Kusatsucho, Kusatsu, Shiga, 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
Kusatsucho, Kusatsu, Shiga, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2025
62AQILowest AQI recorded on
13th Aug 2021
8AQISame Day Analysis (6th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 51 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 7th Aug - 8th Aug 2025
Kusatsucho, Kusatsu, Shiga, Japan
AQI
Day
Night
.
4 AM7th Aug 2025
7 PM
3 AM8th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
10AM7th Aug
53AQI
Avg. Lowest Time
3PM7th Aug
31AQI
In the last 24 hours,
Kusatsucho's AQI reached its highest point of 53 at 10 AM during the Night, while the lowest point, undefined, was recorded at 3 AM during the Night between 7th Aug and 8th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Kusatsucho, Kusatsu, Shiga, Japan
JulAug
09th - 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 - 07th07th - 08th08th
Day
Night
9th Jul 2025764 AMAQI
9th Jul 2025755 AMAQI
9th Jul 2025756 AMAQI
9th Jul 2025757 AMAQI
9th Jul 2025768 AMAQI
9th Jul 2025929 AMAQI
9th Jul 20259810 AMAQI
9th Jul 20259511 AMAQI
9th Jul 20259512 PMAQI
9th Jul 2025941 PMAQI
9th Jul 2025932 PMAQI
9th Jul 2025943 PMAQI
9th Jul 2025964 PMAQI
9th Jul 2025905 PMAQI
9th Jul 2025926 PMAQI
9th Jul 2025947 PMAQI
9th Jul 2025888 PMAQI
9th Jul 2025829 PMAQI
9th Jul 20258210 PMAQI
9th Jul 20258311 PMAQI
10th Jul 20258212 AMAQI
10th Jul 2025801 AMAQI
10th Jul 2025762 AMAQI
10th Jul 2025743 AMAQI
28°C23/33°C
10th Jul 2025764 AMAQI
10th Jul 2025785 AMAQI
10th Jul 2025786 AMAQI
10th Jul 2025787 AMAQI
10th Jul 2025788 AMAQI
10th Jul 2025689 AMAQI
10th Jul 20257210 AMAQI
10th Jul 20256711 AMAQI
10th Jul 20256012 PMAQI
10th Jul 2025621 PMAQI
10th Jul 2025602 PMAQI
10th Jul 2025553 PMAQI
10th Jul 2025524 PMAQI
10th Jul 2025535 PMAQI
10th Jul 2025456 PMAQI
10th Jul 2025417 PMAQI
10th Jul 2025518 PMAQI
10th Jul 2025649 PMAQI
10th Jul 20256310 PMAQI
10th Jul 20256511 PMAQI
11th Jul 20256412 AMAQI
11th Jul 2025641 AMAQI
11th Jul 2025762 AMAQI
11th Jul 2025763 AMAQI
28°C23/34°C
11th Jul 2025764 AMAQI
11th Jul 2025745 AMAQI
11th Jul 2025756 AMAQI
11th Jul 2025757 AMAQI
11th Jul 2025758 AMAQI
11th Jul 2025349 AMAQI
11th Jul 20252310 AMAQI
11th Jul 20252011 AMAQI
11th Jul 20252212 PMAQI
11th Jul 2025341 PMAQI
11th Jul 2025382 PMAQI
11th Jul 2025393 PMAQI
11th Jul 2025444 PMAQI
11th Jul 2025395 PMAQI
11th Jul 2025396 PMAQI
11th Jul 2025417 PMAQI
11th Jul 2025488 PMAQI
11th Jul 2025609 PMAQI
11th Jul 20256110 PMAQI
11th Jul 20256111 PMAQI
12th Jul 20256012 AMAQI
12th Jul 2025611 AMAQI
12th Jul 2025712 AMAQI
12th Jul 2025723 AMAQI
28°C24/33°C
12th Jul 2025704 AMAQI
12th Jul 2025675 AMAQI
12th Jul 2025686 AMAQI
12th Jul 2025677 AMAQI
12th Jul 2025668 AMAQI
12th Jul 2025419 AMAQI
12th Jul 20253510 AMAQI
12th Jul 20253511 AMAQI
12th Jul 20254012 PMAQI
12th Jul 2025421 PMAQI
12th Jul 2025472 PMAQI
12th Jul 2025433 PMAQI
12th Jul 2025414 PMAQI
12th Jul 2025425 PMAQI
12th Jul 2025486 PMAQI
12th Jul 2025487 PMAQI
12th Jul 2025528 PMAQI
12th Jul 2025599 PMAQI
12th Jul 20255910 PMAQI
12th Jul 20255811 PMAQI
13th Jul 20255912 AMAQI
13th Jul 2025601 AMAQI
13th Jul 2025662 AMAQI
13th Jul 2025673 AMAQI
27°C23/32°C
13th Jul 2025664 AMAQI
13th Jul 2025635 AMAQI
13th Jul 2025646 AMAQI
13th Jul 2025637 AMAQI
13th Jul 2025638 AMAQI
13th Jul 2025509 AMAQI
13th Jul 20253710 AMAQI
13th Jul 20253411 AMAQI
13th Jul 20253612 PMAQI
13th Jul 2025421 PMAQI
13th Jul 2025422 PMAQI
13th Jul 2025423 PMAQI
13th Jul 2025454 PMAQI
13th Jul 2025435 PMAQI
13th Jul 2025436 PMAQI
13th Jul 2025427 PMAQI
13th Jul 2025488 PMAQI
13th Jul 2025569 PMAQI
13th Jul 20255510 PMAQI
13th Jul 20255511 PMAQI
14th Jul 20255512 AMAQI
14th Jul 2025581 AMAQI
14th Jul 2025642 AMAQI
14th Jul 2025633 AMAQI
27°C24/32°C
14th Jul 2025624 AMAQI
14th Jul 2025605 AMAQI
14th Jul 2025606 AMAQI
14th Jul 2025607 AMAQI
14th Jul 2025608 AMAQI
14th Jul 2025279 AMAQI
14th Jul 20251710 AMAQI
14th Jul 20251611 AMAQI
14th Jul 20251812 PMAQI
14th Jul 2025261 PMAQI
14th Jul 2025232 PMAQI
14th Jul 2025233 PMAQI
14th Jul 2025234 PMAQI
14th Jul 2025225 PMAQI
14th Jul 2025216 PMAQI
14th Jul 2025207 PMAQI
14th Jul 2025338 PMAQI
14th Jul 2025529 PMAQI
14th Jul 20255110 PMAQI
14th Jul 20254911 PMAQI
15th Jul 20255112 AMAQI
15th Jul 2025511 AMAQI
15th Jul 2025592 AMAQI
15th Jul 2025603 AMAQI
27°C24/32°C
15th Jul 2025584 AMAQI
15th Jul 2025565 AMAQI
15th Jul 2025566 AMAQI
15th Jul 2025567 AMAQI
15th Jul 2025568 AMAQI
15th Jul 2025309 AMAQI
15th Jul 20252210 AMAQI
15th Jul 20252411 AMAQI
15th Jul 20253412 PMAQI
15th Jul 2025411 PMAQI
15th Jul 2025342 PMAQI
15th Jul 2025373 PMAQI
15th Jul 2025424 PMAQI
15th Jul 2025525 PMAQI
15th Jul 2025466 PMAQI
15th Jul 2025487 PMAQI
15th Jul 2025498 PMAQI
15th Jul 2025549 PMAQI
15th Jul 20255410 PMAQI
15th Jul 20255411 PMAQI
16th Jul 20255412 AMAQI
16th Jul 2025561 AMAQI
16th Jul 2025562 AMAQI
16th Jul 2025563 AMAQI
27°C23/34°C
16th Jul 2025554 AMAQI
16th Jul 2025535 AMAQI
16th Jul 2025546 AMAQI
16th Jul 2025547 AMAQI
16th Jul 2025548 AMAQI
16th Jul 2025509 AMAQI
16th Jul 20255010 AMAQI
16th Jul 20254711 AMAQI
16th Jul 20255212 PMAQI
16th Jul 2025491 PMAQI
16th Jul 2025402 PMAQI
16th Jul 2025363 PMAQI
16th Jul 2025374 PMAQI
16th Jul 2025405 PMAQI
16th Jul 2025446 PMAQI
16th Jul 2025367 PMAQI
16th Jul 2025408 PMAQI
16th Jul 2025489 PMAQI
16th Jul 20254910 PMAQI
16th Jul 20254811 PMAQI
17th Jul 20254812 AMAQI
17th Jul 2025491 AMAQI
17th Jul 2025502 AMAQI
17th Jul 2025553 AMAQI
26°C23/30°C
17th Jul 2025544 AMAQI
17th Jul 2025545 AMAQI
17th Jul 2025546 AMAQI
17th Jul 2025547 AMAQI
17th Jul 2025548 AMAQI
17th Jul 2025239 AMAQI
17th Jul 20251510 AMAQI
17th Jul 20251311 AMAQI
17th Jul 20251412 PMAQI
17th Jul 2025231 PMAQI
17th Jul 2025202 PMAQI
17th Jul 2025203 PMAQI
17th Jul 2025184 PMAQI
17th Jul 2025175 PMAQI
17th Jul 2025196 PMAQI
17th Jul 2025187 PMAQI
17th Jul 2025268 PMAQI
17th Jul 2025409 PMAQI
17th Jul 20254210 PMAQI
17th Jul 20254211 PMAQI
18th Jul 20254112 AMAQI
18th Jul 2025441 AMAQI
18th Jul 2025532 AMAQI
18th Jul 2025533 AMAQI
24°C23/26°C
18th Jul 2025524 AMAQI
18th Jul 2025505 AMAQI
18th Jul 2025506 AMAQI
18th Jul 2025517 AMAQI
18th Jul 2025508 AMAQI
18th Jul 2025319 AMAQI
18th Jul 20252810 AMAQI
18th Jul 20252611 AMAQI
18th Jul 20252412 PMAQI
18th Jul 2025281 PMAQI
18th Jul 2025292 PMAQI
18th Jul 2025243 PMAQI
18th Jul 2025224 PMAQI
18th Jul 2025225 PMAQI
18th Jul 2025206 PMAQI
18th Jul 2025307 PMAQI
18th Jul 2025348 PMAQI
18th Jul 2025389 PMAQI
18th Jul 20253910 PMAQI
18th Jul 20254011 PMAQI
19th Jul 20253812 AMAQI
19th Jul 2025441 AMAQI
19th Jul 2025502 AMAQI
19th Jul 2025503 AMAQI
26°C22/30°C
19th Jul 2025484 AMAQI
19th Jul 2025465 AMAQI
19th Jul 2025466 AMAQI
19th Jul 2025467 AMAQI
19th Jul 2025468 AMAQI
19th Jul 2025279 AMAQI
19th Jul 20251610 AMAQI
19th Jul 20251611 AMAQI
19th Jul 20251812 PMAQI
19th Jul 2025201 PMAQI
19th Jul 2025272 PMAQI
19th Jul 2025273 PMAQI
19th Jul 2025244 PMAQI
19th Jul 2025205 PMAQI
19th Jul 2025226 PMAQI
19th Jul 2025227 PMAQI
19th Jul 2025298 PMAQI
19th Jul 2025359 PMAQI
19th Jul 20253710 PMAQI
19th Jul 20253411 PMAQI
20th Jul 20253412 AMAQI
20th Jul 2025361 AMAQI
20th Jul 2025462 AMAQI
20th Jul 2025463 AMAQI
26°C22/31°C
20th Jul 2025444 AMAQI
20th Jul 2025425 AMAQI
20th Jul 2025426 AMAQI
20th Jul 2025427 AMAQI
20th Jul 2025428 AMAQI
20th Jul 2025309 AMAQI
20th Jul 20252010 AMAQI
20th Jul 20252011 AMAQI
20th Jul 20251612 PMAQI
20th Jul 2025201 PMAQI
20th Jul 2025212 PMAQI
20th Jul 2025223 PMAQI
20th Jul 2025224 PMAQI
20th Jul 2025255 PMAQI
20th Jul 2025296 PMAQI
20th Jul 2025267 PMAQI
20th Jul 2025288 PMAQI
20th Jul 2025309 PMAQI
20th Jul 20253210 PMAQI
20th Jul 20253111 PMAQI
21st Jul 20253212 AMAQI
21st Jul 2025341 AMAQI
21st Jul 2025422 AMAQI
21st Jul 2025423 AMAQI
27°C23/32°C
21st Jul 2025404 AMAQI
21st Jul 2025385 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025377 AMAQI
21st Jul 2025378 AMAQI
21st Jul 2025239 AMAQI
21st Jul 20252210 AMAQI
21st Jul 20252411 AMAQI
21st Jul 20252512 PMAQI
21st Jul 2025321 PMAQI
21st Jul 2025302 PMAQI
21st Jul 2025323 PMAQI
21st Jul 2025334 PMAQI
21st Jul 2025315 PMAQI
21st Jul 2025286 PMAQI
21st Jul 2025267 PMAQI
21st Jul 2025278 PMAQI
21st Jul 2025329 PMAQI
21st Jul 20252910 PMAQI
21st Jul 20252711 PMAQI
22nd Jul 20253112 AMAQI
22nd Jul 2025331 AMAQI
22nd Jul 2025392 AMAQI
22nd Jul 2025383 AMAQI
28°C24/34°C
22nd Jul 2025384 AMAQI
22nd Jul 2025365 AMAQI
22nd Jul 2025376 AMAQI
22nd Jul 2025367 AMAQI
22nd Jul 2025378 AMAQI
22nd Jul 2025269 AMAQI
22nd Jul 20252210 AMAQI
22nd Jul 20252211 AMAQI
22nd Jul 20252812 PMAQI
22nd Jul 2025321 PMAQI
22nd Jul 2025332 PMAQI
22nd Jul 2025343 PMAQI
22nd Jul 2025364 PMAQI
22nd Jul 2025385 PMAQI
22nd Jul 2025406 PMAQI
22nd Jul 2025447 PMAQI
22nd Jul 2025428 PMAQI
22nd Jul 2025399 PMAQI
22nd Jul 20253610 PMAQI
22nd Jul 20253211 PMAQI
23rd Jul 20252912 AMAQI
23rd Jul 2025321 AMAQI
23rd Jul 2025372 AMAQI
23rd Jul 2025363 AMAQI
29°C24/35°C
23rd Jul 2025364 AMAQI
23rd Jul 2025345 AMAQI
23rd Jul 2025356 AMAQI
23rd Jul 2025347 AMAQI
23rd Jul 2025358 AMAQI
23rd Jul 2025289 AMAQI
23rd Jul 20252910 AMAQI
23rd Jul 20252911 AMAQI
23rd Jul 20253412 PMAQI
23rd Jul 2025411 PMAQI
23rd Jul 2025522 PMAQI
23rd Jul 2025543 PMAQI
23rd Jul 2025544 PMAQI
23rd Jul 2025555 PMAQI
23rd Jul 2025546 PMAQI
23rd Jul 2025557 PMAQI
23rd Jul 2025478 PMAQI
23rd Jul 2025459 PMAQI
23rd Jul 20254610 PMAQI
23rd Jul 20253911 PMAQI
24th Jul 20253612 AMAQI
24th Jul 2025341 AMAQI
24th Jul 2025352 AMAQI
24th Jul 2025353 AMAQI
29°C25/35°C
24th Jul 2025354 AMAQI
24th Jul 2025365 AMAQI
24th Jul 2025366 AMAQI
24th Jul 2025367 AMAQI
24th Jul 2025368 AMAQI
24th Jul 2025279 AMAQI
24th Jul 20252810 AMAQI
24th Jul 20253311 AMAQI
24th Jul 20254212 PMAQI
24th Jul 2025451 PMAQI
24th Jul 2025532 PMAQI
24th Jul 2025563 PMAQI
24th Jul 2025544 PMAQI
24th Jul 2025535 PMAQI
24th Jul 2025546 PMAQI
24th Jul 2025547 PMAQI
24th Jul 2025518 PMAQI
24th Jul 2025359 PMAQI
24th Jul 20253310 PMAQI
24th Jul 20252911 PMAQI
25th Jul 20252712 AMAQI
25th Jul 2025291 AMAQI
25th Jul 2025352 AMAQI
25th Jul 2025363 AMAQI
29°C25/36°C
25th Jul 2025364 AMAQI
25th Jul 2025375 AMAQI
25th Jul 2025376 AMAQI
25th Jul 2025367 AMAQI
25th Jul 2025378 AMAQI
25th Jul 2025349 AMAQI
25th Jul 20253610 AMAQI
25th Jul 20253511 AMAQI
25th Jul 20254112 PMAQI
25th Jul 2025381 PMAQI
25th Jul 2025382 PMAQI
25th Jul 2025403 PMAQI
25th Jul 2025404 PMAQI
25th Jul 2025405 PMAQI
25th Jul 2025346 PMAQI
25th Jul 2025307 PMAQI
25th Jul 2025318 PMAQI
25th Jul 2025289 PMAQI
25th Jul 20253010 PMAQI
25th Jul 20253011 PMAQI
26th Jul 20252912 AMAQI
26th Jul 2025281 AMAQI
26th Jul 2025342 AMAQI
26th Jul 2025343 AMAQI
29°C25/35°C
26th Jul 2025354 AMAQI
26th Jul 2025345 AMAQI
26th Jul 2025356 AMAQI
26th Jul 2025357 AMAQI
26th Jul 2025368 AMAQI
26th Jul 2025229 AMAQI
26th Jul 20251810 AMAQI
26th Jul 20251711 AMAQI
26th Jul 20251612 PMAQI
26th Jul 2025161 PMAQI
26th Jul 2025212 PMAQI
26th Jul 2025253 PMAQI
26th Jul 2025204 PMAQI
26th Jul 2025235 PMAQI
26th Jul 2025246 PMAQI
26th Jul 2025247 PMAQI
26th Jul 2025308 PMAQI
26th Jul 2025289 PMAQI
26th Jul 20252910 PMAQI
26th Jul 20252611 PMAQI
27th Jul 20252612 AMAQI
27th Jul 2025271 AMAQI
27th Jul 2025322 AMAQI
27th Jul 2025323 AMAQI
29°C24/34°C
27th Jul 2025324 AMAQI
27th Jul 2025305 AMAQI
27th Jul 2025316 AMAQI
27th Jul 2025307 AMAQI
27th Jul 2025308 AMAQI
27th Jul 2025259 AMAQI
27th Jul 20252410 AMAQI
27th Jul 20252311 AMAQI
27th Jul 20252312 PMAQI
27th Jul 2025261 PMAQI
27th Jul 2025222 PMAQI
27th Jul 2025263 PMAQI
27th Jul 2025224 PMAQI
27th Jul 2025265 PMAQI
27th Jul 2025246 PMAQI
27th Jul 2025287 PMAQI
27th Jul 2025288 PMAQI
27th Jul 2025269 PMAQI
27th Jul 20252410 PMAQI
27th Jul 20252411 PMAQI
28th Jul 20252612 AMAQI
28th Jul 2025281 AMAQI
28th Jul 2025302 AMAQI
28th Jul 2025303 AMAQI
29°C24/35°C
28th Jul 2025294 AMAQI
28th Jul 2025285 AMAQI
28th Jul 2025296 AMAQI
28th Jul 2025297 AMAQI
28th Jul 2025298 AMAQI
28th Jul 2025229 AMAQI
28th Jul 20252410 AMAQI
28th Jul 20252311 AMAQI
28th Jul 20252612 PMAQI
28th Jul 2025321 PMAQI
28th Jul 2025282 PMAQI
28th Jul 2025243 PMAQI
28th Jul 2025234 PMAQI
28th Jul 2025255 PMAQI
28th Jul 2025256 PMAQI
28th Jul 2025287 PMAQI
28th Jul 2025308 PMAQI
28th Jul 2025349 PMAQI
28th Jul 20253410 PMAQI
28th Jul 20253211 PMAQI
29th Jul 20252912 AMAQI
29th Jul 2025321 AMAQI
29th Jul 2025282 AMAQI
29th Jul 2025283 AMAQI
30°C25/36°C
29th Jul 2025284 AMAQI
29th Jul 2025275 AMAQI
29th Jul 2025276 AMAQI
29th Jul 2025277 AMAQI
29th Jul 2025288 AMAQI
29th Jul 2025329 AMAQI
29th Jul 20253710 AMAQI
29th Jul 20254311 AMAQI
29th Jul 20254412 PMAQI
29th Jul 2025521 PMAQI
29th Jul 2025512 PMAQI
29th Jul 2025503 PMAQI
29th Jul 2025534 PMAQI
29th Jul 2025555 PMAQI
29th Jul 2025566 PMAQI
29th Jul 2025557 PMAQI
29th Jul 2025368 PMAQI
29th Jul 2025379 PMAQI
29th Jul 20253910 PMAQI
29th Jul 20253711 PMAQI
30th Jul 20253512 AMAQI
30th Jul 2025341 AMAQI
30th Jul 2025282 AMAQI
30th Jul 2025283 AMAQI
30°C25/36°C
30th Jul 2025304 AMAQI
30th Jul 2025325 AMAQI
30th Jul 2025326 AMAQI
30th Jul 2025327 AMAQI
30th Jul 2025328 AMAQI
30th Jul 2025419 AMAQI
30th Jul 20254310 AMAQI
30th Jul 20254811 AMAQI
30th Jul 20255612 PMAQI
30th Jul 2025531 PMAQI
30th Jul 2025552 PMAQI
30th Jul 2025543 PMAQI
30th Jul 2025564 PMAQI
30th Jul 2025555 PMAQI
30th Jul 2025556 PMAQI
30th Jul 2025607 PMAQI
30th Jul 2025598 PMAQI
30th Jul 2025489 PMAQI
30th Jul 20254010 PMAQI
30th Jul 20253811 PMAQI
31st Jul 20253812 AMAQI
31st Jul 2025361 AMAQI
31st Jul 2025322 AMAQI
31st Jul 2025323 AMAQI
30°C26/37°C
31st Jul 2025324 AMAQI
31st Jul 2025325 AMAQI
31st Jul 2025326 AMAQI
31st Jul 2025327 AMAQI
31st Jul 2025328 AMAQI
31st Jul 2025329 AMAQI
31st Jul 20253210 AMAQI
31st Jul 20254211 AMAQI
31st Jul 20254812 PMAQI
31st Jul 2025541 PMAQI
31st Jul 2025582 PMAQI
31st Jul 2025573 PMAQI
31st Jul 2025574 PMAQI
31st Jul 2025545 PMAQI
31st Jul 2025516 PMAQI
31st Jul 2025537 PMAQI
31st Jul 2025488 PMAQI
31st Jul 2025379 PMAQI
31st Jul 20253710 PMAQI
31st Jul 20253711 PMAQI
1st Aug 20253512 AMAQI
1st Aug 2025321 AMAQI
1st Aug 2025322 AMAQI
1st Aug 2025293 AMAQI
30°C25/36°C
1st Aug 2025334 AMAQI
1st Aug 2025335 AMAQI
1st Aug 2025346 AMAQI
1st Aug 2025347 AMAQI
1st Aug 2025348 AMAQI
1st Aug 2025449 AMAQI
1st Aug 20254710 AMAQI
1st Aug 20255611 AMAQI
1st Aug 20255412 PMAQI
1st Aug 2025581 PMAQI
1st Aug 2025582 PMAQI
1st Aug 2025613 PMAQI
1st Aug 2025624 PMAQI
1st Aug 2025625 PMAQI
1st Aug 2025606 PMAQI
1st Aug 2025597 PMAQI
1st Aug 2025568 PMAQI
1st Aug 2025509 PMAQI
1st Aug 20254610 PMAQI
1st Aug 20254411 PMAQI
2nd Aug 20254112 AMAQI
2nd Aug 2025341 AMAQI
2nd Aug 2025342 AMAQI
2nd Aug 2025343 AMAQI
29°C25/35°C
2nd Aug 2025374 AMAQI
2nd Aug 2025405 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025539 AMAQI
2nd Aug 20254910 AMAQI
2nd Aug 20255311 AMAQI
2nd Aug 20255012 PMAQI
2nd Aug 2025541 PMAQI
2nd Aug 2025582 PMAQI
2nd Aug 2025603 PMAQI
2nd Aug 2025544 PMAQI
2nd Aug 2025565 PMAQI
2nd Aug 2025566 PMAQI
2nd Aug 2025527 PMAQI
2nd Aug 2025498 PMAQI
2nd Aug 2025439 PMAQI
2nd Aug 20253810 PMAQI
2nd Aug 20254411 PMAQI
3rd Aug 20254512 AMAQI
3rd Aug 2025401 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025383 AMAQI
29°C26/34°C
3rd Aug 2025414 AMAQI
3rd Aug 2025435 AMAQI
3rd Aug 2025416 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025418 AMAQI
3rd Aug 2025449 AMAQI
3rd Aug 20255110 AMAQI
3rd Aug 20255411 AMAQI
3rd Aug 20255912 PMAQI
3rd Aug 2025581 PMAQI
3rd Aug 2025632 PMAQI
3rd Aug 2025553 PMAQI
3rd Aug 2025594 PMAQI
3rd Aug 2025575 PMAQI
3rd Aug 2025586 PMAQI
3rd Aug 2025577 PMAQI
3rd Aug 2025558 PMAQI
3rd Aug 2025509 PMAQI
3rd Aug 20255110 PMAQI
3rd Aug 20254811 PMAQI
4th Aug 20254312 AMAQI
4th Aug 2025401 AMAQI
4th Aug 2025412 AMAQI
4th Aug 2025403 AMAQI
31°C26/37°C
4th Aug 2025444 AMAQI
4th Aug 2025465 AMAQI
4th Aug 2025476 AMAQI
4th Aug 2025467 AMAQI
4th Aug 2025448 AMAQI
4th Aug 2025659 AMAQI
4th Aug 20257810 AMAQI
4th Aug 20258811 AMAQI
4th Aug 20258312 PMAQI
4th Aug 2025881 PMAQI
4th Aug 2025942 PMAQI
4th Aug 2025873 PMAQI
4th Aug 2025824 PMAQI
4th Aug 2025925 PMAQI
4th Aug 2025806 PMAQI
4th Aug 2025727 PMAQI
4th Aug 2025628 PMAQI
4th Aug 2025579 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20255111 PMAQI
5th Aug 20255312 AMAQI
5th Aug 2025491 AMAQI
5th Aug 2025432 AMAQI
5th Aug 2025433 AMAQI
31°C26/36°C
5th Aug 2025524 AMAQI
5th Aug 2025565 AMAQI
5th Aug 2025566 AMAQI
5th Aug 2025567 AMAQI
5th Aug 2025558 AMAQI
5th Aug 2025589 AMAQI
5th Aug 20256210 AMAQI
5th Aug 20255811 AMAQI
5th Aug 20255812 PMAQI
5th Aug 2025561 PMAQI
5th Aug 2025572 PMAQI
5th Aug 2025513 PMAQI
5th Aug 2025544 PMAQI
5th Aug 2025535 PMAQI
5th Aug 2025506 PMAQI
5th Aug 2025527 PMAQI
5th Aug 2025528 PMAQI
5th Aug 2025529 PMAQI
5th Aug 20255210 PMAQI
5th Aug 20254711 PMAQI
6th Aug 20255012 AMAQI
6th Aug 2025521 AMAQI
6th Aug 2025522 AMAQI
6th Aug 2025523 AMAQI
30°C25/35°C
6th Aug 2025534 AMAQI
6th Aug 2025535 AMAQI
6th Aug 2025536 AMAQI
6th Aug 2025527 AMAQI
6th Aug 2025538 AMAQI
6th Aug 2025429 AMAQI
6th Aug 20253810 AMAQI
6th Aug 20255011 AMAQI
6th Aug 20255012 PMAQI
6th Aug 2025501 PMAQI
6th Aug 2025502 PMAQI
6th Aug 2025463 PMAQI
6th Aug 2025504 PMAQI
6th Aug 2025565 PMAQI
6th Aug 2025556 PMAQI
6th Aug 2025577 PMAQI
6th Aug 2025568 PMAQI
6th Aug 2025559 PMAQI
6th Aug 20255510 PMAQI
6th Aug 20255611 PMAQI
7th Aug 20255512 AMAQI
7th Aug 2025521 AMAQI
7th Aug 2025522 AMAQI
7th Aug 2025523 AMAQI
31°C26/35°C
7th Aug 2025524 AMAQI
7th Aug 2025525 AMAQI
7th Aug 2025516 AMAQI
7th Aug 2025487 AMAQI
7th Aug 2025528 AMAQI
7th Aug 2025529 AMAQI
7th Aug 20255310 AMAQI
7th Aug 20255211 AMAQI
7th Aug 20254612 PMAQI
7th Aug 2025371 PMAQI
7th Aug 2025322 PMAQI
7th Aug 2025313 PMAQI
7th Aug 2025354 PMAQI
7th Aug 2025405 PMAQI
7th Aug 2025466 PMAQI
7th Aug 2025507 PMAQI
7th Aug 2025488 PMAQI
7th Aug 2025429 PMAQI
7th Aug 20254110 PMAQI
7th Aug 20254211 PMAQI
8th Aug 20254412 AMAQI
8th Aug 2025471 AMAQI
8th Aug 2025522 AMAQI
--°C/°C
4 AM
11 AM
7 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 - 12 PM
39AQI
4 hours / Day
120 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 12 PM (Avg. 39).
Night time
Avg. Highest Time
2 AM - 3 AM
47AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
8 PM - 11 PM
44AQI
4 hours / Day
120 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 8 PM to 11 PM (Avg. 44).
2025 Days Vs Air Quality
Kusatsucho, Kusatsu, Shiga, Japan
2025
72%
158
28%
60
Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)
Good
158 DaysModerate
60 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 72%
Health Risk Level:
Low
In 2025, 72% of 219 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
Kusatsucho, Kusatsu, Shiga, 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
37AQI
37AQI
3rd January 2025
30AQI
30AQI
4th January 2025
30AQI
30AQI
5th January 2025
29AQI
29AQI
6th January 2025
38AQI
38AQI
7th January 2025
35AQI
35AQI
8th January 2025
31AQI
31AQI
9th January 2025
33AQI
33AQI
10th January 2025
25AQI
25AQI
11th January 2025
26AQI
26AQI
12th January 2025
42AQI
42AQI
13th January 2025
31AQI
31AQI
14th January 2025
53AQI
53AQI
15th January 2025
40AQI
40AQI
16th January 2025
37AQI
37AQI
17th January 2025
33AQI
33AQI
18th January 2025
32AQI
32AQI
19th January 2025
40AQI
40AQI
20th January 2025
44AQI
44AQI
21st January 2025
38AQI
38AQI
22nd January 2025
48AQI
48AQI
23rd January 2025
69AQI
69AQI
24th January 2025
60AQI
60AQI
25th January 2025
45AQI
45AQI
26th January 2025
39AQI
39AQI
27th January 2025
35AQI
35AQI
28th January 2025
35AQI
35AQI
29th January 2025
32AQI
32AQI
30th January 2025
38AQI
38AQI
31st January 2025
76AQI
76AQI
1st February 2025
71AQI
71AQI
2nd February 2025
48AQI
48AQI
3rd February 2025
53AQI
53AQI
4th February 2025
38AQI
38AQI
5th February 2025
38AQI
38AQI
6th February 2025
33AQI
33AQI
7th February 2025
39AQI
39AQI
8th February 2025
30AQI
30AQI
9th February 2025
32AQI
32AQI
10th February 2025
29AQI
29AQI
11th February 2025
30AQI
30AQI
12th February 2025
37AQI
37AQI
13th February 2025
31AQI
31AQI
14th February 2025
34AQI
34AQI
15th February 2025
29AQI
29AQI
16th February 2025
39AQI
39AQI
17th February 2025
38AQI
38AQI
18th February 2025
32AQI
32AQI
19th February 2025
31AQI
31AQI
20th February 2025
29AQI
29AQI
21st February 2025
30AQI
30AQI
22nd February 2025
30AQI
30AQI
23rd February 2025
32AQI
32AQI
24th February 2025
31AQI
31AQI
25th February 2025
39AQI
39AQI
26th February 2025
47AQI
47AQI
27th February 2025
61AQI
61AQI
28th February 2025
68AQI
68AQI
1st March 2025
75AQI
75AQI
2nd March 2025
82AQI
82AQI
3rd March 2025
48AQI
48AQI
4th March 2025
47AQI
47AQI
5th March 2025
37AQI
37AQI
6th March 2025
39AQI
39AQI
7th March 2025
37AQI
37AQI
8th March 2025
38AQI
38AQI
9th March 2025
37AQI
37AQI
10th March 2025
40AQI
40AQI
11th March 2025
37AQI
37AQI
12th March 2025
33AQI
33AQI
13th March 2025
49AQI
49AQI
14th March 2025
40AQI
40AQI
15th March 2025
39AQI
39AQI
16th March 2025
22AQI
22AQI
17th March 2025
26AQI
26AQI
18th March 2025
28AQI
28AQI
19th March 2025
27AQI
27AQI
20th March 2025
43AQI
43AQI
21st March 2025
58AQI
58AQI
22nd March 2025
61AQI
61AQI
23rd March 2025
74AQI
74AQI
24th March 2025
76AQI
76AQI
25th March 2025
77AQI
77AQI
26th March 2025
81AQI
81AQI
27th March 2025
85AQI
85AQI
28th March 2025
45AQI
45AQI
29th March 2025
48AQI
48AQI
30th March 2025
33AQI
33AQI
31st March 2025
37AQI
37AQI
1st April 2025
31AQI
31AQI
2nd April 2025
30AQI
30AQI
3rd April 2025
22AQI
22AQI
4th April 2025
24AQI
24AQI
5th April 2025
40AQI
40AQI
6th April 2025
38AQI
38AQI
7th April 2025
48AQI
48AQI
8th April 2025
48AQI
48AQI
9th April 2025
46AQI
46AQI
10th April 2025
54AQI
54AQI
11th April 2025
52AQI
52AQI
12th April 2025
51AQI
51AQI
13th April 2025
31AQI
31AQI
14th April 2025
48AQI
48AQI
15th April 2025
25AQI
25AQI
16th April 2025
48AQI
48AQI
17th April 2025
49AQI
49AQI
18th April 2025
61AQI
61AQI
19th April 2025
61AQI
61AQI
20th April 2025
52AQI
52AQI
21st April 2025
44AQI
44AQI
22nd April 2025
50AQI
50AQI
23rd April 2025
25AQI
25AQI
24th April 2025
26AQI
26AQI
25th April 2025
63AQI
63AQI
26th April 2025
53AQI
53AQI
27th April 2025
62AQI
62AQI
28th April 2025
47AQI
47AQI
29th April 2025
57AQI
57AQI
30th April 2025
65AQI
65AQI
1st May 2025
56AQI
56AQI
2nd May 2025
38AQI
38AQI
3rd May 2025
47AQI
47AQI
4th May 2025
39AQI
39AQI
5th May 2025
45AQI
45AQI
6th May 2025
26AQI
26AQI
7th May 2025
29AQI
29AQI
8th May 2025
31AQI
31AQI
9th May 2025
33AQI
33AQI
10th May 2025
28AQI
28AQI
11th May 2025
33AQI
33AQI
12th May 2025
46AQI
46AQI
13th May 2025
53AQI
53AQI
14th May 2025
60AQI
60AQI
15th May 2025
55AQI
55AQI
16th May 2025
56AQI
56AQI
17th May 2025
41AQI
41AQI
18th May 2025
51AQI
51AQI
19th May 2025
52AQI
52AQI
20th May 2025
67AQI
67AQI
21st May 2025
50AQI
50AQI
22nd May 2025
35AQI
35AQI
23rd May 2025
53AQI
53AQI
24th May 2025
38AQI
38AQI
25th May 2025
27AQI
27AQI
26th May 2025
29AQI
29AQI
27th May 2025
31AQI
31AQI
28th May 2025
28AQI
28AQI
29th May 2025
39AQI
39AQI
30th May 2025
35AQI
35AQI
31st May 2025
32AQI
32AQI
1st June 2025
38AQI
38AQI
2nd June 2025
48AQI
48AQI
3rd June 2025
27AQI
27AQI
4th June 2025
43AQI
43AQI
5th June 2025
40AQI
40AQI
6th June 2025
45AQI
45AQI
7th June 2025
52AQI
52AQI
8th June 2025
64AQI
64AQI
9th June 2025
44AQI
44AQI
10th June 2025
29AQI
29AQI
11th June 2025
34AQI
34AQI
12th June 2025
41AQI
41AQI
13th June 2025
47AQI
47AQI
14th June 2025
31AQI
31AQI
15th June 2025
26AQI
26AQI
16th June 2025
40AQI
40AQI
17th June 2025
38AQI
38AQI
18th June 2025
49AQI
49AQI
19th June 2025
53AQI
53AQI
20th June 2025
58AQI
58AQI
21st June 2025
54AQI
54AQI
22nd June 2025
54AQI
54AQI
23rd June 2025
43AQI
43AQI
24th June 2025
36AQI
36AQI
25th June 2025
36AQI
36AQI
26th June 2025
34AQI
34AQI
27th June 2025
50AQI
50AQI
28th June 2025
42AQI
42AQI
29th June 2025
48AQI
48AQI
30th June 2025
56AQI
56AQI
1st July 2025
64AQI
64AQI
2nd July 2025
94AQI
94AQI
3rd July 2025
80AQI
80AQI
4th July 2025
90AQI
90AQI
5th July 2025
93AQI
93AQI
6th July 2025
80AQI
80AQI
7th July 2025
68AQI
68AQI
8th July 2025
77AQI
77AQI
9th July 2025
85AQI
85AQI
10th July 2025
65AQI
65AQI
11th July 2025
54AQI
54AQI
12th July 2025
55AQI
55AQI
13th July 2025
52AQI
52AQI
14th July 2025
41AQI
41AQI
15th July 2025
48AQI
48AQI
16th July 2025
48AQI
48AQI
17th July 2025
35AQI
35AQI
18th July 2025
37AQI
37AQI
19th July 2025
34AQI
34AQI
20th July 2025
32AQI
32AQI
21st July 2025
32AQI
32AQI
22nd July 2025
35AQI
35AQI
23rd July 2025
41AQI
41AQI
24th July 2025
40AQI
40AQI
25th July 2025
34AQI
34AQI
26th July 2025
27AQI
27AQI
27th July 2025
27AQI
27AQI
28th July 2025
28AQI
28AQI
29th July 2025
39AQI
39AQI
30th July 2025
43AQI
43AQI
31st July 2025
41AQI
41AQI
1st August 2025
46AQI
46AQI
2nd August 2025
45AQI
45AQI
3rd August 2025
49AQI
49AQI
4th August 2025
62AQI
62AQI
5th August 2025
53AQI
53AQI
6th August 2025
51AQI
51AQI
39AQI
39AQI
48AQI
45AQI
41AQI
43AQI
52AQI
51AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202544AQI
27
4
24
4
22
9
19
11
22
9
23
7
18
13
3
3
158
60
Highest AQI recorded in
July52AQI
Lowest AQI recorded in
February39AQI
202437AQI
27
3
1
27
2
23
8
20
9
1
28
3
27
3
27
4
29
2
28
2
30
1
27
3
31
324
40
2
Highest AQI recorded in
April49AQI
Lowest AQI recorded in
October30AQI
202340AQI
25
6
24
4
20
11
16
14
27
4
22
8
26
5
31
28
2
30
1
23
6
24
7
296
68
Highest AQI recorded in
April50AQI
Lowest AQI recorded in
August28AQI
202239AQI
30
1
17
4
19
12
13
4
18
13
23
7
19
3
1
28
1
31
24
6
30
1
253
52
Highest AQI recorded in
March48AQI
Lowest AQI recorded in
August26AQI
202136AQI
25
6
20
8
26
5
19
2
27
4
25
5
29
2
29
2
28
2
31
25
5
26
5
310
46
Highest AQI recorded in
June42AQI
Lowest AQI recorded in
August29AQI
202034AQI
11
2
18
3
17
1
24
6
28
3
15
16
18
1
31
26
4
28
3
216
39
Highest AQI recorded in
August51AQI
Lowest AQI recorded in
July26AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
44AQILeast Polluted Year Recorded
2020(Avg.)
34AQIKusatsucho's annual 2025 AQI (44) shows an average percentage change of 19.2% (worsened AQI) compared to previous years: 2020 (34), 2021 (36), 2022 (39), 2023 (40), 2024 (37).
