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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Ishiyamadera, 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

Ishiyamadera, Kusatsu, Shiga, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
4th Aug 2025
62AQI
Lowest AQI recorded on
29th Aug 2024
14AQI

Same Day Analysis (16th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 25 of Good air quality, showing improvement over 2025 and 2023 on the same day.

Day & Night AQI Trend: 15th Aug - 16th Aug 2026

Ishiyamadera, Kusatsu, Shiga, Japan

AQI
Day
Night
.

5 AM15th Aug 2026

6 PM

4 AM16th Aug 2026

Day time
Avg. Highest Time
11AM15th Aug

29AQI

Avg. Lowest Time
3PM15th Aug

19AQI

Night time
Avg. Highest Time
3AM16th Aug

33AQI

Avg. Lowest Time
7PM15th Aug

19AQI

In the last 24 hours,

Ishiyamadera's AQI reached its highest point of 33 at 3 AM during the Night, while the lowest point, 19, was recorded at 7 PM during the Night between 15th Aug and 16th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Ishiyamadera, Kusatsu, Shiga, Japan

JulAug
18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th
Day
Night
18th Jul 2026535 AMAQI
18th Jul 2026526 AMAQI
18th Jul 2026547 AMAQI
18th Jul 2026548 AMAQI
18th Jul 2026539 AMAQI
18th Jul 20265710 AMAQI
18th Jul 20265711 AMAQI
18th Jul 20265612 PMAQI
18th Jul 2026541 PMAQI
18th Jul 2026602 PMAQI
18th Jul 2026573 PMAQI
18th Jul 2026594 PMAQI
18th Jul 2026585 PMAQI
18th Jul 2026586 PMAQI
18th Jul 2026527 PMAQI
18th Jul 2026468 PMAQI
18th Jul 2026429 PMAQI
18th Jul 20264610 PMAQI
18th Jul 20264411 PMAQI
19th Jul 20264612 AMAQI
19th Jul 2026401 AMAQI
19th Jul 2026422 AMAQI
19th Jul 2026423 AMAQI
19th Jul 2026424 AMAQI

29°C26/33°C

19th Jul 2026405 AMAQI
19th Jul 2026386 AMAQI
19th Jul 2026387 AMAQI
19th Jul 2026368 AMAQI
19th Jul 2026409 AMAQI
19th Jul 20263810 AMAQI
19th Jul 20264211 AMAQI
19th Jul 20263812 PMAQI
19th Jul 2026381 PMAQI
19th Jul 2026362 PMAQI
19th Jul 2026403 PMAQI
19th Jul 2026364 PMAQI
19th Jul 2026405 PMAQI
19th Jul 2026336 PMAQI
19th Jul 2026367 PMAQI
19th Jul 2026298 PMAQI
19th Jul 2026259 PMAQI
19th Jul 20262510 PMAQI
19th Jul 20262911 PMAQI
20th Jul 20263412 AMAQI
20th Jul 2026291 AMAQI
20th Jul 2026312 AMAQI
20th Jul 2026293 AMAQI
20th Jul 2026274 AMAQI

29°C24/33°C

20th Jul 2026275 AMAQI
20th Jul 2026256 AMAQI
20th Jul 2026317 AMAQI
20th Jul 2026298 AMAQI
20th Jul 2026299 AMAQI
20th Jul 20263310 AMAQI
20th Jul 20264211 AMAQI
20th Jul 20264412 PMAQI
20th Jul 2026521 PMAQI
20th Jul 2026542 PMAQI
20th Jul 2026533 PMAQI
20th Jul 2026534 PMAQI
20th Jul 2026535 PMAQI
20th Jul 2026536 PMAQI
20th Jul 2026427 PMAQI
20th Jul 2026428 PMAQI
20th Jul 2026429 PMAQI
20th Jul 20264710 PMAQI
20th Jul 20265211 PMAQI
21st Jul 20265612 AMAQI
21st Jul 2026561 AMAQI
21st Jul 2026592 AMAQI
21st Jul 2026583 AMAQI
21st Jul 2026584 AMAQI

30°C25/35°C

21st Jul 2026625 AMAQI
21st Jul 2026646 AMAQI
21st Jul 2026597 AMAQI
21st Jul 2026598 AMAQI
21st Jul 2026649 AMAQI
21st Jul 20266710 AMAQI
21st Jul 20266711 AMAQI
21st Jul 2026681 PMAQI
21st Jul 2026702 PMAQI
21st Jul 2026663 PMAQI
21st Jul 2026644 PMAQI
21st Jul 2026675 PMAQI
21st Jul 2026736 PMAQI
21st Jul 20261127 PMAQI
21st Jul 2026828 PMAQI
21st Jul 2026829 PMAQI
21st Jul 20266710 PMAQI
21st Jul 20267011 PMAQI
22nd Jul 20267212 AMAQI
22nd Jul 2026691 AMAQI
22nd Jul 2026732 AMAQI
22nd Jul 2026693 AMAQI
22nd Jul 2026684 AMAQI

30°C26/36°C

22nd Jul 2026665 AMAQI
22nd Jul 2026676 AMAQI
22nd Jul 2026667 AMAQI
22nd Jul 2026648 AMAQI
22nd Jul 2026679 AMAQI
22nd Jul 20266610 AMAQI
22nd Jul 20267011 AMAQI
22nd Jul 20267812 PMAQI
22nd Jul 2026831 PMAQI
22nd Jul 2026842 PMAQI
22nd Jul 2026903 PMAQI
22nd Jul 2026864 PMAQI
22nd Jul 2026955 PMAQI
22nd Jul 2026826 PMAQI
22nd Jul 2026817 PMAQI
22nd Jul 2026878 PMAQI
22nd Jul 20261059 PMAQI
22nd Jul 20268810 PMAQI
22nd Jul 20266511 PMAQI
23rd Jul 20268312 AMAQI
23rd Jul 2026711 AMAQI
23rd Jul 2026652 AMAQI
23rd Jul 2026663 AMAQI
23rd Jul 2026824 AMAQI

31°C26/37°C

23rd Jul 2026725 AMAQI
23rd Jul 2026576 AMAQI
23rd Jul 2026627 AMAQI
23rd Jul 2026688 AMAQI
23rd Jul 2026589 AMAQI
23rd Jul 20267410 AMAQI
23rd Jul 20267611 AMAQI
23rd Jul 20267212 PMAQI
23rd Jul 2026671 PMAQI
23rd Jul 2026552 PMAQI
23rd Jul 2026553 PMAQI
23rd Jul 2026544 PMAQI
23rd Jul 2026625 PMAQI
23rd Jul 2026666 PMAQI
23rd Jul 2026487 PMAQI
23rd Jul 2026168 PMAQI
23rd Jul 2026299 PMAQI
23rd Jul 20262510 PMAQI
23rd Jul 20261911 PMAQI
24th Jul 20262312 AMAQI
24th Jul 2026171 AMAQI
24th Jul 2026362 AMAQI
24th Jul 2026253 AMAQI
24th Jul 2026144 AMAQI

31°C26/37°C

24th Jul 2026235 AMAQI
24th Jul 2026336 AMAQI
24th Jul 2026257 AMAQI
24th Jul 2026218 AMAQI
24th Jul 2026369 AMAQI
24th Jul 20264010 AMAQI
24th Jul 20262911 AMAQI
24th Jul 20262712 PMAQI
24th Jul 2026521 PMAQI
24th Jul 2026622 PMAQI
24th Jul 2026363 PMAQI
24th Jul 2026364 PMAQI
24th Jul 2026365 PMAQI
24th Jul 2026216 PMAQI
24th Jul 2026507 PMAQI
24th Jul 2026238 PMAQI
24th Jul 2026469 PMAQI
24th Jul 20262510 PMAQI
24th Jul 20262511 PMAQI
25th Jul 20264612 AMAQI
25th Jul 2026401 AMAQI
25th Jul 2026402 AMAQI
25th Jul 2026313 AMAQI
25th Jul 2026274 AMAQI

31°C25/37°C

25th Jul 2026275 AMAQI
25th Jul 2026466 AMAQI
25th Jul 2026447 AMAQI
25th Jul 2026258 AMAQI
25th Jul 2026409 AMAQI
25th Jul 20264210 AMAQI
25th Jul 20265111 AMAQI
25th Jul 20265112 PMAQI
25th Jul 2026521 PMAQI
25th Jul 2026522 PMAQI
25th Jul 2026513 PMAQI
25th Jul 2026504 PMAQI
25th Jul 2026505 PMAQI
25th Jul 2026446 PMAQI
25th Jul 2026467 PMAQI
25th Jul 2026408 PMAQI
25th Jul 2026339 PMAQI
25th Jul 20263110 PMAQI
25th Jul 20263611 PMAQI
26th Jul 20263612 AMAQI
26th Jul 2026361 AMAQI
26th Jul 2026332 AMAQI
26th Jul 2026383 AMAQI
26th Jul 2026334 AMAQI

30°C25/36°C

26th Jul 2026335 AMAQI
26th Jul 2026366 AMAQI
26th Jul 2026337 AMAQI
26th Jul 2026368 AMAQI
26th Jul 2026389 AMAQI
26th Jul 20264610 AMAQI
26th Jul 20264611 AMAQI
26th Jul 20265212 PMAQI
26th Jul 2026531 PMAQI
26th Jul 2026502 PMAQI
26th Jul 2026543 PMAQI
26th Jul 2026424 PMAQI
26th Jul 2026405 PMAQI
26th Jul 2026406 PMAQI
26th Jul 2026337 PMAQI
26th Jul 2026298 PMAQI
26th Jul 2026279 PMAQI
26th Jul 20262110 PMAQI
26th Jul 20262311 PMAQI
27th Jul 20263312 AMAQI
27th Jul 2026271 AMAQI
27th Jul 2026272 AMAQI
27th Jul 2026253 AMAQI
27th Jul 2026294 AMAQI

29°C24/36°C

27th Jul 2026275 AMAQI
27th Jul 2026276 AMAQI
27th Jul 2026277 AMAQI
27th Jul 2026278 AMAQI
27th Jul 2026339 AMAQI
27th Jul 20264610 AMAQI
27th Jul 20262911 AMAQI
27th Jul 20262112 PMAQI
27th Jul 2026271 PMAQI
27th Jul 2026212 PMAQI
27th Jul 2026213 PMAQI
27th Jul 2026234 PMAQI
27th Jul 2026255 PMAQI
27th Jul 2026216 PMAQI
27th Jul 2026237 PMAQI
27th Jul 2026258 PMAQI
27th Jul 2026259 PMAQI
27th Jul 20262310 PMAQI
27th Jul 20262511 PMAQI
28th Jul 20262312 AMAQI
28th Jul 2026231 AMAQI
28th Jul 2026252 AMAQI
28th Jul 2026233 AMAQI
28th Jul 2026214 AMAQI

29°C25/35°C

28th Jul 2026215 AMAQI
28th Jul 2026216 AMAQI
28th Jul 2026217 AMAQI
28th Jul 2026218 AMAQI
28th Jul 2026319 AMAQI
28th Jul 20263610 AMAQI
28th Jul 20263611 AMAQI
28th Jul 20264812 PMAQI
28th Jul 2026581 PMAQI
28th Jul 2026602 PMAQI
28th Jul 2026443 PMAQI
28th Jul 2026444 PMAQI
28th Jul 2026465 PMAQI
28th Jul 2026466 PMAQI
28th Jul 2026257 PMAQI
28th Jul 2026218 PMAQI
28th Jul 2026219 PMAQI
28th Jul 20262110 PMAQI
28th Jul 20262111 PMAQI
29th Jul 20262512 AMAQI
29th Jul 2026251 AMAQI
29th Jul 2026252 AMAQI
29th Jul 2026213 AMAQI
29th Jul 2026254 AMAQI

27°C24/33°C

29th Jul 2026255 AMAQI
29th Jul 2026256 AMAQI
29th Jul 2026257 AMAQI
29th Jul 2026238 AMAQI
29th Jul 2026299 AMAQI
29th Jul 20263610 AMAQI
29th Jul 20264211 AMAQI
29th Jul 20263612 PMAQI
29th Jul 2026421 PMAQI
29th Jul 2026462 PMAQI
29th Jul 2026463 PMAQI
29th Jul 2026444 PMAQI
29th Jul 2026425 PMAQI
29th Jul 2026386 PMAQI
29th Jul 2026427 PMAQI
29th Jul 2026338 PMAQI
29th Jul 2026369 PMAQI
29th Jul 20263810 PMAQI
29th Jul 20264011 PMAQI
30th Jul 20264212 AMAQI
30th Jul 2026441 AMAQI
30th Jul 2026482 AMAQI
30th Jul 2026483 AMAQI
30th Jul 2026464 AMAQI

27°C23/31°C

30th Jul 2026465 AMAQI
30th Jul 2026446 AMAQI
30th Jul 2026447 AMAQI
30th Jul 2026488 AMAQI
30th Jul 2026469 AMAQI
30th Jul 20264810 AMAQI
30th Jul 20265411 AMAQI
30th Jul 20266012 PMAQI
30th Jul 2026671 PMAQI
30th Jul 2026642 PMAQI
30th Jul 2026603 PMAQI
30th Jul 2026664 PMAQI
30th Jul 2026565 PMAQI
30th Jul 2026466 PMAQI
30th Jul 2026517 PMAQI
30th Jul 2026528 PMAQI
30th Jul 2026429 PMAQI
30th Jul 20264010 PMAQI
30th Jul 20264211 PMAQI
31st Jul 20262912 AMAQI
31st Jul 2026291 AMAQI
31st Jul 2026362 AMAQI
31st Jul 2026313 AMAQI
31st Jul 2026344 AMAQI

30°C25/36°C

31st Jul 2026315 AMAQI
31st Jul 2026276 AMAQI
31st Jul 2026317 AMAQI
31st Jul 2026428 AMAQI
31st Jul 2026509 AMAQI
31st Jul 20264810 AMAQI
31st Jul 20265711 AMAQI
31st Jul 20263612 PMAQI
31st Jul 2026441 PMAQI
31st Jul 2026462 PMAQI
31st Jul 2026403 PMAQI
31st Jul 2026424 PMAQI
31st Jul 2026535 PMAQI
31st Jul 2026386 PMAQI
31st Jul 2026347 PMAQI
31st Jul 2026348 PMAQI
31st Jul 2026299 PMAQI
31st Jul 20262510 PMAQI
31st Jul 20263311 PMAQI
1st Aug 20264012 AMAQI
1st Aug 2026441 AMAQI
1st Aug 2026382 AMAQI
1st Aug 2026293 AMAQI
1st Aug 2026364 AMAQI

29°C24/35°C

1st Aug 2026335 AMAQI
1st Aug 2026386 AMAQI
1st Aug 2026407 AMAQI
1st Aug 2026428 AMAQI
1st Aug 2026449 AMAQI
1st Aug 20265010 AMAQI
1st Aug 20264811 AMAQI
1st Aug 20265212 PMAQI
1st Aug 2026441 PMAQI
1st Aug 2026422 PMAQI
1st Aug 2026383 PMAQI
1st Aug 2026424 PMAQI
1st Aug 2026445 PMAQI
1st Aug 2026386 PMAQI
1st Aug 2026387 PMAQI
1st Aug 2026388 PMAQI
1st Aug 2026429 PMAQI
1st Aug 20263810 PMAQI
1st Aug 20263611 PMAQI
2nd Aug 20263812 AMAQI
2nd Aug 2026361 AMAQI
2nd Aug 2026422 AMAQI
2nd Aug 2026403 AMAQI
2nd Aug 2026444 AMAQI

29°C24/35°C

2nd Aug 2026445 AMAQI
2nd Aug 2026406 AMAQI
2nd Aug 2026407 AMAQI
2nd Aug 2026408 AMAQI
2nd Aug 2026529 AMAQI
2nd Aug 20265610 AMAQI
2nd Aug 20265411 AMAQI
2nd Aug 20264612 PMAQI
2nd Aug 2026441 PMAQI
2nd Aug 2026422 PMAQI
2nd Aug 2026423 PMAQI
2nd Aug 2026384 PMAQI
2nd Aug 2026385 PMAQI
2nd Aug 2026426 PMAQI
2nd Aug 2026447 PMAQI
2nd Aug 2026408 PMAQI
2nd Aug 2026369 PMAQI
2nd Aug 20264010 PMAQI
2nd Aug 20263811 PMAQI
3rd Aug 20263312 AMAQI
3rd Aug 2026381 AMAQI
3rd Aug 2026402 AMAQI
3rd Aug 2026363 AMAQI
3rd Aug 2026364 AMAQI

29°C25/34°C

3rd Aug 2026385 AMAQI
3rd Aug 2026446 AMAQI
3rd Aug 2026487 AMAQI
3rd Aug 2026508 AMAQI
3rd Aug 2026509 AMAQI
3rd Aug 20265110 AMAQI
3rd Aug 20264811 AMAQI
3rd Aug 20265112 PMAQI
3rd Aug 2026511 PMAQI
3rd Aug 2026492 PMAQI
3rd Aug 2026523 PMAQI
3rd Aug 2026504 PMAQI
3rd Aug 2026465 PMAQI
3rd Aug 2026516 PMAQI
3rd Aug 2026517 PMAQI
3rd Aug 2026528 PMAQI
3rd Aug 2026449 PMAQI
3rd Aug 20265010 PMAQI
3rd Aug 20264811 PMAQI
4th Aug 20264412 AMAQI
4th Aug 2026291 AMAQI
4th Aug 2026292 AMAQI
4th Aug 2026233 AMAQI
4th Aug 2026234 AMAQI

29°C25/34°C

4th Aug 2026255 AMAQI
4th Aug 2026256 AMAQI
4th Aug 2026257 AMAQI
4th Aug 2026278 AMAQI
4th Aug 2026239 AMAQI
4th Aug 20262510 AMAQI
4th Aug 20262511 AMAQI
4th Aug 20262512 PMAQI
4th Aug 2026271 PMAQI
4th Aug 2026272 PMAQI
4th Aug 2026293 PMAQI
4th Aug 2026274 PMAQI
4th Aug 2026315 PMAQI
4th Aug 2026296 PMAQI
4th Aug 2026257 PMAQI
4th Aug 2026278 PMAQI
4th Aug 2026219 PMAQI
4th Aug 20262310 PMAQI
4th Aug 20262311 PMAQI
5th Aug 20262512 AMAQI
5th Aug 2026251 AMAQI
5th Aug 2026252 AMAQI
5th Aug 2026253 AMAQI
5th Aug 2026234 AMAQI

28°C25/32°C

5th Aug 2026215 AMAQI
5th Aug 2026236 AMAQI
5th Aug 2026217 AMAQI
5th Aug 2026258 AMAQI
5th Aug 2026279 AMAQI
5th Aug 20262910 AMAQI
5th Aug 20263111 AMAQI
5th Aug 20262912 PMAQI
5th Aug 2026311 PMAQI
5th Aug 2026362 PMAQI
5th Aug 2026333 PMAQI
5th Aug 2026294 PMAQI
5th Aug 2026235 PMAQI
5th Aug 2026256 PMAQI
5th Aug 2026237 PMAQI
5th Aug 2026218 PMAQI
5th Aug 2026219 PMAQI
5th Aug 20262110 PMAQI
5th Aug 20262311 PMAQI
6th Aug 20262712 AMAQI
6th Aug 2026251 AMAQI
6th Aug 2026232 AMAQI
6th Aug 2026213 AMAQI
6th Aug 2026234 AMAQI

28°C23/33°C

6th Aug 2026275 AMAQI
6th Aug 2026256 AMAQI
6th Aug 2026217 AMAQI
6th Aug 2026218 AMAQI
6th Aug 2026219 AMAQI
6th Aug 20262110 AMAQI
6th Aug 20262511 AMAQI
6th Aug 20262512 PMAQI
6th Aug 2026251 PMAQI
6th Aug 2026252 PMAQI
6th Aug 2026253 PMAQI
6th Aug 2026254 PMAQI
6th Aug 2026255 PMAQI
6th Aug 2026216 PMAQI
6th Aug 2026217 PMAQI
6th Aug 2026218 PMAQI
6th Aug 2026219 PMAQI
6th Aug 20262110 PMAQI
6th Aug 20262711 PMAQI
7th Aug 20262312 AMAQI
7th Aug 2026211 AMAQI
7th Aug 2026252 AMAQI
7th Aug 2026253 AMAQI
7th Aug 2026254 AMAQI

28°C25/33°C

7th Aug 2026255 AMAQI
7th Aug 2026256 AMAQI
7th Aug 2026237 AMAQI
7th Aug 2026218 AMAQI
7th Aug 2026259 AMAQI
7th Aug 20262310 AMAQI
7th Aug 20262111 AMAQI
7th Aug 20262312 PMAQI
7th Aug 2026291 PMAQI
7th Aug 2026252 PMAQI
7th Aug 2026253 PMAQI
7th Aug 2026254 PMAQI
7th Aug 2026295 PMAQI
7th Aug 2026256 PMAQI
7th Aug 2026297 PMAQI
7th Aug 2026258 PMAQI
7th Aug 2026259 PMAQI
7th Aug 20262910 PMAQI
7th Aug 20262911 PMAQI
8th Aug 20262512 AMAQI
8th Aug 2026251 AMAQI
8th Aug 2026252 AMAQI
8th Aug 2026253 AMAQI
8th Aug 2026254 AMAQI

29°C25/34°C

8th Aug 2026255 AMAQI
8th Aug 2026236 AMAQI
8th Aug 2026257 AMAQI
8th Aug 2026258 AMAQI
8th Aug 2026259 AMAQI
8th Aug 20262510 AMAQI
8th Aug 20262911 AMAQI
8th Aug 20262512 PMAQI
8th Aug 2026211 PMAQI
8th Aug 2026252 PMAQI
8th Aug 2026253 PMAQI
8th Aug 2026254 PMAQI
8th Aug 2026295 PMAQI
8th Aug 2026256 PMAQI
8th Aug 2026257 PMAQI
8th Aug 2026238 PMAQI
8th Aug 2026219 PMAQI
8th Aug 20262910 PMAQI
8th Aug 20262511 PMAQI
9th Aug 20262512 AMAQI
9th Aug 2026251 AMAQI
9th Aug 2026252 AMAQI
9th Aug 2026253 AMAQI
9th Aug 2026254 AMAQI

29°C24/34°C

9th Aug 2026255 AMAQI
9th Aug 2026296 AMAQI
9th Aug 2026337 AMAQI
9th Aug 2026298 AMAQI
9th Aug 2026219 AMAQI
9th Aug 20262910 AMAQI
9th Aug 20262511 AMAQI
9th Aug 20262912 PMAQI
9th Aug 2026251 PMAQI
9th Aug 2026252 PMAQI
9th Aug 2026253 PMAQI
9th Aug 2026254 PMAQI
9th Aug 2026235 PMAQI
9th Aug 2026296 PMAQI
9th Aug 2026277 PMAQI
9th Aug 2026218 PMAQI
9th Aug 2026259 PMAQI
9th Aug 20262110 PMAQI
9th Aug 20262111 PMAQI
10th Aug 20262112 AMAQI
10th Aug 2026211 AMAQI
10th Aug 2026212 AMAQI
10th Aug 2026213 AMAQI
10th Aug 2026214 AMAQI

28°C25/33°C

10th Aug 2026295 AMAQI
10th Aug 2026256 AMAQI
10th Aug 2026217 AMAQI
10th Aug 2026218 AMAQI
10th Aug 2026219 AMAQI
10th Aug 20262110 AMAQI
10th Aug 20262111 AMAQI
10th Aug 20262512 PMAQI
10th Aug 2026251 PMAQI
10th Aug 2026212 PMAQI
10th Aug 2026213 PMAQI
10th Aug 2026214 PMAQI
10th Aug 2026215 PMAQI
10th Aug 2026216 PMAQI
10th Aug 2026237 PMAQI
10th Aug 2026238 PMAQI
10th Aug 2026219 PMAQI
10th Aug 20262710 PMAQI
10th Aug 20262711 PMAQI
11th Aug 20262512 AMAQI
11th Aug 2026251 AMAQI
11th Aug 2026292 AMAQI
11th Aug 2026253 AMAQI
11th Aug 2026254 AMAQI

27°C23/31°C

11th Aug 2026255 AMAQI
11th Aug 2026276 AMAQI
11th Aug 2026257 AMAQI
11th Aug 2026258 AMAQI
11th Aug 2026259 AMAQI
11th Aug 20262710 AMAQI
11th Aug 20262711 AMAQI
11th Aug 20262512 PMAQI
11th Aug 2026251 PMAQI
11th Aug 2026252 PMAQI
11th Aug 2026253 PMAQI
11th Aug 2026254 PMAQI
11th Aug 2026215 PMAQI
11th Aug 2026216 PMAQI
11th Aug 2026257 PMAQI
11th Aug 2026238 PMAQI
11th Aug 2026219 PMAQI
11th Aug 20262110 PMAQI
11th Aug 20262911 PMAQI
12th Aug 20262512 AMAQI
12th Aug 2026251 AMAQI
12th Aug 2026232 AMAQI
12th Aug 2026253 AMAQI
12th Aug 2026254 AMAQI

25°C21/29°C

12th Aug 2026255 AMAQI
12th Aug 2026256 AMAQI
12th Aug 2026257 AMAQI
12th Aug 2026278 AMAQI
12th Aug 2026299 AMAQI
12th Aug 20262910 AMAQI
12th Aug 20262911 AMAQI
12th Aug 20262512 PMAQI
12th Aug 2026251 PMAQI
12th Aug 2026252 PMAQI
12th Aug 2026253 PMAQI
12th Aug 2026384 PMAQI
12th Aug 2026255 PMAQI
12th Aug 2026216 PMAQI
12th Aug 2026257 PMAQI
12th Aug 2026258 PMAQI
12th Aug 2026339 PMAQI
12th Aug 20262510 PMAQI
12th Aug 20262111 PMAQI
13th Aug 20262512 AMAQI
13th Aug 2026271 AMAQI
13th Aug 2026292 AMAQI
13th Aug 2026293 AMAQI
13th Aug 2026254 AMAQI

24°C23/25°C

13th Aug 2026255 AMAQI
13th Aug 2026256 AMAQI
13th Aug 2026297 AMAQI
13th Aug 2026298 AMAQI
13th Aug 2026259 AMAQI
13th Aug 20262910 AMAQI
13th Aug 20262511 AMAQI
13th Aug 20262512 PMAQI
13th Aug 2026231 PMAQI
13th Aug 2026252 PMAQI
13th Aug 2026253 PMAQI
13th Aug 2026254 PMAQI
13th Aug 2026255 PMAQI
13th Aug 2026296 PMAQI
13th Aug 2026217 PMAQI
13th Aug 2026258 PMAQI
13th Aug 2026339 PMAQI
13th Aug 20262510 PMAQI
13th Aug 20262711 PMAQI
14th Aug 20262112 AMAQI
14th Aug 2026291 AMAQI
14th Aug 2026252 AMAQI
14th Aug 2026253 AMAQI
14th Aug 2026254 AMAQI

25°C23/27°C

14th Aug 2026335 AMAQI
14th Aug 2026256 AMAQI
14th Aug 2026297 AMAQI
14th Aug 2026258 AMAQI
14th Aug 2026299 AMAQI
14th Aug 20262910 AMAQI
14th Aug 20264411 AMAQI
14th Aug 20263612 PMAQI
14th Aug 2026381 PMAQI
14th Aug 2026362 PMAQI
14th Aug 2026273 PMAQI
14th Aug 2026254 PMAQI
14th Aug 2026215 PMAQI
14th Aug 2026216 PMAQI
14th Aug 2026317 PMAQI
14th Aug 2026258 PMAQI
14th Aug 2026239 PMAQI
14th Aug 20262710 PMAQI
14th Aug 20262311 PMAQI
15th Aug 20262112 AMAQI
15th Aug 2026271 AMAQI
15th Aug 2026332 AMAQI
15th Aug 2026333 AMAQI
15th Aug 2026334 AMAQI

27°C23/32°C

15th Aug 2026215 AMAQI
15th Aug 2026256 AMAQI
15th Aug 2026277 AMAQI
15th Aug 2026218 AMAQI
15th Aug 2026219 AMAQI
15th Aug 20262310 AMAQI
15th Aug 20262911 AMAQI
15th Aug 20262512 PMAQI
15th Aug 2026251 PMAQI
15th Aug 2026192 PMAQI
15th Aug 2026193 PMAQI
15th Aug 2026234 PMAQI
15th Aug 2026215 PMAQI
15th Aug 2026236 PMAQI
15th Aug 2026197 PMAQI
15th Aug 2026258 PMAQI
15th Aug 2026219 PMAQI
15th Aug 20262510 PMAQI
15th Aug 20262511 PMAQI
16th Aug 20262512 AMAQI
16th Aug 2026251 AMAQI
16th Aug 2026252 AMAQI
16th Aug 2026333 AMAQI
16th Aug 2026254 AMAQI

26°C23/31°C

16th Aug 2026255 AMAQI
5 AM
16th Aug 2026256 AMAQI
16th Aug 2026237 AMAQI
16th Aug 2026218 AMAQI
16th Aug 2026219 AMAQI
16th Aug 20262110 AMAQI
16th Aug 20262511 AMAQI
11 AM
16th Aug 20262912 PMAQI
16th Aug 2026291 PMAQI
16th Aug 2026252 PMAQI
16th Aug 2026253 PMAQI
16th Aug 2026234 PMAQI
16th Aug 2026255 PMAQI
16th Aug 2026256 PMAQI
6 PM
16th Aug 2026257 PMAQI
16th Aug 2026258 PMAQI
16th Aug 2026259 PMAQI
16th Aug 20262510 PMAQI
16th Aug 20262111 PMAQI
11 PM
4 AM

26°C24/30°C

Day time
Avg. Highest Time
1 PM - 2 PM

41AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
5 AM

33AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 2 PM (Avg. 41), while the lowest AQI was between 5 AM to 5 AM (Avg. 33).
Night time
Avg. Highest Time
7 PM

38AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
10 PM - 11 PM

32AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 7 PM (Avg. 38), while the lowest AQI was between 10 PM to 11 PM (Avg. 32).

2026 Days Vs Air Quality

Ishiyamadera, Kusatsu, Shiga, Japan

2026

79%

181

21%

47

Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)

Good
181 Days
Moderate
47 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 79%

Health Risk Level:

Low

In 2026, 79% of 228 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

Ishiyamadera, Kusatsu, Shiga, Japan

AQI levels in 2026

AQI (US)
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 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
17AQI (US)
2nd January 2026
14AQI (US)
3rd January 2026
13AQI (US)
4th January 2026
26AQI (US)
5th January 2026
47AQI (US)
6th January 2026
16AQI (US)
7th January 2026
22AQI (US)
8th January 2026
27AQI (US)
9th January 2026
15AQI (US)
10th January 2026
22AQI (US)
11th January 2026
22AQI (US)
12th January 2026
24AQI (US)
13th January 2026
24AQI (US)
14th January 2026
21AQI (US)
15th January 2026
28AQI (US)
16th January 2026
51AQI (US)
17th January 2026
53AQI (US)
18th January 2026
41AQI (US)
19th January 2026
38AQI (US)
20th January 2026
27AQI (US)
21st January 2026
12AQI (US)
22nd January 2026
19AQI (US)
23rd January 2026
38AQI (US)
24th January 2026
45AQI (US)
25th January 2026
27AQI (US)
26th January 2026
26AQI (US)
27th January 2026
43AQI (US)
28th January 2026
18AQI (US)
29th January 2026
19AQI (US)
30th January 2026
34AQI (US)
31st January 2026
33AQI (US)
1st February 2026
34AQI (US)
2nd February 2026
49AQI (US)
3rd February 2026
33AQI (US)
4th February 2026
27AQI (US)
5th February 2026
56AQI (US)
6th February 2026
48AQI (US)
7th February 2026
12AQI (US)
8th February 2026
13AQI (US)
9th February 2026
37AQI (US)
10th February 2026
51AQI (US)
11th February 2026
41AQI (US)
12th February 2026
50AQI (US)
13th February 2026
57AQI (US)
14th February 2026
71AQI (US)
15th February 2026
56AQI (US)
16th February 2026
52AQI (US)
17th February 2026
14AQI (US)
18th February 2026
24AQI (US)
19th February 2026
32AQI (US)
20th February 2026
32AQI (US)
21st February 2026
51AQI (US)
22nd February 2026
43AQI (US)
23rd February 2026
53AQI (US)
24th February 2026
54AQI (US)
25th February 2026
28AQI (US)
26th February 2026
13AQI (US)
27th February 2026
45AQI (US)
28th February 2026
47AQI (US)
1st March 2026
48AQI (US)
2nd March 2026
80AQI (US)
3rd March 2026
47AQI (US)
4th March 2026
58AQI (US)
5th March 2026
56AQI (US)
6th March 2026
52AQI (US)
7th March 2026
47AQI (US)
8th March 2026
46AQI (US)
9th March 2026
50AQI (US)
10th March 2026
58AQI (US)
11th March 2026
55AQI (US)
12th March 2026
64AQI (US)
13th March 2026
45AQI (US)
14th March 2026
47AQI (US)
15th March 2026
61AQI (US)
16th March 2026
62AQI (US)
17th March 2026
52AQI (US)
18th March 2026
58AQI (US)
19th March 2026
48AQI (US)
20th March 2026
49AQI (US)
21st March 2026
51AQI (US)
22nd March 2026
54AQI (US)
23rd March 2026
52AQI (US)
24th March 2026
65AQI (US)
25th March 2026
57AQI (US)
26th March 2026
10AQI (US)
27th March 2026
32AQI (US)
28th March 2026
62AQI (US)
29th March 2026
68AQI (US)
30th March 2026
49AQI (US)
31st March 2026
21AQI (US)
1st April 2026
22AQI (US)
2nd April 2026
45AQI (US)
3rd April 2026
52AQI (US)
4th April 2026
41AQI (US)
5th April 2026
18AQI (US)
6th April 2026
36AQI (US)
7th April 2026
43AQI (US)
8th April 2026
33AQI (US)
9th April 2026
40AQI (US)
10th April 2026
46AQI (US)
11th April 2026
36AQI (US)
12th April 2026
37AQI (US)
13th April 2026
34AQI (US)
14th April 2026
47AQI (US)
15th April 2026
40AQI (US)
16th April 2026
35AQI (US)
17th April 2026
41AQI (US)
18th April 2026
32AQI (US)
19th April 2026
38AQI (US)
20th April 2026
38AQI (US)
21st April 2026
40AQI (US)
22nd April 2026
45AQI (US)
23rd April 2026
36AQI (US)
24th April 2026
31AQI (US)
25th April 2026
46AQI (US)
26th April 2026
49AQI (US)
27th April 2026
49AQI (US)
28th April 2026
45AQI (US)
29th April 2026
40AQI (US)
30th April 2026
35AQI (US)
1st May 2026
45AQI (US)
2nd May 2026
52AQI (US)
3rd May 2026
52AQI (US)
4th May 2026
23AQI (US)
5th May 2026
20AQI (US)
6th May 2026
33AQI (US)
7th May 2026
33AQI (US)
8th May 2026
27AQI (US)
9th May 2026
28AQI (US)
10th May 2026
33AQI (US)
11th May 2026
36AQI (US)
12th May 2026
40AQI (US)
13th May 2026
44AQI (US)
14th May 2026
40AQI (US)
15th May 2026
41AQI (US)
16th May 2026
83AQI (US)
17th May 2026
68AQI (US)
18th May 2026
54AQI (US)
19th May 2026
49AQI (US)
20th May 2026
62AQI (US)
21st May 2026
61AQI (US)
22nd May 2026
64AQI (US)
23rd May 2026
56AQI (US)
24th May 2026
59AQI (US)
25th May 2026
51AQI (US)
26th May 2026
40AQI (US)
27th May 2026
24AQI (US)
28th May 2026
25AQI (US)
29th May 2026
24AQI (US)
30th May 2026
24AQI (US)
31st May 2026
27AQI (US)
1st June 2026
30AQI (US)
2nd June 2026
31AQI (US)
3rd June 2026
21AQI (US)
4th June 2026
25AQI (US)
5th June 2026
22AQI (US)
6th June 2026
23AQI (US)
7th June 2026
21AQI (US)
8th June 2026
20AQI (US)
9th June 2026
23AQI (US)
10th June 2026
22AQI (US)
11th June 2026
24AQI (US)
12th June 2026
40AQI (US)
13th June 2026
28AQI (US)
14th June 2026
24AQI (US)
15th June 2026
23AQI (US)
16th June 2026
28AQI (US)
17th June 2026
23AQI (US)
18th June 2026
20AQI (US)
19th June 2026
29AQI (US)
20th June 2026
22AQI (US)
21st June 2026
21AQI (US)
22nd June 2026
19AQI (US)
23rd June 2026
21AQI (US)
24th June 2026
21AQI (US)
25th June 2026
27AQI (US)
26th June 2026
29AQI (US)
27th June 2026
26AQI (US)
28th June 2026
28AQI (US)
29th June 2026
28AQI (US)
30th June 2026
40AQI (US)
1st July 2026
54AQI (US)
2nd July 2026
13AQI (US)
3rd July 2026
22AQI (US)
4th July 2026
25AQI (US)
5th July 2026
21AQI (US)
6th July 2026
18AQI (US)
7th July 2026
21AQI (US)
8th July 2026
25AQI (US)
9th July 2026
25AQI (US)
10th July 2026
24AQI (US)
11th July 2026
27AQI (US)
12th July 2026
27AQI (US)
13th July 2026
29AQI (US)
14th July 2026
28AQI (US)
15th July 2026
27AQI (US)
16th July 2026
56AQI (US)
17th July 2026
41AQI (US)
18th July 2026
54AQI (US)
19th July 2026
37AQI (US)
20th July 2026
40AQI (US)
21st July 2026
67AQI (US)
22nd July 2026
77AQI (US)
23rd July 2026
58AQI (US)
24th July 2026
32AQI (US)
25th July 2026
41AQI (US)
26th July 2026
38AQI (US)
27th July 2026
27AQI (US)
28th July 2026
32AQI (US)
29th July 2026
34AQI (US)
30th July 2026
50AQI (US)
31st July 2026
37AQI (US)
1st August 2026
41AQI (US)
2nd August 2026
42AQI (US)
3rd August 2026
46AQI (US)
4th August 2026
27AQI (US)
5th August 2026
26AQI (US)
6th August 2026
23AQI (US)
7th August 2026
25AQI (US)
8th August 2026
25AQI (US)
9th August 2026
26AQI (US)
10th August 2026
22AQI (US)
11th August 2026
25AQI (US)
12th August 2026
26AQI (US)
13th August 2026
26AQI (US)
14th August 2026
28AQI (US)
15th August 2026
24AQI (US)
16th August 2026
25AQI (US)
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

28AQI (US)

40AQI (US)

52AQI (US)

39AQI (US)

43AQI (US)

25AQI (US)

36AQI (US)

29AQI (US)

No. of days

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

202637AQI (US)

29
2
19
9
13
18
29
1
20
11
30
25
6
16
181
47

Highest AQI (US) recorded in

March

52AQI (US)

Lowest AQI (US) recorded in

June

25AQI (US)

202540AQI (US)

28
3
25
3
22
9
21
9
23
8
23
7
19
12
19
12
30
27
4
26
4
30
1
293
72

Highest AQI (US) recorded in

July

51AQI (US)

Lowest AQI (US) recorded in

December

31AQI (US)

202434AQI (US)

31
27
2
25
6
26
3
1
29
2
27
3
28
3
29
2
28
2
30
1
29
1
31
340
25
1

Highest AQI (US) recorded in

April

45AQI (US)

Lowest AQI (US) recorded in

January

28AQI (US)

202336AQI (US)

26
5
27
1
25
6
21
9
28
3
23
7
26
5
28
3
29
1
30
1
24
5
25
6
312
52

Highest AQI (US) recorded in

April

45AQI (US)

Lowest AQI (US) recorded in

October

32AQI (US)

202235AQI (US)

30
20
1
27
4
15
2
24
7
27
3
19
2
1
29
28
3
26
4
31
277
26

Highest AQI (US) recorded in

May

44AQI (US)

Lowest AQI (US) recorded in

August

24AQI (US)

202132AQI (US)

28
2
24
4
28
2
23
29
2
26
4
30
1
30
1
29
1
31
28
2
31
337
19

Highest AQI (US) recorded in

June

39AQI (US)

Lowest AQI (US) recorded in

April

28AQI (US)

202031AQI (US)

12
1
19
2
18
24
6
29
2
18
13
19
31
29
1
30
1
229
26

Highest AQI (US) recorded in

August

46AQI (US)

Lowest AQI (US) recorded in

December

25AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
40AQI (US)
Least Polluted Year Recorded
2020(Avg.)
31AQI (US)

Ishiyamadera's annual 2026 AQI (US) (37) shows an average percentage change of 7.4% (worsened AQI (US)) compared to previous years: 2020 (31), 2021 (32), 2022 (35), 2023 (36), 2024 (34), 2025 (40).