Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Saganoseki, Usuki, 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

Saganoseki, Usuki, Oita, Japan

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
4th Aug 2024
73AQI
Lowest AQI recorded on
13th Aug 2021
17AQI

Same Day Analysis (5th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 44 of Good air quality, showing improvement over 2024 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 6th Aug - 7th Aug 2025

Saganoseki, Usuki, Oita, Japan

AQI
Day
Night
.

5 AM6th Aug 2025

7 PM

4 AM7th Aug 2025

Day time
Avg. Highest Time
12AMNaNth undefined

AQI

Avg. Lowest Time
12AMNaNth undefined

AQI

Night time
Avg. Highest Time
7AM6th Aug

49AQI

Avg. Lowest Time
3PM6th Aug

28AQI

In the last 24 hours,

Saganoseki's AQI reached its highest point of 49 at 7 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 6th Aug and 7th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Saganoseki, Usuki, Oita, Japan

JulAug
08th - 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 - 04th04th - 05th05th - 06th06th - 07th07th
Day
Night
8th Jul 2025745 AMAQI
8th Jul 2025746 AMAQI
8th Jul 2025747 AMAQI
8th Jul 2025748 AMAQI
8th Jul 2025579 AMAQI
8th Jul 20255510 AMAQI
8th Jul 20255711 AMAQI
8th Jul 20255812 PMAQI
8th Jul 2025581 PMAQI
8th Jul 2025562 PMAQI
8th Jul 2025573 PMAQI
8th Jul 2025604 PMAQI
8th Jul 2025665 PMAQI
8th Jul 2025706 PMAQI
8th Jul 2025747 PMAQI
8th Jul 2025728 PMAQI
8th Jul 2025749 PMAQI
8th Jul 20257310 PMAQI
8th Jul 20257211 PMAQI
9th Jul 20257412 AMAQI
9th Jul 2025751 AMAQI
9th Jul 2025742 AMAQI
9th Jul 2025743 AMAQI
9th Jul 2025734 AMAQI

27°C24/31°C

9th Jul 2025715 AMAQI
9th Jul 2025716 AMAQI
9th Jul 2025717 AMAQI
9th Jul 2025718 AMAQI
9th Jul 2025829 AMAQI
9th Jul 20258410 AMAQI
9th Jul 20258911 AMAQI
9th Jul 20259412 PMAQI
9th Jul 2025931 PMAQI
9th Jul 2025892 PMAQI
9th Jul 2025813 PMAQI
9th Jul 2025824 PMAQI
9th Jul 2025825 PMAQI
9th Jul 2025796 PMAQI
9th Jul 2025747 PMAQI
9th Jul 2025788 PMAQI
9th Jul 2025759 PMAQI
9th Jul 20257210 PMAQI
9th Jul 20257311 PMAQI
10th Jul 20257112 AMAQI
10th Jul 2025701 AMAQI
10th Jul 2025722 AMAQI
10th Jul 2025713 AMAQI
10th Jul 2025734 AMAQI

26°C24/30°C

10th Jul 2025745 AMAQI
10th Jul 2025746 AMAQI
10th Jul 2025747 AMAQI
10th Jul 2025738 AMAQI
10th Jul 2025699 AMAQI
10th Jul 20257210 AMAQI
10th Jul 20257611 AMAQI
10th Jul 20258512 PMAQI
10th Jul 2025911 PMAQI
10th Jul 2025962 PMAQI
10th Jul 2025953 PMAQI
10th Jul 2025964 PMAQI
10th Jul 2025925 PMAQI
10th Jul 2025906 PMAQI
10th Jul 2025887 PMAQI
10th Jul 2025728 PMAQI
10th Jul 2025629 PMAQI
10th Jul 20256010 PMAQI
10th Jul 20256011 PMAQI
11th Jul 20256012 AMAQI
11th Jul 2025641 AMAQI
11th Jul 2025702 AMAQI
11th Jul 2025703 AMAQI
11th Jul 2025704 AMAQI

26°C23/28°C

11th Jul 2025735 AMAQI
11th Jul 2025736 AMAQI
11th Jul 2025747 AMAQI
11th Jul 2025738 AMAQI
11th Jul 2025369 AMAQI
11th Jul 20252610 AMAQI
11th Jul 20252511 AMAQI
11th Jul 20252512 PMAQI
11th Jul 2025321 PMAQI
11th Jul 2025362 PMAQI
11th Jul 2025373 PMAQI
11th Jul 2025364 PMAQI
11th Jul 2025295 PMAQI
11th Jul 2025276 PMAQI
11th Jul 2025317 PMAQI
11th Jul 2025408 PMAQI
11th Jul 2025569 PMAQI
11th Jul 20255610 PMAQI
11th Jul 20255711 PMAQI
12th Jul 20255512 AMAQI
12th Jul 2025561 AMAQI
12th Jul 2025632 AMAQI
12th Jul 2025683 AMAQI
12th Jul 2025674 AMAQI

25°C24/28°C

12th Jul 2025635 AMAQI
12th Jul 2025636 AMAQI
12th Jul 2025637 AMAQI
12th Jul 2025648 AMAQI
12th Jul 2025319 AMAQI
12th Jul 20251910 AMAQI
12th Jul 20252211 AMAQI
12th Jul 20252812 PMAQI
12th Jul 2025431 PMAQI
12th Jul 2025502 PMAQI
12th Jul 2025543 PMAQI
12th Jul 2025484 PMAQI
12th Jul 2025495 PMAQI
12th Jul 2025426 PMAQI
12th Jul 2025307 PMAQI
12th Jul 2025358 PMAQI
12th Jul 2025529 PMAQI
12th Jul 20255410 PMAQI
12th Jul 20255211 PMAQI
13th Jul 20255312 AMAQI
13th Jul 2025581 AMAQI
13th Jul 2025622 AMAQI
13th Jul 2025633 AMAQI
13th Jul 2025624 AMAQI

26°C23/28°C

13th Jul 2025585 AMAQI
13th Jul 2025596 AMAQI
13th Jul 2025597 AMAQI
13th Jul 2025588 AMAQI
13th Jul 2025389 AMAQI
13th Jul 20252010 AMAQI
13th Jul 20251911 AMAQI
13th Jul 20252012 PMAQI
13th Jul 2025221 PMAQI
13th Jul 2025252 PMAQI
13th Jul 2025303 PMAQI
13th Jul 2025324 PMAQI
13th Jul 2025245 PMAQI
13th Jul 2025196 PMAQI
13th Jul 2025237 PMAQI
13th Jul 2025308 PMAQI
13th Jul 2025499 PMAQI
13th Jul 20255010 PMAQI
13th Jul 20254411 PMAQI
14th Jul 20254512 AMAQI
14th Jul 2025501 AMAQI
14th Jul 2025582 AMAQI
14th Jul 2025583 AMAQI
14th Jul 2025584 AMAQI

26°C24/29°C

14th Jul 2025545 AMAQI
14th Jul 2025556 AMAQI
14th Jul 2025547 AMAQI
14th Jul 2025558 AMAQI
14th Jul 2025289 AMAQI
14th Jul 20251910 AMAQI
14th Jul 20252311 AMAQI
14th Jul 20253012 PMAQI
14th Jul 2025341 PMAQI
14th Jul 2025322 PMAQI
14th Jul 2025273 PMAQI
14th Jul 2025244 PMAQI
14th Jul 2025225 PMAQI
14th Jul 2025236 PMAQI
14th Jul 2025257 PMAQI
14th Jul 2025308 PMAQI
14th Jul 2025489 PMAQI
14th Jul 20254410 PMAQI
14th Jul 20254711 PMAQI
15th Jul 20254812 AMAQI
15th Jul 2025501 AMAQI
15th Jul 2025552 AMAQI
15th Jul 2025553 AMAQI
15th Jul 2025544 AMAQI

25°C22/29°C

15th Jul 2025525 AMAQI
15th Jul 2025526 AMAQI
15th Jul 2025527 AMAQI
15th Jul 2025528 AMAQI
15th Jul 2025329 AMAQI
15th Jul 20252810 AMAQI
15th Jul 20253111 AMAQI
15th Jul 20253812 PMAQI
15th Jul 2025491 PMAQI
15th Jul 2025552 PMAQI
15th Jul 2025593 PMAQI
15th Jul 2025604 PMAQI
15th Jul 2025625 PMAQI
15th Jul 2025626 PMAQI
15th Jul 2025737 PMAQI
15th Jul 2025708 PMAQI
15th Jul 2025619 PMAQI
15th Jul 20255910 PMAQI
15th Jul 20255811 PMAQI
16th Jul 20255612 AMAQI
16th Jul 2025541 AMAQI
16th Jul 2025532 AMAQI
16th Jul 2025523 AMAQI
16th Jul 2025524 AMAQI

25°C21/30°C

16th Jul 2025525 AMAQI
16th Jul 2025526 AMAQI
16th Jul 2025527 AMAQI
16th Jul 2025528 AMAQI
16th Jul 2025399 AMAQI
16th Jul 20253710 AMAQI
16th Jul 20254211 AMAQI
16th Jul 20254912 PMAQI
16th Jul 2025621 PMAQI
16th Jul 2025672 PMAQI
16th Jul 2025643 PMAQI
16th Jul 2025624 PMAQI
16th Jul 2025595 PMAQI
16th Jul 2025546 PMAQI
16th Jul 2025537 PMAQI
16th Jul 2025528 PMAQI
16th Jul 2025529 PMAQI
16th Jul 20255510 PMAQI
16th Jul 20255411 PMAQI
17th Jul 20255412 AMAQI
17th Jul 2025541 AMAQI
17th Jul 2025532 AMAQI
17th Jul 2025533 AMAQI
17th Jul 2025524 AMAQI

25°C21/30°C

17th Jul 2025525 AMAQI
17th Jul 2025536 AMAQI
17th Jul 2025537 AMAQI
17th Jul 2025538 AMAQI
17th Jul 2025329 AMAQI
17th Jul 20252410 AMAQI
17th Jul 20252311 AMAQI
17th Jul 20253012 PMAQI
17th Jul 2025341 PMAQI
17th Jul 2025322 PMAQI
17th Jul 2025323 PMAQI
17th Jul 2025264 PMAQI
17th Jul 2025315 PMAQI
17th Jul 2025316 PMAQI
17th Jul 2025227 PMAQI
17th Jul 2025318 PMAQI
17th Jul 2025429 PMAQI
17th Jul 20254010 PMAQI
17th Jul 20253911 PMAQI
18th Jul 20254012 AMAQI
18th Jul 2025471 AMAQI
18th Jul 2025532 AMAQI
18th Jul 2025533 AMAQI
18th Jul 2025534 AMAQI

26°C24/30°C

18th Jul 2025525 AMAQI
18th Jul 2025526 AMAQI
18th Jul 2025527 AMAQI
18th Jul 2025528 AMAQI
18th Jul 2025329 AMAQI
18th Jul 20252210 AMAQI
18th Jul 20251711 AMAQI
18th Jul 20251712 PMAQI
18th Jul 2025201 PMAQI
18th Jul 2025222 PMAQI
18th Jul 2025273 PMAQI
18th Jul 2025264 PMAQI
18th Jul 2025245 PMAQI
18th Jul 2025276 PMAQI
18th Jul 2025237 PMAQI
18th Jul 2025278 PMAQI
18th Jul 2025369 PMAQI
18th Jul 20253810 PMAQI
18th Jul 20253911 PMAQI
19th Jul 20254012 AMAQI
19th Jul 2025461 AMAQI
19th Jul 2025512 AMAQI
19th Jul 2025513 AMAQI
19th Jul 2025494 AMAQI

25°C24/25°C

19th Jul 2025455 AMAQI
19th Jul 2025446 AMAQI
19th Jul 2025447 AMAQI
19th Jul 2025458 AMAQI
19th Jul 2025249 AMAQI
19th Jul 20252010 AMAQI
19th Jul 20253011 AMAQI
19th Jul 20253212 PMAQI
19th Jul 2025271 PMAQI
19th Jul 2025282 PMAQI
19th Jul 2025333 PMAQI
19th Jul 2025324 PMAQI
19th Jul 2025265 PMAQI
19th Jul 2025276 PMAQI
19th Jul 2025307 PMAQI
19th Jul 2025338 PMAQI
19th Jul 2025349 PMAQI
19th Jul 20253410 PMAQI
19th Jul 20253611 PMAQI
20th Jul 20253512 AMAQI
20th Jul 2025411 AMAQI
20th Jul 2025462 AMAQI
20th Jul 2025463 AMAQI
20th Jul 2025454 AMAQI

26°C23/29°C

20th Jul 2025435 AMAQI
20th Jul 2025436 AMAQI
20th Jul 2025437 AMAQI
20th Jul 2025428 AMAQI
20th Jul 2025289 AMAQI
20th Jul 20251610 AMAQI
20th Jul 20251611 AMAQI
20th Jul 20252312 PMAQI
20th Jul 2025301 PMAQI
20th Jul 2025242 PMAQI
20th Jul 2025253 PMAQI
20th Jul 2025284 PMAQI
20th Jul 2025235 PMAQI
20th Jul 2025226 PMAQI
20th Jul 2025237 PMAQI
20th Jul 2025238 PMAQI
20th Jul 2025299 PMAQI
20th Jul 20253010 PMAQI
20th Jul 20253311 PMAQI
21st Jul 20253812 AMAQI
21st Jul 2025401 AMAQI
21st Jul 2025422 AMAQI
21st Jul 2025423 AMAQI
21st Jul 2025414 AMAQI

26°C24/29°C

21st Jul 2025385 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025397 AMAQI
21st Jul 2025388 AMAQI
21st Jul 2025229 AMAQI
21st Jul 20252110 AMAQI
21st Jul 20252211 AMAQI
21st Jul 20251612 PMAQI
21st Jul 2025181 PMAQI
21st Jul 2025192 PMAQI
21st Jul 2025223 PMAQI
21st Jul 2025214 PMAQI
21st Jul 2025265 PMAQI
21st Jul 2025276 PMAQI
21st Jul 2025247 PMAQI
21st Jul 2025268 PMAQI
21st Jul 2025339 PMAQI
21st Jul 20253310 PMAQI
21st Jul 20253111 PMAQI
22nd Jul 20253112 AMAQI
22nd Jul 2025371 AMAQI
22nd Jul 2025402 AMAQI
22nd Jul 2025403 AMAQI
22nd Jul 2025384 AMAQI

26°C23/30°C

22nd Jul 2025355 AMAQI
22nd Jul 2025356 AMAQI
22nd Jul 2025357 AMAQI
22nd Jul 2025358 AMAQI
22nd Jul 2025249 AMAQI
22nd Jul 20252310 AMAQI
22nd Jul 20252111 AMAQI
22nd Jul 20252412 PMAQI
22nd Jul 2025261 PMAQI
22nd Jul 2025242 PMAQI
22nd Jul 2025193 PMAQI
22nd Jul 2025204 PMAQI
22nd Jul 2025235 PMAQI
22nd Jul 2025256 PMAQI
22nd Jul 2025267 PMAQI
22nd Jul 2025358 PMAQI
22nd Jul 2025249 PMAQI
22nd Jul 20252610 PMAQI
22nd Jul 20252711 PMAQI
23rd Jul 20252612 AMAQI
23rd Jul 2025301 AMAQI
23rd Jul 2025362 AMAQI
23rd Jul 2025363 AMAQI
23rd Jul 2025354 AMAQI

26°C23/30°C

23rd Jul 2025335 AMAQI
23rd Jul 2025336 AMAQI
23rd Jul 2025337 AMAQI
23rd Jul 2025338 AMAQI
23rd Jul 2025229 AMAQI
23rd Jul 20252010 AMAQI
23rd Jul 20252211 AMAQI
23rd Jul 20252112 PMAQI
23rd Jul 2025191 PMAQI
23rd Jul 2025192 PMAQI
23rd Jul 2025243 PMAQI
23rd Jul 2025244 PMAQI
23rd Jul 2025225 PMAQI
23rd Jul 2025226 PMAQI
23rd Jul 2025267 PMAQI
23rd Jul 2025268 PMAQI
23rd Jul 2025289 PMAQI
23rd Jul 20252510 PMAQI
23rd Jul 20252811 PMAQI
24th Jul 20252612 AMAQI
24th Jul 2025281 AMAQI
24th Jul 2025332 AMAQI
24th Jul 2025333 AMAQI
24th Jul 2025324 AMAQI

26°C23/31°C

24th Jul 2025315 AMAQI
24th Jul 2025306 AMAQI
24th Jul 2025317 AMAQI
24th Jul 2025318 AMAQI
24th Jul 2025209 AMAQI
24th Jul 20252210 AMAQI
24th Jul 20252211 AMAQI
24th Jul 20253012 PMAQI
24th Jul 2025321 PMAQI
24th Jul 2025222 PMAQI
24th Jul 2025193 PMAQI
24th Jul 2025204 PMAQI
24th Jul 2025215 PMAQI
24th Jul 2025216 PMAQI
24th Jul 2025197 PMAQI
24th Jul 2025218 PMAQI
24th Jul 2025239 PMAQI
24th Jul 20252210 PMAQI
24th Jul 20252411 PMAQI
25th Jul 20252812 AMAQI
25th Jul 2025271 AMAQI
25th Jul 2025302 AMAQI
25th Jul 2025313 AMAQI
25th Jul 2025314 AMAQI

27°C24/30°C

25th Jul 2025285 AMAQI
25th Jul 2025286 AMAQI
25th Jul 2025307 AMAQI
25th Jul 2025308 AMAQI
25th Jul 2025209 AMAQI
25th Jul 20251710 AMAQI
25th Jul 20251811 AMAQI
25th Jul 20252112 PMAQI
25th Jul 2025201 PMAQI
25th Jul 2025162 PMAQI
25th Jul 2025193 PMAQI
25th Jul 2025204 PMAQI
25th Jul 2025195 PMAQI
25th Jul 2025216 PMAQI
25th Jul 2025217 PMAQI
25th Jul 2025228 PMAQI
25th Jul 2025249 PMAQI
25th Jul 20252210 PMAQI
25th Jul 20252411 PMAQI
26th Jul 20252612 AMAQI
26th Jul 2025271 AMAQI
26th Jul 2025302 AMAQI
26th Jul 2025293 AMAQI
26th Jul 2025284 AMAQI

26°C24/28°C

26th Jul 2025275 AMAQI
26th Jul 2025266 AMAQI
26th Jul 2025277 AMAQI
26th Jul 2025278 AMAQI
26th Jul 2025199 AMAQI
26th Jul 20251610 AMAQI
26th Jul 20251711 AMAQI
26th Jul 20252112 PMAQI
26th Jul 2025231 PMAQI
26th Jul 2025222 PMAQI
26th Jul 2025183 PMAQI
26th Jul 2025214 PMAQI
26th Jul 2025205 PMAQI
26th Jul 2025206 PMAQI
26th Jul 2025267 PMAQI
26th Jul 2025308 PMAQI
26th Jul 2025279 PMAQI
26th Jul 20252410 PMAQI
26th Jul 20252411 PMAQI
27th Jul 20252212 AMAQI
27th Jul 2025241 AMAQI
27th Jul 2025272 AMAQI
27th Jul 2025283 AMAQI
27th Jul 2025284 AMAQI

26°C24/28°C

27th Jul 2025265 AMAQI
27th Jul 2025266 AMAQI
27th Jul 2025267 AMAQI
27th Jul 2025268 AMAQI
27th Jul 2025249 AMAQI
27th Jul 20251810 AMAQI
27th Jul 20252311 AMAQI
27th Jul 20252112 PMAQI
27th Jul 2025191 PMAQI
27th Jul 2025172 PMAQI
27th Jul 2025183 PMAQI
27th Jul 2025214 PMAQI
27th Jul 2025225 PMAQI
27th Jul 2025186 PMAQI
27th Jul 2025237 PMAQI
27th Jul 2025278 PMAQI
27th Jul 2025269 PMAQI
27th Jul 20252310 PMAQI
27th Jul 20252411 PMAQI
28th Jul 20252612 AMAQI
28th Jul 2025231 AMAQI
28th Jul 2025242 AMAQI
28th Jul 2025273 AMAQI
28th Jul 2025274 AMAQI

26°C24/28°C

28th Jul 2025255 AMAQI
28th Jul 2025266 AMAQI
28th Jul 2025257 AMAQI
28th Jul 2025268 AMAQI
28th Jul 2025209 AMAQI
28th Jul 20252010 AMAQI
28th Jul 20252611 AMAQI
28th Jul 20252712 PMAQI
28th Jul 2025241 PMAQI
28th Jul 2025242 PMAQI
28th Jul 2025223 PMAQI
28th Jul 2025214 PMAQI
28th Jul 2025235 PMAQI
28th Jul 2025206 PMAQI
28th Jul 2025217 PMAQI
28th Jul 2025268 PMAQI
28th Jul 2025299 PMAQI
28th Jul 20252410 PMAQI
28th Jul 20252011 PMAQI
29th Jul 20252212 AMAQI
29th Jul 2025231 AMAQI
29th Jul 2025262 AMAQI
29th Jul 2025263 AMAQI
29th Jul 2025264 AMAQI

26°C23/30°C

29th Jul 2025255 AMAQI
29th Jul 2025256 AMAQI
29th Jul 2025257 AMAQI
29th Jul 2025258 AMAQI
29th Jul 2025209 AMAQI
29th Jul 20252010 AMAQI
29th Jul 20251711 AMAQI
29th Jul 20251612 PMAQI
29th Jul 2025171 PMAQI
29th Jul 2025172 PMAQI
29th Jul 2025243 PMAQI
29th Jul 2025204 PMAQI
29th Jul 2025195 PMAQI
29th Jul 2025206 PMAQI
29th Jul 2025207 PMAQI
29th Jul 2025238 PMAQI
29th Jul 2025269 PMAQI
29th Jul 20252010 PMAQI
29th Jul 20252111 PMAQI
30th Jul 20252312 AMAQI
30th Jul 2025221 AMAQI
30th Jul 2025252 AMAQI
30th Jul 2025263 AMAQI
30th Jul 2025244 AMAQI

26°C23/30°C

30th Jul 2025245 AMAQI
30th Jul 2025246 AMAQI
30th Jul 2025247 AMAQI
30th Jul 2025248 AMAQI
30th Jul 2025189 AMAQI
30th Jul 20251710 AMAQI
30th Jul 20251811 AMAQI
30th Jul 20252412 PMAQI
30th Jul 2025271 PMAQI
30th Jul 2025282 PMAQI
30th Jul 2025183 PMAQI
30th Jul 2025174 PMAQI
30th Jul 2025185 PMAQI
30th Jul 2025196 PMAQI
30th Jul 2025167 PMAQI
30th Jul 2025168 PMAQI
30th Jul 2025229 PMAQI
30th Jul 20252310 PMAQI
30th Jul 20252411 PMAQI
31st Jul 20252312 AMAQI
31st Jul 2025231 AMAQI
31st Jul 2025242 AMAQI
31st Jul 2025243 AMAQI
31st Jul 2025234 AMAQI

25°C22/30°C

31st Jul 2025235 AMAQI
31st Jul 2025236 AMAQI
31st Jul 2025237 AMAQI
31st Jul 2025238 AMAQI
31st Jul 2025239 AMAQI
31st Jul 20252310 AMAQI
31st Jul 20252611 AMAQI
31st Jul 20252912 PMAQI
31st Jul 2025291 PMAQI
31st Jul 2025282 PMAQI
31st Jul 2025243 PMAQI
31st Jul 2025234 PMAQI
31st Jul 2025285 PMAQI
31st Jul 2025316 PMAQI
31st Jul 2025347 PMAQI
31st Jul 2025348 PMAQI
31st Jul 2025419 PMAQI
31st Jul 20253910 PMAQI
31st Jul 20254011 PMAQI
1st Aug 20253112 AMAQI
1st Aug 2025321 AMAQI
1st Aug 2025312 AMAQI
1st Aug 2025293 AMAQI
1st Aug 2025284 AMAQI

26°C22/31°C

1st Aug 2025295 AMAQI
1st Aug 2025296 AMAQI
1st Aug 2025327 AMAQI
1st Aug 2025318 AMAQI
1st Aug 2025429 AMAQI
1st Aug 20254210 AMAQI
1st Aug 20255611 AMAQI
1st Aug 20255312 PMAQI
1st Aug 2025531 PMAQI
1st Aug 2025442 PMAQI
1st Aug 2025503 PMAQI
1st Aug 2025524 PMAQI
1st Aug 2025535 PMAQI
1st Aug 2025546 PMAQI
1st Aug 2025487 PMAQI
1st Aug 2025448 PMAQI
1st Aug 2025359 PMAQI
1st Aug 20253710 PMAQI
1st Aug 20254011 PMAQI
2nd Aug 20253712 AMAQI
2nd Aug 2025361 AMAQI
2nd Aug 2025332 AMAQI
2nd Aug 2025313 AMAQI
2nd Aug 2025344 AMAQI

27°C23/32°C

2nd Aug 2025375 AMAQI
2nd Aug 2025396 AMAQI
2nd Aug 2025377 AMAQI
2nd Aug 2025378 AMAQI
2nd Aug 2025469 AMAQI
2nd Aug 20254610 AMAQI
2nd Aug 20254911 AMAQI
2nd Aug 20255612 PMAQI
2nd Aug 2025551 PMAQI
2nd Aug 2025492 PMAQI
2nd Aug 2025523 PMAQI
2nd Aug 2025514 PMAQI
2nd Aug 2025515 PMAQI
2nd Aug 2025486 PMAQI
2nd Aug 2025467 PMAQI
2nd Aug 2025488 PMAQI
2nd Aug 2025429 PMAQI
2nd Aug 20254010 PMAQI
2nd Aug 20254611 PMAQI
3rd Aug 20253912 AMAQI
3rd Aug 2025401 AMAQI
3rd Aug 2025382 AMAQI
3rd Aug 2025373 AMAQI
3rd Aug 2025404 AMAQI

28°C24/32°C

3rd Aug 2025425 AMAQI
3rd Aug 2025406 AMAQI
3rd Aug 2025447 AMAQI
3rd Aug 2025438 AMAQI
3rd Aug 2025409 AMAQI
3rd Aug 20253910 AMAQI
3rd Aug 20254611 AMAQI
3rd Aug 20254912 PMAQI
3rd Aug 2025561 PMAQI
3rd Aug 2025542 PMAQI
3rd Aug 2025483 PMAQI
3rd Aug 2025554 PMAQI
3rd Aug 2025435 PMAQI
3rd Aug 2025496 PMAQI
3rd Aug 2025547 PMAQI
3rd Aug 2025478 PMAQI
3rd Aug 2025469 PMAQI
3rd Aug 20254710 PMAQI
3rd Aug 20254311 PMAQI
4th Aug 20254612 AMAQI
4th Aug 2025421 AMAQI
4th Aug 2025412 AMAQI
4th Aug 2025403 AMAQI
4th Aug 2025434 AMAQI

28°C24/32°C

4th Aug 2025445 AMAQI
4th Aug 2025446 AMAQI
4th Aug 2025457 AMAQI
4th Aug 2025448 AMAQI
4th Aug 2025559 AMAQI
4th Aug 20254810 AMAQI
4th Aug 20255011 AMAQI
4th Aug 20255912 PMAQI
4th Aug 2025591 PMAQI
4th Aug 2025542 PMAQI
4th Aug 2025543 PMAQI
4th Aug 2025404 PMAQI
4th Aug 2025495 PMAQI
4th Aug 2025406 PMAQI
4th Aug 2025437 PMAQI
4th Aug 2025488 PMAQI
4th Aug 2025409 PMAQI
4th Aug 20253810 PMAQI
4th Aug 20254311 PMAQI
5th Aug 20254212 AMAQI
5th Aug 2025461 AMAQI
5th Aug 2025442 AMAQI
5th Aug 2025433 AMAQI
5th Aug 2025484 AMAQI

27°C24/32°C

5th Aug 2025485 AMAQI
5th Aug 2025456 AMAQI
5th Aug 2025507 AMAQI
5th Aug 2025508 AMAQI
5th Aug 2025409 AMAQI
5th Aug 20254210 AMAQI
5th Aug 20254011 AMAQI
5th Aug 20254212 PMAQI
5th Aug 2025421 PMAQI
5th Aug 2025512 PMAQI
5th Aug 2025333 PMAQI
5th Aug 2025474 PMAQI
5th Aug 2025395 PMAQI
5th Aug 2025436 PMAQI
5th Aug 2025327 PMAQI
5th Aug 2025428 PMAQI
5th Aug 2025419 PMAQI
5th Aug 20254010 PMAQI
5th Aug 20253711 PMAQI
6th Aug 20254012 AMAQI
6th Aug 2025471 AMAQI
6th Aug 2025502 AMAQI
6th Aug 2025473 AMAQI
6th Aug 2025484 AMAQI

28°C24/33°C

6th Aug 2025485 AMAQI
6th Aug 2025466 AMAQI
6th Aug 2025497 AMAQI
6th Aug 2025478 AMAQI
6th Aug 2025309 AMAQI
6th Aug 20253010 AMAQI
6th Aug 20253911 AMAQI
6th Aug 20253412 PMAQI
6th Aug 2025361 PMAQI
6th Aug 2025292 PMAQI
6th Aug 2025283 PMAQI
6th Aug 2025404 PMAQI
6th Aug 2025385 PMAQI
6th Aug 2025486 PMAQI
6th Aug 2025447 PMAQI
6th Aug 2025438 PMAQI
6th Aug 2025449 PMAQI
6th Aug 20254310 PMAQI
6th Aug 20254411 PMAQI
7th Aug 20254412 AMAQI

--°C/°C

5 AM
12 PM
7 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 8 AM

44AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
10 AM

30AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 44), while the lowest AQI was between 10 AM to 10 AM (Avg. 30).
Night time
Avg. Highest Time
12 AM - 4 AM

44AQI

5 hours / Day
150 hours / Month
Avg. Lowest Time
8 PM

38AQI

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. 44), while the lowest AQI was between 8 PM to 8 PM (Avg. 38).

2025 Days Vs Air Quality

Saganoseki, Usuki, Oita, Japan

2025

77%

168

23%

49

Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)

Good
168 Days
Moderate
49 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 77%

Health Risk Level:

Low

In 2025, 77% of 218 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

Saganoseki, Usuki, 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
2nd January 2025
35AQI
3rd January 2025
33AQI
4th January 2025
28AQI
5th January 2025
28AQI
6th January 2025
40AQI
7th January 2025
31AQI
8th January 2025
34AQI
9th January 2025
28AQI
10th January 2025
30AQI
11th January 2025
28AQI
12th January 2025
30AQI
13th January 2025
38AQI
14th January 2025
41AQI
15th January 2025
38AQI
16th January 2025
33AQI
17th January 2025
38AQI
18th January 2025
30AQI
19th January 2025
41AQI
20th January 2025
37AQI
21st January 2025
54AQI
22nd January 2025
61AQI
23rd January 2025
63AQI
24th January 2025
69AQI
25th January 2025
45AQI
26th January 2025
43AQI
27th January 2025
34AQI
28th January 2025
35AQI
29th January 2025
31AQI
30th January 2025
34AQI
31st January 2025
40AQI
1st February 2025
44AQI
2nd February 2025
32AQI
3rd February 2025
44AQI
4th February 2025
32AQI
5th February 2025
37AQI
6th February 2025
32AQI
7th February 2025
31AQI
8th February 2025
31AQI
9th February 2025
31AQI
10th February 2025
31AQI
11th February 2025
33AQI
12th February 2025
31AQI
13th February 2025
32AQI
14th February 2025
34AQI
15th February 2025
31AQI
16th February 2025
36AQI
17th February 2025
41AQI
18th February 2025
33AQI
19th February 2025
35AQI
20th February 2025
31AQI
21st February 2025
32AQI
22nd February 2025
35AQI
23rd February 2025
34AQI
24th February 2025
35AQI
25th February 2025
34AQI
26th February 2025
41AQI
27th February 2025
53AQI
28th February 2025
53AQI
1st March 2025
70AQI
2nd March 2025
71AQI
3rd March 2025
47AQI
4th March 2025
37AQI
5th March 2025
30AQI
6th March 2025
37AQI
7th March 2025
31AQI
8th March 2025
36AQI
9th March 2025
36AQI
10th March 2025
39AQI
11th March 2025
44AQI
12th March 2025
47AQI
13th March 2025
53AQI
14th March 2025
34AQI
15th March 2025
39AQI
16th March 2025
22AQI
17th March 2025
43AQI
18th March 2025
30AQI
19th March 2025
39AQI
20th March 2025
41AQI
21st March 2025
51AQI
22nd March 2025
56AQI
23rd March 2025
58AQI
24th March 2025
52AQI
25th March 2025
67AQI
26th March 2025
66AQI
27th March 2025
54AQI
28th March 2025
59AQI
29th March 2025
47AQI
30th March 2025
37AQI
31st March 2025
34AQI
1st April 2025
38AQI
2nd April 2025
34AQI
3rd April 2025
28AQI
4th April 2025
31AQI
5th April 2025
38AQI
6th April 2025
44AQI
7th April 2025
37AQI
8th April 2025
36AQI
9th April 2025
53AQI
10th April 2025
50AQI
11th April 2025
56AQI
12th April 2025
53AQI
13th April 2025
44AQI
14th April 2025
48AQI
15th April 2025
28AQI
16th April 2025
42AQI
17th April 2025
46AQI
18th April 2025
55AQI
19th April 2025
51AQI
20th April 2025
38AQI
21st April 2025
44AQI
22nd April 2025
38AQI
23rd April 2025
29AQI
24th April 2025
39AQI
25th April 2025
53AQI
26th April 2025
52AQI
27th April 2025
49AQI
28th April 2025
46AQI
29th April 2025
46AQI
30th April 2025
50AQI
1st May 2025
46AQI
2nd May 2025
40AQI
3rd May 2025
43AQI
4th May 2025
37AQI
5th May 2025
38AQI
6th May 2025
34AQI
7th May 2025
31AQI
8th May 2025
35AQI
9th May 2025
34AQI
10th May 2025
36AQI
11th May 2025
36AQI
12th May 2025
48AQI
13th May 2025
53AQI
14th May 2025
58AQI
15th May 2025
54AQI
16th May 2025
48AQI
17th May 2025
42AQI
18th May 2025
52AQI
19th May 2025
56AQI
20th May 2025
56AQI
21st May 2025
37AQI
22nd May 2025
43AQI
23rd May 2025
42AQI
24th May 2025
34AQI
25th May 2025
29AQI
26th May 2025
31AQI
27th May 2025
39AQI
28th May 2025
36AQI
29th May 2025
39AQI
30th May 2025
39AQI
31st May 2025
36AQI
1st June 2025
45AQI
2nd June 2025
49AQI
3rd June 2025
30AQI
4th June 2025
43AQI
5th June 2025
40AQI
6th June 2025
52AQI
7th June 2025
54AQI
8th June 2025
57AQI
9th June 2025
38AQI
10th June 2025
33AQI
11th June 2025
42AQI
12th June 2025
45AQI
13th June 2025
45AQI
14th June 2025
34AQI
15th June 2025
30AQI
16th June 2025
31AQI
17th June 2025
37AQI
18th June 2025
44AQI
19th June 2025
42AQI
20th June 2025
55AQI
21st June 2025
52AQI
22nd June 2025
46AQI
23rd June 2025
42AQI
24th June 2025
38AQI
25th June 2025
38AQI
26th June 2025
47AQI
27th June 2025
49AQI
28th June 2025
49AQI
29th June 2025
51AQI
30th June 2025
53AQI
1st July 2025
56AQI
2nd July 2025
75AQI
3rd July 2025
94AQI
4th July 2025
97AQI
5th July 2025
90AQI
6th July 2025
73AQI
7th July 2025
64AQI
8th July 2025
69AQI
9th July 2025
78AQI
10th July 2025
76AQI
11th July 2025
50AQI
12th July 2025
49AQI
13th July 2025
41AQI
14th July 2025
40AQI
15th July 2025
54AQI
16th July 2025
53AQI
17th July 2025
40AQI
18th July 2025
36AQI
19th July 2025
36AQI
20th July 2025
32AQI
21st July 2025
31AQI
22nd July 2025
29AQI
23rd July 2025
27AQI
24th July 2025
26AQI
25th July 2025
24AQI
26th July 2025
24AQI
27th July 2025
24AQI
28th July 2025
24AQI
29th July 2025
22AQI
30th July 2025
22AQI
31st July 2025
28AQI
1st August 2025
40AQI
2nd August 2025
43AQI
3rd August 2025
45AQI
4th August 2025
46AQI
5th August 2025
44AQI

38AQI

36AQI

45AQI

43AQI

41AQI

44AQI

48AQI

44AQI

No. of days

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

202542AQI

27
4
26
2
20
11
23
7
25
6
23
7
19
12
5
168
49

Highest AQI recorded in

July

48AQI

Lowest AQI recorded in

February

36AQI

202439AQI

30
1
24
5
26
5
20
10
25
6
27
3
29
2
18
13
24
6
31
25
5
31
310
56

Highest AQI recorded in

April

50AQI

Lowest AQI recorded in

December

31AQI

202342AQI

26
5
24
4
20
11
10
20
21
10
21
9
27
3
29
2
27
3
26
5
23
5
26
5
280
82

Highest AQI recorded in

April

53AQI

Lowest AQI recorded in

August

31AQI

202242AQI

27
4
19
2
20
11
21
9
21
10
24
6
14
8
1
25
3
27
4
21
9
30
1
250
67

Highest AQI recorded in

May

50AQI

Lowest AQI recorded in

December

35AQI

202141AQI

24
7
16
12
21
8
17
4
22
9
16
14
24
7
28
3
24
6
25
6
20
10
28
3
265
89

Highest AQI recorded in

June

49AQI

Lowest AQI recorded in

August

33AQI

202044AQI

5
8
12
9
11
7
17
13
25
6
15
15
1
17
2
28
3
27
3
26
5
183
71
1

Highest AQI recorded in

August

60AQI

Lowest AQI recorded in

December

36AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2020(Avg.)
44AQI
Least Polluted Year Recorded
2024(Avg.)
39AQI

Saganoseki's annual 2025 AQI (42) shows an average percentage change of 2.1% (worsened AQI) compared to previous years: 2020 (44), 2021 (41), 2022 (42), 2023 (42), 2024 (39).