Sano, Tochigi, 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
Sano, Tochigi, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
71AQILowest AQI recorded on
30th Aug 2024
17AQISame Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 35 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Sano, Tochigi, Japan
AQI
Day
Night
.
4 AM2nd Aug 2025
6 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
48AQI
Avg. Lowest Time
12PM2nd Aug
31AQI
In the last 24 hours,
Sano's AQI reached its highest point of 48 at 3 PM during the Night, while the lowest point, 31, was recorded at 12 PM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Sano, Tochigi, 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 2025464 AMAQI
4th Jul 2025495 AMAQI
4th Jul 2025496 AMAQI
4th Jul 2025497 AMAQI
4th Jul 2025498 AMAQI
4th Jul 2025409 AMAQI
4th Jul 20253810 AMAQI
4th Jul 20254311 AMAQI
4th Jul 20255212 PMAQI
4th Jul 2025551 PMAQI
4th Jul 2025572 PMAQI
4th Jul 2025563 PMAQI
4th Jul 2025594 PMAQI
4th Jul 2025605 PMAQI
4th Jul 2025596 PMAQI
4th Jul 2025577 PMAQI
4th Jul 2025558 PMAQI
4th Jul 2025539 PMAQI
4th Jul 20255410 PMAQI
4th Jul 20254911 PMAQI
5th Jul 20254912 AMAQI
5th Jul 2025491 AMAQI
5th Jul 2025492 AMAQI
5th Jul 2025483 AMAQI
30°C25/36°C
5th Jul 2025484 AMAQI
5th Jul 2025495 AMAQI
5th Jul 2025496 AMAQI
5th Jul 2025507 AMAQI
5th Jul 2025498 AMAQI
5th Jul 2025509 AMAQI
5th Jul 20255210 AMAQI
5th Jul 20255611 AMAQI
5th Jul 20255712 PMAQI
5th Jul 2025571 PMAQI
5th Jul 2025592 PMAQI
5th Jul 2025573 PMAQI
5th Jul 2025564 PMAQI
5th Jul 2025575 PMAQI
5th Jul 2025596 PMAQI
5th Jul 2025657 PMAQI
5th Jul 2025618 PMAQI
5th Jul 2025559 PMAQI
5th Jul 20255610 PMAQI
5th Jul 20255611 PMAQI
6th Jul 20255412 AMAQI
6th Jul 2025521 AMAQI
6th Jul 2025502 AMAQI
6th Jul 2025503 AMAQI
29°C26/33°C
6th Jul 2025504 AMAQI
6th Jul 2025515 AMAQI
6th Jul 2025516 AMAQI
6th Jul 2025517 AMAQI
6th Jul 2025518 AMAQI
6th Jul 2025559 AMAQI
6th Jul 20255910 AMAQI
6th Jul 20256011 AMAQI
6th Jul 20255812 PMAQI
6th Jul 2025601 PMAQI
6th Jul 2025592 PMAQI
6th Jul 2025573 PMAQI
6th Jul 2025604 PMAQI
6th Jul 2025625 PMAQI
6th Jul 2025656 PMAQI
6th Jul 2025697 PMAQI
6th Jul 2025738 PMAQI
6th Jul 2025639 PMAQI
6th Jul 20256310 PMAQI
6th Jul 20256611 PMAQI
7th Jul 20256612 AMAQI
7th Jul 2025611 AMAQI
7th Jul 2025522 AMAQI
7th Jul 2025523 AMAQI
30°C26/36°C
7th Jul 2025524 AMAQI
7th Jul 2025535 AMAQI
7th Jul 2025536 AMAQI
7th Jul 2025537 AMAQI
7th Jul 2025538 AMAQI
7th Jul 20251029 AMAQI
7th Jul 202511710 AMAQI
7th Jul 202512211 AMAQI
7th Jul 202511912 PMAQI
7th Jul 2025941 PMAQI
7th Jul 2025912 PMAQI
7th Jul 2025843 PMAQI
7th Jul 2025864 PMAQI
7th Jul 2025865 PMAQI
7th Jul 2025906 PMAQI
7th Jul 2025897 PMAQI
7th Jul 2025848 PMAQI
7th Jul 2025729 PMAQI
7th Jul 20257410 PMAQI
7th Jul 20257611 PMAQI
8th Jul 20257412 AMAQI
8th Jul 2025641 AMAQI
8th Jul 2025562 AMAQI
8th Jul 2025563 AMAQI
31°C27/35°C
8th Jul 2025594 AMAQI
8th Jul 2025645 AMAQI
8th Jul 2025646 AMAQI
8th Jul 2025647 AMAQI
8th Jul 2025648 AMAQI
8th Jul 20251079 AMAQI
8th Jul 202512510 AMAQI
8th Jul 202511711 AMAQI
8th Jul 202510812 PMAQI
8th Jul 2025921 PMAQI
8th Jul 2025892 PMAQI
8th Jul 2025863 PMAQI
8th Jul 2025844 PMAQI
8th Jul 2025785 PMAQI
8th Jul 2025796 PMAQI
8th Jul 2025827 PMAQI
8th Jul 2025818 PMAQI
8th Jul 2025749 PMAQI
8th Jul 20257210 PMAQI
8th Jul 20257311 PMAQI
9th Jul 20257412 AMAQI
9th Jul 2025711 AMAQI
9th Jul 2025642 AMAQI
9th Jul 2025643 AMAQI
31°C27/36°C
9th Jul 2025664 AMAQI
9th Jul 2025715 AMAQI
9th Jul 2025716 AMAQI
9th Jul 2025717 AMAQI
9th Jul 2025718 AMAQI
9th Jul 2025929 AMAQI
9th Jul 202510510 AMAQI
9th Jul 202510911 AMAQI
9th Jul 202510312 PMAQI
9th Jul 2025941 PMAQI
9th Jul 2025862 PMAQI
9th Jul 2025853 PMAQI
9th Jul 2025924 PMAQI
9th Jul 20251015 PMAQI
9th Jul 20251006 PMAQI
9th Jul 2025927 PMAQI
9th Jul 2025868 PMAQI
9th Jul 2025729 PMAQI
9th Jul 20256910 PMAQI
9th Jul 20256711 PMAQI
10th Jul 20256512 AMAQI
10th Jul 2025651 AMAQI
10th Jul 2025672 AMAQI
10th Jul 2025683 AMAQI
31°C26/37°C
10th Jul 2025714 AMAQI
10th Jul 2025735 AMAQI
10th Jul 2025736 AMAQI
10th Jul 2025747 AMAQI
10th Jul 2025738 AMAQI
10th Jul 2025539 AMAQI
10th Jul 20254710 AMAQI
10th Jul 20255511 AMAQI
10th Jul 20256212 PMAQI
10th Jul 2025751 PMAQI
10th Jul 2025762 PMAQI
10th Jul 2025773 PMAQI
10th Jul 2025704 PMAQI
10th Jul 2025615 PMAQI
10th Jul 2025546 PMAQI
10th Jul 2025437 PMAQI
10th Jul 2025428 PMAQI
10th Jul 2025579 PMAQI
10th Jul 20255810 PMAQI
10th Jul 20255811 PMAQI
11th Jul 20255812 AMAQI
11th Jul 2025601 AMAQI
11th Jul 2025632 AMAQI
11th Jul 2025683 AMAQI
28°C22/35°C
11th Jul 2025694 AMAQI
11th Jul 2025685 AMAQI
11th Jul 2025686 AMAQI
11th Jul 2025687 AMAQI
11th Jul 2025688 AMAQI
11th Jul 2025289 AMAQI
11th Jul 20251610 AMAQI
11th Jul 20251611 AMAQI
11th Jul 20251912 PMAQI
11th Jul 2025291 PMAQI
11th Jul 2025322 PMAQI
11th Jul 2025323 PMAQI
11th Jul 2025334 PMAQI
11th Jul 2025325 PMAQI
11th Jul 2025346 PMAQI
11th Jul 2025317 PMAQI
11th Jul 2025398 PMAQI
11th Jul 2025559 PMAQI
11th Jul 20255510 PMAQI
11th Jul 20255611 PMAQI
12th Jul 20255612 AMAQI
12th Jul 2025581 AMAQI
12th Jul 2025622 AMAQI
12th Jul 2025653 AMAQI
22°C21/23°C
12th Jul 2025624 AMAQI
12th Jul 2025605 AMAQI
12th Jul 2025596 AMAQI
12th Jul 2025597 AMAQI
12th Jul 2025598 AMAQI
12th Jul 2025389 AMAQI
12th Jul 20252810 AMAQI
12th Jul 20253111 AMAQI
12th Jul 20253412 PMAQI
12th Jul 2025421 PMAQI
12th Jul 2025432 PMAQI
12th Jul 2025443 PMAQI
12th Jul 2025484 PMAQI
12th Jul 2025485 PMAQI
12th Jul 2025496 PMAQI
12th Jul 2025497 PMAQI
12th Jul 2025508 PMAQI
12th Jul 2025559 PMAQI
12th Jul 20255410 PMAQI
12th Jul 20255411 PMAQI
13th Jul 20255412 AMAQI
13th Jul 2025551 AMAQI
13th Jul 2025582 AMAQI
13th Jul 2025603 AMAQI
23°C20/27°C
13th Jul 2025594 AMAQI
13th Jul 2025575 AMAQI
13th Jul 2025576 AMAQI
13th Jul 2025577 AMAQI
13th Jul 2025578 AMAQI
13th Jul 2025429 AMAQI
13th Jul 20253410 AMAQI
13th Jul 20254011 AMAQI
13th Jul 20254312 PMAQI
13th Jul 2025491 PMAQI
13th Jul 2025482 PMAQI
13th Jul 2025513 PMAQI
13th Jul 2025504 PMAQI
13th Jul 2025535 PMAQI
13th Jul 2025556 PMAQI
13th Jul 2025537 PMAQI
13th Jul 2025518 PMAQI
13th Jul 2025539 PMAQI
13th Jul 20255210 PMAQI
13th Jul 20255111 PMAQI
14th Jul 20255012 AMAQI
14th Jul 2025521 AMAQI
14th Jul 2025542 AMAQI
14th Jul 2025563 AMAQI
26°C21/32°C
14th Jul 2025564 AMAQI
14th Jul 2025555 AMAQI
14th Jul 2025546 AMAQI
14th Jul 2025557 AMAQI
14th Jul 2025548 AMAQI
14th Jul 2025289 AMAQI
14th Jul 20251710 AMAQI
14th Jul 20251711 AMAQI
14th Jul 20251712 PMAQI
14th Jul 2025231 PMAQI
14th Jul 2025242 PMAQI
14th Jul 2025263 PMAQI
14th Jul 2025244 PMAQI
14th Jul 2025285 PMAQI
14th Jul 2025286 PMAQI
14th Jul 2025257 PMAQI
14th Jul 2025338 PMAQI
14th Jul 2025479 PMAQI
14th Jul 20254610 PMAQI
14th Jul 20254511 PMAQI
15th Jul 20254712 AMAQI
15th Jul 2025501 AMAQI
15th Jul 2025522 AMAQI
15th Jul 2025543 AMAQI
25°C22/27°C
15th Jul 2025534 AMAQI
15th Jul 2025525 AMAQI
15th Jul 2025526 AMAQI
15th Jul 2025527 AMAQI
15th Jul 2025528 AMAQI
15th Jul 2025299 AMAQI
15th Jul 20252510 AMAQI
15th Jul 20252911 AMAQI
15th Jul 20252812 PMAQI
15th Jul 2025301 PMAQI
15th Jul 2025302 PMAQI
15th Jul 2025313 PMAQI
15th Jul 2025284 PMAQI
15th Jul 2025285 PMAQI
15th Jul 2025296 PMAQI
15th Jul 2025297 PMAQI
15th Jul 2025338 PMAQI
15th Jul 2025429 PMAQI
15th Jul 20254010 PMAQI
15th Jul 20253811 PMAQI
16th Jul 20253912 AMAQI
16th Jul 2025451 AMAQI
16th Jul 2025522 AMAQI
16th Jul 2025523 AMAQI
27°C24/31°C
16th Jul 2025514 AMAQI
16th Jul 2025495 AMAQI
16th Jul 2025496 AMAQI
16th Jul 2025487 AMAQI
16th Jul 2025498 AMAQI
16th Jul 2025489 AMAQI
16th Jul 20255210 AMAQI
16th Jul 20255411 AMAQI
16th Jul 20254612 PMAQI
16th Jul 2025391 PMAQI
16th Jul 2025362 PMAQI
16th Jul 2025323 PMAQI
16th Jul 2025324 PMAQI
16th Jul 2025275 PMAQI
16th Jul 2025276 PMAQI
16th Jul 2025267 PMAQI
16th Jul 2025288 PMAQI
16th Jul 2025399 PMAQI
16th Jul 20254010 PMAQI
16th Jul 20254111 PMAQI
17th Jul 20254112 AMAQI
17th Jul 2025441 AMAQI
17th Jul 2025472 AMAQI
17th Jul 2025483 AMAQI
28°C23/32°C
17th Jul 2025484 AMAQI
17th Jul 2025485 AMAQI
17th Jul 2025486 AMAQI
17th Jul 2025487 AMAQI
17th Jul 2025488 AMAQI
17th Jul 2025249 AMAQI
17th Jul 20252010 AMAQI
17th Jul 20252511 AMAQI
17th Jul 20253112 PMAQI
17th Jul 2025341 PMAQI
17th Jul 2025342 PMAQI
17th Jul 2025333 PMAQI
17th Jul 2025334 PMAQI
17th Jul 2025335 PMAQI
17th Jul 2025346 PMAQI
17th Jul 2025357 PMAQI
17th Jul 2025408 PMAQI
17th Jul 2025449 PMAQI
17th Jul 20254310 PMAQI
17th Jul 20254311 PMAQI
18th Jul 20254312 AMAQI
18th Jul 2025451 AMAQI
18th Jul 2025472 AMAQI
18th Jul 2025483 AMAQI
28°C25/33°C
18th Jul 2025474 AMAQI
18th Jul 2025445 AMAQI
18th Jul 2025446 AMAQI
18th Jul 2025447 AMAQI
18th Jul 2025438 AMAQI
18th Jul 2025369 AMAQI
18th Jul 20253510 AMAQI
18th Jul 20254111 AMAQI
18th Jul 20254312 PMAQI
18th Jul 2025401 PMAQI
18th Jul 2025352 PMAQI
18th Jul 2025323 PMAQI
18th Jul 2025334 PMAQI
18th Jul 2025285 PMAQI
18th Jul 2025306 PMAQI
18th Jul 2025317 PMAQI
18th Jul 2025358 PMAQI
18th Jul 2025409 PMAQI
18th Jul 20254010 PMAQI
18th Jul 20253911 PMAQI
19th Jul 20253912 AMAQI
19th Jul 2025421 AMAQI
19th Jul 2025442 AMAQI
19th Jul 2025463 AMAQI
28°C24/34°C
19th Jul 2025454 AMAQI
19th Jul 2025435 AMAQI
19th Jul 2025436 AMAQI
19th Jul 2025447 AMAQI
19th Jul 2025438 AMAQI
19th Jul 2025309 AMAQI
19th Jul 20253010 AMAQI
19th Jul 20253511 AMAQI
19th Jul 20254212 PMAQI
19th Jul 2025361 PMAQI
19th Jul 2025372 PMAQI
19th Jul 2025363 PMAQI
19th Jul 2025354 PMAQI
19th Jul 2025335 PMAQI
19th Jul 2025296 PMAQI
19th Jul 2025307 PMAQI
19th Jul 2025358 PMAQI
19th Jul 2025369 PMAQI
19th Jul 20253510 PMAQI
19th Jul 20253611 PMAQI
20th Jul 20253712 AMAQI
20th Jul 2025391 AMAQI
20th Jul 2025422 AMAQI
20th Jul 2025433 AMAQI
29°C24/35°C
20th Jul 2025424 AMAQI
20th Jul 2025425 AMAQI
20th Jul 2025426 AMAQI
20th Jul 2025417 AMAQI
20th Jul 2025418 AMAQI
20th Jul 2025349 AMAQI
20th Jul 20252710 AMAQI
20th Jul 20253211 AMAQI
20th Jul 20253512 PMAQI
20th Jul 2025421 PMAQI
20th Jul 2025442 PMAQI
20th Jul 2025373 PMAQI
20th Jul 2025384 PMAQI
20th Jul 2025395 PMAQI
20th Jul 2025396 PMAQI
20th Jul 2025377 PMAQI
20th Jul 2025368 PMAQI
20th Jul 2025409 PMAQI
20th Jul 20254010 PMAQI
20th Jul 20253911 PMAQI
21st Jul 20253712 AMAQI
21st Jul 2025381 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025413 AMAQI
30°C25/36°C
21st Jul 2025414 AMAQI
21st Jul 2025405 AMAQI
21st Jul 2025396 AMAQI
21st Jul 2025407 AMAQI
21st Jul 2025398 AMAQI
21st Jul 2025319 AMAQI
21st Jul 20253210 AMAQI
21st Jul 20254311 AMAQI
21st Jul 20254912 PMAQI
21st Jul 2025481 PMAQI
21st Jul 2025472 PMAQI
21st Jul 2025463 PMAQI
21st Jul 2025484 PMAQI
21st Jul 2025495 PMAQI
21st Jul 2025476 PMAQI
21st Jul 2025467 PMAQI
21st Jul 2025468 PMAQI
21st Jul 2025439 PMAQI
21st Jul 20254110 PMAQI
21st Jul 20254011 PMAQI
22nd Jul 20254112 AMAQI
22nd Jul 2025401 AMAQI
22nd Jul 2025402 AMAQI
22nd Jul 2025393 AMAQI
31°C25/38°C
22nd Jul 2025394 AMAQI
22nd Jul 2025405 AMAQI
22nd Jul 2025396 AMAQI
22nd Jul 2025407 AMAQI
22nd Jul 2025408 AMAQI
22nd Jul 2025339 AMAQI
22nd Jul 20253810 AMAQI
22nd Jul 20254111 AMAQI
22nd Jul 20255112 PMAQI
22nd Jul 2025521 PMAQI
22nd Jul 2025442 PMAQI
22nd Jul 2025513 PMAQI
22nd Jul 2025524 PMAQI
22nd Jul 2025515 PMAQI
22nd Jul 2025556 PMAQI
22nd Jul 2025497 PMAQI
22nd Jul 2025478 PMAQI
22nd Jul 2025449 PMAQI
22nd Jul 20254210 PMAQI
22nd Jul 20254111 PMAQI
23rd Jul 20253812 AMAQI
23rd Jul 2025381 AMAQI
23rd Jul 2025392 AMAQI
23rd Jul 2025403 AMAQI
31°C26/38°C
23rd Jul 2025404 AMAQI
23rd Jul 2025405 AMAQI
23rd Jul 2025406 AMAQI
23rd Jul 2025417 AMAQI
23rd Jul 2025418 AMAQI
23rd Jul 2025369 AMAQI
23rd Jul 20253810 AMAQI
23rd Jul 20254611 AMAQI
23rd Jul 20255012 PMAQI
23rd Jul 2025561 PMAQI
23rd Jul 2025562 PMAQI
23rd Jul 2025583 PMAQI
23rd Jul 2025604 PMAQI
23rd Jul 2025575 PMAQI
23rd Jul 2025596 PMAQI
23rd Jul 2025597 PMAQI
23rd Jul 2025518 PMAQI
23rd Jul 2025449 PMAQI
23rd Jul 20254510 PMAQI
23rd Jul 20254511 PMAQI
24th Jul 20254512 AMAQI
24th Jul 2025441 AMAQI
24th Jul 2025402 AMAQI
24th Jul 2025403 AMAQI
31°C26/38°C
24th Jul 2025414 AMAQI
24th Jul 2025425 AMAQI
24th Jul 2025426 AMAQI
24th Jul 2025427 AMAQI
24th Jul 2025428 AMAQI
24th Jul 2025449 AMAQI
24th Jul 20254410 AMAQI
24th Jul 20255511 AMAQI
24th Jul 20255712 PMAQI
24th Jul 2025571 PMAQI
24th Jul 2025572 PMAQI
24th Jul 2025583 PMAQI
24th Jul 2025574 PMAQI
24th Jul 2025555 PMAQI
24th Jul 2025536 PMAQI
24th Jul 2025517 PMAQI
24th Jul 2025528 PMAQI
24th Jul 2025489 PMAQI
24th Jul 20254610 PMAQI
24th Jul 20254511 PMAQI
25th Jul 20254312 AMAQI
25th Jul 2025421 AMAQI
25th Jul 2025422 AMAQI
25th Jul 2025433 AMAQI
31°C26/38°C
25th Jul 2025444 AMAQI
25th Jul 2025465 AMAQI
25th Jul 2025466 AMAQI
25th Jul 2025467 AMAQI
25th Jul 2025468 AMAQI
25th Jul 2025519 AMAQI
25th Jul 20255310 AMAQI
25th Jul 20255411 AMAQI
25th Jul 20255412 PMAQI
25th Jul 2025581 PMAQI
25th Jul 2025622 PMAQI
25th Jul 2025593 PMAQI
25th Jul 2025594 PMAQI
25th Jul 2025575 PMAQI
25th Jul 2025526 PMAQI
25th Jul 2025497 PMAQI
25th Jul 2025508 PMAQI
25th Jul 2025489 PMAQI
25th Jul 20254810 PMAQI
25th Jul 20254511 PMAQI
26th Jul 20254612 AMAQI
26th Jul 2025451 AMAQI
26th Jul 2025432 AMAQI
26th Jul 2025453 AMAQI
31°C26/38°C
26th Jul 2025464 AMAQI
26th Jul 2025485 AMAQI
26th Jul 2025476 AMAQI
26th Jul 2025477 AMAQI
26th Jul 2025478 AMAQI
26th Jul 2025529 AMAQI
26th Jul 20255610 AMAQI
26th Jul 20255911 AMAQI
26th Jul 20256112 PMAQI
26th Jul 2025641 PMAQI
26th Jul 2025632 PMAQI
26th Jul 2025623 PMAQI
26th Jul 2025604 PMAQI
26th Jul 2025605 PMAQI
26th Jul 2025606 PMAQI
26th Jul 2025507 PMAQI
26th Jul 2025498 PMAQI
26th Jul 2025489 PMAQI
26th Jul 20254510 PMAQI
26th Jul 20254411 PMAQI
27th Jul 20254512 AMAQI
27th Jul 2025441 AMAQI
27th Jul 2025462 AMAQI
27th Jul 2025483 AMAQI
31°C25/38°C
27th Jul 2025494 AMAQI
27th Jul 2025515 AMAQI
27th Jul 2025516 AMAQI
27th Jul 2025517 AMAQI
27th Jul 2025518 AMAQI
27th Jul 2025449 AMAQI
27th Jul 20254110 AMAQI
27th Jul 20255111 AMAQI
27th Jul 20255212 PMAQI
27th Jul 2025521 PMAQI
27th Jul 2025542 PMAQI
27th Jul 2025553 PMAQI
27th Jul 2025534 PMAQI
27th Jul 2025535 PMAQI
27th Jul 2025436 PMAQI
27th Jul 2025417 PMAQI
27th Jul 2025418 PMAQI
27th Jul 2025429 PMAQI
27th Jul 20254010 PMAQI
27th Jul 20253811 PMAQI
28th Jul 20253912 AMAQI
28th Jul 2025421 AMAQI
28th Jul 2025462 AMAQI
28th Jul 2025483 AMAQI
31°C26/38°C
28th Jul 2025494 AMAQI
28th Jul 2025495 AMAQI
28th Jul 2025486 AMAQI
28th Jul 2025497 AMAQI
28th Jul 2025498 AMAQI
28th Jul 2025409 AMAQI
28th Jul 20253710 AMAQI
28th Jul 20254011 AMAQI
28th Jul 20254612 PMAQI
28th Jul 2025491 PMAQI
28th Jul 2025442 PMAQI
28th Jul 2025453 PMAQI
28th Jul 2025494 PMAQI
28th Jul 2025505 PMAQI
28th Jul 2025506 PMAQI
28th Jul 2025537 PMAQI
28th Jul 2025538 PMAQI
28th Jul 2025529 PMAQI
28th Jul 20255010 PMAQI
28th Jul 20255011 PMAQI
29th Jul 20254812 AMAQI
29th Jul 2025481 AMAQI
29th Jul 2025472 AMAQI
29th Jul 2025453 AMAQI
32°C26/38°C
29th Jul 2025454 AMAQI
29th Jul 2025465 AMAQI
29th Jul 2025466 AMAQI
29th Jul 2025467 AMAQI
29th Jul 2025468 AMAQI
29th Jul 2025459 AMAQI
29th Jul 20254610 AMAQI
29th Jul 20255411 AMAQI
29th Jul 20255512 PMAQI
29th Jul 2025531 PMAQI
29th Jul 2025532 PMAQI
29th Jul 2025533 PMAQI
29th Jul 2025534 PMAQI
29th Jul 2025515 PMAQI
29th Jul 2025496 PMAQI
29th Jul 2025457 PMAQI
29th Jul 2025408 PMAQI
29th Jul 2025429 PMAQI
29th Jul 20253610 PMAQI
29th Jul 20253811 PMAQI
30th Jul 20253612 AMAQI
30th Jul 2025361 AMAQI
30th Jul 2025432 AMAQI
30th Jul 2025463 AMAQI
32°C27/39°C
30th Jul 2025484 AMAQI
30th Jul 2025485 AMAQI
30th Jul 2025496 AMAQI
30th Jul 2025487 AMAQI
30th Jul 2025488 AMAQI
30th Jul 2025279 AMAQI
30th Jul 20252010 AMAQI
30th Jul 20252211 AMAQI
30th Jul 20252812 PMAQI
30th Jul 2025281 PMAQI
30th Jul 2025302 PMAQI
30th Jul 2025353 PMAQI
30th Jul 2025344 PMAQI
30th Jul 2025345 PMAQI
30th Jul 2025356 PMAQI
30th Jul 2025377 PMAQI
30th Jul 2025408 PMAQI
30th Jul 2025429 PMAQI
30th Jul 20254210 PMAQI
30th Jul 20253911 PMAQI
31st Jul 20253912 AMAQI
31st Jul 2025431 AMAQI
31st Jul 2025442 AMAQI
31st Jul 2025453 AMAQI
30°C25/37°C
31st Jul 2025454 AMAQI
31st Jul 2025455 AMAQI
31st Jul 2025456 AMAQI
31st Jul 2025457 AMAQI
31st Jul 2025458 AMAQI
31st Jul 2025459 AMAQI
31st Jul 20254510 AMAQI
31st Jul 20254311 AMAQI
31st Jul 20254212 PMAQI
31st Jul 2025371 PMAQI
31st Jul 2025382 PMAQI
31st Jul 2025363 PMAQI
31st Jul 2025374 PMAQI
31st Jul 2025365 PMAQI
31st Jul 2025326 PMAQI
31st Jul 2025317 PMAQI
31st Jul 2025328 PMAQI
31st Jul 2025309 PMAQI
31st Jul 20253310 PMAQI
31st Jul 20252811 PMAQI
1st Aug 20253112 AMAQI
1st Aug 2025341 AMAQI
1st Aug 2025332 AMAQI
1st Aug 2025393 AMAQI
28°C24/35°C
1st Aug 2025394 AMAQI
1st Aug 2025375 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025367 AMAQI
1st Aug 2025378 AMAQI
1st Aug 2025369 AMAQI
1st Aug 20253810 AMAQI
1st Aug 20253711 AMAQI
1st Aug 20254112 PMAQI
1st Aug 2025351 PMAQI
1st Aug 2025312 PMAQI
1st Aug 2025293 PMAQI
1st Aug 2025434 PMAQI
1st Aug 2025375 PMAQI
1st Aug 2025416 PMAQI
1st Aug 2025267 PMAQI
1st Aug 2025298 PMAQI
1st Aug 2025299 PMAQI
1st Aug 20253310 PMAQI
1st Aug 20252811 PMAQI
2nd Aug 20252912 AMAQI
2nd Aug 2025361 AMAQI
2nd Aug 2025392 AMAQI
2nd Aug 2025403 AMAQI
27°C24/32°C
2nd Aug 2025404 AMAQI
2nd Aug 2025395 AMAQI
2nd Aug 2025416 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025398 AMAQI
2nd Aug 2025329 AMAQI
2nd Aug 20253410 AMAQI
2nd Aug 20253911 AMAQI
2nd Aug 20253112 PMAQI
2nd Aug 2025371 PMAQI
2nd Aug 2025462 PMAQI
2nd Aug 2025483 PMAQI
2nd Aug 2025394 PMAQI
2nd Aug 2025415 PMAQI
2nd Aug 2025416 PMAQI
2nd Aug 2025447 PMAQI
2nd Aug 2025408 PMAQI
2nd Aug 2025389 PMAQI
2nd Aug 20253510 PMAQI
2nd Aug 20254011 PMAQI
3rd Aug 20253212 AMAQI
3rd Aug 2025361 AMAQI
3rd Aug 2025382 AMAQI
3rd Aug 2025383 AMAQI
--°C/°C
3rd Aug 2025404 AMAQI
4 AM3rd Aug 2025395 AMAQI
3rd Aug 2025396 AMAQI
3rd Aug 2025407 AMAQI
11 AM
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
11 AM - 6 PM
50AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
9 AM - 10 AM
45AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 6 PM (Avg. 50), while the lowest AQI was between 9 AM to 10 AM (Avg. 45).
Night time
Avg. Highest Time
12 AM - 11 PM
48AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
48AQI
9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 48), while the lowest AQI was between 12 AM to 11 PM (Avg. 48).
2025 Days Vs Air Quality
Sano, Tochigi, Japan
2025
84%
179
16%
34
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Good
179 DaysModerate
34 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2025, 84% 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
Sano, Tochigi, 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
31AQI
31AQI
2nd January 2025
31AQI
31AQI
3rd January 2025
27AQI
27AQI
4th January 2025
25AQI
25AQI
5th January 2025
34AQI
34AQI
6th January 2025
53AQI
53AQI
7th January 2025
34AQI
34AQI
8th January 2025
36AQI
36AQI
9th January 2025
29AQI
29AQI
10th January 2025
27AQI
27AQI
11th January 2025
26AQI
26AQI
12th January 2025
36AQI
36AQI
13th January 2025
29AQI
29AQI
14th January 2025
36AQI
36AQI
15th January 2025
36AQI
36AQI
16th January 2025
33AQI
33AQI
17th January 2025
32AQI
32AQI
18th January 2025
33AQI
33AQI
19th January 2025
47AQI
47AQI
20th January 2025
46AQI
46AQI
21st January 2025
46AQI
46AQI
22nd January 2025
41AQI
41AQI
23rd January 2025
45AQI
45AQI
24th January 2025
51AQI
51AQI
25th January 2025
38AQI
38AQI
26th January 2025
35AQI
35AQI
27th January 2025
35AQI
35AQI
28th January 2025
40AQI
40AQI
29th January 2025
32AQI
32AQI
30th January 2025
33AQI
33AQI
31st January 2025
30AQI
30AQI
1st February 2025
35AQI
35AQI
2nd February 2025
38AQI
38AQI
3rd February 2025
41AQI
41AQI
4th February 2025
33AQI
33AQI
5th February 2025
34AQI
34AQI
6th February 2025
29AQI
29AQI
7th February 2025
31AQI
31AQI
8th February 2025
31AQI
31AQI
9th February 2025
30AQI
30AQI
10th February 2025
30AQI
30AQI
11th February 2025
31AQI
31AQI
12th February 2025
37AQI
37AQI
13th February 2025
35AQI
35AQI
14th February 2025
33AQI
33AQI
15th February 2025
31AQI
31AQI
16th February 2025
41AQI
41AQI
17th February 2025
38AQI
38AQI
18th February 2025
33AQI
33AQI
19th February 2025
31AQI
31AQI
20th February 2025
31AQI
31AQI
21st February 2025
32AQI
32AQI
22nd February 2025
33AQI
33AQI
23rd February 2025
33AQI
33AQI
24th February 2025
33AQI
33AQI
25th February 2025
35AQI
35AQI
26th February 2025
39AQI
39AQI
27th February 2025
41AQI
41AQI
28th February 2025
51AQI
51AQI
1st March 2025
55AQI
55AQI
2nd March 2025
57AQI
57AQI
3rd March 2025
41AQI
41AQI
4th March 2025
40AQI
40AQI
5th March 2025
30AQI
30AQI
6th March 2025
34AQI
34AQI
7th March 2025
32AQI
32AQI
8th March 2025
42AQI
42AQI
9th March 2025
37AQI
37AQI
10th March 2025
39AQI
39AQI
11th March 2025
47AQI
47AQI
12th March 2025
52AQI
52AQI
13th March 2025
49AQI
49AQI
14th March 2025
39AQI
39AQI
15th March 2025
45AQI
45AQI
16th March 2025
25AQI
25AQI
17th March 2025
23AQI
23AQI
18th March 2025
26AQI
26AQI
19th March 2025
19AQI
19AQI
20th March 2025
26AQI
26AQI
21st March 2025
40AQI
40AQI
22nd March 2025
49AQI
49AQI
23rd March 2025
55AQI
55AQI
24th March 2025
56AQI
56AQI
25th March 2025
71AQI
71AQI
26th March 2025
67AQI
67AQI
27th March 2025
72AQI
72AQI
28th March 2025
58AQI
58AQI
29th March 2025
37AQI
37AQI
30th March 2025
37AQI
37AQI
31st March 2025
32AQI
32AQI
1st April 2025
30AQI
30AQI
2nd April 2025
22AQI
22AQI
3rd April 2025
22AQI
22AQI
4th April 2025
24AQI
24AQI
5th April 2025
29AQI
29AQI
6th April 2025
25AQI
25AQI
7th April 2025
30AQI
30AQI
8th April 2025
40AQI
40AQI
9th April 2025
29AQI
29AQI
10th April 2025
44AQI
44AQI
11th April 2025
40AQI
40AQI
12th April 2025
40AQI
40AQI
13th April 2025
28AQI
28AQI
14th April 2025
26AQI
26AQI
15th April 2025
24AQI
24AQI
16th April 2025
24AQI
24AQI
17th April 2025
42AQI
42AQI
18th April 2025
51AQI
51AQI
19th April 2025
65AQI
65AQI
20th April 2025
59AQI
59AQI
21st April 2025
45AQI
45AQI
22nd April 2025
52AQI
52AQI
23rd April 2025
32AQI
32AQI
24th April 2025
41AQI
41AQI
25th April 2025
36AQI
36AQI
26th April 2025
46AQI
46AQI
27th April 2025
45AQI
45AQI
28th April 2025
51AQI
51AQI
29th April 2025
36AQI
36AQI
30th April 2025
46AQI
46AQI
1st May 2025
41AQI
41AQI
2nd May 2025
30AQI
30AQI
3rd May 2025
31AQI
31AQI
4th May 2025
34AQI
34AQI
5th May 2025
33AQI
33AQI
6th May 2025
28AQI
28AQI
7th May 2025
25AQI
25AQI
8th May 2025
31AQI
31AQI
9th May 2025
33AQI
33AQI
10th May 2025
23AQI
23AQI
11th May 2025
22AQI
22AQI
12th May 2025
21AQI
21AQI
13th May 2025
34AQI
34AQI
14th May 2025
40AQI
40AQI
15th May 2025
42AQI
42AQI
16th May 2025
48AQI
48AQI
17th May 2025
29AQI
29AQI
18th May 2025
42AQI
42AQI
19th May 2025
42AQI
42AQI
20th May 2025
56AQI
56AQI
21st May 2025
62AQI
62AQI
22nd May 2025
53AQI
53AQI
23rd May 2025
50AQI
50AQI
24th May 2025
45AQI
45AQI
25th May 2025
32AQI
32AQI
26th May 2025
33AQI
33AQI
27th May 2025
30AQI
30AQI
28th May 2025
29AQI
29AQI
29th May 2025
35AQI
35AQI
30th May 2025
28AQI
28AQI
31st May 2025
20AQI
20AQI
1st June 2025
24AQI
24AQI
2nd June 2025
34AQI
34AQI
3rd June 2025
35AQI
35AQI
4th June 2025
30AQI
30AQI
5th June 2025
39AQI
39AQI
6th June 2025
47AQI
47AQI
7th June 2025
52AQI
52AQI
8th June 2025
64AQI
64AQI
9th June 2025
56AQI
56AQI
10th June 2025
39AQI
39AQI
11th June 2025
35AQI
35AQI
12th June 2025
44AQI
44AQI
13th June 2025
43AQI
43AQI
14th June 2025
37AQI
37AQI
15th June 2025
31AQI
31AQI
16th June 2025
40AQI
40AQI
17th June 2025
47AQI
47AQI
18th June 2025
42AQI
42AQI
19th June 2025
47AQI
47AQI
20th June 2025
45AQI
45AQI
21st June 2025
41AQI
41AQI
22nd June 2025
39AQI
39AQI
23rd June 2025
37AQI
37AQI
24th June 2025
36AQI
36AQI
25th June 2025
29AQI
29AQI
26th June 2025
31AQI
31AQI
27th June 2025
35AQI
35AQI
28th June 2025
36AQI
36AQI
29th June 2025
41AQI
41AQI
30th June 2025
46AQI
46AQI
1st July 2025
46AQI
46AQI
2nd July 2025
47AQI
47AQI
3rd July 2025
51AQI
51AQI
4th July 2025
51AQI
51AQI
5th July 2025
54AQI
54AQI
6th July 2025
58AQI
58AQI
7th July 2025
76AQI
76AQI
8th July 2025
78AQI
78AQI
9th July 2025
81AQI
81AQI
10th July 2025
63AQI
63AQI
11th July 2025
48AQI
48AQI
12th July 2025
51AQI
51AQI
13th July 2025
52AQI
52AQI
14th July 2025
40AQI
40AQI
15th July 2025
40AQI
40AQI
16th July 2025
42AQI
42AQI
17th July 2025
40AQI
40AQI
18th July 2025
40AQI
40AQI
19th July 2025
38AQI
38AQI
20th July 2025
39AQI
39AQI
21st July 2025
42AQI
42AQI
22nd July 2025
44AQI
44AQI
23rd July 2025
46AQI
46AQI
24th July 2025
48AQI
48AQI
25th July 2025
49AQI
49AQI
26th July 2025
51AQI
51AQI
27th July 2025
47AQI
47AQI
28th July 2025
47AQI
47AQI
29th July 2025
47AQI
47AQI
30th July 2025
38AQI
38AQI
31st July 2025
39AQI
39AQI
1st August 2025
35AQI
35AQI
36AQI
35AQI
43AQI
37AQI
36AQI
40AQI
49AQI
35AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202539AQI
29
2
27
1
22
9
25
5
28
3
27
3
20
11
1
179
34
Highest AQI recorded in
July49AQI
Lowest AQI recorded in
February35AQI
202438AQI
31
28
1
26
5
19
11
26
5
27
3
20
11
30
1
24
6
29
2
28
2
31
319
47
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
January31AQI
202341AQI
9
4
24
7
20
10
14
17
29
2
27
3
30
1
22
7
31
206
51
Highest AQI recorded in
July51AQI
Lowest AQI recorded in
December34AQI
202243AQI
26
5
19
2
20
11
20
10
24
7
15
15
20
5
1
2
23
6
25
6
8
4
201
73
Highest AQI recorded in
August50AQI
Lowest AQI recorded in
January38AQI
202139AQI
25
6
22
6
24
5
19
2
24
7
22
8
29
2
26
5
24
6
24
7
24
6
25
6
288
66
Highest AQI recorded in
June45AQI
Lowest AQI recorded in
February33AQI
202040AQI
11
2
19
2
17
1
21
9
29
2
11
20
19
28
3
17
13
25
6
197
58
Highest AQI recorded in
August57AQI
Lowest AQI recorded in
April28AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
43AQILeast Polluted Year Recorded
2024(Avg.)
38AQISano's annual 2025 AQI (39) shows an average percentage change of -1.1% (improved AQI) compared to previous years: 2020 (40), 2021 (39), 2022 (43), 2023 (41), 2024 (38).
