Country Background

Honcho, Tokyo, 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

Honcho, Tokyo, Japan

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
4th Aug 2025
61AQI
Lowest AQI recorded on
19th Aug 2021
11AQI


Same Day Analysis (20th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 45 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

Honcho, Tokyo, Japan

AQI
Day
Night
.

4 AM20th Aug 2025

6 PM

3 AM21st Aug 2025

Day time
Avg. Highest Time
12PM20th Aug

57AQI

Avg. Lowest Time
8AM20th Aug

43AQI

Night time
Avg. Highest Time
7PM20th Aug

54AQI

Avg. Lowest Time
11PM20th Aug

41AQI

In the last 24 hours,

Honcho's AQI reached its highest point of 57 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

Honcho, Tokyo, 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 2025384 AMAQI
22nd Jul 2025385 AMAQI
22nd Jul 2025386 AMAQI
22nd Jul 2025387 AMAQI
22nd Jul 2025388 AMAQI
22nd Jul 2025319 AMAQI
22nd Jul 20253510 AMAQI
22nd Jul 20254311 AMAQI
22nd Jul 20254912 PMAQI
22nd Jul 2025481 PMAQI
22nd Jul 2025512 PMAQI
22nd Jul 2025483 PMAQI
22nd Jul 2025454 PMAQI
22nd Jul 2025425 PMAQI
22nd Jul 2025376 PMAQI
22nd Jul 2025307 PMAQI
22nd Jul 2025288 PMAQI
22nd Jul 2025309 PMAQI
22nd Jul 20253010 PMAQI
22nd Jul 20253211 PMAQI
23rd Jul 20253112 AMAQI
23rd Jul 2025341 AMAQI
23rd Jul 2025372 AMAQI
23rd Jul 2025373 AMAQI

31°C28/36°C

23rd Jul 2025374 AMAQI
23rd Jul 2025395 AMAQI
23rd Jul 2025386 AMAQI
23rd Jul 2025397 AMAQI
23rd Jul 2025398 AMAQI
23rd Jul 2025429 AMAQI
23rd Jul 20255210 AMAQI
23rd Jul 20255711 AMAQI
23rd Jul 20255912 PMAQI
23rd Jul 2025581 PMAQI
23rd Jul 2025572 PMAQI
23rd Jul 2025543 PMAQI
23rd Jul 2025514 PMAQI
23rd Jul 2025475 PMAQI
23rd Jul 2025446 PMAQI
23rd Jul 2025417 PMAQI
23rd Jul 2025328 PMAQI
23rd Jul 2025329 PMAQI
23rd Jul 20253110 PMAQI
23rd Jul 20253111 PMAQI
24th Jul 20253012 AMAQI
24th Jul 2025341 AMAQI
24th Jul 2025372 AMAQI
24th Jul 2025373 AMAQI

31°C29/36°C

24th Jul 2025394 AMAQI
24th Jul 2025415 AMAQI
24th Jul 2025416 AMAQI
24th Jul 2025417 AMAQI
24th Jul 2025418 AMAQI
24th Jul 2025479 AMAQI
24th Jul 20255710 AMAQI
24th Jul 20256011 AMAQI
24th Jul 20256212 PMAQI
24th Jul 2025601 PMAQI
24th Jul 2025592 PMAQI
24th Jul 2025563 PMAQI
24th Jul 2025494 PMAQI
24th Jul 2025455 PMAQI
24th Jul 2025396 PMAQI
24th Jul 2025337 PMAQI
24th Jul 2025308 PMAQI
24th Jul 2025339 PMAQI
24th Jul 20253410 PMAQI
24th Jul 20253611 PMAQI
25th Jul 20253512 AMAQI
25th Jul 2025361 AMAQI
25th Jul 2025372 AMAQI
25th Jul 2025383 AMAQI

32°C29/36°C

25th Jul 2025404 AMAQI
25th Jul 2025425 AMAQI
25th Jul 2025436 AMAQI
25th Jul 2025437 AMAQI
25th Jul 2025438 AMAQI
25th Jul 2025499 AMAQI
25th Jul 20255210 AMAQI
25th Jul 20255411 AMAQI
25th Jul 20255512 PMAQI
25th Jul 2025531 PMAQI
25th Jul 2025462 PMAQI
25th Jul 2025393 PMAQI
25th Jul 2025354 PMAQI
25th Jul 2025335 PMAQI
25th Jul 2025326 PMAQI
25th Jul 2025267 PMAQI
25th Jul 2025308 PMAQI
25th Jul 2025339 PMAQI
25th Jul 20253310 PMAQI
25th Jul 20253211 PMAQI
26th Jul 20253212 AMAQI
26th Jul 2025351 AMAQI
26th Jul 2025392 AMAQI
26th Jul 2025393 AMAQI

32°C29/36°C

26th Jul 2025404 AMAQI
26th Jul 2025425 AMAQI
26th Jul 2025426 AMAQI
26th Jul 2025427 AMAQI
26th Jul 2025428 AMAQI
26th Jul 2025459 AMAQI
26th Jul 20254910 AMAQI
26th Jul 20255011 AMAQI
26th Jul 20255212 PMAQI
26th Jul 2025511 PMAQI
26th Jul 2025462 PMAQI
26th Jul 2025373 PMAQI
26th Jul 2025344 PMAQI
26th Jul 2025275 PMAQI
26th Jul 2025266 PMAQI
26th Jul 2025287 PMAQI
26th Jul 2025298 PMAQI
26th Jul 2025339 PMAQI
26th Jul 20253310 PMAQI
26th Jul 20253211 PMAQI
27th Jul 20253112 AMAQI
27th Jul 2025341 AMAQI
27th Jul 2025372 AMAQI
27th Jul 2025383 AMAQI

32°C29/37°C

27th Jul 2025394 AMAQI
27th Jul 2025415 AMAQI
27th Jul 2025406 AMAQI
27th Jul 2025417 AMAQI
27th Jul 2025418 AMAQI
27th Jul 2025379 AMAQI
27th Jul 20253810 AMAQI
27th Jul 20254411 AMAQI
27th Jul 20254212 PMAQI
27th Jul 2025381 PMAQI
27th Jul 2025372 PMAQI
27th Jul 2025353 PMAQI
27th Jul 2025304 PMAQI
27th Jul 2025275 PMAQI
27th Jul 2025246 PMAQI
27th Jul 2025227 PMAQI
27th Jul 2025238 PMAQI
27th Jul 2025299 PMAQI
27th Jul 20253010 PMAQI
27th Jul 20252911 PMAQI
28th Jul 20252912 AMAQI
28th Jul 2025331 AMAQI
28th Jul 2025372 AMAQI
28th Jul 2025373 AMAQI

32°C29/36°C

28th Jul 2025374 AMAQI
28th Jul 2025385 AMAQI
28th Jul 2025386 AMAQI
28th Jul 2025387 AMAQI
28th Jul 2025388 AMAQI
28th Jul 2025339 AMAQI
28th Jul 20253510 AMAQI
28th Jul 20254211 AMAQI
28th Jul 20254912 PMAQI
28th Jul 2025511 PMAQI
28th Jul 2025542 PMAQI
28th Jul 2025553 PMAQI
28th Jul 2025534 PMAQI
28th Jul 2025505 PMAQI
28th Jul 2025456 PMAQI
28th Jul 2025367 PMAQI
28th Jul 2025338 PMAQI
28th Jul 2025349 PMAQI
28th Jul 20253310 PMAQI
28th Jul 20253311 PMAQI
29th Jul 20253312 AMAQI
29th Jul 2025321 AMAQI
29th Jul 2025362 AMAQI
29th Jul 2025353 AMAQI

32°C29/37°C

29th Jul 2025374 AMAQI
29th Jul 2025395 AMAQI
29th Jul 2025396 AMAQI
29th Jul 2025397 AMAQI
29th Jul 2025388 AMAQI
29th Jul 2025389 AMAQI
29th Jul 20254910 AMAQI
29th Jul 20254911 AMAQI
29th Jul 20254712 PMAQI
29th Jul 2025501 PMAQI
29th Jul 2025512 PMAQI
29th Jul 2025503 PMAQI
29th Jul 2025474 PMAQI
29th Jul 2025435 PMAQI
29th Jul 2025376 PMAQI
29th Jul 2025337 PMAQI
29th Jul 2025288 PMAQI
29th Jul 2025299 PMAQI
29th Jul 20252810 PMAQI
29th Jul 20252811 PMAQI
30th Jul 20253012 AMAQI
30th Jul 2025331 AMAQI
30th Jul 2025362 AMAQI
30th Jul 2025363 AMAQI

32°C28/38°C

30th Jul 2025374 AMAQI
30th Jul 2025385 AMAQI
30th Jul 2025386 AMAQI
30th Jul 2025397 AMAQI
30th Jul 2025398 AMAQI
30th Jul 2025239 AMAQI
30th Jul 20252010 AMAQI
30th Jul 20252111 AMAQI
30th Jul 20252712 PMAQI
30th Jul 2025291 PMAQI
30th Jul 2025302 PMAQI
30th Jul 2025323 PMAQI
30th Jul 2025324 PMAQI
30th Jul 2025305 PMAQI
30th Jul 2025306 PMAQI
30th Jul 2025317 PMAQI
30th Jul 2025338 PMAQI
30th Jul 2025359 PMAQI
30th Jul 20253510 PMAQI
30th Jul 20253411 PMAQI
31st Jul 20253512 AMAQI
31st Jul 2025351 AMAQI
31st Jul 2025352 AMAQI
31st Jul 2025363 AMAQI

31°C28/36°C

31st Jul 2025354 AMAQI
31st Jul 2025345 AMAQI
31st Jul 2025346 AMAQI
31st Jul 2025347 AMAQI
31st Jul 2025348 AMAQI
31st Jul 2025349 AMAQI
31st Jul 20253410 AMAQI
31st Jul 20254011 AMAQI
31st Jul 20254012 PMAQI
31st Jul 2025401 PMAQI
31st Jul 2025362 PMAQI
31st Jul 2025353 PMAQI
31st Jul 2025294 PMAQI
31st Jul 2025265 PMAQI
31st Jul 2025256 PMAQI
31st Jul 2025257 PMAQI
31st Jul 2025278 PMAQI
31st Jul 2025289 PMAQI
31st Jul 20253010 PMAQI
31st Jul 20252711 PMAQI
1st Aug 20252712 AMAQI
1st Aug 2025321 AMAQI
1st Aug 2025342 AMAQI
1st Aug 2025353 AMAQI

29°C26/34°C

1st Aug 2025354 AMAQI
1st Aug 2025345 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025357 AMAQI
1st Aug 2025378 AMAQI
1st Aug 2025369 AMAQI
1st Aug 20252810 AMAQI
1st Aug 20254211 AMAQI
1st Aug 20254412 PMAQI
1st Aug 2025421 PMAQI
1st Aug 2025412 PMAQI
1st Aug 2025323 PMAQI
1st Aug 2025434 PMAQI
1st Aug 2025345 PMAQI
1st Aug 2025396 PMAQI
1st Aug 2025247 PMAQI
1st Aug 2025308 PMAQI
1st Aug 2025289 PMAQI
1st Aug 20253010 PMAQI
1st Aug 20252811 PMAQI
2nd Aug 20252912 AMAQI
2nd Aug 2025301 AMAQI
2nd Aug 2025362 AMAQI
2nd Aug 2025373 AMAQI

28°C27/32°C

2nd Aug 2025374 AMAQI
2nd Aug 2025385 AMAQI
2nd Aug 2025396 AMAQI
2nd Aug 2025367 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025369 AMAQI
2nd Aug 20253510 AMAQI
2nd Aug 20254411 AMAQI
2nd Aug 20254012 PMAQI
2nd Aug 2025491 PMAQI
2nd Aug 2025562 PMAQI
2nd Aug 2025573 PMAQI
2nd Aug 2025534 PMAQI
2nd Aug 2025545 PMAQI
2nd Aug 2025586 PMAQI
2nd Aug 2025557 PMAQI
2nd Aug 2025408 PMAQI
2nd Aug 2025389 PMAQI
2nd Aug 20253610 PMAQI
2nd Aug 20254311 PMAQI
3rd Aug 20253312 AMAQI
3rd Aug 2025361 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025373 AMAQI

31°C27/37°C

3rd Aug 2025404 AMAQI
3rd Aug 2025405 AMAQI
3rd Aug 2025396 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025388 AMAQI
3rd Aug 2025469 AMAQI
3rd Aug 20255410 AMAQI
3rd Aug 20255511 AMAQI
3rd Aug 20256012 PMAQI
3rd Aug 2025531 PMAQI
3rd Aug 2025582 PMAQI
3rd Aug 2025513 PMAQI
3rd Aug 2025494 PMAQI
3rd Aug 2025515 PMAQI
3rd Aug 2025546 PMAQI
3rd Aug 2025507 PMAQI
3rd Aug 2025528 PMAQI
3rd Aug 2025429 PMAQI
3rd Aug 20254410 PMAQI
3rd Aug 20254111 PMAQI
4th Aug 20253812 AMAQI
4th Aug 2025371 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025393 AMAQI

32°C28/37°C

4th Aug 2025434 AMAQI
4th Aug 2025435 AMAQI
4th Aug 2025436 AMAQI
4th Aug 2025437 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025639 AMAQI
4th Aug 20256810 AMAQI
4th Aug 20258011 AMAQI
4th Aug 20258012 PMAQI
4th Aug 2025921 PMAQI
4th Aug 2025952 PMAQI
4th Aug 2025903 PMAQI
4th Aug 2025884 PMAQI
4th Aug 2025935 PMAQI
4th Aug 2025876 PMAQI
4th Aug 2025767 PMAQI
4th Aug 2025678 PMAQI
4th Aug 2025599 PMAQI
4th Aug 20255610 PMAQI
4th Aug 20255011 PMAQI
5th Aug 20255212 AMAQI
5th Aug 2025441 AMAQI
5th Aug 2025422 AMAQI
5th Aug 2025413 AMAQI

33°C30/38°C

5th Aug 2025514 AMAQI
5th Aug 2025545 AMAQI
5th Aug 2025536 AMAQI
5th Aug 2025527 AMAQI
5th Aug 2025538 AMAQI
5th Aug 2025609 AMAQI
5th Aug 20256310 AMAQI
5th Aug 20256311 AMAQI
5th Aug 20256412 PMAQI
5th Aug 2025621 PMAQI
5th Aug 2025592 PMAQI
5th Aug 2025583 PMAQI
5th Aug 2025604 PMAQI
5th Aug 2025535 PMAQI
5th Aug 2025536 PMAQI
5th Aug 2025517 PMAQI
5th Aug 2025528 PMAQI
5th Aug 2025509 PMAQI
5th Aug 20254910 PMAQI
5th Aug 20254511 PMAQI
6th Aug 20254712 AMAQI
6th Aug 2025491 AMAQI
6th Aug 2025502 AMAQI
6th Aug 2025503 AMAQI

34°C29/40°C

6th Aug 2025524 AMAQI
6th Aug 2025535 AMAQI
6th Aug 2025536 AMAQI
6th Aug 2025537 AMAQI
6th Aug 2025538 AMAQI
6th Aug 2025469 AMAQI
6th Aug 20254210 AMAQI
6th Aug 20254611 AMAQI
6th Aug 20255312 PMAQI
6th Aug 2025551 PMAQI
6th Aug 2025582 PMAQI
6th Aug 2025543 PMAQI
6th Aug 2025504 PMAQI
6th Aug 2025595 PMAQI
6th Aug 2025566 PMAQI
6th Aug 2025607 PMAQI
6th Aug 2025538 PMAQI
6th Aug 2025469 PMAQI
6th Aug 20254810 PMAQI
6th Aug 20254511 PMAQI
7th Aug 20254612 AMAQI
7th Aug 2025491 AMAQI
7th Aug 2025522 AMAQI
7th Aug 2025513 AMAQI

33°C30/38°C

7th Aug 2025524 AMAQI
7th Aug 2025515 AMAQI
7th Aug 2025516 AMAQI
7th Aug 2025467 AMAQI
7th Aug 2025518 AMAQI
7th Aug 2025499 AMAQI
7th Aug 20254810 AMAQI
7th Aug 20254911 AMAQI
7th Aug 20253212 PMAQI
7th Aug 2025281 PMAQI
7th Aug 2025302 PMAQI
7th Aug 2025333 PMAQI
7th Aug 2025464 PMAQI
7th Aug 2025555 PMAQI
7th Aug 2025556 PMAQI
7th Aug 2025547 PMAQI
7th Aug 2025538 PMAQI
7th Aug 2025519 PMAQI
7th Aug 20255010 PMAQI
7th Aug 20255011 PMAQI
8th Aug 20255012 AMAQI
8th Aug 2025501 AMAQI
8th Aug 2025502 AMAQI
8th Aug 2025503 AMAQI

32°C30/34°C

8th Aug 2025494 AMAQI
8th Aug 2025485 AMAQI
8th Aug 2025486 AMAQI
8th Aug 2025487 AMAQI
8th Aug 2025488 AMAQI
8th Aug 2025379 AMAQI
8th Aug 20253310 AMAQI
8th Aug 20253611 AMAQI
8th Aug 20254012 PMAQI
8th Aug 2025431 PMAQI
8th Aug 2025472 PMAQI
8th Aug 2025483 PMAQI
8th Aug 2025374 PMAQI
8th Aug 2025365 PMAQI
8th Aug 2025476 PMAQI
8th Aug 2025527 PMAQI
8th Aug 2025528 PMAQI
8th Aug 2025499 PMAQI
8th Aug 20254510 PMAQI
8th Aug 20254211 PMAQI
9th Aug 20254312 AMAQI
9th Aug 2025471 AMAQI
9th Aug 2025502 AMAQI
9th Aug 2025503 AMAQI

30°C26/35°C

9th Aug 2025504 AMAQI
9th Aug 2025485 AMAQI
9th Aug 2025486 AMAQI
9th Aug 2025487 AMAQI
9th Aug 2025498 AMAQI
9th Aug 2025359 AMAQI
9th Aug 20253210 AMAQI
9th Aug 20253511 AMAQI
9th Aug 20253812 PMAQI
9th Aug 2025441 PMAQI
9th Aug 2025452 PMAQI
9th Aug 2025513 PMAQI
9th Aug 2025584 PMAQI
9th Aug 2025635 PMAQI
9th Aug 2025596 PMAQI
9th Aug 2025547 PMAQI
9th Aug 2025548 PMAQI
9th Aug 2025539 PMAQI
9th Aug 20255310 PMAQI
9th Aug 20255211 PMAQI
10th Aug 20255212 AMAQI
10th Aug 2025501 AMAQI
10th Aug 2025482 AMAQI
10th Aug 2025483 AMAQI

29°C25/34°C

10th Aug 2025484 AMAQI
10th Aug 2025465 AMAQI
10th Aug 2025466 AMAQI
10th Aug 2025477 AMAQI
10th Aug 2025478 AMAQI
10th Aug 2025459 AMAQI
10th Aug 20253810 AMAQI
10th Aug 20252811 AMAQI
10th Aug 20252412 PMAQI
10th Aug 2025271 PMAQI
10th Aug 2025242 PMAQI
10th Aug 2025223 PMAQI
10th Aug 2025214 PMAQI
10th Aug 2025235 PMAQI
10th Aug 2025266 PMAQI
10th Aug 2025267 PMAQI
10th Aug 2025278 PMAQI
10th Aug 2025389 PMAQI
10th Aug 20254210 PMAQI
10th Aug 20254111 PMAQI
11th Aug 20254112 AMAQI
11th Aug 2025451 AMAQI
11th Aug 2025492 AMAQI
11th Aug 2025493 AMAQI

27°C26/27°C

11th Aug 2025484 AMAQI
11th Aug 2025455 AMAQI
11th Aug 2025456 AMAQI
11th Aug 2025467 AMAQI
11th Aug 2025468 AMAQI
11th Aug 2025309 AMAQI
11th Aug 20252710 AMAQI
11th Aug 20252811 AMAQI
11th Aug 20252512 PMAQI
11th Aug 2025261 PMAQI
11th Aug 2025302 PMAQI
11th Aug 2025343 PMAQI
11th Aug 2025354 PMAQI
11th Aug 2025455 PMAQI
11th Aug 2025406 PMAQI
11th Aug 2025367 PMAQI
11th Aug 2025348 PMAQI
11th Aug 2025349 PMAQI
11th Aug 20253510 PMAQI
11th Aug 20253411 PMAQI
12th Aug 20253812 AMAQI
12th Aug 2025431 AMAQI
12th Aug 2025462 AMAQI
12th Aug 2025443 AMAQI

29°C27/30°C

12th Aug 2025424 AMAQI
12th Aug 2025415 AMAQI
12th Aug 2025406 AMAQI
12th Aug 2025407 AMAQI
12th Aug 2025418 AMAQI
12th Aug 2025289 AMAQI
12th Aug 20253410 AMAQI
12th Aug 20253711 AMAQI
12th Aug 20253212 PMAQI
12th Aug 2025331 PMAQI
12th Aug 2025312 PMAQI
12th Aug 2025263 PMAQI
12th Aug 2025314 PMAQI
12th Aug 2025295 PMAQI
12th Aug 2025356 PMAQI
12th Aug 2025307 PMAQI
12th Aug 2025358 PMAQI
12th Aug 2025379 PMAQI
12th Aug 20253410 PMAQI
12th Aug 20253511 PMAQI
13th Aug 20253712 AMAQI
13th Aug 2025381 AMAQI
13th Aug 2025402 AMAQI
13th Aug 2025403 AMAQI

28°C27/29°C

13th Aug 2025384 AMAQI
13th Aug 2025375 AMAQI
13th Aug 2025376 AMAQI
13th Aug 2025387 AMAQI
13th Aug 2025378 AMAQI
13th Aug 2025279 AMAQI
13th Aug 20252610 AMAQI
13th Aug 20253211 AMAQI
13th Aug 20252612 PMAQI
13th Aug 2025291 PMAQI
13th Aug 2025262 PMAQI
13th Aug 2025333 PMAQI
13th Aug 2025334 PMAQI
13th Aug 2025375 PMAQI
13th Aug 2025306 PMAQI
13th Aug 2025297 PMAQI
13th Aug 2025318 PMAQI
13th Aug 2025349 PMAQI
13th Aug 20253310 PMAQI
13th Aug 20253511 PMAQI
14th Aug 20253212 AMAQI
14th Aug 2025371 AMAQI
14th Aug 2025372 AMAQI
14th Aug 2025383 AMAQI

28°C26/32°C

14th Aug 2025364 AMAQI
14th Aug 2025355 AMAQI
14th Aug 2025366 AMAQI
14th Aug 2025357 AMAQI
14th Aug 2025358 AMAQI
14th Aug 2025329 AMAQI
14th Aug 20253310 AMAQI
14th Aug 20254311 AMAQI
14th Aug 20253812 PMAQI
14th Aug 2025431 PMAQI
14th Aug 2025412 PMAQI
14th Aug 2025493 PMAQI
14th Aug 2025464 PMAQI
14th Aug 2025395 PMAQI
14th Aug 2025346 PMAQI
14th Aug 2025337 PMAQI
14th Aug 2025358 PMAQI
14th Aug 2025349 PMAQI
14th Aug 20253210 PMAQI
14th Aug 20253111 PMAQI
15th Aug 20253412 AMAQI
15th Aug 2025361 AMAQI
15th Aug 2025342 AMAQI
15th Aug 2025343 AMAQI

28°C26/33°C

15th Aug 2025384 AMAQI
15th Aug 2025395 AMAQI
15th Aug 2025386 AMAQI
15th Aug 2025387 AMAQI
15th Aug 2025388 AMAQI
15th Aug 2025329 AMAQI
15th Aug 20253310 AMAQI
15th Aug 20254311 AMAQI
15th Aug 20254812 PMAQI
15th Aug 2025401 PMAQI
15th Aug 2025292 PMAQI
15th Aug 2025303 PMAQI
15th Aug 2025314 PMAQI
15th Aug 2025365 PMAQI
15th Aug 2025306 PMAQI
15th Aug 2025317 PMAQI
15th Aug 2025318 PMAQI
15th Aug 2025339 PMAQI
15th Aug 20253510 PMAQI
15th Aug 20253311 PMAQI
16th Aug 20253312 AMAQI
16th Aug 2025351 AMAQI
16th Aug 2025352 AMAQI
16th Aug 2025353 AMAQI

30°C27/35°C

16th Aug 2025374 AMAQI
16th Aug 2025375 AMAQI
16th Aug 2025386 AMAQI
16th Aug 2025397 AMAQI
16th Aug 2025378 AMAQI
16th Aug 2025349 AMAQI
16th Aug 20253810 AMAQI
16th Aug 20253911 AMAQI
16th Aug 20254212 PMAQI
16th Aug 2025431 PMAQI
16th Aug 2025412 PMAQI
16th Aug 2025403 PMAQI
16th Aug 2025354 PMAQI
16th Aug 2025405 PMAQI
16th Aug 2025366 PMAQI
16th Aug 2025377 PMAQI
16th Aug 2025358 PMAQI
16th Aug 2025369 PMAQI
16th Aug 20253610 PMAQI
16th Aug 20253611 PMAQI
17th Aug 20253812 AMAQI
17th Aug 2025361 AMAQI
17th Aug 2025362 AMAQI
17th Aug 2025363 AMAQI

30°C27/33°C

17th Aug 2025374 AMAQI
17th Aug 2025405 AMAQI
17th Aug 2025376 AMAQI
17th Aug 2025387 AMAQI
17th Aug 2025378 AMAQI
17th Aug 2025349 AMAQI
17th Aug 20253610 AMAQI
17th Aug 20254111 AMAQI
17th Aug 20254912 PMAQI
17th Aug 2025531 PMAQI
17th Aug 2025502 PMAQI
17th Aug 2025483 PMAQI
17th Aug 2025454 PMAQI
17th Aug 2025435 PMAQI
17th Aug 2025396 PMAQI
17th Aug 2025427 PMAQI
17th Aug 2025378 PMAQI
17th Aug 2025369 PMAQI
17th Aug 20253710 PMAQI
17th Aug 20253811 PMAQI
18th Aug 20253412 AMAQI
18th Aug 2025371 AMAQI
18th Aug 2025382 AMAQI
18th Aug 2025383 AMAQI

31°C27/36°C

18th Aug 2025384 AMAQI
18th Aug 2025405 AMAQI
18th Aug 2025416 AMAQI
18th Aug 2025417 AMAQI
18th Aug 2025408 AMAQI
18th Aug 2025409 AMAQI
18th Aug 20254110 AMAQI
18th Aug 20254011 AMAQI
18th Aug 20254612 PMAQI
18th Aug 2025421 PMAQI
18th Aug 2025472 PMAQI
18th Aug 2025523 PMAQI
18th Aug 2025554 PMAQI
18th Aug 2025575 PMAQI
18th Aug 2025506 PMAQI
18th Aug 2025517 PMAQI
18th Aug 2025468 PMAQI
18th Aug 2025449 PMAQI
18th Aug 20254410 PMAQI
18th Aug 20254311 PMAQI
19th Aug 20253912 AMAQI
19th Aug 2025401 AMAQI
19th Aug 2025412 AMAQI
19th Aug 2025393 AMAQI

31°C28/37°C

19th Aug 2025414 AMAQI
19th Aug 2025415 AMAQI
19th Aug 2025416 AMAQI
19th Aug 2025417 AMAQI
19th Aug 2025418 AMAQI
19th Aug 2025529 AMAQI
19th Aug 20255410 AMAQI
19th Aug 20255711 AMAQI
19th Aug 20255212 PMAQI
19th Aug 2025521 PMAQI
19th Aug 2025522 PMAQI
19th Aug 2025453 PMAQI
19th Aug 2025484 PMAQI
19th Aug 2025485 PMAQI
19th Aug 2025516 PMAQI
19th Aug 2025517 PMAQI
19th Aug 2025478 PMAQI
19th Aug 2025439 PMAQI
19th Aug 20254110 PMAQI
19th Aug 20253911 PMAQI
20th Aug 20253912 AMAQI
20th Aug 2025401 AMAQI
20th Aug 2025402 AMAQI
20th Aug 2025403 AMAQI

31°C27/36°C

20th Aug 2025444 AMAQI
20th Aug 2025445 AMAQI
20th Aug 2025446 AMAQI
20th Aug 2025447 AMAQI
20th Aug 2025438 AMAQI
20th Aug 2025469 AMAQI
20th Aug 20254910 AMAQI
20th Aug 20255611 AMAQI
20th Aug 20255712 PMAQI
20th Aug 2025541 PMAQI
20th Aug 2025572 PMAQI
20th Aug 2025563 PMAQI
20th Aug 2025554 PMAQI
20th Aug 2025505 PMAQI
20th Aug 2025536 PMAQI
20th Aug 2025547 PMAQI
20th Aug 2025538 PMAQI
20th Aug 2025459 PMAQI
20th Aug 20254610 PMAQI
20th Aug 20254111 PMAQI
21st Aug 20254312 AMAQI
21st Aug 2025431 AMAQI
21st Aug 2025422 AMAQI
21st Aug 2025423 AMAQI

32°C29/36°C

21st Aug 2025454 AMAQI
4 AM
21st Aug 2025455 AMAQI
21st Aug 2025466 AMAQI
21st Aug 2025457 AMAQI
21st Aug 2025468 AMAQI
21st Aug 2025659 AMAQI
21st Aug 20255610 AMAQI
21st Aug 20255311 AMAQI
11 AM
21st Aug 20255812 PMAQI
21st Aug 2025621 PMAQI
21st Aug 2025632 PMAQI
21st Aug 2025603 PMAQI
21st Aug 2025544 PMAQI
21st Aug 2025475 PMAQI
21st Aug 2025506 PMAQI
6 PM
21st Aug 2025537 PMAQI
21st Aug 2025538 PMAQI
11 PM
3 AM

--°C/°C

Day time
Avg. Highest Time
11 AM - 6 PM

45AQI

8 hours / Day
240 hours / Month
Avg. Lowest Time
4 AM - 10 AM

42AQI

7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 6 PM (Avg. 45), while the lowest AQI was between 4 AM to 10 AM (Avg. 42).
Night time
Avg. Highest Time
1 AM - 11 PM

39AQI

8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM

37AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 11 PM (Avg. 39), while the lowest AQI was between 12 AM to 12 AM (Avg. 37).

2025 Days Vs Air Quality

Honcho, Tokyo, Japan

2025

94%

219

6%

13

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

Good
219 Days
Moderate
13 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

Honcho, Tokyo, 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
28AQI
2nd January 2025
29AQI
3rd January 2025
24AQI
4th January 2025
25AQI
5th January 2025
24AQI
6th January 2025
31AQI
7th January 2025
24AQI
8th January 2025
27AQI
9th January 2025
24AQI
10th January 2025
24AQI
11th January 2025
22AQI
12th January 2025
27AQI
13th January 2025
27AQI
14th January 2025
25AQI
15th January 2025
27AQI
16th January 2025
24AQI
17th January 2025
26AQI
18th January 2025
26AQI
19th January 2025
29AQI
20th January 2025
28AQI
21st January 2025
31AQI
22nd January 2025
30AQI
23rd January 2025
31AQI
24th January 2025
35AQI
25th January 2025
31AQI
26th January 2025
31AQI
27th January 2025
24AQI
28th January 2025
30AQI
29th January 2025
24AQI
30th January 2025
27AQI
31st January 2025
26AQI
1st February 2025
29AQI
2nd February 2025
29AQI
3rd February 2025
27AQI
4th February 2025
30AQI
5th February 2025
28AQI
6th February 2025
27AQI
7th February 2025
26AQI
8th February 2025
27AQI
9th February 2025
26AQI
10th February 2025
26AQI
11th February 2025
28AQI
12th February 2025
27AQI
13th February 2025
39AQI
14th February 2025
27AQI
15th February 2025
38AQI
16th February 2025
31AQI
17th February 2025
35AQI
18th February 2025
29AQI
19th February 2025
29AQI
20th February 2025
28AQI
21st February 2025
29AQI
22nd February 2025
28AQI
23rd February 2025
29AQI
24th February 2025
27AQI
25th February 2025
32AQI
26th February 2025
32AQI
27th February 2025
36AQI
28th February 2025
40AQI
1st March 2025
45AQI
2nd March 2025
45AQI
3rd March 2025
33AQI
4th March 2025
31AQI
5th March 2025
27AQI
6th March 2025
30AQI
7th March 2025
31AQI
8th March 2025
31AQI
9th March 2025
35AQI
10th March 2025
32AQI
11th March 2025
34AQI
12th March 2025
33AQI
13th March 2025
38AQI
14th March 2025
25AQI
15th March 2025
23AQI
16th March 2025
18AQI
17th March 2025
17AQI
18th March 2025
16AQI
19th March 2025
14AQI
20th March 2025
17AQI
21st March 2025
24AQI
22nd March 2025
28AQI
23rd March 2025
31AQI
24th March 2025
33AQI
25th March 2025
53AQI
26th March 2025
62AQI
27th March 2025
59AQI
28th March 2025
40AQI
29th March 2025
31AQI
30th March 2025
36AQI
31st March 2025
29AQI
1st April 2025
24AQI
2nd April 2025
20AQI
3rd April 2025
18AQI
4th April 2025
18AQI
5th April 2025
18AQI
6th April 2025
15AQI
7th April 2025
17AQI
8th April 2025
20AQI
9th April 2025
18AQI
10th April 2025
24AQI
11th April 2025
24AQI
12th April 2025
23AQI
13th April 2025
20AQI
14th April 2025
23AQI
15th April 2025
20AQI
16th April 2025
19AQI
17th April 2025
26AQI
18th April 2025
31AQI
19th April 2025
36AQI
20th April 2025
29AQI
21st April 2025
26AQI
22nd April 2025
25AQI
23rd April 2025
17AQI
24th April 2025
19AQI
25th April 2025
22AQI
26th April 2025
23AQI
27th April 2025
24AQI
28th April 2025
24AQI
29th April 2025
17AQI
30th April 2025
22AQI
1st May 2025
20AQI
2nd May 2025
18AQI
3rd May 2025
17AQI
4th May 2025
24AQI
5th May 2025
19AQI
6th May 2025
18AQI
7th May 2025
15AQI
8th May 2025
18AQI
9th May 2025
18AQI
10th May 2025
15AQI
11th May 2025
16AQI
12th May 2025
16AQI
13th May 2025
19AQI
14th May 2025
20AQI
15th May 2025
22AQI
16th May 2025
24AQI
17th May 2025
18AQI
18th May 2025
26AQI
19th May 2025
27AQI
20th May 2025
42AQI
21st May 2025
39AQI
22nd May 2025
30AQI
23rd May 2025
29AQI
24th May 2025
26AQI
25th May 2025
20AQI
26th May 2025
20AQI
27th May 2025
19AQI
28th May 2025
19AQI
29th May 2025
20AQI
30th May 2025
17AQI
31st May 2025
14AQI
1st June 2025
16AQI
2nd June 2025
18AQI
3rd June 2025
19AQI
4th June 2025
17AQI
5th June 2025
24AQI
6th June 2025
25AQI
7th June 2025
28AQI
8th June 2025
33AQI
9th June 2025
28AQI
10th June 2025
23AQI
11th June 2025
20AQI
12th June 2025
24AQI
13th June 2025
25AQI
14th June 2025
21AQI
15th June 2025
19AQI
16th June 2025
22AQI
17th June 2025
31AQI
18th June 2025
25AQI
19th June 2025
26AQI
20th June 2025
25AQI
21st June 2025
21AQI
22nd June 2025
13AQI
23rd June 2025
14AQI
24th June 2025
14AQI
25th June 2025
15AQI
26th June 2025
15AQI
27th June 2025
19AQI
28th June 2025
18AQI
29th June 2025
21AQI
30th June 2025
34AQI
1st July 2025
38AQI
2nd July 2025
44AQI
3rd July 2025
46AQI
4th July 2025
46AQI
5th July 2025
50AQI
6th July 2025
58AQI
7th July 2025
75AQI
8th July 2025
78AQI
9th July 2025
81AQI
10th July 2025
62AQI
11th July 2025
51AQI
12th July 2025
54AQI
13th July 2025
53AQI
14th July 2025
44AQI
15th July 2025
42AQI
16th July 2025
40AQI
17th July 2025
41AQI
18th July 2025
37AQI
19th July 2025
33AQI
20th July 2025
34AQI
21st July 2025
37AQI
22nd July 2025
39AQI
23rd July 2025
43AQI
24th July 2025
44AQI
25th July 2025
41AQI
26th July 2025
40AQI
27th July 2025
36AQI
28th July 2025
41AQI
29th July 2025
40AQI
30th July 2025
33AQI
31st July 2025
34AQI
1st August 2025
34AQI
2nd August 2025
42AQI
3rd August 2025
45AQI
4th August 2025
61AQI
5th August 2025
52AQI
6th August 2025
50AQI
7th August 2025
47AQI
8th August 2025
45AQI
9th August 2025
48AQI
10th August 2025
37AQI
11th August 2025
38AQI
12th August 2025
35AQI
13th August 2025
33AQI
14th August 2025
35AQI
15th August 2025
34AQI
16th August 2025
36AQI
17th August 2025
39AQI
18th August 2025
42AQI
19th August 2025
45AQI
20th August 2025
45AQI

27AQI

30AQI

32AQI

22AQI

21AQI

22AQI

46AQI

42AQI


No. of days

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

202530AQI

31
28
28
3
30
31
30
23
8
18
2
219
13

Highest AQI recorded in

July

46AQI


Lowest AQI recorded in

May

21AQI


202432AQI

31
29
30
1
28
2
31
30
21
10
31
28
2
30
1
29
1
31
349
17

Highest AQI recorded in

July

42AQI


Lowest AQI recorded in

December

25AQI


202333AQI

31
27
1
28
3
24
6
29
2
29
1
29
2
31
30
31
27
2
31
347
17

Highest AQI recorded in

April

41AQI


Lowest AQI recorded in

August

24AQI


202230AQI

31
21
1
31
27
3
30
1
28
2
22
1
1
28
31
30
31
311
8

Highest AQI recorded in

April

36AQI


Lowest AQI recorded in

August

22AQI


202122AQI

31
28
30
1
30
31
30
31
29
2
30
30
1
30
31
361
4

Highest AQI recorded in

June

29AQI


Lowest AQI recorded in

February

13AQI


202018AQI

13
21
18
30
31
31
19
31
30
31
255

Highest AQI recorded in

August

30AQI


Lowest AQI recorded in

September

12AQI


Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
33AQI
Least Polluted Year Recorded
2020(Avg.)
18AQI


Honcho's annual 2025 AQI (30) shows an average percentage change of 17.2% (worsened AQI) compared to previous years: 2020 (18), 2021 (22), 2022 (30), 2023 (33), 2024 (32).