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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Tomihisamachi, 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

Tomihisamachi, Matsuyama, Ehime, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
5th Aug 2024
65AQI
Lowest AQI recorded on
30th Aug 2023
16AQI

Same Day Analysis (15th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 33 of Good air quality, showing improvement over 2025 and 2024 on the same day.

Day & Night AQI Trend: 14th Aug - 15th Aug 2026

Tomihisamachi, Matsuyama, Ehime, Japan

AQI
Day
Night
.

5 AM14th Aug 2026

7 PM

4 AM15th Aug 2026

Day time
Avg. Highest Time
3PM14th Aug

50AQI

Avg. Lowest Time
5AM14th Aug

33AQI

Night time
Avg. Highest Time
7PM14th Aug

38AQI

Avg. Lowest Time
3AM15th Aug

29AQI

In the last 24 hours,

Tomihisamachi's AQI reached its highest point of 50 at 3 PM during the Day, while the lowest point, 29, was recorded at 3 AM during the Night between 14th Aug and 15th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Tomihisamachi, Matsuyama, Ehime, Japan

JulAug
17th - 18th18th - 19th19th - 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
Day
Night
17th Jul 2026285 AMAQI
17th Jul 2026266 AMAQI
17th Jul 2026287 AMAQI
17th Jul 2026268 AMAQI
17th Jul 2026249 AMAQI
17th Jul 20262810 AMAQI
17th Jul 20262411 AMAQI
17th Jul 20262512 PMAQI
17th Jul 2026271 PMAQI
17th Jul 2026262 PMAQI
17th Jul 2026233 PMAQI
17th Jul 2026484 PMAQI
17th Jul 2026465 PMAQI
17th Jul 2026506 PMAQI
17th Jul 2026537 PMAQI
17th Jul 2026528 PMAQI
17th Jul 2026539 PMAQI
17th Jul 20265410 PMAQI
17th Jul 20265311 PMAQI
18th Jul 20265112 AMAQI
18th Jul 2026531 AMAQI
18th Jul 2026552 AMAQI
18th Jul 2026523 AMAQI
18th Jul 2026544 AMAQI

27°C23/30°C

18th Jul 2026545 AMAQI
18th Jul 2026526 AMAQI
18th Jul 2026537 AMAQI
18th Jul 2026518 AMAQI
18th Jul 2026549 AMAQI
18th Jul 20265510 AMAQI
18th Jul 20265411 AMAQI
18th Jul 20265512 PMAQI
18th Jul 2026591 PMAQI
18th Jul 2026572 PMAQI
18th Jul 2026603 PMAQI
18th Jul 2026624 PMAQI
18th Jul 2026645 PMAQI
18th Jul 2026626 PMAQI
18th Jul 2026627 PMAQI
18th Jul 2026628 PMAQI
18th Jul 2026589 PMAQI
18th Jul 20266010 PMAQI
18th Jul 20265311 PMAQI
19th Jul 20266012 AMAQI
19th Jul 2026641 AMAQI
19th Jul 2026592 AMAQI
19th Jul 2026643 AMAQI
19th Jul 2026604 AMAQI

27°C24/30°C

19th Jul 2026605 AMAQI
19th Jul 2026606 AMAQI
19th Jul 2026607 AMAQI
19th Jul 2026608 AMAQI
19th Jul 2026589 AMAQI
19th Jul 20265810 AMAQI
19th Jul 20266011 AMAQI
19th Jul 20265712 PMAQI
19th Jul 2026561 PMAQI
19th Jul 2026602 PMAQI
19th Jul 2026603 PMAQI
19th Jul 2026624 PMAQI
19th Jul 2026575 PMAQI
19th Jul 2026606 PMAQI
19th Jul 2026587 PMAQI
19th Jul 2026598 PMAQI
19th Jul 2026589 PMAQI
19th Jul 20265710 PMAQI
19th Jul 20265511 PMAQI
20th Jul 20265812 AMAQI
20th Jul 2026581 AMAQI
20th Jul 2026582 AMAQI
20th Jul 2026583 AMAQI
20th Jul 2026594 AMAQI

27°C23/30°C

20th Jul 2026575 AMAQI
20th Jul 2026566 AMAQI
20th Jul 2026587 AMAQI
20th Jul 2026568 AMAQI
20th Jul 2026569 AMAQI
20th Jul 20265910 AMAQI
20th Jul 20265911 AMAQI
20th Jul 20265612 PMAQI
20th Jul 2026601 PMAQI
20th Jul 2026592 PMAQI
20th Jul 2026573 PMAQI
20th Jul 2026574 PMAQI
20th Jul 2026565 PMAQI
20th Jul 2026576 PMAQI
20th Jul 2026557 PMAQI
20th Jul 2026538 PMAQI
20th Jul 2026559 PMAQI
20th Jul 20265510 PMAQI
20th Jul 20265511 PMAQI
21st Jul 20265212 AMAQI
21st Jul 2026521 AMAQI
21st Jul 2026532 AMAQI
21st Jul 2026513 AMAQI
21st Jul 2026514 AMAQI

27°C24/30°C

21st Jul 2026515 AMAQI
21st Jul 2026516 AMAQI
21st Jul 2026537 AMAQI
21st Jul 2026528 AMAQI
21st Jul 2026539 AMAQI
21st Jul 20265210 AMAQI
21st Jul 20265511 AMAQI
21st Jul 2026531 PMAQI
21st Jul 2026532 PMAQI
21st Jul 2026643 PMAQI
21st Jul 2026644 PMAQI
21st Jul 2026575 PMAQI
21st Jul 2026566 PMAQI
21st Jul 2026917 PMAQI
21st Jul 2026538 PMAQI
21st Jul 2026549 PMAQI
21st Jul 20265310 PMAQI
21st Jul 20265311 PMAQI
22nd Jul 20265612 AMAQI
22nd Jul 2026561 AMAQI
22nd Jul 2026572 AMAQI
22nd Jul 2026553 AMAQI
22nd Jul 2026564 AMAQI

27°C24/30°C

22nd Jul 2026555 AMAQI
22nd Jul 2026596 AMAQI
22nd Jul 2026567 AMAQI
22nd Jul 2026578 AMAQI
22nd Jul 2026589 AMAQI
22nd Jul 20266010 AMAQI
22nd Jul 20265711 AMAQI
22nd Jul 20266312 PMAQI
22nd Jul 2026801 PMAQI
22nd Jul 2026802 PMAQI
22nd Jul 2026713 PMAQI
22nd Jul 2026654 PMAQI
22nd Jul 2026545 PMAQI
22nd Jul 2026466 PMAQI
22nd Jul 2026407 PMAQI
22nd Jul 2026528 PMAQI
22nd Jul 2026369 PMAQI
22nd Jul 20264410 PMAQI
22nd Jul 20264411 PMAQI
23rd Jul 20264212 AMAQI
23rd Jul 2026501 AMAQI
23rd Jul 2026672 AMAQI
23rd Jul 2026673 AMAQI
23rd Jul 2026584 AMAQI

27°C24/31°C

23rd Jul 2026545 AMAQI
23rd Jul 2026466 AMAQI
23rd Jul 2026447 AMAQI
23rd Jul 2026408 AMAQI
23rd Jul 2026389 AMAQI
23rd Jul 20264010 AMAQI
23rd Jul 20263811 AMAQI
23rd Jul 20264212 PMAQI
23rd Jul 2026401 PMAQI
23rd Jul 2026492 PMAQI
23rd Jul 2026553 PMAQI
23rd Jul 2026524 PMAQI
23rd Jul 2026405 PMAQI
23rd Jul 2026426 PMAQI
23rd Jul 2026557 PMAQI
23rd Jul 2026678 PMAQI
23rd Jul 2026589 PMAQI
23rd Jul 20264810 PMAQI
23rd Jul 20264811 PMAQI
24th Jul 20264812 AMAQI
24th Jul 2026551 AMAQI
24th Jul 2026572 AMAQI
24th Jul 2026533 AMAQI
24th Jul 2026524 AMAQI

28°C24/31°C

24th Jul 2026515 AMAQI
24th Jul 2026466 AMAQI
24th Jul 2026447 AMAQI
24th Jul 2026428 AMAQI
24th Jul 2026449 AMAQI
24th Jul 20265110 AMAQI
24th Jul 20265111 AMAQI
24th Jul 20264612 PMAQI
24th Jul 2026521 PMAQI
24th Jul 2026552 PMAQI
24th Jul 2026513 PMAQI
24th Jul 2026544 PMAQI
24th Jul 2026575 PMAQI
24th Jul 2026506 PMAQI
24th Jul 2026577 PMAQI
24th Jul 2026518 PMAQI
24th Jul 2026589 PMAQI
24th Jul 20265110 PMAQI
24th Jul 20264611 PMAQI
25th Jul 20264412 AMAQI
25th Jul 2026381 AMAQI
25th Jul 2026382 AMAQI
25th Jul 2026423 AMAQI
25th Jul 2026404 AMAQI

28°C24/31°C

25th Jul 2026405 AMAQI
25th Jul 2026406 AMAQI
25th Jul 2026407 AMAQI
25th Jul 2026448 AMAQI
25th Jul 2026409 AMAQI
25th Jul 20264410 AMAQI
25th Jul 20265011 AMAQI
25th Jul 20265212 PMAQI
25th Jul 2026521 PMAQI
25th Jul 2026542 PMAQI
25th Jul 2026573 PMAQI
25th Jul 2026574 PMAQI
25th Jul 2026605 PMAQI
25th Jul 2026576 PMAQI
25th Jul 2026567 PMAQI
25th Jul 2026428 PMAQI
25th Jul 2026409 PMAQI
25th Jul 20265610 PMAQI
25th Jul 20266011 PMAQI
26th Jul 20265612 AMAQI
26th Jul 2026561 AMAQI
26th Jul 2026442 AMAQI
26th Jul 2026423 AMAQI
26th Jul 2026404 AMAQI

27°C24/31°C

26th Jul 2026515 AMAQI
26th Jul 2026546 AMAQI
26th Jul 2026517 AMAQI
26th Jul 2026518 AMAQI
26th Jul 2026489 AMAQI
26th Jul 20264010 AMAQI
26th Jul 20263811 AMAQI
26th Jul 20263312 PMAQI
26th Jul 2026331 PMAQI
26th Jul 2026292 PMAQI
26th Jul 2026333 PMAQI
26th Jul 2026254 PMAQI
26th Jul 2026295 PMAQI
26th Jul 2026276 PMAQI
26th Jul 2026297 PMAQI
26th Jul 2026298 PMAQI
26th Jul 2026319 PMAQI
26th Jul 20262910 PMAQI
26th Jul 20262711 PMAQI
27th Jul 20262712 AMAQI
27th Jul 2026271 AMAQI
27th Jul 2026252 AMAQI
27th Jul 2026273 AMAQI
27th Jul 2026274 AMAQI

27°C24/32°C

27th Jul 2026295 AMAQI
27th Jul 2026276 AMAQI
27th Jul 2026297 AMAQI
27th Jul 2026278 AMAQI
27th Jul 2026319 AMAQI
27th Jul 20263310 AMAQI
27th Jul 20264711 AMAQI
27th Jul 20265712 PMAQI
27th Jul 2026531 PMAQI
27th Jul 2026462 PMAQI
27th Jul 2026463 PMAQI
27th Jul 2026554 PMAQI
27th Jul 2026505 PMAQI
27th Jul 2026526 PMAQI
27th Jul 2026537 PMAQI
27th Jul 2026588 PMAQI
27th Jul 2026539 PMAQI
27th Jul 20265110 PMAQI
27th Jul 20264411 PMAQI
28th Jul 20265312 AMAQI
28th Jul 2026511 AMAQI
28th Jul 2026512 AMAQI
28th Jul 2026503 AMAQI
28th Jul 2026504 AMAQI

28°C25/32°C

28th Jul 2026495 AMAQI
28th Jul 2026506 AMAQI
28th Jul 2026507 AMAQI
28th Jul 2026488 AMAQI
28th Jul 2026499 AMAQI
28th Jul 20264810 AMAQI
28th Jul 20264211 AMAQI
28th Jul 20264412 PMAQI
28th Jul 2026401 PMAQI
28th Jul 2026402 PMAQI
28th Jul 2026333 PMAQI
28th Jul 2026364 PMAQI
28th Jul 2026335 PMAQI
28th Jul 2026296 PMAQI
28th Jul 2026317 PMAQI
28th Jul 2026278 PMAQI
28th Jul 2026299 PMAQI
28th Jul 20262510 PMAQI
28th Jul 20262511 PMAQI
29th Jul 20262512 AMAQI
29th Jul 2026211 AMAQI
29th Jul 2026252 AMAQI
29th Jul 2026213 AMAQI
29th Jul 2026234 AMAQI

28°C24/32°C

29th Jul 2026235 AMAQI
29th Jul 2026236 AMAQI
29th Jul 2026217 AMAQI
29th Jul 2026218 AMAQI
29th Jul 2026239 AMAQI
29th Jul 20262110 AMAQI
29th Jul 20262311 AMAQI
29th Jul 20263012 PMAQI
29th Jul 2026211 PMAQI
29th Jul 2026212 PMAQI
29th Jul 2026233 PMAQI
29th Jul 2026214 PMAQI
29th Jul 2026255 PMAQI
29th Jul 2026256 PMAQI
29th Jul 2026257 PMAQI
29th Jul 2026238 PMAQI
29th Jul 2026239 PMAQI
29th Jul 20262510 PMAQI
29th Jul 20262511 PMAQI
30th Jul 20262712 AMAQI
30th Jul 2026251 AMAQI
30th Jul 2026252 AMAQI
30th Jul 2026253 AMAQI
30th Jul 2026254 AMAQI

25°C22/28°C

30th Jul 2026255 AMAQI
30th Jul 2026256 AMAQI
30th Jul 2026257 AMAQI
30th Jul 2026238 AMAQI
30th Jul 2026219 AMAQI
30th Jul 20262310 AMAQI
30th Jul 20262311 AMAQI
30th Jul 20262512 PMAQI
30th Jul 2026251 PMAQI
30th Jul 2026252 PMAQI
30th Jul 2026253 PMAQI
30th Jul 2026254 PMAQI
30th Jul 2026255 PMAQI
30th Jul 2026276 PMAQI
30th Jul 2026277 PMAQI
30th Jul 2026258 PMAQI
30th Jul 2026259 PMAQI
30th Jul 20262710 PMAQI
30th Jul 20262511 PMAQI
31st Jul 20262512 AMAQI
31st Jul 2026251 AMAQI
31st Jul 2026252 AMAQI
31st Jul 2026213 AMAQI
31st Jul 2026214 AMAQI

28°C25/32°C

31st Jul 2026215 AMAQI
31st Jul 2026216 AMAQI
31st Jul 2026217 AMAQI
31st Jul 2026258 AMAQI
31st Jul 2026239 AMAQI
31st Jul 20262110 AMAQI
31st Jul 20262111 AMAQI
31st Jul 20262312 PMAQI
31st Jul 2026251 PMAQI
31st Jul 2026272 PMAQI
31st Jul 2026253 PMAQI
31st Jul 2026254 PMAQI
31st Jul 2026345 PMAQI
31st Jul 2026406 PMAQI
31st Jul 2026527 PMAQI
31st Jul 2026258 PMAQI
31st Jul 2026259 PMAQI
31st Jul 20262910 PMAQI
31st Jul 20262711 PMAQI
1st Aug 20262512 AMAQI
1st Aug 2026271 AMAQI
1st Aug 2026272 AMAQI
1st Aug 2026273 AMAQI
1st Aug 2026254 AMAQI

27°C23/32°C

1st Aug 2026255 AMAQI
1st Aug 2026256 AMAQI
1st Aug 2026277 AMAQI
1st Aug 2026568 AMAQI
1st Aug 2026259 AMAQI
1st Aug 20264010 AMAQI
1st Aug 20262511 AMAQI
1st Aug 20262512 PMAQI
1st Aug 2026251 PMAQI
1st Aug 2026402 PMAQI
1st Aug 2026293 PMAQI
1st Aug 2026254 PMAQI
1st Aug 2026275 PMAQI
1st Aug 2026366 PMAQI
1st Aug 2026387 PMAQI
1st Aug 2026388 PMAQI
1st Aug 2026389 PMAQI
1st Aug 20263810 PMAQI
1st Aug 20264011 PMAQI
2nd Aug 20264012 AMAQI
2nd Aug 2026401 AMAQI
2nd Aug 2026312 AMAQI
2nd Aug 2026313 AMAQI
2nd Aug 2026334 AMAQI

28°C23/32°C

2nd Aug 2026335 AMAQI
2nd Aug 2026336 AMAQI
2nd Aug 2026297 AMAQI
2nd Aug 2026338 AMAQI
2nd Aug 2026299 AMAQI
2nd Aug 20264210 AMAQI
2nd Aug 20264811 AMAQI
2nd Aug 20264212 PMAQI
2nd Aug 2026551 PMAQI
2nd Aug 2026462 PMAQI
2nd Aug 2026543 PMAQI
2nd Aug 2026484 PMAQI
2nd Aug 2026425 PMAQI
2nd Aug 2026486 PMAQI
2nd Aug 2026447 PMAQI
2nd Aug 2026488 PMAQI
2nd Aug 2026409 PMAQI
2nd Aug 20264410 PMAQI
2nd Aug 20264211 PMAQI
3rd Aug 20264212 AMAQI
3rd Aug 2026421 AMAQI
3rd Aug 2026422 AMAQI
3rd Aug 2026463 AMAQI
3rd Aug 2026464 AMAQI

29°C24/34°C

3rd Aug 2026515 AMAQI
3rd Aug 2026536 AMAQI
3rd Aug 2026487 AMAQI
3rd Aug 2026508 AMAQI
3rd Aug 2026519 AMAQI
3rd Aug 20265210 AMAQI
3rd Aug 20265211 AMAQI
3rd Aug 20264912 PMAQI
3rd Aug 2026531 PMAQI
3rd Aug 2026502 PMAQI
3rd Aug 2026543 PMAQI
3rd Aug 2026554 PMAQI
3rd Aug 2026545 PMAQI
3rd Aug 2026576 PMAQI
3rd Aug 2026547 PMAQI
3rd Aug 2026568 PMAQI
3rd Aug 2026569 PMAQI
3rd Aug 20265410 PMAQI
3rd Aug 20265511 PMAQI
4th Aug 20265312 AMAQI
4th Aug 2026551 AMAQI
4th Aug 2026572 AMAQI
4th Aug 2026533 AMAQI
4th Aug 2026554 AMAQI

28°C25/33°C

4th Aug 2026575 AMAQI
4th Aug 2026596 AMAQI
4th Aug 2026577 AMAQI
4th Aug 2026548 AMAQI
4th Aug 2026539 AMAQI
4th Aug 20265410 AMAQI
4th Aug 20265411 AMAQI
4th Aug 20265312 PMAQI
4th Aug 2026551 PMAQI
4th Aug 2026582 PMAQI
4th Aug 2026583 PMAQI
4th Aug 2026554 PMAQI
4th Aug 2026555 PMAQI
4th Aug 2026556 PMAQI
4th Aug 2026567 PMAQI
4th Aug 2026528 PMAQI
4th Aug 2026529 PMAQI
4th Aug 20264610 PMAQI
4th Aug 20264811 PMAQI
5th Aug 20264612 AMAQI
5th Aug 2026511 AMAQI
5th Aug 2026532 AMAQI
5th Aug 2026423 AMAQI
5th Aug 2026404 AMAQI

27°C24/30°C

5th Aug 2026385 AMAQI
5th Aug 2026386 AMAQI
5th Aug 2026337 AMAQI
5th Aug 2026338 AMAQI
5th Aug 2026349 AMAQI
5th Aug 20263410 AMAQI
5th Aug 20263311 AMAQI
5th Aug 20263312 PMAQI
5th Aug 2026421 PMAQI
5th Aug 2026362 PMAQI
5th Aug 2026363 PMAQI
5th Aug 2026334 PMAQI
5th Aug 2026315 PMAQI
5th Aug 2026336 PMAQI
5th Aug 2026317 PMAQI
5th Aug 2026348 PMAQI
5th Aug 2026339 PMAQI
5th Aug 20263310 PMAQI
5th Aug 20262911 PMAQI
6th Aug 20263112 AMAQI
6th Aug 2026291 AMAQI
6th Aug 2026312 AMAQI
6th Aug 2026313 AMAQI
6th Aug 2026314 AMAQI

27°C24/31°C

6th Aug 2026315 AMAQI
6th Aug 2026296 AMAQI
6th Aug 2026317 AMAQI
6th Aug 2026318 AMAQI
6th Aug 2026299 AMAQI
6th Aug 20262910 AMAQI
6th Aug 20262911 AMAQI
6th Aug 20262712 PMAQI
6th Aug 2026271 PMAQI
6th Aug 2026232 PMAQI
6th Aug 2026253 PMAQI
6th Aug 2026254 PMAQI
6th Aug 2026275 PMAQI
6th Aug 2026296 PMAQI
6th Aug 2026297 PMAQI
6th Aug 2026278 PMAQI
6th Aug 2026259 PMAQI
6th Aug 20262710 PMAQI
6th Aug 20262511 PMAQI
7th Aug 20262312 AMAQI
7th Aug 2026211 AMAQI
7th Aug 2026232 AMAQI
7th Aug 2026233 AMAQI
7th Aug 2026234 AMAQI

27°C23/33°C

7th Aug 2026235 AMAQI
7th Aug 2026216 AMAQI
7th Aug 2026217 AMAQI
7th Aug 2026238 AMAQI
7th Aug 2026219 AMAQI
7th Aug 20262110 AMAQI
7th Aug 20262111 AMAQI
7th Aug 20262112 PMAQI
7th Aug 2026321 PMAQI
7th Aug 2026382 PMAQI
7th Aug 2026213 PMAQI
7th Aug 2026214 PMAQI
7th Aug 2026255 PMAQI
7th Aug 2026256 PMAQI
7th Aug 2026257 PMAQI
7th Aug 2026218 PMAQI
7th Aug 2026259 PMAQI
7th Aug 20262110 PMAQI
7th Aug 20262511 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 2026256 AMAQI
8th Aug 2026257 AMAQI
8th Aug 2026258 AMAQI
8th Aug 2026219 AMAQI
8th Aug 20262110 AMAQI
8th Aug 20262511 AMAQI
8th Aug 20262912 PMAQI
8th Aug 2026291 PMAQI
8th Aug 2026292 PMAQI
8th Aug 2026253 PMAQI
8th Aug 2026294 PMAQI
8th Aug 2026255 PMAQI
8th Aug 2026216 PMAQI
8th Aug 2026217 PMAQI
8th Aug 2026238 PMAQI
8th Aug 2026219 PMAQI
8th Aug 20262110 PMAQI
8th Aug 20262111 PMAQI
9th Aug 20262912 AMAQI
9th Aug 2026251 AMAQI
9th Aug 2026232 AMAQI
9th Aug 2026233 AMAQI
9th Aug 2026294 AMAQI

27°C24/31°C

9th Aug 2026215 AMAQI
9th Aug 2026256 AMAQI
9th Aug 2026217 AMAQI
9th Aug 2026258 AMAQI
9th Aug 2026259 AMAQI
9th Aug 20262110 AMAQI
9th Aug 20262111 AMAQI
9th Aug 20262112 PMAQI
9th Aug 2026211 PMAQI
9th Aug 2026232 PMAQI
9th Aug 2026213 PMAQI
9th Aug 2026234 PMAQI
9th Aug 2026215 PMAQI
9th Aug 2026216 PMAQI
9th Aug 2026257 PMAQI
9th Aug 2026258 PMAQI
9th Aug 2026259 PMAQI
9th Aug 20262910 PMAQI
9th Aug 20263311 PMAQI
10th Aug 20262912 AMAQI
10th Aug 2026291 AMAQI
10th Aug 2026292 AMAQI
10th Aug 2026293 AMAQI
10th Aug 2026294 AMAQI

27°C23/30°C

10th Aug 2026295 AMAQI
10th Aug 2026316 AMAQI
10th Aug 2026297 AMAQI
10th Aug 2026298 AMAQI
10th Aug 2026299 AMAQI
10th Aug 20262510 AMAQI
10th Aug 20263111 AMAQI
10th Aug 20263812 PMAQI
10th Aug 2026381 PMAQI
10th Aug 2026382 PMAQI
10th Aug 2026383 PMAQI
10th Aug 2026404 PMAQI
10th Aug 2026425 PMAQI
10th Aug 2026386 PMAQI
10th Aug 2026427 PMAQI
10th Aug 2026388 PMAQI
10th Aug 2026389 PMAQI
10th Aug 20264210 PMAQI
10th Aug 20264211 PMAQI
11th Aug 20264012 AMAQI
11th Aug 2026381 AMAQI
11th Aug 2026382 AMAQI
11th Aug 2026383 AMAQI
11th Aug 2026364 AMAQI

27°C24/31°C

11th Aug 2026335 AMAQI
11th Aug 2026336 AMAQI
11th Aug 2026317 AMAQI
11th Aug 2026388 AMAQI
11th Aug 2026319 AMAQI
11th Aug 20263310 AMAQI
11th Aug 20263411 AMAQI
11th Aug 20263612 PMAQI
11th Aug 2026331 PMAQI
11th Aug 2026312 PMAQI
11th Aug 2026293 PMAQI
11th Aug 2026274 PMAQI
11th Aug 2026255 PMAQI
11th Aug 2026256 PMAQI
11th Aug 2026277 PMAQI
11th Aug 2026278 PMAQI
11th Aug 2026259 PMAQI
11th Aug 20262510 PMAQI
11th Aug 20262511 PMAQI
12th Aug 20262312 AMAQI
12th Aug 2026211 AMAQI
12th Aug 2026232 AMAQI
12th Aug 2026213 AMAQI
12th Aug 2026214 AMAQI

26°C21/31°C

12th Aug 2026235 AMAQI
12th Aug 2026216 AMAQI
12th Aug 2026237 AMAQI
12th Aug 2026218 AMAQI
12th Aug 2026219 AMAQI
12th Aug 20262510 AMAQI
12th Aug 20262311 AMAQI
12th Aug 20262112 PMAQI
12th Aug 2026211 PMAQI
12th Aug 2026212 PMAQI
12th Aug 2026213 PMAQI
12th Aug 2026214 PMAQI
12th Aug 2026215 PMAQI
12th Aug 2026216 PMAQI
12th Aug 2026217 PMAQI
12th Aug 2026258 PMAQI
12th Aug 2026259 PMAQI
12th Aug 20262110 PMAQI
12th Aug 20262111 PMAQI
13th Aug 20262112 AMAQI
13th Aug 2026211 AMAQI
13th Aug 2026212 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 2026219 AMAQI
13th Aug 20262110 AMAQI
13th Aug 20262311 AMAQI
13th Aug 20262512 PMAQI
13th Aug 2026211 PMAQI
13th Aug 2026232 PMAQI
13th Aug 2026253 PMAQI
13th Aug 2026274 PMAQI
13th Aug 2026275 PMAQI
13th Aug 2026296 PMAQI
13th Aug 2026257 PMAQI
13th Aug 2026258 PMAQI
13th Aug 2026299 PMAQI
13th Aug 20262710 PMAQI
13th Aug 20262911 PMAQI
14th Aug 20262912 AMAQI
14th Aug 2026291 AMAQI
14th Aug 2026332 AMAQI
14th Aug 2026313 AMAQI
14th Aug 2026314 AMAQI

25°C22/29°C

14th Aug 2026335 AMAQI
14th Aug 2026386 AMAQI
14th Aug 2026387 AMAQI
14th Aug 2026368 AMAQI
14th Aug 2026389 AMAQI
14th Aug 20264210 AMAQI
14th Aug 20264211 AMAQI
14th Aug 20264412 PMAQI
14th Aug 2026481 PMAQI
14th Aug 2026482 PMAQI
14th Aug 2026503 PMAQI
14th Aug 2026464 PMAQI
14th Aug 2026425 PMAQI
14th Aug 2026386 PMAQI
14th Aug 2026387 PMAQI
14th Aug 2026388 PMAQI
14th Aug 2026369 PMAQI
14th Aug 20263110 PMAQI
14th Aug 20263111 PMAQI
15th Aug 20263312 AMAQI
15th Aug 2026331 AMAQI
15th Aug 2026292 AMAQI
15th Aug 2026293 AMAQI
15th Aug 2026314 AMAQI

25°C21/28°C

15th Aug 2026315 AMAQI
5 AM
15th Aug 2026296 AMAQI
15th Aug 2026297 AMAQI
15th Aug 2026278 AMAQI
15th Aug 2026259 AMAQI
15th Aug 20262710 AMAQI
15th Aug 20262511 AMAQI
15th Aug 20266212 PMAQI
12 PM
15th Aug 2026761 PMAQI
15th Aug 2026252 PMAQI
15th Aug 2026253 PMAQI
15th Aug 2026194 PMAQI
15th Aug 2026235 PMAQI
15th Aug 2026296 PMAQI
15th Aug 2026187 PMAQI
7 PM
15th Aug 2026308 PMAQI
15th Aug 2026509 PMAQI
15th Aug 20264210 PMAQI
15th Aug 20263611 PMAQI
12 AM
4 AM

25°C22/29°C

Day time
Avg. Highest Time
1 PM

42AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
9 AM - 12 PM

38AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 1 PM (Avg. 42), while the lowest AQI was between 9 AM to 12 PM (Avg. 38).
Night time
Avg. Highest Time
8 PM - 11 PM

39AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
12 AM - 4 AM

38AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 11 PM (Avg. 39), while the lowest AQI was between 12 AM to 4 AM (Avg. 38).

2026 Days Vs Air Quality

Tomihisamachi, Matsuyama, Ehime, Japan

2026

85%

193

15%

34

Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)

Good
193 Days
Moderate
34 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 227 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

Tomihisamachi, 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
45AQI (US)
6th January 2026
27AQI (US)
7th January 2026
32AQI (US)
8th January 2026
45AQI (US)
9th January 2026
25AQI (US)
10th January 2026
37AQI (US)
11th January 2026
32AQI (US)
12th January 2026
26AQI (US)
13th January 2026
31AQI (US)
14th January 2026
22AQI (US)
15th January 2026
40AQI (US)
16th January 2026
55AQI (US)
17th January 2026
47AQI (US)
18th January 2026
54AQI (US)
19th January 2026
60AQI (US)
20th January 2026
33AQI (US)
21st January 2026
15AQI (US)
22nd January 2026
23AQI (US)
23rd January 2026
35AQI (US)
24th January 2026
42AQI (US)
25th January 2026
39AQI (US)
26th January 2026
19AQI (US)
27th January 2026
41AQI (US)
28th January 2026
27AQI (US)
29th January 2026
30AQI (US)
30th January 2026
16AQI (US)
31st January 2026
15AQI (US)
1st February 2026
39AQI (US)
2nd February 2026
45AQI (US)
3rd February 2026
32AQI (US)
4th February 2026
31AQI (US)
5th February 2026
37AQI (US)
6th February 2026
43AQI (US)
7th February 2026
28AQI (US)
8th February 2026
21AQI (US)
9th February 2026
36AQI (US)
10th February 2026
40AQI (US)
11th February 2026
39AQI (US)
12th February 2026
37AQI (US)
13th February 2026
33AQI (US)
14th February 2026
53AQI (US)
15th February 2026
51AQI (US)
16th February 2026
50AQI (US)
17th February 2026
22AQI (US)
18th February 2026
25AQI (US)
19th February 2026
44AQI (US)
20th February 2026
29AQI (US)
21st February 2026
60AQI (US)
22nd February 2026
29AQI (US)
23rd February 2026
46AQI (US)
24th February 2026
27AQI (US)
25th February 2026
19AQI (US)
26th February 2026
24AQI (US)
27th February 2026
50AQI (US)
28th February 2026
32AQI (US)
1st March 2026
36AQI (US)
2nd March 2026
59AQI (US)
3rd March 2026
39AQI (US)
4th March 2026
26AQI (US)
5th March 2026
47AQI (US)
6th March 2026
50AQI (US)
7th March 2026
50AQI (US)
8th March 2026
27AQI (US)
9th March 2026
35AQI (US)
10th March 2026
38AQI (US)
11th March 2026
51AQI (US)
12th March 2026
57AQI (US)
13th March 2026
37AQI (US)
14th March 2026
44AQI (US)
15th March 2026
59AQI (US)
16th March 2026
50AQI (US)
17th March 2026
43AQI (US)
18th March 2026
53AQI (US)
19th March 2026
36AQI (US)
20th March 2026
51AQI (US)
21st March 2026
41AQI (US)
22nd March 2026
47AQI (US)
23rd March 2026
31AQI (US)
24th March 2026
47AQI (US)
25th March 2026
37AQI (US)
26th March 2026
18AQI (US)
27th March 2026
33AQI (US)
28th March 2026
57AQI (US)
29th March 2026
62AQI (US)
30th March 2026
66AQI (US)
31st March 2026
20AQI (US)
1st April 2026
13AQI (US)
2nd April 2026
48AQI (US)
3rd April 2026
50AQI (US)
4th April 2026
42AQI (US)
5th April 2026
39AQI (US)
6th April 2026
48AQI (US)
7th April 2026
29AQI (US)
8th April 2026
25AQI (US)
9th April 2026
36AQI (US)
10th April 2026
27AQI (US)
11th April 2026
31AQI (US)
12th April 2026
31AQI (US)
13th April 2026
35AQI (US)
14th April 2026
44AQI (US)
15th April 2026
54AQI (US)
16th April 2026
18AQI (US)
17th April 2026
30AQI (US)
18th April 2026
30AQI (US)
19th April 2026
31AQI (US)
20th April 2026
36AQI (US)
21st April 2026
38AQI (US)
22nd April 2026
45AQI (US)
23rd April 2026
31AQI (US)
24th April 2026
21AQI (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
50AQI (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
29AQI (US)
12th May 2026
27AQI (US)
13th May 2026
37AQI (US)
14th May 2026
30AQI (US)
15th May 2026
34AQI (US)
16th May 2026
78AQI (US)
17th May 2026
63AQI (US)
18th May 2026
54AQI (US)
19th May 2026
46AQI (US)
20th May 2026
61AQI (US)
21st May 2026
65AQI (US)
22nd May 2026
68AQI (US)
23rd May 2026
61AQI (US)
24th May 2026
62AQI (US)
25th May 2026
54AQI (US)
26th May 2026
42AQI (US)
27th May 2026
25AQI (US)
28th May 2026
27AQI (US)
29th May 2026
25AQI (US)
30th May 2026
25AQI (US)
31st May 2026
27AQI (US)
1st June 2026
28AQI (US)
2nd June 2026
25AQI (US)
3rd June 2026
28AQI (US)
4th June 2026
25AQI (US)
5th June 2026
23AQI (US)
6th June 2026
25AQI (US)
7th June 2026
22AQI (US)
8th June 2026
19AQI (US)
9th June 2026
24AQI (US)
10th June 2026
23AQI (US)
11th June 2026
26AQI (US)
12th June 2026
26AQI (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
40AQI (US)
21st June 2026
22AQI (US)
22nd June 2026
20AQI (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
20AQI (US)
3rd July 2026
28AQI (US)
4th July 2026
25AQI (US)
5th July 2026
21AQI (US)
6th July 2026
21AQI (US)
7th July 2026
25AQI (US)
8th July 2026
25AQI (US)
9th July 2026
25AQI (US)
10th July 2026
27AQI (US)
11th July 2026
28AQI (US)
12th July 2026
26AQI (US)
13th July 2026
27AQI (US)
14th July 2026
27AQI (US)
15th July 2026
26AQI (US)
16th July 2026
26AQI (US)
17th July 2026
35AQI (US)
18th July 2026
56AQI (US)
19th July 2026
59AQI (US)
20th July 2026
57AQI (US)
21st July 2026
56AQI (US)
22nd July 2026
57AQI (US)
23rd July 2026
49AQI (US)
24th July 2026
51AQI (US)
25th July 2026
48AQI (US)
26th July 2026
39AQI (US)
27th July 2026
41AQI (US)
28th July 2026
41AQI (US)
29th July 2026
23AQI (US)
30th July 2026
25AQI (US)
31st July 2026
26AQI (US)
1st August 2026
31AQI (US)
2nd August 2026
41AQI (US)
3rd August 2026
51AQI (US)
4th August 2026
54AQI (US)
5th August 2026
37AQI (US)
6th August 2026
28AQI (US)
7th August 2026
24AQI (US)
8th August 2026
24AQI (US)
9th August 2026
24AQI (US)
10th August 2026
34AQI (US)
11th August 2026
32AQI (US)
12th August 2026
22AQI (US)
13th August 2026
24AQI (US)
14th August 2026
38AQI (US)
15th August 2026
33AQI (US)
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)

37AQI (US)

43AQI (US)

37AQI (US)

41AQI (US)

26AQI (US)

35AQI (US)

33AQI (US)

No. of days

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

202636AQI (US)

28
3
25
3
22
9
28
2
22
9
30
25
6
13
2
193
34

Highest AQI (US) recorded in

March

43AQI (US)

Lowest AQI (US) recorded in

June

26AQI (US)

202546AQI (US)

28
3
25
3
20
11
20
10
22
9
14
16
15
15
1
30
1
30
11
20
11
19
22
9
248
116
1

Highest AQI (US) recorded in

July

54AQI (US)

Lowest AQI (US) recorded in

September

32AQI (US)

202437AQI (US)

30
1
25
4
28
3
22
8
22
9
27
3
30
1
23
8
26
4
30
1
27
3
31
321
45

Highest AQI (US) recorded in

April

47AQI (US)

Lowest AQI (US) recorded in

December

31AQI (US)

202338AQI (US)

25
5
28
24
7
15
10
25
6
20
10
28
3
31
28
2
27
4
25
4
28
3
304
54

Highest AQI (US) recorded in

April

48AQI (US)

Lowest AQI (US) recorded in

August

28AQI (US)

202243AQI (US)

24
6
15
7
9
22
19
10
17
14
22
8
17
4
1
26
2
29
2
26
4
30
1
235
80

Highest AQI (US) recorded in

March

55AQI (US)

Lowest AQI (US) recorded in

December

33AQI (US)

202149AQI (US)

21
9
16
12
10
19
12
9
13
18
8
22
17
14
25
6
16
14
20
11
20
10
24
7
202
151

Highest AQI (US) recorded in

June

61AQI (US)

Lowest AQI (US) recorded in

August

42AQI (US)

202049AQI (US)

4
9
11
10
6
12
12
18
23
8
13
13
5
15
4
24
7
21
9
21
10
150
100
5

Highest AQI (US) recorded in

August

66AQI (US)

Lowest AQI (US) recorded in

December

42AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2021(Avg.)
49AQI (US)
Least Polluted Year Recorded
2026(Avg.)
36AQI (US)

Tomihisamachi's annual 2026 AQI (US) (36) shows an average percentage change of -16.5% (improved AQI (US)) compared to previous years: 2020 (49), 2021 (49), 2022 (43), 2023 (38), 2024 (37), 2025 (46).