Yokoshiba, Chiba, 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
Yokoshiba, Chiba, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
60AQILowest AQI recorded on
8th Aug 2023
14AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 40 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Yokoshiba, Chiba, Japan
AQI
Day
Night
.
4 AM3rd Aug 2025
6 PM
3 AM4th Aug 2025
Day time
Avg. Highest Time
12PM3rd Aug
56AQI
Avg. Lowest Time
7AM3rd Aug
38AQI
Night time
Avg. Highest Time
8PM3rd Aug
43AQI
Avg. Lowest Time
12AM4th Aug
34AQI
In the last 24 hours,
Yokoshiba's AQI reached its highest point of 56 at 12 PM during the Day, while the lowest point, 34, was recorded at 12 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Yokoshiba, Chiba, Japan
JulAug
05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th
Day
Night
5th Jul 2025354 AMAQI
5th Jul 2025365 AMAQI
5th Jul 2025376 AMAQI
5th Jul 2025367 AMAQI
5th Jul 2025368 AMAQI
5th Jul 2025529 AMAQI
5th Jul 20256210 AMAQI
5th Jul 20256211 AMAQI
5th Jul 20256312 PMAQI
5th Jul 2025551 PMAQI
5th Jul 2025562 PMAQI
5th Jul 2025553 PMAQI
5th Jul 2025554 PMAQI
5th Jul 2025575 PMAQI
5th Jul 2025606 PMAQI
5th Jul 2025667 PMAQI
5th Jul 2025588 PMAQI
5th Jul 2025449 PMAQI
5th Jul 20254410 PMAQI
5th Jul 20254511 PMAQI
6th Jul 20254312 AMAQI
6th Jul 2025361 AMAQI
6th Jul 2025362 AMAQI
6th Jul 2025353 AMAQI
29°C25/32°C
6th Jul 2025364 AMAQI
6th Jul 2025375 AMAQI
6th Jul 2025376 AMAQI
6th Jul 2025367 AMAQI
6th Jul 2025368 AMAQI
6th Jul 2025689 AMAQI
6th Jul 20259210 AMAQI
6th Jul 202510711 AMAQI
6th Jul 202510412 PMAQI
6th Jul 2025881 PMAQI
6th Jul 2025852 PMAQI
6th Jul 2025903 PMAQI
6th Jul 20251364 PMAQI
6th Jul 20251045 PMAQI
6th Jul 20251006 PMAQI
6th Jul 20251087 PMAQI
6th Jul 20251028 PMAQI
6th Jul 2025699 PMAQI
6th Jul 20256810 PMAQI
6th Jul 20257011 PMAQI
7th Jul 20256812 AMAQI
7th Jul 2025481 AMAQI
7th Jul 2025402 AMAQI
7th Jul 2025393 AMAQI
30°C26/34°C
7th Jul 2025434 AMAQI
7th Jul 2025545 AMAQI
7th Jul 2025546 AMAQI
7th Jul 2025547 AMAQI
7th Jul 2025548 AMAQI
7th Jul 2025949 AMAQI
7th Jul 202511610 AMAQI
7th Jul 202512111 AMAQI
7th Jul 202512212 PMAQI
7th Jul 2025981 PMAQI
7th Jul 20251032 PMAQI
7th Jul 2025903 PMAQI
7th Jul 20251004 PMAQI
7th Jul 20251015 PMAQI
7th Jul 2025996 PMAQI
7th Jul 20251027 PMAQI
7th Jul 2025908 PMAQI
7th Jul 2025699 PMAQI
7th Jul 20256510 PMAQI
7th Jul 20256511 PMAQI
8th Jul 20256312 AMAQI
8th Jul 2025551 AMAQI
8th Jul 2025542 AMAQI
8th Jul 2025543 AMAQI
30°C26/34°C
8th Jul 2025564 AMAQI
8th Jul 2025635 AMAQI
8th Jul 2025636 AMAQI
8th Jul 2025627 AMAQI
8th Jul 2025638 AMAQI
8th Jul 2025949 AMAQI
8th Jul 20259610 AMAQI
8th Jul 202510211 AMAQI
8th Jul 20259812 PMAQI
8th Jul 2025881 PMAQI
8th Jul 2025802 PMAQI
8th Jul 2025793 PMAQI
8th Jul 2025794 PMAQI
8th Jul 2025805 PMAQI
8th Jul 2025936 PMAQI
8th Jul 2025867 PMAQI
8th Jul 2025868 PMAQI
8th Jul 2025769 PMAQI
8th Jul 20257710 PMAQI
8th Jul 20257811 PMAQI
9th Jul 20257512 AMAQI
9th Jul 2025601 AMAQI
9th Jul 2025602 AMAQI
9th Jul 2025593 AMAQI
30°C26/34°C
9th Jul 2025604 AMAQI
9th Jul 2025665 AMAQI
9th Jul 2025666 AMAQI
9th Jul 2025667 AMAQI
9th Jul 2025658 AMAQI
9th Jul 2025809 AMAQI
9th Jul 20258610 AMAQI
9th Jul 20258911 AMAQI
9th Jul 20259512 PMAQI
9th Jul 2025921 PMAQI
9th Jul 2025882 PMAQI
9th Jul 2025803 PMAQI
9th Jul 2025514 PMAQI
9th Jul 2025485 PMAQI
9th Jul 2025396 PMAQI
9th Jul 2025347 PMAQI
9th Jul 2025448 PMAQI
9th Jul 2025569 PMAQI
9th Jul 20255610 PMAQI
9th Jul 20255611 PMAQI
10th Jul 20255512 AMAQI
10th Jul 2025661 AMAQI
10th Jul 2025642 AMAQI
10th Jul 2025643 AMAQI
30°C26/34°C
10th Jul 2025664 AMAQI
10th Jul 2025685 AMAQI
10th Jul 2025706 AMAQI
10th Jul 2025697 AMAQI
10th Jul 2025688 AMAQI
10th Jul 2025379 AMAQI
10th Jul 20252010 AMAQI
10th Jul 20252811 AMAQI
10th Jul 20253212 PMAQI
10th Jul 2025281 PMAQI
10th Jul 2025292 PMAQI
10th Jul 2025383 PMAQI
10th Jul 2025334 PMAQI
10th Jul 2025305 PMAQI
10th Jul 2025496 PMAQI
10th Jul 2025537 PMAQI
10th Jul 2025568 PMAQI
10th Jul 2025589 PMAQI
10th Jul 20255710 PMAQI
10th Jul 20255611 PMAQI
11th Jul 20255812 AMAQI
11th Jul 2025641 AMAQI
11th Jul 2025642 AMAQI
11th Jul 2025643 AMAQI
27°C22/33°C
11th Jul 2025644 AMAQI
11th Jul 2025605 AMAQI
11th Jul 2025606 AMAQI
11th Jul 2025607 AMAQI
11th Jul 2025608 AMAQI
11th Jul 2025309 AMAQI
11th Jul 20251910 AMAQI
11th Jul 20252111 AMAQI
11th Jul 20252112 PMAQI
11th Jul 2025281 PMAQI
11th Jul 2025342 PMAQI
11th Jul 2025343 PMAQI
11th Jul 2025334 PMAQI
11th Jul 2025305 PMAQI
11th Jul 2025346 PMAQI
11th Jul 2025347 PMAQI
11th Jul 2025438 PMAQI
11th Jul 2025569 PMAQI
11th Jul 20255610 PMAQI
11th Jul 20255511 PMAQI
12th Jul 20255612 AMAQI
12th Jul 2025611 AMAQI
12th Jul 2025622 AMAQI
12th Jul 2025613 AMAQI
22°C21/24°C
12th Jul 2025604 AMAQI
12th Jul 2025565 AMAQI
12th Jul 2025576 AMAQI
12th Jul 2025567 AMAQI
12th Jul 2025568 AMAQI
12th Jul 2025409 AMAQI
12th Jul 20253210 AMAQI
12th Jul 20253511 AMAQI
12th Jul 20253212 PMAQI
12th Jul 2025351 PMAQI
12th Jul 2025412 PMAQI
12th Jul 2025403 PMAQI
12th Jul 2025404 PMAQI
12th Jul 2025415 PMAQI
12th Jul 2025366 PMAQI
12th Jul 2025367 PMAQI
12th Jul 2025438 PMAQI
12th Jul 2025529 PMAQI
12th Jul 20255210 PMAQI
12th Jul 20255211 PMAQI
13th Jul 20255312 AMAQI
13th Jul 2025581 AMAQI
13th Jul 2025582 AMAQI
13th Jul 2025583 AMAQI
23°C21/26°C
13th Jul 2025584 AMAQI
13th Jul 2025565 AMAQI
13th Jul 2025566 AMAQI
13th Jul 2025567 AMAQI
13th Jul 2025568 AMAQI
13th Jul 2025479 AMAQI
13th Jul 20253810 AMAQI
13th Jul 20253311 AMAQI
13th Jul 20253212 PMAQI
13th Jul 2025411 PMAQI
13th Jul 2025412 PMAQI
13th Jul 2025383 PMAQI
13th Jul 2025334 PMAQI
13th Jul 2025325 PMAQI
13th Jul 2025296 PMAQI
13th Jul 2025247 PMAQI
13th Jul 2025278 PMAQI
13th Jul 2025489 PMAQI
13th Jul 20254810 PMAQI
13th Jul 20254211 PMAQI
14th Jul 20254412 AMAQI
14th Jul 2025521 AMAQI
14th Jul 2025562 AMAQI
14th Jul 2025563 AMAQI
26°C23/30°C
14th Jul 2025564 AMAQI
14th Jul 2025545 AMAQI
14th Jul 2025546 AMAQI
14th Jul 2025547 AMAQI
14th Jul 2025548 AMAQI
14th Jul 2025279 AMAQI
14th Jul 20251710 AMAQI
14th Jul 20251711 AMAQI
14th Jul 20252512 PMAQI
14th Jul 2025261 PMAQI
14th Jul 2025282 PMAQI
14th Jul 2025273 PMAQI
14th Jul 2025234 PMAQI
14th Jul 2025235 PMAQI
14th Jul 2025266 PMAQI
14th Jul 2025317 PMAQI
14th Jul 2025308 PMAQI
14th Jul 2025479 PMAQI
14th Jul 20254710 PMAQI
14th Jul 20254611 PMAQI
15th Jul 20254612 AMAQI
15th Jul 2025501 AMAQI
15th Jul 2025542 AMAQI
15th Jul 2025543 AMAQI
26°C24/29°C
15th Jul 2025544 AMAQI
15th Jul 2025525 AMAQI
15th Jul 2025526 AMAQI
15th Jul 2025527 AMAQI
15th Jul 2025528 AMAQI
15th Jul 2025339 AMAQI
15th Jul 20252010 AMAQI
15th Jul 20252011 AMAQI
15th Jul 20253412 PMAQI
15th Jul 2025411 PMAQI
15th Jul 2025502 PMAQI
15th Jul 2025443 PMAQI
15th Jul 2025434 PMAQI
15th Jul 2025485 PMAQI
15th Jul 2025426 PMAQI
15th Jul 2025417 PMAQI
15th Jul 2025428 PMAQI
15th Jul 2025469 PMAQI
15th Jul 20254310 PMAQI
15th Jul 20254111 PMAQI
16th Jul 20254512 AMAQI
16th Jul 2025521 AMAQI
16th Jul 2025522 AMAQI
16th Jul 2025523 AMAQI
26°C25/27°C
16th Jul 2025524 AMAQI
16th Jul 2025495 AMAQI
16th Jul 2025506 AMAQI
16th Jul 2025507 AMAQI
16th Jul 2025508 AMAQI
16th Jul 2025359 AMAQI
16th Jul 20253410 AMAQI
16th Jul 20253011 AMAQI
16th Jul 20253112 PMAQI
16th Jul 2025281 PMAQI
16th Jul 2025242 PMAQI
16th Jul 2025263 PMAQI
16th Jul 2025314 PMAQI
16th Jul 2025335 PMAQI
16th Jul 2025316 PMAQI
16th Jul 2025277 PMAQI
16th Jul 2025268 PMAQI
16th Jul 2025379 PMAQI
16th Jul 20253610 PMAQI
16th Jul 20253811 PMAQI
17th Jul 20254112 AMAQI
17th Jul 2025511 AMAQI
17th Jul 2025502 AMAQI
17th Jul 2025503 AMAQI
25°C25/27°C
17th Jul 2025504 AMAQI
17th Jul 2025475 AMAQI
17th Jul 2025486 AMAQI
17th Jul 2025477 AMAQI
17th Jul 2025478 AMAQI
17th Jul 2025409 AMAQI
17th Jul 20253610 AMAQI
17th Jul 20253311 AMAQI
17th Jul 20253212 PMAQI
17th Jul 2025351 PMAQI
17th Jul 2025342 PMAQI
17th Jul 2025353 PMAQI
17th Jul 2025384 PMAQI
17th Jul 2025325 PMAQI
17th Jul 2025386 PMAQI
17th Jul 2025347 PMAQI
17th Jul 2025368 PMAQI
17th Jul 2025419 PMAQI
17th Jul 20254110 PMAQI
17th Jul 20254011 PMAQI
18th Jul 20254112 AMAQI
18th Jul 2025481 AMAQI
18th Jul 2025482 AMAQI
18th Jul 2025483 AMAQI
28°C25/32°C
18th Jul 2025474 AMAQI
18th Jul 2025445 AMAQI
18th Jul 2025446 AMAQI
18th Jul 2025447 AMAQI
18th Jul 2025448 AMAQI
18th Jul 2025299 AMAQI
18th Jul 20252010 AMAQI
18th Jul 20252511 AMAQI
18th Jul 20252612 PMAQI
18th Jul 2025301 PMAQI
18th Jul 2025272 PMAQI
18th Jul 2025233 PMAQI
18th Jul 2025244 PMAQI
18th Jul 2025255 PMAQI
18th Jul 2025256 PMAQI
18th Jul 2025217 PMAQI
18th Jul 2025318 PMAQI
18th Jul 2025389 PMAQI
18th Jul 20253710 PMAQI
18th Jul 20253611 PMAQI
19th Jul 20253512 AMAQI
19th Jul 2025411 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025463 AMAQI
28°C25/32°C
19th Jul 2025444 AMAQI
19th Jul 2025425 AMAQI
19th Jul 2025426 AMAQI
19th Jul 2025427 AMAQI
19th Jul 2025428 AMAQI
19th Jul 2025289 AMAQI
19th Jul 20251810 AMAQI
19th Jul 20252111 AMAQI
19th Jul 20251712 PMAQI
19th Jul 2025221 PMAQI
19th Jul 2025222 PMAQI
19th Jul 2025203 PMAQI
19th Jul 2025224 PMAQI
19th Jul 2025215 PMAQI
19th Jul 2025206 PMAQI
19th Jul 2025187 PMAQI
19th Jul 2025228 PMAQI
19th Jul 2025339 PMAQI
19th Jul 20253410 PMAQI
19th Jul 20253511 PMAQI
20th Jul 20253612 AMAQI
20th Jul 2025411 AMAQI
20th Jul 2025432 AMAQI
20th Jul 2025433 AMAQI
28°C25/31°C
20th Jul 2025414 AMAQI
20th Jul 2025385 AMAQI
20th Jul 2025386 AMAQI
20th Jul 2025387 AMAQI
20th Jul 2025398 AMAQI
20th Jul 2025319 AMAQI
20th Jul 20252010 AMAQI
20th Jul 20252011 AMAQI
20th Jul 20252212 PMAQI
20th Jul 2025261 PMAQI
20th Jul 2025222 PMAQI
20th Jul 2025223 PMAQI
20th Jul 2025234 PMAQI
20th Jul 2025185 PMAQI
20th Jul 2025226 PMAQI
20th Jul 2025267 PMAQI
20th Jul 2025258 PMAQI
20th Jul 2025349 PMAQI
20th Jul 20253310 PMAQI
20th Jul 20253411 PMAQI
21st Jul 20253412 AMAQI
21st Jul 2025401 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025403 AMAQI
29°C25/34°C
21st Jul 2025404 AMAQI
21st Jul 2025385 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025377 AMAQI
21st Jul 2025378 AMAQI
21st Jul 2025289 AMAQI
21st Jul 20253010 AMAQI
21st Jul 20253611 AMAQI
21st Jul 20252812 PMAQI
21st Jul 2025321 PMAQI
21st Jul 2025292 PMAQI
21st Jul 2025263 PMAQI
21st Jul 2025284 PMAQI
21st Jul 2025335 PMAQI
21st Jul 2025236 PMAQI
21st Jul 2025237 PMAQI
21st Jul 2025268 PMAQI
21st Jul 2025329 PMAQI
21st Jul 20252810 PMAQI
21st Jul 20252611 PMAQI
22nd Jul 20252812 AMAQI
22nd Jul 2025371 AMAQI
22nd Jul 2025382 AMAQI
22nd Jul 2025383 AMAQI
30°C26/35°C
22nd Jul 2025384 AMAQI
22nd Jul 2025365 AMAQI
22nd Jul 2025366 AMAQI
22nd Jul 2025367 AMAQI
22nd Jul 2025368 AMAQI
22nd Jul 2025269 AMAQI
22nd Jul 20252810 AMAQI
22nd Jul 20252611 AMAQI
22nd Jul 20252712 PMAQI
22nd Jul 2025291 PMAQI
22nd Jul 2025312 PMAQI
22nd Jul 2025333 PMAQI
22nd Jul 2025324 PMAQI
22nd Jul 2025285 PMAQI
22nd Jul 2025276 PMAQI
22nd Jul 2025237 PMAQI
22nd Jul 2025188 PMAQI
22nd Jul 2025269 PMAQI
22nd Jul 20252910 PMAQI
22nd Jul 20252911 PMAQI
23rd Jul 20252812 AMAQI
23rd Jul 2025321 AMAQI
23rd Jul 2025362 AMAQI
23rd Jul 2025373 AMAQI
30°C26/35°C
23rd Jul 2025364 AMAQI
23rd Jul 2025345 AMAQI
23rd Jul 2025356 AMAQI
23rd Jul 2025357 AMAQI
23rd Jul 2025358 AMAQI
23rd Jul 2025249 AMAQI
23rd Jul 20252310 AMAQI
23rd Jul 20252911 AMAQI
23rd Jul 20253412 PMAQI
23rd Jul 2025341 PMAQI
23rd Jul 2025302 PMAQI
23rd Jul 2025283 PMAQI
23rd Jul 2025254 PMAQI
23rd Jul 2025235 PMAQI
23rd Jul 2025216 PMAQI
23rd Jul 2025237 PMAQI
23rd Jul 2025198 PMAQI
23rd Jul 2025279 PMAQI
23rd Jul 20252610 PMAQI
23rd Jul 20252611 PMAQI
24th Jul 20252812 AMAQI
24th Jul 2025341 AMAQI
24th Jul 2025342 AMAQI
24th Jul 2025343 AMAQI
30°C25/35°C
24th Jul 2025334 AMAQI
24th Jul 2025335 AMAQI
24th Jul 2025346 AMAQI
24th Jul 2025337 AMAQI
24th Jul 2025348 AMAQI
24th Jul 2025309 AMAQI
24th Jul 20253310 AMAQI
24th Jul 20253911 AMAQI
24th Jul 20254312 PMAQI
24th Jul 2025351 PMAQI
24th Jul 2025322 PMAQI
24th Jul 2025303 PMAQI
24th Jul 2025354 PMAQI
24th Jul 2025325 PMAQI
24th Jul 2025246 PMAQI
24th Jul 2025247 PMAQI
24th Jul 2025228 PMAQI
24th Jul 2025269 PMAQI
24th Jul 20252410 PMAQI
24th Jul 20252611 PMAQI
25th Jul 20252812 AMAQI
25th Jul 2025321 AMAQI
25th Jul 2025322 AMAQI
25th Jul 2025333 AMAQI
30°C25/36°C
25th Jul 2025334 AMAQI
25th Jul 2025345 AMAQI
25th Jul 2025356 AMAQI
25th Jul 2025347 AMAQI
25th Jul 2025348 AMAQI
25th Jul 2025299 AMAQI
25th Jul 20253210 AMAQI
25th Jul 20253811 AMAQI
25th Jul 20253212 PMAQI
25th Jul 2025361 PMAQI
25th Jul 2025342 PMAQI
25th Jul 2025253 PMAQI
25th Jul 2025264 PMAQI
25th Jul 2025195 PMAQI
25th Jul 2025216 PMAQI
25th Jul 2025187 PMAQI
25th Jul 2025228 PMAQI
25th Jul 2025259 PMAQI
25th Jul 20252610 PMAQI
25th Jul 20252611 PMAQI
26th Jul 20252612 AMAQI
26th Jul 2025321 AMAQI
26th Jul 2025332 AMAQI
26th Jul 2025323 AMAQI
31°C26/37°C
26th Jul 2025324 AMAQI
26th Jul 2025345 AMAQI
26th Jul 2025346 AMAQI
26th Jul 2025347 AMAQI
26th Jul 2025338 AMAQI
26th Jul 2025249 AMAQI
26th Jul 20252710 AMAQI
26th Jul 20252811 AMAQI
26th Jul 20253212 PMAQI
26th Jul 2025291 PMAQI
26th Jul 2025262 PMAQI
26th Jul 2025243 PMAQI
26th Jul 2025244 PMAQI
26th Jul 2025235 PMAQI
26th Jul 2025186 PMAQI
26th Jul 2025177 PMAQI
26th Jul 2025218 PMAQI
26th Jul 2025269 PMAQI
26th Jul 20252810 PMAQI
26th Jul 20252811 PMAQI
27th Jul 20252612 AMAQI
27th Jul 2025321 AMAQI
27th Jul 2025322 AMAQI
27th Jul 2025323 AMAQI
31°C26/36°C
27th Jul 2025324 AMAQI
27th Jul 2025315 AMAQI
27th Jul 2025326 AMAQI
27th Jul 2025317 AMAQI
27th Jul 2025328 AMAQI
27th Jul 2025279 AMAQI
27th Jul 20252410 AMAQI
27th Jul 20252611 AMAQI
27th Jul 20252712 PMAQI
27th Jul 2025251 PMAQI
27th Jul 2025242 PMAQI
27th Jul 2025273 PMAQI
27th Jul 2025264 PMAQI
27th Jul 2025215 PMAQI
27th Jul 2025186 PMAQI
27th Jul 2025187 PMAQI
27th Jul 2025188 PMAQI
27th Jul 2025249 PMAQI
27th Jul 20252210 PMAQI
27th Jul 20252211 PMAQI
28th Jul 20252212 AMAQI
28th Jul 2025261 AMAQI
28th Jul 2025322 AMAQI
28th Jul 2025323 AMAQI
30°C26/36°C
28th Jul 2025324 AMAQI
28th Jul 2025325 AMAQI
28th Jul 2025316 AMAQI
28th Jul 2025307 AMAQI
28th Jul 2025308 AMAQI
28th Jul 2025289 AMAQI
28th Jul 20252110 AMAQI
28th Jul 20252611 AMAQI
28th Jul 20252712 PMAQI
28th Jul 2025321 PMAQI
28th Jul 2025312 PMAQI
28th Jul 2025303 PMAQI
28th Jul 2025304 PMAQI
28th Jul 2025275 PMAQI
28th Jul 2025266 PMAQI
28th Jul 2025277 PMAQI
28th Jul 2025258 PMAQI
28th Jul 2025269 PMAQI
28th Jul 20252610 PMAQI
28th Jul 20252411 PMAQI
29th Jul 20252512 AMAQI
29th Jul 2025301 AMAQI
29th Jul 2025302 AMAQI
29th Jul 2025313 AMAQI
30°C25/35°C
29th Jul 2025304 AMAQI
29th Jul 2025315 AMAQI
29th Jul 2025316 AMAQI
29th Jul 2025317 AMAQI
29th Jul 2025318 AMAQI
29th Jul 2025299 AMAQI
29th Jul 20253110 AMAQI
29th Jul 20253011 AMAQI
29th Jul 20252412 PMAQI
29th Jul 2025221 PMAQI
29th Jul 2025212 PMAQI
29th Jul 2025203 PMAQI
29th Jul 2025194 PMAQI
29th Jul 2025185 PMAQI
29th Jul 2025186 PMAQI
29th Jul 2025187 PMAQI
29th Jul 2025238 PMAQI
29th Jul 2025289 PMAQI
29th Jul 20252710 PMAQI
29th Jul 20252411 PMAQI
30th Jul 20252412 AMAQI
30th Jul 2025291 AMAQI
30th Jul 2025292 AMAQI
30th Jul 2025293 AMAQI
30°C25/35°C
30th Jul 2025294 AMAQI
30th Jul 2025295 AMAQI
30th Jul 2025296 AMAQI
30th Jul 2025297 AMAQI
30th Jul 2025288 AMAQI
30th Jul 2025289 AMAQI
30th Jul 20252610 AMAQI
30th Jul 20252611 AMAQI
30th Jul 20252712 PMAQI
30th Jul 2025281 PMAQI
30th Jul 2025222 PMAQI
30th Jul 2025303 PMAQI
30th Jul 2025324 PMAQI
30th Jul 2025335 PMAQI
30th Jul 2025366 PMAQI
30th Jul 2025307 PMAQI
30th Jul 2025328 PMAQI
30th Jul 2025319 PMAQI
30th Jul 20253010 PMAQI
30th Jul 20253311 PMAQI
31st Jul 20253212 AMAQI
31st Jul 2025281 AMAQI
31st Jul 2025282 AMAQI
31st Jul 2025283 AMAQI
28°C24/33°C
31st Jul 2025284 AMAQI
31st Jul 2025285 AMAQI
31st Jul 2025286 AMAQI
31st Jul 2025287 AMAQI
31st Jul 2025288 AMAQI
31st Jul 2025289 AMAQI
31st Jul 20252810 AMAQI
31st Jul 20254611 AMAQI
31st Jul 20254412 PMAQI
31st Jul 2025391 PMAQI
31st Jul 2025372 PMAQI
31st Jul 2025323 PMAQI
31st Jul 2025264 PMAQI
31st Jul 2025305 PMAQI
31st Jul 2025376 PMAQI
31st Jul 2025337 PMAQI
31st Jul 2025318 PMAQI
31st Jul 2025309 PMAQI
31st Jul 20253110 PMAQI
31st Jul 20252711 PMAQI
1st Aug 20253012 AMAQI
1st Aug 2025341 AMAQI
1st Aug 2025332 AMAQI
1st Aug 2025363 AMAQI
27°C23/31°C
1st Aug 2025344 AMAQI
1st Aug 2025345 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025367 AMAQI
1st Aug 2025378 AMAQI
1st Aug 2025369 AMAQI
1st Aug 20253310 AMAQI
1st Aug 20253511 AMAQI
1st Aug 20254112 PMAQI
1st Aug 2025381 PMAQI
1st Aug 2025322 PMAQI
1st Aug 2025283 PMAQI
1st Aug 2025434 PMAQI
1st Aug 2025345 PMAQI
1st Aug 2025376 PMAQI
1st Aug 2025247 PMAQI
1st Aug 2025288 PMAQI
1st Aug 2025289 PMAQI
1st Aug 20253110 PMAQI
1st Aug 20252811 PMAQI
2nd Aug 20253012 AMAQI
2nd Aug 2025291 AMAQI
2nd Aug 2025362 AMAQI
2nd Aug 2025373 AMAQI
26°C24/30°C
2nd Aug 2025374 AMAQI
2nd Aug 2025385 AMAQI
2nd Aug 2025386 AMAQI
2nd Aug 2025377 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025319 AMAQI
2nd Aug 20253110 AMAQI
2nd Aug 20254011 AMAQI
2nd Aug 20253412 PMAQI
2nd Aug 2025421 PMAQI
2nd Aug 2025562 PMAQI
2nd Aug 2025563 PMAQI
2nd Aug 2025494 PMAQI
2nd Aug 2025455 PMAQI
2nd Aug 2025546 PMAQI
2nd Aug 2025497 PMAQI
2nd Aug 2025408 PMAQI
2nd Aug 2025379 PMAQI
2nd Aug 20253510 PMAQI
2nd Aug 20253711 PMAQI
3rd Aug 20253112 AMAQI
3rd Aug 2025351 AMAQI
3rd Aug 2025362 AMAQI
3rd Aug 2025383 AMAQI
29°C25/36°C
3rd Aug 2025384 AMAQI
3rd Aug 2025385 AMAQI
3rd Aug 2025386 AMAQI
3rd Aug 2025387 AMAQI
3rd Aug 2025398 AMAQI
3rd Aug 2025449 AMAQI
3rd Aug 20254410 AMAQI
3rd Aug 20254111 AMAQI
3rd Aug 20255612 PMAQI
3rd Aug 2025501 PMAQI
3rd Aug 2025522 PMAQI
3rd Aug 2025443 PMAQI
3rd Aug 2025424 PMAQI
3rd Aug 2025405 PMAQI
3rd Aug 2025496 PMAQI
3rd Aug 2025427 PMAQI
3rd Aug 2025438 PMAQI
3rd Aug 2025389 PMAQI
3rd Aug 20254310 PMAQI
3rd Aug 20253711 PMAQI
4th Aug 20253412 AMAQI
4th Aug 2025361 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025393 AMAQI
29°C26/33°C
4th Aug 2025404 AMAQI
4 AM4th Aug 2025425 AMAQI
4th Aug 2025426 AMAQI
4th Aug 2025407 AMAQI
4th Aug 2025428 AMAQI
4th Aug 2025599 AMAQI
4th Aug 20257210 AMAQI
4th Aug 20257811 AMAQI
11 AM4th Aug 20258012 PMAQI
4th Aug 2025861 PMAQI
4th Aug 2025942 PMAQI
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
43AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
5 PM - 6 PM
38AQI
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. 43), while the lowest AQI was between 5 PM to 6 PM (Avg. 38).
Night time
Avg. Highest Time
1 AM - 3 AM
43AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
7 PM - 8 PM
38AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 3 AM (Avg. 43), while the lowest AQI was between 7 PM to 8 PM (Avg. 38).
2025 Days Vs Air Quality
Yokoshiba, Chiba, Japan
2025
93%
200
7%
14
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Good
200 DaysModerate
14 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2025, 93% of 216 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Yokoshiba, Chiba, 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
33AQI
33AQI
2nd January 2025
30AQI
30AQI
3rd January 2025
25AQI
25AQI
4th January 2025
28AQI
28AQI
5th January 2025
35AQI
35AQI
6th January 2025
56AQI
56AQI
7th January 2025
33AQI
33AQI
8th January 2025
38AQI
38AQI
9th January 2025
29AQI
29AQI
10th January 2025
30AQI
30AQI
11th January 2025
31AQI
31AQI
12th January 2025
28AQI
28AQI
13th January 2025
30AQI
30AQI
14th January 2025
34AQI
34AQI
15th January 2025
38AQI
38AQI
16th January 2025
34AQI
34AQI
17th January 2025
31AQI
31AQI
18th January 2025
34AQI
34AQI
19th January 2025
49AQI
49AQI
20th January 2025
38AQI
38AQI
21st January 2025
40AQI
40AQI
22nd January 2025
41AQI
41AQI
23rd January 2025
45AQI
45AQI
24th January 2025
41AQI
41AQI
25th January 2025
35AQI
35AQI
26th January 2025
35AQI
35AQI
27th January 2025
34AQI
34AQI
28th January 2025
37AQI
37AQI
29th January 2025
31AQI
31AQI
30th January 2025
33AQI
33AQI
31st January 2025
30AQI
30AQI
1st February 2025
36AQI
36AQI
2nd February 2025
28AQI
28AQI
3rd February 2025
32AQI
32AQI
4th February 2025
32AQI
32AQI
5th February 2025
32AQI
32AQI
6th February 2025
30AQI
30AQI
7th February 2025
30AQI
30AQI
8th February 2025
31AQI
31AQI
9th February 2025
31AQI
31AQI
10th February 2025
32AQI
32AQI
11th February 2025
31AQI
31AQI
12th February 2025
31AQI
31AQI
13th February 2025
42AQI
42AQI
14th February 2025
30AQI
30AQI
15th February 2025
48AQI
48AQI
16th February 2025
39AQI
39AQI
17th February 2025
39AQI
39AQI
18th February 2025
32AQI
32AQI
19th February 2025
31AQI
31AQI
20th February 2025
30AQI
30AQI
21st February 2025
30AQI
30AQI
22nd February 2025
31AQI
31AQI
23rd February 2025
31AQI
31AQI
24th February 2025
33AQI
33AQI
25th February 2025
34AQI
34AQI
26th February 2025
35AQI
35AQI
27th February 2025
39AQI
39AQI
28th February 2025
50AQI
50AQI
1st March 2025
47AQI
47AQI
2nd March 2025
60AQI
60AQI
3rd March 2025
39AQI
39AQI
4th March 2025
40AQI
40AQI
5th March 2025
28AQI
28AQI
6th March 2025
29AQI
29AQI
7th March 2025
32AQI
32AQI
8th March 2025
33AQI
33AQI
9th March 2025
33AQI
33AQI
10th March 2025
36AQI
36AQI
11th March 2025
34AQI
34AQI
12th March 2025
37AQI
37AQI
13th March 2025
40AQI
40AQI
14th March 2025
35AQI
35AQI
15th March 2025
33AQI
33AQI
16th March 2025
21AQI
21AQI
17th March 2025
19AQI
19AQI
18th March 2025
20AQI
20AQI
19th March 2025
18AQI
18AQI
20th March 2025
20AQI
20AQI
21st March 2025
36AQI
36AQI
22nd March 2025
46AQI
46AQI
23rd March 2025
52AQI
52AQI
24th March 2025
49AQI
49AQI
25th March 2025
63AQI
63AQI
26th March 2025
75AQI
75AQI
27th March 2025
71AQI
71AQI
28th March 2025
46AQI
46AQI
29th March 2025
39AQI
39AQI
30th March 2025
41AQI
41AQI
31st March 2025
32AQI
32AQI
1st April 2025
31AQI
31AQI
2nd April 2025
23AQI
23AQI
3rd April 2025
21AQI
21AQI
4th April 2025
22AQI
22AQI
5th April 2025
23AQI
23AQI
6th April 2025
23AQI
23AQI
7th April 2025
29AQI
29AQI
8th April 2025
33AQI
33AQI
9th April 2025
29AQI
29AQI
10th April 2025
44AQI
44AQI
11th April 2025
38AQI
38AQI
12th April 2025
36AQI
36AQI
13th April 2025
28AQI
28AQI
14th April 2025
39AQI
39AQI
15th April 2025
29AQI
29AQI
16th April 2025
33AQI
33AQI
17th April 2025
40AQI
40AQI
18th April 2025
48AQI
48AQI
19th April 2025
55AQI
55AQI
20th April 2025
48AQI
48AQI
21st April 2025
44AQI
44AQI
22nd April 2025
42AQI
42AQI
23rd April 2025
33AQI
33AQI
24th April 2025
37AQI
37AQI
25th April 2025
36AQI
36AQI
26th April 2025
43AQI
43AQI
27th April 2025
46AQI
46AQI
28th April 2025
40AQI
40AQI
29th April 2025
37AQI
37AQI
30th April 2025
42AQI
42AQI
1st May 2025
33AQI
33AQI
2nd May 2025
33AQI
33AQI
3rd May 2025
29AQI
29AQI
4th May 2025
37AQI
37AQI
5th May 2025
30AQI
30AQI
6th May 2025
25AQI
25AQI
7th May 2025
21AQI
21AQI
8th May 2025
25AQI
25AQI
9th May 2025
26AQI
26AQI
10th May 2025
23AQI
23AQI
11th May 2025
32AQI
32AQI
12th May 2025
29AQI
29AQI
13th May 2025
38AQI
38AQI
14th May 2025
27AQI
27AQI
15th May 2025
37AQI
37AQI
16th May 2025
37AQI
37AQI
17th May 2025
27AQI
27AQI
18th May 2025
42AQI
42AQI
19th May 2025
41AQI
41AQI
20th May 2025
61AQI
61AQI
21st May 2025
41AQI
41AQI
22nd May 2025
42AQI
42AQI
23rd May 2025
38AQI
38AQI
24th May 2025
40AQI
40AQI
25th May 2025
34AQI
34AQI
26th May 2025
28AQI
28AQI
27th May 2025
30AQI
30AQI
28th May 2025
24AQI
24AQI
29th May 2025
25AQI
25AQI
30th May 2025
23AQI
23AQI
31st May 2025
19AQI
19AQI
1st June 2025
23AQI
23AQI
2nd June 2025
26AQI
26AQI
3rd June 2025
30AQI
30AQI
4th June 2025
27AQI
27AQI
5th June 2025
38AQI
38AQI
6th June 2025
44AQI
44AQI
7th June 2025
44AQI
44AQI
8th June 2025
57AQI
57AQI
9th June 2025
37AQI
37AQI
10th June 2025
31AQI
31AQI
11th June 2025
26AQI
26AQI
12th June 2025
34AQI
34AQI
13th June 2025
30AQI
30AQI
14th June 2025
29AQI
29AQI
15th June 2025
33AQI
33AQI
16th June 2025
31AQI
31AQI
17th June 2025
43AQI
43AQI
18th June 2025
40AQI
40AQI
19th June 2025
38AQI
38AQI
20th June 2025
34AQI
34AQI
21st June 2025
25AQI
25AQI
22nd June 2025
14AQI
14AQI
23rd June 2025
19AQI
19AQI
24th June 2025
20AQI
20AQI
25th June 2025
23AQI
23AQI
26th June 2025
22AQI
22AQI
27th June 2025
34AQI
34AQI
28th June 2025
31AQI
31AQI
29th June 2025
32AQI
32AQI
30th June 2025
36AQI
36AQI
1st July 2025
38AQI
38AQI
2nd July 2025
37AQI
37AQI
3rd July 2025
34AQI
34AQI
4th July 2025
34AQI
34AQI
5th July 2025
45AQI
45AQI
6th July 2025
71AQI
71AQI
7th July 2025
77AQI
77AQI
8th July 2025
76AQI
76AQI
9th July 2025
63AQI
63AQI
10th July 2025
51AQI
51AQI
11th July 2025
46AQI
46AQI
12th July 2025
48AQI
48AQI
13th July 2025
44AQI
44AQI
14th July 2025
39AQI
39AQI
15th July 2025
45AQI
45AQI
16th July 2025
39AQI
39AQI
17th July 2025
41AQI
41AQI
18th July 2025
35AQI
35AQI
19th July 2025
31AQI
31AQI
20th July 2025
31AQI
31AQI
21st July 2025
32AQI
32AQI
22nd July 2025
31AQI
31AQI
23rd July 2025
29AQI
29AQI
24th July 2025
31AQI
31AQI
25th July 2025
29AQI
29AQI
26th July 2025
28AQI
28AQI
27th July 2025
26AQI
26AQI
28th July 2025
28AQI
28AQI
29th July 2025
26AQI
26AQI
30th July 2025
29AQI
29AQI
31st July 2025
31AQI
31AQI
1st August 2025
33AQI
33AQI
2nd August 2025
40AQI
40AQI
35AQI
34AQI
39AQI
36AQI
32AQI
32AQI
40AQI
37AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202535AQI
30
1
28
26
5
29
1
30
1
29
1
26
5
2
200
14
Highest AQI recorded in
July40AQI
Lowest AQI recorded in
June32AQI
202436AQI
26
5
27
2
25
6
23
7
28
3
29
1
22
9
31
30
31
30
31
333
33
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
August25AQI
202338AQI
23
8
24
4
27
4
24
6
29
2
24
6
27
4
29
2
29
1
31
24
5
21
10
312
52
Highest AQI recorded in
April45AQI
Lowest AQI recorded in
August28AQI
202239AQI
27
4
18
3
23
8
25
5
28
3
26
4
21
3
1
27
1
29
2
23
7
25
6
273
46
Highest AQI recorded in
March45AQI
Lowest AQI recorded in
August31AQI
202137AQI
21
9
1
20
8
27
4
28
2
26
5
27
3
28
3
26
5
28
2
30
1
25
5
21
10
307
57
1
Highest AQI recorded in
January46AQI
Lowest AQI recorded in
August30AQI
202035AQI
11
2
20
1
18
25
5
30
1
21
10
19
29
2
23
7
18
13
214
41
Highest AQI recorded in
December44AQI
Lowest AQI recorded in
May26AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
39AQILeast Polluted Year Recorded
2020(Avg.)
35AQIYokoshiba's annual 2025 AQI (35) shows an average percentage change of -3.8% (improved AQI) compared to previous years: 2020 (35), 2021 (37), 2022 (39), 2023 (38), 2024 (36).
