Tsuen Wan, 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+
March Air Quality Analysis
Tsuen Wan, Hong Kong, China
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
2nd Mar 2023
120AQILowest AQI recorded on
4th Mar 2026
22AQISame Day Analysis (4th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 22 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Mar - 4th Mar 2026
Tsuen Wan, Hong Kong, China
AQI
Day
Night
.
6 AM3rd Mar 2026
6 PM
5 AM4th Mar 2026
Day time
Avg. Highest Time
6PM3rd Mar
52AQI
Avg. Lowest Time
7AM3rd Mar
22AQI
Night time
Avg. Highest Time
7PM3rd Mar
50AQI
Avg. Lowest Time
4AM4th Mar
12AQI
In the last 24 hours,
Tsuen Wan's AQI reached its highest point of 52 at 6 PM during the Day, while the lowest point, 12, was recorded at 4 AM during the Night between 3rd Mar and 4th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Tsuen Wan, Hong Kong, China
FebMar
03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 01st01st - 02nd02nd - 03rd03rd - 04th04th
Day
Night
3rd Feb 2026526 AMAQI
3rd Feb 2026587 AMAQI
3rd Feb 2026598 AMAQI
3rd Feb 2026639 AMAQI
3rd Feb 20266310 AMAQI
3rd Feb 20265911 AMAQI
3rd Feb 20265712 PMAQI
3rd Feb 2026611 PMAQI
3rd Feb 2026662 PMAQI
3rd Feb 2026693 PMAQI
3rd Feb 2026804 PMAQI
3rd Feb 2026805 PMAQI
3rd Feb 2026806 PMAQI
3rd Feb 2026807 PMAQI
3rd Feb 2026868 PMAQI
3rd Feb 2026929 PMAQI
3rd Feb 20268810 PMAQI
3rd Feb 20268411 PMAQI
4th Feb 20268412 AMAQI
4th Feb 2026811 AMAQI
4th Feb 2026762 AMAQI
4th Feb 2026773 AMAQI
4th Feb 2026794 AMAQI
4th Feb 2026825 AMAQI
17°C16/18°C
4th Feb 2026866 AMAQI
4th Feb 2026847 AMAQI
4th Feb 2026868 AMAQI
4th Feb 2026859 AMAQI
4th Feb 20268010 AMAQI
4th Feb 20268311 AMAQI
4th Feb 20268012 PMAQI
4th Feb 2026821 PMAQI
4th Feb 2026852 PMAQI
4th Feb 2026833 PMAQI
4th Feb 2026824 PMAQI
4th Feb 2026785 PMAQI
4th Feb 2026836 PMAQI
4th Feb 2026767 PMAQI
4th Feb 2026848 PMAQI
4th Feb 2026869 PMAQI
4th Feb 20268810 PMAQI
4th Feb 20269011 PMAQI
5th Feb 20269012 AMAQI
5th Feb 2026911 AMAQI
5th Feb 2026872 AMAQI
5th Feb 2026843 AMAQI
5th Feb 2026794 AMAQI
5th Feb 2026685 AMAQI
18°C17/19°C
5th Feb 2026616 AMAQI
5th Feb 2026527 AMAQI
5th Feb 2026548 AMAQI
5th Feb 2026529 AMAQI
5th Feb 20265610 AMAQI
5th Feb 20266611 AMAQI
5th Feb 20267612 PMAQI
5th Feb 2026761 PMAQI
5th Feb 2026782 PMAQI
5th Feb 2026843 PMAQI
5th Feb 2026744 PMAQI
5th Feb 2026665 PMAQI
5th Feb 2026666 PMAQI
5th Feb 2026707 PMAQI
5th Feb 2026708 PMAQI
5th Feb 2026779 PMAQI
5th Feb 20268210 PMAQI
5th Feb 20267611 PMAQI
6th Feb 20266712 AMAQI
6th Feb 2026541 AMAQI
6th Feb 2026462 AMAQI
6th Feb 2026423 AMAQI
6th Feb 2026384 AMAQI
6th Feb 2026385 AMAQI
20°C18/21°C
6th Feb 2026366 AMAQI
6th Feb 2026307 AMAQI
6th Feb 2026288 AMAQI
6th Feb 2026329 AMAQI
6th Feb 20264610 AMAQI
6th Feb 20265811 AMAQI
6th Feb 20266812 PMAQI
6th Feb 2026671 PMAQI
6th Feb 2026642 PMAQI
6th Feb 2026613 PMAQI
6th Feb 2026654 PMAQI
6th Feb 2026625 PMAQI
6th Feb 2026646 PMAQI
6th Feb 2026667 PMAQI
6th Feb 2026688 PMAQI
6th Feb 2026729 PMAQI
6th Feb 20267210 PMAQI
6th Feb 20266211 PMAQI
7th Feb 20266212 AMAQI
7th Feb 2026551 AMAQI
7th Feb 2026652 AMAQI
7th Feb 2026623 AMAQI
7th Feb 2026404 AMAQI
7th Feb 2026415 AMAQI
21°C19/23°C
7th Feb 2026516 AMAQI
7th Feb 2026567 AMAQI
7th Feb 2026628 AMAQI
7th Feb 2026659 AMAQI
7th Feb 20266910 AMAQI
7th Feb 20267711 AMAQI
7th Feb 20267812 PMAQI
7th Feb 2026781 PMAQI
7th Feb 2026792 PMAQI
7th Feb 2026823 PMAQI
7th Feb 2026794 PMAQI
7th Feb 2026765 PMAQI
7th Feb 2026746 PMAQI
7th Feb 2026647 PMAQI
7th Feb 2026608 PMAQI
7th Feb 2026569 PMAQI
7th Feb 20265410 PMAQI
7th Feb 20265811 PMAQI
8th Feb 20265612 AMAQI
8th Feb 2026541 AMAQI
8th Feb 2026542 AMAQI
8th Feb 2026503 AMAQI
8th Feb 2026474 AMAQI
8th Feb 2026455 AMAQI
19°C18/20°C
8th Feb 2026436 AMAQI
8th Feb 2026347 AMAQI
8th Feb 2026368 AMAQI
8th Feb 2026389 AMAQI
8th Feb 20264410 AMAQI
8th Feb 20264611 AMAQI
8th Feb 20264812 PMAQI
8th Feb 2026541 PMAQI
8th Feb 2026502 PMAQI
8th Feb 2026543 PMAQI
8th Feb 2026544 PMAQI
8th Feb 2026605 PMAQI
8th Feb 2026606 PMAQI
8th Feb 2026567 PMAQI
8th Feb 2026568 PMAQI
8th Feb 2026579 PMAQI
8th Feb 20265810 PMAQI
8th Feb 20265211 PMAQI
9th Feb 20265412 AMAQI
9th Feb 2026581 AMAQI
9th Feb 2026622 AMAQI
9th Feb 2026523 AMAQI
9th Feb 2026544 AMAQI
9th Feb 2026565 AMAQI
16°C14/18°C
9th Feb 2026586 AMAQI
9th Feb 2026597 AMAQI
9th Feb 2026608 AMAQI
9th Feb 2026619 AMAQI
9th Feb 20266210 AMAQI
9th Feb 20265211 AMAQI
9th Feb 20265212 PMAQI
9th Feb 2026561 PMAQI
9th Feb 2026692 PMAQI
9th Feb 2026693 PMAQI
9th Feb 2026684 PMAQI
9th Feb 2026675 PMAQI
9th Feb 2026766 PMAQI
9th Feb 2026727 PMAQI
9th Feb 2026658 PMAQI
9th Feb 2026619 PMAQI
9th Feb 20266010 PMAQI
9th Feb 20265611 PMAQI
10th Feb 20266512 AMAQI
10th Feb 2026661 AMAQI
10th Feb 2026582 AMAQI
10th Feb 2026523 AMAQI
10th Feb 2026434 AMAQI
10th Feb 2026505 AMAQI
16°C15/16°C
10th Feb 2026526 AMAQI
10th Feb 2026557 AMAQI
10th Feb 2026558 AMAQI
10th Feb 2026549 AMAQI
10th Feb 20265410 AMAQI
10th Feb 20266011 AMAQI
10th Feb 20266212 PMAQI
10th Feb 2026581 PMAQI
10th Feb 2026552 PMAQI
10th Feb 2026543 PMAQI
10th Feb 2026494 PMAQI
10th Feb 2026705 PMAQI
10th Feb 2026686 PMAQI
10th Feb 2026627 PMAQI
10th Feb 2026648 PMAQI
10th Feb 2026629 PMAQI
10th Feb 20267110 PMAQI
10th Feb 20265511 PMAQI
11th Feb 20265212 AMAQI
11th Feb 2026431 AMAQI
11th Feb 2026362 AMAQI
11th Feb 2026283 AMAQI
11th Feb 2026284 AMAQI
11th Feb 2026265 AMAQI
18°C16/20°C
11th Feb 2026326 AMAQI
11th Feb 2026297 AMAQI
11th Feb 2026328 AMAQI
11th Feb 2026449 AMAQI
11th Feb 20265010 AMAQI
11th Feb 20265611 AMAQI
11th Feb 20265912 PMAQI
11th Feb 2026471 PMAQI
11th Feb 2026502 PMAQI
11th Feb 2026503 PMAQI
11th Feb 2026524 PMAQI
11th Feb 2026525 PMAQI
11th Feb 2026636 PMAQI
11th Feb 2026747 PMAQI
11th Feb 2026828 PMAQI
11th Feb 2026769 PMAQI
11th Feb 20267610 PMAQI
11th Feb 20268011 PMAQI
12th Feb 20267812 AMAQI
12th Feb 2026691 AMAQI
12th Feb 2026742 AMAQI
12th Feb 2026643 AMAQI
12th Feb 2026624 AMAQI
12th Feb 2026585 AMAQI
20°C17/22°C
12th Feb 2026526 AMAQI
12th Feb 2026507 AMAQI
12th Feb 2026568 AMAQI
12th Feb 2026609 AMAQI
12th Feb 20266110 AMAQI
12th Feb 20266411 AMAQI
12th Feb 20266812 PMAQI
12th Feb 2026711 PMAQI
12th Feb 2026742 PMAQI
12th Feb 2026783 PMAQI
12th Feb 2026744 PMAQI
12th Feb 2026825 PMAQI
12th Feb 2026816 PMAQI
12th Feb 2026717 PMAQI
12th Feb 2026688 PMAQI
12th Feb 2026669 PMAQI
12th Feb 20266810 PMAQI
12th Feb 20267411 PMAQI
13th Feb 20268212 AMAQI
13th Feb 2026821 AMAQI
13th Feb 2026762 AMAQI
13th Feb 2026743 AMAQI
13th Feb 2026744 AMAQI
13th Feb 2026665 AMAQI
18°C18/19°C
13th Feb 2026646 AMAQI
13th Feb 2026647 AMAQI
13th Feb 2026638 AMAQI
13th Feb 2026649 AMAQI
13th Feb 20266410 AMAQI
13th Feb 20266611 AMAQI
13th Feb 20267212 PMAQI
13th Feb 2026781 PMAQI
13th Feb 2026822 PMAQI
13th Feb 2026823 PMAQI
13th Feb 2026884 PMAQI
13th Feb 2026945 PMAQI
13th Feb 2026826 PMAQI
13th Feb 2026757 PMAQI
13th Feb 2026728 PMAQI
13th Feb 2026739 PMAQI
13th Feb 20268410 PMAQI
13th Feb 20268611 PMAQI
14th Feb 20268112 AMAQI
14th Feb 2026791 AMAQI
14th Feb 2026872 AMAQI
14th Feb 2026813 AMAQI
14th Feb 2026724 AMAQI
14th Feb 2026685 AMAQI
19°C18/21°C
14th Feb 2026656 AMAQI
14th Feb 2026407 AMAQI
14th Feb 2026458 AMAQI
14th Feb 2026449 AMAQI
14th Feb 20264110 AMAQI
14th Feb 20265711 AMAQI
14th Feb 20267312 PMAQI
14th Feb 2026671 PMAQI
14th Feb 2026592 PMAQI
14th Feb 2026523 PMAQI
14th Feb 2026544 PMAQI
14th Feb 2026425 PMAQI
14th Feb 2026426 PMAQI
14th Feb 2026447 PMAQI
14th Feb 2026468 PMAQI
14th Feb 2026549 PMAQI
14th Feb 20265110 PMAQI
14th Feb 20265111 PMAQI
15th Feb 20263812 AMAQI
15th Feb 2026381 AMAQI
15th Feb 2026372 AMAQI
15th Feb 2026283 AMAQI
15th Feb 2026204 AMAQI
15th Feb 2026185 AMAQI
20°C18/22°C
15th Feb 2026216 AMAQI
15th Feb 2026207 AMAQI
15th Feb 2026288 AMAQI
15th Feb 2026329 AMAQI
15th Feb 20264010 AMAQI
15th Feb 20264211 AMAQI
15th Feb 20264212 PMAQI
15th Feb 2026411 PMAQI
15th Feb 2026362 PMAQI
15th Feb 2026363 PMAQI
15th Feb 2026344 PMAQI
15th Feb 2026345 PMAQI
15th Feb 2026346 PMAQI
15th Feb 2026327 PMAQI
15th Feb 2026328 PMAQI
15th Feb 2026389 PMAQI
15th Feb 20263810 PMAQI
15th Feb 20263411 PMAQI
16th Feb 20264012 AMAQI
16th Feb 2026461 AMAQI
16th Feb 2026452 AMAQI
16th Feb 2026453 AMAQI
16th Feb 2026434 AMAQI
16th Feb 2026395 AMAQI
21°C20/23°C
16th Feb 2026366 AMAQI
16th Feb 2026347 AMAQI
16th Feb 2026388 AMAQI
16th Feb 2026419 AMAQI
16th Feb 20263710 AMAQI
16th Feb 20264111 AMAQI
16th Feb 20263912 PMAQI
16th Feb 2026361 PMAQI
16th Feb 2026422 PMAQI
16th Feb 2026493 PMAQI
16th Feb 2026384 PMAQI
16th Feb 2026355 PMAQI
16th Feb 2026416 PMAQI
16th Feb 2026447 PMAQI
16th Feb 2026438 PMAQI
16th Feb 2026479 PMAQI
16th Feb 20265310 PMAQI
16th Feb 20264811 PMAQI
17th Feb 20264412 AMAQI
17th Feb 2026721 AMAQI
17th Feb 2026682 AMAQI
17th Feb 2026583 AMAQI
17th Feb 2026564 AMAQI
17th Feb 2026645 AMAQI
22°C20/23°C
17th Feb 2026626 AMAQI
17th Feb 2026507 AMAQI
17th Feb 2026628 AMAQI
17th Feb 2026779 AMAQI
17th Feb 20266610 AMAQI
17th Feb 20266011 AMAQI
17th Feb 20266012 PMAQI
17th Feb 2026581 PMAQI
17th Feb 2026562 PMAQI
17th Feb 2026623 PMAQI
17th Feb 2026514 PMAQI
17th Feb 2026525 PMAQI
17th Feb 2026946 PMAQI
17th Feb 2026957 PMAQI
17th Feb 2026888 PMAQI
17th Feb 2026889 PMAQI
17th Feb 20267810 PMAQI
17th Feb 20266911 PMAQI
18th Feb 20265912 AMAQI
18th Feb 2026681 AMAQI
18th Feb 2026662 AMAQI
18th Feb 2026633 AMAQI
18th Feb 2026554 AMAQI
18th Feb 2026545 AMAQI
19°C18/20°C
18th Feb 2026526 AMAQI
18th Feb 2026527 AMAQI
18th Feb 2026608 AMAQI
18th Feb 2026619 AMAQI
18th Feb 20266010 AMAQI
18th Feb 20266011 AMAQI
18th Feb 20266012 PMAQI
18th Feb 2026601 PMAQI
18th Feb 2026612 PMAQI
18th Feb 2026583 PMAQI
18th Feb 2026614 PMAQI
18th Feb 2026675 PMAQI
18th Feb 2026776 PMAQI
18th Feb 2026757 PMAQI
18th Feb 2026738 PMAQI
18th Feb 2026759 PMAQI
18th Feb 20267410 PMAQI
18th Feb 20267211 PMAQI
19th Feb 20266812 AMAQI
19th Feb 2026621 AMAQI
19th Feb 2026562 AMAQI
19th Feb 2026583 AMAQI
19th Feb 2026594 AMAQI
19th Feb 2026605 AMAQI
19°C18/20°C
19th Feb 2026616 AMAQI
19th Feb 2026667 AMAQI
19th Feb 2026668 AMAQI
19th Feb 2026709 AMAQI
19th Feb 20267310 AMAQI
19th Feb 20267311 AMAQI
19th Feb 20267212 PMAQI
19th Feb 2026801 PMAQI
19th Feb 2026842 PMAQI
19th Feb 2026803 PMAQI
19th Feb 2026804 PMAQI
19th Feb 2026775 PMAQI
19th Feb 2026716 PMAQI
19th Feb 2026727 PMAQI
19th Feb 2026668 PMAQI
19th Feb 2026649 PMAQI
19th Feb 20266510 PMAQI
19th Feb 20266711 PMAQI
20th Feb 20267112 AMAQI
20th Feb 2026621 AMAQI
20th Feb 2026622 AMAQI
20th Feb 2026623 AMAQI
20th Feb 2026624 AMAQI
20th Feb 2026625 AMAQI
18°C17/19°C
20th Feb 2026676 AMAQI
20th Feb 2026687 AMAQI
20th Feb 2026748 AMAQI
20th Feb 2026899 AMAQI
20th Feb 20269710 AMAQI
20th Feb 20269911 AMAQI
20th Feb 202610112 PMAQI
20th Feb 20261111 PMAQI
20th Feb 2026842 PMAQI
20th Feb 20261303 PMAQI
20th Feb 20261104 PMAQI
20th Feb 20261065 PMAQI
20th Feb 20261066 PMAQI
20th Feb 20261047 PMAQI
20th Feb 20261078 PMAQI
20th Feb 20261089 PMAQI
20th Feb 202611210 PMAQI
20th Feb 202610811 PMAQI
21st Feb 202610312 AMAQI
21st Feb 2026961 AMAQI
21st Feb 2026972 AMAQI
21st Feb 2026923 AMAQI
21st Feb 2026824 AMAQI
21st Feb 2026825 AMAQI
20°C18/22°C
21st Feb 2026846 AMAQI
21st Feb 2026807 AMAQI
21st Feb 2026888 AMAQI
21st Feb 2026869 AMAQI
21st Feb 20268610 AMAQI
21st Feb 20269411 AMAQI
21st Feb 20268812 PMAQI
21st Feb 2026941 PMAQI
21st Feb 2026902 PMAQI
21st Feb 2026853 PMAQI
21st Feb 2026844 PMAQI
21st Feb 2026845 PMAQI
21st Feb 2026806 PMAQI
21st Feb 2026787 PMAQI
21st Feb 2026788 PMAQI
21st Feb 2026849 PMAQI
21st Feb 20268210 PMAQI
21st Feb 20267811 PMAQI
22nd Feb 20267312 AMAQI
22nd Feb 2026721 AMAQI
22nd Feb 2026712 AMAQI
22nd Feb 2026703 AMAQI
22nd Feb 2026664 AMAQI
22nd Feb 2026705 AMAQI
20°C19/21°C
22nd Feb 2026706 AMAQI
22nd Feb 2026707 AMAQI
22nd Feb 2026688 AMAQI
22nd Feb 2026709 AMAQI
22nd Feb 20267410 AMAQI
22nd Feb 20267011 AMAQI
22nd Feb 20267012 PMAQI
22nd Feb 2026741 PMAQI
22nd Feb 2026682 PMAQI
22nd Feb 2026673 PMAQI
22nd Feb 2026674 PMAQI
22nd Feb 2026645 PMAQI
22nd Feb 2026576 PMAQI
22nd Feb 2026667 PMAQI
22nd Feb 2026668 PMAQI
22nd Feb 2026729 PMAQI
22nd Feb 20268210 PMAQI
22nd Feb 20268411 PMAQI
23rd Feb 20268612 AMAQI
23rd Feb 2026881 AMAQI
23rd Feb 2026882 AMAQI
23rd Feb 2026773 AMAQI
23rd Feb 2026664 AMAQI
23rd Feb 2026705 AMAQI
21°C19/23°C
23rd Feb 2026896 AMAQI
23rd Feb 2026907 AMAQI
23rd Feb 20261028 AMAQI
23rd Feb 2026929 AMAQI
23rd Feb 20269110 AMAQI
23rd Feb 20268411 AMAQI
23rd Feb 20268012 PMAQI
23rd Feb 2026761 PMAQI
23rd Feb 2026782 PMAQI
23rd Feb 2026753 PMAQI
23rd Feb 2026804 PMAQI
23rd Feb 2026735 PMAQI
23rd Feb 2026816 PMAQI
23rd Feb 2026837 PMAQI
23rd Feb 2026688 PMAQI
23rd Feb 2026809 PMAQI
23rd Feb 20268210 PMAQI
23rd Feb 20267511 PMAQI
24th Feb 20266812 AMAQI
24th Feb 2026651 AMAQI
24th Feb 2026622 AMAQI
24th Feb 2026583 AMAQI
24th Feb 2026704 AMAQI
24th Feb 2026645 AMAQI
20°C20/21°C
24th Feb 2026446 AMAQI
24th Feb 2026447 AMAQI
24th Feb 2026528 AMAQI
24th Feb 2026689 AMAQI
24th Feb 20267410 AMAQI
24th Feb 20268011 AMAQI
24th Feb 20267212 PMAQI
24th Feb 2026721 PMAQI
24th Feb 2026702 PMAQI
24th Feb 2026723 PMAQI
24th Feb 2026794 PMAQI
24th Feb 2026805 PMAQI
24th Feb 2026786 PMAQI
24th Feb 2026757 PMAQI
24th Feb 2026748 PMAQI
24th Feb 2026759 PMAQI
24th Feb 20268210 PMAQI
24th Feb 20268711 PMAQI
25th Feb 20268212 AMAQI
25th Feb 2026721 AMAQI
25th Feb 2026692 AMAQI
25th Feb 2026623 AMAQI
25th Feb 2026524 AMAQI
25th Feb 2026485 AMAQI
21°C20/22°C
25th Feb 2026516 AMAQI
25th Feb 2026527 AMAQI
25th Feb 2026508 AMAQI
25th Feb 2026549 AMAQI
25th Feb 20266110 AMAQI
25th Feb 20267611 AMAQI
25th Feb 20269012 PMAQI
25th Feb 2026861 PMAQI
25th Feb 2026822 PMAQI
25th Feb 2026843 PMAQI
25th Feb 2026884 PMAQI
25th Feb 2026965 PMAQI
25th Feb 2026746 PMAQI
25th Feb 2026687 PMAQI
25th Feb 2026588 PMAQI
25th Feb 2026499 PMAQI
25th Feb 20264010 PMAQI
25th Feb 20262511 PMAQI
26th Feb 20262212 AMAQI
26th Feb 2026211 AMAQI
26th Feb 2026232 AMAQI
26th Feb 2026303 AMAQI
26th Feb 2026244 AMAQI
26th Feb 2026265 AMAQI
21°C20/23°C
26th Feb 2026326 AMAQI
26th Feb 2026257 AMAQI
26th Feb 2026238 AMAQI
26th Feb 2026259 AMAQI
26th Feb 20262610 AMAQI
26th Feb 20263811 AMAQI
26th Feb 20263812 PMAQI
26th Feb 2026401 PMAQI
26th Feb 2026402 PMAQI
26th Feb 2026443 PMAQI
26th Feb 2026464 PMAQI
26th Feb 2026465 PMAQI
26th Feb 2026486 PMAQI
26th Feb 2026487 PMAQI
26th Feb 2026508 PMAQI
26th Feb 2026509 PMAQI
26th Feb 20264810 PMAQI
26th Feb 20265011 PMAQI
27th Feb 20264712 AMAQI
27th Feb 2026451 AMAQI
27th Feb 2026412 AMAQI
27th Feb 2026393 AMAQI
27th Feb 2026504 AMAQI
27th Feb 2026355 AMAQI
20°C20/21°C
27th Feb 2026346 AMAQI
27th Feb 2026307 AMAQI
27th Feb 2026268 AMAQI
27th Feb 2026269 AMAQI
27th Feb 20263210 AMAQI
27th Feb 20264611 AMAQI
27th Feb 20264612 PMAQI
27th Feb 2026601 PMAQI
27th Feb 2026712 PMAQI
27th Feb 2026763 PMAQI
27th Feb 2026704 PMAQI
27th Feb 2026835 PMAQI
27th Feb 2026846 PMAQI
27th Feb 2026897 PMAQI
27th Feb 2026938 PMAQI
27th Feb 2026799 PMAQI
27th Feb 20268810 PMAQI
27th Feb 20268311 PMAQI
28th Feb 20269112 AMAQI
28th Feb 2026981 AMAQI
28th Feb 2026962 AMAQI
28th Feb 2026953 AMAQI
28th Feb 2026884 AMAQI
28th Feb 2026715 AMAQI
22°C20/23°C
28th Feb 2026506 AMAQI
28th Feb 2026147 AMAQI
28th Feb 2026148 AMAQI
28th Feb 2026139 AMAQI
28th Feb 20261810 AMAQI
28th Feb 20261211 AMAQI
28th Feb 20261412 PMAQI
28th Feb 2026131 PMAQI
28th Feb 2026132 PMAQI
28th Feb 2026183 PMAQI
28th Feb 2026214 PMAQI
28th Feb 2026145 PMAQI
28th Feb 2026236 PMAQI
28th Feb 2026177 PMAQI
28th Feb 2026178 PMAQI
28th Feb 2026209 PMAQI
28th Feb 20261910 PMAQI
28th Feb 20261911 PMAQI
1st Mar 20261912 AMAQI
1st Mar 2026201 AMAQI
1st Mar 2026322 AMAQI
1st Mar 2026183 AMAQI
1st Mar 2026134 AMAQI
1st Mar 202685 AMAQI
20°C19/21°C
1st Mar 202686 AMAQI
1st Mar 202687 AMAQI
1st Mar 202688 AMAQI
1st Mar 202689 AMAQI
1st Mar 2026810 AMAQI
1st Mar 20261211 AMAQI
1st Mar 20261712 PMAQI
1st Mar 2026251 PMAQI
1st Mar 2026262 PMAQI
1st Mar 2026403 PMAQI
1st Mar 2026464 PMAQI
1st Mar 2026465 PMAQI
1st Mar 2026526 PMAQI
1st Mar 2026547 PMAQI
1st Mar 2026568 PMAQI
1st Mar 2026629 PMAQI
1st Mar 20266410 PMAQI
1st Mar 20266611 PMAQI
2nd Mar 20266212 AMAQI
2nd Mar 2026601 AMAQI
2nd Mar 2026602 AMAQI
2nd Mar 2026563 AMAQI
2nd Mar 2026544 AMAQI
2nd Mar 2026695 AMAQI
20°C19/21°C
2nd Mar 2026776 AMAQI
2nd Mar 2026767 AMAQI
2nd Mar 2026798 AMAQI
2nd Mar 2026849 AMAQI
2nd Mar 20268210 AMAQI
2nd Mar 20267111 AMAQI
2nd Mar 20266712 PMAQI
2nd Mar 2026621 PMAQI
2nd Mar 2026532 PMAQI
2nd Mar 2026573 PMAQI
2nd Mar 2026624 PMAQI
2nd Mar 2026625 PMAQI
2nd Mar 2026686 PMAQI
2nd Mar 2026647 PMAQI
2nd Mar 2026588 PMAQI
2nd Mar 2026609 PMAQI
2nd Mar 20266610 PMAQI
2nd Mar 20266211 PMAQI
3rd Mar 20266312 AMAQI
3rd Mar 2026621 AMAQI
3rd Mar 2026562 AMAQI
3rd Mar 2026413 AMAQI
3rd Mar 2026364 AMAQI
3rd Mar 2026425 AMAQI
22°C21/25°C
3rd Mar 2026346 AMAQI
3rd Mar 2026227 AMAQI
3rd Mar 2026248 AMAQI
3rd Mar 2026259 AMAQI
3rd Mar 20262510 AMAQI
3rd Mar 20263011 AMAQI
3rd Mar 20263012 PMAQI
3rd Mar 2026301 PMAQI
3rd Mar 2026302 PMAQI
3rd Mar 2026343 PMAQI
3rd Mar 2026434 PMAQI
3rd Mar 2026465 PMAQI
3rd Mar 2026526 PMAQI
3rd Mar 2026507 PMAQI
3rd Mar 2026438 PMAQI
3rd Mar 2026349 PMAQI
3rd Mar 20263210 PMAQI
3rd Mar 20262611 PMAQI
4th Mar 20262612 AMAQI
4th Mar 2026171 AMAQI
4th Mar 2026242 AMAQI
4th Mar 2026123 AMAQI
4th Mar 2026124 AMAQI
4th Mar 2026145 AMAQI
19°C18/21°C
4th Mar 2026146 AMAQI
6 AM4th Mar 2026137 AMAQI
4th Mar 2026108 AMAQI
4th Mar 2026129 AMAQI
4th Mar 20261110 AMAQI
4th Mar 20261611 AMAQI
4th Mar 20262012 PMAQI
12 PM4th Mar 2026161 PMAQI
4th Mar 2026142 PMAQI
4th Mar 2026203 PMAQI
4th Mar 2026224 PMAQI
4th Mar 2026255 PMAQI
4th Mar 2026366 PMAQI
6 PM4th Mar 2026487 PMAQI
4th Mar 2026418 PMAQI
4th Mar 2026309 PMAQI
4th Mar 20263110 PMAQI
4th Mar 20263411 PMAQI
12 AM
5 AM
18°C17/19°C
Day time
Avg. Highest Time
6 PM
67AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
7 AM
48AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 PM to 6 PM (Avg. 67), while the lowest AQI was between 7 AM to 7 AM (Avg. 48).
Night time
Avg. Highest Time
7 PM
66AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
4 AM - 5 AM
53AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 7 PM (Avg. 66), while the lowest AQI was between 4 AM to 5 AM (Avg. 53).
2026 Days Vs Air Quality
Tsuen Wan, Hong Kong, China
2026
16%
10
81%
51
3%
2
Total number of days with different AQI categories in last 64 days in 2026 (301 days remaining)
Good
10 DaysModerate
51 DaysPoor
2 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 16%
Health Risk Level:
Extreme
In 2026, 16% of 64 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
Tsuen Wan, Hong Kong, China
AQI levels in 2026
AQI (US)
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 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
67AQI (US)
67AQI (US)
2nd January 2026
61AQI (US)
61AQI (US)
3rd January 2026
53AQI (US)
53AQI (US)
4th January 2026
72AQI (US)
72AQI (US)
5th January 2026
76AQI (US)
76AQI (US)
6th January 2026
68AQI (US)
68AQI (US)
7th January 2026
80AQI (US)
80AQI (US)
8th January 2026
62AQI (US)
62AQI (US)
9th January 2026
66AQI (US)
66AQI (US)
10th January 2026
77AQI (US)
77AQI (US)
11th January 2026
59AQI (US)
59AQI (US)
12th January 2026
85AQI (US)
85AQI (US)
13th January 2026
124AQI (US)
124AQI (US)
14th January 2026
72AQI (US)
72AQI (US)
15th January 2026
79AQI (US)
79AQI (US)
16th January 2026
77AQI (US)
77AQI (US)
17th January 2026
73AQI (US)
73AQI (US)
18th January 2026
72AQI (US)
72AQI (US)
19th January 2026
85AQI (US)
85AQI (US)
20th January 2026
53AQI (US)
53AQI (US)
21st January 2026
86AQI (US)
86AQI (US)
22nd January 2026
78AQI (US)
78AQI (US)
23rd January 2026
89AQI (US)
89AQI (US)
24th January 2026
118AQI (US)
118AQI (US)
25th January 2026
63AQI (US)
63AQI (US)
26th January 2026
41AQI (US)
41AQI (US)
27th January 2026
80AQI (US)
80AQI (US)
28th January 2026
88AQI (US)
88AQI (US)
29th January 2026
73AQI (US)
73AQI (US)
30th January 2026
53AQI (US)
53AQI (US)
31st January 2026
53AQI (US)
53AQI (US)
1st February 2026
50AQI (US)
50AQI (US)
2nd February 2026
63AQI (US)
63AQI (US)
3rd February 2026
69AQI (US)
69AQI (US)
4th February 2026
83AQI (US)
83AQI (US)
5th February 2026
72AQI (US)
72AQI (US)
6th February 2026
54AQI (US)
54AQI (US)
7th February 2026
65AQI (US)
65AQI (US)
8th February 2026
50AQI (US)
50AQI (US)
9th February 2026
61AQI (US)
61AQI (US)
10th February 2026
58AQI (US)
58AQI (US)
11th February 2026
51AQI (US)
51AQI (US)
12th February 2026
67AQI (US)
67AQI (US)
13th February 2026
75AQI (US)
75AQI (US)
14th February 2026
58AQI (US)
58AQI (US)
15th February 2026
33AQI (US)
33AQI (US)
16th February 2026
42AQI (US)
42AQI (US)
17th February 2026
66AQI (US)
66AQI (US)
18th February 2026
63AQI (US)
63AQI (US)
19th February 2026
69AQI (US)
69AQI (US)
20th February 2026
90AQI (US)
90AQI (US)
21st February 2026
86AQI (US)
86AQI (US)
22nd February 2026
70AQI (US)
70AQI (US)
23rd February 2026
81AQI (US)
81AQI (US)
24th February 2026
69AQI (US)
69AQI (US)
25th February 2026
65AQI (US)
65AQI (US)
26th February 2026
36AQI (US)
36AQI (US)
27th February 2026
57AQI (US)
57AQI (US)
28th February 2026
36AQI (US)
36AQI (US)
1st March 2026
30AQI (US)
30AQI (US)
2nd March 2026
66AQI (US)
66AQI (US)
3rd March 2026
38AQI (US)
38AQI (US)
4th March 2026
22AQI (US)
22AQI (US)
5th March 2026
6th March 2026
7th March 2026
8th March 2026
9th March 2026
10th March 2026
11th March 2026
12th March 2026
13th March 2026
14th March 2026
15th March 2026
16th March 2026
17th March 2026
18th March 2026
19th March 2026
20th March 2026
21st March 2026
22nd March 2026
23rd March 2026
24th March 2026
25th March 2026
26th March 2026
27th March 2026
28th March 2026
29th March 2026
30th March 2026
31st March 2026
1st April 2026
2nd April 2026
3rd April 2026
4th April 2026
5th April 2026
6th April 2026
7th April 2026
8th April 2026
9th April 2026
10th April 2026
11th April 2026
12th April 2026
13th April 2026
14th April 2026
15th April 2026
16th April 2026
17th April 2026
18th April 2026
19th April 2026
20th April 2026
21st April 2026
22nd April 2026
23rd April 2026
24th April 2026
25th April 2026
26th April 2026
27th April 2026
28th April 2026
29th April 2026
30th April 2026
1st May 2026
2nd May 2026
3rd May 2026
4th May 2026
5th May 2026
6th May 2026
7th May 2026
8th May 2026
9th May 2026
10th May 2026
11th May 2026
12th May 2026
13th May 2026
14th May 2026
15th May 2026
16th May 2026
17th May 2026
18th May 2026
19th May 2026
20th May 2026
21st May 2026
22nd May 2026
23rd May 2026
24th May 2026
25th May 2026
26th May 2026
27th May 2026
28th May 2026
29th May 2026
30th May 2026
31st May 2026
1st June 2026
2nd June 2026
3rd June 2026
4th June 2026
5th June 2026
6th June 2026
7th June 2026
8th June 2026
9th June 2026
10th June 2026
11th June 2026
12th June 2026
13th June 2026
14th June 2026
15th June 2026
16th June 2026
17th June 2026
18th June 2026
19th June 2026
20th June 2026
21st June 2026
22nd June 2026
23rd June 2026
24th June 2026
25th June 2026
26th June 2026
27th June 2026
28th June 2026
29th June 2026
30th June 2026
1st July 2026
2nd July 2026
3rd July 2026
4th July 2026
5th July 2026
6th July 2026
7th July 2026
8th July 2026
9th July 2026
10th July 2026
11th July 2026
12th July 2026
13th July 2026
14th July 2026
15th July 2026
16th July 2026
17th July 2026
18th July 2026
19th July 2026
20th July 2026
21st July 2026
22nd July 2026
23rd July 2026
24th July 2026
25th July 2026
26th July 2026
27th July 2026
28th July 2026
29th July 2026
30th July 2026
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026
74AQI (US)
62AQI (US)
39AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202666AQI (US)
1
28
2
6
22
3
1
10
51
2
Highest AQI (US) recorded in
January74AQI (US)
Lowest AQI (US) recorded in
March39AQI (US)
202562AQI (US)
26
5
2
24
2
6
25
27
3
10
21
25
5
18
13
15
16
27
3
6
25
5
24
1
1
26
4
115
235
15
Highest AQI (US) recorded in
January84AQI (US)
Lowest AQI (US) recorded in
June41AQI (US)
202458AQI (US)
4
21
6
5
24
2
29
10
20
12
19
28
1
29
2
22
9
17
13
4
27
7
23
23
8
140
211
14
Highest AQI (US) recorded in
December90AQI (US)
Lowest AQI (US) recorded in
July30AQI (US)
202358AQI (US)
5
25
1
4
22
2
5
24
2
3
27
8
22
1
26
4
25
6
23
8
22
8
7
24
6
23
5
23
3
139
216
9
Highest AQI (US) recorded in
December75AQI (US)
Lowest AQI (US) recorded in
July41AQI (US)
202257AQI (US)
6
22
3
10
10
1
16
13
2
7
23
19
12
30
21
1
1
3
20
6
4
27
9
21
7
22
2
132
171
15
Highest AQI (US) recorded in
August112AQI (US)
Lowest AQI (US) recorded in
July33AQI (US)
202158AQI (US)
23
7
1
4
24
4
26
1
7
22
1
23
8
25
4
1
24
7
24
7
16
14
13
18
4
25
1
3
22
6
147
200
17
1
Highest AQI (US) recorded in
January86AQI (US)
Lowest AQI (US) recorded in
July40AQI (US)
202051AQI (US)
3
10
9
12
13
5
30
31
23
8
17
11
2
2
29
5
23
2
24
7
133
122
11
Highest AQI (US) recorded in
December84AQI (US)
Lowest AQI (US) recorded in
July24AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2026(Avg.)
66AQI (US)Least Polluted Year Recorded
2020(Avg.)
51AQI (US)Tsuen Wan's annual 2026 AQI (US) (66) shows an average percentage change of 15.7% (worsened AQI (US)) compared to previous years: 2020 (51), 2021 (58), 2022 (57), 2023 (58), 2024 (58), 2025 (62).
