Oita, 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+
August Air Quality Analysis
Oita, Oita, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
5th Aug 2024
71AQILowest AQI recorded on
3rd Aug 2022
14AQISame Day Analysis (20th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 49 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 21st Aug - 22nd Aug 2025
Oita, Oita, Japan
AQI
Day
Night
.
5 AM21st Aug 2025
7 PM
4 AM22nd Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
3PM21st Aug
57AQI
Avg. Lowest Time
11AM21st Aug
25AQI
In the last 24 hours,
Oita's AQI reached its highest point of 57 at 3 PM during the Night, while the lowest point, 25, was recorded at 11 AM during the Night between 21st Aug and 22nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Oita, Oita, Japan
JulAug
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 Jul 2025335 AMAQI
23rd Jul 2025326 AMAQI
23rd Jul 2025337 AMAQI
23rd Jul 2025328 AMAQI
23rd Jul 2025229 AMAQI
23rd Jul 20252010 AMAQI
23rd Jul 20252311 AMAQI
23rd Jul 20252812 PMAQI
23rd Jul 2025271 PMAQI
23rd Jul 2025232 PMAQI
23rd Jul 2025223 PMAQI
23rd Jul 2025244 PMAQI
23rd Jul 2025245 PMAQI
23rd Jul 2025246 PMAQI
23rd Jul 2025277 PMAQI
23rd Jul 2025288 PMAQI
23rd Jul 2025299 PMAQI
23rd Jul 20252810 PMAQI
23rd Jul 20252711 PMAQI
24th Jul 20252612 AMAQI
24th Jul 2025281 AMAQI
24th Jul 2025322 AMAQI
24th Jul 2025333 AMAQI
24th Jul 2025324 AMAQI
26°C20/32°C
24th Jul 2025315 AMAQI
24th Jul 2025316 AMAQI
24th Jul 2025317 AMAQI
24th Jul 2025318 AMAQI
24th Jul 2025239 AMAQI
24th Jul 20252210 AMAQI
24th Jul 20252011 AMAQI
24th Jul 20252212 PMAQI
24th Jul 2025261 PMAQI
24th Jul 2025232 PMAQI
24th Jul 2025233 PMAQI
24th Jul 2025194 PMAQI
24th Jul 2025195 PMAQI
24th Jul 2025176 PMAQI
24th Jul 2025187 PMAQI
24th Jul 2025198 PMAQI
24th Jul 2025239 PMAQI
24th Jul 20252410 PMAQI
24th Jul 20252411 PMAQI
25th Jul 20252412 AMAQI
25th Jul 2025261 AMAQI
25th Jul 2025302 AMAQI
25th Jul 2025313 AMAQI
25th Jul 2025304 AMAQI
27°C22/32°C
25th Jul 2025285 AMAQI
25th Jul 2025286 AMAQI
25th Jul 2025297 AMAQI
25th Jul 2025298 AMAQI
25th Jul 2025199 AMAQI
25th Jul 20251710 AMAQI
25th Jul 20251611 AMAQI
25th Jul 20251612 PMAQI
25th Jul 2025181 PMAQI
25th Jul 2025202 PMAQI
25th Jul 2025193 PMAQI
25th Jul 2025204 PMAQI
25th Jul 2025175 PMAQI
25th Jul 2025166 PMAQI
25th Jul 2025177 PMAQI
25th Jul 2025218 PMAQI
25th Jul 2025229 PMAQI
25th Jul 20252210 PMAQI
25th Jul 20252211 PMAQI
26th Jul 20252212 AMAQI
26th Jul 2025241 AMAQI
26th Jul 2025282 AMAQI
26th Jul 2025283 AMAQI
26th Jul 2025274 AMAQI
26°C23/30°C
26th Jul 2025275 AMAQI
26th Jul 2025266 AMAQI
26th Jul 2025267 AMAQI
26th Jul 2025268 AMAQI
26th Jul 2025169 AMAQI
26th Jul 20251410 AMAQI
26th Jul 20251711 AMAQI
26th Jul 20251612 PMAQI
26th Jul 2025161 PMAQI
26th Jul 2025172 PMAQI
26th Jul 2025183 PMAQI
26th Jul 2025194 PMAQI
26th Jul 2025175 PMAQI
26th Jul 2025176 PMAQI
26th Jul 2025187 PMAQI
26th Jul 2025208 PMAQI
26th Jul 2025239 PMAQI
26th Jul 20252310 PMAQI
26th Jul 20252211 PMAQI
27th Jul 20252212 AMAQI
27th Jul 2025241 AMAQI
27th Jul 2025262 AMAQI
27th Jul 2025273 AMAQI
27th Jul 2025264 AMAQI
26°C24/28°C
27th Jul 2025245 AMAQI
27th Jul 2025256 AMAQI
27th Jul 2025247 AMAQI
27th Jul 2025248 AMAQI
27th Jul 2025209 AMAQI
27th Jul 20251810 AMAQI
27th Jul 20251811 AMAQI
27th Jul 20251812 PMAQI
27th Jul 2025171 PMAQI
27th Jul 2025192 PMAQI
27th Jul 2025173 PMAQI
27th Jul 2025184 PMAQI
27th Jul 2025195 PMAQI
27th Jul 2025186 PMAQI
27th Jul 2025187 PMAQI
27th Jul 2025208 PMAQI
27th Jul 2025229 PMAQI
27th Jul 20252210 PMAQI
27th Jul 20252111 PMAQI
28th Jul 20252112 AMAQI
28th Jul 2025231 AMAQI
28th Jul 2025252 AMAQI
28th Jul 2025263 AMAQI
28th Jul 2025254 AMAQI
26°C23/29°C
28th Jul 2025245 AMAQI
28th Jul 2025236 AMAQI
28th Jul 2025237 AMAQI
28th Jul 2025238 AMAQI
28th Jul 2025199 AMAQI
28th Jul 20251910 AMAQI
28th Jul 20252011 AMAQI
28th Jul 20252212 PMAQI
28th Jul 2025241 PMAQI
28th Jul 2025222 PMAQI
28th Jul 2025203 PMAQI
28th Jul 2025224 PMAQI
28th Jul 2025265 PMAQI
28th Jul 2025246 PMAQI
28th Jul 2025257 PMAQI
28th Jul 2025238 PMAQI
28th Jul 2025209 PMAQI
28th Jul 20252010 PMAQI
28th Jul 20252011 PMAQI
29th Jul 20252012 AMAQI
29th Jul 2025201 AMAQI
29th Jul 2025232 AMAQI
29th Jul 2025243 AMAQI
29th Jul 2025244 AMAQI
26°C22/32°C
29th Jul 2025225 AMAQI
29th Jul 2025236 AMAQI
29th Jul 2025237 AMAQI
29th Jul 2025238 AMAQI
29th Jul 2025199 AMAQI
29th Jul 20252210 AMAQI
29th Jul 20252111 AMAQI
29th Jul 20251912 PMAQI
29th Jul 2025251 PMAQI
29th Jul 2025352 PMAQI
29th Jul 2025343 PMAQI
29th Jul 2025274 PMAQI
29th Jul 2025245 PMAQI
29th Jul 2025236 PMAQI
29th Jul 2025207 PMAQI
29th Jul 2025218 PMAQI
29th Jul 2025209 PMAQI
29th Jul 20252210 PMAQI
29th Jul 20252411 PMAQI
30th Jul 20252512 AMAQI
30th Jul 2025241 AMAQI
30th Jul 2025232 AMAQI
30th Jul 2025233 AMAQI
30th Jul 2025234 AMAQI
26°C21/32°C
30th Jul 2025235 AMAQI
30th Jul 2025236 AMAQI
30th Jul 2025237 AMAQI
30th Jul 2025238 AMAQI
30th Jul 2025229 AMAQI
30th Jul 20252010 AMAQI
30th Jul 20252211 AMAQI
30th Jul 20252212 PMAQI
30th Jul 2025231 PMAQI
30th Jul 2025222 PMAQI
30th Jul 2025203 PMAQI
30th Jul 2025194 PMAQI
30th Jul 2025205 PMAQI
30th Jul 2025196 PMAQI
30th Jul 2025187 PMAQI
30th Jul 2025198 PMAQI
30th Jul 2025229 PMAQI
30th Jul 20252310 PMAQI
30th Jul 20252411 PMAQI
31st Jul 20252212 AMAQI
31st Jul 2025221 AMAQI
31st Jul 2025232 AMAQI
31st Jul 2025233 AMAQI
31st Jul 2025234 AMAQI
25°C20/32°C
31st Jul 2025245 AMAQI
31st Jul 2025246 AMAQI
31st Jul 2025247 AMAQI
31st Jul 2025248 AMAQI
31st Jul 2025249 AMAQI
31st Jul 20252410 AMAQI
31st Jul 20252611 AMAQI
31st Jul 20253212 PMAQI
31st Jul 2025341 PMAQI
31st Jul 2025342 PMAQI
31st Jul 2025373 PMAQI
31st Jul 2025424 PMAQI
31st Jul 2025385 PMAQI
31st Jul 2025366 PMAQI
31st Jul 2025367 PMAQI
31st Jul 2025328 PMAQI
31st Jul 2025389 PMAQI
31st Jul 20253910 PMAQI
31st Jul 20253211 PMAQI
1st Aug 20253112 AMAQI
1st Aug 2025291 AMAQI
1st Aug 2025282 AMAQI
1st Aug 2025283 AMAQI
1st Aug 2025274 AMAQI
26°C20/33°C
1st Aug 2025285 AMAQI
1st Aug 2025286 AMAQI
1st Aug 2025327 AMAQI
1st Aug 2025308 AMAQI
1st Aug 2025479 AMAQI
1st Aug 20254710 AMAQI
1st Aug 20255111 AMAQI
1st Aug 20255212 PMAQI
1st Aug 2025521 PMAQI
1st Aug 2025532 PMAQI
1st Aug 2025563 PMAQI
1st Aug 2025544 PMAQI
1st Aug 2025555 PMAQI
1st Aug 2025546 PMAQI
1st Aug 2025507 PMAQI
1st Aug 2025438 PMAQI
1st Aug 2025449 PMAQI
1st Aug 20254010 PMAQI
1st Aug 20254111 PMAQI
2nd Aug 20253812 AMAQI
2nd Aug 2025421 AMAQI
2nd Aug 2025342 AMAQI
2nd Aug 2025293 AMAQI
2nd Aug 2025334 AMAQI
27°C22/33°C
2nd Aug 2025375 AMAQI
2nd Aug 2025366 AMAQI
2nd Aug 2025367 AMAQI
2nd Aug 2025368 AMAQI
2nd Aug 2025579 AMAQI
2nd Aug 20255510 AMAQI
2nd Aug 20255811 AMAQI
2nd Aug 20255912 PMAQI
2nd Aug 2025601 PMAQI
2nd Aug 2025582 PMAQI
2nd Aug 2025593 PMAQI
2nd Aug 2025584 PMAQI
2nd Aug 2025605 PMAQI
2nd Aug 2025566 PMAQI
2nd Aug 2025547 PMAQI
2nd Aug 2025528 PMAQI
2nd Aug 2025509 PMAQI
2nd Aug 20254910 PMAQI
2nd Aug 20255011 PMAQI
3rd Aug 20254512 AMAQI
3rd Aug 2025421 AMAQI
3rd Aug 2025382 AMAQI
3rd Aug 2025373 AMAQI
3rd Aug 2025404 AMAQI
28°C23/34°C
3rd Aug 2025455 AMAQI
3rd Aug 2025426 AMAQI
3rd Aug 2025447 AMAQI
3rd Aug 2025438 AMAQI
3rd Aug 2025519 AMAQI
3rd Aug 20255010 AMAQI
3rd Aug 20255611 AMAQI
3rd Aug 20256212 PMAQI
3rd Aug 2025621 PMAQI
3rd Aug 2025592 PMAQI
3rd Aug 2025603 PMAQI
3rd Aug 2025594 PMAQI
3rd Aug 2025535 PMAQI
3rd Aug 2025526 PMAQI
3rd Aug 2025517 PMAQI
3rd Aug 2025508 PMAQI
3rd Aug 2025509 PMAQI
3rd Aug 20255210 PMAQI
3rd Aug 20255111 PMAQI
4th Aug 20255112 AMAQI
4th Aug 2025431 AMAQI
4th Aug 2025422 AMAQI
4th Aug 2025413 AMAQI
4th Aug 2025464 AMAQI
28°C23/33°C
4th Aug 2025485 AMAQI
4th Aug 2025496 AMAQI
4th Aug 2025487 AMAQI
4th Aug 2025498 AMAQI
4th Aug 2025589 AMAQI
4th Aug 20255610 AMAQI
4th Aug 20255711 AMAQI
4th Aug 20255912 PMAQI
4th Aug 2025551 PMAQI
4th Aug 2025492 PMAQI
4th Aug 2025443 PMAQI
4th Aug 2025394 PMAQI
4th Aug 2025545 PMAQI
4th Aug 2025546 PMAQI
4th Aug 2025537 PMAQI
4th Aug 2025558 PMAQI
4th Aug 2025529 PMAQI
4th Aug 20254810 PMAQI
4th Aug 20254911 PMAQI
5th Aug 20254812 AMAQI
5th Aug 2025511 AMAQI
5th Aug 2025472 AMAQI
5th Aug 2025433 AMAQI
5th Aug 2025484 AMAQI
28°C23/33°C
5th Aug 2025485 AMAQI
5th Aug 2025516 AMAQI
5th Aug 2025517 AMAQI
5th Aug 2025498 AMAQI
5th Aug 2025459 AMAQI
5th Aug 20255310 AMAQI
5th Aug 20255211 AMAQI
5th Aug 20254812 PMAQI
5th Aug 2025541 PMAQI
5th Aug 2025542 PMAQI
5th Aug 2025483 PMAQI
5th Aug 2025534 PMAQI
5th Aug 2025495 PMAQI
5th Aug 2025526 PMAQI
5th Aug 2025497 PMAQI
5th Aug 2025518 PMAQI
5th Aug 2025489 PMAQI
5th Aug 20254810 PMAQI
5th Aug 20254711 PMAQI
6th Aug 20254812 AMAQI
6th Aug 2025511 AMAQI
6th Aug 2025512 AMAQI
6th Aug 2025493 AMAQI
6th Aug 2025514 AMAQI
28°C24/35°C
6th Aug 2025505 AMAQI
6th Aug 2025516 AMAQI
6th Aug 2025517 AMAQI
6th Aug 2025518 AMAQI
6th Aug 2025409 AMAQI
6th Aug 20253610 AMAQI
6th Aug 20254811 AMAQI
6th Aug 20254812 PMAQI
6th Aug 2025401 PMAQI
6th Aug 2025392 PMAQI
6th Aug 2025403 PMAQI
6th Aug 2025434 PMAQI
6th Aug 2025475 PMAQI
6th Aug 2025466 PMAQI
6th Aug 2025477 PMAQI
6th Aug 2025498 PMAQI
6th Aug 2025489 PMAQI
6th Aug 20254810 PMAQI
6th Aug 20254711 PMAQI
7th Aug 20254612 AMAQI
7th Aug 2025451 AMAQI
7th Aug 2025492 AMAQI
7th Aug 2025493 AMAQI
7th Aug 2025494 AMAQI
29°C24/35°C
7th Aug 2025505 AMAQI
7th Aug 2025496 AMAQI
7th Aug 2025507 AMAQI
7th Aug 2025508 AMAQI
7th Aug 2025419 AMAQI
7th Aug 20254010 AMAQI
7th Aug 20254811 AMAQI
7th Aug 20255112 PMAQI
7th Aug 2025541 PMAQI
7th Aug 2025442 PMAQI
7th Aug 2025323 PMAQI
7th Aug 2025304 PMAQI
7th Aug 2025265 PMAQI
7th Aug 2025256 PMAQI
7th Aug 2025317 PMAQI
7th Aug 2025358 PMAQI
7th Aug 2025449 PMAQI
7th Aug 20254710 PMAQI
7th Aug 20254511 PMAQI
8th Aug 20254612 AMAQI
8th Aug 2025471 AMAQI
8th Aug 2025492 AMAQI
8th Aug 2025493 AMAQI
8th Aug 2025494 AMAQI
27°C23/31°C
8th Aug 2025485 AMAQI
8th Aug 2025496 AMAQI
8th Aug 2025497 AMAQI
8th Aug 2025498 AMAQI
8th Aug 2025479 AMAQI
8th Aug 20254410 AMAQI
8th Aug 20254111 AMAQI
8th Aug 20253812 PMAQI
8th Aug 2025401 PMAQI
8th Aug 2025402 PMAQI
8th Aug 2025373 PMAQI
8th Aug 2025374 PMAQI
8th Aug 2025395 PMAQI
8th Aug 2025426 PMAQI
8th Aug 2025447 PMAQI
8th Aug 2025438 PMAQI
8th Aug 2025459 PMAQI
8th Aug 20254410 PMAQI
8th Aug 20254511 PMAQI
9th Aug 20254412 AMAQI
9th Aug 2025451 AMAQI
9th Aug 2025502 AMAQI
9th Aug 2025503 AMAQI
9th Aug 2025494 AMAQI
27°C22/33°C
9th Aug 2025485 AMAQI
9th Aug 2025486 AMAQI
9th Aug 2025487 AMAQI
9th Aug 2025488 AMAQI
9th Aug 2025379 AMAQI
9th Aug 20253110 AMAQI
9th Aug 20253011 AMAQI
9th Aug 20252912 PMAQI
9th Aug 2025281 PMAQI
9th Aug 2025282 PMAQI
9th Aug 2025303 PMAQI
9th Aug 2025304 PMAQI
9th Aug 2025305 PMAQI
9th Aug 2025296 PMAQI
9th Aug 2025307 PMAQI
9th Aug 2025348 PMAQI
9th Aug 2025419 PMAQI
9th Aug 20254210 PMAQI
9th Aug 20254211 PMAQI
10th Aug 20254012 AMAQI
10th Aug 2025421 AMAQI
10th Aug 2025482 AMAQI
10th Aug 2025483 AMAQI
10th Aug 2025474 AMAQI
22°C21/23°C
10th Aug 2025455 AMAQI
10th Aug 2025456 AMAQI
10th Aug 2025457 AMAQI
10th Aug 2025458 AMAQI
10th Aug 2025389 AMAQI
10th Aug 20253110 AMAQI
10th Aug 20253211 AMAQI
10th Aug 20253312 PMAQI
10th Aug 2025331 PMAQI
10th Aug 2025342 PMAQI
10th Aug 2025283 PMAQI
10th Aug 2025264 PMAQI
10th Aug 2025325 PMAQI
10th Aug 2025356 PMAQI
10th Aug 2025327 PMAQI
10th Aug 2025348 PMAQI
10th Aug 2025399 PMAQI
10th Aug 20253910 PMAQI
10th Aug 20253611 PMAQI
11th Aug 20253312 AMAQI
11th Aug 2025351 AMAQI
11th Aug 2025432 AMAQI
11th Aug 2025453 AMAQI
11th Aug 2025444 AMAQI
24°C23/24°C
11th Aug 2025435 AMAQI
11th Aug 2025436 AMAQI
11th Aug 2025437 AMAQI
11th Aug 2025428 AMAQI
11th Aug 2025209 AMAQI
11th Aug 20251210 AMAQI
11th Aug 20251211 AMAQI
11th Aug 20251312 PMAQI
11th Aug 2025161 PMAQI
11th Aug 2025162 PMAQI
11th Aug 2025203 PMAQI
11th Aug 2025254 PMAQI
11th Aug 2025255 PMAQI
11th Aug 2025246 PMAQI
11th Aug 2025247 PMAQI
11th Aug 2025298 PMAQI
11th Aug 2025329 PMAQI
11th Aug 20253310 PMAQI
11th Aug 20253211 PMAQI
12th Aug 20253612 AMAQI
12th Aug 2025381 AMAQI
12th Aug 2025402 AMAQI
12th Aug 2025393 AMAQI
12th Aug 2025364 AMAQI
24°C23/24°C
12th Aug 2025355 AMAQI
12th Aug 2025366 AMAQI
12th Aug 2025357 AMAQI
12th Aug 2025338 AMAQI
12th Aug 2025249 AMAQI
12th Aug 20252510 AMAQI
12th Aug 20253011 AMAQI
12th Aug 20254012 PMAQI
12th Aug 2025301 PMAQI
12th Aug 2025402 PMAQI
12th Aug 2025403 PMAQI
12th Aug 2025474 PMAQI
12th Aug 2025405 PMAQI
12th Aug 2025456 PMAQI
12th Aug 2025407 PMAQI
12th Aug 2025408 PMAQI
12th Aug 2025429 PMAQI
12th Aug 20253910 PMAQI
12th Aug 20253411 PMAQI
13th Aug 20253512 AMAQI
13th Aug 2025351 AMAQI
13th Aug 2025372 AMAQI
13th Aug 2025373 AMAQI
13th Aug 2025364 AMAQI
26°C23/31°C
13th Aug 2025365 AMAQI
13th Aug 2025366 AMAQI
13th Aug 2025367 AMAQI
13th Aug 2025358 AMAQI
13th Aug 2025409 AMAQI
13th Aug 20254510 AMAQI
13th Aug 20255411 AMAQI
13th Aug 20255312 PMAQI
13th Aug 2025541 PMAQI
13th Aug 2025552 PMAQI
13th Aug 2025583 PMAQI
13th Aug 2025564 PMAQI
13th Aug 2025535 PMAQI
13th Aug 2025436 PMAQI
13th Aug 2025447 PMAQI
13th Aug 2025358 PMAQI
13th Aug 2025409 PMAQI
13th Aug 20253810 PMAQI
13th Aug 20253511 PMAQI
14th Aug 20254612 AMAQI
14th Aug 2025401 AMAQI
14th Aug 2025372 AMAQI
14th Aug 2025373 AMAQI
14th Aug 2025394 AMAQI
26°C23/31°C
14th Aug 2025395 AMAQI
14th Aug 2025406 AMAQI
14th Aug 2025397 AMAQI
14th Aug 2025398 AMAQI
14th Aug 2025389 AMAQI
14th Aug 20254810 AMAQI
14th Aug 20255011 AMAQI
14th Aug 20255112 PMAQI
14th Aug 2025541 PMAQI
14th Aug 2025572 PMAQI
14th Aug 2025543 PMAQI
14th Aug 2025494 PMAQI
14th Aug 2025465 PMAQI
14th Aug 2025506 PMAQI
14th Aug 2025507 PMAQI
14th Aug 2025508 PMAQI
14th Aug 2025479 PMAQI
14th Aug 20254910 PMAQI
14th Aug 20255211 PMAQI
15th Aug 20255112 AMAQI
15th Aug 2025431 AMAQI
15th Aug 2025382 AMAQI
15th Aug 2025383 AMAQI
15th Aug 2025414 AMAQI
26°C23/31°C
15th Aug 2025415 AMAQI
15th Aug 2025416 AMAQI
15th Aug 2025417 AMAQI
15th Aug 2025418 AMAQI
15th Aug 2025509 AMAQI
15th Aug 20255410 AMAQI
15th Aug 20254811 AMAQI
15th Aug 20254912 PMAQI
15th Aug 2025521 PMAQI
15th Aug 2025502 PMAQI
15th Aug 2025543 PMAQI
15th Aug 2025514 PMAQI
15th Aug 2025425 PMAQI
15th Aug 2025416 PMAQI
15th Aug 2025487 PMAQI
15th Aug 2025448 PMAQI
15th Aug 2025439 PMAQI
15th Aug 20254310 PMAQI
15th Aug 20254111 PMAQI
16th Aug 20254112 AMAQI
16th Aug 2025401 AMAQI
16th Aug 2025402 AMAQI
16th Aug 2025403 AMAQI
16th Aug 2025424 AMAQI
27°C23/32°C
16th Aug 2025435 AMAQI
16th Aug 2025426 AMAQI
16th Aug 2025437 AMAQI
16th Aug 2025438 AMAQI
16th Aug 2025369 AMAQI
16th Aug 20254010 AMAQI
16th Aug 20254511 AMAQI
16th Aug 20254612 PMAQI
16th Aug 2025491 PMAQI
16th Aug 2025502 PMAQI
16th Aug 2025513 PMAQI
16th Aug 2025494 PMAQI
16th Aug 2025505 PMAQI
16th Aug 2025496 PMAQI
16th Aug 2025507 PMAQI
16th Aug 2025458 PMAQI
16th Aug 2025439 PMAQI
16th Aug 20254310 PMAQI
16th Aug 20254711 PMAQI
17th Aug 20254712 AMAQI
17th Aug 2025451 AMAQI
17th Aug 2025412 AMAQI
17th Aug 2025393 AMAQI
17th Aug 2025414 AMAQI
27°C24/32°C
17th Aug 2025425 AMAQI
17th Aug 2025426 AMAQI
17th Aug 2025427 AMAQI
17th Aug 2025428 AMAQI
17th Aug 2025469 AMAQI
17th Aug 20254510 AMAQI
17th Aug 20255211 AMAQI
17th Aug 20255512 PMAQI
17th Aug 2025511 PMAQI
17th Aug 2025512 PMAQI
17th Aug 2025523 PMAQI
17th Aug 2025464 PMAQI
17th Aug 2025475 PMAQI
17th Aug 2025476 PMAQI
17th Aug 2025427 PMAQI
17th Aug 2025378 PMAQI
17th Aug 2025389 PMAQI
17th Aug 20253810 PMAQI
17th Aug 20253611 PMAQI
18th Aug 20253912 AMAQI
18th Aug 2025401 AMAQI
18th Aug 2025412 AMAQI
18th Aug 2025403 AMAQI
18th Aug 2025424 AMAQI
26°C23/31°C
18th Aug 2025425 AMAQI
18th Aug 2025426 AMAQI
18th Aug 2025427 AMAQI
18th Aug 2025448 AMAQI
18th Aug 2025449 AMAQI
18th Aug 20254810 AMAQI
18th Aug 20255211 AMAQI
18th Aug 20254812 PMAQI
18th Aug 2025591 PMAQI
18th Aug 2025592 PMAQI
18th Aug 2025573 PMAQI
18th Aug 2025584 PMAQI
18th Aug 2025545 PMAQI
18th Aug 2025576 PMAQI
18th Aug 2025557 PMAQI
18th Aug 2025468 PMAQI
18th Aug 2025419 PMAQI
18th Aug 20254710 PMAQI
18th Aug 20254811 PMAQI
19th Aug 20255512 AMAQI
19th Aug 2025431 AMAQI
19th Aug 2025432 AMAQI
19th Aug 2025413 AMAQI
19th Aug 2025434 AMAQI
26°C22/31°C
19th Aug 2025455 AMAQI
19th Aug 2025456 AMAQI
19th Aug 2025447 AMAQI
19th Aug 2025458 AMAQI
19th Aug 2025509 AMAQI
19th Aug 20255710 AMAQI
19th Aug 20255711 AMAQI
19th Aug 20256112 PMAQI
19th Aug 2025621 PMAQI
19th Aug 2025642 PMAQI
19th Aug 2025593 PMAQI
19th Aug 2025654 PMAQI
19th Aug 2025555 PMAQI
19th Aug 2025646 PMAQI
19th Aug 2025637 PMAQI
19th Aug 2025598 PMAQI
19th Aug 2025519 PMAQI
19th Aug 20255510 PMAQI
19th Aug 20255511 PMAQI
20th Aug 20255212 AMAQI
20th Aug 2025521 AMAQI
20th Aug 2025462 AMAQI
20th Aug 2025453 AMAQI
20th Aug 2025504 AMAQI
26°C23/31°C
20th Aug 2025515 AMAQI
20th Aug 2025516 AMAQI
20th Aug 2025517 AMAQI
20th Aug 2025518 AMAQI
20th Aug 2025489 AMAQI
20th Aug 20255410 AMAQI
20th Aug 20255511 AMAQI
20th Aug 20255712 PMAQI
20th Aug 2025541 PMAQI
20th Aug 2025552 PMAQI
20th Aug 2025453 PMAQI
20th Aug 2025544 PMAQI
20th Aug 2025285 PMAQI
20th Aug 2025376 PMAQI
20th Aug 2025397 PMAQI
20th Aug 2025448 PMAQI
20th Aug 2025439 PMAQI
20th Aug 20254210 PMAQI
20th Aug 20253911 PMAQI
21st Aug 20254212 AMAQI
21st Aug 2025451 AMAQI
21st Aug 2025492 AMAQI
21st Aug 2025503 AMAQI
21st Aug 2025504 AMAQI
26°C22/31°C
21st Aug 2025505 AMAQI
21st Aug 2025516 AMAQI
21st Aug 2025517 AMAQI
21st Aug 2025518 AMAQI
21st Aug 2025269 AMAQI
21st Aug 20252610 AMAQI
21st Aug 20252511 AMAQI
21st Aug 20253912 PMAQI
21st Aug 2025451 PMAQI
21st Aug 2025492 PMAQI
21st Aug 2025573 PMAQI
21st Aug 2025494 PMAQI
21st Aug 2025445 PMAQI
21st Aug 2025366 PMAQI
21st Aug 2025377 PMAQI
21st Aug 2025398 PMAQI
21st Aug 2025389 PMAQI
21st Aug 20254110 PMAQI
21st Aug 20254011 PMAQI
22nd Aug 20254012 AMAQI
22nd Aug 2025451 AMAQI
22nd Aug 2025492 AMAQI
22nd Aug 2025483 AMAQI
22nd Aug 2025484 AMAQI
--°C/°C
22nd Aug 2025495 AMAQI
5 AM22nd Aug 2025476 AMAQI
22nd Aug 2025497 AMAQI
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
12 PM - 4 PM
40AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
9 AM - 10 AM
36AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 4 PM (Avg. 40), while the lowest AQI was between 9 AM to 10 AM (Avg. 36).
Night time
Avg. Highest Time
12 AM - 4 AM
38AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
12 AM - 11 PM
38AQI
9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 38), while the lowest AQI was between 12 AM to 11 PM (Avg. 38).
2025 Days Vs Air Quality
Oita, Oita, Japan
2025
74%
171
26%
60
0.4%
1
Total number of days with different AQI categories in last 233 days in 2025 (132 days remaining)
Good
171 DaysModerate
60 DaysPoor
1 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 74%
Health Risk Level:
Low
In 2025, 74% of 233 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
Oita, 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
34AQI
34AQI
2nd January 2025
40AQI
40AQI
3rd January 2025
36AQI
36AQI
4th January 2025
31AQI
31AQI
5th January 2025
33AQI
33AQI
6th January 2025
42AQI
42AQI
7th January 2025
32AQI
32AQI
8th January 2025
37AQI
37AQI
9th January 2025
30AQI
30AQI
10th January 2025
31AQI
31AQI
11th January 2025
30AQI
30AQI
12th January 2025
33AQI
33AQI
13th January 2025
41AQI
41AQI
14th January 2025
44AQI
44AQI
15th January 2025
42AQI
42AQI
16th January 2025
36AQI
36AQI
17th January 2025
43AQI
43AQI
18th January 2025
36AQI
36AQI
19th January 2025
48AQI
48AQI
20th January 2025
42AQI
42AQI
21st January 2025
64AQI
64AQI
22nd January 2025
69AQI
69AQI
23rd January 2025
70AQI
70AQI
24th January 2025
77AQI
77AQI
25th January 2025
48AQI
48AQI
26th January 2025
46AQI
46AQI
27th January 2025
38AQI
38AQI
28th January 2025
37AQI
37AQI
29th January 2025
33AQI
33AQI
30th January 2025
36AQI
36AQI
31st January 2025
45AQI
45AQI
1st February 2025
50AQI
50AQI
2nd February 2025
35AQI
35AQI
3rd February 2025
47AQI
47AQI
4th February 2025
33AQI
33AQI
5th February 2025
39AQI
39AQI
6th February 2025
33AQI
33AQI
7th February 2025
32AQI
32AQI
8th February 2025
31AQI
31AQI
9th February 2025
31AQI
31AQI
10th February 2025
31AQI
31AQI
11th February 2025
37AQI
37AQI
12th February 2025
36AQI
36AQI
13th February 2025
32AQI
32AQI
14th February 2025
39AQI
39AQI
15th February 2025
32AQI
32AQI
16th February 2025
44AQI
44AQI
17th February 2025
42AQI
42AQI
18th February 2025
38AQI
38AQI
19th February 2025
36AQI
36AQI
20th February 2025
33AQI
33AQI
21st February 2025
35AQI
35AQI
22nd February 2025
38AQI
38AQI
23rd February 2025
36AQI
36AQI
24th February 2025
36AQI
36AQI
25th February 2025
37AQI
37AQI
26th February 2025
41AQI
41AQI
27th February 2025
58AQI
58AQI
28th February 2025
58AQI
58AQI
1st March 2025
81AQI
81AQI
2nd March 2025
73AQI
73AQI
3rd March 2025
51AQI
51AQI
4th March 2025
39AQI
39AQI
5th March 2025
36AQI
36AQI
6th March 2025
37AQI
37AQI
7th March 2025
35AQI
35AQI
8th March 2025
41AQI
41AQI
9th March 2025
42AQI
42AQI
10th March 2025
47AQI
47AQI
11th March 2025
50AQI
50AQI
12th March 2025
54AQI
54AQI
13th March 2025
57AQI
57AQI
14th March 2025
40AQI
40AQI
15th March 2025
39AQI
39AQI
16th March 2025
25AQI
25AQI
17th March 2025
44AQI
44AQI
18th March 2025
33AQI
33AQI
19th March 2025
39AQI
39AQI
20th March 2025
44AQI
44AQI
21st March 2025
55AQI
55AQI
22nd March 2025
59AQI
59AQI
23rd March 2025
65AQI
65AQI
24th March 2025
54AQI
54AQI
25th March 2025
72AQI
72AQI
26th March 2025
68AQI
68AQI
27th March 2025
61AQI
61AQI
28th March 2025
61AQI
61AQI
29th March 2025
50AQI
50AQI
30th March 2025
41AQI
41AQI
31st March 2025
38AQI
38AQI
1st April 2025
43AQI
43AQI
2nd April 2025
35AQI
35AQI
3rd April 2025
32AQI
32AQI
4th April 2025
34AQI
34AQI
5th April 2025
43AQI
43AQI
6th April 2025
46AQI
46AQI
7th April 2025
42AQI
42AQI
8th April 2025
40AQI
40AQI
9th April 2025
56AQI
56AQI
10th April 2025
52AQI
52AQI
11th April 2025
57AQI
57AQI
12th April 2025
56AQI
56AQI
13th April 2025
44AQI
44AQI
14th April 2025
49AQI
49AQI
15th April 2025
30AQI
30AQI
16th April 2025
48AQI
48AQI
17th April 2025
48AQI
48AQI
18th April 2025
59AQI
59AQI
19th April 2025
55AQI
55AQI
20th April 2025
42AQI
42AQI
21st April 2025
49AQI
49AQI
22nd April 2025
39AQI
39AQI
23rd April 2025
30AQI
30AQI
24th April 2025
40AQI
40AQI
25th April 2025
55AQI
55AQI
26th April 2025
51AQI
51AQI
27th April 2025
55AQI
55AQI
28th April 2025
49AQI
49AQI
29th April 2025
50AQI
50AQI
30th April 2025
54AQI
54AQI
1st May 2025
48AQI
48AQI
2nd May 2025
40AQI
40AQI
3rd May 2025
46AQI
46AQI
4th May 2025
39AQI
39AQI
5th May 2025
40AQI
40AQI
6th May 2025
37AQI
37AQI
7th May 2025
35AQI
35AQI
8th May 2025
42AQI
42AQI
9th May 2025
31AQI
31AQI
10th May 2025
36AQI
36AQI
11th May 2025
35AQI
35AQI
12th May 2025
50AQI
50AQI
13th May 2025
55AQI
55AQI
14th May 2025
60AQI
60AQI
15th May 2025
57AQI
57AQI
16th May 2025
54AQI
54AQI
17th May 2025
42AQI
42AQI
18th May 2025
53AQI
53AQI
19th May 2025
57AQI
57AQI
20th May 2025
62AQI
62AQI
21st May 2025
41AQI
41AQI
22nd May 2025
45AQI
45AQI
23rd May 2025
44AQI
44AQI
24th May 2025
37AQI
37AQI
25th May 2025
29AQI
29AQI
26th May 2025
33AQI
33AQI
27th May 2025
42AQI
42AQI
28th May 2025
45AQI
45AQI
29th May 2025
43AQI
43AQI
30th May 2025
43AQI
43AQI
31st May 2025
40AQI
40AQI
1st June 2025
47AQI
47AQI
2nd June 2025
52AQI
52AQI
3rd June 2025
32AQI
32AQI
4th June 2025
45AQI
45AQI
5th June 2025
44AQI
44AQI
6th June 2025
56AQI
56AQI
7th June 2025
59AQI
59AQI
8th June 2025
63AQI
63AQI
9th June 2025
40AQI
40AQI
10th June 2025
36AQI
36AQI
11th June 2025
46AQI
46AQI
12th June 2025
49AQI
49AQI
13th June 2025
47AQI
47AQI
14th June 2025
46AQI
46AQI
15th June 2025
39AQI
39AQI
16th June 2025
32AQI
32AQI
17th June 2025
38AQI
38AQI
18th June 2025
44AQI
44AQI
19th June 2025
47AQI
47AQI
20th June 2025
55AQI
55AQI
21st June 2025
59AQI
59AQI
22nd June 2025
68AQI
68AQI
23rd June 2025
49AQI
49AQI
24th June 2025
49AQI
49AQI
25th June 2025
48AQI
48AQI
26th June 2025
51AQI
51AQI
27th June 2025
55AQI
55AQI
28th June 2025
52AQI
52AQI
29th June 2025
53AQI
53AQI
30th June 2025
57AQI
57AQI
1st July 2025
63AQI
63AQI
2nd July 2025
79AQI
79AQI
3rd July 2025
95AQI
95AQI
4th July 2025
102AQI
102AQI
5th July 2025
97AQI
97AQI
6th July 2025
76AQI
76AQI
7th July 2025
67AQI
67AQI
8th July 2025
70AQI
70AQI
9th July 2025
77AQI
77AQI
10th July 2025
75AQI
75AQI
11th July 2025
49AQI
49AQI
12th July 2025
50AQI
50AQI
13th July 2025
42AQI
42AQI
14th July 2025
39AQI
39AQI
15th July 2025
51AQI
51AQI
16th July 2025
54AQI
54AQI
17th July 2025
41AQI
41AQI
18th July 2025
35AQI
35AQI
19th July 2025
33AQI
33AQI
20th July 2025
30AQI
30AQI
21st July 2025
28AQI
28AQI
22nd July 2025
29AQI
29AQI
23rd July 2025
28AQI
28AQI
24th July 2025
25AQI
25AQI
25th July 2025
23AQI
23AQI
26th July 2025
22AQI
22AQI
27th July 2025
21AQI
21AQI
28th July 2025
23AQI
23AQI
29th July 2025
23AQI
23AQI
30th July 2025
22AQI
22AQI
31st July 2025
30AQI
30AQI
1st August 2025
41AQI
41AQI
2nd August 2025
48AQI
48AQI
3rd August 2025
49AQI
49AQI
4th August 2025
50AQI
50AQI
5th August 2025
49AQI
49AQI
6th August 2025
47AQI
47AQI
7th August 2025
43AQI
43AQI
8th August 2025
45AQI
45AQI
9th August 2025
39AQI
39AQI
10th August 2025
38AQI
38AQI
11th August 2025
30AQI
30AQI
12th August 2025
37AQI
37AQI
13th August 2025
42AQI
42AQI
14th August 2025
46AQI
46AQI
15th August 2025
45AQI
45AQI
16th August 2025
44AQI
44AQI
17th August 2025
44AQI
44AQI
18th August 2025
47AQI
47AQI
19th August 2025
53AQI
53AQI
20th August 2025
49AQI
49AQI
21st August 2025
22nd August 2025
23rd August 2025
24th August 2025
25th August 2025
26th August 2025
27th August 2025
28th August 2025
29th August 2025
30th August 2025
31st August 2025
1st September 2025
2nd September 2025
3rd September 2025
4th September 2025
5th September 2025
6th September 2025
7th September 2025
8th September 2025
9th September 2025
10th September 2025
11th September 2025
12th September 2025
13th September 2025
14th September 2025
15th September 2025
16th September 2025
17th September 2025
18th September 2025
19th September 2025
20th September 2025
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
42AQI
38AQI
49AQI
46AQI
44AQI
49AQI
48AQI
44AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202545AQI
27
4
26
2
18
13
20
10
24
7
18
12
19
11
1
19
1
171
60
1
Highest AQI recorded in
March49AQI
Lowest AQI recorded in
February38AQI
202440AQI
30
1
24
5
27
4
16
14
22
9
21
9
24
7
18
13
22
8
30
1
23
7
31
288
78
Highest AQI recorded in
April52AQI
Lowest AQI recorded in
December33AQI
202344AQI
22
9
23
5
17
14
11
19
20
11
18
12
24
6
29
2
24
6
23
8
20
9
25
6
256
107
Highest AQI recorded in
April53AQI
Lowest AQI recorded in
August31AQI
202245AQI
26
5
18
4
17
14
18
12
12
19
16
14
14
11
2
1
26
3
25
6
18
12
30
1
222
102
Highest AQI recorded in
May57AQI
Lowest AQI recorded in
August30AQI
202142AQI
24
7
21
7
20
9
16
5
20
11
17
13
26
5
29
2
23
7
27
4
18
12
26
5
267
87
Highest AQI recorded in
June50AQI
Lowest AQI recorded in
August36AQI
202044AQI
8
5
13
8
13
5
17
13
28
3
13
16
2
17
2
25
6
27
3
25
6
186
67
2
Highest AQI recorded in
August61AQI
Lowest AQI recorded in
December37AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
45AQILeast Polluted Year Recorded
2024(Avg.)
40AQIOita's annual 2025 AQI (45) shows an average percentage change of 4.9% (worsened AQI) compared to previous years: 2020 (44), 2021 (42), 2022 (45), 2023 (44), 2024 (40).
