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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

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

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
14th Aug 2024
65AQI
Lowest AQI recorded on
6th Aug 2023
13AQI

Same Day Analysis (16th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 21 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.

Day & Night AQI Trend: 15th Aug - 16th Aug 2026

Saikaicho Kobago, Nagasaki, Japan

AQI
Day
Night
.

5 AM15th Aug 2026

7 PM

4 AM16th Aug 2026

Day time
Avg. Highest Time
3PM15th Aug

62AQI

Avg. Lowest Time
11AM15th Aug

23AQI

Night time
Avg. Highest Time
8PM15th Aug

33AQI

Avg. Lowest Time
4AM16th Aug

8AQI

In the last 24 hours,

Saikaicho Kobago's AQI reached its highest point of 62 at 3 PM during the Day, while the lowest point, 8, was recorded at 4 AM during the Night between 15th Aug and 16th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Saikaicho Kobago, Nagasaki, Japan

JulAug
18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th
Day
Night
18th Jul 2026295 AMAQI
18th Jul 2026276 AMAQI
18th Jul 2026277 AMAQI
18th Jul 2026278 AMAQI
18th Jul 2026279 AMAQI
18th Jul 20262510 AMAQI
18th Jul 20262911 AMAQI
18th Jul 20262512 PMAQI
18th Jul 2026291 PMAQI
18th Jul 2026292 PMAQI
18th Jul 2026253 PMAQI
18th Jul 2026274 PMAQI
18th Jul 2026275 PMAQI
18th Jul 2026296 PMAQI
18th Jul 2026277 PMAQI
18th Jul 2026258 PMAQI
18th Jul 2026279 PMAQI
18th Jul 20262710 PMAQI
18th Jul 20262511 PMAQI
19th Jul 20262512 AMAQI
19th Jul 2026271 AMAQI
19th Jul 2026292 AMAQI
19th Jul 2026293 AMAQI
19th Jul 2026274 AMAQI

28°C25/31°C

19th Jul 2026295 AMAQI
19th Jul 2026276 AMAQI
19th Jul 2026277 AMAQI
19th Jul 2026278 AMAQI
19th Jul 2026279 AMAQI
19th Jul 20262910 AMAQI
19th Jul 20262911 AMAQI
19th Jul 20262912 PMAQI
19th Jul 2026311 PMAQI
19th Jul 2026312 PMAQI
19th Jul 2026313 PMAQI
19th Jul 2026334 PMAQI
19th Jul 2026335 PMAQI
19th Jul 2026336 PMAQI
19th Jul 2026337 PMAQI
19th Jul 2026318 PMAQI
19th Jul 2026339 PMAQI
19th Jul 20262910 PMAQI
19th Jul 20262911 PMAQI
20th Jul 20263312 AMAQI
20th Jul 2026291 AMAQI
20th Jul 2026332 AMAQI
20th Jul 2026333 AMAQI
20th Jul 2026334 AMAQI

28°C25/32°C

20th Jul 2026335 AMAQI
20th Jul 2026336 AMAQI
20th Jul 2026297 AMAQI
20th Jul 2026318 AMAQI
20th Jul 2026319 AMAQI
20th Jul 20262910 AMAQI
20th Jul 20263111 AMAQI
20th Jul 20262912 PMAQI
20th Jul 2026291 PMAQI
20th Jul 2026332 PMAQI
20th Jul 2026293 PMAQI
20th Jul 2026294 PMAQI
20th Jul 2026295 PMAQI
20th Jul 2026296 PMAQI
20th Jul 2026297 PMAQI
20th Jul 2026298 PMAQI
20th Jul 2026279 PMAQI
20th Jul 20262910 PMAQI
20th Jul 20262711 PMAQI
21st Jul 20262712 AMAQI
21st Jul 2026251 AMAQI
21st Jul 2026252 AMAQI
21st Jul 2026253 AMAQI
21st Jul 2026234 AMAQI

28°C25/32°C

21st Jul 2026255 AMAQI
21st Jul 2026256 AMAQI
21st Jul 2026237 AMAQI
21st Jul 2026258 AMAQI
21st Jul 2026219 AMAQI
21st Jul 20262510 AMAQI
21st Jul 20262111 AMAQI
21st Jul 2026231 PMAQI
21st Jul 2026252 PMAQI
21st Jul 2026253 PMAQI
21st Jul 2026254 PMAQI
21st Jul 2026255 PMAQI
21st Jul 2026256 PMAQI
21st Jul 2026777 PMAQI
21st Jul 2026278 PMAQI
21st Jul 2026259 PMAQI
21st Jul 20262510 PMAQI
21st Jul 20262511 PMAQI
22nd Jul 20262512 AMAQI
22nd Jul 2026251 AMAQI
22nd Jul 2026252 AMAQI
22nd Jul 2026273 AMAQI
22nd Jul 2026254 AMAQI

28°C25/32°C

22nd Jul 2026255 AMAQI
22nd Jul 2026236 AMAQI
22nd Jul 2026257 AMAQI
22nd Jul 2026238 AMAQI
22nd Jul 2026239 AMAQI
22nd Jul 20262510 AMAQI
22nd Jul 20262711 AMAQI
22nd Jul 20262512 PMAQI
22nd Jul 2026251 PMAQI
22nd Jul 2026252 PMAQI
22nd Jul 2026253 PMAQI
22nd Jul 2026274 PMAQI
22nd Jul 2026275 PMAQI
22nd Jul 2026256 PMAQI
22nd Jul 2026277 PMAQI
22nd Jul 2026258 PMAQI
22nd Jul 2026239 PMAQI
22nd Jul 20262110 PMAQI
22nd Jul 20262111 PMAQI
23rd Jul 20262312 AMAQI
23rd Jul 2026231 AMAQI
23rd Jul 2026212 AMAQI
23rd Jul 2026213 AMAQI
23rd Jul 2026214 AMAQI

28°C25/33°C

23rd Jul 2026215 AMAQI
23rd Jul 2026216 AMAQI
23rd Jul 2026217 AMAQI
23rd Jul 2026218 AMAQI
23rd Jul 2026219 AMAQI
23rd Jul 20262110 AMAQI
23rd Jul 20262111 AMAQI
23rd Jul 20262112 PMAQI
23rd Jul 2026211 PMAQI
23rd Jul 2026212 PMAQI
23rd Jul 2026233 PMAQI
23rd Jul 2026234 PMAQI
23rd Jul 2026255 PMAQI
23rd Jul 2026276 PMAQI
23rd Jul 2026217 PMAQI
23rd Jul 2026218 PMAQI
23rd Jul 2026219 PMAQI
23rd Jul 20262110 PMAQI
23rd Jul 20262111 PMAQI
24th Jul 20262112 AMAQI
24th Jul 2026251 AMAQI
24th Jul 2026212 AMAQI
24th Jul 2026213 AMAQI
24th Jul 2026214 AMAQI

28°C25/32°C

24th Jul 2026215 AMAQI
24th Jul 2026216 AMAQI
24th Jul 2026217 AMAQI
24th Jul 2026218 AMAQI
24th Jul 2026219 AMAQI
24th Jul 20262110 AMAQI
24th Jul 20262311 AMAQI
24th Jul 20262112 PMAQI
24th Jul 2026211 PMAQI
24th Jul 2026252 PMAQI
24th Jul 2026213 PMAQI
24th Jul 2026254 PMAQI
24th Jul 2026215 PMAQI
24th Jul 2026216 PMAQI
24th Jul 2026217 PMAQI
24th Jul 2026218 PMAQI
24th Jul 2026219 PMAQI
24th Jul 20262510 PMAQI
24th Jul 20262511 PMAQI
25th Jul 20262312 AMAQI
25th Jul 2026251 AMAQI
25th Jul 2026292 AMAQI
25th Jul 2026253 AMAQI
25th Jul 2026214 AMAQI

28°C24/33°C

25th Jul 2026255 AMAQI
25th Jul 2026256 AMAQI
25th Jul 2026257 AMAQI
25th Jul 2026298 AMAQI
25th Jul 2026259 AMAQI
25th Jul 20262510 AMAQI
25th Jul 20262511 AMAQI
25th Jul 20262512 PMAQI
25th Jul 2026211 PMAQI
25th Jul 2026252 PMAQI
25th Jul 2026213 PMAQI
25th Jul 2026254 PMAQI
25th Jul 2026335 PMAQI
25th Jul 2026256 PMAQI
25th Jul 2026257 PMAQI
25th Jul 2026298 PMAQI
25th Jul 2026299 PMAQI
25th Jul 20262510 PMAQI
25th Jul 20262911 PMAQI
26th Jul 20262112 AMAQI
26th Jul 2026251 AMAQI
26th Jul 2026212 AMAQI
26th Jul 2026253 AMAQI
26th Jul 2026214 AMAQI

28°C24/33°C

26th Jul 2026255 AMAQI
26th Jul 2026256 AMAQI
26th Jul 2026257 AMAQI
26th Jul 2026258 AMAQI
26th Jul 2026219 AMAQI
26th Jul 20262510 AMAQI
26th Jul 20262511 AMAQI
26th Jul 20262512 PMAQI
26th Jul 2026251 PMAQI
26th Jul 2026252 PMAQI
26th Jul 2026253 PMAQI
26th Jul 2026254 PMAQI
26th Jul 2026215 PMAQI
26th Jul 2026296 PMAQI
26th Jul 2026217 PMAQI
26th Jul 2026258 PMAQI
26th Jul 2026259 PMAQI
26th Jul 20262510 PMAQI
26th Jul 20262511 PMAQI
27th Jul 20262512 AMAQI
27th Jul 2026211 AMAQI
27th Jul 2026252 AMAQI
27th Jul 2026253 AMAQI
27th Jul 2026254 AMAQI

29°C24/34°C

27th Jul 2026215 AMAQI
27th Jul 2026296 AMAQI
27th Jul 2026257 AMAQI
27th Jul 2026318 AMAQI
27th Jul 2026259 AMAQI
27th Jul 20262510 AMAQI
27th Jul 20262511 AMAQI
27th Jul 20262912 PMAQI
27th Jul 2026251 PMAQI
27th Jul 2026252 PMAQI
27th Jul 2026253 PMAQI
27th Jul 2026334 PMAQI
27th Jul 2026255 PMAQI
27th Jul 2026256 PMAQI
27th Jul 2026257 PMAQI
27th Jul 2026218 PMAQI
27th Jul 2026259 PMAQI
27th Jul 20262110 PMAQI
27th Jul 20262511 PMAQI
28th Jul 20263312 AMAQI
28th Jul 2026251 AMAQI
28th Jul 2026252 AMAQI
28th Jul 2026253 AMAQI
28th Jul 2026254 AMAQI

29°C25/35°C

28th Jul 2026255 AMAQI
28th Jul 2026276 AMAQI
28th Jul 2026257 AMAQI
28th Jul 2026218 AMAQI
28th Jul 2026259 AMAQI
28th Jul 20262510 AMAQI
28th Jul 20262511 AMAQI
28th Jul 20262112 PMAQI
28th Jul 2026211 PMAQI
28th Jul 2026252 PMAQI
28th Jul 2026293 PMAQI
28th Jul 2026254 PMAQI
28th Jul 2026255 PMAQI
28th Jul 2026256 PMAQI
28th Jul 2026257 PMAQI
28th Jul 2026258 PMAQI
28th Jul 2026279 PMAQI
28th Jul 20262910 PMAQI
28th Jul 20262511 PMAQI
29th Jul 20262512 AMAQI
29th Jul 2026251 AMAQI
29th Jul 2026252 AMAQI
29th Jul 2026253 AMAQI
29th Jul 2026254 AMAQI

29°C25/33°C

29th Jul 2026295 AMAQI
29th Jul 2026276 AMAQI
29th Jul 2026257 AMAQI
29th Jul 2026218 AMAQI
29th Jul 2026299 AMAQI
29th Jul 20262110 AMAQI
29th Jul 20262911 AMAQI
29th Jul 20262512 PMAQI
29th Jul 2026291 PMAQI
29th Jul 2026272 PMAQI
29th Jul 2026253 PMAQI
29th Jul 2026254 PMAQI
29th Jul 2026255 PMAQI
29th Jul 2026256 PMAQI
29th Jul 2026257 PMAQI
29th Jul 2026218 PMAQI
29th Jul 2026259 PMAQI
29th Jul 20262510 PMAQI
29th Jul 20262511 PMAQI
30th Jul 20262912 AMAQI
30th Jul 2026251 AMAQI
30th Jul 2026212 AMAQI
30th Jul 2026293 AMAQI
30th Jul 2026294 AMAQI

27°C25/30°C

30th Jul 2026255 AMAQI
30th Jul 2026256 AMAQI
30th Jul 2026257 AMAQI
30th Jul 2026258 AMAQI
30th Jul 2026259 AMAQI
30th Jul 20262510 AMAQI
30th Jul 20262511 AMAQI
30th Jul 20262712 PMAQI
30th Jul 2026291 PMAQI
30th Jul 2026252 PMAQI
30th Jul 2026253 PMAQI
30th Jul 2026254 PMAQI
30th Jul 2026255 PMAQI
30th Jul 2026256 PMAQI
30th Jul 2026257 PMAQI
30th Jul 2026258 PMAQI
30th Jul 2026259 PMAQI
30th Jul 20262510 PMAQI
30th Jul 20262511 PMAQI
31st Jul 20262912 AMAQI
31st Jul 2026211 AMAQI
31st Jul 2026252 AMAQI
31st Jul 2026253 AMAQI
31st Jul 2026254 AMAQI

28°C25/32°C

31st Jul 2026215 AMAQI
31st Jul 2026216 AMAQI
31st Jul 2026217 AMAQI
31st Jul 2026258 AMAQI
31st Jul 2026219 AMAQI
31st Jul 20262510 AMAQI
31st Jul 20262111 AMAQI
31st Jul 20262912 PMAQI
31st Jul 2026251 PMAQI
31st Jul 2026252 PMAQI
31st Jul 2026253 PMAQI
31st Jul 2026254 PMAQI
31st Jul 2026255 PMAQI
31st Jul 2026256 PMAQI
31st Jul 2026257 PMAQI
31st Jul 2026298 PMAQI
31st Jul 2026259 PMAQI
31st Jul 20262510 PMAQI
31st Jul 20262511 PMAQI
1st Aug 20262112 AMAQI
1st Aug 2026251 AMAQI
1st Aug 2026252 AMAQI
1st Aug 2026253 AMAQI
1st Aug 2026214 AMAQI

28°C25/32°C

1st Aug 2026255 AMAQI
1st Aug 2026256 AMAQI
1st Aug 2026257 AMAQI
1st Aug 2026298 AMAQI
1st Aug 2026259 AMAQI
1st Aug 20262510 AMAQI
1st Aug 20262511 AMAQI
1st Aug 20262912 PMAQI
1st Aug 2026331 PMAQI
1st Aug 2026232 PMAQI
1st Aug 2026253 PMAQI
1st Aug 2026254 PMAQI
1st Aug 2026335 PMAQI
1st Aug 2026316 PMAQI
1st Aug 2026387 PMAQI
1st Aug 2026368 PMAQI
1st Aug 2026369 PMAQI
1st Aug 20263810 PMAQI
1st Aug 20263811 PMAQI
2nd Aug 20263612 AMAQI
2nd Aug 2026361 AMAQI
2nd Aug 2026332 AMAQI
2nd Aug 2026313 AMAQI
2nd Aug 2026334 AMAQI

29°C25/34°C

2nd Aug 2026335 AMAQI
2nd Aug 2026296 AMAQI
2nd Aug 2026297 AMAQI
2nd Aug 2026298 AMAQI
2nd Aug 2026279 AMAQI
2nd Aug 20262510 AMAQI
2nd Aug 20262911 AMAQI
2nd Aug 20265012 PMAQI
2nd Aug 2026461 PMAQI
2nd Aug 2026462 PMAQI
2nd Aug 2026483 PMAQI
2nd Aug 2026524 PMAQI
2nd Aug 2026525 PMAQI
2nd Aug 2026426 PMAQI
2nd Aug 2026477 PMAQI
2nd Aug 2026518 PMAQI
2nd Aug 2026489 PMAQI
2nd Aug 20264410 PMAQI
2nd Aug 20264011 PMAQI
3rd Aug 20264812 AMAQI
3rd Aug 2026511 AMAQI
3rd Aug 2026512 AMAQI
3rd Aug 2026543 AMAQI
3rd Aug 2026584 AMAQI

29°C25/35°C

3rd Aug 2026555 AMAQI
3rd Aug 2026516 AMAQI
3rd Aug 2026567 AMAQI
3rd Aug 2026578 AMAQI
3rd Aug 2026519 AMAQI
3rd Aug 20265210 AMAQI
3rd Aug 20265511 AMAQI
3rd Aug 20266012 PMAQI
3rd Aug 2026561 PMAQI
3rd Aug 2026602 PMAQI
3rd Aug 2026583 PMAQI
3rd Aug 2026584 PMAQI
3rd Aug 2026605 PMAQI
3rd Aug 2026536 PMAQI
3rd Aug 2026587 PMAQI
3rd Aug 2026588 PMAQI
3rd Aug 2026559 PMAQI
3rd Aug 20265310 PMAQI
3rd Aug 20265311 PMAQI
4th Aug 20265412 AMAQI
4th Aug 2026551 AMAQI
4th Aug 2026572 AMAQI
4th Aug 2026463 AMAQI
4th Aug 2026444 AMAQI

31°C25/38°C

4th Aug 2026465 AMAQI
4th Aug 2026446 AMAQI
4th Aug 2026447 AMAQI
4th Aug 2026508 AMAQI
4th Aug 2026529 AMAQI
4th Aug 20265310 AMAQI
4th Aug 20265511 AMAQI
4th Aug 20265312 PMAQI
4th Aug 2026521 PMAQI
4th Aug 2026552 PMAQI
4th Aug 2026553 PMAQI
4th Aug 2026524 PMAQI
4th Aug 2026505 PMAQI
4th Aug 2026366 PMAQI
4th Aug 2026297 PMAQI
4th Aug 2026338 PMAQI
4th Aug 2026299 PMAQI
4th Aug 20263310 PMAQI
4th Aug 20263311 PMAQI
5th Aug 20264412 AMAQI
5th Aug 2026461 AMAQI
5th Aug 2026462 AMAQI
5th Aug 2026403 AMAQI
5th Aug 2026334 AMAQI

29°C26/34°C

5th Aug 2026405 AMAQI
5th Aug 2026446 AMAQI
5th Aug 2026447 AMAQI
5th Aug 2026508 AMAQI
5th Aug 2026409 AMAQI
5th Aug 20264210 AMAQI
5th Aug 20264011 AMAQI
5th Aug 20264512 PMAQI
5th Aug 2026521 PMAQI
5th Aug 2026572 PMAQI
5th Aug 2026563 PMAQI
5th Aug 2026464 PMAQI
5th Aug 2026465 PMAQI
5th Aug 2026406 PMAQI
5th Aug 2026367 PMAQI
5th Aug 2026478 PMAQI
5th Aug 2026429 PMAQI
5th Aug 20263410 PMAQI
5th Aug 20263611 PMAQI
6th Aug 20262712 AMAQI
6th Aug 2026211 AMAQI
6th Aug 2026272 AMAQI
6th Aug 2026213 AMAQI
6th Aug 2026214 AMAQI

29°C26/34°C

6th Aug 2026235 AMAQI
6th Aug 2026256 AMAQI
6th Aug 2026277 AMAQI
6th Aug 2026298 AMAQI
6th Aug 2026299 AMAQI
6th Aug 20262910 AMAQI
6th Aug 20262511 AMAQI
6th Aug 20262712 PMAQI
6th Aug 2026291 PMAQI
6th Aug 2026332 PMAQI
6th Aug 2026313 PMAQI
6th Aug 2026214 PMAQI
6th Aug 2026255 PMAQI
6th Aug 2026236 PMAQI
6th Aug 2026217 PMAQI
6th Aug 2026238 PMAQI
6th Aug 2026259 PMAQI
6th Aug 20262510 PMAQI
6th Aug 20262511 PMAQI
7th Aug 20262312 AMAQI
7th Aug 2026251 AMAQI
7th Aug 2026272 AMAQI
7th Aug 2026253 AMAQI
7th Aug 2026214 AMAQI

30°C24/36°C

7th Aug 2026215 AMAQI
7th Aug 2026216 AMAQI
7th Aug 2026257 AMAQI
7th Aug 2026258 AMAQI
7th Aug 2026239 AMAQI
7th Aug 20262510 AMAQI
7th Aug 20262511 AMAQI
7th Aug 20262512 PMAQI
7th Aug 2026321 PMAQI
7th Aug 2026382 PMAQI
7th Aug 2026233 PMAQI
7th Aug 2026294 PMAQI
7th Aug 2026305 PMAQI
7th Aug 2026296 PMAQI
7th Aug 2026257 PMAQI
7th Aug 2026258 PMAQI
7th Aug 2026259 PMAQI
7th Aug 20262510 PMAQI
7th Aug 20262511 PMAQI
8th Aug 20262512 AMAQI
8th Aug 2026211 AMAQI
8th Aug 2026212 AMAQI
8th Aug 2026213 AMAQI
8th Aug 2026254 AMAQI

30°C28/33°C

8th Aug 2026255 AMAQI
8th Aug 2026256 AMAQI
8th Aug 2026257 AMAQI
8th Aug 2026298 AMAQI
8th Aug 2026299 AMAQI
8th Aug 20262910 AMAQI
8th Aug 20263311 AMAQI
8th Aug 20262512 PMAQI
8th Aug 2026251 PMAQI
8th Aug 2026252 PMAQI
8th Aug 2026253 PMAQI
8th Aug 2026214 PMAQI
8th Aug 2026255 PMAQI
8th Aug 2026256 PMAQI
8th Aug 2026257 PMAQI
8th Aug 2026298 PMAQI
8th Aug 2026259 PMAQI
8th Aug 20262510 PMAQI
8th Aug 20262511 PMAQI
9th Aug 20262512 AMAQI
9th Aug 2026211 AMAQI
9th Aug 2026252 AMAQI
9th Aug 2026253 AMAQI
9th Aug 2026254 AMAQI

30°C27/34°C

9th Aug 2026215 AMAQI
9th Aug 2026256 AMAQI
9th Aug 2026257 AMAQI
9th Aug 2026218 AMAQI
9th Aug 2026219 AMAQI
9th Aug 20262110 AMAQI
9th Aug 20262911 AMAQI
9th Aug 20262512 PMAQI
9th Aug 2026251 PMAQI
9th Aug 2026252 PMAQI
9th Aug 2026253 PMAQI
9th Aug 2026214 PMAQI
9th Aug 2026255 PMAQI
9th Aug 2026256 PMAQI
9th Aug 2026337 PMAQI
9th Aug 2026298 PMAQI
9th Aug 2026389 PMAQI
9th Aug 20264210 PMAQI
9th Aug 20263611 PMAQI
10th Aug 20262512 AMAQI
10th Aug 2026291 AMAQI
10th Aug 2026212 AMAQI
10th Aug 2026253 AMAQI
10th Aug 2026254 AMAQI

29°C26/35°C

10th Aug 2026255 AMAQI
10th Aug 2026256 AMAQI
10th Aug 2026257 AMAQI
10th Aug 2026218 AMAQI
10th Aug 2026259 AMAQI
10th Aug 20262510 AMAQI
10th Aug 20262511 AMAQI
10th Aug 20262312 PMAQI
10th Aug 2026231 PMAQI
10th Aug 2026272 PMAQI
10th Aug 2026213 PMAQI
10th Aug 2026214 PMAQI
10th Aug 2026235 PMAQI
10th Aug 2026256 PMAQI
10th Aug 2026277 PMAQI
10th Aug 2026318 PMAQI
10th Aug 2026319 PMAQI
10th Aug 20262710 PMAQI
10th Aug 20262711 PMAQI
11th Aug 20262512 AMAQI
11th Aug 2026271 AMAQI
11th Aug 2026252 AMAQI
11th Aug 2026213 AMAQI
11th Aug 2026234 AMAQI

28°C25/33°C

11th Aug 2026215 AMAQI
11th Aug 2026216 AMAQI
11th Aug 2026237 AMAQI
11th Aug 2026218 AMAQI
11th Aug 2026219 AMAQI
11th Aug 20262110 AMAQI
11th Aug 20262111 AMAQI
11th Aug 20262112 PMAQI
11th Aug 2026211 PMAQI
11th Aug 2026212 PMAQI
11th Aug 2026233 PMAQI
11th Aug 2026214 PMAQI
11th Aug 2026215 PMAQI
11th Aug 2026236 PMAQI
11th Aug 2026257 PMAQI
11th Aug 2026258 PMAQI
11th Aug 2026219 PMAQI
11th Aug 20262510 PMAQI
11th Aug 20262911 PMAQI
12th Aug 20262912 AMAQI
12th Aug 2026231 AMAQI
12th Aug 2026252 AMAQI
12th Aug 2026213 AMAQI
12th Aug 2026254 AMAQI

27°C22/32°C

12th Aug 2026255 AMAQI
12th Aug 2026256 AMAQI
12th Aug 2026277 AMAQI
12th Aug 2026258 AMAQI
12th Aug 2026259 AMAQI
12th Aug 20262510 AMAQI
12th Aug 20262711 AMAQI
12th Aug 20262912 PMAQI
12th Aug 2026291 PMAQI
12th Aug 2026312 PMAQI
12th Aug 2026253 PMAQI
12th Aug 2026254 PMAQI
12th Aug 2026295 PMAQI
12th Aug 2026216 PMAQI
12th Aug 2026257 PMAQI
12th Aug 2026258 PMAQI
12th Aug 2026259 PMAQI
12th Aug 20262510 PMAQI
12th Aug 20262711 PMAQI
13th Aug 20262912 AMAQI
13th Aug 2026211 AMAQI
13th Aug 2026232 AMAQI
13th Aug 2026213 AMAQI
13th Aug 2026234 AMAQI

26°C20/33°C

13th Aug 2026255 AMAQI
13th Aug 2026256 AMAQI
13th Aug 2026237 AMAQI
13th Aug 2026238 AMAQI
13th Aug 2026219 AMAQI
13th Aug 20262110 AMAQI
13th Aug 20262911 AMAQI
13th Aug 20262312 PMAQI
13th Aug 2026211 PMAQI
13th Aug 2026232 PMAQI
13th Aug 2026253 PMAQI
13th Aug 2026214 PMAQI
13th Aug 2026235 PMAQI
13th Aug 2026216 PMAQI
13th Aug 2026257 PMAQI
13th Aug 2026218 PMAQI
13th Aug 2026239 PMAQI
13th Aug 20262110 PMAQI
13th Aug 20262111 PMAQI
14th Aug 20262112 AMAQI
14th Aug 2026211 AMAQI
14th Aug 2026212 AMAQI
14th Aug 2026333 AMAQI
14th Aug 2026214 AMAQI

27°C23/30°C

14th Aug 2026215 AMAQI
14th Aug 2026216 AMAQI
14th Aug 2026237 AMAQI
14th Aug 2026218 AMAQI
14th Aug 2026239 AMAQI
14th Aug 20262110 AMAQI
14th Aug 20262111 AMAQI
14th Aug 20262112 PMAQI
14th Aug 2026231 PMAQI
14th Aug 2026252 PMAQI
14th Aug 2026253 PMAQI
14th Aug 2026334 PMAQI
14th Aug 2026445 PMAQI
14th Aug 2026486 PMAQI
14th Aug 2026507 PMAQI
14th Aug 2026408 PMAQI
14th Aug 2026549 PMAQI
14th Aug 20264210 PMAQI
14th Aug 20263111 PMAQI
15th Aug 20262912 AMAQI
15th Aug 2026251 AMAQI
15th Aug 2026232 AMAQI
15th Aug 2026273 AMAQI
15th Aug 2026294 AMAQI

27°C23/31°C

15th Aug 2026335 AMAQI
15th Aug 2026316 AMAQI
15th Aug 2026277 AMAQI
15th Aug 2026258 AMAQI
15th Aug 2026259 AMAQI
15th Aug 20262510 AMAQI
15th Aug 20262311 AMAQI
15th Aug 20263112 PMAQI
15th Aug 2026551 PMAQI
15th Aug 2026562 PMAQI
15th Aug 2026623 PMAQI
15th Aug 2026404 PMAQI
15th Aug 2026465 PMAQI
15th Aug 2026386 PMAQI
15th Aug 2026297 PMAQI
15th Aug 2026338 PMAQI
15th Aug 2026259 PMAQI
15th Aug 20261810 PMAQI
15th Aug 20262511 PMAQI
16th Aug 20261912 AMAQI
16th Aug 2026141 AMAQI
16th Aug 2026172 AMAQI
16th Aug 2026123 AMAQI
16th Aug 202684 AMAQI

27°C24/31°C

16th Aug 202665 AMAQI
5 AM
16th Aug 2026126 AMAQI
16th Aug 2026177 AMAQI
16th Aug 2026148 AMAQI
16th Aug 2026279 AMAQI
16th Aug 20262310 AMAQI
16th Aug 20262511 AMAQI
16th Aug 20262112 PMAQI
12 PM
16th Aug 2026271 PMAQI
16th Aug 2026272 PMAQI
16th Aug 2026333 PMAQI
16th Aug 2026334 PMAQI
16th Aug 2026195 PMAQI
16th Aug 2026256 PMAQI
16th Aug 2026297 PMAQI
7 PM
16th Aug 2026258 PMAQI
16th Aug 2026239 PMAQI
16th Aug 20262510 PMAQI
16th Aug 20262711 PMAQI
12 AM
4 AM

25°C23/26°C

Day time
Avg. Highest Time
2 PM

31AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
5 AM - 10 AM

27AQI

6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 PM to 2 PM (Avg. 31), while the lowest AQI was between 5 AM to 10 AM (Avg. 27).
Night time
Avg. Highest Time
8 PM

30AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
4 AM

26AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 8 PM (Avg. 30), while the lowest AQI was between 4 AM to 4 AM (Avg. 26).

2026 Days Vs Air Quality

Saikaicho Kobago, Nagasaki, Japan

2026

86%

196

14%

32

Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)

Good
196 Days
Moderate
32 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 86%

Health Risk Level:

Low

In 2026, 86% of 228 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 2026

AQI (US)
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.

-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
16AQI (US)
2nd January 2026
20AQI (US)
3rd January 2026
26AQI (US)
4th January 2026
41AQI (US)
5th January 2026
46AQI (US)
6th January 2026
27AQI (US)
7th January 2026
32AQI (US)
8th January 2026
24AQI (US)
9th January 2026
16AQI (US)
10th January 2026
39AQI (US)
11th January 2026
26AQI (US)
12th January 2026
23AQI (US)
13th January 2026
37AQI (US)
14th January 2026
26AQI (US)
15th January 2026
33AQI (US)
16th January 2026
53AQI (US)
17th January 2026
45AQI (US)
18th January 2026
55AQI (US)
19th January 2026
61AQI (US)
20th January 2026
35AQI (US)
21st January 2026
14AQI (US)
22nd January 2026
22AQI (US)
23rd January 2026
37AQI (US)
24th January 2026
42AQI (US)
25th January 2026
26AQI (US)
26th January 2026
14AQI (US)
27th January 2026
34AQI (US)
28th January 2026
20AQI (US)
29th January 2026
33AQI (US)
30th January 2026
21AQI (US)
31st January 2026
11AQI (US)
1st February 2026
54AQI (US)
2nd February 2026
25AQI (US)
3rd February 2026
25AQI (US)
4th February 2026
25AQI (US)
5th February 2026
23AQI (US)
6th February 2026
45AQI (US)
7th February 2026
21AQI (US)
8th February 2026
17AQI (US)
9th February 2026
36AQI (US)
10th February 2026
36AQI (US)
11th February 2026
42AQI (US)
12th February 2026
54AQI (US)
13th February 2026
44AQI (US)
14th February 2026
37AQI (US)
15th February 2026
52AQI (US)
16th February 2026
59AQI (US)
17th February 2026
20AQI (US)
18th February 2026
29AQI (US)
19th February 2026
35AQI (US)
20th February 2026
32AQI (US)
21st February 2026
40AQI (US)
22nd February 2026
30AQI (US)
23rd February 2026
24AQI (US)
24th February 2026
19AQI (US)
25th February 2026
29AQI (US)
26th February 2026
30AQI (US)
27th February 2026
48AQI (US)
28th February 2026
38AQI (US)
1st March 2026
35AQI (US)
2nd March 2026
53AQI (US)
3rd March 2026
21AQI (US)
4th March 2026
31AQI (US)
5th March 2026
45AQI (US)
6th March 2026
49AQI (US)
7th March 2026
52AQI (US)
8th March 2026
38AQI (US)
9th March 2026
46AQI (US)
10th March 2026
44AQI (US)
11th March 2026
37AQI (US)
12th March 2026
52AQI (US)
13th March 2026
38AQI (US)
14th March 2026
43AQI (US)
15th March 2026
57AQI (US)
16th March 2026
52AQI (US)
17th March 2026
36AQI (US)
18th March 2026
49AQI (US)
19th March 2026
49AQI (US)
20th March 2026
48AQI (US)
21st March 2026
29AQI (US)
22nd March 2026
36AQI (US)
23rd March 2026
37AQI (US)
24th March 2026
53AQI (US)
25th March 2026
65AQI (US)
26th March 2026
26AQI (US)
27th March 2026
68AQI (US)
28th March 2026
79AQI (US)
29th March 2026
84AQI (US)
30th March 2026
30AQI (US)
31st March 2026
21AQI (US)
1st April 2026
25AQI (US)
2nd April 2026
54AQI (US)
3rd April 2026
51AQI (US)
4th April 2026
43AQI (US)
5th April 2026
46AQI (US)
6th April 2026
56AQI (US)
7th April 2026
27AQI (US)
8th April 2026
18AQI (US)
9th April 2026
35AQI (US)
10th April 2026
41AQI (US)
11th April 2026
32AQI (US)
12th April 2026
43AQI (US)
13th April 2026
31AQI (US)
14th April 2026
22AQI (US)
15th April 2026
32AQI (US)
16th April 2026
38AQI (US)
17th April 2026
33AQI (US)
18th April 2026
25AQI (US)
19th April 2026
26AQI (US)
20th April 2026
31AQI (US)
21st April 2026
41AQI (US)
22nd April 2026
45AQI (US)
23rd April 2026
13AQI (US)
24th April 2026
36AQI (US)
25th April 2026
43AQI (US)
26th April 2026
47AQI (US)
27th April 2026
54AQI (US)
28th April 2026
47AQI (US)
29th April 2026
36AQI (US)
30th April 2026
31AQI (US)
1st May 2026
50AQI (US)
2nd May 2026
47AQI (US)
3rd May 2026
37AQI (US)
4th May 2026
24AQI (US)
5th May 2026
25AQI (US)
6th May 2026
30AQI (US)
7th May 2026
32AQI (US)
8th May 2026
26AQI (US)
9th May 2026
27AQI (US)
10th May 2026
28AQI (US)
11th May 2026
31AQI (US)
12th May 2026
28AQI (US)
13th May 2026
33AQI (US)
14th May 2026
29AQI (US)
15th May 2026
32AQI (US)
16th May 2026
77AQI (US)
17th May 2026
63AQI (US)
18th May 2026
53AQI (US)
19th May 2026
46AQI (US)
20th May 2026
62AQI (US)
21st May 2026
67AQI (US)
22nd May 2026
70AQI (US)
23rd May 2026
63AQI (US)
24th May 2026
64AQI (US)
25th May 2026
54AQI (US)
26th May 2026
41AQI (US)
27th May 2026
24AQI (US)
28th May 2026
25AQI (US)
29th May 2026
26AQI (US)
30th May 2026
24AQI (US)
31st May 2026
34AQI (US)
1st June 2026
67AQI (US)
2nd June 2026
15AQI (US)
3rd June 2026
17AQI (US)
4th June 2026
25AQI (US)
5th June 2026
22AQI (US)
6th June 2026
37AQI (US)
7th June 2026
24AQI (US)
8th June 2026
20AQI (US)
9th June 2026
23AQI (US)
10th June 2026
22AQI (US)
11th June 2026
25AQI (US)
12th June 2026
24AQI (US)
13th June 2026
25AQI (US)
14th June 2026
24AQI (US)
15th June 2026
23AQI (US)
16th June 2026
26AQI (US)
17th June 2026
23AQI (US)
18th June 2026
24AQI (US)
19th June 2026
25AQI (US)
20th June 2026
24AQI (US)
21st June 2026
21AQI (US)
22nd June 2026
20AQI (US)
23rd June 2026
20AQI (US)
24th June 2026
20AQI (US)
25th June 2026
26AQI (US)
26th June 2026
27AQI (US)
27th June 2026
26AQI (US)
28th June 2026
27AQI (US)
29th June 2026
25AQI (US)
30th June 2026
22AQI (US)
1st July 2026
23AQI (US)
2nd July 2026
23AQI (US)
3rd July 2026
24AQI (US)
4th July 2026
26AQI (US)
5th July 2026
19AQI (US)
6th July 2026
22AQI (US)
7th July 2026
27AQI (US)
8th July 2026
24AQI (US)
9th July 2026
22AQI (US)
10th July 2026
29AQI (US)
11th July 2026
27AQI (US)
12th July 2026
27AQI (US)
13th July 2026
28AQI (US)
14th July 2026
28AQI (US)
15th July 2026
27AQI (US)
16th July 2026
28AQI (US)
17th July 2026
29AQI (US)
18th July 2026
27AQI (US)
19th July 2026
30AQI (US)
20th July 2026
30AQI (US)
21st July 2026
27AQI (US)
22nd July 2026
25AQI (US)
23rd July 2026
22AQI (US)
24th July 2026
22AQI (US)
25th July 2026
26AQI (US)
26th July 2026
24AQI (US)
27th July 2026
25AQI (US)
28th July 2026
25AQI (US)
29th July 2026
25AQI (US)
30th July 2026
26AQI (US)
31st July 2026
24AQI (US)
1st August 2026
28AQI (US)
2nd August 2026
39AQI (US)
3rd August 2026
55AQI (US)
4th August 2026
46AQI (US)
5th August 2026
44AQI (US)
6th August 2026
26AQI (US)
7th August 2026
26AQI (US)
8th August 2026
25AQI (US)
9th August 2026
26AQI (US)
10th August 2026
25AQI (US)
11th August 2026
23AQI (US)
12th August 2026
26AQI (US)
13th August 2026
23AQI (US)
14th August 2026
29AQI (US)
15th August 2026
32AQI (US)
16th August 2026
21AQI (US)
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

31AQI (US)

35AQI (US)

45AQI (US)

37AQI (US)

41AQI (US)

25AQI (US)

26AQI (US)

31AQI (US)

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202634AQI (US)

28
3
24
4
21
10
26
4
22
9
29
1
31
15
1
196
32

Highest AQI (US) recorded in

March

45AQI (US)

Lowest AQI (US) recorded in

June

25AQI (US)

202542AQI (US)

24
7
26
2
17
14
20
10
24
7
28
2
22
9
27
4
30
16
15
24
6
27
4
285
80

Highest AQI (US) recorded in

March

48AQI (US)

Lowest AQI (US) recorded in

September

29AQI (US)

202438AQI (US)

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 (US) recorded in

April

49AQI (US)

Lowest AQI (US) recorded in

July

25AQI (US)

202338AQI (US)

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 (US) recorded in

April

49AQI (US)

Lowest AQI (US) recorded in

October

33AQI (US)

202238AQI (US)

27
3
19
2
24
7
28
2
23
8
26
4
22
3
2
27
2
29
2
23
7
29
2
279
42

Highest AQI (US) recorded in

March

45AQI (US)

Lowest AQI (US) recorded in

August

27AQI (US)

202137AQI (US)

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 (US) recorded in

May

45AQI (US)

Lowest AQI (US) recorded in

January

30AQI (US)

202037AQI (US)

11
2
20
1
12
6
24
6
31
14
5
3
1
15
29
2
157
22
3

Highest AQI (US) recorded in

August

49AQI (US)

Lowest AQI (US) recorded in

September

0AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
42AQI (US)
Least Polluted Year Recorded
2026(Avg.)
34AQI (US)

Saikaicho Kobago's annual 2026 AQI (US) (34) shows an average percentage change of -11.1% (improved AQI (US)) compared to previous years: 2020 (37), 2021 (37), 2022 (38), 2023 (38), 2024 (38), 2025 (42).