Chuo, Konosu, 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
Chuo, Konosu, Saitama, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
69AQILowest AQI recorded on
8th Aug 2021
14AQISame Day Analysis (12th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 35 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 12th Aug - 13th Aug 2025
Chuo, Konosu, Saitama, Japan
AQI
Day
Night
.
4 AM12th Aug 2025
6 PM
3 AM13th Aug 2025
Day time
Avg. Highest Time
4AM12th Aug
41AQI
Avg. Lowest Time
9AM12th Aug
23AQI
Night time
Avg. Highest Time
2AM13th Aug
40AQI
Avg. Lowest Time
7PM12th Aug
29AQI
In the last 24 hours,
Chuo's AQI reached its highest point of 41 at 4 AM during the Day, while the lowest point, 23, was recorded at 9 AM during the Day between 12th Aug and 13th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Chuo, Konosu, Saitama, Japan
JulAug
14th - 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 - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th
Day
Night
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 20251910 AMAQI
14th Jul 20251811 AMAQI
14th Jul 20252412 PMAQI
14th Jul 2025351 PMAQI
14th Jul 2025342 PMAQI
14th Jul 2025363 PMAQI
14th Jul 2025374 PMAQI
14th Jul 2025365 PMAQI
14th Jul 2025376 PMAQI
14th Jul 2025417 PMAQI
14th Jul 2025388 PMAQI
14th Jul 2025549 PMAQI
14th Jul 20255410 PMAQI
14th Jul 20255411 PMAQI
15th Jul 20255412 AMAQI
15th Jul 2025541 AMAQI
15th Jul 2025572 AMAQI
15th Jul 2025573 AMAQI
26°C24/29°C
15th Jul 2025564 AMAQI
15th Jul 2025565 AMAQI
15th Jul 2025566 AMAQI
15th Jul 2025557 AMAQI
15th Jul 2025558 AMAQI
15th Jul 2025319 AMAQI
15th Jul 20252910 AMAQI
15th Jul 20252411 AMAQI
15th Jul 20252012 PMAQI
15th Jul 2025391 PMAQI
15th Jul 2025382 PMAQI
15th Jul 2025393 PMAQI
15th Jul 2025404 PMAQI
15th Jul 2025345 PMAQI
15th Jul 2025386 PMAQI
15th Jul 2025397 PMAQI
15th Jul 2025358 PMAQI
15th Jul 2025529 PMAQI
15th Jul 20255210 PMAQI
15th Jul 20255211 PMAQI
16th Jul 20255212 AMAQI
16th Jul 2025531 AMAQI
16th Jul 2025542 AMAQI
16th Jul 2025553 AMAQI
28°C26/33°C
16th Jul 2025544 AMAQI
16th Jul 2025535 AMAQI
16th Jul 2025546 AMAQI
16th Jul 2025547 AMAQI
16th Jul 2025548 AMAQI
16th Jul 2025559 AMAQI
16th Jul 20255410 AMAQI
16th Jul 20253811 AMAQI
16th Jul 20253212 PMAQI
16th Jul 2025381 PMAQI
16th Jul 2025362 PMAQI
16th Jul 2025323 PMAQI
16th Jul 2025354 PMAQI
16th Jul 2025375 PMAQI
16th Jul 2025346 PMAQI
16th Jul 2025347 PMAQI
16th Jul 2025338 PMAQI
16th Jul 2025499 PMAQI
16th Jul 20255010 PMAQI
16th Jul 20255011 PMAQI
17th Jul 20255012 AMAQI
17th Jul 2025511 AMAQI
17th Jul 2025532 AMAQI
17th Jul 2025533 AMAQI
29°C25/33°C
17th Jul 2025524 AMAQI
17th Jul 2025525 AMAQI
17th Jul 2025526 AMAQI
17th Jul 2025527 AMAQI
17th Jul 2025528 AMAQI
17th Jul 2025259 AMAQI
17th Jul 20252410 AMAQI
17th Jul 20253211 AMAQI
17th Jul 20253112 PMAQI
17th Jul 2025371 PMAQI
17th Jul 2025362 PMAQI
17th Jul 2025373 PMAQI
17th Jul 2025384 PMAQI
17th Jul 2025365 PMAQI
17th Jul 2025386 PMAQI
17th Jul 2025417 PMAQI
17th Jul 2025488 PMAQI
17th Jul 2025489 PMAQI
17th Jul 20254810 PMAQI
17th Jul 20254711 PMAQI
18th Jul 20254812 AMAQI
18th Jul 2025501 AMAQI
18th Jul 2025522 AMAQI
18th Jul 2025513 AMAQI
30°C27/33°C
18th Jul 2025514 AMAQI
18th Jul 2025505 AMAQI
18th Jul 2025506 AMAQI
18th Jul 2025497 AMAQI
18th Jul 2025508 AMAQI
18th Jul 2025389 AMAQI
18th Jul 20253510 AMAQI
18th Jul 20253411 AMAQI
18th Jul 20252812 PMAQI
18th Jul 2025341 PMAQI
18th Jul 2025362 PMAQI
18th Jul 2025343 PMAQI
18th Jul 2025324 PMAQI
18th Jul 2025345 PMAQI
18th Jul 2025366 PMAQI
18th Jul 2025367 PMAQI
18th Jul 2025378 PMAQI
18th Jul 2025469 PMAQI
18th Jul 20254510 PMAQI
18th Jul 20254511 PMAQI
19th Jul 20254612 AMAQI
19th Jul 2025461 AMAQI
19th Jul 2025482 AMAQI
19th Jul 2025493 AMAQI
29°C26/34°C
19th Jul 2025484 AMAQI
19th Jul 2025485 AMAQI
19th Jul 2025486 AMAQI
19th Jul 2025487 AMAQI
19th Jul 2025498 AMAQI
19th Jul 2025329 AMAQI
19th Jul 20253010 AMAQI
19th Jul 20253711 AMAQI
19th Jul 20252812 PMAQI
19th Jul 2025271 PMAQI
19th Jul 2025272 PMAQI
19th Jul 2025283 PMAQI
19th Jul 2025304 PMAQI
19th Jul 2025285 PMAQI
19th Jul 2025336 PMAQI
19th Jul 2025327 PMAQI
19th Jul 2025358 PMAQI
19th Jul 2025409 PMAQI
19th Jul 20254010 PMAQI
19th Jul 20254011 PMAQI
20th Jul 20254012 AMAQI
20th Jul 2025421 AMAQI
20th Jul 2025462 AMAQI
20th Jul 2025463 AMAQI
30°C26/35°C
20th Jul 2025464 AMAQI
20th Jul 2025435 AMAQI
20th Jul 2025446 AMAQI
20th Jul 2025447 AMAQI
20th Jul 2025448 AMAQI
20th Jul 2025329 AMAQI
20th Jul 20252610 AMAQI
20th Jul 20253611 AMAQI
20th Jul 20254012 PMAQI
20th Jul 2025391 PMAQI
20th Jul 2025372 PMAQI
20th Jul 2025343 PMAQI
20th Jul 2025364 PMAQI
20th Jul 2025345 PMAQI
20th Jul 2025346 PMAQI
20th Jul 2025327 PMAQI
20th Jul 2025368 PMAQI
20th Jul 2025389 PMAQI
20th Jul 20253810 PMAQI
20th Jul 20253711 PMAQI
21st Jul 20253712 AMAQI
21st Jul 2025391 AMAQI
21st Jul 2025422 AMAQI
21st Jul 2025423 AMAQI
31°C27/37°C
21st Jul 2025424 AMAQI
21st Jul 2025405 AMAQI
21st Jul 2025406 AMAQI
21st Jul 2025417 AMAQI
21st Jul 2025408 AMAQI
21st Jul 2025309 AMAQI
21st Jul 20253010 AMAQI
21st Jul 20254311 AMAQI
21st Jul 20254612 PMAQI
21st Jul 2025441 PMAQI
21st Jul 2025462 PMAQI
21st Jul 2025453 PMAQI
21st Jul 2025494 PMAQI
21st Jul 2025505 PMAQI
21st Jul 2025426 PMAQI
21st Jul 2025377 PMAQI
21st Jul 2025368 PMAQI
21st Jul 2025379 PMAQI
21st Jul 20253610 PMAQI
21st Jul 20253611 PMAQI
22nd Jul 20253612 AMAQI
22nd Jul 2025371 AMAQI
22nd Jul 2025402 AMAQI
22nd Jul 2025393 AMAQI
32°C27/38°C
22nd Jul 2025394 AMAQI
22nd Jul 2025405 AMAQI
22nd Jul 2025396 AMAQI
22nd Jul 2025397 AMAQI
22nd Jul 2025418 AMAQI
22nd Jul 2025299 AMAQI
22nd Jul 20253210 AMAQI
22nd Jul 20254311 AMAQI
22nd Jul 20254912 PMAQI
22nd Jul 2025451 PMAQI
22nd Jul 2025482 PMAQI
22nd Jul 2025493 PMAQI
22nd Jul 2025514 PMAQI
22nd Jul 2025535 PMAQI
22nd Jul 2025386 PMAQI
22nd Jul 2025377 PMAQI
22nd Jul 2025368 PMAQI
22nd Jul 2025359 PMAQI
22nd Jul 20253410 PMAQI
22nd Jul 20253311 PMAQI
23rd Jul 20253412 AMAQI
23rd Jul 2025341 AMAQI
23rd Jul 2025382 AMAQI
23rd Jul 2025373 AMAQI
33°C28/38°C
23rd Jul 2025384 AMAQI
23rd Jul 2025395 AMAQI
23rd Jul 2025406 AMAQI
23rd Jul 2025407 AMAQI
23rd Jul 2025408 AMAQI
23rd Jul 2025289 AMAQI
23rd Jul 20253410 AMAQI
23rd Jul 20255011 AMAQI
23rd Jul 20255612 PMAQI
23rd Jul 2025551 PMAQI
23rd Jul 2025552 PMAQI
23rd Jul 2025563 PMAQI
23rd Jul 2025604 PMAQI
23rd Jul 2025565 PMAQI
23rd Jul 2025536 PMAQI
23rd Jul 2025447 PMAQI
23rd Jul 2025448 PMAQI
23rd Jul 2025389 PMAQI
23rd Jul 20253310 PMAQI
23rd Jul 20253411 PMAQI
24th Jul 20253412 AMAQI
24th Jul 2025361 AMAQI
24th Jul 2025372 AMAQI
24th Jul 2025373 AMAQI
33°C28/39°C
24th Jul 2025384 AMAQI
24th Jul 2025405 AMAQI
24th Jul 2025406 AMAQI
24th Jul 2025407 AMAQI
24th Jul 2025408 AMAQI
24th Jul 2025369 AMAQI
24th Jul 20254210 AMAQI
24th Jul 20255511 AMAQI
24th Jul 20256012 PMAQI
24th Jul 2025561 PMAQI
24th Jul 2025582 PMAQI
24th Jul 2025573 PMAQI
24th Jul 2025584 PMAQI
24th Jul 2025595 PMAQI
24th Jul 2025516 PMAQI
24th Jul 2025427 PMAQI
24th Jul 2025418 PMAQI
24th Jul 2025389 PMAQI
24th Jul 20253610 PMAQI
24th Jul 20253611 PMAQI
25th Jul 20253512 AMAQI
25th Jul 2025361 AMAQI
25th Jul 2025372 AMAQI
25th Jul 2025383 AMAQI
33°C28/39°C
25th Jul 2025384 AMAQI
25th Jul 2025405 AMAQI
25th Jul 2025416 AMAQI
25th Jul 2025417 AMAQI
25th Jul 2025408 AMAQI
25th Jul 2025339 AMAQI
25th Jul 20254210 AMAQI
25th Jul 20255811 AMAQI
25th Jul 20255812 PMAQI
25th Jul 2025561 PMAQI
25th Jul 2025562 PMAQI
25th Jul 2025573 PMAQI
25th Jul 2025564 PMAQI
25th Jul 2025465 PMAQI
25th Jul 2025356 PMAQI
25th Jul 2025347 PMAQI
25th Jul 2025368 PMAQI
25th Jul 2025369 PMAQI
25th Jul 20253410 PMAQI
25th Jul 20253511 PMAQI
26th Jul 20253412 AMAQI
26th Jul 2025341 AMAQI
26th Jul 2025382 AMAQI
26th Jul 2025393 AMAQI
33°C29/39°C
26th Jul 2025384 AMAQI
26th Jul 2025415 AMAQI
26th Jul 2025426 AMAQI
26th Jul 2025427 AMAQI
26th Jul 2025428 AMAQI
26th Jul 2025459 AMAQI
26th Jul 20255610 AMAQI
26th Jul 20255711 AMAQI
26th Jul 20256412 PMAQI
26th Jul 2025571 PMAQI
26th Jul 2025582 PMAQI
26th Jul 2025583 PMAQI
26th Jul 2025564 PMAQI
26th Jul 2025425 PMAQI
26th Jul 2025376 PMAQI
26th Jul 2025367 PMAQI
26th Jul 2025358 PMAQI
26th Jul 2025359 PMAQI
26th Jul 20253310 PMAQI
26th Jul 20253411 PMAQI
27th Jul 20253412 AMAQI
27th Jul 2025351 AMAQI
27th Jul 2025382 AMAQI
27th Jul 2025383 AMAQI
33°C28/39°C
27th Jul 2025394 AMAQI
27th Jul 2025425 AMAQI
27th Jul 2025426 AMAQI
27th Jul 2025427 AMAQI
27th Jul 2025428 AMAQI
27th Jul 2025449 AMAQI
27th Jul 20255210 AMAQI
27th Jul 20255411 AMAQI
27th Jul 20255312 PMAQI
27th Jul 2025511 PMAQI
27th Jul 2025522 PMAQI
27th Jul 2025523 PMAQI
27th Jul 2025504 PMAQI
27th Jul 2025405 PMAQI
27th Jul 2025326 PMAQI
27th Jul 2025307 PMAQI
27th Jul 2025308 PMAQI
27th Jul 2025349 PMAQI
27th Jul 20253310 PMAQI
27th Jul 20253211 PMAQI
28th Jul 20253312 AMAQI
28th Jul 2025351 AMAQI
28th Jul 2025382 AMAQI
28th Jul 2025393 AMAQI
33°C28/38°C
28th Jul 2025394 AMAQI
28th Jul 2025415 AMAQI
28th Jul 2025426 AMAQI
28th Jul 2025417 AMAQI
28th Jul 2025428 AMAQI
28th Jul 2025299 AMAQI
28th Jul 20253110 AMAQI
28th Jul 20254411 AMAQI
28th Jul 20255312 PMAQI
28th Jul 2025521 PMAQI
28th Jul 2025522 PMAQI
28th Jul 2025503 PMAQI
28th Jul 2025474 PMAQI
28th Jul 2025485 PMAQI
28th Jul 2025566 PMAQI
28th Jul 2025557 PMAQI
28th Jul 2025468 PMAQI
28th Jul 2025399 PMAQI
28th Jul 20253810 PMAQI
28th Jul 20253511 PMAQI
29th Jul 20253612 AMAQI
29th Jul 2025361 AMAQI
29th Jul 2025392 AMAQI
29th Jul 2025383 AMAQI
33°C29/38°C
29th Jul 2025394 AMAQI
29th Jul 2025415 AMAQI
29th Jul 2025416 AMAQI
29th Jul 2025417 AMAQI
29th Jul 2025408 AMAQI
29th Jul 2025289 AMAQI
29th Jul 20253110 AMAQI
29th Jul 20254411 AMAQI
29th Jul 20255312 PMAQI
29th Jul 2025501 PMAQI
29th Jul 2025502 PMAQI
29th Jul 2025473 PMAQI
29th Jul 2025464 PMAQI
29th Jul 2025505 PMAQI
29th Jul 2025436 PMAQI
29th Jul 2025367 PMAQI
29th Jul 2025348 PMAQI
29th Jul 2025349 PMAQI
29th Jul 20253310 PMAQI
29th Jul 20253311 PMAQI
30th Jul 20253312 AMAQI
30th Jul 2025341 AMAQI
30th Jul 2025382 AMAQI
30th Jul 2025383 AMAQI
33°C28/39°C
30th Jul 2025394 AMAQI
30th Jul 2025415 AMAQI
30th Jul 2025406 AMAQI
30th Jul 2025407 AMAQI
30th Jul 2025408 AMAQI
30th Jul 2025239 AMAQI
30th Jul 20251910 AMAQI
30th Jul 20252211 AMAQI
30th Jul 20252812 PMAQI
30th Jul 2025291 PMAQI
30th Jul 2025312 PMAQI
30th Jul 2025333 PMAQI
30th Jul 2025344 PMAQI
30th Jul 2025325 PMAQI
30th Jul 2025336 PMAQI
30th Jul 2025367 PMAQI
30th Jul 2025388 PMAQI
30th Jul 2025389 PMAQI
30th Jul 20253810 PMAQI
30th Jul 20253511 PMAQI
31st Jul 20253412 AMAQI
31st Jul 2025361 AMAQI
31st Jul 2025362 AMAQI
31st Jul 2025373 AMAQI
31°C27/37°C
31st Jul 2025364 AMAQI
31st Jul 2025365 AMAQI
31st Jul 2025366 AMAQI
31st Jul 2025367 AMAQI
31st Jul 2025368 AMAQI
31st Jul 2025369 AMAQI
31st Jul 20253610 AMAQI
31st Jul 20254111 AMAQI
31st Jul 20254712 PMAQI
31st Jul 2025421 PMAQI
31st Jul 2025402 PMAQI
31st Jul 2025393 PMAQI
31st Jul 2025354 PMAQI
31st Jul 2025345 PMAQI
31st Jul 2025306 PMAQI
31st Jul 2025287 PMAQI
31st Jul 2025318 PMAQI
31st Jul 2025289 PMAQI
31st Jul 20253010 PMAQI
31st Jul 20252611 PMAQI
1st Aug 20252712 AMAQI
1st Aug 2025301 AMAQI
1st Aug 2025332 AMAQI
1st Aug 2025353 AMAQI
30°C26/36°C
1st Aug 2025364 AMAQI
1st Aug 2025355 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025347 AMAQI
1st Aug 2025368 AMAQI
1st Aug 2025359 AMAQI
1st Aug 20253610 AMAQI
1st Aug 20253911 AMAQI
1st Aug 20255012 PMAQI
1st Aug 2025371 PMAQI
1st Aug 2025392 PMAQI
1st Aug 2025313 PMAQI
1st Aug 2025414 PMAQI
1st Aug 2025355 PMAQI
1st Aug 2025376 PMAQI
1st Aug 2025287 PMAQI
1st Aug 2025288 PMAQI
1st Aug 2025309 PMAQI
1st Aug 20253010 PMAQI
1st Aug 20252811 PMAQI
2nd Aug 20252812 AMAQI
2nd Aug 2025341 AMAQI
2nd Aug 2025382 AMAQI
2nd Aug 2025393 AMAQI
28°C26/32°C
2nd Aug 2025384 AMAQI
2nd Aug 2025375 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025398 AMAQI
2nd Aug 2025349 AMAQI
2nd Aug 20253210 AMAQI
2nd Aug 20254611 AMAQI
2nd Aug 20253812 PMAQI
2nd Aug 2025451 PMAQI
2nd Aug 2025542 PMAQI
2nd Aug 2025573 PMAQI
2nd Aug 2025484 PMAQI
2nd Aug 2025475 PMAQI
2nd Aug 2025496 PMAQI
2nd Aug 2025557 PMAQI
2nd Aug 2025418 PMAQI
2nd Aug 2025389 PMAQI
2nd Aug 20253610 PMAQI
2nd Aug 20254411 PMAQI
3rd Aug 20253312 AMAQI
3rd Aug 2025341 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025373 AMAQI
32°C27/39°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 20255610 AMAQI
3rd Aug 20255311 AMAQI
3rd Aug 20255912 PMAQI
3rd Aug 2025541 PMAQI
3rd Aug 2025602 PMAQI
3rd Aug 2025533 PMAQI
3rd Aug 2025484 PMAQI
3rd Aug 2025525 PMAQI
3rd Aug 2025546 PMAQI
3rd Aug 2025457 PMAQI
3rd Aug 2025448 PMAQI
3rd Aug 2025409 PMAQI
3rd Aug 20254010 PMAQI
3rd Aug 20254011 PMAQI
4th Aug 20253812 AMAQI
4th Aug 2025381 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025403 AMAQI
33°C28/38°C
4th Aug 2025414 AMAQI
4th Aug 2025425 AMAQI
4th Aug 2025426 AMAQI
4th Aug 2025427 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025609 AMAQI
4th Aug 20256410 AMAQI
4th Aug 20257411 AMAQI
4th Aug 20257212 PMAQI
4th Aug 2025801 PMAQI
4th Aug 2025802 PMAQI
4th Aug 2025773 PMAQI
4th Aug 2025854 PMAQI
4th Aug 2025915 PMAQI
4th Aug 2025846 PMAQI
4th Aug 2025707 PMAQI
4th Aug 2025668 PMAQI
4th Aug 2025619 PMAQI
4th Aug 20255810 PMAQI
4th Aug 20255011 PMAQI
5th Aug 20255412 AMAQI
5th Aug 2025431 AMAQI
5th Aug 2025412 AMAQI
5th Aug 2025403 AMAQI
34°C28/40°C
5th Aug 2025514 AMAQI
5th Aug 2025535 AMAQI
5th Aug 2025526 AMAQI
5th Aug 2025527 AMAQI
5th Aug 2025528 AMAQI
5th Aug 2025589 AMAQI
5th Aug 20256410 AMAQI
5th Aug 20256111 AMAQI
5th Aug 20256912 PMAQI
5th Aug 2025571 PMAQI
5th Aug 2025542 PMAQI
5th Aug 2025563 PMAQI
5th Aug 2025604 PMAQI
5th Aug 2025545 PMAQI
5th Aug 2025536 PMAQI
5th Aug 2025427 PMAQI
5th Aug 2025468 PMAQI
5th Aug 2025459 PMAQI
5th Aug 20254510 PMAQI
5th Aug 20254211 PMAQI
6th Aug 20254512 AMAQI
6th Aug 2025481 AMAQI
6th Aug 2025502 AMAQI
6th Aug 2025483 AMAQI
35°C30/41°C
6th Aug 2025524 AMAQI
6th Aug 2025525 AMAQI
6th Aug 2025526 AMAQI
6th Aug 2025527 AMAQI
6th Aug 2025528 AMAQI
6th Aug 2025439 AMAQI
6th Aug 20254510 AMAQI
6th Aug 20253911 AMAQI
6th Aug 20254812 PMAQI
6th Aug 2025511 PMAQI
6th Aug 2025582 PMAQI
6th Aug 2025523 PMAQI
6th Aug 2025514 PMAQI
6th Aug 2025555 PMAQI
6th Aug 2025486 PMAQI
6th Aug 2025567 PMAQI
6th Aug 2025548 PMAQI
6th Aug 2025499 PMAQI
6th Aug 20255010 PMAQI
6th Aug 20254811 PMAQI
7th Aug 20254412 AMAQI
7th Aug 2025481 AMAQI
7th Aug 2025522 AMAQI
7th Aug 2025513 AMAQI
33°C29/39°C
7th Aug 2025524 AMAQI
7th Aug 2025505 AMAQI
7th Aug 2025516 AMAQI
7th Aug 2025477 AMAQI
7th Aug 2025508 AMAQI
7th Aug 2025409 AMAQI
7th Aug 20254010 AMAQI
7th Aug 20254711 AMAQI
7th Aug 20254112 PMAQI
7th Aug 2025341 PMAQI
7th Aug 2025272 PMAQI
7th Aug 2025243 PMAQI
7th Aug 2025314 PMAQI
7th Aug 2025365 PMAQI
7th Aug 2025406 PMAQI
7th Aug 2025387 PMAQI
7th Aug 2025428 PMAQI
7th Aug 2025469 PMAQI
7th Aug 20254610 PMAQI
7th Aug 20254611 PMAQI
8th Aug 20254512 AMAQI
8th Aug 2025461 AMAQI
8th Aug 2025482 AMAQI
8th Aug 2025483 AMAQI
30°C28/33°C
8th Aug 2025484 AMAQI
8th Aug 2025465 AMAQI
8th Aug 2025466 AMAQI
8th Aug 2025467 AMAQI
8th Aug 2025468 AMAQI
8th Aug 2025329 AMAQI
8th Aug 20252210 AMAQI
8th Aug 20252411 AMAQI
8th Aug 20252512 PMAQI
8th Aug 2025301 PMAQI
8th Aug 2025332 PMAQI
8th Aug 2025353 PMAQI
8th Aug 2025364 PMAQI
8th Aug 2025345 PMAQI
8th Aug 2025446 PMAQI
8th Aug 2025447 PMAQI
8th Aug 2025438 PMAQI
8th Aug 2025449 PMAQI
8th Aug 20254110 PMAQI
8th Aug 20254211 PMAQI
9th Aug 20254012 AMAQI
9th Aug 2025421 AMAQI
9th Aug 2025482 AMAQI
9th Aug 2025483 AMAQI
29°C23/37°C
9th Aug 2025464 AMAQI
9th Aug 2025445 AMAQI
9th Aug 2025446 AMAQI
9th Aug 2025447 AMAQI
9th Aug 2025448 AMAQI
9th Aug 2025309 AMAQI
9th Aug 20253610 AMAQI
9th Aug 20253311 AMAQI
9th Aug 20253912 PMAQI
9th Aug 2025401 PMAQI
9th Aug 2025412 PMAQI
9th Aug 2025373 PMAQI
9th Aug 2025374 PMAQI
9th Aug 2025425 PMAQI
9th Aug 2025446 PMAQI
9th Aug 2025467 PMAQI
9th Aug 2025448 PMAQI
9th Aug 2025459 PMAQI
9th Aug 20254510 PMAQI
9th Aug 20254611 PMAQI
10th Aug 20254612 AMAQI
10th Aug 2025451 AMAQI
10th Aug 2025442 AMAQI
10th Aug 2025433 AMAQI
29°C24/34°C
10th Aug 2025434 AMAQI
10th Aug 2025415 AMAQI
10th Aug 2025426 AMAQI
10th Aug 2025427 AMAQI
10th Aug 2025428 AMAQI
10th Aug 2025399 AMAQI
10th Aug 20253810 AMAQI
10th Aug 20253611 AMAQI
10th Aug 20253012 PMAQI
10th Aug 2025291 PMAQI
10th Aug 2025252 PMAQI
10th Aug 2025253 PMAQI
10th Aug 2025244 PMAQI
10th Aug 2025275 PMAQI
10th Aug 2025256 PMAQI
10th Aug 2025287 PMAQI
10th Aug 2025348 PMAQI
10th Aug 2025409 PMAQI
10th Aug 20254010 PMAQI
10th Aug 20253911 PMAQI
11th Aug 20253912 AMAQI
11th Aug 2025411 AMAQI
11th Aug 2025442 AMAQI
11th Aug 2025443 AMAQI
25°C24/25°C
11th Aug 2025434 AMAQI
11th Aug 2025425 AMAQI
11th Aug 2025436 AMAQI
11th Aug 2025427 AMAQI
11th Aug 2025428 AMAQI
11th Aug 2025339 AMAQI
11th Aug 20253210 AMAQI
11th Aug 20252811 AMAQI
11th Aug 20252212 PMAQI
11th Aug 2025241 PMAQI
11th Aug 2025282 PMAQI
11th Aug 2025343 PMAQI
11th Aug 2025304 PMAQI
11th Aug 2025475 PMAQI
11th Aug 2025346 PMAQI
11th Aug 2025347 PMAQI
11th Aug 2025408 PMAQI
11th Aug 2025369 PMAQI
11th Aug 20253810 PMAQI
11th Aug 20253811 PMAQI
12th Aug 20253812 AMAQI
12th Aug 2025451 AMAQI
12th Aug 2025462 AMAQI
12th Aug 2025423 AMAQI
26°C25/29°C
12th Aug 2025414 AMAQI
12th Aug 2025415 AMAQI
12th Aug 2025406 AMAQI
12th Aug 2025417 AMAQI
12th Aug 2025408 AMAQI
12th Aug 2025239 AMAQI
12th Aug 20253110 AMAQI
12th Aug 20253411 AMAQI
12th Aug 20253612 PMAQI
12th Aug 2025351 PMAQI
12th Aug 2025302 PMAQI
12th Aug 2025243 PMAQI
12th Aug 2025264 PMAQI
12th Aug 2025245 PMAQI
12th Aug 2025306 PMAQI
12th Aug 2025297 PMAQI
12th Aug 2025368 PMAQI
12th Aug 2025389 PMAQI
12th Aug 20253310 PMAQI
12th Aug 20253511 PMAQI
13th Aug 20253812 AMAQI
13th Aug 2025391 AMAQI
13th Aug 2025402 AMAQI
13th Aug 2025403 AMAQI
26°C25/27°C
13th Aug 2025384 AMAQI
4 AM13th Aug 2025375 AMAQI
13th Aug 2025386 AMAQI
13th Aug 2025387 AMAQI
13th Aug 2025388 AMAQI
13th Aug 2025309 AMAQI
13th Aug 20252810 AMAQI
13th Aug 20253011 AMAQI
11 AM13th Aug 20252212 PMAQI
13th Aug 2025321 PMAQI
13th Aug 2025382 PMAQI
13th Aug 2025293 PMAQI
13th Aug 2025304 PMAQI
13th Aug 2025325 PMAQI
13th Aug 2025246 PMAQI
6 PM13th Aug 2025227 PMAQI
13th Aug 2025308 PMAQI
13th Aug 2025289 PMAQI
13th Aug 20253110 PMAQI
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
44AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
9 AM - 10 AM
37AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 8 AM (Avg. 44), while the lowest AQI was between 9 AM to 10 AM (Avg. 37).
Night time
Avg. Highest Time
2 AM - 3 AM
44AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
7 PM - 8 PM
39AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 3 AM (Avg. 44), while the lowest AQI was between 7 PM to 8 PM (Avg. 39).
2025 Days Vs Air Quality
Chuo, Konosu, Saitama, Japan
2025
85%
190
15%
34
Total number of days with different AQI categories in last 225 days in 2025 (140 days remaining)
Good
190 DaysModerate
34 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2025, 85% of 225 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
Chuo, Konosu, 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
31AQI
31AQI
2nd January 2025
32AQI
32AQI
3rd January 2025
25AQI
25AQI
4th January 2025
27AQI
27AQI
5th January 2025
41AQI
41AQI
6th January 2025
53AQI
53AQI
7th January 2025
33AQI
33AQI
8th January 2025
36AQI
36AQI
9th January 2025
34AQI
34AQI
10th January 2025
28AQI
28AQI
11th January 2025
27AQI
27AQI
12th January 2025
43AQI
43AQI
13th January 2025
30AQI
30AQI
14th January 2025
39AQI
39AQI
15th January 2025
36AQI
36AQI
16th January 2025
33AQI
33AQI
17th January 2025
30AQI
30AQI
18th January 2025
35AQI
35AQI
19th January 2025
47AQI
47AQI
20th January 2025
42AQI
42AQI
21st January 2025
46AQI
46AQI
22nd January 2025
40AQI
40AQI
23rd January 2025
49AQI
49AQI
24th January 2025
50AQI
50AQI
25th January 2025
39AQI
39AQI
26th January 2025
37AQI
37AQI
27th January 2025
39AQI
39AQI
28th January 2025
44AQI
44AQI
29th January 2025
35AQI
35AQI
30th January 2025
36AQI
36AQI
31st January 2025
30AQI
30AQI
1st February 2025
47AQI
47AQI
2nd February 2025
37AQI
37AQI
3rd February 2025
45AQI
45AQI
4th February 2025
33AQI
33AQI
5th February 2025
35AQI
35AQI
6th February 2025
29AQI
29AQI
7th February 2025
34AQI
34AQI
8th February 2025
29AQI
29AQI
9th February 2025
30AQI
30AQI
10th February 2025
29AQI
29AQI
11th February 2025
31AQI
31AQI
12th February 2025
43AQI
43AQI
13th February 2025
35AQI
35AQI
14th February 2025
35AQI
35AQI
15th February 2025
32AQI
32AQI
16th February 2025
42AQI
42AQI
17th February 2025
37AQI
37AQI
18th February 2025
34AQI
34AQI
19th February 2025
31AQI
31AQI
20th February 2025
30AQI
30AQI
21st February 2025
31AQI
31AQI
22nd February 2025
32AQI
32AQI
23rd February 2025
32AQI
32AQI
24th February 2025
33AQI
33AQI
25th February 2025
33AQI
33AQI
26th February 2025
38AQI
38AQI
27th February 2025
44AQI
44AQI
28th February 2025
53AQI
53AQI
1st March 2025
55AQI
55AQI
2nd March 2025
63AQI
63AQI
3rd March 2025
40AQI
40AQI
4th March 2025
41AQI
41AQI
5th March 2025
28AQI
28AQI
6th March 2025
36AQI
36AQI
7th March 2025
32AQI
32AQI
8th March 2025
41AQI
41AQI
9th March 2025
37AQI
37AQI
10th March 2025
39AQI
39AQI
11th March 2025
41AQI
41AQI
12th March 2025
50AQI
50AQI
13th March 2025
49AQI
49AQI
14th March 2025
41AQI
41AQI
15th March 2025
44AQI
44AQI
16th March 2025
26AQI
26AQI
17th March 2025
23AQI
23AQI
18th March 2025
27AQI
27AQI
19th March 2025
18AQI
18AQI
20th March 2025
27AQI
27AQI
21st March 2025
40AQI
40AQI
22nd March 2025
48AQI
48AQI
23rd March 2025
57AQI
57AQI
24th March 2025
60AQI
60AQI
25th March 2025
75AQI
75AQI
26th March 2025
74AQI
74AQI
27th March 2025
76AQI
76AQI
28th March 2025
58AQI
58AQI
29th March 2025
36AQI
36AQI
30th March 2025
40AQI
40AQI
31st March 2025
32AQI
32AQI
1st April 2025
33AQI
33AQI
2nd April 2025
21AQI
21AQI
3rd April 2025
24AQI
24AQI
4th April 2025
22AQI
22AQI
5th April 2025
32AQI
32AQI
6th April 2025
26AQI
26AQI
7th April 2025
32AQI
32AQI
8th April 2025
41AQI
41AQI
9th April 2025
29AQI
29AQI
10th April 2025
49AQI
49AQI
11th April 2025
41AQI
41AQI
12th April 2025
44AQI
44AQI
13th April 2025
33AQI
33AQI
14th April 2025
36AQI
36AQI
15th April 2025
29AQI
29AQI
16th April 2025
32AQI
32AQI
17th April 2025
47AQI
47AQI
18th April 2025
56AQI
56AQI
19th April 2025
68AQI
68AQI
20th April 2025
63AQI
63AQI
21st April 2025
50AQI
50AQI
22nd April 2025
53AQI
53AQI
23rd April 2025
35AQI
35AQI
24th April 2025
45AQI
45AQI
25th April 2025
45AQI
45AQI
26th April 2025
51AQI
51AQI
27th April 2025
52AQI
52AQI
28th April 2025
53AQI
53AQI
29th April 2025
38AQI
38AQI
30th April 2025
50AQI
50AQI
1st May 2025
42AQI
42AQI
2nd May 2025
33AQI
33AQI
3rd May 2025
34AQI
34AQI
4th May 2025
40AQI
40AQI
5th May 2025
37AQI
37AQI
6th May 2025
34AQI
34AQI
7th May 2025
26AQI
26AQI
8th May 2025
35AQI
35AQI
9th May 2025
34AQI
34AQI
10th May 2025
24AQI
24AQI
11th May 2025
23AQI
23AQI
12th May 2025
26AQI
26AQI
13th May 2025
37AQI
37AQI
14th May 2025
42AQI
42AQI
15th May 2025
42AQI
42AQI
16th May 2025
50AQI
50AQI
17th May 2025
30AQI
30AQI
18th May 2025
46AQI
46AQI
19th May 2025
44AQI
44AQI
20th May 2025
63AQI
63AQI
21st May 2025
63AQI
63AQI
22nd May 2025
54AQI
54AQI
23rd May 2025
51AQI
51AQI
24th May 2025
47AQI
47AQI
25th May 2025
34AQI
34AQI
26th May 2025
33AQI
33AQI
27th May 2025
28AQI
28AQI
28th May 2025
30AQI
30AQI
29th May 2025
34AQI
34AQI
30th May 2025
29AQI
29AQI
31st May 2025
19AQI
19AQI
1st June 2025
23AQI
23AQI
2nd June 2025
31AQI
31AQI
3rd June 2025
36AQI
36AQI
4th June 2025
30AQI
30AQI
5th June 2025
42AQI
42AQI
6th June 2025
46AQI
46AQI
7th June 2025
52AQI
52AQI
8th June 2025
60AQI
60AQI
9th June 2025
54AQI
54AQI
10th June 2025
38AQI
38AQI
11th June 2025
34AQI
34AQI
12th June 2025
41AQI
41AQI
13th June 2025
44AQI
44AQI
14th June 2025
39AQI
39AQI
15th June 2025
33AQI
33AQI
16th June 2025
40AQI
40AQI
17th June 2025
47AQI
47AQI
18th June 2025
45AQI
45AQI
19th June 2025
46AQI
46AQI
20th June 2025
45AQI
45AQI
21st June 2025
41AQI
41AQI
22nd June 2025
37AQI
37AQI
23rd June 2025
35AQI
35AQI
24th June 2025
34AQI
34AQI
25th June 2025
29AQI
29AQI
26th June 2025
29AQI
29AQI
27th June 2025
33AQI
33AQI
28th June 2025
33AQI
33AQI
29th June 2025
38AQI
38AQI
30th June 2025
40AQI
40AQI
1st July 2025
42AQI
42AQI
2nd July 2025
44AQI
44AQI
3rd July 2025
49AQI
49AQI
4th July 2025
48AQI
48AQI
5th July 2025
48AQI
48AQI
6th July 2025
55AQI
55AQI
7th July 2025
71AQI
71AQI
8th July 2025
74AQI
74AQI
9th July 2025
77AQI
77AQI
10th July 2025
65AQI
65AQI
11th July 2025
55AQI
55AQI
12th July 2025
56AQI
56AQI
13th July 2025
56AQI
56AQI
14th July 2025
47AQI
47AQI
15th July 2025
46AQI
46AQI
16th July 2025
47AQI
47AQI
17th July 2025
45AQI
45AQI
18th July 2025
43AQI
43AQI
19th July 2025
40AQI
40AQI
20th July 2025
39AQI
39AQI
21st July 2025
39AQI
39AQI
22nd July 2025
39AQI
39AQI
23rd July 2025
41AQI
41AQI
24th July 2025
42AQI
42AQI
25th July 2025
40AQI
40AQI
26th July 2025
41AQI
41AQI
27th July 2025
39AQI
39AQI
28th July 2025
41AQI
41AQI
29th July 2025
39AQI
39AQI
30th July 2025
34AQI
34AQI
31st July 2025
35AQI
35AQI
1st August 2025
34AQI
34AQI
2nd August 2025
42AQI
42AQI
3rd August 2025
44AQI
44AQI
4th August 2025
59AQI
59AQI
5th August 2025
51AQI
51AQI
6th August 2025
50AQI
50AQI
7th August 2025
44AQI
44AQI
8th August 2025
41AQI
41AQI
9th August 2025
42AQI
42AQI
10th August 2025
38AQI
38AQI
11th August 2025
37AQI
37AQI
12th August 2025
35AQI
35AQI
37AQI
36AQI
44AQI
41AQI
38AQI
39AQI
48AQI
43AQI
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
10
2
190
34
Highest AQI recorded in
July48AQI
Lowest AQI recorded in
February36AQI
202441AQI
27
4
25
4
25
6
14
16
26
5
24
6
14
17
29
2
28
2
26
5
24
6
29
2
291
75
Highest AQI recorded in
April53AQI
Lowest AQI recorded in
August33AQI
202343AQI
23
8
19
9
18
13
17
13
25
6
22
8
17
14
29
2
28
2
26
5
17
12
19
12
260
104
Highest AQI recorded in
April51AQI
Lowest AQI recorded in
August31AQI
202240AQI
26
4
16
5
19
12
19
11
25
6
17
13
17
4
1
27
1
25
6
19
11
30
1
241
74
Highest AQI recorded in
August50AQI
Lowest AQI recorded in
September30AQI
202140AQI
22
9
21
7
20
10
1
25
5
24
7
25
5
29
2
27
4
27
3
27
4
19
11
23
8
289
75
1
Highest AQI recorded in
March45AQI
Lowest AQI recorded in
August34AQI
202038AQI
11
2
18
3
17
1
23
7
28
3
19
12
19
26
5
15
15
21
10
197
58
Highest AQI recorded in
November49AQI
Lowest AQI recorded in
September16AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
43AQILeast Polluted Year Recorded
2020(Avg.)
38AQIChuo's annual 2025 AQI (40) shows an average percentage change of 0.04% (worsened AQI) compared to previous years: 2020 (38), 2021 (40), 2022 (40), 2023 (43), 2024 (41).
