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
Minamiozuma, Nagano, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2024
57AQILowest AQI recorded on
2nd Aug 2022
10AQISame Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 43 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 1st Aug - 2nd Aug 2025
Minamiozuma, Nagano, Japan
AQI
Day
Night
.
4 AM1st Aug 2025
7 PM
3 AM2nd Aug 2025
Day time
Avg. Highest Time
1PM1st Aug
58AQI
Avg. Lowest Time
7AM1st Aug
36AQI
Night time
Avg. Highest Time
7PM1st Aug
49AQI
Avg. Lowest Time
11PM1st Aug
35AQI
In the last 24 hours,
Minamiozuma's AQI reached its highest point of 58 at 1 PM during the Day, while the lowest point, 35, was recorded at 11 PM during the Night between 1st Aug and 2nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Minamiozuma, Nagano, Japan
JulAug
03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd
Day
Night
3rd Jul 2025524 AMAQI
3rd Jul 2025525 AMAQI
3rd Jul 2025526 AMAQI
3rd Jul 2025527 AMAQI
3rd Jul 2025528 AMAQI
3rd Jul 2025429 AMAQI
3rd Jul 20253410 AMAQI
3rd Jul 20254311 AMAQI
3rd Jul 20254312 PMAQI
3rd Jul 2025431 PMAQI
3rd Jul 2025432 PMAQI
3rd Jul 2025433 PMAQI
3rd Jul 2025434 PMAQI
3rd Jul 2025435 PMAQI
3rd Jul 2025546 PMAQI
3rd Jul 2025547 PMAQI
3rd Jul 2025558 PMAQI
3rd Jul 2025539 PMAQI
3rd Jul 20255210 PMAQI
3rd Jul 20255311 PMAQI
4th Jul 20255212 AMAQI
4th Jul 2025511 AMAQI
4th Jul 2025482 AMAQI
4th Jul 2025483 AMAQI
22°C15/31°C
4th Jul 2025484 AMAQI
4th Jul 2025485 AMAQI
4th Jul 2025496 AMAQI
4th Jul 2025477 AMAQI
4th Jul 2025478 AMAQI
4th Jul 2025539 AMAQI
4th Jul 20255610 AMAQI
4th Jul 20255911 AMAQI
4th Jul 20255912 PMAQI
4th Jul 2025561 PMAQI
4th Jul 2025552 PMAQI
4th Jul 2025593 PMAQI
4th Jul 2025594 PMAQI
4th Jul 2025555 PMAQI
4th Jul 2025526 PMAQI
4th Jul 2025457 PMAQI
4th Jul 2025428 PMAQI
4th Jul 2025479 PMAQI
4th Jul 20255010 PMAQI
4th Jul 20255211 PMAQI
5th Jul 20254912 AMAQI
5th Jul 2025501 AMAQI
5th Jul 2025512 AMAQI
5th Jul 2025513 AMAQI
22°C15/31°C
5th Jul 2025514 AMAQI
5th Jul 2025525 AMAQI
5th Jul 2025526 AMAQI
5th Jul 2025527 AMAQI
5th Jul 2025528 AMAQI
5th Jul 2025529 AMAQI
5th Jul 20254910 AMAQI
5th Jul 20255211 AMAQI
5th Jul 20256012 PMAQI
5th Jul 2025641 PMAQI
5th Jul 2025682 PMAQI
5th Jul 2025673 PMAQI
5th Jul 2025654 PMAQI
5th Jul 2025665 PMAQI
5th Jul 2025656 PMAQI
5th Jul 2025647 PMAQI
5th Jul 2025608 PMAQI
5th Jul 2025549 PMAQI
5th Jul 20255510 PMAQI
5th Jul 20255411 PMAQI
6th Jul 20255412 AMAQI
6th Jul 2025521 AMAQI
6th Jul 2025522 AMAQI
6th Jul 2025523 AMAQI
21°C15/30°C
6th Jul 2025524 AMAQI
6th Jul 2025535 AMAQI
6th Jul 2025536 AMAQI
6th Jul 2025537 AMAQI
6th Jul 2025528 AMAQI
6th Jul 2025539 AMAQI
6th Jul 20256010 AMAQI
6th Jul 20256311 AMAQI
6th Jul 20256012 PMAQI
6th Jul 2025571 PMAQI
6th Jul 2025542 PMAQI
6th Jul 2025503 PMAQI
6th Jul 2025514 PMAQI
6th Jul 2025525 PMAQI
6th Jul 2025526 PMAQI
6th Jul 2025547 PMAQI
6th Jul 2025538 PMAQI
6th Jul 2025539 PMAQI
6th Jul 20255310 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 2025546 AMAQI
7th Jul 2025547 AMAQI
7th Jul 2025548 AMAQI
7th Jul 2025549 AMAQI
7th Jul 20255510 AMAQI
7th Jul 20255911 AMAQI
7th Jul 20255912 PMAQI
7th Jul 2025581 PMAQI
7th Jul 2025572 PMAQI
7th Jul 2025553 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 2025561 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 2025599 AMAQI
8th Jul 20256110 AMAQI
8th Jul 20256611 AMAQI
8th Jul 20256712 PMAQI
8th Jul 2025631 PMAQI
8th Jul 2025612 PMAQI
8th Jul 2025603 PMAQI
8th Jul 2025624 PMAQI
8th Jul 2025635 PMAQI
8th Jul 2025616 PMAQI
8th Jul 2025587 PMAQI
8th Jul 2025588 PMAQI
8th Jul 2025609 PMAQI
8th Jul 20256010 PMAQI
8th Jul 20256011 PMAQI
9th Jul 20256012 AMAQI
9th Jul 2025591 AMAQI
9th Jul 2025562 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 2025679 AMAQI
9th Jul 20256910 AMAQI
9th Jul 20256211 AMAQI
9th Jul 20256112 PMAQI
9th Jul 2025591 PMAQI
9th Jul 2025602 PMAQI
9th Jul 2025583 PMAQI
9th Jul 2025554 PMAQI
9th Jul 2025625 PMAQI
9th Jul 2025636 PMAQI
9th Jul 2025617 PMAQI
9th Jul 2025558 PMAQI
9th Jul 2025559 PMAQI
9th Jul 20255510 PMAQI
9th Jul 20255511 PMAQI
10th Jul 20255512 AMAQI
10th Jul 2025561 AMAQI
10th Jul 2025592 AMAQI
10th Jul 2025593 AMAQI
23°C17/31°C
10th Jul 2025594 AMAQI
10th Jul 2025605 AMAQI
10th Jul 2025606 AMAQI
10th Jul 2025607 AMAQI
10th Jul 2025608 AMAQI
10th Jul 2025469 AMAQI
10th Jul 20255010 AMAQI
10th Jul 20255811 AMAQI
10th Jul 20256212 PMAQI
10th Jul 2025631 PMAQI
10th Jul 2025632 PMAQI
10th Jul 2025623 PMAQI
10th Jul 2025604 PMAQI
10th Jul 2025555 PMAQI
10th Jul 2025536 PMAQI
10th Jul 2025517 PMAQI
10th Jul 2025528 PMAQI
10th Jul 2025549 PMAQI
10th Jul 20255310 PMAQI
10th Jul 20255411 PMAQI
11th Jul 20255312 AMAQI
11th Jul 2025561 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 20252110 AMAQI
11th Jul 20252111 AMAQI
11th Jul 20252612 PMAQI
11th Jul 2025371 PMAQI
11th Jul 2025382 PMAQI
11th Jul 2025393 PMAQI
11th Jul 2025414 PMAQI
11th Jul 2025395 PMAQI
11th Jul 2025406 PMAQI
11th Jul 2025397 PMAQI
11th Jul 2025468 PMAQI
11th Jul 2025539 PMAQI
11th Jul 20255210 PMAQI
11th Jul 20255311 PMAQI
12th Jul 20255212 AMAQI
12th Jul 2025541 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 20252410 AMAQI
12th Jul 20253311 AMAQI
12th Jul 20253412 PMAQI
12th Jul 2025391 PMAQI
12th Jul 2025402 PMAQI
12th Jul 2025403 PMAQI
12th Jul 2025414 PMAQI
12th Jul 2025405 PMAQI
12th Jul 2025406 PMAQI
12th Jul 2025437 PMAQI
12th Jul 2025458 PMAQI
12th Jul 2025519 PMAQI
12th Jul 20255010 PMAQI
12th Jul 20255111 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 2025537 AMAQI
13th Jul 2025538 AMAQI
13th Jul 2025459 AMAQI
13th Jul 20253610 AMAQI
13th Jul 20253411 AMAQI
13th Jul 20253512 PMAQI
13th Jul 2025401 PMAQI
13th Jul 2025392 PMAQI
13th Jul 2025393 PMAQI
13th Jul 2025414 PMAQI
13th Jul 2025405 PMAQI
13th Jul 2025416 PMAQI
13th Jul 2025417 PMAQI
13th Jul 2025468 PMAQI
13th Jul 2025529 PMAQI
13th Jul 20255110 PMAQI
13th Jul 20255211 PMAQI
14th Jul 20255312 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 2025526 AMAQI
14th Jul 2025537 AMAQI
14th Jul 2025538 AMAQI
14th Jul 2025439 AMAQI
14th Jul 20254410 AMAQI
14th Jul 20254211 AMAQI
14th Jul 20253512 PMAQI
14th Jul 2025381 PMAQI
14th Jul 2025362 PMAQI
14th Jul 2025373 PMAQI
14th Jul 2025384 PMAQI
14th Jul 2025385 PMAQI
14th Jul 2025326 PMAQI
14th Jul 2025277 PMAQI
14th Jul 2025308 PMAQI
14th Jul 2025449 PMAQI
14th Jul 20254410 PMAQI
14th Jul 20254511 PMAQI
15th Jul 20254612 AMAQI
15th Jul 2025481 AMAQI
15th Jul 2025532 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 20251411 AMAQI
15th Jul 20251612 PMAQI
15th Jul 2025241 PMAQI
15th Jul 2025252 PMAQI
15th Jul 2025253 PMAQI
15th Jul 2025244 PMAQI
15th Jul 2025225 PMAQI
15th Jul 2025226 PMAQI
15th Jul 2025237 PMAQI
15th Jul 2025308 PMAQI
15th Jul 2025439 PMAQI
15th Jul 20254410 PMAQI
15th Jul 20254511 PMAQI
16th Jul 20254512 AMAQI
16th Jul 2025481 AMAQI
16th Jul 2025512 AMAQI
16th Jul 2025523 AMAQI
21°C15/28°C
16th Jul 2025514 AMAQI
16th Jul 2025485 AMAQI
16th Jul 2025486 AMAQI
16th Jul 2025487 AMAQI
16th Jul 2025488 AMAQI
16th Jul 2025499 AMAQI
16th Jul 20254810 AMAQI
16th Jul 20254811 AMAQI
16th Jul 20254712 PMAQI
16th Jul 2025461 PMAQI
16th Jul 2025472 PMAQI
16th Jul 2025453 PMAQI
16th Jul 2025434 PMAQI
16th Jul 2025405 PMAQI
16th Jul 2025406 PMAQI
16th Jul 2025387 PMAQI
16th Jul 2025348 PMAQI
16th Jul 2025409 PMAQI
16th Jul 20253910 PMAQI
16th Jul 20253911 PMAQI
17th Jul 20253912 AMAQI
17th Jul 2025391 AMAQI
17th Jul 2025442 AMAQI
17th Jul 2025483 AMAQI
21°C14/30°C
17th Jul 2025494 AMAQI
17th Jul 2025505 AMAQI
17th Jul 2025496 AMAQI
17th Jul 2025497 AMAQI
17th Jul 2025498 AMAQI
17th Jul 2025239 AMAQI
17th Jul 20251810 AMAQI
17th Jul 20251511 AMAQI
17th Jul 20251612 PMAQI
17th Jul 2025231 PMAQI
17th Jul 2025222 PMAQI
17th Jul 2025223 PMAQI
17th Jul 2025234 PMAQI
17th Jul 2025245 PMAQI
17th Jul 2025286 PMAQI
17th Jul 2025317 PMAQI
17th Jul 2025348 PMAQI
17th Jul 2025419 PMAQI
17th Jul 20254110 PMAQI
17th Jul 20254011 PMAQI
18th Jul 20254012 AMAQI
18th Jul 2025431 AMAQI
18th Jul 2025462 AMAQI
18th Jul 2025473 AMAQI
19°C15/23°C
18th Jul 2025454 AMAQI
18th Jul 2025425 AMAQI
18th Jul 2025426 AMAQI
18th Jul 2025427 AMAQI
18th Jul 2025428 AMAQI
18th Jul 2025289 AMAQI
18th Jul 20252110 AMAQI
18th Jul 20252211 AMAQI
18th Jul 20252112 PMAQI
18th Jul 2025281 PMAQI
18th Jul 2025292 PMAQI
18th Jul 2025283 PMAQI
18th Jul 2025304 PMAQI
18th Jul 2025335 PMAQI
18th Jul 2025316 PMAQI
18th Jul 2025307 PMAQI
18th Jul 2025358 PMAQI
18th Jul 2025409 PMAQI
18th Jul 20254010 PMAQI
18th Jul 20254011 PMAQI
19th Jul 20254012 AMAQI
19th Jul 2025421 AMAQI
19th Jul 2025442 AMAQI
19th Jul 2025443 AMAQI
21°C13/31°C
19th Jul 2025424 AMAQI
19th Jul 2025415 AMAQI
19th Jul 2025426 AMAQI
19th Jul 2025417 AMAQI
19th Jul 2025418 AMAQI
19th Jul 2025299 AMAQI
19th Jul 20252910 AMAQI
19th Jul 20252511 AMAQI
19th Jul 20252312 PMAQI
19th Jul 2025281 PMAQI
19th Jul 2025272 PMAQI
19th Jul 2025263 PMAQI
19th Jul 2025284 PMAQI
19th Jul 2025295 PMAQI
19th Jul 2025296 PMAQI
19th Jul 2025267 PMAQI
19th Jul 2025348 PMAQI
19th Jul 2025389 PMAQI
19th Jul 20253710 PMAQI
19th Jul 20253811 PMAQI
20th Jul 20253912 AMAQI
20th Jul 2025401 AMAQI
20th Jul 2025422 AMAQI
20th Jul 2025423 AMAQI
22°C15/31°C
20th Jul 2025424 AMAQI
20th Jul 2025415 AMAQI
20th Jul 2025416 AMAQI
20th Jul 2025417 AMAQI
20th Jul 2025418 AMAQI
20th Jul 2025369 AMAQI
20th Jul 20253110 AMAQI
20th Jul 20253011 AMAQI
20th Jul 20252912 PMAQI
20th Jul 2025301 PMAQI
20th Jul 2025282 PMAQI
20th Jul 2025303 PMAQI
20th Jul 2025294 PMAQI
20th Jul 2025285 PMAQI
20th Jul 2025306 PMAQI
20th Jul 2025307 PMAQI
20th Jul 2025358 PMAQI
20th Jul 2025389 PMAQI
20th Jul 20254110 PMAQI
20th Jul 20253811 PMAQI
21st Jul 20253812 AMAQI
21st Jul 2025391 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 2025409 AMAQI
21st Jul 20254310 AMAQI
21st Jul 20254311 AMAQI
21st Jul 20254212 PMAQI
21st Jul 2025381 PMAQI
21st Jul 2025362 PMAQI
21st Jul 2025353 PMAQI
21st Jul 2025354 PMAQI
21st Jul 2025355 PMAQI
21st Jul 2025396 PMAQI
21st Jul 2025357 PMAQI
21st Jul 2025328 PMAQI
21st Jul 2025369 PMAQI
21st Jul 20253510 PMAQI
21st Jul 20253611 PMAQI
22nd Jul 20253512 AMAQI
22nd Jul 2025361 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 2025429 AMAQI
22nd Jul 20254910 AMAQI
22nd Jul 20255111 AMAQI
22nd Jul 20255012 PMAQI
22nd Jul 2025481 PMAQI
22nd Jul 2025452 PMAQI
22nd Jul 2025413 PMAQI
22nd Jul 2025424 PMAQI
22nd Jul 2025415 PMAQI
22nd Jul 2025356 PMAQI
22nd Jul 2025387 PMAQI
22nd Jul 2025398 PMAQI
22nd Jul 2025399 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 2025405 AMAQI
23rd Jul 2025396 AMAQI
23rd Jul 2025407 AMAQI
23rd Jul 2025408 AMAQI
23rd Jul 2025479 AMAQI
23rd Jul 20255310 AMAQI
23rd Jul 20255611 AMAQI
23rd Jul 20255612 PMAQI
23rd Jul 2025561 PMAQI
23rd Jul 2025492 PMAQI
23rd Jul 2025493 PMAQI
23rd Jul 2025494 PMAQI
23rd Jul 2025485 PMAQI
23rd Jul 2025476 PMAQI
23rd Jul 2025367 PMAQI
23rd Jul 2025318 PMAQI
23rd Jul 2025369 PMAQI
23rd Jul 20253510 PMAQI
23rd Jul 20253511 PMAQI
24th Jul 20253612 AMAQI
24th Jul 2025381 AMAQI
24th Jul 2025402 AMAQI
24th Jul 2025403 AMAQI
23°C15/32°C
24th Jul 2025414 AMAQI
24th Jul 2025425 AMAQI
24th Jul 2025426 AMAQI
24th Jul 2025427 AMAQI
24th Jul 2025428 AMAQI
24th Jul 2025369 AMAQI
24th Jul 20254110 AMAQI
24th Jul 20255011 AMAQI
24th Jul 20255512 PMAQI
24th Jul 2025521 PMAQI
24th Jul 2025512 PMAQI
24th Jul 2025483 PMAQI
24th Jul 2025474 PMAQI
24th Jul 2025455 PMAQI
24th Jul 2025396 PMAQI
24th Jul 2025387 PMAQI
24th Jul 2025378 PMAQI
24th Jul 2025369 PMAQI
24th Jul 20253610 PMAQI
24th Jul 20253511 PMAQI
25th Jul 20253712 AMAQI
25th Jul 2025391 AMAQI
25th Jul 2025402 AMAQI
25th Jul 2025393 AMAQI
22°C15/32°C
25th Jul 2025414 AMAQI
25th Jul 2025425 AMAQI
25th Jul 2025436 AMAQI
25th Jul 2025437 AMAQI
25th Jul 2025438 AMAQI
25th Jul 2025389 AMAQI
25th Jul 20253810 AMAQI
25th Jul 20253911 AMAQI
25th Jul 20253812 PMAQI
25th Jul 2025381 PMAQI
25th Jul 2025412 PMAQI
25th Jul 2025423 PMAQI
25th Jul 2025414 PMAQI
25th Jul 2025405 PMAQI
25th Jul 2025376 PMAQI
25th Jul 2025367 PMAQI
25th Jul 2025358 PMAQI
25th Jul 2025369 PMAQI
25th Jul 20253510 PMAQI
25th Jul 20253611 PMAQI
26th Jul 20253612 AMAQI
26th Jul 2025381 AMAQI
26th Jul 2025402 AMAQI
26th Jul 2025403 AMAQI
22°C15/32°C
26th Jul 2025404 AMAQI
26th Jul 2025415 AMAQI
26th Jul 2025416 AMAQI
26th Jul 2025417 AMAQI
26th Jul 2025418 AMAQI
26th Jul 2025429 AMAQI
26th Jul 20254410 AMAQI
26th Jul 20254111 AMAQI
26th Jul 20253912 PMAQI
26th Jul 2025411 PMAQI
26th Jul 2025422 PMAQI
26th Jul 2025393 PMAQI
26th Jul 2025444 PMAQI
26th Jul 2025405 PMAQI
26th Jul 2025336 PMAQI
26th Jul 2025297 PMAQI
26th Jul 2025318 PMAQI
26th Jul 2025369 PMAQI
26th Jul 20253510 PMAQI
26th Jul 20253411 PMAQI
27th Jul 20253612 AMAQI
27th Jul 2025381 AMAQI
27th Jul 2025402 AMAQI
27th Jul 2025403 AMAQI
22°C15/33°C
27th Jul 2025404 AMAQI
27th Jul 2025415 AMAQI
27th Jul 2025426 AMAQI
27th Jul 2025427 AMAQI
27th Jul 2025418 AMAQI
27th Jul 2025369 AMAQI
27th Jul 20253410 AMAQI
27th Jul 20253211 AMAQI
27th Jul 20253212 PMAQI
27th Jul 2025351 PMAQI
27th Jul 2025352 PMAQI
27th Jul 2025363 PMAQI
27th Jul 2025364 PMAQI
27th Jul 2025395 PMAQI
27th Jul 2025376 PMAQI
27th Jul 2025397 PMAQI
27th Jul 2025388 PMAQI
27th Jul 2025379 PMAQI
27th Jul 20253610 PMAQI
27th Jul 20253511 PMAQI
28th Jul 20253612 AMAQI
28th Jul 2025381 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 20254010 AMAQI
28th Jul 20254411 AMAQI
28th Jul 20254612 PMAQI
28th Jul 2025411 PMAQI
28th Jul 2025392 PMAQI
28th Jul 2025383 PMAQI
28th Jul 2025384 PMAQI
28th Jul 2025375 PMAQI
28th Jul 2025386 PMAQI
28th Jul 2025437 PMAQI
28th Jul 2025458 PMAQI
28th Jul 2025439 PMAQI
28th Jul 20254310 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 2025414 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 20255911 AMAQI
29th Jul 20255812 PMAQI
29th Jul 2025571 PMAQI
29th Jul 2025552 PMAQI
29th Jul 2025573 PMAQI
29th Jul 2025574 PMAQI
29th Jul 2025575 PMAQI
29th Jul 2025566 PMAQI
29th Jul 2025557 PMAQI
29th Jul 2025528 PMAQI
29th Jul 2025459 PMAQI
29th Jul 20254110 PMAQI
29th Jul 20254111 PMAQI
30th Jul 20254112 AMAQI
30th Jul 2025411 AMAQI
30th Jul 2025412 AMAQI
30th Jul 2025423 AMAQI
24°C16/34°C
30th Jul 2025424 AMAQI
30th Jul 2025445 AMAQI
30th Jul 2025456 AMAQI
30th Jul 2025437 AMAQI
30th Jul 2025448 AMAQI
30th Jul 2025569 AMAQI
30th Jul 20255910 AMAQI
30th Jul 20256211 AMAQI
30th Jul 20255812 PMAQI
30th Jul 2025551 PMAQI
30th Jul 2025532 PMAQI
30th Jul 2025513 PMAQI
30th Jul 2025504 PMAQI
30th Jul 2025495 PMAQI
30th Jul 2025486 PMAQI
30th Jul 2025467 PMAQI
30th Jul 2025438 PMAQI
30th Jul 2025429 PMAQI
30th Jul 20254210 PMAQI
30th Jul 20254211 PMAQI
31st Jul 20254012 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 20254611 AMAQI
31st Jul 20254512 PMAQI
31st Jul 2025411 PMAQI
31st Jul 2025402 PMAQI
31st Jul 2025443 PMAQI
31st Jul 2025374 PMAQI
31st Jul 2025375 PMAQI
31st Jul 2025346 PMAQI
31st Jul 2025377 PMAQI
31st Jul 2025428 PMAQI
31st Jul 2025469 PMAQI
31st Jul 20253710 PMAQI
31st Jul 20254411 PMAQI
1st Aug 20253412 AMAQI
1st Aug 2025361 AMAQI
1st Aug 2025342 AMAQI
1st Aug 2025373 AMAQI
23°C15/33°C
1st Aug 2025374 AMAQI
1st Aug 2025375 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025367 AMAQI
1st Aug 2025388 AMAQI
1st Aug 2025569 AMAQI
1st Aug 20255010 AMAQI
1st Aug 20255411 AMAQI
1st Aug 20255012 PMAQI
1st Aug 2025581 PMAQI
1st Aug 2025462 PMAQI
1st Aug 2025403 PMAQI
1st Aug 2025494 PMAQI
1st Aug 2025515 PMAQI
1st Aug 2025576 PMAQI
1st Aug 2025497 PMAQI
1st Aug 2025468 PMAQI
1st Aug 2025449 PMAQI
1st Aug 20254010 PMAQI
1st Aug 20253511 PMAQI
2nd Aug 20253712 AMAQI
2nd Aug 2025401 AMAQI
2nd Aug 2025442 AMAQI
2nd Aug 2025413 AMAQI
22°C14/31°C
2nd Aug 2025404 AMAQI
4 AM2nd Aug 2025415 AMAQI
2nd Aug 2025416 AMAQI
2nd Aug 2025407 AMAQI
2nd Aug 2025428 AMAQI
2nd Aug 2025579 AMAQI
2nd Aug 20254710 AMAQI
2nd Aug 20255511 AMAQI
11 AM2nd Aug 20254712 PMAQI
2nd Aug 2025541 PMAQI
2nd Aug 2025542 PMAQI
2nd Aug 2025593 PMAQI
2nd Aug 2025514 PMAQI
2nd Aug 2025555 PMAQI
2nd Aug 2025566 PMAQI
2nd Aug 2025517 PMAQI
7 PM2nd Aug 2025498 PMAQI
2nd Aug 2025429 PMAQI
2nd Aug 20254510 PMAQI
2nd Aug 20253811 PMAQI
11 PM3 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
44AQI
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. 44).
Night time
Avg. Highest Time
12 AM - 3 AM
46AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
8 PM - 11 PM
44AQI
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. 44).
2025 Days Vs Air Quality
Minamiozuma, Nagano, Japan
2025
85%
181
15%
32
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Good
181 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 214 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
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
33AQI
33AQI
2nd January 2025
32AQI
32AQI
3rd January 2025
29AQI
29AQI
4th January 2025
30AQI
30AQI
5th January 2025
32AQI
32AQI
6th January 2025
35AQI
35AQI
7th January 2025
32AQI
32AQI
8th January 2025
28AQI
28AQI
9th January 2025
29AQI
29AQI
10th January 2025
27AQI
27AQI
11th January 2025
31AQI
31AQI
12th January 2025
34AQI
34AQI
13th January 2025
35AQI
35AQI
14th January 2025
34AQI
34AQI
15th January 2025
32AQI
32AQI
16th January 2025
30AQI
30AQI
17th January 2025
30AQI
30AQI
18th January 2025
36AQI
36AQI
19th January 2025
35AQI
35AQI
20th January 2025
42AQI
42AQI
21st January 2025
45AQI
45AQI
22nd January 2025
49AQI
49AQI
23rd January 2025
54AQI
54AQI
24th January 2025
51AQI
51AQI
25th January 2025
40AQI
40AQI
26th January 2025
37AQI
37AQI
27th January 2025
33AQI
33AQI
28th January 2025
32AQI
32AQI
29th January 2025
33AQI
33AQI
30th January 2025
32AQI
32AQI
31st January 2025
35AQI
35AQI
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
31AQI
31AQI
7th February 2025
35AQI
35AQI
8th February 2025
30AQI
30AQI
9th February 2025
31AQI
31AQI
10th February 2025
31AQI
31AQI
11th February 2025
31AQI
31AQI
12th February 2025
31AQI
31AQI
13th February 2025
32AQI
32AQI
14th February 2025
35AQI
35AQI
15th February 2025
30AQI
30AQI
16th February 2025
47AQI
47AQI
17th February 2025
45AQI
45AQI
18th February 2025
40AQI
40AQI
19th February 2025
36AQI
36AQI
20th February 2025
32AQI
32AQI
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
39AQI
39AQI
27th February 2025
47AQI
47AQI
28th February 2025
46AQI
46AQI
1st March 2025
53AQI
53AQI
2nd March 2025
46AQI
46AQI
3rd March 2025
40AQI
40AQI
4th March 2025
37AQI
37AQI
5th March 2025
38AQI
38AQI
6th March 2025
35AQI
35AQI
7th March 2025
36AQI
36AQI
8th March 2025
39AQI
39AQI
9th March 2025
36AQI
36AQI
10th March 2025
40AQI
40AQI
11th March 2025
33AQI
33AQI
12th March 2025
33AQI
33AQI
13th March 2025
44AQI
44AQI
14th March 2025
44AQI
44AQI
15th March 2025
45AQI
45AQI
16th March 2025
32AQI
32AQI
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
49AQI
49AQI
23rd March 2025
60AQI
60AQI
24th March 2025
61AQI
61AQI
25th March 2025
77AQI
77AQI
26th March 2025
87AQI
87AQI
27th March 2025
72AQI
72AQI
28th March 2025
44AQI
44AQI
29th March 2025
40AQI
40AQI
30th March 2025
38AQI
38AQI
31st March 2025
34AQI
34AQI
1st April 2025
36AQI
36AQI
2nd April 2025
26AQI
26AQI
3rd April 2025
24AQI
24AQI
4th April 2025
24AQI
24AQI
5th April 2025
32AQI
32AQI
6th April 2025
26AQI
26AQI
7th April 2025
35AQI
35AQI
8th April 2025
41AQI
41AQI
9th April 2025
29AQI
29AQI
10th April 2025
43AQI
43AQI
11th April 2025
38AQI
38AQI
12th April 2025
46AQI
46AQI
13th April 2025
26AQI
26AQI
14th April 2025
30AQI
30AQI
15th April 2025
21AQI
21AQI
16th April 2025
27AQI
27AQI
17th April 2025
48AQI
48AQI
18th April 2025
51AQI
51AQI
19th April 2025
69AQI
69AQI
20th April 2025
54AQI
54AQI
21st April 2025
44AQI
44AQI
22nd April 2025
48AQI
48AQI
23rd April 2025
28AQI
28AQI
24th April 2025
28AQI
28AQI
25th April 2025
35AQI
35AQI
26th April 2025
44AQI
44AQI
27th April 2025
45AQI
45AQI
28th April 2025
46AQI
46AQI
29th April 2025
39AQI
39AQI
30th April 2025
54AQI
54AQI
1st May 2025
46AQI
46AQI
2nd May 2025
35AQI
35AQI
3rd May 2025
37AQI
37AQI
4th May 2025
35AQI
35AQI
5th May 2025
40AQI
40AQI
6th May 2025
29AQI
29AQI
7th May 2025
29AQI
29AQI
8th May 2025
32AQI
32AQI
9th May 2025
31AQI
31AQI
10th May 2025
25AQI
25AQI
11th May 2025
23AQI
23AQI
12th May 2025
26AQI
26AQI
13th May 2025
38AQI
38AQI
14th May 2025
46AQI
46AQI
15th May 2025
47AQI
47AQI
16th May 2025
51AQI
51AQI
17th May 2025
34AQI
34AQI
18th May 2025
43AQI
43AQI
19th May 2025
42AQI
42AQI
20th May 2025
62AQI
62AQI
21st May 2025
63AQI
63AQI
22nd May 2025
56AQI
56AQI
23rd May 2025
56AQI
56AQI
24th May 2025
51AQI
51AQI
25th May 2025
30AQI
30AQI
26th May 2025
32AQI
32AQI
27th May 2025
33AQI
33AQI
28th May 2025
31AQI
31AQI
29th May 2025
37AQI
37AQI
30th May 2025
26AQI
26AQI
31st May 2025
22AQI
22AQI
1st June 2025
21AQI
21AQI
2nd June 2025
33AQI
33AQI
3rd June 2025
25AQI
25AQI
4th June 2025
30AQI
30AQI
5th June 2025
35AQI
35AQI
6th June 2025
42AQI
42AQI
7th June 2025
45AQI
45AQI
8th June 2025
56AQI
56AQI
9th June 2025
58AQI
58AQI
10th June 2025
37AQI
37AQI
11th June 2025
33AQI
33AQI
12th June 2025
41AQI
41AQI
13th June 2025
47AQI
47AQI
14th June 2025
37AQI
37AQI
15th June 2025
28AQI
28AQI
16th June 2025
29AQI
29AQI
17th June 2025
35AQI
35AQI
18th June 2025
44AQI
44AQI
19th June 2025
50AQI
50AQI
20th June 2025
53AQI
53AQI
21st June 2025
52AQI
52AQI
22nd June 2025
53AQI
53AQI
23rd June 2025
41AQI
41AQI
24th June 2025
39AQI
39AQI
25th June 2025
40AQI
40AQI
26th June 2025
37AQI
37AQI
27th June 2025
41AQI
41AQI
28th June 2025
43AQI
43AQI
29th June 2025
47AQI
47AQI
30th June 2025
51AQI
51AQI
1st July 2025
55AQI
55AQI
2nd July 2025
47AQI
47AQI
3rd July 2025
47AQI
47AQI
4th July 2025
51AQI
51AQI
5th July 2025
56AQI
56AQI
6th July 2025
54AQI
54AQI
7th July 2025
56AQI
56AQI
8th July 2025
59AQI
59AQI
9th July 2025
59AQI
59AQI
10th July 2025
57AQI
57AQI
11th July 2025
47AQI
47AQI
12th July 2025
47AQI
47AQI
13th July 2025
48AQI
48AQI
14th July 2025
45AQI
45AQI
15th July 2025
38AQI
38AQI
16th July 2025
45AQI
45AQI
17th July 2025
36AQI
36AQI
18th July 2025
37AQI
37AQI
19th July 2025
36AQI
36AQI
20th July 2025
36AQI
36AQI
21st July 2025
38AQI
38AQI
22nd July 2025
40AQI
40AQI
23rd July 2025
42AQI
42AQI
24th July 2025
41AQI
41AQI
25th July 2025
39AQI
39AQI
26th July 2025
38AQI
38AQI
27th July 2025
38AQI
38AQI
28th July 2025
40AQI
40AQI
29th July 2025
47AQI
47AQI
30th July 2025
46AQI
46AQI
31st July 2025
41AQI
41AQI
1st August 2025
43AQI
43AQI
35AQI
36AQI
44AQI
38AQI
38AQI
41AQI
45AQI
43AQI
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
1
181
32
Highest AQI recorded in
July45AQI
Lowest AQI recorded in
January35AQI
202435AQI
31
29
26
5
21
9
31
23
7
31
29
2
26
4
31
27
3
31
336
30
Highest AQI recorded in
April48AQI
Lowest AQI recorded in
October30AQI
202338AQI
28
3
27
1
22
9
23
7
27
4
29
1
22
9
30
1
30
31
26
3
26
5
321
43
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
October29AQI
202239AQI
31
19
2
24
7
23
7
24
7
23
7
22
3
3
27
2
28
3
25
5
30
1
279
44
Highest AQI recorded in
May45AQI
Lowest AQI recorded in
August20AQI
202133AQI
30
1
25
3
29
1
21
2
30
1
26
4
26
5
30
1
30
30
1
28
2
31
336
21
Highest AQI recorded in
June42AQI
Lowest AQI recorded in
January26AQI
202032AQI
13
19
2
18
25
5
30
1
18
12
1
19
29
2
27
3
29
2
227
27
1
Highest AQI recorded in
August53AQI
Lowest AQI recorded in
July24AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
40AQILeast Polluted Year Recorded
2020(Avg.)
32AQIMinamiozuma's annual 2025 AQI (40) shows an average percentage change of 12.1% (worsened AQI) compared to previous years: 2020 (32), 2021 (33), 2022 (39), 2023 (38), 2024 (35).
