Izuharamachi Miyadani, Hirado, 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
Izuharamachi Miyadani, Hirado, Nagasaki, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
24th Aug 2024
72AQILowest AQI recorded on
31st Aug 2023
19AQISame Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 53 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Izuharamachi Miyadani, Hirado, Nagasaki, Japan
AQI
Day
Night
.
5 AM3rd Aug 2025
7 PM
4 AM4th Aug 2025
Day time
Avg. Highest Time
11AM3rd Aug
66AQI
Avg. Lowest Time
7PM3rd Aug
43AQI
Night time
Avg. Highest Time
10PM3rd Aug
54AQI
Avg. Lowest Time
8PM3rd Aug
49AQI
In the last 24 hours,
Izuharamachi Miyadani's AQI reached its highest point of 66 at 11 AM during the Day, while the lowest point, 43, was recorded at 7 PM during the Day between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Izuharamachi Miyadani, Hirado, 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 2025585 AMAQI
5th Jul 2025586 AMAQI
5th Jul 2025587 AMAQI
5th Jul 2025588 AMAQI
5th Jul 2025429 AMAQI
5th Jul 20253610 AMAQI
5th Jul 20253711 AMAQI
5th Jul 20254012 PMAQI
5th Jul 2025521 PMAQI
5th Jul 2025492 PMAQI
5th Jul 2025513 PMAQI
5th Jul 2025494 PMAQI
5th Jul 2025485 PMAQI
5th Jul 2025466 PMAQI
5th Jul 2025477 PMAQI
5th Jul 2025508 PMAQI
5th Jul 2025579 PMAQI
5th Jul 20255710 PMAQI
5th Jul 20255711 PMAQI
6th Jul 20255712 AMAQI
6th Jul 2025571 AMAQI
6th Jul 2025582 AMAQI
6th Jul 2025593 AMAQI
6th Jul 2025594 AMAQI
26°C25/28°C
6th Jul 2025575 AMAQI
6th Jul 2025576 AMAQI
6th Jul 2025587 AMAQI
6th Jul 2025578 AMAQI
6th Jul 2025479 AMAQI
6th Jul 20253410 AMAQI
6th Jul 20252711 AMAQI
6th Jul 20253812 PMAQI
6th Jul 2025481 PMAQI
6th Jul 2025472 PMAQI
6th Jul 2025443 PMAQI
6th Jul 2025434 PMAQI
6th Jul 2025435 PMAQI
6th Jul 2025416 PMAQI
6th Jul 2025427 PMAQI
6th Jul 2025448 PMAQI
6th Jul 2025559 PMAQI
6th Jul 20255510 PMAQI
6th Jul 20255611 PMAQI
7th Jul 20255612 AMAQI
7th Jul 2025561 AMAQI
7th Jul 2025572 AMAQI
7th Jul 2025573 AMAQI
7th Jul 2025574 AMAQI
26°C25/28°C
7th Jul 2025565 AMAQI
7th Jul 2025576 AMAQI
7th Jul 2025577 AMAQI
7th Jul 2025568 AMAQI
7th Jul 2025349 AMAQI
7th Jul 20253110 AMAQI
7th Jul 20253611 AMAQI
7th Jul 20253412 PMAQI
7th Jul 2025511 PMAQI
7th Jul 2025522 PMAQI
7th Jul 2025523 PMAQI
7th Jul 2025524 PMAQI
7th Jul 2025535 PMAQI
7th Jul 2025546 PMAQI
7th Jul 2025567 PMAQI
7th Jul 2025578 PMAQI
7th Jul 2025569 PMAQI
7th Jul 20255610 PMAQI
7th Jul 20255511 PMAQI
8th Jul 20255612 AMAQI
8th Jul 2025561 AMAQI
8th Jul 2025562 AMAQI
8th Jul 2025563 AMAQI
8th Jul 2025564 AMAQI
27°C25/29°C
8th Jul 2025565 AMAQI
8th Jul 2025566 AMAQI
8th Jul 2025567 AMAQI
8th Jul 2025568 AMAQI
8th Jul 2025429 AMAQI
8th Jul 20253710 AMAQI
8th Jul 20254111 AMAQI
8th Jul 20254312 PMAQI
8th Jul 2025541 PMAQI
8th Jul 2025532 PMAQI
8th Jul 2025553 PMAQI
8th Jul 2025584 PMAQI
8th Jul 2025585 PMAQI
8th Jul 2025586 PMAQI
8th Jul 2025567 PMAQI
8th Jul 2025568 PMAQI
8th Jul 2025569 PMAQI
8th Jul 20255610 PMAQI
8th Jul 20255511 PMAQI
9th Jul 20255612 AMAQI
9th Jul 2025561 AMAQI
9th Jul 2025562 AMAQI
9th Jul 2025563 AMAQI
9th Jul 2025564 AMAQI
26°C25/28°C
9th Jul 2025565 AMAQI
9th Jul 2025566 AMAQI
9th Jul 2025567 AMAQI
9th Jul 2025568 AMAQI
9th Jul 2025389 AMAQI
9th Jul 20253610 AMAQI
9th Jul 20254411 AMAQI
9th Jul 20254012 PMAQI
9th Jul 2025491 PMAQI
9th Jul 2025502 PMAQI
9th Jul 2025503 PMAQI
9th Jul 2025534 PMAQI
9th Jul 2025525 PMAQI
9th Jul 2025546 PMAQI
9th Jul 2025537 PMAQI
9th Jul 2025548 PMAQI
9th Jul 2025569 PMAQI
9th Jul 20255610 PMAQI
9th Jul 20255611 PMAQI
10th Jul 20255612 AMAQI
10th Jul 2025561 AMAQI
10th Jul 2025552 AMAQI
10th Jul 2025563 AMAQI
10th Jul 2025564 AMAQI
26°C25/28°C
10th Jul 2025565 AMAQI
10th Jul 2025566 AMAQI
10th Jul 2025567 AMAQI
10th Jul 2025568 AMAQI
10th Jul 2025569 AMAQI
10th Jul 20255510 AMAQI
10th Jul 20255511 AMAQI
10th Jul 20255412 PMAQI
10th Jul 2025541 PMAQI
10th Jul 2025532 PMAQI
10th Jul 2025583 PMAQI
10th Jul 2025584 PMAQI
10th Jul 2025585 PMAQI
10th Jul 2025566 PMAQI
10th Jul 2025557 PMAQI
10th Jul 2025578 PMAQI
10th Jul 2025599 PMAQI
10th Jul 20255810 PMAQI
10th Jul 20255811 PMAQI
11th Jul 20255812 AMAQI
11th Jul 2025581 AMAQI
11th Jul 2025572 AMAQI
11th Jul 2025563 AMAQI
11th Jul 2025574 AMAQI
26°C25/27°C
11th Jul 2025575 AMAQI
11th Jul 2025566 AMAQI
11th Jul 2025567 AMAQI
11th Jul 2025568 AMAQI
11th Jul 2025499 AMAQI
11th Jul 20255210 AMAQI
11th Jul 20255111 AMAQI
11th Jul 20255312 PMAQI
11th Jul 2025561 PMAQI
11th Jul 2025562 PMAQI
11th Jul 2025563 PMAQI
11th Jul 2025574 PMAQI
11th Jul 2025565 PMAQI
11th Jul 2025556 PMAQI
11th Jul 2025547 PMAQI
11th Jul 2025548 PMAQI
11th Jul 2025569 PMAQI
11th Jul 20255710 PMAQI
11th Jul 20255611 PMAQI
12th Jul 20255612 AMAQI
12th Jul 2025561 AMAQI
12th Jul 2025582 AMAQI
12th Jul 2025583 AMAQI
12th Jul 2025584 AMAQI
25°C24/26°C
12th Jul 2025575 AMAQI
12th Jul 2025586 AMAQI
12th Jul 2025587 AMAQI
12th Jul 2025588 AMAQI
12th Jul 2025499 AMAQI
12th Jul 20254410 AMAQI
12th Jul 20255211 AMAQI
12th Jul 20255112 PMAQI
12th Jul 2025531 PMAQI
12th Jul 2025532 PMAQI
12th Jul 2025533 PMAQI
12th Jul 2025554 PMAQI
12th Jul 2025515 PMAQI
12th Jul 2025506 PMAQI
12th Jul 2025527 PMAQI
12th Jul 2025528 PMAQI
12th Jul 2025579 PMAQI
12th Jul 20255710 PMAQI
12th Jul 20255711 PMAQI
13th Jul 20255612 AMAQI
13th Jul 2025581 AMAQI
13th Jul 2025572 AMAQI
13th Jul 2025573 AMAQI
13th Jul 2025574 AMAQI
25°C24/27°C
13th Jul 2025575 AMAQI
13th Jul 2025576 AMAQI
13th Jul 2025577 AMAQI
13th Jul 2025578 AMAQI
13th Jul 2025489 AMAQI
13th Jul 20253610 AMAQI
13th Jul 20253911 AMAQI
13th Jul 20254812 PMAQI
13th Jul 2025521 PMAQI
13th Jul 2025462 PMAQI
13th Jul 2025463 PMAQI
13th Jul 2025504 PMAQI
13th Jul 2025485 PMAQI
13th Jul 2025486 PMAQI
13th Jul 2025467 PMAQI
13th Jul 2025508 PMAQI
13th Jul 2025569 PMAQI
13th Jul 20255510 PMAQI
13th Jul 20255511 PMAQI
14th Jul 20255412 AMAQI
14th Jul 2025561 AMAQI
14th Jul 2025562 AMAQI
14th Jul 2025573 AMAQI
14th Jul 2025564 AMAQI
26°C24/28°C
14th Jul 2025565 AMAQI
14th Jul 2025576 AMAQI
14th Jul 2025567 AMAQI
14th Jul 2025578 AMAQI
14th Jul 2025289 AMAQI
14th Jul 20251810 AMAQI
14th Jul 20251811 AMAQI
14th Jul 20252112 PMAQI
14th Jul 2025351 PMAQI
14th Jul 2025382 PMAQI
14th Jul 2025403 PMAQI
14th Jul 2025444 PMAQI
14th Jul 2025445 PMAQI
14th Jul 2025506 PMAQI
14th Jul 2025527 PMAQI
14th Jul 2025538 PMAQI
14th Jul 2025559 PMAQI
14th Jul 20255410 PMAQI
14th Jul 20255411 PMAQI
15th Jul 20255412 AMAQI
15th Jul 2025551 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025563 AMAQI
15th Jul 2025564 AMAQI
25°C22/26°C
15th Jul 2025555 AMAQI
15th Jul 2025556 AMAQI
15th Jul 2025557 AMAQI
15th Jul 2025558 AMAQI
15th Jul 2025459 AMAQI
15th Jul 20254410 AMAQI
15th Jul 20254211 AMAQI
15th Jul 20253712 PMAQI
15th Jul 2025401 PMAQI
15th Jul 2025392 PMAQI
15th Jul 2025423 PMAQI
15th Jul 2025424 PMAQI
15th Jul 2025405 PMAQI
15th Jul 2025426 PMAQI
15th Jul 2025427 PMAQI
15th Jul 2025498 PMAQI
15th Jul 2025549 PMAQI
15th Jul 20255410 PMAQI
15th Jul 20255411 PMAQI
16th Jul 20255412 AMAQI
16th Jul 2025551 AMAQI
16th Jul 2025542 AMAQI
16th Jul 2025553 AMAQI
16th Jul 2025554 AMAQI
25°C24/26°C
16th Jul 2025545 AMAQI
16th Jul 2025546 AMAQI
16th Jul 2025547 AMAQI
16th Jul 2025558 AMAQI
16th Jul 2025439 AMAQI
16th Jul 20255010 AMAQI
16th Jul 20254211 AMAQI
16th Jul 20255012 PMAQI
16th Jul 2025521 PMAQI
16th Jul 2025522 PMAQI
16th Jul 2025523 PMAQI
16th Jul 2025534 PMAQI
16th Jul 2025535 PMAQI
16th Jul 2025526 PMAQI
16th Jul 2025527 PMAQI
16th Jul 2025538 PMAQI
16th Jul 2025559 PMAQI
16th Jul 20255510 PMAQI
16th Jul 20255511 PMAQI
17th Jul 20255512 AMAQI
17th Jul 2025551 AMAQI
17th Jul 2025542 AMAQI
17th Jul 2025543 AMAQI
17th Jul 2025554 AMAQI
26°C24/28°C
17th Jul 2025545 AMAQI
17th Jul 2025546 AMAQI
17th Jul 2025557 AMAQI
17th Jul 2025558 AMAQI
17th Jul 2025529 AMAQI
17th Jul 20254610 AMAQI
17th Jul 20255011 AMAQI
17th Jul 20255612 PMAQI
17th Jul 2025551 PMAQI
17th Jul 2025542 PMAQI
17th Jul 2025533 PMAQI
17th Jul 2025524 PMAQI
17th Jul 2025525 PMAQI
17th Jul 2025536 PMAQI
17th Jul 2025497 PMAQI
17th Jul 2025448 PMAQI
17th Jul 2025539 PMAQI
17th Jul 20255310 PMAQI
17th Jul 20255311 PMAQI
18th Jul 20255312 AMAQI
18th Jul 2025531 AMAQI
18th Jul 2025552 AMAQI
18th Jul 2025563 AMAQI
18th Jul 2025554 AMAQI
27°C25/29°C
18th Jul 2025545 AMAQI
18th Jul 2025556 AMAQI
18th Jul 2025547 AMAQI
18th Jul 2025558 AMAQI
18th Jul 2025249 AMAQI
18th Jul 20251310 AMAQI
18th Jul 20251511 AMAQI
18th Jul 20252412 PMAQI
18th Jul 2025311 PMAQI
18th Jul 2025312 PMAQI
18th Jul 2025323 PMAQI
18th Jul 2025324 PMAQI
18th Jul 2025315 PMAQI
18th Jul 2025296 PMAQI
18th Jul 2025307 PMAQI
18th Jul 2025378 PMAQI
18th Jul 2025509 PMAQI
18th Jul 20254810 PMAQI
18th Jul 20255011 PMAQI
19th Jul 20255112 AMAQI
19th Jul 2025521 AMAQI
19th Jul 2025532 AMAQI
19th Jul 2025543 AMAQI
19th Jul 2025534 AMAQI
25°C24/27°C
19th Jul 2025525 AMAQI
19th Jul 2025526 AMAQI
19th Jul 2025527 AMAQI
19th Jul 2025528 AMAQI
19th Jul 2025349 AMAQI
19th Jul 20252710 AMAQI
19th Jul 20253611 AMAQI
19th Jul 20253412 PMAQI
19th Jul 2025351 PMAQI
19th Jul 2025362 PMAQI
19th Jul 2025413 PMAQI
19th Jul 2025444 PMAQI
19th Jul 2025485 PMAQI
19th Jul 2025406 PMAQI
19th Jul 2025387 PMAQI
19th Jul 2025408 PMAQI
19th Jul 2025429 PMAQI
19th Jul 20254110 PMAQI
19th Jul 20254111 PMAQI
20th Jul 20254612 AMAQI
20th Jul 2025481 AMAQI
20th Jul 2025522 AMAQI
20th Jul 2025523 AMAQI
20th Jul 2025514 AMAQI
24°C23/26°C
20th Jul 2025495 AMAQI
20th Jul 2025516 AMAQI
20th Jul 2025497 AMAQI
20th Jul 2025508 AMAQI
20th Jul 2025409 AMAQI
20th Jul 20253310 AMAQI
20th Jul 20253711 AMAQI
20th Jul 20253212 PMAQI
20th Jul 2025381 PMAQI
20th Jul 2025362 PMAQI
20th Jul 2025333 PMAQI
20th Jul 2025324 PMAQI
20th Jul 2025365 PMAQI
20th Jul 2025326 PMAQI
20th Jul 2025387 PMAQI
20th Jul 2025408 PMAQI
20th Jul 2025399 PMAQI
20th Jul 20254210 PMAQI
20th Jul 20254711 PMAQI
21st Jul 20254712 AMAQI
21st Jul 2025501 AMAQI
21st Jul 2025502 AMAQI
21st Jul 2025513 AMAQI
21st Jul 2025504 AMAQI
27°C24/30°C
21st Jul 2025495 AMAQI
21st Jul 2025486 AMAQI
21st Jul 2025487 AMAQI
21st Jul 2025488 AMAQI
21st Jul 2025289 AMAQI
21st Jul 20252010 AMAQI
21st Jul 20252011 AMAQI
21st Jul 20252312 PMAQI
21st Jul 2025401 PMAQI
21st Jul 2025362 PMAQI
21st Jul 2025293 PMAQI
21st Jul 2025284 PMAQI
21st Jul 2025225 PMAQI
21st Jul 2025226 PMAQI
21st Jul 2025277 PMAQI
21st Jul 2025298 PMAQI
21st Jul 2025399 PMAQI
21st Jul 20254110 PMAQI
21st Jul 20254011 PMAQI
22nd Jul 20253812 AMAQI
22nd Jul 2025441 AMAQI
22nd Jul 2025482 AMAQI
22nd Jul 2025493 AMAQI
22nd Jul 2025494 AMAQI
27°C25/29°C
22nd Jul 2025455 AMAQI
22nd Jul 2025466 AMAQI
22nd Jul 2025447 AMAQI
22nd Jul 2025468 AMAQI
22nd Jul 2025309 AMAQI
22nd Jul 20253010 AMAQI
22nd Jul 20252111 AMAQI
22nd Jul 20252512 PMAQI
22nd Jul 2025341 PMAQI
22nd Jul 2025282 PMAQI
22nd Jul 2025363 PMAQI
22nd Jul 2025464 PMAQI
22nd Jul 2025375 PMAQI
22nd Jul 2025426 PMAQI
22nd Jul 2025397 PMAQI
22nd Jul 2025378 PMAQI
22nd Jul 2025409 PMAQI
22nd Jul 20254310 PMAQI
22nd Jul 20254311 PMAQI
23rd Jul 20254312 AMAQI
23rd Jul 2025501 AMAQI
23rd Jul 2025482 AMAQI
23rd Jul 2025463 AMAQI
23rd Jul 2025454 AMAQI
27°C25/30°C
23rd Jul 2025435 AMAQI
23rd Jul 2025436 AMAQI
23rd Jul 2025437 AMAQI
23rd Jul 2025438 AMAQI
23rd Jul 2025579 AMAQI
23rd Jul 20256210 AMAQI
23rd Jul 20256211 AMAQI
23rd Jul 20256012 PMAQI
23rd Jul 2025571 PMAQI
23rd Jul 2025492 PMAQI
23rd Jul 2025543 PMAQI
23rd Jul 2025564 PMAQI
23rd Jul 2025545 PMAQI
23rd Jul 2025536 PMAQI
23rd Jul 2025507 PMAQI
23rd Jul 2025538 PMAQI
23rd Jul 2025549 PMAQI
23rd Jul 20255010 PMAQI
23rd Jul 20254411 PMAQI
24th Jul 20253712 AMAQI
24th Jul 2025391 AMAQI
24th Jul 2025462 AMAQI
24th Jul 2025453 AMAQI
24th Jul 2025464 AMAQI
27°C25/30°C
24th Jul 2025485 AMAQI
24th Jul 2025486 AMAQI
24th Jul 2025487 AMAQI
24th Jul 2025508 AMAQI
24th Jul 2025429 AMAQI
24th Jul 20253610 AMAQI
24th Jul 20254411 AMAQI
24th Jul 20254712 PMAQI
24th Jul 2025531 PMAQI
24th Jul 2025502 PMAQI
24th Jul 2025543 PMAQI
24th Jul 2025564 PMAQI
24th Jul 2025535 PMAQI
24th Jul 2025456 PMAQI
24th Jul 2025407 PMAQI
24th Jul 2025328 PMAQI
24th Jul 2025459 PMAQI
24th Jul 20253910 PMAQI
24th Jul 20253811 PMAQI
25th Jul 20253812 AMAQI
25th Jul 2025441 AMAQI
25th Jul 2025472 AMAQI
25th Jul 2025463 AMAQI
25th Jul 2025464 AMAQI
28°C25/30°C
25th Jul 2025485 AMAQI
25th Jul 2025476 AMAQI
25th Jul 2025477 AMAQI
25th Jul 2025478 AMAQI
25th Jul 2025349 AMAQI
25th Jul 20252910 AMAQI
25th Jul 20251911 AMAQI
25th Jul 20252812 PMAQI
25th Jul 2025331 PMAQI
25th Jul 2025302 PMAQI
25th Jul 2025283 PMAQI
25th Jul 2025304 PMAQI
25th Jul 2025215 PMAQI
25th Jul 2025276 PMAQI
25th Jul 2025257 PMAQI
25th Jul 2025278 PMAQI
25th Jul 2025369 PMAQI
25th Jul 20253810 PMAQI
25th Jul 20253711 PMAQI
26th Jul 20254012 AMAQI
26th Jul 2025441 AMAQI
26th Jul 2025462 AMAQI
26th Jul 2025463 AMAQI
26th Jul 2025464 AMAQI
28°C26/30°C
26th Jul 2025435 AMAQI
26th Jul 2025436 AMAQI
26th Jul 2025447 AMAQI
26th Jul 2025438 AMAQI
26th Jul 2025269 AMAQI
26th Jul 20252810 AMAQI
26th Jul 20252511 AMAQI
26th Jul 20252512 PMAQI
26th Jul 2025201 PMAQI
26th Jul 2025242 PMAQI
26th Jul 2025303 PMAQI
26th Jul 2025304 PMAQI
26th Jul 2025285 PMAQI
26th Jul 2025286 PMAQI
26th Jul 2025237 PMAQI
26th Jul 2025258 PMAQI
26th Jul 2025369 PMAQI
26th Jul 20253410 PMAQI
26th Jul 20253711 PMAQI
27th Jul 20253712 AMAQI
27th Jul 2025391 AMAQI
27th Jul 2025462 AMAQI
27th Jul 2025463 AMAQI
27th Jul 2025464 AMAQI
28°C26/30°C
27th Jul 2025425 AMAQI
27th Jul 2025426 AMAQI
27th Jul 2025437 AMAQI
27th Jul 2025438 AMAQI
27th Jul 2025329 AMAQI
27th Jul 20251810 AMAQI
27th Jul 20252211 AMAQI
27th Jul 20252412 PMAQI
27th Jul 2025241 PMAQI
27th Jul 2025272 PMAQI
27th Jul 2025243 PMAQI
27th Jul 2025334 PMAQI
27th Jul 2025275 PMAQI
27th Jul 2025336 PMAQI
27th Jul 2025307 PMAQI
27th Jul 2025288 PMAQI
27th Jul 2025369 PMAQI
27th Jul 20253310 PMAQI
27th Jul 20253811 PMAQI
28th Jul 20253412 AMAQI
28th Jul 2025361 AMAQI
28th Jul 2025442 AMAQI
28th Jul 2025433 AMAQI
28th Jul 2025424 AMAQI
28°C26/30°C
28th Jul 2025385 AMAQI
28th Jul 2025396 AMAQI
28th Jul 2025397 AMAQI
28th Jul 2025398 AMAQI
28th Jul 2025249 AMAQI
28th Jul 20252910 AMAQI
28th Jul 20252711 AMAQI
28th Jul 20252812 PMAQI
28th Jul 2025341 PMAQI
28th Jul 2025292 PMAQI
28th Jul 2025263 PMAQI
28th Jul 2025284 PMAQI
28th Jul 2025375 PMAQI
28th Jul 2025316 PMAQI
28th Jul 2025317 PMAQI
28th Jul 2025278 PMAQI
28th Jul 2025329 PMAQI
28th Jul 20253410 PMAQI
28th Jul 20253211 PMAQI
29th Jul 20253212 AMAQI
29th Jul 2025381 AMAQI
29th Jul 2025422 AMAQI
29th Jul 2025413 AMAQI
29th Jul 2025404 AMAQI
28°C26/30°C
29th Jul 2025395 AMAQI
29th Jul 2025386 AMAQI
29th Jul 2025387 AMAQI
29th Jul 2025388 AMAQI
29th Jul 2025289 AMAQI
29th Jul 20252810 AMAQI
29th Jul 20253111 AMAQI
29th Jul 20253612 PMAQI
29th Jul 2025311 PMAQI
29th Jul 2025252 PMAQI
29th Jul 2025243 PMAQI
29th Jul 2025214 PMAQI
29th Jul 2025245 PMAQI
29th Jul 2025356 PMAQI
29th Jul 2025347 PMAQI
29th Jul 2025348 PMAQI
29th Jul 2025349 PMAQI
29th Jul 20253110 PMAQI
29th Jul 20252811 PMAQI
30th Jul 20252812 AMAQI
30th Jul 2025321 AMAQI
30th Jul 2025382 AMAQI
30th Jul 2025393 AMAQI
30th Jul 2025384 AMAQI
28°C26/30°C
30th Jul 2025365 AMAQI
30th Jul 2025366 AMAQI
30th Jul 2025377 AMAQI
30th Jul 2025378 AMAQI
30th Jul 2025369 AMAQI
30th Jul 20254110 AMAQI
30th Jul 20254811 AMAQI
30th Jul 20254212 PMAQI
30th Jul 2025401 PMAQI
30th Jul 2025382 PMAQI
30th Jul 2025473 PMAQI
30th Jul 2025404 PMAQI
30th Jul 2025385 PMAQI
30th Jul 2025386 PMAQI
30th Jul 2025387 PMAQI
30th Jul 2025418 PMAQI
30th Jul 2025359 PMAQI
30th Jul 20253610 PMAQI
30th Jul 20253311 PMAQI
31st Jul 20253212 AMAQI
31st Jul 2025291 AMAQI
31st Jul 2025352 AMAQI
31st Jul 2025363 AMAQI
31st Jul 2025344 AMAQI
27°C25/30°C
31st Jul 2025345 AMAQI
31st Jul 2025346 AMAQI
31st Jul 2025347 AMAQI
31st Jul 2025348 AMAQI
31st Jul 2025349 AMAQI
31st Jul 20253410 AMAQI
31st Jul 20254911 AMAQI
31st Jul 20254812 PMAQI
31st Jul 2025471 PMAQI
31st Jul 2025502 PMAQI
31st Jul 2025463 PMAQI
31st Jul 2025454 PMAQI
31st Jul 2025475 PMAQI
31st Jul 2025456 PMAQI
31st Jul 2025427 PMAQI
31st Jul 2025458 PMAQI
31st Jul 2025529 PMAQI
31st Jul 20255110 PMAQI
31st Jul 20254311 PMAQI
1st Aug 20254012 AMAQI
1st Aug 2025371 AMAQI
1st Aug 2025432 AMAQI
1st Aug 2025373 AMAQI
1st Aug 2025494 AMAQI
27°C25/30°C
1st Aug 2025475 AMAQI
1st Aug 2025486 AMAQI
1st Aug 2025497 AMAQI
1st Aug 2025468 AMAQI
1st Aug 2025519 AMAQI
1st Aug 20255610 AMAQI
1st Aug 20255411 AMAQI
1st Aug 20255612 PMAQI
1st Aug 2025561 PMAQI
1st Aug 2025482 PMAQI
1st Aug 2025493 PMAQI
1st Aug 2025534 PMAQI
1st Aug 2025515 PMAQI
1st Aug 2025516 PMAQI
1st Aug 2025507 PMAQI
1st Aug 2025468 PMAQI
1st Aug 2025489 PMAQI
1st Aug 20254810 PMAQI
1st Aug 20254811 PMAQI
2nd Aug 20254712 AMAQI
2nd Aug 2025441 AMAQI
2nd Aug 2025482 AMAQI
2nd Aug 2025443 AMAQI
2nd Aug 2025484 AMAQI
28°C26/30°C
2nd Aug 2025515 AMAQI
2nd Aug 2025496 AMAQI
2nd Aug 2025477 AMAQI
2nd Aug 2025488 AMAQI
2nd Aug 2025539 AMAQI
2nd Aug 20255410 AMAQI
2nd Aug 20256011 AMAQI
2nd Aug 20255612 PMAQI
2nd Aug 2025581 PMAQI
2nd Aug 2025622 PMAQI
2nd Aug 2025663 PMAQI
2nd Aug 2025584 PMAQI
2nd Aug 2025545 PMAQI
2nd Aug 2025576 PMAQI
2nd Aug 2025557 PMAQI
2nd Aug 2025548 PMAQI
2nd Aug 2025549 PMAQI
2nd Aug 20255310 PMAQI
2nd Aug 20255411 PMAQI
3rd Aug 20255212 AMAQI
3rd Aug 2025481 AMAQI
3rd Aug 2025482 AMAQI
3rd Aug 2025503 AMAQI
3rd Aug 2025524 AMAQI
28°C25/31°C
3rd Aug 2025525 AMAQI
3rd Aug 2025526 AMAQI
3rd Aug 2025537 AMAQI
3rd Aug 2025528 AMAQI
3rd Aug 2025629 AMAQI
3rd Aug 20256110 AMAQI
3rd Aug 20256611 AMAQI
3rd Aug 20256312 PMAQI
3rd Aug 2025561 PMAQI
3rd Aug 2025552 PMAQI
3rd Aug 2025563 PMAQI
3rd Aug 2025514 PMAQI
3rd Aug 2025485 PMAQI
3rd Aug 2025496 PMAQI
3rd Aug 2025437 PMAQI
3rd Aug 2025498 PMAQI
3rd Aug 2025529 PMAQI
3rd Aug 20255410 PMAQI
3rd Aug 20255211 PMAQI
4th Aug 20255012 AMAQI
4th Aug 2025531 AMAQI
4th Aug 2025522 AMAQI
4th Aug 2025523 AMAQI
4th Aug 2025534 AMAQI
28°C26/31°C
4th Aug 2025535 AMAQI
5 AM4th Aug 2025546 AMAQI
4th Aug 2025547 AMAQI
4th Aug 2025548 AMAQI
4th Aug 2025589 AMAQI
4th Aug 20256110 AMAQI
4th Aug 20256111 AMAQI
4th Aug 20255512 PMAQI
12 PM4th Aug 2025541 PMAQI
4th Aug 2025582 PMAQI
4th Aug 2025543 PMAQI
4th Aug 2025534 PMAQI
4th Aug 2025515 PMAQI
4th Aug 2025546 PMAQI
4th Aug 2025467 PMAQI
7 PM4th Aug 2025538 PMAQI
4th Aug 2025529 PMAQI
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 AM
50AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
10 AM
38AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 50), while the lowest AQI was between 10 AM to 10 AM (Avg. 38).
Night time
Avg. Highest Time
12 AM - 4 AM
50AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
8 PM
44AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 50), while the lowest AQI was between 8 PM to 8 PM (Avg. 44).
2025 Days Vs Air Quality
Izuharamachi Miyadani, Hirado, Nagasaki, Japan
2025
66%
142
34%
73
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Good
142 DaysModerate
73 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 66%
Health Risk Level:
Moderate
In 2025, 66% of 216 days were within WHO’s safe air quality limits, and 34% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Izuharamachi Miyadani, Hirado, 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
38AQI
38AQI
2nd January 2025
51AQI
51AQI
3rd January 2025
38AQI
38AQI
4th January 2025
41AQI
41AQI
5th January 2025
35AQI
35AQI
6th January 2025
74AQI
74AQI
7th January 2025
33AQI
33AQI
8th January 2025
46AQI
46AQI
9th January 2025
32AQI
32AQI
10th January 2025
37AQI
37AQI
11th January 2025
34AQI
34AQI
12th January 2025
38AQI
38AQI
13th January 2025
45AQI
45AQI
14th January 2025
64AQI
64AQI
15th January 2025
44AQI
44AQI
16th January 2025
45AQI
45AQI
17th January 2025
54AQI
54AQI
18th January 2025
57AQI
57AQI
19th January 2025
45AQI
45AQI
20th January 2025
69AQI
69AQI
21st January 2025
96AQI
96AQI
22nd January 2025
75AQI
75AQI
23rd January 2025
98AQI
98AQI
24th January 2025
60AQI
60AQI
25th January 2025
53AQI
53AQI
26th January 2025
43AQI
43AQI
27th January 2025
47AQI
47AQI
28th January 2025
41AQI
41AQI
29th January 2025
39AQI
39AQI
30th January 2025
40AQI
40AQI
31st January 2025
45AQI
45AQI
1st February 2025
40AQI
40AQI
2nd February 2025
43AQI
43AQI
3rd February 2025
46AQI
46AQI
4th February 2025
39AQI
39AQI
5th February 2025
40AQI
40AQI
6th February 2025
38AQI
38AQI
7th February 2025
43AQI
43AQI
8th February 2025
33AQI
33AQI
9th February 2025
37AQI
37AQI
10th February 2025
34AQI
34AQI
11th February 2025
44AQI
44AQI
12th February 2025
36AQI
36AQI
13th February 2025
38AQI
38AQI
14th February 2025
47AQI
47AQI
15th February 2025
38AQI
38AQI
16th February 2025
52AQI
52AQI
17th February 2025
44AQI
44AQI
18th February 2025
42AQI
42AQI
19th February 2025
39AQI
39AQI
20th February 2025
37AQI
37AQI
21st February 2025
33AQI
33AQI
22nd February 2025
36AQI
36AQI
23rd February 2025
40AQI
40AQI
24th February 2025
38AQI
38AQI
25th February 2025
39AQI
39AQI
26th February 2025
78AQI
78AQI
27th February 2025
61AQI
61AQI
28th February 2025
60AQI
60AQI
1st March 2025
51AQI
51AQI
2nd March 2025
42AQI
42AQI
3rd March 2025
44AQI
44AQI
4th March 2025
39AQI
39AQI
5th March 2025
34AQI
34AQI
6th March 2025
32AQI
32AQI
7th March 2025
40AQI
40AQI
8th March 2025
39AQI
39AQI
9th March 2025
53AQI
53AQI
10th March 2025
48AQI
48AQI
11th March 2025
58AQI
58AQI
12th March 2025
56AQI
56AQI
13th March 2025
51AQI
51AQI
14th March 2025
43AQI
43AQI
15th March 2025
36AQI
36AQI
16th March 2025
40AQI
40AQI
17th March 2025
48AQI
48AQI
18th March 2025
54AQI
54AQI
19th March 2025
60AQI
60AQI
20th March 2025
59AQI
59AQI
21st March 2025
68AQI
68AQI
22nd March 2025
73AQI
73AQI
23rd March 2025
77AQI
77AQI
24th March 2025
70AQI
70AQI
25th March 2025
82AQI
82AQI
26th March 2025
73AQI
73AQI
27th March 2025
54AQI
54AQI
28th March 2025
69AQI
69AQI
29th March 2025
50AQI
50AQI
30th March 2025
43AQI
43AQI
31st March 2025
48AQI
48AQI
1st April 2025
44AQI
44AQI
2nd April 2025
38AQI
38AQI
3rd April 2025
39AQI
39AQI
4th April 2025
46AQI
46AQI
5th April 2025
44AQI
44AQI
6th April 2025
51AQI
51AQI
7th April 2025
45AQI
45AQI
8th April 2025
61AQI
61AQI
9th April 2025
65AQI
65AQI
10th April 2025
63AQI
63AQI
11th April 2025
63AQI
63AQI
12th April 2025
59AQI
59AQI
13th April 2025
52AQI
52AQI
14th April 2025
50AQI
50AQI
15th April 2025
42AQI
42AQI
16th April 2025
54AQI
54AQI
17th April 2025
51AQI
51AQI
18th April 2025
53AQI
53AQI
19th April 2025
47AQI
47AQI
20th April 2025
41AQI
41AQI
21st April 2025
37AQI
37AQI
22nd April 2025
33AQI
33AQI
23rd April 2025
32AQI
32AQI
24th April 2025
43AQI
43AQI
25th April 2025
58AQI
58AQI
26th April 2025
43AQI
43AQI
27th April 2025
47AQI
47AQI
28th April 2025
39AQI
39AQI
29th April 2025
52AQI
52AQI
30th April 2025
51AQI
51AQI
1st May 2025
46AQI
46AQI
2nd May 2025
42AQI
42AQI
3rd May 2025
46AQI
46AQI
4th May 2025
41AQI
41AQI
5th May 2025
41AQI
41AQI
6th May 2025
44AQI
44AQI
7th May 2025
46AQI
46AQI
8th May 2025
46AQI
46AQI
9th May 2025
37AQI
37AQI
10th May 2025
36AQI
36AQI
11th May 2025
52AQI
52AQI
12th May 2025
54AQI
54AQI
13th May 2025
61AQI
61AQI
14th May 2025
61AQI
61AQI
15th May 2025
56AQI
56AQI
16th May 2025
57AQI
57AQI
17th May 2025
39AQI
39AQI
18th May 2025
55AQI
55AQI
19th May 2025
53AQI
53AQI
20th May 2025
37AQI
37AQI
21st May 2025
42AQI
42AQI
22nd May 2025
46AQI
46AQI
23rd May 2025
49AQI
49AQI
24th May 2025
33AQI
33AQI
25th May 2025
42AQI
42AQI
26th May 2025
43AQI
43AQI
27th May 2025
44AQI
44AQI
28th May 2025
48AQI
48AQI
29th May 2025
43AQI
43AQI
30th May 2025
44AQI
44AQI
31st May 2025
48AQI
48AQI
1st June 2025
57AQI
57AQI
2nd June 2025
57AQI
57AQI
3rd June 2025
55AQI
55AQI
4th June 2025
47AQI
47AQI
5th June 2025
42AQI
42AQI
6th June 2025
42AQI
42AQI
7th June 2025
50AQI
50AQI
8th June 2025
57AQI
57AQI
9th June 2025
49AQI
49AQI
10th June 2025
48AQI
48AQI
11th June 2025
50AQI
50AQI
12th June 2025
49AQI
49AQI
13th June 2025
45AQI
45AQI
14th June 2025
34AQI
34AQI
15th June 2025
35AQI
35AQI
16th June 2025
35AQI
35AQI
17th June 2025
35AQI
35AQI
18th June 2025
49AQI
49AQI
19th June 2025
46AQI
46AQI
20th June 2025
44AQI
44AQI
21st June 2025
41AQI
41AQI
22nd June 2025
36AQI
36AQI
23rd June 2025
44AQI
44AQI
24th June 2025
39AQI
39AQI
25th June 2025
41AQI
41AQI
26th June 2025
48AQI
48AQI
27th June 2025
50AQI
50AQI
28th June 2025
47AQI
47AQI
29th June 2025
47AQI
47AQI
30th June 2025
45AQI
45AQI
1st July 2025
52AQI
52AQI
2nd July 2025
58AQI
58AQI
3rd July 2025
59AQI
59AQI
4th July 2025
61AQI
61AQI
5th July 2025
53AQI
53AQI
6th July 2025
51AQI
51AQI
7th July 2025
53AQI
53AQI
8th July 2025
54AQI
54AQI
9th July 2025
53AQI
53AQI
10th July 2025
56AQI
56AQI
11th July 2025
56AQI
56AQI
12th July 2025
55AQI
55AQI
13th July 2025
53AQI
53AQI
14th July 2025
49AQI
49AQI
15th July 2025
50AQI
50AQI
16th July 2025
53AQI
53AQI
17th July 2025
53AQI
53AQI
18th July 2025
43AQI
43AQI
19th July 2025
44AQI
44AQI
20th July 2025
42AQI
42AQI
21st July 2025
37AQI
37AQI
22nd July 2025
40AQI
40AQI
23rd July 2025
50AQI
50AQI
24th July 2025
45AQI
45AQI
25th July 2025
36AQI
36AQI
26th July 2025
34AQI
34AQI
27th July 2025
34AQI
34AQI
28th July 2025
34AQI
34AQI
29th July 2025
33AQI
33AQI
30th July 2025
38AQI
38AQI
31st July 2025
41AQI
41AQI
1st August 2025
48AQI
48AQI
2nd August 2025
53AQI
53AQI
3rd August 2025
53AQI
53AQI
50AQI
43AQI
53AQI
48AQI
46AQI
45AQI
47AQI
51AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202548AQI
20
11
24
4
15
16
17
13
23
8
26
4
16
15
1
2
142
73
Highest AQI recorded in
March53AQI
Lowest AQI recorded in
February43AQI
202439AQI
27
4
26
2
1
21
10
21
7
2
23
8
22
8
31
28
3
28
2
31
27
3
30
1
315
48
3
Highest AQI recorded in
April52AQI
Lowest AQI recorded in
July26AQI
202342AQI
22
6
3
20
8
17
13
1
19
11
18
13
22
8
24
7
26
5
26
4
27
4
25
2
23
8
269
89
4
Highest AQI recorded in
March52AQI
Lowest AQI recorded in
September35AQI
202241AQI
25
6
15
5
23
8
23
7
17
14
28
2
23
1
1
28
27
4
24
6
28
3
262
56
Highest AQI recorded in
May53AQI
Lowest AQI recorded in
August32AQI
202140AQI
26
5
20
8
23
6
18
3
23
7
1
21
9
31
29
2
27
3
28
3
19
11
26
5
291
62
1
Highest AQI recorded in
May47AQI
Lowest AQI recorded in
January36AQI
202038AQI
11
2
15
6
11
7
26
4
30
1
11
5
5
1
14
1
26
5
145
31
5
Highest AQI recorded in
August58AQI
Lowest AQI recorded in
September0AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
48AQILeast Polluted Year Recorded
2020(Avg.)
38AQIIzuharamachi Miyadani's annual 2025 AQI (48) shows an average percentage change of 18.5% (worsened AQI) compared to previous years: 2020 (38), 2021 (40), 2022 (41), 2023 (42), 2024 (39).
