Country Background
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+

August Air Quality Analysis

Asahimachi, Yashima, Kumamoto, Japan

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
31st Aug 2022
72AQI
Lowest AQI recorded on
12th Aug 2021
12AQI

Same Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 46 of Good air quality, showing improvement over 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025

Asahimachi, Yashima, Kumamoto, Japan

AQI
Day
Night
.

5 AM3rd Aug 2025

7 PM

4 AM4th Aug 2025

Day time
Avg. Highest Time
12PM3rd Aug

60AQI

Avg. Lowest Time
6AM3rd Aug

42AQI

Night time
Avg. Highest Time
9PM3rd Aug

51AQI

Avg. Lowest Time
2AM4th Aug

41AQI

In the last 24 hours,

Asahimachi's AQI reached its highest point of 60 at 12 PM during the Day, while the lowest point, 41, was recorded at 2 AM during the Night between 3rd Aug and 4th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Asahimachi, Yashima, Kumamoto, Japan

JulAug
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 - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th
Day
Night
5th Jul 2025805 AMAQI
5th Jul 2025806 AMAQI
5th Jul 2025817 AMAQI
5th Jul 2025808 AMAQI
5th Jul 2025939 AMAQI
5th Jul 20258010 AMAQI
5th Jul 20256511 AMAQI
5th Jul 20256412 PMAQI
5th Jul 2025631 PMAQI
5th Jul 2025682 PMAQI
5th Jul 2025673 PMAQI
5th Jul 2025624 PMAQI
5th Jul 2025625 PMAQI
5th Jul 2025626 PMAQI
5th Jul 2025607 PMAQI
5th Jul 2025638 PMAQI
5th Jul 2025649 PMAQI
5th Jul 20256310 PMAQI
5th Jul 20256211 PMAQI
6th Jul 20256212 AMAQI
6th Jul 2025691 AMAQI
6th Jul 2025792 AMAQI
6th Jul 2025783 AMAQI
6th Jul 2025774 AMAQI

27°C24/31°C

6th Jul 2025765 AMAQI
6th Jul 2025746 AMAQI
6th Jul 2025747 AMAQI
6th Jul 2025758 AMAQI
6th Jul 2025589 AMAQI
6th Jul 20253810 AMAQI
6th Jul 20253611 AMAQI
6th Jul 20253212 PMAQI
6th Jul 2025381 PMAQI
6th Jul 2025462 PMAQI
6th Jul 2025343 PMAQI
6th Jul 2025304 PMAQI
6th Jul 2025325 PMAQI
6th Jul 2025316 PMAQI
6th Jul 2025407 PMAQI
6th Jul 2025478 PMAQI
6th Jul 2025609 PMAQI
6th Jul 20256010 PMAQI
6th Jul 20255811 PMAQI
7th Jul 20256012 AMAQI
7th Jul 2025661 AMAQI
7th Jul 2025722 AMAQI
7th Jul 2025723 AMAQI
7th Jul 2025704 AMAQI

27°C24/32°C

7th Jul 2025675 AMAQI
7th Jul 2025686 AMAQI
7th Jul 2025677 AMAQI
7th Jul 2025688 AMAQI
7th Jul 2025369 AMAQI
7th Jul 20252110 AMAQI
7th Jul 20252411 AMAQI
7th Jul 20253012 PMAQI
7th Jul 2025411 PMAQI
7th Jul 2025392 PMAQI
7th Jul 2025523 PMAQI
7th Jul 2025514 PMAQI
7th Jul 2025485 PMAQI
7th Jul 2025496 PMAQI
7th Jul 2025557 PMAQI
7th Jul 2025548 PMAQI
7th Jul 2025579 PMAQI
7th Jul 20255810 PMAQI
7th Jul 20255811 PMAQI
8th Jul 20255812 AMAQI
8th Jul 2025611 AMAQI
8th Jul 2025662 AMAQI
8th Jul 2025673 AMAQI
8th Jul 2025654 AMAQI

28°C24/32°C

8th Jul 2025625 AMAQI
8th Jul 2025626 AMAQI
8th Jul 2025617 AMAQI
8th Jul 2025628 AMAQI
8th Jul 2025539 AMAQI
8th Jul 20254410 AMAQI
8th Jul 20254611 AMAQI
8th Jul 20255212 PMAQI
8th Jul 2025551 PMAQI
8th Jul 2025592 PMAQI
8th Jul 2025613 PMAQI
8th Jul 2025654 PMAQI
8th Jul 2025645 PMAQI
8th Jul 2025636 PMAQI
8th Jul 2025637 PMAQI
8th Jul 2025598 PMAQI
8th Jul 2025629 PMAQI
8th Jul 20256010 PMAQI
8th Jul 20256111 PMAQI
9th Jul 20256012 AMAQI
9th Jul 2025601 AMAQI
9th Jul 2025632 AMAQI
9th Jul 2025633 AMAQI
9th Jul 2025624 AMAQI

28°C25/31°C

9th Jul 2025615 AMAQI
9th Jul 2025616 AMAQI
9th Jul 2025617 AMAQI
9th Jul 2025618 AMAQI
9th Jul 2025649 AMAQI
9th Jul 20256410 AMAQI
9th Jul 20257311 AMAQI
9th Jul 20257612 PMAQI
9th Jul 2025771 PMAQI
9th Jul 2025762 PMAQI
9th Jul 2025803 PMAQI
9th Jul 2025784 PMAQI
9th Jul 2025785 PMAQI
9th Jul 2025716 PMAQI
9th Jul 2025667 PMAQI
9th Jul 2025688 PMAQI
9th Jul 2025639 PMAQI
9th Jul 20256310 PMAQI
9th Jul 20256511 PMAQI
10th Jul 20256412 AMAQI
10th Jul 2025631 AMAQI
10th Jul 2025612 AMAQI
10th Jul 2025613 AMAQI
10th Jul 2025624 AMAQI

28°C24/34°C

10th Jul 2025635 AMAQI
10th Jul 2025646 AMAQI
10th Jul 2025647 AMAQI
10th Jul 2025638 AMAQI
10th Jul 2025379 AMAQI
10th Jul 20253010 AMAQI
10th Jul 20253611 AMAQI
10th Jul 20253712 PMAQI
10th Jul 2025491 PMAQI
10th Jul 2025462 PMAQI
10th Jul 2025363 PMAQI
10th Jul 2025284 PMAQI
10th Jul 2025315 PMAQI
10th Jul 2025326 PMAQI
10th Jul 2025297 PMAQI
10th Jul 2025408 PMAQI
10th Jul 2025539 PMAQI
10th Jul 20255410 PMAQI
10th Jul 20255311 PMAQI
11th Jul 20255112 AMAQI
11th Jul 2025561 AMAQI
11th Jul 2025612 AMAQI
11th Jul 2025623 AMAQI
11th Jul 2025614 AMAQI

28°C24/32°C

11th Jul 2025605 AMAQI
11th Jul 2025596 AMAQI
11th Jul 2025597 AMAQI
11th Jul 2025598 AMAQI
11th Jul 2025279 AMAQI
11th Jul 20251610 AMAQI
11th Jul 20251711 AMAQI
11th Jul 20251812 PMAQI
11th Jul 2025231 PMAQI
11th Jul 2025222 PMAQI
11th Jul 2025253 PMAQI
11th Jul 2025314 PMAQI
11th Jul 2025275 PMAQI
11th Jul 2025266 PMAQI
11th Jul 2025307 PMAQI
11th Jul 2025408 PMAQI
11th Jul 2025489 PMAQI
11th Jul 20254710 PMAQI
11th Jul 20254711 PMAQI
12th Jul 20254312 AMAQI
12th Jul 2025481 AMAQI
12th Jul 2025582 AMAQI
12th Jul 2025583 AMAQI
12th Jul 2025574 AMAQI

29°C26/33°C

12th Jul 2025545 AMAQI
12th Jul 2025546 AMAQI
12th Jul 2025547 AMAQI
12th Jul 2025548 AMAQI
12th Jul 2025279 AMAQI
12th Jul 20251810 AMAQI
12th Jul 20251911 AMAQI
12th Jul 20252312 PMAQI
12th Jul 2025321 PMAQI
12th Jul 2025262 PMAQI
12th Jul 2025263 PMAQI
12th Jul 2025334 PMAQI
12th Jul 2025405 PMAQI
12th Jul 2025306 PMAQI
12th Jul 2025247 PMAQI
12th Jul 2025328 PMAQI
12th Jul 2025399 PMAQI
12th Jul 20254110 PMAQI
12th Jul 20254611 PMAQI
13th Jul 20254812 AMAQI
13th Jul 2025481 AMAQI
13th Jul 2025552 AMAQI
13th Jul 2025553 AMAQI
13th Jul 2025544 AMAQI

29°C25/33°C

13th Jul 2025525 AMAQI
13th Jul 2025526 AMAQI
13th Jul 2025527 AMAQI
13th Jul 2025528 AMAQI
13th Jul 2025359 AMAQI
13th Jul 20251610 AMAQI
13th Jul 20251911 AMAQI
13th Jul 20252212 PMAQI
13th Jul 2025301 PMAQI
13th Jul 2025302 PMAQI
13th Jul 2025243 PMAQI
13th Jul 2025274 PMAQI
13th Jul 2025335 PMAQI
13th Jul 2025376 PMAQI
13th Jul 2025367 PMAQI
13th Jul 2025358 PMAQI
13th Jul 2025439 PMAQI
13th Jul 20254210 PMAQI
13th Jul 20254211 PMAQI
14th Jul 20254112 AMAQI
14th Jul 2025451 AMAQI
14th Jul 2025522 AMAQI
14th Jul 2025523 AMAQI
14th Jul 2025504 AMAQI

28°C25/33°C

14th Jul 2025485 AMAQI
14th Jul 2025486 AMAQI
14th Jul 2025477 AMAQI
14th Jul 2025478 AMAQI
14th Jul 2025299 AMAQI
14th Jul 20252210 AMAQI
14th Jul 20251711 AMAQI
14th Jul 20252112 PMAQI
14th Jul 2025241 PMAQI
14th Jul 2025212 PMAQI
14th Jul 2025213 PMAQI
14th Jul 2025204 PMAQI
14th Jul 2025225 PMAQI
14th Jul 2025236 PMAQI
14th Jul 2025237 PMAQI
14th Jul 2025288 PMAQI
14th Jul 2025369 PMAQI
14th Jul 20253810 PMAQI
14th Jul 20254211 PMAQI
15th Jul 20254212 AMAQI
15th Jul 2025441 AMAQI
15th Jul 2025512 AMAQI
15th Jul 2025503 AMAQI
15th Jul 2025464 AMAQI

26°C23/28°C

15th Jul 2025445 AMAQI
15th Jul 2025456 AMAQI
15th Jul 2025457 AMAQI
15th Jul 2025458 AMAQI
15th Jul 2025469 AMAQI
15th Jul 20254210 AMAQI
15th Jul 20253711 AMAQI
15th Jul 20253312 PMAQI
15th Jul 2025391 PMAQI
15th Jul 2025422 PMAQI
15th Jul 2025463 PMAQI
15th Jul 2025404 PMAQI
15th Jul 2025365 PMAQI
15th Jul 2025386 PMAQI
15th Jul 2025397 PMAQI
15th Jul 2025378 PMAQI
15th Jul 2025439 PMAQI
15th Jul 20254710 PMAQI
15th Jul 20254811 PMAQI
16th Jul 20254612 AMAQI
16th Jul 2025481 AMAQI
16th Jul 2025472 AMAQI
16th Jul 2025463 AMAQI
16th Jul 2025464 AMAQI

26°C23/30°C

16th Jul 2025465 AMAQI
16th Jul 2025456 AMAQI
16th Jul 2025447 AMAQI
16th Jul 2025458 AMAQI
16th Jul 2025349 AMAQI
16th Jul 20253010 AMAQI
16th Jul 20253211 AMAQI
16th Jul 20254612 PMAQI
16th Jul 2025561 PMAQI
16th Jul 2025662 PMAQI
16th Jul 2025753 PMAQI
16th Jul 2025824 PMAQI
16th Jul 2025845 PMAQI
16th Jul 2025906 PMAQI
16th Jul 2025907 PMAQI
16th Jul 2025838 PMAQI
16th Jul 2025609 PMAQI
16th Jul 20255810 PMAQI
16th Jul 20255611 PMAQI
17th Jul 20255612 AMAQI
17th Jul 2025521 AMAQI
17th Jul 2025482 AMAQI
17th Jul 2025473 AMAQI
17th Jul 2025484 AMAQI

26°C22/30°C

17th Jul 2025505 AMAQI
17th Jul 2025506 AMAQI
17th Jul 2025497 AMAQI
17th Jul 2025508 AMAQI
17th Jul 2025469 AMAQI
17th Jul 20255210 AMAQI
17th Jul 20255411 AMAQI
17th Jul 20255512 PMAQI
17th Jul 2025601 PMAQI
17th Jul 2025642 PMAQI
17th Jul 2025663 PMAQI
17th Jul 2025734 PMAQI
17th Jul 2025755 PMAQI
17th Jul 2025716 PMAQI
17th Jul 2025577 PMAQI
17th Jul 2025398 PMAQI
17th Jul 2025479 PMAQI
17th Jul 20254210 PMAQI
17th Jul 20253811 PMAQI
18th Jul 20253812 AMAQI
18th Jul 2025421 AMAQI
18th Jul 2025512 AMAQI
18th Jul 2025513 AMAQI
18th Jul 2025524 AMAQI

27°C24/32°C

18th Jul 2025535 AMAQI
18th Jul 2025526 AMAQI
18th Jul 2025537 AMAQI
18th Jul 2025528 AMAQI
18th Jul 2025319 AMAQI
18th Jul 20253010 AMAQI
18th Jul 20251311 AMAQI
18th Jul 20251412 PMAQI
18th Jul 2025211 PMAQI
18th Jul 2025222 PMAQI
18th Jul 2025223 PMAQI
18th Jul 2025214 PMAQI
18th Jul 2025245 PMAQI
18th Jul 2025226 PMAQI
18th Jul 2025207 PMAQI
18th Jul 2025278 PMAQI
18th Jul 2025389 PMAQI
18th Jul 20253810 PMAQI
18th Jul 20253611 PMAQI
19th Jul 20253312 AMAQI
19th Jul 2025381 AMAQI
19th Jul 2025492 AMAQI
19th Jul 2025493 AMAQI
19th Jul 2025474 AMAQI

24°C24/25°C

19th Jul 2025435 AMAQI
19th Jul 2025436 AMAQI
19th Jul 2025447 AMAQI
19th Jul 2025438 AMAQI
19th Jul 2025319 AMAQI
19th Jul 20252610 AMAQI
19th Jul 20252011 AMAQI
19th Jul 20253212 PMAQI
19th Jul 2025211 PMAQI
19th Jul 2025212 PMAQI
19th Jul 2025253 PMAQI
19th Jul 2025324 PMAQI
19th Jul 2025265 PMAQI
19th Jul 2025226 PMAQI
19th Jul 2025167 PMAQI
19th Jul 2025258 PMAQI
19th Jul 2025379 PMAQI
19th Jul 20253610 PMAQI
19th Jul 20253311 PMAQI
20th Jul 20253412 AMAQI
20th Jul 2025401 AMAQI
20th Jul 2025442 AMAQI
20th Jul 2025443 AMAQI
20th Jul 2025434 AMAQI

27°C22/32°C

20th Jul 2025415 AMAQI
20th Jul 2025416 AMAQI
20th Jul 2025407 AMAQI
20th Jul 2025418 AMAQI
20th Jul 2025369 AMAQI
20th Jul 20253010 AMAQI
20th Jul 20252611 AMAQI
20th Jul 20252512 PMAQI
20th Jul 2025321 PMAQI
20th Jul 2025192 PMAQI
20th Jul 2025203 PMAQI
20th Jul 2025224 PMAQI
20th Jul 2025205 PMAQI
20th Jul 2025256 PMAQI
20th Jul 2025437 PMAQI
20th Jul 2025448 PMAQI
20th Jul 2025409 PMAQI
20th Jul 20253410 PMAQI
20th Jul 20253311 PMAQI
21st Jul 20253112 AMAQI
21st Jul 2025331 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025413 AMAQI
21st Jul 2025404 AMAQI

28°C23/32°C

21st Jul 2025385 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025387 AMAQI
21st Jul 2025378 AMAQI
21st Jul 2025199 AMAQI
21st Jul 20251510 AMAQI
21st Jul 20251511 AMAQI
21st Jul 20252012 PMAQI
21st Jul 2025181 PMAQI
21st Jul 2025162 PMAQI
21st Jul 2025183 PMAQI
21st Jul 2025184 PMAQI
21st Jul 2025195 PMAQI
21st Jul 2025186 PMAQI
21st Jul 2025197 PMAQI
21st Jul 2025268 PMAQI
21st Jul 2025329 PMAQI
21st Jul 20253210 PMAQI
21st Jul 20253411 PMAQI
22nd Jul 20253712 AMAQI
22nd Jul 2025381 AMAQI
22nd Jul 2025372 AMAQI
22nd Jul 2025383 AMAQI
22nd Jul 2025364 AMAQI

28°C24/32°C

22nd Jul 2025335 AMAQI
22nd Jul 2025336 AMAQI
22nd Jul 2025347 AMAQI
22nd Jul 2025338 AMAQI
22nd Jul 2025259 AMAQI
22nd Jul 20253210 AMAQI
22nd Jul 20252311 AMAQI
22nd Jul 20252712 PMAQI
22nd Jul 2025321 PMAQI
22nd Jul 2025392 PMAQI
22nd Jul 2025553 PMAQI
22nd Jul 2025574 PMAQI
22nd Jul 2025615 PMAQI
22nd Jul 2025566 PMAQI
22nd Jul 2025547 PMAQI
22nd Jul 2025518 PMAQI
22nd Jul 2025549 PMAQI
22nd Jul 20254710 PMAQI
22nd Jul 20254111 PMAQI
23rd Jul 20253012 AMAQI
23rd Jul 2025361 AMAQI
23rd Jul 2025362 AMAQI
23rd Jul 2025363 AMAQI
23rd Jul 2025364 AMAQI

28°C24/33°C

23rd Jul 2025355 AMAQI
23rd Jul 2025366 AMAQI
23rd Jul 2025367 AMAQI
23rd Jul 2025368 AMAQI
23rd Jul 2025249 AMAQI
23rd Jul 20252310 AMAQI
23rd Jul 20253811 AMAQI
23rd Jul 20253712 PMAQI
23rd Jul 2025401 PMAQI
23rd Jul 2025342 PMAQI
23rd Jul 2025573 PMAQI
23rd Jul 2025524 PMAQI
23rd Jul 2025565 PMAQI
23rd Jul 2025576 PMAQI
23rd Jul 2025577 PMAQI
23rd Jul 2025548 PMAQI
23rd Jul 2025529 PMAQI
23rd Jul 20255010 PMAQI
23rd Jul 20254511 PMAQI
24th Jul 20253412 AMAQI
24th Jul 2025301 AMAQI
24th Jul 2025342 AMAQI
24th Jul 2025343 AMAQI
24th Jul 2025354 AMAQI

28°C24/34°C

24th Jul 2025365 AMAQI
24th Jul 2025366 AMAQI
24th Jul 2025367 AMAQI
24th Jul 2025368 AMAQI
24th Jul 2025329 AMAQI
24th Jul 20251810 AMAQI
24th Jul 20251611 AMAQI
24th Jul 20251812 PMAQI
24th Jul 2025201 PMAQI
24th Jul 2025222 PMAQI
24th Jul 2025233 PMAQI
24th Jul 2025184 PMAQI
24th Jul 2025175 PMAQI
24th Jul 2025186 PMAQI
24th Jul 2025247 PMAQI
24th Jul 2025228 PMAQI
24th Jul 2025319 PMAQI
24th Jul 20252810 PMAQI
24th Jul 20252411 PMAQI
25th Jul 20252412 AMAQI
25th Jul 2025261 AMAQI
25th Jul 2025292 AMAQI
25th Jul 2025343 AMAQI
25th Jul 2025324 AMAQI

29°C24/34°C

25th Jul 2025325 AMAQI
25th Jul 2025316 AMAQI
25th Jul 2025327 AMAQI
25th Jul 2025328 AMAQI
25th Jul 2025189 AMAQI
25th Jul 20251610 AMAQI
25th Jul 20251911 AMAQI
25th Jul 20251612 PMAQI
25th Jul 2025181 PMAQI
25th Jul 2025262 PMAQI
25th Jul 2025503 PMAQI
25th Jul 2025414 PMAQI
25th Jul 2025205 PMAQI
25th Jul 2025186 PMAQI
25th Jul 2025227 PMAQI
25th Jul 2025208 PMAQI
25th Jul 2025249 PMAQI
25th Jul 20252510 PMAQI
25th Jul 20252711 PMAQI
26th Jul 20252212 AMAQI
26th Jul 2025261 AMAQI
26th Jul 2025312 AMAQI
26th Jul 2025313 AMAQI
26th Jul 2025294 AMAQI

28°C25/34°C

26th Jul 2025285 AMAQI
26th Jul 2025286 AMAQI
26th Jul 2025287 AMAQI
26th Jul 2025288 AMAQI
26th Jul 2025169 AMAQI
26th Jul 20251410 AMAQI
26th Jul 20251611 AMAQI
26th Jul 20251612 PMAQI
26th Jul 2025151 PMAQI
26th Jul 2025162 PMAQI
26th Jul 2025183 PMAQI
26th Jul 2025204 PMAQI
26th Jul 2025165 PMAQI
26th Jul 2025176 PMAQI
26th Jul 2025167 PMAQI
26th Jul 2025188 PMAQI
26th Jul 2025209 PMAQI
26th Jul 20252410 PMAQI
26th Jul 20252411 PMAQI
27th Jul 20252212 AMAQI
27th Jul 2025241 AMAQI
27th Jul 2025282 AMAQI
27th Jul 2025283 AMAQI
27th Jul 2025274 AMAQI

29°C25/33°C

27th Jul 2025275 AMAQI
27th Jul 2025266 AMAQI
27th Jul 2025267 AMAQI
27th Jul 2025268 AMAQI
27th Jul 2025209 AMAQI
27th Jul 20251410 AMAQI
27th Jul 20251411 AMAQI
27th Jul 20251312 PMAQI
27th Jul 2025141 PMAQI
27th Jul 2025152 PMAQI
27th Jul 2025163 PMAQI
27th Jul 2025144 PMAQI
27th Jul 2025195 PMAQI
27th Jul 2025276 PMAQI
27th Jul 2025267 PMAQI
27th Jul 2025278 PMAQI
27th Jul 2025269 PMAQI
27th Jul 20252410 PMAQI
27th Jul 20252411 PMAQI
28th Jul 20252412 AMAQI
28th Jul 2025221 AMAQI
28th Jul 2025252 AMAQI
28th Jul 2025273 AMAQI
28th Jul 2025254 AMAQI

29°C26/33°C

28th Jul 2025245 AMAQI
28th Jul 2025246 AMAQI
28th Jul 2025247 AMAQI
28th Jul 2025248 AMAQI
28th Jul 2025179 AMAQI
28th Jul 20251910 AMAQI
28th Jul 20252211 AMAQI
28th Jul 20251612 PMAQI
28th Jul 2025241 PMAQI
28th Jul 2025342 PMAQI
28th Jul 2025333 PMAQI
28th Jul 2025224 PMAQI
28th Jul 2025265 PMAQI
28th Jul 2025276 PMAQI
28th Jul 2025197 PMAQI
28th Jul 2025188 PMAQI
28th Jul 2025209 PMAQI
28th Jul 20252210 PMAQI
28th Jul 20252611 PMAQI
29th Jul 20252212 AMAQI
29th Jul 2025181 AMAQI
29th Jul 2025252 AMAQI
29th Jul 2025243 AMAQI
29th Jul 2025244 AMAQI

29°C24/35°C

29th Jul 2025245 AMAQI
29th Jul 2025246 AMAQI
29th Jul 2025247 AMAQI
29th Jul 2025248 AMAQI
29th Jul 2025179 AMAQI
29th Jul 20252010 AMAQI
29th Jul 20252811 AMAQI
29th Jul 20251812 PMAQI
29th Jul 2025171 PMAQI
29th Jul 2025182 PMAQI
29th Jul 2025243 PMAQI
29th Jul 2025224 PMAQI
29th Jul 2025235 PMAQI
29th Jul 2025256 PMAQI
29th Jul 2025307 PMAQI
29th Jul 2025308 PMAQI
29th Jul 2025329 PMAQI
29th Jul 20252710 PMAQI
29th Jul 20252611 PMAQI
30th Jul 20252412 AMAQI
30th Jul 2025271 AMAQI
30th Jul 2025232 AMAQI
30th Jul 2025233 AMAQI
30th Jul 2025234 AMAQI

29°C24/34°C

30th Jul 2025225 AMAQI
30th Jul 2025236 AMAQI
30th Jul 2025227 AMAQI
30th Jul 2025228 AMAQI
30th Jul 2025229 AMAQI
30th Jul 20251410 AMAQI
30th Jul 20252311 AMAQI
30th Jul 20252912 PMAQI
30th Jul 2025301 PMAQI
30th Jul 2025232 PMAQI
30th Jul 2025313 PMAQI
30th Jul 2025274 PMAQI
30th Jul 2025235 PMAQI
30th Jul 2025216 PMAQI
30th Jul 2025267 PMAQI
30th Jul 2025278 PMAQI
30th Jul 2025329 PMAQI
30th Jul 20252410 PMAQI
30th Jul 20252011 PMAQI
31st Jul 20252512 AMAQI
31st Jul 2025221 AMAQI
31st Jul 2025222 AMAQI
31st Jul 2025233 AMAQI
31st Jul 2025234 AMAQI

29°C24/35°C

31st Jul 2025235 AMAQI
31st Jul 2025236 AMAQI
31st Jul 2025237 AMAQI
31st Jul 2025238 AMAQI
31st Jul 2025239 AMAQI
31st Jul 20252310 AMAQI
31st Jul 20252611 AMAQI
31st Jul 20253012 PMAQI
31st Jul 2025301 PMAQI
31st Jul 2025252 PMAQI
31st Jul 2025263 PMAQI
31st Jul 2025334 PMAQI
31st Jul 2025255 PMAQI
31st Jul 2025286 PMAQI
31st Jul 2025307 PMAQI
31st Jul 2025348 PMAQI
31st Jul 2025479 PMAQI
31st Jul 20254310 PMAQI
31st Jul 20255111 PMAQI
1st Aug 20253212 AMAQI
1st Aug 2025341 AMAQI
1st Aug 2025342 AMAQI
1st Aug 2025303 AMAQI
1st Aug 2025294 AMAQI

28°C23/34°C

1st Aug 2025315 AMAQI
1st Aug 2025336 AMAQI
1st Aug 2025347 AMAQI
1st Aug 2025338 AMAQI
1st Aug 2025569 AMAQI
1st Aug 20256310 AMAQI
1st Aug 20256611 AMAQI
1st Aug 20256212 PMAQI
1st Aug 2025581 PMAQI
1st Aug 2025622 PMAQI
1st Aug 2025623 PMAQI
1st Aug 2025574 PMAQI
1st Aug 2025565 PMAQI
1st Aug 2025576 PMAQI
1st Aug 2025627 PMAQI
1st Aug 2025538 PMAQI
1st Aug 2025459 PMAQI
1st Aug 20254010 PMAQI
1st Aug 20254211 PMAQI
2nd Aug 20253712 AMAQI
2nd Aug 2025341 AMAQI
2nd Aug 2025342 AMAQI
2nd Aug 2025333 AMAQI
2nd Aug 2025364 AMAQI

29°C25/34°C

2nd Aug 2025385 AMAQI
2nd Aug 2025386 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025398 AMAQI
2nd Aug 2025569 AMAQI
2nd Aug 20255810 AMAQI
2nd Aug 20255911 AMAQI
2nd Aug 20256212 PMAQI
2nd Aug 2025611 PMAQI
2nd Aug 2025652 PMAQI
2nd Aug 2025643 PMAQI
2nd Aug 2025614 PMAQI
2nd Aug 2025585 PMAQI
2nd Aug 2025566 PMAQI
2nd Aug 2025587 PMAQI
2nd Aug 2025548 PMAQI
2nd Aug 2025529 PMAQI
2nd Aug 20254710 PMAQI
2nd Aug 20255011 PMAQI
3rd Aug 20254812 AMAQI
3rd Aug 2025401 AMAQI
3rd Aug 2025382 AMAQI
3rd Aug 2025363 AMAQI
3rd Aug 2025394 AMAQI

29°C25/35°C

3rd Aug 2025435 AMAQI
3rd Aug 2025426 AMAQI
3rd Aug 2025447 AMAQI
3rd Aug 2025448 AMAQI
3rd Aug 2025529 AMAQI
3rd Aug 20255210 AMAQI
3rd Aug 20255411 AMAQI
3rd Aug 20256012 PMAQI
3rd Aug 2025561 PMAQI
3rd Aug 2025572 PMAQI
3rd Aug 2025573 PMAQI
3rd Aug 2025574 PMAQI
3rd Aug 2025535 PMAQI
3rd Aug 2025506 PMAQI
3rd Aug 2025577 PMAQI
3rd Aug 2025488 PMAQI
3rd Aug 2025519 PMAQI
3rd Aug 20254610 PMAQI
3rd Aug 20254411 PMAQI
4th Aug 20254512 AMAQI
4th Aug 2025441 AMAQI
4th Aug 2025412 AMAQI
4th Aug 2025423 AMAQI
4th Aug 2025464 AMAQI

28°C25/32°C

4th Aug 2025465 AMAQI
5 AM
4th Aug 2025486 AMAQI
4th Aug 2025477 AMAQI
4th Aug 2025488 AMAQI
4th Aug 2025459 AMAQI
4th Aug 20254010 AMAQI
4th Aug 20254911 AMAQI
4th Aug 20253812 PMAQI
12 PM
4th Aug 2025411 PMAQI
4th Aug 2025342 PMAQI
4th Aug 2025383 PMAQI
4th Aug 2025404 PMAQI
4th Aug 2025515 PMAQI
4th Aug 2025506 PMAQI
4th Aug 2025477 PMAQI
7 PM
4th Aug 2025488 PMAQI
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 8 AM

45AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
10 AM - 11 AM

32AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 45), while the lowest AQI was between 10 AM to 11 AM (Avg. 32).
Night time
Avg. Highest Time
2 AM - 4 AM

45AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
8 PM

40AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 4 AM (Avg. 45), while the lowest AQI was between 8 PM to 8 PM (Avg. 40).

2025 Days Vs Air Quality

Asahimachi, Yashima, Kumamoto, Japan

2025

77%

166

22%

48

0.4%

1

Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)

Good
166 Days
Moderate
48 Days
Poor
1 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 77%

Health Risk Level:

Low

In 2025, 77% of 216 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.

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
46AQI

46AQI

40AQI

47AQI

46AQI

44AQI

38AQI

46AQI

47AQI

No. of days

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

202544AQI

22
9
25
3
21
10
23
7
25
6
27
3
20
10
1
3
166
48
1

Highest AQI recorded in

August

47AQI

Lowest AQI recorded in

June

38AQI

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.)
44AQI

Asahimachi's annual 2025 AQI (44) shows an average percentage change of -6.3% (improved AQI) compared to previous years: 2020 (50), 2021 (45), 2022 (49), 2023 (46), 2024 (44).