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
Iwakuni, Yamaguchi, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
2nd Aug 2021
63AQILowest AQI recorded on
29th Aug 2024
16AQISame Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 48 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Iwakuni, Yamaguchi, Japan
AQI
Day
Night
.
5 AM4th Aug 2025
7 PM
4 AM5th Aug 2025
Day time
Avg. Highest Time
12PM4th Aug
74AQI
Avg. Lowest Time
8AM4th Aug
42AQI
Night time
Avg. Highest Time
4AM5th Aug
51AQI
Avg. Lowest Time
10PM4th Aug
41AQI
In the last 24 hours,
Iwakuni's AQI reached its highest point of 74 at 12 PM during the Day, while the lowest point, 41, was recorded at 10 PM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Iwakuni, Yamaguchi, Japan
JulAug
06th - 07th07th - 08th08th - 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
Day
Night
6th Jul 2025845 AMAQI
6th Jul 2025846 AMAQI
6th Jul 2025857 AMAQI
6th Jul 2025848 AMAQI
6th Jul 2025679 AMAQI
6th Jul 20254710 AMAQI
6th Jul 20253611 AMAQI
6th Jul 20253912 PMAQI
6th Jul 2025491 PMAQI
6th Jul 2025492 PMAQI
6th Jul 2025483 PMAQI
6th Jul 2025524 PMAQI
6th Jul 2025555 PMAQI
6th Jul 2025556 PMAQI
6th Jul 2025507 PMAQI
6th Jul 2025578 PMAQI
6th Jul 2025719 PMAQI
6th Jul 20257210 PMAQI
6th Jul 20257211 PMAQI
7th Jul 20257012 AMAQI
7th Jul 2025741 AMAQI
7th Jul 2025832 AMAQI
7th Jul 2025843 AMAQI
7th Jul 2025824 AMAQI
26°C23/30°C
7th Jul 2025775 AMAQI
7th Jul 2025796 AMAQI
7th Jul 2025787 AMAQI
7th Jul 2025788 AMAQI
7th Jul 2025539 AMAQI
7th Jul 20255510 AMAQI
7th Jul 20255311 AMAQI
7th Jul 20255012 PMAQI
7th Jul 2025531 PMAQI
7th Jul 2025532 PMAQI
7th Jul 2025553 PMAQI
7th Jul 2025554 PMAQI
7th Jul 2025585 PMAQI
7th Jul 2025566 PMAQI
7th Jul 2025557 PMAQI
7th Jul 2025608 PMAQI
7th Jul 2025689 PMAQI
7th Jul 20256910 PMAQI
7th Jul 20256911 PMAQI
8th Jul 20256912 AMAQI
8th Jul 2025731 AMAQI
8th Jul 2025792 AMAQI
8th Jul 2025783 AMAQI
8th Jul 2025774 AMAQI
26°C22/30°C
8th Jul 2025735 AMAQI
8th Jul 2025736 AMAQI
8th Jul 2025737 AMAQI
8th Jul 2025738 AMAQI
8th Jul 2025659 AMAQI
8th Jul 20256010 AMAQI
8th Jul 20256211 AMAQI
8th Jul 20257012 PMAQI
8th Jul 2025681 PMAQI
8th Jul 2025732 PMAQI
8th Jul 2025663 PMAQI
8th Jul 2025664 PMAQI
8th Jul 2025705 PMAQI
8th Jul 2025696 PMAQI
8th Jul 2025707 PMAQI
8th Jul 2025688 PMAQI
8th Jul 2025749 PMAQI
8th Jul 20257210 PMAQI
8th Jul 20257211 PMAQI
9th Jul 20257212 AMAQI
9th Jul 2025731 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 20257311 AMAQI
9th Jul 20257212 PMAQI
9th Jul 2025771 PMAQI
9th Jul 2025782 PMAQI
9th Jul 2025783 PMAQI
9th Jul 2025774 PMAQI
9th Jul 2025805 PMAQI
9th Jul 2025836 PMAQI
9th Jul 2025847 PMAQI
9th Jul 2025818 PMAQI
9th Jul 2025779 PMAQI
9th Jul 20257510 PMAQI
9th Jul 20257611 PMAQI
10th Jul 20257712 AMAQI
10th Jul 2025761 AMAQI
10th Jul 2025722 AMAQI
10th Jul 2025723 AMAQI
10th Jul 2025734 AMAQI
26°C23/30°C
10th Jul 2025725 AMAQI
10th Jul 2025726 AMAQI
10th Jul 2025727 AMAQI
10th Jul 2025728 AMAQI
10th Jul 2025799 AMAQI
10th Jul 20258210 AMAQI
10th Jul 20258711 AMAQI
10th Jul 20259612 PMAQI
10th Jul 2025991 PMAQI
10th Jul 20251022 PMAQI
10th Jul 20251013 PMAQI
10th Jul 20251064 PMAQI
10th Jul 20251045 PMAQI
10th Jul 20251056 PMAQI
10th Jul 2025977 PMAQI
10th Jul 2025908 PMAQI
10th Jul 2025799 PMAQI
10th Jul 20257810 PMAQI
10th Jul 20257711 PMAQI
11th Jul 20257712 AMAQI
11th Jul 2025761 AMAQI
11th Jul 2025712 AMAQI
11th Jul 2025713 AMAQI
11th Jul 2025724 AMAQI
26°C23/30°C
11th Jul 2025755 AMAQI
11th Jul 2025756 AMAQI
11th Jul 2025757 AMAQI
11th Jul 2025758 AMAQI
11th Jul 2025789 AMAQI
11th Jul 20257610 AMAQI
11th Jul 20257411 AMAQI
11th Jul 20257412 PMAQI
11th Jul 2025791 PMAQI
11th Jul 2025782 PMAQI
11th Jul 2025753 PMAQI
11th Jul 2025654 PMAQI
11th Jul 2025555 PMAQI
11th Jul 2025426 PMAQI
11th Jul 2025437 PMAQI
11th Jul 2025498 PMAQI
11th Jul 2025639 PMAQI
11th Jul 20256410 PMAQI
11th Jul 20256411 PMAQI
12th Jul 20256412 AMAQI
12th Jul 2025661 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 2025579 AMAQI
12th Jul 20255110 AMAQI
12th Jul 20255411 AMAQI
12th Jul 20255812 PMAQI
12th Jul 2025611 PMAQI
12th Jul 2025622 PMAQI
12th Jul 2025623 PMAQI
12th Jul 2025604 PMAQI
12th Jul 2025565 PMAQI
12th Jul 2025496 PMAQI
12th Jul 2025417 PMAQI
12th Jul 2025478 PMAQI
12th Jul 2025629 PMAQI
12th Jul 20256110 PMAQI
12th Jul 20256011 PMAQI
13th Jul 20255912 AMAQI
13th Jul 2025601 AMAQI
13th Jul 2025702 AMAQI
13th Jul 2025693 AMAQI
13th Jul 2025694 AMAQI
26°C23/29°C
13th Jul 2025675 AMAQI
13th Jul 2025676 AMAQI
13th Jul 2025677 AMAQI
13th Jul 2025678 AMAQI
13th Jul 2025549 AMAQI
13th Jul 20255210 AMAQI
13th Jul 20254611 AMAQI
13th Jul 20254212 PMAQI
13th Jul 2025531 PMAQI
13th Jul 2025552 PMAQI
13th Jul 2025543 PMAQI
13th Jul 2025534 PMAQI
13th Jul 2025505 PMAQI
13th Jul 2025526 PMAQI
13th Jul 2025407 PMAQI
13th Jul 2025398 PMAQI
13th Jul 2025539 PMAQI
13th Jul 20255410 PMAQI
13th Jul 20255311 PMAQI
14th Jul 20255312 AMAQI
14th Jul 2025571 AMAQI
14th Jul 2025652 AMAQI
14th Jul 2025653 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 20251710 AMAQI
14th Jul 20251911 AMAQI
14th Jul 20252012 PMAQI
14th Jul 2025221 PMAQI
14th Jul 2025212 PMAQI
14th Jul 2025253 PMAQI
14th Jul 2025214 PMAQI
14th Jul 2025215 PMAQI
14th Jul 2025216 PMAQI
14th Jul 2025217 PMAQI
14th Jul 2025308 PMAQI
14th Jul 2025499 PMAQI
14th Jul 20255010 PMAQI
14th Jul 20255011 PMAQI
15th Jul 20255012 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 2025578 AMAQI
15th Jul 2025389 AMAQI
15th Jul 20252910 AMAQI
15th Jul 20252911 AMAQI
15th Jul 20253012 PMAQI
15th Jul 2025401 PMAQI
15th Jul 2025442 PMAQI
15th Jul 2025533 PMAQI
15th Jul 2025664 PMAQI
15th Jul 2025685 PMAQI
15th Jul 2025726 PMAQI
15th Jul 2025717 PMAQI
15th Jul 2025698 PMAQI
15th Jul 2025619 PMAQI
15th Jul 20255910 PMAQI
15th Jul 20255811 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 2025673 PMAQI
16th Jul 2025684 PMAQI
16th Jul 2025625 PMAQI
16th Jul 2025586 PMAQI
16th Jul 2025577 PMAQI
16th Jul 2025538 PMAQI
16th Jul 2025559 PMAQI
16th Jul 20255710 PMAQI
16th Jul 20255811 PMAQI
17th Jul 20255812 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 20255610 AMAQI
17th Jul 20255511 AMAQI
17th Jul 20254912 PMAQI
17th Jul 2025491 PMAQI
17th Jul 2025522 PMAQI
17th Jul 2025543 PMAQI
17th Jul 2025574 PMAQI
17th Jul 2025575 PMAQI
17th Jul 2025476 PMAQI
17th Jul 2025277 PMAQI
17th Jul 2025308 PMAQI
17th Jul 2025449 PMAQI
17th Jul 20254410 PMAQI
17th Jul 20254311 PMAQI
18th Jul 20254212 AMAQI
18th Jul 2025461 AMAQI
18th Jul 2025532 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 20251311 AMAQI
18th Jul 20251812 PMAQI
18th Jul 2025211 PMAQI
18th Jul 2025202 PMAQI
18th Jul 2025243 PMAQI
18th Jul 2025244 PMAQI
18th Jul 2025275 PMAQI
18th Jul 2025306 PMAQI
18th Jul 2025287 PMAQI
18th Jul 2025338 PMAQI
18th Jul 2025469 PMAQI
18th Jul 20254410 PMAQI
18th Jul 20254211 PMAQI
19th Jul 20254212 AMAQI
19th Jul 2025441 AMAQI
19th Jul 2025532 AMAQI
19th Jul 2025533 AMAQI
19th Jul 2025524 AMAQI
24°C23/25°C
19th Jul 2025505 AMAQI
19th Jul 2025496 AMAQI
19th Jul 2025497 AMAQI
19th Jul 2025498 AMAQI
19th Jul 2025319 AMAQI
19th Jul 20253010 AMAQI
19th Jul 20253111 AMAQI
19th Jul 20253212 PMAQI
19th Jul 2025281 PMAQI
19th Jul 2025292 PMAQI
19th Jul 2025273 PMAQI
19th Jul 2025274 PMAQI
19th Jul 2025305 PMAQI
19th Jul 2025306 PMAQI
19th Jul 2025247 PMAQI
19th Jul 2025318 PMAQI
19th Jul 2025379 PMAQI
19th Jul 20253710 PMAQI
19th Jul 20253711 PMAQI
20th Jul 20253612 AMAQI
20th Jul 2025401 AMAQI
20th Jul 2025502 AMAQI
20th Jul 2025513 AMAQI
20th Jul 2025494 AMAQI
25°C23/28°C
20th Jul 2025465 AMAQI
20th Jul 2025466 AMAQI
20th Jul 2025467 AMAQI
20th Jul 2025468 AMAQI
20th Jul 2025339 AMAQI
20th Jul 20252810 AMAQI
20th Jul 20253811 AMAQI
20th Jul 20253212 PMAQI
20th Jul 2025321 PMAQI
20th Jul 2025302 PMAQI
20th Jul 2025333 PMAQI
20th Jul 2025344 PMAQI
20th Jul 2025315 PMAQI
20th Jul 2025276 PMAQI
20th Jul 2025227 PMAQI
20th Jul 2025278 PMAQI
20th Jul 2025349 PMAQI
20th Jul 20253410 PMAQI
20th Jul 20253311 PMAQI
21st Jul 20253412 AMAQI
21st Jul 2025371 AMAQI
21st Jul 2025462 AMAQI
21st Jul 2025453 AMAQI
21st Jul 2025444 AMAQI
26°C23/29°C
21st Jul 2025435 AMAQI
21st Jul 2025436 AMAQI
21st Jul 2025427 AMAQI
21st Jul 2025438 AMAQI
21st Jul 2025279 AMAQI
21st Jul 20253410 AMAQI
21st Jul 20253111 AMAQI
21st Jul 20252712 PMAQI
21st Jul 2025241 PMAQI
21st Jul 2025232 PMAQI
21st Jul 2025243 PMAQI
21st Jul 2025204 PMAQI
21st Jul 2025235 PMAQI
21st Jul 2025206 PMAQI
21st Jul 2025207 PMAQI
21st Jul 2025228 PMAQI
21st Jul 2025269 PMAQI
21st Jul 20253010 PMAQI
21st Jul 20252811 PMAQI
22nd Jul 20252812 AMAQI
22nd Jul 2025321 AMAQI
22nd Jul 2025422 AMAQI
22nd Jul 2025423 AMAQI
22nd Jul 2025414 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 20252210 AMAQI
22nd Jul 20252611 AMAQI
22nd Jul 20252312 PMAQI
22nd Jul 2025241 PMAQI
22nd Jul 2025222 PMAQI
22nd Jul 2025213 PMAQI
22nd Jul 2025234 PMAQI
22nd Jul 2025265 PMAQI
22nd Jul 2025306 PMAQI
22nd Jul 2025287 PMAQI
22nd Jul 2025318 PMAQI
22nd Jul 2025299 PMAQI
22nd Jul 20252910 PMAQI
22nd Jul 20252811 PMAQI
23rd Jul 20253012 AMAQI
23rd Jul 2025321 AMAQI
23rd Jul 2025372 AMAQI
23rd Jul 2025383 AMAQI
23rd Jul 2025374 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 20252110 AMAQI
23rd Jul 20252611 AMAQI
23rd Jul 20253312 PMAQI
23rd Jul 2025321 PMAQI
23rd Jul 2025292 PMAQI
23rd Jul 2025333 PMAQI
23rd Jul 2025404 PMAQI
23rd Jul 2025425 PMAQI
23rd Jul 2025456 PMAQI
23rd Jul 2025407 PMAQI
23rd Jul 2025398 PMAQI
23rd Jul 2025379 PMAQI
23rd Jul 20253810 PMAQI
23rd Jul 20253011 PMAQI
24th Jul 20252712 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 2025329 AMAQI
24th Jul 20255410 AMAQI
24th Jul 20255611 AMAQI
24th Jul 20255812 PMAQI
24th Jul 2025421 PMAQI
24th Jul 2025462 PMAQI
24th Jul 2025463 PMAQI
24th Jul 2025524 PMAQI
24th Jul 2025455 PMAQI
24th Jul 2025466 PMAQI
24th Jul 2025517 PMAQI
24th Jul 2025388 PMAQI
24th Jul 2025339 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 2025365 AMAQI
25th Jul 2025366 AMAQI
25th Jul 2025357 AMAQI
25th Jul 2025368 AMAQI
25th Jul 2025329 AMAQI
25th Jul 20254810 AMAQI
25th Jul 20255011 AMAQI
25th Jul 20255512 PMAQI
25th Jul 2025551 PMAQI
25th Jul 2025472 PMAQI
25th Jul 2025393 PMAQI
25th Jul 2025374 PMAQI
25th Jul 2025295 PMAQI
25th Jul 2025306 PMAQI
25th Jul 2025287 PMAQI
25th Jul 2025288 PMAQI
25th Jul 2025329 PMAQI
25th Jul 20253310 PMAQI
25th Jul 20253311 PMAQI
26th Jul 20253312 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 2025357 AMAQI
26th Jul 2025358 AMAQI
26th Jul 2025309 AMAQI
26th Jul 20252710 AMAQI
26th Jul 20252411 AMAQI
26th Jul 20252712 PMAQI
26th Jul 2025291 PMAQI
26th Jul 2025322 PMAQI
26th Jul 2025333 PMAQI
26th Jul 2025304 PMAQI
26th Jul 2025255 PMAQI
26th Jul 2025206 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 2025251 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 2025269 AMAQI
27th Jul 20252410 AMAQI
27th Jul 20252011 AMAQI
27th Jul 20251912 PMAQI
27th Jul 2025221 PMAQI
27th Jul 2025212 PMAQI
27th Jul 2025183 PMAQI
27th Jul 2025214 PMAQI
27th Jul 2025245 PMAQI
27th Jul 2025246 PMAQI
27th Jul 2025227 PMAQI
27th Jul 2025218 PMAQI
27th Jul 2025269 PMAQI
27th Jul 20252810 PMAQI
27th Jul 20252711 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 2025285 AMAQI
28th Jul 2025286 AMAQI
28th Jul 2025287 AMAQI
28th Jul 2025288 AMAQI
28th Jul 2025249 AMAQI
28th Jul 20253810 AMAQI
28th Jul 20254611 AMAQI
28th Jul 20253912 PMAQI
28th Jul 2025331 PMAQI
28th Jul 2025372 PMAQI
28th Jul 2025403 PMAQI
28th Jul 2025414 PMAQI
28th Jul 2025385 PMAQI
28th Jul 2025376 PMAQI
28th Jul 2025367 PMAQI
28th Jul 2025298 PMAQI
28th Jul 2025289 PMAQI
28th Jul 20252910 PMAQI
28th Jul 20252711 PMAQI
29th Jul 20252712 AMAQI
29th Jul 2025241 AMAQI
29th Jul 2025262 AMAQI
29th Jul 2025283 AMAQI
29th Jul 2025284 AMAQI
26°C23/30°C
29th Jul 2025295 AMAQI
29th Jul 2025296 AMAQI
29th Jul 2025307 AMAQI
29th Jul 2025298 AMAQI
29th Jul 2025309 AMAQI
29th Jul 20254610 AMAQI
29th Jul 20255111 AMAQI
29th Jul 20255312 PMAQI
29th Jul 2025401 PMAQI
29th Jul 2025372 PMAQI
29th Jul 2025473 PMAQI
29th Jul 2025484 PMAQI
29th Jul 2025525 PMAQI
29th Jul 2025486 PMAQI
29th Jul 2025417 PMAQI
29th Jul 2025368 PMAQI
29th Jul 2025349 PMAQI
29th Jul 20253010 PMAQI
29th Jul 20252511 PMAQI
30th Jul 20252312 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 2025289 AMAQI
30th Jul 20253410 AMAQI
30th Jul 20255211 AMAQI
30th Jul 20255012 PMAQI
30th Jul 2025541 PMAQI
30th Jul 2025522 PMAQI
30th Jul 2025513 PMAQI
30th Jul 2025544 PMAQI
30th Jul 2025555 PMAQI
30th Jul 2025466 PMAQI
30th Jul 2025347 PMAQI
30th Jul 2025378 PMAQI
30th Jul 2025309 PMAQI
30th Jul 20252710 PMAQI
30th Jul 20252411 PMAQI
31st Jul 20252312 AMAQI
31st Jul 2025241 AMAQI
31st Jul 2025272 AMAQI
31st Jul 2025273 AMAQI
31st Jul 2025274 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 20254311 AMAQI
31st Jul 20255012 PMAQI
31st Jul 2025491 PMAQI
31st Jul 2025482 PMAQI
31st Jul 2025443 PMAQI
31st Jul 2025494 PMAQI
31st Jul 2025475 PMAQI
31st Jul 2025466 PMAQI
31st Jul 2025447 PMAQI
31st Jul 2025368 PMAQI
31st Jul 2025489 PMAQI
31st Jul 20254610 PMAQI
31st Jul 20254311 PMAQI
1st Aug 20253512 AMAQI
1st Aug 2025341 AMAQI
1st Aug 2025332 AMAQI
1st Aug 2025343 AMAQI
1st Aug 2025354 AMAQI
26°C23/31°C
1st Aug 2025355 AMAQI
1st Aug 2025376 AMAQI
1st Aug 2025387 AMAQI
1st Aug 2025378 AMAQI
1st Aug 2025419 AMAQI
1st Aug 20254610 AMAQI
1st Aug 20255711 AMAQI
1st Aug 20254712 PMAQI
1st Aug 2025531 PMAQI
1st Aug 2025492 PMAQI
1st Aug 2025553 PMAQI
1st Aug 2025514 PMAQI
1st Aug 2025545 PMAQI
1st Aug 2025576 PMAQI
1st Aug 2025507 PMAQI
1st Aug 2025478 PMAQI
1st Aug 2025449 PMAQI
1st Aug 20254010 PMAQI
1st Aug 20254011 PMAQI
2nd Aug 20254412 AMAQI
2nd Aug 2025371 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 2025398 AMAQI
2nd Aug 2025409 AMAQI
2nd Aug 20254410 AMAQI
2nd Aug 20254411 AMAQI
2nd Aug 20255112 PMAQI
2nd Aug 2025531 PMAQI
2nd Aug 2025512 PMAQI
2nd Aug 2025513 PMAQI
2nd Aug 2025524 PMAQI
2nd Aug 2025465 PMAQI
2nd Aug 2025446 PMAQI
2nd Aug 2025407 PMAQI
2nd Aug 2025408 PMAQI
2nd Aug 2025389 PMAQI
2nd Aug 20253610 PMAQI
2nd Aug 20253911 PMAQI
3rd Aug 20253812 AMAQI
3rd Aug 2025391 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 2025379 AMAQI
3rd Aug 20253210 AMAQI
3rd Aug 20254611 AMAQI
3rd Aug 20254612 PMAQI
3rd Aug 2025471 PMAQI
3rd Aug 2025512 PMAQI
3rd Aug 2025473 PMAQI
3rd Aug 2025484 PMAQI
3rd Aug 2025405 PMAQI
3rd Aug 2025426 PMAQI
3rd Aug 2025487 PMAQI
3rd Aug 2025378 PMAQI
3rd Aug 2025459 PMAQI
3rd Aug 20254210 PMAQI
3rd Aug 20254111 PMAQI
4th Aug 20254612 AMAQI
4th Aug 2025421 AMAQI
4th Aug 2025402 AMAQI
4th Aug 2025403 AMAQI
4th Aug 2025414 AMAQI
27°C24/31°C
4th Aug 2025435 AMAQI
4th Aug 2025426 AMAQI
4th Aug 2025427 AMAQI
4th Aug 2025428 AMAQI
4th Aug 2025629 AMAQI
4th Aug 20256610 AMAQI
4th Aug 20257211 AMAQI
4th Aug 20257412 PMAQI
4th Aug 2025701 PMAQI
4th Aug 2025722 PMAQI
4th Aug 2025673 PMAQI
4th Aug 2025534 PMAQI
4th Aug 2025565 PMAQI
4th Aug 2025506 PMAQI
4th Aug 2025457 PMAQI
4th Aug 2025508 PMAQI
4th Aug 2025449 PMAQI
4th Aug 20254110 PMAQI
4th Aug 20254411 PMAQI
5th Aug 20254512 AMAQI
5th Aug 2025461 AMAQI
5th Aug 2025422 AMAQI
5th Aug 2025423 AMAQI
5th Aug 2025514 AMAQI
27°C25/30°C
5th Aug 2025525 AMAQI
5 AM5th Aug 2025526 AMAQI
5th Aug 2025527 AMAQI
5th Aug 2025538 AMAQI
5th Aug 2025389 AMAQI
5th Aug 20253810 AMAQI
5th Aug 20254211 AMAQI
5th Aug 20254112 PMAQI
12 PM5th Aug 2025411 PMAQI
5th Aug 2025502 PMAQI
5th Aug 2025363 PMAQI
5th Aug 2025454 PMAQI
5th Aug 2025395 PMAQI
5th Aug 2025366 PMAQI
5th Aug 2025337 PMAQI
7 PM5th Aug 2025438 PMAQI
5th Aug 2025429 PMAQI
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 AM
50AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM
42AQI
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. 50), while the lowest AQI was between 7 PM to 7 PM (Avg. 42).
Night time
Avg. Highest Time
2 AM - 4 AM
50AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
8 PM
43AQI
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. 50), while the lowest AQI was between 8 PM to 8 PM (Avg. 43).
2025 Days Vs Air Quality
Iwakuni, Yamaguchi, Japan
2025
70%
151
30%
65
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
151 DaysModerate
65 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 70%
Health Risk Level:
Low
In 2025, 70% of 217 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
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
28AQI
28AQI
2nd January 2025
32AQI
32AQI
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
39AQI
39AQI
14th January 2025
45AQI
45AQI
15th January 2025
37AQI
37AQI
16th January 2025
34AQI
34AQI
17th January 2025
31AQI
31AQI
18th January 2025
30AQI
30AQI
19th January 2025
40AQI
40AQI
20th January 2025
40AQI
40AQI
21st January 2025
49AQI
49AQI
22nd January 2025
59AQI
59AQI
23rd January 2025
70AQI
70AQI
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
31AQI
31AQI
9th February 2025
29AQI
29AQI
10th February 2025
30AQI
30AQI
11th February 2025
33AQI
33AQI
12th February 2025
34AQI
34AQI
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
34AQI
34AQI
19th February 2025
34AQI
34AQI
20th February 2025
31AQI
31AQI
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
64AQI
64AQI
28th February 2025
59AQI
59AQI
1st March 2025
69AQI
69AQI
2nd March 2025
75AQI
75AQI
3rd March 2025
47AQI
47AQI
4th March 2025
41AQI
41AQI
5th March 2025
31AQI
31AQI
6th March 2025
36AQI
36AQI
7th March 2025
32AQI
32AQI
8th March 2025
39AQI
39AQI
9th March 2025
40AQI
40AQI
10th March 2025
40AQI
40AQI
11th March 2025
45AQI
45AQI
12th March 2025
50AQI
50AQI
13th March 2025
51AQI
51AQI
14th March 2025
35AQI
35AQI
15th March 2025
35AQI
35AQI
16th March 2025
20AQI
20AQI
17th March 2025
34AQI
34AQI
18th March 2025
30AQI
30AQI
19th March 2025
38AQI
38AQI
20th March 2025
46AQI
46AQI
21st March 2025
53AQI
53AQI
22nd March 2025
64AQI
64AQI
23rd March 2025
67AQI
67AQI
24th March 2025
59AQI
59AQI
25th March 2025
67AQI
67AQI
26th March 2025
72AQI
72AQI
27th March 2025
61AQI
61AQI
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
32AQI
32AQI
3rd April 2025
26AQI
26AQI
4th April 2025
30AQI
30AQI
5th April 2025
40AQI
40AQI
6th April 2025
39AQI
39AQI
7th April 2025
42AQI
42AQI
8th April 2025
37AQI
37AQI
9th April 2025
58AQI
58AQI
10th April 2025
53AQI
53AQI
11th April 2025
56AQI
56AQI
12th April 2025
54AQI
54AQI
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
53AQI
53AQI
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
64AQI
64AQI
26th April 2025
56AQI
56AQI
27th April 2025
59AQI
59AQI
28th April 2025
49AQI
49AQI
29th April 2025
48AQI
48AQI
30th April 2025
56AQI
56AQI
1st May 2025
54AQI
54AQI
2nd May 2025
41AQI
41AQI
3rd May 2025
47AQI
47AQI
4th May 2025
39AQI
39AQI
5th May 2025
44AQI
44AQI
6th May 2025
32AQI
32AQI
7th May 2025
34AQI
34AQI
8th May 2025
36AQI
36AQI
9th May 2025
37AQI
37AQI
10th May 2025
34AQI
34AQI
11th May 2025
41AQI
41AQI
12th May 2025
51AQI
51AQI
13th May 2025
56AQI
56AQI
14th May 2025
60AQI
60AQI
15th May 2025
56AQI
56AQI
16th May 2025
56AQI
56AQI
17th May 2025
44AQI
44AQI
18th May 2025
53AQI
53AQI
19th May 2025
58AQI
58AQI
20th May 2025
57AQI
57AQI
21st May 2025
47AQI
47AQI
22nd May 2025
43AQI
43AQI
23rd May 2025
47AQI
47AQI
24th May 2025
37AQI
37AQI
25th May 2025
28AQI
28AQI
26th May 2025
35AQI
35AQI
27th May 2025
42AQI
42AQI
28th May 2025
45AQI
45AQI
29th May 2025
50AQI
50AQI
30th May 2025
45AQI
45AQI
31st May 2025
41AQI
41AQI
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
60AQI
60AQI
8th June 2025
65AQI
65AQI
9th June 2025
65AQI
65AQI
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
46AQI
46AQI
19th June 2025
50AQI
50AQI
20th June 2025
56AQI
56AQI
21st June 2025
58AQI
58AQI
22nd June 2025
61AQI
61AQI
23rd June 2025
44AQI
44AQI
24th June 2025
47AQI
47AQI
25th June 2025
48AQI
48AQI
26th June 2025
51AQI
51AQI
27th June 2025
55AQI
55AQI
28th June 2025
56AQI
56AQI
29th June 2025
57AQI
57AQI
30th June 2025
56AQI
56AQI
1st July 2025
60AQI
60AQI
2nd July 2025
78AQI
78AQI
3rd July 2025
88AQI
88AQI
4th July 2025
91AQI
91AQI
5th July 2025
85AQI
85AQI
6th July 2025
66AQI
66AQI
7th July 2025
66AQI
66AQI
8th July 2025
71AQI
71AQI
9th July 2025
76AQI
76AQI
10th July 2025
84AQI
84AQI
11th July 2025
67AQI
67AQI
12th July 2025
61AQI
61AQI
13th July 2025
56AQI
56AQI
14th July 2025
42AQI
42AQI
15th July 2025
55AQI
55AQI
16th July 2025
57AQI
57AQI
17th July 2025
50AQI
50AQI
18th July 2025
38AQI
38AQI
19th July 2025
38AQI
38AQI
20th July 2025
37AQI
37AQI
21st July 2025
32AQI
32AQI
22nd July 2025
31AQI
31AQI
23rd July 2025
35AQI
35AQI
24th July 2025
38AQI
38AQI
25th July 2025
35AQI
35AQI
26th July 2025
28AQI
28AQI
27th July 2025
26AQI
26AQI
28th July 2025
32AQI
32AQI
29th July 2025
36AQI
36AQI
30th July 2025
36AQI
36AQI
31st July 2025
37AQI
37AQI
1st August 2025
43AQI
43AQI
2nd August 2025
42AQI
42AQI
3rd August 2025
42AQI
42AQI
4th August 2025
48AQI
48AQI
38AQI
37AQI
47AQI
45AQI
45AQI
49AQI
53AQI
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
16
14
16
15
4
151
65
Highest AQI recorded in
July53AQI
Lowest AQI recorded in
February37AQI
202438AQI
30
1
24
5
24
7
16
14
21
10
25
5
29
2
23
8
24
6
31
26
4
31
304
62
Highest AQI recorded in
April50AQI
Lowest AQI recorded in
December31AQI
202341AQI
25
5
1
28
20
11
12
18
21
10
19
11
27
4
29
2
27
3
26
5
22
7
26
5
282
81
1
Highest AQI recorded in
April51AQI
Lowest AQI recorded in
August32AQI
202241AQI
28
3
19
2
21
10
19
11
15
16
19
11
15
7
1
25
4
26
5
22
8
30
1
240
78
Highest AQI recorded in
May54AQI
Lowest AQI recorded in
August24AQI
202139AQI
24
7
20
8
23
6
17
4
24
7
11
19
23
8
27
4
24
6
24
7
24
6
30
1
271
83
Highest AQI recorded in
June51AQI
Lowest AQI recorded in
December31AQI
202036AQI
11
2
17
4
13
5
18
12
28
3
16
7
18
1
26
5
27
3
27
4
201
46
Highest AQI recorded in
June45AQI
Lowest AQI recorded in
July30AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
45AQILeast Polluted Year Recorded
2020(Avg.)
36AQIIwakuni's annual 2025 AQI (45) shows an average percentage change of 15.8% (worsened AQI) compared to previous years: 2020 (36), 2021 (39), 2022 (41), 2023 (41), 2024 (38).
