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Higashidaidacha Yamanouchi, Owariasahi, Aichi, 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+

September Air Quality Analysis

Higashidaidacha Yamanouchi, Owariasahi, Aichi, Japan

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
7th Sep 2024
63AQI
Lowest AQI recorded on
23rd Sep 2022
10AQI

Same Day Analysis (29th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 29 of Good air quality, showing improvement over 2023 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 29th Sep - 30th Sep 2025

Higashidaidacha Yamanouchi, Owariasahi, Aichi, Japan

AQI
Day
Night
.

5 AM29th Sep 2025

6 PM

4 AM30th Sep 2025

Day time
Avg. Highest Time
12AMNaNth undefined

AQI

Avg. Lowest Time
12AMNaNth undefined

AQI

Night time
Avg. Highest Time
8AM29th Sep

38AQI

Avg. Lowest Time
11PM29th Sep

11AQI

In the last 24 hours,

Higashidaidacha Yamanouchi's AQI reached its highest point of 38 at 8 AM during the Night, while the lowest point, 11, was recorded at 11 PM during the Night between 29th Sep and 30th Sep 2025.

Day & Night AQI Trend : Aug - Sep 2025

Higashidaidacha Yamanouchi, Owariasahi, Aichi, Japan

AugSep
31st - 01st01st - 02nd02nd - 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
Day
Night
31st Aug 2025545 AMAQI
31st Aug 2025536 AMAQI
31st Aug 2025547 AMAQI
31st Aug 2025548 AMAQI
31st Aug 2025629 AMAQI
31st Aug 20256410 AMAQI
31st Aug 20256311 AMAQI
31st Aug 20255912 PMAQI
31st Aug 2025621 PMAQI
31st Aug 2025582 PMAQI
31st Aug 2025573 PMAQI
31st Aug 2025554 PMAQI
31st Aug 2025535 PMAQI
31st Aug 2025536 PMAQI
31st Aug 2025577 PMAQI
31st Aug 2025548 PMAQI
31st Aug 2025549 PMAQI
31st Aug 20255210 PMAQI
31st Aug 20255111 PMAQI
1st Sep 20255212 AMAQI
1st Sep 2025501 AMAQI
1st Sep 2025522 AMAQI
1st Sep 2025523 AMAQI
1st Sep 2025544 AMAQI

30°C26/36°C

1st Sep 2025545 AMAQI
1st Sep 2025546 AMAQI
1st Sep 2025537 AMAQI
1st Sep 2025548 AMAQI
1st Sep 2025479 AMAQI
1st Sep 20254110 AMAQI
1st Sep 20253011 AMAQI
1st Sep 20253712 PMAQI
1st Sep 2025351 PMAQI
1st Sep 2025382 PMAQI
1st Sep 2025343 PMAQI
1st Sep 2025274 PMAQI
1st Sep 2025405 PMAQI
1st Sep 2025246 PMAQI
1st Sep 2025357 PMAQI
1st Sep 2025398 PMAQI
1st Sep 2025399 PMAQI
1st Sep 20253810 PMAQI
1st Sep 20253811 PMAQI
2nd Sep 20254212 AMAQI
2nd Sep 2025501 AMAQI
2nd Sep 2025522 AMAQI
2nd Sep 2025523 AMAQI
2nd Sep 2025504 AMAQI

30°C26/35°C

2nd Sep 2025485 AMAQI
2nd Sep 2025506 AMAQI
2nd Sep 2025487 AMAQI
2nd Sep 2025498 AMAQI
2nd Sep 2025169 AMAQI
2nd Sep 20251710 AMAQI
2nd Sep 20252111 AMAQI
2nd Sep 20252412 PMAQI
2nd Sep 2025311 PMAQI
2nd Sep 2025242 PMAQI
2nd Sep 2025353 PMAQI
2nd Sep 2025304 PMAQI
2nd Sep 2025385 PMAQI
2nd Sep 2025266 PMAQI
2nd Sep 2025317 PMAQI
2nd Sep 2025388 PMAQI
2nd Sep 2025369 PMAQI
2nd Sep 20253210 PMAQI
2nd Sep 20253211 PMAQI
3rd Sep 20253412 AMAQI
3rd Sep 2025441 AMAQI
3rd Sep 2025482 AMAQI
3rd Sep 2025483 AMAQI
3rd Sep 2025454 AMAQI

30°C25/35°C

3rd Sep 2025445 AMAQI
3rd Sep 2025446 AMAQI
3rd Sep 2025487 AMAQI
3rd Sep 2025478 AMAQI
3rd Sep 2025269 AMAQI
3rd Sep 20253110 AMAQI
3rd Sep 20253611 AMAQI
3rd Sep 20253212 PMAQI
3rd Sep 2025391 PMAQI
3rd Sep 2025442 PMAQI
3rd Sep 2025413 PMAQI
3rd Sep 2025364 PMAQI
3rd Sep 2025305 PMAQI
3rd Sep 2025526 PMAQI
3rd Sep 2025367 PMAQI
3rd Sep 2025318 PMAQI
3rd Sep 2025319 PMAQI
3rd Sep 20253210 PMAQI
3rd Sep 20253011 PMAQI
4th Sep 20253112 AMAQI
4th Sep 2025421 AMAQI
4th Sep 2025452 AMAQI
4th Sep 2025453 AMAQI
4th Sep 2025444 AMAQI

28°C25/35°C

4th Sep 2025425 AMAQI
4th Sep 2025436 AMAQI
4th Sep 2025427 AMAQI
4th Sep 2025448 AMAQI
4th Sep 2025199 AMAQI
4th Sep 20252210 AMAQI
4th Sep 20251811 AMAQI
4th Sep 20252512 PMAQI
4th Sep 2025221 PMAQI
4th Sep 2025272 PMAQI
4th Sep 2025223 PMAQI
4th Sep 2025194 PMAQI
4th Sep 2025185 PMAQI
4th Sep 2025156 PMAQI
4th Sep 2025197 PMAQI
4th Sep 2025228 PMAQI
4th Sep 2025199 PMAQI
4th Sep 20251710 PMAQI
4th Sep 20251711 PMAQI
5th Sep 20251312 AMAQI
5th Sep 2025371 AMAQI
5th Sep 2025412 AMAQI
5th Sep 2025423 AMAQI
5th Sep 2025404 AMAQI

25°C23/26°C

5th Sep 2025375 AMAQI
5th Sep 2025366 AMAQI
5th Sep 2025377 AMAQI
5th Sep 2025388 AMAQI
5th Sep 2025209 AMAQI
5th Sep 20252010 AMAQI
5th Sep 20251911 AMAQI
5th Sep 20251612 PMAQI
5th Sep 2025191 PMAQI
5th Sep 2025182 PMAQI
5th Sep 2025183 PMAQI
5th Sep 2025234 PMAQI
5th Sep 2025225 PMAQI
5th Sep 2025236 PMAQI
5th Sep 2025327 PMAQI
5th Sep 2025308 PMAQI
5th Sep 2025219 PMAQI
5th Sep 20252210 PMAQI
5th Sep 20252411 PMAQI
6th Sep 20252112 AMAQI
6th Sep 2025251 AMAQI
6th Sep 2025242 AMAQI
6th Sep 2025243 AMAQI
6th Sep 2025274 AMAQI

24°C23/27°C

6th Sep 2025265 AMAQI
6th Sep 2025286 AMAQI
6th Sep 2025277 AMAQI
6th Sep 2025278 AMAQI
6th Sep 2025189 AMAQI
6th Sep 20251810 AMAQI
6th Sep 20252811 AMAQI
6th Sep 20252012 PMAQI
6th Sep 2025291 PMAQI
6th Sep 2025282 PMAQI
6th Sep 2025313 PMAQI
6th Sep 2025344 PMAQI
6th Sep 2025355 PMAQI
6th Sep 2025306 PMAQI
6th Sep 2025347 PMAQI
6th Sep 2025328 PMAQI
6th Sep 2025289 PMAQI
6th Sep 20252310 PMAQI
6th Sep 20252611 PMAQI
7th Sep 20252712 AMAQI
7th Sep 2025241 AMAQI
7th Sep 2025252 AMAQI
7th Sep 2025253 AMAQI
7th Sep 2025264 AMAQI

26°C21/31°C

7th Sep 2025245 AMAQI
7th Sep 2025256 AMAQI
7th Sep 2025267 AMAQI
7th Sep 2025268 AMAQI
7th Sep 2025269 AMAQI
7th Sep 20252210 AMAQI
7th Sep 20252811 AMAQI
7th Sep 20254212 PMAQI
7th Sep 2025411 PMAQI
7th Sep 2025462 PMAQI
7th Sep 2025503 PMAQI
7th Sep 2025504 PMAQI
7th Sep 2025465 PMAQI
7th Sep 2025426 PMAQI
7th Sep 2025527 PMAQI
7th Sep 2025428 PMAQI
7th Sep 2025359 PMAQI
7th Sep 20253010 PMAQI
7th Sep 20252911 PMAQI
8th Sep 20253112 AMAQI
8th Sep 2025261 AMAQI
8th Sep 2025272 AMAQI
8th Sep 2025263 AMAQI
8th Sep 2025264 AMAQI

27°C23/32°C

8th Sep 2025275 AMAQI
8th Sep 2025276 AMAQI
8th Sep 2025277 AMAQI
8th Sep 2025278 AMAQI
8th Sep 2025419 AMAQI
8th Sep 20254710 AMAQI
8th Sep 20254111 AMAQI
8th Sep 20255312 PMAQI
8th Sep 2025551 PMAQI
8th Sep 2025532 PMAQI
8th Sep 2025463 PMAQI
8th Sep 2025524 PMAQI
8th Sep 2025555 PMAQI
8th Sep 2025466 PMAQI
8th Sep 2025507 PMAQI
8th Sep 2025318 PMAQI
8th Sep 2025329 PMAQI
8th Sep 20253210 PMAQI
8th Sep 20253211 PMAQI
9th Sep 20253012 AMAQI
9th Sep 2025301 AMAQI
9th Sep 2025282 AMAQI
9th Sep 2025293 AMAQI
9th Sep 2025314 AMAQI

29°C24/34°C

9th Sep 2025325 AMAQI
9th Sep 2025326 AMAQI
9th Sep 2025327 AMAQI
9th Sep 2025328 AMAQI
9th Sep 2025389 AMAQI
9th Sep 20254010 AMAQI
9th Sep 20254211 AMAQI
9th Sep 20253312 PMAQI
9th Sep 2025371 PMAQI
9th Sep 2025442 PMAQI
9th Sep 2025413 PMAQI
9th Sep 2025444 PMAQI
9th Sep 2025515 PMAQI
9th Sep 2025586 PMAQI
9th Sep 2025537 PMAQI
9th Sep 2025488 PMAQI
9th Sep 2025399 PMAQI
9th Sep 20253610 PMAQI
9th Sep 20253611 PMAQI
10th Sep 20253612 AMAQI
10th Sep 2025331 AMAQI
10th Sep 2025322 AMAQI
10th Sep 2025303 AMAQI
10th Sep 2025324 AMAQI

29°C25/34°C

10th Sep 2025345 AMAQI
10th Sep 2025336 AMAQI
10th Sep 2025347 AMAQI
10th Sep 2025348 AMAQI
10th Sep 2025499 AMAQI
10th Sep 20255410 AMAQI
10th Sep 20255611 AMAQI
10th Sep 20255412 PMAQI
10th Sep 2025581 PMAQI
10th Sep 2025432 PMAQI
10th Sep 2025493 PMAQI
10th Sep 2025404 PMAQI
10th Sep 2025295 PMAQI
10th Sep 2025286 PMAQI
10th Sep 2025267 PMAQI
10th Sep 2025288 PMAQI
10th Sep 2025289 PMAQI
10th Sep 20253110 PMAQI
10th Sep 20252611 PMAQI
11th Sep 20252612 AMAQI
11th Sep 2025341 AMAQI
11th Sep 2025332 AMAQI
11th Sep 2025343 AMAQI
11th Sep 2025374 AMAQI

27°C24/32°C

11th Sep 2025385 AMAQI
11th Sep 2025376 AMAQI
11th Sep 2025367 AMAQI
11th Sep 2025388 AMAQI
11th Sep 2025179 AMAQI
11th Sep 20253010 AMAQI
11th Sep 20251711 AMAQI
11th Sep 20252212 PMAQI
11th Sep 2025231 PMAQI
11th Sep 2025282 PMAQI
11th Sep 2025263 PMAQI
11th Sep 2025324 PMAQI
11th Sep 2025295 PMAQI
11th Sep 2025256 PMAQI
11th Sep 2025267 PMAQI
11th Sep 2025328 PMAQI
11th Sep 2025319 PMAQI
11th Sep 20252810 PMAQI
11th Sep 20253011 PMAQI
12th Sep 20253412 AMAQI
12th Sep 2025351 AMAQI
12th Sep 2025362 AMAQI
12th Sep 2025363 AMAQI
12th Sep 2025344 AMAQI

25°C23/29°C

12th Sep 2025325 AMAQI
12th Sep 2025336 AMAQI
12th Sep 2025337 AMAQI
12th Sep 2025328 AMAQI
12th Sep 2025239 AMAQI
12th Sep 20252310 AMAQI
12th Sep 20252011 AMAQI
12th Sep 20252212 PMAQI
12th Sep 2025301 PMAQI
12th Sep 2025442 PMAQI
12th Sep 2025333 PMAQI
12th Sep 2025304 PMAQI
12th Sep 2025305 PMAQI
12th Sep 2025296 PMAQI
12th Sep 2025317 PMAQI
12th Sep 2025258 PMAQI
12th Sep 2025309 PMAQI
12th Sep 20252610 PMAQI
12th Sep 20252611 PMAQI
13th Sep 20252812 AMAQI
13th Sep 2025321 AMAQI
13th Sep 2025332 AMAQI
13th Sep 2025343 AMAQI
13th Sep 2025344 AMAQI

24°C22/28°C

13th Sep 2025345 AMAQI
13th Sep 2025336 AMAQI
13th Sep 2025337 AMAQI
13th Sep 2025328 AMAQI
13th Sep 2025199 AMAQI
13th Sep 20251510 AMAQI
13th Sep 20251711 AMAQI
13th Sep 20252312 PMAQI
13th Sep 2025231 PMAQI
13th Sep 2025222 PMAQI
13th Sep 2025263 PMAQI
13th Sep 2025254 PMAQI
13th Sep 2025225 PMAQI
13th Sep 2025226 PMAQI
13th Sep 2025227 PMAQI
13th Sep 2025268 PMAQI
13th Sep 2025239 PMAQI
13th Sep 20252610 PMAQI
13th Sep 20252711 PMAQI
14th Sep 20252612 AMAQI
14th Sep 2025301 AMAQI
14th Sep 2025322 AMAQI
14th Sep 2025323 AMAQI
14th Sep 2025304 AMAQI

25°C23/28°C

14th Sep 2025325 AMAQI
14th Sep 2025306 AMAQI
14th Sep 2025317 AMAQI
14th Sep 2025318 AMAQI
14th Sep 2025249 AMAQI
14th Sep 20252310 AMAQI
14th Sep 20252411 AMAQI
14th Sep 20253612 PMAQI
14th Sep 2025481 PMAQI
14th Sep 2025362 PMAQI
14th Sep 2025393 PMAQI
14th Sep 2025374 PMAQI
14th Sep 2025495 PMAQI
14th Sep 2025526 PMAQI
14th Sep 2025527 PMAQI
14th Sep 2025488 PMAQI
14th Sep 2025429 PMAQI
14th Sep 20254610 PMAQI
14th Sep 20254311 PMAQI
15th Sep 20254212 AMAQI
15th Sep 2025351 AMAQI
15th Sep 2025322 AMAQI
15th Sep 2025323 AMAQI
15th Sep 2025324 AMAQI

26°C23/29°C

15th Sep 2025325 AMAQI
15th Sep 2025336 AMAQI
15th Sep 2025337 AMAQI
15th Sep 2025338 AMAQI
15th Sep 2025439 AMAQI
15th Sep 20255010 AMAQI
15th Sep 20254211 AMAQI
15th Sep 20254012 PMAQI
15th Sep 2025331 PMAQI
15th Sep 2025252 PMAQI
15th Sep 2025243 PMAQI
15th Sep 2025224 PMAQI
15th Sep 2025245 PMAQI
15th Sep 2025226 PMAQI
15th Sep 2025247 PMAQI
15th Sep 2025338 PMAQI
15th Sep 2025309 PMAQI
15th Sep 20253210 PMAQI
15th Sep 20253311 PMAQI
16th Sep 20253112 AMAQI
16th Sep 2025351 AMAQI
16th Sep 2025352 AMAQI
16th Sep 2025353 AMAQI
16th Sep 2025364 AMAQI

28°C24/33°C

16th Sep 2025365 AMAQI
16th Sep 2025366 AMAQI
16th Sep 2025367 AMAQI
16th Sep 2025368 AMAQI
16th Sep 2025459 AMAQI
16th Sep 20255310 AMAQI
16th Sep 20255411 AMAQI
16th Sep 20255412 PMAQI
16th Sep 2025551 PMAQI
16th Sep 2025512 PMAQI
16th Sep 2025463 PMAQI
16th Sep 2025524 PMAQI
16th Sep 2025645 PMAQI
16th Sep 2025736 PMAQI
16th Sep 2025627 PMAQI
16th Sep 2025508 PMAQI
16th Sep 2025479 PMAQI
16th Sep 20254610 PMAQI
16th Sep 20254511 PMAQI
17th Sep 20254712 AMAQI
17th Sep 2025361 AMAQI
17th Sep 2025342 AMAQI
17th Sep 2025333 AMAQI
17th Sep 2025364 AMAQI

28°C24/33°C

17th Sep 2025385 AMAQI
17th Sep 2025386 AMAQI
17th Sep 2025387 AMAQI
17th Sep 2025388 AMAQI
17th Sep 2025529 AMAQI
17th Sep 20255710 AMAQI
17th Sep 20255811 AMAQI
17th Sep 20255912 PMAQI
17th Sep 2025621 PMAQI
17th Sep 2025602 PMAQI
17th Sep 2025583 PMAQI
17th Sep 2025564 PMAQI
17th Sep 2025595 PMAQI
17th Sep 2025576 PMAQI
17th Sep 2025567 PMAQI
17th Sep 2025588 PMAQI
17th Sep 2025559 PMAQI
17th Sep 20255410 PMAQI
17th Sep 20255411 PMAQI
18th Sep 20255512 AMAQI
18th Sep 2025501 AMAQI
18th Sep 2025382 AMAQI
18th Sep 2025373 AMAQI
18th Sep 2025404 AMAQI

28°C24/33°C

18th Sep 2025455 AMAQI
18th Sep 2025446 AMAQI
18th Sep 2025447 AMAQI
18th Sep 2025458 AMAQI
18th Sep 2025549 AMAQI
18th Sep 20256510 AMAQI
18th Sep 20256811 AMAQI
18th Sep 20256312 PMAQI
18th Sep 2025531 PMAQI
18th Sep 2025422 PMAQI
18th Sep 2025353 PMAQI
18th Sep 2025264 PMAQI
18th Sep 2025185 PMAQI
18th Sep 2025176 PMAQI
18th Sep 2025167 PMAQI
18th Sep 2025208 PMAQI
18th Sep 2025309 PMAQI
18th Sep 20253410 PMAQI
18th Sep 20253311 PMAQI
19th Sep 20253212 AMAQI
19th Sep 2025361 AMAQI
19th Sep 2025452 AMAQI
19th Sep 2025463 AMAQI
19th Sep 2025474 AMAQI

26°C23/31°C

19th Sep 2025515 AMAQI
19th Sep 2025506 AMAQI
19th Sep 2025507 AMAQI
19th Sep 2025498 AMAQI
19th Sep 2025259 AMAQI
19th Sep 20252010 AMAQI
19th Sep 20252211 AMAQI
19th Sep 20251612 PMAQI
19th Sep 2025241 PMAQI
19th Sep 2025302 PMAQI
19th Sep 2025303 PMAQI
19th Sep 2025294 PMAQI
19th Sep 2025305 PMAQI
19th Sep 2025276 PMAQI
19th Sep 2025257 PMAQI
19th Sep 2025288 PMAQI
19th Sep 2025349 PMAQI
19th Sep 20253410 PMAQI
19th Sep 20253411 PMAQI
20th Sep 20253312 AMAQI
20th Sep 2025371 AMAQI
20th Sep 2025412 AMAQI
20th Sep 2025413 AMAQI
20th Sep 2025404 AMAQI

24°C22/28°C

20th Sep 2025385 AMAQI
20th Sep 2025376 AMAQI
20th Sep 2025377 AMAQI
20th Sep 2025388 AMAQI
20th Sep 2025329 AMAQI
20th Sep 20253010 AMAQI
20th Sep 20253211 AMAQI
20th Sep 20253112 PMAQI
20th Sep 2025321 PMAQI
20th Sep 2025322 PMAQI
20th Sep 2025393 PMAQI
20th Sep 2025404 PMAQI
20th Sep 2025385 PMAQI
20th Sep 2025386 PMAQI
20th Sep 2025377 PMAQI
20th Sep 2025428 PMAQI
20th Sep 2025419 PMAQI
20th Sep 20254410 PMAQI
20th Sep 20254511 PMAQI
21st Sep 20254412 AMAQI
21st Sep 2025421 AMAQI
21st Sep 2025392 AMAQI
21st Sep 2025383 AMAQI
21st Sep 2025384 AMAQI

22°C21/23°C

21st Sep 2025375 AMAQI
21st Sep 2025366 AMAQI
21st Sep 2025377 AMAQI
21st Sep 2025378 AMAQI
21st Sep 2025249 AMAQI
21st Sep 20251910 AMAQI
21st Sep 20251811 AMAQI
21st Sep 20251512 PMAQI
21st Sep 2025141 PMAQI
21st Sep 2025152 PMAQI
21st Sep 2025183 PMAQI
21st Sep 2025144 PMAQI
21st Sep 2025145 PMAQI
21st Sep 2025146 PMAQI
21st Sep 2025167 PMAQI
21st Sep 2025188 PMAQI
21st Sep 2025289 PMAQI
21st Sep 20252910 PMAQI
21st Sep 20253011 PMAQI
22nd Sep 20252812 AMAQI
22nd Sep 2025341 AMAQI
22nd Sep 2025392 AMAQI
22nd Sep 2025393 AMAQI
22nd Sep 2025384 AMAQI

24°C20/30°C

22nd Sep 2025345 AMAQI
22nd Sep 2025346 AMAQI
22nd Sep 2025347 AMAQI
22nd Sep 2025348 AMAQI
22nd Sep 2025209 AMAQI
22nd Sep 20252210 AMAQI
22nd Sep 20253011 AMAQI
22nd Sep 20252712 PMAQI
22nd Sep 2025231 PMAQI
22nd Sep 2025212 PMAQI
22nd Sep 2025263 PMAQI
22nd Sep 2025314 PMAQI
22nd Sep 2025365 PMAQI
22nd Sep 2025306 PMAQI
22nd Sep 2025297 PMAQI
22nd Sep 2025318 PMAQI
22nd Sep 2025329 PMAQI
22nd Sep 20253210 PMAQI
22nd Sep 20253211 PMAQI
23rd Sep 20253412 AMAQI
23rd Sep 2025341 AMAQI
23rd Sep 2025352 AMAQI
23rd Sep 2025353 AMAQI
23rd Sep 2025344 AMAQI

21°C17/26°C

23rd Sep 2025325 AMAQI
23rd Sep 2025326 AMAQI
23rd Sep 2025327 AMAQI
23rd Sep 2025328 AMAQI
23rd Sep 2025439 AMAQI
23rd Sep 20254610 AMAQI
23rd Sep 20254211 AMAQI
23rd Sep 20254012 PMAQI
23rd Sep 2025391 PMAQI
23rd Sep 2025382 PMAQI
23rd Sep 2025423 PMAQI
23rd Sep 2025534 PMAQI
23rd Sep 2025505 PMAQI
23rd Sep 2025426 PMAQI
23rd Sep 2025337 PMAQI
23rd Sep 2025318 PMAQI
23rd Sep 2025329 PMAQI
23rd Sep 20253210 PMAQI
23rd Sep 20253011 PMAQI
24th Sep 20253012 AMAQI
24th Sep 2025321 AMAQI
24th Sep 2025332 AMAQI
24th Sep 2025333 AMAQI
24th Sep 2025334 AMAQI

22°C19/25°C

24th Sep 2025345 AMAQI
24th Sep 2025336 AMAQI
24th Sep 2025347 AMAQI
24th Sep 2025348 AMAQI
24th Sep 2025429 AMAQI
24th Sep 20255210 AMAQI
24th Sep 20255411 AMAQI
24th Sep 20254812 PMAQI
24th Sep 2025431 PMAQI
24th Sep 2025402 PMAQI
24th Sep 2025403 PMAQI
24th Sep 2025354 PMAQI
24th Sep 2025325 PMAQI
24th Sep 2025326 PMAQI
24th Sep 2025297 PMAQI
24th Sep 2025308 PMAQI
24th Sep 2025309 PMAQI
24th Sep 20252710 PMAQI
24th Sep 20253011 PMAQI
25th Sep 20252912 AMAQI
25th Sep 2025301 AMAQI
25th Sep 2025322 AMAQI
25th Sep 2025313 AMAQI
25th Sep 2025324 AMAQI

22°C18/26°C

25th Sep 2025345 AMAQI
25th Sep 2025346 AMAQI
25th Sep 2025347 AMAQI
25th Sep 2025348 AMAQI
25th Sep 2025369 AMAQI
25th Sep 20253810 AMAQI
25th Sep 20253511 AMAQI
25th Sep 20253812 PMAQI
25th Sep 2025391 PMAQI
25th Sep 2025462 PMAQI
25th Sep 2025563 PMAQI
25th Sep 2025544 PMAQI
25th Sep 2025535 PMAQI
25th Sep 2025456 PMAQI
25th Sep 2025407 PMAQI
25th Sep 2025438 PMAQI
25th Sep 2025509 PMAQI
25th Sep 20254110 PMAQI
25th Sep 20254211 PMAQI
26th Sep 20254112 AMAQI
26th Sep 2025401 AMAQI
26th Sep 2025332 AMAQI
26th Sep 2025373 AMAQI
26th Sep 2025354 AMAQI

24°C21/28°C

26th Sep 2025375 AMAQI
26th Sep 2025346 AMAQI
26th Sep 2025277 AMAQI
26th Sep 2025288 AMAQI
26th Sep 2025319 AMAQI
26th Sep 20254010 AMAQI
26th Sep 20254211 AMAQI
26th Sep 20254012 PMAQI
26th Sep 2025401 PMAQI
26th Sep 2025352 PMAQI
26th Sep 2025323 PMAQI
26th Sep 2025294 PMAQI
26th Sep 2025285 PMAQI
26th Sep 2025286 PMAQI
26th Sep 2025297 PMAQI
26th Sep 2025268 PMAQI
26th Sep 2025289 PMAQI
26th Sep 20252610 PMAQI
26th Sep 20252711 PMAQI
27th Sep 20252812 AMAQI
27th Sep 2025301 AMAQI
27th Sep 2025292 AMAQI
27th Sep 2025283 AMAQI
27th Sep 2025284 AMAQI

25°C21/32°C

27th Sep 2025335 AMAQI
27th Sep 2025436 AMAQI
27th Sep 2025447 AMAQI
27th Sep 2025408 AMAQI
27th Sep 2025489 AMAQI
27th Sep 20255410 AMAQI
27th Sep 20254611 AMAQI
27th Sep 20253912 PMAQI
27th Sep 2025301 PMAQI
27th Sep 2025112 PMAQI
27th Sep 2025203 PMAQI
27th Sep 2025264 PMAQI
27th Sep 2025325 PMAQI
27th Sep 2025416 PMAQI
27th Sep 2025447 PMAQI
27th Sep 2025408 PMAQI
27th Sep 2025419 PMAQI
27th Sep 20254410 PMAQI
27th Sep 20254411 PMAQI
28th Sep 20253712 AMAQI
28th Sep 2025331 AMAQI
28th Sep 2025262 AMAQI
28th Sep 2025363 AMAQI
28th Sep 2025444 AMAQI

24°C19/29°C

28th Sep 2025485 AMAQI
28th Sep 2025526 AMAQI
28th Sep 2025537 AMAQI
28th Sep 2025518 AMAQI
28th Sep 2025529 AMAQI
28th Sep 20255310 AMAQI
28th Sep 20255111 AMAQI
28th Sep 20254612 PMAQI
28th Sep 2025391 PMAQI
28th Sep 2025392 PMAQI
28th Sep 2025393 PMAQI
28th Sep 2025394 PMAQI
28th Sep 2025395 PMAQI
28th Sep 2025356 PMAQI
28th Sep 2025307 PMAQI
28th Sep 2025288 PMAQI
28th Sep 2025299 PMAQI
28th Sep 20252810 PMAQI
28th Sep 20252811 PMAQI
29th Sep 20253512 AMAQI
29th Sep 2025381 AMAQI
29th Sep 2025382 AMAQI
29th Sep 2025203 AMAQI
29th Sep 2025254 AMAQI

24°C20/28°C

29th Sep 2025315 AMAQI
29th Sep 2025276 AMAQI
29th Sep 2025287 AMAQI
29th Sep 2025388 AMAQI
29th Sep 2025379 AMAQI
29th Sep 20253710 AMAQI
29th Sep 20253211 AMAQI
29th Sep 20253112 PMAQI
29th Sep 2025291 PMAQI
29th Sep 2025212 PMAQI
29th Sep 2025233 PMAQI
29th Sep 2025224 PMAQI
29th Sep 2025275 PMAQI
29th Sep 2025246 PMAQI
29th Sep 2025217 PMAQI
29th Sep 2025158 PMAQI
29th Sep 2025159 PMAQI
29th Sep 20251510 PMAQI
29th Sep 20251111 PMAQI
30th Sep 20251512 AMAQI
30th Sep 2025131 AMAQI
30th Sep 2025162 AMAQI
30th Sep 2025153 AMAQI
30th Sep 2025184 AMAQI

--°C/°C

30th Sep 2025195 AMAQI
5 AM
30th Sep 2025176 AMAQI
11 AM
6 PM
11 PM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 8 AM

37AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
9 AM

34AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 37), while the lowest AQI was between 9 AM to 9 AM (Avg. 34).
Night time
Avg. Highest Time
12 AM - 11 PM

35AQI

10 hours / Day
300 hours / Month
Avg. Lowest Time
10 PM - 11 PM

33AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 35), while the lowest AQI was between 10 PM to 11 PM (Avg. 33).

2025 Days Vs Air Quality

Higashidaidacha Yamanouchi, Owariasahi, Aichi, Japan

2025

92%

249

8%

23

Total number of days with different AQI categories in last 272 days in 2025 (93 days remaining)

Good
249 Days
Moderate
23 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 92%

Health Risk Level:

Very Low

In 2025, 92% of 272 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.

Annual Air Quality Insights

Higashidaidacha Yamanouchi, Owariasahi, Aichi, Japan

AQI levels in 2025

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

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
26AQI
2nd January 2025
28AQI
3rd January 2025
28AQI
4th January 2025
27AQI
5th January 2025
24AQI
6th January 2025
23AQI
7th January 2025
27AQI
8th January 2025
26AQI
9th January 2025
27AQI
10th January 2025
21AQI
11th January 2025
24AQI
12th January 2025
23AQI
13th January 2025
25AQI
14th January 2025
28AQI
15th January 2025
28AQI
16th January 2025
23AQI
17th January 2025
27AQI
18th January 2025
25AQI
19th January 2025
27AQI
20th January 2025
26AQI
21st January 2025
32AQI
22nd January 2025
31AQI
23rd January 2025
35AQI
24th January 2025
34AQI
25th January 2025
35AQI
26th January 2025
31AQI
27th January 2025
25AQI
28th January 2025
29AQI
29th January 2025
29AQI
30th January 2025
28AQI
31st January 2025
31AQI
1st February 2025
35AQI
2nd February 2025
25AQI
3rd February 2025
28AQI
4th February 2025
30AQI
5th February 2025
29AQI
6th February 2025
30AQI
7th February 2025
30AQI
8th February 2025
28AQI
9th February 2025
28AQI
10th February 2025
29AQI
11th February 2025
30AQI
12th February 2025
25AQI
13th February 2025
31AQI
14th February 2025
27AQI
15th February 2025
29AQI
16th February 2025
30AQI
17th February 2025
32AQI
18th February 2025
29AQI
19th February 2025
30AQI
20th February 2025
29AQI
21st February 2025
30AQI
22nd February 2025
29AQI
23rd February 2025
30AQI
24th February 2025
31AQI
25th February 2025
31AQI
26th February 2025
36AQI
27th February 2025
39AQI
28th February 2025
37AQI
1st March 2025
38AQI
2nd March 2025
37AQI
3rd March 2025
32AQI
4th March 2025
24AQI
5th March 2025
21AQI
6th March 2025
30AQI
7th March 2025
31AQI
8th March 2025
31AQI
9th March 2025
35AQI
10th March 2025
34AQI
11th March 2025
30AQI
12th March 2025
27AQI
13th March 2025
35AQI
14th March 2025
22AQI
15th March 2025
21AQI
16th March 2025
17AQI
17th March 2025
16AQI
18th March 2025
17AQI
19th March 2025
14AQI
20th March 2025
20AQI
21st March 2025
29AQI
22nd March 2025
29AQI
23rd March 2025
35AQI
24th March 2025
35AQI
25th March 2025
50AQI
26th March 2025
62AQI
27th March 2025
53AQI
28th March 2025
36AQI
29th March 2025
30AQI
30th March 2025
30AQI
31st March 2025
30AQI
1st April 2025
22AQI
2nd April 2025
23AQI
3rd April 2025
17AQI
4th April 2025
17AQI
5th April 2025
18AQI
6th April 2025
14AQI
7th April 2025
16AQI
8th April 2025
19AQI
9th April 2025
17AQI
10th April 2025
23AQI
11th April 2025
23AQI
12th April 2025
22AQI
13th April 2025
17AQI
14th April 2025
22AQI
15th April 2025
16AQI
16th April 2025
19AQI
17th April 2025
21AQI
18th April 2025
28AQI
19th April 2025
29AQI
20th April 2025
27AQI
21st April 2025
21AQI
22nd April 2025
19AQI
23rd April 2025
13AQI
24th April 2025
13AQI
25th April 2025
22AQI
26th April 2025
22AQI
27th April 2025
21AQI
28th April 2025
20AQI
29th April 2025
19AQI
30th April 2025
23AQI
1st May 2025
21AQI
2nd May 2025
16AQI
3rd May 2025
17AQI
4th May 2025
17AQI
5th May 2025
17AQI
6th May 2025
14AQI
7th May 2025
15AQI
8th May 2025
15AQI
9th May 2025
16AQI
10th May 2025
13AQI
11th May 2025
14AQI
12th May 2025
17AQI
13th May 2025
21AQI
14th May 2025
21AQI
15th May 2025
21AQI
16th May 2025
20AQI
17th May 2025
17AQI
18th May 2025
21AQI
19th May 2025
22AQI
20th May 2025
34AQI
21st May 2025
30AQI
22nd May 2025
23AQI
23rd May 2025
21AQI
24th May 2025
20AQI
25th May 2025
16AQI
26th May 2025
16AQI
27th May 2025
16AQI
28th May 2025
15AQI
29th May 2025
17AQI
30th May 2025
15AQI
31st May 2025
15AQI
1st June 2025
14AQI
2nd June 2025
19AQI
3rd June 2025
15AQI
4th June 2025
17AQI
5th June 2025
17AQI
6th June 2025
19AQI
7th June 2025
22AQI
8th June 2025
26AQI
9th June 2025
19AQI
10th June 2025
17AQI
11th June 2025
16AQI
12th June 2025
18AQI
13th June 2025
19AQI
14th June 2025
17AQI
15th June 2025
16AQI
16th June 2025
17AQI
17th June 2025
19AQI
18th June 2025
20AQI
19th June 2025
22AQI
20th June 2025
24AQI
21st June 2025
21AQI
22nd June 2025
14AQI
23rd June 2025
14AQI
24th June 2025
15AQI
25th June 2025
16AQI
26th June 2025
16AQI
27th June 2025
18AQI
28th June 2025
17AQI
29th June 2025
17AQI
30th June 2025
35AQI
1st July 2025
42AQI
2nd July 2025
54AQI
3rd July 2025
66AQI
4th July 2025
66AQI
5th July 2025
72AQI
6th July 2025
61AQI
7th July 2025
66AQI
8th July 2025
72AQI
9th July 2025
81AQI
10th July 2025
66AQI
11th July 2025
56AQI
12th July 2025
56AQI
13th July 2025
54AQI
14th July 2025
46AQI
15th July 2025
47AQI
16th July 2025
46AQI
17th July 2025
41AQI
18th July 2025
39AQI
19th July 2025
36AQI
20th July 2025
33AQI
21st July 2025
33AQI
22nd July 2025
34AQI
23rd July 2025
35AQI
24th July 2025
33AQI
25th July 2025
28AQI
26th July 2025
26AQI
27th July 2025
26AQI
28th July 2025
30AQI
29th July 2025
34AQI
30th July 2025
36AQI
31st July 2025
39AQI
1st August 2025
45AQI
2nd August 2025
46AQI
3rd August 2025
47AQI
4th August 2025
67AQI
5th August 2025
53AQI
6th August 2025
52AQI
7th August 2025
48AQI
8th August 2025
44AQI
9th August 2025
48AQI
10th August 2025
41AQI
11th August 2025
36AQI
12th August 2025
35AQI
13th August 2025
36AQI
14th August 2025
38AQI
15th August 2025
39AQI
16th August 2025
39AQI
17th August 2025
42AQI
18th August 2025
41AQI
19th August 2025
48AQI
20th August 2025
44AQI
21st August 2025
47AQI
22nd August 2025
47AQI
23rd August 2025
48AQI
24th August 2025
57AQI
25th August 2025
57AQI
26th August 2025
56AQI
27th August 2025
49AQI
28th August 2025
50AQI
29th August 2025
54AQI
30th August 2025
55AQI
31st August 2025
55AQI
1st September 2025
43AQI
2nd September 2025
37AQI
3rd September 2025
39AQI
4th September 2025
28AQI
5th September 2025
25AQI
6th September 2025
27AQI
7th September 2025
34AQI
8th September 2025
37AQI
9th September 2025
38AQI
10th September 2025
36AQI
11th September 2025
30AQI
12th September 2025
30AQI
13th September 2025
27AQI
14th September 2025
37AQI
15th September 2025
32AQI
16th September 2025
46AQI
17th September 2025
49AQI
18th September 2025
39AQI
19th September 2025
34AQI
20th September 2025
38AQI
21st September 2025
27AQI
22nd September 2025
31AQI
23rd September 2025
36AQI
24th September 2025
34AQI
25th September 2025
39AQI
26th September 2025
34AQI
27th September 2025
35AQI
28th September 2025
41AQI
29th September 2025
29AQI
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025

28AQI

30AQI

31AQI

20AQI

18AQI

19AQI

47AQI

47AQI

35AQI

No. of days

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

202531AQI

31
28
29
2
30
31
30
19
12
22
9
29
249
23

Highest AQI recorded in

August

47AQI

Lowest AQI recorded in

May

18AQI

202436AQI

30
1
27
2
23
8
12
16
2
28
3
28
2
30
1
22
9
26
4
31
30
31
318
46
2

Highest AQI recorded in

April

57AQI

Lowest AQI recorded in

December

24AQI

202339AQI

27
4
27
1
24
7
17
13
25
6
24
6
26
5
29
2
26
4
30
1
24
5
29
2
308
56

Highest AQI recorded in

April

51AQI

Lowest AQI recorded in

August

31AQI

202229AQI

30
21
31
29
1
31
30
21
1
27
1
31
26
4
31
309
6

Highest AQI recorded in

May

36AQI

Lowest AQI recorded in

August

9AQI

202121AQI

31
28
30
1
30
30
1
28
2
31
31
30
31
29
1
31
360
5

Highest AQI recorded in

June

34AQI

Lowest AQI recorded in

January

11AQI

202012AQI

13
21
18
30
31
31
19
31
30
31
255

Highest AQI recorded in

August

17AQI

Lowest AQI recorded in

May

8AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
39AQI
Least Polluted Year Recorded
2020(Avg.)
12AQI

Higashidaidacha Yamanouchi's annual 2025 AQI (31) shows an average percentage change of 35.6% (worsened AQI) compared to previous years: 2020 (12), 2021 (21), 2022 (29), 2023 (39), 2024 (36).