Ina, 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
Ina, Nagano, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Aug 2024
59AQILowest AQI recorded on
19th Aug 2021
13AQISame 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: 2nd Aug - 3rd Aug 2025
Ina, Nagano, Japan
AQI
Day
Night
.
4 AM2nd Aug 2025
7 PM
3 AM3rd Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
3PM2nd Aug
56AQI
Avg. Lowest Time
12AM3rd Aug
37AQI
In the last 24 hours,
Ina's AQI reached its highest point of 56 at 3 PM during the Night, while the lowest point, undefined, was recorded at 3 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Ina, Nagano, Japan
JulAug
04th - 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 - 03rd03rd
Day
Night
4th Jul 2025484 AMAQI
4th Jul 2025485 AMAQI
4th Jul 2025496 AMAQI
4th Jul 2025507 AMAQI
4th Jul 2025498 AMAQI
4th Jul 2025509 AMAQI
4th Jul 20255410 AMAQI
4th Jul 20255711 AMAQI
4th Jul 20255812 PMAQI
4th Jul 2025551 PMAQI
4th Jul 2025562 PMAQI
4th Jul 2025563 PMAQI
4th Jul 2025544 PMAQI
4th Jul 2025535 PMAQI
4th Jul 2025526 PMAQI
4th Jul 2025507 PMAQI
4th Jul 2025458 PMAQI
4th Jul 2025479 PMAQI
4th Jul 20255010 PMAQI
4th Jul 20254911 PMAQI
5th Jul 20255012 AMAQI
5th Jul 2025511 AMAQI
5th Jul 2025492 AMAQI
5th Jul 2025503 AMAQI
20°C14/24°C
5th Jul 2025494 AMAQI
5th Jul 2025515 AMAQI
5th Jul 2025516 AMAQI
5th Jul 2025527 AMAQI
5th Jul 2025528 AMAQI
5th Jul 2025549 AMAQI
5th Jul 20255510 AMAQI
5th Jul 20255711 AMAQI
5th Jul 20256312 PMAQI
5th Jul 2025661 PMAQI
5th Jul 2025742 PMAQI
5th Jul 2025763 PMAQI
5th Jul 2025744 PMAQI
5th Jul 2025705 PMAQI
5th Jul 2025716 PMAQI
5th Jul 2025707 PMAQI
5th Jul 2025658 PMAQI
5th Jul 2025569 PMAQI
5th Jul 20255710 PMAQI
5th Jul 20255611 PMAQI
6th Jul 20255512 AMAQI
6th Jul 2025551 AMAQI
6th Jul 2025522 AMAQI
6th Jul 2025523 AMAQI
21°C16/26°C
6th Jul 2025524 AMAQI
6th Jul 2025535 AMAQI
6th Jul 2025526 AMAQI
6th Jul 2025527 AMAQI
6th Jul 2025528 AMAQI
6th Jul 2025559 AMAQI
6th Jul 20256110 AMAQI
6th Jul 20256211 AMAQI
6th Jul 20256112 PMAQI
6th Jul 2025541 PMAQI
6th Jul 2025542 PMAQI
6th Jul 2025513 PMAQI
6th Jul 2025504 PMAQI
6th Jul 2025535 PMAQI
6th Jul 2025526 PMAQI
6th Jul 2025537 PMAQI
6th Jul 2025548 PMAQI
6th Jul 2025559 PMAQI
6th Jul 20255410 PMAQI
6th Jul 20255411 PMAQI
7th Jul 20255412 AMAQI
7th Jul 2025541 AMAQI
7th Jul 2025532 AMAQI
7th Jul 2025533 AMAQI
20°C13/24°C
7th Jul 2025544 AMAQI
7th Jul 2025545 AMAQI
7th Jul 2025546 AMAQI
7th Jul 2025547 AMAQI
7th Jul 2025548 AMAQI
7th Jul 2025559 AMAQI
7th Jul 20255710 AMAQI
7th Jul 20256211 AMAQI
7th Jul 20256012 PMAQI
7th Jul 2025581 PMAQI
7th Jul 2025582 PMAQI
7th Jul 2025573 PMAQI
7th Jul 2025564 PMAQI
7th Jul 2025595 PMAQI
7th Jul 2025626 PMAQI
7th Jul 2025687 PMAQI
7th Jul 2025668 PMAQI
7th Jul 2025629 PMAQI
7th Jul 20256110 PMAQI
7th Jul 20256011 PMAQI
8th Jul 20255912 AMAQI
8th Jul 2025561 AMAQI
8th Jul 2025542 AMAQI
8th Jul 2025543 AMAQI
20°C15/23°C
8th Jul 2025544 AMAQI
8th Jul 2025565 AMAQI
8th Jul 2025556 AMAQI
8th Jul 2025557 AMAQI
8th Jul 2025558 AMAQI
8th Jul 2025569 AMAQI
8th Jul 20255710 AMAQI
8th Jul 20255911 AMAQI
8th Jul 20255912 PMAQI
8th Jul 2025601 PMAQI
8th Jul 2025592 PMAQI
8th Jul 2025593 PMAQI
8th Jul 2025594 PMAQI
8th Jul 2025615 PMAQI
8th Jul 2025646 PMAQI
8th Jul 2025667 PMAQI
8th Jul 2025658 PMAQI
8th Jul 2025669 PMAQI
8th Jul 20256610 PMAQI
8th Jul 20256611 PMAQI
9th Jul 20256412 AMAQI
9th Jul 2025611 AMAQI
9th Jul 2025572 AMAQI
9th Jul 2025573 AMAQI
20°C15/22°C
9th Jul 2025574 AMAQI
9th Jul 2025575 AMAQI
9th Jul 2025576 AMAQI
9th Jul 2025577 AMAQI
9th Jul 2025578 AMAQI
9th Jul 2025609 AMAQI
9th Jul 20256210 AMAQI
9th Jul 20256011 AMAQI
9th Jul 20256212 PMAQI
9th Jul 2025641 PMAQI
9th Jul 2025682 PMAQI
9th Jul 2025703 PMAQI
9th Jul 2025844 PMAQI
9th Jul 2025775 PMAQI
9th Jul 2025786 PMAQI
9th Jul 2025817 PMAQI
9th Jul 2025748 PMAQI
9th Jul 2025669 PMAQI
9th Jul 20256610 PMAQI
9th Jul 20256011 PMAQI
10th Jul 20255812 AMAQI
10th Jul 2025571 AMAQI
10th Jul 2025562 AMAQI
10th Jul 2025593 AMAQI
19°C12/23°C
10th Jul 2025594 AMAQI
10th Jul 2025625 AMAQI
10th Jul 2025626 AMAQI
10th Jul 2025627 AMAQI
10th Jul 2025638 AMAQI
10th Jul 2025609 AMAQI
10th Jul 20256410 AMAQI
10th Jul 20256911 AMAQI
10th Jul 20257712 PMAQI
10th Jul 2025731 PMAQI
10th Jul 2025722 PMAQI
10th Jul 2025703 PMAQI
10th Jul 2025684 PMAQI
10th Jul 2025635 PMAQI
10th Jul 2025616 PMAQI
10th Jul 2025547 PMAQI
10th Jul 2025568 PMAQI
10th Jul 2025579 PMAQI
10th Jul 20255510 PMAQI
10th Jul 20255511 PMAQI
11th Jul 20255512 AMAQI
11th Jul 2025561 AMAQI
11th Jul 2025562 AMAQI
11th Jul 2025563 AMAQI
22°C13/29°C
11th Jul 2025624 AMAQI
11th Jul 2025615 AMAQI
11th Jul 2025616 AMAQI
11th Jul 2025627 AMAQI
11th Jul 2025618 AMAQI
11th Jul 2025299 AMAQI
11th Jul 20252110 AMAQI
11th Jul 20252111 AMAQI
11th Jul 20252512 PMAQI
11th Jul 2025351 PMAQI
11th Jul 2025432 PMAQI
11th Jul 2025423 PMAQI
11th Jul 2025434 PMAQI
11th Jul 2025435 PMAQI
11th Jul 2025436 PMAQI
11th Jul 2025407 PMAQI
11th Jul 2025468 PMAQI
11th Jul 2025549 PMAQI
11th Jul 20255410 PMAQI
11th Jul 20255411 PMAQI
12th Jul 20255412 AMAQI
12th Jul 2025541 AMAQI
12th Jul 2025562 AMAQI
12th Jul 2025583 AMAQI
22°C17/27°C
12th Jul 2025584 AMAQI
12th Jul 2025565 AMAQI
12th Jul 2025566 AMAQI
12th Jul 2025567 AMAQI
12th Jul 2025568 AMAQI
12th Jul 2025309 AMAQI
12th Jul 20252510 AMAQI
12th Jul 20252911 AMAQI
12th Jul 20253212 PMAQI
12th Jul 2025411 PMAQI
12th Jul 2025412 PMAQI
12th Jul 2025403 PMAQI
12th Jul 2025434 PMAQI
12th Jul 2025465 PMAQI
12th Jul 2025456 PMAQI
12th Jul 2025507 PMAQI
12th Jul 2025538 PMAQI
12th Jul 2025549 PMAQI
12th Jul 20255510 PMAQI
12th Jul 20255411 PMAQI
13th Jul 20255312 AMAQI
13th Jul 2025541 AMAQI
13th Jul 2025562 AMAQI
13th Jul 2025563 AMAQI
22°C18/27°C
13th Jul 2025564 AMAQI
13th Jul 2025555 AMAQI
13th Jul 2025566 AMAQI
13th Jul 2025557 AMAQI
13th Jul 2025558 AMAQI
13th Jul 2025429 AMAQI
13th Jul 20253010 AMAQI
13th Jul 20253111 AMAQI
13th Jul 20253712 PMAQI
13th Jul 2025421 PMAQI
13th Jul 2025412 PMAQI
13th Jul 2025403 PMAQI
13th Jul 2025444 PMAQI
13th Jul 2025415 PMAQI
13th Jul 2025476 PMAQI
13th Jul 2025467 PMAQI
13th Jul 2025518 PMAQI
13th Jul 2025539 PMAQI
13th Jul 20255210 PMAQI
13th Jul 20255211 PMAQI
14th Jul 20255312 AMAQI
14th Jul 2025541 AMAQI
14th Jul 2025552 AMAQI
14th Jul 2025563 AMAQI
23°C19/29°C
14th Jul 2025554 AMAQI
14th Jul 2025545 AMAQI
14th Jul 2025546 AMAQI
14th Jul 2025547 AMAQI
14th Jul 2025548 AMAQI
14th Jul 2025429 AMAQI
14th Jul 20254010 AMAQI
14th Jul 20253311 AMAQI
14th Jul 20252812 PMAQI
14th Jul 2025381 PMAQI
14th Jul 2025372 PMAQI
14th Jul 2025373 PMAQI
14th Jul 2025384 PMAQI
14th Jul 2025365 PMAQI
14th Jul 2025336 PMAQI
14th Jul 2025287 PMAQI
14th Jul 2025338 PMAQI
14th Jul 2025469 PMAQI
14th Jul 20254610 PMAQI
14th Jul 20254611 PMAQI
15th Jul 20254612 AMAQI
15th Jul 2025481 AMAQI
15th Jul 2025472 AMAQI
15th Jul 2025523 AMAQI
20°C16/22°C
15th Jul 2025534 AMAQI
15th Jul 2025535 AMAQI
15th Jul 2025526 AMAQI
15th Jul 2025527 AMAQI
15th Jul 2025528 AMAQI
15th Jul 2025249 AMAQI
15th Jul 20251410 AMAQI
15th Jul 20251511 AMAQI
15th Jul 20251812 PMAQI
15th Jul 2025241 PMAQI
15th Jul 2025262 PMAQI
15th Jul 2025273 PMAQI
15th Jul 2025304 PMAQI
15th Jul 2025305 PMAQI
15th Jul 2025306 PMAQI
15th Jul 2025307 PMAQI
15th Jul 2025358 PMAQI
15th Jul 2025449 PMAQI
15th Jul 20254610 PMAQI
15th Jul 20254611 PMAQI
16th Jul 20254612 AMAQI
16th Jul 2025481 AMAQI
16th Jul 2025522 AMAQI
16th Jul 2025523 AMAQI
18°C13/21°C
16th Jul 2025514 AMAQI
16th Jul 2025485 AMAQI
16th Jul 2025486 AMAQI
16th Jul 2025487 AMAQI
16th Jul 2025488 AMAQI
16th Jul 2025379 AMAQI
16th Jul 20253810 AMAQI
16th Jul 20254211 AMAQI
16th Jul 20254812 PMAQI
16th Jul 2025511 PMAQI
16th Jul 2025492 PMAQI
16th Jul 2025443 PMAQI
16th Jul 2025384 PMAQI
16th Jul 2025415 PMAQI
16th Jul 2025416 PMAQI
16th Jul 2025377 PMAQI
16th Jul 2025358 PMAQI
16th Jul 2025429 PMAQI
16th Jul 20254110 PMAQI
16th Jul 20254111 PMAQI
17th Jul 20254112 AMAQI
17th Jul 2025421 AMAQI
17th Jul 2025432 AMAQI
17th Jul 2025453 AMAQI
17°C11/20°C
17th Jul 2025494 AMAQI
17th Jul 2025495 AMAQI
17th Jul 2025506 AMAQI
17th Jul 2025497 AMAQI
17th Jul 2025498 AMAQI
17th Jul 2025229 AMAQI
17th Jul 20251510 AMAQI
17th Jul 20251511 AMAQI
17th Jul 20252212 PMAQI
17th Jul 2025241 PMAQI
17th Jul 2025232 PMAQI
17th Jul 2025273 PMAQI
17th Jul 2025334 PMAQI
17th Jul 2025315 PMAQI
17th Jul 2025326 PMAQI
17th Jul 2025367 PMAQI
17th Jul 2025358 PMAQI
17th Jul 2025429 PMAQI
17th Jul 20254010 PMAQI
17th Jul 20254211 PMAQI
18th Jul 20254112 AMAQI
18th Jul 2025401 AMAQI
18th Jul 2025472 AMAQI
18th Jul 2025473 AMAQI
16°C12/14°C
18th Jul 2025464 AMAQI
18th Jul 2025445 AMAQI
18th Jul 2025436 AMAQI
18th Jul 2025447 AMAQI
18th Jul 2025438 AMAQI
18th Jul 2025249 AMAQI
18th Jul 20251910 AMAQI
18th Jul 20252211 AMAQI
18th Jul 20252412 PMAQI
18th Jul 2025291 PMAQI
18th Jul 2025282 PMAQI
18th Jul 2025263 PMAQI
18th Jul 2025314 PMAQI
18th Jul 2025335 PMAQI
18th Jul 2025316 PMAQI
18th Jul 2025317 PMAQI
18th Jul 2025348 PMAQI
18th Jul 2025409 PMAQI
18th Jul 20254110 PMAQI
18th Jul 20253911 PMAQI
19th Jul 20253912 AMAQI
19th Jul 2025421 AMAQI
19th Jul 2025452 AMAQI
19th Jul 2025453 AMAQI
17°C9/21°C
19th Jul 2025444 AMAQI
19th Jul 2025415 AMAQI
19th Jul 2025426 AMAQI
19th Jul 2025427 AMAQI
19th Jul 2025418 AMAQI
19th Jul 2025269 AMAQI
19th Jul 20252210 AMAQI
19th Jul 20252211 AMAQI
19th Jul 20251812 PMAQI
19th Jul 2025221 PMAQI
19th Jul 2025232 PMAQI
19th Jul 2025233 PMAQI
19th Jul 2025224 PMAQI
19th Jul 2025265 PMAQI
19th Jul 2025286 PMAQI
19th Jul 2025287 PMAQI
19th Jul 2025328 PMAQI
19th Jul 2025369 PMAQI
19th Jul 20253910 PMAQI
19th Jul 20253611 PMAQI
20th Jul 20253712 AMAQI
20th Jul 2025381 AMAQI
20th Jul 2025422 AMAQI
20th Jul 2025433 AMAQI
18°C11/22°C
20th Jul 2025424 AMAQI
20th Jul 2025405 AMAQI
20th Jul 2025406 AMAQI
20th Jul 2025407 AMAQI
20th Jul 2025398 AMAQI
20th Jul 2025329 AMAQI
20th Jul 20252510 AMAQI
20th Jul 20252511 AMAQI
20th Jul 20252312 PMAQI
20th Jul 2025241 PMAQI
20th Jul 2025222 PMAQI
20th Jul 2025233 PMAQI
20th Jul 2025264 PMAQI
20th Jul 2025265 PMAQI
20th Jul 2025266 PMAQI
20th Jul 2025287 PMAQI
20th Jul 2025328 PMAQI
20th Jul 2025369 PMAQI
20th Jul 20253510 PMAQI
20th Jul 20253611 PMAQI
21st Jul 20253512 AMAQI
21st Jul 2025361 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025413 AMAQI
20°C12/25°C
21st Jul 2025414 AMAQI
21st Jul 2025385 AMAQI
21st Jul 2025396 AMAQI
21st Jul 2025387 AMAQI
21st Jul 2025388 AMAQI
21st Jul 2025279 AMAQI
21st Jul 20253010 AMAQI
21st Jul 20253411 AMAQI
21st Jul 20253212 PMAQI
21st Jul 2025281 PMAQI
21st Jul 2025332 PMAQI
21st Jul 2025283 PMAQI
21st Jul 2025344 PMAQI
21st Jul 2025365 PMAQI
21st Jul 2025416 PMAQI
21st Jul 2025357 PMAQI
21st Jul 2025338 PMAQI
21st Jul 2025369 PMAQI
21st Jul 20253610 PMAQI
21st Jul 20253611 PMAQI
22nd Jul 20253512 AMAQI
22nd Jul 2025381 AMAQI
22nd Jul 2025402 AMAQI
22nd Jul 2025393 AMAQI
20°C14/25°C
22nd Jul 2025384 AMAQI
22nd Jul 2025375 AMAQI
22nd Jul 2025386 AMAQI
22nd Jul 2025377 AMAQI
22nd Jul 2025378 AMAQI
22nd Jul 2025329 AMAQI
22nd Jul 20253310 AMAQI
22nd Jul 20254611 AMAQI
22nd Jul 20254512 PMAQI
22nd Jul 2025421 PMAQI
22nd Jul 2025412 PMAQI
22nd Jul 2025423 PMAQI
22nd Jul 2025404 PMAQI
22nd Jul 2025365 PMAQI
22nd Jul 2025376 PMAQI
22nd Jul 2025367 PMAQI
22nd Jul 2025368 PMAQI
22nd Jul 2025389 PMAQI
22nd Jul 20253810 PMAQI
22nd Jul 20253711 PMAQI
23rd Jul 20253912 AMAQI
23rd Jul 2025381 AMAQI
23rd Jul 2025392 AMAQI
23rd Jul 2025393 AMAQI
20°C14/24°C
23rd Jul 2025394 AMAQI
23rd Jul 2025395 AMAQI
23rd Jul 2025396 AMAQI
23rd Jul 2025407 AMAQI
23rd Jul 2025398 AMAQI
23rd Jul 2025399 AMAQI
23rd Jul 20254310 AMAQI
23rd Jul 20254711 AMAQI
23rd Jul 20255212 PMAQI
23rd Jul 2025501 PMAQI
23rd Jul 2025492 PMAQI
23rd Jul 2025513 PMAQI
23rd Jul 2025524 PMAQI
23rd Jul 2025505 PMAQI
23rd Jul 2025446 PMAQI
23rd Jul 2025397 PMAQI
23rd Jul 2025388 PMAQI
23rd Jul 2025389 PMAQI
23rd Jul 20254010 PMAQI
23rd Jul 20253811 PMAQI
24th Jul 20253812 AMAQI
24th Jul 2025391 AMAQI
24th Jul 2025402 AMAQI
24th Jul 2025403 AMAQI
20°C13/25°C
24th Jul 2025414 AMAQI
24th Jul 2025425 AMAQI
24th Jul 2025426 AMAQI
24th Jul 2025427 AMAQI
24th Jul 2025418 AMAQI
24th Jul 2025469 AMAQI
24th Jul 20255010 AMAQI
24th Jul 20255311 AMAQI
24th Jul 20255412 PMAQI
24th Jul 2025531 PMAQI
24th Jul 2025552 PMAQI
24th Jul 2025543 PMAQI
24th Jul 2025544 PMAQI
24th Jul 2025545 PMAQI
24th Jul 2025476 PMAQI
24th Jul 2025347 PMAQI
24th Jul 2025348 PMAQI
24th Jul 2025349 PMAQI
24th Jul 20253310 PMAQI
24th Jul 20253311 PMAQI
25th Jul 20253312 AMAQI
25th Jul 2025351 AMAQI
25th Jul 2025402 AMAQI
25th Jul 2025403 AMAQI
21°C12/28°C
25th Jul 2025424 AMAQI
25th Jul 2025445 AMAQI
25th Jul 2025446 AMAQI
25th Jul 2025447 AMAQI
25th Jul 2025448 AMAQI
25th Jul 2025289 AMAQI
25th Jul 20252810 AMAQI
25th Jul 20253211 AMAQI
25th Jul 20253112 PMAQI
25th Jul 2025321 PMAQI
25th Jul 2025352 PMAQI
25th Jul 2025323 PMAQI
25th Jul 2025354 PMAQI
25th Jul 2025385 PMAQI
25th Jul 2025386 PMAQI
25th Jul 2025327 PMAQI
25th Jul 2025318 PMAQI
25th Jul 2025379 PMAQI
25th Jul 20253510 PMAQI
25th Jul 20253511 PMAQI
26th Jul 20253412 AMAQI
26th Jul 2025351 AMAQI
26th Jul 2025412 AMAQI
26th Jul 2025403 AMAQI
21°C17/27°C
26th Jul 2025404 AMAQI
26th Jul 2025405 AMAQI
26th Jul 2025406 AMAQI
26th Jul 2025397 AMAQI
26th Jul 2025398 AMAQI
26th Jul 2025299 AMAQI
26th Jul 20252810 AMAQI
26th Jul 20252711 AMAQI
26th Jul 20252812 PMAQI
26th Jul 2025261 PMAQI
26th Jul 2025262 PMAQI
26th Jul 2025263 PMAQI
26th Jul 2025264 PMAQI
26th Jul 2025245 PMAQI
26th Jul 2025266 PMAQI
26th Jul 2025257 PMAQI
26th Jul 2025268 PMAQI
26th Jul 2025319 PMAQI
26th Jul 20253010 PMAQI
26th Jul 20253011 PMAQI
27th Jul 20253112 AMAQI
27th Jul 2025321 AMAQI
27th Jul 2025362 AMAQI
27th Jul 2025393 AMAQI
19°C13/24°C
27th Jul 2025384 AMAQI
27th Jul 2025375 AMAQI
27th Jul 2025376 AMAQI
27th Jul 2025377 AMAQI
27th Jul 2025378 AMAQI
27th Jul 2025289 AMAQI
27th Jul 20252210 AMAQI
27th Jul 20252411 AMAQI
27th Jul 20252412 PMAQI
27th Jul 2025251 PMAQI
27th Jul 2025322 PMAQI
27th Jul 2025353 PMAQI
27th Jul 2025344 PMAQI
27th Jul 2025305 PMAQI
27th Jul 2025326 PMAQI
27th Jul 2025307 PMAQI
27th Jul 2025358 PMAQI
27th Jul 2025349 PMAQI
27th Jul 20253310 PMAQI
27th Jul 20253111 PMAQI
28th Jul 20253012 AMAQI
28th Jul 2025321 AMAQI
28th Jul 2025372 AMAQI
28th Jul 2025373 AMAQI
19°C12/23°C
28th Jul 2025364 AMAQI
28th Jul 2025365 AMAQI
28th Jul 2025356 AMAQI
28th Jul 2025347 AMAQI
28th Jul 2025348 AMAQI
28th Jul 2025299 AMAQI
28th Jul 20252910 AMAQI
28th Jul 20253111 AMAQI
28th Jul 20253212 PMAQI
28th Jul 2025441 PMAQI
28th Jul 2025442 PMAQI
28th Jul 2025443 PMAQI
28th Jul 2025484 PMAQI
28th Jul 2025475 PMAQI
28th Jul 2025526 PMAQI
28th Jul 2025487 PMAQI
28th Jul 2025448 PMAQI
28th Jul 2025409 PMAQI
28th Jul 20253810 PMAQI
28th Jul 20253711 PMAQI
29th Jul 20253812 AMAQI
29th Jul 2025381 AMAQI
29th Jul 2025362 AMAQI
29th Jul 2025353 AMAQI
20°C13/24°C
29th Jul 2025364 AMAQI
29th Jul 2025365 AMAQI
29th Jul 2025366 AMAQI
29th Jul 2025367 AMAQI
29th Jul 2025358 AMAQI
29th Jul 2025439 AMAQI
29th Jul 20255210 AMAQI
29th Jul 20255311 AMAQI
29th Jul 20255412 PMAQI
29th Jul 2025501 PMAQI
29th Jul 2025492 PMAQI
29th Jul 2025503 PMAQI
29th Jul 2025544 PMAQI
29th Jul 2025555 PMAQI
29th Jul 2025566 PMAQI
29th Jul 2025557 PMAQI
29th Jul 2025568 PMAQI
29th Jul 2025529 PMAQI
29th Jul 20254910 PMAQI
29th Jul 20254811 PMAQI
30th Jul 20254912 AMAQI
30th Jul 2025441 AMAQI
30th Jul 2025412 AMAQI
30th Jul 2025363 AMAQI
21°C13/26°C
30th Jul 2025384 AMAQI
30th Jul 2025405 AMAQI
30th Jul 2025406 AMAQI
30th Jul 2025407 AMAQI
30th Jul 2025408 AMAQI
30th Jul 2025499 AMAQI
30th Jul 20255810 AMAQI
30th Jul 20255411 AMAQI
30th Jul 20255512 PMAQI
30th Jul 2025571 PMAQI
30th Jul 2025562 PMAQI
30th Jul 2025543 PMAQI
30th Jul 2025524 PMAQI
30th Jul 2025555 PMAQI
30th Jul 2025576 PMAQI
30th Jul 2025567 PMAQI
30th Jul 2025568 PMAQI
30th Jul 2025549 PMAQI
30th Jul 20255410 PMAQI
30th Jul 20255211 PMAQI
31st Jul 20255012 AMAQI
31st Jul 2025461 AMAQI
31st Jul 2025422 AMAQI
31st Jul 2025423 AMAQI
22°C13/31°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 20254312 PMAQI
31st Jul 2025441 PMAQI
31st Jul 2025422 PMAQI
31st Jul 2025403 PMAQI
31st Jul 2025404 PMAQI
31st Jul 2025455 PMAQI
31st Jul 2025446 PMAQI
31st Jul 2025397 PMAQI
31st Jul 2025478 PMAQI
31st Jul 2025439 PMAQI
31st Jul 20253710 PMAQI
31st Jul 20253811 PMAQI
1st Aug 20254012 AMAQI
1st Aug 2025401 AMAQI
1st Aug 2025332 AMAQI
1st Aug 2025343 AMAQI
20°C12/26°C
1st Aug 2025374 AMAQI
1st Aug 2025355 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025367 AMAQI
1st Aug 2025398 AMAQI
1st Aug 2025449 AMAQI
1st Aug 20254410 AMAQI
1st Aug 20255211 AMAQI
1st Aug 20254912 PMAQI
1st Aug 2025571 PMAQI
1st Aug 2025452 PMAQI
1st Aug 2025463 PMAQI
1st Aug 2025564 PMAQI
1st Aug 2025545 PMAQI
1st Aug 2025546 PMAQI
1st Aug 2025527 PMAQI
1st Aug 2025478 PMAQI
1st Aug 2025459 PMAQI
1st Aug 20254410 PMAQI
1st Aug 20254111 PMAQI
2nd Aug 20254012 AMAQI
2nd Aug 2025331 AMAQI
2nd Aug 2025372 AMAQI
2nd Aug 2025383 AMAQI
20°C11/25°C
2nd Aug 2025414 AMAQI
2nd Aug 2025425 AMAQI
2nd Aug 2025426 AMAQI
2nd Aug 2025407 AMAQI
2nd Aug 2025418 AMAQI
2nd Aug 2025489 AMAQI
2nd Aug 20253910 AMAQI
2nd Aug 20254811 AMAQI
2nd Aug 20253912 PMAQI
2nd Aug 2025461 PMAQI
2nd Aug 2025512 PMAQI
2nd Aug 2025563 PMAQI
2nd Aug 2025504 PMAQI
2nd Aug 2025515 PMAQI
2nd Aug 2025536 PMAQI
2nd Aug 2025517 PMAQI
2nd Aug 2025488 PMAQI
2nd Aug 2025459 PMAQI
2nd Aug 20254510 PMAQI
2nd Aug 20254511 PMAQI
3rd Aug 20253712 AMAQI
--°C/°C
4 AM
11 AM
7 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
46AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
9 AM - 10 AM
39AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 8 AM (Avg. 46), while the lowest AQI was between 9 AM to 10 AM (Avg. 39).
Night time
Avg. Highest Time
12 AM - 11 PM
46AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
46AQI
8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 46), while the lowest AQI was between 12 AM to 11 PM (Avg. 46).
2025 Days Vs Air Quality
Ina, Nagano, Japan
2025
89%
190
11%
23
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Good
190 DaysModerate
23 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% 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
Ina, 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
30AQI
30AQI
2nd January 2025
30AQI
30AQI
3rd January 2025
29AQI
29AQI
4th January 2025
29AQI
29AQI
5th January 2025
27AQI
27AQI
6th January 2025
36AQI
36AQI
7th January 2025
29AQI
29AQI
8th January 2025
30AQI
30AQI
9th January 2025
30AQI
30AQI
10th January 2025
26AQI
26AQI
11th January 2025
28AQI
28AQI
12th January 2025
30AQI
30AQI
13th January 2025
29AQI
29AQI
14th January 2025
32AQI
32AQI
15th January 2025
32AQI
32AQI
16th January 2025
26AQI
26AQI
17th January 2025
29AQI
29AQI
18th January 2025
29AQI
29AQI
19th January 2025
34AQI
34AQI
20th January 2025
33AQI
33AQI
21st January 2025
35AQI
35AQI
22nd January 2025
37AQI
37AQI
23rd January 2025
47AQI
47AQI
24th January 2025
53AQI
53AQI
25th January 2025
40AQI
40AQI
26th January 2025
37AQI
37AQI
27th January 2025
30AQI
30AQI
28th January 2025
30AQI
30AQI
29th January 2025
34AQI
34AQI
30th January 2025
31AQI
31AQI
31st January 2025
35AQI
35AQI
1st February 2025
44AQI
44AQI
2nd February 2025
47AQI
47AQI
3rd February 2025
40AQI
40AQI
4th February 2025
37AQI
37AQI
5th February 2025
35AQI
35AQI
6th February 2025
32AQI
32AQI
7th February 2025
35AQI
35AQI
8th February 2025
31AQI
31AQI
9th February 2025
32AQI
32AQI
10th February 2025
30AQI
30AQI
11th February 2025
32AQI
32AQI
12th February 2025
30AQI
30AQI
13th February 2025
32AQI
32AQI
14th February 2025
32AQI
32AQI
15th February 2025
31AQI
31AQI
16th February 2025
42AQI
42AQI
17th February 2025
42AQI
42AQI
18th February 2025
36AQI
36AQI
19th February 2025
34AQI
34AQI
20th February 2025
31AQI
31AQI
21st February 2025
31AQI
31AQI
22nd February 2025
32AQI
32AQI
23rd February 2025
32AQI
32AQI
24th February 2025
33AQI
33AQI
25th February 2025
35AQI
35AQI
26th February 2025
36AQI
36AQI
27th February 2025
39AQI
39AQI
28th February 2025
42AQI
42AQI
1st March 2025
42AQI
42AQI
2nd March 2025
45AQI
45AQI
3rd March 2025
37AQI
37AQI
4th March 2025
35AQI
35AQI
5th March 2025
38AQI
38AQI
6th March 2025
34AQI
34AQI
7th March 2025
37AQI
37AQI
8th March 2025
35AQI
35AQI
9th March 2025
36AQI
36AQI
10th March 2025
37AQI
37AQI
11th March 2025
34AQI
34AQI
12th March 2025
31AQI
31AQI
13th March 2025
41AQI
41AQI
14th March 2025
39AQI
39AQI
15th March 2025
39AQI
39AQI
16th March 2025
29AQI
29AQI
17th March 2025
25AQI
25AQI
18th March 2025
25AQI
25AQI
19th March 2025
21AQI
21AQI
20th March 2025
28AQI
28AQI
21st March 2025
44AQI
44AQI
22nd March 2025
49AQI
49AQI
23rd March 2025
57AQI
57AQI
24th March 2025
60AQI
60AQI
25th March 2025
73AQI
73AQI
26th March 2025
94AQI
94AQI
27th March 2025
70AQI
70AQI
28th March 2025
50AQI
50AQI
29th March 2025
38AQI
38AQI
30th March 2025
38AQI
38AQI
31st March 2025
30AQI
30AQI
1st April 2025
26AQI
26AQI
2nd April 2025
23AQI
23AQI
3rd April 2025
22AQI
22AQI
4th April 2025
22AQI
22AQI
5th April 2025
29AQI
29AQI
6th April 2025
25AQI
25AQI
7th April 2025
33AQI
33AQI
8th April 2025
39AQI
39AQI
9th April 2025
28AQI
28AQI
10th April 2025
44AQI
44AQI
11th April 2025
37AQI
37AQI
12th April 2025
44AQI
44AQI
13th April 2025
27AQI
27AQI
14th April 2025
37AQI
37AQI
15th April 2025
21AQI
21AQI
16th April 2025
31AQI
31AQI
17th April 2025
43AQI
43AQI
18th April 2025
52AQI
52AQI
19th April 2025
67AQI
67AQI
20th April 2025
54AQI
54AQI
21st April 2025
42AQI
42AQI
22nd April 2025
47AQI
47AQI
23rd April 2025
28AQI
28AQI
24th April 2025
30AQI
30AQI
25th April 2025
38AQI
38AQI
26th April 2025
44AQI
44AQI
27th April 2025
46AQI
46AQI
28th April 2025
45AQI
45AQI
29th April 2025
39AQI
39AQI
30th April 2025
51AQI
51AQI
1st May 2025
45AQI
45AQI
2nd May 2025
34AQI
34AQI
3rd May 2025
34AQI
34AQI
4th May 2025
36AQI
36AQI
5th May 2025
39AQI
39AQI
6th May 2025
30AQI
30AQI
7th May 2025
29AQI
29AQI
8th May 2025
34AQI
34AQI
9th May 2025
30AQI
30AQI
10th May 2025
25AQI
25AQI
11th May 2025
25AQI
25AQI
12th May 2025
28AQI
28AQI
13th May 2025
37AQI
37AQI
14th May 2025
44AQI
44AQI
15th May 2025
48AQI
48AQI
16th May 2025
49AQI
49AQI
17th May 2025
33AQI
33AQI
18th May 2025
47AQI
47AQI
19th May 2025
44AQI
44AQI
20th May 2025
62AQI
62AQI
21st May 2025
64AQI
64AQI
22nd May 2025
50AQI
50AQI
23rd May 2025
54AQI
54AQI
24th May 2025
48AQI
48AQI
25th May 2025
35AQI
35AQI
26th May 2025
32AQI
32AQI
27th May 2025
31AQI
31AQI
28th May 2025
27AQI
27AQI
29th May 2025
36AQI
36AQI
30th May 2025
24AQI
24AQI
31st May 2025
22AQI
22AQI
1st June 2025
21AQI
21AQI
2nd June 2025
32AQI
32AQI
3rd June 2025
26AQI
26AQI
4th June 2025
30AQI
30AQI
5th June 2025
35AQI
35AQI
6th June 2025
43AQI
43AQI
7th June 2025
49AQI
49AQI
8th June 2025
55AQI
55AQI
9th June 2025
55AQI
55AQI
10th June 2025
33AQI
33AQI
11th June 2025
28AQI
28AQI
12th June 2025
37AQI
37AQI
13th June 2025
46AQI
46AQI
14th June 2025
46AQI
46AQI
15th June 2025
40AQI
40AQI
16th June 2025
34AQI
34AQI
17th June 2025
39AQI
39AQI
18th June 2025
45AQI
45AQI
19th June 2025
49AQI
49AQI
20th June 2025
54AQI
54AQI
21st June 2025
51AQI
51AQI
22nd June 2025
48AQI
48AQI
23rd June 2025
38AQI
38AQI
24th June 2025
37AQI
37AQI
25th June 2025
35AQI
35AQI
26th June 2025
32AQI
32AQI
27th June 2025
35AQI
35AQI
28th June 2025
37AQI
37AQI
29th June 2025
42AQI
42AQI
30th June 2025
47AQI
47AQI
1st July 2025
50AQI
50AQI
2nd July 2025
48AQI
48AQI
3rd July 2025
48AQI
48AQI
4th July 2025
50AQI
50AQI
5th July 2025
58AQI
58AQI
6th July 2025
54AQI
54AQI
7th July 2025
58AQI
58AQI
8th July 2025
59AQI
59AQI
9th July 2025
64AQI
64AQI
10th July 2025
61AQI
61AQI
11th July 2025
48AQI
48AQI
12th July 2025
49AQI
49AQI
13th July 2025
49AQI
49AQI
14th July 2025
45AQI
45AQI
15th July 2025
39AQI
39AQI
16th July 2025
45AQI
45AQI
17th July 2025
38AQI
38AQI
18th July 2025
37AQI
37AQI
19th July 2025
33AQI
33AQI
20th July 2025
33AQI
33AQI
21st July 2025
36AQI
36AQI
22nd July 2025
38AQI
38AQI
23rd July 2025
42AQI
42AQI
24th July 2025
43AQI
43AQI
25th July 2025
36AQI
36AQI
26th July 2025
32AQI
32AQI
27th July 2025
32AQI
32AQI
28th July 2025
39AQI
39AQI
29th July 2025
46AQI
46AQI
30th July 2025
49AQI
49AQI
31st July 2025
43AQI
43AQI
1st August 2025
43AQI
43AQI
32AQI
35AQI
42AQI
37AQI
38AQI
40AQI
45AQI
43AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202539AQI
30
1
28
26
5
26
4
28
3
26
4
25
6
1
190
23
Highest AQI recorded in
July45AQI
Lowest AQI recorded in
January32AQI
202433AQI
31
29
29
2
22
8
31
25
5
31
29
2
27
3
31
30
31
346
20
Highest AQI recorded in
April44AQI
Lowest AQI recorded in
October25AQI
202335AQI
31
28
29
2
24
6
29
2
29
1
25
6
30
1
30
31
27
2
30
1
343
21
Highest AQI recorded in
April45AQI
Lowest AQI recorded in
October28AQI
202235AQI
31
20
1
27
4
24
6
24
7
26
4
22
2
1
26
2
31
29
1
31
292
27
Highest AQI recorded in
May43AQI
Lowest AQI recorded in
August23AQI
202131AQI
30
1
26
2
28
1
20
1
30
1
25
5
29
2
31
30
31
30
31
341
13
Highest AQI recorded in
June41AQI
Lowest AQI recorded in
January24AQI
202029AQI
12
1
19
2
18
25
5
31
19
11
1
19
31
30
31
235
19
1
Highest AQI recorded in
August48AQI
Lowest AQI recorded in
July21AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
39AQILeast Polluted Year Recorded
2020(Avg.)
29AQIIna's annual 2025 AQI (39) shows an average percentage change of 19.6% (worsened AQI) compared to previous years: 2020 (29), 2021 (31), 2022 (35), 2023 (35), 2024 (33).
