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HistoryAQIPM2.5PM10COSO2NO2O3

Hamamatsu, Shizuoka, 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+

October Air Quality Analysis

Hamamatsu, Shizuoka, Japan

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
9th Oct 2025
63AQI
Lowest AQI recorded on
7th Oct 2022
16AQI

Same Day Analysis (15th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 53 of Moderate air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 15th Oct - 16th Oct 2025

Hamamatsu, Shizuoka, Japan

AQI
Day
Night
.

5 AM15th Oct 2025

5 PM

4 AM16th Oct 2025

Day time
Avg. Highest Time
5AM15th Oct

55AQI

Avg. Lowest Time
3PM15th Oct

39AQI

Night time
Avg. Highest Time
12AM16th Oct

54AQI

Avg. Lowest Time
3AM16th Oct

44AQI

In the last 24 hours,

Hamamatsu's AQI reached its highest point of 55 at 5 AM during the Day, while the lowest point, 39, was recorded at 3 PM during the Day between 15th Oct and 16th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Hamamatsu, Shizuoka, Japan

SepOct
16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th
Day
Night
16th Sep 2025375 AMAQI
16th Sep 2025376 AMAQI
16th Sep 2025377 AMAQI
16th Sep 2025378 AMAQI
16th Sep 2025569 AMAQI
16th Sep 20256410 AMAQI
16th Sep 20256511 AMAQI
16th Sep 20256312 PMAQI
16th Sep 2025611 PMAQI
16th Sep 2025612 PMAQI
16th Sep 2025593 PMAQI
16th Sep 2025584 PMAQI
16th Sep 2025575 PMAQI
16th Sep 2025576 PMAQI
16th Sep 2025567 PMAQI
16th Sep 2025528 PMAQI
16th Sep 2025489 PMAQI
16th Sep 20254910 PMAQI
16th Sep 20254811 PMAQI
17th Sep 20254312 AMAQI
17th Sep 2025381 AMAQI
17th Sep 2025352 AMAQI
17th Sep 2025353 AMAQI
17th Sep 2025404 AMAQI

28°C26/31°C

17th Sep 2025435 AMAQI
17th Sep 2025446 AMAQI
17th Sep 2025457 AMAQI
17th Sep 2025468 AMAQI
17th Sep 2025559 AMAQI
17th Sep 20256110 AMAQI
17th Sep 20256311 AMAQI
17th Sep 20256212 PMAQI
17th Sep 2025621 PMAQI
17th Sep 2025652 PMAQI
17th Sep 2025603 PMAQI
17th Sep 2025584 PMAQI
17th Sep 2025605 PMAQI
17th Sep 2025646 PMAQI
17th Sep 2025637 PMAQI
17th Sep 2025588 PMAQI
17th Sep 2025599 PMAQI
17th Sep 20256510 PMAQI
17th Sep 20256411 PMAQI
18th Sep 20256112 AMAQI
18th Sep 2025461 AMAQI
18th Sep 2025402 AMAQI
18th Sep 2025403 AMAQI
18th Sep 2025434 AMAQI

29°C26/33°C

18th Sep 2025475 AMAQI
18th Sep 2025476 AMAQI
18th Sep 2025487 AMAQI
18th Sep 2025488 AMAQI
18th Sep 2025639 AMAQI
18th Sep 20256410 AMAQI
18th Sep 20256311 AMAQI
18th Sep 20255712 PMAQI
18th Sep 2025581 PMAQI
18th Sep 2025562 PMAQI
18th Sep 2025563 PMAQI
18th Sep 2025544 PMAQI
18th Sep 2025435 PMAQI
18th Sep 2025276 PMAQI
18th Sep 2025207 PMAQI
18th Sep 2025248 PMAQI
18th Sep 2025339 PMAQI
18th Sep 20253410 PMAQI
18th Sep 20253211 PMAQI
19th Sep 20253512 AMAQI
19th Sep 2025451 AMAQI
19th Sep 2025482 AMAQI
19th Sep 2025493 AMAQI
19th Sep 2025504 AMAQI

29°C26/33°C

19th Sep 2025525 AMAQI
19th Sep 2025526 AMAQI
19th Sep 2025527 AMAQI
19th Sep 2025528 AMAQI
19th Sep 2025309 AMAQI
19th Sep 20251710 AMAQI
19th Sep 20251511 AMAQI
19th Sep 20251512 PMAQI
19th Sep 2025191 PMAQI
19th Sep 2025212 PMAQI
19th Sep 2025223 PMAQI
19th Sep 2025234 PMAQI
19th Sep 2025245 PMAQI
19th Sep 2025266 PMAQI
19th Sep 2025277 PMAQI
19th Sep 2025338 PMAQI
19th Sep 2025439 PMAQI
19th Sep 20254310 PMAQI
19th Sep 20254511 PMAQI
20th Sep 20254312 AMAQI
20th Sep 2025461 AMAQI
20th Sep 2025482 AMAQI
20th Sep 2025483 AMAQI
20th Sep 2025454 AMAQI

25°C24/26°C

20th Sep 2025415 AMAQI
20th Sep 2025426 AMAQI
20th Sep 2025417 AMAQI
20th Sep 2025428 AMAQI
20th Sep 2025319 AMAQI
20th Sep 20252710 AMAQI
20th Sep 20252611 AMAQI
20th Sep 20252512 PMAQI
20th Sep 2025231 PMAQI
20th Sep 2025232 PMAQI
20th Sep 2025253 PMAQI
20th Sep 2025254 PMAQI
20th Sep 2025255 PMAQI
20th Sep 2025256 PMAQI
20th Sep 2025267 PMAQI
20th Sep 2025318 PMAQI
20th Sep 2025369 PMAQI
20th Sep 20253610 PMAQI
20th Sep 20253611 PMAQI
21st Sep 20253612 AMAQI
21st Sep 2025441 AMAQI
21st Sep 2025442 AMAQI
21st Sep 2025443 AMAQI
21st Sep 2025434 AMAQI

23°C21/24°C

21st Sep 2025405 AMAQI
21st Sep 2025406 AMAQI
21st Sep 2025407 AMAQI
21st Sep 2025418 AMAQI
21st Sep 2025239 AMAQI
21st Sep 20251710 AMAQI
21st Sep 20251511 AMAQI
21st Sep 20251612 PMAQI
21st Sep 2025181 PMAQI
21st Sep 2025182 PMAQI
21st Sep 2025173 PMAQI
21st Sep 2025164 PMAQI
21st Sep 2025175 PMAQI
21st Sep 2025186 PMAQI
21st Sep 2025177 PMAQI
21st Sep 2025238 PMAQI
21st Sep 2025319 PMAQI
21st Sep 20253110 PMAQI
21st Sep 20254211 PMAQI
22nd Sep 20253912 AMAQI
22nd Sep 2025371 AMAQI
22nd Sep 2025412 AMAQI
22nd Sep 2025413 AMAQI
22nd Sep 2025394 AMAQI

27°C24/31°C

22nd Sep 2025365 AMAQI
22nd Sep 2025366 AMAQI
22nd Sep 2025367 AMAQI
22nd Sep 2025368 AMAQI
22nd Sep 2025239 AMAQI
22nd Sep 20252110 AMAQI
22nd Sep 20252211 AMAQI
22nd Sep 20252412 PMAQI
22nd Sep 2025271 PMAQI
22nd Sep 2025262 PMAQI
22nd Sep 2025263 PMAQI
22nd Sep 2025264 PMAQI
22nd Sep 2025265 PMAQI
22nd Sep 2025276 PMAQI
22nd Sep 2025317 PMAQI
22nd Sep 2025348 PMAQI
22nd Sep 2025349 PMAQI
22nd Sep 20253510 PMAQI
22nd Sep 20253411 PMAQI
23rd Sep 20253512 AMAQI
23rd Sep 2025381 AMAQI
23rd Sep 2025392 AMAQI
23rd Sep 2025383 AMAQI
23rd Sep 2025364 AMAQI

24°C22/27°C

23rd Sep 2025355 AMAQI
23rd Sep 2025356 AMAQI
23rd Sep 2025347 AMAQI
23rd Sep 2025358 AMAQI
23rd Sep 2025319 AMAQI
23rd Sep 20252910 AMAQI
23rd Sep 20253011 AMAQI
23rd Sep 20253012 PMAQI
23rd Sep 2025281 PMAQI
23rd Sep 2025282 PMAQI
23rd Sep 2025263 PMAQI
23rd Sep 2025264 PMAQI
23rd Sep 2025245 PMAQI
23rd Sep 2025286 PMAQI
23rd Sep 2025267 PMAQI
23rd Sep 2025308 PMAQI
23rd Sep 2025329 PMAQI
23rd Sep 20253210 PMAQI
23rd Sep 20253311 PMAQI
24th Sep 20253412 AMAQI
24th Sep 2025361 AMAQI
24th Sep 2025362 AMAQI
24th Sep 2025363 AMAQI
24th Sep 2025354 AMAQI

23°C21/26°C

24th Sep 2025355 AMAQI
24th Sep 2025356 AMAQI
24th Sep 2025347 AMAQI
24th Sep 2025348 AMAQI
24th Sep 2025329 AMAQI
24th Sep 20252910 AMAQI
24th Sep 20252711 AMAQI
24th Sep 20252412 PMAQI
24th Sep 2025271 PMAQI
24th Sep 2025242 PMAQI
24th Sep 2025243 PMAQI
24th Sep 2025234 PMAQI
24th Sep 2025255 PMAQI
24th Sep 2025266 PMAQI
24th Sep 2025267 PMAQI
24th Sep 2025298 PMAQI
24th Sep 2025329 PMAQI
24th Sep 20253110 PMAQI
24th Sep 20253211 PMAQI
25th Sep 20253212 AMAQI
25th Sep 2025341 AMAQI
25th Sep 2025352 AMAQI
25th Sep 2025353 AMAQI
25th Sep 2025344 AMAQI

23°C21/26°C

25th Sep 2025335 AMAQI
25th Sep 2025336 AMAQI
25th Sep 2025337 AMAQI
25th Sep 2025338 AMAQI
25th Sep 2025309 AMAQI
25th Sep 20252410 AMAQI
25th Sep 20252511 AMAQI
25th Sep 20252812 PMAQI
25th Sep 2025301 PMAQI
25th Sep 2025372 PMAQI
25th Sep 2025413 PMAQI
25th Sep 2025414 PMAQI
25th Sep 2025395 PMAQI
25th Sep 2025426 PMAQI
25th Sep 2025447 PMAQI
25th Sep 2025448 PMAQI
25th Sep 2025459 PMAQI
25th Sep 20253310 PMAQI
25th Sep 20253111 PMAQI
26th Sep 20253012 AMAQI
26th Sep 2025271 AMAQI
26th Sep 2025252 AMAQI
26th Sep 2025243 AMAQI
26th Sep 2025244 AMAQI

25°C22/27°C

26th Sep 2025245 AMAQI
26th Sep 2025226 AMAQI
26th Sep 2025237 AMAQI
26th Sep 2025238 AMAQI
26th Sep 2025229 AMAQI
26th Sep 20252310 AMAQI
26th Sep 20252611 AMAQI
26th Sep 20253012 PMAQI
26th Sep 2025351 PMAQI
26th Sep 2025432 PMAQI
26th Sep 2025503 PMAQI
26th Sep 2025534 PMAQI
26th Sep 2025545 PMAQI
26th Sep 2025426 PMAQI
26th Sep 2025317 PMAQI
26th Sep 2025278 PMAQI
26th Sep 2025269 PMAQI
26th Sep 20252510 PMAQI
26th Sep 20252611 PMAQI
27th Sep 20252812 AMAQI
27th Sep 2025301 AMAQI
27th Sep 2025312 AMAQI
27th Sep 2025323 AMAQI
27th Sep 2025294 AMAQI

27°C23/32°C

27th Sep 2025285 AMAQI
27th Sep 2025286 AMAQI
27th Sep 2025307 AMAQI
27th Sep 2025308 AMAQI
27th Sep 2025309 AMAQI
27th Sep 20253410 AMAQI
27th Sep 20253711 AMAQI
27th Sep 20253812 PMAQI
27th Sep 2025391 PMAQI
27th Sep 2025382 PMAQI
27th Sep 2025393 PMAQI
27th Sep 2025324 PMAQI
27th Sep 2025285 PMAQI
27th Sep 2025266 PMAQI
27th Sep 2025267 PMAQI
27th Sep 2025258 PMAQI
27th Sep 2025289 PMAQI
27th Sep 20252910 PMAQI
27th Sep 20253011 PMAQI
28th Sep 20253112 AMAQI
28th Sep 2025341 AMAQI
28th Sep 2025332 AMAQI
28th Sep 2025303 AMAQI
28th Sep 2025294 AMAQI

25°C23/28°C

28th Sep 2025305 AMAQI
28th Sep 2025316 AMAQI
28th Sep 2025307 AMAQI
28th Sep 2025318 AMAQI
28th Sep 2025299 AMAQI
28th Sep 20252610 AMAQI
28th Sep 20252511 AMAQI
28th Sep 20252612 PMAQI
28th Sep 2025291 PMAQI
28th Sep 2025282 PMAQI
28th Sep 2025303 PMAQI
28th Sep 2025294 PMAQI
28th Sep 2025295 PMAQI
28th Sep 2025266 PMAQI
28th Sep 2025267 PMAQI
28th Sep 2025308 PMAQI
28th Sep 2025249 PMAQI
28th Sep 20252410 PMAQI
28th Sep 20252411 PMAQI
29th Sep 20252312 AMAQI
29th Sep 2025201 AMAQI
29th Sep 2025192 AMAQI
29th Sep 2025203 AMAQI
29th Sep 2025194 AMAQI

25°C23/28°C

29th Sep 2025185 AMAQI
29th Sep 2025246 AMAQI
29th Sep 2025237 AMAQI
29th Sep 2025218 AMAQI
29th Sep 2025319 AMAQI
29th Sep 20252410 AMAQI
29th Sep 20252011 AMAQI
29th Sep 20252012 PMAQI
29th Sep 2025191 PMAQI
29th Sep 2025162 PMAQI
29th Sep 2025193 PMAQI
29th Sep 2025234 PMAQI
29th Sep 2025215 PMAQI
29th Sep 2025226 PMAQI
29th Sep 2025177 PMAQI
29th Sep 2025138 PMAQI
29th Sep 2025209 PMAQI
29th Sep 20251410 PMAQI
29th Sep 20251111 PMAQI
30th Sep 2025812 AMAQI
30th Sep 202591 AMAQI
30th Sep 2025102 AMAQI
30th Sep 202583 AMAQI
30th Sep 2025174 AMAQI

25°C23/29°C

30th Sep 2025165 AMAQI
30th Sep 2025116 AMAQI
30th Sep 2025107 AMAQI
30th Sep 2025118 AMAQI
30th Sep 2025149 AMAQI
30th Sep 20251910 AMAQI
30th Sep 20252911 AMAQI
30th Sep 20253212 PMAQI
30th Sep 2025331 PMAQI
30th Sep 2025342 PMAQI
30th Sep 2025353 PMAQI
30th Sep 2025434 PMAQI
30th Sep 2025345 PMAQI
30th Sep 2025336 PMAQI
30th Sep 2025327 PMAQI
30th Sep 2025318 PMAQI
30th Sep 2025279 PMAQI
30th Sep 20253110 PMAQI
30th Sep 20253211 PMAQI
1st Oct 20252612 AMAQI
1st Oct 2025161 AMAQI
1st Oct 2025142 AMAQI
1st Oct 2025143 AMAQI
1st Oct 2025154 AMAQI

24°C22/27°C

1st Oct 2025175 AMAQI
1st Oct 2025146 AMAQI
1st Oct 2025137 AMAQI
1st Oct 2025148 AMAQI
1st Oct 2025179 AMAQI
1st Oct 20252410 AMAQI
1st Oct 20252111 AMAQI
1st Oct 20251812 PMAQI
1st Oct 2025181 PMAQI
1st Oct 2025182 PMAQI
1st Oct 2025203 PMAQI
1st Oct 2025244 PMAQI
1st Oct 2025255 PMAQI
1st Oct 2025256 PMAQI
1st Oct 2025237 PMAQI
1st Oct 2025258 PMAQI
1st Oct 2025309 PMAQI
1st Oct 20253310 PMAQI
1st Oct 20252911 PMAQI
2nd Oct 20252912 AMAQI
2nd Oct 2025471 AMAQI
2nd Oct 2025512 AMAQI
2nd Oct 2025543 AMAQI
2nd Oct 2025544 AMAQI

23°C21/25°C

2nd Oct 2025565 AMAQI
2nd Oct 2025596 AMAQI
2nd Oct 2025607 AMAQI
2nd Oct 2025588 AMAQI
2nd Oct 2025569 AMAQI
2nd Oct 20255710 AMAQI
2nd Oct 20255511 AMAQI
2nd Oct 20255312 PMAQI
2nd Oct 2025521 PMAQI
2nd Oct 2025522 PMAQI
2nd Oct 2025533 PMAQI
2nd Oct 2025544 PMAQI
2nd Oct 2025555 PMAQI
2nd Oct 2025566 PMAQI
2nd Oct 2025557 PMAQI
2nd Oct 2025568 PMAQI
2nd Oct 2025529 PMAQI
2nd Oct 20255110 PMAQI
2nd Oct 20255111 PMAQI
3rd Oct 20255212 AMAQI
3rd Oct 2025501 AMAQI
3rd Oct 2025512 AMAQI
3rd Oct 2025503 AMAQI
3rd Oct 2025484 AMAQI

23°C19/28°C

3rd Oct 2025495 AMAQI
3rd Oct 2025486 AMAQI
3rd Oct 2025487 AMAQI
3rd Oct 2025478 AMAQI
3rd Oct 2025489 AMAQI
3rd Oct 20254910 AMAQI
3rd Oct 20255011 AMAQI
3rd Oct 20254712 PMAQI
3rd Oct 2025471 PMAQI
3rd Oct 2025432 PMAQI
3rd Oct 2025433 PMAQI
3rd Oct 2025414 PMAQI
3rd Oct 2025415 PMAQI
3rd Oct 2025416 PMAQI
3rd Oct 2025427 PMAQI
3rd Oct 2025398 PMAQI
3rd Oct 2025549 PMAQI
3rd Oct 20255610 PMAQI
3rd Oct 20255711 PMAQI
4th Oct 20256012 AMAQI
4th Oct 2025611 AMAQI
4th Oct 2025622 AMAQI
4th Oct 2025583 AMAQI
4th Oct 2025604 AMAQI

24°C22/26°C

4th Oct 2025595 AMAQI
4th Oct 2025586 AMAQI
4th Oct 2025577 AMAQI
4th Oct 2025568 AMAQI
4th Oct 2025569 AMAQI
4th Oct 20255510 AMAQI
4th Oct 20255411 AMAQI
4th Oct 20255512 PMAQI
4th Oct 2025561 PMAQI
4th Oct 2025542 PMAQI
4th Oct 2025533 PMAQI
4th Oct 2025514 PMAQI
4th Oct 2025525 PMAQI
4th Oct 2025556 PMAQI
4th Oct 2025527 PMAQI
4th Oct 2025508 PMAQI
4th Oct 2025499 PMAQI
4th Oct 20254910 PMAQI
4th Oct 20255211 PMAQI
5th Oct 20255512 AMAQI
5th Oct 2025551 AMAQI
5th Oct 2025502 AMAQI
5th Oct 2025423 AMAQI
5th Oct 2025514 AMAQI

24°C23/24°C

5th Oct 2025525 AMAQI
5th Oct 2025526 AMAQI
5th Oct 2025527 AMAQI
5th Oct 2025498 AMAQI
5th Oct 2025479 AMAQI
5th Oct 20254910 AMAQI
5th Oct 20255211 AMAQI
5th Oct 20255212 PMAQI
5th Oct 2025531 PMAQI
5th Oct 2025532 PMAQI
5th Oct 2025503 PMAQI
5th Oct 2025424 PMAQI
5th Oct 2025485 PMAQI
5th Oct 2025486 PMAQI
5th Oct 2025507 PMAQI
5th Oct 2025488 PMAQI
5th Oct 2025489 PMAQI
5th Oct 20254810 PMAQI
5th Oct 20254611 PMAQI
6th Oct 20254312 AMAQI
6th Oct 2025431 AMAQI
6th Oct 2025502 AMAQI
6th Oct 2025493 AMAQI
6th Oct 2025474 AMAQI

25°C22/27°C

6th Oct 2025445 AMAQI
6th Oct 2025406 AMAQI
6th Oct 2025447 AMAQI
6th Oct 2025438 AMAQI
6th Oct 2025449 AMAQI
6th Oct 20254410 AMAQI
6th Oct 20254611 AMAQI
6th Oct 20254912 PMAQI
6th Oct 2025431 PMAQI
6th Oct 2025412 PMAQI
6th Oct 2025433 PMAQI
6th Oct 2025444 PMAQI
6th Oct 2025455 PMAQI
6th Oct 2025486 PMAQI
6th Oct 2025487 PMAQI
6th Oct 2025478 PMAQI
6th Oct 2025479 PMAQI
6th Oct 20254810 PMAQI
6th Oct 20255011 PMAQI
7th Oct 20255312 AMAQI
7th Oct 2025561 AMAQI
7th Oct 2025562 AMAQI

26°C23/30°C

7th Oct 2025478 PMAQI
7th Oct 2025369 PMAQI
7th Oct 20256110 PMAQI
7th Oct 20256111 PMAQI
8th Oct 20256112 AMAQI
8th Oct 2025601 AMAQI
8th Oct 2025612 AMAQI
8th Oct 2025593 AMAQI
8th Oct 2025584 AMAQI

24°C22/27°C

8th Oct 2025575 AMAQI
8th Oct 2025576 AMAQI
8th Oct 2025567 AMAQI
8th Oct 2025558 AMAQI
8th Oct 2025529 AMAQI
8th Oct 20255310 AMAQI
8th Oct 20255311 AMAQI
8th Oct 20255912 PMAQI
8th Oct 2025611 PMAQI
8th Oct 2025572 PMAQI
8th Oct 2025603 PMAQI
8th Oct 2025644 PMAQI
8th Oct 2025645 PMAQI
8th Oct 2025606 PMAQI
8th Oct 2025587 PMAQI
8th Oct 2025588 PMAQI
8th Oct 2025609 PMAQI
8th Oct 20256010 PMAQI
8th Oct 20255911 PMAQI
9th Oct 20256112 AMAQI
9th Oct 2025601 AMAQI
9th Oct 2025632 AMAQI
9th Oct 2025643 AMAQI
9th Oct 2025614 AMAQI

25°C22/28°C

9th Oct 2025655 AMAQI
9th Oct 2025646 AMAQI
9th Oct 2025647 AMAQI
9th Oct 2025648 AMAQI
9th Oct 2025679 AMAQI
9th Oct 20257710 AMAQI
9th Oct 20258211 AMAQI
9th Oct 20256812 PMAQI
9th Oct 2025611 PMAQI
9th Oct 2025572 PMAQI
9th Oct 2025563 PMAQI
9th Oct 2025584 PMAQI
9th Oct 2025585 PMAQI
9th Oct 2025606 PMAQI
9th Oct 2025607 PMAQI
9th Oct 2025608 PMAQI
9th Oct 2025609 PMAQI
9th Oct 20255910 PMAQI
9th Oct 20256111 PMAQI
10th Oct 20256112 AMAQI
10th Oct 2025601 AMAQI
10th Oct 2025612 AMAQI
10th Oct 2025643 AMAQI
10th Oct 2025614 AMAQI

25°C22/29°C

10th Oct 2025595 AMAQI
10th Oct 2025576 AMAQI
10th Oct 2025587 AMAQI
10th Oct 2025598 AMAQI
10th Oct 2025579 AMAQI
10th Oct 20255710 AMAQI
10th Oct 20255711 AMAQI
10th Oct 20255712 PMAQI
10th Oct 2025591 PMAQI
10th Oct 2025582 PMAQI
10th Oct 2025593 PMAQI
10th Oct 2025594 PMAQI
10th Oct 2025585 PMAQI
10th Oct 2025586 PMAQI
10th Oct 2025597 PMAQI
10th Oct 2025588 PMAQI
10th Oct 2025599 PMAQI
10th Oct 20255710 PMAQI
10th Oct 20255611 PMAQI
11th Oct 20256112 AMAQI
11th Oct 2025631 AMAQI
11th Oct 2025632 AMAQI
11th Oct 2025593 AMAQI
11th Oct 2025594 AMAQI

21°C20/23°C

11th Oct 2025605 AMAQI
11th Oct 2025606 AMAQI
11th Oct 2025607 AMAQI
11th Oct 2025588 AMAQI
11th Oct 2025559 AMAQI
11th Oct 20255610 AMAQI
11th Oct 20255911 AMAQI
11th Oct 20256012 PMAQI
11th Oct 2025571 PMAQI
11th Oct 2025532 PMAQI
11th Oct 2025533 PMAQI
11th Oct 2025524 PMAQI
11th Oct 2025355 PMAQI
11th Oct 2025366 PMAQI
11th Oct 2025467 PMAQI
11th Oct 2025468 PMAQI
11th Oct 2025419 PMAQI
11th Oct 20254710 PMAQI
11th Oct 20255111 PMAQI
12th Oct 20255012 AMAQI
12th Oct 2025531 AMAQI
12th Oct 2025542 AMAQI
12th Oct 2025513 AMAQI
12th Oct 2025434 AMAQI

21°C20/22°C

12th Oct 2025415 AMAQI
12th Oct 2025406 AMAQI
12th Oct 2025417 AMAQI
12th Oct 2025448 AMAQI
12th Oct 2025329 AMAQI
12th Oct 20252910 AMAQI
12th Oct 20255111 AMAQI
12th Oct 20254812 PMAQI
12th Oct 2025501 PMAQI
12th Oct 2025522 PMAQI
12th Oct 2025503 PMAQI
12th Oct 2025504 PMAQI
12th Oct 2025495 PMAQI
12th Oct 2025486 PMAQI
12th Oct 2025467 PMAQI
12th Oct 2025488 PMAQI
12th Oct 2025539 PMAQI
12th Oct 20254610 PMAQI
12th Oct 20255411 PMAQI
13th Oct 20256012 AMAQI
13th Oct 2025611 AMAQI
13th Oct 2025632 AMAQI
13th Oct 2025593 AMAQI
13th Oct 2025594 AMAQI

24°C21/26°C

13th Oct 2025595 AMAQI
13th Oct 2025566 AMAQI
13th Oct 2025537 AMAQI
13th Oct 2025538 AMAQI
13th Oct 2025549 AMAQI
13th Oct 20255310 AMAQI
13th Oct 20255111 AMAQI
13th Oct 20255512 PMAQI
13th Oct 2025561 PMAQI
13th Oct 2025592 PMAQI
13th Oct 2025603 PMAQI
13th Oct 2025584 PMAQI
13th Oct 2025575 PMAQI
13th Oct 2025556 PMAQI
13th Oct 2025537 PMAQI
13th Oct 2025478 PMAQI
13th Oct 2025459 PMAQI
13th Oct 20253310 PMAQI
13th Oct 20254411 PMAQI
14th Oct 20256112 AMAQI
14th Oct 2025651 AMAQI
14th Oct 2025602 AMAQI
14th Oct 2025583 AMAQI
14th Oct 2025554 AMAQI

26°C23/30°C

14th Oct 2025535 AMAQI
14th Oct 2025546 AMAQI
14th Oct 2025567 AMAQI
14th Oct 2025558 AMAQI
14th Oct 2025599 AMAQI
14th Oct 20255910 AMAQI
14th Oct 20255911 AMAQI
14th Oct 20256012 PMAQI
14th Oct 2025581 PMAQI
14th Oct 2025562 PMAQI
14th Oct 2025573 PMAQI
14th Oct 2025554 PMAQI
14th Oct 2025555 PMAQI
14th Oct 2025536 PMAQI
14th Oct 2025537 PMAQI
14th Oct 2025568 PMAQI
14th Oct 2025559 PMAQI
14th Oct 20255610 PMAQI
14th Oct 20255711 PMAQI
15th Oct 20255812 AMAQI
15th Oct 2025601 AMAQI
15th Oct 2025612 AMAQI
15th Oct 2025613 AMAQI
15th Oct 2025584 AMAQI

21°C18/22°C

15th Oct 2025555 AMAQI
15th Oct 2025526 AMAQI
15th Oct 2025477 AMAQI
15th Oct 2025398 AMAQI
15th Oct 2025439 AMAQI
15th Oct 20254610 AMAQI
15th Oct 20253911 AMAQI
15th Oct 20254212 PMAQI
15th Oct 2025391 PMAQI
15th Oct 2025392 PMAQI
15th Oct 2025393 PMAQI
15th Oct 2025414 PMAQI
15th Oct 2025445 PMAQI
15th Oct 2025456 PMAQI
15th Oct 2025447 PMAQI
15th Oct 2025488 PMAQI
15th Oct 2025519 PMAQI
15th Oct 20255110 PMAQI
15th Oct 20255211 PMAQI
16th Oct 20255412 AMAQI
16th Oct 2025531 AMAQI
16th Oct 2025492 AMAQI
16th Oct 2025443 AMAQI
16th Oct 2025454 AMAQI

20°C19/21°C

16th Oct 2025495 AMAQI
5 AM
16th Oct 2025436 AMAQI
16th Oct 2025417 AMAQI
16th Oct 2025308 AMAQI
16th Oct 2025359 AMAQI
16th Oct 20252710 AMAQI
16th Oct 20253611 AMAQI
11 AM
16th Oct 20255512 PMAQI
5 PM
11 PM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 5 PM

42AQI

13 hours / Day
390 hours / Month
Avg. Lowest Time
5 AM - 10 AM

42AQI

6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 5 PM (Avg. 42), while the lowest AQI was between 5 AM to 10 AM (Avg. 42).
Night time
Avg. Highest Time
12 AM - 2 AM

45AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
6 PM - 11 PM

42AQI

6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 2 AM (Avg. 45), while the lowest AQI was between 6 PM to 11 PM (Avg. 42).

2025 Days Vs Air Quality

Hamamatsu, Shizuoka, Japan

2025

83%

239

17%

48

0.3%

1

Total number of days with different AQI categories in last 289 days in 2025 (76 days remaining)

Good
239 Days
Moderate
48 Days
Poor
1 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 83%

Health Risk Level:

Low

In 2025, 83% of 289 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.

Annual Air Quality Insights

Hamamatsu, Shizuoka, 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.

-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
31AQI
2nd January 2025
32AQI
3rd January 2025
31AQI
4th January 2025
30AQI
5th January 2025
30AQI
6th January 2025
27AQI
7th January 2025
33AQI
8th January 2025
26AQI
9th January 2025
30AQI
10th January 2025
26AQI
11th January 2025
28AQI
12th January 2025
27AQI
13th January 2025
28AQI
14th January 2025
39AQI
15th January 2025
37AQI
16th January 2025
29AQI
17th January 2025
31AQI
18th January 2025
28AQI
19th January 2025
28AQI
20th January 2025
30AQI
21st January 2025
32AQI
22nd January 2025
33AQI
23rd January 2025
53AQI
24th January 2025
49AQI
25th January 2025
41AQI
26th January 2025
38AQI
27th January 2025
27AQI
28th January 2025
33AQI
29th January 2025
29AQI
30th January 2025
32AQI
31st January 2025
42AQI
1st February 2025
43AQI
2nd February 2025
34AQI
3rd February 2025
37AQI
4th February 2025
33AQI
5th February 2025
34AQI
6th February 2025
31AQI
7th February 2025
34AQI
8th February 2025
31AQI
9th February 2025
31AQI
10th February 2025
31AQI
11th February 2025
33AQI
12th February 2025
29AQI
13th February 2025
32AQI
14th February 2025
32AQI
15th February 2025
30AQI
16th February 2025
34AQI
17th February 2025
39AQI
18th February 2025
32AQI
19th February 2025
33AQI
20th February 2025
32AQI
21st February 2025
31AQI
22nd February 2025
32AQI
23rd February 2025
33AQI
24th February 2025
35AQI
25th February 2025
36AQI
26th February 2025
38AQI
27th February 2025
46AQI
28th February 2025
51AQI
1st March 2025
47AQI
2nd March 2025
53AQI
3rd March 2025
40AQI
4th March 2025
37AQI
5th March 2025
27AQI
6th March 2025
33AQI
7th March 2025
32AQI
8th March 2025
32AQI
9th March 2025
35AQI
10th March 2025
35AQI
11th March 2025
32AQI
12th March 2025
28AQI
13th March 2025
43AQI
14th March 2025
33AQI
15th March 2025
37AQI
16th March 2025
20AQI
17th March 2025
21AQI
18th March 2025
21AQI
19th March 2025
19AQI
20th March 2025
30AQI
21st March 2025
50AQI
22nd March 2025
51AQI
23rd March 2025
63AQI
24th March 2025
60AQI
25th March 2025
66AQI
26th March 2025
111AQI
27th March 2025
75AQI
28th March 2025
62AQI
29th March 2025
45AQI
30th March 2025
39AQI
31st March 2025
34AQI
1st April 2025
29AQI
2nd April 2025
28AQI
3rd April 2025
23AQI
4th April 2025
22AQI
5th April 2025
27AQI
6th April 2025
25AQI
7th April 2025
34AQI
8th April 2025
39AQI
9th April 2025
38AQI
10th April 2025
50AQI
11th April 2025
45AQI
12th April 2025
51AQI
13th April 2025
32AQI
14th April 2025
49AQI
15th April 2025
24AQI
16th April 2025
42AQI
17th April 2025
45AQI
18th April 2025
53AQI
19th April 2025
62AQI
20th April 2025
48AQI
21st April 2025
52AQI
22nd April 2025
43AQI
23rd April 2025
35AQI
24th April 2025
38AQI
25th April 2025
49AQI
26th April 2025
50AQI
27th April 2025
54AQI
28th April 2025
44AQI
29th April 2025
47AQI
30th April 2025
51AQI
1st May 2025
47AQI
2nd May 2025
31AQI
3rd May 2025
39AQI
4th May 2025
33AQI
5th May 2025
36AQI
6th May 2025
26AQI
7th May 2025
30AQI
8th May 2025
29AQI
9th May 2025
30AQI
10th May 2025
24AQI
11th May 2025
25AQI
12th May 2025
35AQI
13th May 2025
46AQI
14th May 2025
48AQI
15th May 2025
47AQI
16th May 2025
48AQI
17th May 2025
35AQI
18th May 2025
49AQI
19th May 2025
48AQI
20th May 2025
58AQI
21st May 2025
40AQI
22nd May 2025
34AQI
23rd May 2025
41AQI
24th May 2025
38AQI
25th May 2025
24AQI
26th May 2025
29AQI
27th May 2025
28AQI
28th May 2025
29AQI
29th May 2025
34AQI
30th May 2025
28AQI
31st May 2025
28AQI
1st June 2025
23AQI
2nd June 2025
32AQI
3rd June 2025
28AQI
4th June 2025
37AQI
5th June 2025
42AQI
6th June 2025
46AQI
7th June 2025
51AQI
8th June 2025
58AQI
9th June 2025
43AQI
10th June 2025
31AQI
11th June 2025
32AQI
12th June 2025
44AQI
13th June 2025
41AQI
14th June 2025
34AQI
15th June 2025
31AQI
16th June 2025
38AQI
17th June 2025
41AQI
18th June 2025
47AQI
19th June 2025
51AQI
20th June 2025
39AQI
21st June 2025
33AQI
22nd June 2025
26AQI
23rd June 2025
24AQI
24th June 2025
23AQI
25th June 2025
23AQI
26th June 2025
22AQI
27th June 2025
35AQI
28th June 2025
38AQI
29th June 2025
35AQI
30th June 2025
38AQI
1st July 2025
42AQI
2nd July 2025
44AQI
3rd July 2025
45AQI
4th July 2025
44AQI
5th July 2025
82AQI
6th July 2025
65AQI
7th July 2025
77AQI
8th July 2025
83AQI
9th July 2025
75AQI
10th July 2025
51AQI
11th July 2025
51AQI
12th July 2025
50AQI
13th July 2025
48AQI
14th July 2025
41AQI
15th July 2025
45AQI
16th July 2025
43AQI
17th July 2025
44AQI
18th July 2025
38AQI
19th July 2025
35AQI
20th July 2025
33AQI
21st July 2025
30AQI
22nd July 2025
27AQI
23rd July 2025
27AQI
24th July 2025
26AQI
25th July 2025
25AQI
26th July 2025
25AQI
27th July 2025
23AQI
28th July 2025
25AQI
29th July 2025
28AQI
30th July 2025
35AQI
31st July 2025
33AQI
1st August 2025
42AQI
2nd August 2025
44AQI
3rd August 2025
47AQI
4th August 2025
65AQI
5th August 2025
50AQI
6th August 2025
54AQI
7th August 2025
49AQI
8th August 2025
47AQI
9th August 2025
51AQI
10th August 2025
44AQI
11th August 2025
40AQI
12th August 2025
37AQI
13th August 2025
38AQI
14th August 2025
40AQI
15th August 2025
41AQI
16th August 2025
40AQI
17th August 2025
41AQI
18th August 2025
45AQI
19th August 2025
45AQI
20th August 2025
46AQI
21st August 2025
47AQI
22nd August 2025
44AQI
23rd August 2025
48AQI
24th August 2025
57AQI
25th August 2025
58AQI
26th August 2025
54AQI
27th August 2025
53AQI
28th August 2025
51AQI
29th August 2025
55AQI
30th August 2025
56AQI
31st August 2025
55AQI
1st September 2025
42AQI
2nd September 2025
35AQI
3rd September 2025
40AQI
4th September 2025
26AQI
5th September 2025
25AQI
6th September 2025
28AQI
7th September 2025
31AQI
8th September 2025
37AQI
9th September 2025
40AQI
10th September 2025
37AQI
11th September 2025
31AQI
12th September 2025
31AQI
13th September 2025
28AQI
14th September 2025
38AQI
15th September 2025
41AQI
16th September 2025
48AQI
17th September 2025
53AQI
18th September 2025
44AQI
19th September 2025
36AQI
20th September 2025
35AQI
21st September 2025
30AQI
22nd September 2025
32AQI
23rd September 2025
32AQI
24th September 2025
31AQI
25th September 2025
36AQI
26th September 2025
30AQI
27th September 2025
30AQI
28th September 2025
29AQI
29th September 2025
20AQI
30th September 2025
22AQI
1st October 2025
22AQI
2nd October 2025
50AQI
3rd October 2025
48AQI
4th October 2025
56AQI
5th October 2025
51AQI
6th October 2025
44AQI
7th October 2025
53AQI
8th October 2025
59AQI
9th October 2025
63AQI
10th October 2025
59AQI
11th October 2025
54AQI
12th October 2025
48AQI
13th October 2025
54AQI
14th October 2025
57AQI
15th October 2025
53AQI
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025

33AQI

35AQI

42AQI

41AQI

36AQI

36AQI

43AQI

48AQI

34AQI

51AQI

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202539AQI

30
1
27
1
23
7
1
24
6
30
1
27
3
24
7
20
11
29
1
5
10
239
48
1

Highest AQI recorded in

October

51AQI

Lowest AQI recorded in

January

33AQI

202436AQI

31
28
1
26
5
22
8
27
4
27
3
24
7
27
4
28
2
29
2
29
1
31
329
37

Highest AQI recorded in

April

47AQI

Lowest AQI recorded in

December

29AQI

202336AQI

29
2
28
29
2
20
10
27
4
23
7
28
3
30
1
28
2
30
1
25
4
27
4
324
40

Highest AQI recorded in

April

48AQI

Lowest AQI recorded in

August

26AQI

202235AQI

31
22
2
26
5
23
7
21
10
29
1
21
3
1
27
2
28
3
29
1
31
289
34

Highest AQI recorded in

May

45AQI

Lowest AQI recorded in

August

24AQI

202134AQI

29
2
25
3
29
1
1
26
4
28
3
26
4
30
1
26
5
25
5
31
28
1
31
334
29
1

Highest AQI recorded in

June

40AQI

Lowest AQI recorded in

January

26AQI

202030AQI

12
2
18
1
31
28
2
31
120
5

Highest AQI recorded in

August

39AQI

Lowest AQI recorded in

December

24AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
39AQI
Least Polluted Year Recorded
2020(Avg.)
30AQI

Hamamatsu's annual 2025 AQI (39) shows an average percentage change of 15.9% (worsened AQI) compared to previous years: 2020 (30), 2021 (34), 2022 (35), 2023 (36), 2024 (36).