Hiraidemachi, 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
Hiraidemachi, Utsunomiya, Tochigi, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
23rd Aug 2021
67AQILowest AQI recorded on
9th Aug 2023
15AQISame Day Analysis (8th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 41 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 8th Aug - 9th Aug 2025
Hiraidemachi, Utsunomiya, Tochigi, Japan
AQI
Day
Night
.
4 AM8th Aug 2025
6 PM
3 AM9th Aug 2025
Day time
Avg. Highest Time
4AM8th Aug
47AQI
Avg. Lowest Time
3PM8th Aug
22AQI
Night time
Avg. Highest Time
3AM9th Aug
46AQI
Avg. Lowest Time
7PM8th Aug
31AQI
In the last 24 hours,
Hiraidemachi's AQI reached its highest point of 47 at 4 AM during the Day, while the lowest point, 22, was recorded at 3 PM during the Day between 8th Aug and 9th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Hiraidemachi, Utsunomiya, Tochigi, Japan
JulAug
10th - 11th11th - 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
Day
Night
10th Jul 2025614 AMAQI
10th Jul 2025625 AMAQI
10th Jul 2025626 AMAQI
10th Jul 2025627 AMAQI
10th Jul 2025628 AMAQI
10th Jul 2025459 AMAQI
10th Jul 20254410 AMAQI
10th Jul 20254711 AMAQI
10th Jul 20255612 PMAQI
10th Jul 2025601 PMAQI
10th Jul 2025622 PMAQI
10th Jul 2025623 PMAQI
10th Jul 2025614 PMAQI
10th Jul 2025565 PMAQI
10th Jul 2025516 PMAQI
10th Jul 2025467 PMAQI
10th Jul 2025508 PMAQI
10th Jul 2025589 PMAQI
10th Jul 20255710 PMAQI
10th Jul 20255811 PMAQI
11th Jul 20255812 AMAQI
11th Jul 2025591 AMAQI
11th Jul 2025602 AMAQI
11th Jul 2025603 AMAQI
26°C22/31°C
11th Jul 2025614 AMAQI
11th Jul 2025605 AMAQI
11th Jul 2025606 AMAQI
11th Jul 2025607 AMAQI
11th Jul 2025608 AMAQI
11th Jul 2025289 AMAQI
11th Jul 20251710 AMAQI
11th Jul 20251611 AMAQI
11th Jul 20252012 PMAQI
11th Jul 2025381 PMAQI
11th Jul 2025402 PMAQI
11th Jul 2025403 PMAQI
11th Jul 2025394 PMAQI
11th Jul 2025425 PMAQI
11th Jul 2025446 PMAQI
11th Jul 2025427 PMAQI
11th Jul 2025488 PMAQI
11th Jul 2025579 PMAQI
11th Jul 20255610 PMAQI
11th Jul 20255611 PMAQI
12th Jul 20255612 AMAQI
12th Jul 2025581 AMAQI
12th Jul 2025582 AMAQI
12th Jul 2025583 AMAQI
21°C20/22°C
12th Jul 2025594 AMAQI
12th Jul 2025585 AMAQI
12th Jul 2025586 AMAQI
12th Jul 2025587 AMAQI
12th Jul 2025588 AMAQI
12th Jul 2025309 AMAQI
12th Jul 20252510 AMAQI
12th Jul 20253011 AMAQI
12th Jul 20253212 PMAQI
12th Jul 2025441 PMAQI
12th Jul 2025462 PMAQI
12th Jul 2025503 PMAQI
12th Jul 2025494 PMAQI
12th Jul 2025505 PMAQI
12th Jul 2025486 PMAQI
12th Jul 2025467 PMAQI
12th Jul 2025498 PMAQI
12th Jul 2025569 PMAQI
12th Jul 20255510 PMAQI
12th Jul 20255511 PMAQI
13th Jul 20255612 AMAQI
13th Jul 2025561 AMAQI
13th Jul 2025572 AMAQI
13th Jul 2025573 AMAQI
22°C20/25°C
13th Jul 2025574 AMAQI
13th Jul 2025565 AMAQI
13th Jul 2025566 AMAQI
13th Jul 2025567 AMAQI
13th Jul 2025568 AMAQI
13th Jul 2025409 AMAQI
13th Jul 20253610 AMAQI
13th Jul 20254611 AMAQI
13th Jul 20255212 PMAQI
13th Jul 2025541 PMAQI
13th Jul 2025542 PMAQI
13th Jul 2025523 PMAQI
13th Jul 2025524 PMAQI
13th Jul 2025525 PMAQI
13th Jul 2025536 PMAQI
13th Jul 2025547 PMAQI
13th Jul 2025548 PMAQI
13th Jul 2025549 PMAQI
13th Jul 20255410 PMAQI
13th Jul 20255411 PMAQI
14th Jul 20255412 AMAQI
14th Jul 2025541 AMAQI
14th Jul 2025552 AMAQI
14th Jul 2025553 AMAQI
25°C20/30°C
14th Jul 2025554 AMAQI
14th Jul 2025555 AMAQI
14th Jul 2025546 AMAQI
14th Jul 2025557 AMAQI
14th Jul 2025558 AMAQI
14th Jul 2025299 AMAQI
14th Jul 20251710 AMAQI
14th Jul 20251811 AMAQI
14th Jul 20252212 PMAQI
14th Jul 2025321 PMAQI
14th Jul 2025322 PMAQI
14th Jul 2025303 PMAQI
14th Jul 2025304 PMAQI
14th Jul 2025315 PMAQI
14th Jul 2025336 PMAQI
14th Jul 2025307 PMAQI
14th Jul 2025368 PMAQI
14th Jul 2025529 PMAQI
14th Jul 20255110 PMAQI
14th Jul 20255111 PMAQI
15th Jul 20255112 AMAQI
15th Jul 2025521 AMAQI
15th Jul 2025532 AMAQI
15th Jul 2025543 AMAQI
24°C22/28°C
15th Jul 2025534 AMAQI
15th Jul 2025525 AMAQI
15th Jul 2025526 AMAQI
15th Jul 2025527 AMAQI
15th Jul 2025528 AMAQI
15th Jul 2025259 AMAQI
15th Jul 20252110 AMAQI
15th Jul 20253311 AMAQI
15th Jul 20252912 PMAQI
15th Jul 2025341 PMAQI
15th Jul 2025332 PMAQI
15th Jul 2025343 PMAQI
15th Jul 2025324 PMAQI
15th Jul 2025345 PMAQI
15th Jul 2025356 PMAQI
15th Jul 2025337 PMAQI
15th Jul 2025388 PMAQI
15th Jul 2025489 PMAQI
15th Jul 20254810 PMAQI
15th Jul 20254911 PMAQI
16th Jul 20254812 AMAQI
16th Jul 2025501 AMAQI
16th Jul 2025512 AMAQI
16th Jul 2025523 AMAQI
25°C24/28°C
16th Jul 2025514 AMAQI
16th Jul 2025495 AMAQI
16th Jul 2025516 AMAQI
16th Jul 2025507 AMAQI
16th Jul 2025508 AMAQI
16th Jul 2025549 AMAQI
16th Jul 20255510 AMAQI
16th Jul 20255311 AMAQI
16th Jul 20254612 PMAQI
16th Jul 2025391 PMAQI
16th Jul 2025382 PMAQI
16th Jul 2025363 PMAQI
16th Jul 2025334 PMAQI
16th Jul 2025375 PMAQI
16th Jul 2025426 PMAQI
16th Jul 2025407 PMAQI
16th Jul 2025378 PMAQI
16th Jul 2025479 PMAQI
16th Jul 20254610 PMAQI
16th Jul 20254711 PMAQI
17th Jul 20254612 AMAQI
17th Jul 2025481 AMAQI
17th Jul 2025492 AMAQI
17th Jul 2025493 AMAQI
26°C23/29°C
17th Jul 2025504 AMAQI
17th Jul 2025505 AMAQI
17th Jul 2025496 AMAQI
17th Jul 2025497 AMAQI
17th Jul 2025508 AMAQI
17th Jul 2025249 AMAQI
17th Jul 20251810 AMAQI
17th Jul 20252411 AMAQI
17th Jul 20253212 PMAQI
17th Jul 2025381 PMAQI
17th Jul 2025382 PMAQI
17th Jul 2025363 PMAQI
17th Jul 2025354 PMAQI
17th Jul 2025365 PMAQI
17th Jul 2025386 PMAQI
17th Jul 2025387 PMAQI
17th Jul 2025438 PMAQI
17th Jul 2025449 PMAQI
17th Jul 20254310 PMAQI
17th Jul 20254411 PMAQI
18th Jul 20254412 AMAQI
18th Jul 2025461 AMAQI
18th Jul 2025472 AMAQI
18th Jul 2025483 AMAQI
27°C25/31°C
18th Jul 2025474 AMAQI
18th Jul 2025455 AMAQI
18th Jul 2025456 AMAQI
18th Jul 2025467 AMAQI
18th Jul 2025448 AMAQI
18th Jul 2025329 AMAQI
18th Jul 20253010 AMAQI
18th Jul 20253611 AMAQI
18th Jul 20253612 PMAQI
18th Jul 2025371 PMAQI
18th Jul 2025382 PMAQI
18th Jul 2025373 PMAQI
18th Jul 2025374 PMAQI
18th Jul 2025375 PMAQI
18th Jul 2025346 PMAQI
18th Jul 2025317 PMAQI
18th Jul 2025358 PMAQI
18th Jul 2025439 PMAQI
18th Jul 20254310 PMAQI
18th Jul 20254311 PMAQI
19th Jul 20254312 AMAQI
19th Jul 2025441 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025453 AMAQI
27°C23/32°C
19th Jul 2025454 AMAQI
19th Jul 2025445 AMAQI
19th Jul 2025446 AMAQI
19th Jul 2025447 AMAQI
19th Jul 2025448 AMAQI
19th Jul 2025329 AMAQI
19th Jul 20252910 AMAQI
19th Jul 20253211 AMAQI
19th Jul 20253612 PMAQI
19th Jul 2025361 PMAQI
19th Jul 2025342 PMAQI
19th Jul 2025323 PMAQI
19th Jul 2025344 PMAQI
19th Jul 2025345 PMAQI
19th Jul 2025346 PMAQI
19th Jul 2025327 PMAQI
19th Jul 2025358 PMAQI
19th Jul 2025409 PMAQI
19th Jul 20254010 PMAQI
19th Jul 20254011 PMAQI
20th Jul 20254012 AMAQI
20th Jul 2025421 AMAQI
20th Jul 2025442 AMAQI
20th Jul 2025443 AMAQI
28°C23/33°C
20th Jul 2025444 AMAQI
20th Jul 2025435 AMAQI
20th Jul 2025436 AMAQI
20th Jul 2025437 AMAQI
20th Jul 2025438 AMAQI
20th Jul 2025329 AMAQI
20th Jul 20252410 AMAQI
20th Jul 20253411 AMAQI
20th Jul 20254012 PMAQI
20th Jul 2025421 PMAQI
20th Jul 2025442 PMAQI
20th Jul 2025473 PMAQI
20th Jul 2025514 PMAQI
20th Jul 2025475 PMAQI
20th Jul 2025426 PMAQI
20th Jul 2025387 PMAQI
20th Jul 2025318 PMAQI
20th Jul 2025349 PMAQI
20th Jul 20253510 PMAQI
20th Jul 20253311 PMAQI
21st Jul 20253312 AMAQI
21st Jul 2025381 AMAQI
21st Jul 2025422 AMAQI
21st Jul 2025423 AMAQI
29°C24/35°C
21st Jul 2025424 AMAQI
21st Jul 2025425 AMAQI
21st Jul 2025426 AMAQI
21st Jul 2025427 AMAQI
21st Jul 2025418 AMAQI
21st Jul 2025349 AMAQI
21st Jul 20254010 AMAQI
21st Jul 20255011 AMAQI
21st Jul 20254912 PMAQI
21st Jul 2025441 PMAQI
21st Jul 2025502 PMAQI
21st Jul 2025543 PMAQI
21st Jul 2025544 PMAQI
21st Jul 2025505 PMAQI
21st Jul 2025476 PMAQI
21st Jul 2025417 PMAQI
21st Jul 2025378 PMAQI
21st Jul 2025439 PMAQI
21st Jul 20254210 PMAQI
21st Jul 20253811 PMAQI
22nd Jul 20253612 AMAQI
22nd Jul 2025371 AMAQI
22nd Jul 2025392 AMAQI
22nd Jul 2025393 AMAQI
30°C25/36°C
22nd Jul 2025394 AMAQI
22nd Jul 2025415 AMAQI
22nd Jul 2025406 AMAQI
22nd Jul 2025407 AMAQI
22nd Jul 2025418 AMAQI
22nd Jul 2025389 AMAQI
22nd Jul 20254210 AMAQI
22nd Jul 20255211 AMAQI
22nd Jul 20255312 PMAQI
22nd Jul 2025531 PMAQI
22nd Jul 2025552 PMAQI
22nd Jul 2025563 PMAQI
22nd Jul 2025544 PMAQI
22nd Jul 2025545 PMAQI
22nd Jul 2025526 PMAQI
22nd Jul 2025407 PMAQI
22nd Jul 2025348 PMAQI
22nd Jul 2025369 PMAQI
22nd Jul 20253610 PMAQI
22nd Jul 20253511 PMAQI
23rd Jul 20253612 AMAQI
23rd Jul 2025381 AMAQI
23rd Jul 2025392 AMAQI
23rd Jul 2025393 AMAQI
30°C25/36°C
23rd Jul 2025394 AMAQI
23rd Jul 2025415 AMAQI
23rd Jul 2025426 AMAQI
23rd Jul 2025417 AMAQI
23rd Jul 2025428 AMAQI
23rd Jul 2025379 AMAQI
23rd Jul 20253610 AMAQI
23rd Jul 20254311 AMAQI
23rd Jul 20255212 PMAQI
23rd Jul 2025551 PMAQI
23rd Jul 2025562 PMAQI
23rd Jul 2025543 PMAQI
23rd Jul 2025554 PMAQI
23rd Jul 2025535 PMAQI
23rd Jul 2025456 PMAQI
23rd Jul 2025387 PMAQI
23rd Jul 2025368 PMAQI
23rd Jul 2025369 PMAQI
23rd Jul 20253410 PMAQI
23rd Jul 20253511 PMAQI
24th Jul 20253412 AMAQI
24th Jul 2025381 AMAQI
24th Jul 2025402 AMAQI
24th Jul 2025403 AMAQI
30°C25/36°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 20255310 AMAQI
24th Jul 20255511 AMAQI
24th Jul 20255612 PMAQI
24th Jul 2025581 PMAQI
24th Jul 2025592 PMAQI
24th Jul 2025583 PMAQI
24th Jul 2025574 PMAQI
24th Jul 2025565 PMAQI
24th Jul 2025556 PMAQI
24th Jul 2025557 PMAQI
24th Jul 2025548 PMAQI
24th Jul 2025509 PMAQI
24th Jul 20254610 PMAQI
24th Jul 20253911 PMAQI
25th Jul 20253612 AMAQI
25th Jul 2025371 AMAQI
25th Jul 2025412 AMAQI
25th Jul 2025393 AMAQI
30°C25/36°C
25th Jul 2025424 AMAQI
25th Jul 2025455 AMAQI
25th Jul 2025456 AMAQI
25th Jul 2025457 AMAQI
25th Jul 2025448 AMAQI
25th Jul 2025559 AMAQI
25th Jul 20256010 AMAQI
25th Jul 20256011 AMAQI
25th Jul 20255812 PMAQI
25th Jul 2025551 PMAQI
25th Jul 2025562 PMAQI
25th Jul 2025583 PMAQI
25th Jul 2025574 PMAQI
25th Jul 2025505 PMAQI
25th Jul 2025456 PMAQI
25th Jul 2025467 PMAQI
25th Jul 2025468 PMAQI
25th Jul 2025469 PMAQI
25th Jul 20254710 PMAQI
25th Jul 20254411 PMAQI
26th Jul 20253812 AMAQI
26th Jul 2025381 AMAQI
26th Jul 2025422 AMAQI
26th Jul 2025423 AMAQI
30°C24/37°C
26th Jul 2025434 AMAQI
26th Jul 2025465 AMAQI
26th Jul 2025466 AMAQI
26th Jul 2025467 AMAQI
26th Jul 2025468 AMAQI
26th Jul 2025549 AMAQI
26th Jul 20255610 AMAQI
26th Jul 20255311 AMAQI
26th Jul 20255112 PMAQI
26th Jul 2025521 PMAQI
26th Jul 2025582 PMAQI
26th Jul 2025583 PMAQI
26th Jul 2025534 PMAQI
26th Jul 2025535 PMAQI
26th Jul 2025566 PMAQI
26th Jul 2025527 PMAQI
26th Jul 2025458 PMAQI
26th Jul 2025399 PMAQI
26th Jul 20253810 PMAQI
26th Jul 20253611 PMAQI
27th Jul 20253612 AMAQI
27th Jul 2025391 AMAQI
27th Jul 2025442 AMAQI
27th Jul 2025443 AMAQI
30°C24/37°C
27th Jul 2025444 AMAQI
27th Jul 2025475 AMAQI
27th Jul 2025486 AMAQI
27th Jul 2025477 AMAQI
27th Jul 2025478 AMAQI
27th Jul 2025429 AMAQI
27th Jul 20254210 AMAQI
27th Jul 20254711 AMAQI
27th Jul 20254812 PMAQI
27th Jul 2025431 PMAQI
27th Jul 2025462 PMAQI
27th Jul 2025513 PMAQI
27th Jul 2025544 PMAQI
27th Jul 2025555 PMAQI
27th Jul 2025546 PMAQI
27th Jul 2025537 PMAQI
27th Jul 2025478 PMAQI
27th Jul 2025409 PMAQI
27th Jul 20253610 PMAQI
27th Jul 20253311 PMAQI
28th Jul 20253412 AMAQI
28th Jul 2025381 AMAQI
28th Jul 2025442 AMAQI
28th Jul 2025443 AMAQI
30°C25/36°C
28th Jul 2025444 AMAQI
28th Jul 2025455 AMAQI
28th Jul 2025456 AMAQI
28th Jul 2025457 AMAQI
28th Jul 2025448 AMAQI
28th Jul 2025409 AMAQI
28th Jul 20254410 AMAQI
28th Jul 20254611 AMAQI
28th Jul 20255112 PMAQI
28th Jul 2025501 PMAQI
28th Jul 2025512 PMAQI
28th Jul 2025523 PMAQI
28th Jul 2025524 PMAQI
28th Jul 2025525 PMAQI
28th Jul 2025456 PMAQI
28th Jul 2025407 PMAQI
28th Jul 2025458 PMAQI
28th Jul 2025469 PMAQI
28th Jul 20254610 PMAQI
28th Jul 20254611 PMAQI
29th Jul 20254212 AMAQI
29th Jul 2025421 AMAQI
29th Jul 2025422 AMAQI
29th Jul 2025433 AMAQI
31°C25/37°C
29th Jul 2025434 AMAQI
29th Jul 2025445 AMAQI
29th Jul 2025446 AMAQI
29th Jul 2025447 AMAQI
29th Jul 2025448 AMAQI
29th Jul 2025449 AMAQI
29th Jul 20254910 AMAQI
29th Jul 20255111 AMAQI
29th Jul 20255612 PMAQI
29th Jul 2025571 PMAQI
29th Jul 2025572 PMAQI
29th Jul 2025563 PMAQI
29th Jul 2025544 PMAQI
29th Jul 2025545 PMAQI
29th Jul 2025426 PMAQI
29th Jul 2025237 PMAQI
29th Jul 2025228 PMAQI
29th Jul 2025339 PMAQI
29th Jul 20253210 PMAQI
29th Jul 20253111 PMAQI
30th Jul 20253112 AMAQI
30th Jul 2025371 AMAQI
30th Jul 2025442 AMAQI
30th Jul 2025443 AMAQI
30°C26/37°C
30th Jul 2025454 AMAQI
30th Jul 2025475 AMAQI
30th Jul 2025466 AMAQI
30th Jul 2025467 AMAQI
30th Jul 2025468 AMAQI
30th Jul 2025269 AMAQI
30th Jul 20252010 AMAQI
30th Jul 20252411 AMAQI
30th Jul 20252712 PMAQI
30th Jul 2025271 PMAQI
30th Jul 2025302 PMAQI
30th Jul 2025333 PMAQI
30th Jul 2025394 PMAQI
30th Jul 2025415 PMAQI
30th Jul 2025346 PMAQI
30th Jul 2025287 PMAQI
30th Jul 2025338 PMAQI
30th Jul 2025389 PMAQI
30th Jul 20253910 PMAQI
30th Jul 20254011 PMAQI
31st Jul 20254012 AMAQI
31st Jul 2025441 AMAQI
31st Jul 2025442 AMAQI
31st Jul 2025423 AMAQI
28°C24/35°C
31st Jul 2025424 AMAQI
31st Jul 2025425 AMAQI
31st Jul 2025426 AMAQI
31st Jul 2025427 AMAQI
31st Jul 2025428 AMAQI
31st Jul 2025429 AMAQI
31st Jul 20254210 AMAQI
31st Jul 20253911 AMAQI
31st Jul 20253612 PMAQI
31st Jul 2025361 PMAQI
31st Jul 2025362 PMAQI
31st Jul 2025413 PMAQI
31st Jul 2025484 PMAQI
31st Jul 2025445 PMAQI
31st Jul 2025356 PMAQI
31st Jul 2025277 PMAQI
31st Jul 2025308 PMAQI
31st Jul 2025309 PMAQI
31st Jul 20253210 PMAQI
31st Jul 20252811 PMAQI
1st Aug 20252912 AMAQI
1st Aug 2025381 AMAQI
1st Aug 2025392 AMAQI
1st Aug 2025403 AMAQI
27°C23/34°C
1st Aug 2025394 AMAQI
1st Aug 2025395 AMAQI
1st Aug 2025396 AMAQI
1st Aug 2025387 AMAQI
1st Aug 2025388 AMAQI
1st Aug 2025369 AMAQI
1st Aug 20252610 AMAQI
1st Aug 20254311 AMAQI
1st Aug 20254512 PMAQI
1st Aug 2025471 PMAQI
1st Aug 2025412 PMAQI
1st Aug 2025333 PMAQI
1st Aug 2025454 PMAQI
1st Aug 2025395 PMAQI
1st Aug 2025456 PMAQI
1st Aug 2025297 PMAQI
1st Aug 2025298 PMAQI
1st Aug 2025329 PMAQI
1st Aug 20253210 PMAQI
1st Aug 20252711 PMAQI
2nd Aug 20253012 AMAQI
2nd Aug 2025341 AMAQI
2nd Aug 2025392 AMAQI
2nd Aug 2025403 AMAQI
27°C23/31°C
2nd Aug 2025404 AMAQI
2nd Aug 2025405 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025408 AMAQI
2nd Aug 2025369 AMAQI
2nd Aug 20253310 AMAQI
2nd Aug 20254111 AMAQI
2nd Aug 20252712 PMAQI
2nd Aug 2025401 PMAQI
2nd Aug 2025492 PMAQI
2nd Aug 2025503 PMAQI
2nd Aug 2025484 PMAQI
2nd Aug 2025505 PMAQI
2nd Aug 2025536 PMAQI
2nd Aug 2025527 PMAQI
2nd Aug 2025428 PMAQI
2nd Aug 2025379 PMAQI
2nd Aug 20253610 PMAQI
2nd Aug 20254011 PMAQI
3rd Aug 20253112 AMAQI
3rd Aug 2025351 AMAQI
3rd Aug 2025382 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 2025388 AMAQI
3rd Aug 2025449 AMAQI
3rd Aug 20254810 AMAQI
3rd Aug 20254611 AMAQI
3rd Aug 20255812 PMAQI
3rd Aug 2025521 PMAQI
3rd Aug 2025582 PMAQI
3rd Aug 2025523 PMAQI
3rd Aug 2025524 PMAQI
3rd Aug 2025545 PMAQI
3rd Aug 2025566 PMAQI
3rd Aug 2025567 PMAQI
3rd Aug 2025498 PMAQI
3rd Aug 2025409 PMAQI
3rd Aug 20253610 PMAQI
3rd Aug 20253911 PMAQI
4th Aug 20253212 AMAQI
4th Aug 2025361 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025403 AMAQI
30°C26/36°C
4th Aug 2025424 AMAQI
4th Aug 2025435 AMAQI
4th Aug 2025426 AMAQI
4th Aug 2025437 AMAQI
4th Aug 2025448 AMAQI
4th Aug 2025459 AMAQI
4th Aug 20255210 AMAQI
4th Aug 20256111 AMAQI
4th Aug 20257012 PMAQI
4th Aug 2025651 PMAQI
4th Aug 2025732 PMAQI
4th Aug 2025723 PMAQI
4th Aug 2025804 PMAQI
4th Aug 2025805 PMAQI
4th Aug 2025706 PMAQI
4th Aug 2025667 PMAQI
4th Aug 2025618 PMAQI
4th Aug 2025589 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20255111 PMAQI
5th Aug 20255212 AMAQI
5th Aug 2025441 AMAQI
5th Aug 2025412 AMAQI
5th Aug 2025413 AMAQI
30°C25/37°C
5th Aug 2025484 AMAQI
5th Aug 2025515 AMAQI
5th Aug 2025516 AMAQI
5th Aug 2025497 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 2025552 PMAQI
5th Aug 2025533 PMAQI
5th Aug 2025624 PMAQI
5th Aug 2025575 PMAQI
5th Aug 2025566 PMAQI
5th Aug 2025487 PMAQI
5th Aug 2025478 PMAQI
5th Aug 2025449 PMAQI
5th Aug 20254510 PMAQI
5th Aug 20254011 PMAQI
6th Aug 20254612 AMAQI
6th Aug 2025491 AMAQI
6th Aug 2025502 AMAQI
6th Aug 2025503 AMAQI
32°C27/39°C
6th Aug 2025524 AMAQI
6th Aug 2025525 AMAQI
6th Aug 2025536 AMAQI
6th Aug 2025527 AMAQI
6th Aug 2025528 AMAQI
6th Aug 2025399 AMAQI
6th Aug 20253410 AMAQI
6th Aug 20253511 AMAQI
6th Aug 20254912 PMAQI
6th Aug 2025431 PMAQI
6th Aug 2025402 PMAQI
6th Aug 2025433 PMAQI
6th Aug 2025424 PMAQI
6th Aug 2025535 PMAQI
6th Aug 2025436 PMAQI
6th Aug 2025497 PMAQI
6th Aug 2025528 PMAQI
6th Aug 2025459 PMAQI
6th Aug 20254610 PMAQI
6th Aug 20254411 PMAQI
7th Aug 20254412 AMAQI
7th Aug 2025501 AMAQI
7th Aug 2025512 AMAQI
7th Aug 2025493 AMAQI
29°C26/36°C
7th Aug 2025504 AMAQI
7th Aug 2025495 AMAQI
7th Aug 2025506 AMAQI
7th Aug 2025447 AMAQI
7th Aug 2025508 AMAQI
7th Aug 2025399 AMAQI
7th Aug 20253710 AMAQI
7th Aug 20254111 AMAQI
7th Aug 20252812 PMAQI
7th Aug 2025241 PMAQI
7th Aug 2025252 PMAQI
7th Aug 2025243 PMAQI
7th Aug 2025304 PMAQI
7th Aug 2025305 PMAQI
7th Aug 2025296 PMAQI
7th Aug 2025327 PMAQI
7th Aug 2025418 PMAQI
7th Aug 2025469 PMAQI
7th Aug 20254410 PMAQI
7th Aug 20254211 PMAQI
8th Aug 20253912 AMAQI
8th Aug 2025421 AMAQI
8th Aug 2025482 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 2025369 AMAQI
8th Aug 20252810 AMAQI
8th Aug 20253211 AMAQI
8th Aug 20253612 PMAQI
8th Aug 2025341 PMAQI
8th Aug 2025282 PMAQI
8th Aug 2025223 PMAQI
8th Aug 2025244 PMAQI
8th Aug 2025285 PMAQI
8th Aug 2025306 PMAQI
8th Aug 2025317 PMAQI
8th Aug 2025328 PMAQI
8th Aug 2025369 PMAQI
8th Aug 20253610 PMAQI
8th Aug 20253611 PMAQI
9th Aug 20253612 AMAQI
9th Aug 2025401 AMAQI
9th Aug 2025452 AMAQI
9th Aug 2025463 AMAQI
26°C22/34°C
9th Aug 2025444 AMAQI
4 AM9th Aug 2025415 AMAQI
9th Aug 2025426 AMAQI
9th Aug 2025417 AMAQI
9th Aug 2025418 AMAQI
9th Aug 2025299 AMAQI
9th Aug 20252410 AMAQI
9th Aug 20253011 AMAQI
11 AM9th Aug 20253512 PMAQI
9th Aug 2025331 PMAQI
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
47AQI
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. 47), while the lowest AQI was between 9 AM to 10 AM (Avg. 38).
Night time
Avg. Highest Time
12 AM - 3 AM
45AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM - 8 PM
41AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 45), while the lowest AQI was between 7 PM to 8 PM (Avg. 41).
2025 Days Vs Air Quality
Hiraidemachi, Utsunomiya, Tochigi, Japan
2025
86%
190
14%
30
Total number of days with different AQI categories in last 221 days in 2025 (144 days remaining)
Good
190 DaysModerate
30 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2025, 86% of 221 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
Hiraidemachi, 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
27AQI
27AQI
2nd January 2025
29AQI
29AQI
3rd January 2025
26AQI
26AQI
4th January 2025
25AQI
25AQI
5th January 2025
30AQI
30AQI
6th January 2025
48AQI
48AQI
7th January 2025
30AQI
30AQI
8th January 2025
34AQI
34AQI
9th January 2025
30AQI
30AQI
10th January 2025
28AQI
28AQI
11th January 2025
28AQI
28AQI
12th January 2025
32AQI
32AQI
13th January 2025
32AQI
32AQI
14th January 2025
41AQI
41AQI
15th January 2025
35AQI
35AQI
16th January 2025
35AQI
35AQI
17th January 2025
33AQI
33AQI
18th January 2025
32AQI
32AQI
19th January 2025
55AQI
55AQI
20th January 2025
39AQI
39AQI
21st January 2025
45AQI
45AQI
22nd January 2025
38AQI
38AQI
23rd January 2025
42AQI
42AQI
24th January 2025
46AQI
46AQI
25th January 2025
36AQI
36AQI
26th January 2025
35AQI
35AQI
27th January 2025
32AQI
32AQI
28th January 2025
36AQI
36AQI
29th January 2025
29AQI
29AQI
30th January 2025
32AQI
32AQI
31st January 2025
29AQI
29AQI
1st February 2025
28AQI
28AQI
2nd February 2025
36AQI
36AQI
3rd February 2025
32AQI
32AQI
4th February 2025
30AQI
30AQI
5th February 2025
32AQI
32AQI
6th February 2025
28AQI
28AQI
7th February 2025
29AQI
29AQI
8th February 2025
29AQI
29AQI
9th February 2025
24AQI
24AQI
10th February 2025
26AQI
26AQI
11th February 2025
24AQI
24AQI
12th February 2025
34AQI
34AQI
13th February 2025
30AQI
30AQI
14th February 2025
31AQI
31AQI
15th February 2025
28AQI
28AQI
16th February 2025
38AQI
38AQI
17th February 2025
34AQI
34AQI
18th February 2025
29AQI
29AQI
19th February 2025
28AQI
28AQI
20th February 2025
28AQI
28AQI
21st February 2025
27AQI
27AQI
22nd February 2025
27AQI
27AQI
23rd February 2025
27AQI
27AQI
24th February 2025
29AQI
29AQI
25th February 2025
42AQI
42AQI
26th February 2025
37AQI
37AQI
27th February 2025
44AQI
44AQI
28th February 2025
49AQI
49AQI
1st March 2025
53AQI
53AQI
2nd March 2025
57AQI
57AQI
3rd March 2025
37AQI
37AQI
4th March 2025
38AQI
38AQI
5th March 2025
27AQI
27AQI
6th March 2025
33AQI
33AQI
7th March 2025
32AQI
32AQI
8th March 2025
40AQI
40AQI
9th March 2025
37AQI
37AQI
10th March 2025
39AQI
39AQI
11th March 2025
47AQI
47AQI
12th March 2025
48AQI
48AQI
13th March 2025
49AQI
49AQI
14th March 2025
46AQI
46AQI
15th March 2025
46AQI
46AQI
16th March 2025
27AQI
27AQI
17th March 2025
26AQI
26AQI
18th March 2025
25AQI
25AQI
19th March 2025
20AQI
20AQI
20th March 2025
29AQI
29AQI
21st March 2025
39AQI
39AQI
22nd March 2025
51AQI
51AQI
23rd March 2025
53AQI
53AQI
24th March 2025
54AQI
54AQI
25th March 2025
71AQI
71AQI
26th March 2025
63AQI
63AQI
27th March 2025
71AQI
71AQI
28th March 2025
56AQI
56AQI
29th March 2025
39AQI
39AQI
30th March 2025
39AQI
39AQI
31st March 2025
34AQI
34AQI
1st April 2025
28AQI
28AQI
2nd April 2025
23AQI
23AQI
3rd April 2025
22AQI
22AQI
4th April 2025
23AQI
23AQI
5th April 2025
29AQI
29AQI
6th April 2025
26AQI
26AQI
7th April 2025
29AQI
29AQI
8th April 2025
42AQI
42AQI
9th April 2025
29AQI
29AQI
10th April 2025
47AQI
47AQI
11th April 2025
39AQI
39AQI
12th April 2025
38AQI
38AQI
13th April 2025
27AQI
27AQI
14th April 2025
26AQI
26AQI
15th April 2025
29AQI
29AQI
16th April 2025
25AQI
25AQI
17th April 2025
46AQI
46AQI
18th April 2025
51AQI
51AQI
19th April 2025
65AQI
65AQI
20th April 2025
60AQI
60AQI
21st April 2025
45AQI
45AQI
22nd April 2025
51AQI
51AQI
23rd April 2025
30AQI
30AQI
24th April 2025
40AQI
40AQI
25th April 2025
33AQI
33AQI
26th April 2025
48AQI
48AQI
27th April 2025
45AQI
45AQI
28th April 2025
54AQI
54AQI
29th April 2025
33AQI
33AQI
30th April 2025
46AQI
46AQI
1st May 2025
41AQI
41AQI
2nd May 2025
33AQI
33AQI
3rd May 2025
33AQI
33AQI
4th May 2025
33AQI
33AQI
5th May 2025
35AQI
35AQI
6th May 2025
31AQI
31AQI
7th May 2025
26AQI
26AQI
8th May 2025
31AQI
31AQI
9th May 2025
36AQI
36AQI
10th May 2025
20AQI
20AQI
11th May 2025
23AQI
23AQI
12th May 2025
22AQI
22AQI
13th May 2025
35AQI
35AQI
14th May 2025
39AQI
39AQI
15th May 2025
42AQI
42AQI
16th May 2025
48AQI
48AQI
17th May 2025
30AQI
30AQI
18th May 2025
39AQI
39AQI
19th May 2025
41AQI
41AQI
20th May 2025
55AQI
55AQI
21st May 2025
60AQI
60AQI
22nd May 2025
51AQI
51AQI
23rd May 2025
49AQI
49AQI
24th May 2025
41AQI
41AQI
25th May 2025
31AQI
31AQI
26th May 2025
30AQI
30AQI
27th May 2025
27AQI
27AQI
28th May 2025
26AQI
26AQI
29th May 2025
31AQI
31AQI
30th May 2025
27AQI
27AQI
31st May 2025
18AQI
18AQI
1st June 2025
22AQI
22AQI
2nd June 2025
35AQI
35AQI
3rd June 2025
36AQI
36AQI
4th June 2025
31AQI
31AQI
5th June 2025
38AQI
38AQI
6th June 2025
48AQI
48AQI
7th June 2025
52AQI
52AQI
8th June 2025
62AQI
62AQI
9th June 2025
56AQI
56AQI
10th June 2025
44AQI
44AQI
11th June 2025
37AQI
37AQI
12th June 2025
40AQI
40AQI
13th June 2025
41AQI
41AQI
14th June 2025
39AQI
39AQI
15th June 2025
30AQI
30AQI
16th June 2025
34AQI
34AQI
17th June 2025
35AQI
35AQI
18th June 2025
34AQI
34AQI
19th June 2025
38AQI
38AQI
20th June 2025
37AQI
37AQI
21st June 2025
35AQI
35AQI
22nd June 2025
34AQI
34AQI
23rd June 2025
34AQI
34AQI
24th June 2025
33AQI
33AQI
25th June 2025
28AQI
28AQI
26th June 2025
28AQI
28AQI
27th June 2025
31AQI
31AQI
28th June 2025
32AQI
32AQI
29th June 2025
36AQI
36AQI
30th June 2025
40AQI
40AQI
1st July 2025
42AQI
42AQI
2nd July 2025
42AQI
42AQI
3rd July 2025
48AQI
48AQI
4th July 2025
47AQI
47AQI
5th July 2025
51AQI
51AQI
6th July 2025
54AQI
54AQI
7th July 2025
64AQI
64AQI
8th July 2025
67AQI
67AQI
9th July 2025
72AQI
72AQI
10th July 2025
57AQI
57AQI
11th July 2025
50AQI
50AQI
12th July 2025
51AQI
51AQI
13th July 2025
54AQI
54AQI
14th July 2025
44AQI
44AQI
15th July 2025
44AQI
44AQI
16th July 2025
46AQI
46AQI
17th July 2025
42AQI
42AQI
18th July 2025
41AQI
41AQI
19th July 2025
39AQI
39AQI
20th July 2025
40AQI
40AQI
21st July 2025
43AQI
43AQI
22nd July 2025
43AQI
43AQI
23rd July 2025
42AQI
42AQI
24th July 2025
48AQI
48AQI
25th July 2025
47AQI
47AQI
26th July 2025
47AQI
47AQI
27th July 2025
45AQI
45AQI
28th July 2025
45AQI
45AQI
29th July 2025
42AQI
42AQI
30th July 2025
37AQI
37AQI
31st July 2025
38AQI
38AQI
1st August 2025
37AQI
37AQI
2nd August 2025
41AQI
41AQI
3rd August 2025
45AQI
45AQI
4th August 2025
55AQI
55AQI
5th August 2025
50AQI
50AQI
6th August 2025
47AQI
47AQI
7th August 2025
40AQI
40AQI
8th August 2025
41AQI
41AQI
34AQI
31AQI
43AQI
38AQI
35AQI
37AQI
47AQI
45AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202538AQI
30
1
28
22
9
25
5
28
3
27
3
23
8
7
1
190
30
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
February31AQI
202437AQI
31
28
1
24
7
20
9
1
28
3
27
3
19
12
31
28
2
29
2
29
1
31
325
40
1
Highest AQI recorded in
April48AQI
Lowest AQI recorded in
January30AQI
202338AQI
7
6
26
5
23
7
23
8
30
1
30
29
2
22
7
27
4
217
40
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
August31AQI
202237AQI
3
16
5
22
9
21
9
25
6
22
8
19
5
1
28
28
3
9
3
194
48
Highest AQI recorded in
April42AQI
Lowest AQI recorded in
January26AQI
202139AQI
27
4
22
6
24
5
19
2
26
5
22
8
28
3
27
4
28
2
26
5
28
2
23
8
300
54
Highest AQI recorded in
June44AQI
Lowest AQI recorded in
November36AQI
202040AQI
12
1
18
3
18
23
7
30
1
18
13
19
27
4
21
9
25
6
211
44
Highest AQI recorded in
August50AQI
Lowest AQI recorded in
September31AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
40AQILeast Polluted Year Recorded
2024(Avg.)
37AQIHiraidemachi's annual 2025 AQI (38) shows an average percentage change of 0.2% (worsened AQI) compared to previous years: 2020 (40), 2021 (39), 2022 (37), 2023 (38), 2024 (37).
