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HistoryAQIPM2.5PM10COSO2NO2O3

Asahimachi, 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

Asahimachi, Yashima, Kumamoto, Japan

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
2nd Oct 2022
102AQI
Lowest AQI recorded on
7th Oct 2024
25AQI

Same Day Analysis (3rd October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 60 of Moderate air quality, showing improvement over 2022 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

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

Asahimachi, 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
10AM4th Oct

95AQI

Avg. Lowest Time
6PM4th Oct

38AQI

In the last 24 hours,

Asahimachi's AQI reached its highest point of 95 at 10 AM during the Night, while the lowest point, 38, was recorded at 6 PM during the Night between 4th Oct and 5th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Asahimachi, 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 20252410 AMAQI
5th Sep 20251811 AMAQI
5th Sep 20252612 PMAQI
5th Sep 2025311 PMAQI
5th Sep 2025322 PMAQI
5th Sep 2025373 PMAQI
5th Sep 2025404 PMAQI
5th Sep 2025385 PMAQI
5th Sep 2025346 PMAQI
5th Sep 2025407 PMAQI
5th Sep 2025278 PMAQI
5th Sep 2025279 PMAQI
5th Sep 20252410 PMAQI
5th Sep 20252811 PMAQI
6th Sep 20252612 AMAQI
6th Sep 2025261 AMAQI
6th Sep 2025242 AMAQI
6th Sep 2025243 AMAQI
6th Sep 2025264 AMAQI
6th Sep 2025275 AMAQI

27°C25/30°C

6th Sep 2025286 AMAQI
6th Sep 2025287 AMAQI
6th Sep 2025288 AMAQI
6th Sep 2025249 AMAQI
6th Sep 20254010 AMAQI
6th Sep 20254611 AMAQI
6th Sep 20253912 PMAQI
6th Sep 2025381 PMAQI
6th Sep 2025462 PMAQI
6th Sep 2025343 PMAQI
6th Sep 2025434 PMAQI
6th Sep 2025385 PMAQI
6th Sep 2025306 PMAQI
6th Sep 2025307 PMAQI
6th Sep 2025298 PMAQI
6th Sep 2025299 PMAQI
6th Sep 20253010 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 2025359 AMAQI
7th Sep 20253310 AMAQI
7th Sep 20253511 AMAQI
7th Sep 20254012 PMAQI
7th Sep 2025381 PMAQI
7th Sep 2025442 PMAQI
7th Sep 2025483 PMAQI
7th Sep 2025434 PMAQI
7th Sep 2025495 PMAQI
7th Sep 2025466 PMAQI
7th Sep 2025497 PMAQI
7th Sep 2025428 PMAQI
7th Sep 2025369 PMAQI
7th Sep 20253310 PMAQI
7th Sep 20253311 PMAQI
8th Sep 20253512 AMAQI
8th Sep 2025301 AMAQI
8th Sep 2025282 AMAQI
8th Sep 2025283 AMAQI
8th Sep 2025294 AMAQI
8th Sep 2025285 AMAQI

28°C25/32°C

8th Sep 2025286 AMAQI
8th Sep 2025297 AMAQI
8th Sep 2025298 AMAQI
8th Sep 2025289 AMAQI
8th Sep 20252610 AMAQI
8th Sep 20252411 AMAQI
8th Sep 20252812 PMAQI
8th Sep 2025361 PMAQI
8th Sep 2025282 PMAQI
8th Sep 2025403 PMAQI
8th Sep 2025424 PMAQI
8th Sep 2025375 PMAQI
8th Sep 2025286 PMAQI
8th Sep 2025377 PMAQI
8th Sep 2025268 PMAQI
8th Sep 2025279 PMAQI
8th Sep 20252410 PMAQI
8th Sep 20252711 PMAQI
9th Sep 20252812 AMAQI
9th Sep 2025291 AMAQI
9th Sep 2025302 AMAQI
9th Sep 2025303 AMAQI
9th Sep 2025314 AMAQI
9th Sep 2025325 AMAQI

28°C25/32°C

9th Sep 2025326 AMAQI
9th Sep 2025307 AMAQI
9th Sep 2025318 AMAQI
9th Sep 2025269 AMAQI
9th Sep 20252610 AMAQI
9th Sep 20252211 AMAQI
9th Sep 20253312 PMAQI
9th Sep 2025341 PMAQI
9th Sep 2025272 PMAQI
9th Sep 2025283 PMAQI
9th Sep 2025234 PMAQI
9th Sep 2025225 PMAQI
9th Sep 2025256 PMAQI
9th Sep 2025287 PMAQI
9th Sep 2025268 PMAQI
9th Sep 2025279 PMAQI
9th Sep 20253010 PMAQI
9th Sep 20253011 PMAQI
10th Sep 20253112 AMAQI
10th Sep 2025291 AMAQI
10th Sep 2025312 AMAQI
10th Sep 2025303 AMAQI
10th Sep 2025324 AMAQI
10th Sep 2025325 AMAQI

28°C25/32°C

10th Sep 2025336 AMAQI
10th Sep 2025337 AMAQI
10th Sep 2025308 AMAQI
10th Sep 2025259 AMAQI
10th Sep 20252610 AMAQI
10th Sep 20252011 AMAQI
10th Sep 20252112 PMAQI
10th Sep 2025221 PMAQI
10th Sep 2025282 PMAQI
10th Sep 2025283 PMAQI
10th Sep 2025254 PMAQI
10th Sep 2025245 PMAQI
10th Sep 2025246 PMAQI
10th Sep 2025277 PMAQI
10th Sep 2025278 PMAQI
10th Sep 2025289 PMAQI
10th Sep 20253210 PMAQI
10th Sep 20253011 PMAQI
11th Sep 20252912 AMAQI
11th Sep 2025351 AMAQI
11th Sep 2025332 AMAQI
11th Sep 2025373 AMAQI
11th Sep 2025314 AMAQI
11th Sep 2025325 AMAQI

26°C25/28°C

11th Sep 2025316 AMAQI
11th Sep 2025327 AMAQI
11th Sep 2025328 AMAQI
11th Sep 2025169 AMAQI
11th Sep 20252610 AMAQI
11th Sep 20252911 AMAQI
11th Sep 20253312 PMAQI
11th Sep 2025321 PMAQI
11th Sep 2025382 PMAQI
11th Sep 2025363 PMAQI
11th Sep 2025444 PMAQI
11th Sep 2025365 PMAQI
11th Sep 2025426 PMAQI
11th Sep 2025477 PMAQI
11th Sep 2025408 PMAQI
11th Sep 2025369 PMAQI
11th Sep 20253410 PMAQI
11th Sep 20253211 PMAQI
12th Sep 20253212 AMAQI
12th Sep 2025321 AMAQI
12th Sep 2025342 AMAQI
12th Sep 2025363 AMAQI
12th Sep 2025334 AMAQI
12th Sep 2025325 AMAQI

27°C24/31°C

12th Sep 2025326 AMAQI
12th Sep 2025327 AMAQI
12th Sep 2025318 AMAQI
12th Sep 2025299 AMAQI
12th Sep 20252810 AMAQI
12th Sep 20253211 AMAQI
12th Sep 20253312 PMAQI
12th Sep 2025281 PMAQI
12th Sep 2025382 PMAQI
12th Sep 2025373 PMAQI
12th Sep 2025454 PMAQI
12th Sep 2025435 PMAQI
12th Sep 2025446 PMAQI
12th Sep 2025457 PMAQI
12th Sep 2025498 PMAQI
12th Sep 2025379 PMAQI
12th Sep 20253810 PMAQI
12th Sep 20253111 PMAQI
13th Sep 20252912 AMAQI
13th Sep 2025341 AMAQI
13th Sep 2025322 AMAQI
13th Sep 2025343 AMAQI
13th Sep 2025324 AMAQI
13th Sep 2025335 AMAQI

27°C24/32°C

13th Sep 2025326 AMAQI
13th Sep 2025327 AMAQI
13th Sep 2025328 AMAQI
13th Sep 2025289 AMAQI
13th Sep 20253010 AMAQI
13th Sep 20254211 AMAQI
13th Sep 20253212 PMAQI
13th Sep 2025401 PMAQI
13th Sep 2025282 PMAQI
13th Sep 2025383 PMAQI
13th Sep 2025244 PMAQI
13th Sep 2025225 PMAQI
13th Sep 2025306 PMAQI
13th Sep 2025367 PMAQI
13th Sep 2025268 PMAQI
13th Sep 2025269 PMAQI
13th Sep 20252910 PMAQI
13th Sep 20252811 PMAQI
14th Sep 20252912 AMAQI
14th Sep 2025321 AMAQI
14th Sep 2025322 AMAQI
14th Sep 2025323 AMAQI
14th Sep 2025324 AMAQI
14th Sep 2025335 AMAQI

27°C24/31°C

14th Sep 2025326 AMAQI
14th Sep 2025337 AMAQI
14th Sep 2025338 AMAQI
14th Sep 2025239 AMAQI
14th Sep 20252110 AMAQI
14th Sep 20252211 AMAQI
14th Sep 20252112 PMAQI
14th Sep 2025271 PMAQI
14th Sep 2025252 PMAQI
14th Sep 2025333 PMAQI
14th Sep 2025264 PMAQI
14th Sep 2025265 PMAQI
14th Sep 2025316 PMAQI
14th Sep 2025377 PMAQI
14th Sep 2025408 PMAQI
14th Sep 2025369 PMAQI
14th Sep 20253210 PMAQI
14th Sep 20253511 PMAQI
15th Sep 20253112 AMAQI
15th Sep 2025321 AMAQI
15th Sep 2025322 AMAQI
15th Sep 2025333 AMAQI
15th Sep 2025314 AMAQI
15th Sep 2025315 AMAQI

28°C25/31°C

15th Sep 2025306 AMAQI
15th Sep 2025317 AMAQI
15th Sep 2025308 AMAQI
15th Sep 2025339 AMAQI
15th Sep 20253710 AMAQI
15th Sep 20253811 AMAQI
15th Sep 20255112 PMAQI
15th Sep 2025351 PMAQI
15th Sep 2025282 PMAQI
15th Sep 2025343 PMAQI
15th Sep 2025244 PMAQI
15th Sep 2025235 PMAQI
15th Sep 2025226 PMAQI
15th Sep 2025277 PMAQI
15th Sep 2025348 PMAQI
15th Sep 2025299 PMAQI
15th Sep 20253610 PMAQI
15th Sep 20252911 PMAQI
16th Sep 20253212 AMAQI
16th Sep 2025301 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 2025327 AMAQI
16th Sep 2025328 AMAQI
16th Sep 2025269 AMAQI
16th Sep 20253110 AMAQI
16th Sep 20253011 AMAQI
16th Sep 20253412 PMAQI
16th Sep 2025321 PMAQI
16th Sep 2025312 PMAQI
16th Sep 2025333 PMAQI
16th Sep 2025274 PMAQI
16th Sep 2025305 PMAQI
16th Sep 2025286 PMAQI
16th Sep 2025247 PMAQI
16th Sep 2025278 PMAQI
16th Sep 2025289 PMAQI
16th Sep 20252610 PMAQI
16th Sep 20252611 PMAQI
17th Sep 20252612 AMAQI
17th Sep 2025301 AMAQI
17th Sep 2025322 AMAQI
17th Sep 2025323 AMAQI
17th Sep 2025324 AMAQI
17th Sep 2025325 AMAQI

28°C25/32°C

17th Sep 2025326 AMAQI
17th Sep 2025327 AMAQI
17th Sep 2025328 AMAQI
17th Sep 2025229 AMAQI
17th Sep 20252110 AMAQI
17th Sep 20252411 AMAQI
17th Sep 20252012 PMAQI
17th Sep 2025251 PMAQI
17th Sep 2025202 PMAQI
17th Sep 2025283 PMAQI
17th Sep 2025314 PMAQI
17th Sep 2025295 PMAQI
17th Sep 2025386 PMAQI
17th Sep 2025307 PMAQI
17th Sep 2025388 PMAQI
17th Sep 2025329 PMAQI
17th Sep 20252510 PMAQI
17th Sep 20252911 PMAQI
18th Sep 20253012 AMAQI
18th Sep 2025301 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 2025189 AMAQI
18th Sep 20251610 AMAQI
18th Sep 20251411 AMAQI
18th Sep 20251412 PMAQI
18th Sep 2025191 PMAQI
18th Sep 2025122 PMAQI
18th Sep 2025183 PMAQI
18th Sep 2025284 PMAQI
18th Sep 2025245 PMAQI
18th Sep 2025176 PMAQI
18th Sep 2025277 PMAQI
18th Sep 2025428 PMAQI
18th Sep 2025329 PMAQI
18th Sep 20252910 PMAQI
18th Sep 20252811 PMAQI
19th Sep 20252612 AMAQI
19th Sep 2025241 AMAQI
19th Sep 2025292 AMAQI
19th Sep 2025303 AMAQI
19th Sep 2025284 AMAQI
19th Sep 2025275 AMAQI

27°C25/30°C

19th Sep 2025276 AMAQI
19th Sep 2025277 AMAQI
19th Sep 2025278 AMAQI
19th Sep 2025199 AMAQI
19th Sep 20251810 AMAQI
19th Sep 20252611 AMAQI
19th Sep 20253612 PMAQI
19th Sep 2025301 PMAQI
19th Sep 2025302 PMAQI
19th Sep 2025323 PMAQI
19th Sep 2025294 PMAQI
19th Sep 2025205 PMAQI
19th Sep 2025276 PMAQI
19th Sep 2025317 PMAQI
19th Sep 2025288 PMAQI
19th Sep 2025319 PMAQI
19th Sep 20254010 PMAQI
19th Sep 20254611 PMAQI
20th Sep 20254412 AMAQI
20th Sep 2025421 AMAQI
20th Sep 2025272 AMAQI
20th Sep 2025283 AMAQI
20th Sep 2025274 AMAQI
20th Sep 2025285 AMAQI

26°C23/28°C

20th Sep 2025276 AMAQI
20th Sep 2025277 AMAQI
20th Sep 2025278 AMAQI
20th Sep 2025439 AMAQI
20th Sep 20254610 AMAQI
20th Sep 20255411 AMAQI
20th Sep 20255612 PMAQI
20th Sep 2025411 PMAQI
20th Sep 2025392 PMAQI
20th Sep 2025513 PMAQI
20th Sep 2025414 PMAQI
20th Sep 2025215 PMAQI
20th Sep 2025376 PMAQI
20th Sep 2025327 PMAQI
20th Sep 2025218 PMAQI
20th Sep 2025289 PMAQI
20th Sep 20252610 PMAQI
20th Sep 20253011 PMAQI
21st Sep 20253412 AMAQI
21st Sep 2025271 AMAQI
21st Sep 2025292 AMAQI
21st Sep 2025303 AMAQI
21st Sep 2025324 AMAQI
21st Sep 2025335 AMAQI

26°C24/29°C

21st Sep 2025336 AMAQI
21st Sep 2025337 AMAQI
21st Sep 2025338 AMAQI
21st Sep 2025199 AMAQI
21st Sep 20251510 AMAQI
21st Sep 20251411 AMAQI
21st Sep 20251612 PMAQI
21st Sep 2025201 PMAQI
21st Sep 2025182 PMAQI
21st Sep 2025163 PMAQI
21st Sep 2025214 PMAQI
21st Sep 2025285 PMAQI
21st Sep 2025216 PMAQI
21st Sep 2025187 PMAQI
21st Sep 2025208 PMAQI
21st Sep 2025289 PMAQI
21st Sep 20253310 PMAQI
21st Sep 20253411 PMAQI
22nd Sep 20253712 AMAQI
22nd Sep 2025351 AMAQI
22nd Sep 2025292 AMAQI
22nd Sep 2025293 AMAQI
22nd Sep 2025284 AMAQI
22nd Sep 2025275 AMAQI

26°C23/30°C

22nd Sep 2025286 AMAQI
22nd Sep 2025277 AMAQI
22nd Sep 2025288 AMAQI
22nd Sep 2025309 AMAQI
22nd Sep 20253310 AMAQI
22nd Sep 20254011 AMAQI
22nd Sep 20255112 PMAQI
22nd Sep 2025421 PMAQI
22nd Sep 2025442 PMAQI
22nd Sep 2025493 PMAQI
22nd Sep 2025414 PMAQI
22nd Sep 2025385 PMAQI
22nd Sep 2025426 PMAQI
22nd Sep 2025387 PMAQI
22nd Sep 2025368 PMAQI
22nd Sep 2025329 PMAQI
22nd Sep 20253210 PMAQI
22nd Sep 20253511 PMAQI
23rd Sep 20252812 AMAQI
23rd Sep 2025251 AMAQI
23rd Sep 2025302 AMAQI
23rd Sep 2025303 AMAQI
23rd Sep 2025304 AMAQI
23rd Sep 2025325 AMAQI

25°C23/28°C

23rd Sep 2025326 AMAQI
23rd Sep 2025317 AMAQI
23rd Sep 2025318 AMAQI
23rd Sep 2025329 AMAQI
23rd Sep 20253210 AMAQI
23rd Sep 20252711 AMAQI
23rd Sep 20252212 PMAQI
23rd Sep 2025301 PMAQI
23rd Sep 2025382 PMAQI
23rd Sep 2025333 PMAQI
23rd Sep 2025324 PMAQI
23rd Sep 2025355 PMAQI
23rd Sep 2025426 PMAQI
23rd Sep 2025457 PMAQI
23rd Sep 2025378 PMAQI
23rd Sep 2025359 PMAQI
23rd Sep 20252710 PMAQI
23rd Sep 20252611 PMAQI
24th Sep 20252812 AMAQI
24th Sep 2025281 AMAQI
24th Sep 2025292 AMAQI
24th Sep 2025293 AMAQI
24th Sep 2025294 AMAQI
24th Sep 2025285 AMAQI

26°C24/29°C

24th Sep 2025296 AMAQI
24th Sep 2025287 AMAQI
24th Sep 2025298 AMAQI
24th Sep 2025189 AMAQI
24th Sep 20251610 AMAQI
24th Sep 20251511 AMAQI
24th Sep 20252012 PMAQI
24th Sep 2025221 PMAQI
24th Sep 2025232 PMAQI
24th Sep 2025203 PMAQI
24th Sep 2025194 PMAQI
24th Sep 2025165 PMAQI
24th Sep 2025166 PMAQI
24th Sep 2025167 PMAQI
24th Sep 2025208 PMAQI
24th Sep 2025249 PMAQI
24th Sep 20252710 PMAQI
24th Sep 20252411 PMAQI
25th Sep 20252612 AMAQI
25th Sep 2025251 AMAQI
25th Sep 2025282 AMAQI
25th Sep 2025283 AMAQI
25th Sep 2025264 AMAQI
25th Sep 2025265 AMAQI

26°C24/30°C

25th Sep 2025266 AMAQI
25th Sep 2025267 AMAQI
25th Sep 2025268 AMAQI
25th Sep 2025179 AMAQI
25th Sep 20251410 AMAQI
25th Sep 20251511 AMAQI
25th Sep 20251812 PMAQI
25th Sep 2025251 PMAQI
25th Sep 2025432 PMAQI
25th Sep 2025483 PMAQI
25th Sep 2025504 PMAQI
25th Sep 2025515 PMAQI
25th Sep 2025486 PMAQI
25th Sep 2025517 PMAQI
25th Sep 2025588 PMAQI
25th Sep 2025609 PMAQI
25th Sep 20255310 PMAQI
25th Sep 20256111 PMAQI
26th Sep 20256312 AMAQI
26th Sep 2025661 AMAQI
26th Sep 2025342 AMAQI
26th Sep 2025183 AMAQI
26th Sep 2025344 AMAQI
26th Sep 2025495 AMAQI

25°C23/27°C

26th Sep 2025356 AMAQI
26th Sep 2025377 AMAQI
26th Sep 2025438 AMAQI
26th Sep 2025339 AMAQI
26th Sep 20252210 AMAQI
26th Sep 20253311 AMAQI
26th Sep 20255112 PMAQI
26th Sep 2025421 PMAQI
26th Sep 2025322 PMAQI
26th Sep 2025343 PMAQI
26th Sep 2025354 PMAQI
26th Sep 2025325 PMAQI
26th Sep 2025396 PMAQI
26th Sep 2025537 PMAQI
26th Sep 2025508 PMAQI
26th Sep 2025459 PMAQI
26th Sep 20254510 PMAQI
26th Sep 20252911 PMAQI
27th Sep 20251812 AMAQI
27th Sep 2025201 AMAQI
27th Sep 2025262 AMAQI
27th Sep 2025383 AMAQI
27th Sep 2025424 AMAQI
27th Sep 2025325 AMAQI

26°C23/28°C

27th Sep 2025356 AMAQI
27th Sep 2025327 AMAQI
27th Sep 2025248 AMAQI
27th Sep 2025249 AMAQI
27th Sep 20252810 AMAQI
27th Sep 20253111 AMAQI
27th Sep 20253212 PMAQI
27th Sep 2025391 PMAQI
27th Sep 2025352 PMAQI
27th Sep 2025333 PMAQI
27th Sep 2025234 PMAQI
27th Sep 2025205 PMAQI
27th Sep 2025296 PMAQI
27th Sep 2025267 PMAQI
27th Sep 2025268 PMAQI
27th Sep 2025269 PMAQI
27th Sep 20252610 PMAQI
27th Sep 20253111 PMAQI
28th Sep 20253312 AMAQI
28th Sep 2025251 AMAQI
28th Sep 2025242 AMAQI
28th Sep 2025243 AMAQI
28th Sep 2025224 AMAQI
28th Sep 2025225 AMAQI

24°C22/27°C

28th Sep 2025276 AMAQI
28th Sep 2025307 AMAQI
28th Sep 2025288 AMAQI
28th Sep 2025319 AMAQI
28th Sep 20253010 AMAQI
28th Sep 20252811 AMAQI
28th Sep 20253512 PMAQI
28th Sep 2025501 PMAQI
28th Sep 2025402 PMAQI
28th Sep 2025303 PMAQI
28th Sep 2025284 PMAQI
28th Sep 2025305 PMAQI
28th Sep 2025406 PMAQI
28th Sep 2025417 PMAQI
28th Sep 2025398 PMAQI
28th Sep 2025429 PMAQI
28th Sep 20254210 PMAQI
28th Sep 20254211 PMAQI
29th Sep 20254212 AMAQI
29th Sep 2025441 AMAQI
29th Sep 2025432 AMAQI
29th Sep 2025513 AMAQI
29th Sep 2025394 AMAQI
29th Sep 2025285 AMAQI

25°C22/28°C

29th Sep 2025176 AMAQI
29th Sep 2025367 AMAQI
29th Sep 2025288 AMAQI
29th Sep 2025369 AMAQI
29th Sep 20255310 AMAQI
29th Sep 20252511 AMAQI
29th Sep 2025712 PMAQI
29th Sep 2025221 PMAQI
29th Sep 2025352 PMAQI
29th Sep 2025313 PMAQI
29th Sep 2025284 PMAQI
29th Sep 2025325 PMAQI
29th Sep 2025366 PMAQI
29th Sep 2025347 PMAQI
29th Sep 2025388 PMAQI
29th Sep 2025419 PMAQI
29th Sep 20254410 PMAQI
29th Sep 20254411 PMAQI
30th Sep 20254412 AMAQI
30th Sep 2025451 AMAQI
30th Sep 2025462 AMAQI
30th Sep 2025373 AMAQI
30th Sep 2025334 AMAQI
30th Sep 2025455 AMAQI

25°C22/28°C

30th Sep 2025426 AMAQI
30th Sep 2025367 AMAQI
30th Sep 2025398 AMAQI
30th Sep 2025339 AMAQI
30th Sep 20253010 AMAQI
30th Sep 20254211 AMAQI
30th Sep 20253812 PMAQI
30th Sep 2025481 PMAQI
30th Sep 2025472 PMAQI
30th Sep 2025443 PMAQI
30th Sep 2025494 PMAQI
30th Sep 2025445 PMAQI
30th Sep 2025396 PMAQI
30th Sep 2025487 PMAQI
30th Sep 2025498 PMAQI
30th Sep 2025499 PMAQI
30th Sep 20254710 PMAQI
30th Sep 20254611 PMAQI
1st Oct 20254612 AMAQI
1st Oct 2025461 AMAQI
1st Oct 2025442 AMAQI
1st Oct 2025493 AMAQI
1st Oct 2025494 AMAQI
1st Oct 2025515 AMAQI

24°C20/27°C

1st Oct 2025476 AMAQI
1st Oct 2025477 AMAQI
1st Oct 2025498 AMAQI
1st Oct 2025469 AMAQI
1st Oct 20255110 AMAQI
1st Oct 20254311 AMAQI
1st Oct 20253412 PMAQI
1st Oct 2025291 PMAQI
1st Oct 2025332 PMAQI
1st Oct 2025333 PMAQI
1st Oct 2025424 PMAQI
1st Oct 2025405 PMAQI
1st Oct 2025516 PMAQI
1st Oct 2025517 PMAQI
1st Oct 2025568 PMAQI
1st Oct 2025589 PMAQI
1st Oct 20255710 PMAQI
1st Oct 20255511 PMAQI
2nd Oct 20252412 AMAQI
2nd Oct 2025401 AMAQI
2nd Oct 2025452 AMAQI
2nd Oct 2025453 AMAQI
2nd Oct 2025444 AMAQI
2nd Oct 2025535 AMAQI

24°C21/27°C

2nd Oct 2025556 AMAQI
2nd Oct 2025577 AMAQI
2nd Oct 2025448 AMAQI
2nd Oct 2025399 AMAQI
2nd Oct 20254110 AMAQI
2nd Oct 20255011 AMAQI
2nd Oct 20253812 PMAQI
2nd Oct 2025451 PMAQI
2nd Oct 2025542 PMAQI
2nd Oct 2025483 PMAQI
2nd Oct 2025514 PMAQI
2nd Oct 2025505 PMAQI
2nd Oct 2025486 PMAQI
2nd Oct 2025507 PMAQI
2nd Oct 2025598 PMAQI
2nd Oct 2025619 PMAQI
2nd Oct 20255910 PMAQI
2nd Oct 20256411 PMAQI
3rd Oct 20256012 AMAQI
3rd Oct 2025531 AMAQI
3rd Oct 2025572 AMAQI
3rd Oct 2025543 AMAQI
3rd Oct 2025484 AMAQI
3rd Oct 2025555 AMAQI

24°C20/29°C

3rd Oct 2025576 AMAQI
3rd Oct 2025527 AMAQI
3rd Oct 2025538 AMAQI
3rd Oct 2025589 AMAQI
3rd Oct 20255510 AMAQI
3rd Oct 20256111 AMAQI
3rd Oct 20255612 PMAQI
3rd Oct 2025551 PMAQI
3rd Oct 2025562 PMAQI
3rd Oct 2025603 PMAQI
3rd Oct 2025614 PMAQI
3rd Oct 2025725 PMAQI
3rd Oct 2025766 PMAQI
3rd Oct 2025747 PMAQI
3rd Oct 2025678 PMAQI
3rd Oct 2025939 PMAQI
3rd Oct 20258910 PMAQI
3rd Oct 20258811 PMAQI
4th Oct 20257912 AMAQI
4th Oct 2025771 AMAQI
4th Oct 2025722 AMAQI
4th Oct 2025733 AMAQI
4th Oct 2025694 AMAQI
4th Oct 2025655 AMAQI

24°C22/26°C

4th Oct 2025666 AMAQI
4th Oct 2025667 AMAQI
4th Oct 2025698 AMAQI
4th Oct 2025889 AMAQI
4th Oct 20259510 AMAQI
4th Oct 20259511 AMAQI
4th Oct 20258612 PMAQI
4th Oct 2025791 PMAQI
4th Oct 2025812 PMAQI
4th Oct 2025733 PMAQI
4th Oct 2025774 PMAQI
4th Oct 2025695 PMAQI
4th Oct 2025386 PMAQI
4th Oct 2025397 PMAQI
4th Oct 2025468 PMAQI
4th Oct 2025469 PMAQI
4th Oct 20255310 PMAQI
4th Oct 20255511 PMAQI
5th Oct 20255112 AMAQI
5th Oct 2025561 AMAQI
5th Oct 2025602 AMAQI
5th Oct 2025583 AMAQI
5th Oct 2025564 AMAQI
5th Oct 2025555 AMAQI

--°C/°C

5th Oct 2025546 AMAQI
6 AM
5th Oct 2025557 AMAQI
5th Oct 2025538 AMAQI
5th Oct 2025559 AMAQI
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

31AQI

1 hours / Day
30 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 9 AM (Avg. 31).
Night time
Avg. Highest Time
7 PM - 11 PM

37AQI

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. 37), while the lowest AQI was between 12 AM to 5 AM (Avg. 35).

2025 Days Vs Air Quality

Asahimachi, Yashima, Kumamoto, Japan

2025

81%

224

18%

51

0.3%

1

Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)

Good
224 Days
Moderate
51 Days
Poor
1 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 81%

Health Risk Level:

Low

In 2025, 81% of 278 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

Asahimachi, 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
40AQI
3rd January 2025
33AQI
4th January 2025
38AQI
5th January 2025
37AQI
6th January 2025
46AQI
7th January 2025
31AQI
8th January 2025
41AQI
9th January 2025
29AQI
10th January 2025
33AQI
11th January 2025
29AQI
12th January 2025
35AQI
13th January 2025
44AQI
14th January 2025
44AQI
15th January 2025
49AQI
16th January 2025
44AQI
17th January 2025
52AQI
18th January 2025
52AQI
19th January 2025
59AQI
20th January 2025
52AQI
21st January 2025
75AQI
22nd January 2025
75AQI
23rd January 2025
75AQI
24th January 2025
78AQI
25th January 2025
52AQI
26th January 2025
45AQI
27th January 2025
39AQI
28th January 2025
37AQI
29th January 2025
34AQI
30th January 2025
36AQI
31st January 2025
44AQI
1st February 2025
45AQI
2nd February 2025
34AQI
3rd February 2025
51AQI
4th February 2025
34AQI
5th February 2025
42AQI
6th February 2025
32AQI
7th February 2025
38AQI
8th February 2025
34AQI
9th February 2025
32AQI
10th February 2025
29AQI
11th February 2025
42AQI
12th February 2025
43AQI
13th February 2025
36AQI
14th February 2025
40AQI
15th February 2025
31AQI
16th February 2025
38AQI
17th February 2025
45AQI
18th February 2025
35AQI
19th February 2025
39AQI
20th February 2025
35AQI
21st February 2025
35AQI
22nd February 2025
42AQI
23rd February 2025
40AQI
24th February 2025
40AQI
25th February 2025
38AQI
26th February 2025
39AQI
27th February 2025
64AQI
28th February 2025
55AQI
1st March 2025
53AQI
2nd March 2025
48AQI
3rd March 2025
40AQI
4th March 2025
31AQI
5th March 2025
30AQI
6th March 2025
31AQI
7th March 2025
36AQI
8th March 2025
42AQI
9th March 2025
45AQI
10th March 2025
50AQI
11th March 2025
46AQI
12th March 2025
50AQI
13th March 2025
57AQI
14th March 2025
42AQI
15th March 2025
36AQI
16th March 2025
32AQI
17th March 2025
50AQI
18th March 2025
44AQI
19th March 2025
40AQI
20th March 2025
49AQI
21st March 2025
54AQI
22nd March 2025
62AQI
23rd March 2025
61AQI
24th March 2025
46AQI
25th March 2025
59AQI
26th March 2025
56AQI
27th March 2025
51AQI
28th March 2025
57AQI
29th March 2025
54AQI
30th March 2025
46AQI
31st March 2025
48AQI
1st April 2025
45AQI
2nd April 2025
42AQI
3rd April 2025
43AQI
4th April 2025
43AQI
5th April 2025
45AQI
6th April 2025
46AQI
7th April 2025
42AQI
8th April 2025
41AQI
9th April 2025
52AQI
10th April 2025
44AQI
11th April 2025
55AQI
12th April 2025
52AQI
13th April 2025
48AQI
14th April 2025
56AQI
15th April 2025
36AQI
16th April 2025
52AQI
17th April 2025
45AQI
18th April 2025
48AQI
19th April 2025
51AQI
20th April 2025
40AQI
21st April 2025
45AQI
22nd April 2025
38AQI
23rd April 2025
33AQI
24th April 2025
37AQI
25th April 2025
48AQI
26th April 2025
48AQI
27th April 2025
47AQI
28th April 2025
43AQI
29th April 2025
50AQI
30th April 2025
51AQI
1st May 2025
46AQI
2nd May 2025
42AQI
3rd May 2025
40AQI
4th May 2025
40AQI
5th May 2025
42AQI
6th May 2025
38AQI
7th May 2025
40AQI
8th May 2025
48AQI
9th May 2025
38AQI
10th May 2025
40AQI
11th May 2025
46AQI
12th May 2025
52AQI
13th May 2025
55AQI
14th May 2025
58AQI
15th May 2025
55AQI
16th May 2025
62AQI
17th May 2025
40AQI
18th May 2025
48AQI
19th May 2025
52AQI
20th May 2025
40AQI
21st May 2025
35AQI
22nd May 2025
37AQI
23rd May 2025
45AQI
24th May 2025
38AQI
25th May 2025
37AQI
26th May 2025
40AQI
27th May 2025
43AQI
28th May 2025
50AQI
29th May 2025
45AQI
30th May 2025
45AQI
31st May 2025
42AQI
1st June 2025
50AQI
2nd June 2025
49AQI
3rd June 2025
34AQI
4th June 2025
45AQI
5th June 2025
45AQI
6th June 2025
49AQI
7th June 2025
58AQI
8th June 2025
64AQI
9th June 2025
34AQI
10th June 2025
32AQI
11th June 2025
37AQI
12th June 2025
39AQI
13th June 2025
45AQI
14th June 2025
31AQI
15th June 2025
33AQI
16th June 2025
34AQI
17th June 2025
31AQI
18th June 2025
34AQI
19th June 2025
35AQI
20th June 2025
36AQI
21st June 2025
31AQI
22nd June 2025
26AQI
23rd June 2025
21AQI
24th June 2025
31AQI
25th June 2025
28AQI
26th June 2025
24AQI
27th June 2025
30AQI
28th June 2025
31AQI
29th June 2025
36AQI
30th June 2025
53AQI
1st July 2025
71AQI
2nd July 2025
102AQI
3rd July 2025
88AQI
4th July 2025
90AQI
5th July 2025
71AQI
6th July 2025
55AQI
7th July 2025
55AQI
8th July 2025
60AQI
9th July 2025
67AQI
10th July 2025
49AQI
11th July 2025
42AQI
12th July 2025
40AQI
13th July 2025
40AQI
14th July 2025
35AQI
15th July 2025
43AQI
16th July 2025
58AQI
17th July 2025
53AQI
18th July 2025
35AQI
19th July 2025
33AQI
20th July 2025
35AQI
21st July 2025
28AQI
22nd July 2025
41AQI
23rd July 2025
42AQI
24th July 2025
27AQI
25th July 2025
26AQI
26th July 2025
22AQI
27th July 2025
23AQI
28th July 2025
23AQI
29th July 2025
24AQI
30th July 2025
24AQI
31st July 2025
29AQI
1st August 2025
46AQI
2nd August 2025
49AQI
3rd August 2025
48AQI
4th August 2025
44AQI
5th August 2025
45AQI
6th August 2025
47AQI
7th August 2025
48AQI
8th August 2025
38AQI
9th August 2025
37AQI
10th August 2025
39AQI
11th August 2025
32AQI
12th August 2025
36AQI
13th August 2025
41AQI
14th August 2025
42AQI
15th August 2025
40AQI
16th August 2025
43AQI
17th August 2025
40AQI
18th August 2025
50AQI
19th August 2025
50AQI
20th August 2025
42AQI
21st August 2025
44AQI
22nd August 2025
51AQI
23rd August 2025
45AQI
24th August 2025
39AQI
25th August 2025
39AQI
26th August 2025
35AQI
27th August 2025
42AQI
28th August 2025
45AQI
29th August 2025
47AQI
30th August 2025
53AQI
31st August 2025
49AQI
1st September 2025
39AQI
2nd September 2025
38AQI
3rd September 2025
41AQI
4th September 2025
33AQI
5th September 2025
30AQI
6th September 2025
31AQI
7th September 2025
35AQI
8th September 2025
30AQI
9th September 2025
28AQI
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
30AQI
17th September 2025
29AQI
18th September 2025
26AQI
19th September 2025
29AQI
20th September 2025
34AQI
21st September 2025
26AQI
22nd September 2025
35AQI
23rd September 2025
32AQI
24th September 2025
23AQI
25th September 2025
40AQI
26th September 2025
40AQI
27th September 2025
29AQI
28th September 2025
33AQI
29th September 2025
36AQI
30th September 2025
43AQI
1st October 2025
45AQI
2nd October 2025
49AQI
3rd October 2025
60AQI
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

46AQI

40AQI

47AQI

46AQI

44AQI

38AQI

46AQI

43AQI

33AQI

51AQI

No. of days

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

202543AQI

22
9
25
3
21
10
23
7
25
6
27
3
20
10
1
29
2
30
2
1
224
51
1

Highest AQI recorded in

October

51AQI

Lowest AQI recorded in

September

33AQI

202444AQI

16
1
5
2
18
13
22
8
29
2
21
10
23
7
25
6
21
9
30
1
195
74

Highest AQI recorded in

January

65AQI

Lowest AQI recorded in

July

34AQI

202346AQI

19
11
1
16
12
15
16
11
19
15
16
15
15
26
5
27
4
25
5
20
11
17
12
22
8
228
134
1

Highest AQI recorded in

April

55AQI

Lowest AQI recorded in

August

32AQI

202249AQI

24
7
15
6
18
13
17
13
12
19
20
10
16
6
1
20
8
17
13
1
11
19
16
15
186
130
1

Highest AQI recorded in

August

72AQI

Lowest AQI recorded in

July

42AQI

202145AQI

19
12
18
10
14
15
15
6
14
17
14
16
26
5
29
2
26
4
13
18
16
14
22
9
226
128

Highest AQI recorded in

October

53AQI

Lowest AQI recorded in

August

30AQI

202050AQI

7
6
7
14
4
14
16
13
1
29
2
15
11
5
13
6
16
15
12
18
18
13
137
112
6

Highest AQI recorded in

August

60AQI

Lowest AQI recorded in

July

32AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2020(Avg.)
50AQI
Least Polluted Year Recorded
2025(Avg.)
43AQI

Asahimachi's annual 2025 AQI (43) shows an average percentage change of -8.9% (improved AQI) compared to previous years: 2020 (50), 2021 (45), 2022 (49), 2023 (46), 2024 (44).