Honjo, 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
Honjo, Saitama, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
15th Aug 2023
58AQILowest AQI recorded on
30th Aug 2024
15AQISame Day Analysis (5th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 50 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Honjo, Saitama, Japan
AQI
Day
Night
.
4 AM6th Aug 2025
6 PM
3 AM7th Aug 2025
Day time
Avg. Highest Time
4AM6th Aug
52AQI
Avg. Lowest Time
11AM6th Aug
35AQI
Night time
Avg. Highest Time
7PM6th Aug
52AQI
Avg. Lowest Time
12AM7th Aug
44AQI
In the last 24 hours,
Honjo's AQI reached its highest point of 52 at 4 AM during the Day, while the lowest point, 35, was recorded at 11 AM during the Day between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Honjo, Saitama, Japan
JulAug
08th - 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 - 06th06th - 07th07th
Day
Night
8th Jul 2025584 AMAQI
8th Jul 2025605 AMAQI
8th Jul 2025606 AMAQI
8th Jul 2025607 AMAQI
8th Jul 2025608 AMAQI
8th Jul 20251049 AMAQI
8th Jul 202511710 AMAQI
8th Jul 202512011 AMAQI
8th Jul 202511112 PMAQI
8th Jul 2025931 PMAQI
8th Jul 2025882 PMAQI
8th Jul 2025823 PMAQI
8th Jul 2025824 PMAQI
8th Jul 2025775 PMAQI
8th Jul 2025746 PMAQI
8th Jul 2025737 PMAQI
8th Jul 2025728 PMAQI
8th Jul 2025669 PMAQI
8th Jul 20256810 PMAQI
8th Jul 20257011 PMAQI
9th Jul 20256912 AMAQI
9th Jul 2025661 AMAQI
9th Jul 2025622 AMAQI
9th Jul 2025623 AMAQI
30°C26/36°C
9th Jul 2025644 AMAQI
9th Jul 2025675 AMAQI
9th Jul 2025676 AMAQI
9th Jul 2025687 AMAQI
9th Jul 2025678 AMAQI
9th Jul 2025829 AMAQI
9th Jul 20258910 AMAQI
9th Jul 20258611 AMAQI
9th Jul 20258212 PMAQI
9th Jul 2025791 PMAQI
9th Jul 2025762 PMAQI
9th Jul 2025823 PMAQI
9th Jul 2025854 PMAQI
9th Jul 2025925 PMAQI
9th Jul 2025946 PMAQI
9th Jul 2025917 PMAQI
9th Jul 2025838 PMAQI
9th Jul 2025699 PMAQI
9th Jul 20256710 PMAQI
9th Jul 20256511 PMAQI
10th Jul 20256512 AMAQI
10th Jul 2025651 AMAQI
10th Jul 2025662 AMAQI
10th Jul 2025663 AMAQI
31°C26/36°C
10th Jul 2025674 AMAQI
10th Jul 2025695 AMAQI
10th Jul 2025706 AMAQI
10th Jul 2025687 AMAQI
10th Jul 2025698 AMAQI
10th Jul 2025619 AMAQI
10th Jul 20256310 AMAQI
10th Jul 20256811 AMAQI
10th Jul 20257412 PMAQI
10th Jul 2025751 PMAQI
10th Jul 2025732 PMAQI
10th Jul 2025753 PMAQI
10th Jul 2025754 PMAQI
10th Jul 2025645 PMAQI
10th Jul 2025486 PMAQI
10th Jul 2025427 PMAQI
10th Jul 2025468 PMAQI
10th Jul 2025589 PMAQI
10th Jul 20255810 PMAQI
10th Jul 20255911 PMAQI
11th Jul 20255912 AMAQI
11th Jul 2025621 AMAQI
11th Jul 2025662 AMAQI
11th Jul 2025663 AMAQI
27°C23/35°C
11th Jul 2025674 AMAQI
11th Jul 2025675 AMAQI
11th Jul 2025676 AMAQI
11th Jul 2025677 AMAQI
11th Jul 2025678 AMAQI
11th Jul 2025299 AMAQI
11th Jul 20251710 AMAQI
11th Jul 20251711 AMAQI
11th Jul 20252012 PMAQI
11th Jul 2025331 PMAQI
11th Jul 2025342 PMAQI
11th Jul 2025363 PMAQI
11th Jul 2025374 PMAQI
11th Jul 2025405 PMAQI
11th Jul 2025406 PMAQI
11th Jul 2025397 PMAQI
11th Jul 2025468 PMAQI
11th Jul 2025579 PMAQI
11th Jul 20255710 PMAQI
11th Jul 20255711 PMAQI
12th Jul 20255712 AMAQI
12th Jul 2025591 AMAQI
12th Jul 2025632 AMAQI
12th Jul 2025643 AMAQI
22°C20/23°C
12th Jul 2025624 AMAQI
12th Jul 2025605 AMAQI
12th Jul 2025606 AMAQI
12th Jul 2025607 AMAQI
12th Jul 2025608 AMAQI
12th Jul 2025379 AMAQI
12th Jul 20253010 AMAQI
12th Jul 20253211 AMAQI
12th Jul 20253812 PMAQI
12th Jul 2025441 PMAQI
12th Jul 2025462 PMAQI
12th Jul 2025473 PMAQI
12th Jul 2025494 PMAQI
12th Jul 2025485 PMAQI
12th Jul 2025516 PMAQI
12th Jul 2025527 PMAQI
12th Jul 2025538 PMAQI
12th Jul 2025569 PMAQI
12th Jul 20255510 PMAQI
12th Jul 20255511 PMAQI
13th Jul 20255512 AMAQI
13th Jul 2025571 AMAQI
13th Jul 2025592 AMAQI
13th Jul 2025603 AMAQI
23°C19/28°C
13th Jul 2025594 AMAQI
13th Jul 2025575 AMAQI
13th Jul 2025576 AMAQI
13th Jul 2025577 AMAQI
13th Jul 2025578 AMAQI
13th Jul 2025459 AMAQI
13th Jul 20253510 AMAQI
13th Jul 20253811 AMAQI
13th Jul 20254212 PMAQI
13th Jul 2025491 PMAQI
13th Jul 2025492 PMAQI
13th Jul 2025503 PMAQI
13th Jul 2025534 PMAQI
13th Jul 2025545 PMAQI
13th Jul 2025556 PMAQI
13th Jul 2025567 PMAQI
13th Jul 2025548 PMAQI
13th Jul 2025559 PMAQI
13th Jul 20255410 PMAQI
13th Jul 20255411 PMAQI
14th Jul 20255312 AMAQI
14th Jul 2025541 AMAQI
14th Jul 2025562 AMAQI
14th Jul 2025563 AMAQI
26°C21/32°C
14th Jul 2025564 AMAQI
14th Jul 2025555 AMAQI
14th Jul 2025556 AMAQI
14th Jul 2025557 AMAQI
14th Jul 2025558 AMAQI
14th Jul 2025329 AMAQI
14th Jul 20252110 AMAQI
14th Jul 20251811 AMAQI
14th Jul 20251912 PMAQI
14th Jul 2025291 PMAQI
14th Jul 2025282 PMAQI
14th Jul 2025293 PMAQI
14th Jul 2025304 PMAQI
14th Jul 2025315 PMAQI
14th Jul 2025326 PMAQI
14th Jul 2025327 PMAQI
14th Jul 2025388 PMAQI
14th Jul 2025509 PMAQI
14th Jul 20255010 PMAQI
14th Jul 20254911 PMAQI
15th Jul 20254912 AMAQI
15th Jul 2025521 AMAQI
15th Jul 2025542 AMAQI
15th Jul 2025553 AMAQI
25°C22/29°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 20251810 AMAQI
15th Jul 20251811 AMAQI
15th Jul 20252212 PMAQI
15th Jul 2025311 PMAQI
15th Jul 2025302 PMAQI
15th Jul 2025323 PMAQI
15th Jul 2025324 PMAQI
15th Jul 2025325 PMAQI
15th Jul 2025306 PMAQI
15th Jul 2025307 PMAQI
15th Jul 2025348 PMAQI
15th Jul 2025459 PMAQI
15th Jul 20254510 PMAQI
15th Jul 20254411 PMAQI
16th Jul 20254412 AMAQI
16th Jul 2025481 AMAQI
16th Jul 2025522 AMAQI
16th Jul 2025523 AMAQI
26°C23/31°C
16th Jul 2025524 AMAQI
16th Jul 2025495 AMAQI
16th Jul 2025516 AMAQI
16th Jul 2025507 AMAQI
16th Jul 2025508 AMAQI
16th Jul 2025389 AMAQI
16th Jul 20254010 AMAQI
16th Jul 20255311 AMAQI
16th Jul 20255512 PMAQI
16th Jul 2025521 PMAQI
16th Jul 2025482 PMAQI
16th Jul 2025423 PMAQI
16th Jul 2025344 PMAQI
16th Jul 2025345 PMAQI
16th Jul 2025346 PMAQI
16th Jul 2025337 PMAQI
16th Jul 2025318 PMAQI
16th Jul 2025419 PMAQI
16th Jul 20254210 PMAQI
16th Jul 20254211 PMAQI
17th Jul 20254312 AMAQI
17th Jul 2025451 AMAQI
17th Jul 2025492 AMAQI
17th Jul 2025493 AMAQI
27°C22/32°C
17th Jul 2025504 AMAQI
17th Jul 2025505 AMAQI
17th Jul 2025496 AMAQI
17th Jul 2025497 AMAQI
17th Jul 2025508 AMAQI
17th Jul 2025239 AMAQI
17th Jul 20251710 AMAQI
17th Jul 20252311 AMAQI
17th Jul 20252812 PMAQI
17th Jul 2025341 PMAQI
17th Jul 2025342 PMAQI
17th Jul 2025343 PMAQI
17th Jul 2025344 PMAQI
17th Jul 2025365 PMAQI
17th Jul 2025346 PMAQI
17th Jul 2025387 PMAQI
17th Jul 2025398 PMAQI
17th Jul 2025439 PMAQI
17th Jul 20254310 PMAQI
17th Jul 20254311 PMAQI
18th Jul 20254312 AMAQI
18th Jul 2025451 AMAQI
18th Jul 2025472 AMAQI
18th Jul 2025483 AMAQI
26°C23/31°C
18th Jul 2025474 AMAQI
18th Jul 2025445 AMAQI
18th Jul 2025446 AMAQI
18th Jul 2025447 AMAQI
18th Jul 2025448 AMAQI
18th Jul 2025369 AMAQI
18th Jul 20253510 AMAQI
18th Jul 20253611 AMAQI
18th Jul 20253812 PMAQI
18th Jul 2025421 PMAQI
18th Jul 2025442 PMAQI
18th Jul 2025413 PMAQI
18th Jul 2025374 PMAQI
18th Jul 2025355 PMAQI
18th Jul 2025336 PMAQI
18th Jul 2025337 PMAQI
18th Jul 2025358 PMAQI
18th Jul 2025419 PMAQI
18th Jul 20254110 PMAQI
18th Jul 20254211 PMAQI
19th Jul 20254112 AMAQI
19th Jul 2025431 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025463 AMAQI
27°C22/34°C
19th Jul 2025444 AMAQI
19th Jul 2025435 AMAQI
19th Jul 2025446 AMAQI
19th Jul 2025447 AMAQI
19th Jul 2025448 AMAQI
19th Jul 2025329 AMAQI
19th Jul 20253210 AMAQI
19th Jul 20253511 AMAQI
19th Jul 20254012 PMAQI
19th Jul 2025441 PMAQI
19th Jul 2025432 PMAQI
19th Jul 2025403 PMAQI
19th Jul 2025354 PMAQI
19th Jul 2025345 PMAQI
19th Jul 2025336 PMAQI
19th Jul 2025317 PMAQI
19th Jul 2025348 PMAQI
19th Jul 2025389 PMAQI
19th Jul 20253810 PMAQI
19th Jul 20253811 PMAQI
20th Jul 20253812 AMAQI
20th Jul 2025401 AMAQI
20th Jul 2025442 AMAQI
20th Jul 2025443 AMAQI
28°C24/35°C
20th Jul 2025444 AMAQI
20th Jul 2025435 AMAQI
20th Jul 2025436 AMAQI
20th Jul 2025437 AMAQI
20th Jul 2025438 AMAQI
20th Jul 2025379 AMAQI
20th Jul 20254010 AMAQI
20th Jul 20254211 AMAQI
20th Jul 20254412 PMAQI
20th Jul 2025441 PMAQI
20th Jul 2025462 PMAQI
20th Jul 2025443 PMAQI
20th Jul 2025424 PMAQI
20th Jul 2025405 PMAQI
20th Jul 2025386 PMAQI
20th Jul 2025367 PMAQI
20th Jul 2025378 PMAQI
20th Jul 2025399 PMAQI
20th Jul 20253910 PMAQI
20th Jul 20253911 PMAQI
21st Jul 20253912 AMAQI
21st Jul 2025401 AMAQI
21st Jul 2025422 AMAQI
21st Jul 2025423 AMAQI
30°C23/37°C
21st Jul 2025424 AMAQI
21st Jul 2025425 AMAQI
21st Jul 2025426 AMAQI
21st Jul 2025427 AMAQI
21st Jul 2025438 AMAQI
21st Jul 2025409 AMAQI
21st Jul 20254310 AMAQI
21st Jul 20254511 AMAQI
21st Jul 20254912 PMAQI
21st Jul 2025481 PMAQI
21st Jul 2025482 PMAQI
21st Jul 2025523 PMAQI
21st Jul 2025524 PMAQI
21st Jul 2025545 PMAQI
21st Jul 2025526 PMAQI
21st Jul 2025487 PMAQI
21st Jul 2025438 PMAQI
21st Jul 2025459 PMAQI
21st Jul 20254510 PMAQI
21st Jul 20254311 PMAQI
22nd Jul 20254212 AMAQI
22nd Jul 2025421 AMAQI
22nd Jul 2025412 AMAQI
22nd Jul 2025413 AMAQI
31°C24/38°C
22nd Jul 2025424 AMAQI
22nd Jul 2025435 AMAQI
22nd Jul 2025436 AMAQI
22nd Jul 2025437 AMAQI
22nd Jul 2025428 AMAQI
22nd Jul 2025469 AMAQI
22nd Jul 20255010 AMAQI
22nd Jul 20255411 AMAQI
22nd Jul 20255412 PMAQI
22nd Jul 2025561 PMAQI
22nd Jul 2025562 PMAQI
22nd Jul 2025543 PMAQI
22nd Jul 2025544 PMAQI
22nd Jul 2025535 PMAQI
22nd Jul 2025526 PMAQI
22nd Jul 2025517 PMAQI
22nd Jul 2025498 PMAQI
22nd Jul 2025469 PMAQI
22nd Jul 20254610 PMAQI
22nd Jul 20254511 PMAQI
23rd Jul 20254512 AMAQI
23rd Jul 2025431 AMAQI
23rd Jul 2025422 AMAQI
23rd Jul 2025423 AMAQI
31°C26/37°C
23rd Jul 2025434 AMAQI
23rd Jul 2025455 AMAQI
23rd Jul 2025446 AMAQI
23rd Jul 2025457 AMAQI
23rd Jul 2025448 AMAQI
23rd Jul 2025539 AMAQI
23rd Jul 20255610 AMAQI
23rd Jul 20255911 AMAQI
23rd Jul 20255812 PMAQI
23rd Jul 2025581 PMAQI
23rd Jul 2025612 PMAQI
23rd Jul 2025613 PMAQI
23rd Jul 2025584 PMAQI
23rd Jul 2025575 PMAQI
23rd Jul 2025556 PMAQI
23rd Jul 2025557 PMAQI
23rd Jul 2025518 PMAQI
23rd Jul 2025479 PMAQI
23rd Jul 20254510 PMAQI
23rd Jul 20254611 PMAQI
24th Jul 20254612 AMAQI
24th Jul 2025451 AMAQI
24th Jul 2025432 AMAQI
24th Jul 2025433 AMAQI
30°C23/37°C
24th Jul 2025454 AMAQI
24th Jul 2025475 AMAQI
24th Jul 2025486 AMAQI
24th Jul 2025487 AMAQI
24th Jul 2025478 AMAQI
24th Jul 2025549 AMAQI
24th Jul 20255610 AMAQI
24th Jul 20255611 AMAQI
24th Jul 20255812 PMAQI
24th Jul 2025601 PMAQI
24th Jul 2025602 PMAQI
24th Jul 2025593 PMAQI
24th Jul 2025584 PMAQI
24th Jul 2025575 PMAQI
24th Jul 2025516 PMAQI
24th Jul 2025527 PMAQI
24th Jul 2025518 PMAQI
24th Jul 2025509 PMAQI
24th Jul 20255010 PMAQI
24th Jul 20255011 PMAQI
25th Jul 20255112 AMAQI
25th Jul 2025491 AMAQI
25th Jul 2025472 AMAQI
25th Jul 2025463 AMAQI
30°C24/37°C
25th Jul 2025484 AMAQI
25th Jul 2025505 AMAQI
25th Jul 2025506 AMAQI
25th Jul 2025507 AMAQI
25th Jul 2025508 AMAQI
25th Jul 2025569 AMAQI
25th Jul 20255810 AMAQI
25th Jul 20256111 AMAQI
25th Jul 20256112 PMAQI
25th Jul 2025641 PMAQI
25th Jul 2025642 PMAQI
25th Jul 2025623 PMAQI
25th Jul 2025604 PMAQI
25th Jul 2025525 PMAQI
25th Jul 2025476 PMAQI
25th Jul 2025477 PMAQI
25th Jul 2025498 PMAQI
25th Jul 2025489 PMAQI
25th Jul 20254710 PMAQI
25th Jul 20254811 PMAQI
26th Jul 20254912 AMAQI
26th Jul 2025481 AMAQI
26th Jul 2025482 AMAQI
26th Jul 2025483 AMAQI
30°C24/38°C
26th Jul 2025504 AMAQI
26th Jul 2025515 AMAQI
26th Jul 2025526 AMAQI
26th Jul 2025517 AMAQI
26th Jul 2025528 AMAQI
26th Jul 2025559 AMAQI
26th Jul 20255710 AMAQI
26th Jul 20255811 AMAQI
26th Jul 20256012 PMAQI
26th Jul 2025591 PMAQI
26th Jul 2025622 PMAQI
26th Jul 2025593 PMAQI
26th Jul 2025584 PMAQI
26th Jul 2025545 PMAQI
26th Jul 2025516 PMAQI
26th Jul 2025467 PMAQI
26th Jul 2025468 PMAQI
26th Jul 2025489 PMAQI
26th Jul 20254710 PMAQI
26th Jul 20254611 PMAQI
27th Jul 20254912 AMAQI
27th Jul 2025491 AMAQI
27th Jul 2025512 AMAQI
27th Jul 2025503 AMAQI
31°C25/38°C
27th Jul 2025514 AMAQI
27th Jul 2025525 AMAQI
27th Jul 2025526 AMAQI
27th Jul 2025527 AMAQI
27th Jul 2025528 AMAQI
27th Jul 2025519 AMAQI
27th Jul 20255210 AMAQI
27th Jul 20255111 AMAQI
27th Jul 20255212 PMAQI
27th Jul 2025531 PMAQI
27th Jul 2025522 PMAQI
27th Jul 2025523 PMAQI
27th Jul 2025524 PMAQI
27th Jul 2025555 PMAQI
27th Jul 2025476 PMAQI
27th Jul 2025387 PMAQI
27th Jul 2025408 PMAQI
27th Jul 2025449 PMAQI
27th Jul 20254210 PMAQI
27th Jul 20254011 PMAQI
28th Jul 20254012 AMAQI
28th Jul 2025451 AMAQI
28th Jul 2025502 AMAQI
28th Jul 2025493 AMAQI
31°C25/37°C
28th Jul 2025494 AMAQI
28th Jul 2025515 AMAQI
28th Jul 2025516 AMAQI
28th Jul 2025517 AMAQI
28th Jul 2025528 AMAQI
28th Jul 2025499 AMAQI
28th Jul 20255110 AMAQI
28th Jul 20255211 AMAQI
28th Jul 20255112 PMAQI
28th Jul 2025521 PMAQI
28th Jul 2025522 PMAQI
28th Jul 2025513 PMAQI
28th Jul 2025514 PMAQI
28th Jul 2025515 PMAQI
28th Jul 2025546 PMAQI
28th Jul 2025547 PMAQI
28th Jul 2025538 PMAQI
28th Jul 2025509 PMAQI
28th Jul 20254910 PMAQI
28th Jul 20254911 PMAQI
29th Jul 20255012 AMAQI
29th Jul 2025481 AMAQI
29th Jul 2025472 AMAQI
29th Jul 2025463 AMAQI
31°C25/37°C
29th Jul 2025474 AMAQI
29th Jul 2025495 AMAQI
29th Jul 2025496 AMAQI
29th Jul 2025497 AMAQI
29th Jul 2025508 AMAQI
29th Jul 2025549 AMAQI
29th Jul 20255710 AMAQI
29th Jul 20255711 AMAQI
29th Jul 20255812 PMAQI
29th Jul 2025571 PMAQI
29th Jul 2025532 PMAQI
29th Jul 2025533 PMAQI
29th Jul 2025534 PMAQI
29th Jul 2025515 PMAQI
29th Jul 2025536 PMAQI
29th Jul 2025517 PMAQI
29th Jul 2025468 PMAQI
29th Jul 2025439 PMAQI
29th Jul 20254010 PMAQI
29th Jul 20253811 PMAQI
30th Jul 20253712 AMAQI
30th Jul 2025411 AMAQI
30th Jul 2025482 AMAQI
30th Jul 2025483 AMAQI
32°C27/37°C
30th Jul 2025484 AMAQI
30th Jul 2025505 AMAQI
30th Jul 2025506 AMAQI
30th Jul 2025497 AMAQI
30th Jul 2025498 AMAQI
30th Jul 2025299 AMAQI
30th Jul 20252410 AMAQI
30th Jul 20253111 AMAQI
30th Jul 20253512 PMAQI
30th Jul 2025351 PMAQI
30th Jul 2025322 PMAQI
30th Jul 2025323 PMAQI
30th Jul 2025344 PMAQI
30th Jul 2025365 PMAQI
30th Jul 2025366 PMAQI
30th Jul 2025367 PMAQI
30th Jul 2025388 PMAQI
30th Jul 2025419 PMAQI
30th Jul 20254010 PMAQI
30th Jul 20254111 PMAQI
31st Jul 20254012 AMAQI
31st Jul 2025431 AMAQI
31st Jul 2025462 AMAQI
31st Jul 2025473 AMAQI
30°C24/37°C
31st Jul 2025474 AMAQI
31st Jul 2025485 AMAQI
31st Jul 2025486 AMAQI
31st Jul 2025487 AMAQI
31st Jul 2025488 AMAQI
31st Jul 2025489 AMAQI
31st Jul 20254810 AMAQI
31st Jul 20254611 AMAQI
31st Jul 20254612 PMAQI
31st Jul 2025461 PMAQI
31st Jul 2025432 PMAQI
31st Jul 2025423 PMAQI
31st Jul 2025444 PMAQI
31st Jul 2025395 PMAQI
31st Jul 2025386 PMAQI
31st Jul 2025327 PMAQI
31st Jul 2025328 PMAQI
31st Jul 2025319 PMAQI
31st Jul 20253310 PMAQI
31st Jul 20252811 PMAQI
1st Aug 20253112 AMAQI
1st Aug 2025351 AMAQI
1st Aug 2025352 AMAQI
1st Aug 2025383 AMAQI
28°C23/35°C
1st Aug 2025384 AMAQI
1st Aug 2025375 AMAQI
1st Aug 2025376 AMAQI
1st Aug 2025377 AMAQI
1st Aug 2025378 AMAQI
1st Aug 2025379 AMAQI
1st Aug 20253010 AMAQI
1st Aug 20254411 AMAQI
1st Aug 20254912 PMAQI
1st Aug 2025411 PMAQI
1st Aug 2025362 PMAQI
1st Aug 2025313 PMAQI
1st Aug 2025484 PMAQI
1st Aug 2025385 PMAQI
1st Aug 2025426 PMAQI
1st Aug 2025297 PMAQI
1st Aug 2025308 PMAQI
1st Aug 2025329 PMAQI
1st Aug 20253410 PMAQI
1st Aug 20253011 PMAQI
2nd Aug 20253012 AMAQI
2nd Aug 2025341 AMAQI
2nd Aug 2025382 AMAQI
2nd Aug 2025403 AMAQI
27°C23/32°C
2nd Aug 2025404 AMAQI
2nd Aug 2025395 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025408 AMAQI
2nd Aug 2025449 AMAQI
2nd Aug 20254010 AMAQI
2nd Aug 20254111 AMAQI
2nd Aug 20253412 PMAQI
2nd Aug 2025431 PMAQI
2nd Aug 2025532 PMAQI
2nd Aug 2025533 PMAQI
2nd Aug 2025454 PMAQI
2nd Aug 2025525 PMAQI
2nd Aug 2025546 PMAQI
2nd Aug 2025517 PMAQI
2nd Aug 2025428 PMAQI
2nd Aug 2025389 PMAQI
2nd Aug 20253510 PMAQI
2nd Aug 20254311 PMAQI
3rd Aug 20253212 AMAQI
3rd Aug 2025351 AMAQI
3rd Aug 2025382 AMAQI
3rd Aug 2025383 AMAQI
30°C23/39°C
3rd Aug 2025404 AMAQI
3rd Aug 2025405 AMAQI
3rd Aug 2025396 AMAQI
3rd Aug 2025397 AMAQI
3rd Aug 2025398 AMAQI
3rd Aug 2025429 AMAQI
3rd Aug 20255210 AMAQI
3rd Aug 20255211 AMAQI
3rd Aug 20255812 PMAQI
3rd Aug 2025521 PMAQI
3rd Aug 2025562 PMAQI
3rd Aug 2025503 PMAQI
3rd Aug 2025484 PMAQI
3rd Aug 2025525 PMAQI
3rd Aug 2025546 PMAQI
3rd Aug 2025537 PMAQI
3rd Aug 2025518 PMAQI
3rd Aug 2025419 PMAQI
3rd Aug 20254010 PMAQI
3rd Aug 20254111 PMAQI
4th Aug 20253712 AMAQI
4th Aug 2025371 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025393 AMAQI
31°C25/37°C
4th Aug 2025424 AMAQI
4th Aug 2025425 AMAQI
4th Aug 2025426 AMAQI
4th Aug 2025437 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025489 AMAQI
4th Aug 20255610 AMAQI
4th Aug 20256611 AMAQI
4th Aug 20256912 PMAQI
4th Aug 2025691 PMAQI
4th Aug 2025802 PMAQI
4th Aug 2025743 PMAQI
4th Aug 2025824 PMAQI
4th Aug 2025855 PMAQI
4th Aug 2025756 PMAQI
4th Aug 2025707 PMAQI
4th Aug 2025638 PMAQI
4th Aug 2025599 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20254911 PMAQI
5th Aug 20255212 AMAQI
5th Aug 2025421 AMAQI
5th Aug 2025412 AMAQI
5th Aug 2025403 AMAQI
32°C26/38°C
5th Aug 2025494 AMAQI
5th Aug 2025525 AMAQI
5th Aug 2025526 AMAQI
5th Aug 2025517 AMAQI
5th Aug 2025528 AMAQI
5th Aug 2025579 AMAQI
5th Aug 20256010 AMAQI
5th Aug 20255811 AMAQI
5th Aug 20256112 PMAQI
5th Aug 2025551 PMAQI
5th Aug 2025532 PMAQI
5th Aug 2025563 PMAQI
5th Aug 2025574 PMAQI
5th Aug 2025525 PMAQI
5th Aug 2025516 PMAQI
5th Aug 2025467 PMAQI
5th Aug 2025488 PMAQI
5th Aug 2025469 PMAQI
5th Aug 20254710 PMAQI
5th Aug 20254111 PMAQI
6th Aug 20254412 AMAQI
6th Aug 2025511 AMAQI
6th Aug 2025512 AMAQI
6th Aug 2025503 AMAQI
32°C25/39°C
6th Aug 2025524 AMAQI
6th Aug 2025525 AMAQI
6th Aug 2025526 AMAQI
6th Aug 2025527 AMAQI
6th Aug 2025528 AMAQI
6th Aug 2025379 AMAQI
6th Aug 20253910 AMAQI
6th Aug 20253511 AMAQI
6th Aug 20254612 PMAQI
6th Aug 2025451 PMAQI
6th Aug 2025512 PMAQI
6th Aug 2025503 PMAQI
6th Aug 2025424 PMAQI
6th Aug 2025495 PMAQI
6th Aug 2025436 PMAQI
6th Aug 2025527 PMAQI
6th Aug 2025528 PMAQI
6th Aug 2025489 PMAQI
6th Aug 20254810 PMAQI
6th Aug 20254611 PMAQI
7th Aug 20254412 AMAQI
7th Aug 2025491 AMAQI
7th Aug 2025502 AMAQI
7th Aug 2025503 AMAQI
30°C25/36°C
7th Aug 2025494 AMAQI
4 AM7th Aug 2025485 AMAQI
7th Aug 2025486 AMAQI
7th Aug 2025457 AMAQI
7th Aug 2025468 AMAQI
7th Aug 2025379 AMAQI
7th Aug 20253710 AMAQI
7th Aug 20254011 AMAQI
11 AM7th Aug 20253412 PMAQI
7th Aug 2025261 PMAQI
7th Aug 2025262 PMAQI
7th Aug 2025233 PMAQI
7th Aug 2025264 PMAQI
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 6 PM
49AQI
15 hours / Day
450 hours / Month
Avg. Lowest Time
9 AM - 6 PM
49AQI
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. 49), while the lowest AQI was between 9 AM to 6 PM (Avg. 49).
Night time
Avg. Highest Time
12 AM - 11 PM
47AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
47AQI
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. 47), while the lowest AQI was between 12 AM to 11 PM (Avg. 47).
2025 Days Vs Air Quality
Honjo, Saitama, Japan
2025
82%
179
18%
38
Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)
Good
179 DaysModerate
38 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 82%
Health Risk Level:
Low
In 2025, 82% of 219 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
Honjo, 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
28AQI
28AQI
3rd January 2025
26AQI
26AQI
4th January 2025
27AQI
27AQI
5th January 2025
30AQI
30AQI
6th January 2025
48AQI
48AQI
7th January 2025
31AQI
31AQI
8th January 2025
35AQI
35AQI
9th January 2025
28AQI
28AQI
10th January 2025
27AQI
27AQI
11th January 2025
26AQI
26AQI
12th January 2025
33AQI
33AQI
13th January 2025
29AQI
29AQI
14th January 2025
30AQI
30AQI
15th January 2025
30AQI
30AQI
16th January 2025
28AQI
28AQI
17th January 2025
28AQI
28AQI
18th January 2025
30AQI
30AQI
19th January 2025
39AQI
39AQI
20th January 2025
38AQI
38AQI
21st January 2025
40AQI
40AQI
22nd January 2025
35AQI
35AQI
23rd January 2025
43AQI
43AQI
24th January 2025
45AQI
45AQI
25th January 2025
36AQI
36AQI
26th January 2025
37AQI
37AQI
27th January 2025
33AQI
33AQI
28th January 2025
39AQI
39AQI
29th January 2025
32AQI
32AQI
30th January 2025
33AQI
33AQI
31st January 2025
30AQI
30AQI
1st February 2025
38AQI
38AQI
2nd February 2025
47AQI
47AQI
3rd February 2025
42AQI
42AQI
4th February 2025
37AQI
37AQI
5th February 2025
35AQI
35AQI
6th February 2025
30AQI
30AQI
7th February 2025
31AQI
31AQI
8th February 2025
30AQI
30AQI
9th February 2025
30AQI
30AQI
10th February 2025
30AQI
30AQI
11th February 2025
33AQI
33AQI
12th February 2025
34AQI
34AQI
13th February 2025
34AQI
34AQI
14th February 2025
32AQI
32AQI
15th February 2025
32AQI
32AQI
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
33AQI
33AQI
22nd February 2025
34AQI
34AQI
23rd February 2025
33AQI
33AQI
24th February 2025
33AQI
33AQI
25th February 2025
35AQI
35AQI
26th February 2025
38AQI
38AQI
27th February 2025
44AQI
44AQI
28th February 2025
50AQI
50AQI
1st March 2025
52AQI
52AQI
2nd March 2025
53AQI
53AQI
3rd March 2025
40AQI
40AQI
4th March 2025
38AQI
38AQI
5th March 2025
27AQI
27AQI
6th March 2025
34AQI
34AQI
7th March 2025
32AQI
32AQI
8th March 2025
38AQI
38AQI
9th March 2025
36AQI
36AQI
10th March 2025
38AQI
38AQI
11th March 2025
46AQI
46AQI
12th March 2025
48AQI
48AQI
13th March 2025
52AQI
52AQI
14th March 2025
43AQI
43AQI
15th March 2025
42AQI
42AQI
16th March 2025
26AQI
26AQI
17th March 2025
23AQI
23AQI
18th March 2025
26AQI
26AQI
19th March 2025
19AQI
19AQI
20th March 2025
26AQI
26AQI
21st March 2025
37AQI
37AQI
22nd March 2025
47AQI
47AQI
23rd March 2025
56AQI
56AQI
24th March 2025
60AQI
60AQI
25th March 2025
74AQI
74AQI
26th March 2025
74AQI
74AQI
27th March 2025
73AQI
73AQI
28th March 2025
57AQI
57AQI
29th March 2025
37AQI
37AQI
30th March 2025
37AQI
37AQI
31st March 2025
33AQI
33AQI
1st April 2025
31AQI
31AQI
2nd April 2025
21AQI
21AQI
3rd April 2025
23AQI
23AQI
4th April 2025
19AQI
19AQI
5th April 2025
32AQI
32AQI
6th April 2025
27AQI
27AQI
7th April 2025
33AQI
33AQI
8th April 2025
42AQI
42AQI
9th April 2025
29AQI
29AQI
10th April 2025
48AQI
48AQI
11th April 2025
43AQI
43AQI
12th April 2025
45AQI
45AQI
13th April 2025
29AQI
29AQI
14th April 2025
28AQI
28AQI
15th April 2025
25AQI
25AQI
16th April 2025
26AQI
26AQI
17th April 2025
45AQI
45AQI
18th April 2025
55AQI
55AQI
19th April 2025
68AQI
68AQI
20th April 2025
65AQI
65AQI
21st April 2025
44AQI
44AQI
22nd April 2025
56AQI
56AQI
23rd April 2025
36AQI
36AQI
24th April 2025
43AQI
43AQI
25th April 2025
45AQI
45AQI
26th April 2025
51AQI
51AQI
27th April 2025
50AQI
50AQI
28th April 2025
56AQI
56AQI
29th April 2025
40AQI
40AQI
30th April 2025
49AQI
49AQI
1st May 2025
47AQI
47AQI
2nd May 2025
33AQI
33AQI
3rd May 2025
33AQI
33AQI
4th May 2025
37AQI
37AQI
5th May 2025
36AQI
36AQI
6th May 2025
32AQI
32AQI
7th May 2025
26AQI
26AQI
8th May 2025
34AQI
34AQI
9th May 2025
35AQI
35AQI
10th May 2025
24AQI
24AQI
11th May 2025
22AQI
22AQI
12th May 2025
24AQI
24AQI
13th May 2025
36AQI
36AQI
14th May 2025
44AQI
44AQI
15th May 2025
46AQI
46AQI
16th May 2025
51AQI
51AQI
17th May 2025
35AQI
35AQI
18th May 2025
46AQI
46AQI
19th May 2025
46AQI
46AQI
20th May 2025
57AQI
57AQI
21st May 2025
68AQI
68AQI
22nd May 2025
60AQI
60AQI
23rd May 2025
53AQI
53AQI
24th May 2025
49AQI
49AQI
25th May 2025
32AQI
32AQI
26th May 2025
33AQI
33AQI
27th May 2025
33AQI
33AQI
28th May 2025
31AQI
31AQI
29th May 2025
39AQI
39AQI
30th May 2025
30AQI
30AQI
31st May 2025
25AQI
25AQI
1st June 2025
22AQI
22AQI
2nd June 2025
37AQI
37AQI
3rd June 2025
34AQI
34AQI
4th June 2025
30AQI
30AQI
5th June 2025
38AQI
38AQI
6th June 2025
47AQI
47AQI
7th June 2025
53AQI
53AQI
8th June 2025
64AQI
64AQI
9th June 2025
58AQI
58AQI
10th June 2025
45AQI
45AQI
11th June 2025
35AQI
35AQI
12th June 2025
40AQI
40AQI
13th June 2025
48AQI
48AQI
14th June 2025
44AQI
44AQI
15th June 2025
31AQI
31AQI
16th June 2025
39AQI
39AQI
17th June 2025
48AQI
48AQI
18th June 2025
44AQI
44AQI
19th June 2025
47AQI
47AQI
20th June 2025
47AQI
47AQI
21st June 2025
45AQI
45AQI
22nd June 2025
39AQI
39AQI
23rd June 2025
39AQI
39AQI
24th June 2025
37AQI
37AQI
25th June 2025
35AQI
35AQI
26th June 2025
34AQI
34AQI
27th June 2025
37AQI
37AQI
28th June 2025
38AQI
38AQI
29th June 2025
44AQI
44AQI
30th June 2025
48AQI
48AQI
1st July 2025
50AQI
50AQI
2nd July 2025
48AQI
48AQI
3rd July 2025
51AQI
51AQI
4th July 2025
51AQI
51AQI
5th July 2025
53AQI
53AQI
6th July 2025
55AQI
55AQI
7th July 2025
70AQI
70AQI
8th July 2025
74AQI
74AQI
9th July 2025
74AQI
74AQI
10th July 2025
63AQI
63AQI
11th July 2025
51AQI
51AQI
12th July 2025
53AQI
53AQI
13th July 2025
53AQI
53AQI
14th July 2025
44AQI
44AQI
15th July 2025
42AQI
42AQI
16th July 2025
44AQI
44AQI
17th July 2025
40AQI
40AQI
18th July 2025
41AQI
41AQI
19th July 2025
39AQI
39AQI
20th July 2025
41AQI
41AQI
21st July 2025
45AQI
45AQI
22nd July 2025
47AQI
47AQI
23rd July 2025
50AQI
50AQI
24th July 2025
51AQI
51AQI
25th July 2025
51AQI
51AQI
26th July 2025
52AQI
52AQI
27th July 2025
49AQI
49AQI
28th July 2025
50AQI
50AQI
29th July 2025
49AQI
49AQI
30th July 2025
40AQI
40AQI
31st July 2025
41AQI
41AQI
1st August 2025
36AQI
36AQI
2nd August 2025
41AQI
41AQI
3rd August 2025
44AQI
44AQI
4th August 2025
55AQI
55AQI
5th August 2025
50AQI
50AQI
33AQI
35AQI
43AQI
40AQI
39AQI
42AQI
50AQI
45AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202540AQI
31
28
22
9
24
6
26
5
27
3
17
14
4
1
179
38
Highest AQI recorded in
July50AQI
Lowest AQI recorded in
January33AQI
202439AQI
29
2
28
1
26
5
15
15
25
6
22
8
20
11
28
3
28
2
30
1
28
2
31
310
56
Highest AQI recorded in
April52AQI
Lowest AQI recorded in
December29AQI
202344AQI
28
3
22
6
16
15
13
17
20
11
18
12
13
18
25
6
27
3
28
3
20
9
27
4
257
107
Highest AQI recorded in
April54AQI
Lowest AQI recorded in
January36AQI
202240AQI
29
2
19
2
19
12
17
13
22
9
16
14
18
7
3
27
2
27
4
23
7
31
251
72
Highest AQI recorded in
June50AQI
Lowest AQI recorded in
December29AQI
202139AQI
23
8
23
5
22
8
1
23
7
24
7
23
7
26
5
26
5
26
4
27
4
27
3
30
1
300
64
1
Highest AQI recorded in
March47AQI
Lowest AQI recorded in
December33AQI
202038AQI
11
2
17
4
17
1
18
12
31
11
20
18
1
27
4
19
11
27
4
196
59
Highest AQI recorded in
August55AQI
Lowest AQI recorded in
September28AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
44AQILeast Polluted Year Recorded
2020(Avg.)
38AQIHonjo's annual 2025 AQI (40) shows an average percentage change of 0.7% (worsened AQI) compared to previous years: 2020 (38), 2021 (39), 2022 (40), 2023 (44), 2024 (39).
