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+
July Air Quality Analysis
Koja, Okinawa, Japan
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
10th Jul 2026
58AQILowest AQI recorded on
12th Jul 2022
9AQISame Day Analysis (30th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 35 of Good air quality on the same day.
Day & Night AQI Trend: 29th Jul - 30th Jul 2026
Koja, Okinawa, Japan
AQI
Day
Night
.
5 AM29th Jul 2026
7 PM
4 AM30th Jul 2026
Day time
Avg. Highest Time
5PM29th Jul
36AQI
Avg. Lowest Time
9AM29th Jul
21AQI
Night time
Avg. Highest Time
12AM30th Jul
36AQI
Avg. Lowest Time
10PM29th Jul
23AQI
In the last 24 hours,
Koja's AQI reached its highest point of 36 at 5 PM during the Day, while the lowest point, 21, was recorded at 9 AM during the Day between 29th Jul and 30th Jul 2026.
Day & Night AQI Trend : Jul 2026
Koja, Okinawa, Japan
Jul
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
Day
Night
1st Jul 2026235 AMAQI
1st Jul 2026246 AMAQI
1st Jul 2026207 AMAQI
1st Jul 2026188 AMAQI
1st Jul 2026279 AMAQI
1st Jul 20262410 AMAQI
1st Jul 20262211 AMAQI
1st Jul 20262412 PMAQI
1st Jul 2026241 PMAQI
1st Jul 2026232 PMAQI
1st Jul 2026243 PMAQI
1st Jul 2026244 PMAQI
1st Jul 2026235 PMAQI
1st Jul 2026226 PMAQI
1st Jul 2026227 PMAQI
1st Jul 2026248 PMAQI
1st Jul 2026249 PMAQI
1st Jul 20262610 PMAQI
1st Jul 20262611 PMAQI
2nd Jul 20262712 AMAQI
2nd Jul 2026241 AMAQI
2nd Jul 2026242 AMAQI
2nd Jul 2026253 AMAQI
2nd Jul 2026224 AMAQI
27°C26/29°C
2nd Jul 2026265 AMAQI
2nd Jul 2026226 AMAQI
2nd Jul 2026247 AMAQI
2nd Jul 2026238 AMAQI
2nd Jul 2026239 AMAQI
2nd Jul 20262110 AMAQI
2nd Jul 20262011 AMAQI
2nd Jul 20261812 PMAQI
2nd Jul 2026201 PMAQI
2nd Jul 2026202 PMAQI
2nd Jul 2026213 PMAQI
2nd Jul 2026214 PMAQI
2nd Jul 2026225 PMAQI
2nd Jul 2026246 PMAQI
2nd Jul 2026257 PMAQI
2nd Jul 2026228 PMAQI
2nd Jul 2026259 PMAQI
2nd Jul 20262410 PMAQI
2nd Jul 20262411 PMAQI
3rd Jul 20262612 AMAQI
3rd Jul 2026241 AMAQI
3rd Jul 2026242 AMAQI
3rd Jul 2026243 AMAQI
3rd Jul 2026244 AMAQI
27°C26/29°C
3rd Jul 2026245 AMAQI
3rd Jul 2026236 AMAQI
3rd Jul 2026267 AMAQI
3rd Jul 2026248 AMAQI
3rd Jul 2026249 AMAQI
3rd Jul 20262210 AMAQI
3rd Jul 20262211 AMAQI
3rd Jul 20262112 PMAQI
3rd Jul 2026211 PMAQI
3rd Jul 2026242 PMAQI
3rd Jul 2026253 PMAQI
3rd Jul 2026264 PMAQI
3rd Jul 2026245 PMAQI
3rd Jul 2026226 PMAQI
3rd Jul 2026227 PMAQI
3rd Jul 2026248 PMAQI
3rd Jul 2026249 PMAQI
3rd Jul 20262510 PMAQI
3rd Jul 20262811 PMAQI
4th Jul 20262612 AMAQI
4th Jul 2026271 AMAQI
4th Jul 2026262 AMAQI
4th Jul 2026263 AMAQI
4th Jul 2026244 AMAQI
27°C26/29°C
4th Jul 2026255 AMAQI
4th Jul 2026266 AMAQI
4th Jul 2026257 AMAQI
4th Jul 2026268 AMAQI
4th Jul 2026239 AMAQI
4th Jul 20262410 AMAQI
4th Jul 20262311 AMAQI
4th Jul 20262012 PMAQI
4th Jul 2026211 PMAQI
4th Jul 2026242 PMAQI
4th Jul 2026243 PMAQI
4th Jul 2026254 PMAQI
4th Jul 2026245 PMAQI
4th Jul 2026226 PMAQI
4th Jul 2026227 PMAQI
4th Jul 2026228 PMAQI
4th Jul 2026219 PMAQI
4th Jul 20262310 PMAQI
4th Jul 20262211 PMAQI
5th Jul 20262412 AMAQI
5th Jul 2026241 AMAQI
5th Jul 2026212 AMAQI
5th Jul 2026223 AMAQI
5th Jul 2026204 AMAQI
27°C26/29°C
5th Jul 2026225 AMAQI
5th Jul 2026236 AMAQI
5th Jul 2026227 AMAQI
5th Jul 2026228 AMAQI
5th Jul 2026199 AMAQI
5th Jul 20261810 AMAQI
5th Jul 20261811 AMAQI
5th Jul 20261812 PMAQI
5th Jul 2026181 PMAQI
5th Jul 2026202 PMAQI
5th Jul 2026223 PMAQI
5th Jul 2026224 PMAQI
5th Jul 2026225 PMAQI
5th Jul 2026216 PMAQI
5th Jul 2026227 PMAQI
5th Jul 2026208 PMAQI
5th Jul 2026229 PMAQI
5th Jul 20261610 PMAQI
5th Jul 20262111 PMAQI
6th Jul 2026812 AMAQI
6th Jul 2026221 AMAQI
6th Jul 2026232 AMAQI
6th Jul 2026163 AMAQI
6th Jul 2026154 AMAQI
28°C26/29°C
6th Jul 2026125 AMAQI
6th Jul 2026166 AMAQI
6th Jul 202687 AMAQI
6th Jul 2026168 AMAQI
6th Jul 2026149 AMAQI
6th Jul 20263010 AMAQI
6th Jul 20263411 AMAQI
6th Jul 20261412 PMAQI
6th Jul 2026141 PMAQI
6th Jul 202682 PMAQI
6th Jul 202683 PMAQI
6th Jul 202684 PMAQI
6th Jul 2026195 PMAQI
6th Jul 2026166 PMAQI
6th Jul 2026147 PMAQI
6th Jul 2026188 PMAQI
6th Jul 2026249 PMAQI
6th Jul 20262410 PMAQI
6th Jul 20262411 PMAQI
7th Jul 20261612 AMAQI
7th Jul 202681 AMAQI
7th Jul 202682 AMAQI
7th Jul 202683 AMAQI
7th Jul 202684 AMAQI
28°C26/30°C
7th Jul 2026185 AMAQI
7th Jul 202686 AMAQI
7th Jul 202687 AMAQI
7th Jul 202688 AMAQI
7th Jul 202689 AMAQI
7th Jul 2026810 AMAQI
7th Jul 20261411 AMAQI
7th Jul 20261412 PMAQI
7th Jul 2026191 PMAQI
7th Jul 2026172 PMAQI
7th Jul 2026183 PMAQI
7th Jul 2026184 PMAQI
7th Jul 2026265 PMAQI
7th Jul 2026256 PMAQI
7th Jul 2026257 PMAQI
7th Jul 2026248 PMAQI
7th Jul 2026269 PMAQI
7th Jul 20262610 PMAQI
7th Jul 20262511 PMAQI
8th Jul 20262812 AMAQI
8th Jul 2026221 AMAQI
8th Jul 2026272 AMAQI
8th Jul 2026103 AMAQI
8th Jul 202684 AMAQI
28°C26/30°C
8th Jul 2026265 AMAQI
8th Jul 202686 AMAQI
8th Jul 202697 AMAQI
8th Jul 2026208 AMAQI
8th Jul 2026119 AMAQI
8th Jul 20261010 AMAQI
8th Jul 20262411 AMAQI
8th Jul 20262212 PMAQI
8th Jul 2026221 PMAQI
8th Jul 2026222 PMAQI
8th Jul 2026253 PMAQI
8th Jul 2026244 PMAQI
8th Jul 2026255 PMAQI
8th Jul 2026246 PMAQI
8th Jul 2026257 PMAQI
8th Jul 2026228 PMAQI
8th Jul 2026229 PMAQI
8th Jul 20262210 PMAQI
8th Jul 20262611 PMAQI
9th Jul 20262612 AMAQI
9th Jul 2026281 AMAQI
9th Jul 2026312 AMAQI
9th Jul 2026303 AMAQI
9th Jul 2026304 AMAQI
28°C26/30°C
9th Jul 2026295 AMAQI
9th Jul 2026316 AMAQI
9th Jul 2026317 AMAQI
9th Jul 2026308 AMAQI
9th Jul 2026269 AMAQI
9th Jul 20262810 AMAQI
9th Jul 20262611 AMAQI
9th Jul 20262912 PMAQI
9th Jul 2026271 PMAQI
9th Jul 2026282 PMAQI
9th Jul 2026343 PMAQI
9th Jul 2026324 PMAQI
9th Jul 2026315 PMAQI
9th Jul 2026286 PMAQI
9th Jul 2026327 PMAQI
9th Jul 2026308 PMAQI
9th Jul 2026329 PMAQI
9th Jul 20263410 PMAQI
9th Jul 20263811 PMAQI
10th Jul 20263812 AMAQI
10th Jul 2026341 AMAQI
10th Jul 2026572 AMAQI
10th Jul 2026603 AMAQI
10th Jul 2026624 AMAQI
29°C28/30°C
10th Jul 2026605 AMAQI
10th Jul 2026606 AMAQI
10th Jul 2026607 AMAQI
10th Jul 2026608 AMAQI
10th Jul 2026619 AMAQI
10th Jul 20266210 AMAQI
10th Jul 20266411 AMAQI
10th Jul 20266412 PMAQI
10th Jul 2026661 PMAQI
10th Jul 2026652 PMAQI
10th Jul 2026653 PMAQI
10th Jul 2026664 PMAQI
10th Jul 2026695 PMAQI
10th Jul 2026696 PMAQI
10th Jul 2026707 PMAQI
10th Jul 2026668 PMAQI
10th Jul 2026489 PMAQI
10th Jul 20263510 PMAQI
10th Jul 20263511 PMAQI
11th Jul 20263412 AMAQI
11th Jul 2026331 AMAQI
11th Jul 2026352 AMAQI
11th Jul 2026323 AMAQI
11th Jul 2026304 AMAQI
28°C27/29°C
11th Jul 2026335 AMAQI
11th Jul 2026346 AMAQI
11th Jul 2026307 AMAQI
11th Jul 2026348 AMAQI
11th Jul 2026329 AMAQI
11th Jul 20263410 AMAQI
11th Jul 20263011 AMAQI
11th Jul 20262912 PMAQI
11th Jul 2026261 PMAQI
11th Jul 2026252 PMAQI
11th Jul 2026243 PMAQI
11th Jul 2026284 PMAQI
11th Jul 2026305 PMAQI
11th Jul 2026316 PMAQI
11th Jul 2026337 PMAQI
11th Jul 2026288 PMAQI
11th Jul 2026319 PMAQI
11th Jul 20263410 PMAQI
11th Jul 20263111 PMAQI
12th Jul 20263212 AMAQI
12th Jul 2026321 AMAQI
12th Jul 2026322 AMAQI
12th Jul 2026303 AMAQI
12th Jul 2026284 AMAQI
28°C27/29°C
12th Jul 2026305 AMAQI
12th Jul 2026326 AMAQI
12th Jul 2026307 AMAQI
12th Jul 2026288 AMAQI
12th Jul 2026309 AMAQI
12th Jul 20263110 AMAQI
12th Jul 20262611 AMAQI
12th Jul 20262812 PMAQI
12th Jul 2026261 PMAQI
12th Jul 2026222 PMAQI
12th Jul 2026243 PMAQI
12th Jul 2026274 PMAQI
12th Jul 2026315 PMAQI
12th Jul 2026306 PMAQI
12th Jul 2026307 PMAQI
12th Jul 2026318 PMAQI
12th Jul 2026329 PMAQI
12th Jul 20263110 PMAQI
12th Jul 20263011 PMAQI
13th Jul 20263012 AMAQI
13th Jul 2026281 AMAQI
13th Jul 2026302 AMAQI
13th Jul 2026303 AMAQI
13th Jul 2026294 AMAQI
29°C28/29°C
13th Jul 2026285 AMAQI
13th Jul 2026286 AMAQI
13th Jul 2026307 AMAQI
13th Jul 2026288 AMAQI
13th Jul 2026309 AMAQI
13th Jul 20262910 AMAQI
13th Jul 20262811 AMAQI
13th Jul 20265312 PMAQI
13th Jul 2026671 PMAQI
13th Jul 2026362 PMAQI
13th Jul 2026313 PMAQI
13th Jul 2026314 PMAQI
13th Jul 2026335 PMAQI
13th Jul 2026296 PMAQI
13th Jul 2026297 PMAQI
13th Jul 2026298 PMAQI
13th Jul 2026299 PMAQI
13th Jul 20263310 PMAQI
13th Jul 20263011 PMAQI
14th Jul 20263112 AMAQI
14th Jul 2026321 AMAQI
14th Jul 2026322 AMAQI
14th Jul 2026323 AMAQI
14th Jul 2026284 AMAQI
29°C28/30°C
14th Jul 2026285 AMAQI
14th Jul 2026266 AMAQI
14th Jul 2026287 AMAQI
14th Jul 2026268 AMAQI
14th Jul 2026309 AMAQI
14th Jul 20263210 AMAQI
14th Jul 20262711 AMAQI
14th Jul 20262412 PMAQI
14th Jul 2026221 PMAQI
14th Jul 2026212 PMAQI
14th Jul 2026203 PMAQI
14th Jul 2026224 PMAQI
14th Jul 2026285 PMAQI
14th Jul 2026286 PMAQI
14th Jul 2026297 PMAQI
14th Jul 2026198 PMAQI
14th Jul 2026199 PMAQI
14th Jul 20262110 PMAQI
14th Jul 20263211 PMAQI
15th Jul 20263412 AMAQI
15th Jul 2026301 AMAQI
15th Jul 2026312 AMAQI
15th Jul 2026283 AMAQI
15th Jul 2026254 AMAQI
28°C27/30°C
15th Jul 2026325 AMAQI
15th Jul 2026276 AMAQI
15th Jul 2026287 AMAQI
15th Jul 2026318 AMAQI
15th Jul 2026289 AMAQI
15th Jul 20263010 AMAQI
15th Jul 20262411 AMAQI
15th Jul 20262212 PMAQI
15th Jul 2026201 PMAQI
15th Jul 2026182 PMAQI
15th Jul 2026203 PMAQI
15th Jul 2026224 PMAQI
15th Jul 2026255 PMAQI
15th Jul 2026246 PMAQI
15th Jul 2026227 PMAQI
15th Jul 2026268 PMAQI
15th Jul 2026249 PMAQI
15th Jul 20262710 PMAQI
15th Jul 20262611 PMAQI
16th Jul 20262512 AMAQI
16th Jul 2026271 AMAQI
16th Jul 2026282 AMAQI
16th Jul 2026293 AMAQI
16th Jul 2026274 AMAQI
28°C26/29°C
16th Jul 2026305 AMAQI
16th Jul 2026266 AMAQI
16th Jul 2026287 AMAQI
16th Jul 2026288 AMAQI
16th Jul 2026279 AMAQI
16th Jul 20263010 AMAQI
16th Jul 20262611 AMAQI
16th Jul 20262612 PMAQI
16th Jul 2026261 PMAQI
16th Jul 2026262 PMAQI
16th Jul 2026243 PMAQI
16th Jul 2026204 PMAQI
16th Jul 2026275 PMAQI
16th Jul 2026266 PMAQI
16th Jul 2026287 PMAQI
16th Jul 2026288 PMAQI
16th Jul 2026279 PMAQI
16th Jul 20262810 PMAQI
16th Jul 20262611 PMAQI
17th Jul 20263012 AMAQI
17th Jul 2026281 AMAQI
17th Jul 2026282 AMAQI
17th Jul 2026303 AMAQI
17th Jul 2026284 AMAQI
28°C27/29°C
17th Jul 2026285 AMAQI
17th Jul 2026306 AMAQI
17th Jul 2026287 AMAQI
17th Jul 2026268 AMAQI
17th Jul 2026279 AMAQI
17th Jul 20262710 AMAQI
17th Jul 20262611 AMAQI
17th Jul 20262612 PMAQI
17th Jul 2026241 PMAQI
17th Jul 2026332 PMAQI
17th Jul 2026213 PMAQI
17th Jul 2026424 PMAQI
17th Jul 2026385 PMAQI
17th Jul 2026446 PMAQI
17th Jul 2026407 PMAQI
17th Jul 2026408 PMAQI
17th Jul 2026299 PMAQI
17th Jul 20263310 PMAQI
17th Jul 20262911 PMAQI
18th Jul 20263612 AMAQI
18th Jul 2026461 AMAQI
18th Jul 2026422 AMAQI
18th Jul 2026313 AMAQI
18th Jul 2026384 AMAQI
28°C27/29°C
18th Jul 2026365 AMAQI
18th Jul 2026446 AMAQI
18th Jul 2026407 AMAQI
18th Jul 2026328 AMAQI
18th Jul 2026529 AMAQI
18th Jul 20262510 AMAQI
18th Jul 20262511 AMAQI
18th Jul 20263612 PMAQI
18th Jul 2026401 PMAQI
18th Jul 2026422 PMAQI
18th Jul 2026313 PMAQI
18th Jul 2026344 PMAQI
18th Jul 2026315 PMAQI
18th Jul 2026386 PMAQI
18th Jul 2026427 PMAQI
18th Jul 2026408 PMAQI
18th Jul 2026389 PMAQI
18th Jul 20264210 PMAQI
18th Jul 20266011 PMAQI
19th Jul 20265812 AMAQI
19th Jul 2026581 AMAQI
19th Jul 2026482 AMAQI
19th Jul 2026443 AMAQI
19th Jul 2026464 AMAQI
28°C27/30°C
19th Jul 2026445 AMAQI
19th Jul 2026476 AMAQI
19th Jul 2026427 AMAQI
19th Jul 2026588 AMAQI
19th Jul 2026449 AMAQI
19th Jul 20263610 AMAQI
19th Jul 20263811 AMAQI
19th Jul 20265212 PMAQI
19th Jul 2026531 PMAQI
19th Jul 2026542 PMAQI
19th Jul 2026423 PMAQI
19th Jul 2026584 PMAQI
19th Jul 2026465 PMAQI
19th Jul 2026566 PMAQI
19th Jul 2026447 PMAQI
19th Jul 2026558 PMAQI
19th Jul 2026569 PMAQI
19th Jul 20266610 PMAQI
19th Jul 20265811 PMAQI
20th Jul 20265412 AMAQI
20th Jul 2026341 AMAQI
20th Jul 2026292 AMAQI
20th Jul 2026313 AMAQI
20th Jul 2026274 AMAQI
29°C27/30°C
20th Jul 2026345 AMAQI
20th Jul 2026386 AMAQI
20th Jul 2026487 AMAQI
20th Jul 2026408 AMAQI
20th Jul 2026369 AMAQI
20th Jul 20265710 AMAQI
20th Jul 20264911 AMAQI
20th Jul 20265112 PMAQI
20th Jul 2026531 PMAQI
20th Jul 2026292 PMAQI
20th Jul 2026403 PMAQI
20th Jul 2026334 PMAQI
20th Jul 2026365 PMAQI
20th Jul 2026296 PMAQI
20th Jul 2026367 PMAQI
20th Jul 2026238 PMAQI
20th Jul 2026299 PMAQI
20th Jul 20263610 PMAQI
20th Jul 20264011 PMAQI
21st Jul 20263212 AMAQI
21st Jul 2026211 AMAQI
21st Jul 2026252 AMAQI
21st Jul 2026273 AMAQI
21st Jul 2026254 AMAQI
28°C27/30°C
21st Jul 2026255 AMAQI
21st Jul 2026316 AMAQI
21st Jul 2026367 AMAQI
21st Jul 2026328 AMAQI
21st Jul 2026529 AMAQI
21st Jul 20266010 AMAQI
21st Jul 20265611 AMAQI
21st Jul 2026561 PMAQI
21st Jul 2026572 PMAQI
21st Jul 2026653 PMAQI
21st Jul 2026624 PMAQI
21st Jul 2026535 PMAQI
21st Jul 2026336 PMAQI
21st Jul 2026907 PMAQI
21st Jul 2026488 PMAQI
21st Jul 2026449 PMAQI
21st Jul 20264510 PMAQI
21st Jul 20265411 PMAQI
22nd Jul 20265812 AMAQI
22nd Jul 2026511 AMAQI
22nd Jul 2026522 AMAQI
22nd Jul 2026533 AMAQI
22nd Jul 2026494 AMAQI
28°C27/30°C
22nd Jul 2026475 AMAQI
22nd Jul 2026496 AMAQI
22nd Jul 2026547 AMAQI
22nd Jul 2026628 AMAQI
22nd Jul 2026649 AMAQI
22nd Jul 20266210 AMAQI
22nd Jul 20266611 AMAQI
22nd Jul 20266412 PMAQI
22nd Jul 2026561 PMAQI
22nd Jul 2026442 PMAQI
22nd Jul 2026403 PMAQI
22nd Jul 2026424 PMAQI
22nd Jul 2026535 PMAQI
22nd Jul 2026606 PMAQI
22nd Jul 2026497 PMAQI
22nd Jul 2026408 PMAQI
22nd Jul 2026519 PMAQI
22nd Jul 20265310 PMAQI
22nd Jul 20265811 PMAQI
23rd Jul 20264812 AMAQI
23rd Jul 2026471 AMAQI
23rd Jul 2026402 AMAQI
23rd Jul 2026513 AMAQI
23rd Jul 2026464 AMAQI
29°C27/31°C
23rd Jul 2026475 AMAQI
23rd Jul 2026566 AMAQI
23rd Jul 2026467 AMAQI
23rd Jul 2026538 AMAQI
23rd Jul 2026219 AMAQI
23rd Jul 20266510 AMAQI
23rd Jul 20266211 AMAQI
23rd Jul 20266612 PMAQI
23rd Jul 2026651 PMAQI
23rd Jul 2026722 PMAQI
23rd Jul 2026623 PMAQI
23rd Jul 2026624 PMAQI
23rd Jul 2026485 PMAQI
23rd Jul 2026546 PMAQI
23rd Jul 2026467 PMAQI
23rd Jul 2026478 PMAQI
23rd Jul 2026519 PMAQI
23rd Jul 20263410 PMAQI
23rd Jul 20262811 PMAQI
24th Jul 20263112 AMAQI
24th Jul 2026341 AMAQI
24th Jul 2026302 AMAQI
24th Jul 2026283 AMAQI
24th Jul 2026314 AMAQI
29°C27/31°C
24th Jul 2026255 AMAQI
24th Jul 2026266 AMAQI
24th Jul 2026287 AMAQI
24th Jul 2026318 AMAQI
24th Jul 2026409 AMAQI
24th Jul 20262610 AMAQI
24th Jul 20264211 AMAQI
24th Jul 20264212 PMAQI
24th Jul 2026501 PMAQI
24th Jul 2026212 PMAQI
24th Jul 2026313 PMAQI
24th Jul 2026214 PMAQI
24th Jul 2026255 PMAQI
24th Jul 2026236 PMAQI
24th Jul 2026297 PMAQI
24th Jul 2026218 PMAQI
24th Jul 2026239 PMAQI
24th Jul 20263310 PMAQI
24th Jul 20263811 PMAQI
25th Jul 20263212 AMAQI
25th Jul 2026251 AMAQI
25th Jul 2026252 AMAQI
25th Jul 2026253 AMAQI
25th Jul 2026214 AMAQI
29°C28/31°C
25th Jul 2026315 AMAQI
25th Jul 2026536 AMAQI
25th Jul 2026517 AMAQI
25th Jul 2026428 AMAQI
25th Jul 2026489 AMAQI
25th Jul 20263610 AMAQI
25th Jul 20263611 AMAQI
25th Jul 20262712 PMAQI
25th Jul 2026531 PMAQI
25th Jul 2026592 PMAQI
25th Jul 2026563 PMAQI
25th Jul 2026524 PMAQI
25th Jul 2026365 PMAQI
25th Jul 2026406 PMAQI
25th Jul 2026347 PMAQI
25th Jul 2026408 PMAQI
25th Jul 2026319 PMAQI
25th Jul 20264410 PMAQI
25th Jul 20263811 PMAQI
26th Jul 20265012 AMAQI
26th Jul 2026311 AMAQI
26th Jul 2026382 AMAQI
26th Jul 2026513 AMAQI
26th Jul 2026294 AMAQI
30°C28/32°C
26th Jul 2026215 AMAQI
26th Jul 2026266 AMAQI
26th Jul 2026297 AMAQI
26th Jul 2026318 AMAQI
26th Jul 2026299 AMAQI
26th Jul 20264610 AMAQI
26th Jul 20264411 AMAQI
26th Jul 20264212 PMAQI
26th Jul 2026471 PMAQI
26th Jul 2026492 PMAQI
26th Jul 2026523 PMAQI
26th Jul 2026464 PMAQI
26th Jul 2026365 PMAQI
26th Jul 2026296 PMAQI
26th Jul 2026317 PMAQI
26th Jul 2026318 PMAQI
26th Jul 2026299 PMAQI
26th Jul 20265310 PMAQI
26th Jul 20265211 PMAQI
27th Jul 20264712 AMAQI
27th Jul 2026441 AMAQI
27th Jul 2026422 AMAQI
27th Jul 2026493 AMAQI
27th Jul 2026364 AMAQI
29°C27/30°C
27th Jul 2026405 AMAQI
27th Jul 2026406 AMAQI
27th Jul 2026327 AMAQI
27th Jul 2026258 AMAQI
27th Jul 2026509 AMAQI
27th Jul 20265210 AMAQI
27th Jul 20265311 AMAQI
27th Jul 20265212 PMAQI
27th Jul 2026441 PMAQI
27th Jul 2026402 PMAQI
27th Jul 2026443 PMAQI
27th Jul 2026454 PMAQI
27th Jul 2026385 PMAQI
27th Jul 2026676 PMAQI
27th Jul 2026557 PMAQI
27th Jul 2026518 PMAQI
27th Jul 2026259 PMAQI
27th Jul 20263110 PMAQI
27th Jul 20264811 PMAQI
28th Jul 20265612 AMAQI
28th Jul 2026381 AMAQI
28th Jul 2026692 AMAQI
28th Jul 2026363 AMAQI
28th Jul 2026544 AMAQI
29°C27/31°C
28th Jul 2026235 AMAQI
28th Jul 2026296 AMAQI
28th Jul 2026297 AMAQI
28th Jul 2026598 AMAQI
28th Jul 2026239 AMAQI
28th Jul 20264410 AMAQI
28th Jul 20265511 AMAQI
28th Jul 20263612 PMAQI
28th Jul 2026291 PMAQI
28th Jul 2026292 PMAQI
28th Jul 2026383 PMAQI
28th Jul 2026334 PMAQI
28th Jul 2026445 PMAQI
28th Jul 2026256 PMAQI
28th Jul 2026487 PMAQI
28th Jul 2026338 PMAQI
28th Jul 2026259 PMAQI
28th Jul 20262510 PMAQI
28th Jul 20262911 PMAQI
29th Jul 20263312 AMAQI
29th Jul 2026291 AMAQI
29th Jul 2026292 AMAQI
29th Jul 2026313 AMAQI
29th Jul 2026294 AMAQI
29°C27/31°C
29th Jul 2026255 AMAQI
29th Jul 2026276 AMAQI
29th Jul 2026257 AMAQI
29th Jul 2026298 AMAQI
29th Jul 2026219 AMAQI
29th Jul 20262310 AMAQI
29th Jul 20262911 AMAQI
29th Jul 20262712 PMAQI
29th Jul 2026271 PMAQI
29th Jul 2026292 PMAQI
29th Jul 2026333 PMAQI
29th Jul 2026344 PMAQI
29th Jul 2026365 PMAQI
29th Jul 2026256 PMAQI
29th Jul 2026267 PMAQI
29th Jul 2026258 PMAQI
29th Jul 2026259 PMAQI
29th Jul 20262310 PMAQI
29th Jul 20262511 PMAQI
30th Jul 20263612 AMAQI
30th Jul 2026361 AMAQI
30th Jul 2026292 AMAQI
30th Jul 2026313 AMAQI
30th Jul 2026294 AMAQI
29°C27/31°C
30th Jul 2026255 AMAQI
5 AM30th Jul 2026256 AMAQI
30th Jul 2026327 AMAQI
30th Jul 2026388 AMAQI
30th Jul 2026239 AMAQI
30th Jul 20263210 AMAQI
30th Jul 20264011 AMAQI
30th Jul 20264912 PMAQI
12 PM30th Jul 2026361 PMAQI
30th Jul 2026382 PMAQI
30th Jul 2026363 PMAQI
30th Jul 2026364 PMAQI
30th Jul 2026365 PMAQI
30th Jul 2026406 PMAQI
30th Jul 2026347 PMAQI
7 PM30th Jul 2026388 PMAQI
30th Jul 2026329 PMAQI
30th Jul 20264710 PMAQI
30th Jul 20265011 PMAQI
12 AM
4 AM
29°C28/31°C
Day time
Avg. Highest Time
1 PM
36AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
5 AM
30AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 1 PM (Avg. 36), while the lowest AQI was between 5 AM to 5 AM (Avg. 30).
Night time
Avg. Highest Time
11 PM
35AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
4 AM
30AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 PM to 11 PM (Avg. 35), while the lowest AQI was between 4 AM to 4 AM (Avg. 30).
2026 Days Vs Air Quality
Koja, Okinawa, Japan
2026
82%
172
18%
39
Total number of days with different AQI categories in last 211 days in 2026 (154 days remaining)
Good
172 DaysModerate
39 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 82%
Health Risk Level:
Low
In 2026, 82% of 211 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 2026
AQI (US)
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 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
28AQI (US)
28AQI (US)
2nd January 2026
22AQI (US)
22AQI (US)
3rd January 2026
22AQI (US)
22AQI (US)
4th January 2026
30AQI (US)
30AQI (US)
5th January 2026
29AQI (US)
29AQI (US)
6th January 2026
30AQI (US)
30AQI (US)
7th January 2026
40AQI (US)
40AQI (US)
8th January 2026
49AQI (US)
49AQI (US)
9th January 2026
26AQI (US)
26AQI (US)
10th January 2026
24AQI (US)
24AQI (US)
11th January 2026
42AQI (US)
42AQI (US)
12th January 2026
35AQI (US)
35AQI (US)
13th January 2026
28AQI (US)
28AQI (US)
14th January 2026
31AQI (US)
31AQI (US)
15th January 2026
27AQI (US)
27AQI (US)
16th January 2026
32AQI (US)
32AQI (US)
17th January 2026
26AQI (US)
26AQI (US)
18th January 2026
35AQI (US)
35AQI (US)
19th January 2026
33AQI (US)
33AQI (US)
20th January 2026
35AQI (US)
35AQI (US)
21st January 2026
29AQI (US)
29AQI (US)
22nd January 2026
26AQI (US)
26AQI (US)
23rd January 2026
41AQI (US)
41AQI (US)
24th January 2026
40AQI (US)
40AQI (US)
25th January 2026
47AQI (US)
47AQI (US)
26th January 2026
45AQI (US)
45AQI (US)
27th January 2026
37AQI (US)
37AQI (US)
28th January 2026
39AQI (US)
39AQI (US)
29th January 2026
37AQI (US)
37AQI (US)
30th January 2026
39AQI (US)
39AQI (US)
31st January 2026
32AQI (US)
32AQI (US)
1st February 2026
28AQI (US)
28AQI (US)
2nd February 2026
54AQI (US)
54AQI (US)
3rd February 2026
32AQI (US)
32AQI (US)
4th February 2026
23AQI (US)
23AQI (US)
5th February 2026
48AQI (US)
48AQI (US)
6th February 2026
42AQI (US)
42AQI (US)
7th February 2026
34AQI (US)
34AQI (US)
8th February 2026
33AQI (US)
33AQI (US)
9th February 2026
19AQI (US)
19AQI (US)
10th February 2026
39AQI (US)
39AQI (US)
11th February 2026
47AQI (US)
47AQI (US)
12th February 2026
53AQI (US)
53AQI (US)
13th February 2026
50AQI (US)
50AQI (US)
14th February 2026
59AQI (US)
59AQI (US)
15th February 2026
42AQI (US)
42AQI (US)
16th February 2026
44AQI (US)
44AQI (US)
17th February 2026
40AQI (US)
40AQI (US)
18th February 2026
41AQI (US)
41AQI (US)
19th February 2026
44AQI (US)
44AQI (US)
20th February 2026
43AQI (US)
43AQI (US)
21st February 2026
59AQI (US)
59AQI (US)
22nd February 2026
49AQI (US)
49AQI (US)
23rd February 2026
46AQI (US)
46AQI (US)
24th February 2026
45AQI (US)
45AQI (US)
25th February 2026
37AQI (US)
37AQI (US)
26th February 2026
33AQI (US)
33AQI (US)
27th February 2026
49AQI (US)
49AQI (US)
28th February 2026
53AQI (US)
53AQI (US)
1st March 2026
41AQI (US)
41AQI (US)
2nd March 2026
74AQI (US)
74AQI (US)
3rd March 2026
46AQI (US)
46AQI (US)
4th March 2026
61AQI (US)
61AQI (US)
5th March 2026
51AQI (US)
51AQI (US)
6th March 2026
60AQI (US)
60AQI (US)
7th March 2026
61AQI (US)
61AQI (US)
8th March 2026
50AQI (US)
50AQI (US)
9th March 2026
53AQI (US)
53AQI (US)
10th March 2026
60AQI (US)
60AQI (US)
11th March 2026
56AQI (US)
56AQI (US)
12th March 2026
64AQI (US)
64AQI (US)
13th March 2026
50AQI (US)
50AQI (US)
14th March 2026
40AQI (US)
40AQI (US)
15th March 2026
61AQI (US)
61AQI (US)
16th March 2026
58AQI (US)
58AQI (US)
17th March 2026
63AQI (US)
63AQI (US)
18th March 2026
59AQI (US)
59AQI (US)
19th March 2026
47AQI (US)
47AQI (US)
20th March 2026
47AQI (US)
47AQI (US)
21st March 2026
44AQI (US)
44AQI (US)
22nd March 2026
41AQI (US)
41AQI (US)
23rd March 2026
39AQI (US)
39AQI (US)
24th March 2026
45AQI (US)
45AQI (US)
25th March 2026
61AQI (US)
61AQI (US)
26th March 2026
51AQI (US)
51AQI (US)
27th March 2026
63AQI (US)
63AQI (US)
28th March 2026
54AQI (US)
54AQI (US)
29th March 2026
58AQI (US)
58AQI (US)
30th March 2026
21AQI (US)
21AQI (US)
31st March 2026
29AQI (US)
29AQI (US)
1st April 2026
39AQI (US)
39AQI (US)
2nd April 2026
49AQI (US)
49AQI (US)
3rd April 2026
42AQI (US)
42AQI (US)
4th April 2026
40AQI (US)
40AQI (US)
5th April 2026
45AQI (US)
45AQI (US)
6th April 2026
45AQI (US)
45AQI (US)
7th April 2026
29AQI (US)
29AQI (US)
8th April 2026
39AQI (US)
39AQI (US)
9th April 2026
43AQI (US)
43AQI (US)
10th April 2026
42AQI (US)
42AQI (US)
11th April 2026
41AQI (US)
41AQI (US)
12th April 2026
41AQI (US)
41AQI (US)
13th April 2026
39AQI (US)
39AQI (US)
14th April 2026
42AQI (US)
42AQI (US)
15th April 2026
41AQI (US)
41AQI (US)
16th April 2026
37AQI (US)
37AQI (US)
17th April 2026
41AQI (US)
41AQI (US)
18th April 2026
32AQI (US)
32AQI (US)
19th April 2026
44AQI (US)
44AQI (US)
20th April 2026
51AQI (US)
51AQI (US)
21st April 2026
40AQI (US)
40AQI (US)
22nd April 2026
49AQI (US)
49AQI (US)
23rd April 2026
39AQI (US)
39AQI (US)
24th April 2026
39AQI (US)
39AQI (US)
25th April 2026
48AQI (US)
48AQI (US)
26th April 2026
51AQI (US)
51AQI (US)
27th April 2026
55AQI (US)
55AQI (US)
28th April 2026
50AQI (US)
50AQI (US)
29th April 2026
32AQI (US)
32AQI (US)
30th April 2026
36AQI (US)
36AQI (US)
1st May 2026
46AQI (US)
46AQI (US)
2nd May 2026
55AQI (US)
55AQI (US)
3rd May 2026
39AQI (US)
39AQI (US)
4th May 2026
34AQI (US)
34AQI (US)
5th May 2026
14AQI (US)
14AQI (US)
6th May 2026
13AQI (US)
13AQI (US)
7th May 2026
29AQI (US)
29AQI (US)
8th May 2026
25AQI (US)
25AQI (US)
9th May 2026
24AQI (US)
24AQI (US)
10th May 2026
23AQI (US)
23AQI (US)
11th May 2026
26AQI (US)
26AQI (US)
12th May 2026
32AQI (US)
32AQI (US)
13th May 2026
35AQI (US)
35AQI (US)
14th May 2026
37AQI (US)
37AQI (US)
15th May 2026
35AQI (US)
35AQI (US)
16th May 2026
86AQI (US)
86AQI (US)
17th May 2026
68AQI (US)
68AQI (US)
18th May 2026
55AQI (US)
55AQI (US)
19th May 2026
49AQI (US)
49AQI (US)
20th May 2026
63AQI (US)
63AQI (US)
21st May 2026
59AQI (US)
59AQI (US)
22nd May 2026
59AQI (US)
59AQI (US)
23rd May 2026
56AQI (US)
56AQI (US)
24th May 2026
59AQI (US)
59AQI (US)
25th May 2026
50AQI (US)
50AQI (US)
26th May 2026
40AQI (US)
40AQI (US)
27th May 2026
27AQI (US)
27AQI (US)
28th May 2026
29AQI (US)
29AQI (US)
29th May 2026
28AQI (US)
28AQI (US)
30th May 2026
54AQI (US)
54AQI (US)
31st May 2026
38AQI (US)
38AQI (US)
1st June 2026
32AQI (US)
32AQI (US)
2nd June 2026
23AQI (US)
23AQI (US)
3rd June 2026
32AQI (US)
32AQI (US)
4th June 2026
27AQI (US)
27AQI (US)
5th June 2026
24AQI (US)
24AQI (US)
6th June 2026
28AQI (US)
28AQI (US)
7th June 2026
24AQI (US)
24AQI (US)
8th June 2026
24AQI (US)
24AQI (US)
9th June 2026
27AQI (US)
27AQI (US)
10th June 2026
22AQI (US)
22AQI (US)
11th June 2026
20AQI (US)
20AQI (US)
12th June 2026
25AQI (US)
25AQI (US)
13th June 2026
26AQI (US)
26AQI (US)
14th June 2026
23AQI (US)
23AQI (US)
15th June 2026
22AQI (US)
22AQI (US)
16th June 2026
26AQI (US)
26AQI (US)
17th June 2026
23AQI (US)
23AQI (US)
18th June 2026
24AQI (US)
24AQI (US)
19th June 2026
26AQI (US)
26AQI (US)
20th June 2026
21AQI (US)
21AQI (US)
21st June 2026
20AQI (US)
20AQI (US)
22nd June 2026
19AQI (US)
19AQI (US)
23rd June 2026
25AQI (US)
25AQI (US)
24th June 2026
26AQI (US)
26AQI (US)
25th June 2026
28AQI (US)
28AQI (US)
26th June 2026
36AQI (US)
36AQI (US)
27th June 2026
32AQI (US)
32AQI (US)
28th June 2026
31AQI (US)
31AQI (US)
29th June 2026
32AQI (US)
32AQI (US)
30th June 2026
29AQI (US)
29AQI (US)
1st July 2026
24AQI (US)
24AQI (US)
2nd July 2026
23AQI (US)
23AQI (US)
3rd July 2026
24AQI (US)
24AQI (US)
4th July 2026
24AQI (US)
24AQI (US)
5th July 2026
21AQI (US)
21AQI (US)
6th July 2026
17AQI (US)
17AQI (US)
7th July 2026
16AQI (US)
16AQI (US)
8th July 2026
20AQI (US)
20AQI (US)
9th July 2026
30AQI (US)
30AQI (US)
10th July 2026
58AQI (US)
58AQI (US)
11th July 2026
31AQI (US)
31AQI (US)
12th July 2026
29AQI (US)
29AQI (US)
13th July 2026
32AQI (US)
32AQI (US)
14th July 2026
27AQI (US)
27AQI (US)
15th July 2026
26AQI (US)
26AQI (US)
16th July 2026
27AQI (US)
27AQI (US)
17th July 2026
31AQI (US)
31AQI (US)
18th July 2026
38AQI (US)
38AQI (US)
19th July 2026
50AQI (US)
50AQI (US)
20th July 2026
38AQI (US)
38AQI (US)
21st July 2026
45AQI (US)
45AQI (US)
22nd July 2026
53AQI (US)
53AQI (US)
23rd July 2026
51AQI (US)
51AQI (US)
24th July 2026
30AQI (US)
30AQI (US)
25th July 2026
39AQI (US)
39AQI (US)
26th July 2026
38AQI (US)
38AQI (US)
27th July 2026
44AQI (US)
44AQI (US)
28th July 2026
38AQI (US)
38AQI (US)
29th July 2026
28AQI (US)
28AQI (US)
30th July 2026
35AQI (US)
35AQI (US)
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026
33AQI (US)
42AQI (US)
52AQI (US)
42AQI (US)
42AQI (US)
26AQI (US)
33AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202639AQI (US)
31
23
5
13
18
27
3
21
10
30
27
3
172
39
Highest AQI (US) recorded in
March52AQI (US)
Lowest AQI (US) recorded in
June26AQI (US)
202540AQI (US)
25
6
24
4
28
3
25
5
24
7
29
1
31
30
1
30
15
16
17
13
25
6
303
62
Highest AQI (US) recorded in
October50AQI (US)
Lowest AQI (US) recorded in
September27AQI (US)
202439AQI (US)
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 (US) recorded in
September69AQI (US)
Lowest AQI (US) recorded in
January19AQI (US)
202335AQI (US)
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 (US) recorded in
October52AQI (US)
Lowest AQI (US) recorded in
December19AQI (US)
202230AQI (US)
2
20
1
29
2
25
3
30
30
24
1
24
4
22
29
1
30
1
266
12
Highest AQI (US) recorded in
August42AQI (US)
Lowest AQI (US) recorded in
July18AQI (US)
202129AQI (US)
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 (US) recorded in
April37AQI (US)
Lowest AQI (US) recorded in
July20AQI (US)
202027AQI (US)
11
2
16
5
17
1
30
31
19
8
1
15
1
27
4
30
31
227
21
1
Highest AQI (US) recorded in
April40AQI (US)
Lowest AQI (US) recorded in
July16AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
40AQI (US)Least Polluted Year Recorded
2020(Avg.)
27AQI (US)Koja's annual 2026 AQI (US) (39) shows an average percentage change of 19.6% (worsened AQI (US)) compared to previous years: 2020 (27), 2021 (29), 2022 (30), 2023 (35), 2024 (39), 2025 (40).
