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
Kumagaya, Saitama, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
60AQILowest AQI recorded on
8th Aug 2021
14AQISame Day Analysis (5th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 50 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Kumagaya, Saitama, Japan
AQI
Day
Night
.
4 AM6th Aug 2025
6 PM
3 AM7th Aug 2025
Day time
Avg. Highest Time
2PM6th Aug
53AQI
Avg. Lowest Time
11AM6th Aug
37AQI
Night time
Avg. Highest Time
7PM6th Aug
54AQI
Avg. Lowest Time
12AM7th Aug
42AQI
In the last 24 hours,
Kumagaya's AQI reached its highest point of 54 at 7 PM during the Night, while the lowest point, 37, was recorded at 11 AM during the Day between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Kumagaya, Saitama, Japan
JulAug
08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th
Day
Night
8th Jul 2025574 AMAQI
8th Jul 2025625 AMAQI
8th Jul 2025626 AMAQI
8th Jul 2025627 AMAQI
8th Jul 2025628 AMAQI
8th Jul 20251089 AMAQI
8th Jul 202512410 AMAQI
8th Jul 202511611 AMAQI
8th Jul 202510612 PMAQI
8th Jul 2025911 PMAQI
8th Jul 2025882 PMAQI
8th Jul 2025823 PMAQI
8th Jul 2025844 PMAQI
8th Jul 2025755 PMAQI
8th Jul 2025776 PMAQI
8th Jul 2025787 PMAQI
8th Jul 2025778 PMAQI
8th Jul 2025719 PMAQI
8th Jul 20257210 PMAQI
8th Jul 20257311 PMAQI
9th Jul 20257412 AMAQI
9th Jul 2025681 AMAQI
9th Jul 2025642 AMAQI
9th Jul 2025643 AMAQI
32°C28/36°C
9th Jul 2025654 AMAQI
9th Jul 2025695 AMAQI
9th Jul 2025696 AMAQI
9th Jul 2025697 AMAQI
9th Jul 2025698 AMAQI
9th Jul 2025859 AMAQI
9th Jul 20259010 AMAQI
9th Jul 20258811 AMAQI
9th Jul 20258712 PMAQI
9th Jul 2025851 PMAQI
9th Jul 2025832 PMAQI
9th Jul 2025863 PMAQI
9th Jul 2025954 PMAQI
9th Jul 2025965 PMAQI
9th Jul 2025946 PMAQI
9th Jul 2025897 PMAQI
9th Jul 2025818 PMAQI
9th Jul 2025719 PMAQI
9th Jul 20256710 PMAQI
9th Jul 20256711 PMAQI
10th Jul 20256512 AMAQI
10th Jul 2025671 AMAQI
10th Jul 2025692 AMAQI
10th Jul 2025693 AMAQI
32°C28/37°C
10th Jul 2025704 AMAQI
10th Jul 2025735 AMAQI
10th Jul 2025736 AMAQI
10th Jul 2025727 AMAQI
10th Jul 2025738 AMAQI
10th Jul 2025479 AMAQI
10th Jul 20254810 AMAQI
10th Jul 20256211 AMAQI
10th Jul 20257212 PMAQI
10th Jul 2025741 PMAQI
10th Jul 2025732 PMAQI
10th Jul 2025713 PMAQI
10th Jul 2025714 PMAQI
10th Jul 2025585 PMAQI
10th Jul 2025536 PMAQI
10th Jul 2025427 PMAQI
10th Jul 2025468 PMAQI
10th Jul 2025609 PMAQI
10th Jul 20256110 PMAQI
10th Jul 20256111 PMAQI
11th Jul 20256112 AMAQI
11th Jul 2025641 AMAQI
11th Jul 2025692 AMAQI
11th Jul 2025693 AMAQI
29°C24/36°C
11th Jul 2025694 AMAQI
11th Jul 2025685 AMAQI
11th Jul 2025686 AMAQI
11th Jul 2025697 AMAQI
11th Jul 2025688 AMAQI
11th Jul 2025319 AMAQI
11th Jul 20251810 AMAQI
11th Jul 20251611 AMAQI
11th Jul 20252012 PMAQI
11th Jul 2025381 PMAQI
11th Jul 2025382 PMAQI
11th Jul 2025393 PMAQI
11th Jul 2025404 PMAQI
11th Jul 2025415 PMAQI
11th Jul 2025426 PMAQI
11th Jul 2025407 PMAQI
11th Jul 2025448 PMAQI
11th Jul 2025599 PMAQI
11th Jul 20255910 PMAQI
11th Jul 20256011 PMAQI
12th Jul 20255912 AMAQI
12th Jul 2025611 AMAQI
12th Jul 2025652 AMAQI
12th Jul 2025663 AMAQI
23°C22/23°C
12th Jul 2025654 AMAQI
12th Jul 2025625 AMAQI
12th Jul 2025626 AMAQI
12th Jul 2025627 AMAQI
12th Jul 2025628 AMAQI
12th Jul 2025399 AMAQI
12th Jul 20253010 AMAQI
12th Jul 20253011 AMAQI
12th Jul 20253612 PMAQI
12th Jul 2025471 PMAQI
12th Jul 2025472 PMAQI
12th Jul 2025483 PMAQI
12th Jul 2025524 PMAQI
12th Jul 2025535 PMAQI
12th Jul 2025526 PMAQI
12th Jul 2025497 PMAQI
12th Jul 2025508 PMAQI
12th Jul 2025579 PMAQI
12th Jul 20255710 PMAQI
12th Jul 20255711 PMAQI
13th Jul 20255712 AMAQI
13th Jul 2025581 AMAQI
13th Jul 2025612 AMAQI
13th Jul 2025613 AMAQI
25°C22/29°C
13th Jul 2025604 AMAQI
13th Jul 2025595 AMAQI
13th Jul 2025596 AMAQI
13th Jul 2025597 AMAQI
13th Jul 2025598 AMAQI
13th Jul 2025469 AMAQI
13th Jul 20253910 AMAQI
13th Jul 20253811 AMAQI
13th Jul 20254112 PMAQI
13th Jul 2025521 PMAQI
13th Jul 2025532 PMAQI
13th Jul 2025533 PMAQI
13th Jul 2025544 PMAQI
13th Jul 2025565 PMAQI
13th Jul 2025566 PMAQI
13th Jul 2025537 PMAQI
13th Jul 2025528 PMAQI
13th Jul 2025559 PMAQI
13th Jul 20255410 PMAQI
13th Jul 20255411 PMAQI
14th Jul 20255312 AMAQI
14th Jul 2025561 AMAQI
14th Jul 2025582 AMAQI
14th Jul 2025583 AMAQI
27°C23/32°C
14th Jul 2025584 AMAQI
14th Jul 2025575 AMAQI
14th Jul 2025576 AMAQI
14th Jul 2025577 AMAQI
14th Jul 2025578 AMAQI
14th Jul 2025319 AMAQI
14th Jul 20251910 AMAQI
14th Jul 20252211 AMAQI
14th Jul 20252312 PMAQI
14th Jul 2025331 PMAQI
14th Jul 2025342 PMAQI
14th Jul 2025363 PMAQI
14th Jul 2025344 PMAQI
14th Jul 2025395 PMAQI
14th Jul 2025346 PMAQI
14th Jul 2025377 PMAQI
14th Jul 2025418 PMAQI
14th Jul 2025529 PMAQI
14th Jul 20255110 PMAQI
14th Jul 20255111 PMAQI
15th Jul 20255212 AMAQI
15th Jul 2025541 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025563 AMAQI
26°C24/29°C
15th Jul 2025564 AMAQI
15th Jul 2025545 AMAQI
15th Jul 2025546 AMAQI
15th Jul 2025547 AMAQI
15th Jul 2025548 AMAQI
15th Jul 2025279 AMAQI
15th Jul 20252010 AMAQI
15th Jul 20251711 AMAQI
15th Jul 20252212 PMAQI
15th Jul 2025331 PMAQI
15th Jul 2025342 PMAQI
15th Jul 2025343 PMAQI
15th Jul 2025334 PMAQI
15th Jul 2025315 PMAQI
15th Jul 2025326 PMAQI
15th Jul 2025327 PMAQI
15th Jul 2025318 PMAQI
15th Jul 2025479 PMAQI
15th Jul 20254810 PMAQI
15th Jul 20254711 PMAQI
16th Jul 20254712 AMAQI
16th Jul 2025501 AMAQI
16th Jul 2025542 AMAQI
16th Jul 2025543 AMAQI
28°C26/33°C
16th Jul 2025544 AMAQI
16th Jul 2025525 AMAQI
16th Jul 2025526 AMAQI
16th Jul 2025527 AMAQI
16th Jul 2025528 AMAQI
16th Jul 2025379 AMAQI
16th Jul 20255210 AMAQI
16th Jul 20255111 AMAQI
16th Jul 20254012 PMAQI
16th Jul 2025381 PMAQI
16th Jul 2025392 PMAQI
16th Jul 2025343 PMAQI
16th Jul 2025324 PMAQI
16th Jul 2025355 PMAQI
16th Jul 2025356 PMAQI
16th Jul 2025277 PMAQI
16th Jul 2025298 PMAQI
16th Jul 2025459 PMAQI
16th Jul 20254610 PMAQI
16th Jul 20254511 PMAQI
17th Jul 20254512 AMAQI
17th Jul 2025481 AMAQI
17th Jul 2025512 AMAQI
17th Jul 2025513 AMAQI
29°C25/34°C
17th Jul 2025514 AMAQI
17th Jul 2025505 AMAQI
17th Jul 2025506 AMAQI
17th Jul 2025507 AMAQI
17th Jul 2025508 AMAQI
17th Jul 2025239 AMAQI
17th Jul 20251610 AMAQI
17th Jul 20252411 AMAQI
17th Jul 20253212 PMAQI
17th Jul 2025371 PMAQI
17th Jul 2025352 PMAQI
17th Jul 2025363 PMAQI
17th Jul 2025374 PMAQI
17th Jul 2025355 PMAQI
17th Jul 2025396 PMAQI
17th Jul 2025407 PMAQI
17th Jul 2025458 PMAQI
17th Jul 2025469 PMAQI
17th Jul 20254610 PMAQI
17th Jul 20254511 PMAQI
18th Jul 20254512 AMAQI
18th Jul 2025481 AMAQI
18th Jul 2025492 AMAQI
18th Jul 2025493 AMAQI
29°C26/33°C
18th Jul 2025484 AMAQI
18th Jul 2025465 AMAQI
18th Jul 2025476 AMAQI
18th Jul 2025467 AMAQI
18th Jul 2025468 AMAQI
18th Jul 2025369 AMAQI
18th Jul 20253210 AMAQI
18th Jul 20253911 AMAQI
18th Jul 20253812 PMAQI
18th Jul 2025401 PMAQI
18th Jul 2025362 PMAQI
18th Jul 2025333 PMAQI
18th Jul 2025324 PMAQI
18th Jul 2025325 PMAQI
18th Jul 2025316 PMAQI
18th Jul 2025357 PMAQI
18th Jul 2025358 PMAQI
18th Jul 2025419 PMAQI
18th Jul 20254210 PMAQI
18th Jul 20254111 PMAQI
19th Jul 20254212 AMAQI
19th Jul 2025431 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025473 AMAQI
29°C25/34°C
19th Jul 2025464 AMAQI
19th Jul 2025445 AMAQI
19th Jul 2025456 AMAQI
19th Jul 2025457 AMAQI
19th Jul 2025458 AMAQI
19th Jul 2025339 AMAQI
19th Jul 20252710 AMAQI
19th Jul 20253411 AMAQI
19th Jul 20253812 PMAQI
19th Jul 2025371 PMAQI
19th Jul 2025342 PMAQI
19th Jul 2025323 PMAQI
19th Jul 2025314 PMAQI
19th Jul 2025265 PMAQI
19th Jul 2025296 PMAQI
19th Jul 2025297 PMAQI
19th Jul 2025348 PMAQI
19th Jul 2025399 PMAQI
19th Jul 20253710 PMAQI
19th Jul 20253711 PMAQI
20th Jul 20253612 AMAQI
20th Jul 2025391 AMAQI
20th Jul 2025442 AMAQI
20th Jul 2025443 AMAQI
30°C26/35°C
20th Jul 2025444 AMAQI
20th Jul 2025435 AMAQI
20th Jul 2025436 AMAQI
20th Jul 2025437 AMAQI
20th Jul 2025428 AMAQI
20th Jul 2025359 AMAQI
20th Jul 20253010 AMAQI
20th Jul 20253611 AMAQI
20th Jul 20253812 PMAQI
20th Jul 2025361 PMAQI
20th Jul 2025402 PMAQI
20th Jul 2025373 PMAQI
20th Jul 2025404 PMAQI
20th Jul 2025405 PMAQI
20th Jul 2025326 PMAQI
20th Jul 2025327 PMAQI
20th Jul 2025348 PMAQI
20th Jul 2025389 PMAQI
20th Jul 20253710 PMAQI
20th Jul 20253811 PMAQI
21st Jul 20253712 AMAQI
21st Jul 2025381 AMAQI
21st Jul 2025422 AMAQI
21st Jul 2025423 AMAQI
31°C27/37°C
21st Jul 2025424 AMAQI
21st Jul 2025415 AMAQI
21st Jul 2025406 AMAQI
21st Jul 2025417 AMAQI
21st Jul 2025418 AMAQI
21st Jul 2025319 AMAQI
21st Jul 20253510 AMAQI
21st Jul 20254211 AMAQI
21st Jul 20254712 PMAQI
21st Jul 2025471 PMAQI
21st Jul 2025452 PMAQI
21st Jul 2025483 PMAQI
21st Jul 2025474 PMAQI
21st Jul 2025485 PMAQI
21st Jul 2025486 PMAQI
21st Jul 2025437 PMAQI
21st Jul 2025398 PMAQI
21st Jul 2025399 PMAQI
21st Jul 20253610 PMAQI
21st Jul 20253611 PMAQI
22nd Jul 20253612 AMAQI
22nd Jul 2025371 AMAQI
22nd Jul 2025402 AMAQI
22nd Jul 2025403 AMAQI
32°C27/38°C
22nd Jul 2025404 AMAQI
22nd Jul 2025415 AMAQI
22nd Jul 2025406 AMAQI
22nd Jul 2025407 AMAQI
22nd Jul 2025418 AMAQI
22nd Jul 2025329 AMAQI
22nd Jul 20253610 AMAQI
22nd Jul 20254911 AMAQI
22nd Jul 20255212 PMAQI
22nd Jul 2025521 PMAQI
22nd Jul 2025442 PMAQI
22nd Jul 2025493 PMAQI
22nd Jul 2025504 PMAQI
22nd Jul 2025525 PMAQI
22nd Jul 2025506 PMAQI
22nd Jul 2025437 PMAQI
22nd Jul 2025428 PMAQI
22nd Jul 2025409 PMAQI
22nd Jul 20253810 PMAQI
22nd Jul 20253511 PMAQI
23rd Jul 20253412 AMAQI
23rd Jul 2025361 AMAQI
23rd Jul 2025392 AMAQI
23rd Jul 2025393 AMAQI
33°C28/38°C
23rd Jul 2025394 AMAQI
23rd Jul 2025405 AMAQI
23rd Jul 2025406 AMAQI
23rd Jul 2025417 AMAQI
23rd Jul 2025418 AMAQI
23rd Jul 2025369 AMAQI
23rd Jul 20255110 AMAQI
23rd Jul 20255911 AMAQI
23rd Jul 20256112 PMAQI
23rd Jul 2025591 PMAQI
23rd Jul 2025592 PMAQI
23rd Jul 2025583 PMAQI
23rd Jul 2025614 PMAQI
23rd Jul 2025585 PMAQI
23rd Jul 2025546 PMAQI
23rd Jul 2025557 PMAQI
23rd Jul 2025518 PMAQI
23rd Jul 2025459 PMAQI
23rd Jul 20254110 PMAQI
23rd Jul 20254011 PMAQI
24th Jul 20254112 AMAQI
24th Jul 2025411 AMAQI
24th Jul 2025382 AMAQI
24th Jul 2025393 AMAQI
32°C27/38°C
24th Jul 2025404 AMAQI
24th Jul 2025435 AMAQI
24th Jul 2025436 AMAQI
24th Jul 2025437 AMAQI
24th Jul 2025438 AMAQI
24th Jul 2025519 AMAQI
24th Jul 20255410 AMAQI
24th Jul 20255811 AMAQI
24th Jul 20255812 PMAQI
24th Jul 2025571 PMAQI
24th Jul 2025562 PMAQI
24th Jul 2025583 PMAQI
24th Jul 2025604 PMAQI
24th Jul 2025595 PMAQI
24th Jul 2025556 PMAQI
24th Jul 2025507 PMAQI
24th Jul 2025448 PMAQI
24th Jul 2025429 PMAQI
24th Jul 20254110 PMAQI
24th Jul 20253811 PMAQI
25th Jul 20254112 AMAQI
25th Jul 2025411 AMAQI
25th Jul 2025402 AMAQI
25th Jul 2025403 AMAQI
32°C27/38°C
25th Jul 2025424 AMAQI
25th Jul 2025455 AMAQI
25th Jul 2025456 AMAQI
25th Jul 2025447 AMAQI
25th Jul 2025448 AMAQI
25th Jul 2025449 AMAQI
25th Jul 20255010 AMAQI
25th Jul 20256011 AMAQI
25th Jul 20256012 PMAQI
25th Jul 2025591 PMAQI
25th Jul 2025602 PMAQI
25th Jul 2025613 PMAQI
25th Jul 2025604 PMAQI
25th Jul 2025555 PMAQI
25th Jul 2025496 PMAQI
25th Jul 2025477 PMAQI
25th Jul 2025458 PMAQI
25th Jul 2025469 PMAQI
25th Jul 20254210 PMAQI
25th Jul 20254011 PMAQI
26th Jul 20254012 AMAQI
26th Jul 2025411 AMAQI
26th Jul 2025432 AMAQI
26th Jul 2025433 AMAQI
32°C28/39°C
26th Jul 2025444 AMAQI
26th Jul 2025475 AMAQI
26th Jul 2025466 AMAQI
26th Jul 2025477 AMAQI
26th Jul 2025478 AMAQI
26th Jul 2025539 AMAQI
26th Jul 20255910 AMAQI
26th Jul 20256211 AMAQI
26th Jul 20256112 PMAQI
26th Jul 2025601 PMAQI
26th Jul 2025582 PMAQI
26th Jul 2025593 PMAQI
26th Jul 2025594 PMAQI
26th Jul 2025535 PMAQI
26th Jul 2025416 PMAQI
26th Jul 2025407 PMAQI
26th Jul 2025468 PMAQI
26th Jul 2025469 PMAQI
26th Jul 20254410 PMAQI
26th Jul 20254411 PMAQI
27th Jul 20254212 AMAQI
27th Jul 2025421 AMAQI
27th Jul 2025432 AMAQI
27th Jul 2025433 AMAQI
32°C27/39°C
27th Jul 2025454 AMAQI
27th Jul 2025485 AMAQI
27th Jul 2025486 AMAQI
27th Jul 2025487 AMAQI
27th Jul 2025488 AMAQI
27th Jul 2025489 AMAQI
27th Jul 20255210 AMAQI
27th Jul 20255511 AMAQI
27th Jul 20255612 PMAQI
27th Jul 2025541 PMAQI
27th Jul 2025542 PMAQI
27th Jul 2025553 PMAQI
27th Jul 2025474 PMAQI
27th Jul 2025535 PMAQI
27th Jul 2025396 PMAQI
27th Jul 2025317 PMAQI
27th Jul 2025338 PMAQI
27th Jul 2025389 PMAQI
27th Jul 20253810 PMAQI
27th Jul 20253611 PMAQI
28th Jul 20253612 AMAQI
28th Jul 2025401 AMAQI
28th Jul 2025462 AMAQI
28th Jul 2025463 AMAQI
33°C28/38°C
28th Jul 2025464 AMAQI
28th Jul 2025485 AMAQI
28th Jul 2025476 AMAQI
28th Jul 2025477 AMAQI
28th Jul 2025488 AMAQI
28th Jul 2025339 AMAQI
28th Jul 20254010 AMAQI
28th Jul 20255211 AMAQI
28th Jul 20254912 PMAQI
28th Jul 2025491 PMAQI
28th Jul 2025482 PMAQI
28th Jul 2025493 PMAQI
28th Jul 2025534 PMAQI
28th Jul 2025485 PMAQI
28th Jul 2025526 PMAQI
28th Jul 2025567 PMAQI
28th Jul 2025528 PMAQI
28th Jul 2025469 PMAQI
28th Jul 20254410 PMAQI
28th Jul 20254411 PMAQI
29th Jul 20254512 AMAQI
29th Jul 2025441 AMAQI
29th Jul 2025442 AMAQI
29th Jul 2025433 AMAQI
33°C28/38°C
29th Jul 2025444 AMAQI
29th Jul 2025455 AMAQI
29th Jul 2025456 AMAQI
29th Jul 2025467 AMAQI
29th Jul 2025458 AMAQI
29th Jul 2025369 AMAQI
29th Jul 20254210 AMAQI
29th Jul 20255211 AMAQI
29th Jul 20255412 PMAQI
29th Jul 2025491 PMAQI
29th Jul 2025502 PMAQI
29th Jul 2025523 PMAQI
29th Jul 2025524 PMAQI
29th Jul 2025525 PMAQI
29th Jul 2025496 PMAQI
29th Jul 2025437 PMAQI
29th Jul 2025408 PMAQI
29th Jul 2025409 PMAQI
29th Jul 20253710 PMAQI
29th Jul 20253611 PMAQI
30th Jul 20253512 AMAQI
30th Jul 2025381 AMAQI
30th Jul 2025452 AMAQI
30th Jul 2025453 AMAQI
33°C28/39°C
30th Jul 2025454 AMAQI
30th Jul 2025465 AMAQI
30th Jul 2025476 AMAQI
30th Jul 2025467 AMAQI
30th Jul 2025468 AMAQI
30th Jul 2025269 AMAQI
30th Jul 20251810 AMAQI
30th Jul 20252011 AMAQI
30th Jul 20252512 PMAQI
30th Jul 2025281 PMAQI
30th Jul 2025282 PMAQI
30th Jul 2025323 PMAQI
30th Jul 2025344 PMAQI
30th Jul 2025355 PMAQI
30th Jul 2025356 PMAQI
30th Jul 2025377 PMAQI
30th Jul 2025408 PMAQI
30th Jul 2025409 PMAQI
30th Jul 20254010 PMAQI
30th Jul 20253811 PMAQI
31st Jul 20253912 AMAQI
31st Jul 2025401 AMAQI
31st Jul 2025442 AMAQI
31st Jul 2025433 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 20254612 PMAQI
31st Jul 2025421 PMAQI
31st Jul 2025412 PMAQI
31st Jul 2025383 PMAQI
31st Jul 2025394 PMAQI
31st Jul 2025335 PMAQI
31st Jul 2025316 PMAQI
31st Jul 2025327 PMAQI
31st Jul 2025328 PMAQI
31st Jul 2025309 PMAQI
31st Jul 20253310 PMAQI
31st Jul 20252811 PMAQI
1st Aug 20253012 AMAQI
1st Aug 2025321 AMAQI
1st Aug 2025332 AMAQI
1st Aug 2025363 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 2025379 AMAQI
1st Aug 20253610 AMAQI
1st Aug 20253711 AMAQI
1st Aug 20254312 PMAQI
1st Aug 2025361 PMAQI
1st Aug 2025322 PMAQI
1st Aug 2025303 PMAQI
1st Aug 2025434 PMAQI
1st Aug 2025375 PMAQI
1st Aug 2025406 PMAQI
1st Aug 2025267 PMAQI
1st Aug 2025298 PMAQI
1st Aug 2025299 PMAQI
1st Aug 20253410 PMAQI
1st Aug 20252911 PMAQI
2nd Aug 20253012 AMAQI
2nd Aug 2025351 AMAQI
2nd Aug 2025392 AMAQI
2nd Aug 2025403 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 20253810 AMAQI
2nd Aug 20254311 AMAQI
2nd Aug 20253012 PMAQI
2nd Aug 2025351 PMAQI
2nd Aug 2025492 PMAQI
2nd Aug 2025493 PMAQI
2nd Aug 2025384 PMAQI
2nd Aug 2025415 PMAQI
2nd Aug 2025426 PMAQI
2nd Aug 2025477 PMAQI
2nd Aug 2025388 PMAQI
2nd Aug 2025389 PMAQI
2nd Aug 20253510 PMAQI
2nd Aug 20254311 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 2025439 AMAQI
3rd Aug 20255210 AMAQI
3rd Aug 20255211 AMAQI
3rd Aug 20255712 PMAQI
3rd Aug 2025531 PMAQI
3rd Aug 2025542 PMAQI
3rd Aug 2025513 PMAQI
3rd Aug 2025464 PMAQI
3rd Aug 2025485 PMAQI
3rd Aug 2025506 PMAQI
3rd Aug 2025467 PMAQI
3rd Aug 2025448 PMAQI
3rd Aug 2025419 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 2025437 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025579 AMAQI
4th Aug 20256210 AMAQI
4th Aug 20257111 AMAQI
4th Aug 20257212 PMAQI
4th Aug 2025721 PMAQI
4th Aug 2025792 PMAQI
4th Aug 2025723 PMAQI
4th Aug 2025804 PMAQI
4th Aug 2025905 PMAQI
4th Aug 2025736 PMAQI
4th Aug 2025727 PMAQI
4th Aug 2025648 PMAQI
4th Aug 2025589 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20254711 PMAQI
5th Aug 20255412 AMAQI
5th Aug 2025411 AMAQI
5th Aug 2025412 AMAQI
5th Aug 2025403 AMAQI
33°C28/39°C
5th Aug 2025504 AMAQI
5th Aug 2025525 AMAQI
5th Aug 2025526 AMAQI
5th Aug 2025517 AMAQI
5th Aug 2025528 AMAQI
5th Aug 2025589 AMAQI
5th Aug 20256010 AMAQI
5th Aug 20255711 AMAQI
5th Aug 20256012 PMAQI
5th Aug 2025551 PMAQI
5th Aug 2025532 PMAQI
5th Aug 2025523 PMAQI
5th Aug 2025584 PMAQI
5th Aug 2025485 PMAQI
5th Aug 2025526 PMAQI
5th Aug 2025407 PMAQI
5th Aug 2025438 PMAQI
5th Aug 2025459 PMAQI
5th Aug 20254710 PMAQI
5th Aug 20254111 PMAQI
6th Aug 20254312 AMAQI
6th Aug 2025491 AMAQI
6th Aug 2025502 AMAQI
6th Aug 2025483 AMAQI
34°C29/40°C
6th Aug 2025514 AMAQI
6th Aug 2025525 AMAQI
6th Aug 2025516 AMAQI
6th Aug 2025517 AMAQI
6th Aug 2025528 AMAQI
6th Aug 2025409 AMAQI
6th Aug 20254210 AMAQI
6th Aug 20253711 AMAQI
6th Aug 20254712 PMAQI
6th Aug 2025501 PMAQI
6th Aug 2025532 PMAQI
6th Aug 2025493 PMAQI
6th Aug 2025424 PMAQI
6th Aug 2025485 PMAQI
6th Aug 2025436 PMAQI
6th Aug 2025547 PMAQI
6th Aug 2025518 PMAQI
6th Aug 2025479 PMAQI
6th Aug 20254910 PMAQI
6th Aug 20254511 PMAQI
7th Aug 20254212 AMAQI
7th Aug 2025471 AMAQI
7th Aug 2025482 AMAQI
7th Aug 2025483 AMAQI
33°C28/39°C
7th Aug 2025464 AMAQI
4 AM7th Aug 2025475 AMAQI
7th Aug 2025466 AMAQI
7th Aug 2025447 AMAQI
7th Aug 2025448 AMAQI
7th Aug 2025369 AMAQI
7th Aug 20253710 AMAQI
7th Aug 20254311 AMAQI
11 AM7th Aug 20253212 PMAQI
7th Aug 2025311 PMAQI
7th Aug 2025262 PMAQI
7th Aug 2025223 PMAQI
7th Aug 2025274 PMAQI
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
49AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
9 AM - 10 AM
43AQI
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. 49), while the lowest AQI was between 9 AM to 10 AM (Avg. 43).
Night time
Avg. Highest Time
12 AM - 3 AM
47AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM - 11 PM
45AQI
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. 45).
2025 Days Vs Air Quality
Kumagaya, Saitama, Japan
2025
82%
179
18%
38
Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)
Good
179 DaysModerate
38 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 82%
Health Risk Level:
Low
In 2025, 82% of 219 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
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
29AQI
29AQI
3rd January 2025
26AQI
26AQI
4th January 2025
27AQI
27AQI
5th January 2025
37AQI
37AQI
6th January 2025
51AQI
51AQI
7th January 2025
33AQI
33AQI
8th January 2025
36AQI
36AQI
9th January 2025
29AQI
29AQI
10th January 2025
27AQI
27AQI
11th January 2025
26AQI
26AQI
12th January 2025
38AQI
38AQI
13th January 2025
29AQI
29AQI
14th January 2025
34AQI
34AQI
15th January 2025
33AQI
33AQI
16th January 2025
33AQI
33AQI
17th January 2025
30AQI
30AQI
18th January 2025
35AQI
35AQI
19th January 2025
45AQI
45AQI
20th January 2025
44AQI
44AQI
21st January 2025
47AQI
47AQI
22nd January 2025
40AQI
40AQI
23rd January 2025
48AQI
48AQI
24th January 2025
51AQI
51AQI
25th January 2025
39AQI
39AQI
26th January 2025
38AQI
38AQI
27th January 2025
40AQI
40AQI
28th January 2025
45AQI
45AQI
29th January 2025
34AQI
34AQI
30th January 2025
35AQI
35AQI
31st January 2025
31AQI
31AQI
1st February 2025
42AQI
42AQI
2nd February 2025
45AQI
45AQI
3rd February 2025
45AQI
45AQI
4th February 2025
38AQI
38AQI
5th February 2025
36AQI
36AQI
6th February 2025
30AQI
30AQI
7th February 2025
33AQI
33AQI
8th February 2025
31AQI
31AQI
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
41AQI
41AQI
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
32AQI
32AQI
23rd February 2025
33AQI
33AQI
24th February 2025
33AQI
33AQI
25th February 2025
36AQI
36AQI
26th February 2025
39AQI
39AQI
27th February 2025
44AQI
44AQI
28th February 2025
54AQI
54AQI
1st March 2025
54AQI
54AQI
2nd March 2025
59AQI
59AQI
3rd March 2025
41AQI
41AQI
4th March 2025
39AQI
39AQI
5th March 2025
28AQI
28AQI
6th March 2025
34AQI
34AQI
7th March 2025
33AQI
33AQI
8th March 2025
43AQI
43AQI
9th March 2025
38AQI
38AQI
10th March 2025
41AQI
41AQI
11th March 2025
48AQI
48AQI
12th March 2025
53AQI
53AQI
13th March 2025
53AQI
53AQI
14th March 2025
43AQI
43AQI
15th March 2025
45AQI
45AQI
16th March 2025
27AQI
27AQI
17th March 2025
24AQI
24AQI
18th March 2025
27AQI
27AQI
19th March 2025
19AQI
19AQI
20th March 2025
27AQI
27AQI
21st March 2025
39AQI
39AQI
22nd March 2025
49AQI
49AQI
23rd March 2025
57AQI
57AQI
24th March 2025
63AQI
63AQI
25th March 2025
75AQI
75AQI
26th March 2025
76AQI
76AQI
27th March 2025
74AQI
74AQI
28th March 2025
60AQI
60AQI
29th March 2025
37AQI
37AQI
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
32AQI
32AQI
6th April 2025
27AQI
27AQI
7th April 2025
34AQI
34AQI
8th April 2025
41AQI
41AQI
9th April 2025
30AQI
30AQI
10th April 2025
49AQI
49AQI
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
28AQI
28AQI
17th April 2025
45AQI
45AQI
18th April 2025
55AQI
55AQI
19th April 2025
69AQI
69AQI
20th April 2025
64AQI
64AQI
21st April 2025
48AQI
48AQI
22nd April 2025
56AQI
56AQI
23rd April 2025
36AQI
36AQI
24th April 2025
47AQI
47AQI
25th April 2025
44AQI
44AQI
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
46AQI
46AQI
2nd May 2025
34AQI
34AQI
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
35AQI
35AQI
10th May 2025
25AQI
25AQI
11th May 2025
23AQI
23AQI
12th May 2025
24AQI
24AQI
13th May 2025
37AQI
37AQI
14th May 2025
42AQI
42AQI
15th May 2025
43AQI
43AQI
16th May 2025
49AQI
49AQI
17th May 2025
33AQI
33AQI
18th May 2025
45AQI
45AQI
19th May 2025
47AQI
47AQI
20th May 2025
59AQI
59AQI
21st May 2025
67AQI
67AQI
22nd May 2025
57AQI
57AQI
23rd May 2025
53AQI
53AQI
24th May 2025
50AQI
50AQI
25th May 2025
35AQI
35AQI
26th May 2025
34AQI
34AQI
27th May 2025
32AQI
32AQI
28th May 2025
31AQI
31AQI
29th May 2025
37AQI
37AQI
30th May 2025
32AQI
32AQI
31st May 2025
24AQI
24AQI
1st June 2025
24AQI
24AQI
2nd June 2025
34AQI
34AQI
3rd June 2025
36AQI
36AQI
4th June 2025
29AQI
29AQI
5th June 2025
41AQI
41AQI
6th June 2025
46AQI
46AQI
7th June 2025
53AQI
53AQI
8th June 2025
64AQI
64AQI
9th June 2025
57AQI
57AQI
10th June 2025
42AQI
42AQI
11th June 2025
36AQI
36AQI
12th June 2025
43AQI
43AQI
13th June 2025
49AQI
49AQI
14th June 2025
42AQI
42AQI
15th June 2025
31AQI
31AQI
16th June 2025
37AQI
37AQI
17th June 2025
47AQI
47AQI
18th June 2025
44AQI
44AQI
19th June 2025
47AQI
47AQI
20th June 2025
47AQI
47AQI
21st June 2025
42AQI
42AQI
22nd June 2025
35AQI
35AQI
23rd June 2025
35AQI
35AQI
24th June 2025
34AQI
34AQI
25th June 2025
28AQI
28AQI
26th June 2025
30AQI
30AQI
27th June 2025
35AQI
35AQI
28th June 2025
35AQI
35AQI
29th June 2025
40AQI
40AQI
30th June 2025
44AQI
44AQI
1st July 2025
46AQI
46AQI
2nd July 2025
46AQI
46AQI
3rd July 2025
49AQI
49AQI
4th July 2025
49AQI
49AQI
5th July 2025
51AQI
51AQI
6th July 2025
55AQI
55AQI
7th July 2025
72AQI
72AQI
8th July 2025
75AQI
75AQI
9th July 2025
77AQI
77AQI
10th July 2025
63AQI
63AQI
11th July 2025
52AQI
52AQI
12th July 2025
54AQI
54AQI
13th July 2025
55AQI
55AQI
14th July 2025
46AQI
46AQI
15th July 2025
43AQI
43AQI
16th July 2025
45AQI
45AQI
17th July 2025
43AQI
43AQI
18th July 2025
41AQI
41AQI
19th July 2025
38AQI
38AQI
20th July 2025
38AQI
38AQI
21st July 2025
41AQI
41AQI
22nd July 2025
42AQI
42AQI
23rd July 2025
46AQI
46AQI
24th July 2025
47AQI
47AQI
25th July 2025
47AQI
47AQI
26th July 2025
48AQI
48AQI
27th July 2025
45AQI
45AQI
28th July 2025
46AQI
46AQI
29th July 2025
45AQI
45AQI
30th July 2025
37AQI
37AQI
31st July 2025
38AQI
38AQI
1st August 2025
34AQI
34AQI
2nd August 2025
39AQI
39AQI
3rd August 2025
43AQI
43AQI
4th August 2025
56AQI
56AQI
5th August 2025
50AQI
50AQI
36AQI
36AQI
45AQI
41AQI
39AQI
40AQI
49AQI
44AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202541AQI
29
2
27
1
21
10
22
8
27
4
27
3
22
9
4
1
179
38
Highest AQI recorded in
July49AQI
Lowest AQI recorded in
February36AQI
202440AQI
28
3
26
3
25
6
15
15
25
6
23
7
18
13
30
1
28
2
28
3
27
3
30
1
303
63
Highest AQI recorded in
April53AQI
Lowest AQI recorded in
August32AQI
202343AQI
26
5
21
7
17
14
14
16
22
9
19
11
17
14
31
30
27
4
20
9
21
10
265
99
Highest AQI recorded in
April52AQI
Lowest AQI recorded in
August30AQI
202241AQI
27
4
17
5
18
13
17
13
23
8
19
11
18
3
1
27
1
25
6
21
9
31
244
73
Highest AQI recorded in
April49AQI
Lowest AQI recorded in
December32AQI
202139AQI
23
8
22
6
20
10
1
25
5
25
6
23
7
29
2
28
3
29
1
26
5
20
10
27
4
297
67
1
Highest AQI recorded in
March47AQI
Lowest AQI recorded in
August33AQI
202038AQI
9
4
16
5
18
26
4
30
1
20
11
18
1
25
6
17
13
24
7
203
52
Highest AQI recorded in
November46AQI
Lowest AQI recorded in
September27AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
43AQILeast Polluted Year Recorded
2020(Avg.)
38AQIKumagaya's annual 2025 AQI (41) shows an average percentage change of 1.7% (worsened AQI) compared to previous years: 2020 (38), 2021 (39), 2022 (41), 2023 (43), 2024 (40).
