Yorii, 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
Yorii, Saitama, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Aug 2024
58AQILowest AQI recorded on
8th Aug 2021
12AQISame 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
Yorii, Saitama, Japan
AQI
Day
Night
.
4 AM4th Aug 2025
6 PM
3 AM5th Aug 2025
Day time
Avg. Highest Time
5PM4th Aug
88AQI
Avg. Lowest Time
5AM4th Aug
42AQI
Night time
Avg. Highest Time
7PM4th Aug
74AQI
Avg. Lowest Time
3AM5th Aug
42AQI
In the last 24 hours,
Yorii's AQI reached its highest point of 88 at 5 PM during the Day, while the lowest point, 42, was recorded at 3 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Yorii, 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 2025484 AMAQI
6th Jul 2025495 AMAQI
6th Jul 2025496 AMAQI
6th Jul 2025497 AMAQI
6th Jul 2025508 AMAQI
6th Jul 2025529 AMAQI
6th Jul 20255710 AMAQI
6th Jul 20256411 AMAQI
6th Jul 20256312 PMAQI
6th Jul 2025581 PMAQI
6th Jul 2025562 PMAQI
6th Jul 2025583 PMAQI
6th Jul 2025544 PMAQI
6th Jul 2025585 PMAQI
6th Jul 2025606 PMAQI
6th Jul 2025637 PMAQI
6th Jul 2025628 PMAQI
6th Jul 2025619 PMAQI
6th Jul 20256210 PMAQI
6th Jul 20256411 PMAQI
7th Jul 20256412 AMAQI
7th Jul 2025581 AMAQI
7th Jul 2025512 AMAQI
7th Jul 2025503 AMAQI
29°C23/35°C
7th Jul 2025524 AMAQI
7th Jul 2025535 AMAQI
7th Jul 2025526 AMAQI
7th Jul 2025537 AMAQI
7th Jul 2025538 AMAQI
7th Jul 2025799 AMAQI
7th Jul 202510410 AMAQI
7th Jul 202510211 AMAQI
7th Jul 20259512 PMAQI
7th Jul 2025901 PMAQI
7th Jul 2025922 PMAQI
7th Jul 2025843 PMAQI
7th Jul 2025814 PMAQI
7th Jul 2025815 PMAQI
7th Jul 2025906 PMAQI
7th Jul 2025987 PMAQI
7th Jul 2025878 PMAQI
7th Jul 2025759 PMAQI
7th Jul 20257510 PMAQI
7th Jul 20257811 PMAQI
8th Jul 20257712 AMAQI
8th Jul 2025661 AMAQI
8th Jul 2025552 AMAQI
8th Jul 2025543 AMAQI
29°C25/35°C
8th Jul 2025584 AMAQI
8th Jul 2025625 AMAQI
8th Jul 2025626 AMAQI
8th Jul 2025627 AMAQI
8th Jul 2025628 AMAQI
8th Jul 20251009 AMAQI
8th Jul 202511610 AMAQI
8th Jul 202511611 AMAQI
8th Jul 202510512 PMAQI
8th Jul 2025971 PMAQI
8th Jul 2025892 PMAQI
8th Jul 2025823 PMAQI
8th Jul 2025834 PMAQI
8th Jul 2025795 PMAQI
8th Jul 2025806 PMAQI
8th Jul 2025817 PMAQI
8th Jul 2025748 PMAQI
8th Jul 2025719 PMAQI
8th Jul 20257510 PMAQI
8th Jul 20257511 PMAQI
9th Jul 20257312 AMAQI
9th Jul 2025701 AMAQI
9th Jul 2025632 AMAQI
9th Jul 2025623 AMAQI
29°C26/35°C
9th Jul 2025664 AMAQI
9th Jul 2025705 AMAQI
9th Jul 2025716 AMAQI
9th Jul 2025707 AMAQI
9th Jul 2025718 AMAQI
9th Jul 2025809 AMAQI
9th Jul 20258210 AMAQI
9th Jul 20258111 AMAQI
9th Jul 20258212 PMAQI
9th Jul 2025831 PMAQI
9th Jul 2025822 PMAQI
9th Jul 2025873 PMAQI
9th Jul 2025984 PMAQI
9th Jul 2025995 PMAQI
9th Jul 2025986 PMAQI
9th Jul 2025947 PMAQI
9th Jul 2025858 PMAQI
9th Jul 2025749 PMAQI
9th Jul 20257110 PMAQI
9th Jul 20256811 PMAQI
10th Jul 20256812 AMAQI
10th Jul 2025681 AMAQI
10th Jul 2025682 AMAQI
10th Jul 2025683 AMAQI
29°C25/35°C
10th Jul 2025704 AMAQI
10th Jul 2025725 AMAQI
10th Jul 2025726 AMAQI
10th Jul 2025727 AMAQI
10th Jul 2025738 AMAQI
10th Jul 2025629 AMAQI
10th Jul 20256210 AMAQI
10th Jul 20256911 AMAQI
10th Jul 20257412 PMAQI
10th Jul 2025751 PMAQI
10th Jul 2025732 PMAQI
10th Jul 2025773 PMAQI
10th Jul 2025764 PMAQI
10th Jul 2025635 PMAQI
10th Jul 2025316 PMAQI
10th Jul 2025257 PMAQI
10th Jul 2025378 PMAQI
10th Jul 2025559 PMAQI
10th Jul 20255610 PMAQI
10th Jul 20255711 PMAQI
11th Jul 20255512 AMAQI
11th Jul 2025621 AMAQI
11th Jul 2025692 AMAQI
11th Jul 2025703 AMAQI
28°C23/33°C
11th Jul 2025704 AMAQI
11th Jul 2025705 AMAQI
11th Jul 2025696 AMAQI
11th Jul 2025707 AMAQI
11th Jul 2025708 AMAQI
11th Jul 2025329 AMAQI
11th Jul 20251710 AMAQI
11th Jul 20251811 AMAQI
11th Jul 20252212 PMAQI
11th Jul 2025281 PMAQI
11th Jul 2025262 PMAQI
11th Jul 2025363 PMAQI
11th Jul 2025304 PMAQI
11th Jul 2025355 PMAQI
11th Jul 2025346 PMAQI
11th Jul 2025367 PMAQI
11th Jul 2025458 PMAQI
11th Jul 2025569 PMAQI
11th Jul 20255510 PMAQI
11th Jul 20255711 PMAQI
12th Jul 20255612 AMAQI
12th Jul 2025581 AMAQI
12th Jul 2025662 AMAQI
12th Jul 2025663 AMAQI
22°C20/22°C
12th Jul 2025644 AMAQI
12th Jul 2025605 AMAQI
12th Jul 2025606 AMAQI
12th Jul 2025607 AMAQI
12th Jul 2025618 AMAQI
12th Jul 2025399 AMAQI
12th Jul 20252710 AMAQI
12th Jul 20253511 AMAQI
12th Jul 20253812 PMAQI
12th Jul 2025441 PMAQI
12th Jul 2025472 PMAQI
12th Jul 2025463 PMAQI
12th Jul 2025504 PMAQI
12th Jul 2025485 PMAQI
12th Jul 2025526 PMAQI
12th Jul 2025497 PMAQI
12th Jul 2025518 PMAQI
12th Jul 2025569 PMAQI
12th Jul 20255610 PMAQI
12th Jul 20255511 PMAQI
13th Jul 20255412 AMAQI
13th Jul 2025561 AMAQI
13th Jul 2025612 AMAQI
13th Jul 2025613 AMAQI
23°C20/28°C
13th Jul 2025604 AMAQI
13th Jul 2025575 AMAQI
13th Jul 2025586 AMAQI
13th Jul 2025587 AMAQI
13th Jul 2025588 AMAQI
13th Jul 2025469 AMAQI
13th Jul 20253610 AMAQI
13th Jul 20254411 AMAQI
13th Jul 20254612 PMAQI
13th Jul 2025431 PMAQI
13th Jul 2025402 PMAQI
13th Jul 2025443 PMAQI
13th Jul 2025554 PMAQI
13th Jul 2025565 PMAQI
13th Jul 2025556 PMAQI
13th Jul 2025567 PMAQI
13th Jul 2025568 PMAQI
13th Jul 2025559 PMAQI
13th Jul 20255410 PMAQI
13th Jul 20255311 PMAQI
14th Jul 20255312 AMAQI
14th Jul 2025551 AMAQI
14th Jul 2025582 AMAQI
14th Jul 2025583 AMAQI
26°C22/30°C
14th Jul 2025574 AMAQI
14th Jul 2025565 AMAQI
14th Jul 2025566 AMAQI
14th Jul 2025567 AMAQI
14th Jul 2025568 AMAQI
14th Jul 2025299 AMAQI
14th Jul 20252410 AMAQI
14th Jul 20252011 AMAQI
14th Jul 20251612 PMAQI
14th Jul 2025221 PMAQI
14th Jul 2025222 PMAQI
14th Jul 2025233 PMAQI
14th Jul 2025244 PMAQI
14th Jul 2025225 PMAQI
14th Jul 2025246 PMAQI
14th Jul 2025267 PMAQI
14th Jul 2025398 PMAQI
14th Jul 2025509 PMAQI
14th Jul 20254710 PMAQI
14th Jul 20254311 PMAQI
15th Jul 20254412 AMAQI
15th Jul 2025481 AMAQI
15th Jul 2025522 AMAQI
15th Jul 2025533 AMAQI
25°C23/28°C
15th Jul 2025544 AMAQI
15th Jul 2025535 AMAQI
15th Jul 2025536 AMAQI
15th Jul 2025537 AMAQI
15th Jul 2025538 AMAQI
15th Jul 2025289 AMAQI
15th Jul 20251610 AMAQI
15th Jul 20251611 AMAQI
15th Jul 20251912 PMAQI
15th Jul 2025241 PMAQI
15th Jul 2025252 PMAQI
15th Jul 2025253 PMAQI
15th Jul 2025304 PMAQI
15th Jul 2025285 PMAQI
15th Jul 2025246 PMAQI
15th Jul 2025237 PMAQI
15th Jul 2025288 PMAQI
15th Jul 2025389 PMAQI
15th Jul 20254110 PMAQI
15th Jul 20253711 PMAQI
16th Jul 20253812 AMAQI
16th Jul 2025451 AMAQI
16th Jul 2025532 AMAQI
16th Jul 2025523 AMAQI
27°C24/33°C
16th Jul 2025514 AMAQI
16th Jul 2025485 AMAQI
16th Jul 2025496 AMAQI
16th Jul 2025487 AMAQI
16th Jul 2025498 AMAQI
16th Jul 2025399 AMAQI
16th Jul 20253210 AMAQI
16th Jul 20255311 AMAQI
16th Jul 20255512 PMAQI
16th Jul 2025561 PMAQI
16th Jul 2025422 PMAQI
16th Jul 2025433 PMAQI
16th Jul 2025274 PMAQI
16th Jul 2025355 PMAQI
16th Jul 2025396 PMAQI
16th Jul 2025327 PMAQI
16th Jul 2025288 PMAQI
16th Jul 2025379 PMAQI
16th Jul 20253810 PMAQI
16th Jul 20254011 PMAQI
17th Jul 20254012 AMAQI
17th Jul 2025441 AMAQI
17th Jul 2025502 AMAQI
17th Jul 2025503 AMAQI
28°C24/34°C
17th Jul 2025514 AMAQI
17th Jul 2025505 AMAQI
17th Jul 2025486 AMAQI
17th Jul 2025497 AMAQI
17th Jul 2025498 AMAQI
17th Jul 2025229 AMAQI
17th Jul 20251810 AMAQI
17th Jul 20252011 AMAQI
17th Jul 20252912 PMAQI
17th Jul 2025341 PMAQI
17th Jul 2025352 PMAQI
17th Jul 2025333 PMAQI
17th Jul 2025304 PMAQI
17th Jul 2025345 PMAQI
17th Jul 2025346 PMAQI
17th Jul 2025407 PMAQI
17th Jul 2025428 PMAQI
17th Jul 2025439 PMAQI
17th Jul 20254110 PMAQI
17th Jul 20254211 PMAQI
18th Jul 20254112 AMAQI
18th Jul 2025431 AMAQI
18th Jul 2025482 AMAQI
18th Jul 2025483 AMAQI
27°C24/32°C
18th Jul 2025484 AMAQI
18th Jul 2025435 AMAQI
18th Jul 2025446 AMAQI
18th Jul 2025447 AMAQI
18th Jul 2025438 AMAQI
18th Jul 2025429 AMAQI
18th Jul 20254210 AMAQI
18th Jul 20254111 AMAQI
18th Jul 20254812 PMAQI
18th Jul 2025461 PMAQI
18th Jul 2025432 PMAQI
18th Jul 2025463 PMAQI
18th Jul 2025414 PMAQI
18th Jul 2025345 PMAQI
18th Jul 2025366 PMAQI
18th Jul 2025367 PMAQI
18th Jul 2025358 PMAQI
18th Jul 2025389 PMAQI
18th Jul 20254010 PMAQI
18th Jul 20254211 PMAQI
19th Jul 20253912 AMAQI
19th Jul 2025421 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025463 AMAQI
27°C23/34°C
19th Jul 2025444 AMAQI
19th Jul 2025455 AMAQI
19th Jul 2025446 AMAQI
19th Jul 2025457 AMAQI
19th Jul 2025458 AMAQI
19th Jul 2025329 AMAQI
19th Jul 20253310 AMAQI
19th Jul 20254011 AMAQI
19th Jul 20254412 PMAQI
19th Jul 2025461 PMAQI
19th Jul 2025412 PMAQI
19th Jul 2025353 PMAQI
19th Jul 2025314 PMAQI
19th Jul 2025345 PMAQI
19th Jul 2025376 PMAQI
19th Jul 2025377 PMAQI
19th Jul 2025368 PMAQI
19th Jul 2025389 PMAQI
19th Jul 20253710 PMAQI
19th Jul 20253911 PMAQI
20th Jul 20253912 AMAQI
20th Jul 2025401 AMAQI
20th Jul 2025432 AMAQI
20th Jul 2025443 AMAQI
28°C23/34°C
20th Jul 2025434 AMAQI
20th Jul 2025435 AMAQI
20th Jul 2025436 AMAQI
20th Jul 2025427 AMAQI
20th Jul 2025438 AMAQI
20th Jul 2025429 AMAQI
20th Jul 20254310 AMAQI
20th Jul 20254211 AMAQI
20th Jul 20254412 PMAQI
20th Jul 2025441 PMAQI
20th Jul 2025432 PMAQI
20th Jul 2025423 PMAQI
20th Jul 2025434 PMAQI
20th Jul 2025395 PMAQI
20th Jul 2025406 PMAQI
20th Jul 2025417 PMAQI
20th Jul 2025428 PMAQI
20th Jul 2025429 PMAQI
20th Jul 20254010 PMAQI
20th Jul 20254111 PMAQI
21st Jul 20253912 AMAQI
21st Jul 2025401 AMAQI
21st Jul 2025422 AMAQI
21st Jul 2025423 AMAQI
29°C23/36°C
21st Jul 2025434 AMAQI
21st Jul 2025425 AMAQI
21st Jul 2025436 AMAQI
21st Jul 2025437 AMAQI
21st Jul 2025438 AMAQI
21st Jul 2025429 AMAQI
21st Jul 20254410 AMAQI
21st Jul 20254811 AMAQI
21st Jul 20255112 PMAQI
21st Jul 2025521 PMAQI
21st Jul 2025522 PMAQI
21st Jul 2025523 PMAQI
21st Jul 2025514 PMAQI
21st Jul 2025545 PMAQI
21st Jul 2025566 PMAQI
21st Jul 2025547 PMAQI
21st Jul 2025508 PMAQI
21st Jul 2025489 PMAQI
21st Jul 20254810 PMAQI
21st Jul 20254611 PMAQI
22nd Jul 20254812 AMAQI
22nd Jul 2025481 AMAQI
22nd Jul 2025422 AMAQI
22nd Jul 2025423 AMAQI
30°C24/37°C
22nd Jul 2025434 AMAQI
22nd Jul 2025445 AMAQI
22nd Jul 2025446 AMAQI
22nd Jul 2025447 AMAQI
22nd Jul 2025438 AMAQI
22nd Jul 2025509 AMAQI
22nd Jul 20255510 AMAQI
22nd Jul 20255811 AMAQI
22nd Jul 20256112 PMAQI
22nd Jul 2025621 PMAQI
22nd Jul 2025602 PMAQI
22nd Jul 2025583 PMAQI
22nd Jul 2025544 PMAQI
22nd Jul 2025585 PMAQI
22nd Jul 2025576 PMAQI
22nd Jul 2025547 PMAQI
22nd Jul 2025508 PMAQI
22nd Jul 2025489 PMAQI
22nd Jul 20254910 PMAQI
22nd Jul 20255211 PMAQI
23rd Jul 20255412 AMAQI
23rd Jul 2025511 AMAQI
23rd Jul 2025452 AMAQI
23rd Jul 2025443 AMAQI
30°C25/37°C
23rd Jul 2025464 AMAQI
23rd Jul 2025505 AMAQI
23rd Jul 2025496 AMAQI
23rd Jul 2025497 AMAQI
23rd Jul 2025498 AMAQI
23rd Jul 2025569 AMAQI
23rd Jul 20255910 AMAQI
23rd Jul 20256311 AMAQI
23rd Jul 20256312 PMAQI
23rd Jul 2025621 PMAQI
23rd Jul 2025622 PMAQI
23rd Jul 2025623 PMAQI
23rd Jul 2025594 PMAQI
23rd Jul 2025655 PMAQI
23rd Jul 2025626 PMAQI
23rd Jul 2025607 PMAQI
23rd Jul 2025578 PMAQI
23rd Jul 2025489 PMAQI
23rd Jul 20254510 PMAQI
23rd Jul 20254611 PMAQI
24th Jul 20254612 AMAQI
24th Jul 2025461 AMAQI
24th Jul 2025472 AMAQI
24th Jul 2025473 AMAQI
30°C24/37°C
24th Jul 2025494 AMAQI
24th Jul 2025525 AMAQI
24th Jul 2025526 AMAQI
24th Jul 2025527 AMAQI
24th Jul 2025528 AMAQI
24th Jul 2025529 AMAQI
24th Jul 20255510 AMAQI
24th Jul 20255611 AMAQI
24th Jul 20255612 PMAQI
24th Jul 2025581 PMAQI
24th Jul 2025592 PMAQI
24th Jul 2025583 PMAQI
24th Jul 2025614 PMAQI
24th Jul 2025595 PMAQI
24th Jul 2025556 PMAQI
24th Jul 2025507 PMAQI
24th Jul 2025488 PMAQI
24th Jul 2025529 PMAQI
24th Jul 20255410 PMAQI
24th Jul 20255411 PMAQI
25th Jul 20255512 AMAQI
25th Jul 2025521 AMAQI
25th Jul 2025482 AMAQI
25th Jul 2025493 AMAQI
30°C24/37°C
25th Jul 2025504 AMAQI
25th Jul 2025525 AMAQI
25th Jul 2025526 AMAQI
25th Jul 2025527 AMAQI
25th Jul 2025528 AMAQI
25th Jul 2025569 AMAQI
25th Jul 20255810 AMAQI
25th Jul 20256011 AMAQI
25th Jul 20256012 PMAQI
25th Jul 2025631 PMAQI
25th Jul 2025632 PMAQI
25th Jul 2025653 PMAQI
25th Jul 2025584 PMAQI
25th Jul 2025425 PMAQI
25th Jul 2025386 PMAQI
25th Jul 2025407 PMAQI
25th Jul 2025428 PMAQI
25th Jul 2025479 PMAQI
25th Jul 20254510 PMAQI
25th Jul 20255411 PMAQI
26th Jul 20254512 AMAQI
26th Jul 2025471 AMAQI
26th Jul 2025512 AMAQI
26th Jul 2025513 AMAQI
30°C24/37°C
26th Jul 2025524 AMAQI
26th Jul 2025535 AMAQI
26th Jul 2025536 AMAQI
26th Jul 2025537 AMAQI
26th Jul 2025538 AMAQI
26th Jul 2025549 AMAQI
26th Jul 20255710 AMAQI
26th Jul 20255611 AMAQI
26th Jul 20255812 PMAQI
26th Jul 2025571 PMAQI
26th Jul 2025572 PMAQI
26th Jul 2025583 PMAQI
26th Jul 2025584 PMAQI
26th Jul 2025505 PMAQI
26th Jul 2025546 PMAQI
26th Jul 2025557 PMAQI
26th Jul 2025548 PMAQI
26th Jul 2025529 PMAQI
26th Jul 20255210 PMAQI
26th Jul 20255211 PMAQI
27th Jul 20255212 AMAQI
27th Jul 2025521 AMAQI
27th Jul 2025542 AMAQI
27th Jul 2025513 AMAQI
30°C24/38°C
27th Jul 2025524 AMAQI
27th Jul 2025525 AMAQI
27th Jul 2025526 AMAQI
27th Jul 2025527 AMAQI
27th Jul 2025528 AMAQI
27th Jul 2025479 AMAQI
27th Jul 20254610 AMAQI
27th Jul 20255011 AMAQI
27th Jul 20255112 PMAQI
27th Jul 2025471 PMAQI
27th Jul 2025482 PMAQI
27th Jul 2025503 PMAQI
27th Jul 2025504 PMAQI
27th Jul 2025545 PMAQI
27th Jul 2025446 PMAQI
27th Jul 2025327 PMAQI
27th Jul 2025378 PMAQI
27th Jul 2025419 PMAQI
27th Jul 20254010 PMAQI
27th Jul 20254111 PMAQI
28th Jul 20254112 AMAQI
28th Jul 2025431 AMAQI
28th Jul 2025512 AMAQI
28th Jul 2025503 AMAQI
30°C25/37°C
28th Jul 2025494 AMAQI
28th Jul 2025515 AMAQI
28th Jul 2025516 AMAQI
28th Jul 2025517 AMAQI
28th Jul 2025518 AMAQI
28th Jul 2025479 AMAQI
28th Jul 20254610 AMAQI
28th Jul 20255211 AMAQI
28th Jul 20255212 PMAQI
28th Jul 2025541 PMAQI
28th Jul 2025522 PMAQI
28th Jul 2025523 PMAQI
28th Jul 2025534 PMAQI
28th Jul 2025555 PMAQI
28th Jul 2025586 PMAQI
28th Jul 2025567 PMAQI
28th Jul 2025548 PMAQI
28th Jul 2025499 PMAQI
28th Jul 20254910 PMAQI
28th Jul 20254911 PMAQI
29th Jul 20254812 AMAQI
29th Jul 2025481 AMAQI
29th Jul 2025472 AMAQI
29th Jul 2025463 AMAQI
30°C25/37°C
29th Jul 2025484 AMAQI
29th Jul 2025485 AMAQI
29th Jul 2025506 AMAQI
29th Jul 2025507 AMAQI
29th Jul 2025508 AMAQI
29th Jul 2025569 AMAQI
29th Jul 20255510 AMAQI
29th Jul 20255311 AMAQI
29th Jul 20255112 PMAQI
29th Jul 2025521 PMAQI
29th Jul 2025502 PMAQI
29th Jul 2025523 PMAQI
29th Jul 2025494 PMAQI
29th Jul 2025475 PMAQI
29th Jul 2025506 PMAQI
29th Jul 2025547 PMAQI
29th Jul 2025528 PMAQI
29th Jul 2025529 PMAQI
29th Jul 20255310 PMAQI
29th Jul 20253911 PMAQI
30th Jul 20254612 AMAQI
30th Jul 2025481 AMAQI
30th Jul 2025482 AMAQI
30th Jul 2025483 AMAQI
31°C25/37°C
30th Jul 2025494 AMAQI
30th Jul 2025505 AMAQI
30th Jul 2025516 AMAQI
30th Jul 2025497 AMAQI
30th Jul 2025508 AMAQI
30th Jul 2025269 AMAQI
30th Jul 20252010 AMAQI
30th Jul 20252811 AMAQI
30th Jul 20253512 PMAQI
30th Jul 2025281 PMAQI
30th Jul 2025272 PMAQI
30th Jul 2025233 PMAQI
30th Jul 2025244 PMAQI
30th Jul 2025335 PMAQI
30th Jul 2025386 PMAQI
30th Jul 2025377 PMAQI
30th Jul 2025388 PMAQI
30th Jul 2025389 PMAQI
30th Jul 20253910 PMAQI
30th Jul 20254011 PMAQI
31st Jul 20253912 AMAQI
31st Jul 2025421 AMAQI
31st Jul 2025502 AMAQI
31st Jul 2025503 AMAQI
29°C24/36°C
31st Jul 2025504 AMAQI
31st Jul 2025505 AMAQI
31st Jul 2025506 AMAQI
31st Jul 2025507 AMAQI
31st Jul 2025508 AMAQI
31st Jul 2025509 AMAQI
31st Jul 20255010 AMAQI
31st Jul 20254511 AMAQI
31st Jul 20254412 PMAQI
31st Jul 2025421 PMAQI
31st Jul 2025392 PMAQI
31st Jul 2025403 PMAQI
31st Jul 2025354 PMAQI
31st Jul 2025385 PMAQI
31st Jul 2025406 PMAQI
31st Jul 2025347 PMAQI
31st Jul 2025328 PMAQI
31st Jul 2025349 PMAQI
31st Jul 20253510 PMAQI
31st Jul 20252711 PMAQI
1st Aug 20253212 AMAQI
1st Aug 2025371 AMAQI
1st Aug 2025342 AMAQI
1st Aug 2025373 AMAQI
28°C23/35°C
1st Aug 2025394 AMAQI
1st Aug 2025365 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025377 AMAQI
1st Aug 2025378 AMAQI
1st Aug 2025409 AMAQI
1st Aug 20252910 AMAQI
1st Aug 20254311 AMAQI
1st Aug 20254312 PMAQI
1st Aug 2025421 PMAQI
1st Aug 2025372 PMAQI
1st Aug 2025343 PMAQI
1st Aug 2025494 PMAQI
1st Aug 2025385 PMAQI
1st Aug 2025456 PMAQI
1st Aug 2025307 PMAQI
1st Aug 2025318 PMAQI
1st Aug 2025349 PMAQI
1st Aug 20253510 PMAQI
1st Aug 20253011 PMAQI
2nd Aug 20253112 AMAQI
2nd Aug 2025341 AMAQI
2nd Aug 2025382 AMAQI
2nd Aug 2025393 AMAQI
26°C23/31°C
2nd Aug 2025404 AMAQI
2nd Aug 2025395 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025408 AMAQI
2nd Aug 2025419 AMAQI
2nd Aug 20253510 AMAQI
2nd Aug 20254211 AMAQI
2nd Aug 20253112 PMAQI
2nd Aug 2025381 PMAQI
2nd Aug 2025522 PMAQI
2nd Aug 2025523 PMAQI
2nd Aug 2025464 PMAQI
2nd Aug 2025515 PMAQI
2nd Aug 2025496 PMAQI
2nd Aug 2025517 PMAQI
2nd Aug 2025428 PMAQI
2nd Aug 2025399 PMAQI
2nd Aug 20253410 PMAQI
2nd Aug 20254511 PMAQI
3rd Aug 20253312 AMAQI
3rd Aug 2025361 AMAQI
3rd Aug 2025382 AMAQI
3rd Aug 2025383 AMAQI
30°C25/38°C
3rd Aug 2025404 AMAQI
3rd Aug 2025405 AMAQI
3rd Aug 2025396 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025398 AMAQI
3rd Aug 2025429 AMAQI
3rd Aug 20255310 AMAQI
3rd Aug 20255111 AMAQI
3rd Aug 20255812 PMAQI
3rd Aug 2025551 PMAQI
3rd Aug 2025562 PMAQI
3rd Aug 2025503 PMAQI
3rd Aug 2025524 PMAQI
3rd Aug 2025535 PMAQI
3rd Aug 2025546 PMAQI
3rd Aug 2025557 PMAQI
3rd Aug 2025518 PMAQI
3rd Aug 2025439 PMAQI
3rd Aug 20254010 PMAQI
3rd Aug 20254211 PMAQI
4th Aug 20253712 AMAQI
4th Aug 2025371 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025403 AMAQI
30°C25/37°C
4th Aug 2025424 AMAQI
4th Aug 2025425 AMAQI
4th Aug 2025436 AMAQI
4th Aug 2025447 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025479 AMAQI
4th Aug 20255810 AMAQI
4th Aug 20256911 AMAQI
4th Aug 20257212 PMAQI
4th Aug 2025721 PMAQI
4th Aug 2025812 PMAQI
4th Aug 2025713 PMAQI
4th Aug 2025824 PMAQI
4th Aug 2025885 PMAQI
4th Aug 2025736 PMAQI
4th Aug 2025747 PMAQI
4th Aug 2025628 PMAQI
4th Aug 2025589 PMAQI
4th Aug 20255410 PMAQI
4th Aug 20254911 PMAQI
5th Aug 20255512 AMAQI
5th Aug 2025431 AMAQI
5th Aug 2025422 AMAQI
5th Aug 2025423 AMAQI
32°C27/38°C
5th Aug 2025504 AMAQI
4 AM5th Aug 2025525 AMAQI
5th Aug 2025526 AMAQI
5th Aug 2025517 AMAQI
5th Aug 2025538 AMAQI
5th Aug 2025589 AMAQI
5th Aug 20255910 AMAQI
11 AM
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
11 AM - 6 PM
51AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
9 AM - 10 AM
48AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 6 PM (Avg. 51), while the lowest AQI was between 9 AM to 10 AM (Avg. 48).
Night time
Avg. Highest Time
12 AM - 11 PM
49AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
49AQI
9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 49), while the lowest AQI was between 12 AM to 11 PM (Avg. 49).
2025 Days Vs Air Quality
Yorii, Saitama, Japan
2025
80%
172
20%
43
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
172 DaysModerate
43 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 80%
Health Risk Level:
Low
In 2025, 80% of 217 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
Yorii, 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
29AQI
29AQI
2nd January 2025
27AQI
27AQI
3rd January 2025
26AQI
26AQI
4th January 2025
27AQI
27AQI
5th January 2025
31AQI
31AQI
6th January 2025
49AQI
49AQI
7th January 2025
30AQI
30AQI
8th January 2025
36AQI
36AQI
9th January 2025
28AQI
28AQI
10th January 2025
28AQI
28AQI
11th January 2025
25AQI
25AQI
12th January 2025
35AQI
35AQI
13th January 2025
28AQI
28AQI
14th January 2025
29AQI
29AQI
15th January 2025
31AQI
31AQI
16th January 2025
28AQI
28AQI
17th January 2025
28AQI
28AQI
18th January 2025
29AQI
29AQI
19th January 2025
38AQI
38AQI
20th January 2025
37AQI
37AQI
21st January 2025
40AQI
40AQI
22nd January 2025
35AQI
35AQI
23rd January 2025
44AQI
44AQI
24th January 2025
44AQI
44AQI
25th January 2025
36AQI
36AQI
26th January 2025
36AQI
36AQI
27th January 2025
33AQI
33AQI
28th January 2025
40AQI
40AQI
29th January 2025
33AQI
33AQI
30th January 2025
33AQI
33AQI
31st January 2025
33AQI
33AQI
1st February 2025
41AQI
41AQI
2nd February 2025
50AQI
50AQI
3rd February 2025
46AQI
46AQI
4th February 2025
38AQI
38AQI
5th February 2025
36AQI
36AQI
6th February 2025
30AQI
30AQI
7th February 2025
30AQI
30AQI
8th February 2025
30AQI
30AQI
9th February 2025
29AQI
29AQI
10th February 2025
29AQI
29AQI
11th February 2025
30AQI
30AQI
12th February 2025
37AQI
37AQI
13th February 2025
33AQI
33AQI
14th February 2025
33AQI
33AQI
15th February 2025
31AQI
31AQI
16th February 2025
38AQI
38AQI
17th February 2025
39AQI
39AQI
18th February 2025
32AQI
32AQI
19th February 2025
32AQI
32AQI
20th February 2025
32AQI
32AQI
21st February 2025
32AQI
32AQI
22nd February 2025
32AQI
32AQI
23rd February 2025
33AQI
33AQI
24th February 2025
33AQI
33AQI
25th February 2025
35AQI
35AQI
26th February 2025
37AQI
37AQI
27th February 2025
44AQI
44AQI
28th February 2025
51AQI
51AQI
1st March 2025
55AQI
55AQI
2nd March 2025
55AQI
55AQI
3rd March 2025
42AQI
42AQI
4th March 2025
38AQI
38AQI
5th March 2025
27AQI
27AQI
6th March 2025
34AQI
34AQI
7th March 2025
32AQI
32AQI
8th March 2025
43AQI
43AQI
9th March 2025
38AQI
38AQI
10th March 2025
41AQI
41AQI
11th March 2025
49AQI
49AQI
12th March 2025
51AQI
51AQI
13th March 2025
55AQI
55AQI
14th March 2025
45AQI
45AQI
15th March 2025
40AQI
40AQI
16th March 2025
25AQI
25AQI
17th March 2025
22AQI
22AQI
18th March 2025
27AQI
27AQI
19th March 2025
18AQI
18AQI
20th March 2025
24AQI
24AQI
21st March 2025
36AQI
36AQI
22nd March 2025
46AQI
46AQI
23rd March 2025
57AQI
57AQI
24th March 2025
63AQI
63AQI
25th March 2025
74AQI
74AQI
26th March 2025
77AQI
77AQI
27th March 2025
73AQI
73AQI
28th March 2025
59AQI
59AQI
29th March 2025
37AQI
37AQI
30th March 2025
38AQI
38AQI
31st March 2025
34AQI
34AQI
1st April 2025
29AQI
29AQI
2nd April 2025
21AQI
21AQI
3rd April 2025
25AQI
25AQI
4th April 2025
19AQI
19AQI
5th April 2025
33AQI
33AQI
6th April 2025
27AQI
27AQI
7th April 2025
34AQI
34AQI
8th April 2025
42AQI
42AQI
9th April 2025
29AQI
29AQI
10th April 2025
48AQI
48AQI
11th April 2025
42AQI
42AQI
12th April 2025
46AQI
46AQI
13th April 2025
32AQI
32AQI
14th April 2025
29AQI
29AQI
15th April 2025
27AQI
27AQI
16th April 2025
29AQI
29AQI
17th April 2025
46AQI
46AQI
18th April 2025
56AQI
56AQI
19th April 2025
68AQI
68AQI
20th April 2025
69AQI
69AQI
21st April 2025
45AQI
45AQI
22nd April 2025
58AQI
58AQI
23rd April 2025
38AQI
38AQI
24th April 2025
41AQI
41AQI
25th April 2025
48AQI
48AQI
26th April 2025
50AQI
50AQI
27th April 2025
53AQI
53AQI
28th April 2025
57AQI
57AQI
29th April 2025
39AQI
39AQI
30th April 2025
50AQI
50AQI
1st May 2025
48AQI
48AQI
2nd May 2025
36AQI
36AQI
3rd May 2025
34AQI
34AQI
4th May 2025
39AQI
39AQI
5th May 2025
36AQI
36AQI
6th May 2025
35AQI
35AQI
7th May 2025
26AQI
26AQI
8th May 2025
35AQI
35AQI
9th May 2025
34AQI
34AQI
10th May 2025
25AQI
25AQI
11th May 2025
23AQI
23AQI
12th May 2025
28AQI
28AQI
13th May 2025
37AQI
37AQI
14th May 2025
46AQI
46AQI
15th May 2025
45AQI
45AQI
16th May 2025
51AQI
51AQI
17th May 2025
36AQI
36AQI
18th May 2025
46AQI
46AQI
19th May 2025
46AQI
46AQI
20th May 2025
59AQI
59AQI
21st May 2025
69AQI
69AQI
22nd May 2025
60AQI
60AQI
23rd May 2025
53AQI
53AQI
24th May 2025
51AQI
51AQI
25th May 2025
31AQI
31AQI
26th May 2025
34AQI
34AQI
27th May 2025
32AQI
32AQI
28th May 2025
31AQI
31AQI
29th May 2025
39AQI
39AQI
30th May 2025
29AQI
29AQI
31st May 2025
24AQI
24AQI
1st June 2025
22AQI
22AQI
2nd June 2025
36AQI
36AQI
3rd June 2025
34AQI
34AQI
4th June 2025
29AQI
29AQI
5th June 2025
38AQI
38AQI
6th June 2025
47AQI
47AQI
7th June 2025
53AQI
53AQI
8th June 2025
63AQI
63AQI
9th June 2025
56AQI
56AQI
10th June 2025
44AQI
44AQI
11th June 2025
32AQI
32AQI
12th June 2025
42AQI
42AQI
13th June 2025
50AQI
50AQI
14th June 2025
44AQI
44AQI
15th June 2025
32AQI
32AQI
16th June 2025
42AQI
42AQI
17th June 2025
49AQI
49AQI
18th June 2025
45AQI
45AQI
19th June 2025
50AQI
50AQI
20th June 2025
50AQI
50AQI
21st June 2025
45AQI
45AQI
22nd June 2025
34AQI
34AQI
23rd June 2025
33AQI
33AQI
24th June 2025
35AQI
35AQI
25th June 2025
29AQI
29AQI
26th June 2025
27AQI
27AQI
27th June 2025
34AQI
34AQI
28th June 2025
37AQI
37AQI
29th June 2025
46AQI
46AQI
30th June 2025
51AQI
51AQI
1st July 2025
53AQI
53AQI
2nd July 2025
45AQI
45AQI
3rd July 2025
51AQI
51AQI
4th July 2025
48AQI
48AQI
5th July 2025
52AQI
52AQI
6th July 2025
56AQI
56AQI
7th July 2025
74AQI
74AQI
8th July 2025
77AQI
77AQI
9th July 2025
78AQI
78AQI
10th July 2025
62AQI
62AQI
11th July 2025
49AQI
49AQI
12th July 2025
53AQI
53AQI
13th July 2025
53AQI
53AQI
14th July 2025
40AQI
40AQI
15th July 2025
37AQI
37AQI
16th July 2025
43AQI
43AQI
17th July 2025
40AQI
40AQI
18th July 2025
42AQI
42AQI
19th July 2025
40AQI
40AQI
20th July 2025
42AQI
42AQI
21st July 2025
47AQI
47AQI
22nd July 2025
51AQI
51AQI
23rd July 2025
54AQI
54AQI
24th July 2025
52AQI
52AQI
25th July 2025
51AQI
51AQI
26th July 2025
53AQI
53AQI
27th July 2025
47AQI
47AQI
28th July 2025
51AQI
51AQI
29th July 2025
50AQI
50AQI
30th July 2025
39AQI
39AQI
31st July 2025
42AQI
42AQI
1st August 2025
36AQI
36AQI
2nd August 2025
41AQI
41AQI
3rd August 2025
46AQI
46AQI
33AQI
35AQI
44AQI
41AQI
39AQI
41AQI
51AQI
41AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202541AQI
31
27
1
21
10
24
6
25
6
26
4
15
16
3
172
43
Highest AQI recorded in
July51AQI
Lowest AQI recorded in
January33AQI
202438AQI
30
1
28
1
26
5
14
16
23
8
23
7
20
11
27
4
28
2
31
28
2
31
309
57
Highest AQI recorded in
April54AQI
Lowest AQI recorded in
December29AQI
202341AQI
29
2
23
5
22
9
15
15
21
10
19
11
17
14
31
30
30
1
22
7
26
5
285
79
Highest AQI recorded in
April51AQI
Lowest AQI recorded in
August30AQI
202239AQI
28
3
20
1
24
7
19
11
23
8
19
11
18
6
1
27
2
29
2
26
4
31
265
55
Highest AQI recorded in
June48AQI
Lowest AQI recorded in
December30AQI
202137AQI
29
2
23
5
21
9
1
24
6
25
6
23
7
27
4
31
26
4
28
3
28
2
30
1
315
49
1
Highest AQI recorded in
March46AQI
Lowest AQI recorded in
August32AQI
202039AQI
11
2
18
3
14
4
18
12
28
3
10
21
19
28
3
24
6
31
201
54
Highest AQI recorded in
August58AQI
Lowest AQI recorded in
September26AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
41AQILeast Polluted Year Recorded
2021(Avg.)
37AQIYorii's annual 2025 AQI (41) shows an average percentage change of 5.06% (worsened AQI) compared to previous years: 2020 (39), 2021 (37), 2022 (39), 2023 (41), 2024 (38).
