Niizo, Shimotoda, 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
Niizo, Shimotoda, Saitama, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
79AQILowest AQI recorded on
14th Aug 2021
15AQISame Day Analysis (6th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 51 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Niizo, Shimotoda, Saitama, Japan
AQI
Day
Night
.
4 AM6th Aug 2025
6 PM
3 AM7th Aug 2025
Day time
Avg. Highest Time
5PM6th Aug
60AQI
Avg. Lowest Time
10AM6th Aug
44AQI
Night time
Avg. Highest Time
7PM6th Aug
59AQI
Avg. Lowest Time
12AM7th Aug
47AQI
In the last 24 hours,
Niizo's AQI reached its highest point of 60 at 5 PM during the Day, while the lowest point, 44, was recorded at 10 AM during the Day between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Niizo, Shimotoda, 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 2025605 AMAQI
8th Jul 2025616 AMAQI
8th Jul 2025617 AMAQI
8th Jul 2025608 AMAQI
8th Jul 20251079 AMAQI
8th Jul 202511110 AMAQI
8th Jul 202510411 AMAQI
8th Jul 20259812 PMAQI
8th Jul 2025881 PMAQI
8th Jul 2025762 PMAQI
8th Jul 2025663 PMAQI
8th Jul 2025734 PMAQI
8th Jul 2025805 PMAQI
8th Jul 2025846 PMAQI
8th Jul 2025857 PMAQI
8th Jul 2025828 PMAQI
8th Jul 2025779 PMAQI
8th Jul 20257710 PMAQI
8th Jul 20257711 PMAQI
9th Jul 20257812 AMAQI
9th Jul 2025741 AMAQI
9th Jul 2025652 AMAQI
9th Jul 2025663 AMAQI
31°C28/35°C
9th Jul 2025674 AMAQI
9th Jul 2025725 AMAQI
9th Jul 2025716 AMAQI
9th Jul 2025727 AMAQI
9th Jul 2025728 AMAQI
9th Jul 20251099 AMAQI
9th Jul 202511710 AMAQI
9th Jul 202512011 AMAQI
9th Jul 202512212 PMAQI
9th Jul 20251081 PMAQI
9th Jul 20251032 PMAQI
9th Jul 20251003 PMAQI
9th Jul 2025964 PMAQI
9th Jul 2025965 PMAQI
9th Jul 2025936 PMAQI
9th Jul 2025847 PMAQI
9th Jul 2025728 PMAQI
9th Jul 2025679 PMAQI
9th Jul 20256610 PMAQI
9th Jul 20256511 PMAQI
10th Jul 20256612 AMAQI
10th Jul 2025681 AMAQI
10th Jul 2025722 AMAQI
10th Jul 2025723 AMAQI
31°C28/35°C
10th Jul 2025744 AMAQI
10th Jul 2025775 AMAQI
10th Jul 2025776 AMAQI
10th Jul 2025777 AMAQI
10th Jul 2025778 AMAQI
10th Jul 2025619 AMAQI
10th Jul 20256310 AMAQI
10th Jul 20256911 AMAQI
10th Jul 20257512 PMAQI
10th Jul 2025671 PMAQI
10th Jul 2025602 PMAQI
10th Jul 2025563 PMAQI
10th Jul 2025544 PMAQI
10th Jul 2025565 PMAQI
10th Jul 2025576 PMAQI
10th Jul 2025557 PMAQI
10th Jul 2025588 PMAQI
10th Jul 2025629 PMAQI
10th Jul 20256110 PMAQI
10th Jul 20256211 PMAQI
11th Jul 20256212 AMAQI
11th Jul 2025661 AMAQI
11th Jul 2025702 AMAQI
11th Jul 2025703 AMAQI
30°C24/35°C
11th Jul 2025704 AMAQI
11th Jul 2025695 AMAQI
11th Jul 2025696 AMAQI
11th Jul 2025697 AMAQI
11th Jul 2025698 AMAQI
11th Jul 2025309 AMAQI
11th Jul 20251710 AMAQI
11th Jul 20251811 AMAQI
11th Jul 20252812 PMAQI
11th Jul 2025381 PMAQI
11th Jul 2025392 PMAQI
11th Jul 2025423 PMAQI
11th Jul 2025404 PMAQI
11th Jul 2025405 PMAQI
11th Jul 2025396 PMAQI
11th Jul 2025427 PMAQI
11th Jul 2025478 PMAQI
11th Jul 2025609 PMAQI
11th Jul 20256010 PMAQI
11th Jul 20256011 PMAQI
12th Jul 20256012 AMAQI
12th Jul 2025621 AMAQI
12th Jul 2025662 AMAQI
12th Jul 2025663 AMAQI
24°C23/26°C
12th Jul 2025644 AMAQI
12th Jul 2025625 AMAQI
12th Jul 2025626 AMAQI
12th Jul 2025627 AMAQI
12th Jul 2025628 AMAQI
12th Jul 2025389 AMAQI
12th Jul 20253410 AMAQI
12th Jul 20253811 AMAQI
12th Jul 20254012 PMAQI
12th Jul 2025501 PMAQI
12th Jul 2025532 PMAQI
12th Jul 2025523 PMAQI
12th Jul 2025524 PMAQI
12th Jul 2025515 PMAQI
12th Jul 2025476 PMAQI
12th Jul 2025457 PMAQI
12th Jul 2025488 PMAQI
12th Jul 2025579 PMAQI
12th Jul 20255710 PMAQI
12th Jul 20255711 PMAQI
13th Jul 20255712 AMAQI
13th Jul 2025591 AMAQI
13th Jul 2025612 AMAQI
13th Jul 2025623 AMAQI
25°C22/29°C
13th Jul 2025614 AMAQI
13th Jul 2025605 AMAQI
13th Jul 2025596 AMAQI
13th Jul 2025607 AMAQI
13th Jul 2025598 AMAQI
13th Jul 2025429 AMAQI
13th Jul 20253010 AMAQI
13th Jul 20253811 AMAQI
13th Jul 20254512 PMAQI
13th Jul 2025521 PMAQI
13th Jul 2025522 PMAQI
13th Jul 2025533 PMAQI
13th Jul 2025534 PMAQI
13th Jul 2025525 PMAQI
13th Jul 2025526 PMAQI
13th Jul 2025497 PMAQI
13th Jul 2025508 PMAQI
13th Jul 2025549 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
27°C24/32°C
14th Jul 2025584 AMAQI
14th Jul 2025575 AMAQI
14th Jul 2025576 AMAQI
14th Jul 2025587 AMAQI
14th Jul 2025588 AMAQI
14th Jul 2025319 AMAQI
14th Jul 20251810 AMAQI
14th Jul 20251711 AMAQI
14th Jul 20252112 PMAQI
14th Jul 2025321 PMAQI
14th Jul 2025312 PMAQI
14th Jul 2025293 PMAQI
14th Jul 2025344 PMAQI
14th Jul 2025335 PMAQI
14th Jul 2025326 PMAQI
14th Jul 2025347 PMAQI
14th Jul 2025398 PMAQI
14th Jul 2025529 PMAQI
14th Jul 20255110 PMAQI
14th Jul 20255211 PMAQI
15th Jul 20255212 AMAQI
15th Jul 2025541 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025563 AMAQI
27°C25/30°C
15th Jul 2025564 AMAQI
15th Jul 2025545 AMAQI
15th Jul 2025546 AMAQI
15th Jul 2025547 AMAQI
15th Jul 2025548 AMAQI
15th Jul 2025369 AMAQI
15th Jul 20252710 AMAQI
15th Jul 20252711 AMAQI
15th Jul 20252212 PMAQI
15th Jul 2025351 PMAQI
15th Jul 2025342 PMAQI
15th Jul 2025383 PMAQI
15th Jul 2025374 PMAQI
15th Jul 2025325 PMAQI
15th Jul 2025366 PMAQI
15th Jul 2025367 PMAQI
15th Jul 2025398 PMAQI
15th Jul 2025489 PMAQI
15th Jul 20255010 PMAQI
15th Jul 20255011 PMAQI
16th Jul 20255112 AMAQI
16th Jul 2025521 AMAQI
16th Jul 2025542 AMAQI
16th Jul 2025543 AMAQI
28°C27/31°C
16th Jul 2025534 AMAQI
16th Jul 2025525 AMAQI
16th Jul 2025526 AMAQI
16th Jul 2025527 AMAQI
16th Jul 2025528 AMAQI
16th Jul 2025529 AMAQI
16th Jul 20254910 AMAQI
16th Jul 20253711 AMAQI
16th Jul 20252912 PMAQI
16th Jul 2025271 PMAQI
16th Jul 2025272 PMAQI
16th Jul 2025303 PMAQI
16th Jul 2025294 PMAQI
16th Jul 2025295 PMAQI
16th Jul 2025286 PMAQI
16th Jul 2025297 PMAQI
16th Jul 2025348 PMAQI
16th Jul 2025459 PMAQI
16th Jul 20254510 PMAQI
16th Jul 20254611 PMAQI
17th Jul 20254612 AMAQI
17th Jul 2025491 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025523 AMAQI
28°C26/30°C
17th Jul 2025524 AMAQI
17th Jul 2025515 AMAQI
17th Jul 2025516 AMAQI
17th Jul 2025507 AMAQI
17th Jul 2025518 AMAQI
17th Jul 2025279 AMAQI
17th Jul 20252610 AMAQI
17th Jul 20253211 AMAQI
17th Jul 20252512 PMAQI
17th Jul 2025351 PMAQI
17th Jul 2025362 PMAQI
17th Jul 2025363 PMAQI
17th Jul 2025374 PMAQI
17th Jul 2025375 PMAQI
17th Jul 2025366 PMAQI
17th Jul 2025387 PMAQI
17th Jul 2025428 PMAQI
17th Jul 2025459 PMAQI
17th Jul 20254710 PMAQI
17th Jul 20254511 PMAQI
18th Jul 20254412 AMAQI
18th Jul 2025471 AMAQI
18th Jul 2025482 AMAQI
18th Jul 2025483 AMAQI
29°C27/33°C
18th Jul 2025484 AMAQI
18th Jul 2025465 AMAQI
18th Jul 2025456 AMAQI
18th Jul 2025467 AMAQI
18th Jul 2025458 AMAQI
18th Jul 2025309 AMAQI
18th Jul 20252210 AMAQI
18th Jul 20252511 AMAQI
18th Jul 20252312 PMAQI
18th Jul 2025281 PMAQI
18th Jul 2025272 PMAQI
18th Jul 2025263 PMAQI
18th Jul 2025274 PMAQI
18th Jul 2025285 PMAQI
18th Jul 2025306 PMAQI
18th Jul 2025327 PMAQI
18th Jul 2025348 PMAQI
18th Jul 2025429 PMAQI
18th Jul 20254310 PMAQI
18th Jul 20254311 PMAQI
19th Jul 20254312 AMAQI
19th Jul 2025441 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025473 AMAQI
29°C26/33°C
19th Jul 2025464 AMAQI
19th Jul 2025435 AMAQI
19th Jul 2025446 AMAQI
19th Jul 2025447 AMAQI
19th Jul 2025448 AMAQI
19th Jul 2025249 AMAQI
19th Jul 20251810 AMAQI
19th Jul 20252011 AMAQI
19th Jul 20251812 PMAQI
19th Jul 2025221 PMAQI
19th Jul 2025182 PMAQI
19th Jul 2025193 PMAQI
19th Jul 2025234 PMAQI
19th Jul 2025265 PMAQI
19th Jul 2025206 PMAQI
19th Jul 2025227 PMAQI
19th Jul 2025268 PMAQI
19th Jul 2025349 PMAQI
19th Jul 20253610 PMAQI
19th Jul 20253411 PMAQI
20th Jul 20253412 AMAQI
20th Jul 2025361 AMAQI
20th Jul 2025442 AMAQI
20th Jul 2025443 AMAQI
29°C26/33°C
20th Jul 2025434 AMAQI
20th Jul 2025405 AMAQI
20th Jul 2025406 AMAQI
20th Jul 2025407 AMAQI
20th Jul 2025408 AMAQI
20th Jul 2025299 AMAQI
20th Jul 20251910 AMAQI
20th Jul 20252111 AMAQI
20th Jul 20252212 PMAQI
20th Jul 2025241 PMAQI
20th Jul 2025252 PMAQI
20th Jul 2025303 PMAQI
20th Jul 2025274 PMAQI
20th Jul 2025265 PMAQI
20th Jul 2025256 PMAQI
20th Jul 2025257 PMAQI
20th Jul 2025368 PMAQI
20th Jul 2025369 PMAQI
20th Jul 20253410 PMAQI
20th Jul 20253511 PMAQI
21st Jul 20253412 AMAQI
21st Jul 2025361 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025403 AMAQI
30°C27/34°C
21st Jul 2025394 AMAQI
21st Jul 2025375 AMAQI
21st Jul 2025376 AMAQI
21st Jul 2025377 AMAQI
21st Jul 2025378 AMAQI
21st Jul 2025259 AMAQI
21st Jul 20252310 AMAQI
21st Jul 20252811 AMAQI
21st Jul 20253612 PMAQI
21st Jul 2025361 PMAQI
21st Jul 2025412 PMAQI
21st Jul 2025443 PMAQI
21st Jul 2025404 PMAQI
21st Jul 2025365 PMAQI
21st Jul 2025396 PMAQI
21st Jul 2025387 PMAQI
21st Jul 2025368 PMAQI
21st Jul 2025349 PMAQI
21st Jul 20253210 PMAQI
21st Jul 20253211 PMAQI
22nd Jul 20253212 AMAQI
22nd Jul 2025341 AMAQI
22nd Jul 2025382 AMAQI
22nd Jul 2025383 AMAQI
31°C28/36°C
22nd Jul 2025384 AMAQI
22nd Jul 2025375 AMAQI
22nd Jul 2025386 AMAQI
22nd Jul 2025377 AMAQI
22nd Jul 2025388 AMAQI
22nd Jul 2025269 AMAQI
22nd Jul 20252810 AMAQI
22nd Jul 20253711 AMAQI
22nd Jul 20254712 PMAQI
22nd Jul 2025481 PMAQI
22nd Jul 2025542 PMAQI
22nd Jul 2025573 PMAQI
22nd Jul 2025544 PMAQI
22nd Jul 2025455 PMAQI
22nd Jul 2025446 PMAQI
22nd Jul 2025367 PMAQI
22nd Jul 2025308 PMAQI
22nd Jul 2025329 PMAQI
22nd Jul 20253110 PMAQI
22nd Jul 20253011 PMAQI
23rd Jul 20253312 AMAQI
23rd Jul 2025341 AMAQI
23rd Jul 2025382 AMAQI
23rd Jul 2025383 AMAQI
31°C28/36°C
23rd Jul 2025384 AMAQI
23rd Jul 2025395 AMAQI
23rd Jul 2025396 AMAQI
23rd Jul 2025397 AMAQI
23rd Jul 2025398 AMAQI
23rd Jul 2025299 AMAQI
23rd Jul 20253410 AMAQI
23rd Jul 20254611 AMAQI
23rd Jul 20255412 PMAQI
23rd Jul 2025581 PMAQI
23rd Jul 2025582 PMAQI
23rd Jul 2025603 PMAQI
23rd Jul 2025564 PMAQI
23rd Jul 2025535 PMAQI
23rd Jul 2025546 PMAQI
23rd Jul 2025507 PMAQI
23rd Jul 2025448 PMAQI
23rd Jul 2025349 PMAQI
23rd Jul 20253210 PMAQI
23rd Jul 20253211 PMAQI
24th Jul 20253012 AMAQI
24th Jul 2025331 AMAQI
24th Jul 2025382 AMAQI
24th Jul 2025383 AMAQI
31°C28/35°C
24th Jul 2025384 AMAQI
24th Jul 2025415 AMAQI
24th Jul 2025416 AMAQI
24th Jul 2025417 AMAQI
24th Jul 2025418 AMAQI
24th Jul 2025359 AMAQI
24th Jul 20253910 AMAQI
24th Jul 20255111 AMAQI
24th Jul 20255912 PMAQI
24th Jul 2025601 PMAQI
24th Jul 2025612 PMAQI
24th Jul 2025623 PMAQI
24th Jul 2025584 PMAQI
24th Jul 2025575 PMAQI
24th Jul 2025526 PMAQI
24th Jul 2025407 PMAQI
24th Jul 2025348 PMAQI
24th Jul 2025339 PMAQI
24th Jul 20253410 PMAQI
24th Jul 20253411 PMAQI
25th Jul 20253612 AMAQI
25th Jul 2025361 AMAQI
25th Jul 2025372 AMAQI
25th Jul 2025383 AMAQI
32°C28/36°C
25th Jul 2025394 AMAQI
25th Jul 2025425 AMAQI
25th Jul 2025436 AMAQI
25th Jul 2025437 AMAQI
25th Jul 2025428 AMAQI
25th Jul 2025369 AMAQI
25th Jul 20253210 AMAQI
25th Jul 20255111 AMAQI
25th Jul 20255412 PMAQI
25th Jul 2025551 PMAQI
25th Jul 2025552 PMAQI
25th Jul 2025563 PMAQI
25th Jul 2025484 PMAQI
25th Jul 2025325 PMAQI
25th Jul 2025266 PMAQI
25th Jul 2025257 PMAQI
25th Jul 2025288 PMAQI
25th Jul 2025329 PMAQI
25th Jul 20253210 PMAQI
25th Jul 20253111 PMAQI
26th Jul 20253212 AMAQI
26th Jul 2025331 AMAQI
26th Jul 2025392 AMAQI
26th Jul 2025403 AMAQI
32°C29/36°C
26th Jul 2025404 AMAQI
26th Jul 2025435 AMAQI
26th Jul 2025426 AMAQI
26th Jul 2025437 AMAQI
26th Jul 2025438 AMAQI
26th Jul 2025379 AMAQI
26th Jul 20254710 AMAQI
26th Jul 20255311 AMAQI
26th Jul 20255712 PMAQI
26th Jul 2025591 PMAQI
26th Jul 2025522 PMAQI
26th Jul 2025443 PMAQI
26th Jul 2025374 PMAQI
26th Jul 2025335 PMAQI
26th Jul 2025286 PMAQI
26th Jul 2025297 PMAQI
26th Jul 2025288 PMAQI
26th Jul 2025339 PMAQI
26th Jul 20253210 PMAQI
26th Jul 20253011 PMAQI
27th Jul 20252912 AMAQI
27th Jul 2025331 AMAQI
27th Jul 2025382 AMAQI
27th Jul 2025383 AMAQI
32°C29/36°C
27th Jul 2025404 AMAQI
27th Jul 2025425 AMAQI
27th Jul 2025426 AMAQI
27th Jul 2025437 AMAQI
27th Jul 2025438 AMAQI
27th Jul 2025389 AMAQI
27th Jul 20254210 AMAQI
27th Jul 20255111 AMAQI
27th Jul 20255012 PMAQI
27th Jul 2025481 PMAQI
27th Jul 2025432 PMAQI
27th Jul 2025363 PMAQI
27th Jul 2025324 PMAQI
27th Jul 2025315 PMAQI
27th Jul 2025266 PMAQI
27th Jul 2025227 PMAQI
27th Jul 2025248 PMAQI
27th Jul 2025299 PMAQI
27th Jul 20252810 PMAQI
27th Jul 20252911 PMAQI
28th Jul 20253012 AMAQI
28th Jul 2025331 AMAQI
28th Jul 2025382 AMAQI
28th Jul 2025393 AMAQI
32°C29/36°C
28th Jul 2025384 AMAQI
28th Jul 2025405 AMAQI
28th Jul 2025406 AMAQI
28th Jul 2025407 AMAQI
28th Jul 2025408 AMAQI
28th Jul 2025279 AMAQI
28th Jul 20253010 AMAQI
28th Jul 20253611 AMAQI
28th Jul 20254612 PMAQI
28th Jul 2025511 PMAQI
28th Jul 2025542 PMAQI
28th Jul 2025573 PMAQI
28th Jul 2025594 PMAQI
28th Jul 2025575 PMAQI
28th Jul 2025546 PMAQI
28th Jul 2025507 PMAQI
28th Jul 2025408 PMAQI
28th Jul 2025359 PMAQI
28th Jul 20253410 PMAQI
28th Jul 20253311 PMAQI
29th Jul 20253612 AMAQI
29th Jul 2025341 AMAQI
29th Jul 2025382 AMAQI
29th Jul 2025373 AMAQI
32°C29/37°C
29th Jul 2025384 AMAQI
29th Jul 2025405 AMAQI
29th Jul 2025396 AMAQI
29th Jul 2025407 AMAQI
29th Jul 2025398 AMAQI
29th Jul 2025279 AMAQI
29th Jul 20252910 AMAQI
29th Jul 20253611 AMAQI
29th Jul 20254812 PMAQI
29th Jul 2025501 PMAQI
29th Jul 2025502 PMAQI
29th Jul 2025503 PMAQI
29th Jul 2025504 PMAQI
29th Jul 2025445 PMAQI
29th Jul 2025356 PMAQI
29th Jul 2025307 PMAQI
29th Jul 2025308 PMAQI
29th Jul 2025319 PMAQI
29th Jul 20252810 PMAQI
29th Jul 20252811 PMAQI
30th Jul 20252712 AMAQI
30th Jul 2025291 AMAQI
30th Jul 2025372 AMAQI
30th Jul 2025383 AMAQI
32°C28/38°C
30th Jul 2025374 AMAQI
30th Jul 2025385 AMAQI
30th Jul 2025376 AMAQI
30th Jul 2025387 AMAQI
30th Jul 2025388 AMAQI
30th Jul 2025229 AMAQI
30th Jul 20251710 AMAQI
30th Jul 20252011 AMAQI
30th Jul 20252912 PMAQI
30th Jul 2025321 PMAQI
30th Jul 2025302 PMAQI
30th Jul 2025353 PMAQI
30th Jul 2025314 PMAQI
30th Jul 2025305 PMAQI
30th Jul 2025326 PMAQI
30th Jul 2025327 PMAQI
30th Jul 2025358 PMAQI
30th Jul 2025349 PMAQI
30th Jul 20253410 PMAQI
30th Jul 20253311 PMAQI
31st Jul 20253412 AMAQI
31st Jul 2025341 AMAQI
31st Jul 2025362 AMAQI
31st Jul 2025363 AMAQI
31°C27/36°C
31st Jul 2025364 AMAQI
31st Jul 2025355 AMAQI
31st Jul 2025356 AMAQI
31st Jul 2025357 AMAQI
31st Jul 2025358 AMAQI
31st Jul 2025359 AMAQI
31st Jul 20253510 AMAQI
31st Jul 20253811 AMAQI
31st Jul 20253412 PMAQI
31st Jul 2025351 PMAQI
31st Jul 2025342 PMAQI
31st Jul 2025303 PMAQI
31st Jul 2025284 PMAQI
31st Jul 2025295 PMAQI
31st Jul 2025256 PMAQI
31st Jul 2025237 PMAQI
31st Jul 2025268 PMAQI
31st Jul 2025279 PMAQI
31st Jul 20252910 PMAQI
31st Jul 20252711 PMAQI
1st Aug 20252612 AMAQI
1st Aug 2025291 AMAQI
1st Aug 2025332 AMAQI
1st Aug 2025353 AMAQI
29°C26/35°C
1st Aug 2025364 AMAQI
1st Aug 2025345 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025357 AMAQI
1st Aug 2025378 AMAQI
1st Aug 2025309 AMAQI
1st Aug 20253210 AMAQI
1st Aug 20253911 AMAQI
1st Aug 20254112 PMAQI
1st Aug 2025361 PMAQI
1st Aug 2025382 PMAQI
1st Aug 2025343 PMAQI
1st Aug 2025424 PMAQI
1st Aug 2025345 PMAQI
1st Aug 2025366 PMAQI
1st Aug 2025247 PMAQI
1st Aug 2025298 PMAQI
1st Aug 2025279 PMAQI
1st Aug 20252910 PMAQI
1st Aug 20252711 PMAQI
2nd Aug 20252812 AMAQI
2nd Aug 2025301 AMAQI
2nd Aug 2025372 AMAQI
2nd Aug 2025373 AMAQI
29°C26/32°C
2nd Aug 2025374 AMAQI
2nd Aug 2025375 AMAQI
2nd Aug 2025396 AMAQI
2nd Aug 2025377 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025389 AMAQI
2nd Aug 20253510 AMAQI
2nd Aug 20254611 AMAQI
2nd Aug 20254012 PMAQI
2nd Aug 2025481 PMAQI
2nd Aug 2025612 PMAQI
2nd Aug 2025613 PMAQI
2nd Aug 2025544 PMAQI
2nd Aug 2025555 PMAQI
2nd Aug 2025586 PMAQI
2nd Aug 2025547 PMAQI
2nd Aug 2025408 PMAQI
2nd Aug 2025379 PMAQI
2nd Aug 20253610 PMAQI
2nd Aug 20254411 PMAQI
3rd Aug 20253212 AMAQI
3rd Aug 2025341 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025373 AMAQI
31°C27/37°C
3rd Aug 2025404 AMAQI
3rd Aug 2025395 AMAQI
3rd Aug 2025386 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025388 AMAQI
3rd Aug 2025509 AMAQI
3rd Aug 20255610 AMAQI
3rd Aug 20255211 AMAQI
3rd Aug 20256312 PMAQI
3rd Aug 2025541 PMAQI
3rd Aug 2025562 PMAQI
3rd Aug 2025533 PMAQI
3rd Aug 2025504 PMAQI
3rd Aug 2025525 PMAQI
3rd Aug 2025546 PMAQI
3rd Aug 2025527 PMAQI
3rd Aug 2025478 PMAQI
3rd Aug 2025429 PMAQI
3rd Aug 20254410 PMAQI
3rd Aug 20253911 PMAQI
4th Aug 20253812 AMAQI
4th Aug 2025371 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025393 AMAQI
32°C28/37°C
4th Aug 2025424 AMAQI
4th Aug 2025435 AMAQI
4th Aug 2025426 AMAQI
4th Aug 2025427 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025619 AMAQI
4th Aug 20256810 AMAQI
4th Aug 20258111 AMAQI
4th Aug 20257812 PMAQI
4th Aug 2025881 PMAQI
4th Aug 2025972 PMAQI
4th Aug 2025843 PMAQI
4th Aug 2025884 PMAQI
4th Aug 2025885 PMAQI
4th Aug 2025816 PMAQI
4th Aug 2025737 PMAQI
4th Aug 2025688 PMAQI
4th Aug 2025609 PMAQI
4th Aug 20255710 PMAQI
4th Aug 20255011 PMAQI
5th Aug 20256312 AMAQI
5th Aug 2025421 AMAQI
5th Aug 2025402 AMAQI
5th Aug 2025403 AMAQI
33°C30/38°C
5th Aug 2025504 AMAQI
5th Aug 2025535 AMAQI
5th Aug 2025536 AMAQI
5th Aug 2025527 AMAQI
5th Aug 2025548 AMAQI
5th Aug 2025589 AMAQI
5th Aug 20256010 AMAQI
5th Aug 20255811 AMAQI
5th Aug 20256412 PMAQI
5th Aug 2025571 PMAQI
5th Aug 2025552 PMAQI
5th Aug 2025543 PMAQI
5th Aug 2025614 PMAQI
5th Aug 2025525 PMAQI
5th Aug 2025526 PMAQI
5th Aug 2025477 PMAQI
5th Aug 2025498 PMAQI
5th Aug 2025489 PMAQI
5th Aug 20254810 PMAQI
5th Aug 20254611 PMAQI
6th Aug 20254612 AMAQI
6th Aug 2025481 AMAQI
6th Aug 2025502 AMAQI
6th Aug 2025483 AMAQI
35°C30/39°C
6th Aug 2025524 AMAQI
6th Aug 2025525 AMAQI
6th Aug 2025526 AMAQI
6th Aug 2025527 AMAQI
6th Aug 2025528 AMAQI
6th Aug 2025509 AMAQI
6th Aug 20254410 AMAQI
6th Aug 20255411 AMAQI
6th Aug 20255612 PMAQI
6th Aug 2025541 PMAQI
6th Aug 2025592 PMAQI
6th Aug 2025543 PMAQI
6th Aug 2025564 PMAQI
6th Aug 2025605 PMAQI
6th Aug 2025546 PMAQI
6th Aug 2025597 PMAQI
6th Aug 2025548 PMAQI
6th Aug 2025489 PMAQI
6th Aug 20255010 PMAQI
6th Aug 20254811 PMAQI
7th Aug 20254712 AMAQI
7th Aug 2025481 AMAQI
7th Aug 2025522 AMAQI
7th Aug 2025503 AMAQI
33°C30/38°C
7th Aug 2025524 AMAQI
4 AM7th Aug 2025515 AMAQI
7th Aug 2025526 AMAQI
7th Aug 2025467 AMAQI
7th Aug 2025518 AMAQI
7th Aug 2025449 AMAQI
7th Aug 20254410 AMAQI
7th Aug 20254611 AMAQI
11 AM7th Aug 20253112 PMAQI
7th Aug 2025341 PMAQI
7th Aug 2025252 PMAQI
7th Aug 2025223 PMAQI
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
11 AM - 6 PM
47AQI
8 hours / Day
240 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 11 AM to 6 PM (Avg. 47), while the lowest AQI was between 9 AM to 10 AM (Avg. 41).
Night time
Avg. Highest Time
2 AM - 3 AM
47AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
7 PM - 11 PM
42AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 3 AM (Avg. 47), while the lowest AQI was between 7 PM to 11 PM (Avg. 42).
2025 Days Vs Air Quality
Niizo, Shimotoda, Saitama, Japan
2025
86%
187
14%
31
Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)
Good
187 DaysModerate
31 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2025, 86% 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
Niizo, Shimotoda, 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
33AQI
33AQI
2nd January 2025
33AQI
33AQI
3rd January 2025
25AQI
25AQI
4th January 2025
28AQI
28AQI
5th January 2025
36AQI
36AQI
6th January 2025
53AQI
53AQI
7th January 2025
31AQI
31AQI
8th January 2025
35AQI
35AQI
9th January 2025
30AQI
30AQI
10th January 2025
30AQI
30AQI
11th January 2025
28AQI
28AQI
12th January 2025
42AQI
42AQI
13th January 2025
31AQI
31AQI
14th January 2025
43AQI
43AQI
15th January 2025
39AQI
39AQI
16th January 2025
36AQI
36AQI
17th January 2025
33AQI
33AQI
18th January 2025
36AQI
36AQI
19th January 2025
47AQI
47AQI
20th January 2025
43AQI
43AQI
21st January 2025
45AQI
45AQI
22nd January 2025
42AQI
42AQI
23rd January 2025
51AQI
51AQI
24th January 2025
48AQI
48AQI
25th January 2025
41AQI
41AQI
26th January 2025
37AQI
37AQI
27th January 2025
38AQI
38AQI
28th January 2025
44AQI
44AQI
29th January 2025
32AQI
32AQI
30th January 2025
35AQI
35AQI
31st January 2025
30AQI
30AQI
1st February 2025
44AQI
44AQI
2nd February 2025
36AQI
36AQI
3rd February 2025
43AQI
43AQI
4th February 2025
33AQI
33AQI
5th February 2025
33AQI
33AQI
6th February 2025
27AQI
27AQI
7th February 2025
31AQI
31AQI
8th February 2025
29AQI
29AQI
9th February 2025
29AQI
29AQI
10th February 2025
27AQI
27AQI
11th February 2025
30AQI
30AQI
12th February 2025
41AQI
41AQI
13th February 2025
37AQI
37AQI
14th February 2025
34AQI
34AQI
15th February 2025
33AQI
33AQI
16th February 2025
42AQI
42AQI
17th February 2025
39AQI
39AQI
18th February 2025
34AQI
34AQI
19th February 2025
31AQI
31AQI
20th February 2025
29AQI
29AQI
21st February 2025
30AQI
30AQI
22nd February 2025
30AQI
30AQI
23rd February 2025
31AQI
31AQI
24th February 2025
32AQI
32AQI
25th February 2025
33AQI
33AQI
26th February 2025
39AQI
39AQI
27th February 2025
40AQI
40AQI
28th February 2025
55AQI
55AQI
1st March 2025
54AQI
54AQI
2nd March 2025
62AQI
62AQI
3rd March 2025
40AQI
40AQI
4th March 2025
40AQI
40AQI
5th March 2025
28AQI
28AQI
6th March 2025
36AQI
36AQI
7th March 2025
32AQI
32AQI
8th March 2025
38AQI
38AQI
9th March 2025
36AQI
36AQI
10th March 2025
38AQI
38AQI
11th March 2025
41AQI
41AQI
12th March 2025
52AQI
52AQI
13th March 2025
47AQI
47AQI
14th March 2025
44AQI
44AQI
15th March 2025
40AQI
40AQI
16th March 2025
29AQI
29AQI
17th March 2025
25AQI
25AQI
18th March 2025
27AQI
27AQI
19th March 2025
18AQI
18AQI
20th March 2025
26AQI
26AQI
21st March 2025
41AQI
41AQI
22nd March 2025
53AQI
53AQI
23rd March 2025
57AQI
57AQI
24th March 2025
57AQI
57AQI
25th March 2025
74AQI
74AQI
26th March 2025
78AQI
78AQI
27th March 2025
72AQI
72AQI
28th March 2025
50AQI
50AQI
29th March 2025
37AQI
37AQI
30th March 2025
38AQI
38AQI
31st March 2025
32AQI
32AQI
1st April 2025
28AQI
28AQI
2nd April 2025
21AQI
21AQI
3rd April 2025
22AQI
22AQI
4th April 2025
24AQI
24AQI
5th April 2025
30AQI
30AQI
6th April 2025
25AQI
25AQI
7th April 2025
32AQI
32AQI
8th April 2025
38AQI
38AQI
9th April 2025
30AQI
30AQI
10th April 2025
46AQI
46AQI
11th April 2025
43AQI
43AQI
12th April 2025
43AQI
43AQI
13th April 2025
36AQI
36AQI
14th April 2025
39AQI
39AQI
15th April 2025
31AQI
31AQI
16th April 2025
33AQI
33AQI
17th April 2025
43AQI
43AQI
18th April 2025
53AQI
53AQI
19th April 2025
65AQI
65AQI
20th April 2025
51AQI
51AQI
21st April 2025
48AQI
48AQI
22nd April 2025
48AQI
48AQI
23rd April 2025
31AQI
31AQI
24th April 2025
46AQI
46AQI
25th April 2025
47AQI
47AQI
26th April 2025
49AQI
49AQI
27th April 2025
53AQI
53AQI
28th April 2025
48AQI
48AQI
29th April 2025
38AQI
38AQI
30th April 2025
47AQI
47AQI
1st May 2025
41AQI
41AQI
2nd May 2025
33AQI
33AQI
3rd May 2025
32AQI
32AQI
4th May 2025
39AQI
39AQI
5th May 2025
35AQI
35AQI
6th May 2025
31AQI
31AQI
7th May 2025
26AQI
26AQI
8th May 2025
32AQI
32AQI
9th May 2025
33AQI
33AQI
10th May 2025
24AQI
24AQI
11th May 2025
25AQI
25AQI
12th May 2025
25AQI
25AQI
13th May 2025
34AQI
34AQI
14th May 2025
37AQI
37AQI
15th May 2025
39AQI
39AQI
16th May 2025
44AQI
44AQI
17th May 2025
28AQI
28AQI
18th May 2025
45AQI
45AQI
19th May 2025
46AQI
46AQI
20th May 2025
64AQI
64AQI
21st May 2025
59AQI
59AQI
22nd May 2025
45AQI
45AQI
23rd May 2025
46AQI
46AQI
24th May 2025
44AQI
44AQI
25th May 2025
32AQI
32AQI
26th May 2025
31AQI
31AQI
27th May 2025
25AQI
25AQI
28th May 2025
26AQI
26AQI
29th May 2025
31AQI
31AQI
30th May 2025
27AQI
27AQI
31st May 2025
18AQI
18AQI
1st June 2025
24AQI
24AQI
2nd June 2025
30AQI
30AQI
3rd June 2025
37AQI
37AQI
4th June 2025
29AQI
29AQI
5th June 2025
40AQI
40AQI
6th June 2025
45AQI
45AQI
7th June 2025
49AQI
49AQI
8th June 2025
58AQI
58AQI
9th June 2025
51AQI
51AQI
10th June 2025
39AQI
39AQI
11th June 2025
35AQI
35AQI
12th June 2025
41AQI
41AQI
13th June 2025
45AQI
45AQI
14th June 2025
37AQI
37AQI
15th June 2025
32AQI
32AQI
16th June 2025
37AQI
37AQI
17th June 2025
50AQI
50AQI
18th June 2025
47AQI
47AQI
19th June 2025
45AQI
45AQI
20th June 2025
45AQI
45AQI
21st June 2025
35AQI
35AQI
22nd June 2025
29AQI
29AQI
23rd June 2025
27AQI
27AQI
24th June 2025
24AQI
24AQI
25th June 2025
21AQI
21AQI
26th June 2025
22AQI
22AQI
27th June 2025
27AQI
27AQI
28th June 2025
29AQI
29AQI
29th June 2025
34AQI
34AQI
30th June 2025
38AQI
38AQI
1st July 2025
40AQI
40AQI
2nd July 2025
43AQI
43AQI
3rd July 2025
47AQI
47AQI
4th July 2025
46AQI
46AQI
5th July 2025
48AQI
48AQI
6th July 2025
56AQI
56AQI
7th July 2025
72AQI
72AQI
8th July 2025
76AQI
76AQI
9th July 2025
82AQI
82AQI
10th July 2025
66AQI
66AQI
11th July 2025
53AQI
53AQI
12th July 2025
55AQI
55AQI
13th July 2025
54AQI
54AQI
14th July 2025
46AQI
46AQI
15th July 2025
45AQI
45AQI
16th July 2025
44AQI
44AQI
17th July 2025
43AQI
43AQI
18th July 2025
39AQI
39AQI
19th July 2025
32AQI
32AQI
20th July 2025
33AQI
33AQI
21st July 2025
36AQI
36AQI
22nd July 2025
38AQI
38AQI
23rd July 2025
42AQI
42AQI
24th July 2025
43AQI
43AQI
25th July 2025
38AQI
38AQI
26th July 2025
39AQI
39AQI
27th July 2025
36AQI
36AQI
28th July 2025
41AQI
41AQI
29th July 2025
37AQI
37AQI
30th July 2025
32AQI
32AQI
31st July 2025
32AQI
32AQI
1st August 2025
33AQI
33AQI
2nd August 2025
43AQI
43AQI
3rd August 2025
45AQI
45AQI
4th August 2025
61AQI
61AQI
5th August 2025
51AQI
51AQI
6th August 2025
51AQI
51AQI
37AQI
35AQI
43AQI
40AQI
35AQI
37AQI
46AQI
47AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202539AQI
29
2
27
1
22
9
26
4
29
2
28
2
23
8
3
3
187
31
Highest AQI recorded in
August47AQI
Lowest AQI recorded in
February35AQI
202439AQI
29
2
27
2
23
8
20
10
26
5
26
4
13
18
29
2
26
4
27
4
25
5
30
1
301
65
Highest AQI recorded in
July53AQI
Lowest AQI recorded in
September32AQI
202343AQI
22
9
18
10
19
12
19
11
24
7
20
10
15
16
28
3
28
2
26
5
18
11
23
8
260
104
Highest AQI recorded in
July51AQI
Lowest AQI recorded in
August32AQI
202241AQI
26
4
18
3
21
10
11
7
24
7
18
12
17
4
1
26
2
26
5
21
9
29
2
238
65
Highest AQI recorded in
March47AQI
Lowest AQI recorded in
August27AQI
202138AQI
22
9
21
7
24
5
20
1
22
9
26
4
23
8
24
7
28
2
28
3
23
7
23
8
284
70
Highest AQI recorded in
May44AQI
Lowest AQI recorded in
April35AQI
202035AQI
10
3
19
2
17
1
26
4
29
1
20
11
19
29
2
19
11
21
10
209
45
Highest AQI recorded in
August44AQI
Lowest AQI recorded in
September25AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
43AQILeast Polluted Year Recorded
2020(Avg.)
35AQINiizo's annual 2025 AQI (39) shows an average percentage change of 0.6% (worsened AQI) compared to previous years: 2020 (35), 2021 (38), 2022 (41), 2023 (43), 2024 (39).
