Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Iruma, 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

Iruma, Saitama, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
9th Jul 2025
76AQI
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 1st highest AQI at 54 of Moderate air quality on the same day.

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

Iruma, Saitama, Japan

AQI
Day
Night
.

4 AM30th Jul 2026

6 PM

3 AM31st Jul 2026

Day time
Avg. Highest Time
6PM30th Jul

52AQI

Avg. Lowest Time
10AM30th Jul

28AQI

Night time
Avg. Highest Time
2AM31st Jul

58AQI

Avg. Lowest Time
11PM30th Jul

48AQI

In the last 24 hours,

Iruma's AQI reached its highest point of 58 at 2 AM during the Night, while the lowest point, 28, was recorded at 10 AM during the Day between 30th Jul and 31st Jul 2026.

Day & Night AQI Trend : Jul 2026

Iruma, 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 2026284 AMAQI
2nd Jul 2026245 AMAQI
2nd Jul 2026246 AMAQI
2nd Jul 2026247 AMAQI
2nd Jul 2026248 AMAQI
2nd Jul 2026269 AMAQI
2nd Jul 20262410 AMAQI
2nd Jul 20262011 AMAQI
2nd Jul 20261812 PMAQI
2nd Jul 2026181 PMAQI
2nd Jul 2026182 PMAQI
2nd Jul 2026183 PMAQI
2nd Jul 2026204 PMAQI
2nd Jul 2026215 PMAQI
2nd Jul 2026226 PMAQI
2nd Jul 2026237 PMAQI
2nd Jul 202688 PMAQI
2nd Jul 202689 PMAQI
2nd Jul 2026810 PMAQI
2nd Jul 2026811 PMAQI
3rd Jul 20261012 AMAQI
3rd Jul 2026101 AMAQI
3rd Jul 2026112 AMAQI
3rd Jul 2026123 AMAQI

22°C21/24°C

3rd Jul 2026104 AMAQI
3rd Jul 2026125 AMAQI
3rd Jul 2026106 AMAQI
3rd Jul 202687 AMAQI
3rd Jul 202688 AMAQI
3rd Jul 202679 AMAQI
3rd Jul 2026610 AMAQI
3rd Jul 2026811 AMAQI
3rd Jul 2026812 PMAQI
3rd Jul 202681 PMAQI
3rd Jul 202682 PMAQI
3rd Jul 2026123 PMAQI
3rd Jul 2026134 PMAQI
3rd Jul 2026255 PMAQI
3rd Jul 2026236 PMAQI
3rd Jul 2026247 PMAQI
3rd Jul 2026248 PMAQI
3rd Jul 2026249 PMAQI
3rd Jul 20262610 PMAQI
3rd Jul 20262811 PMAQI
4th Jul 20262812 AMAQI
4th Jul 2026301 AMAQI
4th Jul 2026282 AMAQI
4th Jul 2026293 AMAQI

22°C21/25°C

4th Jul 2026254 AMAQI
4th Jul 2026435 AMAQI
4th Jul 2026396 AMAQI
4th Jul 2026357 AMAQI
4th Jul 2026408 AMAQI
4th Jul 2026629 AMAQI
4th Jul 20267410 AMAQI
4th Jul 20264711 AMAQI
4th Jul 20267912 PMAQI
4th Jul 2026811 PMAQI
4th Jul 2026702 PMAQI
4th Jul 2026563 PMAQI
4th Jul 2026554 PMAQI
4th Jul 2026505 PMAQI
4th Jul 2026236 PMAQI
4th Jul 2026197 PMAQI
4th Jul 2026148 PMAQI
4th Jul 2026129 PMAQI
4th Jul 20261210 PMAQI
4th Jul 20261211 PMAQI
5th Jul 20261212 AMAQI
5th Jul 2026121 AMAQI
5th Jul 202692 AMAQI
5th Jul 2026183 AMAQI

23°C21/25°C

5th Jul 2026174 AMAQI
5th Jul 2026185 AMAQI
5th Jul 2026166 AMAQI
5th Jul 2026117 AMAQI
5th Jul 2026188 AMAQI
5th Jul 2026149 AMAQI
5th Jul 2026710 AMAQI
5th Jul 2026711 AMAQI
5th Jul 2026712 PMAQI
5th Jul 2026121 PMAQI
5th Jul 2026132 PMAQI
5th Jul 2026143 PMAQI
5th Jul 2026164 PMAQI
5th Jul 2026125 PMAQI
5th Jul 2026186 PMAQI
5th Jul 2026217 PMAQI
5th Jul 2026268 PMAQI
5th Jul 2026259 PMAQI
5th Jul 20262710 PMAQI
5th Jul 20263011 PMAQI
6th Jul 20262512 AMAQI
6th Jul 2026291 AMAQI
6th Jul 2026302 AMAQI
6th Jul 2026273 AMAQI

24°C22/27°C

6th Jul 2026254 AMAQI
6th Jul 2026255 AMAQI
6th Jul 2026276 AMAQI
6th Jul 2026247 AMAQI
6th Jul 2026258 AMAQI
6th Jul 2026259 AMAQI
6th Jul 20262410 AMAQI
6th Jul 20262711 AMAQI
6th Jul 20263612 PMAQI
6th Jul 2026371 PMAQI
6th Jul 2026342 PMAQI
6th Jul 2026383 PMAQI
6th Jul 2026384 PMAQI
6th Jul 2026315 PMAQI
6th Jul 2026216 PMAQI
6th Jul 2026237 PMAQI
6th Jul 2026278 PMAQI
6th Jul 2026299 PMAQI
6th Jul 20262610 PMAQI
6th Jul 20262711 PMAQI
7th Jul 20262612 AMAQI
7th Jul 2026281 AMAQI
7th Jul 2026272 AMAQI
7th Jul 2026303 AMAQI

22°C21/23°C

7th Jul 2026264 AMAQI
7th Jul 2026275 AMAQI
7th Jul 2026276 AMAQI
7th Jul 2026247 AMAQI
7th Jul 2026258 AMAQI
7th Jul 2026229 AMAQI
7th Jul 20262310 AMAQI
7th Jul 20262211 AMAQI
7th Jul 20262112 PMAQI
7th Jul 2026201 PMAQI
7th Jul 2026222 PMAQI
7th Jul 2026283 PMAQI
7th Jul 2026264 PMAQI
7th Jul 2026265 PMAQI
7th Jul 2026286 PMAQI
7th Jul 2026277 PMAQI
7th Jul 2026268 PMAQI
7th Jul 2026269 PMAQI
7th Jul 20262610 PMAQI
7th Jul 20262611 PMAQI
8th Jul 20262812 AMAQI
8th Jul 2026321 AMAQI
8th Jul 2026302 AMAQI
8th Jul 2026293 AMAQI

24°C20/29°C

8th Jul 2026264 AMAQI
8th Jul 2026295 AMAQI
8th Jul 2026276 AMAQI
8th Jul 2026287 AMAQI
8th Jul 2026288 AMAQI
8th Jul 2026279 AMAQI
8th Jul 20262610 AMAQI
8th Jul 20262411 AMAQI
8th Jul 20262312 PMAQI
8th Jul 2026241 PMAQI
8th Jul 2026242 PMAQI
8th Jul 2026283 PMAQI
8th Jul 2026264 PMAQI
8th Jul 2026265 PMAQI
8th Jul 2026246 PMAQI
8th Jul 2026207 PMAQI
8th Jul 2026208 PMAQI
8th Jul 2026229 PMAQI
8th Jul 20262110 PMAQI
8th Jul 20262411 PMAQI
9th Jul 20262612 AMAQI
9th Jul 2026261 AMAQI
9th Jul 2026272 AMAQI
9th Jul 2026283 AMAQI

26°C21/30°C

9th Jul 2026244 AMAQI
9th Jul 2026265 AMAQI
9th Jul 2026266 AMAQI
9th Jul 2026287 AMAQI
9th Jul 2026268 AMAQI
9th Jul 2026249 AMAQI
9th Jul 20262210 AMAQI
9th Jul 20262211 AMAQI
9th Jul 20262212 PMAQI
9th Jul 2026221 PMAQI
9th Jul 2026242 PMAQI
9th Jul 2026253 PMAQI
9th Jul 2026264 PMAQI
9th Jul 2026245 PMAQI
9th Jul 2026226 PMAQI
9th Jul 2026247 PMAQI
9th Jul 2026238 PMAQI
9th Jul 2026229 PMAQI
9th Jul 20262310 PMAQI
9th Jul 20262511 PMAQI
10th Jul 20262512 AMAQI
10th Jul 2026251 AMAQI
10th Jul 2026242 AMAQI
10th Jul 2026153 AMAQI

27°C23/32°C

10th Jul 2026224 AMAQI
10th Jul 2026265 AMAQI
10th Jul 2026276 AMAQI
10th Jul 2026267 AMAQI
10th Jul 2026278 AMAQI
10th Jul 2026289 AMAQI
10th Jul 20262810 AMAQI
10th Jul 20262611 AMAQI
10th Jul 20262812 PMAQI
10th Jul 2026381 PMAQI
10th Jul 2026282 PMAQI
10th Jul 2026243 PMAQI
10th Jul 2026264 PMAQI
10th Jul 2026275 PMAQI
10th Jul 2026246 PMAQI
10th Jul 2026207 PMAQI
10th Jul 2026208 PMAQI
10th Jul 2026229 PMAQI
10th Jul 20261810 PMAQI
10th Jul 20263111 PMAQI
11th Jul 20262912 AMAQI
11th Jul 2026191 AMAQI
11th Jul 2026252 AMAQI
11th Jul 2026193 AMAQI

28°C24/33°C

11th Jul 2026204 AMAQI
11th Jul 2026225 AMAQI
11th Jul 2026236 AMAQI
11th Jul 2026277 AMAQI
11th Jul 2026248 AMAQI
11th Jul 2026319 AMAQI
11th Jul 20263110 AMAQI
11th Jul 20262811 AMAQI
11th Jul 20262512 PMAQI
11th Jul 2026241 PMAQI
11th Jul 2026242 PMAQI
11th Jul 2026233 PMAQI
11th Jul 2026264 PMAQI
11th Jul 2026295 PMAQI
11th Jul 2026286 PMAQI
11th Jul 2026287 PMAQI
11th Jul 2026258 PMAQI
11th Jul 2026289 PMAQI
11th Jul 20263010 PMAQI
11th Jul 20263011 PMAQI
12th Jul 20263012 AMAQI
12th Jul 2026301 AMAQI
12th Jul 2026282 AMAQI
12th Jul 2026303 AMAQI

28°C24/33°C

12th Jul 2026264 AMAQI
12th Jul 2026295 AMAQI
12th Jul 2026286 AMAQI
12th Jul 2026307 AMAQI
12th Jul 2026288 AMAQI
12th Jul 2026279 AMAQI
12th Jul 20262910 AMAQI
12th Jul 20262411 AMAQI
12th Jul 20262612 PMAQI
12th Jul 2026221 PMAQI
12th Jul 2026222 PMAQI
12th Jul 2026233 PMAQI
12th Jul 2026264 PMAQI
12th Jul 2026305 PMAQI
12th Jul 2026306 PMAQI
12th Jul 2026297 PMAQI
12th Jul 2026288 PMAQI
12th Jul 2026319 PMAQI
12th Jul 20263210 PMAQI
12th Jul 20262911 PMAQI
13th Jul 20263012 AMAQI
13th Jul 2026311 AMAQI
13th Jul 2026322 AMAQI
13th Jul 2026313 AMAQI

26°C24/29°C

13th Jul 2026294 AMAQI
13th Jul 2026285 AMAQI
13th Jul 2026286 AMAQI
13th Jul 2026277 AMAQI
13th Jul 2026288 AMAQI
13th Jul 2026289 AMAQI
13th Jul 20262810 AMAQI
13th Jul 20262711 AMAQI
13th Jul 20262612 PMAQI
13th Jul 2026221 PMAQI
13th Jul 2026222 PMAQI
13th Jul 2026203 PMAQI
13th Jul 2026244 PMAQI
13th Jul 2026285 PMAQI
13th Jul 2026326 PMAQI
13th Jul 2026327 PMAQI
13th Jul 2026328 PMAQI
13th Jul 2026339 PMAQI
13th Jul 20263210 PMAQI
13th Jul 20263511 PMAQI
14th Jul 20263312 AMAQI
14th Jul 2026331 AMAQI
14th Jul 2026342 AMAQI
14th Jul 2026323 AMAQI

27°C25/28°C

14th Jul 2026284 AMAQI
14th Jul 2026315 AMAQI
14th Jul 2026316 AMAQI
14th Jul 2026297 AMAQI
14th Jul 2026288 AMAQI
14th Jul 2026329 AMAQI
14th Jul 20263310 AMAQI
14th Jul 20262611 AMAQI
14th Jul 20262412 PMAQI
14th Jul 2026231 PMAQI
14th Jul 2026222 PMAQI
14th Jul 2026203 PMAQI
14th Jul 2026224 PMAQI
14th Jul 2026305 PMAQI
14th Jul 2026296 PMAQI
14th Jul 2026307 PMAQI
14th Jul 2026308 PMAQI
14th Jul 2026309 PMAQI
14th Jul 20263210 PMAQI
14th Jul 20263411 PMAQI
15th Jul 20263412 AMAQI
15th Jul 2026341 AMAQI
15th Jul 2026342 AMAQI
15th Jul 2026333 AMAQI

29°C25/34°C

15th Jul 2026314 AMAQI
15th Jul 2026335 AMAQI
15th Jul 2026286 AMAQI
15th Jul 2026327 AMAQI
15th Jul 2026328 AMAQI
15th Jul 2026329 AMAQI
15th Jul 20263410 AMAQI
15th Jul 20263011 AMAQI
15th Jul 20262812 PMAQI
15th Jul 2026221 PMAQI
15th Jul 2026222 PMAQI
15th Jul 2026323 PMAQI
15th Jul 2026374 PMAQI
15th Jul 2026365 PMAQI
15th Jul 2026306 PMAQI
15th Jul 2026247 PMAQI
15th Jul 2026288 PMAQI
15th Jul 2026269 PMAQI
15th Jul 20263010 PMAQI
15th Jul 20262811 PMAQI
16th Jul 20262912 AMAQI
16th Jul 2026291 AMAQI
16th Jul 2026302 AMAQI
16th Jul 2026303 AMAQI

31°C27/36°C

16th Jul 2026284 AMAQI
16th Jul 2026325 AMAQI
16th Jul 2026306 AMAQI
16th Jul 2026327 AMAQI
16th Jul 2026328 AMAQI
16th Jul 2026329 AMAQI
16th Jul 20263210 AMAQI
16th Jul 20263011 AMAQI
16th Jul 20262912 PMAQI
16th Jul 2026281 PMAQI
16th Jul 2026352 PMAQI
16th Jul 2026283 PMAQI
16th Jul 2026284 PMAQI
16th Jul 2026685 PMAQI
16th Jul 2026626 PMAQI
16th Jul 2026677 PMAQI
16th Jul 2026708 PMAQI
16th Jul 2026769 PMAQI
16th Jul 20266610 PMAQI
16th Jul 20264911 PMAQI
17th Jul 20264112 AMAQI
17th Jul 2026381 AMAQI
17th Jul 2026342 AMAQI
17th Jul 2026303 AMAQI

31°C26/36°C

17th Jul 2026334 AMAQI
17th Jul 2026285 AMAQI
17th Jul 2026326 AMAQI
17th Jul 2026347 AMAQI
17th Jul 2026298 AMAQI
17th Jul 2026299 AMAQI
17th Jul 20264010 AMAQI
17th Jul 20265411 AMAQI
17th Jul 20266212 PMAQI
17th Jul 2026621 PMAQI
17th Jul 2026662 PMAQI
17th Jul 2026613 PMAQI
17th Jul 2026434 PMAQI
17th Jul 2026345 PMAQI
17th Jul 2026346 PMAQI
17th Jul 2026447 PMAQI
17th Jul 2026518 PMAQI
17th Jul 2026529 PMAQI
17th Jul 20265210 PMAQI
17th Jul 20265011 PMAQI
18th Jul 20264712 AMAQI
18th Jul 2026441 AMAQI
18th Jul 2026402 AMAQI
18th Jul 2026383 AMAQI

28°C26/31°C

18th Jul 2026374 AMAQI
18th Jul 2026325 AMAQI
18th Jul 2026366 AMAQI
18th Jul 2026337 AMAQI
18th Jul 2026268 AMAQI
18th Jul 2026269 AMAQI
18th Jul 20262810 AMAQI
18th Jul 20262311 AMAQI
18th Jul 20262312 PMAQI
18th Jul 2026251 PMAQI
18th Jul 2026232 PMAQI
18th Jul 2026243 PMAQI
18th Jul 2026324 PMAQI
18th Jul 2026285 PMAQI
18th Jul 2026346 PMAQI
18th Jul 2026327 PMAQI
18th Jul 2026368 PMAQI
18th Jul 2026319 PMAQI
18th Jul 20263410 PMAQI
18th Jul 20263011 PMAQI
19th Jul 20263012 AMAQI
19th Jul 2026321 AMAQI
19th Jul 2026282 AMAQI
19th Jul 2026233 AMAQI

28°C25/31°C

19th Jul 2026234 AMAQI
19th Jul 2026275 AMAQI
19th Jul 2026296 AMAQI
19th Jul 2026327 AMAQI
19th Jul 2026398 AMAQI
19th Jul 2026349 AMAQI
19th Jul 20264010 AMAQI
19th Jul 20263811 AMAQI
19th Jul 20263412 PMAQI
19th Jul 2026301 PMAQI
19th Jul 2026362 PMAQI
19th Jul 2026303 PMAQI
19th Jul 2026294 PMAQI
19th Jul 2026305 PMAQI
19th Jul 2026356 PMAQI
19th Jul 2026287 PMAQI
19th Jul 2026308 PMAQI
19th Jul 2026329 PMAQI
19th Jul 20264010 PMAQI
19th Jul 20263811 PMAQI
20th Jul 20264012 AMAQI
20th Jul 2026451 AMAQI
20th Jul 2026452 AMAQI
20th Jul 2026343 AMAQI

29°C25/33°C

20th Jul 2026394 AMAQI
20th Jul 2026325 AMAQI
20th Jul 2026286 AMAQI
20th Jul 2026237 AMAQI
20th Jul 2026238 AMAQI
20th Jul 2026289 AMAQI
20th Jul 20263610 AMAQI
20th Jul 20263711 AMAQI
20th Jul 20263412 PMAQI
20th Jul 2026381 PMAQI
20th Jul 2026302 PMAQI
20th Jul 2026323 PMAQI
20th Jul 2026374 PMAQI
20th Jul 2026345 PMAQI
20th Jul 2026366 PMAQI
20th Jul 2026347 PMAQI
20th Jul 2026308 PMAQI
20th Jul 2026309 PMAQI
20th Jul 20263810 PMAQI
20th Jul 20263411 PMAQI
21st Jul 20263212 AMAQI
21st Jul 2026271 AMAQI
21st Jul 2026292 AMAQI
21st Jul 2026273 AMAQI

32°C27/37°C

21st Jul 2026344 AMAQI
21st Jul 2026395 AMAQI
21st Jul 2026526 AMAQI
21st Jul 2026537 AMAQI
21st Jul 2026548 AMAQI
21st Jul 2026569 AMAQI
21st Jul 20265410 AMAQI
21st Jul 20265611 AMAQI
21st Jul 2026541 PMAQI
21st Jul 2026522 PMAQI
21st Jul 2026543 PMAQI
21st Jul 2026564 PMAQI
21st Jul 2026565 PMAQI
21st Jul 2026586 PMAQI
21st Jul 2026947 PMAQI
21st Jul 2026568 PMAQI
21st Jul 2026549 PMAQI
21st Jul 20265510 PMAQI
21st Jul 20265611 PMAQI
22nd Jul 20265812 AMAQI
22nd Jul 2026551 AMAQI
22nd Jul 2026602 AMAQI
22nd Jul 2026543 AMAQI

33°C29/38°C

22nd Jul 2026554 AMAQI
22nd Jul 2026625 AMAQI
22nd Jul 2026626 AMAQI
22nd Jul 2026617 AMAQI
22nd Jul 2026688 AMAQI
22nd Jul 2026589 AMAQI
22nd Jul 20266010 AMAQI
22nd Jul 20266611 AMAQI
22nd Jul 20266812 PMAQI
22nd Jul 2026701 PMAQI
22nd Jul 2026682 PMAQI
22nd Jul 2026663 PMAQI
22nd Jul 2026634 PMAQI
22nd Jul 2026645 PMAQI
22nd Jul 2026676 PMAQI
22nd Jul 2026637 PMAQI
22nd Jul 2026668 PMAQI
22nd Jul 2026639 PMAQI
22nd Jul 20266210 PMAQI
22nd Jul 20266911 PMAQI
23rd Jul 20266812 AMAQI
23rd Jul 2026631 AMAQI
23rd Jul 2026472 AMAQI
23rd Jul 2026343 AMAQI

33°C28/38°C

23rd Jul 2026364 AMAQI
23rd Jul 2026425 AMAQI
23rd Jul 2026496 AMAQI
23rd Jul 2026507 AMAQI
23rd Jul 2026528 AMAQI
23rd Jul 2026589 AMAQI
23rd Jul 20266310 AMAQI
23rd Jul 20266111 AMAQI
23rd Jul 20265612 PMAQI
23rd Jul 2026551 PMAQI
23rd Jul 2026502 PMAQI
23rd Jul 2026503 PMAQI
23rd Jul 2026604 PMAQI
23rd Jul 2026645 PMAQI
23rd Jul 2026686 PMAQI
23rd Jul 2026667 PMAQI
23rd Jul 2026588 PMAQI
23rd Jul 2026569 PMAQI
23rd Jul 20264410 PMAQI
23rd Jul 20263711 PMAQI
24th Jul 20263712 AMAQI
24th Jul 2026311 AMAQI
24th Jul 2026302 AMAQI
24th Jul 2026303 AMAQI

32°C28/38°C

24th Jul 2026294 AMAQI
24th Jul 2026275 AMAQI
24th Jul 2026266 AMAQI
24th Jul 2026277 AMAQI
24th Jul 2026258 AMAQI
24th Jul 2026249 AMAQI
24th Jul 20262810 AMAQI
24th Jul 20263211 AMAQI
24th Jul 20264312 PMAQI
24th Jul 2026541 PMAQI
24th Jul 2026622 PMAQI
24th Jul 2026683 PMAQI
24th Jul 2026724 PMAQI
24th Jul 2026685 PMAQI
24th Jul 2026566 PMAQI
24th Jul 2026487 PMAQI
24th Jul 2026548 PMAQI
24th Jul 2026469 PMAQI
24th Jul 20264410 PMAQI
24th Jul 20264411 PMAQI
25th Jul 20264412 AMAQI
25th Jul 2026441 AMAQI
25th Jul 2026512 AMAQI
25th Jul 2026443 AMAQI

30°C27/34°C

25th Jul 2026384 AMAQI
25th Jul 2026365 AMAQI
25th Jul 2026366 AMAQI
25th Jul 2026337 AMAQI
25th Jul 2026398 AMAQI
25th Jul 2026389 AMAQI
25th Jul 20264210 AMAQI
25th Jul 20264811 AMAQI
25th Jul 20265012 PMAQI
25th Jul 2026511 PMAQI
25th Jul 2026442 PMAQI
25th Jul 2026403 PMAQI
25th Jul 2026344 PMAQI
25th Jul 2026225 PMAQI
25th Jul 2026306 PMAQI
25th Jul 2026307 PMAQI
25th Jul 2026258 PMAQI
25th Jul 2026239 PMAQI
25th Jul 20262510 PMAQI
25th Jul 20262911 PMAQI
26th Jul 20263412 AMAQI
26th Jul 2026271 AMAQI
26th Jul 2026252 AMAQI
26th Jul 2026253 AMAQI

29°C25/35°C

26th Jul 2026354 AMAQI
26th Jul 2026405 AMAQI
26th Jul 2026386 AMAQI
26th Jul 2026187 AMAQI
26th Jul 2026188 AMAQI
26th Jul 2026189 AMAQI
26th Jul 20262010 AMAQI
26th Jul 20262111 AMAQI
26th Jul 20262712 PMAQI
26th Jul 2026291 PMAQI
26th Jul 2026342 PMAQI
26th Jul 2026363 PMAQI
26th Jul 2026254 PMAQI
26th Jul 2026255 PMAQI
26th Jul 2026296 PMAQI
26th Jul 2026217 PMAQI
26th Jul 2026218 PMAQI
26th Jul 2026259 PMAQI
26th Jul 20262310 PMAQI
26th Jul 20262511 PMAQI
27th Jul 20262112 AMAQI
27th Jul 2026251 AMAQI
27th Jul 2026252 AMAQI
27th Jul 2026253 AMAQI

28°C26/32°C

27th Jul 2026244 AMAQI
27th Jul 2026225 AMAQI
27th Jul 2026256 AMAQI
27th Jul 2026217 AMAQI
27th Jul 2026218 AMAQI
27th Jul 2026259 AMAQI
27th Jul 20262310 AMAQI
27th Jul 20262311 AMAQI
27th Jul 20262212 PMAQI
27th Jul 2026251 PMAQI
27th Jul 2026282 PMAQI
27th Jul 2026283 PMAQI
27th Jul 2026264 PMAQI
27th Jul 2026345 PMAQI
27th Jul 2026346 PMAQI
27th Jul 2026327 PMAQI
27th Jul 2026288 PMAQI
27th Jul 2026289 PMAQI
27th Jul 20262910 PMAQI
27th Jul 20262611 PMAQI
28th Jul 20262812 AMAQI
28th Jul 2026241 AMAQI
28th Jul 2026212 AMAQI
28th Jul 2026243 AMAQI

27°C24/32°C

28th Jul 2026234 AMAQI
28th Jul 2026255 AMAQI
28th Jul 2026306 AMAQI
28th Jul 2026267 AMAQI
28th Jul 2026248 AMAQI
28th Jul 2026229 AMAQI
28th Jul 20262610 AMAQI
28th Jul 20263611 AMAQI
28th Jul 20262612 PMAQI
28th Jul 2026321 PMAQI
28th Jul 2026382 PMAQI
28th Jul 2026413 PMAQI
28th Jul 2026364 PMAQI
28th Jul 2026445 PMAQI
28th Jul 2026406 PMAQI
28th Jul 2026367 PMAQI
28th Jul 2026378 PMAQI
28th Jul 2026459 PMAQI
28th Jul 20264010 PMAQI
28th Jul 20264511 PMAQI
29th Jul 20263912 AMAQI
29th Jul 2026401 AMAQI
29th Jul 2026392 AMAQI
29th Jul 2026323 AMAQI

26°C23/30°C

29th Jul 2026334 AMAQI
29th Jul 2026365 AMAQI
29th Jul 2026406 AMAQI
29th Jul 2026277 AMAQI
29th Jul 2026278 AMAQI
29th Jul 2026289 AMAQI
29th Jul 20262710 AMAQI
29th Jul 20263411 AMAQI
29th Jul 20263212 PMAQI
29th Jul 2026301 PMAQI
29th Jul 2026302 PMAQI
29th Jul 2026273 PMAQI
29th Jul 2026284 PMAQI
29th Jul 2026305 PMAQI
29th Jul 2026346 PMAQI
29th Jul 2026367 PMAQI
29th Jul 2026348 PMAQI
29th Jul 2026289 PMAQI
29th Jul 20263210 PMAQI
29th Jul 20263011 PMAQI
30th Jul 20262212 AMAQI
30th Jul 2026231 AMAQI
30th Jul 2026302 AMAQI
30th Jul 2026363 AMAQI

29°C23/35°C

30th Jul 2026284 AMAQI
30th Jul 2026365 AMAQI
30th Jul 2026366 AMAQI
30th Jul 2026287 AMAQI
30th Jul 2026288 AMAQI
30th Jul 2026309 AMAQI
30th Jul 20262810 AMAQI
30th Jul 20263211 AMAQI
30th Jul 20263012 PMAQI
30th Jul 2026351 PMAQI
30th Jul 2026302 PMAQI
30th Jul 2026323 PMAQI
30th Jul 2026344 PMAQI
30th Jul 2026345 PMAQI
30th Jul 2026526 PMAQI
30th Jul 2026557 PMAQI
30th Jul 2026558 PMAQI
30th Jul 2026549 PMAQI
30th Jul 20264810 PMAQI
30th Jul 20264811 PMAQI
31st Jul 20265712 AMAQI
31st Jul 2026521 AMAQI
31st Jul 2026582 AMAQI
31st Jul 2026583 AMAQI

31°C26/36°C

31st Jul 2026574 AMAQI
4 AM
31st Jul 2026585 AMAQI
31st Jul 2026586 AMAQI
31st Jul 2026567 AMAQI
31st Jul 2026578 AMAQI
31st Jul 2026549 AMAQI
31st Jul 20265210 AMAQI
31st Jul 20265311 AMAQI
11 AM
31st Jul 20264912 PMAQI
31st Jul 2026471 PMAQI
31st Jul 2026402 PMAQI
31st Jul 2026463 PMAQI
31st Jul 2026484 PMAQI
31st Jul 2026565 PMAQI
31st Jul 2026486 PMAQI
6 PM
31st Jul 2026577 PMAQI
31st Jul 2026618 PMAQI
31st Jul 2026549 PMAQI
31st Jul 20265410 PMAQI
31st Jul 20265811 PMAQI
11 PM
3 AM

31°C27/36°C

Day time
Avg. Highest Time
5 PM - 6 PM

36AQI

2 hours / Day
60 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 5 PM to 6 PM (Avg. 36), while the lowest AQI was between 4 AM to 4 AM (Avg. 30).
Night time
Avg. Highest Time
7 PM - 11 PM

35AQI

5 hours / Day
150 hours / Month
Avg. Lowest Time
3 AM

30AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 11 PM (Avg. 35), while the lowest AQI was between 3 AM to 3 AM (Avg. 30).

2026 Days Vs Air Quality

Iruma, Saitama, Japan

2026

86%

182

14%

30

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

Good
182 Days
Moderate
30 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 86%

Health Risk Level:

Low

In 2026, 86% 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

Iruma, 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
24AQI (US)
2nd January 2026
16AQI (US)
3rd January 2026
20AQI (US)
4th January 2026
19AQI (US)
5th January 2026
28AQI (US)
6th January 2026
21AQI (US)
7th January 2026
32AQI (US)
8th January 2026
27AQI (US)
9th January 2026
19AQI (US)
10th January 2026
28AQI (US)
11th January 2026
26AQI (US)
12th January 2026
18AQI (US)
13th January 2026
29AQI (US)
14th January 2026
18AQI (US)
15th January 2026
30AQI (US)
16th January 2026
46AQI (US)
17th January 2026
42AQI (US)
18th January 2026
29AQI (US)
19th January 2026
40AQI (US)
20th January 2026
43AQI (US)
21st January 2026
18AQI (US)
22nd January 2026
30AQI (US)
23rd January 2026
46AQI (US)
24th January 2026
42AQI (US)
25th January 2026
37AQI (US)
26th January 2026
12AQI (US)
27th January 2026
21AQI (US)
28th January 2026
26AQI (US)
29th January 2026
25AQI (US)
30th January 2026
36AQI (US)
31st January 2026
36AQI (US)
1st February 2026
39AQI (US)
2nd February 2026
48AQI (US)
3rd February 2026
30AQI (US)
4th February 2026
41AQI (US)
5th February 2026
48AQI (US)
6th February 2026
40AQI (US)
7th February 2026
14AQI (US)
8th February 2026
17AQI (US)
9th February 2026
40AQI (US)
10th February 2026
21AQI (US)
11th February 2026
28AQI (US)
12th February 2026
34AQI (US)
13th February 2026
50AQI (US)
14th February 2026
64AQI (US)
15th February 2026
64AQI (US)
16th February 2026
46AQI (US)
17th February 2026
20AQI (US)
18th February 2026
32AQI (US)
19th February 2026
31AQI (US)
20th February 2026
30AQI (US)
21st February 2026
41AQI (US)
22nd February 2026
38AQI (US)
23rd February 2026
42AQI (US)
24th February 2026
38AQI (US)
25th February 2026
36AQI (US)
26th February 2026
10AQI (US)
27th February 2026
28AQI (US)
28th February 2026
48AQI (US)
1st March 2026
50AQI (US)
2nd March 2026
83AQI (US)
3rd March 2026
50AQI (US)
4th March 2026
58AQI (US)
5th March 2026
60AQI (US)
6th March 2026
52AQI (US)
7th March 2026
49AQI (US)
8th March 2026
46AQI (US)
9th March 2026
53AQI (US)
10th March 2026
58AQI (US)
11th March 2026
58AQI (US)
12th March 2026
72AQI (US)
13th March 2026
46AQI (US)
14th March 2026
35AQI (US)
15th March 2026
18AQI (US)
16th March 2026
30AQI (US)
17th March 2026
56AQI (US)
18th March 2026
58AQI (US)
19th March 2026
34AQI (US)
20th March 2026
31AQI (US)
21st March 2026
52AQI (US)
22nd March 2026
52AQI (US)
23rd March 2026
56AQI (US)
24th March 2026
48AQI (US)
25th March 2026
70AQI (US)
26th March 2026
22AQI (US)
27th March 2026
19AQI (US)
28th March 2026
50AQI (US)
29th March 2026
56AQI (US)
30th March 2026
56AQI (US)
31st March 2026
32AQI (US)
1st April 2026
17AQI (US)
2nd April 2026
24AQI (US)
3rd April 2026
44AQI (US)
4th April 2026
46AQI (US)
5th April 2026
38AQI (US)
6th April 2026
28AQI (US)
7th April 2026
42AQI (US)
8th April 2026
23AQI (US)
9th April 2026
33AQI (US)
10th April 2026
49AQI (US)
11th April 2026
42AQI (US)
12th April 2026
31AQI (US)
13th April 2026
38AQI (US)
14th April 2026
49AQI (US)
15th April 2026
46AQI (US)
16th April 2026
34AQI (US)
17th April 2026
32AQI (US)
18th April 2026
34AQI (US)
19th April 2026
40AQI (US)
20th April 2026
38AQI (US)
21st April 2026
40AQI (US)
22nd April 2026
46AQI (US)
23rd April 2026
37AQI (US)
24th April 2026
32AQI (US)
25th April 2026
46AQI (US)
26th April 2026
52AQI (US)
27th April 2026
48AQI (US)
28th April 2026
42AQI (US)
29th April 2026
40AQI (US)
30th April 2026
39AQI (US)
1st May 2026
48AQI (US)
2nd May 2026
49AQI (US)
3rd May 2026
40AQI (US)
4th May 2026
28AQI (US)
5th May 2026
23AQI (US)
6th May 2026
35AQI (US)
7th May 2026
36AQI (US)
8th May 2026
27AQI (US)
9th May 2026
28AQI (US)
10th May 2026
34AQI (US)
11th May 2026
38AQI (US)
12th May 2026
42AQI (US)
13th May 2026
44AQI (US)
14th May 2026
42AQI (US)
15th May 2026
43AQI (US)
16th May 2026
85AQI (US)
17th May 2026
68AQI (US)
18th May 2026
53AQI (US)
19th May 2026
48AQI (US)
20th May 2026
62AQI (US)
21st May 2026
58AQI (US)
22nd May 2026
60AQI (US)
23rd May 2026
54AQI (US)
24th May 2026
58AQI (US)
25th May 2026
48AQI (US)
26th May 2026
38AQI (US)
27th May 2026
24AQI (US)
28th May 2026
25AQI (US)
29th May 2026
25AQI (US)
30th May 2026
24AQI (US)
31st May 2026
31AQI (US)
1st June 2026
38AQI (US)
2nd June 2026
35AQI (US)
3rd June 2026
18AQI (US)
4th June 2026
23AQI (US)
5th June 2026
22AQI (US)
6th June 2026
23AQI (US)
7th June 2026
22AQI (US)
8th June 2026
20AQI (US)
9th June 2026
22AQI (US)
10th June 2026
22AQI (US)
11th June 2026
24AQI (US)
12th June 2026
24AQI (US)
13th June 2026
28AQI (US)
14th June 2026
25AQI (US)
15th June 2026
19AQI (US)
16th June 2026
26AQI (US)
17th June 2026
24AQI (US)
18th June 2026
25AQI (US)
19th June 2026
30AQI (US)
20th June 2026
22AQI (US)
21st June 2026
20AQI (US)
22nd June 2026
19AQI (US)
23rd June 2026
22AQI (US)
24th June 2026
22AQI (US)
25th June 2026
26AQI (US)
26th June 2026
28AQI (US)
27th June 2026
26AQI (US)
28th June 2026
28AQI (US)
29th June 2026
27AQI (US)
30th June 2026
25AQI (US)
1st July 2026
26AQI (US)
2nd July 2026
21AQI (US)
3rd July 2026
14AQI (US)
4th July 2026
40AQI (US)
5th July 2026
16AQI (US)
6th July 2026
28AQI (US)
7th July 2026
25AQI (US)
8th July 2026
26AQI (US)
9th July 2026
24AQI (US)
10th July 2026
26AQI (US)
11th July 2026
26AQI (US)
12th July 2026
28AQI (US)
13th July 2026
28AQI (US)
14th July 2026
29AQI (US)
15th July 2026
30AQI (US)
16th July 2026
40AQI (US)
17th July 2026
43AQI (US)
18th July 2026
32AQI (US)
19th July 2026
32AQI (US)
20th July 2026
34AQI (US)
21st July 2026
50AQI (US)
22nd July 2026
63AQI (US)
23rd July 2026
54AQI (US)
24th July 2026
42AQI (US)
25th July 2026
38AQI (US)
26th July 2026
27AQI (US)
27th July 2026
26AQI (US)
28th July 2026
32AQI (US)
29th July 2026
32AQI (US)
30th July 2026
36AQI (US)
31st July 2026
54AQI (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

29AQI (US)

36AQI (US)

49AQI (US)

38AQI (US)

43AQI (US)

25AQI (US)

33AQI (US)

No. of days

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

202636AQI (US)

31
26
2
15
16
29
1
23
8
30
28
3
182
30

Highest AQI (US) recorded in

March

49AQI (US)

Lowest AQI (US) recorded in

June

25AQI (US)

202540AQI (US)

30
1
27
1
23
8
25
5
28
3
27
3
23
8
22
9
29
1
13
18
26
4
26
5
299
66

Highest AQI (US) recorded in

October

50AQI (US)

Lowest AQI (US) recorded in

January

35AQI (US)

202439AQI (US)

29
2
29
24
7
15
15
27
4
28
2
18
13
30
1
22
7
30
1
27
3
31
310
55

Highest AQI (US) recorded in

April

51AQI (US)

Lowest AQI (US) recorded in

January

31AQI (US)

202340AQI (US)

28
3
21
7
24
7
21
9
24
7
20
10
22
9
29
2
27
3
31
23
6
25
6
295
69

Highest AQI (US) recorded in

March

46AQI (US)

Lowest AQI (US) recorded in

August

30AQI (US)

202238AQI (US)

30
1
19
2
19
12
20
10
25
6
21
9
18
5
1
28
28
3
25
5
31
265
53

Highest AQI (US) recorded in

March

49AQI (US)

Lowest AQI (US) recorded in

August

25AQI (US)

202139AQI (US)

28
3
24
4
26
5
28
2
21
10
25
5
30
1
25
6
29
1
29
2
25
5
30
1
320
45

Highest AQI (US) recorded in

May

44AQI (US)

Lowest AQI (US) recorded in

December

36AQI (US)

202038AQI (US)

12
1
18
3
18
21
9
26
5
14
17
19
28
3
22
8
29
2
207
48

Highest AQI (US) recorded in

August

51AQI (US)

Lowest AQI (US) recorded in

September

26AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
40AQI (US)
Least Polluted Year Recorded
2026(Avg.)
36AQI (US)

Iruma's annual 2026 AQI (US) (36) shows an average percentage change of -7.6% (improved AQI (US)) compared to previous years: 2020 (38), 2021 (39), 2022 (38), 2023 (40), 2024 (39), 2025 (40).