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+
September Air Quality Analysis
Ritto, Shiga, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
13th Sep 2024
64AQILowest AQI recorded on
10th Sep 2024
9AQISame Day Analysis (18th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 36 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 19th Sep - 20th Sep 2025
Ritto, Shiga, Japan
AQI
Day
Night
.
5 AM19th Sep 2025
6 PM
4 AM20th Sep 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
6AM19th Sep
44AQI
Avg. Lowest Time
10AM19th Sep
13AQI
In the last 24 hours,
Ritto's AQI reached its highest point of 44 at 6 AM during the Night, while the lowest point, 13, was recorded at 10 AM during the Night between 19th Sep and 20th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Ritto, Shiga, Japan
AugSep
21st - 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 - 17th17th - 18th18th - 19th19th - 20th20th
Day
Night
21st Aug 2025455 AMAQI
21st Aug 2025466 AMAQI
21st Aug 2025457 AMAQI
21st Aug 2025468 AMAQI
21st Aug 2025469 AMAQI
21st Aug 20254910 AMAQI
21st Aug 20254911 AMAQI
21st Aug 20254812 PMAQI
21st Aug 2025461 PMAQI
21st Aug 2025532 PMAQI
21st Aug 2025513 PMAQI
21st Aug 2025504 PMAQI
21st Aug 2025435 PMAQI
21st Aug 2025446 PMAQI
21st Aug 2025467 PMAQI
21st Aug 2025538 PMAQI
21st Aug 2025449 PMAQI
21st Aug 20254310 PMAQI
21st Aug 20254011 PMAQI
22nd Aug 20254212 AMAQI
22nd Aug 2025461 AMAQI
22nd Aug 2025452 AMAQI
22nd Aug 2025453 AMAQI
22nd Aug 2025464 AMAQI
29°C25/34°C
22nd Aug 2025465 AMAQI
22nd Aug 2025486 AMAQI
22nd Aug 2025477 AMAQI
22nd Aug 2025468 AMAQI
22nd Aug 2025489 AMAQI
22nd Aug 20254610 AMAQI
22nd Aug 20254311 AMAQI
22nd Aug 20254412 PMAQI
22nd Aug 2025481 PMAQI
22nd Aug 2025452 PMAQI
22nd Aug 2025373 PMAQI
22nd Aug 2025384 PMAQI
22nd Aug 2025325 PMAQI
22nd Aug 2025306 PMAQI
22nd Aug 2025387 PMAQI
22nd Aug 2025428 PMAQI
22nd Aug 2025419 PMAQI
22nd Aug 20254010 PMAQI
22nd Aug 20253811 PMAQI
23rd Aug 20253912 AMAQI
23rd Aug 2025441 AMAQI
23rd Aug 2025452 AMAQI
23rd Aug 2025463 AMAQI
23rd Aug 2025464 AMAQI
29°C25/34°C
23rd Aug 2025465 AMAQI
23rd Aug 2025476 AMAQI
23rd Aug 2025487 AMAQI
23rd Aug 2025488 AMAQI
23rd Aug 2025349 AMAQI
23rd Aug 20253610 AMAQI
23rd Aug 20254311 AMAQI
23rd Aug 20255012 PMAQI
23rd Aug 2025521 PMAQI
23rd Aug 2025482 PMAQI
23rd Aug 2025533 PMAQI
23rd Aug 2025554 PMAQI
23rd Aug 2025595 PMAQI
23rd Aug 2025566 PMAQI
23rd Aug 2025597 PMAQI
23rd Aug 2025568 PMAQI
23rd Aug 2025549 PMAQI
23rd Aug 20255410 PMAQI
23rd Aug 20255411 PMAQI
24th Aug 20255412 AMAQI
24th Aug 2025481 AMAQI
24th Aug 2025442 AMAQI
24th Aug 2025473 AMAQI
24th Aug 2025474 AMAQI
28°C25/32°C
24th Aug 2025465 AMAQI
24th Aug 2025466 AMAQI
24th Aug 2025467 AMAQI
24th Aug 2025468 AMAQI
24th Aug 2025559 AMAQI
24th Aug 20256110 AMAQI
24th Aug 20256011 AMAQI
24th Aug 20256112 PMAQI
24th Aug 2025631 PMAQI
24th Aug 2025622 PMAQI
24th Aug 2025663 PMAQI
24th Aug 2025634 PMAQI
24th Aug 2025655 PMAQI
24th Aug 2025686 PMAQI
24th Aug 2025607 PMAQI
24th Aug 2025588 PMAQI
24th Aug 2025529 PMAQI
24th Aug 20255310 PMAQI
24th Aug 20255311 PMAQI
25th Aug 20255312 AMAQI
25th Aug 2025491 AMAQI
25th Aug 2025472 AMAQI
25th Aug 2025473 AMAQI
25th Aug 2025504 AMAQI
29°C25/34°C
25th Aug 2025515 AMAQI
25th Aug 2025516 AMAQI
25th Aug 2025527 AMAQI
25th Aug 2025528 AMAQI
25th Aug 2025569 AMAQI
25th Aug 20255610 AMAQI
25th Aug 20256111 AMAQI
25th Aug 20256112 PMAQI
25th Aug 2025691 PMAQI
25th Aug 2025652 PMAQI
25th Aug 2025643 PMAQI
25th Aug 2025674 PMAQI
25th Aug 2025615 PMAQI
25th Aug 2025616 PMAQI
25th Aug 2025607 PMAQI
25th Aug 2025558 PMAQI
25th Aug 2025529 PMAQI
25th Aug 20255210 PMAQI
25th Aug 20255411 PMAQI
26th Aug 20255412 AMAQI
26th Aug 2025511 AMAQI
26th Aug 2025502 AMAQI
26th Aug 2025483 AMAQI
26th Aug 2025524 AMAQI
28°C24/34°C
26th Aug 2025525 AMAQI
26th Aug 2025526 AMAQI
26th Aug 2025527 AMAQI
26th Aug 2025518 AMAQI
26th Aug 2025559 AMAQI
26th Aug 20256210 AMAQI
26th Aug 20256911 AMAQI
26th Aug 20257112 PMAQI
26th Aug 2025681 PMAQI
26th Aug 2025622 PMAQI
26th Aug 2025623 PMAQI
26th Aug 2025574 PMAQI
26th Aug 2025635 PMAQI
26th Aug 2025596 PMAQI
26th Aug 2025637 PMAQI
26th Aug 2025568 PMAQI
26th Aug 2025549 PMAQI
26th Aug 20255410 PMAQI
26th Aug 20255311 PMAQI
27th Aug 20255112 AMAQI
27th Aug 2025521 AMAQI
27th Aug 2025522 AMAQI
27th Aug 2025523 AMAQI
27th Aug 2025534 AMAQI
28°C25/32°C
27th Aug 2025545 AMAQI
27th Aug 2025536 AMAQI
27th Aug 2025547 AMAQI
27th Aug 2025548 AMAQI
27th Aug 2025479 AMAQI
27th Aug 20255010 AMAQI
27th Aug 20255411 AMAQI
27th Aug 20255812 PMAQI
27th Aug 2025591 PMAQI
27th Aug 2025602 PMAQI
27th Aug 2025563 PMAQI
27th Aug 2025604 PMAQI
27th Aug 2025595 PMAQI
27th Aug 2025586 PMAQI
27th Aug 2025547 PMAQI
27th Aug 2025518 PMAQI
27th Aug 2025529 PMAQI
27th Aug 20255210 PMAQI
27th Aug 20255011 PMAQI
28th Aug 20255112 AMAQI
28th Aug 2025501 AMAQI
28th Aug 2025522 AMAQI
28th Aug 2025533 AMAQI
28th Aug 2025524 AMAQI
27°C24/32°C
28th Aug 2025535 AMAQI
28th Aug 2025536 AMAQI
28th Aug 2025527 AMAQI
28th Aug 2025538 AMAQI
28th Aug 2025529 AMAQI
28th Aug 20255410 AMAQI
28th Aug 20255211 AMAQI
28th Aug 20255512 PMAQI
28th Aug 2025561 PMAQI
28th Aug 2025512 PMAQI
28th Aug 2025593 PMAQI
28th Aug 2025604 PMAQI
28th Aug 2025565 PMAQI
28th Aug 2025606 PMAQI
28th Aug 2025547 PMAQI
28th Aug 2025568 PMAQI
28th Aug 2025519 PMAQI
28th Aug 20255210 PMAQI
28th Aug 20255011 PMAQI
29th Aug 20254812 AMAQI
29th Aug 2025521 AMAQI
29th Aug 2025522 AMAQI
29th Aug 2025523 AMAQI
29th Aug 2025504 AMAQI
27°C23/31°C
29th Aug 2025515 AMAQI
29th Aug 2025516 AMAQI
29th Aug 2025517 AMAQI
29th Aug 2025528 AMAQI
29th Aug 2025419 AMAQI
29th Aug 20255210 AMAQI
29th Aug 20255411 AMAQI
29th Aug 20255312 PMAQI
29th Aug 2025571 PMAQI
29th Aug 2025582 PMAQI
29th Aug 2025623 PMAQI
29th Aug 2025604 PMAQI
29th Aug 2025645 PMAQI
29th Aug 2025626 PMAQI
29th Aug 2025627 PMAQI
29th Aug 2025588 PMAQI
29th Aug 2025589 PMAQI
29th Aug 20255610 PMAQI
29th Aug 20255611 PMAQI
30th Aug 20255512 AMAQI
30th Aug 2025521 AMAQI
30th Aug 2025512 AMAQI
30th Aug 2025513 AMAQI
30th Aug 2025524 AMAQI
28°C24/34°C
30th Aug 2025525 AMAQI
30th Aug 2025526 AMAQI
30th Aug 2025527 AMAQI
30th Aug 2025528 AMAQI
30th Aug 2025549 AMAQI
30th Aug 20255910 AMAQI
30th Aug 20256411 AMAQI
30th Aug 20255612 PMAQI
30th Aug 2025581 PMAQI
30th Aug 2025582 PMAQI
30th Aug 2025543 PMAQI
30th Aug 2025564 PMAQI
30th Aug 2025595 PMAQI
30th Aug 2025606 PMAQI
30th Aug 2025607 PMAQI
30th Aug 2025588 PMAQI
30th Aug 2025539 PMAQI
30th Aug 20255310 PMAQI
30th Aug 20255311 PMAQI
31st Aug 20255012 AMAQI
31st Aug 2025521 AMAQI
31st Aug 2025522 AMAQI
31st Aug 2025523 AMAQI
31st Aug 2025524 AMAQI
29°C25/35°C
31st Aug 2025535 AMAQI
31st Aug 2025526 AMAQI
31st Aug 2025527 AMAQI
31st Aug 2025528 AMAQI
31st Aug 2025579 AMAQI
31st Aug 20255510 AMAQI
31st Aug 20255611 AMAQI
31st Aug 20255412 PMAQI
31st Aug 2025591 PMAQI
31st Aug 2025562 PMAQI
31st Aug 2025573 PMAQI
31st Aug 2025564 PMAQI
31st Aug 2025545 PMAQI
31st Aug 2025556 PMAQI
31st Aug 2025557 PMAQI
31st Aug 2025558 PMAQI
31st Aug 2025549 PMAQI
31st Aug 20255410 PMAQI
31st Aug 20255011 PMAQI
1st Sep 20255012 AMAQI
1st Sep 2025531 AMAQI
1st Sep 2025512 AMAQI
1st Sep 2025503 AMAQI
1st Sep 2025524 AMAQI
30°C25/36°C
1st Sep 2025525 AMAQI
1st Sep 2025516 AMAQI
1st Sep 2025527 AMAQI
1st Sep 2025528 AMAQI
1st Sep 2025409 AMAQI
1st Sep 20253910 AMAQI
1st Sep 20253511 AMAQI
1st Sep 20253212 PMAQI
1st Sep 2025391 PMAQI
1st Sep 2025332 PMAQI
1st Sep 2025463 PMAQI
1st Sep 2025274 PMAQI
1st Sep 2025355 PMAQI
1st Sep 2025256 PMAQI
1st Sep 2025277 PMAQI
1st Sep 2025378 PMAQI
1st Sep 2025379 PMAQI
1st Sep 20253710 PMAQI
1st Sep 20253611 PMAQI
2nd Sep 20254212 AMAQI
2nd Sep 2025481 AMAQI
2nd Sep 2025502 AMAQI
2nd Sep 2025503 AMAQI
2nd Sep 2025474 AMAQI
29°C25/35°C
2nd Sep 2025465 AMAQI
2nd Sep 2025486 AMAQI
2nd Sep 2025467 AMAQI
2nd Sep 2025478 AMAQI
2nd Sep 2025209 AMAQI
2nd Sep 20252010 AMAQI
2nd Sep 20252411 AMAQI
2nd Sep 20252812 PMAQI
2nd Sep 2025271 PMAQI
2nd Sep 2025242 PMAQI
2nd Sep 2025263 PMAQI
2nd Sep 2025244 PMAQI
2nd Sep 2025265 PMAQI
2nd Sep 2025256 PMAQI
2nd Sep 2025237 PMAQI
2nd Sep 2025328 PMAQI
2nd Sep 2025349 PMAQI
2nd Sep 20253510 PMAQI
2nd Sep 20253411 PMAQI
3rd Sep 20253412 AMAQI
3rd Sep 2025411 AMAQI
3rd Sep 2025462 AMAQI
3rd Sep 2025473 AMAQI
3rd Sep 2025444 AMAQI
29°C25/34°C
3rd Sep 2025425 AMAQI
3rd Sep 2025436 AMAQI
3rd Sep 2025447 AMAQI
3rd Sep 2025438 AMAQI
3rd Sep 2025249 AMAQI
3rd Sep 20252810 AMAQI
3rd Sep 20253011 AMAQI
3rd Sep 20253012 PMAQI
3rd Sep 2025281 PMAQI
3rd Sep 2025292 PMAQI
3rd Sep 2025303 PMAQI
3rd Sep 2025354 PMAQI
3rd Sep 2025355 PMAQI
3rd Sep 2025366 PMAQI
3rd Sep 2025317 PMAQI
3rd Sep 2025308 PMAQI
3rd Sep 2025309 PMAQI
3rd Sep 20253110 PMAQI
3rd Sep 20253011 PMAQI
4th Sep 20253212 AMAQI
4th Sep 2025401 AMAQI
4th Sep 2025432 AMAQI
4th Sep 2025423 AMAQI
4th Sep 2025404 AMAQI
28°C25/33°C
4th Sep 2025405 AMAQI
4th Sep 2025396 AMAQI
4th Sep 2025397 AMAQI
4th Sep 2025408 AMAQI
4th Sep 2025279 AMAQI
4th Sep 20252510 AMAQI
4th Sep 20251811 AMAQI
4th Sep 20252012 PMAQI
4th Sep 2025241 PMAQI
4th Sep 2025252 PMAQI
4th Sep 2025193 PMAQI
4th Sep 2025214 PMAQI
4th Sep 2025175 PMAQI
4th Sep 2025146 PMAQI
4th Sep 2025147 PMAQI
4th Sep 2025158 PMAQI
4th Sep 2025179 PMAQI
4th Sep 20251110 PMAQI
4th Sep 20251111 PMAQI
5th Sep 20251112 AMAQI
5th Sep 2025221 AMAQI
5th Sep 2025412 AMAQI
5th Sep 2025383 AMAQI
5th Sep 2025374 AMAQI
25°C23/26°C
5th Sep 2025375 AMAQI
5th Sep 2025366 AMAQI
5th Sep 2025367 AMAQI
5th Sep 2025368 AMAQI
5th Sep 2025179 AMAQI
5th Sep 20251710 AMAQI
5th Sep 20251711 AMAQI
5th Sep 20251812 PMAQI
5th Sep 2025191 PMAQI
5th Sep 2025182 PMAQI
5th Sep 2025223 PMAQI
5th Sep 2025224 PMAQI
5th Sep 2025195 PMAQI
5th Sep 2025226 PMAQI
5th Sep 2025387 PMAQI
5th Sep 2025308 PMAQI
5th Sep 2025249 PMAQI
5th Sep 20252010 PMAQI
5th Sep 20252011 PMAQI
6th Sep 20251912 AMAQI
6th Sep 2025231 AMAQI
6th Sep 2025232 AMAQI
6th Sep 2025243 AMAQI
6th Sep 2025264 AMAQI
24°C23/27°C
6th Sep 2025265 AMAQI
6th Sep 2025286 AMAQI
6th Sep 2025267 AMAQI
6th Sep 2025278 AMAQI
6th Sep 2025189 AMAQI
6th Sep 20252210 AMAQI
6th Sep 20253011 AMAQI
6th Sep 20252512 PMAQI
6th Sep 2025261 PMAQI
6th Sep 2025232 PMAQI
6th Sep 2025313 PMAQI
6th Sep 2025244 PMAQI
6th Sep 2025315 PMAQI
6th Sep 2025316 PMAQI
6th Sep 2025317 PMAQI
6th Sep 2025308 PMAQI
6th Sep 2025339 PMAQI
6th Sep 20253110 PMAQI
6th Sep 20253111 PMAQI
7th Sep 20253012 AMAQI
7th Sep 2025251 AMAQI
7th Sep 2025252 AMAQI
7th Sep 2025243 AMAQI
7th Sep 2025244 AMAQI
26°C21/31°C
7th Sep 2025255 AMAQI
7th Sep 2025236 AMAQI
7th Sep 2025257 AMAQI
7th Sep 2025258 AMAQI
7th Sep 2025299 AMAQI
7th Sep 20253210 AMAQI
7th Sep 20253611 AMAQI
7th Sep 20254112 PMAQI
7th Sep 2025501 PMAQI
7th Sep 2025382 PMAQI
7th Sep 2025393 PMAQI
7th Sep 2025374 PMAQI
7th Sep 2025395 PMAQI
7th Sep 2025406 PMAQI
7th Sep 2025447 PMAQI
7th Sep 2025388 PMAQI
7th Sep 2025349 PMAQI
7th Sep 20253010 PMAQI
7th Sep 20252911 PMAQI
8th Sep 20253012 AMAQI
8th Sep 2025271 AMAQI
8th Sep 2025262 AMAQI
8th Sep 2025263 AMAQI
8th Sep 2025344 AMAQI
27°C23/31°C
8th Sep 2025275 AMAQI
8th Sep 2025276 AMAQI
8th Sep 2025287 AMAQI
8th Sep 2025278 AMAQI
8th Sep 2025359 AMAQI
8th Sep 20254010 AMAQI
8th Sep 20253811 AMAQI
8th Sep 20254412 PMAQI
8th Sep 2025281 PMAQI
8th Sep 2025382 PMAQI
8th Sep 2025403 PMAQI
8th Sep 2025444 PMAQI
8th Sep 2025465 PMAQI
8th Sep 2025406 PMAQI
8th Sep 2025427 PMAQI
8th Sep 2025358 PMAQI
8th Sep 2025349 PMAQI
8th Sep 20253510 PMAQI
8th Sep 20253611 PMAQI
9th Sep 20253012 AMAQI
9th Sep 2025321 AMAQI
9th Sep 2025292 AMAQI
9th Sep 2025303 AMAQI
9th Sep 2025314 AMAQI
27°C24/31°C
9th Sep 2025325 AMAQI
9th Sep 2025326 AMAQI
9th Sep 2025317 AMAQI
9th Sep 2025308 AMAQI
9th Sep 2025349 AMAQI
9th Sep 20253410 AMAQI
9th Sep 20253911 AMAQI
9th Sep 20254212 PMAQI
9th Sep 2025401 PMAQI
9th Sep 2025392 PMAQI
9th Sep 2025363 PMAQI
9th Sep 2025404 PMAQI
9th Sep 2025425 PMAQI
9th Sep 2025506 PMAQI
9th Sep 2025497 PMAQI
9th Sep 2025428 PMAQI
9th Sep 2025409 PMAQI
9th Sep 20253610 PMAQI
9th Sep 20253611 PMAQI
10th Sep 20253612 AMAQI
10th Sep 2025331 AMAQI
10th Sep 2025302 AMAQI
10th Sep 2025313 AMAQI
10th Sep 2025314 AMAQI
28°C24/33°C
10th Sep 2025325 AMAQI
10th Sep 2025316 AMAQI
10th Sep 2025327 AMAQI
10th Sep 2025328 AMAQI
10th Sep 2025419 AMAQI
10th Sep 20254910 AMAQI
10th Sep 20255011 AMAQI
10th Sep 20255012 PMAQI
10th Sep 2025551 PMAQI
10th Sep 2025392 PMAQI
10th Sep 2025393 PMAQI
10th Sep 2025354 PMAQI
10th Sep 2025265 PMAQI
10th Sep 2025306 PMAQI
10th Sep 2025267 PMAQI
10th Sep 2025298 PMAQI
10th Sep 2025289 PMAQI
10th Sep 20252910 PMAQI
10th Sep 20252611 PMAQI
11th Sep 20252812 AMAQI
11th Sep 2025331 AMAQI
11th Sep 2025342 AMAQI
11th Sep 2025343 AMAQI
11th Sep 2025354 AMAQI
27°C23/32°C
11th Sep 2025365 AMAQI
11th Sep 2025366 AMAQI
11th Sep 2025347 AMAQI
11th Sep 2025358 AMAQI
11th Sep 2025189 AMAQI
11th Sep 20253210 AMAQI
11th Sep 20252111 AMAQI
11th Sep 20251812 PMAQI
11th Sep 2025241 PMAQI
11th Sep 2025352 PMAQI
11th Sep 2025273 PMAQI
11th Sep 2025284 PMAQI
11th Sep 2025235 PMAQI
11th Sep 2025226 PMAQI
11th Sep 2025277 PMAQI
11th Sep 2025298 PMAQI
11th Sep 2025299 PMAQI
11th Sep 20252810 PMAQI
11th Sep 20252611 PMAQI
12th Sep 20252812 AMAQI
12th Sep 2025351 AMAQI
12th Sep 2025332 AMAQI
12th Sep 2025333 AMAQI
12th Sep 2025324 AMAQI
25°C22/28°C
12th Sep 2025325 AMAQI
12th Sep 2025316 AMAQI
12th Sep 2025317 AMAQI
12th Sep 2025318 AMAQI
12th Sep 2025229 AMAQI
12th Sep 20252110 AMAQI
12th Sep 20251911 AMAQI
12th Sep 20252312 PMAQI
12th Sep 2025261 PMAQI
12th Sep 2025302 PMAQI
12th Sep 2025303 PMAQI
12th Sep 2025324 PMAQI
12th Sep 2025285 PMAQI
12th Sep 2025336 PMAQI
12th Sep 2025347 PMAQI
12th Sep 2025298 PMAQI
12th Sep 2025319 PMAQI
12th Sep 20252410 PMAQI
12th Sep 20252611 PMAQI
13th Sep 20252812 AMAQI
13th Sep 2025331 AMAQI
13th Sep 2025322 AMAQI
13th Sep 2025333 AMAQI
13th Sep 2025314 AMAQI
25°C22/28°C
13th Sep 2025315 AMAQI
13th Sep 2025306 AMAQI
13th Sep 2025317 AMAQI
13th Sep 2025308 AMAQI
13th Sep 2025159 AMAQI
13th Sep 20252410 AMAQI
13th Sep 20253011 AMAQI
13th Sep 20253212 PMAQI
13th Sep 2025271 PMAQI
13th Sep 2025282 PMAQI
13th Sep 2025243 PMAQI
13th Sep 2025224 PMAQI
13th Sep 2025235 PMAQI
13th Sep 2025246 PMAQI
13th Sep 2025257 PMAQI
13th Sep 2025328 PMAQI
13th Sep 2025299 PMAQI
13th Sep 20253110 PMAQI
13th Sep 20253411 PMAQI
14th Sep 20253212 AMAQI
14th Sep 2025321 AMAQI
14th Sep 2025322 AMAQI
14th Sep 2025313 AMAQI
14th Sep 2025314 AMAQI
26°C23/29°C
14th Sep 2025315 AMAQI
14th Sep 2025306 AMAQI
14th Sep 2025317 AMAQI
14th Sep 2025328 AMAQI
14th Sep 2025409 AMAQI
14th Sep 20255310 AMAQI
14th Sep 20254211 AMAQI
14th Sep 20254812 PMAQI
14th Sep 2025501 PMAQI
14th Sep 2025442 PMAQI
14th Sep 2025413 PMAQI
14th Sep 2025324 PMAQI
14th Sep 2025465 PMAQI
14th Sep 2025486 PMAQI
14th Sep 2025477 PMAQI
14th Sep 2025488 PMAQI
14th Sep 2025459 PMAQI
14th Sep 20254510 PMAQI
14th Sep 20254211 PMAQI
15th Sep 20254112 AMAQI
15th Sep 2025341 AMAQI
15th Sep 2025332 AMAQI
15th Sep 2025363 AMAQI
15th Sep 2025344 AMAQI
26°C24/30°C
15th Sep 2025355 AMAQI
15th Sep 2025366 AMAQI
15th Sep 2025357 AMAQI
15th Sep 2025378 AMAQI
15th Sep 2025389 AMAQI
15th Sep 20254010 AMAQI
15th Sep 20254011 AMAQI
15th Sep 20254512 PMAQI
15th Sep 2025401 PMAQI
15th Sep 2025362 PMAQI
15th Sep 2025323 PMAQI
15th Sep 2025324 PMAQI
15th Sep 2025325 PMAQI
15th Sep 2025286 PMAQI
15th Sep 2025327 PMAQI
15th Sep 2025318 PMAQI
15th Sep 2025319 PMAQI
15th Sep 20253010 PMAQI
15th Sep 20253211 PMAQI
16th Sep 20253212 AMAQI
16th Sep 2025341 AMAQI
16th Sep 2025352 AMAQI
16th Sep 2025353 AMAQI
16th Sep 2025364 AMAQI
27°C25/32°C
16th Sep 2025365 AMAQI
16th Sep 2025376 AMAQI
16th Sep 2025367 AMAQI
16th Sep 2025378 AMAQI
16th Sep 2025309 AMAQI
16th Sep 20252910 AMAQI
16th Sep 20253411 AMAQI
16th Sep 20254612 PMAQI
16th Sep 2025491 PMAQI
16th Sep 2025482 PMAQI
16th Sep 2025483 PMAQI
16th Sep 2025484 PMAQI
16th Sep 2025485 PMAQI
16th Sep 2025536 PMAQI
16th Sep 2025497 PMAQI
16th Sep 2025488 PMAQI
16th Sep 2025469 PMAQI
16th Sep 20254410 PMAQI
16th Sep 20254411 PMAQI
17th Sep 20254312 AMAQI
17th Sep 2025401 AMAQI
17th Sep 2025352 AMAQI
17th Sep 2025353 AMAQI
17th Sep 2025364 AMAQI
28°C24/33°C
17th Sep 2025375 AMAQI
17th Sep 2025376 AMAQI
17th Sep 2025377 AMAQI
17th Sep 2025378 AMAQI
17th Sep 2025469 AMAQI
17th Sep 20254910 AMAQI
17th Sep 20255311 AMAQI
17th Sep 20255712 PMAQI
17th Sep 2025561 PMAQI
17th Sep 2025632 PMAQI
17th Sep 2025583 PMAQI
17th Sep 2025564 PMAQI
17th Sep 2025575 PMAQI
17th Sep 2025566 PMAQI
17th Sep 2025547 PMAQI
17th Sep 2025568 PMAQI
17th Sep 2025549 PMAQI
17th Sep 20255410 PMAQI
17th Sep 20255311 PMAQI
18th Sep 20255312 AMAQI
18th Sep 2025481 AMAQI
18th Sep 2025382 AMAQI
18th Sep 2025373 AMAQI
18th Sep 2025404 AMAQI
27°C24/31°C
18th Sep 2025435 AMAQI
18th Sep 2025436 AMAQI
18th Sep 2025437 AMAQI
18th Sep 2025438 AMAQI
18th Sep 2025489 AMAQI
18th Sep 20254310 AMAQI
18th Sep 20253311 AMAQI
18th Sep 20253312 PMAQI
18th Sep 2025311 PMAQI
18th Sep 2025292 PMAQI
18th Sep 2025293 PMAQI
18th Sep 2025244 PMAQI
18th Sep 2025205 PMAQI
18th Sep 2025186 PMAQI
18th Sep 2025147 PMAQI
18th Sep 2025208 PMAQI
18th Sep 2025289 PMAQI
18th Sep 20253010 PMAQI
18th Sep 20253011 PMAQI
19th Sep 20253112 AMAQI
19th Sep 2025341 AMAQI
19th Sep 2025452 AMAQI
19th Sep 2025443 AMAQI
19th Sep 2025444 AMAQI
25°C22/29°C
19th Sep 2025435 AMAQI
19th Sep 2025446 AMAQI
19th Sep 2025437 AMAQI
19th Sep 2025438 AMAQI
19th Sep 2025229 AMAQI
19th Sep 20251310 AMAQI
19th Sep 20251411 AMAQI
19th Sep 20251512 PMAQI
19th Sep 2025181 PMAQI
19th Sep 2025182 PMAQI
19th Sep 2025183 PMAQI
19th Sep 2025214 PMAQI
19th Sep 2025225 PMAQI
19th Sep 2025226 PMAQI
19th Sep 2025257 PMAQI
19th Sep 2025288 PMAQI
19th Sep 2025339 PMAQI
19th Sep 20253310 PMAQI
19th Sep 20253311 PMAQI
20th Sep 20253312 AMAQI
20th Sep 2025361 AMAQI
20th Sep 2025412 AMAQI
20th Sep 2025413 AMAQI
20th Sep 2025394 AMAQI
--°C/°C
20th Sep 2025375 AMAQI
5 AM20th Sep 2025366 AMAQI
11 AM
6 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
12 PM - 6 PM
42AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
9 AM
37AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 6 PM (Avg. 42), while the lowest AQI was between 9 AM to 9 AM (Avg. 37).
Night time
Avg. Highest Time
12 AM - 11 PM
40AQI
10 hours / Day
300 hours / Month
Avg. Lowest Time
12 AM - 11 PM
40AQI
10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 40), while the lowest AQI was between 12 AM to 11 PM (Avg. 40).
2025 Days Vs Air Quality
Ritto, Shiga, Japan
2025
78%
203
22%
58
Total number of days with different AQI categories in last 262 days in 2025 (103 days remaining)
Good
203 DaysModerate
58 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 78%
Health Risk Level:
Low
In 2025, 78% of 262 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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
29AQI
29AQI
2nd January 2025
30AQI
30AQI
3rd January 2025
29AQI
29AQI
4th January 2025
28AQI
28AQI
5th January 2025
28AQI
28AQI
6th January 2025
32AQI
32AQI
7th January 2025
33AQI
33AQI
8th January 2025
28AQI
28AQI
9th January 2025
28AQI
28AQI
10th January 2025
25AQI
25AQI
11th January 2025
24AQI
24AQI
12th January 2025
34AQI
34AQI
13th January 2025
26AQI
26AQI
14th January 2025
44AQI
44AQI
15th January 2025
37AQI
37AQI
16th January 2025
34AQI
34AQI
17th January 2025
30AQI
30AQI
18th January 2025
28AQI
28AQI
19th January 2025
33AQI
33AQI
20th January 2025
38AQI
38AQI
21st January 2025
35AQI
35AQI
22nd January 2025
40AQI
40AQI
23rd January 2025
60AQI
60AQI
24th January 2025
52AQI
52AQI
25th January 2025
42AQI
42AQI
26th January 2025
36AQI
36AQI
27th January 2025
29AQI
29AQI
28th January 2025
31AQI
31AQI
29th January 2025
30AQI
30AQI
30th January 2025
35AQI
35AQI
31st January 2025
69AQI
69AQI
1st February 2025
66AQI
66AQI
2nd February 2025
46AQI
46AQI
3rd February 2025
47AQI
47AQI
4th February 2025
39AQI
39AQI
5th February 2025
39AQI
39AQI
6th February 2025
32AQI
32AQI
7th February 2025
35AQI
35AQI
8th February 2025
31AQI
31AQI
9th February 2025
30AQI
30AQI
10th February 2025
30AQI
30AQI
11th February 2025
30AQI
30AQI
12th February 2025
33AQI
33AQI
13th February 2025
31AQI
31AQI
14th February 2025
32AQI
32AQI
15th February 2025
30AQI
30AQI
16th February 2025
36AQI
36AQI
17th February 2025
37AQI
37AQI
18th February 2025
31AQI
31AQI
19th February 2025
31AQI
31AQI
20th February 2025
29AQI
29AQI
21st February 2025
30AQI
30AQI
22nd February 2025
30AQI
30AQI
23rd February 2025
30AQI
30AQI
24th February 2025
32AQI
32AQI
25th February 2025
33AQI
33AQI
26th February 2025
41AQI
41AQI
27th February 2025
49AQI
49AQI
28th February 2025
57AQI
57AQI
1st March 2025
59AQI
59AQI
2nd March 2025
69AQI
69AQI
3rd March 2025
44AQI
44AQI
4th March 2025
40AQI
40AQI
5th March 2025
31AQI
31AQI
6th March 2025
36AQI
36AQI
7th March 2025
33AQI
33AQI
8th March 2025
35AQI
35AQI
9th March 2025
35AQI
35AQI
10th March 2025
35AQI
35AQI
11th March 2025
33AQI
33AQI
12th March 2025
32AQI
32AQI
13th March 2025
45AQI
45AQI
14th March 2025
37AQI
37AQI
15th March 2025
36AQI
36AQI
16th March 2025
22AQI
22AQI
17th March 2025
24AQI
24AQI
18th March 2025
23AQI
23AQI
19th March 2025
22AQI
22AQI
20th March 2025
35AQI
35AQI
21st March 2025
51AQI
51AQI
22nd March 2025
54AQI
54AQI
23rd March 2025
70AQI
70AQI
24th March 2025
69AQI
69AQI
25th March 2025
79AQI
79AQI
26th March 2025
79AQI
79AQI
27th March 2025
84AQI
84AQI
28th March 2025
45AQI
45AQI
29th March 2025
46AQI
46AQI
30th March 2025
34AQI
34AQI
31st March 2025
35AQI
35AQI
1st April 2025
31AQI
31AQI
2nd April 2025
28AQI
28AQI
3rd April 2025
22AQI
22AQI
4th April 2025
24AQI
24AQI
5th April 2025
32AQI
32AQI
6th April 2025
34AQI
34AQI
7th April 2025
43AQI
43AQI
8th April 2025
43AQI
43AQI
9th April 2025
42AQI
42AQI
10th April 2025
53AQI
53AQI
11th April 2025
49AQI
49AQI
12th April 2025
50AQI
50AQI
13th April 2025
31AQI
31AQI
14th April 2025
46AQI
46AQI
15th April 2025
24AQI
24AQI
16th April 2025
44AQI
44AQI
17th April 2025
47AQI
47AQI
18th April 2025
56AQI
56AQI
19th April 2025
60AQI
60AQI
20th April 2025
53AQI
53AQI
21st April 2025
40AQI
40AQI
22nd April 2025
46AQI
46AQI
23rd April 2025
23AQI
23AQI
24th April 2025
25AQI
25AQI
25th April 2025
60AQI
60AQI
26th April 2025
51AQI
51AQI
27th April 2025
59AQI
59AQI
28th April 2025
44AQI
44AQI
29th April 2025
53AQI
53AQI
30th April 2025
60AQI
60AQI
1st May 2025
54AQI
54AQI
2nd May 2025
38AQI
38AQI
3rd May 2025
44AQI
44AQI
4th May 2025
37AQI
37AQI
5th May 2025
42AQI
42AQI
6th May 2025
25AQI
25AQI
7th May 2025
28AQI
28AQI
8th May 2025
29AQI
29AQI
9th May 2025
27AQI
27AQI
10th May 2025
27AQI
27AQI
11th May 2025
29AQI
29AQI
12th May 2025
42AQI
42AQI
13th May 2025
50AQI
50AQI
14th May 2025
57AQI
57AQI
15th May 2025
55AQI
55AQI
16th May 2025
54AQI
54AQI
17th May 2025
36AQI
36AQI
18th May 2025
48AQI
48AQI
19th May 2025
50AQI
50AQI
20th May 2025
66AQI
66AQI
21st May 2025
60AQI
60AQI
22nd May 2025
36AQI
36AQI
23rd May 2025
52AQI
52AQI
24th May 2025
37AQI
37AQI
25th May 2025
27AQI
27AQI
26th May 2025
28AQI
28AQI
27th May 2025
28AQI
28AQI
28th May 2025
27AQI
27AQI
29th May 2025
36AQI
36AQI
30th May 2025
33AQI
33AQI
31st May 2025
30AQI
30AQI
1st June 2025
35AQI
35AQI
2nd June 2025
46AQI
46AQI
3rd June 2025
25AQI
25AQI
4th June 2025
40AQI
40AQI
5th June 2025
37AQI
37AQI
6th June 2025
47AQI
47AQI
7th June 2025
51AQI
51AQI
8th June 2025
63AQI
63AQI
9th June 2025
42AQI
42AQI
10th June 2025
29AQI
29AQI
11th June 2025
32AQI
32AQI
12th June 2025
40AQI
40AQI
13th June 2025
46AQI
46AQI
14th June 2025
30AQI
30AQI
15th June 2025
26AQI
26AQI
16th June 2025
39AQI
39AQI
17th June 2025
36AQI
36AQI
18th June 2025
48AQI
48AQI
19th June 2025
53AQI
53AQI
20th June 2025
56AQI
56AQI
21st June 2025
50AQI
50AQI
22nd June 2025
45AQI
45AQI
23rd June 2025
38AQI
38AQI
24th June 2025
32AQI
32AQI
25th June 2025
32AQI
32AQI
26th June 2025
32AQI
32AQI
27th June 2025
47AQI
47AQI
28th June 2025
38AQI
38AQI
29th June 2025
48AQI
48AQI
30th June 2025
56AQI
56AQI
1st July 2025
64AQI
64AQI
2nd July 2025
96AQI
96AQI
3rd July 2025
81AQI
81AQI
4th July 2025
89AQI
89AQI
5th July 2025
92AQI
92AQI
6th July 2025
77AQI
77AQI
7th July 2025
65AQI
65AQI
8th July 2025
79AQI
79AQI
9th July 2025
85AQI
85AQI
10th July 2025
62AQI
62AQI
11th July 2025
51AQI
51AQI
12th July 2025
52AQI
52AQI
13th July 2025
50AQI
50AQI
14th July 2025
38AQI
38AQI
15th July 2025
46AQI
46AQI
16th July 2025
46AQI
46AQI
17th July 2025
33AQI
33AQI
18th July 2025
33AQI
33AQI
19th July 2025
31AQI
31AQI
20th July 2025
29AQI
29AQI
21st July 2025
33AQI
33AQI
22nd July 2025
35AQI
35AQI
23rd July 2025
39AQI
39AQI
24th July 2025
39AQI
39AQI
25th July 2025
29AQI
29AQI
26th July 2025
25AQI
25AQI
27th July 2025
24AQI
24AQI
28th July 2025
28AQI
28AQI
29th July 2025
38AQI
38AQI
30th July 2025
41AQI
41AQI
31st July 2025
41AQI
41AQI
1st August 2025
46AQI
46AQI
2nd August 2025
44AQI
44AQI
3rd August 2025
48AQI
48AQI
4th August 2025
61AQI
61AQI
5th August 2025
52AQI
52AQI
6th August 2025
52AQI
52AQI
7th August 2025
43AQI
43AQI
8th August 2025
38AQI
38AQI
9th August 2025
44AQI
44AQI
10th August 2025
41AQI
41AQI
11th August 2025
34AQI
34AQI
12th August 2025
35AQI
35AQI
13th August 2025
38AQI
38AQI
14th August 2025
45AQI
45AQI
15th August 2025
48AQI
48AQI
16th August 2025
47AQI
47AQI
17th August 2025
45AQI
45AQI
18th August 2025
46AQI
46AQI
19th August 2025
46AQI
46AQI
20th August 2025
47AQI
47AQI
21st August 2025
46AQI
46AQI
22nd August 2025
42AQI
42AQI
23rd August 2025
49AQI
49AQI
24th August 2025
55AQI
55AQI
25th August 2025
55AQI
55AQI
26th August 2025
57AQI
57AQI
27th August 2025
54AQI
54AQI
28th August 2025
53AQI
53AQI
29th August 2025
55AQI
55AQI
30th August 2025
55AQI
55AQI
31st August 2025
54AQI
54AQI
1st September 2025
41AQI
41AQI
2nd September 2025
35AQI
35AQI
3rd September 2025
35AQI
35AQI
4th September 2025
25AQI
25AQI
5th September 2025
25AQI
25AQI
6th September 2025
27AQI
27AQI
7th September 2025
32AQI
32AQI
8th September 2025
34AQI
34AQI
9th September 2025
37AQI
37AQI
10th September 2025
34AQI
34AQI
11th September 2025
29AQI
29AQI
12th September 2025
29AQI
29AQI
13th September 2025
29AQI
29AQI
14th September 2025
40AQI
40AQI
15th September 2025
35AQI
35AQI
16th September 2025
41AQI
41AQI
17th September 2025
48AQI
48AQI
18th September 2025
36AQI
36AQI
19th September 2025
20th September 2025
21st September 2025
22nd September 2025
23rd September 2025
24th September 2025
25th September 2025
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
35AQI
36AQI
44AQI
42AQI
40AQI
41AQI
51AQI
48AQI
34AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202542AQI
28
3
26
2
22
9
21
9
24
7
25
5
19
12
20
11
18
203
58
Highest AQI recorded in
July51AQI
Lowest AQI recorded in
September34AQI
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
April43AQI
Lowest AQI recorded in
August27AQI
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
April48AQI
Lowest AQI recorded in
August29AQI
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
March47AQI
Lowest AQI recorded in
October29AQI
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
June39AQI
Lowest AQI recorded in
August27AQI
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
August50AQI
Lowest AQI recorded in
July21AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
42AQILeast Polluted Year Recorded
2020(Avg.)
31AQIRitto's annual 2025 AQI (42) shows an average percentage change of 22.5% (worsened AQI) compared to previous years: 2020 (31), 2021 (33), 2022 (36), 2023 (38), 2024 (33).
