Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Tomioka, Gunma, 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

Tomioka, Gunma, Japan

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
6th Aug 2021
58AQI
Lowest AQI recorded on
30th Aug 2024
14AQI

Same Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 42 of Good air quality, showing improvement over 2024 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025

Tomioka, Gunma, Japan

AQI
Day
Night
.

4 AM3rd Aug 2025

7 PM

3 AM4th Aug 2025

Day time
Avg. Highest Time
12AMNaNth undefined

AQI

Avg. Lowest Time
12AMNaNth undefined

AQI

Night time
Avg. Highest Time
12PM3rd Aug

62AQI

Avg. Lowest Time
1AM4th Aug

37AQI

In the last 24 hours,

Tomioka's AQI reached its highest point of 62 at 12 PM during the Night, while the lowest point, 37, was recorded at 1 AM during the Night between 3rd Aug and 4th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Tomioka, Gunma, Japan

JulAug
05th - 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 - 04th04th
Day
Night
5th Jul 2025534 AMAQI
5th Jul 2025545 AMAQI
5th Jul 2025536 AMAQI
5th Jul 2025537 AMAQI
5th Jul 2025538 AMAQI
5th Jul 2025499 AMAQI
5th Jul 20255210 AMAQI
5th Jul 20255411 AMAQI
5th Jul 20255912 PMAQI
5th Jul 2025571 PMAQI
5th Jul 2025512 PMAQI
5th Jul 2025603 PMAQI
5th Jul 2025604 PMAQI
5th Jul 2025645 PMAQI
5th Jul 2025686 PMAQI
5th Jul 2025667 PMAQI
5th Jul 2025648 PMAQI
5th Jul 2025629 PMAQI
5th Jul 20256010 PMAQI
5th Jul 20255811 PMAQI
6th Jul 20255812 AMAQI
6th Jul 2025561 AMAQI
6th Jul 2025522 AMAQI
6th Jul 2025533 AMAQI

25°C21/32°C

6th Jul 2025534 AMAQI
6th Jul 2025535 AMAQI
6th Jul 2025536 AMAQI
6th Jul 2025537 AMAQI
6th Jul 2025538 AMAQI
6th Jul 2025559 AMAQI
6th Jul 20255910 AMAQI
6th Jul 20255811 AMAQI
6th Jul 20255812 PMAQI
6th Jul 2025561 PMAQI
6th Jul 2025562 PMAQI
6th Jul 2025583 PMAQI
6th Jul 2025564 PMAQI
6th Jul 2025585 PMAQI
6th Jul 2025596 PMAQI
6th Jul 2025617 PMAQI
6th Jul 2025598 PMAQI
6th Jul 2025589 PMAQI
6th Jul 20256010 PMAQI
6th Jul 20256111 PMAQI
7th Jul 20256312 AMAQI
7th Jul 2025581 AMAQI
7th Jul 2025542 AMAQI
7th Jul 2025543 AMAQI

27°C20/34°C

7th Jul 2025544 AMAQI
7th Jul 2025565 AMAQI
7th Jul 2025556 AMAQI
7th Jul 2025557 AMAQI
7th Jul 2025558 AMAQI
7th Jul 2025589 AMAQI
7th Jul 20256410 AMAQI
7th Jul 20257411 AMAQI
7th Jul 20257812 PMAQI
7th Jul 2025771 PMAQI
7th Jul 2025742 PMAQI
7th Jul 2025753 PMAQI
7th Jul 2025754 PMAQI
7th Jul 2025805 PMAQI
7th Jul 2025816 PMAQI
7th Jul 2025827 PMAQI
7th Jul 2025758 PMAQI
7th Jul 2025729 PMAQI
7th Jul 20257310 PMAQI
7th Jul 20257511 PMAQI
8th Jul 20257312 AMAQI
8th Jul 2025641 AMAQI
8th Jul 2025552 AMAQI
8th Jul 2025563 AMAQI

27°C22/34°C

8th Jul 2025574 AMAQI
8th Jul 2025595 AMAQI
8th Jul 2025596 AMAQI
8th Jul 2025597 AMAQI
8th Jul 2025598 AMAQI
8th Jul 2025999 AMAQI
8th Jul 202511510 AMAQI
8th Jul 202511211 AMAQI
8th Jul 202510412 PMAQI
8th Jul 2025931 PMAQI
8th Jul 2025892 PMAQI
8th Jul 2025883 PMAQI
8th Jul 2025834 PMAQI
8th Jul 2025795 PMAQI
8th Jul 2025806 PMAQI
8th Jul 2025827 PMAQI
8th Jul 2025748 PMAQI
8th Jul 2025689 PMAQI
8th Jul 20256910 PMAQI
8th Jul 20256811 PMAQI
9th Jul 20257012 AMAQI
9th Jul 2025661 AMAQI
9th Jul 2025602 AMAQI
9th Jul 2025613 AMAQI

28°C23/34°C

9th Jul 2025644 AMAQI
9th Jul 2025695 AMAQI
9th Jul 2025696 AMAQI
9th Jul 2025697 AMAQI
9th Jul 2025688 AMAQI
9th Jul 2025799 AMAQI
9th Jul 20258510 AMAQI
9th Jul 20258311 AMAQI
9th Jul 20257812 PMAQI
9th Jul 2025781 PMAQI
9th Jul 2025742 PMAQI
9th Jul 2025753 PMAQI
9th Jul 2025784 PMAQI
9th Jul 2025875 PMAQI
9th Jul 2025886 PMAQI
9th Jul 2025787 PMAQI
9th Jul 2025628 PMAQI
9th Jul 2025639 PMAQI
9th Jul 20256310 PMAQI
9th Jul 20256511 PMAQI
10th Jul 20256612 AMAQI
10th Jul 2025661 AMAQI
10th Jul 2025652 AMAQI
10th Jul 2025653 AMAQI

27°C22/34°C

10th Jul 2025684 AMAQI
10th Jul 2025685 AMAQI
10th Jul 2025686 AMAQI
10th Jul 2025687 AMAQI
10th Jul 2025698 AMAQI
10th Jul 2025709 AMAQI
10th Jul 20257310 AMAQI
10th Jul 20257311 AMAQI
10th Jul 20257512 PMAQI
10th Jul 2025731 PMAQI
10th Jul 2025732 PMAQI
10th Jul 2025793 PMAQI
10th Jul 2025774 PMAQI
10th Jul 2025665 PMAQI
10th Jul 2025556 PMAQI
10th Jul 2025427 PMAQI
10th Jul 2025428 PMAQI
10th Jul 2025559 PMAQI
10th Jul 20255510 PMAQI
10th Jul 20255611 PMAQI
11th Jul 20255412 AMAQI
11th Jul 2025611 AMAQI
11th Jul 2025662 AMAQI
11th Jul 2025663 AMAQI

26°C23/32°C

11th Jul 2025684 AMAQI
11th Jul 2025685 AMAQI
11th Jul 2025686 AMAQI
11th Jul 2025687 AMAQI
11th Jul 2025698 AMAQI
11th Jul 2025299 AMAQI
11th Jul 20251810 AMAQI
11th Jul 20251811 AMAQI
11th Jul 20251812 PMAQI
11th Jul 2025271 PMAQI
11th Jul 2025292 PMAQI
11th Jul 2025303 PMAQI
11th Jul 2025294 PMAQI
11th Jul 2025335 PMAQI
11th Jul 2025376 PMAQI
11th Jul 2025387 PMAQI
11th Jul 2025428 PMAQI
11th Jul 2025539 PMAQI
11th Jul 20255410 PMAQI
11th Jul 20255411 PMAQI
12th Jul 20255312 AMAQI
12th Jul 2025581 AMAQI
12th Jul 2025642 AMAQI
12th Jul 2025653 AMAQI

22°C20/22°C

12th Jul 2025624 AMAQI
12th Jul 2025585 AMAQI
12th Jul 2025586 AMAQI
12th Jul 2025587 AMAQI
12th Jul 2025588 AMAQI
12th Jul 2025399 AMAQI
12th Jul 20253310 AMAQI
12th Jul 20253211 AMAQI
12th Jul 20253412 PMAQI
12th Jul 2025401 PMAQI
12th Jul 2025462 PMAQI
12th Jul 2025433 PMAQI
12th Jul 2025424 PMAQI
12th Jul 2025485 PMAQI
12th Jul 2025456 PMAQI
12th Jul 2025487 PMAQI
12th Jul 2025518 PMAQI
12th Jul 2025559 PMAQI
12th Jul 20255510 PMAQI
12th Jul 20255511 PMAQI
13th Jul 20255512 AMAQI
13th Jul 2025561 AMAQI
13th Jul 2025602 AMAQI
13th Jul 2025603 AMAQI

22°C19/26°C

13th Jul 2025584 AMAQI
13th Jul 2025575 AMAQI
13th Jul 2025566 AMAQI
13th Jul 2025577 AMAQI
13th Jul 2025578 AMAQI
13th Jul 2025459 AMAQI
13th Jul 20253110 AMAQI
13th Jul 20252811 AMAQI
13th Jul 20253012 PMAQI
13th Jul 2025341 PMAQI
13th Jul 2025362 PMAQI
13th Jul 2025423 PMAQI
13th Jul 2025504 PMAQI
13th Jul 2025505 PMAQI
13th Jul 2025486 PMAQI
13th Jul 2025547 PMAQI
13th Jul 2025528 PMAQI
13th Jul 2025549 PMAQI
13th Jul 20255410 PMAQI
13th Jul 20255311 PMAQI
14th Jul 20255412 AMAQI
14th Jul 2025551 AMAQI
14th Jul 2025562 AMAQI
14th Jul 2025573 AMAQI

25°C20/30°C

14th Jul 2025564 AMAQI
14th Jul 2025545 AMAQI
14th Jul 2025546 AMAQI
14th Jul 2025547 AMAQI
14th Jul 2025548 AMAQI
14th Jul 2025369 AMAQI
14th Jul 20252510 AMAQI
14th Jul 20252111 AMAQI
14th Jul 20252312 PMAQI
14th Jul 2025221 PMAQI
14th Jul 2025202 PMAQI
14th Jul 2025213 PMAQI
14th Jul 2025224 PMAQI
14th Jul 2025185 PMAQI
14th Jul 2025196 PMAQI
14th Jul 2025237 PMAQI
14th Jul 2025348 PMAQI
14th Jul 2025479 PMAQI
14th Jul 20254810 PMAQI
14th Jul 20254611 PMAQI
15th Jul 20254512 AMAQI
15th Jul 2025511 AMAQI
15th Jul 2025542 AMAQI
15th Jul 2025553 AMAQI

24°C21/29°C

15th Jul 2025544 AMAQI
15th Jul 2025525 AMAQI
15th Jul 2025526 AMAQI
15th Jul 2025527 AMAQI
15th Jul 2025528 AMAQI
15th Jul 2025239 AMAQI
15th Jul 20251610 AMAQI
15th Jul 20252011 AMAQI
15th Jul 20252812 PMAQI
15th Jul 2025271 PMAQI
15th Jul 2025272 PMAQI
15th Jul 2025223 PMAQI
15th Jul 2025214 PMAQI
15th Jul 2025245 PMAQI
15th Jul 2025246 PMAQI
15th Jul 2025257 PMAQI
15th Jul 2025328 PMAQI
15th Jul 2025389 PMAQI
15th Jul 20253810 PMAQI
15th Jul 20253811 PMAQI
16th Jul 20253812 AMAQI
16th Jul 2025451 AMAQI
16th Jul 2025522 AMAQI
16th Jul 2025523 AMAQI

25°C23/29°C

16th Jul 2025514 AMAQI
16th Jul 2025485 AMAQI
16th Jul 2025486 AMAQI
16th Jul 2025487 AMAQI
16th Jul 2025488 AMAQI
16th Jul 2025349 AMAQI
16th Jul 20253210 AMAQI
16th Jul 20253311 AMAQI
16th Jul 20254412 PMAQI
16th Jul 2025461 PMAQI
16th Jul 2025462 PMAQI
16th Jul 2025483 PMAQI
16th Jul 2025534 PMAQI
16th Jul 2025525 PMAQI
16th Jul 2025516 PMAQI
16th Jul 2025437 PMAQI
16th Jul 2025438 PMAQI
16th Jul 2025379 PMAQI
16th Jul 20253410 PMAQI
16th Jul 20253611 PMAQI
17th Jul 20253512 AMAQI
17th Jul 2025401 AMAQI
17th Jul 2025492 AMAQI
17th Jul 2025493 AMAQI

25°C21/31°C

17th Jul 2025484 AMAQI
17th Jul 2025485 AMAQI
17th Jul 2025486 AMAQI
17th Jul 2025487 AMAQI
17th Jul 2025488 AMAQI
17th Jul 2025229 AMAQI
17th Jul 20251510 AMAQI
17th Jul 20251711 AMAQI
17th Jul 20252012 PMAQI
17th Jul 2025271 PMAQI
17th Jul 2025332 PMAQI
17th Jul 2025353 PMAQI
17th Jul 2025354 PMAQI
17th Jul 2025305 PMAQI
17th Jul 2025366 PMAQI
17th Jul 2025407 PMAQI
17th Jul 2025398 PMAQI
17th Jul 2025439 PMAQI
17th Jul 20254210 PMAQI
17th Jul 20254111 PMAQI
18th Jul 20254112 AMAQI
18th Jul 2025441 AMAQI
18th Jul 2025472 AMAQI
18th Jul 2025473 AMAQI

24°C22/27°C

18th Jul 2025454 AMAQI
18th Jul 2025425 AMAQI
18th Jul 2025416 AMAQI
18th Jul 2025427 AMAQI
18th Jul 2025428 AMAQI
18th Jul 2025269 AMAQI
18th Jul 20252610 AMAQI
18th Jul 20253211 AMAQI
18th Jul 20253012 PMAQI
18th Jul 2025331 PMAQI
18th Jul 2025402 PMAQI
18th Jul 2025423 PMAQI
18th Jul 2025544 PMAQI
18th Jul 2025535 PMAQI
18th Jul 2025486 PMAQI
18th Jul 2025367 PMAQI
18th Jul 2025328 PMAQI
18th Jul 2025389 PMAQI
18th Jul 20254110 PMAQI
18th Jul 20253911 PMAQI
19th Jul 20253612 AMAQI
19th Jul 2025421 AMAQI
19th Jul 2025442 AMAQI
19th Jul 2025443 AMAQI

26°C21/32°C

19th Jul 2025434 AMAQI
19th Jul 2025425 AMAQI
19th Jul 2025426 AMAQI
19th Jul 2025427 AMAQI
19th Jul 2025428 AMAQI
19th Jul 2025289 AMAQI
19th Jul 20252610 AMAQI
19th Jul 20253011 AMAQI
19th Jul 20253212 PMAQI
19th Jul 2025361 PMAQI
19th Jul 2025362 PMAQI
19th Jul 2025403 PMAQI
19th Jul 2025414 PMAQI
19th Jul 2025505 PMAQI
19th Jul 2025526 PMAQI
19th Jul 2025427 PMAQI
19th Jul 2025368 PMAQI
19th Jul 2025409 PMAQI
19th Jul 20254010 PMAQI
19th Jul 20254211 PMAQI
20th Jul 20254212 AMAQI
20th Jul 2025451 AMAQI
20th Jul 2025432 AMAQI
20th Jul 2025423 AMAQI

26°C22/32°C

20th Jul 2025424 AMAQI
20th Jul 2025415 AMAQI
20th Jul 2025416 AMAQI
20th Jul 2025407 AMAQI
20th Jul 2025418 AMAQI
20th Jul 2025389 AMAQI
20th Jul 20254110 AMAQI
20th Jul 20254011 AMAQI
20th Jul 20253612 PMAQI
20th Jul 2025391 PMAQI
20th Jul 2025442 PMAQI
20th Jul 2025453 PMAQI
20th Jul 2025464 PMAQI
20th Jul 2025425 PMAQI
20th Jul 2025506 PMAQI
20th Jul 2025477 PMAQI
20th Jul 2025408 PMAQI
20th Jul 2025409 PMAQI
20th Jul 20253710 PMAQI
20th Jul 20254111 PMAQI
21st Jul 20254212 AMAQI
21st Jul 2025451 AMAQI
21st Jul 2025422 AMAQI
21st Jul 2025423 AMAQI

28°C22/35°C

21st Jul 2025424 AMAQI
21st Jul 2025425 AMAQI
21st Jul 2025426 AMAQI
21st Jul 2025427 AMAQI
21st Jul 2025428 AMAQI
21st Jul 2025379 AMAQI
21st Jul 20253910 AMAQI
21st Jul 20254211 AMAQI
21st Jul 20254412 PMAQI
21st Jul 2025431 PMAQI
21st Jul 2025442 PMAQI
21st Jul 2025493 PMAQI
21st Jul 2025524 PMAQI
21st Jul 2025525 PMAQI
21st Jul 2025506 PMAQI
21st Jul 2025497 PMAQI
21st Jul 2025468 PMAQI
21st Jul 2025459 PMAQI
21st Jul 20254410 PMAQI
21st Jul 20254411 PMAQI
22nd Jul 20254312 AMAQI
22nd Jul 2025421 AMAQI
22nd Jul 2025422 AMAQI
22nd Jul 2025413 AMAQI

28°C23/35°C

22nd Jul 2025424 AMAQI
22nd Jul 2025435 AMAQI
22nd Jul 2025426 AMAQI
22nd Jul 2025437 AMAQI
22nd Jul 2025428 AMAQI
22nd Jul 2025489 AMAQI
22nd Jul 20255210 AMAQI
22nd Jul 20255311 AMAQI
22nd Jul 20255212 PMAQI
22nd Jul 2025571 PMAQI
22nd Jul 2025652 PMAQI
22nd Jul 2025603 PMAQI
22nd Jul 2025664 PMAQI
22nd Jul 2025635 PMAQI
22nd Jul 2025586 PMAQI
22nd Jul 2025607 PMAQI
22nd Jul 2025558 PMAQI
22nd Jul 2025529 PMAQI
22nd Jul 20255110 PMAQI
22nd Jul 20255211 PMAQI
23rd Jul 20255212 AMAQI
23rd Jul 2025491 AMAQI
23rd Jul 2025422 AMAQI
23rd Jul 2025423 AMAQI

28°C22/35°C

23rd Jul 2025444 AMAQI
23rd Jul 2025465 AMAQI
23rd Jul 2025456 AMAQI
23rd Jul 2025467 AMAQI
23rd Jul 2025458 AMAQI
23rd Jul 2025549 AMAQI
23rd Jul 20255410 AMAQI
23rd Jul 20255611 AMAQI
23rd Jul 20255612 PMAQI
23rd Jul 2025561 PMAQI
23rd Jul 2025562 PMAQI
23rd Jul 2025563 PMAQI
23rd Jul 2025614 PMAQI
23rd Jul 2025665 PMAQI
23rd Jul 2025566 PMAQI
23rd Jul 2025537 PMAQI
23rd Jul 2025498 PMAQI
23rd Jul 2025499 PMAQI
23rd Jul 20255010 PMAQI
23rd Jul 20255111 PMAQI
24th Jul 20255012 AMAQI
24th Jul 2025501 AMAQI
24th Jul 2025452 AMAQI
24th Jul 2025443 AMAQI

27°C20/36°C

24th Jul 2025474 AMAQI
24th Jul 2025485 AMAQI
24th Jul 2025496 AMAQI
24th Jul 2025487 AMAQI
24th Jul 2025508 AMAQI
24th Jul 2025539 AMAQI
24th Jul 20255210 AMAQI
24th Jul 20255511 AMAQI
24th Jul 20255512 PMAQI
24th Jul 2025571 PMAQI
24th Jul 2025572 PMAQI
24th Jul 2025593 PMAQI
24th Jul 2025614 PMAQI
24th Jul 2025645 PMAQI
24th Jul 2025626 PMAQI
24th Jul 2025637 PMAQI
24th Jul 2025598 PMAQI
24th Jul 2025549 PMAQI
24th Jul 20255410 PMAQI
24th Jul 20255411 PMAQI
25th Jul 20255512 AMAQI
25th Jul 2025531 AMAQI
25th Jul 2025472 AMAQI
25th Jul 2025483 AMAQI

28°C21/35°C

25th Jul 2025494 AMAQI
25th Jul 2025515 AMAQI
25th Jul 2025516 AMAQI
25th Jul 2025527 AMAQI
25th Jul 2025518 AMAQI
25th Jul 2025559 AMAQI
25th Jul 20255610 AMAQI
25th Jul 20255611 AMAQI
25th Jul 20255612 PMAQI
25th Jul 2025581 PMAQI
25th Jul 2025602 PMAQI
25th Jul 2025633 PMAQI
25th Jul 2025664 PMAQI
25th Jul 2025645 PMAQI
25th Jul 2025596 PMAQI
25th Jul 2025617 PMAQI
25th Jul 2025548 PMAQI
25th Jul 2025539 PMAQI
25th Jul 20255410 PMAQI
25th Jul 20255311 PMAQI
26th Jul 20255612 AMAQI
26th Jul 2025541 AMAQI
26th Jul 2025502 AMAQI
26th Jul 2025503 AMAQI

26°C18/35°C

26th Jul 2025514 AMAQI
26th Jul 2025525 AMAQI
26th Jul 2025526 AMAQI
26th Jul 2025527 AMAQI
26th Jul 2025528 AMAQI
26th Jul 2025559 AMAQI
26th Jul 20255410 AMAQI
26th Jul 20255211 AMAQI
26th Jul 20255312 PMAQI
26th Jul 2025561 PMAQI
26th Jul 2025562 PMAQI
26th Jul 2025603 PMAQI
26th Jul 2025624 PMAQI
26th Jul 2025625 PMAQI
26th Jul 2025546 PMAQI
26th Jul 2025467 PMAQI
26th Jul 2025468 PMAQI
26th Jul 2025489 PMAQI
26th Jul 20254810 PMAQI
26th Jul 20255211 PMAQI
27th Jul 20255212 AMAQI
27th Jul 2025511 AMAQI
27th Jul 2025502 AMAQI
27th Jul 2025523 AMAQI

27°C19/36°C

27th Jul 2025524 AMAQI
27th Jul 2025525 AMAQI
27th Jul 2025526 AMAQI
27th Jul 2025527 AMAQI
27th Jul 2025538 AMAQI
27th Jul 2025539 AMAQI
27th Jul 20255210 AMAQI
27th Jul 20254811 AMAQI
27th Jul 20254812 PMAQI
27th Jul 2025481 PMAQI
27th Jul 2025462 PMAQI
27th Jul 2025453 PMAQI
27th Jul 2025444 PMAQI
27th Jul 2025465 PMAQI
27th Jul 2025466 PMAQI
27th Jul 2025397 PMAQI
27th Jul 2025438 PMAQI
27th Jul 2025469 PMAQI
27th Jul 20254210 PMAQI
27th Jul 20254211 PMAQI
28th Jul 20254312 AMAQI
28th Jul 2025441 AMAQI
28th Jul 2025482 AMAQI
28th Jul 2025493 AMAQI

28°C22/35°C

28th Jul 2025494 AMAQI
28th Jul 2025505 AMAQI
28th Jul 2025516 AMAQI
28th Jul 2025517 AMAQI
28th Jul 2025518 AMAQI
28th Jul 2025509 AMAQI
28th Jul 20255010 AMAQI
28th Jul 20254611 AMAQI
28th Jul 20254412 PMAQI
28th Jul 2025451 PMAQI
28th Jul 2025472 PMAQI
28th Jul 2025473 PMAQI
28th Jul 2025554 PMAQI
28th Jul 2025565 PMAQI
28th Jul 2025566 PMAQI
28th Jul 2025587 PMAQI
28th Jul 2025568 PMAQI
28th Jul 2025549 PMAQI
28th Jul 20255110 PMAQI
28th Jul 20255211 PMAQI
29th Jul 20255212 AMAQI
29th Jul 2025501 AMAQI
29th Jul 2025482 AMAQI
29th Jul 2025473 AMAQI

29°C23/35°C

29th Jul 2025474 AMAQI
29th Jul 2025485 AMAQI
29th Jul 2025486 AMAQI
29th Jul 2025497 AMAQI
29th Jul 2025488 AMAQI
29th Jul 2025569 AMAQI
29th Jul 20255710 AMAQI
29th Jul 20255611 AMAQI
29th Jul 20255612 PMAQI
29th Jul 2025561 PMAQI
29th Jul 2025542 PMAQI
29th Jul 2025563 PMAQI
29th Jul 2025574 PMAQI
29th Jul 2025545 PMAQI
29th Jul 2025566 PMAQI
29th Jul 2025547 PMAQI
29th Jul 2025528 PMAQI
29th Jul 2025519 PMAQI
29th Jul 20254410 PMAQI
29th Jul 20253811 PMAQI
30th Jul 20253812 AMAQI
30th Jul 2025381 AMAQI
30th Jul 2025482 AMAQI
30th Jul 2025493 AMAQI

29°C23/36°C

30th Jul 2025504 AMAQI
30th Jul 2025525 AMAQI
30th Jul 2025516 AMAQI
30th Jul 2025527 AMAQI
30th Jul 2025518 AMAQI
30th Jul 2025389 AMAQI
30th Jul 20252810 AMAQI
30th Jul 20254011 AMAQI
30th Jul 20254312 PMAQI
30th Jul 2025501 PMAQI
30th Jul 2025522 PMAQI
30th Jul 2025463 PMAQI
30th Jul 2025424 PMAQI
30th Jul 2025405 PMAQI
30th Jul 2025416 PMAQI
30th Jul 2025457 PMAQI
30th Jul 2025428 PMAQI
30th Jul 2025439 PMAQI
30th Jul 20254310 PMAQI
30th Jul 20254311 PMAQI
31st Jul 20254112 AMAQI
31st Jul 2025421 AMAQI
31st Jul 2025482 AMAQI
31st Jul 2025483 AMAQI

28°C21/35°C

31st Jul 2025484 AMAQI
31st Jul 2025485 AMAQI
31st Jul 2025486 AMAQI
31st Jul 2025487 AMAQI
31st Jul 2025488 AMAQI
31st Jul 2025489 AMAQI
31st Jul 20254810 AMAQI
31st Jul 20254011 AMAQI
31st Jul 20253312 PMAQI
31st Jul 2025391 PMAQI
31st Jul 2025432 PMAQI
31st Jul 2025403 PMAQI
31st Jul 2025424 PMAQI
31st Jul 2025515 PMAQI
31st Jul 2025526 PMAQI
31st Jul 2025517 PMAQI
31st Jul 2025428 PMAQI
31st Jul 2025469 PMAQI
31st Jul 20253610 PMAQI
31st Jul 20253011 PMAQI
1st Aug 20253312 AMAQI
1st Aug 2025371 AMAQI
1st Aug 2025342 AMAQI
1st Aug 2025373 AMAQI

27°C20/33°C

1st Aug 2025384 AMAQI
1st Aug 2025365 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025347 AMAQI
1st Aug 2025378 AMAQI
1st Aug 2025409 AMAQI
1st Aug 20252810 AMAQI
1st Aug 20254111 AMAQI
1st Aug 20254612 PMAQI
1st Aug 2025471 PMAQI
1st Aug 2025352 PMAQI
1st Aug 2025343 PMAQI
1st Aug 2025454 PMAQI
1st Aug 2025415 PMAQI
1st Aug 2025446 PMAQI
1st Aug 2025327 PMAQI
1st Aug 2025328 PMAQI
1st Aug 2025349 PMAQI
1st Aug 20253710 PMAQI
1st Aug 20253011 PMAQI
2nd Aug 20253212 AMAQI
2nd Aug 2025341 AMAQI
2nd Aug 2025392 AMAQI
2nd Aug 2025403 AMAQI

26°C20/31°C

2nd Aug 2025404 AMAQI
2nd Aug 2025395 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025408 AMAQI
2nd Aug 2025449 AMAQI
2nd Aug 20253810 AMAQI
2nd Aug 20255111 AMAQI
2nd Aug 20253412 PMAQI
2nd Aug 2025421 PMAQI
2nd Aug 2025562 PMAQI
2nd Aug 2025533 PMAQI
2nd Aug 2025484 PMAQI
2nd Aug 2025545 PMAQI
2nd Aug 2025536 PMAQI
2nd Aug 2025527 PMAQI
2nd Aug 2025448 PMAQI
2nd Aug 2025419 PMAQI
2nd Aug 20253710 PMAQI
2nd Aug 20254411 PMAQI
3rd Aug 20253512 AMAQI
3rd Aug 2025361 AMAQI
3rd Aug 2025382 AMAQI
3rd Aug 2025383 AMAQI

29°C23/38°C

3rd Aug 2025404 AMAQI
3rd Aug 2025405 AMAQI
3rd Aug 2025396 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025398 AMAQI
3rd Aug 2025449 AMAQI
3rd Aug 20255610 AMAQI
3rd Aug 20255411 AMAQI
3rd Aug 20256212 PMAQI
3rd Aug 2025561 PMAQI
3rd Aug 2025602 PMAQI
3rd Aug 2025513 PMAQI
3rd Aug 2025594 PMAQI
3rd Aug 2025575 PMAQI
3rd Aug 2025576 PMAQI
3rd Aug 2025587 PMAQI
3rd Aug 2025528 PMAQI
3rd Aug 2025439 PMAQI
3rd Aug 20254410 PMAQI
3rd Aug 20254311 PMAQI
4th Aug 20253812 AMAQI
4th Aug 2025371 AMAQI
4th Aug 2025392 AMAQI
4th Aug 2025403 AMAQI

--°C/°C

4th Aug 2025464 AMAQI
4 AM
4th Aug 2025445 AMAQI
4th Aug 2025426 AMAQI
11 AM
7 PM
11 PM
3 AM

--°C/°C

Day time
Avg. Highest Time
4 AM - 7 PM

50AQI

16 hours / Day
480 hours / Month
Avg. Lowest Time
9 AM - 7 PM

50AQI

11 hours / Day
330 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 7 PM (Avg. 50), while the lowest AQI was between 9 AM to 7 PM (Avg. 50).
Night time
Avg. Highest Time
12 AM - 11 PM

49AQI

8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM

49AQI

8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 49), while the lowest AQI was between 12 AM to 11 PM (Avg. 49).

2025 Days Vs Air Quality

Tomioka, Gunma, Japan

2025

79%

169

21%

45

Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)

Good
169 Days
Moderate
45 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 79%

Health Risk Level:

Low

In 2025, 79% 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

Tomioka, Gunma, 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
2nd January 2025
30AQI
3rd January 2025
27AQI
4th January 2025
26AQI
5th January 2025
27AQI
6th January 2025
38AQI
7th January 2025
30AQI
8th January 2025
31AQI
9th January 2025
31AQI
10th January 2025
29AQI
11th January 2025
26AQI
12th January 2025
31AQI
13th January 2025
28AQI
14th January 2025
30AQI
15th January 2025
32AQI
16th January 2025
27AQI
17th January 2025
28AQI
18th January 2025
28AQI
19th January 2025
37AQI
20th January 2025
35AQI
21st January 2025
38AQI
22nd January 2025
37AQI
23rd January 2025
45AQI
24th January 2025
46AQI
25th January 2025
38AQI
26th January 2025
36AQI
27th January 2025
32AQI
28th January 2025
43AQI
29th January 2025
38AQI
30th January 2025
35AQI
31st January 2025
31AQI
1st February 2025
39AQI
2nd February 2025
48AQI
3rd February 2025
45AQI
4th February 2025
38AQI
5th February 2025
35AQI
6th February 2025
31AQI
7th February 2025
30AQI
8th February 2025
31AQI
9th February 2025
30AQI
10th February 2025
29AQI
11th February 2025
31AQI
12th February 2025
33AQI
13th February 2025
32AQI
14th February 2025
31AQI
15th February 2025
30AQI
16th February 2025
36AQI
17th February 2025
38AQI
18th February 2025
33AQI
19th February 2025
31AQI
20th February 2025
31AQI
21st February 2025
32AQI
22nd February 2025
33AQI
23rd February 2025
32AQI
24th February 2025
33AQI
25th February 2025
34AQI
26th February 2025
38AQI
27th February 2025
43AQI
28th February 2025
50AQI
1st March 2025
52AQI
2nd March 2025
52AQI
3rd March 2025
39AQI
4th March 2025
37AQI
5th March 2025
26AQI
6th March 2025
33AQI
7th March 2025
32AQI
8th March 2025
41AQI
9th March 2025
37AQI
10th March 2025
40AQI
11th March 2025
45AQI
12th March 2025
45AQI
13th March 2025
50AQI
14th March 2025
43AQI
15th March 2025
42AQI
16th March 2025
26AQI
17th March 2025
25AQI
18th March 2025
28AQI
19th March 2025
21AQI
20th March 2025
27AQI
21st March 2025
39AQI
22nd March 2025
49AQI
23rd March 2025
58AQI
24th March 2025
62AQI
25th March 2025
75AQI
26th March 2025
79AQI
27th March 2025
73AQI
28th March 2025
58AQI
29th March 2025
37AQI
30th March 2025
41AQI
31st March 2025
34AQI
1st April 2025
32AQI
2nd April 2025
25AQI
3rd April 2025
24AQI
4th April 2025
24AQI
5th April 2025
36AQI
6th April 2025
31AQI
7th April 2025
34AQI
8th April 2025
44AQI
9th April 2025
29AQI
10th April 2025
48AQI
11th April 2025
43AQI
12th April 2025
48AQI
13th April 2025
27AQI
14th April 2025
31AQI
15th April 2025
29AQI
16th April 2025
31AQI
17th April 2025
48AQI
18th April 2025
57AQI
19th April 2025
68AQI
20th April 2025
59AQI
21st April 2025
45AQI
22nd April 2025
56AQI
23rd April 2025
37AQI
24th April 2025
41AQI
25th April 2025
46AQI
26th April 2025
49AQI
27th April 2025
50AQI
28th April 2025
55AQI
29th April 2025
41AQI
30th April 2025
54AQI
1st May 2025
48AQI
2nd May 2025
35AQI
3rd May 2025
36AQI
4th May 2025
37AQI
5th May 2025
38AQI
6th May 2025
31AQI
7th May 2025
28AQI
8th May 2025
35AQI
9th May 2025
41AQI
10th May 2025
26AQI
11th May 2025
24AQI
12th May 2025
28AQI
13th May 2025
41AQI
14th May 2025
47AQI
15th May 2025
49AQI
16th May 2025
53AQI
17th May 2025
40AQI
18th May 2025
46AQI
19th May 2025
47AQI
20th May 2025
59AQI
21st May 2025
70AQI
22nd May 2025
63AQI
23rd May 2025
56AQI
24th May 2025
50AQI
25th May 2025
36AQI
26th May 2025
33AQI
27th May 2025
35AQI
28th May 2025
34AQI
29th May 2025
40AQI
30th May 2025
32AQI
31st May 2025
24AQI
1st June 2025
23AQI
2nd June 2025
37AQI
3rd June 2025
35AQI
4th June 2025
34AQI
5th June 2025
40AQI
6th June 2025
48AQI
7th June 2025
54AQI
8th June 2025
64AQI
9th June 2025
59AQI
10th June 2025
43AQI
11th June 2025
34AQI
12th June 2025
46AQI
13th June 2025
51AQI
14th June 2025
47AQI
15th June 2025
32AQI
16th June 2025
43AQI
17th June 2025
48AQI
18th June 2025
46AQI
19th June 2025
49AQI
20th June 2025
52AQI
21st June 2025
51AQI
22nd June 2025
55AQI
23rd June 2025
45AQI
24th June 2025
42AQI
25th June 2025
40AQI
26th June 2025
36AQI
27th June 2025
43AQI
28th June 2025
42AQI
29th June 2025
48AQI
30th June 2025
53AQI
1st July 2025
57AQI
2nd July 2025
53AQI
3rd July 2025
56AQI
4th July 2025
55AQI
5th July 2025
57AQI
6th July 2025
57AQI
7th July 2025
67AQI
8th July 2025
75AQI
9th July 2025
72AQI
10th July 2025
64AQI
11th July 2025
47AQI
12th July 2025
51AQI
13th July 2025
50AQI
14th July 2025
39AQI
15th July 2025
37AQI
16th July 2025
44AQI
17th July 2025
38AQI
18th July 2025
40AQI
19th July 2025
40AQI
20th July 2025
42AQI
21st July 2025
44AQI
22nd July 2025
51AQI
23rd July 2025
51AQI
24th July 2025
54AQI
25th July 2025
55AQI
26th July 2025
53AQI
27th July 2025
48AQI
28th July 2025
51AQI
29th July 2025
51AQI
30th July 2025
45AQI
31st July 2025
44AQI
1st August 2025
37AQI
2nd August 2025
42AQI

33AQI

35AQI

43AQI

41AQI

41AQI

45AQI

51AQI

40AQI

No. of days

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

202541AQI

31
28
23
8
24
6
26
5
22
8
13
18
2
169
45

Highest AQI recorded in

July

51AQI

Lowest AQI recorded in

January

33AQI

202439AQI

31
28
1
28
3
17
12
1
25
6
24
5
27
4
27
4
28
2
31
26
3
1
31
323
40
1
1

Highest AQI recorded in

April

54AQI

Lowest AQI recorded in

December

30AQI

202339AQI

30
1
27
1
26
5
19
11
24
7
22
8
17
14
28
3
30
30
1
23
3
31
307
54

Highest AQI recorded in

July

48AQI

Lowest AQI recorded in

January

32AQI

202237AQI

30
1
20
1
24
7
19
11
24
7
19
11
16
6
1
28
29
2
26
2
31
267
48

Highest AQI recorded in

April

47AQI

Lowest AQI recorded in

December

28AQI

202134AQI

30
1
24
4
28
3
23
29
2
22
8
27
4
28
3
28
2
30
1
27
3
31
327
31

Highest AQI recorded in

June

44AQI

Lowest AQI recorded in

January

24AQI

202030AQI

12
1
21
18
24
6
30
1
17
14
19
29
2
25
4
31
226
28

Highest AQI recorded in

August

51AQI

Lowest AQI recorded in

December

20AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
41AQI
Least Polluted Year Recorded
2020(Avg.)
30AQI

Tomioka's annual 2025 AQI (41) shows an average percentage change of 17.002% (worsened AQI) compared to previous years: 2020 (30), 2021 (34), 2022 (37), 2023 (39), 2024 (39).