Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Hayashima, Okayama, 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+

July Air Quality Analysis

Hayashima, Okayama, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
4th Jul 2025
105AQI
Lowest AQI recorded on
4th Jul 2022
16AQI

Same Day Analysis (31st July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 36 of Good air quality, showing improvement over 2025 and 2024 on the same day.

Day & Night AQI Trend: 30th Jul - 31st Jul 2026

Hayashima, Okayama, Japan

AQI
Day
Night
.

5 AM30th Jul 2026

7 PM

4 AM31st Jul 2026

Day time
Avg. Highest Time
5AM30th Jul

44AQI

Avg. Lowest Time
11AM30th Jul

38AQI

Night time
Avg. Highest Time
9PM30th Jul

45AQI

Avg. Lowest Time
4AM31st Jul

35AQI

In the last 24 hours,

Hayashima's AQI reached its highest point of 45 at 9 PM during the Night, while the lowest point, 35, was recorded at 4 AM during the Night between 30th Jul and 31st Jul 2026.

Day & Night AQI Trend : Jul 2026

Hayashima, Okayama, Japan

Jul
02nd - 03rd03rd - 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
Day
Night
2nd Jul 2026215 AMAQI
2nd Jul 2026206 AMAQI
2nd Jul 2026157 AMAQI
2nd Jul 2026138 AMAQI
2nd Jul 2026229 AMAQI
2nd Jul 20262510 AMAQI
2nd Jul 20261911 AMAQI
2nd Jul 20261512 PMAQI
2nd Jul 2026131 PMAQI
2nd Jul 2026112 PMAQI
2nd Jul 2026173 PMAQI
2nd Jul 2026214 PMAQI
2nd Jul 2026215 PMAQI
2nd Jul 2026196 PMAQI
2nd Jul 2026177 PMAQI
2nd Jul 2026168 PMAQI
2nd Jul 2026109 PMAQI
2nd Jul 20261010 PMAQI
2nd Jul 2026911 PMAQI
3rd Jul 2026812 AMAQI
3rd Jul 2026101 AMAQI
3rd Jul 2026122 AMAQI
3rd Jul 2026173 AMAQI
3rd Jul 2026204 AMAQI

24°C21/27°C

3rd Jul 2026225 AMAQI
3rd Jul 2026216 AMAQI
3rd Jul 2026207 AMAQI
3rd Jul 2026218 AMAQI
3rd Jul 2026189 AMAQI
3rd Jul 20261910 AMAQI
3rd Jul 20262111 AMAQI
3rd Jul 20262112 PMAQI
3rd Jul 2026241 PMAQI
3rd Jul 2026312 PMAQI
3rd Jul 2026433 PMAQI
3rd Jul 2026444 PMAQI
3rd Jul 2026485 PMAQI
3rd Jul 2026376 PMAQI
3rd Jul 2026377 PMAQI
3rd Jul 2026418 PMAQI
3rd Jul 2026409 PMAQI
3rd Jul 20265710 PMAQI
3rd Jul 20264711 PMAQI
4th Jul 20263812 AMAQI
4th Jul 2026421 AMAQI
4th Jul 2026452 AMAQI
4th Jul 2026473 AMAQI
4th Jul 2026434 AMAQI

23°C19/26°C

4th Jul 2026445 AMAQI
4th Jul 2026386 AMAQI
4th Jul 2026407 AMAQI
4th Jul 2026398 AMAQI
4th Jul 2026399 AMAQI
4th Jul 20263910 AMAQI
4th Jul 20264311 AMAQI
4th Jul 20264012 PMAQI
4th Jul 2026401 PMAQI
4th Jul 2026422 PMAQI
4th Jul 2026293 PMAQI
4th Jul 2026234 PMAQI
4th Jul 2026195 PMAQI
4th Jul 2026126 PMAQI
4th Jul 2026107 PMAQI
4th Jul 2026108 PMAQI
4th Jul 2026139 PMAQI
4th Jul 20261210 PMAQI
4th Jul 20261511 PMAQI
5th Jul 20261712 AMAQI
5th Jul 2026181 AMAQI
5th Jul 2026232 AMAQI
5th Jul 2026223 AMAQI
5th Jul 2026234 AMAQI

21°C20/22°C

5th Jul 2026245 AMAQI
5th Jul 2026216 AMAQI
5th Jul 2026237 AMAQI
5th Jul 2026208 AMAQI
5th Jul 2026219 AMAQI
5th Jul 20261810 AMAQI
5th Jul 20262911 AMAQI
5th Jul 20263612 PMAQI
5th Jul 2026361 PMAQI
5th Jul 2026302 PMAQI
5th Jul 2026253 PMAQI
5th Jul 2026324 PMAQI
5th Jul 2026395 PMAQI
5th Jul 2026296 PMAQI
5th Jul 2026297 PMAQI
5th Jul 2026348 PMAQI
5th Jul 2026329 PMAQI
5th Jul 20262510 PMAQI
5th Jul 20262211 PMAQI
6th Jul 20261912 AMAQI
6th Jul 2026251 AMAQI
6th Jul 2026262 AMAQI
6th Jul 2026253 AMAQI
6th Jul 2026224 AMAQI

22°C22/23°C

6th Jul 2026245 AMAQI
6th Jul 2026256 AMAQI
6th Jul 2026237 AMAQI
6th Jul 2026238 AMAQI
6th Jul 2026209 AMAQI
6th Jul 20262610 AMAQI
6th Jul 20263511 AMAQI
6th Jul 20261512 PMAQI
6th Jul 202691 PMAQI
6th Jul 2026152 PMAQI
6th Jul 2026173 PMAQI
6th Jul 2026234 PMAQI
6th Jul 2026215 PMAQI
6th Jul 2026216 PMAQI
6th Jul 2026237 PMAQI
6th Jul 2026268 PMAQI
6th Jul 2026269 PMAQI
6th Jul 20262810 PMAQI
6th Jul 20263011 PMAQI
7th Jul 20262812 AMAQI
7th Jul 2026281 AMAQI
7th Jul 2026292 AMAQI
7th Jul 2026273 AMAQI
7th Jul 2026244 AMAQI

23°C22/25°C

7th Jul 2026285 AMAQI
7th Jul 2026286 AMAQI
7th Jul 2026257 AMAQI
7th Jul 2026278 AMAQI
7th Jul 2026239 AMAQI
7th Jul 20262410 AMAQI
7th Jul 20262111 AMAQI
7th Jul 20262212 PMAQI
7th Jul 2026211 PMAQI
7th Jul 2026242 PMAQI
7th Jul 2026293 PMAQI
7th Jul 2026264 PMAQI
7th Jul 2026285 PMAQI
7th Jul 2026296 PMAQI
7th Jul 2026297 PMAQI
7th Jul 2026278 PMAQI
7th Jul 2026279 PMAQI
7th Jul 20262610 PMAQI
7th Jul 20262511 PMAQI
8th Jul 20262812 AMAQI
8th Jul 2026291 AMAQI
8th Jul 2026282 AMAQI
8th Jul 2026273 AMAQI
8th Jul 2026254 AMAQI

25°C22/28°C

8th Jul 2026285 AMAQI
8th Jul 2026286 AMAQI
8th Jul 2026287 AMAQI
8th Jul 2026288 AMAQI
8th Jul 2026259 AMAQI
8th Jul 20262610 AMAQI
8th Jul 20262411 AMAQI
8th Jul 20262412 PMAQI
8th Jul 2026231 PMAQI
8th Jul 2026262 PMAQI
8th Jul 2026283 PMAQI
8th Jul 2026284 PMAQI
8th Jul 2026245 PMAQI
8th Jul 2026236 PMAQI
8th Jul 2026197 PMAQI
8th Jul 2026198 PMAQI
8th Jul 2026209 PMAQI
8th Jul 20262310 PMAQI
8th Jul 20262511 PMAQI
9th Jul 20262812 AMAQI
9th Jul 2026281 AMAQI
9th Jul 2026282 AMAQI
9th Jul 2026283 AMAQI
9th Jul 2026264 AMAQI

25°C23/28°C

9th Jul 2026275 AMAQI
9th Jul 2026256 AMAQI
9th Jul 2026287 AMAQI
9th Jul 2026268 AMAQI
9th Jul 2026239 AMAQI
9th Jul 20262210 AMAQI
9th Jul 20262411 AMAQI
9th Jul 20262312 PMAQI
9th Jul 2026231 PMAQI
9th Jul 2026242 PMAQI
9th Jul 2026253 PMAQI
9th Jul 2026254 PMAQI
9th Jul 2026245 PMAQI
9th Jul 2026236 PMAQI
9th Jul 2026247 PMAQI
9th Jul 2026248 PMAQI
9th Jul 2026239 PMAQI
9th Jul 20262410 PMAQI
9th Jul 20262711 PMAQI
10th Jul 20262612 AMAQI
10th Jul 2026291 AMAQI
10th Jul 2026282 AMAQI
10th Jul 2026273 AMAQI
10th Jul 2026254 AMAQI

26°C23/29°C

10th Jul 2026275 AMAQI
10th Jul 2026276 AMAQI
10th Jul 2026267 AMAQI
10th Jul 2026288 AMAQI
10th Jul 2026279 AMAQI
10th Jul 20262810 AMAQI
10th Jul 20262511 AMAQI
10th Jul 20262712 PMAQI
10th Jul 2026241 PMAQI
10th Jul 2026232 PMAQI
10th Jul 2026233 PMAQI
10th Jul 2026244 PMAQI
10th Jul 2026285 PMAQI
10th Jul 2026296 PMAQI
10th Jul 2026307 PMAQI
10th Jul 2026318 PMAQI
10th Jul 2026309 PMAQI
10th Jul 20263110 PMAQI
10th Jul 20263111 PMAQI
11th Jul 20263212 AMAQI
11th Jul 2026311 AMAQI
11th Jul 2026312 AMAQI
11th Jul 2026303 AMAQI
11th Jul 2026264 AMAQI

26°C22/30°C

11th Jul 2026305 AMAQI
11th Jul 2026306 AMAQI
11th Jul 2026307 AMAQI
11th Jul 2026318 AMAQI
11th Jul 2026319 AMAQI
11th Jul 20263210 AMAQI
11th Jul 20262811 AMAQI
11th Jul 20262612 PMAQI
11th Jul 2026231 PMAQI
11th Jul 2026242 PMAQI
11th Jul 2026243 PMAQI
11th Jul 2026284 PMAQI
11th Jul 2026325 PMAQI
11th Jul 2026306 PMAQI
11th Jul 2026297 PMAQI
11th Jul 2026268 PMAQI
11th Jul 2026309 PMAQI
11th Jul 20263010 PMAQI
11th Jul 20263011 PMAQI
12th Jul 20263112 AMAQI
12th Jul 2026311 AMAQI
12th Jul 2026302 AMAQI
12th Jul 2026303 AMAQI
12th Jul 2026274 AMAQI

27°C23/30°C

12th Jul 2026285 AMAQI
12th Jul 2026296 AMAQI
12th Jul 2026297 AMAQI
12th Jul 2026298 AMAQI
12th Jul 2026289 AMAQI
12th Jul 20263010 AMAQI
12th Jul 20262711 AMAQI
12th Jul 20262512 PMAQI
12th Jul 2026241 PMAQI
12th Jul 2026242 PMAQI
12th Jul 2026233 PMAQI
12th Jul 2026264 PMAQI
12th Jul 2026305 PMAQI
12th Jul 2026296 PMAQI
12th Jul 2026307 PMAQI
12th Jul 2026298 PMAQI
12th Jul 2026299 PMAQI
12th Jul 20263110 PMAQI
12th Jul 20263011 PMAQI
13th Jul 20263112 AMAQI
13th Jul 2026311 AMAQI
13th Jul 2026312 AMAQI
13th Jul 2026303 AMAQI
13th Jul 2026284 AMAQI

27°C24/30°C

13th Jul 2026295 AMAQI
13th Jul 2026306 AMAQI
13th Jul 2026307 AMAQI
13th Jul 2026308 AMAQI
13th Jul 2026309 AMAQI
13th Jul 20263010 AMAQI
13th Jul 20262811 AMAQI
13th Jul 20262812 PMAQI
13th Jul 2026261 PMAQI
13th Jul 2026252 PMAQI
13th Jul 2026413 PMAQI
13th Jul 2026404 PMAQI
13th Jul 2026495 PMAQI
13th Jul 2026326 PMAQI
13th Jul 2026487 PMAQI
13th Jul 2026488 PMAQI
13th Jul 2026469 PMAQI
13th Jul 20264810 PMAQI
13th Jul 20264711 PMAQI
14th Jul 20264712 AMAQI
14th Jul 2026431 AMAQI
14th Jul 2026572 AMAQI
14th Jul 2026553 AMAQI
14th Jul 2026494 AMAQI

28°C25/30°C

14th Jul 2026335 AMAQI
14th Jul 2026326 AMAQI
14th Jul 2026317 AMAQI
14th Jul 2026288 AMAQI
14th Jul 2026319 AMAQI
14th Jul 20263310 AMAQI
14th Jul 20262611 AMAQI
14th Jul 20262612 PMAQI
14th Jul 2026241 PMAQI
14th Jul 2026232 PMAQI
14th Jul 2026223 PMAQI
14th Jul 2026254 PMAQI
14th Jul 2026315 PMAQI
14th Jul 2026316 PMAQI
14th Jul 2026317 PMAQI
14th Jul 2026318 PMAQI
14th Jul 2026329 PMAQI
14th Jul 20263210 PMAQI
14th Jul 20263411 PMAQI
15th Jul 20263412 AMAQI
15th Jul 2026341 AMAQI
15th Jul 2026332 AMAQI
15th Jul 2026323 AMAQI
15th Jul 2026274 AMAQI

28°C25/31°C

15th Jul 2026325 AMAQI
15th Jul 2026276 AMAQI
15th Jul 2026307 AMAQI
15th Jul 2026318 AMAQI
15th Jul 2026299 AMAQI
15th Jul 20263110 AMAQI
15th Jul 20262511 AMAQI
15th Jul 20262312 PMAQI
15th Jul 2026211 PMAQI
15th Jul 2026212 PMAQI
15th Jul 2026183 PMAQI
15th Jul 2026194 PMAQI
15th Jul 2026225 PMAQI
15th Jul 2026236 PMAQI
15th Jul 2026237 PMAQI
15th Jul 2026278 PMAQI
15th Jul 2026299 PMAQI
15th Jul 20263010 PMAQI
15th Jul 20262911 PMAQI
16th Jul 20262512 AMAQI
16th Jul 2026281 AMAQI
16th Jul 2026322 AMAQI
16th Jul 2026363 AMAQI
16th Jul 2026264 AMAQI

28°C25/30°C

16th Jul 2026265 AMAQI
16th Jul 2026276 AMAQI
16th Jul 2026267 AMAQI
16th Jul 2026298 AMAQI
16th Jul 2026289 AMAQI
16th Jul 20263510 AMAQI
16th Jul 20263311 AMAQI
16th Jul 20263612 PMAQI
16th Jul 2026381 PMAQI
16th Jul 2026422 PMAQI
16th Jul 2026483 PMAQI
16th Jul 2026244 PMAQI
16th Jul 2026265 PMAQI
16th Jul 2026296 PMAQI
16th Jul 2026297 PMAQI
16th Jul 2026288 PMAQI
16th Jul 2026299 PMAQI
16th Jul 20262910 PMAQI
16th Jul 20263211 PMAQI
17th Jul 20263112 AMAQI
17th Jul 2026311 AMAQI
17th Jul 2026322 AMAQI
17th Jul 2026293 AMAQI
17th Jul 2026424 AMAQI

28°C25/31°C

17th Jul 2026545 AMAQI
17th Jul 2026536 AMAQI
17th Jul 2026537 AMAQI
17th Jul 2026538 AMAQI
17th Jul 2026549 AMAQI
17th Jul 20265210 AMAQI
17th Jul 20265511 AMAQI
17th Jul 20265212 PMAQI
17th Jul 2026431 PMAQI
17th Jul 2026582 PMAQI
17th Jul 2026683 PMAQI
17th Jul 2026654 PMAQI
17th Jul 2026685 PMAQI
17th Jul 2026766 PMAQI
17th Jul 2026717 PMAQI
17th Jul 2026698 PMAQI
17th Jul 2026669 PMAQI
17th Jul 20267010 PMAQI
17th Jul 20266511 PMAQI
18th Jul 20265812 AMAQI
18th Jul 2026521 AMAQI
18th Jul 2026532 AMAQI
18th Jul 2026553 AMAQI
18th Jul 2026544 AMAQI

28°C25/31°C

18th Jul 2026535 AMAQI
18th Jul 2026526 AMAQI
18th Jul 2026547 AMAQI
18th Jul 2026588 AMAQI
18th Jul 2026589 AMAQI
18th Jul 20265610 AMAQI
18th Jul 20266011 AMAQI
18th Jul 20265812 PMAQI
18th Jul 2026611 PMAQI
18th Jul 2026612 PMAQI
18th Jul 2026623 PMAQI
18th Jul 2026694 PMAQI
18th Jul 2026715 PMAQI
18th Jul 2026706 PMAQI
18th Jul 2026667 PMAQI
18th Jul 2026648 PMAQI
18th Jul 2026649 PMAQI
18th Jul 20266110 PMAQI
18th Jul 20266111 PMAQI
19th Jul 20266212 AMAQI
19th Jul 2026591 AMAQI
19th Jul 2026572 AMAQI
19th Jul 2026553 AMAQI
19th Jul 2026564 AMAQI

29°C26/32°C

19th Jul 2026565 AMAQI
19th Jul 2026556 AMAQI
19th Jul 2026577 AMAQI
19th Jul 2026558 AMAQI
19th Jul 2026539 AMAQI
19th Jul 20265110 AMAQI
19th Jul 20265211 AMAQI
19th Jul 20265412 PMAQI
19th Jul 2026551 PMAQI
19th Jul 2026522 PMAQI
19th Jul 2026493 PMAQI
19th Jul 2026514 PMAQI
19th Jul 2026505 PMAQI
19th Jul 2026486 PMAQI
19th Jul 2026477 PMAQI
19th Jul 2026488 PMAQI
19th Jul 2026519 PMAQI
19th Jul 20265210 PMAQI
19th Jul 20265111 PMAQI
20th Jul 20264712 AMAQI
20th Jul 2026461 AMAQI
20th Jul 2026502 AMAQI
20th Jul 2026493 AMAQI
20th Jul 2026494 AMAQI

29°C26/33°C

20th Jul 2026495 AMAQI
20th Jul 2026506 AMAQI
20th Jul 2026507 AMAQI
20th Jul 2026498 AMAQI
20th Jul 2026499 AMAQI
20th Jul 20265010 AMAQI
20th Jul 20265511 AMAQI
20th Jul 20265912 PMAQI
20th Jul 2026621 PMAQI
20th Jul 2026662 PMAQI
20th Jul 2026683 PMAQI
20th Jul 2026694 PMAQI
20th Jul 2026685 PMAQI
20th Jul 2026686 PMAQI
20th Jul 2026687 PMAQI
20th Jul 2026658 PMAQI
20th Jul 2026669 PMAQI
20th Jul 20266810 PMAQI
20th Jul 20266911 PMAQI
21st Jul 20266912 AMAQI
21st Jul 2026711 AMAQI
21st Jul 2026702 AMAQI
21st Jul 2026703 AMAQI
21st Jul 2026684 AMAQI

29°C26/31°C

21st Jul 2026665 AMAQI
21st Jul 2026646 AMAQI
21st Jul 2026637 AMAQI
21st Jul 2026658 AMAQI
21st Jul 2026679 AMAQI
21st Jul 20266310 AMAQI
21st Jul 20266511 AMAQI
21st Jul 2026781 PMAQI
21st Jul 2026882 PMAQI
21st Jul 2026873 PMAQI
21st Jul 2026904 PMAQI
21st Jul 2026905 PMAQI
21st Jul 2026876 PMAQI
21st Jul 20261077 PMAQI
21st Jul 2026848 PMAQI
21st Jul 2026809 PMAQI
21st Jul 20267310 PMAQI
21st Jul 20266511 PMAQI
22nd Jul 20266612 AMAQI
22nd Jul 2026641 AMAQI
22nd Jul 2026642 AMAQI
22nd Jul 2026633 AMAQI
22nd Jul 2026634 AMAQI

29°C26/32°C

22nd Jul 2026645 AMAQI
22nd Jul 2026666 AMAQI
22nd Jul 2026717 AMAQI
22nd Jul 2026728 AMAQI
22nd Jul 2026699 AMAQI
22nd Jul 20267010 AMAQI
22nd Jul 20267611 AMAQI
22nd Jul 20268212 PMAQI
22nd Jul 2026891 PMAQI
22nd Jul 2026932 PMAQI
22nd Jul 20261003 PMAQI
22nd Jul 20261034 PMAQI
22nd Jul 20261095 PMAQI
22nd Jul 20261156 PMAQI
22nd Jul 20261117 PMAQI
22nd Jul 20261058 PMAQI
22nd Jul 2026919 PMAQI
22nd Jul 20267410 PMAQI
22nd Jul 20266311 PMAQI
23rd Jul 20265412 AMAQI
23rd Jul 2026511 AMAQI
23rd Jul 2026562 AMAQI
23rd Jul 2026693 AMAQI
23rd Jul 2026654 AMAQI

29°C26/32°C

23rd Jul 2026635 AMAQI
23rd Jul 2026606 AMAQI
23rd Jul 2026527 AMAQI
23rd Jul 2026498 AMAQI
23rd Jul 2026459 AMAQI
23rd Jul 20264610 AMAQI
23rd Jul 20265111 AMAQI
23rd Jul 20265312 PMAQI
23rd Jul 2026551 PMAQI
23rd Jul 2026592 PMAQI
23rd Jul 2026593 PMAQI
23rd Jul 2026594 PMAQI
23rd Jul 2026625 PMAQI
23rd Jul 2026676 PMAQI
23rd Jul 2026717 PMAQI
23rd Jul 2026638 PMAQI
23rd Jul 2026649 PMAQI
23rd Jul 20266610 PMAQI
23rd Jul 20266611 PMAQI
24th Jul 20265912 AMAQI
24th Jul 2026421 AMAQI
24th Jul 2026342 AMAQI
24th Jul 2026323 AMAQI
24th Jul 2026354 AMAQI

29°C26/33°C

24th Jul 2026325 AMAQI
24th Jul 2026356 AMAQI
24th Jul 2026357 AMAQI
24th Jul 2026348 AMAQI
24th Jul 2026299 AMAQI
24th Jul 20263310 AMAQI
24th Jul 20263911 AMAQI
24th Jul 20264412 PMAQI
24th Jul 2026591 PMAQI
24th Jul 2026592 PMAQI
24th Jul 2026623 PMAQI
24th Jul 2026624 PMAQI
24th Jul 2026535 PMAQI
24th Jul 2026556 PMAQI
24th Jul 2026557 PMAQI
24th Jul 2026528 PMAQI
24th Jul 2026519 PMAQI
24th Jul 20264610 PMAQI
24th Jul 20264611 PMAQI
25th Jul 20264912 AMAQI
25th Jul 2026411 AMAQI
25th Jul 2026392 AMAQI
25th Jul 2026383 AMAQI
25th Jul 2026364 AMAQI

30°C26/33°C

25th Jul 2026395 AMAQI
25th Jul 2026366 AMAQI
25th Jul 2026337 AMAQI
25th Jul 2026388 AMAQI
25th Jul 2026339 AMAQI
25th Jul 20263710 AMAQI
25th Jul 20264311 AMAQI
25th Jul 20265112 PMAQI
25th Jul 2026631 PMAQI
25th Jul 2026652 PMAQI
25th Jul 2026593 PMAQI
25th Jul 2026604 PMAQI
25th Jul 2026575 PMAQI
25th Jul 2026516 PMAQI
25th Jul 2026527 PMAQI
25th Jul 2026548 PMAQI
25th Jul 2026519 PMAQI
25th Jul 20264910 PMAQI
25th Jul 20263911 PMAQI
26th Jul 20264012 AMAQI
26th Jul 2026331 AMAQI
26th Jul 2026322 AMAQI
26th Jul 2026313 AMAQI
26th Jul 2026364 AMAQI

29°C26/33°C

26th Jul 2026365 AMAQI
26th Jul 2026316 AMAQI
26th Jul 2026297 AMAQI
26th Jul 2026298 AMAQI
26th Jul 2026269 AMAQI
26th Jul 20262710 AMAQI
26th Jul 20263211 AMAQI
26th Jul 20263912 PMAQI
26th Jul 2026441 PMAQI
26th Jul 2026452 PMAQI
26th Jul 2026603 PMAQI
26th Jul 2026594 PMAQI
26th Jul 2026595 PMAQI
26th Jul 2026556 PMAQI
26th Jul 2026527 PMAQI
26th Jul 2026438 PMAQI
26th Jul 2026359 PMAQI
26th Jul 20263610 PMAQI
26th Jul 20263311 PMAQI
27th Jul 20263412 AMAQI
27th Jul 2026361 AMAQI
27th Jul 2026362 AMAQI
27th Jul 2026383 AMAQI
27th Jul 2026344 AMAQI

29°C26/33°C

27th Jul 2026335 AMAQI
27th Jul 2026316 AMAQI
27th Jul 2026327 AMAQI
27th Jul 2026348 AMAQI
27th Jul 2026349 AMAQI
27th Jul 20263210 AMAQI
27th Jul 20263511 AMAQI
27th Jul 20263312 PMAQI
27th Jul 2026451 PMAQI
27th Jul 2026382 PMAQI
27th Jul 2026413 PMAQI
27th Jul 2026434 PMAQI
27th Jul 2026485 PMAQI
27th Jul 2026586 PMAQI
27th Jul 2026467 PMAQI
27th Jul 2026508 PMAQI
27th Jul 2026509 PMAQI
27th Jul 20264910 PMAQI
27th Jul 20264511 PMAQI
28th Jul 20265012 AMAQI
28th Jul 2026501 AMAQI
28th Jul 2026482 AMAQI
28th Jul 2026493 AMAQI
28th Jul 2026484 AMAQI

29°C26/33°C

28th Jul 2026485 AMAQI
28th Jul 2026486 AMAQI
28th Jul 2026497 AMAQI
28th Jul 2026498 AMAQI
28th Jul 2026479 AMAQI
28th Jul 20264610 AMAQI
28th Jul 20264611 AMAQI
28th Jul 20264512 PMAQI
28th Jul 2026391 PMAQI
28th Jul 2026392 PMAQI
28th Jul 2026303 PMAQI
28th Jul 2026284 PMAQI
28th Jul 2026285 PMAQI
28th Jul 2026316 PMAQI
28th Jul 2026357 PMAQI
28th Jul 2026348 PMAQI
28th Jul 2026409 PMAQI
28th Jul 20263510 PMAQI
28th Jul 20263311 PMAQI
29th Jul 20263412 AMAQI
29th Jul 2026351 AMAQI
29th Jul 2026382 AMAQI
29th Jul 2026363 AMAQI
29th Jul 2026354 AMAQI

29°C26/32°C

29th Jul 2026345 AMAQI
29th Jul 2026366 AMAQI
29th Jul 2026387 AMAQI
29th Jul 2026358 AMAQI
29th Jul 2026369 AMAQI
29th Jul 20263310 AMAQI
29th Jul 20263511 AMAQI
29th Jul 20263412 PMAQI
29th Jul 2026371 PMAQI
29th Jul 2026402 PMAQI
29th Jul 2026383 PMAQI
29th Jul 2026414 PMAQI
29th Jul 2026425 PMAQI
29th Jul 2026416 PMAQI
29th Jul 2026447 PMAQI
29th Jul 2026438 PMAQI
29th Jul 2026449 PMAQI
29th Jul 20264210 PMAQI
29th Jul 20264311 PMAQI
30th Jul 20264412 AMAQI
30th Jul 2026421 AMAQI
30th Jul 2026432 AMAQI
30th Jul 2026433 AMAQI
30th Jul 2026434 AMAQI

27°C25/31°C

30th Jul 2026445 AMAQI
30th Jul 2026426 AMAQI
30th Jul 2026417 AMAQI
30th Jul 2026418 AMAQI
30th Jul 2026409 AMAQI
30th Jul 20263810 AMAQI
30th Jul 20263811 AMAQI
30th Jul 20263912 PMAQI
30th Jul 2026401 PMAQI
30th Jul 2026412 PMAQI
30th Jul 2026413 PMAQI
30th Jul 2026424 PMAQI
30th Jul 2026425 PMAQI
30th Jul 2026416 PMAQI
30th Jul 2026427 PMAQI
30th Jul 2026448 PMAQI
30th Jul 2026459 PMAQI
30th Jul 20264410 PMAQI
30th Jul 20264211 PMAQI
31st Jul 20263912 AMAQI
31st Jul 2026381 AMAQI
31st Jul 2026372 AMAQI
31st Jul 2026363 AMAQI
31st Jul 2026354 AMAQI

29°C26/33°C

31st Jul 2026345 AMAQI
5 AM
31st Jul 2026336 AMAQI
31st Jul 2026327 AMAQI
31st Jul 2026338 AMAQI
31st Jul 2026329 AMAQI
31st Jul 20263110 AMAQI
31st Jul 20263211 AMAQI
31st Jul 20263312 PMAQI
12 PM
31st Jul 2026341 PMAQI
31st Jul 2026362 PMAQI
31st Jul 2026373 PMAQI
31st Jul 2026394 PMAQI
31st Jul 2026395 PMAQI
31st Jul 2026366 PMAQI
31st Jul 2026387 PMAQI
7 PM
31st Jul 2026368 PMAQI
31st Jul 2026379 PMAQI
31st Jul 20264010 PMAQI
31st Jul 20264311 PMAQI
12 AM
4 AM

28°C25/33°C

Day time
Avg. Highest Time
2 PM - 7 PM

43AQI

6 hours / Day
180 hours / Month
Avg. Lowest Time
5 AM - 12 PM

37AQI

8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 PM to 7 PM (Avg. 43), while the lowest AQI was between 5 AM to 12 PM (Avg. 37).
Night time
Avg. Highest Time
8 PM - 11 PM

41AQI

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

38AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 11 PM (Avg. 41), while the lowest AQI was between 12 AM to 4 AM (Avg. 38).

2026 Days Vs Air Quality

Hayashima, Okayama, Japan

2026

70%

149

30%

63

Total number of days with different AQI categories in last 212 days in 2026 (153 days remaining)

Good
149 Days
Moderate
63 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 70%

Health Risk Level:

Low

In 2026, 70% of 212 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

Hayashima, Okayama, 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
29AQI (US)
2nd January 2026
27AQI (US)
3rd January 2026
28AQI (US)
4th January 2026
49AQI (US)
5th January 2026
55AQI (US)
6th January 2026
29AQI (US)
7th January 2026
49AQI (US)
8th January 2026
38AQI (US)
9th January 2026
34AQI (US)
10th January 2026
50AQI (US)
11th January 2026
37AQI (US)
12th January 2026
37AQI (US)
13th January 2026
42AQI (US)
14th January 2026
33AQI (US)
15th January 2026
50AQI (US)
16th January 2026
78AQI (US)
17th January 2026
95AQI (US)
18th January 2026
61AQI (US)
19th January 2026
66AQI (US)
20th January 2026
30AQI (US)
21st January 2026
21AQI (US)
22nd January 2026
31AQI (US)
23rd January 2026
41AQI (US)
24th January 2026
53AQI (US)
25th January 2026
32AQI (US)
26th January 2026
27AQI (US)
27th January 2026
43AQI (US)
28th January 2026
31AQI (US)
29th January 2026
28AQI (US)
30th January 2026
40AQI (US)
31st January 2026
37AQI (US)
1st February 2026
46AQI (US)
2nd February 2026
48AQI (US)
3rd February 2026
28AQI (US)
4th February 2026
50AQI (US)
5th February 2026
57AQI (US)
6th February 2026
53AQI (US)
7th February 2026
18AQI (US)
8th February 2026
18AQI (US)
9th February 2026
39AQI (US)
10th February 2026
47AQI (US)
11th February 2026
54AQI (US)
12th February 2026
54AQI (US)
13th February 2026
61AQI (US)
14th February 2026
74AQI (US)
15th February 2026
80AQI (US)
16th February 2026
58AQI (US)
17th February 2026
28AQI (US)
18th February 2026
41AQI (US)
19th February 2026
37AQI (US)
20th February 2026
46AQI (US)
21st February 2026
67AQI (US)
22nd February 2026
60AQI (US)
23rd February 2026
58AQI (US)
24th February 2026
50AQI (US)
25th February 2026
14AQI (US)
26th February 2026
13AQI (US)
27th February 2026
51AQI (US)
28th February 2026
22AQI (US)
1st March 2026
35AQI (US)
2nd March 2026
58AQI (US)
3rd March 2026
38AQI (US)
4th March 2026
48AQI (US)
5th March 2026
51AQI (US)
6th March 2026
57AQI (US)
7th March 2026
40AQI (US)
8th March 2026
20AQI (US)
9th March 2026
39AQI (US)
10th March 2026
57AQI (US)
11th March 2026
55AQI (US)
12th March 2026
58AQI (US)
13th March 2026
37AQI (US)
14th March 2026
43AQI (US)
15th March 2026
56AQI (US)
16th March 2026
28AQI (US)
17th March 2026
35AQI (US)
18th March 2026
51AQI (US)
19th March 2026
58AQI (US)
20th March 2026
68AQI (US)
21st March 2026
56AQI (US)
22nd March 2026
62AQI (US)
23rd March 2026
62AQI (US)
24th March 2026
52AQI (US)
25th March 2026
47AQI (US)
26th March 2026
20AQI (US)
27th March 2026
43AQI (US)
28th March 2026
79AQI (US)
29th March 2026
85AQI (US)
30th March 2026
82AQI (US)
31st March 2026
22AQI (US)
1st April 2026
14AQI (US)
2nd April 2026
54AQI (US)
3rd April 2026
56AQI (US)
4th April 2026
34AQI (US)
5th April 2026
28AQI (US)
6th April 2026
68AQI (US)
7th April 2026
36AQI (US)
8th April 2026
42AQI (US)
9th April 2026
32AQI (US)
10th April 2026
46AQI (US)
11th April 2026
51AQI (US)
12th April 2026
41AQI (US)
13th April 2026
41AQI (US)
14th April 2026
40AQI (US)
15th April 2026
33AQI (US)
16th April 2026
33AQI (US)
17th April 2026
35AQI (US)
18th April 2026
31AQI (US)
19th April 2026
32AQI (US)
20th April 2026
30AQI (US)
21st April 2026
45AQI (US)
22nd April 2026
41AQI (US)
23rd April 2026
31AQI (US)
24th April 2026
26AQI (US)
25th April 2026
46AQI (US)
26th April 2026
50AQI (US)
27th April 2026
51AQI (US)
28th April 2026
57AQI (US)
29th April 2026
40AQI (US)
30th April 2026
24AQI (US)
1st May 2026
47AQI (US)
2nd May 2026
60AQI (US)
3rd May 2026
54AQI (US)
4th May 2026
25AQI (US)
5th May 2026
23AQI (US)
6th May 2026
28AQI (US)
7th May 2026
34AQI (US)
8th May 2026
49AQI (US)
9th May 2026
36AQI (US)
10th May 2026
31AQI (US)
11th May 2026
34AQI (US)
12th May 2026
40AQI (US)
13th May 2026
39AQI (US)
14th May 2026
39AQI (US)
15th May 2026
34AQI (US)
16th May 2026
78AQI (US)
17th May 2026
64AQI (US)
18th May 2026
53AQI (US)
19th May 2026
47AQI (US)
20th May 2026
61AQI (US)
21st May 2026
65AQI (US)
22nd May 2026
68AQI (US)
23rd May 2026
61AQI (US)
24th May 2026
63AQI (US)
25th May 2026
54AQI (US)
26th May 2026
40AQI (US)
27th May 2026
18AQI (US)
28th May 2026
33AQI (US)
29th May 2026
36AQI (US)
30th May 2026
38AQI (US)
31st May 2026
57AQI (US)
1st June 2026
51AQI (US)
2nd June 2026
17AQI (US)
3rd June 2026
13AQI (US)
4th June 2026
25AQI (US)
5th June 2026
22AQI (US)
6th June 2026
24AQI (US)
7th June 2026
21AQI (US)
8th June 2026
21AQI (US)
9th June 2026
31AQI (US)
10th June 2026
29AQI (US)
11th June 2026
46AQI (US)
12th June 2026
49AQI (US)
13th June 2026
39AQI (US)
14th June 2026
33AQI (US)
15th June 2026
25AQI (US)
16th June 2026
26AQI (US)
17th June 2026
23AQI (US)
18th June 2026
31AQI (US)
19th June 2026
31AQI (US)
20th June 2026
43AQI (US)
21st June 2026
26AQI (US)
22nd June 2026
16AQI (US)
23rd June 2026
22AQI (US)
24th June 2026
21AQI (US)
25th June 2026
26AQI (US)
26th June 2026
29AQI (US)
27th June 2026
26AQI (US)
28th June 2026
27AQI (US)
29th June 2026
46AQI (US)
30th June 2026
56AQI (US)
1st July 2026
59AQI (US)
2nd July 2026
18AQI (US)
3rd July 2026
28AQI (US)
4th July 2026
32AQI (US)
5th July 2026
26AQI (US)
6th July 2026
23AQI (US)
7th July 2026
26AQI (US)
8th July 2026
25AQI (US)
9th July 2026
25AQI (US)
10th July 2026
27AQI (US)
11th July 2026
29AQI (US)
12th July 2026
28AQI (US)
13th July 2026
35AQI (US)
14th July 2026
33AQI (US)
15th July 2026
27AQI (US)
16th July 2026
31AQI (US)
17th July 2026
55AQI (US)
18th July 2026
60AQI (US)
19th July 2026
53AQI (US)
20th July 2026
58AQI (US)
21st July 2026
75AQI (US)
22nd July 2026
81AQI (US)
23rd July 2026
59AQI (US)
24th July 2026
45AQI (US)
25th July 2026
46AQI (US)
26th July 2026
39AQI (US)
27th July 2026
40AQI (US)
28th July 2026
42AQI (US)
29th July 2026
38AQI (US)
30th July 2026
42AQI (US)
31st July 2026
36AQI (US)
1st August 2026
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

42AQI (US)

45AQI (US)

50AQI (US)

40AQI (US)

45AQI (US)

30AQI (US)

40AQI (US)

No. of days

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

202642AQI (US)

25
6
16
12
14
17
24
6
19
12
28
2
23
8
149
63

Highest AQI (US) recorded in

March

50AQI (US)

Lowest AQI (US) recorded in

June

30AQI (US)

202550AQI (US)

25
6
22
6
14
15
2
9
21
19
12
9
21
17
13
1
21
10
30
12
19
5
25
14
17
197
165
3

Highest AQI (US) recorded in

November

60AQI (US)

Lowest AQI (US) recorded in

September

33AQI (US)

202443AQI (US)

16
15
22
7
22
9
14
15
1
19
12
19
11
28
3
26
5
27
3
30
1
22
8
30
1
275
90
1

Highest AQI (US) recorded in

April

56AQI (US)

Lowest AQI (US) recorded in

October

35AQI (US)

202348AQI (US)

20
10
1
14
14
11
20
12
18
18
13
15
15
23
8
28
3
26
4
20
11
16
11
2
16
14
219
141
3

Highest AQI (US) recorded in

March

58AQI (US)

Lowest AQI (US) recorded in

August

37AQI (US)

202246AQI (US)

20
10
16
5
11
20
12
18
14
17
18
12
19
5
2
27
2
24
7
17
12
1
26
5
206
113
1

Highest AQI (US) recorded in

March

57AQI (US)

Lowest AQI (US) recorded in

September

34AQI (US)

202143AQI (US)

20
11
17
11
19
11
18
6
14
17
18
12
27
4
26
5
25
5
25
6
17
13
21
10
247
111

Highest AQI (US) recorded in

May

52AQI (US)

Lowest AQI (US) recorded in

August

35AQI (US)

202047AQI (US)

5
8
13
8
9
9
18
12
27
4
14
13
4
18
1
22
9
16
14
19
11
1
161
89
5

Highest AQI (US) recorded in

August

62AQI (US)

Lowest AQI (US) recorded in

September

32AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
50AQI (US)
Least Polluted Year Recorded
2026(Avg.)
42AQI (US)

Hayashima's annual 2026 AQI (US) (42) shows an average percentage change of -8.7% (improved AQI (US)) compared to previous years: 2020 (47), 2021 (43), 2022 (46), 2023 (48), 2024 (43), 2025 (50).