Shiroishi, Chichibu, 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
Shiroishi, Chichibu, Saitama, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Aug 2024
65AQILowest AQI recorded on
30th Aug 2024
7AQISame Day Analysis (7th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 44 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 7th Aug - 8th Aug 2025
Shiroishi, Chichibu, Saitama, Japan
AQI
Day
Night
.
4 AM7th Aug 2025
6 PM
3 AM8th Aug 2025
Day time
Avg. Highest Time
4AM7th Aug
48AQI
Avg. Lowest Time
3PM7th Aug
19AQI
Night time
Avg. Highest Time
2AM8th Aug
48AQI
Avg. Lowest Time
7PM7th Aug
30AQI
In the last 24 hours,
Shiroishi's AQI reached its highest point of 48 at 4 AM during the Day, while the lowest point, 19, was recorded at 3 PM during the Day between 7th Aug and 8th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Shiroishi, Chichibu, Saitama, Japan
JulAug
09th - 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 - 08th08th
Day
Night
9th Jul 2025644 AMAQI
9th Jul 2025685 AMAQI
9th Jul 2025696 AMAQI
9th Jul 2025687 AMAQI
9th Jul 2025688 AMAQI
9th Jul 2025739 AMAQI
9th Jul 20258110 AMAQI
9th Jul 20258011 AMAQI
9th Jul 20257712 PMAQI
9th Jul 2025781 PMAQI
9th Jul 2025782 PMAQI
9th Jul 2025923 PMAQI
9th Jul 2025984 PMAQI
9th Jul 20251005 PMAQI
9th Jul 20251026 PMAQI
9th Jul 2025927 PMAQI
9th Jul 2025868 PMAQI
9th Jul 2025789 PMAQI
9th Jul 20257510 PMAQI
9th Jul 20257211 PMAQI
10th Jul 20257112 AMAQI
10th Jul 2025701 AMAQI
10th Jul 2025672 AMAQI
10th Jul 2025663 AMAQI
29°C25/35°C
10th Jul 2025684 AMAQI
10th Jul 2025695 AMAQI
10th Jul 2025686 AMAQI
10th Jul 2025697 AMAQI
10th Jul 2025698 AMAQI
10th Jul 2025719 AMAQI
10th Jul 20257610 AMAQI
10th Jul 20257411 AMAQI
10th Jul 20257612 PMAQI
10th Jul 2025721 PMAQI
10th Jul 2025702 PMAQI
10th Jul 2025773 PMAQI
10th Jul 2025674 PMAQI
10th Jul 2025565 PMAQI
10th Jul 2025366 PMAQI
10th Jul 2025267 PMAQI
10th Jul 2025408 PMAQI
10th Jul 2025559 PMAQI
10th Jul 20255510 PMAQI
10th Jul 20255411 PMAQI
11th Jul 20255412 AMAQI
11th Jul 2025601 AMAQI
11th Jul 2025642 AMAQI
11th Jul 2025673 AMAQI
28°C23/33°C
11th Jul 2025724 AMAQI
11th Jul 2025705 AMAQI
11th Jul 2025696 AMAQI
11th Jul 2025697 AMAQI
11th Jul 2025698 AMAQI
11th Jul 2025319 AMAQI
11th Jul 20251510 AMAQI
11th Jul 20251611 AMAQI
11th Jul 20251612 PMAQI
11th Jul 2025221 PMAQI
11th Jul 2025222 PMAQI
11th Jul 2025253 PMAQI
11th Jul 2025224 PMAQI
11th Jul 2025245 PMAQI
11th Jul 2025326 PMAQI
11th Jul 2025237 PMAQI
11th Jul 2025358 PMAQI
11th Jul 2025529 PMAQI
11th Jul 20255210 PMAQI
11th Jul 20255211 PMAQI
12th Jul 20255212 AMAQI
12th Jul 2025571 AMAQI
12th Jul 2025662 AMAQI
12th Jul 2025663 AMAQI
22°C20/22°C
12th Jul 2025634 AMAQI
12th Jul 2025595 AMAQI
12th Jul 2025586 AMAQI
12th Jul 2025587 AMAQI
12th Jul 2025588 AMAQI
12th Jul 2025319 AMAQI
12th Jul 20252310 AMAQI
12th Jul 20252411 AMAQI
12th Jul 20252512 PMAQI
12th Jul 2025301 PMAQI
12th Jul 2025322 PMAQI
12th Jul 2025323 PMAQI
12th Jul 2025344 PMAQI
12th Jul 2025375 PMAQI
12th Jul 2025406 PMAQI
12th Jul 2025437 PMAQI
12th Jul 2025498 PMAQI
12th Jul 2025529 PMAQI
12th Jul 20255010 PMAQI
12th Jul 20255011 PMAQI
13th Jul 20254812 AMAQI
13th Jul 2025541 AMAQI
13th Jul 2025602 AMAQI
13th Jul 2025603 AMAQI
23°C20/28°C
13th Jul 2025584 AMAQI
13th Jul 2025575 AMAQI
13th Jul 2025576 AMAQI
13th Jul 2025577 AMAQI
13th Jul 2025578 AMAQI
13th Jul 2025419 AMAQI
13th Jul 20252610 AMAQI
13th Jul 20253611 AMAQI
13th Jul 20254012 PMAQI
13th Jul 2025411 PMAQI
13th Jul 2025362 PMAQI
13th Jul 2025463 PMAQI
13th Jul 2025474 PMAQI
13th Jul 2025455 PMAQI
13th Jul 2025466 PMAQI
13th Jul 2025507 PMAQI
13th Jul 2025508 PMAQI
13th Jul 2025509 PMAQI
13th Jul 20255010 PMAQI
13th Jul 20254811 PMAQI
14th Jul 20254812 AMAQI
14th Jul 2025521 AMAQI
14th Jul 2025562 AMAQI
14th Jul 2025573 AMAQI
26°C22/30°C
14th Jul 2025564 AMAQI
14th Jul 2025545 AMAQI
14th Jul 2025546 AMAQI
14th Jul 2025547 AMAQI
14th Jul 2025548 AMAQI
14th Jul 2025289 AMAQI
14th Jul 20252110 AMAQI
14th Jul 20251611 AMAQI
14th Jul 20251712 PMAQI
14th Jul 2025241 PMAQI
14th Jul 2025232 PMAQI
14th Jul 2025243 PMAQI
14th Jul 2025224 PMAQI
14th Jul 2025255 PMAQI
14th Jul 2025256 PMAQI
14th Jul 2025277 PMAQI
14th Jul 2025308 PMAQI
14th Jul 2025419 PMAQI
14th Jul 20254310 PMAQI
14th Jul 20253811 PMAQI
15th Jul 20253912 AMAQI
15th Jul 2025481 AMAQI
15th Jul 2025542 AMAQI
15th Jul 2025553 AMAQI
25°C23/28°C
15th Jul 2025534 AMAQI
15th Jul 2025525 AMAQI
15th Jul 2025526 AMAQI
15th Jul 2025527 AMAQI
15th Jul 2025528 AMAQI
15th Jul 2025239 AMAQI
15th Jul 20251310 AMAQI
15th Jul 20251511 AMAQI
15th Jul 20251612 PMAQI
15th Jul 2025191 PMAQI
15th Jul 2025192 PMAQI
15th Jul 2025183 PMAQI
15th Jul 2025184 PMAQI
15th Jul 2025225 PMAQI
15th Jul 2025186 PMAQI
15th Jul 2025167 PMAQI
15th Jul 2025228 PMAQI
15th Jul 2025349 PMAQI
15th Jul 20253610 PMAQI
15th Jul 20253411 PMAQI
16th Jul 20253512 AMAQI
16th Jul 2025441 AMAQI
16th Jul 2025522 AMAQI
16th Jul 2025523 AMAQI
27°C24/33°C
16th Jul 2025514 AMAQI
16th Jul 2025485 AMAQI
16th Jul 2025466 AMAQI
16th Jul 2025467 AMAQI
16th Jul 2025478 AMAQI
16th Jul 2025329 AMAQI
16th Jul 20253110 AMAQI
16th Jul 20254011 AMAQI
16th Jul 20254212 PMAQI
16th Jul 2025351 PMAQI
16th Jul 2025402 PMAQI
16th Jul 2025373 PMAQI
16th Jul 2025404 PMAQI
16th Jul 2025425 PMAQI
16th Jul 2025296 PMAQI
16th Jul 2025197 PMAQI
16th Jul 2025268 PMAQI
16th Jul 2025339 PMAQI
16th Jul 20253410 PMAQI
16th Jul 20253311 PMAQI
17th Jul 20253212 AMAQI
17th Jul 2025401 AMAQI
17th Jul 2025492 AMAQI
17th Jul 2025493 AMAQI
28°C24/34°C
17th Jul 2025464 AMAQI
17th Jul 2025475 AMAQI
17th Jul 2025466 AMAQI
17th Jul 2025477 AMAQI
17th Jul 2025468 AMAQI
17th Jul 2025219 AMAQI
17th Jul 20251510 AMAQI
17th Jul 20251511 AMAQI
17th Jul 20251612 PMAQI
17th Jul 2025241 PMAQI
17th Jul 2025242 PMAQI
17th Jul 2025233 PMAQI
17th Jul 2025254 PMAQI
17th Jul 2025315 PMAQI
17th Jul 2025396 PMAQI
17th Jul 2025377 PMAQI
17th Jul 2025318 PMAQI
17th Jul 2025359 PMAQI
17th Jul 20253510 PMAQI
17th Jul 20254011 PMAQI
18th Jul 20254012 AMAQI
18th Jul 2025441 AMAQI
18th Jul 2025462 AMAQI
18th Jul 2025463 AMAQI
27°C24/32°C
18th Jul 2025444 AMAQI
18th Jul 2025415 AMAQI
18th Jul 2025406 AMAQI
18th Jul 2025407 AMAQI
18th Jul 2025408 AMAQI
18th Jul 2025269 AMAQI
18th Jul 20252410 AMAQI
18th Jul 20252811 AMAQI
18th Jul 20252612 PMAQI
18th Jul 2025271 PMAQI
18th Jul 2025282 PMAQI
18th Jul 2025323 PMAQI
18th Jul 2025294 PMAQI
18th Jul 2025345 PMAQI
18th Jul 2025306 PMAQI
18th Jul 2025357 PMAQI
18th Jul 2025358 PMAQI
18th Jul 2025389 PMAQI
18th Jul 20253610 PMAQI
18th Jul 20253611 PMAQI
19th Jul 20253712 AMAQI
19th Jul 2025401 AMAQI
19th Jul 2025432 AMAQI
19th Jul 2025443 AMAQI
27°C23/34°C
19th Jul 2025424 AMAQI
19th Jul 2025415 AMAQI
19th Jul 2025416 AMAQI
19th Jul 2025417 AMAQI
19th Jul 2025408 AMAQI
19th Jul 2025269 AMAQI
19th Jul 20252310 AMAQI
19th Jul 20252611 AMAQI
19th Jul 20252812 PMAQI
19th Jul 2025221 PMAQI
19th Jul 2025212 PMAQI
19th Jul 2025223 PMAQI
19th Jul 2025324 PMAQI
19th Jul 2025345 PMAQI
19th Jul 2025336 PMAQI
19th Jul 2025327 PMAQI
19th Jul 2025318 PMAQI
19th Jul 2025389 PMAQI
19th Jul 20253710 PMAQI
19th Jul 20253611 PMAQI
20th Jul 20253612 AMAQI
20th Jul 2025381 AMAQI
20th Jul 2025422 AMAQI
20th Jul 2025423 AMAQI
28°C23/34°C
20th Jul 2025404 AMAQI
20th Jul 2025395 AMAQI
20th Jul 2025396 AMAQI
20th Jul 2025397 AMAQI
20th Jul 2025398 AMAQI
20th Jul 2025309 AMAQI
20th Jul 20252410 AMAQI
20th Jul 20252611 AMAQI
20th Jul 20252812 PMAQI
20th Jul 2025261 PMAQI
20th Jul 2025252 PMAQI
20th Jul 2025343 PMAQI
20th Jul 2025374 PMAQI
20th Jul 2025405 PMAQI
20th Jul 2025486 PMAQI
20th Jul 2025517 PMAQI
20th Jul 2025428 PMAQI
20th Jul 2025379 PMAQI
20th Jul 20253710 PMAQI
20th Jul 20253811 PMAQI
21st Jul 20253812 AMAQI
21st Jul 2025391 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025403 AMAQI
29°C23/36°C
21st Jul 2025394 AMAQI
21st Jul 2025385 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025387 AMAQI
21st Jul 2025388 AMAQI
21st Jul 2025339 AMAQI
21st Jul 20254310 AMAQI
21st Jul 20253811 AMAQI
21st Jul 20254212 PMAQI
21st Jul 2025461 PMAQI
21st Jul 2025412 PMAQI
21st Jul 2025463 PMAQI
21st Jul 2025564 PMAQI
21st Jul 2025565 PMAQI
21st Jul 2025516 PMAQI
21st Jul 2025507 PMAQI
21st Jul 2025508 PMAQI
21st Jul 2025469 PMAQI
21st Jul 20254710 PMAQI
21st Jul 20254811 PMAQI
22nd Jul 20254612 AMAQI
22nd Jul 2025431 AMAQI
22nd Jul 2025402 AMAQI
22nd Jul 2025393 AMAQI
30°C24/37°C
22nd Jul 2025394 AMAQI
22nd Jul 2025405 AMAQI
22nd Jul 2025396 AMAQI
22nd Jul 2025407 AMAQI
22nd Jul 2025408 AMAQI
22nd Jul 2025389 AMAQI
22nd Jul 20253810 AMAQI
22nd Jul 20254511 AMAQI
22nd Jul 20255612 PMAQI
22nd Jul 2025581 PMAQI
22nd Jul 2025562 PMAQI
22nd Jul 2025513 PMAQI
22nd Jul 2025504 PMAQI
22nd Jul 2025565 PMAQI
22nd Jul 2025556 PMAQI
22nd Jul 2025537 PMAQI
22nd Jul 2025508 PMAQI
22nd Jul 2025489 PMAQI
22nd Jul 20254610 PMAQI
22nd Jul 20254511 PMAQI
23rd Jul 20254512 AMAQI
23rd Jul 2025441 AMAQI
23rd Jul 2025402 AMAQI
23rd Jul 2025403 AMAQI
30°C25/37°C
23rd Jul 2025424 AMAQI
23rd Jul 2025425 AMAQI
23rd Jul 2025436 AMAQI
23rd Jul 2025437 AMAQI
23rd Jul 2025438 AMAQI
23rd Jul 2025439 AMAQI
23rd Jul 20254810 AMAQI
23rd Jul 20255211 AMAQI
23rd Jul 20255712 PMAQI
23rd Jul 2025581 PMAQI
23rd Jul 2025562 PMAQI
23rd Jul 2025543 PMAQI
23rd Jul 2025614 PMAQI
23rd Jul 2025715 PMAQI
23rd Jul 2025596 PMAQI
23rd Jul 2025577 PMAQI
23rd Jul 2025548 PMAQI
23rd Jul 2025489 PMAQI
23rd Jul 20254510 PMAQI
23rd Jul 20253811 PMAQI
24th Jul 20253912 AMAQI
24th Jul 2025411 AMAQI
24th Jul 2025432 AMAQI
24th Jul 2025433 AMAQI
30°C24/37°C
24th Jul 2025444 AMAQI
24th Jul 2025465 AMAQI
24th Jul 2025466 AMAQI
24th Jul 2025467 AMAQI
24th Jul 2025458 AMAQI
24th Jul 2025499 AMAQI
24th Jul 20255210 AMAQI
24th Jul 20255411 AMAQI
24th Jul 20255712 PMAQI
24th Jul 2025581 PMAQI
24th Jul 2025552 PMAQI
24th Jul 2025593 PMAQI
24th Jul 2025664 PMAQI
24th Jul 2025585 PMAQI
24th Jul 2025556 PMAQI
24th Jul 2025607 PMAQI
24th Jul 2025568 PMAQI
24th Jul 2025509 PMAQI
24th Jul 20255210 PMAQI
24th Jul 20254911 PMAQI
25th Jul 20254912 AMAQI
25th Jul 2025471 AMAQI
25th Jul 2025432 AMAQI
25th Jul 2025443 AMAQI
30°C24/37°C
25th Jul 2025464 AMAQI
25th Jul 2025485 AMAQI
25th Jul 2025476 AMAQI
25th Jul 2025487 AMAQI
25th Jul 2025478 AMAQI
25th Jul 2025509 AMAQI
25th Jul 20255510 AMAQI
25th Jul 20255811 AMAQI
25th Jul 20255912 PMAQI
25th Jul 2025621 PMAQI
25th Jul 2025602 PMAQI
25th Jul 2025643 PMAQI
25th Jul 2025544 PMAQI
25th Jul 2025435 PMAQI
25th Jul 2025526 PMAQI
25th Jul 2025487 PMAQI
25th Jul 2025488 PMAQI
25th Jul 2025519 PMAQI
25th Jul 20255010 PMAQI
25th Jul 20254811 PMAQI
26th Jul 20254512 AMAQI
26th Jul 2025441 AMAQI
26th Jul 2025462 AMAQI
26th Jul 2025463 AMAQI
30°C24/37°C
26th Jul 2025504 AMAQI
26th Jul 2025525 AMAQI
26th Jul 2025516 AMAQI
26th Jul 2025517 AMAQI
26th Jul 2025528 AMAQI
26th Jul 2025489 AMAQI
26th Jul 20254610 AMAQI
26th Jul 20255311 AMAQI
26th Jul 20255612 PMAQI
26th Jul 2025541 PMAQI
26th Jul 2025552 PMAQI
26th Jul 2025583 PMAQI
26th Jul 2025574 PMAQI
26th Jul 2025515 PMAQI
26th Jul 2025426 PMAQI
26th Jul 2025427 PMAQI
26th Jul 2025418 PMAQI
26th Jul 2025479 PMAQI
26th Jul 20254510 PMAQI
26th Jul 20254411 PMAQI
27th Jul 20254412 AMAQI
27th Jul 2025461 AMAQI
27th Jul 2025482 AMAQI
27th Jul 2025493 AMAQI
30°C24/38°C
27th Jul 2025484 AMAQI
27th Jul 2025505 AMAQI
27th Jul 2025516 AMAQI
27th Jul 2025507 AMAQI
27th Jul 2025518 AMAQI
27th Jul 2025449 AMAQI
27th Jul 20254110 AMAQI
27th Jul 20254911 AMAQI
27th Jul 20255012 PMAQI
27th Jul 2025431 PMAQI
27th Jul 2025522 PMAQI
27th Jul 2025463 PMAQI
27th Jul 2025534 PMAQI
27th Jul 2025575 PMAQI
27th Jul 2025456 PMAQI
27th Jul 2025377 PMAQI
27th Jul 2025368 PMAQI
27th Jul 2025449 PMAQI
27th Jul 20254310 PMAQI
27th Jul 20254211 PMAQI
28th Jul 20254412 AMAQI
28th Jul 2025451 AMAQI
28th Jul 2025482 AMAQI
28th Jul 2025493 AMAQI
30°C25/37°C
28th Jul 2025484 AMAQI
28th Jul 2025485 AMAQI
28th Jul 2025486 AMAQI
28th Jul 2025487 AMAQI
28th Jul 2025498 AMAQI
28th Jul 2025399 AMAQI
28th Jul 20253410 AMAQI
28th Jul 20254311 AMAQI
28th Jul 20254612 PMAQI
28th Jul 2025491 PMAQI
28th Jul 2025482 PMAQI
28th Jul 2025473 PMAQI
28th Jul 2025544 PMAQI
28th Jul 2025615 PMAQI
28th Jul 2025636 PMAQI
28th Jul 2025627 PMAQI
28th Jul 2025558 PMAQI
28th Jul 2025509 PMAQI
28th Jul 20254710 PMAQI
28th Jul 20254211 PMAQI
29th Jul 20254312 AMAQI
29th Jul 2025431 AMAQI
29th Jul 2025472 AMAQI
29th Jul 2025463 AMAQI
30°C25/37°C
29th Jul 2025464 AMAQI
29th Jul 2025465 AMAQI
29th Jul 2025466 AMAQI
29th Jul 2025477 AMAQI
29th Jul 2025468 AMAQI
29th Jul 2025469 AMAQI
29th Jul 20254310 AMAQI
29th Jul 20254411 AMAQI
29th Jul 20254512 PMAQI
29th Jul 2025461 PMAQI
29th Jul 2025452 PMAQI
29th Jul 2025473 PMAQI
29th Jul 2025504 PMAQI
29th Jul 2025525 PMAQI
29th Jul 2025576 PMAQI
29th Jul 2025587 PMAQI
29th Jul 2025548 PMAQI
29th Jul 2025469 PMAQI
29th Jul 20254210 PMAQI
29th Jul 20253811 PMAQI
30th Jul 20253712 AMAQI
30th Jul 2025381 AMAQI
30th Jul 2025462 AMAQI
30th Jul 2025463 AMAQI
31°C25/37°C
30th Jul 2025464 AMAQI
30th Jul 2025465 AMAQI
30th Jul 2025466 AMAQI
30th Jul 2025467 AMAQI
30th Jul 2025468 AMAQI
30th Jul 2025269 AMAQI
30th Jul 20252210 AMAQI
30th Jul 20252811 AMAQI
30th Jul 20253012 PMAQI
30th Jul 2025281 PMAQI
30th Jul 2025262 PMAQI
30th Jul 2025283 PMAQI
30th Jul 2025324 PMAQI
30th Jul 2025465 PMAQI
30th Jul 2025506 PMAQI
30th Jul 2025527 PMAQI
30th Jul 2025428 PMAQI
30th Jul 2025389 PMAQI
30th Jul 20253910 PMAQI
30th Jul 20253711 PMAQI
31st Jul 20253812 AMAQI
31st Jul 2025401 AMAQI
31st Jul 2025452 AMAQI
31st Jul 2025453 AMAQI
29°C24/36°C
31st Jul 2025464 AMAQI
31st Jul 2025465 AMAQI
31st Jul 2025466 AMAQI
31st Jul 2025467 AMAQI
31st Jul 2025468 AMAQI
31st Jul 2025469 AMAQI
31st Jul 20254610 AMAQI
31st Jul 20253311 AMAQI
31st Jul 20253612 PMAQI
31st Jul 2025331 PMAQI
31st Jul 2025312 PMAQI
31st Jul 2025343 PMAQI
31st Jul 2025354 PMAQI
31st Jul 2025485 PMAQI
31st Jul 2025496 PMAQI
31st Jul 2025387 PMAQI
31st Jul 2025358 PMAQI
31st Jul 2025489 PMAQI
31st Jul 20253810 PMAQI
31st Jul 20253411 PMAQI
1st Aug 20253412 AMAQI
1st Aug 2025351 AMAQI
1st Aug 2025342 AMAQI
1st Aug 2025403 AMAQI
28°C23/35°C
1st Aug 2025374 AMAQI
1st Aug 2025355 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025447 AMAQI
1st Aug 2025388 AMAQI
1st Aug 2025389 AMAQI
1st Aug 20253010 AMAQI
1st Aug 20254511 AMAQI
1st Aug 20254812 PMAQI
1st Aug 2025451 PMAQI
1st Aug 2025372 PMAQI
1st Aug 2025303 PMAQI
1st Aug 2025464 PMAQI
1st Aug 2025425 PMAQI
1st Aug 2025446 PMAQI
1st Aug 2025387 PMAQI
1st Aug 2025358 PMAQI
1st Aug 2025329 PMAQI
1st Aug 20253610 PMAQI
1st Aug 20253111 PMAQI
2nd Aug 20253312 AMAQI
2nd Aug 2025341 AMAQI
2nd Aug 2025392 AMAQI
2nd Aug 2025403 AMAQI
26°C23/31°C
2nd Aug 2025424 AMAQI
2nd Aug 2025425 AMAQI
2nd Aug 2025426 AMAQI
2nd Aug 2025397 AMAQI
2nd Aug 2025408 AMAQI
2nd Aug 2025399 AMAQI
2nd Aug 20253510 AMAQI
2nd Aug 20253911 AMAQI
2nd Aug 20252912 PMAQI
2nd Aug 2025381 PMAQI
2nd Aug 2025462 PMAQI
2nd Aug 2025523 PMAQI
2nd Aug 2025434 PMAQI
2nd Aug 2025465 PMAQI
2nd Aug 2025486 PMAQI
2nd Aug 2025517 PMAQI
2nd Aug 2025428 PMAQI
2nd Aug 2025419 PMAQI
2nd Aug 20253610 PMAQI
2nd Aug 20254611 PMAQI
3rd Aug 20253412 AMAQI
3rd Aug 2025381 AMAQI
3rd Aug 2025392 AMAQI
3rd Aug 2025393 AMAQI
30°C25/38°C
3rd Aug 2025424 AMAQI
3rd Aug 2025405 AMAQI
3rd Aug 2025406 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025398 AMAQI
3rd Aug 2025449 AMAQI
3rd Aug 20255010 AMAQI
3rd Aug 20254911 AMAQI
3rd Aug 20255712 PMAQI
3rd Aug 2025551 PMAQI
3rd Aug 2025532 PMAQI
3rd Aug 2025463 PMAQI
3rd Aug 2025554 PMAQI
3rd Aug 2025545 PMAQI
3rd Aug 2025516 PMAQI
3rd Aug 2025607 PMAQI
3rd Aug 2025558 PMAQI
3rd Aug 2025469 PMAQI
3rd Aug 20254610 PMAQI
3rd Aug 20254311 PMAQI
4th Aug 20253812 AMAQI
4th Aug 2025401 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025403 AMAQI
30°C25/37°C
4th Aug 2025434 AMAQI
4th Aug 2025455 AMAQI
4th Aug 2025446 AMAQI
4th Aug 2025447 AMAQI
4th Aug 2025468 AMAQI
4th Aug 2025529 AMAQI
4th Aug 20255810 AMAQI
4th Aug 20257511 AMAQI
4th Aug 20257412 PMAQI
4th Aug 2025681 PMAQI
4th Aug 2025782 PMAQI
4th Aug 2025703 PMAQI
4th Aug 2025804 PMAQI
4th Aug 2025745 PMAQI
4th Aug 2025746 PMAQI
4th Aug 2025697 PMAQI
4th Aug 2025628 PMAQI
4th Aug 2025579 PMAQI
4th Aug 20255410 PMAQI
4th Aug 20255211 PMAQI
5th Aug 20255612 AMAQI
5th Aug 2025481 AMAQI
5th Aug 2025432 AMAQI
5th Aug 2025433 AMAQI
32°C27/38°C
5th Aug 2025514 AMAQI
5th Aug 2025525 AMAQI
5th Aug 2025526 AMAQI
5th Aug 2025517 AMAQI
5th Aug 2025538 AMAQI
5th Aug 2025529 AMAQI
5th Aug 20256210 AMAQI
5th Aug 20255511 AMAQI
5th Aug 20256212 PMAQI
5th Aug 2025521 PMAQI
5th Aug 2025462 PMAQI
5th Aug 2025583 PMAQI
5th Aug 2025584 PMAQI
5th Aug 2025555 PMAQI
5th Aug 2025586 PMAQI
5th Aug 2025537 PMAQI
5th Aug 2025508 PMAQI
5th Aug 2025489 PMAQI
5th Aug 20254810 PMAQI
5th Aug 20254211 PMAQI
6th Aug 20254412 AMAQI
6th Aug 2025511 AMAQI
6th Aug 2025502 AMAQI
6th Aug 2025503 AMAQI
32°C26/39°C
6th Aug 2025524 AMAQI
6th Aug 2025525 AMAQI
6th Aug 2025516 AMAQI
6th Aug 2025527 AMAQI
6th Aug 2025528 AMAQI
6th Aug 2025399 AMAQI
6th Aug 20253210 AMAQI
6th Aug 20253011 AMAQI
6th Aug 20254712 PMAQI
6th Aug 2025461 PMAQI
6th Aug 2025472 PMAQI
6th Aug 2025513 PMAQI
6th Aug 2025434 PMAQI
6th Aug 2025495 PMAQI
6th Aug 2025436 PMAQI
6th Aug 2025547 PMAQI
6th Aug 2025508 PMAQI
6th Aug 2025479 PMAQI
6th Aug 20254910 PMAQI
6th Aug 20255011 PMAQI
7th Aug 20254812 AMAQI
7th Aug 2025481 AMAQI
7th Aug 2025492 AMAQI
7th Aug 2025483 AMAQI
31°C25/37°C
7th Aug 2025484 AMAQI
7th Aug 2025475 AMAQI
7th Aug 2025466 AMAQI
7th Aug 2025447 AMAQI
7th Aug 2025448 AMAQI
7th Aug 2025349 AMAQI
7th Aug 20253810 AMAQI
7th Aug 20253911 AMAQI
7th Aug 20252812 PMAQI
7th Aug 2025281 PMAQI
7th Aug 2025232 PMAQI
7th Aug 2025193 PMAQI
7th Aug 2025214 PMAQI
7th Aug 2025235 PMAQI
7th Aug 2025276 PMAQI
7th Aug 2025307 PMAQI
7th Aug 2025348 PMAQI
7th Aug 2025389 PMAQI
7th Aug 20253810 PMAQI
7th Aug 20253611 PMAQI
8th Aug 20253612 AMAQI
8th Aug 2025411 AMAQI
8th Aug 2025482 AMAQI
8th Aug 2025483 AMAQI
28°C25/32°C
8th Aug 2025464 AMAQI
4 AM8th Aug 2025435 AMAQI
8th Aug 2025426 AMAQI
8th Aug 2025437 AMAQI
8th Aug 2025448 AMAQI
8th Aug 2025309 AMAQI
8th Aug 20252010 AMAQI
8th Aug 20252011 AMAQI
11 AM8th Aug 20252212 PMAQI
8th Aug 2025251 PMAQI
8th Aug 2025282 PMAQI
8th Aug 2025283 PMAQI
8th Aug 2025374 PMAQI
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
48AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
9 AM - 10 AM
39AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 8 AM (Avg. 48), while the lowest AQI was between 9 AM to 10 AM (Avg. 39).
Night time
Avg. Highest Time
12 AM - 3 AM
47AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM - 11 PM
45AQI
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. 47), while the lowest AQI was between 7 PM to 11 PM (Avg. 45).
2025 Days Vs Air Quality
Shiroishi, Chichibu, Saitama, Japan
2025
85%
187
15%
32
Total number of days with different AQI categories in last 220 days in 2025 (145 days remaining)
Good
187 DaysModerate
32 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2025, 85% of 220 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
Shiroishi, Chichibu, 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
30AQI
30AQI
2nd January 2025
29AQI
29AQI
3rd January 2025
25AQI
25AQI
4th January 2025
28AQI
28AQI
5th January 2025
27AQI
27AQI
6th January 2025
41AQI
41AQI
7th January 2025
27AQI
27AQI
8th January 2025
34AQI
34AQI
9th January 2025
27AQI
27AQI
10th January 2025
27AQI
27AQI
11th January 2025
27AQI
27AQI
12th January 2025
31AQI
31AQI
13th January 2025
29AQI
29AQI
14th January 2025
29AQI
29AQI
15th January 2025
29AQI
29AQI
16th January 2025
27AQI
27AQI
17th January 2025
29AQI
29AQI
18th January 2025
29AQI
29AQI
19th January 2025
35AQI
35AQI
20th January 2025
32AQI
32AQI
21st January 2025
37AQI
37AQI
22nd January 2025
34AQI
34AQI
23rd January 2025
40AQI
40AQI
24th January 2025
45AQI
45AQI
25th January 2025
35AQI
35AQI
26th January 2025
37AQI
37AQI
27th January 2025
29AQI
29AQI
28th January 2025
34AQI
34AQI
29th January 2025
30AQI
30AQI
30th January 2025
33AQI
33AQI
31st January 2025
32AQI
32AQI
1st February 2025
39AQI
39AQI
2nd February 2025
43AQI
43AQI
3rd February 2025
38AQI
38AQI
4th February 2025
36AQI
36AQI
5th February 2025
35AQI
35AQI
6th February 2025
31AQI
31AQI
7th February 2025
32AQI
32AQI
8th February 2025
31AQI
31AQI
9th February 2025
31AQI
31AQI
10th February 2025
31AQI
31AQI
11th February 2025
32AQI
32AQI
12th February 2025
36AQI
36AQI
13th February 2025
33AQI
33AQI
14th February 2025
33AQI
33AQI
15th February 2025
31AQI
31AQI
16th February 2025
37AQI
37AQI
17th February 2025
37AQI
37AQI
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
42AQI
42AQI
28th February 2025
48AQI
48AQI
1st March 2025
49AQI
49AQI
2nd March 2025
53AQI
53AQI
3rd March 2025
41AQI
41AQI
4th March 2025
37AQI
37AQI
5th March 2025
29AQI
29AQI
6th March 2025
32AQI
32AQI
7th March 2025
33AQI
33AQI
8th March 2025
35AQI
35AQI
9th March 2025
34AQI
34AQI
10th March 2025
37AQI
37AQI
11th March 2025
44AQI
44AQI
12th March 2025
48AQI
48AQI
13th March 2025
48AQI
48AQI
14th March 2025
43AQI
43AQI
15th March 2025
36AQI
36AQI
16th March 2025
24AQI
24AQI
17th March 2025
22AQI
22AQI
18th March 2025
24AQI
24AQI
19th March 2025
19AQI
19AQI
20th March 2025
23AQI
23AQI
21st March 2025
31AQI
31AQI
22nd March 2025
43AQI
43AQI
23rd March 2025
52AQI
52AQI
24th March 2025
57AQI
57AQI
25th March 2025
68AQI
68AQI
26th March 2025
77AQI
77AQI
27th March 2025
71AQI
71AQI
28th March 2025
56AQI
56AQI
29th March 2025
35AQI
35AQI
30th March 2025
36AQI
36AQI
31st March 2025
32AQI
32AQI
1st April 2025
26AQI
26AQI
2nd April 2025
21AQI
21AQI
3rd April 2025
20AQI
20AQI
4th April 2025
23AQI
23AQI
5th April 2025
30AQI
30AQI
6th April 2025
26AQI
26AQI
7th April 2025
28AQI
28AQI
8th April 2025
36AQI
36AQI
9th April 2025
31AQI
31AQI
10th April 2025
45AQI
45AQI
11th April 2025
38AQI
38AQI
12th April 2025
42AQI
42AQI
13th April 2025
24AQI
24AQI
14th April 2025
29AQI
29AQI
15th April 2025
24AQI
24AQI
16th April 2025
28AQI
28AQI
17th April 2025
42AQI
42AQI
18th April 2025
54AQI
54AQI
19th April 2025
63AQI
63AQI
20th April 2025
65AQI
65AQI
21st April 2025
43AQI
43AQI
22nd April 2025
54AQI
54AQI
23rd April 2025
30AQI
30AQI
24th April 2025
36AQI
36AQI
25th April 2025
33AQI
33AQI
26th April 2025
43AQI
43AQI
27th April 2025
44AQI
44AQI
28th April 2025
52AQI
52AQI
29th April 2025
35AQI
35AQI
30th April 2025
45AQI
45AQI
1st May 2025
43AQI
43AQI
2nd May 2025
28AQI
28AQI
3rd May 2025
31AQI
31AQI
4th May 2025
36AQI
36AQI
5th May 2025
34AQI
34AQI
6th May 2025
29AQI
29AQI
7th May 2025
26AQI
26AQI
8th May 2025
34AQI
34AQI
9th May 2025
30AQI
30AQI
10th May 2025
22AQI
22AQI
11th May 2025
25AQI
25AQI
12th May 2025
23AQI
23AQI
13th May 2025
33AQI
33AQI
14th May 2025
41AQI
41AQI
15th May 2025
42AQI
42AQI
16th May 2025
47AQI
47AQI
17th May 2025
31AQI
31AQI
18th May 2025
45AQI
45AQI
19th May 2025
32AQI
32AQI
20th May 2025
56AQI
56AQI
21st May 2025
64AQI
64AQI
22nd May 2025
59AQI
59AQI
23rd May 2025
47AQI
47AQI
24th May 2025
43AQI
43AQI
25th May 2025
29AQI
29AQI
26th May 2025
30AQI
30AQI
27th May 2025
29AQI
29AQI
28th May 2025
27AQI
27AQI
29th May 2025
35AQI
35AQI
30th May 2025
23AQI
23AQI
31st May 2025
20AQI
20AQI
1st June 2025
20AQI
20AQI
2nd June 2025
31AQI
31AQI
3rd June 2025
23AQI
23AQI
4th June 2025
28AQI
28AQI
5th June 2025
35AQI
35AQI
6th June 2025
45AQI
45AQI
7th June 2025
51AQI
51AQI
8th June 2025
57AQI
57AQI
9th June 2025
53AQI
53AQI
10th June 2025
33AQI
33AQI
11th June 2025
30AQI
30AQI
12th June 2025
37AQI
37AQI
13th June 2025
47AQI
47AQI
14th June 2025
33AQI
33AQI
15th June 2025
31AQI
31AQI
16th June 2025
40AQI
40AQI
17th June 2025
49AQI
49AQI
18th June 2025
44AQI
44AQI
19th June 2025
50AQI
50AQI
20th June 2025
51AQI
51AQI
21st June 2025
45AQI
45AQI
22nd June 2025
36AQI
36AQI
23rd June 2025
39AQI
39AQI
24th June 2025
30AQI
30AQI
25th June 2025
26AQI
26AQI
26th June 2025
27AQI
27AQI
27th June 2025
33AQI
33AQI
28th June 2025
35AQI
35AQI
29th June 2025
45AQI
45AQI
30th June 2025
51AQI
51AQI
1st July 2025
54AQI
54AQI
2nd July 2025
49AQI
49AQI
3rd July 2025
54AQI
54AQI
4th July 2025
52AQI
52AQI
5th July 2025
54AQI
54AQI
6th July 2025
56AQI
56AQI
7th July 2025
71AQI
71AQI
8th July 2025
74AQI
74AQI
9th July 2025
77AQI
77AQI
10th July 2025
62AQI
62AQI
11th July 2025
44AQI
44AQI
12th July 2025
47AQI
47AQI
13th July 2025
49AQI
49AQI
14th July 2025
38AQI
38AQI
15th July 2025
33AQI
33AQI
16th July 2025
39AQI
39AQI
17th July 2025
35AQI
35AQI
18th July 2025
36AQI
36AQI
19th July 2025
34AQI
34AQI
20th July 2025
37AQI
37AQI
21st July 2025
44AQI
44AQI
22nd July 2025
46AQI
46AQI
23rd July 2025
49AQI
49AQI
24th July 2025
51AQI
51AQI
25th July 2025
50AQI
50AQI
26th July 2025
48AQI
48AQI
27th July 2025
46AQI
46AQI
28th July 2025
49AQI
49AQI
29th July 2025
47AQI
47AQI
30th July 2025
40AQI
40AQI
31st July 2025
41AQI
41AQI
1st August 2025
38AQI
38AQI
2nd August 2025
41AQI
41AQI
3rd August 2025
46AQI
46AQI
4th August 2025
57AQI
57AQI
5th August 2025
52AQI
52AQI
6th August 2025
48AQI
48AQI
7th August 2025
44AQI
44AQI
32AQI
35AQI
41AQI
37AQI
35AQI
39AQI
49AQI
47AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202538AQI
31
28
24
7
25
5
28
3
25
5
21
10
5
2
187
32
Highest AQI recorded in
July49AQI
Lowest AQI recorded in
January32AQI
202435AQI
31
29
28
3
21
9
27
4
22
8
21
10
27
4
27
3
31
30
31
325
41
Highest AQI recorded in
April44AQI
Lowest AQI recorded in
October27AQI
202336AQI
30
1
27
1
27
4
21
9
25
5
1
22
8
25
6
31
29
30
1
26
3
31
324
38
1
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
August27AQI
202235AQI
30
1
21
26
5
24
6
24
7
23
7
21
3
3
29
31
30
31
293
29
Highest AQI recorded in
March42AQI
Lowest AQI recorded in
September26AQI
202131AQI
31
24
4
27
4
29
1
29
2
26
4
28
3
29
2
30
31
30
31
345
20
Highest AQI recorded in
June39AQI
Lowest AQI recorded in
January24AQI
202035AQI
11
2
15
6
18
20
10
28
3
6
25
19
28
3
26
4
31
202
53
Highest AQI recorded in
August64AQI
Lowest AQI recorded in
December24AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
38AQILeast Polluted Year Recorded
2021(Avg.)
31AQIShiroishi's annual 2025 AQI (38) shows an average percentage change of 12.2% (worsened AQI) compared to previous years: 2020 (35), 2021 (31), 2022 (35), 2023 (36), 2024 (35).
