Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Nishishinsaimachi, Tsuruoka, Yamagata, 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

Nishishinsaimachi, Tsuruoka, Yamagata, Japan

2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
7th Aug 2026
57AQI
Lowest AQI recorded on
3rd Aug 2026
20AQI

Same Day Analysis (18th August):
On this day, AQI across the 3 years varied significantly: 2026 ranks 1st highest AQI at 37 of Good air quality on the same day.

Day & Night AQI Trend: 17th Aug - 18th Aug 2026

Nishishinsaimachi, Tsuruoka, Yamagata, Japan

AQI
Day
Night
.

4 AM17th Aug 2026

6 PM

3 AM18th Aug 2026

Day time
Avg. Highest Time
2PM17th Aug

34AQI

Avg. Lowest Time
8AM17th Aug

21AQI

Night time
Avg. Highest Time
1AM18th Aug

44AQI

Avg. Lowest Time
9PM17th Aug

25AQI

In the last 24 hours,

Nishishinsaimachi's AQI reached its highest point of 44 at 1 AM during the Night, while the lowest point, 21, was recorded at 8 AM during the Day between 17th Aug and 18th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Nishishinsaimachi, Tsuruoka, Yamagata, Japan

JulAug
20th - 21st21st - 22nd22nd - 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
Day
Night
20th Jul 2026564 AMAQI
20th Jul 2026555 AMAQI
20th Jul 2026586 AMAQI
20th Jul 2026647 AMAQI
20th Jul 2026628 AMAQI
20th Jul 2026569 AMAQI
20th Jul 20265710 AMAQI
20th Jul 20264811 AMAQI
20th Jul 20266012 PMAQI
20th Jul 2026621 PMAQI
20th Jul 2026682 PMAQI
20th Jul 2026643 PMAQI
20th Jul 2026664 PMAQI
20th Jul 2026545 PMAQI
20th Jul 2026626 PMAQI
20th Jul 2026627 PMAQI
20th Jul 2026628 PMAQI
20th Jul 2026569 PMAQI
20th Jul 20265710 PMAQI
20th Jul 20266211 PMAQI
21st Jul 20266612 AMAQI
21st Jul 2026621 AMAQI
21st Jul 2026602 AMAQI
21st Jul 2026623 AMAQI

25°C23/27°C

21st Jul 2026644 AMAQI
21st Jul 2026665 AMAQI
21st Jul 2026656 AMAQI
21st Jul 2026667 AMAQI
21st Jul 2026608 AMAQI
21st Jul 2026549 AMAQI
21st Jul 20263110 AMAQI
21st Jul 20262911 AMAQI
21st Jul 2026191 PMAQI
21st Jul 2026232 PMAQI
21st Jul 2026213 PMAQI
21st Jul 2026214 PMAQI
21st Jul 2026215 PMAQI
21st Jul 2026216 PMAQI
21st Jul 2026717 PMAQI
21st Jul 2026218 PMAQI
21st Jul 2026219 PMAQI
21st Jul 20261710 PMAQI
21st Jul 20261911 PMAQI
22nd Jul 20261612 AMAQI
22nd Jul 2026181 AMAQI
22nd Jul 2026232 AMAQI
22nd Jul 2026253 AMAQI

25°C23/26°C

22nd Jul 2026234 AMAQI
22nd Jul 2026255 AMAQI
22nd Jul 2026196 AMAQI
22nd Jul 2026237 AMAQI
22nd Jul 2026218 AMAQI
22nd Jul 2026259 AMAQI
22nd Jul 20263410 AMAQI
22nd Jul 20263611 AMAQI
22nd Jul 20264012 PMAQI
22nd Jul 2026511 PMAQI
22nd Jul 2026622 PMAQI
22nd Jul 2026603 PMAQI
22nd Jul 2026644 PMAQI
22nd Jul 2026605 PMAQI
22nd Jul 2026536 PMAQI
22nd Jul 2026537 PMAQI
22nd Jul 2026478 PMAQI
22nd Jul 2026519 PMAQI
22nd Jul 20265510 PMAQI
22nd Jul 20264211 PMAQI
23rd Jul 20264612 AMAQI
23rd Jul 2026421 AMAQI
23rd Jul 2026292 AMAQI
23rd Jul 2026253 AMAQI

25°C23/27°C

23rd Jul 2026254 AMAQI
23rd Jul 2026275 AMAQI
23rd Jul 2026236 AMAQI
23rd Jul 2026237 AMAQI
23rd Jul 2026278 AMAQI
23rd Jul 2026259 AMAQI
23rd Jul 20262510 AMAQI
23rd Jul 20262511 AMAQI
23rd Jul 20262312 PMAQI
23rd Jul 2026291 PMAQI
23rd Jul 2026312 PMAQI
23rd Jul 2026253 PMAQI
23rd Jul 2026254 PMAQI
23rd Jul 2026235 PMAQI
23rd Jul 2026216 PMAQI
23rd Jul 2026257 PMAQI
23rd Jul 2026258 PMAQI
23rd Jul 2026259 PMAQI
23rd Jul 20262710 PMAQI
23rd Jul 20262511 PMAQI
24th Jul 20261912 AMAQI
24th Jul 2026171 AMAQI
24th Jul 2026232 AMAQI
24th Jul 2026253 AMAQI

25°C23/26°C

24th Jul 2026234 AMAQI
24th Jul 2026235 AMAQI
24th Jul 2026236 AMAQI
24th Jul 2026257 AMAQI
24th Jul 2026218 AMAQI
24th Jul 2026349 AMAQI
24th Jul 20263310 AMAQI
24th Jul 20262911 AMAQI
24th Jul 20262712 PMAQI
24th Jul 2026271 PMAQI
24th Jul 2026312 PMAQI
24th Jul 2026313 PMAQI
24th Jul 2026274 PMAQI
24th Jul 2026275 PMAQI
24th Jul 2026276 PMAQI
24th Jul 2026257 PMAQI
24th Jul 2026258 PMAQI
24th Jul 2026219 PMAQI
24th Jul 20262310 PMAQI
24th Jul 20264011 PMAQI
25th Jul 20263312 AMAQI
25th Jul 2026501 AMAQI
25th Jul 2026422 AMAQI
25th Jul 2026363 AMAQI

23°C23/24°C

25th Jul 2026314 AMAQI
25th Jul 2026405 AMAQI
25th Jul 2026346 AMAQI
25th Jul 2026317 AMAQI
25th Jul 2026368 AMAQI
25th Jul 2026299 AMAQI
25th Jul 20265110 AMAQI
25th Jul 20265611 AMAQI
25th Jul 20266012 PMAQI
25th Jul 2026381 PMAQI
25th Jul 2026522 PMAQI
25th Jul 2026503 PMAQI
25th Jul 2026544 PMAQI
25th Jul 2026505 PMAQI
25th Jul 2026446 PMAQI
25th Jul 2026587 PMAQI
25th Jul 2026548 PMAQI
25th Jul 2026569 PMAQI
25th Jul 20265710 PMAQI
25th Jul 20265011 PMAQI
26th Jul 20265412 AMAQI
26th Jul 2026421 AMAQI
26th Jul 2026442 AMAQI
26th Jul 2026463 AMAQI

23°C22/25°C

26th Jul 2026384 AMAQI
26th Jul 2026275 AMAQI
26th Jul 2026236 AMAQI
26th Jul 2026407 AMAQI
26th Jul 2026238 AMAQI
26th Jul 2026279 AMAQI
26th Jul 20264010 AMAQI
26th Jul 20264611 AMAQI
26th Jul 20263812 PMAQI
26th Jul 2026321 PMAQI
26th Jul 2026362 PMAQI
26th Jul 2026423 PMAQI
26th Jul 2026464 PMAQI
26th Jul 2026345 PMAQI
26th Jul 2026366 PMAQI
26th Jul 2026277 PMAQI
26th Jul 2026258 PMAQI
26th Jul 2026279 PMAQI
26th Jul 20264810 PMAQI
26th Jul 20263411 PMAQI
27th Jul 20263812 AMAQI
27th Jul 2026231 AMAQI
27th Jul 2026232 AMAQI
27th Jul 2026253 AMAQI

22°C21/22°C

27th Jul 2026314 AMAQI
27th Jul 2026255 AMAQI
27th Jul 2026216 AMAQI
27th Jul 2026237 AMAQI
27th Jul 2026238 AMAQI
27th Jul 2026299 AMAQI
27th Jul 20263410 AMAQI
27th Jul 20263211 AMAQI
27th Jul 20262712 PMAQI
27th Jul 2026321 PMAQI
27th Jul 2026422 PMAQI
27th Jul 2026273 PMAQI
27th Jul 2026294 PMAQI
27th Jul 2026255 PMAQI
27th Jul 2026386 PMAQI
27th Jul 2026447 PMAQI
27th Jul 2026368 PMAQI
27th Jul 2026349 PMAQI
27th Jul 20263410 PMAQI
27th Jul 20263611 PMAQI
28th Jul 20263612 AMAQI
28th Jul 2026311 AMAQI
28th Jul 2026292 AMAQI
28th Jul 2026423 AMAQI

23°C21/26°C

28th Jul 2026404 AMAQI
28th Jul 2026315 AMAQI
28th Jul 2026366 AMAQI
28th Jul 2026257 AMAQI
28th Jul 2026278 AMAQI
28th Jul 2026239 AMAQI
28th Jul 20262910 AMAQI
28th Jul 20262911 AMAQI
28th Jul 20262512 PMAQI
28th Jul 2026311 PMAQI
28th Jul 2026442 PMAQI
28th Jul 2026483 PMAQI
28th Jul 2026404 PMAQI
28th Jul 2026505 PMAQI
28th Jul 2026316 PMAQI
28th Jul 2026277 PMAQI
28th Jul 2026218 PMAQI
28th Jul 2026369 PMAQI
28th Jul 20264010 PMAQI
28th Jul 20264011 PMAQI
29th Jul 20263712 AMAQI
29th Jul 2026361 AMAQI
29th Jul 2026442 AMAQI
29th Jul 2026463 AMAQI

23°C21/26°C

29th Jul 2026444 AMAQI
29th Jul 2026365 AMAQI
29th Jul 2026406 AMAQI
29th Jul 2026347 AMAQI
29th Jul 2026258 AMAQI
29th Jul 2026279 AMAQI
29th Jul 20263610 AMAQI
29th Jul 20264011 AMAQI
29th Jul 20263612 PMAQI
29th Jul 2026341 PMAQI
29th Jul 2026382 PMAQI
29th Jul 2026293 PMAQI
29th Jul 2026364 PMAQI
29th Jul 2026455 PMAQI
29th Jul 2026466 PMAQI
29th Jul 2026507 PMAQI
29th Jul 2026408 PMAQI
29th Jul 2026369 PMAQI
29th Jul 20264010 PMAQI
29th Jul 20264411 PMAQI
30th Jul 20263412 AMAQI
30th Jul 2026331 AMAQI
30th Jul 2026382 AMAQI
30th Jul 2026423 AMAQI

24°C22/25°C

30th Jul 2026384 AMAQI
30th Jul 2026525 AMAQI
30th Jul 2026476 AMAQI
30th Jul 2026407 AMAQI
30th Jul 2026408 AMAQI
30th Jul 2026459 AMAQI
30th Jul 20264210 AMAQI
30th Jul 20264611 AMAQI
30th Jul 20265112 PMAQI
30th Jul 2026571 PMAQI
30th Jul 2026572 PMAQI
30th Jul 2026573 PMAQI
30th Jul 2026604 PMAQI
30th Jul 2026605 PMAQI
30th Jul 2026526 PMAQI
30th Jul 2026467 PMAQI
30th Jul 2026518 PMAQI
30th Jul 2026309 PMAQI
30th Jul 20262510 PMAQI
30th Jul 20262511 PMAQI
31st Jul 20262912 AMAQI
31st Jul 2026271 AMAQI
31st Jul 2026252 AMAQI
31st Jul 2026253 AMAQI

24°C23/26°C

31st Jul 2026214 AMAQI
31st Jul 2026255 AMAQI
31st Jul 2026216 AMAQI
31st Jul 2026257 AMAQI
31st Jul 2026218 AMAQI
31st Jul 2026239 AMAQI
31st Jul 20262110 AMAQI
31st Jul 20262311 AMAQI
31st Jul 20262712 PMAQI
31st Jul 2026211 PMAQI
31st Jul 2026192 PMAQI
31st Jul 2026213 PMAQI
31st Jul 2026194 PMAQI
31st Jul 2026235 PMAQI
31st Jul 2026256 PMAQI
31st Jul 2026217 PMAQI
31st Jul 2026218 PMAQI
31st Jul 2026219 PMAQI
31st Jul 20261710 PMAQI
31st Jul 20261211 PMAQI
1st Aug 20261212 AMAQI
1st Aug 2026121 AMAQI
1st Aug 2026182 AMAQI
1st Aug 2026223 AMAQI

23°C22/24°C

1st Aug 2026224 AMAQI
1st Aug 2026215 AMAQI
1st Aug 2026236 AMAQI
1st Aug 2026297 AMAQI
1st Aug 2026318 AMAQI
1st Aug 2026279 AMAQI
1st Aug 20264010 AMAQI
1st Aug 20263011 AMAQI
1st Aug 20265212 PMAQI
1st Aug 2026301 PMAQI
1st Aug 2026292 PMAQI
1st Aug 2026293 PMAQI
1st Aug 2026404 PMAQI
1st Aug 2026465 PMAQI
1st Aug 2026486 PMAQI
1st Aug 2026447 PMAQI
1st Aug 2026498 PMAQI
1st Aug 2026579 PMAQI
1st Aug 20265510 PMAQI
1st Aug 20264811 PMAQI
2nd Aug 20265312 AMAQI
2nd Aug 2026561 AMAQI
2nd Aug 2026602 AMAQI
2nd Aug 2026593 AMAQI

25°C23/27°C

2nd Aug 2026574 AMAQI
2nd Aug 2026335 AMAQI
2nd Aug 2026296 AMAQI
2nd Aug 2026387 AMAQI
2nd Aug 2026638 AMAQI
2nd Aug 2026499 AMAQI
2nd Aug 20263010 AMAQI
2nd Aug 20262311 AMAQI
2nd Aug 20262112 PMAQI
2nd Aug 2026121 PMAQI
2nd Aug 2026172 PMAQI
2nd Aug 2026193 PMAQI
2nd Aug 2026144 PMAQI
2nd Aug 2026175 PMAQI
2nd Aug 2026126 PMAQI
2nd Aug 2026147 PMAQI
2nd Aug 2026148 PMAQI
2nd Aug 2026129 PMAQI
2nd Aug 20261210 PMAQI
2nd Aug 20261711 PMAQI
3rd Aug 20261412 AMAQI
3rd Aug 2026171 AMAQI
3rd Aug 2026122 AMAQI
3rd Aug 2026123 AMAQI

23°C21/24°C

3rd Aug 2026124 AMAQI
3rd Aug 2026125 AMAQI
3rd Aug 2026176 AMAQI
3rd Aug 2026177 AMAQI
3rd Aug 2026148 AMAQI
3rd Aug 2026179 AMAQI
3rd Aug 20261710 AMAQI
3rd Aug 20261911 AMAQI
3rd Aug 20262112 PMAQI
3rd Aug 2026231 PMAQI
3rd Aug 2026232 PMAQI
3rd Aug 2026213 PMAQI
3rd Aug 2026254 PMAQI
3rd Aug 2026255 PMAQI
3rd Aug 2026236 PMAQI
3rd Aug 2026257 PMAQI
3rd Aug 2026258 PMAQI
3rd Aug 2026339 PMAQI
3rd Aug 20262910 PMAQI
3rd Aug 20263111 PMAQI
4th Aug 20263312 AMAQI
4th Aug 2026291 AMAQI
4th Aug 2026332 AMAQI
4th Aug 2026233 AMAQI

23°C20/27°C

4th Aug 2026274 AMAQI
4th Aug 2026335 AMAQI
4th Aug 2026426 AMAQI
4th Aug 2026537 AMAQI
4th Aug 2026488 AMAQI
4th Aug 2026469 AMAQI
4th Aug 20264910 AMAQI
4th Aug 20265211 AMAQI
4th Aug 20265512 PMAQI
4th Aug 2026401 PMAQI
4th Aug 2026442 PMAQI
4th Aug 2026493 PMAQI
4th Aug 2026494 PMAQI
4th Aug 2026685 PMAQI
4th Aug 2026636 PMAQI
4th Aug 2026657 PMAQI
4th Aug 2026648 PMAQI
4th Aug 2026699 PMAQI
4th Aug 20265910 PMAQI
4th Aug 20267011 PMAQI
5th Aug 20266212 AMAQI
5th Aug 2026601 AMAQI
5th Aug 2026662 AMAQI
5th Aug 2026643 AMAQI

23°C18/29°C

5th Aug 2026604 AMAQI
5th Aug 2026605 AMAQI
5th Aug 2026516 AMAQI
5th Aug 2026527 AMAQI
5th Aug 2026558 AMAQI
5th Aug 2026549 AMAQI
5th Aug 20265610 AMAQI
5th Aug 20264611 AMAQI
5th Aug 20265612 PMAQI
5th Aug 2026231 PMAQI
5th Aug 2026362 PMAQI
5th Aug 2026343 PMAQI
5th Aug 2026424 PMAQI
5th Aug 2026565 PMAQI
5th Aug 2026586 PMAQI
5th Aug 2026627 PMAQI
5th Aug 2026628 PMAQI
5th Aug 2026659 PMAQI
5th Aug 20266810 PMAQI
5th Aug 20266911 PMAQI
6th Aug 20266912 AMAQI
6th Aug 2026651 AMAQI
6th Aug 2026602 AMAQI
6th Aug 2026603 AMAQI

23°C19/28°C

6th Aug 2026584 AMAQI
6th Aug 2026555 AMAQI
6th Aug 2026566 AMAQI
6th Aug 2026587 AMAQI
6th Aug 2026608 AMAQI
6th Aug 2026609 AMAQI
6th Aug 20266410 AMAQI
6th Aug 20266211 AMAQI
6th Aug 20266212 PMAQI
6th Aug 2026401 PMAQI
6th Aug 2026362 PMAQI
6th Aug 2026333 PMAQI
6th Aug 2026424 PMAQI
6th Aug 2026585 PMAQI
6th Aug 2026536 PMAQI
6th Aug 2026537 PMAQI
6th Aug 2026548 PMAQI
6th Aug 2026579 PMAQI
6th Aug 20266010 PMAQI
6th Aug 20266511 PMAQI
7th Aug 20267312 AMAQI
7th Aug 2026761 AMAQI
7th Aug 2026692 AMAQI
7th Aug 2026693 AMAQI

25°C21/29°C

7th Aug 2026624 AMAQI
7th Aug 2026585 AMAQI
7th Aug 2026546 AMAQI
7th Aug 2026607 AMAQI
7th Aug 2026678 AMAQI
7th Aug 2026629 AMAQI
7th Aug 20266410 AMAQI
7th Aug 20266211 AMAQI
7th Aug 20265812 PMAQI
7th Aug 2026451 PMAQI
7th Aug 2026542 PMAQI
7th Aug 2026423 PMAQI
7th Aug 2026514 PMAQI
7th Aug 2026585 PMAQI
7th Aug 2026536 PMAQI
7th Aug 2026507 PMAQI
7th Aug 2026518 PMAQI
7th Aug 2026369 PMAQI
7th Aug 20265210 PMAQI
7th Aug 20265211 PMAQI
8th Aug 20264712 AMAQI
8th Aug 2026521 AMAQI
8th Aug 2026422 AMAQI
8th Aug 2026383 AMAQI

26°C24/29°C

8th Aug 2026384 AMAQI
8th Aug 2026315 AMAQI
8th Aug 2026276 AMAQI
8th Aug 2026257 AMAQI
8th Aug 2026258 AMAQI
8th Aug 2026319 AMAQI
8th Aug 20263610 AMAQI
8th Aug 20263611 AMAQI
8th Aug 20262712 PMAQI
8th Aug 2026331 PMAQI
8th Aug 2026362 PMAQI
8th Aug 2026333 PMAQI
8th Aug 2026214 PMAQI
8th Aug 2026275 PMAQI
8th Aug 2026276 PMAQI
8th Aug 2026297 PMAQI
8th Aug 2026258 PMAQI
8th Aug 2026219 PMAQI
8th Aug 20262910 PMAQI
8th Aug 20262511 PMAQI
9th Aug 20262712 AMAQI
9th Aug 2026291 AMAQI
9th Aug 2026362 AMAQI
9th Aug 2026363 AMAQI

26°C24/29°C

9th Aug 2026274 AMAQI
9th Aug 2026295 AMAQI
9th Aug 2026336 AMAQI
9th Aug 2026387 AMAQI
9th Aug 2026318 AMAQI
9th Aug 2026409 AMAQI
9th Aug 20262710 AMAQI
9th Aug 20263111 AMAQI
9th Aug 20262712 PMAQI
9th Aug 2026211 PMAQI
9th Aug 2026272 PMAQI
9th Aug 2026293 PMAQI
9th Aug 2026274 PMAQI
9th Aug 2026235 PMAQI
9th Aug 2026256 PMAQI
9th Aug 2026257 PMAQI
9th Aug 2026218 PMAQI
9th Aug 2026299 PMAQI
9th Aug 20264410 PMAQI
9th Aug 20263111 PMAQI
10th Aug 20263812 AMAQI
10th Aug 2026291 AMAQI
10th Aug 2026322 AMAQI
10th Aug 2026273 AMAQI

25°C23/27°C

10th Aug 2026274 AMAQI
10th Aug 2026235 AMAQI
10th Aug 2026276 AMAQI
10th Aug 2026257 AMAQI
10th Aug 2026278 AMAQI
10th Aug 2026389 AMAQI
10th Aug 20264410 AMAQI
10th Aug 20264211 AMAQI
10th Aug 20264412 PMAQI
10th Aug 2026491 PMAQI
10th Aug 2026312 PMAQI
10th Aug 2026253 PMAQI
10th Aug 2026364 PMAQI
10th Aug 2026295 PMAQI
10th Aug 2026276 PMAQI
10th Aug 2026237 PMAQI
10th Aug 2026298 PMAQI
10th Aug 2026259 PMAQI
10th Aug 20262510 PMAQI
10th Aug 20264211 PMAQI
11th Aug 20264712 AMAQI
11th Aug 2026521 AMAQI
11th Aug 2026422 AMAQI
11th Aug 2026493 AMAQI

24°C21/26°C

11th Aug 2026464 AMAQI
11th Aug 2026425 AMAQI
11th Aug 2026506 AMAQI
11th Aug 2026477 AMAQI
11th Aug 2026498 AMAQI
11th Aug 2026319 AMAQI
11th Aug 20265610 AMAQI
11th Aug 20265311 AMAQI
11th Aug 20264812 PMAQI
11th Aug 2026501 PMAQI
11th Aug 2026442 PMAQI
11th Aug 2026313 PMAQI
11th Aug 2026334 PMAQI
11th Aug 2026365 PMAQI
11th Aug 2026296 PMAQI
11th Aug 2026447 PMAQI
11th Aug 2026278 PMAQI
11th Aug 2026329 PMAQI
11th Aug 20265110 PMAQI
11th Aug 20265111 PMAQI
12th Aug 20264012 AMAQI
12th Aug 2026441 AMAQI
12th Aug 2026442 AMAQI
12th Aug 2026383 AMAQI

23°C20/24°C

12th Aug 2026384 AMAQI
12th Aug 2026465 AMAQI
12th Aug 2026476 AMAQI
12th Aug 2026447 AMAQI
12th Aug 2026348 AMAQI
12th Aug 2026489 AMAQI
12th Aug 20265010 AMAQI
12th Aug 20264411 AMAQI
12th Aug 20266012 PMAQI
12th Aug 2026511 PMAQI
12th Aug 2026512 PMAQI
12th Aug 2026463 PMAQI
12th Aug 2026384 PMAQI
12th Aug 2026575 PMAQI
12th Aug 2026586 PMAQI
12th Aug 2026557 PMAQI
12th Aug 2026508 PMAQI
12th Aug 2026589 PMAQI
12th Aug 20266010 PMAQI
12th Aug 20264911 PMAQI
13th Aug 20265612 AMAQI
13th Aug 2026581 AMAQI
13th Aug 2026542 AMAQI
13th Aug 2026513 AMAQI

25°C23/28°C

13th Aug 2026544 AMAQI
13th Aug 2026485 AMAQI
13th Aug 2026466 AMAQI
13th Aug 2026547 AMAQI
13th Aug 2026528 AMAQI
13th Aug 2026549 AMAQI
13th Aug 20266010 AMAQI
13th Aug 20265411 AMAQI
13th Aug 20265512 PMAQI
13th Aug 2026401 PMAQI
13th Aug 2026402 PMAQI
13th Aug 2026273 PMAQI
13th Aug 2026404 PMAQI
13th Aug 2026445 PMAQI
13th Aug 2026516 PMAQI
13th Aug 2026487 PMAQI
13th Aug 2026488 PMAQI
13th Aug 2026479 PMAQI
13th Aug 20265110 PMAQI
13th Aug 20264811 PMAQI
14th Aug 20264212 AMAQI
14th Aug 2026361 AMAQI
14th Aug 2026382 AMAQI
14th Aug 2026443 AMAQI

26°C23/30°C

14th Aug 2026364 AMAQI
14th Aug 2026335 AMAQI
14th Aug 2026296 AMAQI
14th Aug 2026277 AMAQI
14th Aug 2026258 AMAQI
14th Aug 2026219 AMAQI
14th Aug 20263810 AMAQI
14th Aug 20264611 AMAQI
14th Aug 20264412 PMAQI
14th Aug 2026341 PMAQI
14th Aug 2026362 PMAQI
14th Aug 2026383 PMAQI
14th Aug 2026334 PMAQI
14th Aug 2026255 PMAQI
14th Aug 2026386 PMAQI
14th Aug 2026427 PMAQI
14th Aug 2026348 PMAQI
14th Aug 2026299 PMAQI
14th Aug 20264010 PMAQI
14th Aug 20265111 PMAQI
15th Aug 20264412 AMAQI
15th Aug 2026461 AMAQI
15th Aug 2026492 AMAQI
15th Aug 2026463 AMAQI

26°C22/30°C

15th Aug 2026504 AMAQI
15th Aug 2026515 AMAQI
15th Aug 2026466 AMAQI
15th Aug 2026507 AMAQI
15th Aug 2026508 AMAQI
15th Aug 2026409 AMAQI
15th Aug 20265610 AMAQI
15th Aug 20265511 AMAQI
15th Aug 20265712 PMAQI
15th Aug 2026331 PMAQI
15th Aug 2026472 PMAQI
15th Aug 2026553 PMAQI
15th Aug 2026554 PMAQI
15th Aug 2026635 PMAQI
15th Aug 2026656 PMAQI
15th Aug 2026667 PMAQI
15th Aug 2026648 PMAQI
15th Aug 2026589 PMAQI
15th Aug 20265510 PMAQI
15th Aug 20265311 PMAQI
16th Aug 20264012 AMAQI
16th Aug 2026361 AMAQI
16th Aug 2026402 AMAQI
16th Aug 2026363 AMAQI

25°C22/29°C

16th Aug 2026334 AMAQI
16th Aug 2026235 AMAQI
16th Aug 2026236 AMAQI
16th Aug 2026297 AMAQI
16th Aug 2026258 AMAQI
16th Aug 2026279 AMAQI
16th Aug 20262910 AMAQI
16th Aug 20262511 AMAQI
16th Aug 20265012 PMAQI
16th Aug 2026521 PMAQI
16th Aug 2026362 PMAQI
16th Aug 2026303 PMAQI
16th Aug 2026274 PMAQI
16th Aug 2026365 PMAQI
16th Aug 2026236 PMAQI
16th Aug 2026237 PMAQI
16th Aug 2026278 PMAQI
16th Aug 2026309 PMAQI
16th Aug 20262510 PMAQI
16th Aug 20263411 PMAQI
17th Aug 20262512 AMAQI
17th Aug 2026361 AMAQI
17th Aug 2026252 AMAQI
17th Aug 2026213 AMAQI

24°C21/29°C

17th Aug 2026294 AMAQI
17th Aug 2026335 AMAQI
17th Aug 2026276 AMAQI
17th Aug 2026217 AMAQI
17th Aug 2026218 AMAQI
17th Aug 2026309 AMAQI
17th Aug 20263210 AMAQI
17th Aug 20262711 AMAQI
17th Aug 20262912 PMAQI
17th Aug 2026291 PMAQI
17th Aug 2026342 PMAQI
17th Aug 2026233 PMAQI
17th Aug 2026294 PMAQI
17th Aug 2026305 PMAQI
17th Aug 2026346 PMAQI
17th Aug 2026277 PMAQI
17th Aug 2026298 PMAQI
17th Aug 2026259 PMAQI
17th Aug 20263610 PMAQI
17th Aug 20263611 PMAQI
18th Aug 20263612 AMAQI
18th Aug 2026441 AMAQI
18th Aug 2026382 AMAQI
18th Aug 2026383 AMAQI

14°C13/15°C

18th Aug 2026254 AMAQI
4 AM
18th Aug 2026445 AMAQI
18th Aug 2026316 AMAQI
18th Aug 2026347 AMAQI
18th Aug 2026348 AMAQI
18th Aug 2026349 AMAQI
18th Aug 20262410 AMAQI
18th Aug 20262511 AMAQI
11 AM
18th Aug 20264212 PMAQI
18th Aug 2026471 PMAQI
18th Aug 2026462 PMAQI
18th Aug 2026313 PMAQI
18th Aug 2026384 PMAQI
18th Aug 2026425 PMAQI
18th Aug 2026256 PMAQI
6 PM
18th Aug 2026277 PMAQI
18th Aug 2026258 PMAQI
18th Aug 2026469 PMAQI
18th Aug 20265310 PMAQI
18th Aug 20264811 PMAQI
11 PM
3 AM

26°C23/28°C

Day time
Avg. Highest Time
12 PM

42AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
4 AM - 9 AM

37AQI

6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 12 PM (Avg. 42), while the lowest AQI was between 4 AM to 9 AM (Avg. 37).
Night time
Avg. Highest Time
10 PM - 11 PM

42AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
8 PM - 9 PM

38AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 11 PM (Avg. 42), while the lowest AQI was between 8 PM to 9 PM (Avg. 38).

2026 Days Vs Air Quality

Nishishinsaimachi, Tsuruoka, Yamagata, Japan

2026

87%

199

13%

31

Total number of days with different AQI categories in last 230 days in 2026 (135 days remaining)

Good
199 Days
Moderate
31 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 87%

Health Risk Level:

Low

In 2026, 87% of 230 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

Nishishinsaimachi, Tsuruoka, Yamagata, Japan

AQI levels in 2026

AQI (US)
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.

-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
18AQI (US)
2nd January 2026
12AQI (US)
3rd January 2026
16AQI (US)
4th January 2026
26AQI (US)
5th January 2026
24AQI (US)
6th January 2026
21AQI (US)
7th January 2026
16AQI (US)
8th January 2026
20AQI (US)
9th January 2026
17AQI (US)
10th January 2026
23AQI (US)
11th January 2026
29AQI (US)
12th January 2026
24AQI (US)
13th January 2026
13AQI (US)
14th January 2026
21AQI (US)
15th January 2026
25AQI (US)
16th January 2026
33AQI (US)
17th January 2026
41AQI (US)
18th January 2026
24AQI (US)
19th January 2026
26AQI (US)
20th January 2026
17AQI (US)
21st January 2026
18AQI (US)
22nd January 2026
19AQI (US)
23rd January 2026
33AQI (US)
24th January 2026
30AQI (US)
25th January 2026
39AQI (US)
26th January 2026
28AQI (US)
27th January 2026
32AQI (US)
28th January 2026
15AQI (US)
29th January 2026
12AQI (US)
30th January 2026
33AQI (US)
31st January 2026
41AQI (US)
1st February 2026
36AQI (US)
2nd February 2026
32AQI (US)
3rd February 2026
29AQI (US)
4th February 2026
19AQI (US)
5th February 2026
18AQI (US)
6th February 2026
38AQI (US)
7th February 2026
22AQI (US)
8th February 2026
18AQI (US)
9th February 2026
41AQI (US)
10th February 2026
50AQI (US)
11th February 2026
71AQI (US)
12th February 2026
27AQI (US)
13th February 2026
22AQI (US)
14th February 2026
69AQI (US)
15th February 2026
46AQI (US)
16th February 2026
38AQI (US)
17th February 2026
17AQI (US)
18th February 2026
31AQI (US)
19th February 2026
30AQI (US)
20th February 2026
36AQI (US)
21st February 2026
44AQI (US)
22nd February 2026
42AQI (US)
23rd February 2026
43AQI (US)
24th February 2026
29AQI (US)
25th February 2026
35AQI (US)
26th February 2026
36AQI (US)
27th February 2026
40AQI (US)
28th February 2026
36AQI (US)
1st March 2026
37AQI (US)
2nd March 2026
71AQI (US)
3rd March 2026
47AQI (US)
4th March 2026
64AQI (US)
5th March 2026
63AQI (US)
6th March 2026
55AQI (US)
7th March 2026
46AQI (US)
8th March 2026
44AQI (US)
9th March 2026
45AQI (US)
10th March 2026
54AQI (US)
11th March 2026
55AQI (US)
12th March 2026
62AQI (US)
13th March 2026
39AQI (US)
14th March 2026
48AQI (US)
15th March 2026
58AQI (US)
16th March 2026
56AQI (US)
17th March 2026
61AQI (US)
18th March 2026
49AQI (US)
19th March 2026
35AQI (US)
20th March 2026
24AQI (US)
21st March 2026
46AQI (US)
22nd March 2026
41AQI (US)
23rd March 2026
47AQI (US)
24th March 2026
73AQI (US)
25th March 2026
51AQI (US)
26th March 2026
30AQI (US)
27th March 2026
17AQI (US)
28th March 2026
45AQI (US)
29th March 2026
66AQI (US)
30th March 2026
61AQI (US)
31st March 2026
48AQI (US)
1st April 2026
28AQI (US)
2nd April 2026
21AQI (US)
3rd April 2026
49AQI (US)
4th April 2026
47AQI (US)
5th April 2026
19AQI (US)
6th April 2026
17AQI (US)
7th April 2026
25AQI (US)
8th April 2026
23AQI (US)
9th April 2026
32AQI (US)
10th April 2026
44AQI (US)
11th April 2026
38AQI (US)
12th April 2026
29AQI (US)
13th April 2026
30AQI (US)
14th April 2026
35AQI (US)
15th April 2026
42AQI (US)
16th April 2026
35AQI (US)
17th April 2026
34AQI (US)
18th April 2026
33AQI (US)
19th April 2026
33AQI (US)
20th April 2026
35AQI (US)
21st April 2026
44AQI (US)
22nd April 2026
39AQI (US)
23rd April 2026
39AQI (US)
24th April 2026
32AQI (US)
25th April 2026
40AQI (US)
26th April 2026
46AQI (US)
27th April 2026
44AQI (US)
28th April 2026
36AQI (US)
29th April 2026
31AQI (US)
30th April 2026
40AQI (US)
1st May 2026
50AQI (US)
2nd May 2026
50AQI (US)
3rd May 2026
26AQI (US)
4th May 2026
30AQI (US)
5th May 2026
23AQI (US)
6th May 2026
29AQI (US)
7th May 2026
28AQI (US)
8th May 2026
26AQI (US)
9th May 2026
30AQI (US)
10th May 2026
32AQI (US)
11th May 2026
28AQI (US)
12th May 2026
34AQI (US)
13th May 2026
38AQI (US)
14th May 2026
31AQI (US)
15th May 2026
36AQI (US)
16th May 2026
82AQI (US)
17th May 2026
67AQI (US)
18th May 2026
53AQI (US)
19th May 2026
48AQI (US)
20th May 2026
62AQI (US)
21st May 2026
60AQI (US)
22nd May 2026
67AQI (US)
23rd May 2026
56AQI (US)
24th May 2026
59AQI (US)
25th May 2026
51AQI (US)
26th May 2026
40AQI (US)
27th May 2026
28AQI (US)
28th May 2026
25AQI (US)
29th May 2026
23AQI (US)
30th May 2026
23AQI (US)
31st May 2026
27AQI (US)
1st June 2026
27AQI (US)
2nd June 2026
31AQI (US)
3rd June 2026
23AQI (US)
4th June 2026
15AQI (US)
5th June 2026
21AQI (US)
6th June 2026
21AQI (US)
7th June 2026
21AQI (US)
8th June 2026
20AQI (US)
9th June 2026
22AQI (US)
10th June 2026
22AQI (US)
11th June 2026
23AQI (US)
12th June 2026
23AQI (US)
13th June 2026
26AQI (US)
14th June 2026
23AQI (US)
15th June 2026
23AQI (US)
16th June 2026
24AQI (US)
17th June 2026
25AQI (US)
18th June 2026
26AQI (US)
19th June 2026
29AQI (US)
20th June 2026
21AQI (US)
21st June 2026
19AQI (US)
22nd June 2026
18AQI (US)
23rd June 2026
20AQI (US)
24th June 2026
20AQI (US)
25th June 2026
27AQI (US)
26th June 2026
28AQI (US)
27th June 2026
27AQI (US)
28th June 2026
27AQI (US)
29th June 2026
26AQI (US)
30th June 2026
23AQI (US)
1st July 2026
22AQI (US)
2nd July 2026
23AQI (US)
3rd July 2026
23AQI (US)
4th July 2026
24AQI (US)
5th July 2026
21AQI (US)
6th July 2026
23AQI (US)
7th July 2026
25AQI (US)
8th July 2026
24AQI (US)
9th July 2026
24AQI (US)
10th July 2026
28AQI (US)
11th July 2026
29AQI (US)
12th July 2026
24AQI (US)
13th July 2026
19AQI (US)
14th July 2026
28AQI (US)
15th July 2026
26AQI (US)
16th July 2026
25AQI (US)
17th July 2026
34AQI (US)
18th July 2026
52AQI (US)
19th July 2026
48AQI (US)
20th July 2026
59AQI (US)
21st July 2026
42AQI (US)
22nd July 2026
39AQI (US)
23rd July 2026
27AQI (US)
24th July 2026
26AQI (US)
25th July 2026
46AQI (US)
26th July 2026
36AQI (US)
27th July 2026
30AQI (US)
28th July 2026
34AQI (US)
29th July 2026
38AQI (US)
30th July 2026
44AQI (US)
31st July 2026
22AQI (US)
1st August 2026
34AQI (US)
2nd August 2026
30AQI (US)
3rd August 2026
20AQI (US)
4th August 2026
48AQI (US)
5th August 2026
55AQI (US)
6th August 2026
56AQI (US)
7th August 2026
57AQI (US)
8th August 2026
32AQI (US)
9th August 2026
30AQI (US)
10th August 2026
32AQI (US)
11th August 2026
43AQI (US)
12th August 2026
48AQI (US)
13th August 2026
49AQI (US)
14th August 2026
36AQI (US)
15th August 2026
52AQI (US)
16th August 2026
32AQI (US)
17th August 2026
29AQI (US)
18th August 2026
37AQI (US)
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

24AQI (US)

36AQI (US)

50AQI (US)

35AQI (US)

41AQI (US)

23AQI (US)

31AQI (US)

40AQI (US)

No. of days

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

202635AQI (US)

31
26
2
17
14
30
22
9
30
29
2
14
4
199
31

Highest AQI (US) recorded in

March

50AQI (US)

Lowest AQI (US) recorded in

June

23AQI (US)

202536AQI (US)

31
27
1
28
3
30
31
27
3
22
9
30
1
29
1
16
15
29
1
28
3
328
37

Highest AQI (US) recorded in

October

49AQI (US)

Lowest AQI (US) recorded in

April

26AQI (US)

202434AQI (US)

17
1
1
12
24
6
26
5
31
24
5
30
1
30
31
227
17

Highest AQI (US) recorded in

June

43AQI (US)

Lowest AQI (US) recorded in

January

19AQI (US)

202320AQI (US)

3
30
1
33
1

Highest AQI (US) recorded in

November

21AQI (US)

Lowest AQI (US) recorded in

December

20AQI (US)

202017AQI (US)

1
1

Highest AQI (US) recorded in

September

17AQI (US)

Lowest AQI (US) recorded in

September

17AQI (US)

Most & Least Polluted Years Over the Last 5 Years

Most Polluted Year Recorded
2025(Avg.)
36AQI (US)
Least Polluted Year Recorded
2020(Avg.)
17AQI (US)

Nishishinsaimachi's annual 2026 AQI (US) (35) shows an average percentage change of 45.2% (worsened AQI (US)) compared to previous years: 2020 (17), 2023 (20), 2024 (34), 2025 (36).