Minamiozuma, Nagano, 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
Minamiozuma, Nagano, Japan
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2024
57AQILowest AQI recorded on
2nd Aug 2022
10AQISame Day Analysis (4th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 23 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 3rd Aug - 4th Aug 2026
Minamiozuma, Nagano, Japan
AQI
Day
Night
.
4 AM3rd Aug 2026
7 PM
3 AM4th Aug 2026
Day time
Avg. Highest Time
2PM3rd Aug
43AQI
Avg. Lowest Time
6PM3rd Aug
21AQI
Night time
Avg. Highest Time
9PM3rd Aug
31AQI
Avg. Lowest Time
1AM4th Aug
22AQI
In the last 24 hours,
Minamiozuma's AQI reached its highest point of 43 at 2 PM during the Day, while the lowest point, 21, was recorded at 6 PM during the Day between 3rd Aug and 4th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Minamiozuma, Nagano, Japan
JulAug
06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th
Day
Night
6th Jul 2026224 AMAQI
6th Jul 202685 AMAQI
6th Jul 202686 AMAQI
6th Jul 202687 AMAQI
6th Jul 2026168 AMAQI
6th Jul 2026129 AMAQI
6th Jul 20261810 AMAQI
6th Jul 20263411 AMAQI
6th Jul 20261212 PMAQI
6th Jul 2026101 PMAQI
6th Jul 2026172 PMAQI
6th Jul 202683 PMAQI
6th Jul 2026154 PMAQI
6th Jul 2026135 PMAQI
6th Jul 2026116 PMAQI
6th Jul 2026177 PMAQI
6th Jul 2026168 PMAQI
6th Jul 2026209 PMAQI
6th Jul 20261210 PMAQI
6th Jul 2026811 PMAQI
7th Jul 2026812 AMAQI
7th Jul 2026141 AMAQI
7th Jul 202682 AMAQI
7th Jul 202683 AMAQI
18°C16/20°C
7th Jul 202684 AMAQI
7th Jul 2026125 AMAQI
7th Jul 202686 AMAQI
7th Jul 2026207 AMAQI
7th Jul 2026228 AMAQI
7th Jul 2026239 AMAQI
7th Jul 20261810 AMAQI
7th Jul 20261411 AMAQI
7th Jul 20262012 PMAQI
7th Jul 2026211 PMAQI
7th Jul 2026232 PMAQI
7th Jul 2026183 PMAQI
7th Jul 2026164 PMAQI
7th Jul 2026265 PMAQI
7th Jul 2026246 PMAQI
7th Jul 2026267 PMAQI
7th Jul 2026258 PMAQI
7th Jul 2026269 PMAQI
7th Jul 20262710 PMAQI
7th Jul 20262511 PMAQI
8th Jul 20262912 AMAQI
8th Jul 2026291 AMAQI
8th Jul 2026292 AMAQI
8th Jul 2026263 AMAQI
20°C16/27°C
8th Jul 2026274 AMAQI
8th Jul 2026285 AMAQI
8th Jul 2026286 AMAQI
8th Jul 2026307 AMAQI
8th Jul 2026288 AMAQI
8th Jul 2026269 AMAQI
8th Jul 20262610 AMAQI
8th Jul 20262411 AMAQI
8th Jul 20262212 PMAQI
8th Jul 2026231 PMAQI
8th Jul 2026232 PMAQI
8th Jul 2026263 PMAQI
8th Jul 2026264 PMAQI
8th Jul 2026225 PMAQI
8th Jul 2026246 PMAQI
8th Jul 2026207 PMAQI
8th Jul 2026198 PMAQI
8th Jul 2026229 PMAQI
8th Jul 20262410 PMAQI
8th Jul 20262511 PMAQI
9th Jul 20262812 AMAQI
9th Jul 2026301 AMAQI
9th Jul 2026282 AMAQI
9th Jul 2026293 AMAQI
22°C17/29°C
9th Jul 2026274 AMAQI
9th Jul 2026275 AMAQI
9th Jul 2026286 AMAQI
9th Jul 2026267 AMAQI
9th Jul 2026258 AMAQI
9th Jul 2026249 AMAQI
9th Jul 20262510 AMAQI
9th Jul 20262211 AMAQI
9th Jul 20262212 PMAQI
9th Jul 2026221 PMAQI
9th Jul 2026242 PMAQI
9th Jul 2026253 PMAQI
9th Jul 2026254 PMAQI
9th Jul 2026245 PMAQI
9th Jul 2026246 PMAQI
9th Jul 2026267 PMAQI
9th Jul 2026268 PMAQI
9th Jul 2026269 PMAQI
9th Jul 20262810 PMAQI
9th Jul 20262911 PMAQI
10th Jul 20262912 AMAQI
10th Jul 2026301 AMAQI
10th Jul 2026302 AMAQI
10th Jul 2026303 AMAQI
23°C17/31°C
10th Jul 2026284 AMAQI
10th Jul 2026305 AMAQI
10th Jul 2026296 AMAQI
10th Jul 2026307 AMAQI
10th Jul 2026308 AMAQI
10th Jul 2026309 AMAQI
10th Jul 20263010 AMAQI
10th Jul 20262811 AMAQI
10th Jul 20262912 PMAQI
10th Jul 2026261 PMAQI
10th Jul 2026262 PMAQI
10th Jul 2026243 PMAQI
10th Jul 2026264 PMAQI
10th Jul 2026295 PMAQI
10th Jul 2026316 PMAQI
10th Jul 2026347 PMAQI
10th Jul 2026338 PMAQI
10th Jul 2026309 PMAQI
10th Jul 20263210 PMAQI
10th Jul 20263211 PMAQI
11th Jul 20263512 AMAQI
11th Jul 2026341 AMAQI
11th Jul 2026332 AMAQI
11th Jul 2026323 AMAQI
24°C16/34°C
11th Jul 2026314 AMAQI
11th Jul 2026305 AMAQI
11th Jul 2026326 AMAQI
11th Jul 2026327 AMAQI
11th Jul 2026348 AMAQI
11th Jul 2026349 AMAQI
11th Jul 20263310 AMAQI
11th Jul 20263011 AMAQI
11th Jul 20262812 PMAQI
11th Jul 2026261 PMAQI
11th Jul 2026242 PMAQI
11th Jul 2026243 PMAQI
11th Jul 2026264 PMAQI
11th Jul 2026305 PMAQI
11th Jul 2026286 PMAQI
11th Jul 2026307 PMAQI
11th Jul 2026268 PMAQI
11th Jul 2026319 PMAQI
11th Jul 20263210 PMAQI
11th Jul 20263211 PMAQI
12th Jul 20263312 AMAQI
12th Jul 2026321 AMAQI
12th Jul 2026322 AMAQI
12th Jul 2026303 AMAQI
22°C16/29°C
12th Jul 2026264 AMAQI
12th Jul 2026305 AMAQI
12th Jul 2026306 AMAQI
12th Jul 2026287 AMAQI
12th Jul 2026298 AMAQI
12th Jul 2026309 AMAQI
12th Jul 20262810 AMAQI
12th Jul 20262811 AMAQI
12th Jul 20262612 PMAQI
12th Jul 2026231 PMAQI
12th Jul 2026202 PMAQI
12th Jul 2026223 PMAQI
12th Jul 2026264 PMAQI
12th Jul 2026295 PMAQI
12th Jul 2026286 PMAQI
12th Jul 2026287 PMAQI
12th Jul 2026308 PMAQI
12th Jul 2026329 PMAQI
12th Jul 20262910 PMAQI
12th Jul 20262811 PMAQI
13th Jul 20263012 AMAQI
13th Jul 2026281 AMAQI
13th Jul 2026292 AMAQI
13th Jul 2026303 AMAQI
21°C16/28°C
13th Jul 2026254 AMAQI
13th Jul 2026275 AMAQI
13th Jul 2026266 AMAQI
13th Jul 2026287 AMAQI
13th Jul 2026278 AMAQI
13th Jul 2026299 AMAQI
13th Jul 20263010 AMAQI
13th Jul 20262511 AMAQI
13th Jul 20262412 PMAQI
13th Jul 2026221 PMAQI
13th Jul 2026202 PMAQI
13th Jul 2026203 PMAQI
13th Jul 2026244 PMAQI
13th Jul 2026445 PMAQI
13th Jul 2026286 PMAQI
13th Jul 2026317 PMAQI
13th Jul 2026288 PMAQI
13th Jul 2026289 PMAQI
13th Jul 20263010 PMAQI
13th Jul 20263311 PMAQI
14th Jul 20263012 AMAQI
14th Jul 2026301 AMAQI
14th Jul 2026302 AMAQI
14th Jul 2026283 AMAQI
20°C16/26°C
14th Jul 2026264 AMAQI
14th Jul 2026285 AMAQI
14th Jul 2026286 AMAQI
14th Jul 2026277 AMAQI
14th Jul 2026248 AMAQI
14th Jul 2026309 AMAQI
14th Jul 20262410 AMAQI
14th Jul 20262611 AMAQI
14th Jul 20262612 PMAQI
14th Jul 2026261 PMAQI
14th Jul 2026212 PMAQI
14th Jul 2026203 PMAQI
14th Jul 2026234 PMAQI
14th Jul 2026275 PMAQI
14th Jul 2026306 PMAQI
14th Jul 2026307 PMAQI
14th Jul 2026468 PMAQI
14th Jul 2026319 PMAQI
14th Jul 20264110 PMAQI
14th Jul 20263211 PMAQI
15th Jul 20263612 AMAQI
15th Jul 2026301 AMAQI
15th Jul 2026462 AMAQI
15th Jul 2026243 AMAQI
23°C15/32°C
15th Jul 2026444 AMAQI
15th Jul 2026285 AMAQI
15th Jul 2026386 AMAQI
15th Jul 2026287 AMAQI
15th Jul 2026308 AMAQI
15th Jul 2026389 AMAQI
15th Jul 20265410 AMAQI
15th Jul 20265811 AMAQI
15th Jul 20265112 PMAQI
15th Jul 2026521 PMAQI
15th Jul 2026372 PMAQI
15th Jul 2026343 PMAQI
15th Jul 2026414 PMAQI
15th Jul 2026395 PMAQI
15th Jul 2026436 PMAQI
15th Jul 2026407 PMAQI
15th Jul 2026418 PMAQI
15th Jul 2026389 PMAQI
15th Jul 20264110 PMAQI
15th Jul 20265211 PMAQI
16th Jul 20265212 AMAQI
16th Jul 2026551 AMAQI
16th Jul 2026602 AMAQI
16th Jul 2026603 AMAQI
25°C16/35°C
16th Jul 2026644 AMAQI
16th Jul 2026615 AMAQI
16th Jul 2026616 AMAQI
16th Jul 2026597 AMAQI
16th Jul 2026568 AMAQI
16th Jul 2026549 AMAQI
16th Jul 20265310 AMAQI
16th Jul 20265611 AMAQI
16th Jul 20265912 PMAQI
16th Jul 2026661 PMAQI
16th Jul 2026462 PMAQI
16th Jul 2026623 PMAQI
16th Jul 2026604 PMAQI
16th Jul 2026615 PMAQI
16th Jul 2026466 PMAQI
16th Jul 2026467 PMAQI
16th Jul 2026578 PMAQI
16th Jul 2026539 PMAQI
16th Jul 20265010 PMAQI
16th Jul 20265311 PMAQI
17th Jul 20265412 AMAQI
17th Jul 2026431 AMAQI
17th Jul 2026522 AMAQI
17th Jul 2026503 AMAQI
24°C17/32°C
17th Jul 2026464 AMAQI
17th Jul 2026505 AMAQI
17th Jul 2026476 AMAQI
17th Jul 2026417 AMAQI
17th Jul 2026458 AMAQI
17th Jul 2026389 AMAQI
17th Jul 20263810 AMAQI
17th Jul 20262711 AMAQI
17th Jul 20263512 PMAQI
17th Jul 2026321 PMAQI
17th Jul 2026232 PMAQI
17th Jul 2026303 PMAQI
17th Jul 2026544 PMAQI
17th Jul 2026545 PMAQI
17th Jul 2026526 PMAQI
17th Jul 2026547 PMAQI
17th Jul 2026518 PMAQI
17th Jul 2026519 PMAQI
17th Jul 20264710 PMAQI
17th Jul 20263611 PMAQI
18th Jul 20263212 AMAQI
18th Jul 2026321 AMAQI
18th Jul 2026292 AMAQI
18th Jul 2026303 AMAQI
23°C18/29°C
18th Jul 2026314 AMAQI
18th Jul 2026295 AMAQI
18th Jul 2026226 AMAQI
18th Jul 2026237 AMAQI
18th Jul 2026258 AMAQI
18th Jul 2026229 AMAQI
18th Jul 20262410 AMAQI
18th Jul 20262211 AMAQI
18th Jul 20262712 PMAQI
18th Jul 2026281 PMAQI
18th Jul 2026292 PMAQI
18th Jul 2026393 PMAQI
18th Jul 2026454 PMAQI
18th Jul 2026495 PMAQI
18th Jul 2026496 PMAQI
18th Jul 2026457 PMAQI
18th Jul 2026378 PMAQI
18th Jul 2026379 PMAQI
18th Jul 20263610 PMAQI
18th Jul 20263111 PMAQI
19th Jul 20263012 AMAQI
19th Jul 2026321 AMAQI
19th Jul 2026302 AMAQI
19th Jul 2026313 AMAQI
22°C17/27°C
19th Jul 2026284 AMAQI
19th Jul 2026285 AMAQI
19th Jul 2026296 AMAQI
19th Jul 2026287 AMAQI
19th Jul 2026278 AMAQI
19th Jul 2026249 AMAQI
19th Jul 20262310 AMAQI
19th Jul 20262311 AMAQI
19th Jul 20262812 PMAQI
19th Jul 2026301 PMAQI
19th Jul 2026402 PMAQI
19th Jul 2026443 PMAQI
19th Jul 2026444 PMAQI
19th Jul 2026465 PMAQI
19th Jul 2026426 PMAQI
19th Jul 2026377 PMAQI
19th Jul 2026348 PMAQI
19th Jul 2026369 PMAQI
19th Jul 20263210 PMAQI
19th Jul 20263211 PMAQI
20th Jul 20263112 AMAQI
20th Jul 2026291 AMAQI
20th Jul 2026292 AMAQI
20th Jul 2026283 AMAQI
23°C17/32°C
20th Jul 2026284 AMAQI
20th Jul 2026315 AMAQI
20th Jul 2026306 AMAQI
20th Jul 2026307 AMAQI
20th Jul 2026288 AMAQI
20th Jul 2026289 AMAQI
20th Jul 20263110 AMAQI
20th Jul 20263411 AMAQI
20th Jul 20263612 PMAQI
20th Jul 2026401 PMAQI
20th Jul 2026362 PMAQI
20th Jul 2026383 PMAQI
20th Jul 2026384 PMAQI
20th Jul 2026405 PMAQI
20th Jul 2026386 PMAQI
20th Jul 2026397 PMAQI
20th Jul 2026378 PMAQI
20th Jul 2026429 PMAQI
20th Jul 20264210 PMAQI
20th Jul 20264111 PMAQI
21st Jul 20264112 AMAQI
21st Jul 2026431 AMAQI
21st Jul 2026422 AMAQI
21st Jul 2026403 AMAQI
24°C17/33°C
21st Jul 2026424 AMAQI
21st Jul 2026465 AMAQI
21st Jul 2026486 AMAQI
21st Jul 2026557 AMAQI
21st Jul 2026568 AMAQI
21st Jul 2026569 AMAQI
21st Jul 20265710 AMAQI
21st Jul 20265111 AMAQI
21st Jul 2026551 PMAQI
21st Jul 2026602 PMAQI
21st Jul 2026583 PMAQI
21st Jul 2026584 PMAQI
21st Jul 2026595 PMAQI
21st Jul 2026606 PMAQI
21st Jul 2026927 PMAQI
21st Jul 2026618 PMAQI
21st Jul 2026619 PMAQI
21st Jul 20265810 PMAQI
21st Jul 20265611 PMAQI
22nd Jul 20265712 AMAQI
22nd Jul 2026561 AMAQI
22nd Jul 2026542 AMAQI
22nd Jul 2026543 AMAQI
24°C17/33°C
22nd Jul 2026534 AMAQI
22nd Jul 2026485 AMAQI
22nd Jul 2026486 AMAQI
22nd Jul 2026477 AMAQI
22nd Jul 2026508 AMAQI
22nd Jul 2026489 AMAQI
22nd Jul 20265010 AMAQI
22nd Jul 20265811 AMAQI
22nd Jul 20266012 PMAQI
22nd Jul 2026661 PMAQI
22nd Jul 2026682 PMAQI
22nd Jul 2026713 PMAQI
22nd Jul 2026724 PMAQI
22nd Jul 2026725 PMAQI
22nd Jul 2026726 PMAQI
22nd Jul 2026707 PMAQI
22nd Jul 2026688 PMAQI
22nd Jul 2026689 PMAQI
22nd Jul 20267410 PMAQI
22nd Jul 20268311 PMAQI
23rd Jul 20268412 AMAQI
23rd Jul 2026961 AMAQI
23rd Jul 2026742 AMAQI
23rd Jul 2026563 AMAQI
25°C17/34°C
23rd Jul 2026584 AMAQI
23rd Jul 2026345 AMAQI
23rd Jul 2026386 AMAQI
23rd Jul 2026397 AMAQI
23rd Jul 2026408 AMAQI
23rd Jul 2026429 AMAQI
23rd Jul 20265310 AMAQI
23rd Jul 20266311 AMAQI
23rd Jul 20265812 PMAQI
23rd Jul 2026521 PMAQI
23rd Jul 2026482 PMAQI
23rd Jul 2026413 PMAQI
23rd Jul 2026414 PMAQI
23rd Jul 2026445 PMAQI
23rd Jul 2026376 PMAQI
23rd Jul 2026457 PMAQI
23rd Jul 2026428 PMAQI
23rd Jul 2026429 PMAQI
23rd Jul 20264210 PMAQI
23rd Jul 20263611 PMAQI
24th Jul 20263712 AMAQI
24th Jul 2026341 AMAQI
24th Jul 2026322 AMAQI
24th Jul 2026293 AMAQI
24°C16/34°C
24th Jul 2026244 AMAQI
24th Jul 2026235 AMAQI
24th Jul 2026286 AMAQI
24th Jul 2026267 AMAQI
24th Jul 2026208 AMAQI
24th Jul 2026249 AMAQI
24th Jul 20263010 AMAQI
24th Jul 20264611 AMAQI
24th Jul 20264612 PMAQI
24th Jul 2026461 PMAQI
24th Jul 2026502 PMAQI
24th Jul 2026343 PMAQI
24th Jul 2026304 PMAQI
24th Jul 2026345 PMAQI
24th Jul 2026306 PMAQI
24th Jul 2026347 PMAQI
24th Jul 2026308 PMAQI
24th Jul 2026249 PMAQI
24th Jul 20263210 PMAQI
24th Jul 20263211 PMAQI
25th Jul 20262912 AMAQI
25th Jul 2026321 AMAQI
25th Jul 2026422 AMAQI
25th Jul 2026403 AMAQI
24°C16/33°C
25th Jul 2026414 AMAQI
25th Jul 2026365 AMAQI
25th Jul 2026406 AMAQI
25th Jul 2026337 AMAQI
25th Jul 2026348 AMAQI
25th Jul 2026319 AMAQI
25th Jul 20263410 AMAQI
25th Jul 20263911 AMAQI
25th Jul 20264612 PMAQI
25th Jul 2026421 PMAQI
25th Jul 2026412 PMAQI
25th Jul 2026513 PMAQI
25th Jul 2026484 PMAQI
25th Jul 2026475 PMAQI
25th Jul 2026526 PMAQI
25th Jul 2026507 PMAQI
25th Jul 2026388 PMAQI
25th Jul 2026369 PMAQI
25th Jul 20263610 PMAQI
25th Jul 20263811 PMAQI
26th Jul 20263812 AMAQI
26th Jul 2026371 AMAQI
26th Jul 2026342 AMAQI
26th Jul 2026343 AMAQI
23°C16/33°C
26th Jul 2026294 AMAQI
26th Jul 2026285 AMAQI
26th Jul 2026216 AMAQI
26th Jul 2026267 AMAQI
26th Jul 2026278 AMAQI
26th Jul 2026309 AMAQI
26th Jul 20262910 AMAQI
26th Jul 20263211 AMAQI
26th Jul 20264012 PMAQI
26th Jul 2026441 PMAQI
26th Jul 2026482 PMAQI
26th Jul 2026483 PMAQI
26th Jul 2026314 PMAQI
26th Jul 2026315 PMAQI
26th Jul 2026286 PMAQI
26th Jul 2026317 PMAQI
26th Jul 2026328 PMAQI
26th Jul 2026299 PMAQI
26th Jul 20263010 PMAQI
26th Jul 20262811 PMAQI
27th Jul 20262412 AMAQI
27th Jul 2026211 AMAQI
27th Jul 2026302 AMAQI
27th Jul 2026353 AMAQI
22°C16/29°C
27th Jul 2026314 AMAQI
27th Jul 2026355 AMAQI
27th Jul 2026326 AMAQI
27th Jul 2026347 AMAQI
27th Jul 2026368 AMAQI
27th Jul 2026349 AMAQI
27th Jul 20263210 AMAQI
27th Jul 20262211 AMAQI
27th Jul 20262212 PMAQI
27th Jul 2026211 PMAQI
27th Jul 2026212 PMAQI
27th Jul 2026223 PMAQI
27th Jul 2026244 PMAQI
27th Jul 2026235 PMAQI
27th Jul 2026216 PMAQI
27th Jul 2026217 PMAQI
27th Jul 2026238 PMAQI
27th Jul 2026279 PMAQI
27th Jul 20262310 PMAQI
27th Jul 20262211 PMAQI
28th Jul 20262512 AMAQI
28th Jul 2026231 AMAQI
28th Jul 2026252 AMAQI
28th Jul 2026233 AMAQI
21°C14/30°C
28th Jul 2026274 AMAQI
28th Jul 2026235 AMAQI
28th Jul 2026246 AMAQI
28th Jul 2026237 AMAQI
28th Jul 2026238 AMAQI
28th Jul 2026249 AMAQI
28th Jul 20262310 AMAQI
28th Jul 20262311 AMAQI
28th Jul 20262212 PMAQI
28th Jul 2026221 PMAQI
28th Jul 2026402 PMAQI
28th Jul 2026443 PMAQI
28th Jul 2026374 PMAQI
28th Jul 2026285 PMAQI
28th Jul 2026306 PMAQI
28th Jul 2026327 PMAQI
28th Jul 2026248 PMAQI
28th Jul 2026279 PMAQI
28th Jul 20262410 PMAQI
28th Jul 20262411 PMAQI
29th Jul 20264512 AMAQI
29th Jul 2026231 AMAQI
29th Jul 2026302 AMAQI
29th Jul 2026313 AMAQI
19°C14/28°C
29th Jul 2026294 AMAQI
29th Jul 2026255 AMAQI
29th Jul 2026216 AMAQI
29th Jul 2026217 AMAQI
29th Jul 2026248 AMAQI
29th Jul 2026349 AMAQI
29th Jul 20263010 AMAQI
29th Jul 20263911 AMAQI
29th Jul 20262112 PMAQI
29th Jul 2026221 PMAQI
29th Jul 2026222 PMAQI
29th Jul 2026213 PMAQI
29th Jul 2026234 PMAQI
29th Jul 2026275 PMAQI
29th Jul 2026276 PMAQI
29th Jul 2026277 PMAQI
29th Jul 2026308 PMAQI
29th Jul 2026309 PMAQI
29th Jul 20263310 PMAQI
29th Jul 20263011 PMAQI
30th Jul 20262612 AMAQI
30th Jul 2026261 AMAQI
30th Jul 2026212 AMAQI
30th Jul 2026213 AMAQI
20°C14/30°C
30th Jul 2026224 AMAQI
30th Jul 2026235 AMAQI
30th Jul 2026216 AMAQI
30th Jul 2026217 AMAQI
30th Jul 2026218 AMAQI
30th Jul 2026229 AMAQI
30th Jul 20262210 AMAQI
30th Jul 20262211 AMAQI
30th Jul 20262512 PMAQI
30th Jul 2026281 PMAQI
30th Jul 2026282 PMAQI
30th Jul 2026273 PMAQI
30th Jul 2026274 PMAQI
30th Jul 2026285 PMAQI
30th Jul 2026296 PMAQI
30th Jul 2026317 PMAQI
30th Jul 2026278 PMAQI
30th Jul 2026389 PMAQI
30th Jul 20263610 PMAQI
30th Jul 20262611 PMAQI
31st Jul 20262912 AMAQI
31st Jul 2026281 AMAQI
31st Jul 2026282 AMAQI
31st Jul 2026263 AMAQI
23°C15/32°C
31st Jul 2026274 AMAQI
31st Jul 2026215 AMAQI
31st Jul 2026236 AMAQI
31st Jul 2026237 AMAQI
31st Jul 2026258 AMAQI
31st Jul 2026259 AMAQI
31st Jul 20262610 AMAQI
31st Jul 20263311 AMAQI
31st Jul 20264512 PMAQI
31st Jul 2026521 PMAQI
31st Jul 2026522 PMAQI
31st Jul 2026543 PMAQI
31st Jul 2026524 PMAQI
31st Jul 2026525 PMAQI
31st Jul 2026536 PMAQI
31st Jul 2026547 PMAQI
31st Jul 2026398 PMAQI
31st Jul 2026369 PMAQI
31st Jul 20263510 PMAQI
31st Jul 20263411 PMAQI
1st Aug 20262812 AMAQI
1st Aug 2026301 AMAQI
1st Aug 2026272 AMAQI
1st Aug 2026383 AMAQI
22°C16/32°C
1st Aug 2026344 AMAQI
1st Aug 2026325 AMAQI
1st Aug 2026346 AMAQI
1st Aug 2026347 AMAQI
1st Aug 2026328 AMAQI
1st Aug 2026329 AMAQI
1st Aug 20263410 AMAQI
1st Aug 20263611 AMAQI
1st Aug 20263912 PMAQI
1st Aug 2026391 PMAQI
1st Aug 2026392 PMAQI
1st Aug 2026363 PMAQI
1st Aug 2026334 PMAQI
1st Aug 2026345 PMAQI
1st Aug 2026346 PMAQI
1st Aug 2026367 PMAQI
1st Aug 2026328 PMAQI
1st Aug 2026349 PMAQI
1st Aug 20263410 PMAQI
1st Aug 20263411 PMAQI
2nd Aug 20263112 AMAQI
2nd Aug 2026321 AMAQI
2nd Aug 2026312 AMAQI
2nd Aug 2026313 AMAQI
23°C16/32°C
2nd Aug 2026294 AMAQI
2nd Aug 2026285 AMAQI
2nd Aug 2026276 AMAQI
2nd Aug 2026277 AMAQI
2nd Aug 2026268 AMAQI
2nd Aug 2026279 AMAQI
2nd Aug 20262710 AMAQI
2nd Aug 20262811 AMAQI
2nd Aug 20263112 PMAQI
2nd Aug 2026291 PMAQI
2nd Aug 2026292 PMAQI
2nd Aug 2026323 PMAQI
2nd Aug 2026304 PMAQI
2nd Aug 2026295 PMAQI
2nd Aug 2026316 PMAQI
2nd Aug 2026317 PMAQI
2nd Aug 2026308 PMAQI
2nd Aug 2026299 PMAQI
2nd Aug 20262810 PMAQI
2nd Aug 20263011 PMAQI
3rd Aug 20263012 AMAQI
3rd Aug 2026291 AMAQI
3rd Aug 2026302 AMAQI
3rd Aug 2026283 AMAQI
23°C16/32°C
3rd Aug 2026264 AMAQI
3rd Aug 2026255 AMAQI
3rd Aug 2026286 AMAQI
3rd Aug 2026287 AMAQI
3rd Aug 2026268 AMAQI
3rd Aug 2026279 AMAQI
3rd Aug 20262710 AMAQI
3rd Aug 20262511 AMAQI
3rd Aug 20262712 PMAQI
3rd Aug 2026341 PMAQI
3rd Aug 2026432 PMAQI
3rd Aug 2026383 PMAQI
3rd Aug 2026404 PMAQI
3rd Aug 2026225 PMAQI
3rd Aug 2026216 PMAQI
3rd Aug 2026257 PMAQI
3rd Aug 2026268 PMAQI
3rd Aug 2026319 PMAQI
3rd Aug 20263110 PMAQI
3rd Aug 20262711 PMAQI
4th Aug 20262812 AMAQI
4th Aug 2026221 AMAQI
4th Aug 2026252 AMAQI
4th Aug 2026243 AMAQI
23°C18/29°C
4th Aug 2026204 AMAQI
4 AM4th Aug 2026185 AMAQI
4th Aug 2026186 AMAQI
4th Aug 2026247 AMAQI
4th Aug 2026218 AMAQI
4th Aug 2026219 AMAQI
4th Aug 20262210 AMAQI
4th Aug 20262611 AMAQI
11 AM4th Aug 20262112 PMAQI
4th Aug 2026271 PMAQI
4th Aug 2026282 PMAQI
4th Aug 2026253 PMAQI
4th Aug 2026214 PMAQI
4th Aug 2026215 PMAQI
4th Aug 2026236 PMAQI
4th Aug 2026237 PMAQI
7 PM4th Aug 2026228 PMAQI
4th Aug 2026239 PMAQI
4th Aug 20262310 PMAQI
4th Aug 20262611 PMAQI
11 PM3 AM
22°C15/30°C
Day time
Avg. Highest Time
7 PM
37AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
5 AM - 8 AM
30AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 7 PM (Avg. 37), while the lowest AQI was between 5 AM to 8 AM (Avg. 30).
Night time
Avg. Highest Time
8 PM - 11 PM
35AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
3 AM
32AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 11 PM (Avg. 35), while the lowest AQI was between 3 AM to 3 AM (Avg. 32).
2026 Days Vs Air Quality
Minamiozuma, Nagano, Japan
2026
82%
178
18%
38
Total number of days with different AQI categories in last 216 days in 2026 (149 days remaining)
Good
178 DaysModerate
38 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 82%
Health Risk Level:
Low
In 2026, 82% of 216 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
Minamiozuma, Nagano, Japan
AQI levels in 2026
AQI (US)
PM₂.₅
PM₁₀
CO
SO₂
NO₂
O₃
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
22AQI (US)
22AQI (US)
2nd January 2026
20AQI (US)
20AQI (US)
3rd January 2026
30AQI (US)
30AQI (US)
4th January 2026
36AQI (US)
36AQI (US)
5th January 2026
30AQI (US)
30AQI (US)
6th January 2026
24AQI (US)
24AQI (US)
7th January 2026
38AQI (US)
38AQI (US)
8th January 2026
28AQI (US)
28AQI (US)
9th January 2026
28AQI (US)
28AQI (US)
10th January 2026
44AQI (US)
44AQI (US)
11th January 2026
30AQI (US)
30AQI (US)
12th January 2026
19AQI (US)
19AQI (US)
13th January 2026
26AQI (US)
26AQI (US)
14th January 2026
12AQI (US)
12AQI (US)
15th January 2026
37AQI (US)
37AQI (US)
16th January 2026
43AQI (US)
43AQI (US)
17th January 2026
53AQI (US)
53AQI (US)
18th January 2026
32AQI (US)
32AQI (US)
19th January 2026
54AQI (US)
54AQI (US)
20th January 2026
30AQI (US)
30AQI (US)
21st January 2026
25AQI (US)
25AQI (US)
22nd January 2026
22AQI (US)
22AQI (US)
23rd January 2026
27AQI (US)
27AQI (US)
24th January 2026
38AQI (US)
38AQI (US)
25th January 2026
40AQI (US)
40AQI (US)
26th January 2026
24AQI (US)
24AQI (US)
27th January 2026
40AQI (US)
40AQI (US)
28th January 2026
26AQI (US)
26AQI (US)
29th January 2026
30AQI (US)
30AQI (US)
30th January 2026
42AQI (US)
42AQI (US)
31st January 2026
20AQI (US)
20AQI (US)
1st February 2026
32AQI (US)
32AQI (US)
2nd February 2026
42AQI (US)
42AQI (US)
3rd February 2026
29AQI (US)
29AQI (US)
4th February 2026
28AQI (US)
28AQI (US)
5th February 2026
49AQI (US)
49AQI (US)
6th February 2026
50AQI (US)
50AQI (US)
7th February 2026
12AQI (US)
12AQI (US)
8th February 2026
10AQI (US)
10AQI (US)
9th February 2026
31AQI (US)
31AQI (US)
10th February 2026
36AQI (US)
36AQI (US)
11th February 2026
40AQI (US)
40AQI (US)
12th February 2026
49AQI (US)
49AQI (US)
13th February 2026
64AQI (US)
64AQI (US)
14th February 2026
60AQI (US)
60AQI (US)
15th February 2026
56AQI (US)
56AQI (US)
16th February 2026
53AQI (US)
53AQI (US)
17th February 2026
22AQI (US)
22AQI (US)
18th February 2026
23AQI (US)
23AQI (US)
19th February 2026
15AQI (US)
15AQI (US)
20th February 2026
28AQI (US)
28AQI (US)
21st February 2026
52AQI (US)
52AQI (US)
22nd February 2026
40AQI (US)
40AQI (US)
23rd February 2026
32AQI (US)
32AQI (US)
24th February 2026
42AQI (US)
42AQI (US)
25th February 2026
22AQI (US)
22AQI (US)
26th February 2026
12AQI (US)
12AQI (US)
27th February 2026
20AQI (US)
20AQI (US)
28th February 2026
14AQI (US)
14AQI (US)
1st March 2026
20AQI (US)
20AQI (US)
2nd March 2026
68AQI (US)
68AQI (US)
3rd March 2026
43AQI (US)
43AQI (US)
4th March 2026
52AQI (US)
52AQI (US)
5th March 2026
59AQI (US)
59AQI (US)
6th March 2026
54AQI (US)
54AQI (US)
7th March 2026
45AQI (US)
45AQI (US)
8th March 2026
40AQI (US)
40AQI (US)
9th March 2026
50AQI (US)
50AQI (US)
10th March 2026
58AQI (US)
58AQI (US)
11th March 2026
58AQI (US)
58AQI (US)
12th March 2026
66AQI (US)
66AQI (US)
13th March 2026
38AQI (US)
38AQI (US)
14th March 2026
46AQI (US)
46AQI (US)
15th March 2026
59AQI (US)
59AQI (US)
16th March 2026
58AQI (US)
58AQI (US)
17th March 2026
54AQI (US)
54AQI (US)
18th March 2026
57AQI (US)
57AQI (US)
19th March 2026
24AQI (US)
24AQI (US)
20th March 2026
54AQI (US)
54AQI (US)
21st March 2026
51AQI (US)
51AQI (US)
22nd March 2026
49AQI (US)
49AQI (US)
23rd March 2026
51AQI (US)
51AQI (US)
24th March 2026
52AQI (US)
52AQI (US)
25th March 2026
62AQI (US)
62AQI (US)
26th March 2026
14AQI (US)
14AQI (US)
27th March 2026
20AQI (US)
20AQI (US)
28th March 2026
58AQI (US)
58AQI (US)
29th March 2026
60AQI (US)
60AQI (US)
30th March 2026
52AQI (US)
52AQI (US)
31st March 2026
14AQI (US)
14AQI (US)
1st April 2026
14AQI (US)
14AQI (US)
2nd April 2026
38AQI (US)
38AQI (US)
3rd April 2026
52AQI (US)
52AQI (US)
4th April 2026
41AQI (US)
41AQI (US)
5th April 2026
15AQI (US)
15AQI (US)
6th April 2026
40AQI (US)
40AQI (US)
7th April 2026
34AQI (US)
34AQI (US)
8th April 2026
26AQI (US)
26AQI (US)
9th April 2026
24AQI (US)
24AQI (US)
10th April 2026
44AQI (US)
44AQI (US)
11th April 2026
36AQI (US)
36AQI (US)
12th April 2026
30AQI (US)
30AQI (US)
13th April 2026
29AQI (US)
29AQI (US)
14th April 2026
42AQI (US)
42AQI (US)
15th April 2026
24AQI (US)
24AQI (US)
16th April 2026
25AQI (US)
25AQI (US)
17th April 2026
36AQI (US)
36AQI (US)
18th April 2026
35AQI (US)
35AQI (US)
19th April 2026
33AQI (US)
33AQI (US)
20th April 2026
34AQI (US)
34AQI (US)
21st April 2026
34AQI (US)
34AQI (US)
22nd April 2026
42AQI (US)
42AQI (US)
23rd April 2026
26AQI (US)
26AQI (US)
24th April 2026
18AQI (US)
18AQI (US)
25th April 2026
34AQI (US)
34AQI (US)
26th April 2026
50AQI (US)
50AQI (US)
27th April 2026
48AQI (US)
48AQI (US)
28th April 2026
42AQI (US)
42AQI (US)
29th April 2026
38AQI (US)
38AQI (US)
30th April 2026
29AQI (US)
29AQI (US)
1st May 2026
24AQI (US)
24AQI (US)
2nd May 2026
44AQI (US)
44AQI (US)
3rd May 2026
50AQI (US)
50AQI (US)
4th May 2026
22AQI (US)
22AQI (US)
5th May 2026
20AQI (US)
20AQI (US)
6th May 2026
26AQI (US)
26AQI (US)
7th May 2026
28AQI (US)
28AQI (US)
8th May 2026
27AQI (US)
27AQI (US)
9th May 2026
26AQI (US)
26AQI (US)
10th May 2026
28AQI (US)
28AQI (US)
11th May 2026
30AQI (US)
30AQI (US)
12th May 2026
36AQI (US)
36AQI (US)
13th May 2026
38AQI (US)
38AQI (US)
14th May 2026
32AQI (US)
32AQI (US)
15th May 2026
33AQI (US)
33AQI (US)
16th May 2026
84AQI (US)
84AQI (US)
17th May 2026
68AQI (US)
68AQI (US)
18th May 2026
53AQI (US)
53AQI (US)
19th May 2026
48AQI (US)
48AQI (US)
20th May 2026
61AQI (US)
61AQI (US)
21st May 2026
60AQI (US)
60AQI (US)
22nd May 2026
62AQI (US)
62AQI (US)
23rd May 2026
56AQI (US)
56AQI (US)
24th May 2026
60AQI (US)
60AQI (US)
25th May 2026
49AQI (US)
49AQI (US)
26th May 2026
40AQI (US)
40AQI (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
22AQI (US)
22AQI (US)
31st May 2026
28AQI (US)
28AQI (US)
1st June 2026
31AQI (US)
31AQI (US)
2nd June 2026
28AQI (US)
28AQI (US)
3rd June 2026
26AQI (US)
26AQI (US)
4th June 2026
22AQI (US)
22AQI (US)
5th June 2026
22AQI (US)
22AQI (US)
6th June 2026
22AQI (US)
22AQI (US)
7th June 2026
22AQI (US)
22AQI (US)
8th June 2026
20AQI (US)
20AQI (US)
9th June 2026
22AQI (US)
22AQI (US)
10th June 2026
22AQI (US)
22AQI (US)
11th June 2026
24AQI (US)
24AQI (US)
12th June 2026
24AQI (US)
24AQI (US)
13th June 2026
25AQI (US)
25AQI (US)
14th June 2026
24AQI (US)
24AQI (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
29AQI (US)
29AQI (US)
20th June 2026
24AQI (US)
24AQI (US)
21st June 2026
16AQI (US)
16AQI (US)
22nd June 2026
18AQI (US)
18AQI (US)
23rd June 2026
19AQI (US)
19AQI (US)
24th June 2026
20AQI (US)
20AQI (US)
25th June 2026
25AQI (US)
25AQI (US)
26th June 2026
27AQI (US)
27AQI (US)
27th June 2026
27AQI (US)
27AQI (US)
28th June 2026
26AQI (US)
26AQI (US)
29th June 2026
28AQI (US)
28AQI (US)
30th June 2026
26AQI (US)
26AQI (US)
1st July 2026
32AQI (US)
32AQI (US)
2nd July 2026
19AQI (US)
19AQI (US)
3rd July 2026
15AQI (US)
15AQI (US)
4th July 2026
25AQI (US)
25AQI (US)
5th July 2026
22AQI (US)
22AQI (US)
6th July 2026
15AQI (US)
15AQI (US)
7th July 2026
18AQI (US)
18AQI (US)
8th July 2026
26AQI (US)
26AQI (US)
9th July 2026
26AQI (US)
26AQI (US)
10th July 2026
29AQI (US)
29AQI (US)
11th July 2026
30AQI (US)
30AQI (US)
12th July 2026
28AQI (US)
28AQI (US)
13th July 2026
28AQI (US)
28AQI (US)
14th July 2026
28AQI (US)
28AQI (US)
15th July 2026
40AQI (US)
40AQI (US)
16th July 2026
56AQI (US)
56AQI (US)
17th July 2026
44AQI (US)
44AQI (US)
18th July 2026
32AQI (US)
32AQI (US)
19th July 2026
32AQI (US)
32AQI (US)
20th July 2026
34AQI (US)
34AQI (US)
21st July 2026
54AQI (US)
54AQI (US)
22nd July 2026
61AQI (US)
61AQI (US)
23rd July 2026
50AQI (US)
50AQI (US)
24th July 2026
32AQI (US)
32AQI (US)
25th July 2026
40AQI (US)
40AQI (US)
26th July 2026
33AQI (US)
33AQI (US)
27th July 2026
26AQI (US)
26AQI (US)
28th July 2026
27AQI (US)
27AQI (US)
29th July 2026
28AQI (US)
28AQI (US)
30th July 2026
26AQI (US)
26AQI (US)
31st July 2026
36AQI (US)
36AQI (US)
1st August 2026
34AQI (US)
34AQI (US)
2nd August 2026
30AQI (US)
30AQI (US)
3rd August 2026
29AQI (US)
29AQI (US)
4th August 2026
23AQI (US)
23AQI (US)
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
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
31AQI (US)
34AQI (US)
48AQI (US)
34AQI (US)
40AQI (US)
24AQI (US)
32AQI (US)
29AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202635AQI (US)
29
2
23
5
12
19
29
1
23
8
30
28
3
4
178
38
Highest AQI (US) recorded in
March48AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202542AQI (US)
29
2
28
25
6
26
4
25
6
24
6
23
8
22
9
30
24
7
15
15
24
7
295
70
Highest AQI (US) recorded in
November49AQI (US)
Lowest AQI (US) recorded in
January35AQI (US)
202435AQI (US)
31
29
27
4
21
9
31
23
7
31
29
2
26
4
31
27
3
31
337
29
Highest AQI (US) recorded in
April48AQI (US)
Lowest AQI (US) recorded in
December30AQI (US)
202338AQI (US)
28
3
27
1
22
9
23
7
27
4
29
1
22
9
30
1
30
31
26
3
26
5
321
43
Highest AQI (US) recorded in
April46AQI (US)
Lowest AQI (US) recorded in
October29AQI (US)
202239AQI (US)
30
19
2
24
7
23
7
24
7
23
7
22
3
3
27
2
28
3
25
5
30
1
278
44
Highest AQI (US) recorded in
May45AQI (US)
Lowest AQI (US) recorded in
August20AQI (US)
202133AQI (US)
30
1
25
3
29
1
21
2
30
1
26
4
27
4
30
1
30
30
1
28
2
31
337
20
Highest AQI (US) recorded in
June42AQI (US)
Lowest AQI (US) recorded in
January26AQI (US)
202032AQI (US)
13
19
2
18
25
5
30
1
18
12
1
19
29
2
27
3
29
2
227
27
1
Highest AQI (US) recorded in
August53AQI (US)
Lowest AQI (US) recorded in
July24AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
42AQI (US)Least Polluted Year Recorded
2020(Avg.)
32AQI (US)Minamiozuma's annual 2026 AQI (US) (35) shows an average percentage change of -3.2% (improved AQI (US)) compared to previous years: 2020 (32), 2021 (33), 2022 (39), 2023 (38), 2024 (35), 2025 (42).
