Showacho, 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
Showacho, 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 (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 48 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Showacho, Masuda, Shimane, Japan
AQI
Day
Night
.
5 AM4th Aug 2025
7 PM
4 AM5th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
11AM4th Aug
72AQI
Avg. Lowest Time
3AM5th Aug
42AQI
In the last 24 hours,
Showacho's AQI reached its highest point of 72 at 11 AM during the Night, while the lowest point, 42, was recorded at 3 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Showacho, Masuda, Shimane, Japan
JulAug
06th - 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 - 05th05th
Day
Night
6th Jul 2025745 AMAQI
6th Jul 2025726 AMAQI
6th Jul 2025727 AMAQI
6th Jul 2025738 AMAQI
6th Jul 2025549 AMAQI
6th Jul 20254110 AMAQI
6th Jul 20253611 AMAQI
6th Jul 20253812 PMAQI
6th Jul 2025411 PMAQI
6th Jul 2025412 PMAQI
6th Jul 2025383 PMAQI
6th Jul 2025524 PMAQI
6th Jul 2025445 PMAQI
6th Jul 2025366 PMAQI
6th Jul 2025397 PMAQI
6th Jul 2025498 PMAQI
6th Jul 2025589 PMAQI
6th Jul 20255910 PMAQI
6th Jul 20255911 PMAQI
7th Jul 20255812 AMAQI
7th Jul 2025641 AMAQI
7th Jul 2025702 AMAQI
7th Jul 2025723 AMAQI
7th Jul 2025694 AMAQI
26°C24/29°C
7th Jul 2025665 AMAQI
7th Jul 2025666 AMAQI
7th Jul 2025667 AMAQI
7th Jul 2025668 AMAQI
7th Jul 2025449 AMAQI
7th Jul 20254410 AMAQI
7th Jul 20254811 AMAQI
7th Jul 20255212 PMAQI
7th Jul 2025481 PMAQI
7th Jul 2025472 PMAQI
7th Jul 2025483 PMAQI
7th Jul 2025474 PMAQI
7th Jul 2025535 PMAQI
7th Jul 2025516 PMAQI
7th Jul 2025487 PMAQI
7th Jul 2025568 PMAQI
7th Jul 2025629 PMAQI
7th Jul 20256110 PMAQI
7th Jul 20256111 PMAQI
8th Jul 20256112 AMAQI
8th Jul 2025651 AMAQI
8th Jul 2025682 AMAQI
8th Jul 2025663 AMAQI
8th Jul 2025674 AMAQI
26°C23/29°C
8th Jul 2025665 AMAQI
8th Jul 2025646 AMAQI
8th Jul 2025647 AMAQI
8th Jul 2025658 AMAQI
8th Jul 2025589 AMAQI
8th Jul 20255610 AMAQI
8th Jul 20255611 AMAQI
8th Jul 20255612 PMAQI
8th Jul 2025571 PMAQI
8th Jul 2025552 PMAQI
8th Jul 2025563 PMAQI
8th Jul 2025564 PMAQI
8th Jul 2025555 PMAQI
8th Jul 2025496 PMAQI
8th Jul 2025417 PMAQI
8th Jul 2025508 PMAQI
8th Jul 2025589 PMAQI
8th Jul 20255810 PMAQI
8th Jul 20255811 PMAQI
9th Jul 20255812 AMAQI
9th Jul 2025631 AMAQI
9th Jul 2025662 AMAQI
9th Jul 2025663 AMAQI
9th Jul 2025664 AMAQI
26°C24/28°C
9th Jul 2025645 AMAQI
9th Jul 2025646 AMAQI
9th Jul 2025647 AMAQI
9th Jul 2025648 AMAQI
9th Jul 2025559 AMAQI
9th Jul 20255210 AMAQI
9th Jul 20256011 AMAQI
9th Jul 20256212 PMAQI
9th Jul 2025661 PMAQI
9th Jul 2025662 PMAQI
9th Jul 2025663 PMAQI
9th Jul 2025714 PMAQI
9th Jul 2025705 PMAQI
9th Jul 2025686 PMAQI
9th Jul 2025727 PMAQI
9th Jul 2025708 PMAQI
9th Jul 2025699 PMAQI
9th Jul 20256810 PMAQI
9th Jul 20256611 PMAQI
10th Jul 20256512 AMAQI
10th Jul 2025661 AMAQI
10th Jul 2025662 AMAQI
10th Jul 2025653 AMAQI
10th Jul 2025654 AMAQI
26°C24/28°C
10th Jul 2025655 AMAQI
10th Jul 2025656 AMAQI
10th Jul 2025647 AMAQI
10th Jul 2025658 AMAQI
10th Jul 2025669 AMAQI
10th Jul 20256710 AMAQI
10th Jul 20257511 AMAQI
10th Jul 20257812 PMAQI
10th Jul 2025781 PMAQI
10th Jul 2025822 PMAQI
10th Jul 2025843 PMAQI
10th Jul 2025834 PMAQI
10th Jul 2025805 PMAQI
10th Jul 2025726 PMAQI
10th Jul 2025697 PMAQI
10th Jul 2025678 PMAQI
10th Jul 2025669 PMAQI
10th Jul 20256710 PMAQI
10th Jul 20256811 PMAQI
11th Jul 20256812 AMAQI
11th Jul 2025681 AMAQI
11th Jul 2025662 AMAQI
11th Jul 2025663 AMAQI
11th Jul 2025684 AMAQI
26°C24/29°C
11th Jul 2025695 AMAQI
11th Jul 2025696 AMAQI
11th Jul 2025697 AMAQI
11th Jul 2025698 AMAQI
11th Jul 2025719 AMAQI
11th Jul 20257410 AMAQI
11th Jul 20257311 AMAQI
11th Jul 20257012 PMAQI
11th Jul 2025661 PMAQI
11th Jul 2025662 PMAQI
11th Jul 2025603 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 2025641 AMAQI
12th Jul 2025682 AMAQI
12th Jul 2025693 AMAQI
12th Jul 2025684 AMAQI
26°C24/28°C
12th Jul 2025685 AMAQI
12th Jul 2025696 AMAQI
12th Jul 2025687 AMAQI
12th Jul 2025688 AMAQI
12th Jul 2025469 AMAQI
12th Jul 20254610 AMAQI
12th Jul 20255411 AMAQI
12th Jul 20255412 PMAQI
12th Jul 2025511 PMAQI
12th Jul 2025492 PMAQI
12th Jul 2025513 PMAQI
12th Jul 2025494 PMAQI
12th Jul 2025475 PMAQI
12th Jul 2025486 PMAQI
12th Jul 2025507 PMAQI
12th Jul 2025538 PMAQI
12th Jul 2025589 PMAQI
12th Jul 20255810 PMAQI
12th Jul 20255811 PMAQI
13th Jul 20255812 AMAQI
13th Jul 2025621 AMAQI
13th Jul 2025662 AMAQI
13th Jul 2025673 AMAQI
13th Jul 2025664 AMAQI
26°C24/27°C
13th Jul 2025645 AMAQI
13th Jul 2025646 AMAQI
13th Jul 2025637 AMAQI
13th Jul 2025648 AMAQI
13th Jul 2025529 AMAQI
13th Jul 20254310 AMAQI
13th Jul 20255211 AMAQI
13th Jul 20255012 PMAQI
13th Jul 2025431 PMAQI
13th Jul 2025432 PMAQI
13th Jul 2025483 PMAQI
13th Jul 2025494 PMAQI
13th Jul 2025455 PMAQI
13th Jul 2025436 PMAQI
13th Jul 2025447 PMAQI
13th Jul 2025508 PMAQI
13th Jul 2025569 PMAQI
13th Jul 20255610 PMAQI
13th Jul 20255411 PMAQI
14th Jul 20255312 AMAQI
14th Jul 2025551 AMAQI
14th Jul 2025622 AMAQI
14th Jul 2025633 AMAQI
14th Jul 2025624 AMAQI
27°C24/30°C
14th Jul 2025605 AMAQI
14th Jul 2025616 AMAQI
14th Jul 2025617 AMAQI
14th Jul 2025608 AMAQI
14th Jul 2025289 AMAQI
14th Jul 20251710 AMAQI
14th Jul 20251611 AMAQI
14th Jul 20251712 PMAQI
14th Jul 2025221 PMAQI
14th Jul 2025222 PMAQI
14th Jul 2025203 PMAQI
14th Jul 2025204 PMAQI
14th Jul 2025195 PMAQI
14th Jul 2025216 PMAQI
14th Jul 2025237 PMAQI
14th Jul 2025348 PMAQI
14th Jul 2025489 PMAQI
14th Jul 20254810 PMAQI
14th Jul 20254811 PMAQI
15th Jul 20255012 AMAQI
15th Jul 2025511 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025603 AMAQI
15th Jul 2025584 AMAQI
24°C22/27°C
15th Jul 2025565 AMAQI
15th Jul 2025556 AMAQI
15th Jul 2025567 AMAQI
15th Jul 2025558 AMAQI
15th Jul 2025479 AMAQI
15th Jul 20254410 AMAQI
15th Jul 20254411 AMAQI
15th Jul 20254912 PMAQI
15th Jul 2025441 PMAQI
15th Jul 2025402 PMAQI
15th Jul 2025403 PMAQI
15th Jul 2025494 PMAQI
15th Jul 2025515 PMAQI
15th Jul 2025556 PMAQI
15th Jul 2025587 PMAQI
15th Jul 2025578 PMAQI
15th Jul 2025579 PMAQI
15th Jul 20255610 PMAQI
15th Jul 20255811 PMAQI
16th Jul 20256012 AMAQI
16th Jul 2025571 AMAQI
16th Jul 2025562 AMAQI
16th Jul 2025553 AMAQI
16th Jul 2025554 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 20255210 AMAQI
16th Jul 20255111 AMAQI
16th Jul 20255412 PMAQI
16th Jul 2025571 PMAQI
16th Jul 2025562 PMAQI
16th Jul 2025573 PMAQI
16th Jul 2025604 PMAQI
16th Jul 2025615 PMAQI
16th Jul 2025586 PMAQI
16th Jul 2025587 PMAQI
16th Jul 2025608 PMAQI
16th Jul 2025549 PMAQI
16th Jul 20255410 PMAQI
16th Jul 20255611 PMAQI
17th Jul 20255812 AMAQI
17th Jul 2025571 AMAQI
17th Jul 2025562 AMAQI
17th Jul 2025553 AMAQI
17th Jul 2025554 AMAQI
26°C22/31°C
17th Jul 2025565 AMAQI
17th Jul 2025566 AMAQI
17th Jul 2025557 AMAQI
17th Jul 2025558 AMAQI
17th Jul 2025419 AMAQI
17th Jul 20253510 AMAQI
17th Jul 20253611 AMAQI
17th Jul 20253712 PMAQI
17th Jul 2025341 PMAQI
17th Jul 2025312 PMAQI
17th Jul 2025333 PMAQI
17th Jul 2025374 PMAQI
17th Jul 2025385 PMAQI
17th Jul 2025376 PMAQI
17th Jul 2025327 PMAQI
17th Jul 2025338 PMAQI
17th Jul 2025429 PMAQI
17th Jul 20254210 PMAQI
17th Jul 20254011 PMAQI
18th Jul 20254012 AMAQI
18th Jul 2025481 AMAQI
18th Jul 2025542 AMAQI
18th Jul 2025563 AMAQI
18th Jul 2025544 AMAQI
27°C24/31°C
18th Jul 2025545 AMAQI
18th Jul 2025536 AMAQI
18th Jul 2025547 AMAQI
18th Jul 2025548 AMAQI
18th Jul 2025229 AMAQI
18th Jul 20251410 AMAQI
18th Jul 20251511 AMAQI
18th Jul 20251612 PMAQI
18th Jul 2025191 PMAQI
18th Jul 2025192 PMAQI
18th Jul 2025183 PMAQI
18th Jul 2025234 PMAQI
18th Jul 2025255 PMAQI
18th Jul 2025256 PMAQI
18th Jul 2025227 PMAQI
18th Jul 2025328 PMAQI
18th Jul 2025419 PMAQI
18th Jul 20254210 PMAQI
18th Jul 20254011 PMAQI
19th Jul 20253912 AMAQI
19th Jul 2025421 AMAQI
19th Jul 2025482 AMAQI
19th Jul 2025533 AMAQI
19th Jul 2025504 AMAQI
25°C24/26°C
19th Jul 2025475 AMAQI
19th Jul 2025466 AMAQI
19th Jul 2025467 AMAQI
19th Jul 2025468 AMAQI
19th Jul 2025259 AMAQI
19th Jul 20251810 AMAQI
19th Jul 20252011 AMAQI
19th Jul 20251812 PMAQI
19th Jul 2025221 PMAQI
19th Jul 2025222 PMAQI
19th Jul 2025223 PMAQI
19th Jul 2025224 PMAQI
19th Jul 2025215 PMAQI
19th Jul 2025206 PMAQI
19th Jul 2025217 PMAQI
19th Jul 2025278 PMAQI
19th Jul 2025349 PMAQI
19th Jul 20253410 PMAQI
19th Jul 20253411 PMAQI
20th Jul 20253412 AMAQI
20th Jul 2025361 AMAQI
20th Jul 2025482 AMAQI
20th Jul 2025483 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 20251810 AMAQI
20th Jul 20251911 AMAQI
20th Jul 20251812 PMAQI
20th Jul 2025171 PMAQI
20th Jul 2025192 PMAQI
20th Jul 2025213 PMAQI
20th Jul 2025244 PMAQI
20th Jul 2025215 PMAQI
20th Jul 2025236 PMAQI
20th Jul 2025227 PMAQI
20th Jul 2025278 PMAQI
20th Jul 2025349 PMAQI
20th Jul 20253410 PMAQI
20th Jul 20253311 PMAQI
21st Jul 20253212 AMAQI
21st Jul 2025371 AMAQI
21st Jul 2025442 AMAQI
21st Jul 2025433 AMAQI
21st Jul 2025404 AMAQI
27°C23/31°C
21st Jul 2025385 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025397 AMAQI
21st Jul 2025388 AMAQI
21st Jul 2025229 AMAQI
21st Jul 20251610 AMAQI
21st Jul 20251611 AMAQI
21st Jul 20251812 PMAQI
21st Jul 2025191 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 2025238 PMAQI
21st Jul 2025319 PMAQI
21st Jul 20253310 PMAQI
21st Jul 20253311 PMAQI
22nd Jul 20253212 AMAQI
22nd Jul 2025351 AMAQI
22nd Jul 2025402 AMAQI
22nd Jul 2025403 AMAQI
22nd Jul 2025374 AMAQI
26°C23/30°C
22nd Jul 2025355 AMAQI
22nd Jul 2025346 AMAQI
22nd Jul 2025347 AMAQI
22nd Jul 2025358 AMAQI
22nd Jul 2025259 AMAQI
22nd Jul 20252210 AMAQI
22nd Jul 20251811 AMAQI
22nd Jul 20252312 PMAQI
22nd Jul 2025261 PMAQI
22nd Jul 2025252 PMAQI
22nd Jul 2025273 PMAQI
22nd Jul 2025264 PMAQI
22nd Jul 2025265 PMAQI
22nd Jul 2025276 PMAQI
22nd Jul 2025287 PMAQI
22nd Jul 2025308 PMAQI
22nd Jul 2025329 PMAQI
22nd Jul 20253210 PMAQI
22nd Jul 20253311 PMAQI
23rd Jul 20253412 AMAQI
23rd Jul 2025351 AMAQI
23rd Jul 2025362 AMAQI
23rd Jul 2025363 AMAQI
23rd Jul 2025344 AMAQI
26°C23/30°C
23rd Jul 2025345 AMAQI
23rd Jul 2025346 AMAQI
23rd Jul 2025337 AMAQI
23rd Jul 2025348 AMAQI
23rd Jul 2025259 AMAQI
23rd Jul 20252910 AMAQI
23rd Jul 20253211 AMAQI
23rd Jul 20253212 PMAQI
23rd Jul 2025321 PMAQI
23rd Jul 2025452 PMAQI
23rd Jul 2025463 PMAQI
23rd Jul 2025484 PMAQI
23rd Jul 2025465 PMAQI
23rd Jul 2025406 PMAQI
23rd Jul 2025367 PMAQI
23rd Jul 2025368 PMAQI
23rd Jul 2025339 PMAQI
23rd Jul 20253610 PMAQI
23rd Jul 20253411 PMAQI
24th Jul 20253412 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 2025299 AMAQI
24th Jul 20252710 AMAQI
24th Jul 20253011 AMAQI
24th Jul 20253812 PMAQI
24th Jul 2025441 PMAQI
24th Jul 2025532 PMAQI
24th Jul 2025533 PMAQI
24th Jul 2025444 PMAQI
24th Jul 2025415 PMAQI
24th Jul 2025426 PMAQI
24th Jul 2025417 PMAQI
24th Jul 2025388 PMAQI
24th Jul 2025369 PMAQI
24th Jul 20253710 PMAQI
24th Jul 20253611 PMAQI
25th Jul 20253512 AMAQI
25th Jul 2025331 AMAQI
25th Jul 2025342 AMAQI
25th Jul 2025343 AMAQI
25th Jul 2025344 AMAQI
27°C23/31°C
25th Jul 2025355 AMAQI
25th Jul 2025356 AMAQI
25th Jul 2025357 AMAQI
25th Jul 2025348 AMAQI
25th Jul 2025249 AMAQI
25th Jul 20252510 AMAQI
25th Jul 20253011 AMAQI
25th Jul 20253612 PMAQI
25th Jul 2025381 PMAQI
25th Jul 2025372 PMAQI
25th Jul 2025343 PMAQI
25th Jul 2025364 PMAQI
25th Jul 2025405 PMAQI
25th Jul 2025456 PMAQI
25th Jul 2025487 PMAQI
25th Jul 2025488 PMAQI
25th Jul 2025479 PMAQI
25th Jul 20254610 PMAQI
25th Jul 20254611 PMAQI
26th Jul 20254312 AMAQI
26th Jul 2025351 AMAQI
26th Jul 2025342 AMAQI
26th Jul 2025333 AMAQI
26th Jul 2025334 AMAQI
28°C24/31°C
26th Jul 2025335 AMAQI
26th Jul 2025336 AMAQI
26th Jul 2025327 AMAQI
26th Jul 2025338 AMAQI
26th Jul 2025309 AMAQI
26th Jul 20253110 AMAQI
26th Jul 20252911 AMAQI
26th Jul 20253212 PMAQI
26th Jul 2025301 PMAQI
26th Jul 2025272 PMAQI
26th Jul 2025243 PMAQI
26th Jul 2025244 PMAQI
26th Jul 2025265 PMAQI
26th Jul 2025226 PMAQI
26th Jul 2025237 PMAQI
26th Jul 2025308 PMAQI
26th Jul 2025299 PMAQI
26th Jul 20253010 PMAQI
26th Jul 20252811 PMAQI
27th Jul 20252812 AMAQI
27th Jul 2025301 AMAQI
27th Jul 2025332 AMAQI
27th Jul 2025343 AMAQI
27th Jul 2025344 AMAQI
28°C25/31°C
27th Jul 2025325 AMAQI
27th Jul 2025326 AMAQI
27th Jul 2025327 AMAQI
27th Jul 2025338 AMAQI
27th Jul 2025259 AMAQI
27th Jul 20251710 AMAQI
27th Jul 20251711 AMAQI
27th Jul 20251812 PMAQI
27th Jul 2025191 PMAQI
27th Jul 2025202 PMAQI
27th Jul 2025203 PMAQI
27th Jul 2025244 PMAQI
27th Jul 2025265 PMAQI
27th Jul 2025266 PMAQI
27th Jul 2025247 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 20253012 PMAQI
28th Jul 2025321 PMAQI
28th Jul 2025292 PMAQI
28th Jul 2025323 PMAQI
28th Jul 2025344 PMAQI
28th Jul 2025315 PMAQI
28th Jul 2025296 PMAQI
28th Jul 2025287 PMAQI
28th Jul 2025308 PMAQI
28th Jul 2025309 PMAQI
28th Jul 20252710 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 20252210 AMAQI
29th Jul 20252911 AMAQI
29th Jul 20253412 PMAQI
29th Jul 2025391 PMAQI
29th Jul 2025402 PMAQI
29th Jul 2025393 PMAQI
29th Jul 2025364 PMAQI
29th Jul 2025335 PMAQI
29th Jul 2025316 PMAQI
29th Jul 2025317 PMAQI
29th Jul 2025318 PMAQI
29th Jul 2025309 PMAQI
29th Jul 20252910 PMAQI
29th Jul 20253011 PMAQI
30th Jul 20253212 AMAQI
30th Jul 2025321 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 2025399 AMAQI
30th Jul 20254310 AMAQI
30th Jul 20254611 AMAQI
30th Jul 20255512 PMAQI
30th Jul 2025571 PMAQI
30th Jul 2025542 PMAQI
30th Jul 2025553 PMAQI
30th Jul 2025574 PMAQI
30th Jul 2025565 PMAQI
30th Jul 2025556 PMAQI
30th Jul 2025527 PMAQI
30th Jul 2025458 PMAQI
30th Jul 2025389 PMAQI
30th Jul 20254010 PMAQI
30th Jul 20254211 PMAQI
31st Jul 20254012 AMAQI
31st Jul 2025361 AMAQI
31st Jul 2025292 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 20254111 AMAQI
31st Jul 20254612 PMAQI
31st Jul 2025461 PMAQI
31st Jul 2025432 PMAQI
31st Jul 2025423 PMAQI
31st Jul 2025384 PMAQI
31st Jul 2025375 PMAQI
31st Jul 2025376 PMAQI
31st Jul 2025387 PMAQI
31st Jul 2025388 PMAQI
31st Jul 2025499 PMAQI
31st Jul 20254610 PMAQI
31st Jul 20254011 PMAQI
1st Aug 20253912 AMAQI
1st Aug 2025361 AMAQI
1st Aug 2025332 AMAQI
1st Aug 2025383 AMAQI
1st Aug 2025344 AMAQI
27°C24/30°C
1st Aug 2025355 AMAQI
1st Aug 2025356 AMAQI
1st Aug 2025387 AMAQI
1st Aug 2025368 AMAQI
1st Aug 2025519 AMAQI
1st Aug 20255610 AMAQI
1st Aug 20255511 AMAQI
1st Aug 20255312 PMAQI
1st Aug 2025561 PMAQI
1st Aug 2025522 PMAQI
1st Aug 2025513 PMAQI
1st Aug 2025544 PMAQI
1st Aug 2025545 PMAQI
1st Aug 2025566 PMAQI
1st Aug 2025497 PMAQI
1st Aug 2025488 PMAQI
1st Aug 2025469 PMAQI
1st Aug 20254710 PMAQI
1st Aug 20254311 PMAQI
2nd Aug 20254012 AMAQI
2nd Aug 2025361 AMAQI
2nd Aug 2025402 AMAQI
2nd Aug 2025363 AMAQI
2nd Aug 2025374 AMAQI
26°C23/30°C
2nd Aug 2025415 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025377 AMAQI
2nd Aug 2025398 AMAQI
2nd Aug 2025529 AMAQI
2nd Aug 20255610 AMAQI
2nd Aug 20255911 AMAQI
2nd Aug 20255512 PMAQI
2nd Aug 2025561 PMAQI
2nd Aug 2025612 PMAQI
2nd Aug 2025643 PMAQI
2nd Aug 2025524 PMAQI
2nd Aug 2025555 PMAQI
2nd Aug 2025526 PMAQI
2nd Aug 2025407 PMAQI
2nd Aug 2025438 PMAQI
2nd Aug 2025429 PMAQI
2nd Aug 20254210 PMAQI
2nd Aug 20253811 PMAQI
3rd Aug 20253812 AMAQI
3rd Aug 2025361 AMAQI
3rd Aug 2025392 AMAQI
3rd Aug 2025383 AMAQI
3rd Aug 2025414 AMAQI
26°C22/30°C
3rd Aug 2025435 AMAQI
3rd Aug 2025426 AMAQI
3rd Aug 2025437 AMAQI
3rd Aug 2025438 AMAQI
3rd Aug 2025469 AMAQI
3rd Aug 20254010 AMAQI
3rd Aug 20255311 AMAQI
3rd Aug 20255612 PMAQI
3rd Aug 2025501 PMAQI
3rd Aug 2025532 PMAQI
3rd Aug 2025483 PMAQI
3rd Aug 2025464 PMAQI
3rd Aug 2025425 PMAQI
3rd Aug 2025546 PMAQI
3rd Aug 2025467 PMAQI
3rd Aug 2025478 PMAQI
3rd Aug 2025489 PMAQI
3rd Aug 20254610 PMAQI
3rd Aug 20254211 PMAQI
4th Aug 20254512 AMAQI
4th Aug 2025421 AMAQI
4th Aug 2025412 AMAQI
4th Aug 2025413 AMAQI
4th Aug 2025424 AMAQI
26°C23/30°C
4th Aug 2025435 AMAQI
4th Aug 2025436 AMAQI
4th Aug 2025447 AMAQI
4th Aug 2025428 AMAQI
4th Aug 2025609 AMAQI
4th Aug 20256510 AMAQI
4th Aug 20257211 AMAQI
4th Aug 20257212 PMAQI
4th Aug 2025691 PMAQI
4th Aug 2025672 PMAQI
4th Aug 2025643 PMAQI
4th Aug 2025534 PMAQI
4th Aug 2025565 PMAQI
4th Aug 2025566 PMAQI
4th Aug 2025517 PMAQI
4th Aug 2025528 PMAQI
4th Aug 2025539 PMAQI
4th Aug 20254610 PMAQI
4th Aug 20254511 PMAQI
5th Aug 20254612 AMAQI
5th Aug 2025481 AMAQI
5th Aug 2025422 AMAQI
5th Aug 2025423 AMAQI
5th Aug 2025504 AMAQI
--°C/°C
5th Aug 2025525 AMAQI
5 AM12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 AM
47AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
10 AM
37AQI
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. 47), while the lowest AQI was between 10 AM to 10 AM (Avg. 37).
Night time
Avg. Highest Time
12 AM - 4 AM
47AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
8 PM
43AQI
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. 47), while the lowest AQI was between 8 PM to 8 PM (Avg. 43).
2025 Days Vs Air Quality
Showacho, Masuda, Shimane, Japan
2025
75%
163
25%
53
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Good
163 DaysModerate
53 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 75%
Health Risk Level:
Low
In 2025, 75% of 216 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
Showacho, 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
36AQI
36AQI
3rd January 2025
30AQI
30AQI
4th January 2025
31AQI
31AQI
5th January 2025
27AQI
27AQI
6th January 2025
42AQI
42AQI
7th January 2025
29AQI
29AQI
8th January 2025
34AQI
34AQI
9th January 2025
29AQI
29AQI
10th January 2025
28AQI
28AQI
11th January 2025
28AQI
28AQI
12th January 2025
30AQI
30AQI
13th January 2025
40AQI
40AQI
14th January 2025
46AQI
46AQI
15th January 2025
36AQI
36AQI
16th January 2025
33AQI
33AQI
17th January 2025
29AQI
29AQI
18th January 2025
27AQI
27AQI
19th January 2025
38AQI
38AQI
20th January 2025
35AQI
35AQI
21st January 2025
42AQI
42AQI
22nd January 2025
55AQI
55AQI
23rd January 2025
63AQI
63AQI
24th January 2025
54AQI
54AQI
25th January 2025
43AQI
43AQI
26th January 2025
38AQI
38AQI
27th January 2025
30AQI
30AQI
28th January 2025
31AQI
31AQI
29th January 2025
31AQI
31AQI
30th January 2025
45AQI
45AQI
31st January 2025
49AQI
49AQI
1st February 2025
46AQI
46AQI
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
33AQI
33AQI
8th February 2025
31AQI
31AQI
9th February 2025
30AQI
30AQI
10th February 2025
30AQI
30AQI
11th February 2025
32AQI
32AQI
12th February 2025
29AQI
29AQI
13th February 2025
30AQI
30AQI
14th February 2025
36AQI
36AQI
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
31AQI
31AQI
22nd February 2025
34AQI
34AQI
23rd February 2025
33AQI
33AQI
24th February 2025
36AQI
36AQI
25th February 2025
34AQI
34AQI
26th February 2025
45AQI
45AQI
27th February 2025
46AQI
46AQI
28th February 2025
50AQI
50AQI
1st March 2025
51AQI
51AQI
2nd March 2025
41AQI
41AQI
3rd March 2025
40AQI
40AQI
4th March 2025
32AQI
32AQI
5th March 2025
32AQI
32AQI
6th March 2025
33AQI
33AQI
7th March 2025
34AQI
34AQI
8th March 2025
34AQI
34AQI
9th March 2025
37AQI
37AQI
10th March 2025
38AQI
38AQI
11th March 2025
37AQI
37AQI
12th March 2025
40AQI
40AQI
13th March 2025
43AQI
43AQI
14th March 2025
34AQI
34AQI
15th March 2025
31AQI
31AQI
16th March 2025
19AQI
19AQI
17th March 2025
31AQI
31AQI
18th March 2025
31AQI
31AQI
19th March 2025
40AQI
40AQI
20th March 2025
47AQI
47AQI
21st March 2025
55AQI
55AQI
22nd March 2025
61AQI
61AQI
23rd March 2025
65AQI
65AQI
24th March 2025
59AQI
59AQI
25th March 2025
73AQI
73AQI
26th March 2025
76AQI
76AQI
27th March 2025
59AQI
59AQI
28th March 2025
60AQI
60AQI
29th March 2025
45AQI
45AQI
30th March 2025
40AQI
40AQI
31st March 2025
38AQI
38AQI
1st April 2025
39AQI
39AQI
2nd April 2025
30AQI
30AQI
3rd April 2025
25AQI
25AQI
4th April 2025
29AQI
29AQI
5th April 2025
36AQI
36AQI
6th April 2025
45AQI
45AQI
7th April 2025
40AQI
40AQI
8th April 2025
40AQI
40AQI
9th April 2025
54AQI
54AQI
10th April 2025
52AQI
52AQI
11th April 2025
56AQI
56AQI
12th April 2025
47AQI
47AQI
13th April 2025
44AQI
44AQI
14th April 2025
42AQI
42AQI
15th April 2025
29AQI
29AQI
16th April 2025
46AQI
46AQI
17th April 2025
43AQI
43AQI
18th April 2025
50AQI
50AQI
19th April 2025
48AQI
48AQI
20th April 2025
41AQI
41AQI
21st April 2025
39AQI
39AQI
22nd April 2025
32AQI
32AQI
23rd April 2025
22AQI
22AQI
24th April 2025
32AQI
32AQI
25th April 2025
69AQI
69AQI
26th April 2025
50AQI
50AQI
27th April 2025
53AQI
53AQI
28th April 2025
46AQI
46AQI
29th April 2025
50AQI
50AQI
30th April 2025
51AQI
51AQI
1st May 2025
46AQI
46AQI
2nd May 2025
41AQI
41AQI
3rd May 2025
45AQI
45AQI
4th May 2025
41AQI
41AQI
5th May 2025
40AQI
40AQI
6th May 2025
33AQI
33AQI
7th May 2025
32AQI
32AQI
8th May 2025
33AQI
33AQI
9th May 2025
30AQI
30AQI
10th May 2025
31AQI
31AQI
11th May 2025
42AQI
42AQI
12th May 2025
52AQI
52AQI
13th May 2025
54AQI
54AQI
14th May 2025
60AQI
60AQI
15th May 2025
58AQI
58AQI
16th May 2025
55AQI
55AQI
17th May 2025
43AQI
43AQI
18th May 2025
51AQI
51AQI
19th May 2025
55AQI
55AQI
20th May 2025
54AQI
54AQI
21st May 2025
51AQI
51AQI
22nd May 2025
39AQI
39AQI
23rd May 2025
49AQI
49AQI
24th May 2025
37AQI
37AQI
25th May 2025
29AQI
29AQI
26th May 2025
29AQI
29AQI
27th May 2025
37AQI
37AQI
28th May 2025
35AQI
35AQI
29th May 2025
40AQI
40AQI
30th May 2025
40AQI
40AQI
31st May 2025
37AQI
37AQI
1st June 2025
44AQI
44AQI
2nd June 2025
51AQI
51AQI
3rd June 2025
33AQI
33AQI
4th June 2025
43AQI
43AQI
5th June 2025
43AQI
43AQI
6th June 2025
51AQI
51AQI
7th June 2025
58AQI
58AQI
8th June 2025
61AQI
61AQI
9th June 2025
62AQI
62AQI
10th June 2025
37AQI
37AQI
11th June 2025
49AQI
49AQI
12th June 2025
52AQI
52AQI
13th June 2025
47AQI
47AQI
14th June 2025
33AQI
33AQI
15th June 2025
32AQI
32AQI
16th June 2025
32AQI
32AQI
17th June 2025
33AQI
33AQI
18th June 2025
45AQI
45AQI
19th June 2025
39AQI
39AQI
20th June 2025
51AQI
51AQI
21st June 2025
57AQI
57AQI
22nd June 2025
71AQI
71AQI
23rd June 2025
48AQI
48AQI
24th June 2025
43AQI
43AQI
25th June 2025
46AQI
46AQI
26th June 2025
51AQI
51AQI
27th June 2025
52AQI
52AQI
28th June 2025
46AQI
46AQI
29th June 2025
42AQI
42AQI
30th June 2025
50AQI
50AQI
1st July 2025
63AQI
63AQI
2nd July 2025
63AQI
63AQI
3rd July 2025
64AQI
64AQI
4th July 2025
72AQI
72AQI
5th July 2025
65AQI
65AQI
6th July 2025
55AQI
55AQI
7th July 2025
58AQI
58AQI
8th July 2025
58AQI
58AQI
9th July 2025
65AQI
65AQI
10th July 2025
70AQI
70AQI
11th July 2025
64AQI
64AQI
12th July 2025
58AQI
58AQI
13th July 2025
54AQI
54AQI
14th July 2025
40AQI
40AQI
15th July 2025
53AQI
53AQI
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
31AQI
31AQI
23rd July 2025
36AQI
36AQI
24th July 2025
37AQI
37AQI
25th July 2025
38AQI
38AQI
26th July 2025
30AQI
30AQI
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
45AQI
45AQI
2nd August 2025
45AQI
45AQI
3rd August 2025
45AQI
45AQI
4th August 2025
48AQI
48AQI
37AQI
35AQI
44AQI
43AQI
43AQI
47AQI
47AQI
46AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202542AQI
28
3
28
22
9
24
6
22
9
19
11
16
15
4
163
53
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
February35AQI
202435AQI
31
26
3
26
5
21
8
1
25
6
23
7
30
1
30
1
26
4
31
29
1
31
329
36
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
19
12
23
7
19
2
1
28
30
1
27
3
31
257
43
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
24
6
30
1
312
42
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.)
42AQILeast Polluted Year Recorded
2024(Avg.)
35AQIShowacho's annual 2025 AQI (42) shows an average percentage change of 18.5% (worsened AQI) compared to previous years: 2020 (35), 2021 (35), 2022 (37), 2023 (38), 2024 (35).
