Miyanogicho, Yotsukaido, 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
Miyanogicho, Yotsukaido, Chiba, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
67AQILowest AQI recorded on
7th Aug 2021
15AQISame Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 60 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Miyanogicho, Yotsukaido, Chiba, Japan
AQI
Day
Night
.
4 AM5th Aug 2025
6 PM
3 AM6th Aug 2025
Day time
Avg. Highest Time
10AM5th Aug
67AQI
Avg. Lowest Time
6PM5th Aug
44AQI
Night time
Avg. Highest Time
2AM6th Aug
50AQI
Avg. Lowest Time
12AM6th Aug
46AQI
In the last 24 hours,
Miyanogicho's AQI reached its highest point of 67 at 10 AM during the Day, while the lowest point, 44, was recorded at 6 PM during the Day between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Miyanogicho, Yotsukaido, Chiba, Japan
JulAug
07th - 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 - 06th06th
Day
Night
7th Jul 2025494 AMAQI
7th Jul 2025565 AMAQI
7th Jul 2025566 AMAQI
7th Jul 2025557 AMAQI
7th Jul 2025568 AMAQI
7th Jul 2025909 AMAQI
7th Jul 202510310 AMAQI
7th Jul 202511511 AMAQI
7th Jul 202510012 PMAQI
7th Jul 2025831 PMAQI
7th Jul 2025862 PMAQI
7th Jul 2025883 PMAQI
7th Jul 2025814 PMAQI
7th Jul 2025785 PMAQI
7th Jul 2025846 PMAQI
7th Jul 2025887 PMAQI
7th Jul 2025868 PMAQI
7th Jul 2025769 PMAQI
7th Jul 20257610 PMAQI
7th Jul 20257611 PMAQI
8th Jul 20257012 AMAQI
8th Jul 2025611 AMAQI
8th Jul 2025562 AMAQI
8th Jul 2025563 AMAQI
29°C26/33°C
8th Jul 2025584 AMAQI
8th Jul 2025645 AMAQI
8th Jul 2025636 AMAQI
8th Jul 2025637 AMAQI
8th Jul 2025638 AMAQI
8th Jul 2025909 AMAQI
8th Jul 202510010 AMAQI
8th Jul 20259911 AMAQI
8th Jul 20259412 PMAQI
8th Jul 2025971 PMAQI
8th Jul 2025892 PMAQI
8th Jul 2025863 PMAQI
8th Jul 2025944 PMAQI
8th Jul 20251005 PMAQI
8th Jul 20251106 PMAQI
8th Jul 20251007 PMAQI
8th Jul 2025978 PMAQI
8th Jul 2025769 PMAQI
8th Jul 20257810 PMAQI
8th Jul 20258011 PMAQI
9th Jul 20257712 AMAQI
9th Jul 2025651 AMAQI
9th Jul 2025632 AMAQI
9th Jul 2025633 AMAQI
29°C26/33°C
9th Jul 2025644 AMAQI
9th Jul 2025705 AMAQI
9th Jul 2025706 AMAQI
9th Jul 2025707 AMAQI
9th Jul 2025698 AMAQI
9th Jul 2025809 AMAQI
9th Jul 20258710 AMAQI
9th Jul 20259411 AMAQI
9th Jul 20259912 PMAQI
9th Jul 2025991 PMAQI
9th Jul 20251012 PMAQI
9th Jul 20251123 PMAQI
9th Jul 20251114 PMAQI
9th Jul 2025845 PMAQI
9th Jul 2025626 PMAQI
9th Jul 2025567 PMAQI
9th Jul 2025558 PMAQI
9th Jul 2025599 PMAQI
9th Jul 20256010 PMAQI
9th Jul 20255911 PMAQI
10th Jul 20255912 AMAQI
10th Jul 2025661 AMAQI
10th Jul 2025682 AMAQI
10th Jul 2025683 AMAQI
29°C26/32°C
10th Jul 2025694 AMAQI
10th Jul 2025755 AMAQI
10th Jul 2025746 AMAQI
10th Jul 2025757 AMAQI
10th Jul 2025748 AMAQI
10th Jul 2025409 AMAQI
10th Jul 20253110 AMAQI
10th Jul 20253811 AMAQI
10th Jul 20253912 PMAQI
10th Jul 2025411 PMAQI
10th Jul 2025382 PMAQI
10th Jul 2025393 PMAQI
10th Jul 2025414 PMAQI
10th Jul 2025415 PMAQI
10th Jul 2025486 PMAQI
10th Jul 2025467 PMAQI
10th Jul 2025528 PMAQI
10th Jul 2025599 PMAQI
10th Jul 20255810 PMAQI
10th Jul 20255811 PMAQI
11th Jul 20255912 AMAQI
11th Jul 2025661 AMAQI
11th Jul 2025702 AMAQI
11th Jul 2025703 AMAQI
27°C22/32°C
11th Jul 2025684 AMAQI
11th Jul 2025645 AMAQI
11th Jul 2025646 AMAQI
11th Jul 2025647 AMAQI
11th Jul 2025638 AMAQI
11th Jul 2025309 AMAQI
11th Jul 20251710 AMAQI
11th Jul 20251811 AMAQI
11th Jul 20252212 PMAQI
11th Jul 2025351 PMAQI
11th Jul 2025362 PMAQI
11th Jul 2025363 PMAQI
11th Jul 2025364 PMAQI
11th Jul 2025365 PMAQI
11th Jul 2025366 PMAQI
11th Jul 2025387 PMAQI
11th Jul 2025458 PMAQI
11th Jul 2025579 PMAQI
11th Jul 20255710 PMAQI
11th Jul 20255711 PMAQI
12th Jul 20255712 AMAQI
12th Jul 2025631 AMAQI
12th Jul 2025652 AMAQI
12th Jul 2025653 AMAQI
23°C22/26°C
12th Jul 2025634 AMAQI
12th Jul 2025605 AMAQI
12th Jul 2025596 AMAQI
12th Jul 2025597 AMAQI
12th Jul 2025598 AMAQI
12th Jul 2025429 AMAQI
12th Jul 20253710 AMAQI
12th Jul 20253911 AMAQI
12th Jul 20254012 PMAQI
12th Jul 2025461 PMAQI
12th Jul 2025422 PMAQI
12th Jul 2025413 PMAQI
12th Jul 2025424 PMAQI
12th Jul 2025405 PMAQI
12th Jul 2025426 PMAQI
12th Jul 2025457 PMAQI
12th Jul 2025488 PMAQI
12th Jul 2025559 PMAQI
12th Jul 20255510 PMAQI
12th Jul 20255511 PMAQI
13th Jul 20255512 AMAQI
13th Jul 2025591 AMAQI
13th Jul 2025612 AMAQI
13th Jul 2025613 AMAQI
24°C21/27°C
13th Jul 2025604 AMAQI
13th Jul 2025585 AMAQI
13th Jul 2025586 AMAQI
13th Jul 2025587 AMAQI
13th Jul 2025588 AMAQI
13th Jul 2025469 AMAQI
13th Jul 20253610 AMAQI
13th Jul 20253711 AMAQI
13th Jul 20254012 PMAQI
13th Jul 2025441 PMAQI
13th Jul 2025412 PMAQI
13th Jul 2025373 PMAQI
13th Jul 2025354 PMAQI
13th Jul 2025355 PMAQI
13th Jul 2025366 PMAQI
13th Jul 2025327 PMAQI
13th Jul 2025348 PMAQI
13th Jul 2025529 PMAQI
13th Jul 20255210 PMAQI
13th Jul 20255211 PMAQI
14th Jul 20255212 AMAQI
14th Jul 2025551 AMAQI
14th Jul 2025582 AMAQI
14th Jul 2025593 AMAQI
26°C23/29°C
14th Jul 2025584 AMAQI
14th Jul 2025565 AMAQI
14th Jul 2025566 AMAQI
14th Jul 2025567 AMAQI
14th Jul 2025568 AMAQI
14th Jul 2025309 AMAQI
14th Jul 20251810 AMAQI
14th Jul 20251711 AMAQI
14th Jul 20251712 PMAQI
14th Jul 2025221 PMAQI
14th Jul 2025242 PMAQI
14th Jul 2025253 PMAQI
14th Jul 2025264 PMAQI
14th Jul 2025265 PMAQI
14th Jul 2025316 PMAQI
14th Jul 2025317 PMAQI
14th Jul 2025348 PMAQI
14th Jul 2025499 PMAQI
14th Jul 20254810 PMAQI
14th Jul 20254911 PMAQI
15th Jul 20254812 AMAQI
15th Jul 2025521 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025563 AMAQI
25°C24/28°C
15th Jul 2025564 AMAQI
15th Jul 2025535 AMAQI
15th Jul 2025536 AMAQI
15th Jul 2025537 AMAQI
15th Jul 2025538 AMAQI
15th Jul 2025289 AMAQI
15th Jul 20252010 AMAQI
15th Jul 20252011 AMAQI
15th Jul 20252012 PMAQI
15th Jul 2025231 PMAQI
15th Jul 2025242 PMAQI
15th Jul 2025243 PMAQI
15th Jul 2025284 PMAQI
15th Jul 2025265 PMAQI
15th Jul 2025256 PMAQI
15th Jul 2025257 PMAQI
15th Jul 2025288 PMAQI
15th Jul 2025419 PMAQI
15th Jul 20254210 PMAQI
15th Jul 20254211 PMAQI
16th Jul 20254412 AMAQI
16th Jul 2025501 AMAQI
16th Jul 2025532 AMAQI
16th Jul 2025533 AMAQI
26°C25/28°C
16th Jul 2025534 AMAQI
16th Jul 2025515 AMAQI
16th Jul 2025506 AMAQI
16th Jul 2025507 AMAQI
16th Jul 2025518 AMAQI
16th Jul 2025369 AMAQI
16th Jul 20252610 AMAQI
16th Jul 20252711 AMAQI
16th Jul 20252612 PMAQI
16th Jul 2025241 PMAQI
16th Jul 2025222 PMAQI
16th Jul 2025213 PMAQI
16th Jul 2025204 PMAQI
16th Jul 2025205 PMAQI
16th Jul 2025226 PMAQI
16th Jul 2025247 PMAQI
16th Jul 2025288 PMAQI
16th Jul 2025359 PMAQI
16th Jul 20253310 PMAQI
16th Jul 20253811 PMAQI
17th Jul 20254112 AMAQI
17th Jul 2025451 AMAQI
17th Jul 2025482 AMAQI
17th Jul 2025523 AMAQI
26°C25/27°C
17th Jul 2025504 AMAQI
17th Jul 2025475 AMAQI
17th Jul 2025486 AMAQI
17th Jul 2025477 AMAQI
17th Jul 2025468 AMAQI
17th Jul 2025349 AMAQI
17th Jul 20253210 AMAQI
17th Jul 20253011 AMAQI
17th Jul 20253312 PMAQI
17th Jul 2025341 PMAQI
17th Jul 2025402 PMAQI
17th Jul 2025453 PMAQI
17th Jul 2025394 PMAQI
17th Jul 2025365 PMAQI
17th Jul 2025326 PMAQI
17th Jul 2025337 PMAQI
17th Jul 2025398 PMAQI
17th Jul 2025469 PMAQI
17th Jul 20255010 PMAQI
17th Jul 20254811 PMAQI
18th Jul 20254312 AMAQI
18th Jul 2025461 AMAQI
18th Jul 2025462 AMAQI
18th Jul 2025483 AMAQI
27°C25/30°C
18th Jul 2025484 AMAQI
18th Jul 2025465 AMAQI
18th Jul 2025466 AMAQI
18th Jul 2025467 AMAQI
18th Jul 2025468 AMAQI
18th Jul 2025349 AMAQI
18th Jul 20253210 AMAQI
18th Jul 20253011 AMAQI
18th Jul 20252612 PMAQI
18th Jul 2025301 PMAQI
18th Jul 2025282 PMAQI
18th Jul 2025303 PMAQI
18th Jul 2025294 PMAQI
18th Jul 2025285 PMAQI
18th Jul 2025236 PMAQI
18th Jul 2025257 PMAQI
18th Jul 2025308 PMAQI
18th Jul 2025379 PMAQI
18th Jul 20253810 PMAQI
18th Jul 20254211 PMAQI
19th Jul 20254512 AMAQI
19th Jul 2025431 AMAQI
19th Jul 2025442 AMAQI
19th Jul 2025463 AMAQI
27°C25/31°C
19th Jul 2025464 AMAQI
19th Jul 2025435 AMAQI
19th Jul 2025436 AMAQI
19th Jul 2025437 AMAQI
19th Jul 2025438 AMAQI
19th Jul 2025299 AMAQI
19th Jul 20252910 AMAQI
19th Jul 20253411 AMAQI
19th Jul 20252712 PMAQI
19th Jul 2025231 PMAQI
19th Jul 2025222 PMAQI
19th Jul 2025213 PMAQI
19th Jul 2025244 PMAQI
19th Jul 2025275 PMAQI
19th Jul 2025266 PMAQI
19th Jul 2025287 PMAQI
19th Jul 2025318 PMAQI
19th Jul 2025379 PMAQI
19th Jul 20253710 PMAQI
19th Jul 20253711 PMAQI
20th Jul 20253612 AMAQI
20th Jul 2025401 AMAQI
20th Jul 2025442 AMAQI
20th Jul 2025443 AMAQI
27°C25/30°C
20th Jul 2025434 AMAQI
20th Jul 2025415 AMAQI
20th Jul 2025426 AMAQI
20th Jul 2025407 AMAQI
20th Jul 2025418 AMAQI
20th Jul 2025349 AMAQI
20th Jul 20252410 AMAQI
20th Jul 20252511 AMAQI
20th Jul 20252912 PMAQI
20th Jul 2025301 PMAQI
20th Jul 2025222 PMAQI
20th Jul 2025213 PMAQI
20th Jul 2025224 PMAQI
20th Jul 2025235 PMAQI
20th Jul 2025296 PMAQI
20th Jul 2025287 PMAQI
20th Jul 2025288 PMAQI
20th Jul 2025349 PMAQI
20th Jul 20253410 PMAQI
20th Jul 20253811 PMAQI
21st Jul 20253812 AMAQI
21st Jul 2025401 AMAQI
21st Jul 2025412 AMAQI
21st Jul 2025423 AMAQI
28°C25/31°C
21st Jul 2025404 AMAQI
21st Jul 2025385 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025387 AMAQI
21st Jul 2025388 AMAQI
21st Jul 2025299 AMAQI
21st Jul 20252810 AMAQI
21st Jul 20253411 AMAQI
21st Jul 20253312 PMAQI
21st Jul 2025331 PMAQI
21st Jul 2025332 PMAQI
21st Jul 2025353 PMAQI
21st Jul 2025354 PMAQI
21st Jul 2025345 PMAQI
21st Jul 2025326 PMAQI
21st Jul 2025317 PMAQI
21st Jul 2025328 PMAQI
21st Jul 2025369 PMAQI
21st Jul 20253510 PMAQI
21st Jul 20253411 PMAQI
22nd Jul 20253312 AMAQI
22nd Jul 2025381 AMAQI
22nd Jul 2025402 AMAQI
22nd Jul 2025393 AMAQI
29°C26/32°C
22nd Jul 2025384 AMAQI
22nd Jul 2025385 AMAQI
22nd Jul 2025386 AMAQI
22nd Jul 2025387 AMAQI
22nd Jul 2025388 AMAQI
22nd Jul 2025289 AMAQI
22nd Jul 20252910 AMAQI
22nd Jul 20252911 AMAQI
22nd Jul 20253012 PMAQI
22nd Jul 2025361 PMAQI
22nd Jul 2025452 PMAQI
22nd Jul 2025453 PMAQI
22nd Jul 2025404 PMAQI
22nd Jul 2025365 PMAQI
22nd Jul 2025306 PMAQI
22nd Jul 2025267 PMAQI
22nd Jul 2025268 PMAQI
22nd Jul 2025309 PMAQI
22nd Jul 20253010 PMAQI
22nd Jul 20253011 PMAQI
23rd Jul 20253412 AMAQI
23rd Jul 2025351 AMAQI
23rd Jul 2025372 AMAQI
23rd Jul 2025383 AMAQI
29°C26/33°C
23rd Jul 2025384 AMAQI
23rd Jul 2025385 AMAQI
23rd Jul 2025386 AMAQI
23rd Jul 2025387 AMAQI
23rd Jul 2025388 AMAQI
23rd Jul 2025289 AMAQI
23rd Jul 20253310 AMAQI
23rd Jul 20253511 AMAQI
23rd Jul 20254212 PMAQI
23rd Jul 2025501 PMAQI
23rd Jul 2025502 PMAQI
23rd Jul 2025443 PMAQI
23rd Jul 2025424 PMAQI
23rd Jul 2025395 PMAQI
23rd Jul 2025376 PMAQI
23rd Jul 2025287 PMAQI
23rd Jul 2025288 PMAQI
23rd Jul 2025329 PMAQI
23rd Jul 20253010 PMAQI
23rd Jul 20252611 PMAQI
24th Jul 20253712 AMAQI
24th Jul 2025371 AMAQI
24th Jul 2025382 AMAQI
24th Jul 2025383 AMAQI
29°C26/33°C
24th Jul 2025384 AMAQI
24th Jul 2025405 AMAQI
24th Jul 2025396 AMAQI
24th Jul 2025387 AMAQI
24th Jul 2025388 AMAQI
24th Jul 2025309 AMAQI
24th Jul 20253210 AMAQI
24th Jul 20253811 AMAQI
24th Jul 20255012 PMAQI
24th Jul 2025561 PMAQI
24th Jul 2025602 PMAQI
24th Jul 2025603 PMAQI
24th Jul 2025504 PMAQI
24th Jul 2025385 PMAQI
24th Jul 2025356 PMAQI
24th Jul 2025267 PMAQI
24th Jul 2025268 PMAQI
24th Jul 2025309 PMAQI
24th Jul 20253010 PMAQI
24th Jul 20253411 PMAQI
25th Jul 20253412 AMAQI
25th Jul 2025351 AMAQI
25th Jul 2025362 AMAQI
25th Jul 2025383 AMAQI
29°C25/34°C
25th Jul 2025394 AMAQI
25th Jul 2025415 AMAQI
25th Jul 2025426 AMAQI
25th Jul 2025417 AMAQI
25th Jul 2025408 AMAQI
25th Jul 2025289 AMAQI
25th Jul 20253010 AMAQI
25th Jul 20254511 AMAQI
25th Jul 20254012 PMAQI
25th Jul 2025411 PMAQI
25th Jul 2025392 PMAQI
25th Jul 2025283 PMAQI
25th Jul 2025284 PMAQI
25th Jul 2025235 PMAQI
25th Jul 2025206 PMAQI
25th Jul 2025167 PMAQI
25th Jul 2025218 PMAQI
25th Jul 2025279 PMAQI
25th Jul 20253210 PMAQI
25th Jul 20253411 PMAQI
26th Jul 20253412 AMAQI
26th Jul 2025331 AMAQI
26th Jul 2025352 AMAQI
26th Jul 2025383 AMAQI
29°C26/33°C
26th Jul 2025384 AMAQI
26th Jul 2025385 AMAQI
26th Jul 2025386 AMAQI
26th Jul 2025387 AMAQI
26th Jul 2025388 AMAQI
26th Jul 2025289 AMAQI
26th Jul 20253010 AMAQI
26th Jul 20253811 AMAQI
26th Jul 20253912 PMAQI
26th Jul 2025371 PMAQI
26th Jul 2025342 PMAQI
26th Jul 2025303 PMAQI
26th Jul 2025314 PMAQI
26th Jul 2025265 PMAQI
26th Jul 2025226 PMAQI
26th Jul 2025207 PMAQI
26th Jul 2025248 PMAQI
26th Jul 2025309 PMAQI
26th Jul 20253210 PMAQI
26th Jul 20253511 PMAQI
27th Jul 20253312 AMAQI
27th Jul 2025321 AMAQI
27th Jul 2025362 AMAQI
27th Jul 2025363 AMAQI
29°C26/33°C
27th Jul 2025364 AMAQI
27th Jul 2025365 AMAQI
27th Jul 2025366 AMAQI
27th Jul 2025367 AMAQI
27th Jul 2025368 AMAQI
27th Jul 2025279 AMAQI
27th Jul 20252210 AMAQI
27th Jul 20253411 AMAQI
27th Jul 20253512 PMAQI
27th Jul 2025311 PMAQI
27th Jul 2025332 PMAQI
27th Jul 2025323 PMAQI
27th Jul 2025244 PMAQI
27th Jul 2025245 PMAQI
27th Jul 2025246 PMAQI
27th Jul 2025207 PMAQI
27th Jul 2025228 PMAQI
27th Jul 2025279 PMAQI
27th Jul 20252910 PMAQI
27th Jul 20253211 PMAQI
28th Jul 20253212 AMAQI
28th Jul 2025331 AMAQI
28th Jul 2025352 AMAQI
28th Jul 2025363 AMAQI
29°C26/33°C
28th Jul 2025344 AMAQI
28th Jul 2025345 AMAQI
28th Jul 2025356 AMAQI
28th Jul 2025347 AMAQI
28th Jul 2025348 AMAQI
28th Jul 2025299 AMAQI
28th Jul 20252810 AMAQI
28th Jul 20253711 AMAQI
28th Jul 20255012 PMAQI
28th Jul 2025581 PMAQI
28th Jul 2025592 PMAQI
28th Jul 2025573 PMAQI
28th Jul 2025564 PMAQI
28th Jul 2025485 PMAQI
28th Jul 2025406 PMAQI
28th Jul 2025327 PMAQI
28th Jul 2025328 PMAQI
28th Jul 2025339 PMAQI
28th Jul 20252810 PMAQI
28th Jul 20252811 PMAQI
29th Jul 20253012 AMAQI
29th Jul 2025301 AMAQI
29th Jul 2025322 AMAQI
29th Jul 2025333 AMAQI
29°C26/34°C
29th Jul 2025364 AMAQI
29th Jul 2025395 AMAQI
29th Jul 2025386 AMAQI
29th Jul 2025387 AMAQI
29th Jul 2025378 AMAQI
29th Jul 2025329 AMAQI
29th Jul 20253610 AMAQI
29th Jul 20253511 AMAQI
29th Jul 20253512 PMAQI
29th Jul 2025381 PMAQI
29th Jul 2025402 PMAQI
29th Jul 2025353 PMAQI
29th Jul 2025284 PMAQI
29th Jul 2025195 PMAQI
29th Jul 2025186 PMAQI
29th Jul 2025177 PMAQI
29th Jul 2025228 PMAQI
29th Jul 2025279 PMAQI
29th Jul 20252910 PMAQI
29th Jul 20252811 PMAQI
30th Jul 20252712 AMAQI
30th Jul 2025301 AMAQI
30th Jul 2025322 AMAQI
30th Jul 2025343 AMAQI
29°C25/35°C
30th Jul 2025354 AMAQI
30th Jul 2025355 AMAQI
30th Jul 2025356 AMAQI
30th Jul 2025367 AMAQI
30th Jul 2025358 AMAQI
30th Jul 2025249 AMAQI
30th Jul 20252310 AMAQI
30th Jul 20252411 AMAQI
30th Jul 20252412 PMAQI
30th Jul 2025221 PMAQI
30th Jul 2025222 PMAQI
30th Jul 2025223 PMAQI
30th Jul 2025234 PMAQI
30th Jul 2025285 PMAQI
30th Jul 2025276 PMAQI
30th Jul 2025397 PMAQI
30th Jul 2025388 PMAQI
30th Jul 2025389 PMAQI
30th Jul 20254010 PMAQI
30th Jul 20253611 PMAQI
31st Jul 20253512 AMAQI
31st Jul 2025361 AMAQI
31st Jul 2025332 AMAQI
31st Jul 2025323 AMAQI
29°C25/33°C
31st Jul 2025324 AMAQI
31st Jul 2025325 AMAQI
31st Jul 2025326 AMAQI
31st Jul 2025327 AMAQI
31st Jul 2025328 AMAQI
31st Jul 2025329 AMAQI
31st Jul 20253210 AMAQI
31st Jul 20253211 AMAQI
31st Jul 20253212 PMAQI
31st Jul 2025331 PMAQI
31st Jul 2025292 PMAQI
31st Jul 2025253 PMAQI
31st Jul 2025224 PMAQI
31st Jul 2025225 PMAQI
31st Jul 2025226 PMAQI
31st Jul 2025287 PMAQI
31st Jul 2025318 PMAQI
31st Jul 2025289 PMAQI
31st Jul 20252910 PMAQI
31st Jul 20252611 PMAQI
1st Aug 20252812 AMAQI
1st Aug 2025321 AMAQI
1st Aug 2025332 AMAQI
1st Aug 2025343 AMAQI
27°C24/32°C
1st Aug 2025354 AMAQI
1st Aug 2025345 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025347 AMAQI
1st Aug 2025368 AMAQI
1st Aug 2025409 AMAQI
1st Aug 20252610 AMAQI
1st Aug 20254011 AMAQI
1st Aug 20254012 PMAQI
1st Aug 2025381 PMAQI
1st Aug 2025332 PMAQI
1st Aug 2025243 PMAQI
1st Aug 2025424 PMAQI
1st Aug 2025295 PMAQI
1st Aug 2025366 PMAQI
1st Aug 2025237 PMAQI
1st Aug 2025308 PMAQI
1st Aug 2025289 PMAQI
1st Aug 20252910 PMAQI
1st Aug 20252811 PMAQI
2nd Aug 20252812 AMAQI
2nd Aug 2025291 AMAQI
2nd Aug 2025362 AMAQI
2nd Aug 2025363 AMAQI
27°C25/30°C
2nd Aug 2025374 AMAQI
2nd Aug 2025375 AMAQI
2nd Aug 2025396 AMAQI
2nd Aug 2025377 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025329 AMAQI
2nd Aug 20253210 AMAQI
2nd Aug 20254311 AMAQI
2nd Aug 20253112 PMAQI
2nd Aug 2025451 PMAQI
2nd Aug 2025562 PMAQI
2nd Aug 2025563 PMAQI
2nd Aug 2025534 PMAQI
2nd Aug 2025535 PMAQI
2nd Aug 2025546 PMAQI
2nd Aug 2025537 PMAQI
2nd Aug 2025398 PMAQI
2nd Aug 2025389 PMAQI
2nd Aug 20253610 PMAQI
2nd Aug 20253911 PMAQI
3rd Aug 20253212 AMAQI
3rd Aug 2025351 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025373 AMAQI
29°C25/34°C
3rd Aug 2025404 AMAQI
3rd Aug 2025395 AMAQI
3rd Aug 2025386 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025388 AMAQI
3rd Aug 2025499 AMAQI
3rd Aug 20255010 AMAQI
3rd Aug 20255211 AMAQI
3rd Aug 20256012 PMAQI
3rd Aug 2025551 PMAQI
3rd Aug 2025562 PMAQI
3rd Aug 2025493 PMAQI
3rd Aug 2025504 PMAQI
3rd Aug 2025545 PMAQI
3rd Aug 2025546 PMAQI
3rd Aug 2025467 PMAQI
3rd Aug 2025468 PMAQI
3rd Aug 2025429 PMAQI
3rd Aug 20254510 PMAQI
3rd Aug 20254011 PMAQI
4th Aug 20253812 AMAQI
4th Aug 2025381 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025403 AMAQI
30°C26/34°C
4th Aug 2025424 AMAQI
4th Aug 2025425 AMAQI
4th Aug 2025426 AMAQI
4th Aug 2025427 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025629 AMAQI
4th Aug 20257010 AMAQI
4th Aug 20258111 AMAQI
4th Aug 20258412 PMAQI
4th Aug 2025911 PMAQI
4th Aug 20251002 PMAQI
4th Aug 2025843 PMAQI
4th Aug 2025914 PMAQI
4th Aug 2025925 PMAQI
4th Aug 2025866 PMAQI
4th Aug 2025737 PMAQI
4th Aug 2025678 PMAQI
4th Aug 2025589 PMAQI
4th Aug 20255410 PMAQI
4th Aug 20254611 PMAQI
5th Aug 20254812 AMAQI
5th Aug 2025441 AMAQI
5th Aug 2025412 AMAQI
5th Aug 2025403 AMAQI
30°C27/33°C
5th Aug 2025504 AMAQI
5th Aug 2025545 AMAQI
5th Aug 2025536 AMAQI
5th Aug 2025517 AMAQI
5th Aug 2025548 AMAQI
5th Aug 2025569 AMAQI
5th Aug 20256710 AMAQI
5th Aug 20256011 AMAQI
5th Aug 20256012 PMAQI
5th Aug 2025561 PMAQI
5th Aug 2025562 PMAQI
5th Aug 2025563 PMAQI
5th Aug 2025594 PMAQI
5th Aug 2025515 PMAQI
5th Aug 2025446 PMAQI
5th Aug 2025467 PMAQI
5th Aug 2025488 PMAQI
5th Aug 2025499 PMAQI
5th Aug 20254810 PMAQI
5th Aug 20254611 PMAQI
6th Aug 20254612 AMAQI
6th Aug 2025481 AMAQI
6th Aug 2025502 AMAQI
6th Aug 2025503 AMAQI
30°C27/34°C
6th Aug 2025524 AMAQI
4 AM6th Aug 2025525 AMAQI
6th Aug 2025526 AMAQI
6th Aug 2025527 AMAQI
6th Aug 2025528 AMAQI
6th Aug 2025459 AMAQI
6th Aug 20254010 AMAQI
6th Aug 20254411 AMAQI
11 AM6th Aug 20255212 PMAQI
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
47AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
9 AM - 10 AM
40AQI
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. 47), while the lowest AQI was between 9 AM to 10 AM (Avg. 40).
Night time
Avg. Highest Time
12 AM - 3 AM
45AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM
37AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 45), while the lowest AQI was between 7 PM to 7 PM (Avg. 37).
2025 Days Vs Air Quality
Miyanogicho, Yotsukaido, Chiba, Japan
2025
92%
198
8%
18
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Good
198 DaysModerate
18 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2025, 92% of 218 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
Miyanogicho, Yotsukaido, 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
36AQI
36AQI
2nd January 2025
32AQI
32AQI
3rd January 2025
31AQI
31AQI
4th January 2025
33AQI
33AQI
5th January 2025
38AQI
38AQI
6th January 2025
48AQI
48AQI
7th January 2025
33AQI
33AQI
8th January 2025
35AQI
35AQI
9th January 2025
29AQI
29AQI
10th January 2025
34AQI
34AQI
11th January 2025
31AQI
31AQI
12th January 2025
36AQI
36AQI
13th January 2025
28AQI
28AQI
14th January 2025
39AQI
39AQI
15th January 2025
37AQI
37AQI
16th January 2025
31AQI
31AQI
17th January 2025
33AQI
33AQI
18th January 2025
34AQI
34AQI
19th January 2025
56AQI
56AQI
20th January 2025
37AQI
37AQI
21st January 2025
48AQI
48AQI
22nd January 2025
41AQI
41AQI
23rd January 2025
53AQI
53AQI
24th January 2025
48AQI
48AQI
25th January 2025
42AQI
42AQI
26th January 2025
42AQI
42AQI
27th January 2025
38AQI
38AQI
28th January 2025
40AQI
40AQI
29th January 2025
38AQI
38AQI
30th January 2025
38AQI
38AQI
31st January 2025
34AQI
34AQI
1st February 2025
42AQI
42AQI
2nd February 2025
32AQI
32AQI
3rd February 2025
41AQI
41AQI
4th February 2025
32AQI
32AQI
5th February 2025
36AQI
36AQI
6th February 2025
32AQI
32AQI
7th February 2025
29AQI
29AQI
8th February 2025
30AQI
30AQI
9th February 2025
33AQI
33AQI
10th February 2025
31AQI
31AQI
11th February 2025
34AQI
34AQI
12th February 2025
32AQI
32AQI
13th February 2025
34AQI
34AQI
14th February 2025
31AQI
31AQI
15th February 2025
32AQI
32AQI
16th February 2025
38AQI
38AQI
17th February 2025
34AQI
34AQI
18th February 2025
33AQI
33AQI
19th February 2025
31AQI
31AQI
20th February 2025
32AQI
32AQI
21st February 2025
31AQI
31AQI
22nd February 2025
32AQI
32AQI
23rd February 2025
32AQI
32AQI
24th February 2025
37AQI
37AQI
25th February 2025
35AQI
35AQI
26th February 2025
36AQI
36AQI
27th February 2025
42AQI
42AQI
28th February 2025
51AQI
51AQI
1st March 2025
48AQI
48AQI
2nd March 2025
59AQI
59AQI
3rd March 2025
42AQI
42AQI
4th March 2025
43AQI
43AQI
5th March 2025
28AQI
28AQI
6th March 2025
37AQI
37AQI
7th March 2025
34AQI
34AQI
8th March 2025
35AQI
35AQI
9th March 2025
32AQI
32AQI
10th March 2025
38AQI
38AQI
11th March 2025
40AQI
40AQI
12th March 2025
46AQI
46AQI
13th March 2025
39AQI
39AQI
14th March 2025
39AQI
39AQI
15th March 2025
37AQI
37AQI
16th March 2025
28AQI
28AQI
17th March 2025
22AQI
22AQI
18th March 2025
29AQI
29AQI
19th March 2025
25AQI
25AQI
20th March 2025
27AQI
27AQI
21st March 2025
44AQI
44AQI
22nd March 2025
46AQI
46AQI
23rd March 2025
58AQI
58AQI
24th March 2025
49AQI
49AQI
25th March 2025
64AQI
64AQI
26th March 2025
79AQI
79AQI
27th March 2025
66AQI
66AQI
28th March 2025
48AQI
48AQI
29th March 2025
40AQI
40AQI
30th March 2025
45AQI
45AQI
31st March 2025
38AQI
38AQI
1st April 2025
33AQI
33AQI
2nd April 2025
26AQI
26AQI
3rd April 2025
26AQI
26AQI
4th April 2025
23AQI
23AQI
5th April 2025
22AQI
22AQI
6th April 2025
26AQI
26AQI
7th April 2025
27AQI
27AQI
8th April 2025
33AQI
33AQI
9th April 2025
25AQI
25AQI
10th April 2025
42AQI
42AQI
11th April 2025
35AQI
35AQI
12th April 2025
36AQI
36AQI
13th April 2025
27AQI
27AQI
14th April 2025
37AQI
37AQI
15th April 2025
31AQI
31AQI
16th April 2025
30AQI
30AQI
17th April 2025
43AQI
43AQI
18th April 2025
49AQI
49AQI
19th April 2025
55AQI
55AQI
20th April 2025
47AQI
47AQI
21st April 2025
43AQI
43AQI
22nd April 2025
41AQI
41AQI
23rd April 2025
27AQI
27AQI
24th April 2025
32AQI
32AQI
25th April 2025
34AQI
34AQI
26th April 2025
38AQI
38AQI
27th April 2025
43AQI
43AQI
28th April 2025
37AQI
37AQI
29th April 2025
32AQI
32AQI
30th April 2025
41AQI
41AQI
1st May 2025
35AQI
35AQI
2nd May 2025
29AQI
29AQI
3rd May 2025
29AQI
29AQI
4th May 2025
36AQI
36AQI
5th May 2025
30AQI
30AQI
6th May 2025
26AQI
26AQI
7th May 2025
24AQI
24AQI
8th May 2025
26AQI
26AQI
9th May 2025
26AQI
26AQI
10th May 2025
21AQI
21AQI
11th May 2025
29AQI
29AQI
12th May 2025
27AQI
27AQI
13th May 2025
35AQI
35AQI
14th May 2025
30AQI
30AQI
15th May 2025
36AQI
36AQI
16th May 2025
40AQI
40AQI
17th May 2025
30AQI
30AQI
18th May 2025
40AQI
40AQI
19th May 2025
40AQI
40AQI
20th May 2025
57AQI
57AQI
21st May 2025
42AQI
42AQI
22nd May 2025
41AQI
41AQI
23rd May 2025
34AQI
34AQI
24th May 2025
36AQI
36AQI
25th May 2025
29AQI
29AQI
26th May 2025
26AQI
26AQI
27th May 2025
23AQI
23AQI
28th May 2025
22AQI
22AQI
29th May 2025
24AQI
24AQI
30th May 2025
21AQI
21AQI
31st May 2025
16AQI
16AQI
1st June 2025
20AQI
20AQI
2nd June 2025
25AQI
25AQI
3rd June 2025
28AQI
28AQI
4th June 2025
30AQI
30AQI
5th June 2025
35AQI
35AQI
6th June 2025
41AQI
41AQI
7th June 2025
43AQI
43AQI
8th June 2025
53AQI
53AQI
9th June 2025
38AQI
38AQI
10th June 2025
34AQI
34AQI
11th June 2025
25AQI
25AQI
12th June 2025
35AQI
35AQI
13th June 2025
31AQI
31AQI
14th June 2025
33AQI
33AQI
15th June 2025
38AQI
38AQI
16th June 2025
39AQI
39AQI
17th June 2025
45AQI
45AQI
18th June 2025
35AQI
35AQI
19th June 2025
36AQI
36AQI
20th June 2025
32AQI
32AQI
21st June 2025
35AQI
35AQI
22nd June 2025
31AQI
31AQI
23rd June 2025
26AQI
26AQI
24th June 2025
25AQI
25AQI
25th June 2025
24AQI
24AQI
26th June 2025
26AQI
26AQI
27th June 2025
33AQI
33AQI
28th June 2025
29AQI
29AQI
29th June 2025
36AQI
36AQI
30th June 2025
34AQI
34AQI
1st July 2025
36AQI
36AQI
2nd July 2025
42AQI
42AQI
3rd July 2025
43AQI
43AQI
4th July 2025
42AQI
42AQI
5th July 2025
50AQI
50AQI
6th July 2025
69AQI
69AQI
7th July 2025
74AQI
74AQI
8th July 2025
81AQI
81AQI
9th July 2025
73AQI
73AQI
10th July 2025
55AQI
55AQI
11th July 2025
49AQI
49AQI
12th July 2025
51AQI
51AQI
13th July 2025
48AQI
48AQI
14th July 2025
41AQI
41AQI
15th July 2025
38AQI
38AQI
16th July 2025
36AQI
36AQI
17th July 2025
42AQI
42AQI
18th July 2025
37AQI
37AQI
19th July 2025
35AQI
35AQI
20th July 2025
34AQI
34AQI
21st July 2025
35AQI
35AQI
22nd July 2025
34AQI
34AQI
23rd July 2025
36AQI
36AQI
24th July 2025
38AQI
38AQI
25th July 2025
33AQI
33AQI
26th July 2025
32AQI
32AQI
27th July 2025
30AQI
30AQI
28th July 2025
38AQI
38AQI
29th July 2025
31AQI
31AQI
30th July 2025
31AQI
31AQI
31st July 2025
30AQI
30AQI
1st August 2025
32AQI
32AQI
2nd August 2025
41AQI
41AQI
3rd August 2025
45AQI
45AQI
4th August 2025
60AQI
60AQI
38AQI
34AQI
42AQI
35AQI
31AQI
33AQI
43AQI
45AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202537AQI
29
2
27
1
26
5
29
1
30
1
29
1
25
6
3
1
198
18
Highest AQI recorded in
August45AQI
Lowest AQI recorded in
May31AQI
202442AQI
29
2
23
4
26
5
25
5
23
8
29
1
7
17
1
6
29
2
26
4
31
29
1
31
308
49
1
6
Highest AQI recorded in
July77AQI
Lowest AQI recorded in
August33AQI
202342AQI
20
11
20
8
26
5
24
6
26
5
21
9
22
9
29
2
29
1
30
1
21
6
27
2
295
65
Highest AQI recorded in
April47AQI
Lowest AQI recorded in
September36AQI
202240AQI
28
1
16
5
27
4
23
7
25
6
25
5
22
2
1
28
28
3
27
3
28
3
278
39
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
January37AQI
202137AQI
24
7
25
3
27
2
22
1
26
5
27
3
27
4
28
3
30
31
27
3
22
9
316
40
Highest AQI recorded in
December43AQI
Lowest AQI recorded in
April29AQI
202036AQI
12
1
19
2
17
1
26
4
29
1
1
22
9
18
1
29
2
24
6
26
5
222
31
1
1
Highest AQI recorded in
August42AQI
Lowest AQI recorded in
September29AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
42AQILeast Polluted Year Recorded
2020(Avg.)
36AQIMiyanogicho's annual 2025 AQI (37) shows an average percentage change of -6.5% (improved AQI) compared to previous years: 2020 (36), 2021 (37), 2022 (40), 2023 (42), 2024 (42).
