Kawaguchi, Saitama, 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
Kawaguchi, Saitama, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
71AQILowest AQI recorded on
8th Aug 2021
12AQISame Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 58 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Kawaguchi, Saitama, Japan
AQI
Day
Night
.
4 AM5th Aug 2025
6 PM
3 AM6th Aug 2025
Day time
Avg. Highest Time
10AM5th Aug
63AQI
Avg. Lowest Time
4AM5th Aug
50AQI
Night time
Avg. Highest Time
8PM5th Aug
50AQI
Avg. Lowest Time
12AM6th Aug
46AQI
In the last 24 hours,
Kawaguchi's AQI reached its highest point of 63 at 10 AM during the Day, while the lowest point, 46, was recorded at 12 AM during the Night between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Kawaguchi, Saitama, Japan
JulAug
07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th
Day
Night
7th Jul 2025504 AMAQI
7th Jul 2025535 AMAQI
7th Jul 2025536 AMAQI
7th Jul 2025537 AMAQI
7th Jul 2025538 AMAQI
7th Jul 20251029 AMAQI
7th Jul 202511410 AMAQI
7th Jul 202510711 AMAQI
7th Jul 202510612 PMAQI
7th Jul 2025981 PMAQI
7th Jul 2025942 PMAQI
7th Jul 2025893 PMAQI
7th Jul 2025884 PMAQI
7th Jul 2025925 PMAQI
7th Jul 20251006 PMAQI
7th Jul 20251097 PMAQI
7th Jul 20251048 PMAQI
7th Jul 2025799 PMAQI
7th Jul 20257910 PMAQI
7th Jul 20257711 PMAQI
8th Jul 20257912 AMAQI
8th Jul 2025701 AMAQI
8th Jul 2025562 AMAQI
8th Jul 2025563 AMAQI
31°C28/35°C
8th Jul 2025584 AMAQI
8th Jul 2025655 AMAQI
8th Jul 2025656 AMAQI
8th Jul 2025657 AMAQI
8th Jul 2025658 AMAQI
8th Jul 20251089 AMAQI
8th Jul 202511610 AMAQI
8th Jul 202510811 AMAQI
8th Jul 20259912 PMAQI
8th Jul 2025861 PMAQI
8th Jul 2025762 PMAQI
8th Jul 2025763 PMAQI
8th Jul 2025914 PMAQI
8th Jul 2025875 PMAQI
8th Jul 2025856 PMAQI
8th Jul 2025847 PMAQI
8th Jul 2025808 PMAQI
8th Jul 2025779 PMAQI
8th Jul 20257910 PMAQI
8th Jul 20258011 PMAQI
9th Jul 20258112 AMAQI
9th Jul 2025751 AMAQI
9th Jul 2025652 AMAQI
9th Jul 2025653 AMAQI
31°C28/35°C
9th Jul 2025674 AMAQI
9th Jul 2025725 AMAQI
9th Jul 2025726 AMAQI
9th Jul 2025727 AMAQI
9th Jul 2025728 AMAQI
9th Jul 20251109 AMAQI
9th Jul 202512110 AMAQI
9th Jul 202513011 AMAQI
9th Jul 202512612 PMAQI
9th Jul 20251101 PMAQI
9th Jul 20251002 PMAQI
9th Jul 20251013 PMAQI
9th Jul 20251004 PMAQI
9th Jul 2025975 PMAQI
9th Jul 2025936 PMAQI
9th Jul 2025807 PMAQI
9th Jul 2025668 PMAQI
9th Jul 2025659 PMAQI
9th Jul 20256410 PMAQI
9th Jul 20256311 PMAQI
10th Jul 20256212 AMAQI
10th Jul 2025661 AMAQI
10th Jul 2025722 AMAQI
10th Jul 2025723 AMAQI
31°C28/35°C
10th Jul 2025744 AMAQI
10th Jul 2025785 AMAQI
10th Jul 2025786 AMAQI
10th Jul 2025787 AMAQI
10th Jul 2025788 AMAQI
10th Jul 2025529 AMAQI
10th Jul 20255610 AMAQI
10th Jul 20256711 AMAQI
10th Jul 20256812 PMAQI
10th Jul 2025631 PMAQI
10th Jul 2025562 PMAQI
10th Jul 2025493 PMAQI
10th Jul 2025494 PMAQI
10th Jul 2025515 PMAQI
10th Jul 2025496 PMAQI
10th Jul 2025527 PMAQI
10th Jul 2025558 PMAQI
10th Jul 2025619 PMAQI
10th Jul 20255910 PMAQI
10th Jul 20255911 PMAQI
11th Jul 20255912 AMAQI
11th Jul 2025651 AMAQI
11th Jul 2025702 AMAQI
11th Jul 2025703 AMAQI
29°C24/35°C
11th Jul 2025704 AMAQI
11th Jul 2025695 AMAQI
11th Jul 2025696 AMAQI
11th Jul 2025697 AMAQI
11th Jul 2025698 AMAQI
11th Jul 2025319 AMAQI
11th Jul 20252210 AMAQI
11th Jul 20252311 AMAQI
11th Jul 20252412 PMAQI
11th Jul 2025341 PMAQI
11th Jul 2025362 PMAQI
11th Jul 2025383 PMAQI
11th Jul 2025364 PMAQI
11th Jul 2025345 PMAQI
11th Jul 2025356 PMAQI
11th Jul 2025357 PMAQI
11th Jul 2025438 PMAQI
11th Jul 2025589 PMAQI
11th Jul 20255810 PMAQI
11th Jul 20255811 PMAQI
12th Jul 20255812 AMAQI
12th Jul 2025601 AMAQI
12th Jul 2025662 AMAQI
12th Jul 2025663 AMAQI
24°C23/27°C
12th Jul 2025654 AMAQI
12th Jul 2025625 AMAQI
12th Jul 2025626 AMAQI
12th Jul 2025627 AMAQI
12th Jul 2025628 AMAQI
12th Jul 2025419 AMAQI
12th Jul 20253710 AMAQI
12th Jul 20254011 AMAQI
12th Jul 20254412 PMAQI
12th Jul 2025491 PMAQI
12th Jul 2025492 PMAQI
12th Jul 2025463 PMAQI
12th Jul 2025474 PMAQI
12th Jul 2025465 PMAQI
12th Jul 2025436 PMAQI
12th Jul 2025437 PMAQI
12th Jul 2025458 PMAQI
12th Jul 2025559 PMAQI
12th Jul 20255510 PMAQI
12th Jul 20255511 PMAQI
13th Jul 20255512 AMAQI
13th Jul 2025581 AMAQI
13th Jul 2025622 AMAQI
13th Jul 2025623 AMAQI
25°C22/29°C
13th Jul 2025614 AMAQI
13th Jul 2025595 AMAQI
13th Jul 2025596 AMAQI
13th Jul 2025597 AMAQI
13th Jul 2025598 AMAQI
13th Jul 2025459 AMAQI
13th Jul 20253910 AMAQI
13th Jul 20254811 AMAQI
13th Jul 20255012 PMAQI
13th Jul 2025491 PMAQI
13th Jul 2025502 PMAQI
13th Jul 2025513 PMAQI
13th Jul 2025504 PMAQI
13th Jul 2025505 PMAQI
13th Jul 2025506 PMAQI
13th Jul 2025447 PMAQI
13th Jul 2025438 PMAQI
13th Jul 2025529 PMAQI
13th Jul 20255210 PMAQI
13th Jul 20255211 PMAQI
14th Jul 20255212 AMAQI
14th Jul 2025541 AMAQI
14th Jul 2025592 AMAQI
14th Jul 2025593 AMAQI
27°C24/32°C
14th Jul 2025584 AMAQI
14th Jul 2025575 AMAQI
14th Jul 2025576 AMAQI
14th Jul 2025577 AMAQI
14th Jul 2025578 AMAQI
14th Jul 2025349 AMAQI
14th Jul 20252110 AMAQI
14th Jul 20252211 AMAQI
14th Jul 20252412 PMAQI
14th Jul 2025271 PMAQI
14th Jul 2025252 PMAQI
14th Jul 2025273 PMAQI
14th Jul 2025304 PMAQI
14th Jul 2025295 PMAQI
14th Jul 2025286 PMAQI
14th Jul 2025297 PMAQI
14th Jul 2025338 PMAQI
14th Jul 2025489 PMAQI
14th Jul 20254810 PMAQI
14th Jul 20254911 PMAQI
15th Jul 20254912 AMAQI
15th Jul 2025521 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025563 AMAQI
27°C25/30°C
15th Jul 2025554 AMAQI
15th Jul 2025545 AMAQI
15th Jul 2025536 AMAQI
15th Jul 2025537 AMAQI
15th Jul 2025538 AMAQI
15th Jul 2025409 AMAQI
15th Jul 20253010 AMAQI
15th Jul 20252511 AMAQI
15th Jul 20253012 PMAQI
15th Jul 2025331 PMAQI
15th Jul 2025342 PMAQI
15th Jul 2025423 PMAQI
15th Jul 2025384 PMAQI
15th Jul 2025295 PMAQI
15th Jul 2025336 PMAQI
15th Jul 2025327 PMAQI
15th Jul 2025308 PMAQI
15th Jul 2025419 PMAQI
15th Jul 20254310 PMAQI
15th Jul 20254611 PMAQI
16th Jul 20254712 AMAQI
16th Jul 2025511 AMAQI
16th Jul 2025542 AMAQI
16th Jul 2025543 AMAQI
27°C26/29°C
16th Jul 2025534 AMAQI
16th Jul 2025525 AMAQI
16th Jul 2025526 AMAQI
16th Jul 2025527 AMAQI
16th Jul 2025528 AMAQI
16th Jul 2025529 AMAQI
16th Jul 20254810 AMAQI
16th Jul 20253711 AMAQI
16th Jul 20252812 PMAQI
16th Jul 2025271 PMAQI
16th Jul 2025282 PMAQI
16th Jul 2025263 PMAQI
16th Jul 2025254 PMAQI
16th Jul 2025275 PMAQI
16th Jul 2025246 PMAQI
16th Jul 2025217 PMAQI
16th Jul 2025298 PMAQI
16th Jul 2025429 PMAQI
16th Jul 20254110 PMAQI
16th Jul 20254111 PMAQI
17th Jul 20254212 AMAQI
17th Jul 2025471 AMAQI
17th Jul 2025512 AMAQI
17th Jul 2025513 AMAQI
28°C26/30°C
17th Jul 2025514 AMAQI
17th Jul 2025505 AMAQI
17th Jul 2025496 AMAQI
17th Jul 2025497 AMAQI
17th Jul 2025498 AMAQI
17th Jul 2025289 AMAQI
17th Jul 20252810 AMAQI
17th Jul 20253611 AMAQI
17th Jul 20253612 PMAQI
17th Jul 2025381 PMAQI
17th Jul 2025352 PMAQI
17th Jul 2025353 PMAQI
17th Jul 2025364 PMAQI
17th Jul 2025345 PMAQI
17th Jul 2025366 PMAQI
17th Jul 2025387 PMAQI
17th Jul 2025428 PMAQI
17th Jul 2025459 PMAQI
17th Jul 20254410 PMAQI
17th Jul 20254411 PMAQI
18th Jul 20254412 AMAQI
18th Jul 2025471 AMAQI
18th Jul 2025492 AMAQI
18th Jul 2025493 AMAQI
29°C27/32°C
18th Jul 2025484 AMAQI
18th Jul 2025465 AMAQI
18th Jul 2025456 AMAQI
18th Jul 2025457 AMAQI
18th Jul 2025458 AMAQI
18th Jul 2025329 AMAQI
18th Jul 20252710 AMAQI
18th Jul 20252811 AMAQI
18th Jul 20252712 PMAQI
18th Jul 2025271 PMAQI
18th Jul 2025282 PMAQI
18th Jul 2025293 PMAQI
18th Jul 2025344 PMAQI
18th Jul 2025315 PMAQI
18th Jul 2025306 PMAQI
18th Jul 2025287 PMAQI
18th Jul 2025328 PMAQI
18th Jul 2025389 PMAQI
18th Jul 20253910 PMAQI
18th Jul 20253911 PMAQI
19th Jul 20253912 AMAQI
19th Jul 2025421 AMAQI
19th Jul 2025472 AMAQI
19th Jul 2025473 AMAQI
29°C26/32°C
19th Jul 2025454 AMAQI
19th Jul 2025435 AMAQI
19th Jul 2025436 AMAQI
19th Jul 2025437 AMAQI
19th Jul 2025438 AMAQI
19th Jul 2025259 AMAQI
19th Jul 20252010 AMAQI
19th Jul 20252511 AMAQI
19th Jul 20252812 PMAQI
19th Jul 2025251 PMAQI
19th Jul 2025252 PMAQI
19th Jul 2025253 PMAQI
19th Jul 2025264 PMAQI
19th Jul 2025255 PMAQI
19th Jul 2025246 PMAQI
19th Jul 2025257 PMAQI
19th Jul 2025298 PMAQI
19th Jul 2025369 PMAQI
19th Jul 20253610 PMAQI
19th Jul 20253611 PMAQI
20th Jul 20253612 AMAQI
20th Jul 2025371 AMAQI
20th Jul 2025442 AMAQI
20th Jul 2025443 AMAQI
29°C26/33°C
20th Jul 2025424 AMAQI
20th Jul 2025415 AMAQI
20th Jul 2025416 AMAQI
20th Jul 2025417 AMAQI
20th Jul 2025418 AMAQI
20th Jul 2025319 AMAQI
20th Jul 20252310 AMAQI
20th Jul 20252611 AMAQI
20th Jul 20252712 PMAQI
20th Jul 2025271 PMAQI
20th Jul 2025292 PMAQI
20th Jul 2025303 PMAQI
20th Jul 2025294 PMAQI
20th Jul 2025275 PMAQI
20th Jul 2025286 PMAQI
20th Jul 2025307 PMAQI
20th Jul 2025338 PMAQI
20th Jul 2025359 PMAQI
20th Jul 20253510 PMAQI
20th Jul 20253611 PMAQI
21st Jul 20253512 AMAQI
21st Jul 2025371 AMAQI
21st Jul 2025412 AMAQI
21st Jul 2025403 AMAQI
30°C27/34°C
21st Jul 2025394 AMAQI
21st Jul 2025385 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025387 AMAQI
21st Jul 2025388 AMAQI
21st Jul 2025279 AMAQI
21st Jul 20252910 AMAQI
21st Jul 20253711 AMAQI
21st Jul 20254412 PMAQI
21st Jul 2025441 PMAQI
21st Jul 2025432 PMAQI
21st Jul 2025413 PMAQI
21st Jul 2025404 PMAQI
21st Jul 2025405 PMAQI
21st Jul 2025386 PMAQI
21st Jul 2025357 PMAQI
21st Jul 2025348 PMAQI
21st Jul 2025369 PMAQI
21st Jul 20253310 PMAQI
21st Jul 20253311 PMAQI
22nd Jul 20253312 AMAQI
22nd Jul 2025351 AMAQI
22nd Jul 2025382 AMAQI
22nd Jul 2025383 AMAQI
31°C28/35°C
22nd Jul 2025384 AMAQI
22nd Jul 2025385 AMAQI
22nd Jul 2025386 AMAQI
22nd Jul 2025387 AMAQI
22nd Jul 2025388 AMAQI
22nd Jul 2025299 AMAQI
22nd Jul 20253510 AMAQI
22nd Jul 20254311 AMAQI
22nd Jul 20254912 PMAQI
22nd Jul 2025501 PMAQI
22nd Jul 2025522 PMAQI
22nd Jul 2025543 PMAQI
22nd Jul 2025514 PMAQI
22nd Jul 2025475 PMAQI
22nd Jul 2025406 PMAQI
22nd Jul 2025397 PMAQI
22nd Jul 2025368 PMAQI
22nd Jul 2025359 PMAQI
22nd Jul 20253510 PMAQI
22nd Jul 20253511 PMAQI
23rd Jul 20253612 AMAQI
23rd Jul 2025371 AMAQI
23rd Jul 2025382 AMAQI
23rd Jul 2025373 AMAQI
31°C28/35°C
23rd Jul 2025384 AMAQI
23rd Jul 2025395 AMAQI
23rd Jul 2025396 AMAQI
23rd Jul 2025397 AMAQI
23rd Jul 2025398 AMAQI
23rd Jul 2025349 AMAQI
23rd Jul 20254410 AMAQI
23rd Jul 20255111 AMAQI
23rd Jul 20255412 PMAQI
23rd Jul 2025541 PMAQI
23rd Jul 2025552 PMAQI
23rd Jul 2025563 PMAQI
23rd Jul 2025534 PMAQI
23rd Jul 2025555 PMAQI
23rd Jul 2025506 PMAQI
23rd Jul 2025427 PMAQI
23rd Jul 2025368 PMAQI
23rd Jul 2025369 PMAQI
23rd Jul 20253610 PMAQI
23rd Jul 20253611 PMAQI
24th Jul 20253712 AMAQI
24th Jul 2025391 AMAQI
24th Jul 2025382 AMAQI
24th Jul 2025383 AMAQI
31°C28/35°C
24th Jul 2025394 AMAQI
24th Jul 2025415 AMAQI
24th Jul 2025406 AMAQI
24th Jul 2025407 AMAQI
24th Jul 2025418 AMAQI
24th Jul 2025429 AMAQI
24th Jul 20255010 AMAQI
24th Jul 20255511 AMAQI
24th Jul 20256012 PMAQI
24th Jul 2025591 PMAQI
24th Jul 2025632 PMAQI
24th Jul 2025643 PMAQI
24th Jul 2025614 PMAQI
24th Jul 2025595 PMAQI
24th Jul 2025486 PMAQI
24th Jul 2025357 PMAQI
24th Jul 2025338 PMAQI
24th Jul 2025359 PMAQI
24th Jul 20253710 PMAQI
24th Jul 20253711 PMAQI
25th Jul 20253712 AMAQI
25th Jul 2025371 AMAQI
25th Jul 2025382 AMAQI
25th Jul 2025383 AMAQI
32°C28/36°C
25th Jul 2025404 AMAQI
25th Jul 2025435 AMAQI
25th Jul 2025446 AMAQI
25th Jul 2025437 AMAQI
25th Jul 2025438 AMAQI
25th Jul 2025459 AMAQI
25th Jul 20255010 AMAQI
25th Jul 20255511 AMAQI
25th Jul 20255712 PMAQI
25th Jul 2025581 PMAQI
25th Jul 2025542 PMAQI
25th Jul 2025453 PMAQI
25th Jul 2025414 PMAQI
25th Jul 2025385 PMAQI
25th Jul 2025336 PMAQI
25th Jul 2025277 PMAQI
25th Jul 2025298 PMAQI
25th Jul 2025339 PMAQI
25th Jul 20253310 PMAQI
25th Jul 20253311 PMAQI
26th Jul 20253312 AMAQI
26th Jul 2025351 AMAQI
26th Jul 2025402 AMAQI
26th Jul 2025403 AMAQI
32°C29/36°C
26th Jul 2025414 AMAQI
26th Jul 2025445 AMAQI
26th Jul 2025436 AMAQI
26th Jul 2025447 AMAQI
26th Jul 2025438 AMAQI
26th Jul 2025399 AMAQI
26th Jul 20254710 AMAQI
26th Jul 20255711 AMAQI
26th Jul 20256112 PMAQI
26th Jul 2025541 PMAQI
26th Jul 2025472 PMAQI
26th Jul 2025463 PMAQI
26th Jul 2025444 PMAQI
26th Jul 2025355 PMAQI
26th Jul 2025286 PMAQI
26th Jul 2025317 PMAQI
26th Jul 2025328 PMAQI
26th Jul 2025339 PMAQI
26th Jul 20253310 PMAQI
26th Jul 20253411 PMAQI
27th Jul 20253212 AMAQI
27th Jul 2025351 AMAQI
27th Jul 2025392 AMAQI
27th Jul 2025393 AMAQI
32°C29/36°C
27th Jul 2025404 AMAQI
27th Jul 2025435 AMAQI
27th Jul 2025426 AMAQI
27th Jul 2025427 AMAQI
27th Jul 2025428 AMAQI
27th Jul 2025359 AMAQI
27th Jul 20253710 AMAQI
27th Jul 20255311 AMAQI
27th Jul 20255212 PMAQI
27th Jul 2025481 PMAQI
27th Jul 2025422 PMAQI
27th Jul 2025373 PMAQI
27th Jul 2025334 PMAQI
27th Jul 2025325 PMAQI
27th Jul 2025286 PMAQI
27th Jul 2025227 PMAQI
27th Jul 2025258 PMAQI
27th Jul 2025319 PMAQI
27th Jul 20253010 PMAQI
27th Jul 20253111 PMAQI
28th Jul 20253212 AMAQI
28th Jul 2025341 AMAQI
28th Jul 2025382 AMAQI
28th Jul 2025393 AMAQI
31°C29/36°C
28th Jul 2025394 AMAQI
28th Jul 2025405 AMAQI
28th Jul 2025406 AMAQI
28th Jul 2025407 AMAQI
28th Jul 2025408 AMAQI
28th Jul 2025299 AMAQI
28th Jul 20253210 AMAQI
28th Jul 20254411 AMAQI
28th Jul 20255012 PMAQI
28th Jul 2025521 PMAQI
28th Jul 2025562 PMAQI
28th Jul 2025573 PMAQI
28th Jul 2025604 PMAQI
28th Jul 2025585 PMAQI
28th Jul 2025546 PMAQI
28th Jul 2025527 PMAQI
28th Jul 2025448 PMAQI
28th Jul 2025369 PMAQI
28th Jul 20253410 PMAQI
28th Jul 20253511 PMAQI
29th Jul 20253412 AMAQI
29th Jul 2025351 AMAQI
29th Jul 2025382 AMAQI
29th Jul 2025373 AMAQI
32°C28/37°C
29th Jul 2025384 AMAQI
29th Jul 2025405 AMAQI
29th Jul 2025416 AMAQI
29th Jul 2025417 AMAQI
29th Jul 2025398 AMAQI
29th Jul 2025299 AMAQI
29th Jul 20253310 AMAQI
29th Jul 20254211 AMAQI
29th Jul 20254912 PMAQI
29th Jul 2025491 PMAQI
29th Jul 2025502 PMAQI
29th Jul 2025503 PMAQI
29th Jul 2025494 PMAQI
29th Jul 2025445 PMAQI
29th Jul 2025376 PMAQI
29th Jul 2025317 PMAQI
29th Jul 2025308 PMAQI
29th Jul 2025329 PMAQI
29th Jul 20253110 PMAQI
29th Jul 20253111 PMAQI
30th Jul 20253012 AMAQI
30th Jul 2025341 AMAQI
30th Jul 2025382 AMAQI
30th Jul 2025383 AMAQI
32°C28/38°C
30th Jul 2025384 AMAQI
30th Jul 2025395 AMAQI
30th Jul 2025396 AMAQI
30th Jul 2025397 AMAQI
30th Jul 2025398 AMAQI
30th Jul 2025239 AMAQI
30th Jul 20251910 AMAQI
30th Jul 20252411 AMAQI
30th Jul 20253012 PMAQI
30th Jul 2025331 PMAQI
30th Jul 2025352 PMAQI
30th Jul 2025313 PMAQI
30th Jul 2025284 PMAQI
30th Jul 2025275 PMAQI
30th Jul 2025306 PMAQI
30th Jul 2025337 PMAQI
30th Jul 2025358 PMAQI
30th Jul 2025369 PMAQI
30th Jul 20253610 PMAQI
30th Jul 20253611 PMAQI
31st Jul 20253612 AMAQI
31st Jul 2025361 AMAQI
31st Jul 2025362 AMAQI
31st Jul 2025363 AMAQI
31°C27/36°C
31st Jul 2025364 AMAQI
31st Jul 2025365 AMAQI
31st Jul 2025366 AMAQI
31st Jul 2025367 AMAQI
31st Jul 2025368 AMAQI
31st Jul 2025369 AMAQI
31st Jul 20253610 AMAQI
31st Jul 20254211 AMAQI
31st Jul 20254112 PMAQI
31st Jul 2025381 PMAQI
31st Jul 2025352 PMAQI
31st Jul 2025323 PMAQI
31st Jul 2025294 PMAQI
31st Jul 2025305 PMAQI
31st Jul 2025266 PMAQI
31st Jul 2025237 PMAQI
31st Jul 2025278 PMAQI
31st Jul 2025289 PMAQI
31st Jul 20253010 PMAQI
31st Jul 20252611 PMAQI
1st Aug 20252812 AMAQI
1st Aug 2025311 AMAQI
1st Aug 2025342 AMAQI
1st Aug 2025353 AMAQI
29°C26/34°C
1st Aug 2025364 AMAQI
1st Aug 2025345 AMAQI
1st Aug 2025376 AMAQI
1st Aug 2025367 AMAQI
1st Aug 2025368 AMAQI
1st Aug 2025349 AMAQI
1st Aug 20252910 AMAQI
1st Aug 20253911 AMAQI
1st Aug 20254012 PMAQI
1st Aug 2025351 PMAQI
1st Aug 2025362 PMAQI
1st Aug 2025323 PMAQI
1st Aug 2025394 PMAQI
1st Aug 2025315 PMAQI
1st Aug 2025346 PMAQI
1st Aug 2025237 PMAQI
1st Aug 2025288 PMAQI
1st Aug 2025279 PMAQI
1st Aug 20253010 PMAQI
1st Aug 20252611 PMAQI
2nd Aug 20252912 AMAQI
2nd Aug 2025301 AMAQI
2nd Aug 2025372 AMAQI
2nd Aug 2025373 AMAQI
29°C26/32°C
2nd Aug 2025374 AMAQI
2nd Aug 2025385 AMAQI
2nd Aug 2025396 AMAQI
2nd Aug 2025377 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025309 AMAQI
2nd Aug 20253410 AMAQI
2nd Aug 20254411 AMAQI
2nd Aug 20254012 PMAQI
2nd Aug 2025451 PMAQI
2nd Aug 2025562 PMAQI
2nd Aug 2025563 PMAQI
2nd Aug 2025524 PMAQI
2nd Aug 2025515 PMAQI
2nd Aug 2025556 PMAQI
2nd Aug 2025547 PMAQI
2nd Aug 2025398 PMAQI
2nd Aug 2025379 PMAQI
2nd Aug 20253610 PMAQI
2nd Aug 20254411 PMAQI
3rd Aug 20253412 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 2025386 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025388 AMAQI
3rd Aug 2025489 AMAQI
3rd Aug 20255310 AMAQI
3rd Aug 20255511 AMAQI
3rd Aug 20256012 PMAQI
3rd Aug 2025541 PMAQI
3rd Aug 2025582 PMAQI
3rd Aug 2025523 PMAQI
3rd Aug 2025494 PMAQI
3rd Aug 2025505 PMAQI
3rd Aug 2025536 PMAQI
3rd Aug 2025487 PMAQI
3rd Aug 2025478 PMAQI
3rd Aug 2025429 PMAQI
3rd Aug 20254510 PMAQI
3rd Aug 20254211 PMAQI
4th Aug 20254012 AMAQI
4th Aug 2025381 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025393 AMAQI
32°C28/37°C
4th Aug 2025424 AMAQI
4th Aug 2025435 AMAQI
4th Aug 2025436 AMAQI
4th Aug 2025437 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025629 AMAQI
4th Aug 20256610 AMAQI
4th Aug 20258211 AMAQI
4th Aug 20257912 PMAQI
4th Aug 2025901 PMAQI
4th Aug 2025942 PMAQI
4th Aug 2025853 PMAQI
4th Aug 2025884 PMAQI
4th Aug 2025905 PMAQI
4th Aug 2025776 PMAQI
4th Aug 2025767 PMAQI
4th Aug 2025678 PMAQI
4th Aug 2025599 PMAQI
4th Aug 20255610 PMAQI
4th Aug 20255011 PMAQI
5th Aug 20256312 AMAQI
5th Aug 2025441 AMAQI
5th Aug 2025422 AMAQI
5th Aug 2025403 AMAQI
33°C30/37°C
5th Aug 2025504 AMAQI
5th Aug 2025545 AMAQI
5th Aug 2025536 AMAQI
5th Aug 2025527 AMAQI
5th Aug 2025548 AMAQI
5th Aug 2025579 AMAQI
5th Aug 20256310 AMAQI
5th Aug 20256011 AMAQI
5th Aug 20256312 PMAQI
5th Aug 2025581 PMAQI
5th Aug 2025542 PMAQI
5th Aug 2025563 PMAQI
5th Aug 2025614 PMAQI
5th Aug 2025545 PMAQI
5th Aug 2025516 PMAQI
5th Aug 2025487 PMAQI
5th Aug 2025508 PMAQI
5th Aug 2025499 PMAQI
5th Aug 20254910 PMAQI
5th Aug 20254711 PMAQI
6th Aug 20254612 AMAQI
6th Aug 2025491 AMAQI
6th Aug 2025502 AMAQI
6th Aug 2025493 AMAQI
34°C30/39°C
6th Aug 2025524 AMAQI
4 AM6th Aug 2025535 AMAQI
6th Aug 2025526 AMAQI
6th Aug 2025527 AMAQI
6th Aug 2025538 AMAQI
6th Aug 2025489 AMAQI
6th Aug 20254410 AMAQI
6th Aug 20254711 AMAQI
11 AM6th Aug 20255612 PMAQI
6th Aug 2025531 PMAQI
6th Aug 2025552 PMAQI
6th Aug 2025523 PMAQI
6th Aug 2025524 PMAQI
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
11 AM - 6 PM
49AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
9 AM - 10 AM
45AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 6 PM (Avg. 49), while the lowest AQI was between 9 AM to 10 AM (Avg. 45).
Night time
Avg. Highest Time
12 AM - 3 AM
46AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM - 11 PM
43AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 46), while the lowest AQI was between 7 PM to 11 PM (Avg. 43).
2025 Days Vs Air Quality
Kawaguchi, Saitama, Japan
2025
94%
202
6%
14
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Good
202 DaysModerate
14 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2025, 94% of 218 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
Kawaguchi, Saitama, 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
30AQI
30AQI
2nd January 2025
29AQI
29AQI
3rd January 2025
24AQI
24AQI
4th January 2025
28AQI
28AQI
5th January 2025
29AQI
29AQI
6th January 2025
40AQI
40AQI
7th January 2025
28AQI
28AQI
8th January 2025
30AQI
30AQI
9th January 2025
28AQI
28AQI
10th January 2025
27AQI
27AQI
11th January 2025
27AQI
27AQI
12th January 2025
34AQI
34AQI
13th January 2025
30AQI
30AQI
14th January 2025
35AQI
35AQI
15th January 2025
34AQI
34AQI
16th January 2025
29AQI
29AQI
17th January 2025
31AQI
31AQI
18th January 2025
31AQI
31AQI
19th January 2025
40AQI
40AQI
20th January 2025
37AQI
37AQI
21st January 2025
38AQI
38AQI
22nd January 2025
37AQI
37AQI
23rd January 2025
42AQI
42AQI
24th January 2025
41AQI
41AQI
25th January 2025
39AQI
39AQI
26th January 2025
34AQI
34AQI
27th January 2025
32AQI
32AQI
28th January 2025
36AQI
36AQI
29th January 2025
29AQI
29AQI
30th January 2025
32AQI
32AQI
31st January 2025
28AQI
28AQI
1st February 2025
36AQI
36AQI
2nd February 2025
33AQI
33AQI
3rd February 2025
34AQI
34AQI
4th February 2025
31AQI
31AQI
5th February 2025
30AQI
30AQI
6th February 2025
27AQI
27AQI
7th February 2025
29AQI
29AQI
8th February 2025
29AQI
29AQI
9th February 2025
29AQI
29AQI
10th February 2025
26AQI
26AQI
11th February 2025
30AQI
30AQI
12th February 2025
34AQI
34AQI
13th February 2025
34AQI
34AQI
14th February 2025
31AQI
31AQI
15th February 2025
32AQI
32AQI
16th February 2025
37AQI
37AQI
17th February 2025
36AQI
36AQI
18th February 2025
32AQI
32AQI
19th February 2025
31AQI
31AQI
20th February 2025
30AQI
30AQI
21st February 2025
29AQI
29AQI
22nd February 2025
31AQI
31AQI
23rd February 2025
31AQI
31AQI
24th February 2025
32AQI
32AQI
25th February 2025
33AQI
33AQI
26th February 2025
36AQI
36AQI
27th February 2025
39AQI
39AQI
28th February 2025
47AQI
47AQI
1st March 2025
48AQI
48AQI
2nd March 2025
54AQI
54AQI
3rd March 2025
37AQI
37AQI
4th March 2025
36AQI
36AQI
5th March 2025
26AQI
26AQI
6th March 2025
33AQI
33AQI
7th March 2025
31AQI
31AQI
8th March 2025
35AQI
35AQI
9th March 2025
35AQI
35AQI
10th March 2025
35AQI
35AQI
11th March 2025
36AQI
36AQI
12th March 2025
43AQI
43AQI
13th March 2025
40AQI
40AQI
14th March 2025
34AQI
34AQI
15th March 2025
31AQI
31AQI
16th March 2025
24AQI
24AQI
17th March 2025
19AQI
19AQI
18th March 2025
22AQI
22AQI
19th March 2025
16AQI
16AQI
20th March 2025
22AQI
22AQI
21st March 2025
34AQI
34AQI
22nd March 2025
41AQI
41AQI
23rd March 2025
43AQI
43AQI
24th March 2025
43AQI
43AQI
25th March 2025
62AQI
62AQI
26th March 2025
70AQI
70AQI
27th March 2025
65AQI
65AQI
28th March 2025
43AQI
43AQI
29th March 2025
35AQI
35AQI
30th March 2025
37AQI
37AQI
31st March 2025
31AQI
31AQI
1st April 2025
26AQI
26AQI
2nd April 2025
21AQI
21AQI
3rd April 2025
20AQI
20AQI
4th April 2025
20AQI
20AQI
5th April 2025
24AQI
24AQI
6th April 2025
19AQI
19AQI
7th April 2025
23AQI
23AQI
8th April 2025
27AQI
27AQI
9th April 2025
23AQI
23AQI
10th April 2025
33AQI
33AQI
11th April 2025
31AQI
31AQI
12th April 2025
30AQI
30AQI
13th April 2025
25AQI
25AQI
14th April 2025
30AQI
30AQI
15th April 2025
25AQI
25AQI
16th April 2025
22AQI
22AQI
17th April 2025
31AQI
31AQI
18th April 2025
38AQI
38AQI
19th April 2025
46AQI
46AQI
20th April 2025
36AQI
36AQI
21st April 2025
34AQI
34AQI
22nd April 2025
32AQI
32AQI
23rd April 2025
23AQI
23AQI
24th April 2025
30AQI
30AQI
25th April 2025
32AQI
32AQI
26th April 2025
34AQI
34AQI
27th April 2025
35AQI
35AQI
28th April 2025
32AQI
32AQI
29th April 2025
25AQI
25AQI
30th April 2025
31AQI
31AQI
1st May 2025
29AQI
29AQI
2nd May 2025
24AQI
24AQI
3rd May 2025
24AQI
24AQI
4th May 2025
29AQI
29AQI
5th May 2025
26AQI
26AQI
6th May 2025
23AQI
23AQI
7th May 2025
19AQI
19AQI
8th May 2025
23AQI
23AQI
9th May 2025
24AQI
24AQI
10th May 2025
19AQI
19AQI
11th May 2025
20AQI
20AQI
12th May 2025
20AQI
20AQI
13th May 2025
26AQI
26AQI
14th May 2025
26AQI
26AQI
15th May 2025
28AQI
28AQI
16th May 2025
31AQI
31AQI
17th May 2025
22AQI
22AQI
18th May 2025
32AQI
32AQI
19th May 2025
32AQI
32AQI
20th May 2025
47AQI
47AQI
21st May 2025
41AQI
41AQI
22nd May 2025
33AQI
33AQI
23rd May 2025
33AQI
33AQI
24th May 2025
30AQI
30AQI
25th May 2025
24AQI
24AQI
26th May 2025
24AQI
24AQI
27th May 2025
21AQI
21AQI
28th May 2025
20AQI
20AQI
29th May 2025
24AQI
24AQI
30th May 2025
21AQI
21AQI
31st May 2025
16AQI
16AQI
1st June 2025
19AQI
19AQI
2nd June 2025
24AQI
24AQI
3rd June 2025
26AQI
26AQI
4th June 2025
23AQI
23AQI
5th June 2025
30AQI
30AQI
6th June 2025
32AQI
32AQI
7th June 2025
33AQI
33AQI
8th June 2025
41AQI
41AQI
9th June 2025
34AQI
34AQI
10th June 2025
30AQI
30AQI
11th June 2025
27AQI
27AQI
12th June 2025
31AQI
31AQI
13th June 2025
31AQI
31AQI
14th June 2025
26AQI
26AQI
15th June 2025
25AQI
25AQI
16th June 2025
26AQI
26AQI
17th June 2025
37AQI
37AQI
18th June 2025
33AQI
33AQI
19th June 2025
33AQI
33AQI
20th June 2025
32AQI
32AQI
21st June 2025
26AQI
26AQI
22nd June 2025
18AQI
18AQI
23rd June 2025
18AQI
18AQI
24th June 2025
18AQI
18AQI
25th June 2025
18AQI
18AQI
26th June 2025
18AQI
18AQI
27th June 2025
23AQI
23AQI
28th June 2025
23AQI
23AQI
29th June 2025
27AQI
27AQI
30th June 2025
38AQI
38AQI
1st July 2025
40AQI
40AQI
2nd July 2025
43AQI
43AQI
3rd July 2025
44AQI
44AQI
4th July 2025
47AQI
47AQI
5th July 2025
51AQI
51AQI
6th July 2025
64AQI
64AQI
7th July 2025
79AQI
79AQI
8th July 2025
79AQI
79AQI
9th July 2025
83AQI
83AQI
10th July 2025
63AQI
63AQI
11th July 2025
51AQI
51AQI
12th July 2025
53AQI
53AQI
13th July 2025
53AQI
53AQI
14th July 2025
43AQI
43AQI
15th July 2025
43AQI
43AQI
16th July 2025
40AQI
40AQI
17th July 2025
42AQI
42AQI
18th July 2025
38AQI
38AQI
19th July 2025
34AQI
34AQI
20th July 2025
34AQI
34AQI
21st July 2025
37AQI
37AQI
22nd July 2025
39AQI
39AQI
23rd July 2025
42AQI
42AQI
24th July 2025
44AQI
44AQI
25th July 2025
40AQI
40AQI
26th July 2025
40AQI
40AQI
27th July 2025
36AQI
36AQI
28th July 2025
42AQI
42AQI
29th July 2025
38AQI
38AQI
30th July 2025
33AQI
33AQI
31st July 2025
33AQI
33AQI
1st August 2025
32AQI
32AQI
2nd August 2025
41AQI
41AQI
3rd August 2025
45AQI
45AQI
4th August 2025
58AQI
58AQI
33AQI
32AQI
37AQI
29AQI
26AQI
27AQI
47AQI
44AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202533AQI
31
28
27
4
30
31
30
22
9
3
1
202
14
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
May26AQI
202437AQI
29
2
28
1
27
4
24
6
28
3
28
2
21
10
30
1
27
3
30
1
28
2
31
331
35
Highest AQI recorded in
July46AQI
Lowest AQI recorded in
December30AQI
202337AQI
28
3
26
2
26
5
23
7
28
3
26
4
28
3
31
30
31
24
5
31
332
32
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
August25AQI
202237AQI
31
19
2
27
4
26
4
24
7
22
8
21
3
1
28
31
30
31
291
28
Highest AQI recorded in
June44AQI
Lowest AQI recorded in
August23AQI
202129AQI
30
1
28
28
3
30
28
3
27
3
30
1
29
2
30
30
1
30
30
1
350
15
Highest AQI recorded in
June35AQI
Lowest AQI recorded in
February19AQI
202024AQI
13
21
18
28
2
31
30
1
19
31
28
2
31
250
5
Highest AQI recorded in
August29AQI
Lowest AQI recorded in
September18AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
37AQILeast Polluted Year Recorded
2020(Avg.)
24AQIKawaguchi's annual 2025 AQI (33) shows an average percentage change of 5.4% (worsened AQI) compared to previous years: 2020 (24), 2021 (29), 2022 (37), 2023 (37), 2024 (37).
