Kokubunji, Tokyo, 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
Kokubunji, Tokyo, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Aug 2022
80AQILowest AQI recorded on
7th Aug 2021
12AQISame Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 48 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Kokubunji, Tokyo, Japan
AQI
Day
Night
.
4 AM4th Aug 2025
6 PM
3 AM5th Aug 2025
Day time
Avg. Highest Time
2PM4th Aug
94AQI
Avg. Lowest Time
4AM4th Aug
42AQI
Night time
Avg. Highest Time
7PM4th Aug
75AQI
Avg. Lowest Time
3AM5th Aug
41AQI
In the last 24 hours,
Kokubunji's AQI reached its highest point of 94 at 2 PM during the Day, while the lowest point, 41, was recorded at 3 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Kokubunji, Tokyo, Japan
JulAug
06th - 07th07th - 08th08th - 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
Day
Night
6th Jul 2025434 AMAQI
6th Jul 2025455 AMAQI
6th Jul 2025456 AMAQI
6th Jul 2025467 AMAQI
6th Jul 2025468 AMAQI
6th Jul 2025549 AMAQI
6th Jul 20256210 AMAQI
6th Jul 20256711 AMAQI
6th Jul 20257012 PMAQI
6th Jul 2025661 PMAQI
6th Jul 2025652 PMAQI
6th Jul 2025643 PMAQI
6th Jul 2025644 PMAQI
6th Jul 2025635 PMAQI
6th Jul 2025736 PMAQI
6th Jul 2025877 PMAQI
6th Jul 2025808 PMAQI
6th Jul 2025629 PMAQI
6th Jul 20256310 PMAQI
6th Jul 20256111 PMAQI
7th Jul 20256212 AMAQI
7th Jul 2025581 AMAQI
7th Jul 2025472 AMAQI
7th Jul 2025473 AMAQI
31°C28/36°C
7th Jul 2025484 AMAQI
7th Jul 2025515 AMAQI
7th Jul 2025516 AMAQI
7th Jul 2025517 AMAQI
7th Jul 2025518 AMAQI
7th Jul 2025889 AMAQI
7th Jul 202510310 AMAQI
7th Jul 202510111 AMAQI
7th Jul 20259812 PMAQI
7th Jul 2025871 PMAQI
7th Jul 2025882 PMAQI
7th Jul 2025873 PMAQI
7th Jul 2025844 PMAQI
7th Jul 2025895 PMAQI
7th Jul 2025966 PMAQI
7th Jul 20251077 PMAQI
7th Jul 20251018 PMAQI
7th Jul 2025749 PMAQI
7th Jul 20257310 PMAQI
7th Jul 20257211 PMAQI
8th Jul 20257412 AMAQI
8th Jul 2025671 AMAQI
8th Jul 2025552 AMAQI
8th Jul 2025553 AMAQI
31°C28/35°C
8th Jul 2025564 AMAQI
8th Jul 2025605 AMAQI
8th Jul 2025606 AMAQI
8th Jul 2025617 AMAQI
8th Jul 2025618 AMAQI
8th Jul 20251089 AMAQI
8th Jul 202512310 AMAQI
8th Jul 202511511 AMAQI
8th Jul 202510812 PMAQI
8th Jul 2025911 PMAQI
8th Jul 2025862 PMAQI
8th Jul 2025823 PMAQI
8th Jul 2025804 PMAQI
8th Jul 2025815 PMAQI
8th Jul 2025836 PMAQI
8th Jul 2025867 PMAQI
8th Jul 2025858 PMAQI
8th Jul 2025769 PMAQI
8th Jul 20257610 PMAQI
8th Jul 20257611 PMAQI
9th Jul 20257612 AMAQI
9th Jul 2025741 AMAQI
9th Jul 2025642 AMAQI
9th Jul 2025643 AMAQI
30°C27/35°C
9th Jul 2025664 AMAQI
9th Jul 2025715 AMAQI
9th Jul 2025716 AMAQI
9th Jul 2025717 AMAQI
9th Jul 2025718 AMAQI
9th Jul 20251019 AMAQI
9th Jul 202510510 AMAQI
9th Jul 202510111 AMAQI
9th Jul 202511312 PMAQI
9th Jul 20251111 PMAQI
9th Jul 20251072 PMAQI
9th Jul 20251053 PMAQI
9th Jul 20251014 PMAQI
9th Jul 2025995 PMAQI
9th Jul 2025896 PMAQI
9th Jul 2025807 PMAQI
9th Jul 2025688 PMAQI
9th Jul 2025669 PMAQI
9th Jul 20256610 PMAQI
9th Jul 20256511 PMAQI
10th Jul 20256412 AMAQI
10th Jul 2025661 AMAQI
10th Jul 2025712 AMAQI
10th Jul 2025723 AMAQI
30°C27/34°C
10th Jul 2025734 AMAQI
10th Jul 2025765 AMAQI
10th Jul 2025766 AMAQI
10th Jul 2025767 AMAQI
10th Jul 2025768 AMAQI
10th Jul 2025709 AMAQI
10th Jul 20257010 AMAQI
10th Jul 20257611 AMAQI
10th Jul 20257912 PMAQI
10th Jul 2025721 PMAQI
10th Jul 2025552 PMAQI
10th Jul 2025403 PMAQI
10th Jul 2025384 PMAQI
10th Jul 2025385 PMAQI
10th Jul 2025386 PMAQI
10th Jul 2025397 PMAQI
10th Jul 2025468 PMAQI
10th Jul 2025609 PMAQI
10th Jul 20256110 PMAQI
10th Jul 20256011 PMAQI
11th Jul 20256112 AMAQI
11th Jul 2025641 AMAQI
11th Jul 2025702 AMAQI
11th Jul 2025703 AMAQI
29°C24/35°C
11th Jul 2025704 AMAQI
11th Jul 2025705 AMAQI
11th Jul 2025696 AMAQI
11th Jul 2025697 AMAQI
11th Jul 2025708 AMAQI
11th Jul 2025309 AMAQI
11th Jul 20252010 AMAQI
11th Jul 20252011 AMAQI
11th Jul 20252312 PMAQI
11th Jul 2025371 PMAQI
11th Jul 2025402 PMAQI
11th Jul 2025423 PMAQI
11th Jul 2025414 PMAQI
11th Jul 2025405 PMAQI
11th Jul 2025406 PMAQI
11th Jul 2025387 PMAQI
11th Jul 2025468 PMAQI
11th Jul 2025599 PMAQI
11th Jul 20255910 PMAQI
11th Jul 20256011 PMAQI
12th Jul 20256012 AMAQI
12th Jul 2025611 AMAQI
12th Jul 2025662 AMAQI
12th Jul 2025663 AMAQI
24°C23/26°C
12th Jul 2025654 AMAQI
12th Jul 2025635 AMAQI
12th Jul 2025626 AMAQI
12th Jul 2025637 AMAQI
12th Jul 2025628 AMAQI
12th Jul 2025399 AMAQI
12th Jul 20253710 AMAQI
12th Jul 20253811 AMAQI
12th Jul 20254212 PMAQI
12th Jul 2025511 PMAQI
12th Jul 2025522 PMAQI
12th Jul 2025513 PMAQI
12th Jul 2025544 PMAQI
12th Jul 2025535 PMAQI
12th Jul 2025526 PMAQI
12th Jul 2025517 PMAQI
12th Jul 2025518 PMAQI
12th Jul 2025579 PMAQI
12th Jul 20255610 PMAQI
12th Jul 20255711 PMAQI
13th Jul 20255712 AMAQI
13th Jul 2025591 AMAQI
13th Jul 2025622 AMAQI
13th Jul 2025623 AMAQI
25°C22/29°C
13th Jul 2025624 AMAQI
13th Jul 2025605 AMAQI
13th Jul 2025606 AMAQI
13th Jul 2025607 AMAQI
13th Jul 2025608 AMAQI
13th Jul 2025479 AMAQI
13th Jul 20254210 AMAQI
13th Jul 20254811 AMAQI
13th Jul 20255212 PMAQI
13th Jul 2025541 PMAQI
13th Jul 2025542 PMAQI
13th Jul 2025543 PMAQI
13th Jul 2025524 PMAQI
13th Jul 2025475 PMAQI
13th Jul 2025456 PMAQI
13th Jul 2025437 PMAQI
13th Jul 2025468 PMAQI
13th Jul 2025549 PMAQI
13th Jul 20255410 PMAQI
13th Jul 20255411 PMAQI
14th Jul 20255412 AMAQI
14th Jul 2025561 AMAQI
14th Jul 2025592 AMAQI
14th Jul 2025593 AMAQI
27°C24/31°C
14th Jul 2025594 AMAQI
14th Jul 2025585 AMAQI
14th Jul 2025586 AMAQI
14th Jul 2025587 AMAQI
14th Jul 2025588 AMAQI
14th Jul 2025309 AMAQI
14th Jul 20252210 AMAQI
14th Jul 20251811 AMAQI
14th Jul 20252112 PMAQI
14th Jul 2025301 PMAQI
14th Jul 2025312 PMAQI
14th Jul 2025303 PMAQI
14th Jul 2025334 PMAQI
14th Jul 2025345 PMAQI
14th Jul 2025356 PMAQI
14th Jul 2025347 PMAQI
14th Jul 2025388 PMAQI
14th Jul 2025509 PMAQI
14th Jul 20254910 PMAQI
14th Jul 20255011 PMAQI
15th Jul 20255012 AMAQI
15th Jul 2025521 AMAQI
15th Jul 2025552 AMAQI
15th Jul 2025553 AMAQI
27°C25/30°C
15th Jul 2025564 AMAQI
15th Jul 2025555 AMAQI
15th Jul 2025556 AMAQI
15th Jul 2025547 AMAQI
15th Jul 2025548 AMAQI
15th Jul 2025329 AMAQI
15th Jul 20252310 AMAQI
15th Jul 20252611 AMAQI
15th Jul 20252412 PMAQI
15th Jul 2025351 PMAQI
15th Jul 2025362 PMAQI
15th Jul 2025343 PMAQI
15th Jul 2025374 PMAQI
15th Jul 2025345 PMAQI
15th Jul 2025316 PMAQI
15th Jul 2025327 PMAQI
15th Jul 2025338 PMAQI
15th Jul 2025489 PMAQI
15th Jul 20254710 PMAQI
15th Jul 20254811 PMAQI
16th Jul 20255012 AMAQI
16th Jul 2025501 AMAQI
16th Jul 2025542 AMAQI
16th Jul 2025543 AMAQI
28°C26/31°C
16th Jul 2025534 AMAQI
16th Jul 2025525 AMAQI
16th Jul 2025526 AMAQI
16th Jul 2025537 AMAQI
16th Jul 2025538 AMAQI
16th Jul 2025549 AMAQI
16th Jul 20254810 AMAQI
16th Jul 20253911 AMAQI
16th Jul 20253312 PMAQI
16th Jul 2025311 PMAQI
16th Jul 2025312 PMAQI
16th Jul 2025273 PMAQI
16th Jul 2025334 PMAQI
16th Jul 2025345 PMAQI
16th Jul 2025296 PMAQI
16th Jul 2025267 PMAQI
16th Jul 2025308 PMAQI
16th Jul 2025459 PMAQI
16th Jul 20254610 PMAQI
16th Jul 20254511 PMAQI
17th Jul 20254412 AMAQI
17th Jul 2025461 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025523 AMAQI
28°C25/31°C
17th Jul 2025524 AMAQI
17th Jul 2025515 AMAQI
17th Jul 2025506 AMAQI
17th Jul 2025517 AMAQI
17th Jul 2025518 AMAQI
17th Jul 2025289 AMAQI
17th Jul 20252610 AMAQI
17th Jul 20253411 AMAQI
17th Jul 20253412 PMAQI
17th Jul 2025361 PMAQI
17th Jul 2025352 PMAQI
17th Jul 2025333 PMAQI
17th Jul 2025344 PMAQI
17th Jul 2025375 PMAQI
17th Jul 2025396 PMAQI
17th Jul 2025397 PMAQI
17th Jul 2025408 PMAQI
17th Jul 2025449 PMAQI
17th Jul 20254510 PMAQI
17th Jul 20254511 PMAQI
18th Jul 20254612 AMAQI
18th Jul 2025471 AMAQI
18th Jul 2025492 AMAQI
18th Jul 2025503 AMAQI
29°C26/32°C
18th Jul 2025484 AMAQI
18th Jul 2025475 AMAQI
18th Jul 2025476 AMAQI
18th Jul 2025467 AMAQI
18th Jul 2025478 AMAQI
18th Jul 2025359 AMAQI
18th Jul 20253010 AMAQI
18th Jul 20253011 AMAQI
18th Jul 20253112 PMAQI
18th Jul 2025341 PMAQI
18th Jul 2025312 PMAQI
18th Jul 2025293 PMAQI
18th Jul 2025294 PMAQI
18th Jul 2025285 PMAQI
18th Jul 2025286 PMAQI
18th Jul 2025287 PMAQI
18th Jul 2025338 PMAQI
18th Jul 2025409 PMAQI
18th Jul 20254110 PMAQI
18th Jul 20254111 PMAQI
19th Jul 20254112 AMAQI
19th Jul 2025421 AMAQI
19th Jul 2025472 AMAQI
19th Jul 2025473 AMAQI
28°C25/32°C
19th Jul 2025464 AMAQI
19th Jul 2025455 AMAQI
19th Jul 2025456 AMAQI
19th Jul 2025457 AMAQI
19th Jul 2025458 AMAQI
19th Jul 2025289 AMAQI
19th Jul 20252310 AMAQI
19th Jul 20252411 AMAQI
19th Jul 20252812 PMAQI
19th Jul 2025291 PMAQI
19th Jul 2025272 PMAQI
19th Jul 2025283 PMAQI
19th Jul 2025284 PMAQI
19th Jul 2025265 PMAQI
19th Jul 2025266 PMAQI
19th Jul 2025277 PMAQI
19th Jul 2025318 PMAQI
19th Jul 2025369 PMAQI
19th Jul 20253710 PMAQI
19th Jul 20253711 PMAQI
20th Jul 20253712 AMAQI
20th Jul 2025381 AMAQI
20th Jul 2025442 AMAQI
20th Jul 2025453 AMAQI
29°C25/33°C
20th Jul 2025444 AMAQI
20th Jul 2025415 AMAQI
20th Jul 2025426 AMAQI
20th Jul 2025427 AMAQI
20th Jul 2025428 AMAQI
20th Jul 2025369 AMAQI
20th Jul 20252810 AMAQI
20th Jul 20252711 AMAQI
20th Jul 20252912 PMAQI
20th Jul 2025351 PMAQI
20th Jul 2025342 PMAQI
20th Jul 2025333 PMAQI
20th Jul 2025324 PMAQI
20th Jul 2025285 PMAQI
20th Jul 2025286 PMAQI
20th Jul 2025427 PMAQI
20th Jul 2025378 PMAQI
20th Jul 2025369 PMAQI
20th Jul 20253410 PMAQI
20th Jul 20253511 PMAQI
21st Jul 20253512 AMAQI
21st Jul 2025381 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025403 AMAQI
30°C26/34°C
21st Jul 2025404 AMAQI
21st Jul 2025385 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025387 AMAQI
21st Jul 2025388 AMAQI
21st Jul 2025389 AMAQI
21st Jul 20254210 AMAQI
21st Jul 20254411 AMAQI
21st Jul 20255212 PMAQI
21st Jul 2025521 PMAQI
21st Jul 2025482 PMAQI
21st Jul 2025463 PMAQI
21st Jul 2025414 PMAQI
21st Jul 2025345 PMAQI
21st Jul 2025306 PMAQI
21st Jul 2025287 PMAQI
21st Jul 2025328 PMAQI
21st Jul 2025349 PMAQI
21st Jul 20253410 PMAQI
21st Jul 20253411 PMAQI
22nd Jul 20253412 AMAQI
22nd Jul 2025361 AMAQI
22nd Jul 2025382 AMAQI
22nd Jul 2025383 AMAQI
31°C28/36°C
22nd Jul 2025384 AMAQI
22nd Jul 2025405 AMAQI
22nd Jul 2025396 AMAQI
22nd Jul 2025397 AMAQI
22nd Jul 2025408 AMAQI
22nd Jul 2025349 AMAQI
22nd Jul 20253810 AMAQI
22nd Jul 20255311 AMAQI
22nd Jul 20255812 PMAQI
22nd Jul 2025571 PMAQI
22nd Jul 2025562 PMAQI
22nd Jul 2025533 PMAQI
22nd Jul 2025494 PMAQI
22nd Jul 2025455 PMAQI
22nd Jul 2025386 PMAQI
22nd Jul 2025327 PMAQI
22nd Jul 2025318 PMAQI
22nd Jul 2025329 PMAQI
22nd Jul 20253310 PMAQI
22nd Jul 20253311 PMAQI
23rd Jul 20253312 AMAQI
23rd Jul 2025351 AMAQI
23rd Jul 2025382 AMAQI
23rd Jul 2025383 AMAQI
31°C28/36°C
23rd Jul 2025394 AMAQI
23rd Jul 2025405 AMAQI
23rd Jul 2025416 AMAQI
23rd Jul 2025407 AMAQI
23rd Jul 2025408 AMAQI
23rd Jul 2025509 AMAQI
23rd Jul 20255810 AMAQI
23rd Jul 20256311 AMAQI
23rd Jul 20256812 PMAQI
23rd Jul 2025611 PMAQI
23rd Jul 2025592 PMAQI
23rd Jul 2025603 PMAQI
23rd Jul 2025544 PMAQI
23rd Jul 2025505 PMAQI
23rd Jul 2025476 PMAQI
23rd Jul 2025427 PMAQI
23rd Jul 2025338 PMAQI
23rd Jul 2025339 PMAQI
23rd Jul 20253410 PMAQI
23rd Jul 20253411 PMAQI
24th Jul 20253212 AMAQI
24th Jul 2025351 AMAQI
24th Jul 2025372 AMAQI
24th Jul 2025383 AMAQI
31°C28/36°C
24th Jul 2025394 AMAQI
24th Jul 2025425 AMAQI
24th Jul 2025426 AMAQI
24th Jul 2025427 AMAQI
24th Jul 2025438 AMAQI
24th Jul 2025529 AMAQI
24th Jul 20255910 AMAQI
24th Jul 20256411 AMAQI
24th Jul 20256712 PMAQI
24th Jul 2025621 PMAQI
24th Jul 2025612 PMAQI
24th Jul 2025603 PMAQI
24th Jul 2025544 PMAQI
24th Jul 2025505 PMAQI
24th Jul 2025436 PMAQI
24th Jul 2025357 PMAQI
24th Jul 2025328 PMAQI
24th Jul 2025339 PMAQI
24th Jul 20253610 PMAQI
24th Jul 20253811 PMAQI
25th Jul 20253712 AMAQI
25th Jul 2025361 AMAQI
25th Jul 2025372 AMAQI
25th Jul 2025383 AMAQI
32°C28/37°C
25th Jul 2025404 AMAQI
25th Jul 2025445 AMAQI
25th Jul 2025446 AMAQI
25th Jul 2025447 AMAQI
25th Jul 2025438 AMAQI
25th Jul 2025549 AMAQI
25th Jul 20256010 AMAQI
25th Jul 20256211 AMAQI
25th Jul 20256412 PMAQI
25th Jul 2025581 PMAQI
25th Jul 2025522 PMAQI
25th Jul 2025443 PMAQI
25th Jul 2025404 PMAQI
25th Jul 2025375 PMAQI
25th Jul 2025326 PMAQI
25th Jul 2025267 PMAQI
25th Jul 2025308 PMAQI
25th Jul 2025339 PMAQI
25th Jul 20253310 PMAQI
25th Jul 20253311 PMAQI
26th Jul 20253312 AMAQI
26th Jul 2025361 AMAQI
26th Jul 2025402 AMAQI
26th Jul 2025403 AMAQI
32°C28/36°C
26th Jul 2025414 AMAQI
26th Jul 2025445 AMAQI
26th Jul 2025446 AMAQI
26th Jul 2025447 AMAQI
26th Jul 2025448 AMAQI
26th Jul 2025509 AMAQI
26th Jul 20255610 AMAQI
26th Jul 20255811 AMAQI
26th Jul 20255912 PMAQI
26th Jul 2025531 PMAQI
26th Jul 2025492 PMAQI
26th Jul 2025413 PMAQI
26th Jul 2025384 PMAQI
26th Jul 2025325 PMAQI
26th Jul 2025286 PMAQI
26th Jul 2025297 PMAQI
26th Jul 2025298 PMAQI
26th Jul 2025339 PMAQI
26th Jul 20253210 PMAQI
26th Jul 20253411 PMAQI
27th Jul 20253312 AMAQI
27th Jul 2025351 AMAQI
27th Jul 2025402 AMAQI
27th Jul 2025403 AMAQI
32°C28/37°C
27th Jul 2025424 AMAQI
27th Jul 2025435 AMAQI
27th Jul 2025446 AMAQI
27th Jul 2025437 AMAQI
27th Jul 2025438 AMAQI
27th Jul 2025449 AMAQI
27th Jul 20254410 AMAQI
27th Jul 20254411 AMAQI
27th Jul 20254612 PMAQI
27th Jul 2025441 PMAQI
27th Jul 2025392 PMAQI
27th Jul 2025393 PMAQI
27th Jul 2025364 PMAQI
27th Jul 2025285 PMAQI
27th Jul 2025266 PMAQI
27th Jul 2025247 PMAQI
27th Jul 2025258 PMAQI
27th Jul 2025299 PMAQI
27th Jul 20253010 PMAQI
27th Jul 20253111 PMAQI
28th Jul 20253312 AMAQI
28th Jul 2025351 AMAQI
28th Jul 2025392 AMAQI
28th Jul 2025393 AMAQI
31°C29/36°C
28th Jul 2025404 AMAQI
28th Jul 2025415 AMAQI
28th Jul 2025426 AMAQI
28th Jul 2025417 AMAQI
28th Jul 2025418 AMAQI
28th Jul 2025339 AMAQI
28th Jul 20253910 AMAQI
28th Jul 20254511 AMAQI
28th Jul 20255312 PMAQI
28th Jul 2025521 PMAQI
28th Jul 2025552 PMAQI
28th Jul 2025603 PMAQI
28th Jul 2025594 PMAQI
28th Jul 2025555 PMAQI
28th Jul 2025496 PMAQI
28th Jul 2025367 PMAQI
28th Jul 2025348 PMAQI
28th Jul 2025349 PMAQI
28th Jul 20253410 PMAQI
28th Jul 20253511 PMAQI
29th Jul 20253412 AMAQI
29th Jul 2025331 AMAQI
29th Jul 2025382 AMAQI
29th Jul 2025383 AMAQI
32°C28/36°C
29th Jul 2025394 AMAQI
29th Jul 2025415 AMAQI
29th Jul 2025416 AMAQI
29th Jul 2025417 AMAQI
29th Jul 2025408 AMAQI
29th Jul 2025459 AMAQI
29th Jul 20255810 AMAQI
29th Jul 20255711 AMAQI
29th Jul 20255612 PMAQI
29th Jul 2025531 PMAQI
29th Jul 2025522 PMAQI
29th Jul 2025533 PMAQI
29th Jul 2025544 PMAQI
29th Jul 2025525 PMAQI
29th Jul 2025476 PMAQI
29th Jul 2025377 PMAQI
29th Jul 2025318 PMAQI
29th Jul 2025339 PMAQI
29th Jul 20253210 PMAQI
29th Jul 20253211 PMAQI
30th Jul 20253212 AMAQI
30th Jul 2025341 AMAQI
30th Jul 2025382 AMAQI
30th Jul 2025383 AMAQI
31°C27/38°C
30th Jul 2025394 AMAQI
30th Jul 2025415 AMAQI
30th Jul 2025416 AMAQI
30th Jul 2025417 AMAQI
30th Jul 2025408 AMAQI
30th Jul 2025229 AMAQI
30th Jul 20251810 AMAQI
30th Jul 20252211 AMAQI
30th Jul 20253112 PMAQI
30th Jul 2025301 PMAQI
30th Jul 2025322 PMAQI
30th Jul 2025353 PMAQI
30th Jul 2025384 PMAQI
30th Jul 2025355 PMAQI
30th Jul 2025286 PMAQI
30th Jul 2025287 PMAQI
30th Jul 2025328 PMAQI
30th Jul 2025339 PMAQI
30th Jul 20253510 PMAQI
30th Jul 20253611 PMAQI
31st Jul 20253612 AMAQI
31st Jul 2025361 AMAQI
31st Jul 2025382 AMAQI
31st Jul 2025383 AMAQI
31°C27/36°C
31st Jul 2025374 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 20254611 AMAQI
31st Jul 20255012 PMAQI
31st Jul 2025451 PMAQI
31st Jul 2025422 PMAQI
31st Jul 2025403 PMAQI
31st Jul 2025384 PMAQI
31st Jul 2025335 PMAQI
31st Jul 2025296 PMAQI
31st Jul 2025277 PMAQI
31st Jul 2025288 PMAQI
31st Jul 2025289 PMAQI
31st Jul 20252910 PMAQI
31st Jul 20252711 PMAQI
1st Aug 20252712 AMAQI
1st Aug 2025321 AMAQI
1st Aug 2025332 AMAQI
1st Aug 2025343 AMAQI
29°C26/35°C
1st Aug 2025354 AMAQI
1st Aug 2025345 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025357 AMAQI
1st Aug 2025368 AMAQI
1st Aug 2025369 AMAQI
1st Aug 20252910 AMAQI
1st Aug 20254511 AMAQI
1st Aug 20254612 PMAQI
1st Aug 2025461 PMAQI
1st Aug 2025402 PMAQI
1st Aug 2025343 PMAQI
1st Aug 2025434 PMAQI
1st Aug 2025355 PMAQI
1st Aug 2025396 PMAQI
1st Aug 2025267 PMAQI
1st Aug 2025298 PMAQI
1st Aug 2025309 PMAQI
1st Aug 20253210 PMAQI
1st Aug 20252811 PMAQI
2nd Aug 20253012 AMAQI
2nd Aug 2025301 AMAQI
2nd Aug 2025362 AMAQI
2nd Aug 2025373 AMAQI
28°C26/32°C
2nd Aug 2025374 AMAQI
2nd Aug 2025385 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025399 AMAQI
2nd Aug 20253610 AMAQI
2nd Aug 20254511 AMAQI
2nd Aug 20254012 PMAQI
2nd Aug 2025481 PMAQI
2nd Aug 2025552 PMAQI
2nd Aug 2025573 PMAQI
2nd Aug 2025554 PMAQI
2nd Aug 2025545 PMAQI
2nd Aug 2025596 PMAQI
2nd Aug 2025537 PMAQI
2nd Aug 2025408 PMAQI
2nd Aug 2025389 PMAQI
2nd Aug 20253610 PMAQI
2nd Aug 20254511 PMAQI
3rd Aug 20253312 AMAQI
3rd Aug 2025361 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025373 AMAQI
31°C27/37°C
3rd Aug 2025404 AMAQI
3rd Aug 2025395 AMAQI
3rd Aug 2025386 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025398 AMAQI
3rd Aug 2025429 AMAQI
3rd Aug 20255210 AMAQI
3rd Aug 20255511 AMAQI
3rd Aug 20255912 PMAQI
3rd Aug 2025551 PMAQI
3rd Aug 2025562 PMAQI
3rd Aug 2025543 PMAQI
3rd Aug 2025504 PMAQI
3rd Aug 2025515 PMAQI
3rd Aug 2025556 PMAQI
3rd Aug 2025537 PMAQI
3rd Aug 2025538 PMAQI
3rd Aug 2025429 PMAQI
3rd Aug 20254310 PMAQI
3rd Aug 20254111 PMAQI
4th Aug 20253612 AMAQI
4th Aug 2025371 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025393 AMAQI
32°C28/37°C
4th Aug 2025424 AMAQI
4th Aug 2025435 AMAQI
4th Aug 2025436 AMAQI
4th Aug 2025437 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025609 AMAQI
4th Aug 20256510 AMAQI
4th Aug 20257911 AMAQI
4th Aug 20258112 PMAQI
4th Aug 2025931 PMAQI
4th Aug 2025942 PMAQI
4th Aug 2025883 PMAQI
4th Aug 2025894 PMAQI
4th Aug 2025945 PMAQI
4th Aug 2025876 PMAQI
4th Aug 2025757 PMAQI
4th Aug 2025638 PMAQI
4th Aug 2025609 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20254811 PMAQI
5th Aug 20255312 AMAQI
5th Aug 2025441 AMAQI
5th Aug 2025422 AMAQI
5th Aug 2025413 AMAQI
33°C29/38°C
5th Aug 2025514 AMAQI
4 AM5th Aug 2025545 AMAQI
5th Aug 2025536 AMAQI
5th Aug 2025527 AMAQI
5th Aug 2025538 AMAQI
5th Aug 2025599 AMAQI
5th Aug 20256510 AMAQI
5th Aug 20256311 AMAQI
11 AM5th Aug 20256412 PMAQI
5th Aug 2025581 PMAQI
5th Aug 2025562 PMAQI
5th Aug 2025573 PMAQI
5th Aug 2025584 PMAQI
5th Aug 2025565 PMAQI
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
11 AM - 4 PM
52AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
5 PM - 6 PM
47AQI
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. 52), while the lowest AQI was between 5 PM to 6 PM (Avg. 47).
Night time
Avg. Highest Time
12 AM - 3 AM
46AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM - 11 PM
44AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 46), while the lowest AQI was between 7 PM to 11 PM (Avg. 44).
2025 Days Vs Air Quality
Kokubunji, Tokyo, Japan
2025
95%
205
5%
11
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
205 DaysModerate
11 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 217 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
Kokubunji, Tokyo, 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
27AQI
27AQI
3rd January 2025
24AQI
24AQI
4th January 2025
26AQI
26AQI
5th January 2025
26AQI
26AQI
6th January 2025
36AQI
36AQI
7th January 2025
27AQI
27AQI
8th January 2025
29AQI
29AQI
9th January 2025
25AQI
25AQI
10th January 2025
24AQI
24AQI
11th January 2025
24AQI
24AQI
12th January 2025
29AQI
29AQI
13th January 2025
28AQI
28AQI
14th January 2025
29AQI
29AQI
15th January 2025
30AQI
30AQI
16th January 2025
25AQI
25AQI
17th January 2025
28AQI
28AQI
18th January 2025
26AQI
26AQI
19th January 2025
34AQI
34AQI
20th January 2025
33AQI
33AQI
21st January 2025
33AQI
33AQI
22nd January 2025
30AQI
30AQI
23rd January 2025
34AQI
34AQI
24th January 2025
39AQI
39AQI
25th January 2025
33AQI
33AQI
26th January 2025
33AQI
33AQI
27th January 2025
26AQI
26AQI
28th January 2025
33AQI
33AQI
29th January 2025
26AQI
26AQI
30th January 2025
28AQI
28AQI
31st January 2025
27AQI
27AQI
1st February 2025
34AQI
34AQI
2nd February 2025
36AQI
36AQI
3rd February 2025
31AQI
31AQI
4th February 2025
32AQI
32AQI
5th February 2025
30AQI
30AQI
6th February 2025
27AQI
27AQI
7th February 2025
28AQI
28AQI
8th February 2025
29AQI
29AQI
9th February 2025
28AQI
28AQI
10th February 2025
28AQI
28AQI
11th February 2025
31AQI
31AQI
12th February 2025
30AQI
30AQI
13th February 2025
39AQI
39AQI
14th February 2025
28AQI
28AQI
15th February 2025
35AQI
35AQI
16th February 2025
33AQI
33AQI
17th February 2025
36AQI
36AQI
18th February 2025
30AQI
30AQI
19th February 2025
29AQI
29AQI
20th February 2025
29AQI
29AQI
21st February 2025
31AQI
31AQI
22nd February 2025
30AQI
30AQI
23rd February 2025
32AQI
32AQI
24th February 2025
32AQI
32AQI
25th February 2025
33AQI
33AQI
26th February 2025
34AQI
34AQI
27th February 2025
37AQI
37AQI
28th February 2025
42AQI
42AQI
1st March 2025
47AQI
47AQI
2nd March 2025
47AQI
47AQI
3rd March 2025
35AQI
35AQI
4th March 2025
33AQI
33AQI
5th March 2025
28AQI
28AQI
6th March 2025
31AQI
31AQI
7th March 2025
32AQI
32AQI
8th March 2025
34AQI
34AQI
9th March 2025
36AQI
36AQI
10th March 2025
34AQI
34AQI
11th March 2025
35AQI
35AQI
12th March 2025
38AQI
38AQI
13th March 2025
40AQI
40AQI
14th March 2025
29AQI
29AQI
15th March 2025
26AQI
26AQI
16th March 2025
19AQI
19AQI
17th March 2025
17AQI
17AQI
18th March 2025
18AQI
18AQI
19th March 2025
14AQI
14AQI
20th March 2025
18AQI
18AQI
21st March 2025
28AQI
28AQI
22nd March 2025
33AQI
33AQI
23rd March 2025
36AQI
36AQI
24th March 2025
38AQI
38AQI
25th March 2025
56AQI
56AQI
26th March 2025
66AQI
66AQI
27th March 2025
62AQI
62AQI
28th March 2025
40AQI
40AQI
29th March 2025
31AQI
31AQI
30th March 2025
36AQI
36AQI
31st March 2025
28AQI
28AQI
1st April 2025
25AQI
25AQI
2nd April 2025
20AQI
20AQI
3rd April 2025
19AQI
19AQI
4th April 2025
20AQI
20AQI
5th April 2025
21AQI
21AQI
6th April 2025
17AQI
17AQI
7th April 2025
19AQI
19AQI
8th April 2025
23AQI
23AQI
9th April 2025
20AQI
20AQI
10th April 2025
28AQI
28AQI
11th April 2025
28AQI
28AQI
12th April 2025
26AQI
26AQI
13th April 2025
21AQI
21AQI
14th April 2025
26AQI
26AQI
15th April 2025
22AQI
22AQI
16th April 2025
22AQI
22AQI
17th April 2025
30AQI
30AQI
18th April 2025
36AQI
36AQI
19th April 2025
41AQI
41AQI
20th April 2025
33AQI
33AQI
21st April 2025
31AQI
31AQI
22nd April 2025
29AQI
29AQI
23rd April 2025
18AQI
18AQI
24th April 2025
21AQI
21AQI
25th April 2025
23AQI
23AQI
26th April 2025
26AQI
26AQI
27th April 2025
28AQI
28AQI
28th April 2025
26AQI
26AQI
29th April 2025
20AQI
20AQI
30th April 2025
27AQI
27AQI
1st May 2025
23AQI
23AQI
2nd May 2025
20AQI
20AQI
3rd May 2025
19AQI
19AQI
4th May 2025
27AQI
27AQI
5th May 2025
21AQI
21AQI
6th May 2025
19AQI
19AQI
7th May 2025
17AQI
17AQI
8th May 2025
21AQI
21AQI
9th May 2025
20AQI
20AQI
10th May 2025
15AQI
15AQI
11th May 2025
19AQI
19AQI
12th May 2025
18AQI
18AQI
13th May 2025
23AQI
23AQI
14th May 2025
24AQI
24AQI
15th May 2025
25AQI
25AQI
16th May 2025
29AQI
29AQI
17th May 2025
19AQI
19AQI
18th May 2025
29AQI
29AQI
19th May 2025
30AQI
30AQI
20th May 2025
47AQI
47AQI
21st May 2025
45AQI
45AQI
22nd May 2025
34AQI
34AQI
23rd May 2025
34AQI
34AQI
24th May 2025
30AQI
30AQI
25th May 2025
22AQI
22AQI
26th May 2025
21AQI
21AQI
27th May 2025
20AQI
20AQI
28th May 2025
23AQI
23AQI
29th May 2025
28AQI
28AQI
30th May 2025
19AQI
19AQI
31st May 2025
15AQI
15AQI
1st June 2025
17AQI
17AQI
2nd June 2025
20AQI
20AQI
3rd June 2025
20AQI
20AQI
4th June 2025
19AQI
19AQI
5th June 2025
27AQI
27AQI
6th June 2025
29AQI
29AQI
7th June 2025
32AQI
32AQI
8th June 2025
38AQI
38AQI
9th June 2025
30AQI
30AQI
10th June 2025
25AQI
25AQI
11th June 2025
23AQI
23AQI
12th June 2025
27AQI
27AQI
13th June 2025
28AQI
28AQI
14th June 2025
23AQI
23AQI
15th June 2025
22AQI
22AQI
16th June 2025
25AQI
25AQI
17th June 2025
34AQI
34AQI
18th June 2025
28AQI
28AQI
19th June 2025
30AQI
30AQI
20th June 2025
29AQI
29AQI
21st June 2025
24AQI
24AQI
22nd June 2025
18AQI
18AQI
23rd June 2025
18AQI
18AQI
24th June 2025
17AQI
17AQI
25th June 2025
16AQI
16AQI
26th June 2025
16AQI
16AQI
27th June 2025
21AQI
21AQI
28th June 2025
19AQI
19AQI
29th June 2025
22AQI
22AQI
30th June 2025
35AQI
35AQI
1st July 2025
39AQI
39AQI
2nd July 2025
44AQI
44AQI
3rd July 2025
47AQI
47AQI
4th July 2025
47AQI
47AQI
5th July 2025
50AQI
50AQI
6th July 2025
58AQI
58AQI
7th July 2025
73AQI
73AQI
8th July 2025
77AQI
77AQI
9th July 2025
80AQI
80AQI
10th July 2025
62AQI
62AQI
11th July 2025
53AQI
53AQI
12th July 2025
56AQI
56AQI
13th July 2025
54AQI
54AQI
14th July 2025
45AQI
45AQI
15th July 2025
44AQI
44AQI
16th July 2025
44AQI
44AQI
17th July 2025
43AQI
43AQI
18th July 2025
39AQI
39AQI
19th July 2025
36AQI
36AQI
20th July 2025
37AQI
37AQI
21st July 2025
38AQI
38AQI
22nd July 2025
40AQI
40AQI
23rd July 2025
43AQI
43AQI
24th July 2025
43AQI
43AQI
25th July 2025
41AQI
41AQI
26th July 2025
39AQI
39AQI
27th July 2025
36AQI
36AQI
28th July 2025
41AQI
41AQI
29th July 2025
41AQI
41AQI
30th July 2025
34AQI
34AQI
31st July 2025
35AQI
35AQI
1st August 2025
34AQI
34AQI
2nd August 2025
42AQI
42AQI
3rd August 2025
45AQI
45AQI
4th August 2025
48AQI
48AQI
29AQI
32AQI
34AQI
25AQI
24AQI
24AQI
47AQI
42AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202531AQI
31
28
28
3
30
31
30
23
8
4
205
11
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
May24AQI
202434AQI
31
29
28
3
25
5
30
1
30
26
5
29
2
28
2
31
30
31
348
18
Highest AQI recorded in
July43AQI
Lowest AQI recorded in
December26AQI
202333AQI
31
27
1
29
2
22
8
28
3
26
4
28
3
31
29
1
31
27
2
31
340
24
Highest AQI recorded in
April44AQI
Lowest AQI recorded in
August24AQI
202231AQI
31
20
1
30
1
16
1
29
2
28
2
18
3
1
1
29
31
30
31
294
11
Highest AQI recorded in
August51AQI
Lowest AQI recorded in
December24AQI
202124AQI
30
1
28
31
30
27
4
26
4
30
1
28
3
30
31
30
31
352
13
Highest AQI recorded in
June41AQI
Lowest AQI recorded in
February11AQI
202016AQI
13
21
18
30
31
31
19
31
30
31
255
Highest AQI recorded in
August26AQI
Lowest AQI recorded in
April11AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2024(Avg.)
34AQILeast Polluted Year Recorded
2020(Avg.)
16AQIKokubunji's annual 2025 AQI (31) shows an average percentage change of 22.5% (worsened AQI) compared to previous years: 2020 (16), 2021 (24), 2022 (31), 2023 (33), 2024 (34).
