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+
July Air Quality Analysis
Otsu, Shiga, Japan
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
5th Jul 2025
93AQILowest AQI recorded on
2nd Jul 2026
13AQISame Day Analysis (29th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 39 of Good air quality, showing improvement over 2023 on the same day.
Day & Night AQI Trend: 28th Jul - 29th Jul 2026
Otsu, Shiga, Japan
AQI
Day
Night
.
4 AM28th Jul 2026
7 PM
3 AM29th Jul 2026
Day time
Avg. Highest Time
1PM28th Jul
59AQI
Avg. Lowest Time
7PM28th Jul
24AQI
Night time
Avg. Highest Time
4AM28th Jul
28AQI
Avg. Lowest Time
11PM28th Jul
22AQI
In the last 24 hours,
Otsu's AQI reached its highest point of 59 at 1 PM during the Day, while the lowest point, 22, was recorded at 11 PM during the Night between 28th Jul and 29th Jul 2026.
Day & Night AQI Trend : Jun - Jul 2026
Otsu, Shiga, Japan
JunJul
30th - 01st01st - 02nd02nd - 03rd03rd - 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
Day
Night
30th Jun 2026274 AMAQI
30th Jun 2026245 AMAQI
30th Jun 2026256 AMAQI
30th Jun 2026247 AMAQI
30th Jun 2026258 AMAQI
30th Jun 2026289 AMAQI
30th Jun 20263010 AMAQI
30th Jun 20263111 AMAQI
30th Jun 20263612 PMAQI
30th Jun 2026711 PMAQI
30th Jun 2026612 PMAQI
30th Jun 2026623 PMAQI
30th Jun 2026684 PMAQI
30th Jun 2026645 PMAQI
30th Jun 2026616 PMAQI
30th Jun 2026647 PMAQI
30th Jun 2026598 PMAQI
30th Jun 2026629 PMAQI
30th Jun 20266810 PMAQI
30th Jun 20266511 PMAQI
1st Jul 20266512 AMAQI
1st Jul 2026651 AMAQI
1st Jul 2026612 AMAQI
1st Jul 2026613 AMAQI
24°C20/27°C
1st Jul 2026584 AMAQI
1st Jul 2026515 AMAQI
1st Jul 2026596 AMAQI
1st Jul 2026557 AMAQI
1st Jul 2026558 AMAQI
1st Jul 2026669 AMAQI
1st Jul 20266610 AMAQI
1st Jul 20266211 AMAQI
1st Jul 20266312 PMAQI
1st Jul 2026651 PMAQI
1st Jul 2026712 PMAQI
1st Jul 2026733 PMAQI
1st Jul 2026674 PMAQI
1st Jul 2026705 PMAQI
1st Jul 2026676 PMAQI
1st Jul 2026667 PMAQI
1st Jul 2026568 PMAQI
1st Jul 2026269 PMAQI
1st Jul 20262610 PMAQI
1st Jul 20262511 PMAQI
2nd Jul 20262712 AMAQI
2nd Jul 2026181 AMAQI
2nd Jul 2026112 AMAQI
2nd Jul 2026123 AMAQI
22°C20/26°C
2nd Jul 2026144 AMAQI
2nd Jul 2026135 AMAQI
2nd Jul 2026106 AMAQI
2nd Jul 202687 AMAQI
2nd Jul 202698 AMAQI
2nd Jul 202689 AMAQI
2nd Jul 20261110 AMAQI
2nd Jul 20261311 AMAQI
2nd Jul 20261712 PMAQI
2nd Jul 2026141 PMAQI
2nd Jul 2026122 PMAQI
2nd Jul 2026173 PMAQI
2nd Jul 2026224 PMAQI
2nd Jul 2026205 PMAQI
2nd Jul 2026126 PMAQI
2nd Jul 2026167 PMAQI
2nd Jul 2026118 PMAQI
2nd Jul 2026119 PMAQI
2nd Jul 2026710 PMAQI
2nd Jul 2026911 PMAQI
3rd Jul 20261612 AMAQI
3rd Jul 2026181 AMAQI
3rd Jul 2026252 AMAQI
3rd Jul 2026303 AMAQI
22°C20/26°C
3rd Jul 2026364 AMAQI
3rd Jul 2026385 AMAQI
3rd Jul 2026306 AMAQI
3rd Jul 2026357 AMAQI
3rd Jul 2026318 AMAQI
3rd Jul 2026249 AMAQI
3rd Jul 20263010 AMAQI
3rd Jul 20262111 AMAQI
3rd Jul 20262212 PMAQI
3rd Jul 2026191 PMAQI
3rd Jul 2026222 PMAQI
3rd Jul 2026303 PMAQI
3rd Jul 2026264 PMAQI
3rd Jul 2026285 PMAQI
3rd Jul 2026266 PMAQI
3rd Jul 2026257 PMAQI
3rd Jul 2026268 PMAQI
3rd Jul 2026259 PMAQI
3rd Jul 20262610 PMAQI
3rd Jul 20262511 PMAQI
4th Jul 20262712 AMAQI
4th Jul 2026261 AMAQI
4th Jul 2026272 AMAQI
4th Jul 2026263 AMAQI
22°C18/28°C
4th Jul 2026254 AMAQI
4th Jul 2026265 AMAQI
4th Jul 2026266 AMAQI
4th Jul 2026247 AMAQI
4th Jul 2026258 AMAQI
4th Jul 2026239 AMAQI
4th Jul 20262310 AMAQI
4th Jul 20262311 AMAQI
4th Jul 20262412 PMAQI
4th Jul 2026231 PMAQI
4th Jul 2026252 PMAQI
4th Jul 2026263 PMAQI
4th Jul 2026264 PMAQI
4th Jul 2026255 PMAQI
4th Jul 2026246 PMAQI
4th Jul 2026247 PMAQI
4th Jul 2026238 PMAQI
4th Jul 2026229 PMAQI
4th Jul 20262410 PMAQI
4th Jul 20262211 PMAQI
5th Jul 20262112 AMAQI
5th Jul 2026231 AMAQI
5th Jul 2026212 AMAQI
5th Jul 2026203 AMAQI
21°C20/22°C
5th Jul 2026214 AMAQI
5th Jul 2026215 AMAQI
5th Jul 2026216 AMAQI
5th Jul 2026227 AMAQI
5th Jul 2026218 AMAQI
5th Jul 2026179 AMAQI
5th Jul 20261810 AMAQI
5th Jul 20261811 AMAQI
5th Jul 20261812 PMAQI
5th Jul 2026181 PMAQI
5th Jul 2026202 PMAQI
5th Jul 2026223 PMAQI
5th Jul 2026204 PMAQI
5th Jul 2026175 PMAQI
5th Jul 2026196 PMAQI
5th Jul 2026177 PMAQI
5th Jul 2026198 PMAQI
5th Jul 2026139 PMAQI
5th Jul 20261210 PMAQI
5th Jul 20261511 PMAQI
6th Jul 20261412 AMAQI
6th Jul 2026191 AMAQI
6th Jul 2026232 AMAQI
6th Jul 2026183 AMAQI
21°C20/23°C
6th Jul 2026184 AMAQI
6th Jul 2026125 AMAQI
6th Jul 2026136 AMAQI
6th Jul 2026117 AMAQI
6th Jul 2026108 AMAQI
6th Jul 2026159 AMAQI
6th Jul 20262710 AMAQI
6th Jul 20263411 AMAQI
6th Jul 20261512 PMAQI
6th Jul 2026161 PMAQI
6th Jul 2026182 PMAQI
6th Jul 202683 PMAQI
6th Jul 202684 PMAQI
6th Jul 202695 PMAQI
6th Jul 2026116 PMAQI
6th Jul 2026107 PMAQI
6th Jul 2026138 PMAQI
6th Jul 2026139 PMAQI
6th Jul 20261310 PMAQI
6th Jul 2026811 PMAQI
7th Jul 20261112 AMAQI
7th Jul 2026141 AMAQI
7th Jul 202682 AMAQI
7th Jul 2026143 AMAQI
21°C20/21°C
7th Jul 2026144 AMAQI
7th Jul 2026175 AMAQI
7th Jul 2026156 AMAQI
7th Jul 2026187 AMAQI
7th Jul 2026268 AMAQI
7th Jul 2026239 AMAQI
7th Jul 20262210 AMAQI
7th Jul 20262011 AMAQI
7th Jul 20262112 PMAQI
7th Jul 2026201 PMAQI
7th Jul 2026232 PMAQI
7th Jul 2026273 PMAQI
7th Jul 2026254 PMAQI
7th Jul 2026285 PMAQI
7th Jul 2026266 PMAQI
7th Jul 2026267 PMAQI
7th Jul 2026278 PMAQI
7th Jul 2026269 PMAQI
7th Jul 20262710 PMAQI
7th Jul 20262611 PMAQI
8th Jul 20262912 AMAQI
8th Jul 2026281 AMAQI
8th Jul 2026272 AMAQI
8th Jul 2026283 AMAQI
23°C20/28°C
8th Jul 2026274 AMAQI
8th Jul 2026275 AMAQI
8th Jul 2026296 AMAQI
8th Jul 2026287 AMAQI
8th Jul 2026298 AMAQI
8th Jul 2026269 AMAQI
8th Jul 20262510 AMAQI
8th Jul 20262211 AMAQI
8th Jul 20262412 PMAQI
8th Jul 2026231 PMAQI
8th Jul 2026232 PMAQI
8th Jul 2026243 PMAQI
8th Jul 2026274 PMAQI
8th Jul 2026245 PMAQI
8th Jul 2026236 PMAQI
8th Jul 2026207 PMAQI
8th Jul 2026208 PMAQI
8th Jul 2026219 PMAQI
8th Jul 20262210 PMAQI
8th Jul 20262411 PMAQI
9th Jul 20262712 AMAQI
9th Jul 2026271 AMAQI
9th Jul 2026282 AMAQI
9th Jul 2026283 AMAQI
24°C21/29°C
9th Jul 2026264 AMAQI
9th Jul 2026265 AMAQI
9th Jul 2026276 AMAQI
9th Jul 2026277 AMAQI
9th Jul 2026258 AMAQI
9th Jul 2026229 AMAQI
9th Jul 20262210 AMAQI
9th Jul 20262211 AMAQI
9th Jul 20262212 PMAQI
9th Jul 2026201 PMAQI
9th Jul 2026232 PMAQI
9th Jul 2026263 PMAQI
9th Jul 2026264 PMAQI
9th Jul 2026265 PMAQI
9th Jul 2026266 PMAQI
9th Jul 2026247 PMAQI
9th Jul 2026258 PMAQI
9th Jul 2026249 PMAQI
9th Jul 20262510 PMAQI
9th Jul 20262711 PMAQI
10th Jul 20262712 AMAQI
10th Jul 2026281 AMAQI
10th Jul 2026252 AMAQI
10th Jul 2026243 AMAQI
25°C21/31°C
10th Jul 2026234 AMAQI
10th Jul 2026265 AMAQI
10th Jul 2026276 AMAQI
10th Jul 2026277 AMAQI
10th Jul 2026278 AMAQI
10th Jul 2026299 AMAQI
10th Jul 20262910 AMAQI
10th Jul 20262611 AMAQI
10th Jul 20262512 PMAQI
10th Jul 2026241 PMAQI
10th Jul 2026222 PMAQI
10th Jul 2026223 PMAQI
10th Jul 2026244 PMAQI
10th Jul 2026285 PMAQI
10th Jul 2026286 PMAQI
10th Jul 2026287 PMAQI
10th Jul 2026278 PMAQI
10th Jul 2026299 PMAQI
10th Jul 20262910 PMAQI
10th Jul 20263011 PMAQI
11th Jul 20263012 AMAQI
11th Jul 2026261 AMAQI
11th Jul 2026302 AMAQI
11th Jul 2026293 AMAQI
26°C21/32°C
11th Jul 2026254 AMAQI
11th Jul 2026265 AMAQI
11th Jul 2026316 AMAQI
11th Jul 2026317 AMAQI
11th Jul 2026308 AMAQI
11th Jul 2026329 AMAQI
11th Jul 20263210 AMAQI
11th Jul 20262711 AMAQI
11th Jul 20262612 PMAQI
11th Jul 2026231 PMAQI
11th Jul 2026232 PMAQI
11th Jul 2026233 PMAQI
11th Jul 2026274 PMAQI
11th Jul 2026305 PMAQI
11th Jul 2026306 PMAQI
11th Jul 2026297 PMAQI
11th Jul 2026258 PMAQI
11th Jul 2026279 PMAQI
11th Jul 20262210 PMAQI
11th Jul 20262911 PMAQI
12th Jul 20262912 AMAQI
12th Jul 2026281 AMAQI
12th Jul 2026282 AMAQI
12th Jul 2026243 AMAQI
26°C22/32°C
12th Jul 2026224 AMAQI
12th Jul 2026215 AMAQI
12th Jul 2026236 AMAQI
12th Jul 2026247 AMAQI
12th Jul 2026268 AMAQI
12th Jul 2026269 AMAQI
12th Jul 20262810 AMAQI
12th Jul 20262411 AMAQI
12th Jul 20262412 PMAQI
12th Jul 2026211 PMAQI
12th Jul 2026212 PMAQI
12th Jul 2026223 PMAQI
12th Jul 2026244 PMAQI
12th Jul 2026295 PMAQI
12th Jul 2026286 PMAQI
12th Jul 2026287 PMAQI
12th Jul 2026288 PMAQI
12th Jul 2026319 PMAQI
12th Jul 20262910 PMAQI
12th Jul 20262911 PMAQI
13th Jul 20263112 AMAQI
13th Jul 2026301 AMAQI
13th Jul 2026302 AMAQI
13th Jul 2026313 AMAQI
27°C23/33°C
13th Jul 2026294 AMAQI
13th Jul 2026305 AMAQI
13th Jul 2026306 AMAQI
13th Jul 2026287 AMAQI
13th Jul 2026298 AMAQI
13th Jul 2026319 AMAQI
13th Jul 20263010 AMAQI
13th Jul 20262811 AMAQI
13th Jul 20262812 PMAQI
13th Jul 2026241 PMAQI
13th Jul 2026212 PMAQI
13th Jul 2026213 PMAQI
13th Jul 2026234 PMAQI
13th Jul 2026275 PMAQI
13th Jul 2026286 PMAQI
13th Jul 2026287 PMAQI
13th Jul 2026308 PMAQI
13th Jul 2026299 PMAQI
13th Jul 20263010 PMAQI
13th Jul 20263311 PMAQI
14th Jul 20263312 AMAQI
14th Jul 2026301 AMAQI
14th Jul 2026322 AMAQI
14th Jul 2026303 AMAQI
28°C24/33°C
14th Jul 2026274 AMAQI
14th Jul 2026295 AMAQI
14th Jul 2026306 AMAQI
14th Jul 2026297 AMAQI
14th Jul 2026268 AMAQI
14th Jul 2026319 AMAQI
14th Jul 20263010 AMAQI
14th Jul 20262611 AMAQI
14th Jul 20262612 PMAQI
14th Jul 2026231 PMAQI
14th Jul 2026232 PMAQI
14th Jul 2026213 PMAQI
14th Jul 2026254 PMAQI
14th Jul 2026295 PMAQI
14th Jul 2026306 PMAQI
14th Jul 2026297 PMAQI
14th Jul 2026298 PMAQI
14th Jul 2026309 PMAQI
14th Jul 20263110 PMAQI
14th Jul 20263111 PMAQI
15th Jul 20263312 AMAQI
15th Jul 2026311 AMAQI
15th Jul 2026302 AMAQI
15th Jul 2026313 AMAQI
29°C23/34°C
15th Jul 2026254 AMAQI
15th Jul 2026295 AMAQI
15th Jul 2026266 AMAQI
15th Jul 2026307 AMAQI
15th Jul 2026328 AMAQI
15th Jul 2026299 AMAQI
15th Jul 20263210 AMAQI
15th Jul 20263911 AMAQI
15th Jul 20262512 PMAQI
15th Jul 2026221 PMAQI
15th Jul 2026212 PMAQI
15th Jul 2026223 PMAQI
15th Jul 2026184 PMAQI
15th Jul 2026195 PMAQI
15th Jul 2026186 PMAQI
15th Jul 2026207 PMAQI
15th Jul 2026158 PMAQI
15th Jul 2026199 PMAQI
15th Jul 20263010 PMAQI
15th Jul 20265111 PMAQI
16th Jul 20265212 AMAQI
16th Jul 2026571 AMAQI
16th Jul 2026682 AMAQI
16th Jul 2026683 AMAQI
29°C24/34°C
16th Jul 2026734 AMAQI
16th Jul 2026735 AMAQI
16th Jul 2026696 AMAQI
16th Jul 2026687 AMAQI
16th Jul 2026668 AMAQI
16th Jul 2026679 AMAQI
16th Jul 20266010 AMAQI
16th Jul 20265511 AMAQI
16th Jul 20265812 PMAQI
16th Jul 2026681 PMAQI
16th Jul 2026622 PMAQI
16th Jul 2026603 PMAQI
16th Jul 2026574 PMAQI
16th Jul 2026535 PMAQI
16th Jul 2026556 PMAQI
16th Jul 2026527 PMAQI
16th Jul 2026488 PMAQI
16th Jul 2026479 PMAQI
16th Jul 20264010 PMAQI
16th Jul 20264111 PMAQI
17th Jul 20263712 AMAQI
17th Jul 2026391 AMAQI
17th Jul 2026392 AMAQI
17th Jul 2026413 AMAQI
28°C25/32°C
17th Jul 2026444 AMAQI
17th Jul 2026405 AMAQI
17th Jul 2026376 AMAQI
17th Jul 2026377 AMAQI
17th Jul 2026378 AMAQI
17th Jul 2026439 AMAQI
17th Jul 20264310 AMAQI
17th Jul 20264611 AMAQI
17th Jul 20265012 PMAQI
17th Jul 2026551 PMAQI
17th Jul 2026502 PMAQI
17th Jul 2026513 PMAQI
17th Jul 2026474 PMAQI
17th Jul 2026535 PMAQI
17th Jul 2026586 PMAQI
17th Jul 2026577 PMAQI
17th Jul 2026588 PMAQI
17th Jul 2026599 PMAQI
17th Jul 20265710 PMAQI
17th Jul 20265911 PMAQI
18th Jul 20265812 AMAQI
18th Jul 2026541 AMAQI
18th Jul 2026562 AMAQI
18th Jul 2026563 AMAQI
29°C23/35°C
18th Jul 2026554 AMAQI
18th Jul 2026555 AMAQI
18th Jul 2026556 AMAQI
18th Jul 2026577 AMAQI
18th Jul 2026588 AMAQI
18th Jul 2026569 AMAQI
18th Jul 20266110 AMAQI
18th Jul 20265711 AMAQI
18th Jul 20265812 PMAQI
18th Jul 2026551 PMAQI
18th Jul 2026592 PMAQI
18th Jul 2026643 PMAQI
18th Jul 2026634 PMAQI
18th Jul 2026615 PMAQI
18th Jul 2026636 PMAQI
18th Jul 2026557 PMAQI
18th Jul 2026438 PMAQI
18th Jul 2026479 PMAQI
18th Jul 20265010 PMAQI
18th Jul 20264711 PMAQI
19th Jul 20264312 AMAQI
19th Jul 2026431 AMAQI
19th Jul 2026432 AMAQI
19th Jul 2026453 AMAQI
29°C26/33°C
19th Jul 2026464 AMAQI
19th Jul 2026435 AMAQI
19th Jul 2026436 AMAQI
19th Jul 2026407 AMAQI
19th Jul 2026418 AMAQI
19th Jul 2026469 AMAQI
19th Jul 20264710 AMAQI
19th Jul 20264711 AMAQI
19th Jul 20264612 PMAQI
19th Jul 2026431 PMAQI
19th Jul 2026462 PMAQI
19th Jul 2026433 PMAQI
19th Jul 2026444 PMAQI
19th Jul 2026465 PMAQI
19th Jul 2026416 PMAQI
19th Jul 2026377 PMAQI
19th Jul 2026318 PMAQI
19th Jul 2026329 PMAQI
19th Jul 20263410 PMAQI
19th Jul 20263711 PMAQI
20th Jul 20263412 AMAQI
20th Jul 2026371 AMAQI
20th Jul 2026342 AMAQI
20th Jul 2026353 AMAQI
29°C24/33°C
20th Jul 2026364 AMAQI
20th Jul 2026355 AMAQI
20th Jul 2026356 AMAQI
20th Jul 2026377 AMAQI
20th Jul 2026358 AMAQI
20th Jul 2026359 AMAQI
20th Jul 20264010 AMAQI
20th Jul 20264311 AMAQI
20th Jul 20265012 PMAQI
20th Jul 2026491 PMAQI
20th Jul 2026532 PMAQI
20th Jul 2026523 PMAQI
20th Jul 2026524 PMAQI
20th Jul 2026525 PMAQI
20th Jul 2026496 PMAQI
20th Jul 2026457 PMAQI
20th Jul 2026458 PMAQI
20th Jul 2026479 PMAQI
20th Jul 20264910 PMAQI
20th Jul 20265111 PMAQI
21st Jul 20265312 AMAQI
21st Jul 2026551 AMAQI
21st Jul 2026532 AMAQI
21st Jul 2026573 AMAQI
30°C25/35°C
21st Jul 2026604 AMAQI
21st Jul 2026625 AMAQI
21st Jul 2026686 AMAQI
21st Jul 2026707 AMAQI
21st Jul 2026698 AMAQI
21st Jul 2026709 AMAQI
21st Jul 20266810 AMAQI
21st Jul 20266611 AMAQI
21st Jul 2026711 PMAQI
21st Jul 2026692 PMAQI
21st Jul 2026683 PMAQI
21st Jul 2026684 PMAQI
21st Jul 2026765 PMAQI
21st Jul 2026746 PMAQI
21st Jul 20261007 PMAQI
21st Jul 2026748 PMAQI
21st Jul 2026729 PMAQI
21st Jul 20267210 PMAQI
21st Jul 20267211 PMAQI
22nd Jul 20267312 AMAQI
22nd Jul 2026781 AMAQI
22nd Jul 2026702 AMAQI
22nd Jul 2026713 AMAQI
30°C26/36°C
22nd Jul 2026744 AMAQI
22nd Jul 2026635 AMAQI
22nd Jul 2026736 AMAQI
22nd Jul 2026697 AMAQI
22nd Jul 2026608 AMAQI
22nd Jul 2026659 AMAQI
22nd Jul 20266610 AMAQI
22nd Jul 20267711 AMAQI
22nd Jul 20268412 PMAQI
22nd Jul 2026821 PMAQI
22nd Jul 2026862 PMAQI
22nd Jul 2026863 PMAQI
22nd Jul 2026934 PMAQI
22nd Jul 2026965 PMAQI
22nd Jul 2026876 PMAQI
22nd Jul 2026817 PMAQI
22nd Jul 2026878 PMAQI
22nd Jul 2026899 PMAQI
22nd Jul 20268110 PMAQI
22nd Jul 20267611 PMAQI
23rd Jul 20267512 AMAQI
23rd Jul 2026801 AMAQI
23rd Jul 2026772 AMAQI
23rd Jul 2026723 AMAQI
31°C26/37°C
23rd Jul 2026684 AMAQI
23rd Jul 2026605 AMAQI
23rd Jul 2026716 AMAQI
23rd Jul 2026727 AMAQI
23rd Jul 2026668 AMAQI
23rd Jul 2026709 AMAQI
23rd Jul 20266610 AMAQI
23rd Jul 20266711 AMAQI
23rd Jul 20265112 PMAQI
23rd Jul 2026651 PMAQI
23rd Jul 2026652 PMAQI
23rd Jul 2026643 PMAQI
23rd Jul 2026614 PMAQI
23rd Jul 2026555 PMAQI
23rd Jul 2026406 PMAQI
23rd Jul 2026457 PMAQI
23rd Jul 2026338 PMAQI
23rd Jul 2026359 PMAQI
23rd Jul 20262910 PMAQI
23rd Jul 20263411 PMAQI
24th Jul 20263712 AMAQI
24th Jul 2026301 AMAQI
24th Jul 2026332 AMAQI
24th Jul 2026313 AMAQI
31°C26/37°C
24th Jul 2026344 AMAQI
24th Jul 2026385 AMAQI
24th Jul 2026336 AMAQI
24th Jul 2026317 AMAQI
24th Jul 2026328 AMAQI
24th Jul 2026339 AMAQI
24th Jul 20263310 AMAQI
24th Jul 20263011 AMAQI
24th Jul 20264712 PMAQI
24th Jul 2026521 PMAQI
24th Jul 2026592 PMAQI
24th Jul 2026513 PMAQI
24th Jul 2026534 PMAQI
24th Jul 2026535 PMAQI
24th Jul 2026466 PMAQI
24th Jul 2026447 PMAQI
24th Jul 2026318 PMAQI
24th Jul 2026309 PMAQI
24th Jul 20263610 PMAQI
24th Jul 20263611 PMAQI
25th Jul 20264512 AMAQI
25th Jul 2026401 AMAQI
25th Jul 2026402 AMAQI
25th Jul 2026393 AMAQI
31°C25/37°C
25th Jul 2026444 AMAQI
25th Jul 2026445 AMAQI
25th Jul 2026496 AMAQI
25th Jul 2026477 AMAQI
25th Jul 2026438 AMAQI
25th Jul 2026529 AMAQI
25th Jul 20265410 AMAQI
25th Jul 20265311 AMAQI
25th Jul 20265512 PMAQI
25th Jul 2026541 PMAQI
25th Jul 2026532 PMAQI
25th Jul 2026523 PMAQI
25th Jul 2026524 PMAQI
25th Jul 2026515 PMAQI
25th Jul 2026496 PMAQI
25th Jul 2026487 PMAQI
25th Jul 2026408 PMAQI
25th Jul 2026369 PMAQI
25th Jul 20263310 PMAQI
25th Jul 20263611 PMAQI
26th Jul 20263912 AMAQI
26th Jul 2026401 AMAQI
26th Jul 2026382 AMAQI
26th Jul 2026373 AMAQI
30°C25/36°C
26th Jul 2026374 AMAQI
26th Jul 2026355 AMAQI
26th Jul 2026376 AMAQI
26th Jul 2026377 AMAQI
26th Jul 2026408 AMAQI
26th Jul 2026399 AMAQI
26th Jul 20264810 AMAQI
26th Jul 20265211 AMAQI
26th Jul 20265912 PMAQI
26th Jul 2026551 PMAQI
26th Jul 2026542 PMAQI
26th Jul 2026583 PMAQI
26th Jul 2026444 PMAQI
26th Jul 2026415 PMAQI
26th Jul 2026416 PMAQI
26th Jul 2026397 PMAQI
26th Jul 2026308 PMAQI
26th Jul 2026289 PMAQI
26th Jul 20262510 PMAQI
26th Jul 20262611 PMAQI
27th Jul 20263412 AMAQI
27th Jul 2026301 AMAQI
27th Jul 2026262 AMAQI
27th Jul 2026303 AMAQI
29°C24/36°C
27th Jul 2026294 AMAQI
27th Jul 2026315 AMAQI
27th Jul 2026286 AMAQI
27th Jul 2026277 AMAQI
27th Jul 2026298 AMAQI
27th Jul 2026369 AMAQI
27th Jul 20265110 AMAQI
27th Jul 20263711 AMAQI
27th Jul 20262812 PMAQI
27th Jul 2026261 PMAQI
27th Jul 2026262 PMAQI
27th Jul 2026273 PMAQI
27th Jul 2026264 PMAQI
27th Jul 2026285 PMAQI
27th Jul 2026256 PMAQI
27th Jul 2026267 PMAQI
27th Jul 2026268 PMAQI
27th Jul 2026279 PMAQI
27th Jul 20262610 PMAQI
27th Jul 20262711 PMAQI
28th Jul 20262612 AMAQI
28th Jul 2026261 AMAQI
28th Jul 2026272 AMAQI
28th Jul 2026273 AMAQI
29°C25/35°C
28th Jul 2026284 AMAQI
28th Jul 2026275 AMAQI
28th Jul 2026266 AMAQI
28th Jul 2026287 AMAQI
28th Jul 2026288 AMAQI
28th Jul 2026339 AMAQI
28th Jul 20263910 AMAQI
28th Jul 20264511 AMAQI
28th Jul 20265412 PMAQI
28th Jul 2026591 PMAQI
28th Jul 2026562 PMAQI
28th Jul 2026473 PMAQI
28th Jul 2026474 PMAQI
28th Jul 2026535 PMAQI
28th Jul 2026496 PMAQI
28th Jul 2026247 PMAQI
28th Jul 2026228 PMAQI
28th Jul 2026239 PMAQI
28th Jul 20262310 PMAQI
28th Jul 20262211 PMAQI
29th Jul 20262512 AMAQI
29th Jul 2026281 AMAQI
29th Jul 2026262 AMAQI
29th Jul 2026253 AMAQI
27°C24/33°C
29th Jul 2026284 AMAQI
4 AM29th Jul 2026305 AMAQI
29th Jul 2026296 AMAQI
29th Jul 2026287 AMAQI
29th Jul 2026288 AMAQI
29th Jul 2026309 AMAQI
29th Jul 20264010 AMAQI
29th Jul 20264711 AMAQI
11 AM29th Jul 20264312 PMAQI
29th Jul 2026481 PMAQI
29th Jul 2026522 PMAQI
29th Jul 2026513 PMAQI
29th Jul 2026514 PMAQI
29th Jul 2026455 PMAQI
29th Jul 2026436 PMAQI
29th Jul 2026497 PMAQI
7 PM29th Jul 2026428 PMAQI
29th Jul 2026429 PMAQI
29th Jul 20264510 PMAQI
29th Jul 20264911 PMAQI
11 PM3 AM
27°C23/31°C
Day time
Avg. Highest Time
1 PM - 5 PM
41AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
4 AM - 8 AM
36AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 5 PM (Avg. 41), while the lowest AQI was between 4 AM to 8 AM (Avg. 36).
Night time
Avg. Highest Time
12 AM - 11 PM
35AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
35AQI
8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 35), while the lowest AQI was between 12 AM to 11 PM (Avg. 35).
2026 Days Vs Air Quality
Otsu, Shiga, Japan
2026
79%
166
21%
44
Total number of days with different AQI categories in last 210 days in 2026 (155 days remaining)
Good
166 DaysModerate
44 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 79%
Health Risk Level:
Low
In 2026, 79% of 210 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
Otsu, 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)
17AQI (US)
2nd January 2026
16AQI (US)
16AQI (US)
3rd January 2026
14AQI (US)
14AQI (US)
4th January 2026
24AQI (US)
24AQI (US)
5th January 2026
42AQI (US)
42AQI (US)
6th January 2026
19AQI (US)
19AQI (US)
7th January 2026
30AQI (US)
30AQI (US)
8th January 2026
32AQI (US)
32AQI (US)
9th January 2026
18AQI (US)
18AQI (US)
10th January 2026
29AQI (US)
29AQI (US)
11th January 2026
23AQI (US)
23AQI (US)
12th January 2026
25AQI (US)
25AQI (US)
13th January 2026
34AQI (US)
34AQI (US)
14th January 2026
21AQI (US)
21AQI (US)
15th January 2026
43AQI (US)
43AQI (US)
16th January 2026
55AQI (US)
55AQI (US)
17th January 2026
65AQI (US)
65AQI (US)
18th January 2026
49AQI (US)
49AQI (US)
19th January 2026
46AQI (US)
46AQI (US)
20th January 2026
27AQI (US)
27AQI (US)
21st January 2026
13AQI (US)
13AQI (US)
22nd January 2026
23AQI (US)
23AQI (US)
23rd January 2026
41AQI (US)
41AQI (US)
24th January 2026
47AQI (US)
47AQI (US)
25th January 2026
28AQI (US)
28AQI (US)
26th January 2026
26AQI (US)
26AQI (US)
27th January 2026
41AQI (US)
41AQI (US)
28th January 2026
25AQI (US)
25AQI (US)
29th January 2026
22AQI (US)
22AQI (US)
30th January 2026
34AQI (US)
34AQI (US)
31st January 2026
32AQI (US)
32AQI (US)
1st February 2026
38AQI (US)
38AQI (US)
2nd February 2026
49AQI (US)
49AQI (US)
3rd February 2026
32AQI (US)
32AQI (US)
4th February 2026
39AQI (US)
39AQI (US)
5th February 2026
56AQI (US)
56AQI (US)
6th February 2026
46AQI (US)
46AQI (US)
7th February 2026
14AQI (US)
14AQI (US)
8th February 2026
13AQI (US)
13AQI (US)
9th February 2026
36AQI (US)
36AQI (US)
10th February 2026
43AQI (US)
43AQI (US)
11th February 2026
43AQI (US)
43AQI (US)
12th February 2026
54AQI (US)
54AQI (US)
13th February 2026
60AQI (US)
60AQI (US)
14th February 2026
67AQI (US)
67AQI (US)
15th February 2026
50AQI (US)
50AQI (US)
16th February 2026
48AQI (US)
48AQI (US)
17th February 2026
16AQI (US)
16AQI (US)
18th February 2026
23AQI (US)
23AQI (US)
19th February 2026
33AQI (US)
33AQI (US)
20th February 2026
34AQI (US)
34AQI (US)
21st February 2026
57AQI (US)
57AQI (US)
22nd February 2026
41AQI (US)
41AQI (US)
23rd February 2026
55AQI (US)
55AQI (US)
24th February 2026
56AQI (US)
56AQI (US)
25th February 2026
27AQI (US)
27AQI (US)
26th February 2026
15AQI (US)
15AQI (US)
27th February 2026
45AQI (US)
45AQI (US)
28th February 2026
46AQI (US)
46AQI (US)
1st March 2026
42AQI (US)
42AQI (US)
2nd March 2026
81AQI (US)
81AQI (US)
3rd March 2026
45AQI (US)
45AQI (US)
4th March 2026
55AQI (US)
55AQI (US)
5th March 2026
55AQI (US)
55AQI (US)
6th March 2026
53AQI (US)
53AQI (US)
7th March 2026
47AQI (US)
47AQI (US)
8th March 2026
45AQI (US)
45AQI (US)
9th March 2026
49AQI (US)
49AQI (US)
10th March 2026
58AQI (US)
58AQI (US)
11th March 2026
55AQI (US)
55AQI (US)
12th March 2026
64AQI (US)
64AQI (US)
13th March 2026
43AQI (US)
43AQI (US)
14th March 2026
46AQI (US)
46AQI (US)
15th March 2026
61AQI (US)
61AQI (US)
16th March 2026
59AQI (US)
59AQI (US)
17th March 2026
52AQI (US)
52AQI (US)
18th March 2026
57AQI (US)
57AQI (US)
19th March 2026
50AQI (US)
50AQI (US)
20th March 2026
58AQI (US)
58AQI (US)
21st March 2026
47AQI (US)
47AQI (US)
22nd March 2026
52AQI (US)
52AQI (US)
23rd March 2026
49AQI (US)
49AQI (US)
24th March 2026
66AQI (US)
66AQI (US)
25th March 2026
58AQI (US)
58AQI (US)
26th March 2026
12AQI (US)
12AQI (US)
27th March 2026
39AQI (US)
39AQI (US)
28th March 2026
64AQI (US)
64AQI (US)
29th March 2026
74AQI (US)
74AQI (US)
30th March 2026
55AQI (US)
55AQI (US)
31st March 2026
24AQI (US)
24AQI (US)
1st April 2026
23AQI (US)
23AQI (US)
2nd April 2026
45AQI (US)
45AQI (US)
3rd April 2026
54AQI (US)
54AQI (US)
4th April 2026
42AQI (US)
42AQI (US)
5th April 2026
20AQI (US)
20AQI (US)
6th April 2026
37AQI (US)
37AQI (US)
7th April 2026
43AQI (US)
43AQI (US)
8th April 2026
33AQI (US)
33AQI (US)
9th April 2026
36AQI (US)
36AQI (US)
10th April 2026
47AQI (US)
47AQI (US)
11th April 2026
36AQI (US)
36AQI (US)
12th April 2026
34AQI (US)
34AQI (US)
13th April 2026
33AQI (US)
33AQI (US)
14th April 2026
43AQI (US)
43AQI (US)
15th April 2026
37AQI (US)
37AQI (US)
16th April 2026
34AQI (US)
34AQI (US)
17th April 2026
40AQI (US)
40AQI (US)
18th April 2026
30AQI (US)
30AQI (US)
19th April 2026
36AQI (US)
36AQI (US)
20th April 2026
38AQI (US)
38AQI (US)
21st April 2026
40AQI (US)
40AQI (US)
22nd April 2026
46AQI (US)
46AQI (US)
23rd April 2026
36AQI (US)
36AQI (US)
24th April 2026
32AQI (US)
32AQI (US)
25th April 2026
46AQI (US)
46AQI (US)
26th April 2026
50AQI (US)
50AQI (US)
27th April 2026
49AQI (US)
49AQI (US)
28th April 2026
46AQI (US)
46AQI (US)
29th April 2026
44AQI (US)
44AQI (US)
30th April 2026
28AQI (US)
28AQI (US)
1st May 2026
45AQI (US)
45AQI (US)
2nd May 2026
52AQI (US)
52AQI (US)
3rd May 2026
54AQI (US)
54AQI (US)
4th May 2026
23AQI (US)
23AQI (US)
5th May 2026
23AQI (US)
23AQI (US)
6th May 2026
30AQI (US)
30AQI (US)
7th May 2026
31AQI (US)
31AQI (US)
8th May 2026
26AQI (US)
26AQI (US)
9th May 2026
27AQI (US)
27AQI (US)
10th May 2026
29AQI (US)
29AQI (US)
11th May 2026
32AQI (US)
32AQI (US)
12th May 2026
34AQI (US)
34AQI (US)
13th May 2026
42AQI (US)
42AQI (US)
14th May 2026
37AQI (US)
37AQI (US)
15th May 2026
37AQI (US)
37AQI (US)
16th May 2026
83AQI (US)
83AQI (US)
17th May 2026
67AQI (US)
67AQI (US)
18th May 2026
53AQI (US)
53AQI (US)
19th May 2026
48AQI (US)
48AQI (US)
20th May 2026
61AQI (US)
61AQI (US)
21st May 2026
61AQI (US)
61AQI (US)
22nd May 2026
64AQI (US)
64AQI (US)
23rd May 2026
56AQI (US)
56AQI (US)
24th May 2026
60AQI (US)
60AQI (US)
25th May 2026
50AQI (US)
50AQI (US)
26th May 2026
40AQI (US)
40AQI (US)
27th May 2026
24AQI (US)
24AQI (US)
28th May 2026
25AQI (US)
25AQI (US)
29th May 2026
25AQI (US)
25AQI (US)
30th May 2026
25AQI (US)
25AQI (US)
31st May 2026
28AQI (US)
28AQI (US)
1st June 2026
30AQI (US)
30AQI (US)
2nd June 2026
26AQI (US)
26AQI (US)
3rd June 2026
20AQI (US)
20AQI (US)
4th June 2026
25AQI (US)
25AQI (US)
5th June 2026
22AQI (US)
22AQI (US)
6th June 2026
24AQI (US)
24AQI (US)
7th June 2026
21AQI (US)
21AQI (US)
8th June 2026
21AQI (US)
21AQI (US)
9th June 2026
23AQI (US)
23AQI (US)
10th June 2026
22AQI (US)
22AQI (US)
11th June 2026
25AQI (US)
25AQI (US)
12th June 2026
41AQI (US)
41AQI (US)
13th June 2026
29AQI (US)
29AQI (US)
14th June 2026
25AQI (US)
25AQI (US)
15th June 2026
23AQI (US)
23AQI (US)
16th June 2026
28AQI (US)
28AQI (US)
17th June 2026
24AQI (US)
24AQI (US)
18th June 2026
20AQI (US)
20AQI (US)
19th June 2026
30AQI (US)
30AQI (US)
20th June 2026
22AQI (US)
22AQI (US)
21st June 2026
21AQI (US)
21AQI (US)
22nd June 2026
19AQI (US)
19AQI (US)
23rd June 2026
21AQI (US)
21AQI (US)
24th June 2026
21AQI (US)
21AQI (US)
25th June 2026
26AQI (US)
26AQI (US)
26th June 2026
29AQI (US)
29AQI (US)
27th June 2026
26AQI (US)
26AQI (US)
28th June 2026
28AQI (US)
28AQI (US)
29th June 2026
28AQI (US)
28AQI (US)
30th June 2026
44AQI (US)
44AQI (US)
1st July 2026
58AQI (US)
58AQI (US)
2nd July 2026
13AQI (US)
13AQI (US)
3rd July 2026
26AQI (US)
26AQI (US)
4th July 2026
25AQI (US)
25AQI (US)
5th July 2026
19AQI (US)
19AQI (US)
6th July 2026
15AQI (US)
15AQI (US)
7th July 2026
21AQI (US)
21AQI (US)
8th July 2026
25AQI (US)
25AQI (US)
9th July 2026
25AQI (US)
25AQI (US)
10th July 2026
26AQI (US)
26AQI (US)
11th July 2026
28AQI (US)
28AQI (US)
12th July 2026
26AQI (US)
26AQI (US)
13th July 2026
28AQI (US)
28AQI (US)
14th July 2026
28AQI (US)
28AQI (US)
15th July 2026
27AQI (US)
27AQI (US)
16th July 2026
59AQI (US)
59AQI (US)
17th July 2026
47AQI (US)
47AQI (US)
18th July 2026
56AQI (US)
56AQI (US)
19th July 2026
42AQI (US)
42AQI (US)
20th July 2026
43AQI (US)
43AQI (US)
21st July 2026
68AQI (US)
68AQI (US)
22nd July 2026
78AQI (US)
78AQI (US)
23rd July 2026
59AQI (US)
59AQI (US)
24th July 2026
39AQI (US)
39AQI (US)
25th July 2026
46AQI (US)
46AQI (US)
26th July 2026
41AQI (US)
41AQI (US)
27th July 2026
29AQI (US)
29AQI (US)
28th July 2026
35AQI (US)
35AQI (US)
29th July 2026
39AQI (US)
39AQI (US)
30th July 2026
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
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
31AQI (US)
41AQI (US)
52AQI (US)
39AQI (US)
42AQI (US)
25AQI (US)
37AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202638AQI (US)
29
2
21
7
13
18
29
1
21
10
30
23
6
166
44
Highest AQI (US) recorded in
March52AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202543AQI (US)
27
4
24
4
22
9
19
11
22
9
23
7
16
15
20
11
29
1
23
8
22
8
26
5
273
92
Highest AQI (US) recorded in
July54AQI (US)
Lowest AQI (US) recorded in
September34AQI (US)
202438AQI (US)
30
1
26
3
23
8
19
10
1
27
4
26
4
26
5
28
3
27
3
29
2
28
2
31
320
45
1
Highest AQI (US) recorded in
April51AQI (US)
Lowest AQI (US) recorded in
December32AQI (US)
202342AQI (US)
26
5
27
1
20
11
17
13
24
7
16
14
18
13
29
2
27
3
24
7
22
7
25
6
275
89
Highest AQI (US) recorded in
April50AQI (US)
Lowest AQI (US) recorded in
August34AQI (US)
202242AQI (US)
29
1
18
3
22
9
22
8
15
16
21
9
14
7
1
23
5
26
5
25
5
31
247
68
Highest AQI (US) recorded in
May51AQI (US)
Lowest AQI (US) recorded in
December35AQI (US)
202138AQI (US)
26
4
20
8
25
6
26
4
25
6
25
5
27
4
25
6
25
5
30
1
23
7
28
3
305
59
Highest AQI (US) recorded in
June46AQI (US)
Lowest AQI (US) recorded in
January33AQI (US)
202038AQI (US)
11
2
18
3
18
21
9
28
3
13
17
1
18
1
28
3
24
6
29
2
208
46
1
Highest AQI (US) recorded in
August56AQI (US)
Lowest AQI (US) recorded in
December33AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
43AQI (US)Least Polluted Year Recorded
2020(Avg.)
38AQI (US)Otsu's annual 2026 AQI (US) (38) shows an average percentage change of -5.1% (improved AQI (US)) compared to previous years: 2020 (38), 2021 (38), 2022 (42), 2023 (42), 2024 (38), 2025 (43).
