Kunisakimachi Tsurugawa, Oita, 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+
September Air Quality Analysis
Kunisakimachi Tsurugawa, Oita, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
20th Sep 2023
66AQILowest AQI recorded on
5th Sep 2022
19AQISame Day Analysis (21st September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 27 of Good air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 21st Sep - 22nd Sep 2025
Kunisakimachi Tsurugawa, Oita, Japan
AQI
Day
Night
.
5 AM21st Sep 2025
6 PM
4 AM22nd Sep 2025
Day time
Avg. Highest Time
6AM21st Sep
33AQI
Avg. Lowest Time
3PM21st Sep
16AQI
Night time
Avg. Highest Time
5AM21st Sep
32AQI
Avg. Lowest Time
7PM21st Sep
21AQI
In the last 24 hours,
Kunisakimachi Tsurugawa's AQI reached its highest point of 33 at 6 AM during the Day, while the lowest point, 16, was recorded at 3 PM during the Day between 21st Sep and 22nd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Kunisakimachi Tsurugawa, Oita, Japan
AugSep
23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd
Day
Night
23rd Aug 2025455 AMAQI
23rd Aug 2025446 AMAQI
23rd Aug 2025447 AMAQI
23rd Aug 2025448 AMAQI
23rd Aug 2025469 AMAQI
23rd Aug 20254810 AMAQI
23rd Aug 20254211 AMAQI
23rd Aug 20254812 PMAQI
23rd Aug 2025401 PMAQI
23rd Aug 2025402 PMAQI
23rd Aug 2025373 PMAQI
23rd Aug 2025424 PMAQI
23rd Aug 2025385 PMAQI
23rd Aug 2025426 PMAQI
23rd Aug 2025457 PMAQI
23rd Aug 2025468 PMAQI
23rd Aug 2025499 PMAQI
23rd Aug 20254610 PMAQI
23rd Aug 20254411 PMAQI
24th Aug 20254412 AMAQI
24th Aug 2025461 AMAQI
24th Aug 2025442 AMAQI
24th Aug 2025463 AMAQI
24th Aug 2025464 AMAQI
28°C25/32°C
24th Aug 2025465 AMAQI
24th Aug 2025486 AMAQI
24th Aug 2025467 AMAQI
24th Aug 2025478 AMAQI
24th Aug 2025429 AMAQI
24th Aug 20253010 AMAQI
24th Aug 20253611 AMAQI
24th Aug 20253812 PMAQI
24th Aug 2025391 PMAQI
24th Aug 2025432 PMAQI
24th Aug 2025393 PMAQI
24th Aug 2025484 PMAQI
24th Aug 2025415 PMAQI
24th Aug 2025456 PMAQI
24th Aug 2025407 PMAQI
24th Aug 2025388 PMAQI
24th Aug 2025399 PMAQI
24th Aug 20254310 PMAQI
24th Aug 20254211 PMAQI
25th Aug 20254112 AMAQI
25th Aug 2025461 AMAQI
25th Aug 2025442 AMAQI
25th Aug 2025453 AMAQI
25th Aug 2025444 AMAQI
27°C26/30°C
25th Aug 2025445 AMAQI
25th Aug 2025466 AMAQI
25th Aug 2025457 AMAQI
25th Aug 2025448 AMAQI
25th Aug 2025349 AMAQI
25th Aug 20252910 AMAQI
25th Aug 20253511 AMAQI
25th Aug 20253612 PMAQI
25th Aug 2025421 PMAQI
25th Aug 2025352 PMAQI
25th Aug 2025453 PMAQI
25th Aug 2025444 PMAQI
25th Aug 2025435 PMAQI
25th Aug 2025486 PMAQI
25th Aug 2025567 PMAQI
25th Aug 2025528 PMAQI
25th Aug 2025489 PMAQI
25th Aug 20254910 PMAQI
25th Aug 20254811 PMAQI
26th Aug 20254312 AMAQI
26th Aug 2025441 AMAQI
26th Aug 2025452 AMAQI
26th Aug 2025463 AMAQI
26th Aug 2025444 AMAQI
27°C25/29°C
26th Aug 2025445 AMAQI
26th Aug 2025456 AMAQI
26th Aug 2025447 AMAQI
26th Aug 2025438 AMAQI
26th Aug 2025219 AMAQI
26th Aug 20252410 AMAQI
26th Aug 20253211 AMAQI
26th Aug 20254212 PMAQI
26th Aug 2025411 PMAQI
26th Aug 2025412 PMAQI
26th Aug 2025523 PMAQI
26th Aug 2025524 PMAQI
26th Aug 2025475 PMAQI
26th Aug 2025396 PMAQI
26th Aug 2025517 PMAQI
26th Aug 2025518 PMAQI
26th Aug 2025489 PMAQI
26th Aug 20254810 PMAQI
26th Aug 20254511 PMAQI
27th Aug 20254412 AMAQI
27th Aug 2025441 AMAQI
27th Aug 2025432 AMAQI
27th Aug 2025443 AMAQI
27th Aug 2025434 AMAQI
27°C25/29°C
27th Aug 2025445 AMAQI
27th Aug 2025436 AMAQI
27th Aug 2025427 AMAQI
27th Aug 2025418 AMAQI
27th Aug 2025399 AMAQI
27th Aug 20254710 AMAQI
27th Aug 20254511 AMAQI
27th Aug 20254712 PMAQI
27th Aug 2025421 PMAQI
27th Aug 2025462 PMAQI
27th Aug 2025543 PMAQI
27th Aug 2025554 PMAQI
27th Aug 2025515 PMAQI
27th Aug 2025476 PMAQI
27th Aug 2025477 PMAQI
27th Aug 2025378 PMAQI
27th Aug 2025369 PMAQI
27th Aug 20253810 PMAQI
27th Aug 20254011 PMAQI
28th Aug 20253612 AMAQI
28th Aug 2025461 AMAQI
28th Aug 2025422 AMAQI
28th Aug 2025453 AMAQI
28th Aug 2025444 AMAQI
27°C25/30°C
28th Aug 2025435 AMAQI
28th Aug 2025446 AMAQI
28th Aug 2025457 AMAQI
28th Aug 2025448 AMAQI
28th Aug 2025409 AMAQI
28th Aug 20255010 AMAQI
28th Aug 20254511 AMAQI
28th Aug 20254212 PMAQI
28th Aug 2025491 PMAQI
28th Aug 2025502 PMAQI
28th Aug 2025483 PMAQI
28th Aug 2025544 PMAQI
28th Aug 2025565 PMAQI
28th Aug 2025516 PMAQI
28th Aug 2025547 PMAQI
28th Aug 2025548 PMAQI
28th Aug 2025509 PMAQI
28th Aug 20255010 PMAQI
28th Aug 20254711 PMAQI
29th Aug 20255012 AMAQI
29th Aug 2025441 AMAQI
29th Aug 2025432 AMAQI
29th Aug 2025443 AMAQI
29th Aug 2025444 AMAQI
27°C25/29°C
29th Aug 2025445 AMAQI
29th Aug 2025436 AMAQI
29th Aug 2025447 AMAQI
29th Aug 2025458 AMAQI
29th Aug 2025519 AMAQI
29th Aug 20255010 AMAQI
29th Aug 20255011 AMAQI
29th Aug 20255112 PMAQI
29th Aug 2025541 PMAQI
29th Aug 2025572 PMAQI
29th Aug 2025593 PMAQI
29th Aug 2025564 PMAQI
29th Aug 2025625 PMAQI
29th Aug 2025606 PMAQI
29th Aug 2025587 PMAQI
29th Aug 2025558 PMAQI
29th Aug 2025549 PMAQI
29th Aug 20255410 PMAQI
29th Aug 20255311 PMAQI
30th Aug 20255212 AMAQI
30th Aug 2025491 AMAQI
30th Aug 2025462 AMAQI
30th Aug 2025453 AMAQI
30th Aug 2025464 AMAQI
27°C25/29°C
30th Aug 2025465 AMAQI
30th Aug 2025466 AMAQI
30th Aug 2025467 AMAQI
30th Aug 2025478 AMAQI
30th Aug 2025509 AMAQI
30th Aug 20253510 AMAQI
30th Aug 20255111 AMAQI
30th Aug 20255012 PMAQI
30th Aug 2025551 PMAQI
30th Aug 2025522 PMAQI
30th Aug 2025513 PMAQI
30th Aug 2025564 PMAQI
30th Aug 2025525 PMAQI
30th Aug 2025566 PMAQI
30th Aug 2025567 PMAQI
30th Aug 2025538 PMAQI
30th Aug 2025449 PMAQI
30th Aug 20254410 PMAQI
30th Aug 20254811 PMAQI
31st Aug 20254812 AMAQI
31st Aug 2025491 AMAQI
31st Aug 2025472 AMAQI
31st Aug 2025493 AMAQI
31st Aug 2025474 AMAQI
27°C25/29°C
31st Aug 2025485 AMAQI
31st Aug 2025476 AMAQI
31st Aug 2025467 AMAQI
31st Aug 2025498 AMAQI
31st Aug 2025459 AMAQI
31st Aug 20254910 AMAQI
31st Aug 20255211 AMAQI
31st Aug 20255412 PMAQI
31st Aug 2025401 PMAQI
31st Aug 2025472 PMAQI
31st Aug 2025483 PMAQI
31st Aug 2025364 PMAQI
31st Aug 2025495 PMAQI
31st Aug 2025346 PMAQI
31st Aug 2025367 PMAQI
31st Aug 2025438 PMAQI
31st Aug 2025429 PMAQI
31st Aug 20254210 PMAQI
31st Aug 20254311 PMAQI
1st Sep 20254412 AMAQI
1st Sep 2025441 AMAQI
1st Sep 2025472 AMAQI
1st Sep 2025473 AMAQI
1st Sep 2025494 AMAQI
27°C25/29°C
1st Sep 2025495 AMAQI
1st Sep 2025486 AMAQI
1st Sep 2025497 AMAQI
1st Sep 2025508 AMAQI
1st Sep 2025279 AMAQI
1st Sep 20253010 AMAQI
1st Sep 20252411 AMAQI
1st Sep 20253112 PMAQI
1st Sep 2025431 PMAQI
1st Sep 2025302 PMAQI
1st Sep 2025403 PMAQI
1st Sep 2025344 PMAQI
1st Sep 2025285 PMAQI
1st Sep 2025406 PMAQI
1st Sep 2025347 PMAQI
1st Sep 2025318 PMAQI
1st Sep 2025359 PMAQI
1st Sep 20253610 PMAQI
1st Sep 20253811 PMAQI
2nd Sep 20254212 AMAQI
2nd Sep 2025421 AMAQI
2nd Sep 2025452 AMAQI
2nd Sep 2025443 AMAQI
2nd Sep 2025454 AMAQI
27°C26/30°C
2nd Sep 2025445 AMAQI
2nd Sep 2025446 AMAQI
2nd Sep 2025467 AMAQI
2nd Sep 2025448 AMAQI
2nd Sep 2025309 AMAQI
2nd Sep 20252310 AMAQI
2nd Sep 20252611 AMAQI
2nd Sep 20252412 PMAQI
2nd Sep 2025211 PMAQI
2nd Sep 2025332 PMAQI
2nd Sep 2025303 PMAQI
2nd Sep 2025294 PMAQI
2nd Sep 2025365 PMAQI
2nd Sep 2025346 PMAQI
2nd Sep 2025297 PMAQI
2nd Sep 2025328 PMAQI
2nd Sep 2025359 PMAQI
2nd Sep 20253510 PMAQI
2nd Sep 20253311 PMAQI
3rd Sep 20253712 AMAQI
3rd Sep 2025401 AMAQI
3rd Sep 2025432 AMAQI
3rd Sep 2025443 AMAQI
3rd Sep 2025424 AMAQI
27°C25/30°C
3rd Sep 2025405 AMAQI
3rd Sep 2025426 AMAQI
3rd Sep 2025417 AMAQI
3rd Sep 2025418 AMAQI
3rd Sep 2025269 AMAQI
3rd Sep 20253010 AMAQI
3rd Sep 20253711 AMAQI
3rd Sep 20253612 PMAQI
3rd Sep 2025351 PMAQI
3rd Sep 2025382 PMAQI
3rd Sep 2025303 PMAQI
3rd Sep 2025334 PMAQI
3rd Sep 2025305 PMAQI
3rd Sep 2025376 PMAQI
3rd Sep 2025297 PMAQI
3rd Sep 2025348 PMAQI
3rd Sep 2025359 PMAQI
3rd Sep 20254210 PMAQI
3rd Sep 20253411 PMAQI
4th Sep 20253212 AMAQI
4th Sep 2025381 AMAQI
4th Sep 2025432 AMAQI
4th Sep 2025423 AMAQI
4th Sep 2025404 AMAQI
27°C25/29°C
4th Sep 2025385 AMAQI
4th Sep 2025396 AMAQI
4th Sep 2025397 AMAQI
4th Sep 2025408 AMAQI
4th Sep 2025169 AMAQI
4th Sep 20252210 AMAQI
4th Sep 20251911 AMAQI
4th Sep 20252412 PMAQI
4th Sep 2025221 PMAQI
4th Sep 2025212 PMAQI
4th Sep 2025203 PMAQI
4th Sep 2025194 PMAQI
4th Sep 2025195 PMAQI
4th Sep 2025266 PMAQI
4th Sep 2025337 PMAQI
4th Sep 2025268 PMAQI
4th Sep 2025259 PMAQI
4th Sep 20252110 PMAQI
4th Sep 20252711 PMAQI
5th Sep 20253712 AMAQI
5th Sep 2025381 AMAQI
5th Sep 2025372 AMAQI
5th Sep 2025383 AMAQI
5th Sep 2025354 AMAQI
25°C24/26°C
5th Sep 2025355 AMAQI
5th Sep 2025346 AMAQI
5th Sep 2025357 AMAQI
5th Sep 2025358 AMAQI
5th Sep 2025179 AMAQI
5th Sep 20252610 AMAQI
5th Sep 20251711 AMAQI
5th Sep 20251612 PMAQI
5th Sep 2025201 PMAQI
5th Sep 2025192 PMAQI
5th Sep 2025213 PMAQI
5th Sep 2025254 PMAQI
5th Sep 2025245 PMAQI
5th Sep 2025236 PMAQI
5th Sep 2025267 PMAQI
5th Sep 2025278 PMAQI
5th Sep 2025259 PMAQI
5th Sep 20252410 PMAQI
5th Sep 20252411 PMAQI
6th Sep 20252412 AMAQI
6th Sep 2025231 AMAQI
6th Sep 2025242 AMAQI
6th Sep 2025233 AMAQI
6th Sep 2025244 AMAQI
28°C25/31°C
6th Sep 2025265 AMAQI
6th Sep 2025266 AMAQI
6th Sep 2025257 AMAQI
6th Sep 2025268 AMAQI
6th Sep 2025229 AMAQI
6th Sep 20252610 AMAQI
6th Sep 20253311 AMAQI
6th Sep 20254012 PMAQI
6th Sep 2025421 PMAQI
6th Sep 2025342 PMAQI
6th Sep 2025323 PMAQI
6th Sep 2025324 PMAQI
6th Sep 2025365 PMAQI
6th Sep 2025326 PMAQI
6th Sep 2025327 PMAQI
6th Sep 2025308 PMAQI
6th Sep 2025329 PMAQI
6th Sep 20252910 PMAQI
6th Sep 20252811 PMAQI
7th Sep 20253112 AMAQI
7th Sep 2025261 AMAQI
7th Sep 2025252 AMAQI
7th Sep 2025243 AMAQI
7th Sep 2025254 AMAQI
27°C25/30°C
7th Sep 2025255 AMAQI
7th Sep 2025266 AMAQI
7th Sep 2025267 AMAQI
7th Sep 2025268 AMAQI
7th Sep 2025329 AMAQI
7th Sep 20252810 AMAQI
7th Sep 20253411 AMAQI
7th Sep 20253412 PMAQI
7th Sep 2025361 PMAQI
7th Sep 2025432 PMAQI
7th Sep 2025383 PMAQI
7th Sep 2025404 PMAQI
7th Sep 2025395 PMAQI
7th Sep 2025486 PMAQI
7th Sep 2025507 PMAQI
7th Sep 2025458 PMAQI
7th Sep 2025399 PMAQI
7th Sep 20254610 PMAQI
7th Sep 20254311 PMAQI
8th Sep 20254012 AMAQI
8th Sep 2025371 AMAQI
8th Sep 2025282 AMAQI
8th Sep 2025263 AMAQI
8th Sep 2025264 AMAQI
27°C25/30°C
8th Sep 2025275 AMAQI
8th Sep 2025276 AMAQI
8th Sep 2025287 AMAQI
8th Sep 2025288 AMAQI
8th Sep 2025239 AMAQI
8th Sep 20253710 AMAQI
8th Sep 20253111 AMAQI
8th Sep 20253112 PMAQI
8th Sep 2025321 PMAQI
8th Sep 2025292 PMAQI
8th Sep 2025373 PMAQI
8th Sep 2025344 PMAQI
8th Sep 2025295 PMAQI
8th Sep 2025356 PMAQI
8th Sep 2025317 PMAQI
8th Sep 2025348 PMAQI
8th Sep 2025359 PMAQI
8th Sep 20253110 PMAQI
8th Sep 20253111 PMAQI
9th Sep 20253812 AMAQI
9th Sep 2025331 AMAQI
9th Sep 2025322 AMAQI
9th Sep 2025303 AMAQI
9th Sep 2025294 AMAQI
28°C26/30°C
9th Sep 2025295 AMAQI
9th Sep 2025326 AMAQI
9th Sep 2025307 AMAQI
9th Sep 2025318 AMAQI
9th Sep 2025259 AMAQI
9th Sep 20252610 AMAQI
9th Sep 20252811 AMAQI
9th Sep 20252012 PMAQI
9th Sep 2025281 PMAQI
9th Sep 2025252 PMAQI
9th Sep 2025253 PMAQI
9th Sep 2025284 PMAQI
9th Sep 2025345 PMAQI
9th Sep 2025286 PMAQI
9th Sep 2025367 PMAQI
9th Sep 2025288 PMAQI
9th Sep 2025269 PMAQI
9th Sep 20252710 PMAQI
9th Sep 20253211 PMAQI
10th Sep 20252912 AMAQI
10th Sep 2025291 AMAQI
10th Sep 2025302 AMAQI
10th Sep 2025293 AMAQI
10th Sep 2025304 AMAQI
27°C25/30°C
10th Sep 2025305 AMAQI
10th Sep 2025306 AMAQI
10th Sep 2025307 AMAQI
10th Sep 2025308 AMAQI
10th Sep 2025329 AMAQI
10th Sep 20253910 AMAQI
10th Sep 20253811 AMAQI
10th Sep 20253612 PMAQI
10th Sep 2025311 PMAQI
10th Sep 2025282 PMAQI
10th Sep 2025273 PMAQI
10th Sep 2025234 PMAQI
10th Sep 2025245 PMAQI
10th Sep 2025256 PMAQI
10th Sep 2025237 PMAQI
10th Sep 2025268 PMAQI
10th Sep 2025269 PMAQI
10th Sep 20252610 PMAQI
10th Sep 20252711 PMAQI
11th Sep 20252612 AMAQI
11th Sep 2025321 AMAQI
11th Sep 2025322 AMAQI
11th Sep 2025323 AMAQI
11th Sep 2025314 AMAQI
25°C24/27°C
11th Sep 2025325 AMAQI
11th Sep 2025316 AMAQI
11th Sep 2025327 AMAQI
11th Sep 2025328 AMAQI
11th Sep 2025209 AMAQI
11th Sep 20252610 AMAQI
11th Sep 20252211 AMAQI
11th Sep 20253112 PMAQI
11th Sep 2025301 PMAQI
11th Sep 2025362 PMAQI
11th Sep 2025303 PMAQI
11th Sep 2025254 PMAQI
11th Sep 2025305 PMAQI
11th Sep 2025236 PMAQI
11th Sep 2025277 PMAQI
11th Sep 2025388 PMAQI
11th Sep 2025389 PMAQI
11th Sep 20253210 PMAQI
11th Sep 20253411 PMAQI
12th Sep 20253012 AMAQI
12th Sep 2025301 AMAQI
12th Sep 2025322 AMAQI
12th Sep 2025313 AMAQI
12th Sep 2025314 AMAQI
26°C25/27°C
12th Sep 2025305 AMAQI
12th Sep 2025316 AMAQI
12th Sep 2025307 AMAQI
12th Sep 2025308 AMAQI
12th Sep 2025249 AMAQI
12th Sep 20251910 AMAQI
12th Sep 20252111 AMAQI
12th Sep 20252112 PMAQI
12th Sep 2025231 PMAQI
12th Sep 2025282 PMAQI
12th Sep 2025283 PMAQI
12th Sep 2025274 PMAQI
12th Sep 2025295 PMAQI
12th Sep 2025346 PMAQI
12th Sep 2025277 PMAQI
12th Sep 2025268 PMAQI
12th Sep 2025269 PMAQI
12th Sep 20252510 PMAQI
12th Sep 20252411 PMAQI
13th Sep 20252612 AMAQI
13th Sep 2025311 AMAQI
13th Sep 2025312 AMAQI
13th Sep 2025323 AMAQI
13th Sep 2025314 AMAQI
26°C24/28°C
13th Sep 2025305 AMAQI
13th Sep 2025306 AMAQI
13th Sep 2025317 AMAQI
13th Sep 2025318 AMAQI
13th Sep 2025229 AMAQI
13th Sep 20252510 AMAQI
13th Sep 20253211 AMAQI
13th Sep 20253312 PMAQI
13th Sep 2025391 PMAQI
13th Sep 2025372 PMAQI
13th Sep 2025353 PMAQI
13th Sep 2025334 PMAQI
13th Sep 2025325 PMAQI
13th Sep 2025336 PMAQI
13th Sep 2025337 PMAQI
13th Sep 2025338 PMAQI
13th Sep 2025309 PMAQI
13th Sep 20253010 PMAQI
13th Sep 20252711 PMAQI
14th Sep 20253012 AMAQI
14th Sep 2025291 AMAQI
14th Sep 2025322 AMAQI
14th Sep 2025323 AMAQI
14th Sep 2025324 AMAQI
26°C25/29°C
14th Sep 2025315 AMAQI
14th Sep 2025326 AMAQI
14th Sep 2025327 AMAQI
14th Sep 2025328 AMAQI
14th Sep 2025249 AMAQI
14th Sep 20251710 AMAQI
14th Sep 20252111 AMAQI
14th Sep 20252112 PMAQI
14th Sep 2025201 PMAQI
14th Sep 2025172 PMAQI
14th Sep 2025243 PMAQI
14th Sep 2025224 PMAQI
14th Sep 2025265 PMAQI
14th Sep 2025326 PMAQI
14th Sep 2025297 PMAQI
14th Sep 2025278 PMAQI
14th Sep 2025319 PMAQI
14th Sep 20253010 PMAQI
14th Sep 20252911 PMAQI
15th Sep 20253212 AMAQI
15th Sep 2025311 AMAQI
15th Sep 2025322 AMAQI
15th Sep 2025323 AMAQI
15th Sep 2025314 AMAQI
27°C25/29°C
15th Sep 2025305 AMAQI
15th Sep 2025306 AMAQI
15th Sep 2025307 AMAQI
15th Sep 2025308 AMAQI
15th Sep 2025279 AMAQI
15th Sep 20252010 AMAQI
15th Sep 20253611 AMAQI
15th Sep 20253812 PMAQI
15th Sep 2025401 PMAQI
15th Sep 2025362 PMAQI
15th Sep 2025423 PMAQI
15th Sep 2025514 PMAQI
15th Sep 2025495 PMAQI
15th Sep 2025376 PMAQI
15th Sep 2025247 PMAQI
15th Sep 2025258 PMAQI
15th Sep 2025299 PMAQI
15th Sep 20253210 PMAQI
15th Sep 20253411 PMAQI
16th Sep 20253412 AMAQI
16th Sep 2025381 AMAQI
16th Sep 2025342 AMAQI
16th Sep 2025323 AMAQI
16th Sep 2025324 AMAQI
27°C25/29°C
16th Sep 2025325 AMAQI
16th Sep 2025326 AMAQI
16th Sep 2025327 AMAQI
16th Sep 2025328 AMAQI
16th Sep 2025369 AMAQI
16th Sep 20253810 AMAQI
16th Sep 20254811 AMAQI
16th Sep 20253812 PMAQI
16th Sep 2025521 PMAQI
16th Sep 2025442 PMAQI
16th Sep 2025583 PMAQI
16th Sep 2025514 PMAQI
16th Sep 2025535 PMAQI
16th Sep 2025536 PMAQI
16th Sep 2025527 PMAQI
16th Sep 2025498 PMAQI
16th Sep 2025479 PMAQI
16th Sep 20255110 PMAQI
16th Sep 20254411 PMAQI
17th Sep 20254412 AMAQI
17th Sep 2025381 AMAQI
17th Sep 2025342 AMAQI
17th Sep 2025333 AMAQI
17th Sep 2025344 AMAQI
27°C24/29°C
17th Sep 2025365 AMAQI
17th Sep 2025356 AMAQI
17th Sep 2025367 AMAQI
17th Sep 2025368 AMAQI
17th Sep 2025489 AMAQI
17th Sep 20254110 AMAQI
17th Sep 20254211 AMAQI
17th Sep 20255112 PMAQI
17th Sep 2025521 PMAQI
17th Sep 2025472 PMAQI
17th Sep 2025353 PMAQI
17th Sep 2025344 PMAQI
17th Sep 2025285 PMAQI
17th Sep 2025316 PMAQI
17th Sep 2025327 PMAQI
17th Sep 2025378 PMAQI
17th Sep 2025339 PMAQI
17th Sep 20253310 PMAQI
17th Sep 20252711 PMAQI
18th Sep 20253112 AMAQI
18th Sep 2025341 AMAQI
18th Sep 2025342 AMAQI
18th Sep 2025353 AMAQI
18th Sep 2025364 AMAQI
27°C25/29°C
18th Sep 2025385 AMAQI
18th Sep 2025386 AMAQI
18th Sep 2025397 AMAQI
18th Sep 2025398 AMAQI
18th Sep 2025269 AMAQI
18th Sep 20252910 AMAQI
18th Sep 20252811 AMAQI
18th Sep 20252112 PMAQI
18th Sep 2025211 PMAQI
18th Sep 2025242 PMAQI
18th Sep 2025203 PMAQI
18th Sep 2025234 PMAQI
18th Sep 2025325 PMAQI
18th Sep 2025326 PMAQI
18th Sep 2025287 PMAQI
18th Sep 2025248 PMAQI
18th Sep 2025289 PMAQI
18th Sep 20252910 PMAQI
18th Sep 20252811 PMAQI
19th Sep 20252512 AMAQI
19th Sep 2025281 AMAQI
19th Sep 2025352 AMAQI
19th Sep 2025343 AMAQI
19th Sep 2025344 AMAQI
26°C24/28°C
19th Sep 2025335 AMAQI
19th Sep 2025336 AMAQI
19th Sep 2025347 AMAQI
19th Sep 2025348 AMAQI
19th Sep 2025299 AMAQI
19th Sep 20252410 AMAQI
19th Sep 20252011 AMAQI
19th Sep 20252012 PMAQI
19th Sep 2025211 PMAQI
19th Sep 2025242 PMAQI
19th Sep 2025223 PMAQI
19th Sep 2025234 PMAQI
19th Sep 2025255 PMAQI
19th Sep 2025226 PMAQI
19th Sep 2025217 PMAQI
19th Sep 2025288 PMAQI
19th Sep 2025309 PMAQI
19th Sep 20253210 PMAQI
19th Sep 20253311 PMAQI
20th Sep 20253412 AMAQI
20th Sep 2025351 AMAQI
20th Sep 2025302 AMAQI
20th Sep 2025313 AMAQI
20th Sep 2025314 AMAQI
25°C23/26°C
20th Sep 2025295 AMAQI
20th Sep 2025296 AMAQI
20th Sep 2025297 AMAQI
20th Sep 2025298 AMAQI
20th Sep 2025359 AMAQI
20th Sep 20254010 AMAQI
20th Sep 20253611 AMAQI
20th Sep 20253712 PMAQI
20th Sep 2025431 PMAQI
20th Sep 2025462 PMAQI
20th Sep 2025533 PMAQI
20th Sep 2025504 PMAQI
20th Sep 2025405 PMAQI
20th Sep 2025626 PMAQI
20th Sep 2025467 PMAQI
20th Sep 2025358 PMAQI
20th Sep 2025319 PMAQI
20th Sep 20253410 PMAQI
20th Sep 20252911 PMAQI
21st Sep 20253012 AMAQI
21st Sep 2025281 AMAQI
21st Sep 2025292 AMAQI
21st Sep 2025303 AMAQI
21st Sep 2025324 AMAQI
25°C23/28°C
21st Sep 2025325 AMAQI
21st Sep 2025336 AMAQI
21st Sep 2025337 AMAQI
21st Sep 2025338 AMAQI
21st Sep 2025229 AMAQI
21st Sep 20251810 AMAQI
21st Sep 20252111 AMAQI
21st Sep 20251812 PMAQI
21st Sep 2025201 PMAQI
21st Sep 2025202 PMAQI
21st Sep 2025163 PMAQI
21st Sep 2025194 PMAQI
21st Sep 2025185 PMAQI
21st Sep 2025196 PMAQI
21st Sep 2025217 PMAQI
21st Sep 2025238 PMAQI
21st Sep 2025239 PMAQI
21st Sep 20252210 PMAQI
21st Sep 20252211 PMAQI
22nd Sep 20252512 AMAQI
22nd Sep 2025301 AMAQI
22nd Sep 2025292 AMAQI
22nd Sep 2025293 AMAQI
22nd Sep 2025294 AMAQI
25°C24/27°C
22nd Sep 2025285 AMAQI
5 AM22nd Sep 2025286 AMAQI
22nd Sep 2025287 AMAQI
22nd Sep 2025288 AMAQI
22nd Sep 2025229 AMAQI
22nd Sep 20252410 AMAQI
22nd Sep 20253411 AMAQI
11 AM22nd Sep 20252712 PMAQI
22nd Sep 2025241 PMAQI
22nd Sep 2025242 PMAQI
22nd Sep 2025233 PMAQI
22nd Sep 2025184 PMAQI
22nd Sep 2025225 PMAQI
22nd Sep 2025226 PMAQI
6 PM11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 AM
37AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
9 AM - 10 AM
31AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 37), while the lowest AQI was between 9 AM to 10 AM (Avg. 31).
Night time
Avg. Highest Time
12 AM - 11 PM
36AQI
10 hours / Day
300 hours / Month
Avg. Lowest Time
12 AM - 11 PM
36AQI
10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 36), while the lowest AQI was between 12 AM to 11 PM (Avg. 36).
2025 Days Vs Air Quality
Kunisakimachi Tsurugawa, Oita, Japan
2025
82%
216
18%
48
Total number of days with different AQI categories in last 265 days in 2025 (100 days remaining)
Good
216 DaysModerate
48 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 82%
Health Risk Level:
Low
In 2025, 82% of 265 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
Kunisakimachi Tsurugawa, Oita, 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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
31AQI
31AQI
2nd January 2025
38AQI
38AQI
3rd January 2025
33AQI
33AQI
4th January 2025
31AQI
31AQI
5th January 2025
32AQI
32AQI
6th January 2025
43AQI
43AQI
7th January 2025
31AQI
31AQI
8th January 2025
34AQI
34AQI
9th January 2025
30AQI
30AQI
10th January 2025
32AQI
32AQI
11th January 2025
29AQI
29AQI
12th January 2025
31AQI
31AQI
13th January 2025
37AQI
37AQI
14th January 2025
42AQI
42AQI
15th January 2025
39AQI
39AQI
16th January 2025
34AQI
34AQI
17th January 2025
39AQI
39AQI
18th January 2025
33AQI
33AQI
19th January 2025
37AQI
37AQI
20th January 2025
38AQI
38AQI
21st January 2025
53AQI
53AQI
22nd January 2025
59AQI
59AQI
23rd January 2025
62AQI
62AQI
24th January 2025
64AQI
64AQI
25th January 2025
43AQI
43AQI
26th January 2025
43AQI
43AQI
27th January 2025
35AQI
35AQI
28th January 2025
37AQI
37AQI
29th January 2025
31AQI
31AQI
30th January 2025
38AQI
38AQI
31st January 2025
41AQI
41AQI
1st February 2025
45AQI
45AQI
2nd February 2025
32AQI
32AQI
3rd February 2025
44AQI
44AQI
4th February 2025
33AQI
33AQI
5th February 2025
37AQI
37AQI
6th February 2025
34AQI
34AQI
7th February 2025
36AQI
36AQI
8th February 2025
31AQI
31AQI
9th February 2025
31AQI
31AQI
10th February 2025
32AQI
32AQI
11th February 2025
32AQI
32AQI
12th February 2025
36AQI
36AQI
13th February 2025
31AQI
31AQI
14th February 2025
36AQI
36AQI
15th February 2025
32AQI
32AQI
16th February 2025
36AQI
36AQI
17th February 2025
41AQI
41AQI
18th February 2025
34AQI
34AQI
19th February 2025
36AQI
36AQI
20th February 2025
33AQI
33AQI
21st February 2025
34AQI
34AQI
22nd February 2025
37AQI
37AQI
23rd February 2025
38AQI
38AQI
24th February 2025
36AQI
36AQI
25th February 2025
37AQI
37AQI
26th February 2025
43AQI
43AQI
27th February 2025
53AQI
53AQI
28th February 2025
55AQI
55AQI
1st March 2025
66AQI
66AQI
2nd March 2025
59AQI
59AQI
3rd March 2025
44AQI
44AQI
4th March 2025
41AQI
41AQI
5th March 2025
33AQI
33AQI
6th March 2025
35AQI
35AQI
7th March 2025
35AQI
35AQI
8th March 2025
35AQI
35AQI
9th March 2025
37AQI
37AQI
10th March 2025
37AQI
37AQI
11th March 2025
39AQI
39AQI
12th March 2025
44AQI
44AQI
13th March 2025
48AQI
48AQI
14th March 2025
35AQI
35AQI
15th March 2025
36AQI
36AQI
16th March 2025
27AQI
27AQI
17th March 2025
41AQI
41AQI
18th March 2025
33AQI
33AQI
19th March 2025
43AQI
43AQI
20th March 2025
42AQI
42AQI
21st March 2025
52AQI
52AQI
22nd March 2025
60AQI
60AQI
23rd March 2025
59AQI
59AQI
24th March 2025
54AQI
54AQI
25th March 2025
62AQI
62AQI
26th March 2025
67AQI
67AQI
27th March 2025
56AQI
56AQI
28th March 2025
59AQI
59AQI
29th March 2025
47AQI
47AQI
30th March 2025
40AQI
40AQI
31st March 2025
38AQI
38AQI
1st April 2025
38AQI
38AQI
2nd April 2025
32AQI
32AQI
3rd April 2025
31AQI
31AQI
4th April 2025
32AQI
32AQI
5th April 2025
39AQI
39AQI
6th April 2025
43AQI
43AQI
7th April 2025
39AQI
39AQI
8th April 2025
37AQI
37AQI
9th April 2025
53AQI
53AQI
10th April 2025
50AQI
50AQI
11th April 2025
55AQI
55AQI
12th April 2025
53AQI
53AQI
13th April 2025
41AQI
41AQI
14th April 2025
44AQI
44AQI
15th April 2025
28AQI
28AQI
16th April 2025
43AQI
43AQI
17th April 2025
45AQI
45AQI
18th April 2025
55AQI
55AQI
19th April 2025
51AQI
51AQI
20th April 2025
41AQI
41AQI
21st April 2025
39AQI
39AQI
22nd April 2025
36AQI
36AQI
23rd April 2025
28AQI
28AQI
24th April 2025
37AQI
37AQI
25th April 2025
54AQI
54AQI
26th April 2025
49AQI
49AQI
27th April 2025
52AQI
52AQI
28th April 2025
43AQI
43AQI
29th April 2025
46AQI
46AQI
30th April 2025
48AQI
48AQI
1st May 2025
45AQI
45AQI
2nd May 2025
39AQI
39AQI
3rd May 2025
46AQI
46AQI
4th May 2025
35AQI
35AQI
5th May 2025
40AQI
40AQI
6th May 2025
34AQI
34AQI
7th May 2025
33AQI
33AQI
8th May 2025
38AQI
38AQI
9th May 2025
31AQI
31AQI
10th May 2025
33AQI
33AQI
11th May 2025
34AQI
34AQI
12th May 2025
48AQI
48AQI
13th May 2025
52AQI
52AQI
14th May 2025
57AQI
57AQI
15th May 2025
54AQI
54AQI
16th May 2025
50AQI
50AQI
17th May 2025
39AQI
39AQI
18th May 2025
50AQI
50AQI
19th May 2025
55AQI
55AQI
20th May 2025
55AQI
55AQI
21st May 2025
35AQI
35AQI
22nd May 2025
41AQI
41AQI
23rd May 2025
41AQI
41AQI
24th May 2025
36AQI
36AQI
25th May 2025
28AQI
28AQI
26th May 2025
32AQI
32AQI
27th May 2025
39AQI
39AQI
28th May 2025
37AQI
37AQI
29th May 2025
40AQI
40AQI
30th May 2025
38AQI
38AQI
31st May 2025
38AQI
38AQI
1st June 2025
44AQI
44AQI
2nd June 2025
48AQI
48AQI
3rd June 2025
31AQI
31AQI
4th June 2025
42AQI
42AQI
5th June 2025
40AQI
40AQI
6th June 2025
51AQI
51AQI
7th June 2025
55AQI
55AQI
8th June 2025
58AQI
58AQI
9th June 2025
39AQI
39AQI
10th June 2025
36AQI
36AQI
11th June 2025
42AQI
42AQI
12th June 2025
42AQI
42AQI
13th June 2025
38AQI
38AQI
14th June 2025
34AQI
34AQI
15th June 2025
35AQI
35AQI
16th June 2025
30AQI
30AQI
17th June 2025
32AQI
32AQI
18th June 2025
40AQI
40AQI
19th June 2025
42AQI
42AQI
20th June 2025
50AQI
50AQI
21st June 2025
49AQI
49AQI
22nd June 2025
42AQI
42AQI
23rd June 2025
34AQI
34AQI
24th June 2025
39AQI
39AQI
25th June 2025
39AQI
39AQI
26th June 2025
45AQI
45AQI
27th June 2025
49AQI
49AQI
28th June 2025
46AQI
46AQI
29th June 2025
46AQI
46AQI
30th June 2025
52AQI
52AQI
1st July 2025
53AQI
53AQI
2nd July 2025
69AQI
69AQI
3rd July 2025
80AQI
80AQI
4th July 2025
83AQI
83AQI
5th July 2025
81AQI
81AQI
6th July 2025
65AQI
65AQI
7th July 2025
63AQI
63AQI
8th July 2025
68AQI
68AQI
9th July 2025
73AQI
73AQI
10th July 2025
77AQI
77AQI
11th July 2025
57AQI
57AQI
12th July 2025
55AQI
55AQI
13th July 2025
45AQI
45AQI
14th July 2025
44AQI
44AQI
15th July 2025
53AQI
53AQI
16th July 2025
53AQI
53AQI
17th July 2025
44AQI
44AQI
18th July 2025
41AQI
41AQI
19th July 2025
39AQI
39AQI
20th July 2025
36AQI
36AQI
21st July 2025
33AQI
33AQI
22nd July 2025
32AQI
32AQI
23rd July 2025
30AQI
30AQI
24th July 2025
32AQI
32AQI
25th July 2025
31AQI
31AQI
26th July 2025
28AQI
28AQI
27th July 2025
27AQI
27AQI
28th July 2025
25AQI
25AQI
29th July 2025
27AQI
27AQI
30th July 2025
25AQI
25AQI
31st July 2025
29AQI
29AQI
1st August 2025
42AQI
42AQI
2nd August 2025
45AQI
45AQI
3rd August 2025
47AQI
47AQI
4th August 2025
49AQI
49AQI
5th August 2025
46AQI
46AQI
6th August 2025
44AQI
44AQI
7th August 2025
46AQI
46AQI
8th August 2025
43AQI
43AQI
9th August 2025
40AQI
40AQI
10th August 2025
37AQI
37AQI
11th August 2025
31AQI
31AQI
12th August 2025
34AQI
34AQI
13th August 2025
39AQI
39AQI
14th August 2025
44AQI
44AQI
15th August 2025
44AQI
44AQI
16th August 2025
41AQI
41AQI
17th August 2025
41AQI
41AQI
18th August 2025
45AQI
45AQI
19th August 2025
53AQI
53AQI
20th August 2025
44AQI
44AQI
21st August 2025
41AQI
41AQI
22nd August 2025
41AQI
41AQI
23rd August 2025
44AQI
44AQI
24th August 2025
43AQI
43AQI
25th August 2025
44AQI
44AQI
26th August 2025
43AQI
43AQI
27th August 2025
44AQI
44AQI
28th August 2025
47AQI
47AQI
29th August 2025
51AQI
51AQI
30th August 2025
49AQI
49AQI
31st August 2025
45AQI
45AQI
1st September 2025
39AQI
39AQI
2nd September 2025
36AQI
36AQI
3rd September 2025
37AQI
37AQI
4th September 2025
29AQI
29AQI
5th September 2025
28AQI
28AQI
6th September 2025
29AQI
29AQI
7th September 2025
35AQI
35AQI
8th September 2025
31AQI
31AQI
9th September 2025
29AQI
29AQI
10th September 2025
29AQI
29AQI
11th September 2025
30AQI
30AQI
12th September 2025
28AQI
28AQI
13th September 2025
31AQI
31AQI
14th September 2025
28AQI
28AQI
15th September 2025
33AQI
33AQI
16th September 2025
42AQI
42AQI
17th September 2025
37AQI
37AQI
18th September 2025
30AQI
30AQI
19th September 2025
28AQI
28AQI
20th September 2025
37AQI
37AQI
21st September 2025
27AQI
27AQI
22nd September 2025
23rd September 2025
24th September 2025
25th September 2025
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
39AQI
37AQI
45AQI
43AQI
41AQI
42AQI
48AQI
43AQI
32AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202542AQI
27
4
26
2
21
10
23
7
26
5
26
4
17
14
29
2
21
216
48
Highest AQI recorded in
July48AQI
Lowest AQI recorded in
September32AQI
202437AQI
30
1
27
2
28
3
22
8
28
3
28
2
30
1
27
4
27
3
31
28
2
31
337
29
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
December32AQI
202339AQI
26
5
28
23
8
20
10
26
5
23
7
30
29
2
27
3
29
2
26
3
29
2
316
47
Highest AQI recorded in
April49AQI
Lowest AQI recorded in
August32AQI
202239AQI
28
3
19
2
25
6
23
7
21
10
25
5
23
1
1
28
27
4
26
4
31
277
42
Highest AQI recorded in
May47AQI
Lowest AQI recorded in
August24AQI
202135AQI
29
2
25
3
26
3
20
1
26
5
22
8
30
1
30
1
29
1
29
2
24
6
30
1
320
34
Highest AQI recorded in
June43AQI
Lowest AQI recorded in
January29AQI
202033AQI
13
18
3
17
1
23
7
31
17
13
1
19
30
1
29
1
30
1
227
27
1
Highest AQI recorded in
August49AQI
Lowest AQI recorded in
July27AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
42AQILeast Polluted Year Recorded
2020(Avg.)
33AQIKunisakimachi Tsurugawa's annual 2025 AQI (42) shows an average percentage change of 14.2% (worsened AQI) compared to previous years: 2020 (33), 2021 (35), 2022 (39), 2023 (39), 2024 (37).
