Saikaicho Kobago, 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
Saikaicho Kobago, Nagasaki, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
14th Aug 2024
65AQILowest AQI recorded on
6th Aug 2023
13AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 50 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Saikaicho Kobago, Nagasaki, Japan
AQI
Day
Night
.
5 AM3rd Aug 2025
7 PM
4 AM4th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
1PM3rd Aug
59AQI
Avg. Lowest Time
3PM3rd Aug
48AQI
In the last 24 hours,
Saikaicho Kobago's AQI reached its highest point of 59 at 1 PM during the Night, while the lowest point, 48, was recorded at 3 PM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Saikaicho Kobago, Nagasaki, 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 2025595 AMAQI
5th Jul 2025596 AMAQI
5th Jul 2025587 AMAQI
5th Jul 2025598 AMAQI
5th Jul 2025529 AMAQI
5th Jul 20253810 AMAQI
5th Jul 20253511 AMAQI
5th Jul 20253612 PMAQI
5th Jul 2025401 PMAQI
5th Jul 2025362 PMAQI
5th Jul 2025383 PMAQI
5th Jul 2025424 PMAQI
5th Jul 2025405 PMAQI
5th Jul 2025356 PMAQI
5th Jul 2025327 PMAQI
5th Jul 2025378 PMAQI
5th Jul 2025529 PMAQI
5th Jul 20255210 PMAQI
5th Jul 20255211 PMAQI
6th Jul 20255212 AMAQI
6th Jul 2025531 AMAQI
6th Jul 2025592 AMAQI
6th Jul 2025593 AMAQI
6th Jul 2025594 AMAQI
27°C25/29°C
6th Jul 2025575 AMAQI
6th Jul 2025576 AMAQI
6th Jul 2025577 AMAQI
6th Jul 2025568 AMAQI
6th Jul 2025469 AMAQI
6th Jul 20253010 AMAQI
6th Jul 20252411 AMAQI
6th Jul 20252712 PMAQI
6th Jul 2025301 PMAQI
6th Jul 2025322 PMAQI
6th Jul 2025363 PMAQI
6th Jul 2025324 PMAQI
6th Jul 2025365 PMAQI
6th Jul 2025346 PMAQI
6th Jul 2025307 PMAQI
6th Jul 2025368 PMAQI
6th Jul 2025509 PMAQI
6th Jul 20255210 PMAQI
6th Jul 20255211 PMAQI
7th Jul 20255012 AMAQI
7th Jul 2025531 AMAQI
7th Jul 2025552 AMAQI
7th Jul 2025573 AMAQI
7th Jul 2025564 AMAQI
27°C25/30°C
7th Jul 2025545 AMAQI
7th Jul 2025546 AMAQI
7th Jul 2025547 AMAQI
7th Jul 2025548 AMAQI
7th Jul 2025289 AMAQI
7th Jul 20252410 AMAQI
7th Jul 20252611 AMAQI
7th Jul 20252212 PMAQI
7th Jul 2025311 PMAQI
7th Jul 2025332 PMAQI
7th Jul 2025303 PMAQI
7th Jul 2025264 PMAQI
7th Jul 2025315 PMAQI
7th Jul 2025306 PMAQI
7th Jul 2025257 PMAQI
7th Jul 2025368 PMAQI
7th Jul 2025479 PMAQI
7th Jul 20254410 PMAQI
7th Jul 20254511 PMAQI
8th Jul 20254512 AMAQI
8th Jul 2025501 AMAQI
8th Jul 2025552 AMAQI
8th Jul 2025543 AMAQI
8th Jul 2025544 AMAQI
27°C25/30°C
8th Jul 2025535 AMAQI
8th Jul 2025536 AMAQI
8th Jul 2025537 AMAQI
8th Jul 2025528 AMAQI
8th Jul 2025349 AMAQI
8th Jul 20253410 AMAQI
8th Jul 20253711 AMAQI
8th Jul 20254412 PMAQI
8th Jul 2025521 PMAQI
8th Jul 2025522 PMAQI
8th Jul 2025553 PMAQI
8th Jul 2025614 PMAQI
8th Jul 2025625 PMAQI
8th Jul 2025636 PMAQI
8th Jul 2025667 PMAQI
8th Jul 2025618 PMAQI
8th Jul 2025559 PMAQI
8th Jul 20255510 PMAQI
8th Jul 20255411 PMAQI
9th Jul 20255312 AMAQI
9th Jul 2025531 AMAQI
9th Jul 2025542 AMAQI
9th Jul 2025533 AMAQI
9th Jul 2025534 AMAQI
28°C26/31°C
9th Jul 2025525 AMAQI
9th Jul 2025526 AMAQI
9th Jul 2025527 AMAQI
9th Jul 2025538 AMAQI
9th Jul 2025539 AMAQI
9th Jul 20255310 AMAQI
9th Jul 20255611 AMAQI
9th Jul 20255812 PMAQI
9th Jul 2025651 PMAQI
9th Jul 2025682 PMAQI
9th Jul 2025673 PMAQI
9th Jul 2025704 PMAQI
9th Jul 2025735 PMAQI
9th Jul 2025746 PMAQI
9th Jul 2025747 PMAQI
9th Jul 2025648 PMAQI
9th Jul 2025559 PMAQI
9th Jul 20255410 PMAQI
9th Jul 20255411 PMAQI
10th Jul 20255412 AMAQI
10th Jul 2025541 AMAQI
10th Jul 2025542 AMAQI
10th Jul 2025533 AMAQI
10th Jul 2025544 AMAQI
28°C26/32°C
10th Jul 2025545 AMAQI
10th Jul 2025546 AMAQI
10th Jul 2025547 AMAQI
10th Jul 2025548 AMAQI
10th Jul 2025569 AMAQI
10th Jul 20255510 AMAQI
10th Jul 20254811 AMAQI
10th Jul 20254612 PMAQI
10th Jul 2025471 PMAQI
10th Jul 2025512 PMAQI
10th Jul 2025563 PMAQI
10th Jul 2025604 PMAQI
10th Jul 2025685 PMAQI
10th Jul 2025736 PMAQI
10th Jul 2025637 PMAQI
10th Jul 2025548 PMAQI
10th Jul 2025519 PMAQI
10th Jul 20255210 PMAQI
10th Jul 20255411 PMAQI
11th Jul 20255412 AMAQI
11th Jul 2025541 AMAQI
11th Jul 2025552 AMAQI
11th Jul 2025553 AMAQI
11th Jul 2025554 AMAQI
28°C25/32°C
11th Jul 2025545 AMAQI
11th Jul 2025556 AMAQI
11th Jul 2025557 AMAQI
11th Jul 2025548 AMAQI
11th Jul 2025489 AMAQI
11th Jul 20254810 AMAQI
11th Jul 20254311 AMAQI
11th Jul 20254712 PMAQI
11th Jul 2025521 PMAQI
11th Jul 2025522 PMAQI
11th Jul 2025533 PMAQI
11th Jul 2025544 PMAQI
11th Jul 2025565 PMAQI
11th Jul 2025586 PMAQI
11th Jul 2025577 PMAQI
11th Jul 2025548 PMAQI
11th Jul 2025559 PMAQI
11th Jul 20255010 PMAQI
11th Jul 20254911 PMAQI
12th Jul 20255112 AMAQI
12th Jul 2025541 AMAQI
12th Jul 2025552 AMAQI
12th Jul 2025553 AMAQI
12th Jul 2025544 AMAQI
28°C26/31°C
12th Jul 2025545 AMAQI
12th Jul 2025546 AMAQI
12th Jul 2025547 AMAQI
12th Jul 2025548 AMAQI
12th Jul 2025389 AMAQI
12th Jul 20252910 AMAQI
12th Jul 20253011 AMAQI
12th Jul 20253312 PMAQI
12th Jul 2025381 PMAQI
12th Jul 2025412 PMAQI
12th Jul 2025403 PMAQI
12th Jul 2025464 PMAQI
12th Jul 2025545 PMAQI
12th Jul 2025436 PMAQI
12th Jul 2025367 PMAQI
12th Jul 2025408 PMAQI
12th Jul 2025419 PMAQI
12th Jul 20254110 PMAQI
12th Jul 20254111 PMAQI
13th Jul 20254012 AMAQI
13th Jul 2025481 AMAQI
13th Jul 2025542 AMAQI
13th Jul 2025543 AMAQI
13th Jul 2025544 AMAQI
28°C25/31°C
13th Jul 2025525 AMAQI
13th Jul 2025536 AMAQI
13th Jul 2025537 AMAQI
13th Jul 2025528 AMAQI
13th Jul 2025379 AMAQI
13th Jul 20251810 AMAQI
13th Jul 20251911 AMAQI
13th Jul 20252212 PMAQI
13th Jul 2025301 PMAQI
13th Jul 2025342 PMAQI
13th Jul 2025363 PMAQI
13th Jul 2025384 PMAQI
13th Jul 2025395 PMAQI
13th Jul 2025376 PMAQI
13th Jul 2025357 PMAQI
13th Jul 2025398 PMAQI
13th Jul 2025449 PMAQI
13th Jul 20254610 PMAQI
13th Jul 20254311 PMAQI
14th Jul 20254212 AMAQI
14th Jul 2025471 AMAQI
14th Jul 2025532 AMAQI
14th Jul 2025533 AMAQI
14th Jul 2025524 AMAQI
27°C26/30°C
14th Jul 2025505 AMAQI
14th Jul 2025506 AMAQI
14th Jul 2025507 AMAQI
14th Jul 2025508 AMAQI
14th Jul 2025269 AMAQI
14th Jul 20251710 AMAQI
14th Jul 20251611 AMAQI
14th Jul 20251712 PMAQI
14th Jul 2025231 PMAQI
14th Jul 2025242 PMAQI
14th Jul 2025203 PMAQI
14th Jul 2025284 PMAQI
14th Jul 2025365 PMAQI
14th Jul 2025376 PMAQI
14th Jul 2025417 PMAQI
14th Jul 2025458 PMAQI
14th Jul 2025489 PMAQI
14th Jul 20254710 PMAQI
14th Jul 20254811 PMAQI
15th Jul 20254912 AMAQI
15th Jul 2025501 AMAQI
15th Jul 2025512 AMAQI
15th Jul 2025513 AMAQI
15th Jul 2025494 AMAQI
26°C24/27°C
15th Jul 2025455 AMAQI
15th Jul 2025466 AMAQI
15th Jul 2025467 AMAQI
15th Jul 2025458 AMAQI
15th Jul 2025389 AMAQI
15th Jul 20254310 AMAQI
15th Jul 20254511 AMAQI
15th Jul 20254712 PMAQI
15th Jul 2025461 PMAQI
15th Jul 2025422 PMAQI
15th Jul 2025433 PMAQI
15th Jul 2025494 PMAQI
15th Jul 2025485 PMAQI
15th Jul 2025426 PMAQI
15th Jul 2025397 PMAQI
15th Jul 2025438 PMAQI
15th Jul 2025469 PMAQI
15th Jul 20254510 PMAQI
15th Jul 20254711 PMAQI
16th Jul 20254712 AMAQI
16th Jul 2025461 AMAQI
16th Jul 2025502 AMAQI
16th Jul 2025493 AMAQI
16th Jul 2025484 AMAQI
25°C24/27°C
16th Jul 2025485 AMAQI
16th Jul 2025476 AMAQI
16th Jul 2025477 AMAQI
16th Jul 2025488 AMAQI
16th Jul 2025429 AMAQI
16th Jul 20254110 AMAQI
16th Jul 20253911 AMAQI
16th Jul 20254112 PMAQI
16th Jul 2025531 PMAQI
16th Jul 2025582 PMAQI
16th Jul 2025563 PMAQI
16th Jul 2025584 PMAQI
16th Jul 2025575 PMAQI
16th Jul 2025586 PMAQI
16th Jul 2025597 PMAQI
16th Jul 2025568 PMAQI
16th Jul 2025529 PMAQI
16th Jul 20255210 PMAQI
16th Jul 20255111 PMAQI
17th Jul 20254612 AMAQI
17th Jul 2025481 AMAQI
17th Jul 2025492 AMAQI
17th Jul 2025483 AMAQI
17th Jul 2025484 AMAQI
26°C24/28°C
17th Jul 2025495 AMAQI
17th Jul 2025506 AMAQI
17th Jul 2025497 AMAQI
17th Jul 2025508 AMAQI
17th Jul 2025489 AMAQI
17th Jul 20254910 AMAQI
17th Jul 20255311 AMAQI
17th Jul 20254812 PMAQI
17th Jul 2025421 PMAQI
17th Jul 2025422 PMAQI
17th Jul 2025443 PMAQI
17th Jul 2025384 PMAQI
17th Jul 2025365 PMAQI
17th Jul 2025366 PMAQI
17th Jul 2025427 PMAQI
17th Jul 2025408 PMAQI
17th Jul 2025399 PMAQI
17th Jul 20254010 PMAQI
17th Jul 20254011 PMAQI
18th Jul 20253612 AMAQI
18th Jul 2025441 AMAQI
18th Jul 2025502 AMAQI
18th Jul 2025503 AMAQI
18th Jul 2025494 AMAQI
27°C25/29°C
18th Jul 2025505 AMAQI
18th Jul 2025506 AMAQI
18th Jul 2025497 AMAQI
18th Jul 2025508 AMAQI
18th Jul 2025239 AMAQI
18th Jul 20251410 AMAQI
18th Jul 20251411 AMAQI
18th Jul 20251712 PMAQI
18th Jul 2025191 PMAQI
18th Jul 2025182 PMAQI
18th Jul 2025253 PMAQI
18th Jul 2025354 PMAQI
18th Jul 2025345 PMAQI
18th Jul 2025286 PMAQI
18th Jul 2025227 PMAQI
18th Jul 2025258 PMAQI
18th Jul 2025349 PMAQI
18th Jul 20253410 PMAQI
18th Jul 20253411 PMAQI
19th Jul 20253612 AMAQI
19th Jul 2025441 AMAQI
19th Jul 2025482 AMAQI
19th Jul 2025473 AMAQI
19th Jul 2025464 AMAQI
25°C24/25°C
19th Jul 2025435 AMAQI
19th Jul 2025426 AMAQI
19th Jul 2025427 AMAQI
19th Jul 2025428 AMAQI
19th Jul 2025349 AMAQI
19th Jul 20253210 AMAQI
19th Jul 20253811 AMAQI
19th Jul 20254212 PMAQI
19th Jul 2025461 PMAQI
19th Jul 2025282 PMAQI
19th Jul 2025383 PMAQI
19th Jul 2025394 PMAQI
19th Jul 2025305 PMAQI
19th Jul 2025336 PMAQI
19th Jul 2025347 PMAQI
19th Jul 2025338 PMAQI
19th Jul 2025389 PMAQI
19th Jul 20253810 PMAQI
19th Jul 20254011 PMAQI
20th Jul 20254412 AMAQI
20th Jul 2025471 AMAQI
20th Jul 2025442 AMAQI
20th Jul 2025443 AMAQI
20th Jul 2025434 AMAQI
27°C25/29°C
20th Jul 2025425 AMAQI
20th Jul 2025426 AMAQI
20th Jul 2025427 AMAQI
20th Jul 2025428 AMAQI
20th Jul 2025379 AMAQI
20th Jul 20252210 AMAQI
20th Jul 20252211 AMAQI
20th Jul 20252112 PMAQI
20th Jul 2025231 PMAQI
20th Jul 2025202 PMAQI
20th Jul 2025203 PMAQI
20th Jul 2025254 PMAQI
20th Jul 2025225 PMAQI
20th Jul 2025166 PMAQI
20th Jul 2025227 PMAQI
20th Jul 2025368 PMAQI
20th Jul 2025349 PMAQI
20th Jul 20253410 PMAQI
20th Jul 20253811 PMAQI
21st Jul 20254212 AMAQI
21st Jul 2025401 AMAQI
21st Jul 2025422 AMAQI
21st Jul 2025423 AMAQI
21st Jul 2025424 AMAQI
27°C25/30°C
21st Jul 2025405 AMAQI
21st Jul 2025416 AMAQI
21st Jul 2025407 AMAQI
21st Jul 2025418 AMAQI
21st Jul 2025229 AMAQI
21st Jul 20252810 AMAQI
21st Jul 20253111 AMAQI
21st Jul 20253412 PMAQI
21st Jul 2025381 PMAQI
21st Jul 2025272 PMAQI
21st Jul 2025283 PMAQI
21st Jul 2025284 PMAQI
21st Jul 2025345 PMAQI
21st Jul 2025346 PMAQI
21st Jul 2025397 PMAQI
21st Jul 2025418 PMAQI
21st Jul 2025449 PMAQI
21st Jul 20254810 PMAQI
21st Jul 20254511 PMAQI
22nd Jul 20254512 AMAQI
22nd Jul 2025451 AMAQI
22nd Jul 2025422 AMAQI
22nd Jul 2025423 AMAQI
22nd Jul 2025414 AMAQI
27°C25/30°C
22nd Jul 2025405 AMAQI
22nd Jul 2025396 AMAQI
22nd Jul 2025397 AMAQI
22nd Jul 2025408 AMAQI
22nd Jul 2025429 AMAQI
22nd Jul 20254310 AMAQI
22nd Jul 20253611 AMAQI
22nd Jul 20253412 PMAQI
22nd Jul 2025421 PMAQI
22nd Jul 2025482 PMAQI
22nd Jul 2025613 PMAQI
22nd Jul 2025604 PMAQI
22nd Jul 2025585 PMAQI
22nd Jul 2025526 PMAQI
22nd Jul 2025447 PMAQI
22nd Jul 2025438 PMAQI
22nd Jul 2025479 PMAQI
22nd Jul 20254910 PMAQI
22nd Jul 20254911 PMAQI
23rd Jul 20255012 AMAQI
23rd Jul 2025481 AMAQI
23rd Jul 2025442 AMAQI
23rd Jul 2025433 AMAQI
23rd Jul 2025424 AMAQI
28°C25/31°C
23rd Jul 2025425 AMAQI
23rd Jul 2025426 AMAQI
23rd Jul 2025437 AMAQI
23rd Jul 2025438 AMAQI
23rd Jul 2025529 AMAQI
23rd Jul 20255410 AMAQI
23rd Jul 20255411 AMAQI
23rd Jul 20255312 PMAQI
23rd Jul 2025491 PMAQI
23rd Jul 2025502 PMAQI
23rd Jul 2025543 PMAQI
23rd Jul 2025554 PMAQI
23rd Jul 2025535 PMAQI
23rd Jul 2025526 PMAQI
23rd Jul 2025527 PMAQI
23rd Jul 2025538 PMAQI
23rd Jul 2025529 PMAQI
23rd Jul 20255210 PMAQI
23rd Jul 20255211 PMAQI
24th Jul 20255412 AMAQI
24th Jul 2025501 AMAQI
24th Jul 2025452 AMAQI
24th Jul 2025443 AMAQI
24th Jul 2025464 AMAQI
28°C26/31°C
24th Jul 2025475 AMAQI
24th Jul 2025476 AMAQI
24th Jul 2025467 AMAQI
24th Jul 2025478 AMAQI
24th Jul 2025499 AMAQI
24th Jul 20255510 AMAQI
24th Jul 20255611 AMAQI
24th Jul 20255312 PMAQI
24th Jul 2025511 PMAQI
24th Jul 2025502 PMAQI
24th Jul 2025473 PMAQI
24th Jul 2025474 PMAQI
24th Jul 2025535 PMAQI
24th Jul 2025546 PMAQI
24th Jul 2025557 PMAQI
24th Jul 2025568 PMAQI
24th Jul 2025559 PMAQI
24th Jul 20255410 PMAQI
24th Jul 20255211 PMAQI
25th Jul 20255112 AMAQI
25th Jul 2025471 AMAQI
25th Jul 2025472 AMAQI
25th Jul 2025473 AMAQI
25th Jul 2025484 AMAQI
28°C26/32°C
25th Jul 2025495 AMAQI
25th Jul 2025506 AMAQI
25th Jul 2025507 AMAQI
25th Jul 2025518 AMAQI
25th Jul 2025259 AMAQI
25th Jul 20251510 AMAQI
25th Jul 20251611 AMAQI
25th Jul 20252512 PMAQI
25th Jul 2025301 PMAQI
25th Jul 2025272 PMAQI
25th Jul 2025273 PMAQI
25th Jul 2025264 PMAQI
25th Jul 2025245 PMAQI
25th Jul 2025236 PMAQI
25th Jul 2025237 PMAQI
25th Jul 2025288 PMAQI
25th Jul 2025349 PMAQI
25th Jul 20253410 PMAQI
25th Jul 20253411 PMAQI
26th Jul 20253312 AMAQI
26th Jul 2025401 AMAQI
26th Jul 2025472 AMAQI
26th Jul 2025473 AMAQI
26th Jul 2025454 AMAQI
28°C26/33°C
26th Jul 2025435 AMAQI
26th Jul 2025426 AMAQI
26th Jul 2025437 AMAQI
26th Jul 2025448 AMAQI
26th Jul 2025219 AMAQI
26th Jul 20251410 AMAQI
26th Jul 20251711 AMAQI
26th Jul 20251812 PMAQI
26th Jul 2025161 PMAQI
26th Jul 2025182 PMAQI
26th Jul 2025183 PMAQI
26th Jul 2025214 PMAQI
26th Jul 2025215 PMAQI
26th Jul 2025236 PMAQI
26th Jul 2025187 PMAQI
26th Jul 2025198 PMAQI
26th Jul 2025289 PMAQI
26th Jul 20253010 PMAQI
26th Jul 20252911 PMAQI
27th Jul 20253012 AMAQI
27th Jul 2025361 AMAQI
27th Jul 2025432 AMAQI
27th Jul 2025443 AMAQI
27th Jul 2025434 AMAQI
28°C26/32°C
27th Jul 2025395 AMAQI
27th Jul 2025406 AMAQI
27th Jul 2025407 AMAQI
27th Jul 2025408 AMAQI
27th Jul 2025289 AMAQI
27th Jul 20251510 AMAQI
27th Jul 20251411 AMAQI
27th Jul 20251412 PMAQI
27th Jul 2025151 PMAQI
27th Jul 2025142 PMAQI
27th Jul 2025183 PMAQI
27th Jul 2025204 PMAQI
27th Jul 2025175 PMAQI
27th Jul 2025156 PMAQI
27th Jul 2025177 PMAQI
27th Jul 2025228 PMAQI
27th Jul 2025299 PMAQI
27th Jul 20252810 PMAQI
27th Jul 20252811 PMAQI
28th Jul 20252812 AMAQI
28th Jul 2025331 AMAQI
28th Jul 2025382 AMAQI
28th Jul 2025383 AMAQI
28th Jul 2025364 AMAQI
29°C26/32°C
28th Jul 2025355 AMAQI
28th Jul 2025356 AMAQI
28th Jul 2025377 AMAQI
28th Jul 2025358 AMAQI
28th Jul 2025209 AMAQI
28th Jul 20251610 AMAQI
28th Jul 20251811 AMAQI
28th Jul 20251812 PMAQI
28th Jul 2025201 PMAQI
28th Jul 2025202 PMAQI
28th Jul 2025243 PMAQI
28th Jul 2025274 PMAQI
28th Jul 2025245 PMAQI
28th Jul 2025246 PMAQI
28th Jul 2025287 PMAQI
28th Jul 2025328 PMAQI
28th Jul 2025319 PMAQI
28th Jul 20252810 PMAQI
28th Jul 20252611 PMAQI
29th Jul 20252612 AMAQI
29th Jul 2025291 AMAQI
29th Jul 2025352 AMAQI
29th Jul 2025343 AMAQI
29th Jul 2025374 AMAQI
28°C25/32°C
29th Jul 2025335 AMAQI
29th Jul 2025336 AMAQI
29th Jul 2025337 AMAQI
29th Jul 2025328 AMAQI
29th Jul 2025219 AMAQI
29th Jul 20251910 AMAQI
29th Jul 20252111 AMAQI
29th Jul 20252012 PMAQI
29th Jul 2025201 PMAQI
29th Jul 2025312 PMAQI
29th Jul 2025303 PMAQI
29th Jul 2025244 PMAQI
29th Jul 2025215 PMAQI
29th Jul 2025216 PMAQI
29th Jul 2025267 PMAQI
29th Jul 2025328 PMAQI
29th Jul 2025329 PMAQI
29th Jul 20252710 PMAQI
29th Jul 20253011 PMAQI
30th Jul 20253412 AMAQI
30th Jul 2025351 AMAQI
30th Jul 2025322 AMAQI
30th Jul 2025323 AMAQI
30th Jul 2025324 AMAQI
28°C25/32°C
30th Jul 2025315 AMAQI
30th Jul 2025306 AMAQI
30th Jul 2025307 AMAQI
30th Jul 2025308 AMAQI
30th Jul 2025219 AMAQI
30th Jul 20252510 AMAQI
30th Jul 20253211 AMAQI
30th Jul 20252612 PMAQI
30th Jul 2025221 PMAQI
30th Jul 2025252 PMAQI
30th Jul 2025343 PMAQI
30th Jul 2025414 PMAQI
30th Jul 2025375 PMAQI
30th Jul 2025436 PMAQI
30th Jul 2025427 PMAQI
30th Jul 2025368 PMAQI
30th Jul 2025389 PMAQI
30th Jul 20253410 PMAQI
30th Jul 20253811 PMAQI
31st Jul 20253912 AMAQI
31st Jul 2025331 AMAQI
31st Jul 2025322 AMAQI
31st Jul 2025323 AMAQI
31st Jul 2025324 AMAQI
28°C25/31°C
31st Jul 2025325 AMAQI
31st Jul 2025326 AMAQI
31st Jul 2025327 AMAQI
31st Jul 2025328 AMAQI
31st Jul 2025329 AMAQI
31st Jul 20253210 AMAQI
31st Jul 20253911 AMAQI
31st Jul 20254312 PMAQI
31st Jul 2025401 PMAQI
31st Jul 2025352 PMAQI
31st Jul 2025283 PMAQI
31st Jul 2025274 PMAQI
31st Jul 2025315 PMAQI
31st Jul 2025336 PMAQI
31st Jul 2025447 PMAQI
31st Jul 2025478 PMAQI
31st Jul 2025439 PMAQI
31st Jul 20254710 PMAQI
31st Jul 20254811 PMAQI
1st Aug 20254012 AMAQI
1st Aug 2025381 AMAQI
1st Aug 2025412 AMAQI
1st Aug 2025363 AMAQI
1st Aug 2025384 AMAQI
28°C25/33°C
1st Aug 2025415 AMAQI
1st Aug 2025396 AMAQI
1st Aug 2025407 AMAQI
1st Aug 2025438 AMAQI
1st Aug 2025519 AMAQI
1st Aug 20255610 AMAQI
1st Aug 20255911 AMAQI
1st Aug 20255812 PMAQI
1st Aug 2025591 PMAQI
1st Aug 2025532 PMAQI
1st Aug 2025483 PMAQI
1st Aug 2025554 PMAQI
1st Aug 2025555 PMAQI
1st Aug 2025586 PMAQI
1st Aug 2025547 PMAQI
1st Aug 2025508 PMAQI
1st Aug 2025459 PMAQI
1st Aug 20254610 PMAQI
1st Aug 20254811 PMAQI
2nd Aug 20254212 AMAQI
2nd Aug 2025421 AMAQI
2nd Aug 2025482 AMAQI
2nd Aug 2025423 AMAQI
2nd Aug 2025464 AMAQI
29°C26/32°C
2nd Aug 2025525 AMAQI
2nd Aug 2025496 AMAQI
2nd Aug 2025487 AMAQI
2nd Aug 2025508 AMAQI
2nd Aug 2025529 AMAQI
2nd Aug 20255210 AMAQI
2nd Aug 20255311 AMAQI
2nd Aug 20255812 PMAQI
2nd Aug 2025561 PMAQI
2nd Aug 2025562 PMAQI
2nd Aug 2025603 PMAQI
2nd Aug 2025564 PMAQI
2nd Aug 2025505 PMAQI
2nd Aug 2025536 PMAQI
2nd Aug 2025547 PMAQI
2nd Aug 2025518 PMAQI
2nd Aug 2025549 PMAQI
2nd Aug 20255410 PMAQI
2nd Aug 20255211 PMAQI
3rd Aug 20255412 AMAQI
3rd Aug 2025511 AMAQI
3rd Aug 2025472 AMAQI
3rd Aug 2025493 AMAQI
3rd Aug 2025504 AMAQI
28°C26/31°C
3rd Aug 2025525 AMAQI
3rd Aug 2025536 AMAQI
3rd Aug 2025527 AMAQI
3rd Aug 2025528 AMAQI
3rd Aug 2025549 AMAQI
3rd Aug 20255410 AMAQI
3rd Aug 20255611 AMAQI
3rd Aug 20255812 PMAQI
3rd Aug 2025591 PMAQI
3rd Aug 2025542 PMAQI
3rd Aug 2025483 PMAQI
3rd Aug 2025544 PMAQI
3rd Aug 2025515 PMAQI
3rd Aug 2025506 PMAQI
3rd Aug 2025547 PMAQI
3rd Aug 2025498 PMAQI
3rd Aug 2025539 PMAQI
3rd Aug 20255110 PMAQI
3rd Aug 20255011 PMAQI
4th Aug 20255112 AMAQI
4th Aug 2025531 AMAQI
4th Aug 2025522 AMAQI
4th Aug 2025523 AMAQI
4th Aug 2025524 AMAQI
--°C/°C
4th Aug 2025535 AMAQI
5 AM4th Aug 2025536 AMAQI
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 AM
47AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
10 AM - 12 PM
35AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 47), while the lowest AQI was between 10 AM to 12 PM (Avg. 35).
Night time
Avg. Highest Time
12 AM - 4 AM
47AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
8 PM - 11 PM
44AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 47), while the lowest AQI was between 8 PM to 11 PM (Avg. 44).
2025 Days Vs Air Quality
Saikaicho Kobago, Nagasaki, Japan
2025
76%
163
24%
51
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
163 DaysModerate
51 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 76%
Health Risk Level:
Low
In 2025, 76% of 215 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
Saikaicho Kobago, 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
35AQI
35AQI
2nd January 2025
46AQI
46AQI
3rd January 2025
36AQI
36AQI
4th January 2025
34AQI
34AQI
5th January 2025
32AQI
32AQI
6th January 2025
55AQI
55AQI
7th January 2025
31AQI
31AQI
8th January 2025
42AQI
42AQI
9th January 2025
29AQI
29AQI
10th January 2025
34AQI
34AQI
11th January 2025
27AQI
27AQI
12th January 2025
37AQI
37AQI
13th January 2025
37AQI
37AQI
14th January 2025
51AQI
51AQI
15th January 2025
41AQI
41AQI
16th January 2025
39AQI
39AQI
17th January 2025
46AQI
46AQI
18th January 2025
48AQI
48AQI
19th January 2025
43AQI
43AQI
20th January 2025
56AQI
56AQI
21st January 2025
73AQI
73AQI
22nd January 2025
70AQI
70AQI
23rd January 2025
65AQI
65AQI
24th January 2025
70AQI
70AQI
25th January 2025
45AQI
45AQI
26th January 2025
43AQI
43AQI
27th January 2025
41AQI
41AQI
28th January 2025
35AQI
35AQI
29th January 2025
34AQI
34AQI
30th January 2025
34AQI
34AQI
31st January 2025
39AQI
39AQI
1st February 2025
36AQI
36AQI
2nd February 2025
34AQI
34AQI
3rd February 2025
43AQI
43AQI
4th February 2025
32AQI
32AQI
5th February 2025
39AQI
39AQI
6th February 2025
31AQI
31AQI
7th February 2025
38AQI
38AQI
8th February 2025
31AQI
31AQI
9th February 2025
31AQI
31AQI
10th February 2025
32AQI
32AQI
11th February 2025
40AQI
40AQI
12th February 2025
35AQI
35AQI
13th February 2025
33AQI
33AQI
14th February 2025
35AQI
35AQI
15th February 2025
30AQI
30AQI
16th February 2025
38AQI
38AQI
17th February 2025
38AQI
38AQI
18th February 2025
36AQI
36AQI
19th February 2025
34AQI
34AQI
20th February 2025
33AQI
33AQI
21st February 2025
33AQI
33AQI
22nd February 2025
41AQI
41AQI
23rd February 2025
35AQI
35AQI
24th February 2025
38AQI
38AQI
25th February 2025
35AQI
35AQI
26th February 2025
47AQI
47AQI
27th February 2025
52AQI
52AQI
28th February 2025
57AQI
57AQI
1st March 2025
51AQI
51AQI
2nd March 2025
41AQI
41AQI
3rd March 2025
42AQI
42AQI
4th March 2025
31AQI
31AQI
5th March 2025
32AQI
32AQI
6th March 2025
30AQI
30AQI
7th March 2025
35AQI
35AQI
8th March 2025
37AQI
37AQI
9th March 2025
46AQI
46AQI
10th March 2025
49AQI
49AQI
11th March 2025
53AQI
53AQI
12th March 2025
50AQI
50AQI
13th March 2025
55AQI
55AQI
14th March 2025
38AQI
38AQI
15th March 2025
31AQI
31AQI
16th March 2025
38AQI
38AQI
17th March 2025
49AQI
49AQI
18th March 2025
49AQI
49AQI
19th March 2025
55AQI
55AQI
20th March 2025
53AQI
53AQI
21st March 2025
61AQI
61AQI
22nd March 2025
64AQI
64AQI
23rd March 2025
64AQI
64AQI
24th March 2025
55AQI
55AQI
25th March 2025
69AQI
69AQI
26th March 2025
60AQI
60AQI
27th March 2025
51AQI
51AQI
28th March 2025
61AQI
61AQI
29th March 2025
53AQI
53AQI
30th March 2025
38AQI
38AQI
31st March 2025
42AQI
42AQI
1st April 2025
42AQI
42AQI
2nd April 2025
35AQI
35AQI
3rd April 2025
39AQI
39AQI
4th April 2025
40AQI
40AQI
5th April 2025
41AQI
41AQI
6th April 2025
42AQI
42AQI
7th April 2025
41AQI
41AQI
8th April 2025
42AQI
42AQI
9th April 2025
56AQI
56AQI
10th April 2025
52AQI
52AQI
11th April 2025
62AQI
62AQI
12th April 2025
57AQI
57AQI
13th April 2025
51AQI
51AQI
14th April 2025
57AQI
57AQI
15th April 2025
38AQI
38AQI
16th April 2025
54AQI
54AQI
17th April 2025
45AQI
45AQI
18th April 2025
54AQI
54AQI
19th April 2025
44AQI
44AQI
20th April 2025
38AQI
38AQI
21st April 2025
37AQI
37AQI
22nd April 2025
30AQI
30AQI
23rd April 2025
26AQI
26AQI
24th April 2025
37AQI
37AQI
25th April 2025
48AQI
48AQI
26th April 2025
49AQI
49AQI
27th April 2025
48AQI
48AQI
28th April 2025
47AQI
47AQI
29th April 2025
51AQI
51AQI
30th April 2025
53AQI
53AQI
1st May 2025
43AQI
43AQI
2nd May 2025
43AQI
43AQI
3rd May 2025
43AQI
43AQI
4th May 2025
42AQI
42AQI
5th May 2025
44AQI
44AQI
6th May 2025
39AQI
39AQI
7th May 2025
41AQI
41AQI
8th May 2025
48AQI
48AQI
9th May 2025
37AQI
37AQI
10th May 2025
38AQI
38AQI
11th May 2025
50AQI
50AQI
12th May 2025
54AQI
54AQI
13th May 2025
58AQI
58AQI
14th May 2025
58AQI
58AQI
15th May 2025
54AQI
54AQI
16th May 2025
56AQI
56AQI
17th May 2025
39AQI
39AQI
18th May 2025
51AQI
51AQI
19th May 2025
50AQI
50AQI
20th May 2025
36AQI
36AQI
21st May 2025
28AQI
28AQI
22nd May 2025
38AQI
38AQI
23rd May 2025
43AQI
43AQI
24th May 2025
29AQI
29AQI
25th May 2025
36AQI
36AQI
26th May 2025
36AQI
36AQI
27th May 2025
44AQI
44AQI
28th May 2025
48AQI
48AQI
29th May 2025
53AQI
53AQI
30th May 2025
43AQI
43AQI
31st May 2025
43AQI
43AQI
1st June 2025
50AQI
50AQI
2nd June 2025
45AQI
45AQI
3rd June 2025
42AQI
42AQI
4th June 2025
47AQI
47AQI
5th June 2025
47AQI
47AQI
6th June 2025
44AQI
44AQI
7th June 2025
53AQI
53AQI
8th June 2025
59AQI
59AQI
9th June 2025
34AQI
34AQI
10th June 2025
37AQI
37AQI
11th June 2025
39AQI
39AQI
12th June 2025
35AQI
35AQI
13th June 2025
38AQI
38AQI
14th June 2025
31AQI
31AQI
15th June 2025
32AQI
32AQI
16th June 2025
36AQI
36AQI
17th June 2025
33AQI
33AQI
18th June 2025
36AQI
36AQI
19th June 2025
36AQI
36AQI
20th June 2025
31AQI
31AQI
21st June 2025
27AQI
27AQI
22nd June 2025
21AQI
21AQI
23rd June 2025
22AQI
22AQI
24th June 2025
23AQI
23AQI
25th June 2025
27AQI
27AQI
26th June 2025
31AQI
31AQI
27th June 2025
29AQI
29AQI
28th June 2025
28AQI
28AQI
29th June 2025
27AQI
27AQI
30th June 2025
38AQI
38AQI
1st July 2025
55AQI
55AQI
2nd July 2025
63AQI
63AQI
3rd July 2025
54AQI
54AQI
4th July 2025
65AQI
65AQI
5th July 2025
48AQI
48AQI
6th July 2025
45AQI
45AQI
7th July 2025
41AQI
41AQI
8th July 2025
53AQI
53AQI
9th July 2025
59AQI
59AQI
10th July 2025
55AQI
55AQI
11th July 2025
53AQI
53AQI
12th July 2025
45AQI
45AQI
13th July 2025
42AQI
42AQI
14th July 2025
40AQI
40AQI
15th July 2025
46AQI
46AQI
16th July 2025
50AQI
50AQI
17th July 2025
45AQI
45AQI
18th July 2025
34AQI
34AQI
19th July 2025
39AQI
39AQI
20th July 2025
33AQI
33AQI
21st July 2025
38AQI
38AQI
22nd July 2025
45AQI
45AQI
23rd July 2025
49AQI
49AQI
24th July 2025
51AQI
51AQI
25th July 2025
35AQI
35AQI
26th July 2025
30AQI
30AQI
27th July 2025
28AQI
28AQI
28th July 2025
29AQI
29AQI
29th July 2025
28AQI
28AQI
30th July 2025
33AQI
33AQI
31st July 2025
36AQI
36AQI
1st August 2025
47AQI
47AQI
2nd August 2025
50AQI
50AQI
43AQI
37AQI
48AQI
45AQI
44AQI
36AQI
44AQI
49AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202543AQI
24
7
26
2
17
14
20
10
24
7
28
2
22
9
2
163
51
Highest AQI recorded in
August49AQI
Lowest AQI recorded in
June36AQI
202438AQI
29
2
27
1
1
26
5
22
7
1
21
10
25
5
31
25
6
24
6
29
1
1
24
6
29
2
312
51
2
1
Highest AQI recorded in
April49AQI
Lowest AQI recorded in
July25AQI
202338AQI
24
6
1
27
1
22
9
18
12
22
8
1
24
6
22
8
23
6
28
2
31
24
3
27
4
292
65
2
Highest AQI recorded in
April49AQI
Lowest AQI recorded in
October33AQI
202238AQI
28
3
19
2
24
7
28
2
23
8
26
4
22
3
2
27
2
29
2
23
7
29
2
280
42
Highest AQI recorded in
May45AQI
Lowest AQI recorded in
August27AQI
202137AQI
30
1
27
1
23
6
18
3
24
7
22
8
30
1
30
1
30
26
5
23
7
30
1
313
41
Highest AQI recorded in
June45AQI
Lowest AQI recorded in
January30AQI
202037AQI
11
2
20
1
12
6
24
6
31
14
5
3
1
15
29
2
157
22
3
Highest AQI recorded in
August49AQI
Lowest AQI recorded in
September0AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
43AQILeast Polluted Year Recorded
2020(Avg.)
37AQISaikaicho Kobago's annual 2025 AQI (43) shows an average percentage change of 12.5% (worsened AQI) compared to previous years: 2020 (37), 2021 (37), 2022 (38), 2023 (38), 2024 (38).
