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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

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

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
4th Aug 2025
61AQI
Lowest AQI recorded on
3rd Aug 2026
16AQI

Same Day Analysis (15th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 24 of Good air quality, showing improvement over 2025 and 2023 on the same day.

Day & Night AQI Trend: 14th Aug - 15th Aug 2026

Miyanogicho, Yotsukaido, Chiba, Japan

AQI
Day
Night
.

4 AM14th Aug 2026

6 PM

3 AM15th Aug 2026

Day time
Avg. Highest Time
5PM14th Aug

40AQI

Avg. Lowest Time
6PM14th Aug

21AQI

Night time
Avg. Highest Time
10PM14th Aug

29AQI

Avg. Lowest Time
3AM15th Aug

21AQI

In the last 24 hours,

Miyanogicho's AQI reached its highest point of 40 at 5 PM during the Day, while the lowest point, 21, was recorded at 3 AM during the Night between 14th Aug and 15th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Miyanogicho, Yotsukaido, Chiba, Japan

JulAug
17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th
Day
Night
17th Jul 2026534 AMAQI
17th Jul 2026545 AMAQI
17th Jul 2026566 AMAQI
17th Jul 2026547 AMAQI
17th Jul 2026578 AMAQI
17th Jul 2026569 AMAQI
17th Jul 20266210 AMAQI
17th Jul 20266811 AMAQI
17th Jul 20266612 PMAQI
17th Jul 2026321 PMAQI
17th Jul 2026122 PMAQI
17th Jul 2026173 PMAQI
17th Jul 2026144 PMAQI
17th Jul 2026165 PMAQI
17th Jul 2026326 PMAQI
17th Jul 2026417 PMAQI
17th Jul 2026268 PMAQI
17th Jul 2026159 PMAQI
17th Jul 20261310 PMAQI
17th Jul 20261411 PMAQI
18th Jul 20261012 AMAQI
18th Jul 2026151 AMAQI
18th Jul 2026132 AMAQI
18th Jul 2026103 AMAQI

27°C25/30°C

18th Jul 2026144 AMAQI
18th Jul 2026145 AMAQI
18th Jul 202686 AMAQI
18th Jul 2026127 AMAQI
18th Jul 2026128 AMAQI
18th Jul 202689 AMAQI
18th Jul 2026810 AMAQI
18th Jul 20262511 AMAQI
18th Jul 2026812 PMAQI
18th Jul 202661 PMAQI
18th Jul 202682 PMAQI
18th Jul 202683 PMAQI
18th Jul 2026134 PMAQI
18th Jul 2026235 PMAQI
18th Jul 2026296 PMAQI
18th Jul 2026257 PMAQI
18th Jul 2026218 PMAQI
18th Jul 2026239 PMAQI
18th Jul 20262510 PMAQI
18th Jul 20262711 PMAQI
19th Jul 20262312 AMAQI
19th Jul 2026251 AMAQI
19th Jul 2026252 AMAQI
19th Jul 2026213 AMAQI

26°C24/29°C

19th Jul 2026234 AMAQI
19th Jul 2026235 AMAQI
19th Jul 2026236 AMAQI
19th Jul 2026277 AMAQI
19th Jul 2026318 AMAQI
19th Jul 2026299 AMAQI
19th Jul 20262510 AMAQI
19th Jul 20262911 AMAQI
19th Jul 20262512 PMAQI
19th Jul 2026251 PMAQI
19th Jul 2026252 PMAQI
19th Jul 2026253 PMAQI
19th Jul 2026234 PMAQI
19th Jul 2026235 PMAQI
19th Jul 2026276 PMAQI
19th Jul 2026257 PMAQI
19th Jul 2026258 PMAQI
19th Jul 2026239 PMAQI
19th Jul 20262510 PMAQI
19th Jul 20262711 PMAQI
20th Jul 20262112 AMAQI
20th Jul 2026211 AMAQI
20th Jul 2026232 AMAQI
20th Jul 2026253 AMAQI

26°C24/29°C

20th Jul 2026234 AMAQI
20th Jul 2026235 AMAQI
20th Jul 2026256 AMAQI
20th Jul 2026257 AMAQI
20th Jul 2026258 AMAQI
20th Jul 2026259 AMAQI
20th Jul 20262510 AMAQI
20th Jul 20262511 AMAQI
20th Jul 20263612 PMAQI
20th Jul 2026231 PMAQI
20th Jul 2026252 PMAQI
20th Jul 2026403 PMAQI
20th Jul 2026554 PMAQI
20th Jul 2026465 PMAQI
20th Jul 2026466 PMAQI
20th Jul 2026467 PMAQI
20th Jul 2026408 PMAQI
20th Jul 2026449 PMAQI
20th Jul 20264010 PMAQI
20th Jul 20263311 PMAQI
21st Jul 20263612 AMAQI
21st Jul 2026361 AMAQI
21st Jul 2026332 AMAQI
21st Jul 2026333 AMAQI

29°C25/33°C

21st Jul 2026384 AMAQI
21st Jul 2026385 AMAQI
21st Jul 2026366 AMAQI
21st Jul 2026337 AMAQI
21st Jul 2026348 AMAQI
21st Jul 2026389 AMAQI
21st Jul 20265710 AMAQI
21st Jul 20265611 AMAQI
21st Jul 2026551 PMAQI
21st Jul 2026572 PMAQI
21st Jul 2026593 PMAQI
21st Jul 2026604 PMAQI
21st Jul 2026585 PMAQI
21st Jul 2026536 PMAQI
21st Jul 2026907 PMAQI
21st Jul 2026488 PMAQI
21st Jul 2026489 PMAQI
21st Jul 20265210 PMAQI
21st Jul 20265311 PMAQI
22nd Jul 20265512 AMAQI
22nd Jul 2026561 AMAQI
22nd Jul 2026582 AMAQI
22nd Jul 2026573 AMAQI

29°C26/34°C

22nd Jul 2026594 AMAQI
22nd Jul 2026565 AMAQI
22nd Jul 2026586 AMAQI
22nd Jul 2026577 AMAQI
22nd Jul 2026608 AMAQI
22nd Jul 2026599 AMAQI
22nd Jul 20266010 AMAQI
22nd Jul 20266511 AMAQI
22nd Jul 20266512 PMAQI
22nd Jul 2026691 PMAQI
22nd Jul 2026692 PMAQI
22nd Jul 2026703 PMAQI
22nd Jul 2026684 PMAQI
22nd Jul 2026625 PMAQI
22nd Jul 2026646 PMAQI
22nd Jul 2026627 PMAQI
22nd Jul 2026658 PMAQI
22nd Jul 2026679 PMAQI
22nd Jul 20266610 PMAQI
22nd Jul 20266911 PMAQI
23rd Jul 20266512 AMAQI
23rd Jul 2026601 AMAQI
23rd Jul 2026602 AMAQI
23rd Jul 2026573 AMAQI

29°C26/33°C

23rd Jul 2026564 AMAQI
23rd Jul 2026575 AMAQI
23rd Jul 2026566 AMAQI
23rd Jul 2026637 AMAQI
23rd Jul 2026628 AMAQI
23rd Jul 2026659 AMAQI
23rd Jul 20266410 AMAQI
23rd Jul 20267011 AMAQI
23rd Jul 20267012 PMAQI
23rd Jul 2026711 PMAQI
23rd Jul 2026682 PMAQI
23rd Jul 2026623 PMAQI
23rd Jul 2026594 PMAQI
23rd Jul 2026595 PMAQI
23rd Jul 2026526 PMAQI
23rd Jul 2026467 PMAQI
23rd Jul 2026368 PMAQI
23rd Jul 2026279 PMAQI
23rd Jul 20262710 PMAQI
23rd Jul 20262911 PMAQI
24th Jul 20262912 AMAQI
24th Jul 2026311 AMAQI
24th Jul 2026312 AMAQI
24th Jul 2026333 AMAQI

30°C27/35°C

24th Jul 2026334 AMAQI
24th Jul 2026335 AMAQI
24th Jul 2026316 AMAQI
24th Jul 2026387 AMAQI
24th Jul 2026408 AMAQI
24th Jul 2026409 AMAQI
24th Jul 20263610 AMAQI
24th Jul 20264011 AMAQI
24th Jul 20264212 PMAQI
24th Jul 2026441 PMAQI
24th Jul 2026422 PMAQI
24th Jul 2026483 PMAQI
24th Jul 2026464 PMAQI
24th Jul 2026425 PMAQI
24th Jul 2026366 PMAQI
24th Jul 2026367 PMAQI
24th Jul 2026318 PMAQI
24th Jul 2026299 PMAQI
24th Jul 20263310 PMAQI
24th Jul 20263111 PMAQI
25th Jul 20263812 AMAQI
25th Jul 2026361 AMAQI
25th Jul 2026362 AMAQI
25th Jul 2026363 AMAQI

28°C25/31°C

25th Jul 2026334 AMAQI
25th Jul 2026315 AMAQI
25th Jul 2026366 AMAQI
25th Jul 2026367 AMAQI
25th Jul 2026388 AMAQI
25th Jul 2026409 AMAQI
25th Jul 20264910 AMAQI
25th Jul 20265211 AMAQI
25th Jul 20265212 PMAQI
25th Jul 2026521 PMAQI
25th Jul 2026502 PMAQI
25th Jul 2026503 PMAQI
25th Jul 2026484 PMAQI
25th Jul 2026445 PMAQI
25th Jul 2026366 PMAQI
25th Jul 2026257 PMAQI
25th Jul 2026218 PMAQI
25th Jul 2026219 PMAQI
25th Jul 20262110 PMAQI
25th Jul 20262511 PMAQI
26th Jul 20262512 AMAQI
26th Jul 2026211 AMAQI
26th Jul 2026252 AMAQI
26th Jul 2026213 AMAQI

27°C23/32°C

26th Jul 2026234 AMAQI
26th Jul 2026235 AMAQI
26th Jul 2026216 AMAQI
26th Jul 2026217 AMAQI
26th Jul 2026218 AMAQI
26th Jul 2026239 AMAQI
26th Jul 20262510 AMAQI
26th Jul 20263811 AMAQI
26th Jul 20263812 PMAQI
26th Jul 2026501 PMAQI
26th Jul 2026502 PMAQI
26th Jul 2026553 PMAQI
26th Jul 2026444 PMAQI
26th Jul 2026405 PMAQI
26th Jul 2026366 PMAQI
26th Jul 2026337 PMAQI
26th Jul 2026408 PMAQI
26th Jul 2026369 PMAQI
26th Jul 20263610 PMAQI
26th Jul 20263111 PMAQI
27th Jul 20262912 AMAQI
27th Jul 2026251 AMAQI
27th Jul 2026252 AMAQI
27th Jul 2026273 AMAQI

27°C24/30°C

27th Jul 2026274 AMAQI
27th Jul 2026275 AMAQI
27th Jul 2026276 AMAQI
27th Jul 2026277 AMAQI
27th Jul 2026218 AMAQI
27th Jul 2026239 AMAQI
27th Jul 20262110 AMAQI
27th Jul 20262111 AMAQI
27th Jul 20262512 PMAQI
27th Jul 2026271 PMAQI
27th Jul 2026342 PMAQI
27th Jul 2026403 PMAQI
27th Jul 2026364 PMAQI
27th Jul 2026335 PMAQI
27th Jul 2026296 PMAQI
27th Jul 2026277 PMAQI
27th Jul 2026338 PMAQI
27th Jul 2026319 PMAQI
27th Jul 20263610 PMAQI
27th Jul 20263111 PMAQI
28th Jul 20264412 AMAQI
28th Jul 2026461 AMAQI
28th Jul 2026442 AMAQI
28th Jul 2026463 AMAQI

26°C23/29°C

28th Jul 2026464 AMAQI
28th Jul 2026485 AMAQI
28th Jul 2026486 AMAQI
28th Jul 2026467 AMAQI
28th Jul 2026508 AMAQI
28th Jul 2026489 AMAQI
28th Jul 20264610 AMAQI
28th Jul 20264411 AMAQI
28th Jul 20264812 PMAQI
28th Jul 2026481 PMAQI
28th Jul 2026482 PMAQI
28th Jul 2026463 PMAQI
28th Jul 2026484 PMAQI
28th Jul 2026505 PMAQI
28th Jul 2026466 PMAQI
28th Jul 2026487 PMAQI
28th Jul 2026488 PMAQI
28th Jul 2026469 PMAQI
28th Jul 20264410 PMAQI
28th Jul 20264811 PMAQI
29th Jul 20265112 AMAQI
29th Jul 2026541 AMAQI
29th Jul 2026542 AMAQI
29th Jul 2026383 AMAQI

26°C23/29°C

29th Jul 2026544 AMAQI
29th Jul 2026525 AMAQI
29th Jul 2026526 AMAQI
29th Jul 2026517 AMAQI
29th Jul 2026428 AMAQI
29th Jul 2026489 AMAQI
29th Jul 20264410 AMAQI
29th Jul 20263111 AMAQI
29th Jul 20263312 PMAQI
29th Jul 2026291 PMAQI
29th Jul 2026272 PMAQI
29th Jul 2026253 PMAQI
29th Jul 2026214 PMAQI
29th Jul 2026215 PMAQI
29th Jul 2026216 PMAQI
29th Jul 2026217 PMAQI
29th Jul 2026218 PMAQI
29th Jul 2026219 PMAQI
29th Jul 20262510 PMAQI
29th Jul 20262911 PMAQI
30th Jul 20263312 AMAQI
30th Jul 2026271 AMAQI
30th Jul 2026272 AMAQI
30th Jul 2026273 AMAQI

28°C24/33°C

30th Jul 2026294 AMAQI
30th Jul 2026275 AMAQI
30th Jul 2026296 AMAQI
30th Jul 2026297 AMAQI
30th Jul 2026278 AMAQI
30th Jul 2026259 AMAQI
30th Jul 20262710 AMAQI
30th Jul 20262911 AMAQI
30th Jul 20263412 PMAQI
30th Jul 2026401 PMAQI
30th Jul 2026442 PMAQI
30th Jul 2026553 PMAQI
30th Jul 2026574 PMAQI
30th Jul 2026595 PMAQI
30th Jul 2026576 PMAQI
30th Jul 2026567 PMAQI
30th Jul 2026518 PMAQI
30th Jul 2026469 PMAQI
30th Jul 20264810 PMAQI
30th Jul 20264911 PMAQI
31st Jul 20264812 AMAQI
31st Jul 2026631 AMAQI
31st Jul 2026312 AMAQI
31st Jul 2026333 AMAQI

30°C26/34°C

31st Jul 2026304 AMAQI
31st Jul 2026365 AMAQI
31st Jul 2026446 AMAQI
31st Jul 2026387 AMAQI
31st Jul 2026428 AMAQI
31st Jul 2026469 AMAQI
31st Jul 20264610 AMAQI
31st Jul 20264611 AMAQI
31st Jul 20264812 PMAQI
31st Jul 2026441 PMAQI
31st Jul 2026382 PMAQI
31st Jul 2026383 PMAQI
31st Jul 2026404 PMAQI
31st Jul 2026465 PMAQI
31st Jul 2026506 PMAQI
31st Jul 2026537 PMAQI
31st Jul 2026408 PMAQI
31st Jul 2026469 PMAQI
31st Jul 20264610 PMAQI
31st Jul 20264811 PMAQI
1st Aug 20265012 AMAQI
1st Aug 2026421 AMAQI
1st Aug 2026462 AMAQI
1st Aug 2026533 AMAQI

29°C26/33°C

1st Aug 2026524 AMAQI
1st Aug 2026555 AMAQI
1st Aug 2026536 AMAQI
1st Aug 2026547 AMAQI
1st Aug 2026538 AMAQI
1st Aug 2026639 AMAQI
1st Aug 20266610 AMAQI
1st Aug 20266511 AMAQI
1st Aug 20266412 PMAQI
1st Aug 2026671 PMAQI
1st Aug 2026652 PMAQI
1st Aug 2026653 PMAQI
1st Aug 2026594 PMAQI
1st Aug 2026585 PMAQI
1st Aug 2026656 PMAQI
1st Aug 2026717 PMAQI
1st Aug 2026738 PMAQI
1st Aug 2026699 PMAQI
1st Aug 20268410 PMAQI
1st Aug 20267311 PMAQI
2nd Aug 20267312 AMAQI
2nd Aug 2026711 AMAQI
2nd Aug 2026652 AMAQI
2nd Aug 2026713 AMAQI

30°C26/34°C

2nd Aug 2026784 AMAQI
2nd Aug 2026665 AMAQI
2nd Aug 2026626 AMAQI
2nd Aug 2026627 AMAQI
2nd Aug 2026688 AMAQI
2nd Aug 2026699 AMAQI
2nd Aug 20267810 AMAQI
2nd Aug 20268411 AMAQI
2nd Aug 20268012 PMAQI
2nd Aug 2026641 PMAQI
2nd Aug 2026832 PMAQI
2nd Aug 2026553 PMAQI
2nd Aug 2026664 PMAQI
2nd Aug 2026405 PMAQI
2nd Aug 2026426 PMAQI
2nd Aug 2026337 PMAQI
2nd Aug 2026238 PMAQI
2nd Aug 2026429 PMAQI
2nd Aug 2026810 PMAQI
2nd Aug 2026811 PMAQI
3rd Aug 20261412 AMAQI
3rd Aug 202691 AMAQI
3rd Aug 202682 AMAQI
3rd Aug 2026193 AMAQI

28°C24/33°C

3rd Aug 2026144 AMAQI
3rd Aug 202675 AMAQI
3rd Aug 202686 AMAQI
3rd Aug 2026107 AMAQI
3rd Aug 2026178 AMAQI
3rd Aug 2026199 AMAQI
3rd Aug 20261910 AMAQI
3rd Aug 20261911 AMAQI
3rd Aug 20261212 PMAQI
3rd Aug 2026171 PMAQI
3rd Aug 2026122 PMAQI
3rd Aug 2026123 PMAQI
3rd Aug 2026214 PMAQI
3rd Aug 2026275 PMAQI
3rd Aug 2026256 PMAQI
3rd Aug 2026217 PMAQI
3rd Aug 2026218 PMAQI
3rd Aug 2026199 PMAQI
3rd Aug 20261810 PMAQI
3rd Aug 20261911 PMAQI
4th Aug 20261612 AMAQI
4th Aug 2026191 AMAQI
4th Aug 2026232 AMAQI
4th Aug 2026153 AMAQI

24°C23/27°C

4th Aug 2026214 AMAQI
4th Aug 2026215 AMAQI
4th Aug 2026216 AMAQI
4th Aug 2026257 AMAQI
4th Aug 2026198 AMAQI
4th Aug 2026169 AMAQI
4th Aug 20262510 AMAQI
4th Aug 20262711 AMAQI
4th Aug 20262512 PMAQI
4th Aug 2026271 PMAQI
4th Aug 2026252 PMAQI
4th Aug 2026213 PMAQI
4th Aug 2026214 PMAQI
4th Aug 2026215 PMAQI
4th Aug 2026216 PMAQI
4th Aug 2026217 PMAQI
4th Aug 2026218 PMAQI
4th Aug 2026239 PMAQI
4th Aug 20262110 PMAQI
4th Aug 20262311 PMAQI
5th Aug 20262112 AMAQI
5th Aug 2026231 AMAQI
5th Aug 2026232 AMAQI
5th Aug 2026213 AMAQI

24°C22/27°C

5th Aug 2026214 AMAQI
5th Aug 2026215 AMAQI
5th Aug 2026216 AMAQI
5th Aug 2026217 AMAQI
5th Aug 2026218 AMAQI
5th Aug 2026239 AMAQI
5th Aug 20262110 AMAQI
5th Aug 20262311 AMAQI
5th Aug 20262312 PMAQI
5th Aug 2026251 PMAQI
5th Aug 2026232 PMAQI
5th Aug 2026253 PMAQI
5th Aug 2026214 PMAQI
5th Aug 2026255 PMAQI
5th Aug 2026236 PMAQI
5th Aug 2026257 PMAQI
5th Aug 2026238 PMAQI
5th Aug 2026219 PMAQI
5th Aug 20262110 PMAQI
5th Aug 20262111 PMAQI
6th Aug 20262112 AMAQI
6th Aug 2026211 AMAQI
6th Aug 2026212 AMAQI
6th Aug 2026233 AMAQI

25°C22/29°C

6th Aug 2026254 AMAQI
6th Aug 2026235 AMAQI
6th Aug 2026256 AMAQI
6th Aug 2026257 AMAQI
6th Aug 2026238 AMAQI
6th Aug 2026259 AMAQI
6th Aug 20262510 AMAQI
6th Aug 20262511 AMAQI
6th Aug 20262312 PMAQI
6th Aug 2026211 PMAQI
6th Aug 2026212 PMAQI
6th Aug 2026253 PMAQI
6th Aug 2026234 PMAQI
6th Aug 2026235 PMAQI
6th Aug 2026236 PMAQI
6th Aug 2026217 PMAQI
6th Aug 2026238 PMAQI
6th Aug 2026219 PMAQI
6th Aug 20262110 PMAQI
6th Aug 20262311 PMAQI
7th Aug 20262512 AMAQI
7th Aug 2026251 AMAQI
7th Aug 2026252 AMAQI
7th Aug 2026273 AMAQI

28°C24/32°C

7th Aug 2026314 AMAQI
7th Aug 2026295 AMAQI
7th Aug 2026256 AMAQI
7th Aug 2026257 AMAQI
7th Aug 2026278 AMAQI
7th Aug 2026299 AMAQI
7th Aug 20262110 AMAQI
7th Aug 20264411 AMAQI
7th Aug 20264812 PMAQI
7th Aug 2026481 PMAQI
7th Aug 2026252 PMAQI
7th Aug 2026293 PMAQI
7th Aug 2026254 PMAQI
7th Aug 2026255 PMAQI
7th Aug 2026256 PMAQI
7th Aug 2026257 PMAQI
7th Aug 2026238 PMAQI
7th Aug 2026259 PMAQI
7th Aug 20262510 PMAQI
7th Aug 20262511 PMAQI
8th Aug 20262312 AMAQI
8th Aug 2026231 AMAQI
8th Aug 2026252 AMAQI
8th Aug 2026253 AMAQI

28°C25/31°C

8th Aug 2026214 AMAQI
8th Aug 2026215 AMAQI
8th Aug 2026256 AMAQI
8th Aug 2026297 AMAQI
8th Aug 2026258 AMAQI
8th Aug 2026239 AMAQI
8th Aug 20262110 AMAQI
8th Aug 20262111 AMAQI
8th Aug 20262112 PMAQI
8th Aug 2026211 PMAQI
8th Aug 2026232 PMAQI
8th Aug 2026253 PMAQI
8th Aug 2026254 PMAQI
8th Aug 2026255 PMAQI
8th Aug 2026256 PMAQI
8th Aug 2026257 PMAQI
8th Aug 2026238 PMAQI
8th Aug 2026219 PMAQI
8th Aug 20262310 PMAQI
8th Aug 20262311 PMAQI
9th Aug 20262112 AMAQI
9th Aug 2026211 AMAQI
9th Aug 2026212 AMAQI
9th Aug 2026213 AMAQI

28°C24/32°C

9th Aug 2026214 AMAQI
9th Aug 2026215 AMAQI
9th Aug 2026216 AMAQI
9th Aug 2026217 AMAQI
9th Aug 2026218 AMAQI
9th Aug 2026219 AMAQI
9th Aug 20262110 AMAQI
9th Aug 20262311 AMAQI
9th Aug 20262112 PMAQI
9th Aug 2026211 PMAQI
9th Aug 2026212 PMAQI
9th Aug 2026233 PMAQI
9th Aug 2026254 PMAQI
9th Aug 2026255 PMAQI
9th Aug 2026276 PMAQI
9th Aug 2026297 PMAQI
9th Aug 2026548 PMAQI
9th Aug 2026299 PMAQI
9th Aug 20262310 PMAQI
9th Aug 20262711 PMAQI
10th Aug 20262112 AMAQI
10th Aug 2026251 AMAQI
10th Aug 2026252 AMAQI
10th Aug 2026213 AMAQI

27°C24/31°C

10th Aug 2026254 AMAQI
10th Aug 2026215 AMAQI
10th Aug 2026236 AMAQI
10th Aug 2026257 AMAQI
10th Aug 2026218 AMAQI
10th Aug 2026219 AMAQI
10th Aug 20262510 AMAQI
10th Aug 20262511 AMAQI
10th Aug 20262512 PMAQI
10th Aug 2026251 PMAQI
10th Aug 2026212 PMAQI
10th Aug 2026213 PMAQI
10th Aug 2026234 PMAQI
10th Aug 2026215 PMAQI
10th Aug 2026336 PMAQI
10th Aug 2026257 PMAQI
10th Aug 2026388 PMAQI
10th Aug 2026279 PMAQI
10th Aug 20262110 PMAQI
10th Aug 20262111 PMAQI
11th Aug 20262112 AMAQI
11th Aug 2026231 AMAQI
11th Aug 2026212 AMAQI
11th Aug 2026233 AMAQI

26°C23/30°C

11th Aug 2026214 AMAQI
11th Aug 2026215 AMAQI
11th Aug 2026256 AMAQI
11th Aug 2026257 AMAQI
11th Aug 2026408 AMAQI
11th Aug 2026369 AMAQI
11th Aug 20263310 AMAQI
11th Aug 20262311 AMAQI
11th Aug 20262112 PMAQI
11th Aug 2026231 PMAQI
11th Aug 2026252 PMAQI
11th Aug 2026273 PMAQI
11th Aug 2026274 PMAQI
11th Aug 2026275 PMAQI
11th Aug 2026276 PMAQI
11th Aug 2026217 PMAQI
11th Aug 2026298 PMAQI
11th Aug 2026279 PMAQI
11th Aug 20262910 PMAQI
11th Aug 20263111 PMAQI
12th Aug 20262712 AMAQI
12th Aug 2026211 AMAQI
12th Aug 2026212 AMAQI
12th Aug 2026213 AMAQI

23°C20/27°C

12th Aug 2026254 AMAQI
12th Aug 2026235 AMAQI
12th Aug 2026236 AMAQI
12th Aug 2026257 AMAQI
12th Aug 2026238 AMAQI
12th Aug 2026239 AMAQI
12th Aug 20262310 AMAQI
12th Aug 20262111 AMAQI
12th Aug 20262112 PMAQI
12th Aug 2026211 PMAQI
12th Aug 2026212 PMAQI
12th Aug 2026233 PMAQI
12th Aug 2026254 PMAQI
12th Aug 2026255 PMAQI
12th Aug 2026256 PMAQI
12th Aug 2026237 PMAQI
12th Aug 2026218 PMAQI
12th Aug 2026219 PMAQI
12th Aug 20262310 PMAQI
12th Aug 20262111 PMAQI
13th Aug 20262512 AMAQI
13th Aug 2026211 AMAQI
13th Aug 2026232 AMAQI
13th Aug 2026233 AMAQI

23°C21/25°C

13th Aug 2026224 AMAQI
13th Aug 2026235 AMAQI
13th Aug 2026216 AMAQI
13th Aug 2026257 AMAQI
13th Aug 2026278 AMAQI
13th Aug 2026239 AMAQI
13th Aug 20262110 AMAQI
13th Aug 20262111 AMAQI
13th Aug 20263812 PMAQI
13th Aug 2026321 PMAQI
13th Aug 2026212 PMAQI
13th Aug 2026213 PMAQI
13th Aug 2026214 PMAQI
13th Aug 2026215 PMAQI
13th Aug 2026216 PMAQI
13th Aug 2026297 PMAQI
13th Aug 2026298 PMAQI
13th Aug 2026299 PMAQI
13th Aug 20263010 PMAQI
13th Aug 20263011 PMAQI
14th Aug 20262112 AMAQI
14th Aug 2026231 AMAQI
14th Aug 2026252 AMAQI
14th Aug 2026253 AMAQI

26°C23/30°C

14th Aug 2026274 AMAQI
14th Aug 2026255 AMAQI
14th Aug 2026256 AMAQI
14th Aug 2026297 AMAQI
14th Aug 2026298 AMAQI
14th Aug 2026259 AMAQI
14th Aug 20262710 AMAQI
14th Aug 20262111 AMAQI
14th Aug 20262112 PMAQI
14th Aug 2026231 PMAQI
14th Aug 2026252 PMAQI
14th Aug 2026233 PMAQI
14th Aug 2026254 PMAQI
14th Aug 2026405 PMAQI
14th Aug 2026216 PMAQI
14th Aug 2026217 PMAQI
14th Aug 2026238 PMAQI
14th Aug 2026239 PMAQI
14th Aug 20262910 PMAQI
14th Aug 20262511 PMAQI
15th Aug 20262512 AMAQI
15th Aug 2026251 AMAQI
15th Aug 2026232 AMAQI
15th Aug 2026213 AMAQI

26°C24/28°C

15th Aug 2026274 AMAQI
4 AM
15th Aug 2026255 AMAQI
15th Aug 2026256 AMAQI
15th Aug 2026217 AMAQI
15th Aug 2026258 AMAQI
15th Aug 2026279 AMAQI
15th Aug 20262510 AMAQI
15th Aug 20262311 AMAQI
11 AM
15th Aug 20262112 PMAQI
15th Aug 2026211 PMAQI
15th Aug 2026292 PMAQI
15th Aug 2026293 PMAQI
15th Aug 2026214 PMAQI
15th Aug 2026255 PMAQI
15th Aug 2026216 PMAQI
6 PM
15th Aug 2026217 PMAQI
15th Aug 2026258 PMAQI
15th Aug 2026259 PMAQI
15th Aug 20262510 PMAQI
15th Aug 20262511 PMAQI
11 PM
3 AM

26°C24/30°C

Day time
Avg. Highest Time
11 AM - 6 PM

36AQI

8 hours / Day
240 hours / Month
Avg. Lowest Time
5 AM

31AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 6 PM (Avg. 36), while the lowest AQI was between 5 AM to 5 AM (Avg. 31).
Night time
Avg. Highest Time
7 PM

35AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
2 AM - 3 AM

31AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 7 PM (Avg. 35), while the lowest AQI was between 2 AM to 3 AM (Avg. 31).

2026 Days Vs Air Quality

Miyanogicho, Yotsukaido, Chiba, Japan

2026

85%

193

15%

34

Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)

Good
193 Days
Moderate
34 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 85%

Health Risk Level:

Low

In 2026, 85% of 227 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

Miyanogicho, Yotsukaido, Chiba, Japan

AQI levels in 2026

AQI (US)
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.

-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
22AQI (US)
2nd January 2026
26AQI (US)
3rd January 2026
20AQI (US)
4th January 2026
25AQI (US)
5th January 2026
51AQI (US)
6th January 2026
25AQI (US)
7th January 2026
38AQI (US)
8th January 2026
44AQI (US)
9th January 2026
17AQI (US)
10th January 2026
42AQI (US)
11th January 2026
39AQI (US)
12th January 2026
23AQI (US)
13th January 2026
48AQI (US)
14th January 2026
17AQI (US)
15th January 2026
37AQI (US)
16th January 2026
54AQI (US)
17th January 2026
58AQI (US)
18th January 2026
34AQI (US)
19th January 2026
45AQI (US)
20th January 2026
45AQI (US)
21st January 2026
14AQI (US)
22nd January 2026
26AQI (US)
23rd January 2026
37AQI (US)
24th January 2026
42AQI (US)
25th January 2026
44AQI (US)
26th January 2026
22AQI (US)
27th January 2026
40AQI (US)
28th January 2026
30AQI (US)
29th January 2026
16AQI (US)
30th January 2026
31AQI (US)
31st January 2026
36AQI (US)
1st February 2026
36AQI (US)
2nd February 2026
33AQI (US)
3rd February 2026
17AQI (US)
4th February 2026
37AQI (US)
5th February 2026
63AQI (US)
6th February 2026
62AQI (US)
7th February 2026
13AQI (US)
8th February 2026
10AQI (US)
9th February 2026
32AQI (US)
10th February 2026
38AQI (US)
11th February 2026
59AQI (US)
12th February 2026
31AQI (US)
13th February 2026
41AQI (US)
14th February 2026
54AQI (US)
15th February 2026
54AQI (US)
16th February 2026
51AQI (US)
17th February 2026
13AQI (US)
18th February 2026
32AQI (US)
19th February 2026
13AQI (US)
20th February 2026
21AQI (US)
21st February 2026
41AQI (US)
22nd February 2026
45AQI (US)
23rd February 2026
26AQI (US)
24th February 2026
34AQI (US)
25th February 2026
16AQI (US)
26th February 2026
17AQI (US)
27th February 2026
43AQI (US)
28th February 2026
43AQI (US)
1st March 2026
34AQI (US)
2nd March 2026
66AQI (US)
3rd March 2026
41AQI (US)
4th March 2026
55AQI (US)
5th March 2026
53AQI (US)
6th March 2026
48AQI (US)
7th March 2026
45AQI (US)
8th March 2026
40AQI (US)
9th March 2026
49AQI (US)
10th March 2026
58AQI (US)
11th March 2026
56AQI (US)
12th March 2026
66AQI (US)
13th March 2026
40AQI (US)
14th March 2026
45AQI (US)
15th March 2026
56AQI (US)
16th March 2026
55AQI (US)
17th March 2026
50AQI (US)
18th March 2026
54AQI (US)
19th March 2026
40AQI (US)
20th March 2026
33AQI (US)
21st March 2026
41AQI (US)
22nd March 2026
50AQI (US)
23rd March 2026
44AQI (US)
24th March 2026
40AQI (US)
25th March 2026
46AQI (US)
26th March 2026
29AQI (US)
27th March 2026
29AQI (US)
28th March 2026
51AQI (US)
29th March 2026
56AQI (US)
30th March 2026
51AQI (US)
31st March 2026
24AQI (US)
1st April 2026
25AQI (US)
2nd April 2026
10AQI (US)
3rd April 2026
39AQI (US)
4th April 2026
45AQI (US)
5th April 2026
38AQI (US)
6th April 2026
28AQI (US)
7th April 2026
26AQI (US)
8th April 2026
19AQI (US)
9th April 2026
28AQI (US)
10th April 2026
48AQI (US)
11th April 2026
41AQI (US)
12th April 2026
29AQI (US)
13th April 2026
36AQI (US)
14th April 2026
38AQI (US)
15th April 2026
34AQI (US)
16th April 2026
33AQI (US)
17th April 2026
34AQI (US)
18th April 2026
31AQI (US)
19th April 2026
31AQI (US)
20th April 2026
33AQI (US)
21st April 2026
39AQI (US)
22nd April 2026
45AQI (US)
23rd April 2026
37AQI (US)
24th April 2026
32AQI (US)
25th April 2026
44AQI (US)
26th April 2026
50AQI (US)
27th April 2026
49AQI (US)
28th April 2026
42AQI (US)
29th April 2026
38AQI (US)
30th April 2026
18AQI (US)
1st May 2026
44AQI (US)
2nd May 2026
48AQI (US)
3rd May 2026
43AQI (US)
4th May 2026
30AQI (US)
5th May 2026
21AQI (US)
6th May 2026
29AQI (US)
7th May 2026
27AQI (US)
8th May 2026
25AQI (US)
9th May 2026
21AQI (US)
10th May 2026
30AQI (US)
11th May 2026
29AQI (US)
12th May 2026
30AQI (US)
13th May 2026
37AQI (US)
14th May 2026
33AQI (US)
15th May 2026
34AQI (US)
16th May 2026
86AQI (US)
17th May 2026
70AQI (US)
18th May 2026
53AQI (US)
19th May 2026
49AQI (US)
20th May 2026
62AQI (US)
21st May 2026
59AQI (US)
22nd May 2026
59AQI (US)
23rd May 2026
53AQI (US)
24th May 2026
59AQI (US)
25th May 2026
47AQI (US)
26th May 2026
39AQI (US)
27th May 2026
24AQI (US)
28th May 2026
26AQI (US)
29th May 2026
25AQI (US)
30th May 2026
26AQI (US)
31st May 2026
34AQI (US)
1st June 2026
49AQI (US)
2nd June 2026
28AQI (US)
3rd June 2026
17AQI (US)
4th June 2026
23AQI (US)
5th June 2026
22AQI (US)
6th June 2026
21AQI (US)
7th June 2026
21AQI (US)
8th June 2026
21AQI (US)
9th June 2026
23AQI (US)
10th June 2026
22AQI (US)
11th June 2026
24AQI (US)
12th June 2026
23AQI (US)
13th June 2026
41AQI (US)
14th June 2026
44AQI (US)
15th June 2026
12AQI (US)
16th June 2026
22AQI (US)
17th June 2026
24AQI (US)
18th June 2026
25AQI (US)
19th June 2026
26AQI (US)
20th June 2026
22AQI (US)
21st June 2026
20AQI (US)
22nd June 2026
19AQI (US)
23rd June 2026
21AQI (US)
24th June 2026
21AQI (US)
25th June 2026
27AQI (US)
26th June 2026
29AQI (US)
27th June 2026
26AQI (US)
28th June 2026
26AQI (US)
29th June 2026
26AQI (US)
30th June 2026
22AQI (US)
1st July 2026
33AQI (US)
2nd July 2026
22AQI (US)
3rd July 2026
18AQI (US)
4th July 2026
34AQI (US)
5th July 2026
18AQI (US)
6th July 2026
25AQI (US)
7th July 2026
26AQI (US)
8th July 2026
23AQI (US)
9th July 2026
23AQI (US)
10th July 2026
18AQI (US)
11th July 2026
20AQI (US)
12th July 2026
27AQI (US)
13th July 2026
34AQI (US)
14th July 2026
39AQI (US)
15th July 2026
46AQI (US)
16th July 2026
74AQI (US)
17th July 2026
40AQI (US)
18th July 2026
15AQI (US)
19th July 2026
25AQI (US)
20th July 2026
32AQI (US)
21st July 2026
48AQI (US)
22nd July 2026
62AQI (US)
23rd July 2026
56AQI (US)
24th July 2026
36AQI (US)
25th July 2026
38AQI (US)
26th July 2026
32AQI (US)
27th July 2026
28AQI (US)
28th July 2026
47AQI (US)
29th July 2026
36AQI (US)
30th July 2026
39AQI (US)
31st July 2026
43AQI (US)
1st August 2026
61AQI (US)
2nd August 2026
58AQI (US)
3rd August 2026
16AQI (US)
4th August 2026
22AQI (US)
5th August 2026
22AQI (US)
6th August 2026
23AQI (US)
7th August 2026
28AQI (US)
8th August 2026
23AQI (US)
9th August 2026
24AQI (US)
10th August 2026
24AQI (US)
11th August 2026
26AQI (US)
12th August 2026
23AQI (US)
13th August 2026
25AQI (US)
14th August 2026
25AQI (US)
15th August 2026
24AQI (US)
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

34AQI (US)

35AQI (US)

47AQI (US)

35AQI (US)

40AQI (US)

25AQI (US)

34AQI (US)

28AQI (US)

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202635AQI (US)

28
3
22
6
19
12
30
23
8
30
28
3
13
2
193
34

Highest AQI (US) recorded in

March

47AQI (US)

Lowest AQI (US) recorded in

June

25AQI (US)

202541AQI (US)

29
2
27
1
26
5
29
1
30
1
29
1
25
6
22
9
29
1
12
19
13
17
12
19
283
82

Highest AQI (US) recorded in

October

52AQI (US)

Lowest AQI (US) recorded in

May

31AQI (US)

202442AQI (US)

28
2
23
4
26
5
25
5
23
8
29
1
7
17
1
6
29
2
26
4
31
29
1
31
307
49
1
6

Highest AQI (US) recorded in

July

77AQI (US)

Lowest AQI (US) recorded in

September

33AQI (US)

202342AQI (US)

20
10
20
8
26
5
24
6
26
5
21
9
22
9
29
2
29
1
30
1
21
6
27
2
295
64

Highest AQI (US) recorded in

April

47AQI (US)

Lowest AQI (US) recorded in

September

36AQI (US)

202240AQI (US)

27
1
16
5
27
4
23
7
25
6
25
5
22
2
1
28
28
3
27
3
28
3
277
39

Highest AQI (US) recorded in

April

46AQI (US)

Lowest AQI (US) recorded in

October

37AQI (US)

202137AQI (US)

23
7
25
3
27
2
22
1
26
5
27
3
27
4
28
3
30
31
27
3
22
9
315
40

Highest AQI (US) recorded in

December

43AQI (US)

Lowest AQI (US) recorded in

April

29AQI (US)

202036AQI (US)

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 (US) recorded in

August

42AQI (US)

Lowest AQI (US) recorded in

September

29AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2024(Avg.)
42AQI (US)
Least Polluted Year Recorded
2026(Avg.)
35AQI (US)

Miyanogicho's annual 2026 AQI (US) (35) shows an average percentage change of -11.4% (improved AQI (US)) compared to previous years: 2020 (36), 2021 (37), 2022 (40), 2023 (42), 2024 (42), 2025 (41).