Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Hong Kong Island, Hong Kong, China Historical Air Quality Analysis

Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!

Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

November Air Quality Analysis

Hong Kong Island, Hong Kong, China

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
6th Nov 2024
97AQI
Lowest AQI recorded on
14th Nov 2024
31AQI

Same Day Analysis (20th November ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 57 of Moderate air quality, showing improvement over 2023, 2022 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 21st Nov - 22nd Nov 2025

Hong Kong Island, Hong Kong, China

AQI
Day
Night
.

6 AM21st Nov 2025

5 PM

5 AM22nd Nov 2025

Day time
Avg. Highest Time
12AMNaNth undefined

AQI

Avg. Lowest Time
12AMNaNth undefined

AQI

Night time
Avg. Highest Time
10PM21st Nov

76AQI

Avg. Lowest Time
10AM21st Nov

58AQI

In the last 24 hours,

Hong Kong Island's AQI reached its highest point of 76 at 10 PM during the Night, while the lowest point, 58, was recorded at 10 AM during the Night between 21st Nov and 22nd Nov 2025.

Day & Night AQI Trend : Oct - Nov 2025

Hong Kong Island, Hong Kong, China

OctNov
23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd
Day
Night
23rd Oct 2025366 AMAQI
23rd Oct 2025247 AMAQI
23rd Oct 2025248 AMAQI
23rd Oct 2025289 AMAQI
23rd Oct 20253410 AMAQI
23rd Oct 20255111 AMAQI
23rd Oct 20256012 PMAQI
23rd Oct 2025641 PMAQI
23rd Oct 2025652 PMAQI
23rd Oct 2025713 PMAQI
23rd Oct 2025734 PMAQI
23rd Oct 2025745 PMAQI
23rd Oct 2025736 PMAQI
23rd Oct 2025767 PMAQI
23rd Oct 2025778 PMAQI
23rd Oct 2025769 PMAQI
23rd Oct 20257510 PMAQI
23rd Oct 20257311 PMAQI
24th Oct 20257112 AMAQI
24th Oct 2025701 AMAQI
24th Oct 2025682 AMAQI
24th Oct 2025643 AMAQI
24th Oct 2025614 AMAQI
24th Oct 2025595 AMAQI

21°C19/23°C

24th Oct 2025596 AMAQI
24th Oct 2025577 AMAQI
24th Oct 2025578 AMAQI
24th Oct 2025599 AMAQI
24th Oct 20256010 AMAQI
24th Oct 20256011 AMAQI
24th Oct 20256412 PMAQI
24th Oct 2025711 PMAQI
24th Oct 2025692 PMAQI
24th Oct 2025693 PMAQI
24th Oct 2025704 PMAQI
24th Oct 2025705 PMAQI
24th Oct 2025736 PMAQI
24th Oct 2025737 PMAQI
24th Oct 2025768 PMAQI
24th Oct 2025859 PMAQI
24th Oct 20258310 PMAQI
24th Oct 20258111 PMAQI
25th Oct 20257912 AMAQI
25th Oct 2025781 AMAQI
25th Oct 2025752 AMAQI
25th Oct 2025743 AMAQI
25th Oct 2025714 AMAQI
25th Oct 2025725 AMAQI

22°C20/24°C

25th Oct 2025696 AMAQI
25th Oct 2025697 AMAQI
25th Oct 2025678 AMAQI
25th Oct 2025689 AMAQI
25th Oct 20256710 AMAQI
25th Oct 20256411 AMAQI
25th Oct 20256512 PMAQI
25th Oct 2025651 PMAQI
25th Oct 2025642 PMAQI
25th Oct 2025633 PMAQI
25th Oct 2025644 PMAQI
25th Oct 2025655 PMAQI
25th Oct 2025676 PMAQI
25th Oct 2025717 PMAQI
25th Oct 2025738 PMAQI
25th Oct 2025819 PMAQI
25th Oct 20258210 PMAQI
25th Oct 20258211 PMAQI
26th Oct 20257612 AMAQI
26th Oct 2025761 AMAQI
26th Oct 2025752 AMAQI
26th Oct 2025743 AMAQI
26th Oct 2025734 AMAQI
26th Oct 2025725 AMAQI

24°C22/26°C

26th Oct 2025706 AMAQI
26th Oct 2025687 AMAQI
26th Oct 2025718 AMAQI
26th Oct 2025709 AMAQI
26th Oct 20257110 AMAQI
26th Oct 20257311 AMAQI
26th Oct 20257212 PMAQI
26th Oct 2025741 PMAQI
26th Oct 2025762 PMAQI
26th Oct 2025743 PMAQI
26th Oct 2025734 PMAQI
26th Oct 2025765 PMAQI
26th Oct 2025736 PMAQI
26th Oct 2025767 PMAQI
26th Oct 2025798 PMAQI
26th Oct 2025849 PMAQI
26th Oct 20258310 PMAQI
26th Oct 20258311 PMAQI
27th Oct 20258612 AMAQI
27th Oct 2025851 AMAQI
27th Oct 2025872 AMAQI
27th Oct 2025833 AMAQI
27th Oct 2025834 AMAQI
27th Oct 2025785 AMAQI

26°C23/28°C

27th Oct 2025776 AMAQI
27th Oct 2025787 AMAQI
27th Oct 2025778 AMAQI
27th Oct 2025819 AMAQI
27th Oct 20258910 AMAQI
27th Oct 20259711 AMAQI
27th Oct 20259612 PMAQI
27th Oct 2025931 PMAQI
27th Oct 2025972 PMAQI
27th Oct 20251023 PMAQI
27th Oct 20251024 PMAQI
27th Oct 20251045 PMAQI
27th Oct 20251076 PMAQI
27th Oct 20251137 PMAQI
27th Oct 20251208 PMAQI
27th Oct 20251259 PMAQI
27th Oct 202512610 PMAQI
27th Oct 202512611 PMAQI
28th Oct 202512312 AMAQI
28th Oct 20251191 AMAQI
28th Oct 20251122 AMAQI
28th Oct 20251083 AMAQI
28th Oct 20251084 AMAQI
28th Oct 20251025 AMAQI

24°C23/24°C

28th Oct 20251026 AMAQI
28th Oct 20251007 AMAQI
28th Oct 2025988 AMAQI
28th Oct 20251019 AMAQI
28th Oct 202510110 AMAQI
28th Oct 202510511 AMAQI
28th Oct 202510312 PMAQI
28th Oct 20251001 PMAQI
28th Oct 20251022 PMAQI
28th Oct 20251033 PMAQI
28th Oct 20251094 PMAQI
28th Oct 20251055 PMAQI
28th Oct 2025986 PMAQI
28th Oct 2025877 PMAQI
28th Oct 2025768 PMAQI
28th Oct 2025729 PMAQI
28th Oct 20257210 PMAQI
28th Oct 20257011 PMAQI
29th Oct 20256412 AMAQI
29th Oct 2025561 AMAQI
29th Oct 2025532 AMAQI
29th Oct 2025513 AMAQI
29th Oct 2025514 AMAQI
29th Oct 2025575 AMAQI

21°C20/22°C

29th Oct 2025586 AMAQI
29th Oct 2025597 AMAQI
29th Oct 2025618 AMAQI
29th Oct 2025639 AMAQI
29th Oct 20256910 AMAQI
29th Oct 20257311 AMAQI
29th Oct 20257012 PMAQI
29th Oct 2025651 PMAQI
29th Oct 2025642 PMAQI
29th Oct 2025593 PMAQI
29th Oct 2025584 PMAQI
29th Oct 2025605 PMAQI
29th Oct 2025616 PMAQI
29th Oct 2025637 PMAQI
29th Oct 2025638 PMAQI
29th Oct 2025669 PMAQI
29th Oct 20256910 PMAQI
29th Oct 20256411 PMAQI
30th Oct 20256012 AMAQI
30th Oct 2025561 AMAQI
30th Oct 2025542 AMAQI
30th Oct 2025553 AMAQI
30th Oct 2025574 AMAQI
30th Oct 2025555 AMAQI

24°C24/25°C

30th Oct 2025556 AMAQI
30th Oct 2025567 AMAQI
30th Oct 2025528 AMAQI
30th Oct 2025559 AMAQI
30th Oct 20255910 AMAQI
30th Oct 20256111 AMAQI
30th Oct 20256012 PMAQI
30th Oct 2025621 PMAQI
30th Oct 2025632 PMAQI
30th Oct 2025623 PMAQI
30th Oct 2025664 PMAQI
30th Oct 2025695 PMAQI
30th Oct 2025706 PMAQI
30th Oct 2025737 PMAQI
30th Oct 2025778 PMAQI
30th Oct 2025779 PMAQI
30th Oct 20258510 PMAQI
30th Oct 20259511 PMAQI
31st Oct 202510412 AMAQI
31st Oct 2025881 AMAQI
31st Oct 2025762 AMAQI
31st Oct 2025623 AMAQI
31st Oct 2025664 AMAQI
31st Oct 2025635 AMAQI

25°C24/26°C

31st Oct 2025616 AMAQI
31st Oct 2025577 AMAQI
31st Oct 2025538 AMAQI
31st Oct 2025549 AMAQI
31st Oct 20255710 AMAQI
31st Oct 20255811 AMAQI
31st Oct 20256112 PMAQI
31st Oct 2025681 PMAQI
31st Oct 2025712 PMAQI
31st Oct 2025773 PMAQI
31st Oct 2025814 PMAQI
31st Oct 2025815 PMAQI
31st Oct 2025836 PMAQI
31st Oct 2025837 PMAQI
31st Oct 2025838 PMAQI
31st Oct 2025839 PMAQI
31st Oct 20258110 PMAQI
31st Oct 20257911 PMAQI
1st Nov 20257712 AMAQI
1st Nov 2025741 AMAQI
1st Nov 2025712 AMAQI
1st Nov 2025683 AMAQI
1st Nov 2025684 AMAQI
1st Nov 2025655 AMAQI

26°C25/27°C

1st Nov 2025666 AMAQI
1st Nov 2025667 AMAQI
1st Nov 2025648 AMAQI
1st Nov 2025639 AMAQI
1st Nov 20256410 AMAQI
1st Nov 20256911 AMAQI
1st Nov 20257112 PMAQI
1st Nov 2025711 PMAQI
1st Nov 2025712 PMAQI
1st Nov 2025733 PMAQI
1st Nov 2025754 PMAQI
1st Nov 2025755 PMAQI
1st Nov 2025746 PMAQI
1st Nov 2025737 PMAQI
1st Nov 2025768 PMAQI
1st Nov 2025759 PMAQI
1st Nov 20257610 PMAQI
1st Nov 20257811 PMAQI
2nd Nov 20257812 AMAQI
2nd Nov 2025811 AMAQI
2nd Nov 2025832 AMAQI
2nd Nov 2025823 AMAQI
2nd Nov 2025854 AMAQI
2nd Nov 2025895 AMAQI

24°C23/25°C

2nd Nov 2025806 AMAQI
2nd Nov 2025837 AMAQI
2nd Nov 2025778 AMAQI
2nd Nov 2025779 AMAQI
2nd Nov 20257610 AMAQI
2nd Nov 20257611 AMAQI
2nd Nov 20257812 PMAQI
2nd Nov 2025761 PMAQI
2nd Nov 2025742 PMAQI
2nd Nov 2025743 PMAQI
2nd Nov 2025794 PMAQI
2nd Nov 2025825 PMAQI
2nd Nov 2025826 PMAQI
2nd Nov 2025827 PMAQI
2nd Nov 2025868 PMAQI
2nd Nov 2025889 PMAQI
2nd Nov 20259010 PMAQI
2nd Nov 20259211 PMAQI
3rd Nov 20258912 AMAQI
3rd Nov 2025951 AMAQI
3rd Nov 2025882 AMAQI
3rd Nov 2025903 AMAQI
3rd Nov 2025924 AMAQI
3rd Nov 2025925 AMAQI

24°C23/25°C

3rd Nov 2025916 AMAQI
3rd Nov 2025927 AMAQI
3rd Nov 2025878 AMAQI
3rd Nov 2025869 AMAQI
3rd Nov 20258910 AMAQI
3rd Nov 20259111 AMAQI
3rd Nov 20258612 PMAQI
3rd Nov 2025861 PMAQI
3rd Nov 2025862 PMAQI
3rd Nov 2025873 PMAQI
3rd Nov 2025904 PMAQI
3rd Nov 2025935 PMAQI
3rd Nov 2025936 PMAQI
3rd Nov 2025927 PMAQI
3rd Nov 2025898 PMAQI
3rd Nov 2025889 PMAQI
3rd Nov 20258510 PMAQI
3rd Nov 20258311 PMAQI
4th Nov 20258412 AMAQI
4th Nov 2025841 AMAQI
4th Nov 2025862 AMAQI
4th Nov 2025843 AMAQI
4th Nov 2025824 AMAQI
4th Nov 2025805 AMAQI

23°C22/24°C

4th Nov 2025786 AMAQI
4th Nov 2025757 AMAQI
4th Nov 2025738 AMAQI
4th Nov 2025749 AMAQI
4th Nov 20258010 AMAQI
4th Nov 20257511 AMAQI
4th Nov 20257712 PMAQI
4th Nov 2025771 PMAQI
4th Nov 2025772 PMAQI
4th Nov 2025733 PMAQI
4th Nov 2025724 PMAQI
4th Nov 2025685 PMAQI
4th Nov 2025636 PMAQI
4th Nov 2025607 PMAQI
4th Nov 2025478 PMAQI
4th Nov 2025459 PMAQI
4th Nov 20254210 PMAQI
4th Nov 20254111 PMAQI
5th Nov 20253912 AMAQI
5th Nov 2025391 AMAQI
5th Nov 2025432 AMAQI
5th Nov 2025423 AMAQI
5th Nov 2025414 AMAQI
5th Nov 2025395 AMAQI

20°C19/21°C

5th Nov 2025396 AMAQI
5th Nov 2025387 AMAQI
5th Nov 2025348 AMAQI
5th Nov 2025329 AMAQI
5th Nov 20253310 AMAQI
5th Nov 20254011 AMAQI
5th Nov 20253812 PMAQI
5th Nov 2025391 PMAQI
5th Nov 2025422 PMAQI
5th Nov 2025443 PMAQI
5th Nov 2025464 PMAQI
5th Nov 2025495 PMAQI
5th Nov 2025526 PMAQI
5th Nov 2025537 PMAQI
5th Nov 2025558 PMAQI
5th Nov 2025559 PMAQI
5th Nov 20255810 PMAQI
5th Nov 20255711 PMAQI
6th Nov 20255812 AMAQI
6th Nov 2025561 AMAQI
6th Nov 2025572 AMAQI
6th Nov 2025553 AMAQI
6th Nov 2025584 AMAQI
6th Nov 2025525 AMAQI

22°C20/24°C

6th Nov 2025546 AMAQI
6th Nov 2025577 AMAQI
6th Nov 2025558 AMAQI
6th Nov 2025549 AMAQI
6th Nov 20255610 AMAQI
6th Nov 20255911 AMAQI
6th Nov 20256112 PMAQI
6th Nov 2025611 PMAQI
6th Nov 2025612 PMAQI
6th Nov 2025653 PMAQI
6th Nov 2025654 PMAQI
6th Nov 2025665 PMAQI
6th Nov 2025696 PMAQI
6th Nov 2025727 PMAQI
6th Nov 2025708 PMAQI
6th Nov 2025689 PMAQI
6th Nov 20256610 PMAQI
6th Nov 20256411 PMAQI
7th Nov 20256012 AMAQI
7th Nov 2025611 AMAQI
7th Nov 2025582 AMAQI
7th Nov 2025573 AMAQI
7th Nov 2025544 AMAQI
7th Nov 2025565 AMAQI

24°C23/25°C

7th Nov 2025526 AMAQI
7th Nov 2025507 AMAQI
7th Nov 2025538 AMAQI
7th Nov 2025539 AMAQI
7th Nov 20255110 AMAQI
7th Nov 20255211 AMAQI
7th Nov 20255412 PMAQI
7th Nov 2025581 PMAQI
7th Nov 2025592 PMAQI
7th Nov 2025633 PMAQI
7th Nov 2025634 PMAQI
7th Nov 2025645 PMAQI
7th Nov 2025666 PMAQI
7th Nov 2025667 PMAQI
7th Nov 2025678 PMAQI
7th Nov 2025699 PMAQI
7th Nov 20256710 PMAQI
7th Nov 20256711 PMAQI
8th Nov 20256812 AMAQI
8th Nov 2025691 AMAQI
8th Nov 2025642 AMAQI
8th Nov 2025623 AMAQI
8th Nov 2025604 AMAQI
8th Nov 2025605 AMAQI

24°C24/25°C

8th Nov 2025586 AMAQI
8th Nov 2025577 AMAQI
8th Nov 2025588 AMAQI
8th Nov 2025599 AMAQI
8th Nov 20256210 AMAQI
8th Nov 20256211 AMAQI
8th Nov 20256212 PMAQI
8th Nov 2025611 PMAQI
8th Nov 2025612 PMAQI
8th Nov 2025633 PMAQI
8th Nov 2025654 PMAQI
8th Nov 2025665 PMAQI
8th Nov 2025706 PMAQI
8th Nov 2025687 PMAQI
8th Nov 2025698 PMAQI
8th Nov 2025909 PMAQI
8th Nov 20258210 PMAQI
8th Nov 20258411 PMAQI
9th Nov 20258812 AMAQI
9th Nov 2025831 AMAQI
9th Nov 2025792 AMAQI
9th Nov 2025513 AMAQI
9th Nov 2025504 AMAQI
9th Nov 2025515 AMAQI

25°C24/25°C

9th Nov 2025516 AMAQI
9th Nov 2025547 AMAQI
9th Nov 2025658 AMAQI
9th Nov 2025569 AMAQI
9th Nov 20255410 AMAQI
9th Nov 20255611 AMAQI
9th Nov 20256512 PMAQI
9th Nov 2025701 PMAQI
9th Nov 2025792 PMAQI
9th Nov 2025853 PMAQI
9th Nov 2025914 PMAQI
9th Nov 2025885 PMAQI
9th Nov 2025956 PMAQI
9th Nov 2025817 PMAQI
9th Nov 2025728 PMAQI
9th Nov 2025639 PMAQI
9th Nov 20255710 PMAQI
9th Nov 20255311 PMAQI
10th Nov 20255012 AMAQI
10th Nov 2025501 AMAQI
10th Nov 2025492 AMAQI
10th Nov 2025453 AMAQI
10th Nov 2025404 AMAQI
10th Nov 2025415 AMAQI

25°C24/26°C

10th Nov 2025366 AMAQI
10th Nov 2025367 AMAQI
10th Nov 2025408 AMAQI
10th Nov 2025439 AMAQI
10th Nov 20254810 AMAQI
10th Nov 20255211 AMAQI
10th Nov 20255212 PMAQI
10th Nov 2025541 PMAQI
10th Nov 2025562 PMAQI
10th Nov 2025603 PMAQI
10th Nov 2025614 PMAQI
10th Nov 2025615 PMAQI
10th Nov 2025646 PMAQI
10th Nov 2025627 PMAQI
10th Nov 2025638 PMAQI
10th Nov 2025659 PMAQI
10th Nov 20256410 PMAQI
10th Nov 20256311 PMAQI
11th Nov 20256012 AMAQI
11th Nov 2025581 AMAQI
11th Nov 2025552 AMAQI
11th Nov 2025473 AMAQI
11th Nov 2025464 AMAQI
11th Nov 2025415 AMAQI

24°C23/27°C

11th Nov 2025376 AMAQI
11th Nov 2025337 AMAQI
11th Nov 2025358 AMAQI
11th Nov 2025409 AMAQI
11th Nov 20254110 AMAQI
11th Nov 20254111 AMAQI
11th Nov 20254212 PMAQI
11th Nov 2025441 PMAQI
11th Nov 2025502 PMAQI
11th Nov 2025533 PMAQI
11th Nov 2025584 PMAQI
11th Nov 2025585 PMAQI
11th Nov 2025566 PMAQI
11th Nov 2025617 PMAQI
11th Nov 2025588 PMAQI
11th Nov 2025619 PMAQI
11th Nov 20256510 PMAQI
11th Nov 20256411 PMAQI
12th Nov 20256812 AMAQI
12th Nov 2025721 AMAQI
12th Nov 2025732 AMAQI
12th Nov 2025723 AMAQI
12th Nov 2025694 AMAQI
12th Nov 2025685 AMAQI

24°C22/25°C

12th Nov 2025686 AMAQI
12th Nov 2025657 AMAQI
12th Nov 2025668 AMAQI
12th Nov 2025669 AMAQI
12th Nov 20256510 AMAQI
12th Nov 20256511 AMAQI
12th Nov 20256512 PMAQI
12th Nov 2025631 PMAQI
12th Nov 2025592 PMAQI
12th Nov 2025593 PMAQI
12th Nov 2025594 PMAQI
12th Nov 2025585 PMAQI
12th Nov 2025596 PMAQI
12th Nov 2025617 PMAQI
12th Nov 2025608 PMAQI
12th Nov 2025629 PMAQI
12th Nov 20256210 PMAQI
12th Nov 20256411 PMAQI
13th Nov 20256312 AMAQI
13th Nov 2025621 AMAQI
13th Nov 2025592 AMAQI
13th Nov 2025603 AMAQI
13th Nov 2025594 AMAQI
13th Nov 2025585 AMAQI

22°C20/25°C

13th Nov 2025536 AMAQI
13th Nov 2025397 AMAQI
13th Nov 2025428 AMAQI
13th Nov 2025429 AMAQI
13th Nov 20254910 AMAQI
13th Nov 20254711 AMAQI
13th Nov 20254912 PMAQI
13th Nov 2025521 PMAQI
13th Nov 2025552 PMAQI
13th Nov 2025543 PMAQI
13th Nov 2025564 PMAQI
13th Nov 2025575 PMAQI
13th Nov 2025636 PMAQI
13th Nov 2025637 PMAQI
13th Nov 2025648 PMAQI
13th Nov 2025659 PMAQI
13th Nov 20256210 PMAQI
13th Nov 20256011 PMAQI
14th Nov 20255512 AMAQI
14th Nov 2025451 AMAQI
14th Nov 2025432 AMAQI
14th Nov 2025353 AMAQI
14th Nov 2025354 AMAQI
14th Nov 2025345 AMAQI

21°C20/23°C

14th Nov 2025306 AMAQI
14th Nov 2025367 AMAQI
14th Nov 2025368 AMAQI
14th Nov 2025409 AMAQI
14th Nov 20254510 AMAQI
14th Nov 20254711 AMAQI
14th Nov 20254912 PMAQI
14th Nov 2025521 PMAQI
14th Nov 2025522 PMAQI
14th Nov 2025503 PMAQI
14th Nov 2025544 PMAQI
14th Nov 2025595 PMAQI
14th Nov 2025626 PMAQI
14th Nov 2025657 PMAQI
14th Nov 2025638 PMAQI
14th Nov 2025639 PMAQI
14th Nov 20256410 PMAQI
14th Nov 20256311 PMAQI
15th Nov 20256912 AMAQI
15th Nov 2025711 AMAQI
15th Nov 2025662 AMAQI
15th Nov 2025643 AMAQI
15th Nov 2025664 AMAQI
15th Nov 2025655 AMAQI

22°C20/24°C

15th Nov 2025626 AMAQI
15th Nov 2025627 AMAQI
15th Nov 2025608 AMAQI
15th Nov 2025669 AMAQI
15th Nov 20256710 AMAQI
15th Nov 20257011 AMAQI
15th Nov 20256912 PMAQI
15th Nov 2025751 PMAQI
15th Nov 2025722 PMAQI
15th Nov 2025703 PMAQI
15th Nov 2025724 PMAQI
15th Nov 2025725 PMAQI
15th Nov 2025776 PMAQI
15th Nov 2025777 PMAQI
15th Nov 2025768 PMAQI
15th Nov 2025779 PMAQI
15th Nov 20257610 PMAQI
15th Nov 20257411 PMAQI
16th Nov 20257212 AMAQI
16th Nov 2025701 AMAQI
16th Nov 2025682 AMAQI
16th Nov 2025653 AMAQI
16th Nov 2025674 AMAQI
16th Nov 2025675 AMAQI

23°C22/24°C

16th Nov 2025686 AMAQI
16th Nov 2025687 AMAQI
16th Nov 2025638 AMAQI
16th Nov 2025649 AMAQI
16th Nov 20256510 AMAQI
16th Nov 20256411 AMAQI
16th Nov 20256512 PMAQI
16th Nov 2025651 PMAQI
16th Nov 2025662 PMAQI
16th Nov 2025673 PMAQI
16th Nov 2025674 PMAQI
16th Nov 2025705 PMAQI
16th Nov 2025746 PMAQI
16th Nov 2025747 PMAQI
16th Nov 2025728 PMAQI
16th Nov 2025739 PMAQI
16th Nov 20257310 PMAQI
16th Nov 20257211 PMAQI
17th Nov 20257412 AMAQI
17th Nov 2025721 AMAQI
17th Nov 2025672 AMAQI
17th Nov 2025663 AMAQI
17th Nov 2025624 AMAQI
17th Nov 2025625 AMAQI

23°C22/24°C

17th Nov 2025626 AMAQI
17th Nov 2025627 AMAQI
17th Nov 2025628 AMAQI
17th Nov 2025669 AMAQI
17th Nov 20256810 AMAQI
17th Nov 20257111 AMAQI
17th Nov 20257512 PMAQI
17th Nov 2025781 PMAQI
17th Nov 2025792 PMAQI
17th Nov 2025793 PMAQI
17th Nov 2025784 PMAQI
17th Nov 2025805 PMAQI
17th Nov 2025816 PMAQI
17th Nov 2025807 PMAQI
17th Nov 2025788 PMAQI
17th Nov 2025779 PMAQI
17th Nov 20257610 PMAQI
17th Nov 20257011 PMAQI
18th Nov 20256712 AMAQI
18th Nov 2025681 AMAQI
18th Nov 2025702 AMAQI
18th Nov 2025703 AMAQI
18th Nov 2025724 AMAQI
18th Nov 2025785 AMAQI

23°C22/25°C

18th Nov 2025836 AMAQI
18th Nov 2025917 AMAQI
18th Nov 20251008 AMAQI
18th Nov 20251079 AMAQI
18th Nov 202510810 AMAQI
18th Nov 202510911 AMAQI
18th Nov 202510412 PMAQI
18th Nov 20251011 PMAQI
18th Nov 2025952 PMAQI
18th Nov 2025883 PMAQI
18th Nov 2025864 PMAQI
18th Nov 2025825 PMAQI
18th Nov 2025776 PMAQI
18th Nov 2025737 PMAQI
18th Nov 2025708 PMAQI
18th Nov 2025669 PMAQI
18th Nov 20256310 PMAQI
18th Nov 20256311 PMAQI
19th Nov 20256012 AMAQI
19th Nov 2025601 AMAQI
19th Nov 2025582 AMAQI
19th Nov 2025503 AMAQI
19th Nov 2025484 AMAQI
19th Nov 2025475 AMAQI

19°C14/20°C

19th Nov 2025436 AMAQI
19th Nov 2025407 AMAQI
19th Nov 2025358 AMAQI
19th Nov 2025379 AMAQI
19th Nov 20254110 AMAQI
19th Nov 20254511 AMAQI
19th Nov 20254812 PMAQI
19th Nov 2025551 PMAQI
19th Nov 2025562 PMAQI
19th Nov 2025583 PMAQI
19th Nov 2025614 PMAQI
19th Nov 2025625 PMAQI
19th Nov 2025626 PMAQI
19th Nov 2025587 PMAQI
19th Nov 2025578 PMAQI
19th Nov 2025599 PMAQI
19th Nov 20255810 PMAQI
19th Nov 20255611 PMAQI
20th Nov 20255212 AMAQI
20th Nov 2025521 AMAQI
20th Nov 2025532 AMAQI
20th Nov 2025553 AMAQI
20th Nov 2025504 AMAQI
20th Nov 2025515 AMAQI

17°C14/19°C

20th Nov 2025506 AMAQI
20th Nov 2025497 AMAQI
20th Nov 2025488 AMAQI
20th Nov 2025509 AMAQI
20th Nov 20254910 AMAQI
20th Nov 20255711 AMAQI
20th Nov 20256012 PMAQI
20th Nov 2025611 PMAQI
20th Nov 2025582 PMAQI
20th Nov 2025663 PMAQI
20th Nov 2025654 PMAQI
20th Nov 2025635 PMAQI
20th Nov 2025646 PMAQI
20th Nov 2025657 PMAQI
20th Nov 2025678 PMAQI
20th Nov 2025689 PMAQI
20th Nov 20257010 PMAQI
20th Nov 20256711 PMAQI
21st Nov 20256612 AMAQI
21st Nov 2025661 AMAQI
21st Nov 2025632 AMAQI
21st Nov 2025633 AMAQI
21st Nov 2025604 AMAQI
21st Nov 2025585 AMAQI

17°C16/18°C

21st Nov 2025586 AMAQI
21st Nov 2025587 AMAQI
21st Nov 2025588 AMAQI
21st Nov 2025599 AMAQI
21st Nov 20255810 AMAQI
21st Nov 20256011 AMAQI
21st Nov 20256012 PMAQI
21st Nov 2025611 PMAQI
21st Nov 2025602 PMAQI
21st Nov 2025633 PMAQI
21st Nov 2025624 PMAQI
21st Nov 2025635 PMAQI
21st Nov 2025676 PMAQI
21st Nov 2025677 PMAQI
21st Nov 2025728 PMAQI
21st Nov 2025759 PMAQI
21st Nov 20257610 PMAQI
21st Nov 20257411 PMAQI
22nd Nov 20257412 AMAQI
22nd Nov 2025711 AMAQI
22nd Nov 2025682 AMAQI
22nd Nov 2025723 AMAQI
22nd Nov 2025704 AMAQI
22nd Nov 2025705 AMAQI

--°C/°C

22nd Nov 2025686 AMAQI
6 AM
22nd Nov 2025667 AMAQI
11 AM
5 PM
11 PM
5 AM

--°C/°C

Day time
Avg. Highest Time
11 AM - 5 PM

68AQI

7 hours / Day
210 hours / Month
Avg. Lowest Time
6 AM - 9 AM

60AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 5 PM (Avg. 68), while the lowest AQI was between 6 AM to 9 AM (Avg. 60).
Night time
Avg. Highest Time
6 PM - 11 PM

73AQI

6 hours / Day
180 hours / Month
Avg. Lowest Time
3 AM - 5 AM

63AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 PM to 11 PM (Avg. 73), while the lowest AQI was between 3 AM to 5 AM (Avg. 63).

2025 Days Vs Air Quality

Hong Kong Island, Hong Kong, China

2025

33%

106

62%

202

5%

16

Total number of days with different AQI categories in last 325 days in 2025 (40 days remaining)

Good
106 Days
Moderate
202 Days
Poor
16 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 33%

Health Risk Level:

High

In 2025, 33% of 325 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.

Annual Air Quality Insights

Hong Kong Island, Hong Kong, China

AQI levels in 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
111AQI
2nd January 2025
137AQI
3rd January 2025
104AQI
4th January 2025
106AQI
5th January 2025
101AQI
6th January 2025
103AQI
7th January 2025
92AQI
8th January 2025
102AQI
9th January 2025
107AQI
10th January 2025
85AQI
11th January 2025
94AQI
12th January 2025
70AQI
13th January 2025
75AQI
14th January 2025
70AQI
15th January 2025
82AQI
16th January 2025
111AQI
17th January 2025
89AQI
18th January 2025
100AQI
19th January 2025
93AQI
20th January 2025
92AQI
21st January 2025
87AQI
22nd January 2025
87AQI
23rd January 2025
79AQI
24th January 2025
70AQI
25th January 2025
62AQI
26th January 2025
55AQI
27th January 2025
58AQI
28th January 2025
59AQI
29th January 2025
85AQI
30th January 2025
63AQI
31st January 2025
64AQI
1st February 2025
53AQI
2nd February 2025
59AQI
3rd February 2025
42AQI
4th February 2025
50AQI
5th February 2025
76AQI
6th February 2025
65AQI
7th February 2025
63AQI
8th February 2025
66AQI
9th February 2025
59AQI
10th February 2025
61AQI
11th February 2025
60AQI
12th February 2025
57AQI
13th February 2025
85AQI
14th February 2025
82AQI
15th February 2025
82AQI
16th February 2025
116AQI
17th February 2025
89AQI
18th February 2025
123AQI
19th February 2025
75AQI
20th February 2025
86AQI
21st February 2025
81AQI
22nd February 2025
72AQI
23rd February 2025
56AQI
24th February 2025
59AQI
25th February 2025
83AQI
26th February 2025
92AQI
27th February 2025
78AQI
28th February 2025
75AQI
1st March 2025
74AQI
2nd March 2025
67AQI
3rd March 2025
63AQI
4th March 2025
60AQI
5th March 2025
51AQI
6th March 2025
47AQI
7th March 2025
55AQI
8th March 2025
63AQI
9th March 2025
64AQI
10th March 2025
69AQI
11th March 2025
69AQI
12th March 2025
64AQI
13th March 2025
72AQI
14th March 2025
66AQI
15th March 2025
58AQI
16th March 2025
46AQI
17th March 2025
73AQI
18th March 2025
67AQI
19th March 2025
74AQI
20th March 2025
76AQI
21st March 2025
79AQI
22nd March 2025
75AQI
23rd March 2025
77AQI
24th March 2025
81AQI
25th March 2025
76AQI
26th March 2025
63AQI
27th March 2025
63AQI
28th March 2025
68AQI
29th March 2025
50AQI
30th March 2025
44AQI
31st March 2025
44AQI
1st April 2025
53AQI
2nd April 2025
54AQI
3rd April 2025
61AQI
4th April 2025
63AQI
5th April 2025
64AQI
6th April 2025
74AQI
7th April 2025
75AQI
8th April 2025
83AQI
9th April 2025
72AQI
10th April 2025
71AQI
11th April 2025
66AQI
12th April 2025
62AQI
13th April 2025
126AQI
14th April 2025
132AQI
15th April 2025
132AQI
16th April 2025
104AQI
17th April 2025
89AQI
18th April 2025
76AQI
19th April 2025
65AQI
20th April 2025
61AQI
21st April 2025
58AQI
22nd April 2025
61AQI
23rd April 2025
56AQI
24th April 2025
52AQI
25th April 2025
59AQI
26th April 2025
54AQI
27th April 2025
64AQI
28th April 2025
73AQI
29th April 2025
66AQI
30th April 2025
75AQI
1st May 2025
69AQI
2nd May 2025
79AQI
3rd May 2025
84AQI
4th May 2025
67AQI
5th May 2025
63AQI
6th May 2025
57AQI
7th May 2025
56AQI
8th May 2025
64AQI
9th May 2025
53AQI
10th May 2025
64AQI
11th May 2025
58AQI
12th May 2025
62AQI
13th May 2025
65AQI
14th May 2025
59AQI
15th May 2025
52AQI
16th May 2025
46AQI
17th May 2025
43AQI
18th May 2025
44AQI
19th May 2025
48AQI
20th May 2025
42AQI
21st May 2025
49AQI
22nd May 2025
44AQI
23rd May 2025
47AQI
24th May 2025
52AQI
25th May 2025
69AQI
26th May 2025
66AQI
27th May 2025
72AQI
28th May 2025
61AQI
29th May 2025
61AQI
30th May 2025
49AQI
31st May 2025
63AQI
1st June 2025
64AQI
2nd June 2025
56AQI
3rd June 2025
62AQI
4th June 2025
47AQI
5th June 2025
57AQI
6th June 2025
56AQI
7th June 2025
50AQI
8th June 2025
45AQI
9th June 2025
48AQI
10th June 2025
40AQI
11th June 2025
36AQI
12th June 2025
38AQI
13th June 2025
39AQI
14th June 2025
45AQI
15th June 2025
43AQI
16th June 2025
45AQI
17th June 2025
44AQI
18th June 2025
43AQI
19th June 2025
40AQI
20th June 2025
37AQI
21st June 2025
33AQI
22nd June 2025
30AQI
23rd June 2025
31AQI
24th June 2025
31AQI
25th June 2025
34AQI
26th June 2025
32AQI
27th June 2025
34AQI
28th June 2025
33AQI
29th June 2025
33AQI
30th June 2025
32AQI
1st July 2025
32AQI
2nd July 2025
35AQI
3rd July 2025
39AQI
4th July 2025
47AQI
5th July 2025
47AQI
6th July 2025
48AQI
7th July 2025
54AQI
8th July 2025
42AQI
9th July 2025
48AQI
10th July 2025
50AQI
11th July 2025
51AQI
12th July 2025
51AQI
13th July 2025
53AQI
14th July 2025
52AQI
15th July 2025
52AQI
16th July 2025
51AQI
17th July 2025
56AQI
18th July 2025
58AQI
19th July 2025
63AQI
20th July 2025
40AQI
21st July 2025
47AQI
22nd July 2025
48AQI
23rd July 2025
44AQI
24th July 2025
55AQI
25th July 2025
62AQI
26th July 2025
63AQI
27th July 2025
54AQI
28th July 2025
60AQI
29th July 2025
54AQI
30th July 2025
61AQI
31st July 2025
53AQI
1st August 2025
55AQI
2nd August 2025
53AQI
3rd August 2025
54AQI
4th August 2025
54AQI
5th August 2025
49AQI
6th August 2025
45AQI
7th August 2025
52AQI
8th August 2025
58AQI
9th August 2025
56AQI
10th August 2025
46AQI
11th August 2025
48AQI
12th August 2025
49AQI
13th August 2025
52AQI
14th August 2025
44AQI
15th August 2025
38AQI
16th August 2025
42AQI
17th August 2025
38AQI
18th August 2025
35AQI
19th August 2025
39AQI
20th August 2025
39AQI
21st August 2025
39AQI
22nd August 2025
41AQI
23rd August 2025
46AQI
24th August 2025
43AQI
25th August 2025
40AQI
26th August 2025
44AQI
27th August 2025
46AQI
28th August 2025
50AQI
29th August 2025
48AQI
30th August 2025
46AQI
31st August 2025
45AQI
1st September 2025
43AQI
2nd September 2025
42AQI
3rd September 2025
43AQI
4th September 2025
40AQI
5th September 2025
38AQI
6th September 2025
45AQI
7th September 2025
42AQI
8th September 2025
35AQI
9th September 2025
38AQI
10th September 2025
37AQI
11th September 2025
37AQI
12th September 2025
39AQI
13th September 2025
38AQI
14th September 2025
36AQI
15th September 2025
37AQI
16th September 2025
41AQI
17th September 2025
43AQI
18th September 2025
43AQI
19th September 2025
37AQI
20th September 2025
46AQI
21st September 2025
38AQI
22nd September 2025
52AQI
23rd September 2025
52AQI
24th September 2025
39AQI
25th September 2025
42AQI
26th September 2025
45AQI
27th September 2025
38AQI
28th September 2025
43AQI
29th September 2025
42AQI
30th September 2025
54AQI
1st October 2025
56AQI
2nd October 2025
53AQI
3rd October 2025
54AQI
4th October 2025
67AQI
5th October 2025
54AQI
6th October 2025
61AQI
7th October 2025
70AQI
8th October 2025
68AQI
9th October 2025
70AQI
10th October 2025
68AQI
11th October 2025
62AQI
12th October 2025
59AQI
13th October 2025
63AQI
14th October 2025
61AQI
15th October 2025
63AQI
16th October 2025
69AQI
17th October 2025
76AQI
18th October 2025
83AQI
19th October 2025
77AQI
20th October 2025
68AQI
21st October 2025
58AQI
22nd October 2025
37AQI
23rd October 2025
53AQI
24th October 2025
69AQI
25th October 2025
72AQI
26th October 2025
75AQI
27th October 2025
95AQI
28th October 2025
101AQI
29th October 2025
62AQI
30th October 2025
64AQI
31st October 2025
78AQI
1st November 2025
72AQI
2nd November 2025
81AQI
3rd November 2025
89AQI
4th November 2025
71AQI
5th November 2025
43AQI
6th November 2025
61AQI
7th November 2025
60AQI
8th November 2025
66AQI
9th November 2025
69AQI
10th November 2025
52AQI
11th November 2025
52AQI
12th November 2025
65AQI
13th November 2025
58AQI
14th November 2025
51AQI
15th November 2025
70AQI
16th November 2025
69AQI
17th November 2025
72AQI
18th November 2025
79AQI
19th November 2025
54AQI
20th November 2025
57AQI
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

87AQI

73AQI

64AQI

73AQI

58AQI

42AQI

51AQI

46AQI

42AQI

67AQI

65AQI

No. of days

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

202561AQI

22
9
2
24
2
5
26
26
4
9
22
25
5
13
18
23
8
27
3
1
29
1
1
19
106
202
16

Highest AQI recorded in

January

87AQI

Lowest AQI recorded in

September

42AQI

202460AQI

2
20
9
3
26
2
26
3
11
19
12
19
28
1
29
2
23
8
19
11
2
29
7
23
20
11
138
204
23

Highest AQI recorded in

December

93AQI

Lowest AQI recorded in

July

31AQI

202360AQI

2
28
1
3
23
2
4
24
3
2
28
6
23
2
25
5
26
5
26
5
23
7
7
24
4
25
4
24
3
132
221
11

Highest AQI recorded in

December

77AQI

Lowest AQI recorded in

July

40AQI

202259AQI

5
21
5
9
11
1
9
17
5
6
24
18
13
30
24
1
1
4
18
6
6
25
10
20
9
20
2
130
170
20

Highest AQI recorded in

August

123AQI

Lowest AQI recorded in

June

35AQI

202160AQI

23
7
1
2
26
3
26
2
4
25
1
22
9
23
6
1
25
6
24
7
17
13
11
20
3
27
2
22
7
136
210
18
1

Highest AQI recorded in

January

89AQI

Lowest AQI recorded in

July

42AQI

202054AQI

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

Highest AQI recorded in

December

85AQI

Lowest AQI recorded in

July

27AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
61AQI
Least Polluted Year Recorded
2020(Avg.)
54AQI

Hong Kong Island's annual 2025 AQI (61) shows an average percentage change of 3.3% (worsened AQI) compared to previous years: 2020 (54), 2021 (60), 2022 (59), 2023 (60), 2024 (60).