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+
August Air Quality Analysis
Miyacho, Kumagaya, Saitama, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
56AQILowest AQI recorded on
30th Aug 2024
10AQISame Day Analysis (7th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 41 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 7th Aug - 8th Aug 2025
Miyacho, Kumagaya, Saitama, Japan
AQI
Day
Night
.
4 AM7th Aug 2025
6 PM
3 AM8th Aug 2025
Day time
Avg. Highest Time
5AM7th Aug
48AQI
Avg. Lowest Time
3PM7th Aug
23AQI
Night time
Avg. Highest Time
2AM8th Aug
45AQI
Avg. Lowest Time
7PM7th Aug
36AQI
In the last 24 hours,
Miyacho's AQI reached its highest point of 48 at 5 AM during the Day, while the lowest point, 23, was recorded at 3 PM during the Day between 7th Aug and 8th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Miyacho, Kumagaya, Saitama, Japan
JulAug
09th - 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 - 08th08th
Day
Night
9th Jul 2025644 AMAQI
9th Jul 2025685 AMAQI
9th Jul 2025686 AMAQI
9th Jul 2025687 AMAQI
9th Jul 2025688 AMAQI
9th Jul 2025869 AMAQI
9th Jul 20258810 AMAQI
9th Jul 20258711 AMAQI
9th Jul 20258412 PMAQI
9th Jul 2025791 PMAQI
9th Jul 2025782 PMAQI
9th Jul 2025843 PMAQI
9th Jul 2025924 PMAQI
9th Jul 2025905 PMAQI
9th Jul 2025886 PMAQI
9th Jul 2025877 PMAQI
9th Jul 2025768 PMAQI
9th Jul 2025709 PMAQI
9th Jul 20256710 PMAQI
9th Jul 20256611 PMAQI
10th Jul 20256612 AMAQI
10th Jul 2025671 AMAQI
10th Jul 2025692 AMAQI
10th Jul 2025683 AMAQI
32°C28/37°C
10th Jul 2025694 AMAQI
10th Jul 2025725 AMAQI
10th Jul 2025726 AMAQI
10th Jul 2025707 AMAQI
10th Jul 2025728 AMAQI
10th Jul 2025469 AMAQI
10th Jul 20254710 AMAQI
10th Jul 20256211 AMAQI
10th Jul 20257112 PMAQI
10th Jul 2025721 PMAQI
10th Jul 2025702 PMAQI
10th Jul 2025703 PMAQI
10th Jul 2025684 PMAQI
10th Jul 2025595 PMAQI
10th Jul 2025546 PMAQI
10th Jul 2025507 PMAQI
10th Jul 2025508 PMAQI
10th Jul 2025629 PMAQI
10th Jul 20256310 PMAQI
10th Jul 20256211 PMAQI
11th Jul 20256312 AMAQI
11th Jul 2025661 AMAQI
11th Jul 2025682 AMAQI
11th Jul 2025683 AMAQI
29°C24/36°C
11th Jul 2025694 AMAQI
11th Jul 2025675 AMAQI
11th Jul 2025686 AMAQI
11th Jul 2025687 AMAQI
11th Jul 2025688 AMAQI
11th Jul 2025349 AMAQI
11th Jul 20252010 AMAQI
11th Jul 20251811 AMAQI
11th Jul 20252012 PMAQI
11th Jul 2025421 PMAQI
11th Jul 2025442 PMAQI
11th Jul 2025443 PMAQI
11th Jul 2025464 PMAQI
11th Jul 2025465 PMAQI
11th Jul 2025456 PMAQI
11th Jul 2025437 PMAQI
11th Jul 2025468 PMAQI
11th Jul 2025619 PMAQI
11th Jul 20256110 PMAQI
11th Jul 20256211 PMAQI
12th Jul 20256012 AMAQI
12th Jul 2025631 AMAQI
12th Jul 2025652 AMAQI
12th Jul 2025663 AMAQI
23°C22/23°C
12th Jul 2025654 AMAQI
12th Jul 2025635 AMAQI
12th Jul 2025636 AMAQI
12th Jul 2025637 AMAQI
12th Jul 2025638 AMAQI
12th Jul 2025409 AMAQI
12th Jul 20253110 AMAQI
12th Jul 20253111 AMAQI
12th Jul 20253412 PMAQI
12th Jul 2025501 PMAQI
12th Jul 2025522 PMAQI
12th Jul 2025523 PMAQI
12th Jul 2025524 PMAQI
12th Jul 2025535 PMAQI
12th Jul 2025526 PMAQI
12th Jul 2025507 PMAQI
12th Jul 2025528 PMAQI
12th Jul 2025589 PMAQI
12th Jul 20255810 PMAQI
12th Jul 20255811 PMAQI
13th Jul 20255812 AMAQI
13th Jul 2025591 AMAQI
13th Jul 2025622 AMAQI
13th Jul 2025613 AMAQI
25°C22/29°C
13th Jul 2025614 AMAQI
13th Jul 2025605 AMAQI
13th Jul 2025596 AMAQI
13th Jul 2025607 AMAQI
13th Jul 2025608 AMAQI
13th Jul 2025489 AMAQI
13th Jul 20254210 AMAQI
13th Jul 20253811 AMAQI
13th Jul 20253812 PMAQI
13th Jul 2025531 PMAQI
13th Jul 2025542 PMAQI
13th Jul 2025543 PMAQI
13th Jul 2025544 PMAQI
13th Jul 2025555 PMAQI
13th Jul 2025546 PMAQI
13th Jul 2025537 PMAQI
13th Jul 2025528 PMAQI
13th Jul 2025579 PMAQI
13th Jul 20255610 PMAQI
13th Jul 20255611 PMAQI
14th Jul 20255612 AMAQI
14th Jul 2025571 AMAQI
14th Jul 2025592 AMAQI
14th Jul 2025593 AMAQI
27°C23/32°C
14th Jul 2025594 AMAQI
14th Jul 2025585 AMAQI
14th Jul 2025576 AMAQI
14th Jul 2025587 AMAQI
14th Jul 2025588 AMAQI
14th Jul 2025329 AMAQI
14th Jul 20252310 AMAQI
14th Jul 20252411 AMAQI
14th Jul 20252112 PMAQI
14th Jul 2025381 PMAQI
14th Jul 2025392 PMAQI
14th Jul 2025423 PMAQI
14th Jul 2025424 PMAQI
14th Jul 2025455 PMAQI
14th Jul 2025416 PMAQI
14th Jul 2025467 PMAQI
14th Jul 2025448 PMAQI
14th Jul 2025559 PMAQI
14th Jul 20255410 PMAQI
14th Jul 20255511 PMAQI
15th Jul 20255512 AMAQI
15th Jul 2025561 AMAQI
15th Jul 2025572 AMAQI
15th Jul 2025583 AMAQI
26°C24/29°C
15th Jul 2025574 AMAQI
15th Jul 2025555 AMAQI
15th Jul 2025566 AMAQI
15th Jul 2025557 AMAQI
15th Jul 2025558 AMAQI
15th Jul 2025269 AMAQI
15th Jul 20252010 AMAQI
15th Jul 20251511 AMAQI
15th Jul 20252112 PMAQI
15th Jul 2025361 PMAQI
15th Jul 2025362 PMAQI
15th Jul 2025363 PMAQI
15th Jul 2025364 PMAQI
15th Jul 2025345 PMAQI
15th Jul 2025366 PMAQI
15th Jul 2025357 PMAQI
15th Jul 2025338 PMAQI
15th Jul 2025529 PMAQI
15th Jul 20255410 PMAQI
15th Jul 20255211 PMAQI
16th Jul 20255212 AMAQI
16th Jul 2025541 AMAQI
16th Jul 2025552 AMAQI
16th Jul 2025553 AMAQI
28°C26/33°C
16th Jul 2025554 AMAQI
16th Jul 2025545 AMAQI
16th Jul 2025546 AMAQI
16th Jul 2025547 AMAQI
16th Jul 2025548 AMAQI
16th Jul 2025389 AMAQI
16th Jul 20255510 AMAQI
16th Jul 20255211 AMAQI
16th Jul 20253712 PMAQI
16th Jul 2025391 PMAQI
16th Jul 2025422 PMAQI
16th Jul 2025423 PMAQI
16th Jul 2025344 PMAQI
16th Jul 2025385 PMAQI
16th Jul 2025386 PMAQI
16th Jul 2025367 PMAQI
16th Jul 2025338 PMAQI
16th Jul 2025499 PMAQI
16th Jul 20255010 PMAQI
16th Jul 20255011 PMAQI
17th Jul 20255112 AMAQI
17th Jul 2025521 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025533 AMAQI
29°C25/34°C
17th Jul 2025524 AMAQI
17th Jul 2025525 AMAQI
17th Jul 2025526 AMAQI
17th Jul 2025527 AMAQI
17th Jul 2025528 AMAQI
17th Jul 2025249 AMAQI
17th Jul 20251610 AMAQI
17th Jul 20252611 AMAQI
17th Jul 20253212 PMAQI
17th Jul 2025371 PMAQI
17th Jul 2025382 PMAQI
17th Jul 2025363 PMAQI
17th Jul 2025394 PMAQI
17th Jul 2025375 PMAQI
17th Jul 2025406 PMAQI
17th Jul 2025447 PMAQI
17th Jul 2025468 PMAQI
17th Jul 2025479 PMAQI
17th Jul 20254710 PMAQI
17th Jul 20254711 PMAQI
18th Jul 20254712 AMAQI
18th Jul 2025491 AMAQI
18th Jul 2025502 AMAQI
18th Jul 2025503 AMAQI
29°C26/33°C
18th Jul 2025504 AMAQI
18th Jul 2025505 AMAQI
18th Jul 2025496 AMAQI
18th Jul 2025487 AMAQI
18th Jul 2025498 AMAQI
18th Jul 2025329 AMAQI
18th Jul 20252610 AMAQI
18th Jul 20253711 AMAQI
18th Jul 20253812 PMAQI
18th Jul 2025381 PMAQI
18th Jul 2025362 PMAQI
18th Jul 2025333 PMAQI
18th Jul 2025324 PMAQI
18th Jul 2025325 PMAQI
18th Jul 2025336 PMAQI
18th Jul 2025357 PMAQI
18th Jul 2025358 PMAQI
18th Jul 2025429 PMAQI
18th Jul 20254310 PMAQI
18th Jul 20254311 PMAQI
19th Jul 20254312 AMAQI
19th Jul 2025441 AMAQI
19th Jul 2025472 AMAQI
19th Jul 2025473 AMAQI
29°C25/34°C
19th Jul 2025464 AMAQI
19th Jul 2025445 AMAQI
19th Jul 2025466 AMAQI
19th Jul 2025467 AMAQI
19th Jul 2025468 AMAQI
19th Jul 2025309 AMAQI
19th Jul 20252510 AMAQI
19th Jul 20253211 AMAQI
19th Jul 20253912 PMAQI
19th Jul 2025351 PMAQI
19th Jul 2025332 PMAQI
19th Jul 2025313 PMAQI
19th Jul 2025314 PMAQI
19th Jul 2025285 PMAQI
19th Jul 2025296 PMAQI
19th Jul 2025307 PMAQI
19th Jul 2025348 PMAQI
19th Jul 2025409 PMAQI
19th Jul 20254010 PMAQI
19th Jul 20253911 PMAQI
20th Jul 20254012 AMAQI
20th Jul 2025421 AMAQI
20th Jul 2025442 AMAQI
20th Jul 2025443 AMAQI
30°C26/35°C
20th Jul 2025444 AMAQI
20th Jul 2025435 AMAQI
20th Jul 2025446 AMAQI
20th Jul 2025437 AMAQI
20th Jul 2025448 AMAQI
20th Jul 2025359 AMAQI
20th Jul 20252710 AMAQI
20th Jul 20253511 AMAQI
20th Jul 20253712 PMAQI
20th Jul 2025361 PMAQI
20th Jul 2025372 PMAQI
20th Jul 2025343 PMAQI
20th Jul 2025374 PMAQI
20th Jul 2025365 PMAQI
20th Jul 2025316 PMAQI
20th Jul 2025327 PMAQI
20th Jul 2025348 PMAQI
20th Jul 2025379 PMAQI
20th Jul 20253810 PMAQI
20th Jul 20253711 PMAQI
21st Jul 20253812 AMAQI
21st Jul 2025391 AMAQI
21st Jul 2025412 AMAQI
21st Jul 2025423 AMAQI
31°C27/37°C
21st Jul 2025414 AMAQI
21st Jul 2025405 AMAQI
21st Jul 2025396 AMAQI
21st Jul 2025407 AMAQI
21st Jul 2025408 AMAQI
21st Jul 2025269 AMAQI
21st Jul 20253110 AMAQI
21st Jul 20254011 AMAQI
21st Jul 20254612 PMAQI
21st Jul 2025431 PMAQI
21st Jul 2025422 PMAQI
21st Jul 2025453 PMAQI
21st Jul 2025434 PMAQI
21st Jul 2025435 PMAQI
21st Jul 2025446 PMAQI
21st Jul 2025417 PMAQI
21st Jul 2025388 PMAQI
21st Jul 2025389 PMAQI
21st Jul 20253710 PMAQI
21st Jul 20253711 PMAQI
22nd Jul 20253612 AMAQI
22nd Jul 2025381 AMAQI
22nd Jul 2025402 AMAQI
22nd Jul 2025393 AMAQI
32°C27/38°C
22nd Jul 2025394 AMAQI
22nd Jul 2025405 AMAQI
22nd Jul 2025396 AMAQI
22nd Jul 2025397 AMAQI
22nd Jul 2025408 AMAQI
22nd Jul 2025279 AMAQI
22nd Jul 20253210 AMAQI
22nd Jul 20254711 AMAQI
22nd Jul 20255012 PMAQI
22nd Jul 2025471 PMAQI
22nd Jul 2025422 PMAQI
22nd Jul 2025443 PMAQI
22nd Jul 2025474 PMAQI
22nd Jul 2025465 PMAQI
22nd Jul 2025426 PMAQI
22nd Jul 2025397 PMAQI
22nd Jul 2025408 PMAQI
22nd Jul 2025399 PMAQI
22nd Jul 20253410 PMAQI
22nd Jul 20253411 PMAQI
23rd Jul 20253412 AMAQI
23rd Jul 2025351 AMAQI
23rd Jul 2025382 AMAQI
23rd Jul 2025383 AMAQI
33°C28/38°C
23rd Jul 2025384 AMAQI
23rd Jul 2025395 AMAQI
23rd Jul 2025396 AMAQI
23rd Jul 2025407 AMAQI
23rd Jul 2025408 AMAQI
23rd Jul 2025359 AMAQI
23rd Jul 20255310 AMAQI
23rd Jul 20256011 AMAQI
23rd Jul 20256012 PMAQI
23rd Jul 2025561 PMAQI
23rd Jul 2025552 PMAQI
23rd Jul 2025543 PMAQI
23rd Jul 2025594 PMAQI
23rd Jul 2025555 PMAQI
23rd Jul 2025516 PMAQI
23rd Jul 2025517 PMAQI
23rd Jul 2025478 PMAQI
23rd Jul 2025419 PMAQI
23rd Jul 20253910 PMAQI
23rd Jul 20253811 PMAQI
24th Jul 20253812 AMAQI
24th Jul 2025381 AMAQI
24th Jul 2025362 AMAQI
24th Jul 2025373 AMAQI
32°C27/38°C
24th Jul 2025384 AMAQI
24th Jul 2025415 AMAQI
24th Jul 2025416 AMAQI
24th Jul 2025417 AMAQI
24th Jul 2025418 AMAQI
24th Jul 2025509 AMAQI
24th Jul 20255410 AMAQI
24th Jul 20255811 AMAQI
24th Jul 20255712 PMAQI
24th Jul 2025551 PMAQI
24th Jul 2025552 PMAQI
24th Jul 2025563 PMAQI
24th Jul 2025574 PMAQI
24th Jul 2025585 PMAQI
24th Jul 2025506 PMAQI
24th Jul 2025457 PMAQI
24th Jul 2025428 PMAQI
24th Jul 2025389 PMAQI
24th Jul 20253910 PMAQI
24th Jul 20253811 PMAQI
25th Jul 20253912 AMAQI
25th Jul 2025401 AMAQI
25th Jul 2025392 AMAQI
25th Jul 2025393 AMAQI
32°C27/38°C
25th Jul 2025404 AMAQI
25th Jul 2025425 AMAQI
25th Jul 2025426 AMAQI
25th Jul 2025427 AMAQI
25th Jul 2025428 AMAQI
25th Jul 2025389 AMAQI
25th Jul 20255010 AMAQI
25th Jul 20256011 AMAQI
25th Jul 20255812 PMAQI
25th Jul 2025551 PMAQI
25th Jul 2025572 PMAQI
25th Jul 2025583 PMAQI
25th Jul 2025584 PMAQI
25th Jul 2025505 PMAQI
25th Jul 2025436 PMAQI
25th Jul 2025447 PMAQI
25th Jul 2025418 PMAQI
25th Jul 2025439 PMAQI
25th Jul 20253910 PMAQI
25th Jul 20253811 PMAQI
26th Jul 20254012 AMAQI
26th Jul 2025401 AMAQI
26th Jul 2025412 AMAQI
26th Jul 2025403 AMAQI
32°C28/39°C
26th Jul 2025404 AMAQI
26th Jul 2025435 AMAQI
26th Jul 2025436 AMAQI
26th Jul 2025447 AMAQI
26th Jul 2025448 AMAQI
26th Jul 2025519 AMAQI
26th Jul 20255710 AMAQI
26th Jul 20256111 AMAQI
26th Jul 20255912 PMAQI
26th Jul 2025551 PMAQI
26th Jul 2025542 PMAQI
26th Jul 2025533 PMAQI
26th Jul 2025554 PMAQI
26th Jul 2025475 PMAQI
26th Jul 2025376 PMAQI
26th Jul 2025387 PMAQI
26th Jul 2025408 PMAQI
26th Jul 2025429 PMAQI
26th Jul 20254210 PMAQI
26th Jul 20254311 PMAQI
27th Jul 20254112 AMAQI
27th Jul 2025401 AMAQI
27th Jul 2025422 AMAQI
27th Jul 2025413 AMAQI
32°C27/39°C
27th Jul 2025424 AMAQI
27th Jul 2025455 AMAQI
27th Jul 2025446 AMAQI
27th Jul 2025447 AMAQI
27th Jul 2025448 AMAQI
27th Jul 2025459 AMAQI
27th Jul 20255010 AMAQI
27th Jul 20255511 AMAQI
27th Jul 20255412 PMAQI
27th Jul 2025511 PMAQI
27th Jul 2025522 PMAQI
27th Jul 2025523 PMAQI
27th Jul 2025434 PMAQI
27th Jul 2025505 PMAQI
27th Jul 2025366 PMAQI
27th Jul 2025327 PMAQI
27th Jul 2025348 PMAQI
27th Jul 2025399 PMAQI
27th Jul 20253910 PMAQI
27th Jul 20253711 PMAQI
28th Jul 20253812 AMAQI
28th Jul 2025401 AMAQI
28th Jul 2025442 AMAQI
28th Jul 2025423 AMAQI
33°C28/38°C
28th Jul 2025444 AMAQI
28th Jul 2025455 AMAQI
28th Jul 2025456 AMAQI
28th Jul 2025447 AMAQI
28th Jul 2025458 AMAQI
28th Jul 2025309 AMAQI
28th Jul 20253810 AMAQI
28th Jul 20255211 AMAQI
28th Jul 20254612 PMAQI
28th Jul 2025461 PMAQI
28th Jul 2025452 PMAQI
28th Jul 2025453 PMAQI
28th Jul 2025474 PMAQI
28th Jul 2025465 PMAQI
28th Jul 2025506 PMAQI
28th Jul 2025547 PMAQI
28th Jul 2025478 PMAQI
28th Jul 2025439 PMAQI
28th Jul 20254210 PMAQI
28th Jul 20254211 PMAQI
29th Jul 20254312 AMAQI
29th Jul 2025421 AMAQI
29th Jul 2025422 AMAQI
29th Jul 2025423 AMAQI
33°C28/38°C
29th Jul 2025424 AMAQI
29th Jul 2025445 AMAQI
29th Jul 2025446 AMAQI
29th Jul 2025447 AMAQI
29th Jul 2025448 AMAQI
29th Jul 2025329 AMAQI
29th Jul 20253710 AMAQI
29th Jul 20255211 AMAQI
29th Jul 20255212 PMAQI
29th Jul 2025481 PMAQI
29th Jul 2025482 PMAQI
29th Jul 2025483 PMAQI
29th Jul 2025484 PMAQI
29th Jul 2025515 PMAQI
29th Jul 2025476 PMAQI
29th Jul 2025427 PMAQI
29th Jul 2025408 PMAQI
29th Jul 2025419 PMAQI
29th Jul 20254010 PMAQI
29th Jul 20253811 PMAQI
30th Jul 20253812 AMAQI
30th Jul 2025411 AMAQI
30th Jul 2025442 AMAQI
30th Jul 2025443 AMAQI
33°C28/39°C
30th Jul 2025444 AMAQI
30th Jul 2025445 AMAQI
30th Jul 2025466 AMAQI
30th Jul 2025447 AMAQI
30th Jul 2025448 AMAQI
30th Jul 2025249 AMAQI
30th Jul 20251310 AMAQI
30th Jul 20251811 AMAQI
30th Jul 20252412 PMAQI
30th Jul 2025301 PMAQI
30th Jul 2025292 PMAQI
30th Jul 2025293 PMAQI
30th Jul 2025354 PMAQI
30th Jul 2025375 PMAQI
30th Jul 2025346 PMAQI
30th Jul 2025367 PMAQI
30th Jul 2025378 PMAQI
30th Jul 2025389 PMAQI
30th Jul 20253810 PMAQI
30th Jul 20253811 PMAQI
31st Jul 20253912 AMAQI
31st Jul 2025401 AMAQI
31st Jul 2025422 AMAQI
31st Jul 2025423 AMAQI
31°C27/37°C
31st Jul 2025424 AMAQI
31st Jul 2025425 AMAQI
31st Jul 2025426 AMAQI
31st Jul 2025427 AMAQI
31st Jul 2025428 AMAQI
31st Jul 2025429 AMAQI
31st Jul 20254210 AMAQI
31st Jul 20254311 AMAQI
31st Jul 20254412 PMAQI
31st Jul 2025411 PMAQI
31st Jul 2025402 PMAQI
31st Jul 2025363 PMAQI
31st Jul 2025344 PMAQI
31st Jul 2025355 PMAQI
31st Jul 2025336 PMAQI
31st Jul 2025327 PMAQI
31st Jul 2025318 PMAQI
31st Jul 2025299 PMAQI
31st Jul 20253210 PMAQI
31st Jul 20252711 PMAQI
1st Aug 20253012 AMAQI
1st Aug 2025321 AMAQI
1st Aug 2025332 AMAQI
1st Aug 2025373 AMAQI
30°C26/36°C
1st Aug 2025374 AMAQI
1st Aug 2025365 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025357 AMAQI
1st Aug 2025378 AMAQI
1st Aug 2025389 AMAQI
1st Aug 20253410 AMAQI
1st Aug 20253911 AMAQI
1st Aug 20254312 PMAQI
1st Aug 2025391 PMAQI
1st Aug 2025312 PMAQI
1st Aug 2025303 PMAQI
1st Aug 2025434 PMAQI
1st Aug 2025365 PMAQI
1st Aug 2025386 PMAQI
1st Aug 2025267 PMAQI
1st Aug 2025308 PMAQI
1st Aug 2025309 PMAQI
1st Aug 20253210 PMAQI
1st Aug 20252911 PMAQI
2nd Aug 20253012 AMAQI
2nd Aug 2025341 AMAQI
2nd Aug 2025392 AMAQI
2nd Aug 2025393 AMAQI
28°C26/32°C
2nd Aug 2025404 AMAQI
2nd Aug 2025385 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025398 AMAQI
2nd Aug 2025339 AMAQI
2nd Aug 20253610 AMAQI
2nd Aug 20254411 AMAQI
2nd Aug 20252812 PMAQI
2nd Aug 2025351 PMAQI
2nd Aug 2025492 PMAQI
2nd Aug 2025503 PMAQI
2nd Aug 2025394 PMAQI
2nd Aug 2025415 PMAQI
2nd Aug 2025426 PMAQI
2nd Aug 2025497 PMAQI
2nd Aug 2025368 PMAQI
2nd Aug 2025389 PMAQI
2nd Aug 20253510 PMAQI
2nd Aug 20254411 PMAQI
3rd Aug 20253312 AMAQI
3rd Aug 2025361 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025383 AMAQI
32°C26/39°C
3rd Aug 2025404 AMAQI
3rd Aug 2025405 AMAQI
3rd Aug 2025396 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025398 AMAQI
3rd Aug 2025429 AMAQI
3rd Aug 20255210 AMAQI
3rd Aug 20255211 AMAQI
3rd Aug 20255712 PMAQI
3rd Aug 2025531 PMAQI
3rd Aug 2025562 PMAQI
3rd Aug 2025523 PMAQI
3rd Aug 2025474 PMAQI
3rd Aug 2025495 PMAQI
3rd Aug 2025506 PMAQI
3rd Aug 2025467 PMAQI
3rd Aug 2025448 PMAQI
3rd Aug 2025409 PMAQI
3rd Aug 20253910 PMAQI
3rd Aug 20254011 PMAQI
4th Aug 20253812 AMAQI
4th Aug 2025381 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025403 AMAQI
32°C28/38°C
4th Aug 2025414 AMAQI
4th Aug 2025425 AMAQI
4th Aug 2025426 AMAQI
4th Aug 2025447 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025569 AMAQI
4th Aug 20256410 AMAQI
4th Aug 20257111 AMAQI
4th Aug 20257212 PMAQI
4th Aug 2025741 PMAQI
4th Aug 2025792 PMAQI
4th Aug 2025743 PMAQI
4th Aug 2025824 PMAQI
4th Aug 2025915 PMAQI
4th Aug 2025746 PMAQI
4th Aug 2025727 PMAQI
4th Aug 2025648 PMAQI
4th Aug 2025589 PMAQI
4th Aug 20255410 PMAQI
4th Aug 20254711 PMAQI
5th Aug 20255412 AMAQI
5th Aug 2025411 AMAQI
5th Aug 2025422 AMAQI
5th Aug 2025403 AMAQI
33°C28/39°C
5th Aug 2025504 AMAQI
5th Aug 2025525 AMAQI
5th Aug 2025526 AMAQI
5th Aug 2025527 AMAQI
5th Aug 2025538 AMAQI
5th Aug 2025589 AMAQI
5th Aug 20256010 AMAQI
5th Aug 20255811 AMAQI
5th Aug 20256112 PMAQI
5th Aug 2025551 PMAQI
5th Aug 2025552 PMAQI
5th Aug 2025523 PMAQI
5th Aug 2025584 PMAQI
5th Aug 2025475 PMAQI
5th Aug 2025556 PMAQI
5th Aug 2025387 PMAQI
5th Aug 2025448 PMAQI
5th Aug 2025459 PMAQI
5th Aug 20254810 PMAQI
5th Aug 20254011 PMAQI
6th Aug 20254312 AMAQI
6th Aug 2025501 AMAQI
6th Aug 2025502 AMAQI
6th Aug 2025483 AMAQI
34°C29/40°C
6th Aug 2025524 AMAQI
6th Aug 2025525 AMAQI
6th Aug 2025516 AMAQI
6th Aug 2025517 AMAQI
6th Aug 2025528 AMAQI
6th Aug 2025409 AMAQI
6th Aug 20254010 AMAQI
6th Aug 20254211 AMAQI
6th Aug 20254712 PMAQI
6th Aug 2025501 PMAQI
6th Aug 2025522 PMAQI
6th Aug 2025493 PMAQI
6th Aug 2025424 PMAQI
6th Aug 2025505 PMAQI
6th Aug 2025436 PMAQI
6th Aug 2025547 PMAQI
6th Aug 2025518 PMAQI
6th Aug 2025499 PMAQI
6th Aug 20254910 PMAQI
6th Aug 20254811 PMAQI
7th Aug 20254212 AMAQI
7th Aug 2025481 AMAQI
7th Aug 2025482 AMAQI
7th Aug 2025483 AMAQI
33°C28/39°C
7th Aug 2025474 AMAQI
7th Aug 2025485 AMAQI
7th Aug 2025466 AMAQI
7th Aug 2025447 AMAQI
7th Aug 2025448 AMAQI
7th Aug 2025389 AMAQI
7th Aug 20253810 AMAQI
7th Aug 20254611 AMAQI
7th Aug 20253212 PMAQI
7th Aug 2025311 PMAQI
7th Aug 2025262 PMAQI
7th Aug 2025233 PMAQI
7th Aug 2025284 PMAQI
7th Aug 2025305 PMAQI
7th Aug 2025346 PMAQI
7th Aug 2025367 PMAQI
7th Aug 2025408 PMAQI
7th Aug 2025429 PMAQI
7th Aug 20254110 PMAQI
7th Aug 20254211 PMAQI
8th Aug 20254112 AMAQI
8th Aug 2025441 AMAQI
8th Aug 2025452 AMAQI
8th Aug 2025453 AMAQI
30°C28/33°C
8th Aug 2025454 AMAQI
4 AM8th Aug 2025415 AMAQI
8th Aug 2025416 AMAQI
8th Aug 2025407 AMAQI
8th Aug 2025408 AMAQI
8th Aug 2025269 AMAQI
8th Aug 20252110 AMAQI
8th Aug 20252611 AMAQI
11 AM8th Aug 20252512 PMAQI
8th Aug 2025301 PMAQI
8th Aug 2025282 PMAQI
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
48AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
9 AM - 10 AM
39AQI
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. 48), while the lowest AQI was between 9 AM to 10 AM (Avg. 39).
Night time
Avg. Highest Time
12 AM - 3 AM
47AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM - 11 PM
44AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 47), while the lowest AQI was between 7 PM to 11 PM (Avg. 44).
2025 Days Vs Air Quality
Miyacho, Kumagaya, Saitama, Japan
2025
84%
184
16%
35
Total number of days with different AQI categories in last 220 days in 2025 (145 days remaining)
Good
184 DaysModerate
35 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2025, 84% of 220 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.
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
41AQI
41AQI
36AQI
36AQI
44AQI
41AQI
38AQI
39AQI
48AQI
44AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202540AQI
31
27
1
21
10
22
8
27
4
27
3
23
8
6
1
184
35
Highest AQI recorded in
July48AQI
Lowest AQI recorded in
February36AQI
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.)
40AQILeast Polluted Year Recorded
2020(Avg.)
34AQIMiyacho's annual 2025 AQI (40) shows an average percentage change of 6.3% (worsened AQI) compared to previous years: 2020 (34), 2021 (37), 2022 (40), 2023 (40), 2024 (39).
