Miemachi Ichiba, Usuki, Oita, 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
Miemachi Ichiba, Usuki, Oita, Japan
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Aug 2024
65AQILowest AQI recorded on
28th Aug 2023
15AQISame Day Analysis (16th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 25 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 15th Aug - 16th Aug 2026
Miemachi Ichiba, Usuki, Oita, Japan
AQI
Day
Night
.
5 AM15th Aug 2026
7 PM
4 AM16th Aug 2026
Day time
Avg. Highest Time
12PM15th Aug
33AQI
Avg. Lowest Time
6AM15th Aug
8AQI
Night time
Avg. Highest Time
12AM16th Aug
25AQI
Avg. Lowest Time
7PM15th Aug
8AQI
In the last 24 hours,
Miemachi Ichiba's AQI reached its highest point of 33 at 12 PM during the Day, while the lowest point, 8, was recorded at 7 PM during the Night between 15th Aug and 16th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Miemachi Ichiba, Usuki, Oita, 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 2026575 AMAQI
18th Jul 2026546 AMAQI
18th Jul 2026557 AMAQI
18th Jul 2026558 AMAQI
18th Jul 2026609 AMAQI
18th Jul 20267410 AMAQI
18th Jul 20267911 AMAQI
18th Jul 20268612 PMAQI
18th Jul 2026841 PMAQI
18th Jul 2026822 PMAQI
18th Jul 2026743 PMAQI
18th Jul 2026864 PMAQI
18th Jul 2026925 PMAQI
18th Jul 2026826 PMAQI
18th Jul 2026747 PMAQI
18th Jul 2026748 PMAQI
18th Jul 2026749 PMAQI
18th Jul 202610510 PMAQI
18th Jul 202610411 PMAQI
19th Jul 20268612 AMAQI
19th Jul 20261021 AMAQI
19th Jul 20261082 AMAQI
19th Jul 2026973 AMAQI
19th Jul 2026844 AMAQI
27°C25/31°C
19th Jul 2026685 AMAQI
19th Jul 2026686 AMAQI
19th Jul 2026767 AMAQI
19th Jul 2026668 AMAQI
19th Jul 2026629 AMAQI
19th Jul 20268210 AMAQI
19th Jul 20268011 AMAQI
19th Jul 20268812 PMAQI
19th Jul 2026941 PMAQI
19th Jul 2026812 PMAQI
19th Jul 2026813 PMAQI
19th Jul 2026704 PMAQI
19th Jul 2026675 PMAQI
19th Jul 2026676 PMAQI
19th Jul 2026887 PMAQI
19th Jul 20261188 PMAQI
19th Jul 20261219 PMAQI
19th Jul 20268510 PMAQI
19th Jul 20266011 PMAQI
20th Jul 20265412 AMAQI
20th Jul 2026551 AMAQI
20th Jul 2026312 AMAQI
20th Jul 2026313 AMAQI
20th Jul 2026334 AMAQI
27°C25/31°C
20th Jul 2026525 AMAQI
20th Jul 2026486 AMAQI
20th Jul 2026547 AMAQI
20th Jul 2026528 AMAQI
20th Jul 2026629 AMAQI
20th Jul 20266610 AMAQI
20th Jul 20267611 AMAQI
20th Jul 20267812 PMAQI
20th Jul 2026781 PMAQI
20th Jul 2026862 PMAQI
20th Jul 2026923 PMAQI
20th Jul 2026944 PMAQI
20th Jul 20261025 PMAQI
20th Jul 2026856 PMAQI
20th Jul 2026867 PMAQI
20th Jul 20261008 PMAQI
20th Jul 20261029 PMAQI
20th Jul 20269510 PMAQI
20th Jul 20269011 PMAQI
21st Jul 20269412 AMAQI
21st Jul 2026921 AMAQI
21st Jul 2026942 AMAQI
21st Jul 2026873 AMAQI
21st Jul 2026894 AMAQI
27°C26/30°C
21st Jul 2026855 AMAQI
21st Jul 2026886 AMAQI
21st Jul 2026927 AMAQI
21st Jul 2026928 AMAQI
21st Jul 2026949 AMAQI
21st Jul 20269210 AMAQI
21st Jul 202610411 AMAQI
21st Jul 20261111 PMAQI
21st Jul 20261142 PMAQI
21st Jul 20261203 PMAQI
21st Jul 20261224 PMAQI
21st Jul 20261255 PMAQI
21st Jul 20261306 PMAQI
21st Jul 20261217 PMAQI
21st Jul 2026768 PMAQI
21st Jul 2026749 PMAQI
21st Jul 20267610 PMAQI
21st Jul 20268111 PMAQI
22nd Jul 20267312 AMAQI
22nd Jul 2026731 AMAQI
22nd Jul 2026742 AMAQI
22nd Jul 2026743 AMAQI
22nd Jul 2026804 AMAQI
27°C25/30°C
22nd Jul 2026825 AMAQI
22nd Jul 2026756 AMAQI
22nd Jul 2026577 AMAQI
22nd Jul 2026388 AMAQI
22nd Jul 2026469 AMAQI
22nd Jul 20264610 AMAQI
22nd Jul 20266211 AMAQI
22nd Jul 20267812 PMAQI
22nd Jul 2026891 PMAQI
22nd Jul 2026982 PMAQI
22nd Jul 2026983 PMAQI
22nd Jul 2026944 PMAQI
22nd Jul 2026905 PMAQI
22nd Jul 2026946 PMAQI
22nd Jul 2026927 PMAQI
22nd Jul 2026908 PMAQI
22nd Jul 20261119 PMAQI
22nd Jul 202611810 PMAQI
22nd Jul 202611511 PMAQI
23rd Jul 202611512 AMAQI
23rd Jul 20261081 AMAQI
23rd Jul 20261002 AMAQI
23rd Jul 2026883 AMAQI
23rd Jul 2026624 AMAQI
28°C25/30°C
23rd Jul 2026555 AMAQI
23rd Jul 2026546 AMAQI
23rd Jul 2026317 AMAQI
23rd Jul 2026388 AMAQI
23rd Jul 2026529 AMAQI
23rd Jul 20264010 AMAQI
23rd Jul 20264611 AMAQI
23rd Jul 20265312 PMAQI
23rd Jul 2026651 PMAQI
23rd Jul 2026842 PMAQI
23rd Jul 2026963 PMAQI
23rd Jul 2026934 PMAQI
23rd Jul 2026975 PMAQI
23rd Jul 2026986 PMAQI
23rd Jul 2026877 PMAQI
23rd Jul 2026878 PMAQI
23rd Jul 2026759 PMAQI
23rd Jul 20266610 PMAQI
23rd Jul 20266811 PMAQI
24th Jul 20266912 AMAQI
24th Jul 2026741 AMAQI
24th Jul 2026702 AMAQI
24th Jul 2026643 AMAQI
24th Jul 2026744 AMAQI
28°C25/31°C
24th Jul 2026855 AMAQI
24th Jul 2026826 AMAQI
24th Jul 2026697 AMAQI
24th Jul 2026728 AMAQI
24th Jul 2026769 AMAQI
24th Jul 20267110 AMAQI
24th Jul 20266211 AMAQI
24th Jul 20267212 PMAQI
24th Jul 2026841 PMAQI
24th Jul 20261042 PMAQI
24th Jul 20261123 PMAQI
24th Jul 2026864 PMAQI
24th Jul 20261025 PMAQI
24th Jul 2026936 PMAQI
24th Jul 2026587 PMAQI
24th Jul 2026508 PMAQI
24th Jul 2026629 PMAQI
24th Jul 20266210 PMAQI
24th Jul 20266411 PMAQI
25th Jul 20265712 AMAQI
25th Jul 2026601 AMAQI
25th Jul 2026562 AMAQI
25th Jul 2026553 AMAQI
25th Jul 2026554 AMAQI
28°C25/31°C
25th Jul 2026635 AMAQI
25th Jul 2026686 AMAQI
25th Jul 2026657 AMAQI
25th Jul 2026678 AMAQI
25th Jul 2026719 AMAQI
25th Jul 20266810 AMAQI
25th Jul 20267111 AMAQI
25th Jul 20267312 PMAQI
25th Jul 2026721 PMAQI
25th Jul 2026762 PMAQI
25th Jul 2026763 PMAQI
25th Jul 2026694 PMAQI
25th Jul 2026625 PMAQI
25th Jul 2026586 PMAQI
25th Jul 2026467 PMAQI
25th Jul 2026488 PMAQI
25th Jul 2026369 PMAQI
25th Jul 20263610 PMAQI
25th Jul 20262711 PMAQI
26th Jul 20262712 AMAQI
26th Jul 2026231 AMAQI
26th Jul 2026212 AMAQI
26th Jul 2026173 AMAQI
26th Jul 2026254 AMAQI
28°C25/32°C
26th Jul 2026275 AMAQI
26th Jul 2026276 AMAQI
26th Jul 2026297 AMAQI
26th Jul 2026298 AMAQI
26th Jul 2026449 AMAQI
26th Jul 20262910 AMAQI
26th Jul 20263311 AMAQI
26th Jul 20262512 PMAQI
26th Jul 2026251 PMAQI
26th Jul 2026292 PMAQI
26th Jul 2026313 PMAQI
26th Jul 2026254 PMAQI
26th Jul 2026315 PMAQI
26th Jul 2026366 PMAQI
26th Jul 2026387 PMAQI
26th Jul 2026428 PMAQI
26th Jul 2026469 PMAQI
26th Jul 20263310 PMAQI
26th Jul 20264211 PMAQI
27th Jul 20264212 AMAQI
27th Jul 2026421 AMAQI
27th Jul 2026422 AMAQI
27th Jul 2026363 AMAQI
27th Jul 2026404 AMAQI
28°C25/32°C
27th Jul 2026335 AMAQI
27th Jul 2026336 AMAQI
27th Jul 2026427 AMAQI
27th Jul 2026338 AMAQI
27th Jul 2026389 AMAQI
27th Jul 20265010 AMAQI
27th Jul 20265411 AMAQI
27th Jul 20266212 PMAQI
27th Jul 2026501 PMAQI
27th Jul 2026502 PMAQI
27th Jul 2026523 PMAQI
27th Jul 2026554 PMAQI
27th Jul 2026515 PMAQI
27th Jul 2026586 PMAQI
27th Jul 2026567 PMAQI
27th Jul 2026558 PMAQI
27th Jul 2026489 PMAQI
27th Jul 20264610 PMAQI
27th Jul 20264411 PMAQI
28th Jul 20264012 AMAQI
28th Jul 2026461 AMAQI
28th Jul 2026442 AMAQI
28th Jul 2026443 AMAQI
28th Jul 2026404 AMAQI
29°C26/32°C
28th Jul 2026385 AMAQI
28th Jul 2026336 AMAQI
28th Jul 2026367 AMAQI
28th Jul 2026388 AMAQI
28th Jul 2026409 AMAQI
28th Jul 20264010 AMAQI
28th Jul 20264611 AMAQI
28th Jul 20265312 PMAQI
28th Jul 2026541 PMAQI
28th Jul 2026462 PMAQI
28th Jul 2026583 PMAQI
28th Jul 2026604 PMAQI
28th Jul 2026625 PMAQI
28th Jul 2026596 PMAQI
28th Jul 2026547 PMAQI
28th Jul 2026538 PMAQI
28th Jul 2026509 PMAQI
28th Jul 20264910 PMAQI
28th Jul 20264611 PMAQI
29th Jul 20264012 AMAQI
29th Jul 2026401 AMAQI
29th Jul 2026422 AMAQI
29th Jul 2026333 AMAQI
29th Jul 2026294 AMAQI
29°C26/32°C
29th Jul 2026335 AMAQI
29th Jul 2026336 AMAQI
29th Jul 2026177 AMAQI
29th Jul 2026208 AMAQI
29th Jul 2026129 AMAQI
29th Jul 20261910 AMAQI
29th Jul 20262511 AMAQI
29th Jul 20262512 PMAQI
29th Jul 2026191 PMAQI
29th Jul 2026212 PMAQI
29th Jul 2026143 PMAQI
29th Jul 2026214 PMAQI
29th Jul 2026255 PMAQI
29th Jul 2026216 PMAQI
29th Jul 2026277 PMAQI
29th Jul 2026318 PMAQI
29th Jul 2026319 PMAQI
29th Jul 20262910 PMAQI
29th Jul 20264211 PMAQI
30th Jul 20261412 AMAQI
30th Jul 2026121 AMAQI
30th Jul 202682 AMAQI
30th Jul 2026103 AMAQI
30th Jul 2026134 AMAQI
27°C25/30°C
30th Jul 2026175 AMAQI
30th Jul 2026156 AMAQI
30th Jul 2026167 AMAQI
30th Jul 2026168 AMAQI
30th Jul 2026179 AMAQI
30th Jul 20261710 AMAQI
30th Jul 20261911 AMAQI
30th Jul 20262312 PMAQI
30th Jul 2026231 PMAQI
30th Jul 2026252 PMAQI
30th Jul 2026253 PMAQI
30th Jul 2026254 PMAQI
30th Jul 2026275 PMAQI
30th Jul 2026366 PMAQI
30th Jul 2026317 PMAQI
30th Jul 2026368 PMAQI
30th Jul 2026339 PMAQI
30th Jul 20262910 PMAQI
30th Jul 20263311 PMAQI
31st Jul 20263312 AMAQI
31st Jul 2026361 AMAQI
31st Jul 2026332 AMAQI
31st Jul 2026273 AMAQI
31st Jul 2026294 AMAQI
28°C25/33°C
31st Jul 2026255 AMAQI
31st Jul 2026256 AMAQI
31st Jul 2026217 AMAQI
31st Jul 2026238 AMAQI
31st Jul 2026279 AMAQI
31st Jul 20262510 AMAQI
31st Jul 20262711 AMAQI
31st Jul 20263312 PMAQI
31st Jul 2026421 PMAQI
31st Jul 2026382 PMAQI
31st Jul 2026383 PMAQI
31st Jul 2026384 PMAQI
31st Jul 2026405 PMAQI
31st Jul 2026406 PMAQI
31st Jul 2026467 PMAQI
31st Jul 2026488 PMAQI
31st Jul 2026449 PMAQI
31st Jul 20265110 PMAQI
31st Jul 20264011 PMAQI
1st Aug 20264612 AMAQI
1st Aug 2026481 AMAQI
1st Aug 2026482 AMAQI
1st Aug 2026533 AMAQI
1st Aug 2026334 AMAQI
28°C24/32°C
1st Aug 2026275 AMAQI
1st Aug 2026296 AMAQI
1st Aug 2026297 AMAQI
1st Aug 2026278 AMAQI
1st Aug 2026279 AMAQI
1st Aug 20262710 AMAQI
1st Aug 20262511 AMAQI
1st Aug 20262712 PMAQI
1st Aug 2026311 PMAQI
1st Aug 2026292 PMAQI
1st Aug 2026293 PMAQI
1st Aug 2026334 PMAQI
1st Aug 2026365 PMAQI
1st Aug 2026366 PMAQI
1st Aug 2026577 PMAQI
1st Aug 2026588 PMAQI
1st Aug 2026529 PMAQI
1st Aug 20265410 PMAQI
1st Aug 20265311 PMAQI
2nd Aug 20265512 AMAQI
2nd Aug 2026581 AMAQI
2nd Aug 2026572 AMAQI
2nd Aug 2026553 AMAQI
2nd Aug 2026584 AMAQI
29°C25/33°C
2nd Aug 2026545 AMAQI
2nd Aug 2026566 AMAQI
2nd Aug 2026517 AMAQI
2nd Aug 2026508 AMAQI
2nd Aug 2026489 AMAQI
2nd Aug 20265010 AMAQI
2nd Aug 20265211 AMAQI
2nd Aug 20266412 PMAQI
2nd Aug 2026571 PMAQI
2nd Aug 2026542 PMAQI
2nd Aug 2026573 PMAQI
2nd Aug 2026514 PMAQI
2nd Aug 2026515 PMAQI
2nd Aug 2026386 PMAQI
2nd Aug 2026407 PMAQI
2nd Aug 2026508 PMAQI
2nd Aug 2026509 PMAQI
2nd Aug 20265110 PMAQI
2nd Aug 20265311 PMAQI
3rd Aug 20265412 AMAQI
3rd Aug 2026521 AMAQI
3rd Aug 2026542 AMAQI
3rd Aug 2026523 AMAQI
3rd Aug 2026524 AMAQI
30°C26/33°C
3rd Aug 2026595 AMAQI
3rd Aug 2026556 AMAQI
3rd Aug 2026547 AMAQI
3rd Aug 2026588 AMAQI
3rd Aug 2026599 AMAQI
3rd Aug 20266210 AMAQI
3rd Aug 20265611 AMAQI
3rd Aug 20265412 PMAQI
3rd Aug 2026561 PMAQI
3rd Aug 2026562 PMAQI
3rd Aug 2026583 PMAQI
3rd Aug 2026424 PMAQI
3rd Aug 2026425 PMAQI
3rd Aug 2026486 PMAQI
3rd Aug 2026537 PMAQI
3rd Aug 2026558 PMAQI
3rd Aug 2026529 PMAQI
3rd Aug 20264010 PMAQI
3rd Aug 20264411 PMAQI
4th Aug 20263812 AMAQI
4th Aug 2026401 AMAQI
4th Aug 2026382 AMAQI
4th Aug 2026403 AMAQI
4th Aug 2026384 AMAQI
29°C26/31°C
4th Aug 2026335 AMAQI
4th Aug 2026426 AMAQI
4th Aug 2026407 AMAQI
4th Aug 2026338 AMAQI
4th Aug 2026319 AMAQI
4th Aug 20262910 AMAQI
4th Aug 20263111 AMAQI
4th Aug 20262912 PMAQI
4th Aug 2026381 PMAQI
4th Aug 2026252 PMAQI
4th Aug 2026293 PMAQI
4th Aug 2026314 PMAQI
4th Aug 2026275 PMAQI
4th Aug 2026296 PMAQI
4th Aug 2026257 PMAQI
4th Aug 2026258 PMAQI
4th Aug 2026289 PMAQI
4th Aug 20262510 PMAQI
4th Aug 20262911 PMAQI
5th Aug 20262312 AMAQI
5th Aug 2026251 AMAQI
5th Aug 2026252 AMAQI
5th Aug 2026193 AMAQI
5th Aug 2026144 AMAQI
27°C25/30°C
5th Aug 2026155 AMAQI
5th Aug 2026176 AMAQI
5th Aug 2026197 AMAQI
5th Aug 2026128 AMAQI
5th Aug 2026149 AMAQI
5th Aug 20261910 AMAQI
5th Aug 20262111 AMAQI
5th Aug 20262312 PMAQI
5th Aug 2026251 PMAQI
5th Aug 2026232 PMAQI
5th Aug 2026253 PMAQI
5th Aug 2026294 PMAQI
5th Aug 2026255 PMAQI
5th Aug 2026256 PMAQI
5th Aug 2026297 PMAQI
5th Aug 2026348 PMAQI
5th Aug 2026409 PMAQI
5th Aug 20264010 PMAQI
5th Aug 20263111 PMAQI
6th Aug 20262712 AMAQI
6th Aug 2026251 AMAQI
6th Aug 2026252 AMAQI
6th Aug 2026273 AMAQI
6th Aug 2026294 AMAQI
27°C25/30°C
6th Aug 2026295 AMAQI
6th Aug 2026256 AMAQI
6th Aug 2026257 AMAQI
6th Aug 2026258 AMAQI
6th Aug 2026259 AMAQI
6th Aug 20262510 AMAQI
6th Aug 20262511 AMAQI
6th Aug 20263112 PMAQI
6th Aug 2026331 PMAQI
6th Aug 2026422 PMAQI
6th Aug 2026323 PMAQI
6th Aug 2026214 PMAQI
6th Aug 2026235 PMAQI
6th Aug 2026256 PMAQI
6th Aug 2026237 PMAQI
6th Aug 2026278 PMAQI
6th Aug 2026279 PMAQI
6th Aug 20262910 PMAQI
6th Aug 20262911 PMAQI
7th Aug 20262512 AMAQI
7th Aug 2026291 AMAQI
7th Aug 2026382 AMAQI
7th Aug 2026333 AMAQI
7th Aug 2026254 AMAQI
27°C24/30°C
7th Aug 2026215 AMAQI
7th Aug 2026256 AMAQI
7th Aug 2026297 AMAQI
7th Aug 2026258 AMAQI
7th Aug 2026259 AMAQI
7th Aug 20262510 AMAQI
7th Aug 20262511 AMAQI
7th Aug 20263212 PMAQI
7th Aug 2026381 PMAQI
7th Aug 2026272 PMAQI
7th Aug 2026253 PMAQI
7th Aug 2026234 PMAQI
7th Aug 2026215 PMAQI
7th Aug 2026256 PMAQI
7th Aug 2026257 PMAQI
7th Aug 2026258 PMAQI
7th Aug 2026259 PMAQI
7th Aug 20262910 PMAQI
7th Aug 20262911 PMAQI
8th Aug 20262512 AMAQI
8th Aug 2026251 AMAQI
8th Aug 2026252 AMAQI
8th Aug 2026293 AMAQI
8th Aug 2026274 AMAQI
27°C26/29°C
8th Aug 2026255 AMAQI
8th Aug 2026256 AMAQI
8th Aug 2026257 AMAQI
8th Aug 2026258 AMAQI
8th Aug 2026259 AMAQI
8th Aug 20262910 AMAQI
8th Aug 20262111 AMAQI
8th Aug 20262512 PMAQI
8th Aug 2026211 PMAQI
8th Aug 2026212 PMAQI
8th Aug 2026253 PMAQI
8th Aug 2026254 PMAQI
8th Aug 2026255 PMAQI
8th Aug 2026216 PMAQI
8th Aug 2026217 PMAQI
8th Aug 2026258 PMAQI
8th Aug 2026259 PMAQI
8th Aug 20262910 PMAQI
8th Aug 20262111 PMAQI
9th Aug 20262512 AMAQI
9th Aug 2026251 AMAQI
9th Aug 2026252 AMAQI
9th Aug 2026253 AMAQI
9th Aug 2026254 AMAQI
27°C25/29°C
9th Aug 2026255 AMAQI
9th Aug 2026256 AMAQI
9th Aug 2026257 AMAQI
9th Aug 2026218 AMAQI
9th Aug 2026259 AMAQI
9th Aug 20262510 AMAQI
9th Aug 20262511 AMAQI
9th Aug 20262912 PMAQI
9th Aug 2026421 PMAQI
9th Aug 2026382 PMAQI
9th Aug 2026253 PMAQI
9th Aug 2026254 PMAQI
9th Aug 2026255 PMAQI
9th Aug 2026296 PMAQI
9th Aug 2026257 PMAQI
9th Aug 2026388 PMAQI
9th Aug 2026219 PMAQI
9th Aug 20262510 PMAQI
9th Aug 20262111 PMAQI
10th Aug 20262312 AMAQI
10th Aug 2026211 AMAQI
10th Aug 2026252 AMAQI
10th Aug 2026293 AMAQI
10th Aug 2026294 AMAQI
26°C24/30°C
10th Aug 2026295 AMAQI
10th Aug 2026276 AMAQI
10th Aug 2026387 AMAQI
10th Aug 2026258 AMAQI
10th Aug 2026219 AMAQI
10th Aug 20262110 AMAQI
10th Aug 20262111 AMAQI
10th Aug 20262112 PMAQI
10th Aug 2026311 PMAQI
10th Aug 2026382 PMAQI
10th Aug 2026313 PMAQI
10th Aug 2026314 PMAQI
10th Aug 2026315 PMAQI
10th Aug 2026236 PMAQI
10th Aug 2026277 PMAQI
10th Aug 2026298 PMAQI
10th Aug 2026319 PMAQI
10th Aug 20263110 PMAQI
10th Aug 20263311 PMAQI
11th Aug 20263312 AMAQI
11th Aug 2026331 AMAQI
11th Aug 2026332 AMAQI
11th Aug 2026403 AMAQI
11th Aug 2026364 AMAQI
26°C24/29°C
11th Aug 2026365 AMAQI
11th Aug 2026386 AMAQI
11th Aug 2026387 AMAQI
11th Aug 2026388 AMAQI
11th Aug 2026429 AMAQI
11th Aug 20263810 AMAQI
11th Aug 20263311 AMAQI
11th Aug 20263312 PMAQI
11th Aug 2026361 PMAQI
11th Aug 2026382 PMAQI
11th Aug 2026383 PMAQI
11th Aug 2026384 PMAQI
11th Aug 2026345 PMAQI
11th Aug 2026316 PMAQI
11th Aug 2026337 PMAQI
11th Aug 2026338 PMAQI
11th Aug 2026299 PMAQI
11th Aug 20262910 PMAQI
11th Aug 20262911 PMAQI
12th Aug 20262512 AMAQI
12th Aug 2026231 AMAQI
12th Aug 2026212 AMAQI
12th Aug 2026213 AMAQI
12th Aug 2026214 AMAQI
26°C23/28°C
12th Aug 2026215 AMAQI
12th Aug 2026216 AMAQI
12th Aug 2026217 AMAQI
12th Aug 2026218 AMAQI
12th Aug 2026219 AMAQI
12th Aug 20262310 AMAQI
12th Aug 20262111 AMAQI
12th Aug 20262112 PMAQI
12th Aug 2026211 PMAQI
12th Aug 2026232 PMAQI
12th Aug 2026213 PMAQI
12th Aug 2026214 PMAQI
12th Aug 2026215 PMAQI
12th Aug 2026236 PMAQI
12th Aug 2026257 PMAQI
12th Aug 2026238 PMAQI
12th Aug 2026219 PMAQI
12th Aug 20262310 PMAQI
12th Aug 20262511 PMAQI
13th Aug 20262512 AMAQI
13th Aug 2026231 AMAQI
13th Aug 2026232 AMAQI
13th Aug 2026233 AMAQI
13th Aug 2026234 AMAQI
25°C20/29°C
13th Aug 2026255 AMAQI
13th Aug 2026256 AMAQI
13th Aug 2026237 AMAQI
13th Aug 2026258 AMAQI
13th Aug 2026259 AMAQI
13th Aug 20262310 AMAQI
13th Aug 20262711 AMAQI
13th Aug 20262512 PMAQI
13th Aug 2026341 PMAQI
13th Aug 2026402 PMAQI
13th Aug 2026423 PMAQI
13th Aug 2026424 PMAQI
13th Aug 2026445 PMAQI
13th Aug 2026496 PMAQI
13th Aug 2026527 PMAQI
13th Aug 2026528 PMAQI
13th Aug 2026569 PMAQI
13th Aug 20266710 PMAQI
13th Aug 20266511 PMAQI
14th Aug 20266612 AMAQI
14th Aug 2026671 AMAQI
14th Aug 2026572 AMAQI
14th Aug 2026603 AMAQI
14th Aug 2026514 AMAQI
26°C23/29°C
14th Aug 2026565 AMAQI
14th Aug 2026566 AMAQI
14th Aug 2026517 AMAQI
14th Aug 2026488 AMAQI
14th Aug 2026509 AMAQI
14th Aug 20265010 AMAQI
14th Aug 20265011 AMAQI
14th Aug 20264812 PMAQI
14th Aug 2026501 PMAQI
14th Aug 2026402 PMAQI
14th Aug 2026313 PMAQI
14th Aug 2026424 PMAQI
14th Aug 2026275 PMAQI
14th Aug 2026256 PMAQI
14th Aug 2026237 PMAQI
14th Aug 2026128 PMAQI
14th Aug 2026179 PMAQI
14th Aug 20262110 PMAQI
14th Aug 2026811 PMAQI
15th Aug 20261212 AMAQI
15th Aug 2026121 AMAQI
15th Aug 2026172 AMAQI
15th Aug 202683 AMAQI
15th Aug 2026114 AMAQI
26°C23/30°C
15th Aug 2026125 AMAQI
15th Aug 202686 AMAQI
15th Aug 2026127 AMAQI
15th Aug 2026128 AMAQI
15th Aug 2026219 AMAQI
15th Aug 20263110 AMAQI
15th Aug 20262911 AMAQI
15th Aug 20263312 PMAQI
15th Aug 2026121 PMAQI
15th Aug 2026142 PMAQI
15th Aug 2026213 PMAQI
15th Aug 2026174 PMAQI
15th Aug 2026175 PMAQI
15th Aug 2026126 PMAQI
15th Aug 202687 PMAQI
15th Aug 2026198 PMAQI
15th Aug 2026129 PMAQI
15th Aug 20261910 PMAQI
15th Aug 20261211 PMAQI
16th Aug 20262512 AMAQI
16th Aug 2026251 AMAQI
16th Aug 2026252 AMAQI
16th Aug 2026213 AMAQI
16th Aug 2026214 AMAQI
26°C23/30°C
16th Aug 2026335 AMAQI
5 AM16th Aug 2026256 AMAQI
16th Aug 2026257 AMAQI
16th Aug 2026218 AMAQI
16th Aug 2026259 AMAQI
16th Aug 20262510 AMAQI
16th Aug 20262511 AMAQI
16th Aug 20262512 PMAQI
12 PM16th Aug 2026381 PMAQI
16th Aug 2026332 PMAQI
16th Aug 2026333 PMAQI
16th Aug 2026234 PMAQI
16th Aug 2026215 PMAQI
16th Aug 2026236 PMAQI
16th Aug 2026317 PMAQI
7 PM16th Aug 2026218 PMAQI
16th Aug 2026219 PMAQI
16th Aug 20262110 PMAQI
16th Aug 20262111 PMAQI
12 AM
4 AM
25°C23/28°C
Day time
Avg. Highest Time
1 PM - 3 PM
49AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
8 AM
37AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 3 PM (Avg. 49), while the lowest AQI was between 8 AM to 8 AM (Avg. 37).
Night time
Avg. Highest Time
8 PM - 10 PM
47AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
4 AM
40AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 10 PM (Avg. 47), while the lowest AQI was between 4 AM to 4 AM (Avg. 40).
2026 Days Vs Air Quality
Miemachi Ichiba, Usuki, Oita, Japan
2026
83%
189
17%
39
Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)
Good
189 DaysModerate
39 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2026, 83% 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
Miemachi Ichiba, Usuki, Oita, 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
19AQI (US)
19AQI (US)
2nd January 2026
18AQI (US)
18AQI (US)
3rd January 2026
23AQI (US)
23AQI (US)
4th January 2026
28AQI (US)
28AQI (US)
5th January 2026
42AQI (US)
42AQI (US)
6th January 2026
33AQI (US)
33AQI (US)
7th January 2026
28AQI (US)
28AQI (US)
8th January 2026
34AQI (US)
34AQI (US)
9th January 2026
20AQI (US)
20AQI (US)
10th January 2026
24AQI (US)
24AQI (US)
11th January 2026
31AQI (US)
31AQI (US)
12th January 2026
24AQI (US)
24AQI (US)
13th January 2026
30AQI (US)
30AQI (US)
14th January 2026
29AQI (US)
29AQI (US)
15th January 2026
38AQI (US)
38AQI (US)
16th January 2026
45AQI (US)
45AQI (US)
17th January 2026
50AQI (US)
50AQI (US)
18th January 2026
55AQI (US)
55AQI (US)
19th January 2026
64AQI (US)
64AQI (US)
20th January 2026
36AQI (US)
36AQI (US)
21st January 2026
11AQI (US)
11AQI (US)
22nd January 2026
27AQI (US)
27AQI (US)
23rd January 2026
38AQI (US)
38AQI (US)
24th January 2026
32AQI (US)
32AQI (US)
25th January 2026
25AQI (US)
25AQI (US)
26th January 2026
27AQI (US)
27AQI (US)
27th January 2026
43AQI (US)
43AQI (US)
28th January 2026
16AQI (US)
16AQI (US)
29th January 2026
32AQI (US)
32AQI (US)
30th January 2026
33AQI (US)
33AQI (US)
31st January 2026
14AQI (US)
14AQI (US)
1st February 2026
40AQI (US)
40AQI (US)
2nd February 2026
36AQI (US)
36AQI (US)
3rd February 2026
28AQI (US)
28AQI (US)
4th February 2026
24AQI (US)
24AQI (US)
5th February 2026
44AQI (US)
44AQI (US)
6th February 2026
37AQI (US)
37AQI (US)
7th February 2026
38AQI (US)
38AQI (US)
8th February 2026
17AQI (US)
17AQI (US)
9th February 2026
40AQI (US)
40AQI (US)
10th February 2026
46AQI (US)
46AQI (US)
11th February 2026
48AQI (US)
48AQI (US)
12th February 2026
40AQI (US)
40AQI (US)
13th February 2026
47AQI (US)
47AQI (US)
14th February 2026
48AQI (US)
48AQI (US)
15th February 2026
45AQI (US)
45AQI (US)
16th February 2026
59AQI (US)
59AQI (US)
17th February 2026
20AQI (US)
20AQI (US)
18th February 2026
18AQI (US)
18AQI (US)
19th February 2026
58AQI (US)
58AQI (US)
20th February 2026
31AQI (US)
31AQI (US)
21st February 2026
32AQI (US)
32AQI (US)
22nd February 2026
48AQI (US)
48AQI (US)
23rd February 2026
46AQI (US)
46AQI (US)
24th February 2026
29AQI (US)
29AQI (US)
25th February 2026
21AQI (US)
21AQI (US)
26th February 2026
23AQI (US)
23AQI (US)
27th February 2026
49AQI (US)
49AQI (US)
28th February 2026
49AQI (US)
49AQI (US)
1st March 2026
51AQI (US)
51AQI (US)
2nd March 2026
77AQI (US)
77AQI (US)
3rd March 2026
35AQI (US)
35AQI (US)
4th March 2026
39AQI (US)
39AQI (US)
5th March 2026
54AQI (US)
54AQI (US)
6th March 2026
52AQI (US)
52AQI (US)
7th March 2026
51AQI (US)
51AQI (US)
8th March 2026
49AQI (US)
49AQI (US)
9th March 2026
51AQI (US)
51AQI (US)
10th March 2026
36AQI (US)
36AQI (US)
11th March 2026
31AQI (US)
31AQI (US)
12th March 2026
63AQI (US)
63AQI (US)
13th March 2026
48AQI (US)
48AQI (US)
14th March 2026
46AQI (US)
46AQI (US)
15th March 2026
62AQI (US)
62AQI (US)
16th March 2026
53AQI (US)
53AQI (US)
17th March 2026
50AQI (US)
50AQI (US)
18th March 2026
62AQI (US)
62AQI (US)
19th March 2026
28AQI (US)
28AQI (US)
20th March 2026
47AQI (US)
47AQI (US)
21st March 2026
34AQI (US)
34AQI (US)
22nd March 2026
47AQI (US)
47AQI (US)
23rd March 2026
23AQI (US)
23AQI (US)
24th March 2026
40AQI (US)
40AQI (US)
25th March 2026
30AQI (US)
30AQI (US)
26th March 2026
13AQI (US)
13AQI (US)
27th March 2026
42AQI (US)
42AQI (US)
28th March 2026
62AQI (US)
62AQI (US)
29th March 2026
72AQI (US)
72AQI (US)
30th March 2026
43AQI (US)
43AQI (US)
31st March 2026
13AQI (US)
13AQI (US)
1st April 2026
20AQI (US)
20AQI (US)
2nd April 2026
52AQI (US)
52AQI (US)
3rd April 2026
27AQI (US)
27AQI (US)
4th April 2026
19AQI (US)
19AQI (US)
5th April 2026
42AQI (US)
42AQI (US)
6th April 2026
26AQI (US)
26AQI (US)
7th April 2026
29AQI (US)
29AQI (US)
8th April 2026
28AQI (US)
28AQI (US)
9th April 2026
40AQI (US)
40AQI (US)
10th April 2026
42AQI (US)
42AQI (US)
11th April 2026
35AQI (US)
35AQI (US)
12th April 2026
43AQI (US)
43AQI (US)
13th April 2026
24AQI (US)
24AQI (US)
14th April 2026
21AQI (US)
21AQI (US)
15th April 2026
42AQI (US)
42AQI (US)
16th April 2026
28AQI (US)
28AQI (US)
17th April 2026
41AQI (US)
41AQI (US)
18th April 2026
33AQI (US)
33AQI (US)
19th April 2026
38AQI (US)
38AQI (US)
20th April 2026
38AQI (US)
38AQI (US)
21st April 2026
41AQI (US)
41AQI (US)
22nd April 2026
40AQI (US)
40AQI (US)
23rd April 2026
15AQI (US)
15AQI (US)
24th April 2026
19AQI (US)
19AQI (US)
25th April 2026
44AQI (US)
44AQI (US)
26th April 2026
47AQI (US)
47AQI (US)
27th April 2026
52AQI (US)
52AQI (US)
28th April 2026
52AQI (US)
52AQI (US)
29th April 2026
30AQI (US)
30AQI (US)
30th April 2026
17AQI (US)
17AQI (US)
1st May 2026
25AQI (US)
25AQI (US)
2nd May 2026
55AQI (US)
55AQI (US)
3rd May 2026
31AQI (US)
31AQI (US)
4th May 2026
17AQI (US)
17AQI (US)
5th May 2026
27AQI (US)
27AQI (US)
6th May 2026
34AQI (US)
34AQI (US)
7th May 2026
36AQI (US)
36AQI (US)
8th May 2026
29AQI (US)
29AQI (US)
9th May 2026
32AQI (US)
32AQI (US)
10th May 2026
31AQI (US)
31AQI (US)
11th May 2026
27AQI (US)
27AQI (US)
12th May 2026
38AQI (US)
38AQI (US)
13th May 2026
45AQI (US)
45AQI (US)
14th May 2026
38AQI (US)
38AQI (US)
15th May 2026
40AQI (US)
40AQI (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
60AQI (US)
60AQI (US)
21st May 2026
66AQI (US)
66AQI (US)
22nd May 2026
69AQI (US)
69AQI (US)
23rd May 2026
62AQI (US)
62AQI (US)
24th May 2026
64AQI (US)
64AQI (US)
25th May 2026
54AQI (US)
54AQI (US)
26th May 2026
41AQI (US)
41AQI (US)
27th May 2026
23AQI (US)
23AQI (US)
28th May 2026
32AQI (US)
32AQI (US)
29th May 2026
29AQI (US)
29AQI (US)
30th May 2026
35AQI (US)
35AQI (US)
31st May 2026
33AQI (US)
33AQI (US)
1st June 2026
27AQI (US)
27AQI (US)
2nd June 2026
20AQI (US)
20AQI (US)
3rd June 2026
27AQI (US)
27AQI (US)
4th June 2026
24AQI (US)
24AQI (US)
5th June 2026
22AQI (US)
22AQI (US)
6th June 2026
23AQI (US)
23AQI (US)
7th June 2026
20AQI (US)
20AQI (US)
8th June 2026
21AQI (US)
21AQI (US)
9th June 2026
23AQI (US)
23AQI (US)
10th June 2026
22AQI (US)
22AQI (US)
11th June 2026
26AQI (US)
26AQI (US)
12th June 2026
25AQI (US)
25AQI (US)
13th June 2026
28AQI (US)
28AQI (US)
14th June 2026
23AQI (US)
23AQI (US)
15th June 2026
23AQI (US)
23AQI (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
28AQI (US)
28AQI (US)
20th June 2026
22AQI (US)
22AQI (US)
21st June 2026
21AQI (US)
21AQI (US)
22nd June 2026
20AQI (US)
20AQI (US)
23rd June 2026
21AQI (US)
21AQI (US)
24th June 2026
20AQI (US)
20AQI (US)
25th June 2026
26AQI (US)
26AQI (US)
26th June 2026
28AQI (US)
28AQI (US)
27th June 2026
27AQI (US)
27AQI (US)
28th June 2026
32AQI (US)
32AQI (US)
29th June 2026
35AQI (US)
35AQI (US)
30th June 2026
41AQI (US)
41AQI (US)
1st July 2026
30AQI (US)
30AQI (US)
2nd July 2026
15AQI (US)
15AQI (US)
3rd July 2026
32AQI (US)
32AQI (US)
4th July 2026
26AQI (US)
26AQI (US)
5th July 2026
16AQI (US)
16AQI (US)
6th July 2026
23AQI (US)
23AQI (US)
7th July 2026
25AQI (US)
25AQI (US)
8th July 2026
19AQI (US)
19AQI (US)
9th July 2026
20AQI (US)
20AQI (US)
10th July 2026
24AQI (US)
24AQI (US)
11th July 2026
20AQI (US)
20AQI (US)
12th July 2026
26AQI (US)
26AQI (US)
13th July 2026
43AQI (US)
43AQI (US)
14th July 2026
37AQI (US)
37AQI (US)
15th July 2026
17AQI (US)
17AQI (US)
16th July 2026
36AQI (US)
36AQI (US)
17th July 2026
50AQI (US)
50AQI (US)
18th July 2026
74AQI (US)
74AQI (US)
19th July 2026
83AQI (US)
83AQI (US)
20th July 2026
71AQI (US)
71AQI (US)
21st July 2026
98AQI (US)
98AQI (US)
22nd July 2026
81AQI (US)
81AQI (US)
23rd July 2026
73AQI (US)
73AQI (US)
24th July 2026
76AQI (US)
76AQI (US)
25th July 2026
60AQI (US)
60AQI (US)
26th July 2026
31AQI (US)
31AQI (US)
27th July 2026
46AQI (US)
46AQI (US)
28th July 2026
47AQI (US)
47AQI (US)
29th July 2026
27AQI (US)
27AQI (US)
30th July 2026
22AQI (US)
22AQI (US)
31st July 2026
35AQI (US)
35AQI (US)
1st August 2026
38AQI (US)
38AQI (US)
2nd August 2026
52AQI (US)
52AQI (US)
3rd August 2026
53AQI (US)
53AQI (US)
4th August 2026
32AQI (US)
32AQI (US)
5th August 2026
24AQI (US)
24AQI (US)
6th August 2026
27AQI (US)
27AQI (US)
7th August 2026
27AQI (US)
27AQI (US)
8th August 2026
25AQI (US)
25AQI (US)
9th August 2026
27AQI (US)
27AQI (US)
10th August 2026
28AQI (US)
28AQI (US)
11th August 2026
35AQI (US)
35AQI (US)
12th August 2026
22AQI (US)
22AQI (US)
13th August 2026
36AQI (US)
36AQI (US)
14th August 2026
42AQI (US)
42AQI (US)
15th August 2026
16AQI (US)
16AQI (US)
16th August 2026
25AQI (US)
25AQI (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
31AQI (US)
38AQI (US)
45AQI (US)
34AQI (US)
42AQI (US)
25AQI (US)
41AQI (US)
32AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202636AQI (US)
29
2
26
2
19
12
27
3
21
10
30
23
8
14
2
189
39
Highest AQI (US) recorded in
March45AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202543AQI (US)
27
4
26
2
19
12
23
7
24
7
23
7
20
10
1
30
1
30
14
17
19
11
27
4
282
82
1
Highest AQI (US) recorded in
October50AQI (US)
Lowest AQI (US) recorded in
September30AQI (US)
202434AQI (US)
30
26
3
29
2
28
2
29
2
30
31
23
8
26
4
31
28
2
31
342
23
Highest AQI (US) recorded in
May40AQI (US)
Lowest AQI (US) recorded in
July29AQI (US)
202335AQI (US)
27
3
26
2
29
2
25
5
27
4
25
5
30
31
29
1
29
2
28
1
31
337
25
Highest AQI (US) recorded in
April42AQI (US)
Lowest AQI (US) recorded in
August27AQI (US)
202236AQI (US)
28
2
20
1
26
5
27
3
24
7
26
4
21
3
2
1
28
1
27
4
29
1
31
289
32
Highest AQI (US) recorded in
May44AQI (US)
Lowest AQI (US) recorded in
December31AQI (US)
202133AQI (US)
30
28
27
2
21
25
6
23
7
27
4
31
24
6
30
1
29
1
31
326
27
Highest AQI (US) recorded in
May41AQI (US)
Lowest AQI (US) recorded in
January29AQI (US)
202035AQI (US)
11
2
19
2
14
4
22
8
29
2
17
14
19
28
3
30
29
2
218
37
Highest AQI (US) recorded in
August49AQI (US)
Lowest AQI (US) recorded in
December29AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
43AQI (US)Least Polluted Year Recorded
2021(Avg.)
33AQI (US)Miemachi Ichiba's annual 2026 AQI (US) (36) shows an average percentage change of 0.7% (worsened AQI (US)) compared to previous years: 2020 (35), 2021 (33), 2022 (36), 2023 (35), 2024 (34), 2025 (43).
