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
Tsuen Wan, Hong Kong, China
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
31st Aug 2022
112AQILowest AQI recorded on
2nd Aug 2026
24AQISame Day Analysis (7th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 46 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 7th Aug - 8th Aug 2026
Tsuen Wan, Hong Kong, China
AQI
Day
Night
.
5 AM7th Aug 2026
7 PM
4 AM8th Aug 2026
Day time
Avg. Highest Time
6PM7th Aug
64AQI
Avg. Lowest Time
9AM7th Aug
27AQI
Night time
Avg. Highest Time
10PM7th Aug
69AQI
Avg. Lowest Time
2AM8th Aug
30AQI
In the last 24 hours,
Tsuen Wan's AQI reached its highest point of 69 at 10 PM during the Night, while the lowest point, 27, was recorded at 9 AM during the Day between 7th Aug and 8th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Tsuen Wan, Hong Kong, China
JulAug
10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th
Day
Night
10th Jul 2026215 AMAQI
10th Jul 2026236 AMAQI
10th Jul 2026227 AMAQI
10th Jul 2026218 AMAQI
10th Jul 2026329 AMAQI
10th Jul 20262810 AMAQI
10th Jul 20262111 AMAQI
10th Jul 20263512 PMAQI
10th Jul 2026461 PMAQI
10th Jul 2026382 PMAQI
10th Jul 2026423 PMAQI
10th Jul 2026484 PMAQI
10th Jul 2026315 PMAQI
10th Jul 2026256 PMAQI
10th Jul 2026287 PMAQI
10th Jul 2026288 PMAQI
10th Jul 2026379 PMAQI
10th Jul 20265410 PMAQI
10th Jul 20265911 PMAQI
11th Jul 20265512 AMAQI
11th Jul 2026391 AMAQI
11th Jul 2026262 AMAQI
11th Jul 2026203 AMAQI
11th Jul 2026214 AMAQI
29°C27/30°C
11th Jul 2026245 AMAQI
11th Jul 2026236 AMAQI
11th Jul 2026247 AMAQI
11th Jul 2026258 AMAQI
11th Jul 2026339 AMAQI
11th Jul 20263510 AMAQI
11th Jul 20263111 AMAQI
11th Jul 20263412 PMAQI
11th Jul 2026371 PMAQI
11th Jul 2026362 PMAQI
11th Jul 2026323 PMAQI
11th Jul 2026394 PMAQI
11th Jul 2026555 PMAQI
11th Jul 2026716 PMAQI
11th Jul 2026747 PMAQI
11th Jul 2026728 PMAQI
11th Jul 2026729 PMAQI
11th Jul 20266710 PMAQI
11th Jul 20265911 PMAQI
12th Jul 20266212 AMAQI
12th Jul 2026441 AMAQI
12th Jul 2026252 AMAQI
12th Jul 2026233 AMAQI
12th Jul 2026234 AMAQI
29°C27/31°C
12th Jul 2026215 AMAQI
12th Jul 2026236 AMAQI
12th Jul 2026277 AMAQI
12th Jul 2026298 AMAQI
12th Jul 2026399 AMAQI
12th Jul 20264410 AMAQI
12th Jul 20263411 AMAQI
12th Jul 20263712 PMAQI
12th Jul 2026411 PMAQI
12th Jul 2026452 PMAQI
12th Jul 2026523 PMAQI
12th Jul 2026614 PMAQI
12th Jul 2026645 PMAQI
12th Jul 2026546 PMAQI
12th Jul 2026547 PMAQI
12th Jul 2026618 PMAQI
12th Jul 2026669 PMAQI
12th Jul 20265310 PMAQI
12th Jul 20264611 PMAQI
13th Jul 20265012 AMAQI
13th Jul 2026421 AMAQI
13th Jul 2026302 AMAQI
13th Jul 2026273 AMAQI
13th Jul 2026264 AMAQI
29°C28/30°C
13th Jul 2026245 AMAQI
13th Jul 2026226 AMAQI
13th Jul 2026187 AMAQI
13th Jul 2026178 AMAQI
13th Jul 2026239 AMAQI
13th Jul 20262710 AMAQI
13th Jul 20263211 AMAQI
13th Jul 20264612 PMAQI
13th Jul 2026591 PMAQI
13th Jul 2026592 PMAQI
13th Jul 2026583 PMAQI
13th Jul 2026554 PMAQI
13th Jul 2026465 PMAQI
13th Jul 2026366 PMAQI
13th Jul 2026287 PMAQI
13th Jul 2026248 PMAQI
13th Jul 2026229 PMAQI
13th Jul 20262710 PMAQI
13th Jul 20262811 PMAQI
14th Jul 20262612 AMAQI
14th Jul 2026171 AMAQI
14th Jul 202682 AMAQI
14th Jul 2026113 AMAQI
14th Jul 2026114 AMAQI
29°C28/30°C
14th Jul 2026115 AMAQI
14th Jul 2026106 AMAQI
14th Jul 202687 AMAQI
14th Jul 202688 AMAQI
14th Jul 2026109 AMAQI
14th Jul 20261110 AMAQI
14th Jul 20261211 AMAQI
14th Jul 20262012 PMAQI
14th Jul 2026221 PMAQI
14th Jul 2026252 PMAQI
14th Jul 2026283 PMAQI
14th Jul 2026204 PMAQI
14th Jul 2026155 PMAQI
14th Jul 2026156 PMAQI
14th Jul 2026127 PMAQI
14th Jul 202698 PMAQI
14th Jul 2026179 PMAQI
14th Jul 20263110 PMAQI
14th Jul 20263111 PMAQI
15th Jul 20263112 AMAQI
15th Jul 2026291 AMAQI
15th Jul 2026282 AMAQI
15th Jul 2026233 AMAQI
15th Jul 2026284 AMAQI
27°C26/28°C
15th Jul 2026225 AMAQI
15th Jul 2026276 AMAQI
15th Jul 2026267 AMAQI
15th Jul 2026268 AMAQI
15th Jul 2026279 AMAQI
15th Jul 20262210 AMAQI
15th Jul 20262311 AMAQI
15th Jul 20262012 PMAQI
15th Jul 2026181 PMAQI
15th Jul 2026202 PMAQI
15th Jul 2026333 PMAQI
15th Jul 2026474 PMAQI
15th Jul 2026335 PMAQI
15th Jul 2026226 PMAQI
15th Jul 2026387 PMAQI
15th Jul 2026488 PMAQI
15th Jul 2026509 PMAQI
15th Jul 20263810 PMAQI
15th Jul 20263811 PMAQI
16th Jul 20264912 AMAQI
16th Jul 2026451 AMAQI
16th Jul 2026372 AMAQI
16th Jul 2026283 AMAQI
16th Jul 2026214 AMAQI
27°C26/27°C
16th Jul 2026165 AMAQI
16th Jul 2026136 AMAQI
16th Jul 2026137 AMAQI
16th Jul 2026158 AMAQI
16th Jul 2026259 AMAQI
16th Jul 20262610 AMAQI
16th Jul 20262111 AMAQI
16th Jul 20262512 PMAQI
16th Jul 2026391 PMAQI
16th Jul 2026482 PMAQI
16th Jul 2026513 PMAQI
16th Jul 2026434 PMAQI
16th Jul 2026385 PMAQI
16th Jul 2026426 PMAQI
16th Jul 2026437 PMAQI
16th Jul 2026318 PMAQI
16th Jul 2026479 PMAQI
16th Jul 20266010 PMAQI
16th Jul 20266011 PMAQI
17th Jul 20265212 AMAQI
17th Jul 2026451 AMAQI
17th Jul 2026382 AMAQI
17th Jul 2026373 AMAQI
17th Jul 2026274 AMAQI
28°C27/29°C
17th Jul 2026185 AMAQI
17th Jul 2026216 AMAQI
17th Jul 2026247 AMAQI
17th Jul 2026358 AMAQI
17th Jul 2026489 AMAQI
17th Jul 20265010 AMAQI
17th Jul 20265311 AMAQI
17th Jul 20263812 PMAQI
17th Jul 2026241 PMAQI
17th Jul 2026442 PMAQI
17th Jul 2026603 PMAQI
17th Jul 2026564 PMAQI
17th Jul 2026625 PMAQI
17th Jul 2026686 PMAQI
17th Jul 2026627 PMAQI
17th Jul 2026398 PMAQI
17th Jul 2026419 PMAQI
17th Jul 20265410 PMAQI
17th Jul 20265811 PMAQI
18th Jul 20265812 AMAQI
18th Jul 2026481 AMAQI
18th Jul 2026362 AMAQI
18th Jul 2026363 AMAQI
18th Jul 2026364 AMAQI
28°C27/30°C
18th Jul 2026365 AMAQI
18th Jul 2026366 AMAQI
18th Jul 2026367 AMAQI
18th Jul 2026308 AMAQI
18th Jul 2026409 AMAQI
18th Jul 20264310 AMAQI
18th Jul 20263411 AMAQI
18th Jul 20263512 PMAQI
18th Jul 2026411 PMAQI
18th Jul 2026442 PMAQI
18th Jul 2026423 PMAQI
18th Jul 2026534 PMAQI
18th Jul 2026605 PMAQI
18th Jul 2026506 PMAQI
18th Jul 2026447 PMAQI
18th Jul 2026528 PMAQI
18th Jul 2026419 PMAQI
18th Jul 20264410 PMAQI
18th Jul 20265311 PMAQI
19th Jul 20264812 AMAQI
19th Jul 2026461 AMAQI
19th Jul 2026322 AMAQI
19th Jul 2026323 AMAQI
19th Jul 2026344 AMAQI
29°C27/30°C
19th Jul 2026345 AMAQI
19th Jul 2026306 AMAQI
19th Jul 2026327 AMAQI
19th Jul 2026348 AMAQI
19th Jul 2026389 AMAQI
19th Jul 20264310 AMAQI
19th Jul 20264611 AMAQI
19th Jul 20264012 PMAQI
19th Jul 2026341 PMAQI
19th Jul 2026252 PMAQI
19th Jul 2026313 PMAQI
19th Jul 2026384 PMAQI
19th Jul 2026395 PMAQI
19th Jul 2026456 PMAQI
19th Jul 2026457 PMAQI
19th Jul 2026498 PMAQI
19th Jul 2026529 PMAQI
19th Jul 20265410 PMAQI
19th Jul 20265211 PMAQI
20th Jul 20264712 AMAQI
20th Jul 2026411 AMAQI
20th Jul 2026452 AMAQI
20th Jul 2026433 AMAQI
20th Jul 2026444 AMAQI
28°C27/30°C
20th Jul 2026505 AMAQI
20th Jul 2026506 AMAQI
20th Jul 2026517 AMAQI
20th Jul 2026488 AMAQI
20th Jul 2026489 AMAQI
20th Jul 20264110 AMAQI
20th Jul 20263611 AMAQI
20th Jul 20263412 PMAQI
20th Jul 2026361 PMAQI
20th Jul 2026382 PMAQI
20th Jul 2026403 PMAQI
20th Jul 2026434 PMAQI
20th Jul 2026545 PMAQI
20th Jul 2026566 PMAQI
20th Jul 2026587 PMAQI
20th Jul 2026648 PMAQI
20th Jul 2026609 PMAQI
20th Jul 20266110 PMAQI
20th Jul 20266211 PMAQI
21st Jul 20266312 AMAQI
21st Jul 2026581 AMAQI
21st Jul 2026562 AMAQI
21st Jul 2026583 AMAQI
21st Jul 2026564 AMAQI
28°C27/29°C
21st Jul 2026585 AMAQI
21st Jul 2026566 AMAQI
21st Jul 2026567 AMAQI
21st Jul 2026548 AMAQI
21st Jul 2026559 AMAQI
21st Jul 20265610 AMAQI
21st Jul 20265812 PMAQI
21st Jul 2026581 PMAQI
21st Jul 2026582 PMAQI
21st Jul 2026543 PMAQI
21st Jul 2026544 PMAQI
21st Jul 2026495 PMAQI
21st Jul 2026926 PMAQI
21st Jul 2026507 PMAQI
21st Jul 2026508 PMAQI
21st Jul 2026559 PMAQI
21st Jul 20265610 PMAQI
21st Jul 20265711 PMAQI
22nd Jul 20266112 AMAQI
22nd Jul 2026621 AMAQI
22nd Jul 2026632 AMAQI
22nd Jul 2026613 AMAQI
22nd Jul 2026604 AMAQI
28°C27/29°C
22nd Jul 2026565 AMAQI
22nd Jul 2026576 AMAQI
22nd Jul 2026587 AMAQI
22nd Jul 2026548 AMAQI
22nd Jul 2026569 AMAQI
22nd Jul 20265610 AMAQI
22nd Jul 20265511 AMAQI
22nd Jul 20265612 PMAQI
22nd Jul 2026561 PMAQI
22nd Jul 2026582 PMAQI
22nd Jul 2026553 PMAQI
22nd Jul 2026584 PMAQI
22nd Jul 2026555 PMAQI
22nd Jul 2026546 PMAQI
22nd Jul 2026487 PMAQI
22nd Jul 2026508 PMAQI
22nd Jul 2026539 PMAQI
22nd Jul 20265410 PMAQI
22nd Jul 20265611 PMAQI
23rd Jul 20265512 AMAQI
23rd Jul 2026521 AMAQI
23rd Jul 2026522 AMAQI
23rd Jul 2026543 AMAQI
23rd Jul 2026504 AMAQI
28°C27/30°C
23rd Jul 2026505 AMAQI
23rd Jul 2026506 AMAQI
23rd Jul 2026517 AMAQI
23rd Jul 2026528 AMAQI
23rd Jul 2026549 AMAQI
23rd Jul 20265610 AMAQI
23rd Jul 20265811 AMAQI
23rd Jul 20266112 PMAQI
23rd Jul 2026601 PMAQI
23rd Jul 2026612 PMAQI
23rd Jul 2026623 PMAQI
23rd Jul 2026634 PMAQI
23rd Jul 2026585 PMAQI
23rd Jul 2026576 PMAQI
23rd Jul 2026607 PMAQI
23rd Jul 2026588 PMAQI
23rd Jul 2026629 PMAQI
23rd Jul 20266210 PMAQI
23rd Jul 20266411 PMAQI
24th Jul 20266412 AMAQI
24th Jul 2026611 AMAQI
24th Jul 2026562 AMAQI
24th Jul 2026543 AMAQI
24th Jul 2026504 AMAQI
28°C27/30°C
24th Jul 2026485 AMAQI
24th Jul 2026456 AMAQI
24th Jul 2026447 AMAQI
24th Jul 2026478 AMAQI
24th Jul 2026479 AMAQI
24th Jul 20264910 AMAQI
24th Jul 20265611 AMAQI
24th Jul 20265912 PMAQI
24th Jul 2026591 PMAQI
24th Jul 2026572 PMAQI
24th Jul 2026583 PMAQI
24th Jul 2026584 PMAQI
24th Jul 2026625 PMAQI
24th Jul 2026636 PMAQI
24th Jul 2026647 PMAQI
24th Jul 2026678 PMAQI
24th Jul 2026789 PMAQI
24th Jul 20267410 PMAQI
24th Jul 20267011 PMAQI
25th Jul 20267212 AMAQI
25th Jul 2026661 AMAQI
25th Jul 2026622 AMAQI
25th Jul 2026633 AMAQI
25th Jul 2026604 AMAQI
29°C27/31°C
25th Jul 2026595 AMAQI
25th Jul 2026616 AMAQI
25th Jul 2026607 AMAQI
25th Jul 2026598 AMAQI
25th Jul 2026609 AMAQI
25th Jul 20266010 AMAQI
25th Jul 20266211 AMAQI
25th Jul 20266412 PMAQI
25th Jul 2026741 PMAQI
25th Jul 2026872 PMAQI
25th Jul 2026973 PMAQI
25th Jul 2026954 PMAQI
25th Jul 2026865 PMAQI
25th Jul 2026876 PMAQI
25th Jul 2026767 PMAQI
25th Jul 2026568 PMAQI
25th Jul 2026589 PMAQI
25th Jul 20265610 PMAQI
25th Jul 20265611 PMAQI
26th Jul 20265812 AMAQI
26th Jul 2026581 AMAQI
26th Jul 2026562 AMAQI
26th Jul 2026323 AMAQI
26th Jul 2026124 AMAQI
28°C27/30°C
26th Jul 2026165 AMAQI
26th Jul 2026166 AMAQI
26th Jul 2026167 AMAQI
26th Jul 2026208 AMAQI
26th Jul 2026199 AMAQI
26th Jul 20261610 AMAQI
26th Jul 20261611 AMAQI
26th Jul 20261612 PMAQI
26th Jul 2026181 PMAQI
26th Jul 2026202 PMAQI
26th Jul 2026233 PMAQI
26th Jul 2026244 PMAQI
26th Jul 2026325 PMAQI
26th Jul 2026366 PMAQI
26th Jul 2026347 PMAQI
26th Jul 2026228 PMAQI
26th Jul 2026209 PMAQI
26th Jul 20261610 PMAQI
26th Jul 20262011 PMAQI
27th Jul 20262912 AMAQI
27th Jul 2026271 AMAQI
27th Jul 2026262 AMAQI
27th Jul 2026293 AMAQI
27th Jul 2026224 AMAQI
26°C25/27°C
27th Jul 2026205 AMAQI
27th Jul 2026206 AMAQI
27th Jul 2026197 AMAQI
27th Jul 2026218 AMAQI
27th Jul 2026219 AMAQI
27th Jul 20262410 AMAQI
27th Jul 20262811 AMAQI
27th Jul 20263612 PMAQI
27th Jul 2026421 PMAQI
27th Jul 2026402 PMAQI
27th Jul 2026383 PMAQI
27th Jul 2026384 PMAQI
27th Jul 2026415 PMAQI
27th Jul 2026466 PMAQI
27th Jul 2026537 PMAQI
27th Jul 2026568 PMAQI
27th Jul 2026589 PMAQI
27th Jul 20265610 PMAQI
27th Jul 20264811 PMAQI
28th Jul 20264412 AMAQI
28th Jul 2026421 AMAQI
28th Jul 2026322 AMAQI
28th Jul 2026263 AMAQI
28th Jul 2026224 AMAQI
27°C26/27°C
28th Jul 2026235 AMAQI
28th Jul 2026246 AMAQI
28th Jul 2026237 AMAQI
28th Jul 2026238 AMAQI
28th Jul 2026259 AMAQI
28th Jul 20262310 AMAQI
28th Jul 20262511 AMAQI
28th Jul 20263212 PMAQI
28th Jul 2026451 PMAQI
28th Jul 2026512 PMAQI
28th Jul 2026463 PMAQI
28th Jul 2026504 PMAQI
28th Jul 2026385 PMAQI
28th Jul 2026206 PMAQI
28th Jul 2026297 PMAQI
28th Jul 2026378 PMAQI
28th Jul 2026469 PMAQI
28th Jul 20265310 PMAQI
28th Jul 20265011 PMAQI
29th Jul 20264512 AMAQI
29th Jul 2026371 AMAQI
29th Jul 2026302 AMAQI
29th Jul 2026243 AMAQI
29th Jul 2026244 AMAQI
27°C26/29°C
29th Jul 2026165 AMAQI
29th Jul 2026166 AMAQI
29th Jul 2026127 AMAQI
29th Jul 2026148 AMAQI
29th Jul 2026189 AMAQI
29th Jul 20262510 AMAQI
29th Jul 20262311 AMAQI
29th Jul 20262312 PMAQI
29th Jul 2026271 PMAQI
29th Jul 2026412 PMAQI
29th Jul 2026543 PMAQI
29th Jul 2026554 PMAQI
29th Jul 2026525 PMAQI
29th Jul 2026466 PMAQI
29th Jul 2026447 PMAQI
29th Jul 2026508 PMAQI
29th Jul 2026569 PMAQI
29th Jul 20266210 PMAQI
29th Jul 20266011 PMAQI
30th Jul 20265412 AMAQI
30th Jul 2026421 AMAQI
30th Jul 2026372 AMAQI
30th Jul 2026443 AMAQI
30th Jul 2026484 AMAQI
26°C25/27°C
30th Jul 2026365 AMAQI
30th Jul 2026266 AMAQI
30th Jul 2026297 AMAQI
30th Jul 2026278 AMAQI
30th Jul 2026249 AMAQI
30th Jul 20262910 AMAQI
30th Jul 20263411 AMAQI
30th Jul 20263312 PMAQI
30th Jul 2026321 PMAQI
30th Jul 2026372 PMAQI
30th Jul 2026303 PMAQI
30th Jul 2026294 PMAQI
30th Jul 2026245 PMAQI
30th Jul 2026266 PMAQI
30th Jul 2026317 PMAQI
30th Jul 2026368 PMAQI
30th Jul 2026469 PMAQI
30th Jul 20265110 PMAQI
30th Jul 20265211 PMAQI
31st Jul 20265112 AMAQI
31st Jul 2026481 AMAQI
31st Jul 2026382 AMAQI
31st Jul 2026463 AMAQI
31st Jul 2026484 AMAQI
27°C26/29°C
31st Jul 2026435 AMAQI
31st Jul 2026396 AMAQI
31st Jul 2026327 AMAQI
31st Jul 2026298 AMAQI
31st Jul 2026279 AMAQI
31st Jul 20262910 AMAQI
31st Jul 20262311 AMAQI
31st Jul 20262712 PMAQI
31st Jul 2026291 PMAQI
31st Jul 2026232 PMAQI
31st Jul 2026223 PMAQI
31st Jul 2026244 PMAQI
31st Jul 2026285 PMAQI
31st Jul 2026286 PMAQI
31st Jul 2026247 PMAQI
31st Jul 2026248 PMAQI
31st Jul 2026339 PMAQI
31st Jul 20264310 PMAQI
31st Jul 20264711 PMAQI
1st Aug 20264512 AMAQI
1st Aug 2026451 AMAQI
1st Aug 2026392 AMAQI
1st Aug 2026303 AMAQI
1st Aug 2026244 AMAQI
27°C26/27°C
1st Aug 2026265 AMAQI
1st Aug 2026236 AMAQI
1st Aug 2026267 AMAQI
1st Aug 2026278 AMAQI
1st Aug 2026249 AMAQI
1st Aug 20262310 AMAQI
1st Aug 20262311 AMAQI
1st Aug 20262312 PMAQI
1st Aug 2026261 PMAQI
1st Aug 2026242 PMAQI
1st Aug 2026243 PMAQI
1st Aug 2026214 PMAQI
1st Aug 2026255 PMAQI
1st Aug 2026226 PMAQI
1st Aug 2026247 PMAQI
1st Aug 2026238 PMAQI
1st Aug 2026229 PMAQI
1st Aug 20262110 PMAQI
1st Aug 20262311 PMAQI
2nd Aug 20262512 AMAQI
2nd Aug 2026231 AMAQI
2nd Aug 2026252 AMAQI
2nd Aug 2026233 AMAQI
2nd Aug 2026274 AMAQI
26°C25/26°C
2nd Aug 2026245 AMAQI
2nd Aug 2026216 AMAQI
2nd Aug 2026217 AMAQI
2nd Aug 2026218 AMAQI
2nd Aug 2026219 AMAQI
2nd Aug 20262110 AMAQI
2nd Aug 20262111 AMAQI
2nd Aug 20262312 PMAQI
2nd Aug 2026231 PMAQI
2nd Aug 2026232 PMAQI
2nd Aug 2026243 PMAQI
2nd Aug 2026274 PMAQI
2nd Aug 2026245 PMAQI
2nd Aug 2026246 PMAQI
2nd Aug 2026247 PMAQI
2nd Aug 2026228 PMAQI
2nd Aug 2026279 PMAQI
2nd Aug 20262710 PMAQI
2nd Aug 20262911 PMAQI
3rd Aug 20262612 AMAQI
3rd Aug 2026261 AMAQI
3rd Aug 2026202 AMAQI
3rd Aug 2026253 AMAQI
3rd Aug 2026184 AMAQI
26°C25/26°C
3rd Aug 2026145 AMAQI
3rd Aug 2026166 AMAQI
3rd Aug 2026187 AMAQI
3rd Aug 2026168 AMAQI
3rd Aug 2026189 AMAQI
3rd Aug 20262110 AMAQI
3rd Aug 20262411 AMAQI
3rd Aug 20262412 PMAQI
3rd Aug 2026281 PMAQI
3rd Aug 2026402 PMAQI
3rd Aug 2026463 PMAQI
3rd Aug 2026414 PMAQI
3rd Aug 2026395 PMAQI
3rd Aug 2026386 PMAQI
3rd Aug 2026417 PMAQI
3rd Aug 2026408 PMAQI
3rd Aug 2026459 PMAQI
3rd Aug 20265310 PMAQI
3rd Aug 20265611 PMAQI
4th Aug 20264912 AMAQI
4th Aug 2026401 AMAQI
4th Aug 2026322 AMAQI
4th Aug 2026273 AMAQI
4th Aug 2026394 AMAQI
26°C25/27°C
4th Aug 2026405 AMAQI
4th Aug 2026436 AMAQI
4th Aug 2026437 AMAQI
4th Aug 2026448 AMAQI
4th Aug 2026509 AMAQI
4th Aug 20265010 AMAQI
4th Aug 20264411 AMAQI
4th Aug 20263212 PMAQI
4th Aug 2026301 PMAQI
4th Aug 2026362 PMAQI
4th Aug 2026343 PMAQI
4th Aug 2026324 PMAQI
4th Aug 2026325 PMAQI
4th Aug 2026296 PMAQI
4th Aug 2026327 PMAQI
4th Aug 2026368 PMAQI
4th Aug 2026389 PMAQI
4th Aug 20264010 PMAQI
4th Aug 20263811 PMAQI
5th Aug 20264012 AMAQI
5th Aug 2026521 AMAQI
5th Aug 2026482 AMAQI
5th Aug 2026413 AMAQI
5th Aug 2026424 AMAQI
27°C26/29°C
5th Aug 2026405 AMAQI
5th Aug 2026446 AMAQI
5th Aug 2026387 AMAQI
5th Aug 2026288 AMAQI
5th Aug 2026279 AMAQI
5th Aug 20262710 AMAQI
5th Aug 20263011 AMAQI
5th Aug 20263612 PMAQI
5th Aug 2026471 PMAQI
5th Aug 2026522 PMAQI
5th Aug 2026503 PMAQI
5th Aug 2026504 PMAQI
5th Aug 2026525 PMAQI
5th Aug 2026506 PMAQI
5th Aug 2026527 PMAQI
5th Aug 2026548 PMAQI
5th Aug 2026559 PMAQI
5th Aug 20266010 PMAQI
5th Aug 20266011 PMAQI
6th Aug 20265512 AMAQI
6th Aug 2026511 AMAQI
6th Aug 2026522 AMAQI
6th Aug 2026523 AMAQI
6th Aug 2026494 AMAQI
28°C26/30°C
6th Aug 2026505 AMAQI
6th Aug 2026486 AMAQI
6th Aug 2026487 AMAQI
6th Aug 2026488 AMAQI
6th Aug 2026509 AMAQI
6th Aug 20265210 AMAQI
6th Aug 20265411 AMAQI
6th Aug 20265412 PMAQI
6th Aug 2026601 PMAQI
6th Aug 2026572 PMAQI
6th Aug 2026543 PMAQI
6th Aug 2026524 PMAQI
6th Aug 2026545 PMAQI
6th Aug 2026526 PMAQI
6th Aug 2026487 PMAQI
6th Aug 2026488 PMAQI
6th Aug 2026459 PMAQI
6th Aug 20264510 PMAQI
6th Aug 20264611 PMAQI
7th Aug 20264112 AMAQI
7th Aug 2026391 AMAQI
7th Aug 2026392 AMAQI
7th Aug 2026373 AMAQI
7th Aug 2026324 AMAQI
28°C26/30°C
7th Aug 2026305 AMAQI
7th Aug 2026276 AMAQI
7th Aug 2026287 AMAQI
7th Aug 2026288 AMAQI
7th Aug 2026279 AMAQI
7th Aug 20263110 AMAQI
7th Aug 20263811 AMAQI
7th Aug 20266112 PMAQI
7th Aug 2026391 PMAQI
7th Aug 2026522 PMAQI
7th Aug 2026573 PMAQI
7th Aug 2026584 PMAQI
7th Aug 2026625 PMAQI
7th Aug 2026646 PMAQI
7th Aug 2026647 PMAQI
7th Aug 2026648 PMAQI
7th Aug 2026639 PMAQI
7th Aug 20266910 PMAQI
7th Aug 20266611 PMAQI
8th Aug 20266412 AMAQI
8th Aug 2026451 AMAQI
8th Aug 2026302 AMAQI
8th Aug 2026343 AMAQI
8th Aug 2026384 AMAQI
29°C27/31°C
8th Aug 2026365 AMAQI
5 AM8th Aug 2026426 AMAQI
8th Aug 2026507 AMAQI
8th Aug 2026608 AMAQI
8th Aug 2026689 AMAQI
8th Aug 20268010 AMAQI
8th Aug 20268611 AMAQI
8th Aug 202610012 PMAQI
12 PM8th Aug 20261021 PMAQI
8th Aug 20261042 PMAQI
8th Aug 2026983 PMAQI
8th Aug 20261064 PMAQI
8th Aug 20261045 PMAQI
8th Aug 20261006 PMAQI
8th Aug 2026987 PMAQI
7 PM8th Aug 20261008 PMAQI
8th Aug 20261059 PMAQI
8th Aug 20269010 PMAQI
8th Aug 20267211 PMAQI
12 AM
4 AM
30°C28/33°C
Day time
Avg. Highest Time
3 PM - 7 PM
47AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
5 AM - 8 AM
32AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 PM to 7 PM (Avg. 47), while the lowest AQI was between 5 AM to 8 AM (Avg. 32).
Night time
Avg. Highest Time
10 PM - 11 PM
51AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
3 AM - 4 AM
35AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 11 PM (Avg. 51), while the lowest AQI was between 3 AM to 4 AM (Avg. 35).
2026 Days Vs Air Quality
Tsuen Wan, Hong Kong, China
2026
40%
88
58%
128
1%
3
Total number of days with different AQI categories in last 220 days in 2026 (145 days remaining)
Good
88 DaysModerate
128 DaysPoor
3 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 40%
Health Risk Level:
Significant
In 2026, 40% of 220 days were within WHO’s safe air quality limits, and 60% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart 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
68AQI (US)
68AQI (US)
2nd January 2026
62AQI (US)
62AQI (US)
3rd January 2026
54AQI (US)
54AQI (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
58AQI (US)
58AQI (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
80AQI (US)
80AQI (US)
16th January 2026
78AQI (US)
78AQI (US)
17th January 2026
72AQI (US)
72AQI (US)
18th January 2026
72AQI (US)
72AQI (US)
19th January 2026
85AQI (US)
85AQI (US)
20th January 2026
54AQI (US)
54AQI (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
64AQI (US)
64AQI (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
82AQI (US)
82AQI (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
64AQI (US)
64AQI (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
82AQI (US)
82AQI (US)
24th February 2026
70AQI (US)
70AQI (US)
25th February 2026
66AQI (US)
66AQI (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
55AQI (US)
55AQI (US)
6th March 2026
47AQI (US)
47AQI (US)
7th March 2026
60AQI (US)
60AQI (US)
8th March 2026
68AQI (US)
68AQI (US)
9th March 2026
64AQI (US)
64AQI (US)
10th March 2026
50AQI (US)
50AQI (US)
11th March 2026
60AQI (US)
60AQI (US)
12th March 2026
70AQI (US)
70AQI (US)
13th March 2026
61AQI (US)
61AQI (US)
14th March 2026
60AQI (US)
60AQI (US)
15th March 2026
62AQI (US)
62AQI (US)
16th March 2026
59AQI (US)
59AQI (US)
17th March 2026
52AQI (US)
52AQI (US)
18th March 2026
54AQI (US)
54AQI (US)
19th March 2026
60AQI (US)
60AQI (US)
20th March 2026
64AQI (US)
64AQI (US)
21st March 2026
72AQI (US)
72AQI (US)
22nd March 2026
62AQI (US)
62AQI (US)
23rd March 2026
78AQI (US)
78AQI (US)
24th March 2026
70AQI (US)
70AQI (US)
25th March 2026
70AQI (US)
70AQI (US)
26th March 2026
64AQI (US)
64AQI (US)
27th March 2026
76AQI (US)
76AQI (US)
28th March 2026
63AQI (US)
63AQI (US)
29th March 2026
64AQI (US)
64AQI (US)
30th March 2026
60AQI (US)
60AQI (US)
31st March 2026
66AQI (US)
66AQI (US)
1st April 2026
64AQI (US)
64AQI (US)
2nd April 2026
54AQI (US)
54AQI (US)
3rd April 2026
80AQI (US)
80AQI (US)
4th April 2026
68AQI (US)
68AQI (US)
5th April 2026
50AQI (US)
50AQI (US)
6th April 2026
54AQI (US)
54AQI (US)
7th April 2026
54AQI (US)
54AQI (US)
8th April 2026
59AQI (US)
59AQI (US)
9th April 2026
60AQI (US)
60AQI (US)
10th April 2026
56AQI (US)
56AQI (US)
11th April 2026
63AQI (US)
63AQI (US)
12th April 2026
50AQI (US)
50AQI (US)
13th April 2026
47AQI (US)
47AQI (US)
14th April 2026
50AQI (US)
50AQI (US)
15th April 2026
56AQI (US)
56AQI (US)
16th April 2026
54AQI (US)
54AQI (US)
17th April 2026
53AQI (US)
53AQI (US)
18th April 2026
100AQI (US)
100AQI (US)
19th April 2026
114AQI (US)
114AQI (US)
20th April 2026
98AQI (US)
98AQI (US)
21st April 2026
66AQI (US)
66AQI (US)
22nd April 2026
66AQI (US)
66AQI (US)
23rd April 2026
67AQI (US)
67AQI (US)
24th April 2026
42AQI (US)
42AQI (US)
25th April 2026
50AQI (US)
50AQI (US)
26th April 2026
70AQI (US)
70AQI (US)
27th April 2026
60AQI (US)
60AQI (US)
28th April 2026
57AQI (US)
57AQI (US)
29th April 2026
54AQI (US)
54AQI (US)
30th April 2026
42AQI (US)
42AQI (US)
1st May 2026
50AQI (US)
50AQI (US)
2nd May 2026
62AQI (US)
62AQI (US)
3rd May 2026
56AQI (US)
56AQI (US)
4th May 2026
48AQI (US)
48AQI (US)
5th May 2026
50AQI (US)
50AQI (US)
6th May 2026
55AQI (US)
55AQI (US)
7th May 2026
54AQI (US)
54AQI (US)
8th May 2026
64AQI (US)
64AQI (US)
9th May 2026
63AQI (US)
63AQI (US)
10th May 2026
64AQI (US)
64AQI (US)
11th May 2026
84AQI (US)
84AQI (US)
12th May 2026
69AQI (US)
69AQI (US)
13th May 2026
33AQI (US)
33AQI (US)
14th May 2026
28AQI (US)
28AQI (US)
15th May 2026
35AQI (US)
35AQI (US)
16th May 2026
49AQI (US)
49AQI (US)
17th May 2026
40AQI (US)
40AQI (US)
18th May 2026
45AQI (US)
45AQI (US)
19th May 2026
37AQI (US)
37AQI (US)
20th May 2026
60AQI (US)
60AQI (US)
21st May 2026
79AQI (US)
79AQI (US)
22nd May 2026
88AQI (US)
88AQI (US)
23rd May 2026
84AQI (US)
84AQI (US)
24th May 2026
78AQI (US)
78AQI (US)
25th May 2026
70AQI (US)
70AQI (US)
26th May 2026
45AQI (US)
45AQI (US)
27th May 2026
42AQI (US)
42AQI (US)
28th May 2026
50AQI (US)
50AQI (US)
29th May 2026
58AQI (US)
58AQI (US)
30th May 2026
70AQI (US)
70AQI (US)
31st May 2026
72AQI (US)
72AQI (US)
1st June 2026
70AQI (US)
70AQI (US)
2nd June 2026
60AQI (US)
60AQI (US)
3rd June 2026
59AQI (US)
59AQI (US)
4th June 2026
62AQI (US)
62AQI (US)
5th June 2026
53AQI (US)
53AQI (US)
6th June 2026
43AQI (US)
43AQI (US)
7th June 2026
48AQI (US)
48AQI (US)
8th June 2026
44AQI (US)
44AQI (US)
9th June 2026
44AQI (US)
44AQI (US)
10th June 2026
43AQI (US)
43AQI (US)
11th June 2026
46AQI (US)
46AQI (US)
12th June 2026
61AQI (US)
61AQI (US)
13th June 2026
38AQI (US)
38AQI (US)
14th June 2026
30AQI (US)
30AQI (US)
15th June 2026
24AQI (US)
24AQI (US)
16th June 2026
26AQI (US)
26AQI (US)
17th June 2026
24AQI (US)
24AQI (US)
18th June 2026
25AQI (US)
25AQI (US)
19th June 2026
24AQI (US)
24AQI (US)
20th June 2026
20AQI (US)
20AQI (US)
21st June 2026
28AQI (US)
28AQI (US)
22nd June 2026
20AQI (US)
20AQI (US)
23rd June 2026
24AQI (US)
24AQI (US)
24th June 2026
36AQI (US)
36AQI (US)
25th June 2026
34AQI (US)
34AQI (US)
26th June 2026
36AQI (US)
36AQI (US)
27th June 2026
33AQI (US)
33AQI (US)
28th June 2026
34AQI (US)
34AQI (US)
29th June 2026
36AQI (US)
36AQI (US)
30th June 2026
22AQI (US)
22AQI (US)
1st July 2026
23AQI (US)
23AQI (US)
2nd July 2026
22AQI (US)
22AQI (US)
3rd July 2026
24AQI (US)
24AQI (US)
4th July 2026
24AQI (US)
24AQI (US)
5th July 2026
21AQI (US)
21AQI (US)
6th July 2026
22AQI (US)
22AQI (US)
7th July 2026
24AQI (US)
24AQI (US)
8th July 2026
24AQI (US)
24AQI (US)
9th July 2026
29AQI (US)
29AQI (US)
10th July 2026
34AQI (US)
34AQI (US)
11th July 2026
42AQI (US)
42AQI (US)
12th July 2026
42AQI (US)
42AQI (US)
13th July 2026
34AQI (US)
34AQI (US)
14th July 2026
16AQI (US)
16AQI (US)
15th July 2026
30AQI (US)
30AQI (US)
16th July 2026
35AQI (US)
35AQI (US)
17th July 2026
44AQI (US)
44AQI (US)
18th July 2026
42AQI (US)
42AQI (US)
19th July 2026
40AQI (US)
40AQI (US)
20th July 2026
48AQI (US)
48AQI (US)
21st July 2026
58AQI (US)
58AQI (US)
22nd July 2026
56AQI (US)
56AQI (US)
23rd July 2026
57AQI (US)
57AQI (US)
24th July 2026
58AQI (US)
58AQI (US)
25th July 2026
68AQI (US)
68AQI (US)
26th July 2026
26AQI (US)
26AQI (US)
27th July 2026
34AQI (US)
34AQI (US)
28th July 2026
34AQI (US)
34AQI (US)
29th July 2026
36AQI (US)
36AQI (US)
30th July 2026
36AQI (US)
36AQI (US)
31st July 2026
34AQI (US)
34AQI (US)
1st August 2026
26AQI (US)
26AQI (US)
2nd August 2026
24AQI (US)
24AQI (US)
3rd August 2026
30AQI (US)
30AQI (US)
4th August 2026
38AQI (US)
38AQI (US)
5th August 2026
44AQI (US)
44AQI (US)
6th August 2026
51AQI (US)
51AQI (US)
7th August 2026
46AQI (US)
46AQI (US)
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)
60AQI (US)
62AQI (US)
57AQI (US)
38AQI (US)
36AQI (US)
37AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202655AQI (US)
1
28
2
6
22
5
26
7
22
1
13
18
24
6
26
5
6
1
88
128
3
Highest AQI (US) recorded in
January74AQI (US)
Lowest AQI (US) recorded in
July36AQI (US)
202562AQI (US)
26
5
2
24
2
6
25
1
26
3
10
21
25
5
19
12
14
17
27
3
6
25
5
24
1
1
26
4
116
234
15
Highest AQI (US) recorded in
January84AQI (US)
Lowest AQI (US) recorded in
June40AQI (US)
202458AQI (US)
4
23
3
5
24
2
29
10
20
12
19
28
1
29
2
22
9
17
13
4
27
7
23
23
8
140
213
11
Highest AQI (US) recorded in
December90AQI (US)
Lowest AQI (US) recorded in
July30AQI (US)
202359AQI (US)
5
25
1
4
22
2
6
23
2
3
27
8
22
1
26
4
25
6
23
8
22
8
7
24
6
23
5
23
3
140
215
9
Highest AQI (US) recorded in
December76AQI (US)
Lowest AQI (US) recorded in
July41AQI (US)
202257AQI (US)
6
22
2
10
10
1
16
14
1
7
23
19
12
30
21
1
1
3
19
7
4
27
9
21
7
22
2
132
171
14
Highest AQI (US) recorded in
August112AQI (US)
Lowest AQI (US) recorded in
July33AQI (US)
202158AQI (US)
22
7
1
4
24
4
26
1
7
22
1
23
8
25
4
1
25
6
24
7
16
14
13
18
4
25
1
3
22
6
148
198
17
1
Highest AQI (US) recorded in
January87AQI (US)
Lowest AQI (US) recorded in
July41AQI (US)
202051AQI (US)
3
10
9
12
14
4
30
31
23
8
17
11
2
2
29
5
24
1
25
6
134
123
9
Highest AQI (US) recorded in
December83AQI (US)
Lowest AQI (US) recorded in
July24AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
62AQI (US)Least Polluted Year Recorded
2020(Avg.)
51AQI (US)Tsuen Wan's annual 2026 AQI (US) (55) shows an average percentage change of -4.01% (improved AQI (US)) compared to previous years: 2020 (51), 2021 (58), 2022 (57), 2023 (59), 2024 (58), 2025 (62).
