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HistoryAQIPM2.5PM10COSO2NO2O3

Tsubame, Niigata, 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

Tsubame, Niigata, Japan

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
6th Aug 2021
57AQI
Lowest AQI recorded on
17th Aug 2021
14AQI

Same Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 39 of Good air quality, showing improvement over 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025

Tsubame, Niigata, Japan

AQI
Day
Night
.

4 AM2nd Aug 2025

7 PM

3 AM3rd Aug 2025

Day time
Avg. Highest Time
6PM2nd Aug

44AQI

Avg. Lowest Time
5PM2nd Aug

30AQI

Night time
Avg. Highest Time
7PM2nd Aug

46AQI

Avg. Lowest Time
12AM3rd Aug

32AQI

In the last 24 hours,

Tsubame's AQI reached its highest point of 46 at 7 PM during the Night, while the lowest point, 30, was recorded at 5 PM during the Day between 2nd Aug and 3rd Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Tsubame, Niigata, Japan

JulAug
04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd
Day
Night
4th Jul 2025584 AMAQI
4th Jul 2025605 AMAQI
4th Jul 2025606 AMAQI
4th Jul 2025607 AMAQI
4th Jul 2025608 AMAQI
4th Jul 2025709 AMAQI
4th Jul 20257910 AMAQI
4th Jul 20258611 AMAQI
4th Jul 20258412 PMAQI
4th Jul 2025761 PMAQI
4th Jul 2025752 PMAQI
4th Jul 2025733 PMAQI
4th Jul 2025744 PMAQI
4th Jul 2025765 PMAQI
4th Jul 2025836 PMAQI
4th Jul 2025827 PMAQI
4th Jul 2025748 PMAQI
4th Jul 2025679 PMAQI
4th Jul 20257010 PMAQI
4th Jul 20256911 PMAQI
5th Jul 20256512 AMAQI
5th Jul 2025651 AMAQI
5th Jul 2025572 AMAQI
5th Jul 2025583 AMAQI

27°C24/32°C

5th Jul 2025594 AMAQI
5th Jul 2025615 AMAQI
5th Jul 2025616 AMAQI
5th Jul 2025617 AMAQI
5th Jul 2025628 AMAQI
5th Jul 2025529 AMAQI
5th Jul 20255810 AMAQI
5th Jul 20256011 AMAQI
5th Jul 20256412 PMAQI
5th Jul 2025641 PMAQI
5th Jul 2025642 PMAQI
5th Jul 2025663 PMAQI
5th Jul 2025694 PMAQI
5th Jul 2025685 PMAQI
5th Jul 2025696 PMAQI
5th Jul 2025697 PMAQI
5th Jul 2025688 PMAQI
5th Jul 2025659 PMAQI
5th Jul 20256510 PMAQI
5th Jul 20256511 PMAQI
6th Jul 20256512 AMAQI
6th Jul 2025621 AMAQI
6th Jul 2025602 AMAQI
6th Jul 2025613 AMAQI

26°C23/30°C

6th Jul 2025604 AMAQI
6th Jul 2025595 AMAQI
6th Jul 2025596 AMAQI
6th Jul 2025597 AMAQI
6th Jul 2025598 AMAQI
6th Jul 2025629 AMAQI
6th Jul 20256010 AMAQI
6th Jul 20255411 AMAQI
6th Jul 20255212 PMAQI
6th Jul 2025511 PMAQI
6th Jul 2025492 PMAQI
6th Jul 2025493 PMAQI
6th Jul 2025484 PMAQI
6th Jul 2025495 PMAQI
6th Jul 2025526 PMAQI
6th Jul 2025547 PMAQI
6th Jul 2025548 PMAQI
6th Jul 2025569 PMAQI
6th Jul 20255610 PMAQI
6th Jul 20255711 PMAQI
7th Jul 20255712 AMAQI
7th Jul 2025581 AMAQI
7th Jul 2025602 AMAQI
7th Jul 2025603 AMAQI

27°C24/30°C

7th Jul 2025594 AMAQI
7th Jul 2025595 AMAQI
7th Jul 2025586 AMAQI
7th Jul 2025597 AMAQI
7th Jul 2025588 AMAQI
7th Jul 2025589 AMAQI
7th Jul 20255810 AMAQI
7th Jul 20255611 AMAQI
7th Jul 20255612 PMAQI
7th Jul 2025581 PMAQI
7th Jul 2025592 PMAQI
7th Jul 2025623 PMAQI
7th Jul 2025574 PMAQI
7th Jul 2025585 PMAQI
7th Jul 2025616 PMAQI
7th Jul 2025587 PMAQI
7th Jul 2025578 PMAQI
7th Jul 2025589 PMAQI
7th Jul 20255810 PMAQI
7th Jul 20255911 PMAQI
8th Jul 20255812 AMAQI
8th Jul 2025581 AMAQI
8th Jul 2025582 AMAQI
8th Jul 2025583 AMAQI

27°C23/31°C

8th Jul 2025584 AMAQI
8th Jul 2025585 AMAQI
8th Jul 2025586 AMAQI
8th Jul 2025587 AMAQI
8th Jul 2025588 AMAQI
8th Jul 2025599 AMAQI
8th Jul 20256210 AMAQI
8th Jul 20255911 AMAQI
8th Jul 20255812 PMAQI
8th Jul 2025571 PMAQI
8th Jul 2025552 PMAQI
8th Jul 2025543 PMAQI
8th Jul 2025544 PMAQI
8th Jul 2025525 PMAQI
8th Jul 2025546 PMAQI
8th Jul 2025487 PMAQI
8th Jul 2025508 PMAQI
8th Jul 2025569 PMAQI
8th Jul 20255510 PMAQI
8th Jul 20255411 PMAQI
9th Jul 20255412 AMAQI
9th Jul 2025541 AMAQI
9th Jul 2025582 AMAQI
9th Jul 2025583 AMAQI

27°C23/32°C

9th Jul 2025584 AMAQI
9th Jul 2025585 AMAQI
9th Jul 2025586 AMAQI
9th Jul 2025587 AMAQI
9th Jul 2025588 AMAQI
9th Jul 2025439 AMAQI
9th Jul 20254210 AMAQI
9th Jul 20255011 AMAQI
9th Jul 20255212 PMAQI
9th Jul 2025491 PMAQI
9th Jul 2025462 PMAQI
9th Jul 2025463 PMAQI
9th Jul 2025444 PMAQI
9th Jul 2025395 PMAQI
9th Jul 2025446 PMAQI
9th Jul 2025437 PMAQI
9th Jul 2025438 PMAQI
9th Jul 2025529 PMAQI
9th Jul 20255210 PMAQI
9th Jul 20255011 PMAQI
10th Jul 20254912 AMAQI
10th Jul 2025541 AMAQI
10th Jul 2025572 AMAQI
10th Jul 2025573 AMAQI

26°C22/31°C

10th Jul 2025574 AMAQI
10th Jul 2025565 AMAQI
10th Jul 2025566 AMAQI
10th Jul 2025567 AMAQI
10th Jul 2025568 AMAQI
10th Jul 2025339 AMAQI
10th Jul 20253410 AMAQI
10th Jul 20253511 AMAQI
10th Jul 20253512 PMAQI
10th Jul 2025341 PMAQI
10th Jul 2025292 PMAQI
10th Jul 2025343 PMAQI
10th Jul 2025364 PMAQI
10th Jul 2025375 PMAQI
10th Jul 2025386 PMAQI
10th Jul 2025357 PMAQI
10th Jul 2025438 PMAQI
10th Jul 2025529 PMAQI
10th Jul 20255210 PMAQI
10th Jul 20255211 PMAQI
11th Jul 20255212 AMAQI
11th Jul 2025531 AMAQI
11th Jul 2025562 AMAQI
11th Jul 2025563 AMAQI

26°C21/31°C

11th Jul 2025554 AMAQI
11th Jul 2025545 AMAQI
11th Jul 2025546 AMAQI
11th Jul 2025547 AMAQI
11th Jul 2025548 AMAQI
11th Jul 2025369 AMAQI
11th Jul 20253910 AMAQI
11th Jul 20253311 AMAQI
11th Jul 20252912 PMAQI
11th Jul 2025251 PMAQI
11th Jul 2025302 PMAQI
11th Jul 2025303 PMAQI
11th Jul 2025294 PMAQI
11th Jul 2025295 PMAQI
11th Jul 2025296 PMAQI
11th Jul 2025307 PMAQI
11th Jul 2025358 PMAQI
11th Jul 2025479 PMAQI
11th Jul 20254210 PMAQI
11th Jul 20254211 PMAQI
12th Jul 20254412 AMAQI
12th Jul 2025481 AMAQI
12th Jul 2025552 AMAQI
12th Jul 2025553 AMAQI

25°C20/31°C

12th Jul 2025544 AMAQI
12th Jul 2025525 AMAQI
12th Jul 2025526 AMAQI
12th Jul 2025527 AMAQI
12th Jul 2025528 AMAQI
12th Jul 2025309 AMAQI
12th Jul 20253010 AMAQI
12th Jul 20253711 AMAQI
12th Jul 20253812 PMAQI
12th Jul 2025351 PMAQI
12th Jul 2025342 PMAQI
12th Jul 2025363 PMAQI
12th Jul 2025334 PMAQI
12th Jul 2025345 PMAQI
12th Jul 2025366 PMAQI
12th Jul 2025317 PMAQI
12th Jul 2025378 PMAQI
12th Jul 2025429 PMAQI
12th Jul 20254110 PMAQI
12th Jul 20254611 PMAQI
13th Jul 20254412 AMAQI
13th Jul 2025471 AMAQI
13th Jul 2025522 AMAQI
13th Jul 2025523 AMAQI

24°C19/29°C

13th Jul 2025524 AMAQI
13th Jul 2025505 AMAQI
13th Jul 2025526 AMAQI
13th Jul 2025517 AMAQI
13th Jul 2025528 AMAQI
13th Jul 2025429 AMAQI
13th Jul 20253410 AMAQI
13th Jul 20254111 AMAQI
13th Jul 20253812 PMAQI
13th Jul 2025431 PMAQI
13th Jul 2025462 PMAQI
13th Jul 2025493 PMAQI
13th Jul 2025424 PMAQI
13th Jul 2025415 PMAQI
13th Jul 2025446 PMAQI
13th Jul 2025427 PMAQI
13th Jul 2025458 PMAQI
13th Jul 2025489 PMAQI
13th Jul 20254910 PMAQI
13th Jul 20255011 PMAQI
14th Jul 20255112 AMAQI
14th Jul 2025521 AMAQI
14th Jul 2025522 AMAQI
14th Jul 2025523 AMAQI

25°C19/32°C

14th Jul 2025514 AMAQI
14th Jul 2025505 AMAQI
14th Jul 2025506 AMAQI
14th Jul 2025507 AMAQI
14th Jul 2025518 AMAQI
14th Jul 2025369 AMAQI
14th Jul 20252710 AMAQI
14th Jul 20252511 AMAQI
14th Jul 20251812 PMAQI
14th Jul 2025231 PMAQI
14th Jul 2025342 PMAQI
14th Jul 2025213 PMAQI
14th Jul 2025204 PMAQI
14th Jul 2025185 PMAQI
14th Jul 2025206 PMAQI
14th Jul 2025207 PMAQI
14th Jul 2025288 PMAQI
14th Jul 2025369 PMAQI
14th Jul 20253610 PMAQI
14th Jul 20253611 PMAQI
15th Jul 20253812 AMAQI
15th Jul 2025391 AMAQI
15th Jul 2025382 AMAQI
15th Jul 2025443 AMAQI

27°C22/33°C

15th Jul 2025504 AMAQI
15th Jul 2025485 AMAQI
15th Jul 2025486 AMAQI
15th Jul 2025487 AMAQI
15th Jul 2025488 AMAQI
15th Jul 2025249 AMAQI
15th Jul 20251510 AMAQI
15th Jul 20251511 AMAQI
15th Jul 20251712 PMAQI
15th Jul 2025211 PMAQI
15th Jul 2025242 PMAQI
15th Jul 2025223 PMAQI
15th Jul 2025194 PMAQI
15th Jul 2025195 PMAQI
15th Jul 2025196 PMAQI
15th Jul 2025187 PMAQI
15th Jul 2025228 PMAQI
15th Jul 2025309 PMAQI
15th Jul 20253110 PMAQI
15th Jul 20253011 PMAQI
16th Jul 20253212 AMAQI
16th Jul 2025361 AMAQI
16th Jul 2025462 AMAQI
16th Jul 2025463 AMAQI

26°C24/31°C

16th Jul 2025444 AMAQI
16th Jul 2025425 AMAQI
16th Jul 2025426 AMAQI
16th Jul 2025427 AMAQI
16th Jul 2025428 AMAQI
16th Jul 2025359 AMAQI
16th Jul 20253010 AMAQI
16th Jul 20253411 AMAQI
16th Jul 20253212 PMAQI
16th Jul 2025321 PMAQI
16th Jul 2025422 PMAQI
16th Jul 2025403 PMAQI
16th Jul 2025394 PMAQI
16th Jul 2025385 PMAQI
16th Jul 2025416 PMAQI
16th Jul 2025387 PMAQI
16th Jul 2025398 PMAQI
16th Jul 2025439 PMAQI
16th Jul 20254110 PMAQI
16th Jul 20253811 PMAQI
17th Jul 20253812 AMAQI
17th Jul 2025401 AMAQI
17th Jul 2025422 AMAQI
17th Jul 2025433 AMAQI

29°C24/36°C

17th Jul 2025424 AMAQI
17th Jul 2025425 AMAQI
17th Jul 2025426 AMAQI
17th Jul 2025427 AMAQI
17th Jul 2025428 AMAQI
17th Jul 2025239 AMAQI
17th Jul 20251810 AMAQI
17th Jul 20251811 AMAQI
17th Jul 20251612 PMAQI
17th Jul 2025231 PMAQI
17th Jul 2025252 PMAQI
17th Jul 2025243 PMAQI
17th Jul 2025234 PMAQI
17th Jul 2025235 PMAQI
17th Jul 2025226 PMAQI
17th Jul 2025237 PMAQI
17th Jul 2025278 PMAQI
17th Jul 2025359 PMAQI
17th Jul 20253410 PMAQI
17th Jul 20253711 PMAQI
18th Jul 20253512 AMAQI
18th Jul 2025361 AMAQI
18th Jul 2025442 AMAQI
18th Jul 2025423 AMAQI

26°C24/31°C

18th Jul 2025414 AMAQI
18th Jul 2025385 AMAQI
18th Jul 2025386 AMAQI
18th Jul 2025387 AMAQI
18th Jul 2025388 AMAQI
18th Jul 2025309 AMAQI
18th Jul 20252910 AMAQI
18th Jul 20253611 AMAQI
18th Jul 20253312 PMAQI
18th Jul 2025311 PMAQI
18th Jul 2025362 PMAQI
18th Jul 2025343 PMAQI
18th Jul 2025364 PMAQI
18th Jul 2025265 PMAQI
18th Jul 2025266 PMAQI
18th Jul 2025267 PMAQI
18th Jul 2025308 PMAQI
18th Jul 2025339 PMAQI
18th Jul 20253510 PMAQI
18th Jul 20253511 PMAQI
19th Jul 20253112 AMAQI
19th Jul 2025351 AMAQI
19th Jul 2025412 AMAQI
19th Jul 2025423 AMAQI

28°C23/36°C

19th Jul 2025404 AMAQI
19th Jul 2025405 AMAQI
19th Jul 2025406 AMAQI
19th Jul 2025407 AMAQI
19th Jul 2025408 AMAQI
19th Jul 2025399 AMAQI
19th Jul 20255110 AMAQI
19th Jul 20255211 AMAQI
19th Jul 20254512 PMAQI
19th Jul 2025461 PMAQI
19th Jul 2025372 PMAQI
19th Jul 2025343 PMAQI
19th Jul 2025374 PMAQI
19th Jul 2025325 PMAQI
19th Jul 2025296 PMAQI
19th Jul 2025237 PMAQI
19th Jul 2025288 PMAQI
19th Jul 2025339 PMAQI
19th Jul 20253410 PMAQI
19th Jul 20253411 PMAQI
20th Jul 20253412 AMAQI
20th Jul 2025351 AMAQI
20th Jul 2025402 AMAQI
20th Jul 2025443 AMAQI

28°C24/33°C

20th Jul 2025444 AMAQI
20th Jul 2025425 AMAQI
20th Jul 2025436 AMAQI
20th Jul 2025427 AMAQI
20th Jul 2025428 AMAQI
20th Jul 2025389 AMAQI
20th Jul 20254010 AMAQI
20th Jul 20254411 AMAQI
20th Jul 20254412 PMAQI
20th Jul 2025411 PMAQI
20th Jul 2025442 PMAQI
20th Jul 2025443 PMAQI
20th Jul 2025464 PMAQI
20th Jul 2025425 PMAQI
20th Jul 2025406 PMAQI
20th Jul 2025397 PMAQI
20th Jul 2025408 PMAQI
20th Jul 2025429 PMAQI
20th Jul 20254210 PMAQI
20th Jul 20254111 PMAQI
21st Jul 20254112 AMAQI
21st Jul 2025421 AMAQI
21st Jul 2025422 AMAQI
21st Jul 2025423 AMAQI

28°C23/33°C

21st Jul 2025424 AMAQI
21st Jul 2025445 AMAQI
21st Jul 2025446 AMAQI
21st Jul 2025437 AMAQI
21st Jul 2025438 AMAQI
21st Jul 2025369 AMAQI
21st Jul 20254110 AMAQI
21st Jul 20254611 AMAQI
21st Jul 20255212 PMAQI
21st Jul 2025451 PMAQI
21st Jul 2025432 PMAQI
21st Jul 2025473 PMAQI
21st Jul 2025444 PMAQI
21st Jul 2025425 PMAQI
21st Jul 2025426 PMAQI
21st Jul 2025427 PMAQI
21st Jul 2025428 PMAQI
21st Jul 2025429 PMAQI
21st Jul 20254210 PMAQI
21st Jul 20254011 PMAQI
22nd Jul 20254012 AMAQI
22nd Jul 2025411 AMAQI
22nd Jul 2025422 AMAQI
22nd Jul 2025423 AMAQI

29°C23/34°C

22nd Jul 2025424 AMAQI
22nd Jul 2025445 AMAQI
22nd Jul 2025436 AMAQI
22nd Jul 2025437 AMAQI
22nd Jul 2025428 AMAQI
22nd Jul 2025439 AMAQI
22nd Jul 20254510 AMAQI
22nd Jul 20254811 AMAQI
22nd Jul 20254412 PMAQI
22nd Jul 2025441 PMAQI
22nd Jul 2025352 PMAQI
22nd Jul 2025323 PMAQI
22nd Jul 2025314 PMAQI
22nd Jul 2025345 PMAQI
22nd Jul 2025286 PMAQI
22nd Jul 2025257 PMAQI
22nd Jul 2025338 PMAQI
22nd Jul 2025359 PMAQI
22nd Jul 20253510 PMAQI
22nd Jul 20253311 PMAQI
23rd Jul 20253412 AMAQI
23rd Jul 2025381 AMAQI
23rd Jul 2025442 AMAQI
23rd Jul 2025433 AMAQI

29°C24/35°C

23rd Jul 2025424 AMAQI
23rd Jul 2025425 AMAQI
23rd Jul 2025426 AMAQI
23rd Jul 2025437 AMAQI
23rd Jul 2025438 AMAQI
23rd Jul 2025409 AMAQI
23rd Jul 20254710 AMAQI
23rd Jul 20254511 AMAQI
23rd Jul 20254712 PMAQI
23rd Jul 2025431 PMAQI
23rd Jul 2025432 PMAQI
23rd Jul 2025393 PMAQI
23rd Jul 2025404 PMAQI
23rd Jul 2025385 PMAQI
23rd Jul 2025396 PMAQI
23rd Jul 2025327 PMAQI
23rd Jul 2025408 PMAQI
23rd Jul 2025389 PMAQI
23rd Jul 20253610 PMAQI
23rd Jul 20253711 PMAQI
24th Jul 20253812 AMAQI
24th Jul 2025381 AMAQI
24th Jul 2025422 AMAQI
24th Jul 2025423 AMAQI

28°C24/34°C

24th Jul 2025424 AMAQI
24th Jul 2025425 AMAQI
24th Jul 2025436 AMAQI
24th Jul 2025427 AMAQI
24th Jul 2025428 AMAQI
24th Jul 2025489 AMAQI
24th Jul 20255010 AMAQI
24th Jul 20254911 AMAQI
24th Jul 20255412 PMAQI
24th Jul 2025531 PMAQI
24th Jul 2025472 PMAQI
24th Jul 2025503 PMAQI
24th Jul 2025544 PMAQI
24th Jul 2025545 PMAQI
24th Jul 2025526 PMAQI
24th Jul 2025527 PMAQI
24th Jul 2025438 PMAQI
24th Jul 2025449 PMAQI
24th Jul 20255010 PMAQI
24th Jul 20255211 PMAQI
25th Jul 20255212 AMAQI
25th Jul 2025521 AMAQI
25th Jul 2025422 AMAQI
25th Jul 2025423 AMAQI

28°C23/34°C

25th Jul 2025444 AMAQI
25th Jul 2025455 AMAQI
25th Jul 2025456 AMAQI
25th Jul 2025447 AMAQI
25th Jul 2025458 AMAQI
25th Jul 2025539 AMAQI
25th Jul 20255610 AMAQI
25th Jul 20255511 AMAQI
25th Jul 20255412 PMAQI
25th Jul 2025491 PMAQI
25th Jul 2025472 PMAQI
25th Jul 2025483 PMAQI
25th Jul 2025524 PMAQI
25th Jul 2025445 PMAQI
25th Jul 2025386 PMAQI
25th Jul 2025387 PMAQI
25th Jul 2025398 PMAQI
25th Jul 2025389 PMAQI
25th Jul 20253610 PMAQI
25th Jul 20253811 PMAQI
26th Jul 20254212 AMAQI
26th Jul 2025401 AMAQI
26th Jul 2025472 AMAQI
26th Jul 2025463 AMAQI

28°C23/34°C

26th Jul 2025484 AMAQI
26th Jul 2025485 AMAQI
26th Jul 2025486 AMAQI
26th Jul 2025487 AMAQI
26th Jul 2025488 AMAQI
26th Jul 2025539 AMAQI
26th Jul 20255710 AMAQI
26th Jul 20255811 AMAQI
26th Jul 20255812 PMAQI
26th Jul 2025551 PMAQI
26th Jul 2025562 PMAQI
26th Jul 2025563 PMAQI
26th Jul 2025574 PMAQI
26th Jul 2025535 PMAQI
26th Jul 2025556 PMAQI
26th Jul 2025527 PMAQI
26th Jul 2025468 PMAQI
26th Jul 2025479 PMAQI
26th Jul 20254610 PMAQI
26th Jul 20254911 PMAQI
27th Jul 20254612 AMAQI
27th Jul 2025471 AMAQI
27th Jul 2025462 AMAQI
27th Jul 2025473 AMAQI

29°C22/35°C

27th Jul 2025484 AMAQI
27th Jul 2025505 AMAQI
27th Jul 2025506 AMAQI
27th Jul 2025507 AMAQI
27th Jul 2025508 AMAQI
27th Jul 2025529 AMAQI
27th Jul 20255410 AMAQI
27th Jul 20255111 AMAQI
27th Jul 20254212 PMAQI
27th Jul 2025381 PMAQI
27th Jul 2025342 PMAQI
27th Jul 2025313 PMAQI
27th Jul 2025304 PMAQI
27th Jul 2025295 PMAQI
27th Jul 2025276 PMAQI
27th Jul 2025257 PMAQI
27th Jul 2025318 PMAQI
27th Jul 2025369 PMAQI
27th Jul 20253610 PMAQI
27th Jul 20253811 PMAQI
28th Jul 20253512 AMAQI
28th Jul 2025401 AMAQI
28th Jul 2025482 AMAQI
28th Jul 2025483 AMAQI

29°C24/34°C

28th Jul 2025484 AMAQI
28th Jul 2025485 AMAQI
28th Jul 2025476 AMAQI
28th Jul 2025477 AMAQI
28th Jul 2025488 AMAQI
28th Jul 2025469 AMAQI
28th Jul 20254210 AMAQI
28th Jul 20254611 AMAQI
28th Jul 20255012 PMAQI
28th Jul 2025401 PMAQI
28th Jul 2025412 PMAQI
28th Jul 2025373 PMAQI
28th Jul 2025364 PMAQI
28th Jul 2025285 PMAQI
28th Jul 2025296 PMAQI
28th Jul 2025357 PMAQI
28th Jul 2025408 PMAQI
28th Jul 2025409 PMAQI
28th Jul 20253910 PMAQI
28th Jul 20253911 PMAQI
29th Jul 20254012 AMAQI
29th Jul 2025431 AMAQI
29th Jul 2025462 AMAQI
29th Jul 2025463 AMAQI

29°C24/34°C

29th Jul 2025464 AMAQI
29th Jul 2025455 AMAQI
29th Jul 2025456 AMAQI
29th Jul 2025467 AMAQI
29th Jul 2025458 AMAQI
29th Jul 2025469 AMAQI
29th Jul 20255110 AMAQI
29th Jul 20254611 AMAQI
29th Jul 20254812 PMAQI
29th Jul 2025511 PMAQI
29th Jul 2025462 PMAQI
29th Jul 2025363 PMAQI
29th Jul 2025304 PMAQI
29th Jul 2025275 PMAQI
29th Jul 2025246 PMAQI
29th Jul 2025247 PMAQI
29th Jul 2025278 PMAQI
29th Jul 2025329 PMAQI
29th Jul 20253210 PMAQI
29th Jul 20253211 PMAQI
30th Jul 20253412 AMAQI
30th Jul 2025381 AMAQI
30th Jul 2025452 AMAQI
30th Jul 2025453 AMAQI

29°C23/34°C

30th Jul 2025454 AMAQI
30th Jul 2025465 AMAQI
30th Jul 2025466 AMAQI
30th Jul 2025467 AMAQI
30th Jul 2025468 AMAQI
30th Jul 2025369 AMAQI
30th Jul 20253910 AMAQI
30th Jul 20254411 AMAQI
30th Jul 20255012 PMAQI
30th Jul 2025491 PMAQI
30th Jul 2025522 PMAQI
30th Jul 2025473 PMAQI
30th Jul 2025504 PMAQI
30th Jul 2025485 PMAQI
30th Jul 2025466 PMAQI
30th Jul 2025487 PMAQI
30th Jul 2025468 PMAQI
30th Jul 2025449 PMAQI
30th Jul 20254410 PMAQI
30th Jul 20254411 PMAQI
31st Jul 20254212 AMAQI
31st Jul 2025421 AMAQI
31st Jul 2025442 AMAQI
31st Jul 2025443 AMAQI

29°C24/36°C

31st Jul 2025424 AMAQI
31st Jul 2025425 AMAQI
31st Jul 2025426 AMAQI
31st Jul 2025427 AMAQI
31st Jul 2025428 AMAQI
31st Jul 2025429 AMAQI
31st Jul 20254210 AMAQI
31st Jul 20254011 AMAQI
31st Jul 20253912 PMAQI
31st Jul 2025381 PMAQI
31st Jul 2025392 PMAQI
31st Jul 2025383 PMAQI
31st Jul 2025394 PMAQI
31st Jul 2025405 PMAQI
31st Jul 2025346 PMAQI
31st Jul 2025367 PMAQI
31st Jul 2025348 PMAQI
31st Jul 2025349 PMAQI
31st Jul 20253410 PMAQI
31st Jul 20253711 PMAQI
1st Aug 20253212 AMAQI
1st Aug 2025401 AMAQI
1st Aug 2025402 AMAQI
1st Aug 2025403 AMAQI

30°C23/37°C

1st Aug 2025404 AMAQI
1st Aug 2025405 AMAQI
1st Aug 2025406 AMAQI
1st Aug 2025407 AMAQI
1st Aug 2025398 AMAQI
1st Aug 2025489 AMAQI
1st Aug 20253410 AMAQI
1st Aug 20253411 AMAQI
1st Aug 20253912 PMAQI
1st Aug 2025341 PMAQI
1st Aug 2025352 PMAQI
1st Aug 2025343 PMAQI
1st Aug 2025464 PMAQI
1st Aug 2025435 PMAQI
1st Aug 2025416 PMAQI
1st Aug 2025307 PMAQI
1st Aug 2025368 PMAQI
1st Aug 2025319 PMAQI
1st Aug 20253610 PMAQI
1st Aug 20253311 PMAQI
2nd Aug 20253112 AMAQI
2nd Aug 2025361 AMAQI
2nd Aug 2025392 AMAQI
2nd Aug 2025413 AMAQI

29°C21/37°C

2nd Aug 2025414 AMAQI
2nd Aug 2025415 AMAQI
2nd Aug 2025426 AMAQI
2nd Aug 2025407 AMAQI
2nd Aug 2025408 AMAQI
2nd Aug 2025349 AMAQI
2nd Aug 20253310 AMAQI
2nd Aug 20253911 AMAQI
2nd Aug 20253812 PMAQI
2nd Aug 2025361 PMAQI
2nd Aug 2025402 PMAQI
2nd Aug 2025433 PMAQI
2nd Aug 2025404 PMAQI
2nd Aug 2025305 PMAQI
2nd Aug 2025446 PMAQI
2nd Aug 2025467 PMAQI
2nd Aug 2025398 PMAQI
2nd Aug 2025359 PMAQI
2nd Aug 20253410 PMAQI
2nd Aug 20254011 PMAQI
3rd Aug 20253212 AMAQI
3rd Aug 2025361 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025393 AMAQI

27°C24/33°C

3rd Aug 2025404 AMAQI
4 AM
3rd Aug 2025405 AMAQI
3rd Aug 2025386 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025398 AMAQI
3rd Aug 2025439 AMAQI
3rd Aug 20254710 AMAQI
3rd Aug 20254711 AMAQI
11 AM
3rd Aug 20255512 PMAQI
3rd Aug 2025501 PMAQI
3rd Aug 2025502 PMAQI
3rd Aug 2025443 PMAQI
3rd Aug 2025474 PMAQI
7 PM
11 PM
3 AM

--°C/°C

Day time
Avg. Highest Time
4 AM - 8 AM

48AQI

5 hours / Day
150 hours / Month
Avg. Lowest Time
9 AM - 7 PM

42AQI

11 hours / Day
330 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 8 AM (Avg. 48), while the lowest AQI was between 9 AM to 7 PM (Avg. 42).
Night time
Avg. Highest Time
2 AM - 3 AM

48AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
8 PM - 11 PM

43AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 3 AM (Avg. 48), while the lowest AQI was between 8 PM to 11 PM (Avg. 43).

2025 Days Vs Air Quality

Tsubame, Niigata, Japan

2025

86%

185

14%

29

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

Good
185 Days
Moderate
29 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 86%

Health Risk Level:

Low

In 2025, 86% 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

Tsubame, Niigata, 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
31AQI
2nd January 2025
30AQI
3rd January 2025
29AQI
4th January 2025
28AQI
5th January 2025
27AQI
6th January 2025
29AQI
7th January 2025
31AQI
8th January 2025
27AQI
9th January 2025
31AQI
10th January 2025
29AQI
11th January 2025
29AQI
12th January 2025
27AQI
13th January 2025
30AQI
14th January 2025
31AQI
15th January 2025
27AQI
16th January 2025
29AQI
17th January 2025
28AQI
18th January 2025
28AQI
19th January 2025
27AQI
20th January 2025
33AQI
21st January 2025
38AQI
22nd January 2025
32AQI
23rd January 2025
40AQI
24th January 2025
33AQI
25th January 2025
34AQI
26th January 2025
28AQI
27th January 2025
25AQI
28th January 2025
29AQI
29th January 2025
29AQI
30th January 2025
30AQI
31st January 2025
31AQI
1st February 2025
29AQI
2nd February 2025
29AQI
3rd February 2025
29AQI
4th February 2025
31AQI
5th February 2025
30AQI
6th February 2025
32AQI
7th February 2025
31AQI
8th February 2025
32AQI
9th February 2025
32AQI
10th February 2025
31AQI
11th February 2025
33AQI
12th February 2025
30AQI
13th February 2025
32AQI
14th February 2025
31AQI
15th February 2025
31AQI
16th February 2025
34AQI
17th February 2025
41AQI
18th February 2025
32AQI
19th February 2025
34AQI
20th February 2025
32AQI
21st February 2025
32AQI
22nd February 2025
32AQI
23rd February 2025
34AQI
24th February 2025
33AQI
25th February 2025
34AQI
26th February 2025
47AQI
27th February 2025
49AQI
28th February 2025
54AQI
1st March 2025
51AQI
2nd March 2025
55AQI
3rd March 2025
39AQI
4th March 2025
40AQI
5th March 2025
29AQI
6th March 2025
33AQI
7th March 2025
34AQI
8th March 2025
34AQI
9th March 2025
34AQI
10th March 2025
41AQI
11th March 2025
41AQI
12th March 2025
40AQI
13th March 2025
50AQI
14th March 2025
39AQI
15th March 2025
38AQI
16th March 2025
23AQI
17th March 2025
22AQI
18th March 2025
25AQI
19th March 2025
20AQI
20th March 2025
30AQI
21st March 2025
46AQI
22nd March 2025
52AQI
23rd March 2025
50AQI
24th March 2025
55AQI
25th March 2025
68AQI
26th March 2025
63AQI
27th March 2025
65AQI
28th March 2025
49AQI
29th March 2025
38AQI
30th March 2025
32AQI
31st March 2025
30AQI
1st April 2025
25AQI
2nd April 2025
22AQI
3rd April 2025
19AQI
4th April 2025
19AQI
5th April 2025
27AQI
6th April 2025
27AQI
7th April 2025
28AQI
8th April 2025
38AQI
9th April 2025
28AQI
10th April 2025
39AQI
11th April 2025
41AQI
12th April 2025
39AQI
13th April 2025
27AQI
14th April 2025
24AQI
15th April 2025
22AQI
16th April 2025
32AQI
17th April 2025
42AQI
18th April 2025
51AQI
19th April 2025
57AQI
20th April 2025
46AQI
21st April 2025
40AQI
22nd April 2025
45AQI
23rd April 2025
30AQI
24th April 2025
24AQI
25th April 2025
28AQI
26th April 2025
46AQI
27th April 2025
43AQI
28th April 2025
46AQI
29th April 2025
33AQI
30th April 2025
30AQI
1st May 2025
42AQI
2nd May 2025
25AQI
3rd May 2025
34AQI
4th May 2025
33AQI
5th May 2025
38AQI
6th May 2025
30AQI
7th May 2025
30AQI
8th May 2025
29AQI
9th May 2025
38AQI
10th May 2025
26AQI
11th May 2025
31AQI
12th May 2025
32AQI
13th May 2025
48AQI
14th May 2025
48AQI
15th May 2025
53AQI
16th May 2025
56AQI
17th May 2025
43AQI
18th May 2025
54AQI
19th May 2025
48AQI
20th May 2025
57AQI
21st May 2025
60AQI
22nd May 2025
45AQI
23rd May 2025
47AQI
24th May 2025
41AQI
25th May 2025
30AQI
26th May 2025
31AQI
27th May 2025
31AQI
28th May 2025
35AQI
29th May 2025
35AQI
30th May 2025
35AQI
31st May 2025
25AQI
1st June 2025
24AQI
2nd June 2025
36AQI
3rd June 2025
42AQI
4th June 2025
35AQI
5th June 2025
39AQI
6th June 2025
42AQI
7th June 2025
50AQI
8th June 2025
55AQI
9th June 2025
59AQI
10th June 2025
53AQI
11th June 2025
45AQI
12th June 2025
44AQI
13th June 2025
36AQI
14th June 2025
41AQI
15th June 2025
25AQI
16th June 2025
30AQI
17th June 2025
36AQI
18th June 2025
39AQI
19th June 2025
45AQI
20th June 2025
49AQI
21st June 2025
56AQI
22nd June 2025
63AQI
23rd June 2025
44AQI
24th June 2025
43AQI
25th June 2025
46AQI
26th June 2025
37AQI
27th June 2025
52AQI
28th June 2025
35AQI
29th June 2025
39AQI
30th June 2025
47AQI
1st July 2025
49AQI
2nd July 2025
62AQI
3rd July 2025
64AQI
4th July 2025
69AQI
5th July 2025
63AQI
6th July 2025
56AQI
7th July 2025
58AQI
8th July 2025
56AQI
9th July 2025
51AQI
10th July 2025
46AQI
11th July 2025
42AQI
12th July 2025
42AQI
13th July 2025
46AQI
14th July 2025
36AQI
15th July 2025
31AQI
16th July 2025
39AQI
17th July 2025
32AQI
18th July 2025
34AQI
19th July 2025
37AQI
20th July 2025
41AQI
21st July 2025
43AQI
22nd July 2025
38AQI
23rd July 2025
40AQI
24th July 2025
47AQI
25th July 2025
45AQI
26th July 2025
50AQI
27th July 2025
41AQI
28th July 2025
41AQI
29th July 2025
39AQI
30th July 2025
45AQI
31st July 2025
39AQI
1st August 2025
38AQI
2nd August 2025
39AQI

30AQI

34AQI

41AQI

34AQI

39AQI

43AQI

46AQI

39AQI

No. of days

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

202538AQI

31
27
1
24
7
28
2
26
5
24
6
23
8
2
185
29

Highest AQI recorded in

July

46AQI

Lowest AQI recorded in

January

30AQI

202434AQI

31
29
28
3
20
10
30
1
25
5
27
4
31
30
31
29
1
31
342
24

Highest AQI recorded in

April

47AQI

Lowest AQI recorded in

August

27AQI

202335AQI

31
27
1
25
6
24
6
26
5
26
4
25
6
31
30
31
27
2
31
334
30

Highest AQI recorded in

April

45AQI

Lowest AQI recorded in

October

28AQI

202234AQI

31
21
27
4
15
2
23
8
25
5
21
2
29
30
1
27
3
31
282
23

Highest AQI recorded in

May

44AQI

Lowest AQI recorded in

December

26AQI

202130AQI

30
1
26
2
27
2
19
2
29
2
23
7
31
29
2
30
31
30
19
324
18

Highest AQI recorded in

June

41AQI

Lowest AQI recorded in

January

23AQI

202025AQI

13
21
17
1
28
2
28
1
21
8
2
19
30
1
28
2
31
236
15
2

Highest AQI recorded in

August

44AQI

Lowest AQI recorded in

December

15AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
38AQI
Least Polluted Year Recorded
2020(Avg.)
25AQI

Tsubame's annual 2025 AQI (38) shows an average percentage change of 23.1% (worsened AQI) compared to previous years: 2020 (25), 2021 (30), 2022 (34), 2023 (35), 2024 (34).