Country Background

Nishinoyamacho, 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

Nishinoyamacho, Sayama, Osaka, Japan

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
3rd Oct 2025
64AQI
Lowest AQI recorded on
9th Oct 2023
18AQI


Same Day Analysis (18th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 56 of Moderate air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 18th Oct - 19th Oct 2025

Nishinoyamacho, Sayama, Osaka, Japan

AQI
Day
Night
.

5 AM18th Oct 2025

5 PM

4 AM19th Oct 2025

Day time
Avg. Highest Time
1PM18th Oct

58AQI

Avg. Lowest Time
7AM18th Oct

45AQI

Night time
Avg. Highest Time
11PM18th Oct

63AQI

Avg. Lowest Time
4AM19th Oct

42AQI

In the last 24 hours,

Nishinoyamacho's AQI reached its highest point of 63 at 11 PM during the Night, while the lowest point, 42, was recorded at 4 AM during the Night between 18th Oct and 19th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Nishinoyamacho, Sayama, Osaka, Japan

SepOct
19th - 20th20th - 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
Day
Night
19th Sep 2025435 AMAQI
19th Sep 2025446 AMAQI
19th Sep 2025437 AMAQI
19th Sep 2025448 AMAQI
19th Sep 2025269 AMAQI
19th Sep 20252410 AMAQI
19th Sep 20252111 AMAQI
19th Sep 20252212 PMAQI
19th Sep 2025241 PMAQI
19th Sep 2025242 PMAQI
19th Sep 2025253 PMAQI
19th Sep 2025304 PMAQI
19th Sep 2025265 PMAQI
19th Sep 2025356 PMAQI
19th Sep 2025337 PMAQI
19th Sep 2025338 PMAQI
19th Sep 2025439 PMAQI
19th Sep 20253810 PMAQI
19th Sep 20253511 PMAQI
20th Sep 20253712 AMAQI
20th Sep 2025411 AMAQI
20th Sep 2025422 AMAQI
20th Sep 2025423 AMAQI
20th Sep 2025404 AMAQI

26°C23/30°C

20th Sep 2025385 AMAQI
20th Sep 2025376 AMAQI
20th Sep 2025387 AMAQI
20th Sep 2025388 AMAQI
20th Sep 2025299 AMAQI
20th Sep 20252410 AMAQI
20th Sep 20252511 AMAQI
20th Sep 20252612 PMAQI
20th Sep 2025311 PMAQI
20th Sep 2025332 PMAQI
20th Sep 2025363 PMAQI
20th Sep 2025624 PMAQI
20th Sep 2025555 PMAQI
20th Sep 2025496 PMAQI
20th Sep 2025467 PMAQI
20th Sep 2025538 PMAQI
20th Sep 2025589 PMAQI
20th Sep 20256110 PMAQI
20th Sep 20256111 PMAQI
21st Sep 20256112 AMAQI
21st Sep 2025461 AMAQI
21st Sep 2025402 AMAQI
21st Sep 2025403 AMAQI
21st Sep 2025384 AMAQI

26°C24/30°C

21st Sep 2025375 AMAQI
21st Sep 2025376 AMAQI
21st Sep 2025387 AMAQI
21st Sep 2025378 AMAQI
21st Sep 2025229 AMAQI
21st Sep 20251210 AMAQI
21st Sep 20251411 AMAQI
21st Sep 20251812 PMAQI
21st Sep 2025171 PMAQI
21st Sep 2025172 PMAQI
21st Sep 2025143 PMAQI
21st Sep 2025164 PMAQI
21st Sep 2025145 PMAQI
21st Sep 2025146 PMAQI
21st Sep 2025197 PMAQI
21st Sep 2025268 PMAQI
21st Sep 2025329 PMAQI
21st Sep 20252910 PMAQI
21st Sep 20252911 PMAQI
22nd Sep 20253112 AMAQI
22nd Sep 2025431 AMAQI
22nd Sep 2025442 AMAQI
22nd Sep 2025443 AMAQI
22nd Sep 2025424 AMAQI

25°C22/29°C

22nd Sep 2025375 AMAQI
22nd Sep 2025376 AMAQI
22nd Sep 2025377 AMAQI
22nd Sep 2025378 AMAQI
22nd Sep 2025269 AMAQI
22nd Sep 20252410 AMAQI
22nd Sep 20252011 AMAQI
22nd Sep 20251912 PMAQI
22nd Sep 2025201 PMAQI
22nd Sep 2025222 PMAQI
22nd Sep 2025243 PMAQI
22nd Sep 2025224 PMAQI
22nd Sep 2025205 PMAQI
22nd Sep 2025226 PMAQI
22nd Sep 2025267 PMAQI
22nd Sep 2025288 PMAQI
22nd Sep 2025349 PMAQI
22nd Sep 20253310 PMAQI
22nd Sep 20253611 PMAQI
23rd Sep 20253312 AMAQI
23rd Sep 2025371 AMAQI
23rd Sep 2025402 AMAQI
23rd Sep 2025393 AMAQI
23rd Sep 2025374 AMAQI

23°C20/27°C

23rd Sep 2025355 AMAQI
23rd Sep 2025356 AMAQI
23rd Sep 2025357 AMAQI
23rd Sep 2025368 AMAQI
23rd Sep 2025309 AMAQI
23rd Sep 20253010 AMAQI
23rd Sep 20253411 AMAQI
23rd Sep 20253712 PMAQI
23rd Sep 2025321 PMAQI
23rd Sep 2025342 PMAQI
23rd Sep 2025383 PMAQI
23rd Sep 2025384 PMAQI
23rd Sep 2025365 PMAQI
23rd Sep 2025346 PMAQI
23rd Sep 2025397 PMAQI
23rd Sep 2025388 PMAQI
23rd Sep 2025429 PMAQI
23rd Sep 20254010 PMAQI
23rd Sep 20253811 PMAQI
24th Sep 20253512 AMAQI
24th Sep 2025341 AMAQI
24th Sep 2025362 AMAQI
24th Sep 2025383 AMAQI
24th Sep 2025364 AMAQI

23°C21/25°C

24th Sep 2025355 AMAQI
24th Sep 2025366 AMAQI
24th Sep 2025347 AMAQI
24th Sep 2025358 AMAQI
24th Sep 2025309 AMAQI
24th Sep 20252310 AMAQI
24th Sep 20252511 AMAQI
24th Sep 20252512 PMAQI
24th Sep 2025181 PMAQI
24th Sep 2025192 PMAQI
24th Sep 2025223 PMAQI
24th Sep 2025304 PMAQI
24th Sep 2025375 PMAQI
24th Sep 2025226 PMAQI
24th Sep 2025217 PMAQI
24th Sep 2025218 PMAQI
24th Sep 2025279 PMAQI
24th Sep 20252610 PMAQI
24th Sep 20252611 PMAQI
25th Sep 20252612 AMAQI
25th Sep 2025321 AMAQI
25th Sep 2025352 AMAQI
25th Sep 2025363 AMAQI
25th Sep 2025344 AMAQI

24°C22/29°C

25th Sep 2025325 AMAQI
25th Sep 2025326 AMAQI
25th Sep 2025327 AMAQI
25th Sep 2025328 AMAQI
25th Sep 2025329 AMAQI
25th Sep 20253910 AMAQI
25th Sep 20253411 AMAQI
25th Sep 20253212 PMAQI
25th Sep 2025341 PMAQI
25th Sep 2025432 PMAQI
25th Sep 2025473 PMAQI
25th Sep 2025454 PMAQI
25th Sep 2025455 PMAQI
25th Sep 2025356 PMAQI
25th Sep 2025257 PMAQI
25th Sep 2025208 PMAQI
25th Sep 2025229 PMAQI
25th Sep 20252010 PMAQI
25th Sep 20252211 PMAQI
26th Sep 20251112 AMAQI
26th Sep 2025191 AMAQI
26th Sep 2025112 AMAQI
26th Sep 2025113 AMAQI
26th Sep 2025114 AMAQI

25°C22/28°C

26th Sep 2025165 AMAQI
26th Sep 2025176 AMAQI
26th Sep 2025177 AMAQI
26th Sep 2025208 AMAQI
26th Sep 2025289 AMAQI
26th Sep 20253410 AMAQI
26th Sep 20254511 AMAQI
26th Sep 20254912 PMAQI
26th Sep 2025541 PMAQI
26th Sep 2025552 PMAQI
26th Sep 2025563 PMAQI
26th Sep 2025584 PMAQI
26th Sep 2025525 PMAQI
26th Sep 2025496 PMAQI
26th Sep 2025537 PMAQI
26th Sep 2025508 PMAQI
26th Sep 2025549 PMAQI
26th Sep 20254910 PMAQI
26th Sep 20254311 PMAQI
27th Sep 20253712 AMAQI
27th Sep 2025331 AMAQI
27th Sep 2025332 AMAQI
27th Sep 2025283 AMAQI
27th Sep 2025214 AMAQI

26°C22/30°C

27th Sep 2025175 AMAQI
27th Sep 2025176 AMAQI
27th Sep 2025177 AMAQI
27th Sep 2025178 AMAQI
27th Sep 2025219 AMAQI
27th Sep 20253210 AMAQI
27th Sep 20253911 AMAQI
27th Sep 20254112 PMAQI
27th Sep 2025401 PMAQI
27th Sep 2025372 PMAQI
27th Sep 2025293 PMAQI
27th Sep 2025284 PMAQI
27th Sep 2025285 PMAQI
27th Sep 2025286 PMAQI
27th Sep 2025287 PMAQI
27th Sep 2025288 PMAQI
27th Sep 2025319 PMAQI
27th Sep 20253010 PMAQI
27th Sep 20252711 PMAQI
28th Sep 20251712 AMAQI
28th Sep 2025151 AMAQI
28th Sep 2025162 AMAQI
28th Sep 2025183 AMAQI
28th Sep 2025224 AMAQI

24°C21/29°C

28th Sep 2025235 AMAQI
28th Sep 2025286 AMAQI
28th Sep 2025237 AMAQI
28th Sep 2025328 AMAQI
28th Sep 2025359 AMAQI
28th Sep 20253810 AMAQI
28th Sep 20254911 AMAQI
28th Sep 20255112 PMAQI
28th Sep 2025471 PMAQI
28th Sep 2025392 PMAQI
28th Sep 2025393 PMAQI
28th Sep 2025394 PMAQI
28th Sep 2025425 PMAQI
28th Sep 2025526 PMAQI
28th Sep 2025537 PMAQI
28th Sep 2025508 PMAQI
28th Sep 2025529 PMAQI
28th Sep 20254510 PMAQI
28th Sep 20254211 PMAQI
29th Sep 20254112 AMAQI
29th Sep 2025401 AMAQI
29th Sep 2025422 AMAQI
29th Sep 2025453 AMAQI
29th Sep 2025314 AMAQI

24°C20/29°C

29th Sep 2025355 AMAQI
29th Sep 2025376 AMAQI
29th Sep 2025337 AMAQI
29th Sep 2025238 AMAQI
29th Sep 2025249 AMAQI
29th Sep 20252810 AMAQI
29th Sep 20252111 AMAQI
29th Sep 20251112 PMAQI
29th Sep 2025291 PMAQI
29th Sep 2025202 PMAQI
29th Sep 2025133 PMAQI
29th Sep 2025234 PMAQI
29th Sep 2025335 PMAQI
29th Sep 2025246 PMAQI
29th Sep 2025187 PMAQI
29th Sep 2025278 PMAQI
29th Sep 2025259 PMAQI
29th Sep 20251910 PMAQI
29th Sep 20252111 PMAQI
30th Sep 20252012 AMAQI
30th Sep 2025121 AMAQI
30th Sep 2025142 AMAQI
30th Sep 2025143 AMAQI
30th Sep 2025144 AMAQI

24°C21/26°C

30th Sep 2025135 AMAQI
30th Sep 2025156 AMAQI
30th Sep 2025167 AMAQI
30th Sep 2025228 AMAQI
30th Sep 2025249 AMAQI
30th Sep 20253510 AMAQI
30th Sep 20252411 AMAQI
30th Sep 20251712 PMAQI
30th Sep 2025161 PMAQI
30th Sep 2025182 PMAQI
30th Sep 2025183 PMAQI
30th Sep 2025294 PMAQI
30th Sep 2025295 PMAQI
30th Sep 2025336 PMAQI
30th Sep 2025287 PMAQI
30th Sep 2025408 PMAQI
30th Sep 2025339 PMAQI
30th Sep 20253310 PMAQI
30th Sep 20253211 PMAQI
1st Oct 20252412 AMAQI
1st Oct 2025261 AMAQI
1st Oct 2025242 AMAQI
1st Oct 2025253 AMAQI
1st Oct 2025244 AMAQI

23°C19/27°C

1st Oct 2025205 AMAQI
1st Oct 2025196 AMAQI
1st Oct 2025187 AMAQI
1st Oct 2025258 AMAQI
1st Oct 2025279 AMAQI
1st Oct 20253910 AMAQI
1st Oct 20253911 AMAQI
1st Oct 20253912 PMAQI
1st Oct 2025381 PMAQI
1st Oct 2025402 PMAQI
1st Oct 2025433 PMAQI
1st Oct 2025424 PMAQI
1st Oct 2025415 PMAQI
1st Oct 2025426 PMAQI
1st Oct 2025427 PMAQI
1st Oct 2025438 PMAQI
1st Oct 2025489 PMAQI
1st Oct 20255610 PMAQI
1st Oct 20255511 PMAQI
2nd Oct 20255412 AMAQI
2nd Oct 2025601 AMAQI
2nd Oct 2025612 AMAQI
2nd Oct 2025633 AMAQI
2nd Oct 2025604 AMAQI

23°C20/27°C

2nd Oct 2025555 AMAQI
2nd Oct 2025516 AMAQI
2nd Oct 2025527 AMAQI
2nd Oct 2025538 AMAQI
2nd Oct 2025569 AMAQI
2nd Oct 20255410 AMAQI
2nd Oct 20255111 AMAQI
2nd Oct 20255412 PMAQI
2nd Oct 2025561 PMAQI
2nd Oct 2025542 PMAQI
2nd Oct 2025533 PMAQI
2nd Oct 2025574 PMAQI
2nd Oct 2025565 PMAQI
2nd Oct 2025576 PMAQI
2nd Oct 2025597 PMAQI
2nd Oct 2025628 PMAQI
2nd Oct 2025659 PMAQI
2nd Oct 20257010 PMAQI
2nd Oct 20256611 PMAQI
3rd Oct 20256512 AMAQI
3rd Oct 2025611 AMAQI
3rd Oct 2025602 AMAQI
3rd Oct 2025593 AMAQI
3rd Oct 2025614 AMAQI

23°C19/27°C

3rd Oct 2025595 AMAQI
3rd Oct 2025556 AMAQI
3rd Oct 2025577 AMAQI
3rd Oct 2025548 AMAQI
3rd Oct 2025569 AMAQI
3rd Oct 20255610 AMAQI
3rd Oct 20256111 AMAQI
3rd Oct 20256412 PMAQI
3rd Oct 2025651 PMAQI
3rd Oct 2025652 PMAQI
3rd Oct 2025633 PMAQI
3rd Oct 2025604 PMAQI
3rd Oct 2025645 PMAQI
3rd Oct 2025676 PMAQI
3rd Oct 2025687 PMAQI
3rd Oct 2025648 PMAQI
3rd Oct 2025799 PMAQI
3rd Oct 20257410 PMAQI
3rd Oct 20257111 PMAQI
4th Oct 20256612 AMAQI
4th Oct 2025661 AMAQI
4th Oct 2025672 AMAQI
4th Oct 2025653 AMAQI
4th Oct 2025614 AMAQI

22°C20/23°C

4th Oct 2025595 AMAQI
4th Oct 2025526 AMAQI
4th Oct 2025467 AMAQI
4th Oct 2025488 AMAQI
4th Oct 2025449 AMAQI
4th Oct 20254010 AMAQI
4th Oct 20253811 AMAQI
4th Oct 20254212 PMAQI
4th Oct 2025441 PMAQI
4th Oct 2025452 PMAQI
4th Oct 2025533 PMAQI
4th Oct 2025524 PMAQI
4th Oct 2025515 PMAQI
4th Oct 2025496 PMAQI
4th Oct 2025457 PMAQI
4th Oct 2025398 PMAQI
4th Oct 2025439 PMAQI
4th Oct 20254810 PMAQI
4th Oct 20255811 PMAQI
5th Oct 20255712 AMAQI
5th Oct 2025511 AMAQI
5th Oct 2025512 AMAQI
5th Oct 2025563 AMAQI
5th Oct 2025544 AMAQI

22°C20/25°C

5th Oct 2025485 AMAQI
5th Oct 2025506 AMAQI
5th Oct 2025467 AMAQI
5th Oct 2025428 AMAQI
5th Oct 2025519 AMAQI
5th Oct 20254910 AMAQI
5th Oct 20255411 AMAQI
5th Oct 20255012 PMAQI
5th Oct 2025481 PMAQI
5th Oct 2025482 PMAQI
5th Oct 2025503 PMAQI
5th Oct 2025384 PMAQI
5th Oct 2025265 PMAQI
5th Oct 2025486 PMAQI
5th Oct 2025457 PMAQI
5th Oct 2025448 PMAQI
5th Oct 2025449 PMAQI
5th Oct 20253910 PMAQI
5th Oct 20254511 PMAQI
6th Oct 20255412 AMAQI
6th Oct 2025501 AMAQI
6th Oct 2025522 AMAQI
6th Oct 2025463 AMAQI
6th Oct 2025494 AMAQI

24°C22/28°C

6th Oct 2025445 AMAQI
6th Oct 2025436 AMAQI
6th Oct 2025397 AMAQI
6th Oct 2025448 AMAQI
6th Oct 2025469 AMAQI
6th Oct 20254610 AMAQI
6th Oct 20254611 AMAQI
6th Oct 20255412 PMAQI
6th Oct 2025541 PMAQI
6th Oct 2025562 PMAQI
6th Oct 2025553 PMAQI
6th Oct 2025544 PMAQI
6th Oct 2025525 PMAQI
6th Oct 2025586 PMAQI
6th Oct 2025607 PMAQI
6th Oct 2025608 PMAQI
6th Oct 2025599 PMAQI
6th Oct 20256410 PMAQI
6th Oct 20256711 PMAQI
7th Oct 20256812 AMAQI
7th Oct 2025621 AMAQI
7th Oct 2025512 AMAQI

23°C20/27°C

7th Oct 2025488 PMAQI
7th Oct 2025399 PMAQI
7th Oct 20256810 PMAQI
7th Oct 20256111 PMAQI
8th Oct 20255412 AMAQI
8th Oct 2025441 AMAQI
8th Oct 2025472 AMAQI
8th Oct 2025513 AMAQI
8th Oct 2025504 AMAQI

24°C20/28°C

8th Oct 2025405 AMAQI
8th Oct 2025386 AMAQI
8th Oct 2025397 AMAQI
8th Oct 2025448 AMAQI
8th Oct 2025479 AMAQI
8th Oct 20254710 AMAQI
8th Oct 20254311 AMAQI
8th Oct 20255512 PMAQI
8th Oct 2025541 PMAQI
8th Oct 2025572 PMAQI
8th Oct 2025543 PMAQI
8th Oct 2025464 PMAQI
8th Oct 2025475 PMAQI
8th Oct 2025556 PMAQI
8th Oct 2025567 PMAQI
8th Oct 2025588 PMAQI
8th Oct 2025639 PMAQI
8th Oct 20256010 PMAQI
8th Oct 20255611 PMAQI
9th Oct 20255512 AMAQI
9th Oct 2025551 AMAQI
9th Oct 2025482 AMAQI
9th Oct 2025493 AMAQI
9th Oct 2025504 AMAQI

25°C21/30°C

9th Oct 2025545 AMAQI
9th Oct 2025516 AMAQI
9th Oct 2025477 AMAQI
9th Oct 2025528 AMAQI
9th Oct 2025519 AMAQI
9th Oct 20254610 AMAQI
9th Oct 20255211 AMAQI
9th Oct 20255212 PMAQI
9th Oct 2025551 PMAQI
9th Oct 2025562 PMAQI
9th Oct 2025493 PMAQI
9th Oct 2025504 PMAQI
9th Oct 2025445 PMAQI
9th Oct 2025486 PMAQI
9th Oct 2025507 PMAQI
9th Oct 2025508 PMAQI
9th Oct 2025569 PMAQI
9th Oct 20255910 PMAQI
9th Oct 20256511 PMAQI
10th Oct 20256412 AMAQI
10th Oct 2025571 AMAQI
10th Oct 2025562 AMAQI
10th Oct 2025503 AMAQI
10th Oct 2025414 AMAQI

23°C20/26°C

10th Oct 2025445 AMAQI
10th Oct 2025516 AMAQI
10th Oct 2025467 AMAQI
10th Oct 2025428 AMAQI
10th Oct 2025539 AMAQI
10th Oct 20255610 AMAQI
10th Oct 20255911 AMAQI
10th Oct 20255812 PMAQI
10th Oct 2025611 PMAQI
10th Oct 2025582 PMAQI
10th Oct 2025563 PMAQI
10th Oct 2025584 PMAQI
10th Oct 2025605 PMAQI
10th Oct 2025656 PMAQI
10th Oct 2025627 PMAQI
10th Oct 2025568 PMAQI
10th Oct 2025609 PMAQI
10th Oct 20255410 PMAQI
10th Oct 20255511 PMAQI
11th Oct 20255512 AMAQI
11th Oct 2025541 AMAQI
11th Oct 2025552 AMAQI
11th Oct 2025493 AMAQI
11th Oct 2025534 AMAQI

21°C19/23°C

11th Oct 2025525 AMAQI
11th Oct 2025456 AMAQI
11th Oct 2025447 AMAQI
11th Oct 2025458 AMAQI
11th Oct 2025479 AMAQI
11th Oct 20254710 AMAQI
11th Oct 20255111 AMAQI
11th Oct 20254712 PMAQI
11th Oct 2025531 PMAQI
11th Oct 2025512 PMAQI
11th Oct 2025513 PMAQI
11th Oct 2025484 PMAQI
11th Oct 2025505 PMAQI
11th Oct 2025436 PMAQI
11th Oct 2025517 PMAQI
11th Oct 2025558 PMAQI
11th Oct 2025549 PMAQI
11th Oct 20255510 PMAQI
11th Oct 20255411 PMAQI
12th Oct 20255512 AMAQI
12th Oct 2025561 AMAQI
12th Oct 2025552 AMAQI
12th Oct 2025573 AMAQI
12th Oct 2025554 AMAQI

24°C21/28°C

12th Oct 2025505 AMAQI
12th Oct 2025466 AMAQI
12th Oct 2025417 AMAQI
12th Oct 2025488 AMAQI
12th Oct 2025459 AMAQI
12th Oct 20255310 AMAQI
12th Oct 20255211 AMAQI
12th Oct 20255612 PMAQI
12th Oct 2025561 PMAQI
12th Oct 2025542 PMAQI
12th Oct 2025553 PMAQI
12th Oct 2025534 PMAQI
12th Oct 2025485 PMAQI
12th Oct 2025496 PMAQI
12th Oct 2025387 PMAQI
12th Oct 2025388 PMAQI
12th Oct 2025409 PMAQI
12th Oct 20254910 PMAQI
12th Oct 20255411 PMAQI
13th Oct 20255412 AMAQI
13th Oct 2025551 AMAQI
13th Oct 2025522 AMAQI
13th Oct 2025513 AMAQI
13th Oct 2025504 AMAQI

24°C22/27°C

13th Oct 2025535 AMAQI
13th Oct 2025516 AMAQI
13th Oct 2025537 AMAQI
13th Oct 2025518 AMAQI
13th Oct 2025569 AMAQI
13th Oct 20255510 AMAQI
13th Oct 20255211 AMAQI
13th Oct 20255012 PMAQI
13th Oct 2025391 PMAQI
13th Oct 2025442 PMAQI
13th Oct 2025473 PMAQI
13th Oct 2025444 PMAQI
13th Oct 2025375 PMAQI
13th Oct 2025476 PMAQI
13th Oct 2025477 PMAQI
13th Oct 2025538 PMAQI
13th Oct 2025549 PMAQI
13th Oct 20256010 PMAQI
13th Oct 20255911 PMAQI
14th Oct 20255812 AMAQI
14th Oct 2025511 AMAQI
14th Oct 2025432 AMAQI
14th Oct 2025453 AMAQI
14th Oct 2025444 AMAQI

23°C21/26°C

14th Oct 2025435 AMAQI
14th Oct 2025496 AMAQI
14th Oct 2025507 AMAQI
14th Oct 2025478 AMAQI
14th Oct 2025439 AMAQI
14th Oct 20254410 AMAQI
14th Oct 20254711 AMAQI
14th Oct 20255512 PMAQI
14th Oct 2025551 PMAQI
14th Oct 2025552 PMAQI
14th Oct 2025613 PMAQI
14th Oct 2025634 PMAQI
14th Oct 2025675 PMAQI
14th Oct 2025656 PMAQI
14th Oct 2025657 PMAQI
14th Oct 2025598 PMAQI
14th Oct 2025649 PMAQI
14th Oct 20257210 PMAQI
14th Oct 20256811 PMAQI
15th Oct 20256012 AMAQI
15th Oct 2025611 AMAQI
15th Oct 2025592 AMAQI
15th Oct 2025593 AMAQI
15th Oct 2025584 AMAQI

24°C20/29°C

15th Oct 2025615 AMAQI
15th Oct 2025566 AMAQI
15th Oct 2025447 AMAQI
15th Oct 2025448 AMAQI
15th Oct 2025389 AMAQI
15th Oct 20253310 AMAQI
15th Oct 20253711 AMAQI
15th Oct 20254312 PMAQI
15th Oct 2025461 PMAQI
15th Oct 2025402 PMAQI
15th Oct 2025413 PMAQI
15th Oct 2025424 PMAQI
15th Oct 2025385 PMAQI
15th Oct 2025486 PMAQI
15th Oct 2025567 PMAQI
15th Oct 2025568 PMAQI
15th Oct 2025569 PMAQI
15th Oct 20255710 PMAQI
15th Oct 20255911 PMAQI
16th Oct 20255712 AMAQI
16th Oct 2025521 AMAQI
16th Oct 2025462 AMAQI
16th Oct 2025503 AMAQI
16th Oct 2025444 AMAQI

23°C21/27°C

16th Oct 2025505 AMAQI
16th Oct 2025486 AMAQI
16th Oct 2025437 AMAQI
16th Oct 2025408 AMAQI
16th Oct 2025459 AMAQI
16th Oct 20254010 AMAQI
16th Oct 20254411 AMAQI
16th Oct 20254712 PMAQI
16th Oct 2025451 PMAQI
16th Oct 2025562 PMAQI
16th Oct 2025543 PMAQI
16th Oct 2025564 PMAQI
16th Oct 2025535 PMAQI
16th Oct 2025486 PMAQI
16th Oct 2025547 PMAQI
16th Oct 2025578 PMAQI
16th Oct 2025629 PMAQI
16th Oct 20256410 PMAQI
16th Oct 20256311 PMAQI
17th Oct 20256412 AMAQI
17th Oct 2025631 AMAQI
17th Oct 2025642 AMAQI
17th Oct 2025543 AMAQI
17th Oct 2025464 AMAQI

24°C21/28°C

17th Oct 2025395 AMAQI
17th Oct 2025476 AMAQI
17th Oct 2025437 AMAQI
17th Oct 2025518 AMAQI
17th Oct 2025399 AMAQI
17th Oct 20254210 AMAQI
17th Oct 20254611 AMAQI
17th Oct 20255612 PMAQI
17th Oct 2025591 PMAQI
17th Oct 2025562 PMAQI
17th Oct 2025563 PMAQI
17th Oct 2025594 PMAQI
17th Oct 2025595 PMAQI
17th Oct 2025626 PMAQI
17th Oct 2025597 PMAQI
17th Oct 2025608 PMAQI
17th Oct 2025609 PMAQI
17th Oct 20256410 PMAQI
17th Oct 20256411 PMAQI
18th Oct 20256112 AMAQI
18th Oct 2025611 AMAQI
18th Oct 2025572 AMAQI
18th Oct 2025563 AMAQI
18th Oct 2025504 AMAQI

22°C19/27°C

18th Oct 2025485 AMAQI
18th Oct 2025466 AMAQI
18th Oct 2025457 AMAQI
18th Oct 2025508 AMAQI
18th Oct 2025539 AMAQI
18th Oct 20255610 AMAQI
18th Oct 20255611 AMAQI
18th Oct 20255612 PMAQI
18th Oct 2025581 PMAQI
18th Oct 2025552 PMAQI
18th Oct 2025533 PMAQI
18th Oct 2025534 PMAQI
18th Oct 2025525 PMAQI
18th Oct 2025496 PMAQI
18th Oct 2025557 PMAQI
18th Oct 2025588 PMAQI
18th Oct 2025599 PMAQI
18th Oct 20256110 PMAQI
18th Oct 20256311 PMAQI
19th Oct 20255712 AMAQI
19th Oct 2025611 AMAQI
19th Oct 2025512 AMAQI
19th Oct 2025523 AMAQI
19th Oct 2025424 AMAQI

23°C19/28°C

19th Oct 2025415 AMAQI
5 AM
19th Oct 2025486 AMAQI
19th Oct 2025447 AMAQI
19th Oct 2025408 AMAQI
19th Oct 2025339 AMAQI
19th Oct 20254610 AMAQI
19th Oct 20252111 AMAQI
11 AM
19th Oct 20253612 PMAQI
19th Oct 2025401 PMAQI
19th Oct 2025362 PMAQI
19th Oct 2025413 PMAQI
19th Oct 2025324 PMAQI
19th Oct 2025505 PMAQI
5 PM
11 PM
4 AM

--°C/°C

Day time
Avg. Highest Time
12 PM - 5 PM

43AQI

6 hours / Day
180 hours / Month
Avg. Lowest Time
7 AM - 11 AM

40AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 5 PM (Avg. 43), while the lowest AQI was between 7 AM to 11 AM (Avg. 40).
Night time
Avg. Highest Time
9 PM - 11 PM

50AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
4 AM

42AQI

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. 50), while the lowest AQI was between 4 AM to 4 AM (Avg. 42).

2025 Days Vs Air Quality

Nishinoyamacho, Sayama, Osaka, Japan

2025

71%

206

29%

84

0.3%

1

Total number of days with different AQI categories in last 292 days in 2025 (73 days remaining)

Good
206 Days
Moderate
84 Days
Poor
1 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days



Under WHO’s Safe Air Quality Limits: 71%

Health Risk Level:

Low

In 2025, 71% 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

Nishinoyamacho, 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
29AQI
2nd January 2025
34AQI
3rd January 2025
32AQI
4th January 2025
31AQI
5th January 2025
32AQI
6th January 2025
30AQI
7th January 2025
31AQI
8th January 2025
30AQI
9th January 2025
29AQI
10th January 2025
25AQI
11th January 2025
26AQI
12th January 2025
31AQI
13th January 2025
35AQI
14th January 2025
44AQI
15th January 2025
40AQI
16th January 2025
37AQI
17th January 2025
32AQI
18th January 2025
33AQI
19th January 2025
34AQI
20th January 2025
36AQI
21st January 2025
40AQI
22nd January 2025
47AQI
23rd January 2025
62AQI
24th January 2025
65AQI
25th January 2025
44AQI
26th January 2025
39AQI
27th January 2025
41AQI
28th January 2025
35AQI
29th January 2025
34AQI
30th January 2025
39AQI
31st January 2025
67AQI
1st February 2025
61AQI
2nd February 2025
43AQI
3rd February 2025
44AQI
4th February 2025
40AQI
5th February 2025
39AQI
6th February 2025
32AQI
7th February 2025
34AQI
8th February 2025
31AQI
9th February 2025
29AQI
10th February 2025
32AQI
11th February 2025
31AQI
12th February 2025
40AQI
13th February 2025
31AQI
14th February 2025
39AQI
15th February 2025
29AQI
16th February 2025
42AQI
17th February 2025
37AQI
18th February 2025
35AQI
19th February 2025
29AQI
20th February 2025
30AQI
21st February 2025
30AQI
22nd February 2025
36AQI
23rd February 2025
35AQI
24th February 2025
34AQI
25th February 2025
36AQI
26th February 2025
36AQI
27th February 2025
56AQI
28th February 2025
57AQI
1st March 2025
64AQI
2nd March 2025
79AQI
3rd March 2025
46AQI
4th March 2025
41AQI
5th March 2025
31AQI
6th March 2025
38AQI
7th March 2025
34AQI
8th March 2025
38AQI
9th March 2025
37AQI
10th March 2025
42AQI
11th March 2025
32AQI
12th March 2025
35AQI
13th March 2025
48AQI
14th March 2025
40AQI
15th March 2025
34AQI
16th March 2025
24AQI
17th March 2025
37AQI
18th March 2025
29AQI
19th March 2025
28AQI
20th March 2025
38AQI
21st March 2025
51AQI
22nd March 2025
55AQI
23rd March 2025
61AQI
24th March 2025
65AQI
25th March 2025
69AQI
26th March 2025
74AQI
27th March 2025
54AQI
28th March 2025
46AQI
29th March 2025
43AQI
30th March 2025
38AQI
31st March 2025
35AQI
1st April 2025
35AQI
2nd April 2025
38AQI
3rd April 2025
27AQI
4th April 2025
29AQI
5th April 2025
40AQI
6th April 2025
41AQI
7th April 2025
45AQI
8th April 2025
44AQI
9th April 2025
49AQI
10th April 2025
53AQI
11th April 2025
53AQI
12th April 2025
55AQI
13th April 2025
35AQI
14th April 2025
48AQI
15th April 2025
26AQI
16th April 2025
43AQI
17th April 2025
49AQI
18th April 2025
56AQI
19th April 2025
59AQI
20th April 2025
49AQI
21st April 2025
44AQI
22nd April 2025
48AQI
23rd April 2025
35AQI
24th April 2025
36AQI
25th April 2025
59AQI
26th April 2025
53AQI
27th April 2025
57AQI
28th April 2025
45AQI
29th April 2025
53AQI
30th April 2025
60AQI
1st May 2025
56AQI
2nd May 2025
41AQI
3rd May 2025
48AQI
4th May 2025
39AQI
5th May 2025
43AQI
6th May 2025
28AQI
7th May 2025
34AQI
8th May 2025
32AQI
9th May 2025
36AQI
10th May 2025
32AQI
11th May 2025
33AQI
12th May 2025
50AQI
13th May 2025
53AQI
14th May 2025
57AQI
15th May 2025
55AQI
16th May 2025
53AQI
17th May 2025
46AQI
18th May 2025
56AQI
19th May 2025
55AQI
20th May 2025
66AQI
21st May 2025
46AQI
22nd May 2025
40AQI
23rd May 2025
53AQI
24th May 2025
36AQI
25th May 2025
32AQI
26th May 2025
34AQI
27th May 2025
32AQI
28th May 2025
32AQI
29th May 2025
43AQI
30th May 2025
36AQI
31st May 2025
41AQI
1st June 2025
44AQI
2nd June 2025
50AQI
3rd June 2025
31AQI
4th June 2025
44AQI
5th June 2025
44AQI
6th June 2025
49AQI
7th June 2025
53AQI
8th June 2025
64AQI
9th June 2025
48AQI
10th June 2025
37AQI
11th June 2025
40AQI
12th June 2025
53AQI
13th June 2025
55AQI
14th June 2025
38AQI
15th June 2025
32AQI
16th June 2025
43AQI
17th June 2025
39AQI
18th June 2025
49AQI
19th June 2025
50AQI
20th June 2025
58AQI
21st June 2025
54AQI
22nd June 2025
52AQI
23rd June 2025
44AQI
24th June 2025
38AQI
25th June 2025
39AQI
26th June 2025
40AQI
27th June 2025
51AQI
28th June 2025
51AQI
29th June 2025
53AQI
30th June 2025
57AQI
1st July 2025
60AQI
2nd July 2025
77AQI
3rd July 2025
81AQI
4th July 2025
102AQI
5th July 2025
86AQI
6th July 2025
72AQI
7th July 2025
70AQI
8th July 2025
72AQI
9th July 2025
77AQI
10th July 2025
62AQI
11th July 2025
52AQI
12th July 2025
52AQI
13th July 2025
48AQI
14th July 2025
39AQI
15th July 2025
48AQI
16th July 2025
52AQI
17th July 2025
37AQI
18th July 2025
38AQI
19th July 2025
36AQI
20th July 2025
36AQI
21st July 2025
33AQI
22nd July 2025
37AQI
23rd July 2025
40AQI
24th July 2025
37AQI
25th July 2025
33AQI
26th July 2025
33AQI
27th July 2025
28AQI
28th July 2025
35AQI
29th July 2025
42AQI
30th July 2025
45AQI
31st July 2025
44AQI
1st August 2025
46AQI
2nd August 2025
45AQI
3rd August 2025
49AQI
4th August 2025
60AQI
5th August 2025
50AQI
6th August 2025
52AQI
7th August 2025
45AQI
8th August 2025
50AQI
9th August 2025
51AQI
10th August 2025
46AQI
11th August 2025
39AQI
12th August 2025
35AQI
13th August 2025
39AQI
14th August 2025
47AQI
15th August 2025
48AQI
16th August 2025
47AQI
17th August 2025
43AQI
18th August 2025
45AQI
19th August 2025
43AQI
20th August 2025
45AQI
21st August 2025
40AQI
22nd August 2025
38AQI
23rd August 2025
49AQI
24th August 2025
53AQI
25th August 2025
55AQI
26th August 2025
57AQI
27th August 2025
55AQI
28th August 2025
54AQI
29th August 2025
55AQI
30th August 2025
55AQI
31st August 2025
55AQI
1st September 2025
39AQI
2nd September 2025
33AQI
3rd September 2025
37AQI
4th September 2025
26AQI
5th September 2025
22AQI
6th September 2025
27AQI
7th September 2025
32AQI
8th September 2025
35AQI
9th September 2025
37AQI
10th September 2025
34AQI
11th September 2025
29AQI
12th September 2025
30AQI
13th September 2025
28AQI
14th September 2025
39AQI
15th September 2025
33AQI
16th September 2025
45AQI
17th September 2025
50AQI
18th September 2025
34AQI
19th September 2025
35AQI
20th September 2025
43AQI
21st September 2025
28AQI
22nd September 2025
31AQI
23rd September 2025
36AQI
24th September 2025
29AQI
25th September 2025
32AQI
26th September 2025
32AQI
27th September 2025
30AQI
28th September 2025
33AQI
29th September 2025
30AQI
30th September 2025
23AQI
1st October 2025
34AQI
2nd October 2025
58AQI
3rd October 2025
64AQI
4th October 2025
54AQI
5th October 2025
51AQI
6th October 2025
54AQI
7th October 2025
57AQI
8th October 2025
52AQI
9th October 2025
52AQI
10th October 2025
57AQI
11th October 2025
51AQI
12th October 2025
50AQI
13th October 2025
51AQI
14th October 2025
56AQI
15th October 2025
53AQI
16th October 2025
53AQI
17th October 2025
57AQI
18th October 2025
56AQI
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

38AQI

37AQI

45AQI

45AQI

43AQI

47AQI

52AQI

48AQI

33AQI

53AQI


No. of days

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

202544AQI

28
3
25
3
22
9
20
10
22
9
19
11
18
12
1
20
11
30
2
16
206
84
1

Highest AQI recorded in

October

53AQI


Lowest AQI recorded in

September

33AQI


202437AQI

30
1
27
2
26
5
21
8
1
25
6
23
7
29
2
22
9
26
4
29
2
27
3
31
316
49
1

Highest AQI recorded in

April

46AQI


Lowest AQI recorded in

December

30AQI


202339AQI

27
4
25
3
25
6
19
11
27
4
18
12
22
9
29
2
27
3
27
4
25
4
25
6
296
68

Highest AQI recorded in

April

47AQI


Lowest AQI recorded in

August

29AQI


202237AQI

17
2
18
3
24
7
15
2
16
15
25
5
15
6
1
27
1
29
2
27
3
31
245
46

Highest AQI recorded in

May

47AQI


Lowest AQI recorded in

August

20AQI


202136AQI

29
2
23
5
23
7
1
27
3
28
3
21
9
27
4
26
5
26
4
29
2
25
5
30
1
314
50
1

Highest AQI recorded in

June

45AQI


Lowest AQI recorded in

January

30AQI


202036AQI

12
1
18
3
16
2
22
8
29
2
15
15
1
18
1
31
26
4
28
3
215
39
1

Highest AQI recorded in

August

53AQI


Lowest AQI recorded in

July

27AQI


Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
44AQI
Least Polluted Year Recorded
2020(Avg.)
36AQI


Nishinoyamacho's annual 2025 AQI (44) shows an average percentage change of 18.3% (worsened AQI) compared to previous years: 2020 (36), 2021 (36), 2022 (37), 2023 (39), 2024 (37).