Yamatemachi, Iwakuni, 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
Yamatemachi, Iwakuni, Yamaguchi, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2021
63AQILowest AQI recorded on
13th Aug 2021
16AQISame Day Analysis (5th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 43 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Yamatemachi, Iwakuni, 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
7AM6th Aug
50AQI
Avg. Lowest Time
4PM6th Aug
31AQI
In the last 24 hours,
Yamatemachi's AQI reached its highest point of 50 at 7 AM during the Night, while the lowest point, 31, was recorded at 4 PM during the Night between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Yamatemachi, Iwakuni, 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 2025735 AMAQI
8th Jul 2025736 AMAQI
8th Jul 2025727 AMAQI
8th Jul 2025728 AMAQI
8th Jul 2025669 AMAQI
8th Jul 20256110 AMAQI
8th Jul 20256311 AMAQI
8th Jul 20257212 PMAQI
8th Jul 2025691 PMAQI
8th Jul 2025742 PMAQI
8th Jul 2025633 PMAQI
8th Jul 2025654 PMAQI
8th Jul 2025705 PMAQI
8th Jul 2025706 PMAQI
8th Jul 2025707 PMAQI
8th Jul 2025708 PMAQI
8th Jul 2025769 PMAQI
8th Jul 20257310 PMAQI
8th Jul 20257111 PMAQI
9th Jul 20257212 AMAQI
9th Jul 2025711 AMAQI
9th Jul 2025742 AMAQI
9th Jul 2025743 AMAQI
9th Jul 2025734 AMAQI
26°C23/30°C
9th Jul 2025725 AMAQI
9th Jul 2025716 AMAQI
9th Jul 2025727 AMAQI
9th Jul 2025728 AMAQI
9th Jul 2025749 AMAQI
9th Jul 20257610 AMAQI
9th Jul 20257211 AMAQI
9th Jul 20257212 PMAQI
9th Jul 2025761 PMAQI
9th Jul 2025772 PMAQI
9th Jul 2025783 PMAQI
9th Jul 2025784 PMAQI
9th Jul 2025815 PMAQI
9th Jul 2025836 PMAQI
9th Jul 2025847 PMAQI
9th Jul 2025818 PMAQI
9th Jul 2025779 PMAQI
9th Jul 20257610 PMAQI
9th Jul 20257611 PMAQI
10th Jul 20257812 AMAQI
10th Jul 2025771 AMAQI
10th Jul 2025722 AMAQI
10th Jul 2025723 AMAQI
10th Jul 2025724 AMAQI
26°C23/30°C
10th Jul 2025715 AMAQI
10th Jul 2025726 AMAQI
10th Jul 2025727 AMAQI
10th Jul 2025728 AMAQI
10th Jul 2025799 AMAQI
10th Jul 20257910 AMAQI
10th Jul 20258411 AMAQI
10th Jul 20259512 PMAQI
10th Jul 2025991 PMAQI
10th Jul 20251032 PMAQI
10th Jul 20251013 PMAQI
10th Jul 20251084 PMAQI
10th Jul 20251085 PMAQI
10th Jul 20251036 PMAQI
10th Jul 2025987 PMAQI
10th Jul 2025928 PMAQI
10th Jul 2025799 PMAQI
10th Jul 20257810 PMAQI
10th Jul 20257811 PMAQI
11th Jul 20257812 AMAQI
11th Jul 2025761 AMAQI
11th Jul 2025722 AMAQI
11th Jul 2025713 AMAQI
11th Jul 2025744 AMAQI
26°C23/30°C
11th Jul 2025755 AMAQI
11th Jul 2025766 AMAQI
11th Jul 2025757 AMAQI
11th Jul 2025768 AMAQI
11th Jul 2025799 AMAQI
11th Jul 20257410 AMAQI
11th Jul 20257411 AMAQI
11th Jul 20257512 PMAQI
11th Jul 2025781 PMAQI
11th Jul 2025782 PMAQI
11th Jul 2025743 PMAQI
11th Jul 2025634 PMAQI
11th Jul 2025565 PMAQI
11th Jul 2025406 PMAQI
11th Jul 2025387 PMAQI
11th Jul 2025478 PMAQI
11th Jul 2025629 PMAQI
11th Jul 20256210 PMAQI
11th Jul 20256311 PMAQI
12th Jul 20256412 AMAQI
12th Jul 2025641 AMAQI
12th Jul 2025732 AMAQI
12th Jul 2025733 AMAQI
12th Jul 2025734 AMAQI
26°C23/29°C
12th Jul 2025725 AMAQI
12th Jul 2025736 AMAQI
12th Jul 2025747 AMAQI
12th Jul 2025728 AMAQI
12th Jul 2025589 AMAQI
12th Jul 20255210 AMAQI
12th Jul 20255211 AMAQI
12th Jul 20255712 PMAQI
12th Jul 2025621 PMAQI
12th Jul 2025622 PMAQI
12th Jul 2025603 PMAQI
12th Jul 2025584 PMAQI
12th Jul 2025535 PMAQI
12th Jul 2025476 PMAQI
12th Jul 2025357 PMAQI
12th Jul 2025448 PMAQI
12th Jul 2025629 PMAQI
12th Jul 20256010 PMAQI
12th Jul 20255911 PMAQI
13th Jul 20255912 AMAQI
13th Jul 2025601 AMAQI
13th Jul 2025702 AMAQI
13th Jul 2025703 AMAQI
13th Jul 2025694 AMAQI
26°C23/29°C
13th Jul 2025665 AMAQI
13th Jul 2025666 AMAQI
13th Jul 2025667 AMAQI
13th Jul 2025678 AMAQI
13th Jul 2025549 AMAQI
13th Jul 20255210 AMAQI
13th Jul 20254711 AMAQI
13th Jul 20253912 PMAQI
13th Jul 2025531 PMAQI
13th Jul 2025552 PMAQI
13th Jul 2025533 PMAQI
13th Jul 2025524 PMAQI
13th Jul 2025475 PMAQI
13th Jul 2025516 PMAQI
13th Jul 2025417 PMAQI
13th Jul 2025398 PMAQI
13th Jul 2025539 PMAQI
13th Jul 20255310 PMAQI
13th Jul 20255211 PMAQI
14th Jul 20255212 AMAQI
14th Jul 2025571 AMAQI
14th Jul 2025652 AMAQI
14th Jul 2025663 AMAQI
14th Jul 2025644 AMAQI
26°C24/29°C
14th Jul 2025625 AMAQI
14th Jul 2025626 AMAQI
14th Jul 2025627 AMAQI
14th Jul 2025628 AMAQI
14th Jul 2025299 AMAQI
14th Jul 20251810 AMAQI
14th Jul 20251811 AMAQI
14th Jul 20252012 PMAQI
14th Jul 2025221 PMAQI
14th Jul 2025212 PMAQI
14th Jul 2025293 PMAQI
14th Jul 2025204 PMAQI
14th Jul 2025195 PMAQI
14th Jul 2025206 PMAQI
14th Jul 2025217 PMAQI
14th Jul 2025328 PMAQI
14th Jul 2025489 PMAQI
14th Jul 20254910 PMAQI
14th Jul 20255011 PMAQI
15th Jul 20254912 AMAQI
15th Jul 2025541 AMAQI
15th Jul 2025602 AMAQI
15th Jul 2025613 AMAQI
15th Jul 2025594 AMAQI
24°C20/27°C
15th Jul 2025565 AMAQI
15th Jul 2025566 AMAQI
15th Jul 2025567 AMAQI
15th Jul 2025568 AMAQI
15th Jul 2025389 AMAQI
15th Jul 20252710 AMAQI
15th Jul 20252711 AMAQI
15th Jul 20252912 PMAQI
15th Jul 2025411 PMAQI
15th Jul 2025442 PMAQI
15th Jul 2025503 PMAQI
15th Jul 2025654 PMAQI
15th Jul 2025675 PMAQI
15th Jul 2025726 PMAQI
15th Jul 2025707 PMAQI
15th Jul 2025698 PMAQI
15th Jul 2025629 PMAQI
15th Jul 20255910 PMAQI
15th Jul 20255911 PMAQI
16th Jul 20255812 AMAQI
16th Jul 2025571 AMAQI
16th Jul 2025562 AMAQI
16th Jul 2025563 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 2025569 AMAQI
16th Jul 20255410 AMAQI
16th Jul 20255211 AMAQI
16th Jul 20256012 PMAQI
16th Jul 2025611 PMAQI
16th Jul 2025662 PMAQI
16th Jul 2025683 PMAQI
16th Jul 2025704 PMAQI
16th Jul 2025625 PMAQI
16th Jul 2025596 PMAQI
16th Jul 2025587 PMAQI
16th Jul 2025548 PMAQI
16th Jul 2025549 PMAQI
16th Jul 20255610 PMAQI
16th Jul 20255711 PMAQI
17th Jul 20255712 AMAQI
17th Jul 2025581 AMAQI
17th Jul 2025562 AMAQI
17th Jul 2025553 AMAQI
17th Jul 2025564 AMAQI
25°C22/29°C
17th Jul 2025565 AMAQI
17th Jul 2025566 AMAQI
17th Jul 2025567 AMAQI
17th Jul 2025568 AMAQI
17th Jul 2025569 AMAQI
17th Jul 20255810 AMAQI
17th Jul 20255611 AMAQI
17th Jul 20254812 PMAQI
17th Jul 2025521 PMAQI
17th Jul 2025522 PMAQI
17th Jul 2025523 PMAQI
17th Jul 2025564 PMAQI
17th Jul 2025595 PMAQI
17th Jul 2025476 PMAQI
17th Jul 2025267 PMAQI
17th Jul 2025298 PMAQI
17th Jul 2025429 PMAQI
17th Jul 20254310 PMAQI
17th Jul 20254211 PMAQI
18th Jul 20254112 AMAQI
18th Jul 2025451 AMAQI
18th Jul 2025522 AMAQI
18th Jul 2025563 AMAQI
18th Jul 2025564 AMAQI
25°C23/28°C
18th Jul 2025565 AMAQI
18th Jul 2025556 AMAQI
18th Jul 2025567 AMAQI
18th Jul 2025568 AMAQI
18th Jul 2025269 AMAQI
18th Jul 20251410 AMAQI
18th Jul 20251411 AMAQI
18th Jul 20251812 PMAQI
18th Jul 2025211 PMAQI
18th Jul 2025202 PMAQI
18th Jul 2025223 PMAQI
18th Jul 2025224 PMAQI
18th Jul 2025255 PMAQI
18th Jul 2025316 PMAQI
18th Jul 2025307 PMAQI
18th Jul 2025328 PMAQI
18th Jul 2025459 PMAQI
18th Jul 20254310 PMAQI
18th Jul 20254011 PMAQI
19th Jul 20254112 AMAQI
19th Jul 2025441 AMAQI
19th Jul 2025532 AMAQI
19th Jul 2025533 AMAQI
19th Jul 2025514 AMAQI
24°C23/25°C
19th Jul 2025495 AMAQI
19th Jul 2025486 AMAQI
19th Jul 2025487 AMAQI
19th Jul 2025488 AMAQI
19th Jul 2025309 AMAQI
19th Jul 20253010 AMAQI
19th Jul 20252711 AMAQI
19th Jul 20253112 PMAQI
19th Jul 2025261 PMAQI
19th Jul 2025282 PMAQI
19th Jul 2025243 PMAQI
19th Jul 2025274 PMAQI
19th Jul 2025305 PMAQI
19th Jul 2025286 PMAQI
19th Jul 2025237 PMAQI
19th Jul 2025328 PMAQI
19th Jul 2025379 PMAQI
19th Jul 20253810 PMAQI
19th Jul 20253711 PMAQI
20th Jul 20253612 AMAQI
20th Jul 2025391 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 2025467 AMAQI
20th Jul 2025458 AMAQI
20th Jul 2025329 AMAQI
20th Jul 20252610 AMAQI
20th Jul 20253311 AMAQI
20th Jul 20253012 PMAQI
20th Jul 2025331 PMAQI
20th Jul 2025262 PMAQI
20th Jul 2025313 PMAQI
20th Jul 2025314 PMAQI
20th Jul 2025285 PMAQI
20th Jul 2025246 PMAQI
20th Jul 2025237 PMAQI
20th Jul 2025288 PMAQI
20th Jul 2025339 PMAQI
20th Jul 20253310 PMAQI
20th Jul 20253311 PMAQI
21st Jul 20253412 AMAQI
21st Jul 2025361 AMAQI
21st Jul 2025452 AMAQI
21st Jul 2025443 AMAQI
21st Jul 2025444 AMAQI
26°C23/29°C
21st Jul 2025425 AMAQI
21st Jul 2025426 AMAQI
21st Jul 2025427 AMAQI
21st Jul 2025428 AMAQI
21st Jul 2025269 AMAQI
21st Jul 20253810 AMAQI
21st Jul 20253111 AMAQI
21st Jul 20252412 PMAQI
21st Jul 2025231 PMAQI
21st Jul 2025222 PMAQI
21st Jul 2025253 PMAQI
21st Jul 2025184 PMAQI
21st Jul 2025225 PMAQI
21st Jul 2025196 PMAQI
21st Jul 2025187 PMAQI
21st Jul 2025228 PMAQI
21st Jul 2025269 PMAQI
21st Jul 20253110 PMAQI
21st Jul 20252811 PMAQI
22nd Jul 20252812 AMAQI
22nd Jul 2025321 AMAQI
22nd Jul 2025422 AMAQI
22nd Jul 2025423 AMAQI
22nd Jul 2025404 AMAQI
26°C23/30°C
22nd Jul 2025385 AMAQI
22nd Jul 2025386 AMAQI
22nd Jul 2025387 AMAQI
22nd Jul 2025388 AMAQI
22nd Jul 2025269 AMAQI
22nd Jul 20252410 AMAQI
22nd Jul 20252411 AMAQI
22nd Jul 20252412 PMAQI
22nd Jul 2025251 PMAQI
22nd Jul 2025222 PMAQI
22nd Jul 2025203 PMAQI
22nd Jul 2025234 PMAQI
22nd Jul 2025265 PMAQI
22nd Jul 2025286 PMAQI
22nd Jul 2025297 PMAQI
22nd Jul 2025328 PMAQI
22nd Jul 2025309 PMAQI
22nd Jul 20253010 PMAQI
22nd Jul 20252811 PMAQI
23rd Jul 20253012 AMAQI
23rd Jul 2025321 AMAQI
23rd Jul 2025372 AMAQI
23rd Jul 2025383 AMAQI
23rd Jul 2025364 AMAQI
26°C23/30°C
23rd Jul 2025345 AMAQI
23rd Jul 2025346 AMAQI
23rd Jul 2025347 AMAQI
23rd Jul 2025348 AMAQI
23rd Jul 2025249 AMAQI
23rd Jul 20251910 AMAQI
23rd Jul 20252511 AMAQI
23rd Jul 20253212 PMAQI
23rd Jul 2025331 PMAQI
23rd Jul 2025302 PMAQI
23rd Jul 2025333 PMAQI
23rd Jul 2025394 PMAQI
23rd Jul 2025405 PMAQI
23rd Jul 2025446 PMAQI
23rd Jul 2025407 PMAQI
23rd Jul 2025408 PMAQI
23rd Jul 2025389 PMAQI
23rd Jul 20254010 PMAQI
23rd Jul 20253111 PMAQI
24th Jul 20252812 AMAQI
24th Jul 2025301 AMAQI
24th Jul 2025342 AMAQI
24th Jul 2025343 AMAQI
24th Jul 2025344 AMAQI
26°C23/30°C
24th Jul 2025335 AMAQI
24th Jul 2025336 AMAQI
24th Jul 2025337 AMAQI
24th Jul 2025338 AMAQI
24th Jul 2025339 AMAQI
24th Jul 20255710 AMAQI
24th Jul 20255711 AMAQI
24th Jul 20256512 PMAQI
24th Jul 2025431 PMAQI
24th Jul 2025422 PMAQI
24th Jul 2025443 PMAQI
24th Jul 2025534 PMAQI
24th Jul 2025445 PMAQI
24th Jul 2025456 PMAQI
24th Jul 2025487 PMAQI
24th Jul 2025388 PMAQI
24th Jul 2025349 PMAQI
24th Jul 20252710 PMAQI
24th Jul 20252411 PMAQI
25th Jul 20252512 AMAQI
25th Jul 2025271 AMAQI
25th Jul 2025332 AMAQI
25th Jul 2025333 AMAQI
25th Jul 2025344 AMAQI
26°C23/30°C
25th Jul 2025375 AMAQI
25th Jul 2025366 AMAQI
25th Jul 2025367 AMAQI
25th Jul 2025368 AMAQI
25th Jul 2025319 AMAQI
25th Jul 20254910 AMAQI
25th Jul 20255211 AMAQI
25th Jul 20255612 PMAQI
25th Jul 2025551 PMAQI
25th Jul 2025442 PMAQI
25th Jul 2025283 PMAQI
25th Jul 2025324 PMAQI
25th Jul 2025245 PMAQI
25th Jul 2025286 PMAQI
25th Jul 2025287 PMAQI
25th Jul 2025308 PMAQI
25th Jul 2025349 PMAQI
25th Jul 20253210 PMAQI
25th Jul 20253211 PMAQI
26th Jul 20253412 AMAQI
26th Jul 2025321 AMAQI
26th Jul 2025332 AMAQI
26th Jul 2025323 AMAQI
26th Jul 2025334 AMAQI
27°C24/30°C
26th Jul 2025345 AMAQI
26th Jul 2025356 AMAQI
26th Jul 2025347 AMAQI
26th Jul 2025368 AMAQI
26th Jul 2025309 AMAQI
26th Jul 20252810 AMAQI
26th Jul 20252411 AMAQI
26th Jul 20252812 PMAQI
26th Jul 2025291 PMAQI
26th Jul 2025312 PMAQI
26th Jul 2025313 PMAQI
26th Jul 2025294 PMAQI
26th Jul 2025225 PMAQI
26th Jul 2025186 PMAQI
26th Jul 2025177 PMAQI
26th Jul 2025208 PMAQI
26th Jul 2025249 PMAQI
26th Jul 20252410 PMAQI
26th Jul 20252411 PMAQI
27th Jul 20252212 AMAQI
27th Jul 2025241 AMAQI
27th Jul 2025322 AMAQI
27th Jul 2025323 AMAQI
27th Jul 2025324 AMAQI
27°C24/30°C
27th Jul 2025315 AMAQI
27th Jul 2025326 AMAQI
27th Jul 2025327 AMAQI
27th Jul 2025328 AMAQI
27th Jul 2025259 AMAQI
27th Jul 20251910 AMAQI
27th Jul 20251811 AMAQI
27th Jul 20251812 PMAQI
27th Jul 2025201 PMAQI
27th Jul 2025192 PMAQI
27th Jul 2025173 PMAQI
27th Jul 2025214 PMAQI
27th Jul 2025245 PMAQI
27th Jul 2025266 PMAQI
27th Jul 2025237 PMAQI
27th Jul 2025218 PMAQI
27th Jul 2025269 PMAQI
27th Jul 20252710 PMAQI
27th Jul 20252811 PMAQI
28th Jul 20252812 AMAQI
28th Jul 2025281 AMAQI
28th Jul 2025302 AMAQI
28th Jul 2025303 AMAQI
28th Jul 2025294 AMAQI
27°C23/31°C
28th Jul 2025275 AMAQI
28th Jul 2025286 AMAQI
28th Jul 2025287 AMAQI
28th Jul 2025288 AMAQI
28th Jul 2025239 AMAQI
28th Jul 20253710 AMAQI
28th Jul 20254211 AMAQI
28th Jul 20253712 PMAQI
28th Jul 2025321 PMAQI
28th Jul 2025372 PMAQI
28th Jul 2025403 PMAQI
28th Jul 2025384 PMAQI
28th Jul 2025365 PMAQI
28th Jul 2025376 PMAQI
28th Jul 2025367 PMAQI
28th Jul 2025298 PMAQI
28th Jul 2025289 PMAQI
28th Jul 20253010 PMAQI
28th Jul 20252811 PMAQI
29th Jul 20252712 AMAQI
29th Jul 2025231 AMAQI
29th Jul 2025252 AMAQI
29th Jul 2025283 AMAQI
29th Jul 2025284 AMAQI
26°C23/30°C
29th Jul 2025285 AMAQI
29th Jul 2025296 AMAQI
29th Jul 2025307 AMAQI
29th Jul 2025298 AMAQI
29th Jul 2025309 AMAQI
29th Jul 20254810 AMAQI
29th Jul 20255111 AMAQI
29th Jul 20255412 PMAQI
29th Jul 2025441 PMAQI
29th Jul 2025382 PMAQI
29th Jul 2025493 PMAQI
29th Jul 2025474 PMAQI
29th Jul 2025525 PMAQI
29th Jul 2025486 PMAQI
29th Jul 2025407 PMAQI
29th Jul 2025368 PMAQI
29th Jul 2025369 PMAQI
29th Jul 20253210 PMAQI
29th Jul 20252611 PMAQI
30th Jul 20252412 AMAQI
30th Jul 2025241 AMAQI
30th Jul 2025282 AMAQI
30th Jul 2025283 AMAQI
30th Jul 2025284 AMAQI
26°C23/30°C
30th Jul 2025305 AMAQI
30th Jul 2025306 AMAQI
30th Jul 2025307 AMAQI
30th Jul 2025308 AMAQI
30th Jul 2025269 AMAQI
30th Jul 20253510 AMAQI
30th Jul 20255211 AMAQI
30th Jul 20255012 PMAQI
30th Jul 2025551 PMAQI
30th Jul 2025552 PMAQI
30th Jul 2025513 PMAQI
30th Jul 2025544 PMAQI
30th Jul 2025555 PMAQI
30th Jul 2025476 PMAQI
30th Jul 2025347 PMAQI
30th Jul 2025348 PMAQI
30th Jul 2025299 PMAQI
30th Jul 20252810 PMAQI
30th Jul 20252411 PMAQI
31st Jul 20252412 AMAQI
31st Jul 2025241 AMAQI
31st Jul 2025272 AMAQI
31st Jul 2025263 AMAQI
31st Jul 2025264 AMAQI
26°C23/31°C
31st Jul 2025265 AMAQI
31st Jul 2025266 AMAQI
31st Jul 2025267 AMAQI
31st Jul 2025268 AMAQI
31st Jul 2025269 AMAQI
31st Jul 20252610 AMAQI
31st Jul 20254611 AMAQI
31st Jul 20255412 PMAQI
31st Jul 2025511 PMAQI
31st Jul 2025462 PMAQI
31st Jul 2025463 PMAQI
31st Jul 2025504 PMAQI
31st Jul 2025495 PMAQI
31st Jul 2025476 PMAQI
31st Jul 2025487 PMAQI
31st Jul 2025378 PMAQI
31st Jul 2025489 PMAQI
31st Jul 20254610 PMAQI
31st Jul 20254611 PMAQI
1st Aug 20253512 AMAQI
1st Aug 2025361 AMAQI
1st Aug 2025342 AMAQI
1st Aug 2025343 AMAQI
1st Aug 2025354 AMAQI
26°C23/31°C
1st Aug 2025355 AMAQI
1st Aug 2025376 AMAQI
1st Aug 2025377 AMAQI
1st Aug 2025378 AMAQI
1st Aug 2025439 AMAQI
1st Aug 20255110 AMAQI
1st Aug 20256111 AMAQI
1st Aug 20255112 PMAQI
1st Aug 2025551 PMAQI
1st Aug 2025512 PMAQI
1st Aug 2025583 PMAQI
1st Aug 2025524 PMAQI
1st Aug 2025545 PMAQI
1st Aug 2025606 PMAQI
1st Aug 2025487 PMAQI
1st Aug 2025498 PMAQI
1st Aug 2025439 PMAQI
1st Aug 20253810 PMAQI
1st Aug 20254011 PMAQI
2nd Aug 20254512 AMAQI
2nd Aug 2025381 AMAQI
2nd Aug 2025362 AMAQI
2nd Aug 2025363 AMAQI
2nd Aug 2025374 AMAQI
27°C23/31°C
2nd Aug 2025405 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025397 AMAQI
2nd Aug 2025408 AMAQI
2nd Aug 2025399 AMAQI
2nd Aug 20254410 AMAQI
2nd Aug 20254411 AMAQI
2nd Aug 20255312 PMAQI
2nd Aug 2025541 PMAQI
2nd Aug 2025542 PMAQI
2nd Aug 2025523 PMAQI
2nd Aug 2025544 PMAQI
2nd Aug 2025515 PMAQI
2nd Aug 2025496 PMAQI
2nd Aug 2025397 PMAQI
2nd Aug 2025418 PMAQI
2nd Aug 2025369 PMAQI
2nd Aug 20253410 PMAQI
2nd Aug 20253911 PMAQI
3rd Aug 20253812 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 2025359 AMAQI
3rd Aug 20253310 AMAQI
3rd Aug 20254111 AMAQI
3rd Aug 20254612 PMAQI
3rd Aug 2025481 PMAQI
3rd Aug 2025532 PMAQI
3rd Aug 2025463 PMAQI
3rd Aug 2025494 PMAQI
3rd Aug 2025415 PMAQI
3rd Aug 2025416 PMAQI
3rd Aug 2025497 PMAQI
3rd Aug 2025358 PMAQI
3rd Aug 2025469 PMAQI
3rd Aug 20254010 PMAQI
3rd Aug 20253811 PMAQI
4th Aug 20254512 AMAQI
4th Aug 2025431 AMAQI
4th Aug 2025402 AMAQI
4th Aug 2025403 AMAQI
4th Aug 2025414 AMAQI
27°C24/31°C
4th Aug 2025425 AMAQI
4th Aug 2025426 AMAQI
4th Aug 2025417 AMAQI
4th Aug 2025428 AMAQI
4th Aug 2025649 AMAQI
4th Aug 20256610 AMAQI
4th Aug 20257211 AMAQI
4th Aug 20257512 PMAQI
4th Aug 2025701 PMAQI
4th Aug 2025712 PMAQI
4th Aug 2025673 PMAQI
4th Aug 2025524 PMAQI
4th Aug 2025565 PMAQI
4th Aug 2025506 PMAQI
4th Aug 2025427 PMAQI
4th Aug 2025508 PMAQI
4th Aug 2025429 PMAQI
4th Aug 20254110 PMAQI
4th Aug 20254311 PMAQI
5th Aug 20254512 AMAQI
5th Aug 2025481 AMAQI
5th Aug 2025422 AMAQI
5th Aug 2025423 AMAQI
5th Aug 2025504 AMAQI
27°C25/30°C
5th Aug 2025525 AMAQI
5th Aug 2025526 AMAQI
5th Aug 2025537 AMAQI
5th Aug 2025538 AMAQI
5th Aug 2025359 AMAQI
5th Aug 20253410 AMAQI
5th Aug 20254111 AMAQI
5th Aug 20253812 PMAQI
5th Aug 2025361 PMAQI
5th Aug 2025532 PMAQI
5th Aug 2025323 PMAQI
5th Aug 2025424 PMAQI
5th Aug 2025365 PMAQI
5th Aug 2025346 PMAQI
5th Aug 2025297 PMAQI
5th Aug 2025418 PMAQI
5th Aug 2025409 PMAQI
5th Aug 20254210 PMAQI
5th Aug 20254011 PMAQI
6th Aug 20254512 AMAQI
6th Aug 2025491 AMAQI
6th Aug 2025502 AMAQI
6th Aug 2025483 AMAQI
6th Aug 2025474 AMAQI
28°C24/32°C
6th Aug 2025485 AMAQI
6th Aug 2025486 AMAQI
6th Aug 2025507 AMAQI
6th Aug 2025488 AMAQI
6th Aug 2025389 AMAQI
6th Aug 20253110 AMAQI
6th Aug 20253611 AMAQI
6th Aug 20253412 PMAQI
6th Aug 2025431 PMAQI
6th Aug 2025322 PMAQI
6th Aug 2025363 PMAQI
6th Aug 2025314 PMAQI
6th Aug 2025375 PMAQI
6th Aug 2025496 PMAQI
6th Aug 2025447 PMAQI
6th Aug 2025488 PMAQI
6th Aug 2025469 PMAQI
6th Aug 20254610 PMAQI
6th Aug 20254711 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 2025475 AMAQI
5 AM7th Aug 2025476 AMAQI
7th Aug 2025477 AMAQI
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 AM
48AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
9 AM - 10 AM
42AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 48), while the lowest AQI was between 9 AM to 10 AM (Avg. 42).
Night time
Avg. Highest Time
2 AM - 4 AM
48AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
8 PM
42AQI
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. 48), while the lowest AQI was between 8 PM to 8 PM (Avg. 42).
2025 Days Vs Air Quality
Yamatemachi, Iwakuni, Yamaguchi, Japan
2025
70%
151
30%
66
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Good
151 DaysModerate
66 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 70%
Health Risk Level:
Low
In 2025, 70% 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
Yamatemachi, Iwakuni, 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
27AQI
27AQI
2nd January 2025
33AQI
33AQI
3rd January 2025
30AQI
30AQI
4th January 2025
29AQI
29AQI
5th January 2025
28AQI
28AQI
6th January 2025
38AQI
38AQI
7th January 2025
30AQI
30AQI
8th January 2025
32AQI
32AQI
9th January 2025
29AQI
29AQI
10th January 2025
28AQI
28AQI
11th January 2025
28AQI
28AQI
12th January 2025
30AQI
30AQI
13th January 2025
40AQI
40AQI
14th January 2025
45AQI
45AQI
15th January 2025
37AQI
37AQI
16th January 2025
33AQI
33AQI
17th January 2025
31AQI
31AQI
18th January 2025
30AQI
30AQI
19th January 2025
40AQI
40AQI
20th January 2025
40AQI
40AQI
21st January 2025
50AQI
50AQI
22nd January 2025
61AQI
61AQI
23rd January 2025
71AQI
71AQI
24th January 2025
69AQI
69AQI
25th January 2025
45AQI
45AQI
26th January 2025
42AQI
42AQI
27th January 2025
34AQI
34AQI
28th January 2025
35AQI
35AQI
29th January 2025
31AQI
31AQI
30th January 2025
43AQI
43AQI
31st January 2025
49AQI
49AQI
1st February 2025
53AQI
53AQI
2nd February 2025
35AQI
35AQI
3rd February 2025
43AQI
43AQI
4th February 2025
32AQI
32AQI
5th February 2025
36AQI
36AQI
6th February 2025
30AQI
30AQI
7th February 2025
32AQI
32AQI
8th February 2025
30AQI
30AQI
9th February 2025
29AQI
29AQI
10th February 2025
30AQI
30AQI
11th February 2025
33AQI
33AQI
12th February 2025
35AQI
35AQI
13th February 2025
31AQI
31AQI
14th February 2025
38AQI
38AQI
15th February 2025
31AQI
31AQI
16th February 2025
40AQI
40AQI
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
36AQI
36AQI
23rd February 2025
33AQI
33AQI
24th February 2025
36AQI
36AQI
25th February 2025
36AQI
36AQI
26th February 2025
42AQI
42AQI
27th February 2025
63AQI
63AQI
28th February 2025
60AQI
60AQI
1st March 2025
70AQI
70AQI
2nd March 2025
75AQI
75AQI
3rd March 2025
47AQI
47AQI
4th March 2025
40AQI
40AQI
5th March 2025
31AQI
31AQI
6th March 2025
36AQI
36AQI
7th March 2025
32AQI
32AQI
8th March 2025
39AQI
39AQI
9th March 2025
41AQI
41AQI
10th March 2025
41AQI
41AQI
11th March 2025
45AQI
45AQI
12th March 2025
50AQI
50AQI
13th March 2025
52AQI
52AQI
14th March 2025
35AQI
35AQI
15th March 2025
35AQI
35AQI
16th March 2025
20AQI
20AQI
17th March 2025
35AQI
35AQI
18th March 2025
30AQI
30AQI
19th March 2025
38AQI
38AQI
20th March 2025
46AQI
46AQI
21st March 2025
53AQI
53AQI
22nd March 2025
63AQI
63AQI
23rd March 2025
67AQI
67AQI
24th March 2025
59AQI
59AQI
25th March 2025
68AQI
68AQI
26th March 2025
72AQI
72AQI
27th March 2025
62AQI
62AQI
28th March 2025
53AQI
53AQI
29th March 2025
48AQI
48AQI
30th March 2025
39AQI
39AQI
31st March 2025
37AQI
37AQI
1st April 2025
39AQI
39AQI
2nd April 2025
33AQI
33AQI
3rd April 2025
26AQI
26AQI
4th April 2025
31AQI
31AQI
5th April 2025
40AQI
40AQI
6th April 2025
39AQI
39AQI
7th April 2025
43AQI
43AQI
8th April 2025
38AQI
38AQI
9th April 2025
59AQI
59AQI
10th April 2025
53AQI
53AQI
11th April 2025
56AQI
56AQI
12th April 2025
55AQI
55AQI
13th April 2025
44AQI
44AQI
14th April 2025
43AQI
43AQI
15th April 2025
29AQI
29AQI
16th April 2025
49AQI
49AQI
17th April 2025
49AQI
49AQI
18th April 2025
57AQI
57AQI
19th April 2025
54AQI
54AQI
20th April 2025
37AQI
37AQI
21st April 2025
39AQI
39AQI
22nd April 2025
49AQI
49AQI
23rd April 2025
32AQI
32AQI
24th April 2025
40AQI
40AQI
25th April 2025
65AQI
65AQI
26th April 2025
57AQI
57AQI
27th April 2025
59AQI
59AQI
28th April 2025
50AQI
50AQI
29th April 2025
48AQI
48AQI
30th April 2025
56AQI
56AQI
1st May 2025
55AQI
55AQI
2nd May 2025
41AQI
41AQI
3rd May 2025
48AQI
48AQI
4th May 2025
39AQI
39AQI
5th May 2025
44AQI
44AQI
6th May 2025
32AQI
32AQI
7th May 2025
35AQI
35AQI
8th May 2025
36AQI
36AQI
9th May 2025
38AQI
38AQI
10th May 2025
34AQI
34AQI
11th May 2025
40AQI
40AQI
12th May 2025
51AQI
51AQI
13th May 2025
56AQI
56AQI
14th May 2025
60AQI
60AQI
15th May 2025
57AQI
57AQI
16th May 2025
56AQI
56AQI
17th May 2025
45AQI
45AQI
18th May 2025
52AQI
52AQI
19th May 2025
59AQI
59AQI
20th May 2025
58AQI
58AQI
21st May 2025
46AQI
46AQI
22nd May 2025
44AQI
44AQI
23rd May 2025
47AQI
47AQI
24th May 2025
37AQI
37AQI
25th May 2025
28AQI
28AQI
26th May 2025
34AQI
34AQI
27th May 2025
42AQI
42AQI
28th May 2025
45AQI
45AQI
29th May 2025
50AQI
50AQI
30th May 2025
45AQI
45AQI
31st May 2025
40AQI
40AQI
1st June 2025
48AQI
48AQI
2nd June 2025
54AQI
54AQI
3rd June 2025
33AQI
33AQI
4th June 2025
43AQI
43AQI
5th June 2025
47AQI
47AQI
6th June 2025
53AQI
53AQI
7th June 2025
59AQI
59AQI
8th June 2025
65AQI
65AQI
9th June 2025
66AQI
66AQI
10th June 2025
37AQI
37AQI
11th June 2025
44AQI
44AQI
12th June 2025
52AQI
52AQI
13th June 2025
49AQI
49AQI
14th June 2025
40AQI
40AQI
15th June 2025
34AQI
34AQI
16th June 2025
36AQI
36AQI
17th June 2025
37AQI
37AQI
18th June 2025
47AQI
47AQI
19th June 2025
51AQI
51AQI
20th June 2025
57AQI
57AQI
21st June 2025
59AQI
59AQI
22nd June 2025
61AQI
61AQI
23rd June 2025
43AQI
43AQI
24th June 2025
47AQI
47AQI
25th June 2025
47AQI
47AQI
26th June 2025
52AQI
52AQI
27th June 2025
55AQI
55AQI
28th June 2025
56AQI
56AQI
29th June 2025
56AQI
56AQI
30th June 2025
56AQI
56AQI
1st July 2025
60AQI
60AQI
2nd July 2025
78AQI
78AQI
3rd July 2025
85AQI
85AQI
4th July 2025
90AQI
90AQI
5th July 2025
84AQI
84AQI
6th July 2025
66AQI
66AQI
7th July 2025
66AQI
66AQI
8th July 2025
71AQI
71AQI
9th July 2025
76AQI
76AQI
10th July 2025
85AQI
85AQI
11th July 2025
67AQI
67AQI
12th July 2025
61AQI
61AQI
13th July 2025
56AQI
56AQI
14th July 2025
41AQI
41AQI
15th July 2025
55AQI
55AQI
16th July 2025
57AQI
57AQI
17th July 2025
50AQI
50AQI
18th July 2025
38AQI
38AQI
19th July 2025
37AQI
37AQI
20th July 2025
36AQI
36AQI
21st July 2025
31AQI
31AQI
22nd July 2025
31AQI
31AQI
23rd July 2025
35AQI
35AQI
24th July 2025
39AQI
39AQI
25th July 2025
35AQI
35AQI
26th July 2025
28AQI
28AQI
27th July 2025
25AQI
25AQI
28th July 2025
32AQI
32AQI
29th July 2025
36AQI
36AQI
30th July 2025
36AQI
36AQI
31st July 2025
37AQI
37AQI
1st August 2025
44AQI
44AQI
2nd August 2025
42AQI
42AQI
3rd August 2025
42AQI
42AQI
4th August 2025
50AQI
50AQI
5th August 2025
43AQI
43AQI
38AQI
37AQI
47AQI
46AQI
45AQI
49AQI
52AQI
44AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202545AQI
28
3
25
3
20
11
20
10
22
9
15
15
16
15
5
151
66
Highest AQI recorded in
July52AQI
Lowest AQI recorded in
February37AQI
202438AQI
30
1
23
6
24
7
16
14
23
8
25
5
28
3
23
8
26
4
30
1
26
4
31
305
61
Highest AQI recorded in
April51AQI
Lowest AQI recorded in
December31AQI
202341AQI
24
6
1
28
17
14
12
18
21
10
20
10
27
4
29
2
27
3
26
5
21
8
25
6
277
86
1
Highest AQI recorded in
April52AQI
Lowest AQI recorded in
February31AQI
202241AQI
28
3
19
2
20
11
12
5
15
16
19
11
15
6
1
25
4
27
4
23
7
30
1
234
70
Highest AQI recorded in
May54AQI
Lowest AQI recorded in
August27AQI
202140AQI
24
7
20
8
22
7
17
4
23
8
11
19
27
4
27
4
24
6
24
7
21
9
29
2
269
85
Highest AQI recorded in
June51AQI
Lowest AQI recorded in
December34AQI
202037AQI
11
2
15
6
13
5
18
12
28
3
13
7
18
1
26
5
25
5
26
5
193
51
Highest AQI recorded in
June45AQI
Lowest AQI recorded in
July29AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
45AQILeast Polluted Year Recorded
2020(Avg.)
37AQIYamatemachi's annual 2025 AQI (45) shows an average percentage change of 14.8% (worsened AQI) compared to previous years: 2020 (37), 2021 (40), 2022 (41), 2023 (41), 2024 (38).
