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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Kojimamachi, Himi, Toyama, 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

Kojimamachi, Himi, Toyama, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
26th Aug 2025
56AQI
Lowest AQI recorded on
16th Aug 2023
20AQI

Same Day Analysis (14th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 26 of Good air quality, showing improvement over 2025 on the same day.

Day & Night AQI Trend: 13th Aug - 14th Aug 2026

Kojimamachi, Himi, Toyama, Japan

AQI
Day
Night
.

4 AM13th Aug 2026

7 PM

3 AM14th Aug 2026

Day time
Avg. Highest Time
1PM13th Aug

25AQI

Avg. Lowest Time
5PM13th Aug

21AQI

Night time
Avg. Highest Time
11PM13th Aug

34AQI

Avg. Lowest Time
12AM14th Aug

21AQI

In the last 24 hours,

Kojimamachi's AQI reached its highest point of 34 at 11 PM during the Night, while the lowest point, 21, was recorded at 12 AM during the Night between 13th Aug and 14th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Kojimamachi, Himi, Toyama, Japan

JulAug
16th - 17th17th - 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
Day
Night
16th Jul 2026314 AMAQI
16th Jul 2026295 AMAQI
16th Jul 2026316 AMAQI
16th Jul 2026287 AMAQI
16th Jul 2026368 AMAQI
16th Jul 2026299 AMAQI
16th Jul 20263810 AMAQI
16th Jul 20263611 AMAQI
16th Jul 20264012 PMAQI
16th Jul 2026461 PMAQI
16th Jul 2026522 PMAQI
16th Jul 2026643 PMAQI
16th Jul 2026464 PMAQI
16th Jul 2026515 PMAQI
16th Jul 2026546 PMAQI
16th Jul 2026647 PMAQI
16th Jul 2026568 PMAQI
16th Jul 2026539 PMAQI
16th Jul 20265010 PMAQI
16th Jul 20264411 PMAQI
17th Jul 20263812 AMAQI
17th Jul 2026381 AMAQI
17th Jul 2026312 AMAQI
17th Jul 2026463 AMAQI

26°C23/30°C

17th Jul 2026274 AMAQI
17th Jul 2026485 AMAQI
17th Jul 2026276 AMAQI
17th Jul 2026297 AMAQI
17th Jul 2026288 AMAQI
17th Jul 2026299 AMAQI
17th Jul 20263110 AMAQI
17th Jul 20263311 AMAQI
17th Jul 20263812 PMAQI
17th Jul 2026341 PMAQI
17th Jul 2026242 PMAQI
17th Jul 2026253 PMAQI
17th Jul 2026404 PMAQI
17th Jul 2026425 PMAQI
17th Jul 2026406 PMAQI
17th Jul 2026337 PMAQI
17th Jul 2026408 PMAQI
17th Jul 2026369 PMAQI
17th Jul 20263810 PMAQI
17th Jul 20264211 PMAQI
18th Jul 20263112 AMAQI
18th Jul 2026291 AMAQI
18th Jul 2026312 AMAQI
18th Jul 2026313 AMAQI

26°C23/29°C

18th Jul 2026314 AMAQI
18th Jul 2026335 AMAQI
18th Jul 2026316 AMAQI
18th Jul 2026337 AMAQI
18th Jul 2026388 AMAQI
18th Jul 2026469 AMAQI
18th Jul 20263810 AMAQI
18th Jul 20264411 AMAQI
18th Jul 20264212 PMAQI
18th Jul 2026361 PMAQI
18th Jul 2026402 PMAQI
18th Jul 2026403 PMAQI
18th Jul 2026484 PMAQI
18th Jul 2026425 PMAQI
18th Jul 2026466 PMAQI
18th Jul 2026517 PMAQI
18th Jul 2026498 PMAQI
18th Jul 2026529 PMAQI
18th Jul 20264610 PMAQI
18th Jul 20264611 PMAQI
19th Jul 20264412 AMAQI
19th Jul 2026421 AMAQI
19th Jul 2026402 AMAQI
19th Jul 2026383 AMAQI

26°C23/31°C

19th Jul 2026384 AMAQI
19th Jul 2026365 AMAQI
19th Jul 2026336 AMAQI
19th Jul 2026387 AMAQI
19th Jul 2026408 AMAQI
19th Jul 2026389 AMAQI
19th Jul 20263810 AMAQI
19th Jul 20263611 AMAQI
19th Jul 20263312 PMAQI
19th Jul 2026291 PMAQI
19th Jul 2026402 PMAQI
19th Jul 2026503 PMAQI
19th Jul 2026504 PMAQI
19th Jul 2026505 PMAQI
19th Jul 2026556 PMAQI
19th Jul 2026547 PMAQI
19th Jul 2026588 PMAQI
19th Jul 2026629 PMAQI
19th Jul 20266910 PMAQI
19th Jul 20266611 PMAQI
20th Jul 20266012 AMAQI
20th Jul 2026641 AMAQI
20th Jul 2026592 AMAQI
20th Jul 2026573 AMAQI

27°C24/32°C

20th Jul 2026604 AMAQI
20th Jul 2026575 AMAQI
20th Jul 2026566 AMAQI
20th Jul 2026577 AMAQI
20th Jul 2026568 AMAQI
20th Jul 2026599 AMAQI
20th Jul 20265510 AMAQI
20th Jul 20265411 AMAQI
20th Jul 20265212 PMAQI
20th Jul 2026521 PMAQI
20th Jul 2026462 PMAQI
20th Jul 2026493 PMAQI
20th Jul 2026554 PMAQI
20th Jul 2026555 PMAQI
20th Jul 2026586 PMAQI
20th Jul 2026627 PMAQI
20th Jul 2026628 PMAQI
20th Jul 2026659 PMAQI
20th Jul 20266610 PMAQI
20th Jul 20266811 PMAQI
21st Jul 20266412 AMAQI
21st Jul 2026671 AMAQI
21st Jul 2026692 AMAQI
21st Jul 2026693 AMAQI

28°C24/32°C

21st Jul 2026644 AMAQI
21st Jul 2026635 AMAQI
21st Jul 2026646 AMAQI
21st Jul 2026647 AMAQI
21st Jul 2026628 AMAQI
21st Jul 2026689 AMAQI
21st Jul 20266810 AMAQI
21st Jul 20266411 AMAQI
21st Jul 2026671 PMAQI
21st Jul 2026692 PMAQI
21st Jul 2026703 PMAQI
21st Jul 2026694 PMAQI
21st Jul 2026685 PMAQI
21st Jul 2026646 PMAQI
21st Jul 2026987 PMAQI
21st Jul 2026598 PMAQI
21st Jul 2026509 PMAQI
21st Jul 20265110 PMAQI
21st Jul 20265211 PMAQI
22nd Jul 20265312 AMAQI
22nd Jul 2026531 AMAQI
22nd Jul 2026522 AMAQI
22nd Jul 2026523 AMAQI

27°C24/32°C

22nd Jul 2026504 AMAQI
22nd Jul 2026515 AMAQI
22nd Jul 2026536 AMAQI
22nd Jul 2026537 AMAQI
22nd Jul 2026558 AMAQI
22nd Jul 2026659 AMAQI
22nd Jul 20266810 AMAQI
22nd Jul 20267111 AMAQI
22nd Jul 20267112 PMAQI
22nd Jul 2026731 PMAQI
22nd Jul 2026732 PMAQI
22nd Jul 2026723 PMAQI
22nd Jul 2026664 PMAQI
22nd Jul 2026675 PMAQI
22nd Jul 2026636 PMAQI
22nd Jul 2026647 PMAQI
22nd Jul 2026598 PMAQI
22nd Jul 2026549 PMAQI
22nd Jul 20265010 PMAQI
22nd Jul 20264611 PMAQI
23rd Jul 20263312 AMAQI
23rd Jul 2026381 AMAQI
23rd Jul 2026382 AMAQI
23rd Jul 2026333 AMAQI

27°C24/32°C

23rd Jul 2026334 AMAQI
23rd Jul 2026315 AMAQI
23rd Jul 2026296 AMAQI
23rd Jul 2026367 AMAQI
23rd Jul 2026368 AMAQI
23rd Jul 2026529 AMAQI
23rd Jul 20264010 AMAQI
23rd Jul 20263111 AMAQI
23rd Jul 20263312 PMAQI
23rd Jul 2026311 PMAQI
23rd Jul 2026402 PMAQI
23rd Jul 2026363 PMAQI
23rd Jul 2026314 PMAQI
23rd Jul 2026315 PMAQI
23rd Jul 2026316 PMAQI
23rd Jul 2026317 PMAQI
23rd Jul 2026368 PMAQI
23rd Jul 2026369 PMAQI
23rd Jul 20263310 PMAQI
23rd Jul 20263111 PMAQI
24th Jul 20263312 AMAQI
24th Jul 2026291 AMAQI
24th Jul 2026272 AMAQI
24th Jul 2026293 AMAQI

27°C24/31°C

24th Jul 2026334 AMAQI
24th Jul 2026295 AMAQI
24th Jul 2026296 AMAQI
24th Jul 2026277 AMAQI
24th Jul 2026258 AMAQI
24th Jul 2026299 AMAQI
24th Jul 20262710 AMAQI
24th Jul 20262511 AMAQI
24th Jul 20262912 PMAQI
24th Jul 2026291 PMAQI
24th Jul 2026252 PMAQI
24th Jul 2026293 PMAQI
24th Jul 2026274 PMAQI
24th Jul 2026315 PMAQI
24th Jul 2026316 PMAQI
24th Jul 2026427 PMAQI
24th Jul 2026408 PMAQI
24th Jul 2026509 PMAQI
24th Jul 20264010 PMAQI
24th Jul 20264411 PMAQI
25th Jul 20264412 AMAQI
25th Jul 2026441 AMAQI
25th Jul 2026402 AMAQI
25th Jul 2026403 AMAQI

27°C23/32°C

25th Jul 2026444 AMAQI
25th Jul 2026365 AMAQI
25th Jul 2026296 AMAQI
25th Jul 2026317 AMAQI
25th Jul 2026388 AMAQI
25th Jul 2026449 AMAQI
25th Jul 20264210 AMAQI
25th Jul 20264211 AMAQI
25th Jul 20264212 PMAQI
25th Jul 2026461 PMAQI
25th Jul 2026382 PMAQI
25th Jul 2026363 PMAQI
25th Jul 2026404 PMAQI
25th Jul 2026365 PMAQI
25th Jul 2026386 PMAQI
25th Jul 2026337 PMAQI
25th Jul 2026368 PMAQI
25th Jul 2026299 PMAQI
25th Jul 20262710 PMAQI
25th Jul 20262911 PMAQI
26th Jul 20263112 AMAQI
26th Jul 2026271 AMAQI
26th Jul 2026292 AMAQI
26th Jul 2026253 AMAQI

27°C24/31°C

26th Jul 2026254 AMAQI
26th Jul 2026255 AMAQI
26th Jul 2026256 AMAQI
26th Jul 2026237 AMAQI
26th Jul 2026218 AMAQI
26th Jul 2026239 AMAQI
26th Jul 20262510 AMAQI
26th Jul 20262111 AMAQI
26th Jul 20262112 PMAQI
26th Jul 2026211 PMAQI
26th Jul 2026252 PMAQI
26th Jul 2026253 PMAQI
26th Jul 2026294 PMAQI
26th Jul 2026255 PMAQI
26th Jul 2026216 PMAQI
26th Jul 2026257 PMAQI
26th Jul 2026218 PMAQI
26th Jul 2026259 PMAQI
26th Jul 20262510 PMAQI
26th Jul 20262111 PMAQI
27th Jul 20262512 AMAQI
27th Jul 2026251 AMAQI
27th Jul 2026252 AMAQI
27th Jul 2026253 AMAQI

24°C22/26°C

27th Jul 2026254 AMAQI
27th Jul 2026235 AMAQI
27th Jul 2026216 AMAQI
27th Jul 2026217 AMAQI
27th Jul 2026238 AMAQI
27th Jul 2026219 AMAQI
27th Jul 20262110 AMAQI
27th Jul 20263111 AMAQI
27th Jul 20262112 PMAQI
27th Jul 2026211 PMAQI
27th Jul 2026252 PMAQI
27th Jul 2026253 PMAQI
27th Jul 2026334 PMAQI
27th Jul 2026215 PMAQI
27th Jul 2026296 PMAQI
27th Jul 2026317 PMAQI
27th Jul 2026298 PMAQI
27th Jul 2026259 PMAQI
27th Jul 20262510 PMAQI
27th Jul 20262911 PMAQI
28th Jul 20263312 AMAQI
28th Jul 2026251 AMAQI
28th Jul 2026382 AMAQI
28th Jul 2026293 AMAQI

25°C22/29°C

28th Jul 2026384 AMAQI
28th Jul 2026255 AMAQI
28th Jul 2026296 AMAQI
28th Jul 2026297 AMAQI
28th Jul 2026298 AMAQI
28th Jul 2026299 AMAQI
28th Jul 20262510 AMAQI
28th Jul 20262511 AMAQI
28th Jul 20263812 PMAQI
28th Jul 2026291 PMAQI
28th Jul 2026292 PMAQI
28th Jul 2026253 PMAQI
28th Jul 2026214 PMAQI
28th Jul 2026335 PMAQI
28th Jul 2026256 PMAQI
28th Jul 2026297 PMAQI
28th Jul 2026298 PMAQI
28th Jul 2026299 PMAQI
28th Jul 20262510 PMAQI
28th Jul 20262511 PMAQI
29th Jul 20262312 AMAQI
29th Jul 2026211 AMAQI
29th Jul 2026292 AMAQI
29th Jul 2026253 AMAQI

23°C22/26°C

29th Jul 2026254 AMAQI
29th Jul 2026255 AMAQI
29th Jul 2026216 AMAQI
29th Jul 2026257 AMAQI
29th Jul 2026298 AMAQI
29th Jul 2026299 AMAQI
29th Jul 20262510 AMAQI
29th Jul 20262511 AMAQI
29th Jul 20262912 PMAQI
29th Jul 2026251 PMAQI
29th Jul 2026252 PMAQI
29th Jul 2026253 PMAQI
29th Jul 2026274 PMAQI
29th Jul 2026215 PMAQI
29th Jul 2026256 PMAQI
29th Jul 2026257 PMAQI
29th Jul 2026218 PMAQI
29th Jul 2026339 PMAQI
29th Jul 20262510 PMAQI
29th Jul 20262911 PMAQI
30th Jul 20262712 AMAQI
30th Jul 2026231 AMAQI
30th Jul 2026252 AMAQI
30th Jul 2026273 AMAQI

24°C22/28°C

30th Jul 2026294 AMAQI
30th Jul 2026295 AMAQI
30th Jul 2026296 AMAQI
30th Jul 2026297 AMAQI
30th Jul 2026318 AMAQI
30th Jul 2026339 AMAQI
30th Jul 20263310 AMAQI
30th Jul 20263811 AMAQI
30th Jul 20263612 PMAQI
30th Jul 2026441 PMAQI
30th Jul 2026422 PMAQI
30th Jul 2026423 PMAQI
30th Jul 2026404 PMAQI
30th Jul 2026445 PMAQI
30th Jul 2026426 PMAQI
30th Jul 2026427 PMAQI
30th Jul 2026468 PMAQI
30th Jul 2026429 PMAQI
30th Jul 20264010 PMAQI
30th Jul 20264211 PMAQI
31st Jul 20264212 AMAQI
31st Jul 2026421 AMAQI
31st Jul 2026402 AMAQI
31st Jul 2026293 AMAQI

26°C22/30°C

31st Jul 2026404 AMAQI
31st Jul 2026335 AMAQI
31st Jul 2026386 AMAQI
31st Jul 2026387 AMAQI
31st Jul 2026428 AMAQI
31st Jul 2026429 AMAQI
31st Jul 20263310 AMAQI
31st Jul 20264211 AMAQI
31st Jul 20264412 PMAQI
31st Jul 2026461 PMAQI
31st Jul 2026482 PMAQI
31st Jul 2026333 PMAQI
31st Jul 2026504 PMAQI
31st Jul 2026335 PMAQI
31st Jul 2026296 PMAQI
31st Jul 2026337 PMAQI
31st Jul 2026338 PMAQI
31st Jul 2026389 PMAQI
31st Jul 20263110 PMAQI
31st Jul 20263311 PMAQI
1st Aug 20263312 AMAQI
1st Aug 2026331 AMAQI
1st Aug 2026312 AMAQI
1st Aug 2026293 AMAQI

27°C24/30°C

1st Aug 2026314 AMAQI
1st Aug 2026335 AMAQI
1st Aug 2026316 AMAQI
1st Aug 2026297 AMAQI
1st Aug 2026338 AMAQI
1st Aug 2026389 AMAQI
1st Aug 20263310 AMAQI
1st Aug 20263111 AMAQI
1st Aug 20263612 PMAQI
1st Aug 2026331 PMAQI
1st Aug 2026332 PMAQI
1st Aug 2026363 PMAQI
1st Aug 2026364 PMAQI
1st Aug 2026385 PMAQI
1st Aug 2026386 PMAQI
1st Aug 2026427 PMAQI
1st Aug 2026388 PMAQI
1st Aug 2026369 PMAQI
1st Aug 20264010 PMAQI
1st Aug 20263811 PMAQI
2nd Aug 20263812 AMAQI
2nd Aug 2026401 AMAQI
2nd Aug 2026402 AMAQI
2nd Aug 2026363 AMAQI

27°C24/30°C

2nd Aug 2026364 AMAQI
2nd Aug 2026405 AMAQI
2nd Aug 2026386 AMAQI
2nd Aug 2026387 AMAQI
2nd Aug 2026388 AMAQI
2nd Aug 2026409 AMAQI
2nd Aug 20264010 AMAQI
2nd Aug 20264011 AMAQI
2nd Aug 20264212 PMAQI
2nd Aug 2026421 PMAQI
2nd Aug 2026442 PMAQI
2nd Aug 2026443 PMAQI
2nd Aug 2026504 PMAQI
2nd Aug 2026445 PMAQI
2nd Aug 2026466 PMAQI
2nd Aug 2026447 PMAQI
2nd Aug 2026408 PMAQI
2nd Aug 2026429 PMAQI
2nd Aug 20263810 PMAQI
2nd Aug 20263611 PMAQI
3rd Aug 20263312 AMAQI
3rd Aug 2026311 AMAQI
3rd Aug 2026292 AMAQI
3rd Aug 2026293 AMAQI

27°C24/32°C

3rd Aug 2026294 AMAQI
3rd Aug 2026275 AMAQI
3rd Aug 2026296 AMAQI
3rd Aug 2026297 AMAQI
3rd Aug 2026338 AMAQI
3rd Aug 2026369 AMAQI
3rd Aug 20263810 AMAQI
3rd Aug 20264411 AMAQI
3rd Aug 20264812 PMAQI
3rd Aug 2026551 PMAQI
3rd Aug 2026482 PMAQI
3rd Aug 2026443 PMAQI
3rd Aug 2026404 PMAQI
3rd Aug 2026365 PMAQI
3rd Aug 2026296 PMAQI
3rd Aug 2026297 PMAQI
3rd Aug 2026218 PMAQI
3rd Aug 2026219 PMAQI
3rd Aug 20262310 PMAQI
3rd Aug 20262111 PMAQI
4th Aug 20262512 AMAQI
4th Aug 2026251 AMAQI
4th Aug 2026212 AMAQI
4th Aug 2026213 AMAQI

26°C23/30°C

4th Aug 2026214 AMAQI
4th Aug 2026295 AMAQI
4th Aug 2026216 AMAQI
4th Aug 2026237 AMAQI
4th Aug 2026258 AMAQI
4th Aug 2026299 AMAQI
4th Aug 20262910 AMAQI
4th Aug 20263311 AMAQI
4th Aug 20262512 PMAQI
4th Aug 2026361 PMAQI
4th Aug 2026382 PMAQI
4th Aug 2026423 PMAQI
4th Aug 2026334 PMAQI
4th Aug 2026335 PMAQI
4th Aug 2026336 PMAQI
4th Aug 2026447 PMAQI
4th Aug 2026448 PMAQI
4th Aug 2026449 PMAQI
4th Aug 20264010 PMAQI
4th Aug 20263811 PMAQI
5th Aug 20263312 AMAQI
5th Aug 2026381 AMAQI
5th Aug 2026442 AMAQI
5th Aug 2026423 AMAQI

27°C24/30°C

5th Aug 2026384 AMAQI
5th Aug 2026315 AMAQI
5th Aug 2026386 AMAQI
5th Aug 2026427 AMAQI
5th Aug 2026428 AMAQI
5th Aug 2026449 AMAQI
5th Aug 20264910 AMAQI
5th Aug 20265311 AMAQI
5th Aug 20264612 PMAQI
5th Aug 2026461 PMAQI
5th Aug 2026422 PMAQI
5th Aug 2026333 PMAQI
5th Aug 2026334 PMAQI
5th Aug 2026365 PMAQI
5th Aug 2026336 PMAQI
5th Aug 2026387 PMAQI
5th Aug 2026368 PMAQI
5th Aug 2026339 PMAQI
5th Aug 20263310 PMAQI
5th Aug 20263611 PMAQI
6th Aug 20263812 AMAQI
6th Aug 2026381 AMAQI
6th Aug 2026332 AMAQI
6th Aug 2026383 AMAQI

27°C24/31°C

6th Aug 2026334 AMAQI
6th Aug 2026405 AMAQI
6th Aug 2026386 AMAQI
6th Aug 2026387 AMAQI
6th Aug 2026388 AMAQI
6th Aug 2026389 AMAQI
6th Aug 20263610 AMAQI
6th Aug 20263611 AMAQI
6th Aug 20263612 PMAQI
6th Aug 2026361 PMAQI
6th Aug 2026332 PMAQI
6th Aug 2026403 PMAQI
6th Aug 2026384 PMAQI
6th Aug 2026365 PMAQI
6th Aug 2026366 PMAQI
6th Aug 2026387 PMAQI
6th Aug 2026338 PMAQI
6th Aug 2026339 PMAQI
6th Aug 20263610 PMAQI
6th Aug 20263811 PMAQI
7th Aug 20264012 AMAQI
7th Aug 2026381 AMAQI
7th Aug 2026332 AMAQI
7th Aug 2026363 AMAQI

27°C24/31°C

7th Aug 2026384 AMAQI
7th Aug 2026385 AMAQI
7th Aug 2026366 AMAQI
7th Aug 2026387 AMAQI
7th Aug 2026408 AMAQI
7th Aug 2026389 AMAQI
7th Aug 20263810 AMAQI
7th Aug 20264011 AMAQI
7th Aug 20264612 PMAQI
7th Aug 2026461 PMAQI
7th Aug 2026362 PMAQI
7th Aug 2026383 PMAQI
7th Aug 2026384 PMAQI
7th Aug 2026385 PMAQI
7th Aug 2026526 PMAQI
7th Aug 2026367 PMAQI
7th Aug 2026578 PMAQI
7th Aug 2026279 PMAQI
7th Aug 20264010 PMAQI
7th Aug 20263111 PMAQI
8th Aug 20262512 AMAQI
8th Aug 2026311 AMAQI
8th Aug 2026362 AMAQI
8th Aug 2026313 AMAQI

28°C25/32°C

8th Aug 2026334 AMAQI
8th Aug 2026425 AMAQI
8th Aug 2026446 AMAQI
8th Aug 2026447 AMAQI
8th Aug 2026338 AMAQI
8th Aug 2026299 AMAQI
8th Aug 20263110 AMAQI
8th Aug 20263611 AMAQI
8th Aug 20264012 PMAQI
8th Aug 2026381 PMAQI
8th Aug 2026442 PMAQI
8th Aug 2026383 PMAQI
8th Aug 2026484 PMAQI
8th Aug 2026505 PMAQI
8th Aug 2026506 PMAQI
8th Aug 2026507 PMAQI
8th Aug 2026408 PMAQI
8th Aug 2026389 PMAQI
8th Aug 20262510 PMAQI
8th Aug 20262511 PMAQI
9th Aug 20262512 AMAQI
9th Aug 2026251 AMAQI
9th Aug 2026232 AMAQI
9th Aug 2026253 AMAQI

27°C24/29°C

9th Aug 2026254 AMAQI
9th Aug 2026255 AMAQI
9th Aug 2026256 AMAQI
9th Aug 2026277 AMAQI
9th Aug 2026258 AMAQI
9th Aug 2026299 AMAQI
9th Aug 20262510 AMAQI
9th Aug 20262511 AMAQI
9th Aug 20262912 PMAQI
9th Aug 2026311 PMAQI
9th Aug 2026382 PMAQI
9th Aug 2026423 PMAQI
9th Aug 2026364 PMAQI
9th Aug 2026295 PMAQI
9th Aug 2026296 PMAQI
9th Aug 2026297 PMAQI
9th Aug 2026278 PMAQI
9th Aug 2026299 PMAQI
9th Aug 20262910 PMAQI
9th Aug 20262911 PMAQI
10th Aug 20262712 AMAQI
10th Aug 2026291 AMAQI
10th Aug 2026272 AMAQI
10th Aug 2026253 AMAQI

25°C24/27°C

10th Aug 2026274 AMAQI
10th Aug 2026295 AMAQI
10th Aug 2026256 AMAQI
10th Aug 2026277 AMAQI
10th Aug 2026298 AMAQI
10th Aug 2026319 AMAQI
10th Aug 20263110 AMAQI
10th Aug 20262911 AMAQI
10th Aug 20263312 PMAQI
10th Aug 2026311 PMAQI
10th Aug 2026312 PMAQI
10th Aug 2026333 PMAQI
10th Aug 2026324 PMAQI
10th Aug 2026315 PMAQI
10th Aug 2026336 PMAQI
10th Aug 2026367 PMAQI
10th Aug 2026338 PMAQI
10th Aug 2026369 PMAQI
10th Aug 20263610 PMAQI
10th Aug 20263111 PMAQI
11th Aug 20263612 AMAQI
11th Aug 2026361 AMAQI
11th Aug 2026332 AMAQI
11th Aug 2026333 AMAQI

25°C21/28°C

11th Aug 2026334 AMAQI
11th Aug 2026335 AMAQI
11th Aug 2026346 AMAQI
11th Aug 2026367 AMAQI
11th Aug 2026338 AMAQI
11th Aug 2026339 AMAQI
11th Aug 20263310 AMAQI
11th Aug 20263611 AMAQI
11th Aug 20263312 PMAQI
11th Aug 2026361 PMAQI
11th Aug 2026332 PMAQI
11th Aug 2026363 PMAQI
11th Aug 2026364 PMAQI
11th Aug 2026365 PMAQI
11th Aug 2026386 PMAQI
11th Aug 2026557 PMAQI
11th Aug 2026548 PMAQI
11th Aug 2026369 PMAQI
11th Aug 20263610 PMAQI
11th Aug 20262511 PMAQI
12th Aug 20262712 AMAQI
12th Aug 2026271 AMAQI
12th Aug 2026272 AMAQI
12th Aug 2026273 AMAQI

23°C20/27°C

12th Aug 2026254 AMAQI
12th Aug 2026235 AMAQI
12th Aug 2026216 AMAQI
12th Aug 2026257 AMAQI
12th Aug 2026278 AMAQI
12th Aug 2026299 AMAQI
12th Aug 20262910 AMAQI
12th Aug 20262911 AMAQI
12th Aug 20262712 PMAQI
12th Aug 2026291 PMAQI
12th Aug 2026292 PMAQI
12th Aug 2026253 PMAQI
12th Aug 2026274 PMAQI
12th Aug 2026365 PMAQI
12th Aug 2026326 PMAQI
12th Aug 2026237 PMAQI
12th Aug 2026238 PMAQI
12th Aug 2026219 PMAQI
12th Aug 20262110 PMAQI
12th Aug 20262911 PMAQI
13th Aug 20262512 AMAQI
13th Aug 2026211 AMAQI
13th Aug 2026212 AMAQI
13th Aug 2026233 AMAQI

25°C22/31°C

13th Aug 2026214 AMAQI
13th Aug 2026235 AMAQI
13th Aug 2026236 AMAQI
13th Aug 2026217 AMAQI
13th Aug 2026218 AMAQI
13th Aug 2026219 AMAQI
13th Aug 20262310 AMAQI
13th Aug 20262311 AMAQI
13th Aug 20262312 PMAQI
13th Aug 2026251 PMAQI
13th Aug 2026212 PMAQI
13th Aug 2026213 PMAQI
13th Aug 2026214 PMAQI
13th Aug 2026215 PMAQI
13th Aug 2026236 PMAQI
13th Aug 2026237 PMAQI
13th Aug 2026218 PMAQI
13th Aug 2026219 PMAQI
13th Aug 20262510 PMAQI
13th Aug 20263411 PMAQI
14th Aug 20262112 AMAQI
14th Aug 2026251 AMAQI
14th Aug 2026292 AMAQI
14th Aug 2026253 AMAQI

26°C21/31°C

14th Aug 2026254 AMAQI
4 AM
14th Aug 2026235 AMAQI
14th Aug 2026256 AMAQI
14th Aug 2026257 AMAQI
14th Aug 2026278 AMAQI
14th Aug 2026259 AMAQI
14th Aug 20262710 AMAQI
14th Aug 20263211 AMAQI
11 AM
14th Aug 20262712 PMAQI
14th Aug 2026231 PMAQI
14th Aug 2026232 PMAQI
14th Aug 2026293 PMAQI
14th Aug 2026214 PMAQI
14th Aug 2026345 PMAQI
14th Aug 2026486 PMAQI
14th Aug 2026297 PMAQI
7 PM
14th Aug 2026238 PMAQI
14th Aug 2026239 PMAQI
14th Aug 20262110 PMAQI
14th Aug 20262511 PMAQI
11 PM
3 AM

26°C21/32°C

Day time
Avg. Highest Time
7 PM

41AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
6 AM

32AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 7 PM (Avg. 41), while the lowest AQI was between 6 AM to 6 AM (Avg. 32).
Night time
Avg. Highest Time
8 PM

39AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
3 AM

33AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 8 PM (Avg. 39), while the lowest AQI was between 3 AM to 3 AM (Avg. 33).

2026 Days Vs Air Quality

Kojimamachi, Himi, Toyama, Japan

2026

85%

191

15%

35

Total number of days with different AQI categories in last 226 days in 2026 (139 days remaining)

Good
191 Days
Moderate
35 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 226 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

Kojimamachi, Himi, Toyama, 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
16AQI (US)
2nd January 2026
17AQI (US)
3rd January 2026
16AQI (US)
4th January 2026
28AQI (US)
5th January 2026
26AQI (US)
6th January 2026
21AQI (US)
7th January 2026
24AQI (US)
8th January 2026
27AQI (US)
9th January 2026
22AQI (US)
10th January 2026
22AQI (US)
11th January 2026
32AQI (US)
12th January 2026
16AQI (US)
13th January 2026
27AQI (US)
14th January 2026
19AQI (US)
15th January 2026
36AQI (US)
16th January 2026
54AQI (US)
17th January 2026
42AQI (US)
18th January 2026
21AQI (US)
19th January 2026
39AQI (US)
20th January 2026
17AQI (US)
21st January 2026
15AQI (US)
22nd January 2026
22AQI (US)
23rd January 2026
33AQI (US)
24th January 2026
35AQI (US)
25th January 2026
42AQI (US)
26th January 2026
26AQI (US)
27th January 2026
36AQI (US)
28th January 2026
30AQI (US)
29th January 2026
23AQI (US)
30th January 2026
37AQI (US)
31st January 2026
39AQI (US)
1st February 2026
30AQI (US)
2nd February 2026
36AQI (US)
3rd February 2026
31AQI (US)
4th February 2026
38AQI (US)
5th February 2026
43AQI (US)
6th February 2026
41AQI (US)
7th February 2026
22AQI (US)
8th February 2026
20AQI (US)
9th February 2026
34AQI (US)
10th February 2026
41AQI (US)
11th February 2026
49AQI (US)
12th February 2026
43AQI (US)
13th February 2026
47AQI (US)
14th February 2026
67AQI (US)
15th February 2026
56AQI (US)
16th February 2026
44AQI (US)
17th February 2026
15AQI (US)
18th February 2026
30AQI (US)
19th February 2026
28AQI (US)
20th February 2026
35AQI (US)
21st February 2026
52AQI (US)
22nd February 2026
38AQI (US)
23rd February 2026
39AQI (US)
24th February 2026
43AQI (US)
25th February 2026
39AQI (US)
26th February 2026
28AQI (US)
27th February 2026
43AQI (US)
28th February 2026
37AQI (US)
1st March 2026
38AQI (US)
2nd March 2026
71AQI (US)
3rd March 2026
43AQI (US)
4th March 2026
61AQI (US)
5th March 2026
62AQI (US)
6th March 2026
51AQI (US)
7th March 2026
47AQI (US)
8th March 2026
45AQI (US)
9th March 2026
49AQI (US)
10th March 2026
57AQI (US)
11th March 2026
59AQI (US)
12th March 2026
63AQI (US)
13th March 2026
35AQI (US)
14th March 2026
49AQI (US)
15th March 2026
60AQI (US)
16th March 2026
57AQI (US)
17th March 2026
56AQI (US)
18th March 2026
57AQI (US)
19th March 2026
30AQI (US)
20th March 2026
31AQI (US)
21st March 2026
63AQI (US)
22nd March 2026
50AQI (US)
23rd March 2026
50AQI (US)
24th March 2026
75AQI (US)
25th March 2026
55AQI (US)
26th March 2026
27AQI (US)
27th March 2026
22AQI (US)
28th March 2026
57AQI (US)
29th March 2026
51AQI (US)
30th March 2026
63AQI (US)
31st March 2026
50AQI (US)
1st April 2026
42AQI (US)
2nd April 2026
20AQI (US)
3rd April 2026
41AQI (US)
4th April 2026
31AQI (US)
5th April 2026
13AQI (US)
6th April 2026
24AQI (US)
7th April 2026
27AQI (US)
8th April 2026
25AQI (US)
9th April 2026
35AQI (US)
10th April 2026
45AQI (US)
11th April 2026
41AQI (US)
12th April 2026
30AQI (US)
13th April 2026
30AQI (US)
14th April 2026
36AQI (US)
15th April 2026
43AQI (US)
16th April 2026
35AQI (US)
17th April 2026
38AQI (US)
18th April 2026
38AQI (US)
19th April 2026
35AQI (US)
20th April 2026
36AQI (US)
21st April 2026
41AQI (US)
22nd April 2026
40AQI (US)
23rd April 2026
27AQI (US)
24th April 2026
31AQI (US)
25th April 2026
44AQI (US)
26th April 2026
49AQI (US)
27th April 2026
35AQI (US)
28th April 2026
37AQI (US)
29th April 2026
39AQI (US)
30th April 2026
39AQI (US)
1st May 2026
48AQI (US)
2nd May 2026
54AQI (US)
3rd May 2026
51AQI (US)
4th May 2026
18AQI (US)
5th May 2026
21AQI (US)
6th May 2026
29AQI (US)
7th May 2026
32AQI (US)
8th May 2026
28AQI (US)
9th May 2026
20AQI (US)
10th May 2026
29AQI (US)
11th May 2026
28AQI (US)
12th May 2026
37AQI (US)
13th May 2026
44AQI (US)
14th May 2026
41AQI (US)
15th May 2026
31AQI (US)
16th May 2026
79AQI (US)
17th May 2026
64AQI (US)
18th May 2026
54AQI (US)
19th May 2026
47AQI (US)
20th May 2026
61AQI (US)
21st May 2026
63AQI (US)
22nd May 2026
69AQI (US)
23rd May 2026
60AQI (US)
24th May 2026
63AQI (US)
25th May 2026
56AQI (US)
26th May 2026
43AQI (US)
27th May 2026
29AQI (US)
28th May 2026
27AQI (US)
29th May 2026
19AQI (US)
30th May 2026
22AQI (US)
31st May 2026
26AQI (US)
1st June 2026
28AQI (US)
2nd June 2026
35AQI (US)
3rd June 2026
22AQI (US)
4th June 2026
19AQI (US)
5th June 2026
22AQI (US)
6th June 2026
23AQI (US)
7th June 2026
22AQI (US)
8th June 2026
21AQI (US)
9th June 2026
23AQI (US)
10th June 2026
21AQI (US)
11th June 2026
24AQI (US)
12th June 2026
25AQI (US)
13th June 2026
26AQI (US)
14th June 2026
24AQI (US)
15th June 2026
23AQI (US)
16th June 2026
27AQI (US)
17th June 2026
25AQI (US)
18th June 2026
27AQI (US)
19th June 2026
30AQI (US)
20th June 2026
23AQI (US)
21st June 2026
21AQI (US)
22nd June 2026
18AQI (US)
23rd June 2026
21AQI (US)
24th June 2026
21AQI (US)
25th June 2026
26AQI (US)
26th June 2026
29AQI (US)
27th June 2026
26AQI (US)
28th June 2026
27AQI (US)
29th June 2026
26AQI (US)
30th June 2026
23AQI (US)
1st July 2026
23AQI (US)
2nd July 2026
23AQI (US)
3rd July 2026
24AQI (US)
4th July 2026
25AQI (US)
5th July 2026
22AQI (US)
6th July 2026
20AQI (US)
7th July 2026
24AQI (US)
8th July 2026
24AQI (US)
9th July 2026
26AQI (US)
10th July 2026
28AQI (US)
11th July 2026
29AQI (US)
12th July 2026
28AQI (US)
13th July 2026
28AQI (US)
14th July 2026
30AQI (US)
15th July 2026
33AQI (US)
16th July 2026
42AQI (US)
17th July 2026
35AQI (US)
18th July 2026
40AQI (US)
19th July 2026
45AQI (US)
20th July 2026
58AQI (US)
21st July 2026
65AQI (US)
22nd July 2026
60AQI (US)
23rd July 2026
35AQI (US)
24th July 2026
32AQI (US)
25th July 2026
38AQI (US)
26th July 2026
24AQI (US)
27th July 2026
25AQI (US)
28th July 2026
29AQI (US)
29th July 2026
26AQI (US)
30th July 2026
36AQI (US)
31st July 2026
38AQI (US)
1st August 2026
35AQI (US)
2nd August 2026
41AQI (US)
3rd August 2026
33AQI (US)
4th August 2026
31AQI (US)
5th August 2026
39AQI (US)
6th August 2026
37AQI (US)
7th August 2026
39AQI (US)
8th August 2026
38AQI (US)
9th August 2026
28AQI (US)
10th August 2026
30AQI (US)
11th August 2026
36AQI (US)
12th August 2026
27AQI (US)
13th August 2026
23AQI (US)
14th August 2026
26AQI (US)
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

28AQI (US)

38AQI (US)

51AQI (US)

35AQI (US)

42AQI (US)

24AQI (US)

33AQI (US)

33AQI (US)

No. of days

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

202636AQI (US)

30
1
25
3
14
17
30
20
11
30
28
3
14
191
35

Highest AQI (US) recorded in

March

51AQI (US)

Lowest AQI (US) recorded in

June

24AQI (US)

202540AQI (US)

31
28
23
8
29
1
26
5
21
9
22
9
23
8
30
18
13
26
4
28
3
305
60

Highest AQI (US) recorded in

July

48AQI (US)

Lowest AQI (US) recorded in

September

29AQI (US)

202435AQI (US)

31
28
27
4
21
9
29
2
20
10
30
1
31
30
31
29
1
31
338
27

Highest AQI (US) recorded in

April

48AQI (US)

Lowest AQI (US) recorded in

December

27AQI (US)

202336AQI (US)

28
28
23
8
23
7
24
7
25
5
28
3
31
30
31
26
3
29
2
326
35

Highest AQI (US) recorded in

April

48AQI (US)

Lowest AQI (US) recorded in

January

30AQI (US)

202236AQI (US)

30
1
22
1
24
7
22
7
17
14
26
4
21
3
1
26
3
31
28
2
17
265
42

Highest AQI (US) recorded in

May

48AQI (US)

Lowest AQI (US) recorded in

August

25AQI (US)

202133AQI (US)

30
1
22
6
27
2
19
2
28
3
25
5
31
24
7
30
31
29
1
31
327
27

Highest AQI (US) recorded in

June

42AQI (US)

Lowest AQI (US) recorded in

January

23AQI (US)

202029AQI (US)

12
1
20
1
17
1
26
4
30
1
24
6
1
19
30
1
27
3
31
236
18
1

Highest AQI (US) recorded in

August

43AQI (US)

Lowest AQI (US) recorded in

December

18AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
40AQI (US)
Least Polluted Year Recorded
2020(Avg.)
29AQI (US)

Kojimamachi's annual 2026 AQI (US) (36) shows an average percentage change of 4.3% (worsened AQI (US)) compared to previous years: 2020 (29), 2021 (33), 2022 (36), 2023 (36), 2024 (35), 2025 (40).