Oga, Akita, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
September Air Quality Analysis
Oga, Akita, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
30th Sep 2022
51AQILowest AQI recorded on
5th Sep 2023
13AQISame Day Analysis (29th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 41 of Good air quality, showing improvement over 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 30th Sep - 1st Oct 2025
Oga, Akita, Japan
AQI
Day
Night
.
5 AM30th Sep 2025
5 PM
4 AM1st Oct 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
8PM30th Sep
52AQI
Avg. Lowest Time
6AM30th Sep
28AQI
In the last 24 hours,
Oga's AQI reached its highest point of 52 at 8 PM during the Night, while the lowest point, 28, was recorded at 6 AM during the Night between 30th Sep and 1st Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Oga, Akita, Japan
SepOct
01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st
Day
Night
1st Sep 2025505 AMAQI
1st Sep 2025486 AMAQI
1st Sep 2025497 AMAQI
1st Sep 2025508 AMAQI
1st Sep 2025319 AMAQI
1st Sep 20253110 AMAQI
1st Sep 20254011 AMAQI
1st Sep 20254012 PMAQI
1st Sep 2025431 PMAQI
1st Sep 2025342 PMAQI
1st Sep 2025423 PMAQI
1st Sep 2025514 PMAQI
1st Sep 2025385 PMAQI
1st Sep 2025386 PMAQI
1st Sep 2025447 PMAQI
1st Sep 2025438 PMAQI
1st Sep 2025429 PMAQI
1st Sep 20254510 PMAQI
1st Sep 20254411 PMAQI
2nd Sep 20254712 AMAQI
2nd Sep 2025461 AMAQI
2nd Sep 2025462 AMAQI
2nd Sep 2025463 AMAQI
2nd Sep 2025454 AMAQI
26°C25/29°C
2nd Sep 2025445 AMAQI
2nd Sep 2025466 AMAQI
2nd Sep 2025467 AMAQI
2nd Sep 2025448 AMAQI
2nd Sep 2025249 AMAQI
2nd Sep 20252310 AMAQI
2nd Sep 20254211 AMAQI
2nd Sep 20253012 PMAQI
2nd Sep 2025361 PMAQI
2nd Sep 2025312 PMAQI
2nd Sep 2025263 PMAQI
2nd Sep 2025264 PMAQI
2nd Sep 2025245 PMAQI
2nd Sep 2025266 PMAQI
2nd Sep 2025287 PMAQI
2nd Sep 2025328 PMAQI
2nd Sep 2025369 PMAQI
2nd Sep 20253810 PMAQI
2nd Sep 20253411 PMAQI
3rd Sep 20254012 AMAQI
3rd Sep 2025451 AMAQI
3rd Sep 2025462 AMAQI
3rd Sep 2025463 AMAQI
3rd Sep 2025444 AMAQI
26°C25/28°C
3rd Sep 2025425 AMAQI
3rd Sep 2025436 AMAQI
3rd Sep 2025447 AMAQI
3rd Sep 2025428 AMAQI
3rd Sep 2025229 AMAQI
3rd Sep 20253010 AMAQI
3rd Sep 20253211 AMAQI
3rd Sep 20252212 PMAQI
3rd Sep 2025271 PMAQI
3rd Sep 2025282 PMAQI
3rd Sep 2025313 PMAQI
3rd Sep 2025344 PMAQI
3rd Sep 2025285 PMAQI
3rd Sep 2025286 PMAQI
3rd Sep 2025307 PMAQI
3rd Sep 2025338 PMAQI
3rd Sep 2025329 PMAQI
3rd Sep 20253410 PMAQI
3rd Sep 20253211 PMAQI
4th Sep 20253412 AMAQI
4th Sep 2025441 AMAQI
4th Sep 2025432 AMAQI
4th Sep 2025443 AMAQI
4th Sep 2025414 AMAQI
25°C22/26°C
4th Sep 2025415 AMAQI
4th Sep 2025416 AMAQI
4th Sep 2025407 AMAQI
4th Sep 2025388 AMAQI
4th Sep 2025279 AMAQI
4th Sep 20252310 AMAQI
4th Sep 20252411 AMAQI
4th Sep 20252912 PMAQI
4th Sep 2025221 PMAQI
4th Sep 2025222 PMAQI
4th Sep 2025243 PMAQI
4th Sep 2025294 PMAQI
4th Sep 2025315 PMAQI
4th Sep 2025336 PMAQI
4th Sep 2025317 PMAQI
4th Sep 2025288 PMAQI
4th Sep 2025289 PMAQI
4th Sep 20254310 PMAQI
4th Sep 20254411 PMAQI
5th Sep 20254012 AMAQI
5th Sep 2025411 AMAQI
5th Sep 2025402 AMAQI
5th Sep 2025403 AMAQI
5th Sep 2025364 AMAQI
24°C20/28°C
5th Sep 2025365 AMAQI
5th Sep 2025376 AMAQI
5th Sep 2025367 AMAQI
5th Sep 2025368 AMAQI
5th Sep 2025249 AMAQI
5th Sep 20252110 AMAQI
5th Sep 20252211 AMAQI
5th Sep 20252012 PMAQI
5th Sep 2025231 PMAQI
5th Sep 2025212 PMAQI
5th Sep 2025233 PMAQI
5th Sep 2025224 PMAQI
5th Sep 2025315 PMAQI
5th Sep 2025286 PMAQI
5th Sep 2025287 PMAQI
5th Sep 2025308 PMAQI
5th Sep 2025299 PMAQI
5th Sep 20252610 PMAQI
5th Sep 20252911 PMAQI
6th Sep 20253112 AMAQI
6th Sep 2025311 AMAQI
6th Sep 2025312 AMAQI
6th Sep 2025323 AMAQI
6th Sep 2025304 AMAQI
24°C22/27°C
6th Sep 2025325 AMAQI
6th Sep 2025326 AMAQI
6th Sep 2025307 AMAQI
6th Sep 2025308 AMAQI
6th Sep 2025229 AMAQI
6th Sep 20252810 AMAQI
6th Sep 20252511 AMAQI
6th Sep 20252612 PMAQI
6th Sep 2025231 PMAQI
6th Sep 2025212 PMAQI
6th Sep 2025243 PMAQI
6th Sep 2025264 PMAQI
6th Sep 2025245 PMAQI
6th Sep 2025266 PMAQI
6th Sep 2025277 PMAQI
6th Sep 2025328 PMAQI
6th Sep 2025319 PMAQI
6th Sep 20252710 PMAQI
6th Sep 20253011 PMAQI
7th Sep 20252912 AMAQI
7th Sep 2025291 AMAQI
7th Sep 2025322 AMAQI
7th Sep 2025313 AMAQI
7th Sep 2025304 AMAQI
24°C21/26°C
7th Sep 2025295 AMAQI
7th Sep 2025286 AMAQI
7th Sep 2025297 AMAQI
7th Sep 2025298 AMAQI
7th Sep 2025319 AMAQI
7th Sep 20252410 AMAQI
7th Sep 20253411 AMAQI
7th Sep 20253712 PMAQI
7th Sep 2025291 PMAQI
7th Sep 2025292 PMAQI
7th Sep 2025353 PMAQI
7th Sep 2025324 PMAQI
7th Sep 2025315 PMAQI
7th Sep 2025306 PMAQI
7th Sep 2025307 PMAQI
7th Sep 2025308 PMAQI
7th Sep 2025309 PMAQI
7th Sep 20252810 PMAQI
7th Sep 20253011 PMAQI
8th Sep 20253512 AMAQI
8th Sep 2025311 AMAQI
8th Sep 2025292 AMAQI
8th Sep 2025293 AMAQI
8th Sep 2025304 AMAQI
24°C22/27°C
8th Sep 2025285 AMAQI
8th Sep 2025286 AMAQI
8th Sep 2025307 AMAQI
8th Sep 2025298 AMAQI
8th Sep 2025289 AMAQI
8th Sep 20252710 AMAQI
8th Sep 20253111 AMAQI
8th Sep 20253112 PMAQI
8th Sep 2025281 PMAQI
8th Sep 2025312 PMAQI
8th Sep 2025363 PMAQI
8th Sep 2025394 PMAQI
8th Sep 2025315 PMAQI
8th Sep 2025346 PMAQI
8th Sep 2025357 PMAQI
8th Sep 2025328 PMAQI
8th Sep 2025329 PMAQI
8th Sep 20252810 PMAQI
8th Sep 20252911 PMAQI
9th Sep 20252912 AMAQI
9th Sep 2025311 AMAQI
9th Sep 2025302 AMAQI
9th Sep 2025303 AMAQI
9th Sep 2025294 AMAQI
24°C22/26°C
9th Sep 2025305 AMAQI
9th Sep 2025326 AMAQI
9th Sep 2025307 AMAQI
9th Sep 2025308 AMAQI
9th Sep 2025399 AMAQI
9th Sep 20253810 AMAQI
9th Sep 20254211 AMAQI
9th Sep 20254612 PMAQI
9th Sep 2025511 PMAQI
9th Sep 2025462 PMAQI
9th Sep 2025573 PMAQI
9th Sep 2025554 PMAQI
9th Sep 2025465 PMAQI
9th Sep 2025486 PMAQI
9th Sep 2025507 PMAQI
9th Sep 2025438 PMAQI
9th Sep 2025329 PMAQI
9th Sep 20253110 PMAQI
9th Sep 20253411 PMAQI
10th Sep 20253212 AMAQI
10th Sep 2025311 AMAQI
10th Sep 2025322 AMAQI
10th Sep 2025323 AMAQI
10th Sep 2025334 AMAQI
24°C22/26°C
10th Sep 2025335 AMAQI
10th Sep 2025336 AMAQI
10th Sep 2025337 AMAQI
10th Sep 2025348 AMAQI
10th Sep 2025359 AMAQI
10th Sep 20254010 AMAQI
10th Sep 20252711 AMAQI
10th Sep 20253212 PMAQI
10th Sep 2025401 PMAQI
10th Sep 2025302 PMAQI
10th Sep 2025363 PMAQI
10th Sep 2025314 PMAQI
10th Sep 2025245 PMAQI
10th Sep 2025366 PMAQI
10th Sep 2025277 PMAQI
10th Sep 2025338 PMAQI
10th Sep 2025319 PMAQI
10th Sep 20253110 PMAQI
10th Sep 20253011 PMAQI
11th Sep 20253012 AMAQI
11th Sep 2025361 AMAQI
11th Sep 2025342 AMAQI
11th Sep 2025343 AMAQI
11th Sep 2025334 AMAQI
24°C21/26°C
11th Sep 2025345 AMAQI
11th Sep 2025326 AMAQI
11th Sep 2025327 AMAQI
11th Sep 2025328 AMAQI
11th Sep 2025269 AMAQI
11th Sep 20253510 AMAQI
11th Sep 20253311 AMAQI
11th Sep 20253412 PMAQI
11th Sep 2025311 PMAQI
11th Sep 2025412 PMAQI
11th Sep 2025403 PMAQI
11th Sep 2025324 PMAQI
11th Sep 2025375 PMAQI
11th Sep 2025396 PMAQI
11th Sep 2025367 PMAQI
11th Sep 2025428 PMAQI
11th Sep 2025329 PMAQI
11th Sep 20253410 PMAQI
11th Sep 20253011 PMAQI
12th Sep 20253312 AMAQI
12th Sep 2025341 AMAQI
12th Sep 2025332 AMAQI
12th Sep 2025343 AMAQI
12th Sep 2025334 AMAQI
23°C20/26°C
12th Sep 2025325 AMAQI
12th Sep 2025326 AMAQI
12th Sep 2025327 AMAQI
12th Sep 2025328 AMAQI
12th Sep 2025289 AMAQI
12th Sep 20253610 AMAQI
12th Sep 20252911 AMAQI
12th Sep 20253212 PMAQI
12th Sep 2025411 PMAQI
12th Sep 2025472 PMAQI
12th Sep 2025373 PMAQI
12th Sep 2025414 PMAQI
12th Sep 2025385 PMAQI
12th Sep 2025406 PMAQI
12th Sep 2025497 PMAQI
12th Sep 2025388 PMAQI
12th Sep 2025319 PMAQI
12th Sep 20253310 PMAQI
12th Sep 20253611 PMAQI
13th Sep 20253612 AMAQI
13th Sep 2025371 AMAQI
13th Sep 2025342 AMAQI
13th Sep 2025343 AMAQI
13th Sep 2025344 AMAQI
24°C20/28°C
13th Sep 2025365 AMAQI
13th Sep 2025366 AMAQI
13th Sep 2025367 AMAQI
13th Sep 2025348 AMAQI
13th Sep 2025309 AMAQI
13th Sep 20251910 AMAQI
13th Sep 20252811 AMAQI
13th Sep 20253012 PMAQI
13th Sep 2025301 PMAQI
13th Sep 2025242 PMAQI
13th Sep 2025253 PMAQI
13th Sep 2025264 PMAQI
13th Sep 2025235 PMAQI
13th Sep 2025206 PMAQI
13th Sep 2025177 PMAQI
13th Sep 2025268 PMAQI
13th Sep 2025249 PMAQI
13th Sep 20252610 PMAQI
13th Sep 20252711 PMAQI
14th Sep 20253112 AMAQI
14th Sep 2025361 AMAQI
14th Sep 2025362 AMAQI
14th Sep 2025373 AMAQI
14th Sep 2025354 AMAQI
23°C22/23°C
14th Sep 2025365 AMAQI
14th Sep 2025346 AMAQI
14th Sep 2025357 AMAQI
14th Sep 2025378 AMAQI
14th Sep 2025229 AMAQI
14th Sep 20252210 AMAQI
14th Sep 20253711 AMAQI
14th Sep 20252912 PMAQI
14th Sep 2025201 PMAQI
14th Sep 2025252 PMAQI
14th Sep 2025303 PMAQI
14th Sep 2025314 PMAQI
14th Sep 2025285 PMAQI
14th Sep 2025336 PMAQI
14th Sep 2025357 PMAQI
14th Sep 2025328 PMAQI
14th Sep 2025359 PMAQI
14th Sep 20253410 PMAQI
14th Sep 20253511 PMAQI
15th Sep 20253212 AMAQI
15th Sep 2025341 AMAQI
15th Sep 2025342 AMAQI
15th Sep 2025363 AMAQI
15th Sep 2025334 AMAQI
23°C20/25°C
15th Sep 2025325 AMAQI
15th Sep 2025336 AMAQI
15th Sep 2025347 AMAQI
15th Sep 2025348 AMAQI
15th Sep 2025299 AMAQI
15th Sep 20252210 AMAQI
15th Sep 20252211 AMAQI
15th Sep 20253512 PMAQI
15th Sep 2025281 PMAQI
15th Sep 2025272 PMAQI
15th Sep 2025303 PMAQI
15th Sep 2025264 PMAQI
15th Sep 2025265 PMAQI
15th Sep 2025276 PMAQI
15th Sep 2025287 PMAQI
15th Sep 2025358 PMAQI
15th Sep 2025329 PMAQI
15th Sep 20253110 PMAQI
15th Sep 20253511 PMAQI
16th Sep 20253212 AMAQI
16th Sep 2025331 AMAQI
16th Sep 2025342 AMAQI
16th Sep 2025343 AMAQI
16th Sep 2025324 AMAQI
23°C20/26°C
16th Sep 2025335 AMAQI
16th Sep 2025336 AMAQI
16th Sep 2025347 AMAQI
16th Sep 2025338 AMAQI
16th Sep 2025349 AMAQI
16th Sep 20254010 AMAQI
16th Sep 20254211 AMAQI
16th Sep 20254812 PMAQI
16th Sep 2025471 PMAQI
16th Sep 2025492 PMAQI
16th Sep 2025443 PMAQI
16th Sep 2025444 PMAQI
16th Sep 2025485 PMAQI
16th Sep 2025476 PMAQI
16th Sep 2025487 PMAQI
16th Sep 2025428 PMAQI
16th Sep 2025389 PMAQI
16th Sep 20253910 PMAQI
16th Sep 20254511 PMAQI
17th Sep 20253912 AMAQI
17th Sep 2025341 AMAQI
17th Sep 2025332 AMAQI
17th Sep 2025333 AMAQI
17th Sep 2025344 AMAQI
24°C22/26°C
17th Sep 2025355 AMAQI
17th Sep 2025346 AMAQI
17th Sep 2025347 AMAQI
17th Sep 2025348 AMAQI
17th Sep 2025409 AMAQI
17th Sep 20254810 AMAQI
17th Sep 20254211 AMAQI
17th Sep 20254912 PMAQI
17th Sep 2025451 PMAQI
17th Sep 2025422 PMAQI
17th Sep 2025383 PMAQI
17th Sep 2025374 PMAQI
17th Sep 2025415 PMAQI
17th Sep 2025406 PMAQI
17th Sep 2025367 PMAQI
17th Sep 2025388 PMAQI
17th Sep 2025399 PMAQI
17th Sep 20254110 PMAQI
17th Sep 20254011 PMAQI
18th Sep 20253712 AMAQI
18th Sep 2025331 AMAQI
18th Sep 2025332 AMAQI
18th Sep 2025343 AMAQI
18th Sep 2025344 AMAQI
24°C22/26°C
18th Sep 2025365 AMAQI
18th Sep 2025366 AMAQI
18th Sep 2025367 AMAQI
18th Sep 2025368 AMAQI
18th Sep 2025289 AMAQI
18th Sep 20252410 AMAQI
18th Sep 20252211 AMAQI
18th Sep 20252112 PMAQI
18th Sep 2025221 PMAQI
18th Sep 2025202 PMAQI
18th Sep 2025203 PMAQI
18th Sep 2025174 PMAQI
18th Sep 2025145 PMAQI
18th Sep 2025156 PMAQI
18th Sep 2025207 PMAQI
18th Sep 2025238 PMAQI
18th Sep 2025299 PMAQI
18th Sep 20252910 PMAQI
18th Sep 20252811 PMAQI
19th Sep 20252912 AMAQI
19th Sep 2025321 AMAQI
19th Sep 2025332 AMAQI
19th Sep 2025343 AMAQI
19th Sep 2025344 AMAQI
20°C18/22°C
19th Sep 2025325 AMAQI
19th Sep 2025326 AMAQI
19th Sep 2025327 AMAQI
19th Sep 2025338 AMAQI
19th Sep 2025339 AMAQI
19th Sep 20252810 AMAQI
19th Sep 20252411 AMAQI
19th Sep 20252212 PMAQI
19th Sep 2025221 PMAQI
19th Sep 2025202 PMAQI
19th Sep 2025203 PMAQI
19th Sep 2025214 PMAQI
19th Sep 2025245 PMAQI
19th Sep 2025246 PMAQI
19th Sep 2025247 PMAQI
19th Sep 2025268 PMAQI
19th Sep 2025299 PMAQI
19th Sep 20253010 PMAQI
19th Sep 20252811 PMAQI
20th Sep 20253012 AMAQI
20th Sep 2025311 AMAQI
20th Sep 2025312 AMAQI
20th Sep 2025313 AMAQI
20th Sep 2025304 AMAQI
19°C16/22°C
20th Sep 2025295 AMAQI
20th Sep 2025296 AMAQI
20th Sep 2025307 AMAQI
20th Sep 2025298 AMAQI
20th Sep 2025269 AMAQI
20th Sep 20252510 AMAQI
20th Sep 20252611 AMAQI
20th Sep 20252512 PMAQI
20th Sep 2025221 PMAQI
20th Sep 2025212 PMAQI
20th Sep 2025213 PMAQI
20th Sep 2025224 PMAQI
20th Sep 2025245 PMAQI
20th Sep 2025266 PMAQI
20th Sep 2025287 PMAQI
20th Sep 2025328 PMAQI
20th Sep 2025299 PMAQI
20th Sep 20252910 PMAQI
20th Sep 20252811 PMAQI
21st Sep 20252912 AMAQI
21st Sep 2025281 AMAQI
21st Sep 2025282 AMAQI
21st Sep 2025293 AMAQI
21st Sep 2025294 AMAQI
19°C17/20°C
21st Sep 2025295 AMAQI
21st Sep 2025286 AMAQI
21st Sep 2025287 AMAQI
21st Sep 2025288 AMAQI
21st Sep 2025249 AMAQI
21st Sep 20252210 AMAQI
21st Sep 20252811 AMAQI
21st Sep 20252512 PMAQI
21st Sep 2025211 PMAQI
21st Sep 2025242 PMAQI
21st Sep 2025253 PMAQI
21st Sep 2025224 PMAQI
21st Sep 2025225 PMAQI
21st Sep 2025236 PMAQI
21st Sep 2025267 PMAQI
21st Sep 2025268 PMAQI
21st Sep 2025289 PMAQI
21st Sep 20252810 PMAQI
21st Sep 20252911 PMAQI
22nd Sep 20252812 AMAQI
22nd Sep 2025281 AMAQI
22nd Sep 2025282 AMAQI
22nd Sep 2025283 AMAQI
22nd Sep 2025284 AMAQI
21°C19/22°C
22nd Sep 2025285 AMAQI
22nd Sep 2025276 AMAQI
22nd Sep 2025287 AMAQI
22nd Sep 2025288 AMAQI
22nd Sep 2025239 AMAQI
22nd Sep 20252810 AMAQI
22nd Sep 20252611 AMAQI
22nd Sep 20252412 PMAQI
22nd Sep 2025231 PMAQI
22nd Sep 2025212 PMAQI
22nd Sep 2025213 PMAQI
22nd Sep 2025214 PMAQI
22nd Sep 2025245 PMAQI
22nd Sep 2025236 PMAQI
22nd Sep 2025237 PMAQI
22nd Sep 2025258 PMAQI
22nd Sep 2025279 PMAQI
22nd Sep 20252710 PMAQI
22nd Sep 20252811 PMAQI
23rd Sep 20252812 AMAQI
23rd Sep 2025271 AMAQI
23rd Sep 2025282 AMAQI
23rd Sep 2025283 AMAQI
23rd Sep 2025284 AMAQI
20°C17/22°C
23rd Sep 2025285 AMAQI
23rd Sep 2025286 AMAQI
23rd Sep 2025287 AMAQI
23rd Sep 2025288 AMAQI
23rd Sep 2025299 AMAQI
23rd Sep 20253610 AMAQI
23rd Sep 20253311 AMAQI
23rd Sep 20252412 PMAQI
23rd Sep 2025241 PMAQI
23rd Sep 2025242 PMAQI
23rd Sep 2025253 PMAQI
23rd Sep 2025284 PMAQI
23rd Sep 2025295 PMAQI
23rd Sep 2025266 PMAQI
23rd Sep 2025277 PMAQI
23rd Sep 2025258 PMAQI
23rd Sep 2025289 PMAQI
23rd Sep 20252810 PMAQI
23rd Sep 20252811 PMAQI
24th Sep 20252812 AMAQI
24th Sep 2025281 AMAQI
24th Sep 2025282 AMAQI
24th Sep 2025283 AMAQI
24th Sep 2025284 AMAQI
19°C16/24°C
24th Sep 2025285 AMAQI
24th Sep 2025276 AMAQI
24th Sep 2025277 AMAQI
24th Sep 2025278 AMAQI
24th Sep 2025349 AMAQI
24th Sep 20253210 AMAQI
24th Sep 20253011 AMAQI
24th Sep 20253012 PMAQI
24th Sep 2025281 PMAQI
24th Sep 2025282 PMAQI
24th Sep 2025283 PMAQI
24th Sep 2025264 PMAQI
24th Sep 2025265 PMAQI
24th Sep 2025286 PMAQI
24th Sep 2025287 PMAQI
24th Sep 2025288 PMAQI
24th Sep 2025289 PMAQI
24th Sep 20252810 PMAQI
24th Sep 20252611 PMAQI
25th Sep 20252612 AMAQI
25th Sep 2025271 AMAQI
25th Sep 2025282 AMAQI
25th Sep 2025283 AMAQI
25th Sep 2025284 AMAQI
20°C16/24°C
25th Sep 2025275 AMAQI
25th Sep 2025276 AMAQI
25th Sep 2025277 AMAQI
25th Sep 2025278 AMAQI
25th Sep 2025379 AMAQI
25th Sep 20254310 AMAQI
25th Sep 20254411 AMAQI
25th Sep 20254212 PMAQI
25th Sep 2025361 PMAQI
25th Sep 2025412 PMAQI
25th Sep 2025493 PMAQI
25th Sep 2025524 PMAQI
25th Sep 2025545 PMAQI
25th Sep 2025446 PMAQI
25th Sep 2025337 PMAQI
25th Sep 2025288 PMAQI
25th Sep 2025289 PMAQI
25th Sep 20252410 PMAQI
25th Sep 20252311 PMAQI
26th Sep 20253512 AMAQI
26th Sep 2025281 AMAQI
26th Sep 2025262 AMAQI
26th Sep 2025403 AMAQI
26th Sep 2025294 AMAQI
20°C17/24°C
26th Sep 2025355 AMAQI
26th Sep 2025356 AMAQI
26th Sep 2025337 AMAQI
26th Sep 2025448 AMAQI
26th Sep 2025569 AMAQI
26th Sep 20255110 AMAQI
26th Sep 20254311 AMAQI
26th Sep 20254312 PMAQI
26th Sep 2025451 PMAQI
26th Sep 2025472 PMAQI
26th Sep 2025443 PMAQI
26th Sep 2025444 PMAQI
26th Sep 2025435 PMAQI
26th Sep 2025426 PMAQI
26th Sep 2025427 PMAQI
26th Sep 2025418 PMAQI
26th Sep 2025409 PMAQI
26th Sep 20254210 PMAQI
26th Sep 20254311 PMAQI
27th Sep 20253712 AMAQI
27th Sep 2025351 AMAQI
27th Sep 2025342 AMAQI
27th Sep 2025303 AMAQI
27th Sep 2025284 AMAQI
22°C20/24°C
27th Sep 2025315 AMAQI
27th Sep 2025296 AMAQI
27th Sep 2025277 AMAQI
27th Sep 2025288 AMAQI
27th Sep 2025299 AMAQI
27th Sep 20252910 AMAQI
27th Sep 20252911 AMAQI
27th Sep 20252912 PMAQI
27th Sep 2025291 PMAQI
27th Sep 2025282 PMAQI
27th Sep 2025283 PMAQI
27th Sep 2025284 PMAQI
27th Sep 2025285 PMAQI
27th Sep 2025276 PMAQI
27th Sep 2025317 PMAQI
27th Sep 2025328 PMAQI
27th Sep 2025239 PMAQI
27th Sep 20251710 PMAQI
27th Sep 20251111 PMAQI
28th Sep 20251012 AMAQI
28th Sep 2025131 AMAQI
28th Sep 2025152 AMAQI
28th Sep 2025183 AMAQI
28th Sep 2025144 AMAQI
20°C18/22°C
28th Sep 2025105 AMAQI
28th Sep 2025176 AMAQI
28th Sep 2025147 AMAQI
28th Sep 2025158 AMAQI
28th Sep 2025179 AMAQI
28th Sep 20251710 AMAQI
28th Sep 20251711 AMAQI
28th Sep 20251712 PMAQI
28th Sep 2025171 PMAQI
28th Sep 2025202 PMAQI
28th Sep 2025263 PMAQI
28th Sep 2025234 PMAQI
28th Sep 2025285 PMAQI
28th Sep 2025276 PMAQI
28th Sep 2025377 PMAQI
28th Sep 2025488 PMAQI
28th Sep 2025419 PMAQI
28th Sep 20253710 PMAQI
28th Sep 20253611 PMAQI
29th Sep 20254012 AMAQI
29th Sep 2025381 AMAQI
29th Sep 2025432 AMAQI
29th Sep 2025583 AMAQI
29th Sep 2025564 AMAQI
20°C17/22°C
29th Sep 2025555 AMAQI
29th Sep 2025506 AMAQI
29th Sep 2025507 AMAQI
29th Sep 2025538 AMAQI
29th Sep 2025539 AMAQI
29th Sep 20255510 AMAQI
29th Sep 20255311 AMAQI
29th Sep 20254512 PMAQI
29th Sep 2025441 PMAQI
29th Sep 2025242 PMAQI
29th Sep 2025293 PMAQI
29th Sep 2025264 PMAQI
29th Sep 2025225 PMAQI
29th Sep 2025266 PMAQI
29th Sep 2025287 PMAQI
29th Sep 2025308 PMAQI
29th Sep 2025309 PMAQI
29th Sep 20253310 PMAQI
29th Sep 20253611 PMAQI
30th Sep 20253412 AMAQI
30th Sep 2025331 AMAQI
30th Sep 2025422 AMAQI
30th Sep 2025453 AMAQI
30th Sep 2025474 AMAQI
20°C18/22°C
30th Sep 2025375 AMAQI
30th Sep 2025286 AMAQI
30th Sep 2025337 AMAQI
30th Sep 2025398 AMAQI
30th Sep 2025449 AMAQI
30th Sep 20254610 AMAQI
30th Sep 20254111 AMAQI
30th Sep 20254512 PMAQI
30th Sep 2025501 PMAQI
30th Sep 2025402 PMAQI
30th Sep 2025383 PMAQI
30th Sep 2025444 PMAQI
30th Sep 2025425 PMAQI
30th Sep 2025386 PMAQI
30th Sep 2025437 PMAQI
30th Sep 2025528 PMAQI
30th Sep 2025509 PMAQI
30th Sep 20254810 PMAQI
30th Sep 20254211 PMAQI
1st Oct 20254912 AMAQI
1st Oct 2025431 AMAQI
1st Oct 2025492 AMAQI
1st Oct 2025393 AMAQI
1st Oct 2025424 AMAQI
--°C/°C
1st Oct 2025465 AMAQI
5 AM11 AM
5 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 AM
34AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
2 PM
30AQI
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. 34), while the lowest AQI was between 2 PM to 2 PM (Avg. 30).
Night time
Avg. Highest Time
12 AM - 4 AM
34AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
6 PM
31AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 34), while the lowest AQI was between 6 PM to 6 PM (Avg. 31).
2025 Days Vs Air Quality
Oga, Akita, Japan
2025
91%
247
9%
25
Total number of days with different AQI categories in last 273 days in 2025 (92 days remaining)
Good
247 DaysModerate
25 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2025, 91% of 273 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
Oga, Akita, Japan
AQI levels in 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
29AQI
29AQI
2nd January 2025
29AQI
29AQI
3rd January 2025
28AQI
28AQI
4th January 2025
29AQI
29AQI
5th January 2025
28AQI
28AQI
6th January 2025
29AQI
29AQI
7th January 2025
31AQI
31AQI
8th January 2025
29AQI
29AQI
9th January 2025
28AQI
28AQI
10th January 2025
26AQI
26AQI
11th January 2025
24AQI
24AQI
12th January 2025
26AQI
26AQI
13th January 2025
28AQI
28AQI
14th January 2025
35AQI
35AQI
15th January 2025
28AQI
28AQI
16th January 2025
28AQI
28AQI
17th January 2025
26AQI
26AQI
18th January 2025
28AQI
28AQI
19th January 2025
29AQI
29AQI
20th January 2025
39AQI
39AQI
21st January 2025
43AQI
43AQI
22nd January 2025
35AQI
35AQI
23rd January 2025
35AQI
35AQI
24th January 2025
40AQI
40AQI
25th January 2025
32AQI
32AQI
26th January 2025
31AQI
31AQI
27th January 2025
28AQI
28AQI
28th January 2025
29AQI
29AQI
29th January 2025
30AQI
30AQI
30th January 2025
30AQI
30AQI
31st January 2025
31AQI
31AQI
1st February 2025
31AQI
31AQI
2nd February 2025
29AQI
29AQI
3rd February 2025
30AQI
30AQI
4th February 2025
31AQI
31AQI
5th February 2025
31AQI
31AQI
6th February 2025
32AQI
32AQI
7th February 2025
33AQI
33AQI
8th February 2025
30AQI
30AQI
9th February 2025
31AQI
31AQI
10th February 2025
31AQI
31AQI
11th February 2025
32AQI
32AQI
12th February 2025
29AQI
29AQI
13th February 2025
32AQI
32AQI
14th February 2025
32AQI
32AQI
15th February 2025
31AQI
31AQI
16th February 2025
39AQI
39AQI
17th February 2025
46AQI
46AQI
18th February 2025
32AQI
32AQI
19th February 2025
37AQI
37AQI
20th February 2025
31AQI
31AQI
21st February 2025
31AQI
31AQI
22nd February 2025
31AQI
31AQI
23rd February 2025
32AQI
32AQI
24th February 2025
31AQI
31AQI
25th February 2025
35AQI
35AQI
26th February 2025
39AQI
39AQI
27th February 2025
36AQI
36AQI
28th February 2025
49AQI
49AQI
1st March 2025
49AQI
49AQI
2nd March 2025
55AQI
55AQI
3rd March 2025
40AQI
40AQI
4th March 2025
40AQI
40AQI
5th March 2025
32AQI
32AQI
6th March 2025
30AQI
30AQI
7th March 2025
33AQI
33AQI
8th March 2025
33AQI
33AQI
9th March 2025
33AQI
33AQI
10th March 2025
37AQI
37AQI
11th March 2025
45AQI
45AQI
12th March 2025
47AQI
47AQI
13th March 2025
56AQI
56AQI
14th March 2025
50AQI
50AQI
15th March 2025
41AQI
41AQI
16th March 2025
30AQI
30AQI
17th March 2025
24AQI
24AQI
18th March 2025
23AQI
23AQI
19th March 2025
23AQI
23AQI
20th March 2025
43AQI
43AQI
21st March 2025
56AQI
56AQI
22nd March 2025
58AQI
58AQI
23rd March 2025
38AQI
38AQI
24th March 2025
47AQI
47AQI
25th March 2025
65AQI
65AQI
26th March 2025
49AQI
49AQI
27th March 2025
61AQI
61AQI
28th March 2025
44AQI
44AQI
29th March 2025
40AQI
40AQI
30th March 2025
36AQI
36AQI
31st March 2025
35AQI
35AQI
1st April 2025
32AQI
32AQI
2nd April 2025
22AQI
22AQI
3rd April 2025
23AQI
23AQI
4th April 2025
24AQI
24AQI
5th April 2025
30AQI
30AQI
6th April 2025
32AQI
32AQI
7th April 2025
29AQI
29AQI
8th April 2025
35AQI
35AQI
9th April 2025
29AQI
29AQI
10th April 2025
37AQI
37AQI
11th April 2025
44AQI
44AQI
12th April 2025
36AQI
36AQI
13th April 2025
30AQI
30AQI
14th April 2025
22AQI
22AQI
15th April 2025
26AQI
26AQI
16th April 2025
30AQI
30AQI
17th April 2025
43AQI
43AQI
18th April 2025
46AQI
46AQI
19th April 2025
50AQI
50AQI
20th April 2025
44AQI
44AQI
21st April 2025
45AQI
45AQI
22nd April 2025
42AQI
42AQI
23rd April 2025
43AQI
43AQI
24th April 2025
30AQI
30AQI
25th April 2025
29AQI
29AQI
26th April 2025
59AQI
59AQI
27th April 2025
48AQI
48AQI
28th April 2025
54AQI
54AQI
29th April 2025
33AQI
33AQI
30th April 2025
29AQI
29AQI
1st May 2025
28AQI
28AQI
2nd May 2025
26AQI
26AQI
3rd May 2025
36AQI
36AQI
4th May 2025
33AQI
33AQI
5th May 2025
39AQI
39AQI
6th May 2025
31AQI
31AQI
7th May 2025
26AQI
26AQI
8th May 2025
35AQI
35AQI
9th May 2025
42AQI
42AQI
10th May 2025
28AQI
28AQI
11th May 2025
36AQI
36AQI
12th May 2025
32AQI
32AQI
13th May 2025
41AQI
41AQI
14th May 2025
44AQI
44AQI
15th May 2025
49AQI
49AQI
16th May 2025
54AQI
54AQI
17th May 2025
42AQI
42AQI
18th May 2025
44AQI
44AQI
19th May 2025
42AQI
42AQI
20th May 2025
52AQI
52AQI
21st May 2025
44AQI
44AQI
22nd May 2025
41AQI
41AQI
23rd May 2025
35AQI
35AQI
24th May 2025
36AQI
36AQI
25th May 2025
25AQI
25AQI
26th May 2025
27AQI
27AQI
27th May 2025
31AQI
31AQI
28th May 2025
33AQI
33AQI
29th May 2025
34AQI
34AQI
30th May 2025
35AQI
35AQI
31st May 2025
26AQI
26AQI
1st June 2025
25AQI
25AQI
2nd June 2025
33AQI
33AQI
3rd June 2025
41AQI
41AQI
4th June 2025
38AQI
38AQI
5th June 2025
36AQI
36AQI
6th June 2025
35AQI
35AQI
7th June 2025
48AQI
48AQI
8th June 2025
49AQI
49AQI
9th June 2025
56AQI
56AQI
10th June 2025
59AQI
59AQI
11th June 2025
51AQI
51AQI
12th June 2025
42AQI
42AQI
13th June 2025
40AQI
40AQI
14th June 2025
42AQI
42AQI
15th June 2025
29AQI
29AQI
16th June 2025
26AQI
26AQI
17th June 2025
33AQI
33AQI
18th June 2025
33AQI
33AQI
19th June 2025
39AQI
39AQI
20th June 2025
43AQI
43AQI
21st June 2025
44AQI
44AQI
22nd June 2025
55AQI
55AQI
23rd June 2025
48AQI
48AQI
24th June 2025
47AQI
47AQI
25th June 2025
49AQI
49AQI
26th June 2025
45AQI
45AQI
27th June 2025
51AQI
51AQI
28th June 2025
43AQI
43AQI
29th June 2025
44AQI
44AQI
30th June 2025
48AQI
48AQI
1st July 2025
51AQI
51AQI
2nd July 2025
52AQI
52AQI
3rd July 2025
60AQI
60AQI
4th July 2025
62AQI
62AQI
5th July 2025
57AQI
57AQI
6th July 2025
58AQI
58AQI
7th July 2025
58AQI
58AQI
8th July 2025
56AQI
56AQI
9th July 2025
56AQI
56AQI
10th July 2025
55AQI
55AQI
11th July 2025
49AQI
49AQI
12th July 2025
49AQI
49AQI
13th July 2025
50AQI
50AQI
14th July 2025
45AQI
45AQI
15th July 2025
44AQI
44AQI
16th July 2025
47AQI
47AQI
17th July 2025
44AQI
44AQI
18th July 2025
43AQI
43AQI
19th July 2025
41AQI
41AQI
20th July 2025
40AQI
40AQI
21st July 2025
39AQI
39AQI
22nd July 2025
38AQI
38AQI
23rd July 2025
39AQI
39AQI
24th July 2025
38AQI
38AQI
25th July 2025
38AQI
38AQI
26th July 2025
41AQI
41AQI
27th July 2025
39AQI
39AQI
28th July 2025
38AQI
38AQI
29th July 2025
38AQI
38AQI
30th July 2025
42AQI
42AQI
31st July 2025
41AQI
41AQI
1st August 2025
37AQI
37AQI
2nd August 2025
37AQI
37AQI
3rd August 2025
39AQI
39AQI
4th August 2025
45AQI
45AQI
5th August 2025
45AQI
45AQI
6th August 2025
49AQI
49AQI
7th August 2025
38AQI
38AQI
8th August 2025
36AQI
36AQI
9th August 2025
34AQI
34AQI
10th August 2025
37AQI
37AQI
11th August 2025
35AQI
35AQI
12th August 2025
32AQI
32AQI
13th August 2025
35AQI
35AQI
14th August 2025
33AQI
33AQI
15th August 2025
36AQI
36AQI
16th August 2025
34AQI
34AQI
17th August 2025
36AQI
36AQI
18th August 2025
37AQI
37AQI
19th August 2025
39AQI
39AQI
20th August 2025
46AQI
46AQI
21st August 2025
46AQI
46AQI
22nd August 2025
45AQI
45AQI
23rd August 2025
47AQI
47AQI
24th August 2025
48AQI
48AQI
25th August 2025
45AQI
45AQI
26th August 2025
49AQI
49AQI
27th August 2025
45AQI
45AQI
28th August 2025
37AQI
37AQI
29th August 2025
43AQI
43AQI
30th August 2025
48AQI
48AQI
31st August 2025
42AQI
42AQI
1st September 2025
45AQI
45AQI
2nd September 2025
39AQI
39AQI
3rd September 2025
36AQI
36AQI
4th September 2025
34AQI
34AQI
5th September 2025
33AQI
33AQI
6th September 2025
30AQI
30AQI
7th September 2025
30AQI
30AQI
8th September 2025
33AQI
33AQI
9th September 2025
37AQI
37AQI
10th September 2025
33AQI
33AQI
11th September 2025
34AQI
34AQI
12th September 2025
34AQI
34AQI
13th September 2025
29AQI
29AQI
14th September 2025
32AQI
32AQI
15th September 2025
31AQI
31AQI
16th September 2025
40AQI
40AQI
17th September 2025
38AQI
38AQI
18th September 2025
27AQI
27AQI
19th September 2025
28AQI
28AQI
20th September 2025
28AQI
28AQI
21st September 2025
27AQI
27AQI
22nd September 2025
26AQI
26AQI
23rd September 2025
28AQI
28AQI
24th September 2025
28AQI
28AQI
25th September 2025
33AQI
33AQI
26th September 2025
37AQI
37AQI
27th September 2025
31AQI
31AQI
28th September 2025
21AQI
21AQI
29th September 2025
41AQI
41AQI
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
30AQI
33AQI
42AQI
36AQI
36AQI
42AQI
47AQI
40AQI
33AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202538AQI
31
28
25
6
28
2
29
2
25
5
21
10
31
29
247
25
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
January30AQI
202435AQI
31
28
1
28
3
20
10
26
5
20
10
23
8
31
30
31
30
31
329
37
Highest AQI recorded in
April47AQI
Lowest AQI recorded in
August27AQI
202337AQI
28
3
26
2
15
16
20
10
25
6
27
3
22
9
31
30
31
27
2
30
1
312
52
Highest AQI recorded in
March52AQI
Lowest AQI recorded in
September28AQI
202236AQI
30
18
3
28
3
19
11
21
10
22
8
23
2
27
1
30
1
30
31
281
37
Highest AQI recorded in
May47AQI
Lowest AQI recorded in
August23AQI
202133AQI
31
23
5
24
5
19
2
29
2
26
4
28
3
28
3
30
31
30
31
330
24
Highest AQI recorded in
June40AQI
Lowest AQI recorded in
November28AQI
202031AQI
11
2
18
3
16
2
26
4
30
1
20
9
2
19
31
27
3
29
2
227
26
2
Highest AQI recorded in
August47AQI
Lowest AQI recorded in
July25AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
38AQILeast Polluted Year Recorded
2020(Avg.)
31AQIOga's annual 2025 AQI (38) shows an average percentage change of 9.3% (worsened AQI) compared to previous years: 2020 (31), 2021 (33), 2022 (36), 2023 (37), 2024 (35).
