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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Izumicho, Oyabe, 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

Izumicho, Oyabe, Toyama, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
4th Aug 2025
55AQI
Lowest AQI recorded on
18th Aug 2024
18AQI

Same Day Analysis (14th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 27 of Good air quality, showing improvement over 2025 and 2023 on the same day.

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

Izumicho, Oyabe, Toyama, Japan

AQI
Day
Night
.

4 AM13th Aug 2026

7 PM

3 AM14th Aug 2026

Day time
Avg. Highest Time
1PM13th Aug

27AQI

Avg. Lowest Time
5AM13th Aug

19AQI

Night time
Avg. Highest Time
10PM13th Aug

31AQI

Avg. Lowest Time
4AM13th Aug

14AQI

In the last 24 hours,

Izumicho's AQI reached its highest point of 31 at 10 PM during the Night, while the lowest point, 14, was recorded at 4 AM during the Night between 13th Aug and 14th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Izumicho, Oyabe, 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 2026304 AMAQI
16th Jul 2026285 AMAQI
16th Jul 2026296 AMAQI
16th Jul 2026267 AMAQI
16th Jul 2026318 AMAQI
16th Jul 2026289 AMAQI
16th Jul 20263310 AMAQI
16th Jul 20263311 AMAQI
16th Jul 20263312 PMAQI
16th Jul 2026441 PMAQI
16th Jul 2026652 PMAQI
16th Jul 2026633 PMAQI
16th Jul 2026524 PMAQI
16th Jul 2026575 PMAQI
16th Jul 2026536 PMAQI
16th Jul 2026597 PMAQI
16th Jul 2026558 PMAQI
16th Jul 2026579 PMAQI
16th Jul 20265110 PMAQI
16th Jul 20264611 PMAQI
17th Jul 20264012 AMAQI
17th Jul 2026401 AMAQI
17th Jul 2026332 AMAQI
17th Jul 2026523 AMAQI

26°C22/30°C

17th Jul 2026314 AMAQI
17th Jul 2026465 AMAQI
17th Jul 2026366 AMAQI
17th Jul 2026317 AMAQI
17th Jul 2026318 AMAQI
17th Jul 2026299 AMAQI
17th Jul 20263610 AMAQI
17th Jul 20264011 AMAQI
17th Jul 20264612 PMAQI
17th Jul 2026381 PMAQI
17th Jul 2026252 PMAQI
17th Jul 2026283 PMAQI
17th Jul 2026484 PMAQI
17th Jul 2026485 PMAQI
17th Jul 2026466 PMAQI
17th Jul 2026367 PMAQI
17th Jul 2026448 PMAQI
17th Jul 2026409 PMAQI
17th Jul 20263610 PMAQI
17th Jul 20264411 PMAQI
18th Jul 20263112 AMAQI
18th Jul 2026291 AMAQI
18th Jul 2026312 AMAQI
18th Jul 2026333 AMAQI

26°C23/30°C

18th Jul 2026334 AMAQI
18th Jul 2026315 AMAQI
18th Jul 2026296 AMAQI
18th Jul 2026367 AMAQI
18th Jul 2026408 AMAQI
18th Jul 2026509 AMAQI
18th Jul 20263810 AMAQI
18th Jul 20264411 AMAQI
18th Jul 20264812 PMAQI
18th Jul 2026381 PMAQI
18th Jul 2026422 PMAQI
18th Jul 2026423 PMAQI
18th Jul 2026504 PMAQI
18th Jul 2026485 PMAQI
18th Jul 2026506 PMAQI
18th Jul 2026527 PMAQI
18th Jul 2026538 PMAQI
18th Jul 2026529 PMAQI
18th Jul 20264010 PMAQI
18th Jul 20264411 PMAQI
19th Jul 20263812 AMAQI
19th Jul 2026341 AMAQI
19th Jul 2026292 AMAQI
19th Jul 2026293 AMAQI

26°C22/32°C

19th Jul 2026294 AMAQI
19th Jul 2026315 AMAQI
19th Jul 2026316 AMAQI
19th Jul 2026317 AMAQI
19th Jul 2026298 AMAQI
19th Jul 2026319 AMAQI
19th Jul 20263110 AMAQI
19th Jul 20263611 AMAQI
19th Jul 20263612 PMAQI
19th Jul 2026251 PMAQI
19th Jul 2026382 PMAQI
19th Jul 2026403 PMAQI
19th Jul 2026464 PMAQI
19th Jul 2026465 PMAQI
19th Jul 2026476 PMAQI
19th Jul 2026547 PMAQI
19th Jul 2026578 PMAQI
19th Jul 2026599 PMAQI
19th Jul 20266210 PMAQI
19th Jul 20266211 PMAQI
20th Jul 20265812 AMAQI
20th Jul 2026601 AMAQI
20th Jul 2026622 AMAQI
20th Jul 2026573 AMAQI

27°C23/32°C

20th Jul 2026564 AMAQI
20th Jul 2026565 AMAQI
20th Jul 2026546 AMAQI
20th Jul 2026557 AMAQI
20th Jul 2026568 AMAQI
20th Jul 2026579 AMAQI
20th Jul 20265310 AMAQI
20th Jul 20265211 AMAQI
20th Jul 20265112 PMAQI
20th Jul 2026481 PMAQI
20th Jul 2026442 PMAQI
20th Jul 2026483 PMAQI
20th Jul 2026554 PMAQI
20th Jul 2026565 PMAQI
20th Jul 2026566 PMAQI
20th Jul 2026637 PMAQI
20th Jul 2026638 PMAQI
20th Jul 2026689 PMAQI
20th Jul 20266910 PMAQI
20th Jul 20266811 PMAQI
21st Jul 20266512 AMAQI
21st Jul 2026621 AMAQI
21st Jul 2026652 AMAQI
21st Jul 2026643 AMAQI

27°C24/32°C

21st Jul 2026604 AMAQI
21st Jul 2026595 AMAQI
21st Jul 2026576 AMAQI
21st Jul 2026607 AMAQI
21st Jul 2026628 AMAQI
21st Jul 2026679 AMAQI
21st Jul 20266210 AMAQI
21st Jul 20265911 AMAQI
21st Jul 2026641 PMAQI
21st Jul 2026652 PMAQI
21st Jul 2026663 PMAQI
21st Jul 2026654 PMAQI
21st Jul 2026645 PMAQI
21st Jul 2026646 PMAQI
21st Jul 2026987 PMAQI
21st Jul 2026648 PMAQI
21st Jul 2026549 PMAQI
21st Jul 20265310 PMAQI
21st Jul 20265211 PMAQI
22nd Jul 20265212 AMAQI
22nd Jul 2026531 AMAQI
22nd Jul 2026502 AMAQI
22nd Jul 2026533 AMAQI

27°C23/32°C

22nd Jul 2026484 AMAQI
22nd Jul 2026515 AMAQI
22nd Jul 2026546 AMAQI
22nd Jul 2026527 AMAQI
22nd Jul 2026568 AMAQI
22nd Jul 2026659 AMAQI
22nd Jul 20266210 AMAQI
22nd Jul 20267311 AMAQI
22nd Jul 20266912 PMAQI
22nd Jul 2026741 PMAQI
22nd Jul 2026782 PMAQI
22nd Jul 2026743 PMAQI
22nd Jul 2026724 PMAQI
22nd Jul 2026725 PMAQI
22nd Jul 2026696 PMAQI
22nd Jul 2026657 PMAQI
22nd Jul 2026588 PMAQI
22nd Jul 2026549 PMAQI
22nd Jul 20265010 PMAQI
22nd Jul 20265111 PMAQI
23rd Jul 20263612 AMAQI
23rd Jul 2026251 AMAQI
23rd Jul 2026252 AMAQI
23rd Jul 2026293 AMAQI

27°C23/32°C

23rd Jul 2026324 AMAQI
23rd Jul 2026325 AMAQI
23rd Jul 2026276 AMAQI
23rd Jul 2026347 AMAQI
23rd Jul 2026368 AMAQI
23rd Jul 2026409 AMAQI
23rd Jul 20263410 AMAQI
23rd Jul 20264211 AMAQI
23rd Jul 20263212 PMAQI
23rd Jul 2026251 PMAQI
23rd Jul 2026332 PMAQI
23rd Jul 2026273 PMAQI
23rd Jul 2026344 PMAQI
23rd Jul 2026275 PMAQI
23rd Jul 2026316 PMAQI
23rd Jul 2026297 PMAQI
23rd Jul 2026328 PMAQI
23rd Jul 2026319 PMAQI
23rd Jul 20262710 PMAQI
23rd Jul 20262511 PMAQI
24th Jul 20262512 AMAQI
24th Jul 2026251 AMAQI
24th Jul 2026202 AMAQI
24th Jul 2026213 AMAQI

27°C23/32°C

24th Jul 2026144 AMAQI
24th Jul 2026105 AMAQI
24th Jul 2026126 AMAQI
24th Jul 2026147 AMAQI
24th Jul 2026148 AMAQI
24th Jul 2026279 AMAQI
24th Jul 20262510 AMAQI
24th Jul 20262311 AMAQI
24th Jul 20262912 PMAQI
24th Jul 2026251 PMAQI
24th Jul 2026122 PMAQI
24th Jul 2026103 PMAQI
24th Jul 2026274 PMAQI
24th Jul 2026295 PMAQI
24th Jul 2026296 PMAQI
24th Jul 2026367 PMAQI
24th Jul 2026388 PMAQI
24th Jul 2026449 PMAQI
24th Jul 20263310 PMAQI
24th Jul 20263311 PMAQI
25th Jul 20264012 AMAQI
25th Jul 2026381 AMAQI
25th Jul 2026332 AMAQI
25th Jul 2026293 AMAQI

27°C22/32°C

25th Jul 2026364 AMAQI
25th Jul 2026255 AMAQI
25th Jul 2026236 AMAQI
25th Jul 2026257 AMAQI
25th Jul 2026258 AMAQI
25th Jul 2026239 AMAQI
25th Jul 20262510 AMAQI
25th Jul 20262911 AMAQI
25th Jul 20262912 PMAQI
25th Jul 2026311 PMAQI
25th Jul 2026332 PMAQI
25th Jul 2026333 PMAQI
25th Jul 2026364 PMAQI
25th Jul 2026335 PMAQI
25th Jul 2026366 PMAQI
25th Jul 2026337 PMAQI
25th Jul 2026338 PMAQI
25th Jul 2026319 PMAQI
25th Jul 20262910 PMAQI
25th Jul 20263311 PMAQI
26th Jul 20262412 AMAQI
26th Jul 2026211 AMAQI
26th Jul 2026232 AMAQI
26th Jul 2026213 AMAQI

27°C23/31°C

26th Jul 2026214 AMAQI
26th Jul 2026295 AMAQI
26th Jul 2026296 AMAQI
26th Jul 2026257 AMAQI
26th Jul 2026218 AMAQI
26th Jul 2026239 AMAQI
26th Jul 20262510 AMAQI
26th Jul 20262511 AMAQI
26th Jul 20262112 PMAQI
26th Jul 2026251 PMAQI
26th Jul 2026232 PMAQI
26th Jul 2026253 PMAQI
26th Jul 2026294 PMAQI
26th Jul 2026295 PMAQI
26th Jul 2026256 PMAQI
26th Jul 2026257 PMAQI
26th Jul 2026238 PMAQI
26th Jul 2026219 PMAQI
26th Jul 20262110 PMAQI
26th Jul 20262311 PMAQI
27th Jul 20262112 AMAQI
27th Jul 2026251 AMAQI
27th Jul 2026252 AMAQI
27th Jul 2026253 AMAQI

25°C21/28°C

27th Jul 2026254 AMAQI
27th Jul 2026235 AMAQI
27th Jul 2026216 AMAQI
27th Jul 2026257 AMAQI
27th Jul 2026218 AMAQI
27th Jul 2026299 AMAQI
27th Jul 20262110 AMAQI
27th Jul 20262311 AMAQI
27th Jul 20262112 PMAQI
27th Jul 2026251 PMAQI
27th Jul 2026252 PMAQI
27th Jul 2026253 PMAQI
27th Jul 2026254 PMAQI
27th Jul 2026255 PMAQI
27th Jul 2026406 PMAQI
27th Jul 2026297 PMAQI
27th Jul 2026298 PMAQI
27th Jul 2026219 PMAQI
27th Jul 20262510 PMAQI
27th Jul 20262511 PMAQI
28th Jul 20262512 AMAQI
28th Jul 2026211 AMAQI
28th Jul 2026252 AMAQI
28th Jul 2026293 AMAQI

25°C21/29°C

28th Jul 2026294 AMAQI
28th Jul 2026255 AMAQI
28th Jul 2026256 AMAQI
28th Jul 2026297 AMAQI
28th Jul 2026258 AMAQI
28th Jul 2026219 AMAQI
28th Jul 20262510 AMAQI
28th Jul 20262911 AMAQI
28th Jul 20263812 PMAQI
28th Jul 2026291 PMAQI
28th Jul 2026252 PMAQI
28th Jul 2026253 PMAQI
28th Jul 2026214 PMAQI
28th Jul 2026255 PMAQI
28th Jul 2026256 PMAQI
28th Jul 2026257 PMAQI
28th Jul 2026298 PMAQI
28th Jul 2026299 PMAQI
28th Jul 20262110 PMAQI
28th Jul 20262511 PMAQI
29th Jul 20262512 AMAQI
29th Jul 2026251 AMAQI
29th Jul 2026292 AMAQI
29th Jul 2026253 AMAQI

22°C21/26°C

29th Jul 2026254 AMAQI
29th Jul 2026255 AMAQI
29th Jul 2026216 AMAQI
29th Jul 2026257 AMAQI
29th Jul 2026258 AMAQI
29th Jul 2026259 AMAQI
29th Jul 20262510 AMAQI
29th Jul 20262111 AMAQI
29th Jul 20262512 PMAQI
29th Jul 2026251 PMAQI
29th Jul 2026252 PMAQI
29th Jul 2026253 PMAQI
29th Jul 2026254 PMAQI
29th Jul 2026215 PMAQI
29th Jul 2026256 PMAQI
29th Jul 2026257 PMAQI
29th Jul 2026218 PMAQI
29th Jul 2026299 PMAQI
29th Jul 20262110 PMAQI
29th Jul 20262911 PMAQI
30th Jul 20262512 AMAQI
30th Jul 2026211 AMAQI
30th Jul 2026252 AMAQI
30th Jul 2026233 AMAQI

24°C21/28°C

30th Jul 2026274 AMAQI
30th Jul 2026275 AMAQI
30th Jul 2026316 AMAQI
30th Jul 2026277 AMAQI
30th Jul 2026298 AMAQI
30th Jul 2026299 AMAQI
30th Jul 20262710 AMAQI
30th Jul 20262711 AMAQI
30th Jul 20262912 PMAQI
30th Jul 2026421 PMAQI
30th Jul 2026422 PMAQI
30th Jul 2026403 PMAQI
30th Jul 2026404 PMAQI
30th Jul 2026425 PMAQI
30th Jul 2026446 PMAQI
30th Jul 2026427 PMAQI
30th Jul 2026508 PMAQI
30th Jul 2026429 PMAQI
30th Jul 20263610 PMAQI
30th Jul 20264411 PMAQI
31st Jul 20264012 AMAQI
31st Jul 2026361 AMAQI
31st Jul 2026332 AMAQI
31st Jul 2026273 AMAQI

26°C22/31°C

31st Jul 2026334 AMAQI
31st Jul 2026335 AMAQI
31st Jul 2026316 AMAQI
31st Jul 2026297 AMAQI
31st Jul 2026348 AMAQI
31st Jul 2026339 AMAQI
31st Jul 20262910 AMAQI
31st Jul 20264211 AMAQI
31st Jul 20263812 PMAQI
31st Jul 2026401 PMAQI
31st Jul 2026422 PMAQI
31st Jul 2026293 PMAQI
31st Jul 2026444 PMAQI
31st Jul 2026255 PMAQI
31st Jul 2026216 PMAQI
31st Jul 2026237 PMAQI
31st Jul 2026258 PMAQI
31st Jul 2026219 PMAQI
31st Jul 20262310 PMAQI
31st Jul 20262511 PMAQI
1st Aug 20262112 AMAQI
1st Aug 2026211 AMAQI
1st Aug 2026212 AMAQI
1st Aug 2026233 AMAQI

26°C23/31°C

1st Aug 2026254 AMAQI
1st Aug 2026235 AMAQI
1st Aug 2026256 AMAQI
1st Aug 2026237 AMAQI
1st Aug 2026258 AMAQI
1st Aug 2026259 AMAQI
1st Aug 20262510 AMAQI
1st Aug 20262911 AMAQI
1st Aug 20263312 PMAQI
1st Aug 2026311 PMAQI
1st Aug 2026332 PMAQI
1st Aug 2026383 PMAQI
1st Aug 2026334 PMAQI
1st Aug 2026315 PMAQI
1st Aug 2026336 PMAQI
1st Aug 2026387 PMAQI
1st Aug 2026388 PMAQI
1st Aug 2026369 PMAQI
1st Aug 20263310 PMAQI
1st Aug 20264011 PMAQI
2nd Aug 20263312 AMAQI
2nd Aug 2026361 AMAQI
2nd Aug 2026332 AMAQI
2nd Aug 2026363 AMAQI

26°C22/31°C

2nd Aug 2026334 AMAQI
2nd Aug 2026365 AMAQI
2nd Aug 2026386 AMAQI
2nd Aug 2026387 AMAQI
2nd Aug 2026388 AMAQI
2nd Aug 2026369 AMAQI
2nd Aug 20263810 AMAQI
2nd Aug 20263811 AMAQI
2nd Aug 20263812 PMAQI
2nd Aug 2026401 PMAQI
2nd Aug 2026422 PMAQI
2nd Aug 2026403 PMAQI
2nd Aug 2026404 PMAQI
2nd Aug 2026425 PMAQI
2nd Aug 2026426 PMAQI
2nd Aug 2026407 PMAQI
2nd Aug 2026428 PMAQI
2nd Aug 2026449 PMAQI
2nd Aug 20263810 PMAQI
2nd Aug 20263611 PMAQI
3rd Aug 20263812 AMAQI
3rd Aug 2026381 AMAQI
3rd Aug 2026332 AMAQI
3rd Aug 2026363 AMAQI

27°C23/31°C

3rd Aug 2026364 AMAQI
3rd Aug 2026295 AMAQI
3rd Aug 2026316 AMAQI
3rd Aug 2026317 AMAQI
3rd Aug 2026338 AMAQI
3rd Aug 2026409 AMAQI
3rd Aug 20264010 AMAQI
3rd Aug 20264611 AMAQI
3rd Aug 20264812 PMAQI
3rd Aug 2026571 PMAQI
3rd Aug 2026522 PMAQI
3rd Aug 2026483 PMAQI
3rd Aug 2026424 PMAQI
3rd Aug 2026385 PMAQI
3rd Aug 2026316 PMAQI
3rd Aug 2026337 PMAQI
3rd Aug 2026238 PMAQI
3rd Aug 2026219 PMAQI
3rd Aug 20262310 PMAQI
3rd Aug 20262311 PMAQI
4th Aug 20262512 AMAQI
4th Aug 2026251 AMAQI
4th Aug 2026252 AMAQI
4th Aug 2026253 AMAQI

26°C23/31°C

4th Aug 2026214 AMAQI
4th Aug 2026235 AMAQI
4th Aug 2026256 AMAQI
4th Aug 2026257 AMAQI
4th Aug 2026298 AMAQI
4th Aug 2026319 AMAQI
4th Aug 20263610 AMAQI
4th Aug 20264411 AMAQI
4th Aug 20263312 PMAQI
4th Aug 2026291 PMAQI
4th Aug 2026332 PMAQI
4th Aug 2026363 PMAQI
4th Aug 2026294 PMAQI
4th Aug 2026335 PMAQI
4th Aug 2026336 PMAQI
4th Aug 2026407 PMAQI
4th Aug 2026448 PMAQI
4th Aug 2026429 PMAQI
4th Aug 20263810 PMAQI
4th Aug 20263311 PMAQI
5th Aug 20262912 AMAQI
5th Aug 2026331 AMAQI
5th Aug 2026402 AMAQI
5th Aug 2026363 AMAQI

26°C23/30°C

5th Aug 2026314 AMAQI
5th Aug 2026275 AMAQI
5th Aug 2026346 AMAQI
5th Aug 2026427 AMAQI
5th Aug 2026408 AMAQI
5th Aug 2026429 AMAQI
5th Aug 20264410 AMAQI
5th Aug 20265011 AMAQI
5th Aug 20264612 PMAQI
5th Aug 2026441 PMAQI
5th Aug 2026362 PMAQI
5th Aug 2026273 PMAQI
5th Aug 2026274 PMAQI
5th Aug 2026295 PMAQI
5th Aug 2026256 PMAQI
5th Aug 2026297 PMAQI
5th Aug 2026338 PMAQI
5th Aug 2026319 PMAQI
5th Aug 20262710 PMAQI
5th Aug 20262911 PMAQI
6th Aug 20262912 AMAQI
6th Aug 2026271 AMAQI
6th Aug 2026292 AMAQI
6th Aug 2026253 AMAQI

27°C23/31°C

6th Aug 2026294 AMAQI
6th Aug 2026295 AMAQI
6th Aug 2026276 AMAQI
6th Aug 2026297 AMAQI
6th Aug 2026318 AMAQI
6th Aug 2026299 AMAQI
6th Aug 20262910 AMAQI
6th Aug 20263611 AMAQI
6th Aug 20263112 PMAQI
6th Aug 2026311 PMAQI
6th Aug 2026332 PMAQI
6th Aug 2026293 PMAQI
6th Aug 2026314 PMAQI
6th Aug 2026335 PMAQI
6th Aug 2026336 PMAQI
6th Aug 2026337 PMAQI
6th Aug 2026318 PMAQI
6th Aug 2026339 PMAQI
6th Aug 20263610 PMAQI
6th Aug 20263311 PMAQI
7th Aug 20263312 AMAQI
7th Aug 2026341 AMAQI
7th Aug 2026312 AMAQI
7th Aug 2026333 AMAQI

27°C23/32°C

7th Aug 2026294 AMAQI
7th Aug 2026335 AMAQI
7th Aug 2026366 AMAQI
7th Aug 2026317 AMAQI
7th Aug 2026298 AMAQI
7th Aug 2026299 AMAQI
7th Aug 20263110 AMAQI
7th Aug 20263111 AMAQI
7th Aug 20264212 PMAQI
7th Aug 2026451 PMAQI
7th Aug 2026272 PMAQI
7th Aug 2026253 PMAQI
7th Aug 2026274 PMAQI
7th Aug 2026295 PMAQI
7th Aug 2026446 PMAQI
7th Aug 2026297 PMAQI
7th Aug 2026548 PMAQI
7th Aug 2026219 PMAQI
7th Aug 20263310 PMAQI
7th Aug 20262111 PMAQI
8th Aug 20262112 AMAQI
8th Aug 2026211 AMAQI
8th Aug 2026252 AMAQI
8th Aug 2026233 AMAQI

27°C23/33°C

8th Aug 2026274 AMAQI
8th Aug 2026365 AMAQI
8th Aug 2026336 AMAQI
8th Aug 2026367 AMAQI
8th Aug 2026258 AMAQI
8th Aug 2026219 AMAQI
8th Aug 20262110 AMAQI
8th Aug 20262911 AMAQI
8th Aug 20263112 PMAQI
8th Aug 2026291 PMAQI
8th Aug 2026342 PMAQI
8th Aug 2026313 PMAQI
8th Aug 2026364 PMAQI
8th Aug 2026405 PMAQI
8th Aug 2026446 PMAQI
8th Aug 2026427 PMAQI
8th Aug 2026298 PMAQI
8th Aug 2026259 PMAQI
8th Aug 20263610 PMAQI
8th Aug 20263811 PMAQI
9th Aug 20262512 AMAQI
9th Aug 2026251 AMAQI
9th Aug 2026252 AMAQI
9th Aug 2026293 AMAQI

26°C22/30°C

9th Aug 2026294 AMAQI
9th Aug 2026255 AMAQI
9th Aug 2026296 AMAQI
9th Aug 2026297 AMAQI
9th Aug 2026258 AMAQI
9th Aug 2026259 AMAQI
9th Aug 20262710 AMAQI
9th Aug 20262911 AMAQI
9th Aug 20262912 PMAQI
9th Aug 2026211 PMAQI
9th Aug 2026252 PMAQI
9th Aug 2026313 PMAQI
9th Aug 2026254 PMAQI
9th Aug 2026215 PMAQI
9th Aug 2026236 PMAQI
9th Aug 2026257 PMAQI
9th Aug 2026298 PMAQI
9th Aug 2026239 PMAQI
9th Aug 20262510 PMAQI
9th Aug 20262311 PMAQI
10th Aug 20262512 AMAQI
10th Aug 2026271 AMAQI
10th Aug 2026292 AMAQI
10th Aug 2026253 AMAQI

24°C23/27°C

10th Aug 2026274 AMAQI
10th Aug 2026255 AMAQI
10th Aug 2026256 AMAQI
10th Aug 2026257 AMAQI
10th Aug 2026238 AMAQI
10th Aug 2026219 AMAQI
10th Aug 20262110 AMAQI
10th Aug 20262111 AMAQI
10th Aug 20262112 PMAQI
10th Aug 2026211 PMAQI
10th Aug 2026232 PMAQI
10th Aug 2026253 PMAQI
10th Aug 2026294 PMAQI
10th Aug 2026275 PMAQI
10th Aug 2026256 PMAQI
10th Aug 2026257 PMAQI
10th Aug 2026258 PMAQI
10th Aug 2026299 PMAQI
10th Aug 20263210 PMAQI
10th Aug 20262711 PMAQI
11th Aug 20262912 AMAQI
11th Aug 2026291 AMAQI
11th Aug 2026292 AMAQI
11th Aug 2026233 AMAQI

24°C20/28°C

11th Aug 2026254 AMAQI
11th Aug 2026315 AMAQI
11th Aug 2026256 AMAQI
11th Aug 2026237 AMAQI
11th Aug 2026258 AMAQI
11th Aug 2026259 AMAQI
11th Aug 20262310 AMAQI
11th Aug 20262711 AMAQI
11th Aug 20262312 PMAQI
11th Aug 2026251 PMAQI
11th Aug 2026272 PMAQI
11th Aug 2026293 PMAQI
11th Aug 2026274 PMAQI
11th Aug 2026255 PMAQI
11th Aug 2026216 PMAQI
11th Aug 2026567 PMAQI
11th Aug 2026548 PMAQI
11th Aug 2026299 PMAQI
11th Aug 20262910 PMAQI
11th Aug 20262311 PMAQI
12th Aug 20262512 AMAQI
12th Aug 2026211 AMAQI
12th Aug 2026212 AMAQI
12th Aug 2026253 AMAQI

23°C19/26°C

12th Aug 2026254 AMAQI
12th Aug 2026255 AMAQI
12th Aug 2026276 AMAQI
12th Aug 2026317 AMAQI
12th Aug 2026258 AMAQI
12th Aug 2026259 AMAQI
12th Aug 20262510 AMAQI
12th Aug 20262511 AMAQI
12th Aug 20262512 PMAQI
12th Aug 2026291 PMAQI
12th Aug 2026212 PMAQI
12th Aug 2026253 PMAQI
12th Aug 2026274 PMAQI
12th Aug 2026365 PMAQI
12th Aug 2026306 PMAQI
12th Aug 2026167 PMAQI
12th Aug 2026178 PMAQI
12th Aug 2026239 PMAQI
12th Aug 20262510 PMAQI
12th Aug 20262911 PMAQI
13th Aug 20262712 AMAQI
13th Aug 2026291 AMAQI
13th Aug 2026232 AMAQI
13th Aug 2026163 AMAQI

24°C20/30°C

13th Aug 2026144 AMAQI
13th Aug 2026195 AMAQI
13th Aug 2026236 AMAQI
13th Aug 2026257 AMAQI
13th Aug 2026238 AMAQI
13th Aug 2026219 AMAQI
13th Aug 20262110 AMAQI
13th Aug 20262311 AMAQI
13th Aug 20262512 PMAQI
13th Aug 2026271 PMAQI
13th Aug 2026212 PMAQI
13th Aug 2026233 PMAQI
13th Aug 2026214 PMAQI
13th Aug 2026235 PMAQI
13th Aug 2026216 PMAQI
13th Aug 2026237 PMAQI
13th Aug 2026238 PMAQI
13th Aug 2026219 PMAQI
13th Aug 20263110 PMAQI
13th Aug 20262711 PMAQI
14th Aug 20262512 AMAQI
14th Aug 2026291 AMAQI
14th Aug 2026252 AMAQI
14th Aug 2026253 AMAQI

24°C19/31°C

14th Aug 2026214 AMAQI
4 AM
14th Aug 2026255 AMAQI
14th Aug 2026216 AMAQI
14th Aug 2026257 AMAQI
14th Aug 2026278 AMAQI
14th Aug 2026219 AMAQI
14th Aug 20262110 AMAQI
14th Aug 20262111 AMAQI
11 AM
14th Aug 20262312 PMAQI
14th Aug 2026271 PMAQI
14th Aug 2026312 PMAQI
14th Aug 2026423 PMAQI
14th Aug 2026254 PMAQI
14th Aug 2026295 PMAQI
14th Aug 2026526 PMAQI
14th Aug 2026297 PMAQI
7 PM
14th Aug 2026258 PMAQI
14th Aug 2026239 PMAQI
14th Aug 20262110 PMAQI
14th Aug 20262511 PMAQI
11 PM
3 AM

25°C21/31°C

Day time
Avg. Highest Time
11 AM - 7 PM

36AQI

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

30AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 7 PM (Avg. 36), while the lowest AQI was between 4 AM to 4 AM (Avg. 30).
Night time
Avg. Highest Time
8 PM

38AQI

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

31AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 8 PM (Avg. 38), while the lowest AQI was between 1 AM to 3 AM (Avg. 31).

2026 Days Vs Air Quality

Izumicho, Oyabe, 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

Izumicho, Oyabe, 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
17AQI (US)
2nd January 2026
18AQI (US)
3rd January 2026
19AQI (US)
4th January 2026
23AQI (US)
5th January 2026
28AQI (US)
6th January 2026
21AQI (US)
7th January 2026
24AQI (US)
8th January 2026
20AQI (US)
9th January 2026
23AQI (US)
10th January 2026
23AQI (US)
11th January 2026
30AQI (US)
12th January 2026
16AQI (US)
13th January 2026
19AQI (US)
14th January 2026
17AQI (US)
15th January 2026
32AQI (US)
16th January 2026
52AQI (US)
17th January 2026
46AQI (US)
18th January 2026
24AQI (US)
19th January 2026
40AQI (US)
20th January 2026
19AQI (US)
21st January 2026
22AQI (US)
22nd January 2026
20AQI (US)
23rd January 2026
34AQI (US)
24th January 2026
35AQI (US)
25th January 2026
43AQI (US)
26th January 2026
28AQI (US)
27th January 2026
35AQI (US)
28th January 2026
30AQI (US)
29th January 2026
26AQI (US)
30th January 2026
37AQI (US)
31st January 2026
41AQI (US)
1st February 2026
33AQI (US)
2nd February 2026
37AQI (US)
3rd February 2026
30AQI (US)
4th February 2026
35AQI (US)
5th February 2026
41AQI (US)
6th February 2026
36AQI (US)
7th February 2026
21AQI (US)
8th February 2026
19AQI (US)
9th February 2026
35AQI (US)
10th February 2026
38AQI (US)
11th February 2026
43AQI (US)
12th February 2026
44AQI (US)
13th February 2026
46AQI (US)
14th February 2026
65AQI (US)
15th February 2026
53AQI (US)
16th February 2026
46AQI (US)
17th February 2026
18AQI (US)
18th February 2026
25AQI (US)
19th February 2026
31AQI (US)
20th February 2026
32AQI (US)
21st February 2026
47AQI (US)
22nd February 2026
36AQI (US)
23rd February 2026
37AQI (US)
24th February 2026
24AQI (US)
25th February 2026
32AQI (US)
26th February 2026
25AQI (US)
27th February 2026
44AQI (US)
28th February 2026
44AQI (US)
1st March 2026
37AQI (US)
2nd March 2026
75AQI (US)
3rd March 2026
45AQI (US)
4th March 2026
66AQI (US)
5th March 2026
62AQI (US)
6th March 2026
55AQI (US)
7th March 2026
49AQI (US)
8th March 2026
52AQI (US)
9th March 2026
52AQI (US)
10th March 2026
57AQI (US)
11th March 2026
58AQI (US)
12th March 2026
67AQI (US)
13th March 2026
39AQI (US)
14th March 2026
49AQI (US)
15th March 2026
59AQI (US)
16th March 2026
62AQI (US)
17th March 2026
54AQI (US)
18th March 2026
53AQI (US)
19th March 2026
26AQI (US)
20th March 2026
33AQI (US)
21st March 2026
56AQI (US)
22nd March 2026
49AQI (US)
23rd March 2026
55AQI (US)
24th March 2026
76AQI (US)
25th March 2026
66AQI (US)
26th March 2026
21AQI (US)
27th March 2026
20AQI (US)
28th March 2026
58AQI (US)
29th March 2026
49AQI (US)
30th March 2026
60AQI (US)
31st March 2026
41AQI (US)
1st April 2026
29AQI (US)
2nd April 2026
18AQI (US)
3rd April 2026
39AQI (US)
4th April 2026
30AQI (US)
5th April 2026
13AQI (US)
6th April 2026
24AQI (US)
7th April 2026
25AQI (US)
8th April 2026
24AQI (US)
9th April 2026
33AQI (US)
10th April 2026
43AQI (US)
11th April 2026
37AQI (US)
12th April 2026
29AQI (US)
13th April 2026
28AQI (US)
14th April 2026
35AQI (US)
15th April 2026
37AQI (US)
16th April 2026
35AQI (US)
17th April 2026
38AQI (US)
18th April 2026
37AQI (US)
19th April 2026
34AQI (US)
20th April 2026
35AQI (US)
21st April 2026
41AQI (US)
22nd April 2026
45AQI (US)
23rd April 2026
35AQI (US)
24th April 2026
32AQI (US)
25th April 2026
44AQI (US)
26th April 2026
50AQI (US)
27th April 2026
35AQI (US)
28th April 2026
38AQI (US)
29th April 2026
38AQI (US)
30th April 2026
40AQI (US)
1st May 2026
48AQI (US)
2nd May 2026
52AQI (US)
3rd May 2026
50AQI (US)
4th May 2026
18AQI (US)
5th May 2026
20AQI (US)
6th May 2026
27AQI (US)
7th May 2026
31AQI (US)
8th May 2026
27AQI (US)
9th May 2026
19AQI (US)
10th May 2026
24AQI (US)
11th May 2026
28AQI (US)
12th May 2026
35AQI (US)
13th May 2026
39AQI (US)
14th May 2026
33AQI (US)
15th May 2026
34AQI (US)
16th May 2026
80AQI (US)
17th May 2026
64AQI (US)
18th May 2026
54AQI (US)
19th May 2026
47AQI (US)
20th May 2026
61AQI (US)
21st May 2026
64AQI (US)
22nd May 2026
68AQI (US)
23rd May 2026
60AQI (US)
24th May 2026
62AQI (US)
25th May 2026
55AQI (US)
26th May 2026
42AQI (US)
27th May 2026
29AQI (US)
28th May 2026
26AQI (US)
29th May 2026
15AQI (US)
30th May 2026
19AQI (US)
31st May 2026
26AQI (US)
1st June 2026
28AQI (US)
2nd June 2026
30AQI (US)
3rd June 2026
28AQI (US)
4th June 2026
24AQI (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
22AQI (US)
11th June 2026
24AQI (US)
12th June 2026
25AQI (US)
13th June 2026
25AQI (US)
14th June 2026
32AQI (US)
15th June 2026
24AQI (US)
16th June 2026
26AQI (US)
17th June 2026
24AQI (US)
18th June 2026
27AQI (US)
19th June 2026
29AQI (US)
20th June 2026
23AQI (US)
21st June 2026
21AQI (US)
22nd June 2026
19AQI (US)
23rd June 2026
21AQI (US)
24th June 2026
20AQI (US)
25th June 2026
27AQI (US)
26th June 2026
29AQI (US)
27th June 2026
27AQI (US)
28th June 2026
27AQI (US)
29th June 2026
26AQI (US)
30th June 2026
23AQI (US)
1st July 2026
25AQI (US)
2nd July 2026
22AQI (US)
3rd July 2026
24AQI (US)
4th July 2026
25AQI (US)
5th July 2026
22AQI (US)
6th July 2026
18AQI (US)
7th July 2026
23AQI (US)
8th July 2026
23AQI (US)
9th July 2026
25AQI (US)
10th July 2026
28AQI (US)
11th July 2026
28AQI (US)
12th July 2026
26AQI (US)
13th July 2026
29AQI (US)
14th July 2026
28AQI (US)
15th July 2026
32AQI (US)
16th July 2026
41AQI (US)
17th July 2026
38AQI (US)
18th July 2026
41AQI (US)
19th July 2026
40AQI (US)
20th July 2026
57AQI (US)
21st July 2026
63AQI (US)
22nd July 2026
61AQI (US)
23rd July 2026
31AQI (US)
24th July 2026
24AQI (US)
25th July 2026
31AQI (US)
26th July 2026
24AQI (US)
27th July 2026
25AQI (US)
28th July 2026
26AQI (US)
29th July 2026
25AQI (US)
30th July 2026
34AQI (US)
31st July 2026
32AQI (US)
1st August 2026
29AQI (US)
2nd August 2026
38AQI (US)
3rd August 2026
36AQI (US)
4th August 2026
32AQI (US)
5th August 2026
35AQI (US)
6th August 2026
31AQI (US)
7th August 2026
32AQI (US)
8th August 2026
31AQI (US)
9th August 2026
26AQI (US)
10th August 2026
25AQI (US)
11th August 2026
28AQI (US)
12th August 2026
25AQI (US)
13th August 2026
23AQI (US)
14th August 2026
27AQI (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)

36AQI (US)

52AQI (US)

34AQI (US)

41AQI (US)

25AQI (US)

31AQI (US)

30AQI (US)

No. of days

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

202635AQI (US)

30
1
26
2
12
19
30
21
10
30
28
3
14
191
35

Highest AQI (US) recorded in

March

52AQI (US)

Lowest AQI (US) recorded in

June

25AQI (US)

202539AQI (US)

31
28
26
5
28
2
25
6
24
6
17
14
22
9
30
19
12
29
1
30
1
309
56

Highest AQI (US) recorded in

July

50AQI (US)

Lowest AQI (US) recorded in

January

28AQI (US)

202432AQI (US)

30
29
27
4
24
6
31
25
5
30
1
30
1
30
31
30
31
348
17

Highest AQI (US) recorded in

April

46AQI (US)

Lowest AQI (US) recorded in

December

25AQI (US)

202333AQI (US)

31
28
28
3
25
5
26
5
26
4
29
2
31
30
31
29
31
345
19

Highest AQI (US) recorded in

April

43AQI (US)

Lowest AQI (US) recorded in

October

26AQI (US)

202232AQI (US)

30
21
30
1
17
1
24
7
28
2
21
1
27
1
31
30
31
291
12

Highest AQI (US) recorded in

May

43AQI (US)

Lowest AQI (US) recorded in

August

23AQI (US)

202130AQI (US)

28
2
26
2
29
20
1
29
2
25
5
31
31
30
31
30
31
341
12

Highest AQI (US) recorded in

June

40AQI (US)

Lowest AQI (US) recorded in

January

24AQI (US)

202027AQI (US)

13
20
1
16
2
26
4
31
20
11
19
31
30
31
237
18

Highest AQI (US) recorded in

August

47AQI (US)

Lowest AQI (US) recorded in

December

16AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
39AQI (US)
Least Polluted Year Recorded
2020(Avg.)
27AQI (US)

Izumicho's annual 2026 AQI (US) (35) shows an average percentage change of 10.1% (worsened AQI (US)) compared to previous years: 2020 (27), 2021 (30), 2022 (32), 2023 (33), 2024 (32), 2025 (39).