previous years: 2020 (43), 2021 (49), 2022 (52), 2023 (55), 2024 (54).
