Koja, Okinawa, 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
Koja, Okinawa, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
29th Aug 2024
65AQILowest AQI recorded on
16th Aug 2021
7AQISame Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 47 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Koja, Okinawa, Japan
AQI
Day
Night
.
5 AM2nd Aug 2025
7 PM
4 AM3rd Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
2PM2nd Aug
73AQI
Avg. Lowest Time
12AM3rd Aug
43AQI
In the last 24 hours,
Koja's AQI reached its highest point of 73 at 2 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Koja, Okinawa, Japan
JulAug
04th - 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 - 31st31st - 01st01st - 02nd02nd - 03rd03rd
Day
Night
4th Jul 2025395 AMAQI
4th Jul 2025386 AMAQI
4th Jul 2025377 AMAQI
4th Jul 2025398 AMAQI
4th Jul 2025329 AMAQI
4th Jul 20253410 AMAQI
4th Jul 20253811 AMAQI
4th Jul 20253612 PMAQI
4th Jul 2025381 PMAQI
4th Jul 2025402 PMAQI
4th Jul 2025333 PMAQI
4th Jul 2025344 PMAQI
4th Jul 2025325 PMAQI
4th Jul 2025346 PMAQI
4th Jul 2025347 PMAQI
4th Jul 2025338 PMAQI
4th Jul 2025399 PMAQI
4th Jul 20253810 PMAQI
4th Jul 20254111 PMAQI
5th Jul 20254012 AMAQI
5th Jul 2025391 AMAQI
5th Jul 2025412 AMAQI
5th Jul 2025413 AMAQI
5th Jul 2025404 AMAQI
28°C26/30°C
5th Jul 2025395 AMAQI
5th Jul 2025396 AMAQI
5th Jul 2025387 AMAQI
5th Jul 2025378 AMAQI
5th Jul 2025289 AMAQI
5th Jul 20252710 AMAQI
5th Jul 20253011 AMAQI
5th Jul 20252512 PMAQI
5th Jul 2025301 PMAQI
5th Jul 2025292 PMAQI
5th Jul 2025303 PMAQI
5th Jul 2025304 PMAQI
5th Jul 2025305 PMAQI
5th Jul 2025306 PMAQI
5th Jul 2025347 PMAQI
5th Jul 2025338 PMAQI
5th Jul 2025379 PMAQI
5th Jul 20253810 PMAQI
5th Jul 20253811 PMAQI
6th Jul 20253712 AMAQI
6th Jul 2025371 AMAQI
6th Jul 2025392 AMAQI
6th Jul 2025383 AMAQI
6th Jul 2025384 AMAQI
29°C27/30°C
6th Jul 2025375 AMAQI
6th Jul 2025386 AMAQI
6th Jul 2025387 AMAQI
6th Jul 2025398 AMAQI
6th Jul 2025319 AMAQI
6th Jul 20252810 AMAQI
6th Jul 20252611 AMAQI
6th Jul 20252212 PMAQI
6th Jul 2025261 PMAQI
6th Jul 2025262 PMAQI
6th Jul 2025263 PMAQI
6th Jul 2025264 PMAQI
6th Jul 2025275 PMAQI
6th Jul 2025256 PMAQI
6th Jul 2025247 PMAQI
6th Jul 2025288 PMAQI
6th Jul 2025429 PMAQI
6th Jul 20254310 PMAQI
6th Jul 20253911 PMAQI
7th Jul 20253912 AMAQI
7th Jul 2025381 AMAQI
7th Jul 2025392 AMAQI
7th Jul 2025383 AMAQI
7th Jul 2025384 AMAQI
28°C27/30°C
7th Jul 2025375 AMAQI
7th Jul 2025386 AMAQI
7th Jul 2025387 AMAQI
7th Jul 2025388 AMAQI
7th Jul 2025249 AMAQI
7th Jul 20252110 AMAQI
7th Jul 20251811 AMAQI
7th Jul 20252112 PMAQI
7th Jul 2025271 PMAQI
7th Jul 2025282 PMAQI
7th Jul 2025273 PMAQI
7th Jul 2025274 PMAQI
7th Jul 2025285 PMAQI
7th Jul 2025306 PMAQI
7th Jul 2025307 PMAQI
7th Jul 2025318 PMAQI
7th Jul 2025369 PMAQI
7th Jul 20254110 PMAQI
7th Jul 20253811 PMAQI
8th Jul 20253712 AMAQI
8th Jul 2025401 AMAQI
8th Jul 2025382 AMAQI
8th Jul 2025373 AMAQI
8th Jul 2025374 AMAQI
28°C26/30°C
8th Jul 2025385 AMAQI
8th Jul 2025386 AMAQI
8th Jul 2025387 AMAQI
8th Jul 2025388 AMAQI
8th Jul 2025289 AMAQI
8th Jul 20252610 AMAQI
8th Jul 20252911 AMAQI
8th Jul 20253212 PMAQI
8th Jul 2025351 PMAQI
8th Jul 2025382 PMAQI
8th Jul 2025363 PMAQI
8th Jul 2025354 PMAQI
8th Jul 2025325 PMAQI
8th Jul 2025296 PMAQI
8th Jul 2025287 PMAQI
8th Jul 2025378 PMAQI
8th Jul 2025399 PMAQI
8th Jul 20253710 PMAQI
8th Jul 20253811 PMAQI
9th Jul 20253612 AMAQI
9th Jul 2025381 AMAQI
9th Jul 2025382 AMAQI
9th Jul 2025383 AMAQI
9th Jul 2025384 AMAQI
27°C26/29°C
9th Jul 2025375 AMAQI
9th Jul 2025386 AMAQI
9th Jul 2025387 AMAQI
9th Jul 2025388 AMAQI
9th Jul 2025309 AMAQI
9th Jul 20252810 AMAQI
9th Jul 20252811 AMAQI
9th Jul 20253112 PMAQI
9th Jul 2025341 PMAQI
9th Jul 2025332 PMAQI
9th Jul 2025343 PMAQI
9th Jul 2025344 PMAQI
9th Jul 2025345 PMAQI
9th Jul 2025346 PMAQI
9th Jul 2025317 PMAQI
9th Jul 2025338 PMAQI
9th Jul 2025379 PMAQI
9th Jul 20253810 PMAQI
9th Jul 20253711 PMAQI
10th Jul 20253712 AMAQI
10th Jul 2025371 AMAQI
10th Jul 2025382 AMAQI
10th Jul 2025383 AMAQI
10th Jul 2025374 AMAQI
27°C26/28°C
10th Jul 2025385 AMAQI
10th Jul 2025396 AMAQI
10th Jul 2025377 AMAQI
10th Jul 2025388 AMAQI
10th Jul 2025239 AMAQI
10th Jul 20252010 AMAQI
10th Jul 20252011 AMAQI
10th Jul 20252312 PMAQI
10th Jul 2025311 PMAQI
10th Jul 2025302 PMAQI
10th Jul 2025323 PMAQI
10th Jul 2025304 PMAQI
10th Jul 2025325 PMAQI
10th Jul 2025306 PMAQI
10th Jul 2025307 PMAQI
10th Jul 2025328 PMAQI
10th Jul 2025389 PMAQI
10th Jul 20253810 PMAQI
10th Jul 20253911 PMAQI
11th Jul 20253712 AMAQI
11th Jul 2025371 AMAQI
11th Jul 2025392 AMAQI
11th Jul 2025403 AMAQI
11th Jul 2025394 AMAQI
27°C26/28°C
11th Jul 2025375 AMAQI
11th Jul 2025426 AMAQI
11th Jul 2025447 AMAQI
11th Jul 2025438 AMAQI
11th Jul 2025369 AMAQI
11th Jul 20253910 AMAQI
11th Jul 20253811 AMAQI
11th Jul 20254012 PMAQI
11th Jul 2025361 PMAQI
11th Jul 2025392 PMAQI
11th Jul 2025403 PMAQI
11th Jul 2025364 PMAQI
11th Jul 2025325 PMAQI
11th Jul 2025366 PMAQI
11th Jul 2025367 PMAQI
11th Jul 2025398 PMAQI
11th Jul 2025409 PMAQI
11th Jul 20253810 PMAQI
11th Jul 20253911 PMAQI
12th Jul 20253912 AMAQI
12th Jul 2025411 AMAQI
12th Jul 2025442 AMAQI
12th Jul 2025463 AMAQI
12th Jul 2025454 AMAQI
28°C26/29°C
12th Jul 2025445 AMAQI
12th Jul 2025466 AMAQI
12th Jul 2025467 AMAQI
12th Jul 2025458 AMAQI
12th Jul 2025389 AMAQI
12th Jul 20253410 AMAQI
12th Jul 20253011 AMAQI
12th Jul 20253412 PMAQI
12th Jul 2025361 PMAQI
12th Jul 2025352 PMAQI
12th Jul 2025303 PMAQI
12th Jul 2025294 PMAQI
12th Jul 2025315 PMAQI
12th Jul 2025356 PMAQI
12th Jul 2025437 PMAQI
12th Jul 2025458 PMAQI
12th Jul 2025419 PMAQI
12th Jul 20254110 PMAQI
12th Jul 20254211 PMAQI
13th Jul 20254212 AMAQI
13th Jul 2025461 AMAQI
13th Jul 2025472 AMAQI
13th Jul 2025463 AMAQI
13th Jul 2025454 AMAQI
29°C28/30°C
13th Jul 2025435 AMAQI
13th Jul 2025436 AMAQI
13th Jul 2025447 AMAQI
13th Jul 2025448 AMAQI
13th Jul 2025439 AMAQI
13th Jul 20254410 AMAQI
13th Jul 20254211 AMAQI
13th Jul 20254512 PMAQI
13th Jul 2025411 PMAQI
13th Jul 2025422 PMAQI
13th Jul 2025423 PMAQI
13th Jul 2025484 PMAQI
13th Jul 2025495 PMAQI
13th Jul 2025506 PMAQI
13th Jul 2025427 PMAQI
13th Jul 2025508 PMAQI
13th Jul 2025469 PMAQI
13th Jul 20254410 PMAQI
13th Jul 20254211 PMAQI
14th Jul 20254412 AMAQI
14th Jul 2025481 AMAQI
14th Jul 2025492 AMAQI
14th Jul 2025493 AMAQI
14th Jul 2025494 AMAQI
29°C28/30°C
14th Jul 2025485 AMAQI
14th Jul 2025486 AMAQI
14th Jul 2025477 AMAQI
14th Jul 2025478 AMAQI
14th Jul 2025389 AMAQI
14th Jul 20253610 AMAQI
14th Jul 20253211 AMAQI
14th Jul 20253412 PMAQI
14th Jul 2025461 PMAQI
14th Jul 2025502 PMAQI
14th Jul 2025513 PMAQI
14th Jul 2025504 PMAQI
14th Jul 2025505 PMAQI
14th Jul 2025516 PMAQI
14th Jul 2025477 PMAQI
14th Jul 2025478 PMAQI
14th Jul 2025499 PMAQI
14th Jul 20254910 PMAQI
14th Jul 20254711 PMAQI
15th Jul 20254712 AMAQI
15th Jul 2025471 AMAQI
15th Jul 2025482 AMAQI
15th Jul 2025463 AMAQI
15th Jul 2025474 AMAQI
28°C27/29°C
15th Jul 2025465 AMAQI
15th Jul 2025466 AMAQI
15th Jul 2025467 AMAQI
15th Jul 2025468 AMAQI
15th Jul 2025449 AMAQI
15th Jul 20254410 AMAQI
15th Jul 20254611 AMAQI
15th Jul 20255212 PMAQI
15th Jul 2025521 PMAQI
15th Jul 2025512 PMAQI
15th Jul 2025503 PMAQI
15th Jul 2025484 PMAQI
15th Jul 2025485 PMAQI
15th Jul 2025506 PMAQI
15th Jul 2025507 PMAQI
15th Jul 2025478 PMAQI
15th Jul 2025479 PMAQI
15th Jul 20254610 PMAQI
15th Jul 20254811 PMAQI
16th Jul 20254712 AMAQI
16th Jul 2025481 AMAQI
16th Jul 2025492 AMAQI
16th Jul 2025483 AMAQI
16th Jul 2025484 AMAQI
28°C27/30°C
16th Jul 2025485 AMAQI
16th Jul 2025486 AMAQI
16th Jul 2025487 AMAQI
16th Jul 2025488 AMAQI
16th Jul 2025369 AMAQI
16th Jul 20254010 AMAQI
16th Jul 20254011 AMAQI
16th Jul 20254112 PMAQI
16th Jul 2025421 PMAQI
16th Jul 2025432 PMAQI
16th Jul 2025443 PMAQI
16th Jul 2025454 PMAQI
16th Jul 2025435 PMAQI
16th Jul 2025446 PMAQI
16th Jul 2025447 PMAQI
16th Jul 2025468 PMAQI
16th Jul 2025499 PMAQI
16th Jul 20255010 PMAQI
16th Jul 20254811 PMAQI
17th Jul 20254912 AMAQI
17th Jul 2025491 AMAQI
17th Jul 2025492 AMAQI
17th Jul 2025483 AMAQI
17th Jul 2025474 AMAQI
28°C27/30°C
17th Jul 2025485 AMAQI
17th Jul 2025486 AMAQI
17th Jul 2025477 AMAQI
17th Jul 2025478 AMAQI
17th Jul 2025389 AMAQI
17th Jul 20253310 AMAQI
17th Jul 20252811 AMAQI
17th Jul 20252912 PMAQI
17th Jul 2025351 PMAQI
17th Jul 2025352 PMAQI
17th Jul 2025353 PMAQI
17th Jul 2025294 PMAQI
17th Jul 2025285 PMAQI
17th Jul 2025296 PMAQI
17th Jul 2025287 PMAQI
17th Jul 2025368 PMAQI
17th Jul 2025459 PMAQI
17th Jul 20254510 PMAQI
17th Jul 20254611 PMAQI
18th Jul 20254512 AMAQI
18th Jul 2025481 AMAQI
18th Jul 2025482 AMAQI
18th Jul 2025503 AMAQI
18th Jul 2025494 AMAQI
28°C27/30°C
18th Jul 2025485 AMAQI
18th Jul 2025486 AMAQI
18th Jul 2025477 AMAQI
18th Jul 2025478 AMAQI
18th Jul 2025289 AMAQI
18th Jul 20252510 AMAQI
18th Jul 20252411 AMAQI
18th Jul 20252712 PMAQI
18th Jul 2025371 PMAQI
18th Jul 2025352 PMAQI
18th Jul 2025363 PMAQI
18th Jul 2025364 PMAQI
18th Jul 2025345 PMAQI
18th Jul 2025356 PMAQI
18th Jul 2025327 PMAQI
18th Jul 2025338 PMAQI
18th Jul 2025429 PMAQI
18th Jul 20254210 PMAQI
18th Jul 20254211 PMAQI
19th Jul 20254112 AMAQI
19th Jul 2025441 AMAQI
19th Jul 2025472 AMAQI
19th Jul 2025473 AMAQI
19th Jul 2025464 AMAQI
28°C27/30°C
19th Jul 2025445 AMAQI
19th Jul 2025446 AMAQI
19th Jul 2025447 AMAQI
19th Jul 2025448 AMAQI
19th Jul 2025269 AMAQI
19th Jul 20252310 AMAQI
19th Jul 20252611 AMAQI
19th Jul 20252612 PMAQI
19th Jul 2025301 PMAQI
19th Jul 2025322 PMAQI
19th Jul 2025253 PMAQI
19th Jul 2025274 PMAQI
19th Jul 2025285 PMAQI
19th Jul 2025266 PMAQI
19th Jul 2025257 PMAQI
19th Jul 2025298 PMAQI
19th Jul 2025389 PMAQI
19th Jul 20253610 PMAQI
19th Jul 20253711 PMAQI
20th Jul 20253612 AMAQI
20th Jul 2025381 AMAQI
20th Jul 2025442 AMAQI
20th Jul 2025443 AMAQI
20th Jul 2025434 AMAQI
28°C28/29°C
20th Jul 2025415 AMAQI
20th Jul 2025416 AMAQI
20th Jul 2025417 AMAQI
20th Jul 2025418 AMAQI
20th Jul 2025329 AMAQI
20th Jul 20252610 AMAQI
20th Jul 20252411 AMAQI
20th Jul 20252412 PMAQI
20th Jul 2025241 PMAQI
20th Jul 2025282 PMAQI
20th Jul 2025313 PMAQI
20th Jul 2025304 PMAQI
20th Jul 2025255 PMAQI
20th Jul 2025226 PMAQI
20th Jul 2025227 PMAQI
20th Jul 2025288 PMAQI
20th Jul 2025349 PMAQI
20th Jul 20253310 PMAQI
20th Jul 20253211 PMAQI
21st Jul 20253412 AMAQI
21st Jul 2025381 AMAQI
21st Jul 2025412 AMAQI
21st Jul 2025413 AMAQI
21st Jul 2025404 AMAQI
28°C28/29°C
21st Jul 2025385 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025387 AMAQI
21st Jul 2025388 AMAQI
21st Jul 2025269 AMAQI
21st Jul 20252410 AMAQI
21st Jul 20252511 AMAQI
21st Jul 20252512 PMAQI
21st Jul 2025251 PMAQI
21st Jul 2025232 PMAQI
21st Jul 2025243 PMAQI
21st Jul 2025264 PMAQI
21st Jul 2025285 PMAQI
21st Jul 2025316 PMAQI
21st Jul 2025287 PMAQI
21st Jul 2025308 PMAQI
21st Jul 2025349 PMAQI
21st Jul 20253310 PMAQI
21st Jul 20253311 PMAQI
22nd Jul 20253412 AMAQI
22nd Jul 2025361 AMAQI
22nd Jul 2025382 AMAQI
22nd Jul 2025383 AMAQI
22nd Jul 2025384 AMAQI
28°C27/29°C
22nd Jul 2025355 AMAQI
22nd Jul 2025366 AMAQI
22nd Jul 2025357 AMAQI
22nd Jul 2025368 AMAQI
22nd Jul 2025269 AMAQI
22nd Jul 20252410 AMAQI
22nd Jul 20252311 AMAQI
22nd Jul 20252812 PMAQI
22nd Jul 2025261 PMAQI
22nd Jul 2025252 PMAQI
22nd Jul 2025273 PMAQI
22nd Jul 2025274 PMAQI
22nd Jul 2025225 PMAQI
22nd Jul 2025256 PMAQI
22nd Jul 2025267 PMAQI
22nd Jul 2025318 PMAQI
22nd Jul 2025339 PMAQI
22nd Jul 20253410 PMAQI
22nd Jul 20253311 PMAQI
23rd Jul 20253212 AMAQI
23rd Jul 2025341 AMAQI
23rd Jul 2025382 AMAQI
23rd Jul 2025363 AMAQI
23rd Jul 2025364 AMAQI
28°C27/29°C
23rd Jul 2025345 AMAQI
23rd Jul 2025366 AMAQI
23rd Jul 2025347 AMAQI
23rd Jul 2025358 AMAQI
23rd Jul 2025249 AMAQI
23rd Jul 20252510 AMAQI
23rd Jul 20253111 AMAQI
23rd Jul 20253212 PMAQI
23rd Jul 2025301 PMAQI
23rd Jul 2025302 PMAQI
23rd Jul 2025293 PMAQI
23rd Jul 2025284 PMAQI
23rd Jul 2025275 PMAQI
23rd Jul 2025266 PMAQI
23rd Jul 2025267 PMAQI
23rd Jul 2025288 PMAQI
23rd Jul 2025319 PMAQI
23rd Jul 20253210 PMAQI
23rd Jul 20253211 PMAQI
24th Jul 20253212 AMAQI
24th Jul 2025341 AMAQI
24th Jul 2025362 AMAQI
24th Jul 2025353 AMAQI
24th Jul 2025354 AMAQI
28°C27/29°C
24th Jul 2025345 AMAQI
24th Jul 2025356 AMAQI
24th Jul 2025347 AMAQI
24th Jul 2025358 AMAQI
24th Jul 2025309 AMAQI
24th Jul 20253710 AMAQI
24th Jul 20253211 AMAQI
24th Jul 20254012 PMAQI
24th Jul 2025401 PMAQI
24th Jul 2025402 PMAQI
24th Jul 2025303 PMAQI
24th Jul 2025284 PMAQI
24th Jul 2025295 PMAQI
24th Jul 2025326 PMAQI
24th Jul 2025277 PMAQI
24th Jul 2025278 PMAQI
24th Jul 2025309 PMAQI
24th Jul 20252810 PMAQI
24th Jul 20252911 PMAQI
25th Jul 20252812 AMAQI
25th Jul 2025301 AMAQI
25th Jul 2025362 AMAQI
25th Jul 2025343 AMAQI
25th Jul 2025354 AMAQI
27°C27/27°C
25th Jul 2025355 AMAQI
25th Jul 2025366 AMAQI
25th Jul 2025357 AMAQI
25th Jul 2025348 AMAQI
25th Jul 2025279 AMAQI
25th Jul 20252410 AMAQI
25th Jul 20252611 AMAQI
25th Jul 20252712 PMAQI
25th Jul 2025271 PMAQI
25th Jul 2025252 PMAQI
25th Jul 2025263 PMAQI
25th Jul 2025344 PMAQI
25th Jul 2025365 PMAQI
25th Jul 2025356 PMAQI
25th Jul 2025307 PMAQI
25th Jul 2025328 PMAQI
25th Jul 2025399 PMAQI
25th Jul 20253810 PMAQI
25th Jul 20253811 PMAQI
26th Jul 20253812 AMAQI
26th Jul 2025371 AMAQI
26th Jul 2025342 AMAQI
26th Jul 2025343 AMAQI
26th Jul 2025324 AMAQI
28°C27/29°C
26th Jul 2025335 AMAQI
26th Jul 2025336 AMAQI
26th Jul 2025327 AMAQI
26th Jul 2025338 AMAQI
26th Jul 2025299 AMAQI
26th Jul 20253210 AMAQI
26th Jul 20253411 AMAQI
26th Jul 20253612 PMAQI
26th Jul 2025431 PMAQI
26th Jul 2025322 PMAQI
26th Jul 2025223 PMAQI
26th Jul 2025184 PMAQI
26th Jul 2025205 PMAQI
26th Jul 2025226 PMAQI
26th Jul 2025207 PMAQI
26th Jul 2025258 PMAQI
26th Jul 2025329 PMAQI
26th Jul 20253210 PMAQI
26th Jul 20253111 PMAQI
27th Jul 20253112 AMAQI
27th Jul 2025321 AMAQI
27th Jul 2025372 AMAQI
27th Jul 2025363 AMAQI
27th Jul 2025364 AMAQI
28°C27/29°C
27th Jul 2025345 AMAQI
27th Jul 2025346 AMAQI
27th Jul 2025347 AMAQI
27th Jul 2025348 AMAQI
27th Jul 2025279 AMAQI
27th Jul 20251710 AMAQI
27th Jul 20251411 AMAQI
27th Jul 20251512 PMAQI
27th Jul 2025161 PMAQI
27th Jul 2025182 PMAQI
27th Jul 2025213 PMAQI
27th Jul 2025234 PMAQI
27th Jul 2025265 PMAQI
27th Jul 2025286 PMAQI
27th Jul 2025237 PMAQI
27th Jul 2025218 PMAQI
27th Jul 2025279 PMAQI
27th Jul 20252510 PMAQI
27th Jul 20252611 PMAQI
28th Jul 20252912 AMAQI
28th Jul 2025321 AMAQI
28th Jul 2025362 AMAQI
28th Jul 2025363 AMAQI
28th Jul 2025344 AMAQI
28°C27/29°C
28th Jul 2025325 AMAQI
28th Jul 2025326 AMAQI
28th Jul 2025327 AMAQI
28th Jul 2025328 AMAQI
28th Jul 2025219 AMAQI
28th Jul 20252010 AMAQI
28th Jul 20252111 AMAQI
28th Jul 20251812 PMAQI
28th Jul 2025211 PMAQI
28th Jul 2025212 PMAQI
28th Jul 2025183 PMAQI
28th Jul 2025204 PMAQI
28th Jul 2025215 PMAQI
28th Jul 2025226 PMAQI
28th Jul 2025217 PMAQI
28th Jul 2025208 PMAQI
28th Jul 2025249 PMAQI
28th Jul 20252810 PMAQI
28th Jul 20253011 PMAQI
29th Jul 20253212 AMAQI
29th Jul 2025311 AMAQI
29th Jul 2025342 AMAQI
29th Jul 2025343 AMAQI
29th Jul 2025334 AMAQI
27°C27/28°C
29th Jul 2025325 AMAQI
29th Jul 2025316 AMAQI
29th Jul 2025317 AMAQI
29th Jul 2025318 AMAQI
29th Jul 2025269 AMAQI
29th Jul 20252810 AMAQI
29th Jul 20254011 AMAQI
29th Jul 20254912 PMAQI
29th Jul 2025421 PMAQI
29th Jul 2025282 PMAQI
29th Jul 2025383 PMAQI
29th Jul 2025434 PMAQI
29th Jul 2025355 PMAQI
29th Jul 2025316 PMAQI
29th Jul 2025297 PMAQI
29th Jul 2025268 PMAQI
29th Jul 2025289 PMAQI
29th Jul 20252910 PMAQI
29th Jul 20253011 PMAQI
30th Jul 20253412 AMAQI
30th Jul 2025351 AMAQI
30th Jul 2025332 AMAQI
30th Jul 2025333 AMAQI
30th Jul 2025344 AMAQI
28°C27/29°C
30th Jul 2025345 AMAQI
30th Jul 2025346 AMAQI
30th Jul 2025347 AMAQI
30th Jul 2025348 AMAQI
30th Jul 2025379 AMAQI
30th Jul 20254210 AMAQI
30th Jul 20253811 AMAQI
30th Jul 20253812 PMAQI
30th Jul 2025381 PMAQI
30th Jul 2025352 PMAQI
30th Jul 2025333 PMAQI
30th Jul 2025324 PMAQI
30th Jul 2025295 PMAQI
30th Jul 2025286 PMAQI
30th Jul 2025287 PMAQI
30th Jul 2025348 PMAQI
30th Jul 2025339 PMAQI
30th Jul 20253610 PMAQI
30th Jul 20253111 PMAQI
31st Jul 20253112 AMAQI
31st Jul 2025331 AMAQI
31st Jul 2025342 AMAQI
31st Jul 2025333 AMAQI
31st Jul 2025334 AMAQI
28°C27/29°C
31st Jul 2025335 AMAQI
31st Jul 2025336 AMAQI
31st Jul 2025337 AMAQI
31st Jul 2025338 AMAQI
31st Jul 2025339 AMAQI
31st Jul 20253310 AMAQI
31st Jul 20253011 AMAQI
31st Jul 20253012 PMAQI
31st Jul 2025341 PMAQI
31st Jul 2025322 PMAQI
31st Jul 2025293 PMAQI
31st Jul 2025284 PMAQI
31st Jul 2025305 PMAQI
31st Jul 2025276 PMAQI
31st Jul 2025267 PMAQI
31st Jul 2025378 PMAQI
31st Jul 2025499 PMAQI
31st Jul 20254910 PMAQI
31st Jul 20255211 PMAQI
1st Aug 20254812 AMAQI
1st Aug 2025461 AMAQI
1st Aug 2025422 AMAQI
1st Aug 2025403 AMAQI
1st Aug 2025424 AMAQI
28°C27/30°C
1st Aug 2025405 AMAQI
1st Aug 2025406 AMAQI
1st Aug 2025427 AMAQI
1st Aug 2025458 AMAQI
1st Aug 2025489 AMAQI
1st Aug 20255310 AMAQI
1st Aug 20255311 AMAQI
1st Aug 20255112 PMAQI
1st Aug 2025531 PMAQI
1st Aug 2025492 PMAQI
1st Aug 2025483 PMAQI
1st Aug 2025564 PMAQI
1st Aug 2025535 PMAQI
1st Aug 2025526 PMAQI
1st Aug 2025457 PMAQI
1st Aug 2025528 PMAQI
1st Aug 2025559 PMAQI
1st Aug 20255810 PMAQI
1st Aug 20255611 PMAQI
2nd Aug 20254812 AMAQI
2nd Aug 2025481 AMAQI
2nd Aug 2025442 AMAQI
2nd Aug 2025443 AMAQI
2nd Aug 2025484 AMAQI
28°C27/29°C
2nd Aug 2025485 AMAQI
2nd Aug 2025486 AMAQI
2nd Aug 2025467 AMAQI
2nd Aug 2025478 AMAQI
2nd Aug 2025579 AMAQI
2nd Aug 20256210 AMAQI
2nd Aug 20256011 AMAQI
2nd Aug 20255312 PMAQI
2nd Aug 2025581 PMAQI
2nd Aug 2025732 PMAQI
2nd Aug 2025673 PMAQI
2nd Aug 2025514 PMAQI
2nd Aug 2025525 PMAQI
2nd Aug 2025526 PMAQI
2nd Aug 2025507 PMAQI
2nd Aug 2025438 PMAQI
2nd Aug 2025499 PMAQI
2nd Aug 20255110 PMAQI
2nd Aug 20254611 PMAQI
3rd Aug 20254312 AMAQI
3rd Aug 2025461 AMAQI
--°C/°C
5 AM
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 AM
40AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
9 AM - 12 PM
32AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 40), while the lowest AQI was between 9 AM to 12 PM (Avg. 32).
Night time
Avg. Highest Time
12 AM - 4 AM
40AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
8 PM
34AQI
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. 40), while the lowest AQI was between 8 PM to 8 PM (Avg. 34).
2025 Days Vs Air Quality
Koja, Okinawa, Japan
2025
88%
187
12%
26
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Good
187 DaysModerate
26 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2025, 88% of 214 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
Koja, Okinawa, Japan
AQI levels in 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
1st January 2025
44AQI
44AQI
2nd January 2025
55AQI
55AQI
3rd January 2025
52AQI
52AQI
4th January 2025
41AQI
41AQI
5th January 2025
42AQI
42AQI
6th January 2025
50AQI
50AQI
7th January 2025
43AQI
43AQI
8th January 2025
39AQI
39AQI
9th January 2025
45AQI
45AQI
10th January 2025
34AQI
34AQI
11th January 2025
35AQI
35AQI
12th January 2025
41AQI
41AQI
13th January 2025
49AQI
49AQI
14th January 2025
48AQI
48AQI
15th January 2025
55AQI
55AQI
16th January 2025
40AQI
40AQI
17th January 2025
41AQI
41AQI
18th January 2025
40AQI
40AQI
19th January 2025
38AQI
38AQI
20th January 2025
36AQI
36AQI
21st January 2025
49AQI
49AQI
22nd January 2025
50AQI
50AQI
23rd January 2025
52AQI
52AQI
24th January 2025
48AQI
48AQI
25th January 2025
54AQI
54AQI
26th January 2025
47AQI
47AQI
27th January 2025
50AQI
50AQI
28th January 2025
52AQI
52AQI
29th January 2025
50AQI
50AQI
30th January 2025
46AQI
46AQI
31st January 2025
43AQI
43AQI
1st February 2025
38AQI
38AQI
2nd February 2025
37AQI
37AQI
3rd February 2025
44AQI
44AQI
4th February 2025
46AQI
46AQI
5th February 2025
57AQI
57AQI
6th February 2025
59AQI
59AQI
7th February 2025
46AQI
46AQI
8th February 2025
41AQI
41AQI
9th February 2025
37AQI
37AQI
10th February 2025
33AQI
33AQI
11th February 2025
32AQI
32AQI
12th February 2025
39AQI
39AQI
13th February 2025
41AQI
41AQI
14th February 2025
37AQI
37AQI
15th February 2025
43AQI
43AQI
16th February 2025
35AQI
35AQI
17th February 2025
54AQI
54AQI
18th February 2025
36AQI
36AQI
19th February 2025
54AQI
54AQI
20th February 2025
35AQI
35AQI
21st February 2025
40AQI
40AQI
22nd February 2025
35AQI
35AQI
23rd February 2025
43AQI
43AQI
24th February 2025
39AQI
39AQI
25th February 2025
38AQI
38AQI
26th February 2025
41AQI
41AQI
27th February 2025
34AQI
34AQI
28th February 2025
38AQI
38AQI
1st March 2025
35AQI
35AQI
2nd March 2025
42AQI
42AQI
3rd March 2025
40AQI
40AQI
4th March 2025
34AQI
34AQI
5th March 2025
33AQI
33AQI
6th March 2025
30AQI
30AQI
7th March 2025
36AQI
36AQI
8th March 2025
34AQI
34AQI
9th March 2025
39AQI
39AQI
10th March 2025
34AQI
34AQI
11th March 2025
42AQI
42AQI
12th March 2025
37AQI
37AQI
13th March 2025
42AQI
42AQI
14th March 2025
35AQI
35AQI
15th March 2025
33AQI
33AQI
16th March 2025
36AQI
36AQI
17th March 2025
43AQI
43AQI
18th March 2025
45AQI
45AQI
19th March 2025
45AQI
45AQI
20th March 2025
42AQI
42AQI
21st March 2025
45AQI
45AQI
22nd March 2025
44AQI
44AQI
23rd March 2025
43AQI
43AQI
24th March 2025
52AQI
52AQI
25th March 2025
55AQI
55AQI
26th March 2025
41AQI
41AQI
27th March 2025
43AQI
43AQI
28th March 2025
60AQI
60AQI
29th March 2025
42AQI
42AQI
30th March 2025
34AQI
34AQI
31st March 2025
33AQI
33AQI
1st April 2025
28AQI
28AQI
2nd April 2025
39AQI
39AQI
3rd April 2025
43AQI
43AQI
4th April 2025
41AQI
41AQI
5th April 2025
42AQI
42AQI
6th April 2025
45AQI
45AQI
7th April 2025
50AQI
50AQI
8th April 2025
49AQI
49AQI
9th April 2025
44AQI
44AQI
10th April 2025
45AQI
45AQI
11th April 2025
54AQI
54AQI
12th April 2025
46AQI
46AQI
13th April 2025
57AQI
57AQI
14th April 2025
57AQI
57AQI
15th April 2025
50AQI
50AQI
16th April 2025
52AQI
52AQI
17th April 2025
54AQI
54AQI
18th April 2025
39AQI
39AQI
19th April 2025
30AQI
30AQI
20th April 2025
31AQI
31AQI
21st April 2025
25AQI
25AQI
22nd April 2025
29AQI
29AQI
23rd April 2025
27AQI
27AQI
24th April 2025
35AQI
35AQI
25th April 2025
27AQI
27AQI
26th April 2025
46AQI
46AQI
27th April 2025
36AQI
36AQI
28th April 2025
37AQI
37AQI
29th April 2025
41AQI
41AQI
30th April 2025
42AQI
42AQI
1st May 2025
38AQI
38AQI
2nd May 2025
52AQI
52AQI
3rd May 2025
55AQI
55AQI
4th May 2025
57AQI
57AQI
5th May 2025
41AQI
41AQI
6th May 2025
41AQI
41AQI
7th May 2025
56AQI
56AQI
8th May 2025
55AQI
55AQI
9th May 2025
42AQI
42AQI
10th May 2025
33AQI
33AQI
11th May 2025
43AQI
43AQI
12th May 2025
41AQI
41AQI
13th May 2025
51AQI
51AQI
14th May 2025
41AQI
41AQI
15th May 2025
39AQI
39AQI
16th May 2025
33AQI
33AQI
17th May 2025
33AQI
33AQI
18th May 2025
31AQI
31AQI
19th May 2025
29AQI
29AQI
20th May 2025
25AQI
25AQI
21st May 2025
24AQI
24AQI
22nd May 2025
29AQI
29AQI
23rd May 2025
26AQI
26AQI
24th May 2025
26AQI
26AQI
25th May 2025
42AQI
42AQI
26th May 2025
35AQI
35AQI
27th May 2025
42AQI
42AQI
28th May 2025
36AQI
36AQI
29th May 2025
31AQI
31AQI
30th May 2025
47AQI
47AQI
31st May 2025
55AQI
55AQI
1st June 2025
55AQI
55AQI
2nd June 2025
48AQI
48AQI
3rd June 2025
44AQI
44AQI
4th June 2025
45AQI
45AQI
5th June 2025
46AQI
46AQI
6th June 2025
36AQI
36AQI
7th June 2025
41AQI
41AQI
8th June 2025
31AQI
31AQI
9th June 2025
36AQI
36AQI
10th June 2025
37AQI
37AQI
11th June 2025
33AQI
33AQI
12th June 2025
32AQI
32AQI
13th June 2025
31AQI
31AQI
14th June 2025
36AQI
36AQI
15th June 2025
46AQI
46AQI
16th June 2025
39AQI
39AQI
17th June 2025
33AQI
33AQI
18th June 2025
33AQI
33AQI
19th June 2025
32AQI
32AQI
20th June 2025
29AQI
29AQI
21st June 2025
27AQI
27AQI
22nd June 2025
19AQI
19AQI
23rd June 2025
21AQI
21AQI
24th June 2025
22AQI
22AQI
25th June 2025
21AQI
21AQI
26th June 2025
21AQI
21AQI
27th June 2025
22AQI
22AQI
28th June 2025
23AQI
23AQI
29th June 2025
24AQI
24AQI
30th June 2025
25AQI
25AQI
1st July 2025
31AQI
31AQI
2nd July 2025
31AQI
31AQI
3rd July 2025
36AQI
36AQI
4th July 2025
37AQI
37AQI
5th July 2025
36AQI
36AQI
6th July 2025
34AQI
34AQI
7th July 2025
34AQI
34AQI
8th July 2025
36AQI
36AQI
9th July 2025
35AQI
35AQI
10th July 2025
34AQI
34AQI
11th July 2025
38AQI
38AQI
12th July 2025
39AQI
39AQI
13th July 2025
44AQI
44AQI
14th July 2025
46AQI
46AQI
15th July 2025
48AQI
48AQI
16th July 2025
46AQI
46AQI
17th July 2025
41AQI
41AQI
18th July 2025
41AQI
41AQI
19th July 2025
35AQI
35AQI
20th July 2025
33AQI
33AQI
21st July 2025
32AQI
32AQI
22nd July 2025
31AQI
31AQI
23rd July 2025
31AQI
31AQI
24th July 2025
33AQI
33AQI
25th July 2025
33AQI
33AQI
26th July 2025
30AQI
30AQI
27th July 2025
27AQI
27AQI
28th July 2025
26AQI
26AQI
29th July 2025
33AQI
33AQI
30th July 2025
34AQI
34AQI
31st July 2025
34AQI
34AQI
1st August 2025
47AQI
47AQI
45AQI
41AQI
40AQI
41AQI
40AQI
33AQI
35AQI
47AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202540AQI
25
6
24
4
28
3
25
5
24
7
29
1
31
1
187
26
Highest AQI recorded in
August47AQI
Lowest AQI recorded in
June33AQI
202439AQI
16
1
15
3
26
4
27
3
30
1
26
5
9
1
6
23
8
30
30
1
233
26
6
Highest AQI recorded in
September69AQI
Lowest AQI recorded in
January19AQI
202335AQI
29
1
26
2
30
1
23
7
22
8
26
3
28
13
6
27
9
4
1
3
31
267
32
1
Highest AQI recorded in
October52AQI
Lowest AQI recorded in
December19AQI
202230AQI
3
20
1
29
2
25
3
30
30
24
1
24
4
22
29
1
30
1
267
12
Highest AQI recorded in
August42AQI
Lowest AQI recorded in
July18AQI
202129AQI
31
26
2
28
1
20
1
30
1
29
1
26
30
1
27
1
30
1
29
1
31
337
10
Highest AQI recorded in
April37AQI
Lowest AQI recorded in
July20AQI
202027AQI
11
2
16
5
17
1
30
31
19
8
1
15
1
27
4
30
31
227
21
1
Highest AQI recorded in
August40AQI
Lowest AQI recorded in
June16AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
40AQILeast Polluted Year Recorded
2020(Avg.)
27AQIKoja's annual 2025 AQI (40) shows an average percentage change of 26.5% (worsened AQI) compared to previous years: 2020 (27), 2021 (29), 2022 (30), 2023 (35), 2024 (39).
