Hannyamachi, Noshiromachi, Akita, 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+
October Air Quality Analysis
Hannyamachi, Noshiromachi, Akita, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Oct 2022
61AQILowest AQI recorded on
30th Oct 2022
16AQISame Day Analysis (4th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 49 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Oct - 5th Oct 2025
Hannyamachi, Noshiromachi, Akita, Japan
AQI
Day
Night
.
5 AM4th Oct 2025
5 PM
4 AM5th Oct 2025
Day time
Avg. Highest Time
1PM4th Oct
54AQI
Avg. Lowest Time
10AM4th Oct
34AQI
Night time
Avg. Highest Time
3AM5th Oct
68AQI
Avg. Lowest Time
1AM5th Oct
48AQI
In the last 24 hours,
Hannyamachi's AQI reached its highest point of 68 at 3 AM during the Night, while the lowest point, 34, was recorded at 10 AM during the Day between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Hannyamachi, Noshiromachi, Akita, Japan
SepOct
05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th
Day
Night
5th Sep 2025365 AMAQI
5th Sep 2025376 AMAQI
5th Sep 2025367 AMAQI
5th Sep 2025368 AMAQI
5th Sep 2025319 AMAQI
5th Sep 20252510 AMAQI
5th Sep 20252511 AMAQI
5th Sep 20252012 PMAQI
5th Sep 2025191 PMAQI
5th Sep 2025242 PMAQI
5th Sep 2025253 PMAQI
5th Sep 2025264 PMAQI
5th Sep 2025265 PMAQI
5th Sep 2025266 PMAQI
5th Sep 2025307 PMAQI
5th Sep 2025348 PMAQI
5th Sep 2025309 PMAQI
5th Sep 20252910 PMAQI
5th Sep 20253011 PMAQI
6th Sep 20253212 AMAQI
6th Sep 2025301 AMAQI
6th Sep 2025312 AMAQI
6th Sep 2025343 AMAQI
6th Sep 2025304 AMAQI
23°C19/27°C
6th Sep 2025305 AMAQI
6th Sep 2025316 AMAQI
6th Sep 2025317 AMAQI
6th Sep 2025308 AMAQI
6th Sep 2025269 AMAQI
6th Sep 20253610 AMAQI
6th Sep 20252611 AMAQI
6th Sep 20252812 PMAQI
6th Sep 2025281 PMAQI
6th Sep 2025272 PMAQI
6th Sep 2025223 PMAQI
6th Sep 2025304 PMAQI
6th Sep 2025265 PMAQI
6th Sep 2025306 PMAQI
6th Sep 2025287 PMAQI
6th Sep 2025338 PMAQI
6th Sep 2025329 PMAQI
6th Sep 20252810 PMAQI
6th Sep 20253111 PMAQI
7th Sep 20253112 AMAQI
7th Sep 2025301 AMAQI
7th Sep 2025312 AMAQI
7th Sep 2025323 AMAQI
7th Sep 2025304 AMAQI
22°C19/27°C
7th Sep 2025295 AMAQI
7th Sep 2025286 AMAQI
7th Sep 2025297 AMAQI
7th Sep 2025298 AMAQI
7th Sep 2025289 AMAQI
7th Sep 20252410 AMAQI
7th Sep 20253111 AMAQI
7th Sep 20253512 PMAQI
7th Sep 2025241 PMAQI
7th Sep 2025262 PMAQI
7th Sep 2025313 PMAQI
7th Sep 2025314 PMAQI
7th Sep 2025315 PMAQI
7th Sep 2025306 PMAQI
7th Sep 2025287 PMAQI
7th Sep 2025318 PMAQI
7th Sep 2025319 PMAQI
7th Sep 20252910 PMAQI
7th Sep 20253111 PMAQI
8th Sep 20253412 AMAQI
8th Sep 2025321 AMAQI
8th Sep 2025292 AMAQI
8th Sep 2025303 AMAQI
8th Sep 2025304 AMAQI
23°C20/25°C
8th Sep 2025285 AMAQI
8th Sep 2025306 AMAQI
8th Sep 2025317 AMAQI
8th Sep 2025298 AMAQI
8th Sep 2025229 AMAQI
8th Sep 20252810 AMAQI
8th Sep 20252911 AMAQI
8th Sep 20252912 PMAQI
8th Sep 2025271 PMAQI
8th Sep 2025262 PMAQI
8th Sep 2025273 PMAQI
8th Sep 2025334 PMAQI
8th Sep 2025285 PMAQI
8th Sep 2025316 PMAQI
8th Sep 2025307 PMAQI
8th Sep 2025328 PMAQI
8th Sep 2025349 PMAQI
8th Sep 20253310 PMAQI
8th Sep 20253111 PMAQI
9th Sep 20253112 AMAQI
9th Sep 2025331 AMAQI
9th Sep 2025302 AMAQI
9th Sep 2025303 AMAQI
9th Sep 2025294 AMAQI
23°C17/27°C
9th Sep 2025305 AMAQI
9th Sep 2025326 AMAQI
9th Sep 2025307 AMAQI
9th Sep 2025308 AMAQI
9th Sep 2025329 AMAQI
9th Sep 20253610 AMAQI
9th Sep 20254111 AMAQI
9th Sep 20254612 PMAQI
9th Sep 2025521 PMAQI
9th Sep 2025582 PMAQI
9th Sep 2025603 PMAQI
9th Sep 2025564 PMAQI
9th Sep 2025505 PMAQI
9th Sep 2025456 PMAQI
9th Sep 2025517 PMAQI
9th Sep 2025428 PMAQI
9th Sep 2025359 PMAQI
9th Sep 20253410 PMAQI
9th Sep 20253411 PMAQI
10th Sep 20253312 AMAQI
10th Sep 2025321 AMAQI
10th Sep 2025322 AMAQI
10th Sep 2025323 AMAQI
10th Sep 2025344 AMAQI
21°C18/26°C
10th Sep 2025335 AMAQI
10th Sep 2025336 AMAQI
10th Sep 2025347 AMAQI
10th Sep 2025328 AMAQI
10th Sep 2025369 AMAQI
10th Sep 20253410 AMAQI
10th Sep 20252711 AMAQI
10th Sep 20253412 PMAQI
10th Sep 2025291 PMAQI
10th Sep 2025302 PMAQI
10th Sep 2025353 PMAQI
10th Sep 2025334 PMAQI
10th Sep 2025275 PMAQI
10th Sep 2025356 PMAQI
10th Sep 2025307 PMAQI
10th Sep 2025348 PMAQI
10th Sep 2025319 PMAQI
10th Sep 20253110 PMAQI
10th Sep 20253011 PMAQI
11th Sep 20253112 AMAQI
11th Sep 2025341 AMAQI
11th Sep 2025342 AMAQI
11th Sep 2025333 AMAQI
11th Sep 2025344 AMAQI
22°C17/27°C
11th Sep 2025345 AMAQI
11th Sep 2025326 AMAQI
11th Sep 2025327 AMAQI
11th Sep 2025328 AMAQI
11th Sep 2025249 AMAQI
11th Sep 20253110 AMAQI
11th Sep 20254211 AMAQI
11th Sep 20254012 PMAQI
11th Sep 2025401 PMAQI
11th Sep 2025342 PMAQI
11th Sep 2025403 PMAQI
11th Sep 2025384 PMAQI
11th Sep 2025375 PMAQI
11th Sep 2025386 PMAQI
11th Sep 2025367 PMAQI
11th Sep 2025418 PMAQI
11th Sep 2025339 PMAQI
11th Sep 20253610 PMAQI
11th Sep 20253311 PMAQI
12th Sep 20253312 AMAQI
12th Sep 2025351 AMAQI
12th Sep 2025342 AMAQI
12th Sep 2025353 AMAQI
12th Sep 2025344 AMAQI
22°C18/27°C
12th Sep 2025325 AMAQI
12th Sep 2025346 AMAQI
12th Sep 2025337 AMAQI
12th Sep 2025338 AMAQI
12th Sep 2025329 AMAQI
12th Sep 20253810 AMAQI
12th Sep 20252911 AMAQI
12th Sep 20253412 PMAQI
12th Sep 2025411 PMAQI
12th Sep 2025462 PMAQI
12th Sep 2025353 PMAQI
12th Sep 2025404 PMAQI
12th Sep 2025345 PMAQI
12th Sep 2025396 PMAQI
12th Sep 2025457 PMAQI
12th Sep 2025418 PMAQI
12th Sep 2025329 PMAQI
12th Sep 20253410 PMAQI
12th Sep 20253611 PMAQI
13th Sep 20253712 AMAQI
13th Sep 2025371 AMAQI
13th Sep 2025342 AMAQI
13th Sep 2025353 AMAQI
13th Sep 2025354 AMAQI
22°C16/28°C
13th Sep 2025365 AMAQI
13th Sep 2025366 AMAQI
13th Sep 2025367 AMAQI
13th Sep 2025358 AMAQI
13th Sep 2025299 AMAQI
13th Sep 20252210 AMAQI
13th Sep 20253411 AMAQI
13th Sep 20253612 PMAQI
13th Sep 2025381 PMAQI
13th Sep 2025252 PMAQI
13th Sep 2025263 PMAQI
13th Sep 2025274 PMAQI
13th Sep 2025215 PMAQI
13th Sep 2025196 PMAQI
13th Sep 2025207 PMAQI
13th Sep 2025248 PMAQI
13th Sep 2025259 PMAQI
13th Sep 20252610 PMAQI
13th Sep 20252711 PMAQI
14th Sep 20253212 AMAQI
14th Sep 2025361 AMAQI
14th Sep 2025362 AMAQI
14th Sep 2025363 AMAQI
14th Sep 2025354 AMAQI
21°C18/24°C
14th Sep 2025365 AMAQI
14th Sep 2025356 AMAQI
14th Sep 2025357 AMAQI
14th Sep 2025378 AMAQI
14th Sep 2025259 AMAQI
14th Sep 20252410 AMAQI
14th Sep 20253511 AMAQI
14th Sep 20252812 PMAQI
14th Sep 2025181 PMAQI
14th Sep 2025242 PMAQI
14th Sep 2025283 PMAQI
14th Sep 2025254 PMAQI
14th Sep 2025285 PMAQI
14th Sep 2025396 PMAQI
14th Sep 2025347 PMAQI
14th Sep 2025328 PMAQI
14th Sep 2025349 PMAQI
14th Sep 20253510 PMAQI
14th Sep 20253111 PMAQI
15th Sep 20253012 AMAQI
15th Sep 2025341 AMAQI
15th Sep 2025352 AMAQI
15th Sep 2025363 AMAQI
15th Sep 2025324 AMAQI
22°C17/25°C
15th Sep 2025325 AMAQI
15th Sep 2025336 AMAQI
15th Sep 2025347 AMAQI
15th Sep 2025348 AMAQI
15th Sep 2025279 AMAQI
15th Sep 20252010 AMAQI
15th Sep 20252011 AMAQI
15th Sep 20253212 PMAQI
15th Sep 2025251 PMAQI
15th Sep 2025202 PMAQI
15th Sep 2025293 PMAQI
15th Sep 2025274 PMAQI
15th Sep 2025265 PMAQI
15th Sep 2025286 PMAQI
15th Sep 2025267 PMAQI
15th Sep 2025348 PMAQI
15th Sep 2025299 PMAQI
15th Sep 20252810 PMAQI
15th Sep 20253411 PMAQI
16th Sep 20253312 AMAQI
16th Sep 2025331 AMAQI
16th Sep 2025342 AMAQI
16th Sep 2025343 AMAQI
16th Sep 2025324 AMAQI
21°C16/26°C
16th Sep 2025325 AMAQI
16th Sep 2025326 AMAQI
16th Sep 2025327 AMAQI
16th Sep 2025338 AMAQI
16th Sep 2025389 AMAQI
16th Sep 20254310 AMAQI
16th Sep 20254211 AMAQI
16th Sep 20254212 PMAQI
16th Sep 2025391 PMAQI
16th Sep 2025382 PMAQI
16th Sep 2025433 PMAQI
16th Sep 2025384 PMAQI
16th Sep 2025425 PMAQI
16th Sep 2025426 PMAQI
16th Sep 2025517 PMAQI
16th Sep 2025468 PMAQI
16th Sep 2025409 PMAQI
16th Sep 20254210 PMAQI
16th Sep 20253811 PMAQI
17th Sep 20254012 AMAQI
17th Sep 2025351 AMAQI
17th Sep 2025332 AMAQI
17th Sep 2025333 AMAQI
17th Sep 2025334 AMAQI
23°C19/26°C
17th Sep 2025345 AMAQI
17th Sep 2025336 AMAQI
17th Sep 2025337 AMAQI
17th Sep 2025348 AMAQI
17th Sep 2025299 AMAQI
17th Sep 20253410 AMAQI
17th Sep 20253811 AMAQI
17th Sep 20254312 PMAQI
17th Sep 2025361 PMAQI
17th Sep 2025442 PMAQI
17th Sep 2025353 PMAQI
17th Sep 2025354 PMAQI
17th Sep 2025395 PMAQI
17th Sep 2025356 PMAQI
17th Sep 2025357 PMAQI
17th Sep 2025368 PMAQI
17th Sep 2025379 PMAQI
17th Sep 20253910 PMAQI
17th Sep 20253611 PMAQI
18th Sep 20253612 AMAQI
18th Sep 2025331 AMAQI
18th Sep 2025352 AMAQI
18th Sep 2025363 AMAQI
18th Sep 2025364 AMAQI
22°C19/25°C
18th Sep 2025355 AMAQI
18th Sep 2025366 AMAQI
18th Sep 2025357 AMAQI
18th Sep 2025368 AMAQI
18th Sep 2025249 AMAQI
18th Sep 20252010 AMAQI
18th Sep 20251811 AMAQI
18th Sep 20252012 PMAQI
18th Sep 2025201 PMAQI
18th Sep 2025192 PMAQI
18th Sep 2025203 PMAQI
18th Sep 2025184 PMAQI
18th Sep 2025205 PMAQI
18th Sep 2025206 PMAQI
18th Sep 2025197 PMAQI
18th Sep 2025228 PMAQI
18th Sep 2025289 PMAQI
18th Sep 20252910 PMAQI
18th Sep 20253111 PMAQI
19th Sep 20253012 AMAQI
19th Sep 2025321 AMAQI
19th Sep 2025332 AMAQI
19th Sep 2025343 AMAQI
19th Sep 2025334 AMAQI
18°C14/23°C
19th Sep 2025325 AMAQI
19th Sep 2025336 AMAQI
19th Sep 2025327 AMAQI
19th Sep 2025328 AMAQI
19th Sep 2025239 AMAQI
19th Sep 20251810 AMAQI
19th Sep 20251811 AMAQI
19th Sep 20252012 PMAQI
19th Sep 2025201 PMAQI
19th Sep 2025182 PMAQI
19th Sep 2025173 PMAQI
19th Sep 2025164 PMAQI
19th Sep 2025205 PMAQI
19th Sep 2025236 PMAQI
19th Sep 2025257 PMAQI
19th Sep 2025258 PMAQI
19th Sep 2025289 PMAQI
19th Sep 20252910 PMAQI
19th Sep 20252811 PMAQI
20th Sep 20253012 AMAQI
20th Sep 2025301 AMAQI
20th Sep 2025322 AMAQI
20th Sep 2025323 AMAQI
20th Sep 2025314 AMAQI
17°C13/22°C
20th Sep 2025295 AMAQI
20th Sep 2025296 AMAQI
20th Sep 2025307 AMAQI
20th Sep 2025308 AMAQI
20th Sep 2025239 AMAQI
20th Sep 20252110 AMAQI
20th Sep 20252011 AMAQI
20th Sep 20252412 PMAQI
20th Sep 2025201 PMAQI
20th Sep 2025182 PMAQI
20th Sep 2025223 PMAQI
20th Sep 2025234 PMAQI
20th Sep 2025195 PMAQI
20th Sep 2025206 PMAQI
20th Sep 2025187 PMAQI
20th Sep 2025198 PMAQI
20th Sep 2025249 PMAQI
20th Sep 20252610 PMAQI
20th Sep 20252811 PMAQI
21st Sep 20252712 AMAQI
21st Sep 2025261 AMAQI
21st Sep 2025292 AMAQI
21st Sep 2025303 AMAQI
21st Sep 2025294 AMAQI
17°C14/19°C
21st Sep 2025295 AMAQI
21st Sep 2025286 AMAQI
21st Sep 2025287 AMAQI
21st Sep 2025288 AMAQI
21st Sep 2025229 AMAQI
21st Sep 20252010 AMAQI
21st Sep 20252211 AMAQI
21st Sep 20252212 PMAQI
21st Sep 2025181 PMAQI
21st Sep 2025222 PMAQI
21st Sep 2025223 PMAQI
21st Sep 2025184 PMAQI
21st Sep 2025205 PMAQI
21st Sep 2025246 PMAQI
21st Sep 2025247 PMAQI
21st Sep 2025258 PMAQI
21st Sep 2025289 PMAQI
21st Sep 20252810 PMAQI
21st Sep 20252811 PMAQI
22nd Sep 20252612 AMAQI
22nd Sep 2025271 AMAQI
22nd Sep 2025282 AMAQI
22nd Sep 2025283 AMAQI
22nd Sep 2025284 AMAQI
19°C16/22°C
22nd Sep 2025275 AMAQI
22nd Sep 2025276 AMAQI
22nd Sep 2025277 AMAQI
22nd Sep 2025268 AMAQI
22nd Sep 2025239 AMAQI
22nd Sep 20252210 AMAQI
22nd Sep 20251911 AMAQI
22nd Sep 20251912 PMAQI
22nd Sep 2025191 PMAQI
22nd Sep 2025182 PMAQI
22nd Sep 2025183 PMAQI
22nd Sep 2025194 PMAQI
22nd Sep 2025225 PMAQI
22nd Sep 2025226 PMAQI
22nd Sep 2025247 PMAQI
22nd Sep 2025268 PMAQI
22nd Sep 2025289 PMAQI
22nd Sep 20252810 PMAQI
22nd Sep 20252711 PMAQI
23rd Sep 20252412 AMAQI
23rd Sep 2025261 AMAQI
23rd Sep 2025282 AMAQI
23rd Sep 2025273 AMAQI
23rd Sep 2025264 AMAQI
17°C13/22°C
23rd Sep 2025265 AMAQI
23rd Sep 2025266 AMAQI
23rd Sep 2025267 AMAQI
23rd Sep 2025268 AMAQI
23rd Sep 2025209 AMAQI
23rd Sep 20251810 AMAQI
23rd Sep 20252111 AMAQI
23rd Sep 20252112 PMAQI
23rd Sep 2025201 PMAQI
23rd Sep 2025202 PMAQI
23rd Sep 2025213 PMAQI
23rd Sep 2025264 PMAQI
23rd Sep 2025295 PMAQI
23rd Sep 2025266 PMAQI
23rd Sep 2025277 PMAQI
23rd Sep 2025268 PMAQI
23rd Sep 2025289 PMAQI
23rd Sep 20252910 PMAQI
23rd Sep 20252811 PMAQI
24th Sep 20252812 AMAQI
24th Sep 2025271 AMAQI
24th Sep 2025282 AMAQI
24th Sep 2025273 AMAQI
24th Sep 2025264 AMAQI
18°C13/24°C
24th Sep 2025265 AMAQI
24th Sep 2025266 AMAQI
24th Sep 2025267 AMAQI
24th Sep 2025268 AMAQI
24th Sep 2025279 AMAQI
24th Sep 20252310 AMAQI
24th Sep 20252211 AMAQI
24th Sep 20252412 PMAQI
24th Sep 2025251 PMAQI
24th Sep 2025242 PMAQI
24th Sep 2025243 PMAQI
24th Sep 2025274 PMAQI
24th Sep 2025265 PMAQI
24th Sep 2025306 PMAQI
24th Sep 2025297 PMAQI
24th Sep 2025268 PMAQI
24th Sep 2025289 PMAQI
24th Sep 20252710 PMAQI
24th Sep 20252511 PMAQI
25th Sep 20252612 AMAQI
25th Sep 2025281 AMAQI
25th Sep 2025282 AMAQI
25th Sep 2025283 AMAQI
25th Sep 2025284 AMAQI
18°C13/25°C
25th Sep 2025265 AMAQI
25th Sep 2025266 AMAQI
25th Sep 2025267 AMAQI
25th Sep 2025268 AMAQI
25th Sep 2025299 AMAQI
25th Sep 20253010 AMAQI
25th Sep 20253011 AMAQI
25th Sep 20252512 PMAQI
25th Sep 2025261 PMAQI
25th Sep 2025252 PMAQI
25th Sep 2025423 PMAQI
25th Sep 2025524 PMAQI
25th Sep 2025485 PMAQI
25th Sep 2025376 PMAQI
25th Sep 2025337 PMAQI
25th Sep 2025328 PMAQI
25th Sep 2025329 PMAQI
25th Sep 20253310 PMAQI
25th Sep 20253411 PMAQI
26th Sep 20253412 AMAQI
26th Sep 2025341 AMAQI
26th Sep 2025382 AMAQI
26th Sep 2025393 AMAQI
26th Sep 2025394 AMAQI
18°C15/23°C
26th Sep 2025385 AMAQI
26th Sep 2025366 AMAQI
26th Sep 2025367 AMAQI
26th Sep 2025358 AMAQI
26th Sep 2025339 AMAQI
26th Sep 20253810 AMAQI
26th Sep 20254011 AMAQI
26th Sep 20254012 PMAQI
26th Sep 2025401 PMAQI
26th Sep 2025422 PMAQI
26th Sep 2025433 PMAQI
26th Sep 2025414 PMAQI
26th Sep 2025415 PMAQI
26th Sep 2025426 PMAQI
26th Sep 2025427 PMAQI
26th Sep 2025428 PMAQI
26th Sep 2025439 PMAQI
26th Sep 20254110 PMAQI
26th Sep 20254011 PMAQI
27th Sep 20254112 AMAQI
27th Sep 2025401 AMAQI
27th Sep 2025402 AMAQI
27th Sep 2025393 AMAQI
27th Sep 2025374 AMAQI
20°C17/24°C
27th Sep 2025345 AMAQI
27th Sep 2025336 AMAQI
27th Sep 2025337 AMAQI
27th Sep 2025328 AMAQI
27th Sep 2025319 AMAQI
27th Sep 20253110 AMAQI
27th Sep 20253111 AMAQI
27th Sep 20253112 PMAQI
27th Sep 2025271 PMAQI
27th Sep 2025172 PMAQI
27th Sep 2025173 PMAQI
27th Sep 2025174 PMAQI
27th Sep 2025175 PMAQI
27th Sep 2025176 PMAQI
27th Sep 2025157 PMAQI
27th Sep 2025218 PMAQI
27th Sep 2025219 PMAQI
27th Sep 20251610 PMAQI
27th Sep 20251311 PMAQI
28th Sep 20251112 AMAQI
28th Sep 2025111 AMAQI
28th Sep 2025112 AMAQI
28th Sep 2025113 AMAQI
28th Sep 2025114 AMAQI
18°C14/22°C
28th Sep 202595 AMAQI
28th Sep 2025156 AMAQI
28th Sep 2025167 AMAQI
28th Sep 2025178 AMAQI
28th Sep 2025179 AMAQI
28th Sep 20252110 AMAQI
28th Sep 20251511 AMAQI
28th Sep 20251212 PMAQI
28th Sep 2025151 PMAQI
28th Sep 2025152 PMAQI
28th Sep 2025173 PMAQI
28th Sep 2025214 PMAQI
28th Sep 2025335 PMAQI
28th Sep 2025426 PMAQI
28th Sep 2025547 PMAQI
28th Sep 2025558 PMAQI
28th Sep 2025459 PMAQI
28th Sep 20253710 PMAQI
28th Sep 20253411 PMAQI
29th Sep 20253712 AMAQI
29th Sep 2025351 AMAQI
29th Sep 2025432 AMAQI
29th Sep 2025603 AMAQI
29th Sep 2025564 AMAQI
18°C14/23°C
29th Sep 2025535 AMAQI
29th Sep 2025406 AMAQI
29th Sep 2025347 AMAQI
29th Sep 2025488 AMAQI
29th Sep 2025549 AMAQI
29th Sep 20255510 AMAQI
29th Sep 20255011 AMAQI
29th Sep 20255012 PMAQI
29th Sep 2025501 PMAQI
29th Sep 2025182 PMAQI
29th Sep 2025243 PMAQI
29th Sep 2025214 PMAQI
29th Sep 2025165 PMAQI
29th Sep 2025176 PMAQI
29th Sep 2025227 PMAQI
29th Sep 2025228 PMAQI
29th Sep 2025259 PMAQI
29th Sep 20253010 PMAQI
29th Sep 20253011 PMAQI
30th Sep 20252812 AMAQI
30th Sep 2025221 AMAQI
30th Sep 2025302 AMAQI
30th Sep 2025273 AMAQI
30th Sep 2025334 AMAQI
18°C15/23°C
30th Sep 2025285 AMAQI
30th Sep 2025246 AMAQI
30th Sep 2025247 AMAQI
30th Sep 2025308 AMAQI
30th Sep 2025289 AMAQI
30th Sep 20253910 AMAQI
30th Sep 20253311 AMAQI
30th Sep 20253012 PMAQI
30th Sep 2025301 PMAQI
30th Sep 2025282 PMAQI
30th Sep 2025263 PMAQI
30th Sep 2025314 PMAQI
30th Sep 2025335 PMAQI
30th Sep 2025306 PMAQI
30th Sep 2025367 PMAQI
30th Sep 2025328 PMAQI
30th Sep 2025359 PMAQI
30th Sep 20253910 PMAQI
30th Sep 20253711 PMAQI
1st Oct 20253712 AMAQI
1st Oct 2025331 AMAQI
1st Oct 2025322 AMAQI
1st Oct 2025343 AMAQI
1st Oct 2025304 AMAQI
18°C14/23°C
1st Oct 2025355 AMAQI
1st Oct 2025246 AMAQI
1st Oct 2025277 AMAQI
1st Oct 2025208 AMAQI
1st Oct 2025189 AMAQI
1st Oct 20252410 AMAQI
1st Oct 20251811 AMAQI
1st Oct 20253512 PMAQI
1st Oct 2025401 PMAQI
1st Oct 2025372 PMAQI
1st Oct 2025383 PMAQI
1st Oct 2025384 PMAQI
1st Oct 2025385 PMAQI
1st Oct 2025386 PMAQI
1st Oct 2025407 PMAQI
1st Oct 2025388 PMAQI
1st Oct 2025489 PMAQI
1st Oct 20254810 PMAQI
1st Oct 20254711 PMAQI
2nd Oct 20255112 AMAQI
2nd Oct 2025611 AMAQI
2nd Oct 2025612 AMAQI
2nd Oct 2025493 AMAQI
2nd Oct 2025884 AMAQI
18°C16/23°C
2nd Oct 2025695 AMAQI
2nd Oct 2025596 AMAQI
2nd Oct 2025567 AMAQI
2nd Oct 2025528 AMAQI
2nd Oct 2025569 AMAQI
2nd Oct 20256010 AMAQI
2nd Oct 20255711 AMAQI
2nd Oct 20254712 PMAQI
2nd Oct 2025411 PMAQI
2nd Oct 2025352 PMAQI
2nd Oct 2025383 PMAQI
2nd Oct 2025434 PMAQI
2nd Oct 2025515 PMAQI
2nd Oct 2025536 PMAQI
2nd Oct 2025497 PMAQI
2nd Oct 2025428 PMAQI
2nd Oct 2025439 PMAQI
2nd Oct 20254110 PMAQI
2nd Oct 20253511 PMAQI
3rd Oct 20254712 AMAQI
3rd Oct 2025661 AMAQI
3rd Oct 2025822 AMAQI
3rd Oct 2025933 AMAQI
3rd Oct 2025504 AMAQI
18°C14/22°C
3rd Oct 2025435 AMAQI
3rd Oct 2025446 AMAQI
3rd Oct 2025527 AMAQI
3rd Oct 2025548 AMAQI
3rd Oct 2025549 AMAQI
3rd Oct 20253810 AMAQI
3rd Oct 20253411 AMAQI
3rd Oct 20254712 PMAQI
3rd Oct 2025461 PMAQI
3rd Oct 2025342 PMAQI
3rd Oct 2025423 PMAQI
3rd Oct 2025384 PMAQI
3rd Oct 2025395 PMAQI
3rd Oct 2025406 PMAQI
3rd Oct 2025427 PMAQI
3rd Oct 2025368 PMAQI
3rd Oct 2025469 PMAQI
3rd Oct 20254710 PMAQI
3rd Oct 20254811 PMAQI
4th Oct 20254912 AMAQI
4th Oct 2025511 AMAQI
4th Oct 2025522 AMAQI
4th Oct 2025543 AMAQI
4th Oct 2025524 AMAQI
18°C15/23°C
4th Oct 2025475 AMAQI
4th Oct 2025486 AMAQI
4th Oct 2025457 AMAQI
4th Oct 2025488 AMAQI
4th Oct 2025429 AMAQI
4th Oct 20253410 AMAQI
4th Oct 20255011 AMAQI
4th Oct 20255112 PMAQI
4th Oct 2025541 PMAQI
4th Oct 2025542 PMAQI
4th Oct 2025423 PMAQI
4th Oct 2025414 PMAQI
4th Oct 2025435 PMAQI
4th Oct 2025506 PMAQI
4th Oct 2025567 PMAQI
4th Oct 2025578 PMAQI
4th Oct 2025589 PMAQI
4th Oct 20254810 PMAQI
4th Oct 20254811 PMAQI
5th Oct 20255112 AMAQI
5th Oct 2025481 AMAQI
5th Oct 2025592 AMAQI
5th Oct 2025683 AMAQI
5th Oct 2025634 AMAQI
19°C14/27°C
5th Oct 2025565 AMAQI
5 AM5th Oct 2025566 AMAQI
5th Oct 2025557 AMAQI
5th Oct 2025628 AMAQI
5th Oct 2025709 AMAQI
5th Oct 20256710 AMAQI
5th Oct 20257711 AMAQI
11 AM5th Oct 20257412 PMAQI
5th Oct 2025701 PMAQI
5th Oct 2025592 PMAQI
5th Oct 2025573 PMAQI
5th Oct 2025574 PMAQI
5th Oct 2025575 PMAQI
5 PM5th Oct 2025576 PMAQI
5th Oct 2025547 PMAQI
5th Oct 2025558 PMAQI
5th Oct 2025539 PMAQI
5th Oct 20255210 PMAQI
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 AM
34AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
2 PM
30AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 34), while the lowest AQI was between 2 PM to 2 PM (Avg. 30).
Night time
Avg. Highest Time
2 AM - 4 AM
36AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
12 AM
33AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 4 AM (Avg. 36), while the lowest AQI was between 12 AM to 12 AM (Avg. 33).
2025 Days Vs Air Quality
Hannyamachi, Noshiromachi, Akita, Japan
2025
92%
254
8%
23
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Good
254 DaysModerate
23 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2025, 92% of 278 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Hannyamachi, Noshiromachi, Akita, Japan
AQI levels in 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
29AQI
29AQI
2nd January 2025
30AQI
30AQI
3rd January 2025
28AQI
28AQI
4th January 2025
29AQI
29AQI
5th January 2025
27AQI
27AQI
6th January 2025
26AQI
26AQI
7th January 2025
29AQI
29AQI
8th January 2025
28AQI
28AQI
9th January 2025
29AQI
29AQI
10th January 2025
26AQI
26AQI
11th January 2025
24AQI
24AQI
12th January 2025
24AQI
24AQI
13th January 2025
28AQI
28AQI
14th January 2025
36AQI
36AQI
15th January 2025
29AQI
29AQI
16th January 2025
28AQI
28AQI
17th January 2025
27AQI
27AQI
18th January 2025
29AQI
29AQI
19th January 2025
27AQI
27AQI
20th January 2025
34AQI
34AQI
21st January 2025
43AQI
43AQI
22nd January 2025
37AQI
37AQI
23rd January 2025
35AQI
35AQI
24th January 2025
39AQI
39AQI
25th January 2025
34AQI
34AQI
26th January 2025
29AQI
29AQI
27th January 2025
30AQI
30AQI
28th January 2025
28AQI
28AQI
29th January 2025
31AQI
31AQI
30th January 2025
30AQI
30AQI
31st January 2025
31AQI
31AQI
1st February 2025
31AQI
31AQI
2nd February 2025
29AQI
29AQI
3rd February 2025
29AQI
29AQI
4th February 2025
32AQI
32AQI
5th February 2025
31AQI
31AQI
6th February 2025
32AQI
32AQI
7th February 2025
33AQI
33AQI
8th February 2025
30AQI
30AQI
9th February 2025
31AQI
31AQI
10th February 2025
31AQI
31AQI
11th February 2025
33AQI
33AQI
12th February 2025
30AQI
30AQI
13th February 2025
33AQI
33AQI
14th February 2025
33AQI
33AQI
15th February 2025
32AQI
32AQI
16th February 2025
41AQI
41AQI
17th February 2025
47AQI
47AQI
18th February 2025
32AQI
32AQI
19th February 2025
38AQI
38AQI
20th February 2025
31AQI
31AQI
21st February 2025
32AQI
32AQI
22nd February 2025
32AQI
32AQI
23rd February 2025
32AQI
32AQI
24th February 2025
30AQI
30AQI
25th February 2025
35AQI
35AQI
26th February 2025
40AQI
40AQI
27th February 2025
37AQI
37AQI
28th February 2025
49AQI
49AQI
1st March 2025
51AQI
51AQI
2nd March 2025
54AQI
54AQI
3rd March 2025
40AQI
40AQI
4th March 2025
39AQI
39AQI
5th March 2025
31AQI
31AQI
6th March 2025
31AQI
31AQI
7th March 2025
33AQI
33AQI
8th March 2025
33AQI
33AQI
9th March 2025
34AQI
34AQI
10th March 2025
36AQI
36AQI
11th March 2025
41AQI
41AQI
12th March 2025
44AQI
44AQI
13th March 2025
54AQI
54AQI
14th March 2025
45AQI
45AQI
15th March 2025
37AQI
37AQI
16th March 2025
28AQI
28AQI
17th March 2025
21AQI
21AQI
18th March 2025
21AQI
21AQI
19th March 2025
20AQI
20AQI
20th March 2025
41AQI
41AQI
21st March 2025
53AQI
53AQI
22nd March 2025
52AQI
52AQI
23rd March 2025
36AQI
36AQI
24th March 2025
35AQI
35AQI
25th March 2025
52AQI
52AQI
26th March 2025
41AQI
41AQI
27th March 2025
52AQI
52AQI
28th March 2025
41AQI
41AQI
29th March 2025
35AQI
35AQI
30th March 2025
33AQI
33AQI
31st March 2025
31AQI
31AQI
1st April 2025
30AQI
30AQI
2nd April 2025
24AQI
24AQI
3rd April 2025
20AQI
20AQI
4th April 2025
22AQI
22AQI
5th April 2025
27AQI
27AQI
6th April 2025
29AQI
29AQI
7th April 2025
27AQI
27AQI
8th April 2025
29AQI
29AQI
9th April 2025
26AQI
26AQI
10th April 2025
36AQI
36AQI
11th April 2025
37AQI
37AQI
12th April 2025
38AQI
38AQI
13th April 2025
28AQI
28AQI
14th April 2025
23AQI
23AQI
15th April 2025
25AQI
25AQI
16th April 2025
32AQI
32AQI
17th April 2025
41AQI
41AQI
18th April 2025
40AQI
40AQI
19th April 2025
43AQI
43AQI
20th April 2025
35AQI
35AQI
21st April 2025
41AQI
41AQI
22nd April 2025
37AQI
37AQI
23rd April 2025
39AQI
39AQI
24th April 2025
24AQI
24AQI
25th April 2025
26AQI
26AQI
26th April 2025
57AQI
57AQI
27th April 2025
45AQI
45AQI
28th April 2025
51AQI
51AQI
29th April 2025
32AQI
32AQI
30th April 2025
27AQI
27AQI
1st May 2025
27AQI
27AQI
2nd May 2025
24AQI
24AQI
3rd May 2025
35AQI
35AQI
4th May 2025
31AQI
31AQI
5th May 2025
35AQI
35AQI
6th May 2025
27AQI
27AQI
7th May 2025
26AQI
26AQI
8th May 2025
34AQI
34AQI
9th May 2025
35AQI
35AQI
10th May 2025
26AQI
26AQI
11th May 2025
35AQI
35AQI
12th May 2025
32AQI
32AQI
13th May 2025
40AQI
40AQI
14th May 2025
44AQI
44AQI
15th May 2025
47AQI
47AQI
16th May 2025
53AQI
53AQI
17th May 2025
41AQI
41AQI
18th May 2025
42AQI
42AQI
19th May 2025
44AQI
44AQI
20th May 2025
51AQI
51AQI
21st May 2025
41AQI
41AQI
22nd May 2025
40AQI
40AQI
23rd May 2025
34AQI
34AQI
24th May 2025
37AQI
37AQI
25th May 2025
22AQI
22AQI
26th May 2025
29AQI
29AQI
27th May 2025
29AQI
29AQI
28th May 2025
34AQI
34AQI
29th May 2025
33AQI
33AQI
30th May 2025
35AQI
35AQI
31st May 2025
36AQI
36AQI
1st June 2025
30AQI
30AQI
2nd June 2025
36AQI
36AQI
3rd June 2025
36AQI
36AQI
4th June 2025
39AQI
39AQI
5th June 2025
33AQI
33AQI
6th June 2025
35AQI
35AQI
7th June 2025
47AQI
47AQI
8th June 2025
51AQI
51AQI
9th June 2025
54AQI
54AQI
10th June 2025
58AQI
58AQI
11th June 2025
46AQI
46AQI
12th June 2025
38AQI
38AQI
13th June 2025
36AQI
36AQI
14th June 2025
43AQI
43AQI
15th June 2025
29AQI
29AQI
16th June 2025
27AQI
27AQI
17th June 2025
34AQI
34AQI
18th June 2025
33AQI
33AQI
19th June 2025
42AQI
42AQI
20th June 2025
47AQI
47AQI
21st June 2025
50AQI
50AQI
22nd June 2025
60AQI
60AQI
23rd June 2025
46AQI
46AQI
24th June 2025
44AQI
44AQI
25th June 2025
45AQI
45AQI
26th June 2025
45AQI
45AQI
27th June 2025
47AQI
47AQI
28th June 2025
39AQI
39AQI
29th June 2025
39AQI
39AQI
30th June 2025
45AQI
45AQI
1st July 2025
49AQI
49AQI
2nd July 2025
50AQI
50AQI
3rd July 2025
62AQI
62AQI
4th July 2025
63AQI
63AQI
5th July 2025
59AQI
59AQI
6th July 2025
57AQI
57AQI
7th July 2025
57AQI
57AQI
8th July 2025
53AQI
53AQI
9th July 2025
53AQI
53AQI
10th July 2025
50AQI
50AQI
11th July 2025
45AQI
45AQI
12th July 2025
45AQI
45AQI
13th July 2025
45AQI
45AQI
14th July 2025
43AQI
43AQI
15th July 2025
41AQI
41AQI
16th July 2025
42AQI
42AQI
17th July 2025
39AQI
39AQI
18th July 2025
39AQI
39AQI
19th July 2025
36AQI
36AQI
20th July 2025
37AQI
37AQI
21st July 2025
37AQI
37AQI
22nd July 2025
37AQI
37AQI
23rd July 2025
38AQI
38AQI
24th July 2025
37AQI
37AQI
25th July 2025
36AQI
36AQI
26th July 2025
38AQI
38AQI
27th July 2025
36AQI
36AQI
28th July 2025
34AQI
34AQI
29th July 2025
35AQI
35AQI
30th July 2025
42AQI
42AQI
31st July 2025
42AQI
42AQI
1st August 2025
38AQI
38AQI
2nd August 2025
38AQI
38AQI
3rd August 2025
40AQI
40AQI
4th August 2025
46AQI
46AQI
5th August 2025
42AQI
42AQI
6th August 2025
45AQI
45AQI
7th August 2025
35AQI
35AQI
8th August 2025
32AQI
32AQI
9th August 2025
30AQI
30AQI
10th August 2025
33AQI
33AQI
11th August 2025
32AQI
32AQI
12th August 2025
33AQI
33AQI
13th August 2025
32AQI
32AQI
14th August 2025
34AQI
34AQI
15th August 2025
35AQI
35AQI
16th August 2025
33AQI
33AQI
17th August 2025
35AQI
35AQI
18th August 2025
36AQI
36AQI
19th August 2025
41AQI
41AQI
20th August 2025
45AQI
45AQI
21st August 2025
46AQI
46AQI
22nd August 2025
42AQI
42AQI
23rd August 2025
47AQI
47AQI
24th August 2025
45AQI
45AQI
25th August 2025
43AQI
43AQI
26th August 2025
47AQI
47AQI
27th August 2025
39AQI
39AQI
28th August 2025
34AQI
34AQI
29th August 2025
42AQI
42AQI
30th August 2025
45AQI
45AQI
31st August 2025
40AQI
40AQI
1st September 2025
41AQI
41AQI
2nd September 2025
36AQI
36AQI
3rd September 2025
35AQI
35AQI
4th September 2025
33AQI
33AQI
5th September 2025
29AQI
29AQI
6th September 2025
30AQI
30AQI
7th September 2025
30AQI
30AQI
8th September 2025
30AQI
30AQI
9th September 2025
39AQI
39AQI
10th September 2025
32AQI
32AQI
11th September 2025
35AQI
35AQI
12th September 2025
36AQI
36AQI
13th September 2025
30AQI
30AQI
14th September 2025
32AQI
32AQI
15th September 2025
30AQI
30AQI
16th September 2025
38AQI
38AQI
17th September 2025
36AQI
36AQI
18th September 2025
27AQI
27AQI
19th September 2025
26AQI
26AQI
20th September 2025
25AQI
25AQI
21st September 2025
25AQI
25AQI
22nd September 2025
24AQI
24AQI
23rd September 2025
25AQI
25AQI
24th September 2025
26AQI
26AQI
25th September 2025
32AQI
32AQI
26th September 2025
39AQI
39AQI
27th September 2025
27AQI
27AQI
28th September 2025
25AQI
25AQI
29th September 2025
36AQI
36AQI
30th September 2025
31AQI
31AQI
1st October 2025
35AQI
35AQI
2nd October 2025
52AQI
52AQI
3rd October 2025
49AQI
49AQI
4th October 2025
49AQI
49AQI
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
30AQI
34AQI
39AQI
33AQI
35AQI
42AQI
44AQI
39AQI
31AQI
46AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202537AQI
31
28
24
7
28
2
29
2
26
4
24
7
31
30
3
1
254
23
Highest AQI recorded in
October46AQI
Lowest AQI recorded in
January30AQI
202435AQI
31
27
2
29
2
22
8
30
1
28
2
24
7
31
30
31
30
31
344
22
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
December28AQI
202338AQI
29
2
26
2
17
14
16
13
1
25
6
29
1
22
9
10
1
30
31
27
2
30
1
292
51
1
Highest AQI recorded in
April55AQI
Lowest AQI recorded in
September29AQI
202235AQI
31
19
3
28
3
13
4
22
9
22
8
21
3
27
2
29
2
30
31
276
31
Highest AQI recorded in
May47AQI
Lowest AQI recorded in
August25AQI
202136AQI
30
1
23
5
15
13
1
17
4
29
2
23
7
28
3
26
5
30
31
30
31
313
40
1
Highest AQI recorded in
March52AQI
Lowest AQI recorded in
November29AQI
202034AQI
13
18
3
15
3
26
4
30
1
20
9
2
18
1
31
27
3
28
3
226
27
2
Highest AQI recorded in
August50AQI
Lowest AQI recorded in
September28AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
38AQILeast Polluted Year Recorded
2020(Avg.)
34AQIHannyamachi's annual 2025 AQI (37) shows an average percentage change of 2.2% (worsened AQI) compared to previous years: 2020 (34), 2021 (36), 2022 (35), 2023 (38), 2024 (35).
