Seijo, Kamirenjaku, 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
Seijo, Kamirenjaku, Tokyo, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
66AQILowest AQI recorded on
25th Aug 2023
9AQISame Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 60 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
Seijo, Kamirenjaku, Tokyo, Japan
AQI
Day
Night
.
4 AM5th Aug 2025
6 PM
3 AM6th Aug 2025
Day time
Avg. Highest Time
10AM5th Aug
63AQI
Avg. Lowest Time
4AM5th Aug
51AQI
Night time
Avg. Highest Time
7PM5th Aug
52AQI
Avg. Lowest Time
11PM5th Aug
47AQI
In the last 24 hours,
Seijo's AQI reached its highest point of 63 at 10 AM during the Day, while the lowest point, 47, was recorded at 11 PM during the Night between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Seijo, Kamirenjaku, 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 2025474 AMAQI
7th Jul 2025525 AMAQI
7th Jul 2025526 AMAQI
7th Jul 2025527 AMAQI
7th Jul 2025528 AMAQI
7th Jul 2025979 AMAQI
7th Jul 202510910 AMAQI
7th Jul 20259911 AMAQI
7th Jul 20259912 PMAQI
7th Jul 2025961 PMAQI
7th Jul 2025872 PMAQI
7th Jul 2025823 PMAQI
7th Jul 2025784 PMAQI
7th Jul 2025825 PMAQI
7th Jul 2025936 PMAQI
7th Jul 20251217 PMAQI
7th Jul 20251068 PMAQI
7th Jul 2025839 PMAQI
7th Jul 20258010 PMAQI
7th Jul 20257911 PMAQI
8th Jul 20257912 AMAQI
8th Jul 2025711 AMAQI
8th Jul 2025552 AMAQI
8th Jul 2025553 AMAQI
31°C28/35°C
8th Jul 2025584 AMAQI
8th Jul 2025635 AMAQI
8th Jul 2025636 AMAQI
8th Jul 2025637 AMAQI
8th Jul 2025638 AMAQI
8th Jul 20251069 AMAQI
8th Jul 202511210 AMAQI
8th Jul 202510311 AMAQI
8th Jul 20259912 PMAQI
8th Jul 2025901 PMAQI
8th Jul 2025782 PMAQI
8th Jul 2025723 PMAQI
8th Jul 2025804 PMAQI
8th Jul 2025865 PMAQI
8th Jul 2025896 PMAQI
8th Jul 2025917 PMAQI
8th Jul 2025878 PMAQI
8th Jul 2025799 PMAQI
8th Jul 20258010 PMAQI
8th Jul 20257911 PMAQI
9th Jul 20257912 AMAQI
9th Jul 2025741 AMAQI
9th Jul 2025642 AMAQI
9th Jul 2025643 AMAQI
30°C28/34°C
9th Jul 2025664 AMAQI
9th Jul 2025715 AMAQI
9th Jul 2025716 AMAQI
9th Jul 2025707 AMAQI
9th Jul 2025718 AMAQI
9th Jul 20251069 AMAQI
9th Jul 202512110 AMAQI
9th Jul 202512711 AMAQI
9th Jul 202512112 PMAQI
9th Jul 20251101 PMAQI
9th Jul 20251012 PMAQI
9th Jul 20251013 PMAQI
9th Jul 2025994 PMAQI
9th Jul 2025995 PMAQI
9th Jul 2025926 PMAQI
9th Jul 2025767 PMAQI
9th Jul 2025608 PMAQI
9th Jul 2025649 PMAQI
9th Jul 20256110 PMAQI
9th Jul 20255911 PMAQI
10th Jul 20255812 AMAQI
10th Jul 2025601 AMAQI
10th Jul 2025702 AMAQI
10th Jul 2025703 AMAQI
30°C27/34°C
10th Jul 2025724 AMAQI
10th Jul 2025785 AMAQI
10th Jul 2025786 AMAQI
10th Jul 2025787 AMAQI
10th Jul 2025788 AMAQI
10th Jul 2025529 AMAQI
10th Jul 20255210 AMAQI
10th Jul 20256111 AMAQI
10th Jul 20256412 PMAQI
10th Jul 2025501 PMAQI
10th Jul 2025322 PMAQI
10th Jul 2025273 PMAQI
10th Jul 2025264 PMAQI
10th Jul 2025355 PMAQI
10th Jul 2025336 PMAQI
10th Jul 2025367 PMAQI
10th Jul 2025408 PMAQI
10th Jul 2025589 PMAQI
10th Jul 20255810 PMAQI
10th Jul 20255711 PMAQI
11th Jul 20255612 AMAQI
11th Jul 2025601 AMAQI
11th Jul 2025702 AMAQI
11th Jul 2025703 AMAQI
29°C24/35°C
11th Jul 2025704 AMAQI
11th Jul 2025675 AMAQI
11th Jul 2025676 AMAQI
11th Jul 2025677 AMAQI
11th Jul 2025678 AMAQI
11th Jul 2025319 AMAQI
11th Jul 20251710 AMAQI
11th Jul 20252011 AMAQI
11th Jul 20252412 PMAQI
11th Jul 2025281 PMAQI
11th Jul 2025262 PMAQI
11th Jul 2025313 PMAQI
11th Jul 2025304 PMAQI
11th Jul 2025365 PMAQI
11th Jul 2025336 PMAQI
11th Jul 2025307 PMAQI
11th Jul 2025398 PMAQI
11th Jul 2025559 PMAQI
11th Jul 20255710 PMAQI
11th Jul 20255711 PMAQI
12th Jul 20255612 AMAQI
12th Jul 2025581 AMAQI
12th Jul 2025662 AMAQI
12th Jul 2025663 AMAQI
24°C23/27°C
12th Jul 2025644 AMAQI
12th Jul 2025605 AMAQI
12th Jul 2025606 AMAQI
12th Jul 2025607 AMAQI
12th Jul 2025608 AMAQI
12th Jul 2025429 AMAQI
12th Jul 20253510 AMAQI
12th Jul 20253711 AMAQI
12th Jul 20253812 PMAQI
12th Jul 2025431 PMAQI
12th Jul 2025482 PMAQI
12th Jul 2025503 PMAQI
12th Jul 2025484 PMAQI
12th Jul 2025485 PMAQI
12th Jul 2025526 PMAQI
12th Jul 2025507 PMAQI
12th Jul 2025488 PMAQI
12th Jul 2025559 PMAQI
12th Jul 20255410 PMAQI
12th Jul 20255511 PMAQI
13th Jul 20255512 AMAQI
13th Jul 2025571 AMAQI
13th Jul 2025612 AMAQI
13th Jul 2025613 AMAQI
25°C22/29°C
13th Jul 2025614 AMAQI
13th Jul 2025585 AMAQI
13th Jul 2025586 AMAQI
13th Jul 2025587 AMAQI
13th Jul 2025588 AMAQI
13th Jul 2025469 AMAQI
13th Jul 20253510 AMAQI
13th Jul 20253611 AMAQI
13th Jul 20254212 PMAQI
13th Jul 2025461 PMAQI
13th Jul 2025482 PMAQI
13th Jul 2025463 PMAQI
13th Jul 2025384 PMAQI
13th Jul 2025405 PMAQI
13th Jul 2025526 PMAQI
13th Jul 2025497 PMAQI
13th Jul 2025508 PMAQI
13th Jul 2025529 PMAQI
13th Jul 20254810 PMAQI
13th Jul 20254811 PMAQI
14th Jul 20254912 AMAQI
14th Jul 2025531 AMAQI
14th Jul 2025592 AMAQI
14th Jul 2025593 AMAQI
27°C24/31°C
14th Jul 2025584 AMAQI
14th Jul 2025575 AMAQI
14th Jul 2025576 AMAQI
14th Jul 2025567 AMAQI
14th Jul 2025578 AMAQI
14th Jul 2025349 AMAQI
14th Jul 20253110 AMAQI
14th Jul 20252611 AMAQI
14th Jul 20252012 PMAQI
14th Jul 2025221 PMAQI
14th Jul 2025212 PMAQI
14th Jul 2025203 PMAQI
14th Jul 2025204 PMAQI
14th Jul 2025215 PMAQI
14th Jul 2025226 PMAQI
14th Jul 2025267 PMAQI
14th Jul 2025348 PMAQI
14th Jul 2025449 PMAQI
14th Jul 20254410 PMAQI
14th Jul 20254211 PMAQI
15th Jul 20254412 AMAQI
15th Jul 2025471 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025573 AMAQI
27°C25/30°C
15th Jul 2025564 AMAQI
15th Jul 2025535 AMAQI
15th Jul 2025536 AMAQI
15th Jul 2025537 AMAQI
15th Jul 2025538 AMAQI
15th Jul 2025319 AMAQI
15th Jul 20252210 AMAQI
15th Jul 20252211 AMAQI
15th Jul 20252012 PMAQI
15th Jul 2025241 PMAQI
15th Jul 2025242 PMAQI
15th Jul 2025283 PMAQI
15th Jul 2025334 PMAQI
15th Jul 2025265 PMAQI
15th Jul 2025216 PMAQI
15th Jul 2025257 PMAQI
15th Jul 2025268 PMAQI
15th Jul 2025389 PMAQI
15th Jul 20253810 PMAQI
15th Jul 20254111 PMAQI
16th Jul 20254212 AMAQI
16th Jul 2025451 AMAQI
16th Jul 2025532 AMAQI
16th Jul 2025543 AMAQI
28°C26/30°C
16th Jul 2025534 AMAQI
16th Jul 2025515 AMAQI
16th Jul 2025506 AMAQI
16th Jul 2025517 AMAQI
16th Jul 2025518 AMAQI
16th Jul 2025489 AMAQI
16th Jul 20254410 AMAQI
16th Jul 20253411 AMAQI
16th Jul 20252212 PMAQI
16th Jul 2025201 PMAQI
16th Jul 2025232 PMAQI
16th Jul 2025203 PMAQI
16th Jul 2025204 PMAQI
16th Jul 2025225 PMAQI
16th Jul 2025246 PMAQI
16th Jul 2025187 PMAQI
16th Jul 2025258 PMAQI
16th Jul 2025409 PMAQI
16th Jul 20253910 PMAQI
16th Jul 20253711 PMAQI
17th Jul 20253712 AMAQI
17th Jul 2025431 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025513 AMAQI
28°C26/31°C
17th Jul 2025514 AMAQI
17th Jul 2025485 AMAQI
17th Jul 2025486 AMAQI
17th Jul 2025487 AMAQI
17th Jul 2025488 AMAQI
17th Jul 2025269 AMAQI
17th Jul 20252810 AMAQI
17th Jul 20253111 AMAQI
17th Jul 20252812 PMAQI
17th Jul 2025301 PMAQI
17th Jul 2025252 PMAQI
17th Jul 2025283 PMAQI
17th Jul 2025344 PMAQI
17th Jul 2025345 PMAQI
17th Jul 2025286 PMAQI
17th Jul 2025437 PMAQI
17th Jul 2025438 PMAQI
17th Jul 2025479 PMAQI
17th Jul 20254610 PMAQI
17th Jul 20254311 PMAQI
18th Jul 20254212 AMAQI
18th Jul 2025441 AMAQI
18th Jul 2025482 AMAQI
18th Jul 2025503 AMAQI
29°C26/31°C
18th Jul 2025484 AMAQI
18th Jul 2025455 AMAQI
18th Jul 2025446 AMAQI
18th Jul 2025447 AMAQI
18th Jul 2025448 AMAQI
18th Jul 2025289 AMAQI
18th Jul 20252210 AMAQI
18th Jul 20252011 AMAQI
18th Jul 20252112 PMAQI
18th Jul 2025221 PMAQI
18th Jul 2025192 PMAQI
18th Jul 2025203 PMAQI
18th Jul 2025264 PMAQI
18th Jul 2025205 PMAQI
18th Jul 2025276 PMAQI
18th Jul 2025297 PMAQI
18th Jul 2025328 PMAQI
18th Jul 2025389 PMAQI
18th Jul 20253710 PMAQI
18th Jul 20253611 PMAQI
19th Jul 20253512 AMAQI
19th Jul 2025381 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025463 AMAQI
28°C25/31°C
19th Jul 2025454 AMAQI
19th Jul 2025425 AMAQI
19th Jul 2025426 AMAQI
19th Jul 2025417 AMAQI
19th Jul 2025418 AMAQI
19th Jul 2025279 AMAQI
19th Jul 20252110 AMAQI
19th Jul 20252211 AMAQI
19th Jul 20251612 PMAQI
19th Jul 2025201 PMAQI
19th Jul 2025182 PMAQI
19th Jul 2025203 PMAQI
19th Jul 2025274 PMAQI
19th Jul 2025225 PMAQI
19th Jul 2025246 PMAQI
19th Jul 2025267 PMAQI
19th Jul 2025278 PMAQI
19th Jul 2025329 PMAQI
19th Jul 20253610 PMAQI
19th Jul 20253511 PMAQI
20th Jul 20253312 AMAQI
20th Jul 2025341 AMAQI
20th Jul 2025422 AMAQI
20th Jul 2025433 AMAQI
29°C26/32°C
20th Jul 2025424 AMAQI
20th Jul 2025385 AMAQI
20th Jul 2025386 AMAQI
20th Jul 2025387 AMAQI
20th Jul 2025388 AMAQI
20th Jul 2025299 AMAQI
20th Jul 20251810 AMAQI
20th Jul 20252011 AMAQI
20th Jul 20252312 PMAQI
20th Jul 2025201 PMAQI
20th Jul 2025202 PMAQI
20th Jul 2025223 PMAQI
20th Jul 2025234 PMAQI
20th Jul 2025285 PMAQI
20th Jul 2025346 PMAQI
20th Jul 2025407 PMAQI
20th Jul 2025328 PMAQI
20th Jul 2025349 PMAQI
20th Jul 20253410 PMAQI
20th Jul 20253411 PMAQI
21st Jul 20253212 AMAQI
21st Jul 2025351 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025403 AMAQI
30°C27/33°C
21st Jul 2025394 AMAQI
21st Jul 2025375 AMAQI
21st Jul 2025376 AMAQI
21st Jul 2025367 AMAQI
21st Jul 2025368 AMAQI
21st Jul 2025259 AMAQI
21st Jul 20252510 AMAQI
21st Jul 20252611 AMAQI
21st Jul 20253612 PMAQI
21st Jul 2025331 PMAQI
21st Jul 2025322 PMAQI
21st Jul 2025313 PMAQI
21st Jul 2025284 PMAQI
21st Jul 2025325 PMAQI
21st Jul 2025336 PMAQI
21st Jul 2025427 PMAQI
21st Jul 2025348 PMAQI
21st Jul 2025359 PMAQI
21st Jul 20253310 PMAQI
21st Jul 20253311 PMAQI
22nd Jul 20253012 AMAQI
22nd Jul 2025331 AMAQI
22nd Jul 2025382 AMAQI
22nd Jul 2025383 AMAQI
31°C28/35°C
22nd Jul 2025374 AMAQI
22nd Jul 2025365 AMAQI
22nd Jul 2025376 AMAQI
22nd Jul 2025377 AMAQI
22nd Jul 2025378 AMAQI
22nd Jul 2025269 AMAQI
22nd Jul 20253010 AMAQI
22nd Jul 20253411 AMAQI
22nd Jul 20254512 PMAQI
22nd Jul 2025461 PMAQI
22nd Jul 2025502 PMAQI
22nd Jul 2025443 PMAQI
22nd Jul 2025404 PMAQI
22nd Jul 2025405 PMAQI
22nd Jul 2025516 PMAQI
22nd Jul 2025367 PMAQI
22nd Jul 2025288 PMAQI
22nd Jul 2025329 PMAQI
22nd Jul 20253210 PMAQI
22nd Jul 20253211 PMAQI
23rd Jul 20253012 AMAQI
23rd Jul 2025321 AMAQI
23rd Jul 2025382 AMAQI
23rd Jul 2025373 AMAQI
31°C28/35°C
23rd Jul 2025384 AMAQI
23rd Jul 2025385 AMAQI
23rd Jul 2025386 AMAQI
23rd Jul 2025387 AMAQI
23rd Jul 2025388 AMAQI
23rd Jul 2025289 AMAQI
23rd Jul 20253310 AMAQI
23rd Jul 20254611 AMAQI
23rd Jul 20255612 PMAQI
23rd Jul 2025571 PMAQI
23rd Jul 2025562 PMAQI
23rd Jul 2025523 PMAQI
23rd Jul 2025484 PMAQI
23rd Jul 2025485 PMAQI
23rd Jul 2025526 PMAQI
23rd Jul 2025467 PMAQI
23rd Jul 2025348 PMAQI
23rd Jul 2025309 PMAQI
23rd Jul 20253110 PMAQI
23rd Jul 20253011 PMAQI
24th Jul 20253012 AMAQI
24th Jul 2025321 AMAQI
24th Jul 2025382 AMAQI
24th Jul 2025373 AMAQI
31°C28/35°C
24th Jul 2025384 AMAQI
24th Jul 2025415 AMAQI
24th Jul 2025406 AMAQI
24th Jul 2025407 AMAQI
24th Jul 2025418 AMAQI
24th Jul 2025449 AMAQI
24th Jul 20255010 AMAQI
24th Jul 20255411 AMAQI
24th Jul 20255712 PMAQI
24th Jul 2025581 PMAQI
24th Jul 2025592 PMAQI
24th Jul 2025543 PMAQI
24th Jul 2025504 PMAQI
24th Jul 2025485 PMAQI
24th Jul 2025366 PMAQI
24th Jul 2025447 PMAQI
24th Jul 2025348 PMAQI
24th Jul 2025319 PMAQI
24th Jul 20253410 PMAQI
24th Jul 20253411 PMAQI
25th Jul 20253412 AMAQI
25th Jul 2025331 AMAQI
25th Jul 2025382 AMAQI
25th Jul 2025373 AMAQI
31°C28/35°C
25th Jul 2025404 AMAQI
25th Jul 2025425 AMAQI
25th Jul 2025436 AMAQI
25th Jul 2025437 AMAQI
25th Jul 2025438 AMAQI
25th Jul 2025519 AMAQI
25th Jul 20255410 AMAQI
25th Jul 20255511 AMAQI
25th Jul 20255912 PMAQI
25th Jul 2025521 PMAQI
25th Jul 2025402 PMAQI
25th Jul 2025403 PMAQI
25th Jul 2025394 PMAQI
25th Jul 2025255 PMAQI
25th Jul 2025316 PMAQI
25th Jul 2025327 PMAQI
25th Jul 2025308 PMAQI
25th Jul 2025329 PMAQI
25th Jul 20253210 PMAQI
25th Jul 20253111 PMAQI
26th Jul 20253012 AMAQI
26th Jul 2025301 AMAQI
26th Jul 2025392 AMAQI
26th Jul 2025403 AMAQI
32°C29/35°C
26th Jul 2025414 AMAQI
26th Jul 2025445 AMAQI
26th Jul 2025446 AMAQI
26th Jul 2025447 AMAQI
26th Jul 2025448 AMAQI
26th Jul 2025489 AMAQI
26th Jul 20254710 AMAQI
26th Jul 20255011 AMAQI
26th Jul 20255112 PMAQI
26th Jul 2025401 PMAQI
26th Jul 2025342 PMAQI
26th Jul 2025333 PMAQI
26th Jul 2025304 PMAQI
26th Jul 2025305 PMAQI
26th Jul 2025226 PMAQI
26th Jul 2025317 PMAQI
26th Jul 2025328 PMAQI
26th Jul 2025329 PMAQI
26th Jul 20253210 PMAQI
26th Jul 20253211 PMAQI
27th Jul 20253112 AMAQI
27th Jul 2025341 AMAQI
27th Jul 2025382 AMAQI
27th Jul 2025393 AMAQI
31°C29/36°C
27th Jul 2025404 AMAQI
27th Jul 2025405 AMAQI
27th Jul 2025416 AMAQI
27th Jul 2025427 AMAQI
27th Jul 2025428 AMAQI
27th Jul 2025319 AMAQI
27th Jul 20252310 AMAQI
27th Jul 20252611 AMAQI
27th Jul 20253312 PMAQI
27th Jul 2025331 PMAQI
27th Jul 2025282 PMAQI
27th Jul 2025213 PMAQI
27th Jul 2025254 PMAQI
27th Jul 2025305 PMAQI
27th Jul 2025286 PMAQI
27th Jul 2025287 PMAQI
27th Jul 2025258 PMAQI
27th Jul 2025289 PMAQI
27th Jul 20252810 PMAQI
27th Jul 20252811 PMAQI
28th Jul 20253012 AMAQI
28th Jul 2025301 AMAQI
28th Jul 2025382 AMAQI
28th Jul 2025383 AMAQI
31°C29/35°C
28th Jul 2025384 AMAQI
28th Jul 2025375 AMAQI
28th Jul 2025376 AMAQI
28th Jul 2025377 AMAQI
28th Jul 2025378 AMAQI
28th Jul 2025349 AMAQI
28th Jul 20253010 AMAQI
28th Jul 20253211 AMAQI
28th Jul 20254212 PMAQI
28th Jul 2025471 PMAQI
28th Jul 2025542 PMAQI
28th Jul 2025523 PMAQI
28th Jul 2025574 PMAQI
28th Jul 2025565 PMAQI
28th Jul 2025546 PMAQI
28th Jul 2025447 PMAQI
28th Jul 2025348 PMAQI
28th Jul 2025329 PMAQI
28th Jul 20253210 PMAQI
28th Jul 20253211 PMAQI
29th Jul 20253212 AMAQI
29th Jul 2025301 AMAQI
29th Jul 2025372 AMAQI
29th Jul 2025363 AMAQI
31°C29/36°C
29th Jul 2025374 AMAQI
29th Jul 2025395 AMAQI
29th Jul 2025396 AMAQI
29th Jul 2025407 AMAQI
29th Jul 2025388 AMAQI
29th Jul 2025249 AMAQI
29th Jul 20252510 AMAQI
29th Jul 20253911 AMAQI
29th Jul 20254512 PMAQI
29th Jul 2025391 PMAQI
29th Jul 2025372 PMAQI
29th Jul 2025383 PMAQI
29th Jul 2025444 PMAQI
29th Jul 2025395 PMAQI
29th Jul 2025436 PMAQI
29th Jul 2025267 PMAQI
29th Jul 2025298 PMAQI
29th Jul 2025289 PMAQI
29th Jul 20253010 PMAQI
29th Jul 20252811 PMAQI
30th Jul 20253012 AMAQI
30th Jul 2025331 AMAQI
30th Jul 2025362 AMAQI
30th Jul 2025363 AMAQI
31°C27/37°C
30th Jul 2025374 AMAQI
30th Jul 2025385 AMAQI
30th Jul 2025396 AMAQI
30th Jul 2025387 AMAQI
30th Jul 2025408 AMAQI
30th Jul 2025249 AMAQI
30th Jul 20251910 AMAQI
30th Jul 20252211 AMAQI
30th Jul 20253112 PMAQI
30th Jul 2025341 PMAQI
30th Jul 2025322 PMAQI
30th Jul 2025353 PMAQI
30th Jul 2025344 PMAQI
30th Jul 2025315 PMAQI
30th Jul 2025306 PMAQI
30th Jul 2025297 PMAQI
30th Jul 2025318 PMAQI
30th Jul 2025369 PMAQI
30th Jul 20253210 PMAQI
30th Jul 20253311 PMAQI
31st Jul 20253612 AMAQI
31st Jul 2025361 AMAQI
31st Jul 2025362 AMAQI
31st Jul 2025373 AMAQI
31°C27/36°C
31st Jul 2025364 AMAQI
31st Jul 2025355 AMAQI
31st Jul 2025356 AMAQI
31st Jul 2025357 AMAQI
31st Jul 2025358 AMAQI
31st Jul 2025359 AMAQI
31st Jul 20253510 AMAQI
31st Jul 20253111 AMAQI
31st Jul 20253612 PMAQI
31st Jul 2025441 PMAQI
31st Jul 2025392 PMAQI
31st Jul 2025363 PMAQI
31st Jul 2025284 PMAQI
31st Jul 2025245 PMAQI
31st Jul 2025256 PMAQI
31st Jul 2025267 PMAQI
31st Jul 2025278 PMAQI
31st Jul 2025289 PMAQI
31st Jul 20253010 PMAQI
31st Jul 20252611 PMAQI
1st Aug 20252712 AMAQI
1st Aug 2025331 AMAQI
1st Aug 2025342 AMAQI
1st Aug 2025343 AMAQI
29°C26/34°C
1st Aug 2025364 AMAQI
1st Aug 2025355 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025367 AMAQI
1st Aug 2025368 AMAQI
1st Aug 2025359 AMAQI
1st Aug 20253310 AMAQI
1st Aug 20254511 AMAQI
1st Aug 20254212 PMAQI
1st Aug 2025391 PMAQI
1st Aug 2025392 PMAQI
1st Aug 2025343 PMAQI
1st Aug 2025444 PMAQI
1st Aug 2025305 PMAQI
1st Aug 2025386 PMAQI
1st Aug 2025237 PMAQI
1st Aug 2025288 PMAQI
1st Aug 2025289 PMAQI
1st Aug 20253010 PMAQI
1st Aug 20252911 PMAQI
2nd Aug 20252912 AMAQI
2nd Aug 2025291 AMAQI
2nd Aug 2025362 AMAQI
2nd Aug 2025363 AMAQI
29°C27/32°C
2nd Aug 2025374 AMAQI
2nd Aug 2025385 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025377 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025429 AMAQI
2nd Aug 20253610 AMAQI
2nd Aug 20254311 AMAQI
2nd Aug 20254112 PMAQI
2nd Aug 2025521 PMAQI
2nd Aug 2025592 PMAQI
2nd Aug 2025573 PMAQI
2nd Aug 2025544 PMAQI
2nd Aug 2025555 PMAQI
2nd Aug 2025586 PMAQI
2nd Aug 2025557 PMAQI
2nd Aug 2025408 PMAQI
2nd Aug 2025389 PMAQI
2nd Aug 20253810 PMAQI
2nd Aug 20254111 PMAQI
3rd Aug 20253312 AMAQI
3rd Aug 2025361 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025373 AMAQI
31°C27/36°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 20255310 AMAQI
3rd Aug 20255411 AMAQI
3rd Aug 20256112 PMAQI
3rd Aug 2025561 PMAQI
3rd Aug 2025572 PMAQI
3rd Aug 2025533 PMAQI
3rd Aug 2025504 PMAQI
3rd Aug 2025535 PMAQI
3rd Aug 2025556 PMAQI
3rd Aug 2025547 PMAQI
3rd Aug 2025548 PMAQI
3rd Aug 2025429 PMAQI
3rd Aug 20254410 PMAQI
3rd Aug 20253911 PMAQI
4th Aug 20253812 AMAQI
4th Aug 2025371 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025403 AMAQI
32°C28/37°C
4th Aug 2025434 AMAQI
4th Aug 2025435 AMAQI
4th Aug 2025436 AMAQI
4th Aug 2025447 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025629 AMAQI
4th Aug 20256710 AMAQI
4th Aug 20257911 AMAQI
4th Aug 20258212 PMAQI
4th Aug 2025901 PMAQI
4th Aug 2025982 PMAQI
4th Aug 2025923 PMAQI
4th Aug 2025894 PMAQI
4th Aug 2025945 PMAQI
4th Aug 2025876 PMAQI
4th Aug 2025747 PMAQI
4th Aug 2025668 PMAQI
4th Aug 2025589 PMAQI
4th Aug 20255410 PMAQI
4th Aug 20254811 PMAQI
5th Aug 20255412 AMAQI
5th Aug 2025441 AMAQI
5th Aug 2025412 AMAQI
5th Aug 2025403 AMAQI
32°C29/37°C
5th Aug 2025514 AMAQI
5th Aug 2025545 AMAQI
5th Aug 2025536 AMAQI
5th Aug 2025527 AMAQI
5th Aug 2025538 AMAQI
5th Aug 2025569 AMAQI
5th Aug 20256310 AMAQI
5th Aug 20256211 AMAQI
5th Aug 20255812 PMAQI
5th Aug 2025601 PMAQI
5th Aug 2025572 PMAQI
5th Aug 2025563 PMAQI
5th Aug 2025604 PMAQI
5th Aug 2025535 PMAQI
5th Aug 2025526 PMAQI
5th Aug 2025527 PMAQI
5th Aug 2025528 PMAQI
5th Aug 2025499 PMAQI
5th Aug 20254910 PMAQI
5th Aug 20254711 PMAQI
6th Aug 20254912 AMAQI
6th Aug 2025481 AMAQI
6th Aug 2025502 AMAQI
6th Aug 2025503 AMAQI
34°C29/39°C
6th Aug 2025524 AMAQI
4 AM6th Aug 2025535 AMAQI
6th Aug 2025526 AMAQI
6th Aug 2025527 AMAQI
6th Aug 2025528 AMAQI
6th Aug 2025429 AMAQI
6th Aug 20254610 AMAQI
11 AM
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
47AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
9 AM - 6 PM
44AQI
10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 8 AM (Avg. 47), while the lowest AQI was between 9 AM to 6 PM (Avg. 44).
Night time
Avg. Highest Time
2 AM - 3 AM
47AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
7 PM - 11 PM
42AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 3 AM (Avg. 47), while the lowest AQI was between 7 PM to 11 PM (Avg. 42).
2025 Days Vs Air Quality
Seijo, Kamirenjaku, Tokyo, Japan
2025
95%
206
5%
10
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Good
206 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 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
Seijo, Kamirenjaku, 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
30AQI
30AQI
2nd January 2025
27AQI
27AQI
3rd January 2025
27AQI
27AQI
4th January 2025
27AQI
27AQI
5th January 2025
24AQI
24AQI
6th January 2025
29AQI
29AQI
7th January 2025
27AQI
27AQI
8th January 2025
29AQI
29AQI
9th January 2025
26AQI
26AQI
10th January 2025
26AQI
26AQI
11th January 2025
25AQI
25AQI
12th January 2025
27AQI
27AQI
13th January 2025
29AQI
29AQI
14th January 2025
26AQI
26AQI
15th January 2025
29AQI
29AQI
16th January 2025
24AQI
24AQI
17th January 2025
29AQI
29AQI
18th January 2025
27AQI
27AQI
19th January 2025
30AQI
30AQI
20th January 2025
30AQI
30AQI
21st January 2025
33AQI
33AQI
22nd January 2025
34AQI
34AQI
23rd January 2025
31AQI
31AQI
24th January 2025
36AQI
36AQI
25th January 2025
33AQI
33AQI
26th January 2025
32AQI
32AQI
27th January 2025
24AQI
24AQI
28th January 2025
30AQI
30AQI
29th January 2025
27AQI
27AQI
30th January 2025
27AQI
27AQI
31st January 2025
28AQI
28AQI
1st February 2025
29AQI
29AQI
2nd February 2025
31AQI
31AQI
3rd February 2025
26AQI
26AQI
4th February 2025
32AQI
32AQI
5th February 2025
30AQI
30AQI
6th February 2025
29AQI
29AQI
7th February 2025
27AQI
27AQI
8th February 2025
30AQI
30AQI
9th February 2025
28AQI
28AQI
10th February 2025
28AQI
28AQI
11th February 2025
30AQI
30AQI
12th February 2025
27AQI
27AQI
13th February 2025
35AQI
35AQI
14th February 2025
28AQI
28AQI
15th February 2025
30AQI
30AQI
16th February 2025
32AQI
32AQI
17th February 2025
33AQI
33AQI
18th February 2025
31AQI
31AQI
19th February 2025
30AQI
30AQI
20th February 2025
29AQI
29AQI
21st February 2025
31AQI
31AQI
22nd February 2025
31AQI
31AQI
23rd February 2025
32AQI
32AQI
24th February 2025
32AQI
32AQI
25th February 2025
33AQI
33AQI
26th February 2025
30AQI
30AQI
27th February 2025
38AQI
38AQI
28th February 2025
40AQI
40AQI
1st March 2025
47AQI
47AQI
2nd March 2025
45AQI
45AQI
3rd March 2025
38AQI
38AQI
4th March 2025
32AQI
32AQI
5th March 2025
28AQI
28AQI
6th March 2025
32AQI
32AQI
7th March 2025
33AQI
33AQI
8th March 2025
32AQI
32AQI
9th March 2025
35AQI
35AQI
10th March 2025
33AQI
33AQI
11th March 2025
32AQI
32AQI
12th March 2025
34AQI
34AQI
13th March 2025
37AQI
37AQI
14th March 2025
29AQI
29AQI
15th March 2025
22AQI
22AQI
16th March 2025
20AQI
20AQI
17th March 2025
19AQI
19AQI
18th March 2025
18AQI
18AQI
19th March 2025
17AQI
17AQI
20th March 2025
20AQI
20AQI
21st March 2025
23AQI
23AQI
22nd March 2025
29AQI
29AQI
23rd March 2025
30AQI
30AQI
24th March 2025
31AQI
31AQI
25th March 2025
50AQI
50AQI
26th March 2025
59AQI
59AQI
27th March 2025
56AQI
56AQI
28th March 2025
38AQI
38AQI
29th March 2025
30AQI
30AQI
30th March 2025
36AQI
36AQI
31st March 2025
28AQI
28AQI
1st April 2025
24AQI
24AQI
2nd April 2025
21AQI
21AQI
3rd April 2025
18AQI
18AQI
4th April 2025
22AQI
22AQI
5th April 2025
18AQI
18AQI
6th April 2025
15AQI
15AQI
7th April 2025
16AQI
16AQI
8th April 2025
18AQI
18AQI
9th April 2025
17AQI
17AQI
10th April 2025
20AQI
20AQI
11th April 2025
22AQI
22AQI
12th April 2025
21AQI
21AQI
13th April 2025
19AQI
19AQI
14th April 2025
21AQI
21AQI
15th April 2025
20AQI
20AQI
16th April 2025
18AQI
18AQI
17th April 2025
23AQI
23AQI
18th April 2025
28AQI
28AQI
19th April 2025
30AQI
30AQI
20th April 2025
25AQI
25AQI
21st April 2025
23AQI
23AQI
22nd April 2025
21AQI
21AQI
23rd April 2025
16AQI
16AQI
24th April 2025
17AQI
17AQI
25th April 2025
19AQI
19AQI
26th April 2025
19AQI
19AQI
27th April 2025
20AQI
20AQI
28th April 2025
18AQI
18AQI
29th April 2025
15AQI
15AQI
30th April 2025
19AQI
19AQI
1st May 2025
18AQI
18AQI
2nd May 2025
17AQI
17AQI
3rd May 2025
17AQI
17AQI
4th May 2025
20AQI
20AQI
5th May 2025
17AQI
17AQI
6th May 2025
17AQI
17AQI
7th May 2025
15AQI
15AQI
8th May 2025
18AQI
18AQI
9th May 2025
17AQI
17AQI
10th May 2025
14AQI
14AQI
11th May 2025
16AQI
16AQI
12th May 2025
15AQI
15AQI
13th May 2025
18AQI
18AQI
14th May 2025
19AQI
19AQI
15th May 2025
19AQI
19AQI
16th May 2025
20AQI
20AQI
17th May 2025
18AQI
18AQI
18th May 2025
22AQI
22AQI
19th May 2025
22AQI
22AQI
20th May 2025
41AQI
41AQI
21st May 2025
34AQI
34AQI
22nd May 2025
29AQI
29AQI
23rd May 2025
26AQI
26AQI
24th May 2025
25AQI
25AQI
25th May 2025
18AQI
18AQI
26th May 2025
19AQI
19AQI
27th May 2025
17AQI
17AQI
28th May 2025
16AQI
16AQI
29th May 2025
18AQI
18AQI
30th May 2025
15AQI
15AQI
31st May 2025
13AQI
13AQI
1st June 2025
16AQI
16AQI
2nd June 2025
16AQI
16AQI
3rd June 2025
16AQI
16AQI
4th June 2025
16AQI
16AQI
5th June 2025
20AQI
20AQI
6th June 2025
22AQI
22AQI
7th June 2025
23AQI
23AQI
8th June 2025
27AQI
27AQI
9th June 2025
23AQI
23AQI
10th June 2025
20AQI
20AQI
11th June 2025
20AQI
20AQI
12th June 2025
22AQI
22AQI
13th June 2025
21AQI
21AQI
14th June 2025
19AQI
19AQI
15th June 2025
18AQI
18AQI
16th June 2025
19AQI
19AQI
17th June 2025
25AQI
25AQI
18th June 2025
23AQI
23AQI
19th June 2025
25AQI
25AQI
20th June 2025
23AQI
23AQI
21st June 2025
20AQI
20AQI
22nd June 2025
12AQI
12AQI
23rd June 2025
12AQI
12AQI
24th June 2025
13AQI
13AQI
25th June 2025
14AQI
14AQI
26th June 2025
14AQI
14AQI
27th June 2025
20AQI
20AQI
28th June 2025
17AQI
17AQI
29th June 2025
18AQI
18AQI
30th June 2025
31AQI
31AQI
1st July 2025
38AQI
38AQI
2nd July 2025
46AQI
46AQI
3rd July 2025
46AQI
46AQI
4th July 2025
46AQI
46AQI
5th July 2025
48AQI
48AQI
6th July 2025
62AQI
62AQI
7th July 2025
78AQI
78AQI
8th July 2025
79AQI
79AQI
9th July 2025
82AQI
82AQI
10th July 2025
55AQI
55AQI
11th July 2025
48AQI
48AQI
12th July 2025
53AQI
53AQI
13th July 2025
51AQI
51AQI
14th July 2025
40AQI
40AQI
15th July 2025
38AQI
38AQI
16th July 2025
37AQI
37AQI
17th July 2025
40AQI
40AQI
18th July 2025
34AQI
34AQI
19th July 2025
32AQI
32AQI
20th July 2025
33AQI
33AQI
21st July 2025
34AQI
34AQI
22nd July 2025
37AQI
37AQI
23rd July 2025
40AQI
40AQI
24th July 2025
42AQI
42AQI
25th July 2025
39AQI
39AQI
26th July 2025
37AQI
37AQI
27th July 2025
32AQI
32AQI
28th July 2025
39AQI
39AQI
29th July 2025
35AQI
35AQI
30th July 2025
33AQI
33AQI
31st July 2025
32AQI
32AQI
1st August 2025
34AQI
34AQI
2nd August 2025
43AQI
43AQI
3rd August 2025
46AQI
46AQI
4th August 2025
60AQI
60AQI
28AQI
31AQI
33AQI
20AQI
20AQI
20AQI
45AQI
46AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202528AQI
31
28
29
2
30
31
30
24
7
3
1
206
10
Highest AQI recorded in
August46AQI
Lowest AQI recorded in
June20AQI
202432AQI
31
29
31
28
2
30
1
26
4
26
5
31
28
2
31
30
31
352
14
Highest AQI recorded in
July40AQI
Lowest AQI recorded in
August24AQI
202332AQI
31
28
26
5
25
5
28
3
27
3
26
5
31
30
31
29
31
343
21
Highest AQI recorded in
April43AQI
Lowest AQI recorded in
August19AQI
202230AQI
31
21
1
31
27
2
30
1
28
2
20
1
1
28
31
29
1
30
1
307
9
Highest AQI recorded in
April36AQI
Lowest AQI recorded in
August21AQI
202123AQI
30
1
28
30
1
30
30
1
28
2
31
28
3
30
30
1
30
31
356
9
Highest AQI recorded in
June34AQI
Lowest AQI recorded in
February12AQI
202016AQI
13
21
18
30
31
31
19
31
29
1
31
254
1
Highest AQI recorded in
August24AQI
Lowest AQI recorded in
April12AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2024(Avg.)
32AQILeast Polluted Year Recorded
2020(Avg.)
16AQISeijo's annual 2025 AQI (28) shows an average percentage change of 16.1% (worsened AQI) compared to previous years: 2020 (16), 2021 (23), 2022 (30), 2023 (32), 2024 (32).
