Hidaka, 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
Hidaka, Saitama, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
65AQILowest AQI recorded on
30th Aug 2024
9AQISame Day Analysis (5th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 52 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
Hidaka, Saitama, Japan
AQI
Day
Night
.
4 AM6th Aug 2025
6 PM
3 AM7th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
7PM6th Aug
58AQI
Avg. Lowest Time
9AM6th Aug
37AQI
In the last 24 hours,
Hidaka's AQI reached its highest point of 58 at 7 PM during the Night, while the lowest point, 37, was recorded at 9 AM during the Night between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Hidaka, 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 2025564 AMAQI
8th Jul 2025595 AMAQI
8th Jul 2025596 AMAQI
8th Jul 2025597 AMAQI
8th Jul 2025598 AMAQI
8th Jul 20251099 AMAQI
8th Jul 202512410 AMAQI
8th Jul 202511711 AMAQI
8th Jul 20259812 PMAQI
8th Jul 2025851 PMAQI
8th Jul 2025812 PMAQI
8th Jul 2025803 PMAQI
8th Jul 2025784 PMAQI
8th Jul 2025775 PMAQI
8th Jul 2025796 PMAQI
8th Jul 2025827 PMAQI
8th Jul 2025828 PMAQI
8th Jul 2025759 PMAQI
8th Jul 20257610 PMAQI
8th Jul 20257611 PMAQI
9th Jul 20257612 AMAQI
9th Jul 2025711 AMAQI
9th Jul 2025642 AMAQI
9th Jul 2025653 AMAQI
30°C27/35°C
9th Jul 2025664 AMAQI
9th Jul 2025725 AMAQI
9th Jul 2025726 AMAQI
9th Jul 2025727 AMAQI
9th Jul 2025728 AMAQI
9th Jul 2025839 AMAQI
9th Jul 20258810 AMAQI
9th Jul 20258511 AMAQI
9th Jul 20258512 PMAQI
9th Jul 2025821 PMAQI
9th Jul 2025902 PMAQI
9th Jul 2025963 PMAQI
9th Jul 2025954 PMAQI
9th Jul 2025945 PMAQI
9th Jul 2025926 PMAQI
9th Jul 2025867 PMAQI
9th Jul 2025728 PMAQI
9th Jul 2025689 PMAQI
9th Jul 20256710 PMAQI
9th Jul 20256611 PMAQI
10th Jul 20256712 AMAQI
10th Jul 2025681 AMAQI
10th Jul 2025712 AMAQI
10th Jul 2025713 AMAQI
30°C26/35°C
10th Jul 2025734 AMAQI
10th Jul 2025765 AMAQI
10th Jul 2025766 AMAQI
10th Jul 2025767 AMAQI
10th Jul 2025758 AMAQI
10th Jul 2025649 AMAQI
10th Jul 20256410 AMAQI
10th Jul 20257411 AMAQI
10th Jul 20257612 PMAQI
10th Jul 2025701 PMAQI
10th Jul 2025682 PMAQI
10th Jul 2025603 PMAQI
10th Jul 2025534 PMAQI
10th Jul 2025565 PMAQI
10th Jul 2025536 PMAQI
10th Jul 2025497 PMAQI
10th Jul 2025488 PMAQI
10th Jul 2025629 PMAQI
10th Jul 20256110 PMAQI
10th Jul 20256211 PMAQI
11th Jul 20256212 AMAQI
11th Jul 2025651 AMAQI
11th Jul 2025702 AMAQI
11th Jul 2025703 AMAQI
28°C23/34°C
11th Jul 2025704 AMAQI
11th Jul 2025705 AMAQI
11th Jul 2025696 AMAQI
11th Jul 2025707 AMAQI
11th Jul 2025698 AMAQI
11th Jul 2025309 AMAQI
11th Jul 20251610 AMAQI
11th Jul 20251911 AMAQI
11th Jul 20252012 PMAQI
11th Jul 2025401 PMAQI
11th Jul 2025412 PMAQI
11th Jul 2025423 PMAQI
11th Jul 2025444 PMAQI
11th Jul 2025425 PMAQI
11th Jul 2025406 PMAQI
11th Jul 2025437 PMAQI
11th Jul 2025468 PMAQI
11th Jul 2025609 PMAQI
11th Jul 20256110 PMAQI
11th Jul 20256111 PMAQI
12th Jul 20256112 AMAQI
12th Jul 2025631 AMAQI
12th Jul 2025662 AMAQI
12th Jul 2025663 AMAQI
23°C22/23°C
12th Jul 2025654 AMAQI
12th Jul 2025635 AMAQI
12th Jul 2025626 AMAQI
12th Jul 2025627 AMAQI
12th Jul 2025638 AMAQI
12th Jul 2025429 AMAQI
12th Jul 20253410 AMAQI
12th Jul 20253311 AMAQI
12th Jul 20253912 PMAQI
12th Jul 2025511 PMAQI
12th Jul 2025502 PMAQI
12th Jul 2025523 PMAQI
12th Jul 2025534 PMAQI
12th Jul 2025545 PMAQI
12th Jul 2025536 PMAQI
12th Jul 2025547 PMAQI
12th Jul 2025538 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 2025623 AMAQI
24°C21/28°C
13th Jul 2025624 AMAQI
13th Jul 2025605 AMAQI
13th Jul 2025596 AMAQI
13th Jul 2025607 AMAQI
13th Jul 2025608 AMAQI
13th Jul 2025509 AMAQI
13th Jul 20253810 AMAQI
13th Jul 20254511 AMAQI
13th Jul 20255012 PMAQI
13th Jul 2025531 PMAQI
13th Jul 2025542 PMAQI
13th Jul 2025533 PMAQI
13th Jul 2025504 PMAQI
13th Jul 2025465 PMAQI
13th Jul 2025466 PMAQI
13th Jul 2025467 PMAQI
13th Jul 2025468 PMAQI
13th Jul 2025569 PMAQI
13th Jul 20255510 PMAQI
13th Jul 20255511 PMAQI
14th Jul 20255512 AMAQI
14th Jul 2025571 AMAQI
14th Jul 2025592 AMAQI
14th Jul 2025593 AMAQI
26°C23/30°C
14th Jul 2025594 AMAQI
14th Jul 2025585 AMAQI
14th Jul 2025586 AMAQI
14th Jul 2025587 AMAQI
14th Jul 2025588 AMAQI
14th Jul 2025289 AMAQI
14th Jul 20251810 AMAQI
14th Jul 20251611 AMAQI
14th Jul 20251712 PMAQI
14th Jul 2025301 PMAQI
14th Jul 2025312 PMAQI
14th Jul 2025313 PMAQI
14th Jul 2025344 PMAQI
14th Jul 2025365 PMAQI
14th Jul 2025366 PMAQI
14th Jul 2025337 PMAQI
14th Jul 2025358 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
25°C23/28°C
15th Jul 2025564 AMAQI
15th Jul 2025545 AMAQI
15th Jul 2025546 AMAQI
15th Jul 2025547 AMAQI
15th Jul 2025548 AMAQI
15th Jul 2025249 AMAQI
15th Jul 20251510 AMAQI
15th Jul 20251711 AMAQI
15th Jul 20252212 PMAQI
15th Jul 2025341 PMAQI
15th Jul 2025342 PMAQI
15th Jul 2025313 PMAQI
15th Jul 2025344 PMAQI
15th Jul 2025345 PMAQI
15th Jul 2025366 PMAQI
15th Jul 2025317 PMAQI
15th Jul 2025328 PMAQI
15th Jul 2025489 PMAQI
15th Jul 20255010 PMAQI
15th Jul 20255011 PMAQI
16th Jul 20255012 AMAQI
16th Jul 2025501 AMAQI
16th Jul 2025542 AMAQI
16th Jul 2025543 AMAQI
27°C25/32°C
16th Jul 2025534 AMAQI
16th Jul 2025525 AMAQI
16th Jul 2025526 AMAQI
16th Jul 2025527 AMAQI
16th Jul 2025528 AMAQI
16th Jul 2025509 AMAQI
16th Jul 20255710 AMAQI
16th Jul 20255211 AMAQI
16th Jul 20253612 PMAQI
16th Jul 2025371 PMAQI
16th Jul 2025332 PMAQI
16th Jul 2025313 PMAQI
16th Jul 2025344 PMAQI
16th Jul 2025345 PMAQI
16th Jul 2025306 PMAQI
16th Jul 2025277 PMAQI
16th Jul 2025288 PMAQI
16th Jul 2025449 PMAQI
16th Jul 20254410 PMAQI
16th Jul 20254611 PMAQI
17th Jul 20254612 AMAQI
17th Jul 2025481 AMAQI
17th Jul 2025512 AMAQI
17th Jul 2025523 AMAQI
28°C23/32°C
17th Jul 2025524 AMAQI
17th Jul 2025515 AMAQI
17th Jul 2025516 AMAQI
17th Jul 2025507 AMAQI
17th Jul 2025518 AMAQI
17th Jul 2025229 AMAQI
17th Jul 20252310 AMAQI
17th Jul 20252811 AMAQI
17th Jul 20253012 PMAQI
17th Jul 2025361 PMAQI
17th Jul 2025362 PMAQI
17th Jul 2025363 PMAQI
17th Jul 2025334 PMAQI
17th Jul 2025355 PMAQI
17th Jul 2025386 PMAQI
17th Jul 2025387 PMAQI
17th Jul 2025408 PMAQI
17th Jul 2025449 PMAQI
17th Jul 20254310 PMAQI
17th Jul 20254311 PMAQI
18th Jul 20254412 AMAQI
18th Jul 2025471 AMAQI
18th Jul 2025482 AMAQI
18th Jul 2025483 AMAQI
28°C25/32°C
18th Jul 2025484 AMAQI
18th Jul 2025455 AMAQI
18th Jul 2025456 AMAQI
18th Jul 2025467 AMAQI
18th Jul 2025458 AMAQI
18th Jul 2025349 AMAQI
18th Jul 20253210 AMAQI
18th Jul 20253211 AMAQI
18th Jul 20253512 PMAQI
18th Jul 2025331 PMAQI
18th Jul 2025342 PMAQI
18th Jul 2025323 PMAQI
18th Jul 2025324 PMAQI
18th Jul 2025325 PMAQI
18th Jul 2025326 PMAQI
18th Jul 2025327 PMAQI
18th Jul 2025348 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
27°C23/33°C
19th Jul 2025454 AMAQI
19th Jul 2025435 AMAQI
19th Jul 2025436 AMAQI
19th Jul 2025447 AMAQI
19th Jul 2025438 AMAQI
19th Jul 2025309 AMAQI
19th Jul 20252910 AMAQI
19th Jul 20253211 AMAQI
19th Jul 20252412 PMAQI
19th Jul 2025301 PMAQI
19th Jul 2025322 PMAQI
19th Jul 2025313 PMAQI
19th Jul 2025324 PMAQI
19th Jul 2025265 PMAQI
19th Jul 2025296 PMAQI
19th Jul 2025307 PMAQI
19th Jul 2025348 PMAQI
19th Jul 2025409 PMAQI
19th Jul 20253910 PMAQI
19th Jul 20254011 PMAQI
20th Jul 20254012 AMAQI
20th Jul 2025421 AMAQI
20th Jul 2025442 AMAQI
20th Jul 2025443 AMAQI
28°C25/34°C
20th Jul 2025434 AMAQI
20th Jul 2025425 AMAQI
20th Jul 2025426 AMAQI
20th Jul 2025427 AMAQI
20th Jul 2025428 AMAQI
20th Jul 2025349 AMAQI
20th Jul 20252910 AMAQI
20th Jul 20253111 AMAQI
20th Jul 20253312 PMAQI
20th Jul 2025331 PMAQI
20th Jul 2025322 PMAQI
20th Jul 2025313 PMAQI
20th Jul 2025334 PMAQI
20th Jul 2025305 PMAQI
20th Jul 2025326 PMAQI
20th Jul 2025327 PMAQI
20th Jul 2025358 PMAQI
20th Jul 2025379 PMAQI
20th Jul 20253710 PMAQI
20th Jul 20253711 PMAQI
21st Jul 20253812 AMAQI
21st Jul 2025401 AMAQI
21st Jul 2025412 AMAQI
21st Jul 2025413 AMAQI
30°C25/35°C
21st Jul 2025414 AMAQI
21st Jul 2025385 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025397 AMAQI
21st Jul 2025388 AMAQI
21st Jul 2025319 AMAQI
21st Jul 20253710 AMAQI
21st Jul 20254211 AMAQI
21st Jul 20254412 PMAQI
21st Jul 2025431 PMAQI
21st Jul 2025432 PMAQI
21st Jul 2025483 PMAQI
21st Jul 2025424 PMAQI
21st Jul 2025375 PMAQI
21st Jul 2025346 PMAQI
21st Jul 2025337 PMAQI
21st Jul 2025348 PMAQI
21st Jul 2025369 PMAQI
21st Jul 20253610 PMAQI
21st Jul 20253511 PMAQI
22nd Jul 20253612 AMAQI
22nd Jul 2025381 AMAQI
22nd Jul 2025392 AMAQI
22nd Jul 2025393 AMAQI
31°C26/36°C
22nd Jul 2025384 AMAQI
22nd Jul 2025405 AMAQI
22nd Jul 2025396 AMAQI
22nd Jul 2025397 AMAQI
22nd Jul 2025408 AMAQI
22nd Jul 2025379 AMAQI
22nd Jul 20254210 AMAQI
22nd Jul 20254611 AMAQI
22nd Jul 20254712 PMAQI
22nd Jul 2025481 PMAQI
22nd Jul 2025482 PMAQI
22nd Jul 2025443 PMAQI
22nd Jul 2025464 PMAQI
22nd Jul 2025425 PMAQI
22nd Jul 2025366 PMAQI
22nd Jul 2025307 PMAQI
22nd Jul 2025318 PMAQI
22nd Jul 2025329 PMAQI
22nd Jul 20253310 PMAQI
22nd Jul 20253711 PMAQI
23rd Jul 20253512 AMAQI
23rd Jul 2025371 AMAQI
23rd Jul 2025372 AMAQI
23rd Jul 2025373 AMAQI
31°C26/37°C
23rd Jul 2025384 AMAQI
23rd Jul 2025395 AMAQI
23rd Jul 2025406 AMAQI
23rd Jul 2025407 AMAQI
23rd Jul 2025408 AMAQI
23rd Jul 2025509 AMAQI
23rd Jul 20255410 AMAQI
23rd Jul 20255711 AMAQI
23rd Jul 20255812 PMAQI
23rd Jul 2025551 PMAQI
23rd Jul 2025542 PMAQI
23rd Jul 2025553 PMAQI
23rd Jul 2025544 PMAQI
23rd Jul 2025525 PMAQI
23rd Jul 2025496 PMAQI
23rd Jul 2025447 PMAQI
23rd Jul 2025378 PMAQI
23rd Jul 2025369 PMAQI
23rd Jul 20253510 PMAQI
23rd Jul 20253411 PMAQI
24th Jul 20253512 AMAQI
24th Jul 2025361 AMAQI
24th Jul 2025382 AMAQI
24th Jul 2025383 AMAQI
31°C26/37°C
24th Jul 2025394 AMAQI
24th Jul 2025415 AMAQI
24th Jul 2025426 AMAQI
24th Jul 2025417 AMAQI
24th Jul 2025428 AMAQI
24th Jul 2025499 AMAQI
24th Jul 20255410 AMAQI
24th Jul 20255411 AMAQI
24th Jul 20255712 PMAQI
24th Jul 2025551 PMAQI
24th Jul 2025552 PMAQI
24th Jul 2025563 PMAQI
24th Jul 2025544 PMAQI
24th Jul 2025495 PMAQI
24th Jul 2025436 PMAQI
24th Jul 2025367 PMAQI
24th Jul 2025378 PMAQI
24th Jul 2025359 PMAQI
24th Jul 20253510 PMAQI
24th Jul 20253711 PMAQI
25th Jul 20253812 AMAQI
25th Jul 2025381 AMAQI
25th Jul 2025382 AMAQI
25th Jul 2025383 AMAQI
31°C26/37°C
25th Jul 2025404 AMAQI
25th Jul 2025425 AMAQI
25th Jul 2025426 AMAQI
25th Jul 2025437 AMAQI
25th Jul 2025428 AMAQI
25th Jul 2025529 AMAQI
25th Jul 20255810 AMAQI
25th Jul 20256011 AMAQI
25th Jul 20255912 PMAQI
25th Jul 2025551 PMAQI
25th Jul 2025562 PMAQI
25th Jul 2025513 PMAQI
25th Jul 2025464 PMAQI
25th Jul 2025435 PMAQI
25th Jul 2025466 PMAQI
25th Jul 2025397 PMAQI
25th Jul 2025388 PMAQI
25th Jul 2025419 PMAQI
25th Jul 20254210 PMAQI
25th Jul 20254311 PMAQI
26th Jul 20254112 AMAQI
26th Jul 2025421 AMAQI
26th Jul 2025422 AMAQI
26th Jul 2025423 AMAQI
31°C26/37°C
26th Jul 2025434 AMAQI
26th Jul 2025445 AMAQI
26th Jul 2025446 AMAQI
26th Jul 2025447 AMAQI
26th Jul 2025448 AMAQI
26th Jul 2025469 AMAQI
26th Jul 20255010 AMAQI
26th Jul 20255111 AMAQI
26th Jul 20255412 PMAQI
26th Jul 2025531 PMAQI
26th Jul 2025542 PMAQI
26th Jul 2025523 PMAQI
26th Jul 2025424 PMAQI
26th Jul 2025385 PMAQI
26th Jul 2025366 PMAQI
26th Jul 2025377 PMAQI
26th Jul 2025378 PMAQI
26th Jul 2025409 PMAQI
26th Jul 20254210 PMAQI
26th Jul 20254311 PMAQI
27th Jul 20254212 AMAQI
27th Jul 2025411 AMAQI
27th Jul 2025442 AMAQI
27th Jul 2025443 AMAQI
31°C26/37°C
27th Jul 2025454 AMAQI
27th Jul 2025465 AMAQI
27th Jul 2025466 AMAQI
27th Jul 2025467 AMAQI
27th Jul 2025468 AMAQI
27th Jul 2025449 AMAQI
27th Jul 20254610 AMAQI
27th Jul 20255011 AMAQI
27th Jul 20255112 PMAQI
27th Jul 2025471 PMAQI
27th Jul 2025432 PMAQI
27th Jul 2025433 PMAQI
27th Jul 2025404 PMAQI
27th Jul 2025325 PMAQI
27th Jul 2025296 PMAQI
27th Jul 2025267 PMAQI
27th Jul 2025308 PMAQI
27th Jul 2025389 PMAQI
27th Jul 20253810 PMAQI
27th Jul 20253611 PMAQI
28th Jul 20253712 AMAQI
28th Jul 2025401 AMAQI
28th Jul 2025442 AMAQI
28th Jul 2025433 AMAQI
31°C26/37°C
28th Jul 2025444 AMAQI
28th Jul 2025455 AMAQI
28th Jul 2025456 AMAQI
28th Jul 2025457 AMAQI
28th Jul 2025458 AMAQI
28th Jul 2025369 AMAQI
28th Jul 20254210 AMAQI
28th Jul 20254511 AMAQI
28th Jul 20255012 PMAQI
28th Jul 2025501 PMAQI
28th Jul 2025472 PMAQI
28th Jul 2025483 PMAQI
28th Jul 2025544 PMAQI
28th Jul 2025535 PMAQI
28th Jul 2025516 PMAQI
28th Jul 2025457 PMAQI
28th Jul 2025398 PMAQI
28th Jul 2025429 PMAQI
28th Jul 20254310 PMAQI
28th Jul 20254411 PMAQI
29th Jul 20254212 AMAQI
29th Jul 2025411 AMAQI
29th Jul 2025412 AMAQI
29th Jul 2025403 AMAQI
31°C27/37°C
29th Jul 2025414 AMAQI
29th Jul 2025445 AMAQI
29th Jul 2025446 AMAQI
29th Jul 2025447 AMAQI
29th Jul 2025448 AMAQI
29th Jul 2025529 AMAQI
29th Jul 20255410 AMAQI
29th Jul 20255011 AMAQI
29th Jul 20255012 PMAQI
29th Jul 2025491 PMAQI
29th Jul 2025432 PMAQI
29th Jul 2025443 PMAQI
29th Jul 2025464 PMAQI
29th Jul 2025495 PMAQI
29th Jul 2025526 PMAQI
29th Jul 2025457 PMAQI
29th Jul 2025388 PMAQI
29th Jul 2025389 PMAQI
29th Jul 20253710 PMAQI
29th Jul 20253811 PMAQI
30th Jul 20253812 AMAQI
30th Jul 2025401 AMAQI
30th Jul 2025412 AMAQI
30th Jul 2025423 AMAQI
31°C26/37°C
30th Jul 2025424 AMAQI
30th Jul 2025435 AMAQI
30th Jul 2025446 AMAQI
30th Jul 2025447 AMAQI
30th Jul 2025448 AMAQI
30th Jul 2025219 AMAQI
30th Jul 20251410 AMAQI
30th Jul 20251811 AMAQI
30th Jul 20252612 PMAQI
30th Jul 2025321 PMAQI
30th Jul 2025322 PMAQI
30th Jul 2025323 PMAQI
30th Jul 2025364 PMAQI
30th Jul 2025365 PMAQI
30th Jul 2025336 PMAQI
30th Jul 2025327 PMAQI
30th Jul 2025368 PMAQI
30th Jul 2025389 PMAQI
30th Jul 20253810 PMAQI
30th Jul 20253911 PMAQI
31st Jul 20253812 AMAQI
31st Jul 2025391 AMAQI
31st Jul 2025422 AMAQI
31st Jul 2025403 AMAQI
30°C25/36°C
31st Jul 2025414 AMAQI
31st Jul 2025415 AMAQI
31st Jul 2025416 AMAQI
31st Jul 2025417 AMAQI
31st Jul 2025418 AMAQI
31st Jul 2025419 AMAQI
31st Jul 20254110 AMAQI
31st Jul 20255011 AMAQI
31st Jul 20254412 PMAQI
31st Jul 2025441 PMAQI
31st Jul 2025402 PMAQI
31st Jul 2025383 PMAQI
31st Jul 2025354 PMAQI
31st Jul 2025355 PMAQI
31st Jul 2025276 PMAQI
31st Jul 2025247 PMAQI
31st Jul 2025268 PMAQI
31st Jul 2025289 PMAQI
31st Jul 20253010 PMAQI
31st Jul 20252811 PMAQI
1st Aug 20253012 AMAQI
1st Aug 2025321 AMAQI
1st Aug 2025332 AMAQI
1st Aug 2025363 AMAQI
29°C24/35°C
1st Aug 2025354 AMAQI
1st Aug 2025345 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025347 AMAQI
1st Aug 2025368 AMAQI
1st Aug 2025369 AMAQI
1st Aug 20252810 AMAQI
1st Aug 20254111 AMAQI
1st Aug 20255112 PMAQI
1st Aug 2025481 PMAQI
1st Aug 2025382 PMAQI
1st Aug 2025283 PMAQI
1st Aug 2025454 PMAQI
1st Aug 2025365 PMAQI
1st Aug 2025416 PMAQI
1st Aug 2025287 PMAQI
1st Aug 2025298 PMAQI
1st Aug 2025329 PMAQI
1st Aug 20253210 PMAQI
1st Aug 20253011 PMAQI
2nd Aug 20253212 AMAQI
2nd Aug 2025301 AMAQI
2nd Aug 2025372 AMAQI
2nd Aug 2025373 AMAQI
27°C24/31°C
2nd Aug 2025374 AMAQI
2nd Aug 2025375 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025377 AMAQI
2nd Aug 2025398 AMAQI
2nd Aug 2025399 AMAQI
2nd Aug 20253510 AMAQI
2nd Aug 20254611 AMAQI
2nd Aug 20253312 PMAQI
2nd Aug 2025411 PMAQI
2nd Aug 2025552 PMAQI
2nd Aug 2025553 PMAQI
2nd Aug 2025504 PMAQI
2nd Aug 2025555 PMAQI
2nd Aug 2025566 PMAQI
2nd Aug 2025527 PMAQI
2nd Aug 2025428 PMAQI
2nd Aug 2025399 PMAQI
2nd Aug 20253410 PMAQI
2nd Aug 20254611 PMAQI
3rd Aug 20253412 AMAQI
3rd Aug 2025341 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025373 AMAQI
30°C24/37°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 20255610 AMAQI
3rd Aug 20255411 AMAQI
3rd Aug 20256112 PMAQI
3rd Aug 2025511 PMAQI
3rd Aug 2025582 PMAQI
3rd Aug 2025533 PMAQI
3rd Aug 2025504 PMAQI
3rd Aug 2025535 PMAQI
3rd Aug 2025566 PMAQI
3rd Aug 2025527 PMAQI
3rd Aug 2025528 PMAQI
3rd Aug 2025439 PMAQI
3rd Aug 20254010 PMAQI
3rd Aug 20254211 PMAQI
4th Aug 20253612 AMAQI
4th Aug 2025371 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025393 AMAQI
31°C27/37°C
4th Aug 2025424 AMAQI
4th Aug 2025435 AMAQI
4th Aug 2025426 AMAQI
4th Aug 2025437 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025589 AMAQI
4th Aug 20256010 AMAQI
4th Aug 20257611 AMAQI
4th Aug 20257712 PMAQI
4th Aug 2025861 PMAQI
4th Aug 2025902 PMAQI
4th Aug 2025823 PMAQI
4th Aug 2025904 PMAQI
4th Aug 2025905 PMAQI
4th Aug 2025826 PMAQI
4th Aug 2025777 PMAQI
4th Aug 2025628 PMAQI
4th Aug 2025609 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20254911 PMAQI
5th Aug 20255312 AMAQI
5th Aug 2025451 AMAQI
5th Aug 2025422 AMAQI
5th Aug 2025403 AMAQI
32°C27/38°C
5th Aug 2025504 AMAQI
5th Aug 2025535 AMAQI
5th Aug 2025536 AMAQI
5th Aug 2025527 AMAQI
5th Aug 2025538 AMAQI
5th Aug 2025599 AMAQI
5th Aug 20256410 AMAQI
5th Aug 20256011 AMAQI
5th Aug 20256312 PMAQI
5th Aug 2025561 PMAQI
5th Aug 2025542 PMAQI
5th Aug 2025573 PMAQI
5th Aug 2025604 PMAQI
5th Aug 2025525 PMAQI
5th Aug 2025526 PMAQI
5th Aug 2025467 PMAQI
5th Aug 2025508 PMAQI
5th Aug 2025469 PMAQI
5th Aug 20254810 PMAQI
5th Aug 20254311 PMAQI
6th Aug 20254412 AMAQI
6th Aug 2025511 AMAQI
6th Aug 2025512 AMAQI
6th Aug 2025503 AMAQI
33°C27/39°C
6th Aug 2025524 AMAQI
6th Aug 2025535 AMAQI
6th Aug 2025526 AMAQI
6th Aug 2025527 AMAQI
6th Aug 2025528 AMAQI
6th Aug 2025379 AMAQI
6th Aug 20254010 AMAQI
6th Aug 20254011 AMAQI
6th Aug 20255012 PMAQI
6th Aug 2025501 PMAQI
6th Aug 2025532 PMAQI
6th Aug 2025523 PMAQI
6th Aug 2025484 PMAQI
6th Aug 2025545 PMAQI
6th Aug 2025486 PMAQI
6th Aug 2025587 PMAQI
6th Aug 2025558 PMAQI
6th Aug 2025489 PMAQI
6th Aug 20255010 PMAQI
6th Aug 20254811 PMAQI
7th Aug 20254812 AMAQI
7th Aug 2025511 AMAQI
7th Aug 2025522 AMAQI
7th Aug 2025523 AMAQI
--°C/°C
7th Aug 2025514 AMAQI
4 AM7th Aug 2025515 AMAQI
7th Aug 2025516 AMAQI
7th Aug 2025467 AMAQI
7th Aug 2025508 AMAQI
11 AM
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 - 6 PM
47AQI
10 hours / Day
300 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 6 PM (Avg. 47).
Night time
Avg. Highest Time
12 AM - 3 AM
47AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM - 8 PM
43AQI
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. 47), while the lowest AQI was between 7 PM to 8 PM (Avg. 43).
2025 Days Vs Air Quality
Hidaka, Saitama, Japan
2025
84%
183
16%
34
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Good
183 DaysModerate
34 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2025, 84% of 218 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
Hidaka, 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
29AQI
29AQI
2nd January 2025
30AQI
30AQI
3rd January 2025
25AQI
25AQI
4th January 2025
26AQI
26AQI
5th January 2025
31AQI
31AQI
6th January 2025
53AQI
53AQI
7th January 2025
27AQI
27AQI
8th January 2025
35AQI
35AQI
9th January 2025
28AQI
28AQI
10th January 2025
29AQI
29AQI
11th January 2025
25AQI
25AQI
12th January 2025
35AQI
35AQI
13th January 2025
29AQI
29AQI
14th January 2025
32AQI
32AQI
15th January 2025
33AQI
33AQI
16th January 2025
30AQI
30AQI
17th January 2025
30AQI
30AQI
18th January 2025
31AQI
31AQI
19th January 2025
44AQI
44AQI
20th January 2025
37AQI
37AQI
21st January 2025
44AQI
44AQI
22nd January 2025
37AQI
37AQI
23rd January 2025
46AQI
46AQI
24th January 2025
50AQI
50AQI
25th January 2025
38AQI
38AQI
26th January 2025
38AQI
38AQI
27th January 2025
32AQI
32AQI
28th January 2025
41AQI
41AQI
29th January 2025
31AQI
31AQI
30th January 2025
34AQI
34AQI
31st January 2025
32AQI
32AQI
1st February 2025
46AQI
46AQI
2nd February 2025
51AQI
51AQI
3rd February 2025
46AQI
46AQI
4th February 2025
38AQI
38AQI
5th February 2025
35AQI
35AQI
6th February 2025
30AQI
30AQI
7th February 2025
30AQI
30AQI
8th February 2025
30AQI
30AQI
9th February 2025
29AQI
29AQI
10th February 2025
28AQI
28AQI
11th February 2025
29AQI
29AQI
12th February 2025
40AQI
40AQI
13th February 2025
33AQI
33AQI
14th February 2025
34AQI
34AQI
15th February 2025
29AQI
29AQI
16th February 2025
41AQI
41AQI
17th February 2025
40AQI
40AQI
18th February 2025
34AQI
34AQI
19th February 2025
33AQI
33AQI
20th February 2025
30AQI
30AQI
21st February 2025
32AQI
32AQI
22nd February 2025
30AQI
30AQI
23rd February 2025
33AQI
33AQI
24th February 2025
32AQI
32AQI
25th February 2025
34AQI
34AQI
26th February 2025
37AQI
37AQI
27th February 2025
43AQI
43AQI
28th February 2025
50AQI
50AQI
1st March 2025
54AQI
54AQI
2nd March 2025
60AQI
60AQI
3rd March 2025
40AQI
40AQI
4th March 2025
39AQI
39AQI
5th March 2025
29AQI
29AQI
6th March 2025
35AQI
35AQI
7th March 2025
32AQI
32AQI
8th March 2025
41AQI
41AQI
9th March 2025
40AQI
40AQI
10th March 2025
39AQI
39AQI
11th March 2025
42AQI
42AQI
12th March 2025
48AQI
48AQI
13th March 2025
50AQI
50AQI
14th March 2025
45AQI
45AQI
15th March 2025
42AQI
42AQI
16th March 2025
26AQI
26AQI
17th March 2025
23AQI
23AQI
18th March 2025
26AQI
26AQI
19th March 2025
18AQI
18AQI
20th March 2025
25AQI
25AQI
21st March 2025
38AQI
38AQI
22nd March 2025
48AQI
48AQI
23rd March 2025
57AQI
57AQI
24th March 2025
60AQI
60AQI
25th March 2025
73AQI
73AQI
26th March 2025
81AQI
81AQI
27th March 2025
77AQI
77AQI
28th March 2025
61AQI
61AQI
29th March 2025
39AQI
39AQI
30th March 2025
40AQI
40AQI
31st March 2025
33AQI
33AQI
1st April 2025
32AQI
32AQI
2nd April 2025
21AQI
21AQI
3rd April 2025
23AQI
23AQI
4th April 2025
20AQI
20AQI
5th April 2025
29AQI
29AQI
6th April 2025
23AQI
23AQI
7th April 2025
31AQI
31AQI
8th April 2025
39AQI
39AQI
9th April 2025
30AQI
30AQI
10th April 2025
46AQI
46AQI
11th April 2025
43AQI
43AQI
12th April 2025
44AQI
44AQI
13th April 2025
35AQI
35AQI
14th April 2025
36AQI
36AQI
15th April 2025
29AQI
29AQI
16th April 2025
29AQI
29AQI
17th April 2025
44AQI
44AQI
18th April 2025
57AQI
57AQI
19th April 2025
67AQI
67AQI
20th April 2025
66AQI
66AQI
21st April 2025
46AQI
46AQI
22nd April 2025
54AQI
54AQI
23rd April 2025
35AQI
35AQI
24th April 2025
39AQI
39AQI
25th April 2025
45AQI
45AQI
26th April 2025
49AQI
49AQI
27th April 2025
52AQI
52AQI
28th April 2025
56AQI
56AQI
29th April 2025
39AQI
39AQI
30th April 2025
51AQI
51AQI
1st May 2025
44AQI
44AQI
2nd May 2025
35AQI
35AQI
3rd May 2025
32AQI
32AQI
4th May 2025
40AQI
40AQI
5th May 2025
35AQI
35AQI
6th May 2025
34AQI
34AQI
7th May 2025
26AQI
26AQI
8th May 2025
34AQI
34AQI
9th May 2025
33AQI
33AQI
10th May 2025
29AQI
29AQI
11th May 2025
23AQI
23AQI
12th May 2025
24AQI
24AQI
13th May 2025
35AQI
35AQI
14th May 2025
40AQI
40AQI
15th May 2025
41AQI
41AQI
16th May 2025
48AQI
48AQI
17th May 2025
31AQI
31AQI
18th May 2025
48AQI
48AQI
19th May 2025
47AQI
47AQI
20th May 2025
62AQI
62AQI
21st May 2025
68AQI
68AQI
22nd May 2025
56AQI
56AQI
23rd May 2025
52AQI
52AQI
24th May 2025
50AQI
50AQI
25th May 2025
37AQI
37AQI
26th May 2025
33AQI
33AQI
27th May 2025
33AQI
33AQI
28th May 2025
30AQI
30AQI
29th May 2025
38AQI
38AQI
30th May 2025
30AQI
30AQI
31st May 2025
23AQI
23AQI
1st June 2025
23AQI
23AQI
2nd June 2025
33AQI
33AQI
3rd June 2025
33AQI
33AQI
4th June 2025
30AQI
30AQI
5th June 2025
41AQI
41AQI
6th June 2025
46AQI
46AQI
7th June 2025
52AQI
52AQI
8th June 2025
60AQI
60AQI
9th June 2025
54AQI
54AQI
10th June 2025
39AQI
39AQI
11th June 2025
29AQI
29AQI
12th June 2025
40AQI
40AQI
13th June 2025
48AQI
48AQI
14th June 2025
39AQI
39AQI
15th June 2025
32AQI
32AQI
16th June 2025
36AQI
36AQI
17th June 2025
49AQI
49AQI
18th June 2025
46AQI
46AQI
19th June 2025
48AQI
48AQI
20th June 2025
48AQI
48AQI
21st June 2025
41AQI
41AQI
22nd June 2025
31AQI
31AQI
23rd June 2025
33AQI
33AQI
24th June 2025
30AQI
30AQI
25th June 2025
26AQI
26AQI
26th June 2025
25AQI
25AQI
27th June 2025
29AQI
29AQI
28th June 2025
31AQI
31AQI
29th June 2025
36AQI
36AQI
30th June 2025
40AQI
40AQI
1st July 2025
43AQI
43AQI
2nd July 2025
42AQI
42AQI
3rd July 2025
46AQI
46AQI
4th July 2025
45AQI
45AQI
5th July 2025
47AQI
47AQI
6th July 2025
52AQI
52AQI
7th July 2025
69AQI
69AQI
8th July 2025
76AQI
76AQI
9th July 2025
77AQI
77AQI
10th July 2025
65AQI
65AQI
11th July 2025
54AQI
54AQI
12th July 2025
56AQI
56AQI
13th July 2025
55AQI
55AQI
14th July 2025
46AQI
46AQI
15th July 2025
43AQI
43AQI
16th July 2025
45AQI
45AQI
17th July 2025
42AQI
42AQI
18th July 2025
40AQI
40AQI
19th July 2025
38AQI
38AQI
20th July 2025
37AQI
37AQI
21st July 2025
38AQI
38AQI
22nd July 2025
38AQI
38AQI
23rd July 2025
42AQI
42AQI
24th July 2025
42AQI
42AQI
25th July 2025
43AQI
43AQI
26th July 2025
43AQI
43AQI
27th July 2025
41AQI
41AQI
28th July 2025
43AQI
43AQI
29th July 2025
44AQI
44AQI
30th July 2025
36AQI
36AQI
31st July 2025
37AQI
37AQI
1st August 2025
35AQI
35AQI
2nd August 2025
42AQI
42AQI
3rd August 2025
46AQI
46AQI
4th August 2025
60AQI
60AQI
5th August 2025
52AQI
52AQI
34AQI
36AQI
44AQI
40AQI
38AQI
38AQI
47AQI
47AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202540AQI
30
1
27
1
23
8
23
7
27
4
27
3
23
8
3
2
183
34
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
January34AQI
202439AQI
16
4
25
6
13
17
26
5
20
10
17
14
29
2
27
3
30
1
27
3
31
265
61
Highest AQI recorded in
April53AQI
Lowest AQI recorded in
January30AQI
202340AQI
29
2
22
6
24
7
19
11
23
8
19
11
18
13
26
28
2
30
1
21
8
25
6
284
75
Highest AQI recorded in
April50AQI
Lowest AQI recorded in
August30AQI
202239AQI
29
1
19
2
21
10
19
11
24
7
16
14
17
7
1
27
1
28
3
25
5
31
257
61
Highest AQI recorded in
June48AQI
Lowest AQI recorded in
December28AQI
202137AQI
27
4
21
7
21
9
1
24
6
23
8
25
5
29
2
26
5
28
2
29
2
28
2
30
1
311
53
1
Highest AQI recorded in
March45AQI
Lowest AQI recorded in
December33AQI
202037AQI
10
3
17
4
17
1
22
8
29
2
13
18
19
28
3
21
9
28
3
204
51
Highest AQI recorded in
August53AQI
Lowest AQI recorded in
July25AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
40AQILeast Polluted Year Recorded
2020(Avg.)
37AQIHidaka's annual 2025 AQI (40) shows an average percentage change of 3.8% (worsened AQI) compared to previous years: 2020 (37), 2021 (37), 2022 (39), 2023 (40), 2024 (39).
