Masuda, Shimane, 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
Masuda, Shimane, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
2nd Aug 2021
65AQILowest AQI recorded on
29th Aug 2024
10AQISame Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 44 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Masuda, Shimane, Japan
AQI
Day
Night
.
5 AM2nd Aug 2025
7 PM
4 AM3rd Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
3PM2nd Aug
59AQI
Avg. Lowest Time
12AM3rd Aug
35AQI
In the last 24 hours,
Masuda's AQI reached its highest point of 59 at 3 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Masuda, Shimane, Japan
JulAug
04th - 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 - 03rd03rd
Day
Night
4th Jul 2025625 AMAQI
4th Jul 2025626 AMAQI
4th Jul 2025637 AMAQI
4th Jul 2025638 AMAQI
4th Jul 2025799 AMAQI
4th Jul 20258210 AMAQI
4th Jul 20258811 AMAQI
4th Jul 20258712 PMAQI
4th Jul 2025851 PMAQI
4th Jul 2025902 PMAQI
4th Jul 2025903 PMAQI
4th Jul 2025824 PMAQI
4th Jul 2025775 PMAQI
4th Jul 2025776 PMAQI
4th Jul 2025747 PMAQI
4th Jul 2025728 PMAQI
4th Jul 2025699 PMAQI
4th Jul 20257010 PMAQI
4th Jul 20257111 PMAQI
5th Jul 20256912 AMAQI
5th Jul 2025691 AMAQI
5th Jul 2025652 AMAQI
5th Jul 2025643 AMAQI
5th Jul 2025664 AMAQI
27°C24/29°C
5th Jul 2025685 AMAQI
5th Jul 2025706 AMAQI
5th Jul 2025697 AMAQI
5th Jul 2025688 AMAQI
5th Jul 2025769 AMAQI
5th Jul 20257610 AMAQI
5th Jul 20257411 AMAQI
5th Jul 20256012 PMAQI
5th Jul 2025561 PMAQI
5th Jul 2025582 PMAQI
5th Jul 2025593 PMAQI
5th Jul 2025604 PMAQI
5th Jul 2025585 PMAQI
5th Jul 2025586 PMAQI
5th Jul 2025607 PMAQI
5th Jul 2025668 PMAQI
5th Jul 2025659 PMAQI
5th Jul 20256410 PMAQI
5th Jul 20256411 PMAQI
6th Jul 20256312 AMAQI
6th Jul 2025651 AMAQI
6th Jul 2025692 AMAQI
6th Jul 2025703 AMAQI
6th Jul 2025714 AMAQI
26°C24/29°C
6th Jul 2025745 AMAQI
6th Jul 2025716 AMAQI
6th Jul 2025727 AMAQI
6th Jul 2025738 AMAQI
6th Jul 2025559 AMAQI
6th Jul 20254210 AMAQI
6th Jul 20253811 AMAQI
6th Jul 20253812 PMAQI
6th Jul 2025441 PMAQI
6th Jul 2025442 PMAQI
6th Jul 2025403 PMAQI
6th Jul 2025484 PMAQI
6th Jul 2025445 PMAQI
6th Jul 2025386 PMAQI
6th Jul 2025397 PMAQI
6th Jul 2025488 PMAQI
6th Jul 2025589 PMAQI
6th Jul 20255910 PMAQI
6th Jul 20255911 PMAQI
7th Jul 20255812 AMAQI
7th Jul 2025641 AMAQI
7th Jul 2025682 AMAQI
7th Jul 2025713 AMAQI
7th Jul 2025684 AMAQI
26°C24/29°C
7th Jul 2025665 AMAQI
7th Jul 2025666 AMAQI
7th Jul 2025667 AMAQI
7th Jul 2025668 AMAQI
7th Jul 2025439 AMAQI
7th Jul 20254310 AMAQI
7th Jul 20254811 AMAQI
7th Jul 20255012 PMAQI
7th Jul 2025491 PMAQI
7th Jul 2025472 PMAQI
7th Jul 2025493 PMAQI
7th Jul 2025484 PMAQI
7th Jul 2025525 PMAQI
7th Jul 2025536 PMAQI
7th Jul 2025507 PMAQI
7th Jul 2025578 PMAQI
7th Jul 2025619 PMAQI
7th Jul 20256110 PMAQI
7th Jul 20256111 PMAQI
8th Jul 20256112 AMAQI
8th Jul 2025641 AMAQI
8th Jul 2025672 AMAQI
8th Jul 2025663 AMAQI
8th Jul 2025664 AMAQI
26°C23/29°C
8th Jul 2025655 AMAQI
8th Jul 2025646 AMAQI
8th Jul 2025637 AMAQI
8th Jul 2025648 AMAQI
8th Jul 2025579 AMAQI
8th Jul 20255510 AMAQI
8th Jul 20255611 AMAQI
8th Jul 20255612 PMAQI
8th Jul 2025571 PMAQI
8th Jul 2025562 PMAQI
8th Jul 2025563 PMAQI
8th Jul 2025564 PMAQI
8th Jul 2025555 PMAQI
8th Jul 2025526 PMAQI
8th Jul 2025427 PMAQI
8th Jul 2025488 PMAQI
8th Jul 2025579 PMAQI
8th Jul 20255810 PMAQI
8th Jul 20255711 PMAQI
9th Jul 20255712 AMAQI
9th Jul 2025611 AMAQI
9th Jul 2025642 AMAQI
9th Jul 2025653 AMAQI
9th Jul 2025654 AMAQI
26°C24/28°C
9th Jul 2025645 AMAQI
9th Jul 2025646 AMAQI
9th Jul 2025647 AMAQI
9th Jul 2025648 AMAQI
9th Jul 2025519 AMAQI
9th Jul 20255110 AMAQI
9th Jul 20255911 AMAQI
9th Jul 20256112 PMAQI
9th Jul 2025651 PMAQI
9th Jul 2025662 PMAQI
9th Jul 2025663 PMAQI
9th Jul 2025704 PMAQI
9th Jul 2025705 PMAQI
9th Jul 2025696 PMAQI
9th Jul 2025707 PMAQI
9th Jul 2025698 PMAQI
9th Jul 2025689 PMAQI
9th Jul 20256710 PMAQI
9th Jul 20256611 PMAQI
10th Jul 20256512 AMAQI
10th Jul 2025661 AMAQI
10th Jul 2025652 AMAQI
10th Jul 2025643 AMAQI
10th Jul 2025644 AMAQI
26°C24/28°C
10th Jul 2025645 AMAQI
10th Jul 2025646 AMAQI
10th Jul 2025647 AMAQI
10th Jul 2025648 AMAQI
10th Jul 2025669 AMAQI
10th Jul 20256710 AMAQI
10th Jul 20257411 AMAQI
10th Jul 20257812 PMAQI
10th Jul 2025791 PMAQI
10th Jul 2025802 PMAQI
10th Jul 2025833 PMAQI
10th Jul 2025844 PMAQI
10th Jul 2025805 PMAQI
10th Jul 2025756 PMAQI
10th Jul 2025717 PMAQI
10th Jul 2025698 PMAQI
10th Jul 2025669 PMAQI
10th Jul 20256610 PMAQI
10th Jul 20256711 PMAQI
11th Jul 20256712 AMAQI
11th Jul 2025681 AMAQI
11th Jul 2025662 AMAQI
11th Jul 2025663 AMAQI
11th Jul 2025674 AMAQI
26°C24/29°C
11th Jul 2025685 AMAQI
11th Jul 2025686 AMAQI
11th Jul 2025687 AMAQI
11th Jul 2025688 AMAQI
11th Jul 2025709 AMAQI
11th Jul 20257210 AMAQI
11th Jul 20257211 AMAQI
11th Jul 20257112 PMAQI
11th Jul 2025671 PMAQI
11th Jul 2025672 PMAQI
11th Jul 2025613 PMAQI
11th Jul 2025574 PMAQI
11th Jul 2025575 PMAQI
11th Jul 2025566 PMAQI
11th Jul 2025547 PMAQI
11th Jul 2025568 PMAQI
11th Jul 2025619 PMAQI
11th Jul 20256110 PMAQI
11th Jul 20256011 PMAQI
12th Jul 20256012 AMAQI
12th Jul 2025621 AMAQI
12th Jul 2025672 AMAQI
12th Jul 2025683 AMAQI
12th Jul 2025684 AMAQI
26°C24/28°C
12th Jul 2025685 AMAQI
12th Jul 2025686 AMAQI
12th Jul 2025687 AMAQI
12th Jul 2025688 AMAQI
12th Jul 2025459 AMAQI
12th Jul 20254410 AMAQI
12th Jul 20255311 AMAQI
12th Jul 20255412 PMAQI
12th Jul 2025511 PMAQI
12th Jul 2025492 PMAQI
12th Jul 2025503 PMAQI
12th Jul 2025484 PMAQI
12th Jul 2025475 PMAQI
12th Jul 2025496 PMAQI
12th Jul 2025497 PMAQI
12th Jul 2025548 PMAQI
12th Jul 2025599 PMAQI
12th Jul 20255810 PMAQI
12th Jul 20255811 PMAQI
13th Jul 20255812 AMAQI
13th Jul 2025601 AMAQI
13th Jul 2025642 AMAQI
13th Jul 2025673 AMAQI
13th Jul 2025654 AMAQI
26°C24/27°C
13th Jul 2025645 AMAQI
13th Jul 2025636 AMAQI
13th Jul 2025637 AMAQI
13th Jul 2025638 AMAQI
13th Jul 2025529 AMAQI
13th Jul 20254210 AMAQI
13th Jul 20254811 AMAQI
13th Jul 20255012 PMAQI
13th Jul 2025461 PMAQI
13th Jul 2025442 PMAQI
13th Jul 2025453 PMAQI
13th Jul 2025484 PMAQI
13th Jul 2025475 PMAQI
13th Jul 2025456 PMAQI
13th Jul 2025447 PMAQI
13th Jul 2025508 PMAQI
13th Jul 2025569 PMAQI
13th Jul 20255510 PMAQI
13th Jul 20255411 PMAQI
14th Jul 20255412 AMAQI
14th Jul 2025561 AMAQI
14th Jul 2025622 AMAQI
14th Jul 2025633 AMAQI
14th Jul 2025624 AMAQI
27°C24/30°C
14th Jul 2025605 AMAQI
14th Jul 2025606 AMAQI
14th Jul 2025607 AMAQI
14th Jul 2025608 AMAQI
14th Jul 2025279 AMAQI
14th Jul 20251710 AMAQI
14th Jul 20251611 AMAQI
14th Jul 20251612 PMAQI
14th Jul 2025221 PMAQI
14th Jul 2025212 PMAQI
14th Jul 2025203 PMAQI
14th Jul 2025204 PMAQI
14th Jul 2025195 PMAQI
14th Jul 2025206 PMAQI
14th Jul 2025227 PMAQI
14th Jul 2025348 PMAQI
14th Jul 2025499 PMAQI
14th Jul 20254810 PMAQI
14th Jul 20254811 PMAQI
15th Jul 20255112 AMAQI
15th Jul 2025511 AMAQI
15th Jul 2025542 AMAQI
15th Jul 2025583 AMAQI
15th Jul 2025584 AMAQI
24°C22/27°C
15th Jul 2025555 AMAQI
15th Jul 2025556 AMAQI
15th Jul 2025557 AMAQI
15th Jul 2025558 AMAQI
15th Jul 2025479 AMAQI
15th Jul 20254310 AMAQI
15th Jul 20254411 AMAQI
15th Jul 20254812 PMAQI
15th Jul 2025441 PMAQI
15th Jul 2025392 PMAQI
15th Jul 2025403 PMAQI
15th Jul 2025474 PMAQI
15th Jul 2025515 PMAQI
15th Jul 2025556 PMAQI
15th Jul 2025587 PMAQI
15th Jul 2025588 PMAQI
15th Jul 2025589 PMAQI
15th Jul 20255610 PMAQI
15th Jul 20255711 PMAQI
16th Jul 20255912 AMAQI
16th Jul 2025581 AMAQI
16th Jul 2025562 AMAQI
16th Jul 2025553 AMAQI
16th Jul 2025544 AMAQI
25°C20/30°C
16th Jul 2025545 AMAQI
16th Jul 2025546 AMAQI
16th Jul 2025547 AMAQI
16th Jul 2025548 AMAQI
16th Jul 2025569 AMAQI
16th Jul 20255310 AMAQI
16th Jul 20255211 AMAQI
16th Jul 20255212 PMAQI
16th Jul 2025571 PMAQI
16th Jul 2025572 PMAQI
16th Jul 2025573 PMAQI
16th Jul 2025594 PMAQI
16th Jul 2025605 PMAQI
16th Jul 2025566 PMAQI
16th Jul 2025577 PMAQI
16th Jul 2025628 PMAQI
16th Jul 2025579 PMAQI
16th Jul 20255410 PMAQI
16th Jul 20255611 PMAQI
17th Jul 20255712 AMAQI
17th Jul 2025571 AMAQI
17th Jul 2025562 AMAQI
17th Jul 2025553 AMAQI
17th Jul 2025554 AMAQI
26°C22/31°C
17th Jul 2025555 AMAQI
17th Jul 2025556 AMAQI
17th Jul 2025557 AMAQI
17th Jul 2025558 AMAQI
17th Jul 2025419 AMAQI
17th Jul 20253610 AMAQI
17th Jul 20253611 AMAQI
17th Jul 20253612 PMAQI
17th Jul 2025351 PMAQI
17th Jul 2025312 PMAQI
17th Jul 2025323 PMAQI
17th Jul 2025364 PMAQI
17th Jul 2025375 PMAQI
17th Jul 2025376 PMAQI
17th Jul 2025337 PMAQI
17th Jul 2025358 PMAQI
17th Jul 2025439 PMAQI
17th Jul 20254310 PMAQI
17th Jul 20254211 PMAQI
18th Jul 20254012 AMAQI
18th Jul 2025461 AMAQI
18th Jul 2025522 AMAQI
18th Jul 2025563 AMAQI
18th Jul 2025544 AMAQI
27°C24/31°C
18th Jul 2025535 AMAQI
18th Jul 2025536 AMAQI
18th Jul 2025547 AMAQI
18th Jul 2025538 AMAQI
18th Jul 2025229 AMAQI
18th Jul 20251310 AMAQI
18th Jul 20251511 AMAQI
18th Jul 20251612 PMAQI
18th Jul 2025191 PMAQI
18th Jul 2025182 PMAQI
18th Jul 2025183 PMAQI
18th Jul 2025224 PMAQI
18th Jul 2025245 PMAQI
18th Jul 2025266 PMAQI
18th Jul 2025247 PMAQI
18th Jul 2025318 PMAQI
18th Jul 2025419 PMAQI
18th Jul 20254110 PMAQI
18th Jul 20254011 PMAQI
19th Jul 20253912 AMAQI
19th Jul 2025421 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025503 AMAQI
19th Jul 2025494 AMAQI
25°C24/26°C
19th Jul 2025465 AMAQI
19th Jul 2025466 AMAQI
19th Jul 2025467 AMAQI
19th Jul 2025468 AMAQI
19th Jul 2025249 AMAQI
19th Jul 20251810 AMAQI
19th Jul 20251911 AMAQI
19th Jul 20251712 PMAQI
19th Jul 2025221 PMAQI
19th Jul 2025222 PMAQI
19th Jul 2025223 PMAQI
19th Jul 2025224 PMAQI
19th Jul 2025215 PMAQI
19th Jul 2025196 PMAQI
19th Jul 2025207 PMAQI
19th Jul 2025278 PMAQI
19th Jul 2025359 PMAQI
19th Jul 20253410 PMAQI
19th Jul 20253411 PMAQI
20th Jul 20253412 AMAQI
20th Jul 2025361 AMAQI
20th Jul 2025422 AMAQI
20th Jul 2025473 AMAQI
20th Jul 2025454 AMAQI
26°C24/30°C
20th Jul 2025425 AMAQI
20th Jul 2025426 AMAQI
20th Jul 2025427 AMAQI
20th Jul 2025428 AMAQI
20th Jul 2025319 AMAQI
20th Jul 20251910 AMAQI
20th Jul 20252011 AMAQI
20th Jul 20251812 PMAQI
20th Jul 2025171 PMAQI
20th Jul 2025192 PMAQI
20th Jul 2025213 PMAQI
20th Jul 2025224 PMAQI
20th Jul 2025225 PMAQI
20th Jul 2025226 PMAQI
20th Jul 2025207 PMAQI
20th Jul 2025288 PMAQI
20th Jul 2025339 PMAQI
20th Jul 20253310 PMAQI
20th Jul 20253411 PMAQI
21st Jul 20253212 AMAQI
21st Jul 2025351 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025423 AMAQI
21st Jul 2025404 AMAQI
27°C23/31°C
21st Jul 2025385 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025387 AMAQI
21st Jul 2025388 AMAQI
21st Jul 2025229 AMAQI
21st Jul 20251710 AMAQI
21st Jul 20251711 AMAQI
21st Jul 20251912 PMAQI
21st Jul 2025181 PMAQI
21st Jul 2025192 PMAQI
21st Jul 2025223 PMAQI
21st Jul 2025214 PMAQI
21st Jul 2025205 PMAQI
21st Jul 2025196 PMAQI
21st Jul 2025197 PMAQI
21st Jul 2025248 PMAQI
21st Jul 2025309 PMAQI
21st Jul 20253210 PMAQI
21st Jul 20253211 PMAQI
22nd Jul 20253212 AMAQI
22nd Jul 2025341 AMAQI
22nd Jul 2025382 AMAQI
22nd Jul 2025393 AMAQI
22nd Jul 2025374 AMAQI
26°C23/30°C
22nd Jul 2025355 AMAQI
22nd Jul 2025346 AMAQI
22nd Jul 2025347 AMAQI
22nd Jul 2025348 AMAQI
22nd Jul 2025269 AMAQI
22nd Jul 20252210 AMAQI
22nd Jul 20251811 AMAQI
22nd Jul 20252212 PMAQI
22nd Jul 2025251 PMAQI
22nd Jul 2025242 PMAQI
22nd Jul 2025253 PMAQI
22nd Jul 2025264 PMAQI
22nd Jul 2025265 PMAQI
22nd Jul 2025256 PMAQI
22nd Jul 2025287 PMAQI
22nd Jul 2025308 PMAQI
22nd Jul 2025329 PMAQI
22nd Jul 20253210 PMAQI
22nd Jul 20253211 PMAQI
23rd Jul 20253412 AMAQI
23rd Jul 2025361 AMAQI
23rd Jul 2025362 AMAQI
23rd Jul 2025363 AMAQI
23rd Jul 2025344 AMAQI
26°C23/30°C
23rd Jul 2025335 AMAQI
23rd Jul 2025336 AMAQI
23rd Jul 2025337 AMAQI
23rd Jul 2025338 AMAQI
23rd Jul 2025259 AMAQI
23rd Jul 20252710 AMAQI
23rd Jul 20253111 AMAQI
23rd Jul 20253212 PMAQI
23rd Jul 2025321 PMAQI
23rd Jul 2025452 PMAQI
23rd Jul 2025473 PMAQI
23rd Jul 2025494 PMAQI
23rd Jul 2025495 PMAQI
23rd Jul 2025426 PMAQI
23rd Jul 2025377 PMAQI
23rd Jul 2025358 PMAQI
23rd Jul 2025339 PMAQI
23rd Jul 20253610 PMAQI
23rd Jul 20253611 PMAQI
24th Jul 20253512 AMAQI
24th Jul 2025361 AMAQI
24th Jul 2025352 AMAQI
24th Jul 2025343 AMAQI
24th Jul 2025344 AMAQI
27°C23/30°C
24th Jul 2025345 AMAQI
24th Jul 2025346 AMAQI
24th Jul 2025347 AMAQI
24th Jul 2025348 AMAQI
24th Jul 2025309 AMAQI
24th Jul 20252710 AMAQI
24th Jul 20252811 AMAQI
24th Jul 20253612 PMAQI
24th Jul 2025461 PMAQI
24th Jul 2025542 PMAQI
24th Jul 2025533 PMAQI
24th Jul 2025454 PMAQI
24th Jul 2025425 PMAQI
24th Jul 2025416 PMAQI
24th Jul 2025417 PMAQI
24th Jul 2025398 PMAQI
24th Jul 2025369 PMAQI
24th Jul 20253710 PMAQI
24th Jul 20253711 PMAQI
25th Jul 20253512 AMAQI
25th Jul 2025341 AMAQI
25th Jul 2025342 AMAQI
25th Jul 2025343 AMAQI
25th Jul 2025354 AMAQI
27°C23/31°C
25th Jul 2025355 AMAQI
25th Jul 2025356 AMAQI
25th Jul 2025357 AMAQI
25th Jul 2025348 AMAQI
25th Jul 2025259 AMAQI
25th Jul 20252410 AMAQI
25th Jul 20252911 AMAQI
25th Jul 20253412 PMAQI
25th Jul 2025361 PMAQI
25th Jul 2025362 PMAQI
25th Jul 2025353 PMAQI
25th Jul 2025364 PMAQI
25th Jul 2025405 PMAQI
25th Jul 2025446 PMAQI
25th Jul 2025477 PMAQI
25th Jul 2025478 PMAQI
25th Jul 2025489 PMAQI
25th Jul 20254510 PMAQI
25th Jul 20254611 PMAQI
26th Jul 20254512 AMAQI
26th Jul 2025381 AMAQI
26th Jul 2025352 AMAQI
26th Jul 2025333 AMAQI
26th Jul 2025334 AMAQI
28°C24/31°C
26th Jul 2025335 AMAQI
26th Jul 2025336 AMAQI
26th Jul 2025337 AMAQI
26th Jul 2025338 AMAQI
26th Jul 2025279 AMAQI
26th Jul 20253010 AMAQI
26th Jul 20253111 AMAQI
26th Jul 20253112 PMAQI
26th Jul 2025301 PMAQI
26th Jul 2025292 PMAQI
26th Jul 2025223 PMAQI
26th Jul 2025244 PMAQI
26th Jul 2025265 PMAQI
26th Jul 2025246 PMAQI
26th Jul 2025267 PMAQI
26th Jul 2025308 PMAQI
26th Jul 2025299 PMAQI
26th Jul 20253010 PMAQI
26th Jul 20252911 PMAQI
27th Jul 20252912 AMAQI
27th Jul 2025301 AMAQI
27th Jul 2025322 AMAQI
27th Jul 2025343 AMAQI
27th Jul 2025344 AMAQI
28°C25/31°C
27th Jul 2025325 AMAQI
27th Jul 2025336 AMAQI
27th Jul 2025337 AMAQI
27th Jul 2025348 AMAQI
27th Jul 2025259 AMAQI
27th Jul 20251810 AMAQI
27th Jul 20251711 AMAQI
27th Jul 20251612 PMAQI
27th Jul 2025181 PMAQI
27th Jul 2025192 PMAQI
27th Jul 2025203 PMAQI
27th Jul 2025234 PMAQI
27th Jul 2025265 PMAQI
27th Jul 2025266 PMAQI
27th Jul 2025257 PMAQI
27th Jul 2025278 PMAQI
27th Jul 2025289 PMAQI
27th Jul 20252810 PMAQI
27th Jul 20252811 PMAQI
28th Jul 20252712 AMAQI
28th Jul 2025281 AMAQI
28th Jul 2025322 AMAQI
28th Jul 2025323 AMAQI
28th Jul 2025304 AMAQI
28°C24/32°C
28th Jul 2025295 AMAQI
28th Jul 2025306 AMAQI
28th Jul 2025297 AMAQI
28th Jul 2025308 AMAQI
28th Jul 2025209 AMAQI
28th Jul 20251910 AMAQI
28th Jul 20252511 AMAQI
28th Jul 20252912 PMAQI
28th Jul 2025311 PMAQI
28th Jul 2025302 PMAQI
28th Jul 2025323 PMAQI
28th Jul 2025324 PMAQI
28th Jul 2025335 PMAQI
28th Jul 2025306 PMAQI
28th Jul 2025297 PMAQI
28th Jul 2025308 PMAQI
28th Jul 2025319 PMAQI
28th Jul 20253010 PMAQI
28th Jul 20252611 PMAQI
29th Jul 20252512 AMAQI
29th Jul 2025261 AMAQI
29th Jul 2025292 AMAQI
29th Jul 2025303 AMAQI
29th Jul 2025294 AMAQI
27°C23/31°C
29th Jul 2025285 AMAQI
29th Jul 2025286 AMAQI
29th Jul 2025287 AMAQI
29th Jul 2025288 AMAQI
29th Jul 2025219 AMAQI
29th Jul 20252310 AMAQI
29th Jul 20252811 AMAQI
29th Jul 20253412 PMAQI
29th Jul 2025381 PMAQI
29th Jul 2025392 PMAQI
29th Jul 2025393 PMAQI
29th Jul 2025364 PMAQI
29th Jul 2025325 PMAQI
29th Jul 2025326 PMAQI
29th Jul 2025327 PMAQI
29th Jul 2025308 PMAQI
29th Jul 2025309 PMAQI
29th Jul 20252910 PMAQI
29th Jul 20253011 PMAQI
30th Jul 20253112 AMAQI
30th Jul 2025331 AMAQI
30th Jul 2025282 AMAQI
30th Jul 2025283 AMAQI
30th Jul 2025284 AMAQI
27°C23/31°C
30th Jul 2025285 AMAQI
30th Jul 2025286 AMAQI
30th Jul 2025287 AMAQI
30th Jul 2025288 AMAQI
30th Jul 2025389 AMAQI
30th Jul 20254210 AMAQI
30th Jul 20254611 AMAQI
30th Jul 20255412 PMAQI
30th Jul 2025581 PMAQI
30th Jul 2025552 PMAQI
30th Jul 2025553 PMAQI
30th Jul 2025574 PMAQI
30th Jul 2025565 PMAQI
30th Jul 2025556 PMAQI
30th Jul 2025527 PMAQI
30th Jul 2025468 PMAQI
30th Jul 2025409 PMAQI
30th Jul 20253910 PMAQI
30th Jul 20254111 PMAQI
31st Jul 20254112 AMAQI
31st Jul 2025381 AMAQI
31st Jul 2025312 AMAQI
31st Jul 2025283 AMAQI
31st Jul 2025284 AMAQI
28°C24/31°C
31st Jul 2025285 AMAQI
31st Jul 2025286 AMAQI
31st Jul 2025287 AMAQI
31st Jul 2025288 AMAQI
31st Jul 2025289 AMAQI
31st Jul 20252810 AMAQI
31st Jul 20254011 AMAQI
31st Jul 20254612 PMAQI
31st Jul 2025461 PMAQI
31st Jul 2025442 PMAQI
31st Jul 2025423 PMAQI
31st Jul 2025384 PMAQI
31st Jul 2025375 PMAQI
31st Jul 2025366 PMAQI
31st Jul 2025377 PMAQI
31st Jul 2025408 PMAQI
31st Jul 2025469 PMAQI
31st Jul 20254510 PMAQI
31st Jul 20254211 PMAQI
1st Aug 20254112 AMAQI
1st Aug 2025371 AMAQI
1st Aug 2025322 AMAQI
1st Aug 2025393 AMAQI
1st Aug 2025344 AMAQI
27°C24/30°C
1st Aug 2025345 AMAQI
1st Aug 2025356 AMAQI
1st Aug 2025367 AMAQI
1st Aug 2025358 AMAQI
1st Aug 2025539 AMAQI
1st Aug 20255410 AMAQI
1st Aug 20255311 AMAQI
1st Aug 20255412 PMAQI
1st Aug 2025571 PMAQI
1st Aug 2025532 PMAQI
1st Aug 2025473 PMAQI
1st Aug 2025534 PMAQI
1st Aug 2025555 PMAQI
1st Aug 2025536 PMAQI
1st Aug 2025487 PMAQI
1st Aug 2025478 PMAQI
1st Aug 2025469 PMAQI
1st Aug 20254410 PMAQI
1st Aug 20254311 PMAQI
2nd Aug 20254112 AMAQI
2nd Aug 2025361 AMAQI
2nd Aug 2025392 AMAQI
2nd Aug 2025353 AMAQI
2nd Aug 2025374 AMAQI
26°C23/30°C
2nd Aug 2025405 AMAQI
2nd Aug 2025416 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025398 AMAQI
2nd Aug 2025519 AMAQI
2nd Aug 20255410 AMAQI
2nd Aug 20255611 AMAQI
2nd Aug 20255312 PMAQI
2nd Aug 2025531 PMAQI
2nd Aug 2025582 PMAQI
2nd Aug 2025593 PMAQI
2nd Aug 2025524 PMAQI
2nd Aug 2025535 PMAQI
2nd Aug 2025496 PMAQI
2nd Aug 2025387 PMAQI
2nd Aug 2025428 PMAQI
2nd Aug 2025419 PMAQI
2nd Aug 20254210 PMAQI
2nd Aug 20253711 PMAQI
3rd Aug 20253512 AMAQI
--°C/°C
5 AM
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 AM
49AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
10 AM
39AQI
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. 49), while the lowest AQI was between 10 AM to 10 AM (Avg. 39).
Night time
Avg. Highest Time
12 AM - 4 AM
48AQI
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. 48), while the lowest AQI was between 8 PM to 8 PM (Avg. 44).
2025 Days Vs Air Quality
Masuda, Shimane, Japan
2025
74%
157
26%
56
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Good
157 DaysModerate
56 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 74%
Health Risk Level:
Low
In 2025, 74% 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
Masuda, Shimane, 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
28AQI
28AQI
2nd January 2025
38AQI
38AQI
3rd January 2025
31AQI
31AQI
4th January 2025
31AQI
31AQI
5th January 2025
27AQI
27AQI
6th January 2025
41AQI
41AQI
7th January 2025
29AQI
29AQI
8th January 2025
33AQI
33AQI
9th January 2025
29AQI
29AQI
10th January 2025
27AQI
27AQI
11th January 2025
27AQI
27AQI
12th January 2025
29AQI
29AQI
13th January 2025
39AQI
39AQI
14th January 2025
45AQI
45AQI
15th January 2025
36AQI
36AQI
16th January 2025
33AQI
33AQI
17th January 2025
31AQI
31AQI
18th January 2025
28AQI
28AQI
19th January 2025
39AQI
39AQI
20th January 2025
35AQI
35AQI
21st January 2025
44AQI
44AQI
22nd January 2025
56AQI
56AQI
23rd January 2025
64AQI
64AQI
24th January 2025
55AQI
55AQI
25th January 2025
43AQI
43AQI
26th January 2025
38AQI
38AQI
27th January 2025
31AQI
31AQI
28th January 2025
31AQI
31AQI
29th January 2025
30AQI
30AQI
30th January 2025
45AQI
45AQI
31st January 2025
50AQI
50AQI
1st February 2025
47AQI
47AQI
2nd February 2025
35AQI
35AQI
3rd February 2025
46AQI
46AQI
4th February 2025
32AQI
32AQI
5th February 2025
37AQI
37AQI
6th February 2025
31AQI
31AQI
7th February 2025
34AQI
34AQI
8th February 2025
31AQI
31AQI
9th February 2025
29AQI
29AQI
10th February 2025
30AQI
30AQI
11th February 2025
32AQI
32AQI
12th February 2025
29AQI
29AQI
13th February 2025
30AQI
30AQI
14th February 2025
37AQI
37AQI
15th February 2025
31AQI
31AQI
16th February 2025
35AQI
35AQI
17th February 2025
41AQI
41AQI
18th February 2025
31AQI
31AQI
19th February 2025
35AQI
35AQI
20th February 2025
31AQI
31AQI
21st February 2025
32AQI
32AQI
22nd February 2025
34AQI
34AQI
23rd February 2025
33AQI
33AQI
24th February 2025
36AQI
36AQI
25th February 2025
34AQI
34AQI
26th February 2025
46AQI
46AQI
27th February 2025
47AQI
47AQI
28th February 2025
51AQI
51AQI
1st March 2025
52AQI
52AQI
2nd March 2025
42AQI
42AQI
3rd March 2025
41AQI
41AQI
4th March 2025
33AQI
33AQI
5th March 2025
32AQI
32AQI
6th March 2025
33AQI
33AQI
7th March 2025
34AQI
34AQI
8th March 2025
35AQI
35AQI
9th March 2025
38AQI
38AQI
10th March 2025
39AQI
39AQI
11th March 2025
38AQI
38AQI
12th March 2025
42AQI
42AQI
13th March 2025
45AQI
45AQI
14th March 2025
35AQI
35AQI
15th March 2025
32AQI
32AQI
16th March 2025
19AQI
19AQI
17th March 2025
32AQI
32AQI
18th March 2025
31AQI
31AQI
19th March 2025
41AQI
41AQI
20th March 2025
47AQI
47AQI
21st March 2025
55AQI
55AQI
22nd March 2025
62AQI
62AQI
23rd March 2025
65AQI
65AQI
24th March 2025
60AQI
60AQI
25th March 2025
72AQI
72AQI
26th March 2025
76AQI
76AQI
27th March 2025
59AQI
59AQI
28th March 2025
61AQI
61AQI
29th March 2025
47AQI
47AQI
30th March 2025
42AQI
42AQI
31st March 2025
40AQI
40AQI
1st April 2025
41AQI
41AQI
2nd April 2025
32AQI
32AQI
3rd April 2025
28AQI
28AQI
4th April 2025
31AQI
31AQI
5th April 2025
39AQI
39AQI
6th April 2025
47AQI
47AQI
7th April 2025
42AQI
42AQI
8th April 2025
41AQI
41AQI
9th April 2025
55AQI
55AQI
10th April 2025
53AQI
53AQI
11th April 2025
56AQI
56AQI
12th April 2025
48AQI
48AQI
13th April 2025
46AQI
46AQI
14th April 2025
42AQI
42AQI
15th April 2025
31AQI
31AQI
16th April 2025
46AQI
46AQI
17th April 2025
45AQI
45AQI
18th April 2025
52AQI
52AQI
19th April 2025
50AQI
50AQI
20th April 2025
41AQI
41AQI
21st April 2025
40AQI
40AQI
22nd April 2025
33AQI
33AQI
23rd April 2025
23AQI
23AQI
24th April 2025
35AQI
35AQI
25th April 2025
68AQI
68AQI
26th April 2025
51AQI
51AQI
27th April 2025
54AQI
54AQI
28th April 2025
47AQI
47AQI
29th April 2025
50AQI
50AQI
30th April 2025
51AQI
51AQI
1st May 2025
47AQI
47AQI
2nd May 2025
42AQI
42AQI
3rd May 2025
46AQI
46AQI
4th May 2025
41AQI
41AQI
5th May 2025
41AQI
41AQI
6th May 2025
34AQI
34AQI
7th May 2025
34AQI
34AQI
8th May 2025
37AQI
37AQI
9th May 2025
33AQI
33AQI
10th May 2025
34AQI
34AQI
11th May 2025
43AQI
43AQI
12th May 2025
53AQI
53AQI
13th May 2025
55AQI
55AQI
14th May 2025
60AQI
60AQI
15th May 2025
58AQI
58AQI
16th May 2025
55AQI
55AQI
17th May 2025
43AQI
43AQI
18th May 2025
52AQI
52AQI
19th May 2025
55AQI
55AQI
20th May 2025
54AQI
54AQI
21st May 2025
50AQI
50AQI
22nd May 2025
41AQI
41AQI
23rd May 2025
49AQI
49AQI
24th May 2025
38AQI
38AQI
25th May 2025
32AQI
32AQI
26th May 2025
31AQI
31AQI
27th May 2025
41AQI
41AQI
28th May 2025
36AQI
36AQI
29th May 2025
41AQI
41AQI
30th May 2025
41AQI
41AQI
31st May 2025
38AQI
38AQI
1st June 2025
45AQI
45AQI
2nd June 2025
52AQI
52AQI
3rd June 2025
34AQI
34AQI
4th June 2025
44AQI
44AQI
5th June 2025
45AQI
45AQI
6th June 2025
52AQI
52AQI
7th June 2025
58AQI
58AQI
8th June 2025
61AQI
61AQI
9th June 2025
61AQI
61AQI
10th June 2025
38AQI
38AQI
11th June 2025
48AQI
48AQI
12th June 2025
52AQI
52AQI
13th June 2025
47AQI
47AQI
14th June 2025
34AQI
34AQI
15th June 2025
32AQI
32AQI
16th June 2025
32AQI
32AQI
17th June 2025
33AQI
33AQI
18th June 2025
45AQI
45AQI
19th June 2025
41AQI
41AQI
20th June 2025
51AQI
51AQI
21st June 2025
57AQI
57AQI
22nd June 2025
70AQI
70AQI
23rd June 2025
47AQI
47AQI
24th June 2025
43AQI
43AQI
25th June 2025
45AQI
45AQI
26th June 2025
51AQI
51AQI
27th June 2025
52AQI
52AQI
28th June 2025
47AQI
47AQI
29th June 2025
42AQI
42AQI
30th June 2025
51AQI
51AQI
1st July 2025
64AQI
64AQI
2nd July 2025
63AQI
63AQI
3rd July 2025
62AQI
62AQI
4th July 2025
72AQI
72AQI
5th July 2025
65AQI
65AQI
6th July 2025
56AQI
56AQI
7th July 2025
58AQI
58AQI
8th July 2025
58AQI
58AQI
9th July 2025
64AQI
64AQI
10th July 2025
70AQI
70AQI
11th July 2025
64AQI
64AQI
12th July 2025
57AQI
57AQI
13th July 2025
54AQI
54AQI
14th July 2025
40AQI
40AQI
15th July 2025
52AQI
52AQI
16th July 2025
56AQI
56AQI
17th July 2025
44AQI
44AQI
18th July 2025
36AQI
36AQI
19th July 2025
33AQI
33AQI
20th July 2025
31AQI
31AQI
21st July 2025
29AQI
29AQI
22nd July 2025
30AQI
30AQI
23rd July 2025
36AQI
36AQI
24th July 2025
37AQI
37AQI
25th July 2025
38AQI
38AQI
26th July 2025
31AQI
31AQI
27th July 2025
27AQI
27AQI
28th July 2025
29AQI
29AQI
29th July 2025
30AQI
30AQI
30th July 2025
41AQI
41AQI
31st July 2025
36AQI
36AQI
1st August 2025
44AQI
44AQI
37AQI
36AQI
45AQI
44AQI
44AQI
47AQI
47AQI
44AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202543AQI
28
3
27
1
22
9
22
8
23
8
18
12
16
15
1
157
56
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
February36AQI
202435AQI
31
27
2
26
5
21
8
1
24
7
23
7
30
1
30
1
24
6
31
29
1
31
327
38
1
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
July27AQI
202338AQI
26
4
1
28
20
11
19
11
23
8
24
6
28
3
31
28
2
28
3
25
4
27
4
307
56
1
Highest AQI recorded in
April48AQI
Lowest AQI recorded in
August29AQI
202237AQI
29
2
15
3
19
12
16
1
18
13
23
7
19
2
1
29
30
1
27
3
31
257
44
Highest AQI recorded in
May48AQI
Lowest AQI recorded in
October30AQI
202135AQI
27
4
23
5
27
2
18
3
25
6
22
8
30
1
29
2
28
2
29
2
25
5
30
1
313
41
Highest AQI recorded in
June44AQI
Lowest AQI recorded in
September30AQI
202035AQI
12
1
18
3
15
3
25
5
29
2
17
11
3
19
28
3
29
1
27
4
219
33
3
Highest AQI recorded in
August52AQI
Lowest AQI recorded in
July27AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
43AQILeast Polluted Year Recorded
2020(Avg.)
35AQIMasuda's annual 2025 AQI (43) shows an average percentage change of 19.7% (worsened AQI) compared to previous years: 2020 (35), 2021 (35), 2022 (37), 2023 (38), 2024 (35).
