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HistoryAQIPM2.5PM10COSO2NO2O3

Tokamachi, 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

Tokamachi, Niigata, Japan

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
5th Aug 2023
52AQI
Lowest AQI recorded on
17th Aug 2021
13AQI

Same Day Analysis (19th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 44 of Good air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 20th Aug - 21st Aug 2025

Tokamachi, Niigata, Japan

AQI
Day
Night
.

4 AM20th Aug 2025

6 PM

3 AM21st Aug 2025

Day time
Avg. Highest Time
12AMNaNth undefined

AQI

Avg. Lowest Time
12AMNaNth undefined

AQI

Night time
Avg. Highest Time
2PM20th Aug

59AQI

Avg. Lowest Time
8AM20th Aug

42AQI

In the last 24 hours,

Tokamachi's AQI reached its highest point of 59 at 2 PM during the Night, while the lowest point, 42, was recorded at 8 AM during the Night between 20th Aug and 21st Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Tokamachi, Niigata, Japan

JulAug
22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st
Day
Night
22nd Jul 2025414 AMAQI
22nd Jul 2025425 AMAQI
22nd Jul 2025416 AMAQI
22nd Jul 2025417 AMAQI
22nd Jul 2025428 AMAQI
22nd Jul 2025429 AMAQI
22nd Jul 20255110 AMAQI
22nd Jul 20255411 AMAQI
22nd Jul 20255412 PMAQI
22nd Jul 2025491 PMAQI
22nd Jul 2025462 PMAQI
22nd Jul 2025413 PMAQI
22nd Jul 2025464 PMAQI
22nd Jul 2025455 PMAQI
22nd Jul 2025466 PMAQI
22nd Jul 2025407 PMAQI
22nd Jul 2025408 PMAQI
22nd Jul 2025429 PMAQI
22nd Jul 20254210 PMAQI
22nd Jul 20254211 PMAQI
23rd Jul 20254112 AMAQI
23rd Jul 2025391 AMAQI
23rd Jul 2025402 AMAQI
23rd Jul 2025413 AMAQI

26°C20/34°C

23rd Jul 2025414 AMAQI
23rd Jul 2025425 AMAQI
23rd Jul 2025426 AMAQI
23rd Jul 2025437 AMAQI
23rd Jul 2025428 AMAQI
23rd Jul 2025469 AMAQI
23rd Jul 20255210 AMAQI
23rd Jul 20255311 AMAQI
23rd Jul 20255312 PMAQI
23rd Jul 2025501 PMAQI
23rd Jul 2025502 PMAQI
23rd Jul 2025523 PMAQI
23rd Jul 2025524 PMAQI
23rd Jul 2025505 PMAQI
23rd Jul 2025486 PMAQI
23rd Jul 2025437 PMAQI
23rd Jul 2025368 PMAQI
23rd Jul 2025409 PMAQI
23rd Jul 20253910 PMAQI
23rd Jul 20254011 PMAQI
24th Jul 20253912 AMAQI
24th Jul 2025401 AMAQI
24th Jul 2025422 AMAQI
24th Jul 2025413 AMAQI

26°C20/33°C

24th Jul 2025424 AMAQI
24th Jul 2025445 AMAQI
24th Jul 2025436 AMAQI
24th Jul 2025437 AMAQI
24th Jul 2025448 AMAQI
24th Jul 2025489 AMAQI
24th Jul 20255610 AMAQI
24th Jul 20255811 AMAQI
24th Jul 20255512 PMAQI
24th Jul 2025501 PMAQI
24th Jul 2025452 PMAQI
24th Jul 2025443 PMAQI
24th Jul 2025444 PMAQI
24th Jul 2025485 PMAQI
24th Jul 2025506 PMAQI
24th Jul 2025507 PMAQI
24th Jul 2025468 PMAQI
24th Jul 2025479 PMAQI
24th Jul 20254810 PMAQI
24th Jul 20254511 PMAQI
25th Jul 20254412 AMAQI
25th Jul 2025431 AMAQI
25th Jul 2025432 AMAQI
25th Jul 2025423 AMAQI

26°C21/34°C

25th Jul 2025434 AMAQI
25th Jul 2025445 AMAQI
25th Jul 2025446 AMAQI
25th Jul 2025447 AMAQI
25th Jul 2025448 AMAQI
25th Jul 2025529 AMAQI
25th Jul 20255810 AMAQI
25th Jul 20255811 AMAQI
25th Jul 20255812 PMAQI
25th Jul 2025551 PMAQI
25th Jul 2025542 PMAQI
25th Jul 2025533 PMAQI
25th Jul 2025554 PMAQI
25th Jul 2025545 PMAQI
25th Jul 2025526 PMAQI
25th Jul 2025507 PMAQI
25th Jul 2025458 PMAQI
25th Jul 2025479 PMAQI
25th Jul 20254610 PMAQI
25th Jul 20254811 PMAQI
26th Jul 20254812 AMAQI
26th Jul 2025461 AMAQI
26th Jul 2025462 AMAQI
26th Jul 2025463 AMAQI

26°C21/34°C

26th Jul 2025464 AMAQI
26th Jul 2025475 AMAQI
26th Jul 2025466 AMAQI
26th Jul 2025477 AMAQI
26th Jul 2025478 AMAQI
26th Jul 2025549 AMAQI
26th Jul 20255910 AMAQI
26th Jul 20256011 AMAQI
26th Jul 20255812 PMAQI
26th Jul 2025561 PMAQI
26th Jul 2025542 PMAQI
26th Jul 2025533 PMAQI
26th Jul 2025534 PMAQI
26th Jul 2025525 PMAQI
26th Jul 2025526 PMAQI
26th Jul 2025447 PMAQI
26th Jul 2025438 PMAQI
26th Jul 2025469 PMAQI
26th Jul 20254510 PMAQI
26th Jul 20254611 PMAQI
27th Jul 20254712 AMAQI
27th Jul 2025491 AMAQI
27th Jul 2025492 AMAQI
27th Jul 2025503 AMAQI

26°C20/34°C

27th Jul 2025494 AMAQI
27th Jul 2025505 AMAQI
27th Jul 2025506 AMAQI
27th Jul 2025497 AMAQI
27th Jul 2025498 AMAQI
27th Jul 2025539 AMAQI
27th Jul 20255510 AMAQI
27th Jul 20255611 AMAQI
27th Jul 20255212 PMAQI
27th Jul 2025501 PMAQI
27th Jul 2025452 PMAQI
27th Jul 2025403 PMAQI
27th Jul 2025374 PMAQI
27th Jul 2025395 PMAQI
27th Jul 2025386 PMAQI
27th Jul 2025397 PMAQI
27th Jul 2025408 PMAQI
27th Jul 2025449 PMAQI
27th Jul 20254210 PMAQI
27th Jul 20254311 PMAQI
28th Jul 20254412 AMAQI
28th Jul 2025451 AMAQI
28th Jul 2025482 AMAQI
28th Jul 2025483 AMAQI

26°C21/32°C

28th Jul 2025494 AMAQI
28th Jul 2025505 AMAQI
28th Jul 2025506 AMAQI
28th Jul 2025507 AMAQI
28th Jul 2025508 AMAQI
28th Jul 2025479 AMAQI
28th Jul 20255010 AMAQI
28th Jul 20255011 AMAQI
28th Jul 20254612 PMAQI
28th Jul 2025401 PMAQI
28th Jul 2025402 PMAQI
28th Jul 2025393 PMAQI
28th Jul 2025414 PMAQI
28th Jul 2025405 PMAQI
28th Jul 2025426 PMAQI
28th Jul 2025417 PMAQI
28th Jul 2025428 PMAQI
28th Jul 2025469 PMAQI
28th Jul 20254710 PMAQI
28th Jul 20254811 PMAQI
29th Jul 20254612 AMAQI
29th Jul 2025461 AMAQI
29th Jul 2025482 AMAQI
29th Jul 2025463 AMAQI

26°C21/34°C

29th Jul 2025474 AMAQI
29th Jul 2025475 AMAQI
29th Jul 2025476 AMAQI
29th Jul 2025487 AMAQI
29th Jul 2025478 AMAQI
29th Jul 2025509 AMAQI
29th Jul 20255610 AMAQI
29th Jul 20255711 AMAQI
29th Jul 20255512 PMAQI
29th Jul 2025531 PMAQI
29th Jul 2025522 PMAQI
29th Jul 2025513 PMAQI
29th Jul 2025494 PMAQI
29th Jul 2025495 PMAQI
29th Jul 2025526 PMAQI
29th Jul 2025497 PMAQI
29th Jul 2025448 PMAQI
29th Jul 2025469 PMAQI
29th Jul 20254410 PMAQI
29th Jul 20254411 PMAQI
30th Jul 20254412 AMAQI
30th Jul 2025441 AMAQI
30th Jul 2025492 AMAQI
30th Jul 2025483 AMAQI

26°C21/34°C

30th Jul 2025494 AMAQI
30th Jul 2025515 AMAQI
30th Jul 2025506 AMAQI
30th Jul 2025507 AMAQI
30th Jul 2025508 AMAQI
30th Jul 2025489 AMAQI
30th Jul 20255010 AMAQI
30th Jul 20255311 AMAQI
30th Jul 20255312 PMAQI
30th Jul 2025501 PMAQI
30th Jul 2025502 PMAQI
30th Jul 2025493 PMAQI
30th Jul 2025474 PMAQI
30th Jul 2025475 PMAQI
30th Jul 2025506 PMAQI
30th Jul 2025467 PMAQI
30th Jul 2025448 PMAQI
30th Jul 2025459 PMAQI
30th Jul 20254610 PMAQI
30th Jul 20254511 PMAQI
31st Jul 20254412 AMAQI
31st Jul 2025461 AMAQI
31st Jul 2025482 AMAQI
31st Jul 2025473 AMAQI

27°C21/35°C

31st Jul 2025474 AMAQI
31st Jul 2025475 AMAQI
31st Jul 2025476 AMAQI
31st Jul 2025477 AMAQI
31st Jul 2025478 AMAQI
31st Jul 2025479 AMAQI
31st Jul 20254710 AMAQI
31st Jul 20255011 AMAQI
31st Jul 20254612 PMAQI
31st Jul 2025451 PMAQI
31st Jul 2025432 PMAQI
31st Jul 2025433 PMAQI
31st Jul 2025444 PMAQI
31st Jul 2025445 PMAQI
31st Jul 2025446 PMAQI
31st Jul 2025437 PMAQI
31st Jul 2025418 PMAQI
31st Jul 2025489 PMAQI
31st Jul 20254210 PMAQI
31st Jul 20253411 PMAQI
1st Aug 20253812 AMAQI
1st Aug 2025401 AMAQI
1st Aug 2025402 AMAQI
1st Aug 2025423 AMAQI

27°C20/35°C

1st Aug 2025424 AMAQI
1st Aug 2025415 AMAQI
1st Aug 2025426 AMAQI
1st Aug 2025407 AMAQI
1st Aug 2025428 AMAQI
1st Aug 2025439 AMAQI
1st Aug 20252810 AMAQI
1st Aug 20254011 AMAQI
1st Aug 20254412 PMAQI
1st Aug 2025361 PMAQI
1st Aug 2025382 PMAQI
1st Aug 2025343 PMAQI
1st Aug 2025414 PMAQI
1st Aug 2025425 PMAQI
1st Aug 2025356 PMAQI
1st Aug 2025317 PMAQI
1st Aug 2025308 PMAQI
1st Aug 2025349 PMAQI
1st Aug 20253410 PMAQI
1st Aug 20253111 PMAQI
2nd Aug 20253212 AMAQI
2nd Aug 2025371 AMAQI
2nd Aug 2025402 AMAQI
2nd Aug 2025423 AMAQI

27°C20/36°C

2nd Aug 2025424 AMAQI
2nd Aug 2025435 AMAQI
2nd Aug 2025426 AMAQI
2nd Aug 2025427 AMAQI
2nd Aug 2025418 AMAQI
2nd Aug 2025349 AMAQI
2nd Aug 20253810 AMAQI
2nd Aug 20253711 AMAQI
2nd Aug 20253712 PMAQI
2nd Aug 2025371 PMAQI
2nd Aug 2025462 PMAQI
2nd Aug 2025513 PMAQI
2nd Aug 2025424 PMAQI
2nd Aug 2025485 PMAQI
2nd Aug 2025486 PMAQI
2nd Aug 2025437 PMAQI
2nd Aug 2025388 PMAQI
2nd Aug 2025369 PMAQI
2nd Aug 20253510 PMAQI
2nd Aug 20253811 PMAQI
3rd Aug 20253212 AMAQI
3rd Aug 2025341 AMAQI
3rd Aug 2025402 AMAQI
3rd Aug 2025403 AMAQI

25°C21/30°C

3rd Aug 2025404 AMAQI
3rd Aug 2025405 AMAQI
3rd Aug 2025396 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025398 AMAQI
3rd Aug 2025389 AMAQI
3rd Aug 20253510 AMAQI
3rd Aug 20254711 AMAQI
3rd Aug 20255012 PMAQI
3rd Aug 2025491 PMAQI
3rd Aug 2025472 PMAQI
3rd Aug 2025373 PMAQI
3rd Aug 2025424 PMAQI
3rd Aug 2025415 PMAQI
3rd Aug 2025496 PMAQI
3rd Aug 2025447 PMAQI
3rd Aug 2025428 PMAQI
3rd Aug 2025409 PMAQI
3rd Aug 20254210 PMAQI
3rd Aug 20254111 PMAQI
4th Aug 20253412 AMAQI
4th Aug 2025361 AMAQI
4th Aug 2025392 AMAQI
4th Aug 2025403 AMAQI

26°C21/34°C

4th Aug 2025424 AMAQI
4th Aug 2025425 AMAQI
4th Aug 2025426 AMAQI
4th Aug 2025417 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025469 AMAQI
4th Aug 20254810 AMAQI
4th Aug 20255811 AMAQI
4th Aug 20255612 PMAQI
4th Aug 2025581 PMAQI
4th Aug 2025642 PMAQI
4th Aug 2025673 PMAQI
4th Aug 2025724 PMAQI
4th Aug 2025705 PMAQI
4th Aug 2025676 PMAQI
4th Aug 2025657 PMAQI
4th Aug 2025618 PMAQI
4th Aug 2025589 PMAQI
4th Aug 20255610 PMAQI
4th Aug 20255411 PMAQI
5th Aug 20255412 AMAQI
5th Aug 2025441 AMAQI
5th Aug 2025412 AMAQI
5th Aug 2025413 AMAQI

26°C21/34°C

5th Aug 2025464 AMAQI
5th Aug 2025495 AMAQI
5th Aug 2025486 AMAQI
5th Aug 2025517 AMAQI
5th Aug 2025488 AMAQI
5th Aug 2025519 AMAQI
5th Aug 20256010 AMAQI
5th Aug 20255611 AMAQI
5th Aug 20255612 PMAQI
5th Aug 2025501 PMAQI
5th Aug 2025512 PMAQI
5th Aug 2025443 PMAQI
5th Aug 2025524 PMAQI
5th Aug 2025445 PMAQI
5th Aug 2025516 PMAQI
5th Aug 2025487 PMAQI
5th Aug 2025498 PMAQI
5th Aug 2025459 PMAQI
5th Aug 20254410 PMAQI
5th Aug 20254011 PMAQI
6th Aug 20253912 AMAQI
6th Aug 2025461 AMAQI
6th Aug 2025492 AMAQI
6th Aug 2025493 AMAQI

26°C22/34°C

6th Aug 2025514 AMAQI
6th Aug 2025505 AMAQI
6th Aug 2025516 AMAQI
6th Aug 2025517 AMAQI
6th Aug 2025508 AMAQI
6th Aug 2025319 AMAQI
6th Aug 20252510 AMAQI
6th Aug 20252711 AMAQI
6th Aug 20253612 PMAQI
6th Aug 2025331 PMAQI
6th Aug 2025382 PMAQI
6th Aug 2025373 PMAQI
6th Aug 2025334 PMAQI
6th Aug 2025385 PMAQI
6th Aug 2025306 PMAQI
6th Aug 2025387 PMAQI
6th Aug 2025428 PMAQI
6th Aug 2025439 PMAQI
6th Aug 20254010 PMAQI
6th Aug 20254011 PMAQI
7th Aug 20254412 AMAQI
7th Aug 2025461 AMAQI
7th Aug 2025462 AMAQI
7th Aug 2025483 AMAQI

25°C21/30°C

7th Aug 2025454 AMAQI
7th Aug 2025465 AMAQI
7th Aug 2025456 AMAQI
7th Aug 2025447 AMAQI
7th Aug 2025448 AMAQI
7th Aug 2025329 AMAQI
7th Aug 20252810 AMAQI
7th Aug 20253311 AMAQI
7th Aug 20252612 PMAQI
7th Aug 2025251 PMAQI
7th Aug 2025262 PMAQI
7th Aug 2025253 PMAQI
7th Aug 2025264 PMAQI
7th Aug 2025285 PMAQI
7th Aug 2025286 PMAQI
7th Aug 2025307 PMAQI
7th Aug 2025338 PMAQI
7th Aug 2025399 PMAQI
7th Aug 20254010 PMAQI
7th Aug 20253811 PMAQI
8th Aug 20253912 AMAQI
8th Aug 2025401 AMAQI
8th Aug 2025442 AMAQI
8th Aug 2025443 AMAQI

23°C19/27°C

8th Aug 2025434 AMAQI
8th Aug 2025415 AMAQI
8th Aug 2025406 AMAQI
8th Aug 2025407 AMAQI
8th Aug 2025398 AMAQI
8th Aug 2025249 AMAQI
8th Aug 20252410 AMAQI
8th Aug 20252211 AMAQI
8th Aug 20252212 PMAQI
8th Aug 2025281 PMAQI
8th Aug 2025292 PMAQI
8th Aug 2025303 PMAQI
8th Aug 2025314 PMAQI
8th Aug 2025315 PMAQI
8th Aug 2025286 PMAQI
8th Aug 2025307 PMAQI
8th Aug 2025328 PMAQI
8th Aug 2025389 PMAQI
8th Aug 20253710 PMAQI
8th Aug 20253711 PMAQI
9th Aug 20253712 AMAQI
9th Aug 2025391 AMAQI
9th Aug 2025402 AMAQI
9th Aug 2025413 AMAQI

21°C17/26°C

9th Aug 2025404 AMAQI
9th Aug 2025395 AMAQI
9th Aug 2025386 AMAQI
9th Aug 2025387 AMAQI
9th Aug 2025388 AMAQI
9th Aug 2025339 AMAQI
9th Aug 20253010 AMAQI
9th Aug 20252811 AMAQI
9th Aug 20253212 PMAQI
9th Aug 2025301 PMAQI
9th Aug 2025312 PMAQI
9th Aug 2025313 PMAQI
9th Aug 2025324 PMAQI
9th Aug 2025335 PMAQI
9th Aug 2025326 PMAQI
9th Aug 2025317 PMAQI
9th Aug 2025348 PMAQI
9th Aug 2025389 PMAQI
9th Aug 20253910 PMAQI
9th Aug 20254011 PMAQI
10th Aug 20254012 AMAQI
10th Aug 2025391 AMAQI
10th Aug 2025402 AMAQI
10th Aug 2025413 AMAQI

22°C16/29°C

10th Aug 2025394 AMAQI
10th Aug 2025385 AMAQI
10th Aug 2025386 AMAQI
10th Aug 2025377 AMAQI
10th Aug 2025388 AMAQI
10th Aug 2025399 AMAQI
10th Aug 20253910 AMAQI
10th Aug 20253411 AMAQI
10th Aug 20253812 PMAQI
10th Aug 2025411 PMAQI
10th Aug 2025402 PMAQI
10th Aug 2025393 PMAQI
10th Aug 2025394 PMAQI
10th Aug 2025345 PMAQI
10th Aug 2025326 PMAQI
10th Aug 2025317 PMAQI
10th Aug 2025338 PMAQI
10th Aug 2025379 PMAQI
10th Aug 20253610 PMAQI
10th Aug 20253611 PMAQI
11th Aug 20253412 AMAQI
11th Aug 2025361 AMAQI
11th Aug 2025392 AMAQI
11th Aug 2025383 AMAQI

20°C19/22°C

11th Aug 2025394 AMAQI
11th Aug 2025385 AMAQI
11th Aug 2025386 AMAQI
11th Aug 2025387 AMAQI
11th Aug 2025388 AMAQI
11th Aug 2025229 AMAQI
11th Aug 20251910 AMAQI
11th Aug 20252211 AMAQI
11th Aug 20251912 PMAQI
11th Aug 2025221 PMAQI
11th Aug 2025242 PMAQI
11th Aug 2025283 PMAQI
11th Aug 2025294 PMAQI
11th Aug 2025265 PMAQI
11th Aug 2025266 PMAQI
11th Aug 2025267 PMAQI
11th Aug 2025288 PMAQI
11th Aug 2025319 PMAQI
11th Aug 20253010 PMAQI
11th Aug 20253011 PMAQI
12th Aug 20253012 AMAQI
12th Aug 2025371 AMAQI
12th Aug 2025392 AMAQI
12th Aug 2025393 AMAQI

23°C21/28°C

12th Aug 2025354 AMAQI
12th Aug 2025325 AMAQI
12th Aug 2025326 AMAQI
12th Aug 2025337 AMAQI
12th Aug 2025328 AMAQI
12th Aug 2025289 AMAQI
12th Aug 20252810 AMAQI
12th Aug 20253411 AMAQI
12th Aug 20252412 PMAQI
12th Aug 2025221 PMAQI
12th Aug 2025232 PMAQI
12th Aug 2025203 PMAQI
12th Aug 2025244 PMAQI
12th Aug 2025275 PMAQI
12th Aug 2025306 PMAQI
12th Aug 2025317 PMAQI
12th Aug 2025298 PMAQI
12th Aug 2025359 PMAQI
12th Aug 20253010 PMAQI
12th Aug 20253011 PMAQI
13th Aug 20252912 AMAQI
13th Aug 2025341 AMAQI
13th Aug 2025362 AMAQI
13th Aug 2025363 AMAQI

22°C21/23°C

13th Aug 2025344 AMAQI
13th Aug 2025345 AMAQI
13th Aug 2025326 AMAQI
13th Aug 2025347 AMAQI
13th Aug 2025338 AMAQI
13th Aug 2025239 AMAQI
13th Aug 20252110 AMAQI
13th Aug 20252411 AMAQI
13th Aug 20252412 PMAQI
13th Aug 2025251 PMAQI
13th Aug 2025272 PMAQI
13th Aug 2025343 PMAQI
13th Aug 2025354 PMAQI
13th Aug 2025345 PMAQI
13th Aug 2025316 PMAQI
13th Aug 2025367 PMAQI
13th Aug 2025328 PMAQI
13th Aug 2025329 PMAQI
13th Aug 20253010 PMAQI
13th Aug 20253211 PMAQI
14th Aug 20253112 AMAQI
14th Aug 2025331 AMAQI
14th Aug 2025352 AMAQI
14th Aug 2025363 AMAQI

23°C19/29°C

14th Aug 2025344 AMAQI
14th Aug 2025335 AMAQI
14th Aug 2025346 AMAQI
14th Aug 2025327 AMAQI
14th Aug 2025338 AMAQI
14th Aug 2025479 AMAQI
14th Aug 20254210 AMAQI
14th Aug 20254011 AMAQI
14th Aug 20253312 PMAQI
14th Aug 2025331 PMAQI
14th Aug 2025282 PMAQI
14th Aug 2025273 PMAQI
14th Aug 2025294 PMAQI
14th Aug 2025265 PMAQI
14th Aug 2025286 PMAQI
14th Aug 2025377 PMAQI
14th Aug 2025378 PMAQI
14th Aug 2025309 PMAQI
14th Aug 20253110 PMAQI
14th Aug 20253011 PMAQI
15th Aug 20253512 AMAQI
15th Aug 2025321 AMAQI
15th Aug 2025342 AMAQI
15th Aug 2025343 AMAQI

24°C20/29°C

15th Aug 2025334 AMAQI
15th Aug 2025345 AMAQI
15th Aug 2025346 AMAQI
15th Aug 2025367 AMAQI
15th Aug 2025388 AMAQI
15th Aug 2025419 AMAQI
15th Aug 20253710 AMAQI
15th Aug 20254611 AMAQI
15th Aug 20255412 PMAQI
15th Aug 2025451 PMAQI
15th Aug 2025422 PMAQI
15th Aug 2025393 PMAQI
15th Aug 2025484 PMAQI
15th Aug 2025455 PMAQI
15th Aug 2025496 PMAQI
15th Aug 2025517 PMAQI
15th Aug 2025478 PMAQI
15th Aug 2025459 PMAQI
15th Aug 20254110 PMAQI
15th Aug 20253811 PMAQI
16th Aug 20253812 AMAQI
16th Aug 2025381 AMAQI
16th Aug 2025392 AMAQI
16th Aug 2025353 AMAQI

24°C20/30°C

16th Aug 2025404 AMAQI
16th Aug 2025385 AMAQI
16th Aug 2025386 AMAQI
16th Aug 2025387 AMAQI
16th Aug 2025388 AMAQI
16th Aug 2025369 AMAQI
16th Aug 20254210 AMAQI
16th Aug 20254011 AMAQI
16th Aug 20254412 PMAQI
16th Aug 2025531 PMAQI
16th Aug 2025482 PMAQI
16th Aug 2025503 PMAQI
16th Aug 2025444 PMAQI
16th Aug 2025385 PMAQI
16th Aug 2025446 PMAQI
16th Aug 2025397 PMAQI
16th Aug 2025448 PMAQI
16th Aug 2025429 PMAQI
16th Aug 20253910 PMAQI
16th Aug 20253811 PMAQI
17th Aug 20253812 AMAQI
17th Aug 2025401 AMAQI
17th Aug 2025382 AMAQI
17th Aug 2025373 AMAQI

24°C19/31°C

17th Aug 2025394 AMAQI
17th Aug 2025415 AMAQI
17th Aug 2025406 AMAQI
17th Aug 2025397 AMAQI
17th Aug 2025388 AMAQI
17th Aug 2025329 AMAQI
17th Aug 20253310 AMAQI
17th Aug 20253711 AMAQI
17th Aug 20253812 PMAQI
17th Aug 2025401 PMAQI
17th Aug 2025452 PMAQI
17th Aug 2025443 PMAQI
17th Aug 2025424 PMAQI
17th Aug 2025485 PMAQI
17th Aug 2025426 PMAQI
17th Aug 2025477 PMAQI
17th Aug 2025448 PMAQI
17th Aug 2025399 PMAQI
17th Aug 20253810 PMAQI
17th Aug 20253811 PMAQI
18th Aug 20253612 AMAQI
18th Aug 2025381 AMAQI
18th Aug 2025422 AMAQI
18th Aug 2025413 AMAQI

25°C21/31°C

18th Aug 2025394 AMAQI
18th Aug 2025405 AMAQI
18th Aug 2025416 AMAQI
18th Aug 2025407 AMAQI
18th Aug 2025418 AMAQI
18th Aug 2025349 AMAQI
18th Aug 20253510 AMAQI
18th Aug 20254211 AMAQI
18th Aug 20254112 PMAQI
18th Aug 2025411 PMAQI
18th Aug 2025362 PMAQI
18th Aug 2025433 PMAQI
18th Aug 2025514 PMAQI
18th Aug 2025525 PMAQI
18th Aug 2025486 PMAQI
18th Aug 2025477 PMAQI
18th Aug 2025458 PMAQI
18th Aug 2025439 PMAQI
18th Aug 20253910 PMAQI
18th Aug 20253711 PMAQI
19th Aug 20253412 AMAQI
19th Aug 2025401 AMAQI
19th Aug 2025422 AMAQI
19th Aug 2025423 AMAQI

24°C20/30°C

19th Aug 2025404 AMAQI
19th Aug 2025405 AMAQI
19th Aug 2025406 AMAQI
19th Aug 2025407 AMAQI
19th Aug 2025388 AMAQI
19th Aug 2025479 AMAQI
19th Aug 20254810 AMAQI
19th Aug 20255111 AMAQI
19th Aug 20255212 PMAQI
19th Aug 2025531 PMAQI
19th Aug 2025502 PMAQI
19th Aug 2025453 PMAQI
19th Aug 2025484 PMAQI
19th Aug 2025535 PMAQI
19th Aug 2025566 PMAQI
19th Aug 2025527 PMAQI
19th Aug 2025528 PMAQI
19th Aug 2025509 PMAQI
19th Aug 20255110 PMAQI
19th Aug 20255011 PMAQI
20th Aug 20255012 AMAQI
20th Aug 2025451 AMAQI
20th Aug 2025402 AMAQI
20th Aug 2025413 AMAQI

25°C20/33°C

20th Aug 2025424 AMAQI
20th Aug 2025435 AMAQI
20th Aug 2025446 AMAQI
20th Aug 2025427 AMAQI
20th Aug 2025428 AMAQI
20th Aug 2025529 AMAQI
20th Aug 20255810 AMAQI
20th Aug 20255611 AMAQI
20th Aug 20255412 PMAQI
20th Aug 2025571 PMAQI
20th Aug 2025592 PMAQI
20th Aug 2025563 PMAQI
20th Aug 2025564 PMAQI
20th Aug 2025555 PMAQI
20th Aug 2025566 PMAQI
20th Aug 2025547 PMAQI
20th Aug 2025558 PMAQI
20th Aug 2025559 PMAQI
20th Aug 20255210 PMAQI
20th Aug 20255411 PMAQI
21st Aug 20255212 AMAQI
21st Aug 2025481 AMAQI
21st Aug 2025442 AMAQI
21st Aug 2025443 AMAQI

--°C/°C

21st Aug 2025464 AMAQI
4 AM
21st Aug 2025485 AMAQI
21st Aug 2025476 AMAQI
21st Aug 2025477 AMAQI
11 AM
6 PM
11 PM
3 AM

--°C/°C

Day time
Avg. Highest Time
4 AM - 6 PM

42AQI

15 hours / Day
450 hours / Month
Avg. Lowest Time
4 AM - 6 PM

42AQI

15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 6 PM (Avg. 42), while the lowest AQI was between 4 AM to 6 PM (Avg. 42).
Night time
Avg. Highest Time
12 AM - 11 PM

41AQI

9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM

41AQI

9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 41), while the lowest AQI was between 12 AM to 11 PM (Avg. 41).

2025 Days Vs Air Quality

Tokamachi, Niigata, Japan

2025

85%

197

15%

34

Total number of days with different AQI categories in last 232 days in 2025 (133 days remaining)

Good
197 Days
Moderate
34 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 85%

Health Risk Level:

Low

In 2025, 85% of 232 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

Tokamachi, 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
30AQI
2nd January 2025
29AQI
3rd January 2025
29AQI
4th January 2025
29AQI
5th January 2025
30AQI
6th January 2025
45AQI
7th January 2025
33AQI
8th January 2025
34AQI
9th January 2025
27AQI
10th January 2025
28AQI
11th January 2025
27AQI
12th January 2025
35AQI
13th January 2025
30AQI
14th January 2025
35AQI
15th January 2025
29AQI
16th January 2025
28AQI
17th January 2025
27AQI
18th January 2025
29AQI
19th January 2025
41AQI
20th January 2025
44AQI
21st January 2025
48AQI
22nd January 2025
42AQI
23rd January 2025
50AQI
24th January 2025
43AQI
25th January 2025
40AQI
26th January 2025
32AQI
27th January 2025
31AQI
28th January 2025
34AQI
29th January 2025
32AQI
30th January 2025
32AQI
31st January 2025
29AQI
1st February 2025
32AQI
2nd February 2025
35AQI
3rd February 2025
34AQI
4th February 2025
32AQI
5th February 2025
32AQI
6th February 2025
30AQI
7th February 2025
32AQI
8th February 2025
31AQI
9th February 2025
30AQI
10th February 2025
30AQI
11th February 2025
31AQI
12th February 2025
32AQI
13th February 2025
32AQI
14th February 2025
32AQI
15th February 2025
32AQI
16th February 2025
40AQI
17th February 2025
38AQI
18th February 2025
34AQI
19th February 2025
32AQI
20th February 2025
31AQI
21st February 2025
32AQI
22nd February 2025
32AQI
23rd February 2025
33AQI
24th February 2025
33AQI
25th February 2025
36AQI
26th February 2025
44AQI
27th February 2025
48AQI
28th February 2025
54AQI
1st March 2025
53AQI
2nd March 2025
55AQI
3rd March 2025
40AQI
4th March 2025
40AQI
5th March 2025
31AQI
6th March 2025
32AQI
7th March 2025
35AQI
8th March 2025
38AQI
9th March 2025
37AQI
10th March 2025
41AQI
11th March 2025
47AQI
12th March 2025
43AQI
13th March 2025
53AQI
14th March 2025
41AQI
15th March 2025
39AQI
16th March 2025
29AQI
17th March 2025
25AQI
18th March 2025
27AQI
19th March 2025
24AQI
20th March 2025
30AQI
21st March 2025
44AQI
22nd March 2025
49AQI
23rd March 2025
62AQI
24th March 2025
59AQI
25th March 2025
68AQI
26th March 2025
70AQI
27th March 2025
68AQI
28th March 2025
52AQI
29th March 2025
39AQI
30th March 2025
35AQI
31st March 2025
33AQI
1st April 2025
31AQI
2nd April 2025
26AQI
3rd April 2025
25AQI
4th April 2025
22AQI
5th April 2025
33AQI
6th April 2025
30AQI
7th April 2025
34AQI
8th April 2025
41AQI
9th April 2025
27AQI
10th April 2025
43AQI
11th April 2025
34AQI
12th April 2025
44AQI
13th April 2025
24AQI
14th April 2025
28AQI
15th April 2025
25AQI
16th April 2025
32AQI
17th April 2025
43AQI
18th April 2025
52AQI
19th April 2025
56AQI
20th April 2025
52AQI
21st April 2025
43AQI
22nd April 2025
50AQI
23rd April 2025
35AQI
24th April 2025
27AQI
25th April 2025
37AQI
26th April 2025
46AQI
27th April 2025
43AQI
28th April 2025
48AQI
29th April 2025
41AQI
30th April 2025
44AQI
1st May 2025
49AQI
2nd May 2025
29AQI
3rd May 2025
36AQI
4th May 2025
35AQI
5th May 2025
37AQI
6th May 2025
32AQI
7th May 2025
29AQI
8th May 2025
31AQI
9th May 2025
36AQI
10th May 2025
24AQI
11th May 2025
25AQI
12th May 2025
28AQI
13th May 2025
44AQI
14th May 2025
45AQI
15th May 2025
53AQI
16th May 2025
54AQI
17th May 2025
37AQI
18th May 2025
41AQI
19th May 2025
46AQI
20th May 2025
59AQI
21st May 2025
63AQI
22nd May 2025
49AQI
23rd May 2025
50AQI
24th May 2025
44AQI
25th May 2025
31AQI
26th May 2025
32AQI
27th May 2025
37AQI
28th May 2025
38AQI
29th May 2025
40AQI
30th May 2025
33AQI
31st May 2025
28AQI
1st June 2025
25AQI
2nd June 2025
39AQI
3rd June 2025
38AQI
4th June 2025
36AQI
5th June 2025
39AQI
6th June 2025
45AQI
7th June 2025
51AQI
8th June 2025
57AQI
9th June 2025
60AQI
10th June 2025
53AQI
11th June 2025
43AQI
12th June 2025
46AQI
13th June 2025
44AQI
14th June 2025
42AQI
15th June 2025
28AQI
16th June 2025
33AQI
17th June 2025
37AQI
18th June 2025
44AQI
19th June 2025
48AQI
20th June 2025
50AQI
21st June 2025
54AQI
22nd June 2025
57AQI
23rd June 2025
49AQI
24th June 2025
48AQI
25th June 2025
48AQI
26th June 2025
44AQI
27th June 2025
50AQI
28th June 2025
45AQI
29th June 2025
47AQI
30th June 2025
51AQI
1st July 2025
52AQI
2nd July 2025
57AQI
3rd July 2025
58AQI
4th July 2025
58AQI
5th July 2025
59AQI
6th July 2025
57AQI
7th July 2025
58AQI
8th July 2025
61AQI
9th July 2025
58AQI
10th July 2025
55AQI
11th July 2025
50AQI
12th July 2025
49AQI
13th July 2025
50AQI
14th July 2025
44AQI
15th July 2025
40AQI
16th July 2025
44AQI
17th July 2025
38AQI
18th July 2025
39AQI
19th July 2025
40AQI
20th July 2025
41AQI
21st July 2025
41AQI
22nd July 2025
43AQI
23rd July 2025
44AQI
24th July 2025
45AQI
25th July 2025
48AQI
26th July 2025
49AQI
27th July 2025
46AQI
28th July 2025
45AQI
29th July 2025
49AQI
30th July 2025
47AQI
31st July 2025
45AQI
1st August 2025
37AQI
2nd August 2025
39AQI
3rd August 2025
40AQI
4th August 2025
50AQI
5th August 2025
48AQI
6th August 2025
41AQI
7th August 2025
37AQI
8th August 2025
35AQI
9th August 2025
36AQI
10th August 2025
38AQI
11th August 2025
31AQI
12th August 2025
31AQI
13th August 2025
31AQI
14th August 2025
32AQI
15th August 2025
40AQI
16th August 2025
40AQI
17th August 2025
40AQI
18th August 2025
41AQI
19th August 2025
44AQI

34AQI

34AQI

43AQI

37AQI

39AQI

45AQI

49AQI

38AQI

No. of days

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

202540AQI

31
27
1
22
9
27
3
27
4
23
7
21
10
19
197
34

Highest AQI recorded in

July

49AQI

Lowest AQI recorded in

January

34AQI

202433AQI

30
1
29
26
5
22
8
29
2
22
8
28
3
30
1
30
31
28
2
31
336
30

Highest AQI recorded in

April

48AQI

Lowest AQI recorded in

December

27AQI

202334AQI

31
27
1
22
9
24
6
25
6
28
2
24
7
29
2
30
31
26
3
31
328
36

Highest AQI recorded in

April

46AQI

Lowest AQI recorded in

October

26AQI

202234AQI

30
21
26
5
24
5
25
6
24
6
21
1
21
7
31
30
31
285
29

Highest AQI recorded in

May

42AQI

Lowest AQI recorded in

August

17AQI

202130AQI

28
3
26
2
29
20
2
29
2
23
7
28
3
31
30
31
30
24
329
19

Highest AQI recorded in

June

41AQI

Lowest AQI recorded in

December

23AQI

202026AQI

13
20
1
18
27
3
28
1
2
4
2
28
138
9

Highest AQI recorded in

August

46AQI

Lowest AQI recorded in

July

20AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
40AQI
Least Polluted Year Recorded
2020(Avg.)
26AQI

Tokamachi's annual 2025 AQI (40) shows an average percentage change of 29.6% (worsened AQI) compared to previous years: 2020 (26), 2021 (30), 2022 (34), 2023 (34), 2024 (33).