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+

July Air Quality Analysis

Matsuyama, Ehime, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
4th Jul 2025
104AQI
Lowest AQI recorded on
2nd Jul 2026
18AQI

Same Day Analysis (31st July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 26 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.

Day & Night AQI Trend: 30th Jul - 31st Jul 2026

Matsuyama, Ehime, Japan

AQI
Day
Night
.

5 AM30th Jul 2026

7 PM

4 AM31st Jul 2026

Day time
Avg. Highest Time
6PM30th Jul

26AQI

Avg. Lowest Time
1PM30th Jul

22AQI

Night time
Avg. Highest Time
8PM30th Jul

27AQI

Avg. Lowest Time
4AM31st Jul

23AQI

In the last 24 hours,

Matsuyama's AQI reached its highest point of 27 at 8 PM during the Night, while the lowest point, 22, was recorded at 1 PM during the Day between 30th Jul and 31st Jul 2026.

Day & Night AQI Trend : Jul 2026

Matsuyama, Ehime, Japan

Jul
02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st
Day
Night
2nd Jul 2026135 AMAQI
2nd Jul 2026106 AMAQI
2nd Jul 202677 AMAQI
2nd Jul 202698 AMAQI
2nd Jul 202699 AMAQI
2nd Jul 2026810 AMAQI
2nd Jul 20261511 AMAQI
2nd Jul 20261512 PMAQI
2nd Jul 2026211 PMAQI
2nd Jul 2026182 PMAQI
2nd Jul 2026153 PMAQI
2nd Jul 2026234 PMAQI
2nd Jul 2026115 PMAQI
2nd Jul 2026206 PMAQI
2nd Jul 2026267 PMAQI
2nd Jul 2026238 PMAQI
2nd Jul 2026279 PMAQI
2nd Jul 20263110 PMAQI
2nd Jul 20263211 PMAQI
3rd Jul 20263312 AMAQI
3rd Jul 2026281 AMAQI
3rd Jul 2026282 AMAQI
3rd Jul 2026273 AMAQI
3rd Jul 2026334 AMAQI

22°C20/25°C

3rd Jul 2026325 AMAQI
3rd Jul 2026226 AMAQI
3rd Jul 2026187 AMAQI
3rd Jul 2026358 AMAQI
3rd Jul 2026399 AMAQI
3rd Jul 20263910 AMAQI
3rd Jul 20264311 AMAQI
3rd Jul 20262312 PMAQI
3rd Jul 2026241 PMAQI
3rd Jul 2026272 PMAQI
3rd Jul 2026263 PMAQI
3rd Jul 2026254 PMAQI
3rd Jul 2026255 PMAQI
3rd Jul 2026256 PMAQI
3rd Jul 2026237 PMAQI
3rd Jul 2026228 PMAQI
3rd Jul 2026259 PMAQI
3rd Jul 20262510 PMAQI
3rd Jul 20262711 PMAQI
4th Jul 20262712 AMAQI
4th Jul 2026281 AMAQI
4th Jul 2026292 AMAQI
4th Jul 2026283 AMAQI
4th Jul 2026254 AMAQI

23°C19/26°C

4th Jul 2026255 AMAQI
4th Jul 2026256 AMAQI
4th Jul 2026257 AMAQI
4th Jul 2026258 AMAQI
4th Jul 2026249 AMAQI
4th Jul 20262410 AMAQI
4th Jul 20262211 AMAQI
4th Jul 20262312 PMAQI
4th Jul 2026231 PMAQI
4th Jul 2026232 PMAQI
4th Jul 2026263 PMAQI
4th Jul 2026254 PMAQI
4th Jul 2026245 PMAQI
4th Jul 2026226 PMAQI
4th Jul 2026227 PMAQI
4th Jul 2026248 PMAQI
4th Jul 2026249 PMAQI
4th Jul 20262410 PMAQI
4th Jul 20262511 PMAQI
5th Jul 20262312 AMAQI
5th Jul 2026261 AMAQI
5th Jul 2026232 AMAQI
5th Jul 2026243 AMAQI
5th Jul 2026244 AMAQI

22°C20/23°C

5th Jul 2026245 AMAQI
5th Jul 2026246 AMAQI
5th Jul 2026247 AMAQI
5th Jul 2026218 AMAQI
5th Jul 2026189 AMAQI
5th Jul 20262010 AMAQI
5th Jul 20261911 AMAQI
5th Jul 20262012 PMAQI
5th Jul 2026211 PMAQI
5th Jul 2026222 PMAQI
5th Jul 2026203 PMAQI
5th Jul 2026174 PMAQI
5th Jul 2026165 PMAQI
5th Jul 2026186 PMAQI
5th Jul 2026147 PMAQI
5th Jul 2026158 PMAQI
5th Jul 2026129 PMAQI
5th Jul 20261310 PMAQI
5th Jul 20261611 PMAQI
6th Jul 20261412 AMAQI
6th Jul 2026241 AMAQI
6th Jul 2026252 AMAQI
6th Jul 2026193 AMAQI
6th Jul 2026204 AMAQI

22°C21/25°C

6th Jul 2026145 AMAQI
6th Jul 2026196 AMAQI
6th Jul 2026187 AMAQI
6th Jul 2026238 AMAQI
6th Jul 2026209 AMAQI
6th Jul 20262510 AMAQI
6th Jul 20263511 AMAQI
6th Jul 20261912 PMAQI
6th Jul 2026191 PMAQI
6th Jul 2026192 PMAQI
6th Jul 2026163 PMAQI
6th Jul 2026224 PMAQI
6th Jul 2026195 PMAQI
6th Jul 2026196 PMAQI
6th Jul 2026197 PMAQI
6th Jul 2026218 PMAQI
6th Jul 2026119 PMAQI
6th Jul 2026910 PMAQI
6th Jul 20261911 PMAQI
7th Jul 20262112 AMAQI
7th Jul 2026281 AMAQI
7th Jul 2026242 AMAQI
7th Jul 2026273 AMAQI
7th Jul 2026204 AMAQI

23°C21/26°C

7th Jul 2026265 AMAQI
7th Jul 2026216 AMAQI
7th Jul 2026247 AMAQI
7th Jul 2026268 AMAQI
7th Jul 2026229 AMAQI
7th Jul 20262410 AMAQI
7th Jul 20262311 AMAQI
7th Jul 20262312 PMAQI
7th Jul 2026201 PMAQI
7th Jul 2026222 PMAQI
7th Jul 2026273 PMAQI
7th Jul 2026254 PMAQI
7th Jul 2026275 PMAQI
7th Jul 2026266 PMAQI
7th Jul 2026267 PMAQI
7th Jul 2026268 PMAQI
7th Jul 2026269 PMAQI
7th Jul 20262610 PMAQI
7th Jul 20262611 PMAQI
8th Jul 20263012 AMAQI
8th Jul 2026301 AMAQI
8th Jul 2026282 AMAQI
8th Jul 2026313 AMAQI
8th Jul 2026294 AMAQI

24°C21/27°C

8th Jul 2026285 AMAQI
8th Jul 2026286 AMAQI
8th Jul 2026437 AMAQI
8th Jul 2026368 AMAQI
8th Jul 2026269 AMAQI
8th Jul 20262410 AMAQI
8th Jul 20262911 AMAQI
8th Jul 20263512 PMAQI
8th Jul 2026351 PMAQI
8th Jul 2026322 PMAQI
8th Jul 2026313 PMAQI
8th Jul 2026264 PMAQI
8th Jul 2026265 PMAQI
8th Jul 2026246 PMAQI
8th Jul 2026207 PMAQI
8th Jul 2026198 PMAQI
8th Jul 2026219 PMAQI
8th Jul 20262210 PMAQI
8th Jul 20262211 PMAQI
9th Jul 20262712 AMAQI
9th Jul 2026271 AMAQI
9th Jul 2026292 AMAQI
9th Jul 2026273 AMAQI
9th Jul 2026264 AMAQI

24°C22/28°C

9th Jul 2026265 AMAQI
9th Jul 2026216 AMAQI
9th Jul 2026267 AMAQI
9th Jul 2026218 AMAQI
9th Jul 2026229 AMAQI
9th Jul 20261710 AMAQI
9th Jul 20262111 AMAQI
9th Jul 20261812 PMAQI
9th Jul 2026191 PMAQI
9th Jul 2026182 PMAQI
9th Jul 2026183 PMAQI
9th Jul 2026234 PMAQI
9th Jul 2026215 PMAQI
9th Jul 2026286 PMAQI
9th Jul 2026297 PMAQI
9th Jul 2026208 PMAQI
9th Jul 2026239 PMAQI
9th Jul 20262110 PMAQI
9th Jul 20262911 PMAQI
10th Jul 20262712 AMAQI
10th Jul 2026271 AMAQI
10th Jul 2026252 AMAQI
10th Jul 2026263 AMAQI
10th Jul 2026244 AMAQI

24°C21/26°C

10th Jul 2026245 AMAQI
10th Jul 2026286 AMAQI
10th Jul 2026277 AMAQI
10th Jul 2026278 AMAQI
10th Jul 2026259 AMAQI
10th Jul 20262910 AMAQI
10th Jul 20262711 AMAQI
10th Jul 20262612 PMAQI
10th Jul 2026241 PMAQI
10th Jul 2026232 PMAQI
10th Jul 2026213 PMAQI
10th Jul 2026234 PMAQI
10th Jul 2026275 PMAQI
10th Jul 2026266 PMAQI
10th Jul 2026277 PMAQI
10th Jul 2026298 PMAQI
10th Jul 2026299 PMAQI
10th Jul 20263110 PMAQI
10th Jul 20263111 PMAQI
11th Jul 20263012 AMAQI
11th Jul 2026321 AMAQI
11th Jul 2026312 AMAQI
11th Jul 2026323 AMAQI
11th Jul 2026284 AMAQI

24°C20/27°C

11th Jul 2026305 AMAQI
11th Jul 2026316 AMAQI
11th Jul 2026297 AMAQI
11th Jul 2026298 AMAQI
11th Jul 2026299 AMAQI
11th Jul 20263110 AMAQI
11th Jul 20262611 AMAQI
11th Jul 20262512 PMAQI
11th Jul 2026241 PMAQI
11th Jul 2026242 PMAQI
11th Jul 2026203 PMAQI
11th Jul 2026254 PMAQI
11th Jul 2026295 PMAQI
11th Jul 2026296 PMAQI
11th Jul 2026297 PMAQI
11th Jul 2026258 PMAQI
11th Jul 2026279 PMAQI
11th Jul 20262710 PMAQI
11th Jul 20262911 PMAQI
12th Jul 20262512 AMAQI
12th Jul 2026291 AMAQI
12th Jul 2026272 AMAQI
12th Jul 2026263 AMAQI
12th Jul 2026264 AMAQI

25°C21/28°C

12th Jul 2026305 AMAQI
12th Jul 2026276 AMAQI
12th Jul 2026277 AMAQI
12th Jul 2026258 AMAQI
12th Jul 2026289 AMAQI
12th Jul 20262910 AMAQI
12th Jul 20262411 AMAQI
12th Jul 20262412 PMAQI
12th Jul 2026211 PMAQI
12th Jul 2026222 PMAQI
12th Jul 2026233 PMAQI
12th Jul 2026244 PMAQI
12th Jul 2026275 PMAQI
12th Jul 2026286 PMAQI
12th Jul 2026287 PMAQI
12th Jul 2026298 PMAQI
12th Jul 2026309 PMAQI
12th Jul 20263010 PMAQI
12th Jul 20262911 PMAQI
13th Jul 20263012 AMAQI
13th Jul 2026281 AMAQI
13th Jul 2026272 AMAQI
13th Jul 2026273 AMAQI
13th Jul 2026254 AMAQI

26°C22/30°C

13th Jul 2026265 AMAQI
13th Jul 2026266 AMAQI
13th Jul 2026267 AMAQI
13th Jul 2026288 AMAQI
13th Jul 2026269 AMAQI
13th Jul 20262810 AMAQI
13th Jul 20262711 AMAQI
13th Jul 20262712 PMAQI
13th Jul 2026231 PMAQI
13th Jul 2026232 PMAQI
13th Jul 2026203 PMAQI
13th Jul 2026244 PMAQI
13th Jul 2026275 PMAQI
13th Jul 2026306 PMAQI
13th Jul 2026307 PMAQI
13th Jul 2026308 PMAQI
13th Jul 2026329 PMAQI
13th Jul 20263310 PMAQI
13th Jul 20263311 PMAQI
14th Jul 20263012 AMAQI
14th Jul 2026331 AMAQI
14th Jul 2026332 AMAQI
14th Jul 2026323 AMAQI
14th Jul 2026264 AMAQI

26°C23/30°C

14th Jul 2026315 AMAQI
14th Jul 2026276 AMAQI
14th Jul 2026287 AMAQI
14th Jul 2026268 AMAQI
14th Jul 2026299 AMAQI
14th Jul 20263110 AMAQI
14th Jul 20262711 AMAQI
14th Jul 20262312 PMAQI
14th Jul 2026191 PMAQI
14th Jul 2026202 PMAQI
14th Jul 2026203 PMAQI
14th Jul 2026224 PMAQI
14th Jul 2026285 PMAQI
14th Jul 2026296 PMAQI
14th Jul 2026297 PMAQI
14th Jul 2026318 PMAQI
14th Jul 2026289 PMAQI
14th Jul 20262910 PMAQI
14th Jul 20263111 PMAQI
15th Jul 20263312 AMAQI
15th Jul 2026321 AMAQI
15th Jul 2026312 AMAQI
15th Jul 2026303 AMAQI
15th Jul 2026274 AMAQI

27°C24/30°C

15th Jul 2026275 AMAQI
15th Jul 2026236 AMAQI
15th Jul 2026287 AMAQI
15th Jul 2026288 AMAQI
15th Jul 2026269 AMAQI
15th Jul 20262810 AMAQI
15th Jul 20262511 AMAQI
15th Jul 20262512 PMAQI
15th Jul 2026201 PMAQI
15th Jul 2026192 PMAQI
15th Jul 2026183 PMAQI
15th Jul 2026214 PMAQI
15th Jul 2026215 PMAQI
15th Jul 2026236 PMAQI
15th Jul 2026227 PMAQI
15th Jul 2026258 PMAQI
15th Jul 2026229 PMAQI
15th Jul 20262710 PMAQI
15th Jul 20262211 PMAQI
16th Jul 20262312 AMAQI
16th Jul 2026241 AMAQI
16th Jul 2026242 AMAQI
16th Jul 2026253 AMAQI
16th Jul 2026254 AMAQI

27°C23/30°C

16th Jul 2026255 AMAQI
16th Jul 2026256 AMAQI
16th Jul 2026257 AMAQI
16th Jul 2026288 AMAQI
16th Jul 2026259 AMAQI
16th Jul 20262610 AMAQI
16th Jul 20262411 AMAQI
16th Jul 20262512 PMAQI
16th Jul 2026241 PMAQI
16th Jul 2026222 PMAQI
16th Jul 2026233 PMAQI
16th Jul 2026234 PMAQI
16th Jul 2026275 PMAQI
16th Jul 2026236 PMAQI
16th Jul 2026247 PMAQI
16th Jul 2026258 PMAQI
16th Jul 2026269 PMAQI
16th Jul 20262410 PMAQI
16th Jul 20262911 PMAQI
17th Jul 20262612 AMAQI
17th Jul 2026321 AMAQI
17th Jul 2026272 AMAQI
17th Jul 2026243 AMAQI
17th Jul 2026244 AMAQI

27°C25/31°C

17th Jul 2026255 AMAQI
17th Jul 2026246 AMAQI
17th Jul 2026267 AMAQI
17th Jul 2026238 AMAQI
17th Jul 2026259 AMAQI
17th Jul 20262510 AMAQI
17th Jul 20262311 AMAQI
17th Jul 20262512 PMAQI
17th Jul 2026251 PMAQI
17th Jul 2026252 PMAQI
17th Jul 2026233 PMAQI
17th Jul 2026464 PMAQI
17th Jul 2026475 PMAQI
17th Jul 2026486 PMAQI
17th Jul 2026507 PMAQI
17th Jul 2026508 PMAQI
17th Jul 2026509 PMAQI
17th Jul 20265010 PMAQI
17th Jul 20265011 PMAQI
18th Jul 20265012 AMAQI
18th Jul 2026531 AMAQI
18th Jul 2026512 AMAQI
18th Jul 2026513 AMAQI
18th Jul 2026514 AMAQI

27°C23/30°C

18th Jul 2026515 AMAQI
18th Jul 2026506 AMAQI
18th Jul 2026517 AMAQI
18th Jul 2026508 AMAQI
18th Jul 2026509 AMAQI
18th Jul 20265210 AMAQI
18th Jul 20265211 AMAQI
18th Jul 20265312 PMAQI
18th Jul 2026561 PMAQI
18th Jul 2026572 PMAQI
18th Jul 2026593 PMAQI
18th Jul 2026604 PMAQI
18th Jul 2026605 PMAQI
18th Jul 2026616 PMAQI
18th Jul 2026637 PMAQI
18th Jul 2026628 PMAQI
18th Jul 2026589 PMAQI
18th Jul 20265710 PMAQI
18th Jul 20265511 PMAQI
19th Jul 20265912 AMAQI
19th Jul 2026611 AMAQI
19th Jul 2026602 AMAQI
19th Jul 2026623 AMAQI
19th Jul 2026604 AMAQI

27°C24/30°C

19th Jul 2026605 AMAQI
19th Jul 2026596 AMAQI
19th Jul 2026597 AMAQI
19th Jul 2026588 AMAQI
19th Jul 2026579 AMAQI
19th Jul 20265710 AMAQI
19th Jul 20265711 AMAQI
19th Jul 20265712 PMAQI
19th Jul 2026571 PMAQI
19th Jul 2026582 PMAQI
19th Jul 2026593 PMAQI
19th Jul 2026604 PMAQI
19th Jul 2026585 PMAQI
19th Jul 2026596 PMAQI
19th Jul 2026587 PMAQI
19th Jul 2026588 PMAQI
19th Jul 2026589 PMAQI
19th Jul 20265810 PMAQI
19th Jul 20265911 PMAQI
20th Jul 20265812 AMAQI
20th Jul 2026581 AMAQI
20th Jul 2026572 AMAQI
20th Jul 2026573 AMAQI
20th Jul 2026574 AMAQI

27°C23/30°C

20th Jul 2026555 AMAQI
20th Jul 2026556 AMAQI
20th Jul 2026547 AMAQI
20th Jul 2026528 AMAQI
20th Jul 2026539 AMAQI
20th Jul 20265810 AMAQI
20th Jul 20265611 AMAQI
20th Jul 20265612 PMAQI
20th Jul 2026571 PMAQI
20th Jul 2026592 PMAQI
20th Jul 2026573 PMAQI
20th Jul 2026584 PMAQI
20th Jul 2026575 PMAQI
20th Jul 2026576 PMAQI
20th Jul 2026567 PMAQI
20th Jul 2026578 PMAQI
20th Jul 2026579 PMAQI
20th Jul 20265610 PMAQI
20th Jul 20265611 PMAQI
21st Jul 20265412 AMAQI
21st Jul 2026541 AMAQI
21st Jul 2026532 AMAQI
21st Jul 2026533 AMAQI
21st Jul 2026524 AMAQI

27°C24/30°C

21st Jul 2026515 AMAQI
21st Jul 2026536 AMAQI
21st Jul 2026537 AMAQI
21st Jul 2026538 AMAQI
21st Jul 2026539 AMAQI
21st Jul 20265210 AMAQI
21st Jul 20265711 AMAQI
21st Jul 2026571 PMAQI
21st Jul 2026582 PMAQI
21st Jul 2026653 PMAQI
21st Jul 2026654 PMAQI
21st Jul 2026595 PMAQI
21st Jul 2026596 PMAQI
21st Jul 2026947 PMAQI
21st Jul 2026568 PMAQI
21st Jul 2026569 PMAQI
21st Jul 20265610 PMAQI
21st Jul 20265511 PMAQI
22nd Jul 20265512 AMAQI
22nd Jul 2026551 AMAQI
22nd Jul 2026572 AMAQI
22nd Jul 2026563 AMAQI
22nd Jul 2026564 AMAQI

27°C24/30°C

22nd Jul 2026565 AMAQI
22nd Jul 2026586 AMAQI
22nd Jul 2026577 AMAQI
22nd Jul 2026588 AMAQI
22nd Jul 2026579 AMAQI
22nd Jul 20265810 AMAQI
22nd Jul 20265611 AMAQI
22nd Jul 20266412 PMAQI
22nd Jul 2026811 PMAQI
22nd Jul 2026812 PMAQI
22nd Jul 2026753 PMAQI
22nd Jul 2026604 PMAQI
22nd Jul 2026535 PMAQI
22nd Jul 2026446 PMAQI
22nd Jul 2026417 PMAQI
22nd Jul 2026468 PMAQI
22nd Jul 2026429 PMAQI
22nd Jul 20264310 PMAQI
22nd Jul 20264211 PMAQI
23rd Jul 20264512 AMAQI
23rd Jul 2026441 AMAQI
23rd Jul 2026512 AMAQI
23rd Jul 2026563 AMAQI
23rd Jul 2026544 AMAQI

27°C24/31°C

23rd Jul 2026485 AMAQI
23rd Jul 2026446 AMAQI
23rd Jul 2026417 AMAQI
23rd Jul 2026378 AMAQI
23rd Jul 2026349 AMAQI
23rd Jul 20263910 AMAQI
23rd Jul 20263911 AMAQI
23rd Jul 20264312 PMAQI
23rd Jul 2026481 PMAQI
23rd Jul 2026502 PMAQI
23rd Jul 2026523 PMAQI
23rd Jul 2026544 PMAQI
23rd Jul 2026495 PMAQI
23rd Jul 2026476 PMAQI
23rd Jul 2026527 PMAQI
23rd Jul 2026588 PMAQI
23rd Jul 2026579 PMAQI
23rd Jul 20265010 PMAQI
23rd Jul 20264911 PMAQI
24th Jul 20264712 AMAQI
24th Jul 2026521 AMAQI
24th Jul 2026582 AMAQI
24th Jul 2026553 AMAQI
24th Jul 2026524 AMAQI

28°C24/31°C

24th Jul 2026515 AMAQI
24th Jul 2026426 AMAQI
24th Jul 2026407 AMAQI
24th Jul 2026418 AMAQI
24th Jul 2026449 AMAQI
24th Jul 20264710 AMAQI
24th Jul 20265211 AMAQI
24th Jul 20264912 PMAQI
24th Jul 2026531 PMAQI
24th Jul 2026552 PMAQI
24th Jul 2026513 PMAQI
24th Jul 2026544 PMAQI
24th Jul 2026555 PMAQI
24th Jul 2026536 PMAQI
24th Jul 2026557 PMAQI
24th Jul 2026508 PMAQI
24th Jul 2026549 PMAQI
24th Jul 20265010 PMAQI
24th Jul 20264611 PMAQI
25th Jul 20264212 AMAQI
25th Jul 2026401 AMAQI
25th Jul 2026402 AMAQI
25th Jul 2026413 AMAQI
25th Jul 2026404 AMAQI

28°C24/31°C

25th Jul 2026395 AMAQI
25th Jul 2026406 AMAQI
25th Jul 2026387 AMAQI
25th Jul 2026428 AMAQI
25th Jul 2026409 AMAQI
25th Jul 20264410 AMAQI
25th Jul 20264911 AMAQI
25th Jul 20265112 PMAQI
25th Jul 2026511 PMAQI
25th Jul 2026532 PMAQI
25th Jul 2026563 PMAQI
25th Jul 2026584 PMAQI
25th Jul 2026575 PMAQI
25th Jul 2026566 PMAQI
25th Jul 2026577 PMAQI
25th Jul 2026468 PMAQI
25th Jul 2026469 PMAQI
25th Jul 20265910 PMAQI
25th Jul 20266011 PMAQI
26th Jul 20265712 AMAQI
26th Jul 2026561 AMAQI
26th Jul 2026452 AMAQI
26th Jul 2026463 AMAQI
26th Jul 2026454 AMAQI

27°C24/31°C

26th Jul 2026515 AMAQI
26th Jul 2026536 AMAQI
26th Jul 2026507 AMAQI
26th Jul 2026518 AMAQI
26th Jul 2026489 AMAQI
26th Jul 20264310 AMAQI
26th Jul 20263511 AMAQI
26th Jul 20263412 PMAQI
26th Jul 2026331 PMAQI
26th Jul 2026312 PMAQI
26th Jul 2026303 PMAQI
26th Jul 2026254 PMAQI
26th Jul 2026315 PMAQI
26th Jul 2026286 PMAQI
26th Jul 2026317 PMAQI
26th Jul 2026318 PMAQI
26th Jul 2026319 PMAQI
26th Jul 20262710 PMAQI
26th Jul 20262711 PMAQI
27th Jul 20262712 AMAQI
27th Jul 2026281 AMAQI
27th Jul 2026272 AMAQI
27th Jul 2026273 AMAQI
27th Jul 2026264 AMAQI

27°C24/32°C

27th Jul 2026295 AMAQI
27th Jul 2026286 AMAQI
27th Jul 2026277 AMAQI
27th Jul 2026278 AMAQI
27th Jul 2026299 AMAQI
27th Jul 20263110 AMAQI
27th Jul 20264611 AMAQI
27th Jul 20265512 PMAQI
27th Jul 2026501 PMAQI
27th Jul 2026442 PMAQI
27th Jul 2026473 PMAQI
27th Jul 2026534 PMAQI
27th Jul 2026515 PMAQI
27th Jul 2026516 PMAQI
27th Jul 2026547 PMAQI
27th Jul 2026578 PMAQI
27th Jul 2026539 PMAQI
27th Jul 20264810 PMAQI
27th Jul 20264411 PMAQI
28th Jul 20265212 AMAQI
28th Jul 2026501 AMAQI
28th Jul 2026502 AMAQI
28th Jul 2026503 AMAQI
28th Jul 2026494 AMAQI

28°C25/32°C

28th Jul 2026495 AMAQI
28th Jul 2026506 AMAQI
28th Jul 2026497 AMAQI
28th Jul 2026488 AMAQI
28th Jul 2026479 AMAQI
28th Jul 20264610 AMAQI
28th Jul 20264111 AMAQI
28th Jul 20264012 PMAQI
28th Jul 2026371 PMAQI
28th Jul 2026362 PMAQI
28th Jul 2026323 PMAQI
28th Jul 2026324 PMAQI
28th Jul 2026305 PMAQI
28th Jul 2026296 PMAQI
28th Jul 2026307 PMAQI
28th Jul 2026258 PMAQI
28th Jul 2026249 PMAQI
28th Jul 20262410 PMAQI
28th Jul 20262211 PMAQI
29th Jul 20262212 AMAQI
29th Jul 2026231 AMAQI
29th Jul 2026222 AMAQI
29th Jul 2026233 AMAQI
29th Jul 2026244 AMAQI

28°C24/32°C

29th Jul 2026235 AMAQI
29th Jul 2026226 AMAQI
29th Jul 2026227 AMAQI
29th Jul 2026238 AMAQI
29th Jul 2026229 AMAQI
29th Jul 20262310 AMAQI
29th Jul 20262211 AMAQI
29th Jul 20262412 PMAQI
29th Jul 2026211 PMAQI
29th Jul 2026232 PMAQI
29th Jul 2026223 PMAQI
29th Jul 2026234 PMAQI
29th Jul 2026255 PMAQI
29th Jul 2026236 PMAQI
29th Jul 2026237 PMAQI
29th Jul 2026238 PMAQI
29th Jul 2026249 PMAQI
29th Jul 20262410 PMAQI
29th Jul 20262611 PMAQI
30th Jul 20262512 AMAQI
30th Jul 2026271 AMAQI
30th Jul 2026262 AMAQI
30th Jul 2026243 AMAQI
30th Jul 2026244 AMAQI

25°C22/28°C

30th Jul 2026245 AMAQI
30th Jul 2026236 AMAQI
30th Jul 2026237 AMAQI
30th Jul 2026238 AMAQI
30th Jul 2026239 AMAQI
30th Jul 20262310 AMAQI
30th Jul 20262311 AMAQI
30th Jul 20262312 PMAQI
30th Jul 2026221 PMAQI
30th Jul 2026232 PMAQI
30th Jul 2026243 PMAQI
30th Jul 2026234 PMAQI
30th Jul 2026255 PMAQI
30th Jul 2026266 PMAQI
30th Jul 2026267 PMAQI
30th Jul 2026278 PMAQI
30th Jul 2026269 PMAQI
30th Jul 20262510 PMAQI
30th Jul 20262411 PMAQI
31st Jul 20262412 AMAQI
31st Jul 2026241 AMAQI
31st Jul 2026232 AMAQI
31st Jul 2026233 AMAQI
31st Jul 2026234 AMAQI

28°C25/32°C

31st Jul 2026235 AMAQI
5 AM
31st Jul 2026236 AMAQI
31st Jul 2026237 AMAQI
31st Jul 2026238 AMAQI
31st Jul 2026239 AMAQI
31st Jul 20262210 AMAQI
31st Jul 20262311 AMAQI
31st Jul 20262512 PMAQI
12 PM
31st Jul 2026251 PMAQI
31st Jul 2026272 PMAQI
31st Jul 2026273 PMAQI
31st Jul 2026284 PMAQI
31st Jul 2026295 PMAQI
31st Jul 2026326 PMAQI
31st Jul 2026357 PMAQI
7 PM
31st Jul 2026318 PMAQI
31st Jul 2026319 PMAQI
31st Jul 20263210 PMAQI
31st Jul 20263211 PMAQI
12 AM
4 AM

27°C23/32°C

Day time
Avg. Highest Time
4 PM - 7 PM

35AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
9 AM

32AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 PM to 7 PM (Avg. 35), while the lowest AQI was between 9 AM to 9 AM (Avg. 32).
Night time
Avg. Highest Time
12 AM - 11 PM

35AQI

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

35AQI

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. 35), while the lowest AQI was between 12 AM to 11 PM (Avg. 35).

2026 Days Vs Air Quality

Matsuyama, Ehime, Japan

2026

85%

181

15%

31

Total number of days with different AQI categories in last 212 days in 2026 (153 days remaining)

Good
181 Days
Moderate
31 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 85%

Health Risk Level:

Low

In 2026, 85% of 212 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 2026

AQI (US)
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.

-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
27AQI (US)
2nd January 2026
25AQI (US)
3rd January 2026
29AQI (US)
4th January 2026
39AQI (US)
5th January 2026
48AQI (US)
6th January 2026
28AQI (US)
7th January 2026
30AQI (US)
8th January 2026
40AQI (US)
9th January 2026
23AQI (US)
10th January 2026
33AQI (US)
11th January 2026
31AQI (US)
12th January 2026
23AQI (US)
13th January 2026
33AQI (US)
14th January 2026
26AQI (US)
15th January 2026
40AQI (US)
16th January 2026
56AQI (US)
17th January 2026
48AQI (US)
18th January 2026
53AQI (US)
19th January 2026
57AQI (US)
20th January 2026
33AQI (US)
21st January 2026
15AQI (US)
22nd January 2026
24AQI (US)
23rd January 2026
35AQI (US)
24th January 2026
43AQI (US)
25th January 2026
40AQI (US)
26th January 2026
21AQI (US)
27th January 2026
41AQI (US)
28th January 2026
28AQI (US)
29th January 2026
30AQI (US)
30th January 2026
21AQI (US)
31st January 2026
16AQI (US)
1st February 2026
41AQI (US)
2nd February 2026
46AQI (US)
3rd February 2026
32AQI (US)
4th February 2026
33AQI (US)
5th February 2026
38AQI (US)
6th February 2026
43AQI (US)
7th February 2026
28AQI (US)
8th February 2026
21AQI (US)
9th February 2026
37AQI (US)
10th February 2026
41AQI (US)
11th February 2026
40AQI (US)
12th February 2026
35AQI (US)
13th February 2026
34AQI (US)
14th February 2026
54AQI (US)
15th February 2026
50AQI (US)
16th February 2026
50AQI (US)
17th February 2026
22AQI (US)
18th February 2026
21AQI (US)
19th February 2026
44AQI (US)
20th February 2026
33AQI (US)
21st February 2026
63AQI (US)
22nd February 2026
36AQI (US)
23rd February 2026
53AQI (US)
24th February 2026
33AQI (US)
25th February 2026
19AQI (US)
26th February 2026
23AQI (US)
27th February 2026
50AQI (US)
28th February 2026
32AQI (US)
1st March 2026
35AQI (US)
2nd March 2026
62AQI (US)
3rd March 2026
40AQI (US)
4th March 2026
26AQI (US)
5th March 2026
49AQI (US)
6th March 2026
51AQI (US)
7th March 2026
50AQI (US)
8th March 2026
27AQI (US)
9th March 2026
36AQI (US)
10th March 2026
39AQI (US)
11th March 2026
52AQI (US)
12th March 2026
59AQI (US)
13th March 2026
39AQI (US)
14th March 2026
44AQI (US)
15th March 2026
60AQI (US)
16th March 2026
53AQI (US)
17th March 2026
45AQI (US)
18th March 2026
57AQI (US)
19th March 2026
36AQI (US)
20th March 2026
50AQI (US)
21st March 2026
40AQI (US)
22nd March 2026
46AQI (US)
23rd March 2026
30AQI (US)
24th March 2026
47AQI (US)
25th March 2026
35AQI (US)
26th March 2026
21AQI (US)
27th March 2026
34AQI (US)
28th March 2026
55AQI (US)
29th March 2026
75AQI (US)
30th March 2026
66AQI (US)
31st March 2026
21AQI (US)
1st April 2026
13AQI (US)
2nd April 2026
48AQI (US)
3rd April 2026
49AQI (US)
4th April 2026
41AQI (US)
5th April 2026
37AQI (US)
6th April 2026
48AQI (US)
7th April 2026
30AQI (US)
8th April 2026
26AQI (US)
9th April 2026
37AQI (US)
10th April 2026
29AQI (US)
11th April 2026
31AQI (US)
12th April 2026
32AQI (US)
13th April 2026
36AQI (US)
14th April 2026
48AQI (US)
15th April 2026
48AQI (US)
16th April 2026
19AQI (US)
17th April 2026
32AQI (US)
18th April 2026
33AQI (US)
19th April 2026
34AQI (US)
20th April 2026
38AQI (US)
21st April 2026
39AQI (US)
22nd April 2026
45AQI (US)
23rd April 2026
30AQI (US)
24th April 2026
20AQI (US)
25th April 2026
45AQI (US)
26th April 2026
49AQI (US)
27th April 2026
52AQI (US)
28th April 2026
50AQI (US)
29th April 2026
42AQI (US)
30th April 2026
33AQI (US)
1st May 2026
50AQI (US)
2nd May 2026
49AQI (US)
3rd May 2026
40AQI (US)
4th May 2026
30AQI (US)
5th May 2026
26AQI (US)
6th May 2026
27AQI (US)
7th May 2026
29AQI (US)
8th May 2026
27AQI (US)
9th May 2026
27AQI (US)
10th May 2026
29AQI (US)
11th May 2026
30AQI (US)
12th May 2026
28AQI (US)
13th May 2026
37AQI (US)
14th May 2026
31AQI (US)
15th May 2026
34AQI (US)
16th May 2026
77AQI (US)
17th May 2026
63AQI (US)
18th May 2026
53AQI (US)
19th May 2026
46AQI (US)
20th May 2026
61AQI (US)
21st May 2026
65AQI (US)
22nd May 2026
69AQI (US)
23rd May 2026
61AQI (US)
24th May 2026
63AQI (US)
25th May 2026
54AQI (US)
26th May 2026
42AQI (US)
27th May 2026
25AQI (US)
28th May 2026
26AQI (US)
29th May 2026
25AQI (US)
30th May 2026
25AQI (US)
31st May 2026
27AQI (US)
1st June 2026
29AQI (US)
2nd June 2026
25AQI (US)
3rd June 2026
27AQI (US)
4th June 2026
25AQI (US)
5th June 2026
22AQI (US)
6th June 2026
24AQI (US)
7th June 2026
22AQI (US)
8th June 2026
20AQI (US)
9th June 2026
24AQI (US)
10th June 2026
23AQI (US)
11th June 2026
26AQI (US)
12th June 2026
25AQI (US)
13th June 2026
26AQI (US)
14th June 2026
24AQI (US)
15th June 2026
24AQI (US)
16th June 2026
27AQI (US)
17th June 2026
25AQI (US)
18th June 2026
27AQI (US)
19th June 2026
35AQI (US)
20th June 2026
37AQI (US)
21st June 2026
21AQI (US)
22nd June 2026
19AQI (US)
23rd June 2026
22AQI (US)
24th June 2026
21AQI (US)
25th June 2026
26AQI (US)
26th June 2026
26AQI (US)
27th June 2026
27AQI (US)
28th June 2026
29AQI (US)
29th June 2026
25AQI (US)
30th June 2026
31AQI (US)
1st July 2026
35AQI (US)
2nd July 2026
18AQI (US)
3rd July 2026
28AQI (US)
4th July 2026
25AQI (US)
5th July 2026
20AQI (US)
6th July 2026
19AQI (US)
7th July 2026
24AQI (US)
8th July 2026
28AQI (US)
9th July 2026
23AQI (US)
10th July 2026
26AQI (US)
11th July 2026
28AQI (US)
12th July 2026
27AQI (US)
13th July 2026
27AQI (US)
14th July 2026
28AQI (US)
15th July 2026
25AQI (US)
16th July 2026
25AQI (US)
17th July 2026
33AQI (US)
18th July 2026
55AQI (US)
19th July 2026
59AQI (US)
20th July 2026
56AQI (US)
21st July 2026
57AQI (US)
22nd July 2026
56AQI (US)
23rd July 2026
47AQI (US)
24th July 2026
50AQI (US)
25th July 2026
48AQI (US)
26th July 2026
39AQI (US)
27th July 2026
40AQI (US)
28th July 2026
39AQI (US)
29th July 2026
23AQI (US)
30th July 2026
24AQI (US)
31st July 2026
26AQI (US)
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

33AQI (US)

38AQI (US)

45AQI (US)

37AQI (US)

41AQI (US)

25AQI (US)

34AQI (US)

No. of days

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

202636AQI (US)

28
3
25
3
21
10
29
1
22
9
30
26
5
181
31

Highest AQI (US) recorded in

March

45AQI (US)

Lowest AQI (US) recorded in

June

25AQI (US)

202546AQI (US)

27
4
25
3
19
12
20
10
22
9
15
15
15
15
1
30
1
30
12
19
16
14
24
7
255
109
1

Highest AQI (US) recorded in

July

55AQI (US)

Lowest AQI (US) recorded in

September

32AQI (US)

202442AQI (US)

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 (US) recorded in

April

54AQI (US)

Lowest AQI (US) recorded in

December

33AQI (US)

202344AQI (US)

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 (US) recorded in

April

54AQI (US)

Lowest AQI (US) recorded in

August

35AQI (US)

202245AQI (US)

26
4
17
5
17
14
17
13
12
19
19
11
17
8
2
1
25
4
26
5
21
9
30
1
229
94

Highest AQI (US) recorded in

May

56AQI (US)

Lowest AQI (US) recorded in

December

37AQI (US)

202144AQI (US)

23
7
19
9
17
14
18
6
16
15
12
18
21
10
26
5
22
8
23
8
21
9
28
3
246
112

Highest AQI (US) recorded in

June

57AQI (US)

Lowest AQI (US) recorded in

August

38AQI (US)

202044AQI (US)

4
9
12
9
8
10
14
16
28
3
14
15
2
17
2
27
4
25
5
25
6
174
79
2

Highest AQI (US) recorded in

August

59AQI (US)

Lowest AQI (US) recorded in

December

37AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
46AQI (US)
Least Polluted Year Recorded
2026(Avg.)
36AQI (US)

Matsuyama's annual 2026 AQI (US) (36) shows an average percentage change of -18.4% (improved AQI (US)) compared to previous years: 2020 (44), 2021 (44), 2022 (45), 2023 (44), 2024 (42), 2025 (46).