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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Yatsushiro, Honmachi, 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

Yatsushiro, Honmachi, Kumamoto, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
24th Aug 2023
73AQI
Lowest AQI recorded on
6th Aug 2026
13AQI

Same Day Analysis (13th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 41 of Good air quality, showing improvement over 2024 and 2023 on the same day.

Day & Night AQI Trend: 13th Aug - 14th Aug 2026

Yatsushiro, Honmachi, Kumamoto, Japan

AQI
Day
Night
.

5 AM13th Aug 2026

7 PM

4 AM14th Aug 2026

Day time
Avg. Highest Time
12PM13th Aug

67AQI

Avg. Lowest Time
7PM13th Aug

21AQI

Night time
Avg. Highest Time
10PM13th Aug

29AQI

Avg. Lowest Time
11PM13th Aug

19AQI

In the last 24 hours,

Yatsushiro's AQI reached its highest point of 67 at 12 PM during the Day, while the lowest point, 19, was recorded at 11 PM during the Night between 13th Aug and 14th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Yatsushiro, Honmachi, Kumamoto, Japan

JulAug
16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th
Day
Night
16th Jul 2026295 AMAQI
16th Jul 2026306 AMAQI
16th Jul 2026287 AMAQI
16th Jul 2026318 AMAQI
16th Jul 2026309 AMAQI
16th Jul 20263110 AMAQI
16th Jul 20262611 AMAQI
16th Jul 20262812 PMAQI
16th Jul 2026241 PMAQI
16th Jul 2026222 PMAQI
16th Jul 2026243 PMAQI
16th Jul 2026224 PMAQI
16th Jul 2026265 PMAQI
16th Jul 2026296 PMAQI
16th Jul 2026287 PMAQI
16th Jul 2026288 PMAQI
16th Jul 2026299 PMAQI
16th Jul 20262810 PMAQI
16th Jul 20262911 PMAQI
17th Jul 20262812 AMAQI
17th Jul 2026281 AMAQI
17th Jul 2026282 AMAQI
17th Jul 2026303 AMAQI
17th Jul 2026294 AMAQI

27°C25/29°C

17th Jul 2026285 AMAQI
17th Jul 2026266 AMAQI
17th Jul 2026307 AMAQI
17th Jul 2026268 AMAQI
17th Jul 2026289 AMAQI
17th Jul 20262810 AMAQI
17th Jul 20263011 AMAQI
17th Jul 20262612 PMAQI
17th Jul 2026281 PMAQI
17th Jul 2026262 PMAQI
17th Jul 2026243 PMAQI
17th Jul 2026314 PMAQI
17th Jul 2026315 PMAQI
17th Jul 2026336 PMAQI
17th Jul 2026317 PMAQI
17th Jul 2026318 PMAQI
17th Jul 2026409 PMAQI
17th Jul 20263610 PMAQI
17th Jul 20263611 PMAQI
18th Jul 20264012 AMAQI
18th Jul 2026361 AMAQI
18th Jul 2026362 AMAQI
18th Jul 2026383 AMAQI
18th Jul 2026364 AMAQI

27°C25/30°C

18th Jul 2026365 AMAQI
18th Jul 2026336 AMAQI
18th Jul 2026347 AMAQI
18th Jul 2026338 AMAQI
18th Jul 2026369 AMAQI
18th Jul 20263110 AMAQI
18th Jul 20263811 AMAQI
18th Jul 20265212 PMAQI
18th Jul 2026421 PMAQI
18th Jul 2026402 PMAQI
18th Jul 2026403 PMAQI
18th Jul 2026404 PMAQI
18th Jul 2026405 PMAQI
18th Jul 2026386 PMAQI
18th Jul 2026367 PMAQI
18th Jul 2026338 PMAQI
18th Jul 2026389 PMAQI
18th Jul 20263610 PMAQI
18th Jul 20263311 PMAQI
19th Jul 20263612 AMAQI
19th Jul 2026311 AMAQI
19th Jul 2026332 AMAQI
19th Jul 2026313 AMAQI
19th Jul 2026294 AMAQI

28°C25/31°C

19th Jul 2026335 AMAQI
19th Jul 2026336 AMAQI
19th Jul 2026317 AMAQI
19th Jul 2026368 AMAQI
19th Jul 2026409 AMAQI
19th Jul 20263310 AMAQI
19th Jul 20263611 AMAQI
19th Jul 20263612 PMAQI
19th Jul 2026381 PMAQI
19th Jul 2026332 PMAQI
19th Jul 2026363 PMAQI
19th Jul 2026344 PMAQI
19th Jul 2026315 PMAQI
19th Jul 2026316 PMAQI
19th Jul 2026297 PMAQI
19th Jul 2026318 PMAQI
19th Jul 2026319 PMAQI
19th Jul 20262710 PMAQI
19th Jul 20262711 PMAQI
20th Jul 20262912 AMAQI
20th Jul 2026291 AMAQI
20th Jul 2026292 AMAQI
20th Jul 2026293 AMAQI
20th Jul 2026274 AMAQI

28°C25/32°C

20th Jul 2026275 AMAQI
20th Jul 2026296 AMAQI
20th Jul 2026237 AMAQI
20th Jul 2026258 AMAQI
20th Jul 2026239 AMAQI
20th Jul 20262510 AMAQI
20th Jul 20262511 AMAQI
20th Jul 20263612 PMAQI
20th Jul 2026381 PMAQI
20th Jul 2026292 PMAQI
20th Jul 2026293 PMAQI
20th Jul 2026344 PMAQI
20th Jul 2026345 PMAQI
20th Jul 2026316 PMAQI
20th Jul 2026317 PMAQI
20th Jul 2026318 PMAQI
20th Jul 2026319 PMAQI
20th Jul 20263610 PMAQI
20th Jul 20263311 PMAQI
21st Jul 20263612 AMAQI
21st Jul 2026331 AMAQI
21st Jul 2026292 AMAQI
21st Jul 2026333 AMAQI
21st Jul 2026334 AMAQI

28°C26/31°C

21st Jul 2026315 AMAQI
21st Jul 2026296 AMAQI
21st Jul 2026497 AMAQI
21st Jul 2026508 AMAQI
21st Jul 2026499 AMAQI
21st Jul 20264210 AMAQI
21st Jul 20264811 AMAQI
21st Jul 2026461 PMAQI
21st Jul 2026422 PMAQI
21st Jul 2026513 PMAQI
21st Jul 2026524 PMAQI
21st Jul 2026495 PMAQI
21st Jul 2026506 PMAQI
21st Jul 2026967 PMAQI
21st Jul 2026488 PMAQI
21st Jul 2026449 PMAQI
21st Jul 20264010 PMAQI
21st Jul 20264211 PMAQI
22nd Jul 20263812 AMAQI
22nd Jul 2026401 AMAQI
22nd Jul 2026402 AMAQI
22nd Jul 2026363 AMAQI
22nd Jul 2026344 AMAQI

28°C25/31°C

22nd Jul 2026365 AMAQI
22nd Jul 2026366 AMAQI
22nd Jul 2026367 AMAQI
22nd Jul 2026368 AMAQI
22nd Jul 2026319 AMAQI
22nd Jul 20263110 AMAQI
22nd Jul 20263811 AMAQI
22nd Jul 20264412 PMAQI
22nd Jul 2026361 PMAQI
22nd Jul 2026482 PMAQI
22nd Jul 2026673 PMAQI
22nd Jul 2026634 PMAQI
22nd Jul 2026585 PMAQI
22nd Jul 2026516 PMAQI
22nd Jul 2026467 PMAQI
22nd Jul 2026448 PMAQI
22nd Jul 2026429 PMAQI
22nd Jul 20263810 PMAQI
22nd Jul 20263811 PMAQI
23rd Jul 20263112 AMAQI
23rd Jul 2026311 AMAQI
23rd Jul 2026272 AMAQI
23rd Jul 2026293 AMAQI
23rd Jul 2026314 AMAQI

28°C25/33°C

23rd Jul 2026275 AMAQI
23rd Jul 2026296 AMAQI
23rd Jul 2026277 AMAQI
23rd Jul 2026298 AMAQI
23rd Jul 2026279 AMAQI
23rd Jul 20262910 AMAQI
23rd Jul 20263311 AMAQI
23rd Jul 20263612 PMAQI
23rd Jul 2026401 PMAQI
23rd Jul 2026382 PMAQI
23rd Jul 2026423 PMAQI
23rd Jul 2026384 PMAQI
23rd Jul 2026385 PMAQI
23rd Jul 2026406 PMAQI
23rd Jul 2026257 PMAQI
23rd Jul 2026298 PMAQI
23rd Jul 2026319 PMAQI
23rd Jul 20263110 PMAQI
23rd Jul 20263311 PMAQI
24th Jul 20262512 AMAQI
24th Jul 2026251 AMAQI
24th Jul 2026252 AMAQI
24th Jul 2026253 AMAQI
24th Jul 2026254 AMAQI

28°C26/31°C

24th Jul 2026275 AMAQI
24th Jul 2026296 AMAQI
24th Jul 2026257 AMAQI
24th Jul 2026258 AMAQI
24th Jul 2026279 AMAQI
24th Jul 20263310 AMAQI
24th Jul 20264011 AMAQI
24th Jul 20264412 PMAQI
24th Jul 2026481 PMAQI
24th Jul 2026502 PMAQI
24th Jul 2026443 PMAQI
24th Jul 2026464 PMAQI
24th Jul 2026385 PMAQI
24th Jul 2026336 PMAQI
24th Jul 2026337 PMAQI
24th Jul 2026518 PMAQI
24th Jul 2026449 PMAQI
24th Jul 20264210 PMAQI
24th Jul 20263611 PMAQI
25th Jul 20263112 AMAQI
25th Jul 2026361 AMAQI
25th Jul 2026402 AMAQI
25th Jul 2026443 AMAQI
25th Jul 2026424 AMAQI

28°C25/32°C

25th Jul 2026465 AMAQI
25th Jul 2026486 AMAQI
25th Jul 2026487 AMAQI
25th Jul 2026508 AMAQI
25th Jul 2026499 AMAQI
25th Jul 20264810 AMAQI
25th Jul 20265811 AMAQI
25th Jul 20265412 PMAQI
25th Jul 2026551 PMAQI
25th Jul 2026592 PMAQI
25th Jul 2026563 PMAQI
25th Jul 2026534 PMAQI
25th Jul 2026445 PMAQI
25th Jul 2026336 PMAQI
25th Jul 2026317 PMAQI
25th Jul 2026338 PMAQI
25th Jul 2026319 PMAQI
25th Jul 20263310 PMAQI
25th Jul 20262511 PMAQI
26th Jul 20262912 AMAQI
26th Jul 2026271 AMAQI
26th Jul 2026252 AMAQI
26th Jul 2026253 AMAQI
26th Jul 2026234 AMAQI

28°C25/33°C

26th Jul 2026255 AMAQI
26th Jul 2026276 AMAQI
26th Jul 2026257 AMAQI
26th Jul 2026238 AMAQI
26th Jul 2026219 AMAQI
26th Jul 20264010 AMAQI
26th Jul 20263811 AMAQI
26th Jul 20262912 PMAQI
26th Jul 2026271 PMAQI
26th Jul 2026252 PMAQI
26th Jul 2026253 PMAQI
26th Jul 2026274 PMAQI
26th Jul 2026255 PMAQI
26th Jul 2026216 PMAQI
26th Jul 2026237 PMAQI
26th Jul 2026238 PMAQI
26th Jul 2026259 PMAQI
26th Jul 20262510 PMAQI
26th Jul 20262311 PMAQI
27th Jul 20262112 AMAQI
27th Jul 2026251 AMAQI
27th Jul 2026252 AMAQI
27th Jul 2026233 AMAQI
27th Jul 2026274 AMAQI

29°C25/34°C

27th Jul 2026255 AMAQI
27th Jul 2026276 AMAQI
27th Jul 2026337 AMAQI
27th Jul 2026318 AMAQI
27th Jul 2026319 AMAQI
27th Jul 20263310 AMAQI
27th Jul 20263811 AMAQI
27th Jul 20263612 PMAQI
27th Jul 2026421 PMAQI
27th Jul 2026252 PMAQI
27th Jul 2026253 PMAQI
27th Jul 2026274 PMAQI
27th Jul 2026275 PMAQI
27th Jul 2026296 PMAQI
27th Jul 2026337 PMAQI
27th Jul 2026318 PMAQI
27th Jul 2026409 PMAQI
27th Jul 20263310 PMAQI
27th Jul 20263111 PMAQI
28th Jul 20263612 AMAQI
28th Jul 2026361 AMAQI
28th Jul 2026402 AMAQI
28th Jul 2026443 AMAQI
28th Jul 2026464 AMAQI

29°C25/34°C

28th Jul 2026465 AMAQI
28th Jul 2026466 AMAQI
28th Jul 2026487 AMAQI
28th Jul 2026448 AMAQI
28th Jul 2026489 AMAQI
28th Jul 20264610 AMAQI
28th Jul 20264611 AMAQI
28th Jul 20264212 PMAQI
28th Jul 2026421 PMAQI
28th Jul 2026422 PMAQI
28th Jul 2026423 PMAQI
28th Jul 2026404 PMAQI
28th Jul 2026385 PMAQI
28th Jul 2026366 PMAQI
28th Jul 2026367 PMAQI
28th Jul 2026368 PMAQI
28th Jul 2026369 PMAQI
28th Jul 20263610 PMAQI
28th Jul 20262311 PMAQI
29th Jul 20262312 AMAQI
29th Jul 2026251 AMAQI
29th Jul 2026252 AMAQI
29th Jul 2026213 AMAQI
29th Jul 2026214 AMAQI

28°C25/33°C

29th Jul 2026215 AMAQI
29th Jul 2026256 AMAQI
29th Jul 2026217 AMAQI
29th Jul 2026218 AMAQI
29th Jul 2026259 AMAQI
29th Jul 20263110 AMAQI
29th Jul 20262511 AMAQI
29th Jul 20263312 PMAQI
29th Jul 2026291 PMAQI
29th Jul 2026212 PMAQI
29th Jul 2026213 PMAQI
29th Jul 2026214 PMAQI
29th Jul 2026235 PMAQI
29th Jul 2026236 PMAQI
29th Jul 2026257 PMAQI
29th Jul 2026198 PMAQI
29th Jul 2026299 PMAQI
29th Jul 20262710 PMAQI
29th Jul 20262511 PMAQI
30th Jul 20262912 AMAQI
30th Jul 2026251 AMAQI
30th Jul 2026332 AMAQI
30th Jul 2026313 AMAQI
30th Jul 2026274 AMAQI

27°C25/30°C

30th Jul 2026255 AMAQI
30th Jul 2026216 AMAQI
30th Jul 2026237 AMAQI
30th Jul 2026258 AMAQI
30th Jul 2026239 AMAQI
30th Jul 20262110 AMAQI
30th Jul 20262111 AMAQI
30th Jul 20262112 PMAQI
30th Jul 2026211 PMAQI
30th Jul 2026252 PMAQI
30th Jul 2026253 PMAQI
30th Jul 2026254 PMAQI
30th Jul 2026255 PMAQI
30th Jul 2026236 PMAQI
30th Jul 2026217 PMAQI
30th Jul 2026238 PMAQI
30th Jul 2026259 PMAQI
30th Jul 20262310 PMAQI
30th Jul 20262111 PMAQI
31st Jul 20262512 AMAQI
31st Jul 2026251 AMAQI
31st Jul 2026292 AMAQI
31st Jul 2026423 AMAQI
31st Jul 2026384 AMAQI

28°C25/32°C

31st Jul 2026405 AMAQI
31st Jul 2026446 AMAQI
31st Jul 2026497 AMAQI
31st Jul 2026568 AMAQI
31st Jul 2026509 AMAQI
31st Jul 20262310 AMAQI
31st Jul 20262111 AMAQI
31st Jul 20262112 PMAQI
31st Jul 2026231 PMAQI
31st Jul 2026232 PMAQI
31st Jul 2026213 PMAQI
31st Jul 2026214 PMAQI
31st Jul 2026215 PMAQI
31st Jul 2026256 PMAQI
31st Jul 2026217 PMAQI
31st Jul 2026258 PMAQI
31st Jul 2026219 PMAQI
31st Jul 20262510 PMAQI
31st Jul 20262311 PMAQI
1st Aug 20262512 AMAQI
1st Aug 2026231 AMAQI
1st Aug 2026212 AMAQI
1st Aug 2026213 AMAQI
1st Aug 2026214 AMAQI

28°C24/32°C

1st Aug 2026215 AMAQI
1st Aug 2026216 AMAQI
1st Aug 2026217 AMAQI
1st Aug 2026258 AMAQI
1st Aug 2026219 AMAQI
1st Aug 20262110 AMAQI
1st Aug 20262511 AMAQI
1st Aug 20262112 PMAQI
1st Aug 2026251 PMAQI
1st Aug 2026212 PMAQI
1st Aug 2026253 PMAQI
1st Aug 2026254 PMAQI
1st Aug 2026275 PMAQI
1st Aug 2026366 PMAQI
1st Aug 2026317 PMAQI
1st Aug 2026368 PMAQI
1st Aug 2026339 PMAQI
1st Aug 20263310 PMAQI
1st Aug 20263311 PMAQI
2nd Aug 20263812 AMAQI
2nd Aug 2026421 AMAQI
2nd Aug 2026462 AMAQI
2nd Aug 2026423 AMAQI
2nd Aug 2026424 AMAQI

28°C25/33°C

2nd Aug 2026445 AMAQI
2nd Aug 2026466 AMAQI
2nd Aug 2026467 AMAQI
2nd Aug 2026518 AMAQI
2nd Aug 2026489 AMAQI
2nd Aug 20265010 AMAQI
2nd Aug 20265111 AMAQI
2nd Aug 20265012 PMAQI
2nd Aug 2026511 PMAQI
2nd Aug 2026542 PMAQI
2nd Aug 2026543 PMAQI
2nd Aug 2026524 PMAQI
2nd Aug 2026575 PMAQI
2nd Aug 2026526 PMAQI
2nd Aug 2026537 PMAQI
2nd Aug 2026568 PMAQI
2nd Aug 2026509 PMAQI
2nd Aug 20265010 PMAQI
2nd Aug 20265311 PMAQI
3rd Aug 20265412 AMAQI
3rd Aug 2026581 AMAQI
3rd Aug 2026542 AMAQI
3rd Aug 2026493 AMAQI
3rd Aug 2026534 AMAQI

29°C25/34°C

3rd Aug 2026525 AMAQI
3rd Aug 2026536 AMAQI
3rd Aug 2026677 AMAQI
3rd Aug 2026578 AMAQI
3rd Aug 2026509 AMAQI
3rd Aug 20264810 AMAQI
3rd Aug 20265011 AMAQI
3rd Aug 20265712 PMAQI
3rd Aug 2026551 PMAQI
3rd Aug 2026542 PMAQI
3rd Aug 2026603 PMAQI
3rd Aug 2026744 PMAQI
3rd Aug 2026725 PMAQI
3rd Aug 2026706 PMAQI
3rd Aug 2026587 PMAQI
3rd Aug 2026548 PMAQI
3rd Aug 2026589 PMAQI
3rd Aug 20266410 PMAQI
3rd Aug 20266511 PMAQI
4th Aug 20266012 AMAQI
4th Aug 2026571 AMAQI
4th Aug 2026622 AMAQI
4th Aug 2026573 AMAQI
4th Aug 2026574 AMAQI

29°C25/35°C

4th Aug 2026605 AMAQI
4th Aug 2026546 AMAQI
4th Aug 2026517 AMAQI
4th Aug 2026608 AMAQI
4th Aug 2026649 AMAQI
4th Aug 20266310 AMAQI
4th Aug 20266311 AMAQI
4th Aug 20265912 PMAQI
4th Aug 2026681 PMAQI
4th Aug 2026702 PMAQI
4th Aug 2026733 PMAQI
4th Aug 2026794 PMAQI
4th Aug 2026545 PMAQI
4th Aug 2026536 PMAQI
4th Aug 2026567 PMAQI
4th Aug 2026698 PMAQI
4th Aug 2026509 PMAQI
4th Aug 20265810 PMAQI
4th Aug 20266311 PMAQI
5th Aug 20265712 AMAQI
5th Aug 2026581 AMAQI
5th Aug 2026542 AMAQI
5th Aug 2026513 AMAQI
5th Aug 2026464 AMAQI

29°C24/33°C

5th Aug 2026445 AMAQI
5th Aug 2026426 AMAQI
5th Aug 2026427 AMAQI
5th Aug 2026338 AMAQI
5th Aug 2026339 AMAQI
5th Aug 20263310 AMAQI
5th Aug 20263611 AMAQI
5th Aug 20263812 PMAQI
5th Aug 2026341 PMAQI
5th Aug 2026362 PMAQI
5th Aug 2026423 PMAQI
5th Aug 2026424 PMAQI
5th Aug 2026385 PMAQI
5th Aug 2026336 PMAQI
5th Aug 2026387 PMAQI
5th Aug 2026528 PMAQI
5th Aug 2026769 PMAQI
5th Aug 20265210 PMAQI
5th Aug 20261611 PMAQI
6th Aug 20261212 AMAQI
6th Aug 2026121 AMAQI
6th Aug 202682 AMAQI
6th Aug 202683 AMAQI
6th Aug 202684 AMAQI

29°C25/34°C

6th Aug 202685 AMAQI
6th Aug 202686 AMAQI
6th Aug 2026127 AMAQI
6th Aug 2026128 AMAQI
6th Aug 2026149 AMAQI
6th Aug 20262110 AMAQI
6th Aug 20262111 AMAQI
6th Aug 20262112 PMAQI
6th Aug 2026211 PMAQI
6th Aug 2026212 PMAQI
6th Aug 2026163 PMAQI
6th Aug 202694 PMAQI
6th Aug 202685 PMAQI
6th Aug 2026106 PMAQI
6th Aug 2026127 PMAQI
6th Aug 2026128 PMAQI
6th Aug 2026109 PMAQI
6th Aug 20261010 PMAQI
6th Aug 20261211 PMAQI
7th Aug 20261212 AMAQI
7th Aug 2026121 AMAQI
7th Aug 2026122 AMAQI
7th Aug 2026113 AMAQI
7th Aug 2026104 AMAQI

29°C24/35°C

7th Aug 2026145 AMAQI
7th Aug 2026126 AMAQI
7th Aug 2026127 AMAQI
7th Aug 2026148 AMAQI
7th Aug 2026129 AMAQI
7th Aug 20261210 AMAQI
7th Aug 20261211 AMAQI
7th Aug 20261212 PMAQI
7th Aug 2026271 PMAQI
7th Aug 2026252 PMAQI
7th Aug 2026143 PMAQI
7th Aug 2026124 PMAQI
7th Aug 2026195 PMAQI
7th Aug 2026176 PMAQI
7th Aug 202687 PMAQI
7th Aug 2026128 PMAQI
7th Aug 2026259 PMAQI
7th Aug 20262910 PMAQI
7th Aug 20262311 PMAQI
8th Aug 20262512 AMAQI
8th Aug 2026211 AMAQI
8th Aug 2026252 AMAQI
8th Aug 2026253 AMAQI
8th Aug 2026254 AMAQI

29°C29/30°C

8th Aug 2026215 AMAQI
8th Aug 2026256 AMAQI
8th Aug 2026217 AMAQI
8th Aug 2026338 AMAQI
8th Aug 2026339 AMAQI
8th Aug 20262510 AMAQI
8th Aug 20262511 AMAQI
8th Aug 20262912 PMAQI
8th Aug 2026291 PMAQI
8th Aug 2026252 PMAQI
8th Aug 2026213 PMAQI
8th Aug 2026274 PMAQI
8th Aug 2026235 PMAQI
8th Aug 2026256 PMAQI
8th Aug 2026257 PMAQI
8th Aug 2026218 PMAQI
8th Aug 2026259 PMAQI
8th Aug 20262110 PMAQI
8th Aug 20262111 PMAQI
9th Aug 20262112 AMAQI
9th Aug 2026291 AMAQI
9th Aug 2026212 AMAQI
9th Aug 2026213 AMAQI
9th Aug 2026294 AMAQI

29°C26/33°C

9th Aug 2026255 AMAQI
9th Aug 2026256 AMAQI
9th Aug 2026257 AMAQI
9th Aug 2026258 AMAQI
9th Aug 2026219 AMAQI
9th Aug 20262110 AMAQI
9th Aug 20262511 AMAQI
9th Aug 20262512 PMAQI
9th Aug 2026211 PMAQI
9th Aug 2026292 PMAQI
9th Aug 2026253 PMAQI
9th Aug 2026254 PMAQI
9th Aug 2026335 PMAQI
9th Aug 2026336 PMAQI
9th Aug 2026297 PMAQI
9th Aug 2026258 PMAQI
9th Aug 2026239 PMAQI
9th Aug 20262310 PMAQI
9th Aug 20262311 PMAQI
10th Aug 20262112 AMAQI
10th Aug 2026251 AMAQI
10th Aug 2026292 AMAQI
10th Aug 2026253 AMAQI
10th Aug 2026254 AMAQI

29°C24/33°C

10th Aug 2026295 AMAQI
10th Aug 2026236 AMAQI
10th Aug 2026217 AMAQI
10th Aug 2026258 AMAQI
10th Aug 2026259 AMAQI
10th Aug 20262510 AMAQI
10th Aug 20262511 AMAQI
10th Aug 20262112 PMAQI
10th Aug 2026211 PMAQI
10th Aug 2026252 PMAQI
10th Aug 2026233 PMAQI
10th Aug 2026214 PMAQI
10th Aug 2026255 PMAQI
10th Aug 2026386 PMAQI
10th Aug 2026337 PMAQI
10th Aug 2026258 PMAQI
10th Aug 2026219 PMAQI
10th Aug 20262510 PMAQI
10th Aug 20262711 PMAQI
11th Aug 20262912 AMAQI
11th Aug 2026251 AMAQI
11th Aug 2026232 AMAQI
11th Aug 2026233 AMAQI
11th Aug 2026254 AMAQI

28°C25/32°C

11th Aug 2026255 AMAQI
11th Aug 2026256 AMAQI
11th Aug 2026257 AMAQI
11th Aug 2026258 AMAQI
11th Aug 2026259 AMAQI
11th Aug 20262710 AMAQI
11th Aug 20262711 AMAQI
11th Aug 20263312 PMAQI
11th Aug 2026311 PMAQI
11th Aug 2026362 PMAQI
11th Aug 2026363 PMAQI
11th Aug 2026384 PMAQI
11th Aug 2026335 PMAQI
11th Aug 2026386 PMAQI
11th Aug 2026337 PMAQI
11th Aug 2026298 PMAQI
11th Aug 2026339 PMAQI
11th Aug 20263110 PMAQI
11th Aug 20263311 PMAQI
12th Aug 20262912 AMAQI
12th Aug 2026291 AMAQI
12th Aug 2026272 AMAQI
12th Aug 2026273 AMAQI
12th Aug 2026254 AMAQI

27°C25/32°C

12th Aug 2026255 AMAQI
12th Aug 2026256 AMAQI
12th Aug 2026217 AMAQI
12th Aug 2026238 AMAQI
12th Aug 2026219 AMAQI
12th Aug 20262310 AMAQI
12th Aug 20262311 AMAQI
12th Aug 20262512 PMAQI
12th Aug 2026251 PMAQI
12th Aug 2026252 PMAQI
12th Aug 2026273 PMAQI
12th Aug 2026294 PMAQI
12th Aug 2026545 PMAQI
12th Aug 2026406 PMAQI
12th Aug 2026297 PMAQI
12th Aug 2026368 PMAQI
12th Aug 2026429 PMAQI
12th Aug 20264410 PMAQI
12th Aug 20264611 PMAQI
13th Aug 20264412 AMAQI
13th Aug 2026421 AMAQI
13th Aug 2026402 AMAQI
13th Aug 2026403 AMAQI
13th Aug 2026444 AMAQI

26°C22/31°C

13th Aug 2026365 AMAQI
13th Aug 2026296 AMAQI
13th Aug 2026487 AMAQI
13th Aug 2026468 AMAQI
13th Aug 2026429 AMAQI
13th Aug 20264210 AMAQI
13th Aug 20265111 AMAQI
13th Aug 20266712 PMAQI
13th Aug 2026651 PMAQI
13th Aug 2026602 PMAQI
13th Aug 2026623 PMAQI
13th Aug 2026314 PMAQI
13th Aug 2026315 PMAQI
13th Aug 2026566 PMAQI
13th Aug 2026217 PMAQI
13th Aug 2026278 PMAQI
13th Aug 2026219 PMAQI
13th Aug 20262910 PMAQI
13th Aug 20261911 PMAQI
14th Aug 20262112 AMAQI
14th Aug 2026271 AMAQI
14th Aug 2026232 AMAQI
14th Aug 2026253 AMAQI
14th Aug 2026214 AMAQI

26°C23/30°C

14th Aug 2026485 AMAQI
5 AM
14th Aug 2026256 AMAQI
14th Aug 2026507 AMAQI
14th Aug 2026318 AMAQI
14th Aug 2026299 AMAQI
14th Aug 20263610 AMAQI
14th Aug 20264811 AMAQI
14th Aug 20265312 PMAQI
12 PM
14th Aug 2026481 PMAQI
14th Aug 2026482 PMAQI
14th Aug 2026503 PMAQI
14th Aug 2026544 PMAQI
14th Aug 2026465 PMAQI
14th Aug 2026626 PMAQI
14th Aug 2026527 PMAQI
7 PM
14th Aug 2026238 PMAQI
14th Aug 2026179 PMAQI
14th Aug 20262710 PMAQI
14th Aug 20263111 PMAQI
12 AM
4 AM

27°C23/31°C

Day time
Avg. Highest Time
11 AM - 6 PM

36AQI

8 hours / Day
240 hours / Month
Avg. Lowest Time
6 AM

31AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 6 PM (Avg. 36), while the lowest AQI was between 6 AM to 6 AM (Avg. 31).
Night time
Avg. Highest Time
8 PM - 10 PM

34AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
12 AM - 4 AM

31AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 10 PM (Avg. 34), while the lowest AQI was between 12 AM to 4 AM (Avg. 31).

2026 Days Vs Air Quality

Yatsushiro, Honmachi, Kumamoto, Japan

2026

85%

192

15%

33

Total number of days with different AQI categories in last 226 days in 2026 (139 days remaining)

Good
192 Days
Moderate
33 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 85%

Health Risk Level:

Low

In 2026, 85% of 226 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

Yatsushiro, Honmachi, Kumamoto, Japan

AQI levels in 2026

AQI (US)
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 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
21AQI (US)
2nd January 2026
29AQI (US)
3rd January 2026
32AQI (US)
4th January 2026
40AQI (US)
5th January 2026
42AQI (US)
6th January 2026
33AQI (US)
7th January 2026
40AQI (US)
8th January 2026
36AQI (US)
9th January 2026
22AQI (US)
10th January 2026
34AQI (US)
11th January 2026
34AQI (US)
12th January 2026
35AQI (US)
13th January 2026
38AQI (US)
14th January 2026
32AQI (US)
15th January 2026
45AQI (US)
16th January 2026
47AQI (US)
17th January 2026
55AQI (US)
18th January 2026
57AQI (US)
19th January 2026
64AQI (US)
20th January 2026
51AQI (US)
21st January 2026
16AQI (US)
22nd January 2026
19AQI (US)
23rd January 2026
40AQI (US)
24th January 2026
52AQI (US)
25th January 2026
32AQI (US)
26th January 2026
27AQI (US)
27th January 2026
40AQI (US)
28th January 2026
35AQI (US)
29th January 2026
43AQI (US)
30th January 2026
38AQI (US)
31st January 2026
20AQI (US)
1st February 2026
44AQI (US)
2nd February 2026
42AQI (US)
3rd February 2026
33AQI (US)
4th February 2026
35AQI (US)
5th February 2026
42AQI (US)
6th February 2026
46AQI (US)
7th February 2026
39AQI (US)
8th February 2026
18AQI (US)
9th February 2026
37AQI (US)
10th February 2026
41AQI (US)
11th February 2026
45AQI (US)
12th February 2026
54AQI (US)
13th February 2026
44AQI (US)
14th February 2026
49AQI (US)
15th February 2026
41AQI (US)
16th February 2026
65AQI (US)
17th February 2026
38AQI (US)
18th February 2026
26AQI (US)
19th February 2026
58AQI (US)
20th February 2026
38AQI (US)
21st February 2026
39AQI (US)
22nd February 2026
45AQI (US)
23rd February 2026
40AQI (US)
24th February 2026
42AQI (US)
25th February 2026
24AQI (US)
26th February 2026
17AQI (US)
27th February 2026
47AQI (US)
28th February 2026
37AQI (US)
1st March 2026
36AQI (US)
2nd March 2026
37AQI (US)
3rd March 2026
12AQI (US)
4th March 2026
26AQI (US)
5th March 2026
47AQI (US)
6th March 2026
49AQI (US)
7th March 2026
47AQI (US)
8th March 2026
35AQI (US)
9th March 2026
44AQI (US)
10th March 2026
56AQI (US)
11th March 2026
40AQI (US)
12th March 2026
45AQI (US)
13th March 2026
37AQI (US)
14th March 2026
44AQI (US)
15th March 2026
57AQI (US)
16th March 2026
48AQI (US)
17th March 2026
61AQI (US)
18th March 2026
49AQI (US)
19th March 2026
24AQI (US)
20th March 2026
56AQI (US)
21st March 2026
40AQI (US)
22nd March 2026
42AQI (US)
23rd March 2026
20AQI (US)
24th March 2026
47AQI (US)
25th March 2026
33AQI (US)
26th March 2026
22AQI (US)
27th March 2026
54AQI (US)
28th March 2026
83AQI (US)
29th March 2026
91AQI (US)
30th March 2026
51AQI (US)
31st March 2026
26AQI (US)
1st April 2026
19AQI (US)
2nd April 2026
55AQI (US)
3rd April 2026
48AQI (US)
4th April 2026
43AQI (US)
5th April 2026
48AQI (US)
6th April 2026
54AQI (US)
7th April 2026
34AQI (US)
8th April 2026
32AQI (US)
9th April 2026
33AQI (US)
10th April 2026
44AQI (US)
11th April 2026
34AQI (US)
12th April 2026
34AQI (US)
13th April 2026
31AQI (US)
14th April 2026
36AQI (US)
15th April 2026
32AQI (US)
16th April 2026
36AQI (US)
17th April 2026
34AQI (US)
18th April 2026
29AQI (US)
19th April 2026
27AQI (US)
20th April 2026
58AQI (US)
21st April 2026
37AQI (US)
22nd April 2026
43AQI (US)
23rd April 2026
33AQI (US)
24th April 2026
25AQI (US)
25th April 2026
42AQI (US)
26th April 2026
47AQI (US)
27th April 2026
53AQI (US)
28th April 2026
46AQI (US)
29th April 2026
36AQI (US)
30th April 2026
31AQI (US)
1st May 2026
38AQI (US)
2nd May 2026
53AQI (US)
3rd May 2026
36AQI (US)
4th May 2026
29AQI (US)
5th May 2026
28AQI (US)
6th May 2026
32AQI (US)
7th May 2026
32AQI (US)
8th May 2026
29AQI (US)
9th May 2026
31AQI (US)
10th May 2026
35AQI (US)
11th May 2026
42AQI (US)
12th May 2026
30AQI (US)
13th May 2026
34AQI (US)
14th May 2026
37AQI (US)
15th May 2026
39AQI (US)
16th May 2026
78AQI (US)
17th May 2026
62AQI (US)
18th May 2026
53AQI (US)
19th May 2026
47AQI (US)
20th May 2026
60AQI (US)
21st May 2026
66AQI (US)
22nd May 2026
71AQI (US)
23rd May 2026
62AQI (US)
24th May 2026
65AQI (US)
25th May 2026
55AQI (US)
26th May 2026
42AQI (US)
27th May 2026
25AQI (US)
28th May 2026
25AQI (US)
29th May 2026
31AQI (US)
30th May 2026
39AQI (US)
31st May 2026
29AQI (US)
1st June 2026
54AQI (US)
2nd June 2026
16AQI (US)
3rd June 2026
18AQI (US)
4th June 2026
25AQI (US)
5th June 2026
23AQI (US)
6th June 2026
38AQI (US)
7th June 2026
18AQI (US)
8th June 2026
30AQI (US)
9th June 2026
18AQI (US)
10th June 2026
23AQI (US)
11th June 2026
26AQI (US)
12th June 2026
25AQI (US)
13th June 2026
26AQI (US)
14th June 2026
24AQI (US)
15th June 2026
22AQI (US)
16th June 2026
24AQI (US)
17th June 2026
24AQI (US)
18th June 2026
26AQI (US)
19th June 2026
25AQI (US)
20th June 2026
23AQI (US)
21st June 2026
21AQI (US)
22nd June 2026
21AQI (US)
23rd June 2026
22AQI (US)
24th June 2026
20AQI (US)
25th June 2026
28AQI (US)
26th June 2026
26AQI (US)
27th June 2026
27AQI (US)
28th June 2026
28AQI (US)
29th June 2026
25AQI (US)
30th June 2026
32AQI (US)
1st July 2026
17AQI (US)
2nd July 2026
20AQI (US)
3rd July 2026
24AQI (US)
4th July 2026
26AQI (US)
5th July 2026
32AQI (US)
6th July 2026
37AQI (US)
7th July 2026
43AQI (US)
8th July 2026
27AQI (US)
9th July 2026
24AQI (US)
10th July 2026
26AQI (US)
11th July 2026
25AQI (US)
12th July 2026
30AQI (US)
13th July 2026
39AQI (US)
14th July 2026
29AQI (US)
15th July 2026
27AQI (US)
16th July 2026
28AQI (US)
17th July 2026
30AQI (US)
18th July 2026
37AQI (US)
19th July 2026
33AQI (US)
20th July 2026
30AQI (US)
21st July 2026
44AQI (US)
22nd July 2026
42AQI (US)
23rd July 2026
32AQI (US)
24th July 2026
35AQI (US)
25th July 2026
44AQI (US)
26th July 2026
26AQI (US)
27th July 2026
30AQI (US)
28th July 2026
41AQI (US)
29th July 2026
24AQI (US)
30th July 2026
24AQI (US)
31st July 2026
30AQI (US)
1st August 2026
26AQI (US)
2nd August 2026
49AQI (US)
3rd August 2026
58AQI (US)
4th August 2026
61AQI (US)
5th August 2026
43AQI (US)
6th August 2026
13AQI (US)
7th August 2026
15AQI (US)
8th August 2026
25AQI (US)
9th August 2026
25AQI (US)
10th August 2026
25AQI (US)
11th August 2026
30AQI (US)
12th August 2026
30AQI (US)
13th August 2026
41AQI (US)
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

37AQI (US)

40AQI (US)

44AQI (US)

38AQI (US)

43AQI (US)

25AQI (US)

31AQI (US)

34AQI (US)

No. of days

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

202637AQI (US)

26
5
25
3
23
8
26
4
21
10
29
1
31
11
2
192
33

Highest AQI (US) recorded in

March

44AQI (US)

Lowest AQI (US) recorded in

June

25AQI (US)

202548AQI (US)

24
7
27
1
18
13
1
29
7
24
19
11
19
11
1
30
1
30
1
30
5
25
18
13
199
165
1

Highest AQI (US) recorded in

October

63AQI (US)

Lowest AQI (US) recorded in

September

31AQI (US)

202452AQI (US)

16
2
4
5
3
17
14
21
9
30
1
16
15
16
14
22
9
13
17
31
171
88
16

Highest AQI (US) recorded in

January

107AQI (US)

Lowest AQI (US) recorded in

December

36AQI (US)

202354AQI (US)

18
11
1
13
15
16
15
11
19
13
18
12
18
16
15
14
17
8
22
8
23
6
23
14
14
2
149
210
3

Highest AQI (US) recorded in

September

56AQI (US)

Lowest AQI (US) recorded in

February

51AQI (US)

202255AQI (US)

14
16
6
14
1
11
20
15
15
16
15
9
21
11
10
1
21
8
19
12
19
11
20
11
150
155
1
10

Highest AQI (US) recorded in

July

114AQI (US)

Lowest AQI (US) recorded in

September

44AQI (US)

202153AQI (US)

18
5
16
14
9
22
12
18
14
17
69
76

Highest AQI (US) recorded in

October

59AQI (US)

Lowest AQI (US) recorded in

August

41AQI (US)

202046AQI (US)

9
4
10
11
7
11
18
11
1
29
2
15
15
1
6
2
94
56
2

Highest AQI (US) recorded in

August

54AQI (US)

Lowest AQI (US) recorded in

July

34AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2022(Avg.)
55AQI (US)
Least Polluted Year Recorded
2026(Avg.)
37AQI (US)

Yatsushiro's annual 2026 AQI (US) (37) shows an average percentage change of -27.6% (improved AQI (US)) compared to previous years: 2020 (46), 2021 (53), 2022 (55), 2023 (54), 2024 (52), 2025 (48).