Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Hikimizu, Ozu, 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

Hikimizu, Ozu, Kumamoto, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
15th Aug 2024
74AQI
Lowest AQI recorded on
28th Aug 2024
13AQI

Same Day Analysis (14th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 46 of Good air quality, showing improvement over 2024 and 2023 on the same day.

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

Hikimizu, Ozu, Kumamoto, Japan

AQI
Day
Night
.

5 AM13th Aug 2026

7 PM

4 AM14th Aug 2026

Day time
Avg. Highest Time
3PM13th Aug

68AQI

Avg. Lowest Time
11AM13th Aug

25AQI

Night time
Avg. Highest Time
8PM13th Aug

40AQI

Avg. Lowest Time
1AM14th Aug

21AQI

In the last 24 hours,

Hikimizu's AQI reached its highest point of 68 at 3 PM during the Day, while the lowest point, 21, was recorded at 1 AM during the Night between 13th Aug and 14th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Hikimizu, Ozu, 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 2026305 AMAQI
16th Jul 2026306 AMAQI
16th Jul 2026307 AMAQI
16th Jul 2026298 AMAQI
16th Jul 2026309 AMAQI
16th Jul 20262610 AMAQI
16th Jul 20262611 AMAQI
16th Jul 20262812 PMAQI
16th Jul 2026241 PMAQI
16th Jul 2026242 PMAQI
16th Jul 2026243 PMAQI
16th Jul 2026224 PMAQI
16th Jul 2026245 PMAQI
16th Jul 2026266 PMAQI
16th Jul 2026287 PMAQI
16th Jul 2026268 PMAQI
16th Jul 2026319 PMAQI
16th Jul 20262610 PMAQI
16th Jul 20262811 PMAQI
17th Jul 20262912 AMAQI
17th Jul 2026301 AMAQI
17th Jul 2026302 AMAQI
17th Jul 2026283 AMAQI
17th Jul 2026304 AMAQI

27°C25/29°C

17th Jul 2026285 AMAQI
17th Jul 2026306 AMAQI
17th Jul 2026307 AMAQI
17th Jul 2026268 AMAQI
17th Jul 2026269 AMAQI
17th Jul 20262810 AMAQI
17th Jul 20262811 AMAQI
17th Jul 20262812 PMAQI
17th Jul 2026281 PMAQI
17th Jul 2026252 PMAQI
17th Jul 2026243 PMAQI
17th Jul 2026314 PMAQI
17th Jul 2026335 PMAQI
17th Jul 2026336 PMAQI
17th Jul 2026337 PMAQI
17th Jul 2026298 PMAQI
17th Jul 2026349 PMAQI
17th Jul 20263310 PMAQI
17th Jul 20263611 PMAQI
18th Jul 20263312 AMAQI
18th Jul 2026311 AMAQI
18th Jul 2026312 AMAQI
18th Jul 2026293 AMAQI
18th Jul 2026314 AMAQI

28°C25/32°C

18th Jul 2026335 AMAQI
18th Jul 2026316 AMAQI
18th Jul 2026317 AMAQI
18th Jul 2026298 AMAQI
18th Jul 2026299 AMAQI
18th Jul 20262710 AMAQI
18th Jul 20262911 AMAQI
18th Jul 20263112 PMAQI
18th Jul 2026381 PMAQI
18th Jul 2026462 PMAQI
18th Jul 2026513 PMAQI
18th Jul 2026534 PMAQI
18th Jul 2026545 PMAQI
18th Jul 2026486 PMAQI
18th Jul 2026427 PMAQI
18th Jul 2026388 PMAQI
18th Jul 2026349 PMAQI
18th Jul 20263310 PMAQI
18th Jul 20262911 PMAQI
19th Jul 20262712 AMAQI
19th Jul 2026271 AMAQI
19th Jul 2026292 AMAQI
19th Jul 2026293 AMAQI
19th Jul 2026344 AMAQI

28°C25/32°C

19th Jul 2026305 AMAQI
19th Jul 2026296 AMAQI
19th Jul 2026277 AMAQI
19th Jul 2026258 AMAQI
19th Jul 2026259 AMAQI
19th Jul 20265310 AMAQI
19th Jul 20265211 AMAQI
19th Jul 20265612 PMAQI
19th Jul 2026601 PMAQI
19th Jul 2026532 PMAQI
19th Jul 2026443 PMAQI
19th Jul 2026384 PMAQI
19th Jul 2026385 PMAQI
19th Jul 2026386 PMAQI
19th Jul 2026407 PMAQI
19th Jul 2026428 PMAQI
19th Jul 2026409 PMAQI
19th Jul 20263410 PMAQI
19th Jul 20262911 PMAQI
20th Jul 20262912 AMAQI
20th Jul 2026251 AMAQI
20th Jul 2026292 AMAQI
20th Jul 2026273 AMAQI
20th Jul 2026274 AMAQI

29°C24/34°C

20th Jul 2026255 AMAQI
20th Jul 2026256 AMAQI
20th Jul 2026227 AMAQI
20th Jul 2026228 AMAQI
20th Jul 2026279 AMAQI
20th Jul 20262710 AMAQI
20th Jul 20262911 AMAQI
20th Jul 20262912 PMAQI
20th Jul 2026381 PMAQI
20th Jul 2026462 PMAQI
20th Jul 2026483 PMAQI
20th Jul 2026424 PMAQI
20th Jul 2026365 PMAQI
20th Jul 2026336 PMAQI
20th Jul 2026337 PMAQI
20th Jul 2026338 PMAQI
20th Jul 2026319 PMAQI
20th Jul 20263310 PMAQI
20th Jul 20263311 PMAQI
21st Jul 20262912 AMAQI
21st Jul 2026291 AMAQI
21st Jul 2026292 AMAQI
21st Jul 2026293 AMAQI
21st Jul 2026294 AMAQI

29°C25/34°C

21st Jul 2026295 AMAQI
21st Jul 2026296 AMAQI
21st Jul 2026317 AMAQI
21st Jul 2026318 AMAQI
21st Jul 2026299 AMAQI
21st Jul 20262910 AMAQI
21st Jul 20262911 AMAQI
21st Jul 2026311 PMAQI
21st Jul 2026312 PMAQI
21st Jul 2026403 PMAQI
21st Jul 2026424 PMAQI
21st Jul 2026535 PMAQI
21st Jul 2026586 PMAQI
21st Jul 2026947 PMAQI
21st Jul 2026628 PMAQI
21st Jul 2026629 PMAQI
21st Jul 20266010 PMAQI
21st Jul 20265911 PMAQI
22nd Jul 20265612 AMAQI
22nd Jul 2026501 AMAQI
22nd Jul 2026502 AMAQI
22nd Jul 2026523 AMAQI
22nd Jul 2026424 AMAQI

29°C25/34°C

22nd Jul 2026315 AMAQI
22nd Jul 2026336 AMAQI
22nd Jul 2026317 AMAQI
22nd Jul 2026318 AMAQI
22nd Jul 2026319 AMAQI
22nd Jul 20263310 AMAQI
22nd Jul 20262911 AMAQI
22nd Jul 20263312 PMAQI
22nd Jul 2026381 PMAQI
22nd Jul 2026332 PMAQI
22nd Jul 2026363 PMAQI
22nd Jul 2026384 PMAQI
22nd Jul 2026675 PMAQI
22nd Jul 2026566 PMAQI
22nd Jul 2026667 PMAQI
22nd Jul 2026568 PMAQI
22nd Jul 2026719 PMAQI
22nd Jul 20264410 PMAQI
22nd Jul 20264211 PMAQI
23rd Jul 20263312 AMAQI
23rd Jul 2026271 AMAQI
23rd Jul 2026252 AMAQI
23rd Jul 2026273 AMAQI
23rd Jul 2026294 AMAQI

30°C25/36°C

23rd Jul 2026275 AMAQI
23rd Jul 2026296 AMAQI
23rd Jul 2026237 AMAQI
23rd Jul 2026258 AMAQI
23rd Jul 2026219 AMAQI
23rd Jul 20263310 AMAQI
23rd Jul 20265111 AMAQI
23rd Jul 20264012 PMAQI
23rd Jul 2026511 PMAQI
23rd Jul 2026462 PMAQI
23rd Jul 2026643 PMAQI
23rd Jul 2026564 PMAQI
23rd Jul 2026805 PMAQI
23rd Jul 2026716 PMAQI
23rd Jul 2026647 PMAQI
23rd Jul 2026468 PMAQI
23rd Jul 2026339 PMAQI
23rd Jul 20262510 PMAQI
23rd Jul 20262111 PMAQI
24th Jul 20262312 AMAQI
24th Jul 2026251 AMAQI
24th Jul 2026272 AMAQI
24th Jul 2026233 AMAQI
24th Jul 2026194 AMAQI

30°C26/34°C

24th Jul 2026235 AMAQI
24th Jul 2026256 AMAQI
24th Jul 2026257 AMAQI
24th Jul 2026278 AMAQI
24th Jul 2026339 AMAQI
24th Jul 20262710 AMAQI
24th Jul 20262711 AMAQI
24th Jul 20265412 PMAQI
24th Jul 2026741 PMAQI
24th Jul 2026732 PMAQI
24th Jul 2026763 PMAQI
24th Jul 2026764 PMAQI
24th Jul 2026755 PMAQI
24th Jul 2026666 PMAQI
24th Jul 2026647 PMAQI
24th Jul 2026628 PMAQI
24th Jul 2026659 PMAQI
24th Jul 20266210 PMAQI
24th Jul 20265311 PMAQI
25th Jul 20265512 AMAQI
25th Jul 2026511 AMAQI
25th Jul 2026512 AMAQI
25th Jul 2026443 AMAQI
25th Jul 2026364 AMAQI

29°C25/35°C

25th Jul 2026385 AMAQI
25th Jul 2026366 AMAQI
25th Jul 2026407 AMAQI
25th Jul 2026388 AMAQI
25th Jul 2026279 AMAQI
25th Jul 20263110 AMAQI
25th Jul 20263311 AMAQI
25th Jul 20265612 PMAQI
25th Jul 2026711 PMAQI
25th Jul 2026692 PMAQI
25th Jul 2026523 PMAQI
25th Jul 2026364 PMAQI
25th Jul 2026385 PMAQI
25th Jul 2026236 PMAQI
25th Jul 2026447 PMAQI
25th Jul 2026318 PMAQI
25th Jul 2026319 PMAQI
25th Jul 20262710 PMAQI
25th Jul 20262911 PMAQI
26th Jul 20262912 AMAQI
26th Jul 2026271 AMAQI
26th Jul 2026252 AMAQI
26th Jul 2026273 AMAQI
26th Jul 2026254 AMAQI

30°C24/36°C

26th Jul 2026255 AMAQI
26th Jul 2026256 AMAQI
26th Jul 2026237 AMAQI
26th Jul 2026298 AMAQI
26th Jul 2026199 AMAQI
26th Jul 20263310 AMAQI
26th Jul 20263611 AMAQI
26th Jul 20262712 PMAQI
26th Jul 2026331 PMAQI
26th Jul 2026292 PMAQI
26th Jul 2026333 PMAQI
26th Jul 2026334 PMAQI
26th Jul 2026275 PMAQI
26th Jul 2026276 PMAQI
26th Jul 2026277 PMAQI
26th Jul 2026258 PMAQI
26th Jul 2026259 PMAQI
26th Jul 20262710 PMAQI
26th Jul 20262711 PMAQI
27th Jul 20262512 AMAQI
27th Jul 2026211 AMAQI
27th Jul 2026232 AMAQI
27th Jul 2026213 AMAQI
27th Jul 2026254 AMAQI

30°C25/37°C

27th Jul 2026215 AMAQI
27th Jul 2026256 AMAQI
27th Jul 2026257 AMAQI
27th Jul 2026238 AMAQI
27th Jul 2026259 AMAQI
27th Jul 20262510 AMAQI
27th Jul 20262711 AMAQI
27th Jul 20262912 PMAQI
27th Jul 2026331 PMAQI
27th Jul 2026362 PMAQI
27th Jul 2026423 PMAQI
27th Jul 2026384 PMAQI
27th Jul 2026405 PMAQI
27th Jul 2026426 PMAQI
27th Jul 2026387 PMAQI
27th Jul 2026338 PMAQI
27th Jul 2026389 PMAQI
27th Jul 20264210 PMAQI
27th Jul 20264211 PMAQI
28th Jul 20264012 AMAQI
28th Jul 2026401 AMAQI
28th Jul 2026382 AMAQI
28th Jul 2026383 AMAQI
28th Jul 2026384 AMAQI

31°C25/38°C

28th Jul 2026405 AMAQI
28th Jul 2026386 AMAQI
28th Jul 2026367 AMAQI
28th Jul 2026338 AMAQI
28th Jul 2026369 AMAQI
28th Jul 20263810 AMAQI
28th Jul 20263811 AMAQI
28th Jul 20263812 PMAQI
28th Jul 2026441 PMAQI
28th Jul 2026422 PMAQI
28th Jul 2026443 PMAQI
28th Jul 2026424 PMAQI
28th Jul 2026385 PMAQI
28th Jul 2026386 PMAQI
28th Jul 2026387 PMAQI
28th Jul 2026338 PMAQI
28th Jul 2026369 PMAQI
28th Jul 20263610 PMAQI
28th Jul 20263711 PMAQI
29th Jul 20264212 AMAQI
29th Jul 2026451 AMAQI
29th Jul 2026342 AMAQI
29th Jul 2026323 AMAQI
29th Jul 2026214 AMAQI

30°C24/36°C

29th Jul 2026235 AMAQI
29th Jul 2026256 AMAQI
29th Jul 2026237 AMAQI
29th Jul 2026338 AMAQI
29th Jul 2026219 AMAQI
29th Jul 20262510 AMAQI
29th Jul 20263611 AMAQI
29th Jul 20263312 PMAQI
29th Jul 2026331 PMAQI
29th Jul 2026332 PMAQI
29th Jul 2026333 PMAQI
29th Jul 2026314 PMAQI
29th Jul 2026345 PMAQI
29th Jul 2026326 PMAQI
29th Jul 2026317 PMAQI
29th Jul 2026338 PMAQI
29th Jul 2026299 PMAQI
29th Jul 20262910 PMAQI
29th Jul 20262511 PMAQI
30th Jul 20262512 AMAQI
30th Jul 2026251 AMAQI
30th Jul 2026232 AMAQI
30th Jul 2026253 AMAQI
30th Jul 2026234 AMAQI

27°C24/30°C

30th Jul 2026215 AMAQI
30th Jul 2026216 AMAQI
30th Jul 2026217 AMAQI
30th Jul 2026238 AMAQI
30th Jul 2026219 AMAQI
30th Jul 20262510 AMAQI
30th Jul 20262511 AMAQI
30th Jul 20263312 PMAQI
30th Jul 2026251 PMAQI
30th Jul 2026232 PMAQI
30th Jul 2026213 PMAQI
30th Jul 2026214 PMAQI
30th Jul 2026215 PMAQI
30th Jul 2026216 PMAQI
30th Jul 2026217 PMAQI
30th Jul 2026238 PMAQI
30th Jul 2026239 PMAQI
30th Jul 20262110 PMAQI
30th Jul 20262111 PMAQI
31st Jul 20262112 AMAQI
31st Jul 2026211 AMAQI
31st Jul 2026272 AMAQI
31st Jul 2026423 AMAQI
31st Jul 2026384 AMAQI

29°C25/34°C

31st Jul 2026505 AMAQI
31st Jul 2026506 AMAQI
31st Jul 2026517 AMAQI
31st Jul 2026608 AMAQI
31st Jul 2026589 AMAQI
31st Jul 20262310 AMAQI
31st Jul 20262511 AMAQI
31st Jul 20262312 PMAQI
31st Jul 2026251 PMAQI
31st Jul 2026252 PMAQI
31st Jul 2026253 PMAQI
31st Jul 2026274 PMAQI
31st Jul 2026295 PMAQI
31st Jul 2026296 PMAQI
31st Jul 2026297 PMAQI
31st Jul 2026278 PMAQI
31st Jul 2026259 PMAQI
31st Jul 20262510 PMAQI
31st Jul 20262711 PMAQI
1st Aug 20262512 AMAQI
1st Aug 2026251 AMAQI
1st Aug 2026252 AMAQI
1st Aug 2026233 AMAQI
1st Aug 2026234 AMAQI

29°C23/35°C

1st Aug 2026215 AMAQI
1st Aug 2026236 AMAQI
1st Aug 2026237 AMAQI
1st Aug 2026218 AMAQI
1st Aug 2026219 AMAQI
1st Aug 20262510 AMAQI
1st Aug 20262111 AMAQI
1st Aug 20262512 PMAQI
1st Aug 2026251 PMAQI
1st Aug 2026252 PMAQI
1st Aug 2026313 PMAQI
1st Aug 2026314 PMAQI
1st Aug 2026335 PMAQI
1st Aug 2026336 PMAQI
1st Aug 2026387 PMAQI
1st Aug 2026338 PMAQI
1st Aug 2026539 PMAQI
1st Aug 20264410 PMAQI
1st Aug 20264911 PMAQI
2nd Aug 20264912 AMAQI
2nd Aug 2026531 AMAQI
2nd Aug 2026512 AMAQI
2nd Aug 2026463 AMAQI
2nd Aug 2026404 AMAQI

30°C23/37°C

2nd Aug 2026505 AMAQI
2nd Aug 2026466 AMAQI
2nd Aug 2026447 AMAQI
2nd Aug 2026368 AMAQI
2nd Aug 2026429 AMAQI
2nd Aug 20263610 AMAQI
2nd Aug 20264911 AMAQI
2nd Aug 20263812 PMAQI
2nd Aug 2026481 PMAQI
2nd Aug 2026482 PMAQI
2nd Aug 2026523 PMAQI
2nd Aug 2026524 PMAQI
2nd Aug 2026555 PMAQI
2nd Aug 2026546 PMAQI
2nd Aug 2026487 PMAQI
2nd Aug 2026568 PMAQI
2nd Aug 2026609 PMAQI
2nd Aug 20265410 PMAQI
2nd Aug 20266011 PMAQI
3rd Aug 20265712 AMAQI
3rd Aug 2026551 AMAQI
3rd Aug 2026552 AMAQI
3rd Aug 2026483 AMAQI
3rd Aug 2026464 AMAQI

31°C24/38°C

3rd Aug 2026515 AMAQI
3rd Aug 2026576 AMAQI
3rd Aug 2026427 AMAQI
3rd Aug 2026518 AMAQI
3rd Aug 2026489 AMAQI
3rd Aug 20264910 AMAQI
3rd Aug 20265111 AMAQI
3rd Aug 20265412 PMAQI
3rd Aug 2026541 PMAQI
3rd Aug 2026552 PMAQI
3rd Aug 2026663 PMAQI
3rd Aug 2026664 PMAQI
3rd Aug 2026695 PMAQI
3rd Aug 2026606 PMAQI
3rd Aug 2026627 PMAQI
3rd Aug 2026628 PMAQI
3rd Aug 2026679 PMAQI
3rd Aug 20265710 PMAQI
3rd Aug 20266011 PMAQI
4th Aug 20265812 AMAQI
4th Aug 2026551 AMAQI
4th Aug 2026642 AMAQI
4th Aug 2026553 AMAQI
4th Aug 2026644 AMAQI

32°C26/40°C

4th Aug 2026575 AMAQI
4th Aug 2026636 AMAQI
4th Aug 2026607 AMAQI
4th Aug 2026498 AMAQI
4th Aug 2026539 AMAQI
4th Aug 20266210 AMAQI
4th Aug 20265211 AMAQI
4th Aug 20265512 PMAQI
4th Aug 2026591 PMAQI
4th Aug 2026532 PMAQI
4th Aug 2026733 PMAQI
4th Aug 2026584 PMAQI
4th Aug 2026535 PMAQI
4th Aug 2026316 PMAQI
4th Aug 2026337 PMAQI
4th Aug 2026368 PMAQI
4th Aug 2026409 PMAQI
4th Aug 20263810 PMAQI
4th Aug 20263111 PMAQI
5th Aug 20263312 AMAQI
5th Aug 2026341 AMAQI
5th Aug 2026322 AMAQI
5th Aug 2026273 AMAQI
5th Aug 2026274 AMAQI

30°C25/37°C

5th Aug 2026255 AMAQI
5th Aug 2026236 AMAQI
5th Aug 2026237 AMAQI
5th Aug 2026178 AMAQI
5th Aug 2026149 AMAQI
5th Aug 20261610 AMAQI
5th Aug 20262311 AMAQI
5th Aug 20262712 PMAQI
5th Aug 2026291 PMAQI
5th Aug 2026342 PMAQI
5th Aug 2026403 PMAQI
5th Aug 2026404 PMAQI
5th Aug 2026275 PMAQI
5th Aug 2026276 PMAQI
5th Aug 2026297 PMAQI
5th Aug 2026278 PMAQI
5th Aug 2026259 PMAQI
5th Aug 20262310 PMAQI
5th Aug 20262511 PMAQI
6th Aug 20263112 AMAQI
6th Aug 2026291 AMAQI
6th Aug 2026272 AMAQI
6th Aug 2026343 AMAQI
6th Aug 2026384 AMAQI

30°C24/37°C

6th Aug 2026325 AMAQI
6th Aug 2026256 AMAQI
6th Aug 2026257 AMAQI
6th Aug 2026278 AMAQI
6th Aug 2026279 AMAQI
6th Aug 20262510 AMAQI
6th Aug 20262511 AMAQI
6th Aug 20262512 PMAQI
6th Aug 2026211 PMAQI
6th Aug 2026252 PMAQI
6th Aug 2026233 PMAQI
6th Aug 2026214 PMAQI
6th Aug 2026215 PMAQI
6th Aug 2026216 PMAQI
6th Aug 2026257 PMAQI
6th Aug 2026238 PMAQI
6th Aug 2026259 PMAQI
6th Aug 20262510 PMAQI
6th Aug 20262511 PMAQI
7th Aug 20262112 AMAQI
7th Aug 2026211 AMAQI
7th Aug 2026212 AMAQI
7th Aug 2026253 AMAQI
7th Aug 2026214 AMAQI

30°C24/36°C

7th Aug 2026215 AMAQI
7th Aug 2026216 AMAQI
7th Aug 2026217 AMAQI
7th Aug 2026218 AMAQI
7th Aug 2026219 AMAQI
7th Aug 20262310 AMAQI
7th Aug 20262111 AMAQI
7th Aug 20262712 PMAQI
7th Aug 2026461 PMAQI
7th Aug 2026212 PMAQI
7th Aug 2026253 PMAQI
7th Aug 2026254 PMAQI
7th Aug 2026235 PMAQI
7th Aug 2026276 PMAQI
7th Aug 2026257 PMAQI
7th Aug 2026218 PMAQI
7th Aug 2026239 PMAQI
7th Aug 20262110 PMAQI
7th Aug 20262111 PMAQI
8th Aug 20262112 AMAQI
8th Aug 2026211 AMAQI
8th Aug 2026212 AMAQI
8th Aug 2026233 AMAQI
8th Aug 2026214 AMAQI

29°C28/32°C

8th Aug 2026215 AMAQI
8th Aug 2026236 AMAQI
8th Aug 2026237 AMAQI
8th Aug 2026258 AMAQI
8th Aug 2026259 AMAQI
8th Aug 20262510 AMAQI
8th Aug 20262511 AMAQI
8th Aug 20262512 PMAQI
8th Aug 2026291 PMAQI
8th Aug 2026292 PMAQI
8th Aug 2026333 PMAQI
8th Aug 2026254 PMAQI
8th Aug 2026255 PMAQI
8th Aug 2026256 PMAQI
8th Aug 2026297 PMAQI
8th Aug 2026218 PMAQI
8th Aug 2026219 PMAQI
8th Aug 20262110 PMAQI
8th Aug 20262111 PMAQI
9th Aug 20262112 AMAQI
9th Aug 2026211 AMAQI
9th Aug 2026212 AMAQI
9th Aug 2026213 AMAQI
9th Aug 2026294 AMAQI

29°C26/34°C

9th Aug 2026255 AMAQI
9th Aug 2026256 AMAQI
9th Aug 2026217 AMAQI
9th Aug 2026258 AMAQI
9th Aug 2026259 AMAQI
9th Aug 20262510 AMAQI
9th Aug 20262911 AMAQI
9th Aug 20262112 PMAQI
9th Aug 2026251 PMAQI
9th Aug 2026252 PMAQI
9th Aug 2026253 PMAQI
9th Aug 2026214 PMAQI
9th Aug 2026215 PMAQI
9th Aug 2026296 PMAQI
9th Aug 2026217 PMAQI
9th Aug 2026218 PMAQI
9th Aug 2026259 PMAQI
9th Aug 20262310 PMAQI
9th Aug 20262511 PMAQI
10th Aug 20262512 AMAQI
10th Aug 2026251 AMAQI
10th Aug 2026252 AMAQI
10th Aug 2026253 AMAQI
10th Aug 2026254 AMAQI

29°C24/35°C

10th Aug 2026255 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 20262512 PMAQI
10th Aug 2026231 PMAQI
10th Aug 2026252 PMAQI
10th Aug 2026233 PMAQI
10th Aug 2026294 PMAQI
10th Aug 2026255 PMAQI
10th Aug 2026216 PMAQI
10th Aug 2026237 PMAQI
10th Aug 2026218 PMAQI
10th Aug 2026219 PMAQI
10th Aug 20262110 PMAQI
10th Aug 20262311 PMAQI
11th Aug 20262512 AMAQI
11th Aug 2026231 AMAQI
11th Aug 2026252 AMAQI
11th Aug 2026253 AMAQI
11th Aug 2026254 AMAQI

29°C24/36°C

11th Aug 2026235 AMAQI
11th Aug 2026276 AMAQI
11th Aug 2026257 AMAQI
11th Aug 2026278 AMAQI
11th Aug 2026279 AMAQI
11th Aug 20262910 AMAQI
11th Aug 20262911 AMAQI
11th Aug 20263812 PMAQI
11th Aug 2026401 PMAQI
11th Aug 2026402 PMAQI
11th Aug 2026403 PMAQI
11th Aug 2026404 PMAQI
11th Aug 2026405 PMAQI
11th Aug 2026386 PMAQI
11th Aug 2026407 PMAQI
11th Aug 2026408 PMAQI
11th Aug 2026369 PMAQI
11th Aug 20263810 PMAQI
11th Aug 20263611 PMAQI
12th Aug 20263112 AMAQI
12th Aug 2026331 AMAQI
12th Aug 2026292 AMAQI
12th Aug 2026293 AMAQI
12th Aug 2026294 AMAQI

28°C23/34°C

12th Aug 2026275 AMAQI
12th Aug 2026256 AMAQI
12th Aug 2026257 AMAQI
12th Aug 2026258 AMAQI
12th Aug 2026239 AMAQI
12th Aug 20262510 AMAQI
12th Aug 20262511 AMAQI
12th Aug 20262712 PMAQI
12th Aug 2026271 PMAQI
12th Aug 2026252 PMAQI
12th Aug 2026253 PMAQI
12th Aug 2026234 PMAQI
12th Aug 2026545 PMAQI
12th Aug 2026366 PMAQI
12th Aug 2026237 PMAQI
12th Aug 2026318 PMAQI
12th Aug 2026319 PMAQI
12th Aug 20263310 PMAQI
12th Aug 20263811 PMAQI
13th Aug 20263812 AMAQI
13th Aug 2026311 AMAQI
13th Aug 2026252 AMAQI
13th Aug 2026293 AMAQI
13th Aug 2026294 AMAQI

27°C20/34°C

13th Aug 2026295 AMAQI
13th Aug 2026256 AMAQI
13th Aug 2026257 AMAQI
13th Aug 2026298 AMAQI
13th Aug 2026259 AMAQI
13th Aug 20262710 AMAQI
13th Aug 20262511 AMAQI
13th Aug 20265412 PMAQI
13th Aug 2026621 PMAQI
13th Aug 2026482 PMAQI
13th Aug 2026683 PMAQI
13th Aug 2026624 PMAQI
13th Aug 2026485 PMAQI
13th Aug 2026596 PMAQI
13th Aug 2026317 PMAQI
13th Aug 2026408 PMAQI
13th Aug 2026319 PMAQI
13th Aug 20262310 PMAQI
13th Aug 20262911 PMAQI
14th Aug 20262512 AMAQI
14th Aug 2026211 AMAQI
14th Aug 2026232 AMAQI
14th Aug 2026253 AMAQI
14th Aug 2026254 AMAQI

27°C22/33°C

14th Aug 2026295 AMAQI
5 AM
14th Aug 2026346 AMAQI
14th Aug 2026407 AMAQI
14th Aug 2026408 AMAQI
14th Aug 2026319 AMAQI
14th Aug 20263810 AMAQI
14th Aug 20264211 AMAQI
14th Aug 20265112 PMAQI
12 PM
14th Aug 2026581 PMAQI
14th Aug 2026712 PMAQI
14th Aug 2026783 PMAQI
14th Aug 2026624 PMAQI
14th Aug 2026675 PMAQI
14th Aug 2026576 PMAQI
14th Aug 2026717 PMAQI
7 PM
14th Aug 2026648 PMAQI
14th Aug 2026609 PMAQI
14th Aug 20265510 PMAQI
14th Aug 20262711 PMAQI
12 AM
4 AM

27°C22/34°C

Day time
Avg. Highest Time
3 PM

42AQI

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

29AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 PM to 3 PM (Avg. 42), while the lowest AQI was between 9 AM to 9 AM (Avg. 29).
Night time
Avg. Highest Time
8 PM - 9 PM

38AQI

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

31AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 9 PM (Avg. 38), while the lowest AQI was between 2 AM to 4 AM (Avg. 31).

2026 Days Vs Air Quality

Hikimizu, Ozu, Kumamoto, Japan

2026

77%

174

23%

52

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

Good
174 Days
Moderate
52 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 77%

Health Risk Level:

Low

In 2026, 77% 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

Hikimizu, Ozu, 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
30AQI (US)
2nd January 2026
32AQI (US)
3rd January 2026
34AQI (US)
4th January 2026
54AQI (US)
5th January 2026
58AQI (US)
6th January 2026
45AQI (US)
7th January 2026
52AQI (US)
8th January 2026
46AQI (US)
9th January 2026
36AQI (US)
10th January 2026
35AQI (US)
11th January 2026
33AQI (US)
12th January 2026
37AQI (US)
13th January 2026
39AQI (US)
14th January 2026
47AQI (US)
15th January 2026
55AQI (US)
16th January 2026
40AQI (US)
17th January 2026
56AQI (US)
18th January 2026
58AQI (US)
19th January 2026
73AQI (US)
20th January 2026
50AQI (US)
21st January 2026
22AQI (US)
22nd January 2026
34AQI (US)
23rd January 2026
53AQI (US)
24th January 2026
60AQI (US)
25th January 2026
38AQI (US)
26th January 2026
27AQI (US)
27th January 2026
54AQI (US)
28th January 2026
36AQI (US)
29th January 2026
45AQI (US)
30th January 2026
47AQI (US)
31st January 2026
33AQI (US)
1st February 2026
52AQI (US)
2nd February 2026
53AQI (US)
3rd February 2026
47AQI (US)
4th February 2026
51AQI (US)
5th February 2026
49AQI (US)
6th February 2026
46AQI (US)
7th February 2026
40AQI (US)
8th February 2026
28AQI (US)
9th February 2026
42AQI (US)
10th February 2026
49AQI (US)
11th February 2026
50AQI (US)
12th February 2026
52AQI (US)
13th February 2026
49AQI (US)
14th February 2026
56AQI (US)
15th February 2026
39AQI (US)
16th February 2026
62AQI (US)
17th February 2026
32AQI (US)
18th February 2026
29AQI (US)
19th February 2026
66AQI (US)
20th February 2026
45AQI (US)
21st February 2026
53AQI (US)
22nd February 2026
42AQI (US)
23rd February 2026
47AQI (US)
24th February 2026
51AQI (US)
25th February 2026
32AQI (US)
26th February 2026
16AQI (US)
27th February 2026
40AQI (US)
28th February 2026
51AQI (US)
1st March 2026
54AQI (US)
2nd March 2026
30AQI (US)
3rd March 2026
15AQI (US)
4th March 2026
59AQI (US)
5th March 2026
56AQI (US)
6th March 2026
54AQI (US)
7th March 2026
54AQI (US)
8th March 2026
51AQI (US)
9th March 2026
55AQI (US)
10th March 2026
55AQI (US)
11th March 2026
42AQI (US)
12th March 2026
62AQI (US)
13th March 2026
49AQI (US)
14th March 2026
47AQI (US)
15th March 2026
63AQI (US)
16th March 2026
70AQI (US)
17th March 2026
55AQI (US)
18th March 2026
55AQI (US)
19th March 2026
29AQI (US)
20th March 2026
49AQI (US)
21st March 2026
43AQI (US)
22nd March 2026
47AQI (US)
23rd March 2026
17AQI (US)
24th March 2026
52AQI (US)
25th March 2026
23AQI (US)
26th March 2026
22AQI (US)
27th March 2026
60AQI (US)
28th March 2026
85AQI (US)
29th March 2026
85AQI (US)
30th March 2026
42AQI (US)
31st March 2026
20AQI (US)
1st April 2026
24AQI (US)
2nd April 2026
56AQI (US)
3rd April 2026
52AQI (US)
4th April 2026
43AQI (US)
5th April 2026
43AQI (US)
6th April 2026
59AQI (US)
7th April 2026
34AQI (US)
8th April 2026
30AQI (US)
9th April 2026
44AQI (US)
10th April 2026
29AQI (US)
11th April 2026
34AQI (US)
12th April 2026
40AQI (US)
13th April 2026
35AQI (US)
14th April 2026
45AQI (US)
15th April 2026
41AQI (US)
16th April 2026
38AQI (US)
17th April 2026
42AQI (US)
18th April 2026
34AQI (US)
19th April 2026
24AQI (US)
20th April 2026
25AQI (US)
21st April 2026
41AQI (US)
22nd April 2026
45AQI (US)
23rd April 2026
18AQI (US)
24th April 2026
20AQI (US)
25th April 2026
43AQI (US)
26th April 2026
46AQI (US)
27th April 2026
53AQI (US)
28th April 2026
47AQI (US)
29th April 2026
37AQI (US)
30th April 2026
33AQI (US)
1st May 2026
47AQI (US)
2nd May 2026
50AQI (US)
3rd May 2026
34AQI (US)
4th May 2026
29AQI (US)
5th May 2026
28AQI (US)
6th May 2026
36AQI (US)
7th May 2026
37AQI (US)
8th May 2026
30AQI (US)
9th May 2026
30AQI (US)
10th May 2026
40AQI (US)
11th May 2026
44AQI (US)
12th May 2026
30AQI (US)
13th May 2026
38AQI (US)
14th May 2026
40AQI (US)
15th May 2026
42AQI (US)
16th May 2026
77AQI (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
70AQI (US)
23rd May 2026
61AQI (US)
24th May 2026
64AQI (US)
25th May 2026
55AQI (US)
26th May 2026
41AQI (US)
27th May 2026
23AQI (US)
28th May 2026
26AQI (US)
29th May 2026
26AQI (US)
30th May 2026
34AQI (US)
31st May 2026
49AQI (US)
1st June 2026
46AQI (US)
2nd June 2026
10AQI (US)
3rd June 2026
14AQI (US)
4th June 2026
24AQI (US)
5th June 2026
23AQI (US)
6th June 2026
26AQI (US)
7th June 2026
12AQI (US)
8th June 2026
22AQI (US)
9th June 2026
24AQI (US)
10th June 2026
23AQI (US)
11th June 2026
26AQI (US)
12th June 2026
26AQI (US)
13th June 2026
26AQI (US)
14th June 2026
24AQI (US)
15th June 2026
22AQI (US)
16th June 2026
26AQI (US)
17th June 2026
23AQI (US)
18th June 2026
26AQI (US)
19th June 2026
27AQI (US)
20th June 2026
22AQI (US)
21st June 2026
21AQI (US)
22nd June 2026
20AQI (US)
23rd June 2026
21AQI (US)
24th June 2026
20AQI (US)
25th June 2026
27AQI (US)
26th June 2026
28AQI (US)
27th June 2026
28AQI (US)
28th June 2026
30AQI (US)
29th June 2026
29AQI (US)
30th June 2026
26AQI (US)
1st July 2026
23AQI (US)
2nd July 2026
15AQI (US)
3rd July 2026
24AQI (US)
4th July 2026
25AQI (US)
5th July 2026
22AQI (US)
6th July 2026
23AQI (US)
7th July 2026
25AQI (US)
8th July 2026
26AQI (US)
9th July 2026
23AQI (US)
10th July 2026
27AQI (US)
11th July 2026
28AQI (US)
12th July 2026
27AQI (US)
13th July 2026
28AQI (US)
14th July 2026
28AQI (US)
15th July 2026
26AQI (US)
16th July 2026
27AQI (US)
17th July 2026
30AQI (US)
18th July 2026
36AQI (US)
19th July 2026
37AQI (US)
20th July 2026
31AQI (US)
21st July 2026
41AQI (US)
22nd July 2026
44AQI (US)
23rd July 2026
39AQI (US)
24th July 2026
46AQI (US)
25th July 2026
41AQI (US)
26th July 2026
28AQI (US)
27th July 2026
31AQI (US)
28th July 2026
38AQI (US)
29th July 2026
31AQI (US)
30th July 2026
23AQI (US)
31st July 2026
33AQI (US)
1st August 2026
29AQI (US)
2nd August 2026
49AQI (US)
3rd August 2026
56AQI (US)
4th August 2026
52AQI (US)
5th August 2026
27AQI (US)
6th August 2026
26AQI (US)
7th August 2026
23AQI (US)
8th August 2026
24AQI (US)
9th August 2026
24AQI (US)
10th August 2026
24AQI (US)
11th August 2026
32AQI (US)
12th August 2026
29AQI (US)
13th August 2026
37AQI (US)
14th August 2026
46AQI (US)
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

44AQI (US)

45AQI (US)

48AQI (US)

39AQI (US)

44AQI (US)

24AQI (US)

30AQI (US)

34AQI (US)

No. of days

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

202639AQI (US)

21
10
18
10
14
17
26
4
22
9
30
31
12
2
174
52

Highest AQI (US) recorded in

March

48AQI (US)

Lowest AQI (US) recorded in

June

24AQI (US)

202547AQI (US)

20
11
26
2
18
13
19
11
25
6
26
4
18
13
31
30
1
30
2
28
7
24
223
142

Highest AQI (US) recorded in

October

58AQI (US)

Lowest AQI (US) recorded in

September

32AQI (US)

202442AQI (US)

17
1
1
4
3
19
12
23
7
31
16
15
20
10
27
4
19
11
30
1
189
82

Highest AQI (US) recorded in

January

65AQI (US)

Lowest AQI (US) recorded in

July

28AQI (US)

202345AQI (US)

20
10
1
13
15
16
15
10
20
19
12
20
10
22
9
27
4
23
7
22
9
18
11
20
10
230
132
1

Highest AQI (US) recorded in

April

52AQI (US)

Lowest AQI (US) recorded in

August

34AQI (US)

202246AQI (US)

17
13
15
7
18
13
13
4
16
15
22
8
15
7
1
19
9
23
8
15
15
17
14
190
114

Highest AQI (US) recorded in

August

66AQI (US)

Lowest AQI (US) recorded in

September

40AQI (US)

202144AQI (US)

11
19
14
14
13
16
15
6
18
13
15
15
27
4
30
1
25
5
20
11
17
13
23
8
228
125

Highest AQI (US) recorded in

January

52AQI (US)

Lowest AQI (US) recorded in

August

29AQI (US)

202046AQI (US)

8
5
9
12
11
7
19
11
30
1
16
15
16
3
18
13
15
15
11
20
153
102

Highest AQI (US) recorded in

December

57AQI (US)

Lowest AQI (US) recorded in

July

28AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
47AQI (US)
Least Polluted Year Recorded
2026(Avg.)
39AQI (US)

Hikimizu's annual 2026 AQI (US) (39) shows an average percentage change of -13.2% (improved AQI (US)) compared to previous years: 2020 (46), 2021 (44), 2022 (46), 2023 (45), 2024 (42), 2025 (47).