Ominecho Higashibun, Nagato, 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
Ominecho Higashibun, Nagato, Yamaguchi, Japan
2021
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
6th Aug 2021
50AQILowest AQI recorded on
22nd Aug 2021
13AQISame Day Analysis (5th August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 2nd highest AQI at 46 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
Ominecho Higashibun, Nagato, Yamaguchi, Japan
AQI
Day
Night
.
5 AM6th Aug 2025
7 PM
4 AM7th Aug 2025
Day time
Avg. Highest Time
7PM6th Aug
52AQI
Avg. Lowest Time
10AM6th Aug
34AQI
Night time
Avg. Highest Time
12AM7th Aug
52AQI
Avg. Lowest Time
4AM7th Aug
47AQI
In the last 24 hours,
Ominecho Higashibun's AQI reached its highest point of 52 at 7 PM during the Day, while the lowest point, 34, was recorded at 10 AM during the Day between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Ominecho Higashibun, Nagato, 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 2025615 AMAQI
8th Jul 2025606 AMAQI
8th Jul 2025617 AMAQI
8th Jul 2025608 AMAQI
8th Jul 2025589 AMAQI
8th Jul 20255810 AMAQI
8th Jul 20256011 AMAQI
8th Jul 20256512 PMAQI
8th Jul 2025651 PMAQI
8th Jul 2025652 PMAQI
8th Jul 2025653 PMAQI
8th Jul 2025624 PMAQI
8th Jul 2025605 PMAQI
8th Jul 2025626 PMAQI
8th Jul 2025617 PMAQI
8th Jul 2025618 PMAQI
8th Jul 2025609 PMAQI
8th Jul 20255910 PMAQI
8th Jul 20255911 PMAQI
9th Jul 20256012 AMAQI
9th Jul 2025641 AMAQI
9th Jul 2025622 AMAQI
9th Jul 2025623 AMAQI
9th Jul 2025614 AMAQI
27°C24/31°C
9th Jul 2025615 AMAQI
9th Jul 2025606 AMAQI
9th Jul 2025617 AMAQI
9th Jul 2025618 AMAQI
9th Jul 2025679 AMAQI
9th Jul 20257410 AMAQI
9th Jul 20257711 AMAQI
9th Jul 20258412 PMAQI
9th Jul 2025851 PMAQI
9th Jul 2025852 PMAQI
9th Jul 2025823 PMAQI
9th Jul 2025804 PMAQI
9th Jul 2025835 PMAQI
9th Jul 2025846 PMAQI
9th Jul 2025837 PMAQI
9th Jul 2025798 PMAQI
9th Jul 2025689 PMAQI
9th Jul 20256710 PMAQI
9th Jul 20256911 PMAQI
10th Jul 20256912 AMAQI
10th Jul 2025651 AMAQI
10th Jul 2025612 AMAQI
10th Jul 2025613 AMAQI
10th Jul 2025634 AMAQI
27°C25/31°C
10th Jul 2025645 AMAQI
10th Jul 2025666 AMAQI
10th Jul 2025647 AMAQI
10th Jul 2025648 AMAQI
10th Jul 2025709 AMAQI
10th Jul 20257410 AMAQI
10th Jul 20258111 AMAQI
10th Jul 20258812 PMAQI
10th Jul 2025861 PMAQI
10th Jul 2025862 PMAQI
10th Jul 2025853 PMAQI
10th Jul 2025884 PMAQI
10th Jul 2025885 PMAQI
10th Jul 2025836 PMAQI
10th Jul 2025827 PMAQI
10th Jul 2025768 PMAQI
10th Jul 2025679 PMAQI
10th Jul 20256710 PMAQI
10th Jul 20256811 PMAQI
11th Jul 20256812 AMAQI
11th Jul 2025661 AMAQI
11th Jul 2025642 AMAQI
11th Jul 2025643 AMAQI
11th Jul 2025654 AMAQI
27°C24/31°C
11th Jul 2025665 AMAQI
11th Jul 2025666 AMAQI
11th Jul 2025667 AMAQI
11th Jul 2025678 AMAQI
11th Jul 2025659 AMAQI
11th Jul 20256410 AMAQI
11th Jul 20256511 AMAQI
11th Jul 20256612 PMAQI
11th Jul 2025621 PMAQI
11th Jul 2025622 PMAQI
11th Jul 2025563 PMAQI
11th Jul 2025534 PMAQI
11th Jul 2025475 PMAQI
11th Jul 2025406 PMAQI
11th Jul 2025427 PMAQI
11th Jul 2025488 PMAQI
11th Jul 2025589 PMAQI
11th Jul 20255810 PMAQI
11th Jul 20255811 PMAQI
12th Jul 20255812 AMAQI
12th Jul 2025601 AMAQI
12th Jul 2025652 AMAQI
12th Jul 2025653 AMAQI
12th Jul 2025654 AMAQI
27°C25/30°C
12th Jul 2025645 AMAQI
12th Jul 2025646 AMAQI
12th Jul 2025647 AMAQI
12th Jul 2025658 AMAQI
12th Jul 2025379 AMAQI
12th Jul 20253410 AMAQI
12th Jul 20253611 AMAQI
12th Jul 20254612 PMAQI
12th Jul 2025461 PMAQI
12th Jul 2025482 PMAQI
12th Jul 2025463 PMAQI
12th Jul 2025494 PMAQI
12th Jul 2025505 PMAQI
12th Jul 2025486 PMAQI
12th Jul 2025437 PMAQI
12th Jul 2025498 PMAQI
12th Jul 2025589 PMAQI
12th Jul 20255710 PMAQI
12th Jul 20255611 PMAQI
13th Jul 20255612 AMAQI
13th Jul 2025591 AMAQI
13th Jul 2025622 AMAQI
13th Jul 2025633 AMAQI
13th Jul 2025624 AMAQI
27°C24/30°C
13th Jul 2025615 AMAQI
13th Jul 2025616 AMAQI
13th Jul 2025617 AMAQI
13th Jul 2025618 AMAQI
13th Jul 2025449 AMAQI
13th Jul 20253110 AMAQI
13th Jul 20253111 AMAQI
13th Jul 20252512 PMAQI
13th Jul 2025311 PMAQI
13th Jul 2025322 PMAQI
13th Jul 2025323 PMAQI
13th Jul 2025334 PMAQI
13th Jul 2025345 PMAQI
13th Jul 2025326 PMAQI
13th Jul 2025297 PMAQI
13th Jul 2025408 PMAQI
13th Jul 2025529 PMAQI
13th Jul 20255210 PMAQI
13th Jul 20255211 PMAQI
14th Jul 20255212 AMAQI
14th Jul 2025561 AMAQI
14th Jul 2025602 AMAQI
14th Jul 2025603 AMAQI
14th Jul 2025594 AMAQI
27°C25/30°C
14th Jul 2025575 AMAQI
14th Jul 2025586 AMAQI
14th Jul 2025567 AMAQI
14th Jul 2025568 AMAQI
14th Jul 2025309 AMAQI
14th Jul 20251810 AMAQI
14th Jul 20251811 AMAQI
14th Jul 20252012 PMAQI
14th Jul 2025241 PMAQI
14th Jul 2025222 PMAQI
14th Jul 2025213 PMAQI
14th Jul 2025224 PMAQI
14th Jul 2025225 PMAQI
14th Jul 2025246 PMAQI
14th Jul 2025237 PMAQI
14th Jul 2025328 PMAQI
14th Jul 2025489 PMAQI
14th Jul 20254910 PMAQI
14th Jul 20254911 PMAQI
15th Jul 20255112 AMAQI
15th Jul 2025531 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025573 AMAQI
15th Jul 2025564 AMAQI
25°C22/27°C
15th Jul 2025545 AMAQI
15th Jul 2025546 AMAQI
15th Jul 2025547 AMAQI
15th Jul 2025548 AMAQI
15th Jul 2025399 AMAQI
15th Jul 20253610 AMAQI
15th Jul 20254611 AMAQI
15th Jul 20254812 PMAQI
15th Jul 2025451 PMAQI
15th Jul 2025422 PMAQI
15th Jul 2025493 PMAQI
15th Jul 2025554 PMAQI
15th Jul 2025525 PMAQI
15th Jul 2025516 PMAQI
15th Jul 2025457 PMAQI
15th Jul 2025518 PMAQI
15th Jul 2025529 PMAQI
15th Jul 20255210 PMAQI
15th Jul 20255211 PMAQI
16th Jul 20255312 AMAQI
16th Jul 2025531 AMAQI
16th Jul 2025542 AMAQI
16th Jul 2025543 AMAQI
16th Jul 2025544 AMAQI
25°C22/30°C
16th Jul 2025535 AMAQI
16th Jul 2025536 AMAQI
16th Jul 2025537 AMAQI
16th Jul 2025538 AMAQI
16th Jul 2025529 AMAQI
16th Jul 20255210 AMAQI
16th Jul 20255311 AMAQI
16th Jul 20255412 PMAQI
16th Jul 2025551 PMAQI
16th Jul 2025602 PMAQI
16th Jul 2025643 PMAQI
16th Jul 2025684 PMAQI
16th Jul 2025725 PMAQI
16th Jul 2025696 PMAQI
16th Jul 2025647 PMAQI
16th Jul 2025638 PMAQI
16th Jul 2025569 PMAQI
16th Jul 20255610 PMAQI
16th Jul 20255511 PMAQI
17th Jul 20255412 AMAQI
17th Jul 2025541 AMAQI
17th Jul 2025542 AMAQI
17th Jul 2025543 AMAQI
17th Jul 2025544 AMAQI
26°C23/30°C
17th Jul 2025545 AMAQI
17th Jul 2025546 AMAQI
17th Jul 2025547 AMAQI
17th Jul 2025548 AMAQI
17th Jul 2025529 AMAQI
17th Jul 20255010 AMAQI
17th Jul 20254911 AMAQI
17th Jul 20254612 PMAQI
17th Jul 2025481 PMAQI
17th Jul 2025492 PMAQI
17th Jul 2025453 PMAQI
17th Jul 2025404 PMAQI
17th Jul 2025345 PMAQI
17th Jul 2025286 PMAQI
17th Jul 2025227 PMAQI
17th Jul 2025328 PMAQI
17th Jul 2025479 PMAQI
17th Jul 20254810 PMAQI
17th Jul 20254811 PMAQI
18th Jul 20254612 AMAQI
18th Jul 2025521 AMAQI
18th Jul 2025542 AMAQI
18th Jul 2025543 AMAQI
18th Jul 2025534 AMAQI
26°C24/30°C
18th Jul 2025535 AMAQI
18th Jul 2025536 AMAQI
18th Jul 2025547 AMAQI
18th Jul 2025548 AMAQI
18th Jul 2025279 AMAQI
18th Jul 20251810 AMAQI
18th Jul 20251911 AMAQI
18th Jul 20251812 PMAQI
18th Jul 2025231 PMAQI
18th Jul 2025212 PMAQI
18th Jul 2025213 PMAQI
18th Jul 2025224 PMAQI
18th Jul 2025245 PMAQI
18th Jul 2025246 PMAQI
18th Jul 2025247 PMAQI
18th Jul 2025318 PMAQI
18th Jul 2025409 PMAQI
18th Jul 20254110 PMAQI
18th Jul 20254111 PMAQI
19th Jul 20254312 AMAQI
19th Jul 2025471 AMAQI
19th Jul 2025522 AMAQI
19th Jul 2025523 AMAQI
19th Jul 2025504 AMAQI
24°C24/25°C
19th Jul 2025485 AMAQI
19th Jul 2025486 AMAQI
19th Jul 2025487 AMAQI
19th Jul 2025498 AMAQI
19th Jul 2025269 AMAQI
19th Jul 20251910 AMAQI
19th Jul 20252011 AMAQI
19th Jul 20252312 PMAQI
19th Jul 2025261 PMAQI
19th Jul 2025232 PMAQI
19th Jul 2025243 PMAQI
19th Jul 2025254 PMAQI
19th Jul 2025265 PMAQI
19th Jul 2025246 PMAQI
19th Jul 2025247 PMAQI
19th Jul 2025308 PMAQI
19th Jul 2025389 PMAQI
19th Jul 20253710 PMAQI
19th Jul 20253611 PMAQI
20th Jul 20253612 AMAQI
20th Jul 2025421 AMAQI
20th Jul 2025492 AMAQI
20th Jul 2025493 AMAQI
20th Jul 2025474 AMAQI
26°C24/29°C
20th Jul 2025445 AMAQI
20th Jul 2025446 AMAQI
20th Jul 2025447 AMAQI
20th Jul 2025448 AMAQI
20th Jul 2025329 AMAQI
20th Jul 20252110 AMAQI
20th Jul 20252311 AMAQI
20th Jul 20252112 PMAQI
20th Jul 2025221 PMAQI
20th Jul 2025212 PMAQI
20th Jul 2025243 PMAQI
20th Jul 2025224 PMAQI
20th Jul 2025205 PMAQI
20th Jul 2025196 PMAQI
20th Jul 2025207 PMAQI
20th Jul 2025278 PMAQI
20th Jul 2025339 PMAQI
20th Jul 20253310 PMAQI
20th Jul 20253311 PMAQI
21st Jul 20253212 AMAQI
21st Jul 2025381 AMAQI
21st Jul 2025442 AMAQI
21st Jul 2025443 AMAQI
21st Jul 2025424 AMAQI
27°C25/30°C
21st Jul 2025405 AMAQI
21st Jul 2025406 AMAQI
21st Jul 2025417 AMAQI
21st Jul 2025418 AMAQI
21st Jul 2025249 AMAQI
21st Jul 20252410 AMAQI
21st Jul 20252411 AMAQI
21st Jul 20252412 PMAQI
21st Jul 2025241 PMAQI
21st Jul 2025222 PMAQI
21st Jul 2025233 PMAQI
21st Jul 2025244 PMAQI
21st Jul 2025255 PMAQI
21st Jul 2025266 PMAQI
21st Jul 2025247 PMAQI
21st Jul 2025248 PMAQI
21st Jul 2025329 PMAQI
21st Jul 20253210 PMAQI
21st Jul 20253011 PMAQI
22nd Jul 20253012 AMAQI
22nd Jul 2025351 AMAQI
22nd Jul 2025402 AMAQI
22nd Jul 2025403 AMAQI
22nd Jul 2025384 AMAQI
27°C24/30°C
22nd Jul 2025375 AMAQI
22nd Jul 2025376 AMAQI
22nd Jul 2025387 AMAQI
22nd Jul 2025388 AMAQI
22nd Jul 2025269 AMAQI
22nd Jul 20252210 AMAQI
22nd Jul 20252411 AMAQI
22nd Jul 20252812 PMAQI
22nd Jul 2025281 PMAQI
22nd Jul 2025252 PMAQI
22nd Jul 2025283 PMAQI
22nd Jul 2025284 PMAQI
22nd Jul 2025265 PMAQI
22nd Jul 2025266 PMAQI
22nd Jul 2025257 PMAQI
22nd Jul 2025288 PMAQI
22nd Jul 2025329 PMAQI
22nd Jul 20253010 PMAQI
22nd Jul 20253011 PMAQI
23rd Jul 20253112 AMAQI
23rd Jul 2025341 AMAQI
23rd Jul 2025382 AMAQI
23rd Jul 2025383 AMAQI
23rd Jul 2025374 AMAQI
26°C24/30°C
23rd Jul 2025365 AMAQI
23rd Jul 2025366 AMAQI
23rd Jul 2025367 AMAQI
23rd Jul 2025368 AMAQI
23rd Jul 2025269 AMAQI
23rd Jul 20252410 AMAQI
23rd Jul 20252611 AMAQI
23rd Jul 20252912 PMAQI
23rd Jul 2025271 PMAQI
23rd Jul 2025252 PMAQI
23rd Jul 2025253 PMAQI
23rd Jul 2025274 PMAQI
23rd Jul 2025305 PMAQI
23rd Jul 2025296 PMAQI
23rd Jul 2025247 PMAQI
23rd Jul 2025268 PMAQI
23rd Jul 2025329 PMAQI
23rd Jul 20253210 PMAQI
23rd Jul 20253011 PMAQI
24th Jul 20253112 AMAQI
24th Jul 2025331 AMAQI
24th Jul 2025352 AMAQI
24th Jul 2025363 AMAQI
24th Jul 2025354 AMAQI
26°C23/30°C
24th Jul 2025335 AMAQI
24th Jul 2025346 AMAQI
24th Jul 2025347 AMAQI
24th Jul 2025348 AMAQI
24th Jul 2025259 AMAQI
24th Jul 20252610 AMAQI
24th Jul 20253011 AMAQI
24th Jul 20253012 PMAQI
24th Jul 2025261 PMAQI
24th Jul 2025272 PMAQI
24th Jul 2025283 PMAQI
24th Jul 2025304 PMAQI
24th Jul 2025285 PMAQI
24th Jul 2025306 PMAQI
24th Jul 2025337 PMAQI
24th Jul 2025338 PMAQI
24th Jul 2025359 PMAQI
24th Jul 20253110 PMAQI
24th Jul 20253211 PMAQI
25th Jul 20252812 AMAQI
25th Jul 2025301 AMAQI
25th Jul 2025332 AMAQI
25th Jul 2025333 AMAQI
25th Jul 2025344 AMAQI
27°C24/31°C
25th Jul 2025335 AMAQI
25th Jul 2025336 AMAQI
25th Jul 2025337 AMAQI
25th Jul 2025338 AMAQI
25th Jul 2025229 AMAQI
25th Jul 20252410 AMAQI
25th Jul 20252811 AMAQI
25th Jul 20253212 PMAQI
25th Jul 2025341 PMAQI
25th Jul 2025262 PMAQI
25th Jul 2025243 PMAQI
25th Jul 2025254 PMAQI
25th Jul 2025225 PMAQI
25th Jul 2025236 PMAQI
25th Jul 2025217 PMAQI
25th Jul 2025218 PMAQI
25th Jul 2025309 PMAQI
25th Jul 20253110 PMAQI
25th Jul 20253011 PMAQI
26th Jul 20253012 AMAQI
26th Jul 2025311 AMAQI
26th Jul 2025342 AMAQI
26th Jul 2025323 AMAQI
26th Jul 2025324 AMAQI
28°C26/31°C
26th Jul 2025315 AMAQI
26th Jul 2025316 AMAQI
26th Jul 2025317 AMAQI
26th Jul 2025328 AMAQI
26th Jul 2025219 AMAQI
26th Jul 20252210 AMAQI
26th Jul 20252111 AMAQI
26th Jul 20252112 PMAQI
26th Jul 2025171 PMAQI
26th Jul 2025182 PMAQI
26th Jul 2025203 PMAQI
26th Jul 2025224 PMAQI
26th Jul 2025195 PMAQI
26th Jul 2025176 PMAQI
26th Jul 2025157 PMAQI
26th Jul 2025208 PMAQI
26th Jul 2025259 PMAQI
26th Jul 20252410 PMAQI
26th Jul 20252411 PMAQI
27th Jul 20252412 AMAQI
27th Jul 2025271 AMAQI
27th Jul 2025322 AMAQI
27th Jul 2025313 AMAQI
27th Jul 2025314 AMAQI
28°C26/30°C
27th Jul 2025305 AMAQI
27th Jul 2025306 AMAQI
27th Jul 2025307 AMAQI
27th Jul 2025308 AMAQI
27th Jul 2025229 AMAQI
27th Jul 20251810 AMAQI
27th Jul 20251811 AMAQI
27th Jul 20251812 PMAQI
27th Jul 2025191 PMAQI
27th Jul 2025192 PMAQI
27th Jul 2025183 PMAQI
27th Jul 2025224 PMAQI
27th Jul 2025235 PMAQI
27th Jul 2025216 PMAQI
27th Jul 2025207 PMAQI
27th Jul 2025228 PMAQI
27th Jul 2025259 PMAQI
27th Jul 20252410 PMAQI
27th Jul 20252411 PMAQI
28th Jul 20252412 AMAQI
28th Jul 2025281 AMAQI
28th Jul 2025302 AMAQI
28th Jul 2025293 AMAQI
28th Jul 2025284 AMAQI
28°C26/30°C
28th Jul 2025285 AMAQI
28th Jul 2025286 AMAQI
28th Jul 2025287 AMAQI
28th Jul 2025288 AMAQI
28th Jul 2025239 AMAQI
28th Jul 20252710 AMAQI
28th Jul 20252611 AMAQI
28th Jul 20252312 PMAQI
28th Jul 2025221 PMAQI
28th Jul 2025222 PMAQI
28th Jul 2025253 PMAQI
28th Jul 2025274 PMAQI
28th Jul 2025285 PMAQI
28th Jul 2025296 PMAQI
28th Jul 2025267 PMAQI
28th Jul 2025288 PMAQI
28th Jul 2025309 PMAQI
28th Jul 20252910 PMAQI
28th Jul 20252811 PMAQI
29th Jul 20252612 AMAQI
29th Jul 2025271 AMAQI
29th Jul 2025272 AMAQI
29th Jul 2025283 AMAQI
29th Jul 2025274 AMAQI
27°C25/31°C
29th Jul 2025275 AMAQI
29th Jul 2025276 AMAQI
29th Jul 2025267 AMAQI
29th Jul 2025268 AMAQI
29th Jul 2025229 AMAQI
29th Jul 20252610 AMAQI
29th Jul 20252911 AMAQI
29th Jul 20253412 PMAQI
29th Jul 2025251 PMAQI
29th Jul 2025242 PMAQI
29th Jul 2025243 PMAQI
29th Jul 2025304 PMAQI
29th Jul 2025335 PMAQI
29th Jul 2025326 PMAQI
29th Jul 2025317 PMAQI
29th Jul 2025298 PMAQI
29th Jul 2025309 PMAQI
29th Jul 20252810 PMAQI
29th Jul 20252711 PMAQI
30th Jul 20252612 AMAQI
30th Jul 2025261 AMAQI
30th Jul 2025282 AMAQI
30th Jul 2025283 AMAQI
30th Jul 2025274 AMAQI
27°C25/31°C
30th Jul 2025275 AMAQI
30th Jul 2025276 AMAQI
30th Jul 2025277 AMAQI
30th Jul 2025268 AMAQI
30th Jul 2025249 AMAQI
30th Jul 20252610 AMAQI
30th Jul 20253911 AMAQI
30th Jul 20253212 PMAQI
30th Jul 2025361 PMAQI
30th Jul 2025362 PMAQI
30th Jul 2025353 PMAQI
30th Jul 2025324 PMAQI
30th Jul 2025325 PMAQI
30th Jul 2025356 PMAQI
30th Jul 2025357 PMAQI
30th Jul 2025378 PMAQI
30th Jul 2025309 PMAQI
30th Jul 20253010 PMAQI
30th Jul 20252611 PMAQI
31st Jul 20252512 AMAQI
31st Jul 2025261 AMAQI
31st Jul 2025282 AMAQI
31st Jul 2025273 AMAQI
31st Jul 2025274 AMAQI
27°C24/30°C
31st Jul 2025275 AMAQI
31st Jul 2025276 AMAQI
31st Jul 2025277 AMAQI
31st Jul 2025278 AMAQI
31st Jul 2025279 AMAQI
31st Jul 20252710 AMAQI
31st Jul 20253411 AMAQI
31st Jul 20253812 PMAQI
31st Jul 2025371 PMAQI
31st Jul 2025332 PMAQI
31st Jul 2025323 PMAQI
31st Jul 2025284 PMAQI
31st Jul 2025325 PMAQI
31st Jul 2025336 PMAQI
31st Jul 2025367 PMAQI
31st Jul 2025338 PMAQI
31st Jul 2025459 PMAQI
31st Jul 20254210 PMAQI
31st Jul 20253611 PMAQI
1st Aug 20253712 AMAQI
1st Aug 2025341 AMAQI
1st Aug 2025342 AMAQI
1st Aug 2025303 AMAQI
1st Aug 2025344 AMAQI
27°C24/31°C
1st Aug 2025335 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025367 AMAQI
1st Aug 2025368 AMAQI
1st Aug 2025529 AMAQI
1st Aug 20255210 AMAQI
1st Aug 20255011 AMAQI
1st Aug 20255412 PMAQI
1st Aug 2025621 PMAQI
1st Aug 2025532 PMAQI
1st Aug 2025503 PMAQI
1st Aug 2025604 PMAQI
1st Aug 2025565 PMAQI
1st Aug 2025566 PMAQI
1st Aug 2025567 PMAQI
1st Aug 2025538 PMAQI
1st Aug 2025519 PMAQI
1st Aug 20254610 PMAQI
1st Aug 20254311 PMAQI
2nd Aug 20254412 AMAQI
2nd Aug 2025371 AMAQI
2nd Aug 2025342 AMAQI
2nd Aug 2025353 AMAQI
2nd Aug 2025384 AMAQI
28°C24/32°C
2nd Aug 2025405 AMAQI
2nd Aug 2025416 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025408 AMAQI
2nd Aug 2025529 AMAQI
2nd Aug 20255210 AMAQI
2nd Aug 20255411 AMAQI
2nd Aug 20255712 PMAQI
2nd Aug 2025531 PMAQI
2nd Aug 2025552 PMAQI
2nd Aug 2025563 PMAQI
2nd Aug 2025554 PMAQI
2nd Aug 2025555 PMAQI
2nd Aug 2025566 PMAQI
2nd Aug 2025497 PMAQI
2nd Aug 2025518 PMAQI
2nd Aug 2025479 PMAQI
2nd Aug 20254410 PMAQI
2nd Aug 20254211 PMAQI
3rd Aug 20254012 AMAQI
3rd Aug 2025401 AMAQI
3rd Aug 2025392 AMAQI
3rd Aug 2025383 AMAQI
3rd Aug 2025404 AMAQI
28°C24/34°C
3rd Aug 2025435 AMAQI
3rd Aug 2025436 AMAQI
3rd Aug 2025427 AMAQI
3rd Aug 2025428 AMAQI
3rd Aug 2025479 AMAQI
3rd Aug 20254310 AMAQI
3rd Aug 20255111 AMAQI
3rd Aug 20255412 PMAQI
3rd Aug 2025551 PMAQI
3rd Aug 2025562 PMAQI
3rd Aug 2025533 PMAQI
3rd Aug 2025594 PMAQI
3rd Aug 2025525 PMAQI
3rd Aug 2025546 PMAQI
3rd Aug 2025577 PMAQI
3rd Aug 2025568 PMAQI
3rd Aug 2025539 PMAQI
3rd Aug 20255210 PMAQI
3rd Aug 20255011 PMAQI
4th Aug 20254712 AMAQI
4th Aug 2025401 AMAQI
4th Aug 2025412 AMAQI
4th Aug 2025403 AMAQI
4th Aug 2025434 AMAQI
28°C24/33°C
4th Aug 2025435 AMAQI
4th Aug 2025436 AMAQI
4th Aug 2025437 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025559 AMAQI
4th Aug 20256010 AMAQI
4th Aug 20256211 AMAQI
4th Aug 20256212 PMAQI
4th Aug 2025521 PMAQI
4th Aug 2025582 PMAQI
4th Aug 2025453 PMAQI
4th Aug 2025504 PMAQI
4th Aug 2025525 PMAQI
4th Aug 2025546 PMAQI
4th Aug 2025477 PMAQI
4th Aug 2025528 PMAQI
4th Aug 2025559 PMAQI
4th Aug 20255210 PMAQI
4th Aug 20255011 PMAQI
5th Aug 20255312 AMAQI
5th Aug 2025471 AMAQI
5th Aug 2025422 AMAQI
5th Aug 2025433 AMAQI
5th Aug 2025504 AMAQI
28°C25/30°C
5th Aug 2025495 AMAQI
5th Aug 2025526 AMAQI
5th Aug 2025527 AMAQI
5th Aug 2025508 AMAQI
5th Aug 2025419 AMAQI
5th Aug 20254210 AMAQI
5th Aug 20253811 AMAQI
5th Aug 20253812 PMAQI
5th Aug 2025411 PMAQI
5th Aug 2025422 PMAQI
5th Aug 2025403 PMAQI
5th Aug 2025484 PMAQI
5th Aug 2025455 PMAQI
5th Aug 2025386 PMAQI
5th Aug 2025427 PMAQI
5th Aug 2025478 PMAQI
5th Aug 2025469 PMAQI
5th Aug 20254810 PMAQI
5th Aug 20254411 PMAQI
6th Aug 20254612 AMAQI
6th Aug 2025511 AMAQI
6th Aug 2025492 AMAQI
6th Aug 2025483 AMAQI
6th Aug 2025484 AMAQI
28°C26/32°C
6th Aug 2025485 AMAQI
6th Aug 2025486 AMAQI
6th Aug 2025497 AMAQI
6th Aug 2025498 AMAQI
6th Aug 2025369 AMAQI
6th Aug 20253410 AMAQI
6th Aug 20253811 AMAQI
6th Aug 20253812 PMAQI
6th Aug 2025421 PMAQI
6th Aug 2025432 PMAQI
6th Aug 2025473 PMAQI
6th Aug 2025384 PMAQI
6th Aug 2025425 PMAQI
6th Aug 2025426 PMAQI
6th Aug 2025527 PMAQI
6th Aug 2025518 PMAQI
6th Aug 2025519 PMAQI
6th Aug 20255010 PMAQI
6th Aug 20255011 PMAQI
7th Aug 20255212 AMAQI
7th Aug 2025481 AMAQI
7th Aug 2025482 AMAQI
7th Aug 2025473 AMAQI
7th Aug 2025474 AMAQI
29°C25/33°C
7th Aug 2025475 AMAQI
5 AM7th Aug 2025476 AMAQI
7th Aug 2025477 AMAQI
7th Aug 2025448 AMAQI
7th Aug 2025509 AMAQI
7th Aug 20255210 AMAQI
7th Aug 20255511 AMAQI
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 AM
45AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
10 AM
37AQI
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. 45), while the lowest AQI was between 10 AM to 10 AM (Avg. 37).
Night time
Avg. Highest Time
12 AM - 4 AM
45AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
8 PM
41AQI
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. 45), while the lowest AQI was between 8 PM to 8 PM (Avg. 41).
2025 Days Vs Air Quality
Ominecho Higashibun, Nagato, Yamaguchi, Japan
2025
69%
150
31%
67
Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)
Good
150 DaysModerate
67 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 69%
Health Risk Level:
Moderate
In 2025, 69% of 219 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
Ominecho Higashibun, Nagato, 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
33AQI
33AQI
2nd January 2025
44AQI
44AQI
3rd January 2025
35AQI
35AQI
4th January 2025
33AQI
33AQI
5th January 2025
30AQI
30AQI
6th January 2025
50AQI
50AQI
7th January 2025
30AQI
30AQI
8th January 2025
39AQI
39AQI
9th January 2025
29AQI
29AQI
10th January 2025
30AQI
30AQI
11th January 2025
30AQI
30AQI
12th January 2025
33AQI
33AQI
13th January 2025
41AQI
41AQI
14th January 2025
48AQI
48AQI
15th January 2025
39AQI
39AQI
16th January 2025
38AQI
38AQI
17th January 2025
44AQI
44AQI
18th January 2025
39AQI
39AQI
19th January 2025
46AQI
46AQI
20th January 2025
49AQI
49AQI
21st January 2025
56AQI
56AQI
22nd January 2025
75AQI
75AQI
23rd January 2025
71AQI
71AQI
24th January 2025
69AQI
69AQI
25th January 2025
46AQI
46AQI
26th January 2025
41AQI
41AQI
27th January 2025
39AQI
39AQI
28th January 2025
36AQI
36AQI
29th January 2025
32AQI
32AQI
30th January 2025
41AQI
41AQI
31st January 2025
49AQI
49AQI
1st February 2025
46AQI
46AQI
2nd February 2025
35AQI
35AQI
3rd February 2025
47AQI
47AQI
4th February 2025
33AQI
33AQI
5th February 2025
41AQI
41AQI
6th February 2025
31AQI
31AQI
7th February 2025
39AQI
39AQI
8th February 2025
30AQI
30AQI
9th February 2025
31AQI
31AQI
10th February 2025
32AQI
32AQI
11th February 2025
41AQI
41AQI
12th February 2025
42AQI
42AQI
13th February 2025
34AQI
34AQI
14th February 2025
44AQI
44AQI
15th February 2025
32AQI
32AQI
16th February 2025
44AQI
44AQI
17th February 2025
40AQI
40AQI
18th February 2025
36AQI
36AQI
19th February 2025
36AQI
36AQI
20th February 2025
33AQI
33AQI
21st February 2025
35AQI
35AQI
22nd February 2025
39AQI
39AQI
23rd February 2025
41AQI
41AQI
24th February 2025
39AQI
39AQI
25th February 2025
39AQI
39AQI
26th February 2025
52AQI
52AQI
27th February 2025
61AQI
61AQI
28th February 2025
64AQI
64AQI
1st March 2025
66AQI
66AQI
2nd March 2025
58AQI
58AQI
3rd March 2025
45AQI
45AQI
4th March 2025
35AQI
35AQI
5th March 2025
33AQI
33AQI
6th March 2025
35AQI
35AQI
7th March 2025
35AQI
35AQI
8th March 2025
40AQI
40AQI
9th March 2025
43AQI
43AQI
10th March 2025
45AQI
45AQI
11th March 2025
46AQI
46AQI
12th March 2025
52AQI
52AQI
13th March 2025
52AQI
52AQI
14th March 2025
37AQI
37AQI
15th March 2025
34AQI
34AQI
16th March 2025
24AQI
24AQI
17th March 2025
40AQI
40AQI
18th March 2025
40AQI
40AQI
19th March 2025
44AQI
44AQI
20th March 2025
53AQI
53AQI
21st March 2025
57AQI
57AQI
22nd March 2025
67AQI
67AQI
23rd March 2025
67AQI
67AQI
24th March 2025
62AQI
62AQI
25th March 2025
72AQI
72AQI
26th March 2025
74AQI
74AQI
27th March 2025
65AQI
65AQI
28th March 2025
61AQI
61AQI
29th March 2025
52AQI
52AQI
30th March 2025
43AQI
43AQI
31st March 2025
42AQI
42AQI
1st April 2025
42AQI
42AQI
2nd April 2025
37AQI
37AQI
3rd April 2025
30AQI
30AQI
4th April 2025
37AQI
37AQI
5th April 2025
43AQI
43AQI
6th April 2025
46AQI
46AQI
7th April 2025
44AQI
44AQI
8th April 2025
44AQI
44AQI
9th April 2025
57AQI
57AQI
10th April 2025
55AQI
55AQI
11th April 2025
57AQI
57AQI
12th April 2025
55AQI
55AQI
13th April 2025
51AQI
51AQI
14th April 2025
47AQI
47AQI
15th April 2025
33AQI
33AQI
16th April 2025
51AQI
51AQI
17th April 2025
50AQI
50AQI
18th April 2025
56AQI
56AQI
19th April 2025
57AQI
57AQI
20th April 2025
44AQI
44AQI
21st April 2025
40AQI
40AQI
22nd April 2025
42AQI
42AQI
23rd April 2025
27AQI
27AQI
24th April 2025
38AQI
38AQI
25th April 2025
63AQI
63AQI
26th April 2025
51AQI
51AQI
27th April 2025
58AQI
58AQI
28th April 2025
48AQI
48AQI
29th April 2025
51AQI
51AQI
30th April 2025
54AQI
54AQI
1st May 2025
52AQI
52AQI
2nd May 2025
47AQI
47AQI
3rd May 2025
48AQI
48AQI
4th May 2025
41AQI
41AQI
5th May 2025
44AQI
44AQI
6th May 2025
35AQI
35AQI
7th May 2025
37AQI
37AQI
8th May 2025
40AQI
40AQI
9th May 2025
34AQI
34AQI
10th May 2025
37AQI
37AQI
11th May 2025
47AQI
47AQI
12th May 2025
53AQI
53AQI
13th May 2025
57AQI
57AQI
14th May 2025
60AQI
60AQI
15th May 2025
57AQI
57AQI
16th May 2025
55AQI
55AQI
17th May 2025
43AQI
43AQI
18th May 2025
52AQI
52AQI
19th May 2025
59AQI
59AQI
20th May 2025
59AQI
59AQI
21st May 2025
43AQI
43AQI
22nd May 2025
40AQI
40AQI
23rd May 2025
46AQI
46AQI
24th May 2025
31AQI
31AQI
25th May 2025
31AQI
31AQI
26th May 2025
32AQI
32AQI
27th May 2025
42AQI
42AQI
28th May 2025
45AQI
45AQI
29th May 2025
43AQI
43AQI
30th May 2025
42AQI
42AQI
31st May 2025
39AQI
39AQI
1st June 2025
47AQI
47AQI
2nd June 2025
52AQI
52AQI
3rd June 2025
32AQI
32AQI
4th June 2025
45AQI
45AQI
5th June 2025
46AQI
46AQI
6th June 2025
54AQI
54AQI
7th June 2025
60AQI
60AQI
8th June 2025
65AQI
65AQI
9th June 2025
56AQI
56AQI
10th June 2025
35AQI
35AQI
11th June 2025
41AQI
41AQI
12th June 2025
50AQI
50AQI
13th June 2025
46AQI
46AQI
14th June 2025
37AQI
37AQI
15th June 2025
31AQI
31AQI
16th June 2025
33AQI
33AQI
17th June 2025
34AQI
34AQI
18th June 2025
43AQI
43AQI
19th June 2025
46AQI
46AQI
20th June 2025
52AQI
52AQI
21st June 2025
56AQI
56AQI
22nd June 2025
65AQI
65AQI
23rd June 2025
49AQI
49AQI
24th June 2025
47AQI
47AQI
25th June 2025
44AQI
44AQI
26th June 2025
49AQI
49AQI
27th June 2025
52AQI
52AQI
28th June 2025
46AQI
46AQI
29th June 2025
49AQI
49AQI
30th June 2025
54AQI
54AQI
1st July 2025
62AQI
62AQI
2nd July 2025
74AQI
74AQI
3rd July 2025
74AQI
74AQI
4th July 2025
75AQI
75AQI
5th July 2025
68AQI
68AQI
6th July 2025
58AQI
58AQI
7th July 2025
57AQI
57AQI
8th July 2025
61AQI
61AQI
9th July 2025
69AQI
69AQI
10th July 2025
72AQI
72AQI
11th July 2025
61AQI
61AQI
12th July 2025
54AQI
54AQI
13th July 2025
48AQI
48AQI
14th July 2025
42AQI
42AQI
15th July 2025
51AQI
51AQI
16th July 2025
56AQI
56AQI
17th July 2025
47AQI
47AQI
18th July 2025
39AQI
39AQI
19th July 2025
36AQI
36AQI
20th July 2025
32AQI
32AQI
21st July 2025
31AQI
31AQI
22nd July 2025
31AQI
31AQI
23rd July 2025
31AQI
31AQI
24th July 2025
31AQI
31AQI
25th July 2025
28AQI
28AQI
26th July 2025
25AQI
25AQI
27th July 2025
25AQI
25AQI
28th July 2025
27AQI
27AQI
29th July 2025
28AQI
28AQI
30th July 2025
30AQI
30AQI
31st July 2025
32AQI
32AQI
1st August 2025
46AQI
46AQI
2nd August 2025
46AQI
46AQI
3rd August 2025
48AQI
48AQI
4th August 2025
49AQI
49AQI
5th August 2025
46AQI
46AQI
42AQI
40AQI
49AQI
47AQI
45AQI
47AQI
47AQI
47AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202545AQI
27
4
25
3
17
14
17
13
22
9
20
10
17
14
5
150
67
Highest AQI recorded in
March49AQI
Lowest AQI recorded in
February40AQI
202436AQI
14
2
1
1
1
9
3
29
1
31
31
24
5
30
1
27
3
31
228
16
Highest AQI recorded in
April50AQI
Lowest AQI recorded in
July28AQI
202337AQI
3
23
8
26
8
Highest AQI recorded in
November39AQI
Lowest AQI recorded in
December37AQI
202234AQI
22
2
22
2
Highest AQI recorded in
January34AQI
Lowest AQI recorded in
January34AQI
202135AQI
25
6
24
4
27
2
19
2
21
10
24
6
31
31
29
1
28
3
21
9
30
1
310
44
Highest AQI recorded in
June43AQI
Lowest AQI recorded in
August28AQI
202033AQI
13
18
3
14
4
25
5
30
1
12
6
1
19
28
3
27
3
26
5
212
30
1
Highest AQI recorded in
August45AQI
Lowest AQI recorded in
July25AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
45AQILeast Polluted Year Recorded
2020(Avg.)
33AQIOminecho Higashibun's annual 2025 AQI (45) shows an average percentage change of 30.6% (worsened AQI) compared to previous years: 2020 (33), 2021 (35), 2022 (34), 2023 (37), 2024 (36).
