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
Yotsukaido, Chiba, Japan
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2025
61AQILowest AQI recorded on
22nd Aug 2023
18AQISame Day Analysis (12th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 25 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 12th Aug - 13th Aug 2026
Yotsukaido, Chiba, Japan
AQI
Day
Night
.
4 AM12th Aug 2026
6 PM
3 AM13th Aug 2026
Day time
Avg. Highest Time
12PM12th Aug
28AQI
Avg. Lowest Time
11AM12th Aug
22AQI
Night time
Avg. Highest Time
7PM12th Aug
28AQI
Avg. Lowest Time
3AM13th Aug
24AQI
In the last 24 hours,
Yotsukaido's AQI reached its highest point of 28 at 12 PM during the Day, while the lowest point, 22, was recorded at 11 AM during the Day between 12th Aug and 13th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Yotsukaido, Chiba, Japan
JulAug
15th - 16th16th - 17th17th - 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
Day
Night
15th Jul 2026354 AMAQI
15th Jul 2026385 AMAQI
15th Jul 2026286 AMAQI
15th Jul 2026397 AMAQI
15th Jul 2026308 AMAQI
15th Jul 2026439 AMAQI
15th Jul 20265010 AMAQI
15th Jul 20265211 AMAQI
15th Jul 20265612 PMAQI
15th Jul 2026421 PMAQI
15th Jul 2026472 PMAQI
15th Jul 2026523 PMAQI
15th Jul 2026554 PMAQI
15th Jul 2026605 PMAQI
15th Jul 2026576 PMAQI
15th Jul 2026487 PMAQI
15th Jul 2026548 PMAQI
15th Jul 2026529 PMAQI
15th Jul 20265510 PMAQI
15th Jul 20265711 PMAQI
16th Jul 20266212 AMAQI
16th Jul 2026531 AMAQI
16th Jul 2026512 AMAQI
16th Jul 2026553 AMAQI
28°C25/32°C
16th Jul 2026764 AMAQI
16th Jul 2026775 AMAQI
16th Jul 2026746 AMAQI
16th Jul 2026737 AMAQI
16th Jul 2026778 AMAQI
16th Jul 2026789 AMAQI
16th Jul 20267610 AMAQI
16th Jul 20267911 AMAQI
16th Jul 20267712 PMAQI
16th Jul 2026821 PMAQI
16th Jul 2026882 PMAQI
16th Jul 2026913 PMAQI
16th Jul 2026934 PMAQI
16th Jul 2026855 PMAQI
16th Jul 2026776 PMAQI
16th Jul 2026847 PMAQI
16th Jul 2026728 PMAQI
16th Jul 2026659 PMAQI
16th Jul 20266310 PMAQI
16th Jul 20266211 PMAQI
17th Jul 20265612 AMAQI
17th Jul 2026561 AMAQI
17th Jul 2026552 AMAQI
17th Jul 2026553 AMAQI
28°C26/32°C
17th Jul 2026554 AMAQI
17th Jul 2026565 AMAQI
17th Jul 2026596 AMAQI
17th Jul 2026597 AMAQI
17th Jul 2026598 AMAQI
17th Jul 2026599 AMAQI
17th Jul 20266210 AMAQI
17th Jul 20266511 AMAQI
17th Jul 20266112 PMAQI
17th Jul 2026391 PMAQI
17th Jul 2026322 PMAQI
17th Jul 2026313 PMAQI
17th Jul 2026354 PMAQI
17th Jul 2026385 PMAQI
17th Jul 2026456 PMAQI
17th Jul 2026457 PMAQI
17th Jul 2026378 PMAQI
17th Jul 2026299 PMAQI
17th Jul 20262410 PMAQI
17th Jul 20262211 PMAQI
18th Jul 20261812 AMAQI
18th Jul 2026181 AMAQI
18th Jul 2026182 AMAQI
18th Jul 2026153 AMAQI
28°C25/30°C
18th Jul 2026164 AMAQI
18th Jul 2026175 AMAQI
18th Jul 2026146 AMAQI
18th Jul 2026167 AMAQI
18th Jul 2026168 AMAQI
18th Jul 2026149 AMAQI
18th Jul 20261510 AMAQI
18th Jul 20261911 AMAQI
18th Jul 20261512 PMAQI
18th Jul 2026171 PMAQI
18th Jul 2026122 PMAQI
18th Jul 2026123 PMAQI
18th Jul 2026144 PMAQI
18th Jul 2026205 PMAQI
18th Jul 2026216 PMAQI
18th Jul 2026207 PMAQI
18th Jul 2026188 PMAQI
18th Jul 2026239 PMAQI
18th Jul 20262510 PMAQI
18th Jul 20262611 PMAQI
19th Jul 20262312 AMAQI
19th Jul 2026251 AMAQI
19th Jul 2026262 AMAQI
19th Jul 2026223 AMAQI
27°C24/29°C
19th Jul 2026244 AMAQI
19th Jul 2026235 AMAQI
19th Jul 2026236 AMAQI
19th Jul 2026267 AMAQI
19th Jul 2026278 AMAQI
19th Jul 2026279 AMAQI
19th Jul 20262510 AMAQI
19th Jul 20262911 AMAQI
19th Jul 20262512 PMAQI
19th Jul 2026261 PMAQI
19th Jul 2026242 PMAQI
19th Jul 2026243 PMAQI
19th Jul 2026234 PMAQI
19th Jul 2026275 PMAQI
19th Jul 2026336 PMAQI
19th Jul 2026357 PMAQI
19th Jul 2026368 PMAQI
19th Jul 2026369 PMAQI
19th Jul 20263710 PMAQI
19th Jul 20263611 PMAQI
20th Jul 20263112 AMAQI
20th Jul 2026311 AMAQI
20th Jul 2026292 AMAQI
20th Jul 2026353 AMAQI
27°C24/29°C
20th Jul 2026314 AMAQI
20th Jul 2026345 AMAQI
20th Jul 2026346 AMAQI
20th Jul 2026367 AMAQI
20th Jul 2026318 AMAQI
20th Jul 2026319 AMAQI
20th Jul 20263810 AMAQI
20th Jul 20263711 AMAQI
20th Jul 20263712 PMAQI
20th Jul 2026341 PMAQI
20th Jul 2026322 PMAQI
20th Jul 2026473 PMAQI
20th Jul 2026604 PMAQI
20th Jul 2026555 PMAQI
20th Jul 2026486 PMAQI
20th Jul 2026467 PMAQI
20th Jul 2026438 PMAQI
20th Jul 2026459 PMAQI
20th Jul 20264310 PMAQI
20th Jul 20263411 PMAQI
21st Jul 20263412 AMAQI
21st Jul 2026341 AMAQI
21st Jul 2026342 AMAQI
21st Jul 2026333 AMAQI
29°C25/34°C
21st Jul 2026364 AMAQI
21st Jul 2026365 AMAQI
21st Jul 2026326 AMAQI
21st Jul 2026317 AMAQI
21st Jul 2026338 AMAQI
21st Jul 2026389 AMAQI
21st Jul 20265410 AMAQI
21st Jul 20265511 AMAQI
21st Jul 2026571 PMAQI
21st Jul 2026562 PMAQI
21st Jul 2026663 PMAQI
21st Jul 2026684 PMAQI
21st Jul 2026685 PMAQI
21st Jul 2026606 PMAQI
21st Jul 2026897 PMAQI
21st Jul 2026528 PMAQI
21st Jul 2026519 PMAQI
21st Jul 20265410 PMAQI
21st Jul 20265411 PMAQI
22nd Jul 20265512 AMAQI
22nd Jul 2026571 AMAQI
22nd Jul 2026602 AMAQI
22nd Jul 2026593 AMAQI
30°C26/35°C
22nd Jul 2026624 AMAQI
22nd Jul 2026605 AMAQI
22nd Jul 2026616 AMAQI
22nd Jul 2026607 AMAQI
22nd Jul 2026628 AMAQI
22nd Jul 2026619 AMAQI
22nd Jul 20266110 AMAQI
22nd Jul 20266611 AMAQI
22nd Jul 20267112 PMAQI
22nd Jul 2026751 PMAQI
22nd Jul 2026762 PMAQI
22nd Jul 2026773 PMAQI
22nd Jul 2026744 PMAQI
22nd Jul 2026675 PMAQI
22nd Jul 2026696 PMAQI
22nd Jul 2026707 PMAQI
22nd Jul 2026698 PMAQI
22nd Jul 2026739 PMAQI
22nd Jul 20267010 PMAQI
22nd Jul 20267711 PMAQI
23rd Jul 20267512 AMAQI
23rd Jul 2026701 AMAQI
23rd Jul 2026632 AMAQI
23rd Jul 2026623 AMAQI
30°C26/34°C
23rd Jul 2026604 AMAQI
23rd Jul 2026595 AMAQI
23rd Jul 2026596 AMAQI
23rd Jul 2026627 AMAQI
23rd Jul 2026608 AMAQI
23rd Jul 2026659 AMAQI
23rd Jul 20266810 AMAQI
23rd Jul 20267411 AMAQI
23rd Jul 20267512 PMAQI
23rd Jul 2026761 PMAQI
23rd Jul 2026702 PMAQI
23rd Jul 2026673 PMAQI
23rd Jul 2026624 PMAQI
23rd Jul 2026615 PMAQI
23rd Jul 2026546 PMAQI
23rd Jul 2026487 PMAQI
23rd Jul 2026338 PMAQI
23rd Jul 2026269 PMAQI
23rd Jul 20262810 PMAQI
23rd Jul 20262311 PMAQI
24th Jul 20263312 AMAQI
24th Jul 2026281 AMAQI
24th Jul 2026272 AMAQI
24th Jul 2026293 AMAQI
30°C27/35°C
24th Jul 2026274 AMAQI
24th Jul 2026285 AMAQI
24th Jul 2026286 AMAQI
24th Jul 2026347 AMAQI
24th Jul 2026428 AMAQI
24th Jul 2026359 AMAQI
24th Jul 20262810 AMAQI
24th Jul 20263211 AMAQI
24th Jul 20263812 PMAQI
24th Jul 2026371 PMAQI
24th Jul 2026402 PMAQI
24th Jul 2026393 PMAQI
24th Jul 2026384 PMAQI
24th Jul 2026365 PMAQI
24th Jul 2026346 PMAQI
24th Jul 2026317 PMAQI
24th Jul 2026248 PMAQI
24th Jul 2026239 PMAQI
24th Jul 20262610 PMAQI
24th Jul 20262511 PMAQI
25th Jul 20262912 AMAQI
25th Jul 2026291 AMAQI
25th Jul 2026302 AMAQI
25th Jul 2026293 AMAQI
28°C26/32°C
25th Jul 2026284 AMAQI
25th Jul 2026285 AMAQI
25th Jul 2026316 AMAQI
25th Jul 2026337 AMAQI
25th Jul 2026348 AMAQI
25th Jul 2026399 AMAQI
25th Jul 20264610 AMAQI
25th Jul 20264911 AMAQI
25th Jul 20265212 PMAQI
25th Jul 2026531 PMAQI
25th Jul 2026502 PMAQI
25th Jul 2026493 PMAQI
25th Jul 2026454 PMAQI
25th Jul 2026435 PMAQI
25th Jul 2026346 PMAQI
25th Jul 2026247 PMAQI
25th Jul 2026298 PMAQI
25th Jul 2026229 PMAQI
25th Jul 20262210 PMAQI
25th Jul 20262311 PMAQI
26th Jul 20262412 AMAQI
26th Jul 2026301 AMAQI
26th Jul 2026382 AMAQI
26th Jul 2026343 AMAQI
27°C23/32°C
26th Jul 2026324 AMAQI
26th Jul 2026335 AMAQI
26th Jul 2026346 AMAQI
26th Jul 2026297 AMAQI
26th Jul 2026298 AMAQI
26th Jul 2026309 AMAQI
26th Jul 20262410 AMAQI
26th Jul 20263211 AMAQI
26th Jul 20263212 PMAQI
26th Jul 2026451 PMAQI
26th Jul 2026482 PMAQI
26th Jul 2026543 PMAQI
26th Jul 2026434 PMAQI
26th Jul 2026375 PMAQI
26th Jul 2026346 PMAQI
26th Jul 2026317 PMAQI
26th Jul 2026398 PMAQI
26th Jul 2026339 PMAQI
26th Jul 20263110 PMAQI
26th Jul 20262811 PMAQI
27th Jul 20262712 AMAQI
27th Jul 2026281 AMAQI
27th Jul 2026262 AMAQI
27th Jul 2026243 AMAQI
27°C24/30°C
27th Jul 2026244 AMAQI
27th Jul 2026245 AMAQI
27th Jul 2026246 AMAQI
27th Jul 2026247 AMAQI
27th Jul 2026318 AMAQI
27th Jul 2026259 AMAQI
27th Jul 20263010 AMAQI
27th Jul 20262611 AMAQI
27th Jul 20262412 PMAQI
27th Jul 2026241 PMAQI
27th Jul 2026322 PMAQI
27th Jul 2026303 PMAQI
27th Jul 2026284 PMAQI
27th Jul 2026275 PMAQI
27th Jul 2026316 PMAQI
27th Jul 2026307 PMAQI
27th Jul 2026328 PMAQI
27th Jul 2026289 PMAQI
27th Jul 20263010 PMAQI
27th Jul 20262811 PMAQI
28th Jul 20263412 AMAQI
28th Jul 2026361 AMAQI
28th Jul 2026312 AMAQI
28th Jul 2026363 AMAQI
26°C23/29°C
28th Jul 2026324 AMAQI
28th Jul 2026335 AMAQI
28th Jul 2026356 AMAQI
28th Jul 2026337 AMAQI
28th Jul 2026388 AMAQI
28th Jul 2026399 AMAQI
28th Jul 20264010 AMAQI
28th Jul 20264211 AMAQI
28th Jul 20263712 PMAQI
28th Jul 2026361 PMAQI
28th Jul 2026402 PMAQI
28th Jul 2026403 PMAQI
28th Jul 2026404 PMAQI
28th Jul 2026425 PMAQI
28th Jul 2026376 PMAQI
28th Jul 2026357 PMAQI
28th Jul 2026398 PMAQI
28th Jul 2026429 PMAQI
28th Jul 20263810 PMAQI
28th Jul 20264411 PMAQI
29th Jul 20265112 AMAQI
29th Jul 2026501 AMAQI
29th Jul 2026502 AMAQI
29th Jul 2026393 AMAQI
26°C23/29°C
29th Jul 2026524 AMAQI
29th Jul 2026515 AMAQI
29th Jul 2026526 AMAQI
29th Jul 2026517 AMAQI
29th Jul 2026428 AMAQI
29th Jul 2026489 AMAQI
29th Jul 20264510 AMAQI
29th Jul 20263311 AMAQI
29th Jul 20263412 PMAQI
29th Jul 2026271 PMAQI
29th Jul 2026262 PMAQI
29th Jul 2026243 PMAQI
29th Jul 2026254 PMAQI
29th Jul 2026265 PMAQI
29th Jul 2026256 PMAQI
29th Jul 2026277 PMAQI
29th Jul 2026258 PMAQI
29th Jul 2026249 PMAQI
29th Jul 20262710 PMAQI
29th Jul 20263511 PMAQI
30th Jul 20263612 AMAQI
30th Jul 2026311 AMAQI
30th Jul 2026322 AMAQI
30th Jul 2026313 AMAQI
28°C24/33°C
30th Jul 2026324 AMAQI
30th Jul 2026325 AMAQI
30th Jul 2026336 AMAQI
30th Jul 2026317 AMAQI
30th Jul 2026288 AMAQI
30th Jul 2026269 AMAQI
30th Jul 20263110 AMAQI
30th Jul 20263211 AMAQI
30th Jul 20263812 PMAQI
30th Jul 2026431 PMAQI
30th Jul 2026472 PMAQI
30th Jul 2026563 PMAQI
30th Jul 2026594 PMAQI
30th Jul 2026595 PMAQI
30th Jul 2026586 PMAQI
30th Jul 2026557 PMAQI
30th Jul 2026508 PMAQI
30th Jul 2026469 PMAQI
30th Jul 20265010 PMAQI
30th Jul 20265611 PMAQI
31st Jul 20265412 AMAQI
31st Jul 2026551 AMAQI
31st Jul 2026352 AMAQI
31st Jul 2026323 AMAQI
30°C26/34°C
31st Jul 2026334 AMAQI
31st Jul 2026395 AMAQI
31st Jul 2026416 AMAQI
31st Jul 2026407 AMAQI
31st Jul 2026408 AMAQI
31st Jul 2026459 AMAQI
31st Jul 20264510 AMAQI
31st Jul 20264811 AMAQI
31st Jul 20265312 PMAQI
31st Jul 2026531 PMAQI
31st Jul 2026452 PMAQI
31st Jul 2026423 PMAQI
31st Jul 2026434 PMAQI
31st Jul 2026455 PMAQI
31st Jul 2026516 PMAQI
31st Jul 2026517 PMAQI
31st Jul 2026408 PMAQI
31st Jul 2026489 PMAQI
31st Jul 20264510 PMAQI
31st Jul 20264611 PMAQI
1st Aug 20264712 AMAQI
1st Aug 2026451 AMAQI
1st Aug 2026482 AMAQI
1st Aug 2026533 AMAQI
29°C27/34°C
1st Aug 2026534 AMAQI
1st Aug 2026545 AMAQI
1st Aug 2026536 AMAQI
1st Aug 2026547 AMAQI
1st Aug 2026538 AMAQI
1st Aug 2026639 AMAQI
1st Aug 20266810 AMAQI
1st Aug 20266611 AMAQI
1st Aug 20266512 PMAQI
1st Aug 2026671 PMAQI
1st Aug 2026662 PMAQI
1st Aug 2026653 PMAQI
1st Aug 2026604 PMAQI
1st Aug 2026595 PMAQI
1st Aug 2026706 PMAQI
1st Aug 2026727 PMAQI
1st Aug 2026748 PMAQI
1st Aug 2026719 PMAQI
1st Aug 20267510 PMAQI
1st Aug 20266911 PMAQI
2nd Aug 20267112 AMAQI
2nd Aug 2026681 AMAQI
2nd Aug 2026672 AMAQI
2nd Aug 2026693 AMAQI
30°C26/34°C
2nd Aug 2026714 AMAQI
2nd Aug 2026665 AMAQI
2nd Aug 2026656 AMAQI
2nd Aug 2026657 AMAQI
2nd Aug 2026698 AMAQI
2nd Aug 2026709 AMAQI
2nd Aug 20267410 AMAQI
2nd Aug 20267211 AMAQI
2nd Aug 20267112 PMAQI
2nd Aug 2026631 PMAQI
2nd Aug 2026632 PMAQI
2nd Aug 2026513 PMAQI
2nd Aug 2026494 PMAQI
2nd Aug 2026395 PMAQI
2nd Aug 2026346 PMAQI
2nd Aug 2026277 PMAQI
2nd Aug 2026248 PMAQI
2nd Aug 2026249 PMAQI
2nd Aug 20261610 PMAQI
2nd Aug 20261511 PMAQI
3rd Aug 20261812 AMAQI
3rd Aug 2026161 AMAQI
3rd Aug 2026152 AMAQI
3rd Aug 2026183 AMAQI
28°C24/33°C
3rd Aug 2026164 AMAQI
3rd Aug 2026165 AMAQI
3rd Aug 2026146 AMAQI
3rd Aug 2026147 AMAQI
3rd Aug 2026188 AMAQI
3rd Aug 2026209 AMAQI
3rd Aug 20261910 AMAQI
3rd Aug 20262011 AMAQI
3rd Aug 20261512 PMAQI
3rd Aug 2026201 PMAQI
3rd Aug 2026182 PMAQI
3rd Aug 2026223 PMAQI
3rd Aug 2026224 PMAQI
3rd Aug 2026255 PMAQI
3rd Aug 2026246 PMAQI
3rd Aug 2026247 PMAQI
3rd Aug 2026228 PMAQI
3rd Aug 2026209 PMAQI
3rd Aug 20262110 PMAQI
3rd Aug 20262111 PMAQI
4th Aug 20261812 AMAQI
4th Aug 2026211 AMAQI
4th Aug 2026232 AMAQI
4th Aug 2026193 AMAQI
24°C23/27°C
4th Aug 2026214 AMAQI
4th Aug 2026215 AMAQI
4th Aug 2026216 AMAQI
4th Aug 2026237 AMAQI
4th Aug 2026208 AMAQI
4th Aug 2026199 AMAQI
4th Aug 20262410 AMAQI
4th Aug 20262611 AMAQI
4th Aug 20262712 PMAQI
4th Aug 2026261 PMAQI
4th Aug 2026262 PMAQI
4th Aug 2026313 PMAQI
4th Aug 2026304 PMAQI
4th Aug 2026345 PMAQI
4th Aug 2026316 PMAQI
4th Aug 2026347 PMAQI
4th Aug 2026318 PMAQI
4th Aug 2026339 PMAQI
4th Aug 20263210 PMAQI
4th Aug 20263411 PMAQI
5th Aug 20263212 AMAQI
5th Aug 2026321 AMAQI
5th Aug 2026322 AMAQI
5th Aug 2026313 AMAQI
24°C22/27°C
5th Aug 2026274 AMAQI
5th Aug 2026295 AMAQI
5th Aug 2026276 AMAQI
5th Aug 2026287 AMAQI
5th Aug 2026308 AMAQI
5th Aug 2026259 AMAQI
5th Aug 20262410 AMAQI
5th Aug 20262311 AMAQI
5th Aug 20262712 PMAQI
5th Aug 2026251 PMAQI
5th Aug 2026272 PMAQI
5th Aug 2026243 PMAQI
5th Aug 2026274 PMAQI
5th Aug 2026335 PMAQI
5th Aug 2026286 PMAQI
5th Aug 2026277 PMAQI
5th Aug 2026268 PMAQI
5th Aug 2026289 PMAQI
5th Aug 20263110 PMAQI
5th Aug 20263211 PMAQI
6th Aug 20262912 AMAQI
6th Aug 2026301 AMAQI
6th Aug 2026292 AMAQI
6th Aug 2026273 AMAQI
25°C22/29°C
6th Aug 2026294 AMAQI
6th Aug 2026295 AMAQI
6th Aug 2026286 AMAQI
6th Aug 2026327 AMAQI
6th Aug 2026328 AMAQI
6th Aug 2026339 AMAQI
6th Aug 20263310 AMAQI
6th Aug 20263511 AMAQI
6th Aug 20263512 PMAQI
6th Aug 2026291 PMAQI
6th Aug 2026312 PMAQI
6th Aug 2026313 PMAQI
6th Aug 2026314 PMAQI
6th Aug 2026295 PMAQI
6th Aug 2026296 PMAQI
6th Aug 2026287 PMAQI
6th Aug 2026298 PMAQI
6th Aug 2026299 PMAQI
6th Aug 20263210 PMAQI
6th Aug 20263211 PMAQI
7th Aug 20263612 AMAQI
7th Aug 2026361 AMAQI
7th Aug 2026322 AMAQI
7th Aug 2026363 AMAQI
28°C24/32°C
7th Aug 2026344 AMAQI
7th Aug 2026335 AMAQI
7th Aug 2026316 AMAQI
7th Aug 2026307 AMAQI
7th Aug 2026358 AMAQI
7th Aug 2026339 AMAQI
7th Aug 20263210 AMAQI
7th Aug 20264211 AMAQI
7th Aug 20264012 PMAQI
7th Aug 2026411 PMAQI
7th Aug 2026332 PMAQI
7th Aug 2026303 PMAQI
7th Aug 2026304 PMAQI
7th Aug 2026325 PMAQI
7th Aug 2026316 PMAQI
7th Aug 2026287 PMAQI
7th Aug 2026318 PMAQI
7th Aug 2026259 PMAQI
7th Aug 20263310 PMAQI
7th Aug 20263411 PMAQI
8th Aug 20263312 AMAQI
8th Aug 2026341 AMAQI
8th Aug 2026312 AMAQI
8th Aug 2026303 AMAQI
28°C25/32°C
8th Aug 2026294 AMAQI
8th Aug 2026275 AMAQI
8th Aug 2026286 AMAQI
8th Aug 2026297 AMAQI
8th Aug 2026268 AMAQI
8th Aug 2026339 AMAQI
8th Aug 20263310 AMAQI
8th Aug 20263411 AMAQI
8th Aug 20263112 PMAQI
8th Aug 2026291 PMAQI
8th Aug 2026272 PMAQI
8th Aug 2026273 PMAQI
8th Aug 2026284 PMAQI
8th Aug 2026265 PMAQI
8th Aug 2026296 PMAQI
8th Aug 2026267 PMAQI
8th Aug 2026268 PMAQI
8th Aug 2026259 PMAQI
8th Aug 20262710 PMAQI
8th Aug 20262611 PMAQI
9th Aug 20262412 AMAQI
9th Aug 2026271 AMAQI
9th Aug 2026292 AMAQI
9th Aug 2026283 AMAQI
28°C24/32°C
9th Aug 2026244 AMAQI
9th Aug 2026275 AMAQI
9th Aug 2026246 AMAQI
9th Aug 2026287 AMAQI
9th Aug 2026318 AMAQI
9th Aug 2026279 AMAQI
9th Aug 20262710 AMAQI
9th Aug 20262811 AMAQI
9th Aug 20263112 PMAQI
9th Aug 2026241 PMAQI
9th Aug 2026262 PMAQI
9th Aug 2026293 PMAQI
9th Aug 2026314 PMAQI
9th Aug 2026295 PMAQI
9th Aug 2026316 PMAQI
9th Aug 2026297 PMAQI
9th Aug 2026528 PMAQI
9th Aug 2026319 PMAQI
9th Aug 20262710 PMAQI
9th Aug 20262711 PMAQI
10th Aug 20262612 AMAQI
10th Aug 2026261 AMAQI
10th Aug 2026262 AMAQI
10th Aug 2026253 AMAQI
28°C24/32°C
10th Aug 2026264 AMAQI
10th Aug 2026235 AMAQI
10th Aug 2026256 AMAQI
10th Aug 2026277 AMAQI
10th Aug 2026248 AMAQI
10th Aug 2026269 AMAQI
10th Aug 20262910 AMAQI
10th Aug 20262911 AMAQI
10th Aug 20262812 PMAQI
10th Aug 2026261 PMAQI
10th Aug 2026222 PMAQI
10th Aug 2026223 PMAQI
10th Aug 2026254 PMAQI
10th Aug 2026225 PMAQI
10th Aug 2026356 PMAQI
10th Aug 2026247 PMAQI
10th Aug 2026398 PMAQI
10th Aug 2026289 PMAQI
10th Aug 20263110 PMAQI
10th Aug 20263211 PMAQI
11th Aug 20263212 AMAQI
11th Aug 2026311 AMAQI
11th Aug 2026292 AMAQI
11th Aug 2026313 AMAQI
26°C23/30°C
11th Aug 2026314 AMAQI
11th Aug 2026295 AMAQI
11th Aug 2026336 AMAQI
11th Aug 2026347 AMAQI
11th Aug 2026448 AMAQI
11th Aug 2026389 AMAQI
11th Aug 20263710 AMAQI
11th Aug 20263011 AMAQI
11th Aug 20262612 PMAQI
11th Aug 2026271 PMAQI
11th Aug 2026242 PMAQI
11th Aug 2026263 PMAQI
11th Aug 2026244 PMAQI
11th Aug 2026245 PMAQI
11th Aug 2026286 PMAQI
11th Aug 2026217 PMAQI
11th Aug 2026298 PMAQI
11th Aug 2026269 PMAQI
11th Aug 20262710 PMAQI
11th Aug 20262711 PMAQI
12th Aug 20262612 AMAQI
12th Aug 2026251 AMAQI
12th Aug 2026242 AMAQI
12th Aug 2026243 AMAQI
23°C19/27°C
12th Aug 2026244 AMAQI
12th Aug 2026255 AMAQI
12th Aug 2026236 AMAQI
12th Aug 2026267 AMAQI
12th Aug 2026268 AMAQI
12th Aug 2026269 AMAQI
12th Aug 20262410 AMAQI
12th Aug 20262211 AMAQI
12th Aug 20262812 PMAQI
12th Aug 2026251 PMAQI
12th Aug 2026232 PMAQI
12th Aug 2026243 PMAQI
12th Aug 2026264 PMAQI
12th Aug 2026265 PMAQI
12th Aug 2026276 PMAQI
12th Aug 2026287 PMAQI
12th Aug 2026258 PMAQI
12th Aug 2026269 PMAQI
12th Aug 20262710 PMAQI
12th Aug 20262511 PMAQI
13th Aug 20262612 AMAQI
13th Aug 2026241 AMAQI
13th Aug 2026242 AMAQI
13th Aug 2026243 AMAQI
23°C21/25°C
13th Aug 2026244 AMAQI
4 AM13th Aug 2026245 AMAQI
13th Aug 2026236 AMAQI
13th Aug 2026257 AMAQI
13th Aug 2026258 AMAQI
13th Aug 2026319 AMAQI
13th Aug 20263310 AMAQI
13th Aug 20263411 AMAQI
11 AM13th Aug 20263912 PMAQI
13th Aug 2026341 PMAQI
13th Aug 2026292 PMAQI
13th Aug 2026243 PMAQI
13th Aug 2026264 PMAQI
13th Aug 2026245 PMAQI
13th Aug 2026266 PMAQI
6 PM13th Aug 2026297 PMAQI
13th Aug 2026328 PMAQI
13th Aug 2026309 PMAQI
13th Aug 20263410 PMAQI
13th Aug 20263211 PMAQI
11 PM3 AM
26°C23/30°C
Day time
Avg. Highest Time
10 AM - 6 PM
40AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
4 AM - 9 AM
36AQI
6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 6 PM (Avg. 40), while the lowest AQI was between 4 AM to 9 AM (Avg. 36).
Night time
Avg. Highest Time
7 PM - 8 PM
39AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
12 AM - 3 AM
36AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 8 PM (Avg. 39), while the lowest AQI was between 12 AM to 3 AM (Avg. 36).
2026 Days Vs Air Quality
Yotsukaido, Chiba, Japan
2026
86%
193
14%
31
Total number of days with different AQI categories in last 225 days in 2026 (140 days remaining)
Good
193 DaysModerate
31 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2026, 86% of 225 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
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
18AQI (US)
18AQI (US)
2nd January 2026
23AQI (US)
23AQI (US)
3rd January 2026
20AQI (US)
20AQI (US)
4th January 2026
25AQI (US)
25AQI (US)
5th January 2026
50AQI (US)
50AQI (US)
6th January 2026
25AQI (US)
25AQI (US)
7th January 2026
36AQI (US)
36AQI (US)
8th January 2026
41AQI (US)
41AQI (US)
9th January 2026
18AQI (US)
18AQI (US)
10th January 2026
42AQI (US)
42AQI (US)
11th January 2026
40AQI (US)
40AQI (US)
12th January 2026
23AQI (US)
23AQI (US)
13th January 2026
47AQI (US)
47AQI (US)
14th January 2026
17AQI (US)
17AQI (US)
15th January 2026
37AQI (US)
37AQI (US)
16th January 2026
49AQI (US)
49AQI (US)
17th January 2026
54AQI (US)
54AQI (US)
18th January 2026
36AQI (US)
36AQI (US)
19th January 2026
41AQI (US)
41AQI (US)
20th January 2026
44AQI (US)
44AQI (US)
21st January 2026
14AQI (US)
14AQI (US)
22nd January 2026
27AQI (US)
27AQI (US)
23rd January 2026
38AQI (US)
38AQI (US)
24th January 2026
41AQI (US)
41AQI (US)
25th January 2026
27AQI (US)
27AQI (US)
26th January 2026
21AQI (US)
21AQI (US)
27th January 2026
42AQI (US)
42AQI (US)
28th January 2026
31AQI (US)
31AQI (US)
29th January 2026
18AQI (US)
18AQI (US)
30th January 2026
33AQI (US)
33AQI (US)
31st January 2026
37AQI (US)
37AQI (US)
1st February 2026
39AQI (US)
39AQI (US)
2nd February 2026
36AQI (US)
36AQI (US)
3rd February 2026
17AQI (US)
17AQI (US)
4th February 2026
39AQI (US)
39AQI (US)
5th February 2026
66AQI (US)
66AQI (US)
6th February 2026
65AQI (US)
65AQI (US)
7th February 2026
15AQI (US)
15AQI (US)
8th February 2026
10AQI (US)
10AQI (US)
9th February 2026
32AQI (US)
32AQI (US)
10th February 2026
39AQI (US)
39AQI (US)
11th February 2026
61AQI (US)
61AQI (US)
12th February 2026
35AQI (US)
35AQI (US)
13th February 2026
42AQI (US)
42AQI (US)
14th February 2026
55AQI (US)
55AQI (US)
15th February 2026
55AQI (US)
55AQI (US)
16th February 2026
51AQI (US)
51AQI (US)
17th February 2026
14AQI (US)
14AQI (US)
18th February 2026
33AQI (US)
33AQI (US)
19th February 2026
13AQI (US)
13AQI (US)
20th February 2026
22AQI (US)
22AQI (US)
21st February 2026
42AQI (US)
42AQI (US)
22nd February 2026
45AQI (US)
45AQI (US)
23rd February 2026
30AQI (US)
30AQI (US)
24th February 2026
36AQI (US)
36AQI (US)
25th February 2026
16AQI (US)
16AQI (US)
26th February 2026
16AQI (US)
16AQI (US)
27th February 2026
43AQI (US)
43AQI (US)
28th February 2026
43AQI (US)
43AQI (US)
1st March 2026
35AQI (US)
35AQI (US)
2nd March 2026
72AQI (US)
72AQI (US)
3rd March 2026
43AQI (US)
43AQI (US)
4th March 2026
56AQI (US)
56AQI (US)
5th March 2026
53AQI (US)
53AQI (US)
6th March 2026
49AQI (US)
49AQI (US)
7th March 2026
45AQI (US)
45AQI (US)
8th March 2026
40AQI (US)
40AQI (US)
9th March 2026
49AQI (US)
49AQI (US)
10th March 2026
58AQI (US)
58AQI (US)
11th March 2026
57AQI (US)
57AQI (US)
12th March 2026
66AQI (US)
66AQI (US)
13th March 2026
40AQI (US)
40AQI (US)
14th March 2026
45AQI (US)
45AQI (US)
15th March 2026
56AQI (US)
56AQI (US)
16th March 2026
48AQI (US)
48AQI (US)
17th March 2026
36AQI (US)
36AQI (US)
18th March 2026
39AQI (US)
39AQI (US)
19th March 2026
41AQI (US)
41AQI (US)
20th March 2026
33AQI (US)
33AQI (US)
21st March 2026
42AQI (US)
42AQI (US)
22nd March 2026
51AQI (US)
51AQI (US)
23rd March 2026
43AQI (US)
43AQI (US)
24th March 2026
41AQI (US)
41AQI (US)
25th March 2026
46AQI (US)
46AQI (US)
26th March 2026
29AQI (US)
29AQI (US)
27th March 2026
29AQI (US)
29AQI (US)
28th March 2026
51AQI (US)
51AQI (US)
29th March 2026
56AQI (US)
56AQI (US)
30th March 2026
52AQI (US)
52AQI (US)
31st March 2026
23AQI (US)
23AQI (US)
1st April 2026
27AQI (US)
27AQI (US)
2nd April 2026
10AQI (US)
10AQI (US)
3rd April 2026
39AQI (US)
39AQI (US)
4th April 2026
45AQI (US)
45AQI (US)
5th April 2026
38AQI (US)
38AQI (US)
6th April 2026
29AQI (US)
29AQI (US)
7th April 2026
26AQI (US)
26AQI (US)
8th April 2026
19AQI (US)
19AQI (US)
9th April 2026
28AQI (US)
28AQI (US)
10th April 2026
47AQI (US)
47AQI (US)
11th April 2026
42AQI (US)
42AQI (US)
12th April 2026
29AQI (US)
29AQI (US)
13th April 2026
35AQI (US)
35AQI (US)
14th April 2026
38AQI (US)
38AQI (US)
15th April 2026
35AQI (US)
35AQI (US)
16th April 2026
33AQI (US)
33AQI (US)
17th April 2026
35AQI (US)
35AQI (US)
18th April 2026
30AQI (US)
30AQI (US)
19th April 2026
31AQI (US)
31AQI (US)
20th April 2026
35AQI (US)
35AQI (US)
21st April 2026
39AQI (US)
39AQI (US)
22nd April 2026
45AQI (US)
45AQI (US)
23rd April 2026
38AQI (US)
38AQI (US)
24th April 2026
32AQI (US)
32AQI (US)
25th April 2026
44AQI (US)
44AQI (US)
26th April 2026
50AQI (US)
50AQI (US)
27th April 2026
48AQI (US)
48AQI (US)
28th April 2026
43AQI (US)
43AQI (US)
29th April 2026
38AQI (US)
38AQI (US)
30th April 2026
18AQI (US)
18AQI (US)
1st May 2026
43AQI (US)
43AQI (US)
2nd May 2026
48AQI (US)
48AQI (US)
3rd May 2026
43AQI (US)
43AQI (US)
4th May 2026
31AQI (US)
31AQI (US)
5th May 2026
21AQI (US)
21AQI (US)
6th May 2026
28AQI (US)
28AQI (US)
7th May 2026
27AQI (US)
27AQI (US)
8th May 2026
25AQI (US)
25AQI (US)
9th May 2026
21AQI (US)
21AQI (US)
10th May 2026
30AQI (US)
30AQI (US)
11th May 2026
29AQI (US)
29AQI (US)
12th May 2026
31AQI (US)
31AQI (US)
13th May 2026
38AQI (US)
38AQI (US)
14th May 2026
35AQI (US)
35AQI (US)
15th May 2026
34AQI (US)
34AQI (US)
16th May 2026
86AQI (US)
86AQI (US)
17th May 2026
69AQI (US)
69AQI (US)
18th May 2026
53AQI (US)
53AQI (US)
19th May 2026
49AQI (US)
49AQI (US)
20th May 2026
62AQI (US)
62AQI (US)
21st May 2026
59AQI (US)
59AQI (US)
22nd May 2026
59AQI (US)
59AQI (US)
23rd May 2026
53AQI (US)
53AQI (US)
24th May 2026
58AQI (US)
58AQI (US)
25th May 2026
46AQI (US)
46AQI (US)
26th May 2026
39AQI (US)
39AQI (US)
27th May 2026
24AQI (US)
24AQI (US)
28th May 2026
26AQI (US)
26AQI (US)
29th May 2026
26AQI (US)
26AQI (US)
30th May 2026
23AQI (US)
23AQI (US)
31st May 2026
29AQI (US)
29AQI (US)
1st June 2026
38AQI (US)
38AQI (US)
2nd June 2026
28AQI (US)
28AQI (US)
3rd June 2026
17AQI (US)
17AQI (US)
4th June 2026
21AQI (US)
21AQI (US)
5th June 2026
22AQI (US)
22AQI (US)
6th June 2026
21AQI (US)
21AQI (US)
7th June 2026
22AQI (US)
22AQI (US)
8th June 2026
21AQI (US)
21AQI (US)
9th June 2026
23AQI (US)
23AQI (US)
10th June 2026
22AQI (US)
22AQI (US)
11th June 2026
24AQI (US)
24AQI (US)
12th June 2026
23AQI (US)
23AQI (US)
13th June 2026
41AQI (US)
41AQI (US)
14th June 2026
45AQI (US)
45AQI (US)
15th June 2026
13AQI (US)
13AQI (US)
16th June 2026
20AQI (US)
20AQI (US)
17th June 2026
24AQI (US)
24AQI (US)
18th June 2026
24AQI (US)
24AQI (US)
19th June 2026
26AQI (US)
26AQI (US)
20th June 2026
22AQI (US)
22AQI (US)
21st June 2026
20AQI (US)
20AQI (US)
22nd June 2026
19AQI (US)
19AQI (US)
23rd June 2026
21AQI (US)
21AQI (US)
24th June 2026
21AQI (US)
21AQI (US)
25th June 2026
26AQI (US)
26AQI (US)
26th June 2026
30AQI (US)
30AQI (US)
27th June 2026
26AQI (US)
26AQI (US)
28th June 2026
26AQI (US)
26AQI (US)
29th June 2026
26AQI (US)
26AQI (US)
30th June 2026
22AQI (US)
22AQI (US)
1st July 2026
32AQI (US)
32AQI (US)
2nd July 2026
21AQI (US)
21AQI (US)
3rd July 2026
17AQI (US)
17AQI (US)
4th July 2026
35AQI (US)
35AQI (US)
5th July 2026
19AQI (US)
19AQI (US)
6th July 2026
25AQI (US)
25AQI (US)
7th July 2026
26AQI (US)
26AQI (US)
8th July 2026
23AQI (US)
23AQI (US)
9th July 2026
23AQI (US)
23AQI (US)
10th July 2026
22AQI (US)
22AQI (US)
11th July 2026
22AQI (US)
22AQI (US)
12th July 2026
26AQI (US)
26AQI (US)
13th July 2026
42AQI (US)
42AQI (US)
14th July 2026
41AQI (US)
41AQI (US)
15th July 2026
45AQI (US)
45AQI (US)
16th July 2026
74AQI (US)
74AQI (US)
17th July 2026
47AQI (US)
47AQI (US)
18th July 2026
17AQI (US)
17AQI (US)
19th July 2026
28AQI (US)
28AQI (US)
20th July 2026
39AQI (US)
39AQI (US)
21st July 2026
49AQI (US)
49AQI (US)
22nd July 2026
66AQI (US)
66AQI (US)
23rd July 2026
59AQI (US)
59AQI (US)
24th July 2026
32AQI (US)
32AQI (US)
25th July 2026
35AQI (US)
35AQI (US)
26th July 2026
34AQI (US)
34AQI (US)
27th July 2026
27AQI (US)
27AQI (US)
28th July 2026
38AQI (US)
38AQI (US)
29th July 2026
37AQI (US)
37AQI (US)
30th July 2026
41AQI (US)
41AQI (US)
31st July 2026
45AQI (US)
45AQI (US)
1st August 2026
61AQI (US)
61AQI (US)
2nd August 2026
54AQI (US)
54AQI (US)
3rd August 2026
19AQI (US)
19AQI (US)
4th August 2026
26AQI (US)
26AQI (US)
5th August 2026
28AQI (US)
28AQI (US)
6th August 2026
30AQI (US)
30AQI (US)
7th August 2026
33AQI (US)
33AQI (US)
8th August 2026
29AQI (US)
29AQI (US)
9th August 2026
29AQI (US)
29AQI (US)
10th August 2026
27AQI (US)
27AQI (US)
11th August 2026
29AQI (US)
29AQI (US)
12th August 2026
25AQI (US)
25AQI (US)
13th August 2026
14th August 2026
15th August 2026
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
33AQI (US)
36AQI (US)
46AQI (US)
35AQI (US)
40AQI (US)
24AQI (US)
35AQI (US)
33AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202635AQI (US)
30
1
22
6
20
11
30
23
8
30
28
3
10
2
193
31
Highest AQI (US) recorded in
March46AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202541AQI (US)
28
3
27
1
26
5
29
1
30
1
29
1
24
7
23
8
30
13
18
15
15
13
18
287
78
Highest AQI (US) recorded in
October50AQI (US)
Lowest AQI (US) recorded in
May31AQI (US)
202439AQI (US)
29
2
25
4
24
7
25
5
27
4
29
1
13
18
30
1
27
3
31
28
2
31
319
47
Highest AQI (US) recorded in
July58AQI (US)
Lowest AQI (US) recorded in
October32AQI (US)
202341AQI (US)
22
8
20
8
28
3
24
6
27
4
20
10
25
6
30
1
30
31
22
7
23
8
302
61
Highest AQI (US) recorded in
April46AQI (US)
Lowest AQI (US) recorded in
August30AQI (US)
202240AQI (US)
25
5
17
4
24
7
23
7
28
3
24
6
22
2
1
28
28
3
26
4
26
5
272
46
Highest AQI (US) recorded in
March45AQI (US)
Lowest AQI (US) recorded in
August32AQI (US)
202138AQI (US)
20
10
23
5
26
4
1
28
2
24
7
27
3
27
4
26
5
29
1
30
1
23
7
20
11
303
60
1
Highest AQI (US) recorded in
December45AQI (US)
Lowest AQI (US) recorded in
April33AQI (US)
202038AQI (US)
11
2
19
2
18
25
5
28
3
19
12
18
1
28
3
20
10
22
9
208
47
Highest AQI (US) recorded in
August45AQI (US)
Lowest AQI (US) recorded in
May29AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
41AQI (US)Least Polluted Year Recorded
2026(Avg.)
35AQI (US)Yotsukaido's annual 2026 AQI (US) (35) shows an average percentage change of -11.3% (improved AQI (US)) compared to previous years: 2020 (38), 2021 (38), 2022 (40), 2023 (41), 2024 (39), 2025 (41).
