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HistoryAQIPM2.5PM10COSO2NO2O3

Yashima, Kumamoto, 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

Yashima, Kumamoto, Japan

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
23rd Oct 2024
187AQI
Lowest AQI recorded on
9th Oct 2023
26AQI

Same Day Analysis (3rd October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 62 of Moderate air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 4th Oct - 5th Oct 2025

Yashima, Kumamoto, Japan

AQI
Day
Night
.

6 AM4th Oct 2025

6 PM

5 AM5th Oct 2025

Day time
Avg. Highest Time
12AMNaNth undefined

AQI

Avg. Lowest Time
12AMNaNth undefined

AQI

Night time
Avg. Highest Time
11AM4th Oct

83AQI

Avg. Lowest Time
7PM4th Oct

39AQI

In the last 24 hours,

Yashima's AQI reached its highest point of 83 at 11 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 4th Oct and 5th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Yashima, Kumamoto, Japan

SepOct
05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th
Day
Night
5th Sep 2025366 AMAQI
5th Sep 2025387 AMAQI
5th Sep 2025388 AMAQI
5th Sep 2025219 AMAQI
5th Sep 20252510 AMAQI
5th Sep 20251911 AMAQI
5th Sep 20252512 PMAQI
5th Sep 2025301 PMAQI
5th Sep 2025292 PMAQI
5th Sep 2025353 PMAQI
5th Sep 2025384 PMAQI
5th Sep 2025385 PMAQI
5th Sep 2025346 PMAQI
5th Sep 2025367 PMAQI
5th Sep 2025268 PMAQI
5th Sep 2025279 PMAQI
5th Sep 20252510 PMAQI
5th Sep 20252711 PMAQI
6th Sep 20252512 AMAQI
6th Sep 2025261 AMAQI
6th Sep 2025242 AMAQI
6th Sep 2025243 AMAQI
6th Sep 2025264 AMAQI
6th Sep 2025275 AMAQI

28°C25/31°C

6th Sep 2025286 AMAQI
6th Sep 2025287 AMAQI
6th Sep 2025288 AMAQI
6th Sep 2025269 AMAQI
6th Sep 20253910 AMAQI
6th Sep 20254511 AMAQI
6th Sep 20254112 PMAQI
6th Sep 2025381 PMAQI
6th Sep 2025422 PMAQI
6th Sep 2025363 PMAQI
6th Sep 2025404 PMAQI
6th Sep 2025375 PMAQI
6th Sep 2025316 PMAQI
6th Sep 2025307 PMAQI
6th Sep 2025308 PMAQI
6th Sep 2025299 PMAQI
6th Sep 20252910 PMAQI
6th Sep 20252611 PMAQI
7th Sep 20252812 AMAQI
7th Sep 2025261 AMAQI
7th Sep 2025252 AMAQI
7th Sep 2025253 AMAQI
7th Sep 2025284 AMAQI
7th Sep 2025285 AMAQI

28°C25/32°C

7th Sep 2025286 AMAQI
7th Sep 2025287 AMAQI
7th Sep 2025288 AMAQI
7th Sep 2025309 AMAQI
7th Sep 20253210 AMAQI
7th Sep 20253211 AMAQI
7th Sep 20254112 PMAQI
7th Sep 2025391 PMAQI
7th Sep 2025422 PMAQI
7th Sep 2025473 PMAQI
7th Sep 2025434 PMAQI
7th Sep 2025485 PMAQI
7th Sep 2025476 PMAQI
7th Sep 2025527 PMAQI
7th Sep 2025428 PMAQI
7th Sep 2025379 PMAQI
7th Sep 20253410 PMAQI
7th Sep 20253511 PMAQI
8th Sep 20253612 AMAQI
8th Sep 2025301 AMAQI
8th Sep 2025282 AMAQI
8th Sep 2025283 AMAQI
8th Sep 2025284 AMAQI
8th Sep 2025285 AMAQI

28°C25/32°C

8th Sep 2025286 AMAQI
8th Sep 2025297 AMAQI
8th Sep 2025298 AMAQI
8th Sep 2025319 AMAQI
8th Sep 20252610 AMAQI
8th Sep 20252211 AMAQI
8th Sep 20252812 PMAQI
8th Sep 2025371 PMAQI
8th Sep 2025302 PMAQI
8th Sep 2025363 PMAQI
8th Sep 2025444 PMAQI
8th Sep 2025385 PMAQI
8th Sep 2025296 PMAQI
8th Sep 2025397 PMAQI
8th Sep 2025268 PMAQI
8th Sep 2025279 PMAQI
8th Sep 20252510 PMAQI
8th Sep 20252811 PMAQI
9th Sep 20252912 AMAQI
9th Sep 2025291 AMAQI
9th Sep 2025292 AMAQI
9th Sep 2025303 AMAQI
9th Sep 2025314 AMAQI
9th Sep 2025325 AMAQI

28°C25/32°C

9th Sep 2025326 AMAQI
9th Sep 2025317 AMAQI
9th Sep 2025318 AMAQI
9th Sep 2025279 AMAQI
9th Sep 20252510 AMAQI
9th Sep 20252011 AMAQI
9th Sep 20253212 PMAQI
9th Sep 2025341 PMAQI
9th Sep 2025272 PMAQI
9th Sep 2025293 PMAQI
9th Sep 2025244 PMAQI
9th Sep 2025285 PMAQI
9th Sep 2025276 PMAQI
9th Sep 2025307 PMAQI
9th Sep 2025288 PMAQI
9th Sep 2025289 PMAQI
9th Sep 20253010 PMAQI
9th Sep 20253011 PMAQI
10th Sep 20253212 AMAQI
10th Sep 2025301 AMAQI
10th Sep 2025312 AMAQI
10th Sep 2025303 AMAQI
10th Sep 2025324 AMAQI
10th Sep 2025325 AMAQI

28°C25/32°C

10th Sep 2025326 AMAQI
10th Sep 2025337 AMAQI
10th Sep 2025318 AMAQI
10th Sep 2025269 AMAQI
10th Sep 20252710 AMAQI
10th Sep 20252011 AMAQI
10th Sep 20252312 PMAQI
10th Sep 2025221 PMAQI
10th Sep 2025272 PMAQI
10th Sep 2025263 PMAQI
10th Sep 2025254 PMAQI
10th Sep 2025245 PMAQI
10th Sep 2025256 PMAQI
10th Sep 2025277 PMAQI
10th Sep 2025268 PMAQI
10th Sep 2025289 PMAQI
10th Sep 20253110 PMAQI
10th Sep 20252911 PMAQI
11th Sep 20252812 AMAQI
11th Sep 2025341 AMAQI
11th Sep 2025332 AMAQI
11th Sep 2025353 AMAQI
11th Sep 2025314 AMAQI
11th Sep 2025325 AMAQI

26°C24/28°C

11th Sep 2025316 AMAQI
11th Sep 2025317 AMAQI
11th Sep 2025328 AMAQI
11th Sep 2025169 AMAQI
11th Sep 20252710 AMAQI
11th Sep 20252611 AMAQI
11th Sep 20253212 PMAQI
11th Sep 2025321 PMAQI
11th Sep 2025382 PMAQI
11th Sep 2025373 PMAQI
11th Sep 2025444 PMAQI
11th Sep 2025375 PMAQI
11th Sep 2025436 PMAQI
11th Sep 2025467 PMAQI
11th Sep 2025418 PMAQI
11th Sep 2025359 PMAQI
11th Sep 20253410 PMAQI
11th Sep 20253211 PMAQI
12th Sep 20253212 AMAQI
12th Sep 2025331 AMAQI
12th Sep 2025342 AMAQI
12th Sep 2025363 AMAQI
12th Sep 2025334 AMAQI
12th Sep 2025325 AMAQI

27°C24/32°C

12th Sep 2025326 AMAQI
12th Sep 2025327 AMAQI
12th Sep 2025318 AMAQI
12th Sep 2025289 AMAQI
12th Sep 20252810 AMAQI
12th Sep 20253211 AMAQI
12th Sep 20253412 PMAQI
12th Sep 2025291 PMAQI
12th Sep 2025382 PMAQI
12th Sep 2025353 PMAQI
12th Sep 2025444 PMAQI
12th Sep 2025445 PMAQI
12th Sep 2025466 PMAQI
12th Sep 2025447 PMAQI
12th Sep 2025498 PMAQI
12th Sep 2025369 PMAQI
12th Sep 20253810 PMAQI
12th Sep 20253211 PMAQI
13th Sep 20253012 AMAQI
13th Sep 2025341 AMAQI
13th Sep 2025322 AMAQI
13th Sep 2025343 AMAQI
13th Sep 2025334 AMAQI
13th Sep 2025335 AMAQI

27°C23/32°C

13th Sep 2025336 AMAQI
13th Sep 2025327 AMAQI
13th Sep 2025338 AMAQI
13th Sep 2025289 AMAQI
13th Sep 20252810 AMAQI
13th Sep 20254011 AMAQI
13th Sep 20253012 PMAQI
13th Sep 2025411 PMAQI
13th Sep 2025292 PMAQI
13th Sep 2025383 PMAQI
13th Sep 2025274 PMAQI
13th Sep 2025255 PMAQI
13th Sep 2025306 PMAQI
13th Sep 2025387 PMAQI
13th Sep 2025278 PMAQI
13th Sep 2025269 PMAQI
13th Sep 20253010 PMAQI
13th Sep 20252811 PMAQI
14th Sep 20252812 AMAQI
14th Sep 2025321 AMAQI
14th Sep 2025322 AMAQI
14th Sep 2025333 AMAQI
14th Sep 2025324 AMAQI
14th Sep 2025335 AMAQI

27°C24/30°C

14th Sep 2025326 AMAQI
14th Sep 2025337 AMAQI
14th Sep 2025338 AMAQI
14th Sep 2025249 AMAQI
14th Sep 20252210 AMAQI
14th Sep 20252411 AMAQI
14th Sep 20252012 PMAQI
14th Sep 2025271 PMAQI
14th Sep 2025252 PMAQI
14th Sep 2025323 PMAQI
14th Sep 2025284 PMAQI
14th Sep 2025305 PMAQI
14th Sep 2025336 PMAQI
14th Sep 2025387 PMAQI
14th Sep 2025418 PMAQI
14th Sep 2025359 PMAQI
14th Sep 20253210 PMAQI
14th Sep 20253411 PMAQI
15th Sep 20253012 AMAQI
15th Sep 2025331 AMAQI
15th Sep 2025322 AMAQI
15th Sep 2025333 AMAQI
15th Sep 2025314 AMAQI
15th Sep 2025315 AMAQI

27°C25/31°C

15th Sep 2025306 AMAQI
15th Sep 2025307 AMAQI
15th Sep 2025308 AMAQI
15th Sep 2025339 AMAQI
15th Sep 20253810 AMAQI
15th Sep 20253711 AMAQI
15th Sep 20255112 PMAQI
15th Sep 2025391 PMAQI
15th Sep 2025282 PMAQI
15th Sep 2025303 PMAQI
15th Sep 2025284 PMAQI
15th Sep 2025245 PMAQI
15th Sep 2025236 PMAQI
15th Sep 2025277 PMAQI
15th Sep 2025328 PMAQI
15th Sep 2025289 PMAQI
15th Sep 20253110 PMAQI
15th Sep 20252911 PMAQI
16th Sep 20253112 AMAQI
16th Sep 2025311 AMAQI
16th Sep 2025322 AMAQI
16th Sep 2025323 AMAQI
16th Sep 2025324 AMAQI
16th Sep 2025335 AMAQI

28°C25/32°C

16th Sep 2025336 AMAQI
16th Sep 2025337 AMAQI
16th Sep 2025338 AMAQI
16th Sep 2025289 AMAQI
16th Sep 20252810 AMAQI
16th Sep 20252911 AMAQI
16th Sep 20253312 PMAQI
16th Sep 2025311 PMAQI
16th Sep 2025322 PMAQI
16th Sep 2025353 PMAQI
16th Sep 2025334 PMAQI
16th Sep 2025325 PMAQI
16th Sep 2025306 PMAQI
16th Sep 2025307 PMAQI
16th Sep 2025308 PMAQI
16th Sep 2025289 PMAQI
16th Sep 20252710 PMAQI
16th Sep 20252611 PMAQI
17th Sep 20252612 AMAQI
17th Sep 2025301 AMAQI
17th Sep 2025322 AMAQI
17th Sep 2025323 AMAQI
17th Sep 2025334 AMAQI
17th Sep 2025335 AMAQI

28°C25/32°C

17th Sep 2025326 AMAQI
17th Sep 2025327 AMAQI
17th Sep 2025328 AMAQI
17th Sep 2025249 AMAQI
17th Sep 20252010 AMAQI
17th Sep 20252211 AMAQI
17th Sep 20252012 PMAQI
17th Sep 2025231 PMAQI
17th Sep 2025242 PMAQI
17th Sep 2025283 PMAQI
17th Sep 2025324 PMAQI
17th Sep 2025305 PMAQI
17th Sep 2025326 PMAQI
17th Sep 2025297 PMAQI
17th Sep 2025378 PMAQI
17th Sep 2025319 PMAQI
17th Sep 20252410 PMAQI
17th Sep 20252711 PMAQI
18th Sep 20252712 AMAQI
18th Sep 2025281 AMAQI
18th Sep 2025322 AMAQI
18th Sep 2025323 AMAQI
18th Sep 2025304 AMAQI
18th Sep 2025295 AMAQI

28°C25/31°C

18th Sep 2025306 AMAQI
18th Sep 2025307 AMAQI
18th Sep 2025308 AMAQI
18th Sep 2025179 AMAQI
18th Sep 20251510 AMAQI
18th Sep 20251311 AMAQI
18th Sep 20251212 PMAQI
18th Sep 2025181 PMAQI
18th Sep 2025122 PMAQI
18th Sep 2025163 PMAQI
18th Sep 2025204 PMAQI
18th Sep 2025185 PMAQI
18th Sep 2025186 PMAQI
18th Sep 2025237 PMAQI
18th Sep 2025308 PMAQI
18th Sep 2025289 PMAQI
18th Sep 20252610 PMAQI
18th Sep 20252611 PMAQI
19th Sep 20252612 AMAQI
19th Sep 2025251 AMAQI
19th Sep 2025292 AMAQI
19th Sep 2025303 AMAQI
19th Sep 2025284 AMAQI
19th Sep 2025275 AMAQI

27°C25/30°C

19th Sep 2025266 AMAQI
19th Sep 2025267 AMAQI
19th Sep 2025278 AMAQI
19th Sep 2025209 AMAQI
19th Sep 20251810 AMAQI
19th Sep 20252111 AMAQI
19th Sep 20252712 PMAQI
19th Sep 2025291 PMAQI
19th Sep 2025312 PMAQI
19th Sep 2025333 PMAQI
19th Sep 2025324 PMAQI
19th Sep 2025265 PMAQI
19th Sep 2025306 PMAQI
19th Sep 2025307 PMAQI
19th Sep 2025288 PMAQI
19th Sep 2025309 PMAQI
19th Sep 20253410 PMAQI
19th Sep 20253611 PMAQI
20th Sep 20253712 AMAQI
20th Sep 2025361 AMAQI
20th Sep 2025272 AMAQI
20th Sep 2025273 AMAQI
20th Sep 2025274 AMAQI
20th Sep 2025275 AMAQI

27°C23/31°C

20th Sep 2025276 AMAQI
20th Sep 2025267 AMAQI
20th Sep 2025278 AMAQI
20th Sep 2025449 AMAQI
20th Sep 20255210 AMAQI
20th Sep 20255511 AMAQI
20th Sep 20255512 PMAQI
20th Sep 2025411 PMAQI
20th Sep 2025322 PMAQI
20th Sep 2025313 PMAQI
20th Sep 2025254 PMAQI
20th Sep 2025185 PMAQI
20th Sep 2025256 PMAQI
20th Sep 2025237 PMAQI
20th Sep 2025218 PMAQI
20th Sep 2025259 PMAQI
20th Sep 20252410 PMAQI
20th Sep 20252611 PMAQI
21st Sep 20252712 AMAQI
21st Sep 2025241 AMAQI
21st Sep 2025282 AMAQI
21st Sep 2025293 AMAQI
21st Sep 2025314 AMAQI
21st Sep 2025335 AMAQI

26°C24/28°C

21st Sep 2025336 AMAQI
21st Sep 2025337 AMAQI
21st Sep 2025328 AMAQI
21st Sep 2025209 AMAQI
21st Sep 20251410 AMAQI
21st Sep 20251411 AMAQI
21st Sep 20251612 PMAQI
21st Sep 2025191 PMAQI
21st Sep 2025162 PMAQI
21st Sep 2025163 PMAQI
21st Sep 2025194 PMAQI
21st Sep 2025235 PMAQI
21st Sep 2025226 PMAQI
21st Sep 2025217 PMAQI
21st Sep 2025238 PMAQI
21st Sep 2025299 PMAQI
21st Sep 20253010 PMAQI
21st Sep 20253011 PMAQI
22nd Sep 20253212 AMAQI
22nd Sep 2025311 AMAQI
22nd Sep 2025282 AMAQI
22nd Sep 2025293 AMAQI
22nd Sep 2025284 AMAQI
22nd Sep 2025275 AMAQI

25°C23/30°C

22nd Sep 2025276 AMAQI
22nd Sep 2025277 AMAQI
22nd Sep 2025268 AMAQI
22nd Sep 2025289 AMAQI
22nd Sep 20253210 AMAQI
22nd Sep 20253711 AMAQI
22nd Sep 20254212 PMAQI
22nd Sep 2025421 PMAQI
22nd Sep 2025432 PMAQI
22nd Sep 2025493 PMAQI
22nd Sep 2025444 PMAQI
22nd Sep 2025435 PMAQI
22nd Sep 2025436 PMAQI
22nd Sep 2025367 PMAQI
22nd Sep 2025328 PMAQI
22nd Sep 2025319 PMAQI
22nd Sep 20253110 PMAQI
22nd Sep 20253211 PMAQI
23rd Sep 20252912 AMAQI
23rd Sep 2025271 AMAQI
23rd Sep 2025282 AMAQI
23rd Sep 2025283 AMAQI
23rd Sep 2025294 AMAQI
23rd Sep 2025305 AMAQI

24°C22/28°C

23rd Sep 2025306 AMAQI
23rd Sep 2025307 AMAQI
23rd Sep 2025308 AMAQI
23rd Sep 2025359 AMAQI
23rd Sep 20253210 AMAQI
23rd Sep 20253011 AMAQI
23rd Sep 20252812 PMAQI
23rd Sep 2025301 PMAQI
23rd Sep 2025352 PMAQI
23rd Sep 2025333 PMAQI
23rd Sep 2025304 PMAQI
23rd Sep 2025335 PMAQI
23rd Sep 2025416 PMAQI
23rd Sep 2025387 PMAQI
23rd Sep 2025338 PMAQI
23rd Sep 2025309 PMAQI
23rd Sep 20252710 PMAQI
23rd Sep 20252611 PMAQI
24th Sep 20252612 AMAQI
24th Sep 2025261 AMAQI
24th Sep 2025282 AMAQI
24th Sep 2025293 AMAQI
24th Sep 2025284 AMAQI
24th Sep 2025285 AMAQI

26°C24/30°C

24th Sep 2025286 AMAQI
24th Sep 2025287 AMAQI
24th Sep 2025288 AMAQI
24th Sep 2025199 AMAQI
24th Sep 20251610 AMAQI
24th Sep 20251311 AMAQI
24th Sep 20251612 PMAQI
24th Sep 2025191 PMAQI
24th Sep 2025212 PMAQI
24th Sep 2025213 PMAQI
24th Sep 2025194 PMAQI
24th Sep 2025165 PMAQI
24th Sep 2025176 PMAQI
24th Sep 2025177 PMAQI
24th Sep 2025208 PMAQI
24th Sep 2025249 PMAQI
24th Sep 20252410 PMAQI
24th Sep 20252311 PMAQI
25th Sep 20252412 AMAQI
25th Sep 2025251 AMAQI
25th Sep 2025272 AMAQI
25th Sep 2025273 AMAQI
25th Sep 2025264 AMAQI
25th Sep 2025255 AMAQI

26°C24/30°C

25th Sep 2025256 AMAQI
25th Sep 2025257 AMAQI
25th Sep 2025258 AMAQI
25th Sep 2025189 AMAQI
25th Sep 20251510 AMAQI
25th Sep 20251411 AMAQI
25th Sep 20251612 PMAQI
25th Sep 2025181 PMAQI
25th Sep 2025332 PMAQI
25th Sep 2025433 PMAQI
25th Sep 2025484 PMAQI
25th Sep 2025475 PMAQI
25th Sep 2025496 PMAQI
25th Sep 2025517 PMAQI
25th Sep 2025538 PMAQI
25th Sep 2025539 PMAQI
25th Sep 20254910 PMAQI
25th Sep 20255211 PMAQI
26th Sep 20255012 AMAQI
26th Sep 2025521 AMAQI
26th Sep 2025422 AMAQI
26th Sep 2025393 AMAQI
26th Sep 2025434 AMAQI
26th Sep 2025485 AMAQI

25°C23/28°C

26th Sep 2025446 AMAQI
26th Sep 2025467 AMAQI
26th Sep 2025498 AMAQI
26th Sep 2025469 AMAQI
26th Sep 20254110 AMAQI
26th Sep 20254611 AMAQI
26th Sep 20255312 PMAQI
26th Sep 2025501 PMAQI
26th Sep 2025442 PMAQI
26th Sep 2025463 PMAQI
26th Sep 2025454 PMAQI
26th Sep 2025445 PMAQI
26th Sep 2025496 PMAQI
26th Sep 2025517 PMAQI
26th Sep 2025508 PMAQI
26th Sep 2025479 PMAQI
26th Sep 20254810 PMAQI
26th Sep 20253511 PMAQI
27th Sep 20252812 AMAQI
27th Sep 2025291 AMAQI
27th Sep 2025312 AMAQI
27th Sep 2025343 AMAQI
27th Sep 2025354 AMAQI
27th Sep 2025315 AMAQI

26°C23/30°C

27th Sep 2025296 AMAQI
27th Sep 2025267 AMAQI
27th Sep 2025268 AMAQI
27th Sep 2025249 AMAQI
27th Sep 20252610 AMAQI
27th Sep 20253011 AMAQI
27th Sep 20253412 PMAQI
27th Sep 2025351 PMAQI
27th Sep 2025272 PMAQI
27th Sep 2025283 PMAQI
27th Sep 2025264 PMAQI
27th Sep 2025255 PMAQI
27th Sep 2025316 PMAQI
27th Sep 2025327 PMAQI
27th Sep 2025318 PMAQI
27th Sep 2025299 PMAQI
27th Sep 20252710 PMAQI
27th Sep 20253111 PMAQI
28th Sep 20253112 AMAQI
28th Sep 2025271 AMAQI
28th Sep 2025252 AMAQI
28th Sep 2025253 AMAQI
28th Sep 2025254 AMAQI
28th Sep 2025265 AMAQI

23°C21/27°C

28th Sep 2025286 AMAQI
28th Sep 2025277 AMAQI
28th Sep 2025278 AMAQI
28th Sep 2025309 AMAQI
28th Sep 20253010 AMAQI
28th Sep 20252911 AMAQI
28th Sep 20253412 PMAQI
28th Sep 2025421 PMAQI
28th Sep 2025392 PMAQI
28th Sep 2025323 PMAQI
28th Sep 2025284 PMAQI
28th Sep 2025295 PMAQI
28th Sep 2025336 PMAQI
28th Sep 2025367 PMAQI
28th Sep 2025388 PMAQI
28th Sep 2025399 PMAQI
28th Sep 20253910 PMAQI
28th Sep 20253611 PMAQI
29th Sep 20253712 AMAQI
29th Sep 2025411 AMAQI
29th Sep 2025432 AMAQI
29th Sep 2025453 AMAQI
29th Sep 2025384 AMAQI
29th Sep 2025295 AMAQI

24°C22/27°C

29th Sep 2025176 AMAQI
29th Sep 2025227 AMAQI
29th Sep 2025208 AMAQI
29th Sep 2025249 AMAQI
29th Sep 20253110 AMAQI
29th Sep 20252411 AMAQI
29th Sep 20251812 PMAQI
29th Sep 2025261 PMAQI
29th Sep 2025312 PMAQI
29th Sep 2025263 PMAQI
29th Sep 2025244 PMAQI
29th Sep 2025285 PMAQI
29th Sep 2025296 PMAQI
29th Sep 2025327 PMAQI
29th Sep 2025368 PMAQI
29th Sep 2025389 PMAQI
29th Sep 20254210 PMAQI
29th Sep 20254811 PMAQI
30th Sep 20254712 AMAQI
30th Sep 2025441 AMAQI
30th Sep 2025442 AMAQI
30th Sep 2025433 AMAQI
30th Sep 2025414 AMAQI
30th Sep 2025465 AMAQI

24°C22/28°C

30th Sep 2025416 AMAQI
30th Sep 2025407 AMAQI
30th Sep 2025398 AMAQI
30th Sep 2025419 AMAQI
30th Sep 20254110 AMAQI
30th Sep 20254711 AMAQI
30th Sep 20254612 PMAQI
30th Sep 2025471 PMAQI
30th Sep 2025452 PMAQI
30th Sep 2025493 PMAQI
30th Sep 2025494 PMAQI
30th Sep 2025475 PMAQI
30th Sep 2025486 PMAQI
30th Sep 2025507 PMAQI
30th Sep 2025478 PMAQI
30th Sep 2025469 PMAQI
30th Sep 20254910 PMAQI
30th Sep 20255311 PMAQI
1st Oct 20255212 AMAQI
1st Oct 2025511 AMAQI
1st Oct 2025492 AMAQI
1st Oct 2025503 AMAQI
1st Oct 2025484 AMAQI
1st Oct 2025515 AMAQI

23°C20/27°C

1st Oct 2025486 AMAQI
1st Oct 2025497 AMAQI
1st Oct 2025528 AMAQI
1st Oct 2025509 AMAQI
1st Oct 20255110 AMAQI
1st Oct 20254711 AMAQI
1st Oct 20254012 PMAQI
1st Oct 2025361 PMAQI
1st Oct 2025382 PMAQI
1st Oct 2025383 PMAQI
1st Oct 2025434 PMAQI
1st Oct 2025435 PMAQI
1st Oct 2025456 PMAQI
1st Oct 2025437 PMAQI
1st Oct 2025488 PMAQI
1st Oct 2025539 PMAQI
1st Oct 20255410 PMAQI
1st Oct 20255311 PMAQI
2nd Oct 20254312 AMAQI
2nd Oct 2025501 AMAQI
2nd Oct 2025512 AMAQI
2nd Oct 2025503 AMAQI
2nd Oct 2025494 AMAQI
2nd Oct 2025545 AMAQI

24°C21/28°C

2nd Oct 2025536 AMAQI
2nd Oct 2025547 AMAQI
2nd Oct 2025508 AMAQI
2nd Oct 2025499 AMAQI
2nd Oct 20255010 AMAQI
2nd Oct 20255411 AMAQI
2nd Oct 20254912 PMAQI
2nd Oct 2025531 PMAQI
2nd Oct 2025582 PMAQI
2nd Oct 2025563 PMAQI
2nd Oct 2025564 PMAQI
2nd Oct 2025555 PMAQI
2nd Oct 2025556 PMAQI
2nd Oct 2025537 PMAQI
2nd Oct 2025578 PMAQI
2nd Oct 2025639 PMAQI
2nd Oct 20256110 PMAQI
2nd Oct 20256111 PMAQI
3rd Oct 20256012 AMAQI
3rd Oct 2025581 AMAQI
3rd Oct 2025582 AMAQI
3rd Oct 2025563 AMAQI
3rd Oct 2025554 AMAQI
3rd Oct 2025575 AMAQI

24°C20/29°C

3rd Oct 2025586 AMAQI
3rd Oct 2025567 AMAQI
3rd Oct 2025568 AMAQI
3rd Oct 2025609 AMAQI
3rd Oct 20255910 AMAQI
3rd Oct 20255911 AMAQI
3rd Oct 20255812 PMAQI
3rd Oct 2025581 PMAQI
3rd Oct 2025612 PMAQI
3rd Oct 2025623 PMAQI
3rd Oct 2025644 PMAQI
3rd Oct 2025685 PMAQI
3rd Oct 2025696 PMAQI
3rd Oct 2025707 PMAQI
3rd Oct 2025668 PMAQI
3rd Oct 2025879 PMAQI
3rd Oct 20258310 PMAQI
3rd Oct 20258211 PMAQI
4th Oct 20257412 AMAQI
4th Oct 2025701 AMAQI
4th Oct 2025672 AMAQI
4th Oct 2025683 AMAQI
4th Oct 2025684 AMAQI
4th Oct 2025675 AMAQI

23°C22/25°C

4th Oct 2025696 AMAQI
4th Oct 2025697 AMAQI
4th Oct 2025728 AMAQI
4th Oct 2025819 AMAQI
4th Oct 20258210 AMAQI
4th Oct 20258311 AMAQI
4th Oct 20258012 PMAQI
4th Oct 2025741 PMAQI
4th Oct 2025722 PMAQI
4th Oct 2025683 PMAQI
4th Oct 2025694 PMAQI
4th Oct 2025655 PMAQI
4th Oct 2025466 PMAQI
4th Oct 2025397 PMAQI
4th Oct 2025428 PMAQI
4th Oct 2025479 PMAQI
4th Oct 20255110 PMAQI
4th Oct 20255011 PMAQI
5th Oct 20254912 AMAQI
5th Oct 2025531 AMAQI
5th Oct 2025582 AMAQI
5th Oct 2025573 AMAQI
5th Oct 2025584 AMAQI

--°C/°C

6 AM
12 PM
6 PM
12 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
11 AM - 6 PM

35AQI

8 hours / Day
240 hours / Month
Avg. Lowest Time
9 AM - 10 AM

32AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 6 PM (Avg. 35), while the lowest AQI was between 9 AM to 10 AM (Avg. 32).
Night time
Avg. Highest Time
7 PM - 11 PM

36AQI

5 hours / Day
150 hours / Month
Avg. Lowest Time
12 AM - 5 AM

35AQI

6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 11 PM (Avg. 36), while the lowest AQI was between 12 AM to 5 AM (Avg. 35).

2025 Days Vs Air Quality

Yashima, Kumamoto, Japan

2025

79%

217

21%

58

0.3%

1

Total number of days with different AQI categories in last 277 days in 2025 (88 days remaining)

Good
217 Days
Moderate
58 Days
Poor
1 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 79%

Health Risk Level:

Low

In 2025, 79% of 277 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.

Annual Air Quality Insights

Yashima, Kumamoto, 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
37AQI
2nd January 2025
43AQI
3rd January 2025
36AQI
4th January 2025
39AQI
5th January 2025
37AQI
6th January 2025
51AQI
7th January 2025
31AQI
8th January 2025
42AQI
9th January 2025
29AQI
10th January 2025
33AQI
11th January 2025
29AQI
12th January 2025
34AQI
13th January 2025
43AQI
14th January 2025
46AQI
15th January 2025
50AQI
16th January 2025
45AQI
17th January 2025
53AQI
18th January 2025
53AQI
19th January 2025
59AQI
20th January 2025
54AQI
21st January 2025
76AQI
22nd January 2025
76AQI
23rd January 2025
76AQI
24th January 2025
79AQI
25th January 2025
54AQI
26th January 2025
45AQI
27th January 2025
41AQI
28th January 2025
37AQI
29th January 2025
34AQI
30th January 2025
38AQI
31st January 2025
47AQI
1st February 2025
43AQI
2nd February 2025
35AQI
3rd February 2025
49AQI
4th February 2025
33AQI
5th February 2025
42AQI
6th February 2025
32AQI
7th February 2025
38AQI
8th February 2025
31AQI
9th February 2025
33AQI
10th February 2025
32AQI
11th February 2025
43AQI
12th February 2025
44AQI
13th February 2025
36AQI
14th February 2025
43AQI
15th February 2025
32AQI
16th February 2025
39AQI
17th February 2025
44AQI
18th February 2025
35AQI
19th February 2025
39AQI
20th February 2025
35AQI
21st February 2025
36AQI
22nd February 2025
43AQI
23rd February 2025
40AQI
24th February 2025
39AQI
25th February 2025
39AQI
26th February 2025
39AQI
27th February 2025
67AQI
28th February 2025
55AQI
1st March 2025
55AQI
2nd March 2025
47AQI
3rd March 2025
41AQI
4th March 2025
31AQI
5th March 2025
29AQI
6th March 2025
32AQI
7th March 2025
34AQI
8th March 2025
44AQI
9th March 2025
46AQI
10th March 2025
51AQI
11th March 2025
47AQI
12th March 2025
49AQI
13th March 2025
57AQI
14th March 2025
44AQI
15th March 2025
36AQI
16th March 2025
32AQI
17th March 2025
51AQI
18th March 2025
44AQI
19th March 2025
40AQI
20th March 2025
51AQI
21st March 2025
53AQI
22nd March 2025
62AQI
23rd March 2025
60AQI
24th March 2025
47AQI
25th March 2025
58AQI
26th March 2025
56AQI
27th March 2025
52AQI
28th March 2025
55AQI
29th March 2025
54AQI
30th March 2025
46AQI
31st March 2025
48AQI
1st April 2025
46AQI
2nd April 2025
42AQI
3rd April 2025
43AQI
4th April 2025
43AQI
5th April 2025
46AQI
6th April 2025
46AQI
7th April 2025
44AQI
8th April 2025
41AQI
9th April 2025
52AQI
10th April 2025
44AQI
11th April 2025
55AQI
12th April 2025
53AQI
13th April 2025
50AQI
14th April 2025
56AQI
15th April 2025
36AQI
16th April 2025
51AQI
17th April 2025
45AQI
18th April 2025
49AQI
19th April 2025
52AQI
20th April 2025
43AQI
21st April 2025
48AQI
22nd April 2025
37AQI
23rd April 2025
32AQI
24th April 2025
37AQI
25th April 2025
49AQI
26th April 2025
50AQI
27th April 2025
50AQI
28th April 2025
45AQI
29th April 2025
51AQI
30th April 2025
53AQI
1st May 2025
48AQI
2nd May 2025
41AQI
3rd May 2025
41AQI
4th May 2025
39AQI
5th May 2025
43AQI
6th May 2025
36AQI
7th May 2025
39AQI
8th May 2025
48AQI
9th May 2025
35AQI
10th May 2025
41AQI
11th May 2025
45AQI
12th May 2025
52AQI
13th May 2025
55AQI
14th May 2025
59AQI
15th May 2025
56AQI
16th May 2025
63AQI
17th May 2025
40AQI
18th May 2025
48AQI
19th May 2025
53AQI
20th May 2025
41AQI
21st May 2025
34AQI
22nd May 2025
37AQI
23rd May 2025
46AQI
24th May 2025
38AQI
25th May 2025
38AQI
26th May 2025
41AQI
27th May 2025
44AQI
28th May 2025
49AQI
29th May 2025
43AQI
30th May 2025
45AQI
31st May 2025
42AQI
1st June 2025
54AQI
2nd June 2025
49AQI
3rd June 2025
33AQI
4th June 2025
45AQI
5th June 2025
46AQI
6th June 2025
51AQI
7th June 2025
61AQI
8th June 2025
64AQI
9th June 2025
33AQI
10th June 2025
30AQI
11th June 2025
37AQI
12th June 2025
39AQI
13th June 2025
44AQI
14th June 2025
30AQI
15th June 2025
30AQI
16th June 2025
32AQI
17th June 2025
30AQI
18th June 2025
34AQI
19th June 2025
35AQI
20th June 2025
36AQI
21st June 2025
31AQI
22nd June 2025
25AQI
23rd June 2025
20AQI
24th June 2025
28AQI
25th June 2025
27AQI
26th June 2025
25AQI
27th June 2025
30AQI
28th June 2025
31AQI
29th June 2025
39AQI
30th June 2025
54AQI
1st July 2025
72AQI
2nd July 2025
102AQI
3rd July 2025
89AQI
4th July 2025
91AQI
5th July 2025
72AQI
6th July 2025
56AQI
7th July 2025
55AQI
8th July 2025
61AQI
9th July 2025
68AQI
10th July 2025
49AQI
11th July 2025
40AQI
12th July 2025
39AQI
13th July 2025
38AQI
14th July 2025
35AQI
15th July 2025
44AQI
16th July 2025
58AQI
17th July 2025
54AQI
18th July 2025
34AQI
19th July 2025
33AQI
20th July 2025
32AQI
21st July 2025
28AQI
22nd July 2025
41AQI
23rd July 2025
41AQI
24th July 2025
26AQI
25th July 2025
24AQI
26th July 2025
21AQI
27th July 2025
21AQI
28th July 2025
22AQI
29th July 2025
24AQI
30th July 2025
24AQI
31st July 2025
27AQI
1st August 2025
45AQI
2nd August 2025
48AQI
3rd August 2025
49AQI
4th August 2025
46AQI
5th August 2025
45AQI
6th August 2025
47AQI
7th August 2025
45AQI
8th August 2025
39AQI
9th August 2025
36AQI
10th August 2025
39AQI
11th August 2025
31AQI
12th August 2025
36AQI
13th August 2025
41AQI
14th August 2025
41AQI
15th August 2025
41AQI
16th August 2025
43AQI
17th August 2025
41AQI
18th August 2025
49AQI
19th August 2025
51AQI
20th August 2025
43AQI
21st August 2025
44AQI
22nd August 2025
50AQI
23rd August 2025
45AQI
24th August 2025
41AQI
25th August 2025
39AQI
26th August 2025
36AQI
27th August 2025
41AQI
28th August 2025
44AQI
29th August 2025
47AQI
30th August 2025
52AQI
31st August 2025
50AQI
1st September 2025
39AQI
2nd September 2025
40AQI
3rd September 2025
41AQI
4th September 2025
28AQI
5th September 2025
29AQI
6th September 2025
31AQI
7th September 2025
35AQI
8th September 2025
30AQI
9th September 2025
29AQI
10th September 2025
28AQI
11th September 2025
34AQI
12th September 2025
36AQI
13th September 2025
31AQI
14th September 2025
31AQI
15th September 2025
31AQI
16th September 2025
31AQI
17th September 2025
29AQI
18th September 2025
24AQI
19th September 2025
28AQI
20th September 2025
31AQI
21st September 2025
25AQI
22nd September 2025
34AQI
23rd September 2025
31AQI
24th September 2025
22AQI
25th September 2025
37AQI
26th September 2025
46AQI
27th September 2025
30AQI
28th September 2025
32AQI
29th September 2025
32AQI
30th September 2025
46AQI
1st October 2025
47AQI
2nd October 2025
54AQI
3rd October 2025
62AQI
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025

47AQI

40AQI

47AQI

46AQI

45AQI

37AQI

46AQI

43AQI

32AQI

54AQI

No. of days

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

202543AQI

21
10
26
2
18
13
22
8
25
6
25
5
20
10
1
29
2
30
1
2
217
58
1

Highest AQI recorded in

October

54AQI

Lowest AQI recorded in

September

32AQI

202448AQI

16
2
5
5
4
21
10
23
7
29
2
16
15
21
9
20
5
2
4
15
15
29
2
179
92
2
4

Highest AQI recorded in

January

65AQI

Lowest AQI recorded in

July

33AQI

202345AQI

22
8
1
15
13
17
14
13
17
20
11
16
14
26
5
27
4
24
6
22
9
16
13
20
10
238
124
1

Highest AQI recorded in

April

53AQI

Lowest AQI recorded in

August

32AQI

202246AQI

23
8
14
7
21
10
19
11
15
16
22
8
16
6
2
1
22
7
20
11
17
13
20
11
211
109

Highest AQI recorded in

May

53AQI

Lowest AQI recorded in

August

34AQI

202143AQI

20
11
19
9
17
12
17
4
18
13
15
15
27
4
31
26
4
15
16
17
13
23
8
245
109

Highest AQI recorded in

May

50AQI

Lowest AQI recorded in

August

29AQI

202047AQI

8
5
9
12
7
10
1
18
12
29
2
15
14
2
14
5
19
12
15
15
17
14
151
101
3

Highest AQI recorded in

May

55AQI

Lowest AQI recorded in

July

31AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2024(Avg.)
48AQI
Least Polluted Year Recorded
2025(Avg.)
43AQI

Yashima's annual 2025 AQI (43) shows an average percentage change of -6.4% (improved AQI) compared to previous years: 2020 (47), 2021 (43), 2022 (46), 2023 (45), 2024 (48).