Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Kyomachi Honcho, Kumamoto, 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

Kyomachi Honcho, Kumamoto, Kumamoto, Japan

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
6th Sep 2024
99AQI
Lowest AQI recorded on
15th Sep 2022
13AQI

Same Day Analysis (2nd September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 43 of Good air quality, showing improvement over 2024 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 2nd Sep - 3rd Sep 2025

Kyomachi Honcho, Kumamoto, Kumamoto, Japan

AQI
Day
Night
.

5 AM2nd Sep 2025

6 PM

4 AM3rd Sep 2025

Day time
Avg. Highest Time
5PM2nd Sep

51AQI

Avg. Lowest Time
12PM2nd Sep

24AQI

Night time
Avg. Highest Time
10PM2nd Sep

52AQI

Avg. Lowest Time
8PM2nd Sep

38AQI

In the last 24 hours,

Kyomachi Honcho's AQI reached its highest point of 52 at 10 PM during the Night, while the lowest point, 24, was recorded at 12 PM during the Day between 2nd Sep and 3rd Sep 2025.

Day & Night AQI Trend : Aug - Sep 2025

Kyomachi Honcho, Kumamoto, Kumamoto, Japan

AugSep
04th - 05th05th - 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 - 31st31st - 01st01st - 02nd02nd - 03rd03rd
Day
Night
4th Aug 2025485 AMAQI
4th Aug 2025496 AMAQI
4th Aug 2025487 AMAQI
4th Aug 2025508 AMAQI
4th Aug 2025539 AMAQI
4th Aug 20254810 AMAQI
4th Aug 20255411 AMAQI
4th Aug 20254012 PMAQI
4th Aug 2025541 PMAQI
4th Aug 2025482 PMAQI
4th Aug 2025443 PMAQI
4th Aug 2025454 PMAQI
4th Aug 2025555 PMAQI
4th Aug 2025586 PMAQI
4th Aug 2025527 PMAQI
4th Aug 2025548 PMAQI
4th Aug 2025549 PMAQI
4th Aug 20255010 PMAQI
4th Aug 20254711 PMAQI
5th Aug 20254812 AMAQI
5th Aug 2025501 AMAQI
5th Aug 2025462 AMAQI
5th Aug 2025443 AMAQI
5th Aug 2025474 AMAQI

29°C26/32°C

5th Aug 2025475 AMAQI
5th Aug 2025486 AMAQI
5th Aug 2025487 AMAQI
5th Aug 2025478 AMAQI
5th Aug 2025409 AMAQI
5th Aug 20254610 AMAQI
5th Aug 20255211 AMAQI
5th Aug 20254612 PMAQI
5th Aug 2025561 PMAQI
5th Aug 2025552 PMAQI
5th Aug 2025503 PMAQI
5th Aug 2025404 PMAQI
5th Aug 2025455 PMAQI
5th Aug 2025396 PMAQI
5th Aug 2025407 PMAQI
5th Aug 2025468 PMAQI
5th Aug 2025429 PMAQI
5th Aug 20254710 PMAQI
5th Aug 20254811 PMAQI
6th Aug 20255012 AMAQI
6th Aug 2025481 AMAQI
6th Aug 2025482 AMAQI
6th Aug 2025453 AMAQI
6th Aug 2025494 AMAQI

30°C26/34°C

6th Aug 2025495 AMAQI
6th Aug 2025506 AMAQI
6th Aug 2025507 AMAQI
6th Aug 2025508 AMAQI
6th Aug 2025369 AMAQI
6th Aug 20253710 AMAQI
6th Aug 20254011 AMAQI
6th Aug 20254112 PMAQI
6th Aug 2025401 PMAQI
6th Aug 2025422 PMAQI
6th Aug 2025383 PMAQI
6th Aug 2025394 PMAQI
6th Aug 2025465 PMAQI
6th Aug 2025446 PMAQI
6th Aug 2025467 PMAQI
6th Aug 2025518 PMAQI
6th Aug 2025489 PMAQI
6th Aug 20254510 PMAQI
6th Aug 20254611 PMAQI
7th Aug 20254612 AMAQI
7th Aug 2025431 AMAQI
7th Aug 2025482 AMAQI
7th Aug 2025483 AMAQI
7th Aug 2025474 AMAQI

29°C26/34°C

7th Aug 2025495 AMAQI
7th Aug 2025486 AMAQI
7th Aug 2025487 AMAQI
7th Aug 2025488 AMAQI
7th Aug 2025499 AMAQI
7th Aug 20254610 AMAQI
7th Aug 20255211 AMAQI
7th Aug 20255412 PMAQI
7th Aug 2025501 PMAQI
7th Aug 2025582 PMAQI
7th Aug 2025543 PMAQI
7th Aug 2025454 PMAQI
7th Aug 2025245 PMAQI
7th Aug 2025216 PMAQI
7th Aug 2025237 PMAQI
7th Aug 2025338 PMAQI
7th Aug 2025429 PMAQI
7th Aug 20255010 PMAQI
7th Aug 20255411 PMAQI
8th Aug 20255612 AMAQI
8th Aug 2025551 AMAQI
8th Aug 2025492 AMAQI
8th Aug 2025493 AMAQI
8th Aug 2025494 AMAQI

27°C25/28°C

8th Aug 2025495 AMAQI
8th Aug 2025496 AMAQI
8th Aug 2025507 AMAQI
8th Aug 2025498 AMAQI
8th Aug 2025369 AMAQI
8th Aug 20253010 AMAQI
8th Aug 20253011 AMAQI
8th Aug 20253212 PMAQI
8th Aug 2025311 PMAQI
8th Aug 2025312 PMAQI
8th Aug 2025333 PMAQI
8th Aug 2025334 PMAQI
8th Aug 2025315 PMAQI
8th Aug 2025306 PMAQI
8th Aug 2025337 PMAQI
8th Aug 2025398 PMAQI
8th Aug 2025429 PMAQI
8th Aug 20254210 PMAQI
8th Aug 20254211 PMAQI
9th Aug 20254312 AMAQI
9th Aug 2025451 AMAQI
9th Aug 2025522 AMAQI
9th Aug 2025523 AMAQI
9th Aug 2025504 AMAQI

26°C24/29°C

9th Aug 2025485 AMAQI
9th Aug 2025476 AMAQI
9th Aug 2025487 AMAQI
9th Aug 2025488 AMAQI
9th Aug 2025319 AMAQI
9th Aug 20252410 AMAQI
9th Aug 20252011 AMAQI
9th Aug 20252212 PMAQI
9th Aug 2025241 PMAQI
9th Aug 2025222 PMAQI
9th Aug 2025273 PMAQI
9th Aug 2025334 PMAQI
9th Aug 2025325 PMAQI
9th Aug 2025256 PMAQI
9th Aug 2025237 PMAQI
9th Aug 2025268 PMAQI
9th Aug 2025399 PMAQI
9th Aug 20253910 PMAQI
9th Aug 20253911 PMAQI
10th Aug 20253912 AMAQI
10th Aug 2025421 AMAQI
10th Aug 2025502 AMAQI
10th Aug 2025493 AMAQI
10th Aug 2025474 AMAQI

25°C24/26°C

10th Aug 2025435 AMAQI
10th Aug 2025436 AMAQI
10th Aug 2025447 AMAQI
10th Aug 2025448 AMAQI
10th Aug 2025389 AMAQI
10th Aug 20253810 AMAQI
10th Aug 20253711 AMAQI
10th Aug 20253712 PMAQI
10th Aug 2025411 PMAQI
10th Aug 2025422 PMAQI
10th Aug 2025403 PMAQI
10th Aug 2025364 PMAQI
10th Aug 2025305 PMAQI
10th Aug 2025366 PMAQI
10th Aug 2025447 PMAQI
10th Aug 2025408 PMAQI
10th Aug 2025429 PMAQI
10th Aug 20254210 PMAQI
10th Aug 20254011 PMAQI
11th Aug 20253812 AMAQI
11th Aug 2025351 AMAQI
11th Aug 2025402 AMAQI
11th Aug 2025463 AMAQI
11th Aug 2025464 AMAQI

26°C25/26°C

11th Aug 2025445 AMAQI
11th Aug 2025446 AMAQI
11th Aug 2025447 AMAQI
11th Aug 2025448 AMAQI
11th Aug 2025209 AMAQI
11th Aug 20251410 AMAQI
11th Aug 20251411 AMAQI
11th Aug 20251612 PMAQI
11th Aug 2025171 PMAQI
11th Aug 2025162 PMAQI
11th Aug 2025203 PMAQI
11th Aug 2025294 PMAQI
11th Aug 2025275 PMAQI
11th Aug 2025266 PMAQI
11th Aug 2025267 PMAQI
11th Aug 2025308 PMAQI
11th Aug 2025329 PMAQI
11th Aug 20253210 PMAQI
11th Aug 20253211 PMAQI
12th Aug 20253412 AMAQI
12th Aug 2025371 AMAQI
12th Aug 2025402 AMAQI
12th Aug 2025393 AMAQI
12th Aug 2025374 AMAQI

26°C25/26°C

12th Aug 2025365 AMAQI
12th Aug 2025366 AMAQI
12th Aug 2025357 AMAQI
12th Aug 2025338 AMAQI
12th Aug 2025289 AMAQI
12th Aug 20253010 AMAQI
12th Aug 20253111 AMAQI
12th Aug 20254312 PMAQI
12th Aug 2025321 PMAQI
12th Aug 2025282 PMAQI
12th Aug 2025343 PMAQI
12th Aug 2025424 PMAQI
12th Aug 2025375 PMAQI
12th Aug 2025426 PMAQI
12th Aug 2025427 PMAQI
12th Aug 2025338 PMAQI
12th Aug 2025409 PMAQI
12th Aug 20253610 PMAQI
12th Aug 20253411 PMAQI
13th Aug 20253512 AMAQI
13th Aug 2025361 AMAQI
13th Aug 2025362 AMAQI
13th Aug 2025373 AMAQI
13th Aug 2025364 AMAQI

27°C25/30°C

13th Aug 2025355 AMAQI
13th Aug 2025366 AMAQI
13th Aug 2025367 AMAQI
13th Aug 2025368 AMAQI
13th Aug 2025409 AMAQI
13th Aug 20253910 AMAQI
13th Aug 20254811 AMAQI
13th Aug 20253612 PMAQI
13th Aug 2025461 PMAQI
13th Aug 2025452 PMAQI
13th Aug 2025543 PMAQI
13th Aug 2025464 PMAQI
13th Aug 2025485 PMAQI
13th Aug 2025426 PMAQI
13th Aug 2025487 PMAQI
13th Aug 2025358 PMAQI
13th Aug 2025389 PMAQI
13th Aug 20253610 PMAQI
13th Aug 20253411 PMAQI
14th Aug 20253912 AMAQI
14th Aug 2025381 AMAQI
14th Aug 2025382 AMAQI
14th Aug 2025383 AMAQI
14th Aug 2025394 AMAQI

28°C24/32°C

14th Aug 2025385 AMAQI
14th Aug 2025396 AMAQI
14th Aug 2025397 AMAQI
14th Aug 2025398 AMAQI
14th Aug 2025269 AMAQI
14th Aug 20253610 AMAQI
14th Aug 20253811 AMAQI
14th Aug 20254112 PMAQI
14th Aug 2025461 PMAQI
14th Aug 2025532 PMAQI
14th Aug 2025543 PMAQI
14th Aug 2025464 PMAQI
14th Aug 2025485 PMAQI
14th Aug 2025516 PMAQI
14th Aug 2025527 PMAQI
14th Aug 2025508 PMAQI
14th Aug 2025449 PMAQI
14th Aug 20254410 PMAQI
14th Aug 20254611 PMAQI
15th Aug 20254412 AMAQI
15th Aug 2025401 AMAQI
15th Aug 2025412 AMAQI
15th Aug 2025383 AMAQI
15th Aug 2025404 AMAQI

28°C25/33°C

15th Aug 2025405 AMAQI
15th Aug 2025406 AMAQI
15th Aug 2025407 AMAQI
15th Aug 2025408 AMAQI
15th Aug 2025489 AMAQI
15th Aug 20254910 AMAQI
15th Aug 20255111 AMAQI
15th Aug 20254812 PMAQI
15th Aug 2025511 PMAQI
15th Aug 2025462 PMAQI
15th Aug 2025453 PMAQI
15th Aug 2025444 PMAQI
15th Aug 2025415 PMAQI
15th Aug 2025456 PMAQI
15th Aug 2025437 PMAQI
15th Aug 2025468 PMAQI
15th Aug 2025429 PMAQI
15th Aug 20254210 PMAQI
15th Aug 20254411 PMAQI
16th Aug 20254212 AMAQI
16th Aug 2025421 AMAQI
16th Aug 2025382 AMAQI
16th Aug 2025393 AMAQI
16th Aug 2025414 AMAQI

29°C25/33°C

16th Aug 2025415 AMAQI
16th Aug 2025406 AMAQI
16th Aug 2025417 AMAQI
16th Aug 2025418 AMAQI
16th Aug 2025439 AMAQI
16th Aug 20254510 AMAQI
16th Aug 20255411 AMAQI
16th Aug 20255612 PMAQI
16th Aug 2025541 PMAQI
16th Aug 2025482 PMAQI
16th Aug 2025523 PMAQI
16th Aug 2025524 PMAQI
16th Aug 2025455 PMAQI
16th Aug 2025436 PMAQI
16th Aug 2025467 PMAQI
16th Aug 2025418 PMAQI
16th Aug 2025449 PMAQI
16th Aug 20253810 PMAQI
16th Aug 20254211 PMAQI
17th Aug 20254812 AMAQI
17th Aug 2025441 AMAQI
17th Aug 2025402 AMAQI
17th Aug 2025393 AMAQI
17th Aug 2025404 AMAQI

29°C26/33°C

17th Aug 2025425 AMAQI
17th Aug 2025426 AMAQI
17th Aug 2025447 AMAQI
17th Aug 2025428 AMAQI
17th Aug 2025479 AMAQI
17th Aug 20254610 AMAQI
17th Aug 20255111 AMAQI
17th Aug 20255212 PMAQI
17th Aug 2025521 PMAQI
17th Aug 2025502 PMAQI
17th Aug 2025543 PMAQI
17th Aug 2025524 PMAQI
17th Aug 2025505 PMAQI
17th Aug 2025496 PMAQI
17th Aug 2025397 PMAQI
17th Aug 2025318 PMAQI
17th Aug 2025379 PMAQI
17th Aug 20253610 PMAQI
17th Aug 20253611 PMAQI
18th Aug 20254312 AMAQI
18th Aug 2025401 AMAQI
18th Aug 2025422 AMAQI
18th Aug 2025403 AMAQI
18th Aug 2025424 AMAQI

28°C25/32°C

18th Aug 2025435 AMAQI
18th Aug 2025446 AMAQI
18th Aug 2025437 AMAQI
18th Aug 2025448 AMAQI
18th Aug 2025359 AMAQI
18th Aug 20255010 AMAQI
18th Aug 20255411 AMAQI
18th Aug 20255712 PMAQI
18th Aug 2025611 PMAQI
18th Aug 2025582 PMAQI
18th Aug 2025583 PMAQI
18th Aug 2025594 PMAQI
18th Aug 2025585 PMAQI
18th Aug 2025586 PMAQI
18th Aug 2025587 PMAQI
18th Aug 2025548 PMAQI
18th Aug 2025499 PMAQI
18th Aug 20254710 PMAQI
18th Aug 20255211 PMAQI
19th Aug 20255312 AMAQI
19th Aug 2025441 AMAQI
19th Aug 2025432 AMAQI
19th Aug 2025423 AMAQI
19th Aug 2025444 AMAQI

28°C24/32°C

19th Aug 2025465 AMAQI
19th Aug 2025466 AMAQI
19th Aug 2025467 AMAQI
19th Aug 2025468 AMAQI
19th Aug 2025519 AMAQI
19th Aug 20255610 AMAQI
19th Aug 20257311 AMAQI
19th Aug 20256012 PMAQI
19th Aug 2025621 PMAQI
19th Aug 2025602 PMAQI
19th Aug 2025613 PMAQI
19th Aug 2025584 PMAQI
19th Aug 2025545 PMAQI
19th Aug 2025556 PMAQI
19th Aug 2025507 PMAQI
19th Aug 2025538 PMAQI
19th Aug 2025439 PMAQI
19th Aug 20254610 PMAQI
19th Aug 20254611 PMAQI
20th Aug 20254612 AMAQI
20th Aug 2025451 AMAQI
20th Aug 2025462 AMAQI
20th Aug 2025443 AMAQI
20th Aug 2025494 AMAQI

28°C25/32°C

20th Aug 2025485 AMAQI
20th Aug 2025486 AMAQI
20th Aug 2025507 AMAQI
20th Aug 2025508 AMAQI
20th Aug 2025479 AMAQI
20th Aug 20254810 AMAQI
20th Aug 20254511 AMAQI
20th Aug 20254812 PMAQI
20th Aug 2025421 PMAQI
20th Aug 2025332 PMAQI
20th Aug 2025383 PMAQI
20th Aug 2025434 PMAQI
20th Aug 2025275 PMAQI
20th Aug 2025326 PMAQI
20th Aug 2025327 PMAQI
20th Aug 2025428 PMAQI
20th Aug 2025389 PMAQI
20th Aug 20253910 PMAQI
20th Aug 20253811 PMAQI
21st Aug 20254112 AMAQI
21st Aug 2025441 AMAQI
21st Aug 2025472 AMAQI
21st Aug 2025483 AMAQI
21st Aug 2025484 AMAQI

28°C25/32°C

21st Aug 2025465 AMAQI
21st Aug 2025486 AMAQI
21st Aug 2025477 AMAQI
21st Aug 2025488 AMAQI
21st Aug 2025269 AMAQI
21st Aug 20252910 AMAQI
21st Aug 20252811 AMAQI
21st Aug 20253312 PMAQI
21st Aug 2025431 PMAQI
21st Aug 2025462 PMAQI
21st Aug 2025463 PMAQI
21st Aug 2025414 PMAQI
21st Aug 2025395 PMAQI
21st Aug 2025316 PMAQI
21st Aug 2025337 PMAQI
21st Aug 2025388 PMAQI
21st Aug 2025429 PMAQI
21st Aug 20254610 PMAQI
21st Aug 20254111 PMAQI
22nd Aug 20254012 AMAQI
22nd Aug 2025461 AMAQI
22nd Aug 2025472 AMAQI
22nd Aug 2025463 AMAQI
22nd Aug 2025454 AMAQI

28°C25/33°C

22nd Aug 2025465 AMAQI
22nd Aug 2025446 AMAQI
22nd Aug 2025467 AMAQI
22nd Aug 2025448 AMAQI
22nd Aug 2025389 AMAQI
22nd Aug 20253110 AMAQI
22nd Aug 20254111 AMAQI
22nd Aug 20253812 PMAQI
22nd Aug 2025501 PMAQI
22nd Aug 2025572 PMAQI
22nd Aug 2025523 PMAQI
22nd Aug 2025544 PMAQI
22nd Aug 2025465 PMAQI
22nd Aug 2025406 PMAQI
22nd Aug 2025567 PMAQI
22nd Aug 2025538 PMAQI
22nd Aug 2025479 PMAQI
22nd Aug 20255310 PMAQI
22nd Aug 20255311 PMAQI
23rd Aug 20254912 AMAQI
23rd Aug 2025451 AMAQI
23rd Aug 2025462 AMAQI
23rd Aug 2025463 AMAQI
23rd Aug 2025474 AMAQI

28°C25/31°C

23rd Aug 2025485 AMAQI
23rd Aug 2025466 AMAQI
23rd Aug 2025467 AMAQI
23rd Aug 2025468 AMAQI
23rd Aug 2025409 AMAQI
23rd Aug 20254910 AMAQI
23rd Aug 20254611 AMAQI
23rd Aug 20253512 PMAQI
23rd Aug 2025361 PMAQI
23rd Aug 2025392 PMAQI
23rd Aug 2025333 PMAQI
23rd Aug 2025404 PMAQI
23rd Aug 2025385 PMAQI
23rd Aug 2025346 PMAQI
23rd Aug 2025397 PMAQI
23rd Aug 2025428 PMAQI
23rd Aug 2025469 PMAQI
23rd Aug 20254410 PMAQI
23rd Aug 20254611 PMAQI
24th Aug 20254812 AMAQI
24th Aug 2025471 AMAQI
24th Aug 2025462 AMAQI
24th Aug 2025473 AMAQI
24th Aug 2025474 AMAQI

28°C25/32°C

24th Aug 2025465 AMAQI
24th Aug 2025466 AMAQI
24th Aug 2025467 AMAQI
24th Aug 2025458 AMAQI
24th Aug 2025429 AMAQI
24th Aug 20253710 AMAQI
24th Aug 20253911 AMAQI
24th Aug 20253812 PMAQI
24th Aug 2025531 PMAQI
24th Aug 2025512 PMAQI
24th Aug 2025443 PMAQI
24th Aug 2025424 PMAQI
24th Aug 2025435 PMAQI
24th Aug 2025466 PMAQI
24th Aug 2025417 PMAQI
24th Aug 2025448 PMAQI
24th Aug 2025409 PMAQI
24th Aug 20253610 PMAQI
24th Aug 20253911 PMAQI
25th Aug 20253712 AMAQI
25th Aug 2025431 AMAQI
25th Aug 2025442 AMAQI
25th Aug 2025453 AMAQI
25th Aug 2025444 AMAQI

28°C25/32°C

25th Aug 2025455 AMAQI
25th Aug 2025466 AMAQI
25th Aug 2025457 AMAQI
25th Aug 2025458 AMAQI
25th Aug 2025359 AMAQI
25th Aug 20254710 AMAQI
25th Aug 20253511 AMAQI
25th Aug 20253512 PMAQI
25th Aug 2025441 PMAQI
25th Aug 2025542 PMAQI
25th Aug 2025543 PMAQI
25th Aug 2025464 PMAQI
25th Aug 2025365 PMAQI
25th Aug 2025436 PMAQI
25th Aug 2025467 PMAQI
25th Aug 2025438 PMAQI
25th Aug 2025409 PMAQI
25th Aug 20253810 PMAQI
25th Aug 20253511 PMAQI
26th Aug 20253712 AMAQI
26th Aug 2025401 AMAQI
26th Aug 2025432 AMAQI
26th Aug 2025443 AMAQI
26th Aug 2025444 AMAQI

28°C25/31°C

26th Aug 2025445 AMAQI
26th Aug 2025466 AMAQI
26th Aug 2025457 AMAQI
26th Aug 2025468 AMAQI
26th Aug 2025289 AMAQI
26th Aug 20253310 AMAQI
26th Aug 20253211 AMAQI
26th Aug 20252812 PMAQI
26th Aug 2025311 PMAQI
26th Aug 2025332 PMAQI
26th Aug 2025423 PMAQI
26th Aug 2025404 PMAQI
26th Aug 2025315 PMAQI
26th Aug 2025346 PMAQI
26th Aug 2025317 PMAQI
26th Aug 2025448 PMAQI
26th Aug 2025419 PMAQI
26th Aug 20253810 PMAQI
26th Aug 20254211 PMAQI
27th Aug 20254212 AMAQI
27th Aug 2025471 AMAQI
27th Aug 2025442 AMAQI
27th Aug 2025443 AMAQI
27th Aug 2025434 AMAQI

28°C25/31°C

27th Aug 2025405 AMAQI
27th Aug 2025416 AMAQI
27th Aug 2025407 AMAQI
27th Aug 2025408 AMAQI
27th Aug 2025419 AMAQI
27th Aug 20253410 AMAQI
27th Aug 20254011 AMAQI
27th Aug 20254612 PMAQI
27th Aug 2025411 PMAQI
27th Aug 2025362 PMAQI
27th Aug 2025543 PMAQI
27th Aug 2025504 PMAQI
27th Aug 2025445 PMAQI
27th Aug 2025456 PMAQI
27th Aug 2025377 PMAQI
27th Aug 2025398 PMAQI
27th Aug 2025359 PMAQI
27th Aug 20253210 PMAQI
27th Aug 20253511 PMAQI
28th Aug 20254212 AMAQI
28th Aug 2025441 AMAQI
28th Aug 2025412 AMAQI
28th Aug 2025423 AMAQI
28th Aug 2025424 AMAQI

28°C25/32°C

28th Aug 2025425 AMAQI
28th Aug 2025426 AMAQI
28th Aug 2025427 AMAQI
28th Aug 2025438 AMAQI
28th Aug 2025369 AMAQI
28th Aug 20253910 AMAQI
28th Aug 20254111 AMAQI
28th Aug 20254512 PMAQI
28th Aug 2025441 PMAQI
28th Aug 2025412 PMAQI
28th Aug 2025473 PMAQI
28th Aug 2025524 PMAQI
28th Aug 2025565 PMAQI
28th Aug 2025436 PMAQI
28th Aug 2025427 PMAQI
28th Aug 2025478 PMAQI
28th Aug 2025469 PMAQI
28th Aug 20254610 PMAQI
28th Aug 20254511 PMAQI
29th Aug 20254712 AMAQI
29th Aug 2025431 AMAQI
29th Aug 2025412 AMAQI
29th Aug 2025443 AMAQI
29th Aug 2025434 AMAQI

28°C25/33°C

29th Aug 2025445 AMAQI
29th Aug 2025436 AMAQI
29th Aug 2025437 AMAQI
29th Aug 2025448 AMAQI
29th Aug 2025449 AMAQI
29th Aug 20255010 AMAQI
29th Aug 20255511 AMAQI
29th Aug 20255712 PMAQI
29th Aug 2025541 PMAQI
29th Aug 2025522 PMAQI
29th Aug 2025583 PMAQI
29th Aug 2025524 PMAQI
29th Aug 2025545 PMAQI
29th Aug 2025546 PMAQI
29th Aug 2025527 PMAQI
29th Aug 2025488 PMAQI
29th Aug 2025479 PMAQI
29th Aug 20255010 PMAQI
29th Aug 20254811 PMAQI
30th Aug 20254712 AMAQI
30th Aug 2025501 AMAQI
30th Aug 2025492 AMAQI
30th Aug 2025443 AMAQI
30th Aug 2025464 AMAQI

28°C25/33°C

30th Aug 2025465 AMAQI
30th Aug 2025466 AMAQI
30th Aug 2025477 AMAQI
30th Aug 2025468 AMAQI
30th Aug 2025549 AMAQI
30th Aug 20255610 AMAQI
30th Aug 20255611 AMAQI
30th Aug 20255612 PMAQI
30th Aug 2025621 PMAQI
30th Aug 2025572 PMAQI
30th Aug 2025563 PMAQI
30th Aug 2025614 PMAQI
30th Aug 2025545 PMAQI
30th Aug 2025596 PMAQI
30th Aug 2025577 PMAQI
30th Aug 2025518 PMAQI
30th Aug 2025499 PMAQI
30th Aug 20255210 PMAQI
30th Aug 20255611 PMAQI
31st Aug 20255312 AMAQI
31st Aug 2025531 AMAQI
31st Aug 2025462 AMAQI
31st Aug 2025483 AMAQI
31st Aug 2025494 AMAQI

29°C25/33°C

31st Aug 2025515 AMAQI
31st Aug 2025516 AMAQI
31st Aug 2025507 AMAQI
31st Aug 2025518 AMAQI
31st Aug 2025589 AMAQI
31st Aug 20256610 AMAQI
31st Aug 20256211 AMAQI
31st Aug 20255912 PMAQI
31st Aug 2025581 PMAQI
31st Aug 2025442 PMAQI
31st Aug 2025533 PMAQI
31st Aug 2025504 PMAQI
31st Aug 2025445 PMAQI
31st Aug 2025486 PMAQI
31st Aug 2025407 PMAQI
31st Aug 2025498 PMAQI
31st Aug 2025449 PMAQI
31st Aug 20254610 PMAQI
31st Aug 20254611 PMAQI
1st Sep 20254312 AMAQI
1st Sep 2025481 AMAQI
1st Sep 2025502 AMAQI
1st Sep 2025503 AMAQI
1st Sep 2025514 AMAQI

28°C25/32°C

1st Sep 2025525 AMAQI
1st Sep 2025526 AMAQI
1st Sep 2025517 AMAQI
1st Sep 2025528 AMAQI
1st Sep 2025349 AMAQI
1st Sep 20252810 AMAQI
1st Sep 20253011 AMAQI
1st Sep 20254012 PMAQI
1st Sep 2025431 PMAQI
1st Sep 2025282 PMAQI
1st Sep 2025373 PMAQI
1st Sep 2025324 PMAQI
1st Sep 2025355 PMAQI
1st Sep 2025356 PMAQI
1st Sep 2025387 PMAQI
1st Sep 2025328 PMAQI
1st Sep 2025349 PMAQI
1st Sep 20253510 PMAQI
1st Sep 20253611 PMAQI
2nd Sep 20253812 AMAQI
2nd Sep 2025461 AMAQI
2nd Sep 2025482 AMAQI
2nd Sep 2025493 AMAQI
2nd Sep 2025464 AMAQI

28°C25/32°C

2nd Sep 2025455 AMAQI
2nd Sep 2025456 AMAQI
2nd Sep 2025467 AMAQI
2nd Sep 2025448 AMAQI
2nd Sep 2025409 AMAQI
2nd Sep 20255010 AMAQI
2nd Sep 20253411 AMAQI
2nd Sep 20252412 PMAQI
2nd Sep 2025261 PMAQI
2nd Sep 2025352 PMAQI
2nd Sep 2025383 PMAQI
2nd Sep 2025384 PMAQI
2nd Sep 2025515 PMAQI
2nd Sep 2025506 PMAQI
2nd Sep 2025457 PMAQI
2nd Sep 2025388 PMAQI
2nd Sep 2025519 PMAQI
2nd Sep 20255210 PMAQI
2nd Sep 20254811 PMAQI
3rd Sep 20254612 AMAQI
3rd Sep 2025411 AMAQI
3rd Sep 2025462 AMAQI
3rd Sep 2025463 AMAQI
3rd Sep 2025454 AMAQI

28°C25/31°C

3rd Sep 2025445 AMAQI
5 AM
3rd Sep 2025446 AMAQI
3rd Sep 2025437 AMAQI
3rd Sep 2025448 AMAQI
3rd Sep 2025469 AMAQI
3rd Sep 20254510 AMAQI
3rd Sep 20255111 AMAQI
11 AM
3rd Sep 20255212 PMAQI
6 PM
11 PM
4 AM

--°C/°C

Day time
Avg. Highest Time
3 PM - 4 PM

46AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
9 AM - 10 AM

41AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 PM to 4 PM (Avg. 46), while the lowest AQI was between 9 AM to 10 AM (Avg. 41).
Night time
Avg. Highest Time
12 AM - 4 AM

44AQI

5 hours / Day
150 hours / Month
Avg. Lowest Time
7 PM - 11 PM

43AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 44), while the lowest AQI was between 7 PM to 11 PM (Avg. 43).

2025 Days Vs Air Quality

Kyomachi Honcho, Kumamoto, Kumamoto, Japan

2025

74%

181

26%

64

Total number of days with different AQI categories in last 246 days in 2025 (119 days remaining)

Good
181 Days
Moderate
64 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 74%

Health Risk Level:

Low

In 2025, 74% of 246 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

Kyomachi Honcho, Kumamoto, 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
40AQI
2nd January 2025
47AQI
3rd January 2025
40AQI
4th January 2025
42AQI
5th January 2025
42AQI
6th January 2025
58AQI
7th January 2025
33AQI
8th January 2025
47AQI
9th January 2025
31AQI
10th January 2025
36AQI
11th January 2025
31AQI
12th January 2025
35AQI
13th January 2025
43AQI
14th January 2025
49AQI
15th January 2025
51AQI
16th January 2025
49AQI
17th January 2025
54AQI
18th January 2025
55AQI
19th January 2025
61AQI
20th January 2025
57AQI
21st January 2025
77AQI
22nd January 2025
78AQI
23rd January 2025
80AQI
24th January 2025
80AQI
25th January 2025
54AQI
26th January 2025
46AQI
27th January 2025
44AQI
28th January 2025
38AQI
29th January 2025
36AQI
30th January 2025
42AQI
31st January 2025
50AQI
1st February 2025
45AQI
2nd February 2025
37AQI
3rd February 2025
50AQI
4th February 2025
33AQI
5th February 2025
42AQI
6th February 2025
32AQI
7th February 2025
39AQI
8th February 2025
30AQI
9th February 2025
34AQI
10th February 2025
33AQI
11th February 2025
46AQI
12th February 2025
46AQI
13th February 2025
38AQI
14th February 2025
48AQI
15th February 2025
39AQI
16th February 2025
40AQI
17th February 2025
46AQI
18th February 2025
36AQI
19th February 2025
41AQI
20th February 2025
42AQI
21st February 2025
37AQI
22nd February 2025
45AQI
23rd February 2025
42AQI
24th February 2025
40AQI
25th February 2025
42AQI
26th February 2025
41AQI
27th February 2025
70AQI
28th February 2025
58AQI
1st March 2025
57AQI
2nd March 2025
49AQI
3rd March 2025
42AQI
4th March 2025
34AQI
5th March 2025
30AQI
6th March 2025
33AQI
7th March 2025
34AQI
8th March 2025
46AQI
9th March 2025
48AQI
10th March 2025
53AQI
11th March 2025
44AQI
12th March 2025
50AQI
13th March 2025
56AQI
14th March 2025
43AQI
15th March 2025
35AQI
16th March 2025
30AQI
17th March 2025
52AQI
18th March 2025
43AQI
19th March 2025
40AQI
20th March 2025
52AQI
21st March 2025
54AQI
22nd March 2025
63AQI
23rd March 2025
61AQI
24th March 2025
49AQI
25th March 2025
60AQI
26th March 2025
60AQI
27th March 2025
55AQI
28th March 2025
58AQI
29th March 2025
55AQI
30th March 2025
48AQI
31st March 2025
51AQI
1st April 2025
49AQI
2nd April 2025
40AQI
3rd April 2025
40AQI
4th April 2025
40AQI
5th April 2025
45AQI
6th April 2025
47AQI
7th April 2025
46AQI
8th April 2025
41AQI
9th April 2025
55AQI
10th April 2025
46AQI
11th April 2025
57AQI
12th April 2025
54AQI
13th April 2025
52AQI
14th April 2025
57AQI
15th April 2025
36AQI
16th April 2025
52AQI
17th April 2025
45AQI
18th April 2025
51AQI
19th April 2025
54AQI
20th April 2025
44AQI
21st April 2025
48AQI
22nd April 2025
37AQI
23rd April 2025
31AQI
24th April 2025
39AQI
25th April 2025
49AQI
26th April 2025
49AQI
27th April 2025
53AQI
28th April 2025
46AQI
29th April 2025
52AQI
30th April 2025
55AQI
1st May 2025
50AQI
2nd May 2025
40AQI
3rd May 2025
44AQI
4th May 2025
39AQI
5th May 2025
45AQI
6th May 2025
35AQI
7th May 2025
39AQI
8th May 2025
52AQI
9th May 2025
31AQI
10th May 2025
40AQI
11th May 2025
45AQI
12th May 2025
54AQI
13th May 2025
57AQI
14th May 2025
60AQI
15th May 2025
59AQI
16th May 2025
66AQI
17th May 2025
44AQI
18th May 2025
49AQI
19th May 2025
55AQI
20th May 2025
42AQI
21st May 2025
35AQI
22nd May 2025
36AQI
23rd May 2025
48AQI
24th May 2025
39AQI
25th May 2025
48AQI
26th May 2025
44AQI
27th May 2025
47AQI
28th May 2025
51AQI
29th May 2025
47AQI
30th May 2025
45AQI
31st May 2025
44AQI
1st June 2025
54AQI
2nd June 2025
53AQI
3rd June 2025
32AQI
4th June 2025
47AQI
5th June 2025
46AQI
6th June 2025
47AQI
7th June 2025
60AQI
8th June 2025
65AQI
9th June 2025
34AQI
10th June 2025
32AQI
11th June 2025
35AQI
12th June 2025
37AQI
13th June 2025
42AQI
14th June 2025
31AQI
15th June 2025
29AQI
16th June 2025
30AQI
17th June 2025
27AQI
18th June 2025
33AQI
19th June 2025
35AQI
20th June 2025
35AQI
21st June 2025
32AQI
22nd June 2025
22AQI
23rd June 2025
21AQI
24th June 2025
24AQI
25th June 2025
28AQI
26th June 2025
25AQI
27th June 2025
27AQI
28th June 2025
30AQI
29th June 2025
37AQI
30th June 2025
46AQI
1st July 2025
60AQI
2nd July 2025
88AQI
3rd July 2025
99AQI
4th July 2025
93AQI
5th July 2025
82AQI
6th July 2025
69AQI
7th July 2025
64AQI
8th July 2025
64AQI
9th July 2025
69AQI
10th July 2025
58AQI
11th July 2025
50AQI
12th July 2025
48AQI
13th July 2025
48AQI
14th July 2025
44AQI
15th July 2025
49AQI
16th July 2025
57AQI
17th July 2025
53AQI
18th July 2025
40AQI
19th July 2025
39AQI
20th July 2025
34AQI
21st July 2025
32AQI
22nd July 2025
43AQI
23rd July 2025
43AQI
24th July 2025
27AQI
25th July 2025
25AQI
26th July 2025
24AQI
27th July 2025
23AQI
28th July 2025
25AQI
29th July 2025
26AQI
30th July 2025
26AQI
31st July 2025
27AQI
1st August 2025
42AQI
2nd August 2025
48AQI
3rd August 2025
50AQI
4th August 2025
49AQI
5th August 2025
46AQI
6th August 2025
45AQI
7th August 2025
44AQI
8th August 2025
41AQI
9th August 2025
36AQI
10th August 2025
41AQI
11th August 2025
31AQI
12th August 2025
36AQI
13th August 2025
40AQI
14th August 2025
43AQI
15th August 2025
43AQI
16th August 2025
44AQI
17th August 2025
44AQI
18th August 2025
49AQI
19th August 2025
51AQI
20th August 2025
42AQI
21st August 2025
41AQI
22nd August 2025
47AQI
23rd August 2025
43AQI
24th August 2025
44AQI
25th August 2025
42AQI
26th August 2025
38AQI
27th August 2025
41AQI
28th August 2025
44AQI
29th August 2025
48AQI
30th August 2025
52AQI
31st August 2025
50AQI
1st September 2025
40AQI
2nd September 2025
43AQI
3rd September 2025
4th September 2025
5th September 2025
6th September 2025
7th September 2025
8th September 2025
9th September 2025
10th September 2025
11th September 2025
12th September 2025
13th September 2025
14th September 2025
15th September 2025
16th September 2025
17th September 2025
18th September 2025
19th September 2025
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

49AQI

42AQI

48AQI

47AQI

46AQI

37AQI

49AQI

44AQI

42AQI

No. of days

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

202545AQI

20
11
26
2
17
14
19
11
23
8
26
4
19
12
29
2
2
181
64

Highest AQI recorded in

July

49AQI

Lowest AQI recorded in

June

37AQI

202444AQI

16
1
5
3
19
12
22
8
31
17
14
19
11
27
4
18
12
29
2
187
83

Highest AQI recorded in

March

68AQI

Lowest AQI recorded in

July

25AQI

202346AQI

18
11
2
13
15
6
23
2
14
16
20
11
19
11
23
8
28
3
23
7
22
8
17
12
20
10
223
135
4

Highest AQI recorded in

March

66AQI

Lowest AQI recorded in

August

30AQI

202252AQI

19
11
14
7
16
15
17
13
14
17
22
8
13
7
4
1
23
5
21
10
14
16
15
16
188
126
4

Highest AQI recorded in

July

104AQI

Lowest AQI recorded in

September

37AQI

202143AQI

18
13
20
8
16
13
18
3
18
13
16
14
26
5
31
26
4
19
12
16
14
18
13
242
112

Highest AQI recorded in

May

49AQI

Lowest AQI recorded in

July

28AQI

202045AQI

8
5
9
12
9
9
19
11
29
2
15
14
2
16
3
20
11
18
12
18
13
161
92
2

Highest AQI recorded in

August

54AQI

Lowest AQI recorded in

July

28AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2022(Avg.)
52AQI
Least Polluted Year Recorded
2021(Avg.)
43AQI

Kyomachi Honcho's annual 2025 AQI (45) shows an average percentage change of -0.7% (improved AQI) compared to previous years: 2020 (45), 2021 (43), 2022 (52), 2023 (46), 2024 (44).