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HistoryAQIPM2.5PM10COSO2NO2O3

Okazaki, 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

Okazaki, Aichi, Japan

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
8th Oct 2025
63AQI
Lowest AQI recorded on
18th Oct 2021
19AQI

Same Day Analysis (12th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 53 of Moderate 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

Okazaki, Aichi, Japan

AQI
Day
Night
.

5 AM12th Oct 2025

5 PM

4 AM13th Oct 2025

Day time
Avg. Highest Time
5PM12th Oct

56AQI

Avg. Lowest Time
12PM12th Oct

40AQI

Night time
Avg. Highest Time
12AM13th Oct

65AQI

Avg. Lowest Time
7PM12th Oct

53AQI

In the last 24 hours,

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

Day & Night AQI Trend : Sep - Oct 2025

Okazaki, 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 2025189 AMAQI
13th Sep 20251610 AMAQI
13th Sep 20252611 AMAQI
13th Sep 20253112 PMAQI
13th Sep 2025251 PMAQI
13th Sep 2025242 PMAQI
13th Sep 2025253 PMAQI
13th Sep 2025274 PMAQI
13th Sep 2025275 PMAQI
13th Sep 2025246 PMAQI
13th Sep 2025267 PMAQI
13th Sep 2025298 PMAQI
13th Sep 2025259 PMAQI
13th Sep 20252710 PMAQI
13th Sep 20252811 PMAQI
14th Sep 20252912 AMAQI
14th Sep 2025321 AMAQI
14th Sep 2025322 AMAQI
14th Sep 2025333 AMAQI
14th Sep 2025314 AMAQI

26°C24/29°C

14th Sep 2025325 AMAQI
14th Sep 2025316 AMAQI
14th Sep 2025317 AMAQI
14th Sep 2025318 AMAQI
14th Sep 2025249 AMAQI
14th Sep 20252510 AMAQI
14th Sep 20252811 AMAQI
14th Sep 20253412 PMAQI
14th Sep 2025391 PMAQI
14th Sep 2025362 PMAQI
14th Sep 2025443 PMAQI
14th Sep 2025404 PMAQI
14th Sep 2025495 PMAQI
14th Sep 2025536 PMAQI
14th Sep 2025537 PMAQI
14th Sep 2025498 PMAQI
14th Sep 2025429 PMAQI
14th Sep 20254210 PMAQI
14th Sep 20254211 PMAQI
15th Sep 20254112 AMAQI
15th Sep 2025341 AMAQI
15th Sep 2025322 AMAQI
15th Sep 2025323 AMAQI
15th Sep 2025324 AMAQI

27°C25/30°C

15th Sep 2025325 AMAQI
15th Sep 2025336 AMAQI
15th Sep 2025327 AMAQI
15th Sep 2025328 AMAQI
15th Sep 2025419 AMAQI
15th Sep 20254310 AMAQI
15th Sep 20254211 AMAQI
15th Sep 20254412 PMAQI
15th Sep 2025431 PMAQI
15th Sep 2025352 PMAQI
15th Sep 2025403 PMAQI
15th Sep 2025314 PMAQI
15th Sep 2025335 PMAQI
15th Sep 2025326 PMAQI
15th Sep 2025337 PMAQI
15th Sep 2025378 PMAQI
15th Sep 2025419 PMAQI
15th Sep 20253810 PMAQI
15th Sep 20253411 PMAQI
16th Sep 20253412 AMAQI
16th Sep 2025401 AMAQI
16th Sep 2025352 AMAQI
16th Sep 2025353 AMAQI
16th Sep 2025364 AMAQI

29°C25/33°C

16th Sep 2025365 AMAQI
16th Sep 2025366 AMAQI
16th Sep 2025367 AMAQI
16th Sep 2025378 AMAQI
16th Sep 2025499 AMAQI
16th Sep 20255210 AMAQI
16th Sep 20255011 AMAQI
16th Sep 20254912 PMAQI
16th Sep 2025521 PMAQI
16th Sep 2025542 PMAQI
16th Sep 2025563 PMAQI
16th Sep 2025604 PMAQI
16th Sep 2025585 PMAQI
16th Sep 2025586 PMAQI
16th Sep 2025567 PMAQI
16th Sep 2025498 PMAQI
16th Sep 2025469 PMAQI
16th Sep 20254610 PMAQI
16th Sep 20254811 PMAQI
17th Sep 20255012 AMAQI
17th Sep 2025411 AMAQI
17th Sep 2025342 AMAQI
17th Sep 2025353 AMAQI
17th Sep 2025384 AMAQI

28°C25/33°C

17th Sep 2025405 AMAQI
17th Sep 2025406 AMAQI
17th Sep 2025407 AMAQI
17th Sep 2025408 AMAQI
17th Sep 2025539 AMAQI
17th Sep 20255710 AMAQI
17th Sep 20256111 AMAQI
17th Sep 20256112 PMAQI
17th Sep 2025621 PMAQI
17th Sep 2025652 PMAQI
17th Sep 2025603 PMAQI
17th Sep 2025584 PMAQI
17th Sep 2025605 PMAQI
17th Sep 2025616 PMAQI
17th Sep 2025587 PMAQI
17th Sep 2025568 PMAQI
17th Sep 2025549 PMAQI
17th Sep 20255410 PMAQI
17th Sep 20255511 PMAQI
18th Sep 20255512 AMAQI
18th Sep 2025521 AMAQI
18th Sep 2025402 AMAQI
18th Sep 2025413 AMAQI
18th Sep 2025424 AMAQI

29°C26/33°C

18th Sep 2025475 AMAQI
18th Sep 2025476 AMAQI
18th Sep 2025477 AMAQI
18th Sep 2025488 AMAQI
18th Sep 2025639 AMAQI
18th Sep 20256810 AMAQI
18th Sep 20256711 AMAQI
18th Sep 20256412 PMAQI
18th Sep 2025591 PMAQI
18th Sep 2025542 PMAQI
18th Sep 2025503 PMAQI
18th Sep 2025454 PMAQI
18th Sep 2025355 PMAQI
18th Sep 2025316 PMAQI
18th Sep 2025267 PMAQI
18th Sep 2025278 PMAQI
18th Sep 2025369 PMAQI
18th Sep 20253710 PMAQI
18th Sep 20253711 PMAQI
19th Sep 20253712 AMAQI
19th Sep 2025411 AMAQI
19th Sep 2025492 AMAQI
19th Sep 2025493 AMAQI
19th Sep 2025514 AMAQI

28°C25/32°C

19th Sep 2025535 AMAQI
19th Sep 2025526 AMAQI
19th Sep 2025527 AMAQI
19th Sep 2025528 AMAQI
19th Sep 2025329 AMAQI
19th Sep 20252610 AMAQI
19th Sep 20252611 AMAQI
19th Sep 20253012 PMAQI
19th Sep 2025271 PMAQI
19th Sep 2025262 PMAQI
19th Sep 2025273 PMAQI
19th Sep 2025264 PMAQI
19th Sep 2025265 PMAQI
19th Sep 2025276 PMAQI
19th Sep 2025287 PMAQI
19th Sep 2025338 PMAQI
19th Sep 2025399 PMAQI
19th Sep 20254110 PMAQI
19th Sep 20254211 PMAQI
20th Sep 20253912 AMAQI
20th Sep 2025421 AMAQI
20th Sep 2025482 AMAQI
20th Sep 2025473 AMAQI
20th Sep 2025464 AMAQI

24°C23/26°C

20th Sep 2025435 AMAQI
20th Sep 2025436 AMAQI
20th Sep 2025437 AMAQI
20th Sep 2025438 AMAQI
20th Sep 2025319 AMAQI
20th Sep 20252710 AMAQI
20th Sep 20252711 AMAQI
20th Sep 20252612 PMAQI
20th Sep 2025281 PMAQI
20th Sep 2025272 PMAQI
20th Sep 2025283 PMAQI
20th Sep 2025284 PMAQI
20th Sep 2025295 PMAQI
20th Sep 2025376 PMAQI
20th Sep 2025397 PMAQI
20th Sep 2025408 PMAQI
20th Sep 2025459 PMAQI
20th Sep 20254510 PMAQI
20th Sep 20254611 PMAQI
21st Sep 20254512 AMAQI
21st Sep 2025451 AMAQI
21st Sep 2025432 AMAQI
21st Sep 2025443 AMAQI
21st Sep 2025424 AMAQI

23°C22/24°C

21st Sep 2025405 AMAQI
21st Sep 2025406 AMAQI
21st Sep 2025407 AMAQI
21st Sep 2025408 AMAQI
21st Sep 2025229 AMAQI
21st Sep 20251510 AMAQI
21st Sep 20251611 AMAQI
21st Sep 20251812 PMAQI
21st Sep 2025191 PMAQI
21st Sep 2025182 PMAQI
21st Sep 2025193 PMAQI
21st Sep 2025184 PMAQI
21st Sep 2025175 PMAQI
21st Sep 2025176 PMAQI
21st Sep 2025197 PMAQI
21st Sep 2025238 PMAQI
21st Sep 2025329 PMAQI
21st Sep 20253210 PMAQI
21st Sep 20253211 PMAQI
22nd Sep 20253212 AMAQI
22nd Sep 2025391 AMAQI
22nd Sep 2025432 AMAQI
22nd Sep 2025423 AMAQI
22nd Sep 2025414 AMAQI

25°C22/30°C

22nd Sep 2025375 AMAQI
22nd Sep 2025376 AMAQI
22nd Sep 2025377 AMAQI
22nd Sep 2025378 AMAQI
22nd Sep 2025259 AMAQI
22nd Sep 20252010 AMAQI
22nd Sep 20252311 AMAQI
22nd Sep 20252512 PMAQI
22nd Sep 2025281 PMAQI
22nd Sep 2025282 PMAQI
22nd Sep 2025283 PMAQI
22nd Sep 2025284 PMAQI
22nd Sep 2025325 PMAQI
22nd Sep 2025286 PMAQI
22nd Sep 2025277 PMAQI
22nd Sep 2025318 PMAQI
22nd Sep 2025349 PMAQI
22nd Sep 20253510 PMAQI
22nd Sep 20253511 PMAQI
23rd Sep 20253412 AMAQI
23rd Sep 2025371 AMAQI
23rd Sep 2025392 AMAQI
23rd Sep 2025383 AMAQI
23rd Sep 2025384 AMAQI

23°C20/26°C

23rd Sep 2025355 AMAQI
23rd Sep 2025356 AMAQI
23rd Sep 2025357 AMAQI
23rd Sep 2025358 AMAQI
23rd Sep 2025329 AMAQI
23rd Sep 20253210 AMAQI
23rd Sep 20253711 AMAQI
23rd Sep 20253812 PMAQI
23rd Sep 2025391 PMAQI
23rd Sep 2025382 PMAQI
23rd Sep 2025393 PMAQI
23rd Sep 2025384 PMAQI
23rd Sep 2025385 PMAQI
23rd Sep 2025326 PMAQI
23rd Sep 2025277 PMAQI
23rd Sep 2025308 PMAQI
23rd Sep 2025349 PMAQI
23rd Sep 20253410 PMAQI
23rd Sep 20253211 PMAQI
24th Sep 20253112 AMAQI
24th Sep 2025341 AMAQI
24th Sep 2025362 AMAQI
24th Sep 2025373 AMAQI
24th Sep 2025374 AMAQI

23°C20/26°C

24th Sep 2025375 AMAQI
24th Sep 2025376 AMAQI
24th Sep 2025377 AMAQI
24th Sep 2025368 AMAQI
24th Sep 2025369 AMAQI
24th Sep 20253510 AMAQI
24th Sep 20253511 AMAQI
24th Sep 20253812 PMAQI
24th Sep 2025341 PMAQI
24th Sep 2025342 PMAQI
24th Sep 2025333 PMAQI
24th Sep 2025294 PMAQI
24th Sep 2025275 PMAQI
24th Sep 2025266 PMAQI
24th Sep 2025257 PMAQI
24th Sep 2025258 PMAQI
24th Sep 2025319 PMAQI
24th Sep 20253210 PMAQI
24th Sep 20253211 PMAQI
25th Sep 20253412 AMAQI
25th Sep 2025351 AMAQI
25th Sep 2025352 AMAQI
25th Sep 2025363 AMAQI
25th Sep 2025364 AMAQI

23°C20/27°C

25th Sep 2025365 AMAQI
25th Sep 2025366 AMAQI
25th Sep 2025357 AMAQI
25th Sep 2025358 AMAQI
25th Sep 2025319 AMAQI
25th Sep 20252910 AMAQI
25th Sep 20253411 AMAQI
25th Sep 20253712 PMAQI
25th Sep 2025421 PMAQI
25th Sep 2025412 PMAQI
25th Sep 2025463 PMAQI
25th Sep 2025514 PMAQI
25th Sep 2025555 PMAQI
25th Sep 2025566 PMAQI
25th Sep 2025487 PMAQI
25th Sep 2025438 PMAQI
25th Sep 2025449 PMAQI
25th Sep 20254610 PMAQI
25th Sep 20254611 PMAQI
26th Sep 20254612 AMAQI
26th Sep 2025471 AMAQI
26th Sep 2025432 AMAQI
26th Sep 2025393 AMAQI
26th Sep 2025304 AMAQI

25°C22/28°C

26th Sep 2025335 AMAQI
26th Sep 2025306 AMAQI
26th Sep 2025297 AMAQI
26th Sep 2025298 AMAQI
26th Sep 2025339 AMAQI
26th Sep 20253110 AMAQI
26th Sep 20253211 AMAQI
26th Sep 20253312 PMAQI
26th Sep 2025341 PMAQI
26th Sep 2025342 PMAQI
26th Sep 2025333 PMAQI
26th Sep 2025304 PMAQI
26th Sep 2025255 PMAQI
26th Sep 2025246 PMAQI
26th Sep 2025277 PMAQI
26th Sep 2025318 PMAQI
26th Sep 2025239 PMAQI
26th Sep 20252510 PMAQI
26th Sep 20252611 PMAQI
27th Sep 20252512 AMAQI
27th Sep 2025251 AMAQI
27th Sep 2025262 AMAQI
27th Sep 2025283 AMAQI
27th Sep 2025304 AMAQI

26°C22/32°C

27th Sep 2025295 AMAQI
27th Sep 2025316 AMAQI
27th Sep 2025297 AMAQI
27th Sep 2025348 AMAQI
27th Sep 2025359 AMAQI
27th Sep 20254010 AMAQI
27th Sep 20253511 AMAQI
27th Sep 20253512 PMAQI
27th Sep 2025371 PMAQI
27th Sep 2025412 PMAQI
27th Sep 2025403 PMAQI
27th Sep 2025404 PMAQI
27th Sep 2025455 PMAQI
27th Sep 2025406 PMAQI
27th Sep 2025457 PMAQI
27th Sep 2025448 PMAQI
27th Sep 2025429 PMAQI
27th Sep 20253910 PMAQI
27th Sep 20253711 PMAQI
28th Sep 20253512 AMAQI
28th Sep 2025331 AMAQI
28th Sep 2025302 AMAQI
28th Sep 2025323 AMAQI
28th Sep 2025334 AMAQI

25°C21/29°C

28th Sep 2025325 AMAQI
28th Sep 2025326 AMAQI
28th Sep 2025337 AMAQI
28th Sep 2025338 AMAQI
28th Sep 2025349 AMAQI
28th Sep 20253510 AMAQI
28th Sep 20253711 AMAQI
28th Sep 20253712 PMAQI
28th Sep 2025411 PMAQI
28th Sep 2025382 PMAQI
28th Sep 2025363 PMAQI
28th Sep 2025364 PMAQI
28th Sep 2025385 PMAQI
28th Sep 2025386 PMAQI
28th Sep 2025367 PMAQI
28th Sep 2025378 PMAQI
28th Sep 2025379 PMAQI
28th Sep 20253410 PMAQI
28th Sep 20253511 PMAQI
29th Sep 20253512 AMAQI
29th Sep 2025321 AMAQI
29th Sep 2025322 AMAQI
29th Sep 2025343 AMAQI
29th Sep 2025334 AMAQI

25°C22/28°C

29th Sep 2025295 AMAQI
29th Sep 2025306 AMAQI
29th Sep 2025317 AMAQI
29th Sep 2025308 AMAQI
29th Sep 2025329 AMAQI
29th Sep 20253310 AMAQI
29th Sep 20253611 AMAQI
29th Sep 20253212 PMAQI
29th Sep 2025211 PMAQI
29th Sep 2025202 PMAQI
29th Sep 2025233 PMAQI
29th Sep 2025234 PMAQI
29th Sep 2025235 PMAQI
29th Sep 2025236 PMAQI
29th Sep 2025207 PMAQI
29th Sep 2025168 PMAQI
29th Sep 2025209 PMAQI
29th Sep 20252710 PMAQI
29th Sep 20252711 PMAQI
30th Sep 20252212 AMAQI
30th Sep 2025211 AMAQI
30th Sep 2025232 AMAQI
30th Sep 2025273 AMAQI
30th Sep 2025214 AMAQI

24°C22/28°C

30th Sep 2025235 AMAQI
30th Sep 2025236 AMAQI
30th Sep 2025227 AMAQI
30th Sep 2025258 AMAQI
30th Sep 2025259 AMAQI
30th Sep 20252610 AMAQI
30th Sep 20252211 AMAQI
30th Sep 20252212 PMAQI
30th Sep 2025271 PMAQI
30th Sep 2025272 PMAQI
30th Sep 2025253 PMAQI
30th Sep 2025264 PMAQI
30th Sep 2025315 PMAQI
30th Sep 2025346 PMAQI
30th Sep 2025347 PMAQI
30th Sep 2025368 PMAQI
30th Sep 2025419 PMAQI
30th Sep 20253510 PMAQI
30th Sep 20253311 PMAQI
1st Oct 20253412 AMAQI
1st Oct 2025321 AMAQI
1st Oct 2025312 AMAQI
1st Oct 2025293 AMAQI
1st Oct 2025324 AMAQI

23°C20/26°C

1st Oct 2025375 AMAQI
1st Oct 2025306 AMAQI
1st Oct 2025347 AMAQI
1st Oct 2025338 AMAQI
1st Oct 2025279 AMAQI
1st Oct 20253410 AMAQI
1st Oct 20253111 AMAQI
1st Oct 20252812 PMAQI
1st Oct 2025261 PMAQI
1st Oct 2025302 PMAQI
1st Oct 2025323 PMAQI
1st Oct 2025344 PMAQI
1st Oct 2025375 PMAQI
1st Oct 2025306 PMAQI
1st Oct 2025267 PMAQI
1st Oct 2025478 PMAQI
1st Oct 2025549 PMAQI
1st Oct 20255310 PMAQI
1st Oct 20255411 PMAQI
2nd Oct 20255112 AMAQI
2nd Oct 2025511 AMAQI
2nd Oct 2025522 AMAQI
2nd Oct 2025573 AMAQI
2nd Oct 2025574 AMAQI

22°C20/24°C

2nd Oct 2025575 AMAQI
2nd Oct 2025546 AMAQI
2nd Oct 2025567 AMAQI
2nd Oct 2025548 AMAQI
2nd Oct 2025559 AMAQI
2nd Oct 20255510 AMAQI
2nd Oct 20255411 AMAQI
2nd Oct 20255312 PMAQI
2nd Oct 2025481 PMAQI
2nd Oct 2025412 PMAQI
2nd Oct 2025443 PMAQI
2nd Oct 2025464 PMAQI
2nd Oct 2025485 PMAQI
2nd Oct 2025486 PMAQI
2nd Oct 2025517 PMAQI
2nd Oct 2025548 PMAQI
2nd Oct 2025549 PMAQI
2nd Oct 20255510 PMAQI
2nd Oct 20255511 PMAQI
3rd Oct 20255312 AMAQI
3rd Oct 2025501 AMAQI
3rd Oct 2025512 AMAQI
3rd Oct 2025473 AMAQI
3rd Oct 2025484 AMAQI

22°C18/26°C

3rd Oct 2025465 AMAQI
3rd Oct 2025466 AMAQI
3rd Oct 2025477 AMAQI
3rd Oct 2025498 AMAQI
3rd Oct 2025489 AMAQI
3rd Oct 20254610 AMAQI
3rd Oct 20254811 AMAQI
3rd Oct 20254812 PMAQI
3rd Oct 2025471 PMAQI
3rd Oct 2025422 PMAQI
3rd Oct 2025453 PMAQI
3rd Oct 2025444 PMAQI
3rd Oct 2025435 PMAQI
3rd Oct 2025436 PMAQI
3rd Oct 2025457 PMAQI
3rd Oct 2025418 PMAQI
3rd Oct 2025489 PMAQI
3rd Oct 20255010 PMAQI
3rd Oct 20255211 PMAQI
4th Oct 20255712 AMAQI
4th Oct 2025601 AMAQI
4th Oct 2025572 AMAQI
4th Oct 2025613 AMAQI
4th Oct 2025594 AMAQI

23°C21/26°C

4th Oct 2025655 AMAQI
4th Oct 2025656 AMAQI
4th Oct 2025637 AMAQI
4th Oct 2025648 AMAQI
4th Oct 2025649 AMAQI
4th Oct 20256610 AMAQI
4th Oct 20256411 AMAQI
4th Oct 20256212 PMAQI
4th Oct 2025581 PMAQI
4th Oct 2025562 PMAQI
4th Oct 2025513 PMAQI
4th Oct 2025544 PMAQI
4th Oct 2025555 PMAQI
4th Oct 2025516 PMAQI
4th Oct 2025517 PMAQI
4th Oct 2025488 PMAQI
4th Oct 2025509 PMAQI
4th Oct 20255710 PMAQI
4th Oct 20255211 PMAQI
5th Oct 20255212 AMAQI
5th Oct 2025531 AMAQI
5th Oct 2025572 AMAQI
5th Oct 2025513 AMAQI
5th Oct 2025504 AMAQI

22°C21/23°C

5th Oct 2025505 AMAQI
5th Oct 2025496 AMAQI
5th Oct 2025487 AMAQI
5th Oct 2025528 AMAQI
5th Oct 2025509 AMAQI
5th Oct 20254210 AMAQI
5th Oct 20253911 AMAQI
5th Oct 20254412 PMAQI
5th Oct 2025451 PMAQI
5th Oct 2025482 PMAQI
5th Oct 2025483 PMAQI
5th Oct 2025514 PMAQI
5th Oct 2025305 PMAQI
5th Oct 2025386 PMAQI
5th Oct 2025527 PMAQI
5th Oct 2025518 PMAQI
5th Oct 2025499 PMAQI
5th Oct 20255310 PMAQI
5th Oct 20255111 PMAQI
6th Oct 20255312 AMAQI
6th Oct 2025531 AMAQI
6th Oct 2025542 AMAQI
6th Oct 2025523 AMAQI
6th Oct 2025514 AMAQI

23°C21/27°C

6th Oct 2025515 AMAQI
6th Oct 2025466 AMAQI
6th Oct 2025447 AMAQI
6th Oct 2025528 AMAQI
6th Oct 2025519 AMAQI
6th Oct 20255410 AMAQI
6th Oct 20255611 AMAQI
6th Oct 20255612 PMAQI
6th Oct 2025511 PMAQI
6th Oct 2025492 PMAQI
6th Oct 2025543 PMAQI
6th Oct 2025564 PMAQI
6th Oct 2025545 PMAQI
6th Oct 2025456 PMAQI
6th Oct 2025477 PMAQI
6th Oct 2025488 PMAQI
6th Oct 2025509 PMAQI
6th Oct 20255210 PMAQI
6th Oct 20255511 PMAQI
7th Oct 20255212 AMAQI
7th Oct 2025521 AMAQI
7th Oct 2025452 AMAQI

24°C20/30°C

7th Oct 2025398 PMAQI
7th Oct 2025319 PMAQI
7th Oct 20256110 PMAQI
7th Oct 20256511 PMAQI
8th Oct 20256412 AMAQI
8th Oct 2025641 AMAQI
8th Oct 2025612 AMAQI
8th Oct 2025573 AMAQI
8th Oct 2025564 AMAQI

24°C22/27°C

8th Oct 2025565 AMAQI
8th Oct 2025586 AMAQI
8th Oct 2025617 AMAQI
8th Oct 2025618 AMAQI
8th Oct 2025599 AMAQI
8th Oct 20256010 AMAQI
8th Oct 20255811 AMAQI
8th Oct 20255912 PMAQI
8th Oct 2025601 PMAQI
8th Oct 2025612 PMAQI
8th Oct 2025613 PMAQI
8th Oct 2025624 PMAQI
8th Oct 2025625 PMAQI
8th Oct 2025646 PMAQI
8th Oct 2025727 PMAQI
8th Oct 2025728 PMAQI
8th Oct 2025699 PMAQI
8th Oct 20257110 PMAQI
8th Oct 20257111 PMAQI
9th Oct 20257012 AMAQI
9th Oct 2025711 AMAQI
9th Oct 2025682 AMAQI
9th Oct 2025703 AMAQI
9th Oct 2025714 AMAQI

25°C22/30°C

9th Oct 2025705 AMAQI
9th Oct 2025666 AMAQI
9th Oct 2025597 AMAQI
9th Oct 2025548 AMAQI
9th Oct 2025519 AMAQI
9th Oct 20255310 AMAQI
9th Oct 20255311 AMAQI
9th Oct 20255412 PMAQI
9th Oct 2025541 PMAQI
9th Oct 2025542 PMAQI
9th Oct 2025513 PMAQI
9th Oct 2025534 PMAQI
9th Oct 2025435 PMAQI
9th Oct 2025486 PMAQI
9th Oct 2025517 PMAQI
9th Oct 2025528 PMAQI
9th Oct 2025469 PMAQI
9th Oct 20255710 PMAQI
9th Oct 20255811 PMAQI
10th Oct 20255712 AMAQI
10th Oct 2025541 AMAQI
10th Oct 2025542 AMAQI
10th Oct 2025523 AMAQI
10th Oct 2025524 AMAQI

25°C22/28°C

10th Oct 2025535 AMAQI
10th Oct 2025526 AMAQI
10th Oct 2025477 AMAQI
10th Oct 2025538 AMAQI
10th Oct 2025549 AMAQI
10th Oct 20255510 AMAQI
10th Oct 20255211 AMAQI
10th Oct 20255312 PMAQI
10th Oct 2025521 PMAQI
10th Oct 2025602 PMAQI
10th Oct 2025603 PMAQI
10th Oct 2025584 PMAQI
10th Oct 2025565 PMAQI
10th Oct 2025566 PMAQI
10th Oct 2025597 PMAQI
10th Oct 2025608 PMAQI
10th Oct 2025629 PMAQI
10th Oct 20256210 PMAQI
10th Oct 20256111 PMAQI
11th Oct 20256312 AMAQI
11th Oct 2025641 AMAQI
11th Oct 2025642 AMAQI
11th Oct 2025613 AMAQI
11th Oct 2025604 AMAQI

21°C20/23°C

11th Oct 2025565 AMAQI
11th Oct 2025586 AMAQI
11th Oct 2025557 AMAQI
11th Oct 2025558 AMAQI
11th Oct 2025559 AMAQI
11th Oct 20255710 AMAQI
11th Oct 20255811 AMAQI
11th Oct 20256112 PMAQI
11th Oct 2025651 PMAQI
11th Oct 2025652 PMAQI
11th Oct 2025583 PMAQI
11th Oct 2025544 PMAQI
11th Oct 2025565 PMAQI
11th Oct 2025566 PMAQI
11th Oct 2025577 PMAQI
11th Oct 2025488 PMAQI
11th Oct 2025549 PMAQI
11th Oct 20255810 PMAQI
11th Oct 20255711 PMAQI
12th Oct 20255912 AMAQI
12th Oct 2025591 AMAQI
12th Oct 2025572 AMAQI
12th Oct 2025553 AMAQI
12th Oct 2025564 AMAQI

21°C21/22°C

12th Oct 2025555 AMAQI
12th Oct 2025526 AMAQI
12th Oct 2025437 AMAQI
12th Oct 2025428 AMAQI
12th Oct 2025469 AMAQI
12th Oct 20254810 AMAQI
12th Oct 20254211 AMAQI
12th Oct 20254012 PMAQI
12th Oct 2025421 PMAQI
12th Oct 2025462 PMAQI
12th Oct 2025503 PMAQI
12th Oct 2025534 PMAQI
12th Oct 2025565 PMAQI
12th Oct 2025556 PMAQI
12th Oct 2025537 PMAQI
12th Oct 2025548 PMAQI
12th Oct 2025549 PMAQI
12th Oct 20255710 PMAQI
12th Oct 20256011 PMAQI
13th Oct 20256512 AMAQI
13th Oct 2025601 AMAQI
13th Oct 2025582 AMAQI
13th Oct 2025603 AMAQI
13th Oct 2025604 AMAQI

23°C21/27°C

13th Oct 2025585 AMAQI
5 AM
13th Oct 2025566 AMAQI
13th Oct 2025557 AMAQI
13th Oct 2025578 AMAQI
13th Oct 2025519 AMAQI
13th Oct 20255310 AMAQI
13th Oct 20255011 AMAQI
11 AM
13th Oct 20254912 PMAQI
13th Oct 2025491 PMAQI
13th Oct 2025472 PMAQI
13th Oct 2025433 PMAQI
13th Oct 2025444 PMAQI
13th Oct 2025435 PMAQI
5 PM
13th Oct 2025436 PMAQI
13th Oct 2025487 PMAQI
11 PM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 8 AM

43AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
9 AM - 5 PM

41AQI

9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 43), while the lowest AQI was between 9 AM to 5 PM (Avg. 41).
Night time
Avg. Highest Time
12 AM - 4 AM

44AQI

5 hours / Day
150 hours / Month
Avg. Lowest Time
6 PM - 9 PM

42AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 44), while the lowest AQI was between 6 PM to 9 PM (Avg. 42).

2025 Days Vs Air Quality

Okazaki, Aichi, Japan

2025

88%

251

12%

34

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

Good
251 Days
Moderate
34 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 88%

Health Risk Level:

Low

In 2025, 88% 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

Okazaki, 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
27AQI
2nd January 2025
30AQI
3rd January 2025
29AQI
4th January 2025
26AQI
5th January 2025
26AQI
6th January 2025
24AQI
7th January 2025
26AQI
8th January 2025
25AQI
9th January 2025
25AQI
10th January 2025
21AQI
11th January 2025
24AQI
12th January 2025
22AQI
13th January 2025
25AQI
14th January 2025
28AQI
15th January 2025
28AQI
16th January 2025
22AQI
17th January 2025
26AQI
18th January 2025
24AQI
19th January 2025
26AQI
20th January 2025
25AQI
21st January 2025
30AQI
22nd January 2025
29AQI
23rd January 2025
35AQI
24th January 2025
34AQI
25th January 2025
34AQI
26th January 2025
30AQI
27th January 2025
23AQI
28th January 2025
28AQI
29th January 2025
26AQI
30th January 2025
28AQI
31st January 2025
31AQI
1st February 2025
34AQI
2nd February 2025
25AQI
3rd February 2025
29AQI
4th February 2025
29AQI
5th February 2025
29AQI
6th February 2025
28AQI
7th February 2025
29AQI
8th February 2025
27AQI
9th February 2025
28AQI
10th February 2025
27AQI
11th February 2025
29AQI
12th February 2025
24AQI
13th February 2025
31AQI
14th February 2025
26AQI
15th February 2025
30AQI
16th February 2025
28AQI
17th February 2025
31AQI
18th February 2025
28AQI
19th February 2025
29AQI
20th February 2025
27AQI
21st February 2025
27AQI
22nd February 2025
28AQI
23rd February 2025
29AQI
24th February 2025
30AQI
25th February 2025
30AQI
26th February 2025
34AQI
27th February 2025
37AQI
28th February 2025
35AQI
1st March 2025
38AQI
2nd March 2025
37AQI
3rd March 2025
30AQI
4th March 2025
24AQI
5th March 2025
22AQI
6th March 2025
30AQI
7th March 2025
30AQI
8th March 2025
29AQI
9th March 2025
33AQI
10th March 2025
31AQI
11th March 2025
27AQI
12th March 2025
25AQI
13th March 2025
33AQI
14th March 2025
22AQI
15th March 2025
21AQI
16th March 2025
17AQI
17th March 2025
16AQI
18th March 2025
16AQI
19th March 2025
15AQI
20th March 2025
19AQI
21st March 2025
29AQI
22nd March 2025
28AQI
23rd March 2025
35AQI
24th March 2025
34AQI
25th March 2025
50AQI
26th March 2025
74AQI
27th March 2025
62AQI
28th March 2025
41AQI
29th March 2025
33AQI
30th March 2025
33AQI
31st March 2025
33AQI
1st April 2025
24AQI
2nd April 2025
25AQI
3rd April 2025
19AQI
4th April 2025
18AQI
5th April 2025
19AQI
6th April 2025
15AQI
7th April 2025
17AQI
8th April 2025
18AQI
9th April 2025
17AQI
10th April 2025
22AQI
11th April 2025
23AQI
12th April 2025
24AQI
13th April 2025
18AQI
14th April 2025
22AQI
15th April 2025
17AQI
16th April 2025
20AQI
17th April 2025
22AQI
18th April 2025
27AQI
19th April 2025
29AQI
20th April 2025
25AQI
21st April 2025
22AQI
22nd April 2025
19AQI
23rd April 2025
15AQI
24th April 2025
14AQI
25th April 2025
21AQI
26th April 2025
20AQI
27th April 2025
21AQI
28th April 2025
20AQI
29th April 2025
20AQI
30th April 2025
22AQI
1st May 2025
19AQI
2nd May 2025
17AQI
3rd May 2025
19AQI
4th May 2025
19AQI
5th May 2025
18AQI
6th May 2025
16AQI
7th May 2025
16AQI
8th May 2025
16AQI
9th May 2025
17AQI
10th May 2025
14AQI
11th May 2025
15AQI
12th May 2025
18AQI
13th May 2025
22AQI
14th May 2025
24AQI
15th May 2025
24AQI
16th May 2025
23AQI
17th May 2025
21AQI
18th May 2025
26AQI
19th May 2025
27AQI
20th May 2025
36AQI
21st May 2025
32AQI
22nd May 2025
26AQI
23rd May 2025
24AQI
24th May 2025
23AQI
25th May 2025
16AQI
26th May 2025
18AQI
27th May 2025
18AQI
28th May 2025
17AQI
29th May 2025
20AQI
30th May 2025
19AQI
31st May 2025
17AQI
1st June 2025
17AQI
2nd June 2025
21AQI
3rd June 2025
16AQI
4th June 2025
23AQI
5th June 2025
22AQI
6th June 2025
25AQI
7th June 2025
28AQI
8th June 2025
34AQI
9th June 2025
23AQI
10th June 2025
20AQI
11th June 2025
19AQI
12th June 2025
22AQI
13th June 2025
22AQI
14th June 2025
19AQI
15th June 2025
17AQI
16th June 2025
20AQI
17th June 2025
23AQI
18th June 2025
24AQI
19th June 2025
27AQI
20th June 2025
28AQI
21st June 2025
25AQI
22nd June 2025
21AQI
23rd June 2025
18AQI
24th June 2025
18AQI
25th June 2025
18AQI
26th June 2025
17AQI
27th June 2025
20AQI
28th June 2025
19AQI
29th June 2025
20AQI
30th June 2025
33AQI
1st July 2025
41AQI
2nd July 2025
50AQI
3rd July 2025
55AQI
4th July 2025
58AQI
5th July 2025
68AQI
6th July 2025
60AQI
7th July 2025
69AQI
8th July 2025
73AQI
9th July 2025
80AQI
10th July 2025
62AQI
11th July 2025
56AQI
12th July 2025
55AQI
13th July 2025
53AQI
14th July 2025
47AQI
15th July 2025
50AQI
16th July 2025
50AQI
17th July 2025
45AQI
18th July 2025
42AQI
19th July 2025
38AQI
20th July 2025
35AQI
21st July 2025
33AQI
22nd July 2025
33AQI
23rd July 2025
33AQI
24th July 2025
31AQI
25th July 2025
26AQI
26th July 2025
26AQI
27th July 2025
24AQI
28th July 2025
29AQI
29th July 2025
36AQI
30th July 2025
36AQI
31st July 2025
36AQI
1st August 2025
42AQI
2nd August 2025
44AQI
3rd August 2025
47AQI
4th August 2025
64AQI
5th August 2025
52AQI
6th August 2025
52AQI
7th August 2025
47AQI
8th August 2025
44AQI
9th August 2025
50AQI
10th August 2025
43AQI
11th August 2025
37AQI
12th August 2025
36AQI
13th August 2025
36AQI
14th August 2025
40AQI
15th August 2025
40AQI
16th August 2025
41AQI
17th August 2025
42AQI
18th August 2025
45AQI
19th August 2025
48AQI
20th August 2025
46AQI
21st August 2025
48AQI
22nd August 2025
46AQI
23rd August 2025
49AQI
24th August 2025
57AQI
25th August 2025
58AQI
26th August 2025
56AQI
27th August 2025
52AQI
28th August 2025
51AQI
29th August 2025
55AQI
30th August 2025
56AQI
31st August 2025
54AQI
1st September 2025
44AQI
2nd September 2025
36AQI
3rd September 2025
40AQI
4th September 2025
26AQI
5th September 2025
25AQI
6th September 2025
28AQI
7th September 2025
32AQI
8th September 2025
38AQI
9th September 2025
39AQI
10th September 2025
36AQI
11th September 2025
31AQI
12th September 2025
31AQI
13th September 2025
28AQI
14th September 2025
37AQI
15th September 2025
36AQI
16th September 2025
45AQI
17th September 2025
51AQI
18th September 2025
46AQI
19th September 2025
38AQI
20th September 2025
38AQI
21st September 2025
30AQI
22nd September 2025
33AQI
23rd September 2025
35AQI
24th September 2025
33AQI
25th September 2025
41AQI
26th September 2025
34AQI
27th September 2025
34AQI
28th September 2025
35AQI
29th September 2025
29AQI
30th September 2025
28AQI
1st October 2025
35AQI
2nd October 2025
52AQI
3rd October 2025
48AQI
4th October 2025
57AQI
5th October 2025
49AQI
6th October 2025
51AQI
7th October 2025
51AQI
8th October 2025
63AQI
9th October 2025
59AQI
10th October 2025
56AQI
11th October 2025
58AQI
12th October 2025
53AQI
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

29AQI

31AQI

21AQI

21AQI

22AQI

46AQI

48AQI

35AQI

53AQI

No. of days

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

202532AQI

31
28
29
2
30
31
30
20
11
20
11
29
1
3
9
251
34

Highest AQI recorded in

October

53AQI

Lowest AQI recorded in

April

21AQI

202436AQI

28
1
27
2
25
6
19
11
29
2
26
4
27
4
25
6
26
4
28
3
26
4
31
317
47

Highest AQI recorded in

April

49AQI

Lowest AQI recorded in

December

24AQI

202339AQI

28
3
26
2
24
7
16
14
26
5
22
8
21
10
29
2
28
2
27
1
24
5
27
4
298
63

Highest AQI recorded in

April

50AQI

Lowest AQI recorded in

August

30AQI

202238AQI

31
20
2
21
10
17
11
20
11
24
6
19
4
2
23
5
26
3
27
3
31
261
55

Highest AQI recorded in

May

46AQI

Lowest AQI recorded in

August

19AQI

202137AQI

28
3
23
5
27
4
20
3
28
3
24
6
28
3
29
2
24
6
28
1
26
4
30
1
315
41

Highest AQI recorded in

June

43AQI

Lowest AQI recorded in

December

32AQI

202037AQI

12
1
19
2
16
2
21
9
29
2
18
13
13
27
2
26
4
30
1
211
36

Highest AQI recorded in

August

50AQI

Lowest AQI recorded in

September

24AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
39AQI
Least Polluted Year Recorded
2025(Avg.)
32AQI

Okazaki's annual 2025 AQI (32) shows an average percentage change of -14.3% (improved AQI) compared to previous years: 2020 (37), 2021 (37), 2022 (38), 2023 (39), 2024 (36).