Osaka Prefecture, Sayama, Osaka, 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+
October Air Quality Analysis
Osaka Prefecture, Sayama, Osaka, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
25th Oct 2023
58AQILowest AQI recorded on
19th Oct 2024
20AQISame Day Analysis (19th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 48 of Good air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 19th Oct - 20th Oct 2025
Osaka Prefecture, Sayama, Osaka, Japan
AQI
Day
Night
.
5 AM19th Oct 2025
5 PM
4 AM20th Oct 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
11PM19th Oct
58AQI
Avg. Lowest Time
6AM19th Oct
13AQI
In the last 24 hours,
Osaka Prefecture's AQI reached its highest point of 58 at 11 PM during the Night, while the lowest point, 13, was recorded at 6 AM during the Night between 19th Oct and 20th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Osaka Prefecture, Sayama, Osaka, Japan
SepOct
20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th
Day
Night
20th Sep 2025395 AMAQI
20th Sep 2025396 AMAQI
20th Sep 2025397 AMAQI
20th Sep 2025398 AMAQI
20th Sep 2025249 AMAQI
20th Sep 20252210 AMAQI
20th Sep 20252311 AMAQI
20th Sep 20252012 PMAQI
20th Sep 2025221 PMAQI
20th Sep 2025252 PMAQI
20th Sep 2025373 PMAQI
20th Sep 2025524 PMAQI
20th Sep 2025525 PMAQI
20th Sep 2025476 PMAQI
20th Sep 2025507 PMAQI
20th Sep 2025548 PMAQI
20th Sep 2025559 PMAQI
20th Sep 20256010 PMAQI
20th Sep 20256011 PMAQI
21st Sep 20256012 AMAQI
21st Sep 2025461 AMAQI
21st Sep 2025402 AMAQI
21st Sep 2025403 AMAQI
21st Sep 2025394 AMAQI
27°C24/30°C
21st Sep 2025375 AMAQI
21st Sep 2025366 AMAQI
21st Sep 2025367 AMAQI
21st Sep 2025378 AMAQI
21st Sep 2025229 AMAQI
21st Sep 20251610 AMAQI
21st Sep 20251711 AMAQI
21st Sep 20251812 PMAQI
21st Sep 2025161 PMAQI
21st Sep 2025152 PMAQI
21st Sep 2025133 PMAQI
21st Sep 2025134 PMAQI
21st Sep 2025145 PMAQI
21st Sep 2025146 PMAQI
21st Sep 2025157 PMAQI
21st Sep 2025198 PMAQI
21st Sep 2025329 PMAQI
21st Sep 20253110 PMAQI
21st Sep 20253511 PMAQI
22nd Sep 20253212 AMAQI
22nd Sep 2025441 AMAQI
22nd Sep 2025452 AMAQI
22nd Sep 2025453 AMAQI
22nd Sep 2025434 AMAQI
25°C22/29°C
22nd Sep 2025375 AMAQI
22nd Sep 2025386 AMAQI
22nd Sep 2025387 AMAQI
22nd Sep 2025388 AMAQI
22nd Sep 2025229 AMAQI
22nd Sep 20251810 AMAQI
22nd Sep 20252811 AMAQI
22nd Sep 20252212 PMAQI
22nd Sep 2025241 PMAQI
22nd Sep 2025252 PMAQI
22nd Sep 2025283 PMAQI
22nd Sep 2025264 PMAQI
22nd Sep 2025265 PMAQI
22nd Sep 2025246 PMAQI
22nd Sep 2025307 PMAQI
22nd Sep 2025288 PMAQI
22nd Sep 2025329 PMAQI
22nd Sep 20253610 PMAQI
22nd Sep 20253911 PMAQI
23rd Sep 20253612 AMAQI
23rd Sep 2025391 AMAQI
23rd Sep 2025412 AMAQI
23rd Sep 2025413 AMAQI
23rd Sep 2025414 AMAQI
24°C20/28°C
23rd Sep 2025375 AMAQI
23rd Sep 2025376 AMAQI
23rd Sep 2025377 AMAQI
23rd Sep 2025378 AMAQI
23rd Sep 2025299 AMAQI
23rd Sep 20252310 AMAQI
23rd Sep 20252811 AMAQI
23rd Sep 20253212 PMAQI
23rd Sep 2025321 PMAQI
23rd Sep 2025382 PMAQI
23rd Sep 2025353 PMAQI
23rd Sep 2025374 PMAQI
23rd Sep 2025375 PMAQI
23rd Sep 2025356 PMAQI
23rd Sep 2025337 PMAQI
23rd Sep 2025348 PMAQI
23rd Sep 2025399 PMAQI
23rd Sep 20253810 PMAQI
23rd Sep 20253811 PMAQI
24th Sep 20253612 AMAQI
24th Sep 2025381 AMAQI
24th Sep 2025402 AMAQI
24th Sep 2025403 AMAQI
24th Sep 2025404 AMAQI
23°C21/25°C
24th Sep 2025395 AMAQI
24th Sep 2025386 AMAQI
24th Sep 2025387 AMAQI
24th Sep 2025388 AMAQI
24th Sep 2025249 AMAQI
24th Sep 20252410 AMAQI
24th Sep 20252311 AMAQI
24th Sep 20252212 PMAQI
24th Sep 2025261 PMAQI
24th Sep 2025252 PMAQI
24th Sep 2025253 PMAQI
24th Sep 2025234 PMAQI
24th Sep 2025305 PMAQI
24th Sep 2025336 PMAQI
24th Sep 2025317 PMAQI
24th Sep 2025258 PMAQI
24th Sep 2025309 PMAQI
24th Sep 20252810 PMAQI
24th Sep 20253011 PMAQI
25th Sep 20252912 AMAQI
25th Sep 2025351 AMAQI
25th Sep 2025402 AMAQI
25th Sep 2025403 AMAQI
25th Sep 2025384 AMAQI
25°C23/29°C
25th Sep 2025375 AMAQI
25th Sep 2025376 AMAQI
25th Sep 2025367 AMAQI
25th Sep 2025368 AMAQI
25th Sep 2025289 AMAQI
25th Sep 20253010 AMAQI
25th Sep 20252811 AMAQI
25th Sep 20252912 PMAQI
25th Sep 2025321 PMAQI
25th Sep 2025432 PMAQI
25th Sep 2025433 PMAQI
25th Sep 2025424 PMAQI
25th Sep 2025385 PMAQI
25th Sep 2025346 PMAQI
25th Sep 2025347 PMAQI
25th Sep 2025318 PMAQI
25th Sep 2025339 PMAQI
25th Sep 20252510 PMAQI
25th Sep 20252311 PMAQI
26th Sep 20252212 AMAQI
26th Sep 2025221 AMAQI
26th Sep 2025222 AMAQI
26th Sep 2025193 AMAQI
26th Sep 2025174 AMAQI
25°C22/28°C
26th Sep 2025185 AMAQI
26th Sep 2025226 AMAQI
26th Sep 2025207 AMAQI
26th Sep 2025188 AMAQI
26th Sep 2025249 AMAQI
26th Sep 20253010 AMAQI
26th Sep 20254111 AMAQI
26th Sep 20255312 PMAQI
26th Sep 2025541 PMAQI
26th Sep 2025572 PMAQI
26th Sep 2025563 PMAQI
26th Sep 2025584 PMAQI
26th Sep 2025545 PMAQI
26th Sep 2025516 PMAQI
26th Sep 2025477 PMAQI
26th Sep 2025468 PMAQI
26th Sep 2025449 PMAQI
26th Sep 20252210 PMAQI
26th Sep 20252311 PMAQI
27th Sep 20252012 AMAQI
27th Sep 2025281 AMAQI
27th Sep 2025302 AMAQI
27th Sep 2025303 AMAQI
27th Sep 2025284 AMAQI
26°C23/30°C
27th Sep 2025305 AMAQI
27th Sep 2025236 AMAQI
27th Sep 2025207 AMAQI
27th Sep 2025188 AMAQI
27th Sep 2025229 AMAQI
27th Sep 20253410 AMAQI
27th Sep 20253911 AMAQI
27th Sep 20254112 PMAQI
27th Sep 2025361 PMAQI
27th Sep 2025252 PMAQI
27th Sep 2025233 PMAQI
27th Sep 2025264 PMAQI
27th Sep 2025225 PMAQI
27th Sep 2025186 PMAQI
27th Sep 2025177 PMAQI
27th Sep 2025138 PMAQI
27th Sep 2025179 PMAQI
27th Sep 20251710 PMAQI
27th Sep 20251711 PMAQI
28th Sep 20251712 AMAQI
28th Sep 2025201 AMAQI
28th Sep 2025212 AMAQI
28th Sep 2025183 AMAQI
28th Sep 2025224 AMAQI
24°C22/29°C
28th Sep 2025225 AMAQI
28th Sep 2025226 AMAQI
28th Sep 2025237 AMAQI
28th Sep 2025288 AMAQI
28th Sep 2025249 AMAQI
28th Sep 20252710 AMAQI
28th Sep 20253811 AMAQI
28th Sep 20253412 PMAQI
28th Sep 2025391 PMAQI
28th Sep 2025392 PMAQI
28th Sep 2025393 PMAQI
28th Sep 2025404 PMAQI
28th Sep 2025475 PMAQI
28th Sep 2025376 PMAQI
28th Sep 2025337 PMAQI
28th Sep 2025338 PMAQI
28th Sep 2025339 PMAQI
28th Sep 20253610 PMAQI
28th Sep 20253311 PMAQI
29th Sep 20253312 AMAQI
29th Sep 2025331 AMAQI
29th Sep 2025422 AMAQI
29th Sep 2025533 AMAQI
29th Sep 2025544 AMAQI
24°C20/29°C
29th Sep 2025535 AMAQI
29th Sep 2025376 AMAQI
29th Sep 2025287 AMAQI
29th Sep 2025258 AMAQI
29th Sep 2025379 AMAQI
29th Sep 20252210 AMAQI
29th Sep 20251511 AMAQI
29th Sep 20251112 PMAQI
29th Sep 2025241 PMAQI
29th Sep 2025212 PMAQI
29th Sep 2025113 PMAQI
29th Sep 2025184 PMAQI
29th Sep 2025225 PMAQI
29th Sep 2025226 PMAQI
29th Sep 2025237 PMAQI
29th Sep 2025268 PMAQI
29th Sep 2025229 PMAQI
29th Sep 20251810 PMAQI
29th Sep 20251611 PMAQI
30th Sep 20251712 AMAQI
30th Sep 2025141 AMAQI
30th Sep 2025152 AMAQI
30th Sep 2025213 AMAQI
30th Sep 2025204 AMAQI
24°C21/27°C
30th Sep 2025155 AMAQI
30th Sep 2025206 AMAQI
30th Sep 2025277 AMAQI
30th Sep 2025358 AMAQI
30th Sep 2025369 AMAQI
30th Sep 20254210 AMAQI
30th Sep 20253611 AMAQI
30th Sep 20254212 PMAQI
30th Sep 2025281 PMAQI
30th Sep 2025342 PMAQI
30th Sep 2025313 PMAQI
30th Sep 2025344 PMAQI
30th Sep 2025465 PMAQI
30th Sep 2025416 PMAQI
30th Sep 2025507 PMAQI
30th Sep 2025438 PMAQI
30th Sep 2025409 PMAQI
30th Sep 20254310 PMAQI
30th Sep 20255011 PMAQI
1st Oct 20253412 AMAQI
1st Oct 2025401 AMAQI
1st Oct 2025442 AMAQI
1st Oct 2025443 AMAQI
1st Oct 2025444 AMAQI
24°C20/27°C
1st Oct 2025355 AMAQI
1st Oct 2025406 AMAQI
1st Oct 2025357 AMAQI
1st Oct 2025468 AMAQI
1st Oct 2025409 AMAQI
1st Oct 20253610 AMAQI
1st Oct 20254611 AMAQI
1st Oct 20254112 PMAQI
1st Oct 2025481 PMAQI
1st Oct 2025532 PMAQI
1st Oct 2025593 PMAQI
1st Oct 2025644 PMAQI
1st Oct 2025645 PMAQI
1st Oct 2025586 PMAQI
1st Oct 2025507 PMAQI
1st Oct 2025438 PMAQI
1st Oct 2025329 PMAQI
1st Oct 20253410 PMAQI
1st Oct 20253011 PMAQI
2nd Oct 20253612 AMAQI
2nd Oct 2025351 AMAQI
2nd Oct 2025352 AMAQI
2nd Oct 2025443 AMAQI
2nd Oct 2025504 AMAQI
24°C20/27°C
2nd Oct 2025525 AMAQI
2nd Oct 2025426 AMAQI
2nd Oct 2025397 AMAQI
2nd Oct 2025338 AMAQI
2nd Oct 2025319 AMAQI
2nd Oct 20253710 AMAQI
2nd Oct 20255111 AMAQI
2nd Oct 20254212 PMAQI
2nd Oct 2025601 PMAQI
2nd Oct 2025632 PMAQI
2nd Oct 2025623 PMAQI
2nd Oct 2025504 PMAQI
2nd Oct 2025445 PMAQI
2nd Oct 2025396 PMAQI
2nd Oct 2025407 PMAQI
2nd Oct 2025358 PMAQI
2nd Oct 2025389 PMAQI
2nd Oct 20254110 PMAQI
2nd Oct 20253711 PMAQI
3rd Oct 20253512 AMAQI
3rd Oct 2025341 AMAQI
3rd Oct 2025332 AMAQI
3rd Oct 2025343 AMAQI
3rd Oct 2025304 AMAQI
23°C20/28°C
3rd Oct 2025345 AMAQI
3rd Oct 2025346 AMAQI
3rd Oct 2025377 AMAQI
3rd Oct 2025358 AMAQI
3rd Oct 2025359 AMAQI
3rd Oct 20253510 AMAQI
3rd Oct 20253811 AMAQI
3rd Oct 20254412 PMAQI
3rd Oct 2025451 PMAQI
3rd Oct 2025512 PMAQI
3rd Oct 2025483 PMAQI
3rd Oct 2025504 PMAQI
3rd Oct 2025495 PMAQI
3rd Oct 2025526 PMAQI
3rd Oct 2025587 PMAQI
3rd Oct 2025518 PMAQI
3rd Oct 2025679 PMAQI
3rd Oct 20256510 PMAQI
3rd Oct 20256111 PMAQI
4th Oct 20256312 AMAQI
4th Oct 2025641 AMAQI
4th Oct 2025652 AMAQI
4th Oct 2025663 AMAQI
4th Oct 2025434 AMAQI
22°C21/24°C
4th Oct 2025385 AMAQI
4th Oct 2025426 AMAQI
4th Oct 2025397 AMAQI
4th Oct 2025408 AMAQI
4th Oct 2025339 AMAQI
4th Oct 20254210 AMAQI
4th Oct 20254911 AMAQI
4th Oct 20255012 PMAQI
4th Oct 2025521 PMAQI
4th Oct 2025472 PMAQI
4th Oct 2025613 PMAQI
4th Oct 2025684 PMAQI
4th Oct 2025615 PMAQI
4th Oct 2025576 PMAQI
4th Oct 2025587 PMAQI
4th Oct 2025588 PMAQI
4th Oct 2025589 PMAQI
4th Oct 20255910 PMAQI
4th Oct 20255611 PMAQI
5th Oct 20255712 AMAQI
5th Oct 2025551 AMAQI
5th Oct 2025562 AMAQI
5th Oct 2025563 AMAQI
5th Oct 2025544 AMAQI
22°C21/24°C
5th Oct 2025535 AMAQI
5th Oct 2025396 AMAQI
5th Oct 2025407 AMAQI
5th Oct 2025448 AMAQI
5th Oct 2025529 AMAQI
5th Oct 20255110 AMAQI
5th Oct 20253611 AMAQI
5th Oct 20252412 PMAQI
5th Oct 2025291 PMAQI
5th Oct 2025352 PMAQI
5th Oct 2025363 PMAQI
5th Oct 2025394 PMAQI
5th Oct 2025415 PMAQI
5th Oct 2025386 PMAQI
5th Oct 2025417 PMAQI
5th Oct 2025408 PMAQI
5th Oct 2025409 PMAQI
5th Oct 20254110 PMAQI
5th Oct 20254411 PMAQI
6th Oct 20254612 AMAQI
6th Oct 2025501 AMAQI
6th Oct 2025512 AMAQI
6th Oct 2025473 AMAQI
6th Oct 2025434 AMAQI
24°C22/27°C
6th Oct 2025365 AMAQI
6th Oct 2025346 AMAQI
6th Oct 2025427 AMAQI
6th Oct 2025468 AMAQI
6th Oct 2025479 AMAQI
6th Oct 20253610 AMAQI
6th Oct 20253911 AMAQI
6th Oct 20254912 PMAQI
6th Oct 2025501 PMAQI
6th Oct 2025482 PMAQI
6th Oct 2025543 PMAQI
6th Oct 2025554 PMAQI
6th Oct 2025545 PMAQI
6th Oct 2025576 PMAQI
6th Oct 2025597 PMAQI
6th Oct 2025608 PMAQI
6th Oct 2025559 PMAQI
6th Oct 20255010 PMAQI
6th Oct 20255311 PMAQI
7th Oct 20255812 AMAQI
7th Oct 2025591 AMAQI
7th Oct 2025632 AMAQI
23°C21/27°C
7th Oct 2025528 PMAQI
7th Oct 2025229 PMAQI
7th Oct 20254810 PMAQI
7th Oct 20253211 PMAQI
8th Oct 20254812 AMAQI
8th Oct 2025521 AMAQI
8th Oct 2025512 AMAQI
8th Oct 2025483 AMAQI
8th Oct 2025544 AMAQI
24°C20/28°C
8th Oct 2025545 AMAQI
8th Oct 2025546 AMAQI
8th Oct 2025437 AMAQI
8th Oct 2025428 AMAQI
8th Oct 2025369 AMAQI
8th Oct 20255010 AMAQI
8th Oct 20255211 AMAQI
8th Oct 20255812 PMAQI
8th Oct 2025601 PMAQI
8th Oct 2025602 PMAQI
8th Oct 2025563 PMAQI
8th Oct 2025574 PMAQI
8th Oct 2025565 PMAQI
8th Oct 2025566 PMAQI
8th Oct 2025567 PMAQI
8th Oct 2025648 PMAQI
8th Oct 2025549 PMAQI
8th Oct 20255510 PMAQI
8th Oct 20255511 PMAQI
9th Oct 20255412 AMAQI
9th Oct 2025541 AMAQI
9th Oct 2025552 AMAQI
9th Oct 2025563 AMAQI
9th Oct 2025564 AMAQI
25°C22/31°C
9th Oct 2025575 AMAQI
9th Oct 2025586 AMAQI
9th Oct 2025487 AMAQI
9th Oct 2025478 AMAQI
9th Oct 2025519 AMAQI
9th Oct 20255110 AMAQI
9th Oct 20255211 AMAQI
9th Oct 20255212 PMAQI
9th Oct 2025541 PMAQI
9th Oct 2025572 PMAQI
9th Oct 2025573 PMAQI
9th Oct 2025564 PMAQI
9th Oct 2025525 PMAQI
9th Oct 2025536 PMAQI
9th Oct 2025547 PMAQI
9th Oct 2025548 PMAQI
9th Oct 2025469 PMAQI
9th Oct 20253210 PMAQI
9th Oct 20254511 PMAQI
10th Oct 20253712 AMAQI
10th Oct 2025511 AMAQI
10th Oct 2025542 AMAQI
10th Oct 2025543 AMAQI
10th Oct 2025424 AMAQI
23°C20/26°C
10th Oct 2025335 AMAQI
10th Oct 2025426 AMAQI
10th Oct 2025407 AMAQI
10th Oct 2025488 AMAQI
10th Oct 2025319 AMAQI
10th Oct 20255610 AMAQI
10th Oct 20255511 AMAQI
10th Oct 20255212 PMAQI
10th Oct 2025511 PMAQI
10th Oct 2025542 PMAQI
10th Oct 2025523 PMAQI
10th Oct 2025584 PMAQI
10th Oct 2025575 PMAQI
10th Oct 2025536 PMAQI
10th Oct 2025377 PMAQI
10th Oct 2025368 PMAQI
10th Oct 2025339 PMAQI
10th Oct 20253610 PMAQI
10th Oct 20253411 PMAQI
11th Oct 20253512 AMAQI
11th Oct 2025341 AMAQI
11th Oct 2025482 AMAQI
11th Oct 2025523 AMAQI
11th Oct 2025514 AMAQI
21°C20/24°C
11th Oct 2025405 AMAQI
11th Oct 2025356 AMAQI
11th Oct 2025377 AMAQI
11th Oct 2025348 AMAQI
11th Oct 2025359 AMAQI
11th Oct 20253610 AMAQI
11th Oct 20253611 AMAQI
11th Oct 20253312 PMAQI
11th Oct 2025281 PMAQI
11th Oct 2025522 PMAQI
11th Oct 2025563 PMAQI
11th Oct 2025564 PMAQI
11th Oct 2025525 PMAQI
11th Oct 2025536 PMAQI
11th Oct 2025537 PMAQI
11th Oct 2025468 PMAQI
11th Oct 2025409 PMAQI
11th Oct 20254610 PMAQI
11th Oct 20252811 PMAQI
12th Oct 20253812 AMAQI
12th Oct 2025371 AMAQI
12th Oct 2025452 AMAQI
12th Oct 2025423 AMAQI
12th Oct 2025344 AMAQI
24°C21/28°C
12th Oct 2025445 AMAQI
12th Oct 2025466 AMAQI
12th Oct 2025447 AMAQI
12th Oct 2025378 AMAQI
12th Oct 2025359 AMAQI
12th Oct 20253410 AMAQI
12th Oct 20254311 AMAQI
12th Oct 20254512 PMAQI
12th Oct 2025421 PMAQI
12th Oct 2025362 PMAQI
12th Oct 2025503 PMAQI
12th Oct 2025534 PMAQI
12th Oct 2025535 PMAQI
12th Oct 2025386 PMAQI
12th Oct 2025357 PMAQI
12th Oct 2025368 PMAQI
12th Oct 2025389 PMAQI
12th Oct 20253810 PMAQI
12th Oct 20253911 PMAQI
13th Oct 20253512 AMAQI
13th Oct 2025401 AMAQI
13th Oct 2025482 AMAQI
13th Oct 2025533 AMAQI
13th Oct 2025524 AMAQI
24°C22/26°C
13th Oct 2025225 AMAQI
13th Oct 2025236 AMAQI
13th Oct 2025517 AMAQI
13th Oct 2025578 AMAQI
13th Oct 2025569 AMAQI
13th Oct 20255610 AMAQI
13th Oct 20255611 AMAQI
13th Oct 20252312 PMAQI
13th Oct 2025341 PMAQI
13th Oct 2025452 PMAQI
13th Oct 2025443 PMAQI
13th Oct 2025514 PMAQI
13th Oct 2025305 PMAQI
13th Oct 2025466 PMAQI
13th Oct 2025417 PMAQI
13th Oct 2025408 PMAQI
13th Oct 2025389 PMAQI
13th Oct 20253410 PMAQI
13th Oct 20254011 PMAQI
14th Oct 20254912 AMAQI
14th Oct 2025541 AMAQI
14th Oct 2025522 AMAQI
14th Oct 2025503 AMAQI
14th Oct 2025484 AMAQI
23°C21/26°C
14th Oct 2025475 AMAQI
14th Oct 2025476 AMAQI
14th Oct 2025447 AMAQI
14th Oct 2025488 AMAQI
14th Oct 2025449 AMAQI
14th Oct 20255310 AMAQI
14th Oct 20255411 AMAQI
14th Oct 20255412 PMAQI
14th Oct 2025561 PMAQI
14th Oct 2025542 PMAQI
14th Oct 2025563 PMAQI
14th Oct 2025654 PMAQI
14th Oct 2025655 PMAQI
14th Oct 2025626 PMAQI
14th Oct 2025617 PMAQI
14th Oct 2025578 PMAQI
14th Oct 2025469 PMAQI
14th Oct 20255910 PMAQI
14th Oct 20255811 PMAQI
15th Oct 20255812 AMAQI
15th Oct 2025601 AMAQI
15th Oct 2025582 AMAQI
15th Oct 2025573 AMAQI
15th Oct 2025574 AMAQI
24°C20/29°C
15th Oct 2025585 AMAQI
15th Oct 2025536 AMAQI
15th Oct 2025337 AMAQI
15th Oct 2025378 AMAQI
15th Oct 2025389 AMAQI
15th Oct 20253010 AMAQI
15th Oct 20251611 AMAQI
15th Oct 20253212 PMAQI
15th Oct 2025411 PMAQI
15th Oct 2025422 PMAQI
15th Oct 2025433 PMAQI
15th Oct 2025504 PMAQI
15th Oct 2025515 PMAQI
15th Oct 2025496 PMAQI
15th Oct 2025537 PMAQI
15th Oct 2025528 PMAQI
15th Oct 2025519 PMAQI
15th Oct 20255210 PMAQI
15th Oct 20255011 PMAQI
16th Oct 20255212 AMAQI
16th Oct 2025511 AMAQI
16th Oct 2025532 AMAQI
16th Oct 2025333 AMAQI
16th Oct 2025324 AMAQI
24°C22/27°C
16th Oct 2025325 AMAQI
16th Oct 2025336 AMAQI
16th Oct 2025407 AMAQI
16th Oct 2025408 AMAQI
16th Oct 2025339 AMAQI
16th Oct 20254010 AMAQI
16th Oct 20254411 AMAQI
16th Oct 20254212 PMAQI
16th Oct 2025441 PMAQI
16th Oct 2025452 PMAQI
16th Oct 2025483 PMAQI
16th Oct 2025504 PMAQI
16th Oct 2025475 PMAQI
16th Oct 2025386 PMAQI
16th Oct 2025447 PMAQI
16th Oct 2025458 PMAQI
16th Oct 2025549 PMAQI
16th Oct 20255910 PMAQI
16th Oct 20256011 PMAQI
17th Oct 20256012 AMAQI
17th Oct 2025661 AMAQI
17th Oct 2025512 AMAQI
17th Oct 2025473 AMAQI
17th Oct 2025444 AMAQI
24°C22/28°C
17th Oct 2025285 AMAQI
17th Oct 2025256 AMAQI
17th Oct 2025297 AMAQI
17th Oct 2025428 AMAQI
17th Oct 2025359 AMAQI
17th Oct 20254010 AMAQI
17th Oct 20254611 AMAQI
17th Oct 20255912 PMAQI
17th Oct 2025631 PMAQI
17th Oct 2025642 PMAQI
17th Oct 2025633 PMAQI
17th Oct 2025634 PMAQI
17th Oct 2025635 PMAQI
17th Oct 2025596 PMAQI
17th Oct 2025597 PMAQI
17th Oct 2025628 PMAQI
17th Oct 2025629 PMAQI
17th Oct 20255010 PMAQI
17th Oct 20255111 PMAQI
18th Oct 20255812 AMAQI
18th Oct 2025611 AMAQI
18th Oct 2025612 AMAQI
18th Oct 2025593 AMAQI
18th Oct 2025584 AMAQI
23°C19/27°C
18th Oct 2025585 AMAQI
18th Oct 2025576 AMAQI
18th Oct 2025567 AMAQI
18th Oct 2025528 AMAQI
18th Oct 2025499 AMAQI
18th Oct 20255010 AMAQI
18th Oct 20256111 AMAQI
18th Oct 20255712 PMAQI
18th Oct 2025581 PMAQI
18th Oct 2025472 PMAQI
18th Oct 2025513 PMAQI
18th Oct 2025534 PMAQI
18th Oct 2025545 PMAQI
18th Oct 2025476 PMAQI
18th Oct 2025547 PMAQI
18th Oct 2025578 PMAQI
18th Oct 2025609 PMAQI
18th Oct 20256110 PMAQI
18th Oct 20256011 PMAQI
19th Oct 20256412 AMAQI
19th Oct 2025581 AMAQI
19th Oct 2025542 AMAQI
19th Oct 2025543 AMAQI
19th Oct 2025524 AMAQI
23°C19/28°C
19th Oct 2025545 AMAQI
19th Oct 2025136 AMAQI
19th Oct 2025157 AMAQI
19th Oct 2025348 AMAQI
19th Oct 2025319 AMAQI
19th Oct 20252710 AMAQI
19th Oct 20252511 AMAQI
19th Oct 20253012 PMAQI
19th Oct 2025341 PMAQI
19th Oct 2025372 PMAQI
19th Oct 2025393 PMAQI
19th Oct 2025324 PMAQI
19th Oct 2025475 PMAQI
19th Oct 2025426 PMAQI
19th Oct 2025447 PMAQI
19th Oct 2025428 PMAQI
19th Oct 2025489 PMAQI
19th Oct 20255410 PMAQI
19th Oct 20255811 PMAQI
20th Oct 20255412 AMAQI
20th Oct 2025331 AMAQI
20th Oct 2025252 AMAQI
20th Oct 2025203 AMAQI
20th Oct 2025244 AMAQI
--°C/°C
20th Oct 2025485 AMAQI
5 AM20th Oct 2025546 AMAQI
11 AM
5 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
4 PM - 5 PM
46AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
9 AM - 10 AM
36AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 PM to 5 PM (Avg. 46), while the lowest AQI was between 9 AM to 10 AM (Avg. 36).
Night time
Avg. Highest Time
1 AM - 3 AM
44AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
12 AM
42AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 3 AM (Avg. 44), while the lowest AQI was between 12 AM to 12 AM (Avg. 42).
2025 Days Vs Air Quality
Osaka Prefecture, Sayama, Osaka, Japan
2025
74%
217
26%
75
Total number of days with different AQI categories in last 292 days in 2025 (73 days remaining)
Good
217 DaysModerate
75 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 74%
Health Risk Level:
Low
In 2025, 74% of 292 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
Osaka Prefecture, Sayama, Osaka, 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
30AQI
30AQI
2nd January 2025
36AQI
36AQI
3rd January 2025
31AQI
31AQI
4th January 2025
32AQI
32AQI
5th January 2025
33AQI
33AQI
6th January 2025
41AQI
41AQI
7th January 2025
32AQI
32AQI
8th January 2025
33AQI
33AQI
9th January 2025
31AQI
31AQI
10th January 2025
26AQI
26AQI
11th January 2025
28AQI
28AQI
12th January 2025
37AQI
37AQI
13th January 2025
40AQI
40AQI
14th January 2025
50AQI
50AQI
15th January 2025
46AQI
46AQI
16th January 2025
39AQI
39AQI
17th January 2025
35AQI
35AQI
18th January 2025
36AQI
36AQI
19th January 2025
37AQI
37AQI
20th January 2025
46AQI
46AQI
21st January 2025
41AQI
41AQI
22nd January 2025
55AQI
55AQI
23rd January 2025
69AQI
69AQI
24th January 2025
65AQI
65AQI
25th January 2025
46AQI
46AQI
26th January 2025
40AQI
40AQI
27th January 2025
47AQI
47AQI
28th January 2025
37AQI
37AQI
29th January 2025
37AQI
37AQI
30th January 2025
40AQI
40AQI
31st January 2025
68AQI
68AQI
1st February 2025
66AQI
66AQI
2nd February 2025
46AQI
46AQI
3rd February 2025
49AQI
49AQI
4th February 2025
40AQI
40AQI
5th February 2025
40AQI
40AQI
6th February 2025
33AQI
33AQI
7th February 2025
35AQI
35AQI
8th February 2025
31AQI
31AQI
9th February 2025
30AQI
30AQI
10th February 2025
31AQI
31AQI
11th February 2025
30AQI
30AQI
12th February 2025
48AQI
48AQI
13th February 2025
30AQI
30AQI
14th February 2025
48AQI
48AQI
15th February 2025
29AQI
29AQI
16th February 2025
57AQI
57AQI
17th February 2025
37AQI
37AQI
18th February 2025
39AQI
39AQI
19th February 2025
31AQI
31AQI
20th February 2025
30AQI
30AQI
21st February 2025
29AQI
29AQI
22nd February 2025
35AQI
35AQI
23rd February 2025
35AQI
35AQI
24th February 2025
33AQI
33AQI
25th February 2025
37AQI
37AQI
26th February 2025
38AQI
38AQI
27th February 2025
62AQI
62AQI
28th February 2025
67AQI
67AQI
1st March 2025
76AQI
76AQI
2nd March 2025
100AQI
100AQI
3rd March 2025
50AQI
50AQI
4th March 2025
48AQI
48AQI
5th March 2025
37AQI
37AQI
6th March 2025
41AQI
41AQI
7th March 2025
35AQI
35AQI
8th March 2025
39AQI
39AQI
9th March 2025
37AQI
37AQI
10th March 2025
44AQI
44AQI
11th March 2025
34AQI
34AQI
12th March 2025
44AQI
44AQI
13th March 2025
50AQI
50AQI
14th March 2025
45AQI
45AQI
15th March 2025
38AQI
38AQI
16th March 2025
26AQI
26AQI
17th March 2025
39AQI
39AQI
18th March 2025
30AQI
30AQI
19th March 2025
28AQI
28AQI
20th March 2025
43AQI
43AQI
21st March 2025
55AQI
55AQI
22nd March 2025
60AQI
60AQI
23rd March 2025
65AQI
65AQI
24th March 2025
70AQI
70AQI
25th March 2025
71AQI
71AQI
26th March 2025
79AQI
79AQI
27th March 2025
54AQI
54AQI
28th March 2025
44AQI
44AQI
29th March 2025
40AQI
40AQI
30th March 2025
34AQI
34AQI
31st March 2025
38AQI
38AQI
1st April 2025
32AQI
32AQI
2nd April 2025
45AQI
45AQI
3rd April 2025
24AQI
24AQI
4th April 2025
30AQI
30AQI
5th April 2025
39AQI
39AQI
6th April 2025
40AQI
40AQI
7th April 2025
48AQI
48AQI
8th April 2025
47AQI
47AQI
9th April 2025
54AQI
54AQI
10th April 2025
55AQI
55AQI
11th April 2025
52AQI
52AQI
12th April 2025
54AQI
54AQI
13th April 2025
34AQI
34AQI
14th April 2025
48AQI
48AQI
15th April 2025
25AQI
25AQI
16th April 2025
43AQI
43AQI
17th April 2025
48AQI
48AQI
18th April 2025
55AQI
55AQI
19th April 2025
58AQI
58AQI
20th April 2025
46AQI
46AQI
21st April 2025
44AQI
44AQI
22nd April 2025
49AQI
49AQI
23rd April 2025
36AQI
36AQI
24th April 2025
33AQI
33AQI
25th April 2025
61AQI
61AQI
26th April 2025
55AQI
55AQI
27th April 2025
59AQI
59AQI
28th April 2025
46AQI
46AQI
29th April 2025
52AQI
52AQI
30th April 2025
63AQI
63AQI
1st May 2025
57AQI
57AQI
2nd May 2025
41AQI
41AQI
3rd May 2025
48AQI
48AQI
4th May 2025
39AQI
39AQI
5th May 2025
44AQI
44AQI
6th May 2025
25AQI
25AQI
7th May 2025
31AQI
31AQI
8th May 2025
29AQI
29AQI
9th May 2025
33AQI
33AQI
10th May 2025
29AQI
29AQI
11th May 2025
31AQI
31AQI
12th May 2025
49AQI
49AQI
13th May 2025
53AQI
53AQI
14th May 2025
57AQI
57AQI
15th May 2025
54AQI
54AQI
16th May 2025
53AQI
53AQI
17th May 2025
43AQI
43AQI
18th May 2025
53AQI
53AQI
19th May 2025
54AQI
54AQI
20th May 2025
61AQI
61AQI
21st May 2025
41AQI
41AQI
22nd May 2025
37AQI
37AQI
23rd May 2025
50AQI
50AQI
24th May 2025
32AQI
32AQI
25th May 2025
26AQI
26AQI
26th May 2025
29AQI
29AQI
27th May 2025
29AQI
29AQI
28th May 2025
31AQI
31AQI
29th May 2025
39AQI
39AQI
30th May 2025
32AQI
32AQI
31st May 2025
36AQI
36AQI
1st June 2025
42AQI
42AQI
2nd June 2025
48AQI
48AQI
3rd June 2025
28AQI
28AQI
4th June 2025
45AQI
45AQI
5th June 2025
44AQI
44AQI
6th June 2025
47AQI
47AQI
7th June 2025
52AQI
52AQI
8th June 2025
63AQI
63AQI
9th June 2025
42AQI
42AQI
10th June 2025
37AQI
37AQI
11th June 2025
37AQI
37AQI
12th June 2025
49AQI
49AQI
13th June 2025
52AQI
52AQI
14th June 2025
34AQI
34AQI
15th June 2025
30AQI
30AQI
16th June 2025
40AQI
40AQI
17th June 2025
35AQI
35AQI
18th June 2025
48AQI
48AQI
19th June 2025
51AQI
51AQI
20th June 2025
57AQI
57AQI
21st June 2025
53AQI
53AQI
22nd June 2025
52AQI
52AQI
23rd June 2025
42AQI
42AQI
24th June 2025
38AQI
38AQI
25th June 2025
37AQI
37AQI
26th June 2025
36AQI
36AQI
27th June 2025
52AQI
52AQI
28th June 2025
51AQI
51AQI
29th June 2025
52AQI
52AQI
30th June 2025
56AQI
56AQI
1st July 2025
60AQI
60AQI
2nd July 2025
78AQI
78AQI
3rd July 2025
78AQI
78AQI
4th July 2025
97AQI
97AQI
5th July 2025
83AQI
83AQI
6th July 2025
71AQI
71AQI
7th July 2025
69AQI
69AQI
8th July 2025
72AQI
72AQI
9th July 2025
78AQI
78AQI
10th July 2025
60AQI
60AQI
11th July 2025
52AQI
52AQI
12th July 2025
53AQI
53AQI
13th July 2025
50AQI
50AQI
14th July 2025
41AQI
41AQI
15th July 2025
46AQI
46AQI
16th July 2025
53AQI
53AQI
17th July 2025
37AQI
37AQI
18th July 2025
38AQI
38AQI
19th July 2025
35AQI
35AQI
20th July 2025
34AQI
34AQI
21st July 2025
31AQI
31AQI
22nd July 2025
37AQI
37AQI
23rd July 2025
38AQI
38AQI
24th July 2025
35AQI
35AQI
25th July 2025
31AQI
31AQI
26th July 2025
29AQI
29AQI
27th July 2025
27AQI
27AQI
28th July 2025
33AQI
33AQI
29th July 2025
40AQI
40AQI
30th July 2025
43AQI
43AQI
31st July 2025
43AQI
43AQI
1st August 2025
45AQI
45AQI
2nd August 2025
46AQI
46AQI
3rd August 2025
49AQI
49AQI
4th August 2025
61AQI
61AQI
5th August 2025
51AQI
51AQI
6th August 2025
53AQI
53AQI
7th August 2025
44AQI
44AQI
8th August 2025
46AQI
46AQI
9th August 2025
49AQI
49AQI
10th August 2025
44AQI
44AQI
11th August 2025
37AQI
37AQI
12th August 2025
36AQI
36AQI
13th August 2025
40AQI
40AQI
14th August 2025
46AQI
46AQI
15th August 2025
46AQI
46AQI
16th August 2025
43AQI
43AQI
17th August 2025
43AQI
43AQI
18th August 2025
46AQI
46AQI
19th August 2025
44AQI
44AQI
20th August 2025
45AQI
45AQI
21st August 2025
44AQI
44AQI
22nd August 2025
40AQI
40AQI
23rd August 2025
49AQI
49AQI
24th August 2025
54AQI
54AQI
25th August 2025
56AQI
56AQI
26th August 2025
56AQI
56AQI
27th August 2025
55AQI
55AQI
28th August 2025
53AQI
53AQI
29th August 2025
55AQI
55AQI
30th August 2025
56AQI
56AQI
31st August 2025
55AQI
55AQI
1st September 2025
39AQI
39AQI
2nd September 2025
34AQI
34AQI
3rd September 2025
39AQI
39AQI
4th September 2025
27AQI
27AQI
5th September 2025
24AQI
24AQI
6th September 2025
27AQI
27AQI
7th September 2025
34AQI
34AQI
8th September 2025
35AQI
35AQI
9th September 2025
37AQI
37AQI
10th September 2025
35AQI
35AQI
11th September 2025
30AQI
30AQI
12th September 2025
30AQI
30AQI
13th September 2025
28AQI
28AQI
14th September 2025
37AQI
37AQI
15th September 2025
33AQI
33AQI
16th September 2025
44AQI
44AQI
17th September 2025
50AQI
50AQI
18th September 2025
36AQI
36AQI
19th September 2025
35AQI
35AQI
20th September 2025
41AQI
41AQI
21st September 2025
28AQI
28AQI
22nd September 2025
32AQI
32AQI
23rd September 2025
36AQI
36AQI
24th September 2025
31AQI
31AQI
25th September 2025
34AQI
34AQI
26th September 2025
32AQI
32AQI
27th September 2025
24AQI
24AQI
28th September 2025
28AQI
28AQI
29th September 2025
29AQI
29AQI
30th September 2025
30AQI
30AQI
1st October 2025
41AQI
41AQI
2nd October 2025
40AQI
40AQI
3rd October 2025
43AQI
43AQI
4th October 2025
55AQI
55AQI
5th October 2025
46AQI
46AQI
6th October 2025
46AQI
46AQI
7th October 2025
44AQI
44AQI
8th October 2025
50AQI
50AQI
9th October 2025
53AQI
53AQI
10th October 2025
47AQI
47AQI
11th October 2025
41AQI
41AQI
12th October 2025
38AQI
38AQI
13th October 2025
40AQI
40AQI
14th October 2025
50AQI
50AQI
15th October 2025
49AQI
49AQI
16th October 2025
46AQI
46AQI
17th October 2025
53AQI
53AQI
18th October 2025
55AQI
55AQI
19th October 2025
48AQI
48AQI
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
41AQI
40AQI
48AQI
46AQI
41AQI
45AQI
51AQI
48AQI
33AQI
47AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202544AQI
27
4
24
4
22
9
19
11
23
8
19
11
18
13
20
11
30
15
4
217
75
Highest AQI recorded in
July51AQI
Lowest AQI recorded in
September33AQI
202437AQI
26
5
27
2
25
6
21
8
1
28
3
26
4
28
3
25
6
27
3
31
29
1
31
324
41
1
Highest AQI recorded in
April49AQI
Lowest AQI recorded in
December32AQI
202340AQI
24
7
20
8
18
13
19
11
26
5
20
10
25
6
30
1
29
1
29
2
22
6
23
8
285
78
Highest AQI recorded in
April47AQI
Lowest AQI recorded in
August27AQI
202240AQI
21
2
18
3
17
13
21
9
17
14
25
5
17
4
1
26
2
29
2
21
9
28
3
241
66
Highest AQI recorded in
March49AQI
Lowest AQI recorded in
August23AQI
202140AQI
21
9
19
9
21
9
1
25
5
22
9
23
7
29
2
27
4
27
3
31
23
7
26
5
294
69
1
Highest AQI recorded in
March46AQI
Lowest AQI recorded in
August31AQI
202042AQI
7
6
13
8
15
3
24
6
28
3
10
21
17
2
25
6
19
11
18
13
176
79
Highest AQI recorded in
August58AQI
Lowest AQI recorded in
July33AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
44AQILeast Polluted Year Recorded
2024(Avg.)
37AQIOsaka Prefecture's annual 2025 AQI (44) shows an average percentage change of 10.3% (worsened AQI) compared to previous years: 2020 (42), 2021 (40), 2022 (40), 2023 (40), 2024 (37).
