Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Yokohama, Kanagawa, 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

Yokohama, Kanagawa, Japan

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
26th Aug 2021
74AQI
Lowest AQI recorded on
25th Aug 2023
15AQI

Same Day Analysis (19th 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

Yokohama, Kanagawa, Japan

AQI
Day
Night
.

4 AM20th Aug 2025

6 PM

3 AM21st Aug 2025

Day time
Avg. Highest Time
12PM20th Aug

58AQI

Avg. Lowest Time
8AM20th Aug

43AQI

Night time
Avg. Highest Time
7PM20th Aug

53AQI

Avg. Lowest Time
11PM20th Aug

41AQI

In the last 24 hours,

Yokohama's AQI reached its highest point of 58 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

Yokohama, Kanagawa, 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 2025375 AMAQI
22nd Jul 2025376 AMAQI
22nd Jul 2025377 AMAQI
22nd Jul 2025378 AMAQI
22nd Jul 2025309 AMAQI
22nd Jul 20253210 AMAQI
22nd Jul 20254011 AMAQI
22nd Jul 20254212 PMAQI
22nd Jul 2025371 PMAQI
22nd Jul 2025342 PMAQI
22nd Jul 2025343 PMAQI
22nd Jul 2025304 PMAQI
22nd Jul 2025265 PMAQI
22nd Jul 2025186 PMAQI
22nd Jul 2025167 PMAQI
22nd Jul 2025218 PMAQI
22nd Jul 2025269 PMAQI
22nd Jul 20252610 PMAQI
22nd Jul 20252711 PMAQI
23rd Jul 20252712 AMAQI
23rd Jul 2025321 AMAQI
23rd Jul 2025362 AMAQI
23rd Jul 2025363 AMAQI

28°C27/30°C

23rd Jul 2025364 AMAQI
23rd Jul 2025365 AMAQI
23rd Jul 2025366 AMAQI
23rd Jul 2025367 AMAQI
23rd Jul 2025368 AMAQI
23rd Jul 2025239 AMAQI
23rd Jul 20252210 AMAQI
23rd Jul 20253111 AMAQI
23rd Jul 20254312 PMAQI
23rd Jul 2025391 PMAQI
23rd Jul 2025352 PMAQI
23rd Jul 2025333 PMAQI
23rd Jul 2025374 PMAQI
23rd Jul 2025325 PMAQI
23rd Jul 2025276 PMAQI
23rd Jul 2025237 PMAQI
23rd Jul 2025248 PMAQI
23rd Jul 2025309 PMAQI
23rd Jul 20253110 PMAQI
23rd Jul 20252811 PMAQI
24th Jul 20252712 AMAQI
24th Jul 2025291 AMAQI
24th Jul 2025332 AMAQI
24th Jul 2025343 AMAQI

28°C27/30°C

24th Jul 2025334 AMAQI
24th Jul 2025345 AMAQI
24th Jul 2025346 AMAQI
24th Jul 2025347 AMAQI
24th Jul 2025348 AMAQI
24th Jul 2025399 AMAQI
24th Jul 20255310 AMAQI
24th Jul 20255911 AMAQI
24th Jul 20255712 PMAQI
24th Jul 2025471 PMAQI
24th Jul 2025412 PMAQI
24th Jul 2025353 PMAQI
24th Jul 2025284 PMAQI
24th Jul 2025245 PMAQI
24th Jul 2025246 PMAQI
24th Jul 2025227 PMAQI
24th Jul 2025238 PMAQI
24th Jul 2025289 PMAQI
24th Jul 20252910 PMAQI
24th Jul 20252911 PMAQI
25th Jul 20252912 AMAQI
25th Jul 2025291 AMAQI
25th Jul 2025322 AMAQI
25th Jul 2025323 AMAQI

28°C27/30°C

25th Jul 2025334 AMAQI
25th Jul 2025355 AMAQI
25th Jul 2025366 AMAQI
25th Jul 2025367 AMAQI
25th Jul 2025368 AMAQI
25th Jul 2025329 AMAQI
25th Jul 20253010 AMAQI
25th Jul 20252411 AMAQI
25th Jul 20252912 PMAQI
25th Jul 2025251 PMAQI
25th Jul 2025242 PMAQI
25th Jul 2025233 PMAQI
25th Jul 2025224 PMAQI
25th Jul 2025205 PMAQI
25th Jul 2025226 PMAQI
25th Jul 2025247 PMAQI
25th Jul 2025238 PMAQI
25th Jul 2025279 PMAQI
25th Jul 20253110 PMAQI
25th Jul 20252811 PMAQI
26th Jul 20252612 AMAQI
26th Jul 2025281 AMAQI
26th Jul 2025332 AMAQI
26th Jul 2025333 AMAQI

29°C27/30°C

26th Jul 2025324 AMAQI
26th Jul 2025325 AMAQI
26th Jul 2025326 AMAQI
26th Jul 2025327 AMAQI
26th Jul 2025328 AMAQI
26th Jul 2025269 AMAQI
26th Jul 20252710 AMAQI
26th Jul 20252711 AMAQI
26th Jul 20252612 PMAQI
26th Jul 2025261 PMAQI
26th Jul 2025262 PMAQI
26th Jul 2025263 PMAQI
26th Jul 2025224 PMAQI
26th Jul 2025215 PMAQI
26th Jul 2025226 PMAQI
26th Jul 2025247 PMAQI
26th Jul 2025258 PMAQI
26th Jul 2025279 PMAQI
26th Jul 20252810 PMAQI
26th Jul 20252711 PMAQI
27th Jul 20252712 AMAQI
27th Jul 2025291 AMAQI
27th Jul 2025312 AMAQI
27th Jul 2025313 AMAQI

29°C27/30°C

27th Jul 2025314 AMAQI
27th Jul 2025305 AMAQI
27th Jul 2025306 AMAQI
27th Jul 2025307 AMAQI
27th Jul 2025308 AMAQI
27th Jul 2025269 AMAQI
27th Jul 20252210 AMAQI
27th Jul 20252311 AMAQI
27th Jul 20252512 PMAQI
27th Jul 2025241 PMAQI
27th Jul 2025232 PMAQI
27th Jul 2025223 PMAQI
27th Jul 2025254 PMAQI
27th Jul 2025235 PMAQI
27th Jul 2025216 PMAQI
27th Jul 2025207 PMAQI
27th Jul 2025228 PMAQI
27th Jul 2025259 PMAQI
27th Jul 20252610 PMAQI
27th Jul 20252711 PMAQI
28th Jul 20252712 AMAQI
28th Jul 2025271 AMAQI
28th Jul 2025302 AMAQI
28th Jul 2025293 AMAQI

28°C27/30°C

28th Jul 2025294 AMAQI
28th Jul 2025285 AMAQI
28th Jul 2025296 AMAQI
28th Jul 2025287 AMAQI
28th Jul 2025298 AMAQI
28th Jul 2025259 AMAQI
28th Jul 20253510 AMAQI
28th Jul 20254411 AMAQI
28th Jul 20254412 PMAQI
28th Jul 2025481 PMAQI
28th Jul 2025412 PMAQI
28th Jul 2025233 PMAQI
28th Jul 2025214 PMAQI
28th Jul 2025195 PMAQI
28th Jul 2025186 PMAQI
28th Jul 2025187 PMAQI
28th Jul 2025198 PMAQI
28th Jul 2025229 PMAQI
28th Jul 20252210 PMAQI
28th Jul 20252411 PMAQI
29th Jul 20252512 AMAQI
29th Jul 2025261 AMAQI
29th Jul 2025282 AMAQI
29th Jul 2025283 AMAQI

28°C27/30°C

29th Jul 2025294 AMAQI
29th Jul 2025305 AMAQI
29th Jul 2025306 AMAQI
29th Jul 2025307 AMAQI
29th Jul 2025298 AMAQI
29th Jul 2025269 AMAQI
29th Jul 20253010 AMAQI
29th Jul 20253611 AMAQI
29th Jul 20253812 PMAQI
29th Jul 2025451 PMAQI
29th Jul 2025532 PMAQI
29th Jul 2025553 PMAQI
29th Jul 2025524 PMAQI
29th Jul 2025415 PMAQI
29th Jul 2025296 PMAQI
29th Jul 2025287 PMAQI
29th Jul 2025248 PMAQI
29th Jul 2025279 PMAQI
29th Jul 20252410 PMAQI
29th Jul 20252411 PMAQI
30th Jul 20252612 AMAQI
30th Jul 2025271 AMAQI
30th Jul 2025282 AMAQI
30th Jul 2025293 AMAQI

29°C26/32°C

30th Jul 2025294 AMAQI
30th Jul 2025305 AMAQI
30th Jul 2025306 AMAQI
30th Jul 2025317 AMAQI
30th Jul 2025308 AMAQI
30th Jul 2025229 AMAQI
30th Jul 20252310 AMAQI
30th Jul 20252711 AMAQI
30th Jul 20253212 PMAQI
30th Jul 2025341 PMAQI
30th Jul 2025322 PMAQI
30th Jul 2025343 PMAQI
30th Jul 2025344 PMAQI
30th Jul 2025325 PMAQI
30th Jul 2025306 PMAQI
30th Jul 2025357 PMAQI
30th Jul 2025388 PMAQI
30th Jul 2025339 PMAQI
30th Jul 20253210 PMAQI
30th Jul 20253211 PMAQI
31st Jul 20253112 AMAQI
31st Jul 2025301 AMAQI
31st Jul 2025292 AMAQI
31st Jul 2025293 AMAQI

29°C26/33°C

31st Jul 2025294 AMAQI
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 20254011 AMAQI
31st Jul 20254312 PMAQI
31st Jul 2025411 PMAQI
31st Jul 2025422 PMAQI
31st Jul 2025403 PMAQI
31st Jul 2025354 PMAQI
31st Jul 2025325 PMAQI
31st Jul 2025256 PMAQI
31st Jul 2025227 PMAQI
31st Jul 2025278 PMAQI
31st Jul 2025289 PMAQI
31st Jul 20253010 PMAQI
31st Jul 20252711 PMAQI
1st Aug 20252712 AMAQI
1st Aug 2025311 AMAQI
1st Aug 2025352 AMAQI
1st Aug 2025353 AMAQI

28°C26/31°C

1st Aug 2025354 AMAQI
1st Aug 2025355 AMAQI
1st Aug 2025376 AMAQI
1st Aug 2025367 AMAQI
1st Aug 2025378 AMAQI
1st Aug 2025369 AMAQI
1st Aug 20253010 AMAQI
1st Aug 20254311 AMAQI
1st Aug 20254512 PMAQI
1st Aug 2025391 PMAQI
1st Aug 2025362 PMAQI
1st Aug 2025353 PMAQI
1st Aug 2025454 PMAQI
1st Aug 2025355 PMAQI
1st Aug 2025436 PMAQI
1st Aug 2025267 PMAQI
1st Aug 2025308 PMAQI
1st Aug 2025299 PMAQI
1st Aug 20253110 PMAQI
1st Aug 20252811 PMAQI
2nd Aug 20253012 AMAQI
2nd Aug 2025311 AMAQI
2nd Aug 2025362 AMAQI
2nd Aug 2025373 AMAQI

28°C26/30°C

2nd Aug 2025374 AMAQI
2nd Aug 2025385 AMAQI
2nd Aug 2025396 AMAQI
2nd Aug 2025377 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025369 AMAQI
2nd Aug 20253510 AMAQI
2nd Aug 20254111 AMAQI
2nd Aug 20254212 PMAQI
2nd Aug 2025521 PMAQI
2nd Aug 2025562 PMAQI
2nd Aug 2025573 PMAQI
2nd Aug 2025554 PMAQI
2nd Aug 2025535 PMAQI
2nd Aug 2025566 PMAQI
2nd Aug 2025517 PMAQI
2nd Aug 2025398 PMAQI
2nd Aug 2025379 PMAQI
2nd Aug 20253610 PMAQI
2nd Aug 20254011 PMAQI
3rd Aug 20253412 AMAQI
3rd Aug 2025361 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025373 AMAQI

29°C27/31°C

3rd Aug 2025404 AMAQI
3rd Aug 2025395 AMAQI
3rd Aug 2025396 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025388 AMAQI
3rd Aug 2025459 AMAQI
3rd Aug 20255310 AMAQI
3rd Aug 20255411 AMAQI
3rd Aug 20256112 PMAQI
3rd Aug 2025541 PMAQI
3rd Aug 2025562 PMAQI
3rd Aug 2025513 PMAQI
3rd Aug 2025484 PMAQI
3rd Aug 2025475 PMAQI
3rd Aug 2025516 PMAQI
3rd Aug 2025477 PMAQI
3rd Aug 2025488 PMAQI
3rd Aug 2025429 PMAQI
3rd Aug 20254410 PMAQI
3rd Aug 20254111 PMAQI
4th Aug 20254012 AMAQI
4th Aug 2025381 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025393 AMAQI

29°C27/33°C

4th Aug 2025424 AMAQI
4th Aug 2025435 AMAQI
4th Aug 2025436 AMAQI
4th Aug 2025437 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025619 AMAQI
4th Aug 20257310 AMAQI
4th Aug 20258211 AMAQI
4th Aug 20258312 PMAQI
4th Aug 2025901 PMAQI
4th Aug 2025972 PMAQI
4th Aug 2025903 PMAQI
4th Aug 2025904 PMAQI
4th Aug 2025985 PMAQI
4th Aug 2025956 PMAQI
4th Aug 2025787 PMAQI
4th Aug 2025718 PMAQI
4th Aug 2025599 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20254711 PMAQI
5th Aug 20255812 AMAQI
5th Aug 2025441 AMAQI
5th Aug 2025412 AMAQI
5th Aug 2025403 AMAQI

30°C28/32°C

5th Aug 2025514 AMAQI
5th Aug 2025555 AMAQI
5th Aug 2025536 AMAQI
5th Aug 2025527 AMAQI
5th Aug 2025548 AMAQI
5th Aug 2025579 AMAQI
5th Aug 20256210 AMAQI
5th Aug 20256111 AMAQI
5th Aug 20255212 PMAQI
5th Aug 2025581 PMAQI
5th Aug 2025532 PMAQI
5th Aug 2025533 PMAQI
5th Aug 2025564 PMAQI
5th Aug 2025525 PMAQI
5th Aug 2025516 PMAQI
5th Aug 2025497 PMAQI
5th Aug 2025498 PMAQI
5th Aug 2025489 PMAQI
5th Aug 20254810 PMAQI
5th Aug 20254611 PMAQI
6th Aug 20254712 AMAQI
6th Aug 2025471 AMAQI
6th Aug 2025502 AMAQI
6th Aug 2025493 AMAQI

30°C28/32°C

6th Aug 2025524 AMAQI
6th Aug 2025525 AMAQI
6th Aug 2025526 AMAQI
6th Aug 2025527 AMAQI
6th Aug 2025528 AMAQI
6th Aug 2025489 AMAQI
6th Aug 20254510 AMAQI
6th Aug 20254811 AMAQI
6th Aug 20255512 PMAQI
6th Aug 2025531 PMAQI
6th Aug 2025562 PMAQI
6th Aug 2025503 PMAQI
6th Aug 2025534 PMAQI
6th Aug 2025595 PMAQI
6th Aug 2025566 PMAQI
6th Aug 2025587 PMAQI
6th Aug 2025558 PMAQI
6th Aug 2025489 PMAQI
6th Aug 20255010 PMAQI
6th Aug 20254711 PMAQI
7th Aug 20254712 AMAQI
7th Aug 2025491 AMAQI
7th Aug 2025512 AMAQI
7th Aug 2025513 AMAQI

30°C29/32°C

7th Aug 2025514 AMAQI
7th Aug 2025515 AMAQI
7th Aug 2025516 AMAQI
7th Aug 2025467 AMAQI
7th Aug 2025518 AMAQI
7th Aug 2025509 AMAQI
7th Aug 20254810 AMAQI
7th Aug 20254811 AMAQI
7th Aug 20253312 PMAQI
7th Aug 2025321 PMAQI
7th Aug 2025322 PMAQI
7th Aug 2025393 PMAQI
7th Aug 2025564 PMAQI
7th Aug 2025555 PMAQI
7th Aug 2025496 PMAQI
7th Aug 2025507 PMAQI
7th Aug 2025508 PMAQI
7th Aug 2025519 PMAQI
7th Aug 20255210 PMAQI
7th Aug 20255211 PMAQI
8th Aug 20255112 AMAQI
8th Aug 2025511 AMAQI
8th Aug 2025502 AMAQI
8th Aug 2025513 AMAQI

31°C29/33°C

8th Aug 2025504 AMAQI
8th Aug 2025485 AMAQI
8th Aug 2025496 AMAQI
8th Aug 2025497 AMAQI
8th Aug 2025498 AMAQI
8th Aug 2025439 AMAQI
8th Aug 20254310 AMAQI
8th Aug 20254211 AMAQI
8th Aug 20254712 PMAQI
8th Aug 2025531 PMAQI
8th Aug 2025542 PMAQI
8th Aug 2025473 PMAQI
8th Aug 2025294 PMAQI
8th Aug 2025255 PMAQI
8th Aug 2025256 PMAQI
8th Aug 2025277 PMAQI
8th Aug 2025318 PMAQI
8th Aug 2025409 PMAQI
8th Aug 20254010 PMAQI
8th Aug 20254011 PMAQI
9th Aug 20254212 AMAQI
9th Aug 2025481 AMAQI
9th Aug 2025512 AMAQI
9th Aug 2025513 AMAQI

29°C26/31°C

9th Aug 2025514 AMAQI
9th Aug 2025505 AMAQI
9th Aug 2025516 AMAQI
9th Aug 2025517 AMAQI
9th Aug 2025518 AMAQI
9th Aug 2025299 AMAQI
9th Aug 20252610 AMAQI
9th Aug 20252611 AMAQI
9th Aug 20252612 PMAQI
9th Aug 2025291 PMAQI
9th Aug 2025352 PMAQI
9th Aug 2025353 PMAQI
9th Aug 2025384 PMAQI
9th Aug 2025535 PMAQI
9th Aug 2025546 PMAQI
9th Aug 2025527 PMAQI
9th Aug 2025548 PMAQI
9th Aug 2025529 PMAQI
9th Aug 20255210 PMAQI
9th Aug 20255211 PMAQI
10th Aug 20255112 AMAQI
10th Aug 2025491 AMAQI
10th Aug 2025482 AMAQI
10th Aug 2025493 AMAQI

28°C26/30°C

10th Aug 2025474 AMAQI
10th Aug 2025455 AMAQI
10th Aug 2025446 AMAQI
10th Aug 2025457 AMAQI
10th Aug 2025458 AMAQI
10th Aug 2025359 AMAQI
10th Aug 20252910 AMAQI
10th Aug 20253211 AMAQI
10th Aug 20252712 PMAQI
10th Aug 2025301 PMAQI
10th Aug 2025312 PMAQI
10th Aug 2025283 PMAQI
10th Aug 2025234 PMAQI
10th Aug 2025255 PMAQI
10th Aug 2025296 PMAQI
10th Aug 2025307 PMAQI
10th Aug 2025338 PMAQI
10th Aug 2025429 PMAQI
10th Aug 20254410 PMAQI
10th Aug 20254411 PMAQI
11th Aug 20254412 AMAQI
11th Aug 2025451 AMAQI
11th Aug 2025492 AMAQI
11th Aug 2025483 AMAQI

27°C26/28°C

11th Aug 2025484 AMAQI
11th Aug 2025455 AMAQI
11th Aug 2025456 AMAQI
11th Aug 2025467 AMAQI
11th Aug 2025458 AMAQI
11th Aug 2025379 AMAQI
11th Aug 20253510 AMAQI
11th Aug 20253211 AMAQI
11th Aug 20253212 PMAQI
11th Aug 2025301 PMAQI
11th Aug 2025302 PMAQI
11th Aug 2025323 PMAQI
11th Aug 2025324 PMAQI
11th Aug 2025465 PMAQI
11th Aug 2025416 PMAQI
11th Aug 2025347 PMAQI
11th Aug 2025358 PMAQI
11th Aug 2025349 PMAQI
11th Aug 20253410 PMAQI
11th Aug 20253411 PMAQI
12th Aug 20253612 AMAQI
12th Aug 2025441 AMAQI
12th Aug 2025462 AMAQI
12th Aug 2025443 AMAQI

28°C27/29°C

12th Aug 2025424 AMAQI
12th Aug 2025415 AMAQI
12th Aug 2025406 AMAQI
12th Aug 2025407 AMAQI
12th Aug 2025418 AMAQI
12th Aug 2025269 AMAQI
12th Aug 20253110 AMAQI
12th Aug 20253911 AMAQI
12th Aug 20253312 PMAQI
12th Aug 2025341 PMAQI
12th Aug 2025292 PMAQI
12th Aug 2025253 PMAQI
12th Aug 2025294 PMAQI
12th Aug 2025275 PMAQI
12th Aug 2025316 PMAQI
12th Aug 2025307 PMAQI
12th Aug 2025338 PMAQI
12th Aug 2025369 PMAQI
12th Aug 20253310 PMAQI
12th Aug 20253311 PMAQI
13th Aug 20253412 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 2025386 AMAQI
13th Aug 2025387 AMAQI
13th Aug 2025378 AMAQI
13th Aug 2025269 AMAQI
13th Aug 20252510 AMAQI
13th Aug 20252911 AMAQI
13th Aug 20252812 PMAQI
13th Aug 2025301 PMAQI
13th Aug 2025312 PMAQI
13th Aug 2025383 PMAQI
13th Aug 2025354 PMAQI
13th Aug 2025375 PMAQI
13th Aug 2025296 PMAQI
13th Aug 2025277 PMAQI
13th Aug 2025328 PMAQI
13th Aug 2025329 PMAQI
13th Aug 20253210 PMAQI
13th Aug 20253411 PMAQI
14th Aug 20253212 AMAQI
14th Aug 2025361 AMAQI
14th Aug 2025362 AMAQI
14th Aug 2025383 AMAQI

28°C26/29°C

14th Aug 2025374 AMAQI
14th Aug 2025355 AMAQI
14th Aug 2025356 AMAQI
14th Aug 2025357 AMAQI
14th Aug 2025358 AMAQI
14th Aug 2025339 AMAQI
14th Aug 20253610 AMAQI
14th Aug 20254511 AMAQI
14th Aug 20254012 PMAQI
14th Aug 2025451 PMAQI
14th Aug 2025472 PMAQI
14th Aug 2025523 PMAQI
14th Aug 2025514 PMAQI
14th Aug 2025475 PMAQI
14th Aug 2025436 PMAQI
14th Aug 2025437 PMAQI
14th Aug 2025378 PMAQI
14th Aug 2025359 PMAQI
14th Aug 20253410 PMAQI
14th Aug 20253211 PMAQI
15th Aug 20253312 AMAQI
15th Aug 2025361 AMAQI
15th Aug 2025342 AMAQI
15th Aug 2025343 AMAQI

27°C25/29°C

15th Aug 2025374 AMAQI
15th Aug 2025395 AMAQI
15th Aug 2025386 AMAQI
15th Aug 2025387 AMAQI
15th Aug 2025388 AMAQI
15th Aug 2025299 AMAQI
15th Aug 20253210 AMAQI
15th Aug 20253811 AMAQI
15th Aug 20254812 PMAQI
15th Aug 2025441 PMAQI
15th Aug 2025342 PMAQI
15th Aug 2025323 PMAQI
15th Aug 2025324 PMAQI
15th Aug 2025375 PMAQI
15th Aug 2025396 PMAQI
15th Aug 2025447 PMAQI
15th Aug 2025398 PMAQI
15th Aug 2025359 PMAQI
15th Aug 20253610 PMAQI
15th Aug 20253411 PMAQI
16th Aug 20253412 AMAQI
16th Aug 2025361 AMAQI
16th Aug 2025352 AMAQI
16th Aug 2025353 AMAQI

27°C26/29°C

16th Aug 2025374 AMAQI
16th Aug 2025375 AMAQI
16th Aug 2025386 AMAQI
16th Aug 2025397 AMAQI
16th Aug 2025378 AMAQI
16th Aug 2025329 AMAQI
16th Aug 20253810 AMAQI
16th Aug 20254311 AMAQI
16th Aug 20254412 PMAQI
16th Aug 2025561 PMAQI
16th Aug 2025542 PMAQI
16th Aug 2025483 PMAQI
16th Aug 2025424 PMAQI
16th Aug 2025425 PMAQI
16th Aug 2025376 PMAQI
16th Aug 2025377 PMAQI
16th Aug 2025398 PMAQI
16th Aug 2025379 PMAQI
16th Aug 20253610 PMAQI
16th Aug 20253711 PMAQI
17th Aug 20254012 AMAQI
17th Aug 2025371 AMAQI
17th Aug 2025362 AMAQI
17th Aug 2025363 AMAQI

28°C27/29°C

17th Aug 2025374 AMAQI
17th Aug 2025395 AMAQI
17th Aug 2025376 AMAQI
17th Aug 2025377 AMAQI
17th Aug 2025378 AMAQI
17th Aug 2025369 AMAQI
17th Aug 20253710 AMAQI
17th Aug 20254111 AMAQI
17th Aug 20255112 PMAQI
17th Aug 2025511 PMAQI
17th Aug 2025522 PMAQI
17th Aug 2025463 PMAQI
17th Aug 2025454 PMAQI
17th Aug 2025465 PMAQI
17th Aug 2025396 PMAQI
17th Aug 2025397 PMAQI
17th Aug 2025348 PMAQI
17th Aug 2025359 PMAQI
17th Aug 20253610 PMAQI
17th Aug 20253511 PMAQI
18th Aug 20253412 AMAQI
18th Aug 2025371 AMAQI
18th Aug 2025382 AMAQI
18th Aug 2025383 AMAQI

28°C27/30°C

18th Aug 2025374 AMAQI
18th Aug 2025405 AMAQI
18th Aug 2025416 AMAQI
18th Aug 2025417 AMAQI
18th Aug 2025408 AMAQI
18th Aug 2025379 AMAQI
18th Aug 20254110 AMAQI
18th Aug 20254011 AMAQI
18th Aug 20254612 PMAQI
18th Aug 2025471 PMAQI
18th Aug 2025492 PMAQI
18th Aug 2025543 PMAQI
18th Aug 2025564 PMAQI
18th Aug 2025555 PMAQI
18th Aug 2025516 PMAQI
18th Aug 2025517 PMAQI
18th Aug 2025468 PMAQI
18th Aug 2025449 PMAQI
18th Aug 20254010 PMAQI
18th Aug 20254311 PMAQI
19th Aug 20253912 AMAQI
19th Aug 2025391 AMAQI
19th Aug 2025402 AMAQI
19th Aug 2025383 AMAQI

29°C27/31°C

19th Aug 2025404 AMAQI
19th Aug 2025415 AMAQI
19th Aug 2025406 AMAQI
19th Aug 2025417 AMAQI
19th Aug 2025418 AMAQI
19th Aug 2025509 AMAQI
19th Aug 20255310 AMAQI
19th Aug 20255411 AMAQI
19th Aug 20255112 PMAQI
19th Aug 2025511 PMAQI
19th Aug 2025532 PMAQI
19th Aug 2025503 PMAQI
19th Aug 2025494 PMAQI
19th Aug 2025505 PMAQI
19th Aug 2025536 PMAQI
19th Aug 2025537 PMAQI
19th Aug 2025518 PMAQI
19th Aug 2025449 PMAQI
19th Aug 20254410 PMAQI
19th Aug 20254111 PMAQI
20th Aug 20254212 AMAQI
20th Aug 2025421 AMAQI
20th Aug 2025402 AMAQI
20th Aug 2025403 AMAQI

29°C27/30°C

20th Aug 2025444 AMAQI
20th Aug 2025445 AMAQI
20th Aug 2025446 AMAQI
20th Aug 2025447 AMAQI
20th Aug 2025438 AMAQI
20th Aug 2025459 AMAQI
20th Aug 20255010 AMAQI
20th Aug 20255611 AMAQI
20th Aug 20255812 PMAQI
20th Aug 2025561 PMAQI
20th Aug 2025502 PMAQI
20th Aug 2025563 PMAQI
20th Aug 2025544 PMAQI
20th Aug 2025515 PMAQI
20th Aug 2025556 PMAQI
20th Aug 2025537 PMAQI
20th Aug 2025538 PMAQI
20th Aug 2025449 PMAQI
20th Aug 20254610 PMAQI
20th Aug 20254111 PMAQI
21st Aug 20254312 AMAQI
21st Aug 2025431 AMAQI
21st Aug 2025432 AMAQI
21st Aug 2025423 AMAQI

29°C27/30°C

21st Aug 2025464 AMAQI
4 AM
21st Aug 2025475 AMAQI
21st Aug 2025476 AMAQI
21st Aug 2025467 AMAQI
21st Aug 2025478 AMAQI
21st Aug 2025589 AMAQI
21st Aug 20255510 AMAQI
21st Aug 20255111 AMAQI
11 AM
6 PM
11 PM
3 AM

--°C/°C

Day time
Avg. Highest Time
11 AM - 6 PM

42AQI

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

36AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 6 PM (Avg. 42), while the lowest AQI was between 9 AM to 9 AM (Avg. 36).
Night time
Avg. Highest Time
12 AM - 11 PM

37AQI

9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM

37AQI

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

2025 Days Vs Air Quality

Yokohama, Kanagawa, Japan

2025

94%

216

6%

15

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

Good
216 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

Yokohama, Kanagawa, 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
27AQI
2nd January 2025
32AQI
3rd January 2025
24AQI
4th January 2025
27AQI
5th January 2025
23AQI
6th January 2025
50AQI
7th January 2025
33AQI
8th January 2025
36AQI
9th January 2025
31AQI
10th January 2025
27AQI
11th January 2025
24AQI
12th January 2025
26AQI
13th January 2025
31AQI
14th January 2025
26AQI
15th January 2025
32AQI
16th January 2025
22AQI
17th January 2025
27AQI
18th January 2025
25AQI
19th January 2025
28AQI
20th January 2025
29AQI
21st January 2025
30AQI
22nd January 2025
38AQI
23rd January 2025
38AQI
24th January 2025
36AQI
25th January 2025
37AQI
26th January 2025
36AQI
27th January 2025
31AQI
28th January 2025
31AQI
29th January 2025
30AQI
30th January 2025
28AQI
31st January 2025
26AQI
1st February 2025
23AQI
2nd February 2025
24AQI
3rd February 2025
30AQI
4th February 2025
29AQI
5th February 2025
30AQI
6th February 2025
28AQI
7th February 2025
28AQI
8th February 2025
29AQI
9th February 2025
28AQI
10th February 2025
25AQI
11th February 2025
29AQI
12th February 2025
28AQI
13th February 2025
36AQI
14th February 2025
28AQI
15th February 2025
32AQI
16th February 2025
29AQI
17th February 2025
36AQI
18th February 2025
29AQI
19th February 2025
31AQI
20th February 2025
28AQI
21st February 2025
29AQI
22nd February 2025
30AQI
23rd February 2025
31AQI
24th February 2025
32AQI
25th February 2025
32AQI
26th February 2025
34AQI
27th February 2025
36AQI
28th February 2025
38AQI
1st March 2025
54AQI
2nd March 2025
42AQI
3rd March 2025
39AQI
4th March 2025
30AQI
5th March 2025
29AQI
6th March 2025
29AQI
7th March 2025
32AQI
8th March 2025
29AQI
9th March 2025
33AQI
10th March 2025
31AQI
11th March 2025
30AQI
12th March 2025
33AQI
13th March 2025
31AQI
14th March 2025
26AQI
15th March 2025
23AQI
16th March 2025
18AQI
17th March 2025
17AQI
18th March 2025
16AQI
19th March 2025
15AQI
20th March 2025
17AQI
21st March 2025
23AQI
22nd March 2025
27AQI
23rd March 2025
30AQI
24th March 2025
30AQI
25th March 2025
47AQI
26th March 2025
62AQI
27th March 2025
56AQI
28th March 2025
38AQI
29th March 2025
31AQI
30th March 2025
30AQI
31st March 2025
28AQI
1st April 2025
22AQI
2nd April 2025
21AQI
3rd April 2025
18AQI
4th April 2025
20AQI
5th April 2025
17AQI
6th April 2025
15AQI
7th April 2025
16AQI
8th April 2025
19AQI
9th April 2025
19AQI
10th April 2025
23AQI
11th April 2025
23AQI
12th April 2025
21AQI
13th April 2025
18AQI
14th April 2025
24AQI
15th April 2025
20AQI
16th April 2025
20AQI
17th April 2025
25AQI
18th April 2025
28AQI
19th April 2025
32AQI
20th April 2025
26AQI
21st April 2025
24AQI
22nd April 2025
21AQI
23rd April 2025
16AQI
24th April 2025
20AQI
25th April 2025
19AQI
26th April 2025
21AQI
27th April 2025
21AQI
28th April 2025
20AQI
29th April 2025
16AQI
30th April 2025
20AQI
1st May 2025
19AQI
2nd May 2025
17AQI
3rd May 2025
17AQI
4th May 2025
22AQI
5th May 2025
18AQI
6th May 2025
17AQI
7th May 2025
15AQI
8th May 2025
17AQI
9th May 2025
17AQI
10th May 2025
14AQI
11th May 2025
17AQI
12th May 2025
16AQI
13th May 2025
20AQI
14th May 2025
18AQI
15th May 2025
19AQI
16th May 2025
20AQI
17th May 2025
19AQI
18th May 2025
24AQI
19th May 2025
26AQI
20th May 2025
55AQI
21st May 2025
31AQI
22nd May 2025
31AQI
23rd May 2025
26AQI
24th May 2025
24AQI
25th May 2025
19AQI
26th May 2025
21AQI
27th May 2025
25AQI
28th May 2025
16AQI
29th May 2025
21AQI
30th May 2025
16AQI
31st May 2025
14AQI
1st June 2025
15AQI
2nd June 2025
20AQI
3rd June 2025
22AQI
4th June 2025
19AQI
5th June 2025
25AQI
6th June 2025
26AQI
7th June 2025
38AQI
8th June 2025
34AQI
9th June 2025
27AQI
10th June 2025
24AQI
11th June 2025
22AQI
12th June 2025
26AQI
13th June 2025
24AQI
14th June 2025
21AQI
15th June 2025
26AQI
16th June 2025
25AQI
17th June 2025
31AQI
18th June 2025
29AQI
19th June 2025
30AQI
20th June 2025
28AQI
21st June 2025
22AQI
22nd June 2025
15AQI
23rd June 2025
16AQI
24th June 2025
16AQI
25th June 2025
18AQI
26th June 2025
16AQI
27th June 2025
20AQI
28th June 2025
20AQI
29th June 2025
22AQI
30th June 2025
32AQI
1st July 2025
33AQI
2nd July 2025
40AQI
3rd July 2025
37AQI
4th July 2025
39AQI
5th July 2025
47AQI
6th July 2025
59AQI
7th July 2025
73AQI
8th July 2025
73AQI
9th July 2025
71AQI
10th July 2025
55AQI
11th July 2025
52AQI
12th July 2025
55AQI
13th July 2025
52AQI
14th July 2025
44AQI
15th July 2025
45AQI
16th July 2025
43AQI
17th July 2025
43AQI
18th July 2025
39AQI
19th July 2025
33AQI
20th July 2025
32AQI
21st July 2025
33AQI
22nd July 2025
31AQI
23rd July 2025
32AQI
24th July 2025
33AQI
25th July 2025
29AQI
26th July 2025
28AQI
27th July 2025
26AQI
28th July 2025
27AQI
29th July 2025
32AQI
30th July 2025
30AQI
31st July 2025
30AQI
1st August 2025
34AQI
2nd August 2025
41AQI
3rd August 2025
44AQI
4th August 2025
61AQI
5th August 2025
51AQI
6th August 2025
51AQI
7th August 2025
48AQI
8th August 2025
43AQI
9th August 2025
46AQI
10th August 2025
39AQI
11th August 2025
40AQI
12th August 2025
35AQI
13th August 2025
34AQI
14th August 2025
38AQI
15th August 2025
36AQI
16th August 2025
39AQI
17th August 2025
39AQI
18th August 2025
43AQI
19th August 2025
45AQI

30AQI

30AQI

31AQI

21AQI

21AQI

24AQI

42AQI

42AQI

No. of days

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

202530AQI

31
28
28
3
30
30
1
30
23
8
16
3
216
15

Highest AQI recorded in

August

42AQI

Lowest AQI recorded in

April

21AQI

202434AQI

30
1
28
1
25
6
25
5
30
1
29
1
22
9
31
30
31
30
31
342
24

Highest AQI recorded in

July

41AQI

Lowest AQI recorded in

December

26AQI

202336AQI

29
2
24
4
28
3
25
5
28
3
26
4
30
1
30
1
29
1
31
25
1
30
1
335
26

Highest AQI recorded in

April

44AQI

Lowest AQI recorded in

August

28AQI

202236AQI

28
3
22
25
6
24
6
26
5
26
4
23
2
3
29
31
26
31
294
26

Highest AQI recorded in

March

42AQI

Lowest AQI recorded in

December

30AQI

202132AQI

30
1
25
3
31
30
27
4
27
3
29
2
26
5
30
31
25
3
27
4
338
25

Highest AQI recorded in

May

37AQI

Lowest AQI recorded in

April

24AQI

202033AQI

12
1
20
1
18
24
6
28
3
18
13
19
31
26
3
30
1
226
28

Highest AQI recorded in

August

47AQI

Lowest AQI recorded in

September

23AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2022(Avg.)
36AQI
Least Polluted Year Recorded
2025(Avg.)
30AQI

Yokohama's annual 2025 AQI (30) shows an average percentage change of -12.6% (improved AQI) compared to previous years: 2020 (33), 2021 (32), 2022 (36), 2023 (36), 2024 (34).