Chayamachi Hayaoki, Hayashima, 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
Chayamachi Hayaoki, Hayashima, Okayama, Japan
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Aug 2024
60AQILowest AQI recorded on
16th Aug 2026
10AQISame Day Analysis (16th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 10 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 15th Aug - 16th Aug 2026
Chayamachi Hayaoki, Hayashima, Okayama, Japan
AQI
Day
Night
.
5 AM15th Aug 2026
7 PM
4 AM16th Aug 2026
Day time
Avg. Highest Time
3PM15th Aug
66AQI
Avg. Lowest Time
6PM15th Aug
46AQI
Night time
Avg. Highest Time
7PM15th Aug
38AQI
Avg. Lowest Time
4AM16th Aug
8AQI
In the last 24 hours,
Chayamachi Hayaoki's AQI reached its highest point of 66 at 3 PM during the Day, while the lowest point, 8, was recorded at 4 AM during the Night between 15th Aug and 16th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Chayamachi Hayaoki, Hayashima, Okayama, Japan
JulAug
18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th
Day
Night
18th Jul 2026535 AMAQI
18th Jul 2026526 AMAQI
18th Jul 2026557 AMAQI
18th Jul 2026588 AMAQI
18th Jul 2026589 AMAQI
18th Jul 20265710 AMAQI
18th Jul 20266211 AMAQI
18th Jul 20265812 PMAQI
18th Jul 2026601 PMAQI
18th Jul 2026622 PMAQI
18th Jul 2026643 PMAQI
18th Jul 2026664 PMAQI
18th Jul 2026685 PMAQI
18th Jul 2026696 PMAQI
18th Jul 2026667 PMAQI
18th Jul 2026658 PMAQI
18th Jul 2026649 PMAQI
18th Jul 20266010 PMAQI
18th Jul 20266011 PMAQI
19th Jul 20265912 AMAQI
19th Jul 2026551 AMAQI
19th Jul 2026572 AMAQI
19th Jul 2026543 AMAQI
19th Jul 2026564 AMAQI
29°C26/32°C
19th Jul 2026565 AMAQI
19th Jul 2026546 AMAQI
19th Jul 2026577 AMAQI
19th Jul 2026548 AMAQI
19th Jul 2026549 AMAQI
19th Jul 20265110 AMAQI
19th Jul 20265211 AMAQI
19th Jul 20265612 PMAQI
19th Jul 2026541 PMAQI
19th Jul 2026532 PMAQI
19th Jul 2026503 PMAQI
19th Jul 2026464 PMAQI
19th Jul 2026495 PMAQI
19th Jul 2026506 PMAQI
19th Jul 2026447 PMAQI
19th Jul 2026488 PMAQI
19th Jul 2026509 PMAQI
19th Jul 20265310 PMAQI
19th Jul 20265111 PMAQI
20th Jul 20264512 AMAQI
20th Jul 2026421 AMAQI
20th Jul 2026482 AMAQI
20th Jul 2026513 AMAQI
20th Jul 2026484 AMAQI
29°C26/33°C
20th Jul 2026485 AMAQI
20th Jul 2026506 AMAQI
20th Jul 2026517 AMAQI
20th Jul 2026508 AMAQI
20th Jul 2026489 AMAQI
20th Jul 20265110 AMAQI
20th Jul 20265311 AMAQI
20th Jul 20265812 PMAQI
20th Jul 2026621 PMAQI
20th Jul 2026682 PMAQI
20th Jul 2026713 PMAQI
20th Jul 2026714 PMAQI
20th Jul 2026725 PMAQI
20th Jul 2026766 PMAQI
20th Jul 2026717 PMAQI
20th Jul 2026678 PMAQI
20th Jul 2026699 PMAQI
20th Jul 20267410 PMAQI
20th Jul 20268111 PMAQI
21st Jul 20267312 AMAQI
21st Jul 2026761 AMAQI
21st Jul 2026732 AMAQI
21st Jul 2026703 AMAQI
21st Jul 2026664 AMAQI
29°C26/31°C
21st Jul 2026645 AMAQI
21st Jul 2026606 AMAQI
21st Jul 2026537 AMAQI
21st Jul 2026608 AMAQI
21st Jul 2026579 AMAQI
21st Jul 20266010 AMAQI
21st Jul 20266411 AMAQI
21st Jul 2026761 PMAQI
21st Jul 2026902 PMAQI
21st Jul 2026863 PMAQI
21st Jul 20261024 PMAQI
21st Jul 20261025 PMAQI
21st Jul 2026906 PMAQI
21st Jul 20261067 PMAQI
21st Jul 2026788 PMAQI
21st Jul 2026709 PMAQI
21st Jul 20266810 PMAQI
21st Jul 20266811 PMAQI
22nd Jul 20267012 AMAQI
22nd Jul 2026691 AMAQI
22nd Jul 2026702 AMAQI
22nd Jul 2026683 AMAQI
22nd Jul 2026694 AMAQI
29°C26/32°C
22nd Jul 2026645 AMAQI
22nd Jul 2026556 AMAQI
22nd Jul 2026677 AMAQI
22nd Jul 2026768 AMAQI
22nd Jul 2026739 AMAQI
22nd Jul 20266510 AMAQI
22nd Jul 20268111 AMAQI
22nd Jul 20268412 PMAQI
22nd Jul 2026961 PMAQI
22nd Jul 2026992 PMAQI
22nd Jul 20261123 PMAQI
22nd Jul 20261044 PMAQI
22nd Jul 20261155 PMAQI
22nd Jul 20261186 PMAQI
22nd Jul 20261067 PMAQI
22nd Jul 2026978 PMAQI
22nd Jul 2026849 PMAQI
22nd Jul 20266610 PMAQI
22nd Jul 20267411 PMAQI
23rd Jul 20265812 AMAQI
23rd Jul 2026521 AMAQI
23rd Jul 2026562 AMAQI
23rd Jul 2026663 AMAQI
23rd Jul 2026664 AMAQI
29°C26/32°C
23rd Jul 2026665 AMAQI
23rd Jul 2026626 AMAQI
23rd Jul 2026607 AMAQI
23rd Jul 2026638 AMAQI
23rd Jul 2026519 AMAQI
23rd Jul 20264410 AMAQI
23rd Jul 20265911 AMAQI
23rd Jul 20265712 PMAQI
23rd Jul 2026491 PMAQI
23rd Jul 2026592 PMAQI
23rd Jul 2026623 PMAQI
23rd Jul 2026634 PMAQI
23rd Jul 2026645 PMAQI
23rd Jul 2026656 PMAQI
23rd Jul 2026797 PMAQI
23rd Jul 2026738 PMAQI
23rd Jul 2026679 PMAQI
23rd Jul 20267410 PMAQI
23rd Jul 20266711 PMAQI
24th Jul 20265812 AMAQI
24th Jul 2026361 AMAQI
24th Jul 2026362 AMAQI
24th Jul 2026333 AMAQI
24th Jul 2026464 AMAQI
29°C26/33°C
24th Jul 2026385 AMAQI
24th Jul 2026256 AMAQI
24th Jul 2026277 AMAQI
24th Jul 2026308 AMAQI
24th Jul 2026279 AMAQI
24th Jul 20262910 AMAQI
24th Jul 20263611 AMAQI
24th Jul 20264212 PMAQI
24th Jul 2026541 PMAQI
24th Jul 2026622 PMAQI
24th Jul 2026623 PMAQI
24th Jul 2026564 PMAQI
24th Jul 2026575 PMAQI
24th Jul 2026596 PMAQI
24th Jul 2026627 PMAQI
24th Jul 2026568 PMAQI
24th Jul 2026569 PMAQI
24th Jul 20264810 PMAQI
24th Jul 20264611 PMAQI
25th Jul 20264812 AMAQI
25th Jul 2026421 AMAQI
25th Jul 2026402 AMAQI
25th Jul 2026363 AMAQI
25th Jul 2026314 AMAQI
30°C26/33°C
25th Jul 2026315 AMAQI
25th Jul 2026296 AMAQI
25th Jul 2026277 AMAQI
25th Jul 2026338 AMAQI
25th Jul 2026279 AMAQI
25th Jul 20263310 AMAQI
25th Jul 20263311 AMAQI
25th Jul 20264012 PMAQI
25th Jul 2026621 PMAQI
25th Jul 2026652 PMAQI
25th Jul 2026553 PMAQI
25th Jul 2026694 PMAQI
25th Jul 2026605 PMAQI
25th Jul 2026546 PMAQI
25th Jul 2026597 PMAQI
25th Jul 2026538 PMAQI
25th Jul 2026509 PMAQI
25th Jul 20264810 PMAQI
25th Jul 20264011 PMAQI
26th Jul 20264412 AMAQI
26th Jul 2026331 AMAQI
26th Jul 2026332 AMAQI
26th Jul 2026313 AMAQI
26th Jul 2026384 AMAQI
29°C26/33°C
26th Jul 2026385 AMAQI
26th Jul 2026336 AMAQI
26th Jul 2026317 AMAQI
26th Jul 2026298 AMAQI
26th Jul 2026259 AMAQI
26th Jul 20262910 AMAQI
26th Jul 20263111 AMAQI
26th Jul 20263812 PMAQI
26th Jul 2026421 PMAQI
26th Jul 2026442 PMAQI
26th Jul 2026623 PMAQI
26th Jul 2026604 PMAQI
26th Jul 2026595 PMAQI
26th Jul 2026576 PMAQI
26th Jul 2026547 PMAQI
26th Jul 2026468 PMAQI
26th Jul 2026339 PMAQI
26th Jul 20263810 PMAQI
26th Jul 20263311 PMAQI
27th Jul 20263312 AMAQI
27th Jul 2026361 AMAQI
27th Jul 2026362 AMAQI
27th Jul 2026403 AMAQI
27th Jul 2026364 AMAQI
29°C26/33°C
27th Jul 2026365 AMAQI
27th Jul 2026336 AMAQI
27th Jul 2026317 AMAQI
27th Jul 2026368 AMAQI
27th Jul 2026369 AMAQI
27th Jul 20263110 AMAQI
27th Jul 20263611 AMAQI
27th Jul 20263312 PMAQI
27th Jul 2026441 PMAQI
27th Jul 2026362 PMAQI
27th Jul 2026333 PMAQI
27th Jul 2026364 PMAQI
27th Jul 2026405 PMAQI
27th Jul 2026576 PMAQI
27th Jul 2026517 PMAQI
27th Jul 2026428 PMAQI
27th Jul 2026509 PMAQI
27th Jul 20264810 PMAQI
27th Jul 20264811 PMAQI
28th Jul 20265012 AMAQI
28th Jul 2026491 AMAQI
28th Jul 2026462 AMAQI
28th Jul 2026483 AMAQI
28th Jul 2026474 AMAQI
29°C26/33°C
28th Jul 2026485 AMAQI
28th Jul 2026466 AMAQI
28th Jul 2026507 AMAQI
28th Jul 2026508 AMAQI
28th Jul 2026489 AMAQI
28th Jul 20264610 AMAQI
28th Jul 20264211 AMAQI
28th Jul 20264412 PMAQI
28th Jul 2026421 PMAQI
28th Jul 2026422 PMAQI
28th Jul 2026293 PMAQI
28th Jul 2026334 PMAQI
28th Jul 2026295 PMAQI
28th Jul 2026336 PMAQI
28th Jul 2026367 PMAQI
28th Jul 2026368 PMAQI
28th Jul 2026409 PMAQI
28th Jul 20263310 PMAQI
28th Jul 20262911 PMAQI
29th Jul 20263312 AMAQI
29th Jul 2026361 AMAQI
29th Jul 2026312 AMAQI
29th Jul 2026333 AMAQI
29th Jul 2026334 AMAQI
29°C26/32°C
29th Jul 2026315 AMAQI
29th Jul 2026316 AMAQI
29th Jul 2026337 AMAQI
29th Jul 2026338 AMAQI
29th Jul 2026319 AMAQI
29th Jul 20263110 AMAQI
29th Jul 20263311 AMAQI
29th Jul 20263112 PMAQI
29th Jul 2026331 PMAQI
29th Jul 2026442 PMAQI
29th Jul 2026423 PMAQI
29th Jul 2026404 PMAQI
29th Jul 2026405 PMAQI
29th Jul 2026426 PMAQI
29th Jul 2026447 PMAQI
29th Jul 2026428 PMAQI
29th Jul 2026469 PMAQI
29th Jul 20264410 PMAQI
29th Jul 20264211 PMAQI
30th Jul 20264612 AMAQI
30th Jul 2026461 AMAQI
30th Jul 2026442 AMAQI
30th Jul 2026443 AMAQI
30th Jul 2026444 AMAQI
27°C25/31°C
30th Jul 2026465 AMAQI
30th Jul 2026426 AMAQI
30th Jul 2026407 AMAQI
30th Jul 2026408 AMAQI
30th Jul 2026389 AMAQI
30th Jul 20263810 AMAQI
30th Jul 20264011 AMAQI
30th Jul 20263812 PMAQI
30th Jul 2026421 PMAQI
30th Jul 2026422 PMAQI
30th Jul 2026443 PMAQI
30th Jul 2026464 PMAQI
30th Jul 2026445 PMAQI
30th Jul 2026446 PMAQI
30th Jul 2026427 PMAQI
30th Jul 2026468 PMAQI
30th Jul 2026509 PMAQI
30th Jul 20265010 PMAQI
30th Jul 20264611 PMAQI
31st Jul 20264012 AMAQI
31st Jul 2026361 AMAQI
31st Jul 2026402 AMAQI
31st Jul 2026383 AMAQI
31st Jul 2026334 AMAQI
29°C26/33°C
31st Jul 2026335 AMAQI
31st Jul 2026316 AMAQI
31st Jul 2026317 AMAQI
31st Jul 2026368 AMAQI
31st Jul 2026339 AMAQI
31st Jul 20263110 AMAQI
31st Jul 20262911 AMAQI
31st Jul 20263112 PMAQI
31st Jul 2026331 PMAQI
31st Jul 2026382 PMAQI
31st Jul 2026363 PMAQI
31st Jul 2026384 PMAQI
31st Jul 2026425 PMAQI
31st Jul 2026336 PMAQI
31st Jul 2026367 PMAQI
31st Jul 2026338 PMAQI
31st Jul 2026389 PMAQI
31st Jul 20264010 PMAQI
31st Jul 20264611 PMAQI
1st Aug 20264612 AMAQI
1st Aug 2026681 AMAQI
1st Aug 2026652 AMAQI
1st Aug 2026683 AMAQI
1st Aug 2026544 AMAQI
28°C25/33°C
1st Aug 2026515 AMAQI
1st Aug 2026426 AMAQI
1st Aug 2026447 AMAQI
1st Aug 2026508 AMAQI
1st Aug 2026409 AMAQI
1st Aug 20263110 AMAQI
1st Aug 20264011 AMAQI
1st Aug 20264812 PMAQI
1st Aug 2026571 PMAQI
1st Aug 2026532 PMAQI
1st Aug 2026533 PMAQI
1st Aug 2026584 PMAQI
1st Aug 2026505 PMAQI
1st Aug 2026316 PMAQI
1st Aug 2026407 PMAQI
1st Aug 2026488 PMAQI
1st Aug 2026489 PMAQI
1st Aug 20264610 PMAQI
1st Aug 20265211 PMAQI
2nd Aug 20265112 AMAQI
2nd Aug 2026481 AMAQI
2nd Aug 2026502 AMAQI
2nd Aug 2026463 AMAQI
2nd Aug 2026464 AMAQI
29°C25/33°C
2nd Aug 2026465 AMAQI
2nd Aug 2026446 AMAQI
2nd Aug 2026467 AMAQI
2nd Aug 2026408 AMAQI
2nd Aug 2026409 AMAQI
2nd Aug 20264210 AMAQI
2nd Aug 20263811 AMAQI
2nd Aug 20263812 PMAQI
2nd Aug 2026421 PMAQI
2nd Aug 2026512 PMAQI
2nd Aug 2026463 PMAQI
2nd Aug 2026444 PMAQI
2nd Aug 2026515 PMAQI
2nd Aug 2026496 PMAQI
2nd Aug 2026507 PMAQI
2nd Aug 2026508 PMAQI
2nd Aug 2026519 PMAQI
2nd Aug 20265110 PMAQI
2nd Aug 20264411 PMAQI
3rd Aug 20264212 AMAQI
3rd Aug 2026361 AMAQI
3rd Aug 2026362 AMAQI
3rd Aug 2026443 AMAQI
3rd Aug 2026404 AMAQI
30°C26/34°C
3rd Aug 2026425 AMAQI
3rd Aug 2026426 AMAQI
3rd Aug 2026427 AMAQI
3rd Aug 2026428 AMAQI
3rd Aug 2026409 AMAQI
3rd Aug 20263610 AMAQI
3rd Aug 20264011 AMAQI
3rd Aug 20264412 PMAQI
3rd Aug 2026421 PMAQI
3rd Aug 2026442 PMAQI
3rd Aug 2026533 PMAQI
3rd Aug 2026534 PMAQI
3rd Aug 2026505 PMAQI
3rd Aug 2026446 PMAQI
3rd Aug 2026517 PMAQI
3rd Aug 2026448 PMAQI
3rd Aug 2026389 PMAQI
3rd Aug 20263610 PMAQI
3rd Aug 20263111 PMAQI
4th Aug 20262912 AMAQI
4th Aug 2026311 AMAQI
4th Aug 2026382 AMAQI
4th Aug 2026333 AMAQI
4th Aug 2026314 AMAQI
30°C27/34°C
4th Aug 2026335 AMAQI
4th Aug 2026336 AMAQI
4th Aug 2026297 AMAQI
4th Aug 2026318 AMAQI
4th Aug 2026299 AMAQI
4th Aug 20262710 AMAQI
4th Aug 20263111 AMAQI
4th Aug 20262912 PMAQI
4th Aug 2026361 PMAQI
4th Aug 2026292 PMAQI
4th Aug 2026273 PMAQI
4th Aug 2026274 PMAQI
4th Aug 2026255 PMAQI
4th Aug 2026256 PMAQI
4th Aug 2026257 PMAQI
4th Aug 2026278 PMAQI
4th Aug 2026259 PMAQI
4th Aug 20262510 PMAQI
4th Aug 20262511 PMAQI
5th Aug 20262712 AMAQI
5th Aug 2026251 AMAQI
5th Aug 2026252 AMAQI
5th Aug 2026253 AMAQI
5th Aug 2026254 AMAQI
29°C26/32°C
5th Aug 2026235 AMAQI
5th Aug 2026256 AMAQI
5th Aug 2026237 AMAQI
5th Aug 2026258 AMAQI
5th Aug 2026219 AMAQI
5th Aug 20262110 AMAQI
5th Aug 20262111 AMAQI
5th Aug 20262112 PMAQI
5th Aug 2026211 PMAQI
5th Aug 2026232 PMAQI
5th Aug 2026213 PMAQI
5th Aug 2026214 PMAQI
5th Aug 2026235 PMAQI
5th Aug 2026216 PMAQI
5th Aug 2026217 PMAQI
5th Aug 2026218 PMAQI
5th Aug 2026219 PMAQI
5th Aug 20262310 PMAQI
5th Aug 20262311 PMAQI
6th Aug 20262912 AMAQI
6th Aug 2026211 AMAQI
6th Aug 2026212 AMAQI
6th Aug 2026233 AMAQI
6th Aug 2026234 AMAQI
29°C26/33°C
6th Aug 2026235 AMAQI
6th Aug 2026276 AMAQI
6th Aug 2026277 AMAQI
6th Aug 2026238 AMAQI
6th Aug 2026239 AMAQI
6th Aug 20262510 AMAQI
6th Aug 20262911 AMAQI
6th Aug 20262512 PMAQI
6th Aug 2026211 PMAQI
6th Aug 2026252 PMAQI
6th Aug 2026253 PMAQI
6th Aug 2026254 PMAQI
6th Aug 2026255 PMAQI
6th Aug 2026296 PMAQI
6th Aug 2026257 PMAQI
6th Aug 2026258 PMAQI
6th Aug 2026259 PMAQI
6th Aug 20262110 PMAQI
6th Aug 20262111 PMAQI
7th Aug 20262512 AMAQI
7th Aug 2026251 AMAQI
7th Aug 2026252 AMAQI
7th Aug 2026253 AMAQI
7th Aug 2026254 AMAQI
29°C26/33°C
7th Aug 2026255 AMAQI
7th Aug 2026296 AMAQI
7th Aug 2026257 AMAQI
7th Aug 2026258 AMAQI
7th Aug 2026259 AMAQI
7th Aug 20262510 AMAQI
7th Aug 20262511 AMAQI
7th Aug 20262312 PMAQI
7th Aug 2026301 PMAQI
7th Aug 2026272 PMAQI
7th Aug 2026273 PMAQI
7th Aug 2026254 PMAQI
7th Aug 2026295 PMAQI
7th Aug 2026296 PMAQI
7th Aug 2026217 PMAQI
7th Aug 2026258 PMAQI
7th Aug 2026279 PMAQI
7th Aug 20262510 PMAQI
7th Aug 20262311 PMAQI
8th Aug 20262512 AMAQI
8th Aug 2026251 AMAQI
8th Aug 2026252 AMAQI
8th Aug 2026293 AMAQI
8th Aug 2026294 AMAQI
29°C26/32°C
8th Aug 2026295 AMAQI
8th Aug 2026256 AMAQI
8th Aug 2026257 AMAQI
8th Aug 2026258 AMAQI
8th Aug 2026259 AMAQI
8th Aug 20262110 AMAQI
8th Aug 20262111 AMAQI
8th Aug 20262312 PMAQI
8th Aug 2026211 PMAQI
8th Aug 2026212 PMAQI
8th Aug 2026233 PMAQI
8th Aug 2026254 PMAQI
8th Aug 2026215 PMAQI
8th Aug 2026216 PMAQI
8th Aug 2026217 PMAQI
8th Aug 2026258 PMAQI
8th Aug 2026299 PMAQI
8th Aug 20262110 PMAQI
8th Aug 20262511 PMAQI
9th Aug 20262512 AMAQI
9th Aug 2026211 AMAQI
9th Aug 2026212 AMAQI
9th Aug 2026253 AMAQI
9th Aug 2026234 AMAQI
29°C26/32°C
9th Aug 2026255 AMAQI
9th Aug 2026216 AMAQI
9th Aug 2026257 AMAQI
9th Aug 2026278 AMAQI
9th Aug 2026279 AMAQI
9th Aug 20262710 AMAQI
9th Aug 20262511 AMAQI
9th Aug 20262112 PMAQI
9th Aug 2026251 PMAQI
9th Aug 2026232 PMAQI
9th Aug 2026213 PMAQI
9th Aug 2026254 PMAQI
9th Aug 2026255 PMAQI
9th Aug 2026216 PMAQI
9th Aug 2026257 PMAQI
9th Aug 2026258 PMAQI
9th Aug 2026259 PMAQI
9th Aug 20262310 PMAQI
9th Aug 20262511 PMAQI
10th Aug 20262112 AMAQI
10th Aug 2026251 AMAQI
10th Aug 2026232 AMAQI
10th Aug 2026213 AMAQI
10th Aug 2026214 AMAQI
28°C26/32°C
10th Aug 2026235 AMAQI
10th Aug 2026216 AMAQI
10th Aug 2026217 AMAQI
10th Aug 2026218 AMAQI
10th Aug 2026299 AMAQI
10th Aug 20262910 AMAQI
10th Aug 20262911 AMAQI
10th Aug 20262312 PMAQI
10th Aug 2026211 PMAQI
10th Aug 2026212 PMAQI
10th Aug 2026233 PMAQI
10th Aug 2026274 PMAQI
10th Aug 2026215 PMAQI
10th Aug 2026216 PMAQI
10th Aug 2026217 PMAQI
10th Aug 2026218 PMAQI
10th Aug 2026219 PMAQI
10th Aug 20262310 PMAQI
10th Aug 20262111 PMAQI
11th Aug 20262112 AMAQI
11th Aug 2026211 AMAQI
11th Aug 2026212 AMAQI
11th Aug 2026213 AMAQI
11th Aug 2026214 AMAQI
28°C24/31°C
11th Aug 2026215 AMAQI
11th Aug 2026216 AMAQI
11th Aug 2026217 AMAQI
11th Aug 2026258 AMAQI
11th Aug 2026219 AMAQI
11th Aug 20262310 AMAQI
11th Aug 20262111 AMAQI
11th Aug 20262112 PMAQI
11th Aug 2026251 PMAQI
11th Aug 2026232 PMAQI
11th Aug 2026253 PMAQI
11th Aug 2026254 PMAQI
11th Aug 2026215 PMAQI
11th Aug 2026256 PMAQI
11th Aug 2026257 PMAQI
11th Aug 2026258 PMAQI
11th Aug 2026259 PMAQI
11th Aug 20262510 PMAQI
11th Aug 20262111 PMAQI
12th Aug 20262112 AMAQI
12th Aug 2026251 AMAQI
12th Aug 2026252 AMAQI
12th Aug 2026213 AMAQI
12th Aug 2026214 AMAQI
25°C20/31°C
12th Aug 2026215 AMAQI
12th Aug 2026216 AMAQI
12th Aug 2026217 AMAQI
12th Aug 2026218 AMAQI
12th Aug 2026259 AMAQI
12th Aug 20262510 AMAQI
12th Aug 20262111 AMAQI
12th Aug 20262112 PMAQI
12th Aug 2026271 PMAQI
12th Aug 2026252 PMAQI
12th Aug 2026253 PMAQI
12th Aug 2026294 PMAQI
12th Aug 2026295 PMAQI
12th Aug 2026236 PMAQI
12th Aug 2026257 PMAQI
12th Aug 2026258 PMAQI
12th Aug 2026239 PMAQI
12th Aug 20262110 PMAQI
12th Aug 20262111 PMAQI
13th Aug 20262112 AMAQI
13th Aug 2026231 AMAQI
13th Aug 2026232 AMAQI
13th Aug 2026213 AMAQI
13th Aug 2026234 AMAQI
25°C22/28°C
13th Aug 2026235 AMAQI
13th Aug 2026216 AMAQI
13th Aug 2026237 AMAQI
13th Aug 2026218 AMAQI
13th Aug 2026219 AMAQI
13th Aug 20262510 AMAQI
13th Aug 20262111 AMAQI
13th Aug 20262512 PMAQI
13th Aug 2026211 PMAQI
13th Aug 2026252 PMAQI
13th Aug 2026213 PMAQI
13th Aug 2026214 PMAQI
13th Aug 2026235 PMAQI
13th Aug 2026236 PMAQI
13th Aug 2026297 PMAQI
13th Aug 2026318 PMAQI
13th Aug 2026369 PMAQI
13th Aug 20265210 PMAQI
13th Aug 20266011 PMAQI
14th Aug 20265812 AMAQI
14th Aug 2026561 AMAQI
14th Aug 2026542 AMAQI
14th Aug 2026553 AMAQI
14th Aug 2026534 AMAQI
26°C24/30°C
14th Aug 2026535 AMAQI
14th Aug 2026566 AMAQI
14th Aug 2026567 AMAQI
14th Aug 2026568 AMAQI
14th Aug 2026539 AMAQI
14th Aug 20265710 AMAQI
14th Aug 20265811 AMAQI
14th Aug 20265712 PMAQI
14th Aug 2026621 PMAQI
14th Aug 2026662 PMAQI
14th Aug 2026663 PMAQI
14th Aug 2026574 PMAQI
14th Aug 2026715 PMAQI
14th Aug 2026576 PMAQI
14th Aug 2026597 PMAQI
14th Aug 2026568 PMAQI
14th Aug 2026679 PMAQI
14th Aug 20265610 PMAQI
14th Aug 20265811 PMAQI
15th Aug 20266012 AMAQI
15th Aug 2026581 AMAQI
15th Aug 2026532 AMAQI
15th Aug 2026543 AMAQI
15th Aug 2026604 AMAQI
26°C23/29°C
15th Aug 2026585 AMAQI
15th Aug 2026596 AMAQI
15th Aug 2026597 AMAQI
15th Aug 2026558 AMAQI
15th Aug 2026529 AMAQI
15th Aug 20265110 AMAQI
15th Aug 20265111 AMAQI
15th Aug 20265512 PMAQI
15th Aug 2026581 PMAQI
15th Aug 2026582 PMAQI
15th Aug 2026663 PMAQI
15th Aug 2026604 PMAQI
15th Aug 2026525 PMAQI
15th Aug 2026466 PMAQI
15th Aug 2026387 PMAQI
15th Aug 2026278 PMAQI
15th Aug 2026299 PMAQI
15th Aug 20262710 PMAQI
15th Aug 20262111 PMAQI
16th Aug 20262112 AMAQI
16th Aug 2026251 AMAQI
16th Aug 2026122 AMAQI
16th Aug 202683 AMAQI
16th Aug 202684 AMAQI
27°C23/30°C
16th Aug 202685 AMAQI
5 AM16th Aug 202686 AMAQI
16th Aug 202677 AMAQI
16th Aug 202698 AMAQI
16th Aug 202699 AMAQI
16th Aug 2026810 AMAQI
16th Aug 2026911 AMAQI
16th Aug 2026712 PMAQI
12 PM16th Aug 202681 PMAQI
16th Aug 2026112 PMAQI
16th Aug 2026123 PMAQI
16th Aug 202694 PMAQI
16th Aug 2026145 PMAQI
16th Aug 202696 PMAQI
16th Aug 2026117 PMAQI
7 PM16th Aug 202688 PMAQI
16th Aug 202679 PMAQI
16th Aug 20261210 PMAQI
16th Aug 20261211 PMAQI
12 AM
4 AM
27°C25/29°C
Day time
Avg. Highest Time
2 PM - 5 PM
45AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
9 AM - 10 AM
36AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 PM to 5 PM (Avg. 45), while the lowest AQI was between 9 AM to 10 AM (Avg. 36).
Night time
Avg. Highest Time
8 PM - 11 PM
41AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
12 AM - 4 AM
40AQI
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. 41), while the lowest AQI was between 12 AM to 4 AM (Avg. 40).
2026 Days Vs Air Quality
Chayamachi Hayaoki, Hayashima, Okayama, Japan
2026
72%
164
28%
64
Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)
Good
164 DaysModerate
64 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 72%
Health Risk Level:
Low
In 2026, 72% of 228 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
Chayamachi Hayaoki, Hayashima, 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
27AQI (US)
27AQI (US)
2nd January 2026
23AQI (US)
23AQI (US)
3rd January 2026
24AQI (US)
24AQI (US)
4th January 2026
44AQI (US)
44AQI (US)
5th January 2026
51AQI (US)
51AQI (US)
6th January 2026
28AQI (US)
28AQI (US)
7th January 2026
50AQI (US)
50AQI (US)
8th January 2026
36AQI (US)
36AQI (US)
9th January 2026
33AQI (US)
33AQI (US)
10th January 2026
52AQI (US)
52AQI (US)
11th January 2026
33AQI (US)
33AQI (US)
12th January 2026
35AQI (US)
35AQI (US)
13th January 2026
45AQI (US)
45AQI (US)
14th January 2026
30AQI (US)
30AQI (US)
15th January 2026
51AQI (US)
51AQI (US)
16th January 2026
73AQI (US)
73AQI (US)
17th January 2026
90AQI (US)
90AQI (US)
18th January 2026
60AQI (US)
60AQI (US)
19th January 2026
58AQI (US)
58AQI (US)
20th January 2026
32AQI (US)
32AQI (US)
21st January 2026
25AQI (US)
25AQI (US)
22nd January 2026
27AQI (US)
27AQI (US)
23rd January 2026
40AQI (US)
40AQI (US)
24th January 2026
58AQI (US)
58AQI (US)
25th January 2026
27AQI (US)
27AQI (US)
26th January 2026
28AQI (US)
28AQI (US)
27th January 2026
45AQI (US)
45AQI (US)
28th January 2026
35AQI (US)
35AQI (US)
29th January 2026
25AQI (US)
25AQI (US)
30th January 2026
40AQI (US)
40AQI (US)
31st January 2026
39AQI (US)
39AQI (US)
1st February 2026
47AQI (US)
47AQI (US)
2nd February 2026
47AQI (US)
47AQI (US)
3rd February 2026
27AQI (US)
27AQI (US)
4th February 2026
53AQI (US)
53AQI (US)
5th February 2026
57AQI (US)
57AQI (US)
6th February 2026
54AQI (US)
54AQI (US)
7th February 2026
16AQI (US)
16AQI (US)
8th February 2026
14AQI (US)
14AQI (US)
9th February 2026
39AQI (US)
39AQI (US)
10th February 2026
48AQI (US)
48AQI (US)
11th February 2026
55AQI (US)
55AQI (US)
12th February 2026
53AQI (US)
53AQI (US)
13th February 2026
59AQI (US)
59AQI (US)
14th February 2026
72AQI (US)
72AQI (US)
15th February 2026
83AQI (US)
83AQI (US)
16th February 2026
63AQI (US)
63AQI (US)
17th February 2026
30AQI (US)
30AQI (US)
18th February 2026
42AQI (US)
42AQI (US)
19th February 2026
35AQI (US)
35AQI (US)
20th February 2026
44AQI (US)
44AQI (US)
21st February 2026
64AQI (US)
64AQI (US)
22nd February 2026
56AQI (US)
56AQI (US)
23rd February 2026
31AQI (US)
31AQI (US)
24th February 2026
43AQI (US)
43AQI (US)
25th February 2026
16AQI (US)
16AQI (US)
26th February 2026
14AQI (US)
14AQI (US)
27th February 2026
51AQI (US)
51AQI (US)
28th February 2026
22AQI (US)
22AQI (US)
1st March 2026
36AQI (US)
36AQI (US)
2nd March 2026
59AQI (US)
59AQI (US)
3rd March 2026
39AQI (US)
39AQI (US)
4th March 2026
48AQI (US)
48AQI (US)
5th March 2026
50AQI (US)
50AQI (US)
6th March 2026
56AQI (US)
56AQI (US)
7th March 2026
40AQI (US)
40AQI (US)
8th March 2026
18AQI (US)
18AQI (US)
9th March 2026
40AQI (US)
40AQI (US)
10th March 2026
58AQI (US)
58AQI (US)
11th March 2026
56AQI (US)
56AQI (US)
12th March 2026
59AQI (US)
59AQI (US)
13th March 2026
36AQI (US)
36AQI (US)
14th March 2026
43AQI (US)
43AQI (US)
15th March 2026
57AQI (US)
57AQI (US)
16th March 2026
27AQI (US)
27AQI (US)
17th March 2026
35AQI (US)
35AQI (US)
18th March 2026
53AQI (US)
53AQI (US)
19th March 2026
57AQI (US)
57AQI (US)
20th March 2026
67AQI (US)
67AQI (US)
21st March 2026
55AQI (US)
55AQI (US)
22nd March 2026
62AQI (US)
62AQI (US)
23rd March 2026
61AQI (US)
61AQI (US)
24th March 2026
53AQI (US)
53AQI (US)
25th March 2026
46AQI (US)
46AQI (US)
26th March 2026
17AQI (US)
17AQI (US)
27th March 2026
43AQI (US)
43AQI (US)
28th March 2026
76AQI (US)
76AQI (US)
29th March 2026
84AQI (US)
84AQI (US)
30th March 2026
67AQI (US)
67AQI (US)
31st March 2026
16AQI (US)
16AQI (US)
1st April 2026
14AQI (US)
14AQI (US)
2nd April 2026
54AQI (US)
54AQI (US)
3rd April 2026
57AQI (US)
57AQI (US)
4th April 2026
35AQI (US)
35AQI (US)
5th April 2026
26AQI (US)
26AQI (US)
6th April 2026
68AQI (US)
68AQI (US)
7th April 2026
35AQI (US)
35AQI (US)
8th April 2026
40AQI (US)
40AQI (US)
9th April 2026
32AQI (US)
32AQI (US)
10th April 2026
47AQI (US)
47AQI (US)
11th April 2026
51AQI (US)
51AQI (US)
12th April 2026
40AQI (US)
40AQI (US)
13th April 2026
41AQI (US)
41AQI (US)
14th April 2026
40AQI (US)
40AQI (US)
15th April 2026
33AQI (US)
33AQI (US)
16th April 2026
34AQI (US)
34AQI (US)
17th April 2026
35AQI (US)
35AQI (US)
18th April 2026
31AQI (US)
31AQI (US)
19th April 2026
32AQI (US)
32AQI (US)
20th April 2026
30AQI (US)
30AQI (US)
21st April 2026
45AQI (US)
45AQI (US)
22nd April 2026
41AQI (US)
41AQI (US)
23rd April 2026
30AQI (US)
30AQI (US)
24th April 2026
26AQI (US)
26AQI (US)
25th April 2026
46AQI (US)
46AQI (US)
26th April 2026
50AQI (US)
50AQI (US)
27th April 2026
51AQI (US)
51AQI (US)
28th April 2026
58AQI (US)
58AQI (US)
29th April 2026
37AQI (US)
37AQI (US)
30th April 2026
24AQI (US)
24AQI (US)
1st May 2026
47AQI (US)
47AQI (US)
2nd May 2026
59AQI (US)
59AQI (US)
3rd May 2026
53AQI (US)
53AQI (US)
4th May 2026
23AQI (US)
23AQI (US)
5th May 2026
22AQI (US)
22AQI (US)
6th May 2026
29AQI (US)
29AQI (US)
7th May 2026
32AQI (US)
32AQI (US)
8th May 2026
49AQI (US)
49AQI (US)
9th May 2026
36AQI (US)
36AQI (US)
10th May 2026
32AQI (US)
32AQI (US)
11th May 2026
35AQI (US)
35AQI (US)
12th May 2026
40AQI (US)
40AQI (US)
13th May 2026
39AQI (US)
39AQI (US)
14th May 2026
40AQI (US)
40AQI (US)
15th May 2026
34AQI (US)
34AQI (US)
16th May 2026
78AQI (US)
78AQI (US)
17th May 2026
64AQI (US)
64AQI (US)
18th May 2026
54AQI (US)
54AQI (US)
19th May 2026
47AQI (US)
47AQI (US)
20th May 2026
61AQI (US)
61AQI (US)
21st May 2026
64AQI (US)
64AQI (US)
22nd May 2026
68AQI (US)
68AQI (US)
23rd May 2026
61AQI (US)
61AQI (US)
24th May 2026
63AQI (US)
63AQI (US)
25th May 2026
55AQI (US)
55AQI (US)
26th May 2026
38AQI (US)
38AQI (US)
27th May 2026
13AQI (US)
13AQI (US)
28th May 2026
34AQI (US)
34AQI (US)
29th May 2026
34AQI (US)
34AQI (US)
30th May 2026
36AQI (US)
36AQI (US)
31st May 2026
62AQI (US)
62AQI (US)
1st June 2026
52AQI (US)
52AQI (US)
2nd June 2026
16AQI (US)
16AQI (US)
3rd June 2026
13AQI (US)
13AQI (US)
4th June 2026
25AQI (US)
25AQI (US)
5th June 2026
22AQI (US)
22AQI (US)
6th June 2026
24AQI (US)
24AQI (US)
7th June 2026
21AQI (US)
21AQI (US)
8th June 2026
20AQI (US)
20AQI (US)
9th June 2026
28AQI (US)
28AQI (US)
10th June 2026
23AQI (US)
23AQI (US)
11th June 2026
39AQI (US)
39AQI (US)
12th June 2026
44AQI (US)
44AQI (US)
13th June 2026
29AQI (US)
29AQI (US)
14th June 2026
24AQI (US)
24AQI (US)
15th June 2026
26AQI (US)
26AQI (US)
16th June 2026
26AQI (US)
26AQI (US)
17th June 2026
23AQI (US)
23AQI (US)
18th June 2026
26AQI (US)
26AQI (US)
19th June 2026
26AQI (US)
26AQI (US)
20th June 2026
36AQI (US)
36AQI (US)
21st June 2026
24AQI (US)
24AQI (US)
22nd June 2026
14AQI (US)
14AQI (US)
23rd June 2026
22AQI (US)
22AQI (US)
24th June 2026
20AQI (US)
20AQI (US)
25th June 2026
27AQI (US)
27AQI (US)
26th June 2026
29AQI (US)
29AQI (US)
27th June 2026
26AQI (US)
26AQI (US)
28th June 2026
27AQI (US)
27AQI (US)
29th June 2026
45AQI (US)
45AQI (US)
30th June 2026
45AQI (US)
45AQI (US)
1st July 2026
58AQI (US)
58AQI (US)
2nd July 2026
19AQI (US)
19AQI (US)
3rd July 2026
25AQI (US)
25AQI (US)
4th July 2026
30AQI (US)
30AQI (US)
5th July 2026
23AQI (US)
23AQI (US)
6th July 2026
22AQI (US)
22AQI (US)
7th July 2026
26AQI (US)
26AQI (US)
8th July 2026
26AQI (US)
26AQI (US)
9th July 2026
26AQI (US)
26AQI (US)
10th July 2026
27AQI (US)
27AQI (US)
11th July 2026
29AQI (US)
29AQI (US)
12th July 2026
29AQI (US)
29AQI (US)
13th July 2026
32AQI (US)
32AQI (US)
14th July 2026
35AQI (US)
35AQI (US)
15th July 2026
28AQI (US)
28AQI (US)
16th July 2026
33AQI (US)
33AQI (US)
17th July 2026
54AQI (US)
54AQI (US)
18th July 2026
60AQI (US)
60AQI (US)
19th July 2026
53AQI (US)
53AQI (US)
20th July 2026
59AQI (US)
59AQI (US)
21st July 2026
74AQI (US)
74AQI (US)
22nd July 2026
83AQI (US)
83AQI (US)
23rd July 2026
62AQI (US)
62AQI (US)
24th July 2026
45AQI (US)
45AQI (US)
25th July 2026
44AQI (US)
44AQI (US)
26th July 2026
40AQI (US)
40AQI (US)
27th July 2026
39AQI (US)
39AQI (US)
28th July 2026
42AQI (US)
42AQI (US)
29th July 2026
37AQI (US)
37AQI (US)
30th July 2026
43AQI (US)
43AQI (US)
31st July 2026
36AQI (US)
36AQI (US)
1st August 2026
49AQI (US)
49AQI (US)
2nd August 2026
46AQI (US)
46AQI (US)
3rd August 2026
42AQI (US)
42AQI (US)
4th August 2026
29AQI (US)
29AQI (US)
5th August 2026
23AQI (US)
23AQI (US)
6th August 2026
24AQI (US)
24AQI (US)
7th August 2026
26AQI (US)
26AQI (US)
8th August 2026
24AQI (US)
24AQI (US)
9th August 2026
24AQI (US)
24AQI (US)
10th August 2026
23AQI (US)
23AQI (US)
11th August 2026
23AQI (US)
23AQI (US)
12th August 2026
23AQI (US)
23AQI (US)
13th August 2026
26AQI (US)
26AQI (US)
14th August 2026
58AQI (US)
58AQI (US)
15th August 2026
50AQI (US)
50AQI (US)
16th August 2026
10AQI (US)
10AQI (US)
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
41AQI (US)
44AQI (US)
49AQI (US)
39AQI (US)
45AQI (US)
27AQI (US)
40AQI (US)
31AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202640AQI (US)
23
8
16
12
15
16
24
6
19
12
29
1
23
8
15
1
164
64
Highest AQI (US) recorded in
March49AQI (US)
Lowest AQI (US) recorded in
June27AQI (US)
202550AQI (US)
25
6
23
5
16
14
1
9
21
19
12
10
20
18
12
1
22
9
30
10
21
8
21
1
14
17
204
158
3
Highest AQI (US) recorded in
November61AQI (US)
Lowest AQI (US) recorded in
September33AQI (US)
202443AQI (US)
15
16
24
5
24
7
13
16
1
19
11
18
12
28
3
27
4
27
3
29
2
21
9
30
1
275
89
1
Highest AQI (US) recorded in
April56AQI (US)
Lowest AQI (US) recorded in
September36AQI (US)
202345AQI (US)
21
8
1
17
11
14
17
15
15
19
12
16
14
23
8
31
26
4
20
11
13
14
2
18
12
233
126
3
Highest AQI (US) recorded in
November55AQI (US)
Lowest AQI (US) recorded in
August28AQI (US)
202245AQI (US)
22
8
15
6
16
15
16
14
14
17
22
8
19
5
2
27
2
21
10
19
10
1
26
5
219
100
1
Highest AQI (US) recorded in
May53AQI (US)
Lowest AQI (US) recorded in
August23AQI (US)
202143AQI (US)
22
9
17
11
16
13
16
5
16
15
21
9
27
4
26
5
26
4
20
11
17
12
1
23
8
247
106
1
Highest AQI (US) recorded in
November54AQI (US)
Lowest AQI (US) recorded in
August33AQI (US)
202049AQI (US)
5
8
13
8
10
7
1
15
14
1
24
7
7
19
5
15
4
20
11
19
10
1
22
9
150
97
8
Highest AQI (US) recorded in
August72AQI (US)
Lowest AQI (US) recorded in
September37AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
50AQI (US)Least Polluted Year Recorded
2026(Avg.)
40AQI (US)Chayamachi Hayaoki's annual 2026 AQI (US) (40) shows an average percentage change of -12.4% (improved AQI (US)) compared to previous years: 2020 (49), 2021 (43), 2022 (45), 2023 (45), 2024 (43), 2025 (50).
