Isahaya, Nagasaki, 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
Isahaya, Nagasaki, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
15th Aug 2024
66AQILowest AQI recorded on
29th Aug 2024
12AQISame Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 44 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Isahaya, Nagasaki, 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
12PM2nd Aug
61AQI
Avg. Lowest Time
7AM2nd Aug
43AQI
In the last 24 hours,
Isahaya's AQI reached its highest point of 61 at 12 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
Isahaya, Nagasaki, 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 2025615 AMAQI
4th Jul 2025626 AMAQI
4th Jul 2025617 AMAQI
4th Jul 2025628 AMAQI
4th Jul 2025699 AMAQI
4th Jul 20257310 AMAQI
4th Jul 20257211 AMAQI
4th Jul 20257812 PMAQI
4th Jul 2025821 PMAQI
4th Jul 2025902 PMAQI
4th Jul 2025923 PMAQI
4th Jul 2025874 PMAQI
4th Jul 2025885 PMAQI
4th Jul 2025866 PMAQI
4th Jul 2025867 PMAQI
4th Jul 2025828 PMAQI
4th Jul 2025709 PMAQI
4th Jul 20256910 PMAQI
4th Jul 20257011 PMAQI
5th Jul 20257112 AMAQI
5th Jul 2025671 AMAQI
5th Jul 2025602 AMAQI
5th Jul 2025603 AMAQI
5th Jul 2025624 AMAQI
27°C24/31°C
5th Jul 2025655 AMAQI
5th Jul 2025646 AMAQI
5th Jul 2025647 AMAQI
5th Jul 2025648 AMAQI
5th Jul 2025709 AMAQI
5th Jul 20255610 AMAQI
5th Jul 20255111 AMAQI
5th Jul 20254712 PMAQI
5th Jul 2025421 PMAQI
5th Jul 2025402 PMAQI
5th Jul 2025423 PMAQI
5th Jul 2025424 PMAQI
5th Jul 2025365 PMAQI
5th Jul 2025406 PMAQI
5th Jul 2025437 PMAQI
5th Jul 2025448 PMAQI
5th Jul 2025539 PMAQI
5th Jul 20255410 PMAQI
5th Jul 20255211 PMAQI
6th Jul 20255212 AMAQI
6th Jul 2025561 AMAQI
6th Jul 2025642 AMAQI
6th Jul 2025633 AMAQI
6th Jul 2025624 AMAQI
27°C24/31°C
6th Jul 2025615 AMAQI
6th Jul 2025606 AMAQI
6th Jul 2025607 AMAQI
6th Jul 2025608 AMAQI
6th Jul 2025429 AMAQI
6th Jul 20252310 AMAQI
6th Jul 20252611 AMAQI
6th Jul 20252612 PMAQI
6th Jul 2025341 PMAQI
6th Jul 2025342 PMAQI
6th Jul 2025343 PMAQI
6th Jul 2025344 PMAQI
6th Jul 2025335 PMAQI
6th Jul 2025346 PMAQI
6th Jul 2025347 PMAQI
6th Jul 2025388 PMAQI
6th Jul 2025529 PMAQI
6th Jul 20255110 PMAQI
6th Jul 20255111 PMAQI
7th Jul 20255112 AMAQI
7th Jul 2025541 AMAQI
7th Jul 2025602 AMAQI
7th Jul 2025603 AMAQI
7th Jul 2025584 AMAQI
27°C24/31°C
7th Jul 2025565 AMAQI
7th Jul 2025566 AMAQI
7th Jul 2025567 AMAQI
7th Jul 2025568 AMAQI
7th Jul 2025339 AMAQI
7th Jul 20252710 AMAQI
7th Jul 20252411 AMAQI
7th Jul 20252612 PMAQI
7th Jul 2025301 PMAQI
7th Jul 2025282 PMAQI
7th Jul 2025303 PMAQI
7th Jul 2025324 PMAQI
7th Jul 2025325 PMAQI
7th Jul 2025326 PMAQI
7th Jul 2025277 PMAQI
7th Jul 2025318 PMAQI
7th Jul 2025459 PMAQI
7th Jul 20254610 PMAQI
7th Jul 20254911 PMAQI
8th Jul 20254912 AMAQI
8th Jul 2025511 AMAQI
8th Jul 2025562 AMAQI
8th Jul 2025563 AMAQI
8th Jul 2025564 AMAQI
28°C24/32°C
8th Jul 2025545 AMAQI
8th Jul 2025546 AMAQI
8th Jul 2025547 AMAQI
8th Jul 2025538 AMAQI
8th Jul 2025409 AMAQI
8th Jul 20253810 AMAQI
8th Jul 20253811 AMAQI
8th Jul 20254612 PMAQI
8th Jul 2025551 PMAQI
8th Jul 2025572 PMAQI
8th Jul 2025603 PMAQI
8th Jul 2025614 PMAQI
8th Jul 2025635 PMAQI
8th Jul 2025636 PMAQI
8th Jul 2025687 PMAQI
8th Jul 2025678 PMAQI
8th Jul 2025579 PMAQI
8th Jul 20255410 PMAQI
8th Jul 20255211 PMAQI
9th Jul 20255112 AMAQI
9th Jul 2025501 AMAQI
9th Jul 2025542 AMAQI
9th Jul 2025553 AMAQI
9th Jul 2025544 AMAQI
28°C25/34°C
9th Jul 2025535 AMAQI
9th Jul 2025546 AMAQI
9th Jul 2025547 AMAQI
9th Jul 2025548 AMAQI
9th Jul 2025509 AMAQI
9th Jul 20255410 AMAQI
9th Jul 20256011 AMAQI
9th Jul 20256412 PMAQI
9th Jul 2025681 PMAQI
9th Jul 2025672 PMAQI
9th Jul 2025653 PMAQI
9th Jul 2025654 PMAQI
9th Jul 2025735 PMAQI
9th Jul 2025746 PMAQI
9th Jul 2025737 PMAQI
9th Jul 2025668 PMAQI
9th Jul 2025579 PMAQI
9th Jul 20255710 PMAQI
9th Jul 20255611 PMAQI
10th Jul 20255612 AMAQI
10th Jul 2025561 AMAQI
10th Jul 2025542 AMAQI
10th Jul 2025543 AMAQI
10th Jul 2025544 AMAQI
28°C25/34°C
10th Jul 2025545 AMAQI
10th Jul 2025556 AMAQI
10th Jul 2025557 AMAQI
10th Jul 2025558 AMAQI
10th Jul 2025499 AMAQI
10th Jul 20254210 AMAQI
10th Jul 20253811 AMAQI
10th Jul 20253612 PMAQI
10th Jul 2025431 PMAQI
10th Jul 2025442 PMAQI
10th Jul 2025483 PMAQI
10th Jul 2025564 PMAQI
10th Jul 2025615 PMAQI
10th Jul 2025586 PMAQI
10th Jul 2025517 PMAQI
10th Jul 2025448 PMAQI
10th Jul 2025489 PMAQI
10th Jul 20254410 PMAQI
10th Jul 20254211 PMAQI
11th Jul 20254412 AMAQI
11th Jul 2025501 AMAQI
11th Jul 2025562 AMAQI
11th Jul 2025553 AMAQI
11th Jul 2025554 AMAQI
28°C24/34°C
11th Jul 2025545 AMAQI
11th Jul 2025546 AMAQI
11th Jul 2025547 AMAQI
11th Jul 2025548 AMAQI
11th Jul 2025289 AMAQI
11th Jul 20252210 AMAQI
11th Jul 20251611 AMAQI
11th Jul 20251912 PMAQI
11th Jul 2025261 PMAQI
11th Jul 2025292 PMAQI
11th Jul 2025253 PMAQI
11th Jul 2025284 PMAQI
11th Jul 2025295 PMAQI
11th Jul 2025296 PMAQI
11th Jul 2025317 PMAQI
11th Jul 2025288 PMAQI
11th Jul 2025439 PMAQI
11th Jul 20255010 PMAQI
11th Jul 20255311 PMAQI
12th Jul 20255312 AMAQI
12th Jul 2025541 AMAQI
12th Jul 2025542 AMAQI
12th Jul 2025543 AMAQI
12th Jul 2025534 AMAQI
28°C26/32°C
12th Jul 2025515 AMAQI
12th Jul 2025526 AMAQI
12th Jul 2025527 AMAQI
12th Jul 2025518 AMAQI
12th Jul 2025339 AMAQI
12th Jul 20252410 AMAQI
12th Jul 20252111 AMAQI
12th Jul 20252212 PMAQI
12th Jul 2025251 PMAQI
12th Jul 2025292 PMAQI
12th Jul 2025273 PMAQI
12th Jul 2025264 PMAQI
12th Jul 2025305 PMAQI
12th Jul 2025326 PMAQI
12th Jul 2025307 PMAQI
12th Jul 2025308 PMAQI
12th Jul 2025409 PMAQI
12th Jul 20254010 PMAQI
12th Jul 20254011 PMAQI
13th Jul 20253812 AMAQI
13th Jul 2025421 AMAQI
13th Jul 2025532 AMAQI
13th Jul 2025533 AMAQI
13th Jul 2025524 AMAQI
28°C24/33°C
13th Jul 2025505 AMAQI
13th Jul 2025526 AMAQI
13th Jul 2025517 AMAQI
13th Jul 2025518 AMAQI
13th Jul 2025369 AMAQI
13th Jul 20251910 AMAQI
13th Jul 20251911 AMAQI
13th Jul 20252112 PMAQI
13th Jul 2025221 PMAQI
13th Jul 2025242 PMAQI
13th Jul 2025263 PMAQI
13th Jul 2025334 PMAQI
13th Jul 2025395 PMAQI
13th Jul 2025486 PMAQI
13th Jul 2025367 PMAQI
13th Jul 2025428 PMAQI
13th Jul 2025469 PMAQI
13th Jul 20254110 PMAQI
13th Jul 20254211 PMAQI
14th Jul 20254312 AMAQI
14th Jul 2025461 AMAQI
14th Jul 2025522 AMAQI
14th Jul 2025523 AMAQI
14th Jul 2025504 AMAQI
27°C25/31°C
14th Jul 2025465 AMAQI
14th Jul 2025466 AMAQI
14th Jul 2025437 AMAQI
14th Jul 2025468 AMAQI
14th Jul 2025259 AMAQI
14th Jul 20251710 AMAQI
14th Jul 20251611 AMAQI
14th Jul 20251712 PMAQI
14th Jul 2025211 PMAQI
14th Jul 2025202 PMAQI
14th Jul 2025203 PMAQI
14th Jul 2025214 PMAQI
14th Jul 2025235 PMAQI
14th Jul 2025246 PMAQI
14th Jul 2025247 PMAQI
14th Jul 2025338 PMAQI
14th Jul 2025459 PMAQI
14th Jul 20254410 PMAQI
14th Jul 20254511 PMAQI
15th Jul 20254612 AMAQI
15th Jul 2025461 AMAQI
15th Jul 2025492 AMAQI
15th Jul 2025463 AMAQI
15th Jul 2025464 AMAQI
25°C22/28°C
15th Jul 2025445 AMAQI
15th Jul 2025446 AMAQI
15th Jul 2025447 AMAQI
15th Jul 2025448 AMAQI
15th Jul 2025449 AMAQI
15th Jul 20254110 AMAQI
15th Jul 20254011 AMAQI
15th Jul 20254012 PMAQI
15th Jul 2025411 PMAQI
15th Jul 2025402 PMAQI
15th Jul 2025403 PMAQI
15th Jul 2025374 PMAQI
15th Jul 2025435 PMAQI
15th Jul 2025436 PMAQI
15th Jul 2025407 PMAQI
15th Jul 2025408 PMAQI
15th Jul 2025439 PMAQI
15th Jul 20254410 PMAQI
15th Jul 20254411 PMAQI
16th Jul 20254212 AMAQI
16th Jul 2025431 AMAQI
16th Jul 2025472 AMAQI
16th Jul 2025463 AMAQI
16th Jul 2025464 AMAQI
25°C22/28°C
16th Jul 2025465 AMAQI
16th Jul 2025456 AMAQI
16th Jul 2025447 AMAQI
16th Jul 2025458 AMAQI
16th Jul 2025399 AMAQI
16th Jul 20253810 AMAQI
16th Jul 20253511 AMAQI
16th Jul 20254212 PMAQI
16th Jul 2025451 PMAQI
16th Jul 2025532 PMAQI
16th Jul 2025583 PMAQI
16th Jul 2025594 PMAQI
16th Jul 2025615 PMAQI
16th Jul 2025666 PMAQI
16th Jul 2025697 PMAQI
16th Jul 2025668 PMAQI
16th Jul 2025569 PMAQI
16th Jul 20255410 PMAQI
16th Jul 20255311 PMAQI
17th Jul 20255212 AMAQI
17th Jul 2025501 AMAQI
17th Jul 2025462 AMAQI
17th Jul 2025473 AMAQI
17th Jul 2025464 AMAQI
26°C22/30°C
17th Jul 2025475 AMAQI
17th Jul 2025486 AMAQI
17th Jul 2025477 AMAQI
17th Jul 2025478 AMAQI
17th Jul 2025519 AMAQI
17th Jul 20255410 AMAQI
17th Jul 20255211 AMAQI
17th Jul 20254912 PMAQI
17th Jul 2025521 PMAQI
17th Jul 2025522 PMAQI
17th Jul 2025533 PMAQI
17th Jul 2025544 PMAQI
17th Jul 2025525 PMAQI
17th Jul 2025516 PMAQI
17th Jul 2025487 PMAQI
17th Jul 2025388 PMAQI
17th Jul 2025499 PMAQI
17th Jul 20254810 PMAQI
17th Jul 20254311 PMAQI
18th Jul 20254012 AMAQI
18th Jul 2025421 AMAQI
18th Jul 2025492 AMAQI
18th Jul 2025483 AMAQI
18th Jul 2025494 AMAQI
27°C23/32°C
18th Jul 2025505 AMAQI
18th Jul 2025506 AMAQI
18th Jul 2025497 AMAQI
18th Jul 2025508 AMAQI
18th Jul 2025259 AMAQI
18th Jul 20251610 AMAQI
18th Jul 20251311 AMAQI
18th Jul 20251612 PMAQI
18th Jul 2025191 PMAQI
18th Jul 2025212 PMAQI
18th Jul 2025223 PMAQI
18th Jul 2025214 PMAQI
18th Jul 2025195 PMAQI
18th Jul 2025156 PMAQI
18th Jul 2025177 PMAQI
18th Jul 2025228 PMAQI
18th Jul 2025349 PMAQI
18th Jul 20253410 PMAQI
18th Jul 20253611 PMAQI
19th Jul 20253712 AMAQI
19th Jul 2025421 AMAQI
19th Jul 2025482 AMAQI
19th Jul 2025483 AMAQI
19th Jul 2025464 AMAQI
24°C23/25°C
19th Jul 2025435 AMAQI
19th Jul 2025426 AMAQI
19th Jul 2025427 AMAQI
19th Jul 2025428 AMAQI
19th Jul 2025249 AMAQI
19th Jul 20251710 AMAQI
19th Jul 20251911 AMAQI
19th Jul 20251812 PMAQI
19th Jul 2025191 PMAQI
19th Jul 2025192 PMAQI
19th Jul 2025223 PMAQI
19th Jul 2025244 PMAQI
19th Jul 2025235 PMAQI
19th Jul 2025256 PMAQI
19th Jul 2025387 PMAQI
19th Jul 2025428 PMAQI
19th Jul 2025409 PMAQI
19th Jul 20253610 PMAQI
19th Jul 20253511 PMAQI
20th Jul 20253612 AMAQI
20th Jul 2025391 AMAQI
20th Jul 2025452 AMAQI
20th Jul 2025443 AMAQI
20th Jul 2025444 AMAQI
26°C23/31°C
20th Jul 2025405 AMAQI
20th Jul 2025406 AMAQI
20th Jul 2025407 AMAQI
20th Jul 2025408 AMAQI
20th Jul 2025309 AMAQI
20th Jul 20252010 AMAQI
20th Jul 20252011 AMAQI
20th Jul 20252012 PMAQI
20th Jul 2025221 PMAQI
20th Jul 2025192 PMAQI
20th Jul 2025173 PMAQI
20th Jul 2025164 PMAQI
20th Jul 2025185 PMAQI
20th Jul 2025216 PMAQI
20th Jul 2025217 PMAQI
20th Jul 2025248 PMAQI
20th Jul 2025309 PMAQI
20th Jul 20253010 PMAQI
20th Jul 20253011 PMAQI
21st Jul 20252912 AMAQI
21st Jul 2025331 AMAQI
21st Jul 2025412 AMAQI
21st Jul 2025413 AMAQI
21st Jul 2025404 AMAQI
27°C23/32°C
21st Jul 2025375 AMAQI
21st Jul 2025376 AMAQI
21st Jul 2025377 AMAQI
21st Jul 2025378 AMAQI
21st Jul 2025209 AMAQI
21st Jul 20251610 AMAQI
21st Jul 20251611 AMAQI
21st Jul 20251912 PMAQI
21st Jul 2025191 PMAQI
21st Jul 2025242 PMAQI
21st Jul 2025303 PMAQI
21st Jul 2025264 PMAQI
21st Jul 2025325 PMAQI
21st Jul 2025386 PMAQI
21st Jul 2025527 PMAQI
21st Jul 2025468 PMAQI
21st Jul 2025389 PMAQI
21st Jul 20254310 PMAQI
21st Jul 20254311 PMAQI
22nd Jul 20254212 AMAQI
22nd Jul 2025411 AMAQI
22nd Jul 2025372 AMAQI
22nd Jul 2025373 AMAQI
22nd Jul 2025364 AMAQI
27°C23/33°C
22nd Jul 2025335 AMAQI
22nd Jul 2025346 AMAQI
22nd Jul 2025347 AMAQI
22nd Jul 2025338 AMAQI
22nd Jul 2025309 AMAQI
22nd Jul 20253510 AMAQI
22nd Jul 20252911 AMAQI
22nd Jul 20254212 PMAQI
22nd Jul 2025441 PMAQI
22nd Jul 2025492 PMAQI
22nd Jul 2025543 PMAQI
22nd Jul 2025504 PMAQI
22nd Jul 2025495 PMAQI
22nd Jul 2025576 PMAQI
22nd Jul 2025607 PMAQI
22nd Jul 2025588 PMAQI
22nd Jul 2025549 PMAQI
22nd Jul 20254910 PMAQI
22nd Jul 20254911 PMAQI
23rd Jul 20255012 AMAQI
23rd Jul 2025421 AMAQI
23rd Jul 2025382 AMAQI
23rd Jul 2025373 AMAQI
23rd Jul 2025384 AMAQI
28°C24/33°C
23rd Jul 2025385 AMAQI
23rd Jul 2025386 AMAQI
23rd Jul 2025387 AMAQI
23rd Jul 2025388 AMAQI
23rd Jul 2025489 AMAQI
23rd Jul 20255010 AMAQI
23rd Jul 20255011 AMAQI
23rd Jul 20255112 PMAQI
23rd Jul 2025541 PMAQI
23rd Jul 2025572 PMAQI
23rd Jul 2025593 PMAQI
23rd Jul 2025534 PMAQI
23rd Jul 2025415 PMAQI
23rd Jul 2025476 PMAQI
23rd Jul 2025567 PMAQI
23rd Jul 2025588 PMAQI
23rd Jul 2025549 PMAQI
23rd Jul 20255610 PMAQI
23rd Jul 20255411 PMAQI
24th Jul 20255212 AMAQI
24th Jul 2025491 AMAQI
24th Jul 2025412 AMAQI
24th Jul 2025403 AMAQI
24th Jul 2025424 AMAQI
29°C24/34°C
24th Jul 2025445 AMAQI
24th Jul 2025436 AMAQI
24th Jul 2025447 AMAQI
24th Jul 2025448 AMAQI
24th Jul 2025389 AMAQI
24th Jul 20252810 AMAQI
24th Jul 20252611 AMAQI
24th Jul 20252412 PMAQI
24th Jul 2025211 PMAQI
24th Jul 2025242 PMAQI
24th Jul 2025243 PMAQI
24th Jul 2025214 PMAQI
24th Jul 2025265 PMAQI
24th Jul 2025256 PMAQI
24th Jul 2025247 PMAQI
24th Jul 2025298 PMAQI
24th Jul 2025369 PMAQI
24th Jul 20253610 PMAQI
24th Jul 20253811 PMAQI
25th Jul 20253712 AMAQI
25th Jul 2025371 AMAQI
25th Jul 2025382 AMAQI
25th Jul 2025443 AMAQI
25th Jul 2025444 AMAQI
29°C24/34°C
25th Jul 2025405 AMAQI
25th Jul 2025416 AMAQI
25th Jul 2025417 AMAQI
25th Jul 2025418 AMAQI
25th Jul 2025209 AMAQI
25th Jul 20251410 AMAQI
25th Jul 20251511 AMAQI
25th Jul 20252012 PMAQI
25th Jul 2025221 PMAQI
25th Jul 2025162 PMAQI
25th Jul 2025163 PMAQI
25th Jul 2025174 PMAQI
25th Jul 2025175 PMAQI
25th Jul 2025156 PMAQI
25th Jul 2025167 PMAQI
25th Jul 2025188 PMAQI
25th Jul 2025279 PMAQI
25th Jul 20252610 PMAQI
25th Jul 20252411 PMAQI
26th Jul 20252512 AMAQI
26th Jul 2025311 AMAQI
26th Jul 2025402 AMAQI
26th Jul 2025413 AMAQI
26th Jul 2025384 AMAQI
28°C24/34°C
26th Jul 2025355 AMAQI
26th Jul 2025356 AMAQI
26th Jul 2025357 AMAQI
26th Jul 2025368 AMAQI
26th Jul 2025189 AMAQI
26th Jul 20251310 AMAQI
26th Jul 20251511 AMAQI
26th Jul 20251512 PMAQI
26th Jul 2025161 PMAQI
26th Jul 2025162 PMAQI
26th Jul 2025163 PMAQI
26th Jul 2025154 PMAQI
26th Jul 2025165 PMAQI
26th Jul 2025146 PMAQI
26th Jul 2025167 PMAQI
26th Jul 2025178 PMAQI
26th Jul 2025239 PMAQI
26th Jul 20252410 PMAQI
26th Jul 20252311 PMAQI
27th Jul 20252312 AMAQI
27th Jul 2025261 AMAQI
27th Jul 2025332 AMAQI
27th Jul 2025343 AMAQI
27th Jul 2025344 AMAQI
28°C25/33°C
27th Jul 2025315 AMAQI
27th Jul 2025316 AMAQI
27th Jul 2025317 AMAQI
27th Jul 2025318 AMAQI
27th Jul 2025229 AMAQI
27th Jul 20251410 AMAQI
27th Jul 20251411 AMAQI
27th Jul 20251412 PMAQI
27th Jul 2025141 PMAQI
27th Jul 2025122 PMAQI
27th Jul 2025153 PMAQI
27th Jul 2025164 PMAQI
27th Jul 2025185 PMAQI
27th Jul 2025186 PMAQI
27th Jul 2025147 PMAQI
27th Jul 2025168 PMAQI
27th Jul 2025229 PMAQI
27th Jul 20252210 PMAQI
27th Jul 20252211 PMAQI
28th Jul 20252212 AMAQI
28th Jul 2025231 AMAQI
28th Jul 2025302 AMAQI
28th Jul 2025303 AMAQI
28th Jul 2025294 AMAQI
28°C25/33°C
28th Jul 2025275 AMAQI
28th Jul 2025276 AMAQI
28th Jul 2025277 AMAQI
28th Jul 2025278 AMAQI
28th Jul 2025189 AMAQI
28th Jul 20251610 AMAQI
28th Jul 20251611 AMAQI
28th Jul 20251712 PMAQI
28th Jul 2025181 PMAQI
28th Jul 2025182 PMAQI
28th Jul 2025193 PMAQI
28th Jul 2025204 PMAQI
28th Jul 2025215 PMAQI
28th Jul 2025206 PMAQI
28th Jul 2025227 PMAQI
28th Jul 2025218 PMAQI
28th Jul 2025229 PMAQI
28th Jul 20252210 PMAQI
28th Jul 20252111 PMAQI
29th Jul 20252012 AMAQI
29th Jul 2025221 AMAQI
29th Jul 2025272 AMAQI
29th Jul 2025273 AMAQI
29th Jul 2025264 AMAQI
29°C24/35°C
29th Jul 2025255 AMAQI
29th Jul 2025256 AMAQI
29th Jul 2025257 AMAQI
29th Jul 2025268 AMAQI
29th Jul 2025189 AMAQI
29th Jul 20251910 AMAQI
29th Jul 20251811 AMAQI
29th Jul 20251812 PMAQI
29th Jul 2025191 PMAQI
29th Jul 2025222 PMAQI
29th Jul 2025203 PMAQI
29th Jul 2025224 PMAQI
29th Jul 2025225 PMAQI
29th Jul 2025246 PMAQI
29th Jul 2025247 PMAQI
29th Jul 2025318 PMAQI
29th Jul 2025329 PMAQI
29th Jul 20252810 PMAQI
29th Jul 20252811 PMAQI
30th Jul 20252812 AMAQI
30th Jul 2025261 AMAQI
30th Jul 2025262 AMAQI
30th Jul 2025263 AMAQI
30th Jul 2025264 AMAQI
29°C24/35°C
30th Jul 2025245 AMAQI
30th Jul 2025246 AMAQI
30th Jul 2025237 AMAQI
30th Jul 2025248 AMAQI
30th Jul 2025249 AMAQI
30th Jul 20252910 AMAQI
30th Jul 20253511 AMAQI
30th Jul 20253012 PMAQI
30th Jul 2025251 PMAQI
30th Jul 2025302 PMAQI
30th Jul 2025303 PMAQI
30th Jul 2025294 PMAQI
30th Jul 2025305 PMAQI
30th Jul 2025296 PMAQI
30th Jul 2025307 PMAQI
30th Jul 2025368 PMAQI
30th Jul 2025379 PMAQI
30th Jul 20253810 PMAQI
30th Jul 20254011 PMAQI
31st Jul 20253612 AMAQI
31st Jul 2025341 AMAQI
31st Jul 2025262 AMAQI
31st Jul 2025263 AMAQI
31st Jul 2025244 AMAQI
28°C24/34°C
31st Jul 2025245 AMAQI
31st Jul 2025246 AMAQI
31st Jul 2025247 AMAQI
31st Jul 2025248 AMAQI
31st Jul 2025249 AMAQI
31st Jul 20252410 AMAQI
31st Jul 20252311 AMAQI
31st Jul 20252212 PMAQI
31st Jul 2025221 PMAQI
31st Jul 2025212 PMAQI
31st Jul 2025203 PMAQI
31st Jul 2025254 PMAQI
31st Jul 2025325 PMAQI
31st Jul 2025326 PMAQI
31st Jul 2025387 PMAQI
31st Jul 2025418 PMAQI
31st Jul 2025429 PMAQI
31st Jul 20254310 PMAQI
31st Jul 20254711 PMAQI
1st Aug 20253512 AMAQI
1st Aug 2025341 AMAQI
1st Aug 2025362 AMAQI
1st Aug 2025313 AMAQI
1st Aug 2025334 AMAQI
29°C24/35°C
1st Aug 2025315 AMAQI
1st Aug 2025346 AMAQI
1st Aug 2025347 AMAQI
1st Aug 2025348 AMAQI
1st Aug 2025539 AMAQI
1st Aug 20255710 AMAQI
1st Aug 20255911 AMAQI
1st Aug 20255712 PMAQI
1st Aug 2025581 PMAQI
1st Aug 2025572 PMAQI
1st Aug 2025583 PMAQI
1st Aug 2025564 PMAQI
1st Aug 2025555 PMAQI
1st Aug 2025556 PMAQI
1st Aug 2025547 PMAQI
1st Aug 2025508 PMAQI
1st Aug 2025469 PMAQI
1st Aug 20254410 PMAQI
1st Aug 20254511 PMAQI
2nd Aug 20254012 AMAQI
2nd Aug 2025381 AMAQI
2nd Aug 2025432 AMAQI
2nd Aug 2025383 AMAQI
2nd Aug 2025424 AMAQI
29°C25/34°C
2nd Aug 2025505 AMAQI
2nd Aug 2025456 AMAQI
2nd Aug 2025437 AMAQI
2nd Aug 2025478 AMAQI
2nd Aug 2025519 AMAQI
2nd Aug 20255010 AMAQI
2nd Aug 20255411 AMAQI
2nd Aug 20256112 PMAQI
2nd Aug 2025581 PMAQI
2nd Aug 2025592 PMAQI
2nd Aug 2025603 PMAQI
2nd Aug 2025554 PMAQI
2nd Aug 2025565 PMAQI
2nd Aug 2025566 PMAQI
2nd Aug 2025567 PMAQI
2nd Aug 2025528 PMAQI
2nd Aug 2025489 PMAQI
2nd Aug 20254810 PMAQI
2nd Aug 20254511 PMAQI
3rd Aug 20254412 AMAQI
3rd Aug 2025461 AMAQI
3rd Aug 2025442 AMAQI
3rd Aug 2025463 AMAQI
--°C/°C
5 AM
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 AM
44AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
10 AM - 11 AM
32AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 44), while the lowest AQI was between 10 AM to 11 AM (Avg. 32).
Night time
Avg. Highest Time
12 AM - 4 AM
44AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
8 PM
40AQI
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. 44), while the lowest AQI was between 8 PM to 8 PM (Avg. 40).
2025 Days Vs Air Quality
Isahaya, Nagasaki, Japan
2025
81%
173
19%
40
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Good
173 DaysModerate
40 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 81%
Health Risk Level:
Low
In 2025, 81% of 214 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
Isahaya, Nagasaki, 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
31AQI
31AQI
2nd January 2025
40AQI
40AQI
3rd January 2025
35AQI
35AQI
4th January 2025
33AQI
33AQI
5th January 2025
32AQI
32AQI
6th January 2025
51AQI
51AQI
7th January 2025
30AQI
30AQI
8th January 2025
38AQI
38AQI
9th January 2025
29AQI
29AQI
10th January 2025
31AQI
31AQI
11th January 2025
28AQI
28AQI
12th January 2025
33AQI
33AQI
13th January 2025
40AQI
40AQI
14th January 2025
44AQI
44AQI
15th January 2025
42AQI
42AQI
16th January 2025
37AQI
37AQI
17th January 2025
48AQI
48AQI
18th January 2025
49AQI
49AQI
19th January 2025
51AQI
51AQI
20th January 2025
54AQI
54AQI
21st January 2025
79AQI
79AQI
22nd January 2025
75AQI
75AQI
23rd January 2025
70AQI
70AQI
24th January 2025
74AQI
74AQI
25th January 2025
46AQI
46AQI
26th January 2025
45AQI
45AQI
27th January 2025
39AQI
39AQI
28th January 2025
36AQI
36AQI
29th January 2025
33AQI
33AQI
30th January 2025
34AQI
34AQI
31st January 2025
43AQI
43AQI
1st February 2025
40AQI
40AQI
2nd February 2025
34AQI
34AQI
3rd February 2025
50AQI
50AQI
4th February 2025
38AQI
38AQI
5th February 2025
39AQI
39AQI
6th February 2025
31AQI
31AQI
7th February 2025
35AQI
35AQI
8th February 2025
31AQI
31AQI
9th February 2025
30AQI
30AQI
10th February 2025
31AQI
31AQI
11th February 2025
39AQI
39AQI
12th February 2025
38AQI
38AQI
13th February 2025
33AQI
33AQI
14th February 2025
35AQI
35AQI
15th February 2025
31AQI
31AQI
16th February 2025
36AQI
36AQI
17th February 2025
39AQI
39AQI
18th February 2025
34AQI
34AQI
19th February 2025
34AQI
34AQI
20th February 2025
34AQI
34AQI
21st February 2025
34AQI
34AQI
22nd February 2025
39AQI
39AQI
23rd February 2025
36AQI
36AQI
24th February 2025
37AQI
37AQI
25th February 2025
36AQI
36AQI
26th February 2025
43AQI
43AQI
27th February 2025
60AQI
60AQI
28th February 2025
59AQI
59AQI
1st March 2025
52AQI
52AQI
2nd March 2025
41AQI
41AQI
3rd March 2025
41AQI
41AQI
4th March 2025
29AQI
29AQI
5th March 2025
30AQI
30AQI
6th March 2025
30AQI
30AQI
7th March 2025
33AQI
33AQI
8th March 2025
39AQI
39AQI
9th March 2025
43AQI
43AQI
10th March 2025
46AQI
46AQI
11th March 2025
43AQI
43AQI
12th March 2025
49AQI
49AQI
13th March 2025
52AQI
52AQI
14th March 2025
34AQI
34AQI
15th March 2025
31AQI
31AQI
16th March 2025
28AQI
28AQI
17th March 2025
47AQI
47AQI
18th March 2025
44AQI
44AQI
19th March 2025
45AQI
45AQI
20th March 2025
52AQI
52AQI
21st March 2025
55AQI
55AQI
22nd March 2025
62AQI
62AQI
23rd March 2025
59AQI
59AQI
24th March 2025
49AQI
49AQI
25th March 2025
58AQI
58AQI
26th March 2025
58AQI
58AQI
27th March 2025
46AQI
46AQI
28th March 2025
58AQI
58AQI
29th March 2025
53AQI
53AQI
30th March 2025
43AQI
43AQI
31st March 2025
44AQI
44AQI
1st April 2025
44AQI
44AQI
2nd April 2025
34AQI
34AQI
3rd April 2025
36AQI
36AQI
4th April 2025
34AQI
34AQI
5th April 2025
41AQI
41AQI
6th April 2025
41AQI
41AQI
7th April 2025
39AQI
39AQI
8th April 2025
35AQI
35AQI
9th April 2025
53AQI
53AQI
10th April 2025
40AQI
40AQI
11th April 2025
59AQI
59AQI
12th April 2025
50AQI
50AQI
13th April 2025
47AQI
47AQI
14th April 2025
56AQI
56AQI
15th April 2025
35AQI
35AQI
16th April 2025
50AQI
50AQI
17th April 2025
44AQI
44AQI
18th April 2025
51AQI
51AQI
19th April 2025
48AQI
48AQI
20th April 2025
38AQI
38AQI
21st April 2025
41AQI
41AQI
22nd April 2025
31AQI
31AQI
23rd April 2025
26AQI
26AQI
24th April 2025
33AQI
33AQI
25th April 2025
46AQI
46AQI
26th April 2025
46AQI
46AQI
27th April 2025
48AQI
48AQI
28th April 2025
41AQI
41AQI
29th April 2025
51AQI
51AQI
30th April 2025
50AQI
50AQI
1st May 2025
42AQI
42AQI
2nd May 2025
41AQI
41AQI
3rd May 2025
42AQI
42AQI
4th May 2025
39AQI
39AQI
5th May 2025
42AQI
42AQI
6th May 2025
38AQI
38AQI
7th May 2025
36AQI
36AQI
8th May 2025
47AQI
47AQI
9th May 2025
35AQI
35AQI
10th May 2025
38AQI
38AQI
11th May 2025
49AQI
49AQI
12th May 2025
53AQI
53AQI
13th May 2025
56AQI
56AQI
14th May 2025
58AQI
58AQI
15th May 2025
56AQI
56AQI
16th May 2025
62AQI
62AQI
17th May 2025
39AQI
39AQI
18th May 2025
49AQI
49AQI
19th May 2025
50AQI
50AQI
20th May 2025
38AQI
38AQI
21st May 2025
29AQI
29AQI
22nd May 2025
33AQI
33AQI
23rd May 2025
42AQI
42AQI
24th May 2025
27AQI
27AQI
25th May 2025
33AQI
33AQI
26th May 2025
37AQI
37AQI
27th May 2025
45AQI
45AQI
28th May 2025
49AQI
49AQI
29th May 2025
51AQI
51AQI
30th May 2025
44AQI
44AQI
31st May 2025
43AQI
43AQI
1st June 2025
49AQI
49AQI
2nd June 2025
49AQI
49AQI
3rd June 2025
36AQI
36AQI
4th June 2025
43AQI
43AQI
5th June 2025
45AQI
45AQI
6th June 2025
44AQI
44AQI
7th June 2025
55AQI
55AQI
8th June 2025
63AQI
63AQI
9th June 2025
32AQI
32AQI
10th June 2025
30AQI
30AQI
11th June 2025
39AQI
39AQI
12th June 2025
36AQI
36AQI
13th June 2025
37AQI
37AQI
14th June 2025
27AQI
27AQI
15th June 2025
26AQI
26AQI
16th June 2025
29AQI
29AQI
17th June 2025
27AQI
27AQI
18th June 2025
30AQI
30AQI
19th June 2025
33AQI
33AQI
20th June 2025
27AQI
27AQI
21st June 2025
23AQI
23AQI
22nd June 2025
16AQI
16AQI
23rd June 2025
16AQI
16AQI
24th June 2025
21AQI
21AQI
25th June 2025
22AQI
22AQI
26th June 2025
26AQI
26AQI
27th June 2025
26AQI
26AQI
28th June 2025
25AQI
25AQI
29th June 2025
24AQI
24AQI
30th June 2025
44AQI
44AQI
1st July 2025
63AQI
63AQI
2nd July 2025
71AQI
71AQI
3rd July 2025
64AQI
64AQI
4th July 2025
72AQI
72AQI
5th July 2025
54AQI
54AQI
6th July 2025
46AQI
46AQI
7th July 2025
42AQI
42AQI
8th July 2025
55AQI
55AQI
9th July 2025
60AQI
60AQI
10th July 2025
50AQI
50AQI
11th July 2025
40AQI
40AQI
12th July 2025
39AQI
39AQI
13th July 2025
40AQI
40AQI
14th July 2025
35AQI
35AQI
15th July 2025
43AQI
43AQI
16th July 2025
51AQI
51AQI
17th July 2025
49AQI
49AQI
18th July 2025
32AQI
32AQI
19th July 2025
34AQI
34AQI
20th July 2025
30AQI
30AQI
21st July 2025
34AQI
34AQI
22nd July 2025
44AQI
44AQI
23rd July 2025
48AQI
48AQI
24th July 2025
35AQI
35AQI
25th July 2025
27AQI
27AQI
26th July 2025
24AQI
24AQI
27th July 2025
22AQI
22AQI
28th July 2025
23AQI
23AQI
29th July 2025
24AQI
24AQI
30th July 2025
29AQI
29AQI
31st July 2025
30AQI
30AQI
1st August 2025
44AQI
44AQI
44AQI
38AQI
45AQI
43AQI
43AQI
33AQI
42AQI
44AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202541AQI
24
7
26
2
21
10
25
5
25
6
28
2
23
8
1
173
40
Highest AQI recorded in
March45AQI
Lowest AQI recorded in
June33AQI
202438AQI
29
2
23
6
29
2
19
10
1
20
11
24
6
31
25
6
22
8
29
2
24
6
31
306
59
1
Highest AQI recorded in
April50AQI
Lowest AQI recorded in
July20AQI
202340AQI
21
9
1
20
8
19
12
17
13
24
7
24
6
27
4
28
3
26
4
30
1
21
6
27
4
284
77
1
Highest AQI recorded in
March47AQI
Lowest AQI recorded in
August30AQI
202241AQI
23
7
1
18
3
22
9
15
3
18
13
23
7
18
3
1
25
3
25
6
21
9
30
1
238
65
1
Highest AQI recorded in
August54AQI
Lowest AQI recorded in
September34AQI
202143AQI
21
10
21
7
16
15
15
7
19
12
14
16
28
3
31
26
4
18
13
16
14
24
7
249
108
Highest AQI recorded in
May50AQI
Lowest AQI recorded in
August28AQI
202045AQI
8
5
8
13
7
11
19
11
30
1
12
8
1
1
10
5
22
9
117
63
1
Highest AQI recorded in
May54AQI
Lowest AQI recorded in
September0AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
45AQILeast Polluted Year Recorded
2024(Avg.)
38AQIIsahaya's annual 2025 AQI (41) shows an average percentage change of 0.3% (worsened AQI) compared to previous years: 2020 (45), 2021 (43), 2022 (41), 2023 (40), 2024 (38).
