Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Tsukumiura, 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+

July Air Quality Analysis

Tsukumiura, Oita, Japan

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
4th Jul 2025
100AQI
Lowest AQI recorded on
26th Jul 2021
18AQI

Same Day Analysis (28th July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 24 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 29th Jul - 30th Jul 2025

Tsukumiura, Oita, Japan

AQI
Day
Night
.

5 AM29th Jul 2025

7 PM

4 AM30th Jul 2025

Day time
Avg. Highest Time
3PM29th Jul

26AQI

Avg. Lowest Time
5PM29th Jul

18AQI

Night time
Avg. Highest Time
2AM30th Jul

26AQI

Avg. Lowest Time
8PM29th Jul

20AQI

In the last 24 hours,

Tsukumiura's AQI reached its highest point of 26 at 3 PM during the Day, while the lowest point, 18, was recorded at 5 PM during the Day between 29th Jul and 30th Jul 2025.

Day & Night AQI Trend : Jun - Jul 2025

Tsukumiura, Oita, Japan

JunJul
30th - 01st01st - 02nd02nd - 03rd03rd - 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
Day
Night
30th Jun 2025405 AMAQI
30th Jun 2025406 AMAQI
30th Jun 2025407 AMAQI
30th Jun 2025398 AMAQI
30th Jun 2025429 AMAQI
30th Jun 20255410 AMAQI
30th Jun 20255511 AMAQI
30th Jun 20255612 PMAQI
30th Jun 2025571 PMAQI
30th Jun 2025522 PMAQI
30th Jun 2025583 PMAQI
30th Jun 2025484 PMAQI
30th Jun 2025555 PMAQI
30th Jun 2025546 PMAQI
30th Jun 2025617 PMAQI
30th Jun 2025588 PMAQI
30th Jun 2025509 PMAQI
30th Jun 20254610 PMAQI
30th Jun 20254611 PMAQI
1st Jul 20254812 AMAQI
1st Jul 2025471 AMAQI
1st Jul 2025432 AMAQI
1st Jul 2025423 AMAQI
1st Jul 2025464 AMAQI

26°C23/30°C

1st Jul 2025475 AMAQI
1st Jul 2025486 AMAQI
1st Jul 2025487 AMAQI
1st Jul 2025478 AMAQI
1st Jul 2025389 AMAQI
1st Jul 20255310 AMAQI
1st Jul 20255811 AMAQI
1st Jul 20256212 PMAQI
1st Jul 2025551 PMAQI
1st Jul 2025552 PMAQI
1st Jul 2025633 PMAQI
1st Jul 2025584 PMAQI
1st Jul 2025645 PMAQI
1st Jul 2025606 PMAQI
1st Jul 2025597 PMAQI
1st Jul 2025618 PMAQI
1st Jul 2025559 PMAQI
1st Jul 20255810 PMAQI
1st Jul 20256011 PMAQI
2nd Jul 20256412 AMAQI
2nd Jul 2025581 AMAQI
2nd Jul 2025482 AMAQI
2nd Jul 2025473 AMAQI
2nd Jul 2025494 AMAQI

26°C23/30°C

2nd Jul 2025505 AMAQI
2nd Jul 2025516 AMAQI
2nd Jul 2025517 AMAQI
2nd Jul 2025528 AMAQI
2nd Jul 2025749 AMAQI
2nd Jul 20257910 AMAQI
2nd Jul 20258511 AMAQI
2nd Jul 20257612 PMAQI
2nd Jul 2025701 PMAQI
2nd Jul 2025712 PMAQI
2nd Jul 2025703 PMAQI
2nd Jul 2025704 PMAQI
2nd Jul 2025755 PMAQI
2nd Jul 2025996 PMAQI
2nd Jul 20251227 PMAQI
2nd Jul 20251208 PMAQI
2nd Jul 20251279 PMAQI
2nd Jul 202512710 PMAQI
2nd Jul 202512711 PMAQI
3rd Jul 202512712 AMAQI
3rd Jul 20251271 AMAQI
3rd Jul 2025722 AMAQI
3rd Jul 2025533 AMAQI
3rd Jul 2025534 AMAQI

26°C24/29°C

3rd Jul 2025535 AMAQI
3rd Jul 2025536 AMAQI
3rd Jul 2025537 AMAQI
3rd Jul 2025538 AMAQI
3rd Jul 2025809 AMAQI
3rd Jul 202511210 AMAQI
3rd Jul 202511211 AMAQI
3rd Jul 202511212 PMAQI
3rd Jul 20251121 PMAQI
3rd Jul 20251122 PMAQI
3rd Jul 20251123 PMAQI
3rd Jul 20251124 PMAQI
3rd Jul 20251125 PMAQI
3rd Jul 20251106 PMAQI
3rd Jul 20251237 PMAQI
3rd Jul 20251208 PMAQI
3rd Jul 20251039 PMAQI
3rd Jul 202510210 PMAQI
3rd Jul 202510711 PMAQI
4th Jul 202510612 AMAQI
4th Jul 2025931 AMAQI
4th Jul 2025742 AMAQI
4th Jul 2025733 AMAQI
4th Jul 2025744 AMAQI

27°C24/30°C

4th Jul 2025765 AMAQI
4th Jul 2025786 AMAQI
4th Jul 2025777 AMAQI
4th Jul 2025778 AMAQI
4th Jul 20251079 AMAQI
4th Jul 202513810 AMAQI
4th Jul 202512711 AMAQI
4th Jul 202512712 PMAQI
4th Jul 20251221 PMAQI
4th Jul 20251162 PMAQI
4th Jul 20251043 PMAQI
4th Jul 20251084 PMAQI
4th Jul 20251045 PMAQI
4th Jul 20251016 PMAQI
4th Jul 20251187 PMAQI
4th Jul 20251118 PMAQI
4th Jul 2025969 PMAQI
4th Jul 202510310 PMAQI
4th Jul 202510211 PMAQI
5th Jul 20259812 AMAQI
5th Jul 2025891 AMAQI
5th Jul 2025802 AMAQI
5th Jul 2025813 AMAQI
5th Jul 2025834 AMAQI

26°C24/29°C

5th Jul 2025885 AMAQI
5th Jul 2025876 AMAQI
5th Jul 2025887 AMAQI
5th Jul 2025888 AMAQI
5th Jul 20251189 AMAQI
5th Jul 202511410 AMAQI
5th Jul 202510011 AMAQI
5th Jul 20259512 PMAQI
5th Jul 2025921 PMAQI
5th Jul 2025912 PMAQI
5th Jul 2025903 PMAQI
5th Jul 2025854 PMAQI
5th Jul 2025815 PMAQI
5th Jul 2025816 PMAQI
5th Jul 2025807 PMAQI
5th Jul 2025848 PMAQI
5th Jul 2025869 PMAQI
5th Jul 20258810 PMAQI
5th Jul 20258811 PMAQI
6th Jul 20258612 AMAQI
6th Jul 2025861 AMAQI
6th Jul 2025862 AMAQI
6th Jul 2025873 AMAQI
6th Jul 2025884 AMAQI

27°C23/30°C

6th Jul 2025895 AMAQI
6th Jul 2025886 AMAQI
6th Jul 2025907 AMAQI
6th Jul 2025898 AMAQI
6th Jul 2025789 AMAQI
6th Jul 20256610 AMAQI
6th Jul 20256311 AMAQI
6th Jul 20256312 PMAQI
6th Jul 2025641 PMAQI
6th Jul 2025532 PMAQI
6th Jul 2025503 PMAQI
6th Jul 2025414 PMAQI
6th Jul 2025525 PMAQI
6th Jul 2025566 PMAQI
6th Jul 2025467 PMAQI
6th Jul 2025588 PMAQI
6th Jul 2025719 PMAQI
6th Jul 20257310 PMAQI
6th Jul 20257511 PMAQI
7th Jul 20257312 AMAQI
7th Jul 2025761 AMAQI
7th Jul 2025862 AMAQI
7th Jul 2025853 AMAQI
7th Jul 2025844 AMAQI

26°C23/30°C

7th Jul 2025825 AMAQI
7th Jul 2025826 AMAQI
7th Jul 2025827 AMAQI
7th Jul 2025838 AMAQI
7th Jul 2025459 AMAQI
7th Jul 20253110 AMAQI
7th Jul 20253811 AMAQI
7th Jul 20254812 PMAQI
7th Jul 2025491 PMAQI
7th Jul 2025422 PMAQI
7th Jul 2025423 PMAQI
7th Jul 2025454 PMAQI
7th Jul 2025385 PMAQI
7th Jul 2025536 PMAQI
7th Jul 2025487 PMAQI
7th Jul 2025548 PMAQI
7th Jul 2025659 PMAQI
7th Jul 20256410 PMAQI
7th Jul 20256211 PMAQI
8th Jul 20256312 AMAQI
8th Jul 2025711 AMAQI
8th Jul 2025802 AMAQI
8th Jul 2025803 AMAQI
8th Jul 2025784 AMAQI

26°C23/30°C

8th Jul 2025745 AMAQI
8th Jul 2025736 AMAQI
8th Jul 2025747 AMAQI
8th Jul 2025748 AMAQI
8th Jul 2025599 AMAQI
8th Jul 20255210 AMAQI
8th Jul 20255111 AMAQI
8th Jul 20255912 PMAQI
8th Jul 2025621 PMAQI
8th Jul 2025602 PMAQI
8th Jul 2025563 PMAQI
8th Jul 2025604 PMAQI
8th Jul 2025675 PMAQI
8th Jul 2025686 PMAQI
8th Jul 2025667 PMAQI
8th Jul 2025638 PMAQI
8th Jul 2025649 PMAQI
8th Jul 20256710 PMAQI
8th Jul 20256911 PMAQI
9th Jul 20256912 AMAQI
9th Jul 2025731 AMAQI
9th Jul 2025742 AMAQI
9th Jul 2025743 AMAQI
9th Jul 2025724 AMAQI

27°C24/31°C

9th Jul 2025705 AMAQI
9th Jul 2025716 AMAQI
9th Jul 2025707 AMAQI
9th Jul 2025708 AMAQI
9th Jul 2025729 AMAQI
9th Jul 20257610 AMAQI
9th Jul 20257411 AMAQI
9th Jul 20258112 PMAQI
9th Jul 2025851 PMAQI
9th Jul 2025752 PMAQI
9th Jul 2025743 PMAQI
9th Jul 2025834 PMAQI
9th Jul 2025885 PMAQI
9th Jul 2025756 PMAQI
9th Jul 2025787 PMAQI
9th Jul 2025758 PMAQI
9th Jul 2025729 PMAQI
9th Jul 20257010 PMAQI
9th Jul 20256911 PMAQI
10th Jul 20256712 AMAQI
10th Jul 2025671 AMAQI
10th Jul 2025712 AMAQI
10th Jul 2025703 AMAQI
10th Jul 2025724 AMAQI

26°C24/30°C

10th Jul 2025735 AMAQI
10th Jul 2025736 AMAQI
10th Jul 2025727 AMAQI
10th Jul 2025728 AMAQI
10th Jul 2025569 AMAQI
10th Jul 20255710 AMAQI
10th Jul 20256711 AMAQI
10th Jul 20257512 PMAQI
10th Jul 2025721 PMAQI
10th Jul 2025752 PMAQI
10th Jul 2025843 PMAQI
10th Jul 2025904 PMAQI
10th Jul 2025765 PMAQI
10th Jul 2025616 PMAQI
10th Jul 2025487 PMAQI
10th Jul 2025478 PMAQI
10th Jul 2025609 PMAQI
10th Jul 20256010 PMAQI
10th Jul 20255811 PMAQI
11th Jul 20255812 AMAQI
11th Jul 2025641 AMAQI
11th Jul 2025702 AMAQI
11th Jul 2025703 AMAQI
11th Jul 2025704 AMAQI

26°C23/28°C

11th Jul 2025715 AMAQI
11th Jul 2025706 AMAQI
11th Jul 2025707 AMAQI
11th Jul 2025708 AMAQI
11th Jul 2025359 AMAQI
11th Jul 20252310 AMAQI
11th Jul 20252211 AMAQI
11th Jul 20252512 PMAQI
11th Jul 2025361 PMAQI
11th Jul 2025302 PMAQI
11th Jul 2025303 PMAQI
11th Jul 2025284 PMAQI
11th Jul 2025295 PMAQI
11th Jul 2025306 PMAQI
11th Jul 2025317 PMAQI
11th Jul 2025418 PMAQI
11th Jul 2025569 PMAQI
11th Jul 20255610 PMAQI
11th Jul 20255511 PMAQI
12th Jul 20255512 AMAQI
12th Jul 2025581 AMAQI
12th Jul 2025662 AMAQI
12th Jul 2025683 AMAQI
12th Jul 2025664 AMAQI

25°C24/28°C

12th Jul 2025625 AMAQI
12th Jul 2025636 AMAQI
12th Jul 2025627 AMAQI
12th Jul 2025638 AMAQI
12th Jul 2025289 AMAQI
12th Jul 20251810 AMAQI
12th Jul 20251911 AMAQI
12th Jul 20252312 PMAQI
12th Jul 2025361 PMAQI
12th Jul 2025382 PMAQI
12th Jul 2025383 PMAQI
12th Jul 2025304 PMAQI
12th Jul 2025415 PMAQI
12th Jul 2025456 PMAQI
12th Jul 2025307 PMAQI
12th Jul 2025328 PMAQI
12th Jul 2025489 PMAQI
12th Jul 20255310 PMAQI
12th Jul 20255311 PMAQI
13th Jul 20255312 AMAQI
13th Jul 2025561 AMAQI
13th Jul 2025602 AMAQI
13th Jul 2025623 AMAQI
13th Jul 2025604 AMAQI

26°C23/28°C

13th Jul 2025585 AMAQI
13th Jul 2025586 AMAQI
13th Jul 2025587 AMAQI
13th Jul 2025588 AMAQI
13th Jul 2025389 AMAQI
13th Jul 20252010 AMAQI
13th Jul 20252511 AMAQI
13th Jul 20252912 PMAQI
13th Jul 2025271 PMAQI
13th Jul 2025262 PMAQI
13th Jul 2025283 PMAQI
13th Jul 2025284 PMAQI
13th Jul 2025295 PMAQI
13th Jul 2025286 PMAQI
13th Jul 2025177 PMAQI
13th Jul 2025308 PMAQI
13th Jul 2025489 PMAQI
13th Jul 20255110 PMAQI
13th Jul 20254811 PMAQI
14th Jul 20254412 AMAQI
14th Jul 2025501 AMAQI
14th Jul 2025582 AMAQI
14th Jul 2025583 AMAQI
14th Jul 2025564 AMAQI

26°C24/29°C

14th Jul 2025545 AMAQI
14th Jul 2025546 AMAQI
14th Jul 2025547 AMAQI
14th Jul 2025548 AMAQI
14th Jul 2025289 AMAQI
14th Jul 20251810 AMAQI
14th Jul 20251811 AMAQI
14th Jul 20253312 PMAQI
14th Jul 2025381 PMAQI
14th Jul 2025242 PMAQI
14th Jul 2025213 PMAQI
14th Jul 2025204 PMAQI
14th Jul 2025215 PMAQI
14th Jul 2025236 PMAQI
14th Jul 2025207 PMAQI
14th Jul 2025318 PMAQI
14th Jul 2025479 PMAQI
14th Jul 20254710 PMAQI
14th Jul 20255011 PMAQI
15th Jul 20255212 AMAQI
15th Jul 2025511 AMAQI
15th Jul 2025542 AMAQI
15th Jul 2025543 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 20252611 AMAQI
15th Jul 20253212 PMAQI
15th Jul 2025451 PMAQI
15th Jul 2025542 PMAQI
15th Jul 2025483 PMAQI
15th Jul 2025434 PMAQI
15th Jul 2025525 PMAQI
15th Jul 2025586 PMAQI
15th Jul 2025577 PMAQI
15th Jul 2025648 PMAQI
15th Jul 2025569 PMAQI
15th Jul 20255410 PMAQI
15th Jul 20255311 PMAQI
16th Jul 20255112 AMAQI
16th Jul 2025511 AMAQI
16th Jul 2025522 AMAQI
16th Jul 2025523 AMAQI
16th Jul 2025524 AMAQI

25°C21/30°C

16th Jul 2025525 AMAQI
16th Jul 2025516 AMAQI
16th Jul 2025517 AMAQI
16th Jul 2025528 AMAQI
16th Jul 2025319 AMAQI
16th Jul 20252810 AMAQI
16th Jul 20254911 AMAQI
16th Jul 20255612 PMAQI
16th Jul 2025651 PMAQI
16th Jul 2025712 PMAQI
16th Jul 2025613 PMAQI
16th Jul 2025554 PMAQI
16th Jul 2025575 PMAQI
16th Jul 2025556 PMAQI
16th Jul 2025567 PMAQI
16th Jul 2025548 PMAQI
16th Jul 2025539 PMAQI
16th Jul 20255210 PMAQI
16th Jul 20255211 PMAQI
17th Jul 20255312 AMAQI
17th Jul 2025531 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025523 AMAQI
17th Jul 2025524 AMAQI

25°C21/30°C

17th Jul 2025525 AMAQI
17th Jul 2025526 AMAQI
17th Jul 2025527 AMAQI
17th Jul 2025528 AMAQI
17th Jul 2025299 AMAQI
17th Jul 20253410 AMAQI
17th Jul 20253911 AMAQI
17th Jul 20254412 PMAQI
17th Jul 2025401 PMAQI
17th Jul 2025342 PMAQI
17th Jul 2025323 PMAQI
17th Jul 2025304 PMAQI
17th Jul 2025325 PMAQI
17th Jul 2025306 PMAQI
17th Jul 2025267 PMAQI
17th Jul 2025358 PMAQI
17th Jul 2025439 PMAQI
17th Jul 20254110 PMAQI
17th Jul 20254011 PMAQI
18th Jul 20254212 AMAQI
18th Jul 2025471 AMAQI
18th Jul 2025502 AMAQI
18th Jul 2025523 AMAQI
18th Jul 2025524 AMAQI

26°C24/30°C

18th Jul 2025525 AMAQI
18th Jul 2025526 AMAQI
18th Jul 2025527 AMAQI
18th Jul 2025528 AMAQI
18th Jul 2025239 AMAQI
18th Jul 20251510 AMAQI
18th Jul 20252011 AMAQI
18th Jul 20252112 PMAQI
18th Jul 2025201 PMAQI
18th Jul 2025242 PMAQI
18th Jul 2025283 PMAQI
18th Jul 2025284 PMAQI
18th Jul 2025235 PMAQI
18th Jul 2025296 PMAQI
18th Jul 2025347 PMAQI
18th Jul 2025378 PMAQI
18th Jul 2025409 PMAQI
18th Jul 20254410 PMAQI
18th Jul 20254011 PMAQI
19th Jul 20254012 AMAQI
19th Jul 2025461 AMAQI
19th Jul 2025512 AMAQI
19th Jul 2025513 AMAQI
19th Jul 2025474 AMAQI

25°C24/25°C

19th Jul 2025445 AMAQI
19th Jul 2025446 AMAQI
19th Jul 2025447 AMAQI
19th Jul 2025448 AMAQI
19th Jul 2025269 AMAQI
19th Jul 20252810 AMAQI
19th Jul 20252911 AMAQI
19th Jul 20252912 PMAQI
19th Jul 2025271 PMAQI
19th Jul 2025262 PMAQI
19th Jul 2025283 PMAQI
19th Jul 2025254 PMAQI
19th Jul 2025185 PMAQI
19th Jul 2025236 PMAQI
19th Jul 2025277 PMAQI
19th Jul 2025318 PMAQI
19th Jul 2025389 PMAQI
19th Jul 20253510 PMAQI
19th Jul 20254011 PMAQI
20th Jul 20253712 AMAQI
20th Jul 2025381 AMAQI
20th Jul 2025432 AMAQI
20th Jul 2025463 AMAQI
20th Jul 2025444 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 20251811 AMAQI
20th Jul 20252212 PMAQI
20th Jul 2025241 PMAQI
20th Jul 2025242 PMAQI
20th Jul 2025233 PMAQI
20th Jul 2025224 PMAQI
20th Jul 2025225 PMAQI
20th Jul 2025216 PMAQI
20th Jul 2025187 PMAQI
20th Jul 2025238 PMAQI
20th Jul 2025299 PMAQI
20th Jul 20253410 PMAQI
20th Jul 20253411 PMAQI
21st Jul 20253212 AMAQI
21st Jul 2025361 AMAQI
21st Jul 2025422 AMAQI
21st Jul 2025423 AMAQI
21st Jul 2025404 AMAQI

26°C24/29°C

21st Jul 2025385 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025387 AMAQI
21st Jul 2025388 AMAQI
21st Jul 2025289 AMAQI
21st Jul 20252110 AMAQI
21st Jul 20251611 AMAQI
21st Jul 20251812 PMAQI
21st Jul 2025171 PMAQI
21st Jul 2025182 PMAQI
21st Jul 2025183 PMAQI
21st Jul 2025204 PMAQI
21st Jul 2025255 PMAQI
21st Jul 2025216 PMAQI
21st Jul 2025237 PMAQI
21st Jul 2025268 PMAQI
21st Jul 2025339 PMAQI
21st Jul 20253410 PMAQI
21st Jul 20253311 PMAQI
22nd Jul 20252912 AMAQI
22nd Jul 2025341 AMAQI
22nd Jul 2025392 AMAQI
22nd Jul 2025393 AMAQI
22nd Jul 2025364 AMAQI

26°C23/30°C

22nd Jul 2025345 AMAQI
22nd Jul 2025346 AMAQI
22nd Jul 2025347 AMAQI
22nd Jul 2025358 AMAQI
22nd Jul 2025229 AMAQI
22nd Jul 20252110 AMAQI
22nd Jul 20251911 AMAQI
22nd Jul 20252212 PMAQI
22nd Jul 2025261 PMAQI
22nd Jul 2025222 PMAQI
22nd Jul 2025223 PMAQI
22nd Jul 2025264 PMAQI
22nd Jul 2025235 PMAQI
22nd Jul 2025236 PMAQI
22nd Jul 2025227 PMAQI
22nd Jul 2025308 PMAQI
22nd Jul 2025289 PMAQI
22nd Jul 20252410 PMAQI
22nd Jul 20252611 PMAQI
23rd Jul 20252812 AMAQI
23rd Jul 2025321 AMAQI
23rd Jul 2025362 AMAQI
23rd Jul 2025353 AMAQI
23rd Jul 2025344 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 20251910 AMAQI
23rd Jul 20251711 AMAQI
23rd Jul 20251812 PMAQI
23rd Jul 2025171 PMAQI
23rd Jul 2025212 PMAQI
23rd Jul 2025283 PMAQI
23rd Jul 2025334 PMAQI
23rd Jul 2025255 PMAQI
23rd Jul 2025176 PMAQI
23rd Jul 2025207 PMAQI
23rd Jul 2025268 PMAQI
23rd Jul 2025269 PMAQI
23rd Jul 20252610 PMAQI
23rd Jul 20252711 PMAQI
24th Jul 20252812 AMAQI
24th Jul 2025301 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 20252010 AMAQI
24th Jul 20251811 AMAQI
24th Jul 20252212 PMAQI
24th Jul 2025261 PMAQI
24th Jul 2025262 PMAQI
24th Jul 2025223 PMAQI
24th Jul 2025194 PMAQI
24th Jul 2025185 PMAQI
24th Jul 2025226 PMAQI
24th Jul 2025187 PMAQI
24th Jul 2025198 PMAQI
24th Jul 2025229 PMAQI
24th Jul 20252210 PMAQI
24th Jul 20252311 PMAQI
25th Jul 20252612 AMAQI
25th Jul 2025291 AMAQI
25th Jul 2025322 AMAQI
25th Jul 2025323 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 2025219 AMAQI
25th Jul 20252010 AMAQI
25th Jul 20252011 AMAQI
25th Jul 20251812 PMAQI
25th Jul 2025201 PMAQI
25th Jul 2025192 PMAQI
25th Jul 2025183 PMAQI
25th Jul 2025174 PMAQI
25th Jul 2025195 PMAQI
25th Jul 2025296 PMAQI
25th Jul 2025277 PMAQI
25th Jul 2025208 PMAQI
25th Jul 2025229 PMAQI
25th Jul 20252210 PMAQI
25th Jul 20252611 PMAQI
26th Jul 20252712 AMAQI
26th Jul 2025251 AMAQI
26th Jul 2025302 AMAQI
26th Jul 2025303 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 2025169 AMAQI
26th Jul 20251310 AMAQI
26th Jul 20251511 AMAQI
26th Jul 20251812 PMAQI
26th Jul 2025201 PMAQI
26th Jul 2025202 PMAQI
26th Jul 2025173 PMAQI
26th Jul 2025194 PMAQI
26th Jul 2025195 PMAQI
26th Jul 2025186 PMAQI
26th Jul 2025227 PMAQI
26th Jul 2025258 PMAQI
26th Jul 2025269 PMAQI
26th Jul 20252610 PMAQI
26th Jul 20252411 PMAQI
27th Jul 20252212 AMAQI
27th Jul 2025221 AMAQI
27th Jul 2025262 AMAQI
27th Jul 2025283 AMAQI
27th Jul 2025274 AMAQI

26°C24/28°C

27th Jul 2025265 AMAQI
27th Jul 2025266 AMAQI
27th Jul 2025267 AMAQI
27th Jul 2025268 AMAQI
27th Jul 2025229 AMAQI
27th Jul 20252310 AMAQI
27th Jul 20252911 AMAQI
27th Jul 20252512 PMAQI
27th Jul 2025161 PMAQI
27th Jul 2025142 PMAQI
27th Jul 2025163 PMAQI
27th Jul 2025174 PMAQI
27th Jul 2025225 PMAQI
27th Jul 2025316 PMAQI
27th Jul 2025297 PMAQI
27th Jul 2025188 PMAQI
27th Jul 2025299 PMAQI
27th Jul 20253210 PMAQI
27th Jul 20252611 PMAQI
28th Jul 20252512 AMAQI
28th Jul 2025271 AMAQI
28th Jul 2025262 AMAQI
28th Jul 2025263 AMAQI
28th Jul 2025264 AMAQI

26°C24/28°C

28th Jul 2025255 AMAQI
28th Jul 2025256 AMAQI
28th Jul 2025257 AMAQI
28th Jul 2025248 AMAQI
28th Jul 2025239 AMAQI
28th Jul 20252410 AMAQI
28th Jul 20252011 AMAQI
28th Jul 20252112 PMAQI
28th Jul 2025201 PMAQI
28th Jul 2025212 PMAQI
28th Jul 2025223 PMAQI
28th Jul 2025184 PMAQI
28th Jul 2025195 PMAQI
28th Jul 2025166 PMAQI
28th Jul 2025167 PMAQI
28th Jul 2025198 PMAQI
28th Jul 2025229 PMAQI
28th Jul 20252210 PMAQI
28th Jul 20253311 PMAQI
29th Jul 20253112 AMAQI
29th Jul 2025241 AMAQI
29th Jul 2025272 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 2025248 AMAQI
29th Jul 2025209 AMAQI
29th Jul 20252010 AMAQI
29th Jul 20252011 AMAQI
29th Jul 20251812 PMAQI
29th Jul 2025221 PMAQI
29th Jul 2025252 PMAQI
29th Jul 2025263 PMAQI
29th Jul 2025194 PMAQI
29th Jul 2025185 PMAQI
29th Jul 2025196 PMAQI
29th Jul 2025197 PMAQI
29th Jul 2025208 PMAQI
29th Jul 2025229 PMAQI
29th Jul 20252210 PMAQI
29th Jul 20252511 PMAQI
30th Jul 20252512 AMAQI
30th Jul 2025241 AMAQI
30th Jul 2025262 AMAQI
30th Jul 2025263 AMAQI
30th Jul 2025254 AMAQI

26°C23/30°C

30th Jul 2025245 AMAQI
5 AM
30th Jul 2025246 AMAQI
30th Jul 2025247 AMAQI
30th Jul 2025248 AMAQI
30th Jul 2025209 AMAQI
30th Jul 20252010 AMAQI
30th Jul 20251811 AMAQI
30th Jul 20252012 PMAQI
12 PM
30th Jul 2025211 PMAQI
30th Jul 2025212 PMAQI
30th Jul 2025203 PMAQI
30th Jul 2025184 PMAQI
30th Jul 2025195 PMAQI
30th Jul 2025216 PMAQI
30th Jul 2025207 PMAQI
7 PM
30th Jul 2025178 PMAQI
30th Jul 2025199 PMAQI
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 8 AM

51AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
9 AM - 7 PM

43AQI

11 hours / Day
330 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 51), while the lowest AQI was between 9 AM to 7 PM (Avg. 43).
Night time
Avg. Highest Time
12 AM - 4 AM

52AQI

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. 52), while the lowest AQI was between 8 PM to 8 PM (Avg. 47).

2025 Days Vs Air Quality

Tsukumiura, Oita, Japan

2025

82%

171

18%

38

Total number of days with different AQI categories in last 211 days in 2025 (154 days remaining)

Good
171 Days
Moderate
38 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 82%

Health Risk Level:

Low

In 2025, 82% of 211 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

Tsukumiura, 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
30AQI
3rd January 2025
32AQI
4th January 2025
33AQI
5th January 2025
28AQI
6th January 2025
35AQI
7th January 2025
30AQI
8th January 2025
34AQI
9th January 2025
29AQI
10th January 2025
30AQI
11th January 2025
28AQI
12th January 2025
32AQI
13th January 2025
39AQI
14th January 2025
37AQI
15th January 2025
39AQI
16th January 2025
34AQI
17th January 2025
41AQI
18th January 2025
31AQI
19th January 2025
39AQI
20th January 2025
33AQI
21st January 2025
52AQI
22nd January 2025
58AQI
23rd January 2025
57AQI
24th January 2025
63AQI
25th January 2025
43AQI
26th January 2025
42AQI
27th January 2025
33AQI
28th January 2025
33AQI
29th January 2025
33AQI
30th January 2025
32AQI
31st January 2025
36AQI
1st February 2025
39AQI
2nd February 2025
29AQI
3rd February 2025
39AQI
4th February 2025
31AQI
5th February 2025
36AQI
6th February 2025
31AQI
7th February 2025
31AQI
8th February 2025
30AQI
9th February 2025
29AQI
10th February 2025
31AQI
11th February 2025
33AQI
12th February 2025
34AQI
13th February 2025
33AQI
14th February 2025
33AQI
15th February 2025
31AQI
16th February 2025
36AQI
17th February 2025
39AQI
18th February 2025
32AQI
19th February 2025
34AQI
20th February 2025
30AQI
21st February 2025
31AQI
22nd February 2025
35AQI
23rd February 2025
33AQI
24th February 2025
34AQI
25th February 2025
32AQI
26th February 2025
41AQI
27th February 2025
49AQI
28th February 2025
50AQI
1st March 2025
63AQI
2nd March 2025
68AQI
3rd March 2025
41AQI
4th March 2025
38AQI
5th March 2025
31AQI
6th March 2025
34AQI
7th March 2025
31AQI
8th March 2025
37AQI
9th March 2025
39AQI
10th March 2025
39AQI
11th March 2025
39AQI
12th March 2025
39AQI
13th March 2025
50AQI
14th March 2025
37AQI
15th March 2025
38AQI
16th March 2025
26AQI
17th March 2025
44AQI
18th March 2025
31AQI
19th March 2025
39AQI
20th March 2025
40AQI
21st March 2025
53AQI
22nd March 2025
55AQI
23rd March 2025
55AQI
24th March 2025
46AQI
25th March 2025
65AQI
26th March 2025
60AQI
27th March 2025
51AQI
28th March 2025
56AQI
29th March 2025
49AQI
30th March 2025
41AQI
31st March 2025
41AQI
1st April 2025
44AQI
2nd April 2025
34AQI
3rd April 2025
35AQI
4th April 2025
36AQI
5th April 2025
39AQI
6th April 2025
44AQI
7th April 2025
34AQI
8th April 2025
37AQI
9th April 2025
52AQI
10th April 2025
46AQI
11th April 2025
54AQI
12th April 2025
54AQI
13th April 2025
45AQI
14th April 2025
47AQI
15th April 2025
31AQI
16th April 2025
41AQI
17th April 2025
45AQI
18th April 2025
51AQI
19th April 2025
46AQI
20th April 2025
41AQI
21st April 2025
44AQI
22nd April 2025
35AQI
23rd April 2025
30AQI
24th April 2025
36AQI
25th April 2025
49AQI
26th April 2025
51AQI
27th April 2025
45AQI
28th April 2025
48AQI
29th April 2025
43AQI
30th April 2025
50AQI
1st May 2025
45AQI
2nd May 2025
36AQI
3rd May 2025
43AQI
4th May 2025
39AQI
5th May 2025
41AQI
6th May 2025
34AQI
7th May 2025
34AQI
8th May 2025
36AQI
9th May 2025
32AQI
10th May 2025
36AQI
11th May 2025
35AQI
12th May 2025
48AQI
13th May 2025
52AQI
14th May 2025
56AQI
15th May 2025
52AQI
16th May 2025
45AQI
17th May 2025
41AQI
18th May 2025
48AQI
19th May 2025
55AQI
20th May 2025
55AQI
21st May 2025
36AQI
22nd May 2025
43AQI
23rd May 2025
41AQI
24th May 2025
31AQI
25th May 2025
32AQI
26th May 2025
35AQI
27th May 2025
39AQI
28th May 2025
35AQI
29th May 2025
36AQI
30th May 2025
41AQI
31st May 2025
38AQI
1st June 2025
45AQI
2nd June 2025
47AQI
3rd June 2025
30AQI
4th June 2025
44AQI
5th June 2025
41AQI
6th June 2025
52AQI
7th June 2025
53AQI
8th June 2025
55AQI
9th June 2025
35AQI
10th June 2025
36AQI
11th June 2025
41AQI
12th June 2025
43AQI
13th June 2025
45AQI
14th June 2025
34AQI
15th June 2025
32AQI
16th June 2025
32AQI
17th June 2025
35AQI
18th June 2025
39AQI
19th June 2025
38AQI
20th June 2025
51AQI
21st June 2025
47AQI
22nd June 2025
27AQI
23rd June 2025
30AQI
24th June 2025
31AQI
25th June 2025
33AQI
26th June 2025
39AQI
27th June 2025
43AQI
28th June 2025
42AQI
29th June 2025
44AQI
30th June 2025
48AQI
1st July 2025
53AQI
2nd July 2025
80AQI
3rd July 2025
95AQI
4th July 2025
100AQI
5th July 2025
89AQI
6th July 2025
71AQI
7th July 2025
62AQI
8th July 2025
67AQI
9th July 2025
74AQI
10th July 2025
67AQI
11th July 2025
49AQI
12th July 2025
47AQI
13th July 2025
42AQI
14th July 2025
39AQI
15th July 2025
50AQI
16th July 2025
53AQI
17th July 2025
42AQI
18th July 2025
38AQI
19th July 2025
35AQI
20th July 2025
31AQI
21st July 2025
30AQI
22nd July 2025
28AQI
23rd July 2025
27AQI
24th July 2025
25AQI
25th July 2025
25AQI
26th July 2025
23AQI
27th July 2025
25AQI
28th July 2025
24AQI

37AQI

35AQI

44AQI

43AQI

41AQI

40AQI

50AQI

No. of days

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

202541AQI

27
4
28
22
9
25
5
26
5
26
4
17
11
171
38

Highest AQI recorded in

July

50AQI

Lowest AQI recorded in

February

35AQI

202435AQI

31
27
2
29
2
26
4
30
1
29
1
31
26
5
28
2
31
29
1
31
348
18

Highest AQI recorded in

April

41AQI

Lowest AQI recorded in

January

30AQI

202335AQI

28
3
27
1
26
5
23
7
28
3
25
5
30
31
28
2
30
1
29
31
336
27

Highest AQI recorded in

April

43AQI

Lowest AQI recorded in

August

28AQI

202235AQI

27
4
19
2
28
3
17
27
4
27
3
18
3
1
28
30
1
29
1
31
282
21

Highest AQI recorded in

May

42AQI

Lowest AQI recorded in

August

15AQI

202134AQI

30
1
27
1
22
7
20
1
27
4
24
6
30
1
30
1
25
5
30
1
26
4
31
322
32

Highest AQI recorded in

June

40AQI

Lowest AQI recorded in

August

27AQI

202034AQI

11
2
18
3
16
2
20
10
27
4
19
12
19
29
2
29
1
29
2
217
38

Highest AQI recorded in

August

46AQI

Lowest AQI recorded in

September

28AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
41AQI
Least Polluted Year Recorded
2021(Avg.)
34AQI

Tsukumiura's annual 2025 AQI (41) shows an average percentage change of 19.5% (worsened AQI) compared to previous years: 2020 (34), 2021 (34), 2022 (35), 2023 (35), 2024 (35).