Matsuyama, Higashi Matsuyama, Saitama, 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
Matsuyama, Higashi Matsuyama, Saitama, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
66AQILowest AQI recorded on
8th Aug 2021
14AQISame Day Analysis (7th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 46 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 7th Aug - 8th Aug 2025
Matsuyama, Higashi Matsuyama, Saitama, Japan
AQI
Day
Night
.
4 AM7th Aug 2025
6 PM
3 AM8th Aug 2025
Day time
Avg. Highest Time
6AM7th Aug
51AQI
Avg. Lowest Time
3PM7th Aug
21AQI
Night time
Avg. Highest Time
2AM8th Aug
49AQI
Avg. Lowest Time
7PM7th Aug
39AQI
In the last 24 hours,
Matsuyama's AQI reached its highest point of 51 at 6 AM during the Day, while the lowest point, 21, was recorded at 3 PM during the Day between 7th Aug and 8th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Matsuyama, Higashi Matsuyama, Saitama, Japan
JulAug
09th - 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 - 06th06th - 07th07th - 08th08th
Day
Night
9th Jul 2025664 AMAQI
9th Jul 2025715 AMAQI
9th Jul 2025716 AMAQI
9th Jul 2025717 AMAQI
9th Jul 2025718 AMAQI
9th Jul 2025909 AMAQI
9th Jul 20259810 AMAQI
9th Jul 20259511 AMAQI
9th Jul 20259212 PMAQI
9th Jul 2025911 PMAQI
9th Jul 2025902 PMAQI
9th Jul 20251003 PMAQI
9th Jul 20251084 PMAQI
9th Jul 2025995 PMAQI
9th Jul 2025976 PMAQI
9th Jul 2025907 PMAQI
9th Jul 2025788 PMAQI
9th Jul 2025689 PMAQI
9th Jul 20256710 PMAQI
9th Jul 20256411 PMAQI
10th Jul 20256412 AMAQI
10th Jul 2025671 AMAQI
10th Jul 2025702 AMAQI
10th Jul 2025703 AMAQI
32°C28/38°C
10th Jul 2025724 AMAQI
10th Jul 2025745 AMAQI
10th Jul 2025756 AMAQI
10th Jul 2025747 AMAQI
10th Jul 2025748 AMAQI
10th Jul 2025609 AMAQI
10th Jul 20255410 AMAQI
10th Jul 20256911 AMAQI
10th Jul 20257412 PMAQI
10th Jul 2025791 PMAQI
10th Jul 2025782 PMAQI
10th Jul 2025763 PMAQI
10th Jul 2025674 PMAQI
10th Jul 2025555 PMAQI
10th Jul 2025506 PMAQI
10th Jul 2025377 PMAQI
10th Jul 2025398 PMAQI
10th Jul 2025589 PMAQI
10th Jul 20255810 PMAQI
10th Jul 20255811 PMAQI
11th Jul 20255812 AMAQI
11th Jul 2025631 AMAQI
11th Jul 2025692 AMAQI
11th Jul 2025703 AMAQI
30°C23/37°C
11th Jul 2025704 AMAQI
11th Jul 2025705 AMAQI
11th Jul 2025696 AMAQI
11th Jul 2025707 AMAQI
11th Jul 2025698 AMAQI
11th Jul 2025309 AMAQI
11th Jul 20251710 AMAQI
11th Jul 20251811 AMAQI
11th Jul 20252312 PMAQI
11th Jul 2025301 PMAQI
11th Jul 2025262 PMAQI
11th Jul 2025413 PMAQI
11th Jul 2025404 PMAQI
11th Jul 2025355 PMAQI
11th Jul 2025366 PMAQI
11th Jul 2025377 PMAQI
11th Jul 2025438 PMAQI
11th Jul 2025579 PMAQI
11th Jul 20255610 PMAQI
11th Jul 20255711 PMAQI
12th Jul 20255812 AMAQI
12th Jul 2025611 AMAQI
12th Jul 2025662 AMAQI
12th Jul 2025663 AMAQI
23°C23/24°C
12th Jul 2025654 AMAQI
12th Jul 2025625 AMAQI
12th Jul 2025626 AMAQI
12th Jul 2025627 AMAQI
12th Jul 2025628 AMAQI
12th Jul 2025429 AMAQI
12th Jul 20253810 AMAQI
12th Jul 20253411 AMAQI
12th Jul 20254012 PMAQI
12th Jul 2025451 PMAQI
12th Jul 2025452 PMAQI
12th Jul 2025443 PMAQI
12th Jul 2025524 PMAQI
12th Jul 2025525 PMAQI
12th Jul 2025496 PMAQI
12th Jul 2025467 PMAQI
12th Jul 2025498 PMAQI
12th Jul 2025569 PMAQI
12th Jul 20255510 PMAQI
12th Jul 20255511 PMAQI
13th Jul 20255612 AMAQI
13th Jul 2025591 AMAQI
13th Jul 2025622 AMAQI
13th Jul 2025623 AMAQI
25°C22/29°C
13th Jul 2025614 AMAQI
13th Jul 2025595 AMAQI
13th Jul 2025596 AMAQI
13th Jul 2025607 AMAQI
13th Jul 2025598 AMAQI
13th Jul 2025479 AMAQI
13th Jul 20253010 AMAQI
13th Jul 20255011 AMAQI
13th Jul 20255112 PMAQI
13th Jul 2025551 PMAQI
13th Jul 2025542 PMAQI
13th Jul 2025523 PMAQI
13th Jul 2025564 PMAQI
13th Jul 2025565 PMAQI
13th Jul 2025526 PMAQI
13th Jul 2025527 PMAQI
13th Jul 2025528 PMAQI
13th Jul 2025569 PMAQI
13th Jul 20255410 PMAQI
13th Jul 20255211 PMAQI
14th Jul 20255212 AMAQI
14th Jul 2025561 AMAQI
14th Jul 2025592 AMAQI
14th Jul 2025593 AMAQI
28°C24/33°C
14th Jul 2025594 AMAQI
14th Jul 2025585 AMAQI
14th Jul 2025576 AMAQI
14th Jul 2025587 AMAQI
14th Jul 2025588 AMAQI
14th Jul 2025339 AMAQI
14th Jul 20252210 AMAQI
14th Jul 20253411 AMAQI
14th Jul 20253412 PMAQI
14th Jul 2025351 PMAQI
14th Jul 2025252 PMAQI
14th Jul 2025253 PMAQI
14th Jul 2025284 PMAQI
14th Jul 2025305 PMAQI
14th Jul 2025316 PMAQI
14th Jul 2025317 PMAQI
14th Jul 2025308 PMAQI
14th Jul 2025489 PMAQI
14th Jul 20254810 PMAQI
14th Jul 20254811 PMAQI
15th Jul 20254812 AMAQI
15th Jul 2025531 AMAQI
15th Jul 2025572 AMAQI
15th Jul 2025573 AMAQI
26°C24/29°C
15th Jul 2025564 AMAQI
15th Jul 2025545 AMAQI
15th Jul 2025546 AMAQI
15th Jul 2025547 AMAQI
15th Jul 2025548 AMAQI
15th Jul 2025319 AMAQI
15th Jul 20252210 AMAQI
15th Jul 20252411 AMAQI
15th Jul 20252212 PMAQI
15th Jul 2025301 PMAQI
15th Jul 2025282 PMAQI
15th Jul 2025283 PMAQI
15th Jul 2025274 PMAQI
15th Jul 2025245 PMAQI
15th Jul 2025286 PMAQI
15th Jul 2025237 PMAQI
15th Jul 2025308 PMAQI
15th Jul 2025459 PMAQI
15th Jul 20254310 PMAQI
15th Jul 20254311 PMAQI
16th Jul 20254612 AMAQI
16th Jul 2025511 AMAQI
16th Jul 2025542 AMAQI
16th Jul 2025553 AMAQI
28°C26/33°C
16th Jul 2025544 AMAQI
16th Jul 2025525 AMAQI
16th Jul 2025526 AMAQI
16th Jul 2025527 AMAQI
16th Jul 2025528 AMAQI
16th Jul 2025579 AMAQI
16th Jul 20255810 AMAQI
16th Jul 20255211 AMAQI
16th Jul 20253212 PMAQI
16th Jul 2025361 PMAQI
16th Jul 2025282 PMAQI
16th Jul 2025263 PMAQI
16th Jul 2025324 PMAQI
16th Jul 2025275 PMAQI
16th Jul 2025246 PMAQI
16th Jul 2025247 PMAQI
16th Jul 2025288 PMAQI
16th Jul 2025419 PMAQI
16th Jul 20254310 PMAQI
16th Jul 20254311 PMAQI
17th Jul 20254212 AMAQI
17th Jul 2025481 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025523 AMAQI
29°C25/33°C
17th Jul 2025524 AMAQI
17th Jul 2025525 AMAQI
17th Jul 2025526 AMAQI
17th Jul 2025527 AMAQI
17th Jul 2025528 AMAQI
17th Jul 2025289 AMAQI
17th Jul 20252210 AMAQI
17th Jul 20253611 AMAQI
17th Jul 20253512 PMAQI
17th Jul 2025341 PMAQI
17th Jul 2025312 PMAQI
17th Jul 2025373 PMAQI
17th Jul 2025374 PMAQI
17th Jul 2025335 PMAQI
17th Jul 2025386 PMAQI
17th Jul 2025377 PMAQI
17th Jul 2025408 PMAQI
17th Jul 2025449 PMAQI
17th Jul 20254610 PMAQI
17th Jul 20254611 PMAQI
18th Jul 20254612 AMAQI
18th Jul 2025481 AMAQI
18th Jul 2025502 AMAQI
18th Jul 2025503 AMAQI
30°C27/33°C
18th Jul 2025504 AMAQI
18th Jul 2025475 AMAQI
18th Jul 2025476 AMAQI
18th Jul 2025467 AMAQI
18th Jul 2025468 AMAQI
18th Jul 2025429 AMAQI
18th Jul 20253610 AMAQI
18th Jul 20254211 AMAQI
18th Jul 20253612 PMAQI
18th Jul 2025381 PMAQI
18th Jul 2025352 PMAQI
18th Jul 2025323 PMAQI
18th Jul 2025304 PMAQI
18th Jul 2025365 PMAQI
18th Jul 2025316 PMAQI
18th Jul 2025327 PMAQI
18th Jul 2025348 PMAQI
18th Jul 2025389 PMAQI
18th Jul 20254210 PMAQI
18th Jul 20253911 PMAQI
19th Jul 20254112 AMAQI
19th Jul 2025441 AMAQI
19th Jul 2025482 AMAQI
19th Jul 2025473 AMAQI
29°C26/34°C
19th Jul 2025464 AMAQI
19th Jul 2025455 AMAQI
19th Jul 2025466 AMAQI
19th Jul 2025457 AMAQI
19th Jul 2025468 AMAQI
19th Jul 2025289 AMAQI
19th Jul 20254010 AMAQI
19th Jul 20253811 AMAQI
19th Jul 20253512 PMAQI
19th Jul 2025291 PMAQI
19th Jul 2025232 PMAQI
19th Jul 2025333 PMAQI
19th Jul 2025334 PMAQI
19th Jul 2025325 PMAQI
19th Jul 2025276 PMAQI
19th Jul 2025257 PMAQI
19th Jul 2025278 PMAQI
19th Jul 2025379 PMAQI
19th Jul 20253710 PMAQI
19th Jul 20253711 PMAQI
20th Jul 20253812 AMAQI
20th Jul 2025411 AMAQI
20th Jul 2025452 AMAQI
20th Jul 2025463 AMAQI
30°C26/35°C
20th Jul 2025444 AMAQI
20th Jul 2025435 AMAQI
20th Jul 2025436 AMAQI
20th Jul 2025427 AMAQI
20th Jul 2025438 AMAQI
20th Jul 2025399 AMAQI
20th Jul 20253310 AMAQI
20th Jul 20253911 AMAQI
20th Jul 20254012 PMAQI
20th Jul 2025361 PMAQI
20th Jul 2025382 PMAQI
20th Jul 2025333 PMAQI
20th Jul 2025344 PMAQI
20th Jul 2025385 PMAQI
20th Jul 2025316 PMAQI
20th Jul 2025347 PMAQI
20th Jul 2025348 PMAQI
20th Jul 2025369 PMAQI
20th Jul 20253810 PMAQI
20th Jul 20253911 PMAQI
21st Jul 20253912 AMAQI
21st Jul 2025401 AMAQI
21st Jul 2025422 AMAQI
21st Jul 2025423 AMAQI
31°C27/37°C
21st Jul 2025424 AMAQI
21st Jul 2025425 AMAQI
21st Jul 2025426 AMAQI
21st Jul 2025427 AMAQI
21st Jul 2025428 AMAQI
21st Jul 2025299 AMAQI
21st Jul 20254210 AMAQI
21st Jul 20254111 AMAQI
21st Jul 20254912 PMAQI
21st Jul 2025521 PMAQI
21st Jul 2025512 PMAQI
21st Jul 2025453 PMAQI
21st Jul 2025524 PMAQI
21st Jul 2025485 PMAQI
21st Jul 2025416 PMAQI
21st Jul 2025387 PMAQI
21st Jul 2025408 PMAQI
21st Jul 2025389 PMAQI
21st Jul 20253810 PMAQI
21st Jul 20253811 PMAQI
22nd Jul 20253512 AMAQI
22nd Jul 2025381 AMAQI
22nd Jul 2025412 AMAQI
22nd Jul 2025413 AMAQI
32°C27/38°C
22nd Jul 2025414 AMAQI
22nd Jul 2025425 AMAQI
22nd Jul 2025416 AMAQI
22nd Jul 2025417 AMAQI
22nd Jul 2025428 AMAQI
22nd Jul 2025329 AMAQI
22nd Jul 20254710 AMAQI
22nd Jul 20255511 AMAQI
22nd Jul 20255612 PMAQI
22nd Jul 2025531 PMAQI
22nd Jul 2025502 PMAQI
22nd Jul 2025503 PMAQI
22nd Jul 2025514 PMAQI
22nd Jul 2025545 PMAQI
22nd Jul 2025466 PMAQI
22nd Jul 2025397 PMAQI
22nd Jul 2025388 PMAQI
22nd Jul 2025409 PMAQI
22nd Jul 20253710 PMAQI
22nd Jul 20253411 PMAQI
23rd Jul 20253612 AMAQI
23rd Jul 2025381 AMAQI
23rd Jul 2025392 AMAQI
23rd Jul 2025403 AMAQI
33°C28/38°C
23rd Jul 2025404 AMAQI
23rd Jul 2025405 AMAQI
23rd Jul 2025406 AMAQI
23rd Jul 2025417 AMAQI
23rd Jul 2025428 AMAQI
23rd Jul 2025509 AMAQI
23rd Jul 20255910 AMAQI
23rd Jul 20256511 AMAQI
23rd Jul 20256612 PMAQI
23rd Jul 2025641 PMAQI
23rd Jul 2025592 PMAQI
23rd Jul 2025573 PMAQI
23rd Jul 2025624 PMAQI
23rd Jul 2025615 PMAQI
23rd Jul 2025556 PMAQI
23rd Jul 2025557 PMAQI
23rd Jul 2025508 PMAQI
23rd Jul 2025429 PMAQI
23rd Jul 20254110 PMAQI
23rd Jul 20253811 PMAQI
24th Jul 20253812 AMAQI
24th Jul 2025381 AMAQI
24th Jul 2025382 AMAQI
24th Jul 2025393 AMAQI
33°C28/39°C
24th Jul 2025414 AMAQI
24th Jul 2025445 AMAQI
24th Jul 2025446 AMAQI
24th Jul 2025447 AMAQI
24th Jul 2025448 AMAQI
24th Jul 2025559 AMAQI
24th Jul 20255810 AMAQI
24th Jul 20256411 AMAQI
24th Jul 20256612 PMAQI
24th Jul 2025591 PMAQI
24th Jul 2025602 PMAQI
24th Jul 2025583 PMAQI
24th Jul 2025674 PMAQI
24th Jul 2025605 PMAQI
24th Jul 2025546 PMAQI
24th Jul 2025487 PMAQI
24th Jul 2025428 PMAQI
24th Jul 2025429 PMAQI
24th Jul 20253810 PMAQI
24th Jul 20253811 PMAQI
25th Jul 20254012 AMAQI
25th Jul 2025401 AMAQI
25th Jul 2025392 AMAQI
25th Jul 2025403 AMAQI
33°C28/39°C
25th Jul 2025434 AMAQI
25th Jul 2025465 AMAQI
25th Jul 2025466 AMAQI
25th Jul 2025467 AMAQI
25th Jul 2025468 AMAQI
25th Jul 2025529 AMAQI
25th Jul 20255710 AMAQI
25th Jul 20256411 AMAQI
25th Jul 20256312 PMAQI
25th Jul 2025611 PMAQI
25th Jul 2025622 PMAQI
25th Jul 2025593 PMAQI
25th Jul 2025604 PMAQI
25th Jul 2025555 PMAQI
25th Jul 2025516 PMAQI
25th Jul 2025477 PMAQI
25th Jul 2025438 PMAQI
25th Jul 2025429 PMAQI
25th Jul 20253610 PMAQI
25th Jul 20253811 PMAQI
26th Jul 20254212 AMAQI
26th Jul 2025421 AMAQI
26th Jul 2025422 AMAQI
26th Jul 2025423 AMAQI
33°C29/39°C
26th Jul 2025444 AMAQI
26th Jul 2025465 AMAQI
26th Jul 2025466 AMAQI
26th Jul 2025467 AMAQI
26th Jul 2025468 AMAQI
26th Jul 2025539 AMAQI
26th Jul 20255610 AMAQI
26th Jul 20256111 AMAQI
26th Jul 20256212 PMAQI
26th Jul 2025601 PMAQI
26th Jul 2025602 PMAQI
26th Jul 2025583 PMAQI
26th Jul 2025574 PMAQI
26th Jul 2025415 PMAQI
26th Jul 2025376 PMAQI
26th Jul 2025377 PMAQI
26th Jul 2025368 PMAQI
26th Jul 2025399 PMAQI
26th Jul 20253910 PMAQI
26th Jul 20254411 PMAQI
27th Jul 20255112 AMAQI
27th Jul 2025471 AMAQI
27th Jul 2025442 AMAQI
27th Jul 2025443 AMAQI
33°C28/39°C
27th Jul 2025464 AMAQI
27th Jul 2025485 AMAQI
27th Jul 2025486 AMAQI
27th Jul 2025487 AMAQI
27th Jul 2025478 AMAQI
27th Jul 2025509 AMAQI
27th Jul 20255510 AMAQI
27th Jul 20255711 AMAQI
27th Jul 20256012 PMAQI
27th Jul 2025561 PMAQI
27th Jul 2025522 PMAQI
27th Jul 2025533 PMAQI
27th Jul 2025544 PMAQI
27th Jul 2025505 PMAQI
27th Jul 2025316 PMAQI
27th Jul 2025297 PMAQI
27th Jul 2025348 PMAQI
27th Jul 2025409 PMAQI
27th Jul 20253610 PMAQI
27th Jul 20253711 PMAQI
28th Jul 20253812 AMAQI
28th Jul 2025411 AMAQI
28th Jul 2025472 AMAQI
28th Jul 2025473 AMAQI
33°C28/38°C
28th Jul 2025474 AMAQI
28th Jul 2025495 AMAQI
28th Jul 2025486 AMAQI
28th Jul 2025497 AMAQI
28th Jul 2025498 AMAQI
28th Jul 2025389 AMAQI
28th Jul 20254910 AMAQI
28th Jul 20255811 AMAQI
28th Jul 20255812 PMAQI
28th Jul 2025591 PMAQI
28th Jul 2025542 PMAQI
28th Jul 2025543 PMAQI
28th Jul 2025554 PMAQI
28th Jul 2025575 PMAQI
28th Jul 2025586 PMAQI
28th Jul 2025567 PMAQI
28th Jul 2025508 PMAQI
28th Jul 2025469 PMAQI
28th Jul 20254410 PMAQI
28th Jul 20254211 PMAQI
29th Jul 20254212 AMAQI
29th Jul 2025431 AMAQI
29th Jul 2025442 AMAQI
29th Jul 2025433 AMAQI
33°C29/38°C
29th Jul 2025464 AMAQI
29th Jul 2025475 AMAQI
29th Jul 2025466 AMAQI
29th Jul 2025477 AMAQI
29th Jul 2025478 AMAQI
29th Jul 2025449 AMAQI
29th Jul 20254910 AMAQI
29th Jul 20255911 AMAQI
29th Jul 20255812 PMAQI
29th Jul 2025541 PMAQI
29th Jul 2025542 PMAQI
29th Jul 2025503 PMAQI
29th Jul 2025534 PMAQI
29th Jul 2025555 PMAQI
29th Jul 2025516 PMAQI
29th Jul 2025407 PMAQI
29th Jul 2025388 PMAQI
29th Jul 2025389 PMAQI
29th Jul 20253310 PMAQI
29th Jul 20253311 PMAQI
30th Jul 20253412 AMAQI
30th Jul 2025361 AMAQI
30th Jul 2025442 AMAQI
30th Jul 2025443 AMAQI
33°C28/39°C
30th Jul 2025454 AMAQI
30th Jul 2025465 AMAQI
30th Jul 2025466 AMAQI
30th Jul 2025467 AMAQI
30th Jul 2025468 AMAQI
30th Jul 2025249 AMAQI
30th Jul 20251710 AMAQI
30th Jul 20252811 AMAQI
30th Jul 20252612 PMAQI
30th Jul 2025261 PMAQI
30th Jul 2025302 PMAQI
30th Jul 2025323 PMAQI
30th Jul 2025344 PMAQI
30th Jul 2025355 PMAQI
30th Jul 2025336 PMAQI
30th Jul 2025347 PMAQI
30th Jul 2025378 PMAQI
30th Jul 2025389 PMAQI
30th Jul 20254010 PMAQI
30th Jul 20254111 PMAQI
31st Jul 20254112 AMAQI
31st Jul 2025411 AMAQI
31st Jul 2025442 AMAQI
31st Jul 2025423 AMAQI
31°C27/37°C
31st Jul 2025424 AMAQI
31st Jul 2025425 AMAQI
31st Jul 2025426 AMAQI
31st Jul 2025427 AMAQI
31st Jul 2025428 AMAQI
31st Jul 2025429 AMAQI
31st Jul 20254210 AMAQI
31st Jul 20254911 AMAQI
31st Jul 20254812 PMAQI
31st Jul 2025401 PMAQI
31st Jul 2025342 PMAQI
31st Jul 2025343 PMAQI
31st Jul 2025434 PMAQI
31st Jul 2025405 PMAQI
31st Jul 2025356 PMAQI
31st Jul 2025267 PMAQI
31st Jul 2025288 PMAQI
31st Jul 2025289 PMAQI
31st Jul 20252910 PMAQI
31st Jul 20252811 PMAQI
1st Aug 20252812 AMAQI
1st Aug 2025321 AMAQI
1st Aug 2025322 AMAQI
1st Aug 2025363 AMAQI
30°C26/36°C
1st Aug 2025364 AMAQI
1st Aug 2025365 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025347 AMAQI
1st Aug 2025378 AMAQI
1st Aug 2025389 AMAQI
1st Aug 20253110 AMAQI
1st Aug 20254711 AMAQI
1st Aug 20254512 PMAQI
1st Aug 2025421 PMAQI
1st Aug 2025332 PMAQI
1st Aug 2025323 PMAQI
1st Aug 2025414 PMAQI
1st Aug 2025305 PMAQI
1st Aug 2025406 PMAQI
1st Aug 2025267 PMAQI
1st Aug 2025298 PMAQI
1st Aug 2025309 PMAQI
1st Aug 20253210 PMAQI
1st Aug 20252811 PMAQI
2nd Aug 20253012 AMAQI
2nd Aug 2025341 AMAQI
2nd Aug 2025382 AMAQI
2nd Aug 2025393 AMAQI
28°C26/32°C
2nd Aug 2025384 AMAQI
2nd Aug 2025385 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025377 AMAQI
2nd Aug 2025398 AMAQI
2nd Aug 2025369 AMAQI
2nd Aug 20253310 AMAQI
2nd Aug 20254611 AMAQI
2nd Aug 20253512 PMAQI
2nd Aug 2025401 PMAQI
2nd Aug 2025542 PMAQI
2nd Aug 2025513 PMAQI
2nd Aug 2025504 PMAQI
2nd Aug 2025485 PMAQI
2nd Aug 2025496 PMAQI
2nd Aug 2025527 PMAQI
2nd Aug 2025408 PMAQI
2nd Aug 2025389 PMAQI
2nd Aug 20253610 PMAQI
2nd Aug 20254611 PMAQI
3rd Aug 20253412 AMAQI
3rd Aug 2025351 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025373 AMAQI
32°C27/39°C
3rd Aug 2025404 AMAQI
3rd Aug 2025405 AMAQI
3rd Aug 2025406 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025388 AMAQI
3rd Aug 2025489 AMAQI
3rd Aug 20255410 AMAQI
3rd Aug 20255611 AMAQI
3rd Aug 20256212 PMAQI
3rd Aug 2025541 PMAQI
3rd Aug 2025572 PMAQI
3rd Aug 2025533 PMAQI
3rd Aug 2025484 PMAQI
3rd Aug 2025535 PMAQI
3rd Aug 2025536 PMAQI
3rd Aug 2025447 PMAQI
3rd Aug 2025458 PMAQI
3rd Aug 2025419 PMAQI
3rd Aug 20254110 PMAQI
3rd Aug 20254111 PMAQI
4th Aug 20253812 AMAQI
4th Aug 2025381 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025403 AMAQI
33°C28/38°C
4th Aug 2025424 AMAQI
4th Aug 2025425 AMAQI
4th Aug 2025426 AMAQI
4th Aug 2025437 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025579 AMAQI
4th Aug 20256210 AMAQI
4th Aug 20257111 AMAQI
4th Aug 20256912 PMAQI
4th Aug 2025741 PMAQI
4th Aug 2025812 PMAQI
4th Aug 2025773 PMAQI
4th Aug 2025864 PMAQI
4th Aug 2025945 PMAQI
4th Aug 2025786 PMAQI
4th Aug 2025727 PMAQI
4th Aug 2025658 PMAQI
4th Aug 2025599 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20254611 PMAQI
5th Aug 20255512 AMAQI
5th Aug 2025421 AMAQI
5th Aug 2025422 AMAQI
5th Aug 2025413 AMAQI
34°C28/40°C
5th Aug 2025514 AMAQI
5th Aug 2025535 AMAQI
5th Aug 2025536 AMAQI
5th Aug 2025527 AMAQI
5th Aug 2025538 AMAQI
5th Aug 2025589 AMAQI
5th Aug 20256510 AMAQI
5th Aug 20255811 AMAQI
5th Aug 20256412 PMAQI
5th Aug 2025531 PMAQI
5th Aug 2025542 PMAQI
5th Aug 2025543 PMAQI
5th Aug 2025604 PMAQI
5th Aug 2025525 PMAQI
5th Aug 2025556 PMAQI
5th Aug 2025417 PMAQI
5th Aug 2025458 PMAQI
5th Aug 2025459 PMAQI
5th Aug 20254710 PMAQI
5th Aug 20254311 PMAQI
6th Aug 20254412 AMAQI
6th Aug 2025511 AMAQI
6th Aug 2025512 AMAQI
6th Aug 2025503 AMAQI
35°C30/41°C
6th Aug 2025524 AMAQI
6th Aug 2025525 AMAQI
6th Aug 2025526 AMAQI
6th Aug 2025527 AMAQI
6th Aug 2025528 AMAQI
6th Aug 2025419 AMAQI
6th Aug 20254610 AMAQI
6th Aug 20253811 AMAQI
6th Aug 20254712 PMAQI
6th Aug 2025521 PMAQI
6th Aug 2025572 PMAQI
6th Aug 2025523 PMAQI
6th Aug 2025484 PMAQI
6th Aug 2025545 PMAQI
6th Aug 2025466 PMAQI
6th Aug 2025567 PMAQI
6th Aug 2025538 PMAQI
6th Aug 2025519 PMAQI
6th Aug 20255010 PMAQI
6th Aug 20254911 PMAQI
7th Aug 20254412 AMAQI
7th Aug 2025481 AMAQI
7th Aug 2025522 AMAQI
7th Aug 2025523 AMAQI
33°C29/39°C
7th Aug 2025504 AMAQI
7th Aug 2025505 AMAQI
7th Aug 2025516 AMAQI
7th Aug 2025467 AMAQI
7th Aug 2025518 AMAQI
7th Aug 2025389 AMAQI
7th Aug 20254010 AMAQI
7th Aug 20254811 AMAQI
7th Aug 20253812 PMAQI
7th Aug 2025341 PMAQI
7th Aug 2025272 PMAQI
7th Aug 2025213 PMAQI
7th Aug 2025294 PMAQI
7th Aug 2025325 PMAQI
7th Aug 2025386 PMAQI
7th Aug 2025397 PMAQI
7th Aug 2025428 PMAQI
7th Aug 2025459 PMAQI
7th Aug 20254710 PMAQI
7th Aug 20254611 PMAQI
8th Aug 20254412 AMAQI
8th Aug 2025461 AMAQI
8th Aug 2025492 AMAQI
8th Aug 2025493 AMAQI
30°C28/33°C
8th Aug 2025484 AMAQI
4 AM8th Aug 2025475 AMAQI
8th Aug 2025476 AMAQI
8th Aug 2025467 AMAQI
8th Aug 2025478 AMAQI
8th Aug 2025299 AMAQI
8th Aug 20252610 AMAQI
8th Aug 20253011 AMAQI
11 AM8th Aug 20252912 PMAQI
8th Aug 2025261 PMAQI
8th Aug 2025282 PMAQI
8th Aug 2025293 PMAQI
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
50AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
9 AM - 10 AM
44AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 8 AM (Avg. 50), while the lowest AQI was between 9 AM to 10 AM (Avg. 44).
Night time
Avg. Highest Time
12 AM - 3 AM
47AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM - 8 PM
42AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 47), while the lowest AQI was between 7 PM to 8 PM (Avg. 42).
2025 Days Vs Air Quality
Matsuyama, Higashi Matsuyama, Saitama, Japan
2025
83%
181
17%
38
Total number of days with different AQI categories in last 220 days in 2025 (145 days remaining)
Good
181 DaysModerate
38 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2025, 83% of 220 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
Matsuyama, Higashi Matsuyama, Saitama, 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
31AQI
31AQI
2nd January 2025
31AQI
31AQI
3rd January 2025
26AQI
26AQI
4th January 2025
28AQI
28AQI
5th January 2025
38AQI
38AQI
6th January 2025
55AQI
55AQI
7th January 2025
32AQI
32AQI
8th January 2025
37AQI
37AQI
9th January 2025
32AQI
32AQI
10th January 2025
30AQI
30AQI
11th January 2025
28AQI
28AQI
12th January 2025
41AQI
41AQI
13th January 2025
30AQI
30AQI
14th January 2025
39AQI
39AQI
15th January 2025
32AQI
32AQI
16th January 2025
33AQI
33AQI
17th January 2025
29AQI
29AQI
18th January 2025
35AQI
35AQI
19th January 2025
45AQI
45AQI
20th January 2025
44AQI
44AQI
21st January 2025
47AQI
47AQI
22nd January 2025
40AQI
40AQI
23rd January 2025
50AQI
50AQI
24th January 2025
51AQI
51AQI
25th January 2025
39AQI
39AQI
26th January 2025
39AQI
39AQI
27th January 2025
40AQI
40AQI
28th January 2025
45AQI
45AQI
29th January 2025
35AQI
35AQI
30th January 2025
36AQI
36AQI
31st January 2025
32AQI
32AQI
1st February 2025
47AQI
47AQI
2nd February 2025
46AQI
46AQI
3rd February 2025
47AQI
47AQI
4th February 2025
39AQI
39AQI
5th February 2025
37AQI
37AQI
6th February 2025
30AQI
30AQI
7th February 2025
37AQI
37AQI
8th February 2025
30AQI
30AQI
9th February 2025
31AQI
31AQI
10th February 2025
29AQI
29AQI
11th February 2025
30AQI
30AQI
12th February 2025
42AQI
42AQI
13th February 2025
34AQI
34AQI
14th February 2025
36AQI
36AQI
15th February 2025
31AQI
31AQI
16th February 2025
41AQI
41AQI
17th February 2025
37AQI
37AQI
18th February 2025
34AQI
34AQI
19th February 2025
30AQI
30AQI
20th February 2025
31AQI
31AQI
21st February 2025
32AQI
32AQI
22nd February 2025
31AQI
31AQI
23rd February 2025
32AQI
32AQI
24th February 2025
33AQI
33AQI
25th February 2025
35AQI
35AQI
26th February 2025
41AQI
41AQI
27th February 2025
45AQI
45AQI
28th February 2025
53AQI
53AQI
1st March 2025
57AQI
57AQI
2nd March 2025
63AQI
63AQI
3rd March 2025
41AQI
41AQI
4th March 2025
40AQI
40AQI
5th March 2025
29AQI
29AQI
6th March 2025
36AQI
36AQI
7th March 2025
32AQI
32AQI
8th March 2025
44AQI
44AQI
9th March 2025
38AQI
38AQI
10th March 2025
41AQI
41AQI
11th March 2025
45AQI
45AQI
12th March 2025
52AQI
52AQI
13th March 2025
52AQI
52AQI
14th March 2025
43AQI
43AQI
15th March 2025
44AQI
44AQI
16th March 2025
27AQI
27AQI
17th March 2025
23AQI
23AQI
18th March 2025
28AQI
28AQI
19th March 2025
19AQI
19AQI
20th March 2025
28AQI
28AQI
21st March 2025
40AQI
40AQI
22nd March 2025
49AQI
49AQI
23rd March 2025
58AQI
58AQI
24th March 2025
63AQI
63AQI
25th March 2025
75AQI
75AQI
26th March 2025
77AQI
77AQI
27th March 2025
76AQI
76AQI
28th March 2025
61AQI
61AQI
29th March 2025
38AQI
38AQI
30th March 2025
41AQI
41AQI
31st March 2025
34AQI
34AQI
1st April 2025
33AQI
33AQI
2nd April 2025
22AQI
22AQI
3rd April 2025
24AQI
24AQI
4th April 2025
23AQI
23AQI
5th April 2025
32AQI
32AQI
6th April 2025
27AQI
27AQI
7th April 2025
35AQI
35AQI
8th April 2025
42AQI
42AQI
9th April 2025
33AQI
33AQI
10th April 2025
50AQI
50AQI
11th April 2025
45AQI
45AQI
12th April 2025
46AQI
46AQI
13th April 2025
35AQI
35AQI
14th April 2025
36AQI
36AQI
15th April 2025
27AQI
27AQI
16th April 2025
31AQI
31AQI
17th April 2025
46AQI
46AQI
18th April 2025
56AQI
56AQI
19th April 2025
69AQI
69AQI
20th April 2025
65AQI
65AQI
21st April 2025
48AQI
48AQI
22nd April 2025
56AQI
56AQI
23rd April 2025
36AQI
36AQI
24th April 2025
45AQI
45AQI
25th April 2025
44AQI
44AQI
26th April 2025
51AQI
51AQI
27th April 2025
52AQI
52AQI
28th April 2025
56AQI
56AQI
29th April 2025
41AQI
41AQI
30th April 2025
52AQI
52AQI
1st May 2025
47AQI
47AQI
2nd May 2025
36AQI
36AQI
3rd May 2025
34AQI
34AQI
4th May 2025
42AQI
42AQI
5th May 2025
37AQI
37AQI
6th May 2025
35AQI
35AQI
7th May 2025
27AQI
27AQI
8th May 2025
35AQI
35AQI
9th May 2025
35AQI
35AQI
10th May 2025
24AQI
24AQI
11th May 2025
24AQI
24AQI
12th May 2025
25AQI
25AQI
13th May 2025
36AQI
36AQI
14th May 2025
42AQI
42AQI
15th May 2025
43AQI
43AQI
16th May 2025
49AQI
49AQI
17th May 2025
31AQI
31AQI
18th May 2025
44AQI
44AQI
19th May 2025
45AQI
45AQI
20th May 2025
60AQI
60AQI
21st May 2025
67AQI
67AQI
22nd May 2025
56AQI
56AQI
23rd May 2025
54AQI
54AQI
24th May 2025
50AQI
50AQI
25th May 2025
34AQI
34AQI
26th May 2025
38AQI
38AQI
27th May 2025
32AQI
32AQI
28th May 2025
32AQI
32AQI
29th May 2025
36AQI
36AQI
30th May 2025
32AQI
32AQI
31st May 2025
22AQI
22AQI
1st June 2025
24AQI
24AQI
2nd June 2025
34AQI
34AQI
3rd June 2025
36AQI
36AQI
4th June 2025
31AQI
31AQI
5th June 2025
43AQI
43AQI
6th June 2025
47AQI
47AQI
7th June 2025
53AQI
53AQI
8th June 2025
61AQI
61AQI
9th June 2025
55AQI
55AQI
10th June 2025
42AQI
42AQI
11th June 2025
33AQI
33AQI
12th June 2025
30AQI
30AQI
13th June 2025
32AQI
32AQI
14th June 2025
26AQI
26AQI
15th June 2025
24AQI
24AQI
16th June 2025
27AQI
27AQI
17th June 2025
38AQI
38AQI
18th June 2025
42AQI
42AQI
19th June 2025
48AQI
48AQI
20th June 2025
47AQI
47AQI
21st June 2025
40AQI
40AQI
22nd June 2025
27AQI
27AQI
23rd June 2025
31AQI
31AQI
24th June 2025
34AQI
34AQI
25th June 2025
27AQI
27AQI
26th June 2025
27AQI
27AQI
27th June 2025
35AQI
35AQI
28th June 2025
36AQI
36AQI
29th June 2025
42AQI
42AQI
30th June 2025
46AQI
46AQI
1st July 2025
49AQI
49AQI
2nd July 2025
48AQI
48AQI
3rd July 2025
48AQI
48AQI
4th July 2025
49AQI
49AQI
5th July 2025
53AQI
53AQI
6th July 2025
58AQI
58AQI
7th July 2025
76AQI
76AQI
8th July 2025
79AQI
79AQI
9th July 2025
80AQI
80AQI
10th July 2025
64AQI
64AQI
11th July 2025
50AQI
50AQI
12th July 2025
53AQI
53AQI
13th July 2025
55AQI
55AQI
14th July 2025
43AQI
43AQI
15th July 2025
40AQI
40AQI
16th July 2025
42AQI
42AQI
17th July 2025
42AQI
42AQI
18th July 2025
41AQI
41AQI
19th July 2025
37AQI
37AQI
20th July 2025
39AQI
39AQI
21st July 2025
42AQI
42AQI
22nd July 2025
43AQI
43AQI
23rd July 2025
48AQI
48AQI
24th July 2025
48AQI
48AQI
25th July 2025
48AQI
48AQI
26th July 2025
46AQI
46AQI
27th July 2025
45AQI
45AQI
28th July 2025
49AQI
49AQI
29th July 2025
46AQI
46AQI
30th July 2025
37AQI
37AQI
31st July 2025
38AQI
38AQI
1st August 2025
34AQI
34AQI
2nd August 2025
41AQI
41AQI
3rd August 2025
45AQI
45AQI
4th August 2025
58AQI
58AQI
5th August 2025
51AQI
51AQI
6th August 2025
50AQI
50AQI
7th August 2025
46AQI
46AQI
37AQI
36AQI
45AQI
42AQI
39AQI
37AQI
50AQI
46AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202541AQI
29
2
27
1
21
10
22
8
27
4
27
3
23
8
5
2
181
38
Highest AQI recorded in
July50AQI
Lowest AQI recorded in
February36AQI
202442AQI
28
3
26
3
23
8
15
15
25
6
21
9
14
17
27
4
25
5
27
4
27
3
29
2
287
79
Highest AQI recorded in
April54AQI
Lowest AQI recorded in
December34AQI
202345AQI
24
7
18
10
15
16
14
16
18
13
17
13
13
18
29
2
28
2
26
5
19
10
20
11
241
123
Highest AQI recorded in
April53AQI
Lowest AQI recorded in
August35AQI
202243AQI
26
5
15
6
17
14
14
16
21
10
18
12
16
7
1
1
26
3
25
6
17
13
31
227
93
Highest AQI recorded in
August51AQI
Lowest AQI recorded in
December31AQI
202142AQI
21
10
21
7
16
14
1
24
6
22
9
23
7
28
3
25
6
26
4
26
5
20
10
25
6
277
87
1
Highest AQI recorded in
March50AQI
Lowest AQI recorded in
August36AQI
202041AQI
8
5
17
4
18
19
11
28
3
16
15
18
1
27
4
17
12
1
21
10
189
65
1
Highest AQI recorded in
August51AQI
Lowest AQI recorded in
September30AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
45AQILeast Polluted Year Recorded
2020(Avg.)
41AQIMatsuyama's annual 2025 AQI (41) shows an average percentage change of -3.03% (improved AQI) compared to previous years: 2020 (41), 2021 (42), 2022 (43), 2023 (45), 2024 (42).
