Country Background
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+

August Air Quality Analysis

Kasugai, Aichi, Japan

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
4th Aug 2025
64AQI
Lowest AQI recorded on
24th Aug 2023
10AQI

Same Day Analysis (20th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 46 of Good air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 20th Aug - 21st Aug 2025

Kasugai, Aichi, Japan

AQI
Day
Night
.

5 AM20th Aug 2025

6 PM

4 AM21st Aug 2025

Day time
Avg. Highest Time
12PM20th Aug

63AQI

Avg. Lowest Time
8AM20th Aug

45AQI

Night time
Avg. Highest Time
8PM20th Aug

49AQI

Avg. Lowest Time
11PM20th Aug

38AQI

In the last 24 hours,

Kasugai's AQI reached its highest point of 63 at 12 PM during the Day, while the lowest point, 38, was recorded at 11 PM during the Night between 20th Aug and 21st Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Kasugai, Aichi, Japan

JulAug
22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st
Day
Night
22nd Jul 2025365 AMAQI
22nd Jul 2025376 AMAQI
22nd Jul 2025377 AMAQI
22nd Jul 2025378 AMAQI
22nd Jul 2025279 AMAQI
22nd Jul 20252610 AMAQI
22nd Jul 20252711 AMAQI
22nd Jul 20253412 PMAQI
22nd Jul 2025381 PMAQI
22nd Jul 2025422 PMAQI
22nd Jul 2025493 PMAQI
22nd Jul 2025584 PMAQI
22nd Jul 2025565 PMAQI
22nd Jul 2025426 PMAQI
22nd Jul 2025267 PMAQI
22nd Jul 2025208 PMAQI
22nd Jul 2025279 PMAQI
22nd Jul 20252610 PMAQI
22nd Jul 20252511 PMAQI
23rd Jul 20252512 AMAQI
23rd Jul 2025301 AMAQI
23rd Jul 2025372 AMAQI
23rd Jul 2025363 AMAQI
23rd Jul 2025374 AMAQI

30°C26/36°C

23rd Jul 2025365 AMAQI
23rd Jul 2025366 AMAQI
23rd Jul 2025367 AMAQI
23rd Jul 2025368 AMAQI
23rd Jul 2025249 AMAQI
23rd Jul 20252510 AMAQI
23rd Jul 20253311 AMAQI
23rd Jul 20253912 PMAQI
23rd Jul 2025521 PMAQI
23rd Jul 2025582 PMAQI
23rd Jul 2025603 PMAQI
23rd Jul 2025584 PMAQI
23rd Jul 2025565 PMAQI
23rd Jul 2025506 PMAQI
23rd Jul 2025357 PMAQI
23rd Jul 2025278 PMAQI
23rd Jul 2025279 PMAQI
23rd Jul 20252610 PMAQI
23rd Jul 20252511 PMAQI
24th Jul 20252612 AMAQI
24th Jul 2025301 AMAQI
24th Jul 2025342 AMAQI
24th Jul 2025353 AMAQI
24th Jul 2025354 AMAQI

30°C26/35°C

24th Jul 2025375 AMAQI
24th Jul 2025376 AMAQI
24th Jul 2025377 AMAQI
24th Jul 2025378 AMAQI
24th Jul 2025289 AMAQI
24th Jul 20252710 AMAQI
24th Jul 20253311 AMAQI
24th Jul 20254012 PMAQI
24th Jul 2025481 PMAQI
24th Jul 2025532 PMAQI
24th Jul 2025563 PMAQI
24th Jul 2025614 PMAQI
24th Jul 2025565 PMAQI
24th Jul 2025456 PMAQI
24th Jul 2025367 PMAQI
24th Jul 2025288 PMAQI
24th Jul 2025279 PMAQI
24th Jul 20252510 PMAQI
24th Jul 20252511 PMAQI
25th Jul 20252612 AMAQI
25th Jul 2025301 AMAQI
25th Jul 2025332 AMAQI
25th Jul 2025343 AMAQI
25th Jul 2025344 AMAQI

30°C26/36°C

25th Jul 2025365 AMAQI
25th Jul 2025366 AMAQI
25th Jul 2025367 AMAQI
25th Jul 2025358 AMAQI
25th Jul 2025339 AMAQI
25th Jul 20253010 AMAQI
25th Jul 20252711 AMAQI
25th Jul 20253012 PMAQI
25th Jul 2025351 PMAQI
25th Jul 2025402 PMAQI
25th Jul 2025343 PMAQI
25th Jul 2025244 PMAQI
25th Jul 2025205 PMAQI
25th Jul 2025176 PMAQI
25th Jul 2025167 PMAQI
25th Jul 2025178 PMAQI
25th Jul 2025249 PMAQI
25th Jul 20252310 PMAQI
25th Jul 20252411 PMAQI
26th Jul 20252312 AMAQI
26th Jul 2025271 AMAQI
26th Jul 2025322 AMAQI
26th Jul 2025323 AMAQI
26th Jul 2025334 AMAQI

30°C26/35°C

26th Jul 2025335 AMAQI
26th Jul 2025336 AMAQI
26th Jul 2025337 AMAQI
26th Jul 2025338 AMAQI
26th Jul 2025249 AMAQI
26th Jul 20252010 AMAQI
26th Jul 20252211 AMAQI
26th Jul 20252112 PMAQI
26th Jul 2025221 PMAQI
26th Jul 2025272 PMAQI
26th Jul 2025253 PMAQI
26th Jul 2025194 PMAQI
26th Jul 2025185 PMAQI
26th Jul 2025176 PMAQI
26th Jul 2025167 PMAQI
26th Jul 2025188 PMAQI
26th Jul 2025239 PMAQI
26th Jul 20252410 PMAQI
26th Jul 20252511 PMAQI
27th Jul 20252412 AMAQI
27th Jul 2025281 AMAQI
27th Jul 2025312 AMAQI
27th Jul 2025313 AMAQI
27th Jul 2025314 AMAQI

30°C26/35°C

27th Jul 2025305 AMAQI
27th Jul 2025296 AMAQI
27th Jul 2025297 AMAQI
27th Jul 2025298 AMAQI
27th Jul 2025249 AMAQI
27th Jul 20251710 AMAQI
27th Jul 20251711 AMAQI
27th Jul 20251912 PMAQI
27th Jul 2025231 PMAQI
27th Jul 2025242 PMAQI
27th Jul 2025303 PMAQI
27th Jul 2025354 PMAQI
27th Jul 2025375 PMAQI
27th Jul 2025286 PMAQI
27th Jul 2025207 PMAQI
27th Jul 2025208 PMAQI
27th Jul 2025239 PMAQI
27th Jul 20252310 PMAQI
27th Jul 20252311 PMAQI
28th Jul 20252412 AMAQI
28th Jul 2025261 AMAQI
28th Jul 2025302 AMAQI
28th Jul 2025293 AMAQI
28th Jul 2025294 AMAQI

30°C26/35°C

28th Jul 2025285 AMAQI
28th Jul 2025286 AMAQI
28th Jul 2025287 AMAQI
28th Jul 2025288 AMAQI
28th Jul 2025239 AMAQI
28th Jul 20252210 AMAQI
28th Jul 20253011 AMAQI
28th Jul 20253612 PMAQI
28th Jul 2025351 PMAQI
28th Jul 2025442 PMAQI
28th Jul 2025493 PMAQI
28th Jul 2025544 PMAQI
28th Jul 2025515 PMAQI
28th Jul 2025456 PMAQI
28th Jul 2025377 PMAQI
28th Jul 2025328 PMAQI
28th Jul 2025309 PMAQI
28th Jul 20252910 PMAQI
28th Jul 20252711 PMAQI
29th Jul 20252612 AMAQI
29th Jul 2025261 AMAQI
29th Jul 2025282 AMAQI
29th Jul 2025283 AMAQI
29th Jul 2025284 AMAQI

30°C26/35°C

29th Jul 2025285 AMAQI
29th Jul 2025286 AMAQI
29th Jul 2025297 AMAQI
29th Jul 2025298 AMAQI
29th Jul 2025299 AMAQI
29th Jul 20253710 AMAQI
29th Jul 20254411 AMAQI
29th Jul 20255212 PMAQI
29th Jul 2025551 PMAQI
29th Jul 2025562 PMAQI
29th Jul 2025543 PMAQI
29th Jul 2025534 PMAQI
29th Jul 2025565 PMAQI
29th Jul 2025586 PMAQI
29th Jul 2025507 PMAQI
29th Jul 2025408 PMAQI
29th Jul 2025319 PMAQI
29th Jul 20252810 PMAQI
29th Jul 20252611 PMAQI
30th Jul 20252512 AMAQI
30th Jul 2025271 AMAQI
30th Jul 2025282 AMAQI
30th Jul 2025283 AMAQI
30th Jul 2025294 AMAQI

31°C27/38°C

30th Jul 2025325 AMAQI
30th Jul 2025326 AMAQI
30th Jul 2025327 AMAQI
30th Jul 2025328 AMAQI
30th Jul 2025409 AMAQI
30th Jul 20254810 AMAQI
30th Jul 20255211 AMAQI
30th Jul 20255412 PMAQI
30th Jul 2025571 PMAQI
30th Jul 2025612 PMAQI
30th Jul 2025683 PMAQI
30th Jul 2025704 PMAQI
30th Jul 2025605 PMAQI
30th Jul 2025506 PMAQI
30th Jul 2025427 PMAQI
30th Jul 2025348 PMAQI
30th Jul 2025329 PMAQI
30th Jul 20253310 PMAQI
30th Jul 20253211 PMAQI
31st Jul 20253212 AMAQI
31st Jul 2025301 AMAQI
31st Jul 2025292 AMAQI
31st Jul 2025293 AMAQI
31st Jul 2025284 AMAQI

31°C27/37°C

31st Jul 2025285 AMAQI
31st Jul 2025286 AMAQI
31st Jul 2025287 AMAQI
31st Jul 2025288 AMAQI
31st Jul 2025289 AMAQI
31st Jul 20252810 AMAQI
31st Jul 20254211 AMAQI
31st Jul 20255212 PMAQI
31st Jul 2025551 PMAQI
31st Jul 2025612 PMAQI
31st Jul 2025613 PMAQI
31st Jul 2025604 PMAQI
31st Jul 2025595 PMAQI
31st Jul 2025566 PMAQI
31st Jul 2025527 PMAQI
31st Jul 2025428 PMAQI
31st Jul 2025349 PMAQI
31st Jul 20253310 PMAQI
31st Jul 20253211 PMAQI
1st Aug 20253212 AMAQI
1st Aug 2025321 AMAQI
1st Aug 2025302 AMAQI
1st Aug 2025303 AMAQI
1st Aug 2025324 AMAQI

31°C27/36°C

1st Aug 2025335 AMAQI
1st Aug 2025346 AMAQI
1st Aug 2025377 AMAQI
1st Aug 2025358 AMAQI
1st Aug 2025449 AMAQI
1st Aug 20254510 AMAQI
1st Aug 20255111 AMAQI
1st Aug 20255012 PMAQI
1st Aug 2025531 PMAQI
1st Aug 2025602 PMAQI
1st Aug 2025563 PMAQI
1st Aug 2025584 PMAQI
1st Aug 2025585 PMAQI
1st Aug 2025616 PMAQI
1st Aug 2025587 PMAQI
1st Aug 2025508 PMAQI
1st Aug 2025439 PMAQI
1st Aug 20253810 PMAQI
1st Aug 20254011 PMAQI
2nd Aug 20253612 AMAQI
2nd Aug 2025341 AMAQI
2nd Aug 2025342 AMAQI
2nd Aug 2025333 AMAQI
2nd Aug 2025374 AMAQI

32°C27/38°C

2nd Aug 2025385 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025377 AMAQI
2nd Aug 2025398 AMAQI
2nd Aug 2025519 AMAQI
2nd Aug 20255310 AMAQI
2nd Aug 20255411 AMAQI
2nd Aug 20255312 PMAQI
2nd Aug 2025541 PMAQI
2nd Aug 2025592 PMAQI
2nd Aug 2025583 PMAQI
2nd Aug 2025574 PMAQI
2nd Aug 2025555 PMAQI
2nd Aug 2025536 PMAQI
2nd Aug 2025527 PMAQI
2nd Aug 2025468 PMAQI
2nd Aug 2025419 PMAQI
2nd Aug 20254010 PMAQI
2nd Aug 20254311 PMAQI
3rd Aug 20254612 AMAQI
3rd Aug 2025411 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025383 AMAQI
3rd Aug 2025404 AMAQI

32°C27/39°C

3rd Aug 2025435 AMAQI
3rd Aug 2025406 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025418 AMAQI
3rd Aug 2025489 AMAQI
3rd Aug 20255310 AMAQI
3rd Aug 20255911 AMAQI
3rd Aug 20256212 PMAQI
3rd Aug 2025591 PMAQI
3rd Aug 2025652 PMAQI
3rd Aug 2025543 PMAQI
3rd Aug 2025574 PMAQI
3rd Aug 2025565 PMAQI
3rd Aug 2025576 PMAQI
3rd Aug 2025587 PMAQI
3rd Aug 2025528 PMAQI
3rd Aug 2025459 PMAQI
3rd Aug 20254810 PMAQI
3rd Aug 20254411 PMAQI
4th Aug 20254312 AMAQI
4th Aug 2025391 AMAQI
4th Aug 2025412 AMAQI
4th Aug 2025413 AMAQI
4th Aug 2025454 AMAQI

32°C28/38°C

4th Aug 2025465 AMAQI
4th Aug 2025466 AMAQI
4th Aug 2025467 AMAQI
4th Aug 2025458 AMAQI
4th Aug 2025659 AMAQI
4th Aug 20257510 AMAQI
4th Aug 20258611 AMAQI
4th Aug 20258412 PMAQI
4th Aug 2025931 PMAQI
4th Aug 2025982 PMAQI
4th Aug 2025973 PMAQI
4th Aug 2025934 PMAQI
4th Aug 20251035 PMAQI
4th Aug 2025986 PMAQI
4th Aug 2025817 PMAQI
4th Aug 2025728 PMAQI
4th Aug 2025579 PMAQI
4th Aug 20255410 PMAQI
4th Aug 20254611 PMAQI
5th Aug 20255012 AMAQI
5th Aug 2025461 AMAQI
5th Aug 2025422 AMAQI
5th Aug 2025423 AMAQI
5th Aug 2025534 AMAQI

31°C28/36°C

5th Aug 2025565 AMAQI
5th Aug 2025566 AMAQI
5th Aug 2025567 AMAQI
5th Aug 2025558 AMAQI
5th Aug 2025609 AMAQI
5th Aug 20256510 AMAQI
5th Aug 20256111 AMAQI
5th Aug 20256012 PMAQI
5th Aug 2025591 PMAQI
5th Aug 2025572 PMAQI
5th Aug 2025523 PMAQI
5th Aug 2025544 PMAQI
5th Aug 2025515 PMAQI
5th Aug 2025486 PMAQI
5th Aug 2025507 PMAQI
5th Aug 2025528 PMAQI
5th Aug 2025539 PMAQI
5th Aug 20255110 PMAQI
5th Aug 20255411 PMAQI
6th Aug 20255312 AMAQI
6th Aug 2025521 AMAQI
6th Aug 2025522 AMAQI
6th Aug 2025513 AMAQI
6th Aug 2025534 AMAQI

32°C28/37°C

6th Aug 2025535 AMAQI
6th Aug 2025546 AMAQI
6th Aug 2025527 AMAQI
6th Aug 2025538 AMAQI
6th Aug 2025439 AMAQI
6th Aug 20253810 AMAQI
6th Aug 20254811 AMAQI
6th Aug 20255312 PMAQI
6th Aug 2025521 PMAQI
6th Aug 2025492 PMAQI
6th Aug 2025463 PMAQI
6th Aug 2025514 PMAQI
6th Aug 2025575 PMAQI
6th Aug 2025556 PMAQI
6th Aug 2025607 PMAQI
6th Aug 2025578 PMAQI
6th Aug 2025539 PMAQI
6th Aug 20255310 PMAQI
6th Aug 20255311 PMAQI
7th Aug 20255212 AMAQI
7th Aug 2025481 AMAQI
7th Aug 2025522 AMAQI
7th Aug 2025523 AMAQI
7th Aug 2025524 AMAQI

32°C29/36°C

7th Aug 2025525 AMAQI
7th Aug 2025526 AMAQI
7th Aug 2025497 AMAQI
7th Aug 2025528 AMAQI
7th Aug 2025479 AMAQI
7th Aug 20255010 AMAQI
7th Aug 20255511 AMAQI
7th Aug 20254512 PMAQI
7th Aug 2025391 PMAQI
7th Aug 2025302 PMAQI
7th Aug 2025283 PMAQI
7th Aug 2025284 PMAQI
7th Aug 2025315 PMAQI
7th Aug 2025336 PMAQI
7th Aug 2025337 PMAQI
7th Aug 2025368 PMAQI
7th Aug 2025449 PMAQI
7th Aug 20254510 PMAQI
7th Aug 20254511 PMAQI
8th Aug 20254612 AMAQI
8th Aug 2025491 AMAQI
8th Aug 2025522 AMAQI
8th Aug 2025523 AMAQI
8th Aug 2025524 AMAQI

28°C26/32°C

8th Aug 2025515 AMAQI
8th Aug 2025516 AMAQI
8th Aug 2025517 AMAQI
8th Aug 2025518 AMAQI
8th Aug 2025419 AMAQI
8th Aug 20253210 AMAQI
8th Aug 20252511 AMAQI
8th Aug 20252312 PMAQI
8th Aug 2025281 PMAQI
8th Aug 2025282 PMAQI
8th Aug 2025283 PMAQI
8th Aug 2025274 PMAQI
8th Aug 2025255 PMAQI
8th Aug 2025236 PMAQI
8th Aug 2025247 PMAQI
8th Aug 2025288 PMAQI
8th Aug 2025399 PMAQI
8th Aug 20253910 PMAQI
8th Aug 20254011 PMAQI
9th Aug 20254012 AMAQI
9th Aug 2025461 AMAQI
9th Aug 2025512 AMAQI
9th Aug 2025513 AMAQI
9th Aug 2025504 AMAQI

29°C25/34°C

9th Aug 2025475 AMAQI
9th Aug 2025476 AMAQI
9th Aug 2025477 AMAQI
9th Aug 2025478 AMAQI
9th Aug 2025429 AMAQI
9th Aug 20254810 AMAQI
9th Aug 20254911 AMAQI
9th Aug 20254412 PMAQI
9th Aug 2025401 PMAQI
9th Aug 2025462 PMAQI
9th Aug 2025513 PMAQI
9th Aug 2025564 PMAQI
9th Aug 2025575 PMAQI
9th Aug 2025566 PMAQI
9th Aug 2025557 PMAQI
9th Aug 2025518 PMAQI
9th Aug 2025479 PMAQI
9th Aug 20254510 PMAQI
9th Aug 20254611 PMAQI
10th Aug 20254712 AMAQI
10th Aug 2025471 AMAQI
10th Aug 2025482 AMAQI
10th Aug 2025483 AMAQI
10th Aug 2025484 AMAQI

29°C25/34°C

10th Aug 2025475 AMAQI
10th Aug 2025486 AMAQI
10th Aug 2025487 AMAQI
10th Aug 2025488 AMAQI
10th Aug 2025399 AMAQI
10th Aug 20252810 AMAQI
10th Aug 20252411 AMAQI
10th Aug 20252512 PMAQI
10th Aug 2025271 PMAQI
10th Aug 2025242 PMAQI
10th Aug 2025223 PMAQI
10th Aug 2025224 PMAQI
10th Aug 2025275 PMAQI
10th Aug 2025306 PMAQI
10th Aug 2025327 PMAQI
10th Aug 2025358 PMAQI
10th Aug 2025409 PMAQI
10th Aug 20254010 PMAQI
10th Aug 20253911 PMAQI
11th Aug 20254012 AMAQI
11th Aug 2025441 AMAQI
11th Aug 2025482 AMAQI
11th Aug 2025483 AMAQI
11th Aug 2025474 AMAQI

25°C24/25°C

11th Aug 2025445 AMAQI
11th Aug 2025446 AMAQI
11th Aug 2025457 AMAQI
11th Aug 2025458 AMAQI
11th Aug 2025249 AMAQI
11th Aug 20251610 AMAQI
11th Aug 20251611 AMAQI
11th Aug 20251712 PMAQI
11th Aug 2025191 PMAQI
11th Aug 2025192 PMAQI
11th Aug 2025263 PMAQI
11th Aug 2025324 PMAQI
11th Aug 2025415 PMAQI
11th Aug 2025386 PMAQI
11th Aug 2025317 PMAQI
11th Aug 2025318 PMAQI
11th Aug 2025339 PMAQI
11th Aug 20253410 PMAQI
11th Aug 20253311 PMAQI
12th Aug 20253612 AMAQI
12th Aug 2025431 AMAQI
12th Aug 2025462 AMAQI
12th Aug 2025453 AMAQI
12th Aug 2025424 AMAQI

26°C24/29°C

12th Aug 2025405 AMAQI
12th Aug 2025406 AMAQI
12th Aug 2025397 AMAQI
12th Aug 2025418 AMAQI
12th Aug 2025249 AMAQI
12th Aug 20253310 AMAQI
12th Aug 20253911 AMAQI
12th Aug 20253612 PMAQI
12th Aug 2025351 PMAQI
12th Aug 2025352 PMAQI
12th Aug 2025253 PMAQI
12th Aug 2025294 PMAQI
12th Aug 2025305 PMAQI
12th Aug 2025306 PMAQI
12th Aug 2025297 PMAQI
12th Aug 2025358 PMAQI
12th Aug 2025369 PMAQI
12th Aug 20253310 PMAQI
12th Aug 20253411 PMAQI
13th Aug 20253612 AMAQI
13th Aug 2025381 AMAQI
13th Aug 2025392 AMAQI
13th Aug 2025403 AMAQI
13th Aug 2025394 AMAQI

24°C24/25°C

13th Aug 2025385 AMAQI
13th Aug 2025386 AMAQI
13th Aug 2025387 AMAQI
13th Aug 2025388 AMAQI
13th Aug 2025259 AMAQI
13th Aug 20252710 AMAQI
13th Aug 20253611 AMAQI
13th Aug 20253312 PMAQI
13th Aug 2025331 PMAQI
13th Aug 2025302 PMAQI
13th Aug 2025393 PMAQI
13th Aug 2025394 PMAQI
13th Aug 2025405 PMAQI
13th Aug 2025276 PMAQI
13th Aug 2025267 PMAQI
13th Aug 2025328 PMAQI
13th Aug 2025349 PMAQI
13th Aug 20253310 PMAQI
13th Aug 20253811 PMAQI
14th Aug 20253812 AMAQI
14th Aug 2025381 AMAQI
14th Aug 2025372 AMAQI
14th Aug 2025393 AMAQI
14th Aug 2025394 AMAQI

27°C25/29°C

14th Aug 2025385 AMAQI
14th Aug 2025386 AMAQI
14th Aug 2025387 AMAQI
14th Aug 2025388 AMAQI
14th Aug 2025319 AMAQI
14th Aug 20253310 AMAQI
14th Aug 20253711 AMAQI
14th Aug 20254512 PMAQI
14th Aug 2025511 PMAQI
14th Aug 2025502 PMAQI
14th Aug 2025563 PMAQI
14th Aug 2025554 PMAQI
14th Aug 2025455 PMAQI
14th Aug 2025436 PMAQI
14th Aug 2025507 PMAQI
14th Aug 2025378 PMAQI
14th Aug 2025369 PMAQI
14th Aug 20253610 PMAQI
14th Aug 20253411 PMAQI
15th Aug 20253512 AMAQI
15th Aug 2025371 AMAQI
15th Aug 2025362 AMAQI
15th Aug 2025363 AMAQI
15th Aug 2025394 AMAQI

28°C25/32°C

15th Aug 2025405 AMAQI
15th Aug 2025396 AMAQI
15th Aug 2025387 AMAQI
15th Aug 2025408 AMAQI
15th Aug 2025289 AMAQI
15th Aug 20253010 AMAQI
15th Aug 20254311 AMAQI
15th Aug 20255112 PMAQI
15th Aug 2025521 PMAQI
15th Aug 2025512 PMAQI
15th Aug 2025553 PMAQI
15th Aug 2025374 PMAQI
15th Aug 2025505 PMAQI
15th Aug 2025486 PMAQI
15th Aug 2025497 PMAQI
15th Aug 2025448 PMAQI
15th Aug 2025379 PMAQI
15th Aug 20253610 PMAQI
15th Aug 20253611 PMAQI
16th Aug 20253612 AMAQI
16th Aug 2025371 AMAQI
16th Aug 2025372 AMAQI
16th Aug 2025363 AMAQI
16th Aug 2025384 AMAQI

29°C26/35°C

16th Aug 2025395 AMAQI
16th Aug 2025396 AMAQI
16th Aug 2025407 AMAQI
16th Aug 2025418 AMAQI
16th Aug 2025409 AMAQI
16th Aug 20254410 AMAQI
16th Aug 20254711 AMAQI
16th Aug 20254912 PMAQI
16th Aug 2025571 PMAQI
16th Aug 2025552 PMAQI
16th Aug 2025533 PMAQI
16th Aug 2025464 PMAQI
16th Aug 2025535 PMAQI
16th Aug 2025446 PMAQI
16th Aug 2025467 PMAQI
16th Aug 2025418 PMAQI
16th Aug 2025419 PMAQI
16th Aug 20254210 PMAQI
16th Aug 20254611 PMAQI
17th Aug 20254712 AMAQI
17th Aug 2025411 AMAQI
17th Aug 2025382 AMAQI
17th Aug 2025383 AMAQI
17th Aug 2025414 AMAQI

29°C25/34°C

17th Aug 2025425 AMAQI
17th Aug 2025426 AMAQI
17th Aug 2025407 AMAQI
17th Aug 2025418 AMAQI
17th Aug 2025389 AMAQI
17th Aug 20253810 AMAQI
17th Aug 20255011 AMAQI
17th Aug 20255612 PMAQI
17th Aug 2025561 PMAQI
17th Aug 2025582 PMAQI
17th Aug 2025463 PMAQI
17th Aug 2025454 PMAQI
17th Aug 2025485 PMAQI
17th Aug 2025426 PMAQI
17th Aug 2025397 PMAQI
17th Aug 2025378 PMAQI
17th Aug 2025399 PMAQI
17th Aug 20253610 PMAQI
17th Aug 20253711 PMAQI
18th Aug 20253612 AMAQI
18th Aug 2025401 AMAQI
18th Aug 2025412 AMAQI
18th Aug 2025403 AMAQI
18th Aug 2025414 AMAQI

30°C26/36°C

18th Aug 2025435 AMAQI
18th Aug 2025436 AMAQI
18th Aug 2025447 AMAQI
18th Aug 2025438 AMAQI
18th Aug 2025399 AMAQI
18th Aug 20253910 AMAQI
18th Aug 20254211 AMAQI
18th Aug 20254612 PMAQI
18th Aug 2025501 PMAQI
18th Aug 2025552 PMAQI
18th Aug 2025543 PMAQI
18th Aug 2025514 PMAQI
18th Aug 2025565 PMAQI
18th Aug 2025516 PMAQI
18th Aug 2025547 PMAQI
18th Aug 2025488 PMAQI
18th Aug 2025489 PMAQI
18th Aug 20254610 PMAQI
18th Aug 20254611 PMAQI
19th Aug 20254812 AMAQI
19th Aug 2025411 AMAQI
19th Aug 2025422 AMAQI
19th Aug 2025403 AMAQI
19th Aug 2025424 AMAQI

31°C26/36°C

19th Aug 2025415 AMAQI
19th Aug 2025426 AMAQI
19th Aug 2025417 AMAQI
19th Aug 2025428 AMAQI
19th Aug 2025529 AMAQI
19th Aug 20255410 AMAQI
19th Aug 20255411 AMAQI
19th Aug 20255512 PMAQI
19th Aug 2025561 PMAQI
19th Aug 2025562 PMAQI
19th Aug 2025563 PMAQI
19th Aug 2025574 PMAQI
19th Aug 2025555 PMAQI
19th Aug 2025576 PMAQI
19th Aug 2025577 PMAQI
19th Aug 2025588 PMAQI
19th Aug 2025509 PMAQI
19th Aug 20255010 PMAQI
19th Aug 20254511 PMAQI
20th Aug 20254212 AMAQI
20th Aug 2025381 AMAQI
20th Aug 2025412 AMAQI
20th Aug 2025423 AMAQI
20th Aug 2025454 AMAQI

30°C25/36°C

20th Aug 2025455 AMAQI
20th Aug 2025456 AMAQI
20th Aug 2025457 AMAQI
20th Aug 2025458 AMAQI
20th Aug 2025509 AMAQI
20th Aug 20254910 AMAQI
20th Aug 20255711 AMAQI
20th Aug 20256312 PMAQI
20th Aug 2025571 PMAQI
20th Aug 2025562 PMAQI
20th Aug 2025593 PMAQI
20th Aug 2025574 PMAQI
20th Aug 2025545 PMAQI
20th Aug 2025516 PMAQI
20th Aug 2025467 PMAQI
20th Aug 2025498 PMAQI
20th Aug 2025439 PMAQI
20th Aug 20254310 PMAQI
20th Aug 20253811 PMAQI
21st Aug 20254212 AMAQI
21st Aug 2025431 AMAQI
21st Aug 2025432 AMAQI
21st Aug 2025423 AMAQI
21st Aug 2025474 AMAQI

31°C26/36°C

21st Aug 2025485 AMAQI
5 AM
21st Aug 2025486 AMAQI
21st Aug 2025477 AMAQI
21st Aug 2025488 AMAQI
21st Aug 2025629 AMAQI
21st Aug 20255610 AMAQI
21st Aug 20255411 AMAQI
11 AM
21st Aug 20255812 PMAQI
21st Aug 2025701 PMAQI
21st Aug 2025662 PMAQI
21st Aug 2025653 PMAQI
6 PM
11 PM
4 AM

--°C/°C

Day time
Avg. Highest Time
12 PM - 5 PM

48AQI

6 hours / Day
180 hours / Month
Avg. Lowest Time
9 AM - 10 AM

38AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 5 PM (Avg. 48), while the lowest AQI was between 9 AM to 10 AM (Avg. 38).
Night time
Avg. Highest Time
2 AM - 7 PM

40AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
12 AM - 1 AM

37AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 7 PM (Avg. 40), while the lowest AQI was between 12 AM to 1 AM (Avg. 37).

2025 Days Vs Air Quality

Kasugai, Aichi, Japan

2025

94%

217

6%

15

Total number of days with different AQI categories in last 233 days in 2025 (132 days remaining)

Good
217 Days
Moderate
15 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 94%

Health Risk Level:

Very Low

In 2025, 94% of 233 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

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.

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
46AQI

27AQI

30AQI

28AQI

18AQI

19AQI

20AQI

49AQI

44AQI

No. of days

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

202529AQI

31
28
31
30
31
30
19
12
17
3
217
15

Highest AQI recorded in

July

49AQI

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 (29) shows an average percentage change of -6.06% (improved AQI) compared to previous years: 2020 (24), 2021 (30), 2022 (34), 2023 (35), 2024 (34).