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+
August Air Quality Analysis
Sayama, Osaka, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2021
69AQILowest AQI recorded on
29th Aug 2024
13AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 40 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Sayama, Osaka, Japan
AQI
Day
Night
.
4 AM2nd Aug 2025
7 PM
3 AM3rd Aug 2025
Day time
Avg. Highest Time
3PM2nd Aug
57AQI
Avg. Lowest Time
8AM2nd Aug
38AQI
Night time
Avg. Highest Time
7PM2nd Aug
52AQI
Avg. Lowest Time
2AM3rd Aug
37AQI
In the last 24 hours,
Sayama's AQI reached its highest point of 57 at 3 PM during the Day, while the lowest point, 37, was recorded at 2 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Sayama, Osaka, Japan
JulAug
04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd
Day
Night
4th Jul 2025694 AMAQI
4th Jul 2025705 AMAQI
4th Jul 2025706 AMAQI
4th Jul 2025707 AMAQI
4th Jul 2025708 AMAQI
4th Jul 2025699 AMAQI
4th Jul 20257710 AMAQI
4th Jul 20258311 AMAQI
4th Jul 20258312 PMAQI
4th Jul 2025841 PMAQI
4th Jul 2025992 PMAQI
4th Jul 20251003 PMAQI
4th Jul 20251144 PMAQI
4th Jul 20251245 PMAQI
4th Jul 20251326 PMAQI
4th Jul 20251387 PMAQI
4th Jul 20251298 PMAQI
4th Jul 2025849 PMAQI
4th Jul 20257910 PMAQI
4th Jul 20258211 PMAQI
5th Jul 20257912 AMAQI
5th Jul 2025691 AMAQI
5th Jul 2025682 AMAQI
5th Jul 2025683 AMAQI
29°C25/32°C
5th Jul 2025684 AMAQI
5th Jul 2025705 AMAQI
5th Jul 2025716 AMAQI
5th Jul 2025717 AMAQI
5th Jul 2025718 AMAQI
5th Jul 20251049 AMAQI
5th Jul 202511010 AMAQI
5th Jul 202511211 AMAQI
5th Jul 202510712 PMAQI
5th Jul 2025881 PMAQI
5th Jul 2025842 PMAQI
5th Jul 2025823 PMAQI
5th Jul 2025774 PMAQI
5th Jul 2025725 PMAQI
5th Jul 2025766 PMAQI
5th Jul 2025777 PMAQI
5th Jul 2025778 PMAQI
5th Jul 2025749 PMAQI
5th Jul 20257410 PMAQI
5th Jul 20257511 PMAQI
6th Jul 20257412 AMAQI
6th Jul 2025731 AMAQI
6th Jul 2025712 AMAQI
6th Jul 2025713 AMAQI
29°C26/33°C
6th Jul 2025724 AMAQI
6th Jul 2025755 AMAQI
6th Jul 2025756 AMAQI
6th Jul 2025747 AMAQI
6th Jul 2025748 AMAQI
6th Jul 2025779 AMAQI
6th Jul 20257810 AMAQI
6th Jul 20257211 AMAQI
6th Jul 20257112 PMAQI
6th Jul 2025661 PMAQI
6th Jul 2025612 PMAQI
6th Jul 2025583 PMAQI
6th Jul 2025594 PMAQI
6th Jul 2025615 PMAQI
6th Jul 2025646 PMAQI
6th Jul 2025677 PMAQI
6th Jul 2025708 PMAQI
6th Jul 2025709 PMAQI
6th Jul 20257010 PMAQI
6th Jul 20257011 PMAQI
7th Jul 20257012 AMAQI
7th Jul 2025731 AMAQI
7th Jul 2025742 AMAQI
7th Jul 2025733 AMAQI
30°C26/33°C
7th Jul 2025744 AMAQI
7th Jul 2025735 AMAQI
7th Jul 2025736 AMAQI
7th Jul 2025747 AMAQI
7th Jul 2025728 AMAQI
7th Jul 2025659 AMAQI
7th Jul 20256310 AMAQI
7th Jul 20256211 AMAQI
7th Jul 20256312 PMAQI
7th Jul 2025651 PMAQI
7th Jul 2025642 PMAQI
7th Jul 2025663 PMAQI
7th Jul 2025684 PMAQI
7th Jul 2025685 PMAQI
7th Jul 2025696 PMAQI
7th Jul 2025707 PMAQI
7th Jul 2025728 PMAQI
7th Jul 2025739 PMAQI
7th Jul 20257210 PMAQI
7th Jul 20257211 PMAQI
8th Jul 20257212 AMAQI
8th Jul 2025741 AMAQI
8th Jul 2025732 AMAQI
8th Jul 2025733 AMAQI
31°C26/36°C
8th Jul 2025724 AMAQI
8th Jul 2025715 AMAQI
8th Jul 2025706 AMAQI
8th Jul 2025717 AMAQI
8th Jul 2025708 AMAQI
8th Jul 2025739 AMAQI
8th Jul 20257510 AMAQI
8th Jul 20257511 AMAQI
8th Jul 20257612 PMAQI
8th Jul 2025781 PMAQI
8th Jul 2025772 PMAQI
8th Jul 2025713 PMAQI
8th Jul 2025614 PMAQI
8th Jul 2025625 PMAQI
8th Jul 2025676 PMAQI
8th Jul 2025767 PMAQI
8th Jul 2025808 PMAQI
8th Jul 2025769 PMAQI
8th Jul 20257710 PMAQI
8th Jul 20257711 PMAQI
9th Jul 20257712 AMAQI
9th Jul 2025741 AMAQI
9th Jul 2025722 AMAQI
9th Jul 2025723 AMAQI
30°C27/36°C
9th Jul 2025724 AMAQI
9th Jul 2025735 AMAQI
9th Jul 2025736 AMAQI
9th Jul 2025737 AMAQI
9th Jul 2025728 AMAQI
9th Jul 2025819 AMAQI
9th Jul 20258410 AMAQI
9th Jul 20258911 AMAQI
9th Jul 20259312 PMAQI
9th Jul 2025921 PMAQI
9th Jul 2025942 PMAQI
9th Jul 2025953 PMAQI
9th Jul 2025954 PMAQI
9th Jul 2025955 PMAQI
9th Jul 2025736 PMAQI
9th Jul 2025737 PMAQI
9th Jul 2025758 PMAQI
9th Jul 2025779 PMAQI
9th Jul 20257710 PMAQI
9th Jul 20257611 PMAQI
10th Jul 20257412 AMAQI
10th Jul 2025741 AMAQI
10th Jul 2025732 AMAQI
10th Jul 2025743 AMAQI
29°C25/34°C
10th Jul 2025744 AMAQI
10th Jul 2025765 AMAQI
10th Jul 2025766 AMAQI
10th Jul 2025767 AMAQI
10th Jul 2025768 AMAQI
10th Jul 2025759 AMAQI
10th Jul 20256510 AMAQI
10th Jul 20255911 AMAQI
10th Jul 20255512 PMAQI
10th Jul 2025561 PMAQI
10th Jul 2025512 PMAQI
10th Jul 2025493 PMAQI
10th Jul 2025504 PMAQI
10th Jul 2025525 PMAQI
10th Jul 2025486 PMAQI
10th Jul 2025447 PMAQI
10th Jul 2025518 PMAQI
10th Jul 2025669 PMAQI
10th Jul 20256610 PMAQI
10th Jul 20256611 PMAQI
11th Jul 20256712 AMAQI
11th Jul 2025731 AMAQI
11th Jul 2025742 AMAQI
11th Jul 2025743 AMAQI
30°C26/36°C
11th Jul 2025744 AMAQI
11th Jul 2025725 AMAQI
11th Jul 2025726 AMAQI
11th Jul 2025727 AMAQI
11th Jul 2025728 AMAQI
11th Jul 2025359 AMAQI
11th Jul 20252410 AMAQI
11th Jul 20252511 AMAQI
11th Jul 20252912 PMAQI
11th Jul 2025431 PMAQI
11th Jul 2025432 PMAQI
11th Jul 2025433 PMAQI
11th Jul 2025444 PMAQI
11th Jul 2025465 PMAQI
11th Jul 2025466 PMAQI
11th Jul 2025467 PMAQI
11th Jul 2025518 PMAQI
11th Jul 2025639 PMAQI
11th Jul 20256310 PMAQI
11th Jul 20256311 PMAQI
12th Jul 20256312 AMAQI
12th Jul 2025661 AMAQI
12th Jul 2025712 AMAQI
12th Jul 2025713 AMAQI
30°C26/35°C
12th Jul 2025694 AMAQI
12th Jul 2025675 AMAQI
12th Jul 2025676 AMAQI
12th Jul 2025677 AMAQI
12th Jul 2025678 AMAQI
12th Jul 2025389 AMAQI
12th Jul 20253110 AMAQI
12th Jul 20253311 AMAQI
12th Jul 20253512 PMAQI
12th Jul 2025441 PMAQI
12th Jul 2025482 PMAQI
12th Jul 2025533 PMAQI
12th Jul 2025554 PMAQI
12th Jul 2025545 PMAQI
12th Jul 2025496 PMAQI
12th Jul 2025467 PMAQI
12th Jul 2025498 PMAQI
12th Jul 2025609 PMAQI
12th Jul 20256010 PMAQI
12th Jul 20256011 PMAQI
13th Jul 20256012 AMAQI
13th Jul 2025651 AMAQI
13th Jul 2025662 AMAQI
13th Jul 2025663 AMAQI
29°C25/35°C
13th Jul 2025664 AMAQI
13th Jul 2025635 AMAQI
13th Jul 2025636 AMAQI
13th Jul 2025637 AMAQI
13th Jul 2025638 AMAQI
13th Jul 2025479 AMAQI
13th Jul 20253210 AMAQI
13th Jul 20253211 AMAQI
13th Jul 20253212 PMAQI
13th Jul 2025441 PMAQI
13th Jul 2025452 PMAQI
13th Jul 2025473 PMAQI
13th Jul 2025484 PMAQI
13th Jul 2025475 PMAQI
13th Jul 2025446 PMAQI
13th Jul 2025447 PMAQI
13th Jul 2025488 PMAQI
13th Jul 2025579 PMAQI
13th Jul 20255710 PMAQI
13th Jul 20255611 PMAQI
14th Jul 20255812 AMAQI
14th Jul 2025611 AMAQI
14th Jul 2025632 AMAQI
14th Jul 2025633 AMAQI
28°C25/34°C
14th Jul 2025624 AMAQI
14th Jul 2025605 AMAQI
14th Jul 2025606 AMAQI
14th Jul 2025607 AMAQI
14th Jul 2025608 AMAQI
14th Jul 2025299 AMAQI
14th Jul 20252010 AMAQI
14th Jul 20252011 AMAQI
14th Jul 20252012 PMAQI
14th Jul 2025311 PMAQI
14th Jul 2025312 PMAQI
14th Jul 2025303 PMAQI
14th Jul 2025294 PMAQI
14th Jul 2025295 PMAQI
14th Jul 2025296 PMAQI
14th Jul 2025287 PMAQI
14th Jul 2025358 PMAQI
14th Jul 2025539 PMAQI
14th Jul 20255310 PMAQI
14th Jul 20255211 PMAQI
15th Jul 20255312 AMAQI
15th Jul 2025571 AMAQI
15th Jul 2025592 AMAQI
15th Jul 2025603 AMAQI
27°C24/34°C
15th Jul 2025594 AMAQI
15th Jul 2025575 AMAQI
15th Jul 2025576 AMAQI
15th Jul 2025577 AMAQI
15th Jul 2025578 AMAQI
15th Jul 2025309 AMAQI
15th Jul 20252110 AMAQI
15th Jul 20252811 AMAQI
15th Jul 20253412 PMAQI
15th Jul 2025411 PMAQI
15th Jul 2025392 PMAQI
15th Jul 2025393 PMAQI
15th Jul 2025404 PMAQI
15th Jul 2025395 PMAQI
15th Jul 2025456 PMAQI
15th Jul 2025487 PMAQI
15th Jul 2025568 PMAQI
15th Jul 2025599 PMAQI
15th Jul 20255910 PMAQI
15th Jul 20255811 PMAQI
16th Jul 20255812 AMAQI
16th Jul 2025561 AMAQI
16th Jul 2025562 AMAQI
16th Jul 2025563 AMAQI
29°C24/34°C
16th Jul 2025564 AMAQI
16th Jul 2025545 AMAQI
16th Jul 2025546 AMAQI
16th Jul 2025547 AMAQI
16th Jul 2025548 AMAQI
16th Jul 2025559 AMAQI
16th Jul 20256010 AMAQI
16th Jul 20255011 AMAQI
16th Jul 20255012 PMAQI
16th Jul 2025501 PMAQI
16th Jul 2025512 PMAQI
16th Jul 2025533 PMAQI
16th Jul 2025534 PMAQI
16th Jul 2025475 PMAQI
16th Jul 2025486 PMAQI
16th Jul 2025507 PMAQI
16th Jul 2025518 PMAQI
16th Jul 2025549 PMAQI
16th Jul 20255310 PMAQI
16th Jul 20255311 PMAQI
17th Jul 20255312 AMAQI
17th Jul 2025551 AMAQI
17th Jul 2025562 AMAQI
17th Jul 2025563 AMAQI
29°C25/34°C
17th Jul 2025564 AMAQI
17th Jul 2025555 AMAQI
17th Jul 2025556 AMAQI
17th Jul 2025557 AMAQI
17th Jul 2025558 AMAQI
17th Jul 2025269 AMAQI
17th Jul 20251910 AMAQI
17th Jul 20253111 AMAQI
17th Jul 20252012 PMAQI
17th Jul 2025291 PMAQI
17th Jul 2025292 PMAQI
17th Jul 2025273 PMAQI
17th Jul 2025264 PMAQI
17th Jul 2025265 PMAQI
17th Jul 2025266 PMAQI
17th Jul 2025267 PMAQI
17th Jul 2025328 PMAQI
17th Jul 2025479 PMAQI
17th Jul 20254810 PMAQI
17th Jul 20254711 PMAQI
18th Jul 20254912 AMAQI
18th Jul 2025531 AMAQI
18th Jul 2025542 AMAQI
18th Jul 2025543 AMAQI
25°C24/28°C
18th Jul 2025544 AMAQI
18th Jul 2025525 AMAQI
18th Jul 2025526 AMAQI
18th Jul 2025527 AMAQI
18th Jul 2025528 AMAQI
18th Jul 2025309 AMAQI
18th Jul 20252610 AMAQI
18th Jul 20252711 AMAQI
18th Jul 20253012 PMAQI
18th Jul 2025361 PMAQI
18th Jul 2025342 PMAQI
18th Jul 2025383 PMAQI
18th Jul 2025334 PMAQI
18th Jul 2025295 PMAQI
18th Jul 2025296 PMAQI
18th Jul 2025287 PMAQI
18th Jul 2025338 PMAQI
18th Jul 2025459 PMAQI
18th Jul 20254510 PMAQI
18th Jul 20254411 PMAQI
19th Jul 20254512 AMAQI
19th Jul 2025511 AMAQI
19th Jul 2025522 AMAQI
19th Jul 2025523 AMAQI
28°C23/33°C
19th Jul 2025514 AMAQI
19th Jul 2025505 AMAQI
19th Jul 2025506 AMAQI
19th Jul 2025507 AMAQI
19th Jul 2025508 AMAQI
19th Jul 2025309 AMAQI
19th Jul 20252310 AMAQI
19th Jul 20252111 AMAQI
19th Jul 20252412 PMAQI
19th Jul 2025251 PMAQI
19th Jul 2025262 PMAQI
19th Jul 2025273 PMAQI
19th Jul 2025264 PMAQI
19th Jul 2025245 PMAQI
19th Jul 2025236 PMAQI
19th Jul 2025257 PMAQI
19th Jul 2025298 PMAQI
19th Jul 2025409 PMAQI
19th Jul 20253910 PMAQI
19th Jul 20253911 PMAQI
20th Jul 20254112 AMAQI
20th Jul 2025491 AMAQI
20th Jul 2025502 AMAQI
20th Jul 2025503 AMAQI
28°C24/33°C
20th Jul 2025494 AMAQI
20th Jul 2025465 AMAQI
20th Jul 2025466 AMAQI
20th Jul 2025467 AMAQI
20th Jul 2025468 AMAQI
20th Jul 2025339 AMAQI
20th Jul 20252210 AMAQI
20th Jul 20252611 AMAQI
20th Jul 20252612 PMAQI
20th Jul 2025261 PMAQI
20th Jul 2025272 PMAQI
20th Jul 2025283 PMAQI
20th Jul 2025254 PMAQI
20th Jul 2025255 PMAQI
20th Jul 2025246 PMAQI
20th Jul 2025247 PMAQI
20th Jul 2025318 PMAQI
20th Jul 2025359 PMAQI
20th Jul 20253510 PMAQI
20th Jul 20253611 PMAQI
21st Jul 20253512 AMAQI
21st Jul 2025441 AMAQI
21st Jul 2025462 AMAQI
21st Jul 2025463 AMAQI
29°C25/33°C
21st Jul 2025454 AMAQI
21st Jul 2025435 AMAQI
21st Jul 2025436 AMAQI
21st Jul 2025427 AMAQI
21st Jul 2025438 AMAQI
21st Jul 2025289 AMAQI
21st Jul 20252810 AMAQI
21st Jul 20253211 AMAQI
21st Jul 20253512 PMAQI
21st Jul 2025351 PMAQI
21st Jul 2025312 PMAQI
21st Jul 2025293 PMAQI
21st Jul 2025254 PMAQI
21st Jul 2025235 PMAQI
21st Jul 2025226 PMAQI
21st Jul 2025207 PMAQI
21st Jul 2025258 PMAQI
21st Jul 2025339 PMAQI
21st Jul 20253310 PMAQI
21st Jul 20253311 PMAQI
22nd Jul 20253412 AMAQI
22nd Jul 2025381 AMAQI
22nd Jul 2025422 AMAQI
22nd Jul 2025433 AMAQI
29°C26/32°C
22nd Jul 2025424 AMAQI
22nd Jul 2025405 AMAQI
22nd Jul 2025406 AMAQI
22nd Jul 2025407 AMAQI
22nd Jul 2025408 AMAQI
22nd Jul 2025319 AMAQI
22nd Jul 20253510 AMAQI
22nd Jul 20253811 AMAQI
22nd Jul 20254112 PMAQI
22nd Jul 2025461 PMAQI
22nd Jul 2025482 PMAQI
22nd Jul 2025503 PMAQI
22nd Jul 2025484 PMAQI
22nd Jul 2025455 PMAQI
22nd Jul 2025386 PMAQI
22nd Jul 2025327 PMAQI
22nd Jul 2025278 PMAQI
22nd Jul 2025329 PMAQI
22nd Jul 20253110 PMAQI
22nd Jul 20253011 PMAQI
23rd Jul 20253012 AMAQI
23rd Jul 2025381 AMAQI
23rd Jul 2025392 AMAQI
23rd Jul 2025393 AMAQI
29°C26/33°C
23rd Jul 2025394 AMAQI
23rd Jul 2025405 AMAQI
23rd Jul 2025406 AMAQI
23rd Jul 2025407 AMAQI
23rd Jul 2025408 AMAQI
23rd Jul 2025319 AMAQI
23rd Jul 20253410 AMAQI
23rd Jul 20253311 AMAQI
23rd Jul 20253612 PMAQI
23rd Jul 2025511 PMAQI
23rd Jul 2025532 PMAQI
23rd Jul 2025543 PMAQI
23rd Jul 2025564 PMAQI
23rd Jul 2025525 PMAQI
23rd Jul 2025456 PMAQI
23rd Jul 2025377 PMAQI
23rd Jul 2025358 PMAQI
23rd Jul 2025339 PMAQI
23rd Jul 20253310 PMAQI
23rd Jul 20253211 PMAQI
24th Jul 20253112 AMAQI
24th Jul 2025351 AMAQI
24th Jul 2025382 AMAQI
24th Jul 2025383 AMAQI
30°C26/34°C
24th Jul 2025384 AMAQI
24th Jul 2025405 AMAQI
24th Jul 2025406 AMAQI
24th Jul 2025397 AMAQI
24th Jul 2025398 AMAQI
24th Jul 2025359 AMAQI
24th Jul 20254410 AMAQI
24th Jul 20254011 AMAQI
24th Jul 20254912 PMAQI
24th Jul 2025531 PMAQI
24th Jul 2025532 PMAQI
24th Jul 2025473 PMAQI
24th Jul 2025444 PMAQI
24th Jul 2025375 PMAQI
24th Jul 2025296 PMAQI
24th Jul 2025267 PMAQI
24th Jul 2025268 PMAQI
24th Jul 2025309 PMAQI
24th Jul 20253010 PMAQI
24th Jul 20253011 PMAQI
25th Jul 20253012 AMAQI
25th Jul 2025371 AMAQI
25th Jul 2025372 AMAQI
25th Jul 2025383 AMAQI
30°C26/34°C
25th Jul 2025384 AMAQI
25th Jul 2025405 AMAQI
25th Jul 2025406 AMAQI
25th Jul 2025407 AMAQI
25th Jul 2025408 AMAQI
25th Jul 2025379 AMAQI
25th Jul 20254310 AMAQI
25th Jul 20254611 AMAQI
25th Jul 20254612 PMAQI
25th Jul 2025431 PMAQI
25th Jul 2025402 PMAQI
25th Jul 2025313 PMAQI
25th Jul 2025264 PMAQI
25th Jul 2025245 PMAQI
25th Jul 2025226 PMAQI
25th Jul 2025207 PMAQI
25th Jul 2025258 PMAQI
25th Jul 2025309 PMAQI
25th Jul 20253010 PMAQI
25th Jul 20253011 PMAQI
26th Jul 20253012 AMAQI
26th Jul 2025331 AMAQI
26th Jul 2025372 AMAQI
26th Jul 2025383 AMAQI
30°C26/34°C
26th Jul 2025374 AMAQI
26th Jul 2025385 AMAQI
26th Jul 2025396 AMAQI
26th Jul 2025397 AMAQI
26th Jul 2025388 AMAQI
26th Jul 2025309 AMAQI
26th Jul 20252910 AMAQI
26th Jul 20252711 AMAQI
26th Jul 20252912 PMAQI
26th Jul 2025291 PMAQI
26th Jul 2025332 PMAQI
26th Jul 2025313 PMAQI
26th Jul 2025284 PMAQI
26th Jul 2025265 PMAQI
26th Jul 2025266 PMAQI
26th Jul 2025297 PMAQI
26th Jul 2025328 PMAQI
26th Jul 2025339 PMAQI
26th Jul 20253310 PMAQI
26th Jul 20253211 PMAQI
27th Jul 20253012 AMAQI
27th Jul 2025351 AMAQI
27th Jul 2025372 AMAQI
27th Jul 2025363 AMAQI
29°C25/34°C
27th Jul 2025364 AMAQI
27th Jul 2025355 AMAQI
27th Jul 2025356 AMAQI
27th Jul 2025357 AMAQI
27th Jul 2025358 AMAQI
27th Jul 2025309 AMAQI
27th Jul 20252910 AMAQI
27th Jul 20252811 AMAQI
27th Jul 20252912 PMAQI
27th Jul 2025281 PMAQI
27th Jul 2025272 PMAQI
27th Jul 2025263 PMAQI
27th Jul 2025264 PMAQI
27th Jul 2025235 PMAQI
27th Jul 2025246 PMAQI
27th Jul 2025247 PMAQI
27th Jul 2025258 PMAQI
27th Jul 2025289 PMAQI
27th Jul 20252710 PMAQI
27th Jul 20252711 PMAQI
28th Jul 20252712 AMAQI
28th Jul 2025311 AMAQI
28th Jul 2025352 AMAQI
28th Jul 2025343 AMAQI
29°C25/34°C
28th Jul 2025344 AMAQI
28th Jul 2025345 AMAQI
28th Jul 2025336 AMAQI
28th Jul 2025337 AMAQI
28th Jul 2025338 AMAQI
28th Jul 2025279 AMAQI
28th Jul 20253110 AMAQI
28th Jul 20253411 AMAQI
28th Jul 20253912 PMAQI
28th Jul 2025401 PMAQI
28th Jul 2025432 PMAQI
28th Jul 2025483 PMAQI
28th Jul 2025514 PMAQI
28th Jul 2025515 PMAQI
28th Jul 2025456 PMAQI
28th Jul 2025367 PMAQI
28th Jul 2025298 PMAQI
28th Jul 2025309 PMAQI
28th Jul 20253010 PMAQI
28th Jul 20253011 PMAQI
29th Jul 20253112 AMAQI
29th Jul 2025321 AMAQI
29th Jul 2025322 AMAQI
29th Jul 2025333 AMAQI
30°C26/34°C
29th Jul 2025334 AMAQI
29th Jul 2025345 AMAQI
29th Jul 2025346 AMAQI
29th Jul 2025347 AMAQI
29th Jul 2025348 AMAQI
29th Jul 2025339 AMAQI
29th Jul 20253610 AMAQI
29th Jul 20254211 AMAQI
29th Jul 20255112 PMAQI
29th Jul 2025521 PMAQI
29th Jul 2025512 PMAQI
29th Jul 2025533 PMAQI
29th Jul 2025544 PMAQI
29th Jul 2025585 PMAQI
29th Jul 2025556 PMAQI
29th Jul 2025507 PMAQI
29th Jul 2025428 PMAQI
29th Jul 2025369 PMAQI
29th Jul 20253510 PMAQI
29th Jul 20253611 PMAQI
30th Jul 20253612 AMAQI
30th Jul 2025341 AMAQI
30th Jul 2025332 AMAQI
30th Jul 2025333 AMAQI
31°C26/36°C
30th Jul 2025344 AMAQI
30th Jul 2025365 AMAQI
30th Jul 2025366 AMAQI
30th Jul 2025367 AMAQI
30th Jul 2025368 AMAQI
30th Jul 2025399 AMAQI
30th Jul 20254210 AMAQI
30th Jul 20254411 AMAQI
30th Jul 20255112 PMAQI
30th Jul 2025541 PMAQI
30th Jul 2025592 PMAQI
30th Jul 2025633 PMAQI
30th Jul 2025594 PMAQI
30th Jul 2025575 PMAQI
30th Jul 2025516 PMAQI
30th Jul 2025467 PMAQI
30th Jul 2025378 PMAQI
30th Jul 2025379 PMAQI
30th Jul 20253810 PMAQI
30th Jul 20253811 PMAQI
31st Jul 20253812 AMAQI
31st Jul 2025351 AMAQI
31st Jul 2025352 AMAQI
31st Jul 2025353 AMAQI
30°C27/35°C
31st Jul 2025344 AMAQI
31st Jul 2025345 AMAQI
31st Jul 2025346 AMAQI
31st Jul 2025347 AMAQI
31st Jul 2025348 AMAQI
31st Jul 2025349 AMAQI
31st Jul 20253410 AMAQI
31st Jul 20254711 AMAQI
31st Jul 20255212 PMAQI
31st Jul 2025531 PMAQI
31st Jul 2025542 PMAQI
31st Jul 2025573 PMAQI
31st Jul 2025594 PMAQI
31st Jul 2025595 PMAQI
31st Jul 2025566 PMAQI
31st Jul 2025537 PMAQI
31st Jul 2025448 PMAQI
31st Jul 2025389 PMAQI
31st Jul 20253810 PMAQI
31st Jul 20253311 PMAQI
1st Aug 20253312 AMAQI
1st Aug 2025331 AMAQI
1st Aug 2025302 AMAQI
1st Aug 2025313 AMAQI
30°C27/35°C
1st Aug 2025334 AMAQI
1st Aug 2025335 AMAQI
1st Aug 2025346 AMAQI
1st Aug 2025357 AMAQI
1st Aug 2025358 AMAQI
1st Aug 2025439 AMAQI
1st Aug 20254410 AMAQI
1st Aug 20254811 AMAQI
1st Aug 20255112 PMAQI
1st Aug 2025511 PMAQI
1st Aug 2025562 PMAQI
1st Aug 2025593 PMAQI
1st Aug 2025584 PMAQI
1st Aug 2025585 PMAQI
1st Aug 2025596 PMAQI
1st Aug 2025557 PMAQI
1st Aug 2025528 PMAQI
1st Aug 2025479 PMAQI
1st Aug 20254110 PMAQI
1st Aug 20254111 PMAQI
2nd Aug 20253912 AMAQI
2nd Aug 2025341 AMAQI
2nd Aug 2025352 AMAQI
2nd Aug 2025343 AMAQI
30°C27/34°C
2nd Aug 2025374 AMAQI
2nd Aug 2025385 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025489 AMAQI
2nd Aug 20254710 AMAQI
2nd Aug 20255011 AMAQI
2nd Aug 20254712 PMAQI
2nd Aug 2025541 PMAQI
2nd Aug 2025562 PMAQI
2nd Aug 2025573 PMAQI
2nd Aug 2025554 PMAQI
2nd Aug 2025575 PMAQI
2nd Aug 2025536 PMAQI
2nd Aug 2025527 PMAQI
2nd Aug 2025478 PMAQI
2nd Aug 2025419 PMAQI
2nd Aug 20253810 PMAQI
2nd Aug 20254311 PMAQI
3rd Aug 20254412 AMAQI
3rd Aug 2025401 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025383 AMAQI
31°C27/36°C
3rd Aug 2025404 AMAQI
4 AM3rd Aug 2025425 AMAQI
3rd Aug 2025406 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025418 AMAQI
3rd Aug 2025479 AMAQI
3rd Aug 20255310 AMAQI
3rd Aug 20255511 AMAQI
11 AM3rd Aug 20255912 PMAQI
7 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
52AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
9 AM - 12 PM
45AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 8 AM (Avg. 52), while the lowest AQI was between 9 AM to 12 PM (Avg. 45).
Night time
Avg. Highest Time
12 AM - 3 AM
51AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
8 PM - 11 PM
49AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 51), while the lowest AQI was between 8 PM to 11 PM (Avg. 49).
2025 Days Vs Air Quality
Sayama, Osaka, Japan
2025
71%
152
29%
62
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
152 DaysModerate
62 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 71%
Health Risk Level:
Low
In 2025, 71% of 215 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
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.
1st January 2025
29AQI
29AQI
2nd January 2025
36AQI
36AQI
3rd January 2025
31AQI
31AQI
4th January 2025
32AQI
32AQI
5th January 2025
34AQI
34AQI
6th January 2025
40AQI
40AQI
7th January 2025
33AQI
33AQI
8th January 2025
33AQI
33AQI
9th January 2025
31AQI
31AQI
10th January 2025
27AQI
27AQI
11th January 2025
28AQI
28AQI
12th January 2025
36AQI
36AQI
13th January 2025
39AQI
39AQI
14th January 2025
49AQI
49AQI
15th January 2025
44AQI
44AQI
16th January 2025
39AQI
39AQI
17th January 2025
34AQI
34AQI
18th January 2025
35AQI
35AQI
19th January 2025
37AQI
37AQI
20th January 2025
45AQI
45AQI
21st January 2025
42AQI
42AQI
22nd January 2025
54AQI
54AQI
23rd January 2025
69AQI
69AQI
24th January 2025
65AQI
65AQI
25th January 2025
45AQI
45AQI
26th January 2025
40AQI
40AQI
27th January 2025
46AQI
46AQI
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
41AQI
41AQI
6th February 2025
33AQI
33AQI
7th February 2025
36AQI
36AQI
8th February 2025
31AQI
31AQI
9th February 2025
30AQI
30AQI
10th February 2025
32AQI
32AQI
11th February 2025
30AQI
30AQI
12th February 2025
48AQI
48AQI
13th February 2025
31AQI
31AQI
14th February 2025
47AQI
47AQI
15th February 2025
29AQI
29AQI
16th February 2025
54AQI
54AQI
17th February 2025
38AQI
38AQI
18th February 2025
39AQI
39AQI
19th February 2025
31AQI
31AQI
20th February 2025
31AQI
31AQI
21st February 2025
30AQI
30AQI
22nd February 2025
36AQI
36AQI
23rd February 2025
35AQI
35AQI
24th February 2025
33AQI
33AQI
25th February 2025
38AQI
38AQI
26th February 2025
38AQI
38AQI
27th February 2025
62AQI
62AQI
28th February 2025
66AQI
66AQI
1st March 2025
77AQI
77AQI
2nd March 2025
98AQI
98AQI
3rd March 2025
52AQI
52AQI
4th March 2025
47AQI
47AQI
5th March 2025
36AQI
36AQI
6th March 2025
40AQI
40AQI
7th March 2025
35AQI
35AQI
8th March 2025
40AQI
40AQI
9th March 2025
37AQI
37AQI
10th March 2025
44AQI
44AQI
11th March 2025
34AQI
34AQI
12th March 2025
44AQI
44AQI
13th March 2025
51AQI
51AQI
14th March 2025
46AQI
46AQI
15th March 2025
39AQI
39AQI
16th March 2025
26AQI
26AQI
17th March 2025
39AQI
39AQI
18th March 2025
31AQI
31AQI
19th March 2025
29AQI
29AQI
20th March 2025
42AQI
42AQI
21st March 2025
55AQI
55AQI
22nd March 2025
60AQI
60AQI
23rd March 2025
66AQI
66AQI
24th March 2025
70AQI
70AQI
25th March 2025
71AQI
71AQI
26th March 2025
75AQI
75AQI
27th March 2025
53AQI
53AQI
28th March 2025
43AQI
43AQI
29th March 2025
40AQI
40AQI
30th March 2025
35AQI
35AQI
31st March 2025
37AQI
37AQI
1st April 2025
34AQI
34AQI
2nd April 2025
43AQI
43AQI
3rd April 2025
25AQI
25AQI
4th April 2025
30AQI
30AQI
5th April 2025
39AQI
39AQI
6th April 2025
40AQI
40AQI
7th April 2025
46AQI
46AQI
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
33AQI
33AQI
14th April 2025
47AQI
47AQI
15th April 2025
26AQI
26AQI
16th April 2025
42AQI
42AQI
17th April 2025
47AQI
47AQI
18th April 2025
54AQI
54AQI
19th April 2025
57AQI
57AQI
20th April 2025
44AQI
44AQI
21st April 2025
42AQI
42AQI
22nd April 2025
48AQI
48AQI
23rd April 2025
36AQI
36AQI
24th April 2025
34AQI
34AQI
25th April 2025
57AQI
57AQI
26th April 2025
53AQI
53AQI
27th April 2025
56AQI
56AQI
28th April 2025
45AQI
45AQI
29th April 2025
50AQI
50AQI
30th April 2025
60AQI
60AQI
1st May 2025
55AQI
55AQI
2nd May 2025
41AQI
41AQI
3rd May 2025
47AQI
47AQI
4th May 2025
38AQI
38AQI
5th May 2025
43AQI
43AQI
6th May 2025
26AQI
26AQI
7th May 2025
32AQI
32AQI
8th May 2025
30AQI
30AQI
9th May 2025
34AQI
34AQI
10th May 2025
30AQI
30AQI
11th May 2025
32AQI
32AQI
12th May 2025
48AQI
48AQI
13th May 2025
52AQI
52AQI
14th May 2025
56AQI
56AQI
15th May 2025
53AQI
53AQI
16th May 2025
51AQI
51AQI
17th May 2025
43AQI
43AQI
18th May 2025
52AQI
52AQI
19th May 2025
53AQI
53AQI
20th May 2025
60AQI
60AQI
21st May 2025
42AQI
42AQI
22nd May 2025
37AQI
37AQI
23rd May 2025
50AQI
50AQI
24th May 2025
33AQI
33AQI
25th May 2025
27AQI
27AQI
26th May 2025
30AQI
30AQI
27th May 2025
30AQI
30AQI
28th May 2025
30AQI
30AQI
29th May 2025
39AQI
39AQI
30th May 2025
32AQI
32AQI
31st May 2025
37AQI
37AQI
1st June 2025
42AQI
42AQI
2nd June 2025
47AQI
47AQI
3rd June 2025
28AQI
28AQI
4th June 2025
44AQI
44AQI
5th June 2025
43AQI
43AQI
6th June 2025
45AQI
45AQI
7th June 2025
51AQI
51AQI
8th June 2025
60AQI
60AQI
9th June 2025
43AQI
43AQI
10th June 2025
33AQI
33AQI
11th June 2025
33AQI
33AQI
12th June 2025
46AQI
46AQI
13th June 2025
51AQI
51AQI
14th June 2025
36AQI
36AQI
15th June 2025
31AQI
31AQI
16th June 2025
38AQI
38AQI
17th June 2025
37AQI
37AQI
18th June 2025
48AQI
48AQI
19th June 2025
51AQI
51AQI
20th June 2025
56AQI
56AQI
21st June 2025
53AQI
53AQI
22nd June 2025
48AQI
48AQI
23rd June 2025
43AQI
43AQI
24th June 2025
41AQI
41AQI
25th June 2025
40AQI
40AQI
26th June 2025
39AQI
39AQI
27th June 2025
51AQI
51AQI
28th June 2025
51AQI
51AQI
29th June 2025
53AQI
53AQI
30th June 2025
56AQI
56AQI
1st July 2025
58AQI
58AQI
2nd July 2025
71AQI
71AQI
3rd July 2025
79AQI
79AQI
4th July 2025
92AQI
92AQI
5th July 2025
83AQI
83AQI
6th July 2025
73AQI
73AQI
7th July 2025
70AQI
70AQI
8th July 2025
73AQI
73AQI
9th July 2025
79AQI
79AQI
10th July 2025
65AQI
65AQI
11th July 2025
58AQI
58AQI
12th July 2025
57AQI
57AQI
13th July 2025
54AQI
54AQI
14th July 2025
46AQI
46AQI
15th July 2025
51AQI
51AQI
16th July 2025
55AQI
55AQI
17th July 2025
42AQI
42AQI
18th July 2025
43AQI
43AQI
19th July 2025
38AQI
38AQI
20th July 2025
36AQI
36AQI
21st July 2025
33AQI
33AQI
22nd July 2025
37AQI
37AQI
23rd July 2025
38AQI
38AQI
24th July 2025
35AQI
35AQI
25th July 2025
32AQI
32AQI
26th July 2025
31AQI
31AQI
27th July 2025
28AQI
28AQI
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
40AQI
40AQI
40AQI
40AQI
48AQI
45AQI
41AQI
45AQI
52AQI
43AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202544AQI
27
4
24
4
20
11
20
10
23
8
20
10
16
15
2
152
62
Highest AQI recorded in
July52AQI
Lowest AQI recorded in
February40AQI
202438AQI
27
4
27
2
25
6
20
9
1
27
4
23
7
28
3
24
7
26
4
29
2
28
2
31
315
50
1
Highest AQI recorded in
April49AQI
Lowest AQI recorded in
December32AQI
202342AQI
24
7
20
8
18
13
18
12
25
6
21
9
21
10
29
2
28
2
26
5
24
5
24
7
278
86
Highest AQI recorded in
April50AQI
Lowest AQI recorded in
August31AQI
202241AQI
21
2
18
3
19
12
21
9
15
16
24
6
15
6
1
26
2
29
2
24
6
28
3
241
67
Highest AQI recorded in
May49AQI
Lowest AQI recorded in
August20AQI
202140AQI
22
9
20
8
23
7
1
25
5
25
6
19
11
25
6
27
4
26
4
30
1
23
7
28
3
293
71
1
Highest AQI recorded in
June48AQI
Lowest AQI recorded in
August34AQI
202040AQI
10
3
15
6
15
3
24
6
28
3
11
18
2
18
1
27
4
23
7
21
10
192
61
2
Highest AQI recorded in
August60AQI
Lowest AQI recorded in
July31AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
44AQILeast Polluted Year Recorded
2024(Avg.)
38AQISayama's annual 2025 AQI (44) shows an average percentage change of 11.3% (worsened AQI) compared to previous years: 2020 (40), 2021 (40), 2022 (41), 2023 (42), 2024 (38).
