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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Fukuishicho, Sato, 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

Fukuishicho, Sato, Nagasaki, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
14th Aug 2024
63AQI
Lowest AQI recorded on
29th Aug 2024
10AQI

Same Day Analysis (14th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 36 of Good air quality, showing improvement over 2025 and 2024 on the same day.

Day & Night AQI Trend: 13th Aug - 14th Aug 2026

Fukuishicho, Sato, Nagasaki, Japan

AQI
Day
Night
.

5 AM13th Aug 2026

7 PM

4 AM14th Aug 2026

Day time
Avg. Highest Time
2PM13th Aug

40AQI

Avg. Lowest Time
11AM13th Aug

21AQI

Night time
Avg. Highest Time
8PM13th Aug

40AQI

Avg. Lowest Time
4AM14th Aug

31AQI

In the last 24 hours,

Fukuishicho's AQI reached its highest point of 40 at 2 PM during the Day, while the lowest point, 21, was recorded at 11 AM during the Day between 13th Aug and 14th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Fukuishicho, Sato, Nagasaki, Japan

JulAug
16th - 17th17th - 18th18th - 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
Day
Night
16th Jul 2026305 AMAQI
16th Jul 2026306 AMAQI
16th Jul 2026307 AMAQI
16th Jul 2026318 AMAQI
16th Jul 2026329 AMAQI
16th Jul 20263210 AMAQI
16th Jul 20263111 AMAQI
16th Jul 20262612 PMAQI
16th Jul 2026281 PMAQI
16th Jul 2026242 PMAQI
16th Jul 2026263 PMAQI
16th Jul 2026274 PMAQI
16th Jul 2026245 PMAQI
16th Jul 2026306 PMAQI
16th Jul 2026287 PMAQI
16th Jul 2026288 PMAQI
16th Jul 2026309 PMAQI
16th Jul 20263010 PMAQI
16th Jul 20263011 PMAQI
17th Jul 20262912 AMAQI
17th Jul 2026271 AMAQI
17th Jul 2026282 AMAQI
17th Jul 2026283 AMAQI
17th Jul 2026304 AMAQI

27°C25/29°C

17th Jul 2026285 AMAQI
17th Jul 2026266 AMAQI
17th Jul 2026307 AMAQI
17th Jul 2026268 AMAQI
17th Jul 2026309 AMAQI
17th Jul 20263010 AMAQI
17th Jul 20262811 AMAQI
17th Jul 20262612 PMAQI
17th Jul 2026271 PMAQI
17th Jul 2026242 PMAQI
17th Jul 2026243 PMAQI
17th Jul 2026364 PMAQI
17th Jul 2026385 PMAQI
17th Jul 2026386 PMAQI
17th Jul 2026387 PMAQI
17th Jul 2026428 PMAQI
17th Jul 2026389 PMAQI
17th Jul 20263810 PMAQI
17th Jul 20263611 PMAQI
18th Jul 20263612 AMAQI
18th Jul 2026361 AMAQI
18th Jul 2026362 AMAQI
18th Jul 2026333 AMAQI
18th Jul 2026364 AMAQI

27°C25/31°C

18th Jul 2026335 AMAQI
18th Jul 2026336 AMAQI
18th Jul 2026317 AMAQI
18th Jul 2026318 AMAQI
18th Jul 2026319 AMAQI
18th Jul 20263110 AMAQI
18th Jul 20263111 AMAQI
18th Jul 20262912 PMAQI
18th Jul 2026311 PMAQI
18th Jul 2026292 PMAQI
18th Jul 2026313 PMAQI
18th Jul 2026334 PMAQI
18th Jul 2026335 PMAQI
18th Jul 2026366 PMAQI
18th Jul 2026367 PMAQI
18th Jul 2026338 PMAQI
18th Jul 2026319 PMAQI
18th Jul 20263310 PMAQI
18th Jul 20263311 PMAQI
19th Jul 20263612 AMAQI
19th Jul 2026311 AMAQI
19th Jul 2026362 AMAQI
19th Jul 2026333 AMAQI
19th Jul 2026334 AMAQI

27°C25/31°C

19th Jul 2026335 AMAQI
19th Jul 2026316 AMAQI
19th Jul 2026337 AMAQI
19th Jul 2026298 AMAQI
19th Jul 2026339 AMAQI
19th Jul 20263110 AMAQI
19th Jul 20263111 AMAQI
19th Jul 20263312 PMAQI
19th Jul 2026331 PMAQI
19th Jul 2026332 PMAQI
19th Jul 2026333 PMAQI
19th Jul 2026364 PMAQI
19th Jul 2026315 PMAQI
19th Jul 2026336 PMAQI
19th Jul 2026337 PMAQI
19th Jul 2026318 PMAQI
19th Jul 2026339 PMAQI
19th Jul 20263410 PMAQI
19th Jul 20263311 PMAQI
20th Jul 20263112 AMAQI
20th Jul 2026311 AMAQI
20th Jul 2026312 AMAQI
20th Jul 2026333 AMAQI
20th Jul 2026314 AMAQI

28°C25/32°C

20th Jul 2026335 AMAQI
20th Jul 2026336 AMAQI
20th Jul 2026337 AMAQI
20th Jul 2026318 AMAQI
20th Jul 2026319 AMAQI
20th Jul 20263110 AMAQI
20th Jul 20263311 AMAQI
20th Jul 20262912 PMAQI
20th Jul 2026311 PMAQI
20th Jul 2026332 PMAQI
20th Jul 2026333 PMAQI
20th Jul 2026334 PMAQI
20th Jul 2026295 PMAQI
20th Jul 2026336 PMAQI
20th Jul 2026317 PMAQI
20th Jul 2026318 PMAQI
20th Jul 2026339 PMAQI
20th Jul 20263310 PMAQI
20th Jul 20263311 PMAQI
21st Jul 20262712 AMAQI
21st Jul 2026291 AMAQI
21st Jul 2026272 AMAQI
21st Jul 2026293 AMAQI
21st Jul 2026294 AMAQI

28°C24/31°C

21st Jul 2026275 AMAQI
21st Jul 2026256 AMAQI
21st Jul 2026257 AMAQI
21st Jul 2026298 AMAQI
21st Jul 2026259 AMAQI
21st Jul 20262510 AMAQI
21st Jul 20262511 AMAQI
21st Jul 2026271 PMAQI
21st Jul 2026292 PMAQI
21st Jul 2026293 PMAQI
21st Jul 2026274 PMAQI
21st Jul 2026295 PMAQI
21st Jul 2026296 PMAQI
21st Jul 2026807 PMAQI
21st Jul 2026298 PMAQI
21st Jul 2026279 PMAQI
21st Jul 20262910 PMAQI
21st Jul 20262711 PMAQI
22nd Jul 20263112 AMAQI
22nd Jul 2026331 AMAQI
22nd Jul 2026312 AMAQI
22nd Jul 2026293 AMAQI
22nd Jul 2026294 AMAQI

27°C24/31°C

22nd Jul 2026295 AMAQI
22nd Jul 2026256 AMAQI
22nd Jul 2026277 AMAQI
22nd Jul 2026258 AMAQI
22nd Jul 2026279 AMAQI
22nd Jul 20262510 AMAQI
22nd Jul 20262511 AMAQI
22nd Jul 20262912 PMAQI
22nd Jul 2026291 PMAQI
22nd Jul 2026292 PMAQI
22nd Jul 2026293 PMAQI
22nd Jul 2026274 PMAQI
22nd Jul 2026295 PMAQI
22nd Jul 2026296 PMAQI
22nd Jul 2026297 PMAQI
22nd Jul 2026318 PMAQI
22nd Jul 2026299 PMAQI
22nd Jul 20262910 PMAQI
22nd Jul 20262911 PMAQI
23rd Jul 20262512 AMAQI
23rd Jul 2026251 AMAQI
23rd Jul 2026252 AMAQI
23rd Jul 2026273 AMAQI
23rd Jul 2026254 AMAQI

28°C24/32°C

23rd Jul 2026255 AMAQI
23rd Jul 2026256 AMAQI
23rd Jul 2026257 AMAQI
23rd Jul 2026258 AMAQI
23rd Jul 2026259 AMAQI
23rd Jul 20262510 AMAQI
23rd Jul 20262311 AMAQI
23rd Jul 20262512 PMAQI
23rd Jul 2026231 PMAQI
23rd Jul 2026232 PMAQI
23rd Jul 2026253 PMAQI
23rd Jul 2026214 PMAQI
23rd Jul 2026255 PMAQI
23rd Jul 2026276 PMAQI
23rd Jul 2026277 PMAQI
23rd Jul 2026298 PMAQI
23rd Jul 2026299 PMAQI
23rd Jul 20262910 PMAQI
23rd Jul 20262911 PMAQI
24th Jul 20262712 AMAQI
24th Jul 2026271 AMAQI
24th Jul 2026292 AMAQI
24th Jul 2026293 AMAQI
24th Jul 2026274 AMAQI

27°C24/31°C

24th Jul 2026275 AMAQI
24th Jul 2026256 AMAQI
24th Jul 2026257 AMAQI
24th Jul 2026258 AMAQI
24th Jul 2026259 AMAQI
24th Jul 20262510 AMAQI
24th Jul 20262511 AMAQI
24th Jul 20262912 PMAQI
24th Jul 2026271 PMAQI
24th Jul 2026252 PMAQI
24th Jul 2026273 PMAQI
24th Jul 2026254 PMAQI
24th Jul 2026215 PMAQI
24th Jul 2026236 PMAQI
24th Jul 2026257 PMAQI
24th Jul 2026258 PMAQI
24th Jul 2026259 PMAQI
24th Jul 20262510 PMAQI
24th Jul 20262311 PMAQI
25th Jul 20262112 AMAQI
25th Jul 2026211 AMAQI
25th Jul 2026212 AMAQI
25th Jul 2026213 AMAQI
25th Jul 2026214 AMAQI

27°C23/32°C

25th Jul 2026215 AMAQI
25th Jul 2026216 AMAQI
25th Jul 2026217 AMAQI
25th Jul 2026218 AMAQI
25th Jul 2026219 AMAQI
25th Jul 20262510 AMAQI
25th Jul 20262111 AMAQI
25th Jul 20262112 PMAQI
25th Jul 2026211 PMAQI
25th Jul 2026212 PMAQI
25th Jul 2026213 PMAQI
25th Jul 2026234 PMAQI
25th Jul 2026215 PMAQI
25th Jul 2026216 PMAQI
25th Jul 2026217 PMAQI
25th Jul 2026238 PMAQI
25th Jul 2026239 PMAQI
25th Jul 20262710 PMAQI
25th Jul 20262311 PMAQI
26th Jul 20262512 AMAQI
26th Jul 2026251 AMAQI
26th Jul 2026212 AMAQI
26th Jul 2026213 AMAQI
26th Jul 2026214 AMAQI

28°C24/32°C

26th Jul 2026215 AMAQI
26th Jul 2026216 AMAQI
26th Jul 2026237 AMAQI
26th Jul 2026238 AMAQI
26th Jul 2026219 AMAQI
26th Jul 20262910 AMAQI
26th Jul 20262911 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 2026336 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 2026213 AMAQI
27th Jul 2026254 AMAQI

28°C24/32°C

27th Jul 2026215 AMAQI
27th Jul 2026256 AMAQI
27th Jul 2026257 AMAQI
27th Jul 2026298 AMAQI
27th Jul 2026259 AMAQI
27th Jul 20262510 AMAQI
27th Jul 20262111 AMAQI
27th Jul 20262512 PMAQI
27th Jul 2026251 PMAQI
27th Jul 2026252 PMAQI
27th Jul 2026253 PMAQI
27th Jul 2026254 PMAQI
27th Jul 2026235 PMAQI
27th Jul 2026216 PMAQI
27th Jul 2026217 PMAQI
27th Jul 2026218 PMAQI
27th Jul 2026219 PMAQI
27th Jul 20262110 PMAQI
27th Jul 20262511 PMAQI
28th Jul 20262912 AMAQI
28th Jul 2026251 AMAQI
28th Jul 2026292 AMAQI
28th Jul 2026213 AMAQI
28th Jul 2026254 AMAQI

28°C24/33°C

28th Jul 2026295 AMAQI
28th Jul 2026296 AMAQI
28th Jul 2026257 AMAQI
28th Jul 2026258 AMAQI
28th Jul 2026259 AMAQI
28th Jul 20262910 AMAQI
28th Jul 20262511 AMAQI
28th Jul 20262112 PMAQI
28th Jul 2026211 PMAQI
28th Jul 2026212 PMAQI
28th Jul 2026253 PMAQI
28th Jul 2026294 PMAQI
28th Jul 2026215 PMAQI
28th Jul 2026256 PMAQI
28th Jul 2026257 PMAQI
28th Jul 2026238 PMAQI
28th Jul 2026219 PMAQI
28th Jul 20262110 PMAQI
28th Jul 20262311 PMAQI
29th Jul 20262312 AMAQI
29th Jul 2026251 AMAQI
29th Jul 2026232 AMAQI
29th Jul 2026253 AMAQI
29th Jul 2026254 AMAQI

28°C24/32°C

29th Jul 2026295 AMAQI
29th Jul 2026276 AMAQI
29th Jul 2026257 AMAQI
29th Jul 2026218 AMAQI
29th Jul 2026339 AMAQI
29th Jul 20262110 AMAQI
29th Jul 20262911 AMAQI
29th Jul 20262512 PMAQI
29th Jul 2026331 PMAQI
29th Jul 2026252 PMAQI
29th Jul 2026253 PMAQI
29th Jul 2026254 PMAQI
29th Jul 2026255 PMAQI
29th Jul 2026256 PMAQI
29th Jul 2026257 PMAQI
29th Jul 2026258 PMAQI
29th Jul 2026219 PMAQI
29th Jul 20262510 PMAQI
29th Jul 20262511 PMAQI
30th Jul 20262912 AMAQI
30th Jul 2026251 AMAQI
30th Jul 2026212 AMAQI
30th Jul 2026313 AMAQI
30th Jul 2026294 AMAQI

27°C25/29°C

30th Jul 2026255 AMAQI
30th Jul 2026256 AMAQI
30th Jul 2026237 AMAQI
30th Jul 2026238 AMAQI
30th Jul 2026259 AMAQI
30th Jul 20262510 AMAQI
30th Jul 20262511 AMAQI
30th Jul 20262512 PMAQI
30th Jul 2026231 PMAQI
30th Jul 2026212 PMAQI
30th Jul 2026213 PMAQI
30th Jul 2026214 PMAQI
30th Jul 2026215 PMAQI
30th Jul 2026216 PMAQI
30th Jul 2026217 PMAQI
30th Jul 2026238 PMAQI
30th Jul 2026259 PMAQI
30th Jul 20262510 PMAQI
30th Jul 20262111 PMAQI
31st Jul 20262112 AMAQI
31st Jul 2026211 AMAQI
31st Jul 2026252 AMAQI
31st Jul 2026213 AMAQI
31st Jul 2026214 AMAQI

27°C24/31°C

31st Jul 2026215 AMAQI
31st Jul 2026216 AMAQI
31st Jul 2026217 AMAQI
31st Jul 2026218 AMAQI
31st Jul 2026219 AMAQI
31st Jul 20262510 AMAQI
31st Jul 20262111 AMAQI
31st Jul 20262112 PMAQI
31st Jul 2026211 PMAQI
31st Jul 2026212 PMAQI
31st Jul 2026213 PMAQI
31st Jul 2026214 PMAQI
31st Jul 2026215 PMAQI
31st Jul 2026236 PMAQI
31st Jul 2026217 PMAQI
31st Jul 2026258 PMAQI
31st Jul 2026259 PMAQI
31st Jul 20262310 PMAQI
31st Jul 20262111 PMAQI
1st Aug 20262112 AMAQI
1st Aug 2026211 AMAQI
1st Aug 2026212 AMAQI
1st Aug 2026213 AMAQI
1st Aug 2026214 AMAQI

27°C24/31°C

1st Aug 2026215 AMAQI
1st Aug 2026216 AMAQI
1st Aug 2026217 AMAQI
1st Aug 2026258 AMAQI
1st Aug 2026219 AMAQI
1st Aug 20262710 AMAQI
1st Aug 20262111 AMAQI
1st Aug 20262512 PMAQI
1st Aug 2026251 PMAQI
1st Aug 2026292 PMAQI
1st Aug 2026313 PMAQI
1st Aug 2026334 PMAQI
1st Aug 2026405 PMAQI
1st Aug 2026446 PMAQI
1st Aug 2026447 PMAQI
1st Aug 2026468 PMAQI
1st Aug 2026449 PMAQI
1st Aug 20264010 PMAQI
1st Aug 20264411 PMAQI
2nd Aug 20263812 AMAQI
2nd Aug 2026401 AMAQI
2nd Aug 2026422 AMAQI
2nd Aug 2026403 AMAQI
2nd Aug 2026404 AMAQI

28°C25/32°C

2nd Aug 2026385 AMAQI
2nd Aug 2026386 AMAQI
2nd Aug 2026337 AMAQI
2nd Aug 2026318 AMAQI
2nd Aug 2026339 AMAQI
2nd Aug 20263110 AMAQI
2nd Aug 20262911 AMAQI
2nd Aug 20265212 PMAQI
2nd Aug 2026531 PMAQI
2nd Aug 2026542 PMAQI
2nd Aug 2026513 PMAQI
2nd Aug 2026554 PMAQI
2nd Aug 2026555 PMAQI
2nd Aug 2026426 PMAQI
2nd Aug 2026487 PMAQI
2nd Aug 2026548 PMAQI
2nd Aug 2026549 PMAQI
2nd Aug 20265010 PMAQI
2nd Aug 20264611 PMAQI
3rd Aug 20264812 AMAQI
3rd Aug 2026551 AMAQI
3rd Aug 2026532 AMAQI
3rd Aug 2026563 AMAQI
3rd Aug 2026594 AMAQI

28°C25/34°C

3rd Aug 2026595 AMAQI
3rd Aug 2026526 AMAQI
3rd Aug 2026577 AMAQI
3rd Aug 2026578 AMAQI
3rd Aug 2026519 AMAQI
3rd Aug 20265010 AMAQI
3rd Aug 20265511 AMAQI
3rd Aug 20266412 PMAQI
3rd Aug 2026591 PMAQI
3rd Aug 2026592 PMAQI
3rd Aug 2026573 PMAQI
3rd Aug 2026574 PMAQI
3rd Aug 2026635 PMAQI
3rd Aug 2026566 PMAQI
3rd Aug 2026647 PMAQI
3rd Aug 2026638 PMAQI
3rd Aug 2026599 PMAQI
3rd Aug 20266010 PMAQI
3rd Aug 20265511 PMAQI
4th Aug 20265312 AMAQI
4th Aug 2026551 AMAQI
4th Aug 2026482 AMAQI
4th Aug 2026503 AMAQI
4th Aug 2026504 AMAQI

29°C25/35°C

4th Aug 2026445 AMAQI
4th Aug 2026466 AMAQI
4th Aug 2026507 AMAQI
4th Aug 2026568 AMAQI
4th Aug 2026569 AMAQI
4th Aug 20265510 AMAQI
4th Aug 20265511 AMAQI
4th Aug 20265712 PMAQI
4th Aug 2026571 PMAQI
4th Aug 2026572 PMAQI
4th Aug 2026543 PMAQI
4th Aug 2026534 PMAQI
4th Aug 2026555 PMAQI
4th Aug 2026446 PMAQI
4th Aug 2026407 PMAQI
4th Aug 2026448 PMAQI
4th Aug 2026389 PMAQI
4th Aug 20264410 PMAQI
4th Aug 20264611 PMAQI
5th Aug 20265012 AMAQI
5th Aug 2026511 AMAQI
5th Aug 2026512 AMAQI
5th Aug 2026443 AMAQI
5th Aug 2026444 AMAQI

29°C25/33°C

5th Aug 2026475 AMAQI
5th Aug 2026506 AMAQI
5th Aug 2026487 AMAQI
5th Aug 2026528 AMAQI
5th Aug 2026429 AMAQI
5th Aug 20265010 AMAQI
5th Aug 20264411 AMAQI
5th Aug 20264612 PMAQI
5th Aug 2026531 PMAQI
5th Aug 2026552 PMAQI
5th Aug 2026543 PMAQI
5th Aug 2026504 PMAQI
5th Aug 2026515 PMAQI
5th Aug 2026476 PMAQI
5th Aug 2026447 PMAQI
5th Aug 2026478 PMAQI
5th Aug 2026499 PMAQI
5th Aug 20264610 PMAQI
5th Aug 20264011 PMAQI
6th Aug 20263612 AMAQI
6th Aug 2026311 AMAQI
6th Aug 2026312 AMAQI
6th Aug 2026313 AMAQI
6th Aug 2026294 AMAQI

28°C25/32°C

6th Aug 2026275 AMAQI
6th Aug 2026296 AMAQI
6th Aug 2026297 AMAQI
6th Aug 2026318 AMAQI
6th Aug 2026299 AMAQI
6th Aug 20262910 AMAQI
6th Aug 20262511 AMAQI
6th Aug 20262512 PMAQI
6th Aug 2026251 PMAQI
6th Aug 2026212 PMAQI
6th Aug 2026253 PMAQI
6th Aug 2026254 PMAQI
6th Aug 2026255 PMAQI
6th Aug 2026276 PMAQI
6th Aug 2026257 PMAQI
6th Aug 2026278 PMAQI
6th Aug 2026259 PMAQI
6th Aug 20262110 PMAQI
6th Aug 20262111 PMAQI
7th Aug 20262112 AMAQI
7th Aug 2026211 AMAQI
7th Aug 2026212 AMAQI
7th Aug 2026233 AMAQI
7th Aug 2026234 AMAQI

29°C24/36°C

7th Aug 2026235 AMAQI
7th Aug 2026256 AMAQI
7th Aug 2026217 AMAQI
7th Aug 2026218 AMAQI
7th Aug 2026239 AMAQI
7th Aug 20262110 AMAQI
7th Aug 20262311 AMAQI
7th Aug 20262112 PMAQI
7th Aug 2026321 PMAQI
7th Aug 2026362 PMAQI
7th Aug 2026253 PMAQI
7th Aug 2026214 PMAQI
7th Aug 2026275 PMAQI
7th Aug 2026256 PMAQI
7th Aug 2026257 PMAQI
7th Aug 2026258 PMAQI
7th Aug 2026279 PMAQI
7th Aug 20262510 PMAQI
7th Aug 20262311 PMAQI
8th Aug 20262512 AMAQI
8th Aug 2026251 AMAQI
8th Aug 2026212 AMAQI
8th Aug 2026233 AMAQI
8th Aug 2026214 AMAQI

29°C25/35°C

8th Aug 2026235 AMAQI
8th Aug 2026236 AMAQI
8th Aug 2026217 AMAQI
8th Aug 2026218 AMAQI
8th Aug 2026219 AMAQI
8th Aug 20262110 AMAQI
8th Aug 20262111 AMAQI
8th Aug 20262512 PMAQI
8th Aug 2026251 PMAQI
8th Aug 2026302 PMAQI
8th Aug 2026213 PMAQI
8th Aug 2026214 PMAQI
8th Aug 2026215 PMAQI
8th Aug 2026216 PMAQI
8th Aug 2026217 PMAQI
8th Aug 2026278 PMAQI
8th Aug 2026239 PMAQI
8th Aug 20262110 PMAQI
8th Aug 20262111 PMAQI
9th Aug 20262112 AMAQI
9th Aug 2026251 AMAQI
9th Aug 2026212 AMAQI
9th Aug 2026213 AMAQI
9th Aug 2026214 AMAQI

30°C26/35°C

9th Aug 2026215 AMAQI
9th Aug 2026256 AMAQI
9th Aug 2026217 AMAQI
9th Aug 2026218 AMAQI
9th Aug 2026219 AMAQI
9th Aug 20262510 AMAQI
9th Aug 20262511 AMAQI
9th Aug 20262512 PMAQI
9th Aug 2026211 PMAQI
9th Aug 2026232 PMAQI
9th Aug 2026253 PMAQI
9th Aug 2026214 PMAQI
9th Aug 2026215 PMAQI
9th Aug 2026216 PMAQI
9th Aug 2026217 PMAQI
9th Aug 2026258 PMAQI
9th Aug 2026299 PMAQI
9th Aug 20263310 PMAQI
9th Aug 20263111 PMAQI
10th Aug 20263112 AMAQI
10th Aug 2026291 AMAQI
10th Aug 2026292 AMAQI
10th Aug 2026293 AMAQI
10th Aug 2026254 AMAQI

28°C24/35°C

10th Aug 2026275 AMAQI
10th Aug 2026276 AMAQI
10th Aug 2026257 AMAQI
10th Aug 2026258 AMAQI
10th Aug 2026239 AMAQI
10th Aug 20262310 AMAQI
10th Aug 20262511 AMAQI
10th Aug 20262712 PMAQI
10th Aug 2026251 PMAQI
10th Aug 2026232 PMAQI
10th Aug 2026253 PMAQI
10th Aug 2026254 PMAQI
10th Aug 2026275 PMAQI
10th Aug 2026256 PMAQI
10th Aug 2026277 PMAQI
10th Aug 2026278 PMAQI
10th Aug 2026319 PMAQI
10th Aug 20263110 PMAQI
10th Aug 20263311 PMAQI
11th Aug 20263112 AMAQI
11th Aug 2026291 AMAQI
11th Aug 2026292 AMAQI
11th Aug 2026313 AMAQI
11th Aug 2026294 AMAQI

28°C24/33°C

11th Aug 2026275 AMAQI
11th Aug 2026276 AMAQI
11th Aug 2026297 AMAQI
11th Aug 2026278 AMAQI
11th Aug 2026259 AMAQI
11th Aug 20262310 AMAQI
11th Aug 20262711 AMAQI
11th Aug 20262712 PMAQI
11th Aug 2026251 PMAQI
11th Aug 2026252 PMAQI
11th Aug 2026253 PMAQI
11th Aug 2026254 PMAQI
11th Aug 2026255 PMAQI
11th Aug 2026236 PMAQI
11th Aug 2026257 PMAQI
11th Aug 2026238 PMAQI
11th Aug 2026219 PMAQI
11th Aug 20262110 PMAQI
11th Aug 20262111 PMAQI
12th Aug 20262112 AMAQI
12th Aug 2026211 AMAQI
12th Aug 2026232 AMAQI
12th Aug 2026213 AMAQI
12th Aug 2026234 AMAQI

26°C22/30°C

12th Aug 2026215 AMAQI
12th Aug 2026216 AMAQI
12th Aug 2026257 AMAQI
12th Aug 2026238 AMAQI
12th Aug 2026219 AMAQI
12th Aug 20262110 AMAQI
12th Aug 20262111 AMAQI
12th Aug 20262312 PMAQI
12th Aug 2026211 PMAQI
12th Aug 2026212 PMAQI
12th Aug 2026233 PMAQI
12th Aug 2026254 PMAQI
12th Aug 2026215 PMAQI
12th Aug 2026216 PMAQI
12th Aug 2026217 PMAQI
12th Aug 2026258 PMAQI
12th Aug 2026239 PMAQI
12th Aug 20262310 PMAQI
12th Aug 20262511 PMAQI
13th Aug 20262312 AMAQI
13th Aug 2026251 AMAQI
13th Aug 2026252 AMAQI
13th Aug 2026233 AMAQI
13th Aug 2026254 AMAQI

26°C21/30°C

13th Aug 2026235 AMAQI
13th Aug 2026236 AMAQI
13th Aug 2026237 AMAQI
13th Aug 2026238 AMAQI
13th Aug 2026239 AMAQI
13th Aug 20262110 AMAQI
13th Aug 20262111 AMAQI
13th Aug 20262712 PMAQI
13th Aug 2026311 PMAQI
13th Aug 2026402 PMAQI
13th Aug 2026383 PMAQI
13th Aug 2026404 PMAQI
13th Aug 2026385 PMAQI
13th Aug 2026366 PMAQI
13th Aug 2026387 PMAQI
13th Aug 2026408 PMAQI
13th Aug 2026389 PMAQI
13th Aug 20263610 PMAQI
13th Aug 20263611 PMAQI
14th Aug 20263612 AMAQI
14th Aug 2026331 AMAQI
14th Aug 2026332 AMAQI
14th Aug 2026333 AMAQI
14th Aug 2026314 AMAQI

26°C23/29°C

14th Aug 2026315 AMAQI
5 AM
14th Aug 2026336 AMAQI
14th Aug 2026317 AMAQI
14th Aug 2026298 AMAQI
14th Aug 2026279 AMAQI
14th Aug 20262510 AMAQI
14th Aug 20262711 AMAQI
14th Aug 20263112 PMAQI
12 PM
14th Aug 2026331 PMAQI
14th Aug 2026382 PMAQI
14th Aug 2026383 PMAQI
14th Aug 2026314 PMAQI
14th Aug 2026445 PMAQI
14th Aug 2026556 PMAQI
14th Aug 2026527 PMAQI
7 PM
14th Aug 2026508 PMAQI
14th Aug 2026719 PMAQI
14th Aug 20263610 PMAQI
14th Aug 20262511 PMAQI
12 AM
4 AM

26°C21/31°C

Day time
Avg. Highest Time
7 PM

33AQI

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

28AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 7 PM (Avg. 33), while the lowest AQI was between 9 AM to 9 AM (Avg. 28).
Night time
Avg. Highest Time
8 PM - 9 PM

32AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
3 AM - 4 AM

29AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 9 PM (Avg. 32), while the lowest AQI was between 3 AM to 4 AM (Avg. 29).

2026 Days Vs Air Quality

Fukuishicho, Sato, Nagasaki, Japan

2026

82%

186

18%

40

Total number of days with different AQI categories in last 226 days in 2026 (139 days remaining)

Good
186 Days
Moderate
40 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 82%

Health Risk Level:

Low

In 2026, 82% of 226 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

Fukuishicho, Sato, 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
22AQI (US)
2nd January 2026
27AQI (US)
3rd January 2026
39AQI (US)
4th January 2026
57AQI (US)
5th January 2026
59AQI (US)
6th January 2026
29AQI (US)
7th January 2026
48AQI (US)
8th January 2026
33AQI (US)
9th January 2026
30AQI (US)
10th January 2026
44AQI (US)
11th January 2026
31AQI (US)
12th January 2026
32AQI (US)
13th January 2026
48AQI (US)
14th January 2026
34AQI (US)
15th January 2026
44AQI (US)
16th January 2026
67AQI (US)
17th January 2026
61AQI (US)
18th January 2026
62AQI (US)
19th January 2026
70AQI (US)
20th January 2026
40AQI (US)
21st January 2026
22AQI (US)
22nd January 2026
26AQI (US)
23rd January 2026
41AQI (US)
24th January 2026
44AQI (US)
25th January 2026
28AQI (US)
26th January 2026
16AQI (US)
27th January 2026
37AQI (US)
28th January 2026
20AQI (US)
29th January 2026
40AQI (US)
30th January 2026
33AQI (US)
31st January 2026
15AQI (US)
1st February 2026
56AQI (US)
2nd February 2026
41AQI (US)
3rd February 2026
37AQI (US)
4th February 2026
26AQI (US)
5th February 2026
24AQI (US)
6th February 2026
51AQI (US)
7th February 2026
31AQI (US)
8th February 2026
22AQI (US)
9th February 2026
39AQI (US)
10th February 2026
40AQI (US)
11th February 2026
47AQI (US)
12th February 2026
61AQI (US)
13th February 2026
57AQI (US)
14th February 2026
57AQI (US)
15th February 2026
41AQI (US)
16th February 2026
57AQI (US)
17th February 2026
26AQI (US)
18th February 2026
31AQI (US)
19th February 2026
49AQI (US)
20th February 2026
43AQI (US)
21st February 2026
48AQI (US)
22nd February 2026
31AQI (US)
23rd February 2026
33AQI (US)
24th February 2026
23AQI (US)
25th February 2026
29AQI (US)
26th February 2026
34AQI (US)
27th February 2026
49AQI (US)
28th February 2026
39AQI (US)
1st March 2026
35AQI (US)
2nd March 2026
54AQI (US)
3rd March 2026
39AQI (US)
4th March 2026
42AQI (US)
5th March 2026
48AQI (US)
6th March 2026
49AQI (US)
7th March 2026
52AQI (US)
8th March 2026
39AQI (US)
9th March 2026
49AQI (US)
10th March 2026
45AQI (US)
11th March 2026
38AQI (US)
12th March 2026
54AQI (US)
13th March 2026
38AQI (US)
14th March 2026
43AQI (US)
15th March 2026
57AQI (US)
16th March 2026
51AQI (US)
17th March 2026
29AQI (US)
18th March 2026
49AQI (US)
19th March 2026
51AQI (US)
20th March 2026
43AQI (US)
21st March 2026
30AQI (US)
22nd March 2026
36AQI (US)
23rd March 2026
38AQI (US)
24th March 2026
55AQI (US)
25th March 2026
65AQI (US)
26th March 2026
22AQI (US)
27th March 2026
72AQI (US)
28th March 2026
98AQI (US)
29th March 2026
96AQI (US)
30th March 2026
53AQI (US)
31st March 2026
23AQI (US)
1st April 2026
26AQI (US)
2nd April 2026
55AQI (US)
3rd April 2026
54AQI (US)
4th April 2026
37AQI (US)
5th April 2026
40AQI (US)
6th April 2026
55AQI (US)
7th April 2026
29AQI (US)
8th April 2026
24AQI (US)
9th April 2026
31AQI (US)
10th April 2026
43AQI (US)
11th April 2026
33AQI (US)
12th April 2026
49AQI (US)
13th April 2026
38AQI (US)
14th April 2026
26AQI (US)
15th April 2026
32AQI (US)
16th April 2026
38AQI (US)
17th April 2026
34AQI (US)
18th April 2026
28AQI (US)
19th April 2026
28AQI (US)
20th April 2026
30AQI (US)
21st April 2026
44AQI (US)
22nd April 2026
46AQI (US)
23rd April 2026
13AQI (US)
24th April 2026
37AQI (US)
25th April 2026
45AQI (US)
26th April 2026
47AQI (US)
27th April 2026
53AQI (US)
28th April 2026
46AQI (US)
29th April 2026
35AQI (US)
30th April 2026
31AQI (US)
1st May 2026
52AQI (US)
2nd May 2026
48AQI (US)
3rd May 2026
36AQI (US)
4th May 2026
22AQI (US)
5th May 2026
24AQI (US)
6th May 2026
29AQI (US)
7th May 2026
32AQI (US)
8th May 2026
27AQI (US)
9th May 2026
30AQI (US)
10th May 2026
31AQI (US)
11th May 2026
32AQI (US)
12th May 2026
32AQI (US)
13th May 2026
36AQI (US)
14th May 2026
30AQI (US)
15th May 2026
32AQI (US)
16th May 2026
76AQI (US)
17th May 2026
62AQI (US)
18th May 2026
53AQI (US)
19th May 2026
46AQI (US)
20th May 2026
61AQI (US)
21st May 2026
66AQI (US)
22nd May 2026
68AQI (US)
23rd May 2026
61AQI (US)
24th May 2026
63AQI (US)
25th May 2026
55AQI (US)
26th May 2026
41AQI (US)
27th May 2026
23AQI (US)
28th May 2026
25AQI (US)
29th May 2026
26AQI (US)
30th May 2026
26AQI (US)
31st May 2026
35AQI (US)
1st June 2026
61AQI (US)
2nd June 2026
18AQI (US)
3rd June 2026
17AQI (US)
4th June 2026
23AQI (US)
5th June 2026
22AQI (US)
6th June 2026
36AQI (US)
7th June 2026
18AQI (US)
8th June 2026
21AQI (US)
9th June 2026
24AQI (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
24AQI (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
29AQI (US)
27th June 2026
26AQI (US)
28th June 2026
26AQI (US)
29th June 2026
25AQI (US)
30th June 2026
23AQI (US)
1st July 2026
22AQI (US)
2nd July 2026
21AQI (US)
3rd July 2026
25AQI (US)
4th July 2026
25AQI (US)
5th July 2026
19AQI (US)
6th July 2026
22AQI (US)
7th July 2026
26AQI (US)
8th July 2026
26AQI (US)
9th July 2026
23AQI (US)
10th July 2026
30AQI (US)
11th July 2026
29AQI (US)
12th July 2026
27AQI (US)
13th July 2026
28AQI (US)
14th July 2026
28AQI (US)
15th July 2026
28AQI (US)
16th July 2026
29AQI (US)
17th July 2026
31AQI (US)
18th July 2026
33AQI (US)
19th July 2026
33AQI (US)
20th July 2026
32AQI (US)
21st July 2026
30AQI (US)
22nd July 2026
28AQI (US)
23rd July 2026
26AQI (US)
24th July 2026
26AQI (US)
25th July 2026
22AQI (US)
26th July 2026
24AQI (US)
27th July 2026
24AQI (US)
28th July 2026
25AQI (US)
29th July 2026
25AQI (US)
30th July 2026
24AQI (US)
31st July 2026
22AQI (US)
1st August 2026
29AQI (US)
2nd August 2026
44AQI (US)
3rd August 2026
57AQI (US)
4th August 2026
50AQI (US)
5th August 2026
48AQI (US)
6th August 2026
27AQI (US)
7th August 2026
24AQI (US)
8th August 2026
23AQI (US)
9th August 2026
24AQI (US)
10th August 2026
27AQI (US)
11th August 2026
26AQI (US)
12th August 2026
22AQI (US)
13th August 2026
30AQI (US)
14th August 2026
36AQI (US)
15th August 2026
16th August 2026
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

39AQI (US)

40AQI (US)

48AQI (US)

38AQI (US)

41AQI (US)

25AQI (US)

26AQI (US)

33AQI (US)

No. of days

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

202636AQI (US)

25
6
22
6
19
12
26
4
21
10
29
1
31
13
1
186
40

Highest AQI (US) recorded in

March

48AQI (US)

Lowest AQI (US) recorded in

June

25AQI (US)

202546AQI (US)

24
7
25
3
16
15
19
11
22
9
27
3
22
9
23
8
30
10
21
5
25
18
13
241
124

Highest AQI (US) recorded in

October

55AQI (US)

Lowest AQI (US) recorded in

September

33AQI (US)

202440AQI (US)

25
5
23
5
1
22
9
16
12
2
20
11
22
8
31
25
6
24
6
30
1
26
4
29
2
293
69
3

Highest AQI (US) recorded in

April

53AQI (US)

Lowest AQI (US) recorded in

July

26AQI (US)

202342AQI (US)

20
8
2
20
8
18
13
14
16
24
7
23
7
24
7
26
5
28
2
30
1
22
5
25
6
274
85
2

Highest AQI (US) recorded in

April

54AQI (US)

Lowest AQI (US) recorded in

August

33AQI (US)

202242AQI (US)

22
7
16
5
17
14
22
8
19
12
25
5
20
1
1
25
3
27
4
21
9
29
2
244
70

Highest AQI (US) recorded in

March

51AQI (US)

Lowest AQI (US) recorded in

October

36AQI (US)

202140AQI (US)

21
9
22
6
17
12
15
6
20
11
19
11
30
1
30
1
28
2
25
6
18
12
24
7
269
84

Highest AQI (US) recorded in

May

47AQI (US)

Lowest AQI (US) recorded in

August

29AQI (US)

202040AQI (US)

9
4
10
11
9
9
23
7
30
1
14
8
3
1
13
2
25
6
134
48
3

Highest AQI (US) recorded in

April

47AQI (US)

Lowest AQI (US) recorded in

September

0AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
46AQI (US)
Least Polluted Year Recorded
2026(Avg.)
36AQI (US)

Fukuishicho's annual 2026 AQI (US) (36) shows an average percentage change of -13.3% (improved AQI (US)) compared to previous years: 2020 (40), 2021 (40), 2022 (42), 2023 (42), 2024 (40), 2025 (46).