Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Chigasaki, Chigasaki, 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

Chigasaki, Chigasaki, Kanagawa, Japan

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
28th Aug 2021
80AQI
Lowest AQI recorded on
16th Aug 2024
11AQI

Same Day Analysis (21st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 50 of Good air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 21st Aug - 22nd Aug 2025

Chigasaki, Chigasaki, Kanagawa, Japan

AQI
Day
Night
.

4 AM21st Aug 2025

6 PM

3 AM22nd Aug 2025

Day time
Avg. Highest Time
1PM21st Aug

65AQI

Avg. Lowest Time
8AM21st Aug

48AQI

Night time
Avg. Highest Time
8PM21st Aug

54AQI

Avg. Lowest Time
3AM22nd Aug

46AQI

In the last 24 hours,

Chigasaki's AQI reached its highest point of 65 at 1 PM during the Day, while the lowest point, 46, was recorded at 3 AM during the Night between 21st Aug and 22nd Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Chigasaki, Chigasaki, Kanagawa, Japan

JulAug
23rd - 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 - 22nd22nd
Day
Night
23rd Jul 2025374 AMAQI
23rd Jul 2025385 AMAQI
23rd Jul 2025376 AMAQI
23rd Jul 2025367 AMAQI
23rd Jul 2025368 AMAQI
23rd Jul 2025209 AMAQI
23rd Jul 20251710 AMAQI
23rd Jul 20252511 AMAQI
23rd Jul 20253812 PMAQI
23rd Jul 2025291 PMAQI
23rd Jul 2025262 PMAQI
23rd Jul 2025283 PMAQI
23rd Jul 2025264 PMAQI
23rd Jul 2025245 PMAQI
23rd Jul 2025256 PMAQI
23rd Jul 2025277 PMAQI
23rd Jul 2025298 PMAQI
23rd Jul 2025299 PMAQI
23rd Jul 20253010 PMAQI
23rd Jul 20253011 PMAQI
24th Jul 20253012 AMAQI
24th Jul 2025311 AMAQI
24th Jul 2025352 AMAQI
24th Jul 2025343 AMAQI

28°C26/30°C

24th Jul 2025344 AMAQI
24th Jul 2025335 AMAQI
24th Jul 2025336 AMAQI
24th Jul 2025347 AMAQI
24th Jul 2025338 AMAQI
24th Jul 2025489 AMAQI
24th Jul 20255210 AMAQI
24th Jul 20254511 AMAQI
24th Jul 20254312 PMAQI
24th Jul 2025341 PMAQI
24th Jul 2025302 PMAQI
24th Jul 2025263 PMAQI
24th Jul 2025244 PMAQI
24th Jul 2025255 PMAQI
24th Jul 2025246 PMAQI
24th Jul 2025237 PMAQI
24th Jul 2025258 PMAQI
24th Jul 2025309 PMAQI
24th Jul 20253010 PMAQI
24th Jul 20253011 PMAQI
25th Jul 20253012 AMAQI
25th Jul 2025301 AMAQI
25th Jul 2025342 AMAQI
25th Jul 2025343 AMAQI

28°C26/30°C

25th Jul 2025344 AMAQI
25th Jul 2025345 AMAQI
25th Jul 2025356 AMAQI
25th Jul 2025347 AMAQI
25th Jul 2025348 AMAQI
25th Jul 2025369 AMAQI
25th Jul 20252810 AMAQI
25th Jul 20251811 AMAQI
25th Jul 20252612 PMAQI
25th Jul 2025261 PMAQI
25th Jul 2025242 PMAQI
25th Jul 2025233 PMAQI
25th Jul 2025234 PMAQI
25th Jul 2025245 PMAQI
25th Jul 2025246 PMAQI
25th Jul 2025247 PMAQI
25th Jul 2025298 PMAQI
25th Jul 2025309 PMAQI
25th Jul 20253210 PMAQI
25th Jul 20253111 PMAQI
26th Jul 20253012 AMAQI
26th Jul 2025321 AMAQI
26th Jul 2025342 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 2025339 AMAQI
26th Jul 20253010 AMAQI
26th Jul 20253011 AMAQI
26th Jul 20253012 PMAQI
26th Jul 2025301 PMAQI
26th Jul 2025282 PMAQI
26th Jul 2025293 PMAQI
26th Jul 2025294 PMAQI
26th Jul 2025275 PMAQI
26th Jul 2025286 PMAQI
26th Jul 2025277 PMAQI
26th Jul 2025278 PMAQI
26th Jul 2025349 PMAQI
26th Jul 20253310 PMAQI
26th Jul 20253211 PMAQI
27th Jul 20253112 AMAQI
27th Jul 2025321 AMAQI
27th Jul 2025332 AMAQI
27th Jul 2025333 AMAQI

29°C27/31°C

27th Jul 2025334 AMAQI
27th Jul 2025335 AMAQI
27th Jul 2025326 AMAQI
27th Jul 2025337 AMAQI
27th Jul 2025338 AMAQI
27th Jul 2025329 AMAQI
27th Jul 20252810 AMAQI
27th Jul 20252111 AMAQI
27th Jul 20252312 PMAQI
27th Jul 2025231 PMAQI
27th Jul 2025262 PMAQI
27th Jul 2025263 PMAQI
27th Jul 2025254 PMAQI
27th Jul 2025255 PMAQI
27th Jul 2025256 PMAQI
27th Jul 2025247 PMAQI
27th Jul 2025258 PMAQI
27th Jul 2025319 PMAQI
27th Jul 20253310 PMAQI
27th Jul 20253211 PMAQI
28th Jul 20253212 AMAQI
28th Jul 2025321 AMAQI
28th Jul 2025332 AMAQI
28th Jul 2025333 AMAQI

28°C26/31°C

28th Jul 2025334 AMAQI
28th Jul 2025325 AMAQI
28th Jul 2025326 AMAQI
28th Jul 2025327 AMAQI
28th Jul 2025328 AMAQI
28th Jul 2025339 AMAQI
28th Jul 20254410 AMAQI
28th Jul 20255211 AMAQI
28th Jul 20254512 PMAQI
28th Jul 2025361 PMAQI
28th Jul 2025282 PMAQI
28th Jul 2025163 PMAQI
28th Jul 2025174 PMAQI
28th Jul 2025165 PMAQI
28th Jul 2025186 PMAQI
28th Jul 2025167 PMAQI
28th Jul 2025188 PMAQI
28th Jul 2025269 PMAQI
28th Jul 20252610 PMAQI
28th Jul 20252711 PMAQI
29th Jul 20253012 AMAQI
29th Jul 2025331 AMAQI
29th Jul 2025322 AMAQI
29th Jul 2025333 AMAQI

28°C26/30°C

29th Jul 2025334 AMAQI
29th Jul 2025335 AMAQI
29th Jul 2025326 AMAQI
29th Jul 2025327 AMAQI
29th Jul 2025328 AMAQI
29th Jul 2025399 AMAQI
29th Jul 20255210 AMAQI
29th Jul 20254711 AMAQI
29th Jul 20253212 PMAQI
29th Jul 2025291 PMAQI
29th Jul 2025312 PMAQI
29th Jul 2025303 PMAQI
29th Jul 2025244 PMAQI
29th Jul 2025225 PMAQI
29th Jul 2025236 PMAQI
29th Jul 2025257 PMAQI
29th Jul 2025238 PMAQI
29th Jul 2025299 PMAQI
29th Jul 20252810 PMAQI
29th Jul 20252911 PMAQI
30th Jul 20252912 AMAQI
30th Jul 2025301 AMAQI
30th Jul 2025322 AMAQI
30th Jul 2025323 AMAQI

28°C26/31°C

30th Jul 2025324 AMAQI
30th Jul 2025345 AMAQI
30th Jul 2025346 AMAQI
30th Jul 2025347 AMAQI
30th Jul 2025338 AMAQI
30th Jul 2025249 AMAQI
30th Jul 20251910 AMAQI
30th Jul 20252211 AMAQI
30th Jul 20252612 PMAQI
30th Jul 2025281 PMAQI
30th Jul 2025292 PMAQI
30th Jul 2025333 PMAQI
30th Jul 2025314 PMAQI
30th Jul 2025295 PMAQI
30th Jul 2025306 PMAQI
30th Jul 2025357 PMAQI
30th Jul 2025368 PMAQI
30th Jul 2025359 PMAQI
30th Jul 20253310 PMAQI
30th Jul 20253211 PMAQI
31st Jul 20253312 AMAQI
31st Jul 2025301 AMAQI
31st Jul 2025322 AMAQI
31st Jul 2025323 AMAQI

29°C26/33°C

31st Jul 2025314 AMAQI
31st Jul 2025315 AMAQI
31st Jul 2025316 AMAQI
31st Jul 2025317 AMAQI
31st Jul 2025318 AMAQI
31st Jul 2025319 AMAQI
31st Jul 20253110 AMAQI
31st Jul 20253811 AMAQI
31st Jul 20254212 PMAQI
31st Jul 2025381 PMAQI
31st Jul 2025372 PMAQI
31st Jul 2025353 PMAQI
31st Jul 2025334 PMAQI
31st Jul 2025315 PMAQI
31st Jul 2025276 PMAQI
31st Jul 2025237 PMAQI
31st Jul 2025288 PMAQI
31st Jul 2025269 PMAQI
31st Jul 20252910 PMAQI
31st Jul 20252611 PMAQI
1st Aug 20252712 AMAQI
1st Aug 2025271 AMAQI
1st Aug 2025292 AMAQI
1st Aug 2025313 AMAQI

28°C25/32°C

1st Aug 2025314 AMAQI
1st Aug 2025335 AMAQI
1st Aug 2025326 AMAQI
1st Aug 2025347 AMAQI
1st Aug 2025348 AMAQI
1st Aug 2025349 AMAQI
1st Aug 20252910 AMAQI
1st Aug 20254011 AMAQI
1st Aug 20254912 PMAQI
1st Aug 2025321 PMAQI
1st Aug 2025362 PMAQI
1st Aug 2025303 PMAQI
1st Aug 2025364 PMAQI
1st Aug 2025305 PMAQI
1st Aug 2025386 PMAQI
1st Aug 2025237 PMAQI
1st Aug 2025258 PMAQI
1st Aug 2025279 PMAQI
1st Aug 20253010 PMAQI
1st Aug 20252611 PMAQI
2nd Aug 20252712 AMAQI
2nd Aug 2025331 AMAQI
2nd Aug 2025352 AMAQI
2nd Aug 2025353 AMAQI

28°C26/31°C

2nd Aug 2025364 AMAQI
2nd Aug 2025365 AMAQI
2nd Aug 2025366 AMAQI
2nd Aug 2025367 AMAQI
2nd Aug 2025378 AMAQI
2nd Aug 2025349 AMAQI
2nd Aug 20253710 AMAQI
2nd Aug 20254811 AMAQI
2nd Aug 20255012 PMAQI
2nd Aug 2025541 PMAQI
2nd Aug 2025572 PMAQI
2nd Aug 2025573 PMAQI
2nd Aug 2025524 PMAQI
2nd Aug 2025535 PMAQI
2nd Aug 2025566 PMAQI
2nd Aug 2025527 PMAQI
2nd Aug 2025398 PMAQI
2nd Aug 2025369 PMAQI
2nd Aug 20253610 PMAQI
2nd Aug 20253911 PMAQI
3rd Aug 20253412 AMAQI
3rd Aug 2025361 AMAQI
3rd Aug 2025382 AMAQI
3rd Aug 2025363 AMAQI

29°C27/31°C

3rd Aug 2025414 AMAQI
3rd Aug 2025405 AMAQI
3rd Aug 2025416 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025398 AMAQI
3rd Aug 2025479 AMAQI
3rd Aug 20255410 AMAQI
3rd Aug 20255511 AMAQI
3rd Aug 20255812 PMAQI
3rd Aug 2025551 PMAQI
3rd Aug 2025582 PMAQI
3rd Aug 2025523 PMAQI
3rd Aug 2025504 PMAQI
3rd Aug 2025485 PMAQI
3rd Aug 2025516 PMAQI
3rd Aug 2025447 PMAQI
3rd Aug 2025488 PMAQI
3rd Aug 2025429 PMAQI
3rd Aug 20254510 PMAQI
3rd Aug 20254411 PMAQI
4th Aug 20254112 AMAQI
4th Aug 2025381 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025383 AMAQI

29°C27/32°C

4th Aug 2025434 AMAQI
4th Aug 2025435 AMAQI
4th Aug 2025446 AMAQI
4th Aug 2025447 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025629 AMAQI
4th Aug 20257710 AMAQI
4th Aug 20258311 AMAQI
4th Aug 20258612 PMAQI
4th Aug 2025921 PMAQI
4th Aug 2025962 PMAQI
4th Aug 2025893 PMAQI
4th Aug 2025964 PMAQI
4th Aug 20251025 PMAQI
4th Aug 2025966 PMAQI
4th Aug 2025797 PMAQI
4th Aug 2025798 PMAQI
4th Aug 2025619 PMAQI
4th Aug 20255610 PMAQI
4th Aug 20255011 PMAQI
5th Aug 20255412 AMAQI
5th Aug 2025461 AMAQI
5th Aug 2025422 AMAQI
5th Aug 2025413 AMAQI

29°C27/32°C

5th Aug 2025514 AMAQI
5th Aug 2025545 AMAQI
5th Aug 2025546 AMAQI
5th Aug 2025527 AMAQI
5th Aug 2025548 AMAQI
5th Aug 2025599 AMAQI
5th Aug 20256010 AMAQI
5th Aug 20256211 AMAQI
5th Aug 20255712 PMAQI
5th Aug 2025591 PMAQI
5th Aug 2025622 PMAQI
5th Aug 2025603 PMAQI
5th Aug 2025584 PMAQI
5th Aug 2025545 PMAQI
5th Aug 2025536 PMAQI
5th Aug 2025497 PMAQI
5th Aug 2025528 PMAQI
5th Aug 2025509 PMAQI
5th Aug 20255110 PMAQI
5th Aug 20254911 PMAQI
6th Aug 20254612 AMAQI
6th Aug 2025521 AMAQI
6th Aug 2025502 AMAQI
6th Aug 2025503 AMAQI

30°C27/33°C

6th Aug 2025524 AMAQI
6th Aug 2025535 AMAQI
6th Aug 2025536 AMAQI
6th Aug 2025547 AMAQI
6th Aug 2025548 AMAQI
6th Aug 2025509 AMAQI
6th Aug 20254510 AMAQI
6th Aug 20255311 AMAQI
6th Aug 20255812 PMAQI
6th Aug 2025531 PMAQI
6th Aug 2025602 PMAQI
6th Aug 2025603 PMAQI
6th Aug 2025554 PMAQI
6th Aug 2025615 PMAQI
6th Aug 2025566 PMAQI
6th Aug 2025607 PMAQI
6th Aug 2025528 PMAQI
6th Aug 2025489 PMAQI
6th Aug 20255010 PMAQI
6th Aug 20254611 PMAQI
7th Aug 20254912 AMAQI
7th Aug 2025481 AMAQI
7th Aug 2025522 AMAQI
7th Aug 2025523 AMAQI

30°C28/33°C

7th Aug 2025524 AMAQI
7th Aug 2025525 AMAQI
7th Aug 2025526 AMAQI
7th Aug 2025487 AMAQI
7th Aug 2025528 AMAQI
7th Aug 2025529 AMAQI
7th Aug 20254910 AMAQI
7th Aug 20255211 AMAQI
7th Aug 20253912 PMAQI
7th Aug 2025331 PMAQI
7th Aug 2025302 PMAQI
7th Aug 2025343 PMAQI
7th Aug 2025524 PMAQI
7th Aug 2025535 PMAQI
7th Aug 2025526 PMAQI
7th Aug 2025537 PMAQI
7th Aug 2025538 PMAQI
7th Aug 2025529 PMAQI
7th Aug 20255210 PMAQI
7th Aug 20255311 PMAQI
8th Aug 20255312 AMAQI
8th Aug 2025521 AMAQI
8th Aug 2025522 AMAQI
8th Aug 2025523 AMAQI

30°C28/32°C

8th Aug 2025524 AMAQI
8th Aug 2025495 AMAQI
8th Aug 2025496 AMAQI
8th Aug 2025497 AMAQI
8th Aug 2025498 AMAQI
8th Aug 2025529 AMAQI
8th Aug 20255610 AMAQI
8th Aug 20255611 AMAQI
8th Aug 20255612 PMAQI
8th Aug 2025561 PMAQI
8th Aug 2025602 PMAQI
8th Aug 2025413 PMAQI
8th Aug 2025244 PMAQI
8th Aug 2025245 PMAQI
8th Aug 2025276 PMAQI
8th Aug 2025277 PMAQI
8th Aug 2025328 PMAQI
8th Aug 2025469 PMAQI
8th Aug 20254410 PMAQI
8th Aug 20254511 PMAQI
9th Aug 20254612 AMAQI
9th Aug 2025511 AMAQI
9th Aug 2025522 AMAQI
9th Aug 2025523 AMAQI

29°C26/32°C

9th Aug 2025524 AMAQI
9th Aug 2025525 AMAQI
9th Aug 2025526 AMAQI
9th Aug 2025527 AMAQI
9th Aug 2025528 AMAQI
9th Aug 2025269 AMAQI
9th Aug 20252010 AMAQI
9th Aug 20252411 AMAQI
9th Aug 20253112 PMAQI
9th Aug 2025281 PMAQI
9th Aug 2025292 PMAQI
9th Aug 2025293 PMAQI
9th Aug 2025344 PMAQI
9th Aug 2025555 PMAQI
9th Aug 2025566 PMAQI
9th Aug 2025567 PMAQI
9th Aug 2025558 PMAQI
9th Aug 2025539 PMAQI
9th Aug 20255310 PMAQI
9th Aug 20255211 PMAQI
10th Aug 20255112 AMAQI
10th Aug 2025491 AMAQI
10th Aug 2025502 AMAQI
10th Aug 2025493 AMAQI

28°C26/29°C

10th Aug 2025484 AMAQI
10th Aug 2025465 AMAQI
10th Aug 2025456 AMAQI
10th Aug 2025457 AMAQI
10th Aug 2025468 AMAQI
10th Aug 2025389 AMAQI
10th Aug 20253410 AMAQI
10th Aug 20253011 AMAQI
10th Aug 20252612 PMAQI
10th Aug 2025301 PMAQI
10th Aug 2025312 PMAQI
10th Aug 2025313 PMAQI
10th Aug 2025264 PMAQI
10th Aug 2025305 PMAQI
10th Aug 2025286 PMAQI
10th Aug 2025307 PMAQI
10th Aug 2025358 PMAQI
10th Aug 2025469 PMAQI
10th Aug 20255010 PMAQI
10th Aug 20254911 PMAQI
11th Aug 20254712 AMAQI
11th Aug 2025481 AMAQI
11th Aug 2025492 AMAQI
11th Aug 2025503 AMAQI

27°C25/28°C

11th Aug 2025494 AMAQI
11th Aug 2025475 AMAQI
11th Aug 2025466 AMAQI
11th Aug 2025477 AMAQI
11th Aug 2025478 AMAQI
11th Aug 2025409 AMAQI
11th Aug 20253610 AMAQI
11th Aug 20253011 AMAQI
11th Aug 20253412 PMAQI
11th Aug 2025321 PMAQI
11th Aug 2025322 PMAQI
11th Aug 2025343 PMAQI
11th Aug 2025364 PMAQI
11th Aug 2025455 PMAQI
11th Aug 2025376 PMAQI
11th Aug 2025367 PMAQI
11th Aug 2025328 PMAQI
11th Aug 2025369 PMAQI
11th Aug 20253610 PMAQI
11th Aug 20253511 PMAQI
12th Aug 20253912 AMAQI
12th Aug 2025451 AMAQI
12th Aug 2025462 AMAQI
12th Aug 2025443 AMAQI

28°C27/29°C

12th Aug 2025434 AMAQI
12th Aug 2025415 AMAQI
12th Aug 2025406 AMAQI
12th Aug 2025417 AMAQI
12th Aug 2025418 AMAQI
12th Aug 2025289 AMAQI
12th Aug 20253510 AMAQI
12th Aug 20253411 AMAQI
12th Aug 20253812 PMAQI
12th Aug 2025391 PMAQI
12th Aug 2025352 PMAQI
12th Aug 2025343 PMAQI
12th Aug 2025374 PMAQI
12th Aug 2025315 PMAQI
12th Aug 2025346 PMAQI
12th Aug 2025297 PMAQI
12th Aug 2025378 PMAQI
12th Aug 2025389 PMAQI
12th Aug 20253510 PMAQI
12th Aug 20253711 PMAQI
13th Aug 20253712 AMAQI
13th Aug 2025391 AMAQI
13th Aug 2025402 AMAQI
13th Aug 2025403 AMAQI

28°C27/29°C

13th Aug 2025394 AMAQI
13th Aug 2025375 AMAQI
13th Aug 2025386 AMAQI
13th Aug 2025397 AMAQI
13th Aug 2025388 AMAQI
13th Aug 2025269 AMAQI
13th Aug 20252510 AMAQI
13th Aug 20253711 AMAQI
13th Aug 20253412 PMAQI
13th Aug 2025381 PMAQI
13th Aug 2025422 PMAQI
13th Aug 2025473 PMAQI
13th Aug 2025434 PMAQI
13th Aug 2025435 PMAQI
13th Aug 2025286 PMAQI
13th Aug 2025267 PMAQI
13th Aug 2025328 PMAQI
13th Aug 2025339 PMAQI
13th Aug 20253310 PMAQI
13th Aug 20253411 PMAQI
14th Aug 20253412 AMAQI
14th Aug 2025371 AMAQI
14th Aug 2025372 AMAQI
14th Aug 2025383 AMAQI

28°C27/29°C

14th Aug 2025374 AMAQI
14th Aug 2025355 AMAQI
14th Aug 2025376 AMAQI
14th Aug 2025377 AMAQI
14th Aug 2025368 AMAQI
14th Aug 2025299 AMAQI
14th Aug 20253210 AMAQI
14th Aug 20254811 AMAQI
14th Aug 20254412 PMAQI
14th Aug 2025551 PMAQI
14th Aug 2025562 PMAQI
14th Aug 2025563 PMAQI
14th Aug 2025514 PMAQI
14th Aug 2025485 PMAQI
14th Aug 2025446 PMAQI
14th Aug 2025417 PMAQI
14th Aug 2025358 PMAQI
14th Aug 2025369 PMAQI
14th Aug 20253610 PMAQI
14th Aug 20253511 PMAQI
15th Aug 20253412 AMAQI
15th Aug 2025381 AMAQI
15th Aug 2025342 AMAQI
15th Aug 2025363 AMAQI

27°C25/29°C

15th Aug 2025374 AMAQI
15th Aug 2025405 AMAQI
15th Aug 2025386 AMAQI
15th Aug 2025397 AMAQI
15th Aug 2025398 AMAQI
15th Aug 2025359 AMAQI
15th Aug 20253610 AMAQI
15th Aug 20254111 AMAQI
15th Aug 20255412 PMAQI
15th Aug 2025491 PMAQI
15th Aug 2025332 PMAQI
15th Aug 2025333 PMAQI
15th Aug 2025364 PMAQI
15th Aug 2025365 PMAQI
15th Aug 2025406 PMAQI
15th Aug 2025387 PMAQI
15th Aug 2025368 PMAQI
15th Aug 2025349 PMAQI
15th Aug 20253610 PMAQI
15th Aug 20253611 PMAQI
16th Aug 20253512 AMAQI
16th Aug 2025361 AMAQI
16th Aug 2025362 AMAQI
16th Aug 2025353 AMAQI

27°C26/29°C

16th Aug 2025394 AMAQI
16th Aug 2025405 AMAQI
16th Aug 2025396 AMAQI
16th Aug 2025407 AMAQI
16th Aug 2025408 AMAQI
16th Aug 2025329 AMAQI
16th Aug 20254210 AMAQI
16th Aug 20253911 AMAQI
16th Aug 20254212 PMAQI
16th Aug 2025571 PMAQI
16th Aug 2025542 PMAQI
16th Aug 2025523 PMAQI
16th Aug 2025444 PMAQI
16th Aug 2025455 PMAQI
16th Aug 2025426 PMAQI
16th Aug 2025347 PMAQI
16th Aug 2025408 PMAQI
16th Aug 2025429 PMAQI
16th Aug 20253610 PMAQI
16th Aug 20253711 PMAQI
17th Aug 20254112 AMAQI
17th Aug 2025381 AMAQI
17th Aug 2025362 AMAQI
17th Aug 2025363 AMAQI

27°C26/29°C

17th Aug 2025384 AMAQI
17th Aug 2025395 AMAQI
17th Aug 2025386 AMAQI
17th Aug 2025387 AMAQI
17th Aug 2025378 AMAQI
17th Aug 2025349 AMAQI
17th Aug 20253910 AMAQI
17th Aug 20254011 AMAQI
17th Aug 20255412 PMAQI
17th Aug 2025581 PMAQI
17th Aug 2025482 PMAQI
17th Aug 2025553 PMAQI
17th Aug 2025544 PMAQI
17th Aug 2025535 PMAQI
17th Aug 2025366 PMAQI
17th Aug 2025427 PMAQI
17th Aug 2025368 PMAQI
17th Aug 2025399 PMAQI
17th Aug 20253810 PMAQI
17th Aug 20254211 PMAQI
18th Aug 20253612 AMAQI
18th Aug 2025391 AMAQI
18th Aug 2025392 AMAQI
18th Aug 2025383 AMAQI

28°C26/31°C

18th Aug 2025424 AMAQI
18th Aug 2025415 AMAQI
18th Aug 2025426 AMAQI
18th Aug 2025417 AMAQI
18th Aug 2025418 AMAQI
18th Aug 2025409 AMAQI
18th Aug 20254410 AMAQI
18th Aug 20254311 AMAQI
18th Aug 20254712 PMAQI
18th Aug 2025571 PMAQI
18th Aug 2025542 PMAQI
18th Aug 2025623 PMAQI
18th Aug 2025614 PMAQI
18th Aug 2025625 PMAQI
18th Aug 2025536 PMAQI
18th Aug 2025527 PMAQI
18th Aug 2025488 PMAQI
18th Aug 2025479 PMAQI
18th Aug 20254110 PMAQI
18th Aug 20254411 PMAQI
19th Aug 20254212 AMAQI
19th Aug 2025411 AMAQI
19th Aug 2025422 AMAQI
19th Aug 2025403 AMAQI

28°C26/31°C

19th Aug 2025414 AMAQI
19th Aug 2025435 AMAQI
19th Aug 2025436 AMAQI
19th Aug 2025437 AMAQI
19th Aug 2025428 AMAQI
19th Aug 2025529 AMAQI
19th Aug 20255610 AMAQI
19th Aug 20255411 AMAQI
19th Aug 20255212 PMAQI
19th Aug 2025521 PMAQI
19th Aug 2025542 PMAQI
19th Aug 2025553 PMAQI
19th Aug 2025554 PMAQI
19th Aug 2025485 PMAQI
19th Aug 2025546 PMAQI
19th Aug 2025547 PMAQI
19th Aug 2025518 PMAQI
19th Aug 2025469 PMAQI
19th Aug 20254710 PMAQI
19th Aug 20254311 PMAQI
20th Aug 20254512 AMAQI
20th Aug 2025421 AMAQI
20th Aug 2025422 AMAQI
20th Aug 2025423 AMAQI

28°C26/31°C

20th Aug 2025454 AMAQI
20th Aug 2025445 AMAQI
20th Aug 2025456 AMAQI
20th Aug 2025447 AMAQI
20th Aug 2025448 AMAQI
20th Aug 2025489 AMAQI
20th Aug 20255510 AMAQI
20th Aug 20255911 AMAQI
20th Aug 20255712 PMAQI
20th Aug 2025561 PMAQI
20th Aug 2025522 PMAQI
20th Aug 2025583 PMAQI
20th Aug 2025584 PMAQI
20th Aug 2025505 PMAQI
20th Aug 2025486 PMAQI
20th Aug 2025507 PMAQI
20th Aug 2025528 PMAQI
20th Aug 2025449 PMAQI
20th Aug 20254610 PMAQI
20th Aug 20254311 PMAQI
21st Aug 20254612 AMAQI
21st Aug 2025441 AMAQI
21st Aug 2025432 AMAQI
21st Aug 2025423 AMAQI

28°C26/31°C

21st Aug 2025484 AMAQI
21st Aug 2025485 AMAQI
21st Aug 2025486 AMAQI
21st Aug 2025487 AMAQI
21st Aug 2025488 AMAQI
21st Aug 2025589 AMAQI
21st Aug 20255410 AMAQI
21st Aug 20255811 AMAQI
21st Aug 20256312 PMAQI
21st Aug 2025651 PMAQI
21st Aug 2025652 PMAQI
21st Aug 2025623 PMAQI
21st Aug 2025614 PMAQI
21st Aug 2025525 PMAQI
21st Aug 2025526 PMAQI
21st Aug 2025537 PMAQI
21st Aug 2025548 PMAQI
21st Aug 2025509 PMAQI
21st Aug 20255010 PMAQI
21st Aug 20255211 PMAQI
22nd Aug 20255012 AMAQI
22nd Aug 2025481 AMAQI
22nd Aug 2025482 AMAQI
22nd Aug 2025463 AMAQI

29°C26/31°C

22nd Aug 2025524 AMAQI
4 AM
22nd Aug 2025525 AMAQI
22nd Aug 2025516 AMAQI
22nd Aug 2025527 AMAQI
22nd Aug 2025528 AMAQI
22nd Aug 2025629 AMAQI
22nd Aug 20256210 AMAQI
22nd Aug 20256411 AMAQI
11 AM
22nd Aug 20256612 PMAQI
22nd Aug 2025611 PMAQI
22nd Aug 2025592 PMAQI
22nd Aug 2025583 PMAQI
22nd Aug 2025584 PMAQI
22nd Aug 2025525 PMAQI
22nd Aug 2025486 PMAQI
6 PM
11 PM
3 AM

--°C/°C

Day time
Avg. Highest Time
12 PM - 5 PM

44AQI

6 hours / Day
180 hours / Month
Avg. Lowest Time
4 AM - 10 AM

41AQI

7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 5 PM (Avg. 44), while the lowest AQI was between 4 AM to 10 AM (Avg. 41).
Night time
Avg. Highest Time
12 AM - 11 PM

39AQI

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

39AQI

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. 39), while the lowest AQI was between 12 AM to 11 PM (Avg. 39).

2025 Days Vs Air Quality

Chigasaki, Chigasaki, Kanagawa, Japan

2025

94%

218

6%

15

Total number of days with different AQI categories in last 234 days in 2025 (131 days remaining)

Good
218 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 234 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

Chigasaki, Chigasaki, 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.

-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
22AQI
2nd January 2025
26AQI
3rd January 2025
21AQI
4th January 2025
22AQI
5th January 2025
19AQI
6th January 2025
50AQI
7th January 2025
29AQI
8th January 2025
32AQI
9th January 2025
29AQI
10th January 2025
27AQI
11th January 2025
25AQI
12th January 2025
25AQI
13th January 2025
31AQI
14th January 2025
26AQI
15th January 2025
31AQI
16th January 2025
22AQI
17th January 2025
26AQI
18th January 2025
23AQI
19th January 2025
27AQI
20th January 2025
27AQI
21st January 2025
30AQI
22nd January 2025
36AQI
23rd January 2025
39AQI
24th January 2025
38AQI
25th January 2025
36AQI
26th January 2025
34AQI
27th January 2025
30AQI
28th January 2025
29AQI
29th January 2025
30AQI
30th January 2025
28AQI
31st January 2025
26AQI
1st February 2025
25AQI
2nd February 2025
24AQI
3rd February 2025
29AQI
4th February 2025
30AQI
5th February 2025
30AQI
6th February 2025
28AQI
7th February 2025
27AQI
8th February 2025
28AQI
9th February 2025
28AQI
10th February 2025
26AQI
11th February 2025
28AQI
12th February 2025
28AQI
13th February 2025
29AQI
14th February 2025
28AQI
15th February 2025
28AQI
16th February 2025
30AQI
17th February 2025
33AQI
18th February 2025
28AQI
19th February 2025
29AQI
20th February 2025
28AQI
21st February 2025
30AQI
22nd February 2025
29AQI
23rd February 2025
31AQI
24th February 2025
31AQI
25th February 2025
33AQI
26th February 2025
34AQI
27th February 2025
37AQI
28th February 2025
38AQI
1st March 2025
52AQI
2nd March 2025
42AQI
3rd March 2025
39AQI
4th March 2025
30AQI
5th March 2025
29AQI
6th March 2025
27AQI
7th March 2025
32AQI
8th March 2025
30AQI
9th March 2025
34AQI
10th March 2025
33AQI
11th March 2025
32AQI
12th March 2025
29AQI
13th March 2025
33AQI
14th March 2025
22AQI
15th March 2025
20AQI
16th March 2025
17AQI
17th March 2025
15AQI
18th March 2025
14AQI
19th March 2025
14AQI
20th March 2025
16AQI
21st March 2025
22AQI
22nd March 2025
27AQI
23rd March 2025
30AQI
24th March 2025
30AQI
25th March 2025
42AQI
26th March 2025
59AQI
27th March 2025
54AQI
28th March 2025
37AQI
29th March 2025
29AQI
30th March 2025
31AQI
31st March 2025
26AQI
1st April 2025
21AQI
2nd April 2025
20AQI
3rd April 2025
17AQI
4th April 2025
17AQI
5th April 2025
17AQI
6th April 2025
15AQI
7th April 2025
16AQI
8th April 2025
19AQI
9th April 2025
22AQI
10th April 2025
23AQI
11th April 2025
23AQI
12th April 2025
23AQI
13th April 2025
19AQI
14th April 2025
25AQI
15th April 2025
21AQI
16th April 2025
20AQI
17th April 2025
26AQI
18th April 2025
30AQI
19th April 2025
32AQI
20th April 2025
27AQI
21st April 2025
25AQI
22nd April 2025
24AQI
23rd April 2025
16AQI
24th April 2025
19AQI
25th April 2025
20AQI
26th April 2025
21AQI
27th April 2025
24AQI
28th April 2025
23AQI
29th April 2025
17AQI
30th April 2025
22AQI
1st May 2025
21AQI
2nd May 2025
17AQI
3rd May 2025
16AQI
4th May 2025
20AQI
5th May 2025
17AQI
6th May 2025
17AQI
7th May 2025
14AQI
8th May 2025
16AQI
9th May 2025
17AQI
10th May 2025
14AQI
11th May 2025
16AQI
12th May 2025
15AQI
13th May 2025
19AQI
14th May 2025
17AQI
15th May 2025
19AQI
16th May 2025
19AQI
17th May 2025
19AQI
18th May 2025
21AQI
19th May 2025
22AQI
20th May 2025
52AQI
21st May 2025
27AQI
22nd May 2025
29AQI
23rd May 2025
23AQI
24th May 2025
23AQI
25th May 2025
17AQI
26th May 2025
19AQI
27th May 2025
23AQI
28th May 2025
15AQI
29th May 2025
18AQI
30th May 2025
15AQI
31st May 2025
13AQI
1st June 2025
14AQI
2nd June 2025
16AQI
3rd June 2025
18AQI
4th June 2025
17AQI
5th June 2025
20AQI
6th June 2025
20AQI
7th June 2025
36AQI
8th June 2025
27AQI
9th June 2025
24AQI
10th June 2025
20AQI
11th June 2025
18AQI
12th June 2025
22AQI
13th June 2025
19AQI
14th June 2025
18AQI
15th June 2025
22AQI
16th June 2025
22AQI
17th June 2025
25AQI
18th June 2025
25AQI
19th June 2025
24AQI
20th June 2025
22AQI
21st June 2025
19AQI
22nd June 2025
12AQI
23rd June 2025
13AQI
24th June 2025
14AQI
25th June 2025
18AQI
26th June 2025
16AQI
27th June 2025
17AQI
28th June 2025
18AQI
29th June 2025
19AQI
30th June 2025
30AQI
1st July 2025
32AQI
2nd July 2025
37AQI
3rd July 2025
35AQI
4th July 2025
35AQI
5th July 2025
45AQI
6th July 2025
55AQI
7th July 2025
71AQI
8th July 2025
72AQI
9th July 2025
72AQI
10th July 2025
58AQI
11th July 2025
54AQI
12th July 2025
56AQI
13th July 2025
54AQI
14th July 2025
46AQI
15th July 2025
48AQI
16th July 2025
46AQI
17th July 2025
44AQI
18th July 2025
39AQI
19th July 2025
35AQI
20th July 2025
34AQI
21st July 2025
34AQI
22nd July 2025
31AQI
23rd July 2025
30AQI
24th July 2025
32AQI
25th July 2025
29AQI
26th July 2025
31AQI
27th July 2025
30AQI
28th July 2025
30AQI
29th July 2025
31AQI
30th July 2025
31AQI
31st July 2025
31AQI
1st August 2025
31AQI
2nd August 2025
40AQI
3rd August 2025
45AQI
4th August 2025
61AQI
5th August 2025
53AQI
6th August 2025
53AQI
7th August 2025
50AQI
8th August 2025
47AQI
9th August 2025
46AQI
10th August 2025
42AQI
11th August 2025
41AQI
12th August 2025
38AQI
13th August 2025
36AQI
14th August 2025
38AQI
15th August 2025
37AQI
16th August 2025
39AQI
17th August 2025
41AQI
18th August 2025
45AQI
19th August 2025
48AQI
20th August 2025
47AQI
21st August 2025
50AQI
22nd August 2025
23rd August 2025
24th August 2025
25th August 2025
26th August 2025
27th August 2025
28th August 2025
29th August 2025
30th August 2025
31st August 2025
1st September 2025
2nd September 2025
3rd September 2025
4th September 2025
5th September 2025
6th September 2025
7th September 2025
8th September 2025
9th September 2025
10th September 2025
11th September 2025
12th September 2025
13th September 2025
14th September 2025
15th September 2025
16th September 2025
17th September 2025
18th September 2025
19th September 2025
20th September 2025
21st September 2025
22nd September 2025
23rd September 2025
24th September 2025
25th September 2025
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025

29AQI

30AQI

31AQI

21AQI

20AQI

20AQI

42AQI

44AQI

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
23
8
18
3
218
15

Highest AQI recorded in

August

44AQI

Lowest AQI recorded in

May

20AQI

202432AQI

27
2
11
1
18
4
28
2
30
1
27
3
26
5
31
30
31
29
1
31
319
19

Highest AQI recorded in

January

39AQI

Lowest AQI recorded in

August

24AQI

202346AQI

22
7
24
4
21
10
18
12
22
9
15
15
16
15
23
8
24
6
26
5
19
10
25
6
255
107

Highest AQI recorded in

April

52AQI

Lowest AQI recorded in

January

40AQI

202243AQI

27
3
17
2
21
10
11
6
22
9
16
14
17
4
1
16
12
27
4
21
9
30
1
226
74

Highest AQI recorded in

June

48AQI

Lowest AQI recorded in

August

28AQI

202142AQI

23
6
21
4
23
4
19
3
19
12
23
7
23
8
18
13
24
6
27
4
23
7
25
6
268
80

Highest AQI recorded in

May

48AQI

Lowest AQI recorded in

March

37AQI

202040AQI

10
3
17
4
17
1
21
9
28
3
18
12
1
17
2
29
2
20
10
23
8
200
54
1

Highest AQI recorded in

August

49AQI

Lowest AQI recorded in

September

33AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
46AQI
Least Polluted Year Recorded
2025(Avg.)
29AQI

Chigasaki's annual 2025 AQI (29) shows an average percentage change of -27.3% (improved AQI) compared to previous years: 2020 (40), 2021 (42), 2022 (43), 2023 (46), 2024 (32).