Nishi, 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+
September Air Quality Analysis
Nishi, Kumamoto, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
26th Sep 2022
83AQILowest AQI recorded on
14th Sep 2022
15AQISame Day Analysis (19th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 30 of Good air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 19th Sep - 20th Sep 2025
Nishi, Kumamoto, Japan
AQI
Day
Night
.
5 AM19th Sep 2025
6 PM
4 AM20th Sep 2025
Day time
Avg. Highest Time
4PM19th Sep
38AQI
Avg. Lowest Time
2PM19th Sep
26AQI
Night time
Avg. Highest Time
8PM19th Sep
53AQI
Avg. Lowest Time
5AM19th Sep
27AQI
In the last 24 hours,
Nishi's AQI reached its highest point of 53 at 8 PM during the Night, while the lowest point, 26, was recorded at 2 PM during the Day between 19th Sep and 20th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Nishi, Kumamoto, Japan
AugSep
21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th
Day
Night
21st Aug 2025455 AMAQI
21st Aug 2025446 AMAQI
21st Aug 2025457 AMAQI
21st Aug 2025458 AMAQI
21st Aug 2025179 AMAQI
21st Aug 20251510 AMAQI
21st Aug 20252411 AMAQI
21st Aug 20253212 PMAQI
21st Aug 2025381 PMAQI
21st Aug 2025352 PMAQI
21st Aug 2025293 PMAQI
21st Aug 2025294 PMAQI
21st Aug 2025375 PMAQI
21st Aug 2025276 PMAQI
21st Aug 2025287 PMAQI
21st Aug 2025378 PMAQI
21st Aug 2025389 PMAQI
21st Aug 20253510 PMAQI
21st Aug 20254011 PMAQI
22nd Aug 20253812 AMAQI
22nd Aug 2025431 AMAQI
22nd Aug 2025452 AMAQI
22nd Aug 2025453 AMAQI
22nd Aug 2025434 AMAQI
22°C20/25°C
22nd Aug 2025425 AMAQI
22nd Aug 2025416 AMAQI
22nd Aug 2025427 AMAQI
22nd Aug 2025418 AMAQI
22nd Aug 2025309 AMAQI
22nd Aug 20252710 AMAQI
22nd Aug 20254111 AMAQI
22nd Aug 20253812 PMAQI
22nd Aug 2025501 PMAQI
22nd Aug 2025482 PMAQI
22nd Aug 2025503 PMAQI
22nd Aug 2025554 PMAQI
22nd Aug 2025515 PMAQI
22nd Aug 2025446 PMAQI
22nd Aug 2025567 PMAQI
22nd Aug 2025558 PMAQI
22nd Aug 2025509 PMAQI
22nd Aug 20255210 PMAQI
22nd Aug 20255111 PMAQI
23rd Aug 20254812 AMAQI
23rd Aug 2025451 AMAQI
23rd Aug 2025432 AMAQI
23rd Aug 2025443 AMAQI
23rd Aug 2025444 AMAQI
24°C20/29°C
23rd Aug 2025435 AMAQI
23rd Aug 2025426 AMAQI
23rd Aug 2025437 AMAQI
23rd Aug 2025428 AMAQI
23rd Aug 2025419 AMAQI
23rd Aug 20253710 AMAQI
23rd Aug 20254211 AMAQI
23rd Aug 20254012 PMAQI
23rd Aug 2025381 PMAQI
23rd Aug 2025402 PMAQI
23rd Aug 2025363 PMAQI
23rd Aug 2025384 PMAQI
23rd Aug 2025385 PMAQI
23rd Aug 2025406 PMAQI
23rd Aug 2025387 PMAQI
23rd Aug 2025458 PMAQI
23rd Aug 2025429 PMAQI
23rd Aug 20254110 PMAQI
23rd Aug 20253811 PMAQI
24th Aug 20254012 AMAQI
24th Aug 2025421 AMAQI
24th Aug 2025442 AMAQI
24th Aug 2025463 AMAQI
24th Aug 2025454 AMAQI
25°C20/31°C
24th Aug 2025465 AMAQI
24th Aug 2025456 AMAQI
24th Aug 2025457 AMAQI
24th Aug 2025458 AMAQI
24th Aug 2025379 AMAQI
24th Aug 20253410 AMAQI
24th Aug 20253411 AMAQI
24th Aug 20253612 PMAQI
24th Aug 2025391 PMAQI
24th Aug 2025392 PMAQI
24th Aug 2025303 PMAQI
24th Aug 2025374 PMAQI
24th Aug 2025425 PMAQI
24th Aug 2025416 PMAQI
24th Aug 2025397 PMAQI
24th Aug 2025388 PMAQI
24th Aug 2025399 PMAQI
24th Aug 20253910 PMAQI
24th Aug 20253811 PMAQI
25th Aug 20253812 AMAQI
25th Aug 2025431 AMAQI
25th Aug 2025442 AMAQI
25th Aug 2025443 AMAQI
25th Aug 2025424 AMAQI
25°C21/30°C
25th Aug 2025425 AMAQI
25th Aug 2025436 AMAQI
25th Aug 2025427 AMAQI
25th Aug 2025428 AMAQI
25th Aug 2025329 AMAQI
25th Aug 20252710 AMAQI
25th Aug 20252711 AMAQI
25th Aug 20253912 PMAQI
25th Aug 2025501 PMAQI
25th Aug 2025562 PMAQI
25th Aug 2025553 PMAQI
25th Aug 2025534 PMAQI
25th Aug 2025525 PMAQI
25th Aug 2025476 PMAQI
25th Aug 2025527 PMAQI
25th Aug 2025448 PMAQI
25th Aug 2025429 PMAQI
25th Aug 20253710 PMAQI
25th Aug 20253111 PMAQI
26th Aug 20253312 AMAQI
26th Aug 2025361 AMAQI
26th Aug 2025412 AMAQI
26th Aug 2025433 AMAQI
26th Aug 2025424 AMAQI
25°C21/30°C
26th Aug 2025405 AMAQI
26th Aug 2025426 AMAQI
26th Aug 2025417 AMAQI
26th Aug 2025428 AMAQI
26th Aug 2025229 AMAQI
26th Aug 20251710 AMAQI
26th Aug 20253111 AMAQI
26th Aug 20252912 PMAQI
26th Aug 2025361 PMAQI
26th Aug 2025332 PMAQI
26th Aug 2025323 PMAQI
26th Aug 2025284 PMAQI
26th Aug 2025295 PMAQI
26th Aug 2025326 PMAQI
26th Aug 2025407 PMAQI
26th Aug 2025498 PMAQI
26th Aug 2025429 PMAQI
26th Aug 20254410 PMAQI
26th Aug 20254111 PMAQI
27th Aug 20254012 AMAQI
27th Aug 2025421 AMAQI
27th Aug 2025392 AMAQI
27th Aug 2025393 AMAQI
27th Aug 2025404 AMAQI
25°C20/31°C
27th Aug 2025385 AMAQI
27th Aug 2025386 AMAQI
27th Aug 2025387 AMAQI
27th Aug 2025368 AMAQI
27th Aug 2025299 AMAQI
27th Aug 20253610 AMAQI
27th Aug 20253811 AMAQI
27th Aug 20253912 PMAQI
27th Aug 2025341 PMAQI
27th Aug 2025302 PMAQI
27th Aug 2025473 PMAQI
27th Aug 2025404 PMAQI
27th Aug 2025435 PMAQI
27th Aug 2025296 PMAQI
27th Aug 2025297 PMAQI
27th Aug 2025368 PMAQI
27th Aug 2025319 PMAQI
27th Aug 20253010 PMAQI
27th Aug 20253011 PMAQI
28th Aug 20253412 AMAQI
28th Aug 2025401 AMAQI
28th Aug 2025392 AMAQI
28th Aug 2025393 AMAQI
28th Aug 2025394 AMAQI
25°C19/32°C
28th Aug 2025395 AMAQI
28th Aug 2025386 AMAQI
28th Aug 2025397 AMAQI
28th Aug 2025388 AMAQI
28th Aug 2025319 AMAQI
28th Aug 20253710 AMAQI
28th Aug 20254011 AMAQI
28th Aug 20253712 PMAQI
28th Aug 2025431 PMAQI
28th Aug 2025392 PMAQI
28th Aug 2025443 PMAQI
28th Aug 2025504 PMAQI
28th Aug 2025545 PMAQI
28th Aug 2025396 PMAQI
28th Aug 2025457 PMAQI
28th Aug 2025458 PMAQI
28th Aug 2025439 PMAQI
28th Aug 20254310 PMAQI
28th Aug 20254311 PMAQI
29th Aug 20254112 AMAQI
29th Aug 2025401 AMAQI
29th Aug 2025392 AMAQI
29th Aug 2025403 AMAQI
29th Aug 2025384 AMAQI
25°C20/32°C
29th Aug 2025405 AMAQI
29th Aug 2025396 AMAQI
29th Aug 2025397 AMAQI
29th Aug 2025418 AMAQI
29th Aug 2025439 AMAQI
29th Aug 20254810 AMAQI
29th Aug 20255111 AMAQI
29th Aug 20255212 PMAQI
29th Aug 2025521 PMAQI
29th Aug 2025562 PMAQI
29th Aug 2025563 PMAQI
29th Aug 2025554 PMAQI
29th Aug 2025595 PMAQI
29th Aug 2025536 PMAQI
29th Aug 2025547 PMAQI
29th Aug 2025488 PMAQI
29th Aug 2025439 PMAQI
29th Aug 20254010 PMAQI
29th Aug 20254211 PMAQI
30th Aug 20254212 AMAQI
30th Aug 2025401 AMAQI
30th Aug 2025432 AMAQI
30th Aug 2025423 AMAQI
30th Aug 2025424 AMAQI
25°C21/31°C
30th Aug 2025435 AMAQI
30th Aug 2025446 AMAQI
30th Aug 2025447 AMAQI
30th Aug 2025448 AMAQI
30th Aug 2025439 AMAQI
30th Aug 20255110 AMAQI
30th Aug 20254311 AMAQI
30th Aug 20254812 PMAQI
30th Aug 2025491 PMAQI
30th Aug 2025522 PMAQI
30th Aug 2025463 PMAQI
30th Aug 2025524 PMAQI
30th Aug 2025495 PMAQI
30th Aug 2025496 PMAQI
30th Aug 2025477 PMAQI
30th Aug 2025478 PMAQI
30th Aug 2025419 PMAQI
30th Aug 20254210 PMAQI
30th Aug 20254011 PMAQI
31st Aug 20254412 AMAQI
31st Aug 2025441 AMAQI
31st Aug 2025442 AMAQI
31st Aug 2025473 AMAQI
31st Aug 2025444 AMAQI
26°C20/33°C
31st Aug 2025445 AMAQI
31st Aug 2025456 AMAQI
31st Aug 2025447 AMAQI
31st Aug 2025448 AMAQI
31st Aug 2025399 AMAQI
31st Aug 20255210 AMAQI
31st Aug 20255511 AMAQI
31st Aug 20255412 PMAQI
31st Aug 2025451 PMAQI
31st Aug 2025352 PMAQI
31st Aug 2025483 PMAQI
31st Aug 2025404 PMAQI
31st Aug 2025415 PMAQI
31st Aug 2025326 PMAQI
31st Aug 2025427 PMAQI
31st Aug 2025388 PMAQI
31st Aug 2025399 PMAQI
31st Aug 20254210 PMAQI
31st Aug 20254311 PMAQI
1st Sep 20253712 AMAQI
1st Sep 2025431 AMAQI
1st Sep 2025442 AMAQI
1st Sep 2025453 AMAQI
1st Sep 2025444 AMAQI
25°C20/32°C
1st Sep 2025435 AMAQI
1st Sep 2025436 AMAQI
1st Sep 2025457 AMAQI
1st Sep 2025468 AMAQI
1st Sep 2025209 AMAQI
1st Sep 20251810 AMAQI
1st Sep 20252511 AMAQI
1st Sep 20252212 PMAQI
1st Sep 2025371 PMAQI
1st Sep 2025302 PMAQI
1st Sep 2025383 PMAQI
1st Sep 2025304 PMAQI
1st Sep 2025295 PMAQI
1st Sep 2025346 PMAQI
1st Sep 2025367 PMAQI
1st Sep 2025348 PMAQI
1st Sep 2025329 PMAQI
1st Sep 20253210 PMAQI
1st Sep 20253311 PMAQI
2nd Sep 20253512 AMAQI
2nd Sep 2025401 AMAQI
2nd Sep 2025442 AMAQI
2nd Sep 2025463 AMAQI
2nd Sep 2025424 AMAQI
25°C20/32°C
2nd Sep 2025405 AMAQI
2nd Sep 2025396 AMAQI
2nd Sep 2025407 AMAQI
2nd Sep 2025428 AMAQI
2nd Sep 2025329 AMAQI
2nd Sep 20254010 AMAQI
2nd Sep 20252511 AMAQI
2nd Sep 20251912 PMAQI
2nd Sep 2025261 PMAQI
2nd Sep 2025312 PMAQI
2nd Sep 2025503 PMAQI
2nd Sep 2025374 PMAQI
2nd Sep 2025475 PMAQI
2nd Sep 2025496 PMAQI
2nd Sep 2025417 PMAQI
2nd Sep 2025368 PMAQI
2nd Sep 2025519 PMAQI
2nd Sep 20254510 PMAQI
2nd Sep 20253811 PMAQI
3rd Sep 20253312 AMAQI
3rd Sep 2025371 AMAQI
3rd Sep 2025422 AMAQI
3rd Sep 2025433 AMAQI
3rd Sep 2025404 AMAQI
25°C20/33°C
3rd Sep 2025405 AMAQI
3rd Sep 2025406 AMAQI
3rd Sep 2025397 AMAQI
3rd Sep 2025388 AMAQI
3rd Sep 2025409 AMAQI
3rd Sep 20253710 AMAQI
3rd Sep 20254411 AMAQI
3rd Sep 20253212 PMAQI
3rd Sep 2025411 PMAQI
3rd Sep 2025302 PMAQI
3rd Sep 2025213 PMAQI
3rd Sep 2025214 PMAQI
3rd Sep 2025275 PMAQI
3rd Sep 2025266 PMAQI
3rd Sep 2025247 PMAQI
3rd Sep 2025318 PMAQI
3rd Sep 2025289 PMAQI
3rd Sep 20252710 PMAQI
3rd Sep 20252811 PMAQI
4th Sep 20252712 AMAQI
4th Sep 2025371 AMAQI
4th Sep 2025412 AMAQI
4th Sep 2025413 AMAQI
4th Sep 2025404 AMAQI
25°C20/32°C
4th Sep 2025385 AMAQI
4th Sep 2025386 AMAQI
4th Sep 2025387 AMAQI
4th Sep 2025388 AMAQI
4th Sep 2025219 AMAQI
4th Sep 20252210 AMAQI
4th Sep 20252111 AMAQI
4th Sep 20252412 PMAQI
4th Sep 2025191 PMAQI
4th Sep 2025252 PMAQI
4th Sep 2025203 PMAQI
4th Sep 2025224 PMAQI
4th Sep 2025265 PMAQI
4th Sep 2025286 PMAQI
4th Sep 2025287 PMAQI
4th Sep 2025278 PMAQI
4th Sep 2025249 PMAQI
4th Sep 20251110 PMAQI
4th Sep 20251911 PMAQI
5th Sep 20252812 AMAQI
5th Sep 2025311 AMAQI
5th Sep 2025362 AMAQI
5th Sep 2025383 AMAQI
5th Sep 2025354 AMAQI
23°C20/25°C
5th Sep 2025355 AMAQI
5th Sep 2025346 AMAQI
5th Sep 2025357 AMAQI
5th Sep 2025358 AMAQI
5th Sep 2025189 AMAQI
5th Sep 20251610 AMAQI
5th Sep 20251611 AMAQI
5th Sep 20252212 PMAQI
5th Sep 2025201 PMAQI
5th Sep 2025222 PMAQI
5th Sep 2025303 PMAQI
5th Sep 2025324 PMAQI
5th Sep 2025325 PMAQI
5th Sep 2025366 PMAQI
5th Sep 2025327 PMAQI
5th Sep 2025268 PMAQI
5th Sep 2025289 PMAQI
5th Sep 20252310 PMAQI
5th Sep 20252611 PMAQI
6th Sep 20252412 AMAQI
6th Sep 2025231 AMAQI
6th Sep 2025232 AMAQI
6th Sep 2025233 AMAQI
6th Sep 2025244 AMAQI
26°C21/32°C
6th Sep 2025265 AMAQI
6th Sep 2025266 AMAQI
6th Sep 2025277 AMAQI
6th Sep 2025278 AMAQI
6th Sep 2025399 AMAQI
6th Sep 20252710 AMAQI
6th Sep 20252911 AMAQI
6th Sep 20254212 PMAQI
6th Sep 2025331 PMAQI
6th Sep 2025382 PMAQI
6th Sep 2025393 PMAQI
6th Sep 2025284 PMAQI
6th Sep 2025335 PMAQI
6th Sep 2025336 PMAQI
6th Sep 2025307 PMAQI
6th Sep 2025328 PMAQI
6th Sep 2025309 PMAQI
6th Sep 20253010 PMAQI
6th Sep 20252811 PMAQI
7th Sep 20252912 AMAQI
7th Sep 2025261 AMAQI
7th Sep 2025262 AMAQI
7th Sep 2025243 AMAQI
7th Sep 2025264 AMAQI
26°C20/33°C
7th Sep 2025285 AMAQI
7th Sep 2025296 AMAQI
7th Sep 2025297 AMAQI
7th Sep 2025288 AMAQI
7th Sep 2025239 AMAQI
7th Sep 20252710 AMAQI
7th Sep 20252411 AMAQI
7th Sep 20253612 PMAQI
7th Sep 2025401 PMAQI
7th Sep 2025422 PMAQI
7th Sep 2025413 PMAQI
7th Sep 2025344 PMAQI
7th Sep 2025405 PMAQI
7th Sep 2025426 PMAQI
7th Sep 2025457 PMAQI
7th Sep 2025448 PMAQI
7th Sep 2025339 PMAQI
7th Sep 20253210 PMAQI
7th Sep 20253111 PMAQI
8th Sep 20253212 AMAQI
8th Sep 2025291 AMAQI
8th Sep 2025292 AMAQI
8th Sep 2025283 AMAQI
8th Sep 2025294 AMAQI
25°C19/32°C
8th Sep 2025285 AMAQI
8th Sep 2025286 AMAQI
8th Sep 2025287 AMAQI
8th Sep 2025288 AMAQI
8th Sep 2025209 AMAQI
8th Sep 20252810 AMAQI
8th Sep 20251611 AMAQI
8th Sep 20252912 PMAQI
8th Sep 2025211 PMAQI
8th Sep 2025232 PMAQI
8th Sep 2025273 PMAQI
8th Sep 2025214 PMAQI
8th Sep 2025245 PMAQI
8th Sep 2025226 PMAQI
8th Sep 2025307 PMAQI
8th Sep 2025258 PMAQI
8th Sep 2025269 PMAQI
8th Sep 20252410 PMAQI
8th Sep 20252411 PMAQI
9th Sep 20252312 AMAQI
9th Sep 2025281 AMAQI
9th Sep 2025302 AMAQI
9th Sep 2025323 AMAQI
9th Sep 2025344 AMAQI
25°C20/32°C
9th Sep 2025305 AMAQI
9th Sep 2025306 AMAQI
9th Sep 2025307 AMAQI
9th Sep 2025298 AMAQI
9th Sep 2025189 AMAQI
9th Sep 20251710 AMAQI
9th Sep 20252011 AMAQI
9th Sep 20252212 PMAQI
9th Sep 2025201 PMAQI
9th Sep 2025212 PMAQI
9th Sep 2025243 PMAQI
9th Sep 2025244 PMAQI
9th Sep 2025235 PMAQI
9th Sep 2025256 PMAQI
9th Sep 2025297 PMAQI
9th Sep 2025358 PMAQI
9th Sep 2025319 PMAQI
9th Sep 20252810 PMAQI
9th Sep 20252911 PMAQI
10th Sep 20253012 AMAQI
10th Sep 2025301 AMAQI
10th Sep 2025302 AMAQI
10th Sep 2025313 AMAQI
10th Sep 2025304 AMAQI
26°C20/32°C
10th Sep 2025285 AMAQI
10th Sep 2025296 AMAQI
10th Sep 2025287 AMAQI
10th Sep 2025278 AMAQI
10th Sep 2025189 AMAQI
10th Sep 20252210 AMAQI
10th Sep 20252611 AMAQI
10th Sep 20252012 PMAQI
10th Sep 2025221 PMAQI
10th Sep 2025222 PMAQI
10th Sep 2025303 PMAQI
10th Sep 2025224 PMAQI
10th Sep 2025245 PMAQI
10th Sep 2025246 PMAQI
10th Sep 2025287 PMAQI
10th Sep 2025268 PMAQI
10th Sep 2025279 PMAQI
10th Sep 20252810 PMAQI
10th Sep 20252411 PMAQI
11th Sep 20252512 AMAQI
11th Sep 2025301 AMAQI
11th Sep 2025322 AMAQI
11th Sep 2025303 AMAQI
11th Sep 2025304 AMAQI
24°C21/27°C
11th Sep 2025295 AMAQI
11th Sep 2025286 AMAQI
11th Sep 2025297 AMAQI
11th Sep 2025298 AMAQI
11th Sep 2025169 AMAQI
11th Sep 20252610 AMAQI
11th Sep 20252311 AMAQI
11th Sep 20253012 PMAQI
11th Sep 2025301 PMAQI
11th Sep 2025392 PMAQI
11th Sep 2025323 PMAQI
11th Sep 2025454 PMAQI
11th Sep 2025375 PMAQI
11th Sep 2025526 PMAQI
11th Sep 2025447 PMAQI
11th Sep 2025428 PMAQI
11th Sep 2025369 PMAQI
11th Sep 20253110 PMAQI
11th Sep 20253011 PMAQI
12th Sep 20252712 AMAQI
12th Sep 2025291 AMAQI
12th Sep 2025312 AMAQI
12th Sep 2025323 AMAQI
12th Sep 2025314 AMAQI
25°C21/30°C
12th Sep 2025305 AMAQI
12th Sep 2025306 AMAQI
12th Sep 2025317 AMAQI
12th Sep 2025298 AMAQI
12th Sep 2025209 AMAQI
12th Sep 20251810 AMAQI
12th Sep 20252611 AMAQI
12th Sep 20252512 PMAQI
12th Sep 2025241 PMAQI
12th Sep 2025272 PMAQI
12th Sep 2025263 PMAQI
12th Sep 2025294 PMAQI
12th Sep 2025305 PMAQI
12th Sep 2025366 PMAQI
12th Sep 2025377 PMAQI
12th Sep 2025428 PMAQI
12th Sep 2025349 PMAQI
12th Sep 20253410 PMAQI
12th Sep 20252811 PMAQI
13th Sep 20252812 AMAQI
13th Sep 2025321 AMAQI
13th Sep 2025322 AMAQI
13th Sep 2025323 AMAQI
13th Sep 2025304 AMAQI
24°C19/32°C
13th Sep 2025305 AMAQI
13th Sep 2025296 AMAQI
13th Sep 2025317 AMAQI
13th Sep 2025308 AMAQI
13th Sep 2025279 AMAQI
13th Sep 20252710 AMAQI
13th Sep 20253111 AMAQI
13th Sep 20253512 PMAQI
13th Sep 2025471 PMAQI
13th Sep 2025372 PMAQI
13th Sep 2025363 PMAQI
13th Sep 2025314 PMAQI
13th Sep 2025245 PMAQI
13th Sep 2025306 PMAQI
13th Sep 2025287 PMAQI
13th Sep 2025278 PMAQI
13th Sep 2025309 PMAQI
13th Sep 20252610 PMAQI
13th Sep 20252511 PMAQI
14th Sep 20252712 AMAQI
14th Sep 2025291 AMAQI
14th Sep 2025302 AMAQI
14th Sep 2025323 AMAQI
14th Sep 2025324 AMAQI
23°C20/30°C
14th Sep 2025325 AMAQI
14th Sep 2025326 AMAQI
14th Sep 2025327 AMAQI
14th Sep 2025338 AMAQI
14th Sep 2025229 AMAQI
14th Sep 20252010 AMAQI
14th Sep 20252211 AMAQI
14th Sep 20252712 PMAQI
14th Sep 2025301 PMAQI
14th Sep 2025202 PMAQI
14th Sep 2025263 PMAQI
14th Sep 2025314 PMAQI
14th Sep 2025285 PMAQI
14th Sep 2025306 PMAQI
14th Sep 2025267 PMAQI
14th Sep 2025288 PMAQI
14th Sep 2025299 PMAQI
14th Sep 20252610 PMAQI
14th Sep 20252811 PMAQI
15th Sep 20252712 AMAQI
15th Sep 2025311 AMAQI
15th Sep 2025322 AMAQI
15th Sep 2025343 AMAQI
15th Sep 2025314 AMAQI
26°C21/32°C
15th Sep 2025305 AMAQI
15th Sep 2025306 AMAQI
15th Sep 2025307 AMAQI
15th Sep 2025308 AMAQI
15th Sep 2025249 AMAQI
15th Sep 20252410 AMAQI
15th Sep 20252211 AMAQI
15th Sep 20253312 PMAQI
15th Sep 2025301 PMAQI
15th Sep 2025242 PMAQI
15th Sep 2025273 PMAQI
15th Sep 2025284 PMAQI
15th Sep 2025285 PMAQI
15th Sep 2025286 PMAQI
15th Sep 2025337 PMAQI
15th Sep 2025358 PMAQI
15th Sep 2025319 PMAQI
15th Sep 20253110 PMAQI
15th Sep 20252911 PMAQI
16th Sep 20252812 AMAQI
16th Sep 2025291 AMAQI
16th Sep 2025322 AMAQI
16th Sep 2025323 AMAQI
16th Sep 2025304 AMAQI
25°C20/33°C
16th Sep 2025305 AMAQI
16th Sep 2025296 AMAQI
16th Sep 2025307 AMAQI
16th Sep 2025318 AMAQI
16th Sep 2025219 AMAQI
16th Sep 20252210 AMAQI
16th Sep 20253011 AMAQI
16th Sep 20253412 PMAQI
16th Sep 2025401 PMAQI
16th Sep 2025502 PMAQI
16th Sep 2025683 PMAQI
16th Sep 2025534 PMAQI
16th Sep 2025525 PMAQI
16th Sep 2025406 PMAQI
16th Sep 2025367 PMAQI
16th Sep 2025378 PMAQI
16th Sep 2025349 PMAQI
16th Sep 20253210 PMAQI
16th Sep 20253211 PMAQI
17th Sep 20253312 AMAQI
17th Sep 2025321 AMAQI
17th Sep 2025322 AMAQI
17th Sep 2025323 AMAQI
17th Sep 2025314 AMAQI
25°C20/32°C
17th Sep 2025325 AMAQI
17th Sep 2025336 AMAQI
17th Sep 2025337 AMAQI
17th Sep 2025328 AMAQI
17th Sep 2025309 AMAQI
17th Sep 20253410 AMAQI
17th Sep 20253011 AMAQI
17th Sep 20253212 PMAQI
17th Sep 2025351 PMAQI
17th Sep 2025302 PMAQI
17th Sep 2025333 PMAQI
17th Sep 2025334 PMAQI
17th Sep 2025325 PMAQI
17th Sep 2025276 PMAQI
17th Sep 2025217 PMAQI
17th Sep 2025278 PMAQI
17th Sep 2025269 PMAQI
17th Sep 20252410 PMAQI
17th Sep 20253111 PMAQI
18th Sep 20253212 AMAQI
18th Sep 2025311 AMAQI
18th Sep 2025322 AMAQI
18th Sep 2025323 AMAQI
18th Sep 2025314 AMAQI
24°C20/30°C
18th Sep 2025305 AMAQI
18th Sep 2025326 AMAQI
18th Sep 2025327 AMAQI
18th Sep 2025318 AMAQI
18th Sep 2025199 AMAQI
18th Sep 20251810 AMAQI
18th Sep 20251511 AMAQI
18th Sep 20251312 PMAQI
18th Sep 2025171 PMAQI
18th Sep 2025172 PMAQI
18th Sep 2025173 PMAQI
18th Sep 2025184 PMAQI
18th Sep 2025185 PMAQI
18th Sep 2025206 PMAQI
18th Sep 2025207 PMAQI
18th Sep 2025248 PMAQI
18th Sep 2025289 PMAQI
18th Sep 20252910 PMAQI
18th Sep 20253211 PMAQI
19th Sep 20253012 AMAQI
19th Sep 2025261 AMAQI
19th Sep 2025302 AMAQI
19th Sep 2025323 AMAQI
19th Sep 2025304 AMAQI
24°C20/30°C
19th Sep 2025275 AMAQI
19th Sep 2025286 AMAQI
19th Sep 2025287 AMAQI
19th Sep 2025288 AMAQI
19th Sep 2025289 AMAQI
19th Sep 20253110 AMAQI
19th Sep 20253011 AMAQI
19th Sep 20253412 PMAQI
19th Sep 2025291 PMAQI
19th Sep 2025262 PMAQI
19th Sep 2025303 PMAQI
19th Sep 2025384 PMAQI
19th Sep 2025365 PMAQI
19th Sep 2025326 PMAQI
19th Sep 2025367 PMAQI
19th Sep 2025538 PMAQI
19th Sep 2025449 PMAQI
19th Sep 20253410 PMAQI
19th Sep 20254111 PMAQI
20th Sep 20254612 AMAQI
20th Sep 2025341 AMAQI
20th Sep 2025282 AMAQI
20th Sep 2025283 AMAQI
20th Sep 2025284 AMAQI
25°C21/31°C
20th Sep 2025285 AMAQI
5 AM20th Sep 2025286 AMAQI
20th Sep 2025287 AMAQI
20th Sep 2025288 AMAQI
20th Sep 2025509 AMAQI
20th Sep 20255710 AMAQI
20th Sep 20256011 AMAQI
11 AM20th Sep 20256212 PMAQI
20th Sep 2025601 PMAQI
20th Sep 2025392 PMAQI
20th Sep 2025293 PMAQI
20th Sep 2025234 PMAQI
20th Sep 2025245 PMAQI
20th Sep 2025226 PMAQI
6 PM20th Sep 2025167 PMAQI
20th Sep 2025158 PMAQI
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 AM
35AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
9 AM
28AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 35), while the lowest AQI was between 9 AM to 9 AM (Avg. 28).
Night time
Avg. Highest Time
1 AM - 9 PM
36AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
12 AM
33AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 9 PM (Avg. 36), while the lowest AQI was between 12 AM to 12 AM (Avg. 33).
2025 Days Vs Air Quality
Nishi, Kumamoto, Japan
2025
81%
213
19%
49
Total number of days with different AQI categories in last 263 days in 2025 (102 days remaining)
Good
213 DaysModerate
49 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 81%
Health Risk Level:
Low
In 2025, 81% of 263 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
Nishi, 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
38AQI
38AQI
2nd January 2025
39AQI
39AQI
3rd January 2025
41AQI
41AQI
4th January 2025
37AQI
37AQI
5th January 2025
38AQI
38AQI
6th January 2025
46AQI
46AQI
7th January 2025
34AQI
34AQI
8th January 2025
38AQI
38AQI
9th January 2025
32AQI
32AQI
10th January 2025
34AQI
34AQI
11th January 2025
35AQI
35AQI
12th January 2025
42AQI
42AQI
13th January 2025
48AQI
48AQI
14th January 2025
49AQI
49AQI
15th January 2025
52AQI
52AQI
16th January 2025
44AQI
44AQI
17th January 2025
47AQI
47AQI
18th January 2025
53AQI
53AQI
19th January 2025
52AQI
52AQI
20th January 2025
50AQI
50AQI
21st January 2025
65AQI
65AQI
22nd January 2025
61AQI
61AQI
23rd January 2025
63AQI
63AQI
24th January 2025
61AQI
61AQI
25th January 2025
57AQI
57AQI
26th January 2025
43AQI
43AQI
27th January 2025
44AQI
44AQI
28th January 2025
37AQI
37AQI
29th January 2025
36AQI
36AQI
30th January 2025
40AQI
40AQI
31st January 2025
39AQI
39AQI
1st February 2025
37AQI
37AQI
2nd February 2025
32AQI
32AQI
3rd February 2025
44AQI
44AQI
4th February 2025
33AQI
33AQI
5th February 2025
39AQI
39AQI
6th February 2025
32AQI
32AQI
7th February 2025
36AQI
36AQI
8th February 2025
31AQI
31AQI
9th February 2025
32AQI
32AQI
10th February 2025
35AQI
35AQI
11th February 2025
40AQI
40AQI
12th February 2025
45AQI
45AQI
13th February 2025
38AQI
38AQI
14th February 2025
41AQI
41AQI
15th February 2025
38AQI
38AQI
16th February 2025
40AQI
40AQI
17th February 2025
46AQI
46AQI
18th February 2025
39AQI
39AQI
19th February 2025
43AQI
43AQI
20th February 2025
38AQI
38AQI
21st February 2025
39AQI
39AQI
22nd February 2025
46AQI
46AQI
23rd February 2025
43AQI
43AQI
24th February 2025
44AQI
44AQI
25th February 2025
42AQI
42AQI
26th February 2025
42AQI
42AQI
27th February 2025
55AQI
55AQI
28th February 2025
50AQI
50AQI
1st March 2025
54AQI
54AQI
2nd March 2025
52AQI
52AQI
3rd March 2025
41AQI
41AQI
4th March 2025
39AQI
39AQI
5th March 2025
38AQI
38AQI
6th March 2025
37AQI
37AQI
7th March 2025
38AQI
38AQI
8th March 2025
42AQI
42AQI
9th March 2025
42AQI
42AQI
10th March 2025
45AQI
45AQI
11th March 2025
36AQI
36AQI
12th March 2025
45AQI
45AQI
13th March 2025
53AQI
53AQI
14th March 2025
47AQI
47AQI
15th March 2025
35AQI
35AQI
16th March 2025
33AQI
33AQI
17th March 2025
49AQI
49AQI
18th March 2025
40AQI
40AQI
19th March 2025
40AQI
40AQI
20th March 2025
46AQI
46AQI
21st March 2025
53AQI
53AQI
22nd March 2025
60AQI
60AQI
23rd March 2025
62AQI
62AQI
24th March 2025
53AQI
53AQI
25th March 2025
65AQI
65AQI
26th March 2025
62AQI
62AQI
27th March 2025
53AQI
53AQI
28th March 2025
60AQI
60AQI
29th March 2025
57AQI
57AQI
30th March 2025
45AQI
45AQI
31st March 2025
52AQI
52AQI
1st April 2025
43AQI
43AQI
2nd April 2025
36AQI
36AQI
3rd April 2025
39AQI
39AQI
4th April 2025
39AQI
39AQI
5th April 2025
47AQI
47AQI
6th April 2025
49AQI
49AQI
7th April 2025
41AQI
41AQI
8th April 2025
41AQI
41AQI
9th April 2025
55AQI
55AQI
10th April 2025
48AQI
48AQI
11th April 2025
53AQI
53AQI
12th April 2025
56AQI
56AQI
13th April 2025
48AQI
48AQI
14th April 2025
58AQI
58AQI
15th April 2025
33AQI
33AQI
16th April 2025
50AQI
50AQI
17th April 2025
48AQI
48AQI
18th April 2025
54AQI
54AQI
19th April 2025
49AQI
49AQI
20th April 2025
34AQI
34AQI
21st April 2025
45AQI
45AQI
22nd April 2025
32AQI
32AQI
23rd April 2025
31AQI
31AQI
24th April 2025
33AQI
33AQI
25th April 2025
42AQI
42AQI
26th April 2025
47AQI
47AQI
27th April 2025
49AQI
49AQI
28th April 2025
44AQI
44AQI
29th April 2025
50AQI
50AQI
30th April 2025
52AQI
52AQI
1st May 2025
49AQI
49AQI
2nd May 2025
44AQI
44AQI
3rd May 2025
45AQI
45AQI
4th May 2025
35AQI
35AQI
5th May 2025
35AQI
35AQI
6th May 2025
29AQI
29AQI
7th May 2025
39AQI
39AQI
8th May 2025
50AQI
50AQI
9th May 2025
33AQI
33AQI
10th May 2025
45AQI
45AQI
11th May 2025
43AQI
43AQI
12th May 2025
54AQI
54AQI
13th May 2025
56AQI
56AQI
14th May 2025
58AQI
58AQI
15th May 2025
58AQI
58AQI
16th May 2025
60AQI
60AQI
17th May 2025
41AQI
41AQI
18th May 2025
45AQI
45AQI
19th May 2025
54AQI
54AQI
20th May 2025
50AQI
50AQI
21st May 2025
35AQI
35AQI
22nd May 2025
38AQI
38AQI
23rd May 2025
51AQI
51AQI
24th May 2025
33AQI
33AQI
25th May 2025
38AQI
38AQI
26th May 2025
38AQI
38AQI
27th May 2025
42AQI
42AQI
28th May 2025
42AQI
42AQI
29th May 2025
36AQI
36AQI
30th May 2025
38AQI
38AQI
31st May 2025
42AQI
42AQI
1st June 2025
47AQI
47AQI
2nd June 2025
43AQI
43AQI
3rd June 2025
31AQI
31AQI
4th June 2025
43AQI
43AQI
5th June 2025
45AQI
45AQI
6th June 2025
55AQI
55AQI
7th June 2025
59AQI
59AQI
8th June 2025
54AQI
54AQI
9th June 2025
33AQI
33AQI
10th June 2025
31AQI
31AQI
11th June 2025
35AQI
35AQI
12th June 2025
40AQI
40AQI
13th June 2025
48AQI
48AQI
14th June 2025
33AQI
33AQI
15th June 2025
31AQI
31AQI
16th June 2025
29AQI
29AQI
17th June 2025
35AQI
35AQI
18th June 2025
37AQI
37AQI
19th June 2025
39AQI
39AQI
20th June 2025
42AQI
42AQI
21st June 2025
37AQI
37AQI
22nd June 2025
23AQI
23AQI
23rd June 2025
22AQI
22AQI
24th June 2025
34AQI
34AQI
25th June 2025
34AQI
34AQI
26th June 2025
29AQI
29AQI
27th June 2025
29AQI
29AQI
28th June 2025
31AQI
31AQI
29th June 2025
46AQI
46AQI
30th June 2025
55AQI
55AQI
1st July 2025
71AQI
71AQI
2nd July 2025
98AQI
98AQI
3rd July 2025
87AQI
87AQI
4th July 2025
96AQI
96AQI
5th July 2025
75AQI
75AQI
6th July 2025
60AQI
60AQI
7th July 2025
56AQI
56AQI
8th July 2025
64AQI
64AQI
9th July 2025
66AQI
66AQI
10th July 2025
49AQI
49AQI
11th July 2025
46AQI
46AQI
12th July 2025
42AQI
42AQI
13th July 2025
41AQI
41AQI
14th July 2025
39AQI
39AQI
15th July 2025
48AQI
48AQI
16th July 2025
55AQI
55AQI
17th July 2025
46AQI
46AQI
18th July 2025
35AQI
35AQI
19th July 2025
34AQI
34AQI
20th July 2025
31AQI
31AQI
21st July 2025
30AQI
30AQI
22nd July 2025
29AQI
29AQI
23rd July 2025
30AQI
30AQI
24th July 2025
25AQI
25AQI
25th July 2025
24AQI
24AQI
26th July 2025
22AQI
22AQI
27th July 2025
23AQI
23AQI
28th July 2025
24AQI
24AQI
29th July 2025
25AQI
25AQI
30th July 2025
24AQI
24AQI
31st July 2025
28AQI
28AQI
1st August 2025
42AQI
42AQI
2nd August 2025
47AQI
47AQI
3rd August 2025
49AQI
49AQI
4th August 2025
47AQI
47AQI
5th August 2025
45AQI
45AQI
6th August 2025
44AQI
44AQI
7th August 2025
43AQI
43AQI
8th August 2025
38AQI
38AQI
9th August 2025
33AQI
33AQI
10th August 2025
38AQI
38AQI
11th August 2025
32AQI
32AQI
12th August 2025
36AQI
36AQI
13th August 2025
35AQI
35AQI
14th August 2025
41AQI
41AQI
15th August 2025
45AQI
45AQI
16th August 2025
43AQI
43AQI
17th August 2025
42AQI
42AQI
18th August 2025
46AQI
46AQI
19th August 2025
46AQI
46AQI
20th August 2025
37AQI
37AQI
21st August 2025
36AQI
36AQI
22nd August 2025
45AQI
45AQI
23rd August 2025
41AQI
41AQI
24th August 2025
40AQI
40AQI
25th August 2025
43AQI
43AQI
26th August 2025
37AQI
37AQI
27th August 2025
36AQI
36AQI
28th August 2025
41AQI
41AQI
29th August 2025
46AQI
46AQI
30th August 2025
45AQI
45AQI
31st August 2025
43AQI
43AQI
1st September 2025
35AQI
35AQI
2nd September 2025
40AQI
40AQI
3rd September 2025
34AQI
34AQI
4th September 2025
28AQI
28AQI
5th September 2025
29AQI
29AQI
6th September 2025
29AQI
29AQI
7th September 2025
33AQI
33AQI
8th September 2025
26AQI
26AQI
9th September 2025
27AQI
27AQI
10th September 2025
26AQI
26AQI
11th September 2025
33AQI
33AQI
12th September 2025
30AQI
30AQI
13th September 2025
30AQI
30AQI
14th September 2025
28AQI
28AQI
15th September 2025
30AQI
30AQI
16th September 2025
35AQI
35AQI
17th September 2025
30AQI
30AQI
18th September 2025
25AQI
25AQI
19th September 2025
30AQI
30AQI
20th September 2025
21st September 2025
22nd September 2025
23rd September 2025
24th September 2025
25th September 2025
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
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
45AQI
40AQI
48AQI
45AQI
44AQI
38AQI
46AQI
41AQI
30AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202542AQI
23
8
27
1
18
13
24
6
24
7
26
4
21
10
31
19
213
49
Highest AQI recorded in
March48AQI
Lowest AQI recorded in
September30AQI
202440AQI
16
1
1
5
6
2
21
10
27
3
30
1
20
11
21
9
29
2
21
9
31
212
64
Highest AQI recorded in
January64AQI
Lowest AQI recorded in
July29AQI
202341AQI
26
5
19
9
22
9
17
13
22
9
20
10
27
4
26
5
22
8
27
4
20
9
27
3
275
88
Highest AQI recorded in
April49AQI
Lowest AQI recorded in
August33AQI
202243AQI
22
9
18
3
20
11
12
6
17
14
20
10
18
3
1
22
6
28
3
18
12
28
3
224
80
Highest AQI recorded in
May50AQI
Lowest AQI recorded in
September37AQI
202140AQI
22
9
24
4
19
10
17
4
20
11
17
13
27
4
28
3
24
6
24
7
17
13
24
7
263
91
Highest AQI recorded in
May47AQI
Lowest AQI recorded in
July31AQI
202047AQI
5
8
8
13
9
9
17
13
25
4
15
12
4
17
2
17
14
20
10
18
13
151
98
4
Highest AQI recorded in
August58AQI
Lowest AQI recorded in
July33AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
47AQILeast Polluted Year Recorded
2024(Avg.)
40AQINishi's annual 2025 AQI (42) shows an average percentage change of 0.3% (worsened AQI) compared to previous years: 2020 (47), 2021 (40), 2022 (43), 2023 (41), 2024 (40).
