Nagisa, Minamiozuma, Nagano, 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
Nagisa, Minamiozuma, Nagano, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
6th Aug 2021
59AQILowest AQI recorded on
17th Aug 2021
17AQISame Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 43 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Nagisa, Minamiozuma, Nagano, Japan
AQI
Day
Night
.
4 AM3rd Aug 2025
7 PM
3 AM4th Aug 2025
Day time
Avg. Highest Time
12PM3rd Aug
66AQI
Avg. Lowest Time
7AM3rd Aug
40AQI
Night time
Avg. Highest Time
7PM3rd Aug
57AQI
Avg. Lowest Time
1AM4th Aug
42AQI
In the last 24 hours,
Nagisa's AQI reached its highest point of 66 at 12 PM during the Day, while the lowest point, 40, was recorded at 7 AM during the Day between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Nagisa, Minamiozuma, Nagano, Japan
JulAug
05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th
Day
Night
5th Jul 2025514 AMAQI
5th Jul 2025525 AMAQI
5th Jul 2025526 AMAQI
5th Jul 2025527 AMAQI
5th Jul 2025528 AMAQI
5th Jul 2025539 AMAQI
5th Jul 20255010 AMAQI
5th Jul 20255211 AMAQI
5th Jul 20256012 PMAQI
5th Jul 2025621 PMAQI
5th Jul 2025652 PMAQI
5th Jul 2025643 PMAQI
5th Jul 2025624 PMAQI
5th Jul 2025645 PMAQI
5th Jul 2025636 PMAQI
5th Jul 2025607 PMAQI
5th Jul 2025608 PMAQI
5th Jul 2025549 PMAQI
5th Jul 20255410 PMAQI
5th Jul 20255411 PMAQI
6th Jul 20255312 AMAQI
6th Jul 2025521 AMAQI
6th Jul 2025522 AMAQI
6th Jul 2025513 AMAQI
21°C15/30°C
6th Jul 2025524 AMAQI
6th Jul 2025525 AMAQI
6th Jul 2025526 AMAQI
6th Jul 2025537 AMAQI
6th Jul 2025528 AMAQI
6th Jul 2025549 AMAQI
6th Jul 20256110 AMAQI
6th Jul 20256211 AMAQI
6th Jul 20256012 PMAQI
6th Jul 2025561 PMAQI
6th Jul 2025532 PMAQI
6th Jul 2025483 PMAQI
6th Jul 2025514 PMAQI
6th Jul 2025525 PMAQI
6th Jul 2025526 PMAQI
6th Jul 2025547 PMAQI
6th Jul 2025548 PMAQI
6th Jul 2025549 PMAQI
6th Jul 20255410 PMAQI
6th Jul 20255411 PMAQI
7th Jul 20255412 AMAQI
7th Jul 2025531 AMAQI
7th Jul 2025532 AMAQI
7th Jul 2025533 AMAQI
23°C15/31°C
7th Jul 2025534 AMAQI
7th Jul 2025535 AMAQI
7th Jul 2025536 AMAQI
7th Jul 2025537 AMAQI
7th Jul 2025548 AMAQI
7th Jul 2025549 AMAQI
7th Jul 20255510 AMAQI
7th Jul 20255711 AMAQI
7th Jul 20255812 PMAQI
7th Jul 2025561 PMAQI
7th Jul 2025562 PMAQI
7th Jul 2025563 PMAQI
7th Jul 2025564 PMAQI
7th Jul 2025565 PMAQI
7th Jul 2025586 PMAQI
7th Jul 2025587 PMAQI
7th Jul 2025588 PMAQI
7th Jul 2025579 PMAQI
7th Jul 20255810 PMAQI
7th Jul 20255811 PMAQI
8th Jul 20255912 AMAQI
8th Jul 2025571 AMAQI
8th Jul 2025552 AMAQI
8th Jul 2025543 AMAQI
23°C17/32°C
8th Jul 2025554 AMAQI
8th Jul 2025555 AMAQI
8th Jul 2025556 AMAQI
8th Jul 2025557 AMAQI
8th Jul 2025558 AMAQI
8th Jul 2025609 AMAQI
8th Jul 20256210 AMAQI
8th Jul 20256611 AMAQI
8th Jul 20256812 PMAQI
8th Jul 2025621 PMAQI
8th Jul 2025602 PMAQI
8th Jul 2025603 PMAQI
8th Jul 2025624 PMAQI
8th Jul 2025625 PMAQI
8th Jul 2025616 PMAQI
8th Jul 2025587 PMAQI
8th Jul 2025588 PMAQI
8th Jul 2025599 PMAQI
8th Jul 20255910 PMAQI
8th Jul 20256011 PMAQI
9th Jul 20256012 AMAQI
9th Jul 2025591 AMAQI
9th Jul 2025572 AMAQI
9th Jul 2025573 AMAQI
24°C18/30°C
9th Jul 2025574 AMAQI
9th Jul 2025585 AMAQI
9th Jul 2025586 AMAQI
9th Jul 2025587 AMAQI
9th Jul 2025588 AMAQI
9th Jul 2025669 AMAQI
9th Jul 20256810 AMAQI
9th Jul 20256211 AMAQI
9th Jul 20256212 PMAQI
9th Jul 2025581 PMAQI
9th Jul 2025612 PMAQI
9th Jul 2025593 PMAQI
9th Jul 2025564 PMAQI
9th Jul 2025615 PMAQI
9th Jul 2025636 PMAQI
9th Jul 2025627 PMAQI
9th Jul 2025568 PMAQI
9th Jul 2025579 PMAQI
9th Jul 20255710 PMAQI
9th Jul 20255611 PMAQI
10th Jul 20255612 AMAQI
10th Jul 2025571 AMAQI
10th Jul 2025592 AMAQI
10th Jul 2025603 AMAQI
23°C17/31°C
10th Jul 2025604 AMAQI
10th Jul 2025605 AMAQI
10th Jul 2025606 AMAQI
10th Jul 2025607 AMAQI
10th Jul 2025608 AMAQI
10th Jul 2025479 AMAQI
10th Jul 20255110 AMAQI
10th Jul 20255711 AMAQI
10th Jul 20256212 PMAQI
10th Jul 2025631 PMAQI
10th Jul 2025622 PMAQI
10th Jul 2025613 PMAQI
10th Jul 2025604 PMAQI
10th Jul 2025565 PMAQI
10th Jul 2025546 PMAQI
10th Jul 2025527 PMAQI
10th Jul 2025548 PMAQI
10th Jul 2025559 PMAQI
10th Jul 20255410 PMAQI
10th Jul 20255511 PMAQI
11th Jul 20255412 AMAQI
11th Jul 2025571 AMAQI
11th Jul 2025582 AMAQI
11th Jul 2025583 AMAQI
22°C16/31°C
11th Jul 2025604 AMAQI
11th Jul 2025605 AMAQI
11th Jul 2025606 AMAQI
11th Jul 2025607 AMAQI
11th Jul 2025608 AMAQI
11th Jul 2025309 AMAQI
11th Jul 20252210 AMAQI
11th Jul 20252111 AMAQI
11th Jul 20252512 PMAQI
11th Jul 2025391 PMAQI
11th Jul 2025392 PMAQI
11th Jul 2025423 PMAQI
11th Jul 2025424 PMAQI
11th Jul 2025425 PMAQI
11th Jul 2025426 PMAQI
11th Jul 2025407 PMAQI
11th Jul 2025468 PMAQI
11th Jul 2025539 PMAQI
11th Jul 20255310 PMAQI
11th Jul 20255411 PMAQI
12th Jul 20255312 AMAQI
12th Jul 2025551 AMAQI
12th Jul 2025572 AMAQI
12th Jul 2025583 AMAQI
22°C15/29°C
12th Jul 2025564 AMAQI
12th Jul 2025555 AMAQI
12th Jul 2025556 AMAQI
12th Jul 2025557 AMAQI
12th Jul 2025558 AMAQI
12th Jul 2025289 AMAQI
12th Jul 20252310 AMAQI
12th Jul 20253211 AMAQI
12th Jul 20253412 PMAQI
12th Jul 2025411 PMAQI
12th Jul 2025422 PMAQI
12th Jul 2025423 PMAQI
12th Jul 2025434 PMAQI
12th Jul 2025425 PMAQI
12th Jul 2025416 PMAQI
12th Jul 2025457 PMAQI
12th Jul 2025468 PMAQI
12th Jul 2025529 PMAQI
12th Jul 20255210 PMAQI
12th Jul 20255211 PMAQI
13th Jul 20255212 AMAQI
13th Jul 2025541 AMAQI
13th Jul 2025552 AMAQI
13th Jul 2025553 AMAQI
23°C17/30°C
13th Jul 2025544 AMAQI
13th Jul 2025535 AMAQI
13th Jul 2025536 AMAQI
13th Jul 2025547 AMAQI
13th Jul 2025538 AMAQI
13th Jul 2025459 AMAQI
13th Jul 20253610 AMAQI
13th Jul 20253411 AMAQI
13th Jul 20253512 PMAQI
13th Jul 2025411 PMAQI
13th Jul 2025412 PMAQI
13th Jul 2025403 PMAQI
13th Jul 2025444 PMAQI
13th Jul 2025425 PMAQI
13th Jul 2025446 PMAQI
13th Jul 2025447 PMAQI
13th Jul 2025478 PMAQI
13th Jul 2025539 PMAQI
13th Jul 20255210 PMAQI
13th Jul 20255311 PMAQI
14th Jul 20255212 AMAQI
14th Jul 2025541 AMAQI
14th Jul 2025542 AMAQI
14th Jul 2025543 AMAQI
23°C16/32°C
14th Jul 2025544 AMAQI
14th Jul 2025525 AMAQI
14th Jul 2025536 AMAQI
14th Jul 2025537 AMAQI
14th Jul 2025538 AMAQI
14th Jul 2025429 AMAQI
14th Jul 20254210 AMAQI
14th Jul 20254011 AMAQI
14th Jul 20253512 PMAQI
14th Jul 2025391 PMAQI
14th Jul 2025382 PMAQI
14th Jul 2025403 PMAQI
14th Jul 2025404 PMAQI
14th Jul 2025415 PMAQI
14th Jul 2025366 PMAQI
14th Jul 2025327 PMAQI
14th Jul 2025338 PMAQI
14th Jul 2025509 PMAQI
14th Jul 20255010 PMAQI
14th Jul 20255011 PMAQI
15th Jul 20255012 AMAQI
15th Jul 2025521 AMAQI
15th Jul 2025522 AMAQI
15th Jul 2025533 AMAQI
23°C16/31°C
15th Jul 2025534 AMAQI
15th Jul 2025525 AMAQI
15th Jul 2025526 AMAQI
15th Jul 2025527 AMAQI
15th Jul 2025528 AMAQI
15th Jul 2025249 AMAQI
15th Jul 20251310 AMAQI
15th Jul 20251511 AMAQI
15th Jul 20251612 PMAQI
15th Jul 2025281 PMAQI
15th Jul 2025292 PMAQI
15th Jul 2025293 PMAQI
15th Jul 2025284 PMAQI
15th Jul 2025265 PMAQI
15th Jul 2025266 PMAQI
15th Jul 2025267 PMAQI
15th Jul 2025328 PMAQI
15th Jul 2025479 PMAQI
15th Jul 20254810 PMAQI
15th Jul 20255011 PMAQI
16th Jul 20254812 AMAQI
16th Jul 2025491 AMAQI
16th Jul 2025512 AMAQI
16th Jul 2025523 AMAQI
21°C15/28°C
16th Jul 2025514 AMAQI
16th Jul 2025485 AMAQI
16th Jul 2025496 AMAQI
16th Jul 2025507 AMAQI
16th Jul 2025508 AMAQI
16th Jul 2025509 AMAQI
16th Jul 20254610 AMAQI
16th Jul 20254811 AMAQI
16th Jul 20254512 PMAQI
16th Jul 2025471 PMAQI
16th Jul 2025482 PMAQI
16th Jul 2025463 PMAQI
16th Jul 2025454 PMAQI
16th Jul 2025425 PMAQI
16th Jul 2025426 PMAQI
16th Jul 2025407 PMAQI
16th Jul 2025368 PMAQI
16th Jul 2025449 PMAQI
16th Jul 20254410 PMAQI
16th Jul 20254311 PMAQI
17th Jul 20254412 AMAQI
17th Jul 2025431 AMAQI
17th Jul 2025472 AMAQI
17th Jul 2025493 AMAQI
21°C14/30°C
17th Jul 2025494 AMAQI
17th Jul 2025505 AMAQI
17th Jul 2025506 AMAQI
17th Jul 2025497 AMAQI
17th Jul 2025508 AMAQI
17th Jul 2025249 AMAQI
17th Jul 20251810 AMAQI
17th Jul 20251511 AMAQI
17th Jul 20251612 PMAQI
17th Jul 2025241 PMAQI
17th Jul 2025242 PMAQI
17th Jul 2025243 PMAQI
17th Jul 2025264 PMAQI
17th Jul 2025285 PMAQI
17th Jul 2025316 PMAQI
17th Jul 2025337 PMAQI
17th Jul 2025368 PMAQI
17th Jul 2025439 PMAQI
17th Jul 20254310 PMAQI
17th Jul 20254211 PMAQI
18th Jul 20254312 AMAQI
18th Jul 2025441 AMAQI
18th Jul 2025462 AMAQI
18th Jul 2025473 AMAQI
19°C15/23°C
18th Jul 2025464 AMAQI
18th Jul 2025445 AMAQI
18th Jul 2025446 AMAQI
18th Jul 2025447 AMAQI
18th Jul 2025438 AMAQI
18th Jul 2025279 AMAQI
18th Jul 20251910 AMAQI
18th Jul 20252011 AMAQI
18th Jul 20252012 PMAQI
18th Jul 2025291 PMAQI
18th Jul 2025302 PMAQI
18th Jul 2025303 PMAQI
18th Jul 2025314 PMAQI
18th Jul 2025355 PMAQI
18th Jul 2025336 PMAQI
18th Jul 2025317 PMAQI
18th Jul 2025368 PMAQI
18th Jul 2025419 PMAQI
18th Jul 20254110 PMAQI
18th Jul 20254211 PMAQI
19th Jul 20254212 AMAQI
19th Jul 2025431 AMAQI
19th Jul 2025442 AMAQI
19th Jul 2025443 AMAQI
21°C13/31°C
19th Jul 2025434 AMAQI
19th Jul 2025435 AMAQI
19th Jul 2025426 AMAQI
19th Jul 2025427 AMAQI
19th Jul 2025428 AMAQI
19th Jul 2025309 AMAQI
19th Jul 20253010 AMAQI
19th Jul 20252411 AMAQI
19th Jul 20252212 PMAQI
19th Jul 2025291 PMAQI
19th Jul 2025302 PMAQI
19th Jul 2025293 PMAQI
19th Jul 2025304 PMAQI
19th Jul 2025295 PMAQI
19th Jul 2025316 PMAQI
19th Jul 2025297 PMAQI
19th Jul 2025358 PMAQI
19th Jul 2025399 PMAQI
19th Jul 20253910 PMAQI
19th Jul 20253911 PMAQI
20th Jul 20254012 AMAQI
20th Jul 2025401 AMAQI
20th Jul 2025432 AMAQI
20th Jul 2025433 AMAQI
22°C15/31°C
20th Jul 2025424 AMAQI
20th Jul 2025425 AMAQI
20th Jul 2025426 AMAQI
20th Jul 2025427 AMAQI
20th Jul 2025428 AMAQI
20th Jul 2025359 AMAQI
20th Jul 20252910 AMAQI
20th Jul 20252911 AMAQI
20th Jul 20252912 PMAQI
20th Jul 2025321 PMAQI
20th Jul 2025302 PMAQI
20th Jul 2025323 PMAQI
20th Jul 2025304 PMAQI
20th Jul 2025305 PMAQI
20th Jul 2025336 PMAQI
20th Jul 2025337 PMAQI
20th Jul 2025368 PMAQI
20th Jul 2025399 PMAQI
20th Jul 20254010 PMAQI
20th Jul 20253811 PMAQI
21st Jul 20253812 AMAQI
21st Jul 2025401 AMAQI
21st Jul 2025412 AMAQI
21st Jul 2025413 AMAQI
23°C15/33°C
21st Jul 2025414 AMAQI
21st Jul 2025395 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025397 AMAQI
21st Jul 2025388 AMAQI
21st Jul 2025399 AMAQI
21st Jul 20254210 AMAQI
21st Jul 20254211 AMAQI
21st Jul 20254012 PMAQI
21st Jul 2025371 PMAQI
21st Jul 2025362 PMAQI
21st Jul 2025363 PMAQI
21st Jul 2025364 PMAQI
21st Jul 2025385 PMAQI
21st Jul 2025386 PMAQI
21st Jul 2025357 PMAQI
21st Jul 2025348 PMAQI
21st Jul 2025379 PMAQI
21st Jul 20253610 PMAQI
21st Jul 20253711 PMAQI
22nd Jul 20253712 AMAQI
22nd Jul 2025371 AMAQI
22nd Jul 2025382 AMAQI
22nd Jul 2025393 AMAQI
23°C16/33°C
22nd Jul 2025394 AMAQI
22nd Jul 2025395 AMAQI
22nd Jul 2025396 AMAQI
22nd Jul 2025397 AMAQI
22nd Jul 2025408 AMAQI
22nd Jul 2025419 AMAQI
22nd Jul 20254910 AMAQI
22nd Jul 20255011 AMAQI
22nd Jul 20254812 PMAQI
22nd Jul 2025451 PMAQI
22nd Jul 2025442 PMAQI
22nd Jul 2025403 PMAQI
22nd Jul 2025424 PMAQI
22nd Jul 2025425 PMAQI
22nd Jul 2025386 PMAQI
22nd Jul 2025407 PMAQI
22nd Jul 2025398 PMAQI
22nd Jul 2025409 PMAQI
22nd Jul 20253910 PMAQI
22nd Jul 20253711 PMAQI
23rd Jul 20253812 AMAQI
23rd Jul 2025381 AMAQI
23rd Jul 2025382 AMAQI
23rd Jul 2025383 AMAQI
23°C16/32°C
23rd Jul 2025384 AMAQI
23rd Jul 2025395 AMAQI
23rd Jul 2025396 AMAQI
23rd Jul 2025407 AMAQI
23rd Jul 2025398 AMAQI
23rd Jul 2025489 AMAQI
23rd Jul 20255310 AMAQI
23rd Jul 20255511 AMAQI
23rd Jul 20255512 PMAQI
23rd Jul 2025551 PMAQI
23rd Jul 2025482 PMAQI
23rd Jul 2025483 PMAQI
23rd Jul 2025484 PMAQI
23rd Jul 2025465 PMAQI
23rd Jul 2025476 PMAQI
23rd Jul 2025407 PMAQI
23rd Jul 2025348 PMAQI
23rd Jul 2025389 PMAQI
23rd Jul 20253810 PMAQI
23rd Jul 20253711 PMAQI
24th Jul 20253812 AMAQI
24th Jul 2025381 AMAQI
24th Jul 2025402 AMAQI
24th Jul 2025403 AMAQI
23°C15/32°C
24th Jul 2025404 AMAQI
24th Jul 2025425 AMAQI
24th Jul 2025426 AMAQI
24th Jul 2025417 AMAQI
24th Jul 2025418 AMAQI
24th Jul 2025369 AMAQI
24th Jul 20254310 AMAQI
24th Jul 20255211 AMAQI
24th Jul 20255412 PMAQI
24th Jul 2025521 PMAQI
24th Jul 2025492 PMAQI
24th Jul 2025463 PMAQI
24th Jul 2025474 PMAQI
24th Jul 2025465 PMAQI
24th Jul 2025406 PMAQI
24th Jul 2025407 PMAQI
24th Jul 2025408 PMAQI
24th Jul 2025389 PMAQI
24th Jul 20253810 PMAQI
24th Jul 20253711 PMAQI
25th Jul 20253812 AMAQI
25th Jul 2025391 AMAQI
25th Jul 2025402 AMAQI
25th Jul 2025393 AMAQI
22°C15/32°C
25th Jul 2025404 AMAQI
25th Jul 2025425 AMAQI
25th Jul 2025436 AMAQI
25th Jul 2025427 AMAQI
25th Jul 2025428 AMAQI
25th Jul 2025389 AMAQI
25th Jul 20253710 AMAQI
25th Jul 20253611 AMAQI
25th Jul 20253712 PMAQI
25th Jul 2025371 PMAQI
25th Jul 2025402 PMAQI
25th Jul 2025413 PMAQI
25th Jul 2025424 PMAQI
25th Jul 2025425 PMAQI
25th Jul 2025376 PMAQI
25th Jul 2025347 PMAQI
25th Jul 2025348 PMAQI
25th Jul 2025379 PMAQI
25th Jul 20253510 PMAQI
25th Jul 20253711 PMAQI
26th Jul 20253812 AMAQI
26th Jul 2025381 AMAQI
26th Jul 2025382 AMAQI
26th Jul 2025403 AMAQI
22°C15/32°C
26th Jul 2025394 AMAQI
26th Jul 2025415 AMAQI
26th Jul 2025416 AMAQI
26th Jul 2025407 AMAQI
26th Jul 2025408 AMAQI
26th Jul 2025429 AMAQI
26th Jul 20254410 AMAQI
26th Jul 20254011 AMAQI
26th Jul 20253612 PMAQI
26th Jul 2025401 PMAQI
26th Jul 2025402 PMAQI
26th Jul 2025403 PMAQI
26th Jul 2025454 PMAQI
26th Jul 2025425 PMAQI
26th Jul 2025366 PMAQI
26th Jul 2025317 PMAQI
26th Jul 2025328 PMAQI
26th Jul 2025389 PMAQI
26th Jul 20253810 PMAQI
26th Jul 20253611 PMAQI
27th Jul 20253712 AMAQI
27th Jul 2025381 AMAQI
27th Jul 2025402 AMAQI
27th Jul 2025403 AMAQI
22°C15/33°C
27th Jul 2025404 AMAQI
27th Jul 2025405 AMAQI
27th Jul 2025426 AMAQI
27th Jul 2025417 AMAQI
27th Jul 2025418 AMAQI
27th Jul 2025359 AMAQI
27th Jul 20253110 AMAQI
27th Jul 20253111 AMAQI
27th Jul 20253212 PMAQI
27th Jul 2025341 PMAQI
27th Jul 2025352 PMAQI
27th Jul 2025363 PMAQI
27th Jul 2025364 PMAQI
27th Jul 2025395 PMAQI
27th Jul 2025386 PMAQI
27th Jul 2025407 PMAQI
27th Jul 2025388 PMAQI
27th Jul 2025389 PMAQI
27th Jul 20253810 PMAQI
27th Jul 20253811 PMAQI
28th Jul 20253712 AMAQI
28th Jul 2025391 AMAQI
28th Jul 2025392 AMAQI
28th Jul 2025403 AMAQI
23°C15/32°C
28th Jul 2025394 AMAQI
28th Jul 2025395 AMAQI
28th Jul 2025406 AMAQI
28th Jul 2025397 AMAQI
28th Jul 2025408 AMAQI
28th Jul 2025349 AMAQI
28th Jul 20253910 AMAQI
28th Jul 20254411 AMAQI
28th Jul 20254612 PMAQI
28th Jul 2025401 PMAQI
28th Jul 2025392 PMAQI
28th Jul 2025383 PMAQI
28th Jul 2025374 PMAQI
28th Jul 2025385 PMAQI
28th Jul 2025396 PMAQI
28th Jul 2025447 PMAQI
28th Jul 2025468 PMAQI
28th Jul 2025429 PMAQI
28th Jul 20254210 PMAQI
28th Jul 20253911 PMAQI
29th Jul 20254012 AMAQI
29th Jul 2025401 AMAQI
29th Jul 2025402 AMAQI
29th Jul 2025393 AMAQI
23°C16/32°C
29th Jul 2025404 AMAQI
29th Jul 2025405 AMAQI
29th Jul 2025416 AMAQI
29th Jul 2025417 AMAQI
29th Jul 2025408 AMAQI
29th Jul 2025519 AMAQI
29th Jul 20255810 AMAQI
29th Jul 20255811 AMAQI
29th Jul 20255812 PMAQI
29th Jul 2025551 PMAQI
29th Jul 2025542 PMAQI
29th Jul 2025563 PMAQI
29th Jul 2025564 PMAQI
29th Jul 2025565 PMAQI
29th Jul 2025566 PMAQI
29th Jul 2025557 PMAQI
29th Jul 2025528 PMAQI
29th Jul 2025439 PMAQI
29th Jul 20254010 PMAQI
29th Jul 20254011 PMAQI
30th Jul 20254012 AMAQI
30th Jul 2025411 AMAQI
30th Jul 2025412 AMAQI
30th Jul 2025423 AMAQI
24°C16/34°C
30th Jul 2025424 AMAQI
30th Jul 2025435 AMAQI
30th Jul 2025436 AMAQI
30th Jul 2025427 AMAQI
30th Jul 2025438 AMAQI
30th Jul 2025569 AMAQI
30th Jul 20255810 AMAQI
30th Jul 20256011 AMAQI
30th Jul 20255712 PMAQI
30th Jul 2025541 PMAQI
30th Jul 2025522 PMAQI
30th Jul 2025503 PMAQI
30th Jul 2025494 PMAQI
30th Jul 2025495 PMAQI
30th Jul 2025496 PMAQI
30th Jul 2025507 PMAQI
30th Jul 2025468 PMAQI
30th Jul 2025429 PMAQI
30th Jul 20254210 PMAQI
30th Jul 20254211 PMAQI
31st Jul 20254112 AMAQI
31st Jul 2025421 AMAQI
31st Jul 2025432 AMAQI
31st Jul 2025423 AMAQI
24°C16/33°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 20254311 AMAQI
31st Jul 20254412 PMAQI
31st Jul 2025411 PMAQI
31st Jul 2025412 PMAQI
31st Jul 2025443 PMAQI
31st Jul 2025374 PMAQI
31st Jul 2025395 PMAQI
31st Jul 2025366 PMAQI
31st Jul 2025387 PMAQI
31st Jul 2025448 PMAQI
31st Jul 2025489 PMAQI
31st Jul 20253710 PMAQI
31st Jul 20254411 PMAQI
1st Aug 20253412 AMAQI
1st Aug 2025361 AMAQI
1st Aug 2025352 AMAQI
1st Aug 2025383 AMAQI
23°C15/33°C
1st Aug 2025364 AMAQI
1st Aug 2025375 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025357 AMAQI
1st Aug 2025388 AMAQI
1st Aug 2025569 AMAQI
1st Aug 20255210 AMAQI
1st Aug 20255411 AMAQI
1st Aug 20255012 PMAQI
1st Aug 2025591 PMAQI
1st Aug 2025462 PMAQI
1st Aug 2025403 PMAQI
1st Aug 2025484 PMAQI
1st Aug 2025505 PMAQI
1st Aug 2025566 PMAQI
1st Aug 2025497 PMAQI
1st Aug 2025468 PMAQI
1st Aug 2025429 PMAQI
1st Aug 20254010 PMAQI
1st Aug 20253411 PMAQI
2nd Aug 20254012 AMAQI
2nd Aug 2025411 AMAQI
2nd Aug 2025452 AMAQI
2nd Aug 2025413 AMAQI
22°C14/31°C
2nd Aug 2025394 AMAQI
2nd Aug 2025405 AMAQI
2nd Aug 2025416 AMAQI
2nd Aug 2025407 AMAQI
2nd Aug 2025418 AMAQI
2nd Aug 2025579 AMAQI
2nd Aug 20254810 AMAQI
2nd Aug 20255411 AMAQI
2nd Aug 20254812 PMAQI
2nd Aug 2025561 PMAQI
2nd Aug 2025562 PMAQI
2nd Aug 2025623 PMAQI
2nd Aug 2025524 PMAQI
2nd Aug 2025555 PMAQI
2nd Aug 2025566 PMAQI
2nd Aug 2025527 PMAQI
2nd Aug 2025508 PMAQI
2nd Aug 2025449 PMAQI
2nd Aug 20254610 PMAQI
2nd Aug 20254111 PMAQI
3rd Aug 20253812 AMAQI
3rd Aug 2025391 AMAQI
3rd Aug 2025422 AMAQI
3rd Aug 2025393 AMAQI
24°C17/33°C
3rd Aug 2025424 AMAQI
3rd Aug 2025465 AMAQI
3rd Aug 2025436 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025458 AMAQI
3rd Aug 2025469 AMAQI
3rd Aug 20255410 AMAQI
3rd Aug 20255111 AMAQI
3rd Aug 20256612 PMAQI
3rd Aug 2025601 PMAQI
3rd Aug 2025652 PMAQI
3rd Aug 2025523 PMAQI
3rd Aug 2025594 PMAQI
3rd Aug 2025585 PMAQI
3rd Aug 2025606 PMAQI
3rd Aug 2025577 PMAQI
3rd Aug 2025578 PMAQI
3rd Aug 2025449 PMAQI
3rd Aug 20254710 PMAQI
3rd Aug 20254811 PMAQI
4th Aug 20254212 AMAQI
4th Aug 2025421 AMAQI
4th Aug 2025432 AMAQI
4th Aug 2025453 AMAQI
24°C17/34°C
4th Aug 2025474 AMAQI
4 AM4th Aug 2025495 AMAQI
4th Aug 2025516 AMAQI
4th Aug 2025497 AMAQI
4th Aug 2025498 AMAQI
4th Aug 2025569 AMAQI
4th Aug 20256110 AMAQI
4th Aug 20256711 AMAQI
11 AM4th Aug 20257212 PMAQI
4th Aug 2025681 PMAQI
4th Aug 2025782 PMAQI
4th Aug 2025743 PMAQI
4th Aug 2025904 PMAQI
7 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
47AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
9 AM - 7 PM
45AQI
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. 47), while the lowest AQI was between 9 AM to 7 PM (Avg. 45).
Night time
Avg. Highest Time
12 AM - 3 AM
46AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
8 PM - 11 PM
45AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 46), while the lowest AQI was between 8 PM to 11 PM (Avg. 45).
2025 Days Vs Air Quality
Nagisa, Minamiozuma, Nagano, Japan
2025
85%
183
15%
32
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Good
183 DaysModerate
32 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2025, 85% of 216 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
Nagisa, Minamiozuma, Nagano, 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
32AQI
32AQI
2nd January 2025
32AQI
32AQI
3rd January 2025
28AQI
28AQI
4th January 2025
29AQI
29AQI
5th January 2025
32AQI
32AQI
6th January 2025
34AQI
34AQI
7th January 2025
31AQI
31AQI
8th January 2025
28AQI
28AQI
9th January 2025
28AQI
28AQI
10th January 2025
26AQI
26AQI
11th January 2025
31AQI
31AQI
12th January 2025
34AQI
34AQI
13th January 2025
35AQI
35AQI
14th January 2025
35AQI
35AQI
15th January 2025
31AQI
31AQI
16th January 2025
30AQI
30AQI
17th January 2025
29AQI
29AQI
18th January 2025
35AQI
35AQI
19th January 2025
34AQI
34AQI
20th January 2025
42AQI
42AQI
21st January 2025
46AQI
46AQI
22nd January 2025
50AQI
50AQI
23rd January 2025
55AQI
55AQI
24th January 2025
52AQI
52AQI
25th January 2025
41AQI
41AQI
26th January 2025
37AQI
37AQI
27th January 2025
34AQI
34AQI
28th January 2025
32AQI
32AQI
29th January 2025
32AQI
32AQI
30th January 2025
32AQI
32AQI
31st January 2025
34AQI
34AQI
1st February 2025
45AQI
45AQI
2nd February 2025
40AQI
40AQI
3rd February 2025
39AQI
39AQI
4th February 2025
34AQI
34AQI
5th February 2025
33AQI
33AQI
6th February 2025
30AQI
30AQI
7th February 2025
33AQI
33AQI
8th February 2025
30AQI
30AQI
9th February 2025
30AQI
30AQI
10th February 2025
31AQI
31AQI
11th February 2025
31AQI
31AQI
12th February 2025
30AQI
30AQI
13th February 2025
31AQI
31AQI
14th February 2025
35AQI
35AQI
15th February 2025
31AQI
31AQI
16th February 2025
47AQI
47AQI
17th February 2025
45AQI
45AQI
18th February 2025
39AQI
39AQI
19th February 2025
36AQI
36AQI
20th February 2025
31AQI
31AQI
21st February 2025
31AQI
31AQI
22nd February 2025
32AQI
32AQI
23rd February 2025
34AQI
34AQI
24th February 2025
33AQI
33AQI
25th February 2025
36AQI
36AQI
26th February 2025
36AQI
36AQI
27th February 2025
48AQI
48AQI
28th February 2025
45AQI
45AQI
1st March 2025
54AQI
54AQI
2nd March 2025
47AQI
47AQI
3rd March 2025
40AQI
40AQI
4th March 2025
37AQI
37AQI
5th March 2025
38AQI
38AQI
6th March 2025
36AQI
36AQI
7th March 2025
36AQI
36AQI
8th March 2025
40AQI
40AQI
9th March 2025
36AQI
36AQI
10th March 2025
42AQI
42AQI
11th March 2025
34AQI
34AQI
12th March 2025
35AQI
35AQI
13th March 2025
45AQI
45AQI
14th March 2025
46AQI
46AQI
15th March 2025
46AQI
46AQI
16th March 2025
31AQI
31AQI
17th March 2025
30AQI
30AQI
18th March 2025
30AQI
30AQI
19th March 2025
24AQI
24AQI
20th March 2025
30AQI
30AQI
21st March 2025
45AQI
45AQI
22nd March 2025
50AQI
50AQI
23rd March 2025
61AQI
61AQI
24th March 2025
62AQI
62AQI
25th March 2025
78AQI
78AQI
26th March 2025
88AQI
88AQI
27th March 2025
75AQI
75AQI
28th March 2025
45AQI
45AQI
29th March 2025
41AQI
41AQI
30th March 2025
39AQI
39AQI
31st March 2025
35AQI
35AQI
1st April 2025
35AQI
35AQI
2nd April 2025
26AQI
26AQI
3rd April 2025
24AQI
24AQI
4th April 2025
24AQI
24AQI
5th April 2025
33AQI
33AQI
6th April 2025
27AQI
27AQI
7th April 2025
37AQI
37AQI
8th April 2025
42AQI
42AQI
9th April 2025
31AQI
31AQI
10th April 2025
44AQI
44AQI
11th April 2025
39AQI
39AQI
12th April 2025
46AQI
46AQI
13th April 2025
27AQI
27AQI
14th April 2025
30AQI
30AQI
15th April 2025
22AQI
22AQI
16th April 2025
28AQI
28AQI
17th April 2025
49AQI
49AQI
18th April 2025
52AQI
52AQI
19th April 2025
70AQI
70AQI
20th April 2025
56AQI
56AQI
21st April 2025
46AQI
46AQI
22nd April 2025
49AQI
49AQI
23rd April 2025
29AQI
29AQI
24th April 2025
29AQI
29AQI
25th April 2025
36AQI
36AQI
26th April 2025
45AQI
45AQI
27th April 2025
46AQI
46AQI
28th April 2025
47AQI
47AQI
29th April 2025
40AQI
40AQI
30th April 2025
55AQI
55AQI
1st May 2025
47AQI
47AQI
2nd May 2025
35AQI
35AQI
3rd May 2025
38AQI
38AQI
4th May 2025
36AQI
36AQI
5th May 2025
40AQI
40AQI
6th May 2025
30AQI
30AQI
7th May 2025
30AQI
30AQI
8th May 2025
33AQI
33AQI
9th May 2025
32AQI
32AQI
10th May 2025
26AQI
26AQI
11th May 2025
24AQI
24AQI
12th May 2025
26AQI
26AQI
13th May 2025
39AQI
39AQI
14th May 2025
46AQI
46AQI
15th May 2025
48AQI
48AQI
16th May 2025
52AQI
52AQI
17th May 2025
35AQI
35AQI
18th May 2025
43AQI
43AQI
19th May 2025
43AQI
43AQI
20th May 2025
62AQI
62AQI
21st May 2025
63AQI
63AQI
22nd May 2025
57AQI
57AQI
23rd May 2025
56AQI
56AQI
24th May 2025
52AQI
52AQI
25th May 2025
30AQI
30AQI
26th May 2025
33AQI
33AQI
27th May 2025
34AQI
34AQI
28th May 2025
31AQI
31AQI
29th May 2025
38AQI
38AQI
30th May 2025
27AQI
27AQI
31st May 2025
23AQI
23AQI
1st June 2025
21AQI
21AQI
2nd June 2025
34AQI
34AQI
3rd June 2025
25AQI
25AQI
4th June 2025
31AQI
31AQI
5th June 2025
36AQI
36AQI
6th June 2025
42AQI
42AQI
7th June 2025
45AQI
45AQI
8th June 2025
56AQI
56AQI
9th June 2025
58AQI
58AQI
10th June 2025
39AQI
39AQI
11th June 2025
33AQI
33AQI
12th June 2025
41AQI
41AQI
13th June 2025
47AQI
47AQI
14th June 2025
39AQI
39AQI
15th June 2025
28AQI
28AQI
16th June 2025
28AQI
28AQI
17th June 2025
35AQI
35AQI
18th June 2025
43AQI
43AQI
19th June 2025
49AQI
49AQI
20th June 2025
53AQI
53AQI
21st June 2025
52AQI
52AQI
22nd June 2025
53AQI
53AQI
23rd June 2025
44AQI
44AQI
24th June 2025
42AQI
42AQI
25th June 2025
42AQI
42AQI
26th June 2025
39AQI
39AQI
27th June 2025
41AQI
41AQI
28th June 2025
44AQI
44AQI
29th June 2025
47AQI
47AQI
30th June 2025
51AQI
51AQI
1st July 2025
54AQI
54AQI
2nd July 2025
48AQI
48AQI
3rd July 2025
47AQI
47AQI
4th July 2025
51AQI
51AQI
5th July 2025
55AQI
55AQI
6th July 2025
53AQI
53AQI
7th July 2025
55AQI
55AQI
8th July 2025
59AQI
59AQI
9th July 2025
59AQI
59AQI
10th July 2025
57AQI
57AQI
11th July 2025
49AQI
49AQI
12th July 2025
48AQI
48AQI
13th July 2025
49AQI
49AQI
14th July 2025
47AQI
47AQI
15th July 2025
41AQI
41AQI
16th July 2025
47AQI
47AQI
17th July 2025
38AQI
38AQI
18th July 2025
38AQI
38AQI
19th July 2025
37AQI
37AQI
20th July 2025
37AQI
37AQI
21st July 2025
38AQI
38AQI
22nd July 2025
40AQI
40AQI
23rd July 2025
42AQI
42AQI
24th July 2025
41AQI
41AQI
25th July 2025
38AQI
38AQI
26th July 2025
39AQI
39AQI
27th July 2025
38AQI
38AQI
28th July 2025
39AQI
39AQI
29th July 2025
46AQI
46AQI
30th July 2025
45AQI
45AQI
31st July 2025
42AQI
42AQI
1st August 2025
43AQI
43AQI
2nd August 2025
47AQI
47AQI
3rd August 2025
43AQI
43AQI
35AQI
36AQI
44AQI
39AQI
39AQI
41AQI
46AQI
44AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202540AQI
29
2
28
25
6
26
4
25
6
24
6
23
8
3
183
32
Highest AQI recorded in
July46AQI
Lowest AQI recorded in
January35AQI
202437AQI
31
29
26
5
16
14
30
1
22
8
28
3
29
2
25
5
31
27
3
31
325
41
Highest AQI recorded in
April50AQI
Lowest AQI recorded in
December30AQI
202341AQI
28
3
27
1
21
10
20
10
24
7
27
3
17
14
21
10
27
3
31
26
3
27
4
296
68
Highest AQI recorded in
July50AQI
Lowest AQI recorded in
October31AQI
202240AQI
30
21
25
6
22
8
23
8
21
9
17
7
1
21
7
27
4
25
5
30
1
263
55
Highest AQI recorded in
May45AQI
Lowest AQI recorded in
August24AQI
202134AQI
31
25
3
29
1
21
2
30
1
23
7
23
8
27
4
30
30
1
25
5
31
325
32
Highest AQI recorded in
June43AQI
Lowest AQI recorded in
January23AQI
202033AQI
12
1
19
2
18
24
6
30
1
14
16
1
18
1
29
2
28
2
30
1
222
32
1
Highest AQI recorded in
August58AQI
Lowest AQI recorded in
December24AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
41AQILeast Polluted Year Recorded
2020(Avg.)
33AQINagisa's annual 2025 AQI (40) shows an average percentage change of 9.1% (worsened AQI) compared to previous years: 2020 (33), 2021 (34), 2022 (40), 2023 (41), 2024 (37).
