Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Yashima, Kumamoto, Japan Historical Air Quality Analysis

Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!

Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

August Air Quality Analysis

Yashima, Kumamoto, Japan

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
6th Aug 2024
65AQI
Lowest AQI recorded on
2nd Aug 2022
9AQI

Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 43 of Good air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

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

Yashima, Kumamoto, Japan

AQI
Day
Night
.

5 AM2nd Aug 2025

7 PM

4 AM3rd Aug 2025

Day time
Avg. Highest Time
1PM2nd Aug

63AQI

Avg. Lowest Time
7AM2nd Aug

37AQI

Night time
Avg. Highest Time
8PM2nd Aug

53AQI

Avg. Lowest Time
3AM3rd Aug

36AQI

In the last 24 hours,

Yashima's AQI reached its highest point of 63 at 1 PM during the Day, while the lowest point, 36, was recorded at 3 AM during the Night between 2nd Aug and 3rd Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Yashima, Kumamoto, Japan

JulAug
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 Jul 2025765 AMAQI
4th Jul 2025766 AMAQI
4th Jul 2025767 AMAQI
4th Jul 2025768 AMAQI
4th Jul 2025889 AMAQI
4th Jul 20259210 AMAQI
4th Jul 20258911 AMAQI
4th Jul 20259012 PMAQI
4th Jul 2025891 PMAQI
4th Jul 2025932 PMAQI
4th Jul 20251043 PMAQI
4th Jul 20251064 PMAQI
4th Jul 20251075 PMAQI
4th Jul 20251186 PMAQI
4th Jul 20251407 PMAQI
4th Jul 20251148 PMAQI
4th Jul 2025889 PMAQI
4th Jul 20258810 PMAQI
4th Jul 20258411 PMAQI
5th Jul 20258512 AMAQI
5th Jul 2025801 AMAQI
5th Jul 2025762 AMAQI
5th Jul 2025763 AMAQI
5th Jul 2025784 AMAQI

28°C25/32°C

5th Jul 2025805 AMAQI
5th Jul 2025806 AMAQI
5th Jul 2025807 AMAQI
5th Jul 2025808 AMAQI
5th Jul 2025959 AMAQI
5th Jul 20258410 AMAQI
5th Jul 20257011 AMAQI
5th Jul 20256712 PMAQI
5th Jul 2025671 PMAQI
5th Jul 2025682 PMAQI
5th Jul 2025663 PMAQI
5th Jul 2025624 PMAQI
5th Jul 2025615 PMAQI
5th Jul 2025616 PMAQI
5th Jul 2025637 PMAQI
5th Jul 2025668 PMAQI
5th Jul 2025679 PMAQI
5th Jul 20256410 PMAQI
5th Jul 20256211 PMAQI
6th Jul 20256212 AMAQI
6th Jul 2025671 AMAQI
6th Jul 2025782 AMAQI
6th Jul 2025783 AMAQI
6th Jul 2025774 AMAQI

28°C25/32°C

6th Jul 2025765 AMAQI
6th Jul 2025756 AMAQI
6th Jul 2025757 AMAQI
6th Jul 2025758 AMAQI
6th Jul 2025589 AMAQI
6th Jul 20253710 AMAQI
6th Jul 20253411 AMAQI
6th Jul 20253312 PMAQI
6th Jul 2025361 PMAQI
6th Jul 2025402 PMAQI
6th Jul 2025343 PMAQI
6th Jul 2025354 PMAQI
6th Jul 2025355 PMAQI
6th Jul 2025376 PMAQI
6th Jul 2025417 PMAQI
6th Jul 2025488 PMAQI
6th Jul 2025619 PMAQI
6th Jul 20256010 PMAQI
6th Jul 20255911 PMAQI
7th Jul 20256012 AMAQI
7th Jul 2025651 AMAQI
7th Jul 2025722 AMAQI
7th Jul 2025723 AMAQI
7th Jul 2025704 AMAQI

28°C25/33°C

7th Jul 2025675 AMAQI
7th Jul 2025676 AMAQI
7th Jul 2025677 AMAQI
7th Jul 2025688 AMAQI
7th Jul 2025399 AMAQI
7th Jul 20252810 AMAQI
7th Jul 20252611 AMAQI
7th Jul 20252812 PMAQI
7th Jul 2025431 PMAQI
7th Jul 2025422 PMAQI
7th Jul 2025503 PMAQI
7th Jul 2025504 PMAQI
7th Jul 2025485 PMAQI
7th Jul 2025486 PMAQI
7th Jul 2025527 PMAQI
7th Jul 2025528 PMAQI
7th Jul 2025579 PMAQI
7th Jul 20255710 PMAQI
7th Jul 20255711 PMAQI
8th Jul 20255712 AMAQI
8th Jul 2025611 AMAQI
8th Jul 2025662 AMAQI
8th Jul 2025673 AMAQI
8th Jul 2025654 AMAQI

28°C24/34°C

8th Jul 2025625 AMAQI
8th Jul 2025626 AMAQI
8th Jul 2025617 AMAQI
8th Jul 2025628 AMAQI
8th Jul 2025519 AMAQI
8th Jul 20254710 AMAQI
8th Jul 20254811 AMAQI
8th Jul 20255212 PMAQI
8th Jul 2025561 PMAQI
8th Jul 2025592 PMAQI
8th Jul 2025623 PMAQI
8th Jul 2025634 PMAQI
8th Jul 2025665 PMAQI
8th Jul 2025676 PMAQI
8th Jul 2025677 PMAQI
8th Jul 2025628 PMAQI
8th Jul 2025629 PMAQI
8th Jul 20256010 PMAQI
8th Jul 20256111 PMAQI
9th Jul 20256012 AMAQI
9th Jul 2025611 AMAQI
9th Jul 2025632 AMAQI
9th Jul 2025633 AMAQI
9th Jul 2025624 AMAQI

30°C25/35°C

9th Jul 2025615 AMAQI
9th Jul 2025616 AMAQI
9th Jul 2025617 AMAQI
9th Jul 2025618 AMAQI
9th Jul 2025629 AMAQI
9th Jul 20256410 AMAQI
9th Jul 20257311 AMAQI
9th Jul 20257512 PMAQI
9th Jul 2025801 PMAQI
9th Jul 2025802 PMAQI
9th Jul 2025823 PMAQI
9th Jul 2025804 PMAQI
9th Jul 2025805 PMAQI
9th Jul 2025746 PMAQI
9th Jul 2025677 PMAQI
9th Jul 2025698 PMAQI
9th Jul 2025659 PMAQI
9th Jul 20256510 PMAQI
9th Jul 20256511 PMAQI
10th Jul 20256412 AMAQI
10th Jul 2025631 AMAQI
10th Jul 2025622 AMAQI
10th Jul 2025613 AMAQI
10th Jul 2025634 AMAQI

29°C25/35°C

10th Jul 2025645 AMAQI
10th Jul 2025646 AMAQI
10th Jul 2025647 AMAQI
10th Jul 2025648 AMAQI
10th Jul 2025379 AMAQI
10th Jul 20253110 AMAQI
10th Jul 20253511 AMAQI
10th Jul 20254112 PMAQI
10th Jul 2025471 PMAQI
10th Jul 2025452 PMAQI
10th Jul 2025393 PMAQI
10th Jul 2025304 PMAQI
10th Jul 2025315 PMAQI
10th Jul 2025316 PMAQI
10th Jul 2025347 PMAQI
10th Jul 2025408 PMAQI
10th Jul 2025529 PMAQI
10th Jul 20255210 PMAQI
10th Jul 20255211 PMAQI
11th Jul 20255012 AMAQI
11th Jul 2025551 AMAQI
11th Jul 2025602 AMAQI
11th Jul 2025613 AMAQI
11th Jul 2025614 AMAQI

29°C25/35°C

11th Jul 2025605 AMAQI
11th Jul 2025596 AMAQI
11th Jul 2025597 AMAQI
11th Jul 2025598 AMAQI
11th Jul 2025269 AMAQI
11th Jul 20251610 AMAQI
11th Jul 20251611 AMAQI
11th Jul 20251712 PMAQI
11th Jul 2025241 PMAQI
11th Jul 2025222 PMAQI
11th Jul 2025243 PMAQI
11th Jul 2025284 PMAQI
11th Jul 2025245 PMAQI
11th Jul 2025246 PMAQI
11th Jul 2025257 PMAQI
11th Jul 2025338 PMAQI
11th Jul 2025479 PMAQI
11th Jul 20254410 PMAQI
11th Jul 20254411 PMAQI
12th Jul 20254412 AMAQI
12th Jul 2025481 AMAQI
12th Jul 2025582 AMAQI
12th Jul 2025583 AMAQI
12th Jul 2025574 AMAQI

29°C26/34°C

12th Jul 2025545 AMAQI
12th Jul 2025546 AMAQI
12th Jul 2025547 AMAQI
12th Jul 2025548 AMAQI
12th Jul 2025269 AMAQI
12th Jul 20251710 AMAQI
12th Jul 20251811 AMAQI
12th Jul 20252212 PMAQI
12th Jul 2025281 PMAQI
12th Jul 2025242 PMAQI
12th Jul 2025243 PMAQI
12th Jul 2025274 PMAQI
12th Jul 2025315 PMAQI
12th Jul 2025296 PMAQI
12th Jul 2025247 PMAQI
12th Jul 2025318 PMAQI
12th Jul 2025409 PMAQI
12th Jul 20254110 PMAQI
12th Jul 20254211 PMAQI
13th Jul 20254112 AMAQI
13th Jul 2025451 AMAQI
13th Jul 2025552 AMAQI
13th Jul 2025553 AMAQI
13th Jul 2025534 AMAQI

29°C25/34°C

13th Jul 2025525 AMAQI
13th Jul 2025526 AMAQI
13th Jul 2025517 AMAQI
13th Jul 2025528 AMAQI
13th Jul 2025359 AMAQI
13th Jul 20251710 AMAQI
13th Jul 20251911 AMAQI
13th Jul 20252112 PMAQI
13th Jul 2025301 PMAQI
13th Jul 2025282 PMAQI
13th Jul 2025283 PMAQI
13th Jul 2025264 PMAQI
13th Jul 2025295 PMAQI
13th Jul 2025306 PMAQI
13th Jul 2025277 PMAQI
13th Jul 2025328 PMAQI
13th Jul 2025409 PMAQI
13th Jul 20254110 PMAQI
13th Jul 20254111 PMAQI
14th Jul 20254212 AMAQI
14th Jul 2025461 AMAQI
14th Jul 2025522 AMAQI
14th Jul 2025523 AMAQI
14th Jul 2025504 AMAQI

28°C25/34°C

14th Jul 2025475 AMAQI
14th Jul 2025486 AMAQI
14th Jul 2025477 AMAQI
14th Jul 2025478 AMAQI
14th Jul 2025289 AMAQI
14th Jul 20252210 AMAQI
14th Jul 20252111 AMAQI
14th Jul 20251912 PMAQI
14th Jul 2025221 PMAQI
14th Jul 2025212 PMAQI
14th Jul 2025223 PMAQI
14th Jul 2025204 PMAQI
14th Jul 2025205 PMAQI
14th Jul 2025216 PMAQI
14th Jul 2025247 PMAQI
14th Jul 2025308 PMAQI
14th Jul 2025389 PMAQI
14th Jul 20253910 PMAQI
14th Jul 20254311 PMAQI
15th Jul 20254412 AMAQI
15th Jul 2025451 AMAQI
15th Jul 2025512 AMAQI
15th Jul 2025503 AMAQI
15th Jul 2025474 AMAQI

25°C23/28°C

15th Jul 2025455 AMAQI
15th Jul 2025466 AMAQI
15th Jul 2025457 AMAQI
15th Jul 2025458 AMAQI
15th Jul 2025469 AMAQI
15th Jul 20254410 AMAQI
15th Jul 20253911 AMAQI
15th Jul 20253912 PMAQI
15th Jul 2025381 PMAQI
15th Jul 2025392 PMAQI
15th Jul 2025423 PMAQI
15th Jul 2025394 PMAQI
15th Jul 2025395 PMAQI
15th Jul 2025406 PMAQI
15th Jul 2025407 PMAQI
15th Jul 2025408 PMAQI
15th Jul 2025469 PMAQI
15th Jul 20254810 PMAQI
15th Jul 20254811 PMAQI
16th Jul 20254712 AMAQI
16th Jul 2025481 AMAQI
16th Jul 2025472 AMAQI
16th Jul 2025473 AMAQI
16th Jul 2025464 AMAQI

25°C22/30°C

16th Jul 2025475 AMAQI
16th Jul 2025466 AMAQI
16th Jul 2025457 AMAQI
16th Jul 2025468 AMAQI
16th Jul 2025369 AMAQI
16th Jul 20253410 AMAQI
16th Jul 20254111 AMAQI
16th Jul 20255012 PMAQI
16th Jul 2025581 PMAQI
16th Jul 2025672 PMAQI
16th Jul 2025763 PMAQI
16th Jul 2025854 PMAQI
16th Jul 2025845 PMAQI
16th Jul 2025856 PMAQI
16th Jul 2025877 PMAQI
16th Jul 2025838 PMAQI
16th Jul 2025619 PMAQI
16th Jul 20255710 PMAQI
16th Jul 20255311 PMAQI
17th Jul 20255312 AMAQI
17th Jul 2025511 AMAQI
17th Jul 2025482 AMAQI
17th Jul 2025473 AMAQI
17th Jul 2025494 AMAQI

26°C22/31°C

17th Jul 2025515 AMAQI
17th Jul 2025506 AMAQI
17th Jul 2025507 AMAQI
17th Jul 2025508 AMAQI
17th Jul 2025469 AMAQI
17th Jul 20254910 AMAQI
17th Jul 20255111 AMAQI
17th Jul 20255212 PMAQI
17th Jul 2025581 PMAQI
17th Jul 2025642 PMAQI
17th Jul 2025673 PMAQI
17th Jul 2025714 PMAQI
17th Jul 2025755 PMAQI
17th Jul 2025716 PMAQI
17th Jul 2025627 PMAQI
17th Jul 2025498 PMAQI
17th Jul 2025489 PMAQI
17th Jul 20254410 PMAQI
17th Jul 20254211 PMAQI
18th Jul 20254212 AMAQI
18th Jul 2025441 AMAQI
18th Jul 2025512 AMAQI
18th Jul 2025513 AMAQI
18th Jul 2025524 AMAQI

28°C24/33°C

18th Jul 2025525 AMAQI
18th Jul 2025526 AMAQI
18th Jul 2025527 AMAQI
18th Jul 2025528 AMAQI
18th Jul 2025279 AMAQI
18th Jul 20252210 AMAQI
18th Jul 20251711 AMAQI
18th Jul 20251512 PMAQI
18th Jul 2025211 PMAQI
18th Jul 2025202 PMAQI
18th Jul 2025183 PMAQI
18th Jul 2025174 PMAQI
18th Jul 2025185 PMAQI
18th Jul 2025176 PMAQI
18th Jul 2025187 PMAQI
18th Jul 2025268 PMAQI
18th Jul 2025359 PMAQI
18th Jul 20253610 PMAQI
18th Jul 20253611 PMAQI
19th Jul 20253412 AMAQI
19th Jul 2025391 AMAQI
19th Jul 2025502 AMAQI
19th Jul 2025503 AMAQI
19th Jul 2025474 AMAQI

25°C24/26°C

19th Jul 2025435 AMAQI
19th Jul 2025436 AMAQI
19th Jul 2025447 AMAQI
19th Jul 2025438 AMAQI
19th Jul 2025279 AMAQI
19th Jul 20252110 AMAQI
19th Jul 20251911 AMAQI
19th Jul 20252212 PMAQI
19th Jul 2025201 PMAQI
19th Jul 2025212 PMAQI
19th Jul 2025233 PMAQI
19th Jul 2025274 PMAQI
19th Jul 2025275 PMAQI
19th Jul 2025236 PMAQI
19th Jul 2025217 PMAQI
19th Jul 2025278 PMAQI
19th Jul 2025359 PMAQI
19th Jul 20253510 PMAQI
19th Jul 20253211 PMAQI
20th Jul 20253412 AMAQI
20th Jul 2025371 AMAQI
20th Jul 2025442 AMAQI
20th Jul 2025443 AMAQI
20th Jul 2025434 AMAQI

27°C22/32°C

20th Jul 2025415 AMAQI
20th Jul 2025406 AMAQI
20th Jul 2025407 AMAQI
20th Jul 2025408 AMAQI
20th Jul 2025319 AMAQI
20th Jul 20252110 AMAQI
20th Jul 20252011 AMAQI
20th Jul 20252212 PMAQI
20th Jul 2025271 PMAQI
20th Jul 2025202 PMAQI
20th Jul 2025193 PMAQI
20th Jul 2025214 PMAQI
20th Jul 2025225 PMAQI
20th Jul 2025246 PMAQI
20th Jul 2025307 PMAQI
20th Jul 2025338 PMAQI
20th Jul 2025339 PMAQI
20th Jul 20253110 PMAQI
20th Jul 20253011 PMAQI
21st Jul 20253012 AMAQI
21st Jul 2025321 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025413 AMAQI
21st Jul 2025394 AMAQI

28°C23/33°C

21st Jul 2025375 AMAQI
21st Jul 2025376 AMAQI
21st Jul 2025377 AMAQI
21st Jul 2025378 AMAQI
21st Jul 2025199 AMAQI
21st Jul 20251510 AMAQI
21st Jul 20251611 AMAQI
21st Jul 20251812 PMAQI
21st Jul 2025181 PMAQI
21st Jul 2025162 PMAQI
21st Jul 2025193 PMAQI
21st Jul 2025184 PMAQI
21st Jul 2025205 PMAQI
21st Jul 2025206 PMAQI
21st Jul 2025237 PMAQI
21st Jul 2025298 PMAQI
21st Jul 2025339 PMAQI
21st Jul 20253310 PMAQI
21st Jul 20253411 PMAQI
22nd Jul 20253512 AMAQI
22nd Jul 2025361 AMAQI
22nd Jul 2025372 AMAQI
22nd Jul 2025373 AMAQI
22nd Jul 2025354 AMAQI

29°C24/33°C

22nd Jul 2025335 AMAQI
22nd Jul 2025336 AMAQI
22nd Jul 2025337 AMAQI
22nd Jul 2025338 AMAQI
22nd Jul 2025239 AMAQI
22nd Jul 20252310 AMAQI
22nd Jul 20252311 AMAQI
22nd Jul 20252712 PMAQI
22nd Jul 2025331 PMAQI
22nd Jul 2025432 PMAQI
22nd Jul 2025553 PMAQI
22nd Jul 2025584 PMAQI
22nd Jul 2025615 PMAQI
22nd Jul 2025606 PMAQI
22nd Jul 2025587 PMAQI
22nd Jul 2025538 PMAQI
22nd Jul 2025519 PMAQI
22nd Jul 20254210 PMAQI
22nd Jul 20253311 PMAQI
23rd Jul 20252912 AMAQI
23rd Jul 2025341 AMAQI
23rd Jul 2025362 AMAQI
23rd Jul 2025363 AMAQI
23rd Jul 2025354 AMAQI

29°C24/34°C

23rd Jul 2025345 AMAQI
23rd Jul 2025356 AMAQI
23rd Jul 2025347 AMAQI
23rd Jul 2025358 AMAQI
23rd Jul 2025239 AMAQI
23rd Jul 20252010 AMAQI
23rd Jul 20253611 AMAQI
23rd Jul 20254012 PMAQI
23rd Jul 2025391 PMAQI
23rd Jul 2025362 PMAQI
23rd Jul 2025513 PMAQI
23rd Jul 2025494 PMAQI
23rd Jul 2025565 PMAQI
23rd Jul 2025576 PMAQI
23rd Jul 2025597 PMAQI
23rd Jul 2025568 PMAQI
23rd Jul 2025519 PMAQI
23rd Jul 20254510 PMAQI
23rd Jul 20253611 PMAQI
24th Jul 20253212 AMAQI
24th Jul 2025291 AMAQI
24th Jul 2025342 AMAQI
24th Jul 2025343 AMAQI
24th Jul 2025344 AMAQI

29°C24/36°C

24th Jul 2025345 AMAQI
24th Jul 2025346 AMAQI
24th Jul 2025347 AMAQI
24th Jul 2025358 AMAQI
24th Jul 2025259 AMAQI
24th Jul 20251610 AMAQI
24th Jul 20251611 AMAQI
24th Jul 20251712 PMAQI
24th Jul 2025191 PMAQI
24th Jul 2025222 PMAQI
24th Jul 2025223 PMAQI
24th Jul 2025174 PMAQI
24th Jul 2025175 PMAQI
24th Jul 2025186 PMAQI
24th Jul 2025227 PMAQI
24th Jul 2025238 PMAQI
24th Jul 2025279 PMAQI
24th Jul 20252610 PMAQI
24th Jul 20252411 PMAQI
25th Jul 20252412 AMAQI
25th Jul 2025261 AMAQI
25th Jul 2025322 AMAQI
25th Jul 2025333 AMAQI
25th Jul 2025324 AMAQI

29°C24/36°C

25th Jul 2025305 AMAQI
25th Jul 2025306 AMAQI
25th Jul 2025307 AMAQI
25th Jul 2025318 AMAQI
25th Jul 2025199 AMAQI
25th Jul 20251610 AMAQI
25th Jul 20251711 AMAQI
25th Jul 20251612 PMAQI
25th Jul 2025171 PMAQI
25th Jul 2025202 PMAQI
25th Jul 2025293 PMAQI
25th Jul 2025254 PMAQI
25th Jul 2025185 PMAQI
25th Jul 2025176 PMAQI
25th Jul 2025197 PMAQI
25th Jul 2025208 PMAQI
25th Jul 2025249 PMAQI
25th Jul 20252410 PMAQI
25th Jul 20252711 PMAQI
26th Jul 20252112 AMAQI
26th Jul 2025241 AMAQI
26th Jul 2025302 AMAQI
26th Jul 2025303 AMAQI
26th Jul 2025284 AMAQI

29°C25/35°C

26th Jul 2025285 AMAQI
26th Jul 2025276 AMAQI
26th Jul 2025277 AMAQI
26th Jul 2025288 AMAQI
26th Jul 2025169 AMAQI
26th Jul 20251310 AMAQI
26th Jul 20251511 AMAQI
26th Jul 20251612 PMAQI
26th Jul 2025151 PMAQI
26th Jul 2025162 PMAQI
26th Jul 2025173 PMAQI
26th Jul 2025184 PMAQI
26th Jul 2025165 PMAQI
26th Jul 2025166 PMAQI
26th Jul 2025187 PMAQI
26th Jul 2025188 PMAQI
26th Jul 2025209 PMAQI
26th Jul 20252310 PMAQI
26th Jul 20252211 PMAQI
27th Jul 20252012 AMAQI
27th Jul 2025221 AMAQI
27th Jul 2025272 AMAQI
27th Jul 2025283 AMAQI
27th Jul 2025264 AMAQI

29°C25/34°C

27th Jul 2025255 AMAQI
27th Jul 2025266 AMAQI
27th Jul 2025257 AMAQI
27th Jul 2025258 AMAQI
27th Jul 2025209 AMAQI
27th Jul 20251410 AMAQI
27th Jul 20251411 AMAQI
27th Jul 20251412 PMAQI
27th Jul 2025151 PMAQI
27th Jul 2025182 PMAQI
27th Jul 2025163 PMAQI
27th Jul 2025154 PMAQI
27th Jul 2025175 PMAQI
27th Jul 2025226 PMAQI
27th Jul 2025217 PMAQI
27th Jul 2025248 PMAQI
27th Jul 2025249 PMAQI
27th Jul 20252310 PMAQI
27th Jul 20252311 PMAQI
28th Jul 20252312 AMAQI
28th Jul 2025221 AMAQI
28th Jul 2025252 AMAQI
28th Jul 2025263 AMAQI
28th Jul 2025254 AMAQI

29°C26/34°C

28th Jul 2025245 AMAQI
28th Jul 2025236 AMAQI
28th Jul 2025237 AMAQI
28th Jul 2025238 AMAQI
28th Jul 2025169 AMAQI
28th Jul 20251910 AMAQI
28th Jul 20252011 AMAQI
28th Jul 20252212 PMAQI
28th Jul 2025231 PMAQI
28th Jul 2025262 PMAQI
28th Jul 2025253 PMAQI
28th Jul 2025214 PMAQI
28th Jul 2025215 PMAQI
28th Jul 2025226 PMAQI
28th Jul 2025187 PMAQI
28th Jul 2025208 PMAQI
28th Jul 2025219 PMAQI
28th Jul 20252210 PMAQI
28th Jul 20252311 PMAQI
29th Jul 20252212 AMAQI
29th Jul 2025181 AMAQI
29th Jul 2025242 AMAQI
29th Jul 2025243 AMAQI
29th Jul 2025244 AMAQI

29°C24/36°C

29th Jul 2025235 AMAQI
29th Jul 2025236 AMAQI
29th Jul 2025237 AMAQI
29th Jul 2025238 AMAQI
29th Jul 2025189 AMAQI
29th Jul 20251910 AMAQI
29th Jul 20252211 AMAQI
29th Jul 20251812 PMAQI
29th Jul 2025211 PMAQI
29th Jul 2025242 PMAQI
29th Jul 2025263 PMAQI
29th Jul 2025224 PMAQI
29th Jul 2025245 PMAQI
29th Jul 2025256 PMAQI
29th Jul 2025297 PMAQI
29th Jul 2025288 PMAQI
29th Jul 2025299 PMAQI
29th Jul 20252610 PMAQI
29th Jul 20252511 PMAQI
30th Jul 20252312 AMAQI
30th Jul 2025241 AMAQI
30th Jul 2025232 AMAQI
30th Jul 2025233 AMAQI
30th Jul 2025224 AMAQI

30°C24/37°C

30th Jul 2025225 AMAQI
30th Jul 2025226 AMAQI
30th Jul 2025227 AMAQI
30th Jul 2025228 AMAQI
30th Jul 2025209 AMAQI
30th Jul 20251910 AMAQI
30th Jul 20252211 AMAQI
30th Jul 20252612 PMAQI
30th Jul 2025281 PMAQI
30th Jul 2025272 PMAQI
30th Jul 2025323 PMAQI
30th Jul 2025284 PMAQI
30th Jul 2025245 PMAQI
30th Jul 2025256 PMAQI
30th Jul 2025287 PMAQI
30th Jul 2025268 PMAQI
30th Jul 2025269 PMAQI
30th Jul 20252210 PMAQI
30th Jul 20252011 PMAQI
31st Jul 20252112 AMAQI
31st Jul 2025211 AMAQI
31st Jul 2025222 AMAQI
31st Jul 2025223 AMAQI
31st Jul 2025224 AMAQI

29°C24/36°C

31st Jul 2025225 AMAQI
31st Jul 2025226 AMAQI
31st Jul 2025227 AMAQI
31st Jul 2025228 AMAQI
31st Jul 2025229 AMAQI
31st Jul 20252210 AMAQI
31st Jul 20252411 AMAQI
31st Jul 20252512 PMAQI
31st Jul 2025241 PMAQI
31st Jul 2025232 PMAQI
31st Jul 2025263 PMAQI
31st Jul 2025334 PMAQI
31st Jul 2025255 PMAQI
31st Jul 2025256 PMAQI
31st Jul 2025277 PMAQI
31st Jul 2025308 PMAQI
31st Jul 2025459 PMAQI
31st Jul 20254410 PMAQI
31st Jul 20254611 PMAQI
1st Aug 20253212 AMAQI
1st Aug 2025321 AMAQI
1st Aug 2025332 AMAQI
1st Aug 2025293 AMAQI
1st Aug 2025294 AMAQI

30°C23/37°C

1st Aug 2025305 AMAQI
1st Aug 2025316 AMAQI
1st Aug 2025317 AMAQI
1st Aug 2025328 AMAQI
1st Aug 2025549 AMAQI
1st Aug 20255810 AMAQI
1st Aug 20256011 AMAQI
1st Aug 20255712 PMAQI
1st Aug 2025561 PMAQI
1st Aug 2025592 PMAQI
1st Aug 2025613 PMAQI
1st Aug 2025574 PMAQI
1st Aug 2025555 PMAQI
1st Aug 2025576 PMAQI
1st Aug 2025607 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 2025332 AMAQI
2nd Aug 2025313 AMAQI
2nd Aug 2025344 AMAQI

30°C25/36°C

2nd Aug 2025385 AMAQI
2nd Aug 2025386 AMAQI
2nd Aug 2025377 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025579 AMAQI
2nd Aug 20255510 AMAQI
2nd Aug 20255911 AMAQI
2nd Aug 20256212 PMAQI
2nd Aug 2025631 PMAQI
2nd Aug 2025622 PMAQI
2nd Aug 2025633 PMAQI
2nd Aug 2025604 PMAQI
2nd Aug 2025595 PMAQI
2nd Aug 2025576 PMAQI
2nd Aug 2025587 PMAQI
2nd Aug 2025538 PMAQI
2nd Aug 2025519 PMAQI
2nd Aug 20254810 PMAQI
2nd Aug 20255111 PMAQI
3rd Aug 20254612 AMAQI
3rd Aug 2025391 AMAQI
3rd Aug 2025382 AMAQI
3rd Aug 2025363 AMAQI
3rd Aug 2025404 AMAQI

30°C25/37°C

3rd Aug 2025445 AMAQI
5 AM
3rd Aug 2025436 AMAQI
3rd Aug 2025447 AMAQI
3rd Aug 2025448 AMAQI
3rd Aug 2025539 AMAQI
3rd Aug 20255010 AMAQI
3rd Aug 20255511 AMAQI
3rd Aug 20256212 PMAQI
12 PM
3rd Aug 2025561 PMAQI
3rd Aug 2025592 PMAQI
3rd Aug 2025553 PMAQI
7 PM
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

33AQI

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. 33).
Night time
Avg. Highest Time
2 AM - 4 AM

46AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
12 AM - 1 AM

43AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 4 AM (Avg. 46), while the lowest AQI was between 12 AM to 1 AM (Avg. 43).

2025 Days Vs Air Quality

Yashima, Kumamoto, Japan

2025

74%

158

25%

54

0.4%

1

Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)

Good
158 Days
Moderate
54 Days
Poor
1 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 215 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.

Annual Air Quality Insights

Yashima, Kumamoto, Japan

AQI levels in 2025

AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

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

47AQI

40AQI

47AQI

46AQI

45AQI

37AQI

46AQI

43AQI

No. of days

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

202544AQI

21
10
26
2
18
13
22
8
25
6
25
5
20
10
1
1
158
54
1

Highest AQI recorded in

March

47AQI

Lowest AQI recorded in

June

37AQI

202448AQI

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

Highest AQI recorded in

January

65AQI

Lowest AQI recorded in

July

33AQI

202345AQI

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

Highest AQI recorded in

April

53AQI

Lowest AQI recorded in

August

32AQI

202246AQI

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

Highest AQI recorded in

May

53AQI

Lowest AQI recorded in

August

34AQI

202143AQI

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

Highest AQI recorded in

May

50AQI

Lowest AQI recorded in

August

29AQI

202047AQI

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

Highest AQI recorded in

May

55AQI

Lowest AQI recorded in

July

31AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2024(Avg.)
48AQI
Least Polluted Year Recorded
2021(Avg.)
43AQI

Yashima's annual 2025 AQI (44) shows an average percentage change of -3.7% (improved AQI) compared to previous years: 2020 (47), 2021 (43), 2022 (46), 2023 (45), 2024 (48).