Osaka Prefecture, Sayama, Osaka, 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
Osaka Prefecture, Sayama, Osaka, Japan
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Aug 2024
64AQILowest AQI recorded on
8th Aug 2023
11AQISame Day Analysis (9th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 24 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 8th Aug - 9th Aug 2026
Osaka Prefecture, Sayama, Osaka, Japan
AQI
Day
Night
.
5 AM8th Aug 2026
7 PM
4 AM9th Aug 2026
Day time
Avg. Highest Time
7AM8th Aug
29AQI
Avg. Lowest Time
4PM8th Aug
21AQI
Night time
Avg. Highest Time
8PM8th Aug
48AQI
Avg. Lowest Time
3AM9th Aug
21AQI
In the last 24 hours,
Osaka Prefecture's AQI reached its highest point of 48 at 8 PM during the Night, while the lowest point, 21, was recorded at 3 AM during the Night between 8th Aug and 9th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Osaka Prefecture, Sayama, Osaka, Japan
JulAug
11th - 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 - 09th09th
Day
Night
11th Jul 2026315 AMAQI
11th Jul 2026186 AMAQI
11th Jul 2026287 AMAQI
11th Jul 2026328 AMAQI
11th Jul 2026319 AMAQI
11th Jul 20263210 AMAQI
11th Jul 20262711 AMAQI
11th Jul 20262312 PMAQI
11th Jul 2026231 PMAQI
11th Jul 2026212 PMAQI
11th Jul 2026213 PMAQI
11th Jul 2026224 PMAQI
11th Jul 2026185 PMAQI
11th Jul 2026266 PMAQI
11th Jul 2026267 PMAQI
11th Jul 2026248 PMAQI
11th Jul 2026189 PMAQI
11th Jul 20261810 PMAQI
11th Jul 20263011 PMAQI
12th Jul 20262612 AMAQI
12th Jul 2026271 AMAQI
12th Jul 2026272 AMAQI
12th Jul 2026303 AMAQI
12th Jul 2026254 AMAQI
27°C24/30°C
12th Jul 2026265 AMAQI
12th Jul 2026246 AMAQI
12th Jul 2026287 AMAQI
12th Jul 2026278 AMAQI
12th Jul 2026289 AMAQI
12th Jul 20262510 AMAQI
12th Jul 20262411 AMAQI
12th Jul 20262412 PMAQI
12th Jul 2026221 PMAQI
12th Jul 2026222 PMAQI
12th Jul 2026213 PMAQI
12th Jul 2026244 PMAQI
12th Jul 2026275 PMAQI
12th Jul 2026286 PMAQI
12th Jul 2026297 PMAQI
12th Jul 2026288 PMAQI
12th Jul 2026319 PMAQI
12th Jul 20262910 PMAQI
12th Jul 20263011 PMAQI
13th Jul 20263012 AMAQI
13th Jul 2026301 AMAQI
13th Jul 2026302 AMAQI
13th Jul 2026283 AMAQI
13th Jul 2026254 AMAQI
27°C24/31°C
13th Jul 2026285 AMAQI
13th Jul 2026266 AMAQI
13th Jul 2026287 AMAQI
13th Jul 2026288 AMAQI
13th Jul 2026309 AMAQI
13th Jul 20262910 AMAQI
13th Jul 20262411 AMAQI
13th Jul 20262612 PMAQI
13th Jul 2026271 PMAQI
13th Jul 2026262 PMAQI
13th Jul 2026243 PMAQI
13th Jul 2026264 PMAQI
13th Jul 2026305 PMAQI
13th Jul 2026306 PMAQI
13th Jul 2026307 PMAQI
13th Jul 2026318 PMAQI
13th Jul 2026309 PMAQI
13th Jul 20263210 PMAQI
13th Jul 20263011 PMAQI
14th Jul 20263212 AMAQI
14th Jul 2026301 AMAQI
14th Jul 2026312 AMAQI
14th Jul 2026303 AMAQI
14th Jul 2026244 AMAQI
29°C26/32°C
14th Jul 2026295 AMAQI
14th Jul 2026266 AMAQI
14th Jul 2026287 AMAQI
14th Jul 2026288 AMAQI
14th Jul 2026319 AMAQI
14th Jul 20263010 AMAQI
14th Jul 20262611 AMAQI
14th Jul 20262212 PMAQI
14th Jul 2026221 PMAQI
14th Jul 2026242 PMAQI
14th Jul 2026223 PMAQI
14th Jul 2026264 PMAQI
14th Jul 2026305 PMAQI
14th Jul 2026306 PMAQI
14th Jul 2026307 PMAQI
14th Jul 2026308 PMAQI
14th Jul 2026329 PMAQI
14th Jul 20262910 PMAQI
14th Jul 20263011 PMAQI
15th Jul 20263212 AMAQI
15th Jul 2026301 AMAQI
15th Jul 2026342 AMAQI
15th Jul 2026323 AMAQI
15th Jul 2026264 AMAQI
30°C26/33°C
15th Jul 2026305 AMAQI
15th Jul 2026266 AMAQI
15th Jul 2026317 AMAQI
15th Jul 2026318 AMAQI
15th Jul 2026329 AMAQI
15th Jul 20263010 AMAQI
15th Jul 20262211 AMAQI
15th Jul 20262112 PMAQI
15th Jul 2026201 PMAQI
15th Jul 2026182 PMAQI
15th Jul 2026203 PMAQI
15th Jul 2026214 PMAQI
15th Jul 2026195 PMAQI
15th Jul 2026216 PMAQI
15th Jul 2026257 PMAQI
15th Jul 2026348 PMAQI
15th Jul 2026499 PMAQI
15th Jul 20265410 PMAQI
15th Jul 20266211 PMAQI
16th Jul 20267212 AMAQI
16th Jul 2026751 AMAQI
16th Jul 2026722 AMAQI
16th Jul 2026723 AMAQI
16th Jul 2026704 AMAQI
30°C26/33°C
16th Jul 2026715 AMAQI
16th Jul 2026646 AMAQI
16th Jul 2026577 AMAQI
16th Jul 2026538 AMAQI
16th Jul 2026489 AMAQI
16th Jul 20264810 AMAQI
16th Jul 20265011 AMAQI
16th Jul 20265212 PMAQI
16th Jul 2026511 PMAQI
16th Jul 2026502 PMAQI
16th Jul 2026483 PMAQI
16th Jul 2026464 PMAQI
16th Jul 2026465 PMAQI
16th Jul 2026466 PMAQI
16th Jul 2026427 PMAQI
16th Jul 2026428 PMAQI
16th Jul 2026519 PMAQI
16th Jul 20265110 PMAQI
16th Jul 20265111 PMAQI
17th Jul 20264912 AMAQI
17th Jul 2026401 AMAQI
17th Jul 2026442 AMAQI
17th Jul 2026423 AMAQI
17th Jul 2026424 AMAQI
30°C27/33°C
17th Jul 2026445 AMAQI
17th Jul 2026406 AMAQI
17th Jul 2026427 AMAQI
17th Jul 2026448 AMAQI
17th Jul 2026429 AMAQI
17th Jul 20264910 AMAQI
17th Jul 20265311 AMAQI
17th Jul 20265312 PMAQI
17th Jul 2026551 PMAQI
17th Jul 2026582 PMAQI
17th Jul 2026603 PMAQI
17th Jul 2026584 PMAQI
17th Jul 2026555 PMAQI
17th Jul 2026626 PMAQI
17th Jul 2026567 PMAQI
17th Jul 2026588 PMAQI
17th Jul 2026569 PMAQI
17th Jul 20265510 PMAQI
17th Jul 20265711 PMAQI
18th Jul 20265712 AMAQI
18th Jul 2026541 AMAQI
18th Jul 2026532 AMAQI
18th Jul 2026533 AMAQI
18th Jul 2026554 AMAQI
30°C27/35°C
18th Jul 2026525 AMAQI
18th Jul 2026536 AMAQI
18th Jul 2026537 AMAQI
18th Jul 2026568 AMAQI
18th Jul 2026609 AMAQI
18th Jul 20266810 AMAQI
18th Jul 20267011 AMAQI
18th Jul 20267012 PMAQI
18th Jul 2026721 PMAQI
18th Jul 2026702 PMAQI
18th Jul 2026783 PMAQI
18th Jul 2026744 PMAQI
18th Jul 2026695 PMAQI
18th Jul 2026656 PMAQI
18th Jul 2026597 PMAQI
18th Jul 2026568 PMAQI
18th Jul 2026509 PMAQI
18th Jul 20265010 PMAQI
18th Jul 20264211 PMAQI
19th Jul 20264612 AMAQI
19th Jul 2026481 AMAQI
19th Jul 2026462 AMAQI
19th Jul 2026443 AMAQI
19th Jul 2026444 AMAQI
30°C27/33°C
19th Jul 2026405 AMAQI
19th Jul 2026386 AMAQI
19th Jul 2026407 AMAQI
19th Jul 2026448 AMAQI
19th Jul 2026499 AMAQI
19th Jul 20265310 AMAQI
19th Jul 20265211 AMAQI
19th Jul 20264712 PMAQI
19th Jul 2026441 PMAQI
19th Jul 2026442 PMAQI
19th Jul 2026423 PMAQI
19th Jul 2026514 PMAQI
19th Jul 2026545 PMAQI
19th Jul 2026496 PMAQI
19th Jul 2026447 PMAQI
19th Jul 2026428 PMAQI
19th Jul 2026449 PMAQI
19th Jul 20264210 PMAQI
19th Jul 20264211 PMAQI
20th Jul 20263812 AMAQI
20th Jul 2026361 AMAQI
20th Jul 2026362 AMAQI
20th Jul 2026333 AMAQI
20th Jul 2026364 AMAQI
30°C26/34°C
20th Jul 2026385 AMAQI
20th Jul 2026336 AMAQI
20th Jul 2026367 AMAQI
20th Jul 2026368 AMAQI
20th Jul 2026369 AMAQI
20th Jul 20263310 AMAQI
20th Jul 20263811 AMAQI
20th Jul 20264412 PMAQI
20th Jul 2026501 PMAQI
20th Jul 2026522 PMAQI
20th Jul 2026503 PMAQI
20th Jul 2026534 PMAQI
20th Jul 2026555 PMAQI
20th Jul 2026496 PMAQI
20th Jul 2026547 PMAQI
20th Jul 2026558 PMAQI
20th Jul 2026549 PMAQI
20th Jul 20264210 PMAQI
20th Jul 20263811 PMAQI
21st Jul 20264412 AMAQI
21st Jul 2026711 AMAQI
21st Jul 2026532 AMAQI
21st Jul 2026543 AMAQI
21st Jul 2026554 AMAQI
30°C27/33°C
21st Jul 2026595 AMAQI
21st Jul 2026566 AMAQI
21st Jul 2026567 AMAQI
21st Jul 2026538 AMAQI
21st Jul 2026569 AMAQI
21st Jul 20265610 AMAQI
21st Jul 20265711 AMAQI
21st Jul 2026621 PMAQI
21st Jul 2026562 PMAQI
21st Jul 2026573 PMAQI
21st Jul 2026644 PMAQI
21st Jul 2026645 PMAQI
21st Jul 2026646 PMAQI
21st Jul 20261027 PMAQI
21st Jul 2026698 PMAQI
21st Jul 2026699 PMAQI
21st Jul 20267010 PMAQI
21st Jul 20267311 PMAQI
22nd Jul 20267112 AMAQI
22nd Jul 2026681 AMAQI
22nd Jul 2026622 AMAQI
22nd Jul 2026583 AMAQI
22nd Jul 2026554 AMAQI
31°C27/34°C
22nd Jul 2026515 AMAQI
22nd Jul 2026526 AMAQI
22nd Jul 2026527 AMAQI
22nd Jul 2026538 AMAQI
22nd Jul 2026549 AMAQI
22nd Jul 20265610 AMAQI
22nd Jul 20266011 AMAQI
22nd Jul 20266412 PMAQI
22nd Jul 2026741 PMAQI
22nd Jul 2026792 PMAQI
22nd Jul 2026843 PMAQI
22nd Jul 2026814 PMAQI
22nd Jul 2026815 PMAQI
22nd Jul 2026806 PMAQI
22nd Jul 2026697 PMAQI
22nd Jul 2026768 PMAQI
22nd Jul 2026809 PMAQI
22nd Jul 20268110 PMAQI
22nd Jul 20268811 PMAQI
23rd Jul 20268412 AMAQI
23rd Jul 2026711 AMAQI
23rd Jul 2026692 AMAQI
23rd Jul 2026763 AMAQI
23rd Jul 2026714 AMAQI
31°C28/35°C
23rd Jul 2026685 AMAQI
23rd Jul 2026746 AMAQI
23rd Jul 2026707 AMAQI
23rd Jul 2026708 AMAQI
23rd Jul 2026729 AMAQI
23rd Jul 20267610 AMAQI
23rd Jul 20267611 AMAQI
23rd Jul 20268112 PMAQI
23rd Jul 20261021 PMAQI
23rd Jul 20261022 PMAQI
23rd Jul 20261003 PMAQI
23rd Jul 2026944 PMAQI
23rd Jul 2026875 PMAQI
23rd Jul 2026886 PMAQI
23rd Jul 2026907 PMAQI
23rd Jul 2026888 PMAQI
23rd Jul 2026859 PMAQI
23rd Jul 20266210 PMAQI
23rd Jul 20262711 PMAQI
24th Jul 20263212 AMAQI
24th Jul 2026381 AMAQI
24th Jul 2026402 AMAQI
24th Jul 2026313 AMAQI
24th Jul 2026314 AMAQI
32°C28/37°C
24th Jul 2026385 AMAQI
24th Jul 2026336 AMAQI
24th Jul 2026367 AMAQI
24th Jul 2026428 AMAQI
24th Jul 2026489 AMAQI
24th Jul 20265410 AMAQI
24th Jul 20265211 AMAQI
24th Jul 20264812 PMAQI
24th Jul 2026561 PMAQI
24th Jul 2026712 PMAQI
24th Jul 2026723 PMAQI
24th Jul 2026694 PMAQI
24th Jul 2026705 PMAQI
24th Jul 2026706 PMAQI
24th Jul 2026667 PMAQI
24th Jul 2026608 PMAQI
24th Jul 2026609 PMAQI
24th Jul 20265610 PMAQI
24th Jul 20264211 PMAQI
25th Jul 20263612 AMAQI
25th Jul 2026381 AMAQI
25th Jul 2026402 AMAQI
25th Jul 2026403 AMAQI
25th Jul 2026464 AMAQI
32°C28/36°C
25th Jul 2026465 AMAQI
25th Jul 2026366 AMAQI
25th Jul 2026337 AMAQI
25th Jul 2026368 AMAQI
25th Jul 2026389 AMAQI
25th Jul 20264910 AMAQI
25th Jul 20264411 AMAQI
25th Jul 20263812 PMAQI
25th Jul 2026441 PMAQI
25th Jul 2026532 PMAQI
25th Jul 2026553 PMAQI
25th Jul 2026544 PMAQI
25th Jul 2026555 PMAQI
25th Jul 2026536 PMAQI
25th Jul 2026527 PMAQI
25th Jul 2026518 PMAQI
25th Jul 2026519 PMAQI
25th Jul 20264210 PMAQI
25th Jul 20264011 PMAQI
26th Jul 20263812 AMAQI
26th Jul 2026361 AMAQI
26th Jul 2026402 AMAQI
26th Jul 2026383 AMAQI
26th Jul 2026384 AMAQI
32°C28/37°C
26th Jul 2026405 AMAQI
26th Jul 2026366 AMAQI
26th Jul 2026337 AMAQI
26th Jul 2026368 AMAQI
26th Jul 2026389 AMAQI
26th Jul 20265010 AMAQI
26th Jul 20265111 AMAQI
26th Jul 20265212 PMAQI
26th Jul 2026531 PMAQI
26th Jul 2026522 PMAQI
26th Jul 2026483 PMAQI
26th Jul 2026524 PMAQI
26th Jul 2026535 PMAQI
26th Jul 2026486 PMAQI
26th Jul 2026537 PMAQI
26th Jul 2026468 PMAQI
26th Jul 2026519 PMAQI
26th Jul 20262910 PMAQI
26th Jul 20262511 PMAQI
27th Jul 20263812 AMAQI
27th Jul 2026361 AMAQI
27th Jul 2026292 AMAQI
27th Jul 2026293 AMAQI
27th Jul 2026294 AMAQI
31°C27/35°C
27th Jul 2026275 AMAQI
27th Jul 2026316 AMAQI
27th Jul 2026337 AMAQI
27th Jul 2026368 AMAQI
27th Jul 2026389 AMAQI
27th Jul 20263110 AMAQI
27th Jul 20263111 AMAQI
27th Jul 20263812 PMAQI
27th Jul 2026211 PMAQI
27th Jul 2026212 PMAQI
27th Jul 2026233 PMAQI
27th Jul 2026274 PMAQI
27th Jul 2026275 PMAQI
27th Jul 2026216 PMAQI
27th Jul 2026257 PMAQI
27th Jul 2026368 PMAQI
27th Jul 2026339 PMAQI
27th Jul 20264410 PMAQI
27th Jul 20262511 PMAQI
28th Jul 20262112 AMAQI
28th Jul 2026291 AMAQI
28th Jul 2026212 AMAQI
28th Jul 2026273 AMAQI
28th Jul 2026314 AMAQI
30°C27/35°C
28th Jul 2026405 AMAQI
28th Jul 2026256 AMAQI
28th Jul 2026257 AMAQI
28th Jul 2026338 AMAQI
28th Jul 2026429 AMAQI
28th Jul 20265110 AMAQI
28th Jul 20265311 AMAQI
28th Jul 20266412 PMAQI
28th Jul 2026651 PMAQI
28th Jul 2026552 PMAQI
28th Jul 2026523 PMAQI
28th Jul 2026464 PMAQI
28th Jul 2026525 PMAQI
28th Jul 2026536 PMAQI
28th Jul 2026447 PMAQI
28th Jul 2026368 PMAQI
28th Jul 2026449 PMAQI
28th Jul 20263410 PMAQI
28th Jul 20263111 PMAQI
29th Jul 20262912 AMAQI
29th Jul 2026291 AMAQI
29th Jul 2026292 AMAQI
29th Jul 2026313 AMAQI
29th Jul 2026334 AMAQI
29°C26/34°C
29th Jul 2026335 AMAQI
29th Jul 2026366 AMAQI
29th Jul 2026337 AMAQI
29th Jul 2026388 AMAQI
29th Jul 2026369 AMAQI
29th Jul 20264610 AMAQI
29th Jul 20265011 AMAQI
29th Jul 20264612 PMAQI
29th Jul 2026511 PMAQI
29th Jul 2026532 PMAQI
29th Jul 2026503 PMAQI
29th Jul 2026524 PMAQI
29th Jul 2026545 PMAQI
29th Jul 2026486 PMAQI
29th Jul 2026507 PMAQI
29th Jul 2026528 PMAQI
29th Jul 2026519 PMAQI
29th Jul 20265110 PMAQI
29th Jul 20265111 PMAQI
30th Jul 20265312 AMAQI
30th Jul 2026521 AMAQI
30th Jul 2026502 AMAQI
30th Jul 2026503 AMAQI
30th Jul 2026444 AMAQI
28°C25/32°C
30th Jul 2026445 AMAQI
30th Jul 2026406 AMAQI
30th Jul 2026447 AMAQI
30th Jul 2026448 AMAQI
30th Jul 2026469 AMAQI
30th Jul 20264610 AMAQI
30th Jul 20265011 AMAQI
30th Jul 20265612 PMAQI
30th Jul 2026581 PMAQI
30th Jul 2026602 PMAQI
30th Jul 2026593 PMAQI
30th Jul 2026574 PMAQI
30th Jul 2026525 PMAQI
30th Jul 2026446 PMAQI
30th Jul 2026447 PMAQI
30th Jul 2026338 PMAQI
30th Jul 2026369 PMAQI
30th Jul 20263110 PMAQI
30th Jul 20263611 PMAQI
31st Jul 20264412 AMAQI
31st Jul 2026421 AMAQI
31st Jul 2026332 AMAQI
31st Jul 2026363 AMAQI
31st Jul 2026404 AMAQI
31°C27/34°C
31st Jul 2026425 AMAQI
31st Jul 2026386 AMAQI
31st Jul 2026517 AMAQI
31st Jul 2026488 AMAQI
31st Jul 2026549 AMAQI
31st Jul 20264210 AMAQI
31st Jul 20265011 AMAQI
31st Jul 20265512 PMAQI
31st Jul 2026481 PMAQI
31st Jul 2026552 PMAQI
31st Jul 2026583 PMAQI
31st Jul 2026654 PMAQI
31st Jul 2026645 PMAQI
31st Jul 2026546 PMAQI
31st Jul 2026427 PMAQI
31st Jul 2026448 PMAQI
31st Jul 2026509 PMAQI
31st Jul 20267010 PMAQI
31st Jul 20265811 PMAQI
1st Aug 20265312 AMAQI
1st Aug 2026481 AMAQI
1st Aug 2026462 AMAQI
1st Aug 2026403 AMAQI
1st Aug 2026444 AMAQI
31°C27/35°C
1st Aug 2026465 AMAQI
1st Aug 2026486 AMAQI
1st Aug 2026467 AMAQI
1st Aug 2026468 AMAQI
1st Aug 2026529 AMAQI
1st Aug 20265010 AMAQI
1st Aug 20265411 AMAQI
1st Aug 20266012 PMAQI
1st Aug 2026621 PMAQI
1st Aug 2026642 PMAQI
1st Aug 2026643 PMAQI
1st Aug 2026624 PMAQI
1st Aug 2026645 PMAQI
1st Aug 2026586 PMAQI
1st Aug 2026447 PMAQI
1st Aug 2026448 PMAQI
1st Aug 2026469 PMAQI
1st Aug 20264610 PMAQI
1st Aug 20264611 PMAQI
2nd Aug 20264412 AMAQI
2nd Aug 2026401 AMAQI
2nd Aug 2026462 AMAQI
2nd Aug 2026443 AMAQI
2nd Aug 2026404 AMAQI
31°C27/36°C
2nd Aug 2026465 AMAQI
2nd Aug 2026446 AMAQI
2nd Aug 2026447 AMAQI
2nd Aug 2026468 AMAQI
2nd Aug 2026459 AMAQI
2nd Aug 20264810 AMAQI
2nd Aug 20264811 AMAQI
2nd Aug 20264612 PMAQI
2nd Aug 2026441 PMAQI
2nd Aug 2026462 PMAQI
2nd Aug 2026423 PMAQI
2nd Aug 2026484 PMAQI
2nd Aug 2026485 PMAQI
2nd Aug 2026506 PMAQI
2nd Aug 2026527 PMAQI
2nd Aug 2026448 PMAQI
2nd Aug 2026449 PMAQI
2nd Aug 20264210 PMAQI
2nd Aug 20265011 PMAQI
3rd Aug 20264612 AMAQI
3rd Aug 2026311 AMAQI
3rd Aug 2026312 AMAQI
3rd Aug 2026363 AMAQI
3rd Aug 2026464 AMAQI
32°C28/35°C
3rd Aug 2026525 AMAQI
3rd Aug 2026316 AMAQI
3rd Aug 2026387 AMAQI
3rd Aug 2026368 AMAQI
3rd Aug 2026389 AMAQI
3rd Aug 20263810 AMAQI
3rd Aug 20264411 AMAQI
3rd Aug 20265512 PMAQI
3rd Aug 2026661 PMAQI
3rd Aug 2026622 PMAQI
3rd Aug 2026623 PMAQI
3rd Aug 2026584 PMAQI
3rd Aug 2026565 PMAQI
3rd Aug 2026606 PMAQI
3rd Aug 2026527 PMAQI
3rd Aug 2026338 PMAQI
3rd Aug 2026389 PMAQI
3rd Aug 20263110 PMAQI
3rd Aug 20265111 PMAQI
4th Aug 20263812 AMAQI
4th Aug 2026271 AMAQI
4th Aug 2026272 AMAQI
4th Aug 2026233 AMAQI
4th Aug 2026234 AMAQI
30°C27/35°C
4th Aug 2026255 AMAQI
4th Aug 2026236 AMAQI
4th Aug 2026237 AMAQI
4th Aug 2026238 AMAQI
4th Aug 2026219 AMAQI
4th Aug 20262310 AMAQI
4th Aug 20262511 AMAQI
4th Aug 20262312 PMAQI
4th Aug 2026211 PMAQI
4th Aug 2026232 PMAQI
4th Aug 2026273 PMAQI
4th Aug 2026274 PMAQI
4th Aug 2026275 PMAQI
4th Aug 2026296 PMAQI
4th Aug 2026297 PMAQI
4th Aug 2026278 PMAQI
4th Aug 2026259 PMAQI
4th Aug 20262110 PMAQI
4th Aug 20262911 PMAQI
5th Aug 20262512 AMAQI
5th Aug 2026211 AMAQI
5th Aug 202682 AMAQI
5th Aug 2026123 AMAQI
5th Aug 2026194 AMAQI
29°C27/35°C
5th Aug 2026145 AMAQI
5th Aug 2026216 AMAQI
5th Aug 2026217 AMAQI
5th Aug 2026198 AMAQI
5th Aug 2026169 AMAQI
5th Aug 20261210 AMAQI
5th Aug 20261911 AMAQI
5th Aug 20262512 PMAQI
5th Aug 2026211 PMAQI
5th Aug 2026212 PMAQI
5th Aug 2026213 PMAQI
5th Aug 2026234 PMAQI
5th Aug 2026235 PMAQI
5th Aug 2026256 PMAQI
5th Aug 2026347 PMAQI
5th Aug 2026388 PMAQI
5th Aug 2026319 PMAQI
5th Aug 20262910 PMAQI
5th Aug 20262711 PMAQI
6th Aug 20262712 AMAQI
6th Aug 2026231 AMAQI
6th Aug 2026252 AMAQI
6th Aug 2026253 AMAQI
6th Aug 2026294 AMAQI
30°C24/36°C
6th Aug 2026295 AMAQI
6th Aug 2026276 AMAQI
6th Aug 2026257 AMAQI
6th Aug 2026238 AMAQI
6th Aug 2026219 AMAQI
6th Aug 20262510 AMAQI
6th Aug 20262111 AMAQI
6th Aug 20262512 PMAQI
6th Aug 2026251 PMAQI
6th Aug 2026252 PMAQI
6th Aug 2026253 PMAQI
6th Aug 2026254 PMAQI
6th Aug 2026255 PMAQI
6th Aug 2026256 PMAQI
6th Aug 2026257 PMAQI
6th Aug 2026258 PMAQI
6th Aug 2026279 PMAQI
6th Aug 20262910 PMAQI
6th Aug 20262511 PMAQI
7th Aug 20262712 AMAQI
7th Aug 2026231 AMAQI
7th Aug 2026252 AMAQI
7th Aug 2026253 AMAQI
7th Aug 2026254 AMAQI
31°C27/36°C
7th Aug 2026215 AMAQI
7th Aug 2026236 AMAQI
7th Aug 2026237 AMAQI
7th Aug 2026218 AMAQI
7th Aug 2026259 AMAQI
7th Aug 20262510 AMAQI
7th Aug 20262511 AMAQI
7th Aug 20263812 PMAQI
7th Aug 2026441 PMAQI
7th Aug 2026272 PMAQI
7th Aug 2026253 PMAQI
7th Aug 2026294 PMAQI
7th Aug 2026215 PMAQI
7th Aug 2026256 PMAQI
7th Aug 2026217 PMAQI
7th Aug 2026238 PMAQI
7th Aug 2026279 PMAQI
7th Aug 20262910 PMAQI
7th Aug 20262511 PMAQI
8th Aug 20262512 AMAQI
8th Aug 2026271 AMAQI
8th Aug 2026252 AMAQI
8th Aug 2026233 AMAQI
8th Aug 2026254 AMAQI
31°C27/37°C
8th Aug 2026255 AMAQI
8th Aug 2026256 AMAQI
8th Aug 2026297 AMAQI
8th Aug 2026258 AMAQI
8th Aug 2026239 AMAQI
8th Aug 20262510 AMAQI
8th Aug 20262511 AMAQI
8th Aug 20262712 PMAQI
8th Aug 2026251 PMAQI
8th Aug 2026252 PMAQI
8th Aug 2026233 PMAQI
8th Aug 2026214 PMAQI
8th Aug 2026255 PMAQI
8th Aug 2026256 PMAQI
8th Aug 2026237 PMAQI
8th Aug 2026488 PMAQI
8th Aug 2026219 PMAQI
8th Aug 20262310 PMAQI
8th Aug 20262111 PMAQI
9th Aug 20262112 AMAQI
9th Aug 2026211 AMAQI
9th Aug 2026232 AMAQI
9th Aug 2026213 AMAQI
9th Aug 2026234 AMAQI
30°C26/34°C
9th Aug 2026255 AMAQI
5 AM9th Aug 2026256 AMAQI
9th Aug 2026297 AMAQI
9th Aug 2026258 AMAQI
9th Aug 2026259 AMAQI
9th Aug 20262510 AMAQI
9th Aug 20262311 AMAQI
9th Aug 20262312 PMAQI
12 PM9th Aug 2026291 PMAQI
9th Aug 2026252 PMAQI
9th Aug 2026233 PMAQI
9th Aug 2026254 PMAQI
9th Aug 2026255 PMAQI
9th Aug 2026216 PMAQI
9th Aug 2026217 PMAQI
7 PM9th Aug 2026218 PMAQI
9th Aug 2026219 PMAQI
9th Aug 20262310 PMAQI
9th Aug 20262111 PMAQI
12 AM
4 AM
29°C26/33°C
Day time
Avg. Highest Time
1 PM - 7 PM
45AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
6 AM - 9 AM
38AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 7 PM (Avg. 45), while the lowest AQI was between 6 AM to 9 AM (Avg. 38).
Night time
Avg. Highest Time
8 PM - 9 PM
44AQI
2 hours / Day
60 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 9 PM (Avg. 44), while the lowest AQI was between 12 AM to 4 AM (Avg. 38).
2026 Days Vs Air Quality
Osaka Prefecture, Sayama, Osaka, Japan
2026
80%
177
20%
44
Total number of days with different AQI categories in last 221 days in 2026 (144 days remaining)
Good
177 DaysModerate
44 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 80%
Health Risk Level:
Low
In 2026, 80% of 221 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
Osaka Prefecture, Sayama, Osaka, 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
19AQI (US)
19AQI (US)
3rd January 2026
17AQI (US)
17AQI (US)
4th January 2026
31AQI (US)
31AQI (US)
5th January 2026
49AQI (US)
49AQI (US)
6th January 2026
22AQI (US)
22AQI (US)
7th January 2026
33AQI (US)
33AQI (US)
8th January 2026
35AQI (US)
35AQI (US)
9th January 2026
22AQI (US)
22AQI (US)
10th January 2026
39AQI (US)
39AQI (US)
11th January 2026
33AQI (US)
33AQI (US)
12th January 2026
32AQI (US)
32AQI (US)
13th January 2026
32AQI (US)
32AQI (US)
14th January 2026
24AQI (US)
24AQI (US)
15th January 2026
48AQI (US)
48AQI (US)
16th January 2026
66AQI (US)
66AQI (US)
17th January 2026
59AQI (US)
59AQI (US)
18th January 2026
43AQI (US)
43AQI (US)
19th January 2026
55AQI (US)
55AQI (US)
20th January 2026
26AQI (US)
26AQI (US)
21st January 2026
13AQI (US)
13AQI (US)
22nd January 2026
23AQI (US)
23AQI (US)
23rd January 2026
39AQI (US)
39AQI (US)
24th January 2026
42AQI (US)
42AQI (US)
25th January 2026
27AQI (US)
27AQI (US)
26th January 2026
20AQI (US)
20AQI (US)
27th January 2026
44AQI (US)
44AQI (US)
28th January 2026
30AQI (US)
30AQI (US)
29th January 2026
17AQI (US)
17AQI (US)
30th January 2026
32AQI (US)
32AQI (US)
31st January 2026
30AQI (US)
30AQI (US)
1st February 2026
38AQI (US)
38AQI (US)
2nd February 2026
45AQI (US)
45AQI (US)
3rd February 2026
33AQI (US)
33AQI (US)
4th February 2026
41AQI (US)
41AQI (US)
5th February 2026
54AQI (US)
54AQI (US)
6th February 2026
49AQI (US)
49AQI (US)
7th February 2026
12AQI (US)
12AQI (US)
8th February 2026
12AQI (US)
12AQI (US)
9th February 2026
36AQI (US)
36AQI (US)
10th February 2026
49AQI (US)
49AQI (US)
11th February 2026
51AQI (US)
51AQI (US)
12th February 2026
55AQI (US)
55AQI (US)
13th February 2026
63AQI (US)
63AQI (US)
14th February 2026
77AQI (US)
77AQI (US)
15th February 2026
65AQI (US)
65AQI (US)
16th February 2026
58AQI (US)
58AQI (US)
17th February 2026
16AQI (US)
16AQI (US)
18th February 2026
28AQI (US)
28AQI (US)
19th February 2026
34AQI (US)
34AQI (US)
20th February 2026
40AQI (US)
40AQI (US)
21st February 2026
54AQI (US)
54AQI (US)
22nd February 2026
32AQI (US)
32AQI (US)
23rd February 2026
49AQI (US)
49AQI (US)
24th February 2026
50AQI (US)
50AQI (US)
25th February 2026
32AQI (US)
32AQI (US)
26th February 2026
15AQI (US)
15AQI (US)
27th February 2026
47AQI (US)
47AQI (US)
28th February 2026
44AQI (US)
44AQI (US)
1st March 2026
38AQI (US)
38AQI (US)
2nd March 2026
79AQI (US)
79AQI (US)
3rd March 2026
43AQI (US)
43AQI (US)
4th March 2026
59AQI (US)
59AQI (US)
5th March 2026
55AQI (US)
55AQI (US)
6th March 2026
54AQI (US)
54AQI (US)
7th March 2026
48AQI (US)
48AQI (US)
8th March 2026
45AQI (US)
45AQI (US)
9th March 2026
51AQI (US)
51AQI (US)
10th March 2026
58AQI (US)
58AQI (US)
11th March 2026
56AQI (US)
56AQI (US)
12th March 2026
21AQI (US)
21AQI (US)
13th March 2026
21AQI (US)
21AQI (US)
14th March 2026
45AQI (US)
45AQI (US)
15th March 2026
61AQI (US)
61AQI (US)
16th March 2026
58AQI (US)
58AQI (US)
17th March 2026
53AQI (US)
53AQI (US)
18th March 2026
60AQI (US)
60AQI (US)
19th March 2026
40AQI (US)
40AQI (US)
20th March 2026
53AQI (US)
53AQI (US)
21st March 2026
45AQI (US)
45AQI (US)
22nd March 2026
51AQI (US)
51AQI (US)
23rd March 2026
49AQI (US)
49AQI (US)
24th March 2026
56AQI (US)
56AQI (US)
25th March 2026
40AQI (US)
40AQI (US)
26th March 2026
10AQI (US)
10AQI (US)
27th March 2026
39AQI (US)
39AQI (US)
28th March 2026
50AQI (US)
50AQI (US)
29th March 2026
67AQI (US)
67AQI (US)
30th March 2026
41AQI (US)
41AQI (US)
31st March 2026
19AQI (US)
19AQI (US)
1st April 2026
17AQI (US)
17AQI (US)
2nd April 2026
48AQI (US)
48AQI (US)
3rd April 2026
55AQI (US)
55AQI (US)
4th April 2026
34AQI (US)
34AQI (US)
5th April 2026
18AQI (US)
18AQI (US)
6th April 2026
37AQI (US)
37AQI (US)
7th April 2026
35AQI (US)
35AQI (US)
8th April 2026
29AQI (US)
29AQI (US)
9th April 2026
36AQI (US)
36AQI (US)
10th April 2026
48AQI (US)
48AQI (US)
11th April 2026
37AQI (US)
37AQI (US)
12th April 2026
34AQI (US)
34AQI (US)
13th April 2026
35AQI (US)
35AQI (US)
14th April 2026
42AQI (US)
42AQI (US)
15th April 2026
17AQI (US)
17AQI (US)
16th April 2026
25AQI (US)
25AQI (US)
17th April 2026
41AQI (US)
41AQI (US)
18th April 2026
30AQI (US)
30AQI (US)
19th April 2026
39AQI (US)
39AQI (US)
20th April 2026
39AQI (US)
39AQI (US)
21st April 2026
40AQI (US)
40AQI (US)
22nd April 2026
44AQI (US)
44AQI (US)
23rd April 2026
36AQI (US)
36AQI (US)
24th April 2026
33AQI (US)
33AQI (US)
25th April 2026
45AQI (US)
45AQI (US)
26th April 2026
48AQI (US)
48AQI (US)
27th April 2026
50AQI (US)
50AQI (US)
28th April 2026
46AQI (US)
46AQI (US)
29th April 2026
43AQI (US)
43AQI (US)
30th April 2026
35AQI (US)
35AQI (US)
1st May 2026
40AQI (US)
40AQI (US)
2nd May 2026
55AQI (US)
55AQI (US)
3rd May 2026
50AQI (US)
50AQI (US)
4th May 2026
18AQI (US)
18AQI (US)
5th May 2026
20AQI (US)
20AQI (US)
6th May 2026
30AQI (US)
30AQI (US)
7th May 2026
32AQI (US)
32AQI (US)
8th May 2026
25AQI (US)
25AQI (US)
9th May 2026
25AQI (US)
25AQI (US)
10th May 2026
25AQI (US)
25AQI (US)
11th May 2026
31AQI (US)
31AQI (US)
12th May 2026
33AQI (US)
33AQI (US)
13th May 2026
44AQI (US)
44AQI (US)
14th May 2026
36AQI (US)
36AQI (US)
15th May 2026
34AQI (US)
34AQI (US)
16th May 2026
84AQI (US)
84AQI (US)
17th May 2026
67AQI (US)
67AQI (US)
18th May 2026
53AQI (US)
53AQI (US)
19th May 2026
49AQI (US)
49AQI (US)
20th May 2026
61AQI (US)
61AQI (US)
21st May 2026
61AQI (US)
61AQI (US)
22nd May 2026
63AQI (US)
63AQI (US)
23rd May 2026
56AQI (US)
56AQI (US)
24th May 2026
60AQI (US)
60AQI (US)
25th May 2026
50AQI (US)
50AQI (US)
26th May 2026
40AQI (US)
40AQI (US)
27th May 2026
24AQI (US)
24AQI (US)
28th May 2026
24AQI (US)
24AQI (US)
29th May 2026
26AQI (US)
26AQI (US)
30th May 2026
22AQI (US)
22AQI (US)
31st May 2026
27AQI (US)
27AQI (US)
1st June 2026
28AQI (US)
28AQI (US)
2nd June 2026
29AQI (US)
29AQI (US)
3rd June 2026
25AQI (US)
25AQI (US)
4th June 2026
25AQI (US)
25AQI (US)
5th June 2026
21AQI (US)
21AQI (US)
6th June 2026
23AQI (US)
23AQI (US)
7th June 2026
21AQI (US)
21AQI (US)
8th June 2026
20AQI (US)
20AQI (US)
9th June 2026
23AQI (US)
23AQI (US)
10th June 2026
22AQI (US)
22AQI (US)
11th June 2026
24AQI (US)
24AQI (US)
12th June 2026
26AQI (US)
26AQI (US)
13th June 2026
27AQI (US)
27AQI (US)
14th June 2026
24AQI (US)
24AQI (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
25AQI (US)
25AQI (US)
19th June 2026
30AQI (US)
30AQI (US)
20th June 2026
23AQI (US)
23AQI (US)
21st June 2026
20AQI (US)
20AQI (US)
22nd June 2026
18AQI (US)
18AQI (US)
23rd June 2026
21AQI (US)
21AQI (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
26AQI (US)
26AQI (US)
28th June 2026
28AQI (US)
28AQI (US)
29th June 2026
29AQI (US)
29AQI (US)
30th June 2026
31AQI (US)
31AQI (US)
1st July 2026
26AQI (US)
26AQI (US)
2nd July 2026
16AQI (US)
16AQI (US)
3rd July 2026
22AQI (US)
22AQI (US)
4th July 2026
24AQI (US)
24AQI (US)
5th July 2026
20AQI (US)
20AQI (US)
6th July 2026
15AQI (US)
15AQI (US)
7th July 2026
18AQI (US)
18AQI (US)
8th July 2026
24AQI (US)
24AQI (US)
9th July 2026
24AQI (US)
24AQI (US)
10th July 2026
26AQI (US)
26AQI (US)
11th July 2026
26AQI (US)
26AQI (US)
12th July 2026
26AQI (US)
26AQI (US)
13th July 2026
28AQI (US)
28AQI (US)
14th July 2026
28AQI (US)
28AQI (US)
15th July 2026
30AQI (US)
30AQI (US)
16th July 2026
55AQI (US)
55AQI (US)
17th July 2026
51AQI (US)
51AQI (US)
18th July 2026
60AQI (US)
60AQI (US)
19th July 2026
45AQI (US)
45AQI (US)
20th July 2026
43AQI (US)
43AQI (US)
21st July 2026
62AQI (US)
62AQI (US)
22nd July 2026
68AQI (US)
68AQI (US)
23rd July 2026
78AQI (US)
78AQI (US)
24th July 2026
51AQI (US)
51AQI (US)
25th July 2026
45AQI (US)
45AQI (US)
26th July 2026
43AQI (US)
43AQI (US)
27th July 2026
30AQI (US)
30AQI (US)
28th July 2026
41AQI (US)
41AQI (US)
29th July 2026
43AQI (US)
43AQI (US)
30th July 2026
47AQI (US)
47AQI (US)
31st July 2026
49AQI (US)
49AQI (US)
1st August 2026
51AQI (US)
51AQI (US)
2nd August 2026
45AQI (US)
45AQI (US)
3rd August 2026
45AQI (US)
45AQI (US)
4th August 2026
25AQI (US)
25AQI (US)
5th August 2026
22AQI (US)
22AQI (US)
6th August 2026
25AQI (US)
25AQI (US)
7th August 2026
26AQI (US)
26AQI (US)
8th August 2026
25AQI (US)
25AQI (US)
9th August 2026
24AQI (US)
24AQI (US)
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)
47AQI (US)
37AQI (US)
41AQI (US)
25AQI (US)
38AQI (US)
32AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202637AQI (US)
28
3
20
8
16
15
29
1
22
9
30
24
7
8
1
177
44
Highest AQI (US) recorded in
March47AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202544AQI (US)
27
4
24
4
22
9
19
11
23
8
19
11
18
13
20
11
30
26
5
18
12
23
8
269
96
Highest AQI (US) recorded in
July51AQI (US)
Lowest AQI (US) recorded in
September33AQI (US)
202437AQI (US)
26
5
27
2
25
6
21
8
1
28
3
26
4
28
3
25
6
27
3
31
29
1
31
324
41
1
Highest AQI (US) recorded in
April49AQI (US)
Lowest AQI (US) recorded in
December32AQI (US)
202340AQI (US)
23
7
20
8
18
13
19
11
26
5
20
10
25
6
30
1
29
1
29
2
22
6
23
8
284
78
Highest AQI (US) recorded in
March47AQI (US)
Lowest AQI (US) recorded in
August27AQI (US)
202240AQI (US)
20
2
18
3
17
13
21
9
17
14
25
5
17
4
1
26
2
29
2
21
9
28
3
240
66
Highest AQI (US) recorded in
March49AQI (US)
Lowest AQI (US) recorded in
August23AQI (US)
202140AQI (US)
20
9
19
9
21
9
1
25
5
22
9
23
7
29
2
27
4
27
3
31
23
7
26
5
293
69
1
Highest AQI (US) recorded in
March46AQI (US)
Lowest AQI (US) recorded in
August31AQI (US)
202042AQI (US)
7
6
13
8
15
3
24
6
28
3
10
21
17
2
25
6
19
11
18
13
176
79
Highest AQI (US) recorded in
August58AQI (US)
Lowest AQI (US) recorded in
July33AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
44AQI (US)Least Polluted Year Recorded
2024(Avg.)
37AQI (US)Osaka Prefecture's annual 2026 AQI (US) (37) shows an average percentage change of -8.3% (improved AQI (US)) compared to previous years: 2020 (42), 2021 (40), 2022 (40), 2023 (40), 2024 (37), 2025 (44).
