Otowadai, Otsu, 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
Otowadai, Otsu, Shiga, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2024
63AQILowest AQI recorded on
7th Aug 2021
17AQISame Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 54 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Otowadai, Otsu, Shiga, Japan
AQI
Day
Night
.
4 AM4th Aug 2025
7 PM
3 AM5th Aug 2025
Day time
Avg. Highest Time
2PM4th Aug
95AQI
Avg. Lowest Time
8AM4th Aug
48AQI
Night time
Avg. Highest Time
7PM4th Aug
81AQI
Avg. Lowest Time
3AM5th Aug
44AQI
In the last 24 hours,
Otowadai's AQI reached its highest point of 95 at 2 PM during the Day, while the lowest point, 44, was recorded at 3 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Otowadai, Otsu, Shiga, Japan
JulAug
06th - 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 - 04th04th - 05th05th
Day
Night
6th Jul 2025864 AMAQI
6th Jul 2025885 AMAQI
6th Jul 2025886 AMAQI
6th Jul 2025897 AMAQI
6th Jul 2025888 AMAQI
6th Jul 2025809 AMAQI
6th Jul 20257310 AMAQI
6th Jul 20258711 AMAQI
6th Jul 20258912 PMAQI
6th Jul 2025861 PMAQI
6th Jul 2025842 PMAQI
6th Jul 2025843 PMAQI
6th Jul 2025814 PMAQI
6th Jul 2025735 PMAQI
6th Jul 2025706 PMAQI
6th Jul 2025667 PMAQI
6th Jul 2025688 PMAQI
6th Jul 2025749 PMAQI
6th Jul 20257410 PMAQI
6th Jul 20257411 PMAQI
7th Jul 20257012 AMAQI
7th Jul 2025741 AMAQI
7th Jul 2025842 AMAQI
7th Jul 2025853 AMAQI
28°C23/35°C
7th Jul 2025844 AMAQI
7th Jul 2025845 AMAQI
7th Jul 2025856 AMAQI
7th Jul 2025847 AMAQI
7th Jul 2025848 AMAQI
7th Jul 2025579 AMAQI
7th Jul 20254510 AMAQI
7th Jul 20254911 AMAQI
7th Jul 20254512 PMAQI
7th Jul 2025541 PMAQI
7th Jul 2025542 PMAQI
7th Jul 2025543 PMAQI
7th Jul 2025524 PMAQI
7th Jul 2025535 PMAQI
7th Jul 2025546 PMAQI
7th Jul 2025567 PMAQI
7th Jul 2025628 PMAQI
7th Jul 2025729 PMAQI
7th Jul 20257110 PMAQI
7th Jul 20256911 PMAQI
8th Jul 20257012 AMAQI
8th Jul 2025751 AMAQI
8th Jul 2025822 AMAQI
8th Jul 2025803 AMAQI
29°C24/35°C
8th Jul 2025794 AMAQI
8th Jul 2025755 AMAQI
8th Jul 2025766 AMAQI
8th Jul 2025757 AMAQI
8th Jul 2025768 AMAQI
8th Jul 2025729 AMAQI
8th Jul 20257510 AMAQI
8th Jul 20258211 AMAQI
8th Jul 20258212 PMAQI
8th Jul 2025791 PMAQI
8th Jul 2025772 PMAQI
8th Jul 2025763 PMAQI
8th Jul 2025744 PMAQI
8th Jul 2025745 PMAQI
8th Jul 2025816 PMAQI
8th Jul 2025747 PMAQI
8th Jul 2025718 PMAQI
8th Jul 2025739 PMAQI
8th Jul 20257210 PMAQI
8th Jul 20257211 PMAQI
9th Jul 20257412 AMAQI
9th Jul 2025761 AMAQI
9th Jul 2025752 AMAQI
9th Jul 2025763 AMAQI
28°C24/34°C
9th Jul 2025754 AMAQI
9th Jul 2025755 AMAQI
9th Jul 2025746 AMAQI
9th Jul 2025757 AMAQI
9th Jul 2025768 AMAQI
9th Jul 2025989 AMAQI
9th Jul 20259810 AMAQI
9th Jul 20259511 AMAQI
9th Jul 202510312 PMAQI
9th Jul 20251011 PMAQI
9th Jul 2025962 PMAQI
9th Jul 2025943 PMAQI
9th Jul 2025964 PMAQI
9th Jul 2025945 PMAQI
9th Jul 2025946 PMAQI
9th Jul 2025927 PMAQI
9th Jul 2025908 PMAQI
9th Jul 2025829 PMAQI
9th Jul 20258210 PMAQI
9th Jul 20258311 PMAQI
10th Jul 20258212 AMAQI
10th Jul 2025801 AMAQI
10th Jul 2025742 AMAQI
10th Jul 2025743 AMAQI
28°C24/34°C
10th Jul 2025764 AMAQI
10th Jul 2025785 AMAQI
10th Jul 2025786 AMAQI
10th Jul 2025787 AMAQI
10th Jul 2025788 AMAQI
10th Jul 2025699 AMAQI
10th Jul 20257410 AMAQI
10th Jul 20257211 AMAQI
10th Jul 20256912 PMAQI
10th Jul 2025681 PMAQI
10th Jul 2025672 PMAQI
10th Jul 2025623 PMAQI
10th Jul 2025584 PMAQI
10th Jul 2025605 PMAQI
10th Jul 2025546 PMAQI
10th Jul 2025517 PMAQI
10th Jul 2025538 PMAQI
10th Jul 2025659 PMAQI
10th Jul 20256210 PMAQI
10th Jul 20256311 PMAQI
11th Jul 20256212 AMAQI
11th Jul 2025661 AMAQI
11th Jul 2025752 AMAQI
11th Jul 2025763 AMAQI
29°C24/35°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 20252810 AMAQI
11th Jul 20252511 AMAQI
11th Jul 20253512 PMAQI
11th Jul 2025411 PMAQI
11th Jul 2025392 PMAQI
11th Jul 2025433 PMAQI
11th Jul 2025404 PMAQI
11th Jul 2025315 PMAQI
11th Jul 2025306 PMAQI
11th Jul 2025307 PMAQI
11th Jul 2025408 PMAQI
11th Jul 2025589 PMAQI
11th Jul 20256010 PMAQI
11th Jul 20256011 PMAQI
12th Jul 20255812 AMAQI
12th Jul 2025621 AMAQI
12th Jul 2025722 AMAQI
12th Jul 2025723 AMAQI
28°C25/33°C
12th Jul 2025704 AMAQI
12th Jul 2025665 AMAQI
12th Jul 2025676 AMAQI
12th Jul 2025677 AMAQI
12th Jul 2025668 AMAQI
12th Jul 2025409 AMAQI
12th Jul 20253210 AMAQI
12th Jul 20253911 AMAQI
12th Jul 20254012 PMAQI
12th Jul 2025361 PMAQI
12th Jul 2025422 PMAQI
12th Jul 2025463 PMAQI
12th Jul 2025414 PMAQI
12th Jul 2025395 PMAQI
12th Jul 2025406 PMAQI
12th Jul 2025427 PMAQI
12th Jul 2025468 PMAQI
12th Jul 2025589 PMAQI
12th Jul 20255710 PMAQI
12th Jul 20255911 PMAQI
13th Jul 20255812 AMAQI
13th Jul 2025581 AMAQI
13th Jul 2025662 AMAQI
13th Jul 2025663 AMAQI
28°C23/33°C
13th Jul 2025664 AMAQI
13th Jul 2025635 AMAQI
13th Jul 2025636 AMAQI
13th Jul 2025637 AMAQI
13th Jul 2025638 AMAQI
13th Jul 2025489 AMAQI
13th Jul 20254110 AMAQI
13th Jul 20253811 AMAQI
13th Jul 20254112 PMAQI
13th Jul 2025431 PMAQI
13th Jul 2025392 PMAQI
13th Jul 2025373 PMAQI
13th Jul 2025374 PMAQI
13th Jul 2025385 PMAQI
13th Jul 2025506 PMAQI
13th Jul 2025467 PMAQI
13th Jul 2025488 PMAQI
13th Jul 2025569 PMAQI
13th Jul 20255610 PMAQI
13th Jul 20255311 PMAQI
14th Jul 20255412 AMAQI
14th Jul 2025571 AMAQI
14th Jul 2025622 AMAQI
14th Jul 2025633 AMAQI
27°C24/32°C
14th Jul 2025624 AMAQI
14th Jul 2025605 AMAQI
14th Jul 2025596 AMAQI
14th Jul 2025607 AMAQI
14th Jul 2025598 AMAQI
14th Jul 2025289 AMAQI
14th Jul 20251810 AMAQI
14th Jul 20251611 AMAQI
14th Jul 20251612 PMAQI
14th Jul 2025221 PMAQI
14th Jul 2025202 PMAQI
14th Jul 2025223 PMAQI
14th Jul 2025204 PMAQI
14th Jul 2025205 PMAQI
14th Jul 2025216 PMAQI
14th Jul 2025227 PMAQI
14th Jul 2025288 PMAQI
14th Jul 2025469 PMAQI
14th Jul 20255010 PMAQI
14th Jul 20255011 PMAQI
15th Jul 20255012 AMAQI
15th Jul 2025501 AMAQI
15th Jul 2025542 AMAQI
15th Jul 2025583 AMAQI
27°C24/33°C
15th Jul 2025584 AMAQI
15th Jul 2025555 AMAQI
15th Jul 2025556 AMAQI
15th Jul 2025557 AMAQI
15th Jul 2025558 AMAQI
15th Jul 2025369 AMAQI
15th Jul 20253010 AMAQI
15th Jul 20253011 AMAQI
15th Jul 20253512 PMAQI
15th Jul 2025451 PMAQI
15th Jul 2025432 PMAQI
15th Jul 2025423 PMAQI
15th Jul 2025424 PMAQI
15th Jul 2025525 PMAQI
15th Jul 2025546 PMAQI
15th Jul 2025527 PMAQI
15th Jul 2025538 PMAQI
15th Jul 2025559 PMAQI
15th Jul 20255910 PMAQI
15th Jul 20255511 PMAQI
16th Jul 20255912 AMAQI
16th Jul 2025571 AMAQI
16th Jul 2025552 AMAQI
16th Jul 2025553 AMAQI
28°C24/34°C
16th Jul 2025544 AMAQI
16th Jul 2025535 AMAQI
16th Jul 2025536 AMAQI
16th Jul 2025537 AMAQI
16th Jul 2025538 AMAQI
16th Jul 2025549 AMAQI
16th Jul 20255210 AMAQI
16th Jul 20255211 AMAQI
16th Jul 20255512 PMAQI
16th Jul 2025551 PMAQI
16th Jul 2025442 PMAQI
16th Jul 2025503 PMAQI
16th Jul 2025524 PMAQI
16th Jul 2025525 PMAQI
16th Jul 2025466 PMAQI
16th Jul 2025247 PMAQI
16th Jul 2025338 PMAQI
16th Jul 2025489 PMAQI
16th Jul 20254810 PMAQI
16th Jul 20255111 PMAQI
17th Jul 20254812 AMAQI
17th Jul 2025441 AMAQI
17th Jul 2025542 AMAQI
17th Jul 2025553 AMAQI
26°C23/30°C
17th Jul 2025554 AMAQI
17th Jul 2025545 AMAQI
17th Jul 2025546 AMAQI
17th Jul 2025547 AMAQI
17th Jul 2025548 AMAQI
17th Jul 2025309 AMAQI
17th Jul 20251810 AMAQI
17th Jul 20251411 AMAQI
17th Jul 20251612 PMAQI
17th Jul 2025271 PMAQI
17th Jul 2025232 PMAQI
17th Jul 2025223 PMAQI
17th Jul 2025214 PMAQI
17th Jul 2025215 PMAQI
17th Jul 2025186 PMAQI
17th Jul 2025177 PMAQI
17th Jul 2025248 PMAQI
17th Jul 2025389 PMAQI
17th Jul 20254110 PMAQI
17th Jul 20254211 PMAQI
18th Jul 20254312 AMAQI
18th Jul 2025441 AMAQI
18th Jul 2025522 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 2025349 AMAQI
18th Jul 20253410 AMAQI
18th Jul 20252411 AMAQI
18th Jul 20252512 PMAQI
18th Jul 2025271 PMAQI
18th Jul 2025292 PMAQI
18th Jul 2025263 PMAQI
18th Jul 2025304 PMAQI
18th Jul 2025215 PMAQI
18th Jul 2025276 PMAQI
18th Jul 2025277 PMAQI
18th Jul 2025378 PMAQI
18th Jul 2025389 PMAQI
18th Jul 20253810 PMAQI
18th Jul 20254011 PMAQI
19th Jul 20254212 AMAQI
19th Jul 2025441 AMAQI
19th Jul 2025512 AMAQI
19th Jul 2025513 AMAQI
26°C22/30°C
19th Jul 2025494 AMAQI
19th Jul 2025475 AMAQI
19th Jul 2025466 AMAQI
19th Jul 2025467 AMAQI
19th Jul 2025468 AMAQI
19th Jul 2025309 AMAQI
19th Jul 20252910 AMAQI
19th Jul 20252411 AMAQI
19th Jul 20252212 PMAQI
19th Jul 2025251 PMAQI
19th Jul 2025302 PMAQI
19th Jul 2025273 PMAQI
19th Jul 2025324 PMAQI
19th Jul 2025335 PMAQI
19th Jul 2025246 PMAQI
19th Jul 2025317 PMAQI
19th Jul 2025348 PMAQI
19th Jul 2025369 PMAQI
19th Jul 20253610 PMAQI
19th Jul 20253211 PMAQI
20th Jul 20253312 AMAQI
20th Jul 2025401 AMAQI
20th Jul 2025452 AMAQI
20th Jul 2025473 AMAQI
27°C22/32°C
20th Jul 2025454 AMAQI
20th Jul 2025435 AMAQI
20th Jul 2025436 AMAQI
20th Jul 2025427 AMAQI
20th Jul 2025438 AMAQI
20th Jul 2025369 AMAQI
20th Jul 20253010 AMAQI
20th Jul 20253111 AMAQI
20th Jul 20252412 PMAQI
20th Jul 2025301 PMAQI
20th Jul 2025202 PMAQI
20th Jul 2025173 PMAQI
20th Jul 2025184 PMAQI
20th Jul 2025225 PMAQI
20th Jul 2025246 PMAQI
20th Jul 2025227 PMAQI
20th Jul 2025258 PMAQI
20th Jul 2025349 PMAQI
20th Jul 20253310 PMAQI
20th Jul 20253411 PMAQI
21st Jul 20253312 AMAQI
21st Jul 2025361 AMAQI
21st Jul 2025422 AMAQI
21st Jul 2025433 AMAQI
27°C23/33°C
21st Jul 2025414 AMAQI
21st Jul 2025395 AMAQI
21st Jul 2025396 AMAQI
21st Jul 2025397 AMAQI
21st Jul 2025398 AMAQI
21st Jul 2025349 AMAQI
21st Jul 20253210 AMAQI
21st Jul 20253011 AMAQI
21st Jul 20252812 PMAQI
21st Jul 2025341 PMAQI
21st Jul 2025332 PMAQI
21st Jul 2025333 PMAQI
21st Jul 2025414 PMAQI
21st Jul 2025395 PMAQI
21st Jul 2025306 PMAQI
21st Jul 2025217 PMAQI
21st Jul 2025328 PMAQI
21st Jul 2025309 PMAQI
21st Jul 20253310 PMAQI
21st Jul 20253311 PMAQI
22nd Jul 20253012 AMAQI
22nd Jul 2025281 AMAQI
22nd Jul 2025332 AMAQI
22nd Jul 2025393 AMAQI
28°C24/34°C
22nd Jul 2025384 AMAQI
22nd Jul 2025375 AMAQI
22nd Jul 2025386 AMAQI
22nd Jul 2025387 AMAQI
22nd Jul 2025388 AMAQI
22nd Jul 2025249 AMAQI
22nd Jul 20252510 AMAQI
22nd Jul 20252411 AMAQI
22nd Jul 20253012 PMAQI
22nd Jul 2025351 PMAQI
22nd Jul 2025382 PMAQI
22nd Jul 2025423 PMAQI
22nd Jul 2025394 PMAQI
22nd Jul 2025415 PMAQI
22nd Jul 2025466 PMAQI
22nd Jul 2025507 PMAQI
22nd Jul 2025498 PMAQI
22nd Jul 2025429 PMAQI
22nd Jul 20253410 PMAQI
22nd Jul 20253111 PMAQI
23rd Jul 20253812 AMAQI
23rd Jul 2025371 AMAQI
23rd Jul 2025372 AMAQI
23rd Jul 2025363 AMAQI
29°C24/35°C
23rd Jul 2025374 AMAQI
23rd Jul 2025355 AMAQI
23rd Jul 2025366 AMAQI
23rd Jul 2025367 AMAQI
23rd Jul 2025368 AMAQI
23rd Jul 2025329 AMAQI
23rd Jul 20253210 AMAQI
23rd Jul 20252911 AMAQI
23rd Jul 20254512 PMAQI
23rd Jul 2025521 PMAQI
23rd Jul 2025522 PMAQI
23rd Jul 2025493 PMAQI
23rd Jul 2025544 PMAQI
23rd Jul 2025545 PMAQI
23rd Jul 2025556 PMAQI
23rd Jul 2025567 PMAQI
23rd Jul 2025538 PMAQI
23rd Jul 2025499 PMAQI
23rd Jul 20254610 PMAQI
23rd Jul 20254211 PMAQI
24th Jul 20253212 AMAQI
24th Jul 2025331 AMAQI
24th Jul 2025382 AMAQI
24th Jul 2025383 AMAQI
30°C25/35°C
24th Jul 2025384 AMAQI
24th Jul 2025395 AMAQI
24th Jul 2025396 AMAQI
24th Jul 2025387 AMAQI
24th Jul 2025388 AMAQI
24th Jul 2025299 AMAQI
24th Jul 20253210 AMAQI
24th Jul 20254011 AMAQI
24th Jul 20254112 PMAQI
24th Jul 2025551 PMAQI
24th Jul 2025532 PMAQI
24th Jul 2025543 PMAQI
24th Jul 2025534 PMAQI
24th Jul 2025525 PMAQI
24th Jul 2025536 PMAQI
24th Jul 2025537 PMAQI
24th Jul 2025388 PMAQI
24th Jul 2025339 PMAQI
24th Jul 20253310 PMAQI
24th Jul 20252811 PMAQI
25th Jul 20252812 AMAQI
25th Jul 2025301 AMAQI
25th Jul 2025372 AMAQI
25th Jul 2025383 AMAQI
30°C25/36°C
25th Jul 2025384 AMAQI
25th Jul 2025405 AMAQI
25th Jul 2025386 AMAQI
25th Jul 2025407 AMAQI
25th Jul 2025408 AMAQI
25th Jul 2025339 AMAQI
25th Jul 20254310 AMAQI
25th Jul 20254111 AMAQI
25th Jul 20254112 PMAQI
25th Jul 2025351 PMAQI
25th Jul 2025442 PMAQI
25th Jul 2025523 PMAQI
25th Jul 2025504 PMAQI
25th Jul 2025405 PMAQI
25th Jul 2025346 PMAQI
25th Jul 2025267 PMAQI
25th Jul 2025378 PMAQI
25th Jul 2025389 PMAQI
25th Jul 20253310 PMAQI
25th Jul 20253011 PMAQI
26th Jul 20253112 AMAQI
26th Jul 2025301 AMAQI
26th Jul 2025372 AMAQI
26th Jul 2025373 AMAQI
30°C25/35°C
26th Jul 2025374 AMAQI
26th Jul 2025375 AMAQI
26th Jul 2025386 AMAQI
26th Jul 2025387 AMAQI
26th Jul 2025388 AMAQI
26th Jul 2025279 AMAQI
26th Jul 20252610 AMAQI
26th Jul 20253411 AMAQI
26th Jul 20252412 PMAQI
26th Jul 2025201 PMAQI
26th Jul 2025202 PMAQI
26th Jul 2025233 PMAQI
26th Jul 2025314 PMAQI
26th Jul 2025345 PMAQI
26th Jul 2025336 PMAQI
26th Jul 2025297 PMAQI
26th Jul 2025348 PMAQI
26th Jul 2025309 PMAQI
26th Jul 20253210 PMAQI
26th Jul 20253011 PMAQI
27th Jul 20253012 AMAQI
27th Jul 2025331 AMAQI
27th Jul 2025372 AMAQI
27th Jul 2025373 AMAQI
29°C25/35°C
27th Jul 2025354 AMAQI
27th Jul 2025335 AMAQI
27th Jul 2025336 AMAQI
27th Jul 2025347 AMAQI
27th Jul 2025348 AMAQI
27th Jul 2025289 AMAQI
27th Jul 20252310 AMAQI
27th Jul 20253411 AMAQI
27th Jul 20253212 PMAQI
27th Jul 2025301 PMAQI
27th Jul 2025242 PMAQI
27th Jul 2025263 PMAQI
27th Jul 2025324 PMAQI
27th Jul 2025325 PMAQI
27th Jul 2025316 PMAQI
27th Jul 2025287 PMAQI
27th Jul 2025278 PMAQI
27th Jul 2025269 PMAQI
27th Jul 20252510 PMAQI
27th Jul 20252411 PMAQI
28th Jul 20252812 AMAQI
28th Jul 2025291 AMAQI
28th Jul 2025352 AMAQI
28th Jul 2025343 AMAQI
29°C24/36°C
28th Jul 2025334 AMAQI
28th Jul 2025335 AMAQI
28th Jul 2025336 AMAQI
28th Jul 2025337 AMAQI
28th Jul 2025348 AMAQI
28th Jul 2025369 AMAQI
28th Jul 20253510 AMAQI
28th Jul 20253211 AMAQI
28th Jul 20253412 PMAQI
28th Jul 2025351 PMAQI
28th Jul 2025242 PMAQI
28th Jul 2025233 PMAQI
28th Jul 2025204 PMAQI
28th Jul 2025245 PMAQI
28th Jul 2025256 PMAQI
28th Jul 2025347 PMAQI
28th Jul 2025408 PMAQI
28th Jul 2025349 PMAQI
28th Jul 20253410 PMAQI
28th Jul 20253711 PMAQI
29th Jul 20253212 AMAQI
29th Jul 2025301 AMAQI
29th Jul 2025322 AMAQI
29th Jul 2025323 AMAQI
30°C25/36°C
29th Jul 2025324 AMAQI
29th Jul 2025325 AMAQI
29th Jul 2025326 AMAQI
29th Jul 2025327 AMAQI
29th Jul 2025328 AMAQI
29th Jul 2025299 AMAQI
29th Jul 20253810 AMAQI
29th Jul 20255211 AMAQI
29th Jul 20254912 PMAQI
29th Jul 2025541 PMAQI
29th Jul 2025522 PMAQI
29th Jul 2025483 PMAQI
29th Jul 2025514 PMAQI
29th Jul 2025545 PMAQI
29th Jul 2025486 PMAQI
29th Jul 2025517 PMAQI
29th Jul 2025488 PMAQI
29th Jul 2025439 PMAQI
29th Jul 20254510 PMAQI
29th Jul 20254411 PMAQI
30th Jul 20253612 AMAQI
30th Jul 2025341 AMAQI
30th Jul 2025322 AMAQI
30th Jul 2025323 AMAQI
31°C26/37°C
30th Jul 2025344 AMAQI
30th Jul 2025365 AMAQI
30th Jul 2025356 AMAQI
30th Jul 2025357 AMAQI
30th Jul 2025368 AMAQI
30th Jul 2025449 AMAQI
30th Jul 20254510 AMAQI
30th Jul 20253511 AMAQI
30th Jul 20255012 PMAQI
30th Jul 2025501 PMAQI
30th Jul 2025562 PMAQI
30th Jul 2025593 PMAQI
30th Jul 2025544 PMAQI
30th Jul 2025525 PMAQI
30th Jul 2025536 PMAQI
30th Jul 2025577 PMAQI
30th Jul 2025588 PMAQI
30th Jul 2025499 PMAQI
30th Jul 20254010 PMAQI
30th Jul 20253911 PMAQI
31st Jul 20253912 AMAQI
31st Jul 2025381 AMAQI
31st Jul 2025342 AMAQI
31st Jul 2025333 AMAQI
31°C26/37°C
31st Jul 2025334 AMAQI
31st Jul 2025335 AMAQI
31st Jul 2025336 AMAQI
31st Jul 2025337 AMAQI
31st Jul 2025338 AMAQI
31st Jul 2025339 AMAQI
31st Jul 20253310 AMAQI
31st Jul 20254411 AMAQI
31st Jul 20255212 PMAQI
31st Jul 2025501 PMAQI
31st Jul 2025612 PMAQI
31st Jul 2025603 PMAQI
31st Jul 2025564 PMAQI
31st Jul 2025575 PMAQI
31st Jul 2025556 PMAQI
31st Jul 2025567 PMAQI
31st Jul 2025478 PMAQI
31st Jul 2025399 PMAQI
31st Jul 20253810 PMAQI
31st Jul 20253711 PMAQI
1st Aug 20253412 AMAQI
1st Aug 2025371 AMAQI
1st Aug 2025292 AMAQI
1st Aug 2025313 AMAQI
31°C26/37°C
1st Aug 2025344 AMAQI
1st Aug 2025345 AMAQI
1st Aug 2025346 AMAQI
1st Aug 2025347 AMAQI
1st Aug 2025378 AMAQI
1st Aug 2025449 AMAQI
1st Aug 20254410 AMAQI
1st Aug 20255311 AMAQI
1st Aug 20255712 PMAQI
1st Aug 2025551 PMAQI
1st Aug 2025582 PMAQI
1st Aug 2025603 PMAQI
1st Aug 2025604 PMAQI
1st Aug 2025605 PMAQI
1st Aug 2025606 PMAQI
1st Aug 2025587 PMAQI
1st Aug 2025528 PMAQI
1st Aug 2025509 PMAQI
1st Aug 20254510 PMAQI
1st Aug 20254011 PMAQI
2nd Aug 20254012 AMAQI
2nd Aug 2025381 AMAQI
2nd Aug 2025362 AMAQI
2nd Aug 2025343 AMAQI
30°C26/35°C
2nd Aug 2025384 AMAQI
2nd Aug 2025385 AMAQI
2nd Aug 2025386 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025589 AMAQI
2nd Aug 20255910 AMAQI
2nd Aug 20256711 AMAQI
2nd Aug 20257312 PMAQI
2nd Aug 2025681 PMAQI
2nd Aug 2025682 PMAQI
2nd Aug 2025683 PMAQI
2nd Aug 2025614 PMAQI
2nd Aug 2025685 PMAQI
2nd Aug 2025726 PMAQI
2nd Aug 2025697 PMAQI
2nd Aug 2025528 PMAQI
2nd Aug 2025439 PMAQI
2nd Aug 20254410 PMAQI
2nd Aug 20254611 PMAQI
3rd Aug 20255012 AMAQI
3rd Aug 2025461 AMAQI
3rd Aug 2025442 AMAQI
3rd Aug 2025453 AMAQI
29°C26/34°C
3rd Aug 2025424 AMAQI
3rd Aug 2025445 AMAQI
3rd Aug 2025426 AMAQI
3rd Aug 2025427 AMAQI
3rd Aug 2025428 AMAQI
3rd Aug 2025479 AMAQI
3rd Aug 20255610 AMAQI
3rd Aug 20255811 AMAQI
3rd Aug 20256612 PMAQI
3rd Aug 2025621 PMAQI
3rd Aug 2025702 PMAQI
3rd Aug 2025583 PMAQI
3rd Aug 2025634 PMAQI
3rd Aug 2025615 PMAQI
3rd Aug 2025556 PMAQI
3rd Aug 2025587 PMAQI
3rd Aug 2025558 PMAQI
3rd Aug 2025529 PMAQI
3rd Aug 20255210 PMAQI
3rd Aug 20255011 PMAQI
4th Aug 20255212 AMAQI
4th Aug 2025431 AMAQI
4th Aug 2025422 AMAQI
4th Aug 2025423 AMAQI
31°C26/37°C
4th Aug 2025464 AMAQI
4th Aug 2025485 AMAQI
4th Aug 2025486 AMAQI
4th Aug 2025487 AMAQI
4th Aug 2025488 AMAQI
4th Aug 2025659 AMAQI
4th Aug 20257010 AMAQI
4th Aug 20258811 AMAQI
4th Aug 20258412 PMAQI
4th Aug 2025881 PMAQI
4th Aug 2025952 PMAQI
4th Aug 2025933 PMAQI
4th Aug 2025804 PMAQI
4th Aug 2025885 PMAQI
4th Aug 2025816 PMAQI
4th Aug 2025817 PMAQI
4th Aug 2025668 PMAQI
4th Aug 2025619 PMAQI
4th Aug 20256010 PMAQI
4th Aug 20256011 PMAQI
5th Aug 20255912 AMAQI
5th Aug 2025521 AMAQI
5th Aug 2025452 AMAQI
5th Aug 2025443 AMAQI
31°C26/36°C
5th Aug 2025544 AMAQI
4 AM5th Aug 2025555 AMAQI
5th Aug 2025566 AMAQI
5th Aug 2025557 AMAQI
5th Aug 2025548 AMAQI
5th Aug 2025619 AMAQI
5th Aug 20256610 AMAQI
5th Aug 20256611 AMAQI
11 AM5th Aug 20256612 PMAQI
5th Aug 2025721 PMAQI
5th Aug 2025802 PMAQI
5th Aug 2025653 PMAQI
5th Aug 2025594 PMAQI
5th Aug 2025605 PMAQI
5th Aug 2025586 PMAQI
5th Aug 2025607 PMAQI
7 PM5th Aug 2025608 PMAQI
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
51AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
9 AM - 7 PM
47AQI
11 hours / Day
330 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 8 AM (Avg. 51), while the lowest AQI was between 9 AM to 7 PM (Avg. 47).
Night time
Avg. Highest Time
2 AM - 3 AM
51AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
12 AM - 1 AM
48AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 3 AM (Avg. 51), while the lowest AQI was between 12 AM to 1 AM (Avg. 48).
2025 Days Vs Air Quality
Otowadai, Otsu, Shiga, Japan
2025
71%
153
29%
63
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
153 DaysModerate
63 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 71%
Health Risk Level:
Low
In 2025, 71% of 217 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
Otowadai, Otsu, 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
31AQI
31AQI
2nd January 2025
38AQI
38AQI
3rd January 2025
33AQI
33AQI
4th January 2025
31AQI
31AQI
5th January 2025
31AQI
31AQI
6th January 2025
35AQI
35AQI
7th January 2025
35AQI
35AQI
8th January 2025
32AQI
32AQI
9th January 2025
32AQI
32AQI
10th January 2025
27AQI
27AQI
11th January 2025
27AQI
27AQI
12th January 2025
36AQI
36AQI
13th January 2025
31AQI
31AQI
14th January 2025
50AQI
50AQI
15th January 2025
40AQI
40AQI
16th January 2025
41AQI
41AQI
17th January 2025
33AQI
33AQI
18th January 2025
34AQI
34AQI
19th January 2025
37AQI
37AQI
20th January 2025
43AQI
43AQI
21st January 2025
39AQI
39AQI
22nd January 2025
46AQI
46AQI
23rd January 2025
61AQI
61AQI
24th January 2025
58AQI
58AQI
25th January 2025
43AQI
43AQI
26th January 2025
37AQI
37AQI
27th January 2025
34AQI
34AQI
28th January 2025
34AQI
34AQI
29th January 2025
31AQI
31AQI
30th January 2025
37AQI
37AQI
31st January 2025
74AQI
74AQI
1st February 2025
69AQI
69AQI
2nd February 2025
46AQI
46AQI
3rd February 2025
51AQI
51AQI
4th February 2025
40AQI
40AQI
5th February 2025
39AQI
39AQI
6th February 2025
33AQI
33AQI
7th February 2025
36AQI
36AQI
8th February 2025
29AQI
29AQI
9th February 2025
31AQI
31AQI
10th February 2025
30AQI
30AQI
11th February 2025
30AQI
30AQI
12th February 2025
32AQI
32AQI
13th February 2025
30AQI
30AQI
14th February 2025
35AQI
35AQI
15th February 2025
27AQI
27AQI
16th February 2025
41AQI
41AQI
17th February 2025
35AQI
35AQI
18th February 2025
34AQI
34AQI
19th February 2025
30AQI
30AQI
20th February 2025
28AQI
28AQI
21st February 2025
29AQI
29AQI
22nd February 2025
30AQI
30AQI
23rd February 2025
30AQI
30AQI
24th February 2025
30AQI
30AQI
25th February 2025
34AQI
34AQI
26th February 2025
42AQI
42AQI
27th February 2025
54AQI
54AQI
28th February 2025
57AQI
57AQI
1st March 2025
63AQI
63AQI
2nd March 2025
69AQI
69AQI
3rd March 2025
46AQI
46AQI
4th March 2025
42AQI
42AQI
5th March 2025
30AQI
30AQI
6th March 2025
38AQI
38AQI
7th March 2025
33AQI
33AQI
8th March 2025
37AQI
37AQI
9th March 2025
36AQI
36AQI
10th March 2025
41AQI
41AQI
11th March 2025
34AQI
34AQI
12th March 2025
32AQI
32AQI
13th March 2025
48AQI
48AQI
14th March 2025
37AQI
37AQI
15th March 2025
35AQI
35AQI
16th March 2025
26AQI
26AQI
17th March 2025
28AQI
28AQI
18th March 2025
28AQI
28AQI
19th March 2025
26AQI
26AQI
20th March 2025
42AQI
42AQI
21st March 2025
55AQI
55AQI
22nd March 2025
62AQI
62AQI
23rd March 2025
72AQI
72AQI
24th March 2025
74AQI
74AQI
25th March 2025
74AQI
74AQI
26th March 2025
82AQI
82AQI
27th March 2025
84AQI
84AQI
28th March 2025
50AQI
50AQI
29th March 2025
48AQI
48AQI
30th March 2025
35AQI
35AQI
31st March 2025
37AQI
37AQI
1st April 2025
33AQI
33AQI
2nd April 2025
31AQI
31AQI
3rd April 2025
24AQI
24AQI
4th April 2025
27AQI
27AQI
5th April 2025
41AQI
41AQI
6th April 2025
40AQI
40AQI
7th April 2025
47AQI
47AQI
8th April 2025
47AQI
47AQI
9th April 2025
46AQI
46AQI
10th April 2025
54AQI
54AQI
11th April 2025
54AQI
54AQI
12th April 2025
52AQI
52AQI
13th April 2025
34AQI
34AQI
14th April 2025
49AQI
49AQI
15th April 2025
27AQI
27AQI
16th April 2025
47AQI
47AQI
17th April 2025
50AQI
50AQI
18th April 2025
62AQI
62AQI
19th April 2025
62AQI
62AQI
20th April 2025
55AQI
55AQI
21st April 2025
45AQI
45AQI
22nd April 2025
51AQI
51AQI
23rd April 2025
28AQI
28AQI
24th April 2025
27AQI
27AQI
25th April 2025
67AQI
67AQI
26th April 2025
54AQI
54AQI
27th April 2025
62AQI
62AQI
28th April 2025
48AQI
48AQI
29th April 2025
57AQI
57AQI
30th April 2025
65AQI
65AQI
1st May 2025
58AQI
58AQI
2nd May 2025
41AQI
41AQI
3rd May 2025
48AQI
48AQI
4th May 2025
42AQI
42AQI
5th May 2025
46AQI
46AQI
6th May 2025
30AQI
30AQI
7th May 2025
32AQI
32AQI
8th May 2025
34AQI
34AQI
9th May 2025
37AQI
37AQI
10th May 2025
31AQI
31AQI
11th May 2025
36AQI
36AQI
12th May 2025
48AQI
48AQI
13th May 2025
54AQI
54AQI
14th May 2025
60AQI
60AQI
15th May 2025
56AQI
56AQI
16th May 2025
57AQI
57AQI
17th May 2025
44AQI
44AQI
18th May 2025
54AQI
54AQI
19th May 2025
54AQI
54AQI
20th May 2025
68AQI
68AQI
21st May 2025
52AQI
52AQI
22nd May 2025
38AQI
38AQI
23rd May 2025
56AQI
56AQI
24th May 2025
42AQI
42AQI
25th May 2025
31AQI
31AQI
26th May 2025
31AQI
31AQI
27th May 2025
34AQI
34AQI
28th May 2025
31AQI
31AQI
29th May 2025
42AQI
42AQI
30th May 2025
38AQI
38AQI
31st May 2025
35AQI
35AQI
1st June 2025
42AQI
42AQI
2nd June 2025
50AQI
50AQI
3rd June 2025
32AQI
32AQI
4th June 2025
45AQI
45AQI
5th June 2025
43AQI
43AQI
6th June 2025
46AQI
46AQI
7th June 2025
54AQI
54AQI
8th June 2025
66AQI
66AQI
9th June 2025
49AQI
49AQI
10th June 2025
34AQI
34AQI
11th June 2025
39AQI
39AQI
12th June 2025
44AQI
44AQI
13th June 2025
49AQI
49AQI
14th June 2025
36AQI
36AQI
15th June 2025
31AQI
31AQI
16th June 2025
43AQI
43AQI
17th June 2025
41AQI
41AQI
18th June 2025
51AQI
51AQI
19th June 2025
55AQI
55AQI
20th June 2025
60AQI
60AQI
21st June 2025
58AQI
58AQI
22nd June 2025
61AQI
61AQI
23rd June 2025
47AQI
47AQI
24th June 2025
39AQI
39AQI
25th June 2025
40AQI
40AQI
26th June 2025
39AQI
39AQI
27th June 2025
52AQI
52AQI
28th June 2025
44AQI
44AQI
29th June 2025
50AQI
50AQI
30th June 2025
57AQI
57AQI
1st July 2025
65AQI
65AQI
2nd July 2025
89AQI
89AQI
3rd July 2025
84AQI
84AQI
4th July 2025
90AQI
90AQI
5th July 2025
92AQI
92AQI
6th July 2025
79AQI
79AQI
7th July 2025
67AQI
67AQI
8th July 2025
76AQI
76AQI
9th July 2025
86AQI
86AQI
10th July 2025
68AQI
68AQI
11th July 2025
53AQI
53AQI
12th July 2025
53AQI
53AQI
13th July 2025
52AQI
52AQI
14th July 2025
40AQI
40AQI
15th July 2025
50AQI
50AQI
16th July 2025
50AQI
50AQI
17th July 2025
36AQI
36AQI
18th July 2025
38AQI
38AQI
19th July 2025
36AQI
36AQI
20th July 2025
33AQI
33AQI
21st July 2025
35AQI
35AQI
22nd July 2025
37AQI
37AQI
23rd July 2025
43AQI
43AQI
24th July 2025
40AQI
40AQI
25th July 2025
37AQI
37AQI
26th July 2025
32AQI
32AQI
27th July 2025
30AQI
30AQI
28th July 2025
32AQI
32AQI
29th July 2025
41AQI
41AQI
30th July 2025
44AQI
44AQI
31st July 2025
42AQI
42AQI
1st August 2025
45AQI
45AQI
2nd August 2025
52AQI
52AQI
3rd August 2025
52AQI
52AQI
4th August 2025
54AQI
54AQI
38AQI
37AQI
47AQI
46AQI
44AQI
47AQI
53AQI
51AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202545AQI
28
3
24
4
22
9
18
12
21
10
21
9
18
13
1
3
153
63
Highest AQI recorded in
July53AQI
Lowest AQI recorded in
February37AQI
202438AQI
31
27
2
24
7
19
10
1
26
5
20
10
23
8
28
3
27
3
28
3
29
1
31
313
52
1
Highest AQI recorded in
April50AQI
Lowest AQI recorded in
January28AQI
202340AQI
27
4
27
1
24
7
21
9
24
7
19
11
19
12
31
27
3
26
5
22
7
25
6
292
72
Highest AQI recorded in
April48AQI
Lowest AQI recorded in
January31AQI
202238AQI
31
18
3
23
8
22
7
17
14
21
9
16
5
1
26
2
28
3
27
3
31
261
54
Highest AQI recorded in
May48AQI
Lowest AQI recorded in
December28AQI
202136AQI
29
2
22
6
29
2
20
3
25
6
24
4
30
1
27
4
25
5
31
24
6
28
3
314
42
Highest AQI recorded in
June45AQI
Lowest AQI recorded in
January27AQI
202037AQI
12
1
20
1
17
1
21
9
28
3
14
17
18
1
28
3
26
4
30
1
214
41
Highest AQI recorded in
August54AQI
Lowest AQI recorded in
December27AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
45AQILeast Polluted Year Recorded
2021(Avg.)
36AQIOtowadai's annual 2025 AQI (45) shows an average percentage change of 18.8% (worsened AQI) compared to previous years: 2020 (37), 2021 (36), 2022 (38), 2023 (40), 2024 (38).
