Shiroyamacho, Oyama, 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+
November Air Quality Analysis
Shiroyamacho, Oyama, Tochigi, Japan
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
13th Nov 2025
62AQILowest AQI recorded on
29th Nov 2023
12AQISame Day Analysis (15th November ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 54 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 15th Nov - 16th Nov 2025
Shiroyamacho, Oyama, Tochigi, Japan
AQI
Day
Night
.
6 AM15th Nov 2025
4 PM
5 AM16th Nov 2025
Day time
Avg. Highest Time
6AM15th Nov
54AQI
Avg. Lowest Time
4PM15th Nov
51AQI
Night time
Avg. Highest Time
10PM15th Nov
67AQI
Avg. Lowest Time
7PM15th Nov
46AQI
In the last 24 hours,
Shiroyamacho's AQI reached its highest point of 67 at 10 PM during the Night, while the lowest point, 46, was recorded at 7 PM during the Night between 15th Nov and 16th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Shiroyamacho, Oyama, Tochigi, Japan
OctNov
17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th
Day
Night
17th Oct 2025496 AMAQI
17th Oct 2025437 AMAQI
17th Oct 2025398 AMAQI
17th Oct 2025329 AMAQI
17th Oct 20254610 AMAQI
17th Oct 20255111 AMAQI
17th Oct 20255112 PMAQI
17th Oct 2025521 PMAQI
17th Oct 2025522 PMAQI
17th Oct 2025553 PMAQI
17th Oct 2025564 PMAQI
17th Oct 2025535 PMAQI
17th Oct 2025476 PMAQI
17th Oct 2025537 PMAQI
17th Oct 2025578 PMAQI
17th Oct 2025579 PMAQI
17th Oct 20255410 PMAQI
17th Oct 20255611 PMAQI
18th Oct 20255412 AMAQI
18th Oct 2025601 AMAQI
18th Oct 2025572 AMAQI
18th Oct 2025543 AMAQI
18th Oct 2025614 AMAQI
18th Oct 2025555 AMAQI
20°C17/25°C
18th Oct 2025526 AMAQI
18th Oct 2025497 AMAQI
18th Oct 2025538 AMAQI
18th Oct 2025559 AMAQI
18th Oct 20255510 AMAQI
18th Oct 20255811 AMAQI
18th Oct 20255812 PMAQI
18th Oct 2025551 PMAQI
18th Oct 2025552 PMAQI
18th Oct 2025593 PMAQI
18th Oct 2025604 PMAQI
18th Oct 2025585 PMAQI
18th Oct 2025576 PMAQI
18th Oct 2025617 PMAQI
18th Oct 2025648 PMAQI
18th Oct 2025629 PMAQI
18th Oct 20256410 PMAQI
18th Oct 20256411 PMAQI
19th Oct 20256712 AMAQI
19th Oct 2025661 AMAQI
19th Oct 2025592 AMAQI
19th Oct 2025563 AMAQI
19th Oct 2025594 AMAQI
19th Oct 2025585 AMAQI
22°C17/26°C
19th Oct 2025546 AMAQI
19th Oct 2025557 AMAQI
19th Oct 2025578 AMAQI
19th Oct 2025599 AMAQI
19th Oct 20256810 AMAQI
19th Oct 20256111 AMAQI
19th Oct 20255412 PMAQI
19th Oct 2025581 PMAQI
19th Oct 2025532 PMAQI
19th Oct 2025473 PMAQI
19th Oct 2025464 PMAQI
19th Oct 2025485 PMAQI
19th Oct 2025526 PMAQI
19th Oct 2025517 PMAQI
19th Oct 2025488 PMAQI
19th Oct 2025499 PMAQI
19th Oct 20254910 PMAQI
19th Oct 20254811 PMAQI
20th Oct 20254812 AMAQI
20th Oct 2025551 AMAQI
20th Oct 2025592 AMAQI
20th Oct 2025603 AMAQI
20th Oct 2025604 AMAQI
20th Oct 2025595 AMAQI
20°C17/24°C
20th Oct 2025626 AMAQI
20th Oct 2025617 AMAQI
20th Oct 2025608 AMAQI
20th Oct 2025599 AMAQI
20th Oct 20255710 AMAQI
20th Oct 20255911 AMAQI
20th Oct 20256012 PMAQI
20th Oct 2025581 PMAQI
20th Oct 2025572 PMAQI
20th Oct 2025583 PMAQI
20th Oct 2025534 PMAQI
20th Oct 2025425 PMAQI
20th Oct 2025616 PMAQI
20th Oct 2025607 PMAQI
20th Oct 2025608 PMAQI
20th Oct 2025619 PMAQI
20th Oct 20255910 PMAQI
20th Oct 20255811 PMAQI
21st Oct 20255812 AMAQI
21st Oct 2025581 AMAQI
21st Oct 2025572 AMAQI
21st Oct 2025423 AMAQI
21st Oct 2025604 AMAQI
21st Oct 2025615 AMAQI
18°C16/23°C
21st Oct 2025596 AMAQI
21st Oct 2025257 AMAQI
21st Oct 2025278 AMAQI
21st Oct 2025289 AMAQI
21st Oct 20253010 AMAQI
21st Oct 20252611 AMAQI
21st Oct 20252612 PMAQI
21st Oct 2025251 PMAQI
21st Oct 2025272 PMAQI
21st Oct 2025263 PMAQI
21st Oct 2025254 PMAQI
21st Oct 2025275 PMAQI
21st Oct 2025236 PMAQI
21st Oct 2025487 PMAQI
21st Oct 2025588 PMAQI
21st Oct 2025549 PMAQI
21st Oct 20255310 PMAQI
21st Oct 20254711 PMAQI
22nd Oct 20255512 AMAQI
22nd Oct 2025401 AMAQI
22nd Oct 2025402 AMAQI
22nd Oct 2025543 AMAQI
22nd Oct 2025474 AMAQI
22nd Oct 2025445 AMAQI
15°C13/17°C
22nd Oct 2025356 AMAQI
22nd Oct 2025337 AMAQI
22nd Oct 2025348 AMAQI
22nd Oct 2025299 AMAQI
22nd Oct 20253010 AMAQI
22nd Oct 20254011 AMAQI
22nd Oct 20254312 PMAQI
22nd Oct 2025331 PMAQI
22nd Oct 2025312 PMAQI
22nd Oct 2025303 PMAQI
22nd Oct 2025464 PMAQI
22nd Oct 2025515 PMAQI
22nd Oct 2025506 PMAQI
22nd Oct 2025487 PMAQI
22nd Oct 2025508 PMAQI
22nd Oct 2025489 PMAQI
22nd Oct 20254610 PMAQI
22nd Oct 20254911 PMAQI
23rd Oct 20254912 AMAQI
23rd Oct 2025421 AMAQI
23rd Oct 2025392 AMAQI
23rd Oct 2025423 AMAQI
23rd Oct 2025464 AMAQI
23rd Oct 2025345 AMAQI
13°C12/14°C
23rd Oct 2025316 AMAQI
23rd Oct 2025217 AMAQI
23rd Oct 2025228 AMAQI
23rd Oct 2025319 AMAQI
23rd Oct 20253410 AMAQI
23rd Oct 20255311 AMAQI
23rd Oct 20254612 PMAQI
23rd Oct 2025241 PMAQI
23rd Oct 2025312 PMAQI
23rd Oct 2025343 PMAQI
23rd Oct 2025304 PMAQI
23rd Oct 2025315 PMAQI
23rd Oct 2025286 PMAQI
23rd Oct 2025347 PMAQI
23rd Oct 2025378 PMAQI
23rd Oct 2025389 PMAQI
23rd Oct 20254610 PMAQI
23rd Oct 20254611 PMAQI
24th Oct 20254512 AMAQI
24th Oct 2025481 AMAQI
24th Oct 2025402 AMAQI
24th Oct 2025393 AMAQI
24th Oct 2025444 AMAQI
24th Oct 2025435 AMAQI
15°C12/18°C
24th Oct 2025446 AMAQI
24th Oct 2025367 AMAQI
24th Oct 2025448 AMAQI
24th Oct 2025439 AMAQI
24th Oct 20254010 AMAQI
24th Oct 20253711 AMAQI
24th Oct 20253812 PMAQI
24th Oct 2025401 PMAQI
24th Oct 2025432 PMAQI
24th Oct 2025463 PMAQI
24th Oct 2025444 PMAQI
24th Oct 2025485 PMAQI
24th Oct 2025466 PMAQI
24th Oct 2025507 PMAQI
24th Oct 2025518 PMAQI
24th Oct 2025499 PMAQI
24th Oct 20254810 PMAQI
24th Oct 20254011 PMAQI
25th Oct 20254012 AMAQI
25th Oct 2025391 AMAQI
25th Oct 2025392 AMAQI
25th Oct 2025403 AMAQI
25th Oct 2025444 AMAQI
25th Oct 2025405 AMAQI
15°C11/19°C
25th Oct 2025286 AMAQI
25th Oct 2025287 AMAQI
25th Oct 2025328 AMAQI
25th Oct 2025339 AMAQI
25th Oct 20253010 AMAQI
25th Oct 20253411 AMAQI
25th Oct 20254212 PMAQI
25th Oct 2025531 PMAQI
25th Oct 2025472 PMAQI
25th Oct 2025453 PMAQI
25th Oct 2025404 PMAQI
25th Oct 2025405 PMAQI
25th Oct 2025426 PMAQI
25th Oct 2025337 PMAQI
25th Oct 2025328 PMAQI
25th Oct 2025329 PMAQI
25th Oct 20252810 PMAQI
25th Oct 20254511 PMAQI
26th Oct 20254712 AMAQI
26th Oct 2025421 AMAQI
26th Oct 2025272 AMAQI
26th Oct 2025353 AMAQI
26th Oct 2025444 AMAQI
26th Oct 2025425 AMAQI
14°C13/14°C
26th Oct 2025306 AMAQI
26th Oct 2025177 AMAQI
26th Oct 2025178 AMAQI
26th Oct 2025179 AMAQI
26th Oct 20251710 AMAQI
26th Oct 20252411 AMAQI
26th Oct 20252612 PMAQI
26th Oct 2025251 PMAQI
26th Oct 2025172 PMAQI
26th Oct 2025183 PMAQI
26th Oct 2025194 PMAQI
26th Oct 2025295 PMAQI
26th Oct 2025326 PMAQI
26th Oct 2025327 PMAQI
26th Oct 2025308 PMAQI
26th Oct 2025279 PMAQI
26th Oct 20252210 PMAQI
26th Oct 20253311 PMAQI
27th Oct 20253812 AMAQI
27th Oct 2025411 AMAQI
27th Oct 2025342 AMAQI
27th Oct 2025253 AMAQI
27th Oct 2025304 AMAQI
27th Oct 2025375 AMAQI
15°C14/16°C
27th Oct 2025396 AMAQI
27th Oct 2025367 AMAQI
27th Oct 2025248 AMAQI
27th Oct 2025279 AMAQI
27th Oct 20252810 AMAQI
27th Oct 20253311 AMAQI
27th Oct 20254712 PMAQI
27th Oct 2025531 PMAQI
27th Oct 2025492 PMAQI
27th Oct 2025473 PMAQI
27th Oct 2025364 PMAQI
27th Oct 2025285 PMAQI
27th Oct 2025446 PMAQI
27th Oct 2025487 PMAQI
27th Oct 2025468 PMAQI
27th Oct 2025559 PMAQI
27th Oct 20255610 PMAQI
27th Oct 20255311 PMAQI
28th Oct 20255312 AMAQI
28th Oct 2025531 AMAQI
28th Oct 2025542 AMAQI
28th Oct 2025553 AMAQI
28th Oct 2025544 AMAQI
28th Oct 2025535 AMAQI
18°C15/23°C
28th Oct 2025356 AMAQI
28th Oct 2025287 AMAQI
28th Oct 2025378 AMAQI
28th Oct 2025489 AMAQI
28th Oct 20255110 AMAQI
28th Oct 20253811 AMAQI
28th Oct 20252912 PMAQI
28th Oct 2025281 PMAQI
28th Oct 2025322 PMAQI
28th Oct 2025283 PMAQI
28th Oct 2025344 PMAQI
28th Oct 2025285 PMAQI
28th Oct 2025286 PMAQI
28th Oct 2025287 PMAQI
28th Oct 2025318 PMAQI
28th Oct 2025389 PMAQI
28th Oct 20253310 PMAQI
28th Oct 20252911 PMAQI
29th Oct 20253012 AMAQI
29th Oct 2025281 AMAQI
29th Oct 2025282 AMAQI
29th Oct 2025303 AMAQI
29th Oct 2025304 AMAQI
29th Oct 2025325 AMAQI
16°C14/20°C
29th Oct 2025286 AMAQI
29th Oct 2025277 AMAQI
29th Oct 2025288 AMAQI
29th Oct 2025309 AMAQI
29th Oct 20253210 AMAQI
29th Oct 20253311 AMAQI
29th Oct 20254012 PMAQI
29th Oct 2025481 PMAQI
29th Oct 2025522 PMAQI
29th Oct 2025533 PMAQI
29th Oct 2025404 PMAQI
29th Oct 2025355 PMAQI
29th Oct 2025396 PMAQI
29th Oct 2025537 PMAQI
29th Oct 2025638 PMAQI
29th Oct 2025649 PMAQI
29th Oct 20256410 PMAQI
29th Oct 20256711 PMAQI
30th Oct 20256212 AMAQI
30th Oct 2025591 AMAQI
30th Oct 2025592 AMAQI
30th Oct 2025613 AMAQI
30th Oct 2025624 AMAQI
30th Oct 2025595 AMAQI
14°C12/16°C
30th Oct 2025546 AMAQI
30th Oct 2025547 AMAQI
30th Oct 2025538 AMAQI
30th Oct 2025609 AMAQI
30th Oct 20256310 AMAQI
30th Oct 20256311 AMAQI
30th Oct 20255912 PMAQI
30th Oct 2025531 PMAQI
30th Oct 2025552 PMAQI
30th Oct 2025593 PMAQI
30th Oct 2025624 PMAQI
30th Oct 2025645 PMAQI
30th Oct 2025596 PMAQI
30th Oct 2025577 PMAQI
30th Oct 2025598 PMAQI
30th Oct 2025679 PMAQI
30th Oct 20256810 PMAQI
30th Oct 20256811 PMAQI
31st Oct 20256812 AMAQI
31st Oct 2025671 AMAQI
31st Oct 2025672 AMAQI
31st Oct 2025663 AMAQI
31st Oct 2025634 AMAQI
31st Oct 2025635 AMAQI
14°C11/18°C
31st Oct 2025616 AMAQI
31st Oct 2025517 AMAQI
31st Oct 2025528 AMAQI
31st Oct 2025549 AMAQI
31st Oct 20255610 AMAQI
31st Oct 20255511 AMAQI
31st Oct 20255812 PMAQI
31st Oct 2025651 PMAQI
31st Oct 2025602 PMAQI
31st Oct 2025603 PMAQI
31st Oct 2025564 PMAQI
31st Oct 2025595 PMAQI
31st Oct 2025606 PMAQI
31st Oct 2025607 PMAQI
31st Oct 2025618 PMAQI
31st Oct 2025569 PMAQI
31st Oct 20255210 PMAQI
31st Oct 20254011 PMAQI
1st Nov 20253112 AMAQI
1st Nov 2025231 AMAQI
1st Nov 2025282 AMAQI
1st Nov 2025303 AMAQI
1st Nov 2025284 AMAQI
1st Nov 2025245 AMAQI
15°C13/19°C
1st Nov 2025186 AMAQI
1st Nov 2025187 AMAQI
1st Nov 2025228 AMAQI
1st Nov 2025229 AMAQI
1st Nov 20251810 AMAQI
1st Nov 20251711 AMAQI
1st Nov 20252112 PMAQI
1st Nov 2025241 PMAQI
1st Nov 2025212 PMAQI
1st Nov 2025173 PMAQI
1st Nov 2025204 PMAQI
1st Nov 2025265 PMAQI
1st Nov 2025286 PMAQI
1st Nov 2025347 PMAQI
1st Nov 2025388 PMAQI
1st Nov 2025389 PMAQI
1st Nov 20254010 PMAQI
1st Nov 20254711 PMAQI
2nd Nov 20255012 AMAQI
2nd Nov 2025411 AMAQI
2nd Nov 2025472 AMAQI
2nd Nov 2025453 AMAQI
2nd Nov 2025454 AMAQI
2nd Nov 2025365 AMAQI
19°C15/24°C
2nd Nov 2025356 AMAQI
2nd Nov 2025307 AMAQI
2nd Nov 2025238 AMAQI
2nd Nov 2025279 AMAQI
2nd Nov 20252810 AMAQI
2nd Nov 20254811 AMAQI
2nd Nov 20255012 PMAQI
2nd Nov 2025461 PMAQI
2nd Nov 2025412 PMAQI
2nd Nov 2025423 PMAQI
2nd Nov 2025464 PMAQI
2nd Nov 2025525 PMAQI
2nd Nov 2025526 PMAQI
2nd Nov 2025507 PMAQI
2nd Nov 2025518 PMAQI
2nd Nov 2025549 PMAQI
2nd Nov 20255810 PMAQI
2nd Nov 20255511 PMAQI
3rd Nov 20255412 AMAQI
3rd Nov 2025551 AMAQI
3rd Nov 2025562 AMAQI
3rd Nov 2025563 AMAQI
3rd Nov 2025464 AMAQI
3rd Nov 2025425 AMAQI
16°C14/20°C
3rd Nov 2025356 AMAQI
3rd Nov 2025327 AMAQI
3rd Nov 2025388 AMAQI
3rd Nov 2025399 AMAQI
3rd Nov 20253810 AMAQI
3rd Nov 20253911 AMAQI
3rd Nov 20254212 PMAQI
3rd Nov 2025391 PMAQI
3rd Nov 2025332 PMAQI
3rd Nov 2025363 PMAQI
3rd Nov 2025294 PMAQI
3rd Nov 2025325 PMAQI
3rd Nov 2025266 PMAQI
3rd Nov 2025287 PMAQI
3rd Nov 2025318 PMAQI
3rd Nov 2025279 PMAQI
3rd Nov 20252510 PMAQI
3rd Nov 20251911 PMAQI
4th Nov 20252212 AMAQI
4th Nov 2025221 AMAQI
4th Nov 2025232 AMAQI
4th Nov 2025263 AMAQI
4th Nov 2025284 AMAQI
4th Nov 2025285 AMAQI
15°C12/18°C
4th Nov 2025266 AMAQI
4th Nov 2025287 AMAQI
4th Nov 2025268 AMAQI
4th Nov 2025289 AMAQI
4th Nov 20252810 AMAQI
4th Nov 20252811 AMAQI
4th Nov 20253412 PMAQI
4th Nov 2025391 PMAQI
4th Nov 2025442 PMAQI
4th Nov 2025513 PMAQI
4th Nov 2025494 PMAQI
4th Nov 2025445 PMAQI
4th Nov 2025406 PMAQI
4th Nov 2025367 PMAQI
4th Nov 2025418 PMAQI
4th Nov 2025549 PMAQI
4th Nov 20255810 PMAQI
4th Nov 20255311 PMAQI
5th Nov 20254812 AMAQI
5th Nov 2025441 AMAQI
5th Nov 2025412 AMAQI
5th Nov 2025413 AMAQI
5th Nov 2025404 AMAQI
5th Nov 2025385 AMAQI
13°C10/16°C
5th Nov 2025346 AMAQI
5th Nov 2025367 AMAQI
5th Nov 2025398 AMAQI
5th Nov 2025429 AMAQI
5th Nov 20254310 AMAQI
5th Nov 20253611 AMAQI
5th Nov 20254012 PMAQI
5th Nov 2025501 PMAQI
5th Nov 2025522 PMAQI
5th Nov 2025423 PMAQI
5th Nov 2025514 PMAQI
5th Nov 2025525 PMAQI
5th Nov 2025486 PMAQI
5th Nov 2025427 PMAQI
5th Nov 2025438 PMAQI
5th Nov 2025549 PMAQI
5th Nov 20255510 PMAQI
5th Nov 20256111 PMAQI
6th Nov 20255812 AMAQI
6th Nov 2025571 AMAQI
6th Nov 2025572 AMAQI
6th Nov 2025503 AMAQI
6th Nov 2025494 AMAQI
6th Nov 2025515 AMAQI
14°C11/18°C
6th Nov 2025436 AMAQI
6th Nov 2025447 AMAQI
6th Nov 2025418 AMAQI
6th Nov 2025399 AMAQI
6th Nov 20253410 AMAQI
6th Nov 20253311 AMAQI
6th Nov 20253712 PMAQI
6th Nov 2025391 PMAQI
6th Nov 2025402 PMAQI
6th Nov 2025353 PMAQI
6th Nov 2025374 PMAQI
6th Nov 2025305 PMAQI
6th Nov 2025326 PMAQI
6th Nov 2025357 PMAQI
6th Nov 2025488 PMAQI
6th Nov 2025459 PMAQI
6th Nov 20254210 PMAQI
6th Nov 20254411 PMAQI
7th Nov 20255212 AMAQI
7th Nov 2025511 AMAQI
7th Nov 2025532 AMAQI
7th Nov 2025533 AMAQI
7th Nov 2025454 AMAQI
7th Nov 2025445 AMAQI
14°C13/16°C
7th Nov 2025486 AMAQI
7th Nov 2025457 AMAQI
7th Nov 2025488 AMAQI
7th Nov 2025509 AMAQI
7th Nov 20255310 AMAQI
7th Nov 20255311 AMAQI
7th Nov 20255612 PMAQI
7th Nov 2025561 PMAQI
7th Nov 2025532 PMAQI
7th Nov 2025503 PMAQI
7th Nov 2025524 PMAQI
7th Nov 2025495 PMAQI
7th Nov 2025436 PMAQI
7th Nov 2025487 PMAQI
7th Nov 2025558 PMAQI
7th Nov 2025549 PMAQI
7th Nov 20255410 PMAQI
7th Nov 20255011 PMAQI
8th Nov 20254212 AMAQI
8th Nov 2025431 AMAQI
8th Nov 2025402 AMAQI
8th Nov 2025423 AMAQI
8th Nov 2025444 AMAQI
8th Nov 2025485 AMAQI
16°C12/20°C
8th Nov 2025426 AMAQI
8th Nov 2025457 AMAQI
8th Nov 2025498 AMAQI
8th Nov 2025519 AMAQI
8th Nov 20255010 AMAQI
8th Nov 20255411 AMAQI
8th Nov 20256312 PMAQI
8th Nov 2025631 PMAQI
8th Nov 2025622 PMAQI
8th Nov 2025603 PMAQI
8th Nov 2025604 PMAQI
8th Nov 2025565 PMAQI
8th Nov 2025536 PMAQI
8th Nov 2025537 PMAQI
8th Nov 2025568 PMAQI
8th Nov 2025529 PMAQI
8th Nov 20254710 PMAQI
8th Nov 20254311 PMAQI
9th Nov 20254412 AMAQI
9th Nov 2025541 AMAQI
9th Nov 2025552 AMAQI
9th Nov 2025493 AMAQI
9th Nov 2025474 AMAQI
9th Nov 2025445 AMAQI
13°C11/16°C
9th Nov 2025446 AMAQI
9th Nov 2025427 AMAQI
9th Nov 2025308 AMAQI
9th Nov 2025329 AMAQI
9th Nov 20253610 AMAQI
9th Nov 20254511 AMAQI
9th Nov 20254512 PMAQI
9th Nov 2025541 PMAQI
9th Nov 2025552 PMAQI
9th Nov 2025553 PMAQI
9th Nov 2025544 PMAQI
9th Nov 2025485 PMAQI
9th Nov 2025536 PMAQI
9th Nov 2025567 PMAQI
9th Nov 2025558 PMAQI
9th Nov 2025569 PMAQI
9th Nov 20256110 PMAQI
9th Nov 20256311 PMAQI
10th Nov 20255812 AMAQI
10th Nov 2025611 AMAQI
10th Nov 2025632 AMAQI
10th Nov 2025633 AMAQI
10th Nov 2025564 AMAQI
10th Nov 2025505 AMAQI
14°C12/17°C
10th Nov 2025456 AMAQI
10th Nov 2025467 AMAQI
10th Nov 2025408 AMAQI
10th Nov 2025359 AMAQI
10th Nov 20254110 AMAQI
10th Nov 20253811 AMAQI
10th Nov 20254212 PMAQI
10th Nov 2025401 PMAQI
10th Nov 2025462 PMAQI
10th Nov 2025413 PMAQI
10th Nov 2025414 PMAQI
10th Nov 2025365 PMAQI
10th Nov 2025376 PMAQI
10th Nov 2025407 PMAQI
10th Nov 2025348 PMAQI
10th Nov 2025279 PMAQI
10th Nov 20252210 PMAQI
10th Nov 20252211 PMAQI
11th Nov 20252512 AMAQI
11th Nov 2025281 AMAQI
11th Nov 2025282 AMAQI
11th Nov 2025303 AMAQI
11th Nov 2025334 AMAQI
11th Nov 2025325 AMAQI
15°C12/20°C
11th Nov 2025336 AMAQI
11th Nov 2025337 AMAQI
11th Nov 2025358 AMAQI
11th Nov 2025399 AMAQI
11th Nov 20254010 AMAQI
11th Nov 20254211 AMAQI
11th Nov 20254812 PMAQI
11th Nov 2025541 PMAQI
11th Nov 2025522 PMAQI
11th Nov 2025513 PMAQI
11th Nov 2025464 PMAQI
11th Nov 2025425 PMAQI
11th Nov 2025516 PMAQI
11th Nov 2025517 PMAQI
11th Nov 2025508 PMAQI
11th Nov 2025479 PMAQI
11th Nov 20254510 PMAQI
11th Nov 20255311 PMAQI
12th Nov 20255612 AMAQI
12th Nov 2025561 AMAQI
12th Nov 2025552 AMAQI
12th Nov 2025553 AMAQI
12th Nov 2025514 AMAQI
12th Nov 2025475 AMAQI
12°C9/16°C
12th Nov 2025406 AMAQI
12th Nov 2025347 AMAQI
12th Nov 2025348 AMAQI
12th Nov 2025409 AMAQI
12th Nov 20254510 AMAQI
12th Nov 20254711 AMAQI
12th Nov 20254412 PMAQI
12th Nov 2025421 PMAQI
12th Nov 2025482 PMAQI
12th Nov 2025513 PMAQI
12th Nov 2025544 PMAQI
12th Nov 2025595 PMAQI
12th Nov 2025576 PMAQI
12th Nov 2025577 PMAQI
12th Nov 2025538 PMAQI
12th Nov 2025559 PMAQI
12th Nov 20256110 PMAQI
12th Nov 20256211 PMAQI
13th Nov 20256412 AMAQI
13th Nov 2025601 AMAQI
13th Nov 2025562 AMAQI
13th Nov 2025573 AMAQI
13th Nov 2025584 AMAQI
13th Nov 2025575 AMAQI
12°C9/15°C
13th Nov 2025566 AMAQI
13th Nov 2025567 AMAQI
13th Nov 2025558 AMAQI
13th Nov 2025589 AMAQI
13th Nov 20255310 AMAQI
13th Nov 20255511 AMAQI
13th Nov 20256412 PMAQI
13th Nov 2025641 PMAQI
13th Nov 2025632 PMAQI
13th Nov 2025593 PMAQI
13th Nov 2025604 PMAQI
13th Nov 2025645 PMAQI
13th Nov 2025616 PMAQI
13th Nov 2025607 PMAQI
13th Nov 2025658 PMAQI
13th Nov 2025709 PMAQI
13th Nov 20257410 PMAQI
13th Nov 20257211 PMAQI
14th Nov 20257212 AMAQI
14th Nov 2025671 AMAQI
14th Nov 2025652 AMAQI
14th Nov 2025643 AMAQI
14th Nov 2025634 AMAQI
14th Nov 2025565 AMAQI
14°C11/16°C
14th Nov 2025476 AMAQI
14th Nov 2025457 AMAQI
14th Nov 2025358 AMAQI
14th Nov 2025399 AMAQI
14th Nov 20254210 AMAQI
14th Nov 20255811 AMAQI
14th Nov 20255812 PMAQI
14th Nov 2025611 PMAQI
14th Nov 2025612 PMAQI
14th Nov 2025593 PMAQI
14th Nov 2025594 PMAQI
14th Nov 2025565 PMAQI
14th Nov 2025566 PMAQI
14th Nov 2025597 PMAQI
14th Nov 2025588 PMAQI
14th Nov 2025599 PMAQI
14th Nov 20255810 PMAQI
14th Nov 20255611 PMAQI
15th Nov 20255612 AMAQI
15th Nov 2025531 AMAQI
15th Nov 2025522 AMAQI
15th Nov 2025533 AMAQI
15th Nov 2025534 AMAQI
15th Nov 2025555 AMAQI
15°C11/18°C
15th Nov 2025546 AMAQI
15th Nov 2025537 AMAQI
15th Nov 2025528 AMAQI
15th Nov 2025529 AMAQI
15th Nov 20255310 AMAQI
15th Nov 20255411 AMAQI
15th Nov 20255412 PMAQI
15th Nov 2025541 PMAQI
15th Nov 2025542 PMAQI
15th Nov 2025523 PMAQI
15th Nov 2025514 PMAQI
15th Nov 2025515 PMAQI
15th Nov 2025536 PMAQI
15th Nov 2025467 PMAQI
15th Nov 2025498 PMAQI
15th Nov 2025559 PMAQI
15th Nov 20256710 PMAQI
15th Nov 20256411 PMAQI
16th Nov 20256012 AMAQI
16th Nov 2025581 AMAQI
16th Nov 2025582 AMAQI
16th Nov 2025563 AMAQI
16th Nov 2025554 AMAQI
16th Nov 2025555 AMAQI
14°C13/17°C
16th Nov 2025536 AMAQI
6 AM16th Nov 2025477 AMAQI
16th Nov 2025448 AMAQI
16th Nov 2025479 AMAQI
11 AM
4 PM
11 PM
5 AM
--°C/°C
Day time
Avg. Highest Time
12 PM - 4 PM
46AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
7 AM - 8 AM
39AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 4 PM (Avg. 46), while the lowest AQI was between 7 AM to 8 AM (Avg. 39).
Night time
Avg. Highest Time
12 AM - 5 AM
48AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
5 PM - 6 PM
45AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 5 AM (Avg. 48), while the lowest AQI was between 5 PM to 6 PM (Avg. 45).
2025 Days Vs Air Quality
Shiroyamacho, Oyama, Tochigi, Japan
2025
87%
276
13%
43
Total number of days with different AQI categories in last 320 days in 2025 (45 days remaining)
Good
276 DaysModerate
43 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2025, 87% of 320 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
Shiroyamacho, Oyama, 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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
31AQI
31AQI
2nd January 2025
32AQI
32AQI
3rd January 2025
26AQI
26AQI
4th January 2025
25AQI
25AQI
5th January 2025
31AQI
31AQI
6th January 2025
50AQI
50AQI
7th January 2025
34AQI
34AQI
8th January 2025
36AQI
36AQI
9th January 2025
28AQI
28AQI
10th January 2025
29AQI
29AQI
11th January 2025
26AQI
26AQI
12th January 2025
38AQI
38AQI
13th January 2025
28AQI
28AQI
14th January 2025
36AQI
36AQI
15th January 2025
35AQI
35AQI
16th January 2025
32AQI
32AQI
17th January 2025
32AQI
32AQI
18th January 2025
34AQI
34AQI
19th January 2025
51AQI
51AQI
20th January 2025
41AQI
41AQI
21st January 2025
44AQI
44AQI
22nd January 2025
39AQI
39AQI
23rd January 2025
43AQI
43AQI
24th January 2025
47AQI
47AQI
25th January 2025
36AQI
36AQI
26th January 2025
34AQI
34AQI
27th January 2025
34AQI
34AQI
28th January 2025
39AQI
39AQI
29th January 2025
31AQI
31AQI
30th January 2025
32AQI
32AQI
31st January 2025
28AQI
28AQI
1st February 2025
35AQI
35AQI
2nd February 2025
33AQI
33AQI
3rd February 2025
38AQI
38AQI
4th February 2025
30AQI
30AQI
5th February 2025
34AQI
34AQI
6th February 2025
30AQI
30AQI
7th February 2025
30AQI
30AQI
8th February 2025
31AQI
31AQI
9th February 2025
30AQI
30AQI
10th February 2025
30AQI
30AQI
11th February 2025
30AQI
30AQI
12th February 2025
39AQI
39AQI
13th February 2025
35AQI
35AQI
14th February 2025
33AQI
33AQI
15th February 2025
30AQI
30AQI
16th February 2025
39AQI
39AQI
17th February 2025
36AQI
36AQI
18th February 2025
33AQI
33AQI
19th February 2025
31AQI
31AQI
20th February 2025
31AQI
31AQI
21st February 2025
32AQI
32AQI
22nd February 2025
31AQI
31AQI
23rd February 2025
32AQI
32AQI
24th February 2025
32AQI
32AQI
25th February 2025
34AQI
34AQI
26th February 2025
38AQI
38AQI
27th February 2025
39AQI
39AQI
28th February 2025
49AQI
49AQI
1st March 2025
51AQI
51AQI
2nd March 2025
56AQI
56AQI
3rd March 2025
40AQI
40AQI
4th March 2025
38AQI
38AQI
5th March 2025
27AQI
27AQI
6th March 2025
33AQI
33AQI
7th March 2025
31AQI
31AQI
8th March 2025
39AQI
39AQI
9th March 2025
34AQI
34AQI
10th March 2025
37AQI
37AQI
11th March 2025
44AQI
44AQI
12th March 2025
46AQI
46AQI
13th March 2025
44AQI
44AQI
14th March 2025
36AQI
36AQI
15th March 2025
41AQI
41AQI
16th March 2025
23AQI
23AQI
17th March 2025
24AQI
24AQI
18th March 2025
24AQI
24AQI
19th March 2025
19AQI
19AQI
20th March 2025
25AQI
25AQI
21st March 2025
39AQI
39AQI
22nd March 2025
48AQI
48AQI
23rd March 2025
51AQI
51AQI
24th March 2025
51AQI
51AQI
25th March 2025
66AQI
66AQI
26th March 2025
59AQI
59AQI
27th March 2025
62AQI
62AQI
28th March 2025
46AQI
46AQI
29th March 2025
34AQI
34AQI
30th March 2025
27AQI
27AQI
31st March 2025
27AQI
27AQI
1st April 2025
25AQI
25AQI
2nd April 2025
22AQI
22AQI
3rd April 2025
20AQI
20AQI
4th April 2025
21AQI
21AQI
5th April 2025
22AQI
22AQI
6th April 2025
15AQI
15AQI
7th April 2025
18AQI
18AQI
8th April 2025
23AQI
23AQI
9th April 2025
17AQI
17AQI
10th April 2025
25AQI
25AQI
11th April 2025
27AQI
27AQI
12th April 2025
21AQI
21AQI
13th April 2025
19AQI
19AQI
14th April 2025
18AQI
18AQI
15th April 2025
18AQI
18AQI
16th April 2025
18AQI
18AQI
17th April 2025
31AQI
31AQI
18th April 2025
36AQI
36AQI
19th April 2025
44AQI
44AQI
20th April 2025
33AQI
33AQI
21st April 2025
28AQI
28AQI
22nd April 2025
28AQI
28AQI
23rd April 2025
17AQI
17AQI
24th April 2025
24AQI
24AQI
25th April 2025
19AQI
19AQI
26th April 2025
26AQI
26AQI
27th April 2025
25AQI
25AQI
28th April 2025
29AQI
29AQI
29th April 2025
20AQI
20AQI
30th April 2025
24AQI
24AQI
1st May 2025
21AQI
21AQI
2nd May 2025
19AQI
19AQI
3rd May 2025
20AQI
20AQI
4th May 2025
22AQI
22AQI
5th May 2025
20AQI
20AQI
6th May 2025
18AQI
18AQI
7th May 2025
17AQI
17AQI
8th May 2025
19AQI
19AQI
9th May 2025
21AQI
21AQI
10th May 2025
15AQI
15AQI
11th May 2025
16AQI
16AQI
12th May 2025
16AQI
16AQI
13th May 2025
22AQI
22AQI
14th May 2025
25AQI
25AQI
15th May 2025
27AQI
27AQI
16th May 2025
31AQI
31AQI
17th May 2025
19AQI
19AQI
18th May 2025
26AQI
26AQI
19th May 2025
25AQI
25AQI
20th May 2025
38AQI
38AQI
21st May 2025
41AQI
41AQI
22nd May 2025
35AQI
35AQI
23rd May 2025
33AQI
33AQI
24th May 2025
27AQI
27AQI
25th May 2025
21AQI
21AQI
26th May 2025
20AQI
20AQI
27th May 2025
18AQI
18AQI
28th May 2025
17AQI
17AQI
29th May 2025
19AQI
19AQI
30th May 2025
16AQI
16AQI
31st May 2025
14AQI
14AQI
1st June 2025
15AQI
15AQI
2nd June 2025
23AQI
23AQI
3rd June 2025
20AQI
20AQI
4th June 2025
19AQI
19AQI
5th June 2025
23AQI
23AQI
6th June 2025
31AQI
31AQI
7th June 2025
36AQI
36AQI
8th June 2025
47AQI
47AQI
9th June 2025
37AQI
37AQI
10th June 2025
26AQI
26AQI
11th June 2025
22AQI
22AQI
12th June 2025
26AQI
26AQI
13th June 2025
25AQI
25AQI
14th June 2025
22AQI
22AQI
15th June 2025
20AQI
20AQI
16th June 2025
22AQI
22AQI
17th June 2025
31AQI
31AQI
18th June 2025
39AQI
39AQI
19th June 2025
41AQI
41AQI
20th June 2025
40AQI
40AQI
21st June 2025
36AQI
36AQI
22nd June 2025
34AQI
34AQI
23rd June 2025
34AQI
34AQI
24th June 2025
34AQI
34AQI
25th June 2025
26AQI
26AQI
26th June 2025
28AQI
28AQI
27th June 2025
31AQI
31AQI
28th June 2025
34AQI
34AQI
29th June 2025
38AQI
38AQI
30th June 2025
43AQI
43AQI
1st July 2025
43AQI
43AQI
2nd July 2025
44AQI
44AQI
3rd July 2025
48AQI
48AQI
4th July 2025
48AQI
48AQI
5th July 2025
52AQI
52AQI
6th July 2025
58AQI
58AQI
7th July 2025
74AQI
74AQI
8th July 2025
75AQI
75AQI
9th July 2025
78AQI
78AQI
10th July 2025
59AQI
59AQI
11th July 2025
48AQI
48AQI
12th July 2025
50AQI
50AQI
13th July 2025
52AQI
52AQI
14th July 2025
40AQI
40AQI
15th July 2025
39AQI
39AQI
16th July 2025
40AQI
40AQI
17th July 2025
39AQI
39AQI
18th July 2025
38AQI
38AQI
19th July 2025
36AQI
36AQI
20th July 2025
37AQI
37AQI
21st July 2025
43AQI
43AQI
22nd July 2025
43AQI
43AQI
23rd July 2025
46AQI
46AQI
24th July 2025
48AQI
48AQI
25th July 2025
49AQI
49AQI
26th July 2025
49AQI
49AQI
27th July 2025
47AQI
47AQI
28th July 2025
45AQI
45AQI
29th July 2025
44AQI
44AQI
30th July 2025
36AQI
36AQI
31st July 2025
35AQI
35AQI
1st August 2025
34AQI
34AQI
2nd August 2025
39AQI
39AQI
3rd August 2025
43AQI
43AQI
4th August 2025
55AQI
55AQI
5th August 2025
49AQI
49AQI
6th August 2025
45AQI
45AQI
7th August 2025
40AQI
40AQI
8th August 2025
40AQI
40AQI
9th August 2025
38AQI
38AQI
10th August 2025
35AQI
35AQI
11th August 2025
35AQI
35AQI
12th August 2025
34AQI
34AQI
13th August 2025
31AQI
31AQI
14th August 2025
32AQI
32AQI
15th August 2025
32AQI
32AQI
16th August 2025
34AQI
34AQI
17th August 2025
38AQI
38AQI
18th August 2025
41AQI
41AQI
19th August 2025
43AQI
43AQI
20th August 2025
48AQI
48AQI
21st August 2025
47AQI
47AQI
22nd August 2025
47AQI
47AQI
23rd August 2025
48AQI
48AQI
24th August 2025
53AQI
53AQI
25th August 2025
53AQI
53AQI
26th August 2025
53AQI
53AQI
27th August 2025
48AQI
48AQI
28th August 2025
45AQI
45AQI
29th August 2025
49AQI
49AQI
30th August 2025
51AQI
51AQI
31st August 2025
52AQI
52AQI
1st September 2025
43AQI
43AQI
2nd September 2025
37AQI
37AQI
3rd September 2025
35AQI
35AQI
4th September 2025
36AQI
36AQI
5th September 2025
30AQI
30AQI
6th September 2025
28AQI
28AQI
7th September 2025
30AQI
30AQI
8th September 2025
34AQI
34AQI
9th September 2025
38AQI
38AQI
10th September 2025
35AQI
35AQI
11th September 2025
31AQI
31AQI
12th September 2025
30AQI
30AQI
13th September 2025
26AQI
26AQI
14th September 2025
31AQI
31AQI
15th September 2025
32AQI
32AQI
16th September 2025
43AQI
43AQI
17th September 2025
45AQI
45AQI
18th September 2025
39AQI
39AQI
19th September 2025
30AQI
30AQI
20th September 2025
27AQI
27AQI
21st September 2025
25AQI
25AQI
22nd September 2025
25AQI
25AQI
23rd September 2025
25AQI
25AQI
24th September 2025
26AQI
26AQI
25th September 2025
44AQI
44AQI
26th September 2025
52AQI
52AQI
27th September 2025
41AQI
41AQI
28th September 2025
43AQI
43AQI
29th September 2025
53AQI
53AQI
30th September 2025
43AQI
43AQI
1st October 2025
45AQI
45AQI
2nd October 2025
42AQI
42AQI
3rd October 2025
49AQI
49AQI
4th October 2025
59AQI
59AQI
5th October 2025
53AQI
53AQI
6th October 2025
54AQI
54AQI
7th October 2025
50AQI
50AQI
8th October 2025
59AQI
59AQI
9th October 2025
56AQI
56AQI
10th October 2025
56AQI
56AQI
11th October 2025
54AQI
54AQI
12th October 2025
47AQI
47AQI
13th October 2025
57AQI
57AQI
14th October 2025
52AQI
52AQI
15th October 2025
49AQI
49AQI
16th October 2025
55AQI
55AQI
17th October 2025
52AQI
52AQI
18th October 2025
57AQI
57AQI
19th October 2025
57AQI
57AQI
20th October 2025
57AQI
57AQI
21st October 2025
45AQI
45AQI
22nd October 2025
44AQI
44AQI
23rd October 2025
39AQI
39AQI
24th October 2025
44AQI
44AQI
25th October 2025
38AQI
38AQI
26th October 2025
32AQI
32AQI
27th October 2025
40AQI
40AQI
28th October 2025
41AQI
41AQI
29th October 2025
39AQI
39AQI
30th October 2025
61AQI
61AQI
31st October 2025
60AQI
60AQI
1st November 2025
29AQI
29AQI
2nd November 2025
46AQI
46AQI
3rd November 2025
40AQI
40AQI
4th November 2025
34AQI
34AQI
5th November 2025
46AQI
46AQI
6th November 2025
46AQI
46AQI
7th November 2025
50AQI
50AQI
8th November 2025
50AQI
50AQI
9th November 2025
48AQI
48AQI
10th November 2025
45AQI
45AQI
11th November 2025
38AQI
38AQI
12th November 2025
52AQI
52AQI
13th November 2025
62AQI
62AQI
14th November 2025
60AQI
60AQI
15th November 2025
54AQI
54AQI
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
35AQI
34AQI
39AQI
24AQI
23AQI
30AQI
48AQI
43AQI
35AQI
50AQI
47AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202537AQI
30
1
28
24
7
30
31
30
24
7
25
6
28
2
15
16
11
4
276
43
Highest AQI recorded in
October50AQI
Lowest AQI recorded in
May23AQI
202436AQI
16
12
30
25
6
31
17
12
28
3
30
31
220
21
Highest AQI recorded in
September48AQI
Lowest AQI recorded in
January20AQI
202326AQI
3
31
34
Highest AQI recorded in
December27AQI
Lowest AQI recorded in
November19AQI
202143AQI
20
11
17
11
6
3
43
25
Highest AQI recorded in
January44AQI
Lowest AQI recorded in
March39AQI
202040AQI
9
4
18
3
14
4
22
8
25
6
15
16
17
2
20
10
1
17
13
28
3
185
69
1
Highest AQI recorded in
August52AQI
Lowest AQI recorded in
December19AQI
Most & Least Polluted Years Over the Last 5 Years
Most Polluted Year Recorded
2021(Avg.)
43AQILeast Polluted Year Recorded
2023(Avg.)
26AQIShiroyamacho's annual 2025 AQI (37) shows an average percentage change of 4.4% (worsened AQI) compared to previous years: 2020 (40), 2021 (43), 2023 (26), 2024 (36).
