Shimohoya, Honcho, 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
Shimohoya, Honcho, Tokyo, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
60AQILowest AQI recorded on
30th Aug 2024
9AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 38 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
Shimohoya, Honcho, 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
60AQI
Avg. Lowest Time
12AM3rd Aug
32AQI
In the last 24 hours,
Shimohoya's AQI reached its highest point of 60 at 3 PM during the Night, while the lowest point, 32, was recorded at 12 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Shimohoya, Honcho, 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 2025454 AMAQI
4th Jul 2025485 AMAQI
4th Jul 2025486 AMAQI
4th Jul 2025487 AMAQI
4th Jul 2025488 AMAQI
4th Jul 2025409 AMAQI
4th Jul 20254610 AMAQI
4th Jul 20255011 AMAQI
4th Jul 20255612 PMAQI
4th Jul 2025581 PMAQI
4th Jul 2025542 PMAQI
4th Jul 2025563 PMAQI
4th Jul 2025554 PMAQI
4th Jul 2025545 PMAQI
4th Jul 2025536 PMAQI
4th Jul 2025547 PMAQI
4th Jul 2025528 PMAQI
4th Jul 2025479 PMAQI
4th Jul 20254210 PMAQI
4th Jul 20254211 PMAQI
5th Jul 20254212 AMAQI
5th Jul 2025421 AMAQI
5th Jul 2025452 AMAQI
5th Jul 2025443 AMAQI
29°C26/32°C
5th Jul 2025444 AMAQI
5th Jul 2025465 AMAQI
5th Jul 2025476 AMAQI
5th Jul 2025487 AMAQI
5th Jul 2025478 AMAQI
5th Jul 2025449 AMAQI
5th Jul 20254710 AMAQI
5th Jul 20255211 AMAQI
5th Jul 20255412 PMAQI
5th Jul 2025541 PMAQI
5th Jul 2025552 PMAQI
5th Jul 2025563 PMAQI
5th Jul 2025584 PMAQI
5th Jul 2025605 PMAQI
5th Jul 2025656 PMAQI
5th Jul 2025727 PMAQI
5th Jul 2025668 PMAQI
5th Jul 2025569 PMAQI
5th Jul 20255410 PMAQI
5th Jul 20254811 PMAQI
6th Jul 20254612 AMAQI
6th Jul 2025461 AMAQI
6th Jul 2025442 AMAQI
6th Jul 2025433 AMAQI
30°C27/34°C
6th Jul 2025444 AMAQI
6th Jul 2025455 AMAQI
6th Jul 2025466 AMAQI
6th Jul 2025487 AMAQI
6th Jul 2025478 AMAQI
6th Jul 2025549 AMAQI
6th Jul 20256310 AMAQI
6th Jul 20256911 AMAQI
6th Jul 20257012 PMAQI
6th Jul 2025651 PMAQI
6th Jul 2025672 PMAQI
6th Jul 2025643 PMAQI
6th Jul 2025664 PMAQI
6th Jul 2025685 PMAQI
6th Jul 2025796 PMAQI
6th Jul 2025917 PMAQI
6th Jul 2025848 PMAQI
6th Jul 2025689 PMAQI
6th Jul 20257010 PMAQI
6th Jul 20257011 PMAQI
7th Jul 20256612 AMAQI
7th Jul 2025591 AMAQI
7th Jul 2025472 AMAQI
7th Jul 2025473 AMAQI
31°C28/36°C
7th Jul 2025504 AMAQI
7th Jul 2025525 AMAQI
7th Jul 2025526 AMAQI
7th Jul 2025527 AMAQI
7th Jul 2025528 AMAQI
7th Jul 2025949 AMAQI
7th Jul 202510610 AMAQI
7th Jul 202510111 AMAQI
7th Jul 20259912 PMAQI
7th Jul 2025941 PMAQI
7th Jul 2025942 PMAQI
7th Jul 2025913 PMAQI
7th Jul 2025904 PMAQI
7th Jul 2025905 PMAQI
7th Jul 2025946 PMAQI
7th Jul 20251077 PMAQI
7th Jul 20251008 PMAQI
7th Jul 2025779 PMAQI
7th Jul 20257710 PMAQI
7th Jul 20257711 PMAQI
8th Jul 20257812 AMAQI
8th Jul 2025681 AMAQI
8th Jul 2025552 AMAQI
8th Jul 2025543 AMAQI
31°C28/35°C
8th Jul 2025584 AMAQI
8th Jul 2025625 AMAQI
8th Jul 2025626 AMAQI
8th Jul 2025627 AMAQI
8th Jul 2025638 AMAQI
8th Jul 20251079 AMAQI
8th Jul 202511710 AMAQI
8th Jul 202510811 AMAQI
8th Jul 202510012 PMAQI
8th Jul 2025921 PMAQI
8th Jul 2025862 PMAQI
8th Jul 2025823 PMAQI
8th Jul 2025804 PMAQI
8th Jul 2025825 PMAQI
8th Jul 2025836 PMAQI
8th Jul 2025847 PMAQI
8th Jul 2025848 PMAQI
8th Jul 2025769 PMAQI
8th Jul 20257910 PMAQI
8th Jul 20258011 PMAQI
9th Jul 20257912 AMAQI
9th Jul 2025731 AMAQI
9th Jul 2025642 AMAQI
9th Jul 2025643 AMAQI
30°C28/35°C
9th Jul 2025664 AMAQI
9th Jul 2025715 AMAQI
9th Jul 2025716 AMAQI
9th Jul 2025717 AMAQI
9th Jul 2025718 AMAQI
9th Jul 2025989 AMAQI
9th Jul 202510610 AMAQI
9th Jul 202510811 AMAQI
9th Jul 202511212 PMAQI
9th Jul 20251171 PMAQI
9th Jul 20251062 PMAQI
9th Jul 20251033 PMAQI
9th Jul 20251004 PMAQI
9th Jul 2025975 PMAQI
9th Jul 2025906 PMAQI
9th Jul 2025767 PMAQI
9th Jul 2025648 PMAQI
9th Jul 2025649 PMAQI
9th Jul 20256410 PMAQI
9th Jul 20256211 PMAQI
10th Jul 20256012 AMAQI
10th Jul 2025651 AMAQI
10th Jul 2025702 AMAQI
10th Jul 2025703 AMAQI
30°C28/35°C
10th Jul 2025734 AMAQI
10th Jul 2025775 AMAQI
10th Jul 2025776 AMAQI
10th Jul 2025787 AMAQI
10th Jul 2025778 AMAQI
10th Jul 2025689 AMAQI
10th Jul 20256810 AMAQI
10th Jul 20257311 AMAQI
10th Jul 20258412 PMAQI
10th Jul 2025821 PMAQI
10th Jul 2025552 PMAQI
10th Jul 2025433 PMAQI
10th Jul 2025414 PMAQI
10th Jul 2025345 PMAQI
10th Jul 2025286 PMAQI
10th Jul 2025367 PMAQI
10th Jul 2025478 PMAQI
10th Jul 2025599 PMAQI
10th Jul 20255810 PMAQI
10th Jul 20255811 PMAQI
11th Jul 20255712 AMAQI
11th Jul 2025631 AMAQI
11th Jul 2025702 AMAQI
11th Jul 2025703 AMAQI
30°C24/35°C
11th Jul 2025704 AMAQI
11th Jul 2025705 AMAQI
11th Jul 2025706 AMAQI
11th Jul 2025707 AMAQI
11th Jul 2025698 AMAQI
11th Jul 2025359 AMAQI
11th Jul 20252510 AMAQI
11th Jul 20252511 AMAQI
11th Jul 20252812 PMAQI
11th Jul 2025341 PMAQI
11th Jul 2025342 PMAQI
11th Jul 2025313 PMAQI
11th Jul 2025324 PMAQI
11th Jul 2025335 PMAQI
11th Jul 2025306 PMAQI
11th Jul 2025307 PMAQI
11th Jul 2025418 PMAQI
11th Jul 2025569 PMAQI
11th Jul 20255610 PMAQI
11th Jul 20255711 PMAQI
12th Jul 20255612 AMAQI
12th Jul 2025601 AMAQI
12th Jul 2025662 AMAQI
12th Jul 2025673 AMAQI
24°C23/26°C
12th Jul 2025654 AMAQI
12th Jul 2025625 AMAQI
12th Jul 2025616 AMAQI
12th Jul 2025627 AMAQI
12th Jul 2025628 AMAQI
12th Jul 2025419 AMAQI
12th Jul 20253610 AMAQI
12th Jul 20253611 AMAQI
12th Jul 20254012 PMAQI
12th Jul 2025481 PMAQI
12th Jul 2025502 PMAQI
12th Jul 2025523 PMAQI
12th Jul 2025524 PMAQI
12th Jul 2025525 PMAQI
12th Jul 2025496 PMAQI
12th Jul 2025457 PMAQI
12th Jul 2025488 PMAQI
12th Jul 2025559 PMAQI
12th Jul 20255510 PMAQI
12th Jul 20255511 PMAQI
13th Jul 20255512 AMAQI
13th Jul 2025581 AMAQI
13th Jul 2025622 AMAQI
13th Jul 2025623 AMAQI
25°C22/29°C
13th Jul 2025614 AMAQI
13th Jul 2025585 AMAQI
13th Jul 2025596 AMAQI
13th Jul 2025597 AMAQI
13th Jul 2025598 AMAQI
13th Jul 2025479 AMAQI
13th Jul 20254010 AMAQI
13th Jul 20254711 AMAQI
13th Jul 20255212 PMAQI
13th Jul 2025521 PMAQI
13th Jul 2025522 PMAQI
13th Jul 2025513 PMAQI
13th Jul 2025504 PMAQI
13th Jul 2025485 PMAQI
13th Jul 2025436 PMAQI
13th Jul 2025407 PMAQI
13th Jul 2025468 PMAQI
13th Jul 2025539 PMAQI
13th Jul 20255110 PMAQI
13th Jul 20255011 PMAQI
14th Jul 20255212 AMAQI
14th Jul 2025541 AMAQI
14th Jul 2025592 AMAQI
14th Jul 2025583 AMAQI
27°C24/31°C
14th Jul 2025584 AMAQI
14th Jul 2025575 AMAQI
14th Jul 2025576 AMAQI
14th Jul 2025577 AMAQI
14th Jul 2025578 AMAQI
14th Jul 2025309 AMAQI
14th Jul 20252410 AMAQI
14th Jul 20252411 AMAQI
14th Jul 20252212 PMAQI
14th Jul 2025251 PMAQI
14th Jul 2025282 PMAQI
14th Jul 2025223 PMAQI
14th Jul 2025244 PMAQI
14th Jul 2025275 PMAQI
14th Jul 2025286 PMAQI
14th Jul 2025287 PMAQI
14th Jul 2025338 PMAQI
14th Jul 2025469 PMAQI
14th Jul 20254510 PMAQI
14th Jul 20254511 PMAQI
15th Jul 20254712 AMAQI
15th Jul 2025511 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025563 AMAQI
27°C25/30°C
15th Jul 2025554 AMAQI
15th Jul 2025545 AMAQI
15th Jul 2025546 AMAQI
15th Jul 2025547 AMAQI
15th Jul 2025548 AMAQI
15th Jul 2025329 AMAQI
15th Jul 20252310 AMAQI
15th Jul 20252511 AMAQI
15th Jul 20252412 PMAQI
15th Jul 2025271 PMAQI
15th Jul 2025302 PMAQI
15th Jul 2025283 PMAQI
15th Jul 2025274 PMAQI
15th Jul 2025205 PMAQI
15th Jul 2025226 PMAQI
15th Jul 2025247 PMAQI
15th Jul 2025308 PMAQI
15th Jul 2025429 PMAQI
15th Jul 20254210 PMAQI
15th Jul 20254411 PMAQI
16th Jul 20254512 AMAQI
16th Jul 2025471 AMAQI
16th Jul 2025532 AMAQI
16th Jul 2025533 AMAQI
28°C26/31°C
16th Jul 2025524 AMAQI
16th Jul 2025515 AMAQI
16th Jul 2025516 AMAQI
16th Jul 2025517 AMAQI
16th Jul 2025528 AMAQI
16th Jul 2025539 AMAQI
16th Jul 20254510 AMAQI
16th Jul 20253611 AMAQI
16th Jul 20253112 PMAQI
16th Jul 2025241 PMAQI
16th Jul 2025202 PMAQI
16th Jul 2025223 PMAQI
16th Jul 2025244 PMAQI
16th Jul 2025265 PMAQI
16th Jul 2025216 PMAQI
16th Jul 2025187 PMAQI
16th Jul 2025268 PMAQI
16th Jul 2025389 PMAQI
16th Jul 20253810 PMAQI
16th Jul 20253911 PMAQI
17th Jul 20253812 AMAQI
17th Jul 2025401 AMAQI
17th Jul 2025512 AMAQI
17th Jul 2025513 AMAQI
28°C26/31°C
17th Jul 2025504 AMAQI
17th Jul 2025485 AMAQI
17th Jul 2025486 AMAQI
17th Jul 2025487 AMAQI
17th Jul 2025488 AMAQI
17th Jul 2025309 AMAQI
17th Jul 20252910 AMAQI
17th Jul 20253311 AMAQI
17th Jul 20253412 PMAQI
17th Jul 2025341 PMAQI
17th Jul 2025292 PMAQI
17th Jul 2025293 PMAQI
17th Jul 2025264 PMAQI
17th Jul 2025325 PMAQI
17th Jul 2025346 PMAQI
17th Jul 2025327 PMAQI
17th Jul 2025358 PMAQI
17th Jul 2025409 PMAQI
17th Jul 20254210 PMAQI
17th Jul 20254011 PMAQI
18th Jul 20254012 AMAQI
18th Jul 2025431 AMAQI
18th Jul 2025482 AMAQI
18th Jul 2025483 AMAQI
29°C26/32°C
18th Jul 2025464 AMAQI
18th Jul 2025465 AMAQI
18th Jul 2025446 AMAQI
18th Jul 2025447 AMAQI
18th Jul 2025448 AMAQI
18th Jul 2025349 AMAQI
18th Jul 20253210 AMAQI
18th Jul 20253111 AMAQI
18th Jul 20252612 PMAQI
18th Jul 2025291 PMAQI
18th Jul 2025252 PMAQI
18th Jul 2025263 PMAQI
18th Jul 2025204 PMAQI
18th Jul 2025205 PMAQI
18th Jul 2025196 PMAQI
18th Jul 2025227 PMAQI
18th Jul 2025288 PMAQI
18th Jul 2025359 PMAQI
18th Jul 20253610 PMAQI
18th Jul 20253811 PMAQI
19th Jul 20253612 AMAQI
19th Jul 2025411 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025463 AMAQI
28°C25/32°C
19th Jul 2025444 AMAQI
19th Jul 2025435 AMAQI
19th Jul 2025436 AMAQI
19th Jul 2025427 AMAQI
19th Jul 2025428 AMAQI
19th Jul 2025299 AMAQI
19th Jul 20252110 AMAQI
19th Jul 20252311 AMAQI
19th Jul 20252212 PMAQI
19th Jul 2025211 PMAQI
19th Jul 2025222 PMAQI
19th Jul 2025253 PMAQI
19th Jul 2025244 PMAQI
19th Jul 2025225 PMAQI
19th Jul 2025246 PMAQI
19th Jul 2025247 PMAQI
19th Jul 2025288 PMAQI
19th Jul 2025349 PMAQI
19th Jul 20253310 PMAQI
19th Jul 20253411 PMAQI
20th Jul 20253412 AMAQI
20th Jul 2025341 AMAQI
20th Jul 2025432 AMAQI
20th Jul 2025433 AMAQI
29°C26/33°C
20th Jul 2025424 AMAQI
20th Jul 2025405 AMAQI
20th Jul 2025396 AMAQI
20th Jul 2025397 AMAQI
20th Jul 2025408 AMAQI
20th Jul 2025349 AMAQI
20th Jul 20252810 AMAQI
20th Jul 20252811 AMAQI
20th Jul 20253012 PMAQI
20th Jul 2025321 PMAQI
20th Jul 2025292 PMAQI
20th Jul 2025303 PMAQI
20th Jul 2025254 PMAQI
20th Jul 2025205 PMAQI
20th Jul 2025206 PMAQI
20th Jul 2025287 PMAQI
20th Jul 2025328 PMAQI
20th Jul 2025339 PMAQI
20th Jul 20253210 PMAQI
20th Jul 20253311 PMAQI
21st Jul 20253212 AMAQI
21st Jul 2025341 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025403 AMAQI
30°C27/34°C
21st Jul 2025384 AMAQI
21st Jul 2025375 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025377 AMAQI
21st Jul 2025378 AMAQI
21st Jul 2025349 AMAQI
21st Jul 20253510 AMAQI
21st Jul 20254711 AMAQI
21st Jul 20255412 PMAQI
21st Jul 2025541 PMAQI
21st Jul 2025542 PMAQI
21st Jul 2025463 PMAQI
21st Jul 2025364 PMAQI
21st Jul 2025305 PMAQI
21st Jul 2025306 PMAQI
21st Jul 2025307 PMAQI
21st Jul 2025308 PMAQI
21st Jul 2025309 PMAQI
21st Jul 20253210 PMAQI
21st Jul 20253011 PMAQI
22nd Jul 20252912 AMAQI
22nd Jul 2025341 AMAQI
22nd Jul 2025372 AMAQI
22nd Jul 2025373 AMAQI
31°C28/36°C
22nd Jul 2025384 AMAQI
22nd Jul 2025395 AMAQI
22nd Jul 2025396 AMAQI
22nd Jul 2025397 AMAQI
22nd Jul 2025398 AMAQI
22nd Jul 2025359 AMAQI
22nd Jul 20254010 AMAQI
22nd Jul 20254811 AMAQI
22nd Jul 20255212 PMAQI
22nd Jul 2025551 PMAQI
22nd Jul 2025552 PMAQI
22nd Jul 2025523 PMAQI
22nd Jul 2025474 PMAQI
22nd Jul 2025385 PMAQI
22nd Jul 2025366 PMAQI
22nd Jul 2025307 PMAQI
22nd Jul 2025288 PMAQI
22nd Jul 2025319 PMAQI
22nd Jul 20253110 PMAQI
22nd Jul 20253111 PMAQI
23rd Jul 20253012 AMAQI
23rd Jul 2025341 AMAQI
23rd Jul 2025372 AMAQI
23rd Jul 2025373 AMAQI
31°C28/36°C
23rd Jul 2025384 AMAQI
23rd Jul 2025395 AMAQI
23rd Jul 2025396 AMAQI
23rd Jul 2025397 AMAQI
23rd Jul 2025398 AMAQI
23rd Jul 2025469 AMAQI
23rd Jul 20255910 AMAQI
23rd Jul 20256311 AMAQI
23rd Jul 20256512 PMAQI
23rd Jul 2025641 PMAQI
23rd Jul 2025622 PMAQI
23rd Jul 2025593 PMAQI
23rd Jul 2025534 PMAQI
23rd Jul 2025505 PMAQI
23rd Jul 2025486 PMAQI
23rd Jul 2025437 PMAQI
23rd Jul 2025338 PMAQI
23rd Jul 2025309 PMAQI
23rd Jul 20253110 PMAQI
23rd Jul 20253011 PMAQI
24th Jul 20253012 AMAQI
24th Jul 2025331 AMAQI
24th Jul 2025382 AMAQI
24th Jul 2025383 AMAQI
31°C29/36°C
24th Jul 2025404 AMAQI
24th Jul 2025445 AMAQI
24th Jul 2025436 AMAQI
24th Jul 2025437 AMAQI
24th Jul 2025448 AMAQI
24th Jul 2025519 AMAQI
24th Jul 20256010 AMAQI
24th Jul 20256411 AMAQI
24th Jul 20256412 PMAQI
24th Jul 2025641 PMAQI
24th Jul 2025622 PMAQI
24th Jul 2025623 PMAQI
24th Jul 2025574 PMAQI
24th Jul 2025505 PMAQI
24th Jul 2025386 PMAQI
24th Jul 2025347 PMAQI
24th Jul 2025318 PMAQI
24th Jul 2025349 PMAQI
24th Jul 20253710 PMAQI
24th Jul 20253611 PMAQI
25th Jul 20253512 AMAQI
25th Jul 2025361 AMAQI
25th Jul 2025382 AMAQI
25th Jul 2025383 AMAQI
32°C29/36°C
25th Jul 2025424 AMAQI
25th Jul 2025445 AMAQI
25th Jul 2025456 AMAQI
25th Jul 2025457 AMAQI
25th Jul 2025448 AMAQI
25th Jul 2025539 AMAQI
25th Jul 20255610 AMAQI
25th Jul 20256011 AMAQI
25th Jul 20256512 PMAQI
25th Jul 2025631 PMAQI
25th Jul 2025562 PMAQI
25th Jul 2025433 PMAQI
25th Jul 2025394 PMAQI
25th Jul 2025325 PMAQI
25th Jul 2025296 PMAQI
25th Jul 2025267 PMAQI
25th Jul 2025298 PMAQI
25th Jul 2025339 PMAQI
25th Jul 20253410 PMAQI
25th Jul 20253311 PMAQI
26th Jul 20253212 AMAQI
26th Jul 2025341 AMAQI
26th Jul 2025402 AMAQI
26th Jul 2025403 AMAQI
32°C29/36°C
26th Jul 2025424 AMAQI
26th Jul 2025455 AMAQI
26th Jul 2025446 AMAQI
26th Jul 2025447 AMAQI
26th Jul 2025468 AMAQI
26th Jul 2025529 AMAQI
26th Jul 20255710 AMAQI
26th Jul 20255811 AMAQI
26th Jul 20256212 PMAQI
26th Jul 2025591 PMAQI
26th Jul 2025542 PMAQI
26th Jul 2025383 PMAQI
26th Jul 2025324 PMAQI
26th Jul 2025245 PMAQI
26th Jul 2025226 PMAQI
26th Jul 2025227 PMAQI
26th Jul 2025278 PMAQI
26th Jul 2025329 PMAQI
26th Jul 20253110 PMAQI
26th Jul 20253011 PMAQI
27th Jul 20252912 AMAQI
27th Jul 2025361 AMAQI
27th Jul 2025382 AMAQI
27th Jul 2025393 AMAQI
32°C29/37°C
27th Jul 2025414 AMAQI
27th Jul 2025445 AMAQI
27th Jul 2025436 AMAQI
27th Jul 2025447 AMAQI
27th Jul 2025438 AMAQI
27th Jul 2025459 AMAQI
27th Jul 20254810 AMAQI
27th Jul 20255411 AMAQI
27th Jul 20255212 PMAQI
27th Jul 2025471 PMAQI
27th Jul 2025472 PMAQI
27th Jul 2025413 PMAQI
27th Jul 2025324 PMAQI
27th Jul 2025275 PMAQI
27th Jul 2025226 PMAQI
27th Jul 2025217 PMAQI
27th Jul 2025238 PMAQI
27th Jul 2025299 PMAQI
27th Jul 20253310 PMAQI
27th Jul 20253611 PMAQI
28th Jul 20252912 AMAQI
28th Jul 2025331 AMAQI
28th Jul 2025382 AMAQI
28th Jul 2025393 AMAQI
32°C29/36°C
28th Jul 2025394 AMAQI
28th Jul 2025405 AMAQI
28th Jul 2025416 AMAQI
28th Jul 2025417 AMAQI
28th Jul 2025418 AMAQI
28th Jul 2025339 AMAQI
28th Jul 20253610 AMAQI
28th Jul 20253811 AMAQI
28th Jul 20254812 PMAQI
28th Jul 2025541 PMAQI
28th Jul 2025562 PMAQI
28th Jul 2025543 PMAQI
28th Jul 2025564 PMAQI
28th Jul 2025575 PMAQI
28th Jul 2025526 PMAQI
28th Jul 2025387 PMAQI
28th Jul 2025328 PMAQI
28th Jul 2025339 PMAQI
28th Jul 20253310 PMAQI
28th Jul 20253411 PMAQI
29th Jul 20253412 AMAQI
29th Jul 2025331 AMAQI
29th Jul 2025382 AMAQI
29th Jul 2025363 AMAQI
32°C29/37°C
29th Jul 2025384 AMAQI
29th Jul 2025405 AMAQI
29th Jul 2025406 AMAQI
29th Jul 2025407 AMAQI
29th Jul 2025398 AMAQI
29th Jul 2025419 AMAQI
29th Jul 20254710 AMAQI
29th Jul 20255511 AMAQI
29th Jul 20256112 PMAQI
29th Jul 2025541 PMAQI
29th Jul 2025532 PMAQI
29th Jul 2025503 PMAQI
29th Jul 2025484 PMAQI
29th Jul 2025445 PMAQI
29th Jul 2025366 PMAQI
29th Jul 2025327 PMAQI
29th Jul 2025308 PMAQI
29th Jul 2025299 PMAQI
29th Jul 20252810 PMAQI
29th Jul 20252911 PMAQI
30th Jul 20253012 AMAQI
30th Jul 2025341 AMAQI
30th Jul 2025362 AMAQI
30th Jul 2025373 AMAQI
32°C28/38°C
30th Jul 2025394 AMAQI
30th Jul 2025415 AMAQI
30th Jul 2025406 AMAQI
30th Jul 2025417 AMAQI
30th Jul 2025418 AMAQI
30th Jul 2025229 AMAQI
30th Jul 20251810 AMAQI
30th Jul 20252211 AMAQI
30th Jul 20253112 PMAQI
30th Jul 2025311 PMAQI
30th Jul 2025322 PMAQI
30th Jul 2025353 PMAQI
30th Jul 2025334 PMAQI
30th Jul 2025265 PMAQI
30th Jul 2025206 PMAQI
30th Jul 2025257 PMAQI
30th Jul 2025308 PMAQI
30th Jul 2025349 PMAQI
30th Jul 20253310 PMAQI
30th Jul 20253311 PMAQI
31st Jul 20253412 AMAQI
31st Jul 2025351 AMAQI
31st Jul 2025362 AMAQI
31st Jul 2025373 AMAQI
31°C28/36°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 20254211 AMAQI
31st Jul 20254312 PMAQI
31st Jul 2025441 PMAQI
31st Jul 2025422 PMAQI
31st Jul 2025383 PMAQI
31st Jul 2025324 PMAQI
31st Jul 2025275 PMAQI
31st Jul 2025226 PMAQI
31st Jul 2025237 PMAQI
31st Jul 2025278 PMAQI
31st Jul 2025299 PMAQI
31st Jul 20253010 PMAQI
31st Jul 20252811 PMAQI
1st Aug 20252712 AMAQI
1st Aug 2025341 AMAQI
1st Aug 2025342 AMAQI
1st Aug 2025343 AMAQI
29°C26/34°C
1st Aug 2025354 AMAQI
1st Aug 2025345 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025347 AMAQI
1st Aug 2025368 AMAQI
1st Aug 2025409 AMAQI
1st Aug 20252610 AMAQI
1st Aug 20254411 AMAQI
1st Aug 20254212 PMAQI
1st Aug 2025421 PMAQI
1st Aug 2025402 PMAQI
1st Aug 2025353 PMAQI
1st Aug 2025454 PMAQI
1st Aug 2025405 PMAQI
1st Aug 2025416 PMAQI
1st Aug 2025267 PMAQI
1st Aug 2025308 PMAQI
1st Aug 2025299 PMAQI
1st Aug 20253110 PMAQI
1st Aug 20253011 PMAQI
2nd Aug 20252912 AMAQI
2nd Aug 2025311 AMAQI
2nd Aug 2025362 AMAQI
2nd Aug 2025373 AMAQI
28°C27/32°C
2nd Aug 2025374 AMAQI
2nd Aug 2025375 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025367 AMAQI
2nd Aug 2025398 AMAQI
2nd Aug 2025389 AMAQI
2nd Aug 20253610 AMAQI
2nd Aug 20254311 AMAQI
2nd Aug 20253612 PMAQI
2nd Aug 2025461 PMAQI
2nd Aug 2025582 PMAQI
2nd Aug 2025603 PMAQI
2nd Aug 2025554 PMAQI
2nd Aug 2025555 PMAQI
2nd Aug 2025586 PMAQI
2nd Aug 2025567 PMAQI
2nd Aug 2025428 PMAQI
2nd Aug 2025399 PMAQI
2nd Aug 20253610 PMAQI
2nd Aug 20254311 PMAQI
3rd Aug 20253212 AMAQI
3rd Aug 2025351 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025373 AMAQI
--°C/°C
3rd Aug 2025404 AMAQI
4 AM3rd Aug 2025405 AMAQI
3rd Aug 2025386 AMAQI
3rd Aug 2025387 AMAQI
11 AM
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
11 AM - 2 PM
51AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
3 PM - 6 PM
44AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 2 PM (Avg. 51), while the lowest AQI was between 3 PM 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
Shimohoya, Honcho, Tokyo, Japan
2025
95%
204
5%
10
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Good
204 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
Shimohoya, Honcho, 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
23AQI
23AQI
4th January 2025
25AQI
25AQI
5th January 2025
24AQI
24AQI
6th January 2025
29AQI
29AQI
7th January 2025
23AQI
23AQI
8th January 2025
26AQI
26AQI
9th January 2025
23AQI
23AQI
10th January 2025
24AQI
24AQI
11th January 2025
21AQI
21AQI
12th January 2025
26AQI
26AQI
13th January 2025
26AQI
26AQI
14th January 2025
25AQI
25AQI
15th January 2025
27AQI
27AQI
16th January 2025
23AQI
23AQI
17th January 2025
26AQI
26AQI
18th January 2025
25AQI
25AQI
19th January 2025
27AQI
27AQI
20th January 2025
27AQI
27AQI
21st January 2025
28AQI
28AQI
22nd January 2025
29AQI
29AQI
23rd January 2025
30AQI
30AQI
24th January 2025
33AQI
33AQI
25th January 2025
29AQI
29AQI
26th January 2025
31AQI
31AQI
27th January 2025
23AQI
23AQI
28th January 2025
30AQI
30AQI
29th January 2025
24AQI
24AQI
30th January 2025
27AQI
27AQI
31st January 2025
25AQI
25AQI
1st February 2025
27AQI
27AQI
2nd February 2025
27AQI
27AQI
3rd February 2025
25AQI
25AQI
4th February 2025
30AQI
30AQI
5th February 2025
27AQI
27AQI
6th February 2025
26AQI
26AQI
7th February 2025
24AQI
24AQI
8th February 2025
26AQI
26AQI
9th February 2025
25AQI
25AQI
10th February 2025
25AQI
25AQI
11th February 2025
25AQI
25AQI
12th February 2025
26AQI
26AQI
13th February 2025
36AQI
36AQI
14th February 2025
26AQI
26AQI
15th February 2025
33AQI
33AQI
16th February 2025
29AQI
29AQI
17th February 2025
32AQI
32AQI
18th February 2025
29AQI
29AQI
19th February 2025
27AQI
27AQI
20th February 2025
27AQI
27AQI
21st February 2025
28AQI
28AQI
22nd February 2025
25AQI
25AQI
23rd February 2025
30AQI
30AQI
24th February 2025
26AQI
26AQI
25th February 2025
32AQI
32AQI
26th February 2025
31AQI
31AQI
27th February 2025
36AQI
36AQI
28th February 2025
40AQI
40AQI
1st March 2025
41AQI
41AQI
2nd March 2025
42AQI
42AQI
3rd March 2025
33AQI
33AQI
4th March 2025
30AQI
30AQI
5th March 2025
26AQI
26AQI
6th March 2025
30AQI
30AQI
7th March 2025
30AQI
30AQI
8th March 2025
31AQI
31AQI
9th March 2025
34AQI
34AQI
10th March 2025
31AQI
31AQI
11th March 2025
33AQI
33AQI
12th March 2025
32AQI
32AQI
13th March 2025
36AQI
36AQI
14th March 2025
23AQI
23AQI
15th March 2025
22AQI
22AQI
16th March 2025
16AQI
16AQI
17th March 2025
16AQI
16AQI
18th March 2025
15AQI
15AQI
19th March 2025
14AQI
14AQI
20th March 2025
15AQI
15AQI
21st March 2025
21AQI
21AQI
22nd March 2025
24AQI
24AQI
23rd March 2025
26AQI
26AQI
24th March 2025
27AQI
27AQI
25th March 2025
50AQI
50AQI
26th March 2025
60AQI
60AQI
27th March 2025
58AQI
58AQI
28th March 2025
39AQI
39AQI
29th March 2025
31AQI
31AQI
30th March 2025
34AQI
34AQI
31st March 2025
28AQI
28AQI
1st April 2025
24AQI
24AQI
2nd April 2025
20AQI
20AQI
3rd April 2025
18AQI
18AQI
4th April 2025
18AQI
18AQI
5th April 2025
17AQI
17AQI
6th April 2025
14AQI
14AQI
7th April 2025
14AQI
14AQI
8th April 2025
17AQI
17AQI
9th April 2025
16AQI
16AQI
10th April 2025
23AQI
23AQI
11th April 2025
21AQI
21AQI
12th April 2025
21AQI
21AQI
13th April 2025
18AQI
18AQI
14th April 2025
22AQI
22AQI
15th April 2025
19AQI
19AQI
16th April 2025
18AQI
18AQI
17th April 2025
25AQI
25AQI
18th April 2025
29AQI
29AQI
19th April 2025
34AQI
34AQI
20th April 2025
27AQI
27AQI
21st April 2025
24AQI
24AQI
22nd April 2025
26AQI
26AQI
23rd April 2025
16AQI
16AQI
24th April 2025
18AQI
18AQI
25th April 2025
21AQI
21AQI
26th April 2025
20AQI
20AQI
27th April 2025
21AQI
21AQI
28th April 2025
23AQI
23AQI
29th April 2025
14AQI
14AQI
30th April 2025
20AQI
20AQI
1st May 2025
20AQI
20AQI
2nd May 2025
16AQI
16AQI
3rd May 2025
17AQI
17AQI
4th May 2025
22AQI
22AQI
5th May 2025
18AQI
18AQI
6th May 2025
18AQI
18AQI
7th May 2025
17AQI
17AQI
8th May 2025
17AQI
17AQI
9th May 2025
17AQI
17AQI
10th May 2025
15AQI
15AQI
11th May 2025
16AQI
16AQI
12th May 2025
15AQI
15AQI
13th May 2025
18AQI
18AQI
14th May 2025
20AQI
20AQI
15th May 2025
20AQI
20AQI
16th May 2025
21AQI
21AQI
17th May 2025
17AQI
17AQI
18th May 2025
23AQI
23AQI
19th May 2025
23AQI
23AQI
20th May 2025
40AQI
40AQI
21st May 2025
35AQI
35AQI
22nd May 2025
28AQI
28AQI
23rd May 2025
26AQI
26AQI
24th May 2025
25AQI
25AQI
25th May 2025
19AQI
19AQI
26th May 2025
20AQI
20AQI
27th May 2025
19AQI
19AQI
28th May 2025
19AQI
19AQI
29th May 2025
19AQI
19AQI
30th May 2025
16AQI
16AQI
31st May 2025
13AQI
13AQI
1st June 2025
15AQI
15AQI
2nd June 2025
17AQI
17AQI
3rd June 2025
18AQI
18AQI
4th June 2025
16AQI
16AQI
5th June 2025
23AQI
23AQI
6th June 2025
25AQI
25AQI
7th June 2025
28AQI
28AQI
8th June 2025
30AQI
30AQI
9th June 2025
26AQI
26AQI
10th June 2025
23AQI
23AQI
11th June 2025
20AQI
20AQI
12th June 2025
24AQI
24AQI
13th June 2025
26AQI
26AQI
14th June 2025
21AQI
21AQI
15th June 2025
20AQI
20AQI
16th June 2025
24AQI
24AQI
17th June 2025
30AQI
30AQI
18th June 2025
25AQI
25AQI
19th June 2025
27AQI
27AQI
20th June 2025
25AQI
25AQI
21st June 2025
20AQI
20AQI
22nd June 2025
12AQI
12AQI
23rd June 2025
14AQI
14AQI
24th June 2025
14AQI
14AQI
25th June 2025
15AQI
15AQI
26th June 2025
15AQI
15AQI
27th June 2025
21AQI
21AQI
28th June 2025
19AQI
19AQI
29th June 2025
23AQI
23AQI
30th June 2025
37AQI
37AQI
1st July 2025
40AQI
40AQI
2nd July 2025
46AQI
46AQI
3rd July 2025
46AQI
46AQI
4th July 2025
48AQI
48AQI
5th July 2025
52AQI
52AQI
6th July 2025
61AQI
61AQI
7th July 2025
77AQI
77AQI
8th July 2025
78AQI
78AQI
9th July 2025
81AQI
81AQI
10th July 2025
61AQI
61AQI
11th July 2025
49AQI
49AQI
12th July 2025
54AQI
54AQI
13th July 2025
52AQI
52AQI
14th July 2025
41AQI
41AQI
15th July 2025
39AQI
39AQI
16th July 2025
38AQI
38AQI
17th July 2025
39AQI
39AQI
18th July 2025
35AQI
35AQI
19th July 2025
33AQI
33AQI
20th July 2025
33AQI
33AQI
21st July 2025
37AQI
37AQI
22nd July 2025
38AQI
38AQI
23rd July 2025
43AQI
43AQI
24th July 2025
44AQI
44AQI
25th July 2025
41AQI
41AQI
26th July 2025
39AQI
39AQI
27th July 2025
37AQI
37AQI
28th July 2025
41AQI
41AQI
29th July 2025
40AQI
40AQI
30th July 2025
32AQI
32AQI
31st July 2025
33AQI
33AQI
1st August 2025
35AQI
35AQI
2nd August 2025
38AQI
38AQI
26AQI
29AQI
31AQI
21AQI
20AQI
22AQI
46AQI
37AQI
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
2
204
10
Highest AQI recorded in
July46AQI
Lowest AQI recorded in
May20AQI
202429AQI
31
29
31
30
29
2
30
24
7
31
30
30
1
27
3
31
353
13
Highest AQI recorded in
July39AQI
Lowest AQI recorded in
December24AQI
202330AQI
30
1
25
3
29
2
24
6
30
1
28
2
29
2
31
29
1
31
27
2
29
2
342
22
Highest AQI recorded in
April35AQI
Lowest AQI recorded in
August20AQI
202231AQI
31
21
26
5
15
2
30
1
28
2
20
1
1
27
1
31
30
31
291
12
Highest AQI recorded in
March39AQI
Lowest AQI recorded in
January24AQI
202122AQI
30
1
28
29
2
30
30
1
29
1
31
30
1
30
31
30
31
359
6
Highest AQI recorded in
May32AQI
Lowest AQI recorded in
February14AQI
202017AQI
13
21
18
30
31
31
19
31
30
31
255
Highest AQI recorded in
August26AQI
Lowest AQI recorded in
April12AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
31AQILeast Polluted Year Recorded
2020(Avg.)
17AQIShimohoya's annual 2025 AQI (28) shows an average percentage change of 13.7% (worsened AQI) compared to previous years: 2020 (17), 2021 (22), 2022 (31), 2023 (30), 2024 (29).
