Yumi, Waki, Yamaguchi, 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
Yumi, Waki, Yamaguchi, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
2nd Aug 2021
64AQILowest AQI recorded on
29th Aug 2024
13AQISame Day Analysis (6th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 46 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Yumi, Waki, Yamaguchi, Japan
AQI
Day
Night
.
5 AM6th Aug 2025
7 PM
4 AM7th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
6PM6th Aug
52AQI
Avg. Lowest Time
10AM6th Aug
30AQI
In the last 24 hours,
Yumi's AQI reached its highest point of 52 at 6 PM during the Night, while the lowest point, 30, was recorded at 10 AM during the Night between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Yumi, Waki, Yamaguchi, Japan
JulAug
08th - 09th09th - 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
Day
Night
8th Jul 2025725 AMAQI
8th Jul 2025746 AMAQI
8th Jul 2025727 AMAQI
8th Jul 2025728 AMAQI
8th Jul 2025449 AMAQI
8th Jul 20254410 AMAQI
8th Jul 20253711 AMAQI
8th Jul 20255312 PMAQI
8th Jul 2025631 PMAQI
8th Jul 2025622 PMAQI
8th Jul 2025623 PMAQI
8th Jul 2025684 PMAQI
8th Jul 2025685 PMAQI
8th Jul 2025716 PMAQI
8th Jul 2025727 PMAQI
8th Jul 2025738 PMAQI
8th Jul 2025739 PMAQI
8th Jul 20257410 PMAQI
8th Jul 20257111 PMAQI
9th Jul 20257012 AMAQI
9th Jul 2025711 AMAQI
9th Jul 2025742 AMAQI
9th Jul 2025743 AMAQI
9th Jul 2025724 AMAQI
26°C23/30°C
9th Jul 2025715 AMAQI
9th Jul 2025716 AMAQI
9th Jul 2025717 AMAQI
9th Jul 2025718 AMAQI
9th Jul 2025639 AMAQI
9th Jul 20255010 AMAQI
9th Jul 20255211 AMAQI
9th Jul 20255812 PMAQI
9th Jul 2025571 PMAQI
9th Jul 2025512 PMAQI
9th Jul 2025483 PMAQI
9th Jul 2025584 PMAQI
9th Jul 2025535 PMAQI
9th Jul 2025556 PMAQI
9th Jul 2025567 PMAQI
9th Jul 2025588 PMAQI
9th Jul 2025689 PMAQI
9th Jul 20256510 PMAQI
9th Jul 20256811 PMAQI
10th Jul 20257012 AMAQI
10th Jul 2025771 AMAQI
10th Jul 2025722 AMAQI
10th Jul 2025723 AMAQI
10th Jul 2025714 AMAQI
26°C23/30°C
10th Jul 2025695 AMAQI
10th Jul 2025696 AMAQI
10th Jul 2025707 AMAQI
10th Jul 2025688 AMAQI
10th Jul 2025669 AMAQI
10th Jul 20256310 AMAQI
10th Jul 20257211 AMAQI
10th Jul 20259412 PMAQI
10th Jul 2025961 PMAQI
10th Jul 20251002 PMAQI
10th Jul 20251013 PMAQI
10th Jul 20251014 PMAQI
10th Jul 2025985 PMAQI
10th Jul 20251006 PMAQI
10th Jul 20251007 PMAQI
10th Jul 2025928 PMAQI
10th Jul 2025789 PMAQI
10th Jul 20257810 PMAQI
10th Jul 20257711 PMAQI
11th Jul 20257712 AMAQI
11th Jul 2025751 AMAQI
11th Jul 2025702 AMAQI
11th Jul 2025703 AMAQI
11th Jul 2025724 AMAQI
26°C23/30°C
11th Jul 2025745 AMAQI
11th Jul 2025746 AMAQI
11th Jul 2025747 AMAQI
11th Jul 2025748 AMAQI
11th Jul 2025669 AMAQI
11th Jul 20255210 AMAQI
11th Jul 20254911 AMAQI
11th Jul 20255812 PMAQI
11th Jul 2025541 PMAQI
11th Jul 2025642 PMAQI
11th Jul 2025523 PMAQI
11th Jul 2025504 PMAQI
11th Jul 2025465 PMAQI
11th Jul 2025356 PMAQI
11th Jul 2025347 PMAQI
11th Jul 2025468 PMAQI
11th Jul 2025619 PMAQI
11th Jul 20256210 PMAQI
11th Jul 20256111 PMAQI
12th Jul 20256212 AMAQI
12th Jul 2025671 AMAQI
12th Jul 2025722 AMAQI
12th Jul 2025723 AMAQI
12th Jul 2025724 AMAQI
26°C23/29°C
12th Jul 2025705 AMAQI
12th Jul 2025716 AMAQI
12th Jul 2025707 AMAQI
12th Jul 2025718 AMAQI
12th Jul 2025429 AMAQI
12th Jul 20253410 AMAQI
12th Jul 20253611 AMAQI
12th Jul 20254612 PMAQI
12th Jul 2025561 PMAQI
12th Jul 2025542 PMAQI
12th Jul 2025523 PMAQI
12th Jul 2025494 PMAQI
12th Jul 2025405 PMAQI
12th Jul 2025416 PMAQI
12th Jul 2025367 PMAQI
12th Jul 2025428 PMAQI
12th Jul 2025599 PMAQI
12th Jul 20255810 PMAQI
12th Jul 20255811 PMAQI
13th Jul 20255912 AMAQI
13th Jul 2025621 AMAQI
13th Jul 2025692 AMAQI
13th Jul 2025693 AMAQI
13th Jul 2025684 AMAQI
26°C23/29°C
13th Jul 2025655 AMAQI
13th Jul 2025666 AMAQI
13th Jul 2025657 AMAQI
13th Jul 2025668 AMAQI
13th Jul 2025489 AMAQI
13th Jul 20252810 AMAQI
13th Jul 20252811 AMAQI
13th Jul 20253712 PMAQI
13th Jul 2025531 PMAQI
13th Jul 2025562 PMAQI
13th Jul 2025493 PMAQI
13th Jul 2025474 PMAQI
13th Jul 2025465 PMAQI
13th Jul 2025446 PMAQI
13th Jul 2025457 PMAQI
13th Jul 2025488 PMAQI
13th Jul 2025549 PMAQI
13th Jul 20255410 PMAQI
13th Jul 20255411 PMAQI
14th Jul 20255412 AMAQI
14th Jul 2025591 AMAQI
14th Jul 2025652 AMAQI
14th Jul 2025643 AMAQI
14th Jul 2025634 AMAQI
26°C24/29°C
14th Jul 2025625 AMAQI
14th Jul 2025626 AMAQI
14th Jul 2025617 AMAQI
14th Jul 2025618 AMAQI
14th Jul 2025289 AMAQI
14th Jul 20251710 AMAQI
14th Jul 20251711 AMAQI
14th Jul 20251812 PMAQI
14th Jul 2025231 PMAQI
14th Jul 2025222 PMAQI
14th Jul 2025213 PMAQI
14th Jul 2025204 PMAQI
14th Jul 2025205 PMAQI
14th Jul 2025216 PMAQI
14th Jul 2025227 PMAQI
14th Jul 2025318 PMAQI
14th Jul 2025509 PMAQI
14th Jul 20254910 PMAQI
14th Jul 20255111 PMAQI
15th Jul 20255012 AMAQI
15th Jul 2025561 AMAQI
15th Jul 2025602 AMAQI
15th Jul 2025613 AMAQI
15th Jul 2025594 AMAQI
24°C20/27°C
15th Jul 2025575 AMAQI
15th Jul 2025576 AMAQI
15th Jul 2025577 AMAQI
15th Jul 2025578 AMAQI
15th Jul 2025319 AMAQI
15th Jul 20252410 AMAQI
15th Jul 20252411 AMAQI
15th Jul 20253012 PMAQI
15th Jul 2025421 PMAQI
15th Jul 2025372 PMAQI
15th Jul 2025463 PMAQI
15th Jul 2025444 PMAQI
15th Jul 2025515 PMAQI
15th Jul 2025456 PMAQI
15th Jul 2025557 PMAQI
15th Jul 2025528 PMAQI
15th Jul 2025549 PMAQI
15th Jul 20255410 PMAQI
15th Jul 20255411 PMAQI
16th Jul 20255612 AMAQI
16th Jul 2025581 AMAQI
16th Jul 2025562 AMAQI
16th Jul 2025573 AMAQI
16th Jul 2025554 AMAQI
24°C21/29°C
16th Jul 2025545 AMAQI
16th Jul 2025546 AMAQI
16th Jul 2025547 AMAQI
16th Jul 2025548 AMAQI
16th Jul 2025419 AMAQI
16th Jul 20254210 AMAQI
16th Jul 20253211 AMAQI
16th Jul 20255212 PMAQI
16th Jul 2025531 PMAQI
16th Jul 2025522 PMAQI
16th Jul 2025553 PMAQI
16th Jul 2025564 PMAQI
16th Jul 2025485 PMAQI
16th Jul 2025516 PMAQI
16th Jul 2025517 PMAQI
16th Jul 2025448 PMAQI
16th Jul 2025529 PMAQI
16th Jul 20255210 PMAQI
16th Jul 20255411 PMAQI
17th Jul 20255412 AMAQI
17th Jul 2025571 AMAQI
17th Jul 2025552 AMAQI
17th Jul 2025553 AMAQI
17th Jul 2025554 AMAQI
25°C22/29°C
17th Jul 2025555 AMAQI
17th Jul 2025556 AMAQI
17th Jul 2025557 AMAQI
17th Jul 2025558 AMAQI
17th Jul 2025569 AMAQI
17th Jul 20255710 AMAQI
17th Jul 20255611 AMAQI
17th Jul 20255212 PMAQI
17th Jul 2025491 PMAQI
17th Jul 2025462 PMAQI
17th Jul 2025433 PMAQI
17th Jul 2025514 PMAQI
17th Jul 2025575 PMAQI
17th Jul 2025476 PMAQI
17th Jul 2025327 PMAQI
17th Jul 2025318 PMAQI
17th Jul 2025449 PMAQI
17th Jul 20254310 PMAQI
17th Jul 20254411 PMAQI
18th Jul 20254612 AMAQI
18th Jul 2025491 AMAQI
18th Jul 2025542 AMAQI
18th Jul 2025553 AMAQI
18th Jul 2025554 AMAQI
25°C23/28°C
18th Jul 2025545 AMAQI
18th Jul 2025546 AMAQI
18th Jul 2025547 AMAQI
18th Jul 2025558 AMAQI
18th Jul 2025249 AMAQI
18th Jul 20251210 AMAQI
18th Jul 20251311 AMAQI
18th Jul 20251612 PMAQI
18th Jul 2025201 PMAQI
18th Jul 2025212 PMAQI
18th Jul 2025213 PMAQI
18th Jul 2025194 PMAQI
18th Jul 2025185 PMAQI
18th Jul 2025276 PMAQI
18th Jul 2025237 PMAQI
18th Jul 2025298 PMAQI
18th Jul 2025389 PMAQI
18th Jul 20253910 PMAQI
18th Jul 20253811 PMAQI
19th Jul 20254012 AMAQI
19th Jul 2025481 AMAQI
19th Jul 2025532 AMAQI
19th Jul 2025533 AMAQI
19th Jul 2025514 AMAQI
24°C23/25°C
19th Jul 2025485 AMAQI
19th Jul 2025486 AMAQI
19th Jul 2025487 AMAQI
19th Jul 2025488 AMAQI
19th Jul 2025279 AMAQI
19th Jul 20251910 AMAQI
19th Jul 20251611 AMAQI
19th Jul 20251812 PMAQI
19th Jul 2025201 PMAQI
19th Jul 2025222 PMAQI
19th Jul 2025223 PMAQI
19th Jul 2025244 PMAQI
19th Jul 2025245 PMAQI
19th Jul 2025206 PMAQI
19th Jul 2025187 PMAQI
19th Jul 2025268 PMAQI
19th Jul 2025369 PMAQI
19th Jul 20253410 PMAQI
19th Jul 20253511 PMAQI
20th Jul 20253512 AMAQI
20th Jul 2025421 AMAQI
20th Jul 2025492 AMAQI
20th Jul 2025503 AMAQI
20th Jul 2025484 AMAQI
25°C23/28°C
20th Jul 2025455 AMAQI
20th Jul 2025456 AMAQI
20th Jul 2025457 AMAQI
20th Jul 2025448 AMAQI
20th Jul 2025319 AMAQI
20th Jul 20252110 AMAQI
20th Jul 20251811 AMAQI
20th Jul 20252312 PMAQI
20th Jul 2025211 PMAQI
20th Jul 2025222 PMAQI
20th Jul 2025183 PMAQI
20th Jul 2025224 PMAQI
20th Jul 2025255 PMAQI
20th Jul 2025276 PMAQI
20th Jul 2025197 PMAQI
20th Jul 2025238 PMAQI
20th Jul 2025309 PMAQI
20th Jul 20253010 PMAQI
20th Jul 20253111 PMAQI
21st Jul 20253212 AMAQI
21st Jul 2025371 AMAQI
21st Jul 2025452 AMAQI
21st Jul 2025453 AMAQI
21st Jul 2025434 AMAQI
26°C23/29°C
21st Jul 2025405 AMAQI
21st Jul 2025406 AMAQI
21st Jul 2025417 AMAQI
21st Jul 2025408 AMAQI
21st Jul 2025249 AMAQI
21st Jul 20252210 AMAQI
21st Jul 20252211 AMAQI
21st Jul 20252012 PMAQI
21st Jul 2025181 PMAQI
21st Jul 2025182 PMAQI
21st Jul 2025193 PMAQI
21st Jul 2025164 PMAQI
21st Jul 2025165 PMAQI
21st Jul 2025186 PMAQI
21st Jul 2025167 PMAQI
21st Jul 2025198 PMAQI
21st Jul 2025269 PMAQI
21st Jul 20252810 PMAQI
21st Jul 20252611 PMAQI
22nd Jul 20252612 AMAQI
22nd Jul 2025331 AMAQI
22nd Jul 2025402 AMAQI
22nd Jul 2025403 AMAQI
22nd Jul 2025394 AMAQI
26°C23/30°C
22nd Jul 2025365 AMAQI
22nd Jul 2025376 AMAQI
22nd Jul 2025377 AMAQI
22nd Jul 2025368 AMAQI
22nd Jul 2025229 AMAQI
22nd Jul 20252110 AMAQI
22nd Jul 20251611 AMAQI
22nd Jul 20252412 PMAQI
22nd Jul 2025231 PMAQI
22nd Jul 2025202 PMAQI
22nd Jul 2025193 PMAQI
22nd Jul 2025204 PMAQI
22nd Jul 2025225 PMAQI
22nd Jul 2025176 PMAQI
22nd Jul 2025187 PMAQI
22nd Jul 2025238 PMAQI
22nd Jul 2025289 PMAQI
22nd Jul 20252810 PMAQI
22nd Jul 20252711 PMAQI
23rd Jul 20252912 AMAQI
23rd Jul 2025331 AMAQI
23rd Jul 2025362 AMAQI
23rd Jul 2025363 AMAQI
23rd Jul 2025344 AMAQI
26°C23/30°C
23rd Jul 2025345 AMAQI
23rd Jul 2025346 AMAQI
23rd Jul 2025337 AMAQI
23rd Jul 2025348 AMAQI
23rd Jul 2025209 AMAQI
23rd Jul 20251610 AMAQI
23rd Jul 20252111 AMAQI
23rd Jul 20252512 PMAQI
23rd Jul 2025241 PMAQI
23rd Jul 2025222 PMAQI
23rd Jul 2025213 PMAQI
23rd Jul 2025224 PMAQI
23rd Jul 2025265 PMAQI
23rd Jul 2025216 PMAQI
23rd Jul 2025307 PMAQI
23rd Jul 2025348 PMAQI
23rd Jul 2025359 PMAQI
23rd Jul 20253310 PMAQI
23rd Jul 20252811 PMAQI
24th Jul 20252812 AMAQI
24th Jul 2025331 AMAQI
24th Jul 2025342 AMAQI
24th Jul 2025343 AMAQI
24th Jul 2025344 AMAQI
26°C23/30°C
24th Jul 2025325 AMAQI
24th Jul 2025326 AMAQI
24th Jul 2025327 AMAQI
24th Jul 2025328 AMAQI
24th Jul 2025319 AMAQI
24th Jul 20253810 AMAQI
24th Jul 20254411 AMAQI
24th Jul 20255712 PMAQI
24th Jul 2025461 PMAQI
24th Jul 2025522 PMAQI
24th Jul 2025483 PMAQI
24th Jul 2025584 PMAQI
24th Jul 2025545 PMAQI
24th Jul 2025546 PMAQI
24th Jul 2025517 PMAQI
24th Jul 2025408 PMAQI
24th Jul 2025339 PMAQI
24th Jul 20252910 PMAQI
24th Jul 20252711 PMAQI
25th Jul 20252812 AMAQI
25th Jul 2025291 AMAQI
25th Jul 2025332 AMAQI
25th Jul 2025333 AMAQI
25th Jul 2025344 AMAQI
26°C23/30°C
25th Jul 2025355 AMAQI
25th Jul 2025366 AMAQI
25th Jul 2025367 AMAQI
25th Jul 2025358 AMAQI
25th Jul 2025269 AMAQI
25th Jul 20252310 AMAQI
25th Jul 20252611 AMAQI
25th Jul 20253412 PMAQI
25th Jul 2025281 PMAQI
25th Jul 2025242 PMAQI
25th Jul 2025173 PMAQI
25th Jul 2025204 PMAQI
25th Jul 2025195 PMAQI
25th Jul 2025206 PMAQI
25th Jul 2025267 PMAQI
25th Jul 2025238 PMAQI
25th Jul 2025289 PMAQI
25th Jul 20253010 PMAQI
25th Jul 20252711 PMAQI
26th Jul 20253112 AMAQI
26th Jul 2025341 AMAQI
26th Jul 2025332 AMAQI
26th Jul 2025323 AMAQI
26th Jul 2025324 AMAQI
27°C24/30°C
26th Jul 2025325 AMAQI
26th Jul 2025326 AMAQI
26th Jul 2025327 AMAQI
26th Jul 2025328 AMAQI
26th Jul 2025199 AMAQI
26th Jul 20251610 AMAQI
26th Jul 20251611 AMAQI
26th Jul 20251612 PMAQI
26th Jul 2025221 PMAQI
26th Jul 2025202 PMAQI
26th Jul 2025223 PMAQI
26th Jul 2025184 PMAQI
26th Jul 2025175 PMAQI
26th Jul 2025146 PMAQI
26th Jul 2025157 PMAQI
26th Jul 2025208 PMAQI
26th Jul 2025249 PMAQI
26th Jul 20252210 PMAQI
26th Jul 20252311 PMAQI
27th Jul 20252212 AMAQI
27th Jul 2025281 AMAQI
27th Jul 2025322 AMAQI
27th Jul 2025323 AMAQI
27th Jul 2025324 AMAQI
27°C24/30°C
27th Jul 2025305 AMAQI
27th Jul 2025306 AMAQI
27th Jul 2025307 AMAQI
27th Jul 2025308 AMAQI
27th Jul 2025239 AMAQI
27th Jul 20251810 AMAQI
27th Jul 20251611 AMAQI
27th Jul 20251912 PMAQI
27th Jul 2025181 PMAQI
27th Jul 2025162 PMAQI
27th Jul 2025163 PMAQI
27th Jul 2025174 PMAQI
27th Jul 2025185 PMAQI
27th Jul 2025186 PMAQI
27th Jul 2025167 PMAQI
27th Jul 2025208 PMAQI
27th Jul 2025269 PMAQI
27th Jul 20252310 PMAQI
27th Jul 20252311 PMAQI
28th Jul 20252412 AMAQI
28th Jul 2025271 AMAQI
28th Jul 2025292 AMAQI
28th Jul 2025293 AMAQI
28th Jul 2025284 AMAQI
27°C23/31°C
28th Jul 2025275 AMAQI
28th Jul 2025276 AMAQI
28th Jul 2025277 AMAQI
28th Jul 2025278 AMAQI
28th Jul 2025259 AMAQI
28th Jul 20253010 AMAQI
28th Jul 20253411 AMAQI
28th Jul 20253112 PMAQI
28th Jul 2025351 PMAQI
28th Jul 2025382 PMAQI
28th Jul 2025403 PMAQI
28th Jul 2025384 PMAQI
28th Jul 2025405 PMAQI
28th Jul 2025386 PMAQI
28th Jul 2025417 PMAQI
28th Jul 2025358 PMAQI
28th Jul 2025289 PMAQI
28th Jul 20253010 PMAQI
28th Jul 20253011 PMAQI
29th Jul 20252912 AMAQI
29th Jul 2025261 AMAQI
29th Jul 2025272 AMAQI
29th Jul 2025273 AMAQI
29th Jul 2025284 AMAQI
26°C23/30°C
29th Jul 2025285 AMAQI
29th Jul 2025286 AMAQI
29th Jul 2025297 AMAQI
29th Jul 2025288 AMAQI
29th Jul 2025229 AMAQI
29th Jul 20252010 AMAQI
29th Jul 20252411 AMAQI
29th Jul 20253212 PMAQI
29th Jul 2025271 PMAQI
29th Jul 2025272 PMAQI
29th Jul 2025243 PMAQI
29th Jul 2025284 PMAQI
29th Jul 2025375 PMAQI
29th Jul 2025306 PMAQI
29th Jul 2025367 PMAQI
29th Jul 2025348 PMAQI
29th Jul 2025279 PMAQI
29th Jul 20252410 PMAQI
29th Jul 20252411 PMAQI
30th Jul 20252512 AMAQI
30th Jul 2025291 AMAQI
30th Jul 2025282 AMAQI
30th Jul 2025283 AMAQI
30th Jul 2025284 AMAQI
26°C23/30°C
30th Jul 2025295 AMAQI
30th Jul 2025296 AMAQI
30th Jul 2025297 AMAQI
30th Jul 2025288 AMAQI
30th Jul 2025229 AMAQI
30th Jul 20252510 AMAQI
30th Jul 20253611 AMAQI
30th Jul 20253612 PMAQI
30th Jul 2025561 PMAQI
30th Jul 2025562 PMAQI
30th Jul 2025553 PMAQI
30th Jul 2025564 PMAQI
30th Jul 2025585 PMAQI
30th Jul 2025536 PMAQI
30th Jul 2025467 PMAQI
30th Jul 2025388 PMAQI
30th Jul 2025329 PMAQI
30th Jul 20252910 PMAQI
30th Jul 20252611 PMAQI
31st Jul 20252512 AMAQI
31st Jul 2025261 AMAQI
31st Jul 2025272 AMAQI
31st Jul 2025263 AMAQI
31st Jul 2025274 AMAQI
26°C23/31°C
31st Jul 2025275 AMAQI
31st Jul 2025276 AMAQI
31st Jul 2025277 AMAQI
31st Jul 2025278 AMAQI
31st Jul 2025279 AMAQI
31st Jul 20252710 AMAQI
31st Jul 20254111 AMAQI
31st Jul 20255412 PMAQI
31st Jul 2025551 PMAQI
31st Jul 2025552 PMAQI
31st Jul 2025523 PMAQI
31st Jul 2025524 PMAQI
31st Jul 2025535 PMAQI
31st Jul 2025546 PMAQI
31st Jul 2025537 PMAQI
31st Jul 2025428 PMAQI
31st Jul 2025489 PMAQI
31st Jul 20254610 PMAQI
31st Jul 20255011 PMAQI
1st Aug 20253412 AMAQI
1st Aug 2025361 AMAQI
1st Aug 2025342 AMAQI
1st Aug 2025333 AMAQI
1st Aug 2025344 AMAQI
26°C23/31°C
1st Aug 2025365 AMAQI
1st Aug 2025386 AMAQI
1st Aug 2025407 AMAQI
1st Aug 2025378 AMAQI
1st Aug 2025529 AMAQI
1st Aug 20255310 AMAQI
1st Aug 20256411 AMAQI
1st Aug 20255912 PMAQI
1st Aug 2025551 PMAQI
1st Aug 2025522 PMAQI
1st Aug 2025573 PMAQI
1st Aug 2025524 PMAQI
1st Aug 2025555 PMAQI
1st Aug 2025606 PMAQI
1st Aug 2025547 PMAQI
1st Aug 2025488 PMAQI
1st Aug 2025439 PMAQI
1st Aug 20253810 PMAQI
1st Aug 20254111 PMAQI
2nd Aug 20254412 AMAQI
2nd Aug 2025371 AMAQI
2nd Aug 2025372 AMAQI
2nd Aug 2025363 AMAQI
2nd Aug 2025374 AMAQI
27°C23/31°C
2nd Aug 2025405 AMAQI
2nd Aug 2025416 AMAQI
2nd Aug 2025407 AMAQI
2nd Aug 2025418 AMAQI
2nd Aug 2025419 AMAQI
2nd Aug 20254810 AMAQI
2nd Aug 20255011 AMAQI
2nd Aug 20255612 PMAQI
2nd Aug 2025551 PMAQI
2nd Aug 2025562 PMAQI
2nd Aug 2025553 PMAQI
2nd Aug 2025534 PMAQI
2nd Aug 2025495 PMAQI
2nd Aug 2025486 PMAQI
2nd Aug 2025427 PMAQI
2nd Aug 2025438 PMAQI
2nd Aug 2025379 PMAQI
2nd Aug 20253510 PMAQI
2nd Aug 20253911 PMAQI
3rd Aug 20253612 AMAQI
3rd Aug 2025401 AMAQI
3rd Aug 2025382 AMAQI
3rd Aug 2025383 AMAQI
3rd Aug 2025404 AMAQI
27°C23/32°C
3rd Aug 2025425 AMAQI
3rd Aug 2025406 AMAQI
3rd Aug 2025427 AMAQI
3rd Aug 2025428 AMAQI
3rd Aug 2025369 AMAQI
3rd Aug 20253110 AMAQI
3rd Aug 20253811 AMAQI
3rd Aug 20254712 PMAQI
3rd Aug 2025461 PMAQI
3rd Aug 2025542 PMAQI
3rd Aug 2025373 PMAQI
3rd Aug 2025504 PMAQI
3rd Aug 2025435 PMAQI
3rd Aug 2025456 PMAQI
3rd Aug 2025517 PMAQI
3rd Aug 2025358 PMAQI
3rd Aug 2025469 PMAQI
3rd Aug 20254010 PMAQI
3rd Aug 20253711 PMAQI
4th Aug 20254612 AMAQI
4th Aug 2025431 AMAQI
4th Aug 2025402 AMAQI
4th Aug 2025413 AMAQI
4th Aug 2025414 AMAQI
27°C24/31°C
4th Aug 2025425 AMAQI
4th Aug 2025426 AMAQI
4th Aug 2025417 AMAQI
4th Aug 2025418 AMAQI
4th Aug 2025639 AMAQI
4th Aug 20256610 AMAQI
4th Aug 20257311 AMAQI
4th Aug 20257412 PMAQI
4th Aug 2025701 PMAQI
4th Aug 2025712 PMAQI
4th Aug 2025663 PMAQI
4th Aug 2025524 PMAQI
4th Aug 2025565 PMAQI
4th Aug 2025536 PMAQI
4th Aug 2025447 PMAQI
4th Aug 2025508 PMAQI
4th Aug 2025429 PMAQI
4th Aug 20254210 PMAQI
4th Aug 20254411 PMAQI
5th Aug 20254612 AMAQI
5th Aug 2025481 AMAQI
5th Aug 2025422 AMAQI
5th Aug 2025423 AMAQI
5th Aug 2025504 AMAQI
27°C25/30°C
5th Aug 2025535 AMAQI
5th Aug 2025536 AMAQI
5th Aug 2025547 AMAQI
5th Aug 2025538 AMAQI
5th Aug 2025399 AMAQI
5th Aug 20253610 AMAQI
5th Aug 20254211 AMAQI
5th Aug 20253812 PMAQI
5th Aug 2025381 PMAQI
5th Aug 2025522 PMAQI
5th Aug 2025303 PMAQI
5th Aug 2025414 PMAQI
5th Aug 2025345 PMAQI
5th Aug 2025346 PMAQI
5th Aug 2025287 PMAQI
5th Aug 2025428 PMAQI
5th Aug 2025409 PMAQI
5th Aug 20254210 PMAQI
5th Aug 20254011 PMAQI
6th Aug 20254512 AMAQI
6th Aug 2025501 AMAQI
6th Aug 2025502 AMAQI
6th Aug 2025493 AMAQI
6th Aug 2025484 AMAQI
28°C24/32°C
6th Aug 2025485 AMAQI
6th Aug 2025486 AMAQI
6th Aug 2025507 AMAQI
6th Aug 2025488 AMAQI
6th Aug 2025379 AMAQI
6th Aug 20253010 AMAQI
6th Aug 20254511 AMAQI
6th Aug 20253512 PMAQI
6th Aug 2025441 PMAQI
6th Aug 2025322 PMAQI
6th Aug 2025413 PMAQI
6th Aug 2025404 PMAQI
6th Aug 2025405 PMAQI
6th Aug 2025526 PMAQI
6th Aug 2025477 PMAQI
6th Aug 2025508 PMAQI
6th Aug 2025509 PMAQI
6th Aug 20254810 PMAQI
6th Aug 20254811 PMAQI
7th Aug 20254912 AMAQI
7th Aug 2025481 AMAQI
7th Aug 2025482 AMAQI
7th Aug 2025483 AMAQI
7th Aug 2025464 AMAQI
--°C/°C
7th Aug 2025485 AMAQI
5 AM7th Aug 2025486 AMAQI
7th Aug 2025487 AMAQI
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 AM
47AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
10 AM
33AQI
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. 47), while the lowest AQI was between 10 AM to 10 AM (Avg. 33).
Night time
Avg. Highest Time
1 AM - 4 AM
47AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
8 PM
40AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 4 AM (Avg. 47), while the lowest AQI was between 8 PM to 8 PM (Avg. 40).
2025 Days Vs Air Quality
Yumi, Waki, Yamaguchi, Japan
2025
79%
172
21%
46
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Good
172 DaysModerate
46 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 79%
Health Risk Level:
Low
In 2025, 79% of 218 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
Yumi, Waki, Yamaguchi, 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
25AQI
25AQI
2nd January 2025
34AQI
34AQI
3rd January 2025
29AQI
29AQI
4th January 2025
28AQI
28AQI
5th January 2025
26AQI
26AQI
6th January 2025
31AQI
31AQI
7th January 2025
29AQI
29AQI
8th January 2025
28AQI
28AQI
9th January 2025
28AQI
28AQI
10th January 2025
27AQI
27AQI
11th January 2025
28AQI
28AQI
12th January 2025
28AQI
28AQI
13th January 2025
34AQI
34AQI
14th January 2025
32AQI
32AQI
15th January 2025
35AQI
35AQI
16th January 2025
30AQI
30AQI
17th January 2025
28AQI
28AQI
18th January 2025
25AQI
25AQI
19th January 2025
37AQI
37AQI
20th January 2025
30AQI
30AQI
21st January 2025
39AQI
39AQI
22nd January 2025
55AQI
55AQI
23rd January 2025
64AQI
64AQI
24th January 2025
52AQI
52AQI
25th January 2025
44AQI
44AQI
26th January 2025
39AQI
39AQI
27th January 2025
33AQI
33AQI
28th January 2025
33AQI
33AQI
29th January 2025
30AQI
30AQI
30th January 2025
42AQI
42AQI
31st January 2025
36AQI
36AQI
1st February 2025
40AQI
40AQI
2nd February 2025
31AQI
31AQI
3rd February 2025
38AQI
38AQI
4th February 2025
31AQI
31AQI
5th February 2025
33AQI
33AQI
6th February 2025
29AQI
29AQI
7th February 2025
28AQI
28AQI
8th February 2025
30AQI
30AQI
9th February 2025
28AQI
28AQI
10th February 2025
29AQI
29AQI
11th February 2025
32AQI
32AQI
12th February 2025
26AQI
26AQI
13th February 2025
30AQI
30AQI
14th February 2025
36AQI
36AQI
15th February 2025
31AQI
31AQI
16th February 2025
38AQI
38AQI
17th February 2025
39AQI
39AQI
18th February 2025
33AQI
33AQI
19th February 2025
34AQI
34AQI
20th February 2025
30AQI
30AQI
21st February 2025
33AQI
33AQI
22nd February 2025
35AQI
35AQI
23rd February 2025
33AQI
33AQI
24th February 2025
35AQI
35AQI
25th February 2025
36AQI
36AQI
26th February 2025
38AQI
38AQI
27th February 2025
45AQI
45AQI
28th February 2025
48AQI
48AQI
1st March 2025
52AQI
52AQI
2nd March 2025
75AQI
75AQI
3rd March 2025
43AQI
43AQI
4th March 2025
41AQI
41AQI
5th March 2025
28AQI
28AQI
6th March 2025
37AQI
37AQI
7th March 2025
32AQI
32AQI
8th March 2025
41AQI
41AQI
9th March 2025
42AQI
42AQI
10th March 2025
42AQI
42AQI
11th March 2025
43AQI
43AQI
12th March 2025
44AQI
44AQI
13th March 2025
52AQI
52AQI
14th March 2025
30AQI
30AQI
15th March 2025
30AQI
30AQI
16th March 2025
20AQI
20AQI
17th March 2025
33AQI
33AQI
18th March 2025
23AQI
23AQI
19th March 2025
38AQI
38AQI
20th March 2025
43AQI
43AQI
21st March 2025
42AQI
42AQI
22nd March 2025
63AQI
63AQI
23rd March 2025
55AQI
55AQI
24th March 2025
50AQI
50AQI
25th March 2025
63AQI
63AQI
26th March 2025
72AQI
72AQI
27th March 2025
62AQI
62AQI
28th March 2025
51AQI
51AQI
29th March 2025
44AQI
44AQI
30th March 2025
39AQI
39AQI
31st March 2025
38AQI
38AQI
1st April 2025
41AQI
41AQI
2nd April 2025
33AQI
33AQI
3rd April 2025
26AQI
26AQI
4th April 2025
31AQI
31AQI
5th April 2025
31AQI
31AQI
6th April 2025
32AQI
32AQI
7th April 2025
28AQI
28AQI
8th April 2025
23AQI
23AQI
9th April 2025
38AQI
38AQI
10th April 2025
39AQI
39AQI
11th April 2025
35AQI
35AQI
12th April 2025
39AQI
39AQI
13th April 2025
33AQI
33AQI
14th April 2025
32AQI
32AQI
15th April 2025
24AQI
24AQI
16th April 2025
33AQI
33AQI
17th April 2025
29AQI
29AQI
18th April 2025
32AQI
32AQI
19th April 2025
33AQI
33AQI
20th April 2025
27AQI
27AQI
21st April 2025
29AQI
29AQI
22nd April 2025
29AQI
29AQI
23rd April 2025
18AQI
18AQI
24th April 2025
27AQI
27AQI
25th April 2025
57AQI
57AQI
26th April 2025
44AQI
44AQI
27th April 2025
50AQI
50AQI
28th April 2025
41AQI
41AQI
29th April 2025
37AQI
37AQI
30th April 2025
44AQI
44AQI
1st May 2025
52AQI
52AQI
2nd May 2025
40AQI
40AQI
3rd May 2025
48AQI
48AQI
4th May 2025
36AQI
36AQI
5th May 2025
38AQI
38AQI
6th May 2025
27AQI
27AQI
7th May 2025
28AQI
28AQI
8th May 2025
30AQI
30AQI
9th May 2025
35AQI
35AQI
10th May 2025
32AQI
32AQI
11th May 2025
42AQI
42AQI
12th May 2025
51AQI
51AQI
13th May 2025
52AQI
52AQI
14th May 2025
60AQI
60AQI
15th May 2025
56AQI
56AQI
16th May 2025
50AQI
50AQI
17th May 2025
42AQI
42AQI
18th May 2025
48AQI
48AQI
19th May 2025
59AQI
59AQI
20th May 2025
57AQI
57AQI
21st May 2025
44AQI
44AQI
22nd May 2025
44AQI
44AQI
23rd May 2025
39AQI
39AQI
24th May 2025
33AQI
33AQI
25th May 2025
28AQI
28AQI
26th May 2025
29AQI
29AQI
27th May 2025
42AQI
42AQI
28th May 2025
36AQI
36AQI
29th May 2025
50AQI
50AQI
30th May 2025
44AQI
44AQI
31st May 2025
42AQI
42AQI
1st June 2025
49AQI
49AQI
2nd June 2025
54AQI
54AQI
3rd June 2025
30AQI
30AQI
4th June 2025
43AQI
43AQI
5th June 2025
47AQI
47AQI
6th June 2025
48AQI
48AQI
7th June 2025
54AQI
54AQI
8th June 2025
65AQI
65AQI
9th June 2025
67AQI
67AQI
10th June 2025
35AQI
35AQI
11th June 2025
38AQI
38AQI
12th June 2025
53AQI
53AQI
13th June 2025
44AQI
44AQI
14th June 2025
40AQI
40AQI
15th June 2025
29AQI
29AQI
16th June 2025
29AQI
29AQI
17th June 2025
28AQI
28AQI
18th June 2025
39AQI
39AQI
19th June 2025
49AQI
49AQI
20th June 2025
53AQI
53AQI
21st June 2025
53AQI
53AQI
22nd June 2025
62AQI
62AQI
23rd June 2025
45AQI
45AQI
24th June 2025
43AQI
43AQI
25th June 2025
41AQI
41AQI
26th June 2025
51AQI
51AQI
27th June 2025
54AQI
54AQI
28th June 2025
50AQI
50AQI
29th June 2025
47AQI
47AQI
30th June 2025
56AQI
56AQI
1st July 2025
58AQI
58AQI
2nd July 2025
78AQI
78AQI
3rd July 2025
80AQI
80AQI
4th July 2025
88AQI
88AQI
5th July 2025
85AQI
85AQI
6th July 2025
67AQI
67AQI
7th July 2025
62AQI
62AQI
8th July 2025
68AQI
68AQI
9th July 2025
63AQI
63AQI
10th July 2025
81AQI
81AQI
11th July 2025
60AQI
60AQI
12th July 2025
56AQI
56AQI
13th July 2025
54AQI
54AQI
14th July 2025
41AQI
41AQI
15th July 2025
49AQI
49AQI
16th July 2025
51AQI
51AQI
17th July 2025
50AQI
50AQI
18th July 2025
36AQI
36AQI
19th July 2025
34AQI
34AQI
20th July 2025
32AQI
32AQI
21st July 2025
28AQI
28AQI
22nd July 2025
27AQI
27AQI
23rd July 2025
29AQI
29AQI
24th July 2025
39AQI
39AQI
25th July 2025
28AQI
28AQI
26th July 2025
24AQI
24AQI
27th July 2025
23AQI
23AQI
28th July 2025
32AQI
32AQI
29th July 2025
28AQI
28AQI
30th July 2025
36AQI
36AQI
31st July 2025
40AQI
40AQI
1st August 2025
46AQI
46AQI
2nd August 2025
43AQI
43AQI
3rd August 2025
41AQI
41AQI
4th August 2025
51AQI
51AQI
5th August 2025
42AQI
42AQI
6th August 2025
46AQI
46AQI
34AQI
34AQI
44AQI
34AQI
42AQI
47AQI
49AQI
45AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202541AQI
28
3
28
22
9
29
1
24
7
19
11
17
14
5
1
172
46
Highest AQI recorded in
July49AQI
Lowest AQI recorded in
April34AQI
202438AQI
30
1
23
6
24
7
15
15
23
8
24
6
28
3
23
8
24
6
30
1
28
2
31
303
63
Highest AQI recorded in
April51AQI
Lowest AQI recorded in
December28AQI
202342AQI
26
4
1
28
20
11
15
15
21
10
18
12
25
6
29
2
27
3
27
4
20
9
24
6
280
82
1
Highest AQI recorded in
April51AQI
Lowest AQI recorded in
February33AQI
202241AQI
28
3
19
2
23
8
20
10
12
19
18
12
15
6
1
24
4
26
5
23
7
31
240
76
Highest AQI recorded in
May55AQI
Lowest AQI recorded in
August29AQI
202142AQI
24
7
20
8
19
10
2
24
6
21
10
11
19
24
7
26
5
25
5
23
8
24
6
30
1
271
92
2
Highest AQI recorded in
June54AQI
Lowest AQI recorded in
December31AQI
202039AQI
12
1
18
3
10
8
18
12
28
3
15
15
1
16
3
27
4
26
4
26
5
196
58
1
Highest AQI recorded in
August57AQI
Lowest AQI recorded in
March32AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
42AQILeast Polluted Year Recorded
2024(Avg.)
38AQIYumi's annual 2025 AQI (41) shows an average percentage change of 1.2% (worsened AQI) compared to previous years: 2020 (39), 2021 (42), 2022 (41), 2023 (42), 2024 (38).
