Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

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

2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
15th Aug 2024
60AQI
Lowest AQI recorded on
15th Aug 2023
16AQI

Same Day Analysis (31st August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 1st highest AQI at 45 of Good air quality on the same day.

Day & Night AQI Trend: 31st Jul - 1st Aug 2026

Iwakuni, Yamaguchi, Japan

AQI
Day
Night
.

5 AM31st Jul 2026

7 PM

4 AM1st Aug 2026

Day time
Avg. Highest Time
7PM31st Jul

32AQI

Avg. Lowest Time
8AM31st Jul

23AQI

Night time
Avg. Highest Time
8PM31st Jul

34AQI

Avg. Lowest Time
4AM1st Aug

30AQI

In the last 24 hours,

Iwakuni's AQI reached its highest point of 34 at 8 PM during the Night, while the lowest point, 23, was recorded at 8 AM during the Day between 31st Jul and 1st Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Iwakuni, Yamaguchi, Japan

JulAug
03rd - 04th04th - 05th05th - 06th06th - 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
Day
Night
3rd Jul 202685 AMAQI
3rd Jul 202686 AMAQI
3rd Jul 202677 AMAQI
3rd Jul 202668 AMAQI
3rd Jul 202689 AMAQI
3rd Jul 2026810 AMAQI
3rd Jul 20262211 AMAQI
3rd Jul 20261612 PMAQI
3rd Jul 2026241 PMAQI
3rd Jul 2026242 PMAQI
3rd Jul 2026263 PMAQI
3rd Jul 2026244 PMAQI
3rd Jul 2026245 PMAQI
3rd Jul 2026246 PMAQI
3rd Jul 2026267 PMAQI
3rd Jul 2026268 PMAQI
3rd Jul 2026259 PMAQI
3rd Jul 20262610 PMAQI
3rd Jul 20262511 PMAQI
4th Jul 20262612 AMAQI
4th Jul 2026291 AMAQI
4th Jul 2026272 AMAQI
4th Jul 2026263 AMAQI
4th Jul 2026244 AMAQI

22°C19/25°C

4th Jul 2026265 AMAQI
4th Jul 2026266 AMAQI
4th Jul 2026267 AMAQI
4th Jul 2026268 AMAQI
4th Jul 2026249 AMAQI
4th Jul 20262410 AMAQI
4th Jul 20262311 AMAQI
4th Jul 20262412 PMAQI
4th Jul 2026221 PMAQI
4th Jul 2026232 PMAQI
4th Jul 2026213 PMAQI
4th Jul 2026234 PMAQI
4th Jul 2026225 PMAQI
4th Jul 2026246 PMAQI
4th Jul 2026227 PMAQI
4th Jul 2026228 PMAQI
4th Jul 2026249 PMAQI
4th Jul 20262010 PMAQI
4th Jul 20262211 PMAQI
5th Jul 20262212 AMAQI
5th Jul 2026241 AMAQI
5th Jul 2026232 AMAQI
5th Jul 2026223 AMAQI
5th Jul 2026224 AMAQI

22°C21/22°C

5th Jul 2026235 AMAQI
5th Jul 2026206 AMAQI
5th Jul 2026187 AMAQI
5th Jul 2026208 AMAQI
5th Jul 2026189 AMAQI
5th Jul 20261810 AMAQI
5th Jul 20261611 AMAQI
5th Jul 20261012 PMAQI
5th Jul 202681 PMAQI
5th Jul 2026212 PMAQI
5th Jul 2026183 PMAQI
5th Jul 202674 PMAQI
5th Jul 202685 PMAQI
5th Jul 202686 PMAQI
5th Jul 202697 PMAQI
5th Jul 202698 PMAQI
5th Jul 202689 PMAQI
5th Jul 2026810 PMAQI
5th Jul 20261111 PMAQI
6th Jul 20261212 AMAQI
6th Jul 2026171 AMAQI
6th Jul 202662 AMAQI
6th Jul 202683 AMAQI
6th Jul 202674 AMAQI

23°C22/25°C

6th Jul 2026105 AMAQI
6th Jul 202696 AMAQI
6th Jul 202687 AMAQI
6th Jul 202668 AMAQI
6th Jul 202669 AMAQI
6th Jul 20261610 AMAQI
6th Jul 20261711 AMAQI
6th Jul 2026812 PMAQI
6th Jul 202681 PMAQI
6th Jul 2026112 PMAQI
6th Jul 2026133 PMAQI
6th Jul 2026104 PMAQI
6th Jul 2026105 PMAQI
6th Jul 202686 PMAQI
6th Jul 202687 PMAQI
6th Jul 202688 PMAQI
6th Jul 2026119 PMAQI
6th Jul 2026810 PMAQI
6th Jul 2026811 PMAQI
7th Jul 20261112 AMAQI
7th Jul 2026161 AMAQI
7th Jul 2026122 AMAQI
7th Jul 2026133 AMAQI
7th Jul 2026124 AMAQI

23°C22/26°C

7th Jul 2026285 AMAQI
7th Jul 2026276 AMAQI
7th Jul 2026247 AMAQI
7th Jul 2026238 AMAQI
7th Jul 2026249 AMAQI
7th Jul 20262410 AMAQI
7th Jul 20262411 AMAQI
7th Jul 20262412 PMAQI
7th Jul 2026221 PMAQI
7th Jul 2026182 PMAQI
7th Jul 2026183 PMAQI
7th Jul 2026164 PMAQI
7th Jul 2026185 PMAQI
7th Jul 2026186 PMAQI
7th Jul 2026187 PMAQI
7th Jul 2026188 PMAQI
7th Jul 2026209 PMAQI
7th Jul 20262610 PMAQI
7th Jul 20262011 PMAQI
8th Jul 20261412 AMAQI
8th Jul 2026211 AMAQI
8th Jul 2026142 AMAQI
8th Jul 2026163 AMAQI
8th Jul 2026154 AMAQI

24°C22/27°C

8th Jul 2026125 AMAQI
8th Jul 2026126 AMAQI
8th Jul 2026167 AMAQI
8th Jul 2026148 AMAQI
8th Jul 2026159 AMAQI
8th Jul 2026810 AMAQI
8th Jul 20261411 AMAQI
8th Jul 20261012 PMAQI
8th Jul 2026141 PMAQI
8th Jul 2026122 PMAQI
8th Jul 2026143 PMAQI
8th Jul 2026144 PMAQI
8th Jul 2026185 PMAQI
8th Jul 2026146 PMAQI
8th Jul 2026107 PMAQI
8th Jul 2026108 PMAQI
8th Jul 2026149 PMAQI
8th Jul 20261210 PMAQI
8th Jul 2026811 PMAQI
9th Jul 2026812 AMAQI
9th Jul 202681 AMAQI
9th Jul 202662 AMAQI
9th Jul 202683 AMAQI
9th Jul 202674 AMAQI

25°C23/28°C

9th Jul 202695 AMAQI
9th Jul 202686 AMAQI
9th Jul 202697 AMAQI
9th Jul 2026118 AMAQI
9th Jul 2026109 AMAQI
9th Jul 20261010 AMAQI
9th Jul 20261211 AMAQI
9th Jul 20261212 PMAQI
9th Jul 202681 PMAQI
9th Jul 2026202 PMAQI
9th Jul 2026243 PMAQI
9th Jul 2026254 PMAQI
9th Jul 2026235 PMAQI
9th Jul 2026226 PMAQI
9th Jul 2026247 PMAQI
9th Jul 2026248 PMAQI
9th Jul 2026219 PMAQI
9th Jul 20262410 PMAQI
9th Jul 20262611 PMAQI
10th Jul 20262612 AMAQI
10th Jul 2026271 AMAQI
10th Jul 2026242 AMAQI
10th Jul 2026253 AMAQI
10th Jul 2026234 AMAQI

24°C22/27°C

10th Jul 2026275 AMAQI
10th Jul 2026276 AMAQI
10th Jul 2026267 AMAQI
10th Jul 2026288 AMAQI
10th Jul 2026279 AMAQI
10th Jul 20262710 AMAQI
10th Jul 20262611 AMAQI
10th Jul 20262412 PMAQI
10th Jul 2026241 PMAQI
10th Jul 2026222 PMAQI
10th Jul 2026243 PMAQI
10th Jul 2026234 PMAQI
10th Jul 2026275 PMAQI
10th Jul 2026266 PMAQI
10th Jul 2026287 PMAQI
10th Jul 2026288 PMAQI
10th Jul 2026279 PMAQI
10th Jul 20262910 PMAQI
10th Jul 20263111 PMAQI
11th Jul 20263012 AMAQI
11th Jul 2026311 AMAQI
11th Jul 2026282 AMAQI
11th Jul 2026203 AMAQI
11th Jul 2026264 AMAQI

24°C21/28°C

11th Jul 2026285 AMAQI
11th Jul 2026286 AMAQI
11th Jul 2026237 AMAQI
11th Jul 2026208 AMAQI
11th Jul 2026309 AMAQI
11th Jul 20263010 AMAQI
11th Jul 20262711 AMAQI
11th Jul 20262412 PMAQI
11th Jul 2026221 PMAQI
11th Jul 2026222 PMAQI
11th Jul 2026203 PMAQI
11th Jul 2026264 PMAQI
11th Jul 2026285 PMAQI
11th Jul 2026246 PMAQI
11th Jul 2026287 PMAQI
11th Jul 2026258 PMAQI
11th Jul 2026289 PMAQI
11th Jul 20262810 PMAQI
11th Jul 20262911 PMAQI
12th Jul 20262312 AMAQI
12th Jul 2026281 AMAQI
12th Jul 2026292 AMAQI
12th Jul 2026243 AMAQI
12th Jul 2026244 AMAQI

25°C22/28°C

12th Jul 2026265 AMAQI
12th Jul 2026236 AMAQI
12th Jul 2026277 AMAQI
12th Jul 2026278 AMAQI
12th Jul 2026289 AMAQI
12th Jul 20262810 AMAQI
12th Jul 20262611 AMAQI
12th Jul 20262412 PMAQI
12th Jul 2026241 PMAQI
12th Jul 2026212 PMAQI
12th Jul 2026223 PMAQI
12th Jul 2026204 PMAQI
12th Jul 2026265 PMAQI
12th Jul 2026256 PMAQI
12th Jul 2026277 PMAQI
12th Jul 2026268 PMAQI
12th Jul 2026299 PMAQI
12th Jul 20262610 PMAQI
12th Jul 20262611 PMAQI
13th Jul 20263012 AMAQI
13th Jul 2026281 AMAQI
13th Jul 2026282 AMAQI
13th Jul 2026283 AMAQI
13th Jul 2026274 AMAQI

26°C23/30°C

13th Jul 2026255 AMAQI
13th Jul 2026266 AMAQI
13th Jul 2026267 AMAQI
13th Jul 2026288 AMAQI
13th Jul 2026269 AMAQI
13th Jul 20263010 AMAQI
13th Jul 20262611 AMAQI
13th Jul 20262612 PMAQI
13th Jul 2026501 PMAQI
13th Jul 2026212 PMAQI
13th Jul 2026243 PMAQI
13th Jul 2026204 PMAQI
13th Jul 2026225 PMAQI
13th Jul 2026206 PMAQI
13th Jul 2026197 PMAQI
13th Jul 2026248 PMAQI
13th Jul 2026289 PMAQI
13th Jul 20263210 PMAQI
13th Jul 20263511 PMAQI
14th Jul 20263412 AMAQI
14th Jul 2026341 AMAQI
14th Jul 2026322 AMAQI
14th Jul 2026303 AMAQI
14th Jul 2026274 AMAQI

26°C23/30°C

14th Jul 2026315 AMAQI
14th Jul 2026326 AMAQI
14th Jul 2026297 AMAQI
14th Jul 2026288 AMAQI
14th Jul 2026309 AMAQI
14th Jul 20262210 AMAQI
14th Jul 20261411 AMAQI
14th Jul 20261212 PMAQI
14th Jul 2026151 PMAQI
14th Jul 2026202 PMAQI
14th Jul 2026223 PMAQI
14th Jul 2026244 PMAQI
14th Jul 2026285 PMAQI
14th Jul 2026306 PMAQI
14th Jul 2026307 PMAQI
14th Jul 2026298 PMAQI
14th Jul 2026329 PMAQI
14th Jul 20263210 PMAQI
14th Jul 20263211 PMAQI
15th Jul 20263212 AMAQI
15th Jul 2026301 AMAQI
15th Jul 2026312 AMAQI
15th Jul 2026303 AMAQI
15th Jul 2026284 AMAQI

27°C23/31°C

15th Jul 2026305 AMAQI
15th Jul 2026286 AMAQI
15th Jul 2026297 AMAQI
15th Jul 2026308 AMAQI
15th Jul 2026289 AMAQI
15th Jul 20262710 AMAQI
15th Jul 20262611 AMAQI
15th Jul 20262012 PMAQI
15th Jul 2026201 PMAQI
15th Jul 2026192 PMAQI
15th Jul 2026173 PMAQI
15th Jul 2026204 PMAQI
15th Jul 2026225 PMAQI
15th Jul 2026206 PMAQI
15th Jul 2026207 PMAQI
15th Jul 2026228 PMAQI
15th Jul 2026229 PMAQI
15th Jul 20261910 PMAQI
15th Jul 20262011 PMAQI
16th Jul 20262012 AMAQI
16th Jul 2026211 AMAQI
16th Jul 2026232 AMAQI
16th Jul 2026243 AMAQI
16th Jul 2026254 AMAQI

26°C23/30°C

16th Jul 2026255 AMAQI
16th Jul 2026216 AMAQI
16th Jul 2026207 AMAQI
16th Jul 2026238 AMAQI
16th Jul 2026189 AMAQI
16th Jul 20262010 AMAQI
16th Jul 20262011 AMAQI
16th Jul 20261812 PMAQI
16th Jul 2026211 PMAQI
16th Jul 2026242 PMAQI
16th Jul 2026243 PMAQI
16th Jul 2026234 PMAQI
16th Jul 2026345 PMAQI
16th Jul 2026266 PMAQI
16th Jul 2026277 PMAQI
16th Jul 2026228 PMAQI
16th Jul 2026209 PMAQI
16th Jul 20262210 PMAQI
16th Jul 20262711 PMAQI
17th Jul 20262712 AMAQI
17th Jul 2026311 AMAQI
17th Jul 2026262 AMAQI
17th Jul 2026243 AMAQI
17th Jul 2026254 AMAQI

27°C24/32°C

17th Jul 2026245 AMAQI
17th Jul 2026256 AMAQI
17th Jul 2026237 AMAQI
17th Jul 2026228 AMAQI
17th Jul 2026269 AMAQI
17th Jul 20262510 AMAQI
17th Jul 20262811 AMAQI
17th Jul 20262612 PMAQI
17th Jul 2026261 PMAQI
17th Jul 2026282 PMAQI
17th Jul 2026263 PMAQI
17th Jul 2026524 PMAQI
17th Jul 2026545 PMAQI
17th Jul 2026546 PMAQI
17th Jul 2026557 PMAQI
17th Jul 2026508 PMAQI
17th Jul 2026469 PMAQI
17th Jul 20264810 PMAQI
17th Jul 20264611 PMAQI
18th Jul 20264612 AMAQI
18th Jul 2026501 AMAQI
18th Jul 2026362 AMAQI
18th Jul 2026383 AMAQI
18th Jul 2026434 AMAQI

26°C22/29°C

18th Jul 2026415 AMAQI
18th Jul 2026426 AMAQI
18th Jul 2026387 AMAQI
18th Jul 2026378 AMAQI
18th Jul 2026409 AMAQI
18th Jul 20263810 AMAQI
18th Jul 20264011 AMAQI
18th Jul 20264312 PMAQI
18th Jul 2026461 PMAQI
18th Jul 2026442 PMAQI
18th Jul 2026463 PMAQI
18th Jul 2026594 PMAQI
18th Jul 2026715 PMAQI
18th Jul 2026706 PMAQI
18th Jul 2026687 PMAQI
18th Jul 2026668 PMAQI
18th Jul 2026689 PMAQI
18th Jul 20266610 PMAQI
18th Jul 20266411 PMAQI
19th Jul 20266012 AMAQI
19th Jul 2026571 AMAQI
19th Jul 2026562 AMAQI
19th Jul 2026543 AMAQI
19th Jul 2026544 AMAQI

27°C24/30°C

19th Jul 2026505 AMAQI
19th Jul 2026486 AMAQI
19th Jul 2026507 AMAQI
19th Jul 2026478 AMAQI
19th Jul 2026459 AMAQI
19th Jul 20264610 AMAQI
19th Jul 20264811 AMAQI
19th Jul 20264612 PMAQI
19th Jul 2026461 PMAQI
19th Jul 2026492 PMAQI
19th Jul 2026503 PMAQI
19th Jul 2026474 PMAQI
19th Jul 2026485 PMAQI
19th Jul 2026486 PMAQI
19th Jul 2026467 PMAQI
19th Jul 2026458 PMAQI
19th Jul 2026489 PMAQI
19th Jul 20264610 PMAQI
19th Jul 20265011 PMAQI
20th Jul 20265012 AMAQI
20th Jul 2026551 AMAQI
20th Jul 2026632 AMAQI
20th Jul 2026593 AMAQI
20th Jul 2026514 AMAQI

27°C24/30°C

20th Jul 2026535 AMAQI
20th Jul 2026556 AMAQI
20th Jul 2026527 AMAQI
20th Jul 2026528 AMAQI
20th Jul 2026529 AMAQI
20th Jul 20265610 AMAQI
20th Jul 20265811 AMAQI
20th Jul 20265812 PMAQI
20th Jul 2026521 PMAQI
20th Jul 2026522 PMAQI
20th Jul 2026543 PMAQI
20th Jul 2026524 PMAQI
20th Jul 2026545 PMAQI
20th Jul 2026526 PMAQI
20th Jul 2026507 PMAQI
20th Jul 2026568 PMAQI
20th Jul 2026529 PMAQI
20th Jul 20264810 PMAQI
20th Jul 20265011 PMAQI
21st Jul 20265012 AMAQI
21st Jul 2026481 AMAQI
21st Jul 2026582 AMAQI
21st Jul 2026563 AMAQI
21st Jul 2026544 AMAQI

27°C24/30°C

21st Jul 2026605 AMAQI
21st Jul 2026606 AMAQI
21st Jul 2026617 AMAQI
21st Jul 2026628 AMAQI
21st Jul 2026609 AMAQI
21st Jul 20266410 AMAQI
21st Jul 20267311 AMAQI
21st Jul 2026881 PMAQI
21st Jul 2026862 PMAQI
21st Jul 2026753 PMAQI
21st Jul 2026754 PMAQI
21st Jul 2026385 PMAQI
21st Jul 2026406 PMAQI
21st Jul 2026827 PMAQI
21st Jul 2026648 PMAQI
21st Jul 2026729 PMAQI
21st Jul 20267810 PMAQI
21st Jul 20267811 PMAQI
22nd Jul 20267412 AMAQI
22nd Jul 2026731 AMAQI
22nd Jul 2026702 AMAQI
22nd Jul 2026713 AMAQI
22nd Jul 2026664 AMAQI

27°C24/31°C

22nd Jul 2026655 AMAQI
22nd Jul 2026666 AMAQI
22nd Jul 2026627 AMAQI
22nd Jul 2026628 AMAQI
22nd Jul 2026729 AMAQI
22nd Jul 20267110 AMAQI
22nd Jul 20267011 AMAQI
22nd Jul 20268012 PMAQI
22nd Jul 2026731 PMAQI
22nd Jul 2026642 PMAQI
22nd Jul 2026663 PMAQI
22nd Jul 2026604 PMAQI
22nd Jul 2026545 PMAQI
22nd Jul 2026446 PMAQI
22nd Jul 2026587 PMAQI
22nd Jul 2026558 PMAQI
22nd Jul 2026569 PMAQI
22nd Jul 20265910 PMAQI
22nd Jul 20265611 PMAQI
23rd Jul 20264812 AMAQI
23rd Jul 2026441 AMAQI
23rd Jul 2026392 AMAQI
23rd Jul 2026283 AMAQI
23rd Jul 2026324 AMAQI

27°C24/31°C

23rd Jul 2026275 AMAQI
23rd Jul 2026276 AMAQI
23rd Jul 2026277 AMAQI
23rd Jul 2026288 AMAQI
23rd Jul 2026319 AMAQI
23rd Jul 20263610 AMAQI
23rd Jul 20264711 AMAQI
23rd Jul 20265512 PMAQI
23rd Jul 2026511 PMAQI
23rd Jul 2026602 PMAQI
23rd Jul 2026533 PMAQI
23rd Jul 2026564 PMAQI
23rd Jul 2026575 PMAQI
23rd Jul 2026706 PMAQI
23rd Jul 2026587 PMAQI
23rd Jul 2026608 PMAQI
23rd Jul 2026549 PMAQI
23rd Jul 20264710 PMAQI
23rd Jul 20264611 PMAQI
24th Jul 20263412 AMAQI
24th Jul 2026361 AMAQI
24th Jul 2026342 AMAQI
24th Jul 2026343 AMAQI
24th Jul 2026304 AMAQI

27°C24/32°C

24th Jul 2026275 AMAQI
24th Jul 2026286 AMAQI
24th Jul 2026317 AMAQI
24th Jul 2026318 AMAQI
24th Jul 2026369 AMAQI
24th Jul 20264010 AMAQI
24th Jul 20265411 AMAQI
24th Jul 20266812 PMAQI
24th Jul 2026671 PMAQI
24th Jul 2026702 PMAQI
24th Jul 2026643 PMAQI
24th Jul 2026564 PMAQI
24th Jul 2026555 PMAQI
24th Jul 2026586 PMAQI
24th Jul 2026627 PMAQI
24th Jul 2026528 PMAQI
24th Jul 2026489 PMAQI
24th Jul 20264810 PMAQI
24th Jul 20265811 PMAQI
25th Jul 20265312 AMAQI
25th Jul 2026461 AMAQI
25th Jul 2026472 AMAQI
25th Jul 2026373 AMAQI
25th Jul 2026374 AMAQI

27°C23/31°C

25th Jul 2026345 AMAQI
25th Jul 2026366 AMAQI
25th Jul 2026337 AMAQI
25th Jul 2026348 AMAQI
25th Jul 2026319 AMAQI
25th Jul 20263410 AMAQI
25th Jul 20265611 AMAQI
25th Jul 20265012 PMAQI
25th Jul 2026541 PMAQI
25th Jul 2026402 PMAQI
25th Jul 2026403 PMAQI
25th Jul 2026434 PMAQI
25th Jul 2026445 PMAQI
25th Jul 2026416 PMAQI
25th Jul 2026417 PMAQI
25th Jul 2026428 PMAQI
25th Jul 2026429 PMAQI
25th Jul 20263810 PMAQI
25th Jul 20264011 PMAQI
26th Jul 20263812 AMAQI
26th Jul 2026251 AMAQI
26th Jul 2026232 AMAQI
26th Jul 2026233 AMAQI
26th Jul 2026224 AMAQI

28°C24/32°C

26th Jul 2026215 AMAQI
26th Jul 2026226 AMAQI
26th Jul 2026217 AMAQI
26th Jul 2026228 AMAQI
26th Jul 2026219 AMAQI
26th Jul 20262110 AMAQI
26th Jul 20262411 AMAQI
26th Jul 20263912 PMAQI
26th Jul 2026281 PMAQI
26th Jul 2026272 PMAQI
26th Jul 2026273 PMAQI
26th Jul 2026254 PMAQI
26th Jul 2026285 PMAQI
26th Jul 2026296 PMAQI
26th Jul 2026277 PMAQI
26th Jul 2026308 PMAQI
26th Jul 2026349 PMAQI
26th Jul 20263210 PMAQI
26th Jul 20263411 PMAQI
27th Jul 20263612 AMAQI
27th Jul 2026361 AMAQI
27th Jul 2026362 AMAQI
27th Jul 2026343 AMAQI
27th Jul 2026304 AMAQI

27°C24/31°C

27th Jul 2026295 AMAQI
27th Jul 2026286 AMAQI
27th Jul 2026297 AMAQI
27th Jul 2026268 AMAQI
27th Jul 2026289 AMAQI
27th Jul 20262810 AMAQI
27th Jul 20263411 AMAQI
27th Jul 20263812 PMAQI
27th Jul 2026411 PMAQI
27th Jul 2026412 PMAQI
27th Jul 2026383 PMAQI
27th Jul 2026384 PMAQI
27th Jul 2026385 PMAQI
27th Jul 2026426 PMAQI
27th Jul 2026467 PMAQI
27th Jul 2026448 PMAQI
27th Jul 2026489 PMAQI
27th Jul 20264410 PMAQI
27th Jul 20264211 PMAQI
28th Jul 20264412 AMAQI
28th Jul 2026481 AMAQI
28th Jul 2026432 AMAQI
28th Jul 2026413 AMAQI
28th Jul 2026424 AMAQI

28°C24/32°C

28th Jul 2026395 AMAQI
28th Jul 2026406 AMAQI
28th Jul 2026407 AMAQI
28th Jul 2026378 AMAQI
28th Jul 2026369 AMAQI
28th Jul 20263410 AMAQI
28th Jul 20262911 AMAQI
28th Jul 20262612 PMAQI
28th Jul 2026271 PMAQI
28th Jul 2026272 PMAQI
28th Jul 2026263 PMAQI
28th Jul 2026294 PMAQI
28th Jul 2026255 PMAQI
28th Jul 2026246 PMAQI
28th Jul 2026237 PMAQI
28th Jul 2026238 PMAQI
28th Jul 2026239 PMAQI
28th Jul 20262410 PMAQI
28th Jul 20262611 PMAQI
29th Jul 20262712 AMAQI
29th Jul 2026311 AMAQI
29th Jul 2026242 AMAQI
29th Jul 2026233 AMAQI
29th Jul 2026234 AMAQI

28°C23/34°C

29th Jul 2026255 AMAQI
29th Jul 2026256 AMAQI
29th Jul 2026237 AMAQI
29th Jul 2026248 AMAQI
29th Jul 2026259 AMAQI
29th Jul 20262310 AMAQI
29th Jul 20262311 AMAQI
29th Jul 20262712 PMAQI
29th Jul 2026281 PMAQI
29th Jul 2026342 PMAQI
29th Jul 2026303 PMAQI
29th Jul 2026324 PMAQI
29th Jul 2026305 PMAQI
29th Jul 2026306 PMAQI
29th Jul 2026307 PMAQI
29th Jul 2026308 PMAQI
29th Jul 2026329 PMAQI
29th Jul 20263210 PMAQI
29th Jul 20263411 PMAQI
30th Jul 20263212 AMAQI
30th Jul 2026341 AMAQI
30th Jul 2026322 AMAQI
30th Jul 2026303 AMAQI
30th Jul 2026304 AMAQI

25°C22/29°C

30th Jul 2026325 AMAQI
30th Jul 2026316 AMAQI
30th Jul 2026317 AMAQI
30th Jul 2026318 AMAQI
30th Jul 2026329 AMAQI
30th Jul 20262910 AMAQI
30th Jul 20263211 AMAQI
30th Jul 20263212 PMAQI
30th Jul 2026321 PMAQI
30th Jul 2026302 PMAQI
30th Jul 2026313 PMAQI
30th Jul 2026294 PMAQI
30th Jul 2026295 PMAQI
30th Jul 2026276 PMAQI
30th Jul 2026297 PMAQI
30th Jul 2026268 PMAQI
30th Jul 2026269 PMAQI
30th Jul 20262610 PMAQI
30th Jul 20262411 PMAQI
31st Jul 20262312 AMAQI
31st Jul 2026231 AMAQI
31st Jul 2026242 AMAQI
31st Jul 2026263 AMAQI
31st Jul 2026254 AMAQI

27°C24/32°C

31st Jul 2026235 AMAQI
31st Jul 2026236 AMAQI
31st Jul 2026247 AMAQI
31st Jul 2026238 AMAQI
31st Jul 2026249 AMAQI
31st Jul 20262410 AMAQI
31st Jul 20262411 AMAQI
31st Jul 20262412 PMAQI
31st Jul 2026241 PMAQI
31st Jul 2026252 PMAQI
31st Jul 2026263 PMAQI
31st Jul 2026274 PMAQI
31st Jul 2026265 PMAQI
31st Jul 2026276 PMAQI
31st Jul 2026327 PMAQI
31st Jul 2026348 PMAQI
31st Jul 2026329 PMAQI
31st Jul 20263210 PMAQI
31st Jul 20263211 PMAQI
1st Aug 20263212 AMAQI
1st Aug 2026341 AMAQI
1st Aug 2026302 AMAQI
1st Aug 2026303 AMAQI
1st Aug 2026304 AMAQI

26°C22/31°C

1st Aug 2026285 AMAQI
5 AM
1st Aug 2026306 AMAQI
1st Aug 2026287 AMAQI
1st Aug 2026288 AMAQI
1st Aug 2026279 AMAQI
1st Aug 20262710 AMAQI
1st Aug 20262811 AMAQI
1st Aug 20263212 PMAQI
12 PM
1st Aug 2026321 PMAQI
1st Aug 2026322 PMAQI
1st Aug 2026323 PMAQI
1st Aug 2026324 PMAQI
1st Aug 2026365 PMAQI
1st Aug 2026386 PMAQI
1st Aug 2026407 PMAQI
7 PM
1st Aug 2026418 PMAQI
1st Aug 2026359 PMAQI
1st Aug 20263410 PMAQI
1st Aug 20263611 PMAQI
12 AM
4 AM

27°C23/33°C

Day time
Avg. Highest Time
7 PM

35AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
6 AM - 9 AM

29AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 7 PM (Avg. 35), while the lowest AQI was between 6 AM to 9 AM (Avg. 29).
Night time
Avg. Highest Time
8 PM - 11 PM

34AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
4 AM

29AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 11 PM (Avg. 34), while the lowest AQI was between 4 AM to 4 AM (Avg. 29).

2026 Days Vs Air Quality

Iwakuni, Yamaguchi, Japan

2026

85%

180

15%

32

Total number of days with different AQI categories in last 213 days in 2026 (152 days remaining)

Good
180 Days
Moderate
32 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 85%

Health Risk Level:

Low

In 2026, 85% of 213 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 2026

AQI (US)
PM₂.₅
PM₁₀
CO
SO₂
NO₂
O₃
Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
22AQI (US)
2nd January 2026
18AQI (US)
3rd January 2026
23AQI (US)
4th January 2026
36AQI (US)
5th January 2026
45AQI (US)
6th January 2026
30AQI (US)
7th January 2026
31AQI (US)
8th January 2026
34AQI (US)
9th January 2026
20AQI (US)
10th January 2026
30AQI (US)
11th January 2026
27AQI (US)
12th January 2026
22AQI (US)
13th January 2026
32AQI (US)
14th January 2026
26AQI (US)
15th January 2026
42AQI (US)
16th January 2026
63AQI (US)
17th January 2026
64AQI (US)
18th January 2026
64AQI (US)
19th January 2026
70AQI (US)
20th January 2026
28AQI (US)
21st January 2026
10AQI (US)
22nd January 2026
20AQI (US)
23rd January 2026
35AQI (US)
24th January 2026
46AQI (US)
25th January 2026
28AQI (US)
26th January 2026
21AQI (US)
27th January 2026
40AQI (US)
28th January 2026
32AQI (US)
29th January 2026
34AQI (US)
30th January 2026
24AQI (US)
31st January 2026
18AQI (US)
1st February 2026
42AQI (US)
2nd February 2026
42AQI (US)
3rd February 2026
29AQI (US)
4th February 2026
36AQI (US)
5th February 2026
46AQI (US)
6th February 2026
46AQI (US)
7th February 2026
26AQI (US)
8th February 2026
27AQI (US)
9th February 2026
36AQI (US)
10th February 2026
42AQI (US)
11th February 2026
21AQI (US)
12th February 2026
36AQI (US)
13th February 2026
54AQI (US)
14th February 2026
61AQI (US)
15th February 2026
48AQI (US)
16th February 2026
57AQI (US)
17th February 2026
24AQI (US)
18th February 2026
28AQI (US)
19th February 2026
48AQI (US)
20th February 2026
42AQI (US)
21st February 2026
59AQI (US)
22nd February 2026
46AQI (US)
23rd February 2026
44AQI (US)
24th February 2026
32AQI (US)
25th February 2026
24AQI (US)
26th February 2026
12AQI (US)
27th February 2026
50AQI (US)
28th February 2026
32AQI (US)
1st March 2026
37AQI (US)
2nd March 2026
58AQI (US)
3rd March 2026
37AQI (US)
4th March 2026
43AQI (US)
5th March 2026
48AQI (US)
6th March 2026
50AQI (US)
7th March 2026
45AQI (US)
8th March 2026
37AQI (US)
9th March 2026
42AQI (US)
10th March 2026
58AQI (US)
11th March 2026
54AQI (US)
12th March 2026
58AQI (US)
13th March 2026
36AQI (US)
14th March 2026
42AQI (US)
15th March 2026
58AQI (US)
16th March 2026
50AQI (US)
17th March 2026
42AQI (US)
18th March 2026
48AQI (US)
19th March 2026
48AQI (US)
20th March 2026
53AQI (US)
21st March 2026
41AQI (US)
22nd March 2026
48AQI (US)
23rd March 2026
34AQI (US)
24th March 2026
46AQI (US)
25th March 2026
60AQI (US)
26th March 2026
34AQI (US)
27th March 2026
48AQI (US)
28th March 2026
68AQI (US)
29th March 2026
70AQI (US)
30th March 2026
66AQI (US)
31st March 2026
17AQI (US)
1st April 2026
11AQI (US)
2nd April 2026
52AQI (US)
3rd April 2026
48AQI (US)
4th April 2026
44AQI (US)
5th April 2026
39AQI (US)
6th April 2026
48AQI (US)
7th April 2026
23AQI (US)
8th April 2026
22AQI (US)
9th April 2026
32AQI (US)
10th April 2026
45AQI (US)
11th April 2026
30AQI (US)
12th April 2026
34AQI (US)
13th April 2026
37AQI (US)
14th April 2026
40AQI (US)
15th April 2026
27AQI (US)
16th April 2026
20AQI (US)
17th April 2026
34AQI (US)
18th April 2026
30AQI (US)
19th April 2026
31AQI (US)
20th April 2026
34AQI (US)
21st April 2026
38AQI (US)
22nd April 2026
45AQI (US)
23rd April 2026
34AQI (US)
24th April 2026
28AQI (US)
25th April 2026
46AQI (US)
26th April 2026
49AQI (US)
27th April 2026
50AQI (US)
28th April 2026
48AQI (US)
29th April 2026
42AQI (US)
30th April 2026
28AQI (US)
1st May 2026
48AQI (US)
2nd May 2026
52AQI (US)
3rd May 2026
36AQI (US)
4th May 2026
23AQI (US)
5th May 2026
24AQI (US)
6th May 2026
28AQI (US)
7th May 2026
30AQI (US)
8th May 2026
26AQI (US)
9th May 2026
27AQI (US)
10th May 2026
30AQI (US)
11th May 2026
30AQI (US)
12th May 2026
28AQI (US)
13th May 2026
36AQI (US)
14th May 2026
29AQI (US)
15th May 2026
32AQI (US)
16th May 2026
77AQI (US)
17th May 2026
63AQI (US)
18th May 2026
53AQI (US)
19th May 2026
46AQI (US)
20th May 2026
60AQI (US)
21st May 2026
65AQI (US)
22nd May 2026
69AQI (US)
23rd May 2026
62AQI (US)
24th May 2026
62AQI (US)
25th May 2026
54AQI (US)
26th May 2026
40AQI (US)
27th May 2026
24AQI (US)
28th May 2026
25AQI (US)
29th May 2026
21AQI (US)
30th May 2026
23AQI (US)
31st May 2026
27AQI (US)
1st June 2026
28AQI (US)
2nd June 2026
20AQI (US)
3rd June 2026
16AQI (US)
4th June 2026
25AQI (US)
5th June 2026
22AQI (US)
6th June 2026
24AQI (US)
7th June 2026
18AQI (US)
8th June 2026
11AQI (US)
9th June 2026
24AQI (US)
10th June 2026
22AQI (US)
11th June 2026
21AQI (US)
12th June 2026
19AQI (US)
13th June 2026
25AQI (US)
14th June 2026
36AQI (US)
15th June 2026
50AQI (US)
16th June 2026
32AQI (US)
17th June 2026
26AQI (US)
18th June 2026
28AQI (US)
19th June 2026
49AQI (US)
20th June 2026
29AQI (US)
21st June 2026
14AQI (US)
22nd June 2026
14AQI (US)
23rd June 2026
22AQI (US)
24th June 2026
21AQI (US)
25th June 2026
26AQI (US)
26th June 2026
30AQI (US)
27th June 2026
26AQI (US)
28th June 2026
28AQI (US)
29th June 2026
26AQI (US)
30th June 2026
38AQI (US)
1st July 2026
34AQI (US)
2nd July 2026
14AQI (US)
3rd July 2026
17AQI (US)
4th July 2026
24AQI (US)
5th July 2026
16AQI (US)
6th July 2026
10AQI (US)
7th July 2026
20AQI (US)
8th July 2026
13AQI (US)
9th July 2026
14AQI (US)
10th July 2026
26AQI (US)
11th July 2026
26AQI (US)
12th July 2026
26AQI (US)
13th July 2026
27AQI (US)
14th July 2026
27AQI (US)
15th July 2026
24AQI (US)
16th July 2026
23AQI (US)
17th July 2026
34AQI (US)
18th July 2026
50AQI (US)
19th July 2026
49AQI (US)
20th July 2026
54AQI (US)
21st July 2026
64AQI (US)
22nd July 2026
64AQI (US)
23rd July 2026
45AQI (US)
24th July 2026
46AQI (US)
25th July 2026
42AQI (US)
26th July 2026
26AQI (US)
27th July 2026
36AQI (US)
28th July 2026
32AQI (US)
29th July 2026
28AQI (US)
30th July 2026
30AQI (US)
31st July 2026
26AQI (US)
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

33AQI (US)

39AQI (US)

48AQI (US)

36AQI (US)

40AQI (US)

26AQI (US)

31AQI (US)

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202636AQI (US)

27
4
24
4
21
10
29
1
21
10
30
28
3
180
32

Highest AQI (US) recorded in

March

48AQI (US)

Lowest AQI (US) recorded in

June

26AQI (US)

202544AQI (US)

28
3
25
3
20
11
20
10
22
9
16
14
16
15
31
30
18
13
16
14
19
12
261
104

Highest AQI (US) recorded in

July

53AQI (US)

Lowest AQI (US) recorded in

September

31AQI (US)

202438AQI (US)

29
1
24
5
24
7
16
14
22
9
25
5
29
2
23
8
24
6
31
26
4
31
304
61

Highest AQI (US) recorded in

April

50AQI (US)

Lowest AQI (US) recorded in

December

31AQI (US)

202341AQI (US)

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 (US) recorded in

April

51AQI (US)

Lowest AQI (US) recorded in

August

32AQI (US)

202241AQI (US)

27
3
19
2
21
10
19
11
15
16
19
11
15
7
1
25
4
26
5
23
7
31
241
76

Highest AQI (US) recorded in

May

54AQI (US)

Lowest AQI (US) recorded in

August

24AQI (US)

202139AQI (US)

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 (US) recorded in

June

51AQI (US)

Lowest AQI (US) recorded in

December

32AQI (US)

202036AQI (US)

11
2
17
4
13
5
18
12
28
3
16
7
18
1
26
5
27
3
27
4
201
46

Highest AQI (US) recorded in

June

45AQI (US)

Lowest AQI (US) recorded in

July

30AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
44AQI (US)
Least Polluted Year Recorded
2020(Avg.)
36AQI (US)

Iwakuni's annual 2026 AQI (US) (36) shows an average percentage change of -9.2% (improved AQI (US)) compared to previous years: 2020 (36), 2021 (39), 2022 (41), 2023 (41), 2024 (38), 2025 (44).