Shakujiimachi, Niiza, 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+
October Air Quality Analysis
Shakujiimachi, Niiza, Saitama, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Oct 2025
63AQILowest AQI recorded on
27th Oct 2021
15AQISame Day Analysis (17th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 63 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 17th Oct - 18th Oct 2025
Shakujiimachi, Niiza, Saitama, Japan
AQI
Day
Night
.
5 AM17th Oct 2025
5 PM
4 AM18th Oct 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
6AM17th Oct
68AQI
Avg. Lowest Time
10AM17th Oct
43AQI
In the last 24 hours,
Shakujiimachi's AQI reached its highest point of 68 at 6 AM during the Night, while the lowest point, 43, was recorded at 10 AM during the Night between 17th Oct and 18th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Shakujiimachi, Niiza, Saitama, Japan
SepOct
18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th
Day
Night
18th Sep 2025445 AMAQI
18th Sep 2025436 AMAQI
18th Sep 2025437 AMAQI
18th Sep 2025438 AMAQI
18th Sep 2025469 AMAQI
18th Sep 20255710 AMAQI
18th Sep 20256711 AMAQI
18th Sep 20256912 PMAQI
18th Sep 2025701 PMAQI
18th Sep 2025722 PMAQI
18th Sep 2025713 PMAQI
18th Sep 2025694 PMAQI
18th Sep 2025465 PMAQI
18th Sep 2025226 PMAQI
18th Sep 2025227 PMAQI
18th Sep 2025268 PMAQI
18th Sep 2025349 PMAQI
18th Sep 20253610 PMAQI
18th Sep 20253611 PMAQI
19th Sep 20253512 AMAQI
19th Sep 2025381 AMAQI
19th Sep 2025462 AMAQI
19th Sep 2025463 AMAQI
19th Sep 2025484 AMAQI
30°C24/37°C
19th Sep 2025535 AMAQI
19th Sep 2025536 AMAQI
19th Sep 2025537 AMAQI
19th Sep 2025538 AMAQI
19th Sep 2025259 AMAQI
19th Sep 20251410 AMAQI
19th Sep 20251611 AMAQI
19th Sep 20251812 PMAQI
19th Sep 2025211 PMAQI
19th Sep 2025222 PMAQI
19th Sep 2025263 PMAQI
19th Sep 2025304 PMAQI
19th Sep 2025305 PMAQI
19th Sep 2025276 PMAQI
19th Sep 2025257 PMAQI
19th Sep 2025268 PMAQI
19th Sep 2025369 PMAQI
19th Sep 20253710 PMAQI
19th Sep 20253611 PMAQI
20th Sep 20253612 AMAQI
20th Sep 2025391 AMAQI
20th Sep 2025482 AMAQI
20th Sep 2025473 AMAQI
20th Sep 2025454 AMAQI
23°C22/23°C
20th Sep 2025415 AMAQI
20th Sep 2025416 AMAQI
20th Sep 2025427 AMAQI
20th Sep 2025418 AMAQI
20th Sep 2025239 AMAQI
20th Sep 20251710 AMAQI
20th Sep 20251811 AMAQI
20th Sep 20251712 PMAQI
20th Sep 2025211 PMAQI
20th Sep 2025272 PMAQI
20th Sep 2025313 PMAQI
20th Sep 2025344 PMAQI
20th Sep 2025325 PMAQI
20th Sep 2025326 PMAQI
20th Sep 2025287 PMAQI
20th Sep 2025298 PMAQI
20th Sep 2025359 PMAQI
20th Sep 20253610 PMAQI
20th Sep 20253411 PMAQI
21st Sep 20253612 AMAQI
21st Sep 2025381 AMAQI
21st Sep 2025422 AMAQI
21st Sep 2025423 AMAQI
21st Sep 2025404 AMAQI
24°C23/26°C
21st Sep 2025375 AMAQI
21st Sep 2025376 AMAQI
21st Sep 2025387 AMAQI
21st Sep 2025388 AMAQI
21st Sep 2025219 AMAQI
21st Sep 20251210 AMAQI
21st Sep 20251311 AMAQI
21st Sep 20251612 PMAQI
21st Sep 2025161 PMAQI
21st Sep 2025142 PMAQI
21st Sep 2025163 PMAQI
21st Sep 2025154 PMAQI
21st Sep 2025145 PMAQI
21st Sep 2025156 PMAQI
21st Sep 2025167 PMAQI
21st Sep 2025188 PMAQI
21st Sep 2025279 PMAQI
21st Sep 20252810 PMAQI
21st Sep 20252811 PMAQI
22nd Sep 20253012 AMAQI
22nd Sep 2025351 AMAQI
22nd Sep 2025392 AMAQI
22nd Sep 2025393 AMAQI
22nd Sep 2025384 AMAQI
27°C23/32°C
22nd Sep 2025345 AMAQI
22nd Sep 2025346 AMAQI
22nd Sep 2025347 AMAQI
22nd Sep 2025338 AMAQI
22nd Sep 2025209 AMAQI
22nd Sep 20251710 AMAQI
22nd Sep 20251911 AMAQI
22nd Sep 20252212 PMAQI
22nd Sep 2025241 PMAQI
22nd Sep 2025212 PMAQI
22nd Sep 2025203 PMAQI
22nd Sep 2025264 PMAQI
22nd Sep 2025265 PMAQI
22nd Sep 2025256 PMAQI
22nd Sep 2025247 PMAQI
22nd Sep 2025248 PMAQI
22nd Sep 2025279 PMAQI
22nd Sep 20252810 PMAQI
22nd Sep 20252911 PMAQI
23rd Sep 20253012 AMAQI
23rd Sep 2025321 AMAQI
23rd Sep 2025362 AMAQI
23rd Sep 2025363 AMAQI
23rd Sep 2025344 AMAQI
24°C22/27°C
23rd Sep 2025325 AMAQI
23rd Sep 2025326 AMAQI
23rd Sep 2025327 AMAQI
23rd Sep 2025328 AMAQI
23rd Sep 2025249 AMAQI
23rd Sep 20251910 AMAQI
23rd Sep 20252111 AMAQI
23rd Sep 20252412 PMAQI
23rd Sep 2025241 PMAQI
23rd Sep 2025252 PMAQI
23rd Sep 2025243 PMAQI
23rd Sep 2025264 PMAQI
23rd Sep 2025305 PMAQI
23rd Sep 2025336 PMAQI
23rd Sep 2025307 PMAQI
23rd Sep 2025248 PMAQI
23rd Sep 2025289 PMAQI
23rd Sep 20252810 PMAQI
23rd Sep 20252711 PMAQI
24th Sep 20252712 AMAQI
24th Sep 2025291 AMAQI
24th Sep 2025332 AMAQI
24th Sep 2025323 AMAQI
24th Sep 2025324 AMAQI
24°C21/27°C
24th Sep 2025305 AMAQI
24th Sep 2025316 AMAQI
24th Sep 2025317 AMAQI
24th Sep 2025318 AMAQI
24th Sep 2025309 AMAQI
24th Sep 20252810 AMAQI
24th Sep 20252511 AMAQI
24th Sep 20252612 PMAQI
24th Sep 2025331 PMAQI
24th Sep 2025272 PMAQI
24th Sep 2025333 PMAQI
24th Sep 2025344 PMAQI
24th Sep 2025355 PMAQI
24th Sep 2025316 PMAQI
24th Sep 2025287 PMAQI
24th Sep 2025258 PMAQI
24th Sep 2025289 PMAQI
24th Sep 20252810 PMAQI
24th Sep 20252811 PMAQI
25th Sep 20252812 AMAQI
25th Sep 2025291 AMAQI
25th Sep 2025302 AMAQI
25th Sep 2025313 AMAQI
25th Sep 2025314 AMAQI
24°C21/28°C
25th Sep 2025315 AMAQI
25th Sep 2025326 AMAQI
25th Sep 2025317 AMAQI
25th Sep 2025308 AMAQI
25th Sep 2025309 AMAQI
25th Sep 20253110 AMAQI
25th Sep 20252811 AMAQI
25th Sep 20253112 PMAQI
25th Sep 2025341 PMAQI
25th Sep 2025382 PMAQI
25th Sep 2025433 PMAQI
25th Sep 2025424 PMAQI
25th Sep 2025425 PMAQI
25th Sep 2025406 PMAQI
25th Sep 2025387 PMAQI
25th Sep 2025388 PMAQI
25th Sep 2025399 PMAQI
25th Sep 20253510 PMAQI
25th Sep 20253011 PMAQI
26th Sep 20253512 AMAQI
26th Sep 2025241 AMAQI
26th Sep 2025272 AMAQI
26th Sep 2025253 AMAQI
26th Sep 2025444 AMAQI
25°C23/29°C
26th Sep 2025465 AMAQI
26th Sep 2025466 AMAQI
26th Sep 2025457 AMAQI
26th Sep 2025358 AMAQI
26th Sep 2025329 AMAQI
26th Sep 20254610 AMAQI
26th Sep 20255411 AMAQI
26th Sep 20255912 PMAQI
26th Sep 2025591 PMAQI
26th Sep 2025662 PMAQI
26th Sep 2025773 PMAQI
26th Sep 2025774 PMAQI
26th Sep 2025835 PMAQI
26th Sep 2025916 PMAQI
26th Sep 2025807 PMAQI
26th Sep 2025638 PMAQI
26th Sep 2025569 PMAQI
26th Sep 20255410 PMAQI
26th Sep 20255211 PMAQI
27th Sep 20255212 AMAQI
27th Sep 2025531 AMAQI
27th Sep 2025462 AMAQI
27th Sep 2025353 AMAQI
27th Sep 2025284 AMAQI
28°C25/33°C
27th Sep 2025275 AMAQI
27th Sep 2025296 AMAQI
27th Sep 2025317 AMAQI
27th Sep 2025338 AMAQI
27th Sep 2025299 AMAQI
27th Sep 20252710 AMAQI
27th Sep 20253211 AMAQI
27th Sep 20253912 PMAQI
27th Sep 2025401 PMAQI
27th Sep 2025332 PMAQI
27th Sep 2025373 PMAQI
27th Sep 2025354 PMAQI
27th Sep 2025375 PMAQI
27th Sep 2025326 PMAQI
27th Sep 2025287 PMAQI
27th Sep 2025288 PMAQI
27th Sep 2025289 PMAQI
27th Sep 20253110 PMAQI
27th Sep 20253011 PMAQI
28th Sep 20253112 AMAQI
28th Sep 2025301 AMAQI
28th Sep 2025282 AMAQI
28th Sep 2025283 AMAQI
28th Sep 2025284 AMAQI
26°C24/28°C
28th Sep 2025335 AMAQI
28th Sep 2025306 AMAQI
28th Sep 2025377 AMAQI
28th Sep 2025358 AMAQI
28th Sep 2025339 AMAQI
28th Sep 20253810 AMAQI
28th Sep 20253911 AMAQI
28th Sep 20254012 PMAQI
28th Sep 2025351 PMAQI
28th Sep 2025332 PMAQI
28th Sep 2025283 PMAQI
28th Sep 2025264 PMAQI
28th Sep 2025315 PMAQI
28th Sep 2025336 PMAQI
28th Sep 2025297 PMAQI
28th Sep 2025288 PMAQI
28th Sep 2025289 PMAQI
28th Sep 20252710 PMAQI
28th Sep 20252711 PMAQI
29th Sep 20252912 AMAQI
29th Sep 2025321 AMAQI
29th Sep 2025372 AMAQI
29th Sep 2025433 AMAQI
29th Sep 2025414 AMAQI
26°C24/28°C
29th Sep 2025415 AMAQI
29th Sep 2025446 AMAQI
29th Sep 2025407 AMAQI
29th Sep 2025428 AMAQI
29th Sep 2025459 AMAQI
29th Sep 20254010 AMAQI
29th Sep 20254311 AMAQI
29th Sep 20254412 PMAQI
29th Sep 2025441 PMAQI
29th Sep 2025442 PMAQI
29th Sep 2025503 PMAQI
29th Sep 2025514 PMAQI
29th Sep 2025545 PMAQI
29th Sep 2025506 PMAQI
29th Sep 2025277 PMAQI
29th Sep 2025228 PMAQI
29th Sep 2025319 PMAQI
29th Sep 20253410 PMAQI
29th Sep 20253911 PMAQI
30th Sep 20252612 AMAQI
30th Sep 2025271 AMAQI
30th Sep 2025212 AMAQI
30th Sep 2025363 AMAQI
30th Sep 2025384 AMAQI
27°C25/32°C
30th Sep 2025385 AMAQI
30th Sep 2025306 AMAQI
30th Sep 2025347 AMAQI
30th Sep 2025298 AMAQI
30th Sep 2025289 AMAQI
30th Sep 20252310 AMAQI
30th Sep 20253011 AMAQI
30th Sep 20253112 PMAQI
30th Sep 2025401 PMAQI
30th Sep 2025442 PMAQI
30th Sep 2025413 PMAQI
30th Sep 2025444 PMAQI
30th Sep 2025485 PMAQI
30th Sep 2025446 PMAQI
30th Sep 2025437 PMAQI
30th Sep 2025508 PMAQI
30th Sep 2025509 PMAQI
30th Sep 20255410 PMAQI
30th Sep 20254711 PMAQI
1st Oct 20254912 AMAQI
1st Oct 2025471 AMAQI
1st Oct 2025482 AMAQI
1st Oct 2025423 AMAQI
1st Oct 2025484 AMAQI
25°C23/27°C
1st Oct 2025465 AMAQI
1st Oct 2025496 AMAQI
1st Oct 2025507 AMAQI
1st Oct 2025548 AMAQI
1st Oct 2025539 AMAQI
1st Oct 20254310 AMAQI
1st Oct 20254811 AMAQI
1st Oct 20254212 PMAQI
1st Oct 2025361 PMAQI
1st Oct 2025332 PMAQI
1st Oct 2025333 PMAQI
1st Oct 2025334 PMAQI
1st Oct 2025455 PMAQI
1st Oct 2025496 PMAQI
1st Oct 2025447 PMAQI
1st Oct 2025458 PMAQI
1st Oct 2025419 PMAQI
1st Oct 20254110 PMAQI
1st Oct 20254011 PMAQI
2nd Oct 20252812 AMAQI
2nd Oct 2025361 AMAQI
2nd Oct 2025522 AMAQI
2nd Oct 2025593 AMAQI
2nd Oct 2025564 AMAQI
21°C20/21°C
2nd Oct 2025575 AMAQI
2nd Oct 2025606 AMAQI
2nd Oct 2025607 AMAQI
2nd Oct 2025538 AMAQI
2nd Oct 2025489 AMAQI
2nd Oct 20255210 AMAQI
2nd Oct 20255311 AMAQI
2nd Oct 20255412 PMAQI
2nd Oct 2025561 PMAQI
2nd Oct 2025562 PMAQI
2nd Oct 2025593 PMAQI
2nd Oct 2025584 PMAQI
2nd Oct 2025565 PMAQI
2nd Oct 2025566 PMAQI
2nd Oct 2025497 PMAQI
2nd Oct 2025548 PMAQI
2nd Oct 2025529 PMAQI
2nd Oct 20256110 PMAQI
2nd Oct 20256211 PMAQI
3rd Oct 20256312 AMAQI
3rd Oct 2025561 AMAQI
3rd Oct 2025622 AMAQI
3rd Oct 2025623 AMAQI
3rd Oct 2025604 AMAQI
24°C20/28°C
3rd Oct 2025605 AMAQI
3rd Oct 2025596 AMAQI
3rd Oct 2025587 AMAQI
3rd Oct 2025598 AMAQI
3rd Oct 2025569 AMAQI
3rd Oct 20255410 AMAQI
3rd Oct 20255311 AMAQI
3rd Oct 20255312 PMAQI
3rd Oct 2025541 PMAQI
3rd Oct 2025522 PMAQI
3rd Oct 2025623 PMAQI
3rd Oct 2025624 PMAQI
3rd Oct 2025625 PMAQI
3rd Oct 2025566 PMAQI
3rd Oct 2025587 PMAQI
3rd Oct 2025508 PMAQI
3rd Oct 2025609 PMAQI
3rd Oct 20255810 PMAQI
3rd Oct 20255911 PMAQI
4th Oct 20255512 AMAQI
4th Oct 2025541 AMAQI
4th Oct 2025562 AMAQI
4th Oct 2025603 AMAQI
4th Oct 2025604 AMAQI
24°C22/27°C
4th Oct 2025705 AMAQI
4th Oct 2025706 AMAQI
4th Oct 2025727 AMAQI
4th Oct 2025748 AMAQI
4th Oct 2025739 AMAQI
4th Oct 20257110 AMAQI
4th Oct 20257311 AMAQI
4th Oct 20256612 PMAQI
4th Oct 2025611 PMAQI
4th Oct 2025612 PMAQI
4th Oct 2025603 PMAQI
4th Oct 2025634 PMAQI
4th Oct 2025605 PMAQI
4th Oct 2025676 PMAQI
4th Oct 2025657 PMAQI
4th Oct 2025598 PMAQI
4th Oct 2025579 PMAQI
4th Oct 20256010 PMAQI
4th Oct 20256211 PMAQI
5th Oct 20256412 AMAQI
5th Oct 2025641 AMAQI
5th Oct 2025662 AMAQI
5th Oct 2025603 AMAQI
5th Oct 2025614 AMAQI
24°C23/26°C
5th Oct 2025575 AMAQI
5th Oct 2025596 AMAQI
5th Oct 2025587 AMAQI
5th Oct 2025568 AMAQI
5th Oct 2025509 AMAQI
5th Oct 20255510 AMAQI
5th Oct 20255711 AMAQI
5th Oct 20255712 PMAQI
5th Oct 2025571 PMAQI
5th Oct 2025612 PMAQI
5th Oct 2025663 PMAQI
5th Oct 2025654 PMAQI
5th Oct 2025625 PMAQI
5th Oct 2025576 PMAQI
5th Oct 2025557 PMAQI
5th Oct 2025568 PMAQI
5th Oct 2025569 PMAQI
5th Oct 20255410 PMAQI
5th Oct 20255111 PMAQI
6th Oct 20255412 AMAQI
6th Oct 2025551 AMAQI
6th Oct 2025562 AMAQI
6th Oct 2025583 AMAQI
6th Oct 2025594 AMAQI
25°C22/28°C
6th Oct 2025575 AMAQI
6th Oct 2025496 AMAQI
6th Oct 2025537 AMAQI
6th Oct 2025528 AMAQI
6th Oct 2025589 AMAQI
6th Oct 20256010 AMAQI
6th Oct 20256211 AMAQI
6th Oct 20255912 PMAQI
6th Oct 2025571 PMAQI
6th Oct 2025602 PMAQI
6th Oct 2025603 PMAQI
6th Oct 2025614 PMAQI
6th Oct 2025535 PMAQI
6th Oct 2025526 PMAQI
6th Oct 2025687 PMAQI
6th Oct 2025628 PMAQI
6th Oct 2025609 PMAQI
6th Oct 20256010 PMAQI
6th Oct 20255311 PMAQI
7th Oct 20255612 AMAQI
7th Oct 2025631 AMAQI
7th Oct 2025652 AMAQI
25°C21/29°C
7th Oct 2025528 PMAQI
7th Oct 2025389 PMAQI
7th Oct 20256310 PMAQI
7th Oct 20256711 PMAQI
8th Oct 20256512 AMAQI
8th Oct 2025661 AMAQI
8th Oct 2025642 AMAQI
8th Oct 2025523 AMAQI
8th Oct 2025494 AMAQI
22°C21/22°C
8th Oct 2025495 AMAQI
8th Oct 2025496 AMAQI
8th Oct 2025507 AMAQI
8th Oct 2025628 AMAQI
8th Oct 2025649 AMAQI
8th Oct 20256210 AMAQI
8th Oct 20255311 AMAQI
8th Oct 20256012 PMAQI
8th Oct 2025701 PMAQI
8th Oct 2025682 PMAQI
8th Oct 2025683 PMAQI
8th Oct 2025694 PMAQI
8th Oct 2025685 PMAQI
8th Oct 2025686 PMAQI
8th Oct 2025677 PMAQI
8th Oct 2025718 PMAQI
8th Oct 2025729 PMAQI
8th Oct 20257210 PMAQI
8th Oct 20256611 PMAQI
9th Oct 20256212 AMAQI
9th Oct 2025671 AMAQI
9th Oct 2025682 AMAQI
9th Oct 2025683 AMAQI
9th Oct 2025664 AMAQI
25°C21/29°C
9th Oct 2025625 AMAQI
9th Oct 2025596 AMAQI
9th Oct 2025567 AMAQI
9th Oct 2025588 AMAQI
9th Oct 2025589 AMAQI
9th Oct 20255810 AMAQI
9th Oct 20255911 AMAQI
9th Oct 20255912 PMAQI
9th Oct 2025471 PMAQI
9th Oct 2025592 PMAQI
9th Oct 2025653 PMAQI
9th Oct 2025624 PMAQI
9th Oct 2025605 PMAQI
9th Oct 2025646 PMAQI
9th Oct 2025657 PMAQI
9th Oct 2025658 PMAQI
9th Oct 2025489 PMAQI
9th Oct 20254810 PMAQI
9th Oct 20254011 PMAQI
10th Oct 20253812 AMAQI
10th Oct 2025421 AMAQI
10th Oct 2025452 AMAQI
10th Oct 2025583 AMAQI
10th Oct 2025594 AMAQI
22°C19/23°C
10th Oct 2025615 AMAQI
10th Oct 2025486 AMAQI
10th Oct 2025517 AMAQI
10th Oct 2025558 AMAQI
10th Oct 2025569 AMAQI
10th Oct 20255810 AMAQI
10th Oct 20256111 AMAQI
10th Oct 20256212 PMAQI
10th Oct 2025611 PMAQI
10th Oct 2025692 PMAQI
10th Oct 2025683 PMAQI
10th Oct 2025684 PMAQI
10th Oct 2025575 PMAQI
10th Oct 2025546 PMAQI
10th Oct 2025587 PMAQI
10th Oct 2025678 PMAQI
10th Oct 2025709 PMAQI
10th Oct 20257010 PMAQI
10th Oct 20256611 PMAQI
11th Oct 20257112 AMAQI
11th Oct 2025741 AMAQI
11th Oct 2025732 AMAQI
11th Oct 2025613 AMAQI
11th Oct 2025664 AMAQI
21°C19/24°C
11th Oct 2025725 AMAQI
11th Oct 2025716 AMAQI
11th Oct 2025717 AMAQI
11th Oct 2025668 AMAQI
11th Oct 2025569 AMAQI
11th Oct 20255810 AMAQI
11th Oct 20256011 AMAQI
11th Oct 20256012 PMAQI
11th Oct 2025601 PMAQI
11th Oct 2025552 PMAQI
11th Oct 2025573 PMAQI
11th Oct 2025564 PMAQI
11th Oct 2025465 PMAQI
11th Oct 2025306 PMAQI
11th Oct 2025347 PMAQI
11th Oct 2025408 PMAQI
11th Oct 2025389 PMAQI
11th Oct 20253810 PMAQI
11th Oct 20253911 PMAQI
12th Oct 20252612 AMAQI
12th Oct 2025421 AMAQI
12th Oct 2025422 AMAQI
12th Oct 2025443 AMAQI
12th Oct 2025464 AMAQI
20°C18/21°C
12th Oct 2025475 AMAQI
12th Oct 2025466 AMAQI
12th Oct 2025477 AMAQI
12th Oct 2025478 AMAQI
12th Oct 2025479 AMAQI
12th Oct 20253410 AMAQI
12th Oct 20253011 AMAQI
12th Oct 20254512 PMAQI
12th Oct 2025501 PMAQI
12th Oct 2025542 PMAQI
12th Oct 2025543 PMAQI
12th Oct 2025544 PMAQI
12th Oct 2025535 PMAQI
12th Oct 2025606 PMAQI
12th Oct 2025617 PMAQI
12th Oct 2025628 PMAQI
12th Oct 2025639 PMAQI
12th Oct 20256410 PMAQI
12th Oct 20256211 PMAQI
13th Oct 20257112 AMAQI
13th Oct 2025731 AMAQI
13th Oct 2025692 AMAQI
13th Oct 2025673 AMAQI
13th Oct 2025694 AMAQI
22°C18/25°C
13th Oct 2025665 AMAQI
13th Oct 2025646 AMAQI
13th Oct 2025607 AMAQI
13th Oct 2025638 AMAQI
13th Oct 2025629 AMAQI
13th Oct 20256610 AMAQI
13th Oct 20255711 AMAQI
13th Oct 20255612 PMAQI
13th Oct 2025531 PMAQI
13th Oct 2025522 PMAQI
13th Oct 2025563 PMAQI
13th Oct 2025584 PMAQI
13th Oct 2025575 PMAQI
13th Oct 2025646 PMAQI
13th Oct 2025627 PMAQI
13th Oct 2025618 PMAQI
13th Oct 2025589 PMAQI
13th Oct 20255610 PMAQI
13th Oct 20255511 PMAQI
14th Oct 20254412 AMAQI
14th Oct 2025471 AMAQI
14th Oct 2025602 AMAQI
14th Oct 2025643 AMAQI
14th Oct 2025664 AMAQI
23°C21/25°C
14th Oct 2025555 AMAQI
14th Oct 2025526 AMAQI
14th Oct 2025507 AMAQI
14th Oct 2025628 AMAQI
14th Oct 2025659 AMAQI
14th Oct 20256310 AMAQI
14th Oct 20255711 AMAQI
14th Oct 20256112 PMAQI
14th Oct 2025621 PMAQI
14th Oct 2025642 PMAQI
14th Oct 2025633 PMAQI
14th Oct 2025564 PMAQI
14th Oct 2025565 PMAQI
14th Oct 2025596 PMAQI
14th Oct 2025587 PMAQI
14th Oct 2025618 PMAQI
14th Oct 2025619 PMAQI
14th Oct 20256110 PMAQI
14th Oct 20256511 PMAQI
15th Oct 20256312 AMAQI
15th Oct 2025621 AMAQI
15th Oct 2025592 AMAQI
15th Oct 2025593 AMAQI
15th Oct 2025584 AMAQI
19°C17/21°C
15th Oct 2025545 AMAQI
15th Oct 2025456 AMAQI
15th Oct 2025457 AMAQI
15th Oct 2025448 AMAQI
15th Oct 2025369 AMAQI
15th Oct 20253410 AMAQI
15th Oct 20254911 AMAQI
15th Oct 20255112 PMAQI
15th Oct 2025461 PMAQI
15th Oct 2025512 PMAQI
15th Oct 2025513 PMAQI
15th Oct 2025514 PMAQI
15th Oct 2025525 PMAQI
15th Oct 2025496 PMAQI
15th Oct 2025587 PMAQI
15th Oct 2025588 PMAQI
15th Oct 2025579 PMAQI
15th Oct 20255410 PMAQI
15th Oct 20255311 PMAQI
16th Oct 20255512 AMAQI
16th Oct 2025541 AMAQI
16th Oct 2025562 AMAQI
16th Oct 2025633 AMAQI
16th Oct 2025634 AMAQI
19°C17/21°C
16th Oct 2025635 AMAQI
16th Oct 2025606 AMAQI
16th Oct 2025587 AMAQI
16th Oct 2025568 AMAQI
16th Oct 2025579 AMAQI
16th Oct 20255710 AMAQI
16th Oct 20255811 AMAQI
16th Oct 20255812 PMAQI
16th Oct 2025551 PMAQI
16th Oct 2025562 PMAQI
16th Oct 2025563 PMAQI
16th Oct 2025574 PMAQI
16th Oct 2025635 PMAQI
16th Oct 2025646 PMAQI
16th Oct 2025657 PMAQI
16th Oct 2025698 PMAQI
16th Oct 2025709 PMAQI
16th Oct 20256510 PMAQI
16th Oct 20256411 PMAQI
17th Oct 20256212 AMAQI
17th Oct 2025621 AMAQI
17th Oct 2025602 AMAQI
17th Oct 2025693 AMAQI
17th Oct 2025684 AMAQI
20°C18/22°C
17th Oct 2025655 AMAQI
17th Oct 2025686 AMAQI
17th Oct 2025657 AMAQI
17th Oct 2025668 AMAQI
17th Oct 2025459 AMAQI
17th Oct 20254310 AMAQI
17th Oct 20254511 AMAQI
17th Oct 20255312 PMAQI
17th Oct 2025601 PMAQI
17th Oct 2025652 PMAQI
17th Oct 2025653 PMAQI
17th Oct 2025544 PMAQI
17th Oct 2025595 PMAQI
17th Oct 2025626 PMAQI
17th Oct 2025557 PMAQI
17th Oct 2025548 PMAQI
17th Oct 2025539 PMAQI
17th Oct 20254510 PMAQI
17th Oct 20255011 PMAQI
18th Oct 20255512 AMAQI
18th Oct 2025561 AMAQI
18th Oct 2025592 AMAQI
18th Oct 2025623 AMAQI
18th Oct 2025644 AMAQI
--°C/°C
18th Oct 2025655 AMAQI
5 AM18th Oct 2025576 AMAQI
18th Oct 2025437 AMAQI
11 AM
5 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM
50AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
9 AM - 11 AM
44AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 5 AM (Avg. 50), while the lowest AQI was between 9 AM to 11 AM (Avg. 44).
Night time
Avg. Highest Time
1 AM - 4 AM
49AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
12 AM
46AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 4 AM (Avg. 49), while the lowest AQI was between 12 AM to 12 AM (Avg. 46).
2025 Days Vs Air Quality
Shakujiimachi, Niiza, Saitama, Japan
2025
87%
253
13%
37
Total number of days with different AQI categories in last 290 days in 2025 (75 days remaining)
Good
253 DaysModerate
37 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2025, 87% of 290 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Shakujiimachi, Niiza, 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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
30AQI
30AQI
2nd January 2025
28AQI
28AQI
3rd January 2025
24AQI
24AQI
4th January 2025
26AQI
26AQI
5th January 2025
31AQI
31AQI
6th January 2025
44AQI
44AQI
7th January 2025
29AQI
29AQI
8th January 2025
31AQI
31AQI
9th January 2025
26AQI
26AQI
10th January 2025
27AQI
27AQI
11th January 2025
25AQI
25AQI
12th January 2025
36AQI
36AQI
13th January 2025
30AQI
30AQI
14th January 2025
31AQI
31AQI
15th January 2025
32AQI
32AQI
16th January 2025
28AQI
28AQI
17th January 2025
29AQI
29AQI
18th January 2025
29AQI
29AQI
19th January 2025
40AQI
40AQI
20th January 2025
42AQI
42AQI
21st January 2025
37AQI
37AQI
22nd January 2025
37AQI
37AQI
23rd January 2025
42AQI
42AQI
24th January 2025
40AQI
40AQI
25th January 2025
35AQI
35AQI
26th January 2025
34AQI
34AQI
27th January 2025
28AQI
28AQI
28th January 2025
37AQI
37AQI
29th January 2025
27AQI
27AQI
30th January 2025
29AQI
29AQI
31st January 2025
28AQI
28AQI
1st February 2025
36AQI
36AQI
2nd February 2025
36AQI
36AQI
3rd February 2025
35AQI
35AQI
4th February 2025
32AQI
32AQI
5th February 2025
30AQI
30AQI
6th February 2025
28AQI
28AQI
7th February 2025
27AQI
27AQI
8th February 2025
30AQI
30AQI
9th February 2025
28AQI
28AQI
10th February 2025
27AQI
27AQI
11th February 2025
29AQI
29AQI
12th February 2025
34AQI
34AQI
13th February 2025
36AQI
36AQI
14th February 2025
28AQI
28AQI
15th February 2025
29AQI
29AQI
16th February 2025
35AQI
35AQI
17th February 2025
34AQI
34AQI
18th February 2025
31AQI
31AQI
19th February 2025
30AQI
30AQI
20th February 2025
29AQI
29AQI
21st February 2025
30AQI
30AQI
22nd February 2025
30AQI
30AQI
23rd February 2025
32AQI
32AQI
24th February 2025
32AQI
32AQI
25th February 2025
33AQI
33AQI
26th February 2025
35AQI
35AQI
27th February 2025
37AQI
37AQI
28th February 2025
50AQI
50AQI
1st March 2025
52AQI
52AQI
2nd March 2025
54AQI
54AQI
3rd March 2025
38AQI
38AQI
4th March 2025
36AQI
36AQI
5th March 2025
29AQI
29AQI
6th March 2025
32AQI
32AQI
7th March 2025
32AQI
32AQI
8th March 2025
35AQI
35AQI
9th March 2025
35AQI
35AQI
10th March 2025
34AQI
34AQI
11th March 2025
36AQI
36AQI
12th March 2025
49AQI
49AQI
13th March 2025
41AQI
41AQI
14th March 2025
35AQI
35AQI
15th March 2025
31AQI
31AQI
16th March 2025
22AQI
22AQI
17th March 2025
19AQI
19AQI
18th March 2025
21AQI
21AQI
19th March 2025
15AQI
15AQI
20th March 2025
20AQI
20AQI
21st March 2025
34AQI
34AQI
22nd March 2025
41AQI
41AQI
23rd March 2025
46AQI
46AQI
24th March 2025
47AQI
47AQI
25th March 2025
64AQI
64AQI
26th March 2025
69AQI
69AQI
27th March 2025
65AQI
65AQI
28th March 2025
42AQI
42AQI
29th March 2025
32AQI
32AQI
30th March 2025
37AQI
37AQI
31st March 2025
28AQI
28AQI
1st April 2025
27AQI
27AQI
2nd April 2025
20AQI
20AQI
3rd April 2025
20AQI
20AQI
4th April 2025
24AQI
24AQI
5th April 2025
22AQI
22AQI
6th April 2025
19AQI
19AQI
7th April 2025
22AQI
22AQI
8th April 2025
26AQI
26AQI
9th April 2025
23AQI
23AQI
10th April 2025
34AQI
34AQI
11th April 2025
34AQI
34AQI
12th April 2025
32AQI
32AQI
13th April 2025
25AQI
25AQI
14th April 2025
30AQI
30AQI
15th April 2025
25AQI
25AQI
16th April 2025
24AQI
24AQI
17th April 2025
39AQI
39AQI
18th April 2025
45AQI
45AQI
19th April 2025
53AQI
53AQI
20th April 2025
37AQI
37AQI
21st April 2025
38AQI
38AQI
22nd April 2025
34AQI
34AQI
23rd April 2025
21AQI
21AQI
24th April 2025
30AQI
30AQI
25th April 2025
35AQI
35AQI
26th April 2025
33AQI
33AQI
27th April 2025
38AQI
38AQI
28th April 2025
32AQI
32AQI
29th April 2025
24AQI
24AQI
30th April 2025
32AQI
32AQI
1st May 2025
28AQI
28AQI
2nd May 2025
22AQI
22AQI
3rd May 2025
21AQI
21AQI
4th May 2025
31AQI
31AQI
5th May 2025
26AQI
26AQI
6th May 2025
23AQI
23AQI
7th May 2025
21AQI
21AQI
8th May 2025
23AQI
23AQI
9th May 2025
24AQI
24AQI
10th May 2025
17AQI
17AQI
11th May 2025
19AQI
19AQI
12th May 2025
20AQI
20AQI
13th May 2025
27AQI
27AQI
14th May 2025
27AQI
27AQI
15th May 2025
29AQI
29AQI
16th May 2025
33AQI
33AQI
17th May 2025
21AQI
21AQI
18th May 2025
34AQI
34AQI
19th May 2025
32AQI
32AQI
20th May 2025
55AQI
55AQI
21st May 2025
46AQI
46AQI
22nd May 2025
35AQI
35AQI
23rd May 2025
38AQI
38AQI
24th May 2025
35AQI
35AQI
25th May 2025
23AQI
23AQI
26th May 2025
24AQI
24AQI
27th May 2025
21AQI
21AQI
28th May 2025
22AQI
22AQI
29th May 2025
25AQI
25AQI
30th May 2025
20AQI
20AQI
31st May 2025
15AQI
15AQI
1st June 2025
19AQI
19AQI
2nd June 2025
24AQI
24AQI
3rd June 2025
24AQI
24AQI
4th June 2025
20AQI
20AQI
5th June 2025
32AQI
32AQI
6th June 2025
36AQI
36AQI
7th June 2025
40AQI
40AQI
8th June 2025
48AQI
48AQI
9th June 2025
37AQI
37AQI
10th June 2025
29AQI
29AQI
11th June 2025
29AQI
29AQI
12th June 2025
33AQI
33AQI
13th June 2025
35AQI
35AQI
14th June 2025
27AQI
27AQI
15th June 2025
22AQI
22AQI
16th June 2025
31AQI
31AQI
17th June 2025
41AQI
41AQI
18th June 2025
32AQI
32AQI
19th June 2025
33AQI
33AQI
20th June 2025
33AQI
33AQI
21st June 2025
27AQI
27AQI
22nd June 2025
20AQI
20AQI
23rd June 2025
20AQI
20AQI
24th June 2025
17AQI
17AQI
25th June 2025
16AQI
16AQI
26th June 2025
17AQI
17AQI
27th June 2025
29AQI
29AQI
28th June 2025
27AQI
27AQI
29th June 2025
29AQI
29AQI
30th June 2025
35AQI
35AQI
1st July 2025
42AQI
42AQI
2nd July 2025
47AQI
47AQI
3rd July 2025
48AQI
48AQI
4th July 2025
48AQI
48AQI
5th July 2025
49AQI
49AQI
6th July 2025
63AQI
63AQI
7th July 2025
79AQI
79AQI
8th July 2025
79AQI
79AQI
9th July 2025
84AQI
84AQI
10th July 2025
59AQI
59AQI
11th July 2025
47AQI
47AQI
12th July 2025
52AQI
52AQI
13th July 2025
52AQI
52AQI
14th July 2025
40AQI
40AQI
15th July 2025
39AQI
39AQI
16th July 2025
38AQI
38AQI
17th July 2025
40AQI
40AQI
18th July 2025
35AQI
35AQI
19th July 2025
31AQI
31AQI
20th July 2025
32AQI
32AQI
21st July 2025
37AQI
37AQI
22nd July 2025
40AQI
40AQI
23rd July 2025
44AQI
44AQI
24th July 2025
45AQI
45AQI
25th July 2025
42AQI
42AQI
26th July 2025
41AQI
41AQI
27th July 2025
37AQI
37AQI
28th July 2025
42AQI
42AQI
29th July 2025
38AQI
38AQI
30th July 2025
33AQI
33AQI
31st July 2025
33AQI
33AQI
1st August 2025
34AQI
34AQI
2nd August 2025
43AQI
43AQI
3rd August 2025
46AQI
46AQI
4th August 2025
61AQI
61AQI
5th August 2025
52AQI
52AQI
6th August 2025
50AQI
50AQI
7th August 2025
46AQI
46AQI
8th August 2025
45AQI
45AQI
9th August 2025
49AQI
49AQI
10th August 2025
35AQI
35AQI
11th August 2025
37AQI
37AQI
12th August 2025
35AQI
35AQI
13th August 2025
33AQI
33AQI
14th August 2025
36AQI
36AQI
15th August 2025
35AQI
35AQI
16th August 2025
38AQI
38AQI
17th August 2025
40AQI
40AQI
18th August 2025
43AQI
43AQI
19th August 2025
46AQI
46AQI
20th August 2025
48AQI
48AQI
21st August 2025
50AQI
50AQI
22nd August 2025
50AQI
50AQI
23rd August 2025
49AQI
49AQI
24th August 2025
57AQI
57AQI
25th August 2025
57AQI
57AQI
26th August 2025
55AQI
55AQI
27th August 2025
51AQI
51AQI
28th August 2025
47AQI
47AQI
29th August 2025
52AQI
52AQI
30th August 2025
55AQI
55AQI
31st August 2025
53AQI
53AQI
1st September 2025
43AQI
43AQI
2nd September 2025
38AQI
38AQI
3rd September 2025
38AQI
38AQI
4th September 2025
36AQI
36AQI
5th September 2025
32AQI
32AQI
6th September 2025
30AQI
30AQI
7th September 2025
31AQI
31AQI
8th September 2025
40AQI
40AQI
9th September 2025
43AQI
43AQI
10th September 2025
38AQI
38AQI
11th September 2025
32AQI
32AQI
12th September 2025
32AQI
32AQI
13th September 2025
28AQI
28AQI
14th September 2025
37AQI
37AQI
15th September 2025
38AQI
38AQI
16th September 2025
40AQI
40AQI
17th September 2025
49AQI
49AQI
18th September 2025
45AQI
45AQI
19th September 2025
35AQI
35AQI
20th September 2025
34AQI
34AQI
21st September 2025
26AQI
26AQI
22nd September 2025
28AQI
28AQI
23rd September 2025
29AQI
29AQI
24th September 2025
30AQI
30AQI
25th September 2025
35AQI
35AQI
26th September 2025
49AQI
49AQI
27th September 2025
37AQI
37AQI
28th September 2025
31AQI
31AQI
29th September 2025
38AQI
38AQI
30th September 2025
39AQI
39AQI
1st October 2025
45AQI
45AQI
2nd October 2025
48AQI
48AQI
3rd October 2025
58AQI
58AQI
4th October 2025
63AQI
63AQI
5th October 2025
60AQI
60AQI
6th October 2025
54AQI
54AQI
7th October 2025
57AQI
57AQI
8th October 2025
63AQI
63AQI
9th October 2025
60AQI
60AQI
10th October 2025
57AQI
57AQI
11th October 2025
56AQI
56AQI
12th October 2025
47AQI
47AQI
13th October 2025
62AQI
62AQI
14th October 2025
58AQI
58AQI
15th October 2025
54AQI
54AQI
16th October 2025
60AQI
60AQI
17th October 2025
63AQI
63AQI
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
32AQI
32AQI
38AQI
30AQI
27AQI
29AQI
46AQI
46AQI
36AQI
57AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202536AQI
31
28
26
5
29
1
30
1
30
24
7
22
9
30
3
14
253
37
Highest AQI recorded in
October57AQI
Lowest AQI recorded in
May27AQI
202432AQI
31
29
30
1
27
3
30
1
26
4
24
7
30
1
29
1
30
1
28
2
31
345
21
Highest AQI recorded in
July41AQI
Lowest AQI recorded in
January27AQI
202331AQI
31
27
1
29
2
24
6
29
2
26
4
28
3
31
30
31
28
1
31
345
19
Highest AQI recorded in
April42AQI
Lowest AQI recorded in
August19AQI
202231AQI
31
19
2
30
1
28
2
25
6
21
9
21
2
1
28
31
30
31
296
22
Highest AQI recorded in
June44AQI
Lowest AQI recorded in
August18AQI
202125AQI
31
28
30
1
30
29
2
28
2
31
25
6
30
30
1
29
1
31
352
13
Highest AQI recorded in
June35AQI
Lowest AQI recorded in
February12AQI
202016AQI
13
21
18
30
31
27
4
18
1
31
30
31
250
5
Highest AQI recorded in
August29AQI
Lowest AQI recorded in
April11AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
36AQILeast Polluted Year Recorded
2020(Avg.)
16AQIShakujiimachi's annual 2025 AQI (36) shows an average percentage change of 45.9% (worsened AQI) compared to previous years: 2020 (16), 2021 (25), 2022 (31), 2023 (31), 2024 (32).
