Kasaoka, Okayama, 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
Kasaoka, Okayama, Japan
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
6th Aug 2024
78AQILowest AQI recorded on
29th Aug 2024
21AQISame Day Analysis (8th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 29 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 7th Aug - 8th Aug 2026
Kasaoka, Okayama, Japan
AQI
Day
Night
.
5 AM7th Aug 2026
7 PM
4 AM8th Aug 2026
Day time
Avg. Highest Time
2PM7th Aug
42AQI
Avg. Lowest Time
5PM7th Aug
25AQI
Night time
Avg. Highest Time
11PM7th Aug
33AQI
Avg. Lowest Time
10PM7th Aug
25AQI
In the last 24 hours,
Kasaoka's AQI reached its highest point of 42 at 2 PM during the Day, while the lowest point, 25, was recorded at 10 PM during the Night between 7th Aug and 8th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Kasaoka, Okayama, Japan
JulAug
10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th
Day
Night
10th Jul 2026255 AMAQI
10th Jul 2026216 AMAQI
10th Jul 2026217 AMAQI
10th Jul 2026218 AMAQI
10th Jul 2026469 AMAQI
10th Jul 20262510 AMAQI
10th Jul 20262511 AMAQI
10th Jul 20263312 PMAQI
10th Jul 2026361 PMAQI
10th Jul 2026342 PMAQI
10th Jul 2026573 PMAQI
10th Jul 2026664 PMAQI
10th Jul 2026555 PMAQI
10th Jul 2026526 PMAQI
10th Jul 2026337 PMAQI
10th Jul 2026368 PMAQI
10th Jul 2026469 PMAQI
10th Jul 20263610 PMAQI
10th Jul 20263811 PMAQI
11th Jul 20263812 AMAQI
11th Jul 2026331 AMAQI
11th Jul 2026442 AMAQI
11th Jul 2026443 AMAQI
11th Jul 2026404 AMAQI
26°C22/30°C
11th Jul 2026425 AMAQI
11th Jul 2026466 AMAQI
11th Jul 2026407 AMAQI
11th Jul 2026408 AMAQI
11th Jul 2026409 AMAQI
11th Jul 20264610 AMAQI
11th Jul 20264911 AMAQI
11th Jul 20265412 PMAQI
11th Jul 2026721 PMAQI
11th Jul 2026682 PMAQI
11th Jul 2026583 PMAQI
11th Jul 2026384 PMAQI
11th Jul 2026315 PMAQI
11th Jul 2026176 PMAQI
11th Jul 2026157 PMAQI
11th Jul 2026148 PMAQI
11th Jul 2026109 PMAQI
11th Jul 20261210 PMAQI
11th Jul 2026811 PMAQI
12th Jul 20261212 AMAQI
12th Jul 2026251 AMAQI
12th Jul 2026102 AMAQI
12th Jul 2026103 AMAQI
12th Jul 2026124 AMAQI
26°C22/31°C
12th Jul 2026125 AMAQI
12th Jul 2026126 AMAQI
12th Jul 2026167 AMAQI
12th Jul 2026128 AMAQI
12th Jul 2026129 AMAQI
12th Jul 20261710 AMAQI
12th Jul 20261911 AMAQI
12th Jul 20261712 PMAQI
12th Jul 2026251 PMAQI
12th Jul 2026212 PMAQI
12th Jul 2026213 PMAQI
12th Jul 2026294 PMAQI
12th Jul 2026275 PMAQI
12th Jul 2026146 PMAQI
12th Jul 2026207 PMAQI
12th Jul 2026208 PMAQI
12th Jul 2026149 PMAQI
12th Jul 20261510 PMAQI
12th Jul 20261211 PMAQI
13th Jul 20261312 AMAQI
13th Jul 2026231 AMAQI
13th Jul 2026142 AMAQI
13th Jul 2026123 AMAQI
13th Jul 2026124 AMAQI
27°C23/32°C
13th Jul 2026155 AMAQI
13th Jul 2026136 AMAQI
13th Jul 2026127 AMAQI
13th Jul 2026158 AMAQI
13th Jul 2026169 AMAQI
13th Jul 20261810 AMAQI
13th Jul 20262611 AMAQI
13th Jul 20261912 PMAQI
13th Jul 2026201 PMAQI
13th Jul 2026202 PMAQI
13th Jul 2026223 PMAQI
13th Jul 2026244 PMAQI
13th Jul 2026255 PMAQI
13th Jul 2026226 PMAQI
13th Jul 2026247 PMAQI
13th Jul 2026208 PMAQI
13th Jul 2026519 PMAQI
13th Jul 20265410 PMAQI
13th Jul 20263411 PMAQI
14th Jul 20263512 AMAQI
14th Jul 2026321 AMAQI
14th Jul 2026322 AMAQI
14th Jul 2026303 AMAQI
14th Jul 2026264 AMAQI
29°C25/34°C
14th Jul 2026305 AMAQI
14th Jul 2026306 AMAQI
14th Jul 2026307 AMAQI
14th Jul 2026258 AMAQI
14th Jul 2026309 AMAQI
14th Jul 20262610 AMAQI
14th Jul 20262211 AMAQI
14th Jul 20261912 PMAQI
14th Jul 2026181 PMAQI
14th Jul 2026162 PMAQI
14th Jul 2026173 PMAQI
14th Jul 2026204 PMAQI
14th Jul 2026185 PMAQI
14th Jul 2026186 PMAQI
14th Jul 2026157 PMAQI
14th Jul 2026158 PMAQI
14th Jul 2026149 PMAQI
14th Jul 20261210 PMAQI
14th Jul 20261511 PMAQI
15th Jul 20261412 AMAQI
15th Jul 2026291 AMAQI
15th Jul 2026332 AMAQI
15th Jul 2026283 AMAQI
15th Jul 2026254 AMAQI
29°C25/33°C
15th Jul 2026305 AMAQI
15th Jul 2026246 AMAQI
15th Jul 2026307 AMAQI
15th Jul 2026308 AMAQI
15th Jul 2026309 AMAQI
15th Jul 20263010 AMAQI
15th Jul 20262111 AMAQI
15th Jul 20262412 PMAQI
15th Jul 2026141 PMAQI
15th Jul 2026102 PMAQI
15th Jul 2026163 PMAQI
15th Jul 2026144 PMAQI
15th Jul 2026185 PMAQI
15th Jul 2026186 PMAQI
15th Jul 2026187 PMAQI
15th Jul 2026198 PMAQI
15th Jul 2026189 PMAQI
15th Jul 20262210 PMAQI
15th Jul 20261911 PMAQI
16th Jul 20262012 AMAQI
16th Jul 2026211 AMAQI
16th Jul 2026202 AMAQI
16th Jul 2026223 AMAQI
16th Jul 2026204 AMAQI
28°C25/31°C
16th Jul 2026215 AMAQI
16th Jul 2026206 AMAQI
16th Jul 2026227 AMAQI
16th Jul 2026238 AMAQI
16th Jul 2026229 AMAQI
16th Jul 20262510 AMAQI
16th Jul 20262211 AMAQI
16th Jul 20262412 PMAQI
16th Jul 2026291 PMAQI
16th Jul 2026312 PMAQI
16th Jul 2026363 PMAQI
16th Jul 2026224 PMAQI
16th Jul 2026265 PMAQI
16th Jul 2026306 PMAQI
16th Jul 2026287 PMAQI
16th Jul 2026298 PMAQI
16th Jul 2026299 PMAQI
16th Jul 20262810 PMAQI
16th Jul 20263111 PMAQI
17th Jul 20263212 AMAQI
17th Jul 2026281 AMAQI
17th Jul 2026292 AMAQI
17th Jul 2026283 AMAQI
17th Jul 2026364 AMAQI
29°C25/33°C
17th Jul 2026445 AMAQI
17th Jul 2026406 AMAQI
17th Jul 2026447 AMAQI
17th Jul 2026448 AMAQI
17th Jul 2026449 AMAQI
17th Jul 20265010 AMAQI
17th Jul 20265011 AMAQI
17th Jul 20265312 PMAQI
17th Jul 2026721 PMAQI
17th Jul 2026712 PMAQI
17th Jul 2026663 PMAQI
17th Jul 2026644 PMAQI
17th Jul 2026665 PMAQI
17th Jul 2026626 PMAQI
17th Jul 2026577 PMAQI
17th Jul 2026548 PMAQI
17th Jul 2026549 PMAQI
17th Jul 20265710 PMAQI
17th Jul 20265611 PMAQI
18th Jul 20265712 AMAQI
18th Jul 2026521 AMAQI
18th Jul 2026572 AMAQI
18th Jul 2026573 AMAQI
18th Jul 2026544 AMAQI
28°C25/33°C
18th Jul 2026565 AMAQI
18th Jul 2026526 AMAQI
18th Jul 2026537 AMAQI
18th Jul 2026588 AMAQI
18th Jul 2026569 AMAQI
18th Jul 20265610 AMAQI
18th Jul 20265711 AMAQI
18th Jul 20265912 PMAQI
18th Jul 2026601 PMAQI
18th Jul 2026642 PMAQI
18th Jul 2026653 PMAQI
18th Jul 2026694 PMAQI
18th Jul 2026745 PMAQI
18th Jul 2026746 PMAQI
18th Jul 2026747 PMAQI
18th Jul 2026838 PMAQI
18th Jul 2026769 PMAQI
18th Jul 20267210 PMAQI
18th Jul 20267911 PMAQI
19th Jul 20267112 AMAQI
19th Jul 2026721 AMAQI
19th Jul 2026762 AMAQI
19th Jul 2026723 AMAQI
19th Jul 2026764 AMAQI
29°C25/33°C
19th Jul 2026745 AMAQI
19th Jul 2026676 AMAQI
19th Jul 2026657 AMAQI
19th Jul 2026628 AMAQI
19th Jul 2026629 AMAQI
19th Jul 20266210 AMAQI
19th Jul 20266311 AMAQI
19th Jul 20266812 PMAQI
19th Jul 2026681 PMAQI
19th Jul 2026702 PMAQI
19th Jul 2026653 PMAQI
19th Jul 2026644 PMAQI
19th Jul 2026595 PMAQI
19th Jul 2026566 PMAQI
19th Jul 2026547 PMAQI
19th Jul 2026568 PMAQI
19th Jul 2026579 PMAQI
19th Jul 20265710 PMAQI
19th Jul 20265811 PMAQI
20th Jul 20265412 AMAQI
20th Jul 2026551 AMAQI
20th Jul 2026512 AMAQI
20th Jul 2026503 AMAQI
20th Jul 2026504 AMAQI
29°C26/33°C
20th Jul 2026485 AMAQI
20th Jul 2026386 AMAQI
20th Jul 2026387 AMAQI
20th Jul 2026408 AMAQI
20th Jul 2026409 AMAQI
20th Jul 20265510 AMAQI
20th Jul 20265811 AMAQI
20th Jul 20266812 PMAQI
20th Jul 2026821 PMAQI
20th Jul 20261002 PMAQI
20th Jul 2026923 PMAQI
20th Jul 2026864 PMAQI
20th Jul 2026785 PMAQI
20th Jul 2026676 PMAQI
20th Jul 2026657 PMAQI
20th Jul 2026678 PMAQI
20th Jul 2026679 PMAQI
20th Jul 20267110 PMAQI
20th Jul 20267011 PMAQI
21st Jul 20267312 AMAQI
21st Jul 2026701 AMAQI
21st Jul 2026702 AMAQI
21st Jul 2026693 AMAQI
21st Jul 2026694 AMAQI
29°C26/33°C
21st Jul 2026735 AMAQI
21st Jul 2026736 AMAQI
21st Jul 2026667 AMAQI
21st Jul 2026688 AMAQI
21st Jul 2026719 AMAQI
21st Jul 20267410 AMAQI
21st Jul 20267811 AMAQI
21st Jul 2026851 PMAQI
21st Jul 2026742 PMAQI
21st Jul 2026723 PMAQI
21st Jul 2026754 PMAQI
21st Jul 2026795 PMAQI
21st Jul 2026726 PMAQI
21st Jul 20261027 PMAQI
21st Jul 2026668 PMAQI
21st Jul 2026639 PMAQI
21st Jul 20266010 PMAQI
21st Jul 20266011 PMAQI
22nd Jul 20266012 AMAQI
22nd Jul 2026591 AMAQI
22nd Jul 2026572 AMAQI
22nd Jul 2026553 AMAQI
22nd Jul 2026544 AMAQI
30°C26/34°C
22nd Jul 2026535 AMAQI
22nd Jul 2026556 AMAQI
22nd Jul 2026587 AMAQI
22nd Jul 2026628 AMAQI
22nd Jul 2026679 AMAQI
22nd Jul 20268010 AMAQI
22nd Jul 20268611 AMAQI
22nd Jul 20269612 PMAQI
22nd Jul 2026921 PMAQI
22nd Jul 2026862 PMAQI
22nd Jul 2026943 PMAQI
22nd Jul 2026924 PMAQI
22nd Jul 2026975 PMAQI
22nd Jul 2026956 PMAQI
22nd Jul 2026937 PMAQI
22nd Jul 2026728 PMAQI
22nd Jul 2026559 PMAQI
22nd Jul 20267310 PMAQI
22nd Jul 20265511 PMAQI
23rd Jul 20265612 AMAQI
23rd Jul 2026571 AMAQI
23rd Jul 2026552 AMAQI
23rd Jul 2026513 AMAQI
23rd Jul 2026444 AMAQI
30°C26/34°C
23rd Jul 2026465 AMAQI
23rd Jul 2026366 AMAQI
23rd Jul 2026347 AMAQI
23rd Jul 2026298 AMAQI
23rd Jul 2026299 AMAQI
23rd Jul 20262910 AMAQI
23rd Jul 20261911 AMAQI
23rd Jul 20262512 PMAQI
23rd Jul 2026401 PMAQI
23rd Jul 2026512 PMAQI
23rd Jul 2026513 PMAQI
23rd Jul 2026604 PMAQI
23rd Jul 2026575 PMAQI
23rd Jul 2026606 PMAQI
23rd Jul 2026607 PMAQI
23rd Jul 2026708 PMAQI
23rd Jul 2026739 PMAQI
23rd Jul 20268210 PMAQI
23rd Jul 20266811 PMAQI
24th Jul 20264812 AMAQI
24th Jul 2026481 AMAQI
24th Jul 2026362 AMAQI
24th Jul 2026383 AMAQI
24th Jul 2026364 AMAQI
30°C26/34°C
24th Jul 2026275 AMAQI
24th Jul 2026256 AMAQI
24th Jul 2026297 AMAQI
24th Jul 2026338 AMAQI
24th Jul 2026369 AMAQI
24th Jul 20262510 AMAQI
24th Jul 20263111 AMAQI
24th Jul 20266512 PMAQI
24th Jul 2026511 PMAQI
24th Jul 2026582 PMAQI
24th Jul 2026573 PMAQI
24th Jul 2026594 PMAQI
24th Jul 2026565 PMAQI
24th Jul 2026556 PMAQI
24th Jul 2026467 PMAQI
24th Jul 2026448 PMAQI
24th Jul 2026519 PMAQI
24th Jul 20264210 PMAQI
24th Jul 20264611 PMAQI
25th Jul 20264612 AMAQI
25th Jul 2026401 AMAQI
25th Jul 2026362 AMAQI
25th Jul 2026363 AMAQI
25th Jul 2026364 AMAQI
30°C26/35°C
25th Jul 2026385 AMAQI
25th Jul 2026346 AMAQI
25th Jul 2026367 AMAQI
25th Jul 2026368 AMAQI
25th Jul 2026369 AMAQI
25th Jul 20263610 AMAQI
25th Jul 20264411 AMAQI
25th Jul 20265612 PMAQI
25th Jul 2026821 PMAQI
25th Jul 2026712 PMAQI
25th Jul 2026543 PMAQI
25th Jul 2026504 PMAQI
25th Jul 2026515 PMAQI
25th Jul 2026516 PMAQI
25th Jul 2026487 PMAQI
25th Jul 2026578 PMAQI
25th Jul 2026519 PMAQI
25th Jul 20264810 PMAQI
25th Jul 20264811 PMAQI
26th Jul 20264212 AMAQI
26th Jul 2026291 AMAQI
26th Jul 2026272 AMAQI
26th Jul 2026273 AMAQI
26th Jul 2026294 AMAQI
30°C26/34°C
26th Jul 2026295 AMAQI
26th Jul 2026296 AMAQI
26th Jul 2026257 AMAQI
26th Jul 2026238 AMAQI
26th Jul 2026279 AMAQI
26th Jul 20262510 AMAQI
26th Jul 20262511 AMAQI
26th Jul 20263612 PMAQI
26th Jul 2026331 PMAQI
26th Jul 2026422 PMAQI
26th Jul 2026513 PMAQI
26th Jul 2026514 PMAQI
26th Jul 2026525 PMAQI
26th Jul 2026446 PMAQI
26th Jul 2026467 PMAQI
26th Jul 2026388 PMAQI
26th Jul 2026339 PMAQI
26th Jul 20263610 PMAQI
26th Jul 20263611 PMAQI
27th Jul 20263612 AMAQI
27th Jul 2026331 AMAQI
27th Jul 2026382 AMAQI
27th Jul 2026383 AMAQI
27th Jul 2026304 AMAQI
30°C26/35°C
27th Jul 2026275 AMAQI
27th Jul 2026276 AMAQI
27th Jul 2026277 AMAQI
27th Jul 2026278 AMAQI
27th Jul 2026299 AMAQI
27th Jul 20262910 AMAQI
27th Jul 20263411 AMAQI
27th Jul 20263812 PMAQI
27th Jul 2026501 PMAQI
27th Jul 2026422 PMAQI
27th Jul 2026483 PMAQI
27th Jul 2026514 PMAQI
27th Jul 2026555 PMAQI
27th Jul 2026606 PMAQI
27th Jul 2026467 PMAQI
27th Jul 2026558 PMAQI
27th Jul 2026469 PMAQI
27th Jul 20264610 PMAQI
27th Jul 20263811 PMAQI
28th Jul 20264412 AMAQI
28th Jul 2026481 AMAQI
28th Jul 2026442 AMAQI
28th Jul 2026443 AMAQI
28th Jul 2026424 AMAQI
30°C26/34°C
28th Jul 2026505 AMAQI
28th Jul 2026466 AMAQI
28th Jul 2026427 AMAQI
28th Jul 2026428 AMAQI
28th Jul 2026469 AMAQI
28th Jul 20264610 AMAQI
28th Jul 20264811 AMAQI
28th Jul 20264412 PMAQI
28th Jul 2026271 PMAQI
28th Jul 2026332 PMAQI
28th Jul 2026253 PMAQI
28th Jul 2026294 PMAQI
28th Jul 2026335 PMAQI
28th Jul 2026366 PMAQI
28th Jul 2026337 PMAQI
28th Jul 2026298 PMAQI
28th Jul 2026389 PMAQI
28th Jul 20263610 PMAQI
28th Jul 20263611 PMAQI
29th Jul 20263812 AMAQI
29th Jul 2026331 AMAQI
29th Jul 2026402 AMAQI
29th Jul 2026333 AMAQI
29th Jul 2026364 AMAQI
30°C26/35°C
29th Jul 2026365 AMAQI
29th Jul 2026386 AMAQI
29th Jul 2026447 AMAQI
29th Jul 2026388 AMAQI
29th Jul 2026369 AMAQI
29th Jul 20263110 AMAQI
29th Jul 20263311 AMAQI
29th Jul 20262912 PMAQI
29th Jul 2026401 PMAQI
29th Jul 2026382 PMAQI
29th Jul 2026363 PMAQI
29th Jul 2026364 PMAQI
29th Jul 2026335 PMAQI
29th Jul 2026336 PMAQI
29th Jul 2026407 PMAQI
29th Jul 2026408 PMAQI
29th Jul 2026389 PMAQI
29th Jul 20263610 PMAQI
29th Jul 20263811 PMAQI
30th Jul 20263612 AMAQI
30th Jul 2026381 AMAQI
30th Jul 2026382 AMAQI
30th Jul 2026383 AMAQI
30th Jul 2026384 AMAQI
27°C24/33°C
30th Jul 2026385 AMAQI
30th Jul 2026366 AMAQI
30th Jul 2026387 AMAQI
30th Jul 2026368 AMAQI
30th Jul 2026369 AMAQI
30th Jul 20263810 AMAQI
30th Jul 20263111 AMAQI
30th Jul 20263112 PMAQI
30th Jul 2026291 PMAQI
30th Jul 2026312 PMAQI
30th Jul 2026313 PMAQI
30th Jul 2026294 PMAQI
30th Jul 2026335 PMAQI
30th Jul 2026366 PMAQI
30th Jul 2026337 PMAQI
30th Jul 2026368 PMAQI
30th Jul 2026389 PMAQI
30th Jul 20263310 PMAQI
30th Jul 20263311 PMAQI
31st Jul 20263112 AMAQI
31st Jul 2026251 AMAQI
31st Jul 2026292 AMAQI
31st Jul 2026293 AMAQI
31st Jul 2026294 AMAQI
30°C25/35°C
31st Jul 2026275 AMAQI
31st Jul 2026276 AMAQI
31st Jul 2026257 AMAQI
31st Jul 2026278 AMAQI
31st Jul 2026259 AMAQI
31st Jul 20262710 AMAQI
31st Jul 20262711 AMAQI
31st Jul 20262512 PMAQI
31st Jul 2026291 PMAQI
31st Jul 2026312 PMAQI
31st Jul 2026293 PMAQI
31st Jul 2026314 PMAQI
31st Jul 2026315 PMAQI
31st Jul 2026316 PMAQI
31st Jul 2026337 PMAQI
31st Jul 2026368 PMAQI
31st Jul 2026299 PMAQI
31st Jul 20263610 PMAQI
31st Jul 20263611 PMAQI
1st Aug 20263612 AMAQI
1st Aug 2026561 AMAQI
1st Aug 2026522 AMAQI
1st Aug 2026543 AMAQI
1st Aug 2026514 AMAQI
29°C24/35°C
1st Aug 2026445 AMAQI
1st Aug 2026426 AMAQI
1st Aug 2026427 AMAQI
1st Aug 2026428 AMAQI
1st Aug 2026409 AMAQI
1st Aug 20263110 AMAQI
1st Aug 20263611 AMAQI
1st Aug 20264612 PMAQI
1st Aug 2026481 PMAQI
1st Aug 2026482 PMAQI
1st Aug 2026443 PMAQI
1st Aug 2026504 PMAQI
1st Aug 2026445 PMAQI
1st Aug 2026446 PMAQI
1st Aug 2026447 PMAQI
1st Aug 2026468 PMAQI
1st Aug 2026449 PMAQI
1st Aug 20264010 PMAQI
1st Aug 20264211 PMAQI
2nd Aug 20263612 AMAQI
2nd Aug 2026481 AMAQI
2nd Aug 2026422 AMAQI
2nd Aug 2026383 AMAQI
2nd Aug 2026424 AMAQI
30°C25/36°C
2nd Aug 2026365 AMAQI
2nd Aug 2026366 AMAQI
2nd Aug 2026337 AMAQI
2nd Aug 2026388 AMAQI
2nd Aug 2026389 AMAQI
2nd Aug 20263810 AMAQI
2nd Aug 20263611 AMAQI
2nd Aug 20264212 PMAQI
2nd Aug 2026551 PMAQI
2nd Aug 2026502 PMAQI
2nd Aug 2026463 PMAQI
2nd Aug 2026444 PMAQI
2nd Aug 2026445 PMAQI
2nd Aug 2026386 PMAQI
2nd Aug 2026447 PMAQI
2nd Aug 2026428 PMAQI
2nd Aug 2026409 PMAQI
2nd Aug 20264010 PMAQI
2nd Aug 20264411 PMAQI
3rd Aug 20264412 AMAQI
3rd Aug 2026311 AMAQI
3rd Aug 2026382 AMAQI
3rd Aug 2026403 AMAQI
3rd Aug 2026404 AMAQI
30°C26/36°C
3rd Aug 2026405 AMAQI
3rd Aug 2026386 AMAQI
3rd Aug 2026367 AMAQI
3rd Aug 2026408 AMAQI
3rd Aug 2026389 AMAQI
3rd Aug 20263810 AMAQI
3rd Aug 20263611 AMAQI
3rd Aug 20263812 PMAQI
3rd Aug 2026501 PMAQI
3rd Aug 2026492 PMAQI
3rd Aug 2026673 PMAQI
3rd Aug 2026694 PMAQI
3rd Aug 2026585 PMAQI
3rd Aug 2026536 PMAQI
3rd Aug 2026567 PMAQI
3rd Aug 2026538 PMAQI
3rd Aug 2026299 PMAQI
3rd Aug 20262710 PMAQI
3rd Aug 20262711 PMAQI
4th Aug 20261912 AMAQI
4th Aug 2026281 AMAQI
4th Aug 2026492 AMAQI
4th Aug 2026333 AMAQI
4th Aug 2026314 AMAQI
30°C27/34°C
4th Aug 2026405 AMAQI
4th Aug 2026366 AMAQI
4th Aug 2026337 AMAQI
4th Aug 2026368 AMAQI
4th Aug 2026299 AMAQI
4th Aug 20262710 AMAQI
4th Aug 20263311 AMAQI
4th Aug 20262912 PMAQI
4th Aug 2026481 PMAQI
4th Aug 2026402 PMAQI
4th Aug 2026383 PMAQI
4th Aug 2026384 PMAQI
4th Aug 2026335 PMAQI
4th Aug 2026336 PMAQI
4th Aug 2026407 PMAQI
4th Aug 2026408 PMAQI
4th Aug 2026339 PMAQI
4th Aug 20263310 PMAQI
4th Aug 20263611 PMAQI
5th Aug 20263812 AMAQI
5th Aug 2026381 AMAQI
5th Aug 2026382 AMAQI
5th Aug 2026333 AMAQI
5th Aug 2026334 AMAQI
29°C27/31°C
5th Aug 2026335 AMAQI
5th Aug 2026316 AMAQI
5th Aug 2026317 AMAQI
5th Aug 2026298 AMAQI
5th Aug 2026339 AMAQI
5th Aug 20262910 AMAQI
5th Aug 20262711 AMAQI
5th Aug 20262712 PMAQI
5th Aug 2026271 PMAQI
5th Aug 2026272 PMAQI
5th Aug 2026253 PMAQI
5th Aug 2026274 PMAQI
5th Aug 2026255 PMAQI
5th Aug 2026256 PMAQI
5th Aug 2026237 PMAQI
5th Aug 2026258 PMAQI
5th Aug 2026279 PMAQI
5th Aug 20262510 PMAQI
5th Aug 20262711 PMAQI
6th Aug 20262712 AMAQI
6th Aug 2026251 AMAQI
6th Aug 2026252 AMAQI
6th Aug 2026213 AMAQI
6th Aug 2026214 AMAQI
30°C26/34°C
6th Aug 2026235 AMAQI
6th Aug 2026236 AMAQI
6th Aug 2026217 AMAQI
6th Aug 2026218 AMAQI
6th Aug 2026299 AMAQI
6th Aug 20262510 AMAQI
6th Aug 20262511 AMAQI
6th Aug 20262512 PMAQI
6th Aug 2026251 PMAQI
6th Aug 2026252 PMAQI
6th Aug 2026273 PMAQI
6th Aug 2026254 PMAQI
6th Aug 2026255 PMAQI
6th Aug 2026256 PMAQI
6th Aug 2026237 PMAQI
6th Aug 2026258 PMAQI
6th Aug 2026239 PMAQI
6th Aug 20262310 PMAQI
6th Aug 20262511 PMAQI
7th Aug 20262712 AMAQI
7th Aug 2026211 AMAQI
7th Aug 2026232 AMAQI
7th Aug 2026233 AMAQI
7th Aug 2026254 AMAQI
30°C26/34°C
7th Aug 2026255 AMAQI
7th Aug 2026296 AMAQI
7th Aug 2026297 AMAQI
7th Aug 2026298 AMAQI
7th Aug 2026299 AMAQI
7th Aug 20262910 AMAQI
7th Aug 20262911 AMAQI
7th Aug 20262712 PMAQI
7th Aug 2026291 PMAQI
7th Aug 2026422 PMAQI
7th Aug 2026293 PMAQI
7th Aug 2026254 PMAQI
7th Aug 2026255 PMAQI
7th Aug 2026336 PMAQI
7th Aug 2026337 PMAQI
7th Aug 2026278 PMAQI
7th Aug 2026299 PMAQI
7th Aug 20262510 PMAQI
7th Aug 20263311 PMAQI
8th Aug 20263312 AMAQI
8th Aug 2026331 AMAQI
8th Aug 2026332 AMAQI
8th Aug 2026333 AMAQI
8th Aug 2026334 AMAQI
30°C27/34°C
8th Aug 2026335 AMAQI
5 AM8th Aug 2026336 AMAQI
8th Aug 2026337 AMAQI
8th Aug 2026338 AMAQI
8th Aug 2026339 AMAQI
8th Aug 20263110 AMAQI
8th Aug 20262811 AMAQI
8th Aug 20262112 PMAQI
12 PM8th Aug 2026251 PMAQI
8th Aug 2026292 PMAQI
8th Aug 2026253 PMAQI
8th Aug 2026254 PMAQI
8th Aug 2026215 PMAQI
8th Aug 2026216 PMAQI
8th Aug 2026257 PMAQI
7 PM8th Aug 2026258 PMAQI
8th Aug 2026239 PMAQI
8th Aug 20263310 PMAQI
8th Aug 20262711 PMAQI
12 AM
4 AM
29°C25/33°C
Day time
Avg. Highest Time
1 PM - 7 PM
44AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
6 AM - 8 AM
35AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 7 PM (Avg. 44), while the lowest AQI was between 6 AM to 8 AM (Avg. 35).
Night time
Avg. Highest Time
8 PM - 11 PM
40AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
12 AM - 4 AM
38AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 11 PM (Avg. 40), while the lowest AQI was between 12 AM to 4 AM (Avg. 38).
2026 Days Vs Air Quality
Kasaoka, Okayama, Japan
2026
80%
177
20%
43
Total number of days with different AQI categories in last 220 days in 2026 (145 days remaining)
Good
177 DaysModerate
43 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 80%
Health Risk Level:
Low
In 2026, 80% of 220 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
Kasaoka, Okayama, 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
24AQI (US)
24AQI (US)
2nd January 2026
13AQI (US)
13AQI (US)
3rd January 2026
16AQI (US)
16AQI (US)
4th January 2026
33AQI (US)
33AQI (US)
5th January 2026
42AQI (US)
42AQI (US)
6th January 2026
25AQI (US)
25AQI (US)
7th January 2026
29AQI (US)
29AQI (US)
8th January 2026
26AQI (US)
26AQI (US)
9th January 2026
32AQI (US)
32AQI (US)
10th January 2026
37AQI (US)
37AQI (US)
11th January 2026
24AQI (US)
24AQI (US)
12th January 2026
22AQI (US)
22AQI (US)
13th January 2026
32AQI (US)
32AQI (US)
14th January 2026
20AQI (US)
20AQI (US)
15th January 2026
47AQI (US)
47AQI (US)
16th January 2026
72AQI (US)
72AQI (US)
17th January 2026
80AQI (US)
80AQI (US)
18th January 2026
56AQI (US)
56AQI (US)
19th January 2026
58AQI (US)
58AQI (US)
20th January 2026
23AQI (US)
23AQI (US)
21st January 2026
12AQI (US)
12AQI (US)
22nd January 2026
23AQI (US)
23AQI (US)
23rd January 2026
37AQI (US)
37AQI (US)
24th January 2026
43AQI (US)
43AQI (US)
25th January 2026
41AQI (US)
41AQI (US)
26th January 2026
25AQI (US)
25AQI (US)
27th January 2026
39AQI (US)
39AQI (US)
28th January 2026
28AQI (US)
28AQI (US)
29th January 2026
16AQI (US)
16AQI (US)
30th January 2026
36AQI (US)
36AQI (US)
31st January 2026
31AQI (US)
31AQI (US)
1st February 2026
38AQI (US)
38AQI (US)
2nd February 2026
46AQI (US)
46AQI (US)
3rd February 2026
32AQI (US)
32AQI (US)
4th February 2026
39AQI (US)
39AQI (US)
5th February 2026
49AQI (US)
49AQI (US)
6th February 2026
37AQI (US)
37AQI (US)
7th February 2026
24AQI (US)
24AQI (US)
8th February 2026
9AQI (US)
9AQI (US)
9th February 2026
20AQI (US)
20AQI (US)
10th February 2026
48AQI (US)
48AQI (US)
11th February 2026
37AQI (US)
37AQI (US)
12th February 2026
42AQI (US)
42AQI (US)
13th February 2026
41AQI (US)
41AQI (US)
14th February 2026
69AQI (US)
69AQI (US)
15th February 2026
73AQI (US)
73AQI (US)
16th February 2026
47AQI (US)
47AQI (US)
17th February 2026
23AQI (US)
23AQI (US)
18th February 2026
31AQI (US)
31AQI (US)
19th February 2026
40AQI (US)
40AQI (US)
20th February 2026
47AQI (US)
47AQI (US)
21st February 2026
64AQI (US)
64AQI (US)
22nd February 2026
58AQI (US)
58AQI (US)
23rd February 2026
46AQI (US)
46AQI (US)
24th February 2026
40AQI (US)
40AQI (US)
25th February 2026
14AQI (US)
14AQI (US)
26th February 2026
13AQI (US)
13AQI (US)
27th February 2026
46AQI (US)
46AQI (US)
28th February 2026
20AQI (US)
20AQI (US)
1st March 2026
33AQI (US)
33AQI (US)
2nd March 2026
48AQI (US)
48AQI (US)
3rd March 2026
13AQI (US)
13AQI (US)
4th March 2026
14AQI (US)
14AQI (US)
5th March 2026
50AQI (US)
50AQI (US)
6th March 2026
53AQI (US)
53AQI (US)
7th March 2026
47AQI (US)
47AQI (US)
8th March 2026
25AQI (US)
25AQI (US)
9th March 2026
50AQI (US)
50AQI (US)
10th March 2026
57AQI (US)
57AQI (US)
11th March 2026
55AQI (US)
55AQI (US)
12th March 2026
63AQI (US)
63AQI (US)
13th March 2026
40AQI (US)
40AQI (US)
14th March 2026
44AQI (US)
44AQI (US)
15th March 2026
59AQI (US)
59AQI (US)
16th March 2026
59AQI (US)
59AQI (US)
17th March 2026
52AQI (US)
52AQI (US)
18th March 2026
61AQI (US)
61AQI (US)
19th March 2026
45AQI (US)
45AQI (US)
20th March 2026
53AQI (US)
53AQI (US)
21st March 2026
48AQI (US)
48AQI (US)
22nd March 2026
62AQI (US)
62AQI (US)
23rd March 2026
52AQI (US)
52AQI (US)
24th March 2026
46AQI (US)
46AQI (US)
25th March 2026
46AQI (US)
46AQI (US)
26th March 2026
15AQI (US)
15AQI (US)
27th March 2026
32AQI (US)
32AQI (US)
28th March 2026
65AQI (US)
65AQI (US)
29th March 2026
85AQI (US)
85AQI (US)
30th March 2026
90AQI (US)
90AQI (US)
31st March 2026
20AQI (US)
20AQI (US)
1st April 2026
11AQI (US)
11AQI (US)
2nd April 2026
51AQI (US)
51AQI (US)
3rd April 2026
51AQI (US)
51AQI (US)
4th April 2026
28AQI (US)
28AQI (US)
5th April 2026
20AQI (US)
20AQI (US)
6th April 2026
46AQI (US)
46AQI (US)
7th April 2026
33AQI (US)
33AQI (US)
8th April 2026
35AQI (US)
35AQI (US)
9th April 2026
30AQI (US)
30AQI (US)
10th April 2026
26AQI (US)
26AQI (US)
11th April 2026
28AQI (US)
28AQI (US)
12th April 2026
33AQI (US)
33AQI (US)
13th April 2026
48AQI (US)
48AQI (US)
14th April 2026
51AQI (US)
51AQI (US)
15th April 2026
26AQI (US)
26AQI (US)
16th April 2026
25AQI (US)
25AQI (US)
17th April 2026
44AQI (US)
44AQI (US)
18th April 2026
43AQI (US)
43AQI (US)
19th April 2026
34AQI (US)
34AQI (US)
20th April 2026
30AQI (US)
30AQI (US)
21st April 2026
40AQI (US)
40AQI (US)
22nd April 2026
48AQI (US)
48AQI (US)
23rd April 2026
31AQI (US)
31AQI (US)
24th April 2026
28AQI (US)
28AQI (US)
25th April 2026
44AQI (US)
44AQI (US)
26th April 2026
32AQI (US)
32AQI (US)
27th April 2026
30AQI (US)
30AQI (US)
28th April 2026
48AQI (US)
48AQI (US)
29th April 2026
41AQI (US)
41AQI (US)
30th April 2026
20AQI (US)
20AQI (US)
1st May 2026
48AQI (US)
48AQI (US)
2nd May 2026
39AQI (US)
39AQI (US)
3rd May 2026
42AQI (US)
42AQI (US)
4th May 2026
25AQI (US)
25AQI (US)
5th May 2026
23AQI (US)
23AQI (US)
6th May 2026
29AQI (US)
29AQI (US)
7th May 2026
35AQI (US)
35AQI (US)
8th May 2026
26AQI (US)
26AQI (US)
9th May 2026
19AQI (US)
19AQI (US)
10th May 2026
31AQI (US)
31AQI (US)
11th May 2026
31AQI (US)
31AQI (US)
12th May 2026
29AQI (US)
29AQI (US)
13th May 2026
28AQI (US)
28AQI (US)
14th May 2026
38AQI (US)
38AQI (US)
15th May 2026
33AQI (US)
33AQI (US)
16th May 2026
79AQI (US)
79AQI (US)
17th May 2026
63AQI (US)
63AQI (US)
18th May 2026
53AQI (US)
53AQI (US)
19th May 2026
46AQI (US)
46AQI (US)
20th May 2026
60AQI (US)
60AQI (US)
21st May 2026
66AQI (US)
66AQI (US)
22nd May 2026
67AQI (US)
67AQI (US)
23rd May 2026
61AQI (US)
61AQI (US)
24th May 2026
62AQI (US)
62AQI (US)
25th May 2026
54AQI (US)
54AQI (US)
26th May 2026
41AQI (US)
41AQI (US)
27th May 2026
18AQI (US)
18AQI (US)
28th May 2026
25AQI (US)
25AQI (US)
29th May 2026
31AQI (US)
31AQI (US)
30th May 2026
29AQI (US)
29AQI (US)
31st May 2026
49AQI (US)
49AQI (US)
1st June 2026
58AQI (US)
58AQI (US)
2nd June 2026
22AQI (US)
22AQI (US)
3rd June 2026
12AQI (US)
12AQI (US)
4th June 2026
24AQI (US)
24AQI (US)
5th June 2026
16AQI (US)
16AQI (US)
6th June 2026
20AQI (US)
20AQI (US)
7th June 2026
12AQI (US)
12AQI (US)
8th June 2026
14AQI (US)
14AQI (US)
9th June 2026
24AQI (US)
24AQI (US)
10th June 2026
20AQI (US)
20AQI (US)
11th June 2026
41AQI (US)
41AQI (US)
12th June 2026
35AQI (US)
35AQI (US)
13th June 2026
41AQI (US)
41AQI (US)
14th June 2026
28AQI (US)
28AQI (US)
15th June 2026
21AQI (US)
21AQI (US)
16th June 2026
20AQI (US)
20AQI (US)
17th June 2026
15AQI (US)
15AQI (US)
18th June 2026
25AQI (US)
25AQI (US)
19th June 2026
28AQI (US)
28AQI (US)
20th June 2026
56AQI (US)
56AQI (US)
21st June 2026
18AQI (US)
18AQI (US)
22nd June 2026
12AQI (US)
12AQI (US)
23rd June 2026
22AQI (US)
22AQI (US)
24th June 2026
21AQI (US)
21AQI (US)
25th June 2026
26AQI (US)
26AQI (US)
26th June 2026
30AQI (US)
30AQI (US)
27th June 2026
27AQI (US)
27AQI (US)
28th June 2026
34AQI (US)
34AQI (US)
29th June 2026
48AQI (US)
48AQI (US)
30th June 2026
61AQI (US)
61AQI (US)
1st July 2026
60AQI (US)
60AQI (US)
2nd July 2026
14AQI (US)
14AQI (US)
3rd July 2026
23AQI (US)
23AQI (US)
4th July 2026
14AQI (US)
14AQI (US)
5th July 2026
14AQI (US)
14AQI (US)
6th July 2026
12AQI (US)
12AQI (US)
7th July 2026
34AQI (US)
34AQI (US)
8th July 2026
42AQI (US)
42AQI (US)
9th July 2026
31AQI (US)
31AQI (US)
10th July 2026
37AQI (US)
37AQI (US)
11th July 2026
37AQI (US)
37AQI (US)
12th July 2026
17AQI (US)
17AQI (US)
13th July 2026
22AQI (US)
22AQI (US)
14th July 2026
23AQI (US)
23AQI (US)
15th July 2026
22AQI (US)
22AQI (US)
16th July 2026
25AQI (US)
25AQI (US)
17th July 2026
50AQI (US)
50AQI (US)
18th July 2026
63AQI (US)
63AQI (US)
19th July 2026
65AQI (US)
65AQI (US)
20th July 2026
62AQI (US)
62AQI (US)
21st July 2026
72AQI (US)
72AQI (US)
22nd July 2026
73AQI (US)
73AQI (US)
23rd July 2026
49AQI (US)
49AQI (US)
24th July 2026
43AQI (US)
43AQI (US)
25th July 2026
47AQI (US)
47AQI (US)
26th July 2026
35AQI (US)
35AQI (US)
27th July 2026
40AQI (US)
40AQI (US)
28th July 2026
39AQI (US)
39AQI (US)
29th July 2026
36AQI (US)
36AQI (US)
30th July 2026
35AQI (US)
35AQI (US)
31st July 2026
29AQI (US)
29AQI (US)
1st August 2026
44AQI (US)
44AQI (US)
2nd August 2026
41AQI (US)
41AQI (US)
3rd August 2026
43AQI (US)
43AQI (US)
4th August 2026
35AQI (US)
35AQI (US)
5th August 2026
29AQI (US)
29AQI (US)
6th August 2026
24AQI (US)
24AQI (US)
7th August 2026
28AQI (US)
28AQI (US)
8th August 2026
29AQI (US)
29AQI (US)
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
34AQI (US)
39AQI (US)
48AQI (US)
35AQI (US)
41AQI (US)
28AQI (US)
38AQI (US)
34AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202637AQI (US)
27
4
24
4
17
14
27
3
22
9
27
3
25
6
8
177
43
Highest AQI (US) recorded in
March48AQI (US)
Lowest AQI (US) recorded in
June28AQI (US)
202545AQI (US)
25
6
25
3
19
11
1
19
11
20
11
14
16
16
14
1
23
8
30
23
8
15
15
21
10
250
113
2
Highest AQI (US) recorded in
July54AQI (US)
Lowest AQI (US) recorded in
September31AQI (US)
202446AQI (US)
27
4
22
6
1
21
10
12
17
1
13
18
12
18
18
13
20
11
18
12
28
3
24
6
31
246
118
2
Highest AQI (US) recorded in
April58AQI (US)
Lowest AQI (US) recorded in
December32AQI (US)
202352AQI (US)
21
6
3
14
14
7
23
1
9
20
1
15
16
11
19
17
14
22
9
17
13
19
12
15
13
1
16
14
183
173
6
Highest AQI (US) recorded in
March62AQI (US)
Lowest AQI (US) recorded in
August43AQI (US)
202253AQI (US)
21
9
15
6
10
19
2
8
21
1
2
29
11
19
7
15
2
1
20
8
20
11
14
16
26
5
154
159
3
2
Highest AQI (US) recorded in
May66AQI (US)
Lowest AQI (US) recorded in
December41AQI (US)
202150AQI (US)
16
13
2
10
18
12
17
10
11
12
19
13
17
21
10
23
8
24
6
20
11
16
14
18
13
195
157
2
Highest AQI (US) recorded in
February57AQI (US)
Lowest AQI (US) recorded in
August43AQI (US)
202051AQI (US)
4
9
10
11
6
12
14
16
27
4
13
14
4
16
3
20
11
15
15
15
16
140
111
4
Highest AQI (US) recorded in
August68AQI (US)
Lowest AQI (US) recorded in
September36AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2022(Avg.)
53AQI (US)Least Polluted Year Recorded
2026(Avg.)
37AQI (US)Kasaoka's annual 2026 AQI (US) (37) shows an average percentage change of -24.9% (improved AQI (US)) compared to previous years: 2020 (51), 2021 (50), 2022 (53), 2023 (52), 2024 (46), 2025 (45).
