Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Isogo, 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

Isogo, Yokohama, Kanagawa, Japan

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
28th Aug 2021
87AQI
Lowest AQI recorded on
2nd Aug 2023
11AQI

Same Day Analysis (19th August ):
On this day, AQI across the 5 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

Isogo, Yokohama, Kanagawa, Japan

AQI
Day
Night
.

4 AM20th Aug 2025

6 PM

3 AM21st Aug 2025

Day time
Avg. Highest Time
12AMNaNth undefined

AQI

Avg. Lowest Time
12AMNaNth undefined

AQI

Night time
Avg. Highest Time
12PM20th Aug

62AQI

Avg. Lowest Time
11PM20th Aug

41AQI

In the last 24 hours,

Isogo's AQI reached its highest point of 62 at 12 PM during the Night, 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

Isogo, 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 2025365 AMAQI
22nd Jul 2025376 AMAQI
22nd Jul 2025377 AMAQI
22nd Jul 2025368 AMAQI
22nd Jul 2025289 AMAQI
22nd Jul 20252910 AMAQI
22nd Jul 20253711 AMAQI
22nd Jul 20253812 PMAQI
22nd Jul 2025361 PMAQI
22nd Jul 2025322 PMAQI
22nd Jul 2025333 PMAQI
22nd Jul 2025294 PMAQI
22nd Jul 2025215 PMAQI
22nd Jul 2025156 PMAQI
22nd Jul 2025137 PMAQI
22nd Jul 2025188 PMAQI
22nd Jul 2025259 PMAQI
22nd Jul 20252410 PMAQI
22nd Jul 20252411 PMAQI
23rd Jul 20252412 AMAQI
23rd Jul 2025301 AMAQI
23rd Jul 2025362 AMAQI
23rd Jul 2025363 AMAQI

28°C27/30°C

23rd Jul 2025364 AMAQI
23rd Jul 2025355 AMAQI
23rd Jul 2025366 AMAQI
23rd Jul 2025367 AMAQI
23rd Jul 2025368 AMAQI
23rd Jul 2025209 AMAQI
23rd Jul 20251510 AMAQI
23rd Jul 20252811 AMAQI
23rd Jul 20254012 PMAQI
23rd Jul 2025351 PMAQI
23rd Jul 2025362 PMAQI
23rd Jul 2025363 PMAQI
23rd Jul 2025324 PMAQI
23rd Jul 2025265 PMAQI
23rd Jul 2025196 PMAQI
23rd Jul 2025207 PMAQI
23rd Jul 2025258 PMAQI
23rd Jul 2025289 PMAQI
23rd Jul 20252810 PMAQI
23rd Jul 20252811 PMAQI
24th Jul 20252712 AMAQI
24th Jul 2025291 AMAQI
24th Jul 2025342 AMAQI
24th Jul 2025343 AMAQI

28°C27/30°C

24th Jul 2025334 AMAQI
24th Jul 2025335 AMAQI
24th Jul 2025336 AMAQI
24th Jul 2025347 AMAQI
24th Jul 2025338 AMAQI
24th Jul 2025419 AMAQI
24th Jul 20255510 AMAQI
24th Jul 20255711 AMAQI
24th Jul 20255612 PMAQI
24th Jul 2025381 PMAQI
24th Jul 2025332 PMAQI
24th Jul 2025253 PMAQI
24th Jul 2025184 PMAQI
24th Jul 2025205 PMAQI
24th Jul 2025216 PMAQI
24th Jul 2025227 PMAQI
24th Jul 2025228 PMAQI
24th Jul 2025269 PMAQI
24th Jul 20252810 PMAQI
24th Jul 20252811 PMAQI
25th Jul 20253012 AMAQI
25th Jul 2025321 AMAQI
25th Jul 2025332 AMAQI
25th Jul 2025323 AMAQI

28°C27/30°C

25th Jul 2025344 AMAQI
25th Jul 2025355 AMAQI
25th Jul 2025366 AMAQI
25th Jul 2025367 AMAQI
25th Jul 2025358 AMAQI
25th Jul 2025309 AMAQI
25th Jul 20252610 AMAQI
25th Jul 20251811 AMAQI
25th Jul 20252212 PMAQI
25th Jul 2025191 PMAQI
25th Jul 2025182 PMAQI
25th Jul 2025193 PMAQI
25th Jul 2025174 PMAQI
25th Jul 2025165 PMAQI
25th Jul 2025176 PMAQI
25th Jul 2025197 PMAQI
25th Jul 2025218 PMAQI
25th Jul 2025249 PMAQI
25th Jul 20252410 PMAQI
25th Jul 20252411 PMAQI
26th Jul 20252312 AMAQI
26th Jul 2025291 AMAQI
26th Jul 2025342 AMAQI
26th Jul 2025333 AMAQI

29°C27/30°C

26th Jul 2025324 AMAQI
26th Jul 2025305 AMAQI
26th Jul 2025316 AMAQI
26th Jul 2025317 AMAQI
26th Jul 2025318 AMAQI
26th Jul 2025219 AMAQI
26th Jul 20251710 AMAQI
26th Jul 20252011 AMAQI
26th Jul 20252212 PMAQI
26th Jul 2025201 PMAQI
26th Jul 2025282 PMAQI
26th Jul 2025283 PMAQI
26th Jul 2025214 PMAQI
26th Jul 2025225 PMAQI
26th Jul 2025206 PMAQI
26th Jul 2025207 PMAQI
26th Jul 2025238 PMAQI
26th Jul 2025249 PMAQI
26th Jul 20252410 PMAQI
26th Jul 20252411 PMAQI
27th Jul 20252312 AMAQI
27th Jul 2025271 AMAQI
27th Jul 2025302 AMAQI
27th Jul 2025303 AMAQI

29°C27/30°C

27th Jul 2025304 AMAQI
27th Jul 2025295 AMAQI
27th Jul 2025296 AMAQI
27th Jul 2025287 AMAQI
27th Jul 2025288 AMAQI
27th Jul 2025229 AMAQI
27th Jul 20251610 AMAQI
27th Jul 20251711 AMAQI
27th Jul 20251812 PMAQI
27th Jul 2025181 PMAQI
27th Jul 2025202 PMAQI
27th Jul 2025203 PMAQI
27th Jul 2025204 PMAQI
27th Jul 2025175 PMAQI
27th Jul 2025146 PMAQI
27th Jul 2025167 PMAQI
27th Jul 2025178 PMAQI
27th Jul 2025229 PMAQI
27th Jul 20252210 PMAQI
27th Jul 20252311 PMAQI
28th Jul 20252412 AMAQI
28th Jul 2025261 AMAQI
28th Jul 2025282 AMAQI
28th Jul 2025283 AMAQI

28°C27/30°C

28th Jul 2025284 AMAQI
28th Jul 2025265 AMAQI
28th Jul 2025276 AMAQI
28th Jul 2025267 AMAQI
28th Jul 2025268 AMAQI
28th Jul 2025259 AMAQI
28th Jul 20253210 AMAQI
28th Jul 20253311 AMAQI
28th Jul 20254412 PMAQI
28th Jul 2025491 PMAQI
28th Jul 2025412 PMAQI
28th Jul 2025193 PMAQI
28th Jul 2025194 PMAQI
28th Jul 2025165 PMAQI
28th Jul 2025156 PMAQI
28th Jul 2025167 PMAQI
28th Jul 2025178 PMAQI
28th Jul 2025199 PMAQI
28th Jul 20252010 PMAQI
28th Jul 20252011 PMAQI
29th Jul 20252112 AMAQI
29th Jul 2025241 AMAQI
29th Jul 2025282 AMAQI
29th Jul 2025283 AMAQI

28°C27/30°C

29th Jul 2025284 AMAQI
29th Jul 2025285 AMAQI
29th Jul 2025286 AMAQI
29th Jul 2025287 AMAQI
29th Jul 2025288 AMAQI
29th Jul 2025239 AMAQI
29th Jul 20253210 AMAQI
29th Jul 20253611 AMAQI
29th Jul 20253312 PMAQI
29th Jul 2025441 PMAQI
29th Jul 2025552 PMAQI
29th Jul 2025563 PMAQI
29th Jul 2025464 PMAQI
29th Jul 2025285 PMAQI
29th Jul 2025236 PMAQI
29th Jul 2025257 PMAQI
29th Jul 2025258 PMAQI
29th Jul 2025279 PMAQI
29th Jul 20252410 PMAQI
29th Jul 20252411 PMAQI
30th Jul 20252512 AMAQI
30th Jul 2025261 AMAQI
30th Jul 2025272 AMAQI
30th Jul 2025273 AMAQI

29°C26/32°C

30th Jul 2025284 AMAQI
30th Jul 2025295 AMAQI
30th Jul 2025296 AMAQI
30th Jul 2025297 AMAQI
30th Jul 2025298 AMAQI
30th Jul 2025219 AMAQI
30th Jul 20252410 AMAQI
30th Jul 20253011 AMAQI
30th Jul 20252812 PMAQI
30th Jul 2025271 PMAQI
30th Jul 2025282 PMAQI
30th Jul 2025253 PMAQI
30th Jul 2025224 PMAQI
30th Jul 2025195 PMAQI
30th Jul 2025206 PMAQI
30th Jul 2025327 PMAQI
30th Jul 2025388 PMAQI
30th Jul 2025289 PMAQI
30th Jul 20253010 PMAQI
30th Jul 20253211 PMAQI
31st Jul 20253112 AMAQI
31st Jul 2025281 AMAQI
31st Jul 2025282 AMAQI
31st Jul 2025273 AMAQI

29°C26/33°C

31st Jul 2025274 AMAQI
31st Jul 2025275 AMAQI
31st Jul 2025276 AMAQI
31st Jul 2025277 AMAQI
31st Jul 2025278 AMAQI
31st Jul 2025279 AMAQI
31st Jul 20252710 AMAQI
31st Jul 20253811 AMAQI
31st Jul 20253812 PMAQI
31st Jul 2025351 PMAQI
31st Jul 2025392 PMAQI
31st Jul 2025353 PMAQI
31st Jul 2025284 PMAQI
31st Jul 2025245 PMAQI
31st Jul 2025216 PMAQI
31st Jul 2025197 PMAQI
31st Jul 2025258 PMAQI
31st Jul 2025289 PMAQI
31st Jul 20252910 PMAQI
31st Jul 20252611 PMAQI
1st Aug 20252812 AMAQI
1st Aug 2025321 AMAQI
1st Aug 2025342 AMAQI
1st Aug 2025353 AMAQI

28°C26/31°C

1st Aug 2025344 AMAQI
1st Aug 2025345 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025367 AMAQI
1st Aug 2025378 AMAQI
1st Aug 2025429 AMAQI
1st Aug 20252610 AMAQI
1st Aug 20254811 AMAQI
1st Aug 20254612 PMAQI
1st Aug 2025411 PMAQI
1st Aug 2025352 PMAQI
1st Aug 2025353 PMAQI
1st Aug 2025424 PMAQI
1st Aug 2025305 PMAQI
1st Aug 2025416 PMAQI
1st Aug 2025237 PMAQI
1st Aug 2025298 PMAQI
1st Aug 2025289 PMAQI
1st Aug 20253010 PMAQI
1st Aug 20252911 PMAQI
2nd Aug 20252812 AMAQI
2nd Aug 2025301 AMAQI
2nd Aug 2025362 AMAQI
2nd Aug 2025363 AMAQI

28°C26/30°C

2nd Aug 2025374 AMAQI
2nd Aug 2025375 AMAQI
2nd Aug 2025386 AMAQI
2nd Aug 2025367 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025379 AMAQI
2nd Aug 20253610 AMAQI
2nd Aug 20254611 AMAQI
2nd Aug 20253612 PMAQI
2nd Aug 2025501 PMAQI
2nd Aug 2025562 PMAQI
2nd Aug 2025573 PMAQI
2nd Aug 2025544 PMAQI
2nd Aug 2025545 PMAQI
2nd Aug 2025546 PMAQI
2nd Aug 2025527 PMAQI
2nd Aug 2025398 PMAQI
2nd Aug 2025389 PMAQI
2nd Aug 20253610 PMAQI
2nd Aug 20253811 PMAQI
3rd Aug 20253212 AMAQI
3rd Aug 2025351 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025373 AMAQI

29°C27/31°C

3rd Aug 2025404 AMAQI
3rd Aug 2025395 AMAQI
3rd Aug 2025386 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025388 AMAQI
3rd Aug 2025499 AMAQI
3rd Aug 20255210 AMAQI
3rd Aug 20255511 AMAQI
3rd Aug 20256212 PMAQI
3rd Aug 2025561 PMAQI
3rd Aug 2025572 PMAQI
3rd Aug 2025523 PMAQI
3rd Aug 2025474 PMAQI
3rd Aug 2025525 PMAQI
3rd Aug 2025546 PMAQI
3rd Aug 2025487 PMAQI
3rd Aug 2025468 PMAQI
3rd Aug 2025429 PMAQI
3rd Aug 20254610 PMAQI
3rd Aug 20254011 PMAQI
4th Aug 20253812 AMAQI
4th Aug 2025381 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025403 AMAQI

29°C27/33°C

4th Aug 2025434 AMAQI
4th Aug 2025435 AMAQI
4th Aug 2025436 AMAQI
4th Aug 2025447 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025629 AMAQI
4th Aug 20257210 AMAQI
4th Aug 20258211 AMAQI
4th Aug 20258412 PMAQI
4th Aug 2025921 PMAQI
4th Aug 20251022 PMAQI
4th Aug 2025923 PMAQI
4th Aug 2025964 PMAQI
4th Aug 20251025 PMAQI
4th Aug 20251026 PMAQI
4th Aug 2025807 PMAQI
4th Aug 2025728 PMAQI
4th Aug 2025599 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20254611 PMAQI
5th Aug 20256212 AMAQI
5th Aug 2025441 AMAQI
5th Aug 2025422 AMAQI
5th Aug 2025413 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 2025599 AMAQI
5th Aug 20256610 AMAQI
5th Aug 20256211 AMAQI
5th Aug 20255412 PMAQI
5th Aug 2025571 PMAQI
5th Aug 2025562 PMAQI
5th Aug 2025553 PMAQI
5th Aug 2025574 PMAQI
5th Aug 2025515 PMAQI
5th Aug 2025466 PMAQI
5th Aug 2025477 PMAQI
5th Aug 2025498 PMAQI
5th Aug 2025509 PMAQI
5th Aug 20254810 PMAQI
5th Aug 20254811 PMAQI
6th Aug 20254812 AMAQI
6th Aug 2025471 AMAQI
6th Aug 2025502 AMAQI
6th Aug 2025503 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 2025469 AMAQI
6th Aug 20254110 AMAQI
6th Aug 20254011 AMAQI
6th Aug 20255412 PMAQI
6th Aug 2025501 PMAQI
6th Aug 2025542 PMAQI
6th Aug 2025523 PMAQI
6th Aug 2025524 PMAQI
6th Aug 2025575 PMAQI
6th Aug 2025556 PMAQI
6th Aug 2025577 PMAQI
6th Aug 2025558 PMAQI
6th Aug 2025509 PMAQI
6th Aug 20255210 PMAQI
6th Aug 20254911 PMAQI
7th Aug 20254612 AMAQI
7th Aug 2025481 AMAQI
7th Aug 2025522 AMAQI
7th Aug 2025523 AMAQI

30°C29/32°C

7th Aug 2025514 AMAQI
7th Aug 2025515 AMAQI
7th Aug 2025516 AMAQI
7th Aug 2025457 AMAQI
7th Aug 2025518 AMAQI
7th Aug 2025529 AMAQI
7th Aug 20254810 AMAQI
7th Aug 20255011 AMAQI
7th Aug 20253712 PMAQI
7th Aug 2025351 PMAQI
7th Aug 2025382 PMAQI
7th Aug 2025443 PMAQI
7th Aug 2025584 PMAQI
7th Aug 2025535 PMAQI
7th Aug 2025496 PMAQI
7th Aug 2025527 PMAQI
7th Aug 2025528 PMAQI
7th Aug 2025529 PMAQI
7th Aug 20255210 PMAQI
7th Aug 20255211 PMAQI
8th Aug 20255212 AMAQI
8th Aug 2025501 AMAQI
8th Aug 2025502 AMAQI
8th Aug 2025503 AMAQI

31°C29/33°C

8th Aug 2025494 AMAQI
8th Aug 2025485 AMAQI
8th Aug 2025496 AMAQI
8th Aug 2025497 AMAQI
8th Aug 2025498 AMAQI
8th Aug 2025479 AMAQI
8th Aug 20255110 AMAQI
8th Aug 20254411 AMAQI
8th Aug 20254712 PMAQI
8th Aug 2025531 PMAQI
8th Aug 2025582 PMAQI
8th Aug 2025463 PMAQI
8th Aug 2025264 PMAQI
8th Aug 2025235 PMAQI
8th Aug 2025226 PMAQI
8th Aug 2025247 PMAQI
8th Aug 2025318 PMAQI
8th Aug 2025389 PMAQI
8th Aug 20253810 PMAQI
8th Aug 20253611 PMAQI
9th Aug 20254012 AMAQI
9th Aug 2025491 AMAQI
9th Aug 2025502 AMAQI
9th Aug 2025513 AMAQI

29°C26/31°C

9th Aug 2025514 AMAQI
9th Aug 2025515 AMAQI
9th Aug 2025526 AMAQI
9th Aug 2025517 AMAQI
9th Aug 2025518 AMAQI
9th Aug 2025299 AMAQI
9th Aug 20252310 AMAQI
9th Aug 20252611 AMAQI
9th Aug 20252612 PMAQI
9th Aug 2025311 PMAQI
9th Aug 2025362 PMAQI
9th Aug 2025363 PMAQI
9th Aug 2025404 PMAQI
9th Aug 2025565 PMAQI
9th Aug 2025576 PMAQI
9th Aug 2025557 PMAQI
9th Aug 2025548 PMAQI
9th Aug 2025539 PMAQI
9th Aug 20255210 PMAQI
9th Aug 20255311 PMAQI
10th Aug 20255012 AMAQI
10th Aug 2025481 AMAQI
10th Aug 2025492 AMAQI
10th Aug 2025493 AMAQI

28°C26/30°C

10th Aug 2025484 AMAQI
10th Aug 2025465 AMAQI
10th Aug 2025456 AMAQI
10th Aug 2025457 AMAQI
10th Aug 2025458 AMAQI
10th Aug 2025379 AMAQI
10th Aug 20252810 AMAQI
10th Aug 20253011 AMAQI
10th Aug 20252812 PMAQI
10th Aug 2025301 PMAQI
10th Aug 2025272 PMAQI
10th Aug 2025213 PMAQI
10th Aug 2025194 PMAQI
10th Aug 2025215 PMAQI
10th Aug 2025276 PMAQI
10th Aug 2025307 PMAQI
10th Aug 2025328 PMAQI
10th Aug 2025409 PMAQI
10th Aug 20254310 PMAQI
10th Aug 20254211 PMAQI
11th Aug 20254212 AMAQI
11th Aug 2025441 AMAQI
11th Aug 2025482 AMAQI
11th Aug 2025483 AMAQI

27°C26/28°C

11th Aug 2025464 AMAQI
11th Aug 2025445 AMAQI
11th Aug 2025446 AMAQI
11th Aug 2025457 AMAQI
11th Aug 2025448 AMAQI
11th Aug 2025419 AMAQI
11th Aug 20254410 AMAQI
11th Aug 20253311 AMAQI
11th Aug 20253012 PMAQI
11th Aug 2025281 PMAQI
11th Aug 2025272 PMAQI
11th Aug 2025313 PMAQI
11th Aug 2025344 PMAQI
11th Aug 2025475 PMAQI
11th Aug 2025416 PMAQI
11th Aug 2025327 PMAQI
11th Aug 2025338 PMAQI
11th Aug 2025339 PMAQI
11th Aug 20253410 PMAQI
11th Aug 20253311 PMAQI
12th Aug 20253612 AMAQI
12th Aug 2025441 AMAQI
12th Aug 2025462 AMAQI
12th Aug 2025463 AMAQI

28°C27/29°C

12th Aug 2025424 AMAQI
12th Aug 2025415 AMAQI
12th Aug 2025416 AMAQI
12th Aug 2025407 AMAQI
12th Aug 2025418 AMAQI
12th Aug 2025239 AMAQI
12th Aug 20253210 AMAQI
12th Aug 20254111 AMAQI
12th Aug 20253412 PMAQI
12th Aug 2025331 PMAQI
12th Aug 2025252 PMAQI
12th Aug 2025223 PMAQI
12th Aug 2025264 PMAQI
12th Aug 2025265 PMAQI
12th Aug 2025306 PMAQI
12th Aug 2025317 PMAQI
12th Aug 2025348 PMAQI
12th Aug 2025369 PMAQI
12th Aug 20253210 PMAQI
12th Aug 20253411 PMAQI
13th Aug 20253612 AMAQI
13th Aug 2025391 AMAQI
13th Aug 2025412 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 2025239 AMAQI
13th Aug 20252510 AMAQI
13th Aug 20252811 AMAQI
13th Aug 20252412 PMAQI
13th Aug 2025281 PMAQI
13th Aug 2025242 PMAQI
13th Aug 2025343 PMAQI
13th Aug 2025324 PMAQI
13th Aug 2025355 PMAQI
13th Aug 2025266 PMAQI
13th Aug 2025257 PMAQI
13th Aug 2025318 PMAQI
13th Aug 2025319 PMAQI
13th Aug 20253210 PMAQI
13th Aug 20253411 PMAQI
14th Aug 20253212 AMAQI
14th Aug 2025371 AMAQI
14th Aug 2025382 AMAQI
14th Aug 2025383 AMAQI

28°C26/29°C

14th Aug 2025374 AMAQI
14th Aug 2025365 AMAQI
14th Aug 2025366 AMAQI
14th Aug 2025347 AMAQI
14th Aug 2025368 AMAQI
14th Aug 2025309 AMAQI
14th Aug 20253310 AMAQI
14th Aug 20254011 AMAQI
14th Aug 20252912 PMAQI
14th Aug 2025411 PMAQI
14th Aug 2025412 PMAQI
14th Aug 2025483 PMAQI
14th Aug 2025414 PMAQI
14th Aug 2025415 PMAQI
14th Aug 2025356 PMAQI
14th Aug 2025417 PMAQI
14th Aug 2025338 PMAQI
14th Aug 2025359 PMAQI
14th Aug 20253410 PMAQI
14th Aug 20253211 PMAQI
15th Aug 20253212 AMAQI
15th Aug 2025361 AMAQI
15th Aug 2025342 AMAQI
15th Aug 2025363 AMAQI

27°C25/29°C

15th Aug 2025374 AMAQI
15th Aug 2025385 AMAQI
15th Aug 2025386 AMAQI
15th Aug 2025387 AMAQI
15th Aug 2025388 AMAQI
15th Aug 2025299 AMAQI
15th Aug 20253210 AMAQI
15th Aug 20253611 AMAQI
15th Aug 20254512 PMAQI
15th Aug 2025431 PMAQI
15th Aug 2025342 PMAQI
15th Aug 2025313 PMAQI
15th Aug 2025294 PMAQI
15th Aug 2025345 PMAQI
15th Aug 2025376 PMAQI
15th Aug 2025467 PMAQI
15th Aug 2025408 PMAQI
15th Aug 2025359 PMAQI
15th Aug 20253410 PMAQI
15th Aug 20253411 PMAQI
16th Aug 20253512 AMAQI
16th Aug 2025351 AMAQI
16th Aug 2025352 AMAQI
16th Aug 2025343 AMAQI

27°C26/29°C

16th Aug 2025374 AMAQI
16th Aug 2025375 AMAQI
16th Aug 2025386 AMAQI
16th Aug 2025397 AMAQI
16th Aug 2025388 AMAQI
16th Aug 2025329 AMAQI
16th Aug 20253810 AMAQI
16th Aug 20254011 AMAQI
16th Aug 20254212 PMAQI
16th Aug 2025581 PMAQI
16th Aug 2025562 PMAQI
16th Aug 2025463 PMAQI
16th Aug 2025384 PMAQI
16th Aug 2025415 PMAQI
16th Aug 2025346 PMAQI
16th Aug 2025347 PMAQI
16th Aug 2025388 PMAQI
16th Aug 2025369 PMAQI
16th Aug 20253610 PMAQI
16th Aug 20253711 PMAQI
17th Aug 20253812 AMAQI
17th Aug 2025361 AMAQI
17th Aug 2025362 AMAQI
17th Aug 2025363 AMAQI

28°C27/29°C

17th Aug 2025374 AMAQI
17th Aug 2025405 AMAQI
17th Aug 2025376 AMAQI
17th Aug 2025387 AMAQI
17th Aug 2025368 AMAQI
17th Aug 2025359 AMAQI
17th Aug 20253510 AMAQI
17th Aug 20253811 AMAQI
17th Aug 20255212 PMAQI
17th Aug 2025511 PMAQI
17th Aug 2025512 PMAQI
17th Aug 2025463 PMAQI
17th Aug 2025454 PMAQI
17th Aug 2025465 PMAQI
17th Aug 2025406 PMAQI
17th Aug 2025437 PMAQI
17th Aug 2025378 PMAQI
17th Aug 2025369 PMAQI
17th Aug 20253610 PMAQI
17th Aug 20253611 PMAQI
18th Aug 20253612 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 2025407 AMAQI
18th Aug 2025398 AMAQI
18th Aug 2025379 AMAQI
18th Aug 20254110 AMAQI
18th Aug 20254011 AMAQI
18th Aug 20254712 PMAQI
18th Aug 2025521 PMAQI
18th Aug 2025502 PMAQI
18th Aug 2025533 PMAQI
18th Aug 2025554 PMAQI
18th Aug 2025545 PMAQI
18th Aug 2025486 PMAQI
18th Aug 2025507 PMAQI
18th Aug 2025468 PMAQI
18th Aug 2025429 PMAQI
18th Aug 20253810 PMAQI
18th Aug 20254111 PMAQI
19th Aug 20253912 AMAQI
19th Aug 2025381 AMAQI
19th Aug 2025402 AMAQI
19th Aug 2025383 AMAQI

29°C27/31°C

19th Aug 2025394 AMAQI
19th Aug 2025405 AMAQI
19th Aug 2025406 AMAQI
19th Aug 2025407 AMAQI
19th Aug 2025418 AMAQI
19th Aug 2025549 AMAQI
19th Aug 20255410 AMAQI
19th Aug 20255411 AMAQI
19th Aug 20255412 PMAQI
19th Aug 2025521 PMAQI
19th Aug 2025532 PMAQI
19th Aug 2025503 PMAQI
19th Aug 2025524 PMAQI
19th Aug 2025525 PMAQI
19th Aug 2025556 PMAQI
19th Aug 2025547 PMAQI
19th Aug 2025508 PMAQI
19th Aug 2025439 PMAQI
19th Aug 20254310 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 2025429 AMAQI
20th Aug 20255010 AMAQI
20th Aug 20255611 AMAQI
20th Aug 20256212 PMAQI
20th Aug 2025551 PMAQI
20th Aug 2025522 PMAQI
20th Aug 2025583 PMAQI
20th Aug 2025564 PMAQI
20th Aug 2025525 PMAQI
20th Aug 2025546 PMAQI
20th Aug 2025547 PMAQI
20th Aug 2025528 PMAQI
20th Aug 2025429 PMAQI
20th Aug 20254410 PMAQI
20th Aug 20254111 PMAQI
21st Aug 20254212 AMAQI
21st Aug 2025431 AMAQI
21st Aug 2025422 AMAQI
21st Aug 2025423 AMAQI

--°C/°C

21st Aug 2025464 AMAQI
4 AM
21st Aug 2025475 AMAQI
21st Aug 2025476 AMAQI
11 AM
6 PM
11 PM
3 AM

--°C/°C

Day time
Avg. Highest Time
11 AM - 5 PM

40AQI

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

35AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 5 PM (Avg. 40), while the lowest AQI was between 9 AM to 9 AM (Avg. 35).
Night time
Avg. Highest Time
2 AM - 3 AM

39AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
12 AM

35AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 3 AM (Avg. 39), while the lowest AQI was between 12 AM to 12 AM (Avg. 35).

2025 Days Vs Air Quality

Isogo, Yokohama, Kanagawa, Japan

2025

94%

218

6%

13

Total number of days with different AQI categories in last 232 days in 2025 (133 days remaining)

Good
218 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 232 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

Isogo, 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
30AQI
3rd January 2025
24AQI
4th January 2025
26AQI
5th January 2025
22AQI
6th January 2025
50AQI
7th January 2025
33AQI
8th January 2025
36AQI
9th January 2025
31AQI
10th January 2025
27AQI
11th January 2025
22AQI
12th January 2025
25AQI
13th January 2025
30AQI
14th January 2025
25AQI
15th January 2025
31AQI
16th January 2025
21AQI
17th January 2025
26AQI
18th January 2025
25AQI
19th January 2025
27AQI
20th January 2025
27AQI
21st January 2025
30AQI
22nd January 2025
34AQI
23rd January 2025
37AQI
24th January 2025
34AQI
25th January 2025
33AQI
26th January 2025
33AQI
27th January 2025
26AQI
28th January 2025
30AQI
29th January 2025
29AQI
30th January 2025
27AQI
31st January 2025
26AQI
1st February 2025
22AQI
2nd February 2025
25AQI
3rd February 2025
28AQI
4th February 2025
28AQI
5th February 2025
29AQI
6th February 2025
28AQI
7th February 2025
28AQI
8th February 2025
28AQI
9th February 2025
28AQI
10th February 2025
25AQI
11th February 2025
29AQI
12th February 2025
28AQI
13th February 2025
31AQI
14th February 2025
26AQI
15th February 2025
29AQI
16th February 2025
28AQI
17th February 2025
34AQI
18th February 2025
28AQI
19th February 2025
29AQI
20th February 2025
27AQI
21st February 2025
29AQI
22nd February 2025
29AQI
23rd February 2025
31AQI
24th February 2025
32AQI
25th February 2025
32AQI
26th February 2025
34AQI
27th February 2025
35AQI
28th February 2025
38AQI
1st March 2025
54AQI
2nd March 2025
42AQI
3rd March 2025
38AQI
4th March 2025
29AQI
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
29AQI
12th March 2025
33AQI
13th March 2025
32AQI
14th March 2025
24AQI
15th March 2025
22AQI
16th March 2025
18AQI
17th March 2025
17AQI
18th March 2025
17AQI
19th March 2025
15AQI
20th March 2025
17AQI
21st March 2025
23AQI
22nd March 2025
25AQI
23rd March 2025
28AQI
24th March 2025
30AQI
25th March 2025
44AQI
26th March 2025
63AQI
27th March 2025
55AQI
28th March 2025
38AQI
29th March 2025
31AQI
30th March 2025
30AQI
31st March 2025
26AQI
1st April 2025
23AQI
2nd April 2025
21AQI
3rd April 2025
18AQI
4th April 2025
19AQI
5th April 2025
17AQI
6th April 2025
16AQI
7th April 2025
16AQI
8th April 2025
19AQI
9th April 2025
19AQI
10th April 2025
22AQI
11th April 2025
23AQI
12th April 2025
21AQI
13th April 2025
18AQI
14th April 2025
23AQI
15th April 2025
20AQI
16th April 2025
20AQI
17th April 2025
24AQI
18th April 2025
29AQI
19th April 2025
33AQI
20th April 2025
25AQI
21st April 2025
25AQI
22nd April 2025
21AQI
23rd April 2025
17AQI
24th April 2025
21AQI
25th April 2025
19AQI
26th April 2025
22AQI
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
25AQI
5th May 2025
19AQI
6th May 2025
19AQI
7th May 2025
16AQI
8th May 2025
17AQI
9th May 2025
18AQI
10th May 2025
15AQI
11th May 2025
17AQI
12th May 2025
16AQI
13th May 2025
22AQI
14th May 2025
20AQI
15th May 2025
21AQI
16th May 2025
21AQI
17th May 2025
19AQI
18th May 2025
25AQI
19th May 2025
30AQI
20th May 2025
58AQI
21st May 2025
33AQI
22nd May 2025
32AQI
23rd May 2025
27AQI
24th May 2025
26AQI
25th May 2025
21AQI
26th May 2025
22AQI
27th May 2025
23AQI
28th May 2025
17AQI
29th May 2025
20AQI
30th May 2025
16AQI
31st May 2025
14AQI
1st June 2025
14AQI
2nd June 2025
20AQI
3rd June 2025
23AQI
4th June 2025
18AQI
5th June 2025
23AQI
6th June 2025
26AQI
7th June 2025
38AQI
8th June 2025
33AQI
9th June 2025
29AQI
10th June 2025
25AQI
11th June 2025
24AQI
12th June 2025
27AQI
13th June 2025
25AQI
14th June 2025
21AQI
15th June 2025
26AQI
16th June 2025
25AQI
17th June 2025
34AQI
18th June 2025
30AQI
19th June 2025
27AQI
20th June 2025
25AQI
21st June 2025
19AQI
22nd June 2025
11AQI
23rd June 2025
14AQI
24th June 2025
16AQI
25th June 2025
20AQI
26th June 2025
16AQI
27th June 2025
21AQI
28th June 2025
21AQI
29th June 2025
23AQI
30th June 2025
33AQI
1st July 2025
33AQI
2nd July 2025
39AQI
3rd July 2025
33AQI
4th July 2025
39AQI
5th July 2025
51AQI
6th July 2025
64AQI
7th July 2025
79AQI
8th July 2025
76AQI
9th July 2025
70AQI
10th July 2025
50AQI
11th July 2025
49AQI
12th July 2025
54AQI
13th July 2025
50AQI
14th July 2025
41AQI
15th July 2025
41AQI
16th July 2025
40AQI
17th July 2025
42AQI
18th July 2025
35AQI
19th July 2025
31AQI
20th July 2025
30AQI
21st July 2025
30AQI
22nd July 2025
30AQI
23rd July 2025
30AQI
24th July 2025
32AQI
25th July 2025
26AQI
26th July 2025
25AQI
27th July 2025
22AQI
28th July 2025
25AQI
29th July 2025
30AQI
30th July 2025
27AQI
31st July 2025
28AQI
1st August 2025
34AQI
2nd August 2025
41AQI
3rd August 2025
45AQI
4th August 2025
64AQI
5th August 2025
52AQI
6th August 2025
51AQI
7th August 2025
49AQI
8th August 2025
42AQI
9th August 2025
46AQI
10th August 2025
37AQI
11th August 2025
39AQI
12th August 2025
35AQI
13th August 2025
33AQI
14th August 2025
36AQI
15th August 2025
36AQI
16th August 2025
38AQI
17th August 2025
40AQI
18th August 2025
43AQI
19th August 2025
44AQI

29AQI

29AQI

31AQI

21AQI

22AQI

24AQI

40AQI

42AQI

No. of days

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

202529AQI

31
28
28
3
30
30
1
30
25
6
16
3
218
13

Highest AQI recorded in

August

42AQI

Lowest AQI recorded in

April

21AQI

202433AQI

31
29
30
1
27
3
28
3
28
2
23
8
31
30
30
1
29
1
31
347
19

Highest AQI recorded in

May

40AQI

Lowest AQI recorded in

December

26AQI

202329AQI

31
24
4
31
30
31
30
31
31
29
1
31
26
31
356
5

Highest AQI recorded in

April

36AQI

Lowest AQI recorded in

August

21AQI

202235AQI

29
2
21
28
3
29
1
26
5
19
11
20
3
1
1
26
3
30
1
26
31
286
30

Highest AQI recorded in

June

47AQI

Lowest AQI recorded in

December

26AQI

202130AQI

31
27
1
30
1
30
30
1
27
3
21
10
22
9
25
5
28
3
22
6
25
6
318
45

Highest AQI recorded in

July

43AQI

Lowest AQI recorded in

January

12AQI

202028AQI

12
1
20
1
18
20
10
27
4
17
13
1
19
31
28
1
31
223
30
1

Highest AQI recorded in

August

50AQI

Lowest AQI recorded in

September

12AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2022(Avg.)
35AQI
Least Polluted Year Recorded
2020(Avg.)
28AQI

Isogo's annual 2025 AQI (29) shows an average percentage change of -4.3% (improved AQI) compared to previous years: 2020 (28), 2021 (30), 2022 (35), 2023 (29), 2024 (33).