Tachikawa, 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
Tachikawa, Tokyo, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
52AQILowest AQI recorded on
18th Aug 2021
8AQISame Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 35 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Tachikawa, Tokyo, Japan
AQI
Day
Night
.
4 AM2nd Aug 2025
6 PM
3 AM3rd Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
3PM2nd Aug
58AQI
Avg. Lowest Time
12AM3rd Aug
34AQI
In the last 24 hours,
Tachikawa's AQI reached its highest point of 58 at 3 PM during the Night, while the lowest point, undefined, was recorded at 3 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Tachikawa, Tokyo, Japan
JulAug
04th - 05th05th - 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
Day
Night
4th Jul 2025474 AMAQI
4th Jul 2025525 AMAQI
4th Jul 2025526 AMAQI
4th Jul 2025527 AMAQI
4th Jul 2025528 AMAQI
4th Jul 2025499 AMAQI
4th Jul 20254810 AMAQI
4th Jul 20255211 AMAQI
4th Jul 20255612 PMAQI
4th Jul 2025531 PMAQI
4th Jul 2025542 PMAQI
4th Jul 2025533 PMAQI
4th Jul 2025524 PMAQI
4th Jul 2025535 PMAQI
4th Jul 2025516 PMAQI
4th Jul 2025517 PMAQI
4th Jul 2025528 PMAQI
4th Jul 2025479 PMAQI
4th Jul 20254210 PMAQI
4th Jul 20253911 PMAQI
5th Jul 20253712 AMAQI
5th Jul 2025391 AMAQI
5th Jul 2025442 AMAQI
5th Jul 2025423 AMAQI
28°C25/33°C
5th Jul 2025444 AMAQI
5th Jul 2025465 AMAQI
5th Jul 2025486 AMAQI
5th Jul 2025487 AMAQI
5th Jul 2025478 AMAQI
5th Jul 2025459 AMAQI
5th Jul 20254910 AMAQI
5th Jul 20255311 AMAQI
5th Jul 20255612 PMAQI
5th Jul 2025541 PMAQI
5th Jul 2025542 PMAQI
5th Jul 2025543 PMAQI
5th Jul 2025564 PMAQI
5th Jul 2025585 PMAQI
5th Jul 2025596 PMAQI
5th Jul 2025607 PMAQI
5th Jul 2025608 PMAQI
5th Jul 2025539 PMAQI
5th Jul 20255210 PMAQI
5th Jul 20254811 PMAQI
6th Jul 20254812 AMAQI
6th Jul 2025461 AMAQI
6th Jul 2025412 AMAQI
6th Jul 2025413 AMAQI
29°C26/33°C
6th Jul 2025424 AMAQI
6th Jul 2025445 AMAQI
6th Jul 2025456 AMAQI
6th Jul 2025457 AMAQI
6th Jul 2025458 AMAQI
6th Jul 2025529 AMAQI
6th Jul 20256110 AMAQI
6th Jul 20256411 AMAQI
6th Jul 20256512 PMAQI
6th Jul 2025621 PMAQI
6th Jul 2025622 PMAQI
6th Jul 2025623 PMAQI
6th Jul 2025594 PMAQI
6th Jul 2025585 PMAQI
6th Jul 2025646 PMAQI
6th Jul 2025787 PMAQI
6th Jul 2025778 PMAQI
6th Jul 2025599 PMAQI
6th Jul 20256010 PMAQI
6th Jul 20255911 PMAQI
7th Jul 20255912 AMAQI
7th Jul 2025541 AMAQI
7th Jul 2025472 AMAQI
7th Jul 2025473 AMAQI
30°C27/35°C
7th Jul 2025484 AMAQI
7th Jul 2025515 AMAQI
7th Jul 2025506 AMAQI
7th Jul 2025517 AMAQI
7th Jul 2025508 AMAQI
7th Jul 2025889 AMAQI
7th Jul 20259910 AMAQI
7th Jul 20259511 AMAQI
7th Jul 20259312 PMAQI
7th Jul 2025821 PMAQI
7th Jul 2025812 PMAQI
7th Jul 2025793 PMAQI
7th Jul 2025824 PMAQI
7th Jul 2025875 PMAQI
7th Jul 2025966 PMAQI
7th Jul 20251037 PMAQI
7th Jul 2025998 PMAQI
7th Jul 2025749 PMAQI
7th Jul 20257410 PMAQI
7th Jul 20257411 PMAQI
8th Jul 20257512 AMAQI
8th Jul 2025671 AMAQI
8th Jul 2025552 AMAQI
8th Jul 2025553 AMAQI
30°C27/34°C
8th Jul 2025564 AMAQI
8th Jul 2025605 AMAQI
8th Jul 2025596 AMAQI
8th Jul 2025607 AMAQI
8th Jul 2025608 AMAQI
8th Jul 20251089 AMAQI
8th Jul 202512610 AMAQI
8th Jul 202511711 AMAQI
8th Jul 202510512 PMAQI
8th Jul 2025901 PMAQI
8th Jul 2025832 PMAQI
8th Jul 2025823 PMAQI
8th Jul 2025794 PMAQI
8th Jul 2025795 PMAQI
8th Jul 2025816 PMAQI
8th Jul 2025867 PMAQI
8th Jul 2025858 PMAQI
8th Jul 2025769 PMAQI
8th Jul 20257810 PMAQI
8th Jul 20257911 PMAQI
9th Jul 20257712 AMAQI
9th Jul 2025731 AMAQI
9th Jul 2025642 AMAQI
9th Jul 2025643 AMAQI
30°C27/34°C
9th Jul 2025664 AMAQI
9th Jul 2025725 AMAQI
9th Jul 2025726 AMAQI
9th Jul 2025727 AMAQI
9th Jul 2025728 AMAQI
9th Jul 2025819 AMAQI
9th Jul 20258910 AMAQI
9th Jul 20259511 AMAQI
9th Jul 20259612 PMAQI
9th Jul 2025981 PMAQI
9th Jul 2025992 PMAQI
9th Jul 20251003 PMAQI
9th Jul 2025974 PMAQI
9th Jul 2025965 PMAQI
9th Jul 2025916 PMAQI
9th Jul 2025787 PMAQI
9th Jul 2025718 PMAQI
9th Jul 2025679 PMAQI
9th Jul 20256610 PMAQI
9th Jul 20256611 PMAQI
10th Jul 20256512 AMAQI
10th Jul 2025671 AMAQI
10th Jul 2025712 AMAQI
10th Jul 2025723 AMAQI
30°C26/34°C
10th Jul 2025734 AMAQI
10th Jul 2025765 AMAQI
10th Jul 2025766 AMAQI
10th Jul 2025767 AMAQI
10th Jul 2025768 AMAQI
10th Jul 2025769 AMAQI
10th Jul 20257510 AMAQI
10th Jul 20257611 AMAQI
10th Jul 20257912 PMAQI
10th Jul 2025711 PMAQI
10th Jul 2025562 PMAQI
10th Jul 2025463 PMAQI
10th Jul 2025404 PMAQI
10th Jul 2025365 PMAQI
10th Jul 2025386 PMAQI
10th Jul 2025437 PMAQI
10th Jul 2025468 PMAQI
10th Jul 2025609 PMAQI
10th Jul 20256010 PMAQI
10th Jul 20256011 PMAQI
11th Jul 20256112 AMAQI
11th Jul 2025641 AMAQI
11th Jul 2025702 AMAQI
11th Jul 2025703 AMAQI
29°C24/34°C
11th Jul 2025704 AMAQI
11th Jul 2025705 AMAQI
11th Jul 2025706 AMAQI
11th Jul 2025707 AMAQI
11th Jul 2025708 AMAQI
11th Jul 2025319 AMAQI
11th Jul 20251710 AMAQI
11th Jul 20251711 AMAQI
11th Jul 20252112 PMAQI
11th Jul 2025371 PMAQI
11th Jul 2025382 PMAQI
11th Jul 2025403 PMAQI
11th Jul 2025404 PMAQI
11th Jul 2025395 PMAQI
11th Jul 2025386 PMAQI
11th Jul 2025387 PMAQI
11th Jul 2025468 PMAQI
11th Jul 2025589 PMAQI
11th Jul 20255810 PMAQI
11th Jul 20255811 PMAQI
12th Jul 20255812 AMAQI
12th Jul 2025611 AMAQI
12th Jul 2025662 AMAQI
12th Jul 2025663 AMAQI
24°C23/26°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 20253410 AMAQI
12th Jul 20253611 AMAQI
12th Jul 20254012 PMAQI
12th Jul 2025501 PMAQI
12th Jul 2025512 PMAQI
12th Jul 2025513 PMAQI
12th Jul 2025524 PMAQI
12th Jul 2025525 PMAQI
12th Jul 2025526 PMAQI
12th Jul 2025527 PMAQI
12th Jul 2025518 PMAQI
12th Jul 2025579 PMAQI
12th Jul 20255610 PMAQI
12th Jul 20255611 PMAQI
13th Jul 20255612 AMAQI
13th Jul 2025581 AMAQI
13th Jul 2025622 AMAQI
13th Jul 2025623 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 2025499 AMAQI
13th Jul 20254210 AMAQI
13th Jul 20254711 AMAQI
13th Jul 20255112 PMAQI
13th Jul 2025531 PMAQI
13th Jul 2025532 PMAQI
13th Jul 2025523 PMAQI
13th Jul 2025484 PMAQI
13th Jul 2025445 PMAQI
13th Jul 2025426 PMAQI
13th Jul 2025407 PMAQI
13th Jul 2025458 PMAQI
13th Jul 2025549 PMAQI
13th Jul 20255410 PMAQI
13th Jul 20255511 PMAQI
14th Jul 20255412 AMAQI
14th Jul 2025561 AMAQI
14th Jul 2025582 AMAQI
14th Jul 2025583 AMAQI
26°C24/30°C
14th Jul 2025584 AMAQI
14th Jul 2025575 AMAQI
14th Jul 2025576 AMAQI
14th Jul 2025577 AMAQI
14th Jul 2025578 AMAQI
14th Jul 2025289 AMAQI
14th Jul 20251810 AMAQI
14th Jul 20251711 AMAQI
14th Jul 20251812 PMAQI
14th Jul 2025301 PMAQI
14th Jul 2025322 PMAQI
14th Jul 2025323 PMAQI
14th Jul 2025324 PMAQI
14th Jul 2025335 PMAQI
14th Jul 2025346 PMAQI
14th Jul 2025337 PMAQI
14th Jul 2025358 PMAQI
14th Jul 2025519 PMAQI
14th Jul 20255210 PMAQI
14th Jul 20255111 PMAQI
15th Jul 20255212 AMAQI
15th Jul 2025541 AMAQI
15th Jul 2025552 AMAQI
15th Jul 2025553 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 2025269 AMAQI
15th Jul 20251610 AMAQI
15th Jul 20251611 AMAQI
15th Jul 20251912 PMAQI
15th Jul 2025321 PMAQI
15th Jul 2025332 PMAQI
15th Jul 2025353 PMAQI
15th Jul 2025354 PMAQI
15th Jul 2025335 PMAQI
15th Jul 2025356 PMAQI
15th Jul 2025327 PMAQI
15th Jul 2025318 PMAQI
15th Jul 2025479 PMAQI
15th Jul 20254810 PMAQI
15th Jul 20254811 PMAQI
16th Jul 20254812 AMAQI
16th Jul 2025511 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 2025559 AMAQI
16th Jul 20255410 AMAQI
16th Jul 20254611 AMAQI
16th Jul 20253312 PMAQI
16th Jul 2025301 PMAQI
16th Jul 2025292 PMAQI
16th Jul 2025283 PMAQI
16th Jul 2025324 PMAQI
16th Jul 2025345 PMAQI
16th Jul 2025266 PMAQI
16th Jul 2025257 PMAQI
16th Jul 2025298 PMAQI
16th Jul 2025449 PMAQI
16th Jul 20254410 PMAQI
16th Jul 20254411 PMAQI
17th Jul 20254512 AMAQI
17th Jul 2025461 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025523 AMAQI
28°C24/31°C
17th Jul 2025524 AMAQI
17th Jul 2025525 AMAQI
17th Jul 2025516 AMAQI
17th Jul 2025527 AMAQI
17th Jul 2025508 AMAQI
17th Jul 2025249 AMAQI
17th Jul 20252110 AMAQI
17th Jul 20253011 AMAQI
17th Jul 20253312 PMAQI
17th Jul 2025361 PMAQI
17th Jul 2025342 PMAQI
17th Jul 2025343 PMAQI
17th Jul 2025324 PMAQI
17th Jul 2025365 PMAQI
17th Jul 2025386 PMAQI
17th Jul 2025367 PMAQI
17th Jul 2025398 PMAQI
17th Jul 2025439 PMAQI
17th Jul 20254310 PMAQI
17th Jul 20254411 PMAQI
18th Jul 20254212 AMAQI
18th Jul 2025451 AMAQI
18th Jul 2025482 AMAQI
18th Jul 2025483 AMAQI
28°C25/32°C
18th Jul 2025474 AMAQI
18th Jul 2025465 AMAQI
18th Jul 2025466 AMAQI
18th Jul 2025467 AMAQI
18th Jul 2025468 AMAQI
18th Jul 2025329 AMAQI
18th Jul 20253210 AMAQI
18th Jul 20253211 AMAQI
18th Jul 20253012 PMAQI
18th Jul 2025311 PMAQI
18th Jul 2025302 PMAQI
18th Jul 2025283 PMAQI
18th Jul 2025284 PMAQI
18th Jul 2025285 PMAQI
18th Jul 2025276 PMAQI
18th Jul 2025287 PMAQI
18th Jul 2025348 PMAQI
18th Jul 2025399 PMAQI
18th Jul 20254010 PMAQI
18th Jul 20254011 PMAQI
19th Jul 20254012 AMAQI
19th Jul 2025431 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025463 AMAQI
27°C24/32°C
19th Jul 2025444 AMAQI
19th Jul 2025435 AMAQI
19th Jul 2025436 AMAQI
19th Jul 2025447 AMAQI
19th Jul 2025438 AMAQI
19th Jul 2025309 AMAQI
19th Jul 20252510 AMAQI
19th Jul 20252211 AMAQI
19th Jul 20252512 PMAQI
19th Jul 2025291 PMAQI
19th Jul 2025292 PMAQI
19th Jul 2025283 PMAQI
19th Jul 2025294 PMAQI
19th Jul 2025275 PMAQI
19th Jul 2025266 PMAQI
19th Jul 2025257 PMAQI
19th Jul 2025298 PMAQI
19th Jul 2025369 PMAQI
19th Jul 20253610 PMAQI
19th Jul 20253611 PMAQI
20th Jul 20253812 AMAQI
20th Jul 2025381 AMAQI
20th Jul 2025422 AMAQI
20th Jul 2025443 AMAQI
28°C25/33°C
20th Jul 2025424 AMAQI
20th Jul 2025405 AMAQI
20th Jul 2025416 AMAQI
20th Jul 2025417 AMAQI
20th Jul 2025428 AMAQI
20th Jul 2025349 AMAQI
20th Jul 20252810 AMAQI
20th Jul 20253011 AMAQI
20th Jul 20253112 PMAQI
20th Jul 2025331 PMAQI
20th Jul 2025332 PMAQI
20th Jul 2025323 PMAQI
20th Jul 2025304 PMAQI
20th Jul 2025285 PMAQI
20th Jul 2025306 PMAQI
20th Jul 2025317 PMAQI
20th Jul 2025338 PMAQI
20th Jul 2025359 PMAQI
20th Jul 20253510 PMAQI
20th Jul 20253511 PMAQI
21st Jul 20253412 AMAQI
21st Jul 2025371 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025403 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 2025429 AMAQI
21st Jul 20254210 AMAQI
21st Jul 20254811 AMAQI
21st Jul 20255012 PMAQI
21st Jul 2025501 PMAQI
21st Jul 2025452 PMAQI
21st Jul 2025413 PMAQI
21st Jul 2025374 PMAQI
21st Jul 2025335 PMAQI
21st Jul 2025316 PMAQI
21st Jul 2025307 PMAQI
21st Jul 2025328 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 2025398 AMAQI
22nd Jul 2025349 AMAQI
22nd Jul 20254110 AMAQI
22nd Jul 20255411 AMAQI
22nd Jul 20255612 PMAQI
22nd Jul 2025541 PMAQI
22nd Jul 2025532 PMAQI
22nd Jul 2025513 PMAQI
22nd Jul 2025484 PMAQI
22nd Jul 2025425 PMAQI
22nd Jul 2025366 PMAQI
22nd Jul 2025327 PMAQI
22nd Jul 2025328 PMAQI
22nd Jul 2025329 PMAQI
22nd Jul 20253310 PMAQI
22nd Jul 20253311 PMAQI
23rd Jul 20253212 AMAQI
23rd Jul 2025351 AMAQI
23rd Jul 2025372 AMAQI
23rd Jul 2025373 AMAQI
31°C27/36°C
23rd Jul 2025384 AMAQI
23rd Jul 2025405 AMAQI
23rd Jul 2025406 AMAQI
23rd Jul 2025407 AMAQI
23rd Jul 2025398 AMAQI
23rd Jul 2025519 AMAQI
23rd Jul 20256010 AMAQI
23rd Jul 20256411 AMAQI
23rd Jul 20256612 PMAQI
23rd Jul 2025621 PMAQI
23rd Jul 2025612 PMAQI
23rd Jul 2025603 PMAQI
23rd Jul 2025544 PMAQI
23rd Jul 2025505 PMAQI
23rd Jul 2025506 PMAQI
23rd Jul 2025467 PMAQI
23rd Jul 2025368 PMAQI
23rd Jul 2025359 PMAQI
23rd Jul 20253610 PMAQI
23rd Jul 20253511 PMAQI
24th Jul 20253312 AMAQI
24th Jul 2025361 AMAQI
24th Jul 2025362 AMAQI
24th Jul 2025383 AMAQI
31°C27/36°C
24th Jul 2025394 AMAQI
24th Jul 2025425 AMAQI
24th Jul 2025426 AMAQI
24th Jul 2025427 AMAQI
24th Jul 2025428 AMAQI
24th Jul 2025539 AMAQI
24th Jul 20255810 AMAQI
24th Jul 20256311 AMAQI
24th Jul 20256512 PMAQI
24th Jul 2025601 PMAQI
24th Jul 2025592 PMAQI
24th Jul 2025583 PMAQI
24th Jul 2025544 PMAQI
24th Jul 2025505 PMAQI
24th Jul 2025386 PMAQI
24th Jul 2025387 PMAQI
24th Jul 2025368 PMAQI
24th Jul 2025349 PMAQI
24th Jul 20253610 PMAQI
24th Jul 20253711 PMAQI
25th Jul 20253912 AMAQI
25th Jul 2025391 AMAQI
25th Jul 2025372 AMAQI
25th Jul 2025383 AMAQI
31°C27/36°C
25th Jul 2025404 AMAQI
25th Jul 2025445 AMAQI
25th Jul 2025446 AMAQI
25th Jul 2025437 AMAQI
25th Jul 2025438 AMAQI
25th Jul 2025559 AMAQI
25th Jul 20256110 AMAQI
25th Jul 20256411 AMAQI
25th Jul 20256412 PMAQI
25th Jul 2025601 PMAQI
25th Jul 2025562 PMAQI
25th Jul 2025453 PMAQI
25th Jul 2025404 PMAQI
25th Jul 2025385 PMAQI
25th Jul 2025326 PMAQI
25th Jul 2025287 PMAQI
25th Jul 2025328 PMAQI
25th Jul 2025379 PMAQI
25th Jul 20253610 PMAQI
25th Jul 20253711 PMAQI
26th Jul 20253912 AMAQI
26th Jul 2025391 AMAQI
26th Jul 2025412 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 20255610 AMAQI
26th Jul 20255711 AMAQI
26th Jul 20255712 PMAQI
26th Jul 2025541 PMAQI
26th Jul 2025522 PMAQI
26th Jul 2025433 PMAQI
26th Jul 2025344 PMAQI
26th Jul 2025305 PMAQI
26th Jul 2025296 PMAQI
26th Jul 2025317 PMAQI
26th Jul 2025348 PMAQI
26th Jul 2025379 PMAQI
26th Jul 20253810 PMAQI
26th Jul 20253911 PMAQI
27th Jul 20254012 AMAQI
27th Jul 2025401 AMAQI
27th Jul 2025412 AMAQI
27th Jul 2025423 AMAQI
31°C27/36°C
27th Jul 2025424 AMAQI
27th Jul 2025445 AMAQI
27th Jul 2025446 AMAQI
27th Jul 2025447 AMAQI
27th Jul 2025448 AMAQI
27th Jul 2025469 AMAQI
27th Jul 20254910 AMAQI
27th Jul 20254511 AMAQI
27th Jul 20254512 PMAQI
27th Jul 2025421 PMAQI
27th Jul 2025432 PMAQI
27th Jul 2025423 PMAQI
27th Jul 2025364 PMAQI
27th Jul 2025315 PMAQI
27th Jul 2025276 PMAQI
27th Jul 2025247 PMAQI
27th Jul 2025288 PMAQI
27th Jul 2025369 PMAQI
27th Jul 20253610 PMAQI
27th Jul 20253611 PMAQI
28th Jul 20253612 AMAQI
28th Jul 2025391 AMAQI
28th Jul 2025422 AMAQI
28th Jul 2025433 AMAQI
31°C27/36°C
28th Jul 2025424 AMAQI
28th Jul 2025445 AMAQI
28th Jul 2025446 AMAQI
28th Jul 2025447 AMAQI
28th Jul 2025448 AMAQI
28th Jul 2025369 AMAQI
28th Jul 20254310 AMAQI
28th Jul 20255111 AMAQI
28th Jul 20255212 PMAQI
28th Jul 2025521 PMAQI
28th Jul 2025532 PMAQI
28th Jul 2025553 PMAQI
28th Jul 2025554 PMAQI
28th Jul 2025545 PMAQI
28th Jul 2025496 PMAQI
28th Jul 2025427 PMAQI
28th Jul 2025398 PMAQI
28th Jul 2025399 PMAQI
28th Jul 20253710 PMAQI
28th Jul 20253611 PMAQI
29th Jul 20253612 AMAQI
29th Jul 2025361 AMAQI
29th Jul 2025402 AMAQI
29th Jul 2025403 AMAQI
31°C27/36°C
29th Jul 2025414 AMAQI
29th Jul 2025435 AMAQI
29th Jul 2025446 AMAQI
29th Jul 2025437 AMAQI
29th Jul 2025438 AMAQI
29th Jul 2025539 AMAQI
29th Jul 20255910 AMAQI
29th Jul 20255811 AMAQI
29th Jul 20255512 PMAQI
29th Jul 2025541 PMAQI
29th Jul 2025532 PMAQI
29th Jul 2025523 PMAQI
29th Jul 2025534 PMAQI
29th Jul 2025525 PMAQI
29th Jul 2025486 PMAQI
29th Jul 2025427 PMAQI
29th Jul 2025348 PMAQI
29th Jul 2025349 PMAQI
29th Jul 20253510 PMAQI
29th Jul 20253411 PMAQI
30th Jul 20253412 AMAQI
30th Jul 2025371 AMAQI
30th Jul 2025412 AMAQI
30th Jul 2025413 AMAQI
31°C26/37°C
30th Jul 2025424 AMAQI
30th Jul 2025435 AMAQI
30th Jul 2025446 AMAQI
30th Jul 2025447 AMAQI
30th Jul 2025448 AMAQI
30th Jul 2025249 AMAQI
30th Jul 20251810 AMAQI
30th Jul 20252211 AMAQI
30th Jul 20253012 PMAQI
30th Jul 2025301 PMAQI
30th Jul 2025322 PMAQI
30th Jul 2025323 PMAQI
30th Jul 2025344 PMAQI
30th Jul 2025365 PMAQI
30th Jul 2025326 PMAQI
30th Jul 2025317 PMAQI
30th Jul 2025328 PMAQI
30th Jul 2025359 PMAQI
30th Jul 20253810 PMAQI
30th Jul 20253811 PMAQI
31st Jul 20253712 AMAQI
31st Jul 2025371 AMAQI
31st Jul 2025382 AMAQI
31st Jul 2025403 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 20254711 AMAQI
31st Jul 20255112 PMAQI
31st Jul 2025451 PMAQI
31st Jul 2025412 PMAQI
31st Jul 2025383 PMAQI
31st Jul 2025384 PMAQI
31st Jul 2025365 PMAQI
31st Jul 2025306 PMAQI
31st Jul 2025287 PMAQI
31st Jul 2025298 PMAQI
31st Jul 2025309 PMAQI
31st Jul 20253010 PMAQI
31st Jul 20252811 PMAQI
1st Aug 20252912 AMAQI
1st Aug 2025321 AMAQI
1st Aug 2025332 AMAQI
1st Aug 2025343 AMAQI
29°C25/34°C
1st Aug 2025354 AMAQI
1st Aug 2025345 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025347 AMAQI
1st Aug 2025358 AMAQI
1st Aug 2025419 AMAQI
1st Aug 20252810 AMAQI
1st Aug 20255111 AMAQI
1st Aug 20254212 PMAQI
1st Aug 2025491 PMAQI
1st Aug 2025402 PMAQI
1st Aug 2025363 PMAQI
1st Aug 2025454 PMAQI
1st Aug 2025425 PMAQI
1st Aug 2025446 PMAQI
1st Aug 2025267 PMAQI
1st Aug 2025308 PMAQI
1st Aug 2025329 PMAQI
1st Aug 20253410 PMAQI
1st Aug 20253011 PMAQI
2nd Aug 20253112 AMAQI
2nd Aug 2025301 AMAQI
2nd Aug 2025362 AMAQI
2nd Aug 2025373 AMAQI
28°C25/31°C
2nd Aug 2025384 AMAQI
2nd Aug 2025385 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025398 AMAQI
2nd Aug 2025389 AMAQI
2nd Aug 20253410 AMAQI
2nd Aug 20254511 AMAQI
2nd Aug 20253912 PMAQI
2nd Aug 2025441 PMAQI
2nd Aug 2025562 PMAQI
2nd Aug 2025583 PMAQI
2nd Aug 2025564 PMAQI
2nd Aug 2025545 PMAQI
2nd Aug 2025576 PMAQI
2nd Aug 2025517 PMAQI
2nd Aug 2025428 PMAQI
2nd Aug 2025399 PMAQI
2nd Aug 20253510 PMAQI
2nd Aug 20254511 PMAQI
3rd Aug 20253412 AMAQI
3rd Aug 2025351 AMAQI
3rd Aug 2025372 AMAQI
--°C/°C
4 AM
11 AM
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
11 AM - 6 PM
48AQI
8 hours / Day
240 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 11 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
Tachikawa, Tokyo, Japan
2025
95%
203
5%
10
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Good
203 DaysModerate
10 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 214 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
Tachikawa, 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
27AQI
27AQI
2nd January 2025
26AQI
26AQI
3rd January 2025
24AQI
24AQI
4th January 2025
25AQI
25AQI
5th January 2025
23AQI
23AQI
6th January 2025
28AQI
28AQI
7th January 2025
24AQI
24AQI
8th January 2025
23AQI
23AQI
9th January 2025
21AQI
21AQI
10th January 2025
19AQI
19AQI
11th January 2025
23AQI
23AQI
12th January 2025
26AQI
26AQI
13th January 2025
28AQI
28AQI
14th January 2025
24AQI
24AQI
15th January 2025
28AQI
28AQI
16th January 2025
23AQI
23AQI
17th January 2025
27AQI
27AQI
18th January 2025
25AQI
25AQI
19th January 2025
28AQI
28AQI
20th January 2025
27AQI
27AQI
21st January 2025
30AQI
30AQI
22nd January 2025
30AQI
30AQI
23rd January 2025
31AQI
31AQI
24th January 2025
35AQI
35AQI
25th January 2025
32AQI
32AQI
26th January 2025
32AQI
32AQI
27th January 2025
23AQI
23AQI
28th January 2025
29AQI
29AQI
29th January 2025
26AQI
26AQI
30th January 2025
27AQI
27AQI
31st January 2025
27AQI
27AQI
1st February 2025
30AQI
30AQI
2nd February 2025
31AQI
31AQI
3rd February 2025
26AQI
26AQI
4th February 2025
30AQI
30AQI
5th February 2025
29AQI
29AQI
6th February 2025
27AQI
27AQI
7th February 2025
27AQI
27AQI
8th February 2025
29AQI
29AQI
9th February 2025
28AQI
28AQI
10th February 2025
27AQI
27AQI
11th February 2025
27AQI
27AQI
12th February 2025
27AQI
27AQI
13th February 2025
32AQI
32AQI
14th February 2025
28AQI
28AQI
15th February 2025
28AQI
28AQI
16th February 2025
32AQI
32AQI
17th February 2025
33AQI
33AQI
18th February 2025
29AQI
29AQI
19th February 2025
29AQI
29AQI
20th February 2025
29AQI
29AQI
21st February 2025
30AQI
30AQI
22nd February 2025
29AQI
29AQI
23rd February 2025
31AQI
31AQI
24th February 2025
32AQI
32AQI
25th February 2025
32AQI
32AQI
26th February 2025
33AQI
33AQI
27th February 2025
37AQI
37AQI
28th February 2025
38AQI
38AQI
1st March 2025
45AQI
45AQI
2nd March 2025
42AQI
42AQI
3rd March 2025
34AQI
34AQI
4th March 2025
31AQI
31AQI
5th March 2025
27AQI
27AQI
6th March 2025
30AQI
30AQI
7th March 2025
32AQI
32AQI
8th March 2025
32AQI
32AQI
9th March 2025
36AQI
36AQI
10th March 2025
33AQI
33AQI
11th March 2025
33AQI
33AQI
12th March 2025
31AQI
31AQI
13th March 2025
37AQI
37AQI
14th March 2025
23AQI
23AQI
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
22AQI
22AQI
22nd March 2025
24AQI
24AQI
23rd March 2025
26AQI
26AQI
24th March 2025
28AQI
28AQI
25th March 2025
49AQI
49AQI
26th March 2025
62AQI
62AQI
27th March 2025
58AQI
58AQI
28th March 2025
39AQI
39AQI
29th March 2025
31AQI
31AQI
30th March 2025
36AQI
36AQI
31st March 2025
29AQI
29AQI
1st April 2025
24AQI
24AQI
2nd April 2025
20AQI
20AQI
3rd April 2025
18AQI
18AQI
4th April 2025
18AQI
18AQI
5th April 2025
19AQI
19AQI
6th April 2025
14AQI
14AQI
7th April 2025
15AQI
15AQI
8th April 2025
18AQI
18AQI
9th April 2025
16AQI
16AQI
10th April 2025
21AQI
21AQI
11th April 2025
21AQI
21AQI
12th April 2025
21AQI
21AQI
13th April 2025
18AQI
18AQI
14th April 2025
21AQI
21AQI
15th April 2025
19AQI
19AQI
16th April 2025
19AQI
19AQI
17th April 2025
24AQI
24AQI
18th April 2025
28AQI
28AQI
19th April 2025
32AQI
32AQI
20th April 2025
27AQI
27AQI
21st April 2025
21AQI
21AQI
22nd April 2025
22AQI
22AQI
23rd April 2025
15AQI
15AQI
24th April 2025
15AQI
15AQI
25th April 2025
16AQI
16AQI
26th April 2025
18AQI
18AQI
27th April 2025
19AQI
19AQI
28th April 2025
19AQI
19AQI
29th April 2025
14AQI
14AQI
30th April 2025
18AQI
18AQI
1st May 2025
17AQI
17AQI
2nd May 2025
16AQI
16AQI
3rd May 2025
16AQI
16AQI
4th May 2025
23AQI
23AQI
5th May 2025
18AQI
18AQI
6th May 2025
18AQI
18AQI
7th May 2025
14AQI
14AQI
8th May 2025
17AQI
17AQI
9th May 2025
16AQI
16AQI
10th May 2025
14AQI
14AQI
11th May 2025
15AQI
15AQI
12th May 2025
16AQI
16AQI
13th May 2025
19AQI
19AQI
14th May 2025
19AQI
19AQI
15th May 2025
20AQI
20AQI
16th May 2025
22AQI
22AQI
17th May 2025
18AQI
18AQI
18th May 2025
23AQI
23AQI
19th May 2025
24AQI
24AQI
20th May 2025
40AQI
40AQI
21st May 2025
39AQI
39AQI
22nd May 2025
30AQI
30AQI
23rd May 2025
28AQI
28AQI
24th May 2025
24AQI
24AQI
25th May 2025
19AQI
19AQI
26th May 2025
20AQI
20AQI
27th May 2025
19AQI
19AQI
28th May 2025
17AQI
17AQI
29th May 2025
20AQI
20AQI
30th May 2025
16AQI
16AQI
31st May 2025
14AQI
14AQI
1st June 2025
15AQI
15AQI
2nd June 2025
17AQI
17AQI
3rd June 2025
17AQI
17AQI
4th June 2025
17AQI
17AQI
5th June 2025
21AQI
21AQI
6th June 2025
22AQI
22AQI
7th June 2025
26AQI
26AQI
8th June 2025
30AQI
30AQI
9th June 2025
26AQI
26AQI
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
18AQI
18AQI
16th June 2025
19AQI
19AQI
17th June 2025
28AQI
28AQI
18th June 2025
24AQI
24AQI
19th June 2025
25AQI
25AQI
20th June 2025
24AQI
24AQI
21st June 2025
21AQI
21AQI
22nd June 2025
12AQI
12AQI
23rd June 2025
13AQI
13AQI
24th June 2025
14AQI
14AQI
25th June 2025
15AQI
15AQI
26th June 2025
15AQI
15AQI
27th June 2025
18AQI
18AQI
28th June 2025
17AQI
17AQI
29th June 2025
20AQI
20AQI
30th June 2025
34AQI
34AQI
1st July 2025
39AQI
39AQI
2nd July 2025
44AQI
44AQI
3rd July 2025
50AQI
50AQI
4th July 2025
47AQI
47AQI
5th July 2025
48AQI
48AQI
6th July 2025
54AQI
54AQI
7th July 2025
71AQI
71AQI
8th July 2025
77AQI
77AQI
9th July 2025
78AQI
78AQI
10th July 2025
63AQI
63AQI
11th July 2025
52AQI
52AQI
12th July 2025
55AQI
55AQI
13th July 2025
53AQI
53AQI
14th July 2025
45AQI
45AQI
15th July 2025
43AQI
43AQI
16th July 2025
43AQI
43AQI
17th July 2025
42AQI
42AQI
18th July 2025
38AQI
38AQI
19th July 2025
36AQI
36AQI
20th July 2025
36AQI
36AQI
21st July 2025
37AQI
37AQI
22nd July 2025
38AQI
38AQI
23rd July 2025
43AQI
43AQI
24th July 2025
42AQI
42AQI
25th July 2025
42AQI
42AQI
26th July 2025
41AQI
41AQI
27th July 2025
39AQI
39AQI
28th July 2025
43AQI
43AQI
29th July 2025
43AQI
43AQI
30th July 2025
35AQI
35AQI
31st July 2025
36AQI
36AQI
1st August 2025
35AQI
35AQI
26AQI
30AQI
31AQI
20AQI
20AQI
20AQI
47AQI
35AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202528AQI
31
28
29
2
30
31
30
23
8
1
203
10
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
April20AQI
202430AQI
31
29
31
29
1
29
2
26
4
27
4
31
30
31
30
31
355
11
Highest AQI recorded in
June40AQI
Lowest AQI recorded in
January23AQI
202328AQI
31
28
29
2
25
5
29
2
28
2
31
31
30
29
2
29
31
351
13
Highest AQI recorded in
April39AQI
Lowest AQI recorded in
August17AQI
202229AQI
30
20
1
27
4
23
7
30
1
29
1
19
2
1
28
31
30
31
299
16
Highest AQI recorded in
April41AQI
Lowest AQI recorded in
August12AQI
202120AQI
30
1
28
31
30
31
29
1
31
30
1
30
31
30
31
362
3
Highest AQI recorded in
June31AQI
Lowest AQI recorded in
February11AQI
202013AQI
13
21
18
30
31
31
19
31
30
31
255
Highest AQI recorded in
August23AQI
Lowest AQI recorded in
September9AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2024(Avg.)
30AQILeast Polluted Year Recorded
2020(Avg.)
13AQITachikawa's annual 2025 AQI (28) shows an average percentage change of 27.5% (worsened AQI) compared to previous years: 2020 (13), 2021 (20), 2022 (29), 2023 (28), 2024 (30).
