Chuen Lung, 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+
August Air Quality Analysis
Chuen Lung, Tsuen Wan, Hong Kong, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
31st Aug 2022
129AQILowest AQI recorded on
22nd Aug 2021
26AQISame Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 55 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
Chuen Lung, Tsuen Wan, 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
10PM2nd Aug
58AQI
Avg. Lowest Time
4PM2nd Aug
38AQI
In the last 24 hours,
Chuen Lung's AQI reached its highest point of 58 at 10 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
Chuen Lung, Tsuen Wan, 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 2025375 AMAQI
4th Jul 2025386 AMAQI
4th Jul 2025397 AMAQI
4th Jul 2025538 AMAQI
4th Jul 2025559 AMAQI
4th Jul 20255410 AMAQI
4th Jul 20255611 AMAQI
4th Jul 20255012 PMAQI
4th Jul 2025511 PMAQI
4th Jul 2025502 PMAQI
4th Jul 2025503 PMAQI
4th Jul 2025534 PMAQI
4th Jul 2025545 PMAQI
4th Jul 2025536 PMAQI
4th Jul 2025567 PMAQI
4th Jul 2025458 PMAQI
4th Jul 2025459 PMAQI
4th Jul 20254210 PMAQI
4th Jul 20254411 PMAQI
5th Jul 20254012 AMAQI
5th Jul 2025391 AMAQI
5th Jul 2025362 AMAQI
5th Jul 2025363 AMAQI
5th Jul 2025384 AMAQI
29°C28/30°C
5th Jul 2025385 AMAQI
5th Jul 2025376 AMAQI
5th Jul 2025377 AMAQI
5th Jul 2025488 AMAQI
5th Jul 2025529 AMAQI
5th Jul 20255510 AMAQI
5th Jul 20255411 AMAQI
5th Jul 20255612 PMAQI
5th Jul 2025621 PMAQI
5th Jul 2025622 PMAQI
5th Jul 2025623 PMAQI
5th Jul 2025684 PMAQI
5th Jul 2025685 PMAQI
5th Jul 2025616 PMAQI
5th Jul 2025527 PMAQI
5th Jul 2025428 PMAQI
5th Jul 2025409 PMAQI
5th Jul 20254010 PMAQI
5th Jul 20253711 PMAQI
6th Jul 20254212 AMAQI
6th Jul 2025411 AMAQI
6th Jul 2025402 AMAQI
6th Jul 2025413 AMAQI
6th Jul 2025454 AMAQI
29°C28/31°C
6th Jul 2025465 AMAQI
6th Jul 2025456 AMAQI
6th Jul 2025457 AMAQI
6th Jul 2025418 AMAQI
6th Jul 2025449 AMAQI
6th Jul 20255110 AMAQI
6th Jul 20255211 AMAQI
6th Jul 20255312 PMAQI
6th Jul 2025541 PMAQI
6th Jul 2025612 PMAQI
6th Jul 2025613 PMAQI
6th Jul 2025664 PMAQI
6th Jul 2025625 PMAQI
6th Jul 2025656 PMAQI
6th Jul 2025577 PMAQI
6th Jul 2025498 PMAQI
6th Jul 2025459 PMAQI
6th Jul 20254210 PMAQI
6th Jul 20254211 PMAQI
7th Jul 20254212 AMAQI
7th Jul 2025421 AMAQI
7th Jul 2025422 AMAQI
7th Jul 2025433 AMAQI
7th Jul 2025444 AMAQI
29°C28/31°C
7th Jul 2025445 AMAQI
7th Jul 2025446 AMAQI
7th Jul 2025447 AMAQI
7th Jul 2025658 AMAQI
7th Jul 2025629 AMAQI
7th Jul 20257210 AMAQI
7th Jul 20258011 AMAQI
7th Jul 20256312 PMAQI
7th Jul 2025641 PMAQI
7th Jul 2025722 PMAQI
7th Jul 2025713 PMAQI
7th Jul 2025684 PMAQI
7th Jul 2025625 PMAQI
7th Jul 2025626 PMAQI
7th Jul 2025607 PMAQI
7th Jul 2025538 PMAQI
7th Jul 2025529 PMAQI
7th Jul 20254510 PMAQI
7th Jul 20254411 PMAQI
8th Jul 20254412 AMAQI
8th Jul 2025431 AMAQI
8th Jul 2025442 AMAQI
8th Jul 2025433 AMAQI
8th Jul 2025474 AMAQI
30°C29/31°C
8th Jul 2025465 AMAQI
8th Jul 2025476 AMAQI
8th Jul 2025477 AMAQI
8th Jul 2025348 AMAQI
8th Jul 2025309 AMAQI
8th Jul 20252610 AMAQI
8th Jul 20253411 AMAQI
8th Jul 20253912 PMAQI
8th Jul 2025381 PMAQI
8th Jul 2025322 PMAQI
8th Jul 2025363 PMAQI
8th Jul 2025384 PMAQI
8th Jul 2025425 PMAQI
8th Jul 2025426 PMAQI
8th Jul 2025407 PMAQI
8th Jul 2025448 PMAQI
8th Jul 2025429 PMAQI
8th Jul 20254210 PMAQI
8th Jul 20254211 PMAQI
9th Jul 20254212 AMAQI
9th Jul 2025471 AMAQI
9th Jul 2025462 AMAQI
9th Jul 2025483 AMAQI
9th Jul 2025444 AMAQI
29°C29/30°C
9th Jul 2025455 AMAQI
9th Jul 2025446 AMAQI
9th Jul 2025457 AMAQI
9th Jul 2025448 AMAQI
9th Jul 2025429 AMAQI
9th Jul 20254610 AMAQI
9th Jul 20255411 AMAQI
9th Jul 20254912 PMAQI
9th Jul 2025461 PMAQI
9th Jul 2025502 PMAQI
9th Jul 2025543 PMAQI
9th Jul 2025564 PMAQI
9th Jul 2025535 PMAQI
9th Jul 2025506 PMAQI
9th Jul 2025527 PMAQI
9th Jul 2025528 PMAQI
9th Jul 2025529 PMAQI
9th Jul 20254910 PMAQI
9th Jul 20254711 PMAQI
10th Jul 20254812 AMAQI
10th Jul 2025451 AMAQI
10th Jul 2025452 AMAQI
10th Jul 2025463 AMAQI
10th Jul 2025484 AMAQI
30°C28/31°C
10th Jul 2025465 AMAQI
10th Jul 2025476 AMAQI
10th Jul 2025467 AMAQI
10th Jul 2025348 AMAQI
10th Jul 2025429 AMAQI
10th Jul 20255010 AMAQI
10th Jul 20255711 AMAQI
10th Jul 20255212 PMAQI
10th Jul 2025541 PMAQI
10th Jul 2025542 PMAQI
10th Jul 2025563 PMAQI
10th Jul 2025604 PMAQI
10th Jul 2025605 PMAQI
10th Jul 2025526 PMAQI
10th Jul 2025487 PMAQI
10th Jul 2025458 PMAQI
10th Jul 2025489 PMAQI
10th Jul 20254710 PMAQI
10th Jul 20254611 PMAQI
11th Jul 20254612 AMAQI
11th Jul 2025481 AMAQI
11th Jul 2025482 AMAQI
11th Jul 2025453 AMAQI
11th Jul 2025484 AMAQI
28°C27/29°C
11th Jul 2025495 AMAQI
11th Jul 2025516 AMAQI
11th Jul 2025517 AMAQI
11th Jul 2025468 AMAQI
11th Jul 2025509 AMAQI
11th Jul 20254810 AMAQI
11th Jul 20255311 AMAQI
11th Jul 20255112 PMAQI
11th Jul 2025571 PMAQI
11th Jul 2025572 PMAQI
11th Jul 2025533 PMAQI
11th Jul 2025514 PMAQI
11th Jul 2025525 PMAQI
11th Jul 2025506 PMAQI
11th Jul 2025547 PMAQI
11th Jul 2025528 PMAQI
11th Jul 2025519 PMAQI
11th Jul 20255210 PMAQI
11th Jul 20255211 PMAQI
12th Jul 20255112 AMAQI
12th Jul 2025501 AMAQI
12th Jul 2025492 AMAQI
12th Jul 2025483 AMAQI
12th Jul 2025494 AMAQI
27°C27/28°C
12th Jul 2025505 AMAQI
12th Jul 2025486 AMAQI
12th Jul 2025497 AMAQI
12th Jul 2025398 AMAQI
12th Jul 2025489 AMAQI
12th Jul 20255210 AMAQI
12th Jul 20255611 AMAQI
12th Jul 20255012 PMAQI
12th Jul 2025501 PMAQI
12th Jul 2025532 PMAQI
12th Jul 2025523 PMAQI
12th Jul 2025544 PMAQI
12th Jul 2025535 PMAQI
12th Jul 2025496 PMAQI
12th Jul 2025517 PMAQI
12th Jul 2025478 PMAQI
12th Jul 2025489 PMAQI
12th Jul 20255010 PMAQI
12th Jul 20255211 PMAQI
13th Jul 20255112 AMAQI
13th Jul 2025511 AMAQI
13th Jul 2025522 AMAQI
13th Jul 2025513 AMAQI
13th Jul 2025514 AMAQI
29°C28/30°C
13th Jul 2025525 AMAQI
13th Jul 2025526 AMAQI
13th Jul 2025527 AMAQI
13th Jul 2025508 AMAQI
13th Jul 2025529 AMAQI
13th Jul 20255010 AMAQI
13th Jul 20255611 AMAQI
13th Jul 20255412 PMAQI
13th Jul 2025531 PMAQI
13th Jul 2025522 PMAQI
13th Jul 2025563 PMAQI
13th Jul 2025564 PMAQI
13th Jul 2025525 PMAQI
13th Jul 2025506 PMAQI
13th Jul 2025527 PMAQI
13th Jul 2025538 PMAQI
13th Jul 2025539 PMAQI
13th Jul 20255310 PMAQI
13th Jul 20255311 PMAQI
14th Jul 20255412 AMAQI
14th Jul 2025521 AMAQI
14th Jul 2025522 AMAQI
14th Jul 2025523 AMAQI
14th Jul 2025524 AMAQI
29°C28/30°C
14th Jul 2025525 AMAQI
14th Jul 2025526 AMAQI
14th Jul 2025527 AMAQI
14th Jul 2025538 AMAQI
14th Jul 2025529 AMAQI
14th Jul 20254910 AMAQI
14th Jul 20255611 AMAQI
14th Jul 20255812 PMAQI
14th Jul 2025581 PMAQI
14th Jul 2025542 PMAQI
14th Jul 2025503 PMAQI
14th Jul 2025514 PMAQI
14th Jul 2025485 PMAQI
14th Jul 2025486 PMAQI
14th Jul 2025487 PMAQI
14th Jul 2025528 PMAQI
14th Jul 2025529 PMAQI
14th Jul 20255210 PMAQI
14th Jul 20255211 PMAQI
15th Jul 20255212 AMAQI
15th Jul 2025531 AMAQI
15th Jul 2025542 AMAQI
15th Jul 2025543 AMAQI
15th Jul 2025534 AMAQI
29°C28/30°C
15th Jul 2025535 AMAQI
15th Jul 2025536 AMAQI
15th Jul 2025537 AMAQI
15th Jul 2025448 AMAQI
15th Jul 2025489 AMAQI
15th Jul 20255110 AMAQI
15th Jul 20255011 AMAQI
15th Jul 20255212 PMAQI
15th Jul 2025511 PMAQI
15th Jul 2025492 PMAQI
15th Jul 2025523 PMAQI
15th Jul 2025534 PMAQI
15th Jul 2025525 PMAQI
15th Jul 2025516 PMAQI
15th Jul 2025537 PMAQI
15th Jul 2025528 PMAQI
15th Jul 2025539 PMAQI
15th Jul 20255310 PMAQI
15th Jul 20255211 PMAQI
16th Jul 20255212 AMAQI
16th Jul 2025531 AMAQI
16th Jul 2025532 AMAQI
16th Jul 2025533 AMAQI
16th Jul 2025524 AMAQI
29°C29/30°C
16th Jul 2025525 AMAQI
16th Jul 2025526 AMAQI
16th Jul 2025527 AMAQI
16th Jul 2025438 AMAQI
16th Jul 2025469 AMAQI
16th Jul 20254310 AMAQI
16th Jul 20254811 AMAQI
16th Jul 20255312 PMAQI
16th Jul 2025541 PMAQI
16th Jul 2025542 PMAQI
16th Jul 2025523 PMAQI
16th Jul 2025524 PMAQI
16th Jul 2025525 PMAQI
16th Jul 2025526 PMAQI
16th Jul 2025507 PMAQI
16th Jul 2025528 PMAQI
16th Jul 2025539 PMAQI
16th Jul 20255310 PMAQI
16th Jul 20255211 PMAQI
17th Jul 20255212 AMAQI
17th Jul 2025521 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025523 AMAQI
17th Jul 2025524 AMAQI
29°C29/30°C
17th Jul 2025525 AMAQI
17th Jul 2025526 AMAQI
17th Jul 2025527 AMAQI
17th Jul 2025528 AMAQI
17th Jul 2025529 AMAQI
17th Jul 20255610 AMAQI
17th Jul 20255911 AMAQI
17th Jul 20255312 PMAQI
17th Jul 2025551 PMAQI
17th Jul 2025592 PMAQI
17th Jul 2025613 PMAQI
17th Jul 2025594 PMAQI
17th Jul 2025605 PMAQI
17th Jul 2025616 PMAQI
17th Jul 2025617 PMAQI
17th Jul 2025598 PMAQI
17th Jul 2025589 PMAQI
17th Jul 20255810 PMAQI
17th Jul 20255511 PMAQI
18th Jul 20255512 AMAQI
18th Jul 2025531 AMAQI
18th Jul 2025522 AMAQI
18th Jul 2025523 AMAQI
18th Jul 2025534 AMAQI
30°C29/31°C
18th Jul 2025535 AMAQI
18th Jul 2025526 AMAQI
18th Jul 2025527 AMAQI
18th Jul 2025548 AMAQI
18th Jul 2025579 AMAQI
18th Jul 20256610 AMAQI
18th Jul 20256511 AMAQI
18th Jul 20256812 PMAQI
18th Jul 2025641 PMAQI
18th Jul 2025562 PMAQI
18th Jul 2025553 PMAQI
18th Jul 2025584 PMAQI
18th Jul 2025625 PMAQI
18th Jul 2025576 PMAQI
18th Jul 2025577 PMAQI
18th Jul 2025548 PMAQI
18th Jul 2025549 PMAQI
18th Jul 20255410 PMAQI
18th Jul 20255611 PMAQI
19th Jul 20255612 AMAQI
19th Jul 2025541 AMAQI
19th Jul 2025542 AMAQI
19th Jul 2025543 AMAQI
19th Jul 2025544 AMAQI
30°C29/32°C
19th Jul 2025555 AMAQI
19th Jul 2025546 AMAQI
19th Jul 2025557 AMAQI
19th Jul 2025728 AMAQI
19th Jul 2025779 AMAQI
19th Jul 20257610 AMAQI
19th Jul 20257211 AMAQI
19th Jul 20256312 PMAQI
19th Jul 2025641 PMAQI
19th Jul 2025672 PMAQI
19th Jul 2025713 PMAQI
19th Jul 2025734 PMAQI
19th Jul 2025665 PMAQI
19th Jul 2025626 PMAQI
19th Jul 2025587 PMAQI
19th Jul 2025568 PMAQI
19th Jul 2025549 PMAQI
19th Jul 20255310 PMAQI
19th Jul 20255311 PMAQI
20th Jul 20255212 AMAQI
20th Jul 2025541 AMAQI
20th Jul 2025562 AMAQI
20th Jul 2025553 AMAQI
20th Jul 2025564 AMAQI
29°C27/32°C
20th Jul 2025575 AMAQI
20th Jul 2025576 AMAQI
20th Jul 2025587 AMAQI
20th Jul 2025388 AMAQI
20th Jul 2025189 AMAQI
20th Jul 20252010 AMAQI
20th Jul 20251911 AMAQI
20th Jul 20252712 PMAQI
20th Jul 2025301 PMAQI
20th Jul 2025332 PMAQI
20th Jul 2025253 PMAQI
20th Jul 2025324 PMAQI
20th Jul 2025305 PMAQI
20th Jul 2025266 PMAQI
20th Jul 2025307 PMAQI
20th Jul 2025468 PMAQI
20th Jul 2025469 PMAQI
20th Jul 20254610 PMAQI
20th Jul 20254611 PMAQI
21st Jul 20254412 AMAQI
21st Jul 2025541 AMAQI
21st Jul 2025552 AMAQI
21st Jul 2025543 AMAQI
21st Jul 2025534 AMAQI
28°C27/28°C
21st Jul 2025525 AMAQI
21st Jul 2025526 AMAQI
21st Jul 2025527 AMAQI
21st Jul 2025338 AMAQI
21st Jul 2025259 AMAQI
21st Jul 20253310 AMAQI
21st Jul 20253711 AMAQI
21st Jul 20253612 PMAQI
21st Jul 2025401 PMAQI
21st Jul 2025442 PMAQI
21st Jul 2025473 PMAQI
21st Jul 2025454 PMAQI
21st Jul 2025475 PMAQI
21st Jul 2025456 PMAQI
21st Jul 2025407 PMAQI
21st Jul 2025468 PMAQI
21st Jul 2025509 PMAQI
21st Jul 20254810 PMAQI
21st Jul 20254411 PMAQI
22nd Jul 20254612 AMAQI
22nd Jul 2025511 AMAQI
22nd Jul 2025522 AMAQI
22nd Jul 2025513 AMAQI
22nd Jul 2025484 AMAQI
28°C28/28°C
22nd Jul 2025485 AMAQI
22nd Jul 2025486 AMAQI
22nd Jul 2025487 AMAQI
22nd Jul 2025308 AMAQI
22nd Jul 2025269 AMAQI
22nd Jul 20253210 AMAQI
22nd Jul 20254011 AMAQI
22nd Jul 20255012 PMAQI
22nd Jul 2025511 PMAQI
22nd Jul 2025562 PMAQI
22nd Jul 2025583 PMAQI
22nd Jul 2025554 PMAQI
22nd Jul 2025455 PMAQI
22nd Jul 2025426 PMAQI
22nd Jul 2025497 PMAQI
22nd Jul 2025508 PMAQI
22nd Jul 2025489 PMAQI
22nd Jul 20254710 PMAQI
22nd Jul 20254411 PMAQI
23rd Jul 20254512 AMAQI
23rd Jul 2025481 AMAQI
23rd Jul 2025522 AMAQI
23rd Jul 2025493 AMAQI
23rd Jul 2025504 AMAQI
28°C27/29°C
23rd Jul 2025505 AMAQI
23rd Jul 2025496 AMAQI
23rd Jul 2025497 AMAQI
23rd Jul 2025288 AMAQI
23rd Jul 2025249 AMAQI
23rd Jul 20253410 AMAQI
23rd Jul 20254611 AMAQI
23rd Jul 20254412 PMAQI
23rd Jul 2025401 PMAQI
23rd Jul 2025402 PMAQI
23rd Jul 2025423 PMAQI
23rd Jul 2025394 PMAQI
23rd Jul 2025355 PMAQI
23rd Jul 2025346 PMAQI
23rd Jul 2025367 PMAQI
23rd Jul 2025448 PMAQI
23rd Jul 2025469 PMAQI
23rd Jul 20254810 PMAQI
23rd Jul 20254811 PMAQI
24th Jul 20254812 AMAQI
24th Jul 2025461 AMAQI
24th Jul 2025462 AMAQI
24th Jul 2025463 AMAQI
24th Jul 2025464 AMAQI
28°C27/29°C
24th Jul 2025445 AMAQI
24th Jul 2025446 AMAQI
24th Jul 2025447 AMAQI
24th Jul 2025538 AMAQI
24th Jul 2025589 AMAQI
24th Jul 20255710 AMAQI
24th Jul 20255811 AMAQI
24th Jul 20255612 PMAQI
24th Jul 2025601 PMAQI
24th Jul 2025622 PMAQI
24th Jul 2025703 PMAQI
24th Jul 2025734 PMAQI
24th Jul 2025675 PMAQI
24th Jul 2025646 PMAQI
24th Jul 2025577 PMAQI
24th Jul 2025518 PMAQI
24th Jul 2025529 PMAQI
24th Jul 20255210 PMAQI
24th Jul 20255211 PMAQI
25th Jul 20255212 AMAQI
25th Jul 2025471 AMAQI
25th Jul 2025482 AMAQI
25th Jul 2025483 AMAQI
25th Jul 2025494 AMAQI
29°C27/30°C
25th Jul 2025485 AMAQI
25th Jul 2025486 AMAQI
25th Jul 2025497 AMAQI
25th Jul 2025568 AMAQI
25th Jul 2025529 AMAQI
25th Jul 20254110 AMAQI
25th Jul 20254811 AMAQI
25th Jul 20255612 PMAQI
25th Jul 2025631 PMAQI
25th Jul 2025732 PMAQI
25th Jul 2025743 PMAQI
25th Jul 2025864 PMAQI
25th Jul 2025785 PMAQI
25th Jul 2025826 PMAQI
25th Jul 2025727 PMAQI
25th Jul 2025578 PMAQI
25th Jul 2025549 PMAQI
25th Jul 20255210 PMAQI
25th Jul 20255211 PMAQI
26th Jul 20255212 AMAQI
26th Jul 2025511 AMAQI
26th Jul 2025512 AMAQI
26th Jul 2025523 AMAQI
26th Jul 2025524 AMAQI
29°C28/31°C
26th Jul 2025525 AMAQI
26th Jul 2025526 AMAQI
26th Jul 2025527 AMAQI
26th Jul 2025618 AMAQI
26th Jul 2025629 AMAQI
26th Jul 20255910 AMAQI
26th Jul 20256011 AMAQI
26th Jul 20256012 PMAQI
26th Jul 2025621 PMAQI
26th Jul 2025702 PMAQI
26th Jul 2025703 PMAQI
26th Jul 2025814 PMAQI
26th Jul 2025825 PMAQI
26th Jul 2025776 PMAQI
26th Jul 2025667 PMAQI
26th Jul 2025598 PMAQI
26th Jul 2025609 PMAQI
26th Jul 20255910 PMAQI
26th Jul 20255911 PMAQI
27th Jul 20255612 AMAQI
27th Jul 2025531 AMAQI
27th Jul 2025522 AMAQI
27th Jul 2025523 AMAQI
27th Jul 2025534 AMAQI
29°C28/31°C
27th Jul 2025535 AMAQI
27th Jul 2025536 AMAQI
27th Jul 2025537 AMAQI
27th Jul 2025598 AMAQI
27th Jul 2025609 AMAQI
27th Jul 20255510 AMAQI
27th Jul 20255211 AMAQI
27th Jul 20255512 PMAQI
27th Jul 2025551 PMAQI
27th Jul 2025562 PMAQI
27th Jul 2025563 PMAQI
27th Jul 2025584 PMAQI
27th Jul 2025575 PMAQI
27th Jul 2025456 PMAQI
27th Jul 2025497 PMAQI
27th Jul 2025528 PMAQI
27th Jul 2025549 PMAQI
27th Jul 20255410 PMAQI
27th Jul 20255211 PMAQI
28th Jul 20255212 AMAQI
28th Jul 2025541 AMAQI
28th Jul 2025542 AMAQI
28th Jul 2025543 AMAQI
28th Jul 2025544 AMAQI
29°C28/30°C
28th Jul 2025555 AMAQI
28th Jul 2025546 AMAQI
28th Jul 2025547 AMAQI
28th Jul 2025408 AMAQI
28th Jul 2025319 AMAQI
28th Jul 20253810 AMAQI
28th Jul 20255211 AMAQI
28th Jul 20255412 PMAQI
28th Jul 2025601 PMAQI
28th Jul 2025642 PMAQI
28th Jul 2025703 PMAQI
28th Jul 2025704 PMAQI
28th Jul 2025705 PMAQI
28th Jul 2025676 PMAQI
28th Jul 2025627 PMAQI
28th Jul 2025628 PMAQI
28th Jul 2025619 PMAQI
28th Jul 20256010 PMAQI
28th Jul 20255711 PMAQI
29th Jul 20255512 AMAQI
29th Jul 2025531 AMAQI
29th Jul 2025532 AMAQI
29th Jul 2025533 AMAQI
29th Jul 2025544 AMAQI
29°C28/30°C
29th Jul 2025545 AMAQI
29th Jul 2025546 AMAQI
29th Jul 2025547 AMAQI
29th Jul 2025568 AMAQI
29th Jul 2025569 AMAQI
29th Jul 20254610 AMAQI
29th Jul 20255211 AMAQI
29th Jul 20256012 PMAQI
29th Jul 2025581 PMAQI
29th Jul 2025592 PMAQI
29th Jul 2025573 PMAQI
29th Jul 2025584 PMAQI
29th Jul 2025605 PMAQI
29th Jul 2025586 PMAQI
29th Jul 2025577 PMAQI
29th Jul 2025578 PMAQI
29th Jul 2025579 PMAQI
29th Jul 20255610 PMAQI
29th Jul 20255711 PMAQI
30th Jul 20255512 AMAQI
30th Jul 2025541 AMAQI
30th Jul 2025552 AMAQI
30th Jul 2025553 AMAQI
30th Jul 2025554 AMAQI
29°C28/30°C
30th Jul 2025545 AMAQI
30th Jul 2025546 AMAQI
30th Jul 2025557 AMAQI
30th Jul 2025588 AMAQI
30th Jul 2025629 AMAQI
30th Jul 20256810 AMAQI
30th Jul 20256911 AMAQI
30th Jul 20257112 PMAQI
30th Jul 2025721 PMAQI
30th Jul 2025722 PMAQI
30th Jul 2025723 PMAQI
30th Jul 2025664 PMAQI
30th Jul 2025605 PMAQI
30th Jul 2025566 PMAQI
30th Jul 2025587 PMAQI
30th Jul 2025568 PMAQI
30th Jul 2025559 PMAQI
30th Jul 20255610 PMAQI
30th Jul 20255611 PMAQI
31st Jul 20255512 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 20254711 AMAQI
31st Jul 20255012 PMAQI
31st Jul 2025521 PMAQI
31st Jul 2025502 PMAQI
31st Jul 2025533 PMAQI
31st Jul 2025514 PMAQI
31st Jul 2025515 PMAQI
31st Jul 2025526 PMAQI
31st Jul 2025547 PMAQI
31st Jul 2025568 PMAQI
31st Jul 2025569 PMAQI
31st Jul 20255810 PMAQI
31st Jul 20255711 PMAQI
1st Aug 20255512 AMAQI
1st Aug 2025561 AMAQI
1st Aug 2025542 AMAQI
1st Aug 2025553 AMAQI
1st Aug 2025554 AMAQI
29°C28/29°C
1st Aug 2025565 AMAQI
1st Aug 2025556 AMAQI
1st Aug 2025557 AMAQI
1st Aug 2025538 AMAQI
1st Aug 2025589 AMAQI
1st Aug 20255410 AMAQI
1st Aug 20255511 AMAQI
1st Aug 20255412 PMAQI
1st Aug 2025541 PMAQI
1st Aug 2025562 PMAQI
1st Aug 2025503 PMAQI
1st Aug 2025574 PMAQI
1st Aug 2025535 PMAQI
1st Aug 2025516 PMAQI
1st Aug 2025557 PMAQI
1st Aug 2025568 PMAQI
1st Aug 2025579 PMAQI
1st Aug 20255610 PMAQI
1st Aug 20255611 PMAQI
2nd Aug 20255712 AMAQI
2nd Aug 2025561 AMAQI
2nd Aug 2025552 AMAQI
2nd Aug 2025563 AMAQI
2nd Aug 2025564 AMAQI
29°C28/30°C
2nd Aug 2025565 AMAQI
2nd Aug 2025566 AMAQI
2nd Aug 2025567 AMAQI
2nd Aug 2025488 AMAQI
2nd Aug 2025569 AMAQI
2nd Aug 20255410 AMAQI
2nd Aug 20255111 AMAQI
2nd Aug 20254312 PMAQI
2nd Aug 2025521 PMAQI
2nd Aug 2025502 PMAQI
2nd Aug 2025503 PMAQI
2nd Aug 2025384 PMAQI
2nd Aug 2025465 PMAQI
2nd Aug 2025466 PMAQI
2nd Aug 2025507 PMAQI
2nd Aug 2025558 PMAQI
2nd Aug 2025579 PMAQI
2nd Aug 20255810 PMAQI
2nd Aug 20255511 PMAQI
3rd Aug 20255412 AMAQI
3rd Aug 2025561 AMAQI
3rd Aug 2025572 AMAQI
3rd Aug 2025563 AMAQI
--°C/°C
5 AM
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
11 AM - 7 PM
55AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
5 AM - 10 AM
49AQI
6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 7 PM (Avg. 55), while the lowest AQI was between 5 AM to 10 AM (Avg. 49).
Night time
Avg. Highest Time
12 AM - 11 PM
51AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
51AQI
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. 51), while the lowest AQI was between 12 AM to 11 PM (Avg. 51).
2025 Days Vs Air Quality
Chuen Lung, Tsuen Wan, Hong Kong, China
2025
22%
46
71%
151
8%
16
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Good
46 DaysModerate
151 DaysPoor
16 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 22%
Health Risk Level:
Very high
In 2025, 22% of 214 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
Chuen Lung, Tsuen Wan, 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
111AQI
111AQI
2nd January 2025
135AQI
135AQI
3rd January 2025
104AQI
104AQI
4th January 2025
103AQI
103AQI
5th January 2025
102AQI
102AQI
6th January 2025
104AQI
104AQI
7th January 2025
93AQI
93AQI
8th January 2025
103AQI
103AQI
9th January 2025
106AQI
106AQI
10th January 2025
86AQI
86AQI
11th January 2025
94AQI
94AQI
12th January 2025
71AQI
71AQI
13th January 2025
74AQI
74AQI
14th January 2025
70AQI
70AQI
15th January 2025
82AQI
82AQI
16th January 2025
113AQI
113AQI
17th January 2025
89AQI
89AQI
18th January 2025
101AQI
101AQI
19th January 2025
93AQI
93AQI
20th January 2025
95AQI
95AQI
21st January 2025
86AQI
86AQI
22nd January 2025
86AQI
86AQI
23rd January 2025
79AQI
79AQI
24th January 2025
70AQI
70AQI
25th January 2025
63AQI
63AQI
26th January 2025
58AQI
58AQI
27th January 2025
59AQI
59AQI
28th January 2025
61AQI
61AQI
29th January 2025
82AQI
82AQI
30th January 2025
63AQI
63AQI
31st January 2025
64AQI
64AQI
1st February 2025
52AQI
52AQI
2nd February 2025
59AQI
59AQI
3rd February 2025
43AQI
43AQI
4th February 2025
53AQI
53AQI
5th February 2025
76AQI
76AQI
6th February 2025
66AQI
66AQI
7th February 2025
65AQI
65AQI
8th February 2025
68AQI
68AQI
9th February 2025
62AQI
62AQI
10th February 2025
64AQI
64AQI
11th February 2025
61AQI
61AQI
12th February 2025
60AQI
60AQI
13th February 2025
85AQI
85AQI
14th February 2025
80AQI
80AQI
15th February 2025
84AQI
84AQI
16th February 2025
114AQI
114AQI
17th February 2025
89AQI
89AQI
18th February 2025
120AQI
120AQI
19th February 2025
74AQI
74AQI
20th February 2025
83AQI
83AQI
21st February 2025
79AQI
79AQI
22nd February 2025
70AQI
70AQI
23rd February 2025
58AQI
58AQI
24th February 2025
60AQI
60AQI
25th February 2025
82AQI
82AQI
26th February 2025
89AQI
89AQI
27th February 2025
77AQI
77AQI
28th February 2025
74AQI
74AQI
1st March 2025
69AQI
69AQI
2nd March 2025
65AQI
65AQI
3rd March 2025
61AQI
61AQI
4th March 2025
60AQI
60AQI
5th March 2025
52AQI
52AQI
6th March 2025
50AQI
50AQI
7th March 2025
57AQI
57AQI
8th March 2025
67AQI
67AQI
9th March 2025
64AQI
64AQI
10th March 2025
71AQI
71AQI
11th March 2025
68AQI
68AQI
12th March 2025
65AQI
65AQI
13th March 2025
70AQI
70AQI
14th March 2025
65AQI
65AQI
15th March 2025
60AQI
60AQI
16th March 2025
49AQI
49AQI
17th March 2025
74AQI
74AQI
18th March 2025
68AQI
68AQI
19th March 2025
74AQI
74AQI
20th March 2025
75AQI
75AQI
21st March 2025
78AQI
78AQI
22nd March 2025
78AQI
78AQI
23rd March 2025
77AQI
77AQI
24th March 2025
82AQI
82AQI
25th March 2025
78AQI
78AQI
26th March 2025
67AQI
67AQI
27th March 2025
65AQI
65AQI
28th March 2025
69AQI
69AQI
29th March 2025
53AQI
53AQI
30th March 2025
46AQI
46AQI
31st March 2025
43AQI
43AQI
1st April 2025
55AQI
55AQI
2nd April 2025
56AQI
56AQI
3rd April 2025
62AQI
62AQI
4th April 2025
62AQI
62AQI
5th April 2025
62AQI
62AQI
6th April 2025
74AQI
74AQI
7th April 2025
73AQI
73AQI
8th April 2025
80AQI
80AQI
9th April 2025
76AQI
76AQI
10th April 2025
74AQI
74AQI
11th April 2025
72AQI
72AQI
12th April 2025
66AQI
66AQI
13th April 2025
132AQI
132AQI
14th April 2025
132AQI
132AQI
15th April 2025
132AQI
132AQI
16th April 2025
104AQI
104AQI
17th April 2025
90AQI
90AQI
18th April 2025
74AQI
74AQI
19th April 2025
64AQI
64AQI
20th April 2025
60AQI
60AQI
21st April 2025
58AQI
58AQI
22nd April 2025
62AQI
62AQI
23rd April 2025
58AQI
58AQI
24th April 2025
52AQI
52AQI
25th April 2025
61AQI
61AQI
26th April 2025
54AQI
54AQI
27th April 2025
65AQI
65AQI
28th April 2025
72AQI
72AQI
29th April 2025
65AQI
65AQI
30th April 2025
73AQI
73AQI
1st May 2025
68AQI
68AQI
2nd May 2025
79AQI
79AQI
3rd May 2025
82AQI
82AQI
4th May 2025
68AQI
68AQI
5th May 2025
62AQI
62AQI
6th May 2025
60AQI
60AQI
7th May 2025
58AQI
58AQI
8th May 2025
64AQI
64AQI
9th May 2025
58AQI
58AQI
10th May 2025
67AQI
67AQI
11th May 2025
60AQI
60AQI
12th May 2025
62AQI
62AQI
13th May 2025
64AQI
64AQI
14th May 2025
59AQI
59AQI
15th May 2025
55AQI
55AQI
16th May 2025
50AQI
50AQI
17th May 2025
52AQI
52AQI
18th May 2025
46AQI
46AQI
19th May 2025
51AQI
51AQI
20th May 2025
47AQI
47AQI
21st May 2025
51AQI
51AQI
22nd May 2025
50AQI
50AQI
23rd May 2025
52AQI
52AQI
24th May 2025
54AQI
54AQI
25th May 2025
69AQI
69AQI
26th May 2025
65AQI
65AQI
27th May 2025
68AQI
68AQI
28th May 2025
57AQI
57AQI
29th May 2025
58AQI
58AQI
30th May 2025
48AQI
48AQI
31st May 2025
59AQI
59AQI
1st June 2025
60AQI
60AQI
2nd June 2025
55AQI
55AQI
3rd June 2025
58AQI
58AQI
4th June 2025
52AQI
52AQI
5th June 2025
57AQI
57AQI
6th June 2025
59AQI
59AQI
7th June 2025
56AQI
56AQI
8th June 2025
50AQI
50AQI
9th June 2025
54AQI
54AQI
10th June 2025
46AQI
46AQI
11th June 2025
39AQI
39AQI
12th June 2025
44AQI
44AQI
13th June 2025
48AQI
48AQI
14th June 2025
50AQI
50AQI
15th June 2025
49AQI
49AQI
16th June 2025
52AQI
52AQI
17th June 2025
49AQI
49AQI
18th June 2025
48AQI
48AQI
19th June 2025
44AQI
44AQI
20th June 2025
41AQI
41AQI
21st June 2025
38AQI
38AQI
22nd June 2025
37AQI
37AQI
23rd June 2025
35AQI
35AQI
24th June 2025
34AQI
34AQI
25th June 2025
35AQI
35AQI
26th June 2025
33AQI
33AQI
27th June 2025
34AQI
34AQI
28th June 2025
33AQI
33AQI
29th June 2025
34AQI
34AQI
30th June 2025
33AQI
33AQI
1st July 2025
31AQI
31AQI
2nd July 2025
34AQI
34AQI
3rd July 2025
40AQI
40AQI
4th July 2025
44AQI
44AQI
5th July 2025
47AQI
47AQI
6th July 2025
48AQI
48AQI
7th July 2025
52AQI
52AQI
8th July 2025
42AQI
42AQI
9th July 2025
47AQI
47AQI
10th July 2025
49AQI
49AQI
11th July 2025
50AQI
50AQI
12th July 2025
50AQI
50AQI
13th July 2025
52AQI
52AQI
14th July 2025
52AQI
52AQI
15th July 2025
52AQI
52AQI
16th July 2025
52AQI
52AQI
17th July 2025
55AQI
55AQI
18th July 2025
56AQI
56AQI
19th July 2025
59AQI
59AQI
20th July 2025
43AQI
43AQI
21st July 2025
45AQI
45AQI
22nd July 2025
47AQI
47AQI
23rd July 2025
44AQI
44AQI
24th July 2025
53AQI
53AQI
25th July 2025
56AQI
56AQI
26th July 2025
59AQI
59AQI
27th July 2025
54AQI
54AQI
28th July 2025
56AQI
56AQI
29th July 2025
56AQI
56AQI
30th July 2025
59AQI
59AQI
31st July 2025
54AQI
54AQI
1st August 2025
55AQI
55AQI
87AQI
73AQI
65AQI
74AQI
59AQI
45AQI
50AQI
55AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202565AQI
21
10
1
25
2
4
27
26
4
5
26
21
9
15
16
1
46
151
16
Highest AQI recorded in
January87AQI
Lowest AQI recorded in
June45AQI
202461AQI
2
20
9
5
24
2
27
2
8
22
9
22
28
1
29
2
16
15
13
17
3
28
5
25
21
10
120
224
21
Highest AQI recorded in
December93AQI
Lowest AQI recorded in
July30AQI
202363AQI
1
29
1
1
25
2
5
23
3
4
25
1
3
26
2
23
7
23
8
13
18
20
10
6
24
1
1
28
1
27
3
101
250
13
Highest AQI recorded in
December80AQI
Lowest AQI recorded in
July46AQI
202259AQI
1
2
8
11
1
10
15
6
3
26
1
16
15
29
1
21
1
1
4
17
7
4
27
6
24
6
23
2
107
161
20
Highest AQI recorded in
August129AQI
Lowest AQI recorded in
June38AQI
202162AQI
22
8
1
2
26
4
25
2
4
25
1
20
11
19
10
1
22
9
20
11
16
14
12
19
2
27
1
2
23
5
1
123
222
18
2
Highest AQI recorded in
January91AQI
Lowest AQI recorded in
July43AQI
202053AQI
3
10
9
12
11
7
30
31
23
8
15
12
3
2
29
4
23
3
25
6
128
126
12
Highest AQI recorded in
December87AQI
Lowest AQI recorded in
July26AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
65AQILeast Polluted Year Recorded
2020(Avg.)
53AQIChuen Lung's annual 2025 AQI (65) shows an average percentage change of 9.1% (worsened AQI) compared to previous years: 2020 (53), 2021 (62), 2022 (59), 2023 (63), 2024 (61).
