Kowloon, 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+
October Air Quality Analysis
Kowloon, Hong Kong, China
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Oct 2021
90AQILowest AQI recorded on
8th Oct 2023
20AQISame Day Analysis (6th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 53 of Moderate air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 7th Oct - 8th Oct 2025
Kowloon, Hong Kong, China
AQI
Day
Night
.
6 AM7th Oct 2025
6 PM
5 AM8th Oct 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
1AM8th Oct
71AQI
Avg. Lowest Time
4AM8th Oct
53AQI
In the last 24 hours,
Kowloon's AQI reached its highest point of 71 at 1 AM during the Night, while the lowest point, undefined, was recorded at 6 PM during the Day between 7th Oct and 8th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Kowloon, Hong Kong, China
SepOct
08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th
Day
Night
8th Sep 2025396 AMAQI
8th Sep 2025397 AMAQI
8th Sep 2025238 AMAQI
8th Sep 2025229 AMAQI
8th Sep 20252210 AMAQI
8th Sep 20252111 AMAQI
8th Sep 20252212 PMAQI
8th Sep 2025231 PMAQI
8th Sep 2025222 PMAQI
8th Sep 2025233 PMAQI
8th Sep 2025234 PMAQI
8th Sep 2025255 PMAQI
8th Sep 2025246 PMAQI
8th Sep 2025347 PMAQI
8th Sep 2025408 PMAQI
8th Sep 2025419 PMAQI
8th Sep 20254410 PMAQI
8th Sep 20253811 PMAQI
9th Sep 20253512 AMAQI
9th Sep 2025421 AMAQI
9th Sep 2025412 AMAQI
9th Sep 2025393 AMAQI
9th Sep 2025384 AMAQI
9th Sep 2025365 AMAQI
28°C27/28°C
9th Sep 2025356 AMAQI
9th Sep 2025377 AMAQI
9th Sep 2025338 AMAQI
9th Sep 2025309 AMAQI
9th Sep 20253310 AMAQI
9th Sep 20253411 AMAQI
9th Sep 20253412 PMAQI
9th Sep 2025351 PMAQI
9th Sep 2025342 PMAQI
9th Sep 2025283 PMAQI
9th Sep 2025364 PMAQI
9th Sep 2025365 PMAQI
9th Sep 2025356 PMAQI
9th Sep 2025407 PMAQI
9th Sep 2025428 PMAQI
9th Sep 2025399 PMAQI
9th Sep 20254110 PMAQI
9th Sep 20254611 PMAQI
10th Sep 20253612 AMAQI
10th Sep 2025401 AMAQI
10th Sep 2025412 AMAQI
10th Sep 2025393 AMAQI
10th Sep 2025374 AMAQI
10th Sep 2025375 AMAQI
28°C28/28°C
10th Sep 2025386 AMAQI
10th Sep 2025377 AMAQI
10th Sep 2025318 AMAQI
10th Sep 2025329 AMAQI
10th Sep 20253210 AMAQI
10th Sep 20253511 AMAQI
10th Sep 20253512 PMAQI
10th Sep 2025361 PMAQI
10th Sep 2025362 PMAQI
10th Sep 2025313 PMAQI
10th Sep 2025284 PMAQI
10th Sep 2025335 PMAQI
10th Sep 2025266 PMAQI
10th Sep 2025347 PMAQI
10th Sep 2025408 PMAQI
10th Sep 2025389 PMAQI
10th Sep 20254010 PMAQI
10th Sep 20253611 PMAQI
11th Sep 20254012 AMAQI
11th Sep 2025401 AMAQI
11th Sep 2025402 AMAQI
11th Sep 2025393 AMAQI
11th Sep 2025384 AMAQI
11th Sep 2025375 AMAQI
28°C28/29°C
11th Sep 2025386 AMAQI
11th Sep 2025387 AMAQI
11th Sep 2025308 AMAQI
11th Sep 2025309 AMAQI
11th Sep 20253510 AMAQI
11th Sep 20253311 AMAQI
11th Sep 20253512 PMAQI
11th Sep 2025361 PMAQI
11th Sep 2025342 PMAQI
11th Sep 2025363 PMAQI
11th Sep 2025364 PMAQI
11th Sep 2025415 PMAQI
11th Sep 2025416 PMAQI
11th Sep 2025407 PMAQI
11th Sep 2025398 PMAQI
11th Sep 2025399 PMAQI
11th Sep 20254010 PMAQI
11th Sep 20253711 PMAQI
12th Sep 20253612 AMAQI
12th Sep 2025411 AMAQI
12th Sep 2025392 AMAQI
12th Sep 2025393 AMAQI
12th Sep 2025404 AMAQI
12th Sep 2025405 AMAQI
28°C28/29°C
12th Sep 2025396 AMAQI
12th Sep 2025397 AMAQI
12th Sep 2025318 AMAQI
12th Sep 2025379 AMAQI
12th Sep 20254310 AMAQI
12th Sep 20254211 AMAQI
12th Sep 20253612 PMAQI
12th Sep 2025421 PMAQI
12th Sep 2025372 PMAQI
12th Sep 2025363 PMAQI
12th Sep 2025394 PMAQI
12th Sep 2025395 PMAQI
12th Sep 2025406 PMAQI
12th Sep 2025377 PMAQI
12th Sep 2025428 PMAQI
12th Sep 2025429 PMAQI
12th Sep 20253510 PMAQI
12th Sep 20253711 PMAQI
13th Sep 20253912 AMAQI
13th Sep 2025431 AMAQI
13th Sep 2025402 AMAQI
13th Sep 2025403 AMAQI
13th Sep 2025404 AMAQI
13th Sep 2025405 AMAQI
29°C28/30°C
13th Sep 2025406 AMAQI
13th Sep 2025407 AMAQI
13th Sep 2025278 AMAQI
13th Sep 2025259 AMAQI
13th Sep 20252710 AMAQI
13th Sep 20252911 AMAQI
13th Sep 20253612 PMAQI
13th Sep 2025381 PMAQI
13th Sep 2025322 PMAQI
13th Sep 2025373 PMAQI
13th Sep 2025274 PMAQI
13th Sep 2025315 PMAQI
13th Sep 2025336 PMAQI
13th Sep 2025377 PMAQI
13th Sep 2025408 PMAQI
13th Sep 2025399 PMAQI
13th Sep 20254110 PMAQI
13th Sep 20253711 PMAQI
14th Sep 20253612 AMAQI
14th Sep 2025391 AMAQI
14th Sep 2025422 AMAQI
14th Sep 2025383 AMAQI
14th Sep 2025384 AMAQI
14th Sep 2025375 AMAQI
29°C28/30°C
14th Sep 2025376 AMAQI
14th Sep 2025387 AMAQI
14th Sep 2025288 AMAQI
14th Sep 2025269 AMAQI
14th Sep 20253010 AMAQI
14th Sep 20252911 AMAQI
14th Sep 20252612 PMAQI
14th Sep 2025321 PMAQI
14th Sep 2025332 PMAQI
14th Sep 2025263 PMAQI
14th Sep 2025294 PMAQI
14th Sep 2025355 PMAQI
14th Sep 2025296 PMAQI
14th Sep 2025347 PMAQI
14th Sep 2025378 PMAQI
14th Sep 2025399 PMAQI
14th Sep 20253610 PMAQI
14th Sep 20253711 PMAQI
15th Sep 20253512 AMAQI
15th Sep 2025401 AMAQI
15th Sep 2025402 AMAQI
15th Sep 2025383 AMAQI
15th Sep 2025384 AMAQI
15th Sep 2025375 AMAQI
29°C28/29°C
15th Sep 2025386 AMAQI
15th Sep 2025387 AMAQI
15th Sep 2025288 AMAQI
15th Sep 2025329 AMAQI
15th Sep 20253810 AMAQI
15th Sep 20253511 AMAQI
15th Sep 20252712 PMAQI
15th Sep 2025271 PMAQI
15th Sep 2025282 PMAQI
15th Sep 2025323 PMAQI
15th Sep 2025324 PMAQI
15th Sep 2025275 PMAQI
15th Sep 2025226 PMAQI
15th Sep 2025267 PMAQI
15th Sep 2025328 PMAQI
15th Sep 2025369 PMAQI
15th Sep 20253410 PMAQI
15th Sep 20253411 PMAQI
16th Sep 20253112 AMAQI
16th Sep 2025391 AMAQI
16th Sep 2025382 AMAQI
16th Sep 2025383 AMAQI
16th Sep 2025374 AMAQI
16th Sep 2025385 AMAQI
29°C28/30°C
16th Sep 2025386 AMAQI
16th Sep 2025387 AMAQI
16th Sep 2025268 AMAQI
16th Sep 2025329 AMAQI
16th Sep 20252910 AMAQI
16th Sep 20253311 AMAQI
16th Sep 20253212 PMAQI
16th Sep 2025291 PMAQI
16th Sep 2025312 PMAQI
16th Sep 2025373 PMAQI
16th Sep 2025364 PMAQI
16th Sep 2025325 PMAQI
16th Sep 2025336 PMAQI
16th Sep 2025387 PMAQI
16th Sep 2025388 PMAQI
16th Sep 2025419 PMAQI
16th Sep 20254610 PMAQI
16th Sep 20254311 PMAQI
17th Sep 20254112 AMAQI
17th Sep 2025391 AMAQI
17th Sep 2025372 AMAQI
17th Sep 2025363 AMAQI
17th Sep 2025364 AMAQI
17th Sep 2025365 AMAQI
29°C28/30°C
17th Sep 2025376 AMAQI
17th Sep 2025367 AMAQI
17th Sep 2025388 AMAQI
17th Sep 2025319 AMAQI
17th Sep 20254410 AMAQI
17th Sep 20254711 AMAQI
17th Sep 20254412 PMAQI
17th Sep 2025471 PMAQI
17th Sep 2025542 PMAQI
17th Sep 2025513 PMAQI
17th Sep 2025514 PMAQI
17th Sep 2025365 PMAQI
17th Sep 2025416 PMAQI
17th Sep 2025417 PMAQI
17th Sep 2025428 PMAQI
17th Sep 2025459 PMAQI
17th Sep 20254110 PMAQI
17th Sep 20253611 PMAQI
18th Sep 20253312 AMAQI
18th Sep 2025381 AMAQI
18th Sep 2025372 AMAQI
18th Sep 2025393 AMAQI
18th Sep 2025414 AMAQI
18th Sep 2025405 AMAQI
29°C28/30°C
18th Sep 2025406 AMAQI
18th Sep 2025407 AMAQI
18th Sep 2025348 AMAQI
18th Sep 2025339 AMAQI
18th Sep 20252910 AMAQI
18th Sep 20252911 AMAQI
18th Sep 20253712 PMAQI
18th Sep 2025421 PMAQI
18th Sep 2025432 PMAQI
18th Sep 2025473 PMAQI
18th Sep 2025514 PMAQI
18th Sep 2025345 PMAQI
18th Sep 2025326 PMAQI
18th Sep 2025327 PMAQI
18th Sep 2025348 PMAQI
18th Sep 2025369 PMAQI
18th Sep 20253810 PMAQI
18th Sep 20253811 PMAQI
19th Sep 20253212 AMAQI
19th Sep 2025391 AMAQI
19th Sep 2025392 AMAQI
19th Sep 2025383 AMAQI
19th Sep 2025384 AMAQI
19th Sep 2025385 AMAQI
29°C27/30°C
19th Sep 2025386 AMAQI
19th Sep 2025387 AMAQI
19th Sep 2025248 AMAQI
19th Sep 2025209 AMAQI
19th Sep 20252110 AMAQI
19th Sep 20252211 AMAQI
19th Sep 20252312 PMAQI
19th Sep 2025231 PMAQI
19th Sep 2025242 PMAQI
19th Sep 2025343 PMAQI
19th Sep 2025354 PMAQI
19th Sep 2025295 PMAQI
19th Sep 2025276 PMAQI
19th Sep 2025347 PMAQI
19th Sep 2025428 PMAQI
19th Sep 2025409 PMAQI
19th Sep 20254410 PMAQI
19th Sep 20254011 PMAQI
20th Sep 20253912 AMAQI
20th Sep 2025401 AMAQI
20th Sep 2025402 AMAQI
20th Sep 2025373 AMAQI
20th Sep 2025364 AMAQI
20th Sep 2025355 AMAQI
28°C27/29°C
20th Sep 2025356 AMAQI
20th Sep 2025357 AMAQI
20th Sep 2025228 AMAQI
20th Sep 2025219 AMAQI
20th Sep 20252210 AMAQI
20th Sep 20252311 AMAQI
20th Sep 20253312 PMAQI
20th Sep 2025301 PMAQI
20th Sep 2025292 PMAQI
20th Sep 2025453 PMAQI
20th Sep 2025554 PMAQI
20th Sep 2025595 PMAQI
20th Sep 2025556 PMAQI
20th Sep 2025597 PMAQI
20th Sep 2025578 PMAQI
20th Sep 2025599 PMAQI
20th Sep 20255510 PMAQI
20th Sep 20255211 PMAQI
21st Sep 20254712 AMAQI
21st Sep 2025401 AMAQI
21st Sep 2025382 AMAQI
21st Sep 2025383 AMAQI
21st Sep 2025364 AMAQI
21st Sep 2025365 AMAQI
26°C26/27°C
21st Sep 2025356 AMAQI
21st Sep 2025357 AMAQI
21st Sep 2025208 AMAQI
21st Sep 2025159 AMAQI
21st Sep 20251710 AMAQI
21st Sep 20252011 AMAQI
21st Sep 20252212 PMAQI
21st Sep 2025241 PMAQI
21st Sep 2025242 PMAQI
21st Sep 2025303 PMAQI
21st Sep 2025294 PMAQI
21st Sep 2025245 PMAQI
21st Sep 2025216 PMAQI
21st Sep 2025297 PMAQI
21st Sep 2025358 PMAQI
21st Sep 2025379 PMAQI
21st Sep 20253610 PMAQI
21st Sep 20254211 PMAQI
22nd Sep 20254112 AMAQI
22nd Sep 2025391 AMAQI
22nd Sep 2025392 AMAQI
22nd Sep 2025383 AMAQI
22nd Sep 2025344 AMAQI
22nd Sep 2025345 AMAQI
28°C26/29°C
22nd Sep 2025346 AMAQI
22nd Sep 2025357 AMAQI
22nd Sep 2025348 AMAQI
22nd Sep 2025409 AMAQI
22nd Sep 20255110 AMAQI
22nd Sep 20254311 AMAQI
22nd Sep 20254812 PMAQI
22nd Sep 2025451 PMAQI
22nd Sep 2025412 PMAQI
22nd Sep 2025363 PMAQI
22nd Sep 2025424 PMAQI
22nd Sep 2025465 PMAQI
22nd Sep 2025626 PMAQI
22nd Sep 2025617 PMAQI
22nd Sep 2025578 PMAQI
22nd Sep 2025569 PMAQI
22nd Sep 20255510 PMAQI
22nd Sep 20255111 PMAQI
23rd Sep 20255412 AMAQI
23rd Sep 2025461 AMAQI
23rd Sep 2025402 AMAQI
23rd Sep 2025403 AMAQI
23rd Sep 2025394 AMAQI
23rd Sep 2025395 AMAQI
29°C27/31°C
23rd Sep 2025396 AMAQI
23rd Sep 2025397 AMAQI
23rd Sep 2025418 AMAQI
23rd Sep 2025479 AMAQI
23rd Sep 20255110 AMAQI
23rd Sep 20255411 AMAQI
23rd Sep 20255312 PMAQI
23rd Sep 2025561 PMAQI
23rd Sep 2025582 PMAQI
23rd Sep 2025563 PMAQI
23rd Sep 2025524 PMAQI
23rd Sep 2025535 PMAQI
23rd Sep 2025446 PMAQI
23rd Sep 2025467 PMAQI
23rd Sep 2025468 PMAQI
23rd Sep 2025479 PMAQI
23rd Sep 20253910 PMAQI
23rd Sep 20253411 PMAQI
24th Sep 20253612 AMAQI
24th Sep 2025411 AMAQI
24th Sep 2025432 AMAQI
24th Sep 2025463 AMAQI
24th Sep 2025474 AMAQI
24th Sep 2025495 AMAQI
28°C27/29°C
24th Sep 2025486 AMAQI
24th Sep 2025477 AMAQI
24th Sep 2025248 AMAQI
24th Sep 2025149 AMAQI
24th Sep 20251610 AMAQI
24th Sep 20251611 AMAQI
24th Sep 20251812 PMAQI
24th Sep 2025191 PMAQI
24th Sep 2025282 PMAQI
24th Sep 2025303 PMAQI
24th Sep 2025234 PMAQI
24th Sep 2025205 PMAQI
24th Sep 2025206 PMAQI
24th Sep 2025237 PMAQI
24th Sep 2025338 PMAQI
24th Sep 2025359 PMAQI
24th Sep 20253610 PMAQI
24th Sep 20254311 PMAQI
25th Sep 20254212 AMAQI
25th Sep 2025441 AMAQI
25th Sep 2025462 AMAQI
25th Sep 2025443 AMAQI
25th Sep 2025404 AMAQI
25th Sep 2025405 AMAQI
27°C26/27°C
25th Sep 2025406 AMAQI
25th Sep 2025407 AMAQI
25th Sep 2025378 AMAQI
25th Sep 2025349 AMAQI
25th Sep 20253710 AMAQI
25th Sep 20253711 AMAQI
25th Sep 20253612 PMAQI
25th Sep 2025341 PMAQI
25th Sep 2025352 PMAQI
25th Sep 2025353 PMAQI
25th Sep 2025314 PMAQI
25th Sep 2025345 PMAQI
25th Sep 2025346 PMAQI
25th Sep 2025277 PMAQI
25th Sep 2025248 PMAQI
25th Sep 2025309 PMAQI
25th Sep 20253010 PMAQI
25th Sep 20252611 PMAQI
26th Sep 20252312 AMAQI
26th Sep 2025241 AMAQI
26th Sep 2025202 AMAQI
26th Sep 2025223 AMAQI
26th Sep 2025244 AMAQI
26th Sep 2025265 AMAQI
27°C27/28°C
26th Sep 2025296 AMAQI
26th Sep 2025317 AMAQI
26th Sep 2025338 AMAQI
26th Sep 2025369 AMAQI
26th Sep 20254010 AMAQI
26th Sep 20254411 AMAQI
26th Sep 20255012 PMAQI
26th Sep 2025531 PMAQI
26th Sep 2025512 PMAQI
26th Sep 2025453 PMAQI
26th Sep 2025474 PMAQI
26th Sep 2025485 PMAQI
26th Sep 2025556 PMAQI
26th Sep 2025597 PMAQI
26th Sep 2025568 PMAQI
26th Sep 2025559 PMAQI
26th Sep 20255110 PMAQI
26th Sep 20254511 PMAQI
27th Sep 20253812 AMAQI
27th Sep 2025301 AMAQI
27th Sep 2025282 AMAQI
27th Sep 2025223 AMAQI
27th Sep 2025194 AMAQI
27th Sep 2025195 AMAQI
28°C27/29°C
27th Sep 2025196 AMAQI
27th Sep 2025187 AMAQI
27th Sep 2025198 AMAQI
27th Sep 2025189 AMAQI
27th Sep 20252410 AMAQI
27th Sep 20252311 AMAQI
27th Sep 20252612 PMAQI
27th Sep 2025261 PMAQI
27th Sep 2025302 PMAQI
27th Sep 2025343 PMAQI
27th Sep 2025304 PMAQI
27th Sep 2025315 PMAQI
27th Sep 2025336 PMAQI
27th Sep 2025357 PMAQI
27th Sep 2025368 PMAQI
27th Sep 2025389 PMAQI
27th Sep 20253610 PMAQI
27th Sep 20253611 PMAQI
28th Sep 20253612 AMAQI
28th Sep 2025351 AMAQI
28th Sep 2025352 AMAQI
28th Sep 2025343 AMAQI
28th Sep 2025374 AMAQI
28th Sep 2025375 AMAQI
28°C27/29°C
28th Sep 2025426 AMAQI
28th Sep 2025437 AMAQI
28th Sep 2025418 AMAQI
28th Sep 2025419 AMAQI
28th Sep 20253910 AMAQI
28th Sep 20254111 AMAQI
28th Sep 20254412 PMAQI
28th Sep 2025431 PMAQI
28th Sep 2025392 PMAQI
28th Sep 2025353 PMAQI
28th Sep 2025324 PMAQI
28th Sep 2025245 PMAQI
28th Sep 2025236 PMAQI
28th Sep 2025287 PMAQI
28th Sep 2025268 PMAQI
28th Sep 2025289 PMAQI
28th Sep 20252410 PMAQI
28th Sep 20252111 PMAQI
29th Sep 20251912 AMAQI
29th Sep 2025221 AMAQI
29th Sep 2025242 AMAQI
29th Sep 2025193 AMAQI
29th Sep 2025214 AMAQI
29th Sep 2025315 AMAQI
28°C27/29°C
29th Sep 2025486 AMAQI
29th Sep 2025467 AMAQI
29th Sep 2025358 AMAQI
29th Sep 2025319 AMAQI
29th Sep 20253110 AMAQI
29th Sep 20253611 AMAQI
29th Sep 20253412 PMAQI
29th Sep 2025361 PMAQI
29th Sep 2025362 PMAQI
29th Sep 2025343 PMAQI
29th Sep 2025304 PMAQI
29th Sep 2025355 PMAQI
29th Sep 2025386 PMAQI
29th Sep 2025397 PMAQI
29th Sep 2025428 PMAQI
29th Sep 2025499 PMAQI
29th Sep 20255010 PMAQI
29th Sep 20254811 PMAQI
30th Sep 20254612 AMAQI
30th Sep 2025441 AMAQI
30th Sep 2025372 AMAQI
30th Sep 2025373 AMAQI
30th Sep 2025344 AMAQI
30th Sep 2025315 AMAQI
28°C27/28°C
30th Sep 2025306 AMAQI
30th Sep 2025367 AMAQI
30th Sep 2025448 AMAQI
30th Sep 2025399 AMAQI
30th Sep 20254510 AMAQI
30th Sep 20255011 AMAQI
30th Sep 20255112 PMAQI
30th Sep 2025511 PMAQI
30th Sep 2025462 PMAQI
30th Sep 2025543 PMAQI
30th Sep 2025514 PMAQI
30th Sep 2025465 PMAQI
30th Sep 2025456 PMAQI
30th Sep 2025457 PMAQI
30th Sep 2025538 PMAQI
30th Sep 2025549 PMAQI
30th Sep 20256510 PMAQI
30th Sep 20256311 PMAQI
1st Oct 20255312 AMAQI
1st Oct 2025591 AMAQI
1st Oct 2025572 AMAQI
1st Oct 2025543 AMAQI
1st Oct 2025554 AMAQI
1st Oct 2025495 AMAQI
28°C27/29°C
1st Oct 2025476 AMAQI
1st Oct 2025457 AMAQI
1st Oct 2025488 AMAQI
1st Oct 2025489 AMAQI
1st Oct 20255110 AMAQI
1st Oct 20255211 AMAQI
1st Oct 20254512 PMAQI
1st Oct 2025361 PMAQI
1st Oct 2025322 PMAQI
1st Oct 2025303 PMAQI
1st Oct 2025304 PMAQI
1st Oct 2025295 PMAQI
1st Oct 2025276 PMAQI
1st Oct 2025367 PMAQI
1st Oct 2025488 PMAQI
1st Oct 2025529 PMAQI
1st Oct 20255110 PMAQI
1st Oct 20254711 PMAQI
2nd Oct 20254812 AMAQI
2nd Oct 2025471 AMAQI
2nd Oct 2025432 AMAQI
2nd Oct 2025343 AMAQI
2nd Oct 2025354 AMAQI
2nd Oct 2025365 AMAQI
28°C27/29°C
2nd Oct 2025366 AMAQI
2nd Oct 2025367 AMAQI
2nd Oct 2025358 AMAQI
2nd Oct 2025379 AMAQI
2nd Oct 20253910 AMAQI
2nd Oct 20253611 AMAQI
2nd Oct 20253512 PMAQI
2nd Oct 2025341 PMAQI
2nd Oct 2025362 PMAQI
2nd Oct 2025383 PMAQI
2nd Oct 2025404 PMAQI
2nd Oct 2025415 PMAQI
2nd Oct 2025446 PMAQI
2nd Oct 2025477 PMAQI
2nd Oct 2025488 PMAQI
2nd Oct 2025479 PMAQI
2nd Oct 20254510 PMAQI
2nd Oct 20254111 PMAQI
3rd Oct 20253812 AMAQI
3rd Oct 2025371 AMAQI
3rd Oct 2025372 AMAQI
3rd Oct 2025343 AMAQI
3rd Oct 2025304 AMAQI
3rd Oct 2025325 AMAQI
28°C27/29°C
3rd Oct 2025326 AMAQI
3rd Oct 2025327 AMAQI
3rd Oct 2025328 AMAQI
3rd Oct 2025339 AMAQI
3rd Oct 20253810 AMAQI
3rd Oct 20253911 AMAQI
3rd Oct 20254012 PMAQI
3rd Oct 2025401 PMAQI
3rd Oct 2025402 PMAQI
3rd Oct 2025463 PMAQI
3rd Oct 2025474 PMAQI
3rd Oct 2025475 PMAQI
3rd Oct 2025436 PMAQI
3rd Oct 2025477 PMAQI
3rd Oct 2025548 PMAQI
3rd Oct 2025549 PMAQI
3rd Oct 20255410 PMAQI
3rd Oct 20257411 PMAQI
4th Oct 20257812 AMAQI
4th Oct 2025581 AMAQI
4th Oct 2025622 AMAQI
4th Oct 2025633 AMAQI
4th Oct 2025684 AMAQI
4th Oct 2025705 AMAQI
28°C27/29°C
4th Oct 2025556 AMAQI
4th Oct 2025557 AMAQI
4th Oct 2025598 AMAQI
4th Oct 2025519 AMAQI
4th Oct 20255110 AMAQI
4th Oct 20254911 AMAQI
4th Oct 20254812 PMAQI
4th Oct 2025531 PMAQI
4th Oct 2025562 PMAQI
4th Oct 2025633 PMAQI
4th Oct 2025654 PMAQI
4th Oct 2025605 PMAQI
4th Oct 2025536 PMAQI
4th Oct 2025557 PMAQI
4th Oct 2025548 PMAQI
4th Oct 2025599 PMAQI
4th Oct 20255910 PMAQI
4th Oct 20255911 PMAQI
5th Oct 20255712 AMAQI
5th Oct 2025571 AMAQI
5th Oct 2025552 AMAQI
5th Oct 2025533 AMAQI
5th Oct 2025574 AMAQI
5th Oct 2025525 AMAQI
28°C27/30°C
5th Oct 2025506 AMAQI
5th Oct 2025487 AMAQI
5th Oct 2025488 AMAQI
5th Oct 2025529 AMAQI
5th Oct 20255410 AMAQI
5th Oct 20255511 AMAQI
5th Oct 20255912 PMAQI
5th Oct 2025531 PMAQI
5th Oct 2025522 PMAQI
5th Oct 2025523 PMAQI
5th Oct 2025544 PMAQI
5th Oct 2025565 PMAQI
5th Oct 2025586 PMAQI
5th Oct 2025577 PMAQI
5th Oct 2025598 PMAQI
5th Oct 2025609 PMAQI
5th Oct 20256310 PMAQI
5th Oct 20255711 PMAQI
6th Oct 20255012 AMAQI
6th Oct 2025501 AMAQI
6th Oct 2025522 AMAQI
6th Oct 2025553 AMAQI
6th Oct 2025524 AMAQI
6th Oct 2025485 AMAQI
28°C27/29°C
6th Oct 2025496 AMAQI
6th Oct 2025557 AMAQI
6th Oct 2025528 AMAQI
6th Oct 2025549 AMAQI
6th Oct 20255410 AMAQI
6th Oct 20255511 AMAQI
6th Oct 20255412 PMAQI
6th Oct 2025561 PMAQI
6th Oct 2025542 PMAQI
6th Oct 2025533 PMAQI
6th Oct 2025494 PMAQI
6th Oct 2025545 PMAQI
6th Oct 2025546 PMAQI
6th Oct 2025577 PMAQI
6th Oct 2025578 PMAQI
6th Oct 2025569 PMAQI
6th Oct 20255610 PMAQI
6th Oct 20256411 PMAQI
7th Oct 20256612 AMAQI
7th Oct 2025541 AMAQI
27°C27/28°C
7th Oct 2025557 PMAQI
7th Oct 2025598 PMAQI
7th Oct 2025609 PMAQI
7th Oct 20256310 PMAQI
7th Oct 20256411 PMAQI
8th Oct 20256412 AMAQI
8th Oct 2025711 AMAQI
8th Oct 2025642 AMAQI
8th Oct 2025563 AMAQI
8th Oct 2025534 AMAQI
8th Oct 2025545 AMAQI
28°C27/29°C
8th Oct 2025616 AMAQI
6 AM8th Oct 2025637 AMAQI
8th Oct 2025628 AMAQI
12 PM
6 PM
12 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 7 AM
40AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
9 AM
33AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 7 AM (Avg. 40), while the lowest AQI was between 9 AM to 9 AM (Avg. 33).
Night time
Avg. Highest Time
8 PM - 11 PM
45AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
2 AM - 5 AM
40AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 11 PM (Avg. 45), while the lowest AQI was between 2 AM to 5 AM (Avg. 40).
2025 Days Vs Air Quality
Kowloon, Hong Kong, China
2025
47%
130
50%
140
3%
9
Total number of days with different AQI categories in last 281 days in 2025 (84 days remaining)
Good
130 DaysModerate
140 DaysPoor
9 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 47%
Health Risk Level:
Significant
In 2025, 47% of 281 days were within WHO’s safe air quality limits, and 53% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Kowloon, 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
104AQI
104AQI
2nd January 2025
127AQI
127AQI
3rd January 2025
97AQI
97AQI
4th January 2025
100AQI
100AQI
5th January 2025
92AQI
92AQI
6th January 2025
97AQI
97AQI
7th January 2025
90AQI
90AQI
8th January 2025
100AQI
100AQI
9th January 2025
103AQI
103AQI
10th January 2025
79AQI
79AQI
11th January 2025
89AQI
89AQI
12th January 2025
66AQI
66AQI
13th January 2025
72AQI
72AQI
14th January 2025
67AQI
67AQI
15th January 2025
75AQI
75AQI
16th January 2025
104AQI
104AQI
17th January 2025
83AQI
83AQI
18th January 2025
95AQI
95AQI
19th January 2025
86AQI
86AQI
20th January 2025
88AQI
88AQI
21st January 2025
82AQI
82AQI
22nd January 2025
80AQI
80AQI
23rd January 2025
78AQI
78AQI
24th January 2025
66AQI
66AQI
25th January 2025
59AQI
59AQI
26th January 2025
49AQI
49AQI
27th January 2025
54AQI
54AQI
28th January 2025
54AQI
54AQI
29th January 2025
79AQI
79AQI
30th January 2025
59AQI
59AQI
31st January 2025
59AQI
59AQI
1st February 2025
49AQI
49AQI
2nd February 2025
53AQI
53AQI
3rd February 2025
34AQI
34AQI
4th February 2025
44AQI
44AQI
5th February 2025
69AQI
69AQI
6th February 2025
60AQI
60AQI
7th February 2025
55AQI
55AQI
8th February 2025
60AQI
60AQI
9th February 2025
54AQI
54AQI
10th February 2025
59AQI
59AQI
11th February 2025
59AQI
59AQI
12th February 2025
56AQI
56AQI
13th February 2025
79AQI
79AQI
14th February 2025
76AQI
76AQI
15th February 2025
79AQI
79AQI
16th February 2025
108AQI
108AQI
17th February 2025
85AQI
85AQI
18th February 2025
114AQI
114AQI
19th February 2025
70AQI
70AQI
20th February 2025
78AQI
78AQI
21st February 2025
75AQI
75AQI
22nd February 2025
67AQI
67AQI
23rd February 2025
48AQI
48AQI
24th February 2025
55AQI
55AQI
25th February 2025
76AQI
76AQI
26th February 2025
82AQI
82AQI
27th February 2025
74AQI
74AQI
28th February 2025
69AQI
69AQI
1st March 2025
70AQI
70AQI
2nd March 2025
58AQI
58AQI
3rd March 2025
52AQI
52AQI
4th March 2025
52AQI
52AQI
5th March 2025
45AQI
45AQI
6th March 2025
39AQI
39AQI
7th March 2025
49AQI
49AQI
8th March 2025
56AQI
56AQI
9th March 2025
62AQI
62AQI
10th March 2025
67AQI
67AQI
11th March 2025
66AQI
66AQI
12th March 2025
61AQI
61AQI
13th March 2025
61AQI
61AQI
14th March 2025
61AQI
61AQI
15th March 2025
51AQI
51AQI
16th March 2025
39AQI
39AQI
17th March 2025
70AQI
70AQI
18th March 2025
62AQI
62AQI
19th March 2025
72AQI
72AQI
20th March 2025
72AQI
72AQI
21st March 2025
76AQI
76AQI
22nd March 2025
71AQI
71AQI
23rd March 2025
73AQI
73AQI
24th March 2025
73AQI
73AQI
25th March 2025
71AQI
71AQI
26th March 2025
58AQI
58AQI
27th March 2025
59AQI
59AQI
28th March 2025
61AQI
61AQI
29th March 2025
41AQI
41AQI
30th March 2025
37AQI
37AQI
31st March 2025
38AQI
38AQI
1st April 2025
46AQI
46AQI
2nd April 2025
50AQI
50AQI
3rd April 2025
58AQI
58AQI
4th April 2025
61AQI
61AQI
5th April 2025
55AQI
55AQI
6th April 2025
69AQI
69AQI
7th April 2025
72AQI
72AQI
8th April 2025
77AQI
77AQI
9th April 2025
64AQI
64AQI
10th April 2025
64AQI
64AQI
11th April 2025
61AQI
61AQI
12th April 2025
56AQI
56AQI
13th April 2025
123AQI
123AQI
14th April 2025
128AQI
128AQI
15th April 2025
126AQI
126AQI
16th April 2025
97AQI
97AQI
17th April 2025
84AQI
84AQI
18th April 2025
71AQI
71AQI
19th April 2025
60AQI
60AQI
20th April 2025
56AQI
56AQI
21st April 2025
55AQI
55AQI
22nd April 2025
57AQI
57AQI
23rd April 2025
54AQI
54AQI
24th April 2025
49AQI
49AQI
25th April 2025
53AQI
53AQI
26th April 2025
51AQI
51AQI
27th April 2025
59AQI
59AQI
28th April 2025
66AQI
66AQI
29th April 2025
62AQI
62AQI
30th April 2025
70AQI
70AQI
1st May 2025
63AQI
63AQI
2nd May 2025
77AQI
77AQI
3rd May 2025
78AQI
78AQI
4th May 2025
63AQI
63AQI
5th May 2025
59AQI
59AQI
6th May 2025
53AQI
53AQI
7th May 2025
54AQI
54AQI
8th May 2025
61AQI
61AQI
9th May 2025
45AQI
45AQI
10th May 2025
57AQI
57AQI
11th May 2025
54AQI
54AQI
12th May 2025
58AQI
58AQI
13th May 2025
62AQI
62AQI
14th May 2025
58AQI
58AQI
15th May 2025
49AQI
49AQI
16th May 2025
42AQI
42AQI
17th May 2025
38AQI
38AQI
18th May 2025
38AQI
38AQI
19th May 2025
43AQI
43AQI
20th May 2025
37AQI
37AQI
21st May 2025
47AQI
47AQI
22nd May 2025
41AQI
41AQI
23rd May 2025
43AQI
43AQI
24th May 2025
48AQI
48AQI
25th May 2025
65AQI
65AQI
26th May 2025
63AQI
63AQI
27th May 2025
68AQI
68AQI
28th May 2025
58AQI
58AQI
29th May 2025
57AQI
57AQI
30th May 2025
46AQI
46AQI
31st May 2025
60AQI
60AQI
1st June 2025
60AQI
60AQI
2nd June 2025
53AQI
53AQI
3rd June 2025
57AQI
57AQI
4th June 2025
42AQI
42AQI
5th June 2025
55AQI
55AQI
6th June 2025
52AQI
52AQI
7th June 2025
46AQI
46AQI
8th June 2025
35AQI
35AQI
9th June 2025
41AQI
41AQI
10th June 2025
35AQI
35AQI
11th June 2025
32AQI
32AQI
12th June 2025
32AQI
32AQI
13th June 2025
34AQI
34AQI
14th June 2025
42AQI
42AQI
15th June 2025
39AQI
39AQI
16th June 2025
41AQI
41AQI
17th June 2025
42AQI
42AQI
18th June 2025
38AQI
38AQI
19th June 2025
37AQI
37AQI
20th June 2025
34AQI
34AQI
21st June 2025
31AQI
31AQI
22nd June 2025
28AQI
28AQI
23rd June 2025
27AQI
27AQI
24th June 2025
27AQI
27AQI
25th June 2025
28AQI
28AQI
26th June 2025
28AQI
28AQI
27th June 2025
29AQI
29AQI
28th June 2025
29AQI
29AQI
29th June 2025
30AQI
30AQI
30th June 2025
28AQI
28AQI
1st July 2025
27AQI
27AQI
2nd July 2025
29AQI
29AQI
3rd July 2025
34AQI
34AQI
4th July 2025
40AQI
40AQI
5th July 2025
41AQI
41AQI
6th July 2025
42AQI
42AQI
7th July 2025
49AQI
49AQI
8th July 2025
38AQI
38AQI
9th July 2025
43AQI
43AQI
10th July 2025
46AQI
46AQI
11th July 2025
47AQI
47AQI
12th July 2025
46AQI
46AQI
13th July 2025
50AQI
50AQI
14th July 2025
47AQI
47AQI
15th July 2025
49AQI
49AQI
16th July 2025
48AQI
48AQI
17th July 2025
52AQI
52AQI
18th July 2025
53AQI
53AQI
19th July 2025
58AQI
58AQI
20th July 2025
37AQI
37AQI
21st July 2025
44AQI
44AQI
22nd July 2025
44AQI
44AQI
23rd July 2025
40AQI
40AQI
24th July 2025
53AQI
53AQI
25th July 2025
62AQI
62AQI
26th July 2025
61AQI
61AQI
27th July 2025
52AQI
52AQI
28th July 2025
56AQI
56AQI
29th July 2025
52AQI
52AQI
30th July 2025
59AQI
59AQI
31st July 2025
52AQI
52AQI
1st August 2025
53AQI
53AQI
2nd August 2025
52AQI
52AQI
3rd August 2025
53AQI
53AQI
4th August 2025
55AQI
55AQI
5th August 2025
49AQI
49AQI
6th August 2025
45AQI
45AQI
7th August 2025
49AQI
49AQI
8th August 2025
56AQI
56AQI
9th August 2025
51AQI
51AQI
10th August 2025
38AQI
38AQI
11th August 2025
42AQI
42AQI
12th August 2025
45AQI
45AQI
13th August 2025
49AQI
49AQI
14th August 2025
41AQI
41AQI
15th August 2025
37AQI
37AQI
16th August 2025
40AQI
40AQI
17th August 2025
35AQI
35AQI
18th August 2025
34AQI
34AQI
19th August 2025
40AQI
40AQI
20th August 2025
38AQI
38AQI
21st August 2025
38AQI
38AQI
22nd August 2025
40AQI
40AQI
23rd August 2025
45AQI
45AQI
24th August 2025
41AQI
41AQI
25th August 2025
38AQI
38AQI
26th August 2025
42AQI
42AQI
27th August 2025
44AQI
44AQI
28th August 2025
49AQI
49AQI
29th August 2025
45AQI
45AQI
30th August 2025
43AQI
43AQI
31st August 2025
41AQI
41AQI
1st September 2025
42AQI
42AQI
2nd September 2025
39AQI
39AQI
3rd September 2025
40AQI
40AQI
4th September 2025
36AQI
36AQI
5th September 2025
35AQI
35AQI
6th September 2025
42AQI
42AQI
7th September 2025
37AQI
37AQI
8th September 2025
33AQI
33AQI
9th September 2025
37AQI
37AQI
10th September 2025
36AQI
36AQI
11th September 2025
38AQI
38AQI
12th September 2025
39AQI
39AQI
13th September 2025
36AQI
36AQI
14th September 2025
34AQI
34AQI
15th September 2025
33AQI
33AQI
16th September 2025
36AQI
36AQI
17th September 2025
41AQI
41AQI
18th September 2025
37AQI
37AQI
19th September 2025
34AQI
34AQI
20th September 2025
42AQI
42AQI
21st September 2025
31AQI
31AQI
22nd September 2025
45AQI
45AQI
23rd September 2025
46AQI
46AQI
24th September 2025
33AQI
33AQI
25th September 2025
35AQI
35AQI
26th September 2025
39AQI
39AQI
27th September 2025
30AQI
30AQI
28th September 2025
34AQI
34AQI
29th September 2025
33AQI
33AQI
30th September 2025
46AQI
46AQI
1st October 2025
47AQI
47AQI
2nd October 2025
40AQI
40AQI
3rd October 2025
41AQI
41AQI
4th October 2025
61AQI
61AQI
5th October 2025
55AQI
55AQI
6th October 2025
53AQI
53AQI
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
82AQI
67AQI
59AQI
68AQI
54AQI
38AQI
47AQI
44AQI
37AQI
50AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202555AQI
1
26
4
4
22
2
7
24
3
24
3
12
19
25
5
20
11
25
6
30
3
3
130
140
9
Highest AQI recorded in
January82AQI
Lowest AQI recorded in
September37AQI
202455AQI
4
22
5
7
22
5
26
11
19
15
16
29
29
2
24
7
22
8
5
26
10
20
24
7
161
192
12
Highest AQI recorded in
December86AQI
Lowest AQI recorded in
July30AQI
202354AQI
4
27
4
24
7
23
1
8
22
11
20
28
2
27
4
28
3
25
5
8
23
5
24
4
24
3
159
201
4
Highest AQI recorded in
December71AQI
Lowest AQI recorded in
July33AQI
202254AQI
6
21
4
13
10
11
18
2
10
20
19
12
30
23
1
1
1
4
21
4
10
21
15
15
6
23
2
148
163
12
Highest AQI recorded in
January75AQI
Lowest AQI recorded in
June33AQI
202156AQI
25
6
2
26
5
24
2
5
25
23
8
24
5
1
26
5
25
6
18
12
14
17
5
25
4
22
5
151
200
14
Highest AQI recorded in
January82AQI
Lowest AQI recorded in
July39AQI
202051AQI
2
11
5
16
12
6
30
31
26
5
17
11
2
1
30
3
27
1
29
1
128
135
3
Highest AQI recorded in
December77AQI
Lowest AQI recorded in
July25AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
56AQILeast Polluted Year Recorded
2020(Avg.)
51AQIKowloon's annual 2025 AQI (55) shows an average percentage change of 1.7% (worsened AQI) compared to previous years: 2020 (51), 2021 (56), 2022 (54), 2023 (54), 2024 (55).
