Hosoya, Utsunomiya, 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
Hosoya, Utsunomiya, Tochigi, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2025
55AQILowest AQI recorded on
8th Aug 2021
9AQISame Day Analysis (9th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 38 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 9th Aug - 10th Aug 2025
Hosoya, Utsunomiya, Tochigi, Japan
AQI
Day
Night
.
4 AM9th Aug 2025
6 PM
3 AM10th Aug 2025
Day time
Avg. Highest Time
4AM9th Aug
44AQI
Avg. Lowest Time
11AM9th Aug
22AQI
Night time
Avg. Highest Time
10PM9th Aug
46AQI
Avg. Lowest Time
1AM10th Aug
36AQI
In the last 24 hours,
Hosoya's AQI reached its highest point of 46 at 10 PM during the Night, while the lowest point, 22, was recorded at 11 AM during the Day between 9th Aug and 10th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Hosoya, Utsunomiya, Tochigi, Japan
JulAug
11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th
Day
Night
11th Jul 2025634 AMAQI
11th Jul 2025625 AMAQI
11th Jul 2025626 AMAQI
11th Jul 2025627 AMAQI
11th Jul 2025628 AMAQI
11th Jul 2025289 AMAQI
11th Jul 20251710 AMAQI
11th Jul 20251611 AMAQI
11th Jul 20251812 PMAQI
11th Jul 2025241 PMAQI
11th Jul 2025262 PMAQI
11th Jul 2025303 PMAQI
11th Jul 2025284 PMAQI
11th Jul 2025275 PMAQI
11th Jul 2025316 PMAQI
11th Jul 2025327 PMAQI
11th Jul 2025428 PMAQI
11th Jul 2025529 PMAQI
11th Jul 20255210 PMAQI
11th Jul 20255211 PMAQI
12th Jul 20255212 AMAQI
12th Jul 2025531 AMAQI
12th Jul 2025572 AMAQI
12th Jul 2025613 AMAQI
21°C20/22°C
12th Jul 2025584 AMAQI
12th Jul 2025565 AMAQI
12th Jul 2025566 AMAQI
12th Jul 2025567 AMAQI
12th Jul 2025568 AMAQI
12th Jul 2025289 AMAQI
12th Jul 20252310 AMAQI
12th Jul 20252811 AMAQI
12th Jul 20253112 PMAQI
12th Jul 2025331 PMAQI
12th Jul 2025342 PMAQI
12th Jul 2025433 PMAQI
12th Jul 2025424 PMAQI
12th Jul 2025385 PMAQI
12th Jul 2025386 PMAQI
12th Jul 2025397 PMAQI
12th Jul 2025428 PMAQI
12th Jul 2025529 PMAQI
12th Jul 20255210 PMAQI
12th Jul 20255211 PMAQI
13th Jul 20255012 AMAQI
13th Jul 2025481 AMAQI
13th Jul 2025542 AMAQI
13th Jul 2025563 AMAQI
22°C20/25°C
13th Jul 2025554 AMAQI
13th Jul 2025545 AMAQI
13th Jul 2025536 AMAQI
13th Jul 2025537 AMAQI
13th Jul 2025548 AMAQI
13th Jul 2025419 AMAQI
13th Jul 20252810 AMAQI
13th Jul 20253811 AMAQI
13th Jul 20255012 PMAQI
13th Jul 2025531 PMAQI
13th Jul 2025542 PMAQI
13th Jul 2025523 PMAQI
13th Jul 2025494 PMAQI
13th Jul 2025485 PMAQI
13th Jul 2025526 PMAQI
13th Jul 2025537 PMAQI
13th Jul 2025538 PMAQI
13th Jul 2025539 PMAQI
13th Jul 20255010 PMAQI
13th Jul 20254711 PMAQI
14th Jul 20254612 AMAQI
14th Jul 2025441 AMAQI
14th Jul 2025482 AMAQI
14th Jul 2025533 AMAQI
25°C20/30°C
14th Jul 2025524 AMAQI
14th Jul 2025525 AMAQI
14th Jul 2025526 AMAQI
14th Jul 2025527 AMAQI
14th Jul 2025528 AMAQI
14th Jul 2025299 AMAQI
14th Jul 20251810 AMAQI
14th Jul 20251611 AMAQI
14th Jul 20251712 PMAQI
14th Jul 2025231 PMAQI
14th Jul 2025222 PMAQI
14th Jul 2025203 PMAQI
14th Jul 2025204 PMAQI
14th Jul 2025195 PMAQI
14th Jul 2025236 PMAQI
14th Jul 2025247 PMAQI
14th Jul 2025288 PMAQI
14th Jul 2025379 PMAQI
14th Jul 20254310 PMAQI
14th Jul 20254611 PMAQI
15th Jul 20254012 AMAQI
15th Jul 2025461 AMAQI
15th Jul 2025522 AMAQI
15th Jul 2025523 AMAQI
24°C22/28°C
15th Jul 2025504 AMAQI
15th Jul 2025475 AMAQI
15th Jul 2025476 AMAQI
15th Jul 2025477 AMAQI
15th Jul 2025488 AMAQI
15th Jul 2025249 AMAQI
15th Jul 20252010 AMAQI
15th Jul 20253211 AMAQI
15th Jul 20253012 PMAQI
15th Jul 2025261 PMAQI
15th Jul 2025282 PMAQI
15th Jul 2025273 PMAQI
15th Jul 2025264 PMAQI
15th Jul 2025235 PMAQI
15th Jul 2025286 PMAQI
15th Jul 2025267 PMAQI
15th Jul 2025308 PMAQI
15th Jul 2025409 PMAQI
15th Jul 20253810 PMAQI
15th Jul 20253811 PMAQI
16th Jul 20253712 AMAQI
16th Jul 2025371 AMAQI
16th Jul 2025462 AMAQI
16th Jul 2025493 AMAQI
25°C24/28°C
16th Jul 2025484 AMAQI
16th Jul 2025445 AMAQI
16th Jul 2025446 AMAQI
16th Jul 2025447 AMAQI
16th Jul 2025448 AMAQI
16th Jul 2025519 AMAQI
16th Jul 20255510 AMAQI
16th Jul 20255511 AMAQI
16th Jul 20255212 PMAQI
16th Jul 2025441 PMAQI
16th Jul 2025342 PMAQI
16th Jul 2025303 PMAQI
16th Jul 2025284 PMAQI
16th Jul 2025275 PMAQI
16th Jul 2025336 PMAQI
16th Jul 2025397 PMAQI
16th Jul 2025368 PMAQI
16th Jul 2025379 PMAQI
16th Jul 20253910 PMAQI
16th Jul 20253611 PMAQI
17th Jul 20253412 AMAQI
17th Jul 2025341 AMAQI
17th Jul 2025402 AMAQI
17th Jul 2025443 AMAQI
26°C23/29°C
17th Jul 2025454 AMAQI
17th Jul 2025475 AMAQI
17th Jul 2025466 AMAQI
17th Jul 2025467 AMAQI
17th Jul 2025468 AMAQI
17th Jul 2025239 AMAQI
17th Jul 20251610 AMAQI
17th Jul 20252011 AMAQI
17th Jul 20252712 PMAQI
17th Jul 2025331 PMAQI
17th Jul 2025352 PMAQI
17th Jul 2025353 PMAQI
17th Jul 2025324 PMAQI
17th Jul 2025295 PMAQI
17th Jul 2025346 PMAQI
17th Jul 2025357 PMAQI
17th Jul 2025388 PMAQI
17th Jul 2025419 PMAQI
17th Jul 20254010 PMAQI
17th Jul 20254011 PMAQI
18th Jul 20254012 AMAQI
18th Jul 2025411 AMAQI
18th Jul 2025422 AMAQI
18th Jul 2025433 AMAQI
27°C25/31°C
18th Jul 2025424 AMAQI
18th Jul 2025405 AMAQI
18th Jul 2025406 AMAQI
18th Jul 2025397 AMAQI
18th Jul 2025408 AMAQI
18th Jul 2025329 AMAQI
18th Jul 20252710 AMAQI
18th Jul 20252811 AMAQI
18th Jul 20253612 PMAQI
18th Jul 2025361 PMAQI
18th Jul 2025372 PMAQI
18th Jul 2025363 PMAQI
18th Jul 2025324 PMAQI
18th Jul 2025345 PMAQI
18th Jul 2025326 PMAQI
18th Jul 2025267 PMAQI
18th Jul 2025288 PMAQI
18th Jul 2025359 PMAQI
18th Jul 20253310 PMAQI
18th Jul 20253311 PMAQI
19th Jul 20253212 AMAQI
19th Jul 2025351 AMAQI
19th Jul 2025372 AMAQI
19th Jul 2025443 AMAQI
27°C23/32°C
19th Jul 2025414 AMAQI
19th Jul 2025405 AMAQI
19th Jul 2025416 AMAQI
19th Jul 2025407 AMAQI
19th Jul 2025408 AMAQI
19th Jul 2025289 AMAQI
19th Jul 20252910 AMAQI
19th Jul 20252911 AMAQI
19th Jul 20253112 PMAQI
19th Jul 2025361 PMAQI
19th Jul 2025342 PMAQI
19th Jul 2025313 PMAQI
19th Jul 2025274 PMAQI
19th Jul 2025295 PMAQI
19th Jul 2025276 PMAQI
19th Jul 2025287 PMAQI
19th Jul 2025328 PMAQI
19th Jul 2025349 PMAQI
19th Jul 20253410 PMAQI
19th Jul 20253211 PMAQI
20th Jul 20253312 AMAQI
20th Jul 2025331 AMAQI
20th Jul 2025372 AMAQI
20th Jul 2025383 AMAQI
28°C23/33°C
20th Jul 2025394 AMAQI
20th Jul 2025385 AMAQI
20th Jul 2025386 AMAQI
20th Jul 2025387 AMAQI
20th Jul 2025388 AMAQI
20th Jul 2025309 AMAQI
20th Jul 20252310 AMAQI
20th Jul 20253011 AMAQI
20th Jul 20253612 PMAQI
20th Jul 2025421 PMAQI
20th Jul 2025432 PMAQI
20th Jul 2025453 PMAQI
20th Jul 2025514 PMAQI
20th Jul 2025515 PMAQI
20th Jul 2025486 PMAQI
20th Jul 2025437 PMAQI
20th Jul 2025368 PMAQI
20th Jul 2025349 PMAQI
20th Jul 20253210 PMAQI
20th Jul 20253311 PMAQI
21st Jul 20253012 AMAQI
21st Jul 2025311 AMAQI
21st Jul 2025362 AMAQI
21st Jul 2025393 AMAQI
29°C24/35°C
21st Jul 2025384 AMAQI
21st Jul 2025385 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025377 AMAQI
21st Jul 2025388 AMAQI
21st Jul 2025319 AMAQI
21st Jul 20253410 AMAQI
21st Jul 20254411 AMAQI
21st Jul 20255212 PMAQI
21st Jul 2025501 PMAQI
21st Jul 2025502 PMAQI
21st Jul 2025523 PMAQI
21st Jul 2025564 PMAQI
21st Jul 2025555 PMAQI
21st Jul 2025546 PMAQI
21st Jul 2025527 PMAQI
21st Jul 2025468 PMAQI
21st Jul 2025439 PMAQI
21st Jul 20254210 PMAQI
21st Jul 20254211 PMAQI
22nd Jul 20253912 AMAQI
22nd Jul 2025361 AMAQI
22nd Jul 2025362 AMAQI
22nd Jul 2025373 AMAQI
30°C25/36°C
22nd Jul 2025384 AMAQI
22nd Jul 2025385 AMAQI
22nd Jul 2025386 AMAQI
22nd Jul 2025397 AMAQI
22nd Jul 2025388 AMAQI
22nd Jul 2025389 AMAQI
22nd Jul 20254210 AMAQI
22nd Jul 20255011 AMAQI
22nd Jul 20255412 PMAQI
22nd Jul 2025551 PMAQI
22nd Jul 2025592 PMAQI
22nd Jul 2025593 PMAQI
22nd Jul 2025584 PMAQI
22nd Jul 2025555 PMAQI
22nd Jul 2025556 PMAQI
22nd Jul 2025527 PMAQI
22nd Jul 2025458 PMAQI
22nd Jul 2025389 PMAQI
22nd Jul 20253810 PMAQI
22nd Jul 20253611 PMAQI
23rd Jul 20253612 AMAQI
23rd Jul 2025371 AMAQI
23rd Jul 2025382 AMAQI
23rd Jul 2025383 AMAQI
30°C25/36°C
23rd Jul 2025404 AMAQI
23rd Jul 2025425 AMAQI
23rd Jul 2025426 AMAQI
23rd Jul 2025427 AMAQI
23rd Jul 2025428 AMAQI
23rd Jul 2025379 AMAQI
23rd Jul 20254110 AMAQI
23rd Jul 20254311 AMAQI
23rd Jul 20255212 PMAQI
23rd Jul 2025561 PMAQI
23rd Jul 2025622 PMAQI
23rd Jul 2025613 PMAQI
23rd Jul 2025574 PMAQI
23rd Jul 2025565 PMAQI
23rd Jul 2025556 PMAQI
23rd Jul 2025467 PMAQI
23rd Jul 2025408 PMAQI
23rd Jul 2025389 PMAQI
23rd Jul 20253410 PMAQI
23rd Jul 20253811 PMAQI
24th Jul 20253812 AMAQI
24th Jul 2025391 AMAQI
24th Jul 2025402 AMAQI
24th Jul 2025403 AMAQI
30°C25/36°C
24th Jul 2025424 AMAQI
24th Jul 2025435 AMAQI
24th Jul 2025436 AMAQI
24th Jul 2025437 AMAQI
24th Jul 2025438 AMAQI
24th Jul 2025409 AMAQI
24th Jul 20254710 AMAQI
24th Jul 20255311 AMAQI
24th Jul 20255812 PMAQI
24th Jul 2025591 PMAQI
24th Jul 2025622 PMAQI
24th Jul 2025603 PMAQI
24th Jul 2025614 PMAQI
24th Jul 2025605 PMAQI
24th Jul 2025606 PMAQI
24th Jul 2025597 PMAQI
24th Jul 2025548 PMAQI
24th Jul 2025529 PMAQI
24th Jul 20255110 PMAQI
24th Jul 20254411 PMAQI
25th Jul 20253912 AMAQI
25th Jul 2025401 AMAQI
25th Jul 2025422 AMAQI
25th Jul 2025423 AMAQI
30°C25/36°C
25th Jul 2025444 AMAQI
25th Jul 2025465 AMAQI
25th Jul 2025466 AMAQI
25th Jul 2025467 AMAQI
25th Jul 2025468 AMAQI
25th Jul 2025479 AMAQI
25th Jul 20255210 AMAQI
25th Jul 20256011 AMAQI
25th Jul 20255912 PMAQI
25th Jul 2025581 PMAQI
25th Jul 2025592 PMAQI
25th Jul 2025623 PMAQI
25th Jul 2025614 PMAQI
25th Jul 2025575 PMAQI
25th Jul 2025546 PMAQI
25th Jul 2025537 PMAQI
25th Jul 2025568 PMAQI
25th Jul 2025549 PMAQI
25th Jul 20255410 PMAQI
25th Jul 20255211 PMAQI
26th Jul 20255012 AMAQI
26th Jul 2025501 AMAQI
26th Jul 2025402 AMAQI
26th Jul 2025443 AMAQI
30°C24/37°C
26th Jul 2025474 AMAQI
26th Jul 2025485 AMAQI
26th Jul 2025486 AMAQI
26th Jul 2025487 AMAQI
26th Jul 2025488 AMAQI
26th Jul 2025569 AMAQI
26th Jul 20256010 AMAQI
26th Jul 20256111 AMAQI
26th Jul 20255312 PMAQI
26th Jul 2025561 PMAQI
26th Jul 2025602 PMAQI
26th Jul 2025663 PMAQI
26th Jul 2025644 PMAQI
26th Jul 2025605 PMAQI
26th Jul 2025586 PMAQI
26th Jul 2025597 PMAQI
26th Jul 2025588 PMAQI
26th Jul 2025549 PMAQI
26th Jul 20255310 PMAQI
26th Jul 20255111 PMAQI
27th Jul 20254912 AMAQI
27th Jul 2025501 AMAQI
27th Jul 2025472 AMAQI
27th Jul 2025483 AMAQI
30°C24/37°C
27th Jul 2025504 AMAQI
27th Jul 2025525 AMAQI
27th Jul 2025516 AMAQI
27th Jul 2025517 AMAQI
27th Jul 2025518 AMAQI
27th Jul 2025489 AMAQI
27th Jul 20255010 AMAQI
27th Jul 20255511 AMAQI
27th Jul 20255412 PMAQI
27th Jul 2025541 PMAQI
27th Jul 2025572 PMAQI
27th Jul 2025513 PMAQI
27th Jul 2025564 PMAQI
27th Jul 2025585 PMAQI
27th Jul 2025606 PMAQI
27th Jul 2025607 PMAQI
27th Jul 2025568 PMAQI
27th Jul 2025529 PMAQI
27th Jul 20255010 PMAQI
27th Jul 20254611 PMAQI
28th Jul 20255212 AMAQI
28th Jul 2025421 AMAQI
28th Jul 2025482 AMAQI
28th Jul 2025493 AMAQI
30°C25/36°C
28th Jul 2025494 AMAQI
28th Jul 2025505 AMAQI
28th Jul 2025516 AMAQI
28th Jul 2025517 AMAQI
28th Jul 2025518 AMAQI
28th Jul 2025509 AMAQI
28th Jul 20255010 AMAQI
28th Jul 20255311 AMAQI
28th Jul 20255612 PMAQI
28th Jul 2025551 PMAQI
28th Jul 2025552 PMAQI
28th Jul 2025533 PMAQI
28th Jul 2025544 PMAQI
28th Jul 2025555 PMAQI
28th Jul 2025566 PMAQI
28th Jul 2025507 PMAQI
28th Jul 2025508 PMAQI
28th Jul 2025519 PMAQI
28th Jul 20255010 PMAQI
28th Jul 20255811 PMAQI
29th Jul 20255212 AMAQI
29th Jul 2025521 AMAQI
29th Jul 2025502 AMAQI
29th Jul 2025473 AMAQI
31°C25/37°C
29th Jul 2025484 AMAQI
29th Jul 2025505 AMAQI
29th Jul 2025506 AMAQI
29th Jul 2025507 AMAQI
29th Jul 2025518 AMAQI
29th Jul 2025569 AMAQI
29th Jul 20255710 AMAQI
29th Jul 20255511 AMAQI
29th Jul 20256412 PMAQI
29th Jul 2025601 PMAQI
29th Jul 2025602 PMAQI
29th Jul 2025603 PMAQI
29th Jul 2025564 PMAQI
29th Jul 2025565 PMAQI
29th Jul 2025566 PMAQI
29th Jul 2025427 PMAQI
29th Jul 2025338 PMAQI
29th Jul 2025429 PMAQI
29th Jul 20254410 PMAQI
29th Jul 20254311 PMAQI
30th Jul 20254812 AMAQI
30th Jul 2025441 AMAQI
30th Jul 2025492 AMAQI
30th Jul 2025503 AMAQI
30°C26/37°C
30th Jul 2025504 AMAQI
30th Jul 2025525 AMAQI
30th Jul 2025526 AMAQI
30th Jul 2025527 AMAQI
30th Jul 2025528 AMAQI
30th Jul 2025409 AMAQI
30th Jul 20253410 AMAQI
30th Jul 20252811 AMAQI
30th Jul 20253912 PMAQI
30th Jul 2025421 PMAQI
30th Jul 2025362 PMAQI
30th Jul 2025423 PMAQI
30th Jul 2025364 PMAQI
30th Jul 2025455 PMAQI
30th Jul 2025446 PMAQI
30th Jul 2025417 PMAQI
30th Jul 2025458 PMAQI
30th Jul 2025499 PMAQI
30th Jul 20255010 PMAQI
30th Jul 20254711 PMAQI
31st Jul 20254712 AMAQI
31st Jul 2025501 AMAQI
31st Jul 2025502 AMAQI
31st Jul 2025503 AMAQI
28°C24/35°C
31st Jul 2025504 AMAQI
31st Jul 2025505 AMAQI
31st Jul 2025506 AMAQI
31st Jul 2025507 AMAQI
31st Jul 2025508 AMAQI
31st Jul 2025509 AMAQI
31st Jul 20255010 AMAQI
31st Jul 20254911 AMAQI
31st Jul 20254812 PMAQI
31st Jul 2025521 PMAQI
31st Jul 2025492 PMAQI
31st Jul 2025473 PMAQI
31st Jul 2025484 PMAQI
31st Jul 2025545 PMAQI
31st Jul 2025526 PMAQI
31st Jul 2025427 PMAQI
31st Jul 2025388 PMAQI
31st Jul 2025329 PMAQI
31st Jul 20253110 PMAQI
31st Jul 20253011 PMAQI
1st Aug 20253012 AMAQI
1st Aug 2025401 AMAQI
1st Aug 2025392 AMAQI
1st Aug 2025403 AMAQI
27°C23/34°C
1st Aug 2025404 AMAQI
1st Aug 2025395 AMAQI
1st Aug 2025406 AMAQI
1st Aug 2025407 AMAQI
1st Aug 2025388 AMAQI
1st Aug 2025299 AMAQI
1st Aug 20253510 AMAQI
1st Aug 20254911 AMAQI
1st Aug 20254912 PMAQI
1st Aug 2025451 PMAQI
1st Aug 2025362 PMAQI
1st Aug 2025333 PMAQI
1st Aug 2025444 PMAQI
1st Aug 2025425 PMAQI
1st Aug 2025416 PMAQI
1st Aug 2025327 PMAQI
1st Aug 2025298 PMAQI
1st Aug 2025329 PMAQI
1st Aug 20253210 PMAQI
1st Aug 20252811 PMAQI
2nd Aug 20253112 AMAQI
2nd Aug 2025341 AMAQI
2nd Aug 2025382 AMAQI
2nd Aug 2025403 AMAQI
27°C23/31°C
2nd Aug 2025414 AMAQI
2nd Aug 2025405 AMAQI
2nd Aug 2025416 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025418 AMAQI
2nd Aug 2025429 AMAQI
2nd Aug 20253710 AMAQI
2nd Aug 20253711 AMAQI
2nd Aug 20253112 PMAQI
2nd Aug 2025481 PMAQI
2nd Aug 2025532 PMAQI
2nd Aug 2025513 PMAQI
2nd Aug 2025484 PMAQI
2nd Aug 2025505 PMAQI
2nd Aug 2025556 PMAQI
2nd Aug 2025527 PMAQI
2nd Aug 2025408 PMAQI
2nd Aug 2025379 PMAQI
2nd Aug 20253810 PMAQI
2nd Aug 20254011 PMAQI
3rd Aug 20253412 AMAQI
3rd Aug 2025361 AMAQI
3rd Aug 2025402 AMAQI
3rd Aug 2025393 AMAQI
30°C26/37°C
3rd Aug 2025404 AMAQI
3rd Aug 2025405 AMAQI
3rd Aug 2025386 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025398 AMAQI
3rd Aug 2025419 AMAQI
3rd Aug 20255610 AMAQI
3rd Aug 20254811 AMAQI
3rd Aug 20256012 PMAQI
3rd Aug 2025531 PMAQI
3rd Aug 2025552 PMAQI
3rd Aug 2025513 PMAQI
3rd Aug 2025534 PMAQI
3rd Aug 2025525 PMAQI
3rd Aug 2025546 PMAQI
3rd Aug 2025587 PMAQI
3rd Aug 2025488 PMAQI
3rd Aug 2025399 PMAQI
3rd Aug 20253610 PMAQI
3rd Aug 20253911 PMAQI
4th Aug 20253412 AMAQI
4th Aug 2025381 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025403 AMAQI
30°C26/36°C
4th Aug 2025464 AMAQI
4th Aug 2025465 AMAQI
4th Aug 2025436 AMAQI
4th Aug 2025437 AMAQI
4th Aug 2025448 AMAQI
4th Aug 2025429 AMAQI
4th Aug 20254910 AMAQI
4th Aug 20256211 AMAQI
4th Aug 20256912 PMAQI
4th Aug 2025681 PMAQI
4th Aug 2025752 PMAQI
4th Aug 2025713 PMAQI
4th Aug 2025824 PMAQI
4th Aug 2025755 PMAQI
4th Aug 2025696 PMAQI
4th Aug 2025667 PMAQI
4th Aug 2025638 PMAQI
4th Aug 2025599 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20255311 PMAQI
5th Aug 20255512 AMAQI
5th Aug 2025441 AMAQI
5th Aug 2025422 AMAQI
5th Aug 2025403 AMAQI
30°C25/37°C
5th Aug 2025484 AMAQI
5th Aug 2025525 AMAQI
5th Aug 2025506 AMAQI
5th Aug 2025507 AMAQI
5th Aug 2025528 AMAQI
5th Aug 2025549 AMAQI
5th Aug 20255810 AMAQI
5th Aug 20255811 AMAQI
5th Aug 20256812 PMAQI
5th Aug 2025561 PMAQI
5th Aug 2025542 PMAQI
5th Aug 2025553 PMAQI
5th Aug 2025604 PMAQI
5th Aug 2025595 PMAQI
5th Aug 2025546 PMAQI
5th Aug 2025497 PMAQI
5th Aug 2025528 PMAQI
5th Aug 2025459 PMAQI
5th Aug 20254810 PMAQI
5th Aug 20254411 PMAQI
6th Aug 20254712 AMAQI
6th Aug 2025491 AMAQI
6th Aug 2025492 AMAQI
6th Aug 2025483 AMAQI
32°C27/39°C
6th Aug 2025524 AMAQI
6th Aug 2025525 AMAQI
6th Aug 2025526 AMAQI
6th Aug 2025527 AMAQI
6th Aug 2025528 AMAQI
6th Aug 2025399 AMAQI
6th Aug 20254010 AMAQI
6th Aug 20253711 AMAQI
6th Aug 20255212 PMAQI
6th Aug 2025441 PMAQI
6th Aug 2025472 PMAQI
6th Aug 2025423 PMAQI
6th Aug 2025414 PMAQI
6th Aug 2025545 PMAQI
6th Aug 2025426 PMAQI
6th Aug 2025487 PMAQI
6th Aug 2025518 PMAQI
6th Aug 2025439 PMAQI
6th Aug 20254510 PMAQI
6th Aug 20254311 PMAQI
7th Aug 20254312 AMAQI
7th Aug 2025491 AMAQI
7th Aug 2025522 AMAQI
7th Aug 2025493 AMAQI
29°C26/36°C
7th Aug 2025504 AMAQI
7th Aug 2025505 AMAQI
7th Aug 2025496 AMAQI
7th Aug 2025447 AMAQI
7th Aug 2025498 AMAQI
7th Aug 2025359 AMAQI
7th Aug 20253210 AMAQI
7th Aug 20253711 AMAQI
7th Aug 20252412 PMAQI
7th Aug 2025221 PMAQI
7th Aug 2025252 PMAQI
7th Aug 2025213 PMAQI
7th Aug 2025274 PMAQI
7th Aug 2025305 PMAQI
7th Aug 2025306 PMAQI
7th Aug 2025347 PMAQI
7th Aug 2025448 PMAQI
7th Aug 2025479 PMAQI
7th Aug 20254410 PMAQI
7th Aug 20254211 PMAQI
8th Aug 20254012 AMAQI
8th Aug 2025401 AMAQI
8th Aug 2025422 AMAQI
8th Aug 2025483 AMAQI
27°C25/31°C
8th Aug 2025474 AMAQI
8th Aug 2025445 AMAQI
8th Aug 2025436 AMAQI
8th Aug 2025447 AMAQI
8th Aug 2025448 AMAQI
8th Aug 2025329 AMAQI
8th Aug 20252410 AMAQI
8th Aug 20252811 AMAQI
8th Aug 20253012 PMAQI
8th Aug 2025371 PMAQI
8th Aug 2025322 PMAQI
8th Aug 2025243 PMAQI
8th Aug 2025224 PMAQI
8th Aug 2025245 PMAQI
8th Aug 2025286 PMAQI
8th Aug 2025307 PMAQI
8th Aug 2025348 PMAQI
8th Aug 2025379 PMAQI
8th Aug 20253610 PMAQI
8th Aug 20253811 PMAQI
9th Aug 20253812 AMAQI
9th Aug 2025381 AMAQI
9th Aug 2025402 AMAQI
9th Aug 2025463 AMAQI
26°C22/34°C
9th Aug 2025444 AMAQI
9th Aug 2025415 AMAQI
9th Aug 2025426 AMAQI
9th Aug 2025407 AMAQI
9th Aug 2025418 AMAQI
9th Aug 2025279 AMAQI
9th Aug 20252210 AMAQI
9th Aug 20252211 AMAQI
9th Aug 20252812 PMAQI
9th Aug 2025361 PMAQI
9th Aug 2025332 PMAQI
9th Aug 2025353 PMAQI
9th Aug 2025394 PMAQI
9th Aug 2025325 PMAQI
9th Aug 2025356 PMAQI
9th Aug 2025387 PMAQI
9th Aug 2025398 PMAQI
9th Aug 2025439 PMAQI
9th Aug 20254610 PMAQI
9th Aug 20254511 PMAQI
10th Aug 20253912 AMAQI
10th Aug 2025361 AMAQI
10th Aug 2025402 AMAQI
10th Aug 2025433 AMAQI
26°C21/32°C
10th Aug 2025424 AMAQI
4 AM10th Aug 2025405 AMAQI
10th Aug 2025396 AMAQI
10th Aug 2025397 AMAQI
10th Aug 2025408 AMAQI
10th Aug 2025369 AMAQI
10th Aug 20253010 AMAQI
10th Aug 20253411 AMAQI
11 AM10th Aug 20254012 PMAQI
10th Aug 2025441 PMAQI
10th Aug 2025462 PMAQI
10th Aug 2025423 PMAQI
10th Aug 2025344 PMAQI
10th Aug 2025265 PMAQI
10th Aug 2025286 PMAQI
6 PM10th Aug 2025307 PMAQI
10th Aug 2025278 PMAQI
10th Aug 2025349 PMAQI
10th Aug 20253510 PMAQI
10th Aug 20253211 PMAQI
11 PM3 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
38AQI
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. 38).
Night time
Avg. Highest Time
12 AM - 3 AM
44AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
12 AM - 11 PM
43AQI
9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 44), while the lowest AQI was between 12 AM to 11 PM (Avg. 43).
2025 Days Vs Air Quality
Hosoya, Utsunomiya, Tochigi, Japan
2025
83%
184
17%
37
Total number of days with different AQI categories in last 222 days in 2025 (143 days remaining)
Good
184 DaysModerate
37 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2025, 83% of 222 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
Hosoya, Utsunomiya, 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
28AQI
28AQI
2nd January 2025
29AQI
29AQI
3rd January 2025
25AQI
25AQI
4th January 2025
25AQI
25AQI
5th January 2025
30AQI
30AQI
6th January 2025
47AQI
47AQI
7th January 2025
31AQI
31AQI
8th January 2025
33AQI
33AQI
9th January 2025
33AQI
33AQI
10th January 2025
27AQI
27AQI
11th January 2025
29AQI
29AQI
12th January 2025
31AQI
31AQI
13th January 2025
35AQI
35AQI
14th January 2025
40AQI
40AQI
15th January 2025
38AQI
38AQI
16th January 2025
34AQI
34AQI
17th January 2025
35AQI
35AQI
18th January 2025
32AQI
32AQI
19th January 2025
49AQI
49AQI
20th January 2025
40AQI
40AQI
21st January 2025
44AQI
44AQI
22nd January 2025
39AQI
39AQI
23rd January 2025
43AQI
43AQI
24th January 2025
46AQI
46AQI
25th January 2025
36AQI
36AQI
26th January 2025
36AQI
36AQI
27th January 2025
32AQI
32AQI
28th January 2025
37AQI
37AQI
29th January 2025
30AQI
30AQI
30th January 2025
32AQI
32AQI
31st January 2025
30AQI
30AQI
1st February 2025
30AQI
30AQI
2nd February 2025
36AQI
36AQI
3rd February 2025
33AQI
33AQI
4th February 2025
31AQI
31AQI
5th February 2025
31AQI
31AQI
6th February 2025
29AQI
29AQI
7th February 2025
29AQI
29AQI
8th February 2025
31AQI
31AQI
9th February 2025
27AQI
27AQI
10th February 2025
29AQI
29AQI
11th February 2025
29AQI
29AQI
12th February 2025
35AQI
35AQI
13th February 2025
34AQI
34AQI
14th February 2025
33AQI
33AQI
15th February 2025
28AQI
28AQI
16th February 2025
40AQI
40AQI
17th February 2025
37AQI
37AQI
18th February 2025
32AQI
32AQI
19th February 2025
29AQI
29AQI
20th February 2025
30AQI
30AQI
21st February 2025
31AQI
31AQI
22nd February 2025
30AQI
30AQI
23rd February 2025
30AQI
30AQI
24th February 2025
32AQI
32AQI
25th February 2025
40AQI
40AQI
26th February 2025
41AQI
41AQI
27th February 2025
45AQI
45AQI
28th February 2025
51AQI
51AQI
1st March 2025
55AQI
55AQI
2nd March 2025
58AQI
58AQI
3rd March 2025
38AQI
38AQI
4th March 2025
39AQI
39AQI
5th March 2025
29AQI
29AQI
6th March 2025
35AQI
35AQI
7th March 2025
31AQI
31AQI
8th March 2025
41AQI
41AQI
9th March 2025
36AQI
36AQI
10th March 2025
39AQI
39AQI
11th March 2025
45AQI
45AQI
12th March 2025
50AQI
50AQI
13th March 2025
49AQI
49AQI
14th March 2025
48AQI
48AQI
15th March 2025
46AQI
46AQI
16th March 2025
28AQI
28AQI
17th March 2025
26AQI
26AQI
18th March 2025
26AQI
26AQI
19th March 2025
20AQI
20AQI
20th March 2025
29AQI
29AQI
21st March 2025
40AQI
40AQI
22nd March 2025
51AQI
51AQI
23rd March 2025
55AQI
55AQI
24th March 2025
54AQI
54AQI
25th March 2025
69AQI
69AQI
26th March 2025
65AQI
65AQI
27th March 2025
70AQI
70AQI
28th March 2025
57AQI
57AQI
29th March 2025
38AQI
38AQI
30th March 2025
39AQI
39AQI
31st March 2025
33AQI
33AQI
1st April 2025
28AQI
28AQI
2nd April 2025
23AQI
23AQI
3rd April 2025
24AQI
24AQI
4th April 2025
24AQI
24AQI
5th April 2025
31AQI
31AQI
6th April 2025
27AQI
27AQI
7th April 2025
30AQI
30AQI
8th April 2025
42AQI
42AQI
9th April 2025
30AQI
30AQI
10th April 2025
46AQI
46AQI
11th April 2025
39AQI
39AQI
12th April 2025
39AQI
39AQI
13th April 2025
27AQI
27AQI
14th April 2025
26AQI
26AQI
15th April 2025
30AQI
30AQI
16th April 2025
27AQI
27AQI
17th April 2025
44AQI
44AQI
18th April 2025
53AQI
53AQI
19th April 2025
66AQI
66AQI
20th April 2025
62AQI
62AQI
21st April 2025
45AQI
45AQI
22nd April 2025
53AQI
53AQI
23rd April 2025
30AQI
30AQI
24th April 2025
39AQI
39AQI
25th April 2025
33AQI
33AQI
26th April 2025
48AQI
48AQI
27th April 2025
46AQI
46AQI
28th April 2025
54AQI
54AQI
29th April 2025
33AQI
33AQI
30th April 2025
47AQI
47AQI
1st May 2025
42AQI
42AQI
2nd May 2025
33AQI
33AQI
3rd May 2025
33AQI
33AQI
4th May 2025
34AQI
34AQI
5th May 2025
37AQI
37AQI
6th May 2025
33AQI
33AQI
7th May 2025
27AQI
27AQI
8th May 2025
31AQI
31AQI
9th May 2025
38AQI
38AQI
10th May 2025
21AQI
21AQI
11th May 2025
24AQI
24AQI
12th May 2025
22AQI
22AQI
13th May 2025
37AQI
37AQI
14th May 2025
41AQI
41AQI
15th May 2025
44AQI
44AQI
16th May 2025
50AQI
50AQI
17th May 2025
33AQI
33AQI
18th May 2025
39AQI
39AQI
19th May 2025
42AQI
42AQI
20th May 2025
56AQI
56AQI
21st May 2025
62AQI
62AQI
22nd May 2025
52AQI
52AQI
23rd May 2025
50AQI
50AQI
24th May 2025
40AQI
40AQI
25th May 2025
32AQI
32AQI
26th May 2025
30AQI
30AQI
27th May 2025
28AQI
28AQI
28th May 2025
28AQI
28AQI
29th May 2025
32AQI
32AQI
30th May 2025
28AQI
28AQI
31st May 2025
19AQI
19AQI
1st June 2025
24AQI
24AQI
2nd June 2025
35AQI
35AQI
3rd June 2025
39AQI
39AQI
4th June 2025
32AQI
32AQI
5th June 2025
38AQI
38AQI
6th June 2025
48AQI
48AQI
7th June 2025
54AQI
54AQI
8th June 2025
63AQI
63AQI
9th June 2025
59AQI
59AQI
10th June 2025
45AQI
45AQI
11th June 2025
36AQI
36AQI
12th June 2025
42AQI
42AQI
13th June 2025
41AQI
41AQI
14th June 2025
39AQI
39AQI
15th June 2025
30AQI
30AQI
16th June 2025
36AQI
36AQI
17th June 2025
39AQI
39AQI
18th June 2025
37AQI
37AQI
19th June 2025
40AQI
40AQI
20th June 2025
41AQI
41AQI
21st June 2025
38AQI
38AQI
22nd June 2025
38AQI
38AQI
23rd June 2025
36AQI
36AQI
24th June 2025
35AQI
35AQI
25th June 2025
26AQI
26AQI
26th June 2025
27AQI
27AQI
27th June 2025
34AQI
34AQI
28th June 2025
35AQI
35AQI
29th June 2025
43AQI
43AQI
30th June 2025
49AQI
49AQI
1st July 2025
51AQI
51AQI
2nd July 2025
50AQI
50AQI
3rd July 2025
52AQI
52AQI
4th July 2025
52AQI
52AQI
5th July 2025
55AQI
55AQI
6th July 2025
57AQI
57AQI
7th July 2025
70AQI
70AQI
8th July 2025
74AQI
74AQI
9th July 2025
76AQI
76AQI
10th July 2025
57AQI
57AQI
11th July 2025
44AQI
44AQI
12th July 2025
46AQI
46AQI
13th July 2025
50AQI
50AQI
14th July 2025
36AQI
36AQI
15th July 2025
37AQI
37AQI
16th July 2025
41AQI
41AQI
17th July 2025
36AQI
36AQI
18th July 2025
36AQI
36AQI
19th July 2025
34AQI
34AQI
20th July 2025
38AQI
38AQI
21st July 2025
43AQI
43AQI
22nd July 2025
44AQI
44AQI
23rd July 2025
44AQI
44AQI
24th July 2025
49AQI
49AQI
25th July 2025
51AQI
51AQI
26th July 2025
53AQI
53AQI
27th July 2025
52AQI
52AQI
28th July 2025
51AQI
51AQI
29th July 2025
51AQI
51AQI
30th July 2025
45AQI
45AQI
31st July 2025
46AQI
46AQI
1st August 2025
37AQI
37AQI
2nd August 2025
42AQI
42AQI
3rd August 2025
45AQI
45AQI
4th August 2025
55AQI
55AQI
5th August 2025
51AQI
51AQI
6th August 2025
47AQI
47AQI
7th August 2025
40AQI
40AQI
8th August 2025
36AQI
36AQI
9th August 2025
38AQI
38AQI
35AQI
33AQI
43AQI
38AQI
36AQI
39AQI
49AQI
43AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202539AQI
31
27
1
22
9
25
5
28
3
27
3
17
14
7
2
184
37
Highest AQI recorded in
July49AQI
Lowest AQI recorded in
February33AQI
202429AQI
31
29
31
29
1
31
29
1
31
31
30
31
30
31
364
2
Highest AQI recorded in
April36AQI
Lowest AQI recorded in
August21AQI
202326AQI
13
30
1
30
31
31
30
31
29
31
256
1
Highest AQI recorded in
April36AQI
Lowest AQI recorded in
December21AQI
202226AQI
31
21
31
30
31
30
21
1
1
29
31
12
268
1
Highest AQI recorded in
August36AQI
Lowest AQI recorded in
January18AQI
202118AQI
31
28
29
21
31
30
31
31
30
31
30
31
354
Highest AQI recorded in
June31AQI
Lowest AQI recorded in
February7AQI
202011AQI
13
21
18
30
31
31
19
31
30
31
255
Highest AQI recorded in
August18AQI
Lowest AQI recorded in
December5AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
39AQILeast Polluted Year Recorded
2020(Avg.)
11AQIHosoya's annual 2025 AQI (39) shows an average percentage change of 104.3% (worsened AQI) compared to previous years: 2020 (11), 2021 (18), 2022 (26), 2023 (26), 2024 (29).
