Naganohara, Gunma, 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
Naganohara, Gunma, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2024
74AQILowest AQI recorded on
30th Aug 2024
10AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 41 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Naganohara, Gunma, Japan
AQI
Day
Night
.
4 AM2nd Aug 2025
7 PM
3 AM3rd Aug 2025
Day time
Avg. Highest Time
9AM2nd Aug
50AQI
Avg. Lowest Time
12PM2nd Aug
38AQI
Night time
Avg. Highest Time
7PM2nd Aug
48AQI
Avg. Lowest Time
12AM3rd Aug
36AQI
In the last 24 hours,
Naganohara's AQI reached its highest point of 50 at 9 AM during the Day, while the lowest point, 36, was recorded at 12 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Naganohara, Gunma, 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 2025574 AMAQI
4th Jul 2025575 AMAQI
4th Jul 2025576 AMAQI
4th Jul 2025577 AMAQI
4th Jul 2025588 AMAQI
4th Jul 2025609 AMAQI
4th Jul 20256210 AMAQI
4th Jul 20256411 AMAQI
4th Jul 20256712 PMAQI
4th Jul 2025651 PMAQI
4th Jul 2025632 PMAQI
4th Jul 2025683 PMAQI
4th Jul 2025704 PMAQI
4th Jul 2025665 PMAQI
4th Jul 2025626 PMAQI
4th Jul 2025597 PMAQI
4th Jul 2025618 PMAQI
4th Jul 2025569 PMAQI
4th Jul 20255710 PMAQI
4th Jul 20255711 PMAQI
5th Jul 20255612 AMAQI
5th Jul 2025581 AMAQI
5th Jul 2025562 AMAQI
5th Jul 2025563 AMAQI
22°C19/28°C
5th Jul 2025574 AMAQI
5th Jul 2025575 AMAQI
5th Jul 2025576 AMAQI
5th Jul 2025577 AMAQI
5th Jul 2025568 AMAQI
5th Jul 2025579 AMAQI
5th Jul 20255810 AMAQI
5th Jul 20256111 AMAQI
5th Jul 20255912 PMAQI
5th Jul 2025581 PMAQI
5th Jul 2025592 PMAQI
5th Jul 2025623 PMAQI
5th Jul 2025644 PMAQI
5th Jul 2025665 PMAQI
5th Jul 2025666 PMAQI
5th Jul 2025677 PMAQI
5th Jul 2025668 PMAQI
5th Jul 2025619 PMAQI
5th Jul 20256210 PMAQI
5th Jul 20256011 PMAQI
6th Jul 20256012 AMAQI
6th Jul 2025581 AMAQI
6th Jul 2025572 AMAQI
6th Jul 2025573 AMAQI
20°C17/25°C
6th Jul 2025584 AMAQI
6th Jul 2025575 AMAQI
6th Jul 2025576 AMAQI
6th Jul 2025567 AMAQI
6th Jul 2025568 AMAQI
6th Jul 2025569 AMAQI
6th Jul 20255610 AMAQI
6th Jul 20255411 AMAQI
6th Jul 20255612 PMAQI
6th Jul 2025551 PMAQI
6th Jul 2025552 PMAQI
6th Jul 2025563 PMAQI
6th Jul 2025584 PMAQI
6th Jul 2025575 PMAQI
6th Jul 2025606 PMAQI
6th Jul 2025607 PMAQI
6th Jul 2025598 PMAQI
6th Jul 2025589 PMAQI
6th Jul 20255710 PMAQI
6th Jul 20255711 PMAQI
7th Jul 20255712 AMAQI
7th Jul 2025601 AMAQI
7th Jul 2025592 AMAQI
7th Jul 2025583 AMAQI
22°C17/27°C
7th Jul 2025604 AMAQI
7th Jul 2025605 AMAQI
7th Jul 2025616 AMAQI
7th Jul 2025607 AMAQI
7th Jul 2025598 AMAQI
7th Jul 2025599 AMAQI
7th Jul 20256010 AMAQI
7th Jul 20256111 AMAQI
7th Jul 20256212 PMAQI
7th Jul 2025601 PMAQI
7th Jul 2025602 PMAQI
7th Jul 2025623 PMAQI
7th Jul 2025604 PMAQI
7th Jul 2025605 PMAQI
7th Jul 2025626 PMAQI
7th Jul 2025627 PMAQI
7th Jul 2025628 PMAQI
7th Jul 2025609 PMAQI
7th Jul 20256010 PMAQI
7th Jul 20256011 PMAQI
8th Jul 20255912 AMAQI
8th Jul 2025591 AMAQI
8th Jul 2025582 AMAQI
8th Jul 2025583 AMAQI
22°C17/26°C
8th Jul 2025594 AMAQI
8th Jul 2025605 AMAQI
8th Jul 2025606 AMAQI
8th Jul 2025597 AMAQI
8th Jul 2025608 AMAQI
8th Jul 2025739 AMAQI
8th Jul 20258510 AMAQI
8th Jul 20258611 AMAQI
8th Jul 20258412 PMAQI
8th Jul 2025761 PMAQI
8th Jul 2025742 PMAQI
8th Jul 2025743 PMAQI
8th Jul 2025754 PMAQI
8th Jul 2025765 PMAQI
8th Jul 2025726 PMAQI
8th Jul 2025707 PMAQI
8th Jul 2025678 PMAQI
8th Jul 2025619 PMAQI
8th Jul 20256010 PMAQI
8th Jul 20256011 PMAQI
9th Jul 20256012 AMAQI
9th Jul 2025591 AMAQI
9th Jul 2025592 AMAQI
9th Jul 2025593 AMAQI
22°C18/25°C
9th Jul 2025584 AMAQI
9th Jul 2025595 AMAQI
9th Jul 2025596 AMAQI
9th Jul 2025597 AMAQI
9th Jul 2025598 AMAQI
9th Jul 2025709 AMAQI
9th Jul 20257510 AMAQI
9th Jul 20257211 AMAQI
9th Jul 20257112 PMAQI
9th Jul 2025681 PMAQI
9th Jul 2025692 PMAQI
9th Jul 2025693 PMAQI
9th Jul 2025724 PMAQI
9th Jul 2025705 PMAQI
9th Jul 2025686 PMAQI
9th Jul 2025677 PMAQI
9th Jul 2025668 PMAQI
9th Jul 2025629 PMAQI
9th Jul 20256110 PMAQI
9th Jul 20256011 PMAQI
10th Jul 20256012 AMAQI
10th Jul 2025601 AMAQI
10th Jul 2025602 AMAQI
10th Jul 2025593 AMAQI
22°C17/25°C
10th Jul 2025604 AMAQI
10th Jul 2025605 AMAQI
10th Jul 2025606 AMAQI
10th Jul 2025607 AMAQI
10th Jul 2025608 AMAQI
10th Jul 2025629 AMAQI
10th Jul 20256510 AMAQI
10th Jul 20257111 AMAQI
10th Jul 20257612 PMAQI
10th Jul 2025661 PMAQI
10th Jul 2025622 PMAQI
10th Jul 2025583 PMAQI
10th Jul 2025584 PMAQI
10th Jul 2025595 PMAQI
10th Jul 2025556 PMAQI
10th Jul 2025507 PMAQI
10th Jul 2025508 PMAQI
10th Jul 2025589 PMAQI
10th Jul 20255610 PMAQI
10th Jul 20255611 PMAQI
11th Jul 20255612 AMAQI
11th Jul 2025581 AMAQI
11th Jul 2025602 AMAQI
11th Jul 2025603 AMAQI
20°C17/24°C
11th Jul 2025604 AMAQI
11th Jul 2025605 AMAQI
11th Jul 2025606 AMAQI
11th Jul 2025607 AMAQI
11th Jul 2025608 AMAQI
11th Jul 2025289 AMAQI
11th Jul 20251610 AMAQI
11th Jul 20251611 AMAQI
11th Jul 20252112 PMAQI
11th Jul 2025351 PMAQI
11th Jul 2025372 PMAQI
11th Jul 2025383 PMAQI
11th Jul 2025404 PMAQI
11th Jul 2025405 PMAQI
11th Jul 2025416 PMAQI
11th Jul 2025407 PMAQI
11th Jul 2025468 PMAQI
11th Jul 2025559 PMAQI
11th Jul 20255610 PMAQI
11th Jul 20255511 PMAQI
12th Jul 20255512 AMAQI
12th Jul 2025561 AMAQI
12th Jul 2025572 AMAQI
12th Jul 2025583 AMAQI
18°C15/21°C
12th Jul 2025574 AMAQI
12th Jul 2025565 AMAQI
12th Jul 2025566 AMAQI
12th Jul 2025567 AMAQI
12th Jul 2025568 AMAQI
12th Jul 2025289 AMAQI
12th Jul 20251910 AMAQI
12th Jul 20252411 AMAQI
12th Jul 20252812 PMAQI
12th Jul 2025401 PMAQI
12th Jul 2025422 PMAQI
12th Jul 2025433 PMAQI
12th Jul 2025414 PMAQI
12th Jul 2025445 PMAQI
12th Jul 2025446 PMAQI
12th Jul 2025467 PMAQI
12th Jul 2025478 PMAQI
12th Jul 2025549 PMAQI
12th Jul 20255410 PMAQI
12th Jul 20255411 PMAQI
13th Jul 20255412 AMAQI
13th Jul 2025551 AMAQI
13th Jul 2025562 AMAQI
13th Jul 2025563 AMAQI
20°C14/25°C
13th Jul 2025564 AMAQI
13th Jul 2025545 AMAQI
13th Jul 2025546 AMAQI
13th Jul 2025547 AMAQI
13th Jul 2025548 AMAQI
13th Jul 2025399 AMAQI
13th Jul 20252410 AMAQI
13th Jul 20253011 AMAQI
13th Jul 20253612 PMAQI
13th Jul 2025421 PMAQI
13th Jul 2025452 PMAQI
13th Jul 2025423 PMAQI
13th Jul 2025454 PMAQI
13th Jul 2025505 PMAQI
13th Jul 2025506 PMAQI
13th Jul 2025527 PMAQI
13th Jul 2025528 PMAQI
13th Jul 2025549 PMAQI
13th Jul 20255410 PMAQI
13th Jul 20255411 PMAQI
14th Jul 20255412 AMAQI
14th Jul 2025541 AMAQI
14th Jul 2025542 AMAQI
14th Jul 2025553 AMAQI
21°C15/28°C
14th Jul 2025544 AMAQI
14th Jul 2025545 AMAQI
14th Jul 2025546 AMAQI
14th Jul 2025547 AMAQI
14th Jul 2025548 AMAQI
14th Jul 2025319 AMAQI
14th Jul 20252110 AMAQI
14th Jul 20251811 AMAQI
14th Jul 20252012 PMAQI
14th Jul 2025281 PMAQI
14th Jul 2025302 PMAQI
14th Jul 2025333 PMAQI
14th Jul 2025364 PMAQI
14th Jul 2025385 PMAQI
14th Jul 2025366 PMAQI
14th Jul 2025377 PMAQI
14th Jul 2025378 PMAQI
14th Jul 2025529 PMAQI
14th Jul 20255210 PMAQI
14th Jul 20255111 PMAQI
15th Jul 20255212 AMAQI
15th Jul 2025531 AMAQI
15th Jul 2025532 AMAQI
15th Jul 2025543 AMAQI
21°C18/26°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 20251910 AMAQI
15th Jul 20252211 AMAQI
15th Jul 20252412 PMAQI
15th Jul 2025321 PMAQI
15th Jul 2025342 PMAQI
15th Jul 2025363 PMAQI
15th Jul 2025374 PMAQI
15th Jul 2025365 PMAQI
15th Jul 2025386 PMAQI
15th Jul 2025407 PMAQI
15th Jul 2025408 PMAQI
15th Jul 2025529 PMAQI
15th Jul 20255210 PMAQI
15th Jul 20255111 PMAQI
16th Jul 20255212 AMAQI
16th Jul 2025511 AMAQI
16th Jul 2025522 AMAQI
16th Jul 2025523 AMAQI
19°C17/21°C
16th Jul 2025524 AMAQI
16th Jul 2025495 AMAQI
16th Jul 2025516 AMAQI
16th Jul 2025517 AMAQI
16th Jul 2025508 AMAQI
16th Jul 2025409 AMAQI
16th Jul 20254110 AMAQI
16th Jul 20254111 AMAQI
16th Jul 20254312 PMAQI
16th Jul 2025481 PMAQI
16th Jul 2025522 PMAQI
16th Jul 2025543 PMAQI
16th Jul 2025534 PMAQI
16th Jul 2025535 PMAQI
16th Jul 2025516 PMAQI
16th Jul 2025497 PMAQI
16th Jul 2025498 PMAQI
16th Jul 2025489 PMAQI
16th Jul 20255010 PMAQI
16th Jul 20255011 PMAQI
17th Jul 20254912 AMAQI
17th Jul 2025501 AMAQI
17th Jul 2025492 AMAQI
17th Jul 2025493 AMAQI
20°C15/25°C
17th Jul 2025504 AMAQI
17th Jul 2025525 AMAQI
17th Jul 2025526 AMAQI
17th Jul 2025527 AMAQI
17th Jul 2025518 AMAQI
17th Jul 2025259 AMAQI
17th Jul 20251610 AMAQI
17th Jul 20251711 AMAQI
17th Jul 20251812 PMAQI
17th Jul 2025321 PMAQI
17th Jul 2025322 PMAQI
17th Jul 2025353 PMAQI
17th Jul 2025364 PMAQI
17th Jul 2025345 PMAQI
17th Jul 2025356 PMAQI
17th Jul 2025357 PMAQI
17th Jul 2025388 PMAQI
17th Jul 2025459 PMAQI
17th Jul 20254410 PMAQI
17th Jul 20254511 PMAQI
18th Jul 20254612 AMAQI
18th Jul 2025481 AMAQI
18th Jul 2025502 AMAQI
18th Jul 2025513 AMAQI
18°C16/20°C
18th Jul 2025504 AMAQI
18th Jul 2025485 AMAQI
18th Jul 2025496 AMAQI
18th Jul 2025487 AMAQI
18th Jul 2025488 AMAQI
18th Jul 2025279 AMAQI
18th Jul 20252510 AMAQI
18th Jul 20252211 AMAQI
18th Jul 20252812 PMAQI
18th Jul 2025341 PMAQI
18th Jul 2025372 PMAQI
18th Jul 2025393 PMAQI
18th Jul 2025394 PMAQI
18th Jul 2025395 PMAQI
18th Jul 2025436 PMAQI
18th Jul 2025437 PMAQI
18th Jul 2025438 PMAQI
18th Jul 2025449 PMAQI
18th Jul 20254410 PMAQI
18th Jul 20254311 PMAQI
19th Jul 20254512 AMAQI
19th Jul 2025451 AMAQI
19th Jul 2025472 AMAQI
19th Jul 2025473 AMAQI
20°C14/25°C
19th Jul 2025464 AMAQI
19th Jul 2025435 AMAQI
19th Jul 2025446 AMAQI
19th Jul 2025437 AMAQI
19th Jul 2025448 AMAQI
19th Jul 2025329 AMAQI
19th Jul 20252610 AMAQI
19th Jul 20253011 AMAQI
19th Jul 20253412 PMAQI
19th Jul 2025361 PMAQI
19th Jul 2025392 PMAQI
19th Jul 2025373 PMAQI
19th Jul 2025384 PMAQI
19th Jul 2025465 PMAQI
19th Jul 2025466 PMAQI
19th Jul 2025427 PMAQI
19th Jul 2025488 PMAQI
19th Jul 2025459 PMAQI
19th Jul 20254410 PMAQI
19th Jul 20254411 PMAQI
20th Jul 20254612 AMAQI
20th Jul 2025441 AMAQI
20th Jul 2025442 AMAQI
20th Jul 2025443 AMAQI
21°C16/26°C
20th Jul 2025454 AMAQI
20th Jul 2025425 AMAQI
20th Jul 2025426 AMAQI
20th Jul 2025427 AMAQI
20th Jul 2025428 AMAQI
20th Jul 2025379 AMAQI
20th Jul 20253410 AMAQI
20th Jul 20253511 AMAQI
20th Jul 20253512 PMAQI
20th Jul 2025321 PMAQI
20th Jul 2025382 PMAQI
20th Jul 2025443 PMAQI
20th Jul 2025454 PMAQI
20th Jul 2025495 PMAQI
20th Jul 2025476 PMAQI
20th Jul 2025427 PMAQI
20th Jul 2025428 PMAQI
20th Jul 2025449 PMAQI
20th Jul 20254410 PMAQI
20th Jul 20254211 PMAQI
21st Jul 20254312 AMAQI
21st Jul 2025421 AMAQI
21st Jul 2025422 AMAQI
21st Jul 2025433 AMAQI
22°C16/28°C
21st Jul 2025434 AMAQI
21st Jul 2025425 AMAQI
21st Jul 2025436 AMAQI
21st Jul 2025427 AMAQI
21st Jul 2025428 AMAQI
21st Jul 2025369 AMAQI
21st Jul 20253610 AMAQI
21st Jul 20253411 AMAQI
21st Jul 20254412 PMAQI
21st Jul 2025471 PMAQI
21st Jul 2025512 PMAQI
21st Jul 2025473 PMAQI
21st Jul 2025454 PMAQI
21st Jul 2025405 PMAQI
21st Jul 2025346 PMAQI
21st Jul 2025387 PMAQI
21st Jul 2025408 PMAQI
21st Jul 2025429 PMAQI
21st Jul 20254410 PMAQI
21st Jul 20254411 PMAQI
22nd Jul 20254212 AMAQI
22nd Jul 2025421 AMAQI
22nd Jul 2025422 AMAQI
22nd Jul 2025433 AMAQI
22°C17/27°C
22nd Jul 2025424 AMAQI
22nd Jul 2025425 AMAQI
22nd Jul 2025416 AMAQI
22nd Jul 2025417 AMAQI
22nd Jul 2025428 AMAQI
22nd Jul 2025479 AMAQI
22nd Jul 20255010 AMAQI
22nd Jul 20254811 AMAQI
22nd Jul 20255112 PMAQI
22nd Jul 2025561 PMAQI
22nd Jul 2025592 PMAQI
22nd Jul 2025573 PMAQI
22nd Jul 2025504 PMAQI
22nd Jul 2025505 PMAQI
22nd Jul 2025506 PMAQI
22nd Jul 2025447 PMAQI
22nd Jul 2025468 PMAQI
22nd Jul 2025479 PMAQI
22nd Jul 20254510 PMAQI
22nd Jul 20254611 PMAQI
23rd Jul 20254912 AMAQI
23rd Jul 2025411 AMAQI
23rd Jul 2025402 AMAQI
23rd Jul 2025403 AMAQI
22°C18/27°C
23rd Jul 2025414 AMAQI
23rd Jul 2025425 AMAQI
23rd Jul 2025426 AMAQI
23rd Jul 2025427 AMAQI
23rd Jul 2025428 AMAQI
23rd Jul 2025449 AMAQI
23rd Jul 20254910 AMAQI
23rd Jul 20254811 AMAQI
23rd Jul 20254612 PMAQI
23rd Jul 2025511 PMAQI
23rd Jul 2025492 PMAQI
23rd Jul 2025543 PMAQI
23rd Jul 2025544 PMAQI
23rd Jul 2025545 PMAQI
23rd Jul 2025536 PMAQI
23rd Jul 2025547 PMAQI
23rd Jul 2025538 PMAQI
23rd Jul 2025489 PMAQI
23rd Jul 20254710 PMAQI
23rd Jul 20254511 PMAQI
24th Jul 20254212 AMAQI
24th Jul 2025411 AMAQI
24th Jul 2025412 AMAQI
24th Jul 2025413 AMAQI
21°C17/26°C
24th Jul 2025414 AMAQI
24th Jul 2025425 AMAQI
24th Jul 2025426 AMAQI
24th Jul 2025407 AMAQI
24th Jul 2025408 AMAQI
24th Jul 2025399 AMAQI
24th Jul 20255110 AMAQI
24th Jul 20254911 AMAQI
24th Jul 20255312 PMAQI
24th Jul 2025491 PMAQI
24th Jul 2025542 PMAQI
24th Jul 2025583 PMAQI
24th Jul 2025514 PMAQI
24th Jul 2025475 PMAQI
24th Jul 2025506 PMAQI
24th Jul 2025487 PMAQI
24th Jul 2025468 PMAQI
24th Jul 2025459 PMAQI
24th Jul 20254910 PMAQI
24th Jul 20255011 PMAQI
25th Jul 20254812 AMAQI
25th Jul 2025391 AMAQI
25th Jul 2025392 AMAQI
25th Jul 2025393 AMAQI
22°C17/27°C
25th Jul 2025414 AMAQI
25th Jul 2025425 AMAQI
25th Jul 2025426 AMAQI
25th Jul 2025427 AMAQI
25th Jul 2025428 AMAQI
25th Jul 2025489 AMAQI
25th Jul 20255310 AMAQI
25th Jul 20255211 AMAQI
25th Jul 20255312 PMAQI
25th Jul 2025541 PMAQI
25th Jul 2025572 PMAQI
25th Jul 2025503 PMAQI
25th Jul 2025384 PMAQI
25th Jul 2025485 PMAQI
25th Jul 2025486 PMAQI
25th Jul 2025477 PMAQI
25th Jul 2025518 PMAQI
25th Jul 2025519 PMAQI
25th Jul 20255110 PMAQI
25th Jul 20255211 PMAQI
26th Jul 20255012 AMAQI
26th Jul 2025451 AMAQI
26th Jul 2025422 AMAQI
26th Jul 2025433 AMAQI
21°C15/27°C
26th Jul 2025444 AMAQI
26th Jul 2025455 AMAQI
26th Jul 2025456 AMAQI
26th Jul 2025457 AMAQI
26th Jul 2025468 AMAQI
26th Jul 2025499 AMAQI
26th Jul 20255410 AMAQI
26th Jul 20255411 AMAQI
26th Jul 20255412 PMAQI
26th Jul 2025541 PMAQI
26th Jul 2025542 PMAQI
26th Jul 2025473 PMAQI
26th Jul 2025424 PMAQI
26th Jul 2025405 PMAQI
26th Jul 2025416 PMAQI
26th Jul 2025427 PMAQI
26th Jul 2025448 PMAQI
26th Jul 2025449 PMAQI
26th Jul 20254510 PMAQI
26th Jul 20254411 PMAQI
27th Jul 20254612 AMAQI
27th Jul 2025421 AMAQI
27th Jul 2025442 AMAQI
27th Jul 2025463 AMAQI
21°C17/28°C
27th Jul 2025464 AMAQI
27th Jul 2025475 AMAQI
27th Jul 2025476 AMAQI
27th Jul 2025477 AMAQI
27th Jul 2025478 AMAQI
27th Jul 2025429 AMAQI
27th Jul 20254710 AMAQI
27th Jul 20254711 AMAQI
27th Jul 20254612 PMAQI
27th Jul 2025481 PMAQI
27th Jul 2025522 PMAQI
27th Jul 2025493 PMAQI
27th Jul 2025444 PMAQI
27th Jul 2025485 PMAQI
27th Jul 2025526 PMAQI
27th Jul 2025557 PMAQI
27th Jul 2025508 PMAQI
27th Jul 2025489 PMAQI
27th Jul 20255010 PMAQI
27th Jul 20255011 PMAQI
28th Jul 20255012 AMAQI
28th Jul 2025421 AMAQI
28th Jul 2025452 AMAQI
28th Jul 2025463 AMAQI
22°C17/27°C
28th Jul 2025464 AMAQI
28th Jul 2025465 AMAQI
28th Jul 2025466 AMAQI
28th Jul 2025457 AMAQI
28th Jul 2025448 AMAQI
28th Jul 2025399 AMAQI
28th Jul 20254010 AMAQI
28th Jul 20254011 AMAQI
28th Jul 20253512 PMAQI
28th Jul 2025341 PMAQI
28th Jul 2025402 PMAQI
28th Jul 2025443 PMAQI
28th Jul 2025454 PMAQI
28th Jul 2025525 PMAQI
28th Jul 2025536 PMAQI
28th Jul 2025537 PMAQI
28th Jul 2025518 PMAQI
28th Jul 2025479 PMAQI
28th Jul 20254610 PMAQI
28th Jul 20254811 PMAQI
29th Jul 20254712 AMAQI
29th Jul 2025421 AMAQI
29th Jul 2025452 AMAQI
29th Jul 2025443 AMAQI
22°C17/27°C
29th Jul 2025444 AMAQI
29th Jul 2025445 AMAQI
29th Jul 2025446 AMAQI
29th Jul 2025447 AMAQI
29th Jul 2025448 AMAQI
29th Jul 2025519 AMAQI
29th Jul 20255010 AMAQI
29th Jul 20254511 AMAQI
29th Jul 20254712 PMAQI
29th Jul 2025511 PMAQI
29th Jul 2025482 PMAQI
29th Jul 2025513 PMAQI
29th Jul 2025524 PMAQI
29th Jul 2025525 PMAQI
29th Jul 2025536 PMAQI
29th Jul 2025537 PMAQI
29th Jul 2025508 PMAQI
29th Jul 2025469 PMAQI
29th Jul 20254510 PMAQI
29th Jul 20254411 PMAQI
30th Jul 20253912 AMAQI
30th Jul 2025421 AMAQI
30th Jul 2025442 AMAQI
30th Jul 2025453 AMAQI
23°C19/29°C
30th Jul 2025454 AMAQI
30th Jul 2025475 AMAQI
30th Jul 2025476 AMAQI
30th Jul 2025477 AMAQI
30th Jul 2025488 AMAQI
30th Jul 2025469 AMAQI
30th Jul 20255110 AMAQI
30th Jul 20254911 AMAQI
30th Jul 20254812 PMAQI
30th Jul 2025501 PMAQI
30th Jul 2025462 PMAQI
30th Jul 2025513 PMAQI
30th Jul 2025494 PMAQI
30th Jul 2025505 PMAQI
30th Jul 2025446 PMAQI
30th Jul 2025387 PMAQI
30th Jul 2025388 PMAQI
30th Jul 2025389 PMAQI
30th Jul 20254010 PMAQI
30th Jul 20254211 PMAQI
31st Jul 20254312 AMAQI
31st Jul 2025441 AMAQI
31st Jul 2025462 AMAQI
31st Jul 2025453 AMAQI
22°C17/27°C
31st Jul 2025434 AMAQI
31st Jul 2025435 AMAQI
31st Jul 2025436 AMAQI
31st Jul 2025437 AMAQI
31st Jul 2025438 AMAQI
31st Jul 2025439 AMAQI
31st Jul 20254310 AMAQI
31st Jul 20253911 AMAQI
31st Jul 20254012 PMAQI
31st Jul 2025411 PMAQI
31st Jul 2025422 PMAQI
31st Jul 2025453 PMAQI
31st Jul 2025504 PMAQI
31st Jul 2025505 PMAQI
31st Jul 2025526 PMAQI
31st Jul 2025507 PMAQI
31st Jul 2025458 PMAQI
31st Jul 2025519 PMAQI
31st Jul 20254310 PMAQI
31st Jul 20254211 PMAQI
1st Aug 20254212 AMAQI
1st Aug 2025461 AMAQI
1st Aug 2025402 AMAQI
1st Aug 2025423 AMAQI
21°C16/26°C
1st Aug 2025404 AMAQI
1st Aug 2025395 AMAQI
1st Aug 2025406 AMAQI
1st Aug 2025407 AMAQI
1st Aug 2025378 AMAQI
1st Aug 2025269 AMAQI
1st Aug 20254510 AMAQI
1st Aug 20254111 AMAQI
1st Aug 20254512 PMAQI
1st Aug 2025561 PMAQI
1st Aug 2025412 PMAQI
1st Aug 2025383 PMAQI
1st Aug 2025444 PMAQI
1st Aug 2025455 PMAQI
1st Aug 2025536 PMAQI
1st Aug 2025457 PMAQI
1st Aug 2025398 PMAQI
1st Aug 2025429 PMAQI
1st Aug 20253810 PMAQI
1st Aug 20253611 PMAQI
2nd Aug 20253512 AMAQI
2nd Aug 2025361 AMAQI
2nd Aug 2025422 AMAQI
2nd Aug 2025423 AMAQI
20°C15/24°C
2nd Aug 2025424 AMAQI
2nd Aug 2025415 AMAQI
2nd Aug 2025416 AMAQI
2nd Aug 2025407 AMAQI
2nd Aug 2025428 AMAQI
2nd Aug 2025509 AMAQI
2nd Aug 20253810 AMAQI
2nd Aug 20255011 AMAQI
2nd Aug 20253812 PMAQI
2nd Aug 2025451 PMAQI
2nd Aug 2025492 PMAQI
2nd Aug 2025493 PMAQI
2nd Aug 2025464 PMAQI
2nd Aug 2025465 PMAQI
2nd Aug 2025506 PMAQI
2nd Aug 2025487 PMAQI
2nd Aug 2025478 PMAQI
2nd Aug 2025449 PMAQI
2nd Aug 20254810 PMAQI
2nd Aug 20253911 PMAQI
3rd Aug 20253612 AMAQI
3rd Aug 2025381 AMAQI
3rd Aug 2025422 AMAQI
3rd Aug 2025403 AMAQI
22°C17/28°C
3rd Aug 2025424 AMAQI
4 AM3rd Aug 2025435 AMAQI
3rd Aug 2025426 AMAQI
3rd Aug 2025397 AMAQI
3rd Aug 2025438 AMAQI
3rd Aug 2025439 AMAQI
3rd Aug 20255310 AMAQI
3rd Aug 20254711 AMAQI
11 AM3rd Aug 20255912 PMAQI
3rd Aug 2025561 PMAQI
3rd Aug 2025532 PMAQI
3rd Aug 2025513 PMAQI
3rd Aug 2025564 PMAQI
3rd Aug 2025585 PMAQI
3rd Aug 2025546 PMAQI
7 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 7 PM
48AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
9 AM - 7 PM
48AQI
11 hours / Day
330 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 7 PM (Avg. 48), while the lowest AQI was between 9 AM to 7 PM (Avg. 48).
Night time
Avg. Highest Time
12 AM - 11 PM
49AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
49AQI
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. 49), while the lowest AQI was between 12 AM to 11 PM (Avg. 49).
2025 Days Vs Air Quality
Naganohara, Gunma, Japan
2025
83%
178
17%
36
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
178 DaysModerate
36 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2025, 83% of 215 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
Naganohara, Gunma, 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
34AQI
34AQI
2nd January 2025
34AQI
34AQI
3rd January 2025
31AQI
31AQI
4th January 2025
29AQI
29AQI
5th January 2025
30AQI
30AQI
6th January 2025
35AQI
35AQI
7th January 2025
32AQI
32AQI
8th January 2025
31AQI
31AQI
9th January 2025
29AQI
29AQI
10th January 2025
27AQI
27AQI
11th January 2025
27AQI
27AQI
12th January 2025
28AQI
28AQI
13th January 2025
30AQI
30AQI
14th January 2025
32AQI
32AQI
15th January 2025
32AQI
32AQI
16th January 2025
30AQI
30AQI
17th January 2025
30AQI
30AQI
18th January 2025
29AQI
29AQI
19th January 2025
38AQI
38AQI
20th January 2025
34AQI
34AQI
21st January 2025
39AQI
39AQI
22nd January 2025
37AQI
37AQI
23rd January 2025
48AQI
48AQI
24th January 2025
50AQI
50AQI
25th January 2025
39AQI
39AQI
26th January 2025
38AQI
38AQI
27th January 2025
33AQI
33AQI
28th January 2025
33AQI
33AQI
29th January 2025
32AQI
32AQI
30th January 2025
32AQI
32AQI
31st January 2025
36AQI
36AQI
1st February 2025
44AQI
44AQI
2nd February 2025
45AQI
45AQI
3rd February 2025
46AQI
46AQI
4th February 2025
36AQI
36AQI
5th February 2025
36AQI
36AQI
6th February 2025
32AQI
32AQI
7th February 2025
33AQI
33AQI
8th February 2025
31AQI
31AQI
9th February 2025
31AQI
31AQI
10th February 2025
31AQI
31AQI
11th February 2025
34AQI
34AQI
12th February 2025
31AQI
31AQI
13th February 2025
32AQI
32AQI
14th February 2025
32AQI
32AQI
15th February 2025
32AQI
32AQI
16th February 2025
36AQI
36AQI
17th February 2025
39AQI
39AQI
18th February 2025
33AQI
33AQI
19th February 2025
33AQI
33AQI
20th February 2025
31AQI
31AQI
21st February 2025
32AQI
32AQI
22nd February 2025
33AQI
33AQI
23rd February 2025
33AQI
33AQI
24th February 2025
34AQI
34AQI
25th February 2025
36AQI
36AQI
26th February 2025
39AQI
39AQI
27th February 2025
47AQI
47AQI
28th February 2025
44AQI
44AQI
1st March 2025
51AQI
51AQI
2nd March 2025
52AQI
52AQI
3rd March 2025
40AQI
40AQI
4th March 2025
39AQI
39AQI
5th March 2025
27AQI
27AQI
6th March 2025
35AQI
35AQI
7th March 2025
34AQI
34AQI
8th March 2025
39AQI
39AQI
9th March 2025
36AQI
36AQI
10th March 2025
39AQI
39AQI
11th March 2025
43AQI
43AQI
12th March 2025
35AQI
35AQI
13th March 2025
48AQI
48AQI
14th March 2025
37AQI
37AQI
15th March 2025
38AQI
38AQI
16th March 2025
23AQI
23AQI
17th March 2025
26AQI
26AQI
18th March 2025
27AQI
27AQI
19th March 2025
24AQI
24AQI
20th March 2025
33AQI
33AQI
21st March 2025
43AQI
43AQI
22nd March 2025
51AQI
51AQI
23rd March 2025
60AQI
60AQI
24th March 2025
61AQI
61AQI
25th March 2025
77AQI
77AQI
26th March 2025
73AQI
73AQI
27th March 2025
71AQI
71AQI
28th March 2025
48AQI
48AQI
29th March 2025
39AQI
39AQI
30th March 2025
39AQI
39AQI
31st March 2025
35AQI
35AQI
1st April 2025
29AQI
29AQI
2nd April 2025
28AQI
28AQI
3rd April 2025
22AQI
22AQI
4th April 2025
27AQI
27AQI
5th April 2025
36AQI
36AQI
6th April 2025
35AQI
35AQI
7th April 2025
37AQI
37AQI
8th April 2025
43AQI
43AQI
9th April 2025
36AQI
36AQI
10th April 2025
49AQI
49AQI
11th April 2025
43AQI
43AQI
12th April 2025
48AQI
48AQI
13th April 2025
27AQI
27AQI
14th April 2025
38AQI
38AQI
15th April 2025
20AQI
20AQI
16th April 2025
31AQI
31AQI
17th April 2025
45AQI
45AQI
18th April 2025
54AQI
54AQI
19th April 2025
68AQI
68AQI
20th April 2025
51AQI
51AQI
21st April 2025
40AQI
40AQI
22nd April 2025
51AQI
51AQI
23rd April 2025
28AQI
28AQI
24th April 2025
41AQI
41AQI
25th April 2025
41AQI
41AQI
26th April 2025
51AQI
51AQI
27th April 2025
47AQI
47AQI
28th April 2025
49AQI
49AQI
29th April 2025
40AQI
40AQI
30th April 2025
54AQI
54AQI
1st May 2025
49AQI
49AQI
2nd May 2025
35AQI
35AQI
3rd May 2025
38AQI
38AQI
4th May 2025
33AQI
33AQI
5th May 2025
40AQI
40AQI
6th May 2025
28AQI
28AQI
7th May 2025
30AQI
30AQI
8th May 2025
33AQI
33AQI
9th May 2025
39AQI
39AQI
10th May 2025
26AQI
26AQI
11th May 2025
26AQI
26AQI
12th May 2025
31AQI
31AQI
13th May 2025
39AQI
39AQI
14th May 2025
46AQI
46AQI
15th May 2025
49AQI
49AQI
16th May 2025
52AQI
52AQI
17th May 2025
34AQI
34AQI
18th May 2025
43AQI
43AQI
19th May 2025
41AQI
41AQI
20th May 2025
59AQI
59AQI
21st May 2025
58AQI
58AQI
22nd May 2025
56AQI
56AQI
23rd May 2025
53AQI
53AQI
24th May 2025
42AQI
42AQI
25th May 2025
29AQI
29AQI
26th May 2025
29AQI
29AQI
27th May 2025
33AQI
33AQI
28th May 2025
30AQI
30AQI
29th May 2025
37AQI
37AQI
30th May 2025
28AQI
28AQI
31st May 2025
24AQI
24AQI
1st June 2025
25AQI
25AQI
2nd June 2025
37AQI
37AQI
3rd June 2025
27AQI
27AQI
4th June 2025
33AQI
33AQI
5th June 2025
35AQI
35AQI
6th June 2025
44AQI
44AQI
7th June 2025
50AQI
50AQI
8th June 2025
56AQI
56AQI
9th June 2025
54AQI
54AQI
10th June 2025
37AQI
37AQI
11th June 2025
31AQI
31AQI
12th June 2025
37AQI
37AQI
13th June 2025
45AQI
45AQI
14th June 2025
36AQI
36AQI
15th June 2025
30AQI
30AQI
16th June 2025
36AQI
36AQI
17th June 2025
40AQI
40AQI
18th June 2025
46AQI
46AQI
19th June 2025
48AQI
48AQI
20th June 2025
51AQI
51AQI
21st June 2025
53AQI
53AQI
22nd June 2025
55AQI
55AQI
23rd June 2025
48AQI
48AQI
24th June 2025
46AQI
46AQI
25th June 2025
44AQI
44AQI
26th June 2025
44AQI
44AQI
27th June 2025
48AQI
48AQI
28th June 2025
47AQI
47AQI
29th June 2025
51AQI
51AQI
30th June 2025
53AQI
53AQI
1st July 2025
54AQI
54AQI
2nd July 2025
55AQI
55AQI
3rd July 2025
58AQI
58AQI
4th July 2025
59AQI
59AQI
5th July 2025
59AQI
59AQI
6th July 2025
58AQI
58AQI
7th July 2025
60AQI
60AQI
8th July 2025
66AQI
66AQI
9th July 2025
64AQI
64AQI
10th July 2025
60AQI
60AQI
11th July 2025
49AQI
49AQI
12th July 2025
49AQI
49AQI
13th July 2025
50AQI
50AQI
14th July 2025
45AQI
45AQI
15th July 2025
44AQI
44AQI
16th July 2025
50AQI
50AQI
17th July 2025
41AQI
41AQI
18th July 2025
42AQI
42AQI
19th July 2025
42AQI
42AQI
20th July 2025
42AQI
42AQI
21st July 2025
42AQI
42AQI
22nd July 2025
46AQI
46AQI
23rd July 2025
47AQI
47AQI
24th July 2025
46AQI
46AQI
25th July 2025
47AQI
47AQI
26th July 2025
46AQI
46AQI
27th July 2025
48AQI
48AQI
28th July 2025
46AQI
46AQI
29th July 2025
47AQI
47AQI
30th July 2025
45AQI
45AQI
31st July 2025
45AQI
45AQI
1st August 2025
42AQI
42AQI
2nd August 2025
41AQI
41AQI
34AQI
36AQI
43AQI
40AQI
38AQI
43AQI
50AQI
42AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202541AQI
31
28
23
8
24
6
26
5
23
7
21
10
2
178
36
Highest AQI recorded in
July50AQI
Lowest AQI recorded in
January34AQI
202437AQI
31
29
26
5
14
16
25
6
19
11
29
2
22
9
25
5
31
28
2
31
310
56
Highest AQI recorded in
April52AQI
Lowest AQI recorded in
October28AQI
202339AQI
31
28
18
13
17
13
21
10
22
8
15
16
26
5
29
1
31
24
5
31
293
71
Highest AQI recorded in
April50AQI
Lowest AQI recorded in
October30AQI
202238AQI
30
1
19
2
22
9
20
10
23
8
22
8
17
6
1
27
1
29
2
29
1
31
270
48
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
August27AQI
202133AQI
29
1
26
2
25
6
24
6
29
2
20
10
26
5
31
28
2
30
1
28
2
31
327
37
Highest AQI recorded in
June43AQI
Lowest AQI recorded in
January23AQI
202031AQI
12
1
18
3
17
1
22
8
30
1
15
16
19
29
2
28
2
31
221
34
Highest AQI recorded in
August53AQI
Lowest AQI recorded in
December20AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
41AQILeast Polluted Year Recorded
2020(Avg.)
31AQINaganohara's annual 2025 AQI (41) shows an average percentage change of 15.02% (worsened AQI) compared to previous years: 2020 (31), 2021 (33), 2022 (38), 2023 (39), 2024 (37).
