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+
August Air Quality Analysis
Iruma, Saitama, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
69AQILowest AQI recorded on
24th Aug 2023
13AQISame Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 46 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Iruma, Saitama, Japan
AQI
Day
Night
.
4 AM4th Aug 2025
6 PM
3 AM5th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
5PM4th Aug
93AQI
Avg. Lowest Time
7AM4th Aug
43AQI
In the last 24 hours,
Iruma's AQI reached its highest point of 93 at 5 PM during the Night, while the lowest point, undefined, was recorded at 3 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Iruma, Saitama, Japan
JulAug
06th - 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 - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th
Day
Night
6th Jul 2025434 AMAQI
6th Jul 2025445 AMAQI
6th Jul 2025456 AMAQI
6th Jul 2025467 AMAQI
6th Jul 2025458 AMAQI
6th Jul 2025519 AMAQI
6th Jul 20255710 AMAQI
6th Jul 20255811 AMAQI
6th Jul 20256012 PMAQI
6th Jul 2025561 PMAQI
6th Jul 2025582 PMAQI
6th Jul 2025573 PMAQI
6th Jul 2025554 PMAQI
6th Jul 2025555 PMAQI
6th Jul 2025586 PMAQI
6th Jul 2025747 PMAQI
6th Jul 2025768 PMAQI
6th Jul 2025589 PMAQI
6th Jul 20255910 PMAQI
6th Jul 20255911 PMAQI
7th Jul 20255812 AMAQI
7th Jul 2025541 AMAQI
7th Jul 2025472 AMAQI
7th Jul 2025473 AMAQI
31°C27/36°C
7th Jul 2025484 AMAQI
7th Jul 2025505 AMAQI
7th Jul 2025496 AMAQI
7th Jul 2025497 AMAQI
7th Jul 2025508 AMAQI
7th Jul 2025889 AMAQI
7th Jul 202510210 AMAQI
7th Jul 20259211 AMAQI
7th Jul 20258812 PMAQI
7th Jul 2025791 PMAQI
7th Jul 2025782 PMAQI
7th Jul 2025773 PMAQI
7th Jul 2025764 PMAQI
7th Jul 2025835 PMAQI
7th Jul 2025916 PMAQI
7th Jul 20251007 PMAQI
7th Jul 2025958 PMAQI
7th Jul 2025729 PMAQI
7th Jul 20257110 PMAQI
7th Jul 20257211 PMAQI
8th Jul 20257412 AMAQI
8th Jul 2025661 AMAQI
8th Jul 2025552 AMAQI
8th Jul 2025543 AMAQI
31°C28/35°C
8th Jul 2025564 AMAQI
8th Jul 2025585 AMAQI
8th Jul 2025596 AMAQI
8th Jul 2025597 AMAQI
8th Jul 2025598 AMAQI
8th Jul 20251109 AMAQI
8th Jul 202512310 AMAQI
8th Jul 202511111 AMAQI
8th Jul 20259412 PMAQI
8th Jul 2025851 PMAQI
8th Jul 2025812 PMAQI
8th Jul 2025793 PMAQI
8th Jul 2025764 PMAQI
8th Jul 2025785 PMAQI
8th Jul 2025796 PMAQI
8th Jul 2025827 PMAQI
8th Jul 2025828 PMAQI
8th Jul 2025749 PMAQI
8th Jul 20257510 PMAQI
8th Jul 20257611 PMAQI
9th Jul 20257512 AMAQI
9th Jul 2025721 AMAQI
9th Jul 2025642 AMAQI
9th Jul 2025643 AMAQI
30°C28/35°C
9th Jul 2025664 AMAQI
9th Jul 2025705 AMAQI
9th Jul 2025716 AMAQI
9th Jul 2025707 AMAQI
9th Jul 2025718 AMAQI
9th Jul 2025839 AMAQI
9th Jul 20258910 AMAQI
9th Jul 20258811 AMAQI
9th Jul 20258712 PMAQI
9th Jul 2025911 PMAQI
9th Jul 2025962 PMAQI
9th Jul 2025923 PMAQI
9th Jul 2025964 PMAQI
9th Jul 2025925 PMAQI
9th Jul 2025866 PMAQI
9th Jul 2025807 PMAQI
9th Jul 2025728 PMAQI
9th Jul 2025689 PMAQI
9th Jul 20256710 PMAQI
9th Jul 20256611 PMAQI
10th Jul 20256612 AMAQI
10th Jul 2025671 AMAQI
10th Jul 2025712 AMAQI
10th Jul 2025713 AMAQI
30°C27/35°C
10th Jul 2025724 AMAQI
10th Jul 2025755 AMAQI
10th Jul 2025756 AMAQI
10th Jul 2025757 AMAQI
10th Jul 2025758 AMAQI
10th Jul 2025679 AMAQI
10th Jul 20256810 AMAQI
10th Jul 20257411 AMAQI
10th Jul 20257612 PMAQI
10th Jul 2025701 PMAQI
10th Jul 2025612 PMAQI
10th Jul 2025523 PMAQI
10th Jul 2025514 PMAQI
10th Jul 2025495 PMAQI
10th Jul 2025466 PMAQI
10th Jul 2025447 PMAQI
10th Jul 2025478 PMAQI
10th Jul 2025609 PMAQI
10th Jul 20256010 PMAQI
10th Jul 20256011 PMAQI
11th Jul 20256012 AMAQI
11th Jul 2025651 AMAQI
11th Jul 2025702 AMAQI
11th Jul 2025703 AMAQI
29°C24/35°C
11th Jul 2025704 AMAQI
11th Jul 2025705 AMAQI
11th Jul 2025696 AMAQI
11th Jul 2025697 AMAQI
11th Jul 2025698 AMAQI
11th Jul 2025309 AMAQI
11th Jul 20251710 AMAQI
11th Jul 20251911 AMAQI
11th Jul 20252212 PMAQI
11th Jul 2025361 PMAQI
11th Jul 2025382 PMAQI
11th Jul 2025383 PMAQI
11th Jul 2025404 PMAQI
11th Jul 2025415 PMAQI
11th Jul 2025376 PMAQI
11th Jul 2025387 PMAQI
11th Jul 2025458 PMAQI
11th Jul 2025589 PMAQI
11th Jul 20255810 PMAQI
11th Jul 20255811 PMAQI
12th Jul 20255912 AMAQI
12th Jul 2025611 AMAQI
12th Jul 2025662 AMAQI
12th Jul 2025653 AMAQI
23°C23/24°C
12th Jul 2025644 AMAQI
12th Jul 2025615 AMAQI
12th Jul 2025626 AMAQI
12th Jul 2025617 AMAQI
12th Jul 2025628 AMAQI
12th Jul 2025409 AMAQI
12th Jul 20253310 AMAQI
12th Jul 20253611 AMAQI
12th Jul 20253912 PMAQI
12th Jul 2025491 PMAQI
12th Jul 2025502 PMAQI
12th Jul 2025503 PMAQI
12th Jul 2025534 PMAQI
12th Jul 2025535 PMAQI
12th Jul 2025526 PMAQI
12th Jul 2025517 PMAQI
12th Jul 2025528 PMAQI
12th Jul 2025579 PMAQI
12th Jul 20255710 PMAQI
12th Jul 20255611 PMAQI
13th Jul 20255712 AMAQI
13th Jul 2025581 AMAQI
13th Jul 2025612 AMAQI
13th Jul 2025613 AMAQI
25°C21/29°C
13th Jul 2025604 AMAQI
13th Jul 2025585 AMAQI
13th Jul 2025596 AMAQI
13th Jul 2025597 AMAQI
13th Jul 2025588 AMAQI
13th Jul 2025489 AMAQI
13th Jul 20254210 AMAQI
13th Jul 20254511 AMAQI
13th Jul 20254812 PMAQI
13th Jul 2025521 PMAQI
13th Jul 2025522 PMAQI
13th Jul 2025523 PMAQI
13th Jul 2025474 PMAQI
13th Jul 2025445 PMAQI
13th Jul 2025436 PMAQI
13th Jul 2025407 PMAQI
13th Jul 2025468 PMAQI
13th Jul 2025549 PMAQI
13th Jul 20255410 PMAQI
13th Jul 20255511 PMAQI
14th Jul 20255412 AMAQI
14th Jul 2025561 AMAQI
14th Jul 2025582 AMAQI
14th Jul 2025583 AMAQI
27°C24/31°C
14th Jul 2025584 AMAQI
14th Jul 2025575 AMAQI
14th Jul 2025576 AMAQI
14th Jul 2025577 AMAQI
14th Jul 2025578 AMAQI
14th Jul 2025289 AMAQI
14th Jul 20251710 AMAQI
14th Jul 20251611 AMAQI
14th Jul 20251712 PMAQI
14th Jul 2025301 PMAQI
14th Jul 2025302 PMAQI
14th Jul 2025283 PMAQI
14th Jul 2025324 PMAQI
14th Jul 2025335 PMAQI
14th Jul 2025336 PMAQI
14th Jul 2025317 PMAQI
14th Jul 2025368 PMAQI
14th Jul 2025529 PMAQI
14th Jul 20255210 PMAQI
14th Jul 20255211 PMAQI
15th Jul 20255112 AMAQI
15th Jul 2025531 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025563 AMAQI
26°C25/29°C
15th Jul 2025554 AMAQI
15th Jul 2025545 AMAQI
15th Jul 2025546 AMAQI
15th Jul 2025547 AMAQI
15th Jul 2025548 AMAQI
15th Jul 2025249 AMAQI
15th Jul 20251310 AMAQI
15th Jul 20251611 AMAQI
15th Jul 20252012 PMAQI
15th Jul 2025301 PMAQI
15th Jul 2025322 PMAQI
15th Jul 2025323 PMAQI
15th Jul 2025324 PMAQI
15th Jul 2025325 PMAQI
15th Jul 2025316 PMAQI
15th Jul 2025277 PMAQI
15th Jul 2025318 PMAQI
15th Jul 2025469 PMAQI
15th Jul 20254510 PMAQI
15th Jul 20254611 PMAQI
16th Jul 20254712 AMAQI
16th Jul 2025491 AMAQI
16th Jul 2025532 AMAQI
16th Jul 2025533 AMAQI
28°C26/32°C
16th Jul 2025524 AMAQI
16th Jul 2025505 AMAQI
16th Jul 2025516 AMAQI
16th Jul 2025517 AMAQI
16th Jul 2025518 AMAQI
16th Jul 2025559 AMAQI
16th Jul 20255310 AMAQI
16th Jul 20254311 AMAQI
16th Jul 20253112 PMAQI
16th Jul 2025321 PMAQI
16th Jul 2025292 PMAQI
16th Jul 2025293 PMAQI
16th Jul 2025324 PMAQI
16th Jul 2025365 PMAQI
16th Jul 2025296 PMAQI
16th Jul 2025267 PMAQI
16th Jul 2025298 PMAQI
16th Jul 2025439 PMAQI
16th Jul 20254310 PMAQI
16th Jul 20254411 PMAQI
17th Jul 20254412 AMAQI
17th Jul 2025461 AMAQI
17th Jul 2025512 AMAQI
17th Jul 2025513 AMAQI
28°C24/32°C
17th Jul 2025514 AMAQI
17th Jul 2025505 AMAQI
17th Jul 2025496 AMAQI
17th Jul 2025507 AMAQI
17th Jul 2025508 AMAQI
17th Jul 2025229 AMAQI
17th Jul 20252110 AMAQI
17th Jul 20252811 AMAQI
17th Jul 20253212 PMAQI
17th Jul 2025371 PMAQI
17th Jul 2025342 PMAQI
17th Jul 2025363 PMAQI
17th Jul 2025334 PMAQI
17th Jul 2025365 PMAQI
17th Jul 2025386 PMAQI
17th Jul 2025367 PMAQI
17th Jul 2025408 PMAQI
17th Jul 2025449 PMAQI
17th Jul 20254310 PMAQI
17th Jul 20254411 PMAQI
18th Jul 20254212 AMAQI
18th Jul 2025451 AMAQI
18th Jul 2025482 AMAQI
18th Jul 2025483 AMAQI
29°C26/33°C
18th Jul 2025474 AMAQI
18th Jul 2025455 AMAQI
18th Jul 2025456 AMAQI
18th Jul 2025457 AMAQI
18th Jul 2025458 AMAQI
18th Jul 2025359 AMAQI
18th Jul 20252610 AMAQI
18th Jul 20252811 AMAQI
18th Jul 20253012 PMAQI
18th Jul 2025321 PMAQI
18th Jul 2025312 PMAQI
18th Jul 2025313 PMAQI
18th Jul 2025294 PMAQI
18th Jul 2025295 PMAQI
18th Jul 2025296 PMAQI
18th Jul 2025297 PMAQI
18th Jul 2025338 PMAQI
18th Jul 2025429 PMAQI
18th Jul 20254210 PMAQI
18th Jul 20254111 PMAQI
19th Jul 20254112 AMAQI
19th Jul 2025431 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025463 AMAQI
28°C24/33°C
19th Jul 2025454 AMAQI
19th Jul 2025435 AMAQI
19th Jul 2025436 AMAQI
19th Jul 2025447 AMAQI
19th Jul 2025438 AMAQI
19th Jul 2025319 AMAQI
19th Jul 20252610 AMAQI
19th Jul 20252111 AMAQI
19th Jul 20252112 PMAQI
19th Jul 2025231 PMAQI
19th Jul 2025252 PMAQI
19th Jul 2025253 PMAQI
19th Jul 2025244 PMAQI
19th Jul 2025235 PMAQI
19th Jul 2025226 PMAQI
19th Jul 2025237 PMAQI
19th Jul 2025268 PMAQI
19th Jul 2025369 PMAQI
19th Jul 20253310 PMAQI
19th Jul 20253411 PMAQI
20th Jul 20253512 AMAQI
20th Jul 2025381 AMAQI
20th Jul 2025442 AMAQI
20th Jul 2025443 AMAQI
29°C25/34°C
20th Jul 2025424 AMAQI
20th Jul 2025405 AMAQI
20th Jul 2025406 AMAQI
20th Jul 2025407 AMAQI
20th Jul 2025408 AMAQI
20th Jul 2025349 AMAQI
20th Jul 20252710 AMAQI
20th Jul 20252711 AMAQI
20th Jul 20253012 PMAQI
20th Jul 2025321 PMAQI
20th Jul 2025302 PMAQI
20th Jul 2025293 PMAQI
20th Jul 2025274 PMAQI
20th Jul 2025245 PMAQI
20th Jul 2025276 PMAQI
20th Jul 2025287 PMAQI
20th Jul 2025308 PMAQI
20th Jul 2025349 PMAQI
20th Jul 20253410 PMAQI
20th Jul 20253311 PMAQI
21st Jul 20253312 AMAQI
21st Jul 2025361 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025403 AMAQI
30°C26/35°C
21st Jul 2025404 AMAQI
21st Jul 2025385 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025387 AMAQI
21st Jul 2025388 AMAQI
21st Jul 2025329 AMAQI
21st Jul 20253710 AMAQI
21st Jul 20254011 AMAQI
21st Jul 20254512 PMAQI
21st Jul 2025451 PMAQI
21st Jul 2025482 PMAQI
21st Jul 2025443 PMAQI
21st Jul 2025364 PMAQI
21st Jul 2025305 PMAQI
21st Jul 2025316 PMAQI
21st Jul 2025317 PMAQI
21st Jul 2025328 PMAQI
21st Jul 2025339 PMAQI
21st Jul 20253210 PMAQI
21st Jul 20253311 PMAQI
22nd Jul 20253312 AMAQI
22nd Jul 2025351 AMAQI
22nd Jul 2025382 AMAQI
22nd Jul 2025383 AMAQI
31°C27/37°C
22nd Jul 2025384 AMAQI
22nd Jul 2025405 AMAQI
22nd Jul 2025386 AMAQI
22nd Jul 2025397 AMAQI
22nd Jul 2025398 AMAQI
22nd Jul 2025379 AMAQI
22nd Jul 20253810 AMAQI
22nd Jul 20254711 AMAQI
22nd Jul 20254912 PMAQI
22nd Jul 2025521 PMAQI
22nd Jul 2025522 PMAQI
22nd Jul 2025543 PMAQI
22nd Jul 2025494 PMAQI
22nd Jul 2025435 PMAQI
22nd Jul 2025356 PMAQI
22nd Jul 2025317 PMAQI
22nd Jul 2025298 PMAQI
22nd Jul 2025319 PMAQI
22nd Jul 20253110 PMAQI
22nd Jul 20253111 PMAQI
23rd Jul 20253112 AMAQI
23rd Jul 2025351 AMAQI
23rd Jul 2025382 AMAQI
23rd Jul 2025383 AMAQI
32°C28/37°C
23rd Jul 2025384 AMAQI
23rd Jul 2025405 AMAQI
23rd Jul 2025406 AMAQI
23rd Jul 2025417 AMAQI
23rd Jul 2025408 AMAQI
23rd Jul 2025519 AMAQI
23rd Jul 20255510 AMAQI
23rd Jul 20255811 AMAQI
23rd Jul 20256012 PMAQI
23rd Jul 2025581 PMAQI
23rd Jul 2025582 PMAQI
23rd Jul 2025613 PMAQI
23rd Jul 2025554 PMAQI
23rd Jul 2025535 PMAQI
23rd Jul 2025486 PMAQI
23rd Jul 2025447 PMAQI
23rd Jul 2025378 PMAQI
23rd Jul 2025369 PMAQI
23rd Jul 20253310 PMAQI
23rd Jul 20253211 PMAQI
24th Jul 20253312 AMAQI
24th Jul 2025361 AMAQI
24th Jul 2025382 AMAQI
24th Jul 2025383 AMAQI
32°C28/37°C
24th Jul 2025394 AMAQI
24th Jul 2025445 AMAQI
24th Jul 2025446 AMAQI
24th Jul 2025447 AMAQI
24th Jul 2025448 AMAQI
24th Jul 2025519 AMAQI
24th Jul 20255510 AMAQI
24th Jul 20255911 AMAQI
24th Jul 20256212 PMAQI
24th Jul 2025581 PMAQI
24th Jul 2025602 PMAQI
24th Jul 2025583 PMAQI
24th Jul 2025564 PMAQI
24th Jul 2025505 PMAQI
24th Jul 2025416 PMAQI
24th Jul 2025347 PMAQI
24th Jul 2025358 PMAQI
24th Jul 2025359 PMAQI
24th Jul 20253710 PMAQI
24th Jul 20253711 PMAQI
25th Jul 20254012 AMAQI
25th Jul 2025401 AMAQI
25th Jul 2025392 AMAQI
25th Jul 2025393 AMAQI
32°C28/37°C
25th Jul 2025414 AMAQI
25th Jul 2025455 AMAQI
25th Jul 2025456 AMAQI
25th Jul 2025467 AMAQI
25th Jul 2025468 AMAQI
25th Jul 2025549 AMAQI
25th Jul 20255810 AMAQI
25th Jul 20255911 AMAQI
25th Jul 20255912 PMAQI
25th Jul 2025561 PMAQI
25th Jul 2025552 PMAQI
25th Jul 2025423 PMAQI
25th Jul 2025364 PMAQI
25th Jul 2025385 PMAQI
25th Jul 2025286 PMAQI
25th Jul 2025257 PMAQI
25th Jul 2025298 PMAQI
25th Jul 2025359 PMAQI
25th Jul 20253410 PMAQI
25th Jul 20253711 PMAQI
26th Jul 20253912 AMAQI
26th Jul 2025401 AMAQI
26th Jul 2025422 AMAQI
26th Jul 2025423 AMAQI
32°C28/37°C
26th Jul 2025424 AMAQI
26th Jul 2025465 AMAQI
26th Jul 2025456 AMAQI
26th Jul 2025467 AMAQI
26th Jul 2025468 AMAQI
26th Jul 2025469 AMAQI
26th Jul 20255010 AMAQI
26th Jul 20255211 AMAQI
26th Jul 20255712 PMAQI
26th Jul 2025561 PMAQI
26th Jul 2025542 PMAQI
26th Jul 2025443 PMAQI
26th Jul 2025334 PMAQI
26th Jul 2025275 PMAQI
26th Jul 2025276 PMAQI
26th Jul 2025287 PMAQI
26th Jul 2025328 PMAQI
26th Jul 2025369 PMAQI
26th Jul 20253810 PMAQI
26th Jul 20253711 PMAQI
27th Jul 20253712 AMAQI
27th Jul 2025391 AMAQI
27th Jul 2025432 AMAQI
27th Jul 2025423 AMAQI
32°C28/38°C
27th Jul 2025444 AMAQI
27th Jul 2025465 AMAQI
27th Jul 2025466 AMAQI
27th Jul 2025467 AMAQI
27th Jul 2025458 AMAQI
27th Jul 2025449 AMAQI
27th Jul 20254610 AMAQI
27th Jul 20254611 AMAQI
27th Jul 20254612 PMAQI
27th Jul 2025441 PMAQI
27th Jul 2025432 PMAQI
27th Jul 2025423 PMAQI
27th Jul 2025354 PMAQI
27th Jul 2025275 PMAQI
27th Jul 2025246 PMAQI
27th Jul 2025227 PMAQI
27th Jul 2025258 PMAQI
27th Jul 2025359 PMAQI
27th Jul 20253310 PMAQI
27th Jul 20253511 PMAQI
28th Jul 20253512 AMAQI
28th Jul 2025381 AMAQI
28th Jul 2025432 AMAQI
28th Jul 2025433 AMAQI
32°C28/37°C
28th Jul 2025434 AMAQI
28th Jul 2025445 AMAQI
28th Jul 2025446 AMAQI
28th Jul 2025447 AMAQI
28th Jul 2025448 AMAQI
28th Jul 2025369 AMAQI
28th Jul 20253810 AMAQI
28th Jul 20254411 AMAQI
28th Jul 20255012 PMAQI
28th Jul 2025521 PMAQI
28th Jul 2025522 PMAQI
28th Jul 2025543 PMAQI
28th Jul 2025564 PMAQI
28th Jul 2025525 PMAQI
28th Jul 2025456 PMAQI
28th Jul 2025427 PMAQI
28th Jul 2025388 PMAQI
28th Jul 2025409 PMAQI
28th Jul 20253910 PMAQI
28th Jul 20253811 PMAQI
29th Jul 20253712 AMAQI
29th Jul 2025381 AMAQI
29th Jul 2025422 AMAQI
29th Jul 2025423 AMAQI
32°C28/37°C
29th Jul 2025414 AMAQI
29th Jul 2025435 AMAQI
29th Jul 2025436 AMAQI
29th Jul 2025447 AMAQI
29th Jul 2025448 AMAQI
29th Jul 2025519 AMAQI
29th Jul 20255410 AMAQI
29th Jul 20255411 AMAQI
29th Jul 20255412 PMAQI
29th Jul 2025521 PMAQI
29th Jul 2025502 PMAQI
29th Jul 2025493 PMAQI
29th Jul 2025494 PMAQI
29th Jul 2025525 PMAQI
29th Jul 2025496 PMAQI
29th Jul 2025407 PMAQI
29th Jul 2025338 PMAQI
29th Jul 2025359 PMAQI
29th Jul 20253410 PMAQI
29th Jul 20253311 PMAQI
30th Jul 20253212 AMAQI
30th Jul 2025371 AMAQI
30th Jul 2025422 AMAQI
30th Jul 2025423 AMAQI
32°C27/38°C
30th Jul 2025424 AMAQI
30th Jul 2025445 AMAQI
30th Jul 2025456 AMAQI
30th Jul 2025447 AMAQI
30th Jul 2025448 AMAQI
30th Jul 2025239 AMAQI
30th Jul 20251410 AMAQI
30th Jul 20252011 AMAQI
30th Jul 20252612 PMAQI
30th Jul 2025281 PMAQI
30th Jul 2025282 PMAQI
30th Jul 2025303 PMAQI
30th Jul 2025314 PMAQI
30th Jul 2025335 PMAQI
30th Jul 2025316 PMAQI
30th Jul 2025307 PMAQI
30th Jul 2025348 PMAQI
30th Jul 2025369 PMAQI
30th Jul 20253610 PMAQI
30th Jul 20253611 PMAQI
31st Jul 20253612 AMAQI
31st Jul 2025381 AMAQI
31st Jul 2025412 AMAQI
31st Jul 2025403 AMAQI
31°C27/36°C
31st Jul 2025404 AMAQI
31st Jul 2025405 AMAQI
31st Jul 2025406 AMAQI
31st Jul 2025407 AMAQI
31st Jul 2025408 AMAQI
31st Jul 2025409 AMAQI
31st Jul 20254010 AMAQI
31st Jul 20254211 AMAQI
31st Jul 20254412 PMAQI
31st Jul 2025411 PMAQI
31st Jul 2025382 PMAQI
31st Jul 2025383 PMAQI
31st Jul 2025354 PMAQI
31st Jul 2025315 PMAQI
31st Jul 2025266 PMAQI
31st Jul 2025247 PMAQI
31st Jul 2025298 PMAQI
31st Jul 2025299 PMAQI
31st Jul 20253010 PMAQI
31st Jul 20252811 PMAQI
1st Aug 20252912 AMAQI
1st Aug 2025331 AMAQI
1st Aug 2025332 AMAQI
1st Aug 2025343 AMAQI
29°C25/35°C
1st Aug 2025354 AMAQI
1st Aug 2025345 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025347 AMAQI
1st Aug 2025358 AMAQI
1st Aug 2025349 AMAQI
1st Aug 20252910 AMAQI
1st Aug 20254811 AMAQI
1st Aug 20254112 PMAQI
1st Aug 2025481 PMAQI
1st Aug 2025402 PMAQI
1st Aug 2025363 PMAQI
1st Aug 2025464 PMAQI
1st Aug 2025385 PMAQI
1st Aug 2025436 PMAQI
1st Aug 2025267 PMAQI
1st Aug 2025318 PMAQI
1st Aug 2025329 PMAQI
1st Aug 20253310 PMAQI
1st Aug 20253011 PMAQI
2nd Aug 20253012 AMAQI
2nd Aug 2025301 AMAQI
2nd Aug 2025372 AMAQI
2nd Aug 2025373 AMAQI
28°C25/31°C
2nd Aug 2025384 AMAQI
2nd Aug 2025385 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025398 AMAQI
2nd Aug 2025369 AMAQI
2nd Aug 20253410 AMAQI
2nd Aug 20254411 AMAQI
2nd Aug 20253512 PMAQI
2nd Aug 2025451 PMAQI
2nd Aug 2025552 PMAQI
2nd Aug 2025573 PMAQI
2nd Aug 2025544 PMAQI
2nd Aug 2025555 PMAQI
2nd Aug 2025576 PMAQI
2nd Aug 2025527 PMAQI
2nd Aug 2025428 PMAQI
2nd Aug 2025389 PMAQI
2nd Aug 20253510 PMAQI
2nd Aug 20254811 PMAQI
3rd Aug 20253312 AMAQI
3rd Aug 2025351 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025383 AMAQI
31°C26/37°C
3rd Aug 2025404 AMAQI
3rd Aug 2025405 AMAQI
3rd Aug 2025396 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025388 AMAQI
3rd Aug 2025459 AMAQI
3rd Aug 20255510 AMAQI
3rd Aug 20255711 AMAQI
3rd Aug 20255912 PMAQI
3rd Aug 2025561 PMAQI
3rd Aug 2025592 PMAQI
3rd Aug 2025543 PMAQI
3rd Aug 2025544 PMAQI
3rd Aug 2025545 PMAQI
3rd Aug 2025566 PMAQI
3rd Aug 2025557 PMAQI
3rd Aug 2025538 PMAQI
3rd Aug 2025459 PMAQI
3rd Aug 20254410 PMAQI
3rd Aug 20254211 PMAQI
4th Aug 20253612 AMAQI
4th Aug 2025371 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025393 AMAQI
32°C28/37°C
4th Aug 2025434 AMAQI
4th Aug 2025455 AMAQI
4th Aug 2025446 AMAQI
4th Aug 2025437 AMAQI
4th Aug 2025448 AMAQI
4th Aug 2025599 AMAQI
4th Aug 20256410 AMAQI
4th Aug 20257811 AMAQI
4th Aug 20257812 PMAQI
4th Aug 2025871 PMAQI
4th Aug 2025882 PMAQI
4th Aug 2025813 PMAQI
4th Aug 2025894 PMAQI
4th Aug 2025935 PMAQI
4th Aug 2025846 PMAQI
4th Aug 2025747 PMAQI
4th Aug 2025618 PMAQI
4th Aug 2025599 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20254911 PMAQI
5th Aug 20255212 AMAQI
--°C/°C
4 AM
11 AM
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 6 PM
48AQI
15 hours / Day
450 hours / Month
Avg. Lowest Time
9 AM - 6 PM
47AQI
10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 6 PM (Avg. 48), while the lowest AQI was between 9 AM to 6 PM (Avg. 47).
Night time
Avg. Highest Time
12 AM - 3 AM
46AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM - 11 PM
44AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 46), while the lowest AQI was between 7 PM to 11 PM (Avg. 44).
2025 Days Vs Air Quality
Iruma, Saitama, Japan
2025
87%
186
13%
29
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Good
186 DaysModerate
29 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2025, 87% of 216 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 2025
AQI
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.
1st January 2025
32AQI
32AQI
2nd January 2025
33AQI
33AQI
3rd January 2025
26AQI
26AQI
4th January 2025
27AQI
27AQI
5th January 2025
33AQI
33AQI
6th January 2025
50AQI
50AQI
7th January 2025
28AQI
28AQI
8th January 2025
34AQI
34AQI
9th January 2025
29AQI
29AQI
10th January 2025
29AQI
29AQI
11th January 2025
29AQI
29AQI
12th January 2025
36AQI
36AQI
13th January 2025
30AQI
30AQI
14th January 2025
34AQI
34AQI
15th January 2025
34AQI
34AQI
16th January 2025
31AQI
31AQI
17th January 2025
29AQI
29AQI
18th January 2025
33AQI
33AQI
19th January 2025
43AQI
43AQI
20th January 2025
36AQI
36AQI
21st January 2025
42AQI
42AQI
22nd January 2025
37AQI
37AQI
23rd January 2025
47AQI
47AQI
24th January 2025
51AQI
51AQI
25th January 2025
38AQI
38AQI
26th January 2025
38AQI
38AQI
27th January 2025
32AQI
32AQI
28th January 2025
39AQI
39AQI
29th January 2025
30AQI
30AQI
30th January 2025
34AQI
34AQI
31st January 2025
31AQI
31AQI
1st February 2025
45AQI
45AQI
2nd February 2025
47AQI
47AQI
3rd February 2025
46AQI
46AQI
4th February 2025
37AQI
37AQI
5th February 2025
35AQI
35AQI
6th February 2025
29AQI
29AQI
7th February 2025
30AQI
30AQI
8th February 2025
29AQI
29AQI
9th February 2025
29AQI
29AQI
10th February 2025
28AQI
28AQI
11th February 2025
29AQI
29AQI
12th February 2025
40AQI
40AQI
13th February 2025
38AQI
38AQI
14th February 2025
34AQI
34AQI
15th February 2025
36AQI
36AQI
16th February 2025
43AQI
43AQI
17th February 2025
41AQI
41AQI
18th February 2025
34AQI
34AQI
19th February 2025
33AQI
33AQI
20th February 2025
30AQI
30AQI
21st February 2025
30AQI
30AQI
22nd February 2025
30AQI
30AQI
23rd February 2025
32AQI
32AQI
24th February 2025
31AQI
31AQI
25th February 2025
34AQI
34AQI
26th February 2025
39AQI
39AQI
27th February 2025
41AQI
41AQI
28th February 2025
51AQI
51AQI
1st March 2025
54AQI
54AQI
2nd March 2025
60AQI
60AQI
3rd March 2025
40AQI
40AQI
4th March 2025
40AQI
40AQI
5th March 2025
29AQI
29AQI
6th March 2025
35AQI
35AQI
7th March 2025
32AQI
32AQI
8th March 2025
40AQI
40AQI
9th March 2025
38AQI
38AQI
10th March 2025
38AQI
38AQI
11th March 2025
42AQI
42AQI
12th March 2025
47AQI
47AQI
13th March 2025
49AQI
49AQI
14th March 2025
44AQI
44AQI
15th March 2025
41AQI
41AQI
16th March 2025
27AQI
27AQI
17th March 2025
23AQI
23AQI
18th March 2025
26AQI
26AQI
19th March 2025
19AQI
19AQI
20th March 2025
26AQI
26AQI
21st March 2025
39AQI
39AQI
22nd March 2025
48AQI
48AQI
23rd March 2025
56AQI
56AQI
24th March 2025
58AQI
58AQI
25th March 2025
73AQI
73AQI
26th March 2025
80AQI
80AQI
27th March 2025
74AQI
74AQI
28th March 2025
55AQI
55AQI
29th March 2025
37AQI
37AQI
30th March 2025
39AQI
39AQI
31st March 2025
33AQI
33AQI
1st April 2025
31AQI
31AQI
2nd April 2025
21AQI
21AQI
3rd April 2025
23AQI
23AQI
4th April 2025
21AQI
21AQI
5th April 2025
29AQI
29AQI
6th April 2025
22AQI
22AQI
7th April 2025
31AQI
31AQI
8th April 2025
37AQI
37AQI
9th April 2025
29AQI
29AQI
10th April 2025
46AQI
46AQI
11th April 2025
43AQI
43AQI
12th April 2025
43AQI
43AQI
13th April 2025
35AQI
35AQI
14th April 2025
38AQI
38AQI
15th April 2025
30AQI
30AQI
16th April 2025
30AQI
30AQI
17th April 2025
45AQI
45AQI
18th April 2025
56AQI
56AQI
19th April 2025
66AQI
66AQI
20th April 2025
62AQI
62AQI
21st April 2025
46AQI
46AQI
22nd April 2025
52AQI
52AQI
23rd April 2025
32AQI
32AQI
24th April 2025
39AQI
39AQI
25th April 2025
42AQI
42AQI
26th April 2025
48AQI
48AQI
27th April 2025
50AQI
50AQI
28th April 2025
53AQI
53AQI
29th April 2025
38AQI
38AQI
30th April 2025
49AQI
49AQI
1st May 2025
42AQI
42AQI
2nd May 2025
34AQI
34AQI
3rd May 2025
30AQI
30AQI
4th May 2025
40AQI
40AQI
5th May 2025
34AQI
34AQI
6th May 2025
33AQI
33AQI
7th May 2025
25AQI
25AQI
8th May 2025
32AQI
32AQI
9th May 2025
32AQI
32AQI
10th May 2025
26AQI
26AQI
11th May 2025
24AQI
24AQI
12th May 2025
25AQI
25AQI
13th May 2025
35AQI
35AQI
14th May 2025
38AQI
38AQI
15th May 2025
39AQI
39AQI
16th May 2025
46AQI
46AQI
17th May 2025
29AQI
29AQI
18th May 2025
46AQI
46AQI
19th May 2025
46AQI
46AQI
20th May 2025
61AQI
61AQI
21st May 2025
63AQI
63AQI
22nd May 2025
52AQI
52AQI
23rd May 2025
50AQI
50AQI
24th May 2025
48AQI
48AQI
25th May 2025
34AQI
34AQI
26th May 2025
32AQI
32AQI
27th May 2025
29AQI
29AQI
28th May 2025
28AQI
28AQI
29th May 2025
36AQI
36AQI
30th May 2025
29AQI
29AQI
31st May 2025
21AQI
21AQI
1st June 2025
24AQI
24AQI
2nd June 2025
31AQI
31AQI
3rd June 2025
32AQI
32AQI
4th June 2025
28AQI
28AQI
5th June 2025
40AQI
40AQI
6th June 2025
45AQI
45AQI
7th June 2025
51AQI
51AQI
8th June 2025
58AQI
58AQI
9th June 2025
53AQI
53AQI
10th June 2025
40AQI
40AQI
11th June 2025
33AQI
33AQI
12th June 2025
42AQI
42AQI
13th June 2025
48AQI
48AQI
14th June 2025
37AQI
37AQI
15th June 2025
31AQI
31AQI
16th June 2025
35AQI
35AQI
17th June 2025
48AQI
48AQI
18th June 2025
45AQI
45AQI
19th June 2025
48AQI
48AQI
20th June 2025
47AQI
47AQI
21st June 2025
38AQI
38AQI
22nd June 2025
29AQI
29AQI
23rd June 2025
29AQI
29AQI
24th June 2025
27AQI
27AQI
25th June 2025
24AQI
24AQI
26th June 2025
24AQI
24AQI
27th June 2025
29AQI
29AQI
28th June 2025
31AQI
31AQI
29th June 2025
35AQI
35AQI
30th June 2025
38AQI
38AQI
1st July 2025
42AQI
42AQI
2nd July 2025
43AQI
43AQI
3rd July 2025
47AQI
47AQI
4th July 2025
45AQI
45AQI
5th July 2025
48AQI
48AQI
6th July 2025
53AQI
53AQI
7th July 2025
70AQI
70AQI
8th July 2025
75AQI
75AQI
9th July 2025
77AQI
77AQI
10th July 2025
64AQI
64AQI
11th July 2025
52AQI
52AQI
12th July 2025
55AQI
55AQI
13th July 2025
53AQI
53AQI
14th July 2025
44AQI
44AQI
15th July 2025
41AQI
41AQI
16th July 2025
43AQI
43AQI
17th July 2025
41AQI
41AQI
18th July 2025
38AQI
38AQI
19th July 2025
33AQI
33AQI
20th July 2025
34AQI
34AQI
21st July 2025
37AQI
37AQI
22nd July 2025
38AQI
38AQI
23rd July 2025
44AQI
44AQI
24th July 2025
44AQI
44AQI
25th July 2025
42AQI
42AQI
26th July 2025
41AQI
41AQI
27th July 2025
38AQI
38AQI
28th July 2025
43AQI
43AQI
29th July 2025
44AQI
44AQI
30th July 2025
34AQI
34AQI
31st July 2025
36AQI
36AQI
1st August 2025
35AQI
35AQI
2nd August 2025
42AQI
42AQI
3rd August 2025
46AQI
46AQI
35AQI
36AQI
43AQI
40AQI
37AQI
37AQI
46AQI
41AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202539AQI
30
1
27
1
23
8
25
5
28
3
27
3
23
8
3
186
29
Highest AQI recorded in
July46AQI
Lowest AQI recorded in
January35AQI
202439AQI
29
2
29
24
7
15
15
27
4
28
2
18
13
30
1
22
7
30
1
26
4
31
309
56
Highest AQI recorded in
April51AQI
Lowest AQI recorded in
January32AQI
202340AQI
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 recorded in
April46AQI
Lowest AQI recorded in
August30AQI
202238AQI
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 recorded in
March47AQI
Lowest AQI recorded in
August25AQI
202138AQI
27
4
23
5
25
6
27
3
22
9
25
5
30
1
25
6
29
1
28
3
26
4
30
1
317
48
Highest AQI recorded in
May44AQI
Lowest AQI recorded in
September35AQI
202037AQI
13
18
3
18
22
8
26
5
17
14
19
28
3
22
8
28
3
211
44
Highest AQI recorded in
August49AQI
Lowest AQI recorded in
September25AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
40AQILeast Polluted Year Recorded
2020(Avg.)
37AQIIruma's annual 2025 AQI (39) shows an average percentage change of 2.5% (worsened AQI) compared to previous years: 2020 (37), 2021 (38), 2022 (38), 2023 (40), 2024 (39).
