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
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Aug 2024
65AQILowest AQI recorded on
28th Aug 2023
15AQISame Day Analysis (7th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 46 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 7th Aug - 8th Aug 2025
Miemachi Ichiba, Usuki, Oita, Japan
AQI
Day
Night
.
5 AM7th Aug 2025
7 PM
4 AM8th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
3AM8th Aug
48AQI
Avg. Lowest Time
7PM7th Aug
24AQI
In the last 24 hours,
Miemachi Ichiba's AQI reached its highest point of 48 at 3 AM during the Night, while the lowest point, 24, was recorded at 7 PM during the Night between 7th Aug and 8th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Miemachi Ichiba, Usuki, Oita, Japan
JulAug
09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th
Day
Night
9th Jul 2025715 AMAQI
9th Jul 2025716 AMAQI
9th Jul 2025717 AMAQI
9th Jul 2025718 AMAQI
9th Jul 2025749 AMAQI
9th Jul 20258310 AMAQI
9th Jul 20259011 AMAQI
9th Jul 20259212 PMAQI
9th Jul 2025911 PMAQI
9th Jul 2025842 PMAQI
9th Jul 2025803 PMAQI
9th Jul 2025804 PMAQI
9th Jul 2025865 PMAQI
9th Jul 2025906 PMAQI
9th Jul 2025847 PMAQI
9th Jul 2025818 PMAQI
9th Jul 2025749 PMAQI
9th Jul 20257210 PMAQI
9th Jul 20256811 PMAQI
10th Jul 20256612 AMAQI
10th Jul 2025671 AMAQI
10th Jul 2025712 AMAQI
10th Jul 2025703 AMAQI
10th Jul 2025724 AMAQI
24°C17/33°C
10th Jul 2025735 AMAQI
10th Jul 2025736 AMAQI
10th Jul 2025747 AMAQI
10th Jul 2025728 AMAQI
10th Jul 2025489 AMAQI
10th Jul 20255210 AMAQI
10th Jul 20256011 AMAQI
10th Jul 20256612 PMAQI
10th Jul 2025671 PMAQI
10th Jul 2025602 PMAQI
10th Jul 2025543 PMAQI
10th Jul 2025514 PMAQI
10th Jul 2025505 PMAQI
10th Jul 2025466 PMAQI
10th Jul 2025467 PMAQI
10th Jul 2025488 PMAQI
10th Jul 2025589 PMAQI
10th Jul 20255710 PMAQI
10th Jul 20255711 PMAQI
11th Jul 20255712 AMAQI
11th Jul 2025621 AMAQI
11th Jul 2025692 AMAQI
11th Jul 2025703 AMAQI
11th Jul 2025684 AMAQI
23°C17/32°C
11th Jul 2025685 AMAQI
11th Jul 2025686 AMAQI
11th Jul 2025687 AMAQI
11th Jul 2025698 AMAQI
11th Jul 2025309 AMAQI
11th Jul 20251710 AMAQI
11th Jul 20251711 AMAQI
11th Jul 20251712 PMAQI
11th Jul 2025231 PMAQI
11th Jul 2025242 PMAQI
11th Jul 2025243 PMAQI
11th Jul 2025244 PMAQI
11th Jul 2025265 PMAQI
11th Jul 2025266 PMAQI
11th Jul 2025277 PMAQI
11th Jul 2025368 PMAQI
11th Jul 2025529 PMAQI
11th Jul 20255310 PMAQI
11th Jul 20255211 PMAQI
12th Jul 20255312 AMAQI
12th Jul 2025591 AMAQI
12th Jul 2025662 AMAQI
12th Jul 2025663 AMAQI
12th Jul 2025634 AMAQI
23°C18/30°C
12th Jul 2025605 AMAQI
12th Jul 2025606 AMAQI
12th Jul 2025607 AMAQI
12th Jul 2025608 AMAQI
12th Jul 2025289 AMAQI
12th Jul 20251710 AMAQI
12th Jul 20251911 AMAQI
12th Jul 20251912 PMAQI
12th Jul 2025301 PMAQI
12th Jul 2025342 PMAQI
12th Jul 2025293 PMAQI
12th Jul 2025294 PMAQI
12th Jul 2025275 PMAQI
12th Jul 2025256 PMAQI
12th Jul 2025277 PMAQI
12th Jul 2025368 PMAQI
12th Jul 2025489 PMAQI
12th Jul 20254610 PMAQI
12th Jul 20254811 PMAQI
13th Jul 20254912 AMAQI
13th Jul 2025531 AMAQI
13th Jul 2025612 AMAQI
13th Jul 2025623 AMAQI
13th Jul 2025604 AMAQI
24°C18/32°C
13th Jul 2025575 AMAQI
13th Jul 2025586 AMAQI
13th Jul 2025577 AMAQI
13th Jul 2025578 AMAQI
13th Jul 2025399 AMAQI
13th Jul 20252110 AMAQI
13th Jul 20251711 AMAQI
13th Jul 20252212 PMAQI
13th Jul 2025251 PMAQI
13th Jul 2025242 PMAQI
13th Jul 2025223 PMAQI
13th Jul 2025224 PMAQI
13th Jul 2025205 PMAQI
13th Jul 2025226 PMAQI
13th Jul 2025217 PMAQI
13th Jul 2025318 PMAQI
13th Jul 2025429 PMAQI
13th Jul 20254310 PMAQI
13th Jul 20254311 PMAQI
14th Jul 20254312 AMAQI
14th Jul 2025501 AMAQI
14th Jul 2025562 AMAQI
14th Jul 2025573 AMAQI
14th Jul 2025564 AMAQI
24°C19/31°C
14th Jul 2025545 AMAQI
14th Jul 2025526 AMAQI
14th Jul 2025547 AMAQI
14th Jul 2025538 AMAQI
14th Jul 2025339 AMAQI
14th Jul 20253010 AMAQI
14th Jul 20252511 AMAQI
14th Jul 20252612 PMAQI
14th Jul 2025281 PMAQI
14th Jul 2025242 PMAQI
14th Jul 2025243 PMAQI
14th Jul 2025214 PMAQI
14th Jul 2025195 PMAQI
14th Jul 2025206 PMAQI
14th Jul 2025227 PMAQI
14th Jul 2025308 PMAQI
14th Jul 2025429 PMAQI
14th Jul 20254210 PMAQI
14th Jul 20254311 PMAQI
15th Jul 20254212 AMAQI
15th Jul 2025481 AMAQI
15th Jul 2025542 AMAQI
15th Jul 2025543 AMAQI
15th Jul 2025534 AMAQI
21°C18/26°C
15th Jul 2025515 AMAQI
15th Jul 2025516 AMAQI
15th Jul 2025527 AMAQI
15th Jul 2025528 AMAQI
15th Jul 2025419 AMAQI
15th Jul 20254210 AMAQI
15th Jul 20254611 AMAQI
15th Jul 20254812 PMAQI
15th Jul 2025441 PMAQI
15th Jul 2025412 PMAQI
15th Jul 2025413 PMAQI
15th Jul 2025404 PMAQI
15th Jul 2025465 PMAQI
15th Jul 2025526 PMAQI
15th Jul 2025497 PMAQI
15th Jul 2025528 PMAQI
15th Jul 2025489 PMAQI
15th Jul 20254810 PMAQI
15th Jul 20254511 PMAQI
16th Jul 20254712 AMAQI
16th Jul 2025491 AMAQI
16th Jul 2025522 AMAQI
16th Jul 2025523 AMAQI
16th Jul 2025524 AMAQI
21°C15/30°C
16th Jul 2025515 AMAQI
16th Jul 2025516 AMAQI
16th Jul 2025517 AMAQI
16th Jul 2025528 AMAQI
16th Jul 2025449 AMAQI
16th Jul 20254510 AMAQI
16th Jul 20255011 AMAQI
16th Jul 20255812 PMAQI
16th Jul 2025701 PMAQI
16th Jul 2025742 PMAQI
16th Jul 2025723 PMAQI
16th Jul 2025664 PMAQI
16th Jul 2025525 PMAQI
16th Jul 2025506 PMAQI
16th Jul 2025567 PMAQI
16th Jul 2025558 PMAQI
16th Jul 2025539 PMAQI
16th Jul 20255210 PMAQI
16th Jul 20255111 PMAQI
17th Jul 20255112 AMAQI
17th Jul 2025511 AMAQI
17th Jul 2025512 AMAQI
17th Jul 2025523 AMAQI
17th Jul 2025524 AMAQI
22°C14/30°C
17th Jul 2025525 AMAQI
17th Jul 2025526 AMAQI
17th Jul 2025537 AMAQI
17th Jul 2025528 AMAQI
17th Jul 2025379 AMAQI
17th Jul 20254010 AMAQI
17th Jul 20254711 AMAQI
17th Jul 20254312 PMAQI
17th Jul 2025401 PMAQI
17th Jul 2025412 PMAQI
17th Jul 2025353 PMAQI
17th Jul 2025314 PMAQI
17th Jul 2025305 PMAQI
17th Jul 2025266 PMAQI
17th Jul 2025197 PMAQI
17th Jul 2025278 PMAQI
17th Jul 2025369 PMAQI
17th Jul 20253710 PMAQI
17th Jul 20253611 PMAQI
18th Jul 20253512 AMAQI
18th Jul 2025381 AMAQI
18th Jul 2025462 AMAQI
18th Jul 2025523 AMAQI
18th Jul 2025504 AMAQI
24°C17/33°C
18th Jul 2025515 AMAQI
18th Jul 2025516 AMAQI
18th Jul 2025507 AMAQI
18th Jul 2025518 AMAQI
18th Jul 2025229 AMAQI
18th Jul 20251610 AMAQI
18th Jul 20251811 AMAQI
18th Jul 20251612 PMAQI
18th Jul 2025181 PMAQI
18th Jul 2025182 PMAQI
18th Jul 2025183 PMAQI
18th Jul 2025174 PMAQI
18th Jul 2025185 PMAQI
18th Jul 2025196 PMAQI
18th Jul 2025197 PMAQI
18th Jul 2025268 PMAQI
18th Jul 2025359 PMAQI
18th Jul 20253610 PMAQI
18th Jul 20253711 PMAQI
19th Jul 20253712 AMAQI
19th Jul 2025401 AMAQI
19th Jul 2025482 AMAQI
19th Jul 2025473 AMAQI
19th Jul 2025454 AMAQI
21°C19/25°C
19th Jul 2025435 AMAQI
19th Jul 2025426 AMAQI
19th Jul 2025447 AMAQI
19th Jul 2025428 AMAQI
19th Jul 2025269 AMAQI
19th Jul 20251610 AMAQI
19th Jul 20251711 AMAQI
19th Jul 20251612 PMAQI
19th Jul 2025201 PMAQI
19th Jul 2025202 PMAQI
19th Jul 2025193 PMAQI
19th Jul 2025284 PMAQI
19th Jul 2025205 PMAQI
19th Jul 2025216 PMAQI
19th Jul 2025187 PMAQI
19th Jul 2025238 PMAQI
19th Jul 2025289 PMAQI
19th Jul 20252810 PMAQI
19th Jul 20253011 PMAQI
20th Jul 20253212 AMAQI
20th Jul 2025351 AMAQI
20th Jul 2025452 AMAQI
20th Jul 2025443 AMAQI
20th Jul 2025424 AMAQI
23°C16/31°C
20th Jul 2025405 AMAQI
20th Jul 2025396 AMAQI
20th Jul 2025397 AMAQI
20th Jul 2025398 AMAQI
20th Jul 2025289 AMAQI
20th Jul 20251810 AMAQI
20th Jul 20251811 AMAQI
20th Jul 20251912 PMAQI
20th Jul 2025181 PMAQI
20th Jul 2025182 PMAQI
20th Jul 2025163 PMAQI
20th Jul 2025174 PMAQI
20th Jul 2025175 PMAQI
20th Jul 2025166 PMAQI
20th Jul 2025157 PMAQI
20th Jul 2025208 PMAQI
20th Jul 2025279 PMAQI
20th Jul 20252510 PMAQI
20th Jul 20252711 PMAQI
21st Jul 20252812 AMAQI
21st Jul 2025321 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025403 AMAQI
21st Jul 2025384 AMAQI
23°C17/32°C
21st Jul 2025365 AMAQI
21st Jul 2025366 AMAQI
21st Jul 2025367 AMAQI
21st Jul 2025368 AMAQI
21st Jul 2025229 AMAQI
21st Jul 20251810 AMAQI
21st Jul 20252111 AMAQI
21st Jul 20251812 PMAQI
21st Jul 2025161 PMAQI
21st Jul 2025152 PMAQI
21st Jul 2025163 PMAQI
21st Jul 2025184 PMAQI
21st Jul 2025185 PMAQI
21st Jul 2025186 PMAQI
21st Jul 2025187 PMAQI
21st Jul 2025228 PMAQI
21st Jul 2025259 PMAQI
21st Jul 20252510 PMAQI
21st Jul 20252611 PMAQI
22nd Jul 20252412 AMAQI
22nd Jul 2025311 AMAQI
22nd Jul 2025362 AMAQI
22nd Jul 2025363 AMAQI
22nd Jul 2025344 AMAQI
23°C17/34°C
22nd Jul 2025325 AMAQI
22nd Jul 2025326 AMAQI
22nd Jul 2025327 AMAQI
22nd Jul 2025328 AMAQI
22nd Jul 2025249 AMAQI
22nd Jul 20252410 AMAQI
22nd Jul 20252511 AMAQI
22nd Jul 20252412 PMAQI
22nd Jul 2025221 PMAQI
22nd Jul 2025222 PMAQI
22nd Jul 2025223 PMAQI
22nd Jul 2025204 PMAQI
22nd Jul 2025195 PMAQI
22nd Jul 2025196 PMAQI
22nd Jul 2025217 PMAQI
22nd Jul 2025248 PMAQI
22nd Jul 2025269 PMAQI
22nd Jul 20252610 PMAQI
22nd Jul 20252411 PMAQI
23rd Jul 20252512 AMAQI
23rd Jul 2025281 AMAQI
23rd Jul 2025342 AMAQI
23rd Jul 2025343 AMAQI
23rd Jul 2025344 AMAQI
24°C16/34°C
23rd Jul 2025325 AMAQI
23rd Jul 2025326 AMAQI
23rd Jul 2025327 AMAQI
23rd Jul 2025328 AMAQI
23rd Jul 2025229 AMAQI
23rd Jul 20252010 AMAQI
23rd Jul 20252411 AMAQI
23rd Jul 20252212 PMAQI
23rd Jul 2025201 PMAQI
23rd Jul 2025232 PMAQI
23rd Jul 2025223 PMAQI
23rd Jul 2025224 PMAQI
23rd Jul 2025245 PMAQI
23rd Jul 2025206 PMAQI
23rd Jul 2025177 PMAQI
23rd Jul 2025228 PMAQI
23rd Jul 2025259 PMAQI
23rd Jul 20252510 PMAQI
23rd Jul 20252611 PMAQI
24th Jul 20252512 AMAQI
24th Jul 2025281 AMAQI
24th Jul 2025322 AMAQI
24th Jul 2025333 AMAQI
24th Jul 2025324 AMAQI
24°C16/34°C
24th Jul 2025305 AMAQI
24th Jul 2025306 AMAQI
24th Jul 2025307 AMAQI
24th Jul 2025308 AMAQI
24th Jul 2025229 AMAQI
24th Jul 20251810 AMAQI
24th Jul 20251811 AMAQI
24th Jul 20252212 PMAQI
24th Jul 2025181 PMAQI
24th Jul 2025192 PMAQI
24th Jul 2025203 PMAQI
24th Jul 2025184 PMAQI
24th Jul 2025175 PMAQI
24th Jul 2025166 PMAQI
24th Jul 2025167 PMAQI
24th Jul 2025208 PMAQI
24th Jul 2025239 PMAQI
24th Jul 20252310 PMAQI
24th Jul 20252411 PMAQI
25th Jul 20252312 AMAQI
25th Jul 2025271 AMAQI
25th Jul 2025312 AMAQI
25th Jul 2025313 AMAQI
25th Jul 2025294 AMAQI
24°C17/33°C
25th Jul 2025285 AMAQI
25th Jul 2025286 AMAQI
25th Jul 2025287 AMAQI
25th Jul 2025288 AMAQI
25th Jul 2025209 AMAQI
25th Jul 20251710 AMAQI
25th Jul 20251611 AMAQI
25th Jul 20251812 PMAQI
25th Jul 2025181 PMAQI
25th Jul 2025182 PMAQI
25th Jul 2025163 PMAQI
25th Jul 2025164 PMAQI
25th Jul 2025165 PMAQI
25th Jul 2025176 PMAQI
25th Jul 2025177 PMAQI
25th Jul 2025188 PMAQI
25th Jul 2025229 PMAQI
25th Jul 20252210 PMAQI
25th Jul 20252111 PMAQI
26th Jul 20252312 AMAQI
26th Jul 2025241 AMAQI
26th Jul 2025242 AMAQI
26th Jul 2025293 AMAQI
26th Jul 2025274 AMAQI
23°C18/31°C
26th Jul 2025275 AMAQI
26th Jul 2025266 AMAQI
26th Jul 2025267 AMAQI
26th Jul 2025268 AMAQI
26th Jul 2025179 AMAQI
26th Jul 20251410 AMAQI
26th Jul 20251611 AMAQI
26th Jul 20251612 PMAQI
26th Jul 2025161 PMAQI
26th Jul 2025162 PMAQI
26th Jul 2025163 PMAQI
26th Jul 2025164 PMAQI
26th Jul 2025175 PMAQI
26th Jul 2025166 PMAQI
26th Jul 2025147 PMAQI
26th Jul 2025208 PMAQI
26th Jul 2025229 PMAQI
26th Jul 20252210 PMAQI
26th Jul 20252111 PMAQI
27th Jul 20252112 AMAQI
27th Jul 2025241 AMAQI
27th Jul 2025282 AMAQI
27th Jul 2025273 AMAQI
27th Jul 2025264 AMAQI
23°C18/30°C
27th Jul 2025245 AMAQI
27th Jul 2025266 AMAQI
27th Jul 2025257 AMAQI
27th Jul 2025268 AMAQI
27th Jul 2025199 AMAQI
27th Jul 20251710 AMAQI
27th Jul 20251511 AMAQI
27th Jul 20251712 PMAQI
27th Jul 2025161 PMAQI
27th Jul 2025172 PMAQI
27th Jul 2025203 PMAQI
27th Jul 2025194 PMAQI
27th Jul 2025185 PMAQI
27th Jul 2025216 PMAQI
27th Jul 2025187 PMAQI
27th Jul 2025198 PMAQI
27th Jul 2025239 PMAQI
27th Jul 20252210 PMAQI
27th Jul 20252111 PMAQI
28th Jul 20252112 AMAQI
28th Jul 2025231 AMAQI
28th Jul 2025272 AMAQI
28th Jul 2025273 AMAQI
28th Jul 2025264 AMAQI
23°C18/29°C
28th Jul 2025255 AMAQI
28th Jul 2025246 AMAQI
28th Jul 2025257 AMAQI
28th Jul 2025248 AMAQI
28th Jul 2025199 AMAQI
28th Jul 20252110 AMAQI
28th Jul 20252211 AMAQI
28th Jul 20251912 PMAQI
28th Jul 2025221 PMAQI
28th Jul 2025202 PMAQI
28th Jul 2025213 PMAQI
28th Jul 2025164 PMAQI
28th Jul 2025175 PMAQI
28th Jul 2025206 PMAQI
28th Jul 2025187 PMAQI
28th Jul 2025188 PMAQI
28th Jul 2025229 PMAQI
28th Jul 20252110 PMAQI
28th Jul 20252211 PMAQI
29th Jul 20252212 AMAQI
29th Jul 2025221 AMAQI
29th Jul 2025262 AMAQI
29th Jul 2025263 AMAQI
29th Jul 2025244 AMAQI
23°C17/32°C
29th Jul 2025245 AMAQI
29th Jul 2025236 AMAQI
29th Jul 2025237 AMAQI
29th Jul 2025248 AMAQI
29th Jul 2025189 AMAQI
29th Jul 20251910 AMAQI
29th Jul 20252211 AMAQI
29th Jul 20252312 PMAQI
29th Jul 2025191 PMAQI
29th Jul 2025202 PMAQI
29th Jul 2025183 PMAQI
29th Jul 2025184 PMAQI
29th Jul 2025185 PMAQI
29th Jul 2025176 PMAQI
29th Jul 2025197 PMAQI
29th Jul 2025208 PMAQI
29th Jul 2025209 PMAQI
29th Jul 20252010 PMAQI
29th Jul 20252111 PMAQI
30th Jul 20252312 AMAQI
30th Jul 2025241 AMAQI
30th Jul 2025242 AMAQI
30th Jul 2025243 AMAQI
30th Jul 2025244 AMAQI
24°C16/33°C
30th Jul 2025235 AMAQI
30th Jul 2025246 AMAQI
30th Jul 2025247 AMAQI
30th Jul 2025238 AMAQI
30th Jul 2025209 AMAQI
30th Jul 20251810 AMAQI
30th Jul 20252511 AMAQI
30th Jul 20252812 PMAQI
30th Jul 2025221 PMAQI
30th Jul 2025202 PMAQI
30th Jul 2025183 PMAQI
30th Jul 2025184 PMAQI
30th Jul 2025185 PMAQI
30th Jul 2025176 PMAQI
30th Jul 2025477 PMAQI
30th Jul 2025178 PMAQI
30th Jul 2025209 PMAQI
30th Jul 20252010 PMAQI
30th Jul 20252011 PMAQI
31st Jul 20252112 AMAQI
31st Jul 2025211 AMAQI
31st Jul 2025222 AMAQI
31st Jul 2025233 AMAQI
31st Jul 2025424 AMAQI
23°C15/33°C
31st Jul 2025475 AMAQI
31st Jul 2025476 AMAQI
31st Jul 2025477 AMAQI
31st Jul 2025478 AMAQI
31st Jul 2025479 AMAQI
31st Jul 20254710 AMAQI
31st Jul 20254011 AMAQI
31st Jul 20253312 PMAQI
31st Jul 2025281 PMAQI
31st Jul 2025222 PMAQI
31st Jul 2025203 PMAQI
31st Jul 2025244 PMAQI
31st Jul 2025265 PMAQI
31st Jul 2025286 PMAQI
31st Jul 2025347 PMAQI
31st Jul 2025378 PMAQI
31st Jul 2025379 PMAQI
31st Jul 20253610 PMAQI
31st Jul 20253711 PMAQI
1st Aug 20253212 AMAQI
1st Aug 2025321 AMAQI
1st Aug 2025322 AMAQI
1st Aug 2025283 AMAQI
1st Aug 2025284 AMAQI
24°C15/34°C
1st Aug 2025275 AMAQI
1st Aug 2025286 AMAQI
1st Aug 2025287 AMAQI
1st Aug 2025308 AMAQI
1st Aug 2025489 AMAQI
1st Aug 20254710 AMAQI
1st Aug 20255011 AMAQI
1st Aug 20255812 PMAQI
1st Aug 2025561 PMAQI
1st Aug 2025522 PMAQI
1st Aug 2025513 PMAQI
1st Aug 2025584 PMAQI
1st Aug 2025545 PMAQI
1st Aug 2025576 PMAQI
1st Aug 2025527 PMAQI
1st Aug 2025528 PMAQI
1st Aug 2025479 PMAQI
1st Aug 20254410 PMAQI
1st Aug 20254011 PMAQI
2nd Aug 20254012 AMAQI
2nd Aug 2025371 AMAQI
2nd Aug 2025312 AMAQI
2nd Aug 2025283 AMAQI
2nd Aug 2025334 AMAQI
25°C17/36°C
2nd Aug 2025365 AMAQI
2nd Aug 2025366 AMAQI
2nd Aug 2025377 AMAQI
2nd Aug 2025368 AMAQI
2nd Aug 2025529 AMAQI
2nd Aug 20255410 AMAQI
2nd Aug 20255711 AMAQI
2nd Aug 20255712 PMAQI
2nd Aug 2025561 PMAQI
2nd Aug 2025582 PMAQI
2nd Aug 2025583 PMAQI
2nd Aug 2025524 PMAQI
2nd Aug 2025585 PMAQI
2nd Aug 2025566 PMAQI
2nd Aug 2025547 PMAQI
2nd Aug 2025548 PMAQI
2nd Aug 2025539 PMAQI
2nd Aug 20255210 PMAQI
2nd Aug 20255011 PMAQI
3rd Aug 20254212 AMAQI
3rd Aug 2025401 AMAQI
3rd Aug 2025382 AMAQI
3rd Aug 2025373 AMAQI
3rd Aug 2025404 AMAQI
26°C18/36°C
3rd Aug 2025445 AMAQI
3rd Aug 2025426 AMAQI
3rd Aug 2025437 AMAQI
3rd Aug 2025438 AMAQI
3rd Aug 2025479 AMAQI
3rd Aug 20255310 AMAQI
3rd Aug 20255411 AMAQI
3rd Aug 20255512 PMAQI
3rd Aug 2025591 PMAQI
3rd Aug 2025582 PMAQI
3rd Aug 2025563 PMAQI
3rd Aug 2025644 PMAQI
3rd Aug 2025565 PMAQI
3rd Aug 2025566 PMAQI
3rd Aug 2025617 PMAQI
3rd Aug 2025588 PMAQI
3rd Aug 2025559 PMAQI
3rd Aug 20255210 PMAQI
3rd Aug 20255111 PMAQI
4th Aug 20254912 AMAQI
4th Aug 2025421 AMAQI
4th Aug 2025412 AMAQI
4th Aug 2025413 AMAQI
4th Aug 2025464 AMAQI
25°C18/35°C
4th Aug 2025475 AMAQI
4th Aug 2025486 AMAQI
4th Aug 2025477 AMAQI
4th Aug 2025488 AMAQI
4th Aug 2025499 AMAQI
4th Aug 20254710 AMAQI
4th Aug 20255111 AMAQI
4th Aug 20255612 PMAQI
4th Aug 2025541 PMAQI
4th Aug 2025522 PMAQI
4th Aug 2025463 PMAQI
4th Aug 2025504 PMAQI
4th Aug 2025545 PMAQI
4th Aug 2025596 PMAQI
4th Aug 2025487 PMAQI
4th Aug 2025518 PMAQI
4th Aug 2025549 PMAQI
4th Aug 20254910 PMAQI
4th Aug 20255011 PMAQI
5th Aug 20255212 AMAQI
5th Aug 2025491 AMAQI
5th Aug 2025452 AMAQI
5th Aug 2025433 AMAQI
5th Aug 2025474 AMAQI
24°C17/29°C
5th Aug 2025465 AMAQI
5th Aug 2025446 AMAQI
5th Aug 2025477 AMAQI
5th Aug 2025458 AMAQI
5th Aug 2025439 AMAQI
5th Aug 20254010 AMAQI
5th Aug 20255011 AMAQI
5th Aug 20254412 PMAQI
5th Aug 2025511 PMAQI
5th Aug 2025532 PMAQI
5th Aug 2025513 PMAQI
5th Aug 2025524 PMAQI
5th Aug 2025495 PMAQI
5th Aug 2025466 PMAQI
5th Aug 2025517 PMAQI
5th Aug 2025518 PMAQI
5th Aug 2025469 PMAQI
5th Aug 20254810 PMAQI
5th Aug 20254211 PMAQI
6th Aug 20254512 AMAQI
6th Aug 2025491 AMAQI
6th Aug 2025482 AMAQI
6th Aug 2025493 AMAQI
6th Aug 2025504 AMAQI
25°C19/33°C
6th Aug 2025485 AMAQI
6th Aug 2025486 AMAQI
6th Aug 2025507 AMAQI
6th Aug 2025468 AMAQI
6th Aug 2025309 AMAQI
6th Aug 20253710 AMAQI
6th Aug 20253711 AMAQI
6th Aug 20254212 PMAQI
6th Aug 2025431 PMAQI
6th Aug 2025362 PMAQI
6th Aug 2025423 PMAQI
6th Aug 2025424 PMAQI
6th Aug 2025515 PMAQI
6th Aug 2025496 PMAQI
6th Aug 2025517 PMAQI
6th Aug 2025528 PMAQI
6th Aug 2025499 PMAQI
6th Aug 20254710 PMAQI
6th Aug 20254911 PMAQI
7th Aug 20254812 AMAQI
7th Aug 2025481 AMAQI
7th Aug 2025462 AMAQI
7th Aug 2025473 AMAQI
7th Aug 2025444 AMAQI
25°C18/32°C
7th Aug 2025465 AMAQI
7th Aug 2025456 AMAQI
7th Aug 2025457 AMAQI
7th Aug 2025448 AMAQI
7th Aug 2025359 AMAQI
7th Aug 20253510 AMAQI
7th Aug 20253811 AMAQI
7th Aug 20254612 PMAQI
7th Aug 2025451 PMAQI
7th Aug 2025392 PMAQI
7th Aug 2025283 PMAQI
7th Aug 2025284 PMAQI
7th Aug 2025265 PMAQI
7th Aug 2025256 PMAQI
7th Aug 2025247 PMAQI
7th Aug 2025288 PMAQI
7th Aug 2025379 PMAQI
7th Aug 20253910 PMAQI
7th Aug 20254111 PMAQI
8th Aug 20254412 AMAQI
8th Aug 2025461 AMAQI
8th Aug 2025472 AMAQI
8th Aug 2025483 AMAQI
8th Aug 2025464 AMAQI
--°C/°C
8th Aug 2025465 AMAQI
5 AM8th Aug 2025466 AMAQI
8th Aug 2025467 AMAQI
8th Aug 2025448 AMAQI
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 AM
43AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
10 AM
31AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 43), while the lowest AQI was between 10 AM to 10 AM (Avg. 31).
Night time
Avg. Highest Time
2 AM - 4 AM
44AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
8 PM
35AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 4 AM (Avg. 44), while the lowest AQI was between 8 PM to 8 PM (Avg. 35).
2025 Days Vs Air Quality
Miemachi Ichiba, Usuki, Oita, Japan
2025
77%
169
22%
49
0.4%
1
Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)
Good
169 DaysModerate
49 DaysPoor
1 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 77%
Health Risk Level:
Low
In 2025, 77% of 219 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 2025
AQI
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.
1st January 2025
30AQI
30AQI
2nd January 2025
36AQI
36AQI
3rd January 2025
34AQI
34AQI
4th January 2025
34AQI
34AQI
5th January 2025
31AQI
31AQI
6th January 2025
35AQI
35AQI
7th January 2025
33AQI
33AQI
8th January 2025
35AQI
35AQI
9th January 2025
30AQI
30AQI
10th January 2025
30AQI
30AQI
11th January 2025
27AQI
27AQI
12th January 2025
33AQI
33AQI
13th January 2025
42AQI
42AQI
14th January 2025
41AQI
41AQI
15th January 2025
39AQI
39AQI
16th January 2025
37AQI
37AQI
17th January 2025
40AQI
40AQI
18th January 2025
37AQI
37AQI
19th January 2025
42AQI
42AQI
20th January 2025
38AQI
38AQI
21st January 2025
57AQI
57AQI
22nd January 2025
55AQI
55AQI
23rd January 2025
61AQI
61AQI
24th January 2025
63AQI
63AQI
25th January 2025
45AQI
45AQI
26th January 2025
40AQI
40AQI
27th January 2025
34AQI
34AQI
28th January 2025
35AQI
35AQI
29th January 2025
32AQI
32AQI
30th January 2025
36AQI
36AQI
31st January 2025
41AQI
41AQI
1st February 2025
41AQI
41AQI
2nd February 2025
33AQI
33AQI
3rd February 2025
40AQI
40AQI
4th February 2025
32AQI
32AQI
5th February 2025
37AQI
37AQI
6th February 2025
31AQI
31AQI
7th February 2025
33AQI
33AQI
8th February 2025
31AQI
31AQI
9th February 2025
30AQI
30AQI
10th February 2025
34AQI
34AQI
11th February 2025
37AQI
37AQI
12th February 2025
38AQI
38AQI
13th February 2025
32AQI
32AQI
14th February 2025
38AQI
38AQI
15th February 2025
32AQI
32AQI
16th February 2025
45AQI
45AQI
17th February 2025
42AQI
42AQI
18th February 2025
37AQI
37AQI
19th February 2025
36AQI
36AQI
20th February 2025
33AQI
33AQI
21st February 2025
34AQI
34AQI
22nd February 2025
39AQI
39AQI
23rd February 2025
40AQI
40AQI
24th February 2025
36AQI
36AQI
25th February 2025
37AQI
37AQI
26th February 2025
38AQI
38AQI
27th February 2025
57AQI
57AQI
28th February 2025
55AQI
55AQI
1st March 2025
69AQI
69AQI
2nd March 2025
63AQI
63AQI
3rd March 2025
47AQI
47AQI
4th March 2025
35AQI
35AQI
5th March 2025
34AQI
34AQI
6th March 2025
35AQI
35AQI
7th March 2025
33AQI
33AQI
8th March 2025
40AQI
40AQI
9th March 2025
40AQI
40AQI
10th March 2025
43AQI
43AQI
11th March 2025
44AQI
44AQI
12th March 2025
47AQI
47AQI
13th March 2025
57AQI
57AQI
14th March 2025
39AQI
39AQI
15th March 2025
38AQI
38AQI
16th March 2025
27AQI
27AQI
17th March 2025
49AQI
49AQI
18th March 2025
37AQI
37AQI
19th March 2025
42AQI
42AQI
20th March 2025
46AQI
46AQI
21st March 2025
56AQI
56AQI
22nd March 2025
59AQI
59AQI
23rd March 2025
64AQI
64AQI
24th March 2025
53AQI
53AQI
25th March 2025
71AQI
71AQI
26th March 2025
68AQI
68AQI
27th March 2025
55AQI
55AQI
28th March 2025
59AQI
59AQI
29th March 2025
51AQI
51AQI
30th March 2025
41AQI
41AQI
31st March 2025
40AQI
40AQI
1st April 2025
42AQI
42AQI
2nd April 2025
34AQI
34AQI
3rd April 2025
32AQI
32AQI
4th April 2025
35AQI
35AQI
5th April 2025
41AQI
41AQI
6th April 2025
46AQI
46AQI
7th April 2025
41AQI
41AQI
8th April 2025
34AQI
34AQI
9th April 2025
55AQI
55AQI
10th April 2025
48AQI
48AQI
11th April 2025
57AQI
57AQI
12th April 2025
55AQI
55AQI
13th April 2025
44AQI
44AQI
14th April 2025
51AQI
51AQI
15th April 2025
29AQI
29AQI
16th April 2025
50AQI
50AQI
17th April 2025
45AQI
45AQI
18th April 2025
52AQI
52AQI
19th April 2025
51AQI
51AQI
20th April 2025
38AQI
38AQI
21st April 2025
45AQI
45AQI
22nd April 2025
32AQI
32AQI
23rd April 2025
30AQI
30AQI
24th April 2025
35AQI
35AQI
25th April 2025
52AQI
52AQI
26th April 2025
44AQI
44AQI
27th April 2025
50AQI
50AQI
28th April 2025
49AQI
49AQI
29th April 2025
50AQI
50AQI
30th April 2025
50AQI
50AQI
1st May 2025
45AQI
45AQI
2nd May 2025
39AQI
39AQI
3rd May 2025
49AQI
49AQI
4th May 2025
38AQI
38AQI
5th May 2025
40AQI
40AQI
6th May 2025
38AQI
38AQI
7th May 2025
36AQI
36AQI
8th May 2025
42AQI
42AQI
9th May 2025
29AQI
29AQI
10th May 2025
40AQI
40AQI
11th May 2025
36AQI
36AQI
12th May 2025
51AQI
51AQI
13th May 2025
55AQI
55AQI
14th May 2025
59AQI
59AQI
15th May 2025
56AQI
56AQI
16th May 2025
53AQI
53AQI
17th May 2025
39AQI
39AQI
18th May 2025
49AQI
49AQI
19th May 2025
58AQI
58AQI
20th May 2025
59AQI
59AQI
21st May 2025
39AQI
39AQI
22nd May 2025
42AQI
42AQI
23rd May 2025
47AQI
47AQI
24th May 2025
30AQI
30AQI
25th May 2025
32AQI
32AQI
26th May 2025
33AQI
33AQI
27th May 2025
41AQI
41AQI
28th May 2025
40AQI
40AQI
29th May 2025
36AQI
36AQI
30th May 2025
40AQI
40AQI
31st May 2025
40AQI
40AQI
1st June 2025
48AQI
48AQI
2nd June 2025
48AQI
48AQI
3rd June 2025
31AQI
31AQI
4th June 2025
42AQI
42AQI
5th June 2025
44AQI
44AQI
6th June 2025
55AQI
55AQI
7th June 2025
63AQI
63AQI
8th June 2025
56AQI
56AQI
9th June 2025
33AQI
33AQI
10th June 2025
31AQI
31AQI
11th June 2025
42AQI
42AQI
12th June 2025
44AQI
44AQI
13th June 2025
46AQI
46AQI
14th June 2025
34AQI
34AQI
15th June 2025
29AQI
29AQI
16th June 2025
28AQI
28AQI
17th June 2025
33AQI
33AQI
18th June 2025
37AQI
37AQI
19th June 2025
45AQI
45AQI
20th June 2025
54AQI
54AQI
21st June 2025
54AQI
54AQI
22nd June 2025
52AQI
52AQI
23rd June 2025
36AQI
36AQI
24th June 2025
41AQI
41AQI
25th June 2025
43AQI
43AQI
26th June 2025
35AQI
35AQI
27th June 2025
44AQI
44AQI
28th June 2025
45AQI
45AQI
29th June 2025
50AQI
50AQI
30th June 2025
52AQI
52AQI
1st July 2025
66AQI
66AQI
2nd July 2025
92AQI
92AQI
3rd July 2025
97AQI
97AQI
4th July 2025
106AQI
106AQI
5th July 2025
94AQI
94AQI
6th July 2025
69AQI
69AQI
7th July 2025
66AQI
66AQI
8th July 2025
70AQI
70AQI
9th July 2025
78AQI
78AQI
10th July 2025
61AQI
61AQI
11th July 2025
45AQI
45AQI
12th July 2025
43AQI
43AQI
13th July 2025
39AQI
39AQI
14th July 2025
38AQI
38AQI
15th July 2025
48AQI
48AQI
16th July 2025
54AQI
54AQI
17th July 2025
41AQI
41AQI
18th July 2025
32AQI
32AQI
19th July 2025
30AQI
30AQI
20th July 2025
28AQI
28AQI
21st July 2025
26AQI
26AQI
22nd July 2025
27AQI
27AQI
23rd July 2025
26AQI
26AQI
24th July 2025
24AQI
24AQI
25th July 2025
22AQI
22AQI
26th July 2025
21AQI
21AQI
27th July 2025
21AQI
21AQI
28th July 2025
22AQI
22AQI
29th July 2025
21AQI
21AQI
30th July 2025
23AQI
23AQI
31st July 2025
34AQI
34AQI
1st August 2025
42AQI
42AQI
2nd August 2025
47AQI
47AQI
3rd August 2025
50AQI
50AQI
4th August 2025
49AQI
49AQI
5th August 2025
47AQI
47AQI
6th August 2025
45AQI
45AQI
7th August 2025
46AQI
46AQI
39AQI
37AQI
48AQI
44AQI
43AQI
43AQI
47AQI
47AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202543AQI
27
4
26
2
19
12
23
7
24
7
23
7
20
10
1
7
169
49
1
Highest AQI recorded in
March48AQI
Lowest AQI recorded in
February37AQI
202434AQI
31
26
3
29
2
28
2
29
2
30
31
23
8
26
4
31
28
2
31
343
23
Highest AQI recorded in
May40AQI
Lowest AQI recorded in
July29AQI
202335AQI
28
3
26
2
29
2
25
5
27
4
25
5
30
31
29
1
29
2
28
1
31
338
25
Highest AQI recorded in
April42AQI
Lowest AQI recorded in
August27AQI
202236AQI
29
2
20
1
26
5
27
3
24
7
26
4
21
3
2
1
28
1
27
4
29
1
31
290
32
Highest AQI recorded in
May44AQI
Lowest AQI recorded in
December31AQI
202133AQI
31
28
27
2
21
25
6
23
7
27
4
31
24
6
30
1
29
1
31
327
27
Highest AQI recorded in
May41AQI
Lowest AQI recorded in
January29AQI
202035AQI
11
2
19
2
14
4
22
8
29
2
17
14
19
28
3
30
29
2
218
37
Highest AQI recorded in
August49AQI
Lowest AQI recorded in
December29AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
43AQILeast Polluted Year Recorded
2021(Avg.)
33AQIMiemachi Ichiba's annual 2025 AQI (43) shows an average percentage change of 24.6% (worsened AQI) compared to previous years: 2020 (35), 2021 (33), 2022 (36), 2023 (35), 2024 (34).
