Chaahoncha, Soka, 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
Chaahoncha, Soka, Saitama, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
77AQILowest AQI recorded on
8th Aug 2021
10AQISame Day Analysis (7th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 48 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 7th Aug - 8th Aug 2025
Chaahoncha, Soka, Saitama, Japan
AQI
Day
Night
.
4 AM7th Aug 2025
6 PM
3 AM8th Aug 2025
Day time
Avg. Highest Time
6PM7th Aug
69AQI
Avg. Lowest Time
12PM7th Aug
28AQI
Night time
Avg. Highest Time
7PM7th Aug
61AQI
Avg. Lowest Time
2AM8th Aug
49AQI
In the last 24 hours,
Chaahoncha's AQI reached its highest point of 69 at 6 PM during the Day, while the lowest point, 28, was recorded at 12 PM during the Day between 7th Aug and 8th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Chaahoncha, Soka, Saitama, Japan
JulAug
09th - 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 - 08th08th
Day
Night
9th Jul 2025694 AMAQI
9th Jul 2025735 AMAQI
9th Jul 2025736 AMAQI
9th Jul 2025737 AMAQI
9th Jul 2025748 AMAQI
9th Jul 20251089 AMAQI
9th Jul 202511810 AMAQI
9th Jul 202512811 AMAQI
9th Jul 202512612 PMAQI
9th Jul 20251091 PMAQI
9th Jul 2025982 PMAQI
9th Jul 20251063 PMAQI
9th Jul 20251104 PMAQI
9th Jul 20251025 PMAQI
9th Jul 2025966 PMAQI
9th Jul 2025807 PMAQI
9th Jul 2025628 PMAQI
9th Jul 2025609 PMAQI
9th Jul 20256010 PMAQI
9th Jul 20256111 PMAQI
10th Jul 20256112 AMAQI
10th Jul 2025641 AMAQI
10th Jul 2025722 AMAQI
10th Jul 2025723 AMAQI
31°C28/35°C
10th Jul 2025764 AMAQI
10th Jul 2025785 AMAQI
10th Jul 2025786 AMAQI
10th Jul 2025787 AMAQI
10th Jul 2025788 AMAQI
10th Jul 2025459 AMAQI
10th Jul 20255010 AMAQI
10th Jul 20255811 AMAQI
10th Jul 20256612 PMAQI
10th Jul 2025621 PMAQI
10th Jul 2025542 PMAQI
10th Jul 2025503 PMAQI
10th Jul 2025414 PMAQI
10th Jul 2025455 PMAQI
10th Jul 2025386 PMAQI
10th Jul 2025507 PMAQI
10th Jul 2025538 PMAQI
10th Jul 2025609 PMAQI
10th Jul 20255810 PMAQI
10th Jul 20255711 PMAQI
11th Jul 20255712 AMAQI
11th Jul 2025621 AMAQI
11th Jul 2025712 AMAQI
11th Jul 2025703 AMAQI
29°C23/35°C
11th Jul 2025704 AMAQI
11th Jul 2025685 AMAQI
11th Jul 2025686 AMAQI
11th Jul 2025687 AMAQI
11th Jul 2025698 AMAQI
11th Jul 2025309 AMAQI
11th Jul 20251710 AMAQI
11th Jul 20252011 AMAQI
11th Jul 20252212 PMAQI
11th Jul 2025281 PMAQI
11th Jul 2025312 PMAQI
11th Jul 2025323 PMAQI
11th Jul 2025284 PMAQI
11th Jul 2025275 PMAQI
11th Jul 2025296 PMAQI
11th Jul 2025297 PMAQI
11th Jul 2025398 PMAQI
11th Jul 2025569 PMAQI
11th Jul 20255510 PMAQI
11th Jul 20255511 PMAQI
12th Jul 20255512 AMAQI
12th Jul 2025581 AMAQI
12th Jul 2025662 AMAQI
12th Jul 2025663 AMAQI
24°C22/27°C
12th Jul 2025644 AMAQI
12th Jul 2025605 AMAQI
12th Jul 2025606 AMAQI
12th Jul 2025607 AMAQI
12th Jul 2025608 AMAQI
12th Jul 2025409 AMAQI
12th Jul 20253510 AMAQI
12th Jul 20253811 AMAQI
12th Jul 20254512 PMAQI
12th Jul 2025441 PMAQI
12th Jul 2025412 PMAQI
12th Jul 2025433 PMAQI
12th Jul 2025424 PMAQI
12th Jul 2025405 PMAQI
12th Jul 2025426 PMAQI
12th Jul 2025397 PMAQI
12th Jul 2025428 PMAQI
12th Jul 2025529 PMAQI
12th Jul 20255210 PMAQI
12th Jul 20255211 PMAQI
13th Jul 20255212 AMAQI
13th Jul 2025551 AMAQI
13th Jul 2025602 AMAQI
13th Jul 2025603 AMAQI
25°C22/29°C
13th Jul 2025604 AMAQI
13th Jul 2025575 AMAQI
13th Jul 2025586 AMAQI
13th Jul 2025577 AMAQI
13th Jul 2025588 AMAQI
13th Jul 2025439 AMAQI
13th Jul 20253510 AMAQI
13th Jul 20254011 AMAQI
13th Jul 20254812 PMAQI
13th Jul 2025521 PMAQI
13th Jul 2025482 PMAQI
13th Jul 2025463 PMAQI
13th Jul 2025444 PMAQI
13th Jul 2025485 PMAQI
13th Jul 2025506 PMAQI
13th Jul 2025447 PMAQI
13th Jul 2025308 PMAQI
13th Jul 2025459 PMAQI
13th Jul 20254410 PMAQI
13th Jul 20254511 PMAQI
14th Jul 20254612 AMAQI
14th Jul 2025501 AMAQI
14th Jul 2025562 AMAQI
14th Jul 2025573 AMAQI
27°C24/31°C
14th Jul 2025574 AMAQI
14th Jul 2025555 AMAQI
14th Jul 2025556 AMAQI
14th Jul 2025557 AMAQI
14th Jul 2025558 AMAQI
14th Jul 2025359 AMAQI
14th Jul 20252410 AMAQI
14th Jul 20252111 AMAQI
14th Jul 20252512 PMAQI
14th Jul 2025241 PMAQI
14th Jul 2025232 PMAQI
14th Jul 2025223 PMAQI
14th Jul 2025264 PMAQI
14th Jul 2025325 PMAQI
14th Jul 2025246 PMAQI
14th Jul 2025287 PMAQI
14th Jul 2025348 PMAQI
14th Jul 2025449 PMAQI
14th Jul 20254410 PMAQI
14th Jul 20254611 PMAQI
15th Jul 20254612 AMAQI
15th Jul 2025471 AMAQI
15th Jul 2025542 AMAQI
15th Jul 2025543 AMAQI
26°C25/29°C
15th Jul 2025544 AMAQI
15th Jul 2025525 AMAQI
15th Jul 2025526 AMAQI
15th Jul 2025527 AMAQI
15th Jul 2025528 AMAQI
15th Jul 2025349 AMAQI
15th Jul 20252310 AMAQI
15th Jul 20252811 AMAQI
15th Jul 20253312 PMAQI
15th Jul 2025301 PMAQI
15th Jul 2025322 PMAQI
15th Jul 2025303 PMAQI
15th Jul 2025254 PMAQI
15th Jul 2025295 PMAQI
15th Jul 2025346 PMAQI
15th Jul 2025347 PMAQI
15th Jul 2025288 PMAQI
15th Jul 2025369 PMAQI
15th Jul 20253610 PMAQI
15th Jul 20253711 PMAQI
16th Jul 20254212 AMAQI
16th Jul 2025481 AMAQI
16th Jul 2025522 AMAQI
16th Jul 2025523 AMAQI
27°C26/30°C
16th Jul 2025514 AMAQI
16th Jul 2025485 AMAQI
16th Jul 2025486 AMAQI
16th Jul 2025487 AMAQI
16th Jul 2025488 AMAQI
16th Jul 2025539 AMAQI
16th Jul 20254810 AMAQI
16th Jul 20253511 AMAQI
16th Jul 20253012 PMAQI
16th Jul 2025281 PMAQI
16th Jul 2025292 PMAQI
16th Jul 2025283 PMAQI
16th Jul 2025254 PMAQI
16th Jul 2025275 PMAQI
16th Jul 2025276 PMAQI
16th Jul 2025207 PMAQI
16th Jul 2025268 PMAQI
16th Jul 2025419 PMAQI
16th Jul 20254010 PMAQI
16th Jul 20253811 PMAQI
17th Jul 20254012 AMAQI
17th Jul 2025451 AMAQI
17th Jul 2025492 AMAQI
17th Jul 2025493 AMAQI
28°C26/30°C
17th Jul 2025484 AMAQI
17th Jul 2025475 AMAQI
17th Jul 2025486 AMAQI
17th Jul 2025477 AMAQI
17th Jul 2025478 AMAQI
17th Jul 2025299 AMAQI
17th Jul 20253010 AMAQI
17th Jul 20254011 AMAQI
17th Jul 20254212 PMAQI
17th Jul 2025401 PMAQI
17th Jul 2025422 PMAQI
17th Jul 2025383 PMAQI
17th Jul 2025414 PMAQI
17th Jul 2025365 PMAQI
17th Jul 2025376 PMAQI
17th Jul 2025427 PMAQI
17th Jul 2025438 PMAQI
17th Jul 2025469 PMAQI
17th Jul 20254310 PMAQI
17th Jul 20254411 PMAQI
18th Jul 20254412 AMAQI
18th Jul 2025451 AMAQI
18th Jul 2025482 AMAQI
18th Jul 2025483 AMAQI
29°C27/32°C
18th Jul 2025464 AMAQI
18th Jul 2025455 AMAQI
18th Jul 2025446 AMAQI
18th Jul 2025447 AMAQI
18th Jul 2025448 AMAQI
18th Jul 2025369 AMAQI
18th Jul 20253410 AMAQI
18th Jul 20254111 AMAQI
18th Jul 20253412 PMAQI
18th Jul 2025321 PMAQI
18th Jul 2025362 PMAQI
18th Jul 2025373 PMAQI
18th Jul 2025404 PMAQI
18th Jul 2025325 PMAQI
18th Jul 2025276 PMAQI
18th Jul 2025257 PMAQI
18th Jul 2025298 PMAQI
18th Jul 2025359 PMAQI
18th Jul 20253710 PMAQI
18th Jul 20253711 PMAQI
19th Jul 20253712 AMAQI
19th Jul 2025411 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025463 AMAQI
28°C26/32°C
19th Jul 2025444 AMAQI
19th Jul 2025435 AMAQI
19th Jul 2025426 AMAQI
19th Jul 2025427 AMAQI
19th Jul 2025428 AMAQI
19th Jul 2025279 AMAQI
19th Jul 20252010 AMAQI
19th Jul 20252211 AMAQI
19th Jul 20253212 PMAQI
19th Jul 2025291 PMAQI
19th Jul 2025282 PMAQI
19th Jul 2025333 PMAQI
19th Jul 2025334 PMAQI
19th Jul 2025245 PMAQI
19th Jul 2025246 PMAQI
19th Jul 2025237 PMAQI
19th Jul 2025288 PMAQI
19th Jul 2025349 PMAQI
19th Jul 20253610 PMAQI
19th Jul 20253611 PMAQI
20th Jul 20253512 AMAQI
20th Jul 2025351 AMAQI
20th Jul 2025432 AMAQI
20th Jul 2025433 AMAQI
29°C26/33°C
20th Jul 2025424 AMAQI
20th Jul 2025395 AMAQI
20th Jul 2025396 AMAQI
20th Jul 2025397 AMAQI
20th Jul 2025398 AMAQI
20th Jul 2025289 AMAQI
20th Jul 20252210 AMAQI
20th Jul 20252311 AMAQI
20th Jul 20252912 PMAQI
20th Jul 2025261 PMAQI
20th Jul 2025282 PMAQI
20th Jul 2025303 PMAQI
20th Jul 2025344 PMAQI
20th Jul 2025285 PMAQI
20th Jul 2025316 PMAQI
20th Jul 2025327 PMAQI
20th Jul 2025308 PMAQI
20th Jul 2025349 PMAQI
20th Jul 20253310 PMAQI
20th Jul 20253411 PMAQI
21st Jul 20253612 AMAQI
21st Jul 2025371 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025403 AMAQI
30°C27/34°C
21st Jul 2025384 AMAQI
21st Jul 2025365 AMAQI
21st Jul 2025376 AMAQI
21st Jul 2025367 AMAQI
21st Jul 2025368 AMAQI
21st Jul 2025289 AMAQI
21st Jul 20252810 AMAQI
21st Jul 20253511 AMAQI
21st Jul 20254612 PMAQI
21st Jul 2025541 PMAQI
21st Jul 2025462 PMAQI
21st Jul 2025423 PMAQI
21st Jul 2025444 PMAQI
21st Jul 2025425 PMAQI
21st Jul 2025366 PMAQI
21st Jul 2025347 PMAQI
21st Jul 2025368 PMAQI
21st Jul 2025339 PMAQI
21st Jul 20253310 PMAQI
21st Jul 20253211 PMAQI
22nd Jul 20253212 AMAQI
22nd Jul 2025341 AMAQI
22nd Jul 2025372 AMAQI
22nd Jul 2025383 AMAQI
31°C27/35°C
22nd Jul 2025374 AMAQI
22nd Jul 2025375 AMAQI
22nd Jul 2025376 AMAQI
22nd Jul 2025377 AMAQI
22nd Jul 2025378 AMAQI
22nd Jul 2025299 AMAQI
22nd Jul 20253010 AMAQI
22nd Jul 20254111 AMAQI
22nd Jul 20254912 PMAQI
22nd Jul 2025501 PMAQI
22nd Jul 2025492 PMAQI
22nd Jul 2025543 PMAQI
22nd Jul 2025564 PMAQI
22nd Jul 2025475 PMAQI
22nd Jul 2025406 PMAQI
22nd Jul 2025317 PMAQI
22nd Jul 2025298 PMAQI
22nd Jul 2025329 PMAQI
22nd Jul 20252910 PMAQI
22nd Jul 20252911 PMAQI
23rd Jul 20253412 AMAQI
23rd Jul 2025361 AMAQI
23rd Jul 2025382 AMAQI
23rd Jul 2025373 AMAQI
31°C28/35°C
23rd Jul 2025374 AMAQI
23rd Jul 2025385 AMAQI
23rd Jul 2025386 AMAQI
23rd Jul 2025387 AMAQI
23rd Jul 2025388 AMAQI
23rd Jul 2025349 AMAQI
23rd Jul 20254410 AMAQI
23rd Jul 20255011 AMAQI
23rd Jul 20255412 PMAQI
23rd Jul 2025541 PMAQI
23rd Jul 2025552 PMAQI
23rd Jul 2025573 PMAQI
23rd Jul 2025564 PMAQI
23rd Jul 2025545 PMAQI
23rd Jul 2025506 PMAQI
23rd Jul 2025437 PMAQI
23rd Jul 2025288 PMAQI
23rd Jul 2025309 PMAQI
23rd Jul 20253110 PMAQI
23rd Jul 20252911 PMAQI
24th Jul 20252912 AMAQI
24th Jul 2025341 AMAQI
24th Jul 2025372 AMAQI
24th Jul 2025383 AMAQI
31°C27/35°C
24th Jul 2025384 AMAQI
24th Jul 2025415 AMAQI
24th Jul 2025406 AMAQI
24th Jul 2025407 AMAQI
24th Jul 2025418 AMAQI
24th Jul 2025389 AMAQI
24th Jul 20254210 AMAQI
24th Jul 20255411 AMAQI
24th Jul 20255812 PMAQI
24th Jul 2025581 PMAQI
24th Jul 2025612 PMAQI
24th Jul 2025663 PMAQI
24th Jul 2025644 PMAQI
24th Jul 2025625 PMAQI
24th Jul 2025526 PMAQI
24th Jul 2025387 PMAQI
24th Jul 2025328 PMAQI
24th Jul 2025339 PMAQI
24th Jul 20253510 PMAQI
24th Jul 20253511 PMAQI
25th Jul 20253612 AMAQI
25th Jul 2025371 AMAQI
25th Jul 2025372 AMAQI
25th Jul 2025383 AMAQI
31°C28/36°C
25th Jul 2025394 AMAQI
25th Jul 2025425 AMAQI
25th Jul 2025436 AMAQI
25th Jul 2025437 AMAQI
25th Jul 2025438 AMAQI
25th Jul 2025449 AMAQI
25th Jul 20255410 AMAQI
25th Jul 20255711 AMAQI
25th Jul 20256012 PMAQI
25th Jul 2025561 PMAQI
25th Jul 2025522 PMAQI
25th Jul 2025533 PMAQI
25th Jul 2025524 PMAQI
25th Jul 2025405 PMAQI
25th Jul 2025296 PMAQI
25th Jul 2025257 PMAQI
25th Jul 2025278 PMAQI
25th Jul 2025339 PMAQI
25th Jul 20253210 PMAQI
25th Jul 20253211 PMAQI
26th Jul 20253312 AMAQI
26th Jul 2025341 AMAQI
26th Jul 2025392 AMAQI
26th Jul 2025393 AMAQI
31°C29/35°C
26th Jul 2025404 AMAQI
26th Jul 2025435 AMAQI
26th Jul 2025446 AMAQI
26th Jul 2025447 AMAQI
26th Jul 2025448 AMAQI
26th Jul 2025389 AMAQI
26th Jul 20254410 AMAQI
26th Jul 20255611 AMAQI
26th Jul 20255612 PMAQI
26th Jul 2025481 PMAQI
26th Jul 2025402 PMAQI
26th Jul 2025513 PMAQI
26th Jul 2025534 PMAQI
26th Jul 2025375 PMAQI
26th Jul 2025296 PMAQI
26th Jul 2025317 PMAQI
26th Jul 2025318 PMAQI
26th Jul 2025349 PMAQI
26th Jul 20254510 PMAQI
26th Jul 20254911 PMAQI
27th Jul 20253612 AMAQI
27th Jul 2025341 AMAQI
27th Jul 2025382 AMAQI
27th Jul 2025393 AMAQI
31°C29/35°C
27th Jul 2025394 AMAQI
27th Jul 2025415 AMAQI
27th Jul 2025416 AMAQI
27th Jul 2025427 AMAQI
27th Jul 2025418 AMAQI
27th Jul 2025339 AMAQI
27th Jul 20253510 AMAQI
27th Jul 20255311 AMAQI
27th Jul 20255212 PMAQI
27th Jul 2025481 PMAQI
27th Jul 2025352 PMAQI
27th Jul 2025363 PMAQI
27th Jul 2025384 PMAQI
27th Jul 2025315 PMAQI
27th Jul 2025266 PMAQI
27th Jul 2025217 PMAQI
27th Jul 2025258 PMAQI
27th Jul 2025299 PMAQI
27th Jul 20252910 PMAQI
27th Jul 20252911 PMAQI
28th Jul 20252912 AMAQI
28th Jul 2025331 AMAQI
28th Jul 2025362 AMAQI
28th Jul 2025383 AMAQI
31°C28/35°C
28th Jul 2025384 AMAQI
28th Jul 2025385 AMAQI
28th Jul 2025406 AMAQI
28th Jul 2025397 AMAQI
28th Jul 2025398 AMAQI
28th Jul 2025299 AMAQI
28th Jul 20253010 AMAQI
28th Jul 20253811 AMAQI
28th Jul 20254812 PMAQI
28th Jul 2025531 PMAQI
28th Jul 2025562 PMAQI
28th Jul 2025643 PMAQI
28th Jul 2025674 PMAQI
28th Jul 2025625 PMAQI
28th Jul 2025556 PMAQI
28th Jul 2025527 PMAQI
28th Jul 2025438 PMAQI
28th Jul 2025409 PMAQI
28th Jul 20253610 PMAQI
28th Jul 20253411 PMAQI
29th Jul 20253212 AMAQI
29th Jul 2025321 AMAQI
29th Jul 2025372 AMAQI
29th Jul 2025353 AMAQI
31°C28/37°C
29th Jul 2025374 AMAQI
29th Jul 2025395 AMAQI
29th Jul 2025406 AMAQI
29th Jul 2025407 AMAQI
29th Jul 2025398 AMAQI
29th Jul 2025299 AMAQI
29th Jul 20253010 AMAQI
29th Jul 20254011 AMAQI
29th Jul 20254812 PMAQI
29th Jul 2025501 PMAQI
29th Jul 2025532 PMAQI
29th Jul 2025543 PMAQI
29th Jul 2025474 PMAQI
29th Jul 2025445 PMAQI
29th Jul 2025346 PMAQI
29th Jul 2025267 PMAQI
29th Jul 2025228 PMAQI
29th Jul 2025269 PMAQI
29th Jul 20252710 PMAQI
29th Jul 20252511 PMAQI
30th Jul 20252512 AMAQI
30th Jul 2025281 AMAQI
30th Jul 2025342 AMAQI
30th Jul 2025363 AMAQI
32°C27/38°C
30th Jul 2025374 AMAQI
30th Jul 2025385 AMAQI
30th Jul 2025386 AMAQI
30th Jul 2025387 AMAQI
30th Jul 2025388 AMAQI
30th Jul 2025229 AMAQI
30th Jul 20251710 AMAQI
30th Jul 20251811 AMAQI
30th Jul 20252812 PMAQI
30th Jul 2025281 PMAQI
30th Jul 2025262 PMAQI
30th Jul 2025263 PMAQI
30th Jul 2025374 PMAQI
30th Jul 2025295 PMAQI
30th Jul 2025246 PMAQI
30th Jul 2025327 PMAQI
30th Jul 2025378 PMAQI
30th Jul 2025349 PMAQI
30th Jul 20253410 PMAQI
30th Jul 20253311 PMAQI
31st Jul 20253312 AMAQI
31st Jul 2025341 AMAQI
31st Jul 2025342 AMAQI
31st Jul 2025343 AMAQI
29°C26/34°C
31st Jul 2025344 AMAQI
31st Jul 2025345 AMAQI
31st Jul 2025346 AMAQI
31st Jul 2025347 AMAQI
31st Jul 2025348 AMAQI
31st Jul 2025349 AMAQI
31st Jul 20253410 AMAQI
31st Jul 20254011 AMAQI
31st Jul 20254312 PMAQI
31st Jul 2025381 PMAQI
31st Jul 2025362 PMAQI
31st Jul 2025313 PMAQI
31st Jul 2025284 PMAQI
31st Jul 2025245 PMAQI
31st Jul 2025256 PMAQI
31st Jul 2025227 PMAQI
31st Jul 2025248 PMAQI
31st Jul 2025309 PMAQI
31st Jul 20253010 PMAQI
31st Jul 20252611 PMAQI
1st Aug 20252712 AMAQI
1st Aug 2025291 AMAQI
1st Aug 2025352 AMAQI
1st Aug 2025363 AMAQI
29°C25/34°C
1st Aug 2025364 AMAQI
1st Aug 2025345 AMAQI
1st Aug 2025396 AMAQI
1st Aug 2025387 AMAQI
1st Aug 2025368 AMAQI
1st Aug 2025309 AMAQI
1st Aug 20253110 AMAQI
1st Aug 20253411 AMAQI
1st Aug 20253612 PMAQI
1st Aug 2025301 PMAQI
1st Aug 2025352 PMAQI
1st Aug 2025343 PMAQI
1st Aug 2025414 PMAQI
1st Aug 2025325 PMAQI
1st Aug 2025356 PMAQI
1st Aug 2025257 PMAQI
1st Aug 2025308 PMAQI
1st Aug 2025299 PMAQI
1st Aug 20253010 PMAQI
1st Aug 20252711 PMAQI
2nd Aug 20252912 AMAQI
2nd Aug 2025301 AMAQI
2nd Aug 2025372 AMAQI
2nd Aug 2025373 AMAQI
28°C26/32°C
2nd Aug 2025374 AMAQI
2nd Aug 2025395 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025309 AMAQI
2nd Aug 20253010 AMAQI
2nd Aug 20253811 AMAQI
2nd Aug 20254212 PMAQI
2nd Aug 2025461 PMAQI
2nd Aug 2025562 PMAQI
2nd Aug 2025553 PMAQI
2nd Aug 2025524 PMAQI
2nd Aug 2025485 PMAQI
2nd Aug 2025566 PMAQI
2nd Aug 2025547 PMAQI
2nd Aug 2025418 PMAQI
2nd Aug 2025379 PMAQI
2nd Aug 20253610 PMAQI
2nd Aug 20254211 PMAQI
3rd Aug 20253512 AMAQI
3rd Aug 2025361 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025373 AMAQI
31°C27/36°C
3rd Aug 2025404 AMAQI
3rd Aug 2025395 AMAQI
3rd Aug 2025386 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025388 AMAQI
3rd Aug 2025469 AMAQI
3rd Aug 20255410 AMAQI
3rd Aug 20255411 AMAQI
3rd Aug 20256212 PMAQI
3rd Aug 2025521 PMAQI
3rd Aug 2025562 PMAQI
3rd Aug 2025513 PMAQI
3rd Aug 2025464 PMAQI
3rd Aug 2025525 PMAQI
3rd Aug 2025486 PMAQI
3rd Aug 2025427 PMAQI
3rd Aug 2025458 PMAQI
3rd Aug 2025429 PMAQI
3rd Aug 20254510 PMAQI
3rd Aug 20254011 PMAQI
4th Aug 20254112 AMAQI
4th Aug 2025371 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025383 AMAQI
32°C28/37°C
4th Aug 2025414 AMAQI
4th Aug 2025435 AMAQI
4th Aug 2025426 AMAQI
4th Aug 2025427 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025629 AMAQI
4th Aug 20256710 AMAQI
4th Aug 20258211 AMAQI
4th Aug 20258112 PMAQI
4th Aug 2025901 PMAQI
4th Aug 2025902 PMAQI
4th Aug 2025843 PMAQI
4th Aug 2025854 PMAQI
4th Aug 2025875 PMAQI
4th Aug 2025746 PMAQI
4th Aug 2025767 PMAQI
4th Aug 2025688 PMAQI
4th Aug 2025589 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20254611 PMAQI
5th Aug 20256212 AMAQI
5th Aug 2025431 AMAQI
5th Aug 2025402 AMAQI
5th Aug 2025403 AMAQI
32°C29/36°C
5th Aug 2025504 AMAQI
5th Aug 2025535 AMAQI
5th Aug 2025526 AMAQI
5th Aug 2025517 AMAQI
5th Aug 2025548 AMAQI
5th Aug 2025549 AMAQI
5th Aug 20255910 AMAQI
5th Aug 20255911 AMAQI
5th Aug 20255812 PMAQI
5th Aug 2025581 PMAQI
5th Aug 2025502 PMAQI
5th Aug 2025523 PMAQI
5th Aug 2025584 PMAQI
5th Aug 2025525 PMAQI
5th Aug 2025486 PMAQI
5th Aug 2025487 PMAQI
5th Aug 2025488 PMAQI
5th Aug 2025499 PMAQI
5th Aug 20254710 PMAQI
5th Aug 20254711 PMAQI
6th Aug 20254712 AMAQI
6th Aug 2025491 AMAQI
6th Aug 2025492 AMAQI
6th Aug 2025483 AMAQI
33°C30/38°C
6th Aug 2025524 AMAQI
6th Aug 2025525 AMAQI
6th Aug 2025526 AMAQI
6th Aug 2025527 AMAQI
6th Aug 2025528 AMAQI
6th Aug 2025489 AMAQI
6th Aug 20254410 AMAQI
6th Aug 20254611 AMAQI
6th Aug 20255712 PMAQI
6th Aug 2025541 PMAQI
6th Aug 2025582 PMAQI
6th Aug 2025473 PMAQI
6th Aug 2025564 PMAQI
6th Aug 2025605 PMAQI
6th Aug 2025556 PMAQI
6th Aug 2025577 PMAQI
6th Aug 2025548 PMAQI
6th Aug 2025489 PMAQI
6th Aug 20255010 PMAQI
6th Aug 20254811 PMAQI
7th Aug 20254812 AMAQI
7th Aug 2025481 AMAQI
7th Aug 2025512 AMAQI
7th Aug 2025493 AMAQI
33°C29/38°C
7th Aug 2025524 AMAQI
7th Aug 2025515 AMAQI
7th Aug 2025506 AMAQI
7th Aug 2025467 AMAQI
7th Aug 2025508 AMAQI
7th Aug 2025499 AMAQI
7th Aug 20254210 AMAQI
7th Aug 20254511 AMAQI
7th Aug 20252812 PMAQI
7th Aug 2025341 PMAQI
7th Aug 2025292 PMAQI
7th Aug 2025343 PMAQI
7th Aug 2025564 PMAQI
7th Aug 2025685 PMAQI
7th Aug 2025696 PMAQI
7th Aug 2025617 PMAQI
7th Aug 2025568 PMAQI
7th Aug 2025539 PMAQI
7th Aug 20255210 PMAQI
7th Aug 20255111 PMAQI
8th Aug 20255112 AMAQI
8th Aug 2025501 AMAQI
8th Aug 2025492 AMAQI
8th Aug 2025503 AMAQI
31°C29/34°C
8th Aug 2025484 AMAQI
4 AM8th Aug 2025485 AMAQI
8th Aug 2025476 AMAQI
8th Aug 2025487 AMAQI
8th Aug 2025488 AMAQI
8th Aug 2025349 AMAQI
8th Aug 20253210 AMAQI
8th Aug 20253611 AMAQI
11 AM8th Aug 20253612 PMAQI
8th Aug 2025341 PMAQI
8th Aug 2025442 PMAQI
8th Aug 2025553 PMAQI
8th Aug 2025504 PMAQI
8th Aug 2025365 PMAQI
8th Aug 2025516 PMAQI
6 PM8th Aug 2025627 PMAQI
8th Aug 2025588 PMAQI
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
12 PM - 4 PM
47AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
9 AM - 10 AM
39AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 4 PM (Avg. 47), while the lowest AQI was between 9 AM to 10 AM (Avg. 39).
Night time
Avg. Highest Time
2 AM - 3 AM
46AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
8 PM
38AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 3 AM (Avg. 46), while the lowest AQI was between 8 PM to 8 PM (Avg. 38).
2025 Days Vs Air Quality
Chaahoncha, Soka, Saitama, Japan
2025
95%
207
5%
12
Total number of days with different AQI categories in last 220 days in 2025 (145 days remaining)
Good
207 DaysModerate
12 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2025, 95% of 220 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
Chaahoncha, Soka, 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
27AQI
27AQI
2nd January 2025
27AQI
27AQI
3rd January 2025
23AQI
23AQI
4th January 2025
25AQI
25AQI
5th January 2025
23AQI
23AQI
6th January 2025
32AQI
32AQI
7th January 2025
25AQI
25AQI
8th January 2025
27AQI
27AQI
9th January 2025
26AQI
26AQI
10th January 2025
26AQI
26AQI
11th January 2025
24AQI
24AQI
12th January 2025
27AQI
27AQI
13th January 2025
30AQI
30AQI
14th January 2025
28AQI
28AQI
15th January 2025
32AQI
32AQI
16th January 2025
26AQI
26AQI
17th January 2025
30AQI
30AQI
18th January 2025
26AQI
26AQI
19th January 2025
33AQI
33AQI
20th January 2025
30AQI
30AQI
21st January 2025
34AQI
34AQI
22nd January 2025
32AQI
32AQI
23rd January 2025
33AQI
33AQI
24th January 2025
37AQI
37AQI
25th January 2025
33AQI
33AQI
26th January 2025
32AQI
32AQI
27th January 2025
27AQI
27AQI
28th January 2025
33AQI
33AQI
29th January 2025
27AQI
27AQI
30th January 2025
28AQI
28AQI
31st January 2025
27AQI
27AQI
1st February 2025
29AQI
29AQI
2nd February 2025
29AQI
29AQI
3rd February 2025
26AQI
26AQI
4th February 2025
30AQI
30AQI
5th February 2025
28AQI
28AQI
6th February 2025
27AQI
27AQI
7th February 2025
26AQI
26AQI
8th February 2025
29AQI
29AQI
9th February 2025
28AQI
28AQI
10th February 2025
26AQI
26AQI
11th February 2025
30AQI
30AQI
12th February 2025
31AQI
31AQI
13th February 2025
31AQI
31AQI
14th February 2025
28AQI
28AQI
15th February 2025
29AQI
29AQI
16th February 2025
33AQI
33AQI
17th February 2025
34AQI
34AQI
18th February 2025
31AQI
31AQI
19th February 2025
29AQI
29AQI
20th February 2025
30AQI
30AQI
21st February 2025
29AQI
29AQI
22nd February 2025
31AQI
31AQI
23rd February 2025
31AQI
31AQI
24th February 2025
33AQI
33AQI
25th February 2025
31AQI
31AQI
26th February 2025
34AQI
34AQI
27th February 2025
38AQI
38AQI
28th February 2025
41AQI
41AQI
1st March 2025
44AQI
44AQI
2nd March 2025
50AQI
50AQI
3rd March 2025
35AQI
35AQI
4th March 2025
35AQI
35AQI
5th March 2025
25AQI
25AQI
6th March 2025
31AQI
31AQI
7th March 2025
29AQI
29AQI
8th March 2025
33AQI
33AQI
9th March 2025
33AQI
33AQI
10th March 2025
32AQI
32AQI
11th March 2025
32AQI
32AQI
12th March 2025
35AQI
35AQI
13th March 2025
33AQI
33AQI
14th March 2025
28AQI
28AQI
15th March 2025
22AQI
22AQI
16th March 2025
20AQI
20AQI
17th March 2025
16AQI
16AQI
18th March 2025
18AQI
18AQI
19th March 2025
14AQI
14AQI
20th March 2025
20AQI
20AQI
21st March 2025
32AQI
32AQI
22nd March 2025
40AQI
40AQI
23rd March 2025
46AQI
46AQI
24th March 2025
42AQI
42AQI
25th March 2025
64AQI
64AQI
26th March 2025
71AQI
71AQI
27th March 2025
65AQI
65AQI
28th March 2025
42AQI
42AQI
29th March 2025
34AQI
34AQI
30th March 2025
38AQI
38AQI
31st March 2025
31AQI
31AQI
1st April 2025
25AQI
25AQI
2nd April 2025
21AQI
21AQI
3rd April 2025
19AQI
19AQI
4th April 2025
18AQI
18AQI
5th April 2025
20AQI
20AQI
6th April 2025
17AQI
17AQI
7th April 2025
19AQI
19AQI
8th April 2025
24AQI
24AQI
9th April 2025
21AQI
21AQI
10th April 2025
34AQI
34AQI
11th April 2025
31AQI
31AQI
12th April 2025
29AQI
29AQI
13th April 2025
23AQI
23AQI
14th April 2025
29AQI
29AQI
15th April 2025
24AQI
24AQI
16th April 2025
22AQI
22AQI
17th April 2025
34AQI
34AQI
18th April 2025
38AQI
38AQI
19th April 2025
46AQI
46AQI
20th April 2025
34AQI
34AQI
21st April 2025
34AQI
34AQI
22nd April 2025
31AQI
31AQI
23rd April 2025
21AQI
21AQI
24th April 2025
28AQI
28AQI
25th April 2025
30AQI
30AQI
26th April 2025
32AQI
32AQI
27th April 2025
36AQI
36AQI
28th April 2025
29AQI
29AQI
29th April 2025
25AQI
25AQI
30th April 2025
28AQI
28AQI
1st May 2025
24AQI
24AQI
2nd May 2025
22AQI
22AQI
3rd May 2025
20AQI
20AQI
4th May 2025
23AQI
23AQI
5th May 2025
21AQI
21AQI
6th May 2025
20AQI
20AQI
7th May 2025
15AQI
15AQI
8th May 2025
18AQI
18AQI
9th May 2025
17AQI
17AQI
10th May 2025
15AQI
15AQI
11th May 2025
17AQI
17AQI
12th May 2025
16AQI
16AQI
13th May 2025
19AQI
19AQI
14th May 2025
18AQI
18AQI
15th May 2025
21AQI
21AQI
16th May 2025
23AQI
23AQI
17th May 2025
18AQI
18AQI
18th May 2025
25AQI
25AQI
19th May 2025
24AQI
24AQI
20th May 2025
44AQI
44AQI
21st May 2025
36AQI
36AQI
22nd May 2025
28AQI
28AQI
23rd May 2025
26AQI
26AQI
24th May 2025
24AQI
24AQI
25th May 2025
19AQI
19AQI
26th May 2025
18AQI
18AQI
27th May 2025
16AQI
16AQI
28th May 2025
15AQI
15AQI
29th May 2025
17AQI
17AQI
30th May 2025
16AQI
16AQI
31st May 2025
14AQI
14AQI
1st June 2025
16AQI
16AQI
2nd June 2025
17AQI
17AQI
3rd June 2025
20AQI
20AQI
4th June 2025
20AQI
20AQI
5th June 2025
24AQI
24AQI
6th June 2025
25AQI
25AQI
7th June 2025
25AQI
25AQI
8th June 2025
29AQI
29AQI
9th June 2025
24AQI
24AQI
10th June 2025
23AQI
23AQI
11th June 2025
23AQI
23AQI
12th June 2025
25AQI
25AQI
13th June 2025
25AQI
25AQI
14th June 2025
21AQI
21AQI
15th June 2025
23AQI
23AQI
16th June 2025
22AQI
22AQI
17th June 2025
34AQI
34AQI
18th June 2025
29AQI
29AQI
19th June 2025
27AQI
27AQI
20th June 2025
25AQI
25AQI
21st June 2025
23AQI
23AQI
22nd June 2025
21AQI
21AQI
23rd June 2025
18AQI
18AQI
24th June 2025
19AQI
19AQI
25th June 2025
16AQI
16AQI
26th June 2025
15AQI
15AQI
27th June 2025
18AQI
18AQI
28th June 2025
18AQI
18AQI
29th June 2025
21AQI
21AQI
30th June 2025
39AQI
39AQI
1st July 2025
42AQI
42AQI
2nd July 2025
47AQI
47AQI
3rd July 2025
44AQI
44AQI
4th July 2025
48AQI
48AQI
5th July 2025
53AQI
53AQI
6th July 2025
68AQI
68AQI
7th July 2025
83AQI
83AQI
8th July 2025
81AQI
81AQI
9th July 2025
84AQI
84AQI
10th July 2025
61AQI
61AQI
11th July 2025
47AQI
47AQI
12th July 2025
50AQI
50AQI
13th July 2025
49AQI
49AQI
14th July 2025
40AQI
40AQI
15th July 2025
39AQI
39AQI
16th July 2025
39AQI
39AQI
17th July 2025
43AQI
43AQI
18th July 2025
38AQI
38AQI
19th July 2025
34AQI
34AQI
20th July 2025
33AQI
33AQI
21st July 2025
37AQI
37AQI
22nd July 2025
38AQI
38AQI
23rd July 2025
41AQI
41AQI
24th July 2025
43AQI
43AQI
25th July 2025
40AQI
40AQI
26th July 2025
41AQI
41AQI
27th July 2025
35AQI
35AQI
28th July 2025
43AQI
43AQI
29th July 2025
36AQI
36AQI
30th July 2025
31AQI
31AQI
31st July 2025
32AQI
32AQI
1st August 2025
33AQI
33AQI
2nd August 2025
41AQI
41AQI
3rd August 2025
44AQI
44AQI
4th August 2025
60AQI
60AQI
5th August 2025
51AQI
51AQI
6th August 2025
51AQI
51AQI
7th August 2025
48AQI
48AQI
29AQI
30AQI
35AQI
27AQI
21AQI
23AQI
46AQI
47AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202531AQI
31
28
28
3
30
31
30
25
6
4
3
207
12
Highest AQI recorded in
August47AQI
Lowest AQI recorded in
May21AQI
202433AQI
29
2
28
1
30
1
29
1
31
29
1
17
14
29
2
27
1
2
30
1
28
2
31
338
26
2
Highest AQI recorded in
July52AQI
Lowest AQI recorded in
December27AQI
202332AQI
30
1
27
1
26
5
22
8
28
3
29
1
30
1
31
30
31
27
2
31
342
22
Highest AQI recorded in
April43AQI
Lowest AQI recorded in
August21AQI
202233AQI
31
19
2
29
2
16
1
26
5
20
10
19
2
1
29
29
2
29
1
30
1
278
26
Highest AQI recorded in
June45AQI
Lowest AQI recorded in
August25AQI
202129AQI
30
1
28
29
2
30
27
4
25
5
29
2
26
5
28
2
30
1
26
4
22
9
330
35
Highest AQI recorded in
June40AQI
Lowest AQI recorded in
February14AQI
202017AQI
13
21
18
30
31
31
19
31
29
1
31
254
1
Highest AQI recorded in
March23AQI
Lowest AQI recorded in
April12AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
33AQILeast Polluted Year Recorded
2020(Avg.)
17AQIChaahoncha's annual 2025 AQI (31) shows an average percentage change of 13.9% (worsened AQI) compared to previous years: 2020 (17), 2021 (29), 2022 (33), 2023 (32), 2024 (33).
