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

2022
2023
2024
2025
2026
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: 2026 ranks 3rd highest AQI at 29 of Good air quality, showing improvement over 2025 and 2024 on the same day.

Day & Night AQI Trend: 31st Jul - 1st Aug 2026

Yashima, Kumamoto, Japan

AQI
Day
Night
.

5 AM31st Jul 2026

7 PM

4 AM1st Aug 2026

Day time
Avg. Highest Time
8AM31st Jul

56AQI

Avg. Lowest Time
7PM31st Jul

25AQI

Night time
Avg. Highest Time
8PM31st Jul

26AQI

Avg. Lowest Time
1AM1st Aug

22AQI

In the last 24 hours,

Yashima's AQI reached its highest point of 56 at 8 AM during the Day, while the lowest point, 22, was recorded at 1 AM during the Night between 31st Jul and 1st Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Yashima, Kumamoto, Japan

JulAug
03rd - 04th04th - 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
Day
Night
3rd Jul 2026155 AMAQI
3rd Jul 2026246 AMAQI
3rd Jul 2026217 AMAQI
3rd Jul 2026248 AMAQI
3rd Jul 2026219 AMAQI
3rd Jul 20262410 AMAQI
3rd Jul 20262111 AMAQI
3rd Jul 20262212 PMAQI
3rd Jul 2026241 PMAQI
3rd Jul 2026272 PMAQI
3rd Jul 2026193 PMAQI
3rd Jul 2026244 PMAQI
3rd Jul 2026275 PMAQI
3rd Jul 2026256 PMAQI
3rd Jul 2026257 PMAQI
3rd Jul 2026248 PMAQI
3rd Jul 2026269 PMAQI
3rd Jul 20262610 PMAQI
3rd Jul 20262511 PMAQI
4th Jul 20262712 AMAQI
4th Jul 2026261 AMAQI
4th Jul 2026282 AMAQI
4th Jul 2026283 AMAQI
4th Jul 2026244 AMAQI

23°C22/25°C

4th Jul 2026245 AMAQI
4th Jul 2026256 AMAQI
4th Jul 2026257 AMAQI
4th Jul 2026268 AMAQI
4th Jul 2026249 AMAQI
4th Jul 20262710 AMAQI
4th Jul 20262311 AMAQI
4th Jul 20262412 PMAQI
4th Jul 2026241 PMAQI
4th Jul 2026262 PMAQI
4th Jul 2026283 PMAQI
4th Jul 2026284 PMAQI
4th Jul 2026265 PMAQI
4th Jul 2026266 PMAQI
4th Jul 2026257 PMAQI
4th Jul 2026288 PMAQI
4th Jul 2026259 PMAQI
4th Jul 20262610 PMAQI
4th Jul 20262511 PMAQI
5th Jul 20262512 AMAQI
5th Jul 2026261 AMAQI
5th Jul 2026232 AMAQI
5th Jul 2026233 AMAQI
5th Jul 2026244 AMAQI

24°C22/26°C

5th Jul 2026255 AMAQI
5th Jul 2026256 AMAQI
5th Jul 2026247 AMAQI
5th Jul 2026258 AMAQI
5th Jul 2026219 AMAQI
5th Jul 20262010 AMAQI
5th Jul 20261911 AMAQI
5th Jul 20261912 PMAQI
5th Jul 2026191 PMAQI
5th Jul 2026132 PMAQI
5th Jul 2026183 PMAQI
5th Jul 2026204 PMAQI
5th Jul 2026125 PMAQI
5th Jul 2026156 PMAQI
5th Jul 2026197 PMAQI
5th Jul 2026218 PMAQI
5th Jul 2026249 PMAQI
5th Jul 20262110 PMAQI
5th Jul 20262011 PMAQI
6th Jul 20262312 AMAQI
6th Jul 2026271 AMAQI
6th Jul 2026252 AMAQI
6th Jul 2026243 AMAQI
6th Jul 2026234 AMAQI

24°C23/27°C

6th Jul 2026255 AMAQI
6th Jul 2026226 AMAQI
6th Jul 2026187 AMAQI
6th Jul 2026168 AMAQI
6th Jul 2026149 AMAQI
6th Jul 20262510 AMAQI
6th Jul 20263711 AMAQI
6th Jul 20262312 PMAQI
6th Jul 2026221 PMAQI
6th Jul 2026172 PMAQI
6th Jul 2026123 PMAQI
6th Jul 2026194 PMAQI
6th Jul 2026205 PMAQI
6th Jul 2026206 PMAQI
6th Jul 2026237 PMAQI
6th Jul 2026258 PMAQI
6th Jul 2026269 PMAQI
6th Jul 20262610 PMAQI
6th Jul 20262711 PMAQI
7th Jul 20262712 AMAQI
7th Jul 2026281 AMAQI
7th Jul 2026282 AMAQI
7th Jul 2026283 AMAQI
7th Jul 2026254 AMAQI

24°C23/26°C

7th Jul 2026285 AMAQI
7th Jul 2026266 AMAQI
7th Jul 2026247 AMAQI
7th Jul 2026248 AMAQI
7th Jul 2026229 AMAQI
7th Jul 20262510 AMAQI
7th Jul 20262311 AMAQI
7th Jul 20262512 PMAQI
7th Jul 2026221 PMAQI
7th Jul 2026242 PMAQI
7th Jul 2026293 PMAQI
7th Jul 2026254 PMAQI
7th Jul 2026285 PMAQI
7th Jul 2026286 PMAQI
7th Jul 2026287 PMAQI
7th Jul 2026288 PMAQI
7th Jul 2026269 PMAQI
7th Jul 20262710 PMAQI
7th Jul 20262611 PMAQI
8th Jul 20262912 AMAQI
8th Jul 2026311 AMAQI
8th Jul 2026292 AMAQI
8th Jul 2026273 AMAQI
8th Jul 2026264 AMAQI

27°C23/31°C

8th Jul 2026285 AMAQI
8th Jul 2026286 AMAQI
8th Jul 2026297 AMAQI
8th Jul 2026298 AMAQI
8th Jul 2026239 AMAQI
8th Jul 20262510 AMAQI
8th Jul 20262311 AMAQI
8th Jul 20262412 PMAQI
8th Jul 2026231 PMAQI
8th Jul 2026262 PMAQI
8th Jul 2026263 PMAQI
8th Jul 2026274 PMAQI
8th Jul 2026265 PMAQI
8th Jul 2026256 PMAQI
8th Jul 2026207 PMAQI
8th Jul 2026208 PMAQI
8th Jul 2026259 PMAQI
8th Jul 20262610 PMAQI
8th Jul 20262711 PMAQI
9th Jul 20262712 AMAQI
9th Jul 2026221 AMAQI
9th Jul 2026282 AMAQI
9th Jul 2026193 AMAQI
9th Jul 2026224 AMAQI

28°C25/32°C

9th Jul 2026235 AMAQI
9th Jul 2026186 AMAQI
9th Jul 2026177 AMAQI
9th Jul 2026108 AMAQI
9th Jul 2026139 AMAQI
9th Jul 20261110 AMAQI
9th Jul 20262111 AMAQI
9th Jul 20261712 PMAQI
9th Jul 2026211 PMAQI
9th Jul 2026232 PMAQI
9th Jul 2026243 PMAQI
9th Jul 2026244 PMAQI
9th Jul 2026265 PMAQI
9th Jul 2026236 PMAQI
9th Jul 2026247 PMAQI
9th Jul 2026258 PMAQI
9th Jul 2026259 PMAQI
9th Jul 20262510 PMAQI
9th Jul 20262611 PMAQI
10th Jul 20262712 AMAQI
10th Jul 2026271 AMAQI
10th Jul 2026272 AMAQI
10th Jul 2026283 AMAQI
10th Jul 2026244 AMAQI

27°C22/32°C

10th Jul 2026275 AMAQI
10th Jul 2026286 AMAQI
10th Jul 2026277 AMAQI
10th Jul 2026298 AMAQI
10th Jul 2026289 AMAQI
10th Jul 20262810 AMAQI
10th Jul 20261811 AMAQI
10th Jul 20262212 PMAQI
10th Jul 2026231 PMAQI
10th Jul 2026222 PMAQI
10th Jul 2026223 PMAQI
10th Jul 2026254 PMAQI
10th Jul 2026295 PMAQI
10th Jul 2026286 PMAQI
10th Jul 2026287 PMAQI
10th Jul 2026308 PMAQI
10th Jul 2026299 PMAQI
10th Jul 20263110 PMAQI
10th Jul 20263111 PMAQI
11th Jul 20263012 AMAQI
11th Jul 2026321 AMAQI
11th Jul 2026302 AMAQI
11th Jul 2026313 AMAQI
11th Jul 2026274 AMAQI

28°C23/34°C

11th Jul 2026315 AMAQI
11th Jul 2026236 AMAQI
11th Jul 2026137 AMAQI
11th Jul 2026328 AMAQI
11th Jul 2026279 AMAQI
11th Jul 20261710 AMAQI
11th Jul 20261211 AMAQI
11th Jul 20262012 PMAQI
11th Jul 2026221 PMAQI
11th Jul 2026222 PMAQI
11th Jul 2026243 PMAQI
11th Jul 2026254 PMAQI
11th Jul 2026315 PMAQI
11th Jul 2026276 PMAQI
11th Jul 2026287 PMAQI
11th Jul 2026268 PMAQI
11th Jul 2026299 PMAQI
11th Jul 20263010 PMAQI
11th Jul 20263111 PMAQI
12th Jul 20263112 AMAQI
12th Jul 2026241 AMAQI
12th Jul 2026242 AMAQI
12th Jul 2026273 AMAQI
12th Jul 2026254 AMAQI

29°C24/35°C

12th Jul 2026295 AMAQI
12th Jul 2026246 AMAQI
12th Jul 2026287 AMAQI
12th Jul 2026278 AMAQI
12th Jul 2026279 AMAQI
12th Jul 20262810 AMAQI
12th Jul 20262411 AMAQI
12th Jul 20262512 PMAQI
12th Jul 2026241 PMAQI
12th Jul 2026212 PMAQI
12th Jul 2026233 PMAQI
12th Jul 2026294 PMAQI
12th Jul 2026335 PMAQI
12th Jul 2026326 PMAQI
12th Jul 2026327 PMAQI
12th Jul 2026318 PMAQI
12th Jul 2026309 PMAQI
12th Jul 20263310 PMAQI
12th Jul 20263011 PMAQI
13th Jul 20263312 AMAQI
13th Jul 2026321 AMAQI
13th Jul 2026322 AMAQI
13th Jul 2026303 AMAQI
13th Jul 2026304 AMAQI

30°C25/35°C

13th Jul 2026295 AMAQI
13th Jul 2026296 AMAQI
13th Jul 2026297 AMAQI
13th Jul 2026298 AMAQI
13th Jul 2026329 AMAQI
13th Jul 20263210 AMAQI
13th Jul 20262711 AMAQI
13th Jul 20262412 PMAQI
13th Jul 2026231 PMAQI
13th Jul 2026232 PMAQI
13th Jul 2026233 PMAQI
13th Jul 2026264 PMAQI
13th Jul 2026305 PMAQI
13th Jul 2026316 PMAQI
13th Jul 2026337 PMAQI
13th Jul 2026308 PMAQI
13th Jul 2026349 PMAQI
13th Jul 20263310 PMAQI
13th Jul 20263311 PMAQI
14th Jul 20263412 AMAQI
14th Jul 2026331 AMAQI
14th Jul 2026322 AMAQI
14th Jul 2026323 AMAQI
14th Jul 2026284 AMAQI

29°C26/32°C

14th Jul 2026305 AMAQI
14th Jul 2026316 AMAQI
14th Jul 2026307 AMAQI
14th Jul 2026288 AMAQI
14th Jul 2026319 AMAQI
14th Jul 20263210 AMAQI
14th Jul 20262511 AMAQI
14th Jul 20262212 PMAQI
14th Jul 2026211 PMAQI
14th Jul 2026212 PMAQI
14th Jul 2026223 PMAQI
14th Jul 2026244 PMAQI
14th Jul 2026305 PMAQI
14th Jul 2026316 PMAQI
14th Jul 2026317 PMAQI
14th Jul 2026318 PMAQI
14th Jul 2026329 PMAQI
14th Jul 20263210 PMAQI
14th Jul 20263211 PMAQI
15th Jul 20263412 AMAQI
15th Jul 2026321 AMAQI
15th Jul 2026312 AMAQI
15th Jul 2026313 AMAQI
15th Jul 2026274 AMAQI

28°C25/33°C

15th Jul 2026315 AMAQI
15th Jul 2026256 AMAQI
15th Jul 2026297 AMAQI
15th Jul 2026308 AMAQI
15th Jul 2026289 AMAQI
15th Jul 20263210 AMAQI
15th Jul 20262611 AMAQI
15th Jul 20262412 PMAQI
15th Jul 2026221 PMAQI
15th Jul 2026212 PMAQI
15th Jul 2026223 PMAQI
15th Jul 2026224 PMAQI
15th Jul 2026255 PMAQI
15th Jul 2026256 PMAQI
15th Jul 2026237 PMAQI
15th Jul 2026268 PMAQI
15th Jul 2026259 PMAQI
15th Jul 20262710 PMAQI
15th Jul 20262711 PMAQI
16th Jul 20262812 AMAQI
16th Jul 2026281 AMAQI
16th Jul 2026302 AMAQI
16th Jul 2026293 AMAQI
16th Jul 2026274 AMAQI

27°C25/30°C

16th Jul 2026325 AMAQI
16th Jul 2026316 AMAQI
16th Jul 2026287 AMAQI
16th Jul 2026288 AMAQI
16th Jul 2026299 AMAQI
16th Jul 20262910 AMAQI
16th Jul 20262811 AMAQI
16th Jul 20262812 PMAQI
16th Jul 2026241 PMAQI
16th Jul 2026242 PMAQI
16th Jul 2026243 PMAQI
16th Jul 2026244 PMAQI
16th Jul 2026285 PMAQI
16th Jul 2026276 PMAQI
16th Jul 2026287 PMAQI
16th Jul 2026308 PMAQI
16th Jul 2026309 PMAQI
16th Jul 20262810 PMAQI
16th Jul 20262911 PMAQI
17th Jul 20262912 AMAQI
17th Jul 2026291 AMAQI
17th Jul 2026292 AMAQI
17th Jul 2026303 AMAQI
17th Jul 2026284 AMAQI

27°C25/30°C

17th Jul 2026295 AMAQI
17th Jul 2026296 AMAQI
17th Jul 2026297 AMAQI
17th Jul 2026258 AMAQI
17th Jul 2026279 AMAQI
17th Jul 20263010 AMAQI
17th Jul 20262811 AMAQI
17th Jul 20262712 PMAQI
17th Jul 2026281 PMAQI
17th Jul 2026242 PMAQI
17th Jul 2026243 PMAQI
17th Jul 2026284 PMAQI
17th Jul 2026295 PMAQI
17th Jul 2026286 PMAQI
17th Jul 2026287 PMAQI
17th Jul 2026318 PMAQI
17th Jul 2026319 PMAQI
17th Jul 20263210 PMAQI
17th Jul 20263111 PMAQI
18th Jul 20263112 AMAQI
18th Jul 2026321 AMAQI
18th Jul 2026302 AMAQI
18th Jul 2026303 AMAQI
18th Jul 2026304 AMAQI

28°C26/32°C

18th Jul 2026315 AMAQI
18th Jul 2026316 AMAQI
18th Jul 2026307 AMAQI
18th Jul 2026298 AMAQI
18th Jul 2026319 AMAQI
18th Jul 20263010 AMAQI
18th Jul 20262911 AMAQI
18th Jul 20263212 PMAQI
18th Jul 2026331 PMAQI
18th Jul 2026342 PMAQI
18th Jul 2026303 PMAQI
18th Jul 2026404 PMAQI
18th Jul 2026475 PMAQI
18th Jul 2026436 PMAQI
18th Jul 2026417 PMAQI
18th Jul 2026408 PMAQI
18th Jul 2026369 PMAQI
18th Jul 20263010 PMAQI
18th Jul 20263111 PMAQI
19th Jul 20262812 AMAQI
19th Jul 2026271 AMAQI
19th Jul 2026272 AMAQI
19th Jul 2026293 AMAQI
19th Jul 2026304 AMAQI

29°C25/32°C

19th Jul 2026305 AMAQI
19th Jul 2026306 AMAQI
19th Jul 2026287 AMAQI
19th Jul 2026298 AMAQI
19th Jul 2026309 AMAQI
19th Jul 20263910 AMAQI
19th Jul 20264411 AMAQI
19th Jul 20264812 PMAQI
19th Jul 2026471 PMAQI
19th Jul 2026392 PMAQI
19th Jul 2026373 PMAQI
19th Jul 2026344 PMAQI
19th Jul 2026335 PMAQI
19th Jul 2026346 PMAQI
19th Jul 2026327 PMAQI
19th Jul 2026368 PMAQI
19th Jul 2026349 PMAQI
19th Jul 20262910 PMAQI
19th Jul 20262811 PMAQI
20th Jul 20262712 AMAQI
20th Jul 2026261 AMAQI
20th Jul 2026282 AMAQI
20th Jul 2026273 AMAQI
20th Jul 2026274 AMAQI

30°C26/34°C

20th Jul 2026255 AMAQI
20th Jul 2026256 AMAQI
20th Jul 2026247 AMAQI
20th Jul 2026258 AMAQI
20th Jul 2026299 AMAQI
20th Jul 20262710 AMAQI
20th Jul 20262711 AMAQI
20th Jul 20263012 PMAQI
20th Jul 2026351 PMAQI
20th Jul 2026372 PMAQI
20th Jul 2026373 PMAQI
20th Jul 2026344 PMAQI
20th Jul 2026285 PMAQI
20th Jul 2026276 PMAQI
20th Jul 2026277 PMAQI
20th Jul 2026288 PMAQI
20th Jul 2026289 PMAQI
20th Jul 20262810 PMAQI
20th Jul 20262911 PMAQI
21st Jul 20262712 AMAQI
21st Jul 2026271 AMAQI
21st Jul 2026272 AMAQI
21st Jul 2026263 AMAQI
21st Jul 2026274 AMAQI

29°C26/34°C

21st Jul 2026245 AMAQI
21st Jul 2026266 AMAQI
21st Jul 2026277 AMAQI
21st Jul 2026268 AMAQI
21st Jul 2026269 AMAQI
21st Jul 20262710 AMAQI
21st Jul 20262811 AMAQI
21st Jul 2026271 PMAQI
21st Jul 2026272 PMAQI
21st Jul 2026283 PMAQI
21st Jul 2026294 PMAQI
21st Jul 2026315 PMAQI
21st Jul 2026346 PMAQI
21st Jul 2026807 PMAQI
21st Jul 2026358 PMAQI
21st Jul 2026409 PMAQI
21st Jul 20264710 PMAQI
21st Jul 20264611 PMAQI
22nd Jul 20263712 AMAQI
22nd Jul 2026311 AMAQI
22nd Jul 2026312 AMAQI
22nd Jul 2026303 AMAQI
22nd Jul 2026284 AMAQI

30°C26/34°C

22nd Jul 2026285 AMAQI
22nd Jul 2026296 AMAQI
22nd Jul 2026297 AMAQI
22nd Jul 2026308 AMAQI
22nd Jul 2026279 AMAQI
22nd Jul 20262710 AMAQI
22nd Jul 20262811 AMAQI
22nd Jul 20262812 PMAQI
22nd Jul 2026281 PMAQI
22nd Jul 2026292 PMAQI
22nd Jul 2026303 PMAQI
22nd Jul 2026314 PMAQI
22nd Jul 2026505 PMAQI
22nd Jul 2026486 PMAQI
22nd Jul 2026527 PMAQI
22nd Jul 2026448 PMAQI
22nd Jul 2026529 PMAQI
22nd Jul 20263710 PMAQI
22nd Jul 20263711 PMAQI
23rd Jul 20263112 AMAQI
23rd Jul 2026301 AMAQI
23rd Jul 2026292 AMAQI
23rd Jul 2026293 AMAQI
23rd Jul 2026284 AMAQI

30°C26/35°C

23rd Jul 2026275 AMAQI
23rd Jul 2026286 AMAQI
23rd Jul 2026267 AMAQI
23rd Jul 2026268 AMAQI
23rd Jul 2026259 AMAQI
23rd Jul 20262810 AMAQI
23rd Jul 20263311 AMAQI
23rd Jul 20263112 PMAQI
23rd Jul 2026371 PMAQI
23rd Jul 2026372 PMAQI
23rd Jul 2026453 PMAQI
23rd Jul 2026414 PMAQI
23rd Jul 2026555 PMAQI
23rd Jul 2026526 PMAQI
23rd Jul 2026497 PMAQI
23rd Jul 2026378 PMAQI
23rd Jul 2026309 PMAQI
23rd Jul 20262610 PMAQI
23rd Jul 20262411 PMAQI
24th Jul 20262512 AMAQI
24th Jul 2026241 AMAQI
24th Jul 2026242 AMAQI
24th Jul 2026243 AMAQI
24th Jul 2026224 AMAQI

30°C27/34°C

24th Jul 2026225 AMAQI
24th Jul 2026256 AMAQI
24th Jul 2026257 AMAQI
24th Jul 2026268 AMAQI
24th Jul 2026289 AMAQI
24th Jul 20262610 AMAQI
24th Jul 20262611 AMAQI
24th Jul 20264212 PMAQI
24th Jul 2026551 PMAQI
24th Jul 2026552 PMAQI
24th Jul 2026573 PMAQI
24th Jul 2026574 PMAQI
24th Jul 2026575 PMAQI
24th Jul 2026576 PMAQI
24th Jul 2026547 PMAQI
24th Jul 2026558 PMAQI
24th Jul 2026539 PMAQI
24th Jul 20265010 PMAQI
24th Jul 20264611 PMAQI
25th Jul 20264712 AMAQI
25th Jul 2026411 AMAQI
25th Jul 2026432 AMAQI
25th Jul 2026393 AMAQI
25th Jul 2026374 AMAQI

30°C26/35°C

25th Jul 2026395 AMAQI
25th Jul 2026396 AMAQI
25th Jul 2026407 AMAQI
25th Jul 2026408 AMAQI
25th Jul 2026379 AMAQI
25th Jul 20263110 AMAQI
25th Jul 20263311 AMAQI
25th Jul 20264612 PMAQI
25th Jul 2026501 PMAQI
25th Jul 2026512 PMAQI
25th Jul 2026403 PMAQI
25th Jul 2026314 PMAQI
25th Jul 2026285 PMAQI
25th Jul 2026266 PMAQI
25th Jul 2026307 PMAQI
25th Jul 2026308 PMAQI
25th Jul 2026309 PMAQI
25th Jul 20262810 PMAQI
25th Jul 20263011 PMAQI
26th Jul 20262712 AMAQI
26th Jul 2026241 AMAQI
26th Jul 2026262 AMAQI
26th Jul 2026243 AMAQI
26th Jul 2026254 AMAQI

30°C26/36°C

26th Jul 2026225 AMAQI
26th Jul 2026236 AMAQI
26th Jul 2026227 AMAQI
26th Jul 2026248 AMAQI
26th Jul 2026219 AMAQI
26th Jul 20262610 AMAQI
26th Jul 20262511 AMAQI
26th Jul 20262412 PMAQI
26th Jul 2026261 PMAQI
26th Jul 2026242 PMAQI
26th Jul 2026243 PMAQI
26th Jul 2026264 PMAQI
26th Jul 2026305 PMAQI
26th Jul 2026266 PMAQI
26th Jul 2026237 PMAQI
26th Jul 2026308 PMAQI
26th Jul 2026269 PMAQI
26th Jul 20262210 PMAQI
26th Jul 20262211 PMAQI
27th Jul 20262412 AMAQI
27th Jul 2026261 AMAQI
27th Jul 2026232 AMAQI
27th Jul 2026213 AMAQI
27th Jul 2026214 AMAQI

31°C26/37°C

27th Jul 2026215 AMAQI
27th Jul 2026226 AMAQI
27th Jul 2026247 AMAQI
27th Jul 2026218 AMAQI
27th Jul 2026259 AMAQI
27th Jul 20263510 AMAQI
27th Jul 20262311 AMAQI
27th Jul 20262812 PMAQI
27th Jul 2026301 PMAQI
27th Jul 2026372 PMAQI
27th Jul 2026433 PMAQI
27th Jul 2026344 PMAQI
27th Jul 2026355 PMAQI
27th Jul 2026396 PMAQI
27th Jul 2026377 PMAQI
27th Jul 2026398 PMAQI
27th Jul 2026419 PMAQI
27th Jul 20263210 PMAQI
27th Jul 20262411 PMAQI
28th Jul 20262412 AMAQI
28th Jul 2026271 AMAQI
28th Jul 2026272 AMAQI
28th Jul 2026283 AMAQI
28th Jul 2026284 AMAQI

32°C27/38°C

28th Jul 2026315 AMAQI
28th Jul 2026316 AMAQI
28th Jul 2026307 AMAQI
28th Jul 2026308 AMAQI
28th Jul 2026339 AMAQI
28th Jul 20263310 AMAQI
28th Jul 20263211 AMAQI
28th Jul 20262912 PMAQI
28th Jul 2026311 PMAQI
28th Jul 2026312 PMAQI
28th Jul 2026303 PMAQI
28th Jul 2026294 PMAQI
28th Jul 2026285 PMAQI
28th Jul 2026276 PMAQI
28th Jul 2026257 PMAQI
28th Jul 2026268 PMAQI
28th Jul 2026279 PMAQI
28th Jul 20262810 PMAQI
28th Jul 20263911 PMAQI
29th Jul 20264112 AMAQI
29th Jul 2026391 AMAQI
29th Jul 2026312 AMAQI
29th Jul 2026293 AMAQI
29th Jul 2026224 AMAQI

30°C26/36°C

29th Jul 2026225 AMAQI
29th Jul 2026266 AMAQI
29th Jul 2026297 AMAQI
29th Jul 2026358 AMAQI
29th Jul 2026219 AMAQI
29th Jul 20262510 AMAQI
29th Jul 20262311 AMAQI
29th Jul 20262812 PMAQI
29th Jul 2026291 PMAQI
29th Jul 2026222 PMAQI
29th Jul 2026223 PMAQI
29th Jul 2026234 PMAQI
29th Jul 2026225 PMAQI
29th Jul 2026266 PMAQI
29th Jul 2026227 PMAQI
29th Jul 2026268 PMAQI
29th Jul 2026289 PMAQI
29th Jul 20262610 PMAQI
29th Jul 20262611 PMAQI
30th Jul 20262812 AMAQI
30th Jul 2026211 AMAQI
30th Jul 2026252 AMAQI
30th Jul 2026263 AMAQI
30th Jul 2026284 AMAQI

28°C25/31°C

30th Jul 2026295 AMAQI
30th Jul 2026336 AMAQI
30th Jul 2026297 AMAQI
30th Jul 2026278 AMAQI
30th Jul 2026229 AMAQI
30th Jul 20262310 AMAQI
30th Jul 20262311 AMAQI
30th Jul 20263612 PMAQI
30th Jul 2026341 PMAQI
30th Jul 2026262 PMAQI
30th Jul 2026263 PMAQI
30th Jul 2026254 PMAQI
30th Jul 2026255 PMAQI
30th Jul 2026286 PMAQI
30th Jul 2026277 PMAQI
30th Jul 2026258 PMAQI
30th Jul 2026249 PMAQI
30th Jul 20262410 PMAQI
30th Jul 20262511 PMAQI
31st Jul 20262612 AMAQI
31st Jul 2026251 AMAQI
31st Jul 2026292 AMAQI
31st Jul 2026443 AMAQI
31st Jul 2026384 AMAQI

30°C26/34°C

31st Jul 2026415 AMAQI
31st Jul 2026456 AMAQI
31st Jul 2026517 AMAQI
31st Jul 2026568 AMAQI
31st Jul 2026499 AMAQI
31st Jul 20262510 AMAQI
31st Jul 20263211 AMAQI
31st Jul 20262612 PMAQI
31st Jul 2026301 PMAQI
31st Jul 2026282 PMAQI
31st Jul 2026263 PMAQI
31st Jul 2026264 PMAQI
31st Jul 2026275 PMAQI
31st Jul 2026256 PMAQI
31st Jul 2026257 PMAQI
31st Jul 2026268 PMAQI
31st Jul 2026249 PMAQI
31st Jul 20262610 PMAQI
31st Jul 20262311 PMAQI
1st Aug 20262412 AMAQI
1st Aug 2026221 AMAQI
1st Aug 2026232 AMAQI
1st Aug 2026233 AMAQI
1st Aug 2026234 AMAQI

29°C25/35°C

1st Aug 2026235 AMAQI
5 AM
1st Aug 2026236 AMAQI
1st Aug 2026257 AMAQI
1st Aug 2026238 AMAQI
1st Aug 2026239 AMAQI
1st Aug 20262810 AMAQI
1st Aug 20262711 AMAQI
1st Aug 20262612 PMAQI
12 PM
1st Aug 2026241 PMAQI
1st Aug 2026282 PMAQI
1st Aug 2026273 PMAQI
1st Aug 2026274 PMAQI
1st Aug 2026285 PMAQI
1st Aug 2026306 PMAQI
1st Aug 2026317 PMAQI
7 PM
1st Aug 2026418 PMAQI
1st Aug 2026539 PMAQI
1st Aug 20264510 PMAQI
1st Aug 20264711 PMAQI
12 AM
4 AM

30°C25/36°C

Day time
Avg. Highest Time
7 PM

32AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
9 AM

26AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 7 PM (Avg. 32), while the lowest AQI was between 9 AM to 9 AM (Avg. 26).
Night time
Avg. Highest Time
8 PM - 9 PM

31AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
4 AM

27AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 9 PM (Avg. 31), while the lowest AQI was between 4 AM to 4 AM (Avg. 27).

2026 Days Vs Air Quality

Yashima, Kumamoto, Japan

2026

85%

181

15%

32

Total number of days with different AQI categories in last 213 days in 2026 (152 days remaining)

Good
181 Days
Moderate
32 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 213 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 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
25AQI (US)
2nd January 2026
20AQI (US)
3rd January 2026
24AQI (US)
4th January 2026
41AQI (US)
5th January 2026
50AQI (US)
6th January 2026
40AQI (US)
7th January 2026
44AQI (US)
8th January 2026
41AQI (US)
9th January 2026
30AQI (US)
10th January 2026
33AQI (US)
11th January 2026
35AQI (US)
12th January 2026
36AQI (US)
13th January 2026
41AQI (US)
14th January 2026
45AQI (US)
15th January 2026
50AQI (US)
16th January 2026
44AQI (US)
17th January 2026
54AQI (US)
18th January 2026
58AQI (US)
19th January 2026
66AQI (US)
20th January 2026
39AQI (US)
21st January 2026
21AQI (US)
22nd January 2026
30AQI (US)
23rd January 2026
39AQI (US)
24th January 2026
52AQI (US)
25th January 2026
31AQI (US)
26th January 2026
23AQI (US)
27th January 2026
39AQI (US)
28th January 2026
37AQI (US)
29th January 2026
42AQI (US)
30th January 2026
41AQI (US)
31st January 2026
27AQI (US)
1st February 2026
49AQI (US)
2nd February 2026
47AQI (US)
3rd February 2026
42AQI (US)
4th February 2026
41AQI (US)
5th February 2026
42AQI (US)
6th February 2026
42AQI (US)
7th February 2026
35AQI (US)
8th February 2026
21AQI (US)
9th February 2026
42AQI (US)
10th February 2026
45AQI (US)
11th February 2026
44AQI (US)
12th February 2026
47AQI (US)
13th February 2026
48AQI (US)
14th February 2026
50AQI (US)
15th February 2026
45AQI (US)
16th February 2026
60AQI (US)
17th February 2026
35AQI (US)
18th February 2026
29AQI (US)
19th February 2026
63AQI (US)
20th February 2026
44AQI (US)
21st February 2026
48AQI (US)
22nd February 2026
35AQI (US)
23rd February 2026
37AQI (US)
24th February 2026
38AQI (US)
25th February 2026
28AQI (US)
26th February 2026
18AQI (US)
27th February 2026
40AQI (US)
28th February 2026
38AQI (US)
1st March 2026
37AQI (US)
2nd March 2026
30AQI (US)
3rd March 2026
14AQI (US)
4th March 2026
41AQI (US)
5th March 2026
47AQI (US)
6th March 2026
49AQI (US)
7th March 2026
47AQI (US)
8th March 2026
39AQI (US)
9th March 2026
45AQI (US)
10th March 2026
57AQI (US)
11th March 2026
42AQI (US)
12th March 2026
48AQI (US)
13th March 2026
37AQI (US)
14th March 2026
44AQI (US)
15th March 2026
58AQI (US)
16th March 2026
51AQI (US)
17th March 2026
51AQI (US)
18th March 2026
55AQI (US)
19th March 2026
27AQI (US)
20th March 2026
54AQI (US)
21st March 2026
38AQI (US)
22nd March 2026
44AQI (US)
23rd March 2026
19AQI (US)
24th March 2026
52AQI (US)
25th March 2026
29AQI (US)
26th March 2026
24AQI (US)
27th March 2026
58AQI (US)
28th March 2026
82AQI (US)
29th March 2026
97AQI (US)
30th March 2026
59AQI (US)
31st March 2026
26AQI (US)
1st April 2026
19AQI (US)
2nd April 2026
54AQI (US)
3rd April 2026
52AQI (US)
4th April 2026
43AQI (US)
5th April 2026
44AQI (US)
6th April 2026
56AQI (US)
7th April 2026
39AQI (US)
8th April 2026
32AQI (US)
9th April 2026
35AQI (US)
10th April 2026
44AQI (US)
11th April 2026
34AQI (US)
12th April 2026
35AQI (US)
13th April 2026
34AQI (US)
14th April 2026
35AQI (US)
15th April 2026
31AQI (US)
16th April 2026
35AQI (US)
17th April 2026
35AQI (US)
18th April 2026
30AQI (US)
19th April 2026
24AQI (US)
20th April 2026
25AQI (US)
21st April 2026
37AQI (US)
22nd April 2026
44AQI (US)
23rd April 2026
19AQI (US)
24th April 2026
21AQI (US)
25th April 2026
42AQI (US)
26th April 2026
46AQI (US)
27th April 2026
53AQI (US)
28th April 2026
47AQI (US)
29th April 2026
37AQI (US)
30th April 2026
30AQI (US)
1st May 2026
37AQI (US)
2nd May 2026
54AQI (US)
3rd May 2026
34AQI (US)
4th May 2026
27AQI (US)
5th May 2026
25AQI (US)
6th May 2026
31AQI (US)
7th May 2026
31AQI (US)
8th May 2026
28AQI (US)
9th May 2026
31AQI (US)
10th May 2026
35AQI (US)
11th May 2026
43AQI (US)
12th May 2026
29AQI (US)
13th May 2026
34AQI (US)
14th May 2026
30AQI (US)
15th May 2026
39AQI (US)
16th May 2026
78AQI (US)
17th May 2026
63AQI (US)
18th May 2026
53AQI (US)
19th May 2026
46AQI (US)
20th May 2026
61AQI (US)
21st May 2026
65AQI (US)
22nd May 2026
69AQI (US)
23rd May 2026
62AQI (US)
24th May 2026
63AQI (US)
25th May 2026
54AQI (US)
26th May 2026
41AQI (US)
27th May 2026
24AQI (US)
28th May 2026
25AQI (US)
29th May 2026
26AQI (US)
30th May 2026
31AQI (US)
31st May 2026
47AQI (US)
1st June 2026
64AQI (US)
2nd June 2026
13AQI (US)
3rd June 2026
16AQI (US)
4th June 2026
25AQI (US)
5th June 2026
23AQI (US)
6th June 2026
34AQI (US)
7th June 2026
14AQI (US)
8th June 2026
22AQI (US)
9th June 2026
24AQI (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
21AQI (US)
16th June 2026
24AQI (US)
17th June 2026
23AQI (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
21AQI (US)
24th June 2026
19AQI (US)
25th June 2026
28AQI (US)
26th June 2026
27AQI (US)
27th June 2026
27AQI (US)
28th June 2026
27AQI (US)
29th June 2026
26AQI (US)
30th June 2026
25AQI (US)
1st July 2026
20AQI (US)
2nd July 2026
20AQI (US)
3rd July 2026
23AQI (US)
4th July 2026
26AQI (US)
5th July 2026
21AQI (US)
6th July 2026
22AQI (US)
7th July 2026
26AQI (US)
8th July 2026
26AQI (US)
9th July 2026
22AQI (US)
10th July 2026
27AQI (US)
11th July 2026
26AQI (US)
12th July 2026
27AQI (US)
13th July 2026
29AQI (US)
14th July 2026
29AQI (US)
15th July 2026
27AQI (US)
16th July 2026
28AQI (US)
17th July 2026
29AQI (US)
18th July 2026
33AQI (US)
19th July 2026
33AQI (US)
20th July 2026
29AQI (US)
21st July 2026
32AQI (US)
22nd July 2026
34AQI (US)
23rd July 2026
33AQI (US)
24th July 2026
39AQI (US)
25th July 2026
37AQI (US)
26th July 2026
25AQI (US)
27th July 2026
29AQI (US)
28th July 2026
29AQI (US)
29th July 2026
27AQI (US)
30th July 2026
27AQI (US)
31st July 2026
32AQI (US)
1st August 2026
29AQI (US)
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
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

39AQI (US)

41AQI (US)

45AQI (US)

37AQI (US)

42AQI (US)

25AQI (US)

28AQI (US)

29AQI (US)

No. of days

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

202637AQI (US)

27
4
26
2
20
11
26
4
21
10
29
1
31
1
181
32

Highest AQI (US) recorded in

March

45AQI (US)

Lowest AQI (US) recorded in

June

25AQI (US)

202545AQI (US)

22
9
26
2
19
12
22
8
25
6
25
5
20
10
1
30
1
30
6
25
9
21
14
17
248
116
1

Highest AQI (US) recorded in

October

57AQI (US)

Lowest AQI (US) recorded in

September

32AQI (US)

202448AQI (US)

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 (US) recorded in

January

65AQI (US)

Lowest AQI (US) recorded in

July

33AQI (US)

202345AQI (US)

20
9
1
15
13
16
15
13
17
20
11
17
13
26
5
27
4
24
6
22
9
17
12
20
10
237
124
1

Highest AQI (US) recorded in

April

53AQI (US)

Lowest AQI (US) recorded in

August

32AQI (US)

202246AQI (US)

22
8
14
7
21
10
20
10
15
16
21
9
16
6
2
1
22
7
20
11
17
13
20
11
210
109

Highest AQI (US) recorded in

May

53AQI (US)

Lowest AQI (US) recorded in

August

34AQI (US)

202143AQI (US)

19
11
19
9
17
12
17
4
17
14
15
15
27
4
31
25
5
14
17
17
13
23
8
241
112

Highest AQI (US) recorded in

May

50AQI (US)

Lowest AQI (US) recorded in

August

29AQI (US)

202047AQI (US)

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 (US) recorded in

May

55AQI (US)

Lowest AQI (US) recorded in

July

31AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2024(Avg.)
48AQI (US)
Least Polluted Year Recorded
2026(Avg.)
37AQI (US)

Yashima's annual 2026 AQI (US) (37) shows an average percentage change of -18.8% (improved AQI (US)) compared to previous years: 2020 (47), 2021 (43), 2022 (46), 2023 (45), 2024 (48), 2025 (45).