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+
September 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
16th Sep 2022
128AQILowest AQI recorded on
22nd Sep 2021
26AQISame Day Analysis (16th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 41 of Good air quality, showing improvement over 2024, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 16th Sep - 17th Sep 2025
Chuen Lung, Tsuen Wan, Hong Kong, China
AQI
Day
Night
.
6 AM16th Sep 2025
6 PM
5 AM17th Sep 2025
Day time
Avg. Highest Time
12PM16th Sep
51AQI
Avg. Lowest Time
9AM16th Sep
29AQI
Night time
Avg. Highest Time
11PM16th Sep
57AQI
Avg. Lowest Time
5AM17th Sep
38AQI
In the last 24 hours,
Chuen Lung's AQI reached its highest point of 57 at 11 PM during the Night, while the lowest point, 29, was recorded at 9 AM during the Day between 16th Sep and 17th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Chuen Lung, Tsuen Wan, Hong Kong, China
AugSep
18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 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
Day
Night
18th Aug 2025446 AMAQI
18th Aug 2025447 AMAQI
18th Aug 2025308 AMAQI
18th Aug 2025289 AMAQI
18th Aug 20254010 AMAQI
18th Aug 20253311 AMAQI
18th Aug 20253612 PMAQI
18th Aug 2025361 PMAQI
18th Aug 2025282 PMAQI
18th Aug 2025403 PMAQI
18th Aug 2025334 PMAQI
18th Aug 2025345 PMAQI
18th Aug 2025346 PMAQI
18th Aug 2025377 PMAQI
18th Aug 2025468 PMAQI
18th Aug 2025429 PMAQI
18th Aug 20254610 PMAQI
18th Aug 20254211 PMAQI
19th Aug 20254412 AMAQI
19th Aug 2025461 AMAQI
19th Aug 2025422 AMAQI
19th Aug 2025443 AMAQI
19th Aug 2025434 AMAQI
19th Aug 2025415 AMAQI
27°C26/27°C
19th Aug 2025436 AMAQI
19th Aug 2025427 AMAQI
19th Aug 2025288 AMAQI
19th Aug 2025239 AMAQI
19th Aug 20253610 AMAQI
19th Aug 20253211 AMAQI
19th Aug 20253212 PMAQI
19th Aug 2025321 PMAQI
19th Aug 2025402 PMAQI
19th Aug 2025383 PMAQI
19th Aug 2025504 PMAQI
19th Aug 2025435 PMAQI
19th Aug 2025406 PMAQI
19th Aug 2025407 PMAQI
19th Aug 2025428 PMAQI
19th Aug 2025439 PMAQI
19th Aug 20254610 PMAQI
19th Aug 20254411 PMAQI
20th Aug 20254512 AMAQI
20th Aug 2025431 AMAQI
20th Aug 2025462 AMAQI
20th Aug 2025443 AMAQI
20th Aug 2025434 AMAQI
20th Aug 2025425 AMAQI
27°C27/28°C
20th Aug 2025416 AMAQI
20th Aug 2025437 AMAQI
20th Aug 2025368 AMAQI
20th Aug 2025369 AMAQI
20th Aug 20254210 AMAQI
20th Aug 20253211 AMAQI
20th Aug 20253612 PMAQI
20th Aug 2025381 PMAQI
20th Aug 2025352 PMAQI
20th Aug 2025353 PMAQI
20th Aug 2025324 PMAQI
20th Aug 2025365 PMAQI
20th Aug 2025296 PMAQI
20th Aug 2025387 PMAQI
20th Aug 2025438 PMAQI
20th Aug 2025429 PMAQI
20th Aug 20254010 PMAQI
20th Aug 20254011 PMAQI
21st Aug 20254412 AMAQI
21st Aug 2025451 AMAQI
21st Aug 2025462 AMAQI
21st Aug 2025443 AMAQI
21st Aug 2025424 AMAQI
21st Aug 2025405 AMAQI
28°C27/29°C
21st Aug 2025426 AMAQI
21st Aug 2025427 AMAQI
21st Aug 2025268 AMAQI
21st Aug 2025359 AMAQI
21st Aug 20253710 AMAQI
21st Aug 20255211 AMAQI
21st Aug 20254512 PMAQI
21st Aug 2025401 PMAQI
21st Aug 2025382 PMAQI
21st Aug 2025373 PMAQI
21st Aug 2025354 PMAQI
21st Aug 2025385 PMAQI
21st Aug 2025386 PMAQI
21st Aug 2025437 PMAQI
21st Aug 2025448 PMAQI
21st Aug 2025449 PMAQI
21st Aug 20254210 PMAQI
21st Aug 20254211 PMAQI
22nd Aug 20254412 AMAQI
22nd Aug 2025471 AMAQI
22nd Aug 2025462 AMAQI
22nd Aug 2025443 AMAQI
22nd Aug 2025474 AMAQI
22nd Aug 2025445 AMAQI
28°C27/29°C
22nd Aug 2025446 AMAQI
22nd Aug 2025447 AMAQI
22nd Aug 2025538 AMAQI
22nd Aug 2025429 AMAQI
22nd Aug 20255310 AMAQI
22nd Aug 20254911 AMAQI
22nd Aug 20254112 PMAQI
22nd Aug 2025421 PMAQI
22nd Aug 2025372 PMAQI
22nd Aug 2025403 PMAQI
22nd Aug 2025424 PMAQI
22nd Aug 2025465 PMAQI
22nd Aug 2025386 PMAQI
22nd Aug 2025407 PMAQI
22nd Aug 2025488 PMAQI
22nd Aug 2025429 PMAQI
22nd Aug 20254710 PMAQI
22nd Aug 20254811 PMAQI
23rd Aug 20254412 AMAQI
23rd Aug 2025461 AMAQI
23rd Aug 2025442 AMAQI
23rd Aug 2025453 AMAQI
23rd Aug 2025464 AMAQI
23rd Aug 2025465 AMAQI
29°C28/30°C
23rd Aug 2025466 AMAQI
23rd Aug 2025447 AMAQI
23rd Aug 2025508 AMAQI
23rd Aug 2025499 AMAQI
23rd Aug 20255110 AMAQI
23rd Aug 20255711 AMAQI
23rd Aug 20255612 PMAQI
23rd Aug 2025551 PMAQI
23rd Aug 2025502 PMAQI
23rd Aug 2025383 PMAQI
23rd Aug 2025434 PMAQI
23rd Aug 2025425 PMAQI
23rd Aug 2025366 PMAQI
23rd Aug 2025507 PMAQI
23rd Aug 2025528 PMAQI
23rd Aug 2025529 PMAQI
23rd Aug 20255110 PMAQI
23rd Aug 20255311 PMAQI
24th Aug 20254612 AMAQI
24th Aug 2025481 AMAQI
24th Aug 2025462 AMAQI
24th Aug 2025483 AMAQI
24th Aug 2025464 AMAQI
24th Aug 2025485 AMAQI
29°C28/30°C
24th Aug 2025486 AMAQI
24th Aug 2025487 AMAQI
24th Aug 2025398 AMAQI
24th Aug 2025499 AMAQI
24th Aug 20254510 AMAQI
24th Aug 20254211 AMAQI
24th Aug 20254012 PMAQI
24th Aug 2025381 PMAQI
24th Aug 2025342 PMAQI
24th Aug 2025373 PMAQI
24th Aug 2025404 PMAQI
24th Aug 2025375 PMAQI
24th Aug 2025446 PMAQI
24th Aug 2025497 PMAQI
24th Aug 2025508 PMAQI
24th Aug 2025489 PMAQI
24th Aug 20255010 PMAQI
24th Aug 20254711 PMAQI
25th Aug 20254712 AMAQI
25th Aug 2025441 AMAQI
25th Aug 2025472 AMAQI
25th Aug 2025443 AMAQI
25th Aug 2025444 AMAQI
25th Aug 2025455 AMAQI
28°C27/29°C
25th Aug 2025446 AMAQI
25th Aug 2025447 AMAQI
25th Aug 2025478 AMAQI
25th Aug 2025399 AMAQI
25th Aug 20254410 AMAQI
25th Aug 20253711 AMAQI
25th Aug 20253712 PMAQI
25th Aug 2025441 PMAQI
25th Aug 2025322 PMAQI
25th Aug 2025343 PMAQI
25th Aug 2025354 PMAQI
25th Aug 2025445 PMAQI
25th Aug 2025426 PMAQI
25th Aug 2025467 PMAQI
25th Aug 2025468 PMAQI
25th Aug 2025509 PMAQI
25th Aug 20255210 PMAQI
25th Aug 20254411 PMAQI
26th Aug 20254612 AMAQI
26th Aug 2025461 AMAQI
26th Aug 2025452 AMAQI
26th Aug 2025453 AMAQI
26th Aug 2025444 AMAQI
26th Aug 2025455 AMAQI
28°C28/29°C
26th Aug 2025456 AMAQI
26th Aug 2025457 AMAQI
26th Aug 2025438 AMAQI
26th Aug 2025449 AMAQI
26th Aug 20254110 AMAQI
26th Aug 20253811 AMAQI
26th Aug 20254412 PMAQI
26th Aug 2025391 PMAQI
26th Aug 2025482 PMAQI
26th Aug 2025403 PMAQI
26th Aug 2025464 PMAQI
26th Aug 2025395 PMAQI
26th Aug 2025366 PMAQI
26th Aug 2025547 PMAQI
26th Aug 2025528 PMAQI
26th Aug 2025569 PMAQI
26th Aug 20255210 PMAQI
26th Aug 20255411 PMAQI
27th Aug 20255112 AMAQI
27th Aug 2025471 AMAQI
27th Aug 2025452 AMAQI
27th Aug 2025453 AMAQI
27th Aug 2025444 AMAQI
27th Aug 2025445 AMAQI
28°C28/29°C
27th Aug 2025436 AMAQI
27th Aug 2025447 AMAQI
27th Aug 2025498 AMAQI
27th Aug 2025499 AMAQI
27th Aug 20255210 AMAQI
27th Aug 20255411 AMAQI
27th Aug 20255412 PMAQI
27th Aug 2025361 PMAQI
27th Aug 2025472 PMAQI
27th Aug 2025503 PMAQI
27th Aug 2025494 PMAQI
27th Aug 2025485 PMAQI
27th Aug 2025446 PMAQI
27th Aug 2025457 PMAQI
27th Aug 2025478 PMAQI
27th Aug 2025489 PMAQI
27th Aug 20254510 PMAQI
27th Aug 20254611 PMAQI
28th Aug 20255012 AMAQI
28th Aug 2025441 AMAQI
28th Aug 2025462 AMAQI
28th Aug 2025453 AMAQI
28th Aug 2025454 AMAQI
28th Aug 2025475 AMAQI
28°C27/29°C
28th Aug 2025466 AMAQI
28th Aug 2025467 AMAQI
28th Aug 2025488 AMAQI
28th Aug 2025519 AMAQI
28th Aug 20255410 AMAQI
28th Aug 20255011 AMAQI
28th Aug 20255412 PMAQI
28th Aug 2025551 PMAQI
28th Aug 2025522 PMAQI
28th Aug 2025543 PMAQI
28th Aug 2025504 PMAQI
28th Aug 2025555 PMAQI
28th Aug 2025546 PMAQI
28th Aug 2025557 PMAQI
28th Aug 2025538 PMAQI
28th Aug 2025529 PMAQI
28th Aug 20255210 PMAQI
28th Aug 20255311 PMAQI
29th Aug 20254712 AMAQI
29th Aug 2025461 AMAQI
29th Aug 2025462 AMAQI
29th Aug 2025493 AMAQI
29th Aug 2025504 AMAQI
29th Aug 2025525 AMAQI
28°C27/29°C
29th Aug 2025516 AMAQI
29th Aug 2025507 AMAQI
29th Aug 2025488 AMAQI
29th Aug 2025469 AMAQI
29th Aug 20254310 AMAQI
29th Aug 20254511 AMAQI
29th Aug 20254612 PMAQI
29th Aug 2025461 PMAQI
29th Aug 2025452 PMAQI
29th Aug 2025433 PMAQI
29th Aug 2025394 PMAQI
29th Aug 2025375 PMAQI
29th Aug 2025456 PMAQI
29th Aug 2025507 PMAQI
29th Aug 2025548 PMAQI
29th Aug 2025559 PMAQI
29th Aug 20255010 PMAQI
29th Aug 20255011 PMAQI
30th Aug 20255012 AMAQI
30th Aug 2025501 AMAQI
30th Aug 2025512 AMAQI
30th Aug 2025513 AMAQI
30th Aug 2025504 AMAQI
30th Aug 2025505 AMAQI
28°C28/30°C
30th Aug 2025496 AMAQI
30th Aug 2025497 AMAQI
30th Aug 2025548 AMAQI
30th Aug 2025509 AMAQI
30th Aug 20255110 AMAQI
30th Aug 20255611 AMAQI
30th Aug 20255512 PMAQI
30th Aug 2025411 PMAQI
30th Aug 2025462 PMAQI
30th Aug 2025483 PMAQI
30th Aug 2025444 PMAQI
30th Aug 2025415 PMAQI
30th Aug 2025436 PMAQI
30th Aug 2025567 PMAQI
30th Aug 2025468 PMAQI
30th Aug 2025489 PMAQI
30th Aug 20254710 PMAQI
30th Aug 20254711 PMAQI
31st Aug 20255112 AMAQI
31st Aug 2025501 AMAQI
31st Aug 2025522 AMAQI
31st Aug 2025483 AMAQI
31st Aug 2025504 AMAQI
31st Aug 2025505 AMAQI
28°C27/29°C
31st Aug 2025486 AMAQI
31st Aug 2025497 AMAQI
31st Aug 2025388 AMAQI
31st Aug 2025489 AMAQI
31st Aug 20255010 AMAQI
31st Aug 20255911 AMAQI
31st Aug 20254612 PMAQI
31st Aug 2025411 PMAQI
31st Aug 2025382 PMAQI
31st Aug 2025443 PMAQI
31st Aug 2025454 PMAQI
31st Aug 2025475 PMAQI
31st Aug 2025546 PMAQI
31st Aug 2025567 PMAQI
31st Aug 2025498 PMAQI
31st Aug 2025539 PMAQI
31st Aug 20255210 PMAQI
31st Aug 20255011 PMAQI
1st Sep 20254212 AMAQI
1st Sep 2025481 AMAQI
1st Sep 2025512 AMAQI
1st Sep 2025493 AMAQI
1st Sep 2025494 AMAQI
1st Sep 2025505 AMAQI
28°C28/29°C
1st Sep 2025516 AMAQI
1st Sep 2025507 AMAQI
1st Sep 2025408 AMAQI
1st Sep 2025569 AMAQI
1st Sep 20254810 AMAQI
1st Sep 20254811 AMAQI
1st Sep 20254512 PMAQI
1st Sep 2025461 PMAQI
1st Sep 2025392 PMAQI
1st Sep 2025483 PMAQI
1st Sep 2025424 PMAQI
1st Sep 2025445 PMAQI
1st Sep 2025426 PMAQI
1st Sep 2025397 PMAQI
1st Sep 2025478 PMAQI
1st Sep 2025489 PMAQI
1st Sep 20255210 PMAQI
1st Sep 20255411 PMAQI
2nd Sep 20255012 AMAQI
2nd Sep 2025491 AMAQI
2nd Sep 2025462 AMAQI
2nd Sep 2025483 AMAQI
2nd Sep 2025464 AMAQI
2nd Sep 2025465 AMAQI
28°C27/29°C
2nd Sep 2025476 AMAQI
2nd Sep 2025467 AMAQI
2nd Sep 2025508 AMAQI
2nd Sep 2025369 AMAQI
2nd Sep 20254410 AMAQI
2nd Sep 20255311 AMAQI
2nd Sep 20255212 PMAQI
2nd Sep 2025541 PMAQI
2nd Sep 2025522 PMAQI
2nd Sep 2025463 PMAQI
2nd Sep 2025534 PMAQI
2nd Sep 2025475 PMAQI
2nd Sep 2025516 PMAQI
2nd Sep 2025507 PMAQI
2nd Sep 2025538 PMAQI
2nd Sep 2025539 PMAQI
2nd Sep 20255310 PMAQI
2nd Sep 20255411 PMAQI
3rd Sep 20255012 AMAQI
3rd Sep 2025481 AMAQI
3rd Sep 2025512 AMAQI
3rd Sep 2025503 AMAQI
3rd Sep 2025514 AMAQI
3rd Sep 2025495 AMAQI
28°C28/29°C
3rd Sep 2025486 AMAQI
3rd Sep 2025487 AMAQI
3rd Sep 2025448 AMAQI
3rd Sep 2025469 AMAQI
3rd Sep 20254810 AMAQI
3rd Sep 20255411 AMAQI
3rd Sep 20254612 PMAQI
3rd Sep 2025461 PMAQI
3rd Sep 2025442 PMAQI
3rd Sep 2025343 PMAQI
3rd Sep 2025374 PMAQI
3rd Sep 2025395 PMAQI
3rd Sep 2025376 PMAQI
3rd Sep 2025407 PMAQI
3rd Sep 2025448 PMAQI
3rd Sep 2025509 PMAQI
3rd Sep 20255210 PMAQI
3rd Sep 20254911 PMAQI
4th Sep 20254812 AMAQI
4th Sep 2025481 AMAQI
4th Sep 2025492 AMAQI
4th Sep 2025473 AMAQI
4th Sep 2025464 AMAQI
4th Sep 2025465 AMAQI
29°C27/30°C
4th Sep 2025466 AMAQI
4th Sep 2025447 AMAQI
4th Sep 2025558 AMAQI
4th Sep 2025549 AMAQI
4th Sep 20255410 AMAQI
4th Sep 20254811 AMAQI
4th Sep 20254412 PMAQI
4th Sep 2025411 PMAQI
4th Sep 2025382 PMAQI
4th Sep 2025653 PMAQI
4th Sep 2025584 PMAQI
4th Sep 2025545 PMAQI
4th Sep 2025496 PMAQI
4th Sep 2025397 PMAQI
4th Sep 2025398 PMAQI
4th Sep 2025559 PMAQI
4th Sep 20255010 PMAQI
4th Sep 20253311 PMAQI
5th Sep 20253812 AMAQI
5th Sep 2025471 AMAQI
5th Sep 2025472 AMAQI
5th Sep 2025463 AMAQI
5th Sep 2025454 AMAQI
5th Sep 2025475 AMAQI
29°C28/30°C
5th Sep 2025476 AMAQI
5th Sep 2025447 AMAQI
5th Sep 2025378 AMAQI
5th Sep 2025349 AMAQI
5th Sep 20253710 AMAQI
5th Sep 20253411 AMAQI
5th Sep 20254312 PMAQI
5th Sep 2025461 PMAQI
5th Sep 2025422 PMAQI
5th Sep 2025393 PMAQI
5th Sep 2025364 PMAQI
5th Sep 2025405 PMAQI
5th Sep 2025386 PMAQI
5th Sep 2025507 PMAQI
5th Sep 2025428 PMAQI
5th Sep 2025609 PMAQI
5th Sep 20255910 PMAQI
5th Sep 20254511 PMAQI
6th Sep 20254212 AMAQI
6th Sep 2025411 AMAQI
6th Sep 2025452 AMAQI
6th Sep 2025453 AMAQI
6th Sep 2025454 AMAQI
6th Sep 2025435 AMAQI
29°C28/30°C
6th Sep 2025416 AMAQI
6th Sep 2025387 AMAQI
6th Sep 2025408 AMAQI
6th Sep 2025489 AMAQI
6th Sep 20254810 AMAQI
6th Sep 20255011 AMAQI
6th Sep 20254912 PMAQI
6th Sep 2025511 PMAQI
6th Sep 2025432 PMAQI
6th Sep 2025503 PMAQI
6th Sep 2025504 PMAQI
6th Sep 2025565 PMAQI
6th Sep 2025566 PMAQI
6th Sep 2025527 PMAQI
6th Sep 2025548 PMAQI
6th Sep 2025569 PMAQI
6th Sep 20255610 PMAQI
6th Sep 20255011 PMAQI
7th Sep 20255212 AMAQI
7th Sep 2025431 AMAQI
7th Sep 2025372 AMAQI
7th Sep 2025483 AMAQI
7th Sep 2025464 AMAQI
7th Sep 2025445 AMAQI
29°C29/30°C
7th Sep 2025506 AMAQI
7th Sep 2025457 AMAQI
7th Sep 2025548 AMAQI
7th Sep 2025659 AMAQI
7th Sep 20254510 AMAQI
7th Sep 20255211 AMAQI
7th Sep 20254612 PMAQI
7th Sep 2025531 PMAQI
7th Sep 2025482 PMAQI
7th Sep 2025503 PMAQI
7th Sep 2025374 PMAQI
7th Sep 2025465 PMAQI
7th Sep 2025456 PMAQI
7th Sep 2025467 PMAQI
7th Sep 2025468 PMAQI
7th Sep 2025399 PMAQI
7th Sep 20254610 PMAQI
7th Sep 20254311 PMAQI
8th Sep 20253912 AMAQI
8th Sep 2025431 AMAQI
8th Sep 2025442 AMAQI
8th Sep 2025433 AMAQI
8th Sep 2025444 AMAQI
8th Sep 2025455 AMAQI
28°C26/29°C
8th Sep 2025486 AMAQI
8th Sep 2025447 AMAQI
8th Sep 2025218 AMAQI
8th Sep 2025309 AMAQI
8th Sep 20252610 AMAQI
8th Sep 20253211 AMAQI
8th Sep 20253412 PMAQI
8th Sep 2025251 PMAQI
8th Sep 2025272 PMAQI
8th Sep 2025263 PMAQI
8th Sep 2025264 PMAQI
8th Sep 2025305 PMAQI
8th Sep 2025296 PMAQI
8th Sep 2025437 PMAQI
8th Sep 2025468 PMAQI
8th Sep 2025489 PMAQI
8th Sep 20254810 PMAQI
8th Sep 20254211 PMAQI
9th Sep 20254612 AMAQI
9th Sep 2025431 AMAQI
9th Sep 2025472 AMAQI
9th Sep 2025433 AMAQI
9th Sep 2025434 AMAQI
9th Sep 2025405 AMAQI
28°C27/28°C
9th Sep 2025416 AMAQI
9th Sep 2025417 AMAQI
9th Sep 2025328 AMAQI
9th Sep 2025369 AMAQI
9th Sep 20253910 AMAQI
9th Sep 20253611 AMAQI
9th Sep 20253412 PMAQI
9th Sep 2025381 PMAQI
9th Sep 2025282 PMAQI
9th Sep 2025313 PMAQI
9th Sep 2025344 PMAQI
9th Sep 2025345 PMAQI
9th Sep 2025386 PMAQI
9th Sep 2025417 PMAQI
9th Sep 2025468 PMAQI
9th Sep 2025409 PMAQI
9th Sep 20254510 PMAQI
9th Sep 20254411 PMAQI
10th Sep 20254212 AMAQI
10th Sep 2025441 AMAQI
10th Sep 2025432 AMAQI
10th Sep 2025433 AMAQI
10th Sep 2025424 AMAQI
10th Sep 2025445 AMAQI
28°C28/28°C
10th Sep 2025436 AMAQI
10th Sep 2025427 AMAQI
10th Sep 2025358 AMAQI
10th Sep 2025389 AMAQI
10th Sep 20253210 AMAQI
10th Sep 20254111 AMAQI
10th Sep 20253512 PMAQI
10th Sep 2025431 PMAQI
10th Sep 2025342 PMAQI
10th Sep 2025363 PMAQI
10th Sep 2025324 PMAQI
10th Sep 2025345 PMAQI
10th Sep 2025296 PMAQI
10th Sep 2025407 PMAQI
10th Sep 2025448 PMAQI
10th Sep 2025439 PMAQI
10th Sep 20253910 PMAQI
10th Sep 20253911 PMAQI
11th Sep 20254112 AMAQI
11th Sep 2025411 AMAQI
11th Sep 2025442 AMAQI
11th Sep 2025413 AMAQI
11th Sep 2025404 AMAQI
11th Sep 2025405 AMAQI
28°C28/29°C
11th Sep 2025406 AMAQI
11th Sep 2025387 AMAQI
11th Sep 2025368 AMAQI
11th Sep 2025319 AMAQI
11th Sep 20253410 AMAQI
11th Sep 20253711 AMAQI
11th Sep 20254012 PMAQI
11th Sep 2025351 PMAQI
11th Sep 2025342 PMAQI
11th Sep 2025373 PMAQI
11th Sep 2025364 PMAQI
11th Sep 2025345 PMAQI
11th Sep 2025386 PMAQI
11th Sep 2025397 PMAQI
11th Sep 2025428 PMAQI
11th Sep 2025419 PMAQI
11th Sep 20253810 PMAQI
11th Sep 20253811 PMAQI
12th Sep 20254012 AMAQI
12th Sep 2025421 AMAQI
12th Sep 2025412 AMAQI
12th Sep 2025423 AMAQI
12th Sep 2025404 AMAQI
12th Sep 2025405 AMAQI
28°C28/29°C
12th Sep 2025396 AMAQI
12th Sep 2025397 AMAQI
12th Sep 2025308 AMAQI
12th Sep 2025359 AMAQI
12th Sep 20254710 AMAQI
12th Sep 20254711 AMAQI
12th Sep 20254212 PMAQI
12th Sep 2025421 PMAQI
12th Sep 2025392 PMAQI
12th Sep 2025323 PMAQI
12th Sep 2025374 PMAQI
12th Sep 2025365 PMAQI
12th Sep 2025366 PMAQI
12th Sep 2025407 PMAQI
12th Sep 2025428 PMAQI
12th Sep 2025419 PMAQI
12th Sep 20253410 PMAQI
12th Sep 20253811 PMAQI
13th Sep 20254212 AMAQI
13th Sep 2025431 AMAQI
13th Sep 2025432 AMAQI
13th Sep 2025413 AMAQI
13th Sep 2025424 AMAQI
13th Sep 2025425 AMAQI
29°C28/30°C
13th Sep 2025426 AMAQI
13th Sep 2025427 AMAQI
13th Sep 2025448 AMAQI
13th Sep 2025239 AMAQI
13th Sep 20253110 AMAQI
13th Sep 20253111 AMAQI
13th Sep 20253312 PMAQI
13th Sep 2025321 PMAQI
13th Sep 2025332 PMAQI
13th Sep 2025333 PMAQI
13th Sep 2025344 PMAQI
13th Sep 2025265 PMAQI
13th Sep 2025356 PMAQI
13th Sep 2025417 PMAQI
13th Sep 2025398 PMAQI
13th Sep 2025399 PMAQI
13th Sep 20254410 PMAQI
13th Sep 20253811 PMAQI
14th Sep 20254012 AMAQI
14th Sep 2025401 AMAQI
14th Sep 2025422 AMAQI
14th Sep 2025393 AMAQI
14th Sep 2025404 AMAQI
14th Sep 2025395 AMAQI
29°C28/30°C
14th Sep 2025386 AMAQI
14th Sep 2025387 AMAQI
14th Sep 2025368 AMAQI
14th Sep 2025449 AMAQI
14th Sep 20253510 AMAQI
14th Sep 20254611 AMAQI
14th Sep 20253612 PMAQI
14th Sep 2025401 PMAQI
14th Sep 2025372 PMAQI
14th Sep 2025293 PMAQI
14th Sep 2025324 PMAQI
14th Sep 2025345 PMAQI
14th Sep 2025386 PMAQI
14th Sep 2025407 PMAQI
14th Sep 2025418 PMAQI
14th Sep 2025429 PMAQI
14th Sep 20253610 PMAQI
14th Sep 20253911 PMAQI
15th Sep 20253712 AMAQI
15th Sep 2025441 AMAQI
15th Sep 2025432 AMAQI
15th Sep 2025413 AMAQI
15th Sep 2025424 AMAQI
15th Sep 2025425 AMAQI
29°C28/29°C
15th Sep 2025416 AMAQI
15th Sep 2025417 AMAQI
15th Sep 2025498 AMAQI
15th Sep 2025529 AMAQI
15th Sep 20255710 AMAQI
15th Sep 20254211 AMAQI
15th Sep 20253912 PMAQI
15th Sep 2025341 PMAQI
15th Sep 2025402 PMAQI
15th Sep 2025483 PMAQI
15th Sep 2025404 PMAQI
15th Sep 2025355 PMAQI
15th Sep 2025246 PMAQI
15th Sep 2025327 PMAQI
15th Sep 2025358 PMAQI
15th Sep 2025389 PMAQI
15th Sep 20254010 PMAQI
15th Sep 20254211 PMAQI
16th Sep 20253612 AMAQI
16th Sep 2025411 AMAQI
16th Sep 2025412 AMAQI
16th Sep 2025423 AMAQI
16th Sep 2025424 AMAQI
16th Sep 2025405 AMAQI
29°C28/30°C
16th Sep 2025426 AMAQI
16th Sep 2025417 AMAQI
16th Sep 2025328 AMAQI
16th Sep 2025299 AMAQI
16th Sep 20253010 AMAQI
16th Sep 20253511 AMAQI
16th Sep 20255112 PMAQI
16th Sep 2025471 PMAQI
16th Sep 2025342 PMAQI
16th Sep 2025403 PMAQI
16th Sep 2025404 PMAQI
16th Sep 2025385 PMAQI
16th Sep 2025366 PMAQI
16th Sep 2025507 PMAQI
16th Sep 2025418 PMAQI
16th Sep 2025449 PMAQI
16th Sep 20255610 PMAQI
16th Sep 20255711 PMAQI
17th Sep 20254712 AMAQI
17th Sep 2025421 AMAQI
17th Sep 2025432 AMAQI
17th Sep 2025403 AMAQI
17th Sep 2025384 AMAQI
17th Sep 2025385 AMAQI
29°C28/30°C
17th Sep 2025396 AMAQI
6 AM17th Sep 2025387 AMAQI
17th Sep 2025518 AMAQI
17th Sep 2025489 AMAQI
17th Sep 20254910 AMAQI
17th Sep 20255611 AMAQI
17th Sep 20256012 PMAQI
12 PM17th Sep 2025371 PMAQI
17th Sep 2025512 PMAQI
17th Sep 2025473 PMAQI
17th Sep 2025424 PMAQI
17th Sep 2025415 PMAQI
17th Sep 2025416 PMAQI
6 PM17th Sep 2025447 PMAQI
17th Sep 2025498 PMAQI
17th Sep 2025539 PMAQI
17th Sep 20255610 PMAQI
12 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 7 AM
44AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
2 PM - 6 PM
40AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 7 AM (Avg. 44), while the lowest AQI was between 2 PM to 6 PM (Avg. 40).
Night time
Avg. Highest Time
12 AM - 10 PM
45AQI
10 hours / Day
300 hours / Month
Avg. Lowest Time
12 AM - 11 PM
45AQI
11 hours / Day
330 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 10 PM (Avg. 45), while the lowest AQI was between 12 AM to 11 PM (Avg. 45).
2025 Days Vs Air Quality
Chuen Lung, Tsuen Wan, Hong Kong, China
2025
33%
85
61%
158
6%
16
Total number of days with different AQI categories in last 260 days in 2025 (105 days remaining)
Good
85 DaysModerate
158 DaysPoor
16 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 33%
Health Risk Level:
High
In 2025, 33% of 260 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
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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
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
2nd August 2025
53AQI
53AQI
3rd August 2025
53AQI
53AQI
4th August 2025
55AQI
55AQI
5th August 2025
49AQI
49AQI
6th August 2025
46AQI
46AQI
7th August 2025
50AQI
50AQI
8th August 2025
56AQI
56AQI
9th August 2025
54AQI
54AQI
10th August 2025
47AQI
47AQI
11th August 2025
47AQI
47AQI
12th August 2025
48AQI
48AQI
13th August 2025
52AQI
52AQI
14th August 2025
47AQI
47AQI
15th August 2025
42AQI
42AQI
16th August 2025
47AQI
47AQI
17th August 2025
46AQI
46AQI
18th August 2025
42AQI
42AQI
19th August 2025
40AQI
40AQI
20th August 2025
40AQI
40AQI
21st August 2025
40AQI
40AQI
22nd August 2025
44AQI
44AQI
23rd August 2025
47AQI
47AQI
24th August 2025
46AQI
46AQI
25th August 2025
45AQI
45AQI
26th August 2025
47AQI
47AQI
27th August 2025
48AQI
48AQI
28th August 2025
51AQI
51AQI
29th August 2025
47AQI
47AQI
30th August 2025
49AQI
49AQI
31st August 2025
48AQI
48AQI
1st September 2025
47AQI
47AQI
2nd September 2025
50AQI
50AQI
3rd September 2025
47AQI
47AQI
4th September 2025
47AQI
47AQI
5th September 2025
43AQI
43AQI
6th September 2025
48AQI
48AQI
7th September 2025
47AQI
47AQI
8th September 2025
37AQI
37AQI
9th September 2025
41AQI
41AQI
10th September 2025
41AQI
41AQI
11th September 2025
40AQI
40AQI
12th September 2025
38AQI
38AQI
13th September 2025
38AQI
38AQI
14th September 2025
39AQI
39AQI
15th September 2025
39AQI
39AQI
16th September 2025
41AQI
41AQI
17th September 2025
18th September 2025
19th September 2025
20th September 2025
21st September 2025
22nd September 2025
23rd September 2025
24th September 2025
25th September 2025
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
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
87AQI
73AQI
65AQI
74AQI
59AQI
45AQI
50AQI
48AQI
43AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202561AQI
21
10
1
25
2
4
27
26
4
5
26
21
9
15
16
23
8
16
85
158
16
Highest AQI recorded in
January87AQI
Lowest AQI recorded in
September43AQI
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
2023(Avg.)
63AQILeast Polluted Year Recorded
2020(Avg.)
53AQIChuen Lung's annual 2025 AQI (61) shows an average percentage change of 3.5% (worsened AQI) compared to previous years: 2020 (53), 2021 (62), 2022 (59), 2023 (63), 2024 (61).
