Atobe, Saku, 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
Atobe, Saku, Nagano, Japan
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
5th Aug 2024
67AQILowest AQI recorded on
9th Aug 2023
14AQISame Day Analysis (6th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 26 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 5th Aug - 6th Aug 2026
Atobe, Saku, Nagano, Japan
AQI
Day
Night
.
4 AM5th Aug 2026
6 PM
3 AM6th Aug 2026
Day time
Avg. Highest Time
4AM5th Aug
29AQI
Avg. Lowest Time
2PM5th Aug
21AQI
Night time
Avg. Highest Time
7PM5th Aug
27AQI
Avg. Lowest Time
11PM5th Aug
25AQI
In the last 24 hours,
Atobe's AQI reached its highest point of 29 at 4 AM during the Day, while the lowest point, 21, was recorded at 2 PM during the Day between 5th Aug and 6th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Atobe, Saku, Nagano, Japan
JulAug
08th - 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 - 05th05th - 06th06th
Day
Night
8th Jul 2026264 AMAQI
8th Jul 2026275 AMAQI
8th Jul 2026286 AMAQI
8th Jul 2026277 AMAQI
8th Jul 2026288 AMAQI
8th Jul 2026249 AMAQI
8th Jul 20262610 AMAQI
8th Jul 20262411 AMAQI
8th Jul 20262412 PMAQI
8th Jul 2026241 PMAQI
8th Jul 2026242 PMAQI
8th Jul 2026263 PMAQI
8th Jul 2026274 PMAQI
8th Jul 2026245 PMAQI
8th Jul 2026256 PMAQI
8th Jul 2026227 PMAQI
8th Jul 2026218 PMAQI
8th Jul 2026249 PMAQI
8th Jul 20262410 PMAQI
8th Jul 20262711 PMAQI
9th Jul 20263012 AMAQI
9th Jul 2026301 AMAQI
9th Jul 2026292 AMAQI
9th Jul 2026293 AMAQI
21°C16/27°C
9th Jul 2026284 AMAQI
9th Jul 2026255 AMAQI
9th Jul 2026286 AMAQI
9th Jul 2026287 AMAQI
9th Jul 2026268 AMAQI
9th Jul 2026229 AMAQI
9th Jul 20262310 AMAQI
9th Jul 20262411 AMAQI
9th Jul 20262212 PMAQI
9th Jul 2026201 PMAQI
9th Jul 2026242 PMAQI
9th Jul 2026243 PMAQI
9th Jul 2026254 PMAQI
9th Jul 2026285 PMAQI
9th Jul 2026246 PMAQI
9th Jul 2026257 PMAQI
9th Jul 2026248 PMAQI
9th Jul 2026249 PMAQI
9th Jul 20262410 PMAQI
9th Jul 20263011 PMAQI
10th Jul 20262612 AMAQI
10th Jul 2026291 AMAQI
10th Jul 2026302 AMAQI
10th Jul 2026283 AMAQI
22°C14/29°C
10th Jul 2026264 AMAQI
10th Jul 2026315 AMAQI
10th Jul 2026266 AMAQI
10th Jul 2026267 AMAQI
10th Jul 2026288 AMAQI
10th Jul 2026289 AMAQI
10th Jul 20263010 AMAQI
10th Jul 20262611 AMAQI
10th Jul 20263012 PMAQI
10th Jul 2026261 PMAQI
10th Jul 2026252 PMAQI
10th Jul 2026243 PMAQI
10th Jul 2026274 PMAQI
10th Jul 2026305 PMAQI
10th Jul 2026306 PMAQI
10th Jul 2026307 PMAQI
10th Jul 2026298 PMAQI
10th Jul 2026309 PMAQI
10th Jul 20263210 PMAQI
10th Jul 20263211 PMAQI
11th Jul 20263112 AMAQI
11th Jul 2026321 AMAQI
11th Jul 2026322 AMAQI
11th Jul 2026303 AMAQI
23°C16/31°C
11th Jul 2026304 AMAQI
11th Jul 2026305 AMAQI
11th Jul 2026326 AMAQI
11th Jul 2026307 AMAQI
11th Jul 2026328 AMAQI
11th Jul 2026359 AMAQI
11th Jul 20263210 AMAQI
11th Jul 20262911 AMAQI
11th Jul 20262812 PMAQI
11th Jul 2026231 PMAQI
11th Jul 2026252 PMAQI
11th Jul 2026223 PMAQI
11th Jul 2026264 PMAQI
11th Jul 2026305 PMAQI
11th Jul 2026336 PMAQI
11th Jul 2026337 PMAQI
11th Jul 2026298 PMAQI
11th Jul 2026309 PMAQI
11th Jul 20263110 PMAQI
11th Jul 20263111 PMAQI
12th Jul 20263012 AMAQI
12th Jul 2026301 AMAQI
12th Jul 2026322 AMAQI
12th Jul 2026313 AMAQI
23°C17/30°C
12th Jul 2026294 AMAQI
12th Jul 2026285 AMAQI
12th Jul 2026306 AMAQI
12th Jul 2026307 AMAQI
12th Jul 2026298 AMAQI
12th Jul 2026309 AMAQI
12th Jul 20263010 AMAQI
12th Jul 20262711 AMAQI
12th Jul 20262712 PMAQI
12th Jul 2026241 PMAQI
12th Jul 2026242 PMAQI
12th Jul 2026213 PMAQI
12th Jul 2026254 PMAQI
12th Jul 2026305 PMAQI
12th Jul 2026286 PMAQI
12th Jul 2026297 PMAQI
12th Jul 2026278 PMAQI
12th Jul 2026289 PMAQI
12th Jul 20262810 PMAQI
12th Jul 20262811 PMAQI
13th Jul 20262812 AMAQI
13th Jul 2026311 AMAQI
13th Jul 2026302 AMAQI
13th Jul 2026263 AMAQI
21°C16/28°C
13th Jul 2026264 AMAQI
13th Jul 2026285 AMAQI
13th Jul 2026266 AMAQI
13th Jul 2026257 AMAQI
13th Jul 2026288 AMAQI
13th Jul 2026289 AMAQI
13th Jul 20263010 AMAQI
13th Jul 20262511 AMAQI
13th Jul 20262412 PMAQI
13th Jul 2026201 PMAQI
13th Jul 2026212 PMAQI
13th Jul 2026243 PMAQI
13th Jul 2026254 PMAQI
13th Jul 2026625 PMAQI
13th Jul 2026636 PMAQI
13th Jul 2026437 PMAQI
13th Jul 2026648 PMAQI
13th Jul 2026509 PMAQI
13th Jul 20263010 PMAQI
13th Jul 20263611 PMAQI
14th Jul 20263212 AMAQI
14th Jul 2026301 AMAQI
14th Jul 2026302 AMAQI
14th Jul 2026303 AMAQI
20°C16/26°C
14th Jul 2026264 AMAQI
14th Jul 2026125 AMAQI
14th Jul 2026306 AMAQI
14th Jul 2026287 AMAQI
14th Jul 2026268 AMAQI
14th Jul 2026249 AMAQI
14th Jul 20261710 AMAQI
14th Jul 20262211 AMAQI
14th Jul 20262912 PMAQI
14th Jul 2026341 PMAQI
14th Jul 2026202 PMAQI
14th Jul 2026393 PMAQI
14th Jul 2026324 PMAQI
14th Jul 2026435 PMAQI
14th Jul 2026446 PMAQI
14th Jul 2026287 PMAQI
14th Jul 2026628 PMAQI
14th Jul 2026509 PMAQI
14th Jul 20265210 PMAQI
14th Jul 20267011 PMAQI
15th Jul 20265112 AMAQI
15th Jul 2026581 AMAQI
15th Jul 2026482 AMAQI
15th Jul 2026383 AMAQI
23°C16/32°C
15th Jul 2026544 AMAQI
15th Jul 2026485 AMAQI
15th Jul 2026446 AMAQI
15th Jul 2026447 AMAQI
15th Jul 2026528 AMAQI
15th Jul 2026519 AMAQI
15th Jul 20265010 AMAQI
15th Jul 20262611 AMAQI
15th Jul 20264212 PMAQI
15th Jul 2026761 PMAQI
15th Jul 2026422 PMAQI
15th Jul 2026543 PMAQI
15th Jul 2026574 PMAQI
15th Jul 2026585 PMAQI
15th Jul 2026556 PMAQI
15th Jul 2026607 PMAQI
15th Jul 2026558 PMAQI
15th Jul 2026569 PMAQI
15th Jul 20265510 PMAQI
15th Jul 20265811 PMAQI
16th Jul 20265512 AMAQI
16th Jul 2026541 AMAQI
16th Jul 2026552 AMAQI
16th Jul 2026573 AMAQI
24°C17/33°C
16th Jul 2026554 AMAQI
16th Jul 2026565 AMAQI
16th Jul 2026576 AMAQI
16th Jul 2026517 AMAQI
16th Jul 2026538 AMAQI
16th Jul 2026529 AMAQI
16th Jul 20265410 AMAQI
16th Jul 20265911 AMAQI
16th Jul 20267212 PMAQI
16th Jul 2026691 PMAQI
16th Jul 2026522 PMAQI
16th Jul 2026653 PMAQI
16th Jul 2026554 PMAQI
16th Jul 2026685 PMAQI
16th Jul 2026466 PMAQI
16th Jul 2026487 PMAQI
16th Jul 2026548 PMAQI
16th Jul 2026509 PMAQI
16th Jul 20264210 PMAQI
16th Jul 20265411 PMAQI
17th Jul 20265212 AMAQI
17th Jul 2026211 AMAQI
17th Jul 2026192 AMAQI
17th Jul 2026193 AMAQI
23°C17/31°C
17th Jul 2026214 AMAQI
17th Jul 2026255 AMAQI
17th Jul 2026256 AMAQI
17th Jul 2026257 AMAQI
17th Jul 2026318 AMAQI
17th Jul 2026259 AMAQI
17th Jul 20262510 AMAQI
17th Jul 20262311 AMAQI
17th Jul 20263612 PMAQI
17th Jul 2026521 PMAQI
17th Jul 2026422 PMAQI
17th Jul 2026513 PMAQI
17th Jul 2026514 PMAQI
17th Jul 2026505 PMAQI
17th Jul 2026366 PMAQI
17th Jul 2026337 PMAQI
17th Jul 2026528 PMAQI
17th Jul 2026519 PMAQI
17th Jul 20262710 PMAQI
17th Jul 20261411 PMAQI
18th Jul 20261712 AMAQI
18th Jul 2026121 AMAQI
18th Jul 202682 AMAQI
18th Jul 2026103 AMAQI
23°C19/28°C
18th Jul 2026124 AMAQI
18th Jul 2026125 AMAQI
18th Jul 2026106 AMAQI
18th Jul 2026177 AMAQI
18th Jul 2026148 AMAQI
18th Jul 202689 AMAQI
18th Jul 2026810 AMAQI
18th Jul 2026811 AMAQI
18th Jul 2026612 PMAQI
18th Jul 2026231 PMAQI
18th Jul 2026312 PMAQI
18th Jul 2026343 PMAQI
18th Jul 2026444 PMAQI
18th Jul 2026515 PMAQI
18th Jul 2026506 PMAQI
18th Jul 2026467 PMAQI
18th Jul 2026388 PMAQI
18th Jul 2026299 PMAQI
18th Jul 20263110 PMAQI
18th Jul 20262711 PMAQI
19th Jul 20262512 AMAQI
19th Jul 2026271 AMAQI
19th Jul 2026272 AMAQI
19th Jul 2026253 AMAQI
21°C19/23°C
19th Jul 2026234 AMAQI
19th Jul 2026255 AMAQI
19th Jul 2026236 AMAQI
19th Jul 2026237 AMAQI
19th Jul 2026258 AMAQI
19th Jul 2026259 AMAQI
19th Jul 20262910 AMAQI
19th Jul 20262111 AMAQI
19th Jul 20262912 PMAQI
19th Jul 2026381 PMAQI
19th Jul 2026482 PMAQI
19th Jul 2026463 PMAQI
19th Jul 2026514 PMAQI
19th Jul 2026515 PMAQI
19th Jul 2026456 PMAQI
19th Jul 2026407 PMAQI
19th Jul 2026388 PMAQI
19th Jul 2026369 PMAQI
19th Jul 20263810 PMAQI
19th Jul 20263411 PMAQI
20th Jul 20262912 AMAQI
20th Jul 2026271 AMAQI
20th Jul 2026272 AMAQI
20th Jul 2026293 AMAQI
23°C19/30°C
20th Jul 2026274 AMAQI
20th Jul 2026255 AMAQI
20th Jul 2026276 AMAQI
20th Jul 2026297 AMAQI
20th Jul 2026258 AMAQI
20th Jul 2026299 AMAQI
20th Jul 20262910 AMAQI
20th Jul 20262911 AMAQI
20th Jul 20263812 PMAQI
20th Jul 2026441 PMAQI
20th Jul 2026362 PMAQI
20th Jul 2026333 PMAQI
20th Jul 2026364 PMAQI
20th Jul 2026405 PMAQI
20th Jul 2026426 PMAQI
20th Jul 2026407 PMAQI
20th Jul 2026448 PMAQI
20th Jul 2026429 PMAQI
20th Jul 20264010 PMAQI
20th Jul 20264011 PMAQI
21st Jul 20263812 AMAQI
21st Jul 2026381 AMAQI
21st Jul 2026362 AMAQI
21st Jul 2026383 AMAQI
24°C18/31°C
21st Jul 2026334 AMAQI
21st Jul 2026445 AMAQI
21st Jul 2026426 AMAQI
21st Jul 2026577 AMAQI
21st Jul 2026578 AMAQI
21st Jul 2026589 AMAQI
21st Jul 20265710 AMAQI
21st Jul 20265111 AMAQI
21st Jul 2026551 PMAQI
21st Jul 2026662 PMAQI
21st Jul 2026643 PMAQI
21st Jul 2026644 PMAQI
21st Jul 2026625 PMAQI
21st Jul 2026626 PMAQI
21st Jul 2026907 PMAQI
21st Jul 2026628 PMAQI
21st Jul 2026589 PMAQI
21st Jul 20265710 PMAQI
21st Jul 20265711 PMAQI
22nd Jul 20265412 AMAQI
22nd Jul 2026511 AMAQI
22nd Jul 2026532 AMAQI
22nd Jul 2026543 AMAQI
24°C18/32°C
22nd Jul 2026524 AMAQI
22nd Jul 2026445 AMAQI
22nd Jul 2026446 AMAQI
22nd Jul 2026427 AMAQI
22nd Jul 2026408 AMAQI
22nd Jul 2026409 AMAQI
22nd Jul 20264610 AMAQI
22nd Jul 20265411 AMAQI
22nd Jul 20266212 PMAQI
22nd Jul 2026741 PMAQI
22nd Jul 2026722 PMAQI
22nd Jul 2026743 PMAQI
22nd Jul 2026764 PMAQI
22nd Jul 2026745 PMAQI
22nd Jul 2026746 PMAQI
22nd Jul 2026747 PMAQI
22nd Jul 2026748 PMAQI
22nd Jul 2026709 PMAQI
22nd Jul 20267010 PMAQI
22nd Jul 20267211 PMAQI
23rd Jul 20267112 AMAQI
23rd Jul 2026901 AMAQI
23rd Jul 2026782 AMAQI
23rd Jul 2026783 AMAQI
24°C17/34°C
23rd Jul 2026804 AMAQI
23rd Jul 2026735 AMAQI
23rd Jul 2026636 AMAQI
23rd Jul 2026597 AMAQI
23rd Jul 2026588 AMAQI
23rd Jul 2026589 AMAQI
23rd Jul 20266210 AMAQI
23rd Jul 20267011 AMAQI
23rd Jul 20266012 PMAQI
23rd Jul 2026481 PMAQI
23rd Jul 2026462 PMAQI
23rd Jul 2026233 PMAQI
23rd Jul 2026274 PMAQI
23rd Jul 2026295 PMAQI
23rd Jul 2026386 PMAQI
23rd Jul 2026367 PMAQI
23rd Jul 2026368 PMAQI
23rd Jul 2026509 PMAQI
23rd Jul 20267510 PMAQI
23rd Jul 20266311 PMAQI
24th Jul 20265612 AMAQI
24th Jul 2026521 AMAQI
24th Jul 2026512 AMAQI
24th Jul 2026383 AMAQI
25°C19/33°C
24th Jul 2026294 AMAQI
24th Jul 2026295 AMAQI
24th Jul 2026216 AMAQI
24th Jul 2026257 AMAQI
24th Jul 2026298 AMAQI
24th Jul 2026259 AMAQI
24th Jul 20263310 AMAQI
24th Jul 20265511 AMAQI
24th Jul 20266612 PMAQI
24th Jul 2026541 PMAQI
24th Jul 2026572 PMAQI
24th Jul 2026463 PMAQI
24th Jul 2026174 PMAQI
24th Jul 2026275 PMAQI
24th Jul 2026556 PMAQI
24th Jul 2026607 PMAQI
24th Jul 2026608 PMAQI
24th Jul 2026629 PMAQI
24th Jul 20266410 PMAQI
24th Jul 20266011 PMAQI
25th Jul 20265812 AMAQI
25th Jul 2026461 AMAQI
25th Jul 2026332 AMAQI
25th Jul 2026293 AMAQI
23°C18/32°C
25th Jul 2026274 AMAQI
25th Jul 2026275 AMAQI
25th Jul 2026256 AMAQI
25th Jul 2026237 AMAQI
25th Jul 2026278 AMAQI
25th Jul 2026279 AMAQI
25th Jul 20263110 AMAQI
25th Jul 20264011 AMAQI
25th Jul 20265412 PMAQI
25th Jul 2026571 PMAQI
25th Jul 2026532 PMAQI
25th Jul 2026623 PMAQI
25th Jul 2026564 PMAQI
25th Jul 2026545 PMAQI
25th Jul 2026566 PMAQI
25th Jul 2026317 PMAQI
25th Jul 2026258 PMAQI
25th Jul 2026279 PMAQI
25th Jul 20264210 PMAQI
25th Jul 20265111 PMAQI
26th Jul 20264212 AMAQI
26th Jul 2026441 AMAQI
26th Jul 2026382 AMAQI
26th Jul 2026383 AMAQI
23°C17/32°C
26th Jul 2026294 AMAQI
26th Jul 2026345 AMAQI
26th Jul 2026216 AMAQI
26th Jul 2026317 AMAQI
26th Jul 2026338 AMAQI
26th Jul 2026319 AMAQI
26th Jul 20263610 AMAQI
26th Jul 20263311 AMAQI
26th Jul 20264212 PMAQI
26th Jul 2026501 PMAQI
26th Jul 2026532 PMAQI
26th Jul 2026543 PMAQI
26th Jul 2026424 PMAQI
26th Jul 2026425 PMAQI
26th Jul 2026386 PMAQI
26th Jul 2026447 PMAQI
26th Jul 2026448 PMAQI
26th Jul 2026389 PMAQI
26th Jul 20263810 PMAQI
26th Jul 20263611 PMAQI
27th Jul 20262712 AMAQI
27th Jul 2026231 AMAQI
27th Jul 2026212 AMAQI
27th Jul 2026303 AMAQI
22°C17/28°C
27th Jul 2026384 AMAQI
27th Jul 2026405 AMAQI
27th Jul 2026406 AMAQI
27th Jul 2026487 AMAQI
27th Jul 2026328 AMAQI
27th Jul 2026469 AMAQI
27th Jul 20263210 AMAQI
27th Jul 20262311 AMAQI
27th Jul 20262512 PMAQI
27th Jul 2026251 PMAQI
27th Jul 2026232 PMAQI
27th Jul 2026253 PMAQI
27th Jul 2026254 PMAQI
27th Jul 2026235 PMAQI
27th Jul 2026296 PMAQI
27th Jul 2026257 PMAQI
27th Jul 2026278 PMAQI
27th Jul 2026319 PMAQI
27th Jul 20263110 PMAQI
27th Jul 20262711 PMAQI
28th Jul 20262112 AMAQI
28th Jul 2026211 AMAQI
28th Jul 2026232 AMAQI
28th Jul 2026273 AMAQI
21°C15/27°C
28th Jul 2026234 AMAQI
28th Jul 2026275 AMAQI
28th Jul 2026306 AMAQI
28th Jul 2026277 AMAQI
28th Jul 2026338 AMAQI
28th Jul 2026219 AMAQI
28th Jul 20262110 AMAQI
28th Jul 20263311 AMAQI
28th Jul 20262712 PMAQI
28th Jul 2026211 PMAQI
28th Jul 2026492 PMAQI
28th Jul 2026503 PMAQI
28th Jul 2026464 PMAQI
28th Jul 2026365 PMAQI
28th Jul 2026276 PMAQI
28th Jul 2026217 PMAQI
28th Jul 2026328 PMAQI
28th Jul 2026239 PMAQI
28th Jul 20262510 PMAQI
28th Jul 20262711 PMAQI
29th Jul 20265312 AMAQI
29th Jul 2026291 AMAQI
29th Jul 2026212 AMAQI
29th Jul 2026333 AMAQI
19°C16/24°C
29th Jul 2026294 AMAQI
29th Jul 2026215 AMAQI
29th Jul 2026236 AMAQI
29th Jul 2026217 AMAQI
29th Jul 2026238 AMAQI
29th Jul 2026219 AMAQI
29th Jul 20262110 AMAQI
29th Jul 20262111 AMAQI
29th Jul 20262512 PMAQI
29th Jul 2026291 PMAQI
29th Jul 2026292 PMAQI
29th Jul 2026333 PMAQI
29th Jul 2026274 PMAQI
29th Jul 2026315 PMAQI
29th Jul 2026336 PMAQI
29th Jul 2026337 PMAQI
29th Jul 2026408 PMAQI
29th Jul 2026409 PMAQI
29th Jul 20264010 PMAQI
29th Jul 20263611 PMAQI
30th Jul 20263112 AMAQI
30th Jul 2026311 AMAQI
30th Jul 2026322 AMAQI
30th Jul 2026213 AMAQI
20°C14/29°C
30th Jul 2026304 AMAQI
30th Jul 2026255 AMAQI
30th Jul 2026216 AMAQI
30th Jul 2026217 AMAQI
30th Jul 2026218 AMAQI
30th Jul 2026219 AMAQI
30th Jul 20262110 AMAQI
30th Jul 20262111 AMAQI
30th Jul 20262512 PMAQI
30th Jul 2026291 PMAQI
30th Jul 2026362 PMAQI
30th Jul 2026293 PMAQI
30th Jul 2026334 PMAQI
30th Jul 2026315 PMAQI
30th Jul 2026296 PMAQI
30th Jul 2026297 PMAQI
30th Jul 2026278 PMAQI
30th Jul 2026409 PMAQI
30th Jul 20264210 PMAQI
30th Jul 20262911 PMAQI
31st Jul 20262712 AMAQI
31st Jul 2026291 AMAQI
31st Jul 2026292 AMAQI
31st Jul 2026273 AMAQI
23°C15/31°C
31st Jul 2026294 AMAQI
31st Jul 2026215 AMAQI
31st Jul 2026236 AMAQI
31st Jul 2026237 AMAQI
31st Jul 2026258 AMAQI
31st Jul 2026279 AMAQI
31st Jul 20262710 AMAQI
31st Jul 20264011 AMAQI
31st Jul 20265112 PMAQI
31st Jul 2026551 PMAQI
31st Jul 2026542 PMAQI
31st Jul 2026553 PMAQI
31st Jul 2026564 PMAQI
31st Jul 2026585 PMAQI
31st Jul 2026586 PMAQI
31st Jul 2026587 PMAQI
31st Jul 2026388 PMAQI
31st Jul 2026339 PMAQI
31st Jul 20263310 PMAQI
31st Jul 20263611 PMAQI
1st Aug 20262312 AMAQI
1st Aug 2026291 AMAQI
1st Aug 2026252 AMAQI
1st Aug 2026443 AMAQI
22°C16/31°C
1st Aug 2026364 AMAQI
1st Aug 2026335 AMAQI
1st Aug 2026366 AMAQI
1st Aug 2026407 AMAQI
1st Aug 2026368 AMAQI
1st Aug 2026339 AMAQI
1st Aug 20263810 AMAQI
1st Aug 20263611 AMAQI
1st Aug 20264012 PMAQI
1st Aug 2026461 PMAQI
1st Aug 2026402 PMAQI
1st Aug 2026363 PMAQI
1st Aug 2026404 PMAQI
1st Aug 2026365 PMAQI
1st Aug 2026366 PMAQI
1st Aug 2026367 PMAQI
1st Aug 2026338 PMAQI
1st Aug 2026369 PMAQI
1st Aug 20263310 PMAQI
1st Aug 20263111 PMAQI
2nd Aug 20263112 AMAQI
2nd Aug 2026291 AMAQI
2nd Aug 2026332 AMAQI
2nd Aug 2026293 AMAQI
23°C16/31°C
2nd Aug 2026294 AMAQI
2nd Aug 2026295 AMAQI
2nd Aug 2026296 AMAQI
2nd Aug 2026317 AMAQI
2nd Aug 2026258 AMAQI
2nd Aug 2026279 AMAQI
2nd Aug 20262910 AMAQI
2nd Aug 20263311 AMAQI
2nd Aug 20263112 PMAQI
2nd Aug 2026311 PMAQI
2nd Aug 2026362 PMAQI
2nd Aug 2026363 PMAQI
2nd Aug 2026404 PMAQI
2nd Aug 2026365 PMAQI
2nd Aug 2026336 PMAQI
2nd Aug 2026337 PMAQI
2nd Aug 2026338 PMAQI
2nd Aug 2026349 PMAQI
2nd Aug 20263310 PMAQI
2nd Aug 20263111 PMAQI
3rd Aug 20263112 AMAQI
3rd Aug 2026331 AMAQI
3rd Aug 2026312 AMAQI
3rd Aug 2026273 AMAQI
23°C17/32°C
3rd Aug 2026274 AMAQI
3rd Aug 2026235 AMAQI
3rd Aug 2026256 AMAQI
3rd Aug 2026257 AMAQI
3rd Aug 2026258 AMAQI
3rd Aug 2026239 AMAQI
3rd Aug 20262510 AMAQI
3rd Aug 20262311 AMAQI
3rd Aug 20262712 PMAQI
3rd Aug 2026251 PMAQI
3rd Aug 2026292 PMAQI
3rd Aug 2026233 PMAQI
3rd Aug 2026254 PMAQI
3rd Aug 2026235 PMAQI
3rd Aug 2026256 PMAQI
3rd Aug 2026177 PMAQI
3rd Aug 2026218 PMAQI
3rd Aug 2026199 PMAQI
3rd Aug 20262310 PMAQI
3rd Aug 20262311 PMAQI
4th Aug 20261712 AMAQI
4th Aug 2026121 AMAQI
4th Aug 2026192 AMAQI
4th Aug 2026173 AMAQI
20°C19/22°C
4th Aug 2026194 AMAQI
4th Aug 2026145 AMAQI
4th Aug 2026206 AMAQI
4th Aug 2026367 AMAQI
4th Aug 2026338 AMAQI
4th Aug 2026279 AMAQI
4th Aug 20262510 AMAQI
4th Aug 20262311 AMAQI
4th Aug 20262112 PMAQI
4th Aug 2026251 PMAQI
4th Aug 2026292 PMAQI
4th Aug 2026273 PMAQI
4th Aug 2026234 PMAQI
4th Aug 2026255 PMAQI
4th Aug 2026236 PMAQI
4th Aug 2026217 PMAQI
4th Aug 2026238 PMAQI
4th Aug 2026279 PMAQI
4th Aug 20262510 PMAQI
4th Aug 20262511 PMAQI
5th Aug 20262512 AMAQI
5th Aug 2026311 AMAQI
5th Aug 2026292 AMAQI
5th Aug 2026273 AMAQI
20°C13/25°C
5th Aug 2026294 AMAQI
5th Aug 2026255 AMAQI
5th Aug 2026256 AMAQI
5th Aug 2026237 AMAQI
5th Aug 2026218 AMAQI
5th Aug 2026239 AMAQI
5th Aug 20262110 AMAQI
5th Aug 20262511 AMAQI
5th Aug 20262112 PMAQI
5th Aug 2026271 PMAQI
5th Aug 2026212 PMAQI
5th Aug 2026253 PMAQI
5th Aug 2026234 PMAQI
5th Aug 2026255 PMAQI
5th Aug 2026276 PMAQI
5th Aug 2026277 PMAQI
5th Aug 2026258 PMAQI
5th Aug 2026259 PMAQI
5th Aug 20262710 PMAQI
5th Aug 20262511 PMAQI
6th Aug 20262712 AMAQI
6th Aug 2026271 AMAQI
6th Aug 2026272 AMAQI
6th Aug 2026273 AMAQI
20°C12/28°C
6th Aug 2026274 AMAQI
4 AM6th Aug 2026295 AMAQI
6th Aug 2026276 AMAQI
6th Aug 2026257 AMAQI
6th Aug 2026278 AMAQI
6th Aug 2026239 AMAQI
6th Aug 20262710 AMAQI
6th Aug 20262711 AMAQI
11 AM6th Aug 20262512 PMAQI
6th Aug 2026251 PMAQI
6th Aug 2026272 PMAQI
6th Aug 2026293 PMAQI
6th Aug 2026274 PMAQI
6th Aug 2026255 PMAQI
6th Aug 2026236 PMAQI
6 PM6th Aug 2026257 PMAQI
6th Aug 2026258 PMAQI
6th Aug 2026239 PMAQI
6th Aug 20262510 PMAQI
6th Aug 20262511 PMAQI
11 PM3 AM
22°C17/29°C
Day time
Avg. Highest Time
5 PM - 6 PM
40AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
5 AM - 6 AM
30AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 PM to 6 PM (Avg. 40), while the lowest AQI was between 5 AM to 6 AM (Avg. 30).
Night time
Avg. Highest Time
7 PM - 11 PM
38AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
2 AM - 3 AM
32AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 11 PM (Avg. 38), while the lowest AQI was between 2 AM to 3 AM (Avg. 32).
2026 Days Vs Air Quality
Atobe, Saku, Nagano, Japan
2026
84%
183
16%
35
Total number of days with different AQI categories in last 218 days in 2026 (147 days remaining)
Good
183 DaysModerate
35 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2026, 84% of 218 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
Atobe, Saku, 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
13AQI (US)
13AQI (US)
2nd January 2026
15AQI (US)
15AQI (US)
3rd January 2026
14AQI (US)
14AQI (US)
4th January 2026
17AQI (US)
17AQI (US)
5th January 2026
23AQI (US)
23AQI (US)
6th January 2026
22AQI (US)
22AQI (US)
7th January 2026
26AQI (US)
26AQI (US)
8th January 2026
23AQI (US)
23AQI (US)
9th January 2026
18AQI (US)
18AQI (US)
10th January 2026
31AQI (US)
31AQI (US)
11th January 2026
24AQI (US)
24AQI (US)
12th January 2026
13AQI (US)
13AQI (US)
13th January 2026
22AQI (US)
22AQI (US)
14th January 2026
12AQI (US)
12AQI (US)
15th January 2026
30AQI (US)
30AQI (US)
16th January 2026
45AQI (US)
45AQI (US)
17th January 2026
52AQI (US)
52AQI (US)
18th January 2026
31AQI (US)
31AQI (US)
19th January 2026
52AQI (US)
52AQI (US)
20th January 2026
30AQI (US)
30AQI (US)
21st January 2026
12AQI (US)
12AQI (US)
22nd January 2026
19AQI (US)
19AQI (US)
23rd January 2026
26AQI (US)
26AQI (US)
24th January 2026
39AQI (US)
39AQI (US)
25th January 2026
42AQI (US)
42AQI (US)
26th January 2026
21AQI (US)
21AQI (US)
27th January 2026
41AQI (US)
41AQI (US)
28th January 2026
28AQI (US)
28AQI (US)
29th January 2026
30AQI (US)
30AQI (US)
30th January 2026
41AQI (US)
41AQI (US)
31st January 2026
17AQI (US)
17AQI (US)
1st February 2026
35AQI (US)
35AQI (US)
2nd February 2026
43AQI (US)
43AQI (US)
3rd February 2026
30AQI (US)
30AQI (US)
4th February 2026
27AQI (US)
27AQI (US)
5th February 2026
52AQI (US)
52AQI (US)
6th February 2026
54AQI (US)
54AQI (US)
7th February 2026
13AQI (US)
13AQI (US)
8th February 2026
11AQI (US)
11AQI (US)
9th February 2026
30AQI (US)
30AQI (US)
10th February 2026
35AQI (US)
35AQI (US)
11th February 2026
42AQI (US)
42AQI (US)
12th February 2026
50AQI (US)
50AQI (US)
13th February 2026
66AQI (US)
66AQI (US)
14th February 2026
57AQI (US)
57AQI (US)
15th February 2026
59AQI (US)
59AQI (US)
16th February 2026
56AQI (US)
56AQI (US)
17th February 2026
23AQI (US)
23AQI (US)
18th February 2026
25AQI (US)
25AQI (US)
19th February 2026
51AQI (US)
51AQI (US)
20th February 2026
32AQI (US)
32AQI (US)
21st February 2026
54AQI (US)
54AQI (US)
22nd February 2026
46AQI (US)
46AQI (US)
23rd February 2026
52AQI (US)
52AQI (US)
24th February 2026
51AQI (US)
51AQI (US)
25th February 2026
21AQI (US)
21AQI (US)
26th February 2026
8AQI (US)
8AQI (US)
27th February 2026
16AQI (US)
16AQI (US)
28th February 2026
18AQI (US)
18AQI (US)
1st March 2026
34AQI (US)
34AQI (US)
2nd March 2026
52AQI (US)
52AQI (US)
3rd March 2026
35AQI (US)
35AQI (US)
4th March 2026
16AQI (US)
16AQI (US)
5th March 2026
52AQI (US)
52AQI (US)
6th March 2026
41AQI (US)
41AQI (US)
7th March 2026
37AQI (US)
37AQI (US)
8th March 2026
37AQI (US)
37AQI (US)
9th March 2026
41AQI (US)
41AQI (US)
10th March 2026
51AQI (US)
51AQI (US)
11th March 2026
51AQI (US)
51AQI (US)
12th March 2026
55AQI (US)
55AQI (US)
13th March 2026
34AQI (US)
34AQI (US)
14th March 2026
40AQI (US)
40AQI (US)
15th March 2026
46AQI (US)
46AQI (US)
16th March 2026
46AQI (US)
46AQI (US)
17th March 2026
44AQI (US)
44AQI (US)
18th March 2026
57AQI (US)
57AQI (US)
19th March 2026
22AQI (US)
22AQI (US)
20th March 2026
34AQI (US)
34AQI (US)
21st March 2026
49AQI (US)
49AQI (US)
22nd March 2026
54AQI (US)
54AQI (US)
23rd March 2026
50AQI (US)
50AQI (US)
24th March 2026
47AQI (US)
47AQI (US)
25th March 2026
49AQI (US)
49AQI (US)
26th March 2026
9AQI (US)
9AQI (US)
27th March 2026
21AQI (US)
21AQI (US)
28th March 2026
59AQI (US)
59AQI (US)
29th March 2026
66AQI (US)
66AQI (US)
30th March 2026
39AQI (US)
39AQI (US)
31st March 2026
25AQI (US)
25AQI (US)
1st April 2026
11AQI (US)
11AQI (US)
2nd April 2026
16AQI (US)
16AQI (US)
3rd April 2026
46AQI (US)
46AQI (US)
4th April 2026
41AQI (US)
41AQI (US)
5th April 2026
17AQI (US)
17AQI (US)
6th April 2026
41AQI (US)
41AQI (US)
7th April 2026
35AQI (US)
35AQI (US)
8th April 2026
28AQI (US)
28AQI (US)
9th April 2026
25AQI (US)
25AQI (US)
10th April 2026
38AQI (US)
38AQI (US)
11th April 2026
29AQI (US)
29AQI (US)
12th April 2026
29AQI (US)
29AQI (US)
13th April 2026
29AQI (US)
29AQI (US)
14th April 2026
45AQI (US)
45AQI (US)
15th April 2026
24AQI (US)
24AQI (US)
16th April 2026
27AQI (US)
27AQI (US)
17th April 2026
30AQI (US)
30AQI (US)
18th April 2026
36AQI (US)
36AQI (US)
19th April 2026
33AQI (US)
33AQI (US)
20th April 2026
35AQI (US)
35AQI (US)
21st April 2026
31AQI (US)
31AQI (US)
22nd April 2026
36AQI (US)
36AQI (US)
23rd April 2026
27AQI (US)
27AQI (US)
24th April 2026
18AQI (US)
18AQI (US)
25th April 2026
26AQI (US)
26AQI (US)
26th April 2026
38AQI (US)
38AQI (US)
27th April 2026
40AQI (US)
40AQI (US)
28th April 2026
34AQI (US)
34AQI (US)
29th April 2026
31AQI (US)
31AQI (US)
30th April 2026
23AQI (US)
23AQI (US)
1st May 2026
23AQI (US)
23AQI (US)
2nd May 2026
46AQI (US)
46AQI (US)
3rd May 2026
53AQI (US)
53AQI (US)
4th May 2026
23AQI (US)
23AQI (US)
5th May 2026
23AQI (US)
23AQI (US)
6th May 2026
28AQI (US)
28AQI (US)
7th May 2026
31AQI (US)
31AQI (US)
8th May 2026
28AQI (US)
28AQI (US)
9th May 2026
24AQI (US)
24AQI (US)
10th May 2026
31AQI (US)
31AQI (US)
11th May 2026
25AQI (US)
25AQI (US)
12th May 2026
26AQI (US)
26AQI (US)
13th May 2026
37AQI (US)
37AQI (US)
14th May 2026
31AQI (US)
31AQI (US)
15th May 2026
32AQI (US)
32AQI (US)
16th May 2026
85AQI (US)
85AQI (US)
17th May 2026
69AQI (US)
69AQI (US)
18th May 2026
54AQI (US)
54AQI (US)
19th May 2026
48AQI (US)
48AQI (US)
20th May 2026
62AQI (US)
62AQI (US)
21st May 2026
60AQI (US)
60AQI (US)
22nd May 2026
62AQI (US)
62AQI (US)
23rd May 2026
55AQI (US)
55AQI (US)
24th May 2026
60AQI (US)
60AQI (US)
25th May 2026
50AQI (US)
50AQI (US)
26th May 2026
39AQI (US)
39AQI (US)
27th May 2026
20AQI (US)
20AQI (US)
28th May 2026
28AQI (US)
28AQI (US)
29th May 2026
24AQI (US)
24AQI (US)
30th May 2026
20AQI (US)
20AQI (US)
31st May 2026
33AQI (US)
33AQI (US)
1st June 2026
37AQI (US)
37AQI (US)
2nd June 2026
25AQI (US)
25AQI (US)
3rd June 2026
17AQI (US)
17AQI (US)
4th June 2026
9AQI (US)
9AQI (US)
5th June 2026
20AQI (US)
20AQI (US)
6th June 2026
20AQI (US)
20AQI (US)
7th June 2026
21AQI (US)
21AQI (US)
8th June 2026
17AQI (US)
17AQI (US)
9th June 2026
22AQI (US)
22AQI (US)
10th June 2026
22AQI (US)
22AQI (US)
11th June 2026
23AQI (US)
23AQI (US)
12th June 2026
25AQI (US)
25AQI (US)
13th June 2026
24AQI (US)
24AQI (US)
14th June 2026
23AQI (US)
23AQI (US)
15th June 2026
19AQI (US)
19AQI (US)
16th June 2026
24AQI (US)
24AQI (US)
17th June 2026
24AQI (US)
24AQI (US)
18th June 2026
24AQI (US)
24AQI (US)
19th June 2026
26AQI (US)
26AQI (US)
20th June 2026
23AQI (US)
23AQI (US)
21st June 2026
15AQI (US)
15AQI (US)
22nd June 2026
15AQI (US)
15AQI (US)
23rd June 2026
18AQI (US)
18AQI (US)
24th June 2026
21AQI (US)
21AQI (US)
25th June 2026
24AQI (US)
24AQI (US)
26th June 2026
26AQI (US)
26AQI (US)
27th June 2026
23AQI (US)
23AQI (US)
28th June 2026
23AQI (US)
23AQI (US)
29th June 2026
26AQI (US)
26AQI (US)
30th June 2026
39AQI (US)
39AQI (US)
1st July 2026
41AQI (US)
41AQI (US)
2nd July 2026
17AQI (US)
17AQI (US)
3rd July 2026
19AQI (US)
19AQI (US)
4th July 2026
25AQI (US)
25AQI (US)
5th July 2026
20AQI (US)
20AQI (US)
6th July 2026
16AQI (US)
16AQI (US)
7th July 2026
23AQI (US)
23AQI (US)
8th July 2026
26AQI (US)
26AQI (US)
9th July 2026
26AQI (US)
26AQI (US)
10th July 2026
28AQI (US)
28AQI (US)
11th July 2026
30AQI (US)
30AQI (US)
12th July 2026
28AQI (US)
28AQI (US)
13th July 2026
33AQI (US)
33AQI (US)
14th July 2026
34AQI (US)
34AQI (US)
15th July 2026
51AQI (US)
51AQI (US)
16th July 2026
56AQI (US)
56AQI (US)
17th July 2026
34AQI (US)
34AQI (US)
18th July 2026
23AQI (US)
23AQI (US)
19th July 2026
33AQI (US)
33AQI (US)
20th July 2026
34AQI (US)
34AQI (US)
21st July 2026
54AQI (US)
54AQI (US)
22nd July 2026
60AQI (US)
60AQI (US)
23rd July 2026
57AQI (US)
57AQI (US)
24th July 2026
45AQI (US)
45AQI (US)
25th July 2026
40AQI (US)
40AQI (US)
26th July 2026
39AQI (US)
39AQI (US)
27th July 2026
30AQI (US)
30AQI (US)
28th July 2026
29AQI (US)
29AQI (US)
29th July 2026
30AQI (US)
30AQI (US)
30th July 2026
28AQI (US)
28AQI (US)
31st July 2026
38AQI (US)
38AQI (US)
1st August 2026
36AQI (US)
36AQI (US)
2nd August 2026
32AQI (US)
32AQI (US)
3rd August 2026
25AQI (US)
25AQI (US)
4th August 2026
23AQI (US)
23AQI (US)
5th August 2026
25AQI (US)
25AQI (US)
6th August 2026
26AQI (US)
26AQI (US)
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
27AQI (US)
38AQI (US)
42AQI (US)
31AQI (US)
40AQI (US)
23AQI (US)
34AQI (US)
28AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202633AQI (US)
29
2
18
10
22
9
30
22
9
30
26
5
6
183
35
Highest AQI (US) recorded in
March42AQI (US)
Lowest AQI (US) recorded in
June23AQI (US)
202538AQI (US)
31
28
26
5
25
5
27
4
25
5
23
8
26
5
30
29
2
24
6
30
1
324
41
Highest AQI (US) recorded in
July48AQI (US)
Lowest AQI (US) recorded in
January32AQI (US)
202432AQI (US)
31
29
29
1
30
29
2
21
9
28
3
27
4
28
2
31
30
31
344
21
Highest AQI (US) recorded in
June44AQI (US)
Lowest AQI (US) recorded in
December26AQI (US)
202332AQI (US)
30
28
28
3
27
3
26
5
27
3
21
10
31
30
31
29
31
339
24
Highest AQI (US) recorded in
July43AQI (US)
Lowest AQI (US) recorded in
September22AQI (US)
202234AQI (US)
29
21
28
3
23
6
26
5
24
6
17
4
1
28
29
2
29
1
31
286
27
Highest AQI (US) recorded in
April43AQI (US)
Lowest AQI (US) recorded in
August16AQI (US)
202130AQI (US)
30
27
1
28
1
21
30
1
26
4
26
5
30
1
30
31
28
2
31
338
15
Highest AQI (US) recorded in
June41AQI (US)
Lowest AQI (US) recorded in
January21AQI (US)
202028AQI (US)
13
18
3
18
25
5
30
1
21
10
19
28
3
24
6
31
227
28
Highest AQI (US) recorded in
August46AQI (US)
Lowest AQI (US) recorded in
July17AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
38AQI (US)Least Polluted Year Recorded
2020(Avg.)
28AQI (US)Atobe's annual 2026 AQI (US) (33) shows an average percentage change of 3.001% (worsened AQI (US)) compared to previous years: 2020 (28), 2021 (30), 2022 (34), 2023 (32), 2024 (32), 2025 (38).
