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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Iidacho, Fukayacho, Saitama, Japan Historical Air Quality Analysis

Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!

Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

July Air Quality Analysis

Iidacho, Fukayacho, Saitama, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
9th Jul 2025
79AQI
Lowest AQI recorded on
13th Jul 2022
13AQI

Same Day Analysis (31st July):
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 2023 on the same day.

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

Iidacho, Fukayacho, Saitama, Japan

AQI
Day
Night
.

4 AM30th Jul 2026

6 PM

3 AM31st Jul 2026

Day time
Avg. Highest Time
6PM30th Jul

40AQI

Avg. Lowest Time
5PM30th Jul

21AQI

Night time
Avg. Highest Time
9PM30th Jul

31AQI

Avg. Lowest Time
12AM31st Jul

27AQI

In the last 24 hours,

Iidacho's AQI reached its highest point of 40 at 6 PM during the Day, while the lowest point, 21, was recorded at 5 PM during the Day between 30th Jul and 31st Jul 2026.

Day & Night AQI Trend : Jul 2026

Iidacho, Fukayacho, Saitama, Japan

Jul
02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st
Day
Night
2nd Jul 2026514 AMAQI
2nd Jul 2026655 AMAQI
2nd Jul 2026446 AMAQI
2nd Jul 2026297 AMAQI
2nd Jul 2026408 AMAQI
2nd Jul 2026339 AMAQI
2nd Jul 20263110 AMAQI
2nd Jul 20262111 AMAQI
2nd Jul 20262512 PMAQI
2nd Jul 2026121 PMAQI
2nd Jul 202682 PMAQI
2nd Jul 2026123 PMAQI
2nd Jul 2026124 PMAQI
2nd Jul 202685 PMAQI
2nd Jul 202666 PMAQI
2nd Jul 202687 PMAQI
2nd Jul 202688 PMAQI
2nd Jul 2026129 PMAQI
2nd Jul 2026810 PMAQI
2nd Jul 20261011 PMAQI
3rd Jul 20261712 AMAQI
3rd Jul 2026121 AMAQI
3rd Jul 2026102 AMAQI
3rd Jul 2026123 AMAQI

22°C20/23°C

3rd Jul 2026124 AMAQI
3rd Jul 202685 AMAQI
3rd Jul 202686 AMAQI
3rd Jul 202677 AMAQI
3rd Jul 202688 AMAQI
3rd Jul 202679 AMAQI
3rd Jul 2026810 AMAQI
3rd Jul 2026811 AMAQI
3rd Jul 2026812 PMAQI
3rd Jul 2026121 PMAQI
3rd Jul 2026122 PMAQI
3rd Jul 2026123 PMAQI
3rd Jul 2026174 PMAQI
3rd Jul 2026255 PMAQI
3rd Jul 2026296 PMAQI
3rd Jul 2026257 PMAQI
3rd Jul 2026218 PMAQI
3rd Jul 2026389 PMAQI
3rd Jul 20262110 PMAQI
3rd Jul 20262511 PMAQI
4th Jul 20261312 AMAQI
4th Jul 2026171 AMAQI
4th Jul 2026212 AMAQI
4th Jul 2026283 AMAQI

22°C21/25°C

4th Jul 2026264 AMAQI
4th Jul 2026285 AMAQI
4th Jul 2026246 AMAQI
4th Jul 2026267 AMAQI
4th Jul 2026288 AMAQI
4th Jul 2026299 AMAQI
4th Jul 20262610 AMAQI
4th Jul 20266211 AMAQI
4th Jul 20263812 PMAQI
4th Jul 2026581 PMAQI
4th Jul 2026622 PMAQI
4th Jul 2026603 PMAQI
4th Jul 2026644 PMAQI
4th Jul 2026705 PMAQI
4th Jul 2026696 PMAQI
4th Jul 2026697 PMAQI
4th Jul 2026678 PMAQI
4th Jul 2026469 PMAQI
4th Jul 20263810 PMAQI
4th Jul 20262911 PMAQI
5th Jul 20262912 AMAQI
5th Jul 2026291 AMAQI
5th Jul 2026292 AMAQI
5th Jul 2026383 AMAQI

23°C21/25°C

5th Jul 2026404 AMAQI
5th Jul 2026405 AMAQI
5th Jul 2026336 AMAQI
5th Jul 2026257 AMAQI
5th Jul 2026218 AMAQI
5th Jul 2026179 AMAQI
5th Jul 20261710 AMAQI
5th Jul 20261411 AMAQI
5th Jul 20261712 PMAQI
5th Jul 2026191 PMAQI
5th Jul 2026142 PMAQI
5th Jul 2026213 PMAQI
5th Jul 2026214 PMAQI
5th Jul 2026175 PMAQI
5th Jul 2026176 PMAQI
5th Jul 2026257 PMAQI
5th Jul 2026178 PMAQI
5th Jul 2026239 PMAQI
5th Jul 20262510 PMAQI
5th Jul 20262911 PMAQI
6th Jul 20262912 AMAQI
6th Jul 2026251 AMAQI
6th Jul 2026252 AMAQI
6th Jul 2026253 AMAQI

23°C21/26°C

6th Jul 2026254 AMAQI
6th Jul 2026195 AMAQI
6th Jul 2026296 AMAQI
6th Jul 2026237 AMAQI
6th Jul 2026298 AMAQI
6th Jul 2026299 AMAQI
6th Jul 20262910 AMAQI
6th Jul 20263111 AMAQI
6th Jul 20262912 PMAQI
6th Jul 2026271 PMAQI
6th Jul 2026292 PMAQI
6th Jul 2026313 PMAQI
6th Jul 2026314 PMAQI
6th Jul 2026235 PMAQI
6th Jul 2026296 PMAQI
6th Jul 2026337 PMAQI
6th Jul 2026318 PMAQI
6th Jul 2026299 PMAQI
6th Jul 20262610 PMAQI
6th Jul 20262711 PMAQI
7th Jul 20262812 AMAQI
7th Jul 2026311 AMAQI
7th Jul 2026272 AMAQI
7th Jul 2026303 AMAQI

21°C20/22°C

7th Jul 2026284 AMAQI
7th Jul 2026275 AMAQI
7th Jul 2026306 AMAQI
7th Jul 2026267 AMAQI
7th Jul 2026298 AMAQI
7th Jul 2026269 AMAQI
7th Jul 20262410 AMAQI
7th Jul 20262411 AMAQI
7th Jul 20262512 PMAQI
7th Jul 2026241 PMAQI
7th Jul 2026242 PMAQI
7th Jul 2026303 PMAQI
7th Jul 2026274 PMAQI
7th Jul 2026305 PMAQI
7th Jul 2026286 PMAQI
7th Jul 2026277 PMAQI
7th Jul 2026268 PMAQI
7th Jul 2026269 PMAQI
7th Jul 20262610 PMAQI
7th Jul 20262311 PMAQI
8th Jul 20263012 AMAQI
8th Jul 2026321 AMAQI
8th Jul 2026302 AMAQI
8th Jul 2026263 AMAQI

24°C20/29°C

8th Jul 2026274 AMAQI
8th Jul 2026265 AMAQI
8th Jul 2026286 AMAQI
8th Jul 2026287 AMAQI
8th Jul 2026268 AMAQI
8th Jul 2026269 AMAQI
8th Jul 20262410 AMAQI
8th Jul 20262411 AMAQI
8th Jul 20262512 PMAQI
8th Jul 2026251 PMAQI
8th Jul 2026242 PMAQI
8th Jul 2026293 PMAQI
8th Jul 2026264 PMAQI
8th Jul 2026255 PMAQI
8th Jul 2026246 PMAQI
8th Jul 2026227 PMAQI
8th Jul 2026208 PMAQI
8th Jul 2026209 PMAQI
8th Jul 20262410 PMAQI
8th Jul 20262211 PMAQI
9th Jul 20262412 AMAQI
9th Jul 2026281 AMAQI
9th Jul 2026282 AMAQI
9th Jul 2026273 AMAQI

26°C21/31°C

9th Jul 2026254 AMAQI
9th Jul 2026245 AMAQI
9th Jul 2026276 AMAQI
9th Jul 2026267 AMAQI
9th Jul 2026268 AMAQI
9th Jul 2026249 AMAQI
9th Jul 20262410 AMAQI
9th Jul 20262611 AMAQI
9th Jul 20262212 PMAQI
9th Jul 2026231 PMAQI
9th Jul 2026242 PMAQI
9th Jul 2026263 PMAQI
9th Jul 2026264 PMAQI
9th Jul 2026265 PMAQI
9th Jul 2026276 PMAQI
9th Jul 2026267 PMAQI
9th Jul 2026248 PMAQI
9th Jul 2026399 PMAQI
9th Jul 20264410 PMAQI
9th Jul 20262811 PMAQI
10th Jul 20262612 AMAQI
10th Jul 2026281 AMAQI
10th Jul 2026262 AMAQI
10th Jul 2026283 AMAQI

27°C22/33°C

10th Jul 2026244 AMAQI
10th Jul 2026265 AMAQI
10th Jul 2026266 AMAQI
10th Jul 2026277 AMAQI
10th Jul 2026268 AMAQI
10th Jul 2026289 AMAQI
10th Jul 20262610 AMAQI
10th Jul 20262811 AMAQI
10th Jul 20262612 PMAQI
10th Jul 2026251 PMAQI
10th Jul 2026242 PMAQI
10th Jul 2026233 PMAQI
10th Jul 2026264 PMAQI
10th Jul 2026445 PMAQI
10th Jul 2026556 PMAQI
10th Jul 2026427 PMAQI
10th Jul 2026238 PMAQI
10th Jul 2026329 PMAQI
10th Jul 20263010 PMAQI
10th Jul 20263011 PMAQI
11th Jul 20264512 AMAQI
11th Jul 2026361 AMAQI
11th Jul 2026122 AMAQI
11th Jul 2026123 AMAQI

29°C24/35°C

11th Jul 2026124 AMAQI
11th Jul 2026125 AMAQI
11th Jul 2026176 AMAQI
11th Jul 2026127 AMAQI
11th Jul 2026198 AMAQI
11th Jul 2026279 AMAQI
11th Jul 20262910 AMAQI
11th Jul 20263211 AMAQI
11th Jul 20263612 PMAQI
11th Jul 2026311 PMAQI
11th Jul 2026422 PMAQI
11th Jul 2026463 PMAQI
11th Jul 2026464 PMAQI
11th Jul 2026445 PMAQI
11th Jul 2026446 PMAQI
11th Jul 2026507 PMAQI
11th Jul 2026518 PMAQI
11th Jul 2026319 PMAQI
11th Jul 20262910 PMAQI
11th Jul 20262711 PMAQI
12th Jul 20262712 AMAQI
12th Jul 2026231 AMAQI
12th Jul 2026212 AMAQI
12th Jul 2026213 AMAQI

29°C25/34°C

12th Jul 2026214 AMAQI
12th Jul 2026195 AMAQI
12th Jul 2026196 AMAQI
12th Jul 2026177 AMAQI
12th Jul 2026258 AMAQI
12th Jul 2026219 AMAQI
12th Jul 20262510 AMAQI
12th Jul 20262311 AMAQI
12th Jul 20262112 PMAQI
12th Jul 2026271 PMAQI
12th Jul 2026342 PMAQI
12th Jul 2026383 PMAQI
12th Jul 2026424 PMAQI
12th Jul 2026465 PMAQI
12th Jul 2026516 PMAQI
12th Jul 2026427 PMAQI
12th Jul 2026498 PMAQI
12th Jul 2026519 PMAQI
12th Jul 20265310 PMAQI
12th Jul 20265411 PMAQI
13th Jul 20265812 AMAQI
13th Jul 2026641 AMAQI
13th Jul 2026602 AMAQI
13th Jul 2026593 AMAQI

26°C24/29°C

13th Jul 2026554 AMAQI
13th Jul 2026295 AMAQI
13th Jul 2026386 AMAQI
13th Jul 2026277 AMAQI
13th Jul 2026368 AMAQI
13th Jul 2026449 AMAQI
13th Jul 20262710 AMAQI
13th Jul 20264211 AMAQI
13th Jul 20264812 PMAQI
13th Jul 2026551 PMAQI
13th Jul 2026632 PMAQI
13th Jul 2026623 PMAQI
13th Jul 2026694 PMAQI
13th Jul 2026665 PMAQI
13th Jul 2026696 PMAQI
13th Jul 2026737 PMAQI
13th Jul 2026648 PMAQI
13th Jul 2026679 PMAQI
13th Jul 20266910 PMAQI
13th Jul 20266211 PMAQI
14th Jul 20266412 AMAQI
14th Jul 2026581 AMAQI
14th Jul 2026632 AMAQI
14th Jul 2026583 AMAQI

27°C25/30°C

14th Jul 2026564 AMAQI
14th Jul 2026555 AMAQI
14th Jul 2026526 AMAQI
14th Jul 2026517 AMAQI
14th Jul 2026448 AMAQI
14th Jul 2026449 AMAQI
14th Jul 20263810 AMAQI
14th Jul 20264011 AMAQI
14th Jul 20265412 PMAQI
14th Jul 2026511 PMAQI
14th Jul 2026622 PMAQI
14th Jul 2026423 PMAQI
14th Jul 2026284 PMAQI
14th Jul 2026335 PMAQI
14th Jul 2026466 PMAQI
14th Jul 2026527 PMAQI
14th Jul 2026448 PMAQI
14th Jul 2026679 PMAQI
14th Jul 20265810 PMAQI
14th Jul 20264811 PMAQI
15th Jul 20265212 AMAQI
15th Jul 2026561 AMAQI
15th Jul 2026572 AMAQI
15th Jul 2026483 AMAQI

30°C24/37°C

15th Jul 2026544 AMAQI
15th Jul 2026675 AMAQI
15th Jul 2026636 AMAQI
15th Jul 2026707 AMAQI
15th Jul 2026558 AMAQI
15th Jul 2026329 AMAQI
15th Jul 20265310 AMAQI
15th Jul 20265411 AMAQI
15th Jul 20266812 PMAQI
15th Jul 2026521 PMAQI
15th Jul 2026712 PMAQI
15th Jul 2026703 PMAQI
15th Jul 2026794 PMAQI
15th Jul 2026565 PMAQI
15th Jul 2026626 PMAQI
15th Jul 2026427 PMAQI
15th Jul 2026598 PMAQI
15th Jul 2026629 PMAQI
15th Jul 20265710 PMAQI
15th Jul 20265311 PMAQI
16th Jul 20265412 AMAQI
16th Jul 2026531 AMAQI
16th Jul 2026482 AMAQI
16th Jul 2026583 AMAQI

32°C27/38°C

16th Jul 2026484 AMAQI
16th Jul 2026555 AMAQI
16th Jul 2026646 AMAQI
16th Jul 2026587 AMAQI
16th Jul 2026628 AMAQI
16th Jul 2026369 AMAQI
16th Jul 20265410 AMAQI
16th Jul 20266811 AMAQI
16th Jul 20265612 PMAQI
16th Jul 2026661 PMAQI
16th Jul 2026662 PMAQI
16th Jul 2026733 PMAQI
16th Jul 2026644 PMAQI
16th Jul 2026425 PMAQI
16th Jul 2026546 PMAQI
16th Jul 2026537 PMAQI
16th Jul 2026768 PMAQI
16th Jul 2026369 PMAQI
16th Jul 20262910 PMAQI
16th Jul 20263311 PMAQI
17th Jul 20265112 AMAQI
17th Jul 2026171 AMAQI
17th Jul 2026192 AMAQI
17th Jul 2026193 AMAQI

30°C26/36°C

17th Jul 2026254 AMAQI
17th Jul 2026275 AMAQI
17th Jul 2026296 AMAQI
17th Jul 2026337 AMAQI
17th Jul 2026368 AMAQI
17th Jul 2026489 AMAQI
17th Jul 20265010 AMAQI
17th Jul 20266511 AMAQI
17th Jul 20266212 PMAQI
17th Jul 2026601 PMAQI
17th Jul 2026602 PMAQI
17th Jul 2026583 PMAQI
17th Jul 2026554 PMAQI
17th Jul 2026535 PMAQI
17th Jul 2026406 PMAQI
17th Jul 2026387 PMAQI
17th Jul 2026338 PMAQI
17th Jul 2026319 PMAQI
17th Jul 20263310 PMAQI
17th Jul 20263611 PMAQI
18th Jul 20263612 AMAQI
18th Jul 2026361 AMAQI
18th Jul 2026292 AMAQI
18th Jul 2026293 AMAQI

28°C25/30°C

18th Jul 2026254 AMAQI
18th Jul 2026215 AMAQI
18th Jul 2026276 AMAQI
18th Jul 2026217 AMAQI
18th Jul 2026218 AMAQI
18th Jul 2026299 AMAQI
18th Jul 20262510 AMAQI
18th Jul 20262511 AMAQI
18th Jul 20262312 PMAQI
18th Jul 2026211 PMAQI
18th Jul 2026212 PMAQI
18th Jul 2026253 PMAQI
18th Jul 2026214 PMAQI
18th Jul 2026255 PMAQI
18th Jul 2026296 PMAQI
18th Jul 2026277 PMAQI
18th Jul 2026278 PMAQI
18th Jul 2026299 PMAQI
18th Jul 20262910 PMAQI
18th Jul 20263311 PMAQI
19th Jul 20263112 AMAQI
19th Jul 2026291 AMAQI
19th Jul 2026312 AMAQI
19th Jul 2026313 AMAQI

26°C24/27°C

19th Jul 2026274 AMAQI
19th Jul 2026365 AMAQI
19th Jul 2026426 AMAQI
19th Jul 2026487 AMAQI
19th Jul 2026428 AMAQI
19th Jul 2026389 AMAQI
19th Jul 20262710 AMAQI
19th Jul 20262911 AMAQI
19th Jul 20262512 PMAQI
19th Jul 2026291 PMAQI
19th Jul 2026252 PMAQI
19th Jul 2026233 PMAQI
19th Jul 2026254 PMAQI
19th Jul 2026255 PMAQI
19th Jul 2026256 PMAQI
19th Jul 2026277 PMAQI
19th Jul 2026368 PMAQI
19th Jul 2026389 PMAQI
19th Jul 20264010 PMAQI
19th Jul 20263811 PMAQI
20th Jul 20262912 AMAQI
20th Jul 2026291 AMAQI
20th Jul 2026292 AMAQI
20th Jul 2026253 AMAQI

29°C25/34°C

20th Jul 2026294 AMAQI
20th Jul 2026295 AMAQI
20th Jul 2026296 AMAQI
20th Jul 2026317 AMAQI
20th Jul 2026278 AMAQI
20th Jul 2026239 AMAQI
20th Jul 20262310 AMAQI
20th Jul 20262511 AMAQI
20th Jul 20262912 PMAQI
20th Jul 2026231 PMAQI
20th Jul 2026212 PMAQI
20th Jul 2026233 PMAQI
20th Jul 2026234 PMAQI
20th Jul 2026295 PMAQI
20th Jul 2026216 PMAQI
20th Jul 2026257 PMAQI
20th Jul 2026258 PMAQI
20th Jul 2026279 PMAQI
20th Jul 20262710 PMAQI
20th Jul 20263111 PMAQI
21st Jul 20262912 AMAQI
21st Jul 2026381 AMAQI
21st Jul 2026482 AMAQI
21st Jul 2026423 AMAQI

32°C26/37°C

21st Jul 2026474 AMAQI
21st Jul 2026525 AMAQI
21st Jul 2026486 AMAQI
21st Jul 2026567 AMAQI
21st Jul 2026568 AMAQI
21st Jul 2026449 AMAQI
21st Jul 20263310 AMAQI
21st Jul 20263311 AMAQI
21st Jul 2026521 PMAQI
21st Jul 2026532 PMAQI
21st Jul 2026553 PMAQI
21st Jul 2026484 PMAQI
21st Jul 2026445 PMAQI
21st Jul 2026486 PMAQI
21st Jul 2026927 PMAQI
21st Jul 2026538 PMAQI
21st Jul 2026559 PMAQI
21st Jul 20266610 PMAQI
21st Jul 20267011 PMAQI
22nd Jul 20266912 AMAQI
22nd Jul 2026691 AMAQI
22nd Jul 2026692 AMAQI
22nd Jul 2026723 AMAQI

32°C28/38°C

22nd Jul 2026714 AMAQI
22nd Jul 2026585 AMAQI
22nd Jul 2026706 AMAQI
22nd Jul 2026667 AMAQI
22nd Jul 2026568 AMAQI
22nd Jul 2026589 AMAQI
22nd Jul 20266010 AMAQI
22nd Jul 20266211 AMAQI
22nd Jul 20266212 PMAQI
22nd Jul 2026651 PMAQI
22nd Jul 2026622 PMAQI
22nd Jul 2026623 PMAQI
22nd Jul 2026584 PMAQI
22nd Jul 2026705 PMAQI
22nd Jul 2026666 PMAQI
22nd Jul 2026647 PMAQI
22nd Jul 2026628 PMAQI
22nd Jul 2026689 PMAQI
22nd Jul 20266510 PMAQI
22nd Jul 20266011 PMAQI
23rd Jul 20264612 AMAQI
23rd Jul 2026421 AMAQI
23rd Jul 2026422 AMAQI
23rd Jul 2026503 AMAQI

32°C27/39°C

23rd Jul 2026544 AMAQI
23rd Jul 2026535 AMAQI
23rd Jul 2026546 AMAQI
23rd Jul 2026547 AMAQI
23rd Jul 2026528 AMAQI
23rd Jul 2026589 AMAQI
23rd Jul 20265810 AMAQI
23rd Jul 20264911 AMAQI
23rd Jul 20264612 PMAQI
23rd Jul 2026501 PMAQI
23rd Jul 2026522 PMAQI
23rd Jul 2026603 PMAQI
23rd Jul 2026654 PMAQI
23rd Jul 2026645 PMAQI
23rd Jul 2026666 PMAQI
23rd Jul 2026627 PMAQI
23rd Jul 2026538 PMAQI
23rd Jul 2026429 PMAQI
23rd Jul 20263610 PMAQI
23rd Jul 20262911 PMAQI
24th Jul 20262712 AMAQI
24th Jul 2026251 AMAQI
24th Jul 2026252 AMAQI
24th Jul 2026253 AMAQI

32°C27/38°C

24th Jul 2026274 AMAQI
24th Jul 2026255 AMAQI
24th Jul 2026276 AMAQI
24th Jul 2026257 AMAQI
24th Jul 2026258 AMAQI
24th Jul 2026279 AMAQI
24th Jul 20262510 AMAQI
24th Jul 20262911 AMAQI
24th Jul 20263312 PMAQI
24th Jul 2026401 PMAQI
24th Jul 2026422 PMAQI
24th Jul 2026463 PMAQI
24th Jul 2026514 PMAQI
24th Jul 2026545 PMAQI
24th Jul 2026586 PMAQI
24th Jul 2026557 PMAQI
24th Jul 2026488 PMAQI
24th Jul 2026449 PMAQI
24th Jul 20264610 PMAQI
24th Jul 20263611 PMAQI
25th Jul 20263112 AMAQI
25th Jul 2026291 AMAQI
25th Jul 2026292 AMAQI
25th Jul 2026293 AMAQI

29°C26/33°C

25th Jul 2026314 AMAQI
25th Jul 2026315 AMAQI
25th Jul 2026336 AMAQI
25th Jul 2026297 AMAQI
25th Jul 2026278 AMAQI
25th Jul 2026269 AMAQI
25th Jul 20262910 AMAQI
25th Jul 20263211 AMAQI
25th Jul 20263612 PMAQI
25th Jul 2026381 PMAQI
25th Jul 2026362 PMAQI
25th Jul 2026333 PMAQI
25th Jul 2026294 PMAQI
25th Jul 2026315 PMAQI
25th Jul 2026276 PMAQI
25th Jul 2026337 PMAQI
25th Jul 2026428 PMAQI
25th Jul 2026389 PMAQI
25th Jul 20262110 PMAQI
25th Jul 20262111 PMAQI
26th Jul 20263812 AMAQI
26th Jul 2026341 AMAQI
26th Jul 2026332 AMAQI
26th Jul 2026253 AMAQI

29°C25/36°C

26th Jul 2026254 AMAQI
26th Jul 2026335 AMAQI
26th Jul 2026346 AMAQI
26th Jul 2026257 AMAQI
26th Jul 2026298 AMAQI
26th Jul 2026299 AMAQI
26th Jul 20262310 AMAQI
26th Jul 20262111 AMAQI
26th Jul 20262512 PMAQI
26th Jul 2026271 PMAQI
26th Jul 2026292 PMAQI
26th Jul 2026213 PMAQI
26th Jul 2026254 PMAQI
26th Jul 2026295 PMAQI
26th Jul 2026296 PMAQI
26th Jul 2026257 PMAQI
26th Jul 2026258 PMAQI
26th Jul 2026219 PMAQI
26th Jul 20263110 PMAQI
26th Jul 20262911 PMAQI
27th Jul 20263612 AMAQI
27th Jul 2026271 AMAQI
27th Jul 2026292 AMAQI
27th Jul 2026213 AMAQI

27°C25/32°C

27th Jul 2026234 AMAQI
27th Jul 2026215 AMAQI
27th Jul 2026216 AMAQI
27th Jul 2026257 AMAQI
27th Jul 2026368 AMAQI
27th Jul 2026469 AMAQI
27th Jul 20263310 AMAQI
27th Jul 20263611 AMAQI
27th Jul 20262912 PMAQI
27th Jul 2026331 PMAQI
27th Jul 2026272 PMAQI
27th Jul 2026253 PMAQI
27th Jul 2026274 PMAQI
27th Jul 2026255 PMAQI
27th Jul 2026256 PMAQI
27th Jul 2026297 PMAQI
27th Jul 2026338 PMAQI
27th Jul 2026219 PMAQI
27th Jul 20262710 PMAQI
27th Jul 20262511 PMAQI
28th Jul 20262512 AMAQI
28th Jul 2026211 AMAQI
28th Jul 2026252 AMAQI
28th Jul 2026213 AMAQI

27°C24/31°C

28th Jul 2026254 AMAQI
28th Jul 2026255 AMAQI
28th Jul 2026256 AMAQI
28th Jul 2026257 AMAQI
28th Jul 2026238 AMAQI
28th Jul 2026219 AMAQI
28th Jul 20262310 AMAQI
28th Jul 20262111 AMAQI
28th Jul 20262112 PMAQI
28th Jul 2026251 PMAQI
28th Jul 2026292 PMAQI
28th Jul 2026363 PMAQI
28th Jul 2026384 PMAQI
28th Jul 2026365 PMAQI
28th Jul 2026336 PMAQI
28th Jul 2026367 PMAQI
28th Jul 2026388 PMAQI
28th Jul 2026409 PMAQI
28th Jul 20263810 PMAQI
28th Jul 20264011 PMAQI
29th Jul 20264012 AMAQI
29th Jul 2026501 AMAQI
29th Jul 2026542 AMAQI
29th Jul 2026463 AMAQI

25°C23/28°C

29th Jul 2026444 AMAQI
29th Jul 2026465 AMAQI
29th Jul 2026296 AMAQI
29th Jul 2026297 AMAQI
29th Jul 2026258 AMAQI
29th Jul 2026219 AMAQI
29th Jul 20262310 AMAQI
29th Jul 20262511 AMAQI
29th Jul 20262112 PMAQI
29th Jul 2026421 PMAQI
29th Jul 2026332 PMAQI
29th Jul 2026213 PMAQI
29th Jul 2026214 PMAQI
29th Jul 2026275 PMAQI
29th Jul 2026256 PMAQI
29th Jul 2026257 PMAQI
29th Jul 2026258 PMAQI
29th Jul 2026219 PMAQI
29th Jul 20262910 PMAQI
29th Jul 20262511 PMAQI
30th Jul 20262512 AMAQI
30th Jul 2026211 AMAQI
30th Jul 2026252 AMAQI
30th Jul 2026213 AMAQI

28°C22/35°C

30th Jul 2026254 AMAQI
30th Jul 2026275 AMAQI
30th Jul 2026276 AMAQI
30th Jul 2026237 AMAQI
30th Jul 2026238 AMAQI
30th Jul 2026239 AMAQI
30th Jul 20262110 AMAQI
30th Jul 20262111 AMAQI
30th Jul 20262512 PMAQI
30th Jul 2026311 PMAQI
30th Jul 2026322 PMAQI
30th Jul 2026233 PMAQI
30th Jul 2026214 PMAQI
30th Jul 2026215 PMAQI
30th Jul 2026406 PMAQI
30th Jul 2026277 PMAQI
30th Jul 2026298 PMAQI
30th Jul 2026319 PMAQI
30th Jul 20262910 PMAQI
30th Jul 20262911 PMAQI
31st Jul 20262712 AMAQI
31st Jul 2026291 AMAQI
31st Jul 2026292 AMAQI
31st Jul 2026293 AMAQI

30°C25/36°C

31st Jul 2026294 AMAQI
4 AM
31st Jul 2026315 AMAQI
31st Jul 2026296 AMAQI
31st Jul 2026317 AMAQI
31st Jul 2026318 AMAQI
31st Jul 2026299 AMAQI
31st Jul 20262910 AMAQI
31st Jul 20263311 AMAQI
11 AM
31st Jul 20263312 PMAQI
31st Jul 2026331 PMAQI
31st Jul 2026362 PMAQI
31st Jul 2026363 PMAQI
31st Jul 2026334 PMAQI
31st Jul 2026365 PMAQI
31st Jul 2026386 PMAQI
6 PM
31st Jul 2026367 PMAQI
31st Jul 2026368 PMAQI
31st Jul 2026409 PMAQI
31st Jul 20263810 PMAQI
31st Jul 20264011 PMAQI
11 PM
3 AM

30°C25/35°C

Day time
Avg. Highest Time
6 PM

39AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
9 AM - 10 AM

31AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 PM to 6 PM (Avg. 39), while the lowest AQI was between 9 AM to 10 AM (Avg. 31).
Night time
Avg. Highest Time
7 PM

40AQI

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 7 PM to 7 PM (Avg. 40), while the lowest AQI was between 3 AM to 3 AM (Avg. 33).

2026 Days Vs Air Quality

Iidacho, Fukayacho, Saitama, Japan

2026

83%

176

17%

36

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

Good
176 Days
Moderate
36 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 83%

Health Risk Level:

Low

In 2026, 83% of 212 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.

Annual Air Quality Insights

Iidacho, Fukayacho, Saitama, 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
23AQI (US)
2nd January 2026
23AQI (US)
3rd January 2026
22AQI (US)
4th January 2026
24AQI (US)
5th January 2026
33AQI (US)
6th January 2026
22AQI (US)
7th January 2026
29AQI (US)
8th January 2026
32AQI (US)
9th January 2026
19AQI (US)
10th January 2026
37AQI (US)
11th January 2026
36AQI (US)
12th January 2026
14AQI (US)
13th January 2026
24AQI (US)
14th January 2026
17AQI (US)
15th January 2026
34AQI (US)
16th January 2026
46AQI (US)
17th January 2026
39AQI (US)
18th January 2026
28AQI (US)
19th January 2026
51AQI (US)
20th January 2026
31AQI (US)
21st January 2026
11AQI (US)
22nd January 2026
23AQI (US)
23rd January 2026
37AQI (US)
24th January 2026
40AQI (US)
25th January 2026
43AQI (US)
26th January 2026
30AQI (US)
27th January 2026
40AQI (US)
28th January 2026
28AQI (US)
29th January 2026
26AQI (US)
30th January 2026
34AQI (US)
31st January 2026
37AQI (US)
1st February 2026
34AQI (US)
2nd February 2026
41AQI (US)
3rd February 2026
31AQI (US)
4th February 2026
44AQI (US)
5th February 2026
50AQI (US)
6th February 2026
42AQI (US)
7th February 2026
17AQI (US)
8th February 2026
15AQI (US)
9th February 2026
33AQI (US)
10th February 2026
38AQI (US)
11th February 2026
46AQI (US)
12th February 2026
27AQI (US)
13th February 2026
45AQI (US)
14th February 2026
65AQI (US)
15th February 2026
66AQI (US)
16th February 2026
45AQI (US)
17th February 2026
24AQI (US)
18th February 2026
34AQI (US)
19th February 2026
22AQI (US)
20th February 2026
21AQI (US)
21st February 2026
47AQI (US)
22nd February 2026
45AQI (US)
23rd February 2026
41AQI (US)
24th February 2026
40AQI (US)
25th February 2026
43AQI (US)
26th February 2026
14AQI (US)
27th February 2026
35AQI (US)
28th February 2026
46AQI (US)
1st March 2026
40AQI (US)
2nd March 2026
89AQI (US)
3rd March 2026
46AQI (US)
4th March 2026
64AQI (US)
5th March 2026
63AQI (US)
6th March 2026
52AQI (US)
7th March 2026
48AQI (US)
8th March 2026
47AQI (US)
9th March 2026
46AQI (US)
10th March 2026
58AQI (US)
11th March 2026
60AQI (US)
12th March 2026
70AQI (US)
13th March 2026
43AQI (US)
14th March 2026
49AQI (US)
15th March 2026
62AQI (US)
16th March 2026
59AQI (US)
17th March 2026
58AQI (US)
18th March 2026
60AQI (US)
19th March 2026
40AQI (US)
20th March 2026
39AQI (US)
21st March 2026
54AQI (US)
22nd March 2026
50AQI (US)
23rd March 2026
58AQI (US)
24th March 2026
54AQI (US)
25th March 2026
62AQI (US)
26th March 2026
20AQI (US)
27th March 2026
20AQI (US)
28th March 2026
44AQI (US)
29th March 2026
57AQI (US)
30th March 2026
61AQI (US)
31st March 2026
37AQI (US)
1st April 2026
19AQI (US)
2nd April 2026
25AQI (US)
3rd April 2026
47AQI (US)
4th April 2026
55AQI (US)
5th April 2026
30AQI (US)
6th April 2026
23AQI (US)
7th April 2026
45AQI (US)
8th April 2026
24AQI (US)
9th April 2026
34AQI (US)
10th April 2026
49AQI (US)
11th April 2026
39AQI (US)
12th April 2026
32AQI (US)
13th April 2026
34AQI (US)
14th April 2026
40AQI (US)
15th April 2026
39AQI (US)
16th April 2026
34AQI (US)
17th April 2026
39AQI (US)
18th April 2026
36AQI (US)
19th April 2026
40AQI (US)
20th April 2026
36AQI (US)
21st April 2026
41AQI (US)
22nd April 2026
47AQI (US)
23rd April 2026
36AQI (US)
24th April 2026
31AQI (US)
25th April 2026
45AQI (US)
26th April 2026
50AQI (US)
27th April 2026
49AQI (US)
28th April 2026
42AQI (US)
29th April 2026
40AQI (US)
30th April 2026
39AQI (US)
1st May 2026
49AQI (US)
2nd May 2026
52AQI (US)
3rd May 2026
46AQI (US)
4th May 2026
30AQI (US)
5th May 2026
22AQI (US)
6th May 2026
31AQI (US)
7th May 2026
34AQI (US)
8th May 2026
27AQI (US)
9th May 2026
26AQI (US)
10th May 2026
28AQI (US)
11th May 2026
30AQI (US)
12th May 2026
36AQI (US)
13th May 2026
42AQI (US)
14th May 2026
37AQI (US)
15th May 2026
46AQI (US)
16th May 2026
86AQI (US)
17th May 2026
69AQI (US)
18th May 2026
53AQI (US)
19th May 2026
49AQI (US)
20th May 2026
61AQI (US)
21st May 2026
59AQI (US)
22nd May 2026
61AQI (US)
23rd May 2026
53AQI (US)
24th May 2026
59AQI (US)
25th May 2026
48AQI (US)
26th May 2026
40AQI (US)
27th May 2026
26AQI (US)
28th May 2026
26AQI (US)
29th May 2026
24AQI (US)
30th May 2026
25AQI (US)
31st May 2026
35AQI (US)
1st June 2026
41AQI (US)
2nd June 2026
36AQI (US)
3rd June 2026
13AQI (US)
4th June 2026
20AQI (US)
5th June 2026
22AQI (US)
6th June 2026
21AQI (US)
7th June 2026
20AQI (US)
8th June 2026
20AQI (US)
9th June 2026
23AQI (US)
10th June 2026
23AQI (US)
11th June 2026
25AQI (US)
12th June 2026
25AQI (US)
13th June 2026
27AQI (US)
14th June 2026
36AQI (US)
15th June 2026
19AQI (US)
16th June 2026
22AQI (US)
17th June 2026
25AQI (US)
18th June 2026
26AQI (US)
19th June 2026
31AQI (US)
20th June 2026
23AQI (US)
21st June 2026
19AQI (US)
22nd June 2026
19AQI (US)
23rd June 2026
22AQI (US)
24th June 2026
22AQI (US)
25th June 2026
24AQI (US)
26th June 2026
29AQI (US)
27th June 2026
27AQI (US)
28th June 2026
29AQI (US)
29th June 2026
27AQI (US)
30th June 2026
26AQI (US)
1st July 2026
28AQI (US)
2nd July 2026
27AQI (US)
3rd July 2026
15AQI (US)
4th July 2026
42AQI (US)
5th July 2026
24AQI (US)
6th July 2026
28AQI (US)
7th July 2026
27AQI (US)
8th July 2026
26AQI (US)
9th July 2026
27AQI (US)
10th July 2026
29AQI (US)
11th July 2026
31AQI (US)
12th July 2026
32AQI (US)
13th July 2026
54AQI (US)
14th July 2026
50AQI (US)
15th July 2026
58AQI (US)
16th July 2026
54AQI (US)
17th July 2026
41AQI (US)
18th July 2026
26AQI (US)
19th July 2026
32AQI (US)
20th July 2026
26AQI (US)
21st July 2026
51AQI (US)
22nd July 2026
64AQI (US)
23rd July 2026
52AQI (US)
24th July 2026
36AQI (US)
25th July 2026
31AQI (US)
26th July 2026
28AQI (US)
27th July 2026
28AQI (US)
28th July 2026
29AQI (US)
29th July 2026
31AQI (US)
30th July 2026
26AQI (US)
31st July 2026
33AQI (US)
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

30AQI (US)

38AQI (US)

52AQI (US)

38AQI (US)

42AQI (US)

25AQI (US)

35AQI (US)

No. of days

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

202637AQI (US)

30
1
26
2
14
17
29
1
22
9
30
25
6
176
36

Highest AQI (US) recorded in

March

52AQI (US)

Lowest AQI (US) recorded in

June

25AQI (US)

202542AQI (US)

29
2
27
1
20
11
25
5
27
4
27
3
21
10
25
6
29
1
11
20
19
11
21
10
281
84

Highest AQI (US) recorded in

October

54AQI (US)

Lowest AQI (US) recorded in

September

33AQI (US)

202438AQI (US)

28
3
26
3
26
5
20
10
27
4
27
3
24
7
30
1
28
2
29
2
27
3
30
1
322
44

Highest AQI (US) recorded in

April

48AQI (US)

Lowest AQI (US) recorded in

August

29AQI (US)

202341AQI (US)

23
8
21
7
19
12
17
13
23
8
22
8
24
7
31
30
28
3
19
10
20
11
277
87

Highest AQI (US) recorded in

April

51AQI (US)

Lowest AQI (US) recorded in

August

28AQI (US)

202240AQI (US)

27
2
16
5
20
11
19
11
25
6
21
9
20
4
1
27
1
26
5
20
10
30
1
251
66

Highest AQI (US) recorded in

August

53AQI (US)

Lowest AQI (US) recorded in

September

32AQI (US)

202136AQI (US)

22
7
21
7
21
10
25
5
24
7
24
6
30
1
30
1
30
27
4
28
2
26
5
308
55

Highest AQI (US) recorded in

March

46AQI (US)

Lowest AQI (US) recorded in

August

28AQI (US)

202037AQI (US)

11
2
18
3
18
25
5
30
1
26
5
19
28
3
14
16
22
9
211
44

Highest AQI (US) recorded in

November

51AQI (US)

Lowest AQI (US) recorded in

September

22AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
42AQI (US)
Least Polluted Year Recorded
2021(Avg.)
36AQI (US)

Iidacho's annual 2026 AQI (US) (37) shows an average percentage change of -4.8% (improved AQI (US)) compared to previous years: 2020 (37), 2021 (36), 2022 (40), 2023 (41), 2024 (38), 2025 (42).