Kofu, Yamanashi, 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
Kofu, Yamanashi, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Aug 2023
87AQILowest AQI recorded on
15th Aug 2021
16AQISame Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 56 of Moderate air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Kofu, Yamanashi, Japan
AQI
Day
Night
.
4 AM5th Aug 2025
6 PM
3 AM6th Aug 2025
Day time
Avg. Highest Time
10AM5th Aug
60AQI
Avg. Lowest Time
2PM5th Aug
48AQI
Night time
Avg. Highest Time
7PM5th Aug
56AQI
Avg. Lowest Time
11PM5th Aug
42AQI
In the last 24 hours,
Kofu's AQI reached its highest point of 60 at 10 AM during the Day, while the lowest point, 42, was recorded at 11 PM during the Night between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Kofu, Yamanashi, Japan
JulAug
07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th
Day
Night
7th Jul 2025544 AMAQI
7th Jul 2025565 AMAQI
7th Jul 2025566 AMAQI
7th Jul 2025567 AMAQI
7th Jul 2025568 AMAQI
7th Jul 2025729 AMAQI
7th Jul 20258410 AMAQI
7th Jul 20258511 AMAQI
7th Jul 20257712 PMAQI
7th Jul 2025781 PMAQI
7th Jul 2025732 PMAQI
7th Jul 2025723 PMAQI
7th Jul 2025754 PMAQI
7th Jul 2025745 PMAQI
7th Jul 2025876 PMAQI
7th Jul 2025817 PMAQI
7th Jul 2025718 PMAQI
7th Jul 2025659 PMAQI
7th Jul 20256010 PMAQI
7th Jul 20256711 PMAQI
8th Jul 20255712 AMAQI
8th Jul 2025561 AMAQI
8th Jul 2025562 AMAQI
8th Jul 2025563 AMAQI
23°C19/27°C
8th Jul 2025574 AMAQI
8th Jul 2025595 AMAQI
8th Jul 2025606 AMAQI
8th Jul 2025607 AMAQI
8th Jul 2025608 AMAQI
8th Jul 2025929 AMAQI
8th Jul 202510410 AMAQI
8th Jul 202510711 AMAQI
8th Jul 202510112 PMAQI
8th Jul 2025871 PMAQI
8th Jul 2025782 PMAQI
8th Jul 2025773 PMAQI
8th Jul 2025824 PMAQI
8th Jul 2025765 PMAQI
8th Jul 2025776 PMAQI
8th Jul 2025757 PMAQI
8th Jul 2025678 PMAQI
8th Jul 2025689 PMAQI
8th Jul 20257110 PMAQI
8th Jul 20257211 PMAQI
9th Jul 20257212 AMAQI
9th Jul 2025691 AMAQI
9th Jul 2025632 AMAQI
9th Jul 2025643 AMAQI
24°C20/29°C
9th Jul 2025634 AMAQI
9th Jul 2025685 AMAQI
9th Jul 2025686 AMAQI
9th Jul 2025687 AMAQI
9th Jul 2025688 AMAQI
9th Jul 2025779 AMAQI
9th Jul 20258410 AMAQI
9th Jul 20258011 AMAQI
9th Jul 20258412 PMAQI
9th Jul 2025881 PMAQI
9th Jul 2025892 PMAQI
9th Jul 2025873 PMAQI
9th Jul 2025984 PMAQI
9th Jul 20251005 PMAQI
9th Jul 2025946 PMAQI
9th Jul 2025907 PMAQI
9th Jul 2025908 PMAQI
9th Jul 2025749 PMAQI
9th Jul 20257210 PMAQI
9th Jul 20257211 PMAQI
10th Jul 20257012 AMAQI
10th Jul 2025671 AMAQI
10th Jul 2025672 AMAQI
10th Jul 2025663 AMAQI
23°C18/31°C
10th Jul 2025684 AMAQI
10th Jul 2025705 AMAQI
10th Jul 2025716 AMAQI
10th Jul 2025707 AMAQI
10th Jul 2025718 AMAQI
10th Jul 2025779 AMAQI
10th Jul 20258110 AMAQI
10th Jul 20259611 AMAQI
10th Jul 20259612 PMAQI
10th Jul 2025771 PMAQI
10th Jul 2025742 PMAQI
10th Jul 2025733 PMAQI
10th Jul 2025674 PMAQI
10th Jul 2025595 PMAQI
10th Jul 2025566 PMAQI
10th Jul 2025517 PMAQI
10th Jul 2025578 PMAQI
10th Jul 2025629 PMAQI
10th Jul 20256210 PMAQI
10th Jul 20256211 PMAQI
11th Jul 20256112 AMAQI
11th Jul 2025641 AMAQI
11th Jul 2025682 AMAQI
11th Jul 2025683 AMAQI
22°C18/28°C
11th Jul 2025694 AMAQI
11th Jul 2025715 AMAQI
11th Jul 2025706 AMAQI
11th Jul 2025707 AMAQI
11th Jul 2025708 AMAQI
11th Jul 2025329 AMAQI
11th Jul 20252410 AMAQI
11th Jul 20253011 AMAQI
11th Jul 20252612 PMAQI
11th Jul 2025361 PMAQI
11th Jul 2025402 PMAQI
11th Jul 2025413 PMAQI
11th Jul 2025414 PMAQI
11th Jul 2025405 PMAQI
11th Jul 2025366 PMAQI
11th Jul 2025357 PMAQI
11th Jul 2025458 PMAQI
11th Jul 2025569 PMAQI
11th Jul 20255610 PMAQI
11th Jul 20255611 PMAQI
12th Jul 20255712 AMAQI
12th Jul 2025601 AMAQI
12th Jul 2025662 AMAQI
12th Jul 2025663 AMAQI
20°C17/25°C
12th Jul 2025644 AMAQI
12th Jul 2025625 AMAQI
12th Jul 2025616 AMAQI
12th Jul 2025627 AMAQI
12th Jul 2025628 AMAQI
12th Jul 2025369 AMAQI
12th Jul 20253110 AMAQI
12th Jul 20253411 AMAQI
12th Jul 20253412 PMAQI
12th Jul 2025411 PMAQI
12th Jul 2025432 PMAQI
12th Jul 2025463 PMAQI
12th Jul 2025444 PMAQI
12th Jul 2025475 PMAQI
12th Jul 2025326 PMAQI
12th Jul 2025307 PMAQI
12th Jul 2025398 PMAQI
12th Jul 2025539 PMAQI
12th Jul 20255410 PMAQI
12th Jul 20255411 PMAQI
13th Jul 20255412 AMAQI
13th Jul 2025561 AMAQI
13th Jul 2025612 AMAQI
13th Jul 2025613 AMAQI
21°C17/25°C
13th Jul 2025604 AMAQI
13th Jul 2025585 AMAQI
13th Jul 2025586 AMAQI
13th Jul 2025587 AMAQI
13th Jul 2025588 AMAQI
13th Jul 2025469 AMAQI
13th Jul 20254110 AMAQI
13th Jul 20254311 AMAQI
13th Jul 20254712 PMAQI
13th Jul 2025501 PMAQI
13th Jul 2025522 PMAQI
13th Jul 2025513 PMAQI
13th Jul 2025504 PMAQI
13th Jul 2025505 PMAQI
13th Jul 2025516 PMAQI
13th Jul 2025447 PMAQI
13th Jul 2025478 PMAQI
13th Jul 2025539 PMAQI
13th Jul 20255310 PMAQI
13th Jul 20255311 PMAQI
14th Jul 20255312 AMAQI
14th Jul 2025551 AMAQI
14th Jul 2025582 AMAQI
14th Jul 2025583 AMAQI
22°C17/29°C
14th Jul 2025574 AMAQI
14th Jul 2025575 AMAQI
14th Jul 2025576 AMAQI
14th Jul 2025577 AMAQI
14th Jul 2025578 AMAQI
14th Jul 2025379 AMAQI
14th Jul 20253610 AMAQI
14th Jul 20253111 AMAQI
14th Jul 20253012 PMAQI
14th Jul 2025351 PMAQI
14th Jul 2025342 PMAQI
14th Jul 2025343 PMAQI
14th Jul 2025374 PMAQI
14th Jul 2025365 PMAQI
14th Jul 2025336 PMAQI
14th Jul 2025307 PMAQI
14th Jul 2025338 PMAQI
14th Jul 2025469 PMAQI
14th Jul 20254810 PMAQI
14th Jul 20254711 PMAQI
15th Jul 20254812 AMAQI
15th Jul 2025501 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025563 AMAQI
21°C16/28°C
15th Jul 2025554 AMAQI
15th Jul 2025545 AMAQI
15th Jul 2025546 AMAQI
15th Jul 2025547 AMAQI
15th Jul 2025548 AMAQI
15th Jul 2025289 AMAQI
15th Jul 20252110 AMAQI
15th Jul 20251811 AMAQI
15th Jul 20251912 PMAQI
15th Jul 2025201 PMAQI
15th Jul 2025232 PMAQI
15th Jul 2025253 PMAQI
15th Jul 2025284 PMAQI
15th Jul 2025275 PMAQI
15th Jul 2025206 PMAQI
15th Jul 2025217 PMAQI
15th Jul 2025268 PMAQI
15th Jul 2025409 PMAQI
15th Jul 20254310 PMAQI
15th Jul 20253911 PMAQI
16th Jul 20254012 AMAQI
16th Jul 2025451 AMAQI
16th Jul 2025542 AMAQI
16th Jul 2025543 AMAQI
21°C17/24°C
16th Jul 2025534 AMAQI
16th Jul 2025525 AMAQI
16th Jul 2025516 AMAQI
16th Jul 2025517 AMAQI
16th Jul 2025518 AMAQI
16th Jul 2025329 AMAQI
16th Jul 20254910 AMAQI
16th Jul 20255511 AMAQI
16th Jul 20255712 PMAQI
16th Jul 2025471 PMAQI
16th Jul 2025492 PMAQI
16th Jul 2025293 PMAQI
16th Jul 2025334 PMAQI
16th Jul 2025405 PMAQI
16th Jul 2025346 PMAQI
16th Jul 2025287 PMAQI
16th Jul 2025328 PMAQI
16th Jul 2025409 PMAQI
16th Jul 20254010 PMAQI
16th Jul 20253911 PMAQI
17th Jul 20253612 AMAQI
17th Jul 2025411 AMAQI
17th Jul 2025512 AMAQI
17th Jul 2025513 AMAQI
20°C16/23°C
17th Jul 2025514 AMAQI
17th Jul 2025525 AMAQI
17th Jul 2025516 AMAQI
17th Jul 2025517 AMAQI
17th Jul 2025518 AMAQI
17th Jul 2025279 AMAQI
17th Jul 20252010 AMAQI
17th Jul 20251911 AMAQI
17th Jul 20252212 PMAQI
17th Jul 2025241 PMAQI
17th Jul 2025272 PMAQI
17th Jul 2025283 PMAQI
17th Jul 2025304 PMAQI
17th Jul 2025375 PMAQI
17th Jul 2025376 PMAQI
17th Jul 2025267 PMAQI
17th Jul 2025308 PMAQI
17th Jul 2025379 PMAQI
17th Jul 20253810 PMAQI
17th Jul 20253811 PMAQI
18th Jul 20253812 AMAQI
18th Jul 2025421 AMAQI
18th Jul 2025482 AMAQI
18th Jul 2025483 AMAQI
20°C17/24°C
18th Jul 2025474 AMAQI
18th Jul 2025445 AMAQI
18th Jul 2025446 AMAQI
18th Jul 2025447 AMAQI
18th Jul 2025438 AMAQI
18th Jul 2025249 AMAQI
18th Jul 20252210 AMAQI
18th Jul 20252511 AMAQI
18th Jul 20252812 PMAQI
18th Jul 2025341 PMAQI
18th Jul 2025332 PMAQI
18th Jul 2025313 PMAQI
18th Jul 2025314 PMAQI
18th Jul 2025355 PMAQI
18th Jul 2025406 PMAQI
18th Jul 2025377 PMAQI
18th Jul 2025308 PMAQI
18th Jul 2025409 PMAQI
18th Jul 20254410 PMAQI
18th Jul 20254011 PMAQI
19th Jul 20253912 AMAQI
19th Jul 2025441 AMAQI
19th Jul 2025452 AMAQI
19th Jul 2025463 AMAQI
21°C16/28°C
19th Jul 2025444 AMAQI
19th Jul 2025425 AMAQI
19th Jul 2025426 AMAQI
19th Jul 2025437 AMAQI
19th Jul 2025428 AMAQI
19th Jul 2025329 AMAQI
19th Jul 20253810 AMAQI
19th Jul 20253511 AMAQI
19th Jul 20252512 PMAQI
19th Jul 2025251 PMAQI
19th Jul 2025252 PMAQI
19th Jul 2025283 PMAQI
19th Jul 2025304 PMAQI
19th Jul 2025315 PMAQI
19th Jul 2025306 PMAQI
19th Jul 2025347 PMAQI
19th Jul 2025368 PMAQI
19th Jul 2025399 PMAQI
19th Jul 20254010 PMAQI
19th Jul 20254011 PMAQI
20th Jul 20254012 AMAQI
20th Jul 2025431 AMAQI
20th Jul 2025432 AMAQI
20th Jul 2025433 AMAQI
22°C17/28°C
20th Jul 2025424 AMAQI
20th Jul 2025415 AMAQI
20th Jul 2025416 AMAQI
20th Jul 2025417 AMAQI
20th Jul 2025418 AMAQI
20th Jul 2025359 AMAQI
20th Jul 20253910 AMAQI
20th Jul 20253311 AMAQI
20th Jul 20252912 PMAQI
20th Jul 2025301 PMAQI
20th Jul 2025352 PMAQI
20th Jul 2025333 PMAQI
20th Jul 2025354 PMAQI
20th Jul 2025395 PMAQI
20th Jul 2025386 PMAQI
20th Jul 2025327 PMAQI
20th Jul 2025328 PMAQI
20th Jul 2025359 PMAQI
20th Jul 20253610 PMAQI
20th Jul 20253611 PMAQI
21st Jul 20253612 AMAQI
21st Jul 2025371 AMAQI
21st Jul 2025422 AMAQI
21st Jul 2025423 AMAQI
23°C18/30°C
21st Jul 2025414 AMAQI
21st Jul 2025405 AMAQI
21st Jul 2025406 AMAQI
21st Jul 2025417 AMAQI
21st Jul 2025408 AMAQI
21st Jul 2025299 AMAQI
21st Jul 20254210 AMAQI
21st Jul 20255011 AMAQI
21st Jul 20255212 PMAQI
21st Jul 2025521 PMAQI
21st Jul 2025482 PMAQI
21st Jul 2025483 PMAQI
21st Jul 2025464 PMAQI
21st Jul 2025515 PMAQI
21st Jul 2025536 PMAQI
21st Jul 2025417 PMAQI
21st Jul 2025418 PMAQI
21st Jul 2025409 PMAQI
21st Jul 20253910 PMAQI
21st Jul 20254011 PMAQI
22nd Jul 20254012 AMAQI
22nd Jul 2025411 AMAQI
22nd Jul 2025412 AMAQI
22nd Jul 2025393 AMAQI
23°C18/31°C
22nd Jul 2025404 AMAQI
22nd Jul 2025415 AMAQI
22nd Jul 2025406 AMAQI
22nd Jul 2025407 AMAQI
22nd Jul 2025408 AMAQI
22nd Jul 2025349 AMAQI
22nd Jul 20255110 AMAQI
22nd Jul 20255111 AMAQI
22nd Jul 20255312 PMAQI
22nd Jul 2025521 PMAQI
22nd Jul 2025512 PMAQI
22nd Jul 2025483 PMAQI
22nd Jul 2025464 PMAQI
22nd Jul 2025375 PMAQI
22nd Jul 2025406 PMAQI
22nd Jul 2025357 PMAQI
22nd Jul 2025338 PMAQI
22nd Jul 2025379 PMAQI
22nd Jul 20253310 PMAQI
22nd Jul 20253311 PMAQI
23rd Jul 20253412 AMAQI
23rd Jul 2025361 AMAQI
23rd Jul 2025402 AMAQI
23rd Jul 2025403 AMAQI
22°C19/28°C
23rd Jul 2025414 AMAQI
23rd Jul 2025425 AMAQI
23rd Jul 2025436 AMAQI
23rd Jul 2025427 AMAQI
23rd Jul 2025428 AMAQI
23rd Jul 2025429 AMAQI
23rd Jul 20254510 AMAQI
23rd Jul 20256011 AMAQI
23rd Jul 20255912 PMAQI
23rd Jul 2025571 PMAQI
23rd Jul 2025592 PMAQI
23rd Jul 2025603 PMAQI
23rd Jul 2025584 PMAQI
23rd Jul 2025575 PMAQI
23rd Jul 2025486 PMAQI
23rd Jul 2025387 PMAQI
23rd Jul 2025308 PMAQI
23rd Jul 2025339 PMAQI
23rd Jul 20253210 PMAQI
23rd Jul 20253311 PMAQI
24th Jul 20253212 AMAQI
24th Jul 2025351 AMAQI
24th Jul 2025412 AMAQI
24th Jul 2025413 AMAQI
23°C18/31°C
24th Jul 2025434 AMAQI
24th Jul 2025455 AMAQI
24th Jul 2025456 AMAQI
24th Jul 2025457 AMAQI
24th Jul 2025448 AMAQI
24th Jul 2025499 AMAQI
24th Jul 20255810 AMAQI
24th Jul 20256011 AMAQI
24th Jul 20256112 PMAQI
24th Jul 2025581 PMAQI
24th Jul 2025562 PMAQI
24th Jul 2025583 PMAQI
24th Jul 2025624 PMAQI
24th Jul 2025605 PMAQI
24th Jul 2025496 PMAQI
24th Jul 2025447 PMAQI
24th Jul 2025418 PMAQI
24th Jul 2025409 PMAQI
24th Jul 20253310 PMAQI
24th Jul 20253211 PMAQI
25th Jul 20253912 AMAQI
25th Jul 2025391 AMAQI
25th Jul 2025422 AMAQI
25th Jul 2025403 AMAQI
23°C18/30°C
25th Jul 2025434 AMAQI
25th Jul 2025475 AMAQI
25th Jul 2025476 AMAQI
25th Jul 2025467 AMAQI
25th Jul 2025478 AMAQI
25th Jul 2025469 AMAQI
25th Jul 20255210 AMAQI
25th Jul 20255611 AMAQI
25th Jul 20256012 PMAQI
25th Jul 2025581 PMAQI
25th Jul 2025572 PMAQI
25th Jul 2025543 PMAQI
25th Jul 2025514 PMAQI
25th Jul 2025465 PMAQI
25th Jul 2025436 PMAQI
25th Jul 2025367 PMAQI
25th Jul 2025328 PMAQI
25th Jul 2025379 PMAQI
25th Jul 20253610 PMAQI
25th Jul 20253511 PMAQI
26th Jul 20253412 AMAQI
26th Jul 2025361 AMAQI
26th Jul 2025442 AMAQI
26th Jul 2025443 AMAQI
23°C18/32°C
26th Jul 2025464 AMAQI
26th Jul 2025475 AMAQI
26th Jul 2025476 AMAQI
26th Jul 2025477 AMAQI
26th Jul 2025478 AMAQI
26th Jul 2025359 AMAQI
26th Jul 20254010 AMAQI
26th Jul 20255511 AMAQI
26th Jul 20255712 PMAQI
26th Jul 2025561 PMAQI
26th Jul 2025532 PMAQI
26th Jul 2025543 PMAQI
26th Jul 2025454 PMAQI
26th Jul 2025355 PMAQI
26th Jul 2025306 PMAQI
26th Jul 2025297 PMAQI
26th Jul 2025348 PMAQI
26th Jul 2025379 PMAQI
26th Jul 20253710 PMAQI
26th Jul 20253811 PMAQI
27th Jul 20253712 AMAQI
27th Jul 2025391 AMAQI
27th Jul 2025452 AMAQI
27th Jul 2025443 AMAQI
23°C17/30°C
27th Jul 2025454 AMAQI
27th Jul 2025475 AMAQI
27th Jul 2025476 AMAQI
27th Jul 2025467 AMAQI
27th Jul 2025468 AMAQI
27th Jul 2025379 AMAQI
27th Jul 20253310 AMAQI
27th Jul 20254911 AMAQI
27th Jul 20254012 PMAQI
27th Jul 2025431 PMAQI
27th Jul 2025462 PMAQI
27th Jul 2025483 PMAQI
27th Jul 2025414 PMAQI
27th Jul 2025415 PMAQI
27th Jul 2025466 PMAQI
27th Jul 2025427 PMAQI
27th Jul 2025448 PMAQI
27th Jul 2025459 PMAQI
27th Jul 20254610 PMAQI
27th Jul 20254711 PMAQI
28th Jul 20254612 AMAQI
28th Jul 2025461 AMAQI
28th Jul 2025452 AMAQI
28th Jul 2025443 AMAQI
22°C17/29°C
28th Jul 2025454 AMAQI
28th Jul 2025445 AMAQI
28th Jul 2025446 AMAQI
28th Jul 2025447 AMAQI
28th Jul 2025448 AMAQI
28th Jul 2025359 AMAQI
28th Jul 20254310 AMAQI
28th Jul 20255011 AMAQI
28th Jul 20254612 PMAQI
28th Jul 2025481 PMAQI
28th Jul 2025512 PMAQI
28th Jul 2025473 PMAQI
28th Jul 2025504 PMAQI
28th Jul 2025635 PMAQI
28th Jul 2025606 PMAQI
28th Jul 2025597 PMAQI
28th Jul 2025548 PMAQI
28th Jul 2025419 PMAQI
28th Jul 20254110 PMAQI
28th Jul 20254111 PMAQI
29th Jul 20254012 AMAQI
29th Jul 2025421 AMAQI
29th Jul 2025432 AMAQI
29th Jul 2025423 AMAQI
23°C18/30°C
29th Jul 2025444 AMAQI
29th Jul 2025445 AMAQI
29th Jul 2025446 AMAQI
29th Jul 2025447 AMAQI
29th Jul 2025458 AMAQI
29th Jul 2025489 AMAQI
29th Jul 20255210 AMAQI
29th Jul 20255711 AMAQI
29th Jul 20255512 PMAQI
29th Jul 2025541 PMAQI
29th Jul 2025502 PMAQI
29th Jul 2025513 PMAQI
29th Jul 2025534 PMAQI
29th Jul 2025525 PMAQI
29th Jul 2025536 PMAQI
29th Jul 2025547 PMAQI
29th Jul 2025548 PMAQI
29th Jul 2025509 PMAQI
29th Jul 20255110 PMAQI
29th Jul 20254911 PMAQI
30th Jul 20254612 AMAQI
30th Jul 2025451 AMAQI
30th Jul 2025452 AMAQI
30th Jul 2025423 AMAQI
24°C18/33°C
30th Jul 2025434 AMAQI
30th Jul 2025445 AMAQI
30th Jul 2025456 AMAQI
30th Jul 2025457 AMAQI
30th Jul 2025448 AMAQI
30th Jul 2025449 AMAQI
30th Jul 20255210 AMAQI
30th Jul 20254711 AMAQI
30th Jul 20254612 PMAQI
30th Jul 2025501 PMAQI
30th Jul 2025542 PMAQI
30th Jul 2025523 PMAQI
30th Jul 2025514 PMAQI
30th Jul 2025535 PMAQI
30th Jul 2025526 PMAQI
30th Jul 2025497 PMAQI
30th Jul 2025438 PMAQI
30th Jul 2025509 PMAQI
30th Jul 20254710 PMAQI
30th Jul 20254611 PMAQI
31st Jul 20254212 AMAQI
31st Jul 2025391 AMAQI
31st Jul 2025452 AMAQI
31st Jul 2025453 AMAQI
24°C18/31°C
31st Jul 2025444 AMAQI
31st Jul 2025445 AMAQI
31st Jul 2025446 AMAQI
31st Jul 2025447 AMAQI
31st Jul 2025448 AMAQI
31st Jul 2025449 AMAQI
31st Jul 20254410 AMAQI
31st Jul 20254911 AMAQI
31st Jul 20254912 PMAQI
31st Jul 2025541 PMAQI
31st Jul 2025532 PMAQI
31st Jul 2025493 PMAQI
31st Jul 2025514 PMAQI
31st Jul 2025515 PMAQI
31st Jul 2025486 PMAQI
31st Jul 2025417 PMAQI
31st Jul 2025368 PMAQI
31st Jul 2025409 PMAQI
31st Jul 20253710 PMAQI
31st Jul 20253811 PMAQI
1st Aug 20253612 AMAQI
1st Aug 2025351 AMAQI
1st Aug 2025342 AMAQI
1st Aug 2025383 AMAQI
22°C17/29°C
1st Aug 2025364 AMAQI
1st Aug 2025355 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025367 AMAQI
1st Aug 2025388 AMAQI
1st Aug 2025329 AMAQI
1st Aug 20253110 AMAQI
1st Aug 20253911 AMAQI
1st Aug 20254612 PMAQI
1st Aug 2025491 PMAQI
1st Aug 2025382 PMAQI
1st Aug 2025333 PMAQI
1st Aug 2025464 PMAQI
1st Aug 2025415 PMAQI
1st Aug 2025506 PMAQI
1st Aug 2025437 PMAQI
1st Aug 2025368 PMAQI
1st Aug 2025369 PMAQI
1st Aug 20253610 PMAQI
1st Aug 20253211 PMAQI
2nd Aug 20253412 AMAQI
2nd Aug 2025311 AMAQI
2nd Aug 2025372 AMAQI
2nd Aug 2025383 AMAQI
22°C17/28°C
2nd Aug 2025414 AMAQI
2nd Aug 2025425 AMAQI
2nd Aug 2025426 AMAQI
2nd Aug 2025397 AMAQI
2nd Aug 2025418 AMAQI
2nd Aug 2025439 AMAQI
2nd Aug 20253910 AMAQI
2nd Aug 20254311 AMAQI
2nd Aug 20253312 PMAQI
2nd Aug 2025421 PMAQI
2nd Aug 2025522 PMAQI
2nd Aug 2025543 PMAQI
2nd Aug 2025474 PMAQI
2nd Aug 2025515 PMAQI
2nd Aug 2025506 PMAQI
2nd Aug 2025507 PMAQI
2nd Aug 2025458 PMAQI
2nd Aug 2025429 PMAQI
2nd Aug 20253910 PMAQI
2nd Aug 20254611 PMAQI
3rd Aug 20253412 AMAQI
3rd Aug 2025371 AMAQI
3rd Aug 2025402 AMAQI
3rd Aug 2025393 AMAQI
25°C20/32°C
3rd Aug 2025424 AMAQI
3rd Aug 2025415 AMAQI
3rd Aug 2025406 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025408 AMAQI
3rd Aug 2025449 AMAQI
3rd Aug 20254810 AMAQI
3rd Aug 20255311 AMAQI
3rd Aug 20255712 PMAQI
3rd Aug 2025541 PMAQI
3rd Aug 2025542 PMAQI
3rd Aug 2025453 PMAQI
3rd Aug 2025554 PMAQI
3rd Aug 2025565 PMAQI
3rd Aug 2025546 PMAQI
3rd Aug 2025577 PMAQI
3rd Aug 2025568 PMAQI
3rd Aug 2025479 PMAQI
3rd Aug 20254910 PMAQI
3rd Aug 20254611 PMAQI
4th Aug 20254012 AMAQI
4th Aug 2025401 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025403 AMAQI
24°C19/30°C
4th Aug 2025444 AMAQI
4th Aug 2025455 AMAQI
4th Aug 2025456 AMAQI
4th Aug 2025447 AMAQI
4th Aug 2025468 AMAQI
4th Aug 2025569 AMAQI
4th Aug 20257010 AMAQI
4th Aug 20257711 AMAQI
4th Aug 20257912 PMAQI
4th Aug 2025721 PMAQI
4th Aug 2025812 PMAQI
4th Aug 2025783 PMAQI
4th Aug 2025884 PMAQI
4th Aug 2025745 PMAQI
4th Aug 2025736 PMAQI
4th Aug 2025677 PMAQI
4th Aug 2025638 PMAQI
4th Aug 2025579 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20255511 PMAQI
5th Aug 20255612 AMAQI
5th Aug 2025491 AMAQI
5th Aug 2025442 AMAQI
5th Aug 2025433 AMAQI
23°C19/29°C
5th Aug 2025514 AMAQI
5th Aug 2025535 AMAQI
5th Aug 2025536 AMAQI
5th Aug 2025547 AMAQI
5th Aug 2025528 AMAQI
5th Aug 2025529 AMAQI
5th Aug 20256010 AMAQI
5th Aug 20255311 AMAQI
5th Aug 20255912 PMAQI
5th Aug 2025551 PMAQI
5th Aug 2025482 PMAQI
5th Aug 2025533 PMAQI
5th Aug 2025584 PMAQI
5th Aug 2025505 PMAQI
5th Aug 2025496 PMAQI
5th Aug 2025567 PMAQI
5th Aug 2025548 PMAQI
5th Aug 2025509 PMAQI
5th Aug 20255010 PMAQI
5th Aug 20254211 PMAQI
6th Aug 20254412 AMAQI
6th Aug 2025501 AMAQI
6th Aug 2025502 AMAQI
6th Aug 2025503 AMAQI
25°C18/33°C
6th Aug 2025524 AMAQI
4 AM6th Aug 2025525 AMAQI
6th Aug 2025516 AMAQI
6th Aug 2025527 AMAQI
6th Aug 2025528 AMAQI
6th Aug 2025409 AMAQI
6th Aug 20253210 AMAQI
6th Aug 20253211 AMAQI
11 AM6th Aug 20254712 PMAQI
6th Aug 2025441 PMAQI
6th Aug 2025492 PMAQI
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
11 AM - 6 PM
51AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
9 AM
44AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 6 PM (Avg. 51), while the lowest AQI was between 9 AM to 9 AM (Avg. 44).
Night time
Avg. Highest Time
2 AM - 3 AM
49AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
7 PM - 11 PM
45AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 3 AM (Avg. 49), while the lowest AQI was between 7 PM to 11 PM (Avg. 45).
2025 Days Vs Air Quality
Kofu, Yamanashi, Japan
2025
87%
188
13%
28
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Good
188 DaysModerate
28 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2025, 87% of 218 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
Kofu, Yamanashi, 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
39AQI
39AQI
2nd January 2025
40AQI
40AQI
3rd January 2025
44AQI
44AQI
4th January 2025
39AQI
39AQI
5th January 2025
41AQI
41AQI
6th January 2025
54AQI
54AQI
7th January 2025
44AQI
44AQI
8th January 2025
44AQI
44AQI
9th January 2025
37AQI
37AQI
10th January 2025
33AQI
33AQI
11th January 2025
40AQI
40AQI
12th January 2025
44AQI
44AQI
13th January 2025
42AQI
42AQI
14th January 2025
47AQI
47AQI
15th January 2025
47AQI
47AQI
16th January 2025
42AQI
42AQI
17th January 2025
39AQI
39AQI
18th January 2025
44AQI
44AQI
19th January 2025
56AQI
56AQI
20th January 2025
53AQI
53AQI
21st January 2025
50AQI
50AQI
22nd January 2025
50AQI
50AQI
23rd January 2025
57AQI
57AQI
24th January 2025
64AQI
64AQI
25th January 2025
48AQI
48AQI
26th January 2025
44AQI
44AQI
27th January 2025
43AQI
43AQI
28th January 2025
47AQI
47AQI
29th January 2025
41AQI
41AQI
30th January 2025
40AQI
40AQI
31st January 2025
43AQI
43AQI
1st February 2025
47AQI
47AQI
2nd February 2025
48AQI
48AQI
3rd February 2025
49AQI
49AQI
4th February 2025
42AQI
42AQI
5th February 2025
40AQI
40AQI
6th February 2025
38AQI
38AQI
7th February 2025
38AQI
38AQI
8th February 2025
36AQI
36AQI
9th February 2025
39AQI
39AQI
10th February 2025
38AQI
38AQI
11th February 2025
38AQI
38AQI
12th February 2025
43AQI
43AQI
13th February 2025
35AQI
35AQI
14th February 2025
48AQI
48AQI
15th February 2025
34AQI
34AQI
16th February 2025
48AQI
48AQI
17th February 2025
42AQI
42AQI
18th February 2025
40AQI
40AQI
19th February 2025
36AQI
36AQI
20th February 2025
36AQI
36AQI
21st February 2025
39AQI
39AQI
22nd February 2025
36AQI
36AQI
23rd February 2025
39AQI
39AQI
24th February 2025
39AQI
39AQI
25th February 2025
47AQI
47AQI
26th February 2025
44AQI
44AQI
27th February 2025
53AQI
53AQI
28th February 2025
54AQI
54AQI
1st March 2025
56AQI
56AQI
2nd March 2025
62AQI
62AQI
3rd March 2025
39AQI
39AQI
4th March 2025
40AQI
40AQI
5th March 2025
39AQI
39AQI
6th March 2025
34AQI
34AQI
7th March 2025
38AQI
38AQI
8th March 2025
40AQI
40AQI
9th March 2025
41AQI
41AQI
10th March 2025
46AQI
46AQI
11th March 2025
43AQI
43AQI
12th March 2025
39AQI
39AQI
13th March 2025
44AQI
44AQI
14th March 2025
53AQI
53AQI
15th March 2025
47AQI
47AQI
16th March 2025
32AQI
32AQI
17th March 2025
35AQI
35AQI
18th March 2025
37AQI
37AQI
19th March 2025
31AQI
31AQI
20th March 2025
41AQI
41AQI
21st March 2025
50AQI
50AQI
22nd March 2025
58AQI
58AQI
23rd March 2025
65AQI
65AQI
24th March 2025
67AQI
67AQI
25th March 2025
72AQI
72AQI
26th March 2025
73AQI
73AQI
27th March 2025
66AQI
66AQI
28th March 2025
45AQI
45AQI
29th March 2025
32AQI
32AQI
30th March 2025
40AQI
40AQI
31st March 2025
30AQI
30AQI
1st April 2025
27AQI
27AQI
2nd April 2025
28AQI
28AQI
3rd April 2025
25AQI
25AQI
4th April 2025
31AQI
31AQI
5th April 2025
34AQI
34AQI
6th April 2025
21AQI
21AQI
7th April 2025
27AQI
27AQI
8th April 2025
24AQI
24AQI
9th April 2025
25AQI
25AQI
10th April 2025
32AQI
32AQI
11th April 2025
27AQI
27AQI
12th April 2025
31AQI
31AQI
13th April 2025
22AQI
22AQI
14th April 2025
29AQI
29AQI
15th April 2025
21AQI
21AQI
16th April 2025
24AQI
24AQI
17th April 2025
32AQI
32AQI
18th April 2025
40AQI
40AQI
19th April 2025
43AQI
43AQI
20th April 2025
37AQI
37AQI
21st April 2025
32AQI
32AQI
22nd April 2025
32AQI
32AQI
23rd April 2025
22AQI
22AQI
24th April 2025
23AQI
23AQI
25th April 2025
26AQI
26AQI
26th April 2025
31AQI
31AQI
27th April 2025
29AQI
29AQI
28th April 2025
33AQI
33AQI
29th April 2025
24AQI
24AQI
30th April 2025
27AQI
27AQI
1st May 2025
26AQI
26AQI
2nd May 2025
23AQI
23AQI
3rd May 2025
23AQI
23AQI
4th May 2025
28AQI
28AQI
5th May 2025
27AQI
27AQI
6th May 2025
26AQI
26AQI
7th May 2025
24AQI
24AQI
8th May 2025
28AQI
28AQI
9th May 2025
25AQI
25AQI
10th May 2025
22AQI
22AQI
11th May 2025
22AQI
22AQI
12th May 2025
24AQI
24AQI
13th May 2025
27AQI
27AQI
14th May 2025
29AQI
29AQI
15th May 2025
29AQI
29AQI
16th May 2025
34AQI
34AQI
17th May 2025
27AQI
27AQI
18th May 2025
31AQI
31AQI
19th May 2025
34AQI
34AQI
20th May 2025
46AQI
46AQI
21st May 2025
47AQI
47AQI
22nd May 2025
40AQI
40AQI
23rd May 2025
37AQI
37AQI
24th May 2025
33AQI
33AQI
25th May 2025
25AQI
25AQI
26th May 2025
25AQI
25AQI
27th May 2025
24AQI
24AQI
28th May 2025
24AQI
24AQI
29th May 2025
27AQI
27AQI
30th May 2025
21AQI
21AQI
31st May 2025
19AQI
19AQI
1st June 2025
20AQI
20AQI
2nd June 2025
25AQI
25AQI
3rd June 2025
23AQI
23AQI
4th June 2025
26AQI
26AQI
5th June 2025
28AQI
28AQI
6th June 2025
31AQI
31AQI
7th June 2025
36AQI
36AQI
8th June 2025
39AQI
39AQI
9th June 2025
36AQI
36AQI
10th June 2025
31AQI
31AQI
11th June 2025
27AQI
27AQI
12th June 2025
31AQI
31AQI
13th June 2025
32AQI
32AQI
14th June 2025
28AQI
28AQI
15th June 2025
27AQI
27AQI
16th June 2025
34AQI
34AQI
17th June 2025
41AQI
41AQI
18th June 2025
49AQI
49AQI
19th June 2025
52AQI
52AQI
20th June 2025
52AQI
52AQI
21st June 2025
47AQI
47AQI
22nd June 2025
35AQI
35AQI
23rd June 2025
32AQI
32AQI
24th June 2025
32AQI
32AQI
25th June 2025
30AQI
30AQI
26th June 2025
31AQI
31AQI
27th June 2025
39AQI
39AQI
28th June 2025
39AQI
39AQI
29th June 2025
41AQI
41AQI
30th June 2025
44AQI
44AQI
1st July 2025
44AQI
44AQI
2nd July 2025
48AQI
48AQI
3rd July 2025
49AQI
49AQI
4th July 2025
52AQI
52AQI
5th July 2025
55AQI
55AQI
6th July 2025
60AQI
60AQI
7th July 2025
66AQI
66AQI
8th July 2025
71AQI
71AQI
9th July 2025
78AQI
78AQI
10th July 2025
68AQI
68AQI
11th July 2025
52AQI
52AQI
12th July 2025
50AQI
50AQI
13th July 2025
53AQI
53AQI
14th July 2025
45AQI
45AQI
15th July 2025
38AQI
38AQI
16th July 2025
44AQI
44AQI
17th July 2025
37AQI
37AQI
18th July 2025
38AQI
38AQI
19th July 2025
37AQI
37AQI
20th July 2025
37AQI
37AQI
21st July 2025
43AQI
43AQI
22nd July 2025
41AQI
41AQI
23rd July 2025
43AQI
43AQI
24th July 2025
46AQI
46AQI
25th July 2025
44AQI
44AQI
26th July 2025
41AQI
41AQI
27th July 2025
43AQI
43AQI
28th July 2025
47AQI
47AQI
29th July 2025
48AQI
48AQI
30th July 2025
47AQI
47AQI
31st July 2025
44AQI
44AQI
1st August 2025
37AQI
37AQI
2nd August 2025
42AQI
42AQI
3rd August 2025
47AQI
47AQI
4th August 2025
56AQI
56AQI
45AQI
42AQI
46AQI
29AQI
28AQI
35AQI
49AQI
46AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202539AQI
26
5
26
2
22
9
30
31
28
2
22
9
3
1
188
28
Highest AQI recorded in
July49AQI
Lowest AQI recorded in
May28AQI
202447AQI
22
9
23
6
21
10
12
18
17
14
22
8
13
18
10
21
15
15
29
2
29
1
26
5
239
127
Highest AQI recorded in
August56AQI
Lowest AQI recorded in
October38AQI
202350AQI
26
3
2
27
1
23
8
16
14
20
11
19
11
6
25
13
18
10
20
16
15
17
12
19
12
212
150
2
Highest AQI recorded in
July60AQI
Lowest AQI recorded in
February43AQI
202246AQI
25
6
19
23
8
17
13
13
18
15
15
17
8
1
1
20
9
24
7
23
7
29
2
226
94
Highest AQI recorded in
August54AQI
Lowest AQI recorded in
February39AQI
202141AQI
25
6
25
3
29
2
20
2
24
7
19
11
17
14
22
9
23
7
28
3
25
5
24
7
281
76
Highest AQI recorded in
June48AQI
Lowest AQI recorded in
March33AQI
202040AQI
12
1
18
3
18
22
8
29
2
13
16
2
19
27
4
21
9
26
5
205
48
2
Highest AQI recorded in
August58AQI
Lowest AQI recorded in
September29AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
50AQILeast Polluted Year Recorded
2025(Avg.)
39AQIKofu's annual 2025 AQI (39) shows an average percentage change of -11.5% (improved AQI) compared to previous years: 2020 (40), 2021 (41), 2022 (46), 2023 (50), 2024 (47).
