Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

4 chome, Nagoya, 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

4 chome, Nagoya, Aichi, Japan

2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
4th Aug 2025
60AQI
Lowest AQI recorded on
13th Aug 2025
34AQI

Same Day Analysis (20th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 44 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

4 chome, Nagoya, Aichi, Japan

AQI
Day
Night
.

5 AM20th Aug 2025

6 PM

4 AM21st Aug 2025

Day time
Avg. Highest Time
12PM20th Aug

59AQI

Avg. Lowest Time
8AM20th Aug

43AQI

Night time
Avg. Highest Time
7PM20th Aug

52AQI

Avg. Lowest Time
11PM20th Aug

41AQI

In the last 24 hours,

4 chome's AQI reached its highest point of 59 at 12 PM during the Day, while the lowest point, 41, was recorded at 11 PM during the Night between 20th Aug and 21st Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

4 chome, Nagoya, 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 2025375 AMAQI
22nd Jul 2025386 AMAQI
22nd Jul 2025387 AMAQI
22nd Jul 2025388 AMAQI
22nd Jul 2025269 AMAQI
22nd Jul 20252210 AMAQI
22nd Jul 20252511 AMAQI
22nd Jul 20252612 PMAQI
22nd Jul 2025341 PMAQI
22nd Jul 2025402 PMAQI
22nd Jul 2025423 PMAQI
22nd Jul 2025484 PMAQI
22nd Jul 2025495 PMAQI
22nd Jul 2025436 PMAQI
22nd Jul 2025287 PMAQI
22nd Jul 2025228 PMAQI
22nd Jul 2025289 PMAQI
22nd Jul 20253010 PMAQI
22nd Jul 20253011 PMAQI
23rd Jul 20253012 AMAQI
23rd Jul 2025321 AMAQI
23rd Jul 2025372 AMAQI
23rd Jul 2025363 AMAQI
23rd Jul 2025364 AMAQI

30°C26/35°C

23rd Jul 2025355 AMAQI
23rd Jul 2025366 AMAQI
23rd Jul 2025357 AMAQI
23rd Jul 2025368 AMAQI
23rd Jul 2025249 AMAQI
23rd Jul 20252210 AMAQI
23rd Jul 20253411 AMAQI
23rd Jul 20253712 PMAQI
23rd Jul 2025441 PMAQI
23rd Jul 2025502 PMAQI
23rd Jul 2025513 PMAQI
23rd Jul 2025534 PMAQI
23rd Jul 2025485 PMAQI
23rd Jul 2025456 PMAQI
23rd Jul 2025367 PMAQI
23rd Jul 2025278 PMAQI
23rd Jul 2025279 PMAQI
23rd Jul 20252810 PMAQI
23rd Jul 20252811 PMAQI
24th Jul 20252712 AMAQI
24th Jul 2025301 AMAQI
24th Jul 2025342 AMAQI
24th Jul 2025333 AMAQI
24th Jul 2025334 AMAQI

30°C26/34°C

24th Jul 2025355 AMAQI
24th Jul 2025366 AMAQI
24th Jul 2025367 AMAQI
24th Jul 2025368 AMAQI
24th Jul 2025269 AMAQI
24th Jul 20252810 AMAQI
24th Jul 20253311 AMAQI
24th Jul 20253712 PMAQI
24th Jul 2025401 PMAQI
24th Jul 2025442 PMAQI
24th Jul 2025493 PMAQI
24th Jul 2025554 PMAQI
24th Jul 2025525 PMAQI
24th Jul 2025406 PMAQI
24th Jul 2025337 PMAQI
24th Jul 2025278 PMAQI
24th Jul 2025259 PMAQI
24th Jul 20252610 PMAQI
24th Jul 20252611 PMAQI
25th Jul 20252712 AMAQI
25th Jul 2025291 AMAQI
25th Jul 2025322 AMAQI
25th Jul 2025323 AMAQI
25th Jul 2025324 AMAQI

30°C26/35°C

25th Jul 2025345 AMAQI
25th Jul 2025336 AMAQI
25th Jul 2025337 AMAQI
25th Jul 2025348 AMAQI
25th Jul 2025349 AMAQI
25th Jul 20253010 AMAQI
25th Jul 20252811 AMAQI
25th Jul 20253212 PMAQI
25th Jul 2025381 PMAQI
25th Jul 2025372 PMAQI
25th Jul 2025303 PMAQI
25th Jul 2025244 PMAQI
25th Jul 2025225 PMAQI
25th Jul 2025196 PMAQI
25th Jul 2025177 PMAQI
25th Jul 2025188 PMAQI
25th Jul 2025239 PMAQI
25th Jul 20252610 PMAQI
25th Jul 20252611 PMAQI
26th Jul 20252612 AMAQI
26th Jul 2025281 AMAQI
26th Jul 2025322 AMAQI
26th Jul 2025313 AMAQI
26th Jul 2025304 AMAQI

30°C26/34°C

26th Jul 2025325 AMAQI
26th Jul 2025326 AMAQI
26th Jul 2025327 AMAQI
26th Jul 2025328 AMAQI
26th Jul 2025219 AMAQI
26th Jul 20251810 AMAQI
26th Jul 20251711 AMAQI
26th Jul 20251912 PMAQI
26th Jul 2025231 PMAQI
26th Jul 2025282 PMAQI
26th Jul 2025243 PMAQI
26th Jul 2025224 PMAQI
26th Jul 2025225 PMAQI
26th Jul 2025216 PMAQI
26th Jul 2025217 PMAQI
26th Jul 2025228 PMAQI
26th Jul 2025249 PMAQI
26th Jul 20252610 PMAQI
26th Jul 20252711 PMAQI
27th Jul 20252712 AMAQI
27th Jul 2025281 AMAQI
27th Jul 2025312 AMAQI
27th Jul 2025303 AMAQI
27th Jul 2025314 AMAQI

30°C26/34°C

27th Jul 2025295 AMAQI
27th Jul 2025286 AMAQI
27th Jul 2025287 AMAQI
27th Jul 2025288 AMAQI
27th Jul 2025259 AMAQI
27th Jul 20252010 AMAQI
27th Jul 20251811 AMAQI
27th Jul 20251712 PMAQI
27th Jul 2025241 PMAQI
27th Jul 2025272 PMAQI
27th Jul 2025273 PMAQI
27th Jul 2025274 PMAQI
27th Jul 2025315 PMAQI
27th Jul 2025256 PMAQI
27th Jul 2025227 PMAQI
27th Jul 2025218 PMAQI
27th Jul 2025269 PMAQI
27th Jul 20252610 PMAQI
27th Jul 20252511 PMAQI
28th Jul 20252612 AMAQI
28th Jul 2025271 AMAQI
28th Jul 2025292 AMAQI
28th Jul 2025293 AMAQI
28th Jul 2025284 AMAQI

30°C26/34°C

28th Jul 2025285 AMAQI
28th Jul 2025286 AMAQI
28th Jul 2025287 AMAQI
28th Jul 2025288 AMAQI
28th Jul 2025259 AMAQI
28th Jul 20252610 AMAQI
28th Jul 20252511 AMAQI
28th Jul 20252812 PMAQI
28th Jul 2025311 PMAQI
28th Jul 2025322 PMAQI
28th Jul 2025343 PMAQI
28th Jul 2025384 PMAQI
28th Jul 2025395 PMAQI
28th Jul 2025376 PMAQI
28th Jul 2025337 PMAQI
28th Jul 2025328 PMAQI
28th Jul 2025309 PMAQI
28th Jul 20252810 PMAQI
28th Jul 20252811 PMAQI
29th Jul 20252712 AMAQI
29th Jul 2025281 AMAQI
29th Jul 2025282 AMAQI
29th Jul 2025283 AMAQI
29th Jul 2025274 AMAQI

30°C26/34°C

29th Jul 2025275 AMAQI
29th Jul 2025276 AMAQI
29th Jul 2025277 AMAQI
29th Jul 2025288 AMAQI
29th Jul 2025259 AMAQI
29th Jul 20253310 AMAQI
29th Jul 20253411 AMAQI
29th Jul 20254312 PMAQI
29th Jul 2025481 PMAQI
29th Jul 2025492 PMAQI
29th Jul 2025503 PMAQI
29th Jul 2025484 PMAQI
29th Jul 2025525 PMAQI
29th Jul 2025546 PMAQI
29th Jul 2025487 PMAQI
29th Jul 2025348 PMAQI
29th Jul 2025299 PMAQI
29th Jul 20252810 PMAQI
29th Jul 20252811 PMAQI
30th Jul 20252812 AMAQI
30th Jul 2025281 AMAQI
30th Jul 2025282 AMAQI
30th Jul 2025283 AMAQI
30th Jul 2025284 AMAQI

31°C27/37°C

30th Jul 2025295 AMAQI
30th Jul 2025296 AMAQI
30th Jul 2025297 AMAQI
30th Jul 2025288 AMAQI
30th Jul 2025309 AMAQI
30th Jul 20253410 AMAQI
30th Jul 20254411 AMAQI
30th Jul 20255212 PMAQI
30th Jul 2025511 PMAQI
30th Jul 2025552 PMAQI
30th Jul 2025583 PMAQI
30th Jul 2025624 PMAQI
30th Jul 2025585 PMAQI
30th Jul 2025466 PMAQI
30th Jul 2025387 PMAQI
30th Jul 2025348 PMAQI
30th Jul 2025309 PMAQI
30th Jul 20253110 PMAQI
30th Jul 20253011 PMAQI
31st Jul 20253012 AMAQI
31st Jul 2025281 AMAQI
31st Jul 2025282 AMAQI
31st Jul 2025283 AMAQI
31st Jul 2025284 AMAQI

31°C27/36°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 20255512 PMAQI
31st Jul 2025541 PMAQI
31st Jul 2025542 PMAQI
31st Jul 2025543 PMAQI
31st Jul 2025534 PMAQI
31st Jul 2025535 PMAQI
31st Jul 2025516 PMAQI
31st Jul 2025497 PMAQI
31st Jul 2025388 PMAQI
31st Jul 2025409 PMAQI
31st Jul 20254210 PMAQI
31st Jul 20254411 PMAQI
1st Aug 20253212 AMAQI
1st Aug 2025331 AMAQI
1st Aug 2025332 AMAQI
1st Aug 2025323 AMAQI
1st Aug 2025344 AMAQI

31°C27/35°C

1st Aug 2025365 AMAQI
1st Aug 2025376 AMAQI
1st Aug 2025407 AMAQI
1st Aug 2025388 AMAQI
1st Aug 2025349 AMAQI
1st Aug 20253510 AMAQI
1st Aug 20254711 AMAQI
1st Aug 20254912 PMAQI
1st Aug 2025421 PMAQI
1st Aug 2025552 PMAQI
1st Aug 2025603 PMAQI
1st Aug 2025644 PMAQI
1st Aug 2025595 PMAQI
1st Aug 2025596 PMAQI
1st Aug 2025647 PMAQI
1st Aug 2025568 PMAQI
1st Aug 2025409 PMAQI
1st Aug 20253510 PMAQI
1st Aug 20253411 PMAQI
2nd Aug 20253412 AMAQI
2nd Aug 2025361 AMAQI
2nd Aug 2025362 AMAQI
2nd Aug 2025363 AMAQI
2nd Aug 2025384 AMAQI

32°C27/38°C

2nd Aug 2025425 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025398 AMAQI
2nd Aug 2025439 AMAQI
2nd Aug 20254110 AMAQI
2nd Aug 20254611 AMAQI
2nd Aug 20254912 PMAQI
2nd Aug 2025521 PMAQI
2nd Aug 2025512 PMAQI
2nd Aug 2025483 PMAQI
2nd Aug 2025524 PMAQI
2nd Aug 2025505 PMAQI
2nd Aug 2025556 PMAQI
2nd Aug 2025457 PMAQI
2nd Aug 2025428 PMAQI
2nd Aug 2025369 PMAQI
2nd Aug 20253610 PMAQI
2nd Aug 20254211 PMAQI
3rd Aug 20254612 AMAQI
3rd Aug 2025401 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025383 AMAQI
3rd Aug 2025404 AMAQI

32°C27/38°C

3rd Aug 2025425 AMAQI
3rd Aug 2025406 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025398 AMAQI
3rd Aug 2025399 AMAQI
3rd Aug 20255210 AMAQI
3rd Aug 20255411 AMAQI
3rd Aug 20256112 PMAQI
3rd Aug 2025561 PMAQI
3rd Aug 2025602 PMAQI
3rd Aug 2025513 PMAQI
3rd Aug 2025544 PMAQI
3rd Aug 2025485 PMAQI
3rd Aug 2025506 PMAQI
3rd Aug 2025487 PMAQI
3rd Aug 2025448 PMAQI
3rd Aug 2025449 PMAQI
3rd Aug 20254410 PMAQI
3rd Aug 20254011 PMAQI
4th Aug 20254112 AMAQI
4th Aug 2025401 AMAQI
4th Aug 2025412 AMAQI
4th Aug 2025403 AMAQI
4th Aug 2025434 AMAQI

32°C28/37°C

4th Aug 2025435 AMAQI
4th Aug 2025446 AMAQI
4th Aug 2025447 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025619 AMAQI
4th Aug 20257610 AMAQI
4th Aug 20258611 AMAQI
4th Aug 20258212 PMAQI
4th Aug 2025881 PMAQI
4th Aug 2025912 PMAQI
4th Aug 2025943 PMAQI
4th Aug 2025884 PMAQI
4th Aug 2025905 PMAQI
4th Aug 2025936 PMAQI
4th Aug 2025847 PMAQI
4th Aug 2025718 PMAQI
4th Aug 2025589 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20254711 PMAQI
5th Aug 20255212 AMAQI
5th Aug 2025481 AMAQI
5th Aug 2025422 AMAQI
5th Aug 2025423 AMAQI
5th Aug 2025524 AMAQI

31°C28/36°C

5th Aug 2025555 AMAQI
5th Aug 2025566 AMAQI
5th Aug 2025567 AMAQI
5th Aug 2025558 AMAQI
5th Aug 2025589 AMAQI
5th Aug 20256010 AMAQI
5th Aug 20255711 AMAQI
5th Aug 20255712 PMAQI
5th Aug 2025531 PMAQI
5th Aug 2025412 PMAQI
5th Aug 2025443 PMAQI
5th Aug 2025464 PMAQI
5th Aug 2025465 PMAQI
5th Aug 2025446 PMAQI
5th Aug 2025447 PMAQI
5th Aug 2025488 PMAQI
5th Aug 2025509 PMAQI
5th Aug 20254810 PMAQI
5th Aug 20255011 PMAQI
6th Aug 20255112 AMAQI
6th Aug 2025521 AMAQI
6th Aug 2025522 AMAQI
6th Aug 2025503 AMAQI
6th Aug 2025524 AMAQI

32°C28/36°C

6th Aug 2025525 AMAQI
6th Aug 2025536 AMAQI
6th Aug 2025527 AMAQI
6th Aug 2025528 AMAQI
6th Aug 2025479 AMAQI
6th Aug 20254210 AMAQI
6th Aug 20255011 AMAQI
6th Aug 20255412 PMAQI
6th Aug 2025511 PMAQI
6th Aug 2025492 PMAQI
6th Aug 2025403 PMAQI
6th Aug 2025564 PMAQI
6th Aug 2025585 PMAQI
6th Aug 2025536 PMAQI
6th Aug 2025587 PMAQI
6th Aug 2025558 PMAQI
6th Aug 2025519 PMAQI
6th Aug 20255010 PMAQI
6th Aug 20255011 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 2025515 AMAQI
7th Aug 2025516 AMAQI
7th Aug 2025487 AMAQI
7th Aug 2025528 AMAQI
7th Aug 2025429 AMAQI
7th Aug 20254410 AMAQI
7th Aug 20254211 AMAQI
7th Aug 20253712 PMAQI
7th Aug 2025371 PMAQI
7th Aug 2025392 PMAQI
7th Aug 2025333 PMAQI
7th Aug 2025364 PMAQI
7th Aug 2025385 PMAQI
7th Aug 2025436 PMAQI
7th Aug 2025427 PMAQI
7th Aug 2025408 PMAQI
7th Aug 2025489 PMAQI
7th Aug 20255010 PMAQI
7th Aug 20255011 PMAQI
8th Aug 20255112 AMAQI
8th Aug 2025511 AMAQI
8th Aug 2025532 AMAQI
8th Aug 2025533 AMAQI
8th Aug 2025524 AMAQI

28°C26/32°C

8th Aug 2025515 AMAQI
8th Aug 2025516 AMAQI
8th Aug 2025517 AMAQI
8th Aug 2025528 AMAQI
8th Aug 2025369 AMAQI
8th Aug 20252810 AMAQI
8th Aug 20252211 AMAQI
8th Aug 20252412 PMAQI
8th Aug 2025311 PMAQI
8th Aug 2025292 PMAQI
8th Aug 2025303 PMAQI
8th Aug 2025324 PMAQI
8th Aug 2025295 PMAQI
8th Aug 2025286 PMAQI
8th Aug 2025317 PMAQI
8th Aug 2025348 PMAQI
8th Aug 2025449 PMAQI
8th Aug 20254710 PMAQI
8th Aug 20254711 PMAQI
9th Aug 20254812 AMAQI
9th Aug 2025491 AMAQI
9th Aug 2025512 AMAQI
9th Aug 2025513 AMAQI
9th Aug 2025504 AMAQI

29°C25/34°C

9th Aug 2025495 AMAQI
9th Aug 2025506 AMAQI
9th Aug 2025497 AMAQI
9th Aug 2025508 AMAQI
9th Aug 2025389 AMAQI
9th Aug 20253610 AMAQI
9th Aug 20253611 AMAQI
9th Aug 20253412 PMAQI
9th Aug 2025391 PMAQI
9th Aug 2025442 PMAQI
9th Aug 2025483 PMAQI
9th Aug 2025544 PMAQI
9th Aug 2025565 PMAQI
9th Aug 2025576 PMAQI
9th Aug 2025547 PMAQI
9th Aug 2025518 PMAQI
9th Aug 2025509 PMAQI
9th Aug 20255010 PMAQI
9th Aug 20255211 PMAQI
10th Aug 20255212 AMAQI
10th Aug 2025501 AMAQI
10th Aug 2025502 AMAQI
10th Aug 2025493 AMAQI
10th Aug 2025504 AMAQI

29°C25/33°C

10th Aug 2025505 AMAQI
10th Aug 2025486 AMAQI
10th Aug 2025487 AMAQI
10th Aug 2025488 AMAQI
10th Aug 2025369 AMAQI
10th Aug 20252810 AMAQI
10th Aug 20252411 AMAQI
10th Aug 20252512 PMAQI
10th Aug 2025311 PMAQI
10th Aug 2025362 PMAQI
10th Aug 2025313 PMAQI
10th Aug 2025304 PMAQI
10th Aug 2025325 PMAQI
10th Aug 2025376 PMAQI
10th Aug 2025387 PMAQI
10th Aug 2025418 PMAQI
10th Aug 2025469 PMAQI
10th Aug 20254710 PMAQI
10th Aug 20254911 PMAQI
11th Aug 20254612 AMAQI
11th Aug 2025481 AMAQI
11th Aug 2025522 AMAQI
11th Aug 2025513 AMAQI
11th Aug 2025514 AMAQI

25°C24/25°C

11th Aug 2025495 AMAQI
11th Aug 2025486 AMAQI
11th Aug 2025497 AMAQI
11th Aug 2025488 AMAQI
11th Aug 2025299 AMAQI
11th Aug 20252410 AMAQI
11th Aug 20252511 AMAQI
11th Aug 20252412 PMAQI
11th Aug 2025281 PMAQI
11th Aug 2025262 PMAQI
11th Aug 2025293 PMAQI
11th Aug 2025294 PMAQI
11th Aug 2025305 PMAQI
11th Aug 2025366 PMAQI
11th Aug 2025307 PMAQI
11th Aug 2025348 PMAQI
11th Aug 2025319 PMAQI
11th Aug 20253210 PMAQI
11th Aug 20253111 PMAQI
12th Aug 20253712 AMAQI
12th Aug 2025421 AMAQI
12th Aug 2025452 AMAQI
12th Aug 2025443 AMAQI
12th Aug 2025424 AMAQI

26°C25/28°C

12th Aug 2025405 AMAQI
12th Aug 2025396 AMAQI
12th Aug 2025387 AMAQI
12th Aug 2025408 AMAQI
12th Aug 2025269 AMAQI
12th Aug 20252810 AMAQI
12th Aug 20253211 AMAQI
12th Aug 20252912 PMAQI
12th Aug 2025321 PMAQI
12th Aug 2025342 PMAQI
12th Aug 2025243 PMAQI
12th Aug 2025284 PMAQI
12th Aug 2025305 PMAQI
12th Aug 2025306 PMAQI
12th Aug 2025327 PMAQI
12th Aug 2025288 PMAQI
12th Aug 2025349 PMAQI
12th Aug 20253110 PMAQI
12th Aug 20253211 PMAQI
13th Aug 20253012 AMAQI
13th Aug 2025361 AMAQI
13th Aug 2025382 AMAQI
13th Aug 2025403 AMAQI
13th Aug 2025384 AMAQI

25°C24/25°C

13th Aug 2025385 AMAQI
13th Aug 2025386 AMAQI
13th Aug 2025377 AMAQI
13th Aug 2025388 AMAQI
13th Aug 2025249 AMAQI
13th Aug 20252610 AMAQI
13th Aug 20253211 AMAQI
13th Aug 20253812 PMAQI
13th Aug 2025341 PMAQI
13th Aug 2025422 PMAQI
13th Aug 2025443 PMAQI
13th Aug 2025404 PMAQI
13th Aug 2025415 PMAQI
13th Aug 2025296 PMAQI
13th Aug 2025287 PMAQI
13th Aug 2025348 PMAQI
13th Aug 2025329 PMAQI
13th Aug 20253210 PMAQI
13th Aug 20253711 PMAQI
14th Aug 20253812 AMAQI
14th Aug 2025381 AMAQI
14th Aug 2025362 AMAQI
14th Aug 2025383 AMAQI
14th Aug 2025384 AMAQI

27°C25/30°C

14th Aug 2025375 AMAQI
14th Aug 2025386 AMAQI
14th Aug 2025377 AMAQI
14th Aug 2025378 AMAQI
14th Aug 2025299 AMAQI
14th Aug 20253710 AMAQI
14th Aug 20255011 AMAQI
14th Aug 20255012 PMAQI
14th Aug 2025531 PMAQI
14th Aug 2025502 PMAQI
14th Aug 2025563 PMAQI
14th Aug 2025554 PMAQI
14th Aug 2025565 PMAQI
14th Aug 2025526 PMAQI
14th Aug 2025507 PMAQI
14th Aug 2025428 PMAQI
14th Aug 2025379 PMAQI
14th Aug 20253910 PMAQI
14th Aug 20253811 PMAQI
15th Aug 20253512 AMAQI
15th Aug 2025361 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 2025407 AMAQI
15th Aug 2025408 AMAQI
15th Aug 2025259 AMAQI
15th Aug 20253010 AMAQI
15th Aug 20253511 AMAQI
15th Aug 20254512 PMAQI
15th Aug 2025461 PMAQI
15th Aug 2025482 PMAQI
15th Aug 2025483 PMAQI
15th Aug 2025394 PMAQI
15th Aug 2025505 PMAQI
15th Aug 2025486 PMAQI
15th Aug 2025377 PMAQI
15th Aug 2025398 PMAQI
15th Aug 2025409 PMAQI
15th Aug 20253510 PMAQI
15th Aug 20253611 PMAQI
16th Aug 20253612 AMAQI
16th Aug 2025381 AMAQI
16th Aug 2025372 AMAQI
16th Aug 2025373 AMAQI
16th Aug 2025394 AMAQI

30°C26/35°C

16th Aug 2025405 AMAQI
16th Aug 2025406 AMAQI
16th Aug 2025397 AMAQI
16th Aug 2025408 AMAQI
16th Aug 2025349 AMAQI
16th Aug 20253910 AMAQI
16th Aug 20254011 AMAQI
16th Aug 20254612 PMAQI
16th Aug 2025491 PMAQI
16th Aug 2025482 PMAQI
16th Aug 2025543 PMAQI
16th Aug 2025544 PMAQI
16th Aug 2025525 PMAQI
16th Aug 2025466 PMAQI
16th Aug 2025507 PMAQI
16th Aug 2025428 PMAQI
16th Aug 2025419 PMAQI
16th Aug 20254010 PMAQI
16th Aug 20254211 PMAQI
17th Aug 20254712 AMAQI
17th Aug 2025391 AMAQI
17th Aug 2025382 AMAQI
17th Aug 2025383 AMAQI
17th Aug 2025414 AMAQI

29°C26/34°C

17th Aug 2025405 AMAQI
17th Aug 2025426 AMAQI
17th Aug 2025427 AMAQI
17th Aug 2025408 AMAQI
17th Aug 2025349 AMAQI
17th Aug 20253410 AMAQI
17th Aug 20254711 AMAQI
17th Aug 20255312 PMAQI
17th Aug 2025461 PMAQI
17th Aug 2025542 PMAQI
17th Aug 2025443 PMAQI
17th Aug 2025444 PMAQI
17th Aug 2025405 PMAQI
17th Aug 2025376 PMAQI
17th Aug 2025287 PMAQI
17th Aug 2025318 PMAQI
17th Aug 2025329 PMAQI
17th Aug 20253610 PMAQI
17th Aug 20253411 PMAQI
18th Aug 20253412 AMAQI
18th Aug 2025381 AMAQI
18th Aug 2025402 AMAQI
18th Aug 2025403 AMAQI
18th Aug 2025404 AMAQI

30°C26/35°C

18th Aug 2025415 AMAQI
18th Aug 2025426 AMAQI
18th Aug 2025427 AMAQI
18th Aug 2025428 AMAQI
18th Aug 2025329 AMAQI
18th Aug 20253810 AMAQI
18th Aug 20254011 AMAQI
18th Aug 20254112 PMAQI
18th Aug 2025391 PMAQI
18th Aug 2025542 PMAQI
18th Aug 2025553 PMAQI
18th Aug 2025524 PMAQI
18th Aug 2025565 PMAQI
18th Aug 2025536 PMAQI
18th Aug 2025537 PMAQI
18th Aug 2025518 PMAQI
18th Aug 2025499 PMAQI
18th Aug 20254810 PMAQI
18th Aug 20254611 PMAQI
19th Aug 20254312 AMAQI
19th Aug 2025411 AMAQI
19th Aug 2025422 AMAQI
19th Aug 2025403 AMAQI
19th Aug 2025434 AMAQI

31°C26/36°C

19th Aug 2025415 AMAQI
19th Aug 2025426 AMAQI
19th Aug 2025417 AMAQI
19th Aug 2025428 AMAQI
19th Aug 2025429 AMAQI
19th Aug 20255010 AMAQI
19th Aug 20255511 AMAQI
19th Aug 20254212 PMAQI
19th Aug 2025521 PMAQI
19th Aug 2025492 PMAQI
19th Aug 2025543 PMAQI
19th Aug 2025484 PMAQI
19th Aug 2025515 PMAQI
19th Aug 2025536 PMAQI
19th Aug 2025537 PMAQI
19th Aug 2025538 PMAQI
19th Aug 2025499 PMAQI
19th Aug 20254310 PMAQI
19th Aug 20254111 PMAQI
20th Aug 20254012 AMAQI
20th Aug 2025381 AMAQI
20th Aug 2025412 AMAQI
20th Aug 2025423 AMAQI
20th Aug 2025444 AMAQI

30°C26/35°C

20th Aug 2025445 AMAQI
20th Aug 2025446 AMAQI
20th Aug 2025447 AMAQI
20th Aug 2025438 AMAQI
20th Aug 2025469 AMAQI
20th Aug 20254810 AMAQI
20th Aug 20255311 AMAQI
20th Aug 20255912 PMAQI
20th Aug 2025591 PMAQI
20th Aug 2025572 PMAQI
20th Aug 2025543 PMAQI
20th Aug 2025534 PMAQI
20th Aug 2025585 PMAQI
20th Aug 2025526 PMAQI
20th Aug 2025527 PMAQI
20th Aug 2025488 PMAQI
20th Aug 2025439 PMAQI
20th Aug 20254710 PMAQI
20th Aug 20254111 PMAQI
21st Aug 20254312 AMAQI
21st Aug 2025431 AMAQI
21st Aug 2025422 AMAQI
21st Aug 2025423 AMAQI
21st Aug 2025454 AMAQI

31°C26/36°C

21st Aug 2025465 AMAQI
5 AM
21st Aug 2025466 AMAQI
21st Aug 2025467 AMAQI
21st Aug 2025458 AMAQI
21st Aug 2025569 AMAQI
21st Aug 20255510 AMAQI
21st Aug 20255111 AMAQI
11 AM
21st Aug 20255512 PMAQI
21st Aug 2025601 PMAQI
21st Aug 2025592 PMAQI
21st Aug 2025573 PMAQI
21st Aug 2025534 PMAQI
6 PM
11 PM
4 AM

--°C/°C

Day time
Avg. Highest Time
12 PM - 6 PM

45AQI

7 hours / Day
210 hours / Month
Avg. Lowest Time
9 AM - 10 AM

36AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 6 PM (Avg. 45), while the lowest AQI was between 9 AM to 10 AM (Avg. 36).
Night time
Avg. Highest Time
12 AM - 7 PM

39AQI

6 hours / Day
180 hours / Month
Avg. Lowest Time
12 AM - 11 PM

39AQI

10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 7 PM (Avg. 39), while the lowest AQI was between 12 AM to 11 PM (Avg. 39).

2025 Days Vs Air Quality

4 chome, Nagoya, Aichi, Japan

2025

82%

69

18%

15

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

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

Under WHO’s Safe Air Quality Limits: 82%

Health Risk Level:

Low

In 2025, 82% of 233 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

4 chome, Nagoya, 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 May 2025
29AQI
2nd May 2025
22AQI
3rd May 2025
17AQI
1st June 2025
21AQI
2nd June 2025
32AQI
3rd June 2025
22AQI
4th June 2025
27AQI
5th June 2025
24AQI
6th June 2025
32AQI
7th June 2025
42AQI
8th June 2025
44AQI
9th June 2025
32AQI
10th June 2025
25AQI
11th June 2025
23AQI
12th June 2025
26AQI
13th June 2025
31AQI
14th June 2025
23AQI
15th June 2025
23AQI
16th June 2025
29AQI
17th June 2025
27AQI
18th June 2025
32AQI
19th June 2025
39AQI
20th June 2025
43AQI
21st June 2025
35AQI
22nd June 2025
28AQI
23rd June 2025
23AQI
24th June 2025
20AQI
25th June 2025
21AQI
26th June 2025
19AQI
27th June 2025
26AQI
28th June 2025
23AQI
29th June 2025
30AQI
30th June 2025
43AQI
1st July 2025
51AQI
2nd July 2025
70AQI
3rd July 2025
65AQI
4th July 2025
65AQI
5th July 2025
72AQI
6th July 2025
64AQI
7th July 2025
66AQI
8th July 2025
70AQI
9th July 2025
83AQI
10th July 2025
66AQI
11th July 2025
56AQI
12th July 2025
54AQI
13th July 2025
53AQI
14th July 2025
45AQI
15th July 2025
49AQI
16th July 2025
48AQI
17th July 2025
42AQI
18th July 2025
39AQI
19th July 2025
38AQI
20th July 2025
36AQI
21st July 2025
36AQI
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
29AQI
29th July 2025
34AQI
30th July 2025
35AQI
31st July 2025
38AQI
1st August 2025
42AQI
2nd August 2025
41AQI
3rd August 2025
46AQI
4th August 2025
60AQI
5th August 2025
50AQI
6th August 2025
51AQI
7th August 2025
47AQI
8th August 2025
42AQI
9th August 2025
49AQI
10th August 2025
43AQI
11th August 2025
39AQI
12th August 2025
35AQI
13th August 2025
34AQI
14th August 2025
41AQI
15th August 2025
39AQI
16th August 2025
41AQI
17th August 2025
40AQI
18th August 2025
43AQI
19th August 2025
46AQI
20th August 2025
44AQI

23AQI

29AQI

48AQI

44AQI

No. of days

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

202539AQI

3
30
18
13
18
2
69
15

Highest AQI recorded in

July

48AQI

Lowest AQI recorded in

May

23AQI

Most & Least Polluted Years Over the Last 1 Years

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

4 chome's annual 2025 AQI (39) shows an average percentage change of NaN% (improved AQI) compared to previous years: .