Sumiyoshicho, Sakata, Yamagata, 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
Sumiyoshicho, Sakata, Yamagata, Japan
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
26th Aug 2025
50AQILowest AQI recorded on
3rd Aug 2026
18AQISame Day Analysis (9th August):
On this day, AQI across the 3 years varied significantly: 2026 ranks 2nd highest AQI at 29 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 8th Aug - 9th Aug 2026
Sumiyoshicho, Sakata, Yamagata, Japan
AQI
Day
Night
.
4 AM8th Aug 2026
6 PM
3 AM9th Aug 2026
Day time
Avg. Highest Time
4PM8th Aug
44AQI
Avg. Lowest Time
7AM8th Aug
23AQI
Night time
Avg. Highest Time
3AM9th Aug
33AQI
Avg. Lowest Time
11PM8th Aug
16AQI
In the last 24 hours,
Sumiyoshicho's AQI reached its highest point of 44 at 4 PM during the Day, while the lowest point, 16, was recorded at 11 PM during the Night between 8th Aug and 9th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Sumiyoshicho, Sakata, Yamagata, Japan
JulAug
11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th
Day
Night
11th Jul 2026274 AMAQI
11th Jul 2026325 AMAQI
11th Jul 2026326 AMAQI
11th Jul 2026307 AMAQI
11th Jul 2026338 AMAQI
11th Jul 2026309 AMAQI
11th Jul 20263410 AMAQI
11th Jul 20262911 AMAQI
11th Jul 20262612 PMAQI
11th Jul 2026241 PMAQI
11th Jul 2026232 PMAQI
11th Jul 2026223 PMAQI
11th Jul 2026254 PMAQI
11th Jul 2026325 PMAQI
11th Jul 2026286 PMAQI
11th Jul 2026287 PMAQI
11th Jul 2026248 PMAQI
11th Jul 2026299 PMAQI
11th Jul 20263010 PMAQI
11th Jul 20262811 PMAQI
12th Jul 20262612 AMAQI
12th Jul 2026281 AMAQI
12th Jul 2026292 AMAQI
12th Jul 2026283 AMAQI
23°C21/26°C
12th Jul 2026264 AMAQI
12th Jul 2026285 AMAQI
12th Jul 2026286 AMAQI
12th Jul 2026307 AMAQI
12th Jul 2026288 AMAQI
12th Jul 2026289 AMAQI
12th Jul 20262910 AMAQI
12th Jul 20262511 AMAQI
12th Jul 20262612 PMAQI
12th Jul 2026201 PMAQI
12th Jul 2026212 PMAQI
12th Jul 2026213 PMAQI
12th Jul 2026244 PMAQI
12th Jul 2026285 PMAQI
12th Jul 2026286 PMAQI
12th Jul 2026287 PMAQI
12th Jul 2026268 PMAQI
12th Jul 202689 PMAQI
12th Jul 20261210 PMAQI
12th Jul 20261611 PMAQI
13th Jul 20262312 AMAQI
13th Jul 2026231 AMAQI
13th Jul 2026122 AMAQI
13th Jul 2026173 AMAQI
22°C21/23°C
13th Jul 2026144 AMAQI
13th Jul 2026125 AMAQI
13th Jul 2026126 AMAQI
13th Jul 2026127 AMAQI
13th Jul 2026108 AMAQI
13th Jul 2026129 AMAQI
13th Jul 20262210 AMAQI
13th Jul 20262511 AMAQI
13th Jul 20262412 PMAQI
13th Jul 2026231 PMAQI
13th Jul 2026202 PMAQI
13th Jul 2026203 PMAQI
13th Jul 2026224 PMAQI
13th Jul 2026235 PMAQI
13th Jul 2026286 PMAQI
13th Jul 2026267 PMAQI
13th Jul 2026288 PMAQI
13th Jul 2026289 PMAQI
13th Jul 20263010 PMAQI
13th Jul 20263011 PMAQI
14th Jul 20262812 AMAQI
14th Jul 2026311 AMAQI
14th Jul 2026302 AMAQI
14th Jul 2026313 AMAQI
23°C22/24°C
14th Jul 2026284 AMAQI
14th Jul 2026285 AMAQI
14th Jul 2026326 AMAQI
14th Jul 2026307 AMAQI
14th Jul 2026288 AMAQI
14th Jul 2026379 AMAQI
14th Jul 20263210 AMAQI
14th Jul 20262511 AMAQI
14th Jul 20262512 PMAQI
14th Jul 2026221 PMAQI
14th Jul 2026222 PMAQI
14th Jul 2026223 PMAQI
14th Jul 2026244 PMAQI
14th Jul 2026305 PMAQI
14th Jul 2026326 PMAQI
14th Jul 2026307 PMAQI
14th Jul 2026298 PMAQI
14th Jul 2026319 PMAQI
14th Jul 20263210 PMAQI
14th Jul 20263211 PMAQI
15th Jul 20263512 AMAQI
15th Jul 2026311 AMAQI
15th Jul 2026302 AMAQI
15th Jul 2026303 AMAQI
24°C22/26°C
15th Jul 2026244 AMAQI
15th Jul 2026325 AMAQI
15th Jul 2026246 AMAQI
15th Jul 2026307 AMAQI
15th Jul 2026288 AMAQI
15th Jul 2026309 AMAQI
15th Jul 20262910 AMAQI
15th Jul 20262611 AMAQI
15th Jul 20262212 PMAQI
15th Jul 2026181 PMAQI
15th Jul 2026182 PMAQI
15th Jul 2026203 PMAQI
15th Jul 2026224 PMAQI
15th Jul 2026265 PMAQI
15th Jul 2026226 PMAQI
15th Jul 2026207 PMAQI
15th Jul 2026248 PMAQI
15th Jul 2026239 PMAQI
15th Jul 20262810 PMAQI
15th Jul 20262411 PMAQI
16th Jul 20262512 AMAQI
16th Jul 2026241 AMAQI
16th Jul 2026272 AMAQI
16th Jul 2026263 AMAQI
25°C22/29°C
16th Jul 2026264 AMAQI
16th Jul 2026285 AMAQI
16th Jul 2026306 AMAQI
16th Jul 2026287 AMAQI
16th Jul 2026308 AMAQI
16th Jul 2026319 AMAQI
16th Jul 20262810 AMAQI
16th Jul 20262511 AMAQI
16th Jul 20262412 PMAQI
16th Jul 2026241 PMAQI
16th Jul 2026232 PMAQI
16th Jul 2026223 PMAQI
16th Jul 2026224 PMAQI
16th Jul 2026235 PMAQI
16th Jul 2026246 PMAQI
16th Jul 2026207 PMAQI
16th Jul 2026268 PMAQI
16th Jul 2026289 PMAQI
16th Jul 20262610 PMAQI
16th Jul 20262511 PMAQI
17th Jul 20262712 AMAQI
17th Jul 2026281 AMAQI
17th Jul 2026272 AMAQI
17th Jul 2026253 AMAQI
24°C22/26°C
17th Jul 2026264 AMAQI
17th Jul 2026295 AMAQI
17th Jul 2026266 AMAQI
17th Jul 2026267 AMAQI
17th Jul 2026228 AMAQI
17th Jul 2026259 AMAQI
17th Jul 20262810 AMAQI
17th Jul 20262411 AMAQI
17th Jul 20262612 PMAQI
17th Jul 2026241 PMAQI
17th Jul 2026242 PMAQI
17th Jul 2026223 PMAQI
17th Jul 2026484 PMAQI
17th Jul 2026485 PMAQI
17th Jul 2026586 PMAQI
17th Jul 2026527 PMAQI
17th Jul 2026488 PMAQI
17th Jul 2026519 PMAQI
17th Jul 20264710 PMAQI
17th Jul 20265311 PMAQI
18th Jul 20264212 AMAQI
18th Jul 2026481 AMAQI
18th Jul 2026442 AMAQI
18th Jul 2026533 AMAQI
26°C22/29°C
18th Jul 2026524 AMAQI
18th Jul 2026525 AMAQI
18th Jul 2026546 AMAQI
18th Jul 2026497 AMAQI
18th Jul 2026428 AMAQI
18th Jul 2026589 AMAQI
18th Jul 20266910 AMAQI
18th Jul 20265411 AMAQI
18th Jul 20265512 PMAQI
18th Jul 2026541 PMAQI
18th Jul 2026492 PMAQI
18th Jul 2026513 PMAQI
18th Jul 2026524 PMAQI
18th Jul 2026425 PMAQI
18th Jul 2026446 PMAQI
18th Jul 2026447 PMAQI
18th Jul 2026478 PMAQI
18th Jul 2026449 PMAQI
18th Jul 20265010 PMAQI
18th Jul 20265611 PMAQI
19th Jul 20265412 AMAQI
19th Jul 2026421 AMAQI
19th Jul 2026442 AMAQI
19th Jul 2026403 AMAQI
24°C23/28°C
19th Jul 2026504 AMAQI
19th Jul 2026425 AMAQI
19th Jul 2026276 AMAQI
19th Jul 2026367 AMAQI
19th Jul 2026428 AMAQI
19th Jul 2026409 AMAQI
19th Jul 20262710 AMAQI
19th Jul 20263411 AMAQI
19th Jul 20263812 PMAQI
19th Jul 2026271 PMAQI
19th Jul 2026342 PMAQI
19th Jul 2026423 PMAQI
19th Jul 2026494 PMAQI
19th Jul 2026385 PMAQI
19th Jul 2026546 PMAQI
19th Jul 2026547 PMAQI
19th Jul 2026588 PMAQI
19th Jul 2026609 PMAQI
19th Jul 20266410 PMAQI
19th Jul 20265611 PMAQI
20th Jul 20265912 AMAQI
20th Jul 2026661 AMAQI
20th Jul 2026542 AMAQI
20th Jul 2026603 AMAQI
25°C22/28°C
20th Jul 2026564 AMAQI
20th Jul 2026575 AMAQI
20th Jul 2026626 AMAQI
20th Jul 2026697 AMAQI
20th Jul 2026628 AMAQI
20th Jul 2026559 AMAQI
20th Jul 20265810 AMAQI
20th Jul 20264611 AMAQI
20th Jul 20265712 PMAQI
20th Jul 2026571 PMAQI
20th Jul 2026672 PMAQI
20th Jul 2026603 PMAQI
20th Jul 2026654 PMAQI
20th Jul 2026585 PMAQI
20th Jul 2026686 PMAQI
20th Jul 2026647 PMAQI
20th Jul 2026628 PMAQI
20th Jul 2026579 PMAQI
20th Jul 20265510 PMAQI
20th Jul 20266211 PMAQI
21st Jul 20266612 AMAQI
21st Jul 2026651 AMAQI
21st Jul 2026702 AMAQI
21st Jul 2026643 AMAQI
26°C23/27°C
21st Jul 2026694 AMAQI
21st Jul 2026685 AMAQI
21st Jul 2026676 AMAQI
21st Jul 2026697 AMAQI
21st Jul 2026608 AMAQI
21st Jul 2026549 AMAQI
21st Jul 20262910 AMAQI
21st Jul 20262311 AMAQI
21st Jul 2026171 PMAQI
21st Jul 2026172 PMAQI
21st Jul 2026193 PMAQI
21st Jul 2026164 PMAQI
21st Jul 2026175 PMAQI
21st Jul 2026196 PMAQI
21st Jul 2026727 PMAQI
21st Jul 2026258 PMAQI
21st Jul 2026259 PMAQI
21st Jul 20261410 PMAQI
21st Jul 20261711 PMAQI
22nd Jul 20261412 AMAQI
22nd Jul 2026191 AMAQI
22nd Jul 2026212 AMAQI
22nd Jul 2026213 AMAQI
25°C23/26°C
22nd Jul 2026254 AMAQI
22nd Jul 2026195 AMAQI
22nd Jul 2026196 AMAQI
22nd Jul 2026197 AMAQI
22nd Jul 2026218 AMAQI
22nd Jul 2026259 AMAQI
22nd Jul 20263410 AMAQI
22nd Jul 20263611 AMAQI
22nd Jul 20264012 PMAQI
22nd Jul 2026401 PMAQI
22nd Jul 2026482 PMAQI
22nd Jul 2026553 PMAQI
22nd Jul 2026604 PMAQI
22nd Jul 2026685 PMAQI
22nd Jul 2026586 PMAQI
22nd Jul 2026587 PMAQI
22nd Jul 2026558 PMAQI
22nd Jul 2026519 PMAQI
22nd Jul 20265210 PMAQI
22nd Jul 20263411 PMAQI
23rd Jul 20263412 AMAQI
23rd Jul 2026381 AMAQI
23rd Jul 2026292 AMAQI
23rd Jul 2026233 AMAQI
25°C23/27°C
23rd Jul 2026234 AMAQI
23rd Jul 2026235 AMAQI
23rd Jul 2026276 AMAQI
23rd Jul 2026277 AMAQI
23rd Jul 2026318 AMAQI
23rd Jul 2026279 AMAQI
23rd Jul 20262510 AMAQI
23rd Jul 20262311 AMAQI
23rd Jul 20262512 PMAQI
23rd Jul 2026251 PMAQI
23rd Jul 2026272 PMAQI
23rd Jul 2026273 PMAQI
23rd Jul 2026254 PMAQI
23rd Jul 2026235 PMAQI
23rd Jul 2026216 PMAQI
23rd Jul 2026277 PMAQI
23rd Jul 2026318 PMAQI
23rd Jul 2026239 PMAQI
23rd Jul 20262910 PMAQI
23rd Jul 20262511 PMAQI
24th Jul 20261912 AMAQI
24th Jul 2026171 AMAQI
24th Jul 2026232 AMAQI
24th Jul 2026293 AMAQI
25°C23/27°C
24th Jul 2026254 AMAQI
24th Jul 2026215 AMAQI
24th Jul 2026256 AMAQI
24th Jul 2026277 AMAQI
24th Jul 2026218 AMAQI
24th Jul 2026299 AMAQI
24th Jul 20263310 AMAQI
24th Jul 20262911 AMAQI
24th Jul 20262512 PMAQI
24th Jul 2026231 PMAQI
24th Jul 2026312 PMAQI
24th Jul 2026333 PMAQI
24th Jul 2026234 PMAQI
24th Jul 2026255 PMAQI
24th Jul 2026256 PMAQI
24th Jul 2026257 PMAQI
24th Jul 2026258 PMAQI
24th Jul 2026299 PMAQI
24th Jul 20264410 PMAQI
24th Jul 20264411 PMAQI
25th Jul 20262512 AMAQI
25th Jul 2026311 AMAQI
25th Jul 2026342 AMAQI
25th Jul 2026253 AMAQI
23°C22/24°C
25th Jul 2026274 AMAQI
25th Jul 2026265 AMAQI
25th Jul 2026256 AMAQI
25th Jul 2026217 AMAQI
25th Jul 2026308 AMAQI
25th Jul 2026279 AMAQI
25th Jul 20265310 AMAQI
25th Jul 20265511 AMAQI
25th Jul 20265712 PMAQI
25th Jul 2026341 PMAQI
25th Jul 2026462 PMAQI
25th Jul 2026503 PMAQI
25th Jul 2026524 PMAQI
25th Jul 2026475 PMAQI
25th Jul 2026386 PMAQI
25th Jul 2026527 PMAQI
25th Jul 2026518 PMAQI
25th Jul 2026509 PMAQI
25th Jul 20265010 PMAQI
25th Jul 20264811 PMAQI
26th Jul 20265312 AMAQI
26th Jul 2026361 AMAQI
26th Jul 2026422 AMAQI
26th Jul 2026403 AMAQI
23°C22/24°C
26th Jul 2026224 AMAQI
26th Jul 2026125 AMAQI
26th Jul 2026126 AMAQI
26th Jul 2026127 AMAQI
26th Jul 2026148 AMAQI
26th Jul 2026179 AMAQI
26th Jul 20261710 AMAQI
26th Jul 20261711 AMAQI
26th Jul 20261212 PMAQI
26th Jul 2026141 PMAQI
26th Jul 2026172 PMAQI
26th Jul 2026143 PMAQI
26th Jul 2026194 PMAQI
26th Jul 2026255 PMAQI
26th Jul 2026296 PMAQI
26th Jul 2026127 PMAQI
26th Jul 2026128 PMAQI
26th Jul 2026259 PMAQI
26th Jul 20264810 PMAQI
26th Jul 20263611 PMAQI
27th Jul 20263812 AMAQI
27th Jul 2026291 AMAQI
27th Jul 2026232 AMAQI
27th Jul 2026253 AMAQI
22°C21/22°C
27th Jul 2026314 AMAQI
27th Jul 2026275 AMAQI
27th Jul 2026236 AMAQI
27th Jul 2026237 AMAQI
27th Jul 2026258 AMAQI
27th Jul 2026329 AMAQI
27th Jul 20263810 AMAQI
27th Jul 20263211 AMAQI
27th Jul 20263312 PMAQI
27th Jul 2026341 PMAQI
27th Jul 2026442 PMAQI
27th Jul 2026273 PMAQI
27th Jul 2026344 PMAQI
27th Jul 2026215 PMAQI
27th Jul 2026386 PMAQI
27th Jul 2026427 PMAQI
27th Jul 2026368 PMAQI
27th Jul 2026319 PMAQI
27th Jul 20263610 PMAQI
27th Jul 20263811 PMAQI
28th Jul 20264412 AMAQI
28th Jul 2026361 AMAQI
28th Jul 2026292 AMAQI
28th Jul 2026443 AMAQI
23°C20/26°C
28th Jul 2026384 AMAQI
28th Jul 2026275 AMAQI
28th Jul 2026336 AMAQI
28th Jul 2026277 AMAQI
28th Jul 2026278 AMAQI
28th Jul 2026299 AMAQI
28th Jul 20263110 AMAQI
28th Jul 20262911 AMAQI
28th Jul 20262312 PMAQI
28th Jul 2026311 PMAQI
28th Jul 2026422 PMAQI
28th Jul 2026483 PMAQI
28th Jul 2026424 PMAQI
28th Jul 2026495 PMAQI
28th Jul 2026296 PMAQI
28th Jul 2026257 PMAQI
28th Jul 2026278 PMAQI
28th Jul 2026369 PMAQI
28th Jul 20264010 PMAQI
28th Jul 20264411 PMAQI
29th Jul 20264012 AMAQI
29th Jul 2026341 AMAQI
29th Jul 2026382 AMAQI
29th Jul 2026423 AMAQI
23°C21/27°C
29th Jul 2026404 AMAQI
29th Jul 2026385 AMAQI
29th Jul 2026426 AMAQI
29th Jul 2026367 AMAQI
29th Jul 2026238 AMAQI
29th Jul 2026369 AMAQI
29th Jul 20263810 AMAQI
29th Jul 20264011 AMAQI
29th Jul 20263412 PMAQI
29th Jul 2026341 PMAQI
29th Jul 2026362 PMAQI
29th Jul 2026313 PMAQI
29th Jul 2026364 PMAQI
29th Jul 2026465 PMAQI
29th Jul 2026366 PMAQI
29th Jul 2026427 PMAQI
29th Jul 2026408 PMAQI
29th Jul 2026369 PMAQI
29th Jul 20264010 PMAQI
29th Jul 20263611 PMAQI
30th Jul 20263412 AMAQI
30th Jul 2026121 AMAQI
30th Jul 2026252 AMAQI
30th Jul 2026423 AMAQI
24°C22/25°C
30th Jul 2026364 AMAQI
30th Jul 2026515 AMAQI
30th Jul 2026466 AMAQI
30th Jul 2026367 AMAQI
30th Jul 2026388 AMAQI
30th Jul 2026429 AMAQI
30th Jul 20264010 AMAQI
30th Jul 20264411 AMAQI
30th Jul 20265212 PMAQI
30th Jul 2026621 PMAQI
30th Jul 2026582 PMAQI
30th Jul 2026583 PMAQI
30th Jul 2026584 PMAQI
30th Jul 2026605 PMAQI
30th Jul 2026516 PMAQI
30th Jul 2026507 PMAQI
30th Jul 2026448 PMAQI
30th Jul 2026349 PMAQI
30th Jul 20262510 PMAQI
30th Jul 20262711 PMAQI
31st Jul 20262312 AMAQI
31st Jul 2026251 AMAQI
31st Jul 2026272 AMAQI
31st Jul 2026273 AMAQI
24°C23/25°C
31st Jul 2026234 AMAQI
31st Jul 2026215 AMAQI
31st Jul 2026216 AMAQI
31st Jul 2026257 AMAQI
31st Jul 2026218 AMAQI
31st Jul 2026199 AMAQI
31st Jul 20261910 AMAQI
31st Jul 20262311 AMAQI
31st Jul 20262712 PMAQI
31st Jul 2026231 PMAQI
31st Jul 2026232 PMAQI
31st Jul 2026193 PMAQI
31st Jul 2026214 PMAQI
31st Jul 2026235 PMAQI
31st Jul 2026276 PMAQI
31st Jul 2026217 PMAQI
31st Jul 2026218 PMAQI
31st Jul 2026179 PMAQI
31st Jul 20261710 PMAQI
31st Jul 20261411 PMAQI
1st Aug 20261012 AMAQI
1st Aug 2026121 AMAQI
1st Aug 2026212 AMAQI
1st Aug 2026283 AMAQI
23°C22/23°C
1st Aug 2026224 AMAQI
1st Aug 2026145 AMAQI
1st Aug 2026216 AMAQI
1st Aug 2026277 AMAQI
1st Aug 2026318 AMAQI
1st Aug 2026319 AMAQI
1st Aug 20263810 AMAQI
1st Aug 20262811 AMAQI
1st Aug 20265012 PMAQI
1st Aug 2026251 PMAQI
1st Aug 2026302 PMAQI
1st Aug 2026323 PMAQI
1st Aug 2026334 PMAQI
1st Aug 2026485 PMAQI
1st Aug 2026466 PMAQI
1st Aug 2026427 PMAQI
1st Aug 2026488 PMAQI
1st Aug 2026589 PMAQI
1st Aug 20265810 PMAQI
1st Aug 20265011 PMAQI
2nd Aug 20265512 AMAQI
2nd Aug 2026511 AMAQI
2nd Aug 2026642 AMAQI
2nd Aug 2026623 AMAQI
25°C23/26°C
2nd Aug 2026524 AMAQI
2nd Aug 2026255 AMAQI
2nd Aug 2026296 AMAQI
2nd Aug 2026367 AMAQI
2nd Aug 2026628 AMAQI
2nd Aug 2026459 AMAQI
2nd Aug 20262510 AMAQI
2nd Aug 20262311 AMAQI
2nd Aug 20261912 PMAQI
2nd Aug 2026171 PMAQI
2nd Aug 2026162 PMAQI
2nd Aug 2026173 PMAQI
2nd Aug 2026174 PMAQI
2nd Aug 2026145 PMAQI
2nd Aug 2026126 PMAQI
2nd Aug 2026127 PMAQI
2nd Aug 2026128 PMAQI
2nd Aug 2026129 PMAQI
2nd Aug 20261710 PMAQI
2nd Aug 20261211 PMAQI
3rd Aug 20261212 AMAQI
3rd Aug 2026121 AMAQI
3rd Aug 2026122 AMAQI
3rd Aug 202683 AMAQI
23°C21/25°C
3rd Aug 2026104 AMAQI
3rd Aug 202685 AMAQI
3rd Aug 2026146 AMAQI
3rd Aug 2026177 AMAQI
3rd Aug 2026178 AMAQI
3rd Aug 2026179 AMAQI
3rd Aug 20261410 AMAQI
3rd Aug 20261411 AMAQI
3rd Aug 20261912 PMAQI
3rd Aug 2026191 PMAQI
3rd Aug 2026192 PMAQI
3rd Aug 2026193 PMAQI
3rd Aug 2026214 PMAQI
3rd Aug 2026255 PMAQI
3rd Aug 2026256 PMAQI
3rd Aug 2026217 PMAQI
3rd Aug 2026238 PMAQI
3rd Aug 2026259 PMAQI
3rd Aug 20262710 PMAQI
3rd Aug 20262711 PMAQI
4th Aug 20262512 AMAQI
4th Aug 2026251 AMAQI
4th Aug 2026312 AMAQI
4th Aug 2026213 AMAQI
23°C20/26°C
4th Aug 2026274 AMAQI
4th Aug 2026295 AMAQI
4th Aug 2026386 AMAQI
4th Aug 2026447 AMAQI
4th Aug 2026448 AMAQI
4th Aug 2026489 AMAQI
4th Aug 20265310 AMAQI
4th Aug 20265411 AMAQI
4th Aug 20265412 PMAQI
4th Aug 2026511 PMAQI
4th Aug 2026512 PMAQI
4th Aug 2026503 PMAQI
4th Aug 2026494 PMAQI
4th Aug 2026645 PMAQI
4th Aug 2026606 PMAQI
4th Aug 2026607 PMAQI
4th Aug 2026568 PMAQI
4th Aug 2026589 PMAQI
4th Aug 20265710 PMAQI
4th Aug 20265711 PMAQI
5th Aug 20265512 AMAQI
5th Aug 2026581 AMAQI
5th Aug 2026572 AMAQI
5th Aug 2026513 AMAQI
22°C18/28°C
5th Aug 2026524 AMAQI
5th Aug 2026525 AMAQI
5th Aug 2026486 AMAQI
5th Aug 2026547 AMAQI
5th Aug 2026548 AMAQI
5th Aug 2026539 AMAQI
5th Aug 20265510 AMAQI
5th Aug 20264011 AMAQI
5th Aug 20265512 PMAQI
5th Aug 2026311 PMAQI
5th Aug 2026402 PMAQI
5th Aug 2026343 PMAQI
5th Aug 2026464 PMAQI
5th Aug 2026585 PMAQI
5th Aug 2026546 PMAQI
5th Aug 2026547 PMAQI
5th Aug 2026568 PMAQI
5th Aug 2026609 PMAQI
5th Aug 20263110 PMAQI
5th Aug 20263311 PMAQI
6th Aug 20263812 AMAQI
6th Aug 2026291 AMAQI
6th Aug 2026422 AMAQI
6th Aug 2026513 AMAQI
23°C17/28°C
6th Aug 2026484 AMAQI
6th Aug 2026465 AMAQI
6th Aug 2026336 AMAQI
6th Aug 2026367 AMAQI
6th Aug 2026388 AMAQI
6th Aug 2026449 AMAQI
6th Aug 20264410 AMAQI
6th Aug 20264911 AMAQI
6th Aug 20265412 PMAQI
6th Aug 2026401 PMAQI
6th Aug 2026362 PMAQI
6th Aug 2026293 PMAQI
6th Aug 2026424 PMAQI
6th Aug 2026485 PMAQI
6th Aug 2026546 PMAQI
6th Aug 2026507 PMAQI
6th Aug 2026538 PMAQI
6th Aug 2026569 PMAQI
6th Aug 20265810 PMAQI
6th Aug 20265511 PMAQI
7th Aug 20266212 AMAQI
7th Aug 2026581 AMAQI
7th Aug 2026602 AMAQI
7th Aug 2026603 AMAQI
25°C20/30°C
7th Aug 2026554 AMAQI
7th Aug 2026545 AMAQI
7th Aug 2026536 AMAQI
7th Aug 2026537 AMAQI
7th Aug 2026578 AMAQI
7th Aug 2026539 AMAQI
7th Aug 20265410 AMAQI
7th Aug 20265911 AMAQI
7th Aug 20264612 PMAQI
7th Aug 2026441 PMAQI
7th Aug 2026452 PMAQI
7th Aug 2026293 PMAQI
7th Aug 2026504 PMAQI
7th Aug 2026505 PMAQI
7th Aug 2026346 PMAQI
7th Aug 2026327 PMAQI
7th Aug 2026428 PMAQI
7th Aug 2026389 PMAQI
7th Aug 20263210 PMAQI
7th Aug 20262711 PMAQI
8th Aug 20263612 AMAQI
8th Aug 2026401 AMAQI
8th Aug 2026382 AMAQI
8th Aug 2026403 AMAQI
26°C23/29°C
8th Aug 2026364 AMAQI
8th Aug 2026315 AMAQI
8th Aug 2026236 AMAQI
8th Aug 2026237 AMAQI
8th Aug 2026368 AMAQI
8th Aug 2026279 AMAQI
8th Aug 20262910 AMAQI
8th Aug 20263411 AMAQI
8th Aug 20262512 PMAQI
8th Aug 2026311 PMAQI
8th Aug 2026362 PMAQI
8th Aug 2026343 PMAQI
8th Aug 2026444 PMAQI
8th Aug 2026255 PMAQI
8th Aug 2026316 PMAQI
8th Aug 2026297 PMAQI
8th Aug 2026238 PMAQI
8th Aug 2026219 PMAQI
8th Aug 20262510 PMAQI
8th Aug 20261611 PMAQI
9th Aug 20261912 AMAQI
9th Aug 2026231 AMAQI
9th Aug 2026292 AMAQI
9th Aug 2026333 AMAQI
26°C23/30°C
9th Aug 2026344 AMAQI
4 AM9th Aug 2026295 AMAQI
9th Aug 2026366 AMAQI
9th Aug 2026387 AMAQI
9th Aug 2026348 AMAQI
9th Aug 2026349 AMAQI
9th Aug 20262310 AMAQI
9th Aug 20263111 AMAQI
11 AM9th Aug 20263112 PMAQI
9th Aug 2026231 PMAQI
9th Aug 2026272 PMAQI
9th Aug 2026273 PMAQI
9th Aug 2026234 PMAQI
9th Aug 2026275 PMAQI
9th Aug 2026326 PMAQI
6 PM9th Aug 2026257 PMAQI
9th Aug 2026348 PMAQI
9th Aug 2026259 PMAQI
9th Aug 20263310 PMAQI
9th Aug 20262911 PMAQI
11 PM3 AM
25°C23/27°C
Day time
Avg. Highest Time
5 PM - 6 PM
37AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
1 PM
30AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 PM to 6 PM (Avg. 37), while the lowest AQI was between 1 PM to 1 PM (Avg. 30).
Night time
Avg. Highest Time
2 AM - 10 PM
36AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
1 AM
33AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 10 PM (Avg. 36), while the lowest AQI was between 1 AM to 1 AM (Avg. 33).
2026 Days Vs Air Quality
Sumiyoshicho, Sakata, Yamagata, Japan
2026
86%
190
14%
31
Total number of days with different AQI categories in last 221 days in 2026 (144 days remaining)
Good
190 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 221 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
Sumiyoshicho, Sakata, Yamagata, 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
15AQI (US)
15AQI (US)
3rd January 2026
18AQI (US)
18AQI (US)
4th January 2026
23AQI (US)
23AQI (US)
5th January 2026
28AQI (US)
28AQI (US)
6th January 2026
22AQI (US)
22AQI (US)
7th January 2026
17AQI (US)
17AQI (US)
8th January 2026
24AQI (US)
24AQI (US)
9th January 2026
18AQI (US)
18AQI (US)
10th January 2026
24AQI (US)
24AQI (US)
11th January 2026
30AQI (US)
30AQI (US)
12th January 2026
23AQI (US)
23AQI (US)
13th January 2026
15AQI (US)
15AQI (US)
14th January 2026
21AQI (US)
21AQI (US)
15th January 2026
20AQI (US)
20AQI (US)
16th January 2026
35AQI (US)
35AQI (US)
17th January 2026
44AQI (US)
44AQI (US)
18th January 2026
25AQI (US)
25AQI (US)
19th January 2026
26AQI (US)
26AQI (US)
20th January 2026
21AQI (US)
21AQI (US)
21st January 2026
19AQI (US)
19AQI (US)
22nd January 2026
21AQI (US)
21AQI (US)
23rd January 2026
31AQI (US)
31AQI (US)
24th January 2026
30AQI (US)
30AQI (US)
25th January 2026
39AQI (US)
39AQI (US)
26th January 2026
28AQI (US)
28AQI (US)
27th January 2026
31AQI (US)
31AQI (US)
28th January 2026
14AQI (US)
14AQI (US)
29th January 2026
12AQI (US)
12AQI (US)
30th January 2026
33AQI (US)
33AQI (US)
31st January 2026
40AQI (US)
40AQI (US)
1st February 2026
35AQI (US)
35AQI (US)
2nd February 2026
31AQI (US)
31AQI (US)
3rd February 2026
29AQI (US)
29AQI (US)
4th February 2026
19AQI (US)
19AQI (US)
5th February 2026
18AQI (US)
18AQI (US)
6th February 2026
43AQI (US)
43AQI (US)
7th February 2026
17AQI (US)
17AQI (US)
8th February 2026
17AQI (US)
17AQI (US)
9th February 2026
43AQI (US)
43AQI (US)
10th February 2026
50AQI (US)
50AQI (US)
11th February 2026
72AQI (US)
72AQI (US)
12th February 2026
27AQI (US)
27AQI (US)
13th February 2026
19AQI (US)
19AQI (US)
14th February 2026
71AQI (US)
71AQI (US)
15th February 2026
50AQI (US)
50AQI (US)
16th February 2026
39AQI (US)
39AQI (US)
17th February 2026
19AQI (US)
19AQI (US)
18th February 2026
32AQI (US)
32AQI (US)
19th February 2026
30AQI (US)
30AQI (US)
20th February 2026
36AQI (US)
36AQI (US)
21st February 2026
46AQI (US)
46AQI (US)
22nd February 2026
42AQI (US)
42AQI (US)
23rd February 2026
42AQI (US)
42AQI (US)
24th February 2026
28AQI (US)
28AQI (US)
25th February 2026
34AQI (US)
34AQI (US)
26th February 2026
36AQI (US)
36AQI (US)
27th February 2026
40AQI (US)
40AQI (US)
28th February 2026
41AQI (US)
41AQI (US)
1st March 2026
37AQI (US)
37AQI (US)
2nd March 2026
74AQI (US)
74AQI (US)
3rd March 2026
53AQI (US)
53AQI (US)
4th March 2026
70AQI (US)
70AQI (US)
5th March 2026
65AQI (US)
65AQI (US)
6th March 2026
55AQI (US)
55AQI (US)
7th March 2026
48AQI (US)
48AQI (US)
8th March 2026
51AQI (US)
51AQI (US)
9th March 2026
47AQI (US)
47AQI (US)
10th March 2026
55AQI (US)
55AQI (US)
11th March 2026
55AQI (US)
55AQI (US)
12th March 2026
66AQI (US)
66AQI (US)
13th March 2026
43AQI (US)
43AQI (US)
14th March 2026
49AQI (US)
49AQI (US)
15th March 2026
60AQI (US)
60AQI (US)
16th March 2026
59AQI (US)
59AQI (US)
17th March 2026
65AQI (US)
65AQI (US)
18th March 2026
50AQI (US)
50AQI (US)
19th March 2026
39AQI (US)
39AQI (US)
20th March 2026
30AQI (US)
30AQI (US)
21st March 2026
48AQI (US)
48AQI (US)
22nd March 2026
39AQI (US)
39AQI (US)
23rd March 2026
49AQI (US)
49AQI (US)
24th March 2026
74AQI (US)
74AQI (US)
25th March 2026
57AQI (US)
57AQI (US)
26th March 2026
32AQI (US)
32AQI (US)
27th March 2026
16AQI (US)
16AQI (US)
28th March 2026
43AQI (US)
43AQI (US)
29th March 2026
68AQI (US)
68AQI (US)
30th March 2026
60AQI (US)
60AQI (US)
31st March 2026
51AQI (US)
51AQI (US)
1st April 2026
27AQI (US)
27AQI (US)
2nd April 2026
22AQI (US)
22AQI (US)
3rd April 2026
38AQI (US)
38AQI (US)
4th April 2026
29AQI (US)
29AQI (US)
5th April 2026
18AQI (US)
18AQI (US)
6th April 2026
17AQI (US)
17AQI (US)
7th April 2026
24AQI (US)
24AQI (US)
8th April 2026
26AQI (US)
26AQI (US)
9th April 2026
32AQI (US)
32AQI (US)
10th April 2026
44AQI (US)
44AQI (US)
11th April 2026
38AQI (US)
38AQI (US)
12th April 2026
29AQI (US)
29AQI (US)
13th April 2026
30AQI (US)
30AQI (US)
14th April 2026
35AQI (US)
35AQI (US)
15th April 2026
43AQI (US)
43AQI (US)
16th April 2026
37AQI (US)
37AQI (US)
17th April 2026
35AQI (US)
35AQI (US)
18th April 2026
37AQI (US)
37AQI (US)
19th April 2026
34AQI (US)
34AQI (US)
20th April 2026
35AQI (US)
35AQI (US)
21st April 2026
44AQI (US)
44AQI (US)
22nd April 2026
40AQI (US)
40AQI (US)
23rd April 2026
38AQI (US)
38AQI (US)
24th April 2026
32AQI (US)
32AQI (US)
25th April 2026
40AQI (US)
40AQI (US)
26th April 2026
46AQI (US)
46AQI (US)
27th April 2026
44AQI (US)
44AQI (US)
28th April 2026
37AQI (US)
37AQI (US)
29th April 2026
31AQI (US)
31AQI (US)
30th April 2026
41AQI (US)
41AQI (US)
1st May 2026
51AQI (US)
51AQI (US)
2nd May 2026
51AQI (US)
51AQI (US)
3rd May 2026
27AQI (US)
27AQI (US)
4th May 2026
31AQI (US)
31AQI (US)
5th May 2026
23AQI (US)
23AQI (US)
6th May 2026
29AQI (US)
29AQI (US)
7th May 2026
28AQI (US)
28AQI (US)
8th May 2026
26AQI (US)
26AQI (US)
9th May 2026
30AQI (US)
30AQI (US)
10th May 2026
33AQI (US)
33AQI (US)
11th May 2026
28AQI (US)
28AQI (US)
12th May 2026
34AQI (US)
34AQI (US)
13th May 2026
45AQI (US)
45AQI (US)
14th May 2026
43AQI (US)
43AQI (US)
15th May 2026
37AQI (US)
37AQI (US)
16th May 2026
84AQI (US)
84AQI (US)
17th May 2026
67AQI (US)
67AQI (US)
18th May 2026
53AQI (US)
53AQI (US)
19th May 2026
47AQI (US)
47AQI (US)
20th May 2026
61AQI (US)
61AQI (US)
21st May 2026
61AQI (US)
61AQI (US)
22nd May 2026
64AQI (US)
64AQI (US)
23rd May 2026
56AQI (US)
56AQI (US)
24th May 2026
60AQI (US)
60AQI (US)
25th May 2026
51AQI (US)
51AQI (US)
26th May 2026
41AQI (US)
41AQI (US)
27th May 2026
26AQI (US)
26AQI (US)
28th May 2026
25AQI (US)
25AQI (US)
29th May 2026
23AQI (US)
23AQI (US)
30th May 2026
24AQI (US)
24AQI (US)
31st May 2026
27AQI (US)
27AQI (US)
1st June 2026
26AQI (US)
26AQI (US)
2nd June 2026
30AQI (US)
30AQI (US)
3rd June 2026
23AQI (US)
23AQI (US)
4th June 2026
13AQI (US)
13AQI (US)
5th June 2026
21AQI (US)
21AQI (US)
6th June 2026
20AQI (US)
20AQI (US)
7th June 2026
20AQI (US)
20AQI (US)
8th June 2026
20AQI (US)
20AQI (US)
9th June 2026
22AQI (US)
22AQI (US)
10th June 2026
21AQI (US)
21AQI (US)
11th June 2026
24AQI (US)
24AQI (US)
12th June 2026
23AQI (US)
23AQI (US)
13th June 2026
27AQI (US)
27AQI (US)
14th June 2026
23AQI (US)
23AQI (US)
15th June 2026
22AQI (US)
22AQI (US)
16th June 2026
25AQI (US)
25AQI (US)
17th June 2026
24AQI (US)
24AQI (US)
18th June 2026
26AQI (US)
26AQI (US)
19th June 2026
28AQI (US)
28AQI (US)
20th June 2026
21AQI (US)
21AQI (US)
21st June 2026
19AQI (US)
19AQI (US)
22nd June 2026
18AQI (US)
18AQI (US)
23rd June 2026
21AQI (US)
21AQI (US)
24th June 2026
20AQI (US)
20AQI (US)
25th June 2026
27AQI (US)
27AQI (US)
26th June 2026
29AQI (US)
29AQI (US)
27th June 2026
27AQI (US)
27AQI (US)
28th June 2026
27AQI (US)
27AQI (US)
29th June 2026
25AQI (US)
25AQI (US)
30th June 2026
22AQI (US)
22AQI (US)
1st July 2026
23AQI (US)
23AQI (US)
2nd July 2026
23AQI (US)
23AQI (US)
3rd July 2026
23AQI (US)
23AQI (US)
4th July 2026
23AQI (US)
23AQI (US)
5th July 2026
21AQI (US)
21AQI (US)
6th July 2026
23AQI (US)
23AQI (US)
7th July 2026
24AQI (US)
24AQI (US)
8th July 2026
24AQI (US)
24AQI (US)
9th July 2026
24AQI (US)
24AQI (US)
10th July 2026
27AQI (US)
27AQI (US)
11th July 2026
29AQI (US)
29AQI (US)
12th July 2026
25AQI (US)
25AQI (US)
13th July 2026
21AQI (US)
21AQI (US)
14th July 2026
29AQI (US)
29AQI (US)
15th July 2026
26AQI (US)
26AQI (US)
16th July 2026
26AQI (US)
26AQI (US)
17th July 2026
34AQI (US)
34AQI (US)
18th July 2026
50AQI (US)
50AQI (US)
19th July 2026
44AQI (US)
44AQI (US)
20th July 2026
60AQI (US)
60AQI (US)
21st July 2026
42AQI (US)
42AQI (US)
22nd July 2026
37AQI (US)
37AQI (US)
23rd July 2026
27AQI (US)
27AQI (US)
24th July 2026
27AQI (US)
27AQI (US)
25th July 2026
40AQI (US)
40AQI (US)
26th July 2026
23AQI (US)
23AQI (US)
27th July 2026
32AQI (US)
32AQI (US)
28th July 2026
35AQI (US)
35AQI (US)
29th July 2026
37AQI (US)
37AQI (US)
30th July 2026
43AQI (US)
43AQI (US)
31st July 2026
22AQI (US)
22AQI (US)
1st August 2026
33AQI (US)
33AQI (US)
2nd August 2026
29AQI (US)
29AQI (US)
3rd August 2026
18AQI (US)
18AQI (US)
4th August 2026
46AQI (US)
46AQI (US)
5th August 2026
49AQI (US)
49AQI (US)
6th August 2026
45AQI (US)
45AQI (US)
7th August 2026
48AQI (US)
48AQI (US)
8th August 2026
31AQI (US)
31AQI (US)
9th August 2026
29AQI (US)
29AQI (US)
10th August 2026
11th August 2026
12th August 2026
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
25AQI (US)
36AQI (US)
52AQI (US)
34AQI (US)
41AQI (US)
23AQI (US)
30AQI (US)
36AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202635AQI (US)
31
26
2
14
17
30
20
11
30
30
1
9
190
31
Highest AQI (US) recorded in
March52AQI (US)
Lowest AQI (US) recorded in
June23AQI (US)
202538AQI (US)
31
28
27
4
29
1
29
2
25
5
21
10
31
30
14
17
26
4
28
3
319
46
Highest AQI (US) recorded in
October51AQI (US)
Lowest AQI (US) recorded in
April30AQI (US)
202435AQI (US)
16
11
1
24
6
26
5
31
22
7
30
1
30
31
221
20
Highest AQI (US) recorded in
June44AQI (US)
Lowest AQI (US) recorded in
January19AQI (US)
202320AQI (US)
3
30
1
33
1
Highest AQI (US) recorded in
November21AQI (US)
Lowest AQI (US) recorded in
December19AQI (US)
202129AQI (US)
31
25
3
28
1
84
4
Highest AQI (US) recorded in
March33AQI (US)
Lowest AQI (US) recorded in
January23AQI (US)
202029AQI (US)
13
21
18
27
3
30
1
23
6
2
19
31
30
31
243
10
2
Highest AQI (US) recorded in
August44AQI (US)
Lowest AQI (US) recorded in
December21AQI (US)
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
38AQI (US)Least Polluted Year Recorded
2023(Avg.)
20AQI (US)Sumiyoshicho's annual 2026 AQI (US) (35) shows an average percentage change of 21.6% (worsened AQI (US)) compared to previous years: 2020 (29), 2021 (29), 2023 (20), 2024 (35), 2025 (38).
