Hachioji, Hachioji, 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
Hachioji, Hachioji, Tokyo, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2025
61AQILowest AQI recorded on
27th Aug 2024
9AQISame Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 61 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Hachioji, Hachioji, Tokyo, Japan
AQI
Day
Night
.
4 AM5th Aug 2025
6 PM
3 AM6th Aug 2025
Day time
Avg. Highest Time
12PM5th Aug
66AQI
Avg. Lowest Time
6PM5th Aug
50AQI
Night time
Avg. Highest Time
8PM5th Aug
52AQI
Avg. Lowest Time
11PM5th Aug
46AQI
In the last 24 hours,
Hachioji's AQI reached its highest point of 66 at 12 PM during the Day, while the lowest point, 46, was recorded at 11 PM during the Night between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Hachioji, Hachioji, Tokyo, Japan
JulAug
07th - 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 - 06th06th
Day
Night
7th Jul 2025524 AMAQI
7th Jul 2025535 AMAQI
7th Jul 2025536 AMAQI
7th Jul 2025537 AMAQI
7th Jul 2025538 AMAQI
7th Jul 2025919 AMAQI
7th Jul 202510210 AMAQI
7th Jul 202510011 AMAQI
7th Jul 20259412 PMAQI
7th Jul 2025801 PMAQI
7th Jul 2025752 PMAQI
7th Jul 2025803 PMAQI
7th Jul 2025884 PMAQI
7th Jul 2025915 PMAQI
7th Jul 2025936 PMAQI
7th Jul 2025987 PMAQI
7th Jul 2025948 PMAQI
7th Jul 2025689 PMAQI
7th Jul 20256810 PMAQI
7th Jul 20256711 PMAQI
8th Jul 20256912 AMAQI
8th Jul 2025641 AMAQI
8th Jul 2025562 AMAQI
8th Jul 2025563 AMAQI
29°C26/33°C
8th Jul 2025564 AMAQI
8th Jul 2025585 AMAQI
8th Jul 2025596 AMAQI
8th Jul 2025597 AMAQI
8th Jul 2025598 AMAQI
8th Jul 20251129 AMAQI
8th Jul 202514110 AMAQI
8th Jul 202512611 AMAQI
8th Jul 202510912 PMAQI
8th Jul 2025871 PMAQI
8th Jul 2025832 PMAQI
8th Jul 2025753 PMAQI
8th Jul 2025734 PMAQI
8th Jul 2025745 PMAQI
8th Jul 2025766 PMAQI
8th Jul 2025797 PMAQI
8th Jul 2025818 PMAQI
8th Jul 2025719 PMAQI
8th Jul 20257110 PMAQI
8th Jul 20257211 PMAQI
9th Jul 20257312 AMAQI
9th Jul 2025701 AMAQI
9th Jul 2025642 AMAQI
9th Jul 2025643 AMAQI
29°C26/33°C
9th Jul 2025664 AMAQI
9th Jul 2025705 AMAQI
9th Jul 2025706 AMAQI
9th Jul 2025697 AMAQI
9th Jul 2025698 AMAQI
9th Jul 2025909 AMAQI
9th Jul 20259810 AMAQI
9th Jul 20259211 AMAQI
9th Jul 20259512 PMAQI
9th Jul 2025961 PMAQI
9th Jul 2025982 PMAQI
9th Jul 2025963 PMAQI
9th Jul 2025954 PMAQI
9th Jul 2025935 PMAQI
9th Jul 2025866 PMAQI
9th Jul 2025807 PMAQI
9th Jul 2025718 PMAQI
9th Jul 2025719 PMAQI
9th Jul 20256610 PMAQI
9th Jul 20256511 PMAQI
10th Jul 20256512 AMAQI
10th Jul 2025671 AMAQI
10th Jul 2025702 AMAQI
10th Jul 2025703 AMAQI
29°C25/33°C
10th Jul 2025714 AMAQI
10th Jul 2025745 AMAQI
10th Jul 2025746 AMAQI
10th Jul 2025747 AMAQI
10th Jul 2025748 AMAQI
10th Jul 2025809 AMAQI
10th Jul 20258210 AMAQI
10th Jul 20259211 AMAQI
10th Jul 20258512 PMAQI
10th Jul 2025701 PMAQI
10th Jul 2025642 PMAQI
10th Jul 2025573 PMAQI
10th Jul 2025544 PMAQI
10th Jul 2025475 PMAQI
10th Jul 2025446 PMAQI
10th Jul 2025457 PMAQI
10th Jul 2025498 PMAQI
10th Jul 2025629 PMAQI
10th Jul 20256110 PMAQI
10th Jul 20256211 PMAQI
11th Jul 20256212 AMAQI
11th Jul 2025641 AMAQI
11th Jul 2025702 AMAQI
11th Jul 2025683 AMAQI
28°C23/34°C
11th Jul 2025694 AMAQI
11th Jul 2025705 AMAQI
11th Jul 2025706 AMAQI
11th Jul 2025707 AMAQI
11th Jul 2025708 AMAQI
11th Jul 2025349 AMAQI
11th Jul 20252010 AMAQI
11th Jul 20252011 AMAQI
11th Jul 20252512 PMAQI
11th Jul 2025431 PMAQI
11th Jul 2025462 PMAQI
11th Jul 2025453 PMAQI
11th Jul 2025474 PMAQI
11th Jul 2025485 PMAQI
11th Jul 2025486 PMAQI
11th Jul 2025467 PMAQI
11th Jul 2025488 PMAQI
11th Jul 2025609 PMAQI
11th Jul 20256010 PMAQI
11th Jul 20256011 PMAQI
12th Jul 20256012 AMAQI
12th Jul 2025621 AMAQI
12th Jul 2025652 AMAQI
12th Jul 2025653 AMAQI
23°C22/24°C
12th Jul 2025644 AMAQI
12th Jul 2025625 AMAQI
12th Jul 2025626 AMAQI
12th Jul 2025627 AMAQI
12th Jul 2025628 AMAQI
12th Jul 2025429 AMAQI
12th Jul 20253510 AMAQI
12th Jul 20253911 AMAQI
12th Jul 20254312 PMAQI
12th Jul 2025501 PMAQI
12th Jul 2025522 PMAQI
12th Jul 2025523 PMAQI
12th Jul 2025534 PMAQI
12th Jul 2025545 PMAQI
12th Jul 2025546 PMAQI
12th Jul 2025537 PMAQI
12th Jul 2025558 PMAQI
12th Jul 2025589 PMAQI
12th Jul 20255810 PMAQI
12th Jul 20255811 PMAQI
13th Jul 20255812 AMAQI
13th Jul 2025601 AMAQI
13th Jul 2025612 AMAQI
13th Jul 2025613 AMAQI
24°C20/28°C
13th Jul 2025614 AMAQI
13th Jul 2025605 AMAQI
13th Jul 2025596 AMAQI
13th Jul 2025607 AMAQI
13th Jul 2025608 AMAQI
13th Jul 2025509 AMAQI
13th Jul 20254810 AMAQI
13th Jul 20255411 AMAQI
13th Jul 20255412 PMAQI
13th Jul 2025531 PMAQI
13th Jul 2025532 PMAQI
13th Jul 2025523 PMAQI
13th Jul 2025484 PMAQI
13th Jul 2025455 PMAQI
13th Jul 2025436 PMAQI
13th Jul 2025457 PMAQI
13th Jul 2025498 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 2025593 AMAQI
26°C23/29°C
14th Jul 2025594 AMAQI
14th Jul 2025585 AMAQI
14th Jul 2025586 AMAQI
14th Jul 2025587 AMAQI
14th Jul 2025588 AMAQI
14th Jul 2025329 AMAQI
14th Jul 20252010 AMAQI
14th Jul 20251811 AMAQI
14th Jul 20251912 PMAQI
14th Jul 2025351 PMAQI
14th Jul 2025332 PMAQI
14th Jul 2025363 PMAQI
14th Jul 2025394 PMAQI
14th Jul 2025385 PMAQI
14th Jul 2025386 PMAQI
14th Jul 2025367 PMAQI
14th Jul 2025388 PMAQI
14th Jul 2025549 PMAQI
14th Jul 20255410 PMAQI
14th Jul 20255411 PMAQI
15th Jul 20255412 AMAQI
15th Jul 2025551 AMAQI
15th Jul 2025572 AMAQI
15th Jul 2025573 AMAQI
25°C23/29°C
15th Jul 2025574 AMAQI
15th Jul 2025565 AMAQI
15th Jul 2025566 AMAQI
15th Jul 2025557 AMAQI
15th Jul 2025558 AMAQI
15th Jul 2025269 AMAQI
15th Jul 20251410 AMAQI
15th Jul 20251511 AMAQI
15th Jul 20252012 PMAQI
15th Jul 2025381 PMAQI
15th Jul 2025382 PMAQI
15th Jul 2025383 PMAQI
15th Jul 2025384 PMAQI
15th Jul 2025345 PMAQI
15th Jul 2025326 PMAQI
15th Jul 2025327 PMAQI
15th Jul 2025398 PMAQI
15th Jul 2025529 PMAQI
15th Jul 20255310 PMAQI
15th Jul 20255311 PMAQI
16th Jul 20255312 AMAQI
16th Jul 2025541 AMAQI
16th Jul 2025542 AMAQI
16th Jul 2025553 AMAQI
26°C25/30°C
16th Jul 2025544 AMAQI
16th Jul 2025535 AMAQI
16th Jul 2025546 AMAQI
16th Jul 2025547 AMAQI
16th Jul 2025548 AMAQI
16th Jul 2025599 AMAQI
16th Jul 20256210 AMAQI
16th Jul 20256211 AMAQI
16th Jul 20255012 PMAQI
16th Jul 2025401 PMAQI
16th Jul 2025382 PMAQI
16th Jul 2025343 PMAQI
16th Jul 2025334 PMAQI
16th Jul 2025385 PMAQI
16th Jul 2025396 PMAQI
16th Jul 2025367 PMAQI
16th Jul 2025348 PMAQI
16th Jul 2025509 PMAQI
16th Jul 20255110 PMAQI
16th Jul 20255211 PMAQI
17th Jul 20255012 AMAQI
17th Jul 2025521 AMAQI
17th Jul 2025532 AMAQI
17th Jul 2025533 AMAQI
27°C23/31°C
17th Jul 2025534 AMAQI
17th Jul 2025535 AMAQI
17th Jul 2025536 AMAQI
17th Jul 2025527 AMAQI
17th Jul 2025538 AMAQI
17th Jul 2025279 AMAQI
17th Jul 20253810 AMAQI
17th Jul 20255511 AMAQI
17th Jul 20254412 PMAQI
17th Jul 2025381 PMAQI
17th Jul 2025382 PMAQI
17th Jul 2025373 PMAQI
17th Jul 2025384 PMAQI
17th Jul 2025365 PMAQI
17th Jul 2025366 PMAQI
17th Jul 2025367 PMAQI
17th Jul 2025408 PMAQI
17th Jul 2025489 PMAQI
17th Jul 20254710 PMAQI
17th Jul 20254711 PMAQI
18th Jul 20254612 AMAQI
18th Jul 2025491 AMAQI
18th Jul 2025502 AMAQI
18th Jul 2025513 AMAQI
27°C24/32°C
18th Jul 2025514 AMAQI
18th Jul 2025495 AMAQI
18th Jul 2025496 AMAQI
18th Jul 2025487 AMAQI
18th Jul 2025488 AMAQI
18th Jul 2025349 AMAQI
18th Jul 20253210 AMAQI
18th Jul 20252911 AMAQI
18th Jul 20252912 PMAQI
18th Jul 2025321 PMAQI
18th Jul 2025342 PMAQI
18th Jul 2025303 PMAQI
18th Jul 2025264 PMAQI
18th Jul 2025275 PMAQI
18th Jul 2025306 PMAQI
18th Jul 2025307 PMAQI
18th Jul 2025338 PMAQI
18th Jul 2025429 PMAQI
18th Jul 20254510 PMAQI
18th Jul 20254411 PMAQI
19th Jul 20254312 AMAQI
19th Jul 2025441 AMAQI
19th Jul 2025472 AMAQI
19th Jul 2025473 AMAQI
27°C23/32°C
19th Jul 2025464 AMAQI
19th Jul 2025445 AMAQI
19th Jul 2025466 AMAQI
19th Jul 2025457 AMAQI
19th Jul 2025458 AMAQI
19th Jul 2025379 AMAQI
19th Jul 20253210 AMAQI
19th Jul 20252211 AMAQI
19th Jul 20252612 PMAQI
19th Jul 2025331 PMAQI
19th Jul 2025302 PMAQI
19th Jul 2025293 PMAQI
19th Jul 2025294 PMAQI
19th Jul 2025285 PMAQI
19th Jul 2025286 PMAQI
19th Jul 2025317 PMAQI
19th Jul 2025348 PMAQI
19th Jul 2025409 PMAQI
19th Jul 20254010 PMAQI
19th Jul 20254211 PMAQI
20th Jul 20254112 AMAQI
20th Jul 2025421 AMAQI
20th Jul 2025442 AMAQI
20th Jul 2025443 AMAQI
27°C24/32°C
20th Jul 2025444 AMAQI
20th Jul 2025435 AMAQI
20th Jul 2025446 AMAQI
20th Jul 2025437 AMAQI
20th Jul 2025438 AMAQI
20th Jul 2025389 AMAQI
20th Jul 20253210 AMAQI
20th Jul 20253111 AMAQI
20th Jul 20252912 PMAQI
20th Jul 2025311 PMAQI
20th Jul 2025312 PMAQI
20th Jul 2025283 PMAQI
20th Jul 2025244 PMAQI
20th Jul 2025245 PMAQI
20th Jul 2025276 PMAQI
20th Jul 2025327 PMAQI
20th Jul 2025318 PMAQI
20th Jul 2025349 PMAQI
20th Jul 20253510 PMAQI
20th Jul 20253611 PMAQI
21st Jul 20253812 AMAQI
21st Jul 2025401 AMAQI
21st Jul 2025422 AMAQI
21st Jul 2025423 AMAQI
29°C24/33°C
21st Jul 2025424 AMAQI
21st Jul 2025405 AMAQI
21st Jul 2025406 AMAQI
21st Jul 2025407 AMAQI
21st Jul 2025408 AMAQI
21st Jul 2025449 AMAQI
21st Jul 20255010 AMAQI
21st Jul 20255411 AMAQI
21st Jul 20255012 PMAQI
21st Jul 2025471 PMAQI
21st Jul 2025402 PMAQI
21st Jul 2025403 PMAQI
21st Jul 2025364 PMAQI
21st Jul 2025325 PMAQI
21st Jul 2025296 PMAQI
21st Jul 2025297 PMAQI
21st Jul 2025328 PMAQI
21st Jul 2025369 PMAQI
21st Jul 20253710 PMAQI
21st Jul 20253611 PMAQI
22nd Jul 20253612 AMAQI
22nd Jul 2025371 AMAQI
22nd Jul 2025402 AMAQI
22nd Jul 2025403 AMAQI
29°C25/34°C
22nd Jul 2025404 AMAQI
22nd Jul 2025425 AMAQI
22nd Jul 2025406 AMAQI
22nd Jul 2025417 AMAQI
22nd Jul 2025428 AMAQI
22nd Jul 2025529 AMAQI
22nd Jul 20255910 AMAQI
22nd Jul 20256011 AMAQI
22nd Jul 20255912 PMAQI
22nd Jul 2025541 PMAQI
22nd Jul 2025532 PMAQI
22nd Jul 2025523 PMAQI
22nd Jul 2025444 PMAQI
22nd Jul 2025335 PMAQI
22nd Jul 2025296 PMAQI
22nd Jul 2025347 PMAQI
22nd Jul 2025348 PMAQI
22nd Jul 2025349 PMAQI
22nd Jul 20253410 PMAQI
22nd Jul 20253811 PMAQI
23rd Jul 20254312 AMAQI
23rd Jul 2025411 AMAQI
23rd Jul 2025392 AMAQI
23rd Jul 2025383 AMAQI
30°C26/35°C
23rd Jul 2025404 AMAQI
23rd Jul 2025425 AMAQI
23rd Jul 2025436 AMAQI
23rd Jul 2025437 AMAQI
23rd Jul 2025438 AMAQI
23rd Jul 2025559 AMAQI
23rd Jul 20256310 AMAQI
23rd Jul 20256611 AMAQI
23rd Jul 20256612 PMAQI
23rd Jul 2025631 PMAQI
23rd Jul 2025602 PMAQI
23rd Jul 2025573 PMAQI
23rd Jul 2025544 PMAQI
23rd Jul 2025485 PMAQI
23rd Jul 2025406 PMAQI
23rd Jul 2025357 PMAQI
23rd Jul 2025368 PMAQI
23rd Jul 2025409 PMAQI
23rd Jul 20254110 PMAQI
23rd Jul 20254211 PMAQI
24th Jul 20254112 AMAQI
24th Jul 2025421 AMAQI
24th Jul 2025422 AMAQI
24th Jul 2025413 AMAQI
30°C26/35°C
24th Jul 2025434 AMAQI
24th Jul 2025465 AMAQI
24th Jul 2025466 AMAQI
24th Jul 2025477 AMAQI
24th Jul 2025478 AMAQI
24th Jul 2025559 AMAQI
24th Jul 20256010 AMAQI
24th Jul 20256511 AMAQI
24th Jul 20256512 PMAQI
24th Jul 2025591 PMAQI
24th Jul 2025582 PMAQI
24th Jul 2025543 PMAQI
24th Jul 2025504 PMAQI
24th Jul 2025455 PMAQI
24th Jul 2025376 PMAQI
24th Jul 2025367 PMAQI
24th Jul 2025378 PMAQI
24th Jul 2025409 PMAQI
24th Jul 20254610 PMAQI
24th Jul 20255011 PMAQI
25th Jul 20255012 AMAQI
25th Jul 2025461 AMAQI
25th Jul 2025432 AMAQI
25th Jul 2025443 AMAQI
30°C26/35°C
25th Jul 2025444 AMAQI
25th Jul 2025485 AMAQI
25th Jul 2025476 AMAQI
25th Jul 2025477 AMAQI
25th Jul 2025488 AMAQI
25th Jul 2025549 AMAQI
25th Jul 20255610 AMAQI
25th Jul 20255511 AMAQI
25th Jul 20255812 PMAQI
25th Jul 2025551 PMAQI
25th Jul 2025502 PMAQI
25th Jul 2025443 PMAQI
25th Jul 2025424 PMAQI
25th Jul 2025295 PMAQI
25th Jul 2025246 PMAQI
25th Jul 2025287 PMAQI
25th Jul 2025348 PMAQI
25th Jul 2025449 PMAQI
25th Jul 20254710 PMAQI
25th Jul 20254811 PMAQI
26th Jul 20254712 AMAQI
26th Jul 2025471 AMAQI
26th Jul 2025462 AMAQI
26th Jul 2025463 AMAQI
30°C26/35°C
26th Jul 2025474 AMAQI
26th Jul 2025485 AMAQI
26th Jul 2025486 AMAQI
26th Jul 2025487 AMAQI
26th Jul 2025488 AMAQI
26th Jul 2025549 AMAQI
26th Jul 20255610 AMAQI
26th Jul 20255511 AMAQI
26th Jul 20255412 PMAQI
26th Jul 2025521 PMAQI
26th Jul 2025462 PMAQI
26th Jul 2025353 PMAQI
26th Jul 2025324 PMAQI
26th Jul 2025305 PMAQI
26th Jul 2025266 PMAQI
26th Jul 2025277 PMAQI
26th Jul 2025298 PMAQI
26th Jul 2025379 PMAQI
26th Jul 20254110 PMAQI
26th Jul 20254411 PMAQI
27th Jul 20254512 AMAQI
27th Jul 2025451 AMAQI
27th Jul 2025462 AMAQI
27th Jul 2025463 AMAQI
30°C26/36°C
27th Jul 2025484 AMAQI
27th Jul 2025485 AMAQI
27th Jul 2025486 AMAQI
27th Jul 2025497 AMAQI
27th Jul 2025488 AMAQI
27th Jul 2025479 AMAQI
27th Jul 20254310 AMAQI
27th Jul 20254311 AMAQI
27th Jul 20254412 PMAQI
27th Jul 2025441 PMAQI
27th Jul 2025372 PMAQI
27th Jul 2025323 PMAQI
27th Jul 2025314 PMAQI
27th Jul 2025285 PMAQI
27th Jul 2025256 PMAQI
27th Jul 2025227 PMAQI
27th Jul 2025238 PMAQI
27th Jul 2025369 PMAQI
27th Jul 20254610 PMAQI
27th Jul 20254711 PMAQI
28th Jul 20254012 AMAQI
28th Jul 2025441 AMAQI
28th Jul 2025472 AMAQI
28th Jul 2025473 AMAQI
30°C26/35°C
28th Jul 2025464 AMAQI
28th Jul 2025465 AMAQI
28th Jul 2025466 AMAQI
28th Jul 2025467 AMAQI
28th Jul 2025468 AMAQI
28th Jul 2025449 AMAQI
28th Jul 20254610 AMAQI
28th Jul 20255311 AMAQI
28th Jul 20255212 PMAQI
28th Jul 2025501 PMAQI
28th Jul 2025542 PMAQI
28th Jul 2025543 PMAQI
28th Jul 2025544 PMAQI
28th Jul 2025465 PMAQI
28th Jul 2025386 PMAQI
28th Jul 2025407 PMAQI
28th Jul 2025428 PMAQI
28th Jul 2025409 PMAQI
28th Jul 20254010 PMAQI
28th Jul 20253811 PMAQI
29th Jul 20253512 AMAQI
29th Jul 2025371 AMAQI
29th Jul 2025422 AMAQI
29th Jul 2025423 AMAQI
30°C26/35°C
29th Jul 2025444 AMAQI
29th Jul 2025465 AMAQI
29th Jul 2025466 AMAQI
29th Jul 2025457 AMAQI
29th Jul 2025468 AMAQI
29th Jul 2025549 AMAQI
29th Jul 20255910 AMAQI
29th Jul 20255911 AMAQI
29th Jul 20255512 PMAQI
29th Jul 2025461 PMAQI
29th Jul 2025502 PMAQI
29th Jul 2025533 PMAQI
29th Jul 2025544 PMAQI
29th Jul 2025545 PMAQI
29th Jul 2025486 PMAQI
29th Jul 2025387 PMAQI
29th Jul 2025338 PMAQI
29th Jul 2025349 PMAQI
29th Jul 20253410 PMAQI
29th Jul 20253611 PMAQI
30th Jul 20253812 AMAQI
30th Jul 2025401 AMAQI
30th Jul 2025422 AMAQI
30th Jul 2025423 AMAQI
30°C25/36°C
30th Jul 2025424 AMAQI
30th Jul 2025445 AMAQI
30th Jul 2025456 AMAQI
30th Jul 2025457 AMAQI
30th Jul 2025448 AMAQI
30th Jul 2025269 AMAQI
30th Jul 20251910 AMAQI
30th Jul 20252111 AMAQI
30th Jul 20252612 PMAQI
30th Jul 2025301 PMAQI
30th Jul 2025302 PMAQI
30th Jul 2025313 PMAQI
30th Jul 2025324 PMAQI
30th Jul 2025325 PMAQI
30th Jul 2025306 PMAQI
30th Jul 2025227 PMAQI
30th Jul 2025248 PMAQI
30th Jul 2025349 PMAQI
30th Jul 20253610 PMAQI
30th Jul 20253911 PMAQI
31st Jul 20254012 AMAQI
31st Jul 2025401 AMAQI
31st Jul 2025422 AMAQI
31st Jul 2025423 AMAQI
29°C25/35°C
31st Jul 2025414 AMAQI
31st Jul 2025415 AMAQI
31st Jul 2025416 AMAQI
31st Jul 2025417 AMAQI
31st Jul 2025418 AMAQI
31st Jul 2025419 AMAQI
31st Jul 20254110 AMAQI
31st Jul 20254311 AMAQI
31st Jul 20255212 PMAQI
31st Jul 2025501 PMAQI
31st Jul 2025472 PMAQI
31st Jul 2025403 PMAQI
31st Jul 2025364 PMAQI
31st Jul 2025365 PMAQI
31st Jul 2025296 PMAQI
31st Jul 2025237 PMAQI
31st Jul 2025278 PMAQI
31st Jul 2025309 PMAQI
31st Jul 20253110 PMAQI
31st Jul 20252811 PMAQI
1st Aug 20253012 AMAQI
1st Aug 2025361 AMAQI
1st Aug 2025352 AMAQI
1st Aug 2025363 AMAQI
28°C24/34°C
1st Aug 2025374 AMAQI
1st Aug 2025355 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025367 AMAQI
1st Aug 2025378 AMAQI
1st Aug 2025389 AMAQI
1st Aug 20252610 AMAQI
1st Aug 20254211 AMAQI
1st Aug 20254812 PMAQI
1st Aug 2025471 PMAQI
1st Aug 2025342 PMAQI
1st Aug 2025323 PMAQI
1st Aug 2025414 PMAQI
1st Aug 2025325 PMAQI
1st Aug 2025386 PMAQI
1st Aug 2025287 PMAQI
1st Aug 2025288 PMAQI
1st Aug 2025309 PMAQI
1st Aug 20253210 PMAQI
1st Aug 20252811 PMAQI
2nd Aug 20254512 AMAQI
2nd Aug 2025301 AMAQI
2nd Aug 2025382 AMAQI
2nd Aug 2025373 AMAQI
27°C24/31°C
2nd Aug 2025394 AMAQI
2nd Aug 2025385 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025398 AMAQI
2nd Aug 2025439 AMAQI
2nd Aug 20253710 AMAQI
2nd Aug 20254911 AMAQI
2nd Aug 20254112 PMAQI
2nd Aug 2025491 PMAQI
2nd Aug 2025552 PMAQI
2nd Aug 2025563 PMAQI
2nd Aug 2025564 PMAQI
2nd Aug 2025545 PMAQI
2nd Aug 2025566 PMAQI
2nd Aug 2025527 PMAQI
2nd Aug 2025388 PMAQI
2nd Aug 2025369 PMAQI
2nd Aug 20253510 PMAQI
2nd Aug 20254511 PMAQI
3rd Aug 20254212 AMAQI
3rd Aug 2025391 AMAQI
3rd Aug 2025392 AMAQI
3rd Aug 2025383 AMAQI
30°C25/36°C
3rd Aug 2025414 AMAQI
3rd Aug 2025405 AMAQI
3rd Aug 2025406 AMAQI
3rd Aug 2025397 AMAQI
3rd Aug 2025398 AMAQI
3rd Aug 2025479 AMAQI
3rd Aug 20255510 AMAQI
3rd Aug 20255811 AMAQI
3rd Aug 20255912 PMAQI
3rd Aug 2025561 PMAQI
3rd Aug 2025562 PMAQI
3rd Aug 2025533 PMAQI
3rd Aug 2025514 PMAQI
3rd Aug 2025535 PMAQI
3rd Aug 2025526 PMAQI
3rd Aug 2025547 PMAQI
3rd Aug 2025528 PMAQI
3rd Aug 2025419 PMAQI
3rd Aug 20254410 PMAQI
3rd Aug 20255411 PMAQI
4th Aug 20255212 AMAQI
4th Aug 2025461 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025403 AMAQI
30°C26/36°C
4th Aug 2025454 AMAQI
4th Aug 2025455 AMAQI
4th Aug 2025446 AMAQI
4th Aug 2025447 AMAQI
4th Aug 2025448 AMAQI
4th Aug 2025609 AMAQI
4th Aug 20256410 AMAQI
4th Aug 20258011 AMAQI
4th Aug 20258112 PMAQI
4th Aug 2025871 PMAQI
4th Aug 2025922 PMAQI
4th Aug 2025863 PMAQI
4th Aug 2025914 PMAQI
4th Aug 2025905 PMAQI
4th Aug 2025866 PMAQI
4th Aug 2025777 PMAQI
4th Aug 2025668 PMAQI
4th Aug 2025609 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20254911 PMAQI
5th Aug 20255312 AMAQI
5th Aug 2025481 AMAQI
5th Aug 2025422 AMAQI
5th Aug 2025423 AMAQI
31°C27/37°C
5th Aug 2025514 AMAQI
5th Aug 2025545 AMAQI
5th Aug 2025536 AMAQI
5th Aug 2025537 AMAQI
5th Aug 2025528 AMAQI
5th Aug 2025569 AMAQI
5th Aug 20256110 AMAQI
5th Aug 20256011 AMAQI
5th Aug 20256612 PMAQI
5th Aug 2025581 PMAQI
5th Aug 2025542 PMAQI
5th Aug 2025593 PMAQI
5th Aug 2025614 PMAQI
5th Aug 2025565 PMAQI
5th Aug 2025506 PMAQI
5th Aug 2025517 PMAQI
5th Aug 2025528 PMAQI
5th Aug 2025499 PMAQI
5th Aug 20254810 PMAQI
5th Aug 20254611 PMAQI
6th Aug 20255012 AMAQI
6th Aug 2025521 AMAQI
6th Aug 2025512 AMAQI
6th Aug 2025523 AMAQI
32°C26/38°C
6th Aug 2025534 AMAQI
4 AM6th Aug 2025525 AMAQI
6th Aug 2025536 AMAQI
6th Aug 2025537 AMAQI
6th Aug 2025528 AMAQI
6th Aug 2025419 AMAQI
6th Aug 20254710 AMAQI
11 AM
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 6 PM
50AQI
15 hours / Day
450 hours / Month
Avg. Lowest Time
4 AM - 6 PM
50AQI
15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 6 PM (Avg. 50), while the lowest AQI was between 4 AM to 6 PM (Avg. 50).
Night time
Avg. Highest Time
12 AM - 3 AM
49AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM - 8 PM
43AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 49), while the lowest AQI was between 7 PM to 8 PM (Avg. 43).
2025 Days Vs Air Quality
Hachioji, Hachioji, Tokyo, Japan
2025
95%
205
5%
11
Total number of days with different AQI categories in last 218 days in 2025 (147 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 218 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
Hachioji, Hachioji, 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
25AQI
25AQI
2nd January 2025
26AQI
26AQI
3rd January 2025
23AQI
23AQI
4th January 2025
24AQI
24AQI
5th January 2025
22AQI
22AQI
6th January 2025
27AQI
27AQI
7th January 2025
26AQI
26AQI
8th January 2025
28AQI
28AQI
9th January 2025
26AQI
26AQI
10th January 2025
24AQI
24AQI
11th January 2025
24AQI
24AQI
12th January 2025
25AQI
25AQI
13th January 2025
26AQI
26AQI
14th January 2025
24AQI
24AQI
15th January 2025
28AQI
28AQI
16th January 2025
22AQI
22AQI
17th January 2025
25AQI
25AQI
18th January 2025
24AQI
24AQI
19th January 2025
27AQI
27AQI
20th January 2025
26AQI
26AQI
21st January 2025
30AQI
30AQI
22nd January 2025
29AQI
29AQI
23rd January 2025
30AQI
30AQI
24th January 2025
33AQI
33AQI
25th January 2025
31AQI
31AQI
26th January 2025
30AQI
30AQI
27th January 2025
23AQI
23AQI
28th January 2025
28AQI
28AQI
29th January 2025
27AQI
27AQI
30th January 2025
25AQI
25AQI
31st January 2025
25AQI
25AQI
1st February 2025
27AQI
27AQI
2nd February 2025
28AQI
28AQI
3rd February 2025
24AQI
24AQI
4th February 2025
32AQI
32AQI
5th February 2025
27AQI
27AQI
6th February 2025
27AQI
27AQI
7th February 2025
28AQI
28AQI
8th February 2025
27AQI
27AQI
9th February 2025
28AQI
28AQI
10th February 2025
26AQI
26AQI
11th February 2025
28AQI
28AQI
12th February 2025
26AQI
26AQI
13th February 2025
31AQI
31AQI
14th February 2025
26AQI
26AQI
15th February 2025
27AQI
27AQI
16th February 2025
30AQI
30AQI
17th February 2025
33AQI
33AQI
18th February 2025
29AQI
29AQI
19th February 2025
28AQI
28AQI
20th February 2025
29AQI
29AQI
21st February 2025
29AQI
29AQI
22nd February 2025
27AQI
27AQI
23rd February 2025
30AQI
30AQI
24th February 2025
30AQI
30AQI
25th February 2025
31AQI
31AQI
26th February 2025
32AQI
32AQI
27th February 2025
35AQI
35AQI
28th February 2025
37AQI
37AQI
1st March 2025
43AQI
43AQI
2nd March 2025
41AQI
41AQI
3rd March 2025
33AQI
33AQI
4th March 2025
30AQI
30AQI
5th March 2025
24AQI
24AQI
6th March 2025
27AQI
27AQI
7th March 2025
30AQI
30AQI
8th March 2025
30AQI
30AQI
9th March 2025
34AQI
34AQI
10th March 2025
31AQI
31AQI
11th March 2025
31AQI
31AQI
12th March 2025
29AQI
29AQI
13th March 2025
36AQI
36AQI
14th March 2025
23AQI
23AQI
15th March 2025
21AQI
21AQI
16th March 2025
17AQI
17AQI
17th March 2025
16AQI
16AQI
18th March 2025
15AQI
15AQI
19th March 2025
15AQI
15AQI
20th March 2025
17AQI
17AQI
21st March 2025
22AQI
22AQI
22nd March 2025
26AQI
26AQI
23rd March 2025
27AQI
27AQI
24th March 2025
30AQI
30AQI
25th March 2025
49AQI
49AQI
26th March 2025
58AQI
58AQI
27th March 2025
56AQI
56AQI
28th March 2025
37AQI
37AQI
29th March 2025
29AQI
29AQI
30th March 2025
32AQI
32AQI
31st March 2025
27AQI
27AQI
1st April 2025
21AQI
21AQI
2nd April 2025
21AQI
21AQI
3rd April 2025
21AQI
21AQI
4th April 2025
19AQI
19AQI
5th April 2025
19AQI
19AQI
6th April 2025
15AQI
15AQI
7th April 2025
16AQI
16AQI
8th April 2025
22AQI
22AQI
9th April 2025
17AQI
17AQI
10th April 2025
21AQI
21AQI
11th April 2025
21AQI
21AQI
12th April 2025
20AQI
20AQI
13th April 2025
18AQI
18AQI
14th April 2025
20AQI
20AQI
15th April 2025
19AQI
19AQI
16th April 2025
18AQI
18AQI
17th April 2025
26AQI
26AQI
18th April 2025
29AQI
29AQI
19th April 2025
31AQI
31AQI
20th April 2025
28AQI
28AQI
21st April 2025
24AQI
24AQI
22nd April 2025
21AQI
21AQI
23rd April 2025
16AQI
16AQI
24th April 2025
15AQI
15AQI
25th April 2025
17AQI
17AQI
26th April 2025
20AQI
20AQI
27th April 2025
19AQI
19AQI
28th April 2025
20AQI
20AQI
29th April 2025
15AQI
15AQI
30th April 2025
19AQI
19AQI
1st May 2025
19AQI
19AQI
2nd May 2025
16AQI
16AQI
3rd May 2025
17AQI
17AQI
4th May 2025
24AQI
24AQI
5th May 2025
20AQI
20AQI
6th May 2025
18AQI
18AQI
7th May 2025
16AQI
16AQI
8th May 2025
18AQI
18AQI
9th May 2025
18AQI
18AQI
10th May 2025
15AQI
15AQI
11th May 2025
16AQI
16AQI
12th May 2025
17AQI
17AQI
13th May 2025
20AQI
20AQI
14th May 2025
24AQI
24AQI
15th May 2025
22AQI
22AQI
16th May 2025
23AQI
23AQI
17th May 2025
22AQI
22AQI
18th May 2025
26AQI
26AQI
19th May 2025
28AQI
28AQI
20th May 2025
39AQI
39AQI
21st May 2025
44AQI
44AQI
22nd May 2025
32AQI
32AQI
23rd May 2025
37AQI
37AQI
24th May 2025
30AQI
30AQI
25th May 2025
25AQI
25AQI
26th May 2025
24AQI
24AQI
27th May 2025
20AQI
20AQI
28th May 2025
20AQI
20AQI
29th May 2025
21AQI
21AQI
30th May 2025
17AQI
17AQI
31st May 2025
17AQI
17AQI
1st June 2025
15AQI
15AQI
2nd June 2025
20AQI
20AQI
3rd June 2025
17AQI
17AQI
4th June 2025
18AQI
18AQI
5th June 2025
21AQI
21AQI
6th June 2025
23AQI
23AQI
7th June 2025
26AQI
26AQI
8th June 2025
32AQI
32AQI
9th June 2025
26AQI
26AQI
10th June 2025
21AQI
21AQI
11th June 2025
21AQI
21AQI
12th June 2025
25AQI
25AQI
13th June 2025
23AQI
23AQI
14th June 2025
19AQI
19AQI
15th June 2025
18AQI
18AQI
16th June 2025
20AQI
20AQI
17th June 2025
26AQI
26AQI
18th June 2025
23AQI
23AQI
19th June 2025
25AQI
25AQI
20th June 2025
23AQI
23AQI
21st June 2025
20AQI
20AQI
22nd June 2025
14AQI
14AQI
23rd June 2025
15AQI
15AQI
24th June 2025
15AQI
15AQI
25th June 2025
15AQI
15AQI
26th June 2025
16AQI
16AQI
27th June 2025
19AQI
19AQI
28th June 2025
18AQI
18AQI
29th June 2025
20AQI
20AQI
30th June 2025
32AQI
32AQI
1st July 2025
36AQI
36AQI
2nd July 2025
41AQI
41AQI
3rd July 2025
49AQI
49AQI
4th July 2025
47AQI
47AQI
5th July 2025
50AQI
50AQI
6th July 2025
56AQI
56AQI
7th July 2025
71AQI
71AQI
8th July 2025
75AQI
75AQI
9th July 2025
77AQI
77AQI
10th July 2025
65AQI
65AQI
11th July 2025
55AQI
55AQI
12th July 2025
56AQI
56AQI
13th July 2025
55AQI
55AQI
14th July 2025
47AQI
47AQI
15th July 2025
45AQI
45AQI
16th July 2025
49AQI
49AQI
17th July 2025
46AQI
46AQI
18th July 2025
41AQI
41AQI
19th July 2025
38AQI
38AQI
20th July 2025
36AQI
36AQI
21st July 2025
39AQI
39AQI
22nd July 2025
42AQI
42AQI
23rd July 2025
46AQI
46AQI
24th July 2025
47AQI
47AQI
25th July 2025
44AQI
44AQI
26th July 2025
43AQI
43AQI
27th July 2025
40AQI
40AQI
28th July 2025
45AQI
45AQI
29th July 2025
45AQI
45AQI
30th July 2025
34AQI
34AQI
31st July 2025
38AQI
38AQI
1st August 2025
35AQI
35AQI
2nd August 2025
43AQI
43AQI
3rd August 2025
47AQI
47AQI
4th August 2025
61AQI
61AQI
26AQI
29AQI
30AQI
20AQI
23AQI
21AQI
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
1
205
11
Highest AQI recorded in
July48AQI
Lowest AQI recorded in
April20AQI
202429AQI
31
29
31
30
31
28
2
25
6
31
30
31
30
31
358
8
Highest AQI recorded in
July38AQI
Lowest AQI recorded in
January22AQI
202328AQI
31
28
30
1
27
3
29
2
28
2
31
31
30
31
29
31
356
8
Highest AQI recorded in
April38AQI
Lowest AQI recorded in
December21AQI
202228AQI
3
20
1
31
29
1
31
29
1
21
3
1
28
31
28
2
31
283
8
Highest AQI recorded in
July34AQI
Lowest AQI recorded in
January15AQI
202123AQI
21
2
30
31
30
31
143
2
Highest AQI recorded in
August29AQI
Lowest AQI recorded in
December18AQI
202015AQI
13
21
18
30
31
31
8
152
Highest AQI recorded in
August23AQI
Lowest AQI recorded in
September8AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2024(Avg.)
29AQILeast Polluted Year Recorded
2020(Avg.)
15AQIHachioji's annual 2025 AQI (29) shows an average percentage change of 23.2% (worsened AQI) compared to previous years: 2020 (15), 2021 (23), 2022 (28), 2023 (28), 2024 (29).
