Asahikawa, Yokotemachi, Akita, 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
Asahikawa, Yokotemachi, Akita, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
7th Aug 2021
118AQILowest AQI recorded on
13th Aug 2023
17AQISame Day Analysis (6th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 38 of Good air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 7th Aug - 8th Aug 2025
Asahikawa, Yokotemachi, Akita, Japan
AQI
Day
Night
.
4 AM7th Aug 2025
6 PM
3 AM8th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
2AM8th Aug
42AQI
Avg. Lowest Time
3PM7th Aug
19AQI
In the last 24 hours,
Asahikawa's AQI reached its highest point of 42 at 2 AM during the Night, while the lowest point, 19, was recorded at 3 PM during the Night between 7th Aug and 8th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Asahikawa, Yokotemachi, Akita, 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 2025564 AMAQI
9th Jul 2025565 AMAQI
9th Jul 2025566 AMAQI
9th Jul 2025567 AMAQI
9th Jul 2025568 AMAQI
9th Jul 2025569 AMAQI
9th Jul 20255910 AMAQI
9th Jul 20256411 AMAQI
9th Jul 20256212 PMAQI
9th Jul 2025631 PMAQI
9th Jul 2025602 PMAQI
9th Jul 2025533 PMAQI
9th Jul 2025524 PMAQI
9th Jul 2025525 PMAQI
9th Jul 2025486 PMAQI
9th Jul 2025527 PMAQI
9th Jul 2025498 PMAQI
9th Jul 2025539 PMAQI
9th Jul 20255210 PMAQI
9th Jul 20255211 PMAQI
10th Jul 20255312 AMAQI
10th Jul 2025551 AMAQI
10th Jul 2025562 AMAQI
10th Jul 2025563 AMAQI
25°C20/31°C
10th Jul 2025574 AMAQI
10th Jul 2025565 AMAQI
10th Jul 2025566 AMAQI
10th Jul 2025577 AMAQI
10th Jul 2025578 AMAQI
10th Jul 2025439 AMAQI
10th Jul 20254010 AMAQI
10th Jul 20255111 AMAQI
10th Jul 20254812 PMAQI
10th Jul 2025471 PMAQI
10th Jul 2025462 PMAQI
10th Jul 2025393 PMAQI
10th Jul 2025404 PMAQI
10th Jul 2025415 PMAQI
10th Jul 2025406 PMAQI
10th Jul 2025387 PMAQI
10th Jul 2025478 PMAQI
10th Jul 2025529 PMAQI
10th Jul 20255210 PMAQI
10th Jul 20255211 PMAQI
11th Jul 20255212 AMAQI
11th Jul 2025531 AMAQI
11th Jul 2025572 AMAQI
11th Jul 2025563 AMAQI
23°C18/31°C
11th Jul 2025554 AMAQI
11th Jul 2025555 AMAQI
11th Jul 2025546 AMAQI
11th Jul 2025557 AMAQI
11th Jul 2025558 AMAQI
11th Jul 2025339 AMAQI
11th Jul 20252410 AMAQI
11th Jul 20252311 AMAQI
11th Jul 20252512 PMAQI
11th Jul 2025321 PMAQI
11th Jul 2025382 PMAQI
11th Jul 2025343 PMAQI
11th Jul 2025344 PMAQI
11th Jul 2025345 PMAQI
11th Jul 2025376 PMAQI
11th Jul 2025367 PMAQI
11th Jul 2025458 PMAQI
11th Jul 2025529 PMAQI
11th Jul 20255210 PMAQI
11th Jul 20255111 PMAQI
12th Jul 20254812 AMAQI
12th Jul 2025481 AMAQI
12th Jul 2025552 AMAQI
12th Jul 2025553 AMAQI
20°C14/25°C
12th Jul 2025544 AMAQI
12th Jul 2025535 AMAQI
12th Jul 2025526 AMAQI
12th Jul 2025537 AMAQI
12th Jul 2025538 AMAQI
12th Jul 2025309 AMAQI
12th Jul 20252410 AMAQI
12th Jul 20252311 AMAQI
12th Jul 20252312 PMAQI
12th Jul 2025301 PMAQI
12th Jul 2025332 PMAQI
12th Jul 2025293 PMAQI
12th Jul 2025304 PMAQI
12th Jul 2025305 PMAQI
12th Jul 2025326 PMAQI
12th Jul 2025337 PMAQI
12th Jul 2025378 PMAQI
12th Jul 2025479 PMAQI
12th Jul 20254410 PMAQI
12th Jul 20254511 PMAQI
13th Jul 20254412 AMAQI
13th Jul 2025471 AMAQI
13th Jul 2025532 AMAQI
13th Jul 2025533 AMAQI
19°C12/27°C
13th Jul 2025524 AMAQI
13th Jul 2025525 AMAQI
13th Jul 2025526 AMAQI
13th Jul 2025527 AMAQI
13th Jul 2025528 AMAQI
13th Jul 2025419 AMAQI
13th Jul 20253010 AMAQI
13th Jul 20252611 AMAQI
13th Jul 20252812 PMAQI
13th Jul 2025361 PMAQI
13th Jul 2025342 PMAQI
13th Jul 2025383 PMAQI
13th Jul 2025384 PMAQI
13th Jul 2025395 PMAQI
13th Jul 2025426 PMAQI
13th Jul 2025437 PMAQI
13th Jul 2025448 PMAQI
13th Jul 2025479 PMAQI
13th Jul 20255110 PMAQI
13th Jul 20255111 PMAQI
14th Jul 20255012 AMAQI
14th Jul 2025501 AMAQI
14th Jul 2025522 AMAQI
14th Jul 2025513 AMAQI
21°C13/29°C
14th Jul 2025514 AMAQI
14th Jul 2025495 AMAQI
14th Jul 2025496 AMAQI
14th Jul 2025507 AMAQI
14th Jul 2025508 AMAQI
14th Jul 2025329 AMAQI
14th Jul 20252210 AMAQI
14th Jul 20252311 AMAQI
14th Jul 20252312 PMAQI
14th Jul 2025251 PMAQI
14th Jul 2025322 PMAQI
14th Jul 2025333 PMAQI
14th Jul 2025264 PMAQI
14th Jul 2025215 PMAQI
14th Jul 2025226 PMAQI
14th Jul 2025237 PMAQI
14th Jul 2025268 PMAQI
14th Jul 2025369 PMAQI
14th Jul 20254210 PMAQI
14th Jul 20254011 PMAQI
15th Jul 20253912 AMAQI
15th Jul 2025431 AMAQI
15th Jul 2025522 AMAQI
15th Jul 2025513 AMAQI
23°C18/27°C
15th Jul 2025504 AMAQI
15th Jul 2025485 AMAQI
15th Jul 2025486 AMAQI
15th Jul 2025497 AMAQI
15th Jul 2025498 AMAQI
15th Jul 2025259 AMAQI
15th Jul 20251910 AMAQI
15th Jul 20251711 AMAQI
15th Jul 20251812 PMAQI
15th Jul 2025231 PMAQI
15th Jul 2025242 PMAQI
15th Jul 2025243 PMAQI
15th Jul 2025234 PMAQI
15th Jul 2025275 PMAQI
15th Jul 2025266 PMAQI
15th Jul 2025247 PMAQI
15th Jul 2025298 PMAQI
15th Jul 2025369 PMAQI
15th Jul 20253610 PMAQI
15th Jul 20253811 PMAQI
16th Jul 20253812 AMAQI
16th Jul 2025411 AMAQI
16th Jul 2025492 AMAQI
16th Jul 2025493 AMAQI
23°C20/26°C
16th Jul 2025484 AMAQI
16th Jul 2025455 AMAQI
16th Jul 2025446 AMAQI
16th Jul 2025447 AMAQI
16th Jul 2025448 AMAQI
16th Jul 2025249 AMAQI
16th Jul 20252010 AMAQI
16th Jul 20252111 AMAQI
16th Jul 20252612 PMAQI
16th Jul 2025381 PMAQI
16th Jul 2025422 PMAQI
16th Jul 2025413 PMAQI
16th Jul 2025404 PMAQI
16th Jul 2025485 PMAQI
16th Jul 2025526 PMAQI
16th Jul 2025537 PMAQI
16th Jul 2025548 PMAQI
16th Jul 2025509 PMAQI
16th Jul 20255210 PMAQI
16th Jul 20255111 PMAQI
17th Jul 20255012 AMAQI
17th Jul 2025451 AMAQI
17th Jul 2025472 AMAQI
17th Jul 2025463 AMAQI
26°C22/32°C
17th Jul 2025464 AMAQI
17th Jul 2025465 AMAQI
17th Jul 2025456 AMAQI
17th Jul 2025447 AMAQI
17th Jul 2025448 AMAQI
17th Jul 2025329 AMAQI
17th Jul 20253010 AMAQI
17th Jul 20252111 AMAQI
17th Jul 20252312 PMAQI
17th Jul 2025301 PMAQI
17th Jul 2025312 PMAQI
17th Jul 2025313 PMAQI
17th Jul 2025344 PMAQI
17th Jul 2025345 PMAQI
17th Jul 2025386 PMAQI
17th Jul 2025347 PMAQI
17th Jul 2025388 PMAQI
17th Jul 2025429 PMAQI
17th Jul 20254310 PMAQI
17th Jul 20254311 PMAQI
18th Jul 20254412 AMAQI
18th Jul 2025471 AMAQI
18th Jul 2025472 AMAQI
18th Jul 2025483 AMAQI
24°C20/27°C
18th Jul 2025464 AMAQI
18th Jul 2025445 AMAQI
18th Jul 2025446 AMAQI
18th Jul 2025447 AMAQI
18th Jul 2025438 AMAQI
18th Jul 2025369 AMAQI
18th Jul 20253410 AMAQI
18th Jul 20253511 AMAQI
18th Jul 20253512 PMAQI
18th Jul 2025391 PMAQI
18th Jul 2025372 PMAQI
18th Jul 2025403 PMAQI
18th Jul 2025394 PMAQI
18th Jul 2025355 PMAQI
18th Jul 2025326 PMAQI
18th Jul 2025357 PMAQI
18th Jul 2025358 PMAQI
18th Jul 2025429 PMAQI
18th Jul 20254110 PMAQI
18th Jul 20253911 PMAQI
19th Jul 20253912 AMAQI
19th Jul 2025401 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025463 AMAQI
26°C20/32°C
19th Jul 2025444 AMAQI
19th Jul 2025435 AMAQI
19th Jul 2025446 AMAQI
19th Jul 2025447 AMAQI
19th Jul 2025438 AMAQI
19th Jul 2025349 AMAQI
19th Jul 20253210 AMAQI
19th Jul 20253511 AMAQI
19th Jul 20253912 PMAQI
19th Jul 2025381 PMAQI
19th Jul 2025352 PMAQI
19th Jul 2025393 PMAQI
19th Jul 2025394 PMAQI
19th Jul 2025395 PMAQI
19th Jul 2025386 PMAQI
19th Jul 2025387 PMAQI
19th Jul 2025388 PMAQI
19th Jul 2025409 PMAQI
19th Jul 20253910 PMAQI
19th Jul 20253811 PMAQI
20th Jul 20253812 AMAQI
20th Jul 2025411 AMAQI
20th Jul 2025442 AMAQI
20th Jul 2025433 AMAQI
25°C19/33°C
20th Jul 2025434 AMAQI
20th Jul 2025425 AMAQI
20th Jul 2025436 AMAQI
20th Jul 2025427 AMAQI
20th Jul 2025438 AMAQI
20th Jul 2025399 AMAQI
20th Jul 20253610 AMAQI
20th Jul 20253911 AMAQI
20th Jul 20253712 PMAQI
20th Jul 2025361 PMAQI
20th Jul 2025432 PMAQI
20th Jul 2025363 PMAQI
20th Jul 2025384 PMAQI
20th Jul 2025365 PMAQI
20th Jul 2025346 PMAQI
20th Jul 2025347 PMAQI
20th Jul 2025408 PMAQI
20th Jul 2025399 PMAQI
20th Jul 20253810 PMAQI
20th Jul 20253811 PMAQI
21st Jul 20254012 AMAQI
21st Jul 2025411 AMAQI
21st Jul 2025432 AMAQI
21st Jul 2025433 AMAQI
25°C20/32°C
21st Jul 2025434 AMAQI
21st Jul 2025435 AMAQI
21st Jul 2025446 AMAQI
21st Jul 2025437 AMAQI
21st Jul 2025438 AMAQI
21st Jul 2025389 AMAQI
21st Jul 20253710 AMAQI
21st Jul 20253911 AMAQI
21st Jul 20253712 PMAQI
21st Jul 2025381 PMAQI
21st Jul 2025372 PMAQI
21st Jul 2025383 PMAQI
21st Jul 2025364 PMAQI
21st Jul 2025285 PMAQI
21st Jul 2025306 PMAQI
21st Jul 2025317 PMAQI
21st Jul 2025368 PMAQI
21st Jul 2025409 PMAQI
21st Jul 20253810 PMAQI
21st Jul 20253911 PMAQI
22nd Jul 20253612 AMAQI
22nd Jul 2025381 AMAQI
22nd Jul 2025432 AMAQI
22nd Jul 2025443 AMAQI
26°C19/32°C
22nd Jul 2025434 AMAQI
22nd Jul 2025435 AMAQI
22nd Jul 2025426 AMAQI
22nd Jul 2025437 AMAQI
22nd Jul 2025428 AMAQI
22nd Jul 2025349 AMAQI
22nd Jul 20253210 AMAQI
22nd Jul 20253211 AMAQI
22nd Jul 20253112 PMAQI
22nd Jul 2025301 PMAQI
22nd Jul 2025302 PMAQI
22nd Jul 2025343 PMAQI
22nd Jul 2025314 PMAQI
22nd Jul 2025305 PMAQI
22nd Jul 2025326 PMAQI
22nd Jul 2025357 PMAQI
22nd Jul 2025368 PMAQI
22nd Jul 2025409 PMAQI
22nd Jul 20254010 PMAQI
22nd Jul 20254011 PMAQI
23rd Jul 20253912 AMAQI
23rd Jul 2025401 AMAQI
23rd Jul 2025422 AMAQI
23rd Jul 2025433 AMAQI
26°C20/32°C
23rd Jul 2025424 AMAQI
23rd Jul 2025415 AMAQI
23rd Jul 2025426 AMAQI
23rd Jul 2025417 AMAQI
23rd Jul 2025428 AMAQI
23rd Jul 2025369 AMAQI
23rd Jul 20253310 AMAQI
23rd Jul 20252811 AMAQI
23rd Jul 20253612 PMAQI
23rd Jul 2025331 PMAQI
23rd Jul 2025312 PMAQI
23rd Jul 2025403 PMAQI
23rd Jul 2025524 PMAQI
23rd Jul 2025485 PMAQI
23rd Jul 2025356 PMAQI
23rd Jul 2025317 PMAQI
23rd Jul 2025328 PMAQI
23rd Jul 2025399 PMAQI
23rd Jul 20253910 PMAQI
23rd Jul 20253611 PMAQI
24th Jul 20253712 AMAQI
24th Jul 2025381 AMAQI
24th Jul 2025432 AMAQI
24th Jul 2025423 AMAQI
25°C20/30°C
24th Jul 2025424 AMAQI
24th Jul 2025425 AMAQI
24th Jul 2025426 AMAQI
24th Jul 2025417 AMAQI
24th Jul 2025418 AMAQI
24th Jul 2025349 AMAQI
24th Jul 20253410 AMAQI
24th Jul 20253211 AMAQI
24th Jul 20253212 PMAQI
24th Jul 2025331 PMAQI
24th Jul 2025342 PMAQI
24th Jul 2025273 PMAQI
24th Jul 2025244 PMAQI
24th Jul 2025315 PMAQI
24th Jul 2025286 PMAQI
24th Jul 2025267 PMAQI
24th Jul 2025348 PMAQI
24th Jul 2025359 PMAQI
24th Jul 20253810 PMAQI
24th Jul 20253711 PMAQI
25th Jul 20253612 AMAQI
25th Jul 2025381 AMAQI
25th Jul 2025422 AMAQI
25th Jul 2025413 AMAQI
26°C20/32°C
25th Jul 2025414 AMAQI
25th Jul 2025405 AMAQI
25th Jul 2025406 AMAQI
25th Jul 2025407 AMAQI
25th Jul 2025408 AMAQI
25th Jul 2025439 AMAQI
25th Jul 20254210 AMAQI
25th Jul 20254111 AMAQI
25th Jul 20254112 PMAQI
25th Jul 2025391 PMAQI
25th Jul 2025342 PMAQI
25th Jul 2025383 PMAQI
25th Jul 2025374 PMAQI
25th Jul 2025355 PMAQI
25th Jul 2025356 PMAQI
25th Jul 2025347 PMAQI
25th Jul 2025348 PMAQI
25th Jul 2025369 PMAQI
25th Jul 20253910 PMAQI
25th Jul 20253811 PMAQI
26th Jul 20253812 AMAQI
26th Jul 2025381 AMAQI
26th Jul 2025382 AMAQI
26th Jul 2025403 AMAQI
25°C19/32°C
26th Jul 2025404 AMAQI
26th Jul 2025405 AMAQI
26th Jul 2025406 AMAQI
26th Jul 2025407 AMAQI
26th Jul 2025408 AMAQI
26th Jul 2025419 AMAQI
26th Jul 20254110 AMAQI
26th Jul 20254611 AMAQI
26th Jul 20254412 PMAQI
26th Jul 2025381 PMAQI
26th Jul 2025352 PMAQI
26th Jul 2025343 PMAQI
26th Jul 2025314 PMAQI
26th Jul 2025305 PMAQI
26th Jul 2025346 PMAQI
26th Jul 2025377 PMAQI
26th Jul 2025398 PMAQI
26th Jul 2025409 PMAQI
26th Jul 20254110 PMAQI
26th Jul 20253811 PMAQI
27th Jul 20254012 AMAQI
27th Jul 2025381 AMAQI
27th Jul 2025382 AMAQI
27th Jul 2025403 AMAQI
24°C19/30°C
27th Jul 2025404 AMAQI
27th Jul 2025405 AMAQI
27th Jul 2025416 AMAQI
27th Jul 2025427 AMAQI
27th Jul 2025418 AMAQI
27th Jul 2025429 AMAQI
27th Jul 20254410 AMAQI
27th Jul 20254611 AMAQI
27th Jul 20254812 PMAQI
27th Jul 2025431 PMAQI
27th Jul 2025402 PMAQI
27th Jul 2025393 PMAQI
27th Jul 2025374 PMAQI
27th Jul 2025365 PMAQI
27th Jul 2025396 PMAQI
27th Jul 2025387 PMAQI
27th Jul 2025378 PMAQI
27th Jul 2025379 PMAQI
27th Jul 20253710 PMAQI
27th Jul 20253811 PMAQI
28th Jul 20253812 AMAQI
28th Jul 2025391 AMAQI
28th Jul 2025382 AMAQI
28th Jul 2025403 AMAQI
25°C20/31°C
28th Jul 2025404 AMAQI
28th Jul 2025425 AMAQI
28th Jul 2025426 AMAQI
28th Jul 2025427 AMAQI
28th Jul 2025428 AMAQI
28th Jul 2025339 AMAQI
28th Jul 20253110 AMAQI
28th Jul 20253311 AMAQI
28th Jul 20253512 PMAQI
28th Jul 2025321 PMAQI
28th Jul 2025302 PMAQI
28th Jul 2025253 PMAQI
28th Jul 2025254 PMAQI
28th Jul 2025275 PMAQI
28th Jul 2025286 PMAQI
28th Jul 2025267 PMAQI
28th Jul 2025308 PMAQI
28th Jul 2025389 PMAQI
28th Jul 20253810 PMAQI
28th Jul 20253511 PMAQI
29th Jul 20253712 AMAQI
29th Jul 2025401 AMAQI
29th Jul 2025422 AMAQI
29th Jul 2025423 AMAQI
26°C20/32°C
29th Jul 2025414 AMAQI
29th Jul 2025415 AMAQI
29th Jul 2025406 AMAQI
29th Jul 2025407 AMAQI
29th Jul 2025398 AMAQI
29th Jul 2025299 AMAQI
29th Jul 20253410 AMAQI
29th Jul 20253811 AMAQI
29th Jul 20254012 PMAQI
29th Jul 2025451 PMAQI
29th Jul 2025412 PMAQI
29th Jul 2025353 PMAQI
29th Jul 2025404 PMAQI
29th Jul 2025395 PMAQI
29th Jul 2025346 PMAQI
29th Jul 2025307 PMAQI
29th Jul 2025328 PMAQI
29th Jul 2025369 PMAQI
29th Jul 20253710 PMAQI
29th Jul 20253811 PMAQI
30th Jul 20253612 AMAQI
30th Jul 2025371 AMAQI
30th Jul 2025422 AMAQI
30th Jul 2025433 AMAQI
26°C20/33°C
30th Jul 2025424 AMAQI
30th Jul 2025425 AMAQI
30th Jul 2025426 AMAQI
30th Jul 2025427 AMAQI
30th Jul 2025428 AMAQI
30th Jul 2025369 AMAQI
30th Jul 20253210 AMAQI
30th Jul 20254111 AMAQI
30th Jul 20253812 PMAQI
30th Jul 2025421 PMAQI
30th Jul 2025422 PMAQI
30th Jul 2025423 PMAQI
30th Jul 2025414 PMAQI
30th Jul 2025425 PMAQI
30th Jul 2025426 PMAQI
30th Jul 2025397 PMAQI
30th Jul 2025368 PMAQI
30th Jul 2025379 PMAQI
30th Jul 20253610 PMAQI
30th Jul 20253911 PMAQI
31st Jul 20253812 AMAQI
31st Jul 2025381 AMAQI
31st Jul 2025422 AMAQI
31st Jul 2025423 AMAQI
26°C19/36°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 20253711 AMAQI
31st Jul 20254012 PMAQI
31st Jul 2025381 PMAQI
31st Jul 2025392 PMAQI
31st Jul 2025413 PMAQI
31st Jul 2025384 PMAQI
31st Jul 2025375 PMAQI
31st Jul 2025356 PMAQI
31st Jul 2025357 PMAQI
31st Jul 2025408 PMAQI
31st Jul 2025389 PMAQI
31st Jul 20253610 PMAQI
31st Jul 20253311 PMAQI
1st Aug 20253412 AMAQI
1st Aug 2025381 AMAQI
1st Aug 2025402 AMAQI
1st Aug 2025423 AMAQI
26°C18/35°C
1st Aug 2025424 AMAQI
1st Aug 2025405 AMAQI
1st Aug 2025406 AMAQI
1st Aug 2025407 AMAQI
1st Aug 2025398 AMAQI
1st Aug 2025369 AMAQI
1st Aug 20253610 AMAQI
1st Aug 20253711 AMAQI
1st Aug 20254912 PMAQI
1st Aug 2025411 PMAQI
1st Aug 2025432 PMAQI
1st Aug 2025303 PMAQI
1st Aug 2025364 PMAQI
1st Aug 2025385 PMAQI
1st Aug 2025346 PMAQI
1st Aug 2025317 PMAQI
1st Aug 2025328 PMAQI
1st Aug 2025329 PMAQI
1st Aug 20253510 PMAQI
1st Aug 20253411 PMAQI
2nd Aug 20253112 AMAQI
2nd Aug 2025351 AMAQI
2nd Aug 2025392 AMAQI
2nd Aug 2025403 AMAQI
25°C17/33°C
2nd Aug 2025424 AMAQI
2nd Aug 2025425 AMAQI
2nd Aug 2025426 AMAQI
2nd Aug 2025407 AMAQI
2nd Aug 2025418 AMAQI
2nd Aug 2025359 AMAQI
2nd Aug 20254110 AMAQI
2nd Aug 20254411 AMAQI
2nd Aug 20252712 PMAQI
2nd Aug 2025341 PMAQI
2nd Aug 2025392 PMAQI
2nd Aug 2025463 PMAQI
2nd Aug 2025364 PMAQI
2nd Aug 2025385 PMAQI
2nd Aug 2025476 PMAQI
2nd Aug 2025447 PMAQI
2nd Aug 2025308 PMAQI
2nd Aug 2025329 PMAQI
2nd Aug 20253110 PMAQI
2nd Aug 20253411 PMAQI
3rd Aug 20252912 AMAQI
3rd Aug 2025351 AMAQI
3rd Aug 2025402 AMAQI
3rd Aug 2025393 AMAQI
27°C21/35°C
3rd Aug 2025384 AMAQI
3rd Aug 2025385 AMAQI
3rd Aug 2025386 AMAQI
3rd Aug 2025377 AMAQI
3rd Aug 2025398 AMAQI
3rd Aug 2025329 AMAQI
3rd Aug 20253610 AMAQI
3rd Aug 20254011 AMAQI
3rd Aug 20254912 PMAQI
3rd Aug 2025461 PMAQI
3rd Aug 2025432 PMAQI
3rd Aug 2025403 PMAQI
3rd Aug 2025384 PMAQI
3rd Aug 2025435 PMAQI
3rd Aug 2025396 PMAQI
3rd Aug 2025447 PMAQI
3rd Aug 2025368 PMAQI
3rd Aug 2025349 PMAQI
3rd Aug 20253610 PMAQI
3rd Aug 20253411 PMAQI
4th Aug 20253212 AMAQI
4th Aug 2025361 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025373 AMAQI
27°C20/34°C
4th Aug 2025384 AMAQI
4th Aug 2025395 AMAQI
4th Aug 2025396 AMAQI
4th Aug 2025387 AMAQI
4th Aug 2025408 AMAQI
4th Aug 2025449 AMAQI
4th Aug 20253810 AMAQI
4th Aug 20254611 AMAQI
4th Aug 20255212 PMAQI
4th Aug 2025481 PMAQI
4th Aug 2025522 PMAQI
4th Aug 2025543 PMAQI
4th Aug 2025544 PMAQI
4th Aug 2025445 PMAQI
4th Aug 2025476 PMAQI
4th Aug 2025547 PMAQI
4th Aug 2025528 PMAQI
4th Aug 2025539 PMAQI
4th Aug 20254910 PMAQI
4th Aug 20254611 PMAQI
5th Aug 20254412 AMAQI
5th Aug 2025391 AMAQI
5th Aug 2025392 AMAQI
5th Aug 2025383 AMAQI
27°C21/34°C
5th Aug 2025424 AMAQI
5th Aug 2025425 AMAQI
5th Aug 2025416 AMAQI
5th Aug 2025417 AMAQI
5th Aug 2025428 AMAQI
5th Aug 2025409 AMAQI
5th Aug 20254510 AMAQI
5th Aug 20255411 AMAQI
5th Aug 20254412 PMAQI
5th Aug 2025321 PMAQI
5th Aug 2025342 PMAQI
5th Aug 2025323 PMAQI
5th Aug 2025444 PMAQI
5th Aug 2025355 PMAQI
5th Aug 2025376 PMAQI
5th Aug 2025387 PMAQI
5th Aug 2025418 PMAQI
5th Aug 2025429 PMAQI
5th Aug 20253510 PMAQI
5th Aug 20253611 PMAQI
6th Aug 20253412 AMAQI
6th Aug 2025391 AMAQI
6th Aug 2025422 AMAQI
6th Aug 2025423 AMAQI
25°C22/29°C
6th Aug 2025444 AMAQI
6th Aug 2025425 AMAQI
6th Aug 2025406 AMAQI
6th Aug 2025427 AMAQI
6th Aug 2025438 AMAQI
6th Aug 2025349 AMAQI
6th Aug 20253010 AMAQI
6th Aug 20253011 AMAQI
6th Aug 20253812 PMAQI
6th Aug 2025381 PMAQI
6th Aug 2025332 PMAQI
6th Aug 2025343 PMAQI
6th Aug 2025364 PMAQI
6th Aug 2025435 PMAQI
6th Aug 2025376 PMAQI
6th Aug 2025327 PMAQI
6th Aug 2025328 PMAQI
6th Aug 2025349 PMAQI
6th Aug 20253510 PMAQI
6th Aug 20253411 PMAQI
7th Aug 20253812 AMAQI
7th Aug 2025401 AMAQI
7th Aug 2025422 AMAQI
7th Aug 2025423 AMAQI
24°C21/27°C
7th Aug 2025394 AMAQI
7th Aug 2025415 AMAQI
7th Aug 2025406 AMAQI
7th Aug 2025407 AMAQI
7th Aug 2025408 AMAQI
7th Aug 2025349 AMAQI
7th Aug 20253510 AMAQI
7th Aug 20252611 AMAQI
7th Aug 20252012 PMAQI
7th Aug 2025191 PMAQI
7th Aug 2025232 PMAQI
7th Aug 2025193 PMAQI
7th Aug 2025224 PMAQI
7th Aug 2025245 PMAQI
7th Aug 2025226 PMAQI
7th Aug 2025277 PMAQI
7th Aug 2025308 PMAQI
7th Aug 2025369 PMAQI
7th Aug 20253610 PMAQI
7th Aug 20253411 PMAQI
8th Aug 20253412 AMAQI
8th Aug 2025351 AMAQI
8th Aug 2025422 AMAQI
8th Aug 2025423 AMAQI
--°C/°C
8th Aug 2025424 AMAQI
4 AM11 AM
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
44AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
10 AM
34AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 8 AM (Avg. 44), while the lowest AQI was between 10 AM to 10 AM (Avg. 34).
Night time
Avg. Highest Time
2 AM - 3 AM
45AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
7 PM - 8 PM
37AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 3 AM (Avg. 45), while the lowest AQI was between 7 PM to 8 PM (Avg. 37).
2025 Days Vs Air Quality
Asahikawa, Yokotemachi, Akita, Japan
2025
92%
200
8%
18
Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)
Good
200 DaysModerate
18 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2025, 92% of 219 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Asahikawa, Yokotemachi, Akita, 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
26AQI
26AQI
3rd January 2025
26AQI
26AQI
4th January 2025
26AQI
26AQI
5th January 2025
27AQI
27AQI
6th January 2025
30AQI
30AQI
7th January 2025
29AQI
29AQI
8th January 2025
28AQI
28AQI
9th January 2025
25AQI
25AQI
10th January 2025
23AQI
23AQI
11th January 2025
23AQI
23AQI
12th January 2025
24AQI
24AQI
13th January 2025
24AQI
24AQI
14th January 2025
33AQI
33AQI
15th January 2025
27AQI
27AQI
16th January 2025
26AQI
26AQI
17th January 2025
25AQI
25AQI
18th January 2025
27AQI
27AQI
19th January 2025
29AQI
29AQI
20th January 2025
37AQI
37AQI
21st January 2025
46AQI
46AQI
22nd January 2025
44AQI
44AQI
23rd January 2025
39AQI
39AQI
24th January 2025
41AQI
41AQI
25th January 2025
35AQI
35AQI
26th January 2025
31AQI
31AQI
27th January 2025
30AQI
30AQI
28th January 2025
28AQI
28AQI
29th January 2025
30AQI
30AQI
30th January 2025
30AQI
30AQI
31st January 2025
30AQI
30AQI
1st February 2025
29AQI
29AQI
2nd February 2025
28AQI
28AQI
3rd February 2025
29AQI
29AQI
4th February 2025
30AQI
30AQI
5th February 2025
30AQI
30AQI
6th February 2025
31AQI
31AQI
7th February 2025
34AQI
34AQI
8th February 2025
30AQI
30AQI
9th February 2025
30AQI
30AQI
10th February 2025
30AQI
30AQI
11th February 2025
32AQI
32AQI
12th February 2025
30AQI
30AQI
13th February 2025
31AQI
31AQI
14th February 2025
31AQI
31AQI
15th February 2025
31AQI
31AQI
16th February 2025
34AQI
34AQI
17th February 2025
46AQI
46AQI
18th February 2025
32AQI
32AQI
19th February 2025
35AQI
35AQI
20th February 2025
29AQI
29AQI
21st February 2025
29AQI
29AQI
22nd February 2025
30AQI
30AQI
23rd February 2025
31AQI
31AQI
24th February 2025
29AQI
29AQI
25th February 2025
32AQI
32AQI
26th February 2025
39AQI
39AQI
27th February 2025
35AQI
35AQI
28th February 2025
49AQI
49AQI
1st March 2025
48AQI
48AQI
2nd March 2025
55AQI
55AQI
3rd March 2025
39AQI
39AQI
4th March 2025
39AQI
39AQI
5th March 2025
30AQI
30AQI
6th March 2025
30AQI
30AQI
7th March 2025
32AQI
32AQI
8th March 2025
32AQI
32AQI
9th March 2025
33AQI
33AQI
10th March 2025
36AQI
36AQI
11th March 2025
40AQI
40AQI
12th March 2025
41AQI
41AQI
13th March 2025
50AQI
50AQI
14th March 2025
41AQI
41AQI
15th March 2025
36AQI
36AQI
16th March 2025
26AQI
26AQI
17th March 2025
20AQI
20AQI
18th March 2025
23AQI
23AQI
19th March 2025
21AQI
21AQI
20th March 2025
33AQI
33AQI
21st March 2025
44AQI
44AQI
22nd March 2025
52AQI
52AQI
23rd March 2025
33AQI
33AQI
24th March 2025
39AQI
39AQI
25th March 2025
54AQI
54AQI
26th March 2025
59AQI
59AQI
27th March 2025
62AQI
62AQI
28th March 2025
42AQI
42AQI
29th March 2025
37AQI
37AQI
30th March 2025
32AQI
32AQI
31st March 2025
31AQI
31AQI
1st April 2025
27AQI
27AQI
2nd April 2025
22AQI
22AQI
3rd April 2025
20AQI
20AQI
4th April 2025
20AQI
20AQI
5th April 2025
26AQI
26AQI
6th April 2025
29AQI
29AQI
7th April 2025
25AQI
25AQI
8th April 2025
33AQI
33AQI
9th April 2025
25AQI
25AQI
10th April 2025
34AQI
34AQI
11th April 2025
38AQI
38AQI
12th April 2025
37AQI
37AQI
13th April 2025
28AQI
28AQI
14th April 2025
20AQI
20AQI
15th April 2025
21AQI
21AQI
16th April 2025
28AQI
28AQI
17th April 2025
39AQI
39AQI
18th April 2025
37AQI
37AQI
19th April 2025
47AQI
47AQI
20th April 2025
40AQI
40AQI
21st April 2025
40AQI
40AQI
22nd April 2025
37AQI
37AQI
23rd April 2025
31AQI
31AQI
24th April 2025
25AQI
25AQI
25th April 2025
23AQI
23AQI
26th April 2025
51AQI
51AQI
27th April 2025
44AQI
44AQI
28th April 2025
50AQI
50AQI
29th April 2025
30AQI
30AQI
30th April 2025
25AQI
25AQI
1st May 2025
25AQI
25AQI
2nd May 2025
23AQI
23AQI
3rd May 2025
34AQI
34AQI
4th May 2025
31AQI
31AQI
5th May 2025
30AQI
30AQI
6th May 2025
29AQI
29AQI
7th May 2025
25AQI
25AQI
8th May 2025
33AQI
33AQI
9th May 2025
35AQI
35AQI
10th May 2025
23AQI
23AQI
11th May 2025
27AQI
27AQI
12th May 2025
29AQI
29AQI
13th May 2025
34AQI
34AQI
14th May 2025
39AQI
39AQI
15th May 2025
46AQI
46AQI
16th May 2025
50AQI
50AQI
17th May 2025
38AQI
38AQI
18th May 2025
41AQI
41AQI
19th May 2025
41AQI
41AQI
20th May 2025
52AQI
52AQI
21st May 2025
48AQI
48AQI
22nd May 2025
41AQI
41AQI
23rd May 2025
39AQI
39AQI
24th May 2025
36AQI
36AQI
25th May 2025
24AQI
24AQI
26th May 2025
26AQI
26AQI
27th May 2025
28AQI
28AQI
28th May 2025
32AQI
32AQI
29th May 2025
36AQI
36AQI
30th May 2025
35AQI
35AQI
31st May 2025
25AQI
25AQI
1st June 2025
24AQI
24AQI
2nd June 2025
33AQI
33AQI
3rd June 2025
38AQI
38AQI
4th June 2025
33AQI
33AQI
5th June 2025
36AQI
36AQI
6th June 2025
37AQI
37AQI
7th June 2025
49AQI
49AQI
8th June 2025
54AQI
54AQI
9th June 2025
57AQI
57AQI
10th June 2025
52AQI
52AQI
11th June 2025
47AQI
47AQI
12th June 2025
38AQI
38AQI
13th June 2025
39AQI
39AQI
14th June 2025
41AQI
41AQI
15th June 2025
27AQI
27AQI
16th June 2025
26AQI
26AQI
17th June 2025
32AQI
32AQI
18th June 2025
35AQI
35AQI
19th June 2025
43AQI
43AQI
20th June 2025
45AQI
45AQI
21st June 2025
46AQI
46AQI
22nd June 2025
61AQI
61AQI
23rd June 2025
44AQI
44AQI
24th June 2025
41AQI
41AQI
25th June 2025
45AQI
45AQI
26th June 2025
35AQI
35AQI
27th June 2025
43AQI
43AQI
28th June 2025
36AQI
36AQI
29th June 2025
38AQI
38AQI
30th June 2025
44AQI
44AQI
1st July 2025
47AQI
47AQI
2nd July 2025
49AQI
49AQI
3rd July 2025
60AQI
60AQI
4th July 2025
61AQI
61AQI
5th July 2025
58AQI
58AQI
6th July 2025
56AQI
56AQI
7th July 2025
56AQI
56AQI
8th July 2025
55AQI
55AQI
9th July 2025
55AQI
55AQI
10th July 2025
49AQI
49AQI
11th July 2025
44AQI
44AQI
12th July 2025
41AQI
41AQI
13th July 2025
44AQI
44AQI
14th July 2025
37AQI
37AQI
15th July 2025
35AQI
35AQI
16th July 2025
43AQI
43AQI
17th July 2025
39AQI
39AQI
18th July 2025
40AQI
40AQI
19th July 2025
40AQI
40AQI
20th July 2025
39AQI
39AQI
21st July 2025
38AQI
38AQI
22nd July 2025
37AQI
37AQI
23rd July 2025
38AQI
38AQI
24th July 2025
36AQI
36AQI
25th July 2025
38AQI
38AQI
26th July 2025
39AQI
39AQI
27th July 2025
40AQI
40AQI
28th July 2025
35AQI
35AQI
29th July 2025
38AQI
38AQI
30th July 2025
40AQI
40AQI
31st July 2025
39AQI
39AQI
1st August 2025
37AQI
37AQI
2nd August 2025
38AQI
38AQI
3rd August 2025
38AQI
38AQI
4th August 2025
44AQI
44AQI
5th August 2025
40AQI
40AQI
6th August 2025
38AQI
38AQI
30AQI
32AQI
38AQI
32AQI
34AQI
41AQI
44AQI
39AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202536AQI
31
28
26
5
29
1
30
1
26
4
24
7
6
200
18
Highest AQI recorded in
July44AQI
Lowest AQI recorded in
January30AQI
202434AQI
31
28
1
28
3
18
11
1
27
4
25
5
26
5
31
30
31
29
1
31
335
30
1
Highest AQI recorded in
April47AQI
Lowest AQI recorded in
December26AQI
202338AQI
29
2
26
2
21
10
17
13
25
6
27
3
25
6
31
30
31
24
5
31
317
47
Highest AQI recorded in
April52AQI
Lowest AQI recorded in
September31AQI
202235AQI
31
20
2
28
3
20
10
24
7
27
3
25
3
29
28
3
29
1
31
295
29
Highest AQI recorded in
May45AQI
Lowest AQI recorded in
August21AQI
202151AQI
31
27
1
25
4
13
8
16
15
4
26
5
26
5
22
4
9
21
15
16
23
7
18
13
191
159
4
Highest AQI recorded in
August72AQI
Lowest AQI recorded in
January30AQI
202039AQI
11
2
19
2
14
4
21
9
28
3
13
17
1
12
6
1
31
27
3
30
1
206
47
1
1
Highest AQI recorded in
August55AQI
Lowest AQI recorded in
December26AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
51AQILeast Polluted Year Recorded
2024(Avg.)
34AQIAsahikawa's annual 2025 AQI (36) shows an average percentage change of -6.5% (improved AQI) compared to previous years: 2020 (39), 2021 (51), 2022 (35), 2023 (38), 2024 (34).
