Ochikawa, Kunitachi, 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
Ochikawa, Kunitachi, Tokyo, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
5th Aug 2024
47AQILowest AQI recorded on
16th Aug 2024
14AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 42 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Ochikawa, Kunitachi, 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
1AM4th Aug
37AQI
In the last 24 hours,
Ochikawa's AQI reached its highest point of 60 at 12 PM during the Night, while the lowest point, 37, was recorded at 1 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Ochikawa, Kunitachi, 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 2025444 AMAQI
5th Jul 2025465 AMAQI
5th Jul 2025476 AMAQI
5th Jul 2025477 AMAQI
5th Jul 2025488 AMAQI
5th Jul 2025429 AMAQI
5th Jul 20254510 AMAQI
5th Jul 20255411 AMAQI
5th Jul 20255612 PMAQI
5th Jul 2025551 PMAQI
5th Jul 2025562 PMAQI
5th Jul 2025553 PMAQI
5th Jul 2025574 PMAQI
5th Jul 2025595 PMAQI
5th Jul 2025606 PMAQI
5th Jul 2025627 PMAQI
5th Jul 2025608 PMAQI
5th Jul 2025549 PMAQI
5th Jul 20255410 PMAQI
5th Jul 20255111 PMAQI
6th Jul 20255012 AMAQI
6th Jul 2025471 AMAQI
6th Jul 2025432 AMAQI
6th Jul 2025423 AMAQI
29°C26/33°C
6th Jul 2025444 AMAQI
6th Jul 2025455 AMAQI
6th Jul 2025456 AMAQI
6th Jul 2025467 AMAQI
6th Jul 2025468 AMAQI
6th Jul 2025529 AMAQI
6th Jul 20256110 AMAQI
6th Jul 20256411 AMAQI
6th Jul 20256412 PMAQI
6th Jul 2025631 PMAQI
6th Jul 2025642 PMAQI
6th Jul 2025633 PMAQI
6th Jul 2025604 PMAQI
6th Jul 2025635 PMAQI
6th Jul 2025716 PMAQI
6th Jul 2025857 PMAQI
6th Jul 2025798 PMAQI
6th Jul 2025649 PMAQI
6th Jul 20256210 PMAQI
6th Jul 20256311 PMAQI
7th Jul 20256312 AMAQI
7th Jul 2025571 AMAQI
7th Jul 2025482 AMAQI
7th Jul 2025483 AMAQI
30°C27/35°C
7th Jul 2025494 AMAQI
7th Jul 2025525 AMAQI
7th Jul 2025526 AMAQI
7th Jul 2025527 AMAQI
7th Jul 2025528 AMAQI
7th Jul 2025869 AMAQI
7th Jul 20259910 AMAQI
7th Jul 20259811 AMAQI
7th Jul 20259512 PMAQI
7th Jul 2025891 PMAQI
7th Jul 2025902 PMAQI
7th Jul 2025853 PMAQI
7th Jul 2025864 PMAQI
7th Jul 2025905 PMAQI
7th Jul 2025986 PMAQI
7th Jul 20251077 PMAQI
7th Jul 20251028 PMAQI
7th Jul 2025779 PMAQI
7th Jul 20257710 PMAQI
7th Jul 20257611 PMAQI
8th Jul 20257712 AMAQI
8th Jul 2025681 AMAQI
8th Jul 2025552 AMAQI
8th Jul 2025543 AMAQI
30°C27/34°C
8th Jul 2025564 AMAQI
8th Jul 2025615 AMAQI
8th Jul 2025626 AMAQI
8th Jul 2025617 AMAQI
8th Jul 2025618 AMAQI
8th Jul 20251109 AMAQI
8th Jul 202512410 AMAQI
8th Jul 202511511 AMAQI
8th Jul 202510812 PMAQI
8th Jul 2025901 PMAQI
8th Jul 2025852 PMAQI
8th Jul 2025823 PMAQI
8th Jul 2025804 PMAQI
8th Jul 2025805 PMAQI
8th Jul 2025826 PMAQI
8th Jul 2025867 PMAQI
8th Jul 2025868 PMAQI
8th Jul 2025799 PMAQI
8th Jul 20257910 PMAQI
8th Jul 20257911 PMAQI
9th Jul 20257812 AMAQI
9th Jul 2025741 AMAQI
9th Jul 2025642 AMAQI
9th Jul 2025643 AMAQI
30°C27/34°C
9th Jul 2025664 AMAQI
9th Jul 2025705 AMAQI
9th Jul 2025716 AMAQI
9th Jul 2025707 AMAQI
9th Jul 2025718 AMAQI
9th Jul 2025869 AMAQI
9th Jul 20259210 AMAQI
9th Jul 20259511 AMAQI
9th Jul 202510412 PMAQI
9th Jul 20251041 PMAQI
9th Jul 2025992 PMAQI
9th Jul 20251003 PMAQI
9th Jul 2025984 PMAQI
9th Jul 2025975 PMAQI
9th Jul 2025906 PMAQI
9th Jul 2025757 PMAQI
9th Jul 2025678 PMAQI
9th Jul 2025669 PMAQI
9th Jul 20256510 PMAQI
9th Jul 20256311 PMAQI
10th Jul 20256312 AMAQI
10th Jul 2025661 AMAQI
10th Jul 2025702 AMAQI
10th Jul 2025713 AMAQI
30°C26/34°C
10th Jul 2025724 AMAQI
10th Jul 2025755 AMAQI
10th Jul 2025766 AMAQI
10th Jul 2025767 AMAQI
10th Jul 2025768 AMAQI
10th Jul 2025749 AMAQI
10th Jul 20256810 AMAQI
10th Jul 20257311 AMAQI
10th Jul 20257512 PMAQI
10th Jul 2025611 PMAQI
10th Jul 2025522 PMAQI
10th Jul 2025403 PMAQI
10th Jul 2025404 PMAQI
10th Jul 2025365 PMAQI
10th Jul 2025346 PMAQI
10th Jul 2025377 PMAQI
10th Jul 2025488 PMAQI
10th Jul 2025599 PMAQI
10th Jul 20255810 PMAQI
10th Jul 20255811 PMAQI
11th Jul 20255812 AMAQI
11th Jul 2025641 AMAQI
11th Jul 2025702 AMAQI
11th Jul 2025703 AMAQI
29°C24/34°C
11th Jul 2025704 AMAQI
11th Jul 2025695 AMAQI
11th Jul 2025696 AMAQI
11th Jul 2025687 AMAQI
11th Jul 2025698 AMAQI
11th Jul 2025319 AMAQI
11th Jul 20251710 AMAQI
11th Jul 20251911 AMAQI
11th Jul 20252312 PMAQI
11th Jul 2025351 PMAQI
11th Jul 2025372 PMAQI
11th Jul 2025383 PMAQI
11th Jul 2025364 PMAQI
11th Jul 2025375 PMAQI
11th Jul 2025376 PMAQI
11th Jul 2025397 PMAQI
11th Jul 2025468 PMAQI
11th Jul 2025569 PMAQI
11th Jul 20255710 PMAQI
11th Jul 20255811 PMAQI
12th Jul 20255812 AMAQI
12th Jul 2025601 AMAQI
12th Jul 2025662 AMAQI
12th Jul 2025663 AMAQI
24°C23/26°C
12th Jul 2025644 AMAQI
12th Jul 2025625 AMAQI
12th Jul 2025616 AMAQI
12th Jul 2025627 AMAQI
12th Jul 2025628 AMAQI
12th Jul 2025399 AMAQI
12th Jul 20253310 AMAQI
12th Jul 20253611 AMAQI
12th Jul 20254012 PMAQI
12th Jul 2025481 PMAQI
12th Jul 2025512 PMAQI
12th Jul 2025513 PMAQI
12th Jul 2025524 PMAQI
12th Jul 2025525 PMAQI
12th Jul 2025526 PMAQI
12th Jul 2025497 PMAQI
12th Jul 2025508 PMAQI
12th Jul 2025569 PMAQI
12th Jul 20255610 PMAQI
12th Jul 20255711 PMAQI
13th Jul 20255612 AMAQI
13th Jul 2025581 AMAQI
13th Jul 2025612 AMAQI
13th Jul 2025613 AMAQI
25°C21/29°C
13th Jul 2025614 AMAQI
13th Jul 2025585 AMAQI
13th Jul 2025596 AMAQI
13th Jul 2025597 AMAQI
13th Jul 2025598 AMAQI
13th Jul 2025489 AMAQI
13th Jul 20254010 AMAQI
13th Jul 20254611 AMAQI
13th Jul 20255212 PMAQI
13th Jul 2025521 PMAQI
13th Jul 2025522 PMAQI
13th Jul 2025483 PMAQI
13th Jul 2025464 PMAQI
13th Jul 2025425 PMAQI
13th Jul 2025426 PMAQI
13th Jul 2025407 PMAQI
13th Jul 2025468 PMAQI
13th Jul 2025539 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°C24/30°C
14th Jul 2025584 AMAQI
14th Jul 2025585 AMAQI
14th Jul 2025586 AMAQI
14th Jul 2025587 AMAQI
14th Jul 2025578 AMAQI
14th Jul 2025289 AMAQI
14th Jul 20251810 AMAQI
14th Jul 20251811 AMAQI
14th Jul 20252212 PMAQI
14th Jul 2025291 PMAQI
14th Jul 2025292 PMAQI
14th Jul 2025283 PMAQI
14th Jul 2025304 PMAQI
14th Jul 2025345 PMAQI
14th Jul 2025356 PMAQI
14th Jul 2025297 PMAQI
14th Jul 2025358 PMAQI
14th Jul 2025519 PMAQI
14th Jul 20255010 PMAQI
14th Jul 20255111 PMAQI
15th Jul 20255012 AMAQI
15th Jul 2025541 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025563 AMAQI
26°C25/29°C
15th Jul 2025564 AMAQI
15th Jul 2025545 AMAQI
15th Jul 2025546 AMAQI
15th Jul 2025547 AMAQI
15th Jul 2025548 AMAQI
15th Jul 2025289 AMAQI
15th Jul 20251810 AMAQI
15th Jul 20252011 AMAQI
15th Jul 20252212 PMAQI
15th Jul 2025321 PMAQI
15th Jul 2025342 PMAQI
15th Jul 2025343 PMAQI
15th Jul 2025324 PMAQI
15th Jul 2025325 PMAQI
15th Jul 2025306 PMAQI
15th Jul 2025307 PMAQI
15th Jul 2025328 PMAQI
15th Jul 2025469 PMAQI
15th Jul 20254510 PMAQI
15th Jul 20254611 PMAQI
16th Jul 20254712 AMAQI
16th Jul 2025501 AMAQI
16th Jul 2025542 AMAQI
16th Jul 2025543 AMAQI
27°C26/30°C
16th Jul 2025534 AMAQI
16th Jul 2025525 AMAQI
16th Jul 2025526 AMAQI
16th Jul 2025527 AMAQI
16th Jul 2025528 AMAQI
16th Jul 2025549 AMAQI
16th Jul 20255110 AMAQI
16th Jul 20254011 AMAQI
16th Jul 20253512 PMAQI
16th Jul 2025321 PMAQI
16th Jul 2025272 PMAQI
16th Jul 2025243 PMAQI
16th Jul 2025284 PMAQI
16th Jul 2025305 PMAQI
16th Jul 2025246 PMAQI
16th Jul 2025227 PMAQI
16th Jul 2025288 PMAQI
16th Jul 2025429 PMAQI
16th Jul 20254210 PMAQI
16th Jul 20254211 PMAQI
17th Jul 20254212 AMAQI
17th Jul 2025471 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025523 AMAQI
28°C24/31°C
17th Jul 2025524 AMAQI
17th Jul 2025525 AMAQI
17th Jul 2025506 AMAQI
17th Jul 2025517 AMAQI
17th Jul 2025518 AMAQI
17th Jul 2025259 AMAQI
17th Jul 20252510 AMAQI
17th Jul 20253011 AMAQI
17th Jul 20253212 PMAQI
17th Jul 2025321 PMAQI
17th Jul 2025362 PMAQI
17th Jul 2025363 PMAQI
17th Jul 2025384 PMAQI
17th Jul 2025375 PMAQI
17th Jul 2025366 PMAQI
17th Jul 2025387 PMAQI
17th Jul 2025418 PMAQI
17th Jul 2025479 PMAQI
17th Jul 20254410 PMAQI
17th Jul 20254411 PMAQI
18th Jul 20254412 AMAQI
18th Jul 2025461 AMAQI
18th Jul 2025502 AMAQI
18th Jul 2025503 AMAQI
28°C25/32°C
18th Jul 2025494 AMAQI
18th Jul 2025475 AMAQI
18th Jul 2025466 AMAQI
18th Jul 2025467 AMAQI
18th Jul 2025468 AMAQI
18th Jul 2025339 AMAQI
18th Jul 20253010 AMAQI
18th Jul 20252911 AMAQI
18th Jul 20253212 PMAQI
18th Jul 2025311 PMAQI
18th Jul 2025282 PMAQI
18th Jul 2025293 PMAQI
18th Jul 2025284 PMAQI
18th Jul 2025255 PMAQI
18th Jul 2025266 PMAQI
18th Jul 2025267 PMAQI
18th Jul 2025338 PMAQI
18th Jul 2025429 PMAQI
18th Jul 20253910 PMAQI
18th Jul 20254011 PMAQI
19th Jul 20253912 AMAQI
19th Jul 2025421 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025473 AMAQI
27°C24/32°C
19th Jul 2025464 AMAQI
19th Jul 2025435 AMAQI
19th Jul 2025436 AMAQI
19th Jul 2025437 AMAQI
19th Jul 2025438 AMAQI
19th Jul 2025299 AMAQI
19th Jul 20253010 AMAQI
19th Jul 20252711 AMAQI
19th Jul 20252812 PMAQI
19th Jul 2025281 PMAQI
19th Jul 2025302 PMAQI
19th Jul 2025273 PMAQI
19th Jul 2025244 PMAQI
19th Jul 2025255 PMAQI
19th Jul 2025226 PMAQI
19th Jul 2025267 PMAQI
19th Jul 2025308 PMAQI
19th Jul 2025379 PMAQI
19th Jul 20253610 PMAQI
19th Jul 20253611 PMAQI
20th Jul 20253612 AMAQI
20th Jul 2025381 AMAQI
20th Jul 2025442 AMAQI
20th Jul 2025443 AMAQI
28°C25/33°C
20th Jul 2025434 AMAQI
20th Jul 2025415 AMAQI
20th Jul 2025426 AMAQI
20th Jul 2025427 AMAQI
20th Jul 2025418 AMAQI
20th Jul 2025359 AMAQI
20th Jul 20252810 AMAQI
20th Jul 20252411 AMAQI
20th Jul 20252912 PMAQI
20th Jul 2025321 PMAQI
20th Jul 2025352 PMAQI
20th Jul 2025303 PMAQI
20th Jul 2025284 PMAQI
20th Jul 2025265 PMAQI
20th Jul 2025256 PMAQI
20th Jul 2025307 PMAQI
20th Jul 2025338 PMAQI
20th Jul 2025369 PMAQI
20th Jul 20253410 PMAQI
20th Jul 20253511 PMAQI
21st Jul 20253412 AMAQI
21st Jul 2025361 AMAQI
21st Jul 2025412 AMAQI
21st Jul 2025413 AMAQI
29°C26/34°C
21st Jul 2025404 AMAQI
21st Jul 2025385 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025397 AMAQI
21st Jul 2025388 AMAQI
21st Jul 2025409 AMAQI
21st Jul 20254610 AMAQI
21st Jul 20255011 AMAQI
21st Jul 20255212 PMAQI
21st Jul 2025511 PMAQI
21st Jul 2025452 PMAQI
21st Jul 2025433 PMAQI
21st Jul 2025434 PMAQI
21st Jul 2025365 PMAQI
21st Jul 2025306 PMAQI
21st Jul 2025307 PMAQI
21st Jul 2025338 PMAQI
21st Jul 2025349 PMAQI
21st Jul 20253410 PMAQI
21st Jul 20253311 PMAQI
22nd Jul 20253312 AMAQI
22nd Jul 2025351 AMAQI
22nd Jul 2025382 AMAQI
22nd Jul 2025383 AMAQI
30°C27/35°C
22nd Jul 2025384 AMAQI
22nd Jul 2025405 AMAQI
22nd Jul 2025396 AMAQI
22nd Jul 2025397 AMAQI
22nd Jul 2025408 AMAQI
22nd Jul 2025389 AMAQI
22nd Jul 20254610 AMAQI
22nd Jul 20255611 AMAQI
22nd Jul 20255812 PMAQI
22nd Jul 2025541 PMAQI
22nd Jul 2025572 PMAQI
22nd Jul 2025543 PMAQI
22nd Jul 2025504 PMAQI
22nd Jul 2025415 PMAQI
22nd Jul 2025356 PMAQI
22nd Jul 2025327 PMAQI
22nd Jul 2025328 PMAQI
22nd Jul 2025329 PMAQI
22nd Jul 20253210 PMAQI
22nd Jul 20253211 PMAQI
23rd Jul 20253212 AMAQI
23rd Jul 2025351 AMAQI
23rd Jul 2025382 AMAQI
23rd Jul 2025373 AMAQI
31°C27/36°C
23rd Jul 2025384 AMAQI
23rd Jul 2025405 AMAQI
23rd Jul 2025416 AMAQI
23rd Jul 2025417 AMAQI
23rd Jul 2025418 AMAQI
23rd Jul 2025529 AMAQI
23rd Jul 20256110 AMAQI
23rd Jul 20256411 AMAQI
23rd Jul 20257012 PMAQI
23rd Jul 2025671 PMAQI
23rd Jul 2025652 PMAQI
23rd Jul 2025603 PMAQI
23rd Jul 2025554 PMAQI
23rd Jul 2025545 PMAQI
23rd Jul 2025496 PMAQI
23rd Jul 2025417 PMAQI
23rd Jul 2025368 PMAQI
23rd Jul 2025359 PMAQI
23rd Jul 20253910 PMAQI
23rd Jul 20253611 PMAQI
24th Jul 20253412 AMAQI
24th Jul 2025351 AMAQI
24th Jul 2025382 AMAQI
24th Jul 2025383 AMAQI
31°C27/36°C
24th Jul 2025404 AMAQI
24th Jul 2025445 AMAQI
24th Jul 2025446 AMAQI
24th Jul 2025447 AMAQI
24th Jul 2025448 AMAQI
24th Jul 2025549 AMAQI
24th Jul 20255910 AMAQI
24th Jul 20256211 AMAQI
24th Jul 20256312 PMAQI
24th Jul 2025631 PMAQI
24th Jul 2025622 PMAQI
24th Jul 2025583 PMAQI
24th Jul 2025524 PMAQI
24th Jul 2025465 PMAQI
24th Jul 2025376 PMAQI
24th Jul 2025367 PMAQI
24th Jul 2025348 PMAQI
24th Jul 2025359 PMAQI
24th Jul 20253710 PMAQI
24th Jul 20253711 PMAQI
25th Jul 20253712 AMAQI
25th Jul 2025381 AMAQI
25th Jul 2025392 AMAQI
25th Jul 2025393 AMAQI
31°C27/36°C
25th Jul 2025414 AMAQI
25th Jul 2025455 AMAQI
25th Jul 2025456 AMAQI
25th Jul 2025457 AMAQI
25th Jul 2025448 AMAQI
25th Jul 2025529 AMAQI
25th Jul 20255710 AMAQI
25th Jul 20255911 AMAQI
25th Jul 20256212 PMAQI
25th Jul 2025561 PMAQI
25th Jul 2025522 PMAQI
25th Jul 2025463 PMAQI
25th Jul 2025404 PMAQI
25th Jul 2025345 PMAQI
25th Jul 2025276 PMAQI
25th Jul 2025297 PMAQI
25th Jul 2025338 PMAQI
25th Jul 2025359 PMAQI
25th Jul 20253410 PMAQI
25th Jul 20253311 PMAQI
26th Jul 20253712 AMAQI
26th Jul 2025401 AMAQI
26th Jul 2025402 AMAQI
26th Jul 2025403 AMAQI
31°C27/36°C
26th Jul 2025424 AMAQI
26th Jul 2025445 AMAQI
26th Jul 2025446 AMAQI
26th Jul 2025447 AMAQI
26th Jul 2025448 AMAQI
26th Jul 2025519 AMAQI
26th Jul 20255510 AMAQI
26th Jul 20255611 AMAQI
26th Jul 20255612 PMAQI
26th Jul 2025531 PMAQI
26th Jul 2025482 PMAQI
26th Jul 2025393 PMAQI
26th Jul 2025344 PMAQI
26th Jul 2025265 PMAQI
26th Jul 2025246 PMAQI
26th Jul 2025287 PMAQI
26th Jul 2025308 PMAQI
26th Jul 2025349 PMAQI
26th Jul 20253410 PMAQI
26th Jul 20253611 PMAQI
27th Jul 20253612 AMAQI
27th Jul 2025371 AMAQI
27th Jul 2025392 AMAQI
27th Jul 2025403 AMAQI
31°C27/36°C
27th Jul 2025404 AMAQI
27th Jul 2025435 AMAQI
27th Jul 2025436 AMAQI
27th Jul 2025447 AMAQI
27th Jul 2025438 AMAQI
27th Jul 2025409 AMAQI
27th Jul 20254410 AMAQI
27th Jul 20254311 AMAQI
27th Jul 20254112 PMAQI
27th Jul 2025401 PMAQI
27th Jul 2025362 PMAQI
27th Jul 2025343 PMAQI
27th Jul 2025334 PMAQI
27th Jul 2025325 PMAQI
27th Jul 2025236 PMAQI
27th Jul 2025237 PMAQI
27th Jul 2025268 PMAQI
27th Jul 2025339 PMAQI
27th Jul 20253110 PMAQI
27th Jul 20253211 PMAQI
28th Jul 20253012 AMAQI
28th Jul 2025341 AMAQI
28th Jul 2025402 AMAQI
28th Jul 2025403 AMAQI
31°C27/36°C
28th Jul 2025404 AMAQI
28th Jul 2025405 AMAQI
28th Jul 2025406 AMAQI
28th Jul 2025407 AMAQI
28th Jul 2025408 AMAQI
28th Jul 2025419 AMAQI
28th Jul 20254410 AMAQI
28th Jul 20254911 AMAQI
28th Jul 20255212 PMAQI
28th Jul 2025541 PMAQI
28th Jul 2025562 PMAQI
28th Jul 2025593 PMAQI
28th Jul 2025564 PMAQI
28th Jul 2025505 PMAQI
28th Jul 2025386 PMAQI
28th Jul 2025367 PMAQI
28th Jul 2025338 PMAQI
28th Jul 2025369 PMAQI
28th Jul 20253410 PMAQI
28th Jul 20253411 PMAQI
29th Jul 20253212 AMAQI
29th Jul 2025341 AMAQI
29th Jul 2025382 AMAQI
29th Jul 2025363 AMAQI
31°C27/36°C
29th Jul 2025394 AMAQI
29th Jul 2025415 AMAQI
29th Jul 2025426 AMAQI
29th Jul 2025427 AMAQI
29th Jul 2025418 AMAQI
29th Jul 2025529 AMAQI
29th Jul 20255810 AMAQI
29th Jul 20255811 AMAQI
29th Jul 20255612 PMAQI
29th Jul 2025541 PMAQI
29th Jul 2025542 PMAQI
29th Jul 2025543 PMAQI
29th Jul 2025564 PMAQI
29th Jul 2025545 PMAQI
29th Jul 2025506 PMAQI
29th Jul 2025387 PMAQI
29th Jul 2025328 PMAQI
29th Jul 2025329 PMAQI
29th Jul 20253110 PMAQI
29th Jul 20253011 PMAQI
30th Jul 20253012 AMAQI
30th Jul 2025331 AMAQI
30th Jul 2025392 AMAQI
30th Jul 2025383 AMAQI
31°C26/37°C
30th Jul 2025404 AMAQI
30th Jul 2025425 AMAQI
30th Jul 2025426 AMAQI
30th Jul 2025427 AMAQI
30th Jul 2025428 AMAQI
30th Jul 2025239 AMAQI
30th Jul 20251710 AMAQI
30th Jul 20252211 AMAQI
30th Jul 20252712 PMAQI
30th Jul 2025301 PMAQI
30th Jul 2025322 PMAQI
30th Jul 2025323 PMAQI
30th Jul 2025364 PMAQI
30th Jul 2025355 PMAQI
30th Jul 2025316 PMAQI
30th Jul 2025307 PMAQI
30th Jul 2025328 PMAQI
30th Jul 2025379 PMAQI
30th Jul 20253810 PMAQI
30th Jul 20253611 PMAQI
31st Jul 20253712 AMAQI
31st Jul 2025371 AMAQI
31st Jul 2025382 AMAQI
31st Jul 2025383 AMAQI
30°C26/36°C
31st Jul 2025384 AMAQI
31st Jul 2025385 AMAQI
31st Jul 2025386 AMAQI
31st Jul 2025387 AMAQI
31st Jul 2025388 AMAQI
31st Jul 2025389 AMAQI
31st Jul 20253810 AMAQI
31st Jul 20254311 AMAQI
31st Jul 20255212 PMAQI
31st Jul 2025491 PMAQI
31st Jul 2025442 PMAQI
31st Jul 2025323 PMAQI
31st Jul 2025374 PMAQI
31st Jul 2025365 PMAQI
31st Jul 2025266 PMAQI
31st Jul 2025247 PMAQI
31st Jul 2025288 PMAQI
31st Jul 2025289 PMAQI
31st Jul 20252910 PMAQI
31st Jul 20252711 PMAQI
1st Aug 20252812 AMAQI
1st Aug 2025341 AMAQI
1st Aug 2025342 AMAQI
1st Aug 2025343 AMAQI
29°C25/34°C
1st Aug 2025364 AMAQI
1st Aug 2025345 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025347 AMAQI
1st Aug 2025368 AMAQI
1st Aug 2025409 AMAQI
1st Aug 20253210 AMAQI
1st Aug 20254011 AMAQI
1st Aug 20254212 PMAQI
1st Aug 2025451 PMAQI
1st Aug 2025372 PMAQI
1st Aug 2025343 PMAQI
1st Aug 2025434 PMAQI
1st Aug 2025365 PMAQI
1st Aug 2025396 PMAQI
1st Aug 2025247 PMAQI
1st Aug 2025318 PMAQI
1st Aug 2025309 PMAQI
1st Aug 20253010 PMAQI
1st Aug 20252911 PMAQI
2nd Aug 20253012 AMAQI
2nd Aug 2025301 AMAQI
2nd Aug 2025362 AMAQI
2nd Aug 2025363 AMAQI
28°C25/31°C
2nd Aug 2025384 AMAQI
2nd Aug 2025375 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025377 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025419 AMAQI
2nd Aug 20253810 AMAQI
2nd Aug 20254611 AMAQI
2nd Aug 20253912 PMAQI
2nd Aug 2025521 PMAQI
2nd Aug 2025572 PMAQI
2nd Aug 2025563 PMAQI
2nd Aug 2025544 PMAQI
2nd Aug 2025555 PMAQI
2nd Aug 2025586 PMAQI
2nd Aug 2025567 PMAQI
2nd Aug 2025408 PMAQI
2nd Aug 2025399 PMAQI
2nd Aug 20253610 PMAQI
2nd Aug 20254311 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 2025388 AMAQI
3rd Aug 2025459 AMAQI
3rd Aug 20255410 AMAQI
3rd Aug 20255411 AMAQI
3rd Aug 20256012 PMAQI
3rd Aug 2025561 PMAQI
3rd Aug 2025582 PMAQI
3rd Aug 2025543 PMAQI
3rd Aug 2025514 PMAQI
3rd Aug 2025525 PMAQI
3rd Aug 2025566 PMAQI
3rd Aug 2025547 PMAQI
3rd Aug 2025548 PMAQI
3rd Aug 2025429 PMAQI
3rd Aug 20254410 PMAQI
3rd Aug 20254111 PMAQI
4th Aug 20253712 AMAQI
4th Aug 2025371 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025403 AMAQI
--°C/°C
4 AM
11 AM
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 6 PM
48AQI
15 hours / Day
450 hours / Month
Avg. Lowest Time
4 AM - 6 PM
48AQI
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. 48), while the lowest AQI was between 4 AM to 6 PM (Avg. 48).
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
Ochikawa, Kunitachi, 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
Ochikawa, Kunitachi, 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
25AQI
25AQI
3rd January 2025
24AQI
24AQI
4th January 2025
25AQI
25AQI
5th January 2025
23AQI
23AQI
6th January 2025
25AQI
25AQI
7th January 2025
24AQI
24AQI
8th January 2025
27AQI
27AQI
9th January 2025
25AQI
25AQI
10th January 2025
24AQI
24AQI
11th January 2025
24AQI
24AQI
12th January 2025
27AQI
27AQI
13th January 2025
27AQI
27AQI
14th January 2025
26AQI
26AQI
15th January 2025
28AQI
28AQI
16th January 2025
24AQI
24AQI
17th January 2025
27AQI
27AQI
18th January 2025
26AQI
26AQI
19th January 2025
29AQI
29AQI
20th January 2025
28AQI
28AQI
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
31AQI
31AQI
27th January 2025
25AQI
25AQI
28th January 2025
30AQI
30AQI
29th January 2025
26AQI
26AQI
30th January 2025
26AQI
26AQI
31st January 2025
26AQI
26AQI
1st February 2025
28AQI
28AQI
2nd February 2025
32AQI
32AQI
3rd February 2025
27AQI
27AQI
4th February 2025
28AQI
28AQI
5th February 2025
27AQI
27AQI
6th February 2025
26AQI
26AQI
7th February 2025
26AQI
26AQI
8th February 2025
27AQI
27AQI
9th February 2025
27AQI
27AQI
10th February 2025
26AQI
26AQI
11th February 2025
27AQI
27AQI
12th February 2025
27AQI
27AQI
13th February 2025
31AQI
31AQI
14th February 2025
27AQI
27AQI
15th February 2025
28AQI
28AQI
16th February 2025
29AQI
29AQI
17th February 2025
31AQI
31AQI
18th February 2025
28AQI
28AQI
19th February 2025
29AQI
29AQI
20th February 2025
28AQI
28AQI
21st February 2025
29AQI
29AQI
22nd February 2025
29AQI
29AQI
23rd February 2025
30AQI
30AQI
24th February 2025
32AQI
32AQI
25th February 2025
31AQI
31AQI
26th February 2025
32AQI
32AQI
27th February 2025
36AQI
36AQI
28th February 2025
35AQI
35AQI
1st March 2025
40AQI
40AQI
2nd March 2025
39AQI
39AQI
3rd March 2025
32AQI
32AQI
4th March 2025
30AQI
30AQI
5th March 2025
28AQI
28AQI
6th March 2025
30AQI
30AQI
7th March 2025
31AQI
31AQI
8th March 2025
31AQI
31AQI
9th March 2025
33AQI
33AQI
10th March 2025
31AQI
31AQI
11th March 2025
31AQI
31AQI
12th March 2025
32AQI
32AQI
13th March 2025
38AQI
38AQI
14th March 2025
24AQI
24AQI
15th March 2025
22AQI
22AQI
16th March 2025
17AQI
17AQI
17th March 2025
16AQI
16AQI
18th March 2025
15AQI
15AQI
19th March 2025
14AQI
14AQI
20th March 2025
16AQI
16AQI
21st March 2025
23AQI
23AQI
22nd March 2025
25AQI
25AQI
23rd March 2025
27AQI
27AQI
24th March 2025
29AQI
29AQI
25th March 2025
49AQI
49AQI
26th March 2025
59AQI
59AQI
27th March 2025
56AQI
56AQI
28th March 2025
37AQI
37AQI
29th March 2025
30AQI
30AQI
30th March 2025
35AQI
35AQI
31st March 2025
28AQI
28AQI
1st April 2025
23AQI
23AQI
2nd April 2025
20AQI
20AQI
3rd April 2025
18AQI
18AQI
4th April 2025
18AQI
18AQI
5th April 2025
18AQI
18AQI
6th April 2025
14AQI
14AQI
7th April 2025
15AQI
15AQI
8th April 2025
18AQI
18AQI
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
21AQI
21AQI
15th April 2025
19AQI
19AQI
16th April 2025
18AQI
18AQI
17th April 2025
24AQI
24AQI
18th April 2025
28AQI
28AQI
19th April 2025
31AQI
31AQI
20th April 2025
25AQI
25AQI
21st April 2025
22AQI
22AQI
22nd April 2025
21AQI
21AQI
23rd April 2025
15AQI
15AQI
24th April 2025
16AQI
16AQI
25th April 2025
16AQI
16AQI
26th April 2025
20AQI
20AQI
27th April 2025
21AQI
21AQI
28th April 2025
19AQI
19AQI
29th April 2025
14AQI
14AQI
30th April 2025
19AQI
19AQI
1st May 2025
18AQI
18AQI
2nd May 2025
16AQI
16AQI
3rd May 2025
15AQI
15AQI
4th May 2025
21AQI
21AQI
5th May 2025
17AQI
17AQI
6th May 2025
17AQI
17AQI
7th May 2025
14AQI
14AQI
8th May 2025
16AQI
16AQI
9th May 2025
16AQI
16AQI
10th May 2025
14AQI
14AQI
11th May 2025
15AQI
15AQI
12th May 2025
15AQI
15AQI
13th May 2025
18AQI
18AQI
14th May 2025
17AQI
17AQI
15th May 2025
19AQI
19AQI
16th May 2025
20AQI
20AQI
17th May 2025
17AQI
17AQI
18th May 2025
22AQI
22AQI
19th May 2025
23AQI
23AQI
20th May 2025
45AQI
45AQI
21st May 2025
54AQI
54AQI
22nd May 2025
35AQI
35AQI
23rd May 2025
29AQI
29AQI
24th May 2025
24AQI
24AQI
25th May 2025
18AQI
18AQI
26th May 2025
18AQI
18AQI
27th May 2025
17AQI
17AQI
28th May 2025
15AQI
15AQI
29th May 2025
18AQI
18AQI
30th May 2025
15AQI
15AQI
31st May 2025
13AQI
13AQI
1st June 2025
15AQI
15AQI
2nd June 2025
16AQI
16AQI
3rd June 2025
16AQI
16AQI
4th June 2025
16AQI
16AQI
5th June 2025
20AQI
20AQI
6th June 2025
21AQI
21AQI
7th June 2025
23AQI
23AQI
8th June 2025
29AQI
29AQI
9th June 2025
23AQI
23AQI
10th June 2025
21AQI
21AQI
11th June 2025
20AQI
20AQI
12th June 2025
22AQI
22AQI
13th June 2025
22AQI
22AQI
14th June 2025
19AQI
19AQI
15th June 2025
19AQI
19AQI
16th June 2025
20AQI
20AQI
17th June 2025
27AQI
27AQI
18th June 2025
23AQI
23AQI
19th June 2025
25AQI
25AQI
20th June 2025
22AQI
22AQI
21st June 2025
19AQI
19AQI
22nd June 2025
12AQI
12AQI
23rd June 2025
13AQI
13AQI
24th June 2025
14AQI
14AQI
25th June 2025
15AQI
15AQI
26th June 2025
14AQI
14AQI
27th June 2025
19AQI
19AQI
28th June 2025
17AQI
17AQI
29th June 2025
20AQI
20AQI
30th June 2025
37AQI
37AQI
1st July 2025
41AQI
41AQI
2nd July 2025
45AQI
45AQI
3rd July 2025
45AQI
45AQI
4th July 2025
48AQI
48AQI
5th July 2025
51AQI
51AQI
6th July 2025
58AQI
58AQI
7th July 2025
76AQI
76AQI
8th July 2025
79AQI
79AQI
9th July 2025
79AQI
79AQI
10th July 2025
60AQI
60AQI
11th July 2025
50AQI
50AQI
12th July 2025
54AQI
54AQI
13th July 2025
52AQI
52AQI
14th July 2025
43AQI
43AQI
15th July 2025
41AQI
41AQI
16th July 2025
41AQI
41AQI
17th July 2025
42AQI
42AQI
18th July 2025
38AQI
38AQI
19th July 2025
35AQI
35AQI
20th July 2025
35AQI
35AQI
21st July 2025
39AQI
39AQI
22nd July 2025
40AQI
40AQI
23rd July 2025
46AQI
46AQI
24th July 2025
44AQI
44AQI
25th July 2025
41AQI
41AQI
26th July 2025
40AQI
40AQI
27th July 2025
36AQI
36AQI
28th July 2025
41AQI
41AQI
29th July 2025
43AQI
43AQI
30th July 2025
34AQI
34AQI
31st July 2025
36AQI
36AQI
1st August 2025
34AQI
34AQI
2nd August 2025
42AQI
42AQI
27AQI
29AQI
31AQI
20AQI
20AQI
20AQI
47AQI
38AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202528AQI
31
28
29
2
30
30
1
30
23
8
2
203
11
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
April20AQI
202428AQI
31
29
31
30
31
30
27
4
31
29
1
31
30
31
361
5
Highest AQI recorded in
July39AQI
Lowest AQI recorded in
December24AQI
202328AQI
31
28
30
1
23
7
31
29
1
31
31
30
31
29
31
355
9
Highest AQI recorded in
April37AQI
Lowest AQI recorded in
October25AQI
202227AQI
31
20
1
31
29
1
30
1
30
19
3
1
28
30
1
30
31
310
7
Highest AQI recorded in
July31AQI
Lowest AQI recorded in
August22AQI
202123AQI
31
28
31
30
28
2
1
30
31
31
30
31
29
1
31
361
3
1
Highest AQI recorded in
May34AQI
Lowest AQI recorded in
February13AQI
202015AQI
13
21
18
30
31
31
19
31
30
31
255
Highest AQI recorded in
August24AQI
Lowest AQI recorded in
May11AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2024(Avg.)
28AQILeast Polluted Year Recorded
2020(Avg.)
15AQIOchikawa's annual 2025 AQI (28) shows an average percentage change of 20.3% (worsened AQI) compared to previous years: 2020 (15), 2021 (23), 2022 (27), 2023 (28), 2024 (28).
