Nishiarai, 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
Nishiarai, Kawaguchi, Saitama, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
62AQILowest AQI recorded on
13th Aug 2023
10AQISame Day Analysis (6th 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
Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Nishiarai, Kawaguchi, Saitama, Japan
AQI
Day
Night
.
4 AM6th Aug 2025
6 PM
3 AM7th Aug 2025
Day time
Avg. Highest Time
5PM6th Aug
59AQI
Avg. Lowest Time
10AM6th Aug
42AQI
Night time
Avg. Highest Time
7PM6th Aug
56AQI
Avg. Lowest Time
9PM6th Aug
45AQI
In the last 24 hours,
Nishiarai's AQI reached its highest point of 59 at 5 PM during the Day, while the lowest point, 42, was recorded at 10 AM during the Day between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Nishiarai, Kawaguchi, Saitama, Japan
JulAug
08th - 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 - 07th07th
Day
Night
8th Jul 2025604 AMAQI
8th Jul 2025665 AMAQI
8th Jul 2025676 AMAQI
8th Jul 2025667 AMAQI
8th Jul 2025678 AMAQI
8th Jul 20251109 AMAQI
8th Jul 202512110 AMAQI
8th Jul 202511211 AMAQI
8th Jul 202510412 PMAQI
8th Jul 2025901 PMAQI
8th Jul 2025772 PMAQI
8th Jul 2025793 PMAQI
8th Jul 2025834 PMAQI
8th Jul 2025905 PMAQI
8th Jul 2025886 PMAQI
8th Jul 2025867 PMAQI
8th Jul 2025828 PMAQI
8th Jul 2025779 PMAQI
8th Jul 20258010 PMAQI
8th Jul 20258111 PMAQI
9th Jul 20258412 AMAQI
9th Jul 2025791 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 202512210 AMAQI
9th Jul 202513211 AMAQI
9th Jul 202512812 PMAQI
9th Jul 20251071 PMAQI
9th Jul 20251012 PMAQI
9th Jul 20251073 PMAQI
9th Jul 20251094 PMAQI
9th Jul 20251015 PMAQI
9th Jul 2025976 PMAQI
9th Jul 2025847 PMAQI
9th Jul 2025678 PMAQI
9th Jul 2025629 PMAQI
9th Jul 20256010 PMAQI
9th Jul 20256011 PMAQI
10th Jul 20256012 AMAQI
10th Jul 2025621 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 2025469 AMAQI
10th Jul 20254610 AMAQI
10th Jul 20256111 AMAQI
10th Jul 20256712 PMAQI
10th Jul 2025641 PMAQI
10th Jul 2025572 PMAQI
10th Jul 2025493 PMAQI
10th Jul 2025444 PMAQI
10th Jul 2025485 PMAQI
10th Jul 2025426 PMAQI
10th Jul 2025497 PMAQI
10th Jul 2025568 PMAQI
10th Jul 2025609 PMAQI
10th Jul 20255810 PMAQI
10th Jul 20255611 PMAQI
11th Jul 20255712 AMAQI
11th Jul 2025621 AMAQI
11th Jul 2025712 AMAQI
11th Jul 2025703 AMAQI
29°C23/35°C
11th Jul 2025704 AMAQI
11th Jul 2025685 AMAQI
11th Jul 2025696 AMAQI
11th Jul 2025687 AMAQI
11th Jul 2025698 AMAQI
11th Jul 2025309 AMAQI
11th Jul 20251810 AMAQI
11th Jul 20252011 AMAQI
11th Jul 20252212 PMAQI
11th Jul 2025241 PMAQI
11th Jul 2025332 PMAQI
11th Jul 2025323 PMAQI
11th Jul 2025284 PMAQI
11th Jul 2025285 PMAQI
11th Jul 2025336 PMAQI
11th Jul 2025297 PMAQI
11th Jul 2025388 PMAQI
11th Jul 2025579 PMAQI
11th Jul 20255610 PMAQI
11th Jul 20255611 PMAQI
12th Jul 20255512 AMAQI
12th Jul 2025581 AMAQI
12th Jul 2025662 AMAQI
12th Jul 2025663 AMAQI
24°C22/27°C
12th Jul 2025644 AMAQI
12th Jul 2025615 AMAQI
12th Jul 2025606 AMAQI
12th Jul 2025607 AMAQI
12th Jul 2025618 AMAQI
12th Jul 2025419 AMAQI
12th Jul 20253610 AMAQI
12th Jul 20254311 AMAQI
12th Jul 20254912 PMAQI
12th Jul 2025481 PMAQI
12th Jul 2025432 PMAQI
12th Jul 2025443 PMAQI
12th Jul 2025454 PMAQI
12th Jul 2025445 PMAQI
12th Jul 2025396 PMAQI
12th Jul 2025397 PMAQI
12th Jul 2025428 PMAQI
12th Jul 2025539 PMAQI
12th Jul 20255310 PMAQI
12th Jul 20255211 PMAQI
13th Jul 20255312 AMAQI
13th Jul 2025551 AMAQI
13th Jul 2025612 AMAQI
13th Jul 2025613 AMAQI
25°C22/29°C
13th Jul 2025614 AMAQI
13th Jul 2025585 AMAQI
13th Jul 2025596 AMAQI
13th Jul 2025597 AMAQI
13th Jul 2025588 AMAQI
13th Jul 2025469 AMAQI
13th Jul 20253810 AMAQI
13th Jul 20254411 AMAQI
13th Jul 20255112 PMAQI
13th Jul 2025511 PMAQI
13th Jul 2025512 PMAQI
13th Jul 2025463 PMAQI
13th Jul 2025464 PMAQI
13th Jul 2025515 PMAQI
13th Jul 2025516 PMAQI
13th Jul 2025437 PMAQI
13th Jul 2025318 PMAQI
13th Jul 2025479 PMAQI
13th Jul 20254510 PMAQI
13th Jul 20254711 PMAQI
14th Jul 20254812 AMAQI
14th Jul 2025501 AMAQI
14th Jul 2025582 AMAQI
14th Jul 2025583 AMAQI
27°C24/31°C
14th Jul 2025584 AMAQI
14th Jul 2025565 AMAQI
14th Jul 2025576 AMAQI
14th Jul 2025567 AMAQI
14th Jul 2025568 AMAQI
14th Jul 2025359 AMAQI
14th Jul 20252310 AMAQI
14th Jul 20252211 AMAQI
14th Jul 20252712 PMAQI
14th Jul 2025251 PMAQI
14th Jul 2025222 PMAQI
14th Jul 2025223 PMAQI
14th Jul 2025314 PMAQI
14th Jul 2025305 PMAQI
14th Jul 2025276 PMAQI
14th Jul 2025277 PMAQI
14th Jul 2025338 PMAQI
14th Jul 2025459 PMAQI
14th Jul 20254310 PMAQI
14th Jul 20254611 PMAQI
15th Jul 20254712 AMAQI
15th Jul 2025501 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025553 AMAQI
26°C25/29°C
15th Jul 2025554 AMAQI
15th Jul 2025535 AMAQI
15th Jul 2025536 AMAQI
15th Jul 2025537 AMAQI
15th Jul 2025538 AMAQI
15th Jul 2025369 AMAQI
15th Jul 20252610 AMAQI
15th Jul 20252511 AMAQI
15th Jul 20253112 PMAQI
15th Jul 2025321 PMAQI
15th Jul 2025262 PMAQI
15th Jul 2025333 PMAQI
15th Jul 2025334 PMAQI
15th Jul 2025295 PMAQI
15th Jul 2025326 PMAQI
15th Jul 2025347 PMAQI
15th Jul 2025278 PMAQI
15th Jul 2025349 PMAQI
15th Jul 20253610 PMAQI
15th Jul 20253911 PMAQI
16th Jul 20254512 AMAQI
16th Jul 2025501 AMAQI
16th Jul 2025532 AMAQI
16th Jul 2025533 AMAQI
27°C26/30°C
16th Jul 2025524 AMAQI
16th Jul 2025515 AMAQI
16th Jul 2025516 AMAQI
16th Jul 2025517 AMAQI
16th Jul 2025528 AMAQI
16th Jul 2025539 AMAQI
16th Jul 20254910 AMAQI
16th Jul 20253511 AMAQI
16th Jul 20253012 PMAQI
16th Jul 2025261 PMAQI
16th Jul 2025282 PMAQI
16th Jul 2025263 PMAQI
16th Jul 2025244 PMAQI
16th Jul 2025255 PMAQI
16th Jul 2025246 PMAQI
16th Jul 2025177 PMAQI
16th Jul 2025258 PMAQI
16th Jul 2025409 PMAQI
16th Jul 20254010 PMAQI
16th Jul 20253911 PMAQI
17th Jul 20254012 AMAQI
17th Jul 2025451 AMAQI
17th Jul 2025502 AMAQI
17th Jul 2025513 AMAQI
28°C26/30°C
17th Jul 2025504 AMAQI
17th Jul 2025485 AMAQI
17th Jul 2025486 AMAQI
17th Jul 2025487 AMAQI
17th Jul 2025488 AMAQI
17th Jul 2025289 AMAQI
17th Jul 20252910 AMAQI
17th Jul 20254011 AMAQI
17th Jul 20254812 PMAQI
17th Jul 2025441 PMAQI
17th Jul 2025402 PMAQI
17th Jul 2025373 PMAQI
17th Jul 2025424 PMAQI
17th Jul 2025365 PMAQI
17th Jul 2025386 PMAQI
17th Jul 2025427 PMAQI
17th Jul 2025428 PMAQI
17th Jul 2025459 PMAQI
17th Jul 20254510 PMAQI
17th Jul 20254611 PMAQI
18th Jul 20254512 AMAQI
18th Jul 2025461 AMAQI
18th Jul 2025482 AMAQI
18th Jul 2025483 AMAQI
29°C27/32°C
18th Jul 2025484 AMAQI
18th Jul 2025465 AMAQI
18th Jul 2025466 AMAQI
18th Jul 2025467 AMAQI
18th Jul 2025468 AMAQI
18th Jul 2025349 AMAQI
18th Jul 20253010 AMAQI
18th Jul 20253011 AMAQI
18th Jul 20253512 PMAQI
18th Jul 2025291 PMAQI
18th Jul 2025302 PMAQI
18th Jul 2025333 PMAQI
18th Jul 2025424 PMAQI
18th Jul 2025295 PMAQI
18th Jul 2025266 PMAQI
18th Jul 2025237 PMAQI
18th Jul 2025308 PMAQI
18th Jul 2025339 PMAQI
18th Jul 20253910 PMAQI
18th Jul 20253811 PMAQI
19th Jul 20253812 AMAQI
19th Jul 2025381 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025463 AMAQI
28°C26/32°C
19th Jul 2025464 AMAQI
19th Jul 2025435 AMAQI
19th Jul 2025426 AMAQI
19th Jul 2025437 AMAQI
19th Jul 2025438 AMAQI
19th Jul 2025269 AMAQI
19th Jul 20251910 AMAQI
19th Jul 20252611 AMAQI
19th Jul 20253012 PMAQI
19th Jul 2025281 PMAQI
19th Jul 2025292 PMAQI
19th Jul 2025283 PMAQI
19th Jul 2025284 PMAQI
19th Jul 2025245 PMAQI
19th Jul 2025226 PMAQI
19th Jul 2025257 PMAQI
19th Jul 2025308 PMAQI
19th Jul 2025359 PMAQI
19th Jul 20253610 PMAQI
19th Jul 20253611 PMAQI
20th Jul 20253512 AMAQI
20th Jul 2025361 AMAQI
20th Jul 2025432 AMAQI
20th Jul 2025433 AMAQI
29°C26/33°C
20th Jul 2025424 AMAQI
20th Jul 2025405 AMAQI
20th Jul 2025406 AMAQI
20th Jul 2025407 AMAQI
20th Jul 2025408 AMAQI
20th Jul 2025299 AMAQI
20th Jul 20252210 AMAQI
20th Jul 20252211 AMAQI
20th Jul 20253212 PMAQI
20th Jul 2025311 PMAQI
20th Jul 2025282 PMAQI
20th Jul 2025293 PMAQI
20th Jul 2025304 PMAQI
20th Jul 2025265 PMAQI
20th Jul 2025286 PMAQI
20th Jul 2025347 PMAQI
20th Jul 2025358 PMAQI
20th Jul 2025349 PMAQI
20th Jul 20253410 PMAQI
20th Jul 20253611 PMAQI
21st Jul 20253612 AMAQI
21st Jul 2025371 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025403 AMAQI
30°C27/34°C
21st Jul 2025384 AMAQI
21st Jul 2025385 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025377 AMAQI
21st Jul 2025378 AMAQI
21st Jul 2025289 AMAQI
21st Jul 20252810 AMAQI
21st Jul 20253711 AMAQI
21st Jul 20254812 PMAQI
21st Jul 2025501 PMAQI
21st Jul 2025442 PMAQI
21st Jul 2025393 PMAQI
21st Jul 2025404 PMAQI
21st Jul 2025425 PMAQI
21st Jul 2025386 PMAQI
21st Jul 2025387 PMAQI
21st Jul 2025358 PMAQI
21st Jul 2025349 PMAQI
21st Jul 20253610 PMAQI
21st Jul 20253211 PMAQI
22nd Jul 20253312 AMAQI
22nd Jul 2025341 AMAQI
22nd Jul 2025382 AMAQI
22nd Jul 2025383 AMAQI
31°C27/35°C
22nd Jul 2025384 AMAQI
22nd Jul 2025385 AMAQI
22nd Jul 2025386 AMAQI
22nd Jul 2025387 AMAQI
22nd Jul 2025388 AMAQI
22nd Jul 2025279 AMAQI
22nd Jul 20253410 AMAQI
22nd Jul 20254411 AMAQI
22nd Jul 20255412 PMAQI
22nd Jul 2025511 PMAQI
22nd Jul 2025502 PMAQI
22nd Jul 2025563 PMAQI
22nd Jul 2025534 PMAQI
22nd Jul 2025485 PMAQI
22nd Jul 2025426 PMAQI
22nd Jul 2025367 PMAQI
22nd Jul 2025318 PMAQI
22nd Jul 2025319 PMAQI
22nd Jul 20253110 PMAQI
22nd Jul 20253211 PMAQI
23rd Jul 20253412 AMAQI
23rd Jul 2025371 AMAQI
23rd Jul 2025382 AMAQI
23rd Jul 2025383 AMAQI
31°C28/35°C
23rd Jul 2025384 AMAQI
23rd Jul 2025395 AMAQI
23rd Jul 2025386 AMAQI
23rd Jul 2025397 AMAQI
23rd Jul 2025398 AMAQI
23rd Jul 2025329 AMAQI
23rd Jul 20254310 AMAQI
23rd Jul 20255211 AMAQI
23rd Jul 20255412 PMAQI
23rd Jul 2025561 PMAQI
23rd Jul 2025542 PMAQI
23rd Jul 2025543 PMAQI
23rd Jul 2025544 PMAQI
23rd Jul 2025545 PMAQI
23rd Jul 2025526 PMAQI
23rd Jul 2025457 PMAQI
23rd Jul 2025328 PMAQI
23rd Jul 2025319 PMAQI
23rd Jul 20253310 PMAQI
23rd Jul 20253011 PMAQI
24th Jul 20253212 AMAQI
24th Jul 2025351 AMAQI
24th Jul 2025382 AMAQI
24th Jul 2025383 AMAQI
31°C27/35°C
24th Jul 2025394 AMAQI
24th Jul 2025415 AMAQI
24th Jul 2025406 AMAQI
24th Jul 2025417 AMAQI
24th Jul 2025418 AMAQI
24th Jul 2025409 AMAQI
24th Jul 20255010 AMAQI
24th Jul 20255511 AMAQI
24th Jul 20256112 PMAQI
24th Jul 2025601 PMAQI
24th Jul 2025612 PMAQI
24th Jul 2025643 PMAQI
24th Jul 2025664 PMAQI
24th Jul 2025615 PMAQI
24th Jul 2025526 PMAQI
24th Jul 2025407 PMAQI
24th Jul 2025348 PMAQI
24th Jul 2025359 PMAQI
24th Jul 20253810 PMAQI
24th Jul 20253511 PMAQI
25th Jul 20253812 AMAQI
25th Jul 2025351 AMAQI
25th Jul 2025372 AMAQI
25th Jul 2025383 AMAQI
31°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 2025429 AMAQI
25th Jul 20255410 AMAQI
25th Jul 20255611 AMAQI
25th Jul 20256012 PMAQI
25th Jul 2025561 PMAQI
25th Jul 2025522 PMAQI
25th Jul 2025483 PMAQI
25th Jul 2025484 PMAQI
25th Jul 2025445 PMAQI
25th Jul 2025306 PMAQI
25th Jul 2025287 PMAQI
25th Jul 2025298 PMAQI
25th Jul 2025349 PMAQI
25th Jul 20253310 PMAQI
25th Jul 20253311 PMAQI
26th Jul 20253212 AMAQI
26th Jul 2025341 AMAQI
26th Jul 2025402 AMAQI
26th Jul 2025403 AMAQI
31°C29/35°C
26th Jul 2025414 AMAQI
26th Jul 2025445 AMAQI
26th Jul 2025446 AMAQI
26th Jul 2025447 AMAQI
26th Jul 2025448 AMAQI
26th Jul 2025369 AMAQI
26th Jul 20254510 AMAQI
26th Jul 20255611 AMAQI
26th Jul 20256012 PMAQI
26th Jul 2025551 PMAQI
26th Jul 2025442 PMAQI
26th Jul 2025483 PMAQI
26th Jul 2025484 PMAQI
26th Jul 2025415 PMAQI
26th Jul 2025296 PMAQI
26th Jul 2025327 PMAQI
26th Jul 2025318 PMAQI
26th Jul 2025349 PMAQI
26th Jul 20253410 PMAQI
26th Jul 20253711 PMAQI
27th Jul 20253312 AMAQI
27th Jul 2025351 AMAQI
27th Jul 2025382 AMAQI
27th Jul 2025393 AMAQI
31°C29/35°C
27th Jul 2025404 AMAQI
27th Jul 2025425 AMAQI
27th Jul 2025426 AMAQI
27th Jul 2025427 AMAQI
27th Jul 2025428 AMAQI
27th Jul 2025349 AMAQI
27th Jul 20253710 AMAQI
27th Jul 20255211 AMAQI
27th Jul 20255412 PMAQI
27th Jul 2025501 PMAQI
27th Jul 2025362 PMAQI
27th Jul 2025393 PMAQI
27th Jul 2025374 PMAQI
27th Jul 2025365 PMAQI
27th Jul 2025306 PMAQI
27th Jul 2025257 PMAQI
27th Jul 2025278 PMAQI
27th Jul 2025349 PMAQI
27th Jul 20252910 PMAQI
27th Jul 20253111 PMAQI
28th Jul 20253212 AMAQI
28th Jul 2025351 AMAQI
28th Jul 2025382 AMAQI
28th Jul 2025383 AMAQI
31°C28/35°C
28th Jul 2025384 AMAQI
28th Jul 2025385 AMAQI
28th Jul 2025406 AMAQI
28th Jul 2025407 AMAQI
28th Jul 2025398 AMAQI
28th Jul 2025299 AMAQI
28th Jul 20253110 AMAQI
28th Jul 20254211 AMAQI
28th Jul 20255312 PMAQI
28th Jul 2025541 PMAQI
28th Jul 2025562 PMAQI
28th Jul 2025603 PMAQI
28th Jul 2025654 PMAQI
28th Jul 2025615 PMAQI
28th Jul 2025546 PMAQI
28th Jul 2025547 PMAQI
28th Jul 2025488 PMAQI
28th Jul 2025399 PMAQI
28th Jul 20253610 PMAQI
28th Jul 20253411 PMAQI
29th Jul 20253512 AMAQI
29th Jul 2025341 AMAQI
29th Jul 2025372 AMAQI
29th Jul 2025373 AMAQI
31°C28/37°C
29th Jul 2025384 AMAQI
29th Jul 2025405 AMAQI
29th Jul 2025406 AMAQI
29th Jul 2025407 AMAQI
29th Jul 2025398 AMAQI
29th Jul 2025299 AMAQI
29th Jul 20253110 AMAQI
29th Jul 20254011 AMAQI
29th Jul 20255012 PMAQI
29th Jul 2025541 PMAQI
29th Jul 2025542 PMAQI
29th Jul 2025543 PMAQI
29th Jul 2025524 PMAQI
29th Jul 2025425 PMAQI
29th Jul 2025356 PMAQI
29th Jul 2025257 PMAQI
29th Jul 2025288 PMAQI
29th Jul 2025289 PMAQI
29th Jul 20252710 PMAQI
29th Jul 20252811 PMAQI
30th Jul 20252612 AMAQI
30th Jul 2025301 AMAQI
30th Jul 2025382 AMAQI
30th Jul 2025383 AMAQI
32°C27/38°C
30th Jul 2025384 AMAQI
30th Jul 2025395 AMAQI
30th Jul 2025396 AMAQI
30th Jul 2025397 AMAQI
30th Jul 2025408 AMAQI
30th Jul 2025239 AMAQI
30th Jul 20251510 AMAQI
30th Jul 20252211 AMAQI
30th Jul 20252712 PMAQI
30th Jul 2025281 PMAQI
30th Jul 2025332 PMAQI
30th Jul 2025283 PMAQI
30th Jul 2025304 PMAQI
30th Jul 2025275 PMAQI
30th Jul 2025246 PMAQI
30th Jul 2025327 PMAQI
30th Jul 2025348 PMAQI
30th Jul 2025359 PMAQI
30th Jul 20253510 PMAQI
30th Jul 20253511 PMAQI
31st Jul 20253412 AMAQI
31st Jul 2025351 AMAQI
31st Jul 2025362 AMAQI
31st Jul 2025363 AMAQI
30°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 20254411 AMAQI
31st Jul 20254312 PMAQI
31st Jul 2025431 PMAQI
31st Jul 2025342 PMAQI
31st Jul 2025353 PMAQI
31st Jul 2025364 PMAQI
31st Jul 2025285 PMAQI
31st Jul 2025216 PMAQI
31st Jul 2025227 PMAQI
31st Jul 2025278 PMAQI
31st Jul 2025299 PMAQI
31st Jul 20253010 PMAQI
31st Jul 20252611 PMAQI
1st Aug 20252712 AMAQI
1st Aug 2025291 AMAQI
1st Aug 2025352 AMAQI
1st Aug 2025363 AMAQI
29°C25/34°C
1st Aug 2025364 AMAQI
1st Aug 2025345 AMAQI
1st Aug 2025396 AMAQI
1st Aug 2025377 AMAQI
1st Aug 2025368 AMAQI
1st Aug 2025309 AMAQI
1st Aug 20253210 AMAQI
1st Aug 20253511 AMAQI
1st Aug 20253512 PMAQI
1st Aug 2025301 PMAQI
1st Aug 2025362 PMAQI
1st Aug 2025363 PMAQI
1st Aug 2025414 PMAQI
1st Aug 2025345 PMAQI
1st Aug 2025376 PMAQI
1st Aug 2025267 PMAQI
1st Aug 2025308 PMAQI
1st Aug 2025289 PMAQI
1st Aug 20253010 PMAQI
1st Aug 20252811 PMAQI
2nd Aug 20252912 AMAQI
2nd Aug 2025301 AMAQI
2nd Aug 2025372 AMAQI
2nd Aug 2025373 AMAQI
28°C26/32°C
2nd Aug 2025374 AMAQI
2nd Aug 2025395 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025309 AMAQI
2nd Aug 20253210 AMAQI
2nd Aug 20253611 AMAQI
2nd Aug 20254112 PMAQI
2nd Aug 2025441 PMAQI
2nd Aug 2025532 PMAQI
2nd Aug 2025543 PMAQI
2nd Aug 2025534 PMAQI
2nd Aug 2025485 PMAQI
2nd Aug 2025556 PMAQI
2nd Aug 2025557 PMAQI
2nd Aug 2025388 PMAQI
2nd Aug 2025369 PMAQI
2nd Aug 20253510 PMAQI
2nd Aug 20254411 PMAQI
3rd Aug 20253512 AMAQI
3rd Aug 2025361 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025373 AMAQI
31°C27/36°C
3rd Aug 2025404 AMAQI
3rd Aug 2025395 AMAQI
3rd Aug 2025386 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025388 AMAQI
3rd Aug 2025449 AMAQI
3rd Aug 20255210 AMAQI
3rd Aug 20255211 AMAQI
3rd Aug 20256212 PMAQI
3rd Aug 2025541 PMAQI
3rd Aug 2025562 PMAQI
3rd Aug 2025523 PMAQI
3rd Aug 2025464 PMAQI
3rd Aug 2025505 PMAQI
3rd Aug 2025496 PMAQI
3rd Aug 2025437 PMAQI
3rd Aug 2025448 PMAQI
3rd Aug 2025419 PMAQI
3rd Aug 20254510 PMAQI
3rd Aug 20254011 PMAQI
4th Aug 20254012 AMAQI
4th Aug 2025381 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025393 AMAQI
32°C28/37°C
4th Aug 2025414 AMAQI
4th Aug 2025425 AMAQI
4th Aug 2025426 AMAQI
4th Aug 2025427 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025629 AMAQI
4th Aug 20256610 AMAQI
4th Aug 20258211 AMAQI
4th Aug 20258012 PMAQI
4th Aug 2025891 PMAQI
4th Aug 2025882 PMAQI
4th Aug 2025843 PMAQI
4th Aug 2025874 PMAQI
4th Aug 2025885 PMAQI
4th Aug 2025806 PMAQI
4th Aug 2025787 PMAQI
4th Aug 2025688 PMAQI
4th Aug 2025589 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20254611 PMAQI
5th Aug 20256012 AMAQI
5th Aug 2025431 AMAQI
5th Aug 2025402 AMAQI
5th Aug 2025403 AMAQI
32°C29/36°C
5th Aug 2025504 AMAQI
5th Aug 2025535 AMAQI
5th Aug 2025526 AMAQI
5th Aug 2025527 AMAQI
5th Aug 2025548 AMAQI
5th Aug 2025569 AMAQI
5th Aug 20256010 AMAQI
5th Aug 20255911 AMAQI
5th Aug 20256212 PMAQI
5th Aug 2025571 PMAQI
5th Aug 2025512 PMAQI
5th Aug 2025503 PMAQI
5th Aug 2025544 PMAQI
5th Aug 2025505 PMAQI
5th Aug 2025466 PMAQI
5th Aug 2025487 PMAQI
5th Aug 2025478 PMAQI
5th Aug 2025479 PMAQI
5th Aug 20254610 PMAQI
5th Aug 20254611 PMAQI
6th Aug 20254712 AMAQI
6th Aug 2025491 AMAQI
6th Aug 2025502 AMAQI
6th Aug 2025483 AMAQI
33°C30/38°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 20254210 AMAQI
6th Aug 20255311 AMAQI
6th Aug 20255712 PMAQI
6th Aug 2025541 PMAQI
6th Aug 2025552 PMAQI
6th Aug 2025433 PMAQI
6th Aug 2025554 PMAQI
6th Aug 2025595 PMAQI
6th Aug 2025556 PMAQI
6th Aug 2025567 PMAQI
6th Aug 2025538 PMAQI
6th Aug 2025459 PMAQI
6th Aug 20254810 PMAQI
6th Aug 20254811 PMAQI
7th Aug 20254812 AMAQI
7th Aug 2025481 AMAQI
7th Aug 2025512 AMAQI
7th Aug 2025493 AMAQI
33°C29/38°C
7th Aug 2025524 AMAQI
4 AM7th Aug 2025515 AMAQI
7th Aug 2025506 AMAQI
7th Aug 2025467 AMAQI
7th Aug 2025508 AMAQI
7th Aug 2025519 AMAQI
7th Aug 20254210 AMAQI
7th Aug 20254211 AMAQI
11 AM7th Aug 20252612 PMAQI
7th Aug 2025351 PMAQI
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
12 PM - 5 PM
48AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
9 AM - 10 AM
42AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 5 PM (Avg. 48), while the lowest AQI was between 9 AM to 10 AM (Avg. 42).
Night time
Avg. Highest Time
2 AM - 3 AM
47AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
8 PM
39AQI
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. 47), while the lowest AQI was between 8 PM to 8 PM (Avg. 39).
2025 Days Vs Air Quality
Nishiarai, Kawaguchi, Saitama, Japan
2025
94%
205
6%
13
Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)
Good
205 DaysModerate
13 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 219 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
Nishiarai, 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
29AQI
29AQI
2nd January 2025
27AQI
27AQI
3rd January 2025
25AQI
25AQI
4th January 2025
26AQI
26AQI
5th January 2025
25AQI
25AQI
6th January 2025
33AQI
33AQI
7th January 2025
26AQI
26AQI
8th January 2025
29AQI
29AQI
9th January 2025
26AQI
26AQI
10th January 2025
27AQI
27AQI
11th January 2025
26AQI
26AQI
12th January 2025
29AQI
29AQI
13th January 2025
30AQI
30AQI
14th January 2025
30AQI
30AQI
15th January 2025
31AQI
31AQI
16th January 2025
26AQI
26AQI
17th January 2025
31AQI
31AQI
18th January 2025
29AQI
29AQI
19th January 2025
36AQI
36AQI
20th January 2025
32AQI
32AQI
21st January 2025
35AQI
35AQI
22nd January 2025
34AQI
34AQI
23rd January 2025
36AQI
36AQI
24th January 2025
37AQI
37AQI
25th January 2025
35AQI
35AQI
26th January 2025
33AQI
33AQI
27th January 2025
27AQI
27AQI
28th January 2025
33AQI
33AQI
29th January 2025
28AQI
28AQI
30th January 2025
30AQI
30AQI
31st January 2025
27AQI
27AQI
1st February 2025
30AQI
30AQI
2nd February 2025
30AQI
30AQI
3rd February 2025
29AQI
29AQI
4th February 2025
31AQI
31AQI
5th February 2025
29AQI
29AQI
6th February 2025
27AQI
27AQI
7th February 2025
28AQI
28AQI
8th February 2025
29AQI
29AQI
9th February 2025
29AQI
29AQI
10th February 2025
26AQI
26AQI
11th February 2025
31AQI
31AQI
12th February 2025
30AQI
30AQI
13th February 2025
37AQI
37AQI
14th February 2025
30AQI
30AQI
15th February 2025
39AQI
39AQI
16th February 2025
35AQI
35AQI
17th February 2025
38AQI
38AQI
18th February 2025
31AQI
31AQI
19th February 2025
30AQI
30AQI
20th February 2025
30AQI
30AQI
21st February 2025
30AQI
30AQI
22nd February 2025
31AQI
31AQI
23rd February 2025
31AQI
31AQI
24th February 2025
33AQI
33AQI
25th February 2025
32AQI
32AQI
26th February 2025
35AQI
35AQI
27th February 2025
38AQI
38AQI
28th February 2025
41AQI
41AQI
1st March 2025
44AQI
44AQI
2nd March 2025
51AQI
51AQI
3rd March 2025
37AQI
37AQI
4th March 2025
35AQI
35AQI
5th March 2025
26AQI
26AQI
6th March 2025
32AQI
32AQI
7th March 2025
31AQI
31AQI
8th March 2025
33AQI
33AQI
9th March 2025
34AQI
34AQI
10th March 2025
34AQI
34AQI
11th March 2025
32AQI
32AQI
12th March 2025
37AQI
37AQI
13th March 2025
35AQI
35AQI
14th March 2025
31AQI
31AQI
15th March 2025
25AQI
25AQI
16th March 2025
21AQI
21AQI
17th March 2025
17AQI
17AQI
18th March 2025
19AQI
19AQI
19th March 2025
15AQI
15AQI
20th March 2025
19AQI
19AQI
21st March 2025
31AQI
31AQI
22nd March 2025
41AQI
41AQI
23rd March 2025
43AQI
43AQI
24th March 2025
42AQI
42AQI
25th March 2025
64AQI
64AQI
26th March 2025
72AQI
72AQI
27th March 2025
67AQI
67AQI
28th March 2025
43AQI
43AQI
29th March 2025
35AQI
35AQI
30th March 2025
39AQI
39AQI
31st March 2025
32AQI
32AQI
1st April 2025
26AQI
26AQI
2nd April 2025
21AQI
21AQI
3rd April 2025
19AQI
19AQI
4th April 2025
18AQI
18AQI
5th April 2025
22AQI
22AQI
6th April 2025
17AQI
17AQI
7th April 2025
21AQI
21AQI
8th April 2025
25AQI
25AQI
9th April 2025
22AQI
22AQI
10th April 2025
35AQI
35AQI
11th April 2025
30AQI
30AQI
12th April 2025
29AQI
29AQI
13th April 2025
24AQI
24AQI
14th April 2025
30AQI
30AQI
15th April 2025
24AQI
24AQI
16th April 2025
22AQI
22AQI
17th April 2025
34AQI
34AQI
18th April 2025
39AQI
39AQI
19th April 2025
49AQI
49AQI
20th April 2025
38AQI
38AQI
21st April 2025
36AQI
36AQI
22nd April 2025
34AQI
34AQI
23rd April 2025
23AQI
23AQI
24th April 2025
30AQI
30AQI
25th April 2025
32AQI
32AQI
26th April 2025
36AQI
36AQI
27th April 2025
37AQI
37AQI
28th April 2025
34AQI
34AQI
29th April 2025
27AQI
27AQI
30th April 2025
29AQI
29AQI
1st May 2025
26AQI
26AQI
2nd May 2025
23AQI
23AQI
3rd May 2025
20AQI
20AQI
4th May 2025
23AQI
23AQI
5th May 2025
20AQI
20AQI
6th May 2025
20AQI
20AQI
7th May 2025
16AQI
16AQI
8th May 2025
20AQI
20AQI
9th May 2025
19AQI
19AQI
10th May 2025
17AQI
17AQI
11th May 2025
18AQI
18AQI
12th May 2025
18AQI
18AQI
13th May 2025
20AQI
20AQI
14th May 2025
19AQI
19AQI
15th May 2025
23AQI
23AQI
16th May 2025
24AQI
24AQI
17th May 2025
19AQI
19AQI
18th May 2025
27AQI
27AQI
19th May 2025
27AQI
27AQI
20th May 2025
43AQI
43AQI
21st May 2025
37AQI
37AQI
22nd May 2025
29AQI
29AQI
23rd May 2025
28AQI
28AQI
24th May 2025
26AQI
26AQI
25th May 2025
20AQI
20AQI
26th May 2025
21AQI
21AQI
27th May 2025
18AQI
18AQI
28th May 2025
16AQI
16AQI
29th May 2025
19AQI
19AQI
30th May 2025
17AQI
17AQI
31st May 2025
14AQI
14AQI
1st June 2025
17AQI
17AQI
2nd June 2025
19AQI
19AQI
3rd June 2025
21AQI
21AQI
4th June 2025
22AQI
22AQI
5th June 2025
29AQI
29AQI
6th June 2025
27AQI
27AQI
7th June 2025
28AQI
28AQI
8th June 2025
36AQI
36AQI
9th June 2025
28AQI
28AQI
10th June 2025
26AQI
26AQI
11th June 2025
24AQI
24AQI
12th June 2025
27AQI
27AQI
13th June 2025
26AQI
26AQI
14th June 2025
22AQI
22AQI
15th June 2025
23AQI
23AQI
16th June 2025
22AQI
22AQI
17th June 2025
34AQI
34AQI
18th June 2025
27AQI
27AQI
19th June 2025
28AQI
28AQI
20th June 2025
26AQI
26AQI
21st June 2025
24AQI
24AQI
22nd June 2025
21AQI
21AQI
23rd June 2025
16AQI
16AQI
24th June 2025
15AQI
15AQI
25th June 2025
15AQI
15AQI
26th June 2025
15AQI
15AQI
27th June 2025
17AQI
17AQI
28th June 2025
17AQI
17AQI
29th June 2025
20AQI
20AQI
30th June 2025
39AQI
39AQI
1st July 2025
42AQI
42AQI
2nd July 2025
47AQI
47AQI
3rd July 2025
45AQI
45AQI
4th July 2025
49AQI
49AQI
5th July 2025
54AQI
54AQI
6th July 2025
68AQI
68AQI
7th July 2025
83AQI
83AQI
8th July 2025
80AQI
80AQI
9th July 2025
84AQI
84AQI
10th July 2025
61AQI
61AQI
11th July 2025
48AQI
48AQI
12th July 2025
51AQI
51AQI
13th July 2025
51AQI
51AQI
14th July 2025
41AQI
41AQI
15th July 2025
40AQI
40AQI
16th July 2025
39AQI
39AQI
17th July 2025
43AQI
43AQI
18th July 2025
37AQI
37AQI
19th July 2025
34AQI
34AQI
20th July 2025
34AQI
34AQI
21st July 2025
38AQI
38AQI
22nd July 2025
39AQI
39AQI
23rd July 2025
42AQI
42AQI
24th July 2025
44AQI
44AQI
25th July 2025
41AQI
41AQI
26th July 2025
40AQI
40AQI
27th July 2025
37AQI
37AQI
28th July 2025
44AQI
44AQI
29th July 2025
37AQI
37AQI
30th July 2025
32AQI
32AQI
31st July 2025
33AQI
33AQI
1st August 2025
33AQI
33AQI
2nd August 2025
41AQI
41AQI
3rd August 2025
44AQI
44AQI
4th August 2025
60AQI
60AQI
5th August 2025
50AQI
50AQI
6th August 2025
50AQI
50AQI
30AQI
32AQI
36AQI
29AQI
22AQI
24AQI
47AQI
46AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202532AQI
31
28
27
4
30
31
30
23
8
5
1
205
13
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
May22AQI
202433AQI
30
1
29
30
1
28
2
30
1
28
2
21
10
31
27
3
30
1
28
2
31
343
23
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
August26AQI
202330AQI
31
28
29
2
26
4
30
1
29
1
29
2
31
30
31
28
1
31
353
11
Highest AQI recorded in
April40AQI
Lowest AQI recorded in
August18AQI
202230AQI
31
19
2
30
1
27
3
25
6
27
3
19
2
1
28
31
30
31
299
17
Highest AQI recorded in
May42AQI
Lowest AQI recorded in
August17AQI
202123AQI
30
1
28
29
2
30
28
3
28
2
31
29
2
30
30
1
30
31
354
11
Highest AQI recorded in
June33AQI
Lowest AQI recorded in
February14AQI
202017AQI
13
21
18
30
31
31
19
31
30
31
255
Highest AQI recorded in
August23AQI
Lowest AQI recorded in
April11AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2024(Avg.)
33AQILeast Polluted Year Recorded
2020(Avg.)
17AQINishiarai's annual 2025 AQI (32) shows an average percentage change of 25.6% (worsened AQI) compared to previous years: 2020 (17), 2021 (23), 2022 (30), 2023 (30), 2024 (33).
