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HistoryAQIPM2.5PM10COSO2NO2O3

Kasugai, 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+

October Air Quality Analysis

Kasugai, Aichi, Japan

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
2nd Oct 2024
61AQI
Lowest AQI recorded on
9th Oct 2022
17AQI

Same Day Analysis (12th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 47 of Good air quality, showing improvement over 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 12th Oct - 13th Oct 2025

Kasugai, Aichi, Japan

AQI
Day
Night
.

5 AM12th Oct 2025

5 PM

4 AM13th Oct 2025

Day time
Avg. Highest Time
10AM12th Oct

53AQI

Avg. Lowest Time
6AM12th Oct

40AQI

Night time
Avg. Highest Time
10PM12th Oct

65AQI

Avg. Lowest Time
6PM12th Oct

49AQI

In the last 24 hours,

Kasugai's AQI reached its highest point of 65 at 10 PM during the Night, while the lowest point, 40, was recorded at 6 AM during the Day between 12th Oct and 13th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Kasugai, Aichi, Japan

SepOct
13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th
Day
Night
13th Sep 2025345 AMAQI
13th Sep 2025336 AMAQI
13th Sep 2025337 AMAQI
13th Sep 2025338 AMAQI
13th Sep 2025199 AMAQI
13th Sep 20251610 AMAQI
13th Sep 20252311 AMAQI
13th Sep 20252612 PMAQI
13th Sep 2025231 PMAQI
13th Sep 2025232 PMAQI
13th Sep 2025243 PMAQI
13th Sep 2025284 PMAQI
13th Sep 2025255 PMAQI
13th Sep 2025246 PMAQI
13th Sep 2025267 PMAQI
13th Sep 2025288 PMAQI
13th Sep 2025259 PMAQI
13th Sep 20252710 PMAQI
13th Sep 20252811 PMAQI
14th Sep 20252712 AMAQI
14th Sep 2025321 AMAQI
14th Sep 2025332 AMAQI
14th Sep 2025323 AMAQI
14th Sep 2025304 AMAQI

26°C24/28°C

14th Sep 2025335 AMAQI
14th Sep 2025316 AMAQI
14th Sep 2025317 AMAQI
14th Sep 2025328 AMAQI
14th Sep 2025249 AMAQI
14th Sep 20252410 AMAQI
14th Sep 20252911 AMAQI
14th Sep 20253812 PMAQI
14th Sep 2025421 PMAQI
14th Sep 2025382 PMAQI
14th Sep 2025483 PMAQI
14th Sep 2025464 PMAQI
14th Sep 2025515 PMAQI
14th Sep 2025556 PMAQI
14th Sep 2025547 PMAQI
14th Sep 2025478 PMAQI
14th Sep 2025419 PMAQI
14th Sep 20254210 PMAQI
14th Sep 20254411 PMAQI
15th Sep 20254312 AMAQI
15th Sep 2025351 AMAQI
15th Sep 2025322 AMAQI
15th Sep 2025323 AMAQI
15th Sep 2025324 AMAQI

27°C24/30°C

15th Sep 2025325 AMAQI
15th Sep 2025336 AMAQI
15th Sep 2025347 AMAQI
15th Sep 2025338 AMAQI
15th Sep 2025469 AMAQI
15th Sep 20255210 AMAQI
15th Sep 20254311 AMAQI
15th Sep 20254412 PMAQI
15th Sep 2025391 PMAQI
15th Sep 2025232 PMAQI
15th Sep 2025263 PMAQI
15th Sep 2025254 PMAQI
15th Sep 2025235 PMAQI
15th Sep 2025236 PMAQI
15th Sep 2025247 PMAQI
15th Sep 2025268 PMAQI
15th Sep 2025309 PMAQI
15th Sep 20253410 PMAQI
15th Sep 20253411 PMAQI
16th Sep 20253312 AMAQI
16th Sep 2025341 AMAQI
16th Sep 2025352 AMAQI
16th Sep 2025343 AMAQI
16th Sep 2025364 AMAQI

29°C25/34°C

16th Sep 2025365 AMAQI
16th Sep 2025366 AMAQI
16th Sep 2025367 AMAQI
16th Sep 2025368 AMAQI
16th Sep 2025469 AMAQI
16th Sep 20255510 AMAQI
16th Sep 20255211 AMAQI
16th Sep 20255012 PMAQI
16th Sep 2025491 PMAQI
16th Sep 2025472 PMAQI
16th Sep 2025453 PMAQI
16th Sep 2025484 PMAQI
16th Sep 2025555 PMAQI
16th Sep 2025626 PMAQI
16th Sep 2025587 PMAQI
16th Sep 2025508 PMAQI
16th Sep 2025429 PMAQI
16th Sep 20254510 PMAQI
16th Sep 20254611 PMAQI
17th Sep 20254712 AMAQI
17th Sep 2025381 AMAQI
17th Sep 2025342 AMAQI
17th Sep 2025343 AMAQI
17th Sep 2025364 AMAQI

29°C25/33°C

17th Sep 2025385 AMAQI
17th Sep 2025386 AMAQI
17th Sep 2025387 AMAQI
17th Sep 2025388 AMAQI
17th Sep 2025519 AMAQI
17th Sep 20255710 AMAQI
17th Sep 20255811 AMAQI
17th Sep 20256012 PMAQI
17th Sep 2025621 PMAQI
17th Sep 2025622 PMAQI
17th Sep 2025593 PMAQI
17th Sep 2025574 PMAQI
17th Sep 2025605 PMAQI
17th Sep 2025596 PMAQI
17th Sep 2025587 PMAQI
17th Sep 2025568 PMAQI
17th Sep 2025549 PMAQI
17th Sep 20255410 PMAQI
17th Sep 20255411 PMAQI
18th Sep 20255412 AMAQI
18th Sep 2025501 AMAQI
18th Sep 2025382 AMAQI
18th Sep 2025383 AMAQI
18th Sep 2025404 AMAQI

29°C25/34°C

18th Sep 2025455 AMAQI
18th Sep 2025466 AMAQI
18th Sep 2025457 AMAQI
18th Sep 2025468 AMAQI
18th Sep 2025549 AMAQI
18th Sep 20256410 AMAQI
18th Sep 20256611 AMAQI
18th Sep 20256012 PMAQI
18th Sep 2025501 PMAQI
18th Sep 2025402 PMAQI
18th Sep 2025303 PMAQI
18th Sep 2025224 PMAQI
18th Sep 2025185 PMAQI
18th Sep 2025176 PMAQI
18th Sep 2025157 PMAQI
18th Sep 2025208 PMAQI
18th Sep 2025319 PMAQI
18th Sep 20253210 PMAQI
18th Sep 20253111 PMAQI
19th Sep 20253212 AMAQI
19th Sep 2025381 AMAQI
19th Sep 2025452 AMAQI
19th Sep 2025453 AMAQI
19th Sep 2025474 AMAQI

27°C24/32°C

19th Sep 2025505 AMAQI
19th Sep 2025496 AMAQI
19th Sep 2025507 AMAQI
19th Sep 2025498 AMAQI
19th Sep 2025269 AMAQI
19th Sep 20251610 AMAQI
19th Sep 20251711 AMAQI
19th Sep 20251712 PMAQI
19th Sep 2025221 PMAQI
19th Sep 2025292 PMAQI
19th Sep 2025303 PMAQI
19th Sep 2025304 PMAQI
19th Sep 2025275 PMAQI
19th Sep 2025256 PMAQI
19th Sep 2025247 PMAQI
19th Sep 2025288 PMAQI
19th Sep 2025369 PMAQI
19th Sep 20253710 PMAQI
19th Sep 20253611 PMAQI
20th Sep 20253512 AMAQI
20th Sep 2025401 AMAQI
20th Sep 2025462 AMAQI
20th Sep 2025453 AMAQI
20th Sep 2025434 AMAQI

25°C23/29°C

20th Sep 2025405 AMAQI
20th Sep 2025406 AMAQI
20th Sep 2025407 AMAQI
20th Sep 2025408 AMAQI
20th Sep 2025349 AMAQI
20th Sep 20253210 AMAQI
20th Sep 20253011 AMAQI
20th Sep 20252712 PMAQI
20th Sep 2025321 PMAQI
20th Sep 2025362 PMAQI
20th Sep 2025363 PMAQI
20th Sep 2025344 PMAQI
20th Sep 2025365 PMAQI
20th Sep 2025356 PMAQI
20th Sep 2025377 PMAQI
20th Sep 2025408 PMAQI
20th Sep 2025439 PMAQI
20th Sep 20254410 PMAQI
20th Sep 20254411 PMAQI
21st Sep 20254312 AMAQI
21st Sep 2025421 AMAQI
21st Sep 2025412 AMAQI
21st Sep 2025413 AMAQI
21st Sep 2025394 AMAQI

23°C22/24°C

21st Sep 2025385 AMAQI
21st Sep 2025386 AMAQI
21st Sep 2025387 AMAQI
21st Sep 2025388 AMAQI
21st Sep 2025239 AMAQI
21st Sep 20251810 AMAQI
21st Sep 20251711 AMAQI
21st Sep 20251512 PMAQI
21st Sep 2025151 PMAQI
21st Sep 2025152 PMAQI
21st Sep 2025153 PMAQI
21st Sep 2025144 PMAQI
21st Sep 2025145 PMAQI
21st Sep 2025146 PMAQI
21st Sep 2025157 PMAQI
21st Sep 2025208 PMAQI
21st Sep 2025299 PMAQI
21st Sep 20252910 PMAQI
21st Sep 20253011 PMAQI
22nd Sep 20253012 AMAQI
22nd Sep 2025351 AMAQI
22nd Sep 2025402 AMAQI
22nd Sep 2025403 AMAQI
22nd Sep 2025384 AMAQI

25°C21/30°C

22nd Sep 2025355 AMAQI
22nd Sep 2025366 AMAQI
22nd Sep 2025357 AMAQI
22nd Sep 2025368 AMAQI
22nd Sep 2025219 AMAQI
22nd Sep 20252110 AMAQI
22nd Sep 20252111 AMAQI
22nd Sep 20252212 PMAQI
22nd Sep 2025231 PMAQI
22nd Sep 2025262 PMAQI
22nd Sep 2025283 PMAQI
22nd Sep 2025324 PMAQI
22nd Sep 2025335 PMAQI
22nd Sep 2025296 PMAQI
22nd Sep 2025287 PMAQI
22nd Sep 2025288 PMAQI
22nd Sep 2025319 PMAQI
22nd Sep 20253210 PMAQI
22nd Sep 20253211 PMAQI
23rd Sep 20253212 AMAQI
23rd Sep 2025351 AMAQI
23rd Sep 2025372 AMAQI
23rd Sep 2025363 AMAQI
23rd Sep 2025344 AMAQI

23°C19/27°C

23rd Sep 2025325 AMAQI
23rd Sep 2025336 AMAQI
23rd Sep 2025337 AMAQI
23rd Sep 2025338 AMAQI
23rd Sep 2025379 AMAQI
23rd Sep 20253910 AMAQI
23rd Sep 20254211 AMAQI
23rd Sep 20254212 PMAQI
23rd Sep 2025441 PMAQI
23rd Sep 2025422 PMAQI
23rd Sep 2025493 PMAQI
23rd Sep 2025544 PMAQI
23rd Sep 2025515 PMAQI
23rd Sep 2025396 PMAQI
23rd Sep 2025317 PMAQI
23rd Sep 2025318 PMAQI
23rd Sep 2025319 PMAQI
23rd Sep 20253010 PMAQI
23rd Sep 20252911 PMAQI
24th Sep 20252912 AMAQI
24th Sep 2025321 AMAQI
24th Sep 2025342 AMAQI
24th Sep 2025333 AMAQI
24th Sep 2025344 AMAQI

23°C21/26°C

24th Sep 2025355 AMAQI
24th Sep 2025366 AMAQI
24th Sep 2025367 AMAQI
24th Sep 2025358 AMAQI
24th Sep 2025459 AMAQI
24th Sep 20255310 AMAQI
24th Sep 20255211 AMAQI
24th Sep 20254712 PMAQI
24th Sep 2025421 PMAQI
24th Sep 2025382 PMAQI
24th Sep 2025393 PMAQI
24th Sep 2025344 PMAQI
24th Sep 2025315 PMAQI
24th Sep 2025316 PMAQI
24th Sep 2025317 PMAQI
24th Sep 2025278 PMAQI
24th Sep 2025309 PMAQI
24th Sep 20252910 PMAQI
24th Sep 20252911 PMAQI
25th Sep 20253012 AMAQI
25th Sep 2025321 AMAQI
25th Sep 2025322 AMAQI
25th Sep 2025323 AMAQI
25th Sep 2025344 AMAQI

23°C20/27°C

25th Sep 2025365 AMAQI
25th Sep 2025366 AMAQI
25th Sep 2025357 AMAQI
25th Sep 2025358 AMAQI
25th Sep 2025369 AMAQI
25th Sep 20253910 AMAQI
25th Sep 20254311 AMAQI
25th Sep 20254212 PMAQI
25th Sep 2025411 PMAQI
25th Sep 2025392 PMAQI
25th Sep 2025503 PMAQI
25th Sep 2025534 PMAQI
25th Sep 2025445 PMAQI
25th Sep 2025356 PMAQI
25th Sep 2025397 PMAQI
25th Sep 2025348 PMAQI
25th Sep 2025299 PMAQI
25th Sep 20253210 PMAQI
25th Sep 20253311 PMAQI
26th Sep 20252312 AMAQI
26th Sep 2025251 AMAQI
26th Sep 2025352 AMAQI
26th Sep 2025383 AMAQI
26th Sep 2025334 AMAQI

25°C22/29°C

26th Sep 2025375 AMAQI
26th Sep 2025336 AMAQI
26th Sep 2025297 AMAQI
26th Sep 2025328 AMAQI
26th Sep 2025369 AMAQI
26th Sep 20253710 AMAQI
26th Sep 20253511 AMAQI
26th Sep 20253212 PMAQI
26th Sep 2025351 PMAQI
26th Sep 2025322 PMAQI
26th Sep 2025283 PMAQI
26th Sep 2025254 PMAQI
26th Sep 2025275 PMAQI
26th Sep 2025286 PMAQI
26th Sep 2025287 PMAQI
26th Sep 2025268 PMAQI
26th Sep 2025259 PMAQI
26th Sep 20252610 PMAQI
26th Sep 20252811 PMAQI
27th Sep 20253012 AMAQI
27th Sep 2025311 AMAQI
27th Sep 2025312 AMAQI
27th Sep 2025313 AMAQI
27th Sep 2025304 AMAQI

27°C22/33°C

27th Sep 2025315 AMAQI
27th Sep 2025326 AMAQI
27th Sep 2025307 AMAQI
27th Sep 2025328 AMAQI
27th Sep 2025309 AMAQI
27th Sep 20253810 AMAQI
27th Sep 20253311 AMAQI
27th Sep 20253512 PMAQI
27th Sep 2025331 PMAQI
27th Sep 2025282 PMAQI
27th Sep 2025263 PMAQI
27th Sep 2025244 PMAQI
27th Sep 2025295 PMAQI
27th Sep 2025316 PMAQI
27th Sep 2025357 PMAQI
27th Sep 2025348 PMAQI
27th Sep 2025329 PMAQI
27th Sep 20253410 PMAQI
27th Sep 20253611 PMAQI
28th Sep 20253312 AMAQI
28th Sep 2025171 AMAQI
28th Sep 2025192 AMAQI
28th Sep 2025203 AMAQI
28th Sep 2025334 AMAQI

25°C21/30°C

28th Sep 2025405 AMAQI
28th Sep 2025456 AMAQI
28th Sep 2025477 AMAQI
28th Sep 2025518 AMAQI
28th Sep 2025509 AMAQI
28th Sep 20255110 AMAQI
28th Sep 20254511 AMAQI
28th Sep 20254112 PMAQI
28th Sep 2025281 PMAQI
28th Sep 2025262 PMAQI
28th Sep 2025263 PMAQI
28th Sep 2025264 PMAQI
28th Sep 2025275 PMAQI
28th Sep 2025286 PMAQI
28th Sep 2025227 PMAQI
28th Sep 2025208 PMAQI
28th Sep 2025199 PMAQI
28th Sep 20251910 PMAQI
28th Sep 20252211 PMAQI
29th Sep 20252312 AMAQI
29th Sep 2025231 AMAQI
29th Sep 2025322 AMAQI
29th Sep 2025173 AMAQI
29th Sep 2025144 AMAQI

25°C22/28°C

29th Sep 2025375 AMAQI
29th Sep 2025376 AMAQI
29th Sep 2025387 AMAQI
29th Sep 2025388 AMAQI
29th Sep 2025359 AMAQI
29th Sep 20252610 AMAQI
29th Sep 20252711 AMAQI
29th Sep 20253012 PMAQI
29th Sep 2025301 PMAQI
29th Sep 2025182 PMAQI
29th Sep 2025233 PMAQI
29th Sep 2025304 PMAQI
29th Sep 2025255 PMAQI
29th Sep 2025326 PMAQI
29th Sep 2025267 PMAQI
29th Sep 2025238 PMAQI
29th Sep 2025209 PMAQI
29th Sep 20251810 PMAQI
29th Sep 20251811 PMAQI
30th Sep 20252012 AMAQI
30th Sep 2025271 AMAQI
30th Sep 2025272 AMAQI
30th Sep 2025253 AMAQI
30th Sep 2025254 AMAQI

24°C21/28°C

30th Sep 2025175 AMAQI
30th Sep 2025136 AMAQI
30th Sep 2025207 AMAQI
30th Sep 2025258 AMAQI
30th Sep 2025309 AMAQI
30th Sep 20253010 AMAQI
30th Sep 20254111 AMAQI
30th Sep 20254712 PMAQI
30th Sep 2025541 PMAQI
30th Sep 2025352 PMAQI
30th Sep 2025343 PMAQI
30th Sep 2025334 PMAQI
30th Sep 2025275 PMAQI
30th Sep 2025396 PMAQI
30th Sep 2025507 PMAQI
30th Sep 2025318 PMAQI
30th Sep 2025309 PMAQI
30th Sep 20253910 PMAQI
30th Sep 20254111 PMAQI
1st Oct 20254012 AMAQI
1st Oct 2025341 AMAQI
1st Oct 2025432 AMAQI
1st Oct 2025443 AMAQI
1st Oct 2025424 AMAQI

23°C19/28°C

1st Oct 2025425 AMAQI
1st Oct 2025446 AMAQI
1st Oct 2025437 AMAQI
1st Oct 2025508 AMAQI
1st Oct 2025469 AMAQI
1st Oct 20254810 AMAQI
1st Oct 20255311 AMAQI
1st Oct 20254912 PMAQI
1st Oct 2025461 PMAQI
1st Oct 2025482 PMAQI
1st Oct 2025493 PMAQI
1st Oct 2025494 PMAQI
1st Oct 2025485 PMAQI
1st Oct 2025346 PMAQI
1st Oct 2025367 PMAQI
1st Oct 2025468 PMAQI
1st Oct 2025489 PMAQI
1st Oct 20254110 PMAQI
1st Oct 20253811 PMAQI
2nd Oct 20253812 AMAQI
2nd Oct 2025321 AMAQI
2nd Oct 2025332 AMAQI
2nd Oct 2025363 AMAQI
2nd Oct 2025374 AMAQI

23°C20/25°C

2nd Oct 2025465 AMAQI
2nd Oct 2025416 AMAQI
2nd Oct 2025487 AMAQI
2nd Oct 2025488 AMAQI
2nd Oct 2025419 AMAQI
2nd Oct 20254110 AMAQI
2nd Oct 20254011 AMAQI
2nd Oct 20254012 PMAQI
2nd Oct 2025371 PMAQI
2nd Oct 2025382 PMAQI
2nd Oct 2025403 PMAQI
2nd Oct 2025354 PMAQI
2nd Oct 2025365 PMAQI
2nd Oct 2025396 PMAQI
2nd Oct 2025437 PMAQI
2nd Oct 2025458 PMAQI
2nd Oct 2025439 PMAQI
2nd Oct 20254110 PMAQI
2nd Oct 20254311 PMAQI
3rd Oct 20254112 AMAQI
3rd Oct 2025431 AMAQI
3rd Oct 2025482 AMAQI
3rd Oct 2025473 AMAQI
3rd Oct 2025514 AMAQI

22°C18/27°C

3rd Oct 2025505 AMAQI
3rd Oct 2025516 AMAQI
3rd Oct 2025547 AMAQI
3rd Oct 2025568 AMAQI
3rd Oct 2025569 AMAQI
3rd Oct 20255010 AMAQI
3rd Oct 20254711 AMAQI
3rd Oct 20255112 PMAQI
3rd Oct 2025521 PMAQI
3rd Oct 2025522 PMAQI
3rd Oct 2025553 PMAQI
3rd Oct 2025534 PMAQI
3rd Oct 2025545 PMAQI
3rd Oct 2025526 PMAQI
3rd Oct 2025537 PMAQI
3rd Oct 2025458 PMAQI
3rd Oct 2025709 PMAQI
3rd Oct 20257410 PMAQI
3rd Oct 20257311 PMAQI
4th Oct 20258012 AMAQI
4th Oct 2025681 AMAQI
4th Oct 2025622 AMAQI
4th Oct 2025613 AMAQI
4th Oct 2025714 AMAQI

23°C20/25°C

4th Oct 2025705 AMAQI
4th Oct 2025666 AMAQI
4th Oct 2025627 AMAQI
4th Oct 2025628 AMAQI
4th Oct 2025589 AMAQI
4th Oct 20255810 AMAQI
4th Oct 20255611 AMAQI
4th Oct 20255512 PMAQI
4th Oct 2025561 PMAQI
4th Oct 2025552 PMAQI
4th Oct 2025563 PMAQI
4th Oct 2025544 PMAQI
4th Oct 2025555 PMAQI
4th Oct 2025486 PMAQI
4th Oct 2025477 PMAQI
4th Oct 2025438 PMAQI
4th Oct 2025449 PMAQI
4th Oct 20254210 PMAQI
4th Oct 20254911 PMAQI
5th Oct 20255212 AMAQI
5th Oct 2025481 AMAQI
5th Oct 2025522 AMAQI
5th Oct 2025543 AMAQI
5th Oct 2025554 AMAQI

21°C19/21°C

5th Oct 2025555 AMAQI
5th Oct 2025546 AMAQI
5th Oct 2025547 AMAQI
5th Oct 2025538 AMAQI
5th Oct 2025559 AMAQI
5th Oct 20255010 AMAQI
5th Oct 20255011 AMAQI
5th Oct 20254812 PMAQI
5th Oct 2025521 PMAQI
5th Oct 2025552 PMAQI
5th Oct 2025543 PMAQI
5th Oct 2025564 PMAQI
5th Oct 2025565 PMAQI
5th Oct 2025546 PMAQI
5th Oct 2025507 PMAQI
5th Oct 2025508 PMAQI
5th Oct 2025529 PMAQI
5th Oct 20255210 PMAQI
5th Oct 20255111 PMAQI
6th Oct 20254812 AMAQI
6th Oct 2025461 AMAQI
6th Oct 2025482 AMAQI
6th Oct 2025473 AMAQI
6th Oct 2025484 AMAQI

22°C20/24°C

6th Oct 2025495 AMAQI
6th Oct 2025486 AMAQI
6th Oct 2025547 AMAQI
6th Oct 2025598 AMAQI
6th Oct 2025609 AMAQI
6th Oct 20255710 AMAQI
6th Oct 20255211 AMAQI
6th Oct 20254912 PMAQI
6th Oct 2025501 PMAQI
6th Oct 2025492 PMAQI
6th Oct 2025513 PMAQI
6th Oct 2025404 PMAQI
6th Oct 2025455 PMAQI
6th Oct 2025446 PMAQI
6th Oct 2025517 PMAQI
6th Oct 2025538 PMAQI
6th Oct 2025549 PMAQI
6th Oct 20255910 PMAQI
6th Oct 20256111 PMAQI
7th Oct 20255812 AMAQI
7th Oct 2025571 AMAQI
7th Oct 2025512 AMAQI

24°C20/30°C

7th Oct 2025438 PMAQI
7th Oct 2025339 PMAQI
7th Oct 20254510 PMAQI
7th Oct 20254411 PMAQI
8th Oct 20255212 AMAQI
8th Oct 2025561 AMAQI
8th Oct 2025572 AMAQI
8th Oct 2025533 AMAQI
8th Oct 2025534 AMAQI

24°C22/26°C

8th Oct 2025535 AMAQI
8th Oct 2025566 AMAQI
8th Oct 2025597 AMAQI
8th Oct 2025538 AMAQI
8th Oct 2025539 AMAQI
8th Oct 20255410 AMAQI
8th Oct 20256111 AMAQI
8th Oct 20256712 PMAQI
8th Oct 2025621 PMAQI
8th Oct 2025612 PMAQI
8th Oct 2025623 PMAQI
8th Oct 2025524 PMAQI
8th Oct 2025465 PMAQI
8th Oct 2025466 PMAQI
8th Oct 2025487 PMAQI
8th Oct 2025558 PMAQI
8th Oct 2025609 PMAQI
8th Oct 20255910 PMAQI
8th Oct 20256811 PMAQI
9th Oct 20256812 AMAQI
9th Oct 2025651 AMAQI
9th Oct 2025632 AMAQI
9th Oct 2025613 AMAQI
9th Oct 2025504 AMAQI

26°C22/30°C

9th Oct 2025485 AMAQI
9th Oct 2025446 AMAQI
9th Oct 2025357 AMAQI
9th Oct 2025378 AMAQI
9th Oct 2025409 AMAQI
9th Oct 20253010 AMAQI
9th Oct 20253411 AMAQI
9th Oct 20253012 PMAQI
9th Oct 2025321 PMAQI
9th Oct 2025402 PMAQI
9th Oct 2025413 PMAQI
9th Oct 2025434 PMAQI
9th Oct 2025425 PMAQI
9th Oct 2025356 PMAQI
9th Oct 2025407 PMAQI
9th Oct 2025488 PMAQI
9th Oct 2025349 PMAQI
9th Oct 20253010 PMAQI
9th Oct 20253811 PMAQI
10th Oct 20254212 AMAQI
10th Oct 2025431 AMAQI
10th Oct 2025372 AMAQI
10th Oct 2025433 AMAQI
10th Oct 2025474 AMAQI

25°C21/29°C

10th Oct 2025455 AMAQI
10th Oct 2025366 AMAQI
10th Oct 2025387 AMAQI
10th Oct 2025448 AMAQI
10th Oct 2025469 AMAQI
10th Oct 20254510 AMAQI
10th Oct 20254811 AMAQI
10th Oct 20254712 PMAQI
10th Oct 2025491 PMAQI
10th Oct 2025562 PMAQI
10th Oct 2025563 PMAQI
10th Oct 2025574 PMAQI
10th Oct 2025595 PMAQI
10th Oct 2025596 PMAQI
10th Oct 2025597 PMAQI
10th Oct 2025568 PMAQI
10th Oct 2025549 PMAQI
10th Oct 20255410 PMAQI
10th Oct 20255911 PMAQI
11th Oct 20255512 AMAQI
11th Oct 2025551 AMAQI
11th Oct 2025542 AMAQI
11th Oct 2025543 AMAQI
11th Oct 2025544 AMAQI

21°C19/23°C

11th Oct 2025545 AMAQI
11th Oct 2025536 AMAQI
11th Oct 2025537 AMAQI
11th Oct 2025558 AMAQI
11th Oct 2025569 AMAQI
11th Oct 20255810 AMAQI
11th Oct 20256311 AMAQI
11th Oct 20256212 PMAQI
11th Oct 2025591 PMAQI
11th Oct 2025572 PMAQI
11th Oct 2025593 PMAQI
11th Oct 2025614 PMAQI
11th Oct 2025565 PMAQI
11th Oct 2025576 PMAQI
11th Oct 2025577 PMAQI
11th Oct 2025548 PMAQI
11th Oct 2025529 PMAQI
11th Oct 20255410 PMAQI
11th Oct 20255111 PMAQI
12th Oct 20254812 AMAQI
12th Oct 2025441 AMAQI
12th Oct 2025462 AMAQI
12th Oct 2025403 AMAQI
12th Oct 2025414 AMAQI

22°C21/23°C

12th Oct 2025425 AMAQI
12th Oct 2025406 AMAQI
12th Oct 2025417 AMAQI
12th Oct 2025448 AMAQI
12th Oct 2025459 AMAQI
12th Oct 20255310 AMAQI
12th Oct 20254811 AMAQI
12th Oct 20255012 PMAQI
12th Oct 2025501 PMAQI
12th Oct 2025502 PMAQI
12th Oct 2025533 PMAQI
12th Oct 2025524 PMAQI
12th Oct 2025505 PMAQI
12th Oct 2025496 PMAQI
12th Oct 2025517 PMAQI
12th Oct 2025518 PMAQI
12th Oct 2025619 PMAQI
12th Oct 20256510 PMAQI
12th Oct 20255911 PMAQI
13th Oct 20255812 AMAQI
13th Oct 2025581 AMAQI
13th Oct 2025562 AMAQI
13th Oct 2025553 AMAQI
13th Oct 2025564 AMAQI

24°C21/27°C

13th Oct 2025545 AMAQI
5 AM
13th Oct 2025536 AMAQI
13th Oct 2025477 AMAQI
13th Oct 2025468 AMAQI
13th Oct 2025439 AMAQI
13th Oct 20254310 AMAQI
13th Oct 20254711 AMAQI
11 AM
13th Oct 20254512 PMAQI
13th Oct 2025451 PMAQI
13th Oct 2025382 PMAQI
13th Oct 2025383 PMAQI
13th Oct 2025264 PMAQI
13th Oct 2025245 PMAQI
5 PM
13th Oct 2025266 PMAQI
13th Oct 2025267 PMAQI
11 PM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 1 PM

42AQI

9 hours / Day
270 hours / Month
Avg. Lowest Time
2 PM - 5 PM

40AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 1 PM (Avg. 42), while the lowest AQI was between 2 PM to 5 PM (Avg. 40).
Night time
Avg. Highest Time
10 PM - 11 PM

42AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
6 PM - 9 PM

39AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 11 PM (Avg. 42), while the lowest AQI was between 6 PM to 9 PM (Avg. 39).

2025 Days Vs Air Quality

Kasugai, Aichi, Japan

2025

89%

255

11%

30

Total number of days with different AQI categories in last 286 days in 2025 (79 days remaining)

Good
255 Days
Moderate
30 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 89%

Health Risk Level:

Low

In 2025, 89% of 286 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

Kasugai, 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
25AQI
3rd January 2025
26AQI
4th January 2025
26AQI
5th January 2025
25AQI
6th January 2025
23AQI
7th January 2025
26AQI
8th January 2025
26AQI
9th January 2025
26AQI
10th January 2025
21AQI
11th January 2025
23AQI
12th January 2025
24AQI
13th January 2025
24AQI
14th January 2025
29AQI
15th January 2025
28AQI
16th January 2025
24AQI
17th January 2025
26AQI
18th January 2025
25AQI
19th January 2025
26AQI
20th January 2025
26AQI
21st January 2025
32AQI
22nd January 2025
31AQI
23rd January 2025
36AQI
24th January 2025
36AQI
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
36AQI
2nd February 2025
25AQI
3rd February 2025
29AQI
4th February 2025
29AQI
5th February 2025
29AQI
6th February 2025
30AQI
7th February 2025
29AQI
8th February 2025
28AQI
9th February 2025
27AQI
10th February 2025
28AQI
11th February 2025
29AQI
12th February 2025
25AQI
13th February 2025
30AQI
14th February 2025
27AQI
15th February 2025
29AQI
16th February 2025
30AQI
17th February 2025
32AQI
18th February 2025
29AQI
19th February 2025
29AQI
20th February 2025
28AQI
21st February 2025
29AQI
22nd February 2025
29AQI
23rd February 2025
31AQI
24th February 2025
31AQI
25th February 2025
31AQI
26th February 2025
35AQI
27th February 2025
38AQI
28th February 2025
37AQI
1st March 2025
38AQI
2nd March 2025
36AQI
3rd March 2025
32AQI
4th March 2025
24AQI
5th March 2025
22AQI
6th March 2025
31AQI
7th March 2025
30AQI
8th March 2025
30AQI
9th March 2025
34AQI
10th March 2025
34AQI
11th March 2025
29AQI
12th March 2025
27AQI
13th March 2025
34AQI
14th March 2025
21AQI
15th March 2025
20AQI
16th March 2025
16AQI
17th March 2025
16AQI
18th March 2025
16AQI
19th March 2025
14AQI
20th March 2025
18AQI
21st March 2025
29AQI
22nd March 2025
27AQI
23rd March 2025
34AQI
24th March 2025
32AQI
25th March 2025
41AQI
26th March 2025
47AQI
27th March 2025
41AQI
28th March 2025
29AQI
29th March 2025
25AQI
30th March 2025
22AQI
31st March 2025
23AQI
1st April 2025
19AQI
2nd April 2025
19AQI
3rd April 2025
16AQI
4th April 2025
16AQI
5th April 2025
17AQI
6th April 2025
14AQI
7th April 2025
16AQI
8th April 2025
17AQI
9th April 2025
17AQI
10th April 2025
20AQI
11th April 2025
21AQI
12th April 2025
21AQI
13th April 2025
17AQI
14th April 2025
21AQI
15th April 2025
18AQI
16th April 2025
19AQI
17th April 2025
21AQI
18th April 2025
25AQI
19th April 2025
25AQI
20th April 2025
22AQI
21st April 2025
18AQI
22nd April 2025
17AQI
23rd April 2025
14AQI
24th April 2025
13AQI
25th April 2025
18AQI
26th April 2025
18AQI
27th April 2025
18AQI
28th April 2025
19AQI
29th April 2025
18AQI
30th April 2025
20AQI
1st May 2025
18AQI
2nd May 2025
17AQI
3rd May 2025
18AQI
4th May 2025
18AQI
5th May 2025
18AQI
6th May 2025
15AQI
7th May 2025
15AQI
8th May 2025
17AQI
9th May 2025
16AQI
10th May 2025
15AQI
11th May 2025
15AQI
12th May 2025
19AQI
13th May 2025
21AQI
14th May 2025
22AQI
15th May 2025
22AQI
16th May 2025
21AQI
17th May 2025
18AQI
18th May 2025
22AQI
19th May 2025
24AQI
20th May 2025
32AQI
21st May 2025
29AQI
22nd May 2025
23AQI
23rd May 2025
22AQI
24th May 2025
22AQI
25th May 2025
17AQI
26th May 2025
17AQI
27th May 2025
18AQI
28th May 2025
16AQI
29th May 2025
18AQI
30th May 2025
16AQI
31st May 2025
16AQI
1st June 2025
15AQI
2nd June 2025
19AQI
3rd June 2025
16AQI
4th June 2025
17AQI
5th June 2025
19AQI
6th June 2025
20AQI
7th June 2025
24AQI
8th June 2025
27AQI
9th June 2025
22AQI
10th June 2025
18AQI
11th June 2025
16AQI
12th June 2025
20AQI
13th June 2025
19AQI
14th June 2025
18AQI
15th June 2025
17AQI
16th June 2025
18AQI
17th June 2025
19AQI
18th June 2025
22AQI
19th June 2025
24AQI
20th June 2025
26AQI
21st June 2025
23AQI
22nd June 2025
17AQI
23rd June 2025
16AQI
24th June 2025
17AQI
25th June 2025
18AQI
26th June 2025
17AQI
27th June 2025
21AQI
28th June 2025
20AQI
29th June 2025
20AQI
30th June 2025
37AQI
1st July 2025
47AQI
2nd July 2025
80AQI
3rd July 2025
85AQI
4th July 2025
72AQI
5th July 2025
75AQI
6th July 2025
62AQI
7th July 2025
68AQI
8th July 2025
75AQI
9th July 2025
84AQI
10th July 2025
64AQI
11th July 2025
52AQI
12th July 2025
52AQI
13th July 2025
52AQI
14th July 2025
42AQI
15th July 2025
48AQI
16th July 2025
45AQI
17th July 2025
38AQI
18th July 2025
35AQI
19th July 2025
33AQI
20th July 2025
33AQI
21st July 2025
35AQI
22nd July 2025
34AQI
23rd July 2025
36AQI
24th July 2025
36AQI
25th July 2025
28AQI
26th July 2025
25AQI
27th July 2025
26AQI
28th July 2025
32AQI
29th July 2025
37AQI
30th July 2025
39AQI
31st July 2025
39AQI
1st August 2025
43AQI
2nd August 2025
45AQI
3rd August 2025
48AQI
4th August 2025
64AQI
5th August 2025
53AQI
6th August 2025
52AQI
7th August 2025
45AQI
8th August 2025
39AQI
9th August 2025
48AQI
10th August 2025
38AQI
11th August 2025
35AQI
12th August 2025
36AQI
13th August 2025
35AQI
14th August 2025
40AQI
15th August 2025
41AQI
16th August 2025
43AQI
17th August 2025
42AQI
18th August 2025
45AQI
19th August 2025
49AQI
20th August 2025
47AQI
21st August 2025
51AQI
22nd August 2025
50AQI
23rd August 2025
51AQI
24th August 2025
59AQI
25th August 2025
58AQI
26th August 2025
56AQI
27th August 2025
52AQI
28th August 2025
50AQI
29th August 2025
55AQI
30th August 2025
56AQI
31st August 2025
54AQI
1st September 2025
44AQI
2nd September 2025
38AQI
3rd September 2025
39AQI
4th September 2025
27AQI
5th September 2025
24AQI
6th September 2025
28AQI
7th September 2025
33AQI
8th September 2025
39AQI
9th September 2025
40AQI
10th September 2025
37AQI
11th September 2025
30AQI
12th September 2025
31AQI
13th September 2025
28AQI
14th September 2025
38AQI
15th September 2025
33AQI
16th September 2025
44AQI
17th September 2025
50AQI
18th September 2025
39AQI
19th September 2025
34AQI
20th September 2025
38AQI
21st September 2025
28AQI
22nd September 2025
31AQI
23rd September 2025
36AQI
24th September 2025
35AQI
25th September 2025
36AQI
26th September 2025
31AQI
27th September 2025
31AQI
28th September 2025
31AQI
29th September 2025
25AQI
30th September 2025
30AQI
1st October 2025
43AQI
2nd October 2025
40AQI
3rd October 2025
52AQI
4th October 2025
61AQI
5th October 2025
53AQI
6th October 2025
51AQI
7th October 2025
46AQI
8th October 2025
54AQI
9th October 2025
47AQI
10th October 2025
48AQI
11th October 2025
56AQI
12th October 2025
47AQI
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

27AQI

30AQI

28AQI

18AQI

19AQI

20AQI

49AQI

48AQI

34AQI

50AQI

No. of days

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

202531AQI

31
28
31
30
31
30
19
12
19
12
30
6
6
255
30

Highest AQI recorded in

October

50AQI

Lowest AQI recorded in

April

18AQI

202434AQI

31
28
1
28
3
25
5
30
1
29
1
30
1
29
2
26
4
30
1
30
31
347
19

Highest AQI recorded in

April

45AQI

Lowest AQI recorded in

December

25AQI

202335AQI

30
1
28
29
2
24
6
29
2
26
4
28
3
31
30
28
3
26
3
31
340
24

Highest AQI recorded in

April

45AQI

Lowest AQI recorded in

August

25AQI

202234AQI

31
21
28
3
15
2
23
8
29
1
20
1
1
27
1
31
30
31
287
16

Highest AQI recorded in

May

44AQI

Lowest AQI recorded in

August

16AQI

202130AQI

29
2
28
31
30
30
1
26
4
31
31
29
1
30
1
29
1
31
355
10

Highest AQI recorded in

June

43AQI

Lowest AQI recorded in

April

22AQI

202024AQI

13
21
18
30
31
29
2
19
31
30
31
253
2

Highest AQI recorded in

August

34AQI

Lowest AQI recorded in

September

16AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
35AQI
Least Polluted Year Recorded
2020(Avg.)
24AQI

Kasugai's annual 2025 AQI (31) shows an average percentage change of 1.7% (worsened AQI) compared to previous years: 2020 (24), 2021 (30), 2022 (34), 2023 (35), 2024 (34).