Sato, Nagasaki, 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+
September Air Quality Analysis
Sato, Nagasaki, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
6th Sep 2024
78AQILowest AQI recorded on
14th Sep 2023
17AQISame Day Analysis (18th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 26 of Good air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 18th Sep - 19th Sep 2025
Sato, Nagasaki, Japan
AQI
Day
Night
.
5 AM18th Sep 2025
6 PM
4 AM19th Sep 2025
Day time
Avg. Highest Time
6AM18th Sep
31AQI
Avg. Lowest Time
10AM18th Sep
15AQI
Night time
Avg. Highest Time
5AM18th Sep
30AQI
Avg. Lowest Time
7PM18th Sep
22AQI
In the last 24 hours,
Sato's AQI reached its highest point of 31 at 6 AM during the Day, while the lowest point, 15, was recorded at 10 AM during the Day between 18th Sep and 19th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Sato, Nagasaki, Japan
AugSep
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 - 19th19th
Day
Night
20th Aug 2025525 AMAQI
20th Aug 2025516 AMAQI
20th Aug 2025527 AMAQI
20th Aug 2025518 AMAQI
20th Aug 2025439 AMAQI
20th Aug 20255210 AMAQI
20th Aug 20255011 AMAQI
20th Aug 20255512 PMAQI
20th Aug 2025501 PMAQI
20th Aug 2025452 PMAQI
20th Aug 2025423 PMAQI
20th Aug 2025524 PMAQI
20th Aug 2025295 PMAQI
20th Aug 2025336 PMAQI
20th Aug 2025387 PMAQI
20th Aug 2025418 PMAQI
20th Aug 2025419 PMAQI
20th Aug 20254110 PMAQI
20th Aug 20253911 PMAQI
21st Aug 20254312 AMAQI
21st Aug 2025461 AMAQI
21st Aug 2025492 AMAQI
21st Aug 2025493 AMAQI
21st Aug 2025504 AMAQI
28°C25/32°C
21st Aug 2025505 AMAQI
21st Aug 2025506 AMAQI
21st Aug 2025507 AMAQI
21st Aug 2025508 AMAQI
21st Aug 2025269 AMAQI
21st Aug 20253110 AMAQI
21st Aug 20252811 AMAQI
21st Aug 20253912 PMAQI
21st Aug 2025491 PMAQI
21st Aug 2025502 PMAQI
21st Aug 2025623 PMAQI
21st Aug 2025564 PMAQI
21st Aug 2025465 PMAQI
21st Aug 2025446 PMAQI
21st Aug 2025457 PMAQI
21st Aug 2025478 PMAQI
21st Aug 2025519 PMAQI
21st Aug 20255310 PMAQI
21st Aug 20254911 PMAQI
22nd Aug 20255112 AMAQI
22nd Aug 2025471 AMAQI
22nd Aug 2025492 AMAQI
22nd Aug 2025483 AMAQI
22nd Aug 2025484 AMAQI
27°C24/32°C
22nd Aug 2025495 AMAQI
22nd Aug 2025466 AMAQI
22nd Aug 2025487 AMAQI
22nd Aug 2025488 AMAQI
22nd Aug 2025429 AMAQI
22nd Aug 20254410 AMAQI
22nd Aug 20255311 AMAQI
22nd Aug 20255712 PMAQI
22nd Aug 2025591 PMAQI
22nd Aug 2025592 PMAQI
22nd Aug 2025583 PMAQI
22nd Aug 2025614 PMAQI
22nd Aug 2025575 PMAQI
22nd Aug 2025556 PMAQI
22nd Aug 2025577 PMAQI
22nd Aug 2025518 PMAQI
22nd Aug 2025519 PMAQI
22nd Aug 20255410 PMAQI
22nd Aug 20255411 PMAQI
23rd Aug 20255412 AMAQI
23rd Aug 2025471 AMAQI
23rd Aug 2025482 AMAQI
23rd Aug 2025493 AMAQI
23rd Aug 2025504 AMAQI
27°C25/31°C
23rd Aug 2025505 AMAQI
23rd Aug 2025506 AMAQI
23rd Aug 2025497 AMAQI
23rd Aug 2025498 AMAQI
23rd Aug 2025469 AMAQI
23rd Aug 20254510 AMAQI
23rd Aug 20254511 AMAQI
23rd Aug 20254212 PMAQI
23rd Aug 2025421 PMAQI
23rd Aug 2025442 PMAQI
23rd Aug 2025413 PMAQI
23rd Aug 2025414 PMAQI
23rd Aug 2025375 PMAQI
23rd Aug 2025386 PMAQI
23rd Aug 2025407 PMAQI
23rd Aug 2025428 PMAQI
23rd Aug 2025459 PMAQI
23rd Aug 20254610 PMAQI
23rd Aug 20254611 PMAQI
24th Aug 20254412 AMAQI
24th Aug 2025491 AMAQI
24th Aug 2025502 AMAQI
24th Aug 2025493 AMAQI
24th Aug 2025494 AMAQI
28°C25/31°C
24th Aug 2025485 AMAQI
24th Aug 2025486 AMAQI
24th Aug 2025477 AMAQI
24th Aug 2025478 AMAQI
24th Aug 2025459 AMAQI
24th Aug 20252910 AMAQI
24th Aug 20253811 AMAQI
24th Aug 20253712 PMAQI
24th Aug 2025481 PMAQI
24th Aug 2025492 PMAQI
24th Aug 2025343 PMAQI
24th Aug 2025404 PMAQI
24th Aug 2025395 PMAQI
24th Aug 2025386 PMAQI
24th Aug 2025407 PMAQI
24th Aug 2025358 PMAQI
24th Aug 2025369 PMAQI
24th Aug 20253510 PMAQI
24th Aug 20253711 PMAQI
25th Aug 20253512 AMAQI
25th Aug 2025451 AMAQI
25th Aug 2025472 AMAQI
25th Aug 2025473 AMAQI
25th Aug 2025454 AMAQI
28°C25/31°C
25th Aug 2025455 AMAQI
25th Aug 2025466 AMAQI
25th Aug 2025467 AMAQI
25th Aug 2025448 AMAQI
25th Aug 2025339 AMAQI
25th Aug 20253510 AMAQI
25th Aug 20253011 AMAQI
25th Aug 20253112 PMAQI
25th Aug 2025401 PMAQI
25th Aug 2025422 PMAQI
25th Aug 2025463 PMAQI
25th Aug 2025344 PMAQI
25th Aug 2025355 PMAQI
25th Aug 2025406 PMAQI
25th Aug 2025377 PMAQI
25th Aug 2025418 PMAQI
25th Aug 2025389 PMAQI
25th Aug 20253610 PMAQI
25th Aug 20253611 PMAQI
26th Aug 20254012 AMAQI
26th Aug 2025441 AMAQI
26th Aug 2025452 AMAQI
26th Aug 2025453 AMAQI
26th Aug 2025454 AMAQI
28°C25/31°C
26th Aug 2025455 AMAQI
26th Aug 2025446 AMAQI
26th Aug 2025457 AMAQI
26th Aug 2025458 AMAQI
26th Aug 2025249 AMAQI
26th Aug 20252810 AMAQI
26th Aug 20253111 AMAQI
26th Aug 20252612 PMAQI
26th Aug 2025331 PMAQI
26th Aug 2025382 PMAQI
26th Aug 2025383 PMAQI
26th Aug 2025414 PMAQI
26th Aug 2025335 PMAQI
26th Aug 2025366 PMAQI
26th Aug 2025317 PMAQI
26th Aug 2025438 PMAQI
26th Aug 2025399 PMAQI
26th Aug 20253910 PMAQI
26th Aug 20254111 PMAQI
27th Aug 20254612 AMAQI
27th Aug 2025471 AMAQI
27th Aug 2025442 AMAQI
27th Aug 2025443 AMAQI
27th Aug 2025434 AMAQI
28°C25/31°C
27th Aug 2025435 AMAQI
27th Aug 2025426 AMAQI
27th Aug 2025427 AMAQI
27th Aug 2025428 AMAQI
27th Aug 2025499 AMAQI
27th Aug 20253710 AMAQI
27th Aug 20254511 AMAQI
27th Aug 20254312 PMAQI
27th Aug 2025401 PMAQI
27th Aug 2025392 PMAQI
27th Aug 2025563 PMAQI
27th Aug 2025514 PMAQI
27th Aug 2025495 PMAQI
27th Aug 2025476 PMAQI
27th Aug 2025417 PMAQI
27th Aug 2025408 PMAQI
27th Aug 2025429 PMAQI
27th Aug 20253810 PMAQI
27th Aug 20254011 PMAQI
28th Aug 20254112 AMAQI
28th Aug 2025441 AMAQI
28th Aug 2025452 AMAQI
28th Aug 2025443 AMAQI
28th Aug 2025454 AMAQI
28°C25/31°C
28th Aug 2025445 AMAQI
28th Aug 2025446 AMAQI
28th Aug 2025457 AMAQI
28th Aug 2025458 AMAQI
28th Aug 2025419 AMAQI
28th Aug 20254310 AMAQI
28th Aug 20253411 AMAQI
28th Aug 20254512 PMAQI
28th Aug 2025461 PMAQI
28th Aug 2025422 PMAQI
28th Aug 2025483 PMAQI
28th Aug 2025474 PMAQI
28th Aug 2025525 PMAQI
28th Aug 2025436 PMAQI
28th Aug 2025487 PMAQI
28th Aug 2025458 PMAQI
28th Aug 2025489 PMAQI
28th Aug 20254710 PMAQI
28th Aug 20254711 PMAQI
29th Aug 20254712 AMAQI
29th Aug 2025441 AMAQI
29th Aug 2025442 AMAQI
29th Aug 2025453 AMAQI
29th Aug 2025444 AMAQI
27°C25/31°C
29th Aug 2025445 AMAQI
29th Aug 2025456 AMAQI
29th Aug 2025437 AMAQI
29th Aug 2025458 AMAQI
29th Aug 2025449 AMAQI
29th Aug 20254710 AMAQI
29th Aug 20255111 AMAQI
29th Aug 20254812 PMAQI
29th Aug 2025441 PMAQI
29th Aug 2025462 PMAQI
29th Aug 2025503 PMAQI
29th Aug 2025454 PMAQI
29th Aug 2025465 PMAQI
29th Aug 2025506 PMAQI
29th Aug 2025497 PMAQI
29th Aug 2025458 PMAQI
29th Aug 2025449 PMAQI
29th Aug 20254510 PMAQI
29th Aug 20254811 PMAQI
30th Aug 20254812 AMAQI
30th Aug 2025501 AMAQI
30th Aug 2025482 AMAQI
30th Aug 2025453 AMAQI
30th Aug 2025464 AMAQI
28°C25/32°C
30th Aug 2025465 AMAQI
30th Aug 2025466 AMAQI
30th Aug 2025467 AMAQI
30th Aug 2025478 AMAQI
30th Aug 2025449 AMAQI
30th Aug 20253810 AMAQI
30th Aug 20254911 AMAQI
30th Aug 20255412 PMAQI
30th Aug 2025551 PMAQI
30th Aug 2025532 PMAQI
30th Aug 2025563 PMAQI
30th Aug 2025594 PMAQI
30th Aug 2025575 PMAQI
30th Aug 2025566 PMAQI
30th Aug 2025587 PMAQI
30th Aug 2025498 PMAQI
30th Aug 2025509 PMAQI
30th Aug 20255110 PMAQI
30th Aug 20255311 PMAQI
31st Aug 20255112 AMAQI
31st Aug 2025501 AMAQI
31st Aug 2025472 AMAQI
31st Aug 2025483 AMAQI
31st Aug 2025484 AMAQI
28°C25/33°C
31st Aug 2025505 AMAQI
31st Aug 2025506 AMAQI
31st Aug 2025507 AMAQI
31st Aug 2025508 AMAQI
31st Aug 2025589 AMAQI
31st Aug 20255810 AMAQI
31st Aug 20256011 AMAQI
31st Aug 20256112 PMAQI
31st Aug 2025551 PMAQI
31st Aug 2025542 PMAQI
31st Aug 2025553 PMAQI
31st Aug 2025464 PMAQI
31st Aug 2025425 PMAQI
31st Aug 2025516 PMAQI
31st Aug 2025407 PMAQI
31st Aug 2025488 PMAQI
31st Aug 2025429 PMAQI
31st Aug 20254210 PMAQI
31st Aug 20254211 PMAQI
1st Sep 20254312 AMAQI
1st Sep 2025481 AMAQI
1st Sep 2025492 AMAQI
1st Sep 2025503 AMAQI
1st Sep 2025514 AMAQI
28°C25/32°C
1st Sep 2025525 AMAQI
1st Sep 2025516 AMAQI
1st Sep 2025527 AMAQI
1st Sep 2025528 AMAQI
1st Sep 2025329 AMAQI
1st Sep 20252710 AMAQI
1st Sep 20252511 AMAQI
1st Sep 20252412 PMAQI
1st Sep 2025301 PMAQI
1st Sep 2025282 PMAQI
1st Sep 2025333 PMAQI
1st Sep 2025294 PMAQI
1st Sep 2025295 PMAQI
1st Sep 2025366 PMAQI
1st Sep 2025387 PMAQI
1st Sep 2025328 PMAQI
1st Sep 2025359 PMAQI
1st Sep 20253510 PMAQI
1st Sep 20253611 PMAQI
2nd Sep 20253912 AMAQI
2nd Sep 2025461 AMAQI
2nd Sep 2025482 AMAQI
2nd Sep 2025483 AMAQI
2nd Sep 2025474 AMAQI
28°C25/31°C
2nd Sep 2025455 AMAQI
2nd Sep 2025466 AMAQI
2nd Sep 2025457 AMAQI
2nd Sep 2025448 AMAQI
2nd Sep 2025369 AMAQI
2nd Sep 20254510 AMAQI
2nd Sep 20253511 AMAQI
2nd Sep 20253212 PMAQI
2nd Sep 2025221 PMAQI
2nd Sep 2025282 PMAQI
2nd Sep 2025273 PMAQI
2nd Sep 2025334 PMAQI
2nd Sep 2025395 PMAQI
2nd Sep 2025366 PMAQI
2nd Sep 2025357 PMAQI
2nd Sep 2025358 PMAQI
2nd Sep 2025469 PMAQI
2nd Sep 20254910 PMAQI
2nd Sep 20254511 PMAQI
3rd Sep 20254612 AMAQI
3rd Sep 2025431 AMAQI
3rd Sep 2025462 AMAQI
3rd Sep 2025473 AMAQI
3rd Sep 2025444 AMAQI
27°C25/30°C
3rd Sep 2025455 AMAQI
3rd Sep 2025466 AMAQI
3rd Sep 2025457 AMAQI
3rd Sep 2025448 AMAQI
3rd Sep 2025389 AMAQI
3rd Sep 20254310 AMAQI
3rd Sep 20255311 AMAQI
3rd Sep 20255012 PMAQI
3rd Sep 2025501 PMAQI
3rd Sep 2025472 PMAQI
3rd Sep 2025373 PMAQI
3rd Sep 2025404 PMAQI
3rd Sep 2025465 PMAQI
3rd Sep 2025446 PMAQI
3rd Sep 2025417 PMAQI
3rd Sep 2025428 PMAQI
3rd Sep 2025379 PMAQI
3rd Sep 20253610 PMAQI
3rd Sep 20253711 PMAQI
4th Sep 20253812 AMAQI
4th Sep 2025401 AMAQI
4th Sep 2025442 AMAQI
4th Sep 2025443 AMAQI
4th Sep 2025464 AMAQI
28°C25/33°C
4th Sep 2025445 AMAQI
4th Sep 2025446 AMAQI
4th Sep 2025457 AMAQI
4th Sep 2025458 AMAQI
4th Sep 2025269 AMAQI
4th Sep 20253110 AMAQI
4th Sep 20252611 AMAQI
4th Sep 20252812 PMAQI
4th Sep 2025321 PMAQI
4th Sep 2025322 PMAQI
4th Sep 2025273 PMAQI
4th Sep 2025334 PMAQI
4th Sep 2025245 PMAQI
4th Sep 2025206 PMAQI
4th Sep 2025237 PMAQI
4th Sep 2025268 PMAQI
4th Sep 2025229 PMAQI
4th Sep 20251910 PMAQI
4th Sep 20251611 PMAQI
5th Sep 20251412 AMAQI
5th Sep 2025231 AMAQI
5th Sep 2025432 AMAQI
5th Sep 2025443 AMAQI
5th Sep 2025424 AMAQI
27°C25/31°C
5th Sep 2025435 AMAQI
5th Sep 2025396 AMAQI
5th Sep 2025407 AMAQI
5th Sep 2025408 AMAQI
5th Sep 2025349 AMAQI
5th Sep 20253210 AMAQI
5th Sep 20252811 AMAQI
5th Sep 20253512 PMAQI
5th Sep 2025341 PMAQI
5th Sep 2025332 PMAQI
5th Sep 2025353 PMAQI
5th Sep 2025424 PMAQI
5th Sep 2025425 PMAQI
5th Sep 2025466 PMAQI
5th Sep 2025387 PMAQI
5th Sep 2025318 PMAQI
5th Sep 2025319 PMAQI
5th Sep 20253510 PMAQI
5th Sep 20253611 PMAQI
6th Sep 20253012 AMAQI
6th Sep 2025331 AMAQI
6th Sep 2025282 AMAQI
6th Sep 2025333 AMAQI
6th Sep 2025344 AMAQI
27°C25/31°C
6th Sep 2025365 AMAQI
6th Sep 2025336 AMAQI
6th Sep 2025387 AMAQI
6th Sep 2025348 AMAQI
6th Sep 2025379 AMAQI
6th Sep 20255010 AMAQI
6th Sep 20254811 AMAQI
6th Sep 20254212 PMAQI
6th Sep 2025401 PMAQI
6th Sep 2025472 PMAQI
6th Sep 2025423 PMAQI
6th Sep 2025364 PMAQI
6th Sep 2025445 PMAQI
6th Sep 2025396 PMAQI
6th Sep 2025377 PMAQI
6th Sep 2025328 PMAQI
6th Sep 2025319 PMAQI
6th Sep 20253110 PMAQI
6th Sep 20252811 PMAQI
7th Sep 20253312 AMAQI
7th Sep 2025381 AMAQI
7th Sep 2025322 AMAQI
7th Sep 2025333 AMAQI
7th Sep 2025364 AMAQI
27°C24/32°C
7th Sep 2025365 AMAQI
7th Sep 2025356 AMAQI
7th Sep 2025357 AMAQI
7th Sep 2025358 AMAQI
7th Sep 2025339 AMAQI
7th Sep 20253610 AMAQI
7th Sep 20253111 AMAQI
7th Sep 20254012 PMAQI
7th Sep 2025361 PMAQI
7th Sep 2025482 PMAQI
7th Sep 2025483 PMAQI
7th Sep 2025524 PMAQI
7th Sep 2025475 PMAQI
7th Sep 2025516 PMAQI
7th Sep 2025497 PMAQI
7th Sep 2025488 PMAQI
7th Sep 2025449 PMAQI
7th Sep 20254010 PMAQI
7th Sep 20253911 PMAQI
8th Sep 20253512 AMAQI
8th Sep 2025361 AMAQI
8th Sep 2025322 AMAQI
8th Sep 2025323 AMAQI
8th Sep 2025344 AMAQI
28°C24/31°C
8th Sep 2025355 AMAQI
8th Sep 2025366 AMAQI
8th Sep 2025367 AMAQI
8th Sep 2025348 AMAQI
8th Sep 2025449 AMAQI
8th Sep 20253210 AMAQI
8th Sep 20253411 AMAQI
8th Sep 20253712 PMAQI
8th Sep 2025361 PMAQI
8th Sep 2025392 PMAQI
8th Sep 2025413 PMAQI
8th Sep 2025494 PMAQI
8th Sep 2025445 PMAQI
8th Sep 2025366 PMAQI
8th Sep 2025427 PMAQI
8th Sep 2025408 PMAQI
8th Sep 2025389 PMAQI
8th Sep 20253510 PMAQI
8th Sep 20253411 PMAQI
9th Sep 20253912 AMAQI
9th Sep 2025371 AMAQI
9th Sep 2025352 AMAQI
9th Sep 2025363 AMAQI
9th Sep 2025364 AMAQI
28°C25/31°C
9th Sep 2025385 AMAQI
9th Sep 2025366 AMAQI
9th Sep 2025357 AMAQI
9th Sep 2025368 AMAQI
9th Sep 2025249 AMAQI
9th Sep 20252410 AMAQI
9th Sep 20252211 AMAQI
9th Sep 20252612 PMAQI
9th Sep 2025341 PMAQI
9th Sep 2025352 PMAQI
9th Sep 2025323 PMAQI
9th Sep 2025294 PMAQI
9th Sep 2025375 PMAQI
9th Sep 2025306 PMAQI
9th Sep 2025347 PMAQI
9th Sep 2025328 PMAQI
9th Sep 2025339 PMAQI
9th Sep 20253410 PMAQI
9th Sep 20253511 PMAQI
10th Sep 20253612 AMAQI
10th Sep 2025361 AMAQI
10th Sep 2025362 AMAQI
10th Sep 2025363 AMAQI
10th Sep 2025374 AMAQI
27°C25/31°C
10th Sep 2025365 AMAQI
10th Sep 2025386 AMAQI
10th Sep 2025367 AMAQI
10th Sep 2025368 AMAQI
10th Sep 2025279 AMAQI
10th Sep 20252810 AMAQI
10th Sep 20253011 AMAQI
10th Sep 20253012 PMAQI
10th Sep 2025291 PMAQI
10th Sep 2025352 PMAQI
10th Sep 2025403 PMAQI
10th Sep 2025354 PMAQI
10th Sep 2025365 PMAQI
10th Sep 2025286 PMAQI
10th Sep 2025287 PMAQI
10th Sep 2025328 PMAQI
10th Sep 2025379 PMAQI
10th Sep 20253710 PMAQI
10th Sep 20253311 PMAQI
11th Sep 20253512 AMAQI
11th Sep 2025401 AMAQI
11th Sep 2025372 AMAQI
11th Sep 2025393 AMAQI
11th Sep 2025374 AMAQI
26°C24/29°C
11th Sep 2025355 AMAQI
11th Sep 2025376 AMAQI
11th Sep 2025387 AMAQI
11th Sep 2025378 AMAQI
11th Sep 2025419 AMAQI
11th Sep 20254610 AMAQI
11th Sep 20254011 AMAQI
11th Sep 20254112 PMAQI
11th Sep 2025351 PMAQI
11th Sep 2025372 PMAQI
11th Sep 2025443 PMAQI
11th Sep 2025384 PMAQI
11th Sep 2025425 PMAQI
11th Sep 2025456 PMAQI
11th Sep 2025407 PMAQI
11th Sep 2025368 PMAQI
11th Sep 2025369 PMAQI
11th Sep 20253510 PMAQI
11th Sep 20253611 PMAQI
12th Sep 20253412 AMAQI
12th Sep 2025351 AMAQI
12th Sep 2025372 AMAQI
12th Sep 2025393 AMAQI
12th Sep 2025394 AMAQI
26°C23/31°C
12th Sep 2025385 AMAQI
12th Sep 2025396 AMAQI
12th Sep 2025397 AMAQI
12th Sep 2025388 AMAQI
12th Sep 2025349 AMAQI
12th Sep 20253710 AMAQI
12th Sep 20254011 AMAQI
12th Sep 20253612 PMAQI
12th Sep 2025341 PMAQI
12th Sep 2025372 PMAQI
12th Sep 2025353 PMAQI
12th Sep 2025414 PMAQI
12th Sep 2025485 PMAQI
12th Sep 2025466 PMAQI
12th Sep 2025427 PMAQI
12th Sep 2025438 PMAQI
12th Sep 2025409 PMAQI
12th Sep 20253910 PMAQI
12th Sep 20253511 PMAQI
13th Sep 20253312 AMAQI
13th Sep 2025371 AMAQI
13th Sep 2025382 AMAQI
13th Sep 2025363 AMAQI
13th Sep 2025364 AMAQI
26°C24/30°C
13th Sep 2025365 AMAQI
13th Sep 2025356 AMAQI
13th Sep 2025357 AMAQI
13th Sep 2025348 AMAQI
13th Sep 2025239 AMAQI
13th Sep 20253010 AMAQI
13th Sep 20253411 AMAQI
13th Sep 20253612 PMAQI
13th Sep 2025331 PMAQI
13th Sep 2025312 PMAQI
13th Sep 2025303 PMAQI
13th Sep 2025294 PMAQI
13th Sep 2025285 PMAQI
13th Sep 2025356 PMAQI
13th Sep 2025457 PMAQI
13th Sep 2025368 PMAQI
13th Sep 2025309 PMAQI
13th Sep 20252910 PMAQI
13th Sep 20252811 PMAQI
14th Sep 20252812 AMAQI
14th Sep 2025351 AMAQI
14th Sep 2025352 AMAQI
14th Sep 2025353 AMAQI
14th Sep 2025344 AMAQI
26°C25/29°C
14th Sep 2025355 AMAQI
14th Sep 2025336 AMAQI
14th Sep 2025347 AMAQI
14th Sep 2025358 AMAQI
14th Sep 2025259 AMAQI
14th Sep 20252410 AMAQI
14th Sep 20252211 AMAQI
14th Sep 20252212 PMAQI
14th Sep 2025281 PMAQI
14th Sep 2025252 PMAQI
14th Sep 2025333 PMAQI
14th Sep 2025334 PMAQI
14th Sep 2025425 PMAQI
14th Sep 2025436 PMAQI
14th Sep 2025457 PMAQI
14th Sep 2025398 PMAQI
14th Sep 2025329 PMAQI
14th Sep 20253310 PMAQI
14th Sep 20253411 PMAQI
15th Sep 20253112 AMAQI
15th Sep 2025351 AMAQI
15th Sep 2025342 AMAQI
15th Sep 2025353 AMAQI
15th Sep 2025324 AMAQI
27°C25/31°C
15th Sep 2025315 AMAQI
15th Sep 2025326 AMAQI
15th Sep 2025327 AMAQI
15th Sep 2025328 AMAQI
15th Sep 2025439 AMAQI
15th Sep 20254810 AMAQI
15th Sep 20253511 AMAQI
15th Sep 20254612 PMAQI
15th Sep 2025451 PMAQI
15th Sep 2025212 PMAQI
15th Sep 2025233 PMAQI
15th Sep 2025194 PMAQI
15th Sep 2025195 PMAQI
15th Sep 2025216 PMAQI
15th Sep 2025177 PMAQI
15th Sep 2025218 PMAQI
15th Sep 2025279 PMAQI
15th Sep 20254110 PMAQI
15th Sep 20254511 PMAQI
16th Sep 20254312 AMAQI
16th Sep 2025301 AMAQI
16th Sep 2025332 AMAQI
16th Sep 2025333 AMAQI
16th Sep 2025334 AMAQI
27°C25/31°C
16th Sep 2025345 AMAQI
16th Sep 2025346 AMAQI
16th Sep 2025347 AMAQI
16th Sep 2025348 AMAQI
16th Sep 2025249 AMAQI
16th Sep 20251810 AMAQI
16th Sep 20252011 AMAQI
16th Sep 20251912 PMAQI
16th Sep 2025191 PMAQI
16th Sep 2025212 PMAQI
16th Sep 2025223 PMAQI
16th Sep 2025204 PMAQI
16th Sep 2025205 PMAQI
16th Sep 2025216 PMAQI
16th Sep 2025217 PMAQI
16th Sep 2025268 PMAQI
16th Sep 2025279 PMAQI
16th Sep 20252710 PMAQI
16th Sep 20252711 PMAQI
17th Sep 20252612 AMAQI
17th Sep 2025301 AMAQI
17th Sep 2025342 AMAQI
17th Sep 2025343 AMAQI
17th Sep 2025334 AMAQI
27°C25/31°C
17th Sep 2025325 AMAQI
17th Sep 2025326 AMAQI
17th Sep 2025327 AMAQI
17th Sep 2025328 AMAQI
17th Sep 2025189 AMAQI
17th Sep 20252210 AMAQI
17th Sep 20252111 AMAQI
17th Sep 20251912 PMAQI
17th Sep 2025231 PMAQI
17th Sep 2025332 PMAQI
17th Sep 2025363 PMAQI
17th Sep 2025374 PMAQI
17th Sep 2025325 PMAQI
17th Sep 2025346 PMAQI
17th Sep 2025277 PMAQI
17th Sep 2025358 PMAQI
17th Sep 2025349 PMAQI
17th Sep 20252110 PMAQI
17th Sep 20252111 PMAQI
18th Sep 20252212 AMAQI
18th Sep 2025241 AMAQI
18th Sep 2025322 AMAQI
18th Sep 2025323 AMAQI
18th Sep 2025314 AMAQI
27°C25/30°C
18th Sep 2025305 AMAQI
18th Sep 2025316 AMAQI
18th Sep 2025307 AMAQI
18th Sep 2025308 AMAQI
18th Sep 2025199 AMAQI
18th Sep 20251510 AMAQI
18th Sep 20251711 AMAQI
18th Sep 20251712 PMAQI
18th Sep 2025161 PMAQI
18th Sep 2025192 PMAQI
18th Sep 2025223 PMAQI
18th Sep 2025254 PMAQI
18th Sep 2025255 PMAQI
18th Sep 2025246 PMAQI
18th Sep 2025227 PMAQI
18th Sep 2025238 PMAQI
18th Sep 2025239 PMAQI
18th Sep 20252310 PMAQI
18th Sep 20252411 PMAQI
19th Sep 20252412 AMAQI
19th Sep 2025251 AMAQI
19th Sep 2025282 AMAQI
19th Sep 2025293 AMAQI
19th Sep 2025284 AMAQI
26°C24/29°C
19th Sep 2025275 AMAQI
5 AM19th Sep 2025276 AMAQI
19th Sep 2025277 AMAQI
19th Sep 2025278 AMAQI
19th Sep 2025209 AMAQI
19th Sep 20251810 AMAQI
19th Sep 20252011 AMAQI
11 AM19th Sep 20252112 PMAQI
19th Sep 2025231 PMAQI
6 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 AM
41AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
9 AM - 11 AM
35AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 41), while the lowest AQI was between 9 AM to 11 AM (Avg. 35).
Night time
Avg. Highest Time
1 AM - 4 AM
41AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM - 11 PM
38AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 4 AM (Avg. 41), while the lowest AQI was between 7 PM to 11 PM (Avg. 38).
2025 Days Vs Air Quality
Sato, Nagasaki, Japan
2025
81%
211
19%
50
Total number of days with different AQI categories in last 262 days in 2025 (103 days remaining)
Good
211 DaysModerate
50 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 81%
Health Risk Level:
Low
In 2025, 81% of 262 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
Sato, Nagasaki, 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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
32AQI
32AQI
2nd January 2025
43AQI
43AQI
3rd January 2025
33AQI
33AQI
4th January 2025
36AQI
36AQI
5th January 2025
32AQI
32AQI
6th January 2025
54AQI
54AQI
7th January 2025
30AQI
30AQI
8th January 2025
43AQI
43AQI
9th January 2025
29AQI
29AQI
10th January 2025
33AQI
33AQI
11th January 2025
28AQI
28AQI
12th January 2025
36AQI
36AQI
13th January 2025
38AQI
38AQI
14th January 2025
46AQI
46AQI
15th January 2025
43AQI
43AQI
16th January 2025
38AQI
38AQI
17th January 2025
50AQI
50AQI
18th January 2025
47AQI
47AQI
19th January 2025
45AQI
45AQI
20th January 2025
62AQI
62AQI
21st January 2025
73AQI
73AQI
22nd January 2025
78AQI
78AQI
23rd January 2025
65AQI
65AQI
24th January 2025
73AQI
73AQI
25th January 2025
43AQI
43AQI
26th January 2025
45AQI
45AQI
27th January 2025
41AQI
41AQI
28th January 2025
36AQI
36AQI
29th January 2025
34AQI
34AQI
30th January 2025
37AQI
37AQI
31st January 2025
43AQI
43AQI
1st February 2025
38AQI
38AQI
2nd February 2025
36AQI
36AQI
3rd February 2025
44AQI
44AQI
4th February 2025
32AQI
32AQI
5th February 2025
43AQI
43AQI
6th February 2025
32AQI
32AQI
7th February 2025
38AQI
38AQI
8th February 2025
31AQI
31AQI
9th February 2025
31AQI
31AQI
10th February 2025
31AQI
31AQI
11th February 2025
42AQI
42AQI
12th February 2025
36AQI
36AQI
13th February 2025
34AQI
34AQI
14th February 2025
39AQI
39AQI
15th February 2025
30AQI
30AQI
16th February 2025
38AQI
38AQI
17th February 2025
37AQI
37AQI
18th February 2025
34AQI
34AQI
19th February 2025
33AQI
33AQI
20th February 2025
33AQI
33AQI
21st February 2025
31AQI
31AQI
22nd February 2025
39AQI
39AQI
23rd February 2025
36AQI
36AQI
24th February 2025
37AQI
37AQI
25th February 2025
35AQI
35AQI
26th February 2025
50AQI
50AQI
27th February 2025
59AQI
59AQI
28th February 2025
60AQI
60AQI
1st March 2025
52AQI
52AQI
2nd March 2025
39AQI
39AQI
3rd March 2025
41AQI
41AQI
4th March 2025
30AQI
30AQI
5th March 2025
33AQI
33AQI
6th March 2025
31AQI
31AQI
7th March 2025
35AQI
35AQI
8th March 2025
39AQI
39AQI
9th March 2025
45AQI
45AQI
10th March 2025
48AQI
48AQI
11th March 2025
50AQI
50AQI
12th March 2025
50AQI
50AQI
13th March 2025
54AQI
54AQI
14th March 2025
40AQI
40AQI
15th March 2025
32AQI
32AQI
16th March 2025
33AQI
33AQI
17th March 2025
50AQI
50AQI
18th March 2025
48AQI
48AQI
19th March 2025
50AQI
50AQI
20th March 2025
56AQI
56AQI
21st March 2025
59AQI
59AQI
22nd March 2025
66AQI
66AQI
23rd March 2025
61AQI
61AQI
24th March 2025
53AQI
53AQI
25th March 2025
62AQI
62AQI
26th March 2025
57AQI
57AQI
27th March 2025
45AQI
45AQI
28th March 2025
60AQI
60AQI
29th March 2025
52AQI
52AQI
30th March 2025
39AQI
39AQI
31st March 2025
42AQI
42AQI
1st April 2025
41AQI
41AQI
2nd April 2025
36AQI
36AQI
3rd April 2025
37AQI
37AQI
4th April 2025
39AQI
39AQI
5th April 2025
42AQI
42AQI
6th April 2025
44AQI
44AQI
7th April 2025
42AQI
42AQI
8th April 2025
41AQI
41AQI
9th April 2025
55AQI
55AQI
10th April 2025
48AQI
48AQI
11th April 2025
60AQI
60AQI
12th April 2025
51AQI
51AQI
13th April 2025
53AQI
53AQI
14th April 2025
56AQI
56AQI
15th April 2025
37AQI
37AQI
16th April 2025
52AQI
52AQI
17th April 2025
45AQI
45AQI
18th April 2025
54AQI
54AQI
19th April 2025
45AQI
45AQI
20th April 2025
41AQI
41AQI
21st April 2025
40AQI
40AQI
22nd April 2025
31AQI
31AQI
23rd April 2025
26AQI
26AQI
24th April 2025
35AQI
35AQI
25th April 2025
49AQI
49AQI
26th April 2025
46AQI
46AQI
27th April 2025
49AQI
49AQI
28th April 2025
41AQI
41AQI
29th April 2025
50AQI
50AQI
30th April 2025
50AQI
50AQI
1st May 2025
43AQI
43AQI
2nd May 2025
42AQI
42AQI
3rd May 2025
42AQI
42AQI
4th May 2025
42AQI
42AQI
5th May 2025
43AQI
43AQI
6th May 2025
39AQI
39AQI
7th May 2025
37AQI
37AQI
8th May 2025
44AQI
44AQI
9th May 2025
34AQI
34AQI
10th May 2025
38AQI
38AQI
11th May 2025
48AQI
48AQI
12th May 2025
53AQI
53AQI
13th May 2025
57AQI
57AQI
14th May 2025
58AQI
58AQI
15th May 2025
58AQI
58AQI
16th May 2025
61AQI
61AQI
17th May 2025
39AQI
39AQI
18th May 2025
51AQI
51AQI
19th May 2025
51AQI
51AQI
20th May 2025
38AQI
38AQI
21st May 2025
29AQI
29AQI
22nd May 2025
35AQI
35AQI
23rd May 2025
42AQI
42AQI
24th May 2025
25AQI
25AQI
25th May 2025
34AQI
34AQI
26th May 2025
36AQI
36AQI
27th May 2025
44AQI
44AQI
28th May 2025
49AQI
49AQI
29th May 2025
51AQI
51AQI
30th May 2025
44AQI
44AQI
31st May 2025
42AQI
42AQI
1st June 2025
49AQI
49AQI
2nd June 2025
47AQI
47AQI
3rd June 2025
39AQI
39AQI
4th June 2025
46AQI
46AQI
5th June 2025
47AQI
47AQI
6th June 2025
45AQI
45AQI
7th June 2025
56AQI
56AQI
8th June 2025
61AQI
61AQI
9th June 2025
36AQI
36AQI
10th June 2025
32AQI
32AQI
11th June 2025
38AQI
38AQI
12th June 2025
34AQI
34AQI
13th June 2025
34AQI
34AQI
14th June 2025
30AQI
30AQI
15th June 2025
28AQI
28AQI
16th June 2025
30AQI
30AQI
17th June 2025
28AQI
28AQI
18th June 2025
33AQI
33AQI
19th June 2025
33AQI
33AQI
20th June 2025
30AQI
30AQI
21st June 2025
27AQI
27AQI
22nd June 2025
24AQI
24AQI
23rd June 2025
22AQI
22AQI
24th June 2025
22AQI
22AQI
25th June 2025
22AQI
22AQI
26th June 2025
28AQI
28AQI
27th June 2025
28AQI
28AQI
28th June 2025
27AQI
27AQI
29th June 2025
27AQI
27AQI
30th June 2025
35AQI
35AQI
1st July 2025
47AQI
47AQI
2nd July 2025
54AQI
54AQI
3rd July 2025
54AQI
54AQI
4th July 2025
61AQI
61AQI
5th July 2025
53AQI
53AQI
6th July 2025
49AQI
49AQI
7th July 2025
47AQI
47AQI
8th July 2025
53AQI
53AQI
9th July 2025
58AQI
58AQI
10th July 2025
56AQI
56AQI
11th July 2025
54AQI
54AQI
12th July 2025
50AQI
50AQI
13th July 2025
46AQI
46AQI
14th July 2025
41AQI
41AQI
15th July 2025
47AQI
47AQI
16th July 2025
49AQI
49AQI
17th July 2025
48AQI
48AQI
18th July 2025
36AQI
36AQI
19th July 2025
38AQI
38AQI
20th July 2025
34AQI
34AQI
21st July 2025
40AQI
40AQI
22nd July 2025
46AQI
46AQI
23rd July 2025
49AQI
49AQI
24th July 2025
47AQI
47AQI
25th July 2025
34AQI
34AQI
26th July 2025
31AQI
31AQI
27th July 2025
28AQI
28AQI
28th July 2025
30AQI
30AQI
29th July 2025
30AQI
30AQI
30th July 2025
36AQI
36AQI
31st July 2025
35AQI
35AQI
1st August 2025
48AQI
48AQI
2nd August 2025
53AQI
53AQI
3rd August 2025
53AQI
53AQI
4th August 2025
49AQI
49AQI
5th August 2025
47AQI
47AQI
6th August 2025
48AQI
48AQI
7th August 2025
53AQI
53AQI
8th August 2025
43AQI
43AQI
9th August 2025
40AQI
40AQI
10th August 2025
45AQI
45AQI
11th August 2025
39AQI
39AQI
12th August 2025
41AQI
41AQI
13th August 2025
44AQI
44AQI
14th August 2025
44AQI
44AQI
15th August 2025
43AQI
43AQI
16th August 2025
43AQI
43AQI
17th August 2025
44AQI
44AQI
18th August 2025
51AQI
51AQI
19th August 2025
53AQI
53AQI
20th August 2025
46AQI
46AQI
21st August 2025
46AQI
46AQI
22nd August 2025
52AQI
52AQI
23rd August 2025
46AQI
46AQI
24th August 2025
42AQI
42AQI
25th August 2025
40AQI
40AQI
26th August 2025
39AQI
39AQI
27th August 2025
44AQI
44AQI
28th August 2025
45AQI
45AQI
29th August 2025
46AQI
46AQI
30th August 2025
50AQI
50AQI
31st August 2025
49AQI
49AQI
1st September 2025
39AQI
39AQI
2nd September 2025
40AQI
40AQI
3rd September 2025
43AQI
43AQI
4th September 2025
31AQI
31AQI
5th September 2025
31AQI
31AQI
6th September 2025
36AQI
36AQI
7th September 2025
40AQI
40AQI
8th September 2025
37AQI
37AQI
9th September 2025
33AQI
33AQI
10th September 2025
35AQI
35AQI
11th September 2025
38AQI
38AQI
12th September 2025
39AQI
39AQI
13th September 2025
33AQI
33AQI
14th September 2025
34AQI
34AQI
15th September 2025
32AQI
32AQI
16th September 2025
27AQI
27AQI
17th September 2025
29AQI
29AQI
18th September 2025
26AQI
26AQI
19th September 2025
20th September 2025
21st September 2025
22nd September 2025
23rd September 2025
24th September 2025
25th September 2025
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
44AQI
38AQI
47AQI
45AQI
44AQI
35AQI
45AQI
46AQI
35AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202542AQI
25
6
26
2
20
11
23
7
23
8
28
2
23
8
25
6
18
211
50
Highest AQI recorded in
March47AQI
Lowest AQI recorded in
June35AQI
202438AQI
28
3
26
2
1
26
5
17
11
2
21
10
22
8
31
26
5
25
5
30
1
25
5
30
1
307
56
3
Highest AQI recorded in
April50AQI
Lowest AQI recorded in
July23AQI
202340AQI
23
6
2
22
6
20
11
17
13
23
8
25
5
26
5
27
4
28
2
31
23
4
26
5
291
69
2
Highest AQI recorded in
April50AQI
Lowest AQI recorded in
August33AQI
202240AQI
27
4
18
3
22
9
25
5
20
11
26
4
23
1
1
26
2
27
4
22
8
29
2
266
53
Highest AQI recorded in
May47AQI
Lowest AQI recorded in
June35AQI
202138AQI
23
8
26
2
23
6
17
4
21
10
19
11
30
1
29
2
29
1
26
5
23
7
30
1
296
58
Highest AQI recorded in
May46AQI
Lowest AQI recorded in
August30AQI
202038AQI
11
2
15
6
10
8
23
7
30
1
16
6
3
1
12
3
27
4
145
37
3
Highest AQI recorded in
May46AQI
Lowest AQI recorded in
September3AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
42AQILeast Polluted Year Recorded
2021(Avg.)
38AQISato's annual 2025 AQI (42) shows an average percentage change of 8.6% (worsened AQI) compared to previous years: 2020 (38), 2021 (38), 2022 (40), 2023 (40), 2024 (38).
