Naka, Yamaga, Kumamoto, 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
Naka, Yamaga, Kumamoto, Japan
2021
2022
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
31st Aug 2022
67AQILowest AQI recorded on
12th Aug 2021
11AQISame Day Analysis (3rd August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 41 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Naka, Yamaga, Kumamoto, Japan
AQI
Day
Night
.
5 AM3rd Aug 2025
7 PM
4 AM4th Aug 2025
Day time
Avg. Highest Time
2PM3rd Aug
60AQI
Avg. Lowest Time
8AM3rd Aug
42AQI
Night time
Avg. Highest Time
8PM3rd Aug
55AQI
Avg. Lowest Time
1AM4th Aug
40AQI
In the last 24 hours,
Naka's AQI reached its highest point of 60 at 2 PM during the Day, while the lowest point, 40, was recorded at 1 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Naka, Yamaga, Kumamoto, Japan
JulAug
05th - 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 - 04th04th
Day
Night
5th Jul 2025825 AMAQI
5th Jul 2025826 AMAQI
5th Jul 2025827 AMAQI
5th Jul 2025828 AMAQI
5th Jul 2025889 AMAQI
5th Jul 20258910 AMAQI
5th Jul 20258111 AMAQI
5th Jul 20257512 PMAQI
5th Jul 2025691 PMAQI
5th Jul 2025742 PMAQI
5th Jul 2025693 PMAQI
5th Jul 2025644 PMAQI
5th Jul 2025655 PMAQI
5th Jul 2025626 PMAQI
5th Jul 2025627 PMAQI
5th Jul 2025668 PMAQI
5th Jul 2025689 PMAQI
5th Jul 20256810 PMAQI
5th Jul 20256711 PMAQI
6th Jul 20256712 AMAQI
6th Jul 2025701 AMAQI
6th Jul 2025802 AMAQI
6th Jul 2025793 AMAQI
6th Jul 2025804 AMAQI
28°C25/32°C
6th Jul 2025785 AMAQI
6th Jul 2025776 AMAQI
6th Jul 2025777 AMAQI
6th Jul 2025788 AMAQI
6th Jul 2025599 AMAQI
6th Jul 20253610 AMAQI
6th Jul 20254011 AMAQI
6th Jul 20253612 PMAQI
6th Jul 2025451 PMAQI
6th Jul 2025442 PMAQI
6th Jul 2025423 PMAQI
6th Jul 2025424 PMAQI
6th Jul 2025495 PMAQI
6th Jul 2025446 PMAQI
6th Jul 2025417 PMAQI
6th Jul 2025488 PMAQI
6th Jul 2025659 PMAQI
6th Jul 20256410 PMAQI
6th Jul 20256511 PMAQI
7th Jul 20256412 AMAQI
7th Jul 2025671 AMAQI
7th Jul 2025752 AMAQI
7th Jul 2025753 AMAQI
7th Jul 2025744 AMAQI
28°C25/32°C
7th Jul 2025715 AMAQI
7th Jul 2025706 AMAQI
7th Jul 2025707 AMAQI
7th Jul 2025708 AMAQI
7th Jul 2025419 AMAQI
7th Jul 20253710 AMAQI
7th Jul 20253611 AMAQI
7th Jul 20254612 PMAQI
7th Jul 2025521 PMAQI
7th Jul 2025522 PMAQI
7th Jul 2025543 PMAQI
7th Jul 2025554 PMAQI
7th Jul 2025545 PMAQI
7th Jul 2025566 PMAQI
7th Jul 2025547 PMAQI
7th Jul 2025548 PMAQI
7th Jul 2025619 PMAQI
7th Jul 20255910 PMAQI
7th Jul 20255911 PMAQI
8th Jul 20256012 AMAQI
8th Jul 2025611 AMAQI
8th Jul 2025682 AMAQI
8th Jul 2025683 AMAQI
8th Jul 2025684 AMAQI
29°C25/33°C
8th Jul 2025665 AMAQI
8th Jul 2025656 AMAQI
8th Jul 2025657 AMAQI
8th Jul 2025658 AMAQI
8th Jul 2025509 AMAQI
8th Jul 20255210 AMAQI
8th Jul 20255611 AMAQI
8th Jul 20255912 PMAQI
8th Jul 2025641 PMAQI
8th Jul 2025732 PMAQI
8th Jul 2025753 PMAQI
8th Jul 2025764 PMAQI
8th Jul 2025755 PMAQI
8th Jul 2025696 PMAQI
8th Jul 2025617 PMAQI
8th Jul 2025608 PMAQI
8th Jul 2025669 PMAQI
8th Jul 20256410 PMAQI
8th Jul 20256111 PMAQI
9th Jul 20256212 AMAQI
9th Jul 2025631 AMAQI
9th Jul 2025642 AMAQI
9th Jul 2025643 AMAQI
9th Jul 2025654 AMAQI
30°C26/34°C
9th Jul 2025645 AMAQI
9th Jul 2025646 AMAQI
9th Jul 2025647 AMAQI
9th Jul 2025648 AMAQI
9th Jul 2025639 AMAQI
9th Jul 20256610 AMAQI
9th Jul 20257611 AMAQI
9th Jul 20257812 PMAQI
9th Jul 2025831 PMAQI
9th Jul 2025822 PMAQI
9th Jul 2025833 PMAQI
9th Jul 2025874 PMAQI
9th Jul 2025835 PMAQI
9th Jul 2025756 PMAQI
9th Jul 2025797 PMAQI
9th Jul 2025828 PMAQI
9th Jul 2025689 PMAQI
9th Jul 20256810 PMAQI
9th Jul 20256611 PMAQI
10th Jul 20256712 AMAQI
10th Jul 2025641 AMAQI
10th Jul 2025642 AMAQI
10th Jul 2025643 AMAQI
10th Jul 2025644 AMAQI
30°C26/34°C
10th Jul 2025665 AMAQI
10th Jul 2025656 AMAQI
10th Jul 2025667 AMAQI
10th Jul 2025658 AMAQI
10th Jul 2025409 AMAQI
10th Jul 20254210 AMAQI
10th Jul 20254511 AMAQI
10th Jul 20255212 PMAQI
10th Jul 2025551 PMAQI
10th Jul 2025632 PMAQI
10th Jul 2025653 PMAQI
10th Jul 2025624 PMAQI
10th Jul 2025565 PMAQI
10th Jul 2025496 PMAQI
10th Jul 2025367 PMAQI
10th Jul 2025438 PMAQI
10th Jul 2025569 PMAQI
10th Jul 20255610 PMAQI
10th Jul 20255411 PMAQI
11th Jul 20255512 AMAQI
11th Jul 2025581 AMAQI
11th Jul 2025642 AMAQI
11th Jul 2025643 AMAQI
11th Jul 2025634 AMAQI
29°C26/34°C
11th Jul 2025635 AMAQI
11th Jul 2025636 AMAQI
11th Jul 2025637 AMAQI
11th Jul 2025638 AMAQI
11th Jul 2025309 AMAQI
11th Jul 20251610 AMAQI
11th Jul 20251611 AMAQI
11th Jul 20251612 PMAQI
11th Jul 2025241 PMAQI
11th Jul 2025262 PMAQI
11th Jul 2025243 PMAQI
11th Jul 2025274 PMAQI
11th Jul 2025295 PMAQI
11th Jul 2025346 PMAQI
11th Jul 2025287 PMAQI
11th Jul 2025368 PMAQI
11th Jul 2025519 PMAQI
11th Jul 20255010 PMAQI
11th Jul 20255011 PMAQI
12th Jul 20255212 AMAQI
12th Jul 2025531 AMAQI
12th Jul 2025622 AMAQI
12th Jul 2025613 AMAQI
12th Jul 2025604 AMAQI
29°C27/33°C
12th Jul 2025565 AMAQI
12th Jul 2025566 AMAQI
12th Jul 2025567 AMAQI
12th Jul 2025568 AMAQI
12th Jul 2025279 AMAQI
12th Jul 20251910 AMAQI
12th Jul 20252011 AMAQI
12th Jul 20252212 PMAQI
12th Jul 2025461 PMAQI
12th Jul 2025322 PMAQI
12th Jul 2025283 PMAQI
12th Jul 2025284 PMAQI
12th Jul 2025285 PMAQI
12th Jul 2025276 PMAQI
12th Jul 2025277 PMAQI
12th Jul 2025278 PMAQI
12th Jul 2025449 PMAQI
12th Jul 20254410 PMAQI
12th Jul 20254411 PMAQI
13th Jul 20254612 AMAQI
13th Jul 2025491 AMAQI
13th Jul 2025562 AMAQI
13th Jul 2025573 AMAQI
13th Jul 2025564 AMAQI
29°C26/33°C
13th Jul 2025545 AMAQI
13th Jul 2025546 AMAQI
13th Jul 2025537 AMAQI
13th Jul 2025548 AMAQI
13th Jul 2025389 AMAQI
13th Jul 20252310 AMAQI
13th Jul 20252011 AMAQI
13th Jul 20252112 PMAQI
13th Jul 2025291 PMAQI
13th Jul 2025282 PMAQI
13th Jul 2025243 PMAQI
13th Jul 2025284 PMAQI
13th Jul 2025365 PMAQI
13th Jul 2025336 PMAQI
13th Jul 2025257 PMAQI
13th Jul 2025288 PMAQI
13th Jul 2025429 PMAQI
13th Jul 20254210 PMAQI
13th Jul 20254211 PMAQI
14th Jul 20254412 AMAQI
14th Jul 2025481 AMAQI
14th Jul 2025542 AMAQI
14th Jul 2025543 AMAQI
14th Jul 2025544 AMAQI
28°C25/33°C
14th Jul 2025525 AMAQI
14th Jul 2025526 AMAQI
14th Jul 2025527 AMAQI
14th Jul 2025528 AMAQI
14th Jul 2025269 AMAQI
14th Jul 20251810 AMAQI
14th Jul 20252311 AMAQI
14th Jul 20251712 PMAQI
14th Jul 2025221 PMAQI
14th Jul 2025222 PMAQI
14th Jul 2025223 PMAQI
14th Jul 2025214 PMAQI
14th Jul 2025225 PMAQI
14th Jul 2025246 PMAQI
14th Jul 2025297 PMAQI
14th Jul 2025308 PMAQI
14th Jul 2025429 PMAQI
14th Jul 20254410 PMAQI
14th Jul 20254111 PMAQI
15th Jul 20254312 AMAQI
15th Jul 2025481 AMAQI
15th Jul 2025522 AMAQI
15th Jul 2025523 AMAQI
15th Jul 2025524 AMAQI
25°C24/28°C
15th Jul 2025495 AMAQI
15th Jul 2025506 AMAQI
15th Jul 2025517 AMAQI
15th Jul 2025508 AMAQI
15th Jul 2025479 AMAQI
15th Jul 20254810 AMAQI
15th Jul 20254611 AMAQI
15th Jul 20254212 PMAQI
15th Jul 2025401 PMAQI
15th Jul 2025412 PMAQI
15th Jul 2025413 PMAQI
15th Jul 2025424 PMAQI
15th Jul 2025445 PMAQI
15th Jul 2025446 PMAQI
15th Jul 2025447 PMAQI
15th Jul 2025448 PMAQI
15th Jul 2025489 PMAQI
15th Jul 20254610 PMAQI
15th Jul 20254811 PMAQI
16th Jul 20254812 AMAQI
16th Jul 2025481 AMAQI
16th Jul 2025502 AMAQI
16th Jul 2025523 AMAQI
16th Jul 2025514 AMAQI
26°C23/29°C
16th Jul 2025485 AMAQI
16th Jul 2025506 AMAQI
16th Jul 2025507 AMAQI
16th Jul 2025508 AMAQI
16th Jul 2025359 AMAQI
16th Jul 20253910 AMAQI
16th Jul 20254811 AMAQI
16th Jul 20255512 PMAQI
16th Jul 2025581 PMAQI
16th Jul 2025672 PMAQI
16th Jul 2025743 PMAQI
16th Jul 2025844 PMAQI
16th Jul 2025885 PMAQI
16th Jul 2025856 PMAQI
16th Jul 2025837 PMAQI
16th Jul 2025828 PMAQI
16th Jul 2025629 PMAQI
16th Jul 20255810 PMAQI
16th Jul 20255111 PMAQI
17th Jul 20254912 AMAQI
17th Jul 2025491 AMAQI
17th Jul 2025492 AMAQI
17th Jul 2025503 AMAQI
17th Jul 2025514 AMAQI
26°C22/30°C
17th Jul 2025525 AMAQI
17th Jul 2025526 AMAQI
17th Jul 2025527 AMAQI
17th Jul 2025528 AMAQI
17th Jul 2025469 AMAQI
17th Jul 20255110 AMAQI
17th Jul 20255911 AMAQI
17th Jul 20255612 PMAQI
17th Jul 2025611 PMAQI
17th Jul 2025682 PMAQI
17th Jul 2025703 PMAQI
17th Jul 2025744 PMAQI
17th Jul 2025745 PMAQI
17th Jul 2025686 PMAQI
17th Jul 2025567 PMAQI
17th Jul 2025518 PMAQI
17th Jul 2025489 PMAQI
17th Jul 20254610 PMAQI
17th Jul 20254311 PMAQI
18th Jul 20254412 AMAQI
18th Jul 2025471 AMAQI
18th Jul 2025522 AMAQI
18th Jul 2025513 AMAQI
18th Jul 2025524 AMAQI
28°C24/32°C
18th Jul 2025535 AMAQI
18th Jul 2025526 AMAQI
18th Jul 2025527 AMAQI
18th Jul 2025528 AMAQI
18th Jul 2025259 AMAQI
18th Jul 20251910 AMAQI
18th Jul 20252211 AMAQI
18th Jul 20251512 PMAQI
18th Jul 2025191 PMAQI
18th Jul 2025212 PMAQI
18th Jul 2025173 PMAQI
18th Jul 2025174 PMAQI
18th Jul 2025195 PMAQI
18th Jul 2025236 PMAQI
18th Jul 2025177 PMAQI
18th Jul 2025278 PMAQI
18th Jul 2025399 PMAQI
18th Jul 20253810 PMAQI
18th Jul 20253611 PMAQI
19th Jul 20253812 AMAQI
19th Jul 2025431 AMAQI
19th Jul 2025512 AMAQI
19th Jul 2025513 AMAQI
19th Jul 2025504 AMAQI
25°C24/25°C
19th Jul 2025465 AMAQI
19th Jul 2025446 AMAQI
19th Jul 2025447 AMAQI
19th Jul 2025458 AMAQI
19th Jul 2025229 AMAQI
19th Jul 20251810 AMAQI
19th Jul 20252211 AMAQI
19th Jul 20253212 PMAQI
19th Jul 2025271 PMAQI
19th Jul 2025252 PMAQI
19th Jul 2025223 PMAQI
19th Jul 2025254 PMAQI
19th Jul 2025245 PMAQI
19th Jul 2025216 PMAQI
19th Jul 2025227 PMAQI
19th Jul 2025298 PMAQI
19th Jul 2025369 PMAQI
19th Jul 20253310 PMAQI
19th Jul 20253411 PMAQI
20th Jul 20253512 AMAQI
20th Jul 2025381 AMAQI
20th Jul 2025472 AMAQI
20th Jul 2025463 AMAQI
20th Jul 2025454 AMAQI
27°C23/31°C
20th Jul 2025425 AMAQI
20th Jul 2025426 AMAQI
20th Jul 2025427 AMAQI
20th Jul 2025428 AMAQI
20th Jul 2025309 AMAQI
20th Jul 20251810 AMAQI
20th Jul 20252111 AMAQI
20th Jul 20252112 PMAQI
20th Jul 2025181 PMAQI
20th Jul 2025192 PMAQI
20th Jul 2025163 PMAQI
20th Jul 2025174 PMAQI
20th Jul 2025205 PMAQI
20th Jul 2025206 PMAQI
20th Jul 2025197 PMAQI
20th Jul 2025218 PMAQI
20th Jul 2025309 PMAQI
20th Jul 20253010 PMAQI
20th Jul 20253011 PMAQI
21st Jul 20253212 AMAQI
21st Jul 2025371 AMAQI
21st Jul 2025422 AMAQI
21st Jul 2025423 AMAQI
21st Jul 2025414 AMAQI
28°C24/32°C
21st Jul 2025385 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025387 AMAQI
21st Jul 2025388 AMAQI
21st Jul 2025219 AMAQI
21st Jul 20252010 AMAQI
21st Jul 20252211 AMAQI
21st Jul 20252212 PMAQI
21st Jul 2025231 PMAQI
21st Jul 2025222 PMAQI
21st Jul 2025223 PMAQI
21st Jul 2025244 PMAQI
21st Jul 2025245 PMAQI
21st Jul 2025296 PMAQI
21st Jul 2025327 PMAQI
21st Jul 2025368 PMAQI
21st Jul 2025469 PMAQI
21st Jul 20254310 PMAQI
21st Jul 20254211 PMAQI
22nd Jul 20253612 AMAQI
22nd Jul 2025361 AMAQI
22nd Jul 2025382 AMAQI
22nd Jul 2025383 AMAQI
22nd Jul 2025374 AMAQI
29°C25/33°C
22nd Jul 2025355 AMAQI
22nd Jul 2025346 AMAQI
22nd Jul 2025347 AMAQI
22nd Jul 2025358 AMAQI
22nd Jul 2025289 AMAQI
22nd Jul 20253010 AMAQI
22nd Jul 20254711 AMAQI
22nd Jul 20255412 PMAQI
22nd Jul 2025551 PMAQI
22nd Jul 2025562 PMAQI
22nd Jul 2025593 PMAQI
22nd Jul 2025554 PMAQI
22nd Jul 2025565 PMAQI
22nd Jul 2025586 PMAQI
22nd Jul 2025587 PMAQI
22nd Jul 2025588 PMAQI
22nd Jul 2025499 PMAQI
22nd Jul 20254310 PMAQI
22nd Jul 20253511 PMAQI
23rd Jul 20253212 AMAQI
23rd Jul 2025331 AMAQI
23rd Jul 2025362 AMAQI
23rd Jul 2025363 AMAQI
23rd Jul 2025374 AMAQI
29°C25/34°C
23rd Jul 2025385 AMAQI
23rd Jul 2025386 AMAQI
23rd Jul 2025387 AMAQI
23rd Jul 2025398 AMAQI
23rd Jul 2025259 AMAQI
23rd Jul 20253010 AMAQI
23rd Jul 20253811 AMAQI
23rd Jul 20254512 PMAQI
23rd Jul 2025441 PMAQI
23rd Jul 2025412 PMAQI
23rd Jul 2025423 PMAQI
23rd Jul 2025474 PMAQI
23rd Jul 2025625 PMAQI
23rd Jul 2025616 PMAQI
23rd Jul 2025607 PMAQI
23rd Jul 2025558 PMAQI
23rd Jul 2025449 PMAQI
23rd Jul 20253310 PMAQI
23rd Jul 20253011 PMAQI
24th Jul 20253012 AMAQI
24th Jul 2025321 AMAQI
24th Jul 2025362 AMAQI
24th Jul 2025373 AMAQI
24th Jul 2025374 AMAQI
30°C25/34°C
24th Jul 2025375 AMAQI
24th Jul 2025386 AMAQI
24th Jul 2025377 AMAQI
24th Jul 2025378 AMAQI
24th Jul 2025249 AMAQI
24th Jul 20252410 AMAQI
24th Jul 20253211 AMAQI
24th Jul 20252812 PMAQI
24th Jul 2025281 PMAQI
24th Jul 2025272 PMAQI
24th Jul 2025263 PMAQI
24th Jul 2025224 PMAQI
24th Jul 2025205 PMAQI
24th Jul 2025236 PMAQI
24th Jul 2025217 PMAQI
24th Jul 2025248 PMAQI
24th Jul 2025279 PMAQI
24th Jul 20252610 PMAQI
24th Jul 20252411 PMAQI
25th Jul 20252612 AMAQI
25th Jul 2025291 AMAQI
25th Jul 2025362 AMAQI
25th Jul 2025363 AMAQI
25th Jul 2025364 AMAQI
30°C25/35°C
25th Jul 2025335 AMAQI
25th Jul 2025346 AMAQI
25th Jul 2025347 AMAQI
25th Jul 2025348 AMAQI
25th Jul 2025219 AMAQI
25th Jul 20251910 AMAQI
25th Jul 20251711 AMAQI
25th Jul 20252212 PMAQI
25th Jul 2025241 PMAQI
25th Jul 2025252 PMAQI
25th Jul 2025223 PMAQI
25th Jul 2025194 PMAQI
25th Jul 2025245 PMAQI
25th Jul 2025196 PMAQI
25th Jul 2025167 PMAQI
25th Jul 2025188 PMAQI
25th Jul 2025249 PMAQI
25th Jul 20252310 PMAQI
25th Jul 20252411 PMAQI
26th Jul 20252412 AMAQI
26th Jul 2025281 AMAQI
26th Jul 2025332 AMAQI
26th Jul 2025323 AMAQI
26th Jul 2025324 AMAQI
30°C26/35°C
26th Jul 2025305 AMAQI
26th Jul 2025316 AMAQI
26th Jul 2025317 AMAQI
26th Jul 2025308 AMAQI
26th Jul 2025189 AMAQI
26th Jul 20251410 AMAQI
26th Jul 20251711 AMAQI
26th Jul 20251612 PMAQI
26th Jul 2025171 PMAQI
26th Jul 2025172 PMAQI
26th Jul 2025173 PMAQI
26th Jul 2025184 PMAQI
26th Jul 2025185 PMAQI
26th Jul 2025186 PMAQI
26th Jul 2025207 PMAQI
26th Jul 2025198 PMAQI
26th Jul 2025249 PMAQI
26th Jul 20252410 PMAQI
26th Jul 20252411 PMAQI
27th Jul 20252312 AMAQI
27th Jul 2025241 AMAQI
27th Jul 2025302 AMAQI
27th Jul 2025303 AMAQI
27th Jul 2025304 AMAQI
29°C26/34°C
27th Jul 2025285 AMAQI
27th Jul 2025286 AMAQI
27th Jul 2025287 AMAQI
27th Jul 2025278 AMAQI
27th Jul 2025209 AMAQI
27th Jul 20251510 AMAQI
27th Jul 20251511 AMAQI
27th Jul 20251612 PMAQI
27th Jul 2025141 PMAQI
27th Jul 2025132 PMAQI
27th Jul 2025163 PMAQI
27th Jul 2025184 PMAQI
27th Jul 2025205 PMAQI
27th Jul 2025206 PMAQI
27th Jul 2025207 PMAQI
27th Jul 2025198 PMAQI
27th Jul 2025249 PMAQI
27th Jul 20252310 PMAQI
27th Jul 20252411 PMAQI
28th Jul 20252312 AMAQI
28th Jul 2025241 AMAQI
28th Jul 2025282 AMAQI
28th Jul 2025283 AMAQI
28th Jul 2025284 AMAQI
30°C27/34°C
28th Jul 2025265 AMAQI
28th Jul 2025256 AMAQI
28th Jul 2025267 AMAQI
28th Jul 2025258 AMAQI
28th Jul 2025189 AMAQI
28th Jul 20251810 AMAQI
28th Jul 20252011 AMAQI
28th Jul 20252312 PMAQI
28th Jul 2025241 PMAQI
28th Jul 2025282 PMAQI
28th Jul 2025243 PMAQI
28th Jul 2025274 PMAQI
28th Jul 2025295 PMAQI
28th Jul 2025296 PMAQI
28th Jul 2025227 PMAQI
28th Jul 2025218 PMAQI
28th Jul 2025229 PMAQI
28th Jul 20252210 PMAQI
28th Jul 20252211 PMAQI
29th Jul 20252212 AMAQI
29th Jul 2025221 AMAQI
29th Jul 2025272 AMAQI
29th Jul 2025263 AMAQI
29th Jul 2025264 AMAQI
30°C25/36°C
29th Jul 2025255 AMAQI
29th Jul 2025256 AMAQI
29th Jul 2025257 AMAQI
29th Jul 2025258 AMAQI
29th Jul 2025189 AMAQI
29th Jul 20252310 AMAQI
29th Jul 20252811 AMAQI
29th Jul 20252812 PMAQI
29th Jul 2025251 PMAQI
29th Jul 2025322 PMAQI
29th Jul 2025353 PMAQI
29th Jul 2025384 PMAQI
29th Jul 2025375 PMAQI
29th Jul 2025396 PMAQI
29th Jul 2025387 PMAQI
29th Jul 2025298 PMAQI
29th Jul 2025289 PMAQI
29th Jul 20252810 PMAQI
29th Jul 20252611 PMAQI
30th Jul 20252212 AMAQI
30th Jul 2025241 AMAQI
30th Jul 2025262 AMAQI
30th Jul 2025263 AMAQI
30th Jul 2025254 AMAQI
30°C25/35°C
30th Jul 2025265 AMAQI
30th Jul 2025266 AMAQI
30th Jul 2025267 AMAQI
30th Jul 2025258 AMAQI
30th Jul 2025239 AMAQI
30th Jul 20252710 AMAQI
30th Jul 20253311 AMAQI
30th Jul 20253612 PMAQI
30th Jul 2025251 PMAQI
30th Jul 2025272 PMAQI
30th Jul 2025273 PMAQI
30th Jul 2025284 PMAQI
30th Jul 2025275 PMAQI
30th Jul 2025286 PMAQI
30th Jul 2025307 PMAQI
30th Jul 2025268 PMAQI
30th Jul 2025259 PMAQI
30th Jul 20252510 PMAQI
30th Jul 20252411 PMAQI
31st Jul 20252412 AMAQI
31st Jul 2025251 AMAQI
31st Jul 2025252 AMAQI
31st Jul 2025243 AMAQI
31st Jul 2025264 AMAQI
30°C25/35°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 20252611 AMAQI
31st Jul 20252512 PMAQI
31st Jul 2025261 PMAQI
31st Jul 2025262 PMAQI
31st Jul 2025263 PMAQI
31st Jul 2025294 PMAQI
31st Jul 2025265 PMAQI
31st Jul 2025306 PMAQI
31st Jul 2025307 PMAQI
31st Jul 2025318 PMAQI
31st Jul 2025389 PMAQI
31st Jul 20254110 PMAQI
31st Jul 20254311 PMAQI
1st Aug 20253112 AMAQI
1st Aug 2025311 AMAQI
1st Aug 2025312 AMAQI
1st Aug 2025283 AMAQI
1st Aug 2025294 AMAQI
30°C24/35°C
1st Aug 2025285 AMAQI
1st Aug 2025286 AMAQI
1st Aug 2025307 AMAQI
1st Aug 2025318 AMAQI
1st Aug 2025509 AMAQI
1st Aug 20255210 AMAQI
1st Aug 20255311 AMAQI
1st Aug 20255512 PMAQI
1st Aug 2025571 PMAQI
1st Aug 2025522 PMAQI
1st Aug 2025553 PMAQI
1st Aug 2025614 PMAQI
1st Aug 2025575 PMAQI
1st Aug 2025566 PMAQI
1st Aug 2025557 PMAQI
1st Aug 2025538 PMAQI
1st Aug 2025469 PMAQI
1st Aug 20254210 PMAQI
1st Aug 20254411 PMAQI
2nd Aug 20253612 AMAQI
2nd Aug 2025331 AMAQI
2nd Aug 2025312 AMAQI
2nd Aug 2025283 AMAQI
2nd Aug 2025344 AMAQI
30°C26/35°C
2nd Aug 2025385 AMAQI
2nd Aug 2025376 AMAQI
2nd Aug 2025367 AMAQI
2nd Aug 2025378 AMAQI
2nd Aug 2025549 AMAQI
2nd Aug 20255510 AMAQI
2nd Aug 20256211 AMAQI
2nd Aug 20256212 PMAQI
2nd Aug 2025631 PMAQI
2nd Aug 2025662 PMAQI
2nd Aug 2025583 PMAQI
2nd Aug 2025564 PMAQI
2nd Aug 2025615 PMAQI
2nd Aug 2025606 PMAQI
2nd Aug 2025577 PMAQI
2nd Aug 2025548 PMAQI
2nd Aug 2025509 PMAQI
2nd Aug 20254910 PMAQI
2nd Aug 20254611 PMAQI
3rd Aug 20254312 AMAQI
3rd Aug 2025391 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025363 AMAQI
3rd Aug 2025404 AMAQI
30°C26/36°C
3rd Aug 2025455 AMAQI
3rd Aug 2025436 AMAQI
3rd Aug 2025437 AMAQI
3rd Aug 2025428 AMAQI
3rd Aug 2025519 AMAQI
3rd Aug 20255210 AMAQI
3rd Aug 20255511 AMAQI
3rd Aug 20255712 PMAQI
3rd Aug 2025561 PMAQI
3rd Aug 2025602 PMAQI
3rd Aug 2025573 PMAQI
3rd Aug 2025584 PMAQI
3rd Aug 2025545 PMAQI
3rd Aug 2025566 PMAQI
3rd Aug 2025587 PMAQI
3rd Aug 2025558 PMAQI
3rd Aug 2025519 PMAQI
3rd Aug 20255010 PMAQI
3rd Aug 20254311 PMAQI
4th Aug 20254412 AMAQI
4th Aug 2025401 AMAQI
4th Aug 2025412 AMAQI
4th Aug 2025413 AMAQI
4th Aug 2025464 AMAQI
29°C26/33°C
4th Aug 2025465 AMAQI
5 AM4th Aug 2025486 AMAQI
4th Aug 2025467 AMAQI
4th Aug 2025468 AMAQI
4th Aug 2025349 AMAQI
4th Aug 20253210 AMAQI
4th Aug 20253411 AMAQI
4th Aug 20253012 PMAQI
12 PM4th Aug 2025361 PMAQI
4th Aug 2025302 PMAQI
4th Aug 2025343 PMAQI
4th Aug 2025404 PMAQI
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 AM
46AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
10 AM
33AQI
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. 46), while the lowest AQI was between 10 AM to 10 AM (Avg. 33).
Night time
Avg. Highest Time
2 AM - 4 AM
47AQI
3 hours / Day
90 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 2 AM to 4 AM (Avg. 47), while the lowest AQI was between 8 PM to 8 PM (Avg. 41).
2025 Days Vs Air Quality
Naka, Yamaga, Kumamoto, Japan
2025
71%
152
29%
63
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Good
152 DaysModerate
63 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 71%
Health Risk Level:
Low
In 2025, 71% of 216 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
Naka, Yamaga, Kumamoto, 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
39AQI
39AQI
2nd January 2025
44AQI
44AQI
3rd January 2025
37AQI
37AQI
4th January 2025
41AQI
41AQI
5th January 2025
44AQI
44AQI
6th January 2025
55AQI
55AQI
7th January 2025
34AQI
34AQI
8th January 2025
46AQI
46AQI
9th January 2025
30AQI
30AQI
10th January 2025
33AQI
33AQI
11th January 2025
33AQI
33AQI
12th January 2025
37AQI
37AQI
13th January 2025
44AQI
44AQI
14th January 2025
49AQI
49AQI
15th January 2025
51AQI
51AQI
16th January 2025
48AQI
48AQI
17th January 2025
53AQI
53AQI
18th January 2025
54AQI
54AQI
19th January 2025
56AQI
56AQI
20th January 2025
58AQI
58AQI
21st January 2025
75AQI
75AQI
22nd January 2025
75AQI
75AQI
23rd January 2025
72AQI
72AQI
24th January 2025
72AQI
72AQI
25th January 2025
50AQI
50AQI
26th January 2025
43AQI
43AQI
27th January 2025
44AQI
44AQI
28th January 2025
37AQI
37AQI
29th January 2025
34AQI
34AQI
30th January 2025
38AQI
38AQI
31st January 2025
48AQI
48AQI
1st February 2025
42AQI
42AQI
2nd February 2025
35AQI
35AQI
3rd February 2025
45AQI
45AQI
4th February 2025
32AQI
32AQI
5th February 2025
41AQI
41AQI
6th February 2025
32AQI
32AQI
7th February 2025
40AQI
40AQI
8th February 2025
29AQI
29AQI
9th February 2025
34AQI
34AQI
10th February 2025
32AQI
32AQI
11th February 2025
45AQI
45AQI
12th February 2025
51AQI
51AQI
13th February 2025
37AQI
37AQI
14th February 2025
46AQI
46AQI
15th February 2025
33AQI
33AQI
16th February 2025
39AQI
39AQI
17th February 2025
40AQI
40AQI
18th February 2025
34AQI
34AQI
19th February 2025
37AQI
37AQI
20th February 2025
34AQI
34AQI
21st February 2025
33AQI
33AQI
22nd February 2025
40AQI
40AQI
23rd February 2025
40AQI
40AQI
24th February 2025
38AQI
38AQI
25th February 2025
40AQI
40AQI
26th February 2025
40AQI
40AQI
27th February 2025
66AQI
66AQI
28th February 2025
55AQI
55AQI
1st March 2025
58AQI
58AQI
2nd March 2025
39AQI
39AQI
3rd March 2025
40AQI
40AQI
4th March 2025
28AQI
28AQI
5th March 2025
30AQI
30AQI
6th March 2025
31AQI
31AQI
7th March 2025
34AQI
34AQI
8th March 2025
44AQI
44AQI
9th March 2025
44AQI
44AQI
10th March 2025
51AQI
51AQI
11th March 2025
44AQI
44AQI
12th March 2025
50AQI
50AQI
13th March 2025
56AQI
56AQI
14th March 2025
37AQI
37AQI
15th March 2025
35AQI
35AQI
16th March 2025
28AQI
28AQI
17th March 2025
52AQI
52AQI
18th March 2025
42AQI
42AQI
19th March 2025
42AQI
42AQI
20th March 2025
52AQI
52AQI
21st March 2025
56AQI
56AQI
22nd March 2025
64AQI
64AQI
23rd March 2025
64AQI
64AQI
24th March 2025
53AQI
53AQI
25th March 2025
61AQI
61AQI
26th March 2025
63AQI
63AQI
27th March 2025
54AQI
54AQI
28th March 2025
62AQI
62AQI
29th March 2025
55AQI
55AQI
30th March 2025
44AQI
44AQI
31st March 2025
46AQI
46AQI
1st April 2025
46AQI
46AQI
2nd April 2025
36AQI
36AQI
3rd April 2025
36AQI
36AQI
4th April 2025
38AQI
38AQI
5th April 2025
45AQI
45AQI
6th April 2025
45AQI
45AQI
7th April 2025
44AQI
44AQI
8th April 2025
40AQI
40AQI
9th April 2025
55AQI
55AQI
10th April 2025
43AQI
43AQI
11th April 2025
57AQI
57AQI
12th April 2025
53AQI
53AQI
13th April 2025
52AQI
52AQI
14th April 2025
55AQI
55AQI
15th April 2025
36AQI
36AQI
16th April 2025
51AQI
51AQI
17th April 2025
45AQI
45AQI
18th April 2025
48AQI
48AQI
19th April 2025
53AQI
53AQI
20th April 2025
41AQI
41AQI
21st April 2025
47AQI
47AQI
22nd April 2025
37AQI
37AQI
23rd April 2025
28AQI
28AQI
24th April 2025
37AQI
37AQI
25th April 2025
49AQI
49AQI
26th April 2025
46AQI
46AQI
27th April 2025
52AQI
52AQI
28th April 2025
40AQI
40AQI
29th April 2025
51AQI
51AQI
30th April 2025
51AQI
51AQI
1st May 2025
50AQI
50AQI
2nd May 2025
42AQI
42AQI
3rd May 2025
45AQI
45AQI
4th May 2025
40AQI
40AQI
5th May 2025
46AQI
46AQI
6th May 2025
36AQI
36AQI
7th May 2025
39AQI
39AQI
8th May 2025
51AQI
51AQI
9th May 2025
30AQI
30AQI
10th May 2025
43AQI
43AQI
11th May 2025
45AQI
45AQI
12th May 2025
54AQI
54AQI
13th May 2025
55AQI
55AQI
14th May 2025
60AQI
60AQI
15th May 2025
58AQI
58AQI
16th May 2025
65AQI
65AQI
17th May 2025
39AQI
39AQI
18th May 2025
50AQI
50AQI
19th May 2025
54AQI
54AQI
20th May 2025
41AQI
41AQI
21st May 2025
34AQI
34AQI
22nd May 2025
35AQI
35AQI
23rd May 2025
45AQI
45AQI
24th May 2025
30AQI
30AQI
25th May 2025
33AQI
33AQI
26th May 2025
39AQI
39AQI
27th May 2025
45AQI
45AQI
28th May 2025
51AQI
51AQI
29th May 2025
45AQI
45AQI
30th May 2025
45AQI
45AQI
31st May 2025
45AQI
45AQI
1st June 2025
53AQI
53AQI
2nd June 2025
53AQI
53AQI
3rd June 2025
31AQI
31AQI
4th June 2025
46AQI
46AQI
5th June 2025
49AQI
49AQI
6th June 2025
56AQI
56AQI
7th June 2025
64AQI
64AQI
8th June 2025
66AQI
66AQI
9th June 2025
34AQI
34AQI
10th June 2025
29AQI
29AQI
11th June 2025
44AQI
44AQI
12th June 2025
38AQI
38AQI
13th June 2025
44AQI
44AQI
14th June 2025
29AQI
29AQI
15th June 2025
29AQI
29AQI
16th June 2025
32AQI
32AQI
17th June 2025
30AQI
30AQI
18th June 2025
34AQI
34AQI
19th June 2025
41AQI
41AQI
20th June 2025
39AQI
39AQI
21st June 2025
31AQI
31AQI
22nd June 2025
21AQI
21AQI
23rd June 2025
19AQI
19AQI
24th June 2025
26AQI
26AQI
25th June 2025
27AQI
27AQI
26th June 2025
26AQI
26AQI
27th June 2025
30AQI
30AQI
28th June 2025
34AQI
34AQI
29th June 2025
44AQI
44AQI
30th June 2025
57AQI
57AQI
1st July 2025
73AQI
73AQI
2nd July 2025
100AQI
100AQI
3rd July 2025
91AQI
91AQI
4th July 2025
93AQI
93AQI
5th July 2025
74AQI
74AQI
6th July 2025
59AQI
59AQI
7th July 2025
60AQI
60AQI
8th July 2025
65AQI
65AQI
9th July 2025
71AQI
71AQI
10th July 2025
56AQI
56AQI
11th July 2025
44AQI
44AQI
12th July 2025
41AQI
41AQI
13th July 2025
40AQI
40AQI
14th July 2025
37AQI
37AQI
15th July 2025
47AQI
47AQI
16th July 2025
60AQI
60AQI
17th July 2025
55AQI
55AQI
18th July 2025
35AQI
35AQI
19th July 2025
34AQI
34AQI
20th July 2025
30AQI
30AQI
21st July 2025
33AQI
33AQI
22nd July 2025
44AQI
44AQI
23rd July 2025
41AQI
41AQI
24th July 2025
29AQI
29AQI
25th July 2025
26AQI
26AQI
26th July 2025
23AQI
23AQI
27th July 2025
22AQI
22AQI
28th July 2025
24AQI
24AQI
29th July 2025
28AQI
28AQI
30th July 2025
26AQI
26AQI
31st July 2025
29AQI
29AQI
1st August 2025
43AQI
43AQI
2nd August 2025
47AQI
47AQI
3rd August 2025
41AQI
41AQI
48AQI
40AQI
47AQI
45AQI
45AQI
39AQI
48AQI
44AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202544AQI
21
10
25
3
17
14
20
10
23
8
24
6
19
12
3
152
63
Highest AQI recorded in
July48AQI
Lowest AQI recorded in
June39AQI
202441AQI
16
1
1
1
8
4
27
3
31
21
10
19
10
29
2
22
8
30
1
187
57
Highest AQI recorded in
January61AQI
Lowest AQI recorded in
July26AQI
202348AQI
18
11
2
13
15
19
11
3
2
1
19
12
74
50
2
Highest AQI recorded in
January50AQI
Lowest AQI recorded in
March46AQI
202245AQI
19
12
16
5
18
13
19
11
16
15
22
8
20
4
1
23
5
23
8
19
11
19
12
214
105
Highest AQI recorded in
August67AQI
Lowest AQI recorded in
September36AQI
202142AQI
26
5
19
9
17
12
15
6
17
14
15
15
27
4
31
28
2
20
11
17
13
22
9
254
100
Highest AQI recorded in
May51AQI
Lowest AQI recorded in
August28AQI
202052AQI
8
5
7
14
8
9
1
17
13
23
8
10
19
2
9
10
17
14
13
17
15
16
127
125
3
Highest AQI recorded in
August67AQI
Lowest AQI recorded in
July40AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
52AQILeast Polluted Year Recorded
2024(Avg.)
41AQINaka's annual 2025 AQI (44) shows an average percentage change of -1.4% (improved AQI) compared to previous years: 2020 (52), 2021 (42), 2022 (45), 2023 (48), 2024 (41).
