Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Matsuyama, Ehime, 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, Ehime, Japan

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
1st Aug 2021
72AQI
Lowest AQI recorded on
2nd Aug 2022
19AQI

Same Day Analysis (20th 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

Globe

Day & Night AQI Trend: 20th Aug - 21st Aug 2025

Matsuyama, Ehime, Japan

AQI
Day
Night
.

5 AM20th Aug 2025

7 PM

4 AM21st Aug 2025

Day time
Avg. Highest Time
12PM20th Aug

57AQI

Avg. Lowest Time
6PM20th Aug

38AQI

Night time
Avg. Highest Time
4AM21st Aug

50AQI

Avg. Lowest Time
7PM20th Aug

34AQI

In the last 24 hours,

Matsuyama's AQI reached its highest point of 57 at 12 PM during the Day, while the lowest point, 34, was recorded at 7 PM during the Night between 20th Aug and 21st Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Matsuyama, Ehime, Japan

JulAug
22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st
Day
Night
22nd Jul 2025425 AMAQI
22nd Jul 2025426 AMAQI
22nd Jul 2025427 AMAQI
22nd Jul 2025428 AMAQI
22nd Jul 2025259 AMAQI
22nd Jul 20252210 AMAQI
22nd Jul 20252511 AMAQI
22nd Jul 20252412 PMAQI
22nd Jul 2025281 PMAQI
22nd Jul 2025302 PMAQI
22nd Jul 2025293 PMAQI
22nd Jul 2025324 PMAQI
22nd Jul 2025305 PMAQI
22nd Jul 2025256 PMAQI
22nd Jul 2025287 PMAQI
22nd Jul 2025388 PMAQI
22nd Jul 2025409 PMAQI
22nd Jul 20254010 PMAQI
22nd Jul 20253811 PMAQI
23rd Jul 20253312 AMAQI
23rd Jul 2025371 AMAQI
23rd Jul 2025422 AMAQI
23rd Jul 2025423 AMAQI
23rd Jul 2025414 AMAQI

26°C23/29°C

23rd Jul 2025395 AMAQI
23rd Jul 2025396 AMAQI
23rd Jul 2025397 AMAQI
23rd Jul 2025398 AMAQI
23rd Jul 2025309 AMAQI
23rd Jul 20252310 AMAQI
23rd Jul 20252411 AMAQI
23rd Jul 20253012 PMAQI
23rd Jul 2025301 PMAQI
23rd Jul 2025302 PMAQI
23rd Jul 2025313 PMAQI
23rd Jul 2025384 PMAQI
23rd Jul 2025395 PMAQI
23rd Jul 2025386 PMAQI
23rd Jul 2025447 PMAQI
23rd Jul 2025368 PMAQI
23rd Jul 2025409 PMAQI
23rd Jul 20254010 PMAQI
23rd Jul 20253911 PMAQI
24th Jul 20253812 AMAQI
24th Jul 2025411 AMAQI
24th Jul 2025372 AMAQI
24th Jul 2025393 AMAQI
24th Jul 2025384 AMAQI

26°C23/30°C

24th Jul 2025375 AMAQI
24th Jul 2025376 AMAQI
24th Jul 2025377 AMAQI
24th Jul 2025378 AMAQI
24th Jul 2025269 AMAQI
24th Jul 20252610 AMAQI
24th Jul 20253511 AMAQI
24th Jul 20253612 PMAQI
24th Jul 2025451 PMAQI
24th Jul 2025442 PMAQI
24th Jul 2025453 PMAQI
24th Jul 2025504 PMAQI
24th Jul 2025515 PMAQI
24th Jul 2025536 PMAQI
24th Jul 2025587 PMAQI
24th Jul 2025478 PMAQI
24th Jul 2025419 PMAQI
24th Jul 20254310 PMAQI
24th Jul 20253811 PMAQI
25th Jul 20253912 AMAQI
25th Jul 2025411 AMAQI
25th Jul 2025382 AMAQI
25th Jul 2025383 AMAQI
25th Jul 2025384 AMAQI

26°C23/30°C

25th Jul 2025385 AMAQI
25th Jul 2025386 AMAQI
25th Jul 2025387 AMAQI
25th Jul 2025388 AMAQI
25th Jul 2025309 AMAQI
25th Jul 20252910 AMAQI
25th Jul 20253311 AMAQI
25th Jul 20253612 PMAQI
25th Jul 2025311 PMAQI
25th Jul 2025302 PMAQI
25th Jul 2025313 PMAQI
25th Jul 2025314 PMAQI
25th Jul 2025325 PMAQI
25th Jul 2025336 PMAQI
25th Jul 2025307 PMAQI
25th Jul 2025288 PMAQI
25th Jul 2025339 PMAQI
25th Jul 20253110 PMAQI
25th Jul 20253111 PMAQI
26th Jul 20253312 AMAQI
26th Jul 2025351 AMAQI
26th Jul 2025382 AMAQI
26th Jul 2025383 AMAQI
26th Jul 2025374 AMAQI

27°C23/31°C

26th Jul 2025375 AMAQI
26th Jul 2025376 AMAQI
26th Jul 2025377 AMAQI
26th Jul 2025378 AMAQI
26th Jul 2025279 AMAQI
26th Jul 20252710 AMAQI
26th Jul 20253011 AMAQI
26th Jul 20254312 PMAQI
26th Jul 2025321 PMAQI
26th Jul 2025272 PMAQI
26th Jul 2025273 PMAQI
26th Jul 2025214 PMAQI
26th Jul 2025185 PMAQI
26th Jul 2025186 PMAQI
26th Jul 2025207 PMAQI
26th Jul 2025238 PMAQI
26th Jul 2025299 PMAQI
26th Jul 20253110 PMAQI
26th Jul 20253011 PMAQI
27th Jul 20253012 AMAQI
27th Jul 2025311 AMAQI
27th Jul 2025342 AMAQI
27th Jul 2025363 AMAQI
27th Jul 2025364 AMAQI

27°C24/31°C

27th Jul 2025345 AMAQI
27th Jul 2025346 AMAQI
27th Jul 2025357 AMAQI
27th Jul 2025348 AMAQI
27th Jul 2025269 AMAQI
27th Jul 20252210 AMAQI
27th Jul 20252011 AMAQI
27th Jul 20252012 PMAQI
27th Jul 2025221 PMAQI
27th Jul 2025232 PMAQI
27th Jul 2025213 PMAQI
27th Jul 2025244 PMAQI
27th Jul 2025275 PMAQI
27th Jul 2025296 PMAQI
27th Jul 2025267 PMAQI
27th Jul 2025298 PMAQI
27th Jul 2025299 PMAQI
27th Jul 20252910 PMAQI
27th Jul 20253111 PMAQI
28th Jul 20253112 AMAQI
28th Jul 2025311 AMAQI
28th Jul 2025332 AMAQI
28th Jul 2025323 AMAQI
28th Jul 2025324 AMAQI

27°C23/32°C

28th Jul 2025315 AMAQI
28th Jul 2025316 AMAQI
28th Jul 2025317 AMAQI
28th Jul 2025318 AMAQI
28th Jul 2025249 AMAQI
28th Jul 20252610 AMAQI
28th Jul 20253011 AMAQI
28th Jul 20252912 PMAQI
28th Jul 2025351 PMAQI
28th Jul 2025442 PMAQI
28th Jul 2025453 PMAQI
28th Jul 2025334 PMAQI
28th Jul 2025455 PMAQI
28th Jul 2025446 PMAQI
28th Jul 2025377 PMAQI
28th Jul 2025368 PMAQI
28th Jul 2025379 PMAQI
28th Jul 20253910 PMAQI
28th Jul 20253511 PMAQI
29th Jul 20253012 AMAQI
29th Jul 2025301 AMAQI
29th Jul 2025312 AMAQI
29th Jul 2025313 AMAQI
29th Jul 2025324 AMAQI

26°C23/30°C

29th Jul 2025325 AMAQI
29th Jul 2025326 AMAQI
29th Jul 2025327 AMAQI
29th Jul 2025318 AMAQI
29th Jul 2025269 AMAQI
29th Jul 20252810 AMAQI
29th Jul 20252811 AMAQI
29th Jul 20253012 PMAQI
29th Jul 2025391 PMAQI
29th Jul 2025442 PMAQI
29th Jul 2025413 PMAQI
29th Jul 2025504 PMAQI
29th Jul 2025505 PMAQI
29th Jul 2025426 PMAQI
29th Jul 2025367 PMAQI
29th Jul 2025318 PMAQI
29th Jul 2025299 PMAQI
29th Jul 20253010 PMAQI
29th Jul 20253411 PMAQI
30th Jul 20253412 AMAQI
30th Jul 2025301 AMAQI
30th Jul 2025302 AMAQI
30th Jul 2025323 AMAQI
30th Jul 2025324 AMAQI

26°C24/30°C

30th Jul 2025325 AMAQI
30th Jul 2025326 AMAQI
30th Jul 2025317 AMAQI
30th Jul 2025328 AMAQI
30th Jul 2025279 AMAQI
30th Jul 20252610 AMAQI
30th Jul 20253011 AMAQI
30th Jul 20253412 PMAQI
30th Jul 2025341 PMAQI
30th Jul 2025382 PMAQI
30th Jul 2025443 PMAQI
30th Jul 2025394 PMAQI
30th Jul 2025365 PMAQI
30th Jul 2025356 PMAQI
30th Jul 2025377 PMAQI
30th Jul 2025348 PMAQI
30th Jul 2025319 PMAQI
30th Jul 20253110 PMAQI
30th Jul 20252611 PMAQI
31st Jul 20252712 AMAQI
31st Jul 2025271 AMAQI
31st Jul 2025302 AMAQI
31st Jul 2025323 AMAQI
31st Jul 2025314 AMAQI

26°C23/30°C

31st Jul 2025315 AMAQI
31st Jul 2025316 AMAQI
31st Jul 2025317 AMAQI
31st Jul 2025318 AMAQI
31st Jul 2025319 AMAQI
31st Jul 20253110 AMAQI
31st Jul 20253011 AMAQI
31st Jul 20253212 PMAQI
31st Jul 2025331 PMAQI
31st Jul 2025382 PMAQI
31st Jul 2025453 PMAQI
31st Jul 2025464 PMAQI
31st Jul 2025435 PMAQI
31st Jul 2025426 PMAQI
31st Jul 2025427 PMAQI
31st Jul 2025358 PMAQI
31st Jul 2025429 PMAQI
31st Jul 20254310 PMAQI
31st Jul 20254011 PMAQI
1st Aug 20253812 AMAQI
1st Aug 2025371 AMAQI
1st Aug 2025322 AMAQI
1st Aug 2025333 AMAQI
1st Aug 2025334 AMAQI

26°C23/30°C

1st Aug 2025335 AMAQI
1st Aug 2025346 AMAQI
1st Aug 2025377 AMAQI
1st Aug 2025348 AMAQI
1st Aug 2025489 AMAQI
1st Aug 20255010 AMAQI
1st Aug 20255211 AMAQI
1st Aug 20255112 PMAQI
1st Aug 2025521 PMAQI
1st Aug 2025492 PMAQI
1st Aug 2025503 PMAQI
1st Aug 2025534 PMAQI
1st Aug 2025525 PMAQI
1st Aug 2025536 PMAQI
1st Aug 2025497 PMAQI
1st Aug 2025458 PMAQI
1st Aug 2025449 PMAQI
1st Aug 20254110 PMAQI
1st Aug 20254111 PMAQI
2nd Aug 20254112 AMAQI
2nd Aug 2025351 AMAQI
2nd Aug 2025392 AMAQI
2nd Aug 2025353 AMAQI
2nd Aug 2025374 AMAQI

27°C24/31°C

2nd Aug 2025405 AMAQI
2nd Aug 2025416 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025398 AMAQI
2nd Aug 2025419 AMAQI
2nd Aug 20254310 AMAQI
2nd Aug 20254611 AMAQI
2nd Aug 20255212 PMAQI
2nd Aug 2025511 PMAQI
2nd Aug 2025532 PMAQI
2nd Aug 2025523 PMAQI
2nd Aug 2025484 PMAQI
2nd Aug 2025415 PMAQI
2nd Aug 2025446 PMAQI
2nd Aug 2025397 PMAQI
2nd Aug 2025478 PMAQI
2nd Aug 2025399 PMAQI
2nd Aug 20254110 PMAQI
2nd Aug 20254711 PMAQI
3rd Aug 20254212 AMAQI
3rd Aug 2025391 AMAQI
3rd Aug 2025382 AMAQI
3rd Aug 2025393 AMAQI
3rd Aug 2025404 AMAQI

27°C24/31°C

3rd Aug 2025425 AMAQI
3rd Aug 2025416 AMAQI
3rd Aug 2025427 AMAQI
3rd Aug 2025428 AMAQI
3rd Aug 2025469 AMAQI
3rd Aug 20254410 AMAQI
3rd Aug 20255311 AMAQI
3rd Aug 20255412 PMAQI
3rd Aug 2025531 PMAQI
3rd Aug 2025522 PMAQI
3rd Aug 2025533 PMAQI
3rd Aug 2025554 PMAQI
3rd Aug 2025475 PMAQI
3rd Aug 2025526 PMAQI
3rd Aug 2025497 PMAQI
3rd Aug 2025468 PMAQI
3rd Aug 2025499 PMAQI
3rd Aug 20254810 PMAQI
3rd Aug 20254411 PMAQI
4th Aug 20254812 AMAQI
4th Aug 2025421 AMAQI
4th Aug 2025412 AMAQI
4th Aug 2025413 AMAQI
4th Aug 2025434 AMAQI

27°C24/31°C

4th Aug 2025445 AMAQI
4th Aug 2025446 AMAQI
4th Aug 2025447 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025609 AMAQI
4th Aug 20256410 AMAQI
4th Aug 20257111 AMAQI
4th Aug 20257212 PMAQI
4th Aug 2025721 PMAQI
4th Aug 2025732 PMAQI
4th Aug 2025703 PMAQI
4th Aug 2025674 PMAQI
4th Aug 2025635 PMAQI
4th Aug 2025596 PMAQI
4th Aug 2025617 PMAQI
4th Aug 2025538 PMAQI
4th Aug 2025529 PMAQI
4th Aug 20254810 PMAQI
4th Aug 20254811 PMAQI
5th Aug 20255112 AMAQI
5th Aug 2025461 AMAQI
5th Aug 2025422 AMAQI
5th Aug 2025423 AMAQI
5th Aug 2025504 AMAQI

28°C24/32°C

5th Aug 2025525 AMAQI
5th Aug 2025526 AMAQI
5th Aug 2025527 AMAQI
5th Aug 2025528 AMAQI
5th Aug 2025459 AMAQI
5th Aug 20254710 AMAQI
5th Aug 20254511 AMAQI
5th Aug 20255012 PMAQI
5th Aug 2025511 PMAQI
5th Aug 2025482 PMAQI
5th Aug 2025463 PMAQI
5th Aug 2025544 PMAQI
5th Aug 2025445 PMAQI
5th Aug 2025476 PMAQI
5th Aug 2025447 PMAQI
5th Aug 2025498 PMAQI
5th Aug 2025489 PMAQI
5th Aug 20254910 PMAQI
5th Aug 20254811 PMAQI
6th Aug 20254512 AMAQI
6th Aug 2025471 AMAQI
6th Aug 2025492 AMAQI
6th Aug 2025483 AMAQI
6th Aug 2025504 AMAQI

28°C24/32°C

6th Aug 2025495 AMAQI
6th Aug 2025496 AMAQI
6th Aug 2025517 AMAQI
6th Aug 2025498 AMAQI
6th Aug 2025429 AMAQI
6th Aug 20253610 AMAQI
6th Aug 20253611 AMAQI
6th Aug 20253712 PMAQI
6th Aug 2025441 PMAQI
6th Aug 2025402 PMAQI
6th Aug 2025343 PMAQI
6th Aug 2025364 PMAQI
6th Aug 2025365 PMAQI
6th Aug 2025426 PMAQI
6th Aug 2025457 PMAQI
6th Aug 2025458 PMAQI
6th Aug 2025439 PMAQI
6th Aug 20254310 PMAQI
6th Aug 20254211 PMAQI
7th Aug 20254612 AMAQI
7th Aug 2025471 AMAQI
7th Aug 2025482 AMAQI
7th Aug 2025483 AMAQI
7th Aug 2025454 AMAQI

28°C25/32°C

7th Aug 2025475 AMAQI
7th Aug 2025466 AMAQI
7th Aug 2025477 AMAQI
7th Aug 2025458 AMAQI
7th Aug 2025409 AMAQI
7th Aug 20253810 AMAQI
7th Aug 20254411 AMAQI
7th Aug 20254412 PMAQI
7th Aug 2025481 PMAQI
7th Aug 2025442 PMAQI
7th Aug 2025373 PMAQI
7th Aug 2025424 PMAQI
7th Aug 2025505 PMAQI
7th Aug 2025556 PMAQI
7th Aug 2025587 PMAQI
7th Aug 2025518 PMAQI
7th Aug 2025499 PMAQI
7th Aug 20255310 PMAQI
7th Aug 20255211 PMAQI
8th Aug 20255012 AMAQI
8th Aug 2025491 AMAQI
8th Aug 2025482 AMAQI
8th Aug 2025483 AMAQI
8th Aug 2025474 AMAQI

26°C24/28°C

8th Aug 2025475 AMAQI
8th Aug 2025476 AMAQI
8th Aug 2025477 AMAQI
8th Aug 2025478 AMAQI
8th Aug 2025429 AMAQI
8th Aug 20253610 AMAQI
8th Aug 20254611 AMAQI
8th Aug 20255412 PMAQI
8th Aug 2025521 PMAQI
8th Aug 2025532 PMAQI
8th Aug 2025523 PMAQI
8th Aug 2025554 PMAQI
8th Aug 2025535 PMAQI
8th Aug 2025536 PMAQI
8th Aug 2025487 PMAQI
8th Aug 2025518 PMAQI
8th Aug 2025509 PMAQI
8th Aug 20254710 PMAQI
8th Aug 20254811 PMAQI
9th Aug 20254812 AMAQI
9th Aug 2025491 AMAQI
9th Aug 2025492 AMAQI
9th Aug 2025483 AMAQI
9th Aug 2025494 AMAQI

26°C23/29°C

9th Aug 2025495 AMAQI
9th Aug 2025496 AMAQI
9th Aug 2025497 AMAQI
9th Aug 2025498 AMAQI
9th Aug 2025349 AMAQI
9th Aug 20253210 AMAQI
9th Aug 20253911 AMAQI
9th Aug 20254612 PMAQI
9th Aug 2025471 PMAQI
9th Aug 2025502 PMAQI
9th Aug 2025383 PMAQI
9th Aug 2025284 PMAQI
9th Aug 2025265 PMAQI
9th Aug 2025246 PMAQI
9th Aug 2025227 PMAQI
9th Aug 2025298 PMAQI
9th Aug 2025409 PMAQI
9th Aug 20253910 PMAQI
9th Aug 20253811 PMAQI
10th Aug 20253612 AMAQI
10th Aug 2025411 AMAQI
10th Aug 2025502 AMAQI
10th Aug 2025493 AMAQI
10th Aug 2025494 AMAQI

24°C23/25°C

10th Aug 2025485 AMAQI
10th Aug 2025486 AMAQI
10th Aug 2025487 AMAQI
10th Aug 2025488 AMAQI
10th Aug 2025479 AMAQI
10th Aug 20255010 AMAQI
10th Aug 20255211 AMAQI
10th Aug 20254512 PMAQI
10th Aug 2025501 PMAQI
10th Aug 2025602 PMAQI
10th Aug 2025643 PMAQI
10th Aug 2025624 PMAQI
10th Aug 2025495 PMAQI
10th Aug 2025426 PMAQI
10th Aug 2025377 PMAQI
10th Aug 2025458 PMAQI
10th Aug 2025429 PMAQI
10th Aug 20253410 PMAQI
10th Aug 20253411 PMAQI
11th Aug 20253412 AMAQI
11th Aug 2025371 AMAQI
11th Aug 2025442 AMAQI
11th Aug 2025463 AMAQI
11th Aug 2025474 AMAQI

24°C24/25°C

11th Aug 2025485 AMAQI
11th Aug 2025486 AMAQI
11th Aug 2025487 AMAQI
11th Aug 2025488 AMAQI
11th Aug 2025269 AMAQI
11th Aug 20252510 AMAQI
11th Aug 20253711 AMAQI
11th Aug 20253912 PMAQI
11th Aug 2025301 PMAQI
11th Aug 2025352 PMAQI
11th Aug 2025263 PMAQI
11th Aug 2025204 PMAQI
11th Aug 2025195 PMAQI
11th Aug 2025276 PMAQI
11th Aug 2025237 PMAQI
11th Aug 2025278 PMAQI
11th Aug 2025299 PMAQI
11th Aug 20252910 PMAQI
11th Aug 20253011 PMAQI
12th Aug 20253112 AMAQI
12th Aug 2025381 AMAQI
12th Aug 2025412 AMAQI
12th Aug 2025403 AMAQI
12th Aug 2025364 AMAQI

25°C24/26°C

12th Aug 2025345 AMAQI
12th Aug 2025346 AMAQI
12th Aug 2025347 AMAQI
12th Aug 2025368 AMAQI
12th Aug 2025259 AMAQI
12th Aug 20251810 AMAQI
12th Aug 20253511 AMAQI
12th Aug 20253812 PMAQI
12th Aug 2025251 PMAQI
12th Aug 2025262 PMAQI
12th Aug 2025263 PMAQI
12th Aug 2025304 PMAQI
12th Aug 2025265 PMAQI
12th Aug 2025326 PMAQI
12th Aug 2025327 PMAQI
12th Aug 2025348 PMAQI
12th Aug 2025359 PMAQI
12th Aug 20253110 PMAQI
12th Aug 20253111 PMAQI
13th Aug 20253112 AMAQI
13th Aug 2025331 AMAQI
13th Aug 2025392 AMAQI
13th Aug 2025373 AMAQI
13th Aug 2025354 AMAQI

25°C24/27°C

13th Aug 2025335 AMAQI
13th Aug 2025336 AMAQI
13th Aug 2025347 AMAQI
13th Aug 2025338 AMAQI
13th Aug 2025339 AMAQI
13th Aug 20253210 AMAQI
13th Aug 20254711 AMAQI
13th Aug 20254912 PMAQI
13th Aug 2025411 PMAQI
13th Aug 2025482 PMAQI
13th Aug 2025523 PMAQI
13th Aug 2025524 PMAQI
13th Aug 2025515 PMAQI
13th Aug 2025496 PMAQI
13th Aug 2025517 PMAQI
13th Aug 2025328 PMAQI
13th Aug 2025389 PMAQI
13th Aug 20253410 PMAQI
13th Aug 20253611 PMAQI
14th Aug 20254112 AMAQI
14th Aug 2025331 AMAQI
14th Aug 2025352 AMAQI
14th Aug 2025363 AMAQI
14th Aug 2025354 AMAQI

27°C24/29°C

14th Aug 2025375 AMAQI
14th Aug 2025366 AMAQI
14th Aug 2025377 AMAQI
14th Aug 2025368 AMAQI
14th Aug 2025469 AMAQI
14th Aug 20255410 AMAQI
14th Aug 20254911 AMAQI
14th Aug 20254412 PMAQI
14th Aug 2025471 PMAQI
14th Aug 2025522 PMAQI
14th Aug 2025493 PMAQI
14th Aug 2025514 PMAQI
14th Aug 2025465 PMAQI
14th Aug 2025486 PMAQI
14th Aug 2025517 PMAQI
14th Aug 2025478 PMAQI
14th Aug 2025459 PMAQI
14th Aug 20254810 PMAQI
14th Aug 20254711 PMAQI
15th Aug 20254512 AMAQI
15th Aug 2025361 AMAQI
15th Aug 2025362 AMAQI
15th Aug 2025363 AMAQI
15th Aug 2025394 AMAQI

27°C25/30°C

15th Aug 2025395 AMAQI
15th Aug 2025396 AMAQI
15th Aug 2025387 AMAQI
15th Aug 2025398 AMAQI
15th Aug 2025459 AMAQI
15th Aug 20254810 AMAQI
15th Aug 20254411 AMAQI
15th Aug 20254812 PMAQI
15th Aug 2025481 PMAQI
15th Aug 2025552 PMAQI
15th Aug 2025463 PMAQI
15th Aug 2025554 PMAQI
15th Aug 2025515 PMAQI
15th Aug 2025466 PMAQI
15th Aug 2025507 PMAQI
15th Aug 2025458 PMAQI
15th Aug 2025419 PMAQI
15th Aug 20253710 PMAQI
15th Aug 20253811 PMAQI
16th Aug 20254212 AMAQI
16th Aug 2025401 AMAQI
16th Aug 2025382 AMAQI
16th Aug 2025393 AMAQI
16th Aug 2025394 AMAQI

27°C25/30°C

16th Aug 2025395 AMAQI
16th Aug 2025396 AMAQI
16th Aug 2025407 AMAQI
16th Aug 2025408 AMAQI
16th Aug 2025379 AMAQI
16th Aug 20253810 AMAQI
16th Aug 20253711 AMAQI
16th Aug 20254412 PMAQI
16th Aug 2025461 PMAQI
16th Aug 2025422 PMAQI
16th Aug 2025433 PMAQI
16th Aug 2025464 PMAQI
16th Aug 2025475 PMAQI
16th Aug 2025456 PMAQI
16th Aug 2025367 PMAQI
16th Aug 2025398 PMAQI
16th Aug 2025359 PMAQI
16th Aug 20253610 PMAQI
16th Aug 20253811 PMAQI
17th Aug 20253712 AMAQI
17th Aug 2025381 AMAQI
17th Aug 2025392 AMAQI
17th Aug 2025393 AMAQI
17th Aug 2025394 AMAQI

27°C25/30°C

17th Aug 2025395 AMAQI
17th Aug 2025396 AMAQI
17th Aug 2025387 AMAQI
17th Aug 2025398 AMAQI
17th Aug 2025389 AMAQI
17th Aug 20254710 AMAQI
17th Aug 20254711 AMAQI
17th Aug 20255112 PMAQI
17th Aug 2025521 PMAQI
17th Aug 2025452 PMAQI
17th Aug 2025483 PMAQI
17th Aug 2025344 PMAQI
17th Aug 2025415 PMAQI
17th Aug 2025376 PMAQI
17th Aug 2025377 PMAQI
17th Aug 2025368 PMAQI
17th Aug 2025369 PMAQI
17th Aug 20253810 PMAQI
17th Aug 20253711 PMAQI
18th Aug 20253812 AMAQI
18th Aug 2025381 AMAQI
18th Aug 2025382 AMAQI
18th Aug 2025383 AMAQI
18th Aug 2025394 AMAQI

27°C25/30°C

18th Aug 2025405 AMAQI
18th Aug 2025416 AMAQI
18th Aug 2025417 AMAQI
18th Aug 2025418 AMAQI
18th Aug 2025339 AMAQI
18th Aug 20253710 AMAQI
18th Aug 20254711 AMAQI
18th Aug 20254012 PMAQI
18th Aug 2025521 PMAQI
18th Aug 2025502 PMAQI
18th Aug 2025483 PMAQI
18th Aug 2025524 PMAQI
18th Aug 2025545 PMAQI
18th Aug 2025556 PMAQI
18th Aug 2025507 PMAQI
18th Aug 2025468 PMAQI
18th Aug 2025429 PMAQI
18th Aug 20254410 PMAQI
18th Aug 20254011 PMAQI
19th Aug 20254512 AMAQI
19th Aug 2025401 AMAQI
19th Aug 2025412 AMAQI
19th Aug 2025393 AMAQI
19th Aug 2025404 AMAQI

27°C25/29°C

19th Aug 2025415 AMAQI
19th Aug 2025416 AMAQI
19th Aug 2025417 AMAQI
19th Aug 2025418 AMAQI
19th Aug 2025489 AMAQI
19th Aug 20255410 AMAQI
19th Aug 20254111 AMAQI
19th Aug 20255512 PMAQI
19th Aug 2025591 PMAQI
19th Aug 2025592 PMAQI
19th Aug 2025543 PMAQI
19th Aug 2025564 PMAQI
19th Aug 2025545 PMAQI
19th Aug 2025546 PMAQI
19th Aug 2025597 PMAQI
19th Aug 2025588 PMAQI
19th Aug 2025519 PMAQI
19th Aug 20255510 PMAQI
19th Aug 20255511 PMAQI
20th Aug 20255312 AMAQI
20th Aug 2025471 AMAQI
20th Aug 2025422 AMAQI
20th Aug 2025423 AMAQI
20th Aug 2025454 AMAQI

27°C25/30°C

20th Aug 2025445 AMAQI
20th Aug 2025456 AMAQI
20th Aug 2025477 AMAQI
20th Aug 2025458 AMAQI
20th Aug 2025529 AMAQI
20th Aug 20255210 AMAQI
20th Aug 20255311 AMAQI
20th Aug 20255712 PMAQI
20th Aug 2025451 PMAQI
20th Aug 2025502 PMAQI
20th Aug 2025443 PMAQI
20th Aug 2025494 PMAQI
20th Aug 2025385 PMAQI
20th Aug 2025386 PMAQI
20th Aug 2025347 PMAQI
20th Aug 2025428 PMAQI
20th Aug 2025429 PMAQI
20th Aug 20254210 PMAQI
20th Aug 20253811 PMAQI
21st Aug 20254112 AMAQI
21st Aug 2025471 AMAQI
21st Aug 2025472 AMAQI
21st Aug 2025473 AMAQI
21st Aug 2025504 AMAQI

27°C25/30°C

21st Aug 2025505 AMAQI
5 AM
21st Aug 2025496 AMAQI
21st Aug 2025497 AMAQI
21st Aug 2025498 AMAQI
21st Aug 2025289 AMAQI
21st Aug 20252610 AMAQI
21st Aug 20252211 AMAQI
21st Aug 20253212 PMAQI
12 PM
21st Aug 2025431 PMAQI
21st Aug 2025452 PMAQI
21st Aug 2025423 PMAQI
21st Aug 2025424 PMAQI
21st Aug 2025435 PMAQI
7 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
11 AM - 7 PM

42AQI

9 hours / Day
270 hours / Month
Avg. Lowest Time
9 AM - 10 AM

36AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 7 PM (Avg. 42), while the lowest AQI was between 9 AM to 10 AM (Avg. 36).
Night time
Avg. Highest Time
12 AM - 11 PM

40AQI

9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM

40AQI

9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 40), while the lowest AQI was between 12 AM to 11 PM (Avg. 40).

2025 Days Vs Air Quality

Matsuyama, Ehime, Japan

2025

70%

162

30%

69

0.4%

1

Total number of days with different AQI categories in last 233 days in 2025 (132 days remaining)

Good
162 Days
Moderate
69 Days
Poor
1 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 70%

Health Risk Level:

Low

In 2025, 70% of 233 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, Ehime, 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
34AQI
2nd January 2025
40AQI
3rd January 2025
36AQI
4th January 2025
31AQI
5th January 2025
29AQI
6th January 2025
45AQI
7th January 2025
31AQI
8th January 2025
36AQI
9th January 2025
30AQI
10th January 2025
30AQI
11th January 2025
31AQI
12th January 2025
33AQI
13th January 2025
41AQI
14th January 2025
46AQI
15th January 2025
44AQI
16th January 2025
37AQI
17th January 2025
38AQI
18th January 2025
33AQI
19th January 2025
40AQI
20th January 2025
39AQI
21st January 2025
49AQI
22nd January 2025
59AQI
23rd January 2025
62AQI
24th January 2025
77AQI
25th January 2025
45AQI
26th January 2025
45AQI
27th January 2025
36AQI
28th January 2025
38AQI
29th January 2025
32AQI
30th January 2025
43AQI
31st January 2025
52AQI
1st February 2025
55AQI
2nd February 2025
43AQI
3rd February 2025
50AQI
4th February 2025
37AQI
5th February 2025
41AQI
6th February 2025
33AQI
7th February 2025
37AQI
8th February 2025
33AQI
9th February 2025
31AQI
10th February 2025
31AQI
11th February 2025
34AQI
12th February 2025
41AQI
13th February 2025
33AQI
14th February 2025
39AQI
15th February 2025
30AQI
16th February 2025
41AQI
17th February 2025
44AQI
18th February 2025
36AQI
19th February 2025
40AQI
20th February 2025
33AQI
21st February 2025
36AQI
22nd February 2025
41AQI
23rd February 2025
37AQI
24th February 2025
40AQI
25th February 2025
38AQI
26th February 2025
44AQI
27th February 2025
71AQI
28th February 2025
79AQI
1st March 2025
91AQI
2nd March 2025
75AQI
3rd March 2025
51AQI
4th March 2025
47AQI
5th March 2025
39AQI
6th March 2025
39AQI
7th March 2025
37AQI
8th March 2025
40AQI
9th March 2025
40AQI
10th March 2025
42AQI
11th March 2025
46AQI
12th March 2025
48AQI
13th March 2025
56AQI
14th March 2025
47AQI
15th March 2025
41AQI
16th March 2025
28AQI
17th March 2025
44AQI
18th March 2025
34AQI
19th March 2025
41AQI
20th March 2025
49AQI
21st March 2025
58AQI
22nd March 2025
63AQI
23rd March 2025
68AQI
24th March 2025
60AQI
25th March 2025
70AQI
26th March 2025
71AQI
27th March 2025
65AQI
28th March 2025
59AQI
29th March 2025
48AQI
30th March 2025
42AQI
31st March 2025
40AQI
1st April 2025
43AQI
2nd April 2025
36AQI
3rd April 2025
30AQI
4th April 2025
31AQI
5th April 2025
42AQI
6th April 2025
45AQI
7th April 2025
44AQI
8th April 2025
41AQI
9th April 2025
56AQI
10th April 2025
56AQI
11th April 2025
57AQI
12th April 2025
60AQI
13th April 2025
48AQI
14th April 2025
46AQI
15th April 2025
31AQI
16th April 2025
49AQI
17th April 2025
48AQI
18th April 2025
59AQI
19th April 2025
57AQI
20th April 2025
46AQI
21st April 2025
48AQI
22nd April 2025
50AQI
23rd April 2025
36AQI
24th April 2025
35AQI
25th April 2025
56AQI
26th April 2025
56AQI
27th April 2025
54AQI
28th April 2025
45AQI
29th April 2025
44AQI
30th April 2025
51AQI
1st May 2025
46AQI
2nd May 2025
40AQI
3rd May 2025
46AQI
4th May 2025
39AQI
5th May 2025
43AQI
6th May 2025
31AQI
7th May 2025
34AQI
8th May 2025
40AQI
9th May 2025
36AQI
10th May 2025
36AQI
11th May 2025
37AQI
12th May 2025
50AQI
13th May 2025
54AQI
14th May 2025
58AQI
15th May 2025
58AQI
16th May 2025
60AQI
17th May 2025
48AQI
18th May 2025
53AQI
19th May 2025
60AQI
20th May 2025
62AQI
21st May 2025
61AQI
22nd May 2025
41AQI
23rd May 2025
52AQI
24th May 2025
36AQI
25th May 2025
29AQI
26th May 2025
37AQI
27th May 2025
40AQI
28th May 2025
39AQI
29th May 2025
48AQI
30th May 2025
47AQI
31st May 2025
41AQI
1st June 2025
46AQI
2nd June 2025
53AQI
3rd June 2025
38AQI
4th June 2025
46AQI
5th June 2025
47AQI
6th June 2025
52AQI
7th June 2025
56AQI
8th June 2025
61AQI
9th June 2025
56AQI
10th June 2025
39AQI
11th June 2025
42AQI
12th June 2025
50AQI
13th June 2025
52AQI
14th June 2025
41AQI
15th June 2025
35AQI
16th June 2025
37AQI
17th June 2025
33AQI
18th June 2025
43AQI
19th June 2025
43AQI
20th June 2025
49AQI
21st June 2025
56AQI
22nd June 2025
66AQI
23rd June 2025
57AQI
24th June 2025
54AQI
25th June 2025
53AQI
26th June 2025
50AQI
27th June 2025
52AQI
28th June 2025
56AQI
29th June 2025
55AQI
30th June 2025
56AQI
1st July 2025
57AQI
2nd July 2025
81AQI
3rd July 2025
99AQI
4th July 2025
104AQI
5th July 2025
89AQI
6th July 2025
72AQI
7th July 2025
67AQI
8th July 2025
70AQI
9th July 2025
73AQI
10th July 2025
80AQI
11th July 2025
72AQI
12th July 2025
63AQI
13th July 2025
58AQI
14th July 2025
47AQI
15th July 2025
57AQI
16th July 2025
60AQI
17th July 2025
51AQI
18th July 2025
42AQI
19th July 2025
43AQI
20th July 2025
41AQI
21st July 2025
37AQI
22nd July 2025
36AQI
23rd July 2025
37AQI
24th July 2025
41AQI
25th July 2025
34AQI
26th July 2025
31AQI
27th July 2025
29AQI
28th July 2025
34AQI
29th July 2025
34AQI
30th July 2025
33AQI
31st July 2025
35AQI
1st August 2025
43AQI
2nd August 2025
42AQI
3rd August 2025
46AQI
4th August 2025
54AQI
5th August 2025
48AQI
6th August 2025
44AQI
7th August 2025
48AQI
8th August 2025
49AQI
9th August 2025
41AQI
10th August 2025
46AQI
11th August 2025
34AQI
12th August 2025
33AQI
13th August 2025
39AQI
14th August 2025
43AQI
15th August 2025
43AQI
16th August 2025
40AQI
17th August 2025
40AQI
18th August 2025
43AQI
19th August 2025
49AQI
20th August 2025
47AQI

41AQI

41AQI

51AQI

47AQI

45AQI

49AQI

55AQI

44AQI

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202547AQI

27
4
25
3
19
12
20
10
22
9
15
15
15
15
1
19
1
162
69
1

Highest AQI recorded in

July

55AQI

Lowest AQI recorded in

January

41AQI

202442AQI

28
3
23
6
26
5
16
14
20
11
23
7
29
2
21
10
26
4
29
2
25
5
31
297
69

Highest AQI recorded in

April

54AQI

Lowest AQI recorded in

December

33AQI

202344AQI

25
5
1
24
4
17
14
11
19
20
11
18
12
25
6
29
2
26
4
25
6
24
5
25
6
269
94
1

Highest AQI recorded in

April

54AQI

Lowest AQI recorded in

August

35AQI

202245AQI

27
4
17
5
17
14
17
13
12
19
19
11
17
8
2
1
25
4
26
5
21
9
30
1
230
94

Highest AQI recorded in

May

56AQI

Lowest AQI recorded in

December

37AQI

202144AQI

24
7
19
9
17
14
18
6
15
16
11
19
21
10
26
5
22
8
23
8
21
9
28
3
245
114

Highest AQI recorded in

June

57AQI

Lowest AQI recorded in

April

38AQI

202044AQI

4
9
12
9
8
10
14
16
28
3
14
15
2
17
2
26
5
25
5
25
6
173
80
2

Highest AQI recorded in

August

59AQI

Lowest AQI recorded in

December

37AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
47AQI
Least Polluted Year Recorded
2024(Avg.)
42AQI

Matsuyama's annual 2025 AQI (47) shows an average percentage change of 6.5% (worsened AQI) compared to previous years: 2020 (44), 2021 (44), 2022 (45), 2023 (44), 2024 (42).