Hikari, 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
Hikari, Yamaguchi, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2024
63AQILowest AQI recorded on
23rd Aug 2023
10AQISame Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 42 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Hikari, Yamaguchi, Japan
AQI
Day
Night
.
5 AM2nd Aug 2025
7 PM
4 AM3rd Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
2PM2nd Aug
55AQI
Avg. Lowest Time
1AM3rd Aug
36AQI
In the last 24 hours,
Hikari's AQI reached its highest point of 55 at 2 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Hikari, Yamaguchi, Japan
JulAug
04th - 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 - 02nd02nd - 03rd03rd
Day
Night
4th Jul 2025685 AMAQI
4th Jul 2025696 AMAQI
4th Jul 2025707 AMAQI
4th Jul 2025698 AMAQI
4th Jul 2025899 AMAQI
4th Jul 20259010 AMAQI
4th Jul 20258211 AMAQI
4th Jul 20258012 PMAQI
4th Jul 2025801 PMAQI
4th Jul 2025822 PMAQI
4th Jul 2025823 PMAQI
4th Jul 2025824 PMAQI
4th Jul 2025805 PMAQI
4th Jul 2025816 PMAQI
4th Jul 2025847 PMAQI
4th Jul 2025828 PMAQI
4th Jul 2025749 PMAQI
4th Jul 20257410 PMAQI
4th Jul 20257811 PMAQI
5th Jul 20257512 AMAQI
5th Jul 2025721 AMAQI
5th Jul 2025702 AMAQI
5th Jul 2025703 AMAQI
5th Jul 2025704 AMAQI
27°C23/31°C
5th Jul 2025735 AMAQI
5th Jul 2025736 AMAQI
5th Jul 2025747 AMAQI
5th Jul 2025728 AMAQI
5th Jul 2025789 AMAQI
5th Jul 20257710 AMAQI
5th Jul 20257711 AMAQI
5th Jul 20257312 PMAQI
5th Jul 2025701 PMAQI
5th Jul 2025682 PMAQI
5th Jul 2025663 PMAQI
5th Jul 2025654 PMAQI
5th Jul 2025665 PMAQI
5th Jul 2025686 PMAQI
5th Jul 2025747 PMAQI
5th Jul 2025768 PMAQI
5th Jul 2025709 PMAQI
5th Jul 20256910 PMAQI
5th Jul 20256711 PMAQI
6th Jul 20256612 AMAQI
6th Jul 2025701 AMAQI
6th Jul 2025732 AMAQI
6th Jul 2025733 AMAQI
6th Jul 2025724 AMAQI
27°C24/31°C
6th Jul 2025765 AMAQI
6th Jul 2025746 AMAQI
6th Jul 2025747 AMAQI
6th Jul 2025748 AMAQI
6th Jul 2025559 AMAQI
6th Jul 20253410 AMAQI
6th Jul 20253911 AMAQI
6th Jul 20254012 PMAQI
6th Jul 2025471 PMAQI
6th Jul 2025482 PMAQI
6th Jul 2025473 PMAQI
6th Jul 2025444 PMAQI
6th Jul 2025425 PMAQI
6th Jul 2025466 PMAQI
6th Jul 2025407 PMAQI
6th Jul 2025458 PMAQI
6th Jul 2025619 PMAQI
6th Jul 20256310 PMAQI
6th Jul 20256211 PMAQI
7th Jul 20256212 AMAQI
7th Jul 2025681 AMAQI
7th Jul 2025712 AMAQI
7th Jul 2025723 AMAQI
7th Jul 2025724 AMAQI
27°C23/31°C
7th Jul 2025695 AMAQI
7th Jul 2025696 AMAQI
7th Jul 2025687 AMAQI
7th Jul 2025688 AMAQI
7th Jul 2025459 AMAQI
7th Jul 20254110 AMAQI
7th Jul 20254111 AMAQI
7th Jul 20253812 PMAQI
7th Jul 2025441 PMAQI
7th Jul 2025462 PMAQI
7th Jul 2025483 PMAQI
7th Jul 2025504 PMAQI
7th Jul 2025525 PMAQI
7th Jul 2025546 PMAQI
7th Jul 2025527 PMAQI
7th Jul 2025568 PMAQI
7th Jul 2025639 PMAQI
7th Jul 20256310 PMAQI
7th Jul 20256411 PMAQI
8th Jul 20256412 AMAQI
8th Jul 2025671 AMAQI
8th Jul 2025682 AMAQI
8th Jul 2025683 AMAQI
8th Jul 2025694 AMAQI
27°C23/31°C
8th Jul 2025675 AMAQI
8th Jul 2025666 AMAQI
8th Jul 2025657 AMAQI
8th Jul 2025668 AMAQI
8th Jul 2025589 AMAQI
8th Jul 20255710 AMAQI
8th Jul 20255611 AMAQI
8th Jul 20255612 PMAQI
8th Jul 2025581 PMAQI
8th Jul 2025572 PMAQI
8th Jul 2025583 PMAQI
8th Jul 2025584 PMAQI
8th Jul 2025565 PMAQI
8th Jul 2025556 PMAQI
8th Jul 2025587 PMAQI
8th Jul 2025598 PMAQI
8th Jul 2025649 PMAQI
8th Jul 20256610 PMAQI
8th Jul 20256611 PMAQI
9th Jul 20256512 AMAQI
9th Jul 2025681 AMAQI
9th Jul 2025672 AMAQI
9th Jul 2025673 AMAQI
9th Jul 2025674 AMAQI
27°C24/31°C
9th Jul 2025665 AMAQI
9th Jul 2025666 AMAQI
9th Jul 2025667 AMAQI
9th Jul 2025658 AMAQI
9th Jul 2025629 AMAQI
9th Jul 20256010 AMAQI
9th Jul 20256611 AMAQI
9th Jul 20256612 PMAQI
9th Jul 2025701 PMAQI
9th Jul 2025752 PMAQI
9th Jul 2025743 PMAQI
9th Jul 2025774 PMAQI
9th Jul 2025825 PMAQI
9th Jul 2025836 PMAQI
9th Jul 2025787 PMAQI
9th Jul 2025748 PMAQI
9th Jul 2025709 PMAQI
9th Jul 20257010 PMAQI
9th Jul 20257111 PMAQI
10th Jul 20257112 AMAQI
10th Jul 2025691 AMAQI
10th Jul 2025672 AMAQI
10th Jul 2025673 AMAQI
10th Jul 2025664 AMAQI
27°C24/31°C
10th Jul 2025685 AMAQI
10th Jul 2025686 AMAQI
10th Jul 2025677 AMAQI
10th Jul 2025688 AMAQI
10th Jul 2025739 AMAQI
10th Jul 20257810 AMAQI
10th Jul 20258211 AMAQI
10th Jul 20258512 PMAQI
10th Jul 2025921 PMAQI
10th Jul 2025972 PMAQI
10th Jul 2025983 PMAQI
10th Jul 2025984 PMAQI
10th Jul 2025935 PMAQI
10th Jul 2025946 PMAQI
10th Jul 2025907 PMAQI
10th Jul 2025888 PMAQI
10th Jul 2025799 PMAQI
10th Jul 20257710 PMAQI
10th Jul 20257611 PMAQI
11th Jul 20257612 AMAQI
11th Jul 2025731 AMAQI
11th Jul 2025692 AMAQI
11th Jul 2025683 AMAQI
11th Jul 2025704 AMAQI
27°C24/31°C
11th Jul 2025725 AMAQI
11th Jul 2025716 AMAQI
11th Jul 2025727 AMAQI
11th Jul 2025728 AMAQI
11th Jul 2025719 AMAQI
11th Jul 20257010 AMAQI
11th Jul 20256911 AMAQI
11th Jul 20257012 PMAQI
11th Jul 2025721 PMAQI
11th Jul 2025662 PMAQI
11th Jul 2025713 PMAQI
11th Jul 2025684 PMAQI
11th Jul 2025635 PMAQI
11th Jul 2025666 PMAQI
11th Jul 2025617 PMAQI
11th Jul 2025568 PMAQI
11th Jul 2025609 PMAQI
11th Jul 20256110 PMAQI
11th Jul 20256011 PMAQI
12th Jul 20255912 AMAQI
12th Jul 2025641 AMAQI
12th Jul 2025702 AMAQI
12th Jul 2025703 AMAQI
12th Jul 2025704 AMAQI
26°C24/30°C
12th Jul 2025705 AMAQI
12th Jul 2025706 AMAQI
12th Jul 2025707 AMAQI
12th Jul 2025708 AMAQI
12th Jul 2025469 AMAQI
12th Jul 20253710 AMAQI
12th Jul 20254611 AMAQI
12th Jul 20255012 PMAQI
12th Jul 2025511 PMAQI
12th Jul 2025522 PMAQI
12th Jul 2025543 PMAQI
12th Jul 2025554 PMAQI
12th Jul 2025555 PMAQI
12th Jul 2025546 PMAQI
12th Jul 2025567 PMAQI
12th Jul 2025568 PMAQI
12th Jul 2025599 PMAQI
12th Jul 20255810 PMAQI
12th Jul 20255711 PMAQI
13th Jul 20255712 AMAQI
13th Jul 2025621 AMAQI
13th Jul 2025672 AMAQI
13th Jul 2025673 AMAQI
13th Jul 2025674 AMAQI
26°C24/30°C
13th Jul 2025645 AMAQI
13th Jul 2025646 AMAQI
13th Jul 2025647 AMAQI
13th Jul 2025648 AMAQI
13th Jul 2025429 AMAQI
13th Jul 20252210 AMAQI
13th Jul 20252311 AMAQI
13th Jul 20252612 PMAQI
13th Jul 2025331 PMAQI
13th Jul 2025342 PMAQI
13th Jul 2025343 PMAQI
13th Jul 2025344 PMAQI
13th Jul 2025315 PMAQI
13th Jul 2025336 PMAQI
13th Jul 2025297 PMAQI
13th Jul 2025358 PMAQI
13th Jul 2025549 PMAQI
13th Jul 20255410 PMAQI
13th Jul 20255311 PMAQI
14th Jul 20255312 AMAQI
14th Jul 2025571 AMAQI
14th Jul 2025612 AMAQI
14th Jul 2025633 AMAQI
14th Jul 2025624 AMAQI
26°C24/30°C
14th Jul 2025595 AMAQI
14th Jul 2025596 AMAQI
14th Jul 2025607 AMAQI
14th Jul 2025598 AMAQI
14th Jul 2025279 AMAQI
14th Jul 20251710 AMAQI
14th Jul 20251611 AMAQI
14th Jul 20251812 PMAQI
14th Jul 2025221 PMAQI
14th Jul 2025222 PMAQI
14th Jul 2025253 PMAQI
14th Jul 2025244 PMAQI
14th Jul 2025225 PMAQI
14th Jul 2025216 PMAQI
14th Jul 2025227 PMAQI
14th Jul 2025288 PMAQI
14th Jul 2025509 PMAQI
14th Jul 20255010 PMAQI
14th Jul 20254911 PMAQI
15th Jul 20255112 AMAQI
15th Jul 2025541 AMAQI
15th Jul 2025582 AMAQI
15th Jul 2025593 AMAQI
15th Jul 2025584 AMAQI
24°C21/26°C
15th Jul 2025555 AMAQI
15th Jul 2025556 AMAQI
15th Jul 2025557 AMAQI
15th Jul 2025558 AMAQI
15th Jul 2025329 AMAQI
15th Jul 20252410 AMAQI
15th Jul 20252811 AMAQI
15th Jul 20253312 PMAQI
15th Jul 2025461 PMAQI
15th Jul 2025552 PMAQI
15th Jul 2025603 PMAQI
15th Jul 2025704 PMAQI
15th Jul 2025715 PMAQI
15th Jul 2025616 PMAQI
15th Jul 2025607 PMAQI
15th Jul 2025608 PMAQI
15th Jul 2025589 PMAQI
15th Jul 20255810 PMAQI
15th Jul 20255811 PMAQI
16th Jul 20255712 AMAQI
16th Jul 2025571 AMAQI
16th Jul 2025562 AMAQI
16th Jul 2025553 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 2025479 AMAQI
16th Jul 20254110 AMAQI
16th Jul 20254511 AMAQI
16th Jul 20255412 PMAQI
16th Jul 2025601 PMAQI
16th Jul 2025592 PMAQI
16th Jul 2025593 PMAQI
16th Jul 2025604 PMAQI
16th Jul 2025585 PMAQI
16th Jul 2025566 PMAQI
16th Jul 2025537 PMAQI
16th Jul 2025548 PMAQI
16th Jul 2025559 PMAQI
16th Jul 20255510 PMAQI
16th Jul 20255711 PMAQI
17th Jul 20255712 AMAQI
17th Jul 2025561 AMAQI
17th Jul 2025562 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 2025329 AMAQI
17th Jul 20252810 AMAQI
17th Jul 20252611 AMAQI
17th Jul 20252612 PMAQI
17th Jul 2025291 PMAQI
17th Jul 2025262 PMAQI
17th Jul 2025263 PMAQI
17th Jul 2025264 PMAQI
17th Jul 2025305 PMAQI
17th Jul 2025306 PMAQI
17th Jul 2025247 PMAQI
17th Jul 2025298 PMAQI
17th Jul 2025429 PMAQI
17th Jul 20254410 PMAQI
17th Jul 20254411 PMAQI
18th Jul 20254412 AMAQI
18th Jul 2025501 AMAQI
18th Jul 2025542 AMAQI
18th Jul 2025563 AMAQI
18th Jul 2025554 AMAQI
26°C24/29°C
18th Jul 2025535 AMAQI
18th Jul 2025536 AMAQI
18th Jul 2025537 AMAQI
18th Jul 2025538 AMAQI
18th Jul 2025229 AMAQI
18th Jul 20251410 AMAQI
18th Jul 20251311 AMAQI
18th Jul 20251512 PMAQI
18th Jul 2025201 PMAQI
18th Jul 2025232 PMAQI
18th Jul 2025253 PMAQI
18th Jul 2025314 PMAQI
18th Jul 2025345 PMAQI
18th Jul 2025336 PMAQI
18th Jul 2025327 PMAQI
18th Jul 2025378 PMAQI
18th Jul 2025449 PMAQI
18th Jul 20254210 PMAQI
18th Jul 20254211 PMAQI
19th Jul 20254212 AMAQI
19th Jul 2025471 AMAQI
19th Jul 2025522 AMAQI
19th Jul 2025533 AMAQI
19th Jul 2025514 AMAQI
24°C24/25°C
19th Jul 2025485 AMAQI
19th Jul 2025486 AMAQI
19th Jul 2025497 AMAQI
19th Jul 2025488 AMAQI
19th Jul 2025279 AMAQI
19th Jul 20251810 AMAQI
19th Jul 20251811 AMAQI
19th Jul 20251912 PMAQI
19th Jul 2025211 PMAQI
19th Jul 2025232 PMAQI
19th Jul 2025233 PMAQI
19th Jul 2025234 PMAQI
19th Jul 2025235 PMAQI
19th Jul 2025236 PMAQI
19th Jul 2025287 PMAQI
19th Jul 2025348 PMAQI
19th Jul 2025379 PMAQI
19th Jul 20253810 PMAQI
19th Jul 20253711 PMAQI
20th Jul 20253712 AMAQI
20th Jul 2025421 AMAQI
20th Jul 2025502 AMAQI
20th Jul 2025503 AMAQI
20th Jul 2025484 AMAQI
26°C23/29°C
20th Jul 2025455 AMAQI
20th Jul 2025456 AMAQI
20th Jul 2025467 AMAQI
20th Jul 2025458 AMAQI
20th Jul 2025329 AMAQI
20th Jul 20251910 AMAQI
20th Jul 20251911 AMAQI
20th Jul 20252012 PMAQI
20th Jul 2025201 PMAQI
20th Jul 2025202 PMAQI
20th Jul 2025203 PMAQI
20th Jul 2025194 PMAQI
20th Jul 2025205 PMAQI
20th Jul 2025226 PMAQI
20th Jul 2025217 PMAQI
20th Jul 2025288 PMAQI
20th Jul 2025359 PMAQI
20th Jul 20253410 PMAQI
20th Jul 20253411 PMAQI
21st Jul 20253412 AMAQI
21st Jul 2025381 AMAQI
21st Jul 2025452 AMAQI
21st Jul 2025453 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 2025229 AMAQI
21st Jul 20251610 AMAQI
21st Jul 20251711 AMAQI
21st Jul 20252012 PMAQI
21st Jul 2025201 PMAQI
21st Jul 2025202 PMAQI
21st Jul 2025213 PMAQI
21st Jul 2025214 PMAQI
21st Jul 2025185 PMAQI
21st Jul 2025186 PMAQI
21st Jul 2025177 PMAQI
21st Jul 2025228 PMAQI
21st Jul 2025309 PMAQI
21st Jul 20253110 PMAQI
21st Jul 20252811 PMAQI
22nd Jul 20252812 AMAQI
22nd Jul 2025361 AMAQI
22nd Jul 2025412 AMAQI
22nd Jul 2025423 AMAQI
22nd Jul 2025404 AMAQI
26°C24/29°C
22nd Jul 2025385 AMAQI
22nd Jul 2025386 AMAQI
22nd Jul 2025387 AMAQI
22nd Jul 2025388 AMAQI
22nd Jul 2025229 AMAQI
22nd Jul 20251710 AMAQI
22nd Jul 20251811 AMAQI
22nd Jul 20251912 PMAQI
22nd Jul 2025201 PMAQI
22nd Jul 2025192 PMAQI
22nd Jul 2025183 PMAQI
22nd Jul 2025194 PMAQI
22nd Jul 2025195 PMAQI
22nd Jul 2025206 PMAQI
22nd Jul 2025217 PMAQI
22nd Jul 2025268 PMAQI
22nd Jul 2025309 PMAQI
22nd Jul 20253010 PMAQI
22nd Jul 20252911 PMAQI
23rd Jul 20252712 AMAQI
23rd Jul 2025321 AMAQI
23rd Jul 2025382 AMAQI
23rd Jul 2025383 AMAQI
23rd Jul 2025364 AMAQI
26°C24/30°C
23rd Jul 2025345 AMAQI
23rd Jul 2025346 AMAQI
23rd Jul 2025347 AMAQI
23rd Jul 2025348 AMAQI
23rd Jul 2025219 AMAQI
23rd Jul 20251410 AMAQI
23rd Jul 20251811 AMAQI
23rd Jul 20251812 PMAQI
23rd Jul 2025191 PMAQI
23rd Jul 2025202 PMAQI
23rd Jul 2025243 PMAQI
23rd Jul 2025264 PMAQI
23rd Jul 2025225 PMAQI
23rd Jul 2025206 PMAQI
23rd Jul 2025227 PMAQI
23rd Jul 2025248 PMAQI
23rd Jul 2025299 PMAQI
23rd Jul 20253010 PMAQI
23rd Jul 20252811 PMAQI
24th Jul 20252812 AMAQI
24th Jul 2025321 AMAQI
24th Jul 2025362 AMAQI
24th Jul 2025343 AMAQI
24th Jul 2025344 AMAQI
26°C23/31°C
24th Jul 2025325 AMAQI
24th Jul 2025316 AMAQI
24th Jul 2025327 AMAQI
24th Jul 2025328 AMAQI
24th Jul 2025209 AMAQI
24th Jul 20251810 AMAQI
24th Jul 20252211 AMAQI
24th Jul 20253012 PMAQI
24th Jul 2025291 PMAQI
24th Jul 2025282 PMAQI
24th Jul 2025313 PMAQI
24th Jul 2025304 PMAQI
24th Jul 2025345 PMAQI
24th Jul 2025326 PMAQI
24th Jul 2025277 PMAQI
24th Jul 2025248 PMAQI
24th Jul 2025269 PMAQI
24th Jul 20252410 PMAQI
24th Jul 20252611 PMAQI
25th Jul 20252612 AMAQI
25th Jul 2025291 AMAQI
25th Jul 2025332 AMAQI
25th Jul 2025333 AMAQI
25th Jul 2025324 AMAQI
27°C23/31°C
25th Jul 2025325 AMAQI
25th Jul 2025326 AMAQI
25th Jul 2025327 AMAQI
25th Jul 2025328 AMAQI
25th Jul 2025209 AMAQI
25th Jul 20252010 AMAQI
25th Jul 20252811 AMAQI
25th Jul 20252912 PMAQI
25th Jul 2025241 PMAQI
25th Jul 2025242 PMAQI
25th Jul 2025303 PMAQI
25th Jul 2025334 PMAQI
25th Jul 2025315 PMAQI
25th Jul 2025286 PMAQI
25th Jul 2025287 PMAQI
25th Jul 2025338 PMAQI
25th Jul 2025349 PMAQI
25th Jul 20253210 PMAQI
25th Jul 20253011 PMAQI
26th Jul 20252812 AMAQI
26th Jul 2025311 AMAQI
26th Jul 2025332 AMAQI
26th Jul 2025323 AMAQI
26th Jul 2025324 AMAQI
27°C24/31°C
26th Jul 2025305 AMAQI
26th Jul 2025306 AMAQI
26th Jul 2025317 AMAQI
26th Jul 2025318 AMAQI
26th Jul 2025209 AMAQI
26th Jul 20252010 AMAQI
26th Jul 20252411 AMAQI
26th Jul 20252212 PMAQI
26th Jul 2025211 PMAQI
26th Jul 2025202 PMAQI
26th Jul 2025183 PMAQI
26th Jul 2025174 PMAQI
26th Jul 2025165 PMAQI
26th Jul 2025146 PMAQI
26th Jul 2025347 PMAQI
26th Jul 2025378 PMAQI
26th Jul 2025249 PMAQI
26th Jul 20252310 PMAQI
26th Jul 20252311 PMAQI
27th Jul 20252412 AMAQI
27th Jul 2025281 AMAQI
27th Jul 2025322 AMAQI
27th Jul 2025313 AMAQI
27th Jul 2025314 AMAQI
27°C24/31°C
27th Jul 2025305 AMAQI
27th Jul 2025306 AMAQI
27th Jul 2025297 AMAQI
27th Jul 2025308 AMAQI
27th Jul 2025239 AMAQI
27th Jul 20252010 AMAQI
27th Jul 20252211 AMAQI
27th Jul 20251712 PMAQI
27th Jul 2025181 PMAQI
27th Jul 2025332 PMAQI
27th Jul 2025193 PMAQI
27th Jul 2025184 PMAQI
27th Jul 2025215 PMAQI
27th Jul 2025246 PMAQI
27th Jul 2025277 PMAQI
27th Jul 2025268 PMAQI
27th Jul 2025269 PMAQI
27th Jul 20252510 PMAQI
27th Jul 20252611 PMAQI
28th Jul 20252512 AMAQI
28th Jul 2025261 AMAQI
28th Jul 2025302 AMAQI
28th Jul 2025293 AMAQI
28th Jul 2025284 AMAQI
27°C24/31°C
28th Jul 2025285 AMAQI
28th Jul 2025286 AMAQI
28th Jul 2025287 AMAQI
28th Jul 2025288 AMAQI
28th Jul 2025189 AMAQI
28th Jul 20251510 AMAQI
28th Jul 20251911 AMAQI
28th Jul 20252112 PMAQI
28th Jul 2025231 PMAQI
28th Jul 2025242 PMAQI
28th Jul 2025273 PMAQI
28th Jul 2025284 PMAQI
28th Jul 2025285 PMAQI
28th Jul 2025286 PMAQI
28th Jul 2025297 PMAQI
28th Jul 2025288 PMAQI
28th Jul 2025289 PMAQI
28th Jul 20252810 PMAQI
28th Jul 20252611 PMAQI
29th Jul 20252312 AMAQI
29th Jul 2025241 AMAQI
29th Jul 2025282 AMAQI
29th Jul 2025283 AMAQI
29th Jul 2025274 AMAQI
27°C23/31°C
29th Jul 2025275 AMAQI
29th Jul 2025276 AMAQI
29th Jul 2025267 AMAQI
29th Jul 2025268 AMAQI
29th Jul 2025209 AMAQI
29th Jul 20251710 AMAQI
29th Jul 20251911 AMAQI
29th Jul 20252412 PMAQI
29th Jul 2025231 PMAQI
29th Jul 2025232 PMAQI
29th Jul 2025253 PMAQI
29th Jul 2025274 PMAQI
29th Jul 2025245 PMAQI
29th Jul 2025216 PMAQI
29th Jul 2025207 PMAQI
29th Jul 2025228 PMAQI
29th Jul 2025239 PMAQI
29th Jul 20252310 PMAQI
29th Jul 20252411 PMAQI
30th Jul 20252312 AMAQI
30th Jul 2025261 AMAQI
30th Jul 2025272 AMAQI
30th Jul 2025273 AMAQI
30th Jul 2025264 AMAQI
27°C24/31°C
30th Jul 2025265 AMAQI
30th Jul 2025276 AMAQI
30th Jul 2025267 AMAQI
30th Jul 2025268 AMAQI
30th Jul 2025209 AMAQI
30th Jul 20251910 AMAQI
30th Jul 20252111 AMAQI
30th Jul 20252312 PMAQI
30th Jul 2025241 PMAQI
30th Jul 2025242 PMAQI
30th Jul 2025243 PMAQI
30th Jul 2025224 PMAQI
30th Jul 2025245 PMAQI
30th Jul 2025266 PMAQI
30th Jul 2025277 PMAQI
30th Jul 2025258 PMAQI
30th Jul 2025269 PMAQI
30th Jul 20252510 PMAQI
30th Jul 20252311 PMAQI
31st Jul 20252212 AMAQI
31st Jul 2025251 AMAQI
31st Jul 2025262 AMAQI
31st Jul 2025263 AMAQI
31st Jul 2025264 AMAQI
26°C23/30°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 20252711 AMAQI
31st Jul 20253212 PMAQI
31st Jul 2025321 PMAQI
31st Jul 2025322 PMAQI
31st Jul 2025293 PMAQI
31st Jul 2025264 PMAQI
31st Jul 2025245 PMAQI
31st Jul 2025266 PMAQI
31st Jul 2025287 PMAQI
31st Jul 2025308 PMAQI
31st Jul 2025429 PMAQI
31st Jul 20254010 PMAQI
31st Jul 20254011 PMAQI
1st Aug 20254112 AMAQI
1st Aug 2025321 AMAQI
1st Aug 2025302 AMAQI
1st Aug 2025293 AMAQI
1st Aug 2025324 AMAQI
26°C23/31°C
1st Aug 2025325 AMAQI
1st Aug 2025346 AMAQI
1st Aug 2025357 AMAQI
1st Aug 2025348 AMAQI
1st Aug 2025549 AMAQI
1st Aug 20255410 AMAQI
1st Aug 20255211 AMAQI
1st Aug 20255212 PMAQI
1st Aug 2025531 PMAQI
1st Aug 2025532 PMAQI
1st Aug 2025483 PMAQI
1st Aug 2025524 PMAQI
1st Aug 2025535 PMAQI
1st Aug 2025516 PMAQI
1st Aug 2025487 PMAQI
1st Aug 2025468 PMAQI
1st Aug 2025469 PMAQI
1st Aug 20254310 PMAQI
1st Aug 20254311 PMAQI
2nd Aug 20254312 AMAQI
2nd Aug 2025341 AMAQI
2nd Aug 2025392 AMAQI
2nd Aug 2025353 AMAQI
2nd Aug 2025374 AMAQI
27°C24/31°C
2nd Aug 2025405 AMAQI
2nd Aug 2025426 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025398 AMAQI
2nd Aug 2025469 AMAQI
2nd Aug 20254610 AMAQI
2nd Aug 20254811 AMAQI
2nd Aug 20255012 PMAQI
2nd Aug 2025531 PMAQI
2nd Aug 2025552 PMAQI
2nd Aug 2025503 PMAQI
2nd Aug 2025454 PMAQI
2nd Aug 2025435 PMAQI
2nd Aug 2025446 PMAQI
2nd Aug 2025367 PMAQI
2nd Aug 2025448 PMAQI
2nd Aug 2025379 PMAQI
2nd Aug 20254210 PMAQI
2nd Aug 20254211 PMAQI
3rd Aug 20253912 AMAQI
3rd Aug 2025361 AMAQI
--°C/°C
5 AM
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 AM
49AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
10 AM
34AQI
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. 49), while the lowest AQI was between 10 AM to 10 AM (Avg. 34).
Night time
Avg. Highest Time
12 AM - 4 AM
49AQI
5 hours / Day
150 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 12 AM to 4 AM (Avg. 49), while the lowest AQI was between 8 PM to 8 PM (Avg. 43).
2025 Days Vs Air Quality
Hikari, Yamaguchi, Japan
2025
69%
148
31%
65
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Good
148 DaysModerate
65 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 69%
Health Risk Level:
Moderate
In 2025, 69% of 214 days were within WHO’s safe air quality limits, and 31% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Hikari, 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
29AQI
29AQI
2nd January 2025
36AQI
36AQI
3rd January 2025
33AQI
33AQI
4th January 2025
31AQI
31AQI
5th January 2025
29AQI
29AQI
6th January 2025
42AQI
42AQI
7th January 2025
30AQI
30AQI
8th January 2025
34AQI
34AQI
9th January 2025
28AQI
28AQI
10th January 2025
28AQI
28AQI
11th January 2025
28AQI
28AQI
12th January 2025
30AQI
30AQI
13th January 2025
41AQI
41AQI
14th January 2025
46AQI
46AQI
15th January 2025
40AQI
40AQI
16th January 2025
39AQI
39AQI
17th January 2025
44AQI
44AQI
18th January 2025
33AQI
33AQI
19th January 2025
44AQI
44AQI
20th January 2025
45AQI
45AQI
21st January 2025
53AQI
53AQI
22nd January 2025
69AQI
69AQI
23rd January 2025
73AQI
73AQI
24th January 2025
72AQI
72AQI
25th January 2025
45AQI
45AQI
26th January 2025
43AQI
43AQI
27th January 2025
38AQI
38AQI
28th January 2025
38AQI
38AQI
29th January 2025
31AQI
31AQI
30th January 2025
45AQI
45AQI
31st January 2025
49AQI
49AQI
1st February 2025
53AQI
53AQI
2nd February 2025
35AQI
35AQI
3rd February 2025
50AQI
50AQI
4th February 2025
32AQI
32AQI
5th February 2025
40AQI
40AQI
6th February 2025
31AQI
31AQI
7th February 2025
41AQI
41AQI
8th February 2025
30AQI
30AQI
9th February 2025
34AQI
34AQI
10th February 2025
33AQI
33AQI
11th February 2025
35AQI
35AQI
12th February 2025
39AQI
39AQI
13th February 2025
31AQI
31AQI
14th February 2025
42AQI
42AQI
15th February 2025
31AQI
31AQI
16th February 2025
44AQI
44AQI
17th February 2025
41AQI
41AQI
18th February 2025
35AQI
35AQI
19th February 2025
36AQI
36AQI
20th February 2025
34AQI
34AQI
21st February 2025
36AQI
36AQI
22nd February 2025
39AQI
39AQI
23rd February 2025
39AQI
39AQI
24th February 2025
41AQI
41AQI
25th February 2025
38AQI
38AQI
26th February 2025
49AQI
49AQI
27th February 2025
70AQI
70AQI
28th February 2025
62AQI
62AQI
1st March 2025
71AQI
71AQI
2nd March 2025
55AQI
55AQI
3rd March 2025
44AQI
44AQI
4th March 2025
37AQI
37AQI
5th March 2025
30AQI
30AQI
6th March 2025
34AQI
34AQI
7th March 2025
33AQI
33AQI
8th March 2025
40AQI
40AQI
9th March 2025
40AQI
40AQI
10th March 2025
41AQI
41AQI
11th March 2025
46AQI
46AQI
12th March 2025
52AQI
52AQI
13th March 2025
56AQI
56AQI
14th March 2025
42AQI
42AQI
15th March 2025
38AQI
38AQI
16th March 2025
25AQI
25AQI
17th March 2025
40AQI
40AQI
18th March 2025
37AQI
37AQI
19th March 2025
46AQI
46AQI
20th March 2025
53AQI
53AQI
21st March 2025
58AQI
58AQI
22nd March 2025
68AQI
68AQI
23rd March 2025
69AQI
69AQI
24th March 2025
60AQI
60AQI
25th March 2025
69AQI
69AQI
26th March 2025
73AQI
73AQI
27th March 2025
57AQI
57AQI
28th March 2025
60AQI
60AQI
29th March 2025
51AQI
51AQI
30th March 2025
44AQI
44AQI
31st March 2025
42AQI
42AQI
1st April 2025
43AQI
43AQI
2nd April 2025
36AQI
36AQI
3rd April 2025
28AQI
28AQI
4th April 2025
34AQI
34AQI
5th April 2025
41AQI
41AQI
6th April 2025
46AQI
46AQI
7th April 2025
45AQI
45AQI
8th April 2025
43AQI
43AQI
9th April 2025
60AQI
60AQI
10th April 2025
56AQI
56AQI
11th April 2025
60AQI
60AQI
12th April 2025
57AQI
57AQI
13th April 2025
53AQI
53AQI
14th April 2025
48AQI
48AQI
15th April 2025
38AQI
38AQI
16th April 2025
49AQI
49AQI
17th April 2025
49AQI
49AQI
18th April 2025
59AQI
59AQI
19th April 2025
56AQI
56AQI
20th April 2025
40AQI
40AQI
21st April 2025
46AQI
46AQI
22nd April 2025
43AQI
43AQI
23rd April 2025
31AQI
31AQI
24th April 2025
41AQI
41AQI
25th April 2025
60AQI
60AQI
26th April 2025
55AQI
55AQI
27th April 2025
57AQI
57AQI
28th April 2025
50AQI
50AQI
29th April 2025
51AQI
51AQI
30th April 2025
53AQI
53AQI
1st May 2025
47AQI
47AQI
2nd May 2025
44AQI
44AQI
3rd May 2025
47AQI
47AQI
4th May 2025
42AQI
42AQI
5th May 2025
42AQI
42AQI
6th May 2025
33AQI
33AQI
7th May 2025
36AQI
36AQI
8th May 2025
38AQI
38AQI
9th May 2025
32AQI
32AQI
10th May 2025
36AQI
36AQI
11th May 2025
41AQI
41AQI
12th May 2025
51AQI
51AQI
13th May 2025
54AQI
54AQI
14th May 2025
59AQI
59AQI
15th May 2025
54AQI
54AQI
16th May 2025
53AQI
53AQI
17th May 2025
43AQI
43AQI
18th May 2025
55AQI
55AQI
19th May 2025
58AQI
58AQI
20th May 2025
56AQI
56AQI
21st May 2025
40AQI
40AQI
22nd May 2025
40AQI
40AQI
23rd May 2025
47AQI
47AQI
24th May 2025
33AQI
33AQI
25th May 2025
29AQI
29AQI
26th May 2025
33AQI
33AQI
27th May 2025
42AQI
42AQI
28th May 2025
41AQI
41AQI
29th May 2025
44AQI
44AQI
30th May 2025
43AQI
43AQI
31st May 2025
40AQI
40AQI
1st June 2025
46AQI
46AQI
2nd June 2025
52AQI
52AQI
3rd June 2025
31AQI
31AQI
4th June 2025
46AQI
46AQI
5th June 2025
46AQI
46AQI
6th June 2025
52AQI
52AQI
7th June 2025
57AQI
57AQI
8th June 2025
58AQI
58AQI
9th June 2025
58AQI
58AQI
10th June 2025
35AQI
35AQI
11th June 2025
43AQI
43AQI
12th June 2025
49AQI
49AQI
13th June 2025
47AQI
47AQI
14th June 2025
36AQI
36AQI
15th June 2025
34AQI
34AQI
16th June 2025
35AQI
35AQI
17th June 2025
34AQI
34AQI
18th June 2025
45AQI
45AQI
19th June 2025
45AQI
45AQI
20th June 2025
52AQI
52AQI
21st June 2025
54AQI
54AQI
22nd June 2025
47AQI
47AQI
23rd June 2025
38AQI
38AQI
24th June 2025
40AQI
40AQI
25th June 2025
37AQI
37AQI
26th June 2025
49AQI
49AQI
27th June 2025
52AQI
52AQI
28th June 2025
48AQI
48AQI
29th June 2025
52AQI
52AQI
30th June 2025
53AQI
53AQI
1st July 2025
56AQI
56AQI
2nd July 2025
66AQI
66AQI
3rd July 2025
76AQI
76AQI
4th July 2025
76AQI
76AQI
5th July 2025
71AQI
71AQI
6th July 2025
58AQI
58AQI
7th July 2025
58AQI
58AQI
8th July 2025
62AQI
62AQI
9th July 2025
70AQI
70AQI
10th July 2025
79AQI
79AQI
11th July 2025
67AQI
67AQI
12th July 2025
59AQI
59AQI
13th July 2025
47AQI
47AQI
14th July 2025
41AQI
41AQI
15th July 2025
54AQI
54AQI
16th July 2025
55AQI
55AQI
17th July 2025
41AQI
41AQI
18th July 2025
39AQI
39AQI
19th July 2025
35AQI
35AQI
20th July 2025
33AQI
33AQI
21st July 2025
29AQI
29AQI
22nd July 2025
28AQI
28AQI
23rd July 2025
27AQI
27AQI
24th July 2025
29AQI
29AQI
25th July 2025
30AQI
30AQI
26th July 2025
26AQI
26AQI
27th July 2025
26AQI
26AQI
28th July 2025
26AQI
26AQI
29th July 2025
24AQI
24AQI
30th July 2025
25AQI
25AQI
31st July 2025
29AQI
29AQI
1st August 2025
42AQI
42AQI
41AQI
40AQI
49AQI
48AQI
44AQI
46AQI
47AQI
42AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202545AQI
27
4
25
3
17
14
18
12
23
8
20
10
17
14
1
148
65
Highest AQI recorded in
March49AQI
Lowest AQI recorded in
February40AQI
202437AQI
28
3
24
5
20
11
15
13
2
26
5
27
3
31
27
4
27
3
31
24
6
31
311
53
2
Highest AQI recorded in
April52AQI
Lowest AQI recorded in
July28AQI
202341AQI
22
7
2
25
3
16
15
11
19
21
10
22
8
30
1
31
27
3
26
5
21
8
21
10
273
89
2
Highest AQI recorded in
April56AQI
Lowest AQI recorded in
August24AQI
202243AQI
27
4
17
4
17
14
10
7
9
22
22
8
21
1
25
3
25
6
19
11
29
2
222
81
Highest AQI recorded in
May55AQI
Lowest AQI recorded in
August34AQI
202139AQI
28
3
24
4
27
2
20
1
26
5
17
13
28
3
28
3
23
7
28
3
26
4
28
3
303
51
Highest AQI recorded in
June50AQI
Lowest AQI recorded in
January31AQI
202035AQI
13
17
4
17
1
21
9
30
1
14
7
1
14
5
29
2
28
2
29
2
212
33
1
Highest AQI recorded in
June44AQI
Lowest AQI recorded in
October30AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
45AQILeast Polluted Year Recorded
2020(Avg.)
35AQIHikari's annual 2025 AQI (45) shows an average percentage change of 14.6% (worsened AQI) compared to previous years: 2020 (35), 2021 (39), 2022 (43), 2023 (41), 2024 (37).
