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HistoryAQIPM2.5PM10COSO2NO2O3

Kudamatsu, Yamaguchi, Japan 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

Kudamatsu, Yamaguchi, Japan

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
12th Oct 2025
71AQI
Lowest AQI recorded on
7th Oct 2024
20AQI

Same Day Analysis (13th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 47 of Good air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 13th Oct - 14th Oct 2025

Kudamatsu, Yamaguchi, Japan

AQI
Day
Night
.

6 AM13th Oct 2025

6 PM

5 AM14th Oct 2025

Day time
Avg. Highest Time
6AM13th Oct

49AQI

Avg. Lowest Time
12PM13th Oct

37AQI

Night time
Avg. Highest Time
5AM14th Oct

54AQI

Avg. Lowest Time
6PM13th Oct

38AQI

In the last 24 hours,

Kudamatsu's AQI reached its highest point of 54 at 5 AM during the Night, while the lowest point, 37, was recorded at 12 PM during the Day between 13th Oct and 14th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Kudamatsu, Yamaguchi, Japan

SepOct
14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th
Day
Night
14th Sep 2025326 AMAQI
14th Sep 2025327 AMAQI
14th Sep 2025328 AMAQI
14th Sep 2025239 AMAQI
14th Sep 20251810 AMAQI
14th Sep 20252411 AMAQI
14th Sep 20252712 PMAQI
14th Sep 2025211 PMAQI
14th Sep 2025192 PMAQI
14th Sep 2025203 PMAQI
14th Sep 2025254 PMAQI
14th Sep 2025255 PMAQI
14th Sep 2025296 PMAQI
14th Sep 2025277 PMAQI
14th Sep 2025288 PMAQI
14th Sep 2025309 PMAQI
14th Sep 20253010 PMAQI
14th Sep 20252711 PMAQI
15th Sep 20252912 AMAQI
15th Sep 2025321 AMAQI
15th Sep 2025332 AMAQI
15th Sep 2025333 AMAQI
15th Sep 2025314 AMAQI
15th Sep 2025315 AMAQI

26°C24/30°C

15th Sep 2025306 AMAQI
15th Sep 2025307 AMAQI
15th Sep 2025308 AMAQI
15th Sep 2025249 AMAQI
15th Sep 20252910 AMAQI
15th Sep 20253411 AMAQI
15th Sep 20254212 PMAQI
15th Sep 2025351 PMAQI
15th Sep 2025372 PMAQI
15th Sep 2025363 PMAQI
15th Sep 2025394 PMAQI
15th Sep 2025345 PMAQI
15th Sep 2025346 PMAQI
15th Sep 2025377 PMAQI
15th Sep 2025388 PMAQI
15th Sep 2025349 PMAQI
15th Sep 20253210 PMAQI
15th Sep 20253011 PMAQI
16th Sep 20253112 AMAQI
16th Sep 2025341 AMAQI
16th Sep 2025322 AMAQI
16th Sep 2025323 AMAQI
16th Sep 2025324 AMAQI
16th Sep 2025325 AMAQI

27°C24/30°C

16th Sep 2025326 AMAQI
16th Sep 2025327 AMAQI
16th Sep 2025328 AMAQI
16th Sep 2025389 AMAQI
16th Sep 20254910 AMAQI
16th Sep 20255211 AMAQI
16th Sep 20255112 PMAQI
16th Sep 2025491 PMAQI
16th Sep 2025432 PMAQI
16th Sep 2025423 PMAQI
16th Sep 2025444 PMAQI
16th Sep 2025515 PMAQI
16th Sep 2025516 PMAQI
16th Sep 2025577 PMAQI
16th Sep 2025538 PMAQI
16th Sep 2025469 PMAQI
16th Sep 20254610 PMAQI
16th Sep 20254511 PMAQI
17th Sep 20254612 AMAQI
17th Sep 2025351 AMAQI
17th Sep 2025322 AMAQI
17th Sep 2025333 AMAQI
17th Sep 2025344 AMAQI
17th Sep 2025355 AMAQI

26°C23/30°C

17th Sep 2025356 AMAQI
17th Sep 2025367 AMAQI
17th Sep 2025358 AMAQI
17th Sep 2025529 AMAQI
17th Sep 20256010 AMAQI
17th Sep 20255711 AMAQI
17th Sep 20255212 PMAQI
17th Sep 2025451 PMAQI
17th Sep 2025402 PMAQI
17th Sep 2025273 PMAQI
17th Sep 2025294 PMAQI
17th Sep 2025235 PMAQI
17th Sep 2025286 PMAQI
17th Sep 2025297 PMAQI
17th Sep 2025308 PMAQI
17th Sep 2025309 PMAQI
17th Sep 20252610 PMAQI
17th Sep 20252711 PMAQI
18th Sep 20252812 AMAQI
18th Sep 2025291 AMAQI
18th Sep 2025342 AMAQI
18th Sep 2025353 AMAQI
18th Sep 2025374 AMAQI
18th Sep 2025395 AMAQI

27°C24/30°C

18th Sep 2025396 AMAQI
18th Sep 2025397 AMAQI
18th Sep 2025398 AMAQI
18th Sep 2025259 AMAQI
18th Sep 20251710 AMAQI
18th Sep 20251711 AMAQI
18th Sep 20251712 PMAQI
18th Sep 2025171 PMAQI
18th Sep 2025202 PMAQI
18th Sep 2025183 PMAQI
18th Sep 2025194 PMAQI
18th Sep 2025165 PMAQI
18th Sep 2025186 PMAQI
18th Sep 2025167 PMAQI
18th Sep 2025218 PMAQI
18th Sep 2025279 PMAQI
18th Sep 20252710 PMAQI
18th Sep 20253011 PMAQI
19th Sep 20252412 AMAQI
19th Sep 2025261 AMAQI
19th Sep 2025332 AMAQI
19th Sep 2025343 AMAQI
19th Sep 2025334 AMAQI
19th Sep 2025315 AMAQI

25°C22/28°C

19th Sep 2025316 AMAQI
19th Sep 2025307 AMAQI
19th Sep 2025318 AMAQI
19th Sep 2025209 AMAQI
19th Sep 20251610 AMAQI
19th Sep 20251811 AMAQI
19th Sep 20251712 PMAQI
19th Sep 2025181 PMAQI
19th Sep 2025202 PMAQI
19th Sep 2025243 PMAQI
19th Sep 2025314 PMAQI
19th Sep 2025265 PMAQI
19th Sep 2025256 PMAQI
19th Sep 2025257 PMAQI
19th Sep 2025298 PMAQI
19th Sep 2025309 PMAQI
19th Sep 20253010 PMAQI
19th Sep 20252911 PMAQI
20th Sep 20252812 AMAQI
20th Sep 2025291 AMAQI
20th Sep 2025282 AMAQI
20th Sep 2025283 AMAQI
20th Sep 2025284 AMAQI
20th Sep 2025285 AMAQI

24°C20/27°C

20th Sep 2025286 AMAQI
20th Sep 2025287 AMAQI
20th Sep 2025288 AMAQI
20th Sep 2025309 AMAQI
20th Sep 20253510 AMAQI
20th Sep 20253811 AMAQI
20th Sep 20253812 PMAQI
20th Sep 2025461 PMAQI
20th Sep 2025522 PMAQI
20th Sep 2025533 PMAQI
20th Sep 2025454 PMAQI
20th Sep 2025315 PMAQI
20th Sep 2025236 PMAQI
20th Sep 2025237 PMAQI
20th Sep 2025298 PMAQI
20th Sep 2025319 PMAQI
20th Sep 20253310 PMAQI
20th Sep 20253311 PMAQI
21st Sep 20252812 AMAQI
21st Sep 2025261 AMAQI
21st Sep 2025282 AMAQI
21st Sep 2025283 AMAQI
21st Sep 2025294 AMAQI
21st Sep 2025315 AMAQI

24°C22/26°C

21st Sep 2025316 AMAQI
21st Sep 2025317 AMAQI
21st Sep 2025318 AMAQI
21st Sep 2025219 AMAQI
21st Sep 20251610 AMAQI
21st Sep 20251511 AMAQI
21st Sep 20251812 PMAQI
21st Sep 2025171 PMAQI
21st Sep 2025172 PMAQI
21st Sep 2025153 PMAQI
21st Sep 2025144 PMAQI
21st Sep 2025165 PMAQI
21st Sep 2025176 PMAQI
21st Sep 2025147 PMAQI
21st Sep 2025188 PMAQI
21st Sep 2025229 PMAQI
21st Sep 20252210 PMAQI
21st Sep 20252211 PMAQI
22nd Sep 20252312 AMAQI
22nd Sep 2025261 AMAQI
22nd Sep 2025282 AMAQI
22nd Sep 2025283 AMAQI
22nd Sep 2025284 AMAQI
22nd Sep 2025275 AMAQI

24°C19/28°C

22nd Sep 2025276 AMAQI
22nd Sep 2025277 AMAQI
22nd Sep 2025278 AMAQI
22nd Sep 2025209 AMAQI
22nd Sep 20251610 AMAQI
22nd Sep 20251711 AMAQI
22nd Sep 20251812 PMAQI
22nd Sep 2025191 PMAQI
22nd Sep 2025192 PMAQI
22nd Sep 2025193 PMAQI
22nd Sep 2025214 PMAQI
22nd Sep 2025245 PMAQI
22nd Sep 2025266 PMAQI
22nd Sep 2025287 PMAQI
22nd Sep 2025298 PMAQI
22nd Sep 2025299 PMAQI
22nd Sep 20252710 PMAQI
22nd Sep 20252811 PMAQI
23rd Sep 20252712 AMAQI
23rd Sep 2025271 AMAQI
23rd Sep 2025272 AMAQI
23rd Sep 2025263 AMAQI
23rd Sep 2025264 AMAQI
23rd Sep 2025255 AMAQI

22°C18/27°C

23rd Sep 2025256 AMAQI
23rd Sep 2025257 AMAQI
23rd Sep 2025258 AMAQI
23rd Sep 2025319 AMAQI
23rd Sep 20253010 AMAQI
23rd Sep 20253211 AMAQI
23rd Sep 20253012 PMAQI
23rd Sep 2025261 PMAQI
23rd Sep 2025232 PMAQI
23rd Sep 2025193 PMAQI
23rd Sep 2025194 PMAQI
23rd Sep 2025195 PMAQI
23rd Sep 2025216 PMAQI
23rd Sep 2025217 PMAQI
23rd Sep 2025208 PMAQI
23rd Sep 2025239 PMAQI
23rd Sep 20252410 PMAQI
23rd Sep 20252711 PMAQI
24th Sep 20252712 AMAQI
24th Sep 2025271 AMAQI
24th Sep 2025272 AMAQI
24th Sep 2025263 AMAQI
24th Sep 2025264 AMAQI
24th Sep 2025265 AMAQI

22°C20/24°C

24th Sep 2025276 AMAQI
24th Sep 2025267 AMAQI
24th Sep 2025278 AMAQI
24th Sep 2025279 AMAQI
24th Sep 20252610 AMAQI
24th Sep 20253011 AMAQI
24th Sep 20253212 PMAQI
24th Sep 2025341 PMAQI
24th Sep 2025382 PMAQI
24th Sep 2025353 PMAQI
24th Sep 2025334 PMAQI
24th Sep 2025395 PMAQI
24th Sep 2025396 PMAQI
24th Sep 2025347 PMAQI
24th Sep 2025348 PMAQI
24th Sep 2025279 PMAQI
24th Sep 20252710 PMAQI
24th Sep 20252611 PMAQI
25th Sep 20252712 AMAQI
25th Sep 2025281 AMAQI
25th Sep 2025272 AMAQI
25th Sep 2025273 AMAQI
25th Sep 2025284 AMAQI
25th Sep 2025285 AMAQI

24°C21/27°C

25th Sep 2025276 AMAQI
25th Sep 2025277 AMAQI
25th Sep 2025278 AMAQI
25th Sep 2025219 AMAQI
25th Sep 20252010 AMAQI
25th Sep 20252511 AMAQI
25th Sep 20252512 PMAQI
25th Sep 2025211 PMAQI
25th Sep 2025262 PMAQI
25th Sep 2025273 PMAQI
25th Sep 2025264 PMAQI
25th Sep 2025265 PMAQI
25th Sep 2025286 PMAQI
25th Sep 2025237 PMAQI
25th Sep 2025228 PMAQI
25th Sep 2025229 PMAQI
25th Sep 20252110 PMAQI
25th Sep 20251911 PMAQI
26th Sep 20252012 AMAQI
26th Sep 2025181 AMAQI
26th Sep 2025182 AMAQI
26th Sep 2025203 AMAQI
26th Sep 2025234 AMAQI
26th Sep 2025265 AMAQI

24°C23/26°C

26th Sep 2025316 AMAQI
26th Sep 2025337 AMAQI
26th Sep 2025368 AMAQI
26th Sep 2025419 AMAQI
26th Sep 20255510 AMAQI
26th Sep 20255211 AMAQI
26th Sep 20254412 PMAQI
26th Sep 2025421 PMAQI
26th Sep 2025492 PMAQI
26th Sep 2025493 PMAQI
26th Sep 2025484 PMAQI
26th Sep 2025495 PMAQI
26th Sep 2025466 PMAQI
26th Sep 2025297 PMAQI
26th Sep 2025228 PMAQI
26th Sep 2025219 PMAQI
26th Sep 20251910 PMAQI
26th Sep 20251911 PMAQI
27th Sep 20251812 AMAQI
27th Sep 2025201 AMAQI
27th Sep 2025212 AMAQI
27th Sep 2025203 AMAQI
27th Sep 2025204 AMAQI
27th Sep 2025205 AMAQI

24°C21/28°C

27th Sep 2025206 AMAQI
27th Sep 2025207 AMAQI
27th Sep 2025258 AMAQI
27th Sep 2025289 AMAQI
27th Sep 20252510 AMAQI
27th Sep 20252611 AMAQI
27th Sep 20252912 PMAQI
27th Sep 2025291 PMAQI
27th Sep 2025262 PMAQI
27th Sep 2025333 PMAQI
27th Sep 2025374 PMAQI
27th Sep 2025315 PMAQI
27th Sep 2025316 PMAQI
27th Sep 2025357 PMAQI
27th Sep 2025358 PMAQI
27th Sep 2025339 PMAQI
27th Sep 20253110 PMAQI
27th Sep 20252811 PMAQI
28th Sep 20252912 AMAQI
28th Sep 2025311 AMAQI
28th Sep 2025292 AMAQI
28th Sep 2025293 AMAQI
28th Sep 2025314 AMAQI
28th Sep 2025315 AMAQI

22°C20/25°C

28th Sep 2025296 AMAQI
28th Sep 2025347 AMAQI
28th Sep 2025368 AMAQI
28th Sep 2025349 AMAQI
28th Sep 20253410 AMAQI
28th Sep 20253611 AMAQI
28th Sep 20253612 PMAQI
28th Sep 2025351 PMAQI
28th Sep 2025382 PMAQI
28th Sep 2025363 PMAQI
28th Sep 2025354 PMAQI
28th Sep 2025335 PMAQI
28th Sep 2025346 PMAQI
28th Sep 2025357 PMAQI
28th Sep 2025368 PMAQI
28th Sep 2025379 PMAQI
28th Sep 20253610 PMAQI
28th Sep 20253811 PMAQI
29th Sep 20253812 AMAQI
29th Sep 2025401 AMAQI
29th Sep 2025482 AMAQI
29th Sep 2025483 AMAQI
29th Sep 2025404 AMAQI
29th Sep 2025495 AMAQI

21°C19/23°C

29th Sep 2025356 AMAQI
29th Sep 2025327 AMAQI
29th Sep 2025348 AMAQI
29th Sep 2025199 AMAQI
29th Sep 20252010 AMAQI
29th Sep 20252111 AMAQI
29th Sep 20252112 PMAQI
29th Sep 2025301 PMAQI
29th Sep 2025322 PMAQI
29th Sep 2025363 PMAQI
29th Sep 2025374 PMAQI
29th Sep 2025365 PMAQI
29th Sep 2025346 PMAQI
29th Sep 2025357 PMAQI
29th Sep 2025368 PMAQI
29th Sep 2025319 PMAQI
29th Sep 20253210 PMAQI
29th Sep 20253811 PMAQI
30th Sep 20253612 AMAQI
30th Sep 2025421 AMAQI
30th Sep 2025432 AMAQI
30th Sep 2025363 AMAQI
30th Sep 2025404 AMAQI
30th Sep 2025365 AMAQI

23°C18/27°C

30th Sep 2025346 AMAQI
30th Sep 2025417 AMAQI
30th Sep 2025398 AMAQI
30th Sep 2025489 AMAQI
30th Sep 20254710 AMAQI
30th Sep 20254911 AMAQI
30th Sep 20255312 PMAQI
30th Sep 2025531 PMAQI
30th Sep 2025592 PMAQI
30th Sep 2025583 PMAQI
30th Sep 2025564 PMAQI
30th Sep 2025555 PMAQI
30th Sep 2025476 PMAQI
30th Sep 2025497 PMAQI
30th Sep 2025508 PMAQI
30th Sep 2025529 PMAQI
30th Sep 20255010 PMAQI
30th Sep 20255211 PMAQI
1st Oct 20255612 AMAQI
1st Oct 2025501 AMAQI
1st Oct 2025482 AMAQI
1st Oct 2025493 AMAQI
1st Oct 2025534 AMAQI
1st Oct 2025515 AMAQI

20°C16/25°C

1st Oct 2025526 AMAQI
1st Oct 2025567 AMAQI
1st Oct 2025548 AMAQI
1st Oct 2025529 AMAQI
1st Oct 20255610 AMAQI
1st Oct 20255811 AMAQI
1st Oct 20255612 PMAQI
1st Oct 2025551 PMAQI
1st Oct 2025552 PMAQI
1st Oct 2025543 PMAQI
1st Oct 2025544 PMAQI
1st Oct 2025545 PMAQI
1st Oct 2025526 PMAQI
1st Oct 2025507 PMAQI
1st Oct 2025548 PMAQI
1st Oct 2025509 PMAQI
1st Oct 20254710 PMAQI
1st Oct 20254511 PMAQI
2nd Oct 20254412 AMAQI
2nd Oct 2025441 AMAQI
2nd Oct 2025422 AMAQI
2nd Oct 2025453 AMAQI
2nd Oct 2025454 AMAQI
2nd Oct 2025465 AMAQI

21°C17/25°C

2nd Oct 2025516 AMAQI
2nd Oct 2025527 AMAQI
2nd Oct 2025518 AMAQI
2nd Oct 2025509 AMAQI
2nd Oct 20254910 AMAQI
2nd Oct 20255111 AMAQI
2nd Oct 20255412 PMAQI
2nd Oct 2025541 PMAQI
2nd Oct 2025522 PMAQI
2nd Oct 2025543 PMAQI
2nd Oct 2025554 PMAQI
2nd Oct 2025545 PMAQI
2nd Oct 2025536 PMAQI
2nd Oct 2025537 PMAQI
2nd Oct 2025548 PMAQI
2nd Oct 2025549 PMAQI
2nd Oct 20255910 PMAQI
2nd Oct 20255911 PMAQI
3rd Oct 20255612 AMAQI
3rd Oct 2025561 AMAQI
3rd Oct 2025562 AMAQI
3rd Oct 2025533 AMAQI
3rd Oct 2025544 AMAQI
3rd Oct 2025525 AMAQI

21°C16/25°C

3rd Oct 2025536 AMAQI
3rd Oct 2025537 AMAQI
3rd Oct 2025538 AMAQI
3rd Oct 2025569 AMAQI
3rd Oct 20255710 AMAQI
3rd Oct 20255711 AMAQI
3rd Oct 20255612 PMAQI
3rd Oct 2025561 PMAQI
3rd Oct 2025532 PMAQI
3rd Oct 2025533 PMAQI
3rd Oct 2025514 PMAQI
3rd Oct 2025535 PMAQI
3rd Oct 2025516 PMAQI
3rd Oct 2025507 PMAQI
3rd Oct 2025418 PMAQI
3rd Oct 2025549 PMAQI
3rd Oct 20255310 PMAQI
3rd Oct 20255011 PMAQI
4th Oct 20255112 AMAQI
4th Oct 2025471 AMAQI
4th Oct 2025552 AMAQI
4th Oct 2025563 AMAQI
4th Oct 2025564 AMAQI
4th Oct 2025575 AMAQI

19°C19/20°C

4th Oct 2025576 AMAQI
4th Oct 2025567 AMAQI
4th Oct 2025498 AMAQI
4th Oct 2025509 AMAQI
4th Oct 20255310 AMAQI
4th Oct 20255711 AMAQI
4th Oct 20256112 PMAQI
4th Oct 2025631 PMAQI
4th Oct 2025622 PMAQI
4th Oct 2025603 PMAQI
4th Oct 2025584 PMAQI
4th Oct 2025575 PMAQI
4th Oct 2025546 PMAQI
4th Oct 2025577 PMAQI
4th Oct 2025608 PMAQI
4th Oct 2025599 PMAQI
4th Oct 20255710 PMAQI
4th Oct 20256211 PMAQI
5th Oct 20256512 AMAQI
5th Oct 2025671 AMAQI
5th Oct 2025662 AMAQI
5th Oct 2025623 AMAQI
5th Oct 2025534 AMAQI
5th Oct 2025445 AMAQI

24°C22/26°C

5th Oct 2025456 AMAQI
5th Oct 2025397 AMAQI
5th Oct 2025428 AMAQI
5th Oct 2025419 AMAQI
5th Oct 20254310 AMAQI
5th Oct 20254411 AMAQI
5th Oct 20254512 PMAQI
5th Oct 2025451 PMAQI
5th Oct 2025522 PMAQI
5th Oct 2025543 PMAQI
5th Oct 2025484 PMAQI
5th Oct 2025505 PMAQI
5th Oct 2025496 PMAQI
5th Oct 2025517 PMAQI
5th Oct 2025508 PMAQI
5th Oct 2025539 PMAQI
5th Oct 20255110 PMAQI
5th Oct 20255411 PMAQI
6th Oct 20255312 AMAQI
6th Oct 2025551 AMAQI
6th Oct 2025522 AMAQI
6th Oct 2025523 AMAQI
6th Oct 2025544 AMAQI
6th Oct 2025515 AMAQI

24°C20/28°C

6th Oct 2025526 AMAQI
6th Oct 2025487 AMAQI
6th Oct 2025488 AMAQI
6th Oct 2025479 AMAQI
6th Oct 20255010 AMAQI
6th Oct 20255411 AMAQI
6th Oct 20256512 PMAQI
6th Oct 2025701 PMAQI
6th Oct 2025672 PMAQI
6th Oct 2025553 PMAQI
6th Oct 2025524 PMAQI
6th Oct 2025515 PMAQI
6th Oct 2025516 PMAQI
6th Oct 2025517 PMAQI
6th Oct 2025508 PMAQI
6th Oct 2025549 PMAQI
6th Oct 20255610 PMAQI
6th Oct 20255911 PMAQI
7th Oct 20255812 AMAQI
7th Oct 2025571 AMAQI
7th Oct 2025552 AMAQI

23°C19/26°C

7th Oct 2025498 PMAQI
7th Oct 2025409 PMAQI
7th Oct 20255910 PMAQI
7th Oct 20256211 PMAQI
8th Oct 20255812 AMAQI
8th Oct 2025571 AMAQI
8th Oct 2025572 AMAQI
8th Oct 2025583 AMAQI
8th Oct 2025604 AMAQI
8th Oct 2025585 AMAQI

23°C20/27°C

8th Oct 2025556 AMAQI
8th Oct 2025517 AMAQI
8th Oct 2025518 AMAQI
8th Oct 2025549 AMAQI
8th Oct 20255310 AMAQI
8th Oct 20255311 AMAQI
8th Oct 20255312 PMAQI
8th Oct 2025531 PMAQI
8th Oct 2025522 PMAQI
8th Oct 2025623 PMAQI
8th Oct 2025634 PMAQI
8th Oct 2025645 PMAQI
8th Oct 2025596 PMAQI
8th Oct 2025577 PMAQI
8th Oct 2025578 PMAQI
8th Oct 2025589 PMAQI
8th Oct 20255410 PMAQI
8th Oct 20255311 PMAQI
9th Oct 20255112 AMAQI
9th Oct 2025501 AMAQI
9th Oct 2025512 AMAQI
9th Oct 2025503 AMAQI
9th Oct 2025454 AMAQI
9th Oct 2025495 AMAQI

23°C20/27°C

9th Oct 2025506 AMAQI
9th Oct 2025447 AMAQI
9th Oct 2025428 AMAQI
9th Oct 2025429 AMAQI
9th Oct 20254710 AMAQI
9th Oct 20254411 AMAQI
9th Oct 20254412 PMAQI
9th Oct 2025401 PMAQI
9th Oct 2025412 PMAQI
9th Oct 2025423 PMAQI
9th Oct 2025444 PMAQI
9th Oct 2025525 PMAQI
9th Oct 2025526 PMAQI
9th Oct 2025537 PMAQI
9th Oct 2025518 PMAQI
9th Oct 2025499 PMAQI
9th Oct 20255310 PMAQI
9th Oct 20255411 PMAQI
10th Oct 20255412 AMAQI
10th Oct 2025551 AMAQI
10th Oct 2025532 AMAQI
10th Oct 2025503 AMAQI
10th Oct 2025444 AMAQI
10th Oct 2025495 AMAQI

21°C18/26°C

10th Oct 2025446 AMAQI
10th Oct 2025557 AMAQI
10th Oct 2025548 AMAQI
10th Oct 2025489 AMAQI
10th Oct 20254810 AMAQI
10th Oct 20255111 AMAQI
10th Oct 20255312 PMAQI
10th Oct 2025541 PMAQI
10th Oct 2025542 PMAQI
10th Oct 2025573 PMAQI
10th Oct 2025574 PMAQI
10th Oct 2025565 PMAQI
10th Oct 2025576 PMAQI
10th Oct 2025587 PMAQI
10th Oct 2025588 PMAQI
10th Oct 2025599 PMAQI
10th Oct 20256210 PMAQI
10th Oct 20256111 PMAQI
11th Oct 20256412 AMAQI
11th Oct 2025641 AMAQI
11th Oct 2025632 AMAQI
11th Oct 2025593 AMAQI
11th Oct 2025584 AMAQI
11th Oct 2025605 AMAQI

20°C16/25°C

11th Oct 2025616 AMAQI
11th Oct 2025607 AMAQI
11th Oct 2025598 AMAQI
11th Oct 2025559 AMAQI
11th Oct 20255210 AMAQI
11th Oct 20255811 AMAQI
11th Oct 20255912 PMAQI
11th Oct 2025601 PMAQI
11th Oct 2025582 PMAQI
11th Oct 2025573 PMAQI
11th Oct 2025574 PMAQI
11th Oct 2025555 PMAQI
11th Oct 2025576 PMAQI
11th Oct 2025597 PMAQI
11th Oct 2025648 PMAQI
11th Oct 2025659 PMAQI
11th Oct 20256610 PMAQI
11th Oct 20256811 PMAQI
12th Oct 20257012 AMAQI
12th Oct 2025691 AMAQI
12th Oct 2025682 AMAQI
12th Oct 2025673 AMAQI
12th Oct 2025664 AMAQI
12th Oct 2025675 AMAQI

23°C19/27°C

12th Oct 2025736 AMAQI
12th Oct 2025757 AMAQI
12th Oct 2025758 AMAQI
12th Oct 2025679 AMAQI
12th Oct 20256710 AMAQI
12th Oct 20257111 AMAQI
12th Oct 20256912 PMAQI
12th Oct 2025811 PMAQI
12th Oct 2025802 PMAQI
12th Oct 2025793 PMAQI
12th Oct 2025754 PMAQI
12th Oct 2025765 PMAQI
12th Oct 2025746 PMAQI
12th Oct 2025747 PMAQI
12th Oct 2025688 PMAQI
12th Oct 2025649 PMAQI
12th Oct 20256410 PMAQI
12th Oct 20255711 PMAQI
13th Oct 20255512 AMAQI
13th Oct 2025551 AMAQI
13th Oct 2025512 AMAQI
13th Oct 2025483 AMAQI
13th Oct 2025464 AMAQI
13th Oct 2025475 AMAQI

24°C20/28°C

13th Oct 2025496 AMAQI
13th Oct 2025497 AMAQI
13th Oct 2025478 AMAQI
13th Oct 2025469 AMAQI
13th Oct 20254510 AMAQI
13th Oct 20254311 AMAQI
13th Oct 20253712 PMAQI
13th Oct 2025401 PMAQI
13th Oct 2025422 PMAQI
13th Oct 2025413 PMAQI
13th Oct 2025444 PMAQI
13th Oct 2025435 PMAQI
13th Oct 2025386 PMAQI
13th Oct 2025417 PMAQI
13th Oct 2025448 PMAQI
13th Oct 2025459 PMAQI
13th Oct 20254610 PMAQI
13th Oct 20254411 PMAQI
14th Oct 20254112 AMAQI
14th Oct 2025481 AMAQI
14th Oct 2025512 AMAQI
14th Oct 2025523 AMAQI
14th Oct 2025534 AMAQI
14th Oct 2025545 AMAQI

23°C19/28°C

14th Oct 2025536 AMAQI
6 AM
14th Oct 2025527 AMAQI
14th Oct 2025568 AMAQI
14th Oct 2025579 AMAQI
14th Oct 20255710 AMAQI
14th Oct 20255711 AMAQI
14th Oct 20255912 PMAQI
12 PM
14th Oct 2025601 PMAQI
14th Oct 2025622 PMAQI
14th Oct 2025613 PMAQI
14th Oct 2025644 PMAQI
14th Oct 2025655 PMAQI
14th Oct 2025716 PMAQI
6 PM
14th Oct 2025697 PMAQI
14th Oct 2025628 PMAQI
14th Oct 2025689 PMAQI
14th Oct 20256110 PMAQI
12 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
6 AM - 6 PM

41AQI

13 hours / Day
390 hours / Month
Avg. Lowest Time
9 AM - 6 PM

42AQI

10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 6 PM (Avg. 41), while the lowest AQI was between 9 AM to 6 PM (Avg. 42).
Night time
Avg. Highest Time
12 AM - 11 PM

41AQI

11 hours / Day
330 hours / Month
Avg. Lowest Time
12 AM - 11 PM

41AQI

11 hours / Day
330 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 41), while the lowest AQI was between 12 AM to 11 PM (Avg. 41).

2025 Days Vs Air Quality

Kudamatsu, Yamaguchi, Japan

2025

69%

198

31%

88

Total number of days with different AQI categories in last 287 days in 2025 (78 days remaining)

Good
198 Days
Moderate
88 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 69%

Health Risk Level:

Moderate

In 2025, 69% of 287 days were within WHO’s safe air quality limits, and 31% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.

Annual Air Quality Insights

Kudamatsu, Yamaguchi, Japan

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
31AQI
2nd January 2025
43AQI
3rd January 2025
37AQI
4th January 2025
32AQI
5th January 2025
29AQI
6th January 2025
43AQI
7th January 2025
30AQI
8th January 2025
35AQI
9th January 2025
29AQI
10th January 2025
29AQI
11th January 2025
29AQI
12th January 2025
31AQI
13th January 2025
40AQI
14th January 2025
47AQI
15th January 2025
38AQI
16th January 2025
37AQI
17th January 2025
38AQI
18th January 2025
35AQI
19th January 2025
43AQI
20th January 2025
43AQI
21st January 2025
51AQI
22nd January 2025
67AQI
23rd January 2025
71AQI
24th January 2025
71AQI
25th January 2025
44AQI
26th January 2025
42AQI
27th January 2025
36AQI
28th January 2025
35AQI
29th January 2025
31AQI
30th January 2025
44AQI
31st January 2025
47AQI
1st February 2025
48AQI
2nd February 2025
35AQI
3rd February 2025
46AQI
4th February 2025
32AQI
5th February 2025
38AQI
6th February 2025
31AQI
7th February 2025
36AQI
8th February 2025
31AQI
9th February 2025
31AQI
10th February 2025
31AQI
11th February 2025
34AQI
12th February 2025
36AQI
13th February 2025
31AQI
14th February 2025
40AQI
15th February 2025
31AQI
16th February 2025
41AQI
17th February 2025
40AQI
18th February 2025
35AQI
19th February 2025
36AQI
20th February 2025
32AQI
21st February 2025
35AQI
22nd February 2025
38AQI
23rd February 2025
36AQI
24th February 2025
40AQI
25th February 2025
38AQI
26th February 2025
51AQI
27th February 2025
69AQI
28th February 2025
60AQI
1st March 2025
68AQI
2nd March 2025
56AQI
3rd March 2025
46AQI
4th March 2025
40AQI
5th March 2025
36AQI
6th March 2025
36AQI
7th March 2025
33AQI
8th March 2025
39AQI
9th March 2025
41AQI
10th March 2025
40AQI
11th March 2025
43AQI
12th March 2025
52AQI
13th March 2025
53AQI
14th March 2025
43AQI
15th March 2025
35AQI
16th March 2025
26AQI
17th March 2025
36AQI
18th March 2025
36AQI
19th March 2025
41AQI
20th March 2025
50AQI
21st March 2025
56AQI
22nd March 2025
68AQI
23rd March 2025
70AQI
24th March 2025
61AQI
25th March 2025
68AQI
26th March 2025
72AQI
27th March 2025
58AQI
28th March 2025
60AQI
29th March 2025
53AQI
30th March 2025
48AQI
31st March 2025
46AQI
1st April 2025
49AQI
2nd April 2025
43AQI
3rd April 2025
39AQI
4th April 2025
44AQI
5th April 2025
48AQI
6th April 2025
51AQI
7th April 2025
49AQI
8th April 2025
50AQI
9th April 2025
59AQI
10th April 2025
59AQI
11th April 2025
60AQI
12th April 2025
57AQI
13th April 2025
54AQI
14th April 2025
52AQI
15th April 2025
43AQI
16th April 2025
53AQI
17th April 2025
54AQI
18th April 2025
60AQI
19th April 2025
58AQI
20th April 2025
47AQI
21st April 2025
50AQI
22nd April 2025
49AQI
23rd April 2025
39AQI
24th April 2025
48AQI
25th April 2025
63AQI
26th April 2025
58AQI
27th April 2025
59AQI
28th April 2025
54AQI
29th April 2025
54AQI
30th April 2025
56AQI
1st May 2025
53AQI
2nd May 2025
47AQI
3rd May 2025
51AQI
4th May 2025
46AQI
5th May 2025
47AQI
6th May 2025
41AQI
7th May 2025
45AQI
8th May 2025
48AQI
9th May 2025
42AQI
10th May 2025
44AQI
11th May 2025
48AQI
12th May 2025
54AQI
13th May 2025
58AQI
14th May 2025
60AQI
15th May 2025
56AQI
16th May 2025
55AQI
17th May 2025
49AQI
18th May 2025
57AQI
19th May 2025
60AQI
20th May 2025
59AQI
21st May 2025
45AQI
22nd May 2025
48AQI
23rd May 2025
50AQI
24th May 2025
41AQI
25th May 2025
39AQI
26th May 2025
43AQI
27th May 2025
46AQI
28th May 2025
47AQI
29th May 2025
48AQI
30th May 2025
47AQI
31st May 2025
46AQI
1st June 2025
51AQI
2nd June 2025
55AQI
3rd June 2025
40AQI
4th June 2025
50AQI
5th June 2025
51AQI
6th June 2025
56AQI
7th June 2025
59AQI
8th June 2025
60AQI
9th June 2025
60AQI
10th June 2025
44AQI
11th June 2025
51AQI
12th June 2025
54AQI
13th June 2025
54AQI
14th June 2025
46AQI
15th June 2025
44AQI
16th June 2025
45AQI
17th June 2025
44AQI
18th June 2025
49AQI
19th June 2025
49AQI
20th June 2025
53AQI
21st June 2025
54AQI
22nd June 2025
48AQI
23rd June 2025
43AQI
24th June 2025
44AQI
25th June 2025
42AQI
26th June 2025
50AQI
27th June 2025
52AQI
28th June 2025
49AQI
29th June 2025
53AQI
30th June 2025
54AQI
1st July 2025
57AQI
2nd July 2025
68AQI
3rd July 2025
82AQI
4th July 2025
79AQI
5th July 2025
73AQI
6th July 2025
59AQI
7th July 2025
60AQI
8th July 2025
64AQI
9th July 2025
71AQI
10th July 2025
78AQI
11th July 2025
67AQI
12th July 2025
61AQI
13th July 2025
51AQI
14th July 2025
45AQI
15th July 2025
55AQI
16th July 2025
56AQI
17th July 2025
46AQI
18th July 2025
43AQI
19th July 2025
40AQI
20th July 2025
35AQI
21st July 2025
30AQI
22nd July 2025
29AQI
23rd July 2025
28AQI
24th July 2025
29AQI
25th July 2025
30AQI
26th July 2025
26AQI
27th July 2025
26AQI
28th July 2025
26AQI
29th July 2025
25AQI
30th July 2025
27AQI
31st July 2025
30AQI
1st August 2025
44AQI
2nd August 2025
43AQI
3rd August 2025
45AQI
4th August 2025
49AQI
5th August 2025
47AQI
6th August 2025
44AQI
7th August 2025
50AQI
8th August 2025
47AQI
9th August 2025
40AQI
10th August 2025
40AQI
11th August 2025
31AQI
12th August 2025
31AQI
13th August 2025
39AQI
14th August 2025
43AQI
15th August 2025
41AQI
16th August 2025
39AQI
17th August 2025
39AQI
18th August 2025
44AQI
19th August 2025
53AQI
20th August 2025
49AQI
21st August 2025
43AQI
22nd August 2025
42AQI
23rd August 2025
45AQI
24th August 2025
41AQI
25th August 2025
41AQI
26th August 2025
43AQI
27th August 2025
43AQI
28th August 2025
43AQI
29th August 2025
48AQI
30th August 2025
46AQI
31st August 2025
43AQI
1st September 2025
40AQI
2nd September 2025
34AQI
3rd September 2025
35AQI
4th September 2025
27AQI
5th September 2025
24AQI
6th September 2025
27AQI
7th September 2025
32AQI
8th September 2025
31AQI
9th September 2025
29AQI
10th September 2025
31AQI
11th September 2025
29AQI
12th September 2025
28AQI
13th September 2025
32AQI
14th September 2025
28AQI
15th September 2025
33AQI
16th September 2025
41AQI
17th September 2025
36AQI
18th September 2025
26AQI
19th September 2025
27AQI
20th September 2025
32AQI
21st September 2025
23AQI
22nd September 2025
25AQI
23rd September 2025
25AQI
24th September 2025
30AQI
25th September 2025
25AQI
26th September 2025
31AQI
27th September 2025
26AQI
28th September 2025
33AQI
29th September 2025
35AQI
30th September 2025
46AQI
1st October 2025
53AQI
2nd October 2025
49AQI
3rd October 2025
53AQI
4th October 2025
56AQI
5th October 2025
52AQI
6th October 2025
53AQI
7th October 2025
54AQI
8th October 2025
57AQI
9th October 2025
49AQI
10th October 2025
54AQI
11th October 2025
60AQI
12th October 2025
71AQI
13th October 2025
47AQI
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

41AQI

39AQI

49AQI

52AQI

49AQI

50AQI

48AQI

43AQI

31AQI

54AQI

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202545AQI

27
4
25
3
18
13
13
17
21
10
15
15
16
15
30
1
30
3
10
198
88

Highest AQI recorded in

October

54AQI

Lowest AQI recorded in

September

31AQI

202439AQI

31
24
5
25
6
19
11
27
4
27
3
31
25
6
23
7
30
1
20
10
31
313
53

Highest AQI recorded in

April

50AQI

Lowest AQI recorded in

December

32AQI

202341AQI

25
4
2
26
2
20
11
14
16
22
9
23
7
26
5
29
2
27
3
26
5
23
6
25
6
286
76
2

Highest AQI recorded in

April

52AQI

Lowest AQI recorded in

August

29AQI

202242AQI

26
5
18
3
22
9
21
9
17
14
22
8
20
5
2
28
1
25
6
26
4
31
258
64

Highest AQI recorded in

May

51AQI

Lowest AQI recorded in

December

36AQI

202140AQI

26
5
23
5
24
5
19
2
22
9
14
16
30
1
29
2
26
4
27
4
24
6
30
1
294
60

Highest AQI recorded in

June

49AQI

Lowest AQI recorded in

December

36AQI

202040AQI

11
2
14
7
13
5
18
12
28
3
15
6
1
16
3
28
3
28
2
26
5
197
48
1

Highest AQI recorded in

June

49AQI

Lowest AQI recorded in

July

35AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
45AQI
Least Polluted Year Recorded
2024(Avg.)
39AQI

Kudamatsu's annual 2025 AQI (45) shows an average percentage change of 11.3% (worsened AQI) compared to previous years: 2020 (40), 2021 (40), 2022 (42), 2023 (41), 2024 (39).