Tsukawaki, 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
Tsukawaki, Oita, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
5th Sep 2024
75AQILowest AQI recorded on
5th Sep 2022
19AQISame Day Analysis (20th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 34 of Good air quality, showing improvement over 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
Tsukawaki, Oita, Japan
AQI
Day
Night
.
5 AM21st Sep 2025
6 PM
4 AM22nd Sep 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
6AM21st Sep
34AQI
Avg. Lowest Time
12PM21st Sep
14AQI
In the last 24 hours,
Tsukawaki's AQI reached its highest point of 34 at 6 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 21st Sep and 22nd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Tsukawaki, 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 2025445 AMAQI
23rd Aug 2025446 AMAQI
23rd Aug 2025437 AMAQI
23rd Aug 2025448 AMAQI
23rd Aug 2025469 AMAQI
23rd Aug 20254110 AMAQI
23rd Aug 20254611 AMAQI
23rd Aug 20255112 PMAQI
23rd Aug 2025441 PMAQI
23rd Aug 2025372 PMAQI
23rd Aug 2025343 PMAQI
23rd Aug 2025424 PMAQI
23rd Aug 2025405 PMAQI
23rd Aug 2025426 PMAQI
23rd Aug 2025397 PMAQI
23rd Aug 2025438 PMAQI
23rd Aug 2025449 PMAQI
23rd Aug 20254310 PMAQI
23rd Aug 20254111 PMAQI
24th Aug 20254112 AMAQI
24th Aug 2025421 AMAQI
24th Aug 2025442 AMAQI
24th Aug 2025463 AMAQI
24th Aug 2025454 AMAQI
26°C23/31°C
24th Aug 2025465 AMAQI
24th Aug 2025456 AMAQI
24th Aug 2025467 AMAQI
24th Aug 2025468 AMAQI
24th Aug 2025419 AMAQI
24th Aug 20253210 AMAQI
24th Aug 20253711 AMAQI
24th Aug 20253812 PMAQI
24th Aug 2025381 PMAQI
24th Aug 2025382 PMAQI
24th Aug 2025353 PMAQI
24th Aug 2025414 PMAQI
24th Aug 2025425 PMAQI
24th Aug 2025406 PMAQI
24th Aug 2025527 PMAQI
24th Aug 2025398 PMAQI
24th Aug 2025409 PMAQI
24th Aug 20254010 PMAQI
24th Aug 20254211 PMAQI
25th Aug 20254012 AMAQI
25th Aug 2025421 AMAQI
25th Aug 2025442 AMAQI
25th Aug 2025443 AMAQI
25th Aug 2025434 AMAQI
27°C23/33°C
25th Aug 2025435 AMAQI
25th Aug 2025456 AMAQI
25th Aug 2025447 AMAQI
25th Aug 2025448 AMAQI
25th Aug 2025349 AMAQI
25th Aug 20253510 AMAQI
25th Aug 20252611 AMAQI
25th Aug 20253812 PMAQI
25th Aug 2025471 PMAQI
25th Aug 2025562 PMAQI
25th Aug 2025513 PMAQI
25th Aug 2025514 PMAQI
25th Aug 2025445 PMAQI
25th Aug 2025446 PMAQI
25th Aug 2025507 PMAQI
25th Aug 2025468 PMAQI
25th Aug 2025469 PMAQI
25th Aug 20253810 PMAQI
25th Aug 20253611 PMAQI
26th Aug 20253912 AMAQI
26th Aug 2025411 AMAQI
26th Aug 2025432 AMAQI
26th Aug 2025443 AMAQI
26th Aug 2025424 AMAQI
26°C23/30°C
26th Aug 2025425 AMAQI
26th Aug 2025426 AMAQI
26th Aug 2025437 AMAQI
26th Aug 2025428 AMAQI
26th Aug 2025239 AMAQI
26th Aug 20252310 AMAQI
26th Aug 20252611 AMAQI
26th Aug 20253112 PMAQI
26th Aug 2025311 PMAQI
26th Aug 2025322 PMAQI
26th Aug 2025403 PMAQI
26th Aug 2025414 PMAQI
26th Aug 2025335 PMAQI
26th Aug 2025426 PMAQI
26th Aug 2025387 PMAQI
26th Aug 2025528 PMAQI
26th Aug 2025479 PMAQI
26th Aug 20254810 PMAQI
26th Aug 20254311 PMAQI
27th Aug 20254712 AMAQI
27th Aug 2025461 AMAQI
27th Aug 2025412 AMAQI
27th Aug 2025423 AMAQI
27th Aug 2025424 AMAQI
27°C23/32°C
27th Aug 2025425 AMAQI
27th Aug 2025426 AMAQI
27th Aug 2025417 AMAQI
27th Aug 2025408 AMAQI
27th Aug 2025279 AMAQI
27th Aug 20254110 AMAQI
27th Aug 20254311 AMAQI
27th Aug 20254412 PMAQI
27th Aug 2025341 PMAQI
27th Aug 2025382 PMAQI
27th Aug 2025523 PMAQI
27th Aug 2025484 PMAQI
27th Aug 2025475 PMAQI
27th Aug 2025396 PMAQI
27th Aug 2025407 PMAQI
27th Aug 2025428 PMAQI
27th Aug 2025369 PMAQI
27th Aug 20253810 PMAQI
27th Aug 20253911 PMAQI
28th Aug 20254112 AMAQI
28th Aug 2025451 AMAQI
28th Aug 2025402 AMAQI
28th Aug 2025423 AMAQI
28th Aug 2025424 AMAQI
26°C23/30°C
28th Aug 2025425 AMAQI
28th Aug 2025416 AMAQI
28th Aug 2025437 AMAQI
28th Aug 2025428 AMAQI
28th Aug 2025429 AMAQI
28th Aug 20254310 AMAQI
28th Aug 20253911 AMAQI
28th Aug 20254512 PMAQI
28th Aug 2025481 PMAQI
28th Aug 2025462 PMAQI
28th Aug 2025523 PMAQI
28th Aug 2025564 PMAQI
28th Aug 2025555 PMAQI
28th Aug 2025486 PMAQI
28th Aug 2025477 PMAQI
28th Aug 2025448 PMAQI
28th Aug 2025489 PMAQI
28th Aug 20254610 PMAQI
28th Aug 20254411 PMAQI
29th Aug 20254412 AMAQI
29th Aug 2025431 AMAQI
29th Aug 2025412 AMAQI
29th Aug 2025443 AMAQI
29th Aug 2025424 AMAQI
27°C23/32°C
29th Aug 2025425 AMAQI
29th Aug 2025436 AMAQI
29th Aug 2025437 AMAQI
29th Aug 2025438 AMAQI
29th Aug 2025419 AMAQI
29th Aug 20255110 AMAQI
29th Aug 20255211 AMAQI
29th Aug 20255312 PMAQI
29th Aug 2025551 PMAQI
29th Aug 2025552 PMAQI
29th Aug 2025583 PMAQI
29th Aug 2025524 PMAQI
29th Aug 2025565 PMAQI
29th Aug 2025556 PMAQI
29th Aug 2025557 PMAQI
29th Aug 2025508 PMAQI
29th Aug 2025459 PMAQI
29th Aug 20254410 PMAQI
29th Aug 20254711 PMAQI
30th Aug 20254812 AMAQI
30th Aug 2025451 AMAQI
30th Aug 2025442 AMAQI
30th Aug 2025453 AMAQI
30th Aug 2025444 AMAQI
27°C23/34°C
30th Aug 2025455 AMAQI
30th Aug 2025456 AMAQI
30th Aug 2025447 AMAQI
30th Aug 2025468 AMAQI
30th Aug 2025509 AMAQI
30th Aug 20254410 AMAQI
30th Aug 20255211 AMAQI
30th Aug 20255012 PMAQI
30th Aug 2025561 PMAQI
30th Aug 2025542 PMAQI
30th Aug 2025533 PMAQI
30th Aug 2025544 PMAQI
30th Aug 2025515 PMAQI
30th Aug 2025526 PMAQI
30th Aug 2025547 PMAQI
30th Aug 2025528 PMAQI
30th Aug 2025519 PMAQI
30th Aug 20254710 PMAQI
30th Aug 20254811 PMAQI
31st Aug 20254612 AMAQI
31st Aug 2025461 AMAQI
31st Aug 2025472 AMAQI
31st Aug 2025473 AMAQI
31st Aug 2025464 AMAQI
27°C23/33°C
31st Aug 2025455 AMAQI
31st Aug 2025466 AMAQI
31st Aug 2025467 AMAQI
31st Aug 2025468 AMAQI
31st Aug 2025469 AMAQI
31st Aug 20255610 AMAQI
31st Aug 20255411 AMAQI
31st Aug 20255312 PMAQI
31st Aug 2025521 PMAQI
31st Aug 2025372 PMAQI
31st Aug 2025483 PMAQI
31st Aug 2025474 PMAQI
31st Aug 2025445 PMAQI
31st Aug 2025386 PMAQI
31st Aug 2025467 PMAQI
31st Aug 2025448 PMAQI
31st Aug 2025439 PMAQI
31st Aug 20254610 PMAQI
31st Aug 20254511 PMAQI
1st Sep 20254412 AMAQI
1st Sep 2025461 AMAQI
1st Sep 2025482 AMAQI
1st Sep 2025463 AMAQI
1st Sep 2025484 AMAQI
26°C23/31°C
1st Sep 2025505 AMAQI
1st Sep 2025486 AMAQI
1st Sep 2025497 AMAQI
1st Sep 2025498 AMAQI
1st Sep 2025249 AMAQI
1st Sep 20252510 AMAQI
1st Sep 20252211 AMAQI
1st Sep 20253412 PMAQI
1st Sep 2025441 PMAQI
1st Sep 2025272 PMAQI
1st Sep 2025453 PMAQI
1st Sep 2025324 PMAQI
1st Sep 2025345 PMAQI
1st Sep 2025326 PMAQI
1st Sep 2025327 PMAQI
1st Sep 2025348 PMAQI
1st Sep 2025359 PMAQI
1st Sep 20254010 PMAQI
1st Sep 20254111 PMAQI
2nd Sep 20254012 AMAQI
2nd Sep 2025441 AMAQI
2nd Sep 2025482 AMAQI
2nd Sep 2025473 AMAQI
2nd Sep 2025464 AMAQI
27°C23/32°C
2nd Sep 2025445 AMAQI
2nd Sep 2025426 AMAQI
2nd Sep 2025447 AMAQI
2nd Sep 2025448 AMAQI
2nd Sep 2025409 AMAQI
2nd Sep 20254510 AMAQI
2nd Sep 20252011 AMAQI
2nd Sep 20252412 PMAQI
2nd Sep 2025241 PMAQI
2nd Sep 2025302 PMAQI
2nd Sep 2025323 PMAQI
2nd Sep 2025364 PMAQI
2nd Sep 2025485 PMAQI
2nd Sep 2025526 PMAQI
2nd Sep 2025437 PMAQI
2nd Sep 2025398 PMAQI
2nd Sep 2025669 PMAQI
2nd Sep 20255710 PMAQI
2nd Sep 20253811 PMAQI
3rd Sep 20253912 AMAQI
3rd Sep 2025401 AMAQI
3rd Sep 2025462 AMAQI
3rd Sep 2025463 AMAQI
3rd Sep 2025434 AMAQI
26°C23/31°C
3rd Sep 2025425 AMAQI
3rd Sep 2025426 AMAQI
3rd Sep 2025417 AMAQI
3rd Sep 2025428 AMAQI
3rd Sep 2025429 AMAQI
3rd Sep 20253810 AMAQI
3rd Sep 20254011 AMAQI
3rd Sep 20253912 PMAQI
3rd Sep 2025371 PMAQI
3rd Sep 2025382 PMAQI
3rd Sep 2025343 PMAQI
3rd Sep 2025304 PMAQI
3rd Sep 2025365 PMAQI
3rd Sep 2025346 PMAQI
3rd Sep 2025287 PMAQI
3rd Sep 2025398 PMAQI
3rd Sep 2025359 PMAQI
3rd Sep 20253410 PMAQI
3rd Sep 20253311 PMAQI
4th Sep 20253212 AMAQI
4th Sep 2025381 AMAQI
4th Sep 2025422 AMAQI
4th Sep 2025423 AMAQI
4th Sep 2025404 AMAQI
27°C23/33°C
4th Sep 2025405 AMAQI
4th Sep 2025396 AMAQI
4th Sep 2025397 AMAQI
4th Sep 2025408 AMAQI
4th Sep 2025369 AMAQI
4th Sep 20253210 AMAQI
4th Sep 20253611 AMAQI
4th Sep 20252812 PMAQI
4th Sep 2025201 PMAQI
4th Sep 2025222 PMAQI
4th Sep 2025213 PMAQI
4th Sep 2025214 PMAQI
4th Sep 2025185 PMAQI
4th Sep 2025136 PMAQI
4th Sep 2025117 PMAQI
4th Sep 2025118 PMAQI
4th Sep 2025189 PMAQI
4th Sep 20251110 PMAQI
4th Sep 20251111 PMAQI
5th Sep 20251112 AMAQI
5th Sep 2025201 AMAQI
5th Sep 2025372 AMAQI
5th Sep 2025383 AMAQI
5th Sep 2025384 AMAQI
25°C23/28°C
5th Sep 2025355 AMAQI
5th Sep 2025356 AMAQI
5th Sep 2025357 AMAQI
5th Sep 2025358 AMAQI
5th Sep 2025169 AMAQI
5th Sep 20251710 AMAQI
5th Sep 20251611 AMAQI
5th Sep 20252012 PMAQI
5th Sep 2025191 PMAQI
5th Sep 2025222 PMAQI
5th Sep 2025243 PMAQI
5th Sep 2025264 PMAQI
5th Sep 2025315 PMAQI
5th Sep 2025256 PMAQI
5th Sep 2025267 PMAQI
5th Sep 2025248 PMAQI
5th Sep 2025289 PMAQI
5th Sep 20252610 PMAQI
5th Sep 20252411 PMAQI
6th Sep 20252412 AMAQI
6th Sep 2025251 AMAQI
6th Sep 2025232 AMAQI
6th Sep 2025243 AMAQI
6th Sep 2025254 AMAQI
26°C23/30°C
6th Sep 2025265 AMAQI
6th Sep 2025276 AMAQI
6th Sep 2025267 AMAQI
6th Sep 2025278 AMAQI
6th Sep 2025379 AMAQI
6th Sep 20252610 AMAQI
6th Sep 20252911 AMAQI
6th Sep 20253512 PMAQI
6th Sep 2025361 PMAQI
6th Sep 2025362 PMAQI
6th Sep 2025343 PMAQI
6th Sep 2025324 PMAQI
6th Sep 2025405 PMAQI
6th Sep 2025356 PMAQI
6th Sep 2025357 PMAQI
6th Sep 2025298 PMAQI
6th Sep 2025319 PMAQI
6th Sep 20253010 PMAQI
6th Sep 20252811 PMAQI
7th Sep 20253012 AMAQI
7th Sep 2025261 AMAQI
7th Sep 2025252 AMAQI
7th Sep 2025253 AMAQI
7th Sep 2025284 AMAQI
27°C23/33°C
7th Sep 2025285 AMAQI
7th Sep 2025286 AMAQI
7th Sep 2025287 AMAQI
7th Sep 2025288 AMAQI
7th Sep 2025309 AMAQI
7th Sep 20252610 AMAQI
7th Sep 20253211 AMAQI
7th Sep 20253812 PMAQI
7th Sep 2025361 PMAQI
7th Sep 2025452 PMAQI
7th Sep 2025403 PMAQI
7th Sep 2025414 PMAQI
7th Sep 2025425 PMAQI
7th Sep 2025466 PMAQI
7th Sep 2025487 PMAQI
7th Sep 2025488 PMAQI
7th Sep 2025449 PMAQI
7th Sep 20254310 PMAQI
7th Sep 20254111 PMAQI
8th Sep 20253712 AMAQI
8th Sep 2025291 AMAQI
8th Sep 2025282 AMAQI
8th Sep 2025283 AMAQI
8th Sep 2025304 AMAQI
27°C23/32°C
8th Sep 2025285 AMAQI
8th Sep 2025286 AMAQI
8th Sep 2025297 AMAQI
8th Sep 2025298 AMAQI
8th Sep 2025269 AMAQI
8th Sep 20253510 AMAQI
8th Sep 20252511 AMAQI
8th Sep 20252412 PMAQI
8th Sep 2025241 PMAQI
8th Sep 2025242 PMAQI
8th Sep 2025313 PMAQI
8th Sep 2025284 PMAQI
8th Sep 2025275 PMAQI
8th Sep 2025246 PMAQI
8th Sep 2025287 PMAQI
8th Sep 2025308 PMAQI
8th Sep 2025299 PMAQI
8th Sep 20252810 PMAQI
8th Sep 20253611 PMAQI
9th Sep 20253212 AMAQI
9th Sep 2025311 AMAQI
9th Sep 2025302 AMAQI
9th Sep 2025313 AMAQI
9th Sep 2025304 AMAQI
27°C23/32°C
9th Sep 2025305 AMAQI
9th Sep 2025326 AMAQI
9th Sep 2025307 AMAQI
9th Sep 2025318 AMAQI
9th Sep 2025229 AMAQI
9th Sep 20252110 AMAQI
9th Sep 20252711 AMAQI
9th Sep 20252812 PMAQI
9th Sep 2025321 PMAQI
9th Sep 2025262 PMAQI
9th Sep 2025253 PMAQI
9th Sep 2025264 PMAQI
9th Sep 2025315 PMAQI
9th Sep 2025286 PMAQI
9th Sep 2025337 PMAQI
9th Sep 2025368 PMAQI
9th Sep 2025329 PMAQI
9th Sep 20253010 PMAQI
9th Sep 20253111 PMAQI
10th Sep 20253112 AMAQI
10th Sep 2025301 AMAQI
10th Sep 2025302 AMAQI
10th Sep 2025303 AMAQI
10th Sep 2025304 AMAQI
27°C23/32°C
10th Sep 2025295 AMAQI
10th Sep 2025306 AMAQI
10th Sep 2025297 AMAQI
10th Sep 2025308 AMAQI
10th Sep 2025269 AMAQI
10th Sep 20252510 AMAQI
10th Sep 20253611 AMAQI
10th Sep 20252512 PMAQI
10th Sep 2025291 PMAQI
10th Sep 2025282 PMAQI
10th Sep 2025343 PMAQI
10th Sep 2025254 PMAQI
10th Sep 2025235 PMAQI
10th Sep 2025266 PMAQI
10th Sep 2025257 PMAQI
10th Sep 2025278 PMAQI
10th Sep 2025269 PMAQI
10th Sep 20252810 PMAQI
10th Sep 20252811 PMAQI
11th Sep 20252812 AMAQI
11th Sep 2025301 AMAQI
11th Sep 2025322 AMAQI
11th Sep 2025323 AMAQI
11th Sep 2025314 AMAQI
24°C22/27°C
11th Sep 2025335 AMAQI
11th Sep 2025336 AMAQI
11th Sep 2025327 AMAQI
11th Sep 2025328 AMAQI
11th Sep 2025209 AMAQI
11th Sep 20252610 AMAQI
11th Sep 20252511 AMAQI
11th Sep 20252312 PMAQI
11th Sep 2025301 PMAQI
11th Sep 2025362 PMAQI
11th Sep 2025313 PMAQI
11th Sep 2025384 PMAQI
11th Sep 2025285 PMAQI
11th Sep 2025286 PMAQI
11th Sep 2025337 PMAQI
11th Sep 2025388 PMAQI
11th Sep 2025409 PMAQI
11th Sep 20253610 PMAQI
11th Sep 20253611 PMAQI
12th Sep 20253512 AMAQI
12th Sep 2025301 AMAQI
12th Sep 2025322 AMAQI
12th Sep 2025323 AMAQI
12th Sep 2025324 AMAQI
25°C22/30°C
12th Sep 2025305 AMAQI
12th Sep 2025316 AMAQI
12th Sep 2025317 AMAQI
12th Sep 2025308 AMAQI
12th Sep 2025249 AMAQI
12th Sep 20252110 AMAQI
12th Sep 20252411 AMAQI
12th Sep 20252212 PMAQI
12th Sep 2025251 PMAQI
12th Sep 2025302 PMAQI
12th Sep 2025273 PMAQI
12th Sep 2025304 PMAQI
12th Sep 2025325 PMAQI
12th Sep 2025376 PMAQI
12th Sep 2025367 PMAQI
12th Sep 2025318 PMAQI
12th Sep 2025329 PMAQI
12th Sep 20253110 PMAQI
12th Sep 20253111 PMAQI
13th Sep 20252812 AMAQI
13th Sep 2025311 AMAQI
13th Sep 2025322 AMAQI
13th Sep 2025333 AMAQI
13th Sep 2025314 AMAQI
26°C21/32°C
13th Sep 2025315 AMAQI
13th Sep 2025326 AMAQI
13th Sep 2025317 AMAQI
13th Sep 2025318 AMAQI
13th Sep 2025229 AMAQI
13th Sep 20252510 AMAQI
13th Sep 20253111 AMAQI
13th Sep 20254012 PMAQI
13th Sep 2025471 PMAQI
13th Sep 2025362 PMAQI
13th Sep 2025343 PMAQI
13th Sep 2025274 PMAQI
13th Sep 2025285 PMAQI
13th Sep 2025296 PMAQI
13th Sep 2025287 PMAQI
13th Sep 2025308 PMAQI
13th Sep 2025329 PMAQI
13th Sep 20252810 PMAQI
13th Sep 20252611 PMAQI
14th Sep 20252912 AMAQI
14th Sep 2025281 AMAQI
14th Sep 2025322 AMAQI
14th Sep 2025323 AMAQI
14th Sep 2025324 AMAQI
25°C23/29°C
14th Sep 2025325 AMAQI
14th Sep 2025326 AMAQI
14th Sep 2025327 AMAQI
14th Sep 2025328 AMAQI
14th Sep 2025259 AMAQI
14th Sep 20251810 AMAQI
14th Sep 20252411 AMAQI
14th Sep 20252812 PMAQI
14th Sep 2025321 PMAQI
14th Sep 2025202 PMAQI
14th Sep 2025243 PMAQI
14th Sep 2025264 PMAQI
14th Sep 2025305 PMAQI
14th Sep 2025296 PMAQI
14th Sep 2025347 PMAQI
14th Sep 2025308 PMAQI
14th Sep 2025329 PMAQI
14th Sep 20253410 PMAQI
14th Sep 20253111 PMAQI
15th Sep 20253112 AMAQI
15th Sep 2025321 AMAQI
15th Sep 2025322 AMAQI
15th Sep 2025333 AMAQI
15th Sep 2025314 AMAQI
26°C24/30°C
15th Sep 2025305 AMAQI
15th Sep 2025316 AMAQI
15th Sep 2025307 AMAQI
15th Sep 2025308 AMAQI
15th Sep 2025269 AMAQI
15th Sep 20252610 AMAQI
15th Sep 20252611 AMAQI
15th Sep 20253612 PMAQI
15th Sep 2025351 PMAQI
15th Sep 2025312 PMAQI
15th Sep 2025263 PMAQI
15th Sep 2025244 PMAQI
15th Sep 2025285 PMAQI
15th Sep 2025286 PMAQI
15th Sep 2025287 PMAQI
15th Sep 2025308 PMAQI
15th Sep 2025319 PMAQI
15th Sep 20253410 PMAQI
15th Sep 20252911 PMAQI
16th Sep 20253012 AMAQI
16th Sep 2025311 AMAQI
16th Sep 2025322 AMAQI
16th Sep 2025323 AMAQI
16th Sep 2025324 AMAQI
26°C23/32°C
16th Sep 2025325 AMAQI
16th Sep 2025326 AMAQI
16th Sep 2025317 AMAQI
16th Sep 2025318 AMAQI
16th Sep 2025349 AMAQI
16th Sep 20253610 AMAQI
16th Sep 20253411 AMAQI
16th Sep 20253412 PMAQI
16th Sep 2025391 PMAQI
16th Sep 2025422 PMAQI
16th Sep 2025463 PMAQI
16th Sep 2025454 PMAQI
16th Sep 2025445 PMAQI
16th Sep 2025376 PMAQI
16th Sep 2025317 PMAQI
16th Sep 2025348 PMAQI
16th Sep 2025359 PMAQI
16th Sep 20253410 PMAQI
16th Sep 20253411 PMAQI
17th Sep 20253512 AMAQI
17th Sep 2025341 AMAQI
17th Sep 2025332 AMAQI
17th Sep 2025323 AMAQI
17th Sep 2025334 AMAQI
26°C23/32°C
17th Sep 2025345 AMAQI
17th Sep 2025346 AMAQI
17th Sep 2025337 AMAQI
17th Sep 2025338 AMAQI
17th Sep 2025319 AMAQI
17th Sep 20253110 AMAQI
17th Sep 20252711 AMAQI
17th Sep 20252812 PMAQI
17th Sep 2025261 PMAQI
17th Sep 2025262 PMAQI
17th Sep 2025273 PMAQI
17th Sep 2025284 PMAQI
17th Sep 2025245 PMAQI
17th Sep 2025296 PMAQI
17th Sep 2025227 PMAQI
17th Sep 2025368 PMAQI
17th Sep 2025319 PMAQI
17th Sep 20252310 PMAQI
17th Sep 20252311 PMAQI
18th Sep 20252712 AMAQI
18th Sep 2025291 AMAQI
18th Sep 2025332 AMAQI
18th Sep 2025333 AMAQI
18th Sep 2025324 AMAQI
26°C23/30°C
18th Sep 2025325 AMAQI
18th Sep 2025326 AMAQI
18th Sep 2025337 AMAQI
18th Sep 2025328 AMAQI
18th Sep 2025209 AMAQI
18th Sep 20251610 AMAQI
18th Sep 20251811 AMAQI
18th Sep 20251712 PMAQI
18th Sep 2025161 PMAQI
18th Sep 2025182 PMAQI
18th Sep 2025183 PMAQI
18th Sep 2025184 PMAQI
18th Sep 2025225 PMAQI
18th Sep 2025306 PMAQI
18th Sep 2025257 PMAQI
18th Sep 2025268 PMAQI
18th Sep 2025279 PMAQI
18th Sep 20252710 PMAQI
18th Sep 20252811 PMAQI
19th Sep 20252612 AMAQI
19th Sep 2025241 AMAQI
19th Sep 2025312 AMAQI
19th Sep 2025323 AMAQI
19th Sep 2025304 AMAQI
24°C22/28°C
19th Sep 2025285 AMAQI
19th Sep 2025286 AMAQI
19th Sep 2025287 AMAQI
19th Sep 2025288 AMAQI
19th Sep 2025229 AMAQI
19th Sep 20252010 AMAQI
19th Sep 20251611 AMAQI
19th Sep 20251712 PMAQI
19th Sep 2025231 PMAQI
19th Sep 2025222 PMAQI
19th Sep 2025243 PMAQI
19th Sep 2025284 PMAQI
19th Sep 2025305 PMAQI
19th Sep 2025306 PMAQI
19th Sep 2025297 PMAQI
19th Sep 2025318 PMAQI
19th Sep 2025329 PMAQI
19th Sep 20252910 PMAQI
19th Sep 20252911 PMAQI
20th Sep 20253012 AMAQI
20th Sep 2025301 AMAQI
20th Sep 2025282 AMAQI
20th Sep 2025283 AMAQI
20th Sep 2025274 AMAQI
24°C20/29°C
20th Sep 2025275 AMAQI
20th Sep 2025276 AMAQI
20th Sep 2025267 AMAQI
20th Sep 2025278 AMAQI
20th Sep 2025499 AMAQI
20th Sep 20255910 AMAQI
20th Sep 20256011 AMAQI
20th Sep 20256212 PMAQI
20th Sep 2025641 PMAQI
20th Sep 2025522 PMAQI
20th Sep 2025303 PMAQI
20th Sep 2025244 PMAQI
20th Sep 2025215 PMAQI
20th Sep 2025206 PMAQI
20th Sep 2025207 PMAQI
20th Sep 2025228 PMAQI
20th Sep 2025249 PMAQI
20th Sep 20252410 PMAQI
20th Sep 20252611 PMAQI
21st Sep 20252412 AMAQI
21st Sep 2025251 AMAQI
21st Sep 2025282 AMAQI
21st Sep 2025283 AMAQI
21st Sep 2025314 AMAQI
24°C22/26°C
21st Sep 2025335 AMAQI
21st Sep 2025346 AMAQI
21st Sep 2025337 AMAQI
21st Sep 2025348 AMAQI
21st Sep 2025229 AMAQI
21st Sep 20251810 AMAQI
21st Sep 20251711 AMAQI
21st Sep 20251412 PMAQI
21st Sep 2025171 PMAQI
21st Sep 2025222 PMAQI
21st Sep 2025203 PMAQI
21st Sep 2025244 PMAQI
21st Sep 2025235 PMAQI
21st Sep 2025206 PMAQI
21st Sep 2025267 PMAQI
21st Sep 2025248 PMAQI
21st Sep 2025289 PMAQI
21st Sep 20253010 PMAQI
21st Sep 20252611 PMAQI
22nd Sep 20252412 AMAQI
22nd Sep 2025261 AMAQI
22nd Sep 2025282 AMAQI
--°C/°C
5 AM
11 AM
6 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 AM
36AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
9 AM
31AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 36), while the lowest AQI was between 9 AM to 9 AM (Avg. 31).
Night time
Avg. Highest Time
12 AM - 11 PM
35AQI
10 hours / Day
300 hours / Month
Avg. Lowest Time
12 AM - 11 PM
35AQI
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. 35), while the lowest AQI was between 12 AM to 11 PM (Avg. 35).
2025 Days Vs Air Quality
Tsukawaki, Oita, Japan
2025
74%
195
26%
68
Total number of days with different AQI categories in last 264 days in 2025 (101 days remaining)
Good
195 DaysModerate
68 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 74%
Health Risk Level:
Low
In 2025, 74% of 264 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
Tsukawaki, 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
38AQI
38AQI
2nd January 2025
45AQI
45AQI
3rd January 2025
37AQI
37AQI
4th January 2025
41AQI
41AQI
5th January 2025
42AQI
42AQI
6th January 2025
56AQI
56AQI
7th January 2025
33AQI
33AQI
8th January 2025
43AQI
43AQI
9th January 2025
30AQI
30AQI
10th January 2025
36AQI
36AQI
11th January 2025
40AQI
40AQI
12th January 2025
45AQI
45AQI
13th January 2025
50AQI
50AQI
14th January 2025
56AQI
56AQI
15th January 2025
53AQI
53AQI
16th January 2025
56AQI
56AQI
17th January 2025
59AQI
59AQI
18th January 2025
56AQI
56AQI
19th January 2025
60AQI
60AQI
20th January 2025
62AQI
62AQI
21st January 2025
76AQI
76AQI
22nd January 2025
79AQI
79AQI
23rd January 2025
76AQI
76AQI
24th January 2025
79AQI
79AQI
25th January 2025
51AQI
51AQI
26th January 2025
51AQI
51AQI
27th January 2025
45AQI
45AQI
28th January 2025
38AQI
38AQI
29th January 2025
35AQI
35AQI
30th January 2025
44AQI
44AQI
31st January 2025
53AQI
53AQI
1st February 2025
46AQI
46AQI
2nd February 2025
39AQI
39AQI
3rd February 2025
50AQI
50AQI
4th February 2025
34AQI
34AQI
5th February 2025
42AQI
42AQI
6th February 2025
33AQI
33AQI
7th February 2025
47AQI
47AQI
8th February 2025
30AQI
30AQI
9th February 2025
36AQI
36AQI
10th February 2025
35AQI
35AQI
11th February 2025
46AQI
46AQI
12th February 2025
57AQI
57AQI
13th February 2025
37AQI
37AQI
14th February 2025
52AQI
52AQI
15th February 2025
34AQI
34AQI
16th February 2025
50AQI
50AQI
17th February 2025
44AQI
44AQI
18th February 2025
41AQI
41AQI
19th February 2025
44AQI
44AQI
20th February 2025
41AQI
41AQI
21st February 2025
42AQI
42AQI
22nd February 2025
48AQI
48AQI
23rd February 2025
47AQI
47AQI
24th February 2025
41AQI
41AQI
25th February 2025
44AQI
44AQI
26th February 2025
47AQI
47AQI
27th February 2025
67AQI
67AQI
28th February 2025
64AQI
64AQI
1st March 2025
63AQI
63AQI
2nd March 2025
53AQI
53AQI
3rd March 2025
43AQI
43AQI
4th March 2025
34AQI
34AQI
5th March 2025
30AQI
30AQI
6th March 2025
32AQI
32AQI
7th March 2025
37AQI
37AQI
8th March 2025
44AQI
44AQI
9th March 2025
47AQI
47AQI
10th March 2025
51AQI
51AQI
11th March 2025
46AQI
46AQI
12th March 2025
52AQI
52AQI
13th March 2025
57AQI
57AQI
14th March 2025
39AQI
39AQI
15th March 2025
37AQI
37AQI
16th March 2025
28AQI
28AQI
17th March 2025
52AQI
52AQI
18th March 2025
44AQI
44AQI
19th March 2025
44AQI
44AQI
20th March 2025
55AQI
55AQI
21st March 2025
60AQI
60AQI
22nd March 2025
66AQI
66AQI
23rd March 2025
69AQI
69AQI
24th March 2025
59AQI
59AQI
25th March 2025
72AQI
72AQI
26th March 2025
70AQI
70AQI
27th March 2025
64AQI
64AQI
28th March 2025
66AQI
66AQI
29th March 2025
57AQI
57AQI
30th March 2025
45AQI
45AQI
31st March 2025
46AQI
46AQI
1st April 2025
45AQI
45AQI
2nd April 2025
38AQI
38AQI
3rd April 2025
37AQI
37AQI
4th April 2025
40AQI
40AQI
5th April 2025
45AQI
45AQI
6th April 2025
46AQI
46AQI
7th April 2025
45AQI
45AQI
8th April 2025
44AQI
44AQI
9th April 2025
54AQI
54AQI
10th April 2025
49AQI
49AQI
11th April 2025
55AQI
55AQI
12th April 2025
55AQI
55AQI
13th April 2025
48AQI
48AQI
14th April 2025
53AQI
53AQI
15th April 2025
28AQI
28AQI
16th April 2025
46AQI
46AQI
17th April 2025
46AQI
46AQI
18th April 2025
51AQI
51AQI
19th April 2025
55AQI
55AQI
20th April 2025
50AQI
50AQI
21st April 2025
43AQI
43AQI
22nd April 2025
40AQI
40AQI
23rd April 2025
27AQI
27AQI
24th April 2025
37AQI
37AQI
25th April 2025
51AQI
51AQI
26th April 2025
49AQI
49AQI
27th April 2025
55AQI
55AQI
28th April 2025
48AQI
48AQI
29th April 2025
50AQI
50AQI
30th April 2025
54AQI
54AQI
1st May 2025
50AQI
50AQI
2nd May 2025
41AQI
41AQI
3rd May 2025
50AQI
50AQI
4th May 2025
40AQI
40AQI
5th May 2025
43AQI
43AQI
6th May 2025
33AQI
33AQI
7th May 2025
37AQI
37AQI
8th May 2025
41AQI
41AQI
9th May 2025
32AQI
32AQI
10th May 2025
38AQI
38AQI
11th May 2025
42AQI
42AQI
12th May 2025
52AQI
52AQI
13th May 2025
54AQI
54AQI
14th May 2025
62AQI
62AQI
15th May 2025
59AQI
59AQI
16th May 2025
60AQI
60AQI
17th May 2025
40AQI
40AQI
18th May 2025
50AQI
50AQI
19th May 2025
56AQI
56AQI
20th May 2025
51AQI
51AQI
21st May 2025
39AQI
39AQI
22nd May 2025
37AQI
37AQI
23rd May 2025
44AQI
44AQI
24th May 2025
28AQI
28AQI
25th May 2025
30AQI
30AQI
26th May 2025
33AQI
33AQI
27th May 2025
44AQI
44AQI
28th May 2025
45AQI
45AQI
29th May 2025
47AQI
47AQI
30th May 2025
45AQI
45AQI
31st May 2025
43AQI
43AQI
1st June 2025
49AQI
49AQI
2nd June 2025
53AQI
53AQI
3rd June 2025
32AQI
32AQI
4th June 2025
48AQI
48AQI
5th June 2025
47AQI
47AQI
6th June 2025
60AQI
60AQI
7th June 2025
67AQI
67AQI
8th June 2025
70AQI
70AQI
9th June 2025
39AQI
39AQI
10th June 2025
33AQI
33AQI
11th June 2025
47AQI
47AQI
12th June 2025
43AQI
43AQI
13th June 2025
43AQI
43AQI
14th June 2025
30AQI
30AQI
15th June 2025
28AQI
28AQI
16th June 2025
29AQI
29AQI
17th June 2025
35AQI
35AQI
18th June 2025
39AQI
39AQI
19th June 2025
44AQI
44AQI
20th June 2025
50AQI
50AQI
21st June 2025
39AQI
39AQI
22nd June 2025
29AQI
29AQI
23rd June 2025
26AQI
26AQI
24th June 2025
29AQI
29AQI
25th June 2025
34AQI
34AQI
26th June 2025
35AQI
35AQI
27th June 2025
37AQI
37AQI
28th June 2025
40AQI
40AQI
29th June 2025
48AQI
48AQI
30th June 2025
58AQI
58AQI
1st July 2025
73AQI
73AQI
2nd July 2025
97AQI
97AQI
3rd July 2025
92AQI
92AQI
4th July 2025
96AQI
96AQI
5th July 2025
77AQI
77AQI
6th July 2025
59AQI
59AQI
7th July 2025
58AQI
58AQI
8th July 2025
63AQI
63AQI
9th July 2025
73AQI
73AQI
10th July 2025
63AQI
63AQI
11th July 2025
46AQI
46AQI
12th July 2025
47AQI
47AQI
13th July 2025
41AQI
41AQI
14th July 2025
39AQI
39AQI
15th July 2025
48AQI
48AQI
16th July 2025
60AQI
60AQI
17th July 2025
59AQI
59AQI
18th July 2025
37AQI
37AQI
19th July 2025
36AQI
36AQI
20th July 2025
32AQI
32AQI
21st July 2025
33AQI
33AQI
22nd July 2025
39AQI
39AQI
23rd July 2025
35AQI
35AQI
24th July 2025
28AQI
28AQI
25th July 2025
25AQI
25AQI
26th July 2025
23AQI
23AQI
27th July 2025
22AQI
22AQI
28th July 2025
24AQI
24AQI
29th July 2025
26AQI
26AQI
30th July 2025
25AQI
25AQI
31st July 2025
29AQI
29AQI
1st August 2025
44AQI
44AQI
2nd August 2025
47AQI
47AQI
3rd August 2025
49AQI
49AQI
4th August 2025
47AQI
47AQI
5th August 2025
45AQI
45AQI
6th August 2025
44AQI
44AQI
7th August 2025
45AQI
45AQI
8th August 2025
43AQI
43AQI
9th August 2025
40AQI
40AQI
10th August 2025
37AQI
37AQI
11th August 2025
30AQI
30AQI
12th August 2025
35AQI
35AQI
13th August 2025
37AQI
37AQI
14th August 2025
43AQI
43AQI
15th August 2025
46AQI
46AQI
16th August 2025
44AQI
44AQI
17th August 2025
42AQI
42AQI
18th August 2025
46AQI
46AQI
19th August 2025
49AQI
49AQI
20th August 2025
40AQI
40AQI
21st August 2025
37AQI
37AQI
22nd August 2025
44AQI
44AQI
23rd August 2025
43AQI
43AQI
24th August 2025
42AQI
42AQI
25th August 2025
43AQI
43AQI
26th August 2025
39AQI
39AQI
27th August 2025
41AQI
41AQI
28th August 2025
45AQI
45AQI
29th August 2025
48AQI
48AQI
30th August 2025
49AQI
49AQI
31st August 2025
46AQI
46AQI
1st September 2025
39AQI
39AQI
2nd September 2025
42AQI
42AQI
3rd September 2025
38AQI
38AQI
4th September 2025
25AQI
25AQI
5th September 2025
23AQI
23AQI
6th September 2025
30AQI
30AQI
7th September 2025
36AQI
36AQI
8th September 2025
29AQI
29AQI
9th September 2025
30AQI
30AQI
10th September 2025
28AQI
28AQI
11th September 2025
32AQI
32AQI
12th September 2025
30AQI
30AQI
13th September 2025
31AQI
31AQI
14th September 2025
30AQI
30AQI
15th September 2025
30AQI
30AQI
16th September 2025
35AQI
35AQI
17th September 2025
30AQI
30AQI
18th September 2025
26AQI
26AQI
19th September 2025
27AQI
27AQI
20th September 2025
34AQI
34AQI
21st September 2025
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
50AQI
44AQI
50AQI
46AQI
44AQI
42AQI
49AQI
43AQI
31AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202545AQI
16
15
24
4
15
16
21
9
24
7
25
5
19
12
31
20
195
68
Highest AQI recorded in
January50AQI
Lowest AQI recorded in
September31AQI
202443AQI
29
2
24
5
24
7
15
15
16
15
19
11
30
1
24
6
22
8
29
2
21
9
29
2
282
83
Highest AQI recorded in
April53AQI
Lowest AQI recorded in
July37AQI
202344AQI
23
7
1
19
9
15
16
12
18
17
14
19
11
26
4
31
29
1
23
8
21
8
26
5
261
101
1
Highest AQI recorded in
April53AQI
Lowest AQI recorded in
August32AQI
202248AQI
16
15
16
5
17
14
18
12
11
20
22
8
20
3
1
26
2
18
13
21
9
21
10
206
112
Highest AQI recorded in
May57AQI
Lowest AQI recorded in
September39AQI
202146AQI
15
16
13
15
14
15
16
5
18
13
16
14
28
3
29
2
25
5
20
11
19
11
19
12
232
122
Highest AQI recorded in
February54AQI
Lowest AQI recorded in
August32AQI
202049AQI
3
9
1
3
18
8
10
16
14
30
1
17
10
3
15
4
20
11
18
12
16
15
146
104
4
Highest AQI recorded in
March68AQI
Lowest AQI recorded in
July32AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
49AQILeast Polluted Year Recorded
2024(Avg.)
43AQITsukawaki's annual 2025 AQI (45) shows an average percentage change of -2.04% (improved AQI) compared to previous years: 2020 (49), 2021 (46), 2022 (48), 2023 (44), 2024 (43).
