Horin, 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
Horin, Hayashima, Okayama, Japan
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
21st Aug 2023
97AQILowest AQI recorded on
29th Aug 2024
14AQISame Day Analysis (14th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 60 of Moderate air quality on the same day.
Day & Night AQI Trend: 13th Aug - 14th Aug 2026
Horin, Hayashima, Okayama, Japan
AQI
Day
Night
.
5 AM13th Aug 2026
7 PM
4 AM14th Aug 2026
Day time
Avg. Highest Time
4PM13th Aug
29AQI
Avg. Lowest Time
12PM13th Aug
21AQI
Night time
Avg. Highest Time
11PM13th Aug
65AQI
Avg. Lowest Time
7PM13th Aug
27AQI
In the last 24 hours,
Horin's AQI reached its highest point of 65 at 11 PM during the Night, while the lowest point, 21, was recorded at 12 PM during the Day between 13th Aug and 14th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Horin, Hayashima, Okayama, Japan
JulAug
16th - 17th17th - 18th18th - 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
Day
Night
16th Jul 2026215 AMAQI
16th Jul 2026256 AMAQI
16th Jul 2026237 AMAQI
16th Jul 2026258 AMAQI
16th Jul 2026259 AMAQI
16th Jul 20263310 AMAQI
16th Jul 20262711 AMAQI
16th Jul 20263312 PMAQI
16th Jul 2026361 PMAQI
16th Jul 2026402 PMAQI
16th Jul 2026463 PMAQI
16th Jul 2026244 PMAQI
16th Jul 2026265 PMAQI
16th Jul 2026286 PMAQI
16th Jul 2026277 PMAQI
16th Jul 2026318 PMAQI
16th Jul 2026289 PMAQI
16th Jul 20263010 PMAQI
16th Jul 20263111 PMAQI
17th Jul 20262812 AMAQI
17th Jul 2026311 AMAQI
17th Jul 2026322 AMAQI
17th Jul 2026303 AMAQI
17th Jul 2026404 AMAQI
28°C25/31°C
17th Jul 2026505 AMAQI
17th Jul 2026486 AMAQI
17th Jul 2026497 AMAQI
17th Jul 2026508 AMAQI
17th Jul 2026499 AMAQI
17th Jul 20264810 AMAQI
17th Jul 20265111 AMAQI
17th Jul 20265012 PMAQI
17th Jul 2026401 PMAQI
17th Jul 2026252 PMAQI
17th Jul 2026693 PMAQI
17th Jul 2026634 PMAQI
17th Jul 2026655 PMAQI
17th Jul 2026676 PMAQI
17th Jul 2026647 PMAQI
17th Jul 2026678 PMAQI
17th Jul 2026609 PMAQI
17th Jul 20266210 PMAQI
17th Jul 20266211 PMAQI
18th Jul 20265912 AMAQI
18th Jul 2026551 AMAQI
18th Jul 2026512 AMAQI
18th Jul 2026543 AMAQI
18th Jul 2026524 AMAQI
28°C25/31°C
18th Jul 2026555 AMAQI
18th Jul 2026516 AMAQI
18th Jul 2026567 AMAQI
18th Jul 2026568 AMAQI
18th Jul 2026589 AMAQI
18th Jul 20265610 AMAQI
18th Jul 20265911 AMAQI
18th Jul 20265612 PMAQI
18th Jul 2026561 PMAQI
18th Jul 2026582 PMAQI
18th Jul 2026593 PMAQI
18th Jul 2026664 PMAQI
18th Jul 2026695 PMAQI
18th Jul 2026686 PMAQI
18th Jul 2026657 PMAQI
18th Jul 2026628 PMAQI
18th Jul 2026659 PMAQI
18th Jul 20266010 PMAQI
18th Jul 20266011 PMAQI
19th Jul 20266012 AMAQI
19th Jul 2026571 AMAQI
19th Jul 2026562 AMAQI
19th Jul 2026573 AMAQI
19th Jul 2026574 AMAQI
29°C26/32°C
19th Jul 2026565 AMAQI
19th Jul 2026556 AMAQI
19th Jul 2026587 AMAQI
19th Jul 2026558 AMAQI
19th Jul 2026539 AMAQI
19th Jul 20265010 AMAQI
19th Jul 20264811 AMAQI
19th Jul 20265512 PMAQI
19th Jul 2026551 PMAQI
19th Jul 2026542 PMAQI
19th Jul 2026513 PMAQI
19th Jul 2026534 PMAQI
19th Jul 2026465 PMAQI
19th Jul 2026466 PMAQI
19th Jul 2026487 PMAQI
19th Jul 2026468 PMAQI
19th Jul 2026489 PMAQI
19th Jul 20265110 PMAQI
19th Jul 20264911 PMAQI
20th Jul 20264812 AMAQI
20th Jul 2026481 AMAQI
20th Jul 2026512 AMAQI
20th Jul 2026463 AMAQI
20th Jul 2026504 AMAQI
29°C26/33°C
20th Jul 2026485 AMAQI
20th Jul 2026526 AMAQI
20th Jul 2026487 AMAQI
20th Jul 2026468 AMAQI
20th Jul 2026469 AMAQI
20th Jul 20265010 AMAQI
20th Jul 20265411 AMAQI
20th Jul 20265712 PMAQI
20th Jul 2026581 PMAQI
20th Jul 2026602 PMAQI
20th Jul 2026643 PMAQI
20th Jul 2026664 PMAQI
20th Jul 2026625 PMAQI
20th Jul 2026666 PMAQI
20th Jul 2026657 PMAQI
20th Jul 2026628 PMAQI
20th Jul 2026649 PMAQI
20th Jul 20266610 PMAQI
20th Jul 20266511 PMAQI
21st Jul 20266512 AMAQI
21st Jul 2026691 AMAQI
21st Jul 2026662 AMAQI
21st Jul 2026673 AMAQI
21st Jul 2026684 AMAQI
29°C26/31°C
21st Jul 2026645 AMAQI
21st Jul 2026606 AMAQI
21st Jul 2026637 AMAQI
21st Jul 2026638 AMAQI
21st Jul 2026659 AMAQI
21st Jul 20266410 AMAQI
21st Jul 20266211 AMAQI
21st Jul 2026721 PMAQI
21st Jul 2026802 PMAQI
21st Jul 2026833 PMAQI
21st Jul 2026834 PMAQI
21st Jul 2026845 PMAQI
21st Jul 2026836 PMAQI
21st Jul 20261047 PMAQI
21st Jul 2026768 PMAQI
21st Jul 2026739 PMAQI
21st Jul 20266810 PMAQI
21st Jul 20266511 PMAQI
22nd Jul 20266512 AMAQI
22nd Jul 2026621 AMAQI
22nd Jul 2026632 AMAQI
22nd Jul 2026603 AMAQI
22nd Jul 2026604 AMAQI
29°C26/32°C
22nd Jul 2026605 AMAQI
22nd Jul 2026636 AMAQI
22nd Jul 2026647 AMAQI
22nd Jul 2026688 AMAQI
22nd Jul 2026629 AMAQI
22nd Jul 20266810 AMAQI
22nd Jul 20267111 AMAQI
22nd Jul 20267812 PMAQI
22nd Jul 2026821 PMAQI
22nd Jul 2026882 PMAQI
22nd Jul 2026943 PMAQI
22nd Jul 2026984 PMAQI
22nd Jul 20261055 PMAQI
22nd Jul 20261116 PMAQI
22nd Jul 2026907 PMAQI
22nd Jul 2026928 PMAQI
22nd Jul 2026849 PMAQI
22nd Jul 20266910 PMAQI
22nd Jul 20264811 PMAQI
23rd Jul 20264412 AMAQI
23rd Jul 2026441 AMAQI
23rd Jul 2026532 AMAQI
23rd Jul 2026663 AMAQI
23rd Jul 2026644 AMAQI
29°C26/32°C
23rd Jul 2026625 AMAQI
23rd Jul 2026606 AMAQI
23rd Jul 2026547 AMAQI
23rd Jul 2026488 AMAQI
23rd Jul 2026489 AMAQI
23rd Jul 20265210 AMAQI
23rd Jul 20264611 AMAQI
23rd Jul 20263812 PMAQI
23rd Jul 2026481 PMAQI
23rd Jul 2026562 PMAQI
23rd Jul 2026533 PMAQI
23rd Jul 2026534 PMAQI
23rd Jul 2026645 PMAQI
23rd Jul 2026596 PMAQI
23rd Jul 2026577 PMAQI
23rd Jul 2026578 PMAQI
23rd Jul 2026559 PMAQI
23rd Jul 20266010 PMAQI
23rd Jul 20266011 PMAQI
24th Jul 20265112 AMAQI
24th Jul 2026381 AMAQI
24th Jul 2026332 AMAQI
24th Jul 2026273 AMAQI
24th Jul 2026314 AMAQI
29°C26/33°C
24th Jul 2026315 AMAQI
24th Jul 2026336 AMAQI
24th Jul 2026317 AMAQI
24th Jul 2026258 AMAQI
24th Jul 2026259 AMAQI
24th Jul 20262510 AMAQI
24th Jul 20262511 AMAQI
24th Jul 20264212 PMAQI
24th Jul 2026531 PMAQI
24th Jul 2026542 PMAQI
24th Jul 2026563 PMAQI
24th Jul 2026534 PMAQI
24th Jul 2026485 PMAQI
24th Jul 2026556 PMAQI
24th Jul 2026487 PMAQI
24th Jul 2026518 PMAQI
24th Jul 2026489 PMAQI
24th Jul 20264410 PMAQI
24th Jul 20264611 PMAQI
25th Jul 20264612 AMAQI
25th Jul 2026401 AMAQI
25th Jul 2026382 AMAQI
25th Jul 2026383 AMAQI
25th Jul 2026384 AMAQI
30°C26/33°C
25th Jul 2026385 AMAQI
25th Jul 2026366 AMAQI
25th Jul 2026337 AMAQI
25th Jul 2026368 AMAQI
25th Jul 2026339 AMAQI
25th Jul 20263810 AMAQI
25th Jul 20264411 AMAQI
25th Jul 20264812 PMAQI
25th Jul 2026591 PMAQI
25th Jul 2026592 PMAQI
25th Jul 2026553 PMAQI
25th Jul 2026554 PMAQI
25th Jul 2026535 PMAQI
25th Jul 2026486 PMAQI
25th Jul 2026487 PMAQI
25th Jul 2026508 PMAQI
25th Jul 2026519 PMAQI
25th Jul 20264810 PMAQI
25th Jul 20263811 PMAQI
26th Jul 20263812 AMAQI
26th Jul 2026331 AMAQI
26th Jul 2026312 AMAQI
26th Jul 2026313 AMAQI
26th Jul 2026364 AMAQI
29°C26/33°C
26th Jul 2026335 AMAQI
26th Jul 2026296 AMAQI
26th Jul 2026297 AMAQI
26th Jul 2026298 AMAQI
26th Jul 2026259 AMAQI
26th Jul 20262710 AMAQI
26th Jul 20262911 AMAQI
26th Jul 20263612 PMAQI
26th Jul 2026401 PMAQI
26th Jul 2026442 PMAQI
26th Jul 2026573 PMAQI
26th Jul 2026594 PMAQI
26th Jul 2026585 PMAQI
26th Jul 2026516 PMAQI
26th Jul 2026527 PMAQI
26th Jul 2026428 PMAQI
26th Jul 2026299 PMAQI
26th Jul 20263110 PMAQI
26th Jul 20262911 PMAQI
27th Jul 20263112 AMAQI
27th Jul 2026331 AMAQI
27th Jul 2026332 AMAQI
27th Jul 2026333 AMAQI
27th Jul 2026314 AMAQI
29°C26/33°C
27th Jul 2026315 AMAQI
27th Jul 2026296 AMAQI
27th Jul 2026317 AMAQI
27th Jul 2026338 AMAQI
27th Jul 2026319 AMAQI
27th Jul 20263110 AMAQI
27th Jul 20263311 AMAQI
27th Jul 20262912 PMAQI
27th Jul 2026441 PMAQI
27th Jul 2026332 PMAQI
27th Jul 2026293 PMAQI
27th Jul 2026384 PMAQI
27th Jul 2026505 PMAQI
27th Jul 2026576 PMAQI
27th Jul 2026427 PMAQI
27th Jul 2026538 PMAQI
27th Jul 2026499 PMAQI
27th Jul 20265010 PMAQI
27th Jul 20264211 PMAQI
28th Jul 20264612 AMAQI
28th Jul 2026511 AMAQI
28th Jul 2026462 AMAQI
28th Jul 2026503 AMAQI
28th Jul 2026484 AMAQI
29°C26/33°C
28th Jul 2026485 AMAQI
28th Jul 2026486 AMAQI
28th Jul 2026467 AMAQI
28th Jul 2026508 AMAQI
28th Jul 2026449 AMAQI
28th Jul 20264210 AMAQI
28th Jul 20264411 AMAQI
28th Jul 20264412 PMAQI
28th Jul 2026361 PMAQI
28th Jul 2026332 PMAQI
28th Jul 2026273 PMAQI
28th Jul 2026294 PMAQI
28th Jul 2026295 PMAQI
28th Jul 2026296 PMAQI
28th Jul 2026337 PMAQI
28th Jul 2026318 PMAQI
28th Jul 2026369 PMAQI
28th Jul 20263310 PMAQI
28th Jul 20263311 PMAQI
29th Jul 20263312 AMAQI
29th Jul 2026311 AMAQI
29th Jul 2026382 AMAQI
29th Jul 2026363 AMAQI
29th Jul 2026334 AMAQI
29°C26/32°C
29th Jul 2026335 AMAQI
29th Jul 2026366 AMAQI
29th Jul 2026387 AMAQI
29th Jul 2026338 AMAQI
29th Jul 2026339 AMAQI
29th Jul 20262910 AMAQI
29th Jul 20263311 AMAQI
29th Jul 20263312 PMAQI
29th Jul 2026381 PMAQI
29th Jul 2026382 PMAQI
29th Jul 2026363 PMAQI
29th Jul 2026364 PMAQI
29th Jul 2026365 PMAQI
29th Jul 2026366 PMAQI
29th Jul 2026387 PMAQI
29th Jul 2026408 PMAQI
29th Jul 2026409 PMAQI
29th Jul 20263810 PMAQI
29th Jul 20263811 PMAQI
30th Jul 20263812 AMAQI
30th Jul 2026381 AMAQI
30th Jul 2026382 AMAQI
30th Jul 2026383 AMAQI
30th Jul 2026364 AMAQI
27°C25/31°C
30th Jul 2026405 AMAQI
30th Jul 2026366 AMAQI
30th Jul 2026367 AMAQI
30th Jul 2026368 AMAQI
30th Jul 2026389 AMAQI
30th Jul 20263310 AMAQI
30th Jul 20263111 AMAQI
30th Jul 20263112 PMAQI
30th Jul 2026361 PMAQI
30th Jul 2026332 PMAQI
30th Jul 2026333 PMAQI
30th Jul 2026364 PMAQI
30th Jul 2026365 PMAQI
30th Jul 2026336 PMAQI
30th Jul 2026337 PMAQI
30th Jul 2026368 PMAQI
30th Jul 2026369 PMAQI
30th Jul 20263310 PMAQI
30th Jul 20263311 PMAQI
31st Jul 20263312 AMAQI
31st Jul 2026311 AMAQI
31st Jul 2026292 AMAQI
31st Jul 2026293 AMAQI
31st Jul 2026314 AMAQI
29°C26/33°C
31st Jul 2026295 AMAQI
31st Jul 2026276 AMAQI
31st Jul 2026277 AMAQI
31st Jul 2026298 AMAQI
31st Jul 2026299 AMAQI
31st Jul 20262910 AMAQI
31st Jul 20262511 AMAQI
31st Jul 20262712 PMAQI
31st Jul 2026311 PMAQI
31st Jul 2026292 PMAQI
31st Jul 2026333 PMAQI
31st Jul 2026334 PMAQI
31st Jul 2026295 PMAQI
31st Jul 2026296 PMAQI
31st Jul 2026317 PMAQI
31st Jul 2026298 PMAQI
31st Jul 2026299 PMAQI
31st Jul 20263310 PMAQI
31st Jul 20263311 PMAQI
1st Aug 20263812 AMAQI
1st Aug 2026621 AMAQI
1st Aug 2026582 AMAQI
1st Aug 2026633 AMAQI
1st Aug 2026544 AMAQI
28°C25/33°C
1st Aug 2026485 AMAQI
1st Aug 2026446 AMAQI
1st Aug 2026407 AMAQI
1st Aug 2026528 AMAQI
1st Aug 2026409 AMAQI
1st Aug 20262910 AMAQI
1st Aug 20264011 AMAQI
1st Aug 20264812 PMAQI
1st Aug 2026511 PMAQI
1st Aug 2026512 PMAQI
1st Aug 2026503 PMAQI
1st Aug 2026544 PMAQI
1st Aug 2026445 PMAQI
1st Aug 2026406 PMAQI
1st Aug 2026507 PMAQI
1st Aug 2026448 PMAQI
1st Aug 2026409 PMAQI
1st Aug 20264210 PMAQI
1st Aug 20264811 PMAQI
2nd Aug 20263812 AMAQI
2nd Aug 2026441 AMAQI
2nd Aug 2026382 AMAQI
2nd Aug 2026333 AMAQI
2nd Aug 2026384 AMAQI
29°C25/33°C
2nd Aug 2026385 AMAQI
2nd Aug 2026366 AMAQI
2nd Aug 2026367 AMAQI
2nd Aug 2026338 AMAQI
2nd Aug 2026339 AMAQI
2nd Aug 20263310 AMAQI
2nd Aug 20263611 AMAQI
2nd Aug 20263312 PMAQI
2nd Aug 2026401 PMAQI
2nd Aug 2026442 PMAQI
2nd Aug 2026423 PMAQI
2nd Aug 2026484 PMAQI
2nd Aug 2026485 PMAQI
2nd Aug 2026446 PMAQI
2nd Aug 2026447 PMAQI
2nd Aug 2026468 PMAQI
2nd Aug 2026449 PMAQI
2nd Aug 20264410 PMAQI
2nd Aug 20264011 PMAQI
3rd Aug 20264212 AMAQI
3rd Aug 2026361 AMAQI
3rd Aug 2026382 AMAQI
3rd Aug 2026423 AMAQI
3rd Aug 2026424 AMAQI
30°C26/34°C
3rd Aug 2026405 AMAQI
3rd Aug 2026426 AMAQI
3rd Aug 2026407 AMAQI
3rd Aug 2026428 AMAQI
3rd Aug 2026389 AMAQI
3rd Aug 20264010 AMAQI
3rd Aug 20264011 AMAQI
3rd Aug 20263812 PMAQI
3rd Aug 2026421 PMAQI
3rd Aug 2026442 PMAQI
3rd Aug 2026523 PMAQI
3rd Aug 2026534 PMAQI
3rd Aug 2026485 PMAQI
3rd Aug 2026466 PMAQI
3rd Aug 2026497 PMAQI
3rd Aug 2026428 PMAQI
3rd Aug 2026389 PMAQI
3rd Aug 20263610 PMAQI
3rd Aug 20263611 PMAQI
4th Aug 20262912 AMAQI
4th Aug 2026381 AMAQI
4th Aug 2026422 AMAQI
4th Aug 2026333 AMAQI
4th Aug 2026364 AMAQI
30°C27/34°C
4th Aug 2026365 AMAQI
4th Aug 2026366 AMAQI
4th Aug 2026317 AMAQI
4th Aug 2026318 AMAQI
4th Aug 2026299 AMAQI
4th Aug 20262910 AMAQI
4th Aug 20263111 AMAQI
4th Aug 20262912 PMAQI
4th Aug 2026381 PMAQI
4th Aug 2026292 PMAQI
4th Aug 2026293 PMAQI
4th Aug 2026294 PMAQI
4th Aug 2026275 PMAQI
4th Aug 2026296 PMAQI
4th Aug 2026297 PMAQI
4th Aug 2026278 PMAQI
4th Aug 2026279 PMAQI
4th Aug 20262710 PMAQI
4th Aug 20263311 PMAQI
5th Aug 20262912 AMAQI
5th Aug 2026311 AMAQI
5th Aug 2026292 AMAQI
5th Aug 2026313 AMAQI
5th Aug 2026314 AMAQI
29°C26/32°C
5th Aug 2026295 AMAQI
5th Aug 2026276 AMAQI
5th Aug 2026257 AMAQI
5th Aug 2026278 AMAQI
5th Aug 2026259 AMAQI
5th Aug 20262310 AMAQI
5th Aug 20262511 AMAQI
5th Aug 20262312 PMAQI
5th Aug 2026251 PMAQI
5th Aug 2026232 PMAQI
5th Aug 2026253 PMAQI
5th Aug 2026254 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 20262511 PMAQI
6th Aug 20262312 AMAQI
6th Aug 2026211 AMAQI
6th Aug 2026232 AMAQI
6th Aug 2026233 AMAQI
6th Aug 2026234 AMAQI
29°C26/33°C
6th Aug 2026255 AMAQI
6th Aug 2026276 AMAQI
6th Aug 2026237 AMAQI
6th Aug 2026258 AMAQI
6th Aug 2026259 AMAQI
6th Aug 20262510 AMAQI
6th Aug 20262511 AMAQI
6th Aug 20262312 PMAQI
6th Aug 2026211 PMAQI
6th Aug 2026252 PMAQI
6th Aug 2026253 PMAQI
6th Aug 2026254 PMAQI
6th Aug 2026255 PMAQI
6th Aug 2026276 PMAQI
6th Aug 2026257 PMAQI
6th Aug 2026258 PMAQI
6th Aug 2026259 PMAQI
6th Aug 20262110 PMAQI
6th Aug 20262311 PMAQI
7th Aug 20262112 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 20262512 PMAQI
7th Aug 2026291 PMAQI
7th Aug 2026402 PMAQI
7th Aug 2026293 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 2026211 AMAQI
8th Aug 2026232 AMAQI
8th Aug 2026253 AMAQI
8th Aug 2026214 AMAQI
29°C26/32°C
8th Aug 2026215 AMAQI
8th Aug 2026216 AMAQI
8th Aug 2026217 AMAQI
8th Aug 2026238 AMAQI
8th Aug 2026219 AMAQI
8th Aug 20262110 AMAQI
8th Aug 20262111 AMAQI
8th Aug 20262112 PMAQI
8th Aug 2026211 PMAQI
8th Aug 2026212 PMAQI
8th Aug 2026213 PMAQI
8th Aug 2026214 PMAQI
8th Aug 2026235 PMAQI
8th Aug 2026216 PMAQI
8th Aug 2026217 PMAQI
8th Aug 2026218 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 2026213 AMAQI
9th Aug 2026214 AMAQI
29°C26/32°C
9th Aug 2026255 AMAQI
9th Aug 2026216 AMAQI
9th Aug 2026257 AMAQI
9th Aug 2026278 AMAQI
9th Aug 2026259 AMAQI
9th Aug 20262710 AMAQI
9th Aug 20262511 AMAQI
9th Aug 20262312 PMAQI
9th Aug 2026271 PMAQI
9th Aug 2026252 PMAQI
9th Aug 2026233 PMAQI
9th Aug 2026254 PMAQI
9th Aug 2026215 PMAQI
9th Aug 2026216 PMAQI
9th Aug 2026257 PMAQI
9th Aug 2026218 PMAQI
9th Aug 2026339 PMAQI
9th Aug 20262110 PMAQI
9th Aug 20262111 PMAQI
10th Aug 20262112 AMAQI
10th Aug 2026251 AMAQI
10th Aug 2026212 AMAQI
10th Aug 2026213 AMAQI
10th Aug 2026214 AMAQI
28°C26/32°C
10th Aug 2026215 AMAQI
10th Aug 2026216 AMAQI
10th Aug 2026217 AMAQI
10th Aug 2026218 AMAQI
10th Aug 2026259 AMAQI
10th Aug 20262510 AMAQI
10th Aug 20262511 AMAQI
10th Aug 20262312 PMAQI
10th Aug 2026211 PMAQI
10th Aug 2026212 PMAQI
10th Aug 2026213 PMAQI
10th Aug 2026214 PMAQI
10th Aug 2026235 PMAQI
10th Aug 2026256 PMAQI
10th Aug 2026217 PMAQI
10th Aug 2026218 PMAQI
10th Aug 2026239 PMAQI
10th Aug 20262310 PMAQI
10th Aug 20262111 PMAQI
11th Aug 20262512 AMAQI
11th Aug 2026231 AMAQI
11th Aug 2026212 AMAQI
11th Aug 2026233 AMAQI
11th Aug 2026214 AMAQI
28°C24/31°C
11th Aug 2026215 AMAQI
11th Aug 2026236 AMAQI
11th Aug 2026217 AMAQI
11th Aug 2026218 AMAQI
11th Aug 2026219 AMAQI
11th Aug 20262110 AMAQI
11th Aug 20262111 AMAQI
11th Aug 20262112 PMAQI
11th Aug 2026231 PMAQI
11th Aug 2026232 PMAQI
11th Aug 2026253 PMAQI
11th Aug 2026254 PMAQI
11th Aug 2026215 PMAQI
11th Aug 2026236 PMAQI
11th Aug 2026257 PMAQI
11th Aug 2026218 PMAQI
11th Aug 2026219 PMAQI
11th Aug 20262310 PMAQI
11th Aug 20262111 PMAQI
12th Aug 20262512 AMAQI
12th Aug 2026211 AMAQI
12th Aug 2026232 AMAQI
12th Aug 2026213 AMAQI
12th Aug 2026214 AMAQI
25°C20/31°C
12th Aug 2026235 AMAQI
12th Aug 2026216 AMAQI
12th Aug 2026237 AMAQI
12th Aug 2026218 AMAQI
12th Aug 2026219 AMAQI
12th Aug 20262110 AMAQI
12th Aug 20262311 AMAQI
12th Aug 20262512 PMAQI
12th Aug 2026251 PMAQI
12th Aug 2026252 PMAQI
12th Aug 2026233 PMAQI
12th Aug 2026234 PMAQI
12th Aug 2026275 PMAQI
12th Aug 2026256 PMAQI
12th Aug 2026257 PMAQI
12th Aug 2026238 PMAQI
12th Aug 2026259 PMAQI
12th Aug 20262110 PMAQI
12th Aug 20262111 PMAQI
13th Aug 20262312 AMAQI
13th Aug 2026251 AMAQI
13th Aug 2026212 AMAQI
13th Aug 2026213 AMAQI
13th Aug 2026234 AMAQI
25°C22/28°C
13th Aug 2026255 AMAQI
13th Aug 2026216 AMAQI
13th Aug 2026237 AMAQI
13th Aug 2026218 AMAQI
13th Aug 2026239 AMAQI
13th Aug 20262110 AMAQI
13th Aug 20262111 AMAQI
13th Aug 20262112 PMAQI
13th Aug 2026231 PMAQI
13th Aug 2026252 PMAQI
13th Aug 2026233 PMAQI
13th Aug 2026294 PMAQI
13th Aug 2026255 PMAQI
13th Aug 2026236 PMAQI
13th Aug 2026277 PMAQI
13th Aug 2026338 PMAQI
13th Aug 2026369 PMAQI
13th Aug 20265010 PMAQI
13th Aug 20266511 PMAQI
14th Aug 20265812 AMAQI
14th Aug 2026581 AMAQI
14th Aug 2026572 AMAQI
14th Aug 2026563 AMAQI
14th Aug 2026534 AMAQI
26°C24/30°C
14th Aug 2026555 AMAQI
5 AM14th Aug 2026576 AMAQI
14th Aug 2026567 AMAQI
14th Aug 2026538 AMAQI
14th Aug 2026549 AMAQI
14th Aug 20265510 AMAQI
14th Aug 20265511 AMAQI
14th Aug 20265512 PMAQI
12 PM14th Aug 2026601 PMAQI
14th Aug 2026682 PMAQI
14th Aug 2026703 PMAQI
14th Aug 2026674 PMAQI
14th Aug 2026735 PMAQI
14th Aug 2026706 PMAQI
14th Aug 2026667 PMAQI
7 PM14th Aug 2026678 PMAQI
14th Aug 2026569 PMAQI
14th Aug 20265210 PMAQI
14th Aug 20265811 PMAQI
12 AM
4 AM
26°C23/29°C
Day time
Avg. Highest Time
1 PM - 7 PM
43AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
5 AM - 12 PM
37AQI
8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 7 PM (Avg. 43), while the lowest AQI was between 5 AM to 12 PM (Avg. 37).
Night time
Avg. Highest Time
8 PM - 11 PM
41AQI
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. 41), while the lowest AQI was between 12 AM to 4 AM (Avg. 38).
2026 Days Vs Air Quality
Horin, Hayashima, Okayama, Japan
2026
72%
162
28%
64
Total number of days with different AQI categories in last 226 days in 2026 (139 days remaining)
Good
162 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 226 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
Horin, 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
31AQI (US)
31AQI (US)
2nd January 2026
28AQI (US)
28AQI (US)
3rd January 2026
30AQI (US)
30AQI (US)
4th January 2026
53AQI (US)
53AQI (US)
5th January 2026
56AQI (US)
56AQI (US)
6th January 2026
34AQI (US)
34AQI (US)
7th January 2026
52AQI (US)
52AQI (US)
8th January 2026
39AQI (US)
39AQI (US)
9th January 2026
36AQI (US)
36AQI (US)
10th January 2026
51AQI (US)
51AQI (US)
11th January 2026
36AQI (US)
36AQI (US)
12th January 2026
36AQI (US)
36AQI (US)
13th January 2026
45AQI (US)
45AQI (US)
14th January 2026
32AQI (US)
32AQI (US)
15th January 2026
48AQI (US)
48AQI (US)
16th January 2026
78AQI (US)
78AQI (US)
17th January 2026
84AQI (US)
84AQI (US)
18th January 2026
61AQI (US)
61AQI (US)
19th January 2026
65AQI (US)
65AQI (US)
20th January 2026
36AQI (US)
36AQI (US)
21st January 2026
20AQI (US)
20AQI (US)
22nd January 2026
30AQI (US)
30AQI (US)
23rd January 2026
40AQI (US)
40AQI (US)
24th January 2026
45AQI (US)
45AQI (US)
25th January 2026
42AQI (US)
42AQI (US)
26th January 2026
30AQI (US)
30AQI (US)
27th January 2026
43AQI (US)
43AQI (US)
28th January 2026
31AQI (US)
31AQI (US)
29th January 2026
21AQI (US)
21AQI (US)
30th January 2026
41AQI (US)
41AQI (US)
31st January 2026
37AQI (US)
37AQI (US)
1st February 2026
43AQI (US)
43AQI (US)
2nd February 2026
46AQI (US)
46AQI (US)
3rd February 2026
27AQI (US)
27AQI (US)
4th February 2026
47AQI (US)
47AQI (US)
5th February 2026
54AQI (US)
54AQI (US)
6th February 2026
52AQI (US)
52AQI (US)
7th February 2026
19AQI (US)
19AQI (US)
8th February 2026
18AQI (US)
18AQI (US)
9th February 2026
41AQI (US)
41AQI (US)
10th February 2026
47AQI (US)
47AQI (US)
11th February 2026
52AQI (US)
52AQI (US)
12th February 2026
51AQI (US)
51AQI (US)
13th February 2026
61AQI (US)
61AQI (US)
14th February 2026
74AQI (US)
74AQI (US)
15th February 2026
68AQI (US)
68AQI (US)
16th February 2026
50AQI (US)
50AQI (US)
17th February 2026
30AQI (US)
30AQI (US)
18th February 2026
38AQI (US)
38AQI (US)
19th February 2026
40AQI (US)
40AQI (US)
20th February 2026
48AQI (US)
48AQI (US)
21st February 2026
67AQI (US)
67AQI (US)
22nd February 2026
60AQI (US)
60AQI (US)
23rd February 2026
62AQI (US)
62AQI (US)
24th February 2026
52AQI (US)
52AQI (US)
25th February 2026
14AQI (US)
14AQI (US)
26th February 2026
13AQI (US)
13AQI (US)
27th February 2026
51AQI (US)
51AQI (US)
28th February 2026
21AQI (US)
21AQI (US)
1st March 2026
36AQI (US)
36AQI (US)
2nd March 2026
57AQI (US)
57AQI (US)
3rd March 2026
39AQI (US)
39AQI (US)
4th March 2026
49AQI (US)
49AQI (US)
5th March 2026
51AQI (US)
51AQI (US)
6th March 2026
57AQI (US)
57AQI (US)
7th March 2026
37AQI (US)
37AQI (US)
8th March 2026
20AQI (US)
20AQI (US)
9th March 2026
39AQI (US)
39AQI (US)
10th March 2026
57AQI (US)
57AQI (US)
11th March 2026
54AQI (US)
54AQI (US)
12th March 2026
59AQI (US)
59AQI (US)
13th March 2026
37AQI (US)
37AQI (US)
14th March 2026
44AQI (US)
44AQI (US)
15th March 2026
56AQI (US)
56AQI (US)
16th March 2026
27AQI (US)
27AQI (US)
17th March 2026
35AQI (US)
35AQI (US)
18th March 2026
46AQI (US)
46AQI (US)
19th March 2026
56AQI (US)
56AQI (US)
20th March 2026
66AQI (US)
66AQI (US)
21st March 2026
56AQI (US)
56AQI (US)
22nd March 2026
59AQI (US)
59AQI (US)
23rd March 2026
61AQI (US)
61AQI (US)
24th March 2026
48AQI (US)
48AQI (US)
25th March 2026
43AQI (US)
43AQI (US)
26th March 2026
19AQI (US)
19AQI (US)
27th March 2026
41AQI (US)
41AQI (US)
28th March 2026
75AQI (US)
75AQI (US)
29th March 2026
83AQI (US)
83AQI (US)
30th March 2026
75AQI (US)
75AQI (US)
31st March 2026
23AQI (US)
23AQI (US)
1st April 2026
16AQI (US)
16AQI (US)
2nd April 2026
54AQI (US)
54AQI (US)
3rd April 2026
56AQI (US)
56AQI (US)
4th April 2026
34AQI (US)
34AQI (US)
5th April 2026
26AQI (US)
26AQI (US)
6th April 2026
68AQI (US)
68AQI (US)
7th April 2026
36AQI (US)
36AQI (US)
8th April 2026
44AQI (US)
44AQI (US)
9th April 2026
32AQI (US)
32AQI (US)
10th April 2026
46AQI (US)
46AQI (US)
11th April 2026
50AQI (US)
50AQI (US)
12th April 2026
40AQI (US)
40AQI (US)
13th April 2026
42AQI (US)
42AQI (US)
14th April 2026
40AQI (US)
40AQI (US)
15th April 2026
34AQI (US)
34AQI (US)
16th April 2026
34AQI (US)
34AQI (US)
17th April 2026
36AQI (US)
36AQI (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
44AQI (US)
44AQI (US)
22nd April 2026
41AQI (US)
41AQI (US)
23rd April 2026
32AQI (US)
32AQI (US)
24th April 2026
28AQI (US)
28AQI (US)
25th April 2026
46AQI (US)
46AQI (US)
26th April 2026
50AQI (US)
50AQI (US)
27th April 2026
50AQI (US)
50AQI (US)
28th April 2026
55AQI (US)
55AQI (US)
29th April 2026
40AQI (US)
40AQI (US)
30th April 2026
25AQI (US)
25AQI (US)
1st May 2026
47AQI (US)
47AQI (US)
2nd May 2026
58AQI (US)
58AQI (US)
3rd May 2026
55AQI (US)
55AQI (US)
4th May 2026
24AQI (US)
24AQI (US)
5th May 2026
22AQI (US)
22AQI (US)
6th May 2026
28AQI (US)
28AQI (US)
7th May 2026
38AQI (US)
38AQI (US)
8th May 2026
45AQI (US)
45AQI (US)
9th May 2026
34AQI (US)
34AQI (US)
10th May 2026
31AQI (US)
31AQI (US)
11th May 2026
34AQI (US)
34AQI (US)
12th May 2026
40AQI (US)
40AQI (US)
13th May 2026
38AQI (US)
38AQI (US)
14th May 2026
39AQI (US)
39AQI (US)
15th May 2026
35AQI (US)
35AQI (US)
16th May 2026
78AQI (US)
78AQI (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
61AQI (US)
61AQI (US)
21st May 2026
65AQI (US)
65AQI (US)
22nd May 2026
68AQI (US)
68AQI (US)
23rd May 2026
60AQI (US)
60AQI (US)
24th May 2026
63AQI (US)
63AQI (US)
25th May 2026
54AQI (US)
54AQI (US)
26th May 2026
41AQI (US)
41AQI (US)
27th May 2026
17AQI (US)
17AQI (US)
28th May 2026
32AQI (US)
32AQI (US)
29th May 2026
35AQI (US)
35AQI (US)
30th May 2026
40AQI (US)
40AQI (US)
31st May 2026
56AQI (US)
56AQI (US)
1st June 2026
58AQI (US)
58AQI (US)
2nd June 2026
18AQI (US)
18AQI (US)
3rd June 2026
12AQI (US)
12AQI (US)
4th June 2026
24AQI (US)
24AQI (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
21AQI (US)
21AQI (US)
9th June 2026
33AQI (US)
33AQI (US)
10th June 2026
37AQI (US)
37AQI (US)
11th June 2026
54AQI (US)
54AQI (US)
12th June 2026
55AQI (US)
55AQI (US)
13th June 2026
51AQI (US)
51AQI (US)
14th June 2026
45AQI (US)
45AQI (US)
15th June 2026
21AQI (US)
21AQI (US)
16th June 2026
26AQI (US)
26AQI (US)
17th June 2026
23AQI (US)
23AQI (US)
18th June 2026
37AQI (US)
37AQI (US)
19th June 2026
36AQI (US)
36AQI (US)
20th June 2026
50AQI (US)
50AQI (US)
21st June 2026
23AQI (US)
23AQI (US)
22nd June 2026
15AQI (US)
15AQI (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
26AQI (US)
26AQI (US)
28th June 2026
26AQI (US)
26AQI (US)
29th June 2026
48AQI (US)
48AQI (US)
30th June 2026
63AQI (US)
63AQI (US)
1st July 2026
58AQI (US)
58AQI (US)
2nd July 2026
14AQI (US)
14AQI (US)
3rd July 2026
33AQI (US)
33AQI (US)
4th July 2026
30AQI (US)
30AQI (US)
5th July 2026
29AQI (US)
29AQI (US)
6th July 2026
22AQI (US)
22AQI (US)
7th July 2026
26AQI (US)
26AQI (US)
8th July 2026
25AQI (US)
25AQI (US)
9th July 2026
24AQI (US)
24AQI (US)
10th July 2026
26AQI (US)
26AQI (US)
11th July 2026
29AQI (US)
29AQI (US)
12th July 2026
27AQI (US)
27AQI (US)
13th July 2026
39AQI (US)
39AQI (US)
14th July 2026
33AQI (US)
33AQI (US)
15th July 2026
26AQI (US)
26AQI (US)
16th July 2026
29AQI (US)
29AQI (US)
17th July 2026
50AQI (US)
50AQI (US)
18th July 2026
59AQI (US)
59AQI (US)
19th July 2026
53AQI (US)
53AQI (US)
20th July 2026
56AQI (US)
56AQI (US)
21st July 2026
72AQI (US)
72AQI (US)
22nd July 2026
75AQI (US)
75AQI (US)
23rd July 2026
54AQI (US)
54AQI (US)
24th July 2026
41AQI (US)
41AQI (US)
25th July 2026
45AQI (US)
45AQI (US)
26th July 2026
37AQI (US)
37AQI (US)
27th July 2026
37AQI (US)
37AQI (US)
28th July 2026
40AQI (US)
40AQI (US)
29th July 2026
36AQI (US)
36AQI (US)
30th July 2026
35AQI (US)
35AQI (US)
31st July 2026
30AQI (US)
30AQI (US)
1st August 2026
47AQI (US)
47AQI (US)
2nd August 2026
40AQI (US)
40AQI (US)
3rd August 2026
42AQI (US)
42AQI (US)
4th August 2026
31AQI (US)
31AQI (US)
5th August 2026
25AQI (US)
25AQI (US)
6th August 2026
24AQI (US)
24AQI (US)
7th August 2026
26AQI (US)
26AQI (US)
8th August 2026
22AQI (US)
22AQI (US)
9th August 2026
24AQI (US)
24AQI (US)
10th August 2026
22AQI (US)
22AQI (US)
11th August 2026
22AQI (US)
22AQI (US)
12th August 2026
23AQI (US)
23AQI (US)
13th August 2026
27AQI (US)
27AQI (US)
14th August 2026
60AQI (US)
60AQI (US)
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
42AQI (US)
45AQI (US)
49AQI (US)
40AQI (US)
45AQI (US)
32AQI (US)
38AQI (US)
31AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202641AQI (US)
23
8
16
12
16
15
26
4
19
12
25
5
24
7
13
1
162
64
Highest AQI (US) recorded in
March49AQI (US)
Lowest AQI (US) recorded in
August31AQI (US)
202551AQI (US)
24
7
22
6
14
15
2
9
21
19
12
10
20
18
12
1
20
11
30
11
20
4
26
12
19
193
169
3
Highest AQI (US) recorded in
November61AQI (US)
Lowest AQI (US) recorded in
September34AQI (US)
202442AQI (US)
16
15
22
7
22
9
11
17
2
20
10
22
8
29
2
24
7
27
3
30
1
23
7
29
2
275
88
2
Highest AQI (US) recorded in
April58AQI (US)
Lowest AQI (US) recorded in
October34AQI (US)
202349AQI (US)
21
8
1
16
12
13
18
13
17
19
12
18
12
25
6
19
12
20
10
21
10
17
10
2
16
14
218
141
3
Highest AQI (US) recorded in
March56AQI (US)
Lowest AQI (US) recorded in
July39AQI (US)
202244AQI (US)
19
11
14
7
15
16
14
16
15
16
23
7
19
5
1
26
2
28
3
18
11
1
26
5
218
99
1
Highest AQI (US) recorded in
March55AQI (US)
Lowest AQI (US) recorded in
September31AQI (US)
202142AQI (US)
20
11
18
10
15
15
17
7
17
14
19
11
30
1
27
4
26
4
27
4
16
14
22
9
254
104
Highest AQI (US) recorded in
May51AQI (US)
Lowest AQI (US) recorded in
September32AQI (US)
202044AQI (US)
6
7
13
8
9
8
1
19
11
29
2
16
15
19
23
8
17
12
1
18
12
1
169
83
3
Highest AQI (US) recorded in
March52AQI (US)
Lowest AQI (US) recorded in
September28AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
51AQI (US)Least Polluted Year Recorded
2026(Avg.)
41AQI (US)Horin's annual 2026 AQI (US) (41) shows an average percentage change of -9.05% (improved AQI (US)) compared to previous years: 2020 (44), 2021 (42), 2022 (44), 2023 (49), 2024 (42), 2025 (51).
