Hokuto, Hokkaido, 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
Hokuto, Hokkaido, Japan
2021
2022
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2021
54AQILowest AQI recorded on
23rd Aug 2022
15AQISame Day Analysis (12th August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 33 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 13th Aug - 14th Aug 2025
Hokuto, Hokkaido, Japan
AQI
Day
Night
.
4 AM13th Aug 2025
6 PM
3 AM14th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
10PM13th Aug
42AQI
Avg. Lowest Time
12PM13th Aug
27AQI
In the last 24 hours,
Hokuto's AQI reached its highest point of 42 at 10 PM during the Night, while the lowest point, 27, was recorded at 12 PM during the Night between 13th Aug and 14th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Hokuto, Hokkaido, Japan
JulAug
15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th
Day
Night
15th Jul 2025524 AMAQI
15th Jul 2025525 AMAQI
15th Jul 2025526 AMAQI
15th Jul 2025527 AMAQI
15th Jul 2025528 AMAQI
15th Jul 2025279 AMAQI
15th Jul 20252110 AMAQI
15th Jul 20252211 AMAQI
15th Jul 20252712 PMAQI
15th Jul 2025301 PMAQI
15th Jul 2025322 PMAQI
15th Jul 2025343 PMAQI
15th Jul 2025384 PMAQI
15th Jul 2025475 PMAQI
15th Jul 2025466 PMAQI
15th Jul 2025407 PMAQI
15th Jul 2025418 PMAQI
15th Jul 2025469 PMAQI
15th Jul 20254410 PMAQI
15th Jul 20254611 PMAQI
16th Jul 20254612 AMAQI
16th Jul 2025481 AMAQI
16th Jul 2025482 AMAQI
16th Jul 2025503 AMAQI
22°C20/25°C
16th Jul 2025494 AMAQI
16th Jul 2025485 AMAQI
16th Jul 2025466 AMAQI
16th Jul 2025467 AMAQI
16th Jul 2025478 AMAQI
16th Jul 2025329 AMAQI
16th Jul 20252710 AMAQI
16th Jul 20253111 AMAQI
16th Jul 20252612 PMAQI
16th Jul 2025341 PMAQI
16th Jul 2025362 PMAQI
16th Jul 2025423 PMAQI
16th Jul 2025404 PMAQI
16th Jul 2025435 PMAQI
16th Jul 2025336 PMAQI
16th Jul 2025427 PMAQI
16th Jul 2025388 PMAQI
16th Jul 2025449 PMAQI
16th Jul 20254410 PMAQI
16th Jul 20254611 PMAQI
17th Jul 20254612 AMAQI
17th Jul 2025461 AMAQI
17th Jul 2025482 AMAQI
17th Jul 2025483 AMAQI
22°C21/25°C
17th Jul 2025474 AMAQI
17th Jul 2025465 AMAQI
17th Jul 2025466 AMAQI
17th Jul 2025447 AMAQI
17th Jul 2025468 AMAQI
17th Jul 2025449 AMAQI
17th Jul 20254810 AMAQI
17th Jul 20254711 AMAQI
17th Jul 20253512 PMAQI
17th Jul 2025321 PMAQI
17th Jul 2025372 PMAQI
17th Jul 2025403 PMAQI
17th Jul 2025484 PMAQI
17th Jul 2025485 PMAQI
17th Jul 2025466 PMAQI
17th Jul 2025487 PMAQI
17th Jul 2025518 PMAQI
17th Jul 2025509 PMAQI
17th Jul 20254910 PMAQI
17th Jul 20255011 PMAQI
18th Jul 20255012 AMAQI
18th Jul 2025481 AMAQI
18th Jul 2025462 AMAQI
18th Jul 2025473 AMAQI
23°C21/25°C
18th Jul 2025454 AMAQI
18th Jul 2025475 AMAQI
18th Jul 2025476 AMAQI
18th Jul 2025527 AMAQI
18th Jul 2025508 AMAQI
18th Jul 2025429 AMAQI
18th Jul 20253910 AMAQI
18th Jul 20253611 AMAQI
18th Jul 20253312 PMAQI
18th Jul 2025401 PMAQI
18th Jul 2025382 PMAQI
18th Jul 2025393 PMAQI
18th Jul 2025434 PMAQI
18th Jul 2025485 PMAQI
18th Jul 2025406 PMAQI
18th Jul 2025337 PMAQI
18th Jul 2025368 PMAQI
18th Jul 2025459 PMAQI
18th Jul 20254710 PMAQI
18th Jul 20255211 PMAQI
19th Jul 20254612 AMAQI
19th Jul 2025471 AMAQI
19th Jul 2025472 AMAQI
19th Jul 2025473 AMAQI
23°C21/26°C
19th Jul 2025484 AMAQI
19th Jul 2025505 AMAQI
19th Jul 2025506 AMAQI
19th Jul 2025527 AMAQI
19th Jul 2025518 AMAQI
19th Jul 2025499 AMAQI
19th Jul 20253610 AMAQI
19th Jul 20254211 AMAQI
19th Jul 20255012 PMAQI
19th Jul 2025521 PMAQI
19th Jul 2025522 PMAQI
19th Jul 2025403 PMAQI
19th Jul 2025324 PMAQI
19th Jul 2025375 PMAQI
19th Jul 2025366 PMAQI
19th Jul 2025397 PMAQI
19th Jul 2025408 PMAQI
19th Jul 2025469 PMAQI
19th Jul 20254410 PMAQI
19th Jul 20254511 PMAQI
20th Jul 20254212 AMAQI
20th Jul 2025431 AMAQI
20th Jul 2025442 AMAQI
20th Jul 2025443 AMAQI
22°C21/25°C
20th Jul 2025444 AMAQI
20th Jul 2025445 AMAQI
20th Jul 2025456 AMAQI
20th Jul 2025477 AMAQI
20th Jul 2025508 AMAQI
20th Jul 2025449 AMAQI
20th Jul 20253410 AMAQI
20th Jul 20253411 AMAQI
20th Jul 20253012 PMAQI
20th Jul 2025331 PMAQI
20th Jul 2025322 PMAQI
20th Jul 2025353 PMAQI
20th Jul 2025334 PMAQI
20th Jul 2025325 PMAQI
20th Jul 2025356 PMAQI
20th Jul 2025337 PMAQI
20th Jul 2025428 PMAQI
20th Jul 2025449 PMAQI
20th Jul 20254410 PMAQI
20th Jul 20254611 PMAQI
21st Jul 20254412 AMAQI
21st Jul 2025441 AMAQI
21st Jul 2025432 AMAQI
21st Jul 2025423 AMAQI
23°C21/25°C
21st Jul 2025424 AMAQI
21st Jul 2025405 AMAQI
21st Jul 2025406 AMAQI
21st Jul 2025427 AMAQI
21st Jul 2025428 AMAQI
21st Jul 2025359 AMAQI
21st Jul 20254010 AMAQI
21st Jul 20254511 AMAQI
21st Jul 20255412 PMAQI
21st Jul 2025561 PMAQI
21st Jul 2025552 PMAQI
21st Jul 2025503 PMAQI
21st Jul 2025514 PMAQI
21st Jul 2025445 PMAQI
21st Jul 2025366 PMAQI
21st Jul 2025327 PMAQI
21st Jul 2025368 PMAQI
21st Jul 2025399 PMAQI
21st Jul 20253810 PMAQI
21st Jul 20253911 PMAQI
22nd Jul 20254012 AMAQI
22nd Jul 2025421 AMAQI
22nd Jul 2025422 AMAQI
22nd Jul 2025433 AMAQI
23°C21/25°C
22nd Jul 2025434 AMAQI
22nd Jul 2025435 AMAQI
22nd Jul 2025436 AMAQI
22nd Jul 2025427 AMAQI
22nd Jul 2025428 AMAQI
22nd Jul 2025429 AMAQI
22nd Jul 20254510 AMAQI
22nd Jul 20255011 AMAQI
22nd Jul 20254012 PMAQI
22nd Jul 2025341 PMAQI
22nd Jul 2025372 PMAQI
22nd Jul 2025373 PMAQI
22nd Jul 2025324 PMAQI
22nd Jul 2025375 PMAQI
22nd Jul 2025396 PMAQI
22nd Jul 2025417 PMAQI
22nd Jul 2025428 PMAQI
22nd Jul 2025439 PMAQI
22nd Jul 20254210 PMAQI
22nd Jul 20254211 PMAQI
23rd Jul 20254312 AMAQI
23rd Jul 2025441 AMAQI
23rd Jul 2025452 AMAQI
23rd Jul 2025443 AMAQI
23°C21/25°C
23rd Jul 2025434 AMAQI
23rd Jul 2025435 AMAQI
23rd Jul 2025446 AMAQI
23rd Jul 2025447 AMAQI
23rd Jul 2025448 AMAQI
23rd Jul 2025399 AMAQI
23rd Jul 20253610 AMAQI
23rd Jul 20253411 AMAQI
23rd Jul 20253612 PMAQI
23rd Jul 2025341 PMAQI
23rd Jul 2025312 PMAQI
23rd Jul 2025303 PMAQI
23rd Jul 2025304 PMAQI
23rd Jul 2025305 PMAQI
23rd Jul 2025296 PMAQI
23rd Jul 2025297 PMAQI
23rd Jul 2025318 PMAQI
23rd Jul 2025369 PMAQI
23rd Jul 20253510 PMAQI
23rd Jul 20253611 PMAQI
24th Jul 20253812 AMAQI
24th Jul 2025401 AMAQI
24th Jul 2025422 AMAQI
24th Jul 2025433 AMAQI
23°C21/27°C
24th Jul 2025434 AMAQI
24th Jul 2025425 AMAQI
24th Jul 2025426 AMAQI
24th Jul 2025427 AMAQI
24th Jul 2025428 AMAQI
24th Jul 2025359 AMAQI
24th Jul 20253010 AMAQI
24th Jul 20253411 AMAQI
24th Jul 20253612 PMAQI
24th Jul 2025371 PMAQI
24th Jul 2025382 PMAQI
24th Jul 2025353 PMAQI
24th Jul 2025344 PMAQI
24th Jul 2025325 PMAQI
24th Jul 2025346 PMAQI
24th Jul 2025357 PMAQI
24th Jul 2025418 PMAQI
24th Jul 2025439 PMAQI
24th Jul 20254210 PMAQI
24th Jul 20254411 PMAQI
25th Jul 20254412 AMAQI
25th Jul 2025451 AMAQI
25th Jul 2025422 AMAQI
25th Jul 2025423 AMAQI
23°C20/26°C
25th Jul 2025414 AMAQI
25th Jul 2025405 AMAQI
25th Jul 2025406 AMAQI
25th Jul 2025407 AMAQI
25th Jul 2025408 AMAQI
25th Jul 2025369 AMAQI
25th Jul 20254010 AMAQI
25th Jul 20254211 AMAQI
25th Jul 20254212 PMAQI
25th Jul 2025501 PMAQI
25th Jul 2025442 PMAQI
25th Jul 2025363 PMAQI
25th Jul 2025324 PMAQI
25th Jul 2025325 PMAQI
25th Jul 2025336 PMAQI
25th Jul 2025327 PMAQI
25th Jul 2025348 PMAQI
25th Jul 2025379 PMAQI
25th Jul 20253910 PMAQI
25th Jul 20254011 PMAQI
26th Jul 20254212 AMAQI
26th Jul 2025421 AMAQI
26th Jul 2025412 AMAQI
26th Jul 2025423 AMAQI
23°C20/26°C
26th Jul 2025414 AMAQI
26th Jul 2025415 AMAQI
26th Jul 2025426 AMAQI
26th Jul 2025437 AMAQI
26th Jul 2025418 AMAQI
26th Jul 2025389 AMAQI
26th Jul 20254110 AMAQI
26th Jul 20253611 AMAQI
26th Jul 20253712 PMAQI
26th Jul 2025381 PMAQI
26th Jul 2025362 PMAQI
26th Jul 2025363 PMAQI
26th Jul 2025394 PMAQI
26th Jul 2025415 PMAQI
26th Jul 2025406 PMAQI
26th Jul 2025427 PMAQI
26th Jul 2025468 PMAQI
26th Jul 2025479 PMAQI
26th Jul 20254510 PMAQI
26th Jul 20254511 PMAQI
27th Jul 20254312 AMAQI
27th Jul 2025421 AMAQI
27th Jul 2025422 AMAQI
27th Jul 2025423 AMAQI
22°C20/24°C
27th Jul 2025424 AMAQI
27th Jul 2025425 AMAQI
27th Jul 2025416 AMAQI
27th Jul 2025437 AMAQI
27th Jul 2025428 AMAQI
27th Jul 2025489 AMAQI
27th Jul 20254810 AMAQI
27th Jul 20254611 AMAQI
27th Jul 20254412 PMAQI
27th Jul 2025431 PMAQI
27th Jul 2025412 PMAQI
27th Jul 2025423 PMAQI
27th Jul 2025364 PMAQI
27th Jul 2025365 PMAQI
27th Jul 2025386 PMAQI
27th Jul 2025387 PMAQI
27th Jul 2025368 PMAQI
27th Jul 2025389 PMAQI
27th Jul 20254110 PMAQI
27th Jul 20253911 PMAQI
28th Jul 20254012 AMAQI
28th Jul 2025421 AMAQI
28th Jul 2025442 AMAQI
28th Jul 2025423 AMAQI
24°C21/27°C
28th Jul 2025414 AMAQI
28th Jul 2025425 AMAQI
28th Jul 2025436 AMAQI
28th Jul 2025427 AMAQI
28th Jul 2025428 AMAQI
28th Jul 2025369 AMAQI
28th Jul 20253210 AMAQI
28th Jul 20253811 AMAQI
28th Jul 20253912 PMAQI
28th Jul 2025371 PMAQI
28th Jul 2025392 PMAQI
28th Jul 2025383 PMAQI
28th Jul 2025364 PMAQI
28th Jul 2025315 PMAQI
28th Jul 2025326 PMAQI
28th Jul 2025307 PMAQI
28th Jul 2025388 PMAQI
28th Jul 2025409 PMAQI
28th Jul 20254010 PMAQI
28th Jul 20253911 PMAQI
29th Jul 20254212 AMAQI
29th Jul 2025411 AMAQI
29th Jul 2025432 AMAQI
29th Jul 2025443 AMAQI
23°C21/26°C
29th Jul 2025424 AMAQI
29th Jul 2025425 AMAQI
29th Jul 2025426 AMAQI
29th Jul 2025427 AMAQI
29th Jul 2025428 AMAQI
29th Jul 2025409 AMAQI
29th Jul 20254110 AMAQI
29th Jul 20254111 AMAQI
29th Jul 20254412 PMAQI
29th Jul 2025451 PMAQI
29th Jul 2025442 PMAQI
29th Jul 2025403 PMAQI
29th Jul 2025394 PMAQI
29th Jul 2025385 PMAQI
29th Jul 2025366 PMAQI
29th Jul 2025387 PMAQI
29th Jul 2025418 PMAQI
29th Jul 2025429 PMAQI
29th Jul 20253910 PMAQI
29th Jul 20253811 PMAQI
30th Jul 20254012 AMAQI
30th Jul 2025431 AMAQI
30th Jul 2025432 AMAQI
30th Jul 2025443 AMAQI
23°C22/26°C
30th Jul 2025434 AMAQI
30th Jul 2025425 AMAQI
30th Jul 2025426 AMAQI
30th Jul 2025427 AMAQI
30th Jul 2025428 AMAQI
30th Jul 2025389 AMAQI
30th Jul 20253410 AMAQI
30th Jul 20254111 AMAQI
30th Jul 20255012 PMAQI
30th Jul 2025461 PMAQI
30th Jul 2025382 PMAQI
30th Jul 2025363 PMAQI
30th Jul 2025334 PMAQI
30th Jul 2025395 PMAQI
30th Jul 2025386 PMAQI
30th Jul 2025347 PMAQI
30th Jul 2025368 PMAQI
30th Jul 2025419 PMAQI
30th Jul 20254010 PMAQI
30th Jul 20254111 PMAQI
31st Jul 20254112 AMAQI
31st Jul 2025431 AMAQI
31st Jul 2025442 AMAQI
31st Jul 2025443 AMAQI
23°C21/25°C
31st Jul 2025434 AMAQI
31st Jul 2025435 AMAQI
31st Jul 2025436 AMAQI
31st Jul 2025437 AMAQI
31st Jul 2025438 AMAQI
31st Jul 2025439 AMAQI
31st Jul 20254310 AMAQI
31st Jul 20254311 AMAQI
31st Jul 20254512 PMAQI
31st Jul 2025411 PMAQI
31st Jul 2025382 PMAQI
31st Jul 2025403 PMAQI
31st Jul 2025404 PMAQI
31st Jul 2025385 PMAQI
31st Jul 2025376 PMAQI
31st Jul 2025357 PMAQI
31st Jul 2025418 PMAQI
31st Jul 2025429 PMAQI
31st Jul 20253710 PMAQI
31st Jul 20253011 PMAQI
1st Aug 20253412 AMAQI
1st Aug 2025441 AMAQI
1st Aug 2025482 AMAQI
1st Aug 2025503 AMAQI
23°C21/25°C
1st Aug 2025504 AMAQI
1st Aug 2025475 AMAQI
1st Aug 2025526 AMAQI
1st Aug 2025527 AMAQI
1st Aug 2025548 AMAQI
1st Aug 2025599 AMAQI
1st Aug 20254910 AMAQI
1st Aug 20254811 AMAQI
1st Aug 20254412 PMAQI
1st Aug 2025411 PMAQI
1st Aug 2025412 PMAQI
1st Aug 2025313 PMAQI
1st Aug 2025364 PMAQI
1st Aug 2025325 PMAQI
1st Aug 2025326 PMAQI
1st Aug 2025257 PMAQI
1st Aug 2025348 PMAQI
1st Aug 2025359 PMAQI
1st Aug 20253610 PMAQI
1st Aug 20253311 PMAQI
2nd Aug 20253212 AMAQI
2nd Aug 2025381 AMAQI
2nd Aug 2025382 AMAQI
2nd Aug 2025403 AMAQI
23°C21/26°C
2nd Aug 2025394 AMAQI
2nd Aug 2025405 AMAQI
2nd Aug 2025416 AMAQI
2nd Aug 2025397 AMAQI
2nd Aug 2025408 AMAQI
2nd Aug 2025349 AMAQI
2nd Aug 20252910 AMAQI
2nd Aug 20253211 AMAQI
2nd Aug 20253212 PMAQI
2nd Aug 2025311 PMAQI
2nd Aug 2025352 PMAQI
2nd Aug 2025323 PMAQI
2nd Aug 2025304 PMAQI
2nd Aug 2025245 PMAQI
2nd Aug 2025346 PMAQI
2nd Aug 2025437 PMAQI
2nd Aug 2025348 PMAQI
2nd Aug 2025379 PMAQI
2nd Aug 20253410 PMAQI
2nd Aug 20253811 PMAQI
3rd Aug 20253112 AMAQI
3rd Aug 2025361 AMAQI
3rd Aug 2025362 AMAQI
3rd Aug 2025383 AMAQI
24°C22/26°C
3rd Aug 2025384 AMAQI
3rd Aug 2025385 AMAQI
3rd Aug 2025376 AMAQI
3rd Aug 2025367 AMAQI
3rd Aug 2025378 AMAQI
3rd Aug 2025359 AMAQI
3rd Aug 20254110 AMAQI
3rd Aug 20254011 AMAQI
3rd Aug 20255212 PMAQI
3rd Aug 2025491 PMAQI
3rd Aug 2025512 PMAQI
3rd Aug 2025413 PMAQI
3rd Aug 2025344 PMAQI
3rd Aug 2025425 PMAQI
3rd Aug 2025446 PMAQI
3rd Aug 2025437 PMAQI
3rd Aug 2025388 PMAQI
3rd Aug 2025339 PMAQI
3rd Aug 20253310 PMAQI
3rd Aug 20253311 PMAQI
4th Aug 20253612 AMAQI
4th Aug 2025361 AMAQI
4th Aug 2025362 AMAQI
4th Aug 2025363 AMAQI
24°C22/26°C
4th Aug 2025374 AMAQI
4th Aug 2025385 AMAQI
4th Aug 2025376 AMAQI
4th Aug 2025387 AMAQI
4th Aug 2025398 AMAQI
4th Aug 2025449 AMAQI
4th Aug 20254210 AMAQI
4th Aug 20254211 AMAQI
4th Aug 20253412 PMAQI
4th Aug 2025391 PMAQI
4th Aug 2025362 PMAQI
4th Aug 2025413 PMAQI
4th Aug 2025314 PMAQI
4th Aug 2025365 PMAQI
4th Aug 2025306 PMAQI
4th Aug 2025447 PMAQI
4th Aug 2025378 PMAQI
4th Aug 2025409 PMAQI
4th Aug 20254110 PMAQI
4th Aug 20253811 PMAQI
5th Aug 20254012 AMAQI
5th Aug 2025381 AMAQI
5th Aug 2025382 AMAQI
5th Aug 2025363 AMAQI
24°C22/26°C
5th Aug 2025424 AMAQI
5th Aug 2025425 AMAQI
5th Aug 2025396 AMAQI
5th Aug 2025417 AMAQI
5th Aug 2025408 AMAQI
5th Aug 2025389 AMAQI
5th Aug 20253910 AMAQI
5th Aug 20253611 AMAQI
5th Aug 20254212 PMAQI
5th Aug 2025481 PMAQI
5th Aug 2025522 PMAQI
5th Aug 2025513 PMAQI
5th Aug 2025584 PMAQI
5th Aug 2025485 PMAQI
5th Aug 2025446 PMAQI
5th Aug 2025407 PMAQI
5th Aug 2025368 PMAQI
5th Aug 2025379 PMAQI
5th Aug 20253410 PMAQI
5th Aug 20253811 PMAQI
6th Aug 20253812 AMAQI
6th Aug 2025421 AMAQI
6th Aug 2025402 AMAQI
6th Aug 2025423 AMAQI
23°C21/25°C
6th Aug 2025424 AMAQI
6th Aug 2025405 AMAQI
6th Aug 2025406 AMAQI
6th Aug 2025397 AMAQI
6th Aug 2025428 AMAQI
6th Aug 2025369 AMAQI
6th Aug 20253410 AMAQI
6th Aug 20253511 AMAQI
6th Aug 20254212 PMAQI
6th Aug 2025321 PMAQI
6th Aug 2025302 PMAQI
6th Aug 2025313 PMAQI
6th Aug 2025344 PMAQI
6th Aug 2025305 PMAQI
6th Aug 2025306 PMAQI
6th Aug 2025267 PMAQI
6th Aug 2025348 PMAQI
6th Aug 2025409 PMAQI
6th Aug 20253810 PMAQI
6th Aug 20254011 PMAQI
7th Aug 20254012 AMAQI
7th Aug 2025411 AMAQI
7th Aug 2025412 AMAQI
7th Aug 2025383 AMAQI
22°C21/25°C
7th Aug 2025384 AMAQI
7th Aug 2025415 AMAQI
7th Aug 2025416 AMAQI
7th Aug 2025427 AMAQI
7th Aug 2025408 AMAQI
7th Aug 2025389 AMAQI
7th Aug 20254010 AMAQI
7th Aug 20252911 AMAQI
7th Aug 20252512 PMAQI
7th Aug 2025271 PMAQI
7th Aug 2025272 PMAQI
7th Aug 2025243 PMAQI
7th Aug 2025284 PMAQI
7th Aug 2025275 PMAQI
7th Aug 2025246 PMAQI
7th Aug 2025247 PMAQI
7th Aug 2025298 PMAQI
7th Aug 2025379 PMAQI
7th Aug 20253410 PMAQI
7th Aug 20253211 PMAQI
8th Aug 20253412 AMAQI
8th Aug 2025371 AMAQI
8th Aug 2025402 AMAQI
8th Aug 2025423 AMAQI
23°C20/25°C
8th Aug 2025404 AMAQI
8th Aug 2025375 AMAQI
8th Aug 2025376 AMAQI
8th Aug 2025387 AMAQI
8th Aug 2025388 AMAQI
8th Aug 2025249 AMAQI
8th Aug 20251810 AMAQI
8th Aug 20251911 AMAQI
8th Aug 20252312 PMAQI
8th Aug 2025261 PMAQI
8th Aug 2025242 PMAQI
8th Aug 2025243 PMAQI
8th Aug 2025244 PMAQI
8th Aug 2025275 PMAQI
8th Aug 2025286 PMAQI
8th Aug 2025287 PMAQI
8th Aug 2025308 PMAQI
8th Aug 2025329 PMAQI
8th Aug 20253310 PMAQI
8th Aug 20253411 PMAQI
9th Aug 20253412 AMAQI
9th Aug 2025341 AMAQI
9th Aug 2025362 AMAQI
9th Aug 2025363 AMAQI
22°C20/26°C
9th Aug 2025374 AMAQI
9th Aug 2025365 AMAQI
9th Aug 2025366 AMAQI
9th Aug 2025367 AMAQI
9th Aug 2025368 AMAQI
9th Aug 2025259 AMAQI
9th Aug 20252210 AMAQI
9th Aug 20252011 AMAQI
9th Aug 20252212 PMAQI
9th Aug 2025241 PMAQI
9th Aug 2025242 PMAQI
9th Aug 2025243 PMAQI
9th Aug 2025254 PMAQI
9th Aug 2025265 PMAQI
9th Aug 2025236 PMAQI
9th Aug 2025227 PMAQI
9th Aug 2025268 PMAQI
9th Aug 2025329 PMAQI
9th Aug 20253210 PMAQI
9th Aug 20253311 PMAQI
10th Aug 20253212 AMAQI
10th Aug 2025351 AMAQI
10th Aug 2025352 AMAQI
10th Aug 2025343 AMAQI
21°C19/24°C
10th Aug 2025354 AMAQI
10th Aug 2025345 AMAQI
10th Aug 2025346 AMAQI
10th Aug 2025347 AMAQI
10th Aug 2025348 AMAQI
10th Aug 2025339 AMAQI
10th Aug 20252910 AMAQI
10th Aug 20253111 AMAQI
10th Aug 20253012 PMAQI
10th Aug 2025321 PMAQI
10th Aug 2025332 PMAQI
10th Aug 2025353 PMAQI
10th Aug 2025334 PMAQI
10th Aug 2025345 PMAQI
10th Aug 2025306 PMAQI
10th Aug 2025317 PMAQI
10th Aug 2025338 PMAQI
10th Aug 2025369 PMAQI
10th Aug 20253610 PMAQI
10th Aug 20253611 PMAQI
11th Aug 20253812 AMAQI
11th Aug 2025381 AMAQI
11th Aug 2025342 AMAQI
11th Aug 2025343 AMAQI
22°C20/25°C
11th Aug 2025344 AMAQI
11th Aug 2025335 AMAQI
11th Aug 2025346 AMAQI
11th Aug 2025337 AMAQI
11th Aug 2025348 AMAQI
11th Aug 2025359 AMAQI
11th Aug 20254310 AMAQI
11th Aug 20254611 AMAQI
11th Aug 20254212 PMAQI
11th Aug 2025451 PMAQI
11th Aug 2025412 PMAQI
11th Aug 2025343 PMAQI
11th Aug 2025354 PMAQI
11th Aug 2025455 PMAQI
11th Aug 2025356 PMAQI
11th Aug 2025367 PMAQI
11th Aug 2025348 PMAQI
11th Aug 2025349 PMAQI
11th Aug 20253610 PMAQI
11th Aug 20253611 PMAQI
12th Aug 20253712 AMAQI
12th Aug 2025341 AMAQI
12th Aug 2025342 AMAQI
12th Aug 2025353 AMAQI
23°C20/26°C
12th Aug 2025334 AMAQI
12th Aug 2025335 AMAQI
12th Aug 2025326 AMAQI
12th Aug 2025327 AMAQI
12th Aug 2025338 AMAQI
12th Aug 2025349 AMAQI
12th Aug 20253010 AMAQI
12th Aug 20253611 AMAQI
12th Aug 20253512 PMAQI
12th Aug 2025391 PMAQI
12th Aug 2025332 PMAQI
12th Aug 2025263 PMAQI
12th Aug 2025324 PMAQI
12th Aug 2025285 PMAQI
12th Aug 2025316 PMAQI
12th Aug 2025307 PMAQI
12th Aug 2025308 PMAQI
12th Aug 2025359 PMAQI
12th Aug 20253010 PMAQI
12th Aug 20253111 PMAQI
13th Aug 20253212 AMAQI
13th Aug 2025331 AMAQI
13th Aug 2025372 AMAQI
13th Aug 2025343 AMAQI
23°C20/25°C
13th Aug 2025344 AMAQI
13th Aug 2025335 AMAQI
13th Aug 2025326 AMAQI
13th Aug 2025327 AMAQI
13th Aug 2025338 AMAQI
13th Aug 2025299 AMAQI
13th Aug 20253110 AMAQI
13th Aug 20252811 AMAQI
13th Aug 20252712 PMAQI
13th Aug 2025301 PMAQI
13th Aug 2025342 PMAQI
13th Aug 2025403 PMAQI
13th Aug 2025344 PMAQI
13th Aug 2025355 PMAQI
13th Aug 2025336 PMAQI
13th Aug 2025337 PMAQI
13th Aug 2025348 PMAQI
13th Aug 2025339 PMAQI
13th Aug 20254210 PMAQI
13th Aug 20253411 PMAQI
14th Aug 20253012 AMAQI
14th Aug 2025321 AMAQI
14th Aug 2025332 AMAQI
14th Aug 2025343 AMAQI
--°C/°C
4 AM
11 AM
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
42AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
3 PM - 6 PM
36AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 8 AM (Avg. 42), while the lowest AQI was between 3 PM to 6 PM (Avg. 36).
Night time
Avg. Highest Time
12 AM - 3 AM
41AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM
35AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 41), while the lowest AQI was between 7 PM to 7 PM (Avg. 35).
2025 Days Vs Air Quality
Hokuto, Hokkaido, Japan
2025
96%
214
4%
10
Total number of days with different AQI categories in last 225 days in 2025 (140 days remaining)
Good
214 DaysModerate
10 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2025, 96% of 225 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
Hokuto, Hokkaido, Japan
AQI levels in 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
1st January 2025
28AQI
28AQI
2nd January 2025
33AQI
33AQI
3rd January 2025
27AQI
27AQI
4th January 2025
25AQI
25AQI
5th January 2025
26AQI
26AQI
6th January 2025
27AQI
27AQI
7th January 2025
34AQI
34AQI
8th January 2025
33AQI
33AQI
9th January 2025
31AQI
31AQI
10th January 2025
29AQI
29AQI
11th January 2025
28AQI
28AQI
12th January 2025
30AQI
30AQI
13th January 2025
28AQI
28AQI
14th January 2025
35AQI
35AQI
15th January 2025
33AQI
33AQI
16th January 2025
26AQI
26AQI
17th January 2025
27AQI
27AQI
18th January 2025
26AQI
26AQI
19th January 2025
27AQI
27AQI
20th January 2025
41AQI
41AQI
21st January 2025
41AQI
41AQI
22nd January 2025
39AQI
39AQI
23rd January 2025
41AQI
41AQI
24th January 2025
37AQI
37AQI
25th January 2025
35AQI
35AQI
26th January 2025
33AQI
33AQI
27th January 2025
55AQI
55AQI
28th January 2025
28AQI
28AQI
29th January 2025
31AQI
31AQI
30th January 2025
28AQI
28AQI
31st January 2025
30AQI
30AQI
1st February 2025
26AQI
26AQI
2nd February 2025
26AQI
26AQI
3rd February 2025
28AQI
28AQI
4th February 2025
28AQI
28AQI
5th February 2025
28AQI
28AQI
6th February 2025
27AQI
27AQI
7th February 2025
28AQI
28AQI
8th February 2025
28AQI
28AQI
9th February 2025
28AQI
28AQI
10th February 2025
26AQI
26AQI
11th February 2025
28AQI
28AQI
12th February 2025
31AQI
31AQI
13th February 2025
41AQI
41AQI
14th February 2025
30AQI
30AQI
15th February 2025
48AQI
48AQI
16th February 2025
35AQI
35AQI
17th February 2025
45AQI
45AQI
18th February 2025
27AQI
27AQI
19th February 2025
31AQI
31AQI
20th February 2025
24AQI
24AQI
21st February 2025
25AQI
25AQI
22nd February 2025
24AQI
24AQI
23rd February 2025
24AQI
24AQI
24th February 2025
24AQI
24AQI
25th February 2025
29AQI
29AQI
26th February 2025
33AQI
33AQI
27th February 2025
35AQI
35AQI
28th February 2025
50AQI
50AQI
1st March 2025
45AQI
45AQI
2nd March 2025
43AQI
43AQI
3rd March 2025
35AQI
35AQI
4th March 2025
32AQI
32AQI
5th March 2025
30AQI
30AQI
6th March 2025
28AQI
28AQI
7th March 2025
30AQI
30AQI
8th March 2025
30AQI
30AQI
9th March 2025
30AQI
30AQI
10th March 2025
36AQI
36AQI
11th March 2025
39AQI
39AQI
12th March 2025
50AQI
50AQI
13th March 2025
46AQI
46AQI
14th March 2025
36AQI
36AQI
15th March 2025
29AQI
29AQI
16th March 2025
23AQI
23AQI
17th March 2025
22AQI
22AQI
18th March 2025
23AQI
23AQI
19th March 2025
23AQI
23AQI
20th March 2025
46AQI
46AQI
21st March 2025
45AQI
45AQI
22nd March 2025
44AQI
44AQI
23rd March 2025
36AQI
36AQI
24th March 2025
35AQI
35AQI
25th March 2025
50AQI
50AQI
26th March 2025
41AQI
41AQI
27th March 2025
41AQI
41AQI
28th March 2025
38AQI
38AQI
29th March 2025
32AQI
32AQI
30th March 2025
31AQI
31AQI
31st March 2025
32AQI
32AQI
1st April 2025
35AQI
35AQI
2nd April 2025
27AQI
27AQI
3rd April 2025
26AQI
26AQI
4th April 2025
24AQI
24AQI
5th April 2025
31AQI
31AQI
6th April 2025
32AQI
32AQI
7th April 2025
28AQI
28AQI
8th April 2025
30AQI
30AQI
9th April 2025
31AQI
31AQI
10th April 2025
46AQI
46AQI
11th April 2025
46AQI
46AQI
12th April 2025
45AQI
45AQI
13th April 2025
33AQI
33AQI
14th April 2025
26AQI
26AQI
15th April 2025
28AQI
28AQI
16th April 2025
24AQI
24AQI
17th April 2025
33AQI
33AQI
18th April 2025
34AQI
34AQI
19th April 2025
37AQI
37AQI
20th April 2025
24AQI
24AQI
21st April 2025
30AQI
30AQI
22nd April 2025
27AQI
27AQI
23rd April 2025
26AQI
26AQI
24th April 2025
26AQI
26AQI
25th April 2025
18AQI
18AQI
26th April 2025
43AQI
43AQI
27th April 2025
27AQI
27AQI
28th April 2025
34AQI
34AQI
29th April 2025
19AQI
19AQI
30th April 2025
22AQI
22AQI
1st May 2025
23AQI
23AQI
2nd May 2025
34AQI
34AQI
3rd May 2025
37AQI
37AQI
4th May 2025
34AQI
34AQI
5th May 2025
34AQI
34AQI
6th May 2025
33AQI
33AQI
7th May 2025
32AQI
32AQI
8th May 2025
37AQI
37AQI
9th May 2025
41AQI
41AQI
10th May 2025
33AQI
33AQI
11th May 2025
32AQI
32AQI
12th May 2025
32AQI
32AQI
13th May 2025
37AQI
37AQI
14th May 2025
48AQI
48AQI
15th May 2025
48AQI
48AQI
16th May 2025
56AQI
56AQI
17th May 2025
47AQI
47AQI
18th May 2025
37AQI
37AQI
19th May 2025
48AQI
48AQI
20th May 2025
47AQI
47AQI
21st May 2025
46AQI
46AQI
22nd May 2025
44AQI
44AQI
23rd May 2025
36AQI
36AQI
24th May 2025
39AQI
39AQI
25th May 2025
24AQI
24AQI
26th May 2025
28AQI
28AQI
27th May 2025
30AQI
30AQI
28th May 2025
38AQI
38AQI
29th May 2025
37AQI
37AQI
30th May 2025
39AQI
39AQI
31st May 2025
37AQI
37AQI
1st June 2025
33AQI
33AQI
2nd June 2025
38AQI
38AQI
3rd June 2025
38AQI
38AQI
4th June 2025
31AQI
31AQI
5th June 2025
29AQI
29AQI
6th June 2025
32AQI
32AQI
7th June 2025
43AQI
43AQI
8th June 2025
43AQI
43AQI
9th June 2025
47AQI
47AQI
10th June 2025
54AQI
54AQI
11th June 2025
45AQI
45AQI
12th June 2025
39AQI
39AQI
13th June 2025
39AQI
39AQI
14th June 2025
44AQI
44AQI
15th June 2025
38AQI
38AQI
16th June 2025
33AQI
33AQI
17th June 2025
35AQI
35AQI
18th June 2025
41AQI
41AQI
19th June 2025
44AQI
44AQI
20th June 2025
46AQI
46AQI
21st June 2025
47AQI
47AQI
22nd June 2025
53AQI
53AQI
23rd June 2025
45AQI
45AQI
24th June 2025
45AQI
45AQI
25th June 2025
48AQI
48AQI
26th June 2025
43AQI
43AQI
27th June 2025
36AQI
36AQI
28th June 2025
38AQI
38AQI
29th June 2025
40AQI
40AQI
30th June 2025
43AQI
43AQI
1st July 2025
46AQI
46AQI
2nd July 2025
49AQI
49AQI
3rd July 2025
52AQI
52AQI
4th July 2025
55AQI
55AQI
5th July 2025
50AQI
50AQI
6th July 2025
52AQI
52AQI
7th July 2025
53AQI
53AQI
8th July 2025
51AQI
51AQI
9th July 2025
53AQI
53AQI
10th July 2025
48AQI
48AQI
11th July 2025
45AQI
45AQI
12th July 2025
46AQI
46AQI
13th July 2025
48AQI
48AQI
14th July 2025
44AQI
44AQI
15th July 2025
43AQI
43AQI
16th July 2025
42AQI
42AQI
17th July 2025
46AQI
46AQI
18th July 2025
44AQI
44AQI
19th July 2025
45AQI
45AQI
20th July 2025
40AQI
40AQI
21st July 2025
42AQI
42AQI
22nd July 2025
41AQI
41AQI
23rd July 2025
37AQI
37AQI
24th July 2025
39AQI
39AQI
25th July 2025
39AQI
39AQI
26th July 2025
41AQI
41AQI
27th July 2025
41AQI
41AQI
28th July 2025
38AQI
38AQI
29th July 2025
41AQI
41AQI
30th July 2025
40AQI
40AQI
31st July 2025
41AQI
41AQI
1st August 2025
41AQI
41AQI
2nd August 2025
35AQI
35AQI
3rd August 2025
39AQI
39AQI
4th August 2025
38AQI
38AQI
5th August 2025
41AQI
41AQI
6th August 2025
37AQI
37AQI
7th August 2025
34AQI
34AQI
8th August 2025
31AQI
31AQI
9th August 2025
30AQI
30AQI
10th August 2025
33AQI
33AQI
11th August 2025
37AQI
37AQI
12th August 2025
33AQI
33AQI
32AQI
31AQI
36AQI
30AQI
38AQI
41AQI
45AQI
36AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202536AQI
30
1
28
31
30
30
1
28
2
25
6
12
214
10
Highest AQI recorded in
July45AQI
Lowest AQI recorded in
April30AQI
202434AQI
15
1
2
3
1
2
1
12
29
1
23
8
31
29
31
30
31
238
12
Highest AQI recorded in
March46AQI
Lowest AQI recorded in
December25AQI
202336AQI
3
30
1
33
1
Highest AQI recorded in
December36AQI
Lowest AQI recorded in
November35AQI
202232AQI
31
20
3
30
1
23
7
27
4
29
1
25
3
23
14
225
16
Highest AQI recorded in
April37AQI
Lowest AQI recorded in
January27AQI
202130AQI
28
3
27
1
28
3
29
1
29
2
29
1
30
1
29
2
30
31
29
1
31
350
15
Highest AQI recorded in
March34AQI
Lowest AQI recorded in
October26AQI
202026AQI
13
20
1
18
30
31
29
2
19
31
28
30
1
249
4
Highest AQI recorded in
August33AQI
Lowest AQI recorded in
November22AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
36AQILeast Polluted Year Recorded
2020(Avg.)
26AQIHokuto's annual 2025 AQI (36) shows an average percentage change of 15.3% (worsened AQI) compared to previous years: 2020 (26), 2021 (30), 2022 (32), 2023 (36), 2024 (34).
