Hikawacha, Kawaguchi, 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
Hikawacha, Kawaguchi, Saitama, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
72AQILowest AQI recorded on
8th Aug 2021
11AQISame Day Analysis (5th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 52 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Hikawacha, Kawaguchi, Saitama, Japan
AQI
Day
Night
.
4 AM6th Aug 2025
6 PM
3 AM7th Aug 2025
Day time
Avg. Highest Time
5PM6th Aug
59AQI
Avg. Lowest Time
10AM6th Aug
39AQI
Night time
Avg. Highest Time
7PM6th Aug
58AQI
Avg. Lowest Time
12AM7th Aug
46AQI
In the last 24 hours,
Hikawacha's AQI reached its highest point of 59 at 5 PM during the Day, while the lowest point, 39, was recorded at 10 AM during the Day between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Hikawacha, Kawaguchi, 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 2025554 AMAQI
8th Jul 2025625 AMAQI
8th Jul 2025626 AMAQI
8th Jul 2025617 AMAQI
8th Jul 2025628 AMAQI
8th Jul 20251109 AMAQI
8th Jul 202511710 AMAQI
8th Jul 202511311 AMAQI
8th Jul 202511112 PMAQI
8th Jul 2025911 PMAQI
8th Jul 2025762 PMAQI
8th Jul 2025773 PMAQI
8th Jul 2025984 PMAQI
8th Jul 2025895 PMAQI
8th Jul 2025886 PMAQI
8th Jul 2025877 PMAQI
8th Jul 2025828 PMAQI
8th Jul 2025779 PMAQI
8th Jul 20257810 PMAQI
8th Jul 20257911 PMAQI
9th Jul 20258012 AMAQI
9th Jul 2025731 AMAQI
9th Jul 2025632 AMAQI
9th Jul 2025643 AMAQI
31°C28/35°C
9th Jul 2025654 AMAQI
9th Jul 2025715 AMAQI
9th Jul 2025716 AMAQI
9th Jul 2025717 AMAQI
9th Jul 2025718 AMAQI
9th Jul 20251099 AMAQI
9th Jul 202512610 AMAQI
9th Jul 202513811 AMAQI
9th Jul 202513012 PMAQI
9th Jul 20251071 PMAQI
9th Jul 2025982 PMAQI
9th Jul 2025973 PMAQI
9th Jul 2025974 PMAQI
9th Jul 2025965 PMAQI
9th Jul 2025886 PMAQI
9th Jul 2025787 PMAQI
9th Jul 2025688 PMAQI
9th Jul 2025689 PMAQI
9th Jul 20256710 PMAQI
9th Jul 20256711 PMAQI
10th Jul 20256712 AMAQI
10th Jul 2025691 AMAQI
10th Jul 2025732 AMAQI
10th Jul 2025723 AMAQI
31°C28/35°C
10th Jul 2025754 AMAQI
10th Jul 2025785 AMAQI
10th Jul 2025786 AMAQI
10th Jul 2025787 AMAQI
10th Jul 2025788 AMAQI
10th Jul 2025489 AMAQI
10th Jul 20255510 AMAQI
10th Jul 20257011 AMAQI
10th Jul 20256912 PMAQI
10th Jul 2025631 PMAQI
10th Jul 2025582 PMAQI
10th Jul 2025543 PMAQI
10th Jul 2025544 PMAQI
10th Jul 2025545 PMAQI
10th Jul 2025536 PMAQI
10th Jul 2025547 PMAQI
10th Jul 2025588 PMAQI
10th Jul 2025649 PMAQI
10th Jul 20256410 PMAQI
10th Jul 20256411 PMAQI
11th Jul 20256412 AMAQI
11th Jul 2025671 AMAQI
11th Jul 2025702 AMAQI
11th Jul 2025703 AMAQI
29°C24/35°C
11th Jul 2025704 AMAQI
11th Jul 2025695 AMAQI
11th Jul 2025686 AMAQI
11th Jul 2025687 AMAQI
11th Jul 2025698 AMAQI
11th Jul 2025319 AMAQI
11th Jul 20252110 AMAQI
11th Jul 20252311 AMAQI
11th Jul 20252612 PMAQI
11th Jul 2025441 PMAQI
11th Jul 2025482 PMAQI
11th Jul 2025503 PMAQI
11th Jul 2025484 PMAQI
11th Jul 2025465 PMAQI
11th Jul 2025466 PMAQI
11th Jul 2025457 PMAQI
11th Jul 2025508 PMAQI
11th Jul 2025629 PMAQI
11th Jul 20256110 PMAQI
11th Jul 20256211 PMAQI
12th Jul 20256112 AMAQI
12th Jul 2025631 AMAQI
12th Jul 2025662 AMAQI
12th Jul 2025663 AMAQI
24°C23/27°C
12th Jul 2025654 AMAQI
12th Jul 2025635 AMAQI
12th Jul 2025646 AMAQI
12th Jul 2025637 AMAQI
12th Jul 2025638 AMAQI
12th Jul 2025429 AMAQI
12th Jul 20253810 AMAQI
12th Jul 20253911 AMAQI
12th Jul 20254412 PMAQI
12th Jul 2025541 PMAQI
12th Jul 2025542 PMAQI
12th Jul 2025533 PMAQI
12th Jul 2025524 PMAQI
12th Jul 2025515 PMAQI
12th Jul 2025516 PMAQI
12th Jul 2025507 PMAQI
12th Jul 2025538 PMAQI
12th Jul 2025589 PMAQI
12th Jul 20255810 PMAQI
12th Jul 20255911 PMAQI
13th Jul 20255812 AMAQI
13th Jul 2025601 AMAQI
13th Jul 2025622 AMAQI
13th Jul 2025633 AMAQI
25°C22/29°C
13th Jul 2025624 AMAQI
13th Jul 2025615 AMAQI
13th Jul 2025616 AMAQI
13th Jul 2025617 AMAQI
13th Jul 2025618 AMAQI
13th Jul 2025449 AMAQI
13th Jul 20253910 AMAQI
13th Jul 20254811 AMAQI
13th Jul 20255212 PMAQI
13th Jul 2025531 PMAQI
13th Jul 2025542 PMAQI
13th Jul 2025543 PMAQI
13th Jul 2025544 PMAQI
13th Jul 2025545 PMAQI
13th Jul 2025546 PMAQI
13th Jul 2025527 PMAQI
13th Jul 2025528 PMAQI
13th Jul 2025569 PMAQI
13th Jul 20255610 PMAQI
13th Jul 20255611 PMAQI
14th Jul 20255612 AMAQI
14th Jul 2025571 AMAQI
14th Jul 2025592 AMAQI
14th Jul 2025603 AMAQI
27°C24/32°C
14th Jul 2025594 AMAQI
14th Jul 2025585 AMAQI
14th Jul 2025586 AMAQI
14th Jul 2025587 AMAQI
14th Jul 2025588 AMAQI
14th Jul 2025369 AMAQI
14th Jul 20252510 AMAQI
14th Jul 20252311 AMAQI
14th Jul 20252912 PMAQI
14th Jul 2025381 PMAQI
14th Jul 2025362 PMAQI
14th Jul 2025373 PMAQI
14th Jul 2025384 PMAQI
14th Jul 2025385 PMAQI
14th Jul 2025386 PMAQI
14th Jul 2025387 PMAQI
14th Jul 2025408 PMAQI
14th Jul 2025549 PMAQI
14th Jul 20255410 PMAQI
14th Jul 20255411 PMAQI
15th Jul 20255412 AMAQI
15th Jul 2025551 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025573 AMAQI
27°C25/30°C
15th Jul 2025564 AMAQI
15th Jul 2025565 AMAQI
15th Jul 2025566 AMAQI
15th Jul 2025557 AMAQI
15th Jul 2025558 AMAQI
15th Jul 2025429 AMAQI
15th Jul 20253410 AMAQI
15th Jul 20252411 AMAQI
15th Jul 20252712 PMAQI
15th Jul 2025451 PMAQI
15th Jul 2025422 PMAQI
15th Jul 2025473 PMAQI
15th Jul 2025464 PMAQI
15th Jul 2025345 PMAQI
15th Jul 2025406 PMAQI
15th Jul 2025407 PMAQI
15th Jul 2025408 PMAQI
15th Jul 2025529 PMAQI
15th Jul 20255210 PMAQI
15th Jul 20255211 PMAQI
16th Jul 20255212 AMAQI
16th Jul 2025541 AMAQI
16th Jul 2025552 AMAQI
16th Jul 2025553 AMAQI
28°C26/30°C
16th Jul 2025544 AMAQI
16th Jul 2025545 AMAQI
16th Jul 2025546 AMAQI
16th Jul 2025547 AMAQI
16th Jul 2025548 AMAQI
16th Jul 2025549 AMAQI
16th Jul 20254710 AMAQI
16th Jul 20253411 AMAQI
16th Jul 20252912 PMAQI
16th Jul 2025301 PMAQI
16th Jul 2025282 PMAQI
16th Jul 2025243 PMAQI
16th Jul 2025254 PMAQI
16th Jul 2025285 PMAQI
16th Jul 2025256 PMAQI
16th Jul 2025207 PMAQI
16th Jul 2025298 PMAQI
16th Jul 2025449 PMAQI
16th Jul 20254210 PMAQI
16th Jul 20254311 PMAQI
17th Jul 20254412 AMAQI
17th Jul 2025491 AMAQI
17th Jul 2025532 AMAQI
17th Jul 2025533 AMAQI
28°C26/30°C
17th Jul 2025534 AMAQI
17th Jul 2025525 AMAQI
17th Jul 2025526 AMAQI
17th Jul 2025527 AMAQI
17th Jul 2025518 AMAQI
17th Jul 2025299 AMAQI
17th Jul 20252710 AMAQI
17th Jul 20253811 AMAQI
17th Jul 20254012 PMAQI
17th Jul 2025401 PMAQI
17th Jul 2025362 PMAQI
17th Jul 2025373 PMAQI
17th Jul 2025364 PMAQI
17th Jul 2025345 PMAQI
17th Jul 2025376 PMAQI
17th Jul 2025397 PMAQI
17th Jul 2025428 PMAQI
17th Jul 2025449 PMAQI
17th Jul 20254410 PMAQI
17th Jul 20254411 PMAQI
18th Jul 20254412 AMAQI
18th Jul 2025481 AMAQI
18th Jul 2025492 AMAQI
18th Jul 2025503 AMAQI
29°C27/32°C
18th Jul 2025484 AMAQI
18th Jul 2025465 AMAQI
18th Jul 2025456 AMAQI
18th Jul 2025467 AMAQI
18th Jul 2025458 AMAQI
18th Jul 2025319 AMAQI
18th Jul 20252910 AMAQI
18th Jul 20253311 AMAQI
18th Jul 20253012 PMAQI
18th Jul 2025271 PMAQI
18th Jul 2025252 PMAQI
18th Jul 2025283 PMAQI
18th Jul 2025314 PMAQI
18th Jul 2025315 PMAQI
18th Jul 2025316 PMAQI
18th Jul 2025287 PMAQI
18th Jul 2025308 PMAQI
18th Jul 2025389 PMAQI
18th Jul 20253810 PMAQI
18th Jul 20253811 PMAQI
19th Jul 20253912 AMAQI
19th Jul 2025431 AMAQI
19th Jul 2025472 AMAQI
19th Jul 2025473 AMAQI
29°C26/32°C
19th Jul 2025464 AMAQI
19th Jul 2025435 AMAQI
19th Jul 2025436 AMAQI
19th Jul 2025447 AMAQI
19th Jul 2025438 AMAQI
19th Jul 2025249 AMAQI
19th Jul 20251910 AMAQI
19th Jul 20253011 AMAQI
19th Jul 20252912 PMAQI
19th Jul 2025261 PMAQI
19th Jul 2025242 PMAQI
19th Jul 2025263 PMAQI
19th Jul 2025254 PMAQI
19th Jul 2025235 PMAQI
19th Jul 2025246 PMAQI
19th Jul 2025247 PMAQI
19th Jul 2025278 PMAQI
19th Jul 2025359 PMAQI
19th Jul 20253610 PMAQI
19th Jul 20253611 PMAQI
20th Jul 20253512 AMAQI
20th Jul 2025381 AMAQI
20th Jul 2025442 AMAQI
20th Jul 2025443 AMAQI
29°C26/33°C
20th Jul 2025444 AMAQI
20th Jul 2025415 AMAQI
20th Jul 2025416 AMAQI
20th Jul 2025417 AMAQI
20th Jul 2025418 AMAQI
20th Jul 2025309 AMAQI
20th Jul 20252610 AMAQI
20th Jul 20253211 AMAQI
20th Jul 20252912 PMAQI
20th Jul 2025271 PMAQI
20th Jul 2025292 PMAQI
20th Jul 2025323 PMAQI
20th Jul 2025284 PMAQI
20th Jul 2025285 PMAQI
20th Jul 2025296 PMAQI
20th Jul 2025327 PMAQI
20th Jul 2025318 PMAQI
20th Jul 2025349 PMAQI
20th Jul 20253510 PMAQI
20th Jul 20253611 PMAQI
21st Jul 20253512 AMAQI
21st Jul 2025371 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025403 AMAQI
30°C27/34°C
21st Jul 2025404 AMAQI
21st Jul 2025385 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025387 AMAQI
21st Jul 2025388 AMAQI
21st Jul 2025269 AMAQI
21st Jul 20253410 AMAQI
21st Jul 20254311 AMAQI
21st Jul 20254812 PMAQI
21st Jul 2025461 PMAQI
21st Jul 2025432 PMAQI
21st Jul 2025443 PMAQI
21st Jul 2025414 PMAQI
21st Jul 2025415 PMAQI
21st Jul 2025406 PMAQI
21st Jul 2025347 PMAQI
21st Jul 2025318 PMAQI
21st Jul 2025349 PMAQI
21st Jul 20253410 PMAQI
21st Jul 20253311 PMAQI
22nd Jul 20253212 AMAQI
22nd Jul 2025361 AMAQI
22nd Jul 2025382 AMAQI
22nd Jul 2025383 AMAQI
31°C28/35°C
22nd Jul 2025384 AMAQI
22nd Jul 2025385 AMAQI
22nd Jul 2025386 AMAQI
22nd Jul 2025387 AMAQI
22nd Jul 2025388 AMAQI
22nd Jul 2025309 AMAQI
22nd Jul 20254010 AMAQI
22nd Jul 20255111 AMAQI
22nd Jul 20255412 PMAQI
22nd Jul 2025541 PMAQI
22nd Jul 2025562 PMAQI
22nd Jul 2025563 PMAQI
22nd Jul 2025544 PMAQI
22nd Jul 2025465 PMAQI
22nd Jul 2025526 PMAQI
22nd Jul 2025527 PMAQI
22nd Jul 2025488 PMAQI
22nd Jul 2025449 PMAQI
22nd Jul 20254310 PMAQI
22nd Jul 20254311 PMAQI
23rd Jul 20254512 AMAQI
23rd Jul 2025421 AMAQI
23rd Jul 2025382 AMAQI
23rd Jul 2025383 AMAQI
31°C28/35°C
23rd Jul 2025384 AMAQI
23rd Jul 2025405 AMAQI
23rd Jul 2025406 AMAQI
23rd Jul 2025417 AMAQI
23rd Jul 2025398 AMAQI
23rd Jul 2025389 AMAQI
23rd Jul 20255310 AMAQI
23rd Jul 20255511 AMAQI
23rd Jul 20255512 PMAQI
23rd Jul 2025571 PMAQI
23rd Jul 2025572 PMAQI
23rd Jul 2025573 PMAQI
23rd Jul 2025564 PMAQI
23rd Jul 2025565 PMAQI
23rd Jul 2025526 PMAQI
23rd Jul 2025427 PMAQI
23rd Jul 2025388 PMAQI
23rd Jul 2025469 PMAQI
23rd Jul 20254510 PMAQI
23rd Jul 20254611 PMAQI
24th Jul 20254612 AMAQI
24th Jul 2025461 AMAQI
24th Jul 2025392 AMAQI
24th Jul 2025403 AMAQI
31°C28/35°C
24th Jul 2025404 AMAQI
24th Jul 2025425 AMAQI
24th Jul 2025416 AMAQI
24th Jul 2025417 AMAQI
24th Jul 2025428 AMAQI
24th Jul 2025509 AMAQI
24th Jul 20255610 AMAQI
24th Jul 20255611 AMAQI
24th Jul 20256012 PMAQI
24th Jul 2025581 PMAQI
24th Jul 2025632 PMAQI
24th Jul 2025673 PMAQI
24th Jul 2025604 PMAQI
24th Jul 2025585 PMAQI
24th Jul 2025506 PMAQI
24th Jul 2025357 PMAQI
24th Jul 2025328 PMAQI
24th Jul 2025369 PMAQI
24th Jul 20253810 PMAQI
24th Jul 20253811 PMAQI
25th Jul 20253812 AMAQI
25th Jul 2025381 AMAQI
25th Jul 2025402 AMAQI
25th Jul 2025403 AMAQI
32°C28/36°C
25th Jul 2025424 AMAQI
25th Jul 2025475 AMAQI
25th Jul 2025476 AMAQI
25th Jul 2025467 AMAQI
25th Jul 2025468 AMAQI
25th Jul 2025489 AMAQI
25th Jul 20255310 AMAQI
25th Jul 20255811 AMAQI
25th Jul 20255812 PMAQI
25th Jul 2025641 PMAQI
25th Jul 2025582 PMAQI
25th Jul 2025463 PMAQI
25th Jul 2025434 PMAQI
25th Jul 2025405 PMAQI
25th Jul 2025406 PMAQI
25th Jul 2025267 PMAQI
25th Jul 2025288 PMAQI
25th Jul 2025349 PMAQI
25th Jul 20253510 PMAQI
25th Jul 20253411 PMAQI
26th Jul 20253412 AMAQI
26th Jul 2025361 AMAQI
26th Jul 2025422 AMAQI
26th Jul 2025423 AMAQI
32°C29/36°C
26th Jul 2025424 AMAQI
26th Jul 2025465 AMAQI
26th Jul 2025456 AMAQI
26th Jul 2025457 AMAQI
26th Jul 2025458 AMAQI
26th Jul 2025419 AMAQI
26th Jul 20255010 AMAQI
26th Jul 20256011 AMAQI
26th Jul 20256212 PMAQI
26th Jul 2025591 PMAQI
26th Jul 2025512 PMAQI
26th Jul 2025503 PMAQI
26th Jul 2025464 PMAQI
26th Jul 2025345 PMAQI
26th Jul 2025336 PMAQI
26th Jul 2025307 PMAQI
26th Jul 2025288 PMAQI
26th Jul 2025349 PMAQI
26th Jul 20253410 PMAQI
26th Jul 20253511 PMAQI
27th Jul 20253312 AMAQI
27th Jul 2025361 AMAQI
27th Jul 2025402 AMAQI
27th Jul 2025403 AMAQI
32°C29/36°C
27th Jul 2025414 AMAQI
27th Jul 2025455 AMAQI
27th Jul 2025446 AMAQI
27th Jul 2025447 AMAQI
27th Jul 2025448 AMAQI
27th Jul 2025369 AMAQI
27th Jul 20253610 AMAQI
27th Jul 20255411 AMAQI
27th Jul 20255512 PMAQI
27th Jul 2025511 PMAQI
27th Jul 2025472 PMAQI
27th Jul 2025413 PMAQI
27th Jul 2025344 PMAQI
27th Jul 2025345 PMAQI
27th Jul 2025276 PMAQI
27th Jul 2025217 PMAQI
27th Jul 2025238 PMAQI
27th Jul 2025319 PMAQI
27th Jul 20253210 PMAQI
27th Jul 20253311 PMAQI
28th Jul 20253412 AMAQI
28th Jul 2025361 AMAQI
28th Jul 2025402 AMAQI
28th Jul 2025403 AMAQI
31°C29/36°C
28th Jul 2025404 AMAQI
28th Jul 2025415 AMAQI
28th Jul 2025426 AMAQI
28th Jul 2025427 AMAQI
28th Jul 2025428 AMAQI
28th Jul 2025289 AMAQI
28th Jul 20253610 AMAQI
28th Jul 20255211 AMAQI
28th Jul 20255212 PMAQI
28th Jul 2025551 PMAQI
28th Jul 2025562 PMAQI
28th Jul 2025593 PMAQI
28th Jul 2025624 PMAQI
28th Jul 2025605 PMAQI
28th Jul 2025586 PMAQI
28th Jul 2025527 PMAQI
28th Jul 2025418 PMAQI
28th Jul 2025349 PMAQI
28th Jul 20253310 PMAQI
28th Jul 20253411 PMAQI
29th Jul 20253412 AMAQI
29th Jul 2025351 AMAQI
29th Jul 2025392 AMAQI
29th Jul 2025383 AMAQI
32°C28/37°C
29th Jul 2025404 AMAQI
29th Jul 2025415 AMAQI
29th Jul 2025426 AMAQI
29th Jul 2025427 AMAQI
29th Jul 2025418 AMAQI
29th Jul 2025319 AMAQI
29th Jul 20254010 AMAQI
29th Jul 20254511 AMAQI
29th Jul 20254912 PMAQI
29th Jul 2025521 PMAQI
29th Jul 2025542 PMAQI
29th Jul 2025523 PMAQI
29th Jul 2025524 PMAQI
29th Jul 2025475 PMAQI
29th Jul 2025386 PMAQI
29th Jul 2025337 PMAQI
29th Jul 2025298 PMAQI
29th Jul 2025339 PMAQI
29th Jul 20253210 PMAQI
29th Jul 20253011 PMAQI
30th Jul 20253012 AMAQI
30th Jul 2025351 AMAQI
30th Jul 2025402 AMAQI
30th Jul 2025393 AMAQI
32°C28/38°C
30th Jul 2025394 AMAQI
30th Jul 2025415 AMAQI
30th Jul 2025406 AMAQI
30th Jul 2025417 AMAQI
30th Jul 2025418 AMAQI
30th Jul 2025239 AMAQI
30th Jul 20252110 AMAQI
30th Jul 20252711 AMAQI
30th Jul 20253412 PMAQI
30th Jul 2025361 PMAQI
30th Jul 2025402 PMAQI
30th Jul 2025353 PMAQI
30th Jul 2025284 PMAQI
30th Jul 2025285 PMAQI
30th Jul 2025306 PMAQI
30th Jul 2025307 PMAQI
30th Jul 2025328 PMAQI
30th Jul 2025369 PMAQI
30th Jul 20253710 PMAQI
30th Jul 20253911 PMAQI
31st Jul 20253612 AMAQI
31st Jul 2025361 AMAQI
31st Jul 2025372 AMAQI
31st Jul 2025383 AMAQI
31°C27/36°C
31st Jul 2025394 AMAQI
31st Jul 2025395 AMAQI
31st Jul 2025396 AMAQI
31st Jul 2025397 AMAQI
31st Jul 2025398 AMAQI
31st Jul 2025399 AMAQI
31st Jul 20253910 AMAQI
31st Jul 20254711 AMAQI
31st Jul 20254412 PMAQI
31st Jul 2025441 PMAQI
31st Jul 2025402 PMAQI
31st Jul 2025343 PMAQI
31st Jul 2025324 PMAQI
31st Jul 2025325 PMAQI
31st Jul 2025286 PMAQI
31st Jul 2025227 PMAQI
31st Jul 2025268 PMAQI
31st Jul 2025299 PMAQI
31st Jul 20253010 PMAQI
31st Jul 20252711 PMAQI
1st Aug 20252712 AMAQI
1st Aug 2025321 AMAQI
1st Aug 2025342 AMAQI
1st Aug 2025343 AMAQI
29°C26/34°C
1st Aug 2025364 AMAQI
1st Aug 2025345 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025347 AMAQI
1st Aug 2025368 AMAQI
1st Aug 2025379 AMAQI
1st Aug 20252810 AMAQI
1st Aug 20254011 AMAQI
1st Aug 20254112 PMAQI
1st Aug 2025401 PMAQI
1st Aug 2025342 PMAQI
1st Aug 2025333 PMAQI
1st Aug 2025394 PMAQI
1st Aug 2025315 PMAQI
1st Aug 2025346 PMAQI
1st Aug 2025237 PMAQI
1st Aug 2025298 PMAQI
1st Aug 2025279 PMAQI
1st Aug 20252910 PMAQI
1st Aug 20252811 PMAQI
2nd Aug 20252912 AMAQI
2nd Aug 2025301 AMAQI
2nd Aug 2025372 AMAQI
2nd Aug 2025373 AMAQI
29°C26/32°C
2nd Aug 2025384 AMAQI
2nd Aug 2025375 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025377 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025329 AMAQI
2nd Aug 20253410 AMAQI
2nd Aug 20254211 AMAQI
2nd Aug 20253812 PMAQI
2nd Aug 2025451 PMAQI
2nd Aug 2025552 PMAQI
2nd Aug 2025563 PMAQI
2nd Aug 2025544 PMAQI
2nd Aug 2025505 PMAQI
2nd Aug 2025526 PMAQI
2nd Aug 2025507 PMAQI
2nd Aug 2025388 PMAQI
2nd Aug 2025399 PMAQI
2nd Aug 20253610 PMAQI
2nd Aug 20254211 PMAQI
3rd Aug 20253412 AMAQI
3rd Aug 2025361 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025373 AMAQI
31°C27/37°C
3rd Aug 2025404 AMAQI
3rd Aug 2025405 AMAQI
3rd Aug 2025386 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025388 AMAQI
3rd Aug 2025489 AMAQI
3rd Aug 20255410 AMAQI
3rd Aug 20255611 AMAQI
3rd Aug 20255912 PMAQI
3rd Aug 2025551 PMAQI
3rd Aug 2025562 PMAQI
3rd Aug 2025533 PMAQI
3rd Aug 2025504 PMAQI
3rd Aug 2025525 PMAQI
3rd Aug 2025546 PMAQI
3rd Aug 2025517 PMAQI
3rd Aug 2025508 PMAQI
3rd Aug 2025429 PMAQI
3rd Aug 20254510 PMAQI
3rd Aug 20254011 PMAQI
4th Aug 20254112 AMAQI
4th Aug 2025381 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025403 AMAQI
32°C28/37°C
4th Aug 2025424 AMAQI
4th Aug 2025435 AMAQI
4th Aug 2025446 AMAQI
4th Aug 2025437 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025639 AMAQI
4th Aug 20256310 AMAQI
4th Aug 20258011 AMAQI
4th Aug 20258012 PMAQI
4th Aug 2025931 PMAQI
4th Aug 2025942 PMAQI
4th Aug 2025863 PMAQI
4th Aug 2025944 PMAQI
4th Aug 2025945 PMAQI
4th Aug 2025806 PMAQI
4th Aug 2025747 PMAQI
4th Aug 2025678 PMAQI
4th Aug 2025589 PMAQI
4th Aug 20255410 PMAQI
4th Aug 20254611 PMAQI
5th Aug 20256212 AMAQI
5th Aug 2025421 AMAQI
5th Aug 2025422 AMAQI
5th Aug 2025403 AMAQI
33°C30/37°C
5th Aug 2025514 AMAQI
5th Aug 2025545 AMAQI
5th Aug 2025536 AMAQI
5th Aug 2025527 AMAQI
5th Aug 2025548 AMAQI
5th Aug 2025579 AMAQI
5th Aug 20256610 AMAQI
5th Aug 20256011 AMAQI
5th Aug 20256312 PMAQI
5th Aug 2025571 PMAQI
5th Aug 2025562 PMAQI
5th Aug 2025563 PMAQI
5th Aug 2025624 PMAQI
5th Aug 2025535 PMAQI
5th Aug 2025476 PMAQI
5th Aug 2025437 PMAQI
5th Aug 2025488 PMAQI
5th Aug 2025489 PMAQI
5th Aug 20254710 PMAQI
5th Aug 20254411 PMAQI
6th Aug 20254612 AMAQI
6th Aug 2025491 AMAQI
6th Aug 2025502 AMAQI
6th Aug 2025503 AMAQI
34°C30/39°C
6th Aug 2025524 AMAQI
6th Aug 2025535 AMAQI
6th Aug 2025526 AMAQI
6th Aug 2025527 AMAQI
6th Aug 2025528 AMAQI
6th Aug 2025449 AMAQI
6th Aug 20253910 AMAQI
6th Aug 20254111 AMAQI
6th Aug 20255512 PMAQI
6th Aug 2025511 PMAQI
6th Aug 2025532 PMAQI
6th Aug 2025503 PMAQI
6th Aug 2025484 PMAQI
6th Aug 2025595 PMAQI
6th Aug 2025536 PMAQI
6th Aug 2025587 PMAQI
6th Aug 2025548 PMAQI
6th Aug 2025489 PMAQI
6th Aug 20255010 PMAQI
6th Aug 20254811 PMAQI
7th Aug 20254612 AMAQI
7th Aug 2025481 AMAQI
7th Aug 2025522 AMAQI
7th Aug 2025503 AMAQI
32°C29/36°C
7th Aug 2025514 AMAQI
4 AM7th Aug 2025505 AMAQI
7th Aug 2025516 AMAQI
7th Aug 2025467 AMAQI
7th Aug 2025518 AMAQI
7th Aug 2025439 AMAQI
11 AM
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
11 AM - 4 PM
51AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
9 AM - 10 AM
44AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 4 PM (Avg. 51), while the lowest AQI was between 9 AM to 10 AM (Avg. 44).
Night time
Avg. Highest Time
12 AM - 3 AM
47AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM - 8 PM
42AQI
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. 42).
2025 Days Vs Air Quality
Hikawacha, Kawaguchi, Saitama, Japan
2025
94%
205
6%
12
Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)
Good
205 DaysModerate
12 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2025, 94% of 219 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Hikawacha, Kawaguchi, 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
28AQI
28AQI
2nd January 2025
26AQI
26AQI
3rd January 2025
23AQI
23AQI
4th January 2025
26AQI
26AQI
5th January 2025
25AQI
25AQI
6th January 2025
30AQI
30AQI
7th January 2025
26AQI
26AQI
8th January 2025
26AQI
26AQI
9th January 2025
24AQI
24AQI
10th January 2025
25AQI
25AQI
11th January 2025
23AQI
23AQI
12th January 2025
27AQI
27AQI
13th January 2025
28AQI
28AQI
14th January 2025
27AQI
27AQI
15th January 2025
30AQI
30AQI
16th January 2025
23AQI
23AQI
17th January 2025
29AQI
29AQI
18th January 2025
26AQI
26AQI
19th January 2025
31AQI
31AQI
20th January 2025
32AQI
32AQI
21st January 2025
31AQI
31AQI
22nd January 2025
32AQI
32AQI
23rd January 2025
33AQI
33AQI
24th January 2025
35AQI
35AQI
25th January 2025
33AQI
33AQI
26th January 2025
33AQI
33AQI
27th January 2025
24AQI
24AQI
28th January 2025
30AQI
30AQI
29th January 2025
27AQI
27AQI
30th January 2025
28AQI
28AQI
31st January 2025
27AQI
27AQI
1st February 2025
28AQI
28AQI
2nd February 2025
29AQI
29AQI
3rd February 2025
25AQI
25AQI
4th February 2025
29AQI
29AQI
5th February 2025
28AQI
28AQI
6th February 2025
26AQI
26AQI
7th February 2025
26AQI
26AQI
8th February 2025
29AQI
29AQI
9th February 2025
28AQI
28AQI
10th February 2025
25AQI
25AQI
11th February 2025
29AQI
29AQI
12th February 2025
27AQI
27AQI
13th February 2025
31AQI
31AQI
14th February 2025
28AQI
28AQI
15th February 2025
30AQI
30AQI
16th February 2025
32AQI
32AQI
17th February 2025
34AQI
34AQI
18th February 2025
30AQI
30AQI
19th February 2025
30AQI
30AQI
20th February 2025
30AQI
30AQI
21st February 2025
29AQI
29AQI
22nd February 2025
31AQI
31AQI
23rd February 2025
31AQI
31AQI
24th February 2025
32AQI
32AQI
25th February 2025
32AQI
32AQI
26th February 2025
33AQI
33AQI
27th February 2025
36AQI
36AQI
28th February 2025
40AQI
40AQI
1st March 2025
45AQI
45AQI
2nd March 2025
47AQI
47AQI
3rd March 2025
34AQI
34AQI
4th March 2025
31AQI
31AQI
5th March 2025
24AQI
24AQI
6th March 2025
31AQI
31AQI
7th March 2025
31AQI
31AQI
8th March 2025
32AQI
32AQI
9th March 2025
34AQI
34AQI
10th March 2025
33AQI
33AQI
11th March 2025
32AQI
32AQI
12th March 2025
34AQI
34AQI
13th March 2025
35AQI
35AQI
14th March 2025
27AQI
27AQI
15th March 2025
23AQI
23AQI
16th March 2025
19AQI
19AQI
17th March 2025
17AQI
17AQI
18th March 2025
17AQI
17AQI
19th March 2025
14AQI
14AQI
20th March 2025
17AQI
17AQI
21st March 2025
25AQI
25AQI
22nd March 2025
27AQI
27AQI
23rd March 2025
28AQI
28AQI
24th March 2025
28AQI
28AQI
25th March 2025
50AQI
50AQI
26th March 2025
62AQI
62AQI
27th March 2025
59AQI
59AQI
28th March 2025
39AQI
39AQI
29th March 2025
31AQI
31AQI
30th March 2025
36AQI
36AQI
31st March 2025
28AQI
28AQI
1st April 2025
24AQI
24AQI
2nd April 2025
21AQI
21AQI
3rd April 2025
19AQI
19AQI
4th April 2025
18AQI
18AQI
5th April 2025
20AQI
20AQI
6th April 2025
14AQI
14AQI
7th April 2025
15AQI
15AQI
8th April 2025
18AQI
18AQI
9th April 2025
17AQI
17AQI
10th April 2025
22AQI
22AQI
11th April 2025
23AQI
23AQI
12th April 2025
22AQI
22AQI
13th April 2025
18AQI
18AQI
14th April 2025
23AQI
23AQI
15th April 2025
20AQI
20AQI
16th April 2025
19AQI
19AQI
17th April 2025
26AQI
26AQI
18th April 2025
28AQI
28AQI
19th April 2025
35AQI
35AQI
20th April 2025
25AQI
25AQI
21st April 2025
25AQI
25AQI
22nd April 2025
21AQI
21AQI
23rd April 2025
16AQI
16AQI
24th April 2025
19AQI
19AQI
25th April 2025
21AQI
21AQI
26th April 2025
20AQI
20AQI
27th April 2025
21AQI
21AQI
28th April 2025
19AQI
19AQI
29th April 2025
15AQI
15AQI
30th April 2025
18AQI
18AQI
1st May 2025
18AQI
18AQI
2nd May 2025
17AQI
17AQI
3rd May 2025
18AQI
18AQI
4th May 2025
23AQI
23AQI
5th May 2025
20AQI
20AQI
6th May 2025
17AQI
17AQI
7th May 2025
15AQI
15AQI
8th May 2025
18AQI
18AQI
9th May 2025
19AQI
19AQI
10th May 2025
15AQI
15AQI
11th May 2025
16AQI
16AQI
12th May 2025
15AQI
15AQI
13th May 2025
20AQI
20AQI
14th May 2025
19AQI
19AQI
15th May 2025
21AQI
21AQI
16th May 2025
22AQI
22AQI
17th May 2025
18AQI
18AQI
18th May 2025
23AQI
23AQI
19th May 2025
26AQI
26AQI
20th May 2025
38AQI
38AQI
21st May 2025
34AQI
34AQI
22nd May 2025
27AQI
27AQI
23rd May 2025
25AQI
25AQI
24th May 2025
21AQI
21AQI
25th May 2025
19AQI
19AQI
26th May 2025
18AQI
18AQI
27th May 2025
17AQI
17AQI
28th May 2025
15AQI
15AQI
29th May 2025
22AQI
22AQI
30th May 2025
14AQI
14AQI
31st May 2025
13AQI
13AQI
1st June 2025
14AQI
14AQI
2nd June 2025
17AQI
17AQI
3rd June 2025
18AQI
18AQI
4th June 2025
17AQI
17AQI
5th June 2025
23AQI
23AQI
6th June 2025
23AQI
23AQI
7th June 2025
24AQI
24AQI
8th June 2025
31AQI
31AQI
9th June 2025
24AQI
24AQI
10th June 2025
21AQI
21AQI
11th June 2025
20AQI
20AQI
12th June 2025
22AQI
22AQI
13th June 2025
22AQI
22AQI
14th June 2025
18AQI
18AQI
15th June 2025
17AQI
17AQI
16th June 2025
18AQI
18AQI
17th June 2025
26AQI
26AQI
18th June 2025
22AQI
22AQI
19th June 2025
24AQI
24AQI
20th June 2025
22AQI
22AQI
21st June 2025
19AQI
19AQI
22nd June 2025
12AQI
12AQI
23rd June 2025
12AQI
12AQI
24th June 2025
14AQI
14AQI
25th June 2025
15AQI
15AQI
26th June 2025
15AQI
15AQI
27th June 2025
19AQI
19AQI
28th June 2025
17AQI
17AQI
29th June 2025
19AQI
19AQI
30th June 2025
31AQI
31AQI
1st July 2025
33AQI
33AQI
2nd July 2025
38AQI
38AQI
3rd July 2025
44AQI
44AQI
4th July 2025
45AQI
45AQI
5th July 2025
48AQI
48AQI
6th July 2025
58AQI
58AQI
7th July 2025
78AQI
78AQI
8th July 2025
79AQI
79AQI
9th July 2025
83AQI
83AQI
10th July 2025
65AQI
65AQI
11th July 2025
56AQI
56AQI
12th July 2025
57AQI
57AQI
13th July 2025
56AQI
56AQI
14th July 2025
48AQI
48AQI
15th July 2025
48AQI
48AQI
16th July 2025
41AQI
41AQI
17th July 2025
43AQI
43AQI
18th July 2025
37AQI
37AQI
19th July 2025
34AQI
34AQI
20th July 2025
35AQI
35AQI
21st July 2025
38AQI
38AQI
22nd July 2025
44AQI
44AQI
23rd July 2025
46AQI
46AQI
24th July 2025
46AQI
46AQI
25th July 2025
43AQI
43AQI
26th July 2025
41AQI
41AQI
27th July 2025
38AQI
38AQI
28th July 2025
44AQI
44AQI
29th July 2025
40AQI
40AQI
30th July 2025
35AQI
35AQI
31st July 2025
35AQI
35AQI
1st August 2025
33AQI
33AQI
2nd August 2025
41AQI
41AQI
3rd August 2025
46AQI
46AQI
4th August 2025
61AQI
61AQI
5th August 2025
52AQI
52AQI
28AQI
30AQI
32AQI
21AQI
20AQI
20AQI
48AQI
47AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202529AQI
31
28
29
2
30
31
30
23
8
3
2
205
12
Highest AQI recorded in
July48AQI
Lowest AQI recorded in
June20AQI
202433AQI
29
2
29
31
28
2
29
2
29
1
23
8
27
3
28
2
30
1
27
3
31
341
24
Highest AQI recorded in
July45AQI
Lowest AQI recorded in
December27AQI
202332AQI
31
28
27
4
24
6
29
2
29
1
29
2
30
1
30
31
28
1
31
347
17
Highest AQI recorded in
April43AQI
Lowest AQI recorded in
September24AQI
202229AQI
31
20
1
30
1
15
2
30
1
28
2
20
1
1
28
31
30
30
1
294
9
Highest AQI recorded in
April36AQI
Lowest AQI recorded in
August21AQI
202123AQI
30
1
28
30
1
30
30
1
29
1
30
1
29
2
30
30
1
30
31
357
8
Highest AQI recorded in
June32AQI
Lowest AQI recorded in
February13AQI
202016AQI
13
21
18
30
31
31
19
31
30
31
255
Highest AQI recorded in
August23AQI
Lowest AQI recorded in
April12AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2024(Avg.)
33AQILeast Polluted Year Recorded
2020(Avg.)
16AQIHikawacha's annual 2025 AQI (29) shows an average percentage change of 17.5% (worsened AQI) compared to previous years: 2020 (16), 2021 (23), 2022 (29), 2023 (32), 2024 (33).
