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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Taisanjicho, 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

Taisanjicho, Matsuyama, Ehime, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
7th Aug 2024
70AQI
Lowest AQI recorded on
7th Aug 2026
23AQI

Same Day Analysis (17th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 25 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.

Day & Night AQI Trend: 16th Aug - 17th Aug 2026

Taisanjicho, Matsuyama, Ehime, Japan

AQI
Day
Night
.

5 AM16th Aug 2026

7 PM

4 AM17th Aug 2026

Day time
Avg. Highest Time
8AM16th Aug

29AQI

Avg. Lowest Time
5PM16th Aug

21AQI

Night time
Avg. Highest Time
2AM17th Aug

27AQI

Avg. Lowest Time
4AM17th Aug

21AQI

In the last 24 hours,

Taisanjicho's AQI reached its highest point of 29 at 8 AM during the Day, while the lowest point, 21, was recorded at 4 AM during the Night between 16th Aug and 17th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Taisanjicho, Matsuyama, Ehime, Japan

JulAug
19th - 20th20th - 21st21st - 22nd22nd - 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
Day
Night
19th Jul 2026565 AMAQI
19th Jul 2026566 AMAQI
19th Jul 2026557 AMAQI
19th Jul 2026538 AMAQI
19th Jul 2026529 AMAQI
19th Jul 20265210 AMAQI
19th Jul 20265311 AMAQI
19th Jul 20265312 PMAQI
19th Jul 2026531 PMAQI
19th Jul 2026572 PMAQI
19th Jul 2026563 PMAQI
19th Jul 2026564 PMAQI
19th Jul 2026565 PMAQI
19th Jul 2026576 PMAQI
19th Jul 2026567 PMAQI
19th Jul 2026548 PMAQI
19th Jul 2026549 PMAQI
19th Jul 20265410 PMAQI
19th Jul 20265711 PMAQI
20th Jul 20265612 AMAQI
20th Jul 2026551 AMAQI
20th Jul 2026532 AMAQI
20th Jul 2026563 AMAQI
20th Jul 2026544 AMAQI

27°C23/30°C

20th Jul 2026505 AMAQI
20th Jul 2026526 AMAQI
20th Jul 2026487 AMAQI
20th Jul 2026468 AMAQI
20th Jul 2026489 AMAQI
20th Jul 20265510 AMAQI
20th Jul 20265511 AMAQI
20th Jul 20265612 PMAQI
20th Jul 2026581 PMAQI
20th Jul 2026602 PMAQI
20th Jul 2026563 PMAQI
20th Jul 2026584 PMAQI
20th Jul 2026575 PMAQI
20th Jul 2026626 PMAQI
20th Jul 2026587 PMAQI
20th Jul 2026608 PMAQI
20th Jul 2026609 PMAQI
20th Jul 20265610 PMAQI
20th Jul 20265611 PMAQI
21st Jul 20265512 AMAQI
21st Jul 2026561 AMAQI
21st Jul 2026542 AMAQI
21st Jul 2026533 AMAQI
21st Jul 2026524 AMAQI

27°C24/30°C

21st Jul 2026525 AMAQI
21st Jul 2026536 AMAQI
21st Jul 2026517 AMAQI
21st Jul 2026548 AMAQI
21st Jul 2026509 AMAQI
21st Jul 20265010 AMAQI
21st Jul 20266411 AMAQI
21st Jul 2026621 PMAQI
21st Jul 2026652 PMAQI
21st Jul 2026683 PMAQI
21st Jul 2026674 PMAQI
21st Jul 2026635 PMAQI
21st Jul 2026626 PMAQI
21st Jul 20261027 PMAQI
21st Jul 2026588 PMAQI
21st Jul 2026609 PMAQI
21st Jul 20265710 PMAQI
21st Jul 20265411 PMAQI
22nd Jul 20265512 AMAQI
22nd Jul 2026551 AMAQI
22nd Jul 2026562 AMAQI
22nd Jul 2026543 AMAQI
22nd Jul 2026564 AMAQI

27°C24/30°C

22nd Jul 2026555 AMAQI
22nd Jul 2026546 AMAQI
22nd Jul 2026567 AMAQI
22nd Jul 2026568 AMAQI
22nd Jul 2026549 AMAQI
22nd Jul 20265410 AMAQI
22nd Jul 20265311 AMAQI
22nd Jul 20266212 PMAQI
22nd Jul 2026891 PMAQI
22nd Jul 2026832 PMAQI
22nd Jul 2026833 PMAQI
22nd Jul 2026574 PMAQI
22nd Jul 2026515 PMAQI
22nd Jul 2026466 PMAQI
22nd Jul 2026447 PMAQI
22nd Jul 2026428 PMAQI
22nd Jul 2026509 PMAQI
22nd Jul 20263610 PMAQI
22nd Jul 20264611 PMAQI
23rd Jul 20264012 AMAQI
23rd Jul 2026381 AMAQI
23rd Jul 2026362 AMAQI
23rd Jul 2026403 AMAQI
23rd Jul 2026444 AMAQI

27°C24/31°C

23rd Jul 2026315 AMAQI
23rd Jul 2026366 AMAQI
23rd Jul 2026367 AMAQI
23rd Jul 2026338 AMAQI
23rd Jul 2026339 AMAQI
23rd Jul 20263610 AMAQI
23rd Jul 20263811 AMAQI
23rd Jul 20265112 PMAQI
23rd Jul 2026511 PMAQI
23rd Jul 2026482 PMAQI
23rd Jul 2026503 PMAQI
23rd Jul 2026604 PMAQI
23rd Jul 2026515 PMAQI
23rd Jul 2026486 PMAQI
23rd Jul 2026467 PMAQI
23rd Jul 2026428 PMAQI
23rd Jul 2026469 PMAQI
23rd Jul 20264210 PMAQI
23rd Jul 20264411 PMAQI
24th Jul 20264012 AMAQI
24th Jul 2026311 AMAQI
24th Jul 2026442 AMAQI
24th Jul 2026543 AMAQI
24th Jul 2026514 AMAQI

28°C24/31°C

24th Jul 2026495 AMAQI
24th Jul 2026406 AMAQI
24th Jul 2026317 AMAQI
24th Jul 2026278 AMAQI
24th Jul 2026389 AMAQI
24th Jul 20264410 AMAQI
24th Jul 20265411 AMAQI
24th Jul 20265112 PMAQI
24th Jul 2026511 PMAQI
24th Jul 2026532 PMAQI
24th Jul 2026503 PMAQI
24th Jul 2026514 PMAQI
24th Jul 2026515 PMAQI
24th Jul 2026586 PMAQI
24th Jul 2026537 PMAQI
24th Jul 2026488 PMAQI
24th Jul 2026539 PMAQI
24th Jul 20265110 PMAQI
24th Jul 20264611 PMAQI
25th Jul 20264012 AMAQI
25th Jul 2026401 AMAQI
25th Jul 2026402 AMAQI
25th Jul 2026423 AMAQI
25th Jul 2026424 AMAQI

28°C24/31°C

25th Jul 2026365 AMAQI
25th Jul 2026406 AMAQI
25th Jul 2026367 AMAQI
25th Jul 2026408 AMAQI
25th Jul 2026409 AMAQI
25th Jul 20264410 AMAQI
25th Jul 20264611 AMAQI
25th Jul 20265112 PMAQI
25th Jul 2026481 PMAQI
25th Jul 2026512 PMAQI
25th Jul 2026533 PMAQI
25th Jul 2026554 PMAQI
25th Jul 2026555 PMAQI
25th Jul 2026556 PMAQI
25th Jul 2026557 PMAQI
25th Jul 2026548 PMAQI
25th Jul 2026539 PMAQI
25th Jul 20265710 PMAQI
25th Jul 20265511 PMAQI
26th Jul 20265412 AMAQI
26th Jul 2026521 AMAQI
26th Jul 2026512 AMAQI
26th Jul 2026513 AMAQI
26th Jul 2026484 AMAQI

27°C24/31°C

26th Jul 2026485 AMAQI
26th Jul 2026506 AMAQI
26th Jul 2026467 AMAQI
26th Jul 2026468 AMAQI
26th Jul 2026449 AMAQI
26th Jul 20264010 AMAQI
26th Jul 20263311 AMAQI
26th Jul 20263312 PMAQI
26th Jul 2026291 PMAQI
26th Jul 2026292 PMAQI
26th Jul 2026293 PMAQI
26th Jul 2026254 PMAQI
26th Jul 2026275 PMAQI
26th Jul 2026276 PMAQI
26th Jul 2026317 PMAQI
26th Jul 2026318 PMAQI
26th Jul 2026299 PMAQI
26th Jul 20262510 PMAQI
26th Jul 20262511 PMAQI
27th Jul 20262512 AMAQI
27th Jul 2026291 AMAQI
27th Jul 2026272 AMAQI
27th Jul 2026253 AMAQI
27th Jul 2026254 AMAQI

27°C24/32°C

27th Jul 2026275 AMAQI
27th Jul 2026296 AMAQI
27th Jul 2026277 AMAQI
27th Jul 2026278 AMAQI
27th Jul 2026299 AMAQI
27th Jul 20263110 AMAQI
27th Jul 20264211 AMAQI
27th Jul 20265212 PMAQI
27th Jul 2026461 PMAQI
27th Jul 2026422 PMAQI
27th Jul 2026443 PMAQI
27th Jul 2026524 PMAQI
27th Jul 2026495 PMAQI
27th Jul 2026516 PMAQI
27th Jul 2026527 PMAQI
27th Jul 2026528 PMAQI
27th Jul 2026549 PMAQI
27th Jul 20264810 PMAQI
27th Jul 20264411 PMAQI
28th Jul 20264812 AMAQI
28th Jul 2026481 AMAQI
28th Jul 2026482 AMAQI
28th Jul 2026503 AMAQI
28th Jul 2026514 AMAQI

28°C25/32°C

28th Jul 2026515 AMAQI
28th Jul 2026516 AMAQI
28th Jul 2026487 AMAQI
28th Jul 2026488 AMAQI
28th Jul 2026469 AMAQI
28th Jul 20264610 AMAQI
28th Jul 20263811 AMAQI
28th Jul 20263612 PMAQI
28th Jul 2026361 PMAQI
28th Jul 2026332 PMAQI
28th Jul 2026273 PMAQI
28th Jul 2026294 PMAQI
28th Jul 2026295 PMAQI
28th Jul 2026276 PMAQI
28th Jul 2026257 PMAQI
28th Jul 2026238 PMAQI
28th Jul 2026219 PMAQI
28th Jul 20262110 PMAQI
28th Jul 20262111 PMAQI
29th Jul 20262112 AMAQI
29th Jul 2026291 AMAQI
29th Jul 2026212 AMAQI
29th Jul 2026253 AMAQI
29th Jul 2026254 AMAQI

28°C24/32°C

29th Jul 2026235 AMAQI
29th Jul 2026236 AMAQI
29th Jul 2026257 AMAQI
29th Jul 2026298 AMAQI
29th Jul 2026259 AMAQI
29th Jul 20262910 AMAQI
29th Jul 20262511 AMAQI
29th Jul 20262512 PMAQI
29th Jul 2026211 PMAQI
29th Jul 2026252 PMAQI
29th Jul 2026253 PMAQI
29th Jul 2026254 PMAQI
29th Jul 2026295 PMAQI
29th Jul 2026216 PMAQI
29th Jul 2026217 PMAQI
29th Jul 2026218 PMAQI
29th Jul 2026239 PMAQI
29th Jul 20262310 PMAQI
29th Jul 20262311 PMAQI
30th Jul 20262312 AMAQI
30th Jul 2026271 AMAQI
30th Jul 2026212 AMAQI
30th Jul 2026213 AMAQI
30th Jul 2026234 AMAQI

25°C22/28°C

30th Jul 2026215 AMAQI
30th Jul 2026216 AMAQI
30th Jul 2026237 AMAQI
30th Jul 2026238 AMAQI
30th Jul 2026259 AMAQI
30th Jul 20262510 AMAQI
30th Jul 20262511 AMAQI
30th Jul 20262112 PMAQI
30th Jul 2026211 PMAQI
30th Jul 2026212 PMAQI
30th Jul 2026253 PMAQI
30th Jul 2026214 PMAQI
30th Jul 2026255 PMAQI
30th Jul 2026256 PMAQI
30th Jul 2026237 PMAQI
30th Jul 2026258 PMAQI
30th Jul 2026239 PMAQI
30th Jul 20262310 PMAQI
30th Jul 20262311 PMAQI
31st Jul 20262512 AMAQI
31st Jul 2026231 AMAQI
31st Jul 2026212 AMAQI
31st Jul 2026213 AMAQI
31st Jul 2026234 AMAQI

28°C25/32°C

31st Jul 2026215 AMAQI
31st Jul 2026216 AMAQI
31st Jul 2026217 AMAQI
31st Jul 2026218 AMAQI
31st Jul 2026219 AMAQI
31st Jul 20262110 AMAQI
31st Jul 20262111 AMAQI
31st Jul 20262112 PMAQI
31st Jul 2026231 PMAQI
31st Jul 2026252 PMAQI
31st Jul 2026273 PMAQI
31st Jul 2026294 PMAQI
31st Jul 2026255 PMAQI
31st Jul 2026276 PMAQI
31st Jul 2026277 PMAQI
31st Jul 2026298 PMAQI
31st Jul 2026299 PMAQI
31st Jul 20262910 PMAQI
31st Jul 20262911 PMAQI
1st Aug 20263112 AMAQI
1st Aug 2026311 AMAQI
1st Aug 2026332 AMAQI
1st Aug 2026333 AMAQI
1st Aug 2026314 AMAQI

27°C23/32°C

1st Aug 2026295 AMAQI
1st Aug 2026316 AMAQI
1st Aug 2026317 AMAQI
1st Aug 2026298 AMAQI
1st Aug 2026299 AMAQI
1st Aug 20262910 AMAQI
1st Aug 20262911 AMAQI
1st Aug 20262912 PMAQI
1st Aug 2026291 PMAQI
1st Aug 2026292 PMAQI
1st Aug 2026293 PMAQI
1st Aug 2026334 PMAQI
1st Aug 2026335 PMAQI
1st Aug 2026366 PMAQI
1st Aug 2026387 PMAQI
1st Aug 2026388 PMAQI
1st Aug 2026389 PMAQI
1st Aug 20263810 PMAQI
1st Aug 20264411 PMAQI
2nd Aug 20265312 AMAQI
2nd Aug 2026461 AMAQI
2nd Aug 2026292 AMAQI
2nd Aug 2026273 AMAQI
2nd Aug 2026334 AMAQI

28°C23/32°C

2nd Aug 2026295 AMAQI
2nd Aug 2026296 AMAQI
2nd Aug 2026297 AMAQI
2nd Aug 2026298 AMAQI
2nd Aug 2026279 AMAQI
2nd Aug 20264210 AMAQI
2nd Aug 20264611 AMAQI
2nd Aug 20264212 PMAQI
2nd Aug 2026571 PMAQI
2nd Aug 2026522 PMAQI
2nd Aug 2026573 PMAQI
2nd Aug 2026514 PMAQI
2nd Aug 2026465 PMAQI
2nd Aug 2026446 PMAQI
2nd Aug 2026467 PMAQI
2nd Aug 2026528 PMAQI
2nd Aug 2026339 PMAQI
2nd Aug 20264010 PMAQI
2nd Aug 20263811 PMAQI
3rd Aug 20264012 AMAQI
3rd Aug 2026381 AMAQI
3rd Aug 2026502 AMAQI
3rd Aug 2026523 AMAQI
3rd Aug 2026504 AMAQI

29°C24/34°C

3rd Aug 2026535 AMAQI
3rd Aug 2026566 AMAQI
3rd Aug 2026427 AMAQI
3rd Aug 2026508 AMAQI
3rd Aug 2026489 AMAQI
3rd Aug 20264810 AMAQI
3rd Aug 20265111 AMAQI
3rd Aug 20266712 PMAQI
3rd Aug 2026531 PMAQI
3rd Aug 2026592 PMAQI
3rd Aug 2026513 PMAQI
3rd Aug 2026544 PMAQI
3rd Aug 2026525 PMAQI
3rd Aug 2026646 PMAQI
3rd Aug 2026547 PMAQI
3rd Aug 2026578 PMAQI
3rd Aug 2026539 PMAQI
3rd Aug 20265210 PMAQI
3rd Aug 20265611 PMAQI
4th Aug 20265412 AMAQI
4th Aug 2026541 AMAQI
4th Aug 2026532 AMAQI
4th Aug 2026513 AMAQI
4th Aug 2026514 AMAQI

28°C25/33°C

4th Aug 2026535 AMAQI
4th Aug 2026546 AMAQI
4th Aug 2026547 AMAQI
4th Aug 2026528 AMAQI
4th Aug 2026539 AMAQI
4th Aug 20265310 AMAQI
4th Aug 20265311 AMAQI
4th Aug 20265412 PMAQI
4th Aug 2026541 PMAQI
4th Aug 2026542 PMAQI
4th Aug 2026543 PMAQI
4th Aug 2026564 PMAQI
4th Aug 2026565 PMAQI
4th Aug 2026586 PMAQI
4th Aug 2026567 PMAQI
4th Aug 2026568 PMAQI
4th Aug 2026519 PMAQI
4th Aug 20264910 PMAQI
4th Aug 20265111 PMAQI
5th Aug 20264612 AMAQI
5th Aug 2026511 AMAQI
5th Aug 2026482 AMAQI
5th Aug 2026443 AMAQI
5th Aug 2026424 AMAQI

27°C24/30°C

5th Aug 2026405 AMAQI
5th Aug 2026406 AMAQI
5th Aug 2026387 AMAQI
5th Aug 2026338 AMAQI
5th Aug 2026319 AMAQI
5th Aug 20263310 AMAQI
5th Aug 20263111 AMAQI
5th Aug 20262912 PMAQI
5th Aug 2026421 PMAQI
5th Aug 2026362 PMAQI
5th Aug 2026313 PMAQI
5th Aug 2026294 PMAQI
5th Aug 2026315 PMAQI
5th Aug 2026296 PMAQI
5th Aug 2026337 PMAQI
5th Aug 2026278 PMAQI
5th Aug 2026299 PMAQI
5th Aug 20262710 PMAQI
5th Aug 20262911 PMAQI
6th Aug 20262912 AMAQI
6th Aug 2026291 AMAQI
6th Aug 2026292 AMAQI
6th Aug 2026293 AMAQI
6th Aug 2026294 AMAQI

27°C24/31°C

6th Aug 2026275 AMAQI
6th Aug 2026296 AMAQI
6th Aug 2026317 AMAQI
6th Aug 2026318 AMAQI
6th Aug 2026299 AMAQI
6th Aug 20262710 AMAQI
6th Aug 20262911 AMAQI
6th Aug 20262712 PMAQI
6th Aug 2026251 PMAQI
6th Aug 2026232 PMAQI
6th Aug 2026253 PMAQI
6th Aug 2026254 PMAQI
6th Aug 2026275 PMAQI
6th Aug 2026276 PMAQI
6th Aug 2026257 PMAQI
6th Aug 2026258 PMAQI
6th Aug 2026259 PMAQI
6th Aug 20262510 PMAQI
6th Aug 20262511 PMAQI
7th Aug 20262512 AMAQI
7th Aug 2026231 AMAQI
7th Aug 2026252 AMAQI
7th Aug 2026253 AMAQI
7th Aug 2026234 AMAQI

27°C23/33°C

7th Aug 2026235 AMAQI
7th Aug 2026236 AMAQI
7th Aug 2026217 AMAQI
7th Aug 2026218 AMAQI
7th Aug 2026219 AMAQI
7th Aug 20262110 AMAQI
7th Aug 20262111 AMAQI
7th Aug 20262112 PMAQI
7th Aug 2026341 PMAQI
7th Aug 2026302 PMAQI
7th Aug 2026233 PMAQI
7th Aug 2026214 PMAQI
7th Aug 2026235 PMAQI
7th Aug 2026236 PMAQI
7th Aug 2026257 PMAQI
7th Aug 2026218 PMAQI
7th Aug 2026259 PMAQI
7th Aug 20262110 PMAQI
7th Aug 20262111 PMAQI
8th Aug 20262112 AMAQI
8th Aug 2026251 AMAQI
8th Aug 2026252 AMAQI
8th Aug 2026233 AMAQI
8th Aug 2026294 AMAQI

27°C24/32°C

8th Aug 2026255 AMAQI
8th Aug 2026296 AMAQI
8th Aug 2026257 AMAQI
8th Aug 2026258 AMAQI
8th Aug 2026219 AMAQI
8th Aug 20262110 AMAQI
8th Aug 20262111 AMAQI
8th Aug 20262912 PMAQI
8th Aug 2026251 PMAQI
8th Aug 2026252 PMAQI
8th Aug 2026233 PMAQI
8th Aug 2026214 PMAQI
8th Aug 2026235 PMAQI
8th Aug 2026236 PMAQI
8th Aug 2026217 PMAQI
8th Aug 2026238 PMAQI
8th Aug 2026219 PMAQI
8th Aug 20262310 PMAQI
8th Aug 20262311 PMAQI
9th Aug 20262312 AMAQI
9th Aug 2026211 AMAQI
9th Aug 2026212 AMAQI
9th Aug 2026213 AMAQI
9th Aug 2026254 AMAQI

27°C24/31°C

9th Aug 2026215 AMAQI
9th Aug 2026236 AMAQI
9th Aug 2026217 AMAQI
9th Aug 2026258 AMAQI
9th Aug 2026259 AMAQI
9th Aug 20262110 AMAQI
9th Aug 20262511 AMAQI
9th Aug 20262112 PMAQI
9th Aug 2026231 PMAQI
9th Aug 2026232 PMAQI
9th Aug 2026253 PMAQI
9th Aug 2026214 PMAQI
9th Aug 2026275 PMAQI
9th Aug 2026236 PMAQI
9th Aug 2026237 PMAQI
9th Aug 2026278 PMAQI
9th Aug 2026259 PMAQI
9th Aug 20262910 PMAQI
9th Aug 20262911 PMAQI
10th Aug 20262912 AMAQI
10th Aug 2026441 AMAQI
10th Aug 2026272 AMAQI
10th Aug 2026273 AMAQI
10th Aug 2026274 AMAQI

27°C23/30°C

10th Aug 2026295 AMAQI
10th Aug 2026256 AMAQI
10th Aug 2026297 AMAQI
10th Aug 2026298 AMAQI
10th Aug 2026279 AMAQI
10th Aug 20262510 AMAQI
10th Aug 20262511 AMAQI
10th Aug 20263612 PMAQI
10th Aug 2026341 PMAQI
10th Aug 2026292 PMAQI
10th Aug 2026313 PMAQI
10th Aug 2026294 PMAQI
10th Aug 2026295 PMAQI
10th Aug 2026296 PMAQI
10th Aug 2026297 PMAQI
10th Aug 2026298 PMAQI
10th Aug 2026299 PMAQI
10th Aug 20262910 PMAQI
10th Aug 20263311 PMAQI
11th Aug 20263112 AMAQI
11th Aug 2026291 AMAQI
11th Aug 2026292 AMAQI
11th Aug 2026293 AMAQI
11th Aug 2026274 AMAQI

27°C24/31°C

11th Aug 2026275 AMAQI
11th Aug 2026296 AMAQI
11th Aug 2026257 AMAQI
11th Aug 2026258 AMAQI
11th Aug 2026259 AMAQI
11th Aug 20262510 AMAQI
11th Aug 20262911 AMAQI
11th Aug 20262512 PMAQI
11th Aug 2026271 PMAQI
11th Aug 2026252 PMAQI
11th Aug 2026253 PMAQI
11th Aug 2026254 PMAQI
11th Aug 2026275 PMAQI
11th Aug 2026256 PMAQI
11th Aug 2026237 PMAQI
11th Aug 2026278 PMAQI
11th Aug 2026259 PMAQI
11th Aug 20262310 PMAQI
11th Aug 20262311 PMAQI
12th Aug 20262112 AMAQI
12th Aug 2026211 AMAQI
12th Aug 2026212 AMAQI
12th Aug 2026213 AMAQI
12th Aug 2026214 AMAQI

26°C21/31°C

12th Aug 2026215 AMAQI
12th Aug 2026216 AMAQI
12th Aug 2026297 AMAQI
12th Aug 2026218 AMAQI
12th Aug 2026219 AMAQI
12th Aug 20262510 AMAQI
12th Aug 20262111 AMAQI
12th Aug 20262112 PMAQI
12th Aug 2026211 PMAQI
12th Aug 2026212 PMAQI
12th Aug 2026213 PMAQI
12th Aug 2026254 PMAQI
12th Aug 2026255 PMAQI
12th Aug 2026256 PMAQI
12th Aug 2026237 PMAQI
12th Aug 2026238 PMAQI
12th Aug 2026259 PMAQI
12th Aug 20262510 PMAQI
12th Aug 20262311 PMAQI
13th Aug 20262112 AMAQI
13th Aug 2026231 AMAQI
13th Aug 2026232 AMAQI
13th Aug 2026253 AMAQI
13th Aug 2026214 AMAQI

24°C20/29°C

13th Aug 2026235 AMAQI
13th Aug 2026216 AMAQI
13th Aug 2026217 AMAQI
13th Aug 2026218 AMAQI
13th Aug 2026239 AMAQI
13th Aug 20262110 AMAQI
13th Aug 20262111 AMAQI
13th Aug 20262312 PMAQI
13th Aug 2026251 PMAQI
13th Aug 2026252 PMAQI
13th Aug 2026253 PMAQI
13th Aug 2026274 PMAQI
13th Aug 2026255 PMAQI
13th Aug 2026256 PMAQI
13th Aug 2026257 PMAQI
13th Aug 2026298 PMAQI
13th Aug 2026279 PMAQI
13th Aug 20262710 PMAQI
13th Aug 20262511 PMAQI
14th Aug 20262912 AMAQI
14th Aug 2026271 AMAQI
14th Aug 2026292 AMAQI
14th Aug 2026313 AMAQI
14th Aug 2026294 AMAQI

25°C22/29°C

14th Aug 2026315 AMAQI
14th Aug 2026296 AMAQI
14th Aug 2026317 AMAQI
14th Aug 2026338 AMAQI
14th Aug 2026319 AMAQI
14th Aug 20263310 AMAQI
14th Aug 20263311 AMAQI
14th Aug 20263312 PMAQI
14th Aug 2026331 PMAQI
14th Aug 2026362 PMAQI
14th Aug 2026383 PMAQI
14th Aug 2026384 PMAQI
14th Aug 2026385 PMAQI
14th Aug 2026386 PMAQI
14th Aug 2026337 PMAQI
14th Aug 2026338 PMAQI
14th Aug 2026299 PMAQI
14th Aug 20263310 PMAQI
14th Aug 20262911 PMAQI
15th Aug 20263312 AMAQI
15th Aug 2026211 AMAQI
15th Aug 2026272 AMAQI
15th Aug 2026253 AMAQI
15th Aug 2026294 AMAQI

25°C21/28°C

15th Aug 2026255 AMAQI
15th Aug 2026296 AMAQI
15th Aug 2026257 AMAQI
15th Aug 2026258 AMAQI
15th Aug 2026259 AMAQI
15th Aug 20262310 AMAQI
15th Aug 20262511 AMAQI
15th Aug 20264912 PMAQI
15th Aug 2026621 PMAQI
15th Aug 2026232 PMAQI
15th Aug 2026273 PMAQI
15th Aug 2026214 PMAQI
15th Aug 2026255 PMAQI
15th Aug 2026256 PMAQI
15th Aug 2026337 PMAQI
15th Aug 2026218 PMAQI
15th Aug 2026469 PMAQI
15th Aug 20263610 PMAQI
15th Aug 20263311 PMAQI
16th Aug 20262512 AMAQI
16th Aug 2026271 AMAQI
16th Aug 2026232 AMAQI
16th Aug 2026293 AMAQI
16th Aug 2026274 AMAQI

25°C22/29°C

16th Aug 2026255 AMAQI
16th Aug 2026256 AMAQI
16th Aug 2026217 AMAQI
16th Aug 2026298 AMAQI
16th Aug 2026239 AMAQI
16th Aug 20262110 AMAQI
16th Aug 20262711 AMAQI
16th Aug 20262512 PMAQI
16th Aug 2026251 PMAQI
16th Aug 2026272 PMAQI
16th Aug 2026213 PMAQI
16th Aug 2026234 PMAQI
16th Aug 2026215 PMAQI
16th Aug 2026256 PMAQI
16th Aug 2026237 PMAQI
16th Aug 2026258 PMAQI
16th Aug 2026259 PMAQI
16th Aug 20262310 PMAQI
16th Aug 20262511 PMAQI
17th Aug 20262512 AMAQI
17th Aug 2026251 AMAQI
17th Aug 2026272 AMAQI
17th Aug 2026253 AMAQI
17th Aug 2026214 AMAQI

26°C22/29°C

17th Aug 2026255 AMAQI
5 AM
17th Aug 2026256 AMAQI
17th Aug 2026297 AMAQI
17th Aug 2026298 AMAQI
17th Aug 2026299 AMAQI
17th Aug 20262510 AMAQI
17th Aug 20262511 AMAQI
17th Aug 20262512 PMAQI
12 PM
17th Aug 2026211 PMAQI
17th Aug 2026232 PMAQI
17th Aug 2026213 PMAQI
17th Aug 2026294 PMAQI
17th Aug 2026295 PMAQI
17th Aug 2026216 PMAQI
17th Aug 2026257 PMAQI
7 PM
17th Aug 2026258 PMAQI
17th Aug 2026219 PMAQI
17th Aug 20262510 PMAQI
17th Aug 20262511 PMAQI
12 AM
4 AM

14°C14/15°C

Day time
Avg. Highest Time
1 PM - 7 PM

38AQI

7 hours / Day
210 hours / Month
Avg. Lowest Time
9 AM

33AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 7 PM (Avg. 38), while the lowest AQI was between 9 AM to 9 AM (Avg. 33).
Night time
Avg. Highest Time
12 AM - 11 PM

36AQI

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

36AQI

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. 36), while the lowest AQI was between 12 AM to 11 PM (Avg. 36).

2026 Days Vs Air Quality

Taisanjicho, Matsuyama, Ehime, Japan

2026

87%

200

13%

29

Total number of days with different AQI categories in last 229 days in 2026 (136 days remaining)

Good
200 Days
Moderate
29 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 87%

Health Risk Level:

Low

In 2026, 87% of 229 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

Taisanjicho, 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
24AQI (US)
3rd January 2026
29AQI (US)
4th January 2026
38AQI (US)
5th January 2026
48AQI (US)
6th January 2026
25AQI (US)
7th January 2026
26AQI (US)
8th January 2026
36AQI (US)
9th January 2026
19AQI (US)
10th January 2026
30AQI (US)
11th January 2026
25AQI (US)
12th January 2026
20AQI (US)
13th January 2026
31AQI (US)
14th January 2026
28AQI (US)
15th January 2026
36AQI (US)
16th January 2026
57AQI (US)
17th January 2026
49AQI (US)
18th January 2026
46AQI (US)
19th January 2026
55AQI (US)
20th January 2026
29AQI (US)
21st January 2026
13AQI (US)
22nd January 2026
23AQI (US)
23rd January 2026
34AQI (US)
24th January 2026
45AQI (US)
25th January 2026
40AQI (US)
26th January 2026
22AQI (US)
27th January 2026
39AQI (US)
28th January 2026
26AQI (US)
29th January 2026
30AQI (US)
30th January 2026
20AQI (US)
31st January 2026
16AQI (US)
1st February 2026
42AQI (US)
2nd February 2026
47AQI (US)
3rd February 2026
32AQI (US)
4th February 2026
33AQI (US)
5th February 2026
39AQI (US)
6th February 2026
45AQI (US)
7th February 2026
28AQI (US)
8th February 2026
22AQI (US)
9th February 2026
37AQI (US)
10th February 2026
43AQI (US)
11th February 2026
37AQI (US)
12th February 2026
30AQI (US)
13th February 2026
37AQI (US)
14th February 2026
59AQI (US)
15th February 2026
46AQI (US)
16th February 2026
46AQI (US)
17th February 2026
22AQI (US)
18th February 2026
22AQI (US)
19th February 2026
37AQI (US)
20th February 2026
38AQI (US)
21st February 2026
61AQI (US)
22nd February 2026
47AQI (US)
23rd February 2026
52AQI (US)
24th February 2026
29AQI (US)
25th February 2026
19AQI (US)
26th February 2026
21AQI (US)
27th February 2026
50AQI (US)
28th February 2026
31AQI (US)
1st March 2026
36AQI (US)
2nd March 2026
57AQI (US)
3rd March 2026
39AQI (US)
4th March 2026
24AQI (US)
5th March 2026
47AQI (US)
6th March 2026
50AQI (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
56AQI (US)
13th March 2026
38AQI (US)
14th March 2026
44AQI (US)
15th March 2026
60AQI (US)
16th March 2026
50AQI (US)
17th March 2026
41AQI (US)
18th March 2026
55AQI (US)
19th March 2026
36AQI (US)
20th March 2026
50AQI (US)
21st March 2026
32AQI (US)
22nd March 2026
42AQI (US)
23rd March 2026
31AQI (US)
24th March 2026
41AQI (US)
25th March 2026
27AQI (US)
26th March 2026
24AQI (US)
27th March 2026
33AQI (US)
28th March 2026
37AQI (US)
29th March 2026
63AQI (US)
30th March 2026
60AQI (US)
31st March 2026
25AQI (US)
1st April 2026
16AQI (US)
2nd April 2026
48AQI (US)
3rd April 2026
49AQI (US)
4th April 2026
43AQI (US)
5th April 2026
40AQI (US)
6th April 2026
49AQI (US)
7th April 2026
29AQI (US)
8th April 2026
26AQI (US)
9th April 2026
36AQI (US)
10th April 2026
27AQI (US)
11th April 2026
32AQI (US)
12th April 2026
30AQI (US)
13th April 2026
37AQI (US)
14th April 2026
43AQI (US)
15th April 2026
26AQI (US)
16th April 2026
20AQI (US)
17th April 2026
29AQI (US)
18th April 2026
27AQI (US)
19th April 2026
30AQI (US)
20th April 2026
36AQI (US)
21st April 2026
38AQI (US)
22nd April 2026
45AQI (US)
23rd April 2026
30AQI (US)
24th April 2026
21AQI (US)
25th April 2026
46AQI (US)
26th April 2026
49AQI (US)
27th April 2026
52AQI (US)
28th April 2026
49AQI (US)
29th April 2026
42AQI (US)
30th April 2026
32AQI (US)
1st May 2026
50AQI (US)
2nd May 2026
49AQI (US)
3rd May 2026
40AQI (US)
4th May 2026
29AQI (US)
5th May 2026
26AQI (US)
6th May 2026
28AQI (US)
7th May 2026
29AQI (US)
8th May 2026
26AQI (US)
9th May 2026
29AQI (US)
10th May 2026
28AQI (US)
11th May 2026
30AQI (US)
12th May 2026
27AQI (US)
13th May 2026
36AQI (US)
14th May 2026
29AQI (US)
15th May 2026
32AQI (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
64AQI (US)
25th May 2026
54AQI (US)
26th May 2026
42AQI (US)
27th May 2026
26AQI (US)
28th May 2026
26AQI (US)
29th May 2026
25AQI (US)
30th May 2026
24AQI (US)
31st May 2026
27AQI (US)
1st June 2026
27AQI (US)
2nd June 2026
24AQI (US)
3rd June 2026
26AQI (US)
4th June 2026
24AQI (US)
5th June 2026
22AQI (US)
6th June 2026
24AQI (US)
7th June 2026
22AQI (US)
8th June 2026
21AQI (US)
9th June 2026
24AQI (US)
10th June 2026
23AQI (US)
11th June 2026
27AQI (US)
12th June 2026
25AQI (US)
13th June 2026
25AQI (US)
14th June 2026
24AQI (US)
15th June 2026
24AQI (US)
16th June 2026
26AQI (US)
17th June 2026
24AQI (US)
18th June 2026
27AQI (US)
19th June 2026
33AQI (US)
20th June 2026
34AQI (US)
21st June 2026
20AQI (US)
22nd June 2026
19AQI (US)
23rd June 2026
22AQI (US)
24th June 2026
21AQI (US)
25th June 2026
26AQI (US)
26th June 2026
27AQI (US)
27th June 2026
26AQI (US)
28th June 2026
29AQI (US)
29th June 2026
25AQI (US)
30th June 2026
30AQI (US)
1st July 2026
36AQI (US)
2nd July 2026
15AQI (US)
3rd July 2026
28AQI (US)
4th July 2026
24AQI (US)
5th July 2026
19AQI (US)
6th July 2026
19AQI (US)
7th July 2026
24AQI (US)
8th July 2026
33AQI (US)
9th July 2026
21AQI (US)
10th July 2026
26AQI (US)
11th July 2026
27AQI (US)
12th July 2026
25AQI (US)
13th July 2026
28AQI (US)
14th July 2026
27AQI (US)
15th July 2026
24AQI (US)
16th July 2026
22AQI (US)
17th July 2026
31AQI (US)
18th July 2026
53AQI (US)
19th July 2026
56AQI (US)
20th July 2026
55AQI (US)
21st July 2026
59AQI (US)
22nd July 2026
56AQI (US)
23rd July 2026
42AQI (US)
24th July 2026
47AQI (US)
25th July 2026
47AQI (US)
26th July 2026
38AQI (US)
27th July 2026
39AQI (US)
28th July 2026
38AQI (US)
29th July 2026
24AQI (US)
30th July 2026
23AQI (US)
31st July 2026
24AQI (US)
1st August 2026
32AQI (US)
2nd August 2026
41AQI (US)
3rd August 2026
52AQI (US)
4th August 2026
54AQI (US)
5th August 2026
35AQI (US)
6th August 2026
27AQI (US)
7th August 2026
23AQI (US)
8th August 2026
24AQI (US)
9th August 2026
24AQI (US)
10th August 2026
30AQI (US)
11th August 2026
26AQI (US)
12th August 2026
23AQI (US)
13th August 2026
24AQI (US)
14th August 2026
32AQI (US)
15th August 2026
30AQI (US)
16th August 2026
25AQI (US)
17th August 2026
25AQI (US)
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

32AQI (US)

38AQI (US)

42AQI (US)

36AQI (US)

41AQI (US)

25AQI (US)

33AQI (US)

31AQI (US)

No. of days

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

202635AQI (US)

29
2
25
3
24
7
29
1
22
9
30
26
5
15
2
200
29

Highest AQI (US) recorded in

March

42AQI (US)

Lowest AQI (US) recorded in

June

25AQI (US)

202545AQI (US)

27
4
25
3
18
13
19
11
22
9
15
15
15
15
1
30
1
30
16
15
23
7
23
8
263
101
1

Highest AQI (US) recorded in

July

56AQI (US)

Lowest AQI (US) recorded in

September

32AQI (US)

202445AQI (US)

28
3
24
5
23
8
8
22
22
9
23
7
23
8
19
12
21
9
28
3
26
4
31
276
90

Highest AQI (US) recorded in

April

57AQI (US)

Lowest AQI (US) recorded in

December

34AQI (US)

202346AQI (US)

24
6
1
22
6
15
16
10
20
18
13
15
15
24
7
28
3
24
6
24
7
22
7
26
5
252
111
1

Highest AQI (US) recorded in

April

55AQI (US)

Lowest AQI (US) recorded in

August

39AQI (US)

202246AQI (US)

26
4
17
4
17
14
11
6
10
21
17
13
13
8
1
1
23
6
28
3
23
7
31
217
87

Highest AQI (US) recorded in

May

58AQI (US)

Lowest AQI (US) recorded in

December

37AQI (US)

202143AQI (US)

24
6
21
7
18
12
18
6
15
16
12
18
21
10
26
5
23
7
24
7
22
8
29
2
253
104

Highest AQI (US) recorded in

June

57AQI (US)

Lowest AQI (US) recorded in

April

37AQI (US)

202044AQI (US)

6
7
15
6
10
8
14
16
26
5
13
15
3
14
5
27
4
25
5
27
4
177
75
3

Highest AQI (US) recorded in

August

60AQI (US)

Lowest AQI (US) recorded in

December

34AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2023(Avg.)
46AQI (US)
Least Polluted Year Recorded
2026(Avg.)
35AQI (US)

Taisanjicho's annual 2026 AQI (US) (35) shows an average percentage change of -21.8% (improved AQI (US)) compared to previous years: 2020 (44), 2021 (43), 2022 (46), 2023 (46), 2024 (45), 2025 (45).