Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Ritto, 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

Ritto, Shiga, Japan

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
3rd Aug 2024
58AQI
Lowest AQI recorded on
13th Aug 2021
8AQI

Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 43 of Good air quality, showing improvement over 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 1st Aug - 2nd Aug 2025

Ritto, Shiga, Japan

AQI
Day
Night
.

4 AM1st Aug 2025

7 PM

3 AM2nd Aug 2025

Day time
Avg. Highest Time
5PM1st Aug

62AQI

Avg. Lowest Time
7AM1st Aug

34AQI

Night time
Avg. Highest Time
7PM1st Aug

57AQI

Avg. Lowest Time
4AM1st Aug

34AQI

In the last 24 hours,

Ritto's AQI reached its highest point of 62 at 5 PM during the Day, while the lowest point, 34, was recorded at 7 AM during the Day between 1st Aug and 2nd Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Ritto, Shiga, Japan

JulAug
03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd
Day
Night
3rd Jul 2025564 AMAQI
3rd Jul 2025565 AMAQI
3rd Jul 2025566 AMAQI
3rd Jul 2025567 AMAQI
3rd Jul 2025568 AMAQI
3rd Jul 2025689 AMAQI
3rd Jul 20258310 AMAQI
3rd Jul 20259111 AMAQI
3rd Jul 20259112 PMAQI
3rd Jul 2025911 PMAQI
3rd Jul 2025912 PMAQI
3rd Jul 2025913 PMAQI
3rd Jul 2025914 PMAQI
3rd Jul 2025915 PMAQI
3rd Jul 2025766 PMAQI
3rd Jul 2025847 PMAQI
3rd Jul 2025838 PMAQI
3rd Jul 2025849 PMAQI
3rd Jul 20258410 PMAQI
3rd Jul 20258111 PMAQI
4th Jul 20258212 AMAQI
4th Jul 2025811 AMAQI
4th Jul 2025752 AMAQI
4th Jul 2025753 AMAQI

27°C23/32°C

4th Jul 2025764 AMAQI
4th Jul 2025765 AMAQI
4th Jul 2025766 AMAQI
4th Jul 2025767 AMAQI
4th Jul 2025768 AMAQI
4th Jul 2025779 AMAQI
4th Jul 20258210 AMAQI
4th Jul 20259211 AMAQI
4th Jul 20259812 PMAQI
4th Jul 20251001 PMAQI
4th Jul 2025962 PMAQI
4th Jul 2025983 PMAQI
4th Jul 2025984 PMAQI
4th Jul 20251025 PMAQI
4th Jul 20251006 PMAQI
4th Jul 20251037 PMAQI
4th Jul 20251098 PMAQI
4th Jul 2025929 PMAQI
4th Jul 20259610 PMAQI
4th Jul 20259811 PMAQI
5th Jul 20259812 AMAQI
5th Jul 2025901 AMAQI
5th Jul 2025762 AMAQI
5th Jul 2025783 AMAQI

27°C23/33°C

5th Jul 2025794 AMAQI
5th Jul 2025805 AMAQI
5th Jul 2025806 AMAQI
5th Jul 2025807 AMAQI
5th Jul 2025808 AMAQI
5th Jul 20251189 AMAQI
5th Jul 202511810 AMAQI
5th Jul 202511911 AMAQI
5th Jul 202512312 PMAQI
5th Jul 20251171 PMAQI
5th Jul 20251132 PMAQI
5th Jul 20251103 PMAQI
5th Jul 20251174 PMAQI
5th Jul 20251095 PMAQI
5th Jul 2025956 PMAQI
5th Jul 2025847 PMAQI
5th Jul 2025818 PMAQI
5th Jul 2025759 PMAQI
5th Jul 20257410 PMAQI
5th Jul 20257611 PMAQI
6th Jul 20257112 AMAQI
6th Jul 2025791 AMAQI
6th Jul 2025832 AMAQI
6th Jul 2025833 AMAQI

27°C24/33°C

6th Jul 2025864 AMAQI
6th Jul 2025885 AMAQI
6th Jul 2025876 AMAQI
6th Jul 2025887 AMAQI
6th Jul 2025888 AMAQI
6th Jul 2025729 AMAQI
6th Jul 20256710 AMAQI
6th Jul 20258111 AMAQI
6th Jul 20258712 PMAQI
6th Jul 2025851 PMAQI
6th Jul 2025832 PMAQI
6th Jul 2025843 PMAQI
6th Jul 2025824 PMAQI
6th Jul 2025725 PMAQI
6th Jul 2025666 PMAQI
6th Jul 2025637 PMAQI
6th Jul 2025668 PMAQI
6th Jul 2025729 PMAQI
6th Jul 20257210 PMAQI
6th Jul 20256911 PMAQI
7th Jul 20256712 AMAQI
7th Jul 2025721 AMAQI
7th Jul 2025822 AMAQI
7th Jul 2025823 AMAQI

28°C23/34°C

7th Jul 2025824 AMAQI
7th Jul 2025825 AMAQI
7th Jul 2025836 AMAQI
7th Jul 2025827 AMAQI
7th Jul 2025848 AMAQI
7th Jul 2025549 AMAQI
7th Jul 20254210 AMAQI
7th Jul 20254611 AMAQI
7th Jul 20254812 PMAQI
7th Jul 2025501 PMAQI
7th Jul 2025522 PMAQI
7th Jul 2025523 PMAQI
7th Jul 2025514 PMAQI
7th Jul 2025515 PMAQI
7th Jul 2025496 PMAQI
7th Jul 2025507 PMAQI
7th Jul 2025608 PMAQI
7th Jul 2025689 PMAQI
7th Jul 20256910 PMAQI
7th Jul 20256911 PMAQI
8th Jul 20256812 AMAQI
8th Jul 2025721 AMAQI
8th Jul 2025802 AMAQI
8th Jul 2025783 AMAQI

28°C23/34°C

8th Jul 2025764 AMAQI
8th Jul 2025735 AMAQI
8th Jul 2025736 AMAQI
8th Jul 2025737 AMAQI
8th Jul 2025738 AMAQI
8th Jul 2025649 AMAQI
8th Jul 20256510 AMAQI
8th Jul 20256911 AMAQI
8th Jul 20257912 PMAQI
8th Jul 2025841 PMAQI
8th Jul 2025872 PMAQI
8th Jul 2025883 PMAQI
8th Jul 2025844 PMAQI
8th Jul 2025825 PMAQI
8th Jul 2025946 PMAQI
8th Jul 2025937 PMAQI
8th Jul 2025908 PMAQI
8th Jul 2025809 PMAQI
8th Jul 20257810 PMAQI
8th Jul 20258011 PMAQI
9th Jul 20258012 AMAQI
9th Jul 2025771 AMAQI
9th Jul 2025742 AMAQI
9th Jul 2025753 AMAQI

27°C24/32°C

9th Jul 2025744 AMAQI
9th Jul 2025735 AMAQI
9th Jul 2025746 AMAQI
9th Jul 2025747 AMAQI
9th Jul 2025748 AMAQI
9th Jul 2025869 AMAQI
9th Jul 20258910 AMAQI
9th Jul 20259211 AMAQI
9th Jul 20259812 PMAQI
9th Jul 20251011 PMAQI
9th Jul 20251022 PMAQI
9th Jul 20251003 PMAQI
9th Jul 2025984 PMAQI
9th Jul 2025945 PMAQI
9th Jul 2025926 PMAQI
9th Jul 2025967 PMAQI
9th Jul 2025918 PMAQI
9th Jul 2025829 PMAQI
9th Jul 20258110 PMAQI
9th Jul 20258211 PMAQI
10th Jul 20258212 AMAQI
10th Jul 2025801 AMAQI
10th Jul 2025742 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 2025629 AMAQI
10th Jul 20255810 AMAQI
10th Jul 20255411 AMAQI
10th Jul 20255512 PMAQI
10th Jul 2025551 PMAQI
10th Jul 2025482 PMAQI
10th Jul 2025473 PMAQI
10th Jul 2025494 PMAQI
10th Jul 2025475 PMAQI
10th Jul 2025386 PMAQI
10th Jul 2025367 PMAQI
10th Jul 2025458 PMAQI
10th Jul 2025619 PMAQI
10th Jul 20256210 PMAQI
10th Jul 20256211 PMAQI
11th Jul 20256212 AMAQI
11th Jul 2025671 AMAQI
11th Jul 2025752 AMAQI
11th Jul 2025753 AMAQI

28°C23/34°C

11th Jul 2025744 AMAQI
11th Jul 2025735 AMAQI
11th Jul 2025736 AMAQI
11th Jul 2025737 AMAQI
11th Jul 2025738 AMAQI
11th Jul 2025319 AMAQI
11th Jul 20251810 AMAQI
11th Jul 20252011 AMAQI
11th Jul 20252512 PMAQI
11th Jul 2025361 PMAQI
11th Jul 2025402 PMAQI
11th Jul 2025403 PMAQI
11th Jul 2025344 PMAQI
11th Jul 2025325 PMAQI
11th Jul 2025296 PMAQI
11th Jul 2025327 PMAQI
11th Jul 2025448 PMAQI
11th Jul 2025589 PMAQI
11th Jul 20255810 PMAQI
11th Jul 20255811 PMAQI
12th Jul 20255712 AMAQI
12th Jul 2025641 AMAQI
12th Jul 2025702 AMAQI
12th Jul 2025703 AMAQI

27°C24/32°C

12th Jul 2025684 AMAQI
12th Jul 2025655 AMAQI
12th Jul 2025666 AMAQI
12th Jul 2025667 AMAQI
12th Jul 2025658 AMAQI
12th Jul 2025409 AMAQI
12th Jul 20253510 AMAQI
12th Jul 20253311 AMAQI
12th Jul 20253412 PMAQI
12th Jul 2025371 PMAQI
12th Jul 2025382 PMAQI
12th Jul 2025393 PMAQI
12th Jul 2025394 PMAQI
12th Jul 2025365 PMAQI
12th Jul 2025356 PMAQI
12th Jul 2025407 PMAQI
12th Jul 2025488 PMAQI
12th Jul 2025569 PMAQI
12th Jul 20255610 PMAQI
12th Jul 20255711 PMAQI
13th Jul 20255612 AMAQI
13th Jul 2025601 AMAQI
13th Jul 2025662 AMAQI
13th Jul 2025663 AMAQI

27°C23/32°C

13th Jul 2025644 AMAQI
13th Jul 2025615 AMAQI
13th Jul 2025626 AMAQI
13th Jul 2025617 AMAQI
13th Jul 2025618 AMAQI
13th Jul 2025469 AMAQI
13th Jul 20253210 AMAQI
13th Jul 20253211 AMAQI
13th Jul 20253312 PMAQI
13th Jul 2025401 PMAQI
13th Jul 2025422 PMAQI
13th Jul 2025423 PMAQI
13th Jul 2025404 PMAQI
13th Jul 2025385 PMAQI
13th Jul 2025376 PMAQI
13th Jul 2025367 PMAQI
13th Jul 2025458 PMAQI
13th Jul 2025539 PMAQI
13th Jul 20255310 PMAQI
13th Jul 20255311 PMAQI
14th Jul 20255312 AMAQI
14th Jul 2025541 AMAQI
14th Jul 2025582 AMAQI
14th Jul 2025623 AMAQI

27°C23/31°C

14th Jul 2025604 AMAQI
14th Jul 2025585 AMAQI
14th Jul 2025586 AMAQI
14th Jul 2025587 AMAQI
14th Jul 2025588 AMAQI
14th Jul 2025279 AMAQI
14th Jul 20251710 AMAQI
14th Jul 20251611 AMAQI
14th Jul 20251812 PMAQI
14th Jul 2025231 PMAQI
14th Jul 2025202 PMAQI
14th Jul 2025203 PMAQI
14th Jul 2025204 PMAQI
14th Jul 2025185 PMAQI
14th Jul 2025196 PMAQI
14th Jul 2025187 PMAQI
14th Jul 2025288 PMAQI
14th Jul 2025429 PMAQI
14th Jul 20254410 PMAQI
14th Jul 20254211 PMAQI
15th Jul 20254412 AMAQI
15th Jul 2025501 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025583 AMAQI

26°C23/32°C

15th Jul 2025564 AMAQI
15th Jul 2025545 AMAQI
15th Jul 2025546 AMAQI
15th Jul 2025547 AMAQI
15th Jul 2025548 AMAQI
15th Jul 2025259 AMAQI
15th Jul 20252010 AMAQI
15th Jul 20252911 AMAQI
15th Jul 20253712 PMAQI
15th Jul 2025501 PMAQI
15th Jul 2025522 PMAQI
15th Jul 2025463 PMAQI
15th Jul 2025404 PMAQI
15th Jul 2025385 PMAQI
15th Jul 2025416 PMAQI
15th Jul 2025387 PMAQI
15th Jul 2025448 PMAQI
15th Jul 2025509 PMAQI
15th Jul 20254810 PMAQI
15th Jul 20254911 PMAQI
16th Jul 20255112 AMAQI
16th Jul 2025531 AMAQI
16th Jul 2025542 AMAQI
16th Jul 2025543 AMAQI

27°C24/33°C

16th Jul 2025544 AMAQI
16th Jul 2025535 AMAQI
16th Jul 2025536 AMAQI
16th Jul 2025527 AMAQI
16th Jul 2025538 AMAQI
16th Jul 2025469 AMAQI
16th Jul 20254210 AMAQI
16th Jul 20254211 AMAQI
16th Jul 20254612 PMAQI
16th Jul 2025391 PMAQI
16th Jul 2025242 PMAQI
16th Jul 2025313 PMAQI
16th Jul 2025384 PMAQI
16th Jul 2025465 PMAQI
16th Jul 2025486 PMAQI
16th Jul 2025407 PMAQI
16th Jul 2025378 PMAQI
16th Jul 2025449 PMAQI
16th Jul 20254410 PMAQI
16th Jul 20254411 PMAQI
17th Jul 20254112 AMAQI
17th Jul 2025431 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025533 AMAQI

26°C22/29°C

17th Jul 2025524 AMAQI
17th Jul 2025525 AMAQI
17th Jul 2025526 AMAQI
17th Jul 2025527 AMAQI
17th Jul 2025528 AMAQI
17th Jul 2025239 AMAQI
17th Jul 20251410 AMAQI
17th Jul 20251411 AMAQI
17th Jul 20251612 PMAQI
17th Jul 2025181 PMAQI
17th Jul 2025182 PMAQI
17th Jul 2025183 PMAQI
17th Jul 2025184 PMAQI
17th Jul 2025185 PMAQI
17th Jul 2025206 PMAQI
17th Jul 2025227 PMAQI
17th Jul 2025248 PMAQI
17th Jul 2025349 PMAQI
17th Jul 20253510 PMAQI
17th Jul 20253411 PMAQI
18th Jul 20253412 AMAQI
18th Jul 2025441 AMAQI
18th Jul 2025522 AMAQI
18th Jul 2025523 AMAQI

23°C22/26°C

18th Jul 2025494 AMAQI
18th Jul 2025455 AMAQI
18th Jul 2025446 AMAQI
18th Jul 2025447 AMAQI
18th Jul 2025458 AMAQI
18th Jul 2025249 AMAQI
18th Jul 20252010 AMAQI
18th Jul 20251811 AMAQI
18th Jul 20251812 PMAQI
18th Jul 2025211 PMAQI
18th Jul 2025242 PMAQI
18th Jul 2025193 PMAQI
18th Jul 2025194 PMAQI
18th Jul 2025195 PMAQI
18th Jul 2025206 PMAQI
18th Jul 2025227 PMAQI
18th Jul 2025288 PMAQI
18th Jul 2025349 PMAQI
18th Jul 20253410 PMAQI
18th Jul 20253411 PMAQI
19th Jul 20253312 AMAQI
19th Jul 2025401 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025463 AMAQI

25°C22/30°C

19th Jul 2025454 AMAQI
19th Jul 2025425 AMAQI
19th Jul 2025426 AMAQI
19th Jul 2025427 AMAQI
19th Jul 2025428 AMAQI
19th Jul 2025229 AMAQI
19th Jul 20251910 AMAQI
19th Jul 20252011 AMAQI
19th Jul 20252012 PMAQI
19th Jul 2025221 PMAQI
19th Jul 2025222 PMAQI
19th Jul 2025223 PMAQI
19th Jul 2025194 PMAQI
19th Jul 2025205 PMAQI
19th Jul 2025226 PMAQI
19th Jul 2025227 PMAQI
19th Jul 2025268 PMAQI
19th Jul 2025329 PMAQI
19th Jul 20253210 PMAQI
19th Jul 20253211 PMAQI
20th Jul 20253112 AMAQI
20th Jul 2025361 AMAQI
20th Jul 2025432 AMAQI
20th Jul 2025433 AMAQI

26°C22/30°C

20th Jul 2025414 AMAQI
20th Jul 2025385 AMAQI
20th Jul 2025386 AMAQI
20th Jul 2025387 AMAQI
20th Jul 2025398 AMAQI
20th Jul 2025279 AMAQI
20th Jul 20251710 AMAQI
20th Jul 20251611 AMAQI
20th Jul 20252112 PMAQI
20th Jul 2025201 PMAQI
20th Jul 2025202 PMAQI
20th Jul 2025213 PMAQI
20th Jul 2025204 PMAQI
20th Jul 2025195 PMAQI
20th Jul 2025206 PMAQI
20th Jul 2025227 PMAQI
20th Jul 2025258 PMAQI
20th Jul 2025319 PMAQI
20th Jul 20253110 PMAQI
20th Jul 20253011 PMAQI
21st Jul 20253012 AMAQI
21st Jul 2025341 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025403 AMAQI

27°C23/32°C

21st Jul 2025384 AMAQI
21st Jul 2025365 AMAQI
21st Jul 2025366 AMAQI
21st Jul 2025367 AMAQI
21st Jul 2025368 AMAQI
21st Jul 2025249 AMAQI
21st Jul 20252110 AMAQI
21st Jul 20252511 AMAQI
21st Jul 20252712 PMAQI
21st Jul 2025281 PMAQI
21st Jul 2025312 PMAQI
21st Jul 2025323 PMAQI
21st Jul 2025364 PMAQI
21st Jul 2025335 PMAQI
21st Jul 2025316 PMAQI
21st Jul 2025337 PMAQI
21st Jul 2025328 PMAQI
21st Jul 2025349 PMAQI
21st Jul 20253310 PMAQI
21st Jul 20253211 PMAQI
22nd Jul 20253012 AMAQI
22nd Jul 2025321 AMAQI
22nd Jul 2025372 AMAQI
22nd Jul 2025373 AMAQI

28°C24/33°C

22nd Jul 2025354 AMAQI
22nd Jul 2025345 AMAQI
22nd Jul 2025346 AMAQI
22nd Jul 2025347 AMAQI
22nd Jul 2025348 AMAQI
22nd Jul 2025259 AMAQI
22nd Jul 20252310 AMAQI
22nd Jul 20253011 AMAQI
22nd Jul 20253412 PMAQI
22nd Jul 2025421 PMAQI
22nd Jul 2025462 PMAQI
22nd Jul 2025473 PMAQI
22nd Jul 2025404 PMAQI
22nd Jul 2025345 PMAQI
22nd Jul 2025446 PMAQI
22nd Jul 2025437 PMAQI
22nd Jul 2025328 PMAQI
22nd Jul 2025339 PMAQI
22nd Jul 20253110 PMAQI
22nd Jul 20253111 PMAQI
23rd Jul 20253012 AMAQI
23rd Jul 2025321 AMAQI
23rd Jul 2025362 AMAQI
23rd Jul 2025353 AMAQI

29°C24/34°C

23rd Jul 2025354 AMAQI
23rd Jul 2025345 AMAQI
23rd Jul 2025346 AMAQI
23rd Jul 2025347 AMAQI
23rd Jul 2025358 AMAQI
23rd Jul 2025259 AMAQI
23rd Jul 20252810 AMAQI
23rd Jul 20253411 AMAQI
23rd Jul 20253312 PMAQI
23rd Jul 2025471 PMAQI
23rd Jul 2025512 PMAQI
23rd Jul 2025563 PMAQI
23rd Jul 2025574 PMAQI
23rd Jul 2025545 PMAQI
23rd Jul 2025536 PMAQI
23rd Jul 2025527 PMAQI
23rd Jul 2025438 PMAQI
23rd Jul 2025349 PMAQI
23rd Jul 20253210 PMAQI
23rd Jul 20253211 PMAQI
24th Jul 20253212 AMAQI
24th Jul 2025331 AMAQI
24th Jul 2025352 AMAQI
24th Jul 2025343 AMAQI

29°C24/35°C

24th Jul 2025364 AMAQI
24th Jul 2025355 AMAQI
24th Jul 2025366 AMAQI
24th Jul 2025357 AMAQI
24th Jul 2025368 AMAQI
24th Jul 2025269 AMAQI
24th Jul 20252610 AMAQI
24th Jul 20253411 AMAQI
24th Jul 20254812 PMAQI
24th Jul 2025531 PMAQI
24th Jul 2025562 PMAQI
24th Jul 2025573 PMAQI
24th Jul 2025554 PMAQI
24th Jul 2025545 PMAQI
24th Jul 2025526 PMAQI
24th Jul 2025477 PMAQI
24th Jul 2025378 PMAQI
24th Jul 2025329 PMAQI
24th Jul 20253210 PMAQI
24th Jul 20253011 PMAQI
25th Jul 20253012 AMAQI
25th Jul 2025311 AMAQI
25th Jul 2025352 AMAQI
25th Jul 2025353 AMAQI

29°C24/35°C

25th Jul 2025364 AMAQI
25th Jul 2025365 AMAQI
25th Jul 2025376 AMAQI
25th Jul 2025367 AMAQI
25th Jul 2025368 AMAQI
25th Jul 2025309 AMAQI
25th Jul 20252810 AMAQI
25th Jul 20252811 AMAQI
25th Jul 20253312 PMAQI
25th Jul 2025351 PMAQI
25th Jul 2025322 PMAQI
25th Jul 2025323 PMAQI
25th Jul 2025294 PMAQI
25th Jul 2025205 PMAQI
25th Jul 2025176 PMAQI
25th Jul 2025167 PMAQI
25th Jul 2025208 PMAQI
25th Jul 2025269 PMAQI
25th Jul 20252410 PMAQI
25th Jul 20252411 PMAQI
26th Jul 20252412 AMAQI
26th Jul 2025291 AMAQI
26th Jul 2025342 AMAQI
26th Jul 2025343 AMAQI

28°C24/34°C

26th Jul 2025344 AMAQI
26th Jul 2025345 AMAQI
26th Jul 2025346 AMAQI
26th Jul 2025337 AMAQI
26th Jul 2025348 AMAQI
26th Jul 2025229 AMAQI
26th Jul 20251510 AMAQI
26th Jul 20251611 AMAQI
26th Jul 20252212 PMAQI
26th Jul 2025211 PMAQI
26th Jul 2025212 PMAQI
26th Jul 2025193 PMAQI
26th Jul 2025204 PMAQI
26th Jul 2025175 PMAQI
26th Jul 2025176 PMAQI
26th Jul 2025177 PMAQI
26th Jul 2025218 PMAQI
26th Jul 2025259 PMAQI
26th Jul 20252410 PMAQI
26th Jul 20252411 PMAQI
27th Jul 20252512 AMAQI
27th Jul 2025281 AMAQI
27th Jul 2025322 AMAQI
27th Jul 2025323 AMAQI

28°C24/34°C

27th Jul 2025314 AMAQI
27th Jul 2025305 AMAQI
27th Jul 2025306 AMAQI
27th Jul 2025307 AMAQI
27th Jul 2025308 AMAQI
27th Jul 2025249 AMAQI
27th Jul 20251610 AMAQI
27th Jul 20251911 AMAQI
27th Jul 20252012 PMAQI
27th Jul 2025221 PMAQI
27th Jul 2025192 PMAQI
27th Jul 2025203 PMAQI
27th Jul 2025214 PMAQI
27th Jul 2025205 PMAQI
27th Jul 2025186 PMAQI
27th Jul 2025197 PMAQI
27th Jul 2025238 PMAQI
27th Jul 2025249 PMAQI
27th Jul 20252410 PMAQI
27th Jul 20252411 PMAQI
28th Jul 20252412 AMAQI
28th Jul 2025261 AMAQI
28th Jul 2025302 AMAQI
28th Jul 2025303 AMAQI

28°C23/35°C

28th Jul 2025294 AMAQI
28th Jul 2025285 AMAQI
28th Jul 2025286 AMAQI
28th Jul 2025287 AMAQI
28th Jul 2025288 AMAQI
28th Jul 2025199 AMAQI
28th Jul 20252010 AMAQI
28th Jul 20252611 AMAQI
28th Jul 20253012 PMAQI
28th Jul 2025301 PMAQI
28th Jul 2025272 PMAQI
28th Jul 2025293 PMAQI
28th Jul 2025324 PMAQI
28th Jul 2025305 PMAQI
28th Jul 2025316 PMAQI
28th Jul 2025307 PMAQI
28th Jul 2025328 PMAQI
28th Jul 2025309 PMAQI
28th Jul 20252810 PMAQI
28th Jul 20252611 PMAQI
29th Jul 20252712 AMAQI
29th Jul 2025291 AMAQI
29th Jul 2025282 AMAQI
29th Jul 2025283 AMAQI

29°C24/35°C

29th Jul 2025284 AMAQI
29th Jul 2025275 AMAQI
29th Jul 2025276 AMAQI
29th Jul 2025277 AMAQI
29th Jul 2025278 AMAQI
29th Jul 2025279 AMAQI
29th Jul 20253510 AMAQI
29th Jul 20254311 AMAQI
29th Jul 20254912 PMAQI
29th Jul 2025541 PMAQI
29th Jul 2025542 PMAQI
29th Jul 2025553 PMAQI
29th Jul 2025554 PMAQI
29th Jul 2025535 PMAQI
29th Jul 2025516 PMAQI
29th Jul 2025457 PMAQI
29th Jul 2025428 PMAQI
29th Jul 2025399 PMAQI
29th Jul 20253310 PMAQI
29th Jul 20253511 PMAQI
30th Jul 20253212 AMAQI
30th Jul 2025301 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 2025339 AMAQI
30th Jul 20254010 AMAQI
30th Jul 20254411 AMAQI
30th Jul 20255212 PMAQI
30th Jul 2025561 PMAQI
30th Jul 2025572 PMAQI
30th Jul 2025583 PMAQI
30th Jul 2025594 PMAQI
30th Jul 2025605 PMAQI
30th Jul 2025566 PMAQI
30th Jul 2025547 PMAQI
30th Jul 2025468 PMAQI
30th Jul 2025389 PMAQI
30th Jul 20253410 PMAQI
30th Jul 20253411 PMAQI
31st Jul 20253612 AMAQI
31st Jul 2025321 AMAQI
31st Jul 2025312 AMAQI
31st Jul 2025313 AMAQI

30°C25/36°C

31st Jul 2025304 AMAQI
31st Jul 2025295 AMAQI
31st Jul 2025296 AMAQI
31st Jul 2025297 AMAQI
31st Jul 2025298 AMAQI
31st Jul 2025299 AMAQI
31st Jul 20252910 AMAQI
31st Jul 20254111 AMAQI
31st Jul 20255412 PMAQI
31st Jul 2025571 PMAQI
31st Jul 2025562 PMAQI
31st Jul 2025573 PMAQI
31st Jul 2025584 PMAQI
31st Jul 2025595 PMAQI
31st Jul 2025566 PMAQI
31st Jul 2025587 PMAQI
31st Jul 2025498 PMAQI
31st Jul 2025439 PMAQI
31st Jul 20253710 PMAQI
31st Jul 20253911 PMAQI
1st Aug 20253712 AMAQI
1st Aug 2025361 AMAQI
1st Aug 2025322 AMAQI
1st Aug 2025283 AMAQI

30°C25/36°C

1st Aug 2025344 AMAQI
1st Aug 2025345 AMAQI
1st Aug 2025346 AMAQI
1st Aug 2025347 AMAQI
1st Aug 2025358 AMAQI
1st Aug 2025469 AMAQI
1st Aug 20254610 AMAQI
1st Aug 20255011 AMAQI
1st Aug 20255512 PMAQI
1st Aug 2025531 PMAQI
1st Aug 2025572 PMAQI
1st Aug 2025563 PMAQI
1st Aug 2025594 PMAQI
1st Aug 2025625 PMAQI
1st Aug 2025606 PMAQI
1st Aug 2025577 PMAQI
1st Aug 2025548 PMAQI
1st Aug 2025529 PMAQI
1st Aug 20254610 PMAQI
1st Aug 20254211 PMAQI
2nd Aug 20254612 AMAQI
2nd Aug 2025351 AMAQI
2nd Aug 2025352 AMAQI
2nd Aug 2025353 AMAQI

29°C25/34°C

2nd Aug 2025384 AMAQI
4 AM
2nd Aug 2025385 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025408 AMAQI
2nd Aug 2025489 AMAQI
2nd Aug 20254410 AMAQI
2nd Aug 20255211 AMAQI
11 AM
2nd Aug 20255012 PMAQI
2nd Aug 2025471 PMAQI
2nd Aug 2025562 PMAQI
2nd Aug 2025553 PMAQI
2nd Aug 2025504 PMAQI
2nd Aug 2025495 PMAQI
2nd Aug 2025506 PMAQI
2nd Aug 2025467 PMAQI
7 PM
2nd Aug 2025498 PMAQI
2nd Aug 2025439 PMAQI
2nd Aug 20254110 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
10 AM

39AQI

1 hours / Day
30 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 10 AM to 10 AM (Avg. 39).
Night time
Avg. Highest Time
12 AM - 3 AM

52AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
8 PM - 11 PM

47AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 52), while the lowest AQI was between 8 PM to 11 PM (Avg. 47).

2025 Days Vs Air Quality

Ritto, Shiga, Japan

2025

78%

166

22%

47

Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)

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

Under WHO’s Safe Air Quality Limits: 78%

Health Risk Level:

Low

In 2025, 78% of 214 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

Ritto, 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
29AQI
2nd January 2025
30AQI
3rd January 2025
29AQI
4th January 2025
28AQI
5th January 2025
28AQI
6th January 2025
32AQI
7th January 2025
33AQI
8th January 2025
28AQI
9th January 2025
28AQI
10th January 2025
25AQI
11th January 2025
24AQI
12th January 2025
34AQI
13th January 2025
26AQI
14th January 2025
44AQI
15th January 2025
37AQI
16th January 2025
34AQI
17th January 2025
30AQI
18th January 2025
28AQI
19th January 2025
33AQI
20th January 2025
38AQI
21st January 2025
35AQI
22nd January 2025
40AQI
23rd January 2025
60AQI
24th January 2025
52AQI
25th January 2025
42AQI
26th January 2025
36AQI
27th January 2025
29AQI
28th January 2025
31AQI
29th January 2025
30AQI
30th January 2025
35AQI
31st January 2025
69AQI
1st February 2025
66AQI
2nd February 2025
46AQI
3rd February 2025
47AQI
4th February 2025
39AQI
5th February 2025
39AQI
6th February 2025
32AQI
7th February 2025
35AQI
8th February 2025
31AQI
9th February 2025
30AQI
10th February 2025
30AQI
11th February 2025
30AQI
12th February 2025
33AQI
13th February 2025
31AQI
14th February 2025
32AQI
15th February 2025
30AQI
16th February 2025
36AQI
17th February 2025
37AQI
18th February 2025
31AQI
19th February 2025
31AQI
20th February 2025
29AQI
21st February 2025
30AQI
22nd February 2025
30AQI
23rd February 2025
30AQI
24th February 2025
32AQI
25th February 2025
33AQI
26th February 2025
41AQI
27th February 2025
49AQI
28th February 2025
57AQI
1st March 2025
59AQI
2nd March 2025
69AQI
3rd March 2025
44AQI
4th March 2025
40AQI
5th March 2025
31AQI
6th March 2025
36AQI
7th March 2025
33AQI
8th March 2025
35AQI
9th March 2025
35AQI
10th March 2025
35AQI
11th March 2025
33AQI
12th March 2025
32AQI
13th March 2025
45AQI
14th March 2025
37AQI
15th March 2025
36AQI
16th March 2025
22AQI
17th March 2025
24AQI
18th March 2025
23AQI
19th March 2025
22AQI
20th March 2025
35AQI
21st March 2025
51AQI
22nd March 2025
54AQI
23rd March 2025
70AQI
24th March 2025
69AQI
25th March 2025
79AQI
26th March 2025
79AQI
27th March 2025
84AQI
28th March 2025
45AQI
29th March 2025
46AQI
30th March 2025
34AQI
31st March 2025
35AQI
1st April 2025
31AQI
2nd April 2025
28AQI
3rd April 2025
22AQI
4th April 2025
24AQI
5th April 2025
32AQI
6th April 2025
34AQI
7th April 2025
43AQI
8th April 2025
43AQI
9th April 2025
42AQI
10th April 2025
53AQI
11th April 2025
49AQI
12th April 2025
50AQI
13th April 2025
31AQI
14th April 2025
46AQI
15th April 2025
24AQI
16th April 2025
44AQI
17th April 2025
47AQI
18th April 2025
56AQI
19th April 2025
60AQI
20th April 2025
53AQI
21st April 2025
40AQI
22nd April 2025
46AQI
23rd April 2025
23AQI
24th April 2025
25AQI
25th April 2025
60AQI
26th April 2025
51AQI
27th April 2025
59AQI
28th April 2025
44AQI
29th April 2025
53AQI
30th April 2025
60AQI
1st May 2025
54AQI
2nd May 2025
38AQI
3rd May 2025
44AQI
4th May 2025
37AQI
5th May 2025
42AQI
6th May 2025
25AQI
7th May 2025
28AQI
8th May 2025
29AQI
9th May 2025
27AQI
10th May 2025
27AQI
11th May 2025
29AQI
12th May 2025
42AQI
13th May 2025
50AQI
14th May 2025
57AQI
15th May 2025
55AQI
16th May 2025
54AQI
17th May 2025
36AQI
18th May 2025
48AQI
19th May 2025
50AQI
20th May 2025
66AQI
21st May 2025
60AQI
22nd May 2025
36AQI
23rd May 2025
52AQI
24th May 2025
37AQI
25th May 2025
27AQI
26th May 2025
28AQI
27th May 2025
28AQI
28th May 2025
27AQI
29th May 2025
36AQI
30th May 2025
33AQI
31st May 2025
30AQI
1st June 2025
35AQI
2nd June 2025
46AQI
3rd June 2025
25AQI
4th June 2025
40AQI
5th June 2025
37AQI
6th June 2025
47AQI
7th June 2025
51AQI
8th June 2025
63AQI
9th June 2025
42AQI
10th June 2025
29AQI
11th June 2025
32AQI
12th June 2025
40AQI
13th June 2025
46AQI
14th June 2025
30AQI
15th June 2025
26AQI
16th June 2025
39AQI
17th June 2025
36AQI
18th June 2025
48AQI
19th June 2025
53AQI
20th June 2025
56AQI
21st June 2025
50AQI
22nd June 2025
45AQI
23rd June 2025
38AQI
24th June 2025
32AQI
25th June 2025
32AQI
26th June 2025
32AQI
27th June 2025
47AQI
28th June 2025
38AQI
29th June 2025
48AQI
30th June 2025
56AQI
1st July 2025
64AQI
2nd July 2025
96AQI
3rd July 2025
81AQI
4th July 2025
89AQI
5th July 2025
92AQI
6th July 2025
77AQI
7th July 2025
65AQI
8th July 2025
79AQI
9th July 2025
85AQI
10th July 2025
62AQI
11th July 2025
51AQI
12th July 2025
52AQI
13th July 2025
50AQI
14th July 2025
38AQI
15th July 2025
46AQI
16th July 2025
46AQI
17th July 2025
33AQI
18th July 2025
33AQI
19th July 2025
31AQI
20th July 2025
29AQI
21st July 2025
33AQI
22nd July 2025
35AQI
23rd July 2025
39AQI
24th July 2025
39AQI
25th July 2025
29AQI
26th July 2025
25AQI
27th July 2025
24AQI
28th July 2025
28AQI
29th July 2025
38AQI
30th July 2025
41AQI
31st July 2025
41AQI
1st August 2025
43AQI

35AQI

36AQI

44AQI

42AQI

40AQI

41AQI

51AQI

43AQI

No. of days

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

202541AQI

28
3
26
2
22
9
21
9
24
7
25
5
19
12
1
166
47

Highest AQI recorded in

July

51AQI

Lowest AQI recorded in

January

35AQI

202433AQI

30
1
27
2
26
5
25
5
30
1
29
1
31
30
1
27
3
31
30
31
347
19

Highest AQI recorded in

April

43AQI

Lowest AQI recorded in

August

27AQI

202338AQI

26
5
25
3
23
8
18
12
27
4
25
5
25
6
31
29
1
30
1
25
4
25
6
309
54
1

Highest AQI recorded in

April

48AQI

Lowest AQI recorded in

August

29AQI

202236AQI

31
18
3
21
10
19
11
22
9
26
4
22
3
3
28
1
30
1
26
4
31
277
46

Highest AQI recorded in

March

47AQI

Lowest AQI recorded in

October

29AQI

202133AQI

26
5
23
5
27
4
20
2
29
2
26
4
29
2
30
1
29
1
31
26
4
28
3
324
33

Highest AQI recorded in

June

39AQI

Lowest AQI recorded in

August

27AQI

202031AQI

10
3
18
3
18
26
4
29
2
18
12
1
19
31
26
4
29
2
224
30
1

Highest AQI recorded in

August

50AQI

Lowest AQI recorded in

July

21AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
41AQI
Least Polluted Year Recorded
2020(Avg.)
31AQI

Ritto's annual 2025 AQI (41) shows an average percentage change of 21.9% (worsened AQI) compared to previous years: 2020 (31), 2021 (33), 2022 (36), 2023 (38), 2024 (33).