Nagareyama, 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
Nagareyama, Saitama, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
70AQILowest AQI recorded on
30th Aug 2024
14AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 38 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Nagareyama, Saitama, Japan
AQI
Day
Night
.
4 AM3rd Aug 2025
6 PM
3 AM4th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
12PM3rd Aug
60AQI
Avg. Lowest Time
2AM4th Aug
38AQI
In the last 24 hours,
Nagareyama's AQI reached its highest point of 60 at 12 PM during the Night, while the lowest point, 38, was recorded at 2 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Nagareyama, Saitama, Japan
JulAug
05th - 06th06th - 07th07th - 08th08th - 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
Day
Night
5th Jul 2025404 AMAQI
5th Jul 2025445 AMAQI
5th Jul 2025446 AMAQI
5th Jul 2025447 AMAQI
5th Jul 2025448 AMAQI
5th Jul 2025449 AMAQI
5th Jul 20254810 AMAQI
5th Jul 20255211 AMAQI
5th Jul 20255412 PMAQI
5th Jul 2025521 PMAQI
5th Jul 2025562 PMAQI
5th Jul 2025553 PMAQI
5th Jul 2025584 PMAQI
5th Jul 2025595 PMAQI
5th Jul 2025566 PMAQI
5th Jul 2025567 PMAQI
5th Jul 2025568 PMAQI
5th Jul 2025489 PMAQI
5th Jul 20254910 PMAQI
5th Jul 20255011 PMAQI
6th Jul 20254612 AMAQI
6th Jul 2025401 AMAQI
6th Jul 2025392 AMAQI
6th Jul 2025403 AMAQI
29°C26/33°C
6th Jul 2025414 AMAQI
6th Jul 2025425 AMAQI
6th Jul 2025426 AMAQI
6th Jul 2025427 AMAQI
6th Jul 2025428 AMAQI
6th Jul 2025559 AMAQI
6th Jul 20257610 AMAQI
6th Jul 20257711 AMAQI
6th Jul 20257512 PMAQI
6th Jul 2025671 PMAQI
6th Jul 2025672 PMAQI
6th Jul 2025713 PMAQI
6th Jul 2025744 PMAQI
6th Jul 2025705 PMAQI
6th Jul 2025786 PMAQI
6th Jul 2025867 PMAQI
6th Jul 2025848 PMAQI
6th Jul 2025609 PMAQI
6th Jul 20256110 PMAQI
6th Jul 20256011 PMAQI
7th Jul 20255912 AMAQI
7th Jul 2025511 AMAQI
7th Jul 2025462 AMAQI
7th Jul 2025463 AMAQI
31°C27/36°C
7th Jul 2025474 AMAQI
7th Jul 2025525 AMAQI
7th Jul 2025516 AMAQI
7th Jul 2025517 AMAQI
7th Jul 2025518 AMAQI
7th Jul 2025999 AMAQI
7th Jul 202510910 AMAQI
7th Jul 202510611 AMAQI
7th Jul 202510012 PMAQI
7th Jul 2025821 PMAQI
7th Jul 2025782 PMAQI
7th Jul 2025773 PMAQI
7th Jul 2025744 PMAQI
7th Jul 2025805 PMAQI
7th Jul 2025826 PMAQI
7th Jul 2025917 PMAQI
7th Jul 2025898 PMAQI
7th Jul 2025719 PMAQI
7th Jul 20256910 PMAQI
7th Jul 20256911 PMAQI
8th Jul 20256812 AMAQI
8th Jul 2025591 AMAQI
8th Jul 2025552 AMAQI
8th Jul 2025553 AMAQI
31°C28/35°C
8th Jul 2025564 AMAQI
8th Jul 2025605 AMAQI
8th Jul 2025616 AMAQI
8th Jul 2025607 AMAQI
8th Jul 2025608 AMAQI
8th Jul 20251059 AMAQI
8th Jul 202511410 AMAQI
8th Jul 202510711 AMAQI
8th Jul 20259912 PMAQI
8th Jul 2025851 PMAQI
8th Jul 2025762 PMAQI
8th Jul 2025803 PMAQI
8th Jul 2025804 PMAQI
8th Jul 2025795 PMAQI
8th Jul 2025806 PMAQI
8th Jul 2025817 PMAQI
8th Jul 2025778 PMAQI
8th Jul 2025749 PMAQI
8th Jul 20257610 PMAQI
8th Jul 20257811 PMAQI
9th Jul 20257512 AMAQI
9th Jul 2025671 AMAQI
9th Jul 2025642 AMAQI
9th Jul 2025653 AMAQI
30°C27/35°C
9th Jul 2025664 AMAQI
9th Jul 2025725 AMAQI
9th Jul 2025716 AMAQI
9th Jul 2025717 AMAQI
9th Jul 2025728 AMAQI
9th Jul 2025909 AMAQI
9th Jul 20259810 AMAQI
9th Jul 20259411 AMAQI
9th Jul 202510012 PMAQI
9th Jul 2025971 PMAQI
9th Jul 2025962 PMAQI
9th Jul 2025983 PMAQI
9th Jul 20251054 PMAQI
9th Jul 2025955 PMAQI
9th Jul 2025786 PMAQI
9th Jul 2025627 PMAQI
9th Jul 2025628 PMAQI
9th Jul 2025669 PMAQI
9th Jul 20256610 PMAQI
9th Jul 20256511 PMAQI
10th Jul 20256612 AMAQI
10th Jul 2025701 AMAQI
10th Jul 2025722 AMAQI
10th Jul 2025713 AMAQI
30°C27/35°C
10th Jul 2025734 AMAQI
10th Jul 2025765 AMAQI
10th Jul 2025766 AMAQI
10th Jul 2025777 AMAQI
10th Jul 2025768 AMAQI
10th Jul 2025419 AMAQI
10th Jul 20254610 AMAQI
10th Jul 20255811 AMAQI
10th Jul 20256012 PMAQI
10th Jul 2025581 PMAQI
10th Jul 2025602 PMAQI
10th Jul 2025563 PMAQI
10th Jul 2025554 PMAQI
10th Jul 2025545 PMAQI
10th Jul 2025536 PMAQI
10th Jul 2025517 PMAQI
10th Jul 2025518 PMAQI
10th Jul 2025629 PMAQI
10th Jul 20256110 PMAQI
10th Jul 20256211 PMAQI
11th Jul 20256212 AMAQI
11th Jul 2025671 AMAQI
11th Jul 2025702 AMAQI
11th Jul 2025703 AMAQI
28°C22/35°C
11th Jul 2025704 AMAQI
11th Jul 2025675 AMAQI
11th Jul 2025676 AMAQI
11th Jul 2025667 AMAQI
11th Jul 2025668 AMAQI
11th Jul 2025299 AMAQI
11th Jul 20251610 AMAQI
11th Jul 20251611 AMAQI
11th Jul 20251812 PMAQI
11th Jul 2025401 PMAQI
11th Jul 2025382 PMAQI
11th Jul 2025413 PMAQI
11th Jul 2025404 PMAQI
11th Jul 2025395 PMAQI
11th Jul 2025406 PMAQI
11th Jul 2025427 PMAQI
11th Jul 2025468 PMAQI
11th Jul 2025609 PMAQI
11th Jul 20256010 PMAQI
11th Jul 20256011 PMAQI
12th Jul 20256112 AMAQI
12th Jul 2025641 AMAQI
12th Jul 2025652 AMAQI
12th Jul 2025653 AMAQI
23°C22/26°C
12th Jul 2025644 AMAQI
12th Jul 2025625 AMAQI
12th Jul 2025626 AMAQI
12th Jul 2025627 AMAQI
12th Jul 2025628 AMAQI
12th Jul 2025429 AMAQI
12th Jul 20253810 AMAQI
12th Jul 20254011 AMAQI
12th Jul 20253612 PMAQI
12th Jul 2025501 PMAQI
12th Jul 2025502 PMAQI
12th Jul 2025463 PMAQI
12th Jul 2025464 PMAQI
12th Jul 2025475 PMAQI
12th Jul 2025446 PMAQI
12th Jul 2025437 PMAQI
12th Jul 2025468 PMAQI
12th Jul 2025579 PMAQI
12th Jul 20255710 PMAQI
12th Jul 20255711 PMAQI
13th Jul 20255712 AMAQI
13th Jul 2025601 AMAQI
13th Jul 2025612 AMAQI
13th Jul 2025613 AMAQI
24°C21/28°C
13th Jul 2025614 AMAQI
13th Jul 2025595 AMAQI
13th Jul 2025596 AMAQI
13th Jul 2025607 AMAQI
13th Jul 2025598 AMAQI
13th Jul 2025469 AMAQI
13th Jul 20253710 AMAQI
13th Jul 20253811 AMAQI
13th Jul 20254412 PMAQI
13th Jul 2025521 PMAQI
13th Jul 2025522 PMAQI
13th Jul 2025523 PMAQI
13th Jul 2025504 PMAQI
13th Jul 2025495 PMAQI
13th Jul 2025426 PMAQI
13th Jul 2025417 PMAQI
13th Jul 2025458 PMAQI
13th Jul 2025569 PMAQI
13th Jul 20255510 PMAQI
13th Jul 20255511 PMAQI
14th Jul 20255412 AMAQI
14th Jul 2025561 AMAQI
14th Jul 2025582 AMAQI
14th Jul 2025583 AMAQI
26°C23/31°C
14th Jul 2025584 AMAQI
14th Jul 2025585 AMAQI
14th Jul 2025586 AMAQI
14th Jul 2025577 AMAQI
14th Jul 2025588 AMAQI
14th Jul 2025319 AMAQI
14th Jul 20251810 AMAQI
14th Jul 20251711 AMAQI
14th Jul 20251712 PMAQI
14th Jul 2025321 PMAQI
14th Jul 2025302 PMAQI
14th Jul 2025323 PMAQI
14th Jul 2025314 PMAQI
14th Jul 2025315 PMAQI
14th Jul 2025326 PMAQI
14th Jul 2025357 PMAQI
14th Jul 2025368 PMAQI
14th Jul 2025529 PMAQI
14th Jul 20255210 PMAQI
14th Jul 20255211 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 20251810 AMAQI
15th Jul 20251911 AMAQI
15th Jul 20252012 PMAQI
15th Jul 2025301 PMAQI
15th Jul 2025292 PMAQI
15th Jul 2025323 PMAQI
15th Jul 2025384 PMAQI
15th Jul 2025355 PMAQI
15th Jul 2025406 PMAQI
15th Jul 2025367 PMAQI
15th Jul 2025348 PMAQI
15th Jul 2025509 PMAQI
15th Jul 20255110 PMAQI
15th Jul 20255111 PMAQI
16th Jul 20255212 AMAQI
16th Jul 2025531 AMAQI
16th Jul 2025532 AMAQI
16th Jul 2025533 AMAQI
27°C26/29°C
16th Jul 2025534 AMAQI
16th Jul 2025525 AMAQI
16th Jul 2025526 AMAQI
16th Jul 2025527 AMAQI
16th Jul 2025528 AMAQI
16th Jul 2025429 AMAQI
16th Jul 20253110 AMAQI
16th Jul 20252211 AMAQI
16th Jul 20251912 PMAQI
16th Jul 2025281 PMAQI
16th Jul 2025292 PMAQI
16th Jul 2025323 PMAQI
16th Jul 2025314 PMAQI
16th Jul 2025335 PMAQI
16th Jul 2025326 PMAQI
16th Jul 2025307 PMAQI
16th Jul 2025318 PMAQI
16th Jul 2025459 PMAQI
16th Jul 20254610 PMAQI
16th Jul 20254711 PMAQI
17th Jul 20254812 AMAQI
17th Jul 2025511 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025523 AMAQI
27°C26/29°C
17th Jul 2025524 AMAQI
17th Jul 2025515 AMAQI
17th Jul 2025516 AMAQI
17th Jul 2025507 AMAQI
17th Jul 2025518 AMAQI
17th Jul 2025299 AMAQI
17th Jul 20252510 AMAQI
17th Jul 20252511 AMAQI
17th Jul 20252812 PMAQI
17th Jul 2025381 PMAQI
17th Jul 2025382 PMAQI
17th Jul 2025363 PMAQI
17th Jul 2025374 PMAQI
17th Jul 2025345 PMAQI
17th Jul 2025366 PMAQI
17th Jul 2025387 PMAQI
17th Jul 2025418 PMAQI
17th Jul 2025449 PMAQI
17th Jul 20254310 PMAQI
17th Jul 20254411 PMAQI
18th Jul 20254412 AMAQI
18th Jul 2025481 AMAQI
18th Jul 2025492 AMAQI
18th Jul 2025483 AMAQI
28°C26/31°C
18th Jul 2025484 AMAQI
18th Jul 2025455 AMAQI
18th Jul 2025466 AMAQI
18th Jul 2025467 AMAQI
18th Jul 2025468 AMAQI
18th Jul 2025309 AMAQI
18th Jul 20253010 AMAQI
18th Jul 20252511 AMAQI
18th Jul 20252612 PMAQI
18th Jul 2025281 PMAQI
18th Jul 2025282 PMAQI
18th Jul 2025283 PMAQI
18th Jul 2025274 PMAQI
18th Jul 2025265 PMAQI
18th Jul 2025276 PMAQI
18th Jul 2025297 PMAQI
18th Jul 2025318 PMAQI
18th Jul 2025429 PMAQI
18th Jul 20254210 PMAQI
18th Jul 20254211 PMAQI
19th Jul 20254212 AMAQI
19th Jul 2025441 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025463 AMAQI
28°C25/32°C
19th Jul 2025444 AMAQI
19th Jul 2025435 AMAQI
19th Jul 2025436 AMAQI
19th Jul 2025447 AMAQI
19th Jul 2025438 AMAQI
19th Jul 2025319 AMAQI
19th Jul 20253010 AMAQI
19th Jul 20252211 AMAQI
19th Jul 20252112 PMAQI
19th Jul 2025261 PMAQI
19th Jul 2025272 PMAQI
19th Jul 2025263 PMAQI
19th Jul 2025264 PMAQI
19th Jul 2025245 PMAQI
19th Jul 2025236 PMAQI
19th Jul 2025267 PMAQI
19th Jul 2025308 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
28°C25/32°C
20th Jul 2025444 AMAQI
20th Jul 2025425 AMAQI
20th Jul 2025426 AMAQI
20th Jul 2025427 AMAQI
20th Jul 2025428 AMAQI
20th Jul 2025329 AMAQI
20th Jul 20252210 AMAQI
20th Jul 20252611 AMAQI
20th Jul 20252512 PMAQI
20th Jul 2025251 PMAQI
20th Jul 2025302 PMAQI
20th Jul 2025293 PMAQI
20th Jul 2025284 PMAQI
20th Jul 2025235 PMAQI
20th Jul 2025246 PMAQI
20th Jul 2025257 PMAQI
20th Jul 2025288 PMAQI
20th Jul 2025399 PMAQI
20th Jul 20253710 PMAQI
20th Jul 20253711 PMAQI
21st Jul 20253912 AMAQI
21st Jul 2025401 AMAQI
21st Jul 2025412 AMAQI
21st Jul 2025413 AMAQI
29°C26/33°C
21st Jul 2025414 AMAQI
21st Jul 2025385 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025387 AMAQI
21st Jul 2025388 AMAQI
21st Jul 2025309 AMAQI
21st Jul 20253010 AMAQI
21st Jul 20253711 AMAQI
21st Jul 20254012 PMAQI
21st Jul 2025421 PMAQI
21st Jul 2025402 PMAQI
21st Jul 2025393 PMAQI
21st Jul 2025354 PMAQI
21st Jul 2025365 PMAQI
21st Jul 2025326 PMAQI
21st Jul 2025297 PMAQI
21st Jul 2025308 PMAQI
21st Jul 2025369 PMAQI
21st Jul 20253610 PMAQI
21st Jul 20253411 PMAQI
22nd Jul 20253512 AMAQI
22nd Jul 2025381 AMAQI
22nd Jul 2025392 AMAQI
22nd Jul 2025383 AMAQI
30°C27/35°C
22nd Jul 2025384 AMAQI
22nd Jul 2025405 AMAQI
22nd Jul 2025386 AMAQI
22nd Jul 2025397 AMAQI
22nd Jul 2025388 AMAQI
22nd Jul 2025309 AMAQI
22nd Jul 20252810 AMAQI
22nd Jul 20253811 AMAQI
22nd Jul 20253712 PMAQI
22nd Jul 2025421 PMAQI
22nd Jul 2025442 PMAQI
22nd Jul 2025433 PMAQI
22nd Jul 2025414 PMAQI
22nd Jul 2025375 PMAQI
22nd Jul 2025266 PMAQI
22nd Jul 2025247 PMAQI
22nd Jul 2025248 PMAQI
22nd Jul 2025329 PMAQI
22nd Jul 20253410 PMAQI
22nd Jul 20253211 PMAQI
23rd Jul 20253212 AMAQI
23rd Jul 2025341 AMAQI
23rd Jul 2025372 AMAQI
23rd Jul 2025363 AMAQI
30°C27/35°C
23rd Jul 2025374 AMAQI
23rd Jul 2025385 AMAQI
23rd Jul 2025386 AMAQI
23rd Jul 2025387 AMAQI
23rd Jul 2025398 AMAQI
23rd Jul 2025279 AMAQI
23rd Jul 20253110 AMAQI
23rd Jul 20254411 AMAQI
23rd Jul 20254912 PMAQI
23rd Jul 2025481 PMAQI
23rd Jul 2025502 PMAQI
23rd Jul 2025513 PMAQI
23rd Jul 2025444 PMAQI
23rd Jul 2025405 PMAQI
23rd Jul 2025326 PMAQI
23rd Jul 2025267 PMAQI
23rd Jul 2025288 PMAQI
23rd Jul 2025329 PMAQI
23rd Jul 20253210 PMAQI
23rd Jul 20253111 PMAQI
24th Jul 20253212 AMAQI
24th Jul 2025351 AMAQI
24th Jul 2025362 AMAQI
24th Jul 2025373 AMAQI
30°C27/35°C
24th Jul 2025374 AMAQI
24th Jul 2025395 AMAQI
24th Jul 2025396 AMAQI
24th Jul 2025387 AMAQI
24th Jul 2025388 AMAQI
24th Jul 2025369 AMAQI
24th Jul 20254010 AMAQI
24th Jul 20254511 AMAQI
24th Jul 20255012 PMAQI
24th Jul 2025531 PMAQI
24th Jul 2025562 PMAQI
24th Jul 2025563 PMAQI
24th Jul 2025524 PMAQI
24th Jul 2025425 PMAQI
24th Jul 2025336 PMAQI
24th Jul 2025257 PMAQI
24th Jul 2025268 PMAQI
24th Jul 2025339 PMAQI
24th Jul 20253310 PMAQI
24th Jul 20253311 PMAQI
25th Jul 20253412 AMAQI
25th Jul 2025361 AMAQI
25th Jul 2025362 AMAQI
25th Jul 2025363 AMAQI
30°C27/36°C
25th Jul 2025374 AMAQI
25th Jul 2025385 AMAQI
25th Jul 2025386 AMAQI
25th Jul 2025397 AMAQI
25th Jul 2025388 AMAQI
25th Jul 2025349 AMAQI
25th Jul 20253810 AMAQI
25th Jul 20255011 AMAQI
25th Jul 20255312 PMAQI
25th Jul 2025501 PMAQI
25th Jul 2025502 PMAQI
25th Jul 2025423 PMAQI
25th Jul 2025334 PMAQI
25th Jul 2025245 PMAQI
25th Jul 2025246 PMAQI
25th Jul 2025227 PMAQI
25th Jul 2025258 PMAQI
25th Jul 2025339 PMAQI
25th Jul 20253210 PMAQI
25th Jul 20253311 PMAQI
26th Jul 20253212 AMAQI
26th Jul 2025361 AMAQI
26th Jul 2025362 AMAQI
26th Jul 2025373 AMAQI
31°C28/35°C
26th Jul 2025374 AMAQI
26th Jul 2025385 AMAQI
26th Jul 2025386 AMAQI
26th Jul 2025387 AMAQI
26th Jul 2025388 AMAQI
26th Jul 2025359 AMAQI
26th Jul 20254410 AMAQI
26th Jul 20254211 AMAQI
26th Jul 20254512 PMAQI
26th Jul 2025401 PMAQI
26th Jul 2025392 PMAQI
26th Jul 2025393 PMAQI
26th Jul 2025294 PMAQI
26th Jul 2025245 PMAQI
26th Jul 2025246 PMAQI
26th Jul 2025237 PMAQI
26th Jul 2025268 PMAQI
26th Jul 2025329 PMAQI
26th Jul 20253210 PMAQI
26th Jul 20253311 PMAQI
27th Jul 20253212 AMAQI
27th Jul 2025351 AMAQI
27th Jul 2025362 AMAQI
27th Jul 2025353 AMAQI
31°C28/35°C
27th Jul 2025364 AMAQI
27th Jul 2025375 AMAQI
27th Jul 2025366 AMAQI
27th Jul 2025367 AMAQI
27th Jul 2025378 AMAQI
27th Jul 2025349 AMAQI
27th Jul 20253610 AMAQI
27th Jul 20255111 AMAQI
27th Jul 20255012 PMAQI
27th Jul 2025361 PMAQI
27th Jul 2025342 PMAQI
27th Jul 2025313 PMAQI
27th Jul 2025274 PMAQI
27th Jul 2025245 PMAQI
27th Jul 2025216 PMAQI
27th Jul 2025237 PMAQI
27th Jul 2025248 PMAQI
27th Jul 2025329 PMAQI
27th Jul 20253010 PMAQI
27th Jul 20253111 PMAQI
28th Jul 20253112 AMAQI
28th Jul 2025341 AMAQI
28th Jul 2025362 AMAQI
28th Jul 2025363 AMAQI
30°C27/35°C
28th Jul 2025364 AMAQI
28th Jul 2025365 AMAQI
28th Jul 2025366 AMAQI
28th Jul 2025367 AMAQI
28th Jul 2025368 AMAQI
28th Jul 2025309 AMAQI
28th Jul 20252710 AMAQI
28th Jul 20253311 AMAQI
28th Jul 20254212 PMAQI
28th Jul 2025431 PMAQI
28th Jul 2025432 PMAQI
28th Jul 2025513 PMAQI
28th Jul 2025544 PMAQI
28th Jul 2025465 PMAQI
28th Jul 2025376 PMAQI
28th Jul 2025337 PMAQI
28th Jul 2025328 PMAQI
28th Jul 2025349 PMAQI
28th Jul 20253410 PMAQI
28th Jul 20253311 PMAQI
29th Jul 20253212 AMAQI
29th Jul 2025351 AMAQI
29th Jul 2025352 AMAQI
29th Jul 2025353 AMAQI
31°C27/37°C
29th Jul 2025364 AMAQI
29th Jul 2025375 AMAQI
29th Jul 2025366 AMAQI
29th Jul 2025367 AMAQI
29th Jul 2025368 AMAQI
29th Jul 2025329 AMAQI
29th Jul 20253910 AMAQI
29th Jul 20254411 AMAQI
29th Jul 20255212 PMAQI
29th Jul 2025501 PMAQI
29th Jul 2025482 PMAQI
29th Jul 2025443 PMAQI
29th Jul 2025364 PMAQI
29th Jul 2025315 PMAQI
29th Jul 2025236 PMAQI
29th Jul 2025227 PMAQI
29th Jul 2025248 PMAQI
29th Jul 2025319 PMAQI
29th Jul 20253110 PMAQI
29th Jul 20253011 PMAQI
30th Jul 20253012 AMAQI
30th Jul 2025331 AMAQI
30th Jul 2025352 AMAQI
30th Jul 2025353 AMAQI
31°C27/38°C
30th Jul 2025354 AMAQI
30th Jul 2025365 AMAQI
30th Jul 2025366 AMAQI
30th Jul 2025367 AMAQI
30th Jul 2025368 AMAQI
30th Jul 2025239 AMAQI
30th Jul 20252010 AMAQI
30th Jul 20252311 AMAQI
30th Jul 20252612 PMAQI
30th Jul 2025281 PMAQI
30th Jul 2025292 PMAQI
30th Jul 2025253 PMAQI
30th Jul 2025244 PMAQI
30th Jul 2025255 PMAQI
30th Jul 2025266 PMAQI
30th Jul 2025277 PMAQI
30th Jul 2025288 PMAQI
30th Jul 2025319 PMAQI
30th Jul 20253210 PMAQI
30th Jul 20253211 PMAQI
31st Jul 20253312 AMAQI
31st Jul 2025331 AMAQI
31st Jul 2025322 AMAQI
31st Jul 2025323 AMAQI
30°C26/35°C
31st Jul 2025324 AMAQI
31st Jul 2025325 AMAQI
31st Jul 2025326 AMAQI
31st Jul 2025327 AMAQI
31st Jul 2025328 AMAQI
31st Jul 2025329 AMAQI
31st Jul 20253210 AMAQI
31st Jul 20253811 AMAQI
31st Jul 20253612 PMAQI
31st Jul 2025331 PMAQI
31st Jul 2025312 PMAQI
31st Jul 2025303 PMAQI
31st Jul 2025244 PMAQI
31st Jul 2025235 PMAQI
31st Jul 2025246 PMAQI
31st Jul 2025217 PMAQI
31st Jul 2025278 PMAQI
31st Jul 2025279 PMAQI
31st Jul 20252810 PMAQI
31st Jul 20252311 PMAQI
1st Aug 20252712 AMAQI
1st Aug 2025291 AMAQI
1st Aug 2025322 AMAQI
1st Aug 2025333 AMAQI
28°C25/33°C
1st Aug 2025344 AMAQI
1st Aug 2025345 AMAQI
1st Aug 2025356 AMAQI
1st Aug 2025357 AMAQI
1st Aug 2025388 AMAQI
1st Aug 2025369 AMAQI
1st Aug 20253210 AMAQI
1st Aug 20253911 AMAQI
1st Aug 20254212 PMAQI
1st Aug 2025361 PMAQI
1st Aug 2025312 PMAQI
1st Aug 2025303 PMAQI
1st Aug 2025404 PMAQI
1st Aug 2025325 PMAQI
1st Aug 2025366 PMAQI
1st Aug 2025247 PMAQI
1st Aug 2025288 PMAQI
1st Aug 2025289 PMAQI
1st Aug 20253010 PMAQI
1st Aug 20252811 PMAQI
2nd Aug 20252812 AMAQI
2nd Aug 2025301 AMAQI
2nd Aug 2025372 AMAQI
2nd Aug 2025373 AMAQI
28°C25/32°C
2nd Aug 2025374 AMAQI
2nd Aug 2025375 AMAQI
2nd Aug 2025396 AMAQI
2nd Aug 2025377 AMAQI
2nd Aug 2025398 AMAQI
2nd Aug 2025329 AMAQI
2nd Aug 20253410 AMAQI
2nd Aug 20254411 AMAQI
2nd Aug 20253512 PMAQI
2nd Aug 2025421 PMAQI
2nd Aug 2025542 PMAQI
2nd Aug 2025553 PMAQI
2nd Aug 2025494 PMAQI
2nd Aug 2025515 PMAQI
2nd Aug 2025566 PMAQI
2nd Aug 2025547 PMAQI
2nd Aug 2025388 PMAQI
2nd Aug 2025389 PMAQI
2nd Aug 20253510 PMAQI
2nd Aug 20254311 PMAQI
3rd Aug 20253212 AMAQI
3rd Aug 2025351 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025363 AMAQI
30°C26/36°C
3rd Aug 2025404 AMAQI
3rd Aug 2025405 AMAQI
3rd Aug 2025386 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025398 AMAQI
3rd Aug 2025489 AMAQI
3rd Aug 20255110 AMAQI
3rd Aug 20255411 AMAQI
3rd Aug 20256012 PMAQI
3rd Aug 2025521 PMAQI
3rd Aug 2025562 PMAQI
3rd Aug 2025503 PMAQI
3rd Aug 2025454 PMAQI
3rd Aug 2025535 PMAQI
3rd Aug 2025556 PMAQI
3rd Aug 2025467 PMAQI
3rd Aug 2025468 PMAQI
3rd Aug 2025429 PMAQI
3rd Aug 20254310 PMAQI
3rd Aug 20254011 PMAQI
4th Aug 20253812 AMAQI
4th Aug 2025381 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025403 AMAQI
--°C/°C
4th Aug 2025424 AMAQI
4 AM4th Aug 2025435 AMAQI
4th Aug 2025426 AMAQI
11 AM
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
47AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
9 AM - 10 AM
41AQI
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. 47), while the lowest AQI was between 9 AM to 10 AM (Avg. 41).
Night time
Avg. Highest Time
12 AM - 3 AM
45AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM - 8 PM
40AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 45), while the lowest AQI was between 7 PM to 8 PM (Avg. 40).
2025 Days Vs Air Quality
Nagareyama, Saitama, Japan
2025
88%
188
12%
26
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
188 DaysModerate
26 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2025, 88% of 215 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
Nagareyama, 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
32AQI
32AQI
2nd January 2025
32AQI
32AQI
3rd January 2025
26AQI
26AQI
4th January 2025
28AQI
28AQI
5th January 2025
36AQI
36AQI
6th January 2025
59AQI
59AQI
7th January 2025
32AQI
32AQI
8th January 2025
37AQI
37AQI
9th January 2025
33AQI
33AQI
10th January 2025
30AQI
30AQI
11th January 2025
30AQI
30AQI
12th January 2025
45AQI
45AQI
13th January 2025
31AQI
31AQI
14th January 2025
44AQI
44AQI
15th January 2025
39AQI
39AQI
16th January 2025
36AQI
36AQI
17th January 2025
32AQI
32AQI
18th January 2025
36AQI
36AQI
19th January 2025
55AQI
55AQI
20th January 2025
42AQI
42AQI
21st January 2025
48AQI
48AQI
22nd January 2025
43AQI
43AQI
23rd January 2025
57AQI
57AQI
24th January 2025
48AQI
48AQI
25th January 2025
44AQI
44AQI
26th January 2025
36AQI
36AQI
27th January 2025
41AQI
41AQI
28th January 2025
45AQI
45AQI
29th January 2025
32AQI
32AQI
30th January 2025
36AQI
36AQI
31st January 2025
28AQI
28AQI
1st February 2025
44AQI
44AQI
2nd February 2025
37AQI
37AQI
3rd February 2025
44AQI
44AQI
4th February 2025
32AQI
32AQI
5th February 2025
34AQI
34AQI
6th February 2025
27AQI
27AQI
7th February 2025
30AQI
30AQI
8th February 2025
28AQI
28AQI
9th February 2025
29AQI
29AQI
10th February 2025
29AQI
29AQI
11th February 2025
30AQI
30AQI
12th February 2025
44AQI
44AQI
13th February 2025
35AQI
35AQI
14th February 2025
35AQI
35AQI
15th February 2025
32AQI
32AQI
16th February 2025
41AQI
41AQI
17th February 2025
37AQI
37AQI
18th February 2025
34AQI
34AQI
19th February 2025
30AQI
30AQI
20th February 2025
28AQI
28AQI
21st February 2025
30AQI
30AQI
22nd February 2025
32AQI
32AQI
23rd February 2025
32AQI
32AQI
24th February 2025
34AQI
34AQI
25th February 2025
35AQI
35AQI
26th February 2025
40AQI
40AQI
27th February 2025
41AQI
41AQI
28th February 2025
56AQI
56AQI
1st March 2025
51AQI
51AQI
2nd March 2025
62AQI
62AQI
3rd March 2025
40AQI
40AQI
4th March 2025
40AQI
40AQI
5th March 2025
28AQI
28AQI
6th March 2025
34AQI
34AQI
7th March 2025
31AQI
31AQI
8th March 2025
40AQI
40AQI
9th March 2025
35AQI
35AQI
10th March 2025
37AQI
37AQI
11th March 2025
44AQI
44AQI
12th March 2025
54AQI
54AQI
13th March 2025
41AQI
41AQI
14th March 2025
40AQI
40AQI
15th March 2025
38AQI
38AQI
16th March 2025
29AQI
29AQI
17th March 2025
24AQI
24AQI
18th March 2025
26AQI
26AQI
19th March 2025
18AQI
18AQI
20th March 2025
25AQI
25AQI
21st March 2025
42AQI
42AQI
22nd March 2025
52AQI
52AQI
23rd March 2025
55AQI
55AQI
24th March 2025
53AQI
53AQI
25th March 2025
67AQI
67AQI
26th March 2025
73AQI
73AQI
27th March 2025
71AQI
71AQI
28th March 2025
46AQI
46AQI
29th March 2025
38AQI
38AQI
30th March 2025
38AQI
38AQI
31st March 2025
32AQI
32AQI
1st April 2025
31AQI
31AQI
2nd April 2025
22AQI
22AQI
3rd April 2025
22AQI
22AQI
4th April 2025
22AQI
22AQI
5th April 2025
27AQI
27AQI
6th April 2025
25AQI
25AQI
7th April 2025
30AQI
30AQI
8th April 2025
39AQI
39AQI
9th April 2025
26AQI
26AQI
10th April 2025
48AQI
48AQI
11th April 2025
38AQI
38AQI
12th April 2025
40AQI
40AQI
13th April 2025
28AQI
28AQI
14th April 2025
39AQI
39AQI
15th April 2025
29AQI
29AQI
16th April 2025
31AQI
31AQI
17th April 2025
45AQI
45AQI
18th April 2025
51AQI
51AQI
19th April 2025
64AQI
64AQI
20th April 2025
50AQI
50AQI
21st April 2025
46AQI
46AQI
22nd April 2025
47AQI
47AQI
23rd April 2025
32AQI
32AQI
24th April 2025
40AQI
40AQI
25th April 2025
46AQI
46AQI
26th April 2025
47AQI
47AQI
27th April 2025
53AQI
53AQI
28th April 2025
46AQI
46AQI
29th April 2025
34AQI
34AQI
30th April 2025
47AQI
47AQI
1st May 2025
39AQI
39AQI
2nd May 2025
30AQI
30AQI
3rd May 2025
32AQI
32AQI
4th May 2025
36AQI
36AQI
5th May 2025
34AQI
34AQI
6th May 2025
29AQI
29AQI
7th May 2025
24AQI
24AQI
8th May 2025
28AQI
28AQI
9th May 2025
30AQI
30AQI
10th May 2025
22AQI
22AQI
11th May 2025
26AQI
26AQI
12th May 2025
22AQI
22AQI
13th May 2025
33AQI
33AQI
14th May 2025
34AQI
34AQI
15th May 2025
38AQI
38AQI
16th May 2025
41AQI
41AQI
17th May 2025
27AQI
27AQI
18th May 2025
43AQI
43AQI
19th May 2025
38AQI
38AQI
20th May 2025
62AQI
62AQI
21st May 2025
49AQI
49AQI
22nd May 2025
42AQI
42AQI
23rd May 2025
41AQI
41AQI
24th May 2025
40AQI
40AQI
25th May 2025
29AQI
29AQI
26th May 2025
27AQI
27AQI
27th May 2025
23AQI
23AQI
28th May 2025
24AQI
24AQI
29th May 2025
27AQI
27AQI
30th May 2025
24AQI
24AQI
31st May 2025
17AQI
17AQI
1st June 2025
21AQI
21AQI
2nd June 2025
30AQI
30AQI
3rd June 2025
33AQI
33AQI
4th June 2025
30AQI
30AQI
5th June 2025
39AQI
39AQI
6th June 2025
46AQI
46AQI
7th June 2025
46AQI
46AQI
8th June 2025
57AQI
57AQI
9th June 2025
46AQI
46AQI
10th June 2025
37AQI
37AQI
11th June 2025
36AQI
36AQI
12th June 2025
39AQI
39AQI
13th June 2025
39AQI
39AQI
14th June 2025
35AQI
35AQI
15th June 2025
32AQI
32AQI
16th June 2025
39AQI
39AQI
17th June 2025
50AQI
50AQI
18th June 2025
45AQI
45AQI
19th June 2025
43AQI
43AQI
20th June 2025
41AQI
41AQI
21st June 2025
35AQI
35AQI
22nd June 2025
25AQI
25AQI
23rd June 2025
24AQI
24AQI
24th June 2025
23AQI
23AQI
25th June 2025
20AQI
20AQI
26th June 2025
21AQI
21AQI
27th June 2025
28AQI
28AQI
28th June 2025
28AQI
28AQI
29th June 2025
33AQI
33AQI
30th June 2025
35AQI
35AQI
1st July 2025
36AQI
36AQI
2nd July 2025
40AQI
40AQI
3rd July 2025
43AQI
43AQI
4th July 2025
43AQI
43AQI
5th July 2025
47AQI
47AQI
6th July 2025
58AQI
58AQI
7th July 2025
69AQI
69AQI
8th July 2025
75AQI
75AQI
9th July 2025
77AQI
77AQI
10th July 2025
63AQI
63AQI
11th July 2025
53AQI
53AQI
12th July 2025
54AQI
54AQI
13th July 2025
53AQI
53AQI
14th July 2025
45AQI
45AQI
15th July 2025
44AQI
44AQI
16th July 2025
43AQI
43AQI
17th July 2025
43AQI
43AQI
18th July 2025
38AQI
38AQI
19th July 2025
36AQI
36AQI
20th July 2025
35AQI
35AQI
21st July 2025
37AQI
37AQI
22nd July 2025
35AQI
35AQI
23rd July 2025
36AQI
36AQI
24th July 2025
37AQI
37AQI
25th July 2025
35AQI
35AQI
26th July 2025
34AQI
34AQI
27th July 2025
33AQI
33AQI
28th July 2025
36AQI
36AQI
29th July 2025
34AQI
34AQI
30th July 2025
30AQI
30AQI
31st July 2025
30AQI
30AQI
1st August 2025
32AQI
32AQI
2nd August 2025
38AQI
38AQI
38AQI
35AQI
42AQI
38AQI
33AQI
35AQI
44AQI
35AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202538AQI
28
3
27
1
22
9
27
3
30
1
29
1
23
8
2
188
26
Highest AQI recorded in
July44AQI
Lowest AQI recorded in
May33AQI
202438AQI
24
7
27
2
24
7
22
8
27
4
28
2
19
12
30
1
29
1
29
2
25
5
30
1
314
52
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
September30AQI
202340AQI
22
9
21
7
21
10
21
9
28
3
22
8
25
6
30
1
29
1
30
1
18
11
20
11
287
77
Highest AQI recorded in
April47AQI
Lowest AQI recorded in
August27AQI
202238AQI
24
6
15
6
20
11
14
3
26
5
24
6
18
3
1
28
28
3
23
7
26
5
247
55
Highest AQI recorded in
March47AQI
Lowest AQI recorded in
August24AQI
202137AQI
25
5
1
20
8
24
7
27
3
25
6
27
3
29
2
28
3
29
1
29
2
24
6
19
12
306
58
1
Highest AQI recorded in
December45AQI
Lowest AQI recorded in
September32AQI
202038AQI
9
4
17
4
17
1
23
7
31
21
10
18
1
29
2
18
12
17
14
200
55
Highest AQI recorded in
December45AQI
Lowest AQI recorded in
September29AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
40AQILeast Polluted Year Recorded
2021(Avg.)
37AQINagareyama's annual 2025 AQI (38) shows an average percentage change of -0.4% (improved AQI) compared to previous years: 2020 (38), 2021 (37), 2022 (38), 2023 (40), 2024 (38).
