Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Kawatana, 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

Kawatana, Sato, Nagasaki, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
21st Aug 2023
62AQI
Lowest AQI recorded on
29th Aug 2024
12AQI

Same Day Analysis (13th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 27 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.

Day & Night AQI Trend: 12th Aug - 13th Aug 2026

Kawatana, Sato, Nagasaki, Japan

AQI
Day
Night
.

5 AM12th Aug 2026

7 PM

4 AM13th Aug 2026

Day time
Avg. Highest Time
7AM12th Aug

32AQI

Avg. Lowest Time
7PM12th Aug

21AQI

Night time
Avg. Highest Time
8PM12th Aug

23AQI

Avg. Lowest Time
4AM13th Aug

21AQI

In the last 24 hours,

Kawatana's AQI reached its highest point of 32 at 7 AM during the Day, while the lowest point, 21, was recorded at 4 AM during the Night between 12th Aug and 13th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Kawatana, Sato, Nagasaki, Japan

JulAug
15th - 16th16th - 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
Day
Night
15th Jul 2026345 AMAQI
15th Jul 2026286 AMAQI
15th Jul 2026307 AMAQI
15th Jul 2026308 AMAQI
15th Jul 2026289 AMAQI
15th Jul 20262810 AMAQI
15th Jul 20262411 AMAQI
15th Jul 20262412 PMAQI
15th Jul 2026201 PMAQI
15th Jul 2026222 PMAQI
15th Jul 2026193 PMAQI
15th Jul 2026224 PMAQI
15th Jul 2026265 PMAQI
15th Jul 2026286 PMAQI
15th Jul 2026327 PMAQI
15th Jul 2026268 PMAQI
15th Jul 2026229 PMAQI
15th Jul 20262510 PMAQI
15th Jul 20262411 PMAQI
16th Jul 20262512 AMAQI
16th Jul 2026231 AMAQI
16th Jul 2026252 AMAQI
16th Jul 2026273 AMAQI
16th Jul 2026304 AMAQI

27°C26/30°C

16th Jul 2026295 AMAQI
16th Jul 2026266 AMAQI
16th Jul 2026307 AMAQI
16th Jul 2026328 AMAQI
16th Jul 2026309 AMAQI
16th Jul 20262710 AMAQI
16th Jul 20262611 AMAQI
16th Jul 20262412 PMAQI
16th Jul 2026241 PMAQI
16th Jul 2026242 PMAQI
16th Jul 2026253 PMAQI
16th Jul 2026274 PMAQI
16th Jul 2026245 PMAQI
16th Jul 2026256 PMAQI
16th Jul 2026277 PMAQI
16th Jul 2026278 PMAQI
16th Jul 2026269 PMAQI
16th Jul 20262410 PMAQI
16th Jul 20262711 PMAQI
17th Jul 20263012 AMAQI
17th Jul 2026281 AMAQI
17th Jul 2026282 AMAQI
17th Jul 2026283 AMAQI
17th Jul 2026284 AMAQI

27°C25/29°C

17th Jul 2026285 AMAQI
17th Jul 2026286 AMAQI
17th Jul 2026267 AMAQI
17th Jul 2026278 AMAQI
17th Jul 2026309 AMAQI
17th Jul 20263010 AMAQI
17th Jul 20262811 AMAQI
17th Jul 20262812 PMAQI
17th Jul 2026221 PMAQI
17th Jul 2026252 PMAQI
17th Jul 2026203 PMAQI
17th Jul 2026294 PMAQI
17th Jul 2026335 PMAQI
17th Jul 2026316 PMAQI
17th Jul 2026317 PMAQI
17th Jul 2026318 PMAQI
17th Jul 2026369 PMAQI
17th Jul 20262910 PMAQI
17th Jul 20263311 PMAQI
18th Jul 20263112 AMAQI
18th Jul 2026311 AMAQI
18th Jul 2026272 AMAQI
18th Jul 2026253 AMAQI
18th Jul 2026294 AMAQI

27°C25/31°C

18th Jul 2026295 AMAQI
18th Jul 2026256 AMAQI
18th Jul 2026277 AMAQI
18th Jul 2026298 AMAQI
18th Jul 2026259 AMAQI
18th Jul 20262710 AMAQI
18th Jul 20262911 AMAQI
18th Jul 20262712 PMAQI
18th Jul 2026291 PMAQI
18th Jul 2026292 PMAQI
18th Jul 2026313 PMAQI
18th Jul 2026274 PMAQI
18th Jul 2026255 PMAQI
18th Jul 2026296 PMAQI
18th Jul 2026277 PMAQI
18th Jul 2026298 PMAQI
18th Jul 2026259 PMAQI
18th Jul 20262510 PMAQI
18th Jul 20262711 PMAQI
19th Jul 20262512 AMAQI
19th Jul 2026271 AMAQI
19th Jul 2026272 AMAQI
19th Jul 2026273 AMAQI
19th Jul 2026274 AMAQI

27°C25/31°C

19th Jul 2026275 AMAQI
19th Jul 2026256 AMAQI
19th Jul 2026257 AMAQI
19th Jul 2026278 AMAQI
19th Jul 2026259 AMAQI
19th Jul 20262710 AMAQI
19th Jul 20262711 AMAQI
19th Jul 20262712 PMAQI
19th Jul 2026291 PMAQI
19th Jul 2026292 PMAQI
19th Jul 2026293 PMAQI
19th Jul 2026294 PMAQI
19th Jul 2026295 PMAQI
19th Jul 2026296 PMAQI
19th Jul 2026297 PMAQI
19th Jul 2026278 PMAQI
19th Jul 2026299 PMAQI
19th Jul 20262910 PMAQI
19th Jul 20262911 PMAQI
20th Jul 20262712 AMAQI
20th Jul 2026251 AMAQI
20th Jul 2026272 AMAQI
20th Jul 2026253 AMAQI
20th Jul 2026274 AMAQI

28°C24/32°C

20th Jul 2026255 AMAQI
20th Jul 2026256 AMAQI
20th Jul 2026257 AMAQI
20th Jul 2026298 AMAQI
20th Jul 2026279 AMAQI
20th Jul 20262510 AMAQI
20th Jul 20262711 AMAQI
20th Jul 20262512 PMAQI
20th Jul 2026271 PMAQI
20th Jul 2026312 PMAQI
20th Jul 2026253 PMAQI
20th Jul 2026274 PMAQI
20th Jul 2026255 PMAQI
20th Jul 2026256 PMAQI
20th Jul 2026237 PMAQI
20th Jul 2026258 PMAQI
20th Jul 2026249 PMAQI
20th Jul 20262710 PMAQI
20th Jul 20262511 PMAQI
21st Jul 20262512 AMAQI
21st Jul 2026251 AMAQI
21st Jul 2026252 AMAQI
21st Jul 2026233 AMAQI
21st Jul 2026234 AMAQI

28°C24/31°C

21st Jul 2026215 AMAQI
21st Jul 2026236 AMAQI
21st Jul 2026217 AMAQI
21st Jul 2026238 AMAQI
21st Jul 2026259 AMAQI
21st Jul 20262510 AMAQI
21st Jul 20262511 AMAQI
21st Jul 2026251 PMAQI
21st Jul 2026252 PMAQI
21st Jul 2026253 PMAQI
21st Jul 2026234 PMAQI
21st Jul 2026235 PMAQI
21st Jul 2026236 PMAQI
21st Jul 2026747 PMAQI
21st Jul 2026218 PMAQI
21st Jul 2026259 PMAQI
21st Jul 20262510 PMAQI
21st Jul 20262511 PMAQI
22nd Jul 20262712 AMAQI
22nd Jul 2026211 AMAQI
22nd Jul 2026252 AMAQI
22nd Jul 2026233 AMAQI
22nd Jul 2026234 AMAQI

27°C23/31°C

22nd Jul 2026235 AMAQI
22nd Jul 2026236 AMAQI
22nd Jul 2026217 AMAQI
22nd Jul 2026218 AMAQI
22nd Jul 2026239 AMAQI
22nd Jul 20262310 AMAQI
22nd Jul 20262311 AMAQI
22nd Jul 20262312 PMAQI
22nd Jul 2026271 PMAQI
22nd Jul 2026272 PMAQI
22nd Jul 2026273 PMAQI
22nd Jul 2026254 PMAQI
22nd Jul 2026255 PMAQI
22nd Jul 2026256 PMAQI
22nd Jul 2026257 PMAQI
22nd Jul 2026278 PMAQI
22nd Jul 2026259 PMAQI
22nd Jul 20262510 PMAQI
22nd Jul 20262511 PMAQI
23rd Jul 20262312 AMAQI
23rd Jul 2026211 AMAQI
23rd Jul 2026212 AMAQI
23rd Jul 2026253 AMAQI
23rd Jul 2026234 AMAQI

28°C24/33°C

23rd Jul 2026235 AMAQI
23rd Jul 2026236 AMAQI
23rd Jul 2026237 AMAQI
23rd Jul 2026238 AMAQI
23rd Jul 2026239 AMAQI
23rd Jul 20262510 AMAQI
23rd Jul 20262511 AMAQI
23rd Jul 20262112 PMAQI
23rd Jul 2026231 PMAQI
23rd Jul 2026232 PMAQI
23rd Jul 2026213 PMAQI
23rd Jul 2026254 PMAQI
23rd Jul 2026255 PMAQI
23rd Jul 2026256 PMAQI
23rd Jul 2026257 PMAQI
23rd Jul 2026258 PMAQI
23rd Jul 2026259 PMAQI
23rd Jul 20262310 PMAQI
23rd Jul 20262511 PMAQI
24th Jul 20262512 AMAQI
24th Jul 2026251 AMAQI
24th Jul 2026252 AMAQI
24th Jul 2026253 AMAQI
24th Jul 2026234 AMAQI

27°C23/32°C

24th Jul 2026235 AMAQI
24th Jul 2026256 AMAQI
24th Jul 2026237 AMAQI
24th Jul 2026238 AMAQI
24th Jul 2026239 AMAQI
24th Jul 20262910 AMAQI
24th Jul 20262711 AMAQI
24th Jul 20262512 PMAQI
24th Jul 2026271 PMAQI
24th Jul 2026252 PMAQI
24th Jul 2026253 PMAQI
24th Jul 2026234 PMAQI
24th Jul 2026235 PMAQI
24th Jul 2026236 PMAQI
24th Jul 2026237 PMAQI
24th Jul 2026218 PMAQI
24th Jul 2026259 PMAQI
24th Jul 20262310 PMAQI
24th Jul 20262311 PMAQI
25th Jul 20262112 AMAQI
25th Jul 2026231 AMAQI
25th Jul 2026212 AMAQI
25th Jul 2026233 AMAQI
25th Jul 2026214 AMAQI

27°C22/32°C

25th Jul 2026215 AMAQI
25th Jul 2026216 AMAQI
25th Jul 2026257 AMAQI
25th Jul 2026258 AMAQI
25th Jul 2026259 AMAQI
25th Jul 20262110 AMAQI
25th Jul 20262311 AMAQI
25th Jul 20262112 PMAQI
25th Jul 2026211 PMAQI
25th Jul 2026212 PMAQI
25th Jul 2026213 PMAQI
25th Jul 2026254 PMAQI
25th Jul 2026255 PMAQI
25th Jul 2026216 PMAQI
25th Jul 2026217 PMAQI
25th Jul 2026258 PMAQI
25th Jul 2026219 PMAQI
25th Jul 20262310 PMAQI
25th Jul 20262111 PMAQI
26th Jul 20262112 AMAQI
26th Jul 2026231 AMAQI
26th Jul 2026232 AMAQI
26th Jul 2026253 AMAQI
26th Jul 2026214 AMAQI

28°C24/32°C

26th Jul 2026255 AMAQI
26th Jul 2026256 AMAQI
26th Jul 2026257 AMAQI
26th Jul 2026238 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 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 2026253 AMAQI
27th Jul 2026254 AMAQI

28°C24/33°C

27th Jul 2026215 AMAQI
27th Jul 2026296 AMAQI
27th Jul 2026257 AMAQI
27th Jul 2026388 AMAQI
27th Jul 2026259 AMAQI
27th Jul 20262510 AMAQI
27th Jul 20262111 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 2026258 PMAQI
27th Jul 2026259 PMAQI
27th Jul 20262110 PMAQI
27th Jul 20262511 PMAQI
28th Jul 20263312 AMAQI
28th Jul 2026251 AMAQI
28th Jul 2026292 AMAQI
28th Jul 2026213 AMAQI
28th Jul 2026254 AMAQI

28°C24/34°C

28th Jul 2026295 AMAQI
28th Jul 2026296 AMAQI
28th Jul 2026257 AMAQI
28th Jul 2026258 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 2026299 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

28°C23/32°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 2026331 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 20262512 AMAQI
30th Jul 2026251 AMAQI
30th Jul 2026212 AMAQI
30th Jul 2026273 AMAQI
30th Jul 2026274 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 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 2026297 PMAQI
30th Jul 2026258 PMAQI
30th Jul 2026259 PMAQI
30th Jul 20262510 PMAQI
30th Jul 20262111 PMAQI
31st Jul 20262512 AMAQI
31st Jul 2026211 AMAQI
31st Jul 2026332 AMAQI
31st Jul 2026253 AMAQI
31st Jul 2026254 AMAQI

27°C24/31°C

31st Jul 2026215 AMAQI
31st Jul 2026256 AMAQI
31st Jul 2026257 AMAQI
31st Jul 2026258 AMAQI
31st Jul 2026259 AMAQI
31st Jul 20262510 AMAQI
31st Jul 20262111 AMAQI
31st Jul 20262512 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 2026218 PMAQI
31st Jul 2026339 PMAQI
31st Jul 20262510 PMAQI
31st Jul 20262111 PMAQI
1st Aug 20262112 AMAQI
1st Aug 2026251 AMAQI
1st Aug 2026212 AMAQI
1st Aug 2026253 AMAQI
1st Aug 2026214 AMAQI

27°C24/31°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 20262911 AMAQI
1st Aug 20262112 PMAQI
1st Aug 2026251 PMAQI
1st Aug 2026252 PMAQI
1st Aug 2026273 PMAQI
1st Aug 2026294 PMAQI
1st Aug 2026335 PMAQI
1st Aug 2026296 PMAQI
1st Aug 2026387 PMAQI
1st Aug 2026338 PMAQI
1st Aug 2026339 PMAQI
1st Aug 20263610 PMAQI
1st Aug 20263811 PMAQI
2nd Aug 20263812 AMAQI
2nd Aug 2026361 AMAQI
2nd Aug 2026312 AMAQI
2nd Aug 2026313 AMAQI
2nd Aug 2026364 AMAQI

28°C24/33°C

2nd Aug 2026315 AMAQI
2nd Aug 2026336 AMAQI
2nd Aug 2026297 AMAQI
2nd Aug 2026298 AMAQI
2nd Aug 2026319 AMAQI
2nd Aug 20262910 AMAQI
2nd Aug 20262911 AMAQI
2nd Aug 20265012 PMAQI
2nd Aug 2026461 PMAQI
2nd Aug 2026492 PMAQI
2nd Aug 2026523 PMAQI
2nd Aug 2026514 PMAQI
2nd Aug 2026535 PMAQI
2nd Aug 2026426 PMAQI
2nd Aug 2026477 PMAQI
2nd Aug 2026508 PMAQI
2nd Aug 2026519 PMAQI
2nd Aug 20264410 PMAQI
2nd Aug 20264211 PMAQI
3rd Aug 20264712 AMAQI
3rd Aug 2026521 AMAQI
3rd Aug 2026502 AMAQI
3rd Aug 2026553 AMAQI
3rd Aug 2026564 AMAQI

28°C24/34°C

3rd Aug 2026545 AMAQI
3rd Aug 2026516 AMAQI
3rd Aug 2026587 AMAQI
3rd Aug 2026588 AMAQI
3rd Aug 2026509 AMAQI
3rd Aug 20265310 AMAQI
3rd Aug 20265611 AMAQI
3rd Aug 20266012 PMAQI
3rd Aug 2026591 PMAQI
3rd Aug 2026562 PMAQI
3rd Aug 2026553 PMAQI
3rd Aug 2026574 PMAQI
3rd Aug 2026565 PMAQI
3rd Aug 2026556 PMAQI
3rd Aug 2026597 PMAQI
3rd Aug 2026568 PMAQI
3rd Aug 2026559 PMAQI
3rd Aug 20265110 PMAQI
3rd Aug 20264811 PMAQI
4th Aug 20265112 AMAQI
4th Aug 2026521 AMAQI
4th Aug 2026522 AMAQI
4th Aug 2026463 AMAQI
4th Aug 2026464 AMAQI

29°C24/36°C

4th Aug 2026465 AMAQI
4th Aug 2026486 AMAQI
4th Aug 2026477 AMAQI
4th Aug 2026538 AMAQI
4th Aug 2026529 AMAQI
4th Aug 20265110 AMAQI
4th Aug 20265211 AMAQI
4th Aug 20265112 PMAQI
4th Aug 2026511 PMAQI
4th Aug 2026482 PMAQI
4th Aug 2026523 PMAQI
4th Aug 2026484 PMAQI
4th Aug 2026465 PMAQI
4th Aug 2026386 PMAQI
4th Aug 2026297 PMAQI
4th Aug 2026338 PMAQI
4th Aug 2026299 PMAQI
4th Aug 20263110 PMAQI
4th Aug 20263311 PMAQI
5th Aug 20264212 AMAQI
5th Aug 2026421 AMAQI
5th Aug 2026492 AMAQI
5th Aug 2026423 AMAQI
5th Aug 2026334 AMAQI

29°C25/34°C

5th Aug 2026405 AMAQI
5th Aug 2026446 AMAQI
5th Aug 2026447 AMAQI
5th Aug 2026518 AMAQI
5th Aug 2026409 AMAQI
5th Aug 20264410 AMAQI
5th Aug 20264011 AMAQI
5th Aug 20264512 PMAQI
5th Aug 2026521 PMAQI
5th Aug 2026542 PMAQI
5th Aug 2026513 PMAQI
5th Aug 2026424 PMAQI
5th Aug 2026425 PMAQI
5th Aug 2026406 PMAQI
5th Aug 2026407 PMAQI
5th Aug 2026448 PMAQI
5th Aug 2026459 PMAQI
5th Aug 20263310 PMAQI
5th Aug 20263611 PMAQI
6th Aug 20263212 AMAQI
6th Aug 2026231 AMAQI
6th Aug 2026232 AMAQI
6th Aug 2026213 AMAQI
6th Aug 2026214 AMAQI

28°C25/32°C

6th Aug 2026255 AMAQI
6th Aug 2026256 AMAQI
6th Aug 2026257 AMAQI
6th Aug 2026278 AMAQI
6th Aug 2026259 AMAQI
6th Aug 20262910 AMAQI
6th Aug 20262111 AMAQI
6th Aug 20262312 PMAQI
6th Aug 2026291 PMAQI
6th Aug 2026312 PMAQI
6th Aug 2026273 PMAQI
6th Aug 2026274 PMAQI
6th Aug 2026255 PMAQI
6th Aug 2026236 PMAQI
6th Aug 2026217 PMAQI
6th Aug 2026258 PMAQI
6th Aug 2026259 PMAQI
6th Aug 20262510 PMAQI
6th Aug 20262511 PMAQI
7th Aug 20262512 AMAQI
7th Aug 2026251 AMAQI
7th Aug 2026272 AMAQI
7th Aug 2026253 AMAQI
7th Aug 2026214 AMAQI

29°C23/36°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 2026402 PMAQI
7th Aug 2026213 PMAQI
7th Aug 2026214 PMAQI
7th Aug 2026235 PMAQI
7th Aug 2026216 PMAQI
7th Aug 2026237 PMAQI
7th Aug 2026218 PMAQI
7th Aug 2026219 PMAQI
7th Aug 20262110 PMAQI
7th Aug 20262311 PMAQI
8th Aug 20262112 AMAQI
8th Aug 2026211 AMAQI
8th Aug 2026212 AMAQI
8th Aug 2026213 AMAQI
8th Aug 2026294 AMAQI

30°C25/35°C

8th Aug 2026255 AMAQI
8th Aug 2026256 AMAQI
8th Aug 2026257 AMAQI
8th Aug 2026218 AMAQI
8th Aug 2026219 AMAQI
8th Aug 20262910 AMAQI
8th Aug 20263311 AMAQI
8th Aug 20262512 PMAQI
8th Aug 2026251 PMAQI
8th Aug 2026382 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 2026251 AMAQI
9th Aug 2026252 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 20262110 AMAQI
9th Aug 20262911 AMAQI
9th Aug 20262912 PMAQI
9th Aug 2026211 PMAQI
9th Aug 2026252 PMAQI
9th Aug 2026253 PMAQI
9th Aug 2026214 PMAQI
9th Aug 2026255 PMAQI
9th Aug 2026296 PMAQI
9th Aug 2026217 PMAQI
9th Aug 2026278 PMAQI
9th Aug 2026329 PMAQI
9th Aug 20262110 PMAQI
9th Aug 20262311 PMAQI
10th Aug 20262312 AMAQI
10th Aug 2026211 AMAQI
10th Aug 2026212 AMAQI
10th Aug 2026213 AMAQI
10th Aug 2026214 AMAQI

28°C24/35°C

10th Aug 2026215 AMAQI
10th Aug 2026216 AMAQI
10th Aug 2026237 AMAQI
10th Aug 2026218 AMAQI
10th Aug 2026239 AMAQI
10th Aug 20262510 AMAQI
10th Aug 20262311 AMAQI
10th Aug 20262312 PMAQI
10th Aug 2026231 PMAQI
10th Aug 2026212 PMAQI
10th Aug 2026213 PMAQI
10th Aug 2026214 PMAQI
10th Aug 2026215 PMAQI
10th Aug 2026256 PMAQI
10th Aug 2026297 PMAQI
10th Aug 2026278 PMAQI
10th Aug 2026259 PMAQI
10th Aug 20262510 PMAQI
10th Aug 20262511 PMAQI
11th Aug 20262112 AMAQI
11th Aug 2026231 AMAQI
11th Aug 2026212 AMAQI
11th Aug 2026213 AMAQI
11th Aug 2026214 AMAQI

28°C24/33°C

11th Aug 2026215 AMAQI
11th Aug 2026236 AMAQI
11th Aug 2026257 AMAQI
11th Aug 2026238 AMAQI
11th Aug 2026239 AMAQI
11th Aug 20262510 AMAQI
11th Aug 20262911 AMAQI
11th Aug 20262512 PMAQI
11th Aug 2026251 PMAQI
11th Aug 2026292 PMAQI
11th Aug 2026273 PMAQI
11th Aug 2026254 PMAQI
11th Aug 2026255 PMAQI
11th Aug 2026256 PMAQI
11th Aug 2026297 PMAQI
11th Aug 2026258 PMAQI
11th Aug 2026219 PMAQI
11th Aug 20262910 PMAQI
11th Aug 20263311 PMAQI
12th Aug 20262912 AMAQI
12th Aug 2026231 AMAQI
12th Aug 2026252 AMAQI
12th Aug 2026213 AMAQI
12th Aug 2026254 AMAQI

26°C22/30°C

12th Aug 2026255 AMAQI
12th Aug 2026256 AMAQI
12th Aug 2026327 AMAQI
12th Aug 2026238 AMAQI
12th Aug 2026259 AMAQI
12th Aug 20262510 AMAQI
12th Aug 20262911 AMAQI
12th Aug 20262912 PMAQI
12th Aug 2026251 PMAQI
12th Aug 2026212 PMAQI
12th Aug 2026253 PMAQI
12th Aug 2026214 PMAQI
12th Aug 2026215 PMAQI
12th Aug 2026236 PMAQI
12th Aug 2026217 PMAQI
12th Aug 2026238 PMAQI
12th Aug 2026219 PMAQI
12th Aug 20262110 PMAQI
12th Aug 20262111 PMAQI
13th Aug 20262112 AMAQI
13th Aug 2026211 AMAQI
13th Aug 2026212 AMAQI
13th Aug 2026213 AMAQI
13th Aug 2026214 AMAQI

25°C20/31°C

13th Aug 2026235 AMAQI
5 AM
13th Aug 2026216 AMAQI
13th Aug 2026217 AMAQI
13th Aug 2026218 AMAQI
13th Aug 2026239 AMAQI
13th Aug 20262310 AMAQI
13th Aug 20262111 AMAQI
13th Aug 20262712 PMAQI
12 PM
13th Aug 2026311 PMAQI
13th Aug 2026382 PMAQI
13th Aug 2026363 PMAQI
13th Aug 2026364 PMAQI
13th Aug 2026385 PMAQI
13th Aug 2026336 PMAQI
13th Aug 2026317 PMAQI
7 PM
13th Aug 2026338 PMAQI
13th Aug 2026319 PMAQI
13th Aug 20263110 PMAQI
13th Aug 20262911 PMAQI
12 AM
4 AM

25°C22/29°C

Day time
Avg. Highest Time
2 PM

30AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
5 AM - 7 AM

27AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 PM to 2 PM (Avg. 30), while the lowest AQI was between 5 AM to 7 AM (Avg. 27).
Night time
Avg. Highest Time
9 PM

29AQI

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

27AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 9 PM (Avg. 29), while the lowest AQI was between 1 AM to 4 AM (Avg. 27).

2026 Days Vs Air Quality

Kawatana, Sato, Nagasaki, Japan

2026

85%

192

15%

33

Total number of days with different AQI categories in last 225 days in 2026 (140 days remaining)

Good
192 Days
Moderate
33 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 85%

Health Risk Level:

Low

In 2026, 85% of 225 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

Kawatana, 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
18AQI (US)
2nd January 2026
26AQI (US)
3rd January 2026
27AQI (US)
4th January 2026
48AQI (US)
5th January 2026
50AQI (US)
6th January 2026
29AQI (US)
7th January 2026
42AQI (US)
8th January 2026
23AQI (US)
9th January 2026
22AQI (US)
10th January 2026
43AQI (US)
11th January 2026
29AQI (US)
12th January 2026
31AQI (US)
13th January 2026
35AQI (US)
14th January 2026
30AQI (US)
15th January 2026
43AQI (US)
16th January 2026
57AQI (US)
17th January 2026
60AQI (US)
18th January 2026
71AQI (US)
19th January 2026
74AQI (US)
20th January 2026
41AQI (US)
21st January 2026
18AQI (US)
22nd January 2026
22AQI (US)
23rd January 2026
38AQI (US)
24th January 2026
43AQI (US)
25th January 2026
21AQI (US)
26th January 2026
14AQI (US)
27th January 2026
32AQI (US)
28th January 2026
18AQI (US)
29th January 2026
39AQI (US)
30th January 2026
28AQI (US)
31st January 2026
12AQI (US)
1st February 2026
53AQI (US)
2nd February 2026
31AQI (US)
3rd February 2026
31AQI (US)
4th February 2026
25AQI (US)
5th February 2026
24AQI (US)
6th February 2026
48AQI (US)
7th February 2026
29AQI (US)
8th February 2026
19AQI (US)
9th February 2026
34AQI (US)
10th February 2026
38AQI (US)
11th February 2026
43AQI (US)
12th February 2026
51AQI (US)
13th February 2026
46AQI (US)
14th February 2026
50AQI (US)
15th February 2026
40AQI (US)
16th February 2026
53AQI (US)
17th February 2026
23AQI (US)
18th February 2026
30AQI (US)
19th February 2026
48AQI (US)
20th February 2026
33AQI (US)
21st February 2026
44AQI (US)
22nd February 2026
30AQI (US)
23rd February 2026
28AQI (US)
24th February 2026
15AQI (US)
25th February 2026
26AQI (US)
26th February 2026
28AQI (US)
27th February 2026
48AQI (US)
28th February 2026
38AQI (US)
1st March 2026
35AQI (US)
2nd March 2026
53AQI (US)
3rd March 2026
38AQI (US)
4th March 2026
42AQI (US)
5th March 2026
46AQI (US)
6th March 2026
48AQI (US)
7th March 2026
52AQI (US)
8th March 2026
37AQI (US)
9th March 2026
47AQI (US)
10th March 2026
41AQI (US)
11th March 2026
39AQI (US)
12th March 2026
53AQI (US)
13th March 2026
37AQI (US)
14th March 2026
42AQI (US)
15th March 2026
57AQI (US)
16th March 2026
51AQI (US)
17th March 2026
37AQI (US)
18th March 2026
48AQI (US)
19th March 2026
48AQI (US)
20th March 2026
48AQI (US)
21st March 2026
25AQI (US)
22nd March 2026
36AQI (US)
23rd March 2026
37AQI (US)
24th March 2026
54AQI (US)
25th March 2026
65AQI (US)
26th March 2026
25AQI (US)
27th March 2026
69AQI (US)
28th March 2026
83AQI (US)
29th March 2026
88AQI (US)
30th March 2026
53AQI (US)
31st March 2026
19AQI (US)
1st April 2026
24AQI (US)
2nd April 2026
54AQI (US)
3rd April 2026
51AQI (US)
4th April 2026
43AQI (US)
5th April 2026
47AQI (US)
6th April 2026
54AQI (US)
7th April 2026
26AQI (US)
8th April 2026
23AQI (US)
9th April 2026
36AQI (US)
10th April 2026
41AQI (US)
11th April 2026
34AQI (US)
12th April 2026
43AQI (US)
13th April 2026
37AQI (US)
14th April 2026
30AQI (US)
15th April 2026
30AQI (US)
16th April 2026
37AQI (US)
17th April 2026
34AQI (US)
18th April 2026
27AQI (US)
19th April 2026
28AQI (US)
20th April 2026
31AQI (US)
21st April 2026
42AQI (US)
22nd April 2026
47AQI (US)
23rd April 2026
13AQI (US)
24th April 2026
36AQI (US)
25th April 2026
44AQI (US)
26th April 2026
48AQI (US)
27th April 2026
53AQI (US)
28th April 2026
46AQI (US)
29th April 2026
36AQI (US)
30th April 2026
31AQI (US)
1st May 2026
50AQI (US)
2nd May 2026
47AQI (US)
3rd May 2026
36AQI (US)
4th May 2026
23AQI (US)
5th May 2026
25AQI (US)
6th May 2026
30AQI (US)
7th May 2026
33AQI (US)
8th May 2026
26AQI (US)
9th May 2026
28AQI (US)
10th May 2026
34AQI (US)
11th May 2026
31AQI (US)
12th May 2026
30AQI (US)
13th May 2026
34AQI (US)
14th May 2026
29AQI (US)
15th May 2026
32AQI (US)
16th May 2026
75AQI (US)
17th May 2026
62AQI (US)
18th May 2026
53AQI (US)
19th May 2026
45AQI (US)
20th May 2026
60AQI (US)
21st May 2026
66AQI (US)
22nd May 2026
68AQI (US)
23rd May 2026
62AQI (US)
24th May 2026
63AQI (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
37AQI (US)
1st June 2026
65AQI (US)
2nd June 2026
16AQI (US)
3rd June 2026
14AQI (US)
4th June 2026
24AQI (US)
5th June 2026
22AQI (US)
6th June 2026
37AQI (US)
7th June 2026
19AQI (US)
8th June 2026
20AQI (US)
9th June 2026
24AQI (US)
10th June 2026
22AQI (US)
11th June 2026
25AQI (US)
12th June 2026
24AQI (US)
13th June 2026
26AQI (US)
14th June 2026
24AQI (US)
15th June 2026
22AQI (US)
16th June 2026
25AQI (US)
17th June 2026
23AQI (US)
18th June 2026
26AQI (US)
19th June 2026
24AQI (US)
20th June 2026
23AQI (US)
21st June 2026
20AQI (US)
22nd June 2026
19AQI (US)
23rd June 2026
20AQI (US)
24th June 2026
21AQI (US)
25th June 2026
26AQI (US)
26th June 2026
28AQI (US)
27th June 2026
26AQI (US)
28th June 2026
27AQI (US)
29th June 2026
24AQI (US)
30th June 2026
23AQI (US)
1st July 2026
23AQI (US)
2nd July 2026
20AQI (US)
3rd July 2026
24AQI (US)
4th July 2026
26AQI (US)
5th July 2026
19AQI (US)
6th July 2026
22AQI (US)
7th July 2026
26AQI (US)
8th July 2026
26AQI (US)
9th July 2026
22AQI (US)
10th July 2026
30AQI (US)
11th July 2026
28AQI (US)
12th July 2026
26AQI (US)
13th July 2026
28AQI (US)
14th July 2026
28AQI (US)
15th July 2026
27AQI (US)
16th July 2026
26AQI (US)
17th July 2026
29AQI (US)
18th July 2026
28AQI (US)
19th July 2026
28AQI (US)
20th July 2026
26AQI (US)
21st July 2026
26AQI (US)
22nd July 2026
24AQI (US)
23rd July 2026
24AQI (US)
24th July 2026
24AQI (US)
25th July 2026
22AQI (US)
26th July 2026
24AQI (US)
27th July 2026
26AQI (US)
28th July 2026
26AQI (US)
29th July 2026
26AQI (US)
30th July 2026
25AQI (US)
31st July 2026
25AQI (US)
1st August 2026
28AQI (US)
2nd August 2026
40AQI (US)
3rd August 2026
54AQI (US)
4th August 2026
45AQI (US)
5th August 2026
43AQI (US)
6th August 2026
25AQI (US)
7th August 2026
24AQI (US)
8th August 2026
25AQI (US)
9th August 2026
24AQI (US)
10th August 2026
23AQI (US)
11th August 2026
25AQI (US)
12th August 2026
24AQI (US)
13th August 2026
27AQI (US)
14th August 2026
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

35AQI (US)

36AQI (US)

47AQI (US)

38AQI (US)

41AQI (US)

25AQI (US)

25AQI (US)

31AQI (US)

No. of days

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

202635AQI (US)

27
4
25
3
20
11
26
4
22
9
29
1
31
12
1
192
33

Highest AQI (US) recorded in

March

47AQI (US)

Lowest AQI (US) recorded in

July

25AQI (US)

202543AQI (US)

25
6
26
2
20
11
25
5
24
7
28
2
23
8
27
4
30
12
19
10
20
18
13
268
97

Highest AQI (US) recorded in

October

53AQI (US)

Lowest AQI (US) recorded in

September

30AQI (US)

202438AQI (US)

28
2
25
3
1
28
3
16
13
1
21
10
23
7
31
25
6
24
6
30
1
24
6
30
1
305
58
2

Highest AQI (US) recorded in

April

51AQI (US)

Lowest AQI (US) recorded in

July

22AQI (US)

202341AQI (US)

22
8
1
22
6
19
12
16
14
23
8
25
5
25
6
26
5
27
3
31
23
4
28
3
287
74
1

Highest AQI (US) recorded in

April

49AQI (US)

Lowest AQI (US) recorded in

August

33AQI (US)

202240AQI (US)

25
4
18
3
24
7
16
2
20
11
25
5
18
3
1
25
3
26
5
20
10
29
2
247
55

Highest AQI (US) recorded in

May

48AQI (US)

Lowest AQI (US) recorded in

June

35AQI (US)

202139AQI (US)

25
5
25
3
26
3
18
3
21
10
22
8
29
2
29
2
29
1
25
6
29
1
30
1
308
45

Highest AQI (US) recorded in

May

47AQI (US)

Lowest AQI (US) recorded in

August

33AQI (US)

202038AQI (US)

10
3
16
5
12
6
23
7
31
13
5
3
1
12
3
27
4
145
33
3

Highest AQI (US) recorded in

August

50AQI (US)

Lowest AQI (US) recorded in

September

0AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
43AQI (US)
Least Polluted Year Recorded
2026(Avg.)
35AQI (US)

Kawatana's annual 2026 AQI (US) (35) shows an average percentage change of -11.9% (improved AQI (US)) compared to previous years: 2020 (38), 2021 (39), 2022 (40), 2023 (41), 2024 (38), 2025 (43).