Saiki, Oita, 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
Saiki, Oita, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2024
89AQILowest AQI recorded on
31st Aug 2023
13AQISame Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 39 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 1st Aug - 2nd Aug 2025
Saiki, Oita, Japan
AQI
Day
Night
.
5 AM1st Aug 2025
7 PM
4 AM2nd Aug 2025
Day time
Avg. Highest Time
1PM1st Aug
57AQI
Avg. Lowest Time
5AM1st Aug
29AQI
Night time
Avg. Highest Time
8PM1st Aug
41AQI
Avg. Lowest Time
3AM2nd Aug
31AQI
In the last 24 hours,
Saiki's AQI reached its highest point of 57 at 1 PM during the Day, while the lowest point, 29, was recorded at 5 AM during the Day between 1st Aug and 2nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Saiki, Oita, Japan
JulAug
03rd - 04th04th - 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
Day
Night
3rd Jul 2025535 AMAQI
3rd Jul 2025536 AMAQI
3rd Jul 2025537 AMAQI
3rd Jul 2025538 AMAQI
3rd Jul 2025829 AMAQI
3rd Jul 202511010 AMAQI
3rd Jul 202510211 AMAQI
3rd Jul 202510212 PMAQI
3rd Jul 20251021 PMAQI
3rd Jul 20251022 PMAQI
3rd Jul 20251023 PMAQI
3rd Jul 20251024 PMAQI
3rd Jul 20251025 PMAQI
3rd Jul 20251226 PMAQI
3rd Jul 20251307 PMAQI
3rd Jul 20251248 PMAQI
3rd Jul 20251039 PMAQI
3rd Jul 202510410 PMAQI
3rd Jul 202510411 PMAQI
4th Jul 202510312 AMAQI
4th Jul 2025921 AMAQI
4th Jul 2025782 AMAQI
4th Jul 2025793 AMAQI
4th Jul 2025794 AMAQI
27°C25/30°C
4th Jul 2025775 AMAQI
4th Jul 2025786 AMAQI
4th Jul 2025777 AMAQI
4th Jul 2025788 AMAQI
4th Jul 20251169 AMAQI
4th Jul 202513510 AMAQI
4th Jul 202513011 AMAQI
4th Jul 202512512 PMAQI
4th Jul 20251221 PMAQI
4th Jul 20251172 PMAQI
4th Jul 20251193 PMAQI
4th Jul 20251214 PMAQI
4th Jul 20251165 PMAQI
4th Jul 20251126 PMAQI
4th Jul 20251207 PMAQI
4th Jul 20251198 PMAQI
4th Jul 2025959 PMAQI
4th Jul 20259810 PMAQI
4th Jul 20259811 PMAQI
5th Jul 20259612 AMAQI
5th Jul 2025901 AMAQI
5th Jul 2025832 AMAQI
5th Jul 2025833 AMAQI
5th Jul 2025844 AMAQI
27°C25/29°C
5th Jul 2025885 AMAQI
5th Jul 2025876 AMAQI
5th Jul 2025907 AMAQI
5th Jul 2025918 AMAQI
5th Jul 20251229 AMAQI
5th Jul 202512810 AMAQI
5th Jul 202512211 AMAQI
5th Jul 202512012 PMAQI
5th Jul 20251071 PMAQI
5th Jul 20251002 PMAQI
5th Jul 2025983 PMAQI
5th Jul 2025944 PMAQI
5th Jul 2025915 PMAQI
5th Jul 2025946 PMAQI
5th Jul 2025957 PMAQI
5th Jul 2025948 PMAQI
5th Jul 2025889 PMAQI
5th Jul 20259110 PMAQI
5th Jul 20259211 PMAQI
6th Jul 20259112 AMAQI
6th Jul 2025881 AMAQI
6th Jul 2025872 AMAQI
6th Jul 2025873 AMAQI
6th Jul 2025884 AMAQI
27°C24/30°C
6th Jul 2025945 AMAQI
6th Jul 2025916 AMAQI
6th Jul 2025927 AMAQI
6th Jul 2025918 AMAQI
6th Jul 2025789 AMAQI
6th Jul 20256610 AMAQI
6th Jul 20256411 AMAQI
6th Jul 20256712 PMAQI
6th Jul 2025731 PMAQI
6th Jul 2025692 PMAQI
6th Jul 2025683 PMAQI
6th Jul 2025664 PMAQI
6th Jul 2025645 PMAQI
6th Jul 2025636 PMAQI
6th Jul 2025627 PMAQI
6th Jul 2025668 PMAQI
6th Jul 2025789 PMAQI
6th Jul 20258010 PMAQI
6th Jul 20257611 PMAQI
7th Jul 20257612 AMAQI
7th Jul 2025801 AMAQI
7th Jul 2025862 AMAQI
7th Jul 2025883 AMAQI
7th Jul 2025874 AMAQI
26°C23/30°C
7th Jul 2025865 AMAQI
7th Jul 2025846 AMAQI
7th Jul 2025857 AMAQI
7th Jul 2025868 AMAQI
7th Jul 2025489 AMAQI
7th Jul 20254010 AMAQI
7th Jul 20254811 AMAQI
7th Jul 20255012 PMAQI
7th Jul 2025571 PMAQI
7th Jul 2025582 PMAQI
7th Jul 2025583 PMAQI
7th Jul 2025584 PMAQI
7th Jul 2025595 PMAQI
7th Jul 2025606 PMAQI
7th Jul 2025607 PMAQI
7th Jul 2025648 PMAQI
7th Jul 2025709 PMAQI
7th Jul 20257210 PMAQI
7th Jul 20257211 PMAQI
8th Jul 20257212 AMAQI
8th Jul 2025751 AMAQI
8th Jul 2025802 AMAQI
8th Jul 2025813 AMAQI
8th Jul 2025804 AMAQI
27°C23/30°C
8th Jul 2025775 AMAQI
8th Jul 2025786 AMAQI
8th Jul 2025777 AMAQI
8th Jul 2025768 AMAQI
8th Jul 2025619 AMAQI
8th Jul 20256110 AMAQI
8th Jul 20256111 AMAQI
8th Jul 20255912 PMAQI
8th Jul 2025621 PMAQI
8th Jul 2025632 PMAQI
8th Jul 2025643 PMAQI
8th Jul 2025684 PMAQI
8th Jul 2025705 PMAQI
8th Jul 2025716 PMAQI
8th Jul 2025697 PMAQI
8th Jul 2025688 PMAQI
8th Jul 2025719 PMAQI
8th Jul 20257310 PMAQI
8th Jul 20257211 PMAQI
9th Jul 20257212 AMAQI
9th Jul 2025721 AMAQI
9th Jul 2025742 AMAQI
9th Jul 2025743 AMAQI
9th Jul 2025734 AMAQI
27°C25/31°C
9th Jul 2025705 AMAQI
9th Jul 2025716 AMAQI
9th Jul 2025717 AMAQI
9th Jul 2025718 AMAQI
9th Jul 2025739 AMAQI
9th Jul 20258410 AMAQI
9th Jul 20259211 AMAQI
9th Jul 20259112 PMAQI
9th Jul 2025811 PMAQI
9th Jul 2025792 PMAQI
9th Jul 2025803 PMAQI
9th Jul 2025824 PMAQI
9th Jul 2025845 PMAQI
9th Jul 2025806 PMAQI
9th Jul 2025817 PMAQI
9th Jul 2025798 PMAQI
9th Jul 2025729 PMAQI
9th Jul 20257210 PMAQI
9th Jul 20256911 PMAQI
10th Jul 20257012 AMAQI
10th Jul 2025691 AMAQI
10th Jul 2025712 AMAQI
10th Jul 2025713 AMAQI
10th Jul 2025724 AMAQI
27°C25/30°C
10th Jul 2025725 AMAQI
10th Jul 2025726 AMAQI
10th Jul 2025727 AMAQI
10th Jul 2025728 AMAQI
10th Jul 2025489 AMAQI
10th Jul 20255210 AMAQI
10th Jul 20256311 AMAQI
10th Jul 20257212 PMAQI
10th Jul 2025701 PMAQI
10th Jul 2025692 PMAQI
10th Jul 2025683 PMAQI
10th Jul 2025664 PMAQI
10th Jul 2025605 PMAQI
10th Jul 2025586 PMAQI
10th Jul 2025567 PMAQI
10th Jul 2025588 PMAQI
10th Jul 2025649 PMAQI
10th Jul 20256610 PMAQI
10th Jul 20256511 PMAQI
11th Jul 20256412 AMAQI
11th Jul 2025661 AMAQI
11th Jul 2025702 AMAQI
11th Jul 2025703 AMAQI
11th Jul 2025694 AMAQI
26°C24/28°C
11th Jul 2025705 AMAQI
11th Jul 2025696 AMAQI
11th Jul 2025717 AMAQI
11th Jul 2025708 AMAQI
11th Jul 2025309 AMAQI
11th Jul 20251710 AMAQI
11th Jul 20251711 AMAQI
11th Jul 20251612 PMAQI
11th Jul 2025411 PMAQI
11th Jul 2025432 PMAQI
11th Jul 2025423 PMAQI
11th Jul 2025424 PMAQI
11th Jul 2025405 PMAQI
11th Jul 2025406 PMAQI
11th Jul 2025397 PMAQI
11th Jul 2025448 PMAQI
11th Jul 2025619 PMAQI
11th Jul 20256110 PMAQI
11th Jul 20256111 PMAQI
12th Jul 20256012 AMAQI
12th Jul 2025621 AMAQI
12th Jul 2025652 AMAQI
12th Jul 2025683 AMAQI
12th Jul 2025664 AMAQI
26°C25/28°C
12th Jul 2025645 AMAQI
12th Jul 2025646 AMAQI
12th Jul 2025647 AMAQI
12th Jul 2025648 AMAQI
12th Jul 2025289 AMAQI
12th Jul 20251610 AMAQI
12th Jul 20251811 AMAQI
12th Jul 20252012 PMAQI
12th Jul 2025411 PMAQI
12th Jul 2025402 PMAQI
12th Jul 2025413 PMAQI
12th Jul 2025404 PMAQI
12th Jul 2025455 PMAQI
12th Jul 2025436 PMAQI
12th Jul 2025417 PMAQI
12th Jul 2025428 PMAQI
12th Jul 2025569 PMAQI
12th Jul 20255610 PMAQI
12th Jul 20255611 PMAQI
13th Jul 20255712 AMAQI
13th Jul 2025591 AMAQI
13th Jul 2025622 AMAQI
13th Jul 2025623 AMAQI
13th Jul 2025624 AMAQI
26°C25/28°C
13th Jul 2025595 AMAQI
13th Jul 2025596 AMAQI
13th Jul 2025607 AMAQI
13th Jul 2025598 AMAQI
13th Jul 2025389 AMAQI
13th Jul 20251810 AMAQI
13th Jul 20251811 AMAQI
13th Jul 20252012 PMAQI
13th Jul 2025331 PMAQI
13th Jul 2025312 PMAQI
13th Jul 2025333 PMAQI
13th Jul 2025344 PMAQI
13th Jul 2025325 PMAQI
13th Jul 2025346 PMAQI
13th Jul 2025337 PMAQI
13th Jul 2025368 PMAQI
13th Jul 2025539 PMAQI
13th Jul 20255410 PMAQI
13th Jul 20255311 PMAQI
14th Jul 20255312 AMAQI
14th Jul 2025541 AMAQI
14th Jul 2025582 AMAQI
14th Jul 2025583 AMAQI
14th Jul 2025584 AMAQI
27°C25/29°C
14th Jul 2025565 AMAQI
14th Jul 2025556 AMAQI
14th Jul 2025557 AMAQI
14th Jul 2025568 AMAQI
14th Jul 2025279 AMAQI
14th Jul 20251810 AMAQI
14th Jul 20252211 AMAQI
14th Jul 20253212 PMAQI
14th Jul 2025411 PMAQI
14th Jul 2025362 PMAQI
14th Jul 2025313 PMAQI
14th Jul 2025324 PMAQI
14th Jul 2025315 PMAQI
14th Jul 2025316 PMAQI
14th Jul 2025317 PMAQI
14th Jul 2025338 PMAQI
14th Jul 2025519 PMAQI
14th Jul 20255010 PMAQI
14th Jul 20255011 PMAQI
15th Jul 20255112 AMAQI
15th Jul 2025521 AMAQI
15th Jul 2025542 AMAQI
15th Jul 2025543 AMAQI
15th Jul 2025544 AMAQI
26°C23/29°C
15th Jul 2025525 AMAQI
15th Jul 2025536 AMAQI
15th Jul 2025527 AMAQI
15th Jul 2025528 AMAQI
15th Jul 2025339 AMAQI
15th Jul 20253610 AMAQI
15th Jul 20254611 AMAQI
15th Jul 20254912 PMAQI
15th Jul 2025481 PMAQI
15th Jul 2025552 PMAQI
15th Jul 2025553 PMAQI
15th Jul 2025544 PMAQI
15th Jul 2025565 PMAQI
15th Jul 2025616 PMAQI
15th Jul 2025647 PMAQI
15th Jul 2025628 PMAQI
15th Jul 2025549 PMAQI
15th Jul 20255310 PMAQI
15th Jul 20255311 PMAQI
16th Jul 20255312 AMAQI
16th Jul 2025521 AMAQI
16th Jul 2025522 AMAQI
16th Jul 2025523 AMAQI
16th Jul 2025524 AMAQI
26°C22/30°C
16th Jul 2025525 AMAQI
16th Jul 2025526 AMAQI
16th Jul 2025527 AMAQI
16th Jul 2025528 AMAQI
16th Jul 2025389 AMAQI
16th Jul 20254610 AMAQI
16th Jul 20255511 AMAQI
16th Jul 20255912 PMAQI
16th Jul 2025611 PMAQI
16th Jul 2025652 PMAQI
16th Jul 2025623 PMAQI
16th Jul 2025584 PMAQI
16th Jul 2025575 PMAQI
16th Jul 2025556 PMAQI
16th Jul 2025567 PMAQI
16th Jul 2025588 PMAQI
16th Jul 2025549 PMAQI
16th Jul 20255310 PMAQI
16th Jul 20255311 PMAQI
17th Jul 20255312 AMAQI
17th Jul 2025531 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025523 AMAQI
17th Jul 2025524 AMAQI
26°C22/29°C
17th Jul 2025525 AMAQI
17th Jul 2025536 AMAQI
17th Jul 2025537 AMAQI
17th Jul 2025538 AMAQI
17th Jul 2025339 AMAQI
17th Jul 20253010 AMAQI
17th Jul 20253411 AMAQI
17th Jul 20253612 PMAQI
17th Jul 2025421 PMAQI
17th Jul 2025422 PMAQI
17th Jul 2025353 PMAQI
17th Jul 2025334 PMAQI
17th Jul 2025325 PMAQI
17th Jul 2025306 PMAQI
17th Jul 2025297 PMAQI
17th Jul 2025338 PMAQI
17th Jul 2025499 PMAQI
17th Jul 20254810 PMAQI
17th Jul 20254911 PMAQI
18th Jul 20254812 AMAQI
18th Jul 2025511 AMAQI
18th Jul 2025522 AMAQI
18th Jul 2025523 AMAQI
18th Jul 2025524 AMAQI
27°C25/30°C
18th Jul 2025525 AMAQI
18th Jul 2025526 AMAQI
18th Jul 2025527 AMAQI
18th Jul 2025528 AMAQI
18th Jul 2025249 AMAQI
18th Jul 20251610 AMAQI
18th Jul 20251611 AMAQI
18th Jul 20251712 PMAQI
18th Jul 2025261 PMAQI
18th Jul 2025282 PMAQI
18th Jul 2025323 PMAQI
18th Jul 2025324 PMAQI
18th Jul 2025305 PMAQI
18th Jul 2025336 PMAQI
18th Jul 2025347 PMAQI
18th Jul 2025378 PMAQI
18th Jul 2025439 PMAQI
18th Jul 20254410 PMAQI
18th Jul 20254311 PMAQI
19th Jul 20254412 AMAQI
19th Jul 2025451 AMAQI
19th Jul 2025492 AMAQI
19th Jul 2025503 AMAQI
19th Jul 2025484 AMAQI
25°C25/26°C
19th Jul 2025465 AMAQI
19th Jul 2025466 AMAQI
19th Jul 2025467 AMAQI
19th Jul 2025468 AMAQI
19th Jul 2025269 AMAQI
19th Jul 20252510 AMAQI
19th Jul 20253011 AMAQI
19th Jul 20252612 PMAQI
19th Jul 2025301 PMAQI
19th Jul 2025332 PMAQI
19th Jul 2025323 PMAQI
19th Jul 2025314 PMAQI
19th Jul 2025295 PMAQI
19th Jul 2025316 PMAQI
19th Jul 2025317 PMAQI
19th Jul 2025348 PMAQI
19th Jul 2025409 PMAQI
19th Jul 20254010 PMAQI
19th Jul 20254111 PMAQI
20th Jul 20254212 AMAQI
20th Jul 2025421 AMAQI
20th Jul 2025462 AMAQI
20th Jul 2025463 AMAQI
20th Jul 2025454 AMAQI
26°C24/29°C
20th Jul 2025445 AMAQI
20th Jul 2025446 AMAQI
20th Jul 2025447 AMAQI
20th Jul 2025448 AMAQI
20th Jul 2025309 AMAQI
20th Jul 20251710 AMAQI
20th Jul 20252011 AMAQI
20th Jul 20252312 PMAQI
20th Jul 2025271 PMAQI
20th Jul 2025282 PMAQI
20th Jul 2025273 PMAQI
20th Jul 2025284 PMAQI
20th Jul 2025285 PMAQI
20th Jul 2025266 PMAQI
20th Jul 2025247 PMAQI
20th Jul 2025288 PMAQI
20th Jul 2025379 PMAQI
20th Jul 20253710 PMAQI
20th Jul 20253611 PMAQI
21st Jul 20253712 AMAQI
21st Jul 2025401 AMAQI
21st Jul 2025422 AMAQI
21st Jul 2025423 AMAQI
21st Jul 2025414 AMAQI
26°C24/29°C
21st Jul 2025405 AMAQI
21st Jul 2025396 AMAQI
21st Jul 2025407 AMAQI
21st Jul 2025408 AMAQI
21st Jul 2025229 AMAQI
21st Jul 20251410 AMAQI
21st Jul 20251511 AMAQI
21st Jul 20251812 PMAQI
21st Jul 2025221 PMAQI
21st Jul 2025232 PMAQI
21st Jul 2025243 PMAQI
21st Jul 2025244 PMAQI
21st Jul 2025255 PMAQI
21st Jul 2025246 PMAQI
21st Jul 2025267 PMAQI
21st Jul 2025298 PMAQI
21st Jul 2025359 PMAQI
21st Jul 20253510 PMAQI
21st Jul 20253411 PMAQI
22nd Jul 20253512 AMAQI
22nd Jul 2025371 AMAQI
22nd Jul 2025392 AMAQI
22nd Jul 2025393 AMAQI
22nd Jul 2025384 AMAQI
27°C24/30°C
22nd Jul 2025365 AMAQI
22nd Jul 2025366 AMAQI
22nd Jul 2025367 AMAQI
22nd Jul 2025368 AMAQI
22nd Jul 2025229 AMAQI
22nd Jul 20252410 AMAQI
22nd Jul 20252511 AMAQI
22nd Jul 20252112 PMAQI
22nd Jul 2025241 PMAQI
22nd Jul 2025262 PMAQI
22nd Jul 2025253 PMAQI
22nd Jul 2025264 PMAQI
22nd Jul 2025265 PMAQI
22nd Jul 2025256 PMAQI
22nd Jul 2025247 PMAQI
22nd Jul 2025278 PMAQI
22nd Jul 2025329 PMAQI
22nd Jul 20253210 PMAQI
22nd Jul 20253211 PMAQI
23rd Jul 20253112 AMAQI
23rd Jul 2025331 AMAQI
23rd Jul 2025362 AMAQI
23rd Jul 2025353 AMAQI
23rd Jul 2025344 AMAQI
27°C24/30°C
23rd Jul 2025345 AMAQI
23rd Jul 2025346 AMAQI
23rd Jul 2025347 AMAQI
23rd Jul 2025348 AMAQI
23rd Jul 2025209 AMAQI
23rd Jul 20251810 AMAQI
23rd Jul 20252311 AMAQI
23rd Jul 20252612 PMAQI
23rd Jul 2025231 PMAQI
23rd Jul 2025242 PMAQI
23rd Jul 2025253 PMAQI
23rd Jul 2025284 PMAQI
23rd Jul 2025265 PMAQI
23rd Jul 2025256 PMAQI
23rd Jul 2025277 PMAQI
23rd Jul 2025278 PMAQI
23rd Jul 2025319 PMAQI
23rd Jul 20253110 PMAQI
23rd Jul 20253111 PMAQI
24th Jul 20253012 AMAQI
24th Jul 2025321 AMAQI
24th Jul 2025332 AMAQI
24th Jul 2025333 AMAQI
24th Jul 2025324 AMAQI
27°C24/30°C
24th Jul 2025325 AMAQI
24th Jul 2025326 AMAQI
24th Jul 2025327 AMAQI
24th Jul 2025328 AMAQI
24th Jul 2025209 AMAQI
24th Jul 20251810 AMAQI
24th Jul 20252211 AMAQI
24th Jul 20252312 PMAQI
24th Jul 2025231 PMAQI
24th Jul 2025232 PMAQI
24th Jul 2025223 PMAQI
24th Jul 2025214 PMAQI
24th Jul 2025225 PMAQI
24th Jul 2025236 PMAQI
24th Jul 2025247 PMAQI
24th Jul 2025258 PMAQI
24th Jul 2025299 PMAQI
24th Jul 20252910 PMAQI
24th Jul 20252911 PMAQI
25th Jul 20252912 AMAQI
25th Jul 2025311 AMAQI
25th Jul 2025332 AMAQI
25th Jul 2025333 AMAQI
25th Jul 2025324 AMAQI
27°C25/30°C
25th Jul 2025315 AMAQI
25th Jul 2025306 AMAQI
25th Jul 2025317 AMAQI
25th Jul 2025318 AMAQI
25th Jul 2025219 AMAQI
25th Jul 20251910 AMAQI
25th Jul 20251811 AMAQI
25th Jul 20252212 PMAQI
25th Jul 2025251 PMAQI
25th Jul 2025242 PMAQI
25th Jul 2025233 PMAQI
25th Jul 2025224 PMAQI
25th Jul 2025225 PMAQI
25th Jul 2025226 PMAQI
25th Jul 2025227 PMAQI
25th Jul 2025248 PMAQI
25th Jul 2025269 PMAQI
25th Jul 20252510 PMAQI
25th Jul 20252611 PMAQI
26th Jul 20252612 AMAQI
26th Jul 2025261 AMAQI
26th Jul 2025302 AMAQI
26th Jul 2025303 AMAQI
26th Jul 2025284 AMAQI
26°C25/28°C
26th Jul 2025285 AMAQI
26th Jul 2025276 AMAQI
26th Jul 2025277 AMAQI
26th Jul 2025278 AMAQI
26th Jul 2025169 AMAQI
26th Jul 20251310 AMAQI
26th Jul 20251511 AMAQI
26th Jul 20251812 PMAQI
26th Jul 2025231 PMAQI
26th Jul 2025222 PMAQI
26th Jul 2025213 PMAQI
26th Jul 2025234 PMAQI
26th Jul 2025225 PMAQI
26th Jul 2025236 PMAQI
26th Jul 2025267 PMAQI
26th Jul 2025278 PMAQI
26th Jul 2025279 PMAQI
26th Jul 20252710 PMAQI
26th Jul 20252611 PMAQI
27th Jul 20252612 AMAQI
27th Jul 2025261 AMAQI
27th Jul 2025282 AMAQI
27th Jul 2025283 AMAQI
27th Jul 2025284 AMAQI
26°C25/28°C
27th Jul 2025275 AMAQI
27th Jul 2025276 AMAQI
27th Jul 2025277 AMAQI
27th Jul 2025278 AMAQI
27th Jul 2025249 AMAQI
27th Jul 20252410 AMAQI
27th Jul 20252611 AMAQI
27th Jul 20252312 PMAQI
27th Jul 2025221 PMAQI
27th Jul 2025232 PMAQI
27th Jul 2025253 PMAQI
27th Jul 2025264 PMAQI
27th Jul 2025265 PMAQI
27th Jul 2025266 PMAQI
27th Jul 2025267 PMAQI
27th Jul 2025268 PMAQI
27th Jul 2025269 PMAQI
27th Jul 20252710 PMAQI
27th Jul 20252611 PMAQI
28th Jul 20252612 AMAQI
28th Jul 2025251 AMAQI
28th Jul 2025272 AMAQI
28th Jul 2025283 AMAQI
28th Jul 2025274 AMAQI
26°C25/28°C
28th Jul 2025265 AMAQI
28th Jul 2025266 AMAQI
28th Jul 2025267 AMAQI
28th Jul 2025278 AMAQI
28th Jul 2025189 AMAQI
28th Jul 20252010 AMAQI
28th Jul 20252511 AMAQI
28th Jul 20252612 PMAQI
28th Jul 2025241 PMAQI
28th Jul 2025242 PMAQI
28th Jul 2025233 PMAQI
28th Jul 2025244 PMAQI
28th Jul 2025255 PMAQI
28th Jul 2025256 PMAQI
28th Jul 2025227 PMAQI
28th Jul 2025238 PMAQI
28th Jul 2025269 PMAQI
28th Jul 20252610 PMAQI
28th Jul 20252611 PMAQI
29th Jul 20252612 AMAQI
29th Jul 2025251 AMAQI
29th Jul 2025272 AMAQI
29th Jul 2025263 AMAQI
29th Jul 2025264 AMAQI
27°C25/30°C
29th Jul 2025265 AMAQI
29th Jul 2025266 AMAQI
29th Jul 2025257 AMAQI
29th Jul 2025268 AMAQI
29th Jul 2025209 AMAQI
29th Jul 20252310 AMAQI
29th Jul 20251911 AMAQI
29th Jul 20252412 PMAQI
29th Jul 2025251 PMAQI
29th Jul 2025322 PMAQI
29th Jul 2025243 PMAQI
29th Jul 2025224 PMAQI
29th Jul 2025215 PMAQI
29th Jul 2025226 PMAQI
29th Jul 2025227 PMAQI
29th Jul 2025238 PMAQI
29th Jul 2025279 PMAQI
29th Jul 20252610 PMAQI
29th Jul 20252611 PMAQI
30th Jul 20252512 AMAQI
30th Jul 2025251 AMAQI
30th Jul 2025262 AMAQI
30th Jul 2025263 AMAQI
30th Jul 2025264 AMAQI
27°C24/30°C
30th Jul 2025265 AMAQI
30th Jul 2025266 AMAQI
30th Jul 2025267 AMAQI
30th Jul 2025268 AMAQI
30th Jul 2025189 AMAQI
30th Jul 20251510 AMAQI
30th Jul 20252011 AMAQI
30th Jul 20252212 PMAQI
30th Jul 2025221 PMAQI
30th Jul 2025222 PMAQI
30th Jul 2025213 PMAQI
30th Jul 2025204 PMAQI
30th Jul 2025205 PMAQI
30th Jul 2025186 PMAQI
30th Jul 2025187 PMAQI
30th Jul 2025198 PMAQI
30th Jul 2025239 PMAQI
30th Jul 20252310 PMAQI
30th Jul 20252311 PMAQI
31st Jul 20252312 AMAQI
31st Jul 2025241 AMAQI
31st Jul 2025242 AMAQI
31st Jul 2025243 AMAQI
31st Jul 2025244 AMAQI
26°C23/30°C
31st Jul 2025245 AMAQI
31st Jul 2025246 AMAQI
31st Jul 2025247 AMAQI
31st Jul 2025248 AMAQI
31st Jul 2025249 AMAQI
31st Jul 20252410 AMAQI
31st Jul 20252911 AMAQI
31st Jul 20253212 PMAQI
31st Jul 2025281 PMAQI
31st Jul 2025292 PMAQI
31st Jul 2025283 PMAQI
31st Jul 2025294 PMAQI
31st Jul 2025335 PMAQI
31st Jul 2025356 PMAQI
31st Jul 2025377 PMAQI
31st Jul 2025328 PMAQI
31st Jul 2025409 PMAQI
31st Jul 20254110 PMAQI
31st Jul 20254011 PMAQI
1st Aug 20253312 AMAQI
1st Aug 2025301 AMAQI
1st Aug 2025312 AMAQI
1st Aug 2025303 AMAQI
1st Aug 2025274 AMAQI
27°C24/30°C
1st Aug 2025295 AMAQI
1st Aug 2025306 AMAQI
1st Aug 2025307 AMAQI
1st Aug 2025318 AMAQI
1st Aug 2025429 AMAQI
1st Aug 20254110 AMAQI
1st Aug 20255411 AMAQI
1st Aug 20255212 PMAQI
1st Aug 2025571 PMAQI
1st Aug 2025512 PMAQI
1st Aug 2025543 PMAQI
1st Aug 2025554 PMAQI
1st Aug 2025545 PMAQI
1st Aug 2025556 PMAQI
1st Aug 2025527 PMAQI
1st Aug 2025418 PMAQI
1st Aug 2025399 PMAQI
1st Aug 20254010 PMAQI
1st Aug 20253811 PMAQI
2nd Aug 20253912 AMAQI
2nd Aug 2025351 AMAQI
2nd Aug 2025332 AMAQI
2nd Aug 2025313 AMAQI
2nd Aug 2025344 AMAQI
28°C24/31°C
2nd Aug 2025375 AMAQI
5 AM2nd Aug 2025386 AMAQI
2nd Aug 2025367 AMAQI
2nd Aug 2025378 AMAQI
2nd Aug 2025469 AMAQI
2nd Aug 20254810 AMAQI
2nd Aug 20254911 AMAQI
2nd Aug 20255512 PMAQI
12 PM2nd Aug 2025561 PMAQI
2nd Aug 2025522 PMAQI
2nd Aug 2025553 PMAQI
2nd Aug 2025564 PMAQI
2nd Aug 2025565 PMAQI
2nd Aug 2025526 PMAQI
2nd Aug 2025467 PMAQI
7 PM2nd Aug 2025518 PMAQI
2nd Aug 2025509 PMAQI
2nd Aug 20254610 PMAQI
2nd Aug 20255211 PMAQI
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 AM
50AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
9 AM - 10 AM
40AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 50), while the lowest AQI was between 9 AM to 10 AM (Avg. 40).
Night time
Avg. Highest Time
12 AM - 4 AM
51AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
8 PM
47AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 51), while the lowest AQI was between 8 PM to 8 PM (Avg. 47).
2025 Days Vs Air Quality
Saiki, Oita, Japan
2025
77%
165
22%
47
0.4%
1
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Good
165 DaysModerate
47 DaysPoor
1 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 77%
Health Risk Level:
Low
In 2025, 77% of 214 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
Saiki, Oita, 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
30AQI
30AQI
2nd January 2025
35AQI
35AQI
3rd January 2025
33AQI
33AQI
4th January 2025
32AQI
32AQI
5th January 2025
31AQI
31AQI
6th January 2025
41AQI
41AQI
7th January 2025
31AQI
31AQI
8th January 2025
37AQI
37AQI
9th January 2025
29AQI
29AQI
10th January 2025
30AQI
30AQI
11th January 2025
28AQI
28AQI
12th January 2025
33AQI
33AQI
13th January 2025
43AQI
43AQI
14th January 2025
41AQI
41AQI
15th January 2025
44AQI
44AQI
16th January 2025
36AQI
36AQI
17th January 2025
43AQI
43AQI
18th January 2025
33AQI
33AQI
19th January 2025
41AQI
41AQI
20th January 2025
35AQI
35AQI
21st January 2025
56AQI
56AQI
22nd January 2025
62AQI
62AQI
23rd January 2025
62AQI
62AQI
24th January 2025
70AQI
70AQI
25th January 2025
45AQI
45AQI
26th January 2025
43AQI
43AQI
27th January 2025
34AQI
34AQI
28th January 2025
34AQI
34AQI
29th January 2025
31AQI
31AQI
30th January 2025
35AQI
35AQI
31st January 2025
44AQI
44AQI
1st February 2025
42AQI
42AQI
2nd February 2025
33AQI
33AQI
3rd February 2025
42AQI
42AQI
4th February 2025
31AQI
31AQI
5th February 2025
37AQI
37AQI
6th February 2025
31AQI
31AQI
7th February 2025
33AQI
33AQI
8th February 2025
30AQI
30AQI
9th February 2025
30AQI
30AQI
10th February 2025
31AQI
31AQI
11th February 2025
35AQI
35AQI
12th February 2025
35AQI
35AQI
13th February 2025
31AQI
31AQI
14th February 2025
38AQI
38AQI
15th February 2025
32AQI
32AQI
16th February 2025
36AQI
36AQI
17th February 2025
44AQI
44AQI
18th February 2025
32AQI
32AQI
19th February 2025
37AQI
37AQI
20th February 2025
32AQI
32AQI
21st February 2025
37AQI
37AQI
22nd February 2025
39AQI
39AQI
23rd February 2025
37AQI
37AQI
24th February 2025
35AQI
35AQI
25th February 2025
34AQI
34AQI
26th February 2025
41AQI
41AQI
27th February 2025
58AQI
58AQI
28th February 2025
54AQI
54AQI
1st March 2025
68AQI
68AQI
2nd March 2025
70AQI
70AQI
3rd March 2025
47AQI
47AQI
4th March 2025
35AQI
35AQI
5th March 2025
31AQI
31AQI
6th March 2025
35AQI
35AQI
7th March 2025
32AQI
32AQI
8th March 2025
41AQI
41AQI
9th March 2025
39AQI
39AQI
10th March 2025
41AQI
41AQI
11th March 2025
41AQI
41AQI
12th March 2025
42AQI
42AQI
13th March 2025
55AQI
55AQI
14th March 2025
40AQI
40AQI
15th March 2025
39AQI
39AQI
16th March 2025
26AQI
26AQI
17th March 2025
50AQI
50AQI
18th March 2025
37AQI
37AQI
19th March 2025
45AQI
45AQI
20th March 2025
45AQI
45AQI
21st March 2025
56AQI
56AQI
22nd March 2025
58AQI
58AQI
23rd March 2025
61AQI
61AQI
24th March 2025
57AQI
57AQI
25th March 2025
69AQI
69AQI
26th March 2025
68AQI
68AQI
27th March 2025
50AQI
50AQI
28th March 2025
59AQI
59AQI
29th March 2025
50AQI
50AQI
30th March 2025
43AQI
43AQI
31st March 2025
40AQI
40AQI
1st April 2025
45AQI
45AQI
2nd April 2025
35AQI
35AQI
3rd April 2025
34AQI
34AQI
4th April 2025
35AQI
35AQI
5th April 2025
42AQI
42AQI
6th April 2025
46AQI
46AQI
7th April 2025
33AQI
33AQI
8th April 2025
38AQI
38AQI
9th April 2025
56AQI
56AQI
10th April 2025
50AQI
50AQI
11th April 2025
57AQI
57AQI
12th April 2025
56AQI
56AQI
13th April 2025
48AQI
48AQI
14th April 2025
53AQI
53AQI
15th April 2025
30AQI
30AQI
16th April 2025
44AQI
44AQI
17th April 2025
46AQI
46AQI
18th April 2025
55AQI
55AQI
19th April 2025
51AQI
51AQI
20th April 2025
37AQI
37AQI
21st April 2025
44AQI
44AQI
22nd April 2025
33AQI
33AQI
23rd April 2025
33AQI
33AQI
24th April 2025
38AQI
38AQI
25th April 2025
52AQI
52AQI
26th April 2025
53AQI
53AQI
27th April 2025
51AQI
51AQI
28th April 2025
50AQI
50AQI
29th April 2025
50AQI
50AQI
30th April 2025
51AQI
51AQI
1st May 2025
46AQI
46AQI
2nd May 2025
38AQI
38AQI
3rd May 2025
44AQI
44AQI
4th May 2025
41AQI
41AQI
5th May 2025
41AQI
41AQI
6th May 2025
32AQI
32AQI
7th May 2025
35AQI
35AQI
8th May 2025
37AQI
37AQI
9th May 2025
32AQI
32AQI
10th May 2025
38AQI
38AQI
11th May 2025
36AQI
36AQI
12th May 2025
50AQI
50AQI
13th May 2025
55AQI
55AQI
14th May 2025
58AQI
58AQI
15th May 2025
54AQI
54AQI
16th May 2025
50AQI
50AQI
17th May 2025
43AQI
43AQI
18th May 2025
50AQI
50AQI
19th May 2025
57AQI
57AQI
20th May 2025
58AQI
58AQI
21st May 2025
34AQI
34AQI
22nd May 2025
43AQI
43AQI
23rd May 2025
42AQI
42AQI
24th May 2025
30AQI
30AQI
25th May 2025
33AQI
33AQI
26th May 2025
33AQI
33AQI
27th May 2025
40AQI
40AQI
28th May 2025
38AQI
38AQI
29th May 2025
33AQI
33AQI
30th May 2025
40AQI
40AQI
31st May 2025
40AQI
40AQI
1st June 2025
47AQI
47AQI
2nd June 2025
48AQI
48AQI
3rd June 2025
33AQI
33AQI
4th June 2025
47AQI
47AQI
5th June 2025
46AQI
46AQI
6th June 2025
54AQI
54AQI
7th June 2025
56AQI
56AQI
8th June 2025
57AQI
57AQI
9th June 2025
32AQI
32AQI
10th June 2025
37AQI
37AQI
11th June 2025
34AQI
34AQI
12th June 2025
42AQI
42AQI
13th June 2025
42AQI
42AQI
14th June 2025
34AQI
34AQI
15th June 2025
30AQI
30AQI
16th June 2025
30AQI
30AQI
17th June 2025
35AQI
35AQI
18th June 2025
39AQI
39AQI
19th June 2025
41AQI
41AQI
20th June 2025
50AQI
50AQI
21st June 2025
49AQI
49AQI
22nd June 2025
42AQI
42AQI
23rd June 2025
38AQI
38AQI
24th June 2025
35AQI
35AQI
25th June 2025
35AQI
35AQI
26th June 2025
38AQI
38AQI
27th June 2025
39AQI
39AQI
28th June 2025
40AQI
40AQI
29th June 2025
42AQI
42AQI
30th June 2025
47AQI
47AQI
1st July 2025
53AQI
53AQI
2nd July 2025
73AQI
73AQI
3rd July 2025
94AQI
94AQI
4th July 2025
102AQI
102AQI
5th July 2025
96AQI
96AQI
6th July 2025
80AQI
80AQI
7th July 2025
71AQI
71AQI
8th July 2025
71AQI
71AQI
9th July 2025
76AQI
76AQI
10th July 2025
66AQI
66AQI
11th July 2025
54AQI
54AQI
12th July 2025
51AQI
51AQI
13th July 2025
47AQI
47AQI
14th July 2025
45AQI
45AQI
15th July 2025
53AQI
53AQI
16th July 2025
54AQI
54AQI
17th July 2025
45AQI
45AQI
18th July 2025
41AQI
41AQI
19th July 2025
39AQI
39AQI
20th July 2025
36AQI
36AQI
21st July 2025
32AQI
32AQI
22nd July 2025
31AQI
31AQI
23rd July 2025
30AQI
30AQI
24th July 2025
28AQI
28AQI
25th July 2025
26AQI
26AQI
26th July 2025
25AQI
25AQI
27th July 2025
26AQI
26AQI
28th July 2025
25AQI
25AQI
29th July 2025
25AQI
25AQI
30th July 2025
23AQI
23AQI
31st July 2025
28AQI
28AQI
1st August 2025
39AQI
39AQI
39AQI
37AQI
47AQI
45AQI
42AQI
41AQI
50AQI
39AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202543AQI
27
4
26
2
21
10
20
10
26
5
27
3
17
13
1
1
165
47
1
Highest AQI recorded in
July50AQI
Lowest AQI recorded in
February37AQI
202439AQI
30
1
26
3
25
6
26
3
1
24
7
27
3
25
6
14
17
21
9
31
27
3
31
307
58
1
Highest AQI recorded in
August49AQI
Lowest AQI recorded in
December32AQI
202341AQI
23
8
23
5
21
10
20
10
21
10
21
9
23
7
28
3
25
5
22
9
24
5
26
5
277
86
Highest AQI recorded in
April49AQI
Lowest AQI recorded in
August30AQI
202243AQI
26
4
18
3
18
13
20
10
18
13
22
8
15
6
1
23
5
27
4
22
8
31
241
74
Highest AQI recorded in
August50AQI
Lowest AQI recorded in
December36AQI
202139AQI
27
4
23
5
19
10
17
4
19
12
18
12
28
3
28
3
22
8
29
2
21
9
29
2
280
74
Highest AQI recorded in
May46AQI
Lowest AQI recorded in
August32AQI
202042AQI
8
5
13
8
13
5
18
12
26
5
12
18
1
17
2
27
4
27
3
25
6
186
68
1
Highest AQI recorded in
August59AQI
Lowest AQI recorded in
July37AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
43AQILeast Polluted Year Recorded
2021(Avg.)
39AQISaiki's annual 2025 AQI (43) shows an average percentage change of 5.5% (worsened AQI) compared to previous years: 2020 (42), 2021 (39), 2022 (43), 2023 (41), 2024 (39).
