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
Hirado, Nagasaki, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
21st Aug 2023
58AQILowest AQI recorded on
31st Aug 2023
17AQISame Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 47 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 1st Aug - 2nd Aug 2025
Hirado, Nagasaki, Japan
AQI
Day
Night
.
5 AM1st Aug 2025
7 PM
4 AM2nd Aug 2025
Day time
Avg. Highest Time
10AM1st Aug
57AQI
Avg. Lowest Time
8AM1st Aug
46AQI
Night time
Avg. Highest Time
10PM1st Aug
49AQI
Avg. Lowest Time
3AM2nd Aug
44AQI
In the last 24 hours,
Hirado's AQI reached its highest point of 57 at 10 AM during the Day, while the lowest point, 44, was recorded at 3 AM during the Night between 1st Aug and 2nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Hirado, Nagasaki, Japan
JulAug
03rd - 04th04th - 05th05th - 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
Day
Night
3rd Jul 2025525 AMAQI
3rd Jul 2025526 AMAQI
3rd Jul 2025527 AMAQI
3rd Jul 2025528 AMAQI
3rd Jul 2025589 AMAQI
3rd Jul 20256410 AMAQI
3rd Jul 20256211 AMAQI
3rd Jul 20256212 PMAQI
3rd Jul 2025621 PMAQI
3rd Jul 2025622 PMAQI
3rd Jul 2025623 PMAQI
3rd Jul 2025624 PMAQI
3rd Jul 2025625 PMAQI
3rd Jul 2025606 PMAQI
3rd Jul 2025617 PMAQI
3rd Jul 2025618 PMAQI
3rd Jul 2025589 PMAQI
3rd Jul 20255910 PMAQI
3rd Jul 20255911 PMAQI
4th Jul 20255812 AMAQI
4th Jul 2025571 AMAQI
4th Jul 2025572 AMAQI
4th Jul 2025573 AMAQI
4th Jul 2025574 AMAQI
26°C25/28°C
4th Jul 2025575 AMAQI
4th Jul 2025576 AMAQI
4th Jul 2025577 AMAQI
4th Jul 2025578 AMAQI
4th Jul 2025719 AMAQI
4th Jul 20257710 AMAQI
4th Jul 20257811 AMAQI
4th Jul 20257512 PMAQI
4th Jul 2025671 PMAQI
4th Jul 2025642 PMAQI
4th Jul 2025603 PMAQI
4th Jul 2025624 PMAQI
4th Jul 2025645 PMAQI
4th Jul 2025626 PMAQI
4th Jul 2025627 PMAQI
4th Jul 2025638 PMAQI
4th Jul 2025609 PMAQI
4th Jul 20256010 PMAQI
4th Jul 20255911 PMAQI
5th Jul 20256012 AMAQI
5th Jul 2025581 AMAQI
5th Jul 2025572 AMAQI
5th Jul 2025573 AMAQI
5th Jul 2025574 AMAQI
26°C25/28°C
5th Jul 2025585 AMAQI
5th Jul 2025586 AMAQI
5th Jul 2025587 AMAQI
5th Jul 2025588 AMAQI
5th Jul 2025479 AMAQI
5th Jul 20254110 AMAQI
5th Jul 20254211 AMAQI
5th Jul 20254112 PMAQI
5th Jul 2025491 PMAQI
5th Jul 2025472 PMAQI
5th Jul 2025463 PMAQI
5th Jul 2025464 PMAQI
5th Jul 2025445 PMAQI
5th Jul 2025426 PMAQI
5th Jul 2025427 PMAQI
5th Jul 2025468 PMAQI
5th Jul 2025559 PMAQI
5th Jul 20255610 PMAQI
5th Jul 20255611 PMAQI
6th Jul 20255612 AMAQI
6th Jul 2025561 AMAQI
6th Jul 2025582 AMAQI
6th Jul 2025593 AMAQI
6th Jul 2025584 AMAQI
26°C25/28°C
6th Jul 2025575 AMAQI
6th Jul 2025576 AMAQI
6th Jul 2025577 AMAQI
6th Jul 2025578 AMAQI
6th Jul 2025469 AMAQI
6th Jul 20253210 AMAQI
6th Jul 20253011 AMAQI
6th Jul 20253412 PMAQI
6th Jul 2025441 PMAQI
6th Jul 2025422 PMAQI
6th Jul 2025423 PMAQI
6th Jul 2025414 PMAQI
6th Jul 2025415 PMAQI
6th Jul 2025406 PMAQI
6th Jul 2025427 PMAQI
6th Jul 2025438 PMAQI
6th Jul 2025529 PMAQI
6th Jul 20255410 PMAQI
6th Jul 20255411 PMAQI
7th Jul 20255412 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 2025566 AMAQI
7th Jul 2025567 AMAQI
7th Jul 2025568 AMAQI
7th Jul 2025349 AMAQI
7th Jul 20253010 AMAQI
7th Jul 20253311 AMAQI
7th Jul 20253412 PMAQI
7th Jul 2025461 PMAQI
7th Jul 2025472 PMAQI
7th Jul 2025453 PMAQI
7th Jul 2025464 PMAQI
7th Jul 2025475 PMAQI
7th Jul 2025486 PMAQI
7th Jul 2025477 PMAQI
7th Jul 2025518 PMAQI
7th Jul 2025529 PMAQI
7th Jul 20255410 PMAQI
7th Jul 20255211 PMAQI
8th Jul 20255412 AMAQI
8th Jul 2025551 AMAQI
8th Jul 2025562 AMAQI
8th Jul 2025553 AMAQI
8th Jul 2025554 AMAQI
27°C25/29°C
8th Jul 2025555 AMAQI
8th Jul 2025556 AMAQI
8th Jul 2025557 AMAQI
8th Jul 2025558 AMAQI
8th Jul 2025439 AMAQI
8th Jul 20254110 AMAQI
8th Jul 20254411 AMAQI
8th Jul 20254612 PMAQI
8th Jul 2025541 PMAQI
8th Jul 2025542 PMAQI
8th Jul 2025543 PMAQI
8th Jul 2025564 PMAQI
8th Jul 2025545 PMAQI
8th Jul 2025546 PMAQI
8th Jul 2025547 PMAQI
8th Jul 2025558 PMAQI
8th Jul 2025559 PMAQI
8th Jul 20255510 PMAQI
8th Jul 20255411 PMAQI
9th Jul 20255412 AMAQI
9th Jul 2025551 AMAQI
9th Jul 2025552 AMAQI
9th Jul 2025553 AMAQI
9th Jul 2025554 AMAQI
26°C25/28°C
9th Jul 2025565 AMAQI
9th Jul 2025556 AMAQI
9th Jul 2025557 AMAQI
9th Jul 2025568 AMAQI
9th Jul 2025419 AMAQI
9th Jul 20254210 AMAQI
9th Jul 20254711 AMAQI
9th Jul 20254712 PMAQI
9th Jul 2025531 PMAQI
9th Jul 2025542 PMAQI
9th Jul 2025543 PMAQI
9th Jul 2025564 PMAQI
9th Jul 2025565 PMAQI
9th Jul 2025556 PMAQI
9th Jul 2025547 PMAQI
9th Jul 2025538 PMAQI
9th Jul 2025559 PMAQI
9th Jul 20255510 PMAQI
9th Jul 20255611 PMAQI
10th Jul 20255612 AMAQI
10th Jul 2025561 AMAQI
10th Jul 2025552 AMAQI
10th Jul 2025553 AMAQI
10th Jul 2025554 AMAQI
26°C25/28°C
10th Jul 2025565 AMAQI
10th Jul 2025566 AMAQI
10th Jul 2025567 AMAQI
10th Jul 2025568 AMAQI
10th Jul 2025539 AMAQI
10th Jul 20255310 AMAQI
10th Jul 20255411 AMAQI
10th Jul 20255512 PMAQI
10th Jul 2025561 PMAQI
10th Jul 2025572 PMAQI
10th Jul 2025613 PMAQI
10th Jul 2025614 PMAQI
10th Jul 2025615 PMAQI
10th Jul 2025606 PMAQI
10th Jul 2025597 PMAQI
10th Jul 2025598 PMAQI
10th Jul 2025599 PMAQI
10th Jul 20255810 PMAQI
10th Jul 20255711 PMAQI
11th Jul 20255712 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 2025576 AMAQI
11th Jul 2025567 AMAQI
11th Jul 2025568 AMAQI
11th Jul 2025509 AMAQI
11th Jul 20255110 AMAQI
11th Jul 20255211 AMAQI
11th Jul 20255412 PMAQI
11th Jul 2025561 PMAQI
11th Jul 2025582 PMAQI
11th Jul 2025573 PMAQI
11th Jul 2025584 PMAQI
11th Jul 2025575 PMAQI
11th Jul 2025556 PMAQI
11th Jul 2025547 PMAQI
11th Jul 2025558 PMAQI
11th Jul 2025569 PMAQI
11th Jul 20255610 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 2025509 AMAQI
12th Jul 20254510 AMAQI
12th Jul 20255011 AMAQI
12th Jul 20255012 PMAQI
12th Jul 2025521 PMAQI
12th Jul 2025532 PMAQI
12th Jul 2025523 PMAQI
12th Jul 2025514 PMAQI
12th Jul 2025485 PMAQI
12th Jul 2025486 PMAQI
12th Jul 2025497 PMAQI
12th Jul 2025528 PMAQI
12th Jul 2025579 PMAQI
12th Jul 20255610 PMAQI
12th Jul 20255611 PMAQI
13th Jul 20255612 AMAQI
13th Jul 2025571 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 2025568 AMAQI
13th Jul 2025489 AMAQI
13th Jul 20253510 AMAQI
13th Jul 20253411 AMAQI
13th Jul 20254012 PMAQI
13th Jul 2025431 PMAQI
13th Jul 2025402 PMAQI
13th Jul 2025413 PMAQI
13th Jul 2025454 PMAQI
13th Jul 2025485 PMAQI
13th Jul 2025526 PMAQI
13th Jul 2025507 PMAQI
13th Jul 2025508 PMAQI
13th Jul 2025549 PMAQI
13th Jul 20255210 PMAQI
13th Jul 20255311 PMAQI
14th Jul 20255312 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 2025566 AMAQI
14th Jul 2025567 AMAQI
14th Jul 2025568 AMAQI
14th Jul 2025279 AMAQI
14th Jul 20251810 AMAQI
14th Jul 20251811 AMAQI
14th Jul 20251912 PMAQI
14th Jul 2025311 PMAQI
14th Jul 2025322 PMAQI
14th Jul 2025353 PMAQI
14th Jul 2025384 PMAQI
14th Jul 2025395 PMAQI
14th Jul 2025466 PMAQI
14th Jul 2025497 PMAQI
14th Jul 2025508 PMAQI
14th Jul 2025549 PMAQI
14th Jul 20255410 PMAQI
14th Jul 20255311 PMAQI
15th Jul 20255412 AMAQI
15th Jul 2025551 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025563 AMAQI
15th Jul 2025554 AMAQI
25°C22/26°C
15th Jul 2025545 AMAQI
15th Jul 2025546 AMAQI
15th Jul 2025547 AMAQI
15th Jul 2025548 AMAQI
15th Jul 2025459 AMAQI
15th Jul 20254310 AMAQI
15th Jul 20254211 AMAQI
15th Jul 20254012 PMAQI
15th Jul 2025431 PMAQI
15th Jul 2025412 PMAQI
15th Jul 2025423 PMAQI
15th Jul 2025454 PMAQI
15th Jul 2025405 PMAQI
15th Jul 2025396 PMAQI
15th Jul 2025407 PMAQI
15th Jul 2025478 PMAQI
15th Jul 2025529 PMAQI
15th Jul 20255210 PMAQI
15th Jul 20255311 PMAQI
16th Jul 20255312 AMAQI
16th Jul 2025541 AMAQI
16th Jul 2025542 AMAQI
16th Jul 2025553 AMAQI
16th Jul 2025544 AMAQI
25°C24/26°C
16th Jul 2025545 AMAQI
16th Jul 2025546 AMAQI
16th Jul 2025547 AMAQI
16th Jul 2025548 AMAQI
16th Jul 2025439 AMAQI
16th Jul 20254210 AMAQI
16th Jul 20254211 AMAQI
16th Jul 20254912 PMAQI
16th Jul 2025521 PMAQI
16th Jul 2025502 PMAQI
16th Jul 2025473 PMAQI
16th Jul 2025494 PMAQI
16th Jul 2025515 PMAQI
16th Jul 2025536 PMAQI
16th Jul 2025537 PMAQI
16th Jul 2025538 PMAQI
16th Jul 2025549 PMAQI
16th Jul 20255510 PMAQI
16th Jul 20255611 PMAQI
17th Jul 20255612 AMAQI
17th Jul 2025561 AMAQI
17th Jul 2025542 AMAQI
17th Jul 2025543 AMAQI
17th Jul 2025544 AMAQI
26°C24/28°C
17th Jul 2025545 AMAQI
17th Jul 2025546 AMAQI
17th Jul 2025547 AMAQI
17th Jul 2025548 AMAQI
17th Jul 2025519 AMAQI
17th Jul 20254810 AMAQI
17th Jul 20255211 AMAQI
17th Jul 20255412 PMAQI
17th Jul 2025551 PMAQI
17th Jul 2025542 PMAQI
17th Jul 2025533 PMAQI
17th Jul 2025524 PMAQI
17th Jul 2025515 PMAQI
17th Jul 2025496 PMAQI
17th Jul 2025487 PMAQI
17th Jul 2025478 PMAQI
17th Jul 2025519 PMAQI
17th Jul 20255210 PMAQI
17th Jul 20255211 PMAQI
18th Jul 20255112 AMAQI
18th Jul 2025531 AMAQI
18th Jul 2025552 AMAQI
18th Jul 2025553 AMAQI
18th Jul 2025554 AMAQI
27°C25/29°C
18th Jul 2025545 AMAQI
18th Jul 2025546 AMAQI
18th Jul 2025547 AMAQI
18th Jul 2025558 AMAQI
18th Jul 2025249 AMAQI
18th Jul 20251310 AMAQI
18th Jul 20251511 AMAQI
18th Jul 20251812 PMAQI
18th Jul 2025271 PMAQI
18th Jul 2025272 PMAQI
18th Jul 2025293 PMAQI
18th Jul 2025294 PMAQI
18th Jul 2025275 PMAQI
18th Jul 2025256 PMAQI
18th Jul 2025257 PMAQI
18th Jul 2025348 PMAQI
18th Jul 2025459 PMAQI
18th Jul 20254510 PMAQI
18th Jul 20254511 PMAQI
19th Jul 20254712 AMAQI
19th Jul 2025501 AMAQI
19th Jul 2025532 AMAQI
19th Jul 2025533 AMAQI
19th Jul 2025534 AMAQI
25°C24/27°C
19th Jul 2025525 AMAQI
19th Jul 2025516 AMAQI
19th Jul 2025517 AMAQI
19th Jul 2025528 AMAQI
19th Jul 2025299 AMAQI
19th Jul 20252310 AMAQI
19th Jul 20253011 AMAQI
19th Jul 20253012 PMAQI
19th Jul 2025351 PMAQI
19th Jul 2025362 PMAQI
19th Jul 2025423 PMAQI
19th Jul 2025484 PMAQI
19th Jul 2025495 PMAQI
19th Jul 2025426 PMAQI
19th Jul 2025397 PMAQI
19th Jul 2025388 PMAQI
19th Jul 2025429 PMAQI
19th Jul 20254210 PMAQI
19th Jul 20254211 PMAQI
20th Jul 20254412 AMAQI
20th Jul 2025481 AMAQI
20th Jul 2025522 AMAQI
20th Jul 2025523 AMAQI
20th Jul 2025514 AMAQI
24°C23/26°C
20th Jul 2025485 AMAQI
20th Jul 2025496 AMAQI
20th Jul 2025487 AMAQI
20th Jul 2025498 AMAQI
20th Jul 2025409 AMAQI
20th Jul 20253010 AMAQI
20th Jul 20253011 AMAQI
20th Jul 20252912 PMAQI
20th Jul 2025331 PMAQI
20th Jul 2025322 PMAQI
20th Jul 2025323 PMAQI
20th Jul 2025334 PMAQI
20th Jul 2025355 PMAQI
20th Jul 2025366 PMAQI
20th Jul 2025377 PMAQI
20th Jul 2025398 PMAQI
20th Jul 2025419 PMAQI
20th Jul 20254310 PMAQI
20th Jul 20254711 PMAQI
21st Jul 20255012 AMAQI
21st Jul 2025481 AMAQI
21st Jul 2025492 AMAQI
21st Jul 2025493 AMAQI
21st Jul 2025484 AMAQI
27°C24/30°C
21st Jul 2025475 AMAQI
21st Jul 2025476 AMAQI
21st Jul 2025467 AMAQI
21st Jul 2025468 AMAQI
21st Jul 2025279 AMAQI
21st Jul 20252010 AMAQI
21st Jul 20252011 AMAQI
21st Jul 20252512 PMAQI
21st Jul 2025391 PMAQI
21st Jul 2025402 PMAQI
21st Jul 2025383 PMAQI
21st Jul 2025394 PMAQI
21st Jul 2025355 PMAQI
21st Jul 2025316 PMAQI
21st Jul 2025317 PMAQI
21st Jul 2025358 PMAQI
21st Jul 2025459 PMAQI
21st Jul 20254410 PMAQI
21st Jul 20254411 PMAQI
22nd Jul 20254412 AMAQI
22nd Jul 2025461 AMAQI
22nd Jul 2025472 AMAQI
22nd Jul 2025483 AMAQI
22nd Jul 2025474 AMAQI
27°C25/29°C
22nd Jul 2025455 AMAQI
22nd Jul 2025456 AMAQI
22nd Jul 2025457 AMAQI
22nd Jul 2025458 AMAQI
22nd Jul 2025349 AMAQI
22nd Jul 20253310 AMAQI
22nd Jul 20252911 AMAQI
22nd Jul 20252812 PMAQI
22nd Jul 2025341 PMAQI
22nd Jul 2025292 PMAQI
22nd Jul 2025333 PMAQI
22nd Jul 2025384 PMAQI
22nd Jul 2025365 PMAQI
22nd Jul 2025386 PMAQI
22nd Jul 2025367 PMAQI
22nd Jul 2025388 PMAQI
22nd Jul 2025419 PMAQI
22nd Jul 20254310 PMAQI
22nd Jul 20254311 PMAQI
23rd Jul 20254312 AMAQI
23rd Jul 2025471 AMAQI
23rd Jul 2025472 AMAQI
23rd Jul 2025453 AMAQI
23rd Jul 2025454 AMAQI
27°C25/30°C
23rd Jul 2025445 AMAQI
23rd Jul 2025446 AMAQI
23rd Jul 2025447 AMAQI
23rd Jul 2025448 AMAQI
23rd Jul 2025519 AMAQI
23rd Jul 20255310 AMAQI
23rd Jul 20255211 AMAQI
23rd Jul 20255212 PMAQI
23rd Jul 2025521 PMAQI
23rd Jul 2025492 PMAQI
23rd Jul 2025533 PMAQI
23rd Jul 2025544 PMAQI
23rd Jul 2025535 PMAQI
23rd Jul 2025526 PMAQI
23rd Jul 2025507 PMAQI
23rd Jul 2025518 PMAQI
23rd Jul 2025519 PMAQI
23rd Jul 20254710 PMAQI
23rd Jul 20254411 PMAQI
24th Jul 20253912 AMAQI
24th Jul 2025401 AMAQI
24th Jul 2025452 AMAQI
24th Jul 2025443 AMAQI
24th Jul 2025464 AMAQI
27°C25/30°C
24th Jul 2025465 AMAQI
24th Jul 2025466 AMAQI
24th Jul 2025467 AMAQI
24th Jul 2025468 AMAQI
24th Jul 2025419 AMAQI
24th Jul 20253810 AMAQI
24th Jul 20254611 AMAQI
24th Jul 20255012 PMAQI
24th Jul 2025541 PMAQI
24th Jul 2025502 PMAQI
24th Jul 2025513 PMAQI
24th Jul 2025524 PMAQI
24th Jul 2025495 PMAQI
24th Jul 2025456 PMAQI
24th Jul 2025387 PMAQI
24th Jul 2025348 PMAQI
24th Jul 2025439 PMAQI
24th Jul 20254010 PMAQI
24th Jul 20253911 PMAQI
25th Jul 20253912 AMAQI
25th Jul 2025421 AMAQI
25th Jul 2025462 AMAQI
25th Jul 2025453 AMAQI
25th Jul 2025464 AMAQI
28°C25/30°C
25th Jul 2025475 AMAQI
25th Jul 2025476 AMAQI
25th Jul 2025477 AMAQI
25th Jul 2025478 AMAQI
25th Jul 2025329 AMAQI
25th Jul 20252610 AMAQI
25th Jul 20252111 AMAQI
25th Jul 20252612 PMAQI
25th Jul 2025291 PMAQI
25th Jul 2025282 PMAQI
25th Jul 2025283 PMAQI
25th Jul 2025304 PMAQI
25th Jul 2025255 PMAQI
25th Jul 2025276 PMAQI
25th Jul 2025267 PMAQI
25th Jul 2025308 PMAQI
25th Jul 2025369 PMAQI
25th Jul 20253610 PMAQI
25th Jul 20253511 PMAQI
26th Jul 20253612 AMAQI
26th Jul 2025421 AMAQI
26th Jul 2025462 AMAQI
26th Jul 2025463 AMAQI
26th Jul 2025444 AMAQI
28°C26/30°C
26th Jul 2025425 AMAQI
26th Jul 2025426 AMAQI
26th Jul 2025427 AMAQI
26th Jul 2025428 AMAQI
26th Jul 2025269 AMAQI
26th Jul 20252510 AMAQI
26th Jul 20252311 AMAQI
26th Jul 20252512 PMAQI
26th Jul 2025241 PMAQI
26th Jul 2025272 PMAQI
26th Jul 2025313 PMAQI
26th Jul 2025284 PMAQI
26th Jul 2025265 PMAQI
26th Jul 2025296 PMAQI
26th Jul 2025277 PMAQI
26th Jul 2025288 PMAQI
26th Jul 2025359 PMAQI
26th Jul 20253310 PMAQI
26th Jul 20253411 PMAQI
27th Jul 20253412 AMAQI
27th Jul 2025381 AMAQI
27th Jul 2025432 AMAQI
27th Jul 2025433 AMAQI
27th Jul 2025434 AMAQI
28°C26/30°C
27th Jul 2025395 AMAQI
27th Jul 2025406 AMAQI
27th Jul 2025407 AMAQI
27th Jul 2025418 AMAQI
27th Jul 2025309 AMAQI
27th Jul 20252110 AMAQI
27th Jul 20252311 AMAQI
27th Jul 20252312 PMAQI
27th Jul 2025261 PMAQI
27th Jul 2025272 PMAQI
27th Jul 2025253 PMAQI
27th Jul 2025304 PMAQI
27th Jul 2025275 PMAQI
27th Jul 2025286 PMAQI
27th Jul 2025277 PMAQI
27th Jul 2025308 PMAQI
27th Jul 2025349 PMAQI
27th Jul 20253210 PMAQI
27th Jul 20253311 PMAQI
28th Jul 20253212 AMAQI
28th Jul 2025341 AMAQI
28th Jul 2025402 AMAQI
28th Jul 2025403 AMAQI
28th Jul 2025394 AMAQI
28°C26/30°C
28th Jul 2025375 AMAQI
28th Jul 2025376 AMAQI
28th Jul 2025387 AMAQI
28th Jul 2025378 AMAQI
28th Jul 2025269 AMAQI
28th Jul 20252910 AMAQI
28th Jul 20252411 AMAQI
28th Jul 20252512 PMAQI
28th Jul 2025291 PMAQI
28th Jul 2025262 PMAQI
28th Jul 2025253 PMAQI
28th Jul 2025284 PMAQI
28th Jul 2025355 PMAQI
28th Jul 2025336 PMAQI
28th Jul 2025337 PMAQI
28th Jul 2025298 PMAQI
28th Jul 2025319 PMAQI
28th Jul 20253110 PMAQI
28th Jul 20253211 PMAQI
29th Jul 20253112 AMAQI
29th Jul 2025341 AMAQI
29th Jul 2025382 AMAQI
29th Jul 2025373 AMAQI
29th Jul 2025374 AMAQI
28°C26/30°C
29th Jul 2025365 AMAQI
29th Jul 2025356 AMAQI
29th Jul 2025357 AMAQI
29th Jul 2025348 AMAQI
29th Jul 2025269 AMAQI
29th Jul 20252610 AMAQI
29th Jul 20252911 AMAQI
29th Jul 20253312 PMAQI
29th Jul 2025301 PMAQI
29th Jul 2025292 PMAQI
29th Jul 2025283 PMAQI
29th Jul 2025274 PMAQI
29th Jul 2025285 PMAQI
29th Jul 2025316 PMAQI
29th Jul 2025317 PMAQI
29th Jul 2025358 PMAQI
29th Jul 2025339 PMAQI
29th Jul 20253110 PMAQI
29th Jul 20252911 PMAQI
30th Jul 20252912 AMAQI
30th Jul 2025321 AMAQI
30th Jul 2025352 AMAQI
30th Jul 2025353 AMAQI
30th Jul 2025354 AMAQI
28°C26/30°C
30th Jul 2025345 AMAQI
30th Jul 2025346 AMAQI
30th Jul 2025347 AMAQI
30th Jul 2025348 AMAQI
30th Jul 2025339 AMAQI
30th Jul 20253610 AMAQI
30th Jul 20254011 AMAQI
30th Jul 20254012 PMAQI
30th Jul 2025401 PMAQI
30th Jul 2025382 PMAQI
30th Jul 2025453 PMAQI
30th Jul 2025424 PMAQI
30th Jul 2025385 PMAQI
30th Jul 2025386 PMAQI
30th Jul 2025397 PMAQI
30th Jul 2025388 PMAQI
30th Jul 2025359 PMAQI
30th Jul 20253410 PMAQI
30th Jul 20253311 PMAQI
31st Jul 20253212 AMAQI
31st Jul 2025301 AMAQI
31st Jul 2025332 AMAQI
31st Jul 2025333 AMAQI
31st Jul 2025324 AMAQI
27°C25/30°C
31st Jul 2025325 AMAQI
31st Jul 2025326 AMAQI
31st Jul 2025327 AMAQI
31st Jul 2025328 AMAQI
31st Jul 2025329 AMAQI
31st Jul 20253210 AMAQI
31st Jul 20254411 AMAQI
31st Jul 20254412 PMAQI
31st Jul 2025431 PMAQI
31st Jul 2025422 PMAQI
31st Jul 2025403 PMAQI
31st Jul 2025414 PMAQI
31st Jul 2025435 PMAQI
31st Jul 2025426 PMAQI
31st Jul 2025407 PMAQI
31st Jul 2025428 PMAQI
31st Jul 2025489 PMAQI
31st Jul 20254810 PMAQI
31st Jul 20254311 PMAQI
1st Aug 20254212 AMAQI
1st Aug 2025371 AMAQI
1st Aug 2025422 AMAQI
1st Aug 2025353 AMAQI
1st Aug 2025464 AMAQI
27°C25/30°C
1st Aug 2025465 AMAQI
1st Aug 2025476 AMAQI
1st Aug 2025477 AMAQI
1st Aug 2025468 AMAQI
1st Aug 2025509 AMAQI
1st Aug 20255710 AMAQI
1st Aug 20255311 AMAQI
1st Aug 20255412 PMAQI
1st Aug 2025561 PMAQI
1st Aug 2025482 PMAQI
1st Aug 2025503 PMAQI
1st Aug 2025534 PMAQI
1st Aug 2025525 PMAQI
1st Aug 2025506 PMAQI
1st Aug 2025477 PMAQI
1st Aug 2025488 PMAQI
1st Aug 2025479 PMAQI
1st Aug 20254910 PMAQI
1st Aug 20254811 PMAQI
2nd Aug 20254712 AMAQI
2nd Aug 2025441 AMAQI
2nd Aug 2025482 AMAQI
2nd Aug 2025443 AMAQI
2nd Aug 2025474 AMAQI
28°C26/30°C
2nd Aug 2025515 AMAQI
5 AM2nd Aug 2025496 AMAQI
2nd Aug 2025467 AMAQI
2nd Aug 2025488 AMAQI
2nd Aug 2025549 AMAQI
2nd Aug 20255410 AMAQI
2nd Aug 20255811 AMAQI
2nd Aug 20255612 PMAQI
12 PM2nd Aug 2025571 PMAQI
2nd Aug 2025602 PMAQI
2nd Aug 2025623 PMAQI
2nd Aug 2025554 PMAQI
2nd Aug 2025525 PMAQI
2nd Aug 2025566 PMAQI
2nd Aug 2025527 PMAQI
7 PM2nd Aug 2025538 PMAQI
2nd Aug 2025539 PMAQI
2nd Aug 20255310 PMAQI
2nd Aug 20255311 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 - 11 AM
39AQI
2 hours / Day
60 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 11 AM (Avg. 39).
Night time
Avg. Highest Time
12 AM - 4 AM
49AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
8 PM
45AQI
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. 49), while the lowest AQI was between 8 PM to 8 PM (Avg. 45).
2025 Days Vs Air Quality
Hirado, Nagasaki, Japan
2025
70%
149
30%
64
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Good
149 DaysModerate
64 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 70%
Health Risk Level:
Low
In 2025, 70% of 214 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
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
36AQI
36AQI
2nd January 2025
48AQI
48AQI
3rd January 2025
37AQI
37AQI
4th January 2025
38AQI
38AQI
5th January 2025
33AQI
33AQI
6th January 2025
69AQI
69AQI
7th January 2025
32AQI
32AQI
8th January 2025
44AQI
44AQI
9th January 2025
31AQI
31AQI
10th January 2025
36AQI
36AQI
11th January 2025
33AQI
33AQI
12th January 2025
36AQI
36AQI
13th January 2025
43AQI
43AQI
14th January 2025
61AQI
61AQI
15th January 2025
44AQI
44AQI
16th January 2025
44AQI
44AQI
17th January 2025
55AQI
55AQI
18th January 2025
56AQI
56AQI
19th January 2025
45AQI
45AQI
20th January 2025
69AQI
69AQI
21st January 2025
93AQI
93AQI
22nd January 2025
77AQI
77AQI
23rd January 2025
94AQI
94AQI
24th January 2025
63AQI
63AQI
25th January 2025
51AQI
51AQI
26th January 2025
43AQI
43AQI
27th January 2025
47AQI
47AQI
28th January 2025
40AQI
40AQI
29th January 2025
39AQI
39AQI
30th January 2025
41AQI
41AQI
31st January 2025
45AQI
45AQI
1st February 2025
41AQI
41AQI
2nd February 2025
42AQI
42AQI
3rd February 2025
46AQI
46AQI
4th February 2025
37AQI
37AQI
5th February 2025
40AQI
40AQI
6th February 2025
36AQI
36AQI
7th February 2025
42AQI
42AQI
8th February 2025
32AQI
32AQI
9th February 2025
36AQI
36AQI
10th February 2025
35AQI
35AQI
11th February 2025
46AQI
46AQI
12th February 2025
36AQI
36AQI
13th February 2025
39AQI
39AQI
14th February 2025
46AQI
46AQI
15th February 2025
40AQI
40AQI
16th February 2025
51AQI
51AQI
17th February 2025
44AQI
44AQI
18th February 2025
40AQI
40AQI
19th February 2025
39AQI
39AQI
20th February 2025
36AQI
36AQI
21st February 2025
34AQI
34AQI
22nd February 2025
38AQI
38AQI
23rd February 2025
40AQI
40AQI
24th February 2025
38AQI
38AQI
25th February 2025
40AQI
40AQI
26th February 2025
77AQI
77AQI
27th February 2025
60AQI
60AQI
28th February 2025
60AQI
60AQI
1st March 2025
53AQI
53AQI
2nd March 2025
41AQI
41AQI
3rd March 2025
44AQI
44AQI
4th March 2025
39AQI
39AQI
5th March 2025
35AQI
35AQI
6th March 2025
33AQI
33AQI
7th March 2025
39AQI
39AQI
8th March 2025
39AQI
39AQI
9th March 2025
51AQI
51AQI
10th March 2025
48AQI
48AQI
11th March 2025
56AQI
56AQI
12th March 2025
55AQI
55AQI
13th March 2025
51AQI
51AQI
14th March 2025
41AQI
41AQI
15th March 2025
34AQI
34AQI
16th March 2025
38AQI
38AQI
17th March 2025
47AQI
47AQI
18th March 2025
52AQI
52AQI
19th March 2025
57AQI
57AQI
20th March 2025
58AQI
58AQI
21st March 2025
66AQI
66AQI
22nd March 2025
72AQI
72AQI
23rd March 2025
73AQI
73AQI
24th March 2025
65AQI
65AQI
25th March 2025
75AQI
75AQI
26th March 2025
70AQI
70AQI
27th March 2025
51AQI
51AQI
28th March 2025
67AQI
67AQI
29th March 2025
49AQI
49AQI
30th March 2025
41AQI
41AQI
31st March 2025
46AQI
46AQI
1st April 2025
43AQI
43AQI
2nd April 2025
37AQI
37AQI
3rd April 2025
37AQI
37AQI
4th April 2025
45AQI
45AQI
5th April 2025
43AQI
43AQI
6th April 2025
49AQI
49AQI
7th April 2025
44AQI
44AQI
8th April 2025
54AQI
54AQI
9th April 2025
62AQI
62AQI
10th April 2025
59AQI
59AQI
11th April 2025
61AQI
61AQI
12th April 2025
56AQI
56AQI
13th April 2025
50AQI
50AQI
14th April 2025
48AQI
48AQI
15th April 2025
39AQI
39AQI
16th April 2025
53AQI
53AQI
17th April 2025
49AQI
49AQI
18th April 2025
53AQI
53AQI
19th April 2025
45AQI
45AQI
20th April 2025
39AQI
39AQI
21st April 2025
34AQI
34AQI
22nd April 2025
31AQI
31AQI
23rd April 2025
29AQI
29AQI
24th April 2025
39AQI
39AQI
25th April 2025
56AQI
56AQI
26th April 2025
43AQI
43AQI
27th April 2025
47AQI
47AQI
28th April 2025
39AQI
39AQI
29th April 2025
49AQI
49AQI
30th April 2025
51AQI
51AQI
1st May 2025
45AQI
45AQI
2nd May 2025
43AQI
43AQI
3rd May 2025
45AQI
45AQI
4th May 2025
42AQI
42AQI
5th May 2025
42AQI
42AQI
6th May 2025
41AQI
41AQI
7th May 2025
43AQI
43AQI
8th May 2025
44AQI
44AQI
9th May 2025
34AQI
34AQI
10th May 2025
35AQI
35AQI
11th May 2025
50AQI
50AQI
12th May 2025
54AQI
54AQI
13th May 2025
59AQI
59AQI
14th May 2025
60AQI
60AQI
15th May 2025
56AQI
56AQI
16th May 2025
58AQI
58AQI
17th May 2025
38AQI
38AQI
18th May 2025
54AQI
54AQI
19th May 2025
52AQI
52AQI
20th May 2025
37AQI
37AQI
21st May 2025
39AQI
39AQI
22nd May 2025
43AQI
43AQI
23rd May 2025
46AQI
46AQI
24th May 2025
31AQI
31AQI
25th May 2025
40AQI
40AQI
26th May 2025
39AQI
39AQI
27th May 2025
43AQI
43AQI
28th May 2025
47AQI
47AQI
29th May 2025
43AQI
43AQI
30th May 2025
43AQI
43AQI
31st May 2025
45AQI
45AQI
1st June 2025
55AQI
55AQI
2nd June 2025
55AQI
55AQI
3rd June 2025
51AQI
51AQI
4th June 2025
47AQI
47AQI
5th June 2025
43AQI
43AQI
6th June 2025
43AQI
43AQI
7th June 2025
52AQI
52AQI
8th June 2025
60AQI
60AQI
9th June 2025
47AQI
47AQI
10th June 2025
44AQI
44AQI
11th June 2025
48AQI
48AQI
12th June 2025
46AQI
46AQI
13th June 2025
43AQI
43AQI
14th June 2025
31AQI
31AQI
15th June 2025
32AQI
32AQI
16th June 2025
34AQI
34AQI
17th June 2025
33AQI
33AQI
18th June 2025
46AQI
46AQI
19th June 2025
42AQI
42AQI
20th June 2025
40AQI
40AQI
21st June 2025
39AQI
39AQI
22nd June 2025
37AQI
37AQI
23rd June 2025
42AQI
42AQI
24th June 2025
36AQI
36AQI
25th June 2025
38AQI
38AQI
26th June 2025
46AQI
46AQI
27th June 2025
46AQI
46AQI
28th June 2025
42AQI
42AQI
29th June 2025
42AQI
42AQI
30th June 2025
41AQI
41AQI
1st July 2025
52AQI
52AQI
2nd July 2025
58AQI
58AQI
3rd July 2025
59AQI
59AQI
4th July 2025
61AQI
61AQI
5th July 2025
52AQI
52AQI
6th July 2025
50AQI
50AQI
7th July 2025
50AQI
50AQI
8th July 2025
54AQI
54AQI
9th July 2025
54AQI
54AQI
10th July 2025
57AQI
57AQI
11th July 2025
56AQI
56AQI
12th July 2025
54AQI
54AQI
13th July 2025
51AQI
51AQI
14th July 2025
47AQI
47AQI
15th July 2025
49AQI
49AQI
16th July 2025
52AQI
52AQI
17th July 2025
53AQI
53AQI
18th July 2025
41AQI
41AQI
19th July 2025
44AQI
44AQI
20th July 2025
42AQI
42AQI
21st July 2025
40AQI
40AQI
22nd July 2025
40AQI
40AQI
23rd July 2025
48AQI
48AQI
24th July 2025
44AQI
44AQI
25th July 2025
36AQI
36AQI
26th July 2025
34AQI
34AQI
27th July 2025
33AQI
33AQI
28th July 2025
33AQI
33AQI
29th July 2025
32AQI
32AQI
30th July 2025
36AQI
36AQI
31st July 2025
38AQI
38AQI
1st August 2025
47AQI
47AQI
49AQI
43AQI
51AQI
46AQI
45AQI
43AQI
47AQI
47AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202546AQI
21
10
24
4
15
16
21
9
24
7
25
5
18
13
1
149
64
Highest AQI recorded in
March51AQI
Lowest AQI recorded in
February43AQI
202439AQI
28
3
26
2
1
22
9
18
10
2
22
9
23
7
31
30
1
27
3
31
29
1
30
1
317
46
3
Highest AQI recorded in
April53AQI
Lowest AQI recorded in
July24AQI
202342AQI
22
6
3
21
7
17
13
1
18
12
19
12
25
5
26
5
27
4
27
3
28
3
27
2
23
8
280
80
4
Highest AQI recorded in
March52AQI
Lowest AQI recorded in
September34AQI
202241AQI
22
8
1
16
5
23
8
25
5
17
14
28
2
23
1
1
29
27
4
25
5
27
4
263
56
1
Highest AQI recorded in
May51AQI
Lowest AQI recorded in
August32AQI
202141AQI
24
7
20
8
20
9
17
4
19
11
1
22
8
31
31
27
3
26
5
17
13
25
6
279
74
1
Highest AQI recorded in
May49AQI
Lowest AQI recorded in
July34AQI
202038AQI
13
17
4
9
9
26
4
31
19
7
5
17
2
24
5
22
6
24
7
202
44
5
Highest AQI recorded in
August52AQI
Lowest AQI recorded in
July25AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
46AQILeast Polluted Year Recorded
2020(Avg.)
38AQIHirado's annual 2025 AQI (46) shows an average percentage change of 15.3% (worsened AQI) compared to previous years: 2020 (38), 2021 (41), 2022 (41), 2023 (42), 2024 (39).
