Wakamatsudai, 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
Wakamatsudai, Sayama, Osaka, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
25th Oct 2023
64AQILowest AQI recorded on
4th Oct 2024
19AQISame Day Analysis (19th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 50 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
Wakamatsudai, 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
57AQI
Avg. Lowest Time
10AM19th Oct
14AQI
In the last 24 hours,
Wakamatsudai's AQI reached its highest point of 57 at 11 PM during the Night, while the lowest point, 14, was recorded at 10 AM during the Night between 19th Oct and 20th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Wakamatsudai, 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 2025385 AMAQI
20th Sep 2025386 AMAQI
20th Sep 2025387 AMAQI
20th Sep 2025388 AMAQI
20th Sep 2025239 AMAQI
20th Sep 20251810 AMAQI
20th Sep 20252011 AMAQI
20th Sep 20252712 PMAQI
20th Sep 2025311 PMAQI
20th Sep 2025362 PMAQI
20th Sep 2025383 PMAQI
20th Sep 2025574 PMAQI
20th Sep 2025555 PMAQI
20th Sep 2025536 PMAQI
20th Sep 2025537 PMAQI
20th Sep 2025568 PMAQI
20th Sep 2025589 PMAQI
20th Sep 20256210 PMAQI
20th Sep 20256211 PMAQI
21st Sep 20256112 AMAQI
21st Sep 2025461 AMAQI
21st Sep 2025392 AMAQI
21st Sep 2025383 AMAQI
21st Sep 2025384 AMAQI
27°C24/30°C
21st Sep 2025375 AMAQI
21st Sep 2025376 AMAQI
21st Sep 2025377 AMAQI
21st Sep 2025378 AMAQI
21st Sep 2025209 AMAQI
21st Sep 20251310 AMAQI
21st Sep 20251411 AMAQI
21st Sep 20251912 PMAQI
21st Sep 2025191 PMAQI
21st Sep 2025192 PMAQI
21st Sep 2025163 PMAQI
21st Sep 2025154 PMAQI
21st Sep 2025145 PMAQI
21st Sep 2025156 PMAQI
21st Sep 2025167 PMAQI
21st Sep 2025208 PMAQI
21st Sep 2025319 PMAQI
21st Sep 20253010 PMAQI
21st Sep 20253011 PMAQI
22nd Sep 20253312 AMAQI
22nd Sep 2025431 AMAQI
22nd Sep 2025452 AMAQI
22nd Sep 2025443 AMAQI
22nd Sep 2025424 AMAQI
25°C22/28°C
22nd Sep 2025385 AMAQI
22nd Sep 2025376 AMAQI
22nd Sep 2025387 AMAQI
22nd Sep 2025388 AMAQI
22nd Sep 2025239 AMAQI
22nd Sep 20252010 AMAQI
22nd Sep 20251911 AMAQI
22nd Sep 20252012 PMAQI
22nd Sep 2025241 PMAQI
22nd Sep 2025242 PMAQI
22nd Sep 2025243 PMAQI
22nd Sep 2025204 PMAQI
22nd Sep 2025255 PMAQI
22nd Sep 2025366 PMAQI
22nd Sep 2025377 PMAQI
22nd Sep 2025318 PMAQI
22nd Sep 2025319 PMAQI
22nd Sep 20253610 PMAQI
22nd Sep 20253311 PMAQI
23rd Sep 20253412 AMAQI
23rd Sep 2025381 AMAQI
23rd Sep 2025402 AMAQI
23rd Sep 2025413 AMAQI
23rd Sep 2025404 AMAQI
24°C21/27°C
23rd Sep 2025365 AMAQI
23rd Sep 2025366 AMAQI
23rd Sep 2025367 AMAQI
23rd Sep 2025368 AMAQI
23rd Sep 2025289 AMAQI
23rd Sep 20252610 AMAQI
23rd Sep 20252911 AMAQI
23rd Sep 20252912 PMAQI
23rd Sep 2025311 PMAQI
23rd Sep 2025332 PMAQI
23rd Sep 2025343 PMAQI
23rd Sep 2025364 PMAQI
23rd Sep 2025345 PMAQI
23rd Sep 2025326 PMAQI
23rd Sep 2025347 PMAQI
23rd Sep 2025358 PMAQI
23rd Sep 2025379 PMAQI
23rd Sep 20253610 PMAQI
23rd Sep 20253511 PMAQI
24th Sep 20253712 AMAQI
24th Sep 2025351 AMAQI
24th Sep 2025362 AMAQI
24th Sep 2025373 AMAQI
24th Sep 2025364 AMAQI
23°C22/25°C
24th Sep 2025355 AMAQI
24th Sep 2025366 AMAQI
24th Sep 2025357 AMAQI
24th Sep 2025368 AMAQI
24th Sep 2025269 AMAQI
24th Sep 20252010 AMAQI
24th Sep 20252211 AMAQI
24th Sep 20252012 PMAQI
24th Sep 2025271 PMAQI
24th Sep 2025282 PMAQI
24th Sep 2025293 PMAQI
24th Sep 2025344 PMAQI
24th Sep 2025395 PMAQI
24th Sep 2025406 PMAQI
24th Sep 2025377 PMAQI
24th Sep 2025308 PMAQI
24th Sep 2025339 PMAQI
24th Sep 20253210 PMAQI
24th Sep 20253311 PMAQI
25th Sep 20253312 AMAQI
25th Sep 2025351 AMAQI
25th Sep 2025372 AMAQI
25th Sep 2025383 AMAQI
25th Sep 2025364 AMAQI
25°C23/28°C
25th Sep 2025365 AMAQI
25th Sep 2025366 AMAQI
25th Sep 2025347 AMAQI
25th Sep 2025358 AMAQI
25th Sep 2025279 AMAQI
25th Sep 20253010 AMAQI
25th Sep 20253011 AMAQI
25th Sep 20253312 PMAQI
25th Sep 2025341 PMAQI
25th Sep 2025442 PMAQI
25th Sep 2025443 PMAQI
25th Sep 2025414 PMAQI
25th Sep 2025395 PMAQI
25th Sep 2025356 PMAQI
25th Sep 2025397 PMAQI
25th Sep 2025318 PMAQI
25th Sep 2025229 PMAQI
25th Sep 20251810 PMAQI
25th Sep 20251711 PMAQI
26th Sep 20251712 AMAQI
26th Sep 2025161 AMAQI
26th Sep 2025152 AMAQI
26th Sep 2025143 AMAQI
26th Sep 2025114 AMAQI
25°C23/28°C
26th Sep 2025115 AMAQI
26th Sep 2025116 AMAQI
26th Sep 2025117 AMAQI
26th Sep 2025148 AMAQI
26th Sep 2025219 AMAQI
26th Sep 20252410 AMAQI
26th Sep 20254111 AMAQI
26th Sep 20255212 PMAQI
26th Sep 2025561 PMAQI
26th Sep 2025622 PMAQI
26th Sep 2025653 PMAQI
26th Sep 2025564 PMAQI
26th Sep 2025525 PMAQI
26th Sep 2025466 PMAQI
26th Sep 2025447 PMAQI
26th Sep 2025468 PMAQI
26th Sep 2025509 PMAQI
26th Sep 20254810 PMAQI
26th Sep 20252611 PMAQI
27th Sep 20252612 AMAQI
27th Sep 2025301 AMAQI
27th Sep 2025312 AMAQI
27th Sep 2025313 AMAQI
27th Sep 2025324 AMAQI
26°C23/29°C
27th Sep 2025315 AMAQI
27th Sep 2025316 AMAQI
27th Sep 2025317 AMAQI
27th Sep 2025238 AMAQI
27th Sep 2025229 AMAQI
27th Sep 20253410 AMAQI
27th Sep 20254011 AMAQI
27th Sep 20254412 PMAQI
27th Sep 2025431 PMAQI
27th Sep 2025342 PMAQI
27th Sep 2025363 PMAQI
27th Sep 2025334 PMAQI
27th Sep 2025305 PMAQI
27th Sep 2025266 PMAQI
27th Sep 2025287 PMAQI
27th Sep 2025198 PMAQI
27th Sep 2025179 PMAQI
27th Sep 20252010 PMAQI
27th Sep 20252211 PMAQI
28th Sep 20251712 AMAQI
28th Sep 2025171 AMAQI
28th Sep 2025152 AMAQI
28th Sep 2025173 AMAQI
28th Sep 2025174 AMAQI
24°C22/28°C
28th Sep 2025185 AMAQI
28th Sep 2025206 AMAQI
28th Sep 2025217 AMAQI
28th Sep 2025228 AMAQI
28th Sep 2025269 AMAQI
28th Sep 20252910 AMAQI
28th Sep 20254011 AMAQI
28th Sep 20254412 PMAQI
28th Sep 2025441 PMAQI
28th Sep 2025442 PMAQI
28th Sep 2025443 PMAQI
28th Sep 2025454 PMAQI
28th Sep 2025485 PMAQI
28th Sep 2025396 PMAQI
28th Sep 2025317 PMAQI
28th Sep 2025338 PMAQI
28th Sep 2025339 PMAQI
28th Sep 20253410 PMAQI
28th Sep 20253611 PMAQI
29th Sep 20253312 AMAQI
29th Sep 2025331 AMAQI
29th Sep 2025372 AMAQI
29th Sep 2025343 AMAQI
29th Sep 2025364 AMAQI
24°C21/28°C
29th Sep 2025425 AMAQI
29th Sep 2025366 AMAQI
29th Sep 2025337 AMAQI
29th Sep 2025268 AMAQI
29th Sep 2025379 AMAQI
29th Sep 20252910 AMAQI
29th Sep 20251811 AMAQI
29th Sep 20251612 PMAQI
29th Sep 2025131 PMAQI
29th Sep 2025202 PMAQI
29th Sep 2025113 PMAQI
29th Sep 2025194 PMAQI
29th Sep 2025175 PMAQI
29th Sep 2025226 PMAQI
29th Sep 2025277 PMAQI
29th Sep 2025228 PMAQI
29th Sep 2025249 PMAQI
29th Sep 20252510 PMAQI
29th Sep 20252011 PMAQI
30th Sep 20252212 AMAQI
30th Sep 2025121 AMAQI
30th Sep 2025132 AMAQI
30th Sep 2025163 AMAQI
30th Sep 2025124 AMAQI
24°C22/26°C
30th Sep 2025115 AMAQI
30th Sep 2025186 AMAQI
30th Sep 2025337 AMAQI
30th Sep 2025258 AMAQI
30th Sep 2025169 AMAQI
30th Sep 20252810 AMAQI
30th Sep 20252111 AMAQI
30th Sep 20251612 PMAQI
30th Sep 2025231 PMAQI
30th Sep 2025212 PMAQI
30th Sep 2025223 PMAQI
30th Sep 2025324 PMAQI
30th Sep 2025395 PMAQI
30th Sep 2025306 PMAQI
30th Sep 2025307 PMAQI
30th Sep 2025298 PMAQI
30th Sep 2025289 PMAQI
30th Sep 20252610 PMAQI
30th Sep 20252311 PMAQI
1st Oct 20252712 AMAQI
1st Oct 2025221 AMAQI
1st Oct 2025272 AMAQI
1st Oct 2025263 AMAQI
1st Oct 2025214 AMAQI
23°C21/26°C
1st Oct 2025225 AMAQI
1st Oct 2025156 AMAQI
1st Oct 2025177 AMAQI
1st Oct 2025218 AMAQI
1st Oct 2025259 AMAQI
1st Oct 20253410 AMAQI
1st Oct 20253611 AMAQI
1st Oct 20254112 PMAQI
1st Oct 2025491 PMAQI
1st Oct 2025522 PMAQI
1st Oct 2025533 PMAQI
1st Oct 2025544 PMAQI
1st Oct 2025545 PMAQI
1st Oct 2025546 PMAQI
1st Oct 2025487 PMAQI
1st Oct 2025548 PMAQI
1st Oct 2025539 PMAQI
1st Oct 20255010 PMAQI
1st Oct 20254611 PMAQI
2nd Oct 20254512 AMAQI
2nd Oct 2025361 AMAQI
2nd Oct 2025462 AMAQI
2nd Oct 2025463 AMAQI
2nd Oct 2025464 AMAQI
24°C21/26°C
2nd Oct 2025345 AMAQI
2nd Oct 2025316 AMAQI
2nd Oct 2025317 AMAQI
2nd Oct 2025328 AMAQI
2nd Oct 2025329 AMAQI
2nd Oct 20253310 AMAQI
2nd Oct 20253411 AMAQI
2nd Oct 20253112 PMAQI
2nd Oct 2025381 PMAQI
2nd Oct 2025382 PMAQI
2nd Oct 2025403 PMAQI
2nd Oct 2025444 PMAQI
2nd Oct 2025455 PMAQI
2nd Oct 2025476 PMAQI
2nd Oct 2025427 PMAQI
2nd Oct 2025488 PMAQI
2nd Oct 2025519 PMAQI
2nd Oct 20254210 PMAQI
2nd Oct 20254411 PMAQI
3rd Oct 20254512 AMAQI
3rd Oct 2025391 AMAQI
3rd Oct 2025332 AMAQI
3rd Oct 2025323 AMAQI
3rd Oct 2025354 AMAQI
24°C21/27°C
3rd Oct 2025325 AMAQI
3rd Oct 2025376 AMAQI
3rd Oct 2025397 AMAQI
3rd Oct 2025378 AMAQI
3rd Oct 2025309 AMAQI
3rd Oct 20253010 AMAQI
3rd Oct 20253511 AMAQI
3rd Oct 20254212 PMAQI
3rd Oct 2025441 PMAQI
3rd Oct 2025502 PMAQI
3rd Oct 2025553 PMAQI
3rd Oct 2025554 PMAQI
3rd Oct 2025575 PMAQI
3rd Oct 2025626 PMAQI
3rd Oct 2025607 PMAQI
3rd Oct 2025558 PMAQI
3rd Oct 2025779 PMAQI
3rd Oct 20257110 PMAQI
3rd Oct 20256911 PMAQI
4th Oct 20256612 AMAQI
4th Oct 2025681 AMAQI
4th Oct 2025692 AMAQI
4th Oct 2025653 AMAQI
4th Oct 2025634 AMAQI
22°C21/23°C
4th Oct 2025565 AMAQI
4th Oct 2025516 AMAQI
4th Oct 2025497 AMAQI
4th Oct 2025488 AMAQI
4th Oct 2025449 AMAQI
4th Oct 20253710 AMAQI
4th Oct 20253011 AMAQI
4th Oct 20252712 PMAQI
4th Oct 2025471 PMAQI
4th Oct 2025452 PMAQI
4th Oct 2025493 PMAQI
4th Oct 2025504 PMAQI
4th Oct 2025525 PMAQI
4th Oct 2025526 PMAQI
4th Oct 2025487 PMAQI
4th Oct 2025388 PMAQI
4th Oct 2025429 PMAQI
4th Oct 20254610 PMAQI
4th Oct 20255511 PMAQI
5th Oct 20255212 AMAQI
5th Oct 2025531 AMAQI
5th Oct 2025492 AMAQI
5th Oct 2025523 AMAQI
5th Oct 2025494 AMAQI
22°C21/24°C
5th Oct 2025465 AMAQI
5th Oct 2025486 AMAQI
5th Oct 2025467 AMAQI
5th Oct 2025478 AMAQI
5th Oct 2025519 AMAQI
5th Oct 20255410 AMAQI
5th Oct 20255311 AMAQI
5th Oct 20255012 PMAQI
5th Oct 2025461 PMAQI
5th Oct 2025492 PMAQI
5th Oct 2025513 PMAQI
5th Oct 2025374 PMAQI
5th Oct 2025305 PMAQI
5th Oct 2025446 PMAQI
5th Oct 2025477 PMAQI
5th Oct 2025448 PMAQI
5th Oct 2025409 PMAQI
5th Oct 20253410 PMAQI
5th Oct 20253411 PMAQI
6th Oct 20253412 AMAQI
6th Oct 2025351 AMAQI
6th Oct 2025382 AMAQI
6th Oct 2025373 AMAQI
6th Oct 2025344 AMAQI
24°C22/27°C
6th Oct 2025465 AMAQI
6th Oct 2025466 AMAQI
6th Oct 2025427 AMAQI
6th Oct 2025448 AMAQI
6th Oct 2025469 AMAQI
6th Oct 20255110 AMAQI
6th Oct 20254911 AMAQI
6th Oct 20255212 PMAQI
6th Oct 2025561 PMAQI
6th Oct 2025582 PMAQI
6th Oct 2025443 PMAQI
6th Oct 2025424 PMAQI
6th Oct 2025455 PMAQI
6th Oct 2025576 PMAQI
6th Oct 2025627 PMAQI
6th Oct 2025628 PMAQI
6th Oct 2025619 PMAQI
6th Oct 20256110 PMAQI
6th Oct 20256611 PMAQI
7th Oct 20256712 AMAQI
7th Oct 2025601 AMAQI
7th Oct 2025562 AMAQI
23°C21/27°C
7th Oct 2025488 PMAQI
7th Oct 2025399 PMAQI
7th Oct 20256710 PMAQI
7th Oct 20255711 PMAQI
8th Oct 20254412 AMAQI
8th Oct 2025461 AMAQI
8th Oct 2025492 AMAQI
8th Oct 2025513 AMAQI
8th Oct 2025524 AMAQI
24°C21/27°C
8th Oct 2025445 AMAQI
8th Oct 2025396 AMAQI
8th Oct 2025407 AMAQI
8th Oct 2025388 AMAQI
8th Oct 2025429 AMAQI
8th Oct 20254610 AMAQI
8th Oct 20255011 AMAQI
8th Oct 20255812 PMAQI
8th Oct 2025591 PMAQI
8th Oct 2025592 PMAQI
8th Oct 2025613 PMAQI
8th Oct 2025524 PMAQI
8th Oct 2025525 PMAQI
8th Oct 2025516 PMAQI
8th Oct 2025597 PMAQI
8th Oct 2025648 PMAQI
8th Oct 2025639 PMAQI
8th Oct 20255910 PMAQI
8th Oct 20255711 PMAQI
9th Oct 20255612 AMAQI
9th Oct 2025551 AMAQI
9th Oct 2025522 AMAQI
9th Oct 2025523 AMAQI
9th Oct 2025524 AMAQI
25°C22/30°C
9th Oct 2025545 AMAQI
9th Oct 2025556 AMAQI
9th Oct 2025527 AMAQI
9th Oct 2025508 AMAQI
9th Oct 2025459 AMAQI
9th Oct 20254510 AMAQI
9th Oct 20255311 AMAQI
9th Oct 20255012 PMAQI
9th Oct 2025581 PMAQI
9th Oct 2025452 PMAQI
9th Oct 2025413 PMAQI
9th Oct 2025384 PMAQI
9th Oct 2025515 PMAQI
9th Oct 2025556 PMAQI
9th Oct 2025567 PMAQI
9th Oct 2025578 PMAQI
9th Oct 2025629 PMAQI
9th Oct 20255810 PMAQI
9th Oct 20256411 PMAQI
10th Oct 20256012 AMAQI
10th Oct 2025561 AMAQI
10th Oct 2025562 AMAQI
10th Oct 2025543 AMAQI
10th Oct 2025504 AMAQI
23°C20/26°C
10th Oct 2025485 AMAQI
10th Oct 2025536 AMAQI
10th Oct 2025497 AMAQI
10th Oct 2025448 AMAQI
10th Oct 2025569 AMAQI
10th Oct 20255810 AMAQI
10th Oct 20256311 AMAQI
10th Oct 20256012 PMAQI
10th Oct 2025621 PMAQI
10th Oct 2025602 PMAQI
10th Oct 2025573 PMAQI
10th Oct 2025574 PMAQI
10th Oct 2025565 PMAQI
10th Oct 2025576 PMAQI
10th Oct 2025567 PMAQI
10th Oct 2025538 PMAQI
10th Oct 2025549 PMAQI
10th Oct 20255410 PMAQI
10th Oct 20255311 PMAQI
11th Oct 20255312 AMAQI
11th Oct 2025531 AMAQI
11th Oct 2025522 AMAQI
11th Oct 2025513 AMAQI
11th Oct 2025524 AMAQI
21°C20/23°C
11th Oct 2025485 AMAQI
11th Oct 2025456 AMAQI
11th Oct 2025447 AMAQI
11th Oct 2025458 AMAQI
11th Oct 2025449 AMAQI
11th Oct 20254810 AMAQI
11th Oct 20254711 AMAQI
11th Oct 20254512 PMAQI
11th Oct 2025531 PMAQI
11th Oct 2025512 PMAQI
11th Oct 2025533 PMAQI
11th Oct 2025524 PMAQI
11th Oct 2025495 PMAQI
11th Oct 2025506 PMAQI
11th Oct 2025527 PMAQI
11th Oct 2025548 PMAQI
11th Oct 2025529 PMAQI
11th Oct 20255410 PMAQI
11th Oct 20255111 PMAQI
12th Oct 20255412 AMAQI
12th Oct 2025481 AMAQI
12th Oct 2025332 AMAQI
12th Oct 2025343 AMAQI
12th Oct 2025354 AMAQI
24°C21/27°C
12th Oct 2025375 AMAQI
12th Oct 2025346 AMAQI
12th Oct 2025347 AMAQI
12th Oct 2025358 AMAQI
12th Oct 2025349 AMAQI
12th Oct 20255410 AMAQI
12th Oct 20255511 AMAQI
12th Oct 20255712 PMAQI
12th Oct 2025561 PMAQI
12th Oct 2025542 PMAQI
12th Oct 2025553 PMAQI
12th Oct 2025544 PMAQI
12th Oct 2025535 PMAQI
12th Oct 2025506 PMAQI
12th Oct 2025397 PMAQI
12th Oct 2025398 PMAQI
12th Oct 2025469 PMAQI
12th Oct 20255210 PMAQI
12th Oct 20255111 PMAQI
13th Oct 20255412 AMAQI
13th Oct 2025521 AMAQI
13th Oct 2025522 AMAQI
13th Oct 2025513 AMAQI
13th Oct 2025494 AMAQI
24°C22/26°C
13th Oct 2025525 AMAQI
13th Oct 2025546 AMAQI
13th Oct 2025567 AMAQI
13th Oct 2025558 AMAQI
13th Oct 2025569 AMAQI
13th Oct 20255510 AMAQI
13th Oct 20255511 AMAQI
13th Oct 20255112 PMAQI
13th Oct 2025371 PMAQI
13th Oct 2025162 PMAQI
13th Oct 2025143 PMAQI
13th Oct 2025284 PMAQI
13th Oct 2025315 PMAQI
13th Oct 2025456 PMAQI
13th Oct 2025467 PMAQI
13th Oct 2025488 PMAQI
13th Oct 2025509 PMAQI
13th Oct 20255610 PMAQI
13th Oct 20255411 PMAQI
14th Oct 20255512 AMAQI
14th Oct 2025481 AMAQI
14th Oct 2025472 AMAQI
14th Oct 2025463 AMAQI
14th Oct 2025474 AMAQI
23°C22/26°C
14th Oct 2025415 AMAQI
14th Oct 2025466 AMAQI
14th Oct 2025447 AMAQI
14th Oct 2025478 AMAQI
14th Oct 2025439 AMAQI
14th Oct 20255010 AMAQI
14th Oct 20255411 AMAQI
14th Oct 20255512 PMAQI
14th Oct 2025531 PMAQI
14th Oct 2025502 PMAQI
14th Oct 2025453 PMAQI
14th Oct 2025454 PMAQI
14th Oct 2025685 PMAQI
14th Oct 2025686 PMAQI
14th Oct 2025667 PMAQI
14th Oct 2025648 PMAQI
14th Oct 2025709 PMAQI
14th Oct 20257210 PMAQI
14th Oct 20256611 PMAQI
15th Oct 20255912 AMAQI
15th Oct 2025621 AMAQI
15th Oct 2025582 AMAQI
15th Oct 2025513 AMAQI
15th Oct 2025574 AMAQI
24°C21/28°C
15th Oct 2025575 AMAQI
15th Oct 2025536 AMAQI
15th Oct 2025437 AMAQI
15th Oct 2025438 AMAQI
15th Oct 2025399 AMAQI
15th Oct 20253410 AMAQI
15th Oct 20254211 AMAQI
15th Oct 20254112 PMAQI
15th Oct 2025491 PMAQI
15th Oct 2025452 PMAQI
15th Oct 2025493 PMAQI
15th Oct 2025424 PMAQI
15th Oct 2025405 PMAQI
15th Oct 2025466 PMAQI
15th Oct 2025547 PMAQI
15th Oct 2025548 PMAQI
15th Oct 2025569 PMAQI
15th Oct 20255110 PMAQI
15th Oct 20255811 PMAQI
16th Oct 20255912 AMAQI
16th Oct 2025491 AMAQI
16th Oct 2025472 AMAQI
16th Oct 2025493 AMAQI
16th Oct 2025444 AMAQI
24°C22/27°C
16th Oct 2025505 AMAQI
16th Oct 2025436 AMAQI
16th Oct 2025427 AMAQI
16th Oct 2025418 AMAQI
16th Oct 2025409 AMAQI
16th Oct 20253810 AMAQI
16th Oct 20254111 AMAQI
16th Oct 20254612 PMAQI
16th Oct 2025471 PMAQI
16th Oct 2025532 PMAQI
16th Oct 2025513 PMAQI
16th Oct 2025534 PMAQI
16th Oct 2025555 PMAQI
16th Oct 2025526 PMAQI
16th Oct 2025547 PMAQI
16th Oct 2025578 PMAQI
16th Oct 2025549 PMAQI
16th Oct 20255410 PMAQI
16th Oct 20255411 PMAQI
17th Oct 20256212 AMAQI
17th Oct 2025621 AMAQI
17th Oct 2025602 AMAQI
17th Oct 2025543 AMAQI
17th Oct 2025484 AMAQI
24°C22/27°C
17th Oct 2025405 AMAQI
17th Oct 2025496 AMAQI
17th Oct 2025467 AMAQI
17th Oct 2025498 AMAQI
17th Oct 2025379 AMAQI
17th Oct 20254610 AMAQI
17th Oct 20255011 AMAQI
17th Oct 20255912 PMAQI
17th Oct 2025591 PMAQI
17th Oct 2025562 PMAQI
17th Oct 2025583 PMAQI
17th Oct 2025594 PMAQI
17th Oct 2025615 PMAQI
17th Oct 2025606 PMAQI
17th Oct 2025647 PMAQI
17th Oct 2025618 PMAQI
17th Oct 2025629 PMAQI
17th Oct 20256110 PMAQI
17th Oct 20256311 PMAQI
18th Oct 20256212 AMAQI
18th Oct 2025621 AMAQI
18th Oct 2025592 AMAQI
18th Oct 2025573 AMAQI
18th Oct 2025564 AMAQI
23°C20/27°C
18th Oct 2025555 AMAQI
18th Oct 2025506 AMAQI
18th Oct 2025507 AMAQI
18th Oct 2025548 AMAQI
18th Oct 2025509 AMAQI
18th Oct 20255410 AMAQI
18th Oct 20255511 AMAQI
18th Oct 20255512 PMAQI
18th Oct 2025561 PMAQI
18th Oct 2025552 PMAQI
18th Oct 2025563 PMAQI
18th Oct 2025514 PMAQI
18th Oct 2025535 PMAQI
18th Oct 2025516 PMAQI
18th Oct 2025567 PMAQI
18th Oct 2025758 PMAQI
18th Oct 2025959 PMAQI
18th Oct 20256310 PMAQI
18th Oct 20255911 PMAQI
19th Oct 20255812 AMAQI
19th Oct 2025571 AMAQI
19th Oct 2025532 AMAQI
19th Oct 2025523 AMAQI
19th Oct 2025454 AMAQI
23°C20/28°C
19th Oct 2025405 AMAQI
19th Oct 2025456 AMAQI
19th Oct 2025407 AMAQI
19th Oct 2025418 AMAQI
19th Oct 2025309 AMAQI
19th Oct 20251410 AMAQI
19th Oct 20252011 AMAQI
19th Oct 20254212 PMAQI
19th Oct 2025401 PMAQI
19th Oct 2025462 PMAQI
19th Oct 2025423 PMAQI
19th Oct 2025284 PMAQI
19th Oct 2025445 PMAQI
19th Oct 2025436 PMAQI
19th Oct 2025407 PMAQI
19th Oct 2025448 PMAQI
19th Oct 2025439 PMAQI
19th Oct 20254610 PMAQI
19th Oct 20255711 PMAQI
20th Oct 20255412 AMAQI
20th Oct 2025291 AMAQI
20th Oct 2025222 AMAQI
20th Oct 2025523 AMAQI
20th Oct 2025264 AMAQI
--°C/°C
20th Oct 2025175 AMAQI
5 AM20th Oct 2025156 AMAQI
20th Oct 2025197 AMAQI
11 AM
5 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 PM
44AQI
1 hours / Day
30 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 5 PM to 5 PM (Avg. 44), while the lowest AQI was between 9 AM to 10 AM (Avg. 36).
Night time
Avg. Highest Time
9 PM - 11 PM
47AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
4 AM
40AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 11 PM (Avg. 47), while the lowest AQI was between 4 AM to 4 AM (Avg. 40).
2025 Days Vs Air Quality
Wakamatsudai, Sayama, Osaka, Japan
2025
73%
213
27%
79
Total number of days with different AQI categories in last 292 days in 2025 (73 days remaining)
Good
213 DaysModerate
79 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 73%
Health Risk Level:
Low
In 2025, 73% 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
Wakamatsudai, 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
34AQI
34AQI
3rd January 2025
31AQI
31AQI
4th January 2025
31AQI
31AQI
5th January 2025
33AQI
33AQI
6th January 2025
35AQI
35AQI
7th January 2025
32AQI
32AQI
8th January 2025
30AQI
30AQI
9th January 2025
29AQI
29AQI
10th January 2025
26AQI
26AQI
11th January 2025
26AQI
26AQI
12th January 2025
34AQI
34AQI
13th January 2025
36AQI
36AQI
14th January 2025
46AQI
46AQI
15th January 2025
42AQI
42AQI
16th January 2025
39AQI
39AQI
17th January 2025
33AQI
33AQI
18th January 2025
34AQI
34AQI
19th January 2025
35AQI
35AQI
20th January 2025
43AQI
43AQI
21st January 2025
40AQI
40AQI
22nd January 2025
51AQI
51AQI
23rd January 2025
66AQI
66AQI
24th January 2025
63AQI
63AQI
25th January 2025
44AQI
44AQI
26th January 2025
40AQI
40AQI
27th January 2025
45AQI
45AQI
28th January 2025
36AQI
36AQI
29th January 2025
36AQI
36AQI
30th January 2025
39AQI
39AQI
31st January 2025
65AQI
65AQI
1st February 2025
63AQI
63AQI
2nd February 2025
45AQI
45AQI
3rd February 2025
47AQI
47AQI
4th February 2025
40AQI
40AQI
5th February 2025
40AQI
40AQI
6th February 2025
32AQI
32AQI
7th February 2025
35AQI
35AQI
8th February 2025
31AQI
31AQI
9th February 2025
30AQI
30AQI
10th February 2025
31AQI
31AQI
11th February 2025
31AQI
31AQI
12th February 2025
44AQI
44AQI
13th February 2025
31AQI
31AQI
14th February 2025
42AQI
42AQI
15th February 2025
29AQI
29AQI
16th February 2025
47AQI
47AQI
17th February 2025
37AQI
37AQI
18th February 2025
38AQI
38AQI
19th February 2025
30AQI
30AQI
20th February 2025
30AQI
30AQI
21st February 2025
30AQI
30AQI
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
57AQI
57AQI
28th February 2025
62AQI
62AQI
1st March 2025
71AQI
71AQI
2nd March 2025
94AQI
94AQI
3rd March 2025
52AQI
52AQI
4th March 2025
46AQI
46AQI
5th March 2025
35AQI
35AQI
6th March 2025
39AQI
39AQI
7th March 2025
34AQI
34AQI
8th March 2025
38AQI
38AQI
9th March 2025
37AQI
37AQI
10th March 2025
42AQI
42AQI
11th March 2025
33AQI
33AQI
12th March 2025
40AQI
40AQI
13th March 2025
49AQI
49AQI
14th March 2025
43AQI
43AQI
15th March 2025
37AQI
37AQI
16th March 2025
24AQI
24AQI
17th March 2025
38AQI
38AQI
18th March 2025
28AQI
28AQI
19th March 2025
28AQI
28AQI
20th March 2025
37AQI
37AQI
21st March 2025
52AQI
52AQI
22nd March 2025
55AQI
55AQI
23rd March 2025
62AQI
62AQI
24th March 2025
67AQI
67AQI
25th March 2025
70AQI
70AQI
26th March 2025
75AQI
75AQI
27th March 2025
53AQI
53AQI
28th March 2025
43AQI
43AQI
29th March 2025
41AQI
41AQI
30th March 2025
35AQI
35AQI
31st March 2025
36AQI
36AQI
1st April 2025
35AQI
35AQI
2nd April 2025
43AQI
43AQI
3rd April 2025
25AQI
25AQI
4th April 2025
29AQI
29AQI
5th April 2025
38AQI
38AQI
6th April 2025
40AQI
40AQI
7th April 2025
45AQI
45AQI
8th April 2025
45AQI
45AQI
9th April 2025
51AQI
51AQI
10th April 2025
52AQI
52AQI
11th April 2025
51AQI
51AQI
12th April 2025
52AQI
52AQI
13th April 2025
32AQI
32AQI
14th April 2025
47AQI
47AQI
15th April 2025
23AQI
23AQI
16th April 2025
42AQI
42AQI
17th April 2025
46AQI
46AQI
18th April 2025
54AQI
54AQI
19th April 2025
58AQI
58AQI
20th April 2025
43AQI
43AQI
21st April 2025
42AQI
42AQI
22nd April 2025
48AQI
48AQI
23rd April 2025
35AQI
35AQI
24th April 2025
33AQI
33AQI
25th April 2025
57AQI
57AQI
26th April 2025
52AQI
52AQI
27th April 2025
56AQI
56AQI
28th April 2025
44AQI
44AQI
29th April 2025
51AQI
51AQI
30th April 2025
61AQI
61AQI
1st May 2025
55AQI
55AQI
2nd May 2025
40AQI
40AQI
3rd May 2025
45AQI
45AQI
4th May 2025
37AQI
37AQI
5th May 2025
43AQI
43AQI
6th May 2025
25AQI
25AQI
7th May 2025
33AQI
33AQI
8th May 2025
29AQI
29AQI
9th May 2025
33AQI
33AQI
10th May 2025
29AQI
29AQI
11th May 2025
32AQI
32AQI
12th May 2025
48AQI
48AQI
13th May 2025
51AQI
51AQI
14th May 2025
56AQI
56AQI
15th May 2025
53AQI
53AQI
16th May 2025
51AQI
51AQI
17th May 2025
43AQI
43AQI
18th May 2025
53AQI
53AQI
19th May 2025
54AQI
54AQI
20th May 2025
62AQI
62AQI
21st May 2025
42AQI
42AQI
22nd May 2025
38AQI
38AQI
23rd May 2025
51AQI
51AQI
24th May 2025
32AQI
32AQI
25th May 2025
26AQI
26AQI
26th May 2025
30AQI
30AQI
27th May 2025
30AQI
30AQI
28th May 2025
28AQI
28AQI
29th May 2025
38AQI
38AQI
30th May 2025
30AQI
30AQI
31st May 2025
36AQI
36AQI
1st June 2025
42AQI
42AQI
2nd June 2025
47AQI
47AQI
3rd June 2025
27AQI
27AQI
4th June 2025
44AQI
44AQI
5th June 2025
42AQI
42AQI
6th June 2025
44AQI
44AQI
7th June 2025
51AQI
51AQI
8th June 2025
61AQI
61AQI
9th June 2025
44AQI
44AQI
10th June 2025
30AQI
30AQI
11th June 2025
31AQI
31AQI
12th June 2025
45AQI
45AQI
13th June 2025
52AQI
52AQI
14th June 2025
37AQI
37AQI
15th June 2025
29AQI
29AQI
16th June 2025
35AQI
35AQI
17th June 2025
36AQI
36AQI
18th June 2025
44AQI
44AQI
19th June 2025
47AQI
47AQI
20th June 2025
51AQI
51AQI
21st June 2025
49AQI
49AQI
22nd June 2025
45AQI
45AQI
23rd June 2025
41AQI
41AQI
24th June 2025
39AQI
39AQI
25th June 2025
38AQI
38AQI
26th June 2025
38AQI
38AQI
27th June 2025
48AQI
48AQI
28th June 2025
49AQI
49AQI
29th June 2025
51AQI
51AQI
30th June 2025
54AQI
54AQI
1st July 2025
56AQI
56AQI
2nd July 2025
66AQI
66AQI
3rd July 2025
76AQI
76AQI
4th July 2025
89AQI
89AQI
5th July 2025
82AQI
82AQI
6th July 2025
74AQI
74AQI
7th July 2025
70AQI
70AQI
8th July 2025
72AQI
72AQI
9th July 2025
78AQI
78AQI
10th July 2025
68AQI
68AQI
11th July 2025
61AQI
61AQI
12th July 2025
59AQI
59AQI
13th July 2025
55AQI
55AQI
14th July 2025
48AQI
48AQI
15th July 2025
51AQI
51AQI
16th July 2025
55AQI
55AQI
17th July 2025
44AQI
44AQI
18th July 2025
44AQI
44AQI
19th July 2025
41AQI
41AQI
20th July 2025
38AQI
38AQI
21st July 2025
35AQI
35AQI
22nd July 2025
36AQI
36AQI
23rd July 2025
36AQI
36AQI
24th July 2025
34AQI
34AQI
25th July 2025
31AQI
31AQI
26th July 2025
29AQI
29AQI
27th July 2025
27AQI
27AQI
28th July 2025
30AQI
30AQI
29th July 2025
36AQI
36AQI
30th July 2025
40AQI
40AQI
31st July 2025
44AQI
44AQI
1st August 2025
46AQI
46AQI
2nd August 2025
45AQI
45AQI
3rd August 2025
48AQI
48AQI
4th August 2025
60AQI
60AQI
5th August 2025
50AQI
50AQI
6th August 2025
52AQI
52AQI
7th August 2025
50AQI
50AQI
8th August 2025
49AQI
49AQI
9th August 2025
50AQI
50AQI
10th August 2025
47AQI
47AQI
11th August 2025
40AQI
40AQI
12th August 2025
35AQI
35AQI
13th August 2025
39AQI
39AQI
14th August 2025
44AQI
44AQI
15th August 2025
46AQI
46AQI
16th August 2025
45AQI
45AQI
17th August 2025
43AQI
43AQI
18th August 2025
43AQI
43AQI
19th August 2025
44AQI
44AQI
20th August 2025
42AQI
42AQI
21st August 2025
41AQI
41AQI
22nd August 2025
39AQI
39AQI
23rd August 2025
46AQI
46AQI
24th August 2025
54AQI
54AQI
25th August 2025
56AQI
56AQI
26th August 2025
56AQI
56AQI
27th August 2025
54AQI
54AQI
28th August 2025
55AQI
55AQI
29th August 2025
55AQI
55AQI
30th August 2025
56AQI
56AQI
31st August 2025
55AQI
55AQI
1st September 2025
40AQI
40AQI
2nd September 2025
33AQI
33AQI
3rd September 2025
38AQI
38AQI
4th September 2025
27AQI
27AQI
5th September 2025
22AQI
22AQI
6th September 2025
26AQI
26AQI
7th September 2025
34AQI
34AQI
8th September 2025
36AQI
36AQI
9th September 2025
37AQI
37AQI
10th September 2025
35AQI
35AQI
11th September 2025
29AQI
29AQI
12th September 2025
30AQI
30AQI
13th September 2025
27AQI
27AQI
14th September 2025
39AQI
39AQI
15th September 2025
33AQI
33AQI
16th September 2025
44AQI
44AQI
17th September 2025
50AQI
50AQI
18th September 2025
34AQI
34AQI
19th September 2025
35AQI
35AQI
20th September 2025
43AQI
43AQI
21st September 2025
28AQI
28AQI
22nd September 2025
33AQI
33AQI
23rd September 2025
34AQI
34AQI
24th September 2025
33AQI
33AQI
25th September 2025
33AQI
33AQI
26th September 2025
31AQI
31AQI
27th September 2025
28AQI
28AQI
28th September 2025
28AQI
28AQI
29th September 2025
28AQI
28AQI
30th September 2025
23AQI
23AQI
1st October 2025
36AQI
36AQI
2nd October 2025
42AQI
42AQI
3rd October 2025
47AQI
47AQI
4th October 2025
52AQI
52AQI
5th October 2025
49AQI
49AQI
6th October 2025
44AQI
44AQI
7th October 2025
56AQI
56AQI
8th October 2025
52AQI
52AQI
9th October 2025
54AQI
54AQI
10th October 2025
56AQI
56AQI
11th October 2025
51AQI
51AQI
12th October 2025
47AQI
47AQI
13th October 2025
48AQI
48AQI
14th October 2025
55AQI
55AQI
15th October 2025
52AQI
52AQI
16th October 2025
51AQI
51AQI
17th October 2025
56AQI
56AQI
18th October 2025
59AQI
59AQI
19th October 2025
50AQI
50AQI
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
39AQI
39AQI
46AQI
44AQI
40AQI
43AQI
52AQI
48AQI
33AQI
50AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202543AQI
27
4
25
3
21
10
19
11
22
9
24
6
16
15
21
10
30
8
11
213
79
Highest AQI recorded in
July52AQI
Lowest AQI recorded in
September33AQI
202436AQI
28
3
27
2
25
6
23
6
1
27
4
25
5
28
3
23
8
27
3
30
1
27
3
31
321
44
1
Highest AQI recorded in
April47AQI
Lowest AQI recorded in
December31AQI
202343AQI
25
5
1
22
6
21
10
15
15
24
7
17
13
14
13
26
5
26
4
24
7
24
5
25
6
263
96
1
Highest AQI recorded in
April51AQI
Lowest AQI recorded in
August34AQI
202241AQI
22
1
17
4
20
11
19
11
14
17
21
9
13
8
1
25
3
27
4
22
8
27
4
228
80
Highest AQI recorded in
May52AQI
Lowest AQI recorded in
August25AQI
202141AQI
22
8
16
12
22
8
1
26
4
22
9
15
15
18
13
24
7
25
5
25
6
22
8
30
1
267
96
1
Highest AQI recorded in
June51AQI
Lowest AQI recorded in
April33AQI
202039AQI
10
3
18
3
15
3
22
8
26
5
8
20
3
18
1
29
2
24
6
24
7
194
58
3
Highest AQI recorded in
August63AQI
Lowest AQI recorded in
October31AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
43AQILeast Polluted Year Recorded
2024(Avg.)
36AQIWakamatsudai's annual 2025 AQI (43) shows an average percentage change of 8.1% (worsened AQI) compared to previous years: 2020 (39), 2021 (41), 2022 (41), 2023 (43), 2024 (36).
