Miyacho, Kumagaya, 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
Miyacho, Kumagaya, Saitama, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Oct 2025
70AQILowest AQI recorded on
13th Oct 2021
18AQISame Day Analysis (17th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 57 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
Miyacho, Kumagaya, Saitama, Japan
AQI
Day
Night
.
5 AM17th Oct 2025
5 PM
4 AM18th Oct 2025
Day time
Avg. Highest Time
1PM17th Oct
74AQI
Avg. Lowest Time
6AM17th Oct
48AQI
Night time
Avg. Highest Time
6PM17th Oct
61AQI
Avg. Lowest Time
10PM17th Oct
46AQI
In the last 24 hours,
Miyacho's AQI reached its highest point of 74 at 1 PM during the Day, while the lowest point, 46, was recorded at 10 PM during the Night between 17th Oct and 18th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Miyacho, Kumagaya, 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 2025375 AMAQI
18th Sep 2025376 AMAQI
18th Sep 2025377 AMAQI
18th Sep 2025368 AMAQI
18th Sep 2025509 AMAQI
18th Sep 20255610 AMAQI
18th Sep 20256011 AMAQI
18th Sep 20255912 PMAQI
18th Sep 2025551 PMAQI
18th Sep 2025532 PMAQI
18th Sep 2025483 PMAQI
18th Sep 2025364 PMAQI
18th Sep 2025205 PMAQI
18th Sep 2025226 PMAQI
18th Sep 2025267 PMAQI
18th Sep 2025308 PMAQI
18th Sep 2025339 PMAQI
18th Sep 20253310 PMAQI
18th Sep 20253211 PMAQI
19th Sep 20253212 AMAQI
19th Sep 2025341 AMAQI
19th Sep 2025342 AMAQI
19th Sep 2025353 AMAQI
19th Sep 2025364 AMAQI
29°C23/36°C
19th Sep 2025395 AMAQI
19th Sep 2025386 AMAQI
19th Sep 2025387 AMAQI
19th Sep 2025398 AMAQI
19th Sep 2025219 AMAQI
19th Sep 20251710 AMAQI
19th Sep 20251711 AMAQI
19th Sep 20252112 PMAQI
19th Sep 2025211 PMAQI
19th Sep 2025232 PMAQI
19th Sep 2025263 PMAQI
19th Sep 2025284 PMAQI
19th Sep 2025325 PMAQI
19th Sep 2025306 PMAQI
19th Sep 2025307 PMAQI
19th Sep 2025328 PMAQI
19th Sep 2025349 PMAQI
19th Sep 20253310 PMAQI
19th Sep 20253211 PMAQI
20th Sep 20253212 AMAQI
20th Sep 2025361 AMAQI
20th Sep 2025362 AMAQI
20th Sep 2025363 AMAQI
20th Sep 2025364 AMAQI
22°C21/23°C
20th Sep 2025345 AMAQI
20th Sep 2025346 AMAQI
20th Sep 2025357 AMAQI
20th Sep 2025348 AMAQI
20th Sep 2025219 AMAQI
20th Sep 20251710 AMAQI
20th Sep 20251611 AMAQI
20th Sep 20251912 PMAQI
20th Sep 2025241 PMAQI
20th Sep 2025262 PMAQI
20th Sep 2025273 PMAQI
20th Sep 2025294 PMAQI
20th Sep 2025285 PMAQI
20th Sep 2025276 PMAQI
20th Sep 2025317 PMAQI
20th Sep 2025328 PMAQI
20th Sep 2025339 PMAQI
20th Sep 20253310 PMAQI
20th Sep 20253211 PMAQI
21st Sep 20253212 AMAQI
21st Sep 2025331 AMAQI
21st Sep 2025342 AMAQI
21st Sep 2025343 AMAQI
21st Sep 2025344 AMAQI
23°C21/24°C
21st Sep 2025325 AMAQI
21st Sep 2025336 AMAQI
21st Sep 2025327 AMAQI
21st Sep 2025328 AMAQI
21st Sep 2025189 AMAQI
21st Sep 20251510 AMAQI
21st Sep 20251311 AMAQI
21st Sep 20251412 PMAQI
21st Sep 2025171 PMAQI
21st Sep 2025182 PMAQI
21st Sep 2025203 PMAQI
21st Sep 2025214 PMAQI
21st Sep 2025175 PMAQI
21st Sep 2025166 PMAQI
21st Sep 2025177 PMAQI
21st Sep 2025228 PMAQI
21st Sep 2025289 PMAQI
21st Sep 20252810 PMAQI
21st Sep 20252811 PMAQI
22nd Sep 20252812 AMAQI
22nd Sep 2025311 AMAQI
22nd Sep 2025322 AMAQI
22nd Sep 2025323 AMAQI
22nd Sep 2025314 AMAQI
25°C22/31°C
22nd Sep 2025295 AMAQI
22nd Sep 2025306 AMAQI
22nd Sep 2025307 AMAQI
22nd Sep 2025308 AMAQI
22nd Sep 2025199 AMAQI
22nd Sep 20252410 AMAQI
22nd Sep 20252011 AMAQI
22nd Sep 20252012 PMAQI
22nd Sep 2025231 PMAQI
22nd Sep 2025252 PMAQI
22nd Sep 2025283 PMAQI
22nd Sep 2025274 PMAQI
22nd Sep 2025285 PMAQI
22nd Sep 2025286 PMAQI
22nd Sep 2025267 PMAQI
22nd Sep 2025278 PMAQI
22nd Sep 2025289 PMAQI
22nd Sep 20252710 PMAQI
22nd Sep 20252811 PMAQI
23rd Sep 20252712 AMAQI
23rd Sep 2025281 AMAQI
23rd Sep 2025302 AMAQI
23rd Sep 2025313 AMAQI
23rd Sep 2025304 AMAQI
23°C20/26°C
23rd Sep 2025295 AMAQI
23rd Sep 2025296 AMAQI
23rd Sep 2025297 AMAQI
23rd Sep 2025288 AMAQI
23rd Sep 2025249 AMAQI
23rd Sep 20252210 AMAQI
23rd Sep 20252211 AMAQI
23rd Sep 20252412 PMAQI
23rd Sep 2025241 PMAQI
23rd Sep 2025242 PMAQI
23rd Sep 2025233 PMAQI
23rd Sep 2025254 PMAQI
23rd Sep 2025305 PMAQI
23rd Sep 2025306 PMAQI
23rd Sep 2025347 PMAQI
23rd Sep 2025338 PMAQI
23rd Sep 2025309 PMAQI
23rd Sep 20252910 PMAQI
23rd Sep 20252811 PMAQI
24th Sep 20252812 AMAQI
24th Sep 2025281 AMAQI
24th Sep 2025282 AMAQI
24th Sep 2025293 AMAQI
24th Sep 2025284 AMAQI
23°C20/26°C
24th Sep 2025285 AMAQI
24th Sep 2025286 AMAQI
24th Sep 2025287 AMAQI
24th Sep 2025288 AMAQI
24th Sep 2025289 AMAQI
24th Sep 20252410 AMAQI
24th Sep 20252411 AMAQI
24th Sep 20252612 PMAQI
24th Sep 2025261 PMAQI
24th Sep 2025292 PMAQI
24th Sep 2025313 PMAQI
24th Sep 2025334 PMAQI
24th Sep 2025355 PMAQI
24th Sep 2025366 PMAQI
24th Sep 2025347 PMAQI
24th Sep 2025348 PMAQI
24th Sep 2025289 PMAQI
24th Sep 20252910 PMAQI
24th Sep 20252811 PMAQI
25th Sep 20252712 AMAQI
25th Sep 2025281 AMAQI
25th Sep 2025282 AMAQI
25th Sep 2025283 AMAQI
25th Sep 2025284 AMAQI
23°C20/27°C
25th Sep 2025285 AMAQI
25th Sep 2025286 AMAQI
25th Sep 2025287 AMAQI
25th Sep 2025288 AMAQI
25th Sep 2025309 AMAQI
25th Sep 20252210 AMAQI
25th Sep 20253811 AMAQI
25th Sep 20254512 PMAQI
25th Sep 2025391 PMAQI
25th Sep 2025432 PMAQI
25th Sep 2025603 PMAQI
25th Sep 2025594 PMAQI
25th Sep 2025565 PMAQI
25th Sep 2025556 PMAQI
25th Sep 2025587 PMAQI
25th Sep 2025598 PMAQI
25th Sep 2025589 PMAQI
25th Sep 20255710 PMAQI
25th Sep 20255911 PMAQI
26th Sep 20255912 AMAQI
26th Sep 2025551 AMAQI
26th Sep 2025542 AMAQI
26th Sep 2025523 AMAQI
26th Sep 2025514 AMAQI
25°C21/30°C
26th Sep 2025505 AMAQI
26th Sep 2025506 AMAQI
26th Sep 2025537 AMAQI
26th Sep 2025528 AMAQI
26th Sep 2025579 AMAQI
26th Sep 20255610 AMAQI
26th Sep 20255511 AMAQI
26th Sep 20255712 PMAQI
26th Sep 2025581 PMAQI
26th Sep 2025572 PMAQI
26th Sep 2025543 PMAQI
26th Sep 2025564 PMAQI
26th Sep 2025595 PMAQI
26th Sep 2025556 PMAQI
26th Sep 2025577 PMAQI
26th Sep 2025578 PMAQI
26th Sep 2025499 PMAQI
26th Sep 20255210 PMAQI
26th Sep 20255411 PMAQI
27th Sep 20254612 AMAQI
27th Sep 2025431 AMAQI
27th Sep 2025442 AMAQI
27th Sep 2025443 AMAQI
27th Sep 2025424 AMAQI
27°C23/32°C
27th Sep 2025405 AMAQI
27th Sep 2025406 AMAQI
27th Sep 2025247 AMAQI
27th Sep 2025228 AMAQI
27th Sep 2025229 AMAQI
27th Sep 20253110 AMAQI
27th Sep 20253711 AMAQI
27th Sep 20254012 PMAQI
27th Sep 2025391 PMAQI
27th Sep 2025332 PMAQI
27th Sep 2025303 PMAQI
27th Sep 2025344 PMAQI
27th Sep 2025425 PMAQI
27th Sep 2025516 PMAQI
27th Sep 2025467 PMAQI
27th Sep 2025448 PMAQI
27th Sep 2025349 PMAQI
27th Sep 20254010 PMAQI
27th Sep 20254211 PMAQI
28th Sep 20253912 AMAQI
28th Sep 2025341 AMAQI
28th Sep 2025332 AMAQI
28th Sep 2025433 AMAQI
28th Sep 2025424 AMAQI
26°C23/29°C
28th Sep 2025395 AMAQI
28th Sep 2025396 AMAQI
28th Sep 2025437 AMAQI
28th Sep 2025448 AMAQI
28th Sep 2025429 AMAQI
28th Sep 20253910 AMAQI
28th Sep 20254911 AMAQI
28th Sep 20254612 PMAQI
28th Sep 2025521 PMAQI
28th Sep 2025522 PMAQI
28th Sep 2025503 PMAQI
28th Sep 2025504 PMAQI
28th Sep 2025455 PMAQI
28th Sep 2025496 PMAQI
28th Sep 2025427 PMAQI
28th Sep 2025418 PMAQI
28th Sep 2025449 PMAQI
28th Sep 20254010 PMAQI
28th Sep 20253711 PMAQI
29th Sep 20253312 AMAQI
29th Sep 2025381 AMAQI
29th Sep 2025362 AMAQI
29th Sep 2025383 AMAQI
29th Sep 2025474 AMAQI
25°C23/27°C
29th Sep 2025495 AMAQI
29th Sep 2025446 AMAQI
29th Sep 2025447 AMAQI
29th Sep 2025448 AMAQI
29th Sep 2025349 AMAQI
29th Sep 20253810 AMAQI
29th Sep 20253511 AMAQI
29th Sep 20252612 PMAQI
29th Sep 2025221 PMAQI
29th Sep 2025222 PMAQI
29th Sep 2025193 PMAQI
29th Sep 2025224 PMAQI
29th Sep 2025205 PMAQI
29th Sep 2025206 PMAQI
29th Sep 2025197 PMAQI
29th Sep 2025128 PMAQI
29th Sep 2025129 PMAQI
29th Sep 20251510 PMAQI
29th Sep 20251611 PMAQI
30th Sep 20251612 AMAQI
30th Sep 2025151 AMAQI
30th Sep 2025152 AMAQI
30th Sep 2025113 AMAQI
30th Sep 2025124 AMAQI
27°C23/34°C
30th Sep 2025145 AMAQI
30th Sep 2025156 AMAQI
30th Sep 2025207 AMAQI
30th Sep 2025238 AMAQI
30th Sep 2025209 AMAQI
30th Sep 20251910 AMAQI
30th Sep 20251311 AMAQI
30th Sep 20252112 PMAQI
30th Sep 2025321 PMAQI
30th Sep 2025362 PMAQI
30th Sep 2025333 PMAQI
30th Sep 2025364 PMAQI
30th Sep 2025445 PMAQI
30th Sep 2025416 PMAQI
30th Sep 2025387 PMAQI
30th Sep 2025388 PMAQI
30th Sep 2025419 PMAQI
30th Sep 20253310 PMAQI
30th Sep 20253311 PMAQI
1st Oct 20253212 AMAQI
1st Oct 2025361 AMAQI
1st Oct 2025292 AMAQI
1st Oct 2025323 AMAQI
1st Oct 2025324 AMAQI
24°C22/27°C
1st Oct 2025325 AMAQI
1st Oct 2025316 AMAQI
1st Oct 2025357 AMAQI
1st Oct 2025308 AMAQI
1st Oct 2025379 AMAQI
1st Oct 20252310 AMAQI
1st Oct 20251711 AMAQI
1st Oct 20252112 PMAQI
1st Oct 2025231 PMAQI
1st Oct 2025232 PMAQI
1st Oct 2025293 PMAQI
1st Oct 2025324 PMAQI
1st Oct 2025335 PMAQI
1st Oct 2025296 PMAQI
1st Oct 2025267 PMAQI
1st Oct 2025348 PMAQI
1st Oct 2025279 PMAQI
1st Oct 20252610 PMAQI
1st Oct 20252311 PMAQI
2nd Oct 20252212 AMAQI
2nd Oct 2025381 AMAQI
2nd Oct 2025442 AMAQI
2nd Oct 2025403 AMAQI
2nd Oct 2025504 AMAQI
20°C19/20°C
2nd Oct 2025485 AMAQI
2nd Oct 2025436 AMAQI
2nd Oct 2025447 AMAQI
2nd Oct 2025388 AMAQI
2nd Oct 2025439 AMAQI
2nd Oct 20253610 AMAQI
2nd Oct 20253811 AMAQI
2nd Oct 20253512 PMAQI
2nd Oct 2025481 PMAQI
2nd Oct 2025502 PMAQI
2nd Oct 2025403 PMAQI
2nd Oct 2025414 PMAQI
2nd Oct 2025435 PMAQI
2nd Oct 2025496 PMAQI
2nd Oct 2025547 PMAQI
2nd Oct 2025508 PMAQI
2nd Oct 2025559 PMAQI
2nd Oct 20255610 PMAQI
2nd Oct 20255811 PMAQI
3rd Oct 20255912 AMAQI
3rd Oct 2025571 AMAQI
3rd Oct 2025532 AMAQI
3rd Oct 2025543 AMAQI
3rd Oct 2025554 AMAQI
22°C18/28°C
3rd Oct 2025535 AMAQI
3rd Oct 2025516 AMAQI
3rd Oct 2025517 AMAQI
3rd Oct 2025538 AMAQI
3rd Oct 2025529 AMAQI
3rd Oct 20254810 AMAQI
3rd Oct 20254911 AMAQI
3rd Oct 20255012 PMAQI
3rd Oct 2025501 PMAQI
3rd Oct 2025482 PMAQI
3rd Oct 2025493 PMAQI
3rd Oct 2025414 PMAQI
3rd Oct 2025455 PMAQI
3rd Oct 2025536 PMAQI
3rd Oct 2025517 PMAQI
3rd Oct 2025508 PMAQI
3rd Oct 2025749 PMAQI
3rd Oct 20257510 PMAQI
3rd Oct 20258011 PMAQI
4th Oct 20257412 AMAQI
4th Oct 2025671 AMAQI
4th Oct 2025692 AMAQI
4th Oct 2025713 AMAQI
4th Oct 2025714 AMAQI
23°C20/26°C
4th Oct 2025725 AMAQI
4th Oct 2025726 AMAQI
4th Oct 2025757 AMAQI
4th Oct 2025748 AMAQI
4th Oct 2025749 AMAQI
4th Oct 20256210 AMAQI
4th Oct 20256311 AMAQI
4th Oct 20256312 PMAQI
4th Oct 2025691 PMAQI
4th Oct 2025702 PMAQI
4th Oct 2025693 PMAQI
4th Oct 2025704 PMAQI
4th Oct 2025705 PMAQI
4th Oct 2025676 PMAQI
4th Oct 2025637 PMAQI
4th Oct 2025688 PMAQI
4th Oct 2025749 PMAQI
4th Oct 20257210 PMAQI
4th Oct 20257211 PMAQI
5th Oct 20256312 AMAQI
5th Oct 2025621 AMAQI
5th Oct 2025582 AMAQI
5th Oct 2025593 AMAQI
5th Oct 2025624 AMAQI
23°C21/24°C
5th Oct 2025625 AMAQI
5th Oct 2025606 AMAQI
5th Oct 2025617 AMAQI
5th Oct 2025548 AMAQI
5th Oct 2025549 AMAQI
5th Oct 20255310 AMAQI
5th Oct 20255811 AMAQI
5th Oct 20255612 PMAQI
5th Oct 2025581 PMAQI
5th Oct 2025422 PMAQI
5th Oct 2025493 PMAQI
5th Oct 2025544 PMAQI
5th Oct 2025605 PMAQI
5th Oct 2025626 PMAQI
5th Oct 2025637 PMAQI
5th Oct 2025578 PMAQI
5th Oct 2025539 PMAQI
5th Oct 20255310 PMAQI
5th Oct 20255211 PMAQI
6th Oct 20256512 AMAQI
6th Oct 2025591 AMAQI
6th Oct 2025552 AMAQI
6th Oct 2025523 AMAQI
6th Oct 2025524 AMAQI
24°C20/28°C
6th Oct 2025525 AMAQI
6th Oct 2025586 AMAQI
6th Oct 2025607 AMAQI
6th Oct 2025588 AMAQI
6th Oct 2025619 AMAQI
6th Oct 20256410 AMAQI
6th Oct 20256611 AMAQI
6th Oct 20256312 PMAQI
6th Oct 2025591 PMAQI
6th Oct 2025592 PMAQI
6th Oct 2025453 PMAQI
6th Oct 2025404 PMAQI
6th Oct 2025405 PMAQI
6th Oct 2025476 PMAQI
6th Oct 2025657 PMAQI
6th Oct 2025658 PMAQI
6th Oct 2025669 PMAQI
6th Oct 20257110 PMAQI
6th Oct 20256811 PMAQI
7th Oct 20256912 AMAQI
7th Oct 2025661 AMAQI
7th Oct 2025662 AMAQI
25°C20/30°C
7th Oct 2025538 PMAQI
7th Oct 2025469 PMAQI
7th Oct 20256410 PMAQI
7th Oct 20256111 PMAQI
8th Oct 20256412 AMAQI
8th Oct 2025641 AMAQI
8th Oct 2025622 AMAQI
8th Oct 2025643 AMAQI
8th Oct 2025584 AMAQI
20°C20/21°C
8th Oct 2025565 AMAQI
8th Oct 2025576 AMAQI
8th Oct 2025617 AMAQI
8th Oct 2025638 AMAQI
8th Oct 2025559 AMAQI
8th Oct 20255410 AMAQI
8th Oct 20255411 AMAQI
8th Oct 20256412 PMAQI
8th Oct 2025651 PMAQI
8th Oct 2025552 PMAQI
8th Oct 2025523 PMAQI
8th Oct 2025554 PMAQI
8th Oct 2025545 PMAQI
8th Oct 2025616 PMAQI
8th Oct 2025717 PMAQI
8th Oct 2025708 PMAQI
8th Oct 2025789 PMAQI
8th Oct 20258110 PMAQI
8th Oct 20258411 PMAQI
9th Oct 20258112 AMAQI
9th Oct 2025681 AMAQI
9th Oct 2025642 AMAQI
9th Oct 2025633 AMAQI
9th Oct 2025764 AMAQI
24°C20/29°C
9th Oct 2025745 AMAQI
9th Oct 2025786 AMAQI
9th Oct 2025537 AMAQI
9th Oct 2025478 AMAQI
9th Oct 2025459 AMAQI
9th Oct 20254610 AMAQI
9th Oct 20254511 AMAQI
9th Oct 20254412 PMAQI
9th Oct 2025481 PMAQI
9th Oct 2025432 PMAQI
9th Oct 2025513 PMAQI
9th Oct 2025544 PMAQI
9th Oct 2025545 PMAQI
9th Oct 2025576 PMAQI
9th Oct 2025577 PMAQI
9th Oct 2025548 PMAQI
9th Oct 2025529 PMAQI
9th Oct 20255110 PMAQI
9th Oct 20255111 PMAQI
10th Oct 20254912 AMAQI
10th Oct 2025491 AMAQI
10th Oct 2025532 AMAQI
10th Oct 2025483 AMAQI
10th Oct 2025514 AMAQI
21°C18/22°C
10th Oct 2025545 AMAQI
10th Oct 2025556 AMAQI
10th Oct 2025527 AMAQI
10th Oct 2025538 AMAQI
10th Oct 2025519 AMAQI
10th Oct 20255010 AMAQI
10th Oct 20254911 AMAQI
10th Oct 20255212 PMAQI
10th Oct 2025551 PMAQI
10th Oct 2025532 PMAQI
10th Oct 2025553 PMAQI
10th Oct 2025554 PMAQI
10th Oct 2025565 PMAQI
10th Oct 2025576 PMAQI
10th Oct 2025687 PMAQI
10th Oct 2025698 PMAQI
10th Oct 2025779 PMAQI
10th Oct 20257910 PMAQI
10th Oct 20258011 PMAQI
11th Oct 20257412 AMAQI
11th Oct 2025691 AMAQI
11th Oct 2025732 AMAQI
11th Oct 2025713 AMAQI
11th Oct 2025724 AMAQI
21°C18/24°C
11th Oct 2025685 AMAQI
11th Oct 2025666 AMAQI
11th Oct 2025687 AMAQI
11th Oct 2025738 AMAQI
11th Oct 2025619 AMAQI
11th Oct 20255910 AMAQI
11th Oct 20255911 AMAQI
11th Oct 20256312 PMAQI
11th Oct 2025631 PMAQI
11th Oct 2025602 PMAQI
11th Oct 2025543 PMAQI
11th Oct 2025544 PMAQI
11th Oct 2025535 PMAQI
11th Oct 2025526 PMAQI
11th Oct 2025467 PMAQI
11th Oct 2025468 PMAQI
11th Oct 2025459 PMAQI
11th Oct 20254610 PMAQI
11th Oct 20254211 PMAQI
12th Oct 20255012 AMAQI
12th Oct 2025501 AMAQI
12th Oct 2025482 AMAQI
12th Oct 2025533 AMAQI
12th Oct 2025544 AMAQI
19°C18/20°C
12th Oct 2025485 AMAQI
12th Oct 2025536 AMAQI
12th Oct 2025457 AMAQI
12th Oct 2025528 AMAQI
12th Oct 2025569 AMAQI
12th Oct 20255610 AMAQI
12th Oct 20256011 AMAQI
12th Oct 20256212 PMAQI
12th Oct 2025661 PMAQI
12th Oct 2025592 PMAQI
12th Oct 2025563 PMAQI
12th Oct 2025554 PMAQI
12th Oct 2025585 PMAQI
12th Oct 2025616 PMAQI
12th Oct 2025587 PMAQI
12th Oct 2025588 PMAQI
12th Oct 2025599 PMAQI
12th Oct 20256410 PMAQI
12th Oct 20256211 PMAQI
13th Oct 20256312 AMAQI
13th Oct 2025631 AMAQI
13th Oct 2025662 AMAQI
13th Oct 2025653 AMAQI
13th Oct 2025654 AMAQI
22°C17/26°C
13th Oct 2025635 AMAQI
13th Oct 2025616 AMAQI
13th Oct 2025627 AMAQI
13th Oct 2025658 AMAQI
13th Oct 2025589 AMAQI
13th Oct 20255710 AMAQI
13th Oct 20255911 AMAQI
13th Oct 20256712 PMAQI
13th Oct 2025771 PMAQI
13th Oct 2025782 PMAQI
13th Oct 2025713 PMAQI
13th Oct 2025704 PMAQI
13th Oct 2025665 PMAQI
13th Oct 2025636 PMAQI
13th Oct 2025587 PMAQI
13th Oct 2025618 PMAQI
13th Oct 2025659 PMAQI
13th Oct 20256310 PMAQI
13th Oct 20256311 PMAQI
14th Oct 20256012 AMAQI
14th Oct 2025511 AMAQI
14th Oct 2025532 AMAQI
14th Oct 2025533 AMAQI
14th Oct 2025534 AMAQI
22°C21/24°C
14th Oct 2025635 AMAQI
14th Oct 2025606 AMAQI
14th Oct 2025627 AMAQI
14th Oct 2025638 AMAQI
14th Oct 2025599 AMAQI
14th Oct 20255710 AMAQI
14th Oct 20255711 AMAQI
14th Oct 20255612 PMAQI
14th Oct 2025651 PMAQI
14th Oct 2025572 PMAQI
14th Oct 2025573 PMAQI
14th Oct 2025564 PMAQI
14th Oct 2025635 PMAQI
14th Oct 2025666 PMAQI
14th Oct 2025667 PMAQI
14th Oct 2025658 PMAQI
14th Oct 2025659 PMAQI
14th Oct 20256310 PMAQI
14th Oct 20256811 PMAQI
15th Oct 20256412 AMAQI
15th Oct 2025601 AMAQI
15th Oct 2025572 AMAQI
15th Oct 2025573 AMAQI
15th Oct 2025574 AMAQI
19°C16/20°C
15th Oct 2025595 AMAQI
15th Oct 2025626 AMAQI
15th Oct 2025587 AMAQI
15th Oct 2025568 AMAQI
15th Oct 2025569 AMAQI
15th Oct 20255710 AMAQI
15th Oct 20256011 AMAQI
15th Oct 20256012 PMAQI
15th Oct 2025591 PMAQI
15th Oct 2025622 PMAQI
15th Oct 2025613 PMAQI
15th Oct 2025574 PMAQI
15th Oct 2025555 PMAQI
15th Oct 2025566 PMAQI
15th Oct 2025577 PMAQI
15th Oct 2025578 PMAQI
15th Oct 2025589 PMAQI
15th Oct 20255610 PMAQI
15th Oct 20255411 PMAQI
16th Oct 20255312 AMAQI
16th Oct 2025651 AMAQI
16th Oct 2025702 AMAQI
16th Oct 2025693 AMAQI
16th Oct 2025664 AMAQI
19°C16/23°C
16th Oct 2025645 AMAQI
16th Oct 2025676 AMAQI
16th Oct 2025687 AMAQI
16th Oct 2025688 AMAQI
16th Oct 2025669 AMAQI
16th Oct 20256510 AMAQI
16th Oct 20256511 AMAQI
16th Oct 20255812 PMAQI
16th Oct 2025551 PMAQI
16th Oct 2025562 PMAQI
16th Oct 2025573 PMAQI
16th Oct 2025574 PMAQI
16th Oct 2025605 PMAQI
16th Oct 2025656 PMAQI
16th Oct 2025657 PMAQI
16th Oct 2025638 PMAQI
16th Oct 2025639 PMAQI
16th Oct 20256410 PMAQI
16th Oct 20256411 PMAQI
17th Oct 20256812 AMAQI
17th Oct 2025611 AMAQI
17th Oct 2025432 AMAQI
17th Oct 2025413 AMAQI
17th Oct 2025464 AMAQI
18°C17/19°C
17th Oct 2025485 AMAQI
17th Oct 2025486 AMAQI
17th Oct 2025547 AMAQI
17th Oct 2025538 AMAQI
17th Oct 2025499 AMAQI
17th Oct 20255410 AMAQI
17th Oct 20255711 AMAQI
17th Oct 20256612 PMAQI
17th Oct 2025741 PMAQI
17th Oct 2025642 PMAQI
17th Oct 2025583 PMAQI
17th Oct 2025564 PMAQI
17th Oct 2025565 PMAQI
17th Oct 2025616 PMAQI
17th Oct 2025587 PMAQI
17th Oct 2025528 PMAQI
17th Oct 2025489 PMAQI
17th Oct 20254610 PMAQI
17th Oct 20254811 PMAQI
18th Oct 20256012 AMAQI
18th Oct 2025561 AMAQI
18th Oct 2025542 AMAQI
18th Oct 2025543 AMAQI
18th Oct 2025544 AMAQI
21°C18/26°C
18th Oct 2025525 AMAQI
5 AM18th Oct 2025546 AMAQI
18th Oct 2025657 AMAQI
18th Oct 2025678 AMAQI
18th Oct 2025689 AMAQI
18th Oct 20257110 AMAQI
18th Oct 20256911 AMAQI
11 AM18th Oct 20257112 PMAQI
18th Oct 2025701 PMAQI
18th Oct 2025672 PMAQI
18th Oct 2025663 PMAQI
18th Oct 2025674 PMAQI
18th Oct 2025665 PMAQI
5 PM11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
1 PM
48AQI
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 1 PM to 1 PM (Avg. 48), while the lowest AQI was between 9 AM to 11 AM (Avg. 44).
Night time
Avg. Highest Time
12 AM - 11 PM
48AQI
11 hours / Day
330 hours / Month
Avg. Lowest Time
12 AM - 3 AM
48AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 48), while the lowest AQI was between 12 AM to 3 AM (Avg. 48).
2025 Days Vs Air Quality
Miyacho, Kumagaya, Saitama, Japan
2025
81%
234
19%
56
Total number of days with different AQI categories in last 291 days in 2025 (74 days remaining)
Good
234 DaysModerate
56 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 81%
Health Risk Level:
Low
In 2025, 81% of 291 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
Miyacho, Kumagaya, 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
26AQI
26AQI
4th January 2025
27AQI
27AQI
5th January 2025
37AQI
37AQI
6th January 2025
50AQI
50AQI
7th January 2025
33AQI
33AQI
8th January 2025
36AQI
36AQI
9th January 2025
28AQI
28AQI
10th January 2025
27AQI
27AQI
11th January 2025
27AQI
27AQI
12th January 2025
38AQI
38AQI
13th January 2025
29AQI
29AQI
14th January 2025
34AQI
34AQI
15th January 2025
33AQI
33AQI
16th January 2025
32AQI
32AQI
17th January 2025
29AQI
29AQI
18th January 2025
35AQI
35AQI
19th January 2025
44AQI
44AQI
20th January 2025
43AQI
43AQI
21st January 2025
46AQI
46AQI
22nd January 2025
40AQI
40AQI
23rd January 2025
47AQI
47AQI
24th January 2025
50AQI
50AQI
25th January 2025
38AQI
38AQI
26th January 2025
38AQI
38AQI
27th January 2025
39AQI
39AQI
28th January 2025
44AQI
44AQI
29th January 2025
34AQI
34AQI
30th January 2025
35AQI
35AQI
31st January 2025
30AQI
30AQI
1st February 2025
42AQI
42AQI
2nd February 2025
46AQI
46AQI
3rd February 2025
45AQI
45AQI
4th February 2025
39AQI
39AQI
5th February 2025
36AQI
36AQI
6th February 2025
29AQI
29AQI
7th February 2025
33AQI
33AQI
8th February 2025
30AQI
30AQI
9th February 2025
30AQI
30AQI
10th February 2025
29AQI
29AQI
11th February 2025
31AQI
31AQI
12th February 2025
40AQI
40AQI
13th February 2025
34AQI
34AQI
14th February 2025
34AQI
34AQI
15th February 2025
31AQI
31AQI
16th February 2025
40AQI
40AQI
17th February 2025
37AQI
37AQI
18th February 2025
33AQI
33AQI
19th February 2025
31AQI
31AQI
20th February 2025
31AQI
31AQI
21st February 2025
32AQI
32AQI
22nd February 2025
31AQI
31AQI
23rd February 2025
32AQI
32AQI
24th February 2025
33AQI
33AQI
25th February 2025
35AQI
35AQI
26th February 2025
38AQI
38AQI
27th February 2025
43AQI
43AQI
28th February 2025
53AQI
53AQI
1st March 2025
54AQI
54AQI
2nd March 2025
58AQI
58AQI
3rd March 2025
42AQI
42AQI
4th March 2025
38AQI
38AQI
5th March 2025
27AQI
27AQI
6th March 2025
34AQI
34AQI
7th March 2025
32AQI
32AQI
8th March 2025
43AQI
43AQI
9th March 2025
38AQI
38AQI
10th March 2025
40AQI
40AQI
11th March 2025
47AQI
47AQI
12th March 2025
53AQI
53AQI
13th March 2025
53AQI
53AQI
14th March 2025
42AQI
42AQI
15th March 2025
43AQI
43AQI
16th March 2025
26AQI
26AQI
17th March 2025
24AQI
24AQI
18th March 2025
26AQI
26AQI
19th March 2025
19AQI
19AQI
20th March 2025
26AQI
26AQI
21st March 2025
38AQI
38AQI
22nd March 2025
47AQI
47AQI
23rd March 2025
57AQI
57AQI
24th March 2025
64AQI
64AQI
25th March 2025
74AQI
74AQI
26th March 2025
76AQI
76AQI
27th March 2025
75AQI
75AQI
28th March 2025
59AQI
59AQI
29th March 2025
36AQI
36AQI
30th March 2025
41AQI
41AQI
31st March 2025
33AQI
33AQI
1st April 2025
35AQI
35AQI
2nd April 2025
22AQI
22AQI
3rd April 2025
25AQI
25AQI
4th April 2025
22AQI
22AQI
5th April 2025
31AQI
31AQI
6th April 2025
27AQI
27AQI
7th April 2025
34AQI
34AQI
8th April 2025
40AQI
40AQI
9th April 2025
29AQI
29AQI
10th April 2025
47AQI
47AQI
11th April 2025
43AQI
43AQI
12th April 2025
45AQI
45AQI
13th April 2025
32AQI
32AQI
14th April 2025
30AQI
30AQI
15th April 2025
25AQI
25AQI
16th April 2025
29AQI
29AQI
17th April 2025
45AQI
45AQI
18th April 2025
56AQI
56AQI
19th April 2025
69AQI
69AQI
20th April 2025
64AQI
64AQI
21st April 2025
47AQI
47AQI
22nd April 2025
55AQI
55AQI
23rd April 2025
34AQI
34AQI
24th April 2025
45AQI
45AQI
25th April 2025
42AQI
42AQI
26th April 2025
53AQI
53AQI
27th April 2025
51AQI
51AQI
28th April 2025
56AQI
56AQI
29th April 2025
40AQI
40AQI
30th April 2025
51AQI
51AQI
1st May 2025
45AQI
45AQI
2nd May 2025
33AQI
33AQI
3rd May 2025
34AQI
34AQI
4th May 2025
38AQI
38AQI
5th May 2025
36AQI
36AQI
6th May 2025
33AQI
33AQI
7th May 2025
27AQI
27AQI
8th May 2025
34AQI
34AQI
9th May 2025
34AQI
34AQI
10th May 2025
25AQI
25AQI
11th May 2025
23AQI
23AQI
12th May 2025
24AQI
24AQI
13th May 2025
36AQI
36AQI
14th May 2025
42AQI
42AQI
15th May 2025
42AQI
42AQI
16th May 2025
49AQI
49AQI
17th May 2025
31AQI
31AQI
18th May 2025
44AQI
44AQI
19th May 2025
47AQI
47AQI
20th May 2025
58AQI
58AQI
21st May 2025
66AQI
66AQI
22nd May 2025
56AQI
56AQI
23rd May 2025
53AQI
53AQI
24th May 2025
49AQI
49AQI
25th May 2025
34AQI
34AQI
26th May 2025
34AQI
34AQI
27th May 2025
31AQI
31AQI
28th May 2025
30AQI
30AQI
29th May 2025
35AQI
35AQI
30th May 2025
30AQI
30AQI
31st May 2025
23AQI
23AQI
1st June 2025
23AQI
23AQI
2nd June 2025
33AQI
33AQI
3rd June 2025
35AQI
35AQI
4th June 2025
29AQI
29AQI
5th June 2025
41AQI
41AQI
6th June 2025
46AQI
46AQI
7th June 2025
52AQI
52AQI
8th June 2025
61AQI
61AQI
9th June 2025
57AQI
57AQI
10th June 2025
40AQI
40AQI
11th June 2025
37AQI
37AQI
12th June 2025
41AQI
41AQI
13th June 2025
48AQI
48AQI
14th June 2025
41AQI
41AQI
15th June 2025
30AQI
30AQI
16th June 2025
35AQI
35AQI
17th June 2025
45AQI
45AQI
18th June 2025
43AQI
43AQI
19th June 2025
46AQI
46AQI
20th June 2025
46AQI
46AQI
21st June 2025
41AQI
41AQI
22nd June 2025
34AQI
34AQI
23rd June 2025
34AQI
34AQI
24th June 2025
32AQI
32AQI
25th June 2025
29AQI
29AQI
26th June 2025
29AQI
29AQI
27th June 2025
34AQI
34AQI
28th June 2025
34AQI
34AQI
29th June 2025
38AQI
38AQI
30th June 2025
42AQI
42AQI
1st July 2025
43AQI
43AQI
2nd July 2025
43AQI
43AQI
3rd July 2025
47AQI
47AQI
4th July 2025
47AQI
47AQI
5th July 2025
48AQI
48AQI
6th July 2025
53AQI
53AQI
7th July 2025
69AQI
69AQI
8th July 2025
73AQI
73AQI
9th July 2025
74AQI
74AQI
10th July 2025
64AQI
64AQI
11th July 2025
54AQI
54AQI
12th July 2025
56AQI
56AQI
13th July 2025
55AQI
55AQI
14th July 2025
49AQI
49AQI
15th July 2025
45AQI
45AQI
16th July 2025
48AQI
48AQI
17th July 2025
45AQI
45AQI
18th July 2025
42AQI
42AQI
19th July 2025
39AQI
39AQI
20th July 2025
38AQI
38AQI
21st July 2025
39AQI
39AQI
22nd July 2025
39AQI
39AQI
23rd July 2025
43AQI
43AQI
24th July 2025
44AQI
44AQI
25th July 2025
44AQI
44AQI
26th July 2025
44AQI
44AQI
27th July 2025
42AQI
42AQI
28th July 2025
43AQI
43AQI
29th July 2025
43AQI
43AQI
30th July 2025
37AQI
37AQI
31st July 2025
38AQI
38AQI
1st August 2025
33AQI
33AQI
2nd August 2025
38AQI
38AQI
3rd August 2025
43AQI
43AQI
4th August 2025
55AQI
55AQI
5th August 2025
50AQI
50AQI
6th August 2025
48AQI
48AQI
7th August 2025
40AQI
40AQI
8th August 2025
37AQI
37AQI
9th August 2025
39AQI
39AQI
10th August 2025
39AQI
39AQI
11th August 2025
37AQI
37AQI
12th August 2025
34AQI
34AQI
13th August 2025
32AQI
32AQI
14th August 2025
31AQI
31AQI
15th August 2025
33AQI
33AQI
16th August 2025
34AQI
34AQI
17th August 2025
38AQI
38AQI
18th August 2025
40AQI
40AQI
19th August 2025
42AQI
42AQI
20th August 2025
46AQI
46AQI
21st August 2025
46AQI
46AQI
22nd August 2025
47AQI
47AQI
23rd August 2025
47AQI
47AQI
24th August 2025
53AQI
53AQI
25th August 2025
55AQI
55AQI
26th August 2025
54AQI
54AQI
27th August 2025
50AQI
50AQI
28th August 2025
46AQI
46AQI
29th August 2025
48AQI
48AQI
30th August 2025
53AQI
53AQI
31st August 2025
51AQI
51AQI
1st September 2025
44AQI
44AQI
2nd September 2025
37AQI
37AQI
3rd September 2025
34AQI
34AQI
4th September 2025
32AQI
32AQI
5th September 2025
26AQI
26AQI
6th September 2025
27AQI
27AQI
7th September 2025
30AQI
30AQI
8th September 2025
33AQI
33AQI
9th September 2025
36AQI
36AQI
10th September 2025
35AQI
35AQI
11th September 2025
29AQI
29AQI
12th September 2025
29AQI
29AQI
13th September 2025
26AQI
26AQI
14th September 2025
31AQI
31AQI
15th September 2025
34AQI
34AQI
16th September 2025
39AQI
39AQI
17th September 2025
42AQI
42AQI
18th September 2025
37AQI
37AQI
19th September 2025
31AQI
31AQI
20th September 2025
30AQI
30AQI
21st September 2025
26AQI
26AQI
22nd September 2025
27AQI
27AQI
23rd September 2025
28AQI
28AQI
24th September 2025
29AQI
29AQI
25th September 2025
42AQI
42AQI
26th September 2025
55AQI
55AQI
27th September 2025
40AQI
40AQI
28th September 2025
42AQI
42AQI
29th September 2025
29AQI
29AQI
30th September 2025
25AQI
25AQI
1st October 2025
30AQI
30AQI
2nd October 2025
41AQI
41AQI
3rd October 2025
55AQI
55AQI
4th October 2025
70AQI
70AQI
5th October 2025
59AQI
59AQI
6th October 2025
57AQI
57AQI
7th October 2025
60AQI
60AQI
8th October 2025
63AQI
63AQI
9th October 2025
63AQI
63AQI
10th October 2025
57AQI
57AQI
11th October 2025
62AQI
62AQI
12th October 2025
55AQI
55AQI
13th October 2025
64AQI
64AQI
14th October 2025
61AQI
61AQI
15th October 2025
59AQI
59AQI
16th October 2025
62AQI
62AQI
17th October 2025
57AQI
57AQI
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
36AQI
36AQI
44AQI
41AQI
38AQI
39AQI
48AQI
43AQI
34AQI
57AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202541AQI
31
27
1
21
10
22
8
27
4
27
3
23
8
25
6
29
1
2
15
234
56
Highest AQI recorded in
October57AQI
Lowest AQI recorded in
September34AQI
202439AQI
29
2
26
3
25
6
15
15
25
6
26
4
21
10
31
28
2
28
3
23
7
30
1
307
59
Highest AQI recorded in
April51AQI
Lowest AQI recorded in
August30AQI
202340AQI
27
4
23
5
18
13
18
12
24
7
24
6
24
7
31
30
27
4
20
9
21
10
287
77
Highest AQI recorded in
April50AQI
Lowest AQI recorded in
August27AQI
202240AQI
27
3
17
4
19
12
17
12
24
7
19
11
18
3
1
27
1
27
4
22
8
31
249
65
Highest AQI recorded in
April47AQI
Lowest AQI recorded in
December30AQI
202137AQI
24
7
22
6
21
10
25
5
26
5
24
6
29
2
29
2
29
1
27
4
23
7
27
4
306
59
Highest AQI recorded in
March45AQI
Lowest AQI recorded in
August30AQI
202034AQI
9
4
17
4
18
26
4
31
24
7
19
27
4
20
10
24
7
215
40
Highest AQI recorded in
November44AQI
Lowest AQI recorded in
September23AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
41AQILeast Polluted Year Recorded
2020(Avg.)
34AQIMiyacho's annual 2025 AQI (41) shows an average percentage change of 7.6% (worsened AQI) compared to previous years: 2020 (34), 2021 (37), 2022 (40), 2023 (40), 2024 (39).
