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, Tokyo, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
14th Aug 2023
71AQILowest AQI recorded on
30th Aug 2024
10AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 40 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Hachioji, Tokyo, Japan
AQI
Day
Night
.
4 AM3rd Aug 2025
6 PM
3 AM4th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
12PM3rd Aug
60AQI
Avg. Lowest Time
8AM3rd Aug
39AQI
In the last 24 hours,
Hachioji's AQI reached its highest point of 60 at 12 PM during the Night, while the lowest point, undefined, was recorded at 3 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Hachioji, Tokyo, Japan
JulAug
05th - 06th06th - 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
Day
Night
5th Jul 2025494 AMAQI
5th Jul 2025515 AMAQI
5th Jul 2025516 AMAQI
5th Jul 2025517 AMAQI
5th Jul 2025528 AMAQI
5th Jul 2025519 AMAQI
5th Jul 20255010 AMAQI
5th Jul 20255411 AMAQI
5th Jul 20255612 PMAQI
5th Jul 2025571 PMAQI
5th Jul 2025572 PMAQI
5th Jul 2025573 PMAQI
5th Jul 2025574 PMAQI
5th Jul 2025575 PMAQI
5th Jul 2025596 PMAQI
5th Jul 2025607 PMAQI
5th Jul 2025608 PMAQI
5th Jul 2025549 PMAQI
5th Jul 20255410 PMAQI
5th Jul 20255211 PMAQI
6th Jul 20255212 AMAQI
6th Jul 2025501 AMAQI
6th Jul 2025482 AMAQI
6th Jul 2025463 AMAQI
28°C24/32°C
6th Jul 2025484 AMAQI
6th Jul 2025505 AMAQI
6th Jul 2025516 AMAQI
6th Jul 2025527 AMAQI
6th Jul 2025538 AMAQI
6th Jul 2025599 AMAQI
6th Jul 20256310 AMAQI
6th Jul 20256511 AMAQI
6th Jul 20256512 PMAQI
6th Jul 2025621 PMAQI
6th Jul 2025612 PMAQI
6th Jul 2025633 PMAQI
6th Jul 2025634 PMAQI
6th Jul 2025605 PMAQI
6th Jul 2025646 PMAQI
6th Jul 2025777 PMAQI
6th Jul 2025758 PMAQI
6th Jul 2025629 PMAQI
6th Jul 20256110 PMAQI
6th Jul 20256011 PMAQI
7th Jul 20256112 AMAQI
7th Jul 2025571 AMAQI
7th Jul 2025522 AMAQI
7th Jul 2025523 AMAQI
29°C25/34°C
7th Jul 2025534 AMAQI
7th Jul 2025565 AMAQI
7th Jul 2025626 AMAQI
7th Jul 2025627 AMAQI
7th Jul 2025628 AMAQI
7th Jul 2025889 AMAQI
7th Jul 20259510 AMAQI
7th Jul 20259411 AMAQI
7th Jul 20259112 PMAQI
7th Jul 2025841 PMAQI
7th Jul 2025812 PMAQI
7th Jul 2025873 PMAQI
7th Jul 2025924 PMAQI
7th Jul 2025945 PMAQI
7th Jul 2025936 PMAQI
7th Jul 20251007 PMAQI
7th Jul 2025938 PMAQI
7th Jul 2025759 PMAQI
7th Jul 20257210 PMAQI
7th Jul 20257111 PMAQI
8th Jul 20257112 AMAQI
8th Jul 2025651 AMAQI
8th Jul 2025582 AMAQI
8th Jul 2025583 AMAQI
29°C26/33°C
8th Jul 2025594 AMAQI
8th Jul 2025645 AMAQI
8th Jul 2025746 AMAQI
8th Jul 2025747 AMAQI
8th Jul 2025748 AMAQI
8th Jul 20251099 AMAQI
8th Jul 202512510 AMAQI
8th Jul 202511311 AMAQI
8th Jul 20259912 PMAQI
8th Jul 2025861 PMAQI
8th Jul 2025832 PMAQI
8th Jul 2025783 PMAQI
8th Jul 2025764 PMAQI
8th Jul 2025775 PMAQI
8th Jul 2025816 PMAQI
8th Jul 2025847 PMAQI
8th Jul 2025848 PMAQI
8th Jul 2025769 PMAQI
8th Jul 20257410 PMAQI
8th Jul 20257311 PMAQI
9th Jul 20257412 AMAQI
9th Jul 2025711 AMAQI
9th Jul 2025662 AMAQI
9th Jul 2025663 AMAQI
29°C26/33°C
9th Jul 2025684 AMAQI
9th Jul 2025725 AMAQI
9th Jul 2025756 AMAQI
9th Jul 2025747 AMAQI
9th Jul 2025758 AMAQI
9th Jul 2025909 AMAQI
9th Jul 20259610 AMAQI
9th Jul 20259311 AMAQI
9th Jul 20259612 PMAQI
9th Jul 20251021 PMAQI
9th Jul 20251012 PMAQI
9th Jul 2025943 PMAQI
9th Jul 2025984 PMAQI
9th Jul 2025945 PMAQI
9th Jul 2025896 PMAQI
9th Jul 2025807 PMAQI
9th Jul 2025718 PMAQI
9th Jul 2025709 PMAQI
9th Jul 20256510 PMAQI
9th Jul 20256511 PMAQI
10th Jul 20256412 AMAQI
10th Jul 2025671 AMAQI
10th Jul 2025702 AMAQI
10th Jul 2025713 AMAQI
29°C25/33°C
10th Jul 2025724 AMAQI
10th Jul 2025755 AMAQI
10th Jul 2025756 AMAQI
10th Jul 2025757 AMAQI
10th Jul 2025758 AMAQI
10th Jul 2025799 AMAQI
10th Jul 20258210 AMAQI
10th Jul 20259011 AMAQI
10th Jul 20258512 PMAQI
10th Jul 2025721 PMAQI
10th Jul 2025672 PMAQI
10th Jul 2025593 PMAQI
10th Jul 2025544 PMAQI
10th Jul 2025425 PMAQI
10th Jul 2025386 PMAQI
10th Jul 2025407 PMAQI
10th Jul 2025458 PMAQI
10th Jul 2025599 PMAQI
10th Jul 20256010 PMAQI
10th Jul 20256011 PMAQI
11th Jul 20256012 AMAQI
11th Jul 2025631 AMAQI
11th Jul 2025702 AMAQI
11th Jul 2025693 AMAQI
28°C23/34°C
11th Jul 2025704 AMAQI
11th Jul 2025705 AMAQI
11th Jul 2025706 AMAQI
11th Jul 2025707 AMAQI
11th Jul 2025708 AMAQI
11th Jul 2025339 AMAQI
11th Jul 20252010 AMAQI
11th Jul 20252011 AMAQI
11th Jul 20252412 PMAQI
11th Jul 2025381 PMAQI
11th Jul 2025382 PMAQI
11th Jul 2025393 PMAQI
11th Jul 2025404 PMAQI
11th Jul 2025425 PMAQI
11th Jul 2025406 PMAQI
11th Jul 2025397 PMAQI
11th Jul 2025448 PMAQI
11th Jul 2025579 PMAQI
11th Jul 20255810 PMAQI
11th Jul 20255811 PMAQI
12th Jul 20255812 AMAQI
12th Jul 2025601 AMAQI
12th Jul 2025662 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 2025409 AMAQI
12th Jul 20253310 AMAQI
12th Jul 20253611 AMAQI
12th Jul 20253812 PMAQI
12th Jul 2025461 PMAQI
12th Jul 2025492 PMAQI
12th Jul 2025503 PMAQI
12th Jul 2025534 PMAQI
12th Jul 2025535 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 2025591 AMAQI
13th Jul 2025612 AMAQI
13th Jul 2025613 AMAQI
24°C20/28°C
13th Jul 2025614 AMAQI
13th Jul 2025595 AMAQI
13th Jul 2025596 AMAQI
13th Jul 2025597 AMAQI
13th Jul 2025598 AMAQI
13th Jul 2025509 AMAQI
13th Jul 20254610 AMAQI
13th Jul 20255111 AMAQI
13th Jul 20255212 PMAQI
13th Jul 2025521 PMAQI
13th Jul 2025522 PMAQI
13th Jul 2025513 PMAQI
13th Jul 2025454 PMAQI
13th Jul 2025405 PMAQI
13th Jul 2025406 PMAQI
13th Jul 2025417 PMAQI
13th Jul 2025468 PMAQI
13th Jul 2025549 PMAQI
13th Jul 20255410 PMAQI
13th Jul 20255411 PMAQI
14th Jul 20255312 AMAQI
14th Jul 2025561 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 20251711 AMAQI
14th Jul 20251912 PMAQI
14th Jul 2025301 PMAQI
14th Jul 2025292 PMAQI
14th Jul 2025303 PMAQI
14th Jul 2025334 PMAQI
14th Jul 2025345 PMAQI
14th Jul 2025346 PMAQI
14th Jul 2025317 PMAQI
14th Jul 2025348 PMAQI
14th Jul 2025509 PMAQI
14th Jul 20255110 PMAQI
14th Jul 20255011 PMAQI
15th Jul 20255112 AMAQI
15th Jul 2025531 AMAQI
15th Jul 2025572 AMAQI
15th Jul 2025573 AMAQI
25°C23/29°C
15th Jul 2025564 AMAQI
15th Jul 2025555 AMAQI
15th Jul 2025556 AMAQI
15th Jul 2025557 AMAQI
15th Jul 2025558 AMAQI
15th Jul 2025259 AMAQI
15th Jul 20251410 AMAQI
15th Jul 20251511 AMAQI
15th Jul 20251912 PMAQI
15th Jul 2025321 PMAQI
15th Jul 2025322 PMAQI
15th Jul 2025323 PMAQI
15th Jul 2025334 PMAQI
15th Jul 2025305 PMAQI
15th Jul 2025286 PMAQI
15th Jul 2025277 PMAQI
15th Jul 2025338 PMAQI
15th Jul 2025479 PMAQI
15th Jul 20254810 PMAQI
15th Jul 20254811 PMAQI
16th Jul 20254812 AMAQI
16th Jul 2025501 AMAQI
16th Jul 2025542 AMAQI
16th Jul 2025543 AMAQI
26°C25/30°C
16th Jul 2025544 AMAQI
16th Jul 2025525 AMAQI
16th Jul 2025526 AMAQI
16th Jul 2025537 AMAQI
16th Jul 2025528 AMAQI
16th Jul 2025569 AMAQI
16th Jul 20255810 AMAQI
16th Jul 20255811 AMAQI
16th Jul 20254812 PMAQI
16th Jul 2025371 PMAQI
16th Jul 2025332 PMAQI
16th Jul 2025303 PMAQI
16th Jul 2025304 PMAQI
16th Jul 2025345 PMAQI
16th Jul 2025336 PMAQI
16th Jul 2025317 PMAQI
16th Jul 2025318 PMAQI
16th Jul 2025449 PMAQI
16th Jul 20254610 PMAQI
16th Jul 20254611 PMAQI
17th Jul 20254512 AMAQI
17th Jul 2025471 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025523 AMAQI
27°C23/31°C
17th Jul 2025524 AMAQI
17th Jul 2025525 AMAQI
17th Jul 2025526 AMAQI
17th Jul 2025527 AMAQI
17th Jul 2025528 AMAQI
17th Jul 2025269 AMAQI
17th Jul 20252810 AMAQI
17th Jul 20254111 AMAQI
17th Jul 20253812 PMAQI
17th Jul 2025341 PMAQI
17th Jul 2025362 PMAQI
17th Jul 2025363 PMAQI
17th Jul 2025364 PMAQI
17th Jul 2025355 PMAQI
17th Jul 2025356 PMAQI
17th Jul 2025367 PMAQI
17th Jul 2025398 PMAQI
17th Jul 2025459 PMAQI
17th Jul 20254510 PMAQI
17th Jul 20254511 PMAQI
18th Jul 20254412 AMAQI
18th Jul 2025461 AMAQI
18th Jul 2025492 AMAQI
18th Jul 2025503 AMAQI
27°C24/32°C
18th Jul 2025494 AMAQI
18th Jul 2025475 AMAQI
18th Jul 2025476 AMAQI
18th Jul 2025467 AMAQI
18th Jul 2025468 AMAQI
18th Jul 2025349 AMAQI
18th Jul 20253010 AMAQI
18th Jul 20252711 AMAQI
18th Jul 20252812 PMAQI
18th Jul 2025301 PMAQI
18th Jul 2025312 PMAQI
18th Jul 2025303 PMAQI
18th Jul 2025274 PMAQI
18th Jul 2025275 PMAQI
18th Jul 2025296 PMAQI
18th Jul 2025287 PMAQI
18th Jul 2025318 PMAQI
18th Jul 2025409 PMAQI
18th Jul 20254210 PMAQI
18th Jul 20254111 PMAQI
19th Jul 20254012 AMAQI
19th Jul 2025411 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025463 AMAQI
27°C23/32°C
19th Jul 2025454 AMAQI
19th Jul 2025435 AMAQI
19th Jul 2025446 AMAQI
19th Jul 2025437 AMAQI
19th Jul 2025438 AMAQI
19th Jul 2025349 AMAQI
19th Jul 20253110 AMAQI
19th Jul 20252311 AMAQI
19th Jul 20252512 PMAQI
19th Jul 2025301 PMAQI
19th Jul 2025282 PMAQI
19th Jul 2025263 PMAQI
19th Jul 2025264 PMAQI
19th Jul 2025265 PMAQI
19th Jul 2025266 PMAQI
19th Jul 2025297 PMAQI
19th Jul 2025328 PMAQI
19th Jul 2025389 PMAQI
19th Jul 20253810 PMAQI
19th Jul 20253911 PMAQI
20th Jul 20253912 AMAQI
20th Jul 2025401 AMAQI
20th Jul 2025432 AMAQI
20th Jul 2025443 AMAQI
27°C24/32°C
20th Jul 2025434 AMAQI
20th Jul 2025415 AMAQI
20th Jul 2025426 AMAQI
20th Jul 2025427 AMAQI
20th Jul 2025428 AMAQI
20th Jul 2025369 AMAQI
20th Jul 20253110 AMAQI
20th Jul 20253111 AMAQI
20th Jul 20253012 PMAQI
20th Jul 2025321 PMAQI
20th Jul 2025302 PMAQI
20th Jul 2025303 PMAQI
20th Jul 2025284 PMAQI
20th Jul 2025265 PMAQI
20th Jul 2025296 PMAQI
20th Jul 2025337 PMAQI
20th Jul 2025318 PMAQI
20th Jul 2025359 PMAQI
20th Jul 20253610 PMAQI
20th Jul 20253611 PMAQI
21st Jul 20253612 AMAQI
21st Jul 2025381 AMAQI
21st Jul 2025412 AMAQI
21st Jul 2025423 AMAQI
29°C24/33°C
21st Jul 2025414 AMAQI
21st Jul 2025395 AMAQI
21st Jul 2025396 AMAQI
21st Jul 2025397 AMAQI
21st Jul 2025398 AMAQI
21st Jul 2025439 AMAQI
21st Jul 20254910 AMAQI
21st Jul 20255111 AMAQI
21st Jul 20254812 PMAQI
21st Jul 2025451 PMAQI
21st Jul 2025422 PMAQI
21st Jul 2025413 PMAQI
21st Jul 2025384 PMAQI
21st Jul 2025335 PMAQI
21st Jul 2025316 PMAQI
21st Jul 2025327 PMAQI
21st Jul 2025338 PMAQI
21st Jul 2025369 PMAQI
21st Jul 20253610 PMAQI
21st Jul 20253511 PMAQI
22nd Jul 20253512 AMAQI
22nd Jul 2025361 AMAQI
22nd Jul 2025392 AMAQI
22nd Jul 2025393 AMAQI
29°C25/34°C
22nd Jul 2025394 AMAQI
22nd Jul 2025405 AMAQI
22nd Jul 2025396 AMAQI
22nd Jul 2025407 AMAQI
22nd Jul 2025418 AMAQI
22nd Jul 2025509 AMAQI
22nd Jul 20255710 AMAQI
22nd Jul 20255811 AMAQI
22nd Jul 20255812 PMAQI
22nd Jul 2025551 PMAQI
22nd Jul 2025542 PMAQI
22nd Jul 2025533 PMAQI
22nd Jul 2025464 PMAQI
22nd Jul 2025355 PMAQI
22nd Jul 2025336 PMAQI
22nd Jul 2025367 PMAQI
22nd Jul 2025358 PMAQI
22nd Jul 2025349 PMAQI
22nd Jul 20253410 PMAQI
22nd Jul 20253711 PMAQI
23rd Jul 20254212 AMAQI
23rd Jul 2025411 AMAQI
23rd Jul 2025382 AMAQI
23rd Jul 2025383 AMAQI
30°C26/35°C
23rd Jul 2025404 AMAQI
23rd Jul 2025425 AMAQI
23rd Jul 2025426 AMAQI
23rd Jul 2025427 AMAQI
23rd Jul 2025428 AMAQI
23rd Jul 2025549 AMAQI
23rd Jul 20256110 AMAQI
23rd Jul 20256511 AMAQI
23rd Jul 20256512 PMAQI
23rd Jul 2025631 PMAQI
23rd Jul 2025582 PMAQI
23rd Jul 2025573 PMAQI
23rd Jul 2025544 PMAQI
23rd Jul 2025495 PMAQI
23rd Jul 2025426 PMAQI
23rd Jul 2025367 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 2025412 AMAQI
24th Jul 2025413 AMAQI
30°C26/35°C
24th Jul 2025434 AMAQI
24th Jul 2025465 AMAQI
24th Jul 2025466 AMAQI
24th Jul 2025467 AMAQI
24th Jul 2025468 AMAQI
24th Jul 2025559 AMAQI
24th Jul 20256010 AMAQI
24th Jul 20256311 AMAQI
24th Jul 20256412 PMAQI
24th Jul 2025591 PMAQI
24th Jul 2025582 PMAQI
24th Jul 2025543 PMAQI
24th Jul 2025504 PMAQI
24th Jul 2025465 PMAQI
24th Jul 2025386 PMAQI
24th Jul 2025377 PMAQI
24th Jul 2025408 PMAQI
24th Jul 2025419 PMAQI
24th Jul 20254610 PMAQI
24th Jul 20254811 PMAQI
25th Jul 20254812 AMAQI
25th Jul 2025461 AMAQI
25th Jul 2025432 AMAQI
25th Jul 2025433 AMAQI
30°C26/35°C
25th Jul 2025444 AMAQI
25th Jul 2025475 AMAQI
25th Jul 2025476 AMAQI
25th Jul 2025477 AMAQI
25th Jul 2025488 AMAQI
25th Jul 2025549 AMAQI
25th Jul 20255610 AMAQI
25th Jul 20255611 AMAQI
25th Jul 20255912 PMAQI
25th Jul 2025551 PMAQI
25th Jul 2025502 PMAQI
25th Jul 2025443 PMAQI
25th Jul 2025434 PMAQI
25th Jul 2025335 PMAQI
25th Jul 2025306 PMAQI
25th Jul 2025307 PMAQI
25th Jul 2025378 PMAQI
25th Jul 2025449 PMAQI
25th Jul 20254510 PMAQI
25th Jul 20254611 PMAQI
26th Jul 20254612 AMAQI
26th Jul 2025461 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 2025539 AMAQI
26th Jul 20255510 AMAQI
26th Jul 20255311 AMAQI
26th Jul 20255312 PMAQI
26th Jul 2025501 PMAQI
26th Jul 2025462 PMAQI
26th Jul 2025363 PMAQI
26th Jul 2025324 PMAQI
26th Jul 2025325 PMAQI
26th Jul 2025296 PMAQI
26th Jul 2025307 PMAQI
26th Jul 2025338 PMAQI
26th Jul 2025399 PMAQI
26th Jul 20254210 PMAQI
26th Jul 20254311 PMAQI
27th Jul 20254412 AMAQI
27th Jul 2025441 AMAQI
27th Jul 2025462 AMAQI
27th Jul 2025463 AMAQI
30°C26/36°C
27th Jul 2025474 AMAQI
27th Jul 2025485 AMAQI
27th Jul 2025486 AMAQI
27th Jul 2025487 AMAQI
27th Jul 2025488 AMAQI
27th Jul 2025459 AMAQI
27th Jul 20254210 AMAQI
27th Jul 20254111 AMAQI
27th Jul 20254412 PMAQI
27th Jul 2025441 PMAQI
27th Jul 2025392 PMAQI
27th Jul 2025353 PMAQI
27th Jul 2025344 PMAQI
27th Jul 2025315 PMAQI
27th Jul 2025276 PMAQI
27th Jul 2025257 PMAQI
27th Jul 2025278 PMAQI
27th Jul 2025379 PMAQI
27th Jul 20254110 PMAQI
27th Jul 20254211 PMAQI
28th Jul 20253912 AMAQI
28th Jul 2025421 AMAQI
28th Jul 2025472 AMAQI
28th Jul 2025463 AMAQI
30°C26/35°C
28th Jul 2025464 AMAQI
28th Jul 2025455 AMAQI
28th Jul 2025466 AMAQI
28th Jul 2025457 AMAQI
28th Jul 2025458 AMAQI
28th Jul 2025449 AMAQI
28th Jul 20254810 AMAQI
28th Jul 20255211 AMAQI
28th Jul 20255312 PMAQI
28th Jul 2025511 PMAQI
28th Jul 2025542 PMAQI
28th Jul 2025543 PMAQI
28th Jul 2025544 PMAQI
28th Jul 2025485 PMAQI
28th Jul 2025426 PMAQI
28th Jul 2025427 PMAQI
28th Jul 2025428 PMAQI
28th Jul 2025409 PMAQI
28th Jul 20254110 PMAQI
28th Jul 20254011 PMAQI
29th Jul 20253912 AMAQI
29th Jul 2025381 AMAQI
29th Jul 2025422 AMAQI
29th Jul 2025423 AMAQI
30°C26/35°C
29th Jul 2025434 AMAQI
29th Jul 2025455 AMAQI
29th Jul 2025456 AMAQI
29th Jul 2025457 AMAQI
29th Jul 2025458 AMAQI
29th Jul 2025539 AMAQI
29th Jul 20255810 AMAQI
29th Jul 20255911 AMAQI
29th Jul 20255512 PMAQI
29th Jul 2025501 PMAQI
29th Jul 2025492 PMAQI
29th Jul 2025523 PMAQI
29th Jul 2025544 PMAQI
29th Jul 2025545 PMAQI
29th Jul 2025496 PMAQI
29th Jul 2025407 PMAQI
29th Jul 2025378 PMAQI
29th Jul 2025369 PMAQI
29th Jul 20253610 PMAQI
29th Jul 20253711 PMAQI
30th Jul 20253712 AMAQI
30th Jul 2025391 AMAQI
30th Jul 2025412 AMAQI
30th Jul 2025423 AMAQI
30°C25/36°C
30th Jul 2025424 AMAQI
30th Jul 2025445 AMAQI
30th Jul 2025446 AMAQI
30th Jul 2025447 AMAQI
30th Jul 2025448 AMAQI
30th Jul 2025279 AMAQI
30th Jul 20252010 AMAQI
30th Jul 20252011 AMAQI
30th Jul 20252512 PMAQI
30th Jul 2025301 PMAQI
30th Jul 2025312 PMAQI
30th Jul 2025323 PMAQI
30th Jul 2025334 PMAQI
30th Jul 2025345 PMAQI
30th Jul 2025316 PMAQI
30th Jul 2025277 PMAQI
30th Jul 2025288 PMAQI
30th Jul 2025369 PMAQI
30th Jul 20253710 PMAQI
30th Jul 20254011 PMAQI
31st Jul 20254012 AMAQI
31st Jul 2025391 AMAQI
31st Jul 2025422 AMAQI
31st Jul 2025423 AMAQI
29°C25/35°C
31st Jul 2025424 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 20254912 PMAQI
31st Jul 2025481 PMAQI
31st Jul 2025462 PMAQI
31st Jul 2025413 PMAQI
31st Jul 2025384 PMAQI
31st Jul 2025395 PMAQI
31st Jul 2025326 PMAQI
31st Jul 2025277 PMAQI
31st Jul 2025298 PMAQI
31st Jul 2025329 PMAQI
31st Jul 20253110 PMAQI
31st Jul 20252811 PMAQI
1st Aug 20252912 AMAQI
1st Aug 2025361 AMAQI
1st Aug 2025352 AMAQI
1st Aug 2025363 AMAQI
28°C24/34°C
1st Aug 2025364 AMAQI
1st Aug 2025355 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025357 AMAQI
1st Aug 2025378 AMAQI
1st Aug 2025359 AMAQI
1st Aug 20252610 AMAQI
1st Aug 20254111 AMAQI
1st Aug 20254712 PMAQI
1st Aug 2025461 PMAQI
1st Aug 2025362 PMAQI
1st Aug 2025343 PMAQI
1st Aug 2025414 PMAQI
1st Aug 2025345 PMAQI
1st Aug 2025386 PMAQI
1st Aug 2025297 PMAQI
1st Aug 2025288 PMAQI
1st Aug 2025319 PMAQI
1st Aug 20253110 PMAQI
1st Aug 20252811 PMAQI
2nd Aug 20253512 AMAQI
2nd Aug 2025301 AMAQI
2nd Aug 2025372 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 2025429 AMAQI
2nd Aug 20253710 AMAQI
2nd Aug 20254611 AMAQI
2nd Aug 20253912 PMAQI
2nd Aug 2025481 PMAQI
2nd Aug 2025562 PMAQI
2nd Aug 2025563 PMAQI
2nd Aug 2025564 PMAQI
2nd Aug 2025545 PMAQI
2nd Aug 2025576 PMAQI
2nd Aug 2025527 PMAQI
2nd Aug 2025398 PMAQI
2nd Aug 2025379 PMAQI
2nd Aug 20253610 PMAQI
2nd Aug 20254511 PMAQI
3rd Aug 20253712 AMAQI
3rd Aug 2025371 AMAQI
3rd Aug 2025382 AMAQI
3rd Aug 2025383 AMAQI
30°C25/36°C
3rd Aug 2025404 AMAQI
3rd Aug 2025405 AMAQI
3rd Aug 2025406 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025398 AMAQI
3rd Aug 2025459 AMAQI
3rd Aug 20255510 AMAQI
3rd Aug 20255711 AMAQI
3rd Aug 20256012 PMAQI
3rd Aug 2025571 PMAQI
3rd Aug 2025572 PMAQI
3rd Aug 2025533 PMAQI
3rd Aug 2025534 PMAQI
3rd Aug 2025545 PMAQI
3rd Aug 2025536 PMAQI
3rd Aug 2025557 PMAQI
3rd Aug 2025538 PMAQI
3rd Aug 2025429 PMAQI
3rd Aug 20254410 PMAQI
3rd Aug 20254511 PMAQI
4th Aug 20254212 AMAQI
--°C/°C
4 AM
11 AM
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 6 PM
49AQI
15 hours / Day
450 hours / Month
Avg. Lowest Time
4 AM - 6 PM
49AQI
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. 49), while the lowest AQI was between 4 AM to 6 PM (Avg. 49).
Night time
Avg. Highest Time
12 AM - 3 AM
48AQI
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. 48), while the lowest AQI was between 7 PM to 8 PM (Avg. 43).
2025 Days Vs Air Quality
Hachioji, Tokyo, Japan
2025
95%
203
5%
11
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
203 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 215 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, 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
26AQI
26AQI
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
29AQI
29AQI
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
25AQI
25AQI
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
34AQI
34AQI
25th January 2025
31AQI
31AQI
26th January 2025
30AQI
30AQI
27th January 2025
24AQI
24AQI
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
29AQI
29AQI
3rd February 2025
24AQI
24AQI
4th February 2025
30AQI
30AQI
5th February 2025
27AQI
27AQI
6th February 2025
28AQI
28AQI
7th February 2025
28AQI
28AQI
8th February 2025
28AQI
28AQI
9th February 2025
28AQI
28AQI
10th February 2025
26AQI
26AQI
11th February 2025
28AQI
28AQI
12th February 2025
26AQI
26AQI
13th February 2025
30AQI
30AQI
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
31AQI
31AQI
24th February 2025
30AQI
30AQI
25th February 2025
32AQI
32AQI
26th February 2025
32AQI
32AQI
27th February 2025
35AQI
35AQI
28th February 2025
38AQI
38AQI
1st March 2025
43AQI
43AQI
2nd March 2025
41AQI
41AQI
3rd March 2025
33AQI
33AQI
4th March 2025
29AQI
29AQI
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
35AQI
35AQI
14th March 2025
23AQI
23AQI
15th March 2025
21AQI
21AQI
16th March 2025
17AQI
17AQI
17th March 2025
16AQI
16AQI
18th March 2025
16AQI
16AQI
19th March 2025
15AQI
15AQI
20th March 2025
17AQI
17AQI
21st March 2025
21AQI
21AQI
22nd March 2025
25AQI
25AQI
23rd March 2025
27AQI
27AQI
24th March 2025
31AQI
31AQI
25th March 2025
48AQI
48AQI
26th March 2025
59AQI
59AQI
27th March 2025
56AQI
56AQI
28th March 2025
36AQI
36AQI
29th March 2025
29AQI
29AQI
30th March 2025
33AQI
33AQI
31st March 2025
27AQI
27AQI
1st April 2025
22AQI
22AQI
2nd April 2025
21AQI
21AQI
3rd April 2025
20AQI
20AQI
4th April 2025
19AQI
19AQI
5th April 2025
19AQI
19AQI
6th April 2025
14AQI
14AQI
7th April 2025
16AQI
16AQI
8th April 2025
19AQI
19AQI
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
19AQI
19AQI
17th April 2025
25AQI
25AQI
18th April 2025
29AQI
29AQI
19th April 2025
31AQI
31AQI
20th April 2025
28AQI
28AQI
21st April 2025
24AQI
24AQI
22nd April 2025
22AQI
22AQI
23rd April 2025
16AQI
16AQI
24th April 2025
16AQI
16AQI
25th April 2025
17AQI
17AQI
26th April 2025
20AQI
20AQI
27th April 2025
20AQI
20AQI
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
22AQI
22AQI
5th May 2025
19AQI
19AQI
6th May 2025
18AQI
18AQI
7th May 2025
15AQI
15AQI
8th May 2025
18AQI
18AQI
9th May 2025
17AQI
17AQI
10th May 2025
15AQI
15AQI
11th May 2025
16AQI
16AQI
12th May 2025
17AQI
17AQI
13th May 2025
19AQI
19AQI
14th May 2025
22AQI
22AQI
15th May 2025
21AQI
21AQI
16th May 2025
23AQI
23AQI
17th May 2025
21AQI
21AQI
18th May 2025
24AQI
24AQI
19th May 2025
26AQI
26AQI
20th May 2025
40AQI
40AQI
21st May 2025
43AQI
43AQI
22nd May 2025
33AQI
33AQI
23rd May 2025
34AQI
34AQI
24th May 2025
28AQI
28AQI
25th May 2025
23AQI
23AQI
26th May 2025
23AQI
23AQI
27th May 2025
20AQI
20AQI
28th May 2025
19AQI
19AQI
29th May 2025
22AQI
22AQI
30th May 2025
18AQI
18AQI
31st May 2025
16AQI
16AQI
1st June 2025
16AQI
16AQI
2nd June 2025
20AQI
20AQI
3rd June 2025
18AQI
18AQI
4th June 2025
19AQI
19AQI
5th June 2025
24AQI
24AQI
6th June 2025
25AQI
25AQI
7th June 2025
28AQI
28AQI
8th June 2025
34AQI
34AQI
9th June 2025
28AQI
28AQI
10th June 2025
25AQI
25AQI
11th June 2025
23AQI
23AQI
12th June 2025
27AQI
27AQI
13th June 2025
25AQI
25AQI
14th June 2025
22AQI
22AQI
15th June 2025
22AQI
22AQI
16th June 2025
24AQI
24AQI
17th June 2025
30AQI
30AQI
18th June 2025
27AQI
27AQI
19th June 2025
28AQI
28AQI
20th June 2025
26AQI
26AQI
21st June 2025
22AQI
22AQI
22nd June 2025
15AQI
15AQI
23rd June 2025
15AQI
15AQI
24th June 2025
16AQI
16AQI
25th June 2025
16AQI
16AQI
26th June 2025
17AQI
17AQI
27th June 2025
21AQI
21AQI
28th June 2025
19AQI
19AQI
29th June 2025
22AQI
22AQI
30th June 2025
37AQI
37AQI
1st July 2025
41AQI
41AQI
2nd July 2025
46AQI
46AQI
3rd July 2025
49AQI
49AQI
4th July 2025
49AQI
49AQI
5th July 2025
52AQI
52AQI
6th July 2025
58AQI
58AQI
7th July 2025
74AQI
74AQI
8th July 2025
77AQI
77AQI
9th July 2025
78AQI
78AQI
10th July 2025
64AQI
64AQI
11th July 2025
52AQI
52AQI
12th July 2025
55AQI
55AQI
13th July 2025
53AQI
53AQI
14th July 2025
45AQI
45AQI
15th July 2025
42AQI
42AQI
16th July 2025
46AQI
46AQI
17th July 2025
43AQI
43AQI
18th July 2025
39AQI
39AQI
19th July 2025
36AQI
36AQI
20th July 2025
36AQI
36AQI
21st July 2025
39AQI
39AQI
22nd July 2025
41AQI
41AQI
23rd July 2025
45AQI
45AQI
24th July 2025
46AQI
46AQI
25th July 2025
45AQI
45AQI
26th July 2025
43AQI
43AQI
27th July 2025
40AQI
40AQI
28th July 2025
45AQI
45AQI
29th July 2025
45AQI
45AQI
30th July 2025
35AQI
35AQI
31st July 2025
38AQI
38AQI
1st August 2025
34AQI
34AQI
2nd August 2025
40AQI
40AQI
26AQI
29AQI
30AQI
20AQI
22AQI
23AQI
48AQI
37AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202529AQI
31
28
29
2
30
31
30
22
9
2
203
11
Highest AQI recorded in
July48AQI
Lowest AQI recorded in
April20AQI
202429AQI
31
29
31
30
30
1
29
1
25
6
31
30
31
30
31
358
8
Highest AQI recorded in
June37AQI
Lowest AQI recorded in
January23AQI
202329AQI
31
28
30
1
26
4
30
1
27
3
31
29
2
30
31
29
31
353
11
Highest AQI recorded in
April39AQI
Lowest AQI recorded in
December23AQI
202229AQI
31
20
1
30
1
25
5
30
1
27
3
20
4
1
28
31
28
2
31
302
17
Highest AQI recorded in
April39AQI
Lowest AQI recorded in
January20AQI
202120AQI
31
28
31
30
30
1
28
2
31
29
2
30
31
30
31
360
5
Highest AQI recorded in
June33AQI
Lowest AQI recorded in
January10AQI
202015AQI
13
21
18
30
31
31
19
31
30
31
255
Highest AQI recorded in
August25AQI
Lowest AQI recorded in
April10AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
29AQILeast Polluted Year Recorded
2020(Avg.)
15AQIHachioji's annual 2025 AQI (29) shows an average percentage change of 25.7% (worsened AQI) compared to previous years: 2020 (15), 2021 (20), 2022 (29), 2023 (29), 2024 (29).
