Chuo, 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
Chuo, Utsunomiya, Tochigi, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
23rd Aug 2021
66AQILowest AQI recorded on
30th Aug 2024
14AQISame Day Analysis (7th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 44 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 7th Aug - 8th Aug 2025
Chuo, Utsunomiya, Tochigi, Japan
AQI
Day
Night
.
4 AM7th Aug 2025
6 PM
3 AM8th Aug 2025
Day time
Avg. Highest Time
4AM7th Aug
51AQI
Avg. Lowest Time
3PM7th Aug
21AQI
Night time
Avg. Highest Time
3AM8th Aug
49AQI
Avg. Lowest Time
7PM7th Aug
31AQI
In the last 24 hours,
Chuo's AQI reached its highest point of 51 at 4 AM during the Day, while the lowest point, 21, was recorded at 3 PM during the Day between 7th Aug and 8th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Chuo, Utsunomiya, Tochigi, Japan
JulAug
09th - 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 - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th
Day
Night
9th Jul 2025654 AMAQI
9th Jul 2025705 AMAQI
9th Jul 2025706 AMAQI
9th Jul 2025697 AMAQI
9th Jul 2025708 AMAQI
9th Jul 20251049 AMAQI
9th Jul 202512010 AMAQI
9th Jul 202511011 AMAQI
9th Jul 20259812 PMAQI
9th Jul 2025961 PMAQI
9th Jul 2025942 PMAQI
9th Jul 2025893 PMAQI
9th Jul 2025914 PMAQI
9th Jul 20251045 PMAQI
9th Jul 2025996 PMAQI
9th Jul 2025987 PMAQI
9th Jul 2025978 PMAQI
9th Jul 2025739 PMAQI
9th Jul 20256610 PMAQI
9th Jul 20256411 PMAQI
10th Jul 20256012 AMAQI
10th Jul 2025591 AMAQI
10th Jul 2025662 AMAQI
10th Jul 2025663 AMAQI
30°C25/36°C
10th Jul 2025684 AMAQI
10th Jul 2025725 AMAQI
10th Jul 2025726 AMAQI
10th Jul 2025727 AMAQI
10th Jul 2025718 AMAQI
10th Jul 2025439 AMAQI
10th Jul 20254010 AMAQI
10th Jul 20254411 AMAQI
10th Jul 20254812 PMAQI
10th Jul 2025561 PMAQI
10th Jul 2025652 PMAQI
10th Jul 2025663 PMAQI
10th Jul 2025664 PMAQI
10th Jul 2025615 PMAQI
10th Jul 2025536 PMAQI
10th Jul 2025397 PMAQI
10th Jul 2025408 PMAQI
10th Jul 2025549 PMAQI
10th Jul 20255510 PMAQI
10th Jul 20255511 PMAQI
11th Jul 20255412 AMAQI
11th Jul 2025541 AMAQI
11th Jul 2025592 AMAQI
11th Jul 2025653 AMAQI
26°C22/31°C
11th Jul 2025644 AMAQI
11th Jul 2025635 AMAQI
11th Jul 2025636 AMAQI
11th Jul 2025637 AMAQI
11th Jul 2025638 AMAQI
11th Jul 2025289 AMAQI
11th Jul 20251710 AMAQI
11th Jul 20251611 AMAQI
11th Jul 20251712 PMAQI
11th Jul 2025231 PMAQI
11th Jul 2025282 PMAQI
11th Jul 2025313 PMAQI
11th Jul 2025284 PMAQI
11th Jul 2025265 PMAQI
11th Jul 2025306 PMAQI
11th Jul 2025317 PMAQI
11th Jul 2025408 PMAQI
11th Jul 2025529 PMAQI
11th Jul 20255210 PMAQI
11th Jul 20255211 PMAQI
12th Jul 20255212 AMAQI
12th Jul 2025521 AMAQI
12th Jul 2025542 AMAQI
12th Jul 2025613 AMAQI
21°C20/22°C
12th Jul 2025584 AMAQI
12th Jul 2025555 AMAQI
12th Jul 2025556 AMAQI
12th Jul 2025557 AMAQI
12th Jul 2025558 AMAQI
12th Jul 2025299 AMAQI
12th Jul 20252610 AMAQI
12th Jul 20253111 AMAQI
12th Jul 20253212 PMAQI
12th Jul 2025321 PMAQI
12th Jul 2025332 PMAQI
12th Jul 2025383 PMAQI
12th Jul 2025424 PMAQI
12th Jul 2025375 PMAQI
12th Jul 2025366 PMAQI
12th Jul 2025387 PMAQI
12th Jul 2025398 PMAQI
12th Jul 2025519 PMAQI
12th Jul 20255110 PMAQI
12th Jul 20255211 PMAQI
13th Jul 20254712 AMAQI
13th Jul 2025461 AMAQI
13th Jul 2025512 AMAQI
13th Jul 2025553 AMAQI
22°C20/25°C
13th Jul 2025544 AMAQI
13th Jul 2025535 AMAQI
13th Jul 2025526 AMAQI
13th Jul 2025527 AMAQI
13th Jul 2025538 AMAQI
13th Jul 2025429 AMAQI
13th Jul 20252910 AMAQI
13th Jul 20252611 AMAQI
13th Jul 20253912 PMAQI
13th Jul 2025531 PMAQI
13th Jul 2025542 PMAQI
13th Jul 2025523 PMAQI
13th Jul 2025504 PMAQI
13th Jul 2025525 PMAQI
13th Jul 2025526 PMAQI
13th Jul 2025527 PMAQI
13th Jul 2025538 PMAQI
13th Jul 2025529 PMAQI
13th Jul 20254810 PMAQI
13th Jul 20254511 PMAQI
14th Jul 20254512 AMAQI
14th Jul 2025421 AMAQI
14th Jul 2025482 AMAQI
14th Jul 2025523 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 2025279 AMAQI
14th Jul 20251810 AMAQI
14th Jul 20251611 AMAQI
14th Jul 20251812 PMAQI
14th Jul 2025221 PMAQI
14th Jul 2025232 PMAQI
14th Jul 2025213 PMAQI
14th Jul 2025184 PMAQI
14th Jul 2025175 PMAQI
14th Jul 2025186 PMAQI
14th Jul 2025197 PMAQI
14th Jul 2025268 PMAQI
14th Jul 2025359 PMAQI
14th Jul 20253810 PMAQI
14th Jul 20253911 PMAQI
15th Jul 20253812 AMAQI
15th Jul 2025381 AMAQI
15th Jul 2025462 AMAQI
15th Jul 2025523 AMAQI
24°C22/28°C
15th Jul 2025504 AMAQI
15th Jul 2025465 AMAQI
15th Jul 2025466 AMAQI
15th Jul 2025467 AMAQI
15th Jul 2025468 AMAQI
15th Jul 2025239 AMAQI
15th Jul 20252810 AMAQI
15th Jul 20252811 AMAQI
15th Jul 20253012 PMAQI
15th Jul 2025341 PMAQI
15th Jul 2025292 PMAQI
15th Jul 2025283 PMAQI
15th Jul 2025254 PMAQI
15th Jul 2025225 PMAQI
15th Jul 2025266 PMAQI
15th Jul 2025267 PMAQI
15th Jul 2025288 PMAQI
15th Jul 2025389 PMAQI
15th Jul 20253610 PMAQI
15th Jul 20253711 PMAQI
16th Jul 20253512 AMAQI
16th Jul 2025341 AMAQI
16th Jul 2025382 AMAQI
16th Jul 2025463 AMAQI
25°C24/28°C
16th Jul 2025454 AMAQI
16th Jul 2025445 AMAQI
16th Jul 2025426 AMAQI
16th Jul 2025437 AMAQI
16th Jul 2025438 AMAQI
16th Jul 2025499 AMAQI
16th Jul 20255010 AMAQI
16th Jul 20254911 AMAQI
16th Jul 20255312 PMAQI
16th Jul 2025461 PMAQI
16th Jul 2025352 PMAQI
16th Jul 2025323 PMAQI
16th Jul 2025304 PMAQI
16th Jul 2025265 PMAQI
16th Jul 2025326 PMAQI
16th Jul 2025417 PMAQI
16th Jul 2025318 PMAQI
16th Jul 2025319 PMAQI
16th Jul 20253210 PMAQI
16th Jul 20253411 PMAQI
17th Jul 20253212 AMAQI
17th Jul 2025321 AMAQI
17th Jul 2025362 AMAQI
17th Jul 2025433 AMAQI
26°C23/29°C
17th Jul 2025444 AMAQI
17th Jul 2025465 AMAQI
17th Jul 2025446 AMAQI
17th Jul 2025457 AMAQI
17th Jul 2025448 AMAQI
17th Jul 2025239 AMAQI
17th Jul 20251810 AMAQI
17th Jul 20252111 AMAQI
17th Jul 20252812 PMAQI
17th Jul 2025341 PMAQI
17th Jul 2025362 PMAQI
17th Jul 2025373 PMAQI
17th Jul 2025304 PMAQI
17th Jul 2025285 PMAQI
17th Jul 2025336 PMAQI
17th Jul 2025357 PMAQI
17th Jul 2025398 PMAQI
17th Jul 2025389 PMAQI
17th Jul 20254010 PMAQI
17th Jul 20254011 PMAQI
18th Jul 20253912 AMAQI
18th Jul 2025421 AMAQI
18th Jul 2025422 AMAQI
18th Jul 2025423 AMAQI
27°C25/31°C
18th Jul 2025424 AMAQI
18th Jul 2025395 AMAQI
18th Jul 2025396 AMAQI
18th Jul 2025387 AMAQI
18th Jul 2025398 AMAQI
18th Jul 2025309 AMAQI
18th Jul 20252610 AMAQI
18th Jul 20252811 AMAQI
18th Jul 20253612 PMAQI
18th Jul 2025351 PMAQI
18th Jul 2025352 PMAQI
18th Jul 2025363 PMAQI
18th Jul 2025324 PMAQI
18th Jul 2025345 PMAQI
18th Jul 2025316 PMAQI
18th Jul 2025267 PMAQI
18th Jul 2025278 PMAQI
18th Jul 2025329 PMAQI
18th Jul 20253210 PMAQI
18th Jul 20253011 PMAQI
19th Jul 20253112 AMAQI
19th Jul 2025321 AMAQI
19th Jul 2025372 AMAQI
19th Jul 2025433 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 2025299 AMAQI
19th Jul 20252710 AMAQI
19th Jul 20252811 AMAQI
19th Jul 20253212 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 2025307 PMAQI
19th Jul 2025318 PMAQI
19th Jul 2025329 PMAQI
19th Jul 20253210 PMAQI
19th Jul 20252811 PMAQI
20th Jul 20253012 AMAQI
20th Jul 2025311 AMAQI
20th Jul 2025352 AMAQI
20th Jul 2025383 AMAQI
28°C23/33°C
20th Jul 2025394 AMAQI
20th Jul 2025385 AMAQI
20th Jul 2025376 AMAQI
20th Jul 2025387 AMAQI
20th Jul 2025388 AMAQI
20th Jul 2025299 AMAQI
20th Jul 20252010 AMAQI
20th Jul 20252411 AMAQI
20th Jul 20253612 PMAQI
20th Jul 2025421 PMAQI
20th Jul 2025442 PMAQI
20th Jul 2025453 PMAQI
20th Jul 2025504 PMAQI
20th Jul 2025515 PMAQI
20th Jul 2025486 PMAQI
20th Jul 2025467 PMAQI
20th Jul 2025418 PMAQI
20th Jul 2025349 PMAQI
20th Jul 20253210 PMAQI
20th Jul 20253211 PMAQI
21st Jul 20252812 AMAQI
21st Jul 2025281 AMAQI
21st Jul 2025342 AMAQI
21st Jul 2025393 AMAQI
29°C24/35°C
21st Jul 2025374 AMAQI
21st Jul 2025375 AMAQI
21st Jul 2025376 AMAQI
21st Jul 2025367 AMAQI
21st Jul 2025378 AMAQI
21st Jul 2025309 AMAQI
21st Jul 20253310 AMAQI
21st Jul 20253911 AMAQI
21st Jul 20255012 PMAQI
21st Jul 2025511 PMAQI
21st Jul 2025482 PMAQI
21st Jul 2025523 PMAQI
21st Jul 2025554 PMAQI
21st Jul 2025565 PMAQI
21st Jul 2025546 PMAQI
21st Jul 2025557 PMAQI
21st Jul 2025468 PMAQI
21st Jul 2025439 PMAQI
21st Jul 20254210 PMAQI
21st Jul 20254211 PMAQI
22nd Jul 20253812 AMAQI
22nd Jul 2025341 AMAQI
22nd Jul 2025362 AMAQI
22nd Jul 2025363 AMAQI
30°C25/36°C
22nd Jul 2025374 AMAQI
22nd Jul 2025375 AMAQI
22nd Jul 2025386 AMAQI
22nd Jul 2025387 AMAQI
22nd Jul 2025388 AMAQI
22nd Jul 2025329 AMAQI
22nd Jul 20253610 AMAQI
22nd Jul 20254611 AMAQI
22nd Jul 20255612 PMAQI
22nd Jul 2025621 PMAQI
22nd Jul 2025622 PMAQI
22nd Jul 2025603 PMAQI
22nd Jul 2025584 PMAQI
22nd Jul 2025565 PMAQI
22nd Jul 2025546 PMAQI
22nd Jul 2025527 PMAQI
22nd Jul 2025458 PMAQI
22nd Jul 2025369 PMAQI
22nd Jul 20253510 PMAQI
22nd Jul 20253611 PMAQI
23rd Jul 20253412 AMAQI
23rd Jul 2025361 AMAQI
23rd Jul 2025382 AMAQI
23rd Jul 2025383 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 2025359 AMAQI
23rd Jul 20253210 AMAQI
23rd Jul 20253811 AMAQI
23rd Jul 20255412 PMAQI
23rd Jul 2025591 PMAQI
23rd Jul 2025652 PMAQI
23rd Jul 2025643 PMAQI
23rd Jul 2025584 PMAQI
23rd Jul 2025585 PMAQI
23rd Jul 2025546 PMAQI
23rd Jul 2025487 PMAQI
23rd Jul 2025428 PMAQI
23rd Jul 2025389 PMAQI
23rd Jul 20253610 PMAQI
23rd Jul 20253511 PMAQI
24th Jul 20253512 AMAQI
24th Jul 2025361 AMAQI
24th Jul 2025392 AMAQI
24th Jul 2025403 AMAQI
30°C25/36°C
24th Jul 2025424 AMAQI
24th Jul 2025445 AMAQI
24th Jul 2025436 AMAQI
24th Jul 2025437 AMAQI
24th Jul 2025438 AMAQI
24th Jul 2025349 AMAQI
24th Jul 20254310 AMAQI
24th Jul 20255611 AMAQI
24th Jul 20256012 PMAQI
24th Jul 2025611 PMAQI
24th Jul 2025622 PMAQI
24th Jul 2025603 PMAQI
24th Jul 2025604 PMAQI
24th Jul 2025605 PMAQI
24th Jul 2025596 PMAQI
24th Jul 2025587 PMAQI
24th Jul 2025558 PMAQI
24th Jul 2025529 PMAQI
24th Jul 20255210 PMAQI
24th Jul 20254711 PMAQI
25th Jul 20254012 AMAQI
25th Jul 2025361 AMAQI
25th Jul 2025372 AMAQI
25th Jul 2025393 AMAQI
30°C25/36°C
25th Jul 2025424 AMAQI
25th Jul 2025455 AMAQI
25th Jul 2025466 AMAQI
25th Jul 2025467 AMAQI
25th Jul 2025448 AMAQI
25th Jul 2025569 AMAQI
25th Jul 20256110 AMAQI
25th Jul 20256011 AMAQI
25th Jul 20256112 PMAQI
25th Jul 2025611 PMAQI
25th Jul 2025632 PMAQI
25th Jul 2025623 PMAQI
25th Jul 2025634 PMAQI
25th Jul 2025625 PMAQI
25th Jul 2025576 PMAQI
25th Jul 2025547 PMAQI
25th Jul 2025568 PMAQI
25th Jul 2025529 PMAQI
25th Jul 20255210 PMAQI
25th Jul 20255211 PMAQI
26th Jul 20255012 AMAQI
26th Jul 2025461 AMAQI
26th Jul 2025422 AMAQI
26th Jul 2025423 AMAQI
30°C24/37°C
26th Jul 2025444 AMAQI
26th Jul 2025485 AMAQI
26th Jul 2025486 AMAQI
26th Jul 2025487 AMAQI
26th Jul 2025488 AMAQI
26th Jul 2025599 AMAQI
26th Jul 20256210 AMAQI
26th Jul 20256311 AMAQI
26th Jul 20255412 PMAQI
26th Jul 2025561 PMAQI
26th Jul 2025572 PMAQI
26th Jul 2025653 PMAQI
26th Jul 2025664 PMAQI
26th Jul 2025615 PMAQI
26th Jul 2025656 PMAQI
26th Jul 2025647 PMAQI
26th Jul 2025618 PMAQI
26th Jul 2025549 PMAQI
26th Jul 20255310 PMAQI
26th Jul 20255011 PMAQI
27th Jul 20255012 AMAQI
27th Jul 2025501 AMAQI
27th Jul 2025462 AMAQI
27th Jul 2025463 AMAQI
30°C24/37°C
27th Jul 2025494 AMAQI
27th Jul 2025515 AMAQI
27th Jul 2025516 AMAQI
27th Jul 2025517 AMAQI
27th Jul 2025518 AMAQI
27th Jul 2025489 AMAQI
27th Jul 20254810 AMAQI
27th Jul 20255511 AMAQI
27th Jul 20255212 PMAQI
27th Jul 2025541 PMAQI
27th Jul 2025582 PMAQI
27th Jul 2025543 PMAQI
27th Jul 2025574 PMAQI
27th Jul 2025595 PMAQI
27th Jul 2025626 PMAQI
27th Jul 2025617 PMAQI
27th Jul 2025568 PMAQI
27th Jul 2025569 PMAQI
27th Jul 20255210 PMAQI
27th Jul 20254411 PMAQI
28th Jul 20255212 AMAQI
28th Jul 2025361 AMAQI
28th Jul 2025482 AMAQI
28th Jul 2025493 AMAQI
30°C25/36°C
28th Jul 2025494 AMAQI
28th Jul 2025505 AMAQI
28th Jul 2025506 AMAQI
28th Jul 2025517 AMAQI
28th Jul 2025518 AMAQI
28th Jul 2025489 AMAQI
28th Jul 20254710 AMAQI
28th Jul 20255611 AMAQI
28th Jul 20255512 PMAQI
28th Jul 2025521 PMAQI
28th Jul 2025542 PMAQI
28th Jul 2025533 PMAQI
28th Jul 2025544 PMAQI
28th Jul 2025555 PMAQI
28th Jul 2025576 PMAQI
28th Jul 2025477 PMAQI
28th Jul 2025548 PMAQI
28th Jul 2025519 PMAQI
28th Jul 20255110 PMAQI
28th Jul 20255711 PMAQI
29th Jul 20255212 AMAQI
29th Jul 2025561 AMAQI
29th Jul 2025492 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 20255610 AMAQI
29th Jul 20255811 AMAQI
29th Jul 20256712 PMAQI
29th Jul 2025581 PMAQI
29th Jul 2025592 PMAQI
29th Jul 2025603 PMAQI
29th Jul 2025574 PMAQI
29th Jul 2025585 PMAQI
29th Jul 2025566 PMAQI
29th Jul 2025487 PMAQI
29th Jul 2025368 PMAQI
29th Jul 2025429 PMAQI
29th Jul 20253910 PMAQI
29th Jul 20254111 PMAQI
30th Jul 20254912 AMAQI
30th Jul 2025451 AMAQI
30th Jul 2025462 AMAQI
30th Jul 2025503 AMAQI
30°C26/37°C
30th Jul 2025514 AMAQI
30th Jul 2025525 AMAQI
30th Jul 2025526 AMAQI
30th Jul 2025527 AMAQI
30th Jul 2025528 AMAQI
30th Jul 2025409 AMAQI
30th Jul 20253510 AMAQI
30th Jul 20253411 AMAQI
30th Jul 20254912 PMAQI
30th Jul 2025431 PMAQI
30th Jul 2025332 PMAQI
30th Jul 2025413 PMAQI
30th Jul 2025414 PMAQI
30th Jul 2025475 PMAQI
30th Jul 2025496 PMAQI
30th Jul 2025437 PMAQI
30th Jul 2025448 PMAQI
30th Jul 2025509 PMAQI
30th Jul 20254810 PMAQI
30th Jul 20255211 PMAQI
31st Jul 20255012 AMAQI
31st Jul 2025451 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 20255511 AMAQI
31st Jul 20255012 PMAQI
31st Jul 2025511 PMAQI
31st Jul 2025542 PMAQI
31st Jul 2025453 PMAQI
31st Jul 2025524 PMAQI
31st Jul 2025565 PMAQI
31st Jul 2025506 PMAQI
31st Jul 2025447 PMAQI
31st Jul 2025368 PMAQI
31st Jul 2025309 PMAQI
31st Jul 20253110 PMAQI
31st Jul 20253211 PMAQI
1st Aug 20253012 AMAQI
1st Aug 2025391 AMAQI
1st Aug 2025392 AMAQI
1st Aug 2025403 AMAQI
27°C23/34°C
1st Aug 2025414 AMAQI
1st Aug 2025395 AMAQI
1st Aug 2025406 AMAQI
1st Aug 2025407 AMAQI
1st Aug 2025388 AMAQI
1st Aug 2025319 AMAQI
1st Aug 20253010 AMAQI
1st Aug 20254511 AMAQI
1st Aug 20254912 PMAQI
1st Aug 2025481 PMAQI
1st Aug 2025332 PMAQI
1st Aug 2025343 PMAQI
1st Aug 2025384 PMAQI
1st Aug 2025415 PMAQI
1st Aug 2025396 PMAQI
1st Aug 2025287 PMAQI
1st Aug 2025288 PMAQI
1st Aug 2025309 PMAQI
1st Aug 20253210 PMAQI
1st Aug 20252611 PMAQI
2nd Aug 20253012 AMAQI
2nd Aug 2025341 AMAQI
2nd Aug 2025382 AMAQI
2nd Aug 2025403 AMAQI
27°C23/31°C
2nd Aug 2025414 AMAQI
2nd Aug 2025415 AMAQI
2nd Aug 2025416 AMAQI
2nd Aug 2025397 AMAQI
2nd Aug 2025408 AMAQI
2nd Aug 2025429 AMAQI
2nd Aug 20253810 AMAQI
2nd Aug 20254411 AMAQI
2nd Aug 20253012 PMAQI
2nd Aug 2025441 PMAQI
2nd Aug 2025492 PMAQI
2nd Aug 2025523 PMAQI
2nd Aug 2025484 PMAQI
2nd Aug 2025505 PMAQI
2nd Aug 2025566 PMAQI
2nd Aug 2025507 PMAQI
2nd Aug 2025368 PMAQI
2nd Aug 2025369 PMAQI
2nd Aug 20253210 PMAQI
2nd Aug 20253911 PMAQI
3rd Aug 20253312 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 2025397 AMAQI
3rd Aug 2025388 AMAQI
3rd Aug 2025439 AMAQI
3rd Aug 20254710 AMAQI
3rd Aug 20254711 AMAQI
3rd Aug 20255912 PMAQI
3rd Aug 2025521 PMAQI
3rd Aug 2025562 PMAQI
3rd Aug 2025513 PMAQI
3rd Aug 2025524 PMAQI
3rd Aug 2025535 PMAQI
3rd Aug 2025536 PMAQI
3rd Aug 2025547 PMAQI
3rd Aug 2025488 PMAQI
3rd Aug 2025389 PMAQI
3rd Aug 20253510 PMAQI
3rd Aug 20253711 PMAQI
4th Aug 20253412 AMAQI
4th Aug 2025371 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025393 AMAQI
30°C26/36°C
4th Aug 2025444 AMAQI
4th Aug 2025455 AMAQI
4th Aug 2025436 AMAQI
4th Aug 2025437 AMAQI
4th Aug 2025448 AMAQI
4th Aug 2025469 AMAQI
4th Aug 20255010 AMAQI
4th Aug 20256311 AMAQI
4th Aug 20256812 PMAQI
4th Aug 2025701 PMAQI
4th Aug 2025762 PMAQI
4th Aug 2025713 PMAQI
4th Aug 2025814 PMAQI
4th Aug 2025765 PMAQI
4th Aug 2025696 PMAQI
4th Aug 2025677 PMAQI
4th Aug 2025638 PMAQI
4th Aug 2025589 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20255211 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 2025535 AMAQI
5th Aug 2025516 AMAQI
5th Aug 2025497 AMAQI
5th Aug 2025528 AMAQI
5th Aug 2025499 AMAQI
5th Aug 20256010 AMAQI
5th Aug 20255911 AMAQI
5th Aug 20256712 PMAQI
5th Aug 2025551 PMAQI
5th Aug 2025532 PMAQI
5th Aug 2025553 PMAQI
5th Aug 2025604 PMAQI
5th Aug 2025565 PMAQI
5th Aug 2025556 PMAQI
5th Aug 2025457 PMAQI
5th Aug 2025508 PMAQI
5th Aug 2025449 PMAQI
5th Aug 20254410 PMAQI
5th Aug 20254211 PMAQI
6th Aug 20254812 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 2025389 AMAQI
6th Aug 20253710 AMAQI
6th Aug 20253611 AMAQI
6th Aug 20255112 PMAQI
6th Aug 2025461 PMAQI
6th Aug 2025462 PMAQI
6th Aug 2025423 PMAQI
6th Aug 2025444 PMAQI
6th Aug 2025545 PMAQI
6th Aug 2025426 PMAQI
6th Aug 2025467 PMAQI
6th Aug 2025518 PMAQI
6th Aug 2025429 PMAQI
6th Aug 20254310 PMAQI
6th Aug 20254011 PMAQI
7th Aug 20254412 AMAQI
7th Aug 2025481 AMAQI
7th Aug 2025522 AMAQI
7th Aug 2025493 AMAQI
29°C26/36°C
7th Aug 2025514 AMAQI
7th Aug 2025505 AMAQI
7th Aug 2025506 AMAQI
7th Aug 2025447 AMAQI
7th Aug 2025508 AMAQI
7th Aug 2025339 AMAQI
7th Aug 20253110 AMAQI
7th Aug 20254011 AMAQI
7th Aug 20252412 PMAQI
7th Aug 2025231 PMAQI
7th Aug 2025252 PMAQI
7th Aug 2025213 PMAQI
7th Aug 2025264 PMAQI
7th Aug 2025285 PMAQI
7th Aug 2025316 PMAQI
7th Aug 2025317 PMAQI
7th Aug 2025368 PMAQI
7th Aug 2025469 PMAQI
7th Aug 20254410 PMAQI
7th Aug 20254311 PMAQI
8th Aug 20254212 AMAQI
8th Aug 2025401 AMAQI
8th Aug 2025432 AMAQI
8th Aug 2025493 AMAQI
27°C25/31°C
8th Aug 2025474 AMAQI
4 AM8th Aug 2025445 AMAQI
8th Aug 2025446 AMAQI
8th Aug 2025447 AMAQI
8th Aug 2025448 AMAQI
8th Aug 2025409 AMAQI
8th Aug 20252910 AMAQI
8th Aug 20252711 AMAQI
11 AM6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
12 PM - 6 PM
48AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
9 AM - 10 AM
41AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 6 PM (Avg. 48), while the lowest AQI was between 9 AM to 10 AM (Avg. 41).
Night time
Avg. Highest Time
2 AM - 11 PM
45AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
12 AM - 1 AM
43AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 11 PM (Avg. 45), while the lowest AQI was between 12 AM to 1 AM (Avg. 43).
2025 Days Vs Air Quality
Chuo, Utsunomiya, Tochigi, Japan
2025
83%
182
17%
37
Total number of days with different AQI categories in last 220 days in 2025 (145 days remaining)
Good
182 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 220 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
Chuo, 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
30AQI
30AQI
2nd January 2025
30AQI
30AQI
3rd January 2025
24AQI
24AQI
4th January 2025
25AQI
25AQI
5th January 2025
31AQI
31AQI
6th January 2025
48AQI
48AQI
7th January 2025
33AQI
33AQI
8th January 2025
35AQI
35AQI
9th January 2025
33AQI
33AQI
10th January 2025
28AQI
28AQI
11th January 2025
30AQI
30AQI
12th January 2025
32AQI
32AQI
13th January 2025
36AQI
36AQI
14th January 2025
42AQI
42AQI
15th January 2025
39AQI
39AQI
16th January 2025
37AQI
37AQI
17th January 2025
37AQI
37AQI
18th January 2025
34AQI
34AQI
19th January 2025
56AQI
56AQI
20th January 2025
43AQI
43AQI
21st January 2025
46AQI
46AQI
22nd January 2025
40AQI
40AQI
23rd January 2025
43AQI
43AQI
24th January 2025
48AQI
48AQI
25th January 2025
37AQI
37AQI
26th January 2025
37AQI
37AQI
27th January 2025
33AQI
33AQI
28th January 2025
38AQI
38AQI
29th January 2025
31AQI
31AQI
30th January 2025
34AQI
34AQI
31st January 2025
31AQI
31AQI
1st February 2025
31AQI
31AQI
2nd February 2025
37AQI
37AQI
3rd February 2025
34AQI
34AQI
4th February 2025
33AQI
33AQI
5th February 2025
33AQI
33AQI
6th February 2025
30AQI
30AQI
7th February 2025
29AQI
29AQI
8th February 2025
31AQI
31AQI
9th February 2025
28AQI
28AQI
10th February 2025
29AQI
29AQI
11th February 2025
29AQI
29AQI
12th February 2025
35AQI
35AQI
13th February 2025
35AQI
35AQI
14th February 2025
34AQI
34AQI
15th February 2025
28AQI
28AQI
16th February 2025
41AQI
41AQI
17th February 2025
38AQI
38AQI
18th February 2025
33AQI
33AQI
19th February 2025
29AQI
29AQI
20th February 2025
30AQI
30AQI
21st February 2025
32AQI
32AQI
22nd February 2025
31AQI
31AQI
23rd February 2025
31AQI
31AQI
24th February 2025
33AQI
33AQI
25th February 2025
43AQI
43AQI
26th February 2025
41AQI
41AQI
27th February 2025
46AQI
46AQI
28th February 2025
51AQI
51AQI
1st March 2025
55AQI
55AQI
2nd March 2025
59AQI
59AQI
3rd March 2025
38AQI
38AQI
4th March 2025
39AQI
39AQI
5th March 2025
29AQI
29AQI
6th March 2025
36AQI
36AQI
7th March 2025
31AQI
31AQI
8th March 2025
41AQI
41AQI
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
48AQI
48AQI
15th March 2025
46AQI
46AQI
16th March 2025
28AQI
28AQI
17th March 2025
27AQI
27AQI
18th March 2025
27AQI
27AQI
19th March 2025
20AQI
20AQI
20th March 2025
30AQI
30AQI
21st March 2025
40AQI
40AQI
22nd March 2025
53AQI
53AQI
23rd March 2025
56AQI
56AQI
24th March 2025
55AQI
55AQI
25th March 2025
71AQI
71AQI
26th March 2025
65AQI
65AQI
27th March 2025
70AQI
70AQI
28th March 2025
58AQI
58AQI
29th March 2025
37AQI
37AQI
30th March 2025
37AQI
37AQI
31st March 2025
32AQI
32AQI
1st April 2025
27AQI
27AQI
2nd April 2025
22AQI
22AQI
3rd April 2025
24AQI
24AQI
4th April 2025
25AQI
25AQI
5th April 2025
31AQI
31AQI
6th April 2025
28AQI
28AQI
7th April 2025
31AQI
31AQI
8th April 2025
43AQI
43AQI
9th April 2025
30AQI
30AQI
10th April 2025
48AQI
48AQI
11th April 2025
40AQI
40AQI
12th April 2025
40AQI
40AQI
13th April 2025
27AQI
27AQI
14th April 2025
25AQI
25AQI
15th April 2025
29AQI
29AQI
16th April 2025
26AQI
26AQI
17th April 2025
46AQI
46AQI
18th April 2025
55AQI
55AQI
19th April 2025
67AQI
67AQI
20th April 2025
62AQI
62AQI
21st April 2025
46AQI
46AQI
22nd April 2025
53AQI
53AQI
23rd April 2025
31AQI
31AQI
24th April 2025
40AQI
40AQI
25th April 2025
33AQI
33AQI
26th April 2025
49AQI
49AQI
27th April 2025
46AQI
46AQI
28th April 2025
55AQI
55AQI
29th April 2025
33AQI
33AQI
30th April 2025
47AQI
47AQI
1st May 2025
43AQI
43AQI
2nd May 2025
32AQI
32AQI
3rd May 2025
33AQI
33AQI
4th May 2025
34AQI
34AQI
5th May 2025
37AQI
37AQI
6th May 2025
32AQI
32AQI
7th May 2025
27AQI
27AQI
8th May 2025
32AQI
32AQI
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
42AQI
42AQI
15th May 2025
45AQI
45AQI
16th May 2025
50AQI
50AQI
17th May 2025
33AQI
33AQI
18th May 2025
39AQI
39AQI
19th May 2025
43AQI
43AQI
20th May 2025
56AQI
56AQI
21st May 2025
63AQI
63AQI
22nd May 2025
52AQI
52AQI
23rd May 2025
50AQI
50AQI
24th May 2025
40AQI
40AQI
25th May 2025
32AQI
32AQI
26th May 2025
31AQI
31AQI
27th May 2025
27AQI
27AQI
28th May 2025
27AQI
27AQI
29th May 2025
32AQI
32AQI
30th May 2025
28AQI
28AQI
31st May 2025
19AQI
19AQI
1st June 2025
23AQI
23AQI
2nd June 2025
35AQI
35AQI
3rd June 2025
39AQI
39AQI
4th June 2025
32AQI
32AQI
5th June 2025
39AQI
39AQI
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
35AQI
35AQI
12th June 2025
42AQI
42AQI
13th June 2025
41AQI
41AQI
14th June 2025
39AQI
39AQI
15th June 2025
29AQI
29AQI
16th June 2025
37AQI
37AQI
17th June 2025
39AQI
39AQI
18th June 2025
36AQI
36AQI
19th June 2025
40AQI
40AQI
20th June 2025
40AQI
40AQI
21st June 2025
36AQI
36AQI
22nd June 2025
33AQI
33AQI
23rd June 2025
33AQI
33AQI
24th June 2025
34AQI
34AQI
25th June 2025
26AQI
26AQI
26th June 2025
27AQI
27AQI
27th June 2025
33AQI
33AQI
28th June 2025
35AQI
35AQI
29th June 2025
43AQI
43AQI
30th June 2025
48AQI
48AQI
1st July 2025
51AQI
51AQI
2nd July 2025
50AQI
50AQI
3rd July 2025
50AQI
50AQI
4th July 2025
51AQI
51AQI
5th July 2025
54AQI
54AQI
6th July 2025
58AQI
58AQI
7th July 2025
71AQI
71AQI
8th July 2025
75AQI
75AQI
9th July 2025
83AQI
83AQI
10th July 2025
58AQI
58AQI
11th July 2025
44AQI
44AQI
12th July 2025
45AQI
45AQI
13th July 2025
49AQI
49AQI
14th July 2025
34AQI
34AQI
15th July 2025
36AQI
36AQI
16th July 2025
39AQI
39AQI
17th July 2025
36AQI
36AQI
18th July 2025
35AQI
35AQI
19th July 2025
33AQI
33AQI
20th July 2025
37AQI
37AQI
21st July 2025
42AQI
42AQI
22nd July 2025
43AQI
43AQI
23rd July 2025
44AQI
44AQI
24th July 2025
49AQI
49AQI
25th July 2025
51AQI
51AQI
26th July 2025
54AQI
54AQI
27th July 2025
53AQI
53AQI
28th July 2025
51AQI
51AQI
29th July 2025
51AQI
51AQI
30th July 2025
46AQI
46AQI
31st July 2025
47AQI
47AQI
1st August 2025
36AQI
36AQI
2nd August 2025
41AQI
41AQI
3rd August 2025
44AQI
44AQI
4th August 2025
55AQI
55AQI
5th August 2025
50AQI
50AQI
6th August 2025
47AQI
47AQI
7th August 2025
44AQI
44AQI
36AQI
34AQI
44AQI
39AQI
36AQI
39AQI
49AQI
45AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202540AQI
30
1
27
1
21
10
25
5
28
3
27
3
18
13
6
1
182
37
Highest AQI recorded in
July49AQI
Lowest AQI recorded in
February34AQI
202438AQI
31
28
1
23
8
20
9
1
25
6
25
5
20
11
31
28
2
29
2
28
2
31
319
46
1
Highest AQI recorded in
April49AQI
Lowest AQI recorded in
August29AQI
202339AQI
7
6
26
5
22
8
22
9
30
1
29
1
29
2
21
7
27
4
213
43
Highest AQI recorded in
April49AQI
Lowest AQI recorded in
August31AQI
202239AQI
27
4
18
3
21
10
21
9
25
6
22
8
18
5
3
29
28
3
9
3
221
51
Highest AQI recorded in
April45AQI
Lowest AQI recorded in
September31AQI
202140AQI
27
4
22
6
24
5
19
2
25
6
22
8
27
4
25
6
28
2
25
6
26
4
23
8
293
61
Highest AQI recorded in
June46AQI
Lowest AQI recorded in
January36AQI
202039AQI
12
1
19
2
18
24
6
29
2
16
15
18
1
25
6
21
9
26
5
208
47
Highest AQI recorded in
August50AQI
Lowest AQI recorded in
September29AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
40AQILeast Polluted Year Recorded
2024(Avg.)
38AQIChuo's annual 2025 AQI (40) shows an average percentage change of 2.4% (worsened AQI) compared to previous years: 2020 (39), 2021 (40), 2022 (39), 2023 (39), 2024 (38).
