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+
August Air Quality Analysis
Shakujiimachi, Niiza, Saitama, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
92AQILowest AQI recorded on
25th Aug 2023
10AQISame Day Analysis (13th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 34 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 13th Aug - 14th Aug 2025
Shakujiimachi, Niiza, Saitama, Japan
AQI
Day
Night
.
4 AM13th Aug 2025
6 PM
3 AM14th Aug 2025
Day time
Avg. Highest Time
4AM13th Aug
38AQI
Avg. Lowest Time
2PM13th Aug
22AQI
Night time
Avg. Highest Time
3AM14th Aug
38AQI
Avg. Lowest Time
7PM13th Aug
28AQI
In the last 24 hours,
Shakujiimachi's AQI reached its highest point of 38 at 4 AM during the Day, while the lowest point, 22, was recorded at 2 PM during the Day between 13th Aug and 14th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Shakujiimachi, Niiza, Saitama, Japan
JulAug
15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th
Day
Night
15th Jul 2025554 AMAQI
15th Jul 2025535 AMAQI
15th Jul 2025536 AMAQI
15th Jul 2025537 AMAQI
15th Jul 2025538 AMAQI
15th Jul 2025339 AMAQI
15th Jul 20252610 AMAQI
15th Jul 20252511 AMAQI
15th Jul 20252212 PMAQI
15th Jul 2025301 PMAQI
15th Jul 2025312 PMAQI
15th Jul 2025353 PMAQI
15th Jul 2025354 PMAQI
15th Jul 2025225 PMAQI
15th Jul 2025226 PMAQI
15th Jul 2025297 PMAQI
15th Jul 2025238 PMAQI
15th Jul 2025389 PMAQI
15th Jul 20253810 PMAQI
15th Jul 20254211 PMAQI
16th Jul 20254412 AMAQI
16th Jul 2025481 AMAQI
16th Jul 2025532 AMAQI
16th Jul 2025533 AMAQI
28°C27/31°C
16th Jul 2025524 AMAQI
16th Jul 2025515 AMAQI
16th Jul 2025516 AMAQI
16th Jul 2025517 AMAQI
16th Jul 2025518 AMAQI
16th Jul 2025539 AMAQI
16th Jul 20254810 AMAQI
16th Jul 20253411 AMAQI
16th Jul 20252812 PMAQI
16th Jul 2025231 PMAQI
16th Jul 2025272 PMAQI
16th Jul 2025193 PMAQI
16th Jul 2025194 PMAQI
16th Jul 2025225 PMAQI
16th Jul 2025226 PMAQI
16th Jul 2025197 PMAQI
16th Jul 2025248 PMAQI
16th Jul 2025399 PMAQI
16th Jul 20253910 PMAQI
16th Jul 20253911 PMAQI
17th Jul 20253712 AMAQI
17th Jul 2025421 AMAQI
17th Jul 2025512 AMAQI
17th Jul 2025513 AMAQI
29°C26/31°C
17th Jul 2025504 AMAQI
17th Jul 2025485 AMAQI
17th Jul 2025486 AMAQI
17th Jul 2025487 AMAQI
17th Jul 2025488 AMAQI
17th Jul 2025269 AMAQI
17th Jul 20252810 AMAQI
17th Jul 20253611 AMAQI
17th Jul 20253212 PMAQI
17th Jul 2025341 PMAQI
17th Jul 2025262 PMAQI
17th Jul 2025303 PMAQI
17th Jul 2025354 PMAQI
17th Jul 2025335 PMAQI
17th Jul 2025316 PMAQI
17th Jul 2025407 PMAQI
17th Jul 2025428 PMAQI
17th Jul 2025449 PMAQI
17th Jul 20254310 PMAQI
17th Jul 20254411 PMAQI
18th Jul 20254212 AMAQI
18th Jul 2025441 AMAQI
18th Jul 2025482 AMAQI
18th Jul 2025483 AMAQI
29°C26/32°C
18th Jul 2025464 AMAQI
18th Jul 2025435 AMAQI
18th Jul 2025446 AMAQI
18th Jul 2025447 AMAQI
18th Jul 2025438 AMAQI
18th Jul 2025309 AMAQI
18th Jul 20252810 AMAQI
18th Jul 20252411 AMAQI
18th Jul 20252512 PMAQI
18th Jul 2025251 PMAQI
18th Jul 2025242 PMAQI
18th Jul 2025233 PMAQI
18th Jul 2025224 PMAQI
18th Jul 2025225 PMAQI
18th Jul 2025256 PMAQI
18th Jul 2025277 PMAQI
18th Jul 2025308 PMAQI
18th Jul 2025389 PMAQI
18th Jul 20253710 PMAQI
18th Jul 20253711 PMAQI
19th Jul 20253612 AMAQI
19th Jul 2025381 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025463 AMAQI
29°C26/33°C
19th Jul 2025444 AMAQI
19th Jul 2025425 AMAQI
19th Jul 2025426 AMAQI
19th Jul 2025427 AMAQI
19th Jul 2025418 AMAQI
19th Jul 2025259 AMAQI
19th Jul 20252010 AMAQI
19th Jul 20252111 AMAQI
19th Jul 20252012 PMAQI
19th Jul 2025201 PMAQI
19th Jul 2025202 PMAQI
19th Jul 2025203 PMAQI
19th Jul 2025254 PMAQI
19th Jul 2025275 PMAQI
19th Jul 2025236 PMAQI
19th Jul 2025247 PMAQI
19th Jul 2025268 PMAQI
19th Jul 2025329 PMAQI
19th Jul 20253210 PMAQI
19th Jul 20253211 PMAQI
20th Jul 20253312 AMAQI
20th Jul 2025331 AMAQI
20th Jul 2025422 AMAQI
20th Jul 2025433 AMAQI
29°C26/33°C
20th Jul 2025424 AMAQI
20th Jul 2025385 AMAQI
20th Jul 2025386 AMAQI
20th Jul 2025387 AMAQI
20th Jul 2025388 AMAQI
20th Jul 2025289 AMAQI
20th Jul 20252510 AMAQI
20th Jul 20252511 AMAQI
20th Jul 20252412 PMAQI
20th Jul 2025251 PMAQI
20th Jul 2025252 PMAQI
20th Jul 2025303 PMAQI
20th Jul 2025244 PMAQI
20th Jul 2025245 PMAQI
20th Jul 2025286 PMAQI
20th Jul 2025327 PMAQI
20th Jul 2025308 PMAQI
20th Jul 2025349 PMAQI
20th Jul 20253310 PMAQI
20th Jul 20253311 PMAQI
21st Jul 20253512 AMAQI
21st Jul 2025361 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025403 AMAQI
30°C27/35°C
21st Jul 2025384 AMAQI
21st Jul 2025375 AMAQI
21st Jul 2025376 AMAQI
21st Jul 2025367 AMAQI
21st Jul 2025378 AMAQI
21st Jul 2025269 AMAQI
21st Jul 20253210 AMAQI
21st Jul 20253811 AMAQI
21st Jul 20254312 PMAQI
21st Jul 2025501 PMAQI
21st Jul 2025512 PMAQI
21st Jul 2025443 PMAQI
21st Jul 2025364 PMAQI
21st Jul 2025325 PMAQI
21st Jul 2025336 PMAQI
21st Jul 2025367 PMAQI
21st Jul 2025338 PMAQI
21st Jul 2025349 PMAQI
21st Jul 20253310 PMAQI
21st Jul 20253211 PMAQI
22nd Jul 20253212 AMAQI
22nd Jul 2025331 AMAQI
22nd Jul 2025362 AMAQI
22nd Jul 2025383 AMAQI
31°C28/36°C
22nd Jul 2025384 AMAQI
22nd Jul 2025385 AMAQI
22nd Jul 2025386 AMAQI
22nd Jul 2025387 AMAQI
22nd Jul 2025388 AMAQI
22nd Jul 2025309 AMAQI
22nd Jul 20253810 AMAQI
22nd Jul 20254511 AMAQI
22nd Jul 20255212 PMAQI
22nd Jul 2025561 PMAQI
22nd Jul 2025582 PMAQI
22nd Jul 2025583 PMAQI
22nd Jul 2025554 PMAQI
22nd Jul 2025525 PMAQI
22nd Jul 2025446 PMAQI
22nd Jul 2025367 PMAQI
22nd Jul 2025288 PMAQI
22nd Jul 2025329 PMAQI
22nd Jul 20253110 PMAQI
22nd Jul 20253211 PMAQI
23rd Jul 20253112 AMAQI
23rd Jul 2025341 AMAQI
23rd Jul 2025382 AMAQI
23rd Jul 2025373 AMAQI
32°C29/36°C
23rd Jul 2025384 AMAQI
23rd Jul 2025405 AMAQI
23rd Jul 2025406 AMAQI
23rd Jul 2025407 AMAQI
23rd Jul 2025408 AMAQI
23rd Jul 2025389 AMAQI
23rd Jul 20255010 AMAQI
23rd Jul 20255711 AMAQI
23rd Jul 20256212 PMAQI
23rd Jul 2025661 PMAQI
23rd Jul 2025642 PMAQI
23rd Jul 2025603 PMAQI
23rd Jul 2025574 PMAQI
23rd Jul 2025565 PMAQI
23rd Jul 2025506 PMAQI
23rd Jul 2025447 PMAQI
23rd Jul 2025368 PMAQI
23rd Jul 2025339 PMAQI
23rd Jul 20253210 PMAQI
23rd Jul 20253011 PMAQI
24th Jul 20253312 AMAQI
24th Jul 2025351 AMAQI
24th Jul 2025382 AMAQI
24th Jul 2025383 AMAQI
32°C29/36°C
24th Jul 2025394 AMAQI
24th Jul 2025445 AMAQI
24th Jul 2025446 AMAQI
24th Jul 2025447 AMAQI
24th Jul 2025448 AMAQI
24th Jul 2025419 AMAQI
24th Jul 20255110 AMAQI
24th Jul 20255911 AMAQI
24th Jul 20256312 PMAQI
24th Jul 2025641 PMAQI
24th Jul 2025632 PMAQI
24th Jul 2025653 PMAQI
24th Jul 2025574 PMAQI
24th Jul 2025535 PMAQI
24th Jul 2025486 PMAQI
24th Jul 2025387 PMAQI
24th Jul 2025348 PMAQI
24th Jul 2025359 PMAQI
24th Jul 20253710 PMAQI
24th Jul 20253811 PMAQI
25th Jul 20253612 AMAQI
25th Jul 2025361 AMAQI
25th Jul 2025392 AMAQI
25th Jul 2025393 AMAQI
32°C29/37°C
25th Jul 2025414 AMAQI
25th Jul 2025465 AMAQI
25th Jul 2025466 AMAQI
25th Jul 2025467 AMAQI
25th Jul 2025458 AMAQI
25th Jul 2025529 AMAQI
25th Jul 20255710 AMAQI
25th Jul 20256011 AMAQI
25th Jul 20256312 PMAQI
25th Jul 2025601 PMAQI
25th Jul 2025572 PMAQI
25th Jul 2025503 PMAQI
25th Jul 2025384 PMAQI
25th Jul 2025395 PMAQI
25th Jul 2025356 PMAQI
25th Jul 2025327 PMAQI
25th Jul 2025308 PMAQI
25th Jul 2025329 PMAQI
25th Jul 20253210 PMAQI
25th Jul 20253211 PMAQI
26th Jul 20253112 AMAQI
26th Jul 2025341 AMAQI
26th Jul 2025412 AMAQI
26th Jul 2025413 AMAQI
32°C29/37°C
26th Jul 2025424 AMAQI
26th Jul 2025465 AMAQI
26th Jul 2025466 AMAQI
26th Jul 2025467 AMAQI
26th Jul 2025468 AMAQI
26th Jul 2025509 AMAQI
26th Jul 20255610 AMAQI
26th Jul 20255811 AMAQI
26th Jul 20256012 PMAQI
26th Jul 2025601 PMAQI
26th Jul 2025522 PMAQI
26th Jul 2025423 PMAQI
26th Jul 2025334 PMAQI
26th Jul 2025325 PMAQI
26th Jul 2025276 PMAQI
26th Jul 2025327 PMAQI
26th Jul 2025298 PMAQI
26th Jul 2025319 PMAQI
26th Jul 20253210 PMAQI
26th Jul 20253311 PMAQI
27th Jul 20253212 AMAQI
27th Jul 2025341 AMAQI
27th Jul 2025392 AMAQI
27th Jul 2025403 AMAQI
32°C29/37°C
27th Jul 2025414 AMAQI
27th Jul 2025465 AMAQI
27th Jul 2025456 AMAQI
27th Jul 2025447 AMAQI
27th Jul 2025448 AMAQI
27th Jul 2025369 AMAQI
27th Jul 20253610 AMAQI
27th Jul 20255111 AMAQI
27th Jul 20255312 PMAQI
27th Jul 2025501 PMAQI
27th Jul 2025442 PMAQI
27th Jul 2025443 PMAQI
27th Jul 2025374 PMAQI
27th Jul 2025305 PMAQI
27th Jul 2025266 PMAQI
27th Jul 2025257 PMAQI
27th Jul 2025248 PMAQI
27th Jul 2025309 PMAQI
27th Jul 20252910 PMAQI
27th Jul 20253011 PMAQI
28th Jul 20253012 AMAQI
28th Jul 2025341 AMAQI
28th Jul 2025402 AMAQI
28th Jul 2025403 AMAQI
32°C29/36°C
28th Jul 2025404 AMAQI
28th Jul 2025425 AMAQI
28th Jul 2025426 AMAQI
28th Jul 2025427 AMAQI
28th Jul 2025428 AMAQI
28th Jul 2025289 AMAQI
28th Jul 20253310 AMAQI
28th Jul 20254211 AMAQI
28th Jul 20254612 PMAQI
28th Jul 2025541 PMAQI
28th Jul 2025562 PMAQI
28th Jul 2025553 PMAQI
28th Jul 2025584 PMAQI
28th Jul 2025605 PMAQI
28th Jul 2025586 PMAQI
28th Jul 2025487 PMAQI
28th Jul 2025328 PMAQI
28th Jul 2025349 PMAQI
28th Jul 20253410 PMAQI
28th Jul 20253411 PMAQI
29th Jul 20253612 AMAQI
29th Jul 2025321 AMAQI
29th Jul 2025382 AMAQI
29th Jul 2025373 AMAQI
32°C29/37°C
29th Jul 2025394 AMAQI
29th Jul 2025405 AMAQI
29th Jul 2025416 AMAQI
29th Jul 2025417 AMAQI
29th Jul 2025408 AMAQI
29th Jul 2025279 AMAQI
29th Jul 20253110 AMAQI
29th Jul 20254411 AMAQI
29th Jul 20254612 PMAQI
29th Jul 2025461 PMAQI
29th Jul 2025492 PMAQI
29th Jul 2025483 PMAQI
29th Jul 2025484 PMAQI
29th Jul 2025445 PMAQI
29th Jul 2025426 PMAQI
29th Jul 2025307 PMAQI
29th Jul 2025298 PMAQI
29th Jul 2025329 PMAQI
29th Jul 20253610 PMAQI
29th Jul 20253611 PMAQI
30th Jul 20253612 AMAQI
30th Jul 2025391 AMAQI
30th Jul 2025382 AMAQI
30th Jul 2025383 AMAQI
32°C28/38°C
30th Jul 2025384 AMAQI
30th Jul 2025405 AMAQI
30th Jul 2025406 AMAQI
30th Jul 2025407 AMAQI
30th Jul 2025408 AMAQI
30th Jul 2025239 AMAQI
30th Jul 20252010 AMAQI
30th Jul 20252311 AMAQI
30th Jul 20252912 PMAQI
30th Jul 2025341 PMAQI
30th Jul 2025322 PMAQI
30th Jul 2025353 PMAQI
30th Jul 2025324 PMAQI
30th Jul 2025305 PMAQI
30th Jul 2025286 PMAQI
30th Jul 2025287 PMAQI
30th Jul 2025328 PMAQI
30th Jul 2025369 PMAQI
30th Jul 20253410 PMAQI
30th Jul 20253411 PMAQI
31st Jul 20253512 AMAQI
31st Jul 2025361 AMAQI
31st Jul 2025372 AMAQI
31st Jul 2025373 AMAQI
31°C28/36°C
31st Jul 2025384 AMAQI
31st Jul 2025385 AMAQI
31st Jul 2025386 AMAQI
31st Jul 2025387 AMAQI
31st Jul 2025388 AMAQI
31st Jul 2025389 AMAQI
31st Jul 20253810 AMAQI
31st Jul 20254011 AMAQI
31st Jul 20253412 PMAQI
31st Jul 2025361 PMAQI
31st Jul 2025382 PMAQI
31st Jul 2025393 PMAQI
31st Jul 2025294 PMAQI
31st Jul 2025285 PMAQI
31st Jul 2025256 PMAQI
31st Jul 2025237 PMAQI
31st Jul 2025258 PMAQI
31st Jul 2025299 PMAQI
31st Jul 20253010 PMAQI
31st Jul 20252611 PMAQI
1st Aug 20252712 AMAQI
1st Aug 2025331 AMAQI
1st Aug 2025342 AMAQI
1st Aug 2025343 AMAQI
29°C26/35°C
1st Aug 2025364 AMAQI
1st Aug 2025355 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025367 AMAQI
1st Aug 2025368 AMAQI
1st Aug 2025399 AMAQI
1st Aug 20252910 AMAQI
1st Aug 20254511 AMAQI
1st Aug 20254212 PMAQI
1st Aug 2025421 PMAQI
1st Aug 2025392 PMAQI
1st Aug 2025333 PMAQI
1st Aug 2025424 PMAQI
1st Aug 2025305 PMAQI
1st Aug 2025396 PMAQI
1st Aug 2025227 PMAQI
1st Aug 2025278 PMAQI
1st Aug 2025289 PMAQI
1st Aug 20252910 PMAQI
1st Aug 20252911 PMAQI
2nd Aug 20252912 AMAQI
2nd Aug 2025301 AMAQI
2nd Aug 2025362 AMAQI
2nd Aug 2025373 AMAQI
29°C27/32°C
2nd Aug 2025384 AMAQI
2nd Aug 2025385 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025367 AMAQI
2nd Aug 2025398 AMAQI
2nd Aug 2025429 AMAQI
2nd Aug 20253610 AMAQI
2nd Aug 20254511 AMAQI
2nd Aug 20254012 PMAQI
2nd Aug 2025481 PMAQI
2nd Aug 2025592 PMAQI
2nd Aug 2025583 PMAQI
2nd Aug 2025544 PMAQI
2nd Aug 2025565 PMAQI
2nd Aug 2025616 PMAQI
2nd Aug 2025567 PMAQI
2nd Aug 2025408 PMAQI
2nd Aug 2025389 PMAQI
2nd Aug 20253710 PMAQI
2nd Aug 20254411 PMAQI
3rd Aug 20253212 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 2025469 AMAQI
3rd Aug 20255410 AMAQI
3rd Aug 20255511 AMAQI
3rd Aug 20255912 PMAQI
3rd Aug 2025541 PMAQI
3rd Aug 2025572 PMAQI
3rd Aug 2025533 PMAQI
3rd Aug 2025504 PMAQI
3rd Aug 2025525 PMAQI
3rd Aug 2025556 PMAQI
3rd Aug 2025547 PMAQI
3rd Aug 2025548 PMAQI
3rd Aug 2025429 PMAQI
3rd Aug 20254410 PMAQI
3rd Aug 20253911 PMAQI
4th Aug 20253812 AMAQI
4th Aug 2025371 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025403 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 20256410 AMAQI
4th Aug 20257911 AMAQI
4th Aug 20258012 PMAQI
4th Aug 2025901 PMAQI
4th Aug 2025922 PMAQI
4th Aug 2025883 PMAQI
4th Aug 2025884 PMAQI
4th Aug 2025945 PMAQI
4th Aug 2025826 PMAQI
4th Aug 2025757 PMAQI
4th Aug 2025668 PMAQI
4th Aug 2025589 PMAQI
4th Aug 20255410 PMAQI
4th Aug 20254711 PMAQI
5th Aug 20255412 AMAQI
5th Aug 2025441 AMAQI
5th Aug 2025422 AMAQI
5th Aug 2025403 AMAQI
33°C30/38°C
5th Aug 2025514 AMAQI
5th Aug 2025545 AMAQI
5th Aug 2025536 AMAQI
5th Aug 2025527 AMAQI
5th Aug 2025538 AMAQI
5th Aug 2025569 AMAQI
5th Aug 20256310 AMAQI
5th Aug 20256011 AMAQI
5th Aug 20255812 PMAQI
5th Aug 2025591 PMAQI
5th Aug 2025592 PMAQI
5th Aug 2025563 PMAQI
5th Aug 2025594 PMAQI
5th Aug 2025565 PMAQI
5th Aug 2025526 PMAQI
5th Aug 2025507 PMAQI
5th Aug 2025548 PMAQI
5th Aug 2025499 PMAQI
5th Aug 20254910 PMAQI
5th Aug 20254711 PMAQI
6th Aug 20254812 AMAQI
6th Aug 2025491 AMAQI
6th Aug 2025502 AMAQI
6th Aug 2025503 AMAQI
35°C30/39°C
6th Aug 2025524 AMAQI
6th Aug 2025535 AMAQI
6th Aug 2025526 AMAQI
6th Aug 2025527 AMAQI
6th Aug 2025528 AMAQI
6th Aug 2025419 AMAQI
6th Aug 20253910 AMAQI
6th Aug 20254211 AMAQI
6th Aug 20255212 PMAQI
6th Aug 2025511 PMAQI
6th Aug 2025522 PMAQI
6th Aug 2025493 PMAQI
6th Aug 2025484 PMAQI
6th Aug 2025585 PMAQI
6th Aug 2025546 PMAQI
6th Aug 2025597 PMAQI
6th Aug 2025538 PMAQI
6th Aug 2025469 PMAQI
6th Aug 20254810 PMAQI
6th Aug 20254411 PMAQI
7th Aug 20254512 AMAQI
7th Aug 2025481 AMAQI
7th Aug 2025522 AMAQI
7th Aug 2025523 AMAQI
33°C30/38°C
7th Aug 2025524 AMAQI
7th Aug 2025505 AMAQI
7th Aug 2025506 AMAQI
7th Aug 2025467 AMAQI
7th Aug 2025518 AMAQI
7th Aug 2025449 AMAQI
7th Aug 20254510 AMAQI
7th Aug 20254511 AMAQI
7th Aug 20252912 PMAQI
7th Aug 2025281 PMAQI
7th Aug 2025262 PMAQI
7th Aug 2025253 PMAQI
7th Aug 2025344 PMAQI
7th Aug 2025455 PMAQI
7th Aug 2025556 PMAQI
7th Aug 2025547 PMAQI
7th Aug 2025558 PMAQI
7th Aug 2025529 PMAQI
7th Aug 20254810 PMAQI
7th Aug 20255011 PMAQI
8th Aug 20255112 AMAQI
8th Aug 2025501 AMAQI
8th Aug 2025502 AMAQI
8th Aug 2025503 AMAQI
32°C29/34°C
8th Aug 2025494 AMAQI
8th Aug 2025475 AMAQI
8th Aug 2025476 AMAQI
8th Aug 2025477 AMAQI
8th Aug 2025488 AMAQI
8th Aug 2025349 AMAQI
8th Aug 20252910 AMAQI
8th Aug 20253311 AMAQI
8th Aug 20253912 PMAQI
8th Aug 2025381 PMAQI
8th Aug 2025392 PMAQI
8th Aug 2025423 PMAQI
8th Aug 2025404 PMAQI
8th Aug 2025355 PMAQI
8th Aug 2025526 PMAQI
8th Aug 2025487 PMAQI
8th Aug 2025538 PMAQI
8th Aug 2025519 PMAQI
8th Aug 20255010 PMAQI
8th Aug 20254311 PMAQI
9th Aug 20254212 AMAQI
9th Aug 2025441 AMAQI
9th Aug 2025502 AMAQI
9th Aug 2025503 AMAQI
30°C25/36°C
9th Aug 2025494 AMAQI
9th Aug 2025465 AMAQI
9th Aug 2025476 AMAQI
9th Aug 2025467 AMAQI
9th Aug 2025478 AMAQI
9th Aug 2025329 AMAQI
9th Aug 20253210 AMAQI
9th Aug 20252911 AMAQI
9th Aug 20253412 PMAQI
9th Aug 2025381 PMAQI
9th Aug 2025432 PMAQI
9th Aug 2025563 PMAQI
9th Aug 2025644 PMAQI
9th Aug 2025665 PMAQI
9th Aug 2025626 PMAQI
9th Aug 2025577 PMAQI
9th Aug 2025568 PMAQI
9th Aug 2025539 PMAQI
9th Aug 20255410 PMAQI
9th Aug 20255211 PMAQI
10th Aug 20255212 AMAQI
10th Aug 2025501 AMAQI
10th Aug 2025482 AMAQI
10th Aug 2025483 AMAQI
29°C25/34°C
10th Aug 2025464 AMAQI
10th Aug 2025465 AMAQI
10th Aug 2025456 AMAQI
10th Aug 2025457 AMAQI
10th Aug 2025468 AMAQI
10th Aug 2025429 AMAQI
10th Aug 20253210 AMAQI
10th Aug 20252911 AMAQI
10th Aug 20251812 PMAQI
10th Aug 2025221 PMAQI
10th Aug 2025222 PMAQI
10th Aug 2025203 PMAQI
10th Aug 2025174 PMAQI
10th Aug 2025205 PMAQI
10th Aug 2025206 PMAQI
10th Aug 2025197 PMAQI
10th Aug 2025228 PMAQI
10th Aug 2025329 PMAQI
10th Aug 20254110 PMAQI
10th Aug 20254211 PMAQI
11th Aug 20253812 AMAQI
11th Aug 2025401 AMAQI
11th Aug 2025482 AMAQI
11th Aug 2025483 AMAQI
27°C26/27°C
11th Aug 2025474 AMAQI
11th Aug 2025445 AMAQI
11th Aug 2025446 AMAQI
11th Aug 2025447 AMAQI
11th Aug 2025448 AMAQI
11th Aug 2025329 AMAQI
11th Aug 20252810 AMAQI
11th Aug 20253011 AMAQI
11th Aug 20252212 PMAQI
11th Aug 2025191 PMAQI
11th Aug 2025262 PMAQI
11th Aug 2025383 PMAQI
11th Aug 2025344 PMAQI
11th Aug 2025505 PMAQI
11th Aug 2025426 PMAQI
11th Aug 2025347 PMAQI
11th Aug 2025338 PMAQI
11th Aug 2025339 PMAQI
11th Aug 20253410 PMAQI
11th Aug 20253211 PMAQI
12th Aug 20253612 AMAQI
12th Aug 2025421 AMAQI
12th Aug 2025452 AMAQI
12th Aug 2025443 AMAQI
28°C27/30°C
12th Aug 2025424 AMAQI
12th Aug 2025415 AMAQI
12th Aug 2025396 AMAQI
12th Aug 2025407 AMAQI
12th Aug 2025418 AMAQI
12th Aug 2025269 AMAQI
12th Aug 20253410 AMAQI
12th Aug 20253811 AMAQI
12th Aug 20253112 PMAQI
12th Aug 2025301 PMAQI
12th Aug 2025262 PMAQI
12th Aug 2025263 PMAQI
12th Aug 2025304 PMAQI
12th Aug 2025285 PMAQI
12th Aug 2025346 PMAQI
12th Aug 2025287 PMAQI
12th Aug 2025358 PMAQI
12th Aug 2025359 PMAQI
12th Aug 20253210 PMAQI
12th Aug 20253311 PMAQI
13th Aug 20253612 AMAQI
13th Aug 2025391 AMAQI
13th Aug 2025402 AMAQI
13th Aug 2025403 AMAQI
28°C27/30°C
13th Aug 2025384 AMAQI
13th Aug 2025375 AMAQI
13th Aug 2025376 AMAQI
13th Aug 2025387 AMAQI
13th Aug 2025378 AMAQI
13th Aug 2025279 AMAQI
13th Aug 20252410 AMAQI
13th Aug 20253011 AMAQI
13th Aug 20252212 PMAQI
13th Aug 2025281 PMAQI
13th Aug 2025222 PMAQI
13th Aug 2025283 PMAQI
13th Aug 2025274 PMAQI
13th Aug 2025365 PMAQI
13th Aug 2025286 PMAQI
13th Aug 2025287 PMAQI
13th Aug 2025318 PMAQI
13th Aug 2025349 PMAQI
13th Aug 20253210 PMAQI
13th Aug 20253411 PMAQI
14th Aug 20253212 AMAQI
14th Aug 2025371 AMAQI
14th Aug 2025372 AMAQI
14th Aug 2025383 AMAQI
28°C26/32°C
14th Aug 2025374 AMAQI
4 AM14th Aug 2025355 AMAQI
14th Aug 2025366 AMAQI
14th Aug 2025357 AMAQI
14th Aug 2025358 AMAQI
14th Aug 2025319 AMAQI
14th Aug 20253210 AMAQI
14th Aug 20254011 AMAQI
11 AM14th Aug 20253712 PMAQI
14th Aug 2025381 PMAQI
14th Aug 2025342 PMAQI
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
43AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
9 AM - 10 AM
37AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 8 AM (Avg. 43), while the lowest AQI was between 9 AM to 10 AM (Avg. 37).
Night time
Avg. Highest Time
2 AM - 3 AM
43AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
8 PM
36AQI
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. 43), while the lowest AQI was between 8 PM to 8 PM (Avg. 36).
2025 Days Vs Air Quality
Shakujiimachi, Niiza, Saitama, Japan
2025
93%
209
7%
16
Total number of days with different AQI categories in last 226 days in 2025 (139 days remaining)
Good
209 DaysModerate
16 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2025, 93% of 226 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
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.
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
34AQI
34AQI
32AQI
32AQI
38AQI
30AQI
27AQI
29AQI
46AQI
44AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202534AQI
31
28
26
5
29
1
30
1
30
24
7
11
2
209
16
Highest AQI recorded in
July46AQI
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.)
34AQILeast Polluted Year Recorded
2020(Avg.)
16AQIShakujiimachi's annual 2025 AQI (34) shows an average percentage change of 36.4% (worsened AQI) compared to previous years: 2020 (16), 2021 (25), 2022 (31), 2023 (31), 2024 (32).
