Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Sasayama, Hyogo, 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

Sasayama, Hyogo, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
4th Aug 2025
61AQI
Lowest AQI recorded on
8th Aug 2023
18AQI

Same Day Analysis (5th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 25 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.

Day & Night AQI Trend: 4th Aug - 5th Aug 2026

Sasayama, Hyogo, Japan

AQI
Day
Night
.

5 AM4th Aug 2026

7 PM

4 AM5th Aug 2026

Day time
Avg. Highest Time
5AM4th Aug

34AQI

Avg. Lowest Time
10AM4th Aug

23AQI

Night time
Avg. Highest Time
8PM4th Aug

32AQI

Avg. Lowest Time
1AM5th Aug

22AQI

In the last 24 hours,

Sasayama's AQI reached its highest point of 34 at 5 AM during the Day, while the lowest point, 22, was recorded at 1 AM during the Night between 4th Aug and 5th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Sasayama, Hyogo, Japan

JulAug
07th - 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 - 05th05th
Day
Night
7th Jul 2026235 AMAQI
7th Jul 2026226 AMAQI
7th Jul 2026177 AMAQI
7th Jul 2026228 AMAQI
7th Jul 2026199 AMAQI
7th Jul 20262310 AMAQI
7th Jul 20261811 AMAQI
7th Jul 20262112 PMAQI
7th Jul 2026201 PMAQI
7th Jul 2026182 PMAQI
7th Jul 2026283 PMAQI
7th Jul 2026254 PMAQI
7th Jul 2026265 PMAQI
7th Jul 2026266 PMAQI
7th Jul 2026277 PMAQI
7th Jul 2026268 PMAQI
7th Jul 2026269 PMAQI
7th Jul 20262410 PMAQI
7th Jul 20262611 PMAQI
8th Jul 20263112 AMAQI
8th Jul 2026281 AMAQI
8th Jul 2026282 AMAQI
8th Jul 2026293 AMAQI
8th Jul 2026264 AMAQI

24°C20/30°C

8th Jul 2026275 AMAQI
8th Jul 2026266 AMAQI
8th Jul 2026277 AMAQI
8th Jul 2026298 AMAQI
8th Jul 2026249 AMAQI
8th Jul 20262410 AMAQI
8th Jul 20262411 AMAQI
8th Jul 20262412 PMAQI
8th Jul 2026221 PMAQI
8th Jul 2026222 PMAQI
8th Jul 2026263 PMAQI
8th Jul 2026254 PMAQI
8th Jul 2026225 PMAQI
8th Jul 2026226 PMAQI
8th Jul 2026197 PMAQI
8th Jul 2026208 PMAQI
8th Jul 2026229 PMAQI
8th Jul 20262210 PMAQI
8th Jul 20262411 PMAQI
9th Jul 20262812 AMAQI
9th Jul 2026261 AMAQI
9th Jul 2026292 AMAQI
9th Jul 2026273 AMAQI
9th Jul 2026264 AMAQI

24°C21/28°C

9th Jul 2026255 AMAQI
9th Jul 2026266 AMAQI
9th Jul 2026267 AMAQI
9th Jul 2026258 AMAQI
9th Jul 2026209 AMAQI
9th Jul 20262210 AMAQI
9th Jul 20262111 AMAQI
9th Jul 20262312 PMAQI
9th Jul 2026201 PMAQI
9th Jul 2026222 PMAQI
9th Jul 2026263 PMAQI
9th Jul 2026254 PMAQI
9th Jul 2026265 PMAQI
9th Jul 2026246 PMAQI
9th Jul 2026267 PMAQI
9th Jul 2026268 PMAQI
9th Jul 2026269 PMAQI
9th Jul 20262610 PMAQI
9th Jul 20262811 PMAQI
10th Jul 20262812 AMAQI
10th Jul 2026281 AMAQI
10th Jul 2026272 AMAQI
10th Jul 2026263 AMAQI
10th Jul 2026264 AMAQI

25°C21/30°C

10th Jul 2026275 AMAQI
10th Jul 2026266 AMAQI
10th Jul 2026257 AMAQI
10th Jul 2026248 AMAQI
10th Jul 2026279 AMAQI
10th Jul 20262810 AMAQI
10th Jul 20262311 AMAQI
10th Jul 20262612 PMAQI
10th Jul 2026241 PMAQI
10th Jul 2026222 PMAQI
10th Jul 2026203 PMAQI
10th Jul 2026224 PMAQI
10th Jul 2026285 PMAQI
10th Jul 2026276 PMAQI
10th Jul 2026287 PMAQI
10th Jul 2026278 PMAQI
10th Jul 2026289 PMAQI
10th Jul 20263010 PMAQI
10th Jul 20263011 PMAQI
11th Jul 20263112 AMAQI
11th Jul 2026301 AMAQI
11th Jul 2026312 AMAQI
11th Jul 2026293 AMAQI
11th Jul 2026264 AMAQI

26°C21/31°C

11th Jul 2026295 AMAQI
11th Jul 2026306 AMAQI
11th Jul 2026297 AMAQI
11th Jul 2026318 AMAQI
11th Jul 2026309 AMAQI
11th Jul 20263010 AMAQI
11th Jul 20262511 AMAQI
11th Jul 20262612 PMAQI
11th Jul 2026231 PMAQI
11th Jul 2026222 PMAQI
11th Jul 2026223 PMAQI
11th Jul 2026264 PMAQI
11th Jul 2026285 PMAQI
11th Jul 2026286 PMAQI
11th Jul 2026297 PMAQI
11th Jul 2026268 PMAQI
11th Jul 2026289 PMAQI
11th Jul 20262810 PMAQI
11th Jul 20263011 PMAQI
12th Jul 20262812 AMAQI
12th Jul 2026301 AMAQI
12th Jul 2026302 AMAQI
12th Jul 2026293 AMAQI
12th Jul 2026254 AMAQI

26°C22/30°C

12th Jul 2026285 AMAQI
12th Jul 2026286 AMAQI
12th Jul 2026307 AMAQI
12th Jul 2026288 AMAQI
12th Jul 2026289 AMAQI
12th Jul 20262910 AMAQI
12th Jul 20262411 AMAQI
12th Jul 20262612 PMAQI
12th Jul 2026221 PMAQI
12th Jul 2026222 PMAQI
12th Jul 2026223 PMAQI
12th Jul 2026244 PMAQI
12th Jul 2026305 PMAQI
12th Jul 2026286 PMAQI
12th Jul 2026287 PMAQI
12th Jul 2026308 PMAQI
12th Jul 2026279 PMAQI
12th Jul 20264410 PMAQI
12th Jul 20264411 PMAQI
13th Jul 20264212 AMAQI
13th Jul 2026431 AMAQI
13th Jul 2026432 AMAQI
13th Jul 2026423 AMAQI
13th Jul 2026554 AMAQI

27°C23/32°C

13th Jul 2026525 AMAQI
13th Jul 2026506 AMAQI
13th Jul 2026487 AMAQI
13th Jul 2026528 AMAQI
13th Jul 2026469 AMAQI
13th Jul 20265210 AMAQI
13th Jul 20265711 AMAQI
13th Jul 20266212 PMAQI
13th Jul 2026601 PMAQI
13th Jul 2026622 PMAQI
13th Jul 2026673 PMAQI
13th Jul 2026664 PMAQI
13th Jul 2026645 PMAQI
13th Jul 2026626 PMAQI
13th Jul 2026537 PMAQI
13th Jul 2026468 PMAQI
13th Jul 2026489 PMAQI
13th Jul 20264810 PMAQI
13th Jul 20263811 PMAQI
14th Jul 20263812 AMAQI
14th Jul 2026321 AMAQI
14th Jul 2026292 AMAQI
14th Jul 2026273 AMAQI
14th Jul 2026274 AMAQI

28°C23/34°C

14th Jul 2026285 AMAQI
14th Jul 2026256 AMAQI
14th Jul 2026267 AMAQI
14th Jul 2026258 AMAQI
14th Jul 2026269 AMAQI
14th Jul 20263410 AMAQI
14th Jul 20264111 AMAQI
14th Jul 20265212 PMAQI
14th Jul 2026441 PMAQI
14th Jul 2026442 PMAQI
14th Jul 2026493 PMAQI
14th Jul 2026744 PMAQI
14th Jul 2026735 PMAQI
14th Jul 2026666 PMAQI
14th Jul 2026647 PMAQI
14th Jul 2026648 PMAQI
14th Jul 2026589 PMAQI
14th Jul 20265410 PMAQI
14th Jul 20265811 PMAQI
15th Jul 20265612 AMAQI
15th Jul 2026521 AMAQI
15th Jul 2026492 AMAQI
15th Jul 2026483 AMAQI
15th Jul 2026454 AMAQI

28°C22/34°C

15th Jul 2026435 AMAQI
15th Jul 2026416 AMAQI
15th Jul 2026407 AMAQI
15th Jul 2026368 AMAQI
15th Jul 2026429 AMAQI
15th Jul 20264510 AMAQI
15th Jul 20264811 AMAQI
15th Jul 20264312 PMAQI
15th Jul 2026411 PMAQI
15th Jul 2026392 PMAQI
15th Jul 2026383 PMAQI
15th Jul 2026324 PMAQI
15th Jul 2026305 PMAQI
15th Jul 2026286 PMAQI
15th Jul 2026297 PMAQI
15th Jul 2026298 PMAQI
15th Jul 2026349 PMAQI
15th Jul 20264810 PMAQI
15th Jul 20265511 PMAQI
16th Jul 20266212 AMAQI
16th Jul 2026581 AMAQI
16th Jul 2026632 AMAQI
16th Jul 2026583 AMAQI
16th Jul 2026554 AMAQI

28°C23/33°C

16th Jul 2026545 AMAQI
16th Jul 2026546 AMAQI
16th Jul 2026527 AMAQI
16th Jul 2026508 AMAQI
16th Jul 2026529 AMAQI
16th Jul 20265410 AMAQI
16th Jul 20265211 AMAQI
16th Jul 20265212 PMAQI
16th Jul 2026541 PMAQI
16th Jul 2026552 PMAQI
16th Jul 2026603 PMAQI
16th Jul 2026584 PMAQI
16th Jul 2026605 PMAQI
16th Jul 2026486 PMAQI
16th Jul 2026457 PMAQI
16th Jul 2026418 PMAQI
16th Jul 2026309 PMAQI
16th Jul 20263610 PMAQI
16th Jul 20263611 PMAQI
17th Jul 20263112 AMAQI
17th Jul 2026341 AMAQI
17th Jul 2026312 AMAQI
17th Jul 2026303 AMAQI
17th Jul 2026264 AMAQI

28°C23/34°C

17th Jul 2026285 AMAQI
17th Jul 2026266 AMAQI
17th Jul 2026287 AMAQI
17th Jul 2026268 AMAQI
17th Jul 2026279 AMAQI
17th Jul 20263110 AMAQI
17th Jul 20262911 AMAQI
17th Jul 20263412 PMAQI
17th Jul 2026321 PMAQI
17th Jul 2026262 PMAQI
17th Jul 2026263 PMAQI
17th Jul 2026584 PMAQI
17th Jul 2026585 PMAQI
17th Jul 2026566 PMAQI
17th Jul 2026547 PMAQI
17th Jul 2026568 PMAQI
17th Jul 2026589 PMAQI
17th Jul 20265710 PMAQI
17th Jul 20265411 PMAQI
18th Jul 20265212 AMAQI
18th Jul 2026561 AMAQI
18th Jul 2026512 AMAQI
18th Jul 2026493 AMAQI
18th Jul 2026434 AMAQI

28°C22/35°C

18th Jul 2026445 AMAQI
18th Jul 2026506 AMAQI
18th Jul 2026517 AMAQI
18th Jul 2026488 AMAQI
18th Jul 2026549 AMAQI
18th Jul 20266110 AMAQI
18th Jul 20266611 AMAQI
18th Jul 20265612 PMAQI
18th Jul 2026621 PMAQI
18th Jul 2026632 PMAQI
18th Jul 2026643 PMAQI
18th Jul 2026644 PMAQI
18th Jul 2026645 PMAQI
18th Jul 2026646 PMAQI
18th Jul 2026597 PMAQI
18th Jul 2026608 PMAQI
18th Jul 2026569 PMAQI
18th Jul 20265710 PMAQI
18th Jul 20265611 PMAQI
19th Jul 20265412 AMAQI
19th Jul 2026521 AMAQI
19th Jul 2026532 AMAQI
19th Jul 2026543 AMAQI
19th Jul 2026544 AMAQI

28°C25/33°C

19th Jul 2026565 AMAQI
19th Jul 2026556 AMAQI
19th Jul 2026557 AMAQI
19th Jul 2026548 AMAQI
19th Jul 2026569 AMAQI
19th Jul 20265810 AMAQI
19th Jul 20265611 AMAQI
19th Jul 20265612 PMAQI
19th Jul 2026601 PMAQI
19th Jul 2026602 PMAQI
19th Jul 2026593 PMAQI
19th Jul 2026584 PMAQI
19th Jul 2026605 PMAQI
19th Jul 2026556 PMAQI
19th Jul 2026567 PMAQI
19th Jul 2026548 PMAQI
19th Jul 2026559 PMAQI
19th Jul 20265610 PMAQI
19th Jul 20265211 PMAQI
20th Jul 20264612 AMAQI
20th Jul 2026481 AMAQI
20th Jul 2026452 AMAQI
20th Jul 2026423 AMAQI
20th Jul 2026404 AMAQI

28°C24/33°C

20th Jul 2026435 AMAQI
20th Jul 2026406 AMAQI
20th Jul 2026347 AMAQI
20th Jul 2026388 AMAQI
20th Jul 2026419 AMAQI
20th Jul 20265010 AMAQI
20th Jul 20265211 AMAQI
20th Jul 20265212 PMAQI
20th Jul 2026541 PMAQI
20th Jul 2026522 PMAQI
20th Jul 2026523 PMAQI
20th Jul 2026524 PMAQI
20th Jul 2026515 PMAQI
20th Jul 2026606 PMAQI
20th Jul 2026687 PMAQI
20th Jul 2026698 PMAQI
20th Jul 2026689 PMAQI
20th Jul 20266310 PMAQI
20th Jul 20265811 PMAQI
21st Jul 20265812 AMAQI
21st Jul 2026611 AMAQI
21st Jul 2026612 AMAQI
21st Jul 2026623 AMAQI
21st Jul 2026664 AMAQI

28°C25/34°C

21st Jul 2026685 AMAQI
21st Jul 2026686 AMAQI
21st Jul 2026707 AMAQI
21st Jul 2026708 AMAQI
21st Jul 2026709 AMAQI
21st Jul 20267010 AMAQI
21st Jul 20267611 AMAQI
21st Jul 2026781 PMAQI
21st Jul 2026782 PMAQI
21st Jul 2026793 PMAQI
21st Jul 2026824 PMAQI
21st Jul 2026835 PMAQI
21st Jul 2026856 PMAQI
21st Jul 20261087 PMAQI
21st Jul 2026888 PMAQI
21st Jul 2026889 PMAQI
21st Jul 20268810 PMAQI
21st Jul 20268411 PMAQI
22nd Jul 20268412 AMAQI
22nd Jul 2026801 AMAQI
22nd Jul 2026802 AMAQI
22nd Jul 2026803 AMAQI
22nd Jul 2026784 AMAQI

29°C24/36°C

22nd Jul 2026725 AMAQI
22nd Jul 2026816 AMAQI
22nd Jul 2026807 AMAQI
22nd Jul 2026768 AMAQI
22nd Jul 2026779 AMAQI
22nd Jul 20268310 AMAQI
22nd Jul 20268211 AMAQI
22nd Jul 20268512 PMAQI
22nd Jul 2026801 PMAQI
22nd Jul 2026842 PMAQI
22nd Jul 2026863 PMAQI
22nd Jul 2026964 PMAQI
22nd Jul 2026935 PMAQI
22nd Jul 2026926 PMAQI
22nd Jul 2026927 PMAQI
22nd Jul 2026928 PMAQI
22nd Jul 2026909 PMAQI
22nd Jul 20269010 PMAQI
22nd Jul 20268211 PMAQI
23rd Jul 20267512 AMAQI
23rd Jul 2026701 AMAQI
23rd Jul 2026682 AMAQI
23rd Jul 2026663 AMAQI
23rd Jul 2026644 AMAQI

29°C24/36°C

23rd Jul 2026615 AMAQI
23rd Jul 2026596 AMAQI
23rd Jul 2026567 AMAQI
23rd Jul 2026548 AMAQI
23rd Jul 2026569 AMAQI
23rd Jul 20265510 AMAQI
23rd Jul 20265211 AMAQI
23rd Jul 20265212 PMAQI
23rd Jul 2026621 PMAQI
23rd Jul 2026642 PMAQI
23rd Jul 2026663 PMAQI
23rd Jul 2026684 PMAQI
23rd Jul 2026615 PMAQI
23rd Jul 2026686 PMAQI
23rd Jul 2026687 PMAQI
23rd Jul 2026538 PMAQI
23rd Jul 2026479 PMAQI
23rd Jul 20263810 PMAQI
23rd Jul 20263411 PMAQI
24th Jul 20263412 AMAQI
24th Jul 2026311 AMAQI
24th Jul 2026322 AMAQI
24th Jul 2026313 AMAQI
24th Jul 2026324 AMAQI

30°C24/38°C

24th Jul 2026295 AMAQI
24th Jul 2026306 AMAQI
24th Jul 2026307 AMAQI
24th Jul 2026298 AMAQI
24th Jul 2026299 AMAQI
24th Jul 20263010 AMAQI
24th Jul 20263611 AMAQI
24th Jul 20264612 PMAQI
24th Jul 2026501 PMAQI
24th Jul 2026492 PMAQI
24th Jul 2026523 PMAQI
24th Jul 2026524 PMAQI
24th Jul 2026555 PMAQI
24th Jul 2026526 PMAQI
24th Jul 2026557 PMAQI
24th Jul 2026568 PMAQI
24th Jul 2026529 PMAQI
24th Jul 20264510 PMAQI
24th Jul 20264611 PMAQI
25th Jul 20264812 AMAQI
25th Jul 2026491 AMAQI
25th Jul 2026482 AMAQI
25th Jul 2026483 AMAQI
25th Jul 2026494 AMAQI

29°C23/37°C

25th Jul 2026485 AMAQI
25th Jul 2026496 AMAQI
25th Jul 2026507 AMAQI
25th Jul 2026498 AMAQI
25th Jul 2026509 AMAQI
25th Jul 20265210 AMAQI
25th Jul 20265411 AMAQI
25th Jul 20265412 PMAQI
25th Jul 2026541 PMAQI
25th Jul 2026522 PMAQI
25th Jul 2026553 PMAQI
25th Jul 2026554 PMAQI
25th Jul 2026565 PMAQI
25th Jul 2026566 PMAQI
25th Jul 2026577 PMAQI
25th Jul 2026538 PMAQI
25th Jul 2026499 PMAQI
25th Jul 20264610 PMAQI
25th Jul 20264711 PMAQI
26th Jul 20264512 AMAQI
26th Jul 2026451 AMAQI
26th Jul 2026432 AMAQI
26th Jul 2026443 AMAQI
26th Jul 2026414 AMAQI

28°C23/36°C

26th Jul 2026405 AMAQI
26th Jul 2026416 AMAQI
26th Jul 2026417 AMAQI
26th Jul 2026418 AMAQI
26th Jul 2026429 AMAQI
26th Jul 20264810 AMAQI
26th Jul 20264611 AMAQI
26th Jul 20265412 PMAQI
26th Jul 2026541 PMAQI
26th Jul 2026542 PMAQI
26th Jul 2026573 PMAQI
26th Jul 2026594 PMAQI
26th Jul 2026515 PMAQI
26th Jul 2026566 PMAQI
26th Jul 2026467 PMAQI
26th Jul 2026398 PMAQI
26th Jul 2026389 PMAQI
26th Jul 20263210 PMAQI
26th Jul 20263011 PMAQI
27th Jul 20263112 AMAQI
27th Jul 2026311 AMAQI
27th Jul 2026302 AMAQI
27th Jul 2026293 AMAQI
27th Jul 2026314 AMAQI

28°C23/37°C

27th Jul 2026305 AMAQI
27th Jul 2026336 AMAQI
27th Jul 2026347 AMAQI
27th Jul 2026318 AMAQI
27th Jul 2026349 AMAQI
27th Jul 20263610 AMAQI
27th Jul 20263011 AMAQI
27th Jul 20262612 PMAQI
27th Jul 2026271 PMAQI
27th Jul 2026282 PMAQI
27th Jul 2026283 PMAQI
27th Jul 2026304 PMAQI
27th Jul 2026325 PMAQI
27th Jul 2026326 PMAQI
27th Jul 2026327 PMAQI
27th Jul 2026368 PMAQI
27th Jul 2026319 PMAQI
27th Jul 20263210 PMAQI
27th Jul 20262711 PMAQI
28th Jul 20262612 AMAQI
28th Jul 2026261 AMAQI
28th Jul 2026262 AMAQI
28th Jul 2026273 AMAQI
28th Jul 2026284 AMAQI

27°C23/34°C

28th Jul 2026275 AMAQI
28th Jul 2026276 AMAQI
28th Jul 2026307 AMAQI
28th Jul 2026298 AMAQI
28th Jul 2026329 AMAQI
28th Jul 20264010 AMAQI
28th Jul 20265011 AMAQI
28th Jul 20265812 PMAQI
28th Jul 2026581 PMAQI
28th Jul 2026562 PMAQI
28th Jul 2026513 PMAQI
28th Jul 2026544 PMAQI
28th Jul 2026505 PMAQI
28th Jul 2026466 PMAQI
28th Jul 2026377 PMAQI
28th Jul 2026368 PMAQI
28th Jul 2026549 PMAQI
28th Jul 20263910 PMAQI
28th Jul 20264211 PMAQI
29th Jul 20263712 AMAQI
29th Jul 2026361 AMAQI
29th Jul 2026382 AMAQI
29th Jul 2026303 AMAQI
29th Jul 2026324 AMAQI

26°C22/32°C

29th Jul 2026345 AMAQI
29th Jul 2026446 AMAQI
29th Jul 2026287 AMAQI
29th Jul 2026348 AMAQI
29th Jul 2026289 AMAQI
29th Jul 20263410 AMAQI
29th Jul 20264811 AMAQI
29th Jul 20263212 PMAQI
29th Jul 2026451 PMAQI
29th Jul 2026502 PMAQI
29th Jul 2026423 PMAQI
29th Jul 2026434 PMAQI
29th Jul 2026445 PMAQI
29th Jul 2026466 PMAQI
29th Jul 2026527 PMAQI
29th Jul 2026528 PMAQI
29th Jul 2026479 PMAQI
29th Jul 20264610 PMAQI
29th Jul 20264411 PMAQI
30th Jul 20264112 AMAQI
30th Jul 2026421 AMAQI
30th Jul 2026442 AMAQI
30th Jul 2026483 AMAQI
30th Jul 2026484 AMAQI

26°C21/31°C

30th Jul 2026505 AMAQI
30th Jul 2026496 AMAQI
30th Jul 2026507 AMAQI
30th Jul 2026488 AMAQI
30th Jul 2026489 AMAQI
30th Jul 20265210 AMAQI
30th Jul 20265411 AMAQI
30th Jul 20265612 PMAQI
30th Jul 2026521 PMAQI
30th Jul 2026502 PMAQI
30th Jul 2026523 PMAQI
30th Jul 2026504 PMAQI
30th Jul 2026485 PMAQI
30th Jul 2026516 PMAQI
30th Jul 2026427 PMAQI
30th Jul 2026478 PMAQI
30th Jul 2026459 PMAQI
30th Jul 20265010 PMAQI
30th Jul 20265011 PMAQI
31st Jul 20265012 AMAQI
31st Jul 2026481 AMAQI
31st Jul 2026382 AMAQI
31st Jul 2026393 AMAQI
31st Jul 2026414 AMAQI

29°C24/36°C

31st Jul 2026485 AMAQI
31st Jul 2026486 AMAQI
31st Jul 2026537 AMAQI
31st Jul 2026548 AMAQI
31st Jul 2026549 AMAQI
31st Jul 20264210 AMAQI
31st Jul 20264711 AMAQI
31st Jul 20265012 PMAQI
31st Jul 2026441 PMAQI
31st Jul 2026462 PMAQI
31st Jul 2026513 PMAQI
31st Jul 2026504 PMAQI
31st Jul 2026505 PMAQI
31st Jul 2026456 PMAQI
31st Jul 2026447 PMAQI
31st Jul 2026488 PMAQI
31st Jul 2026429 PMAQI
31st Jul 20264410 PMAQI
31st Jul 20264611 PMAQI
1st Aug 20264312 AMAQI
1st Aug 2026421 AMAQI
1st Aug 2026422 AMAQI
1st Aug 2026403 AMAQI
1st Aug 2026384 AMAQI

28°C22/35°C

1st Aug 2026465 AMAQI
1st Aug 2026426 AMAQI
1st Aug 2026487 AMAQI
1st Aug 2026448 AMAQI
1st Aug 2026419 AMAQI
1st Aug 20264110 AMAQI
1st Aug 20264511 AMAQI
1st Aug 20265112 PMAQI
1st Aug 2026441 PMAQI
1st Aug 2026402 PMAQI
1st Aug 2026413 PMAQI
1st Aug 2026454 PMAQI
1st Aug 2026535 PMAQI
1st Aug 2026506 PMAQI
1st Aug 2026367 PMAQI
1st Aug 2026438 PMAQI
1st Aug 2026539 PMAQI
1st Aug 20264410 PMAQI
1st Aug 20264511 PMAQI
2nd Aug 20265012 AMAQI
2nd Aug 2026461 AMAQI
2nd Aug 2026422 AMAQI
2nd Aug 2026503 AMAQI
2nd Aug 2026404 AMAQI

29°C22/37°C

2nd Aug 2026445 AMAQI
2nd Aug 2026486 AMAQI
2nd Aug 2026477 AMAQI
2nd Aug 2026438 AMAQI
2nd Aug 2026489 AMAQI
2nd Aug 20264910 AMAQI
2nd Aug 20265411 AMAQI
2nd Aug 20265112 PMAQI
2nd Aug 2026491 PMAQI
2nd Aug 2026402 PMAQI
2nd Aug 2026463 PMAQI
2nd Aug 2026514 PMAQI
2nd Aug 2026445 PMAQI
2nd Aug 2026436 PMAQI
2nd Aug 2026467 PMAQI
2nd Aug 2026388 PMAQI
2nd Aug 2026429 PMAQI
2nd Aug 20264910 PMAQI
2nd Aug 20265211 PMAQI
3rd Aug 20264112 AMAQI
3rd Aug 2026401 AMAQI
3rd Aug 2026322 AMAQI
3rd Aug 2026413 AMAQI
3rd Aug 2026444 AMAQI

29°C24/35°C

3rd Aug 2026435 AMAQI
3rd Aug 2026426 AMAQI
3rd Aug 2026477 AMAQI
3rd Aug 2026418 AMAQI
3rd Aug 2026449 AMAQI
3rd Aug 20264810 AMAQI
3rd Aug 20265411 AMAQI
3rd Aug 20265512 PMAQI
3rd Aug 2026541 PMAQI
3rd Aug 2026632 PMAQI
3rd Aug 2026573 PMAQI
3rd Aug 2026554 PMAQI
3rd Aug 2026545 PMAQI
3rd Aug 2026536 PMAQI
3rd Aug 2026447 PMAQI
3rd Aug 2026438 PMAQI
3rd Aug 2026449 PMAQI
3rd Aug 20264010 PMAQI
3rd Aug 20265111 PMAQI
4th Aug 20264012 AMAQI
4th Aug 2026361 AMAQI
4th Aug 2026372 AMAQI
4th Aug 2026323 AMAQI
4th Aug 2026254 AMAQI

28°C23/36°C

4th Aug 2026345 AMAQI
4th Aug 2026256 AMAQI
4th Aug 2026287 AMAQI
4th Aug 2026328 AMAQI
4th Aug 2026249 AMAQI
4th Aug 20262310 AMAQI
4th Aug 20262811 AMAQI
4th Aug 20262912 PMAQI
4th Aug 2026241 PMAQI
4th Aug 2026252 PMAQI
4th Aug 2026273 PMAQI
4th Aug 2026284 PMAQI
4th Aug 2026305 PMAQI
4th Aug 2026316 PMAQI
4th Aug 2026297 PMAQI
4th Aug 2026328 PMAQI
4th Aug 2026309 PMAQI
4th Aug 20262610 PMAQI
4th Aug 20262511 PMAQI
5th Aug 20262212 AMAQI
5th Aug 2026221 AMAQI
5th Aug 2026232 AMAQI
5th Aug 2026233 AMAQI
5th Aug 2026264 AMAQI

28°C24/32°C

5th Aug 2026215 AMAQI
5 AM
5th Aug 2026236 AMAQI
5th Aug 2026237 AMAQI
5th Aug 2026228 AMAQI
5th Aug 2026239 AMAQI
5th Aug 20262310 AMAQI
5th Aug 20262511 AMAQI
5th Aug 20262512 PMAQI
12 PM
5th Aug 2026241 PMAQI
5th Aug 2026232 PMAQI
5th Aug 2026253 PMAQI
5th Aug 2026234 PMAQI
5th Aug 2026285 PMAQI
5th Aug 2026256 PMAQI
5th Aug 2026267 PMAQI
7 PM
5th Aug 2026258 PMAQI
5th Aug 2026289 PMAQI
5th Aug 20263810 PMAQI
5th Aug 20264011 PMAQI
12 AM
4 AM

28°C22/35°C

Day time
Avg. Highest Time
4 PM - 7 PM

48AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
5 AM - 9 AM

40AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 PM to 7 PM (Avg. 48), while the lowest AQI was between 5 AM to 9 AM (Avg. 40).
Night time
Avg. Highest Time
8 PM - 11 PM

45AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
12 AM - 4 AM

40AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 11 PM (Avg. 45), while the lowest AQI was between 12 AM to 4 AM (Avg. 40).

2026 Days Vs Air Quality

Sasayama, Hyogo, Japan

2026

76%

164

24%

53

Total number of days with different AQI categories in last 218 days in 2026 (147 days remaining)

Good
164 Days
Moderate
53 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 76%

Health Risk Level:

Low

In 2026, 76% 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

Sasayama, Hyogo, 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
23AQI (US)
2nd January 2026
22AQI (US)
3rd January 2026
16AQI (US)
4th January 2026
32AQI (US)
5th January 2026
48AQI (US)
6th January 2026
22AQI (US)
7th January 2026
40AQI (US)
8th January 2026
38AQI (US)
9th January 2026
22AQI (US)
10th January 2026
37AQI (US)
11th January 2026
36AQI (US)
12th January 2026
34AQI (US)
13th January 2026
37AQI (US)
14th January 2026
29AQI (US)
15th January 2026
45AQI (US)
16th January 2026
60AQI (US)
17th January 2026
66AQI (US)
18th January 2026
47AQI (US)
19th January 2026
51AQI (US)
20th January 2026
32AQI (US)
21st January 2026
17AQI (US)
22nd January 2026
26AQI (US)
23rd January 2026
50AQI (US)
24th January 2026
48AQI (US)
25th January 2026
29AQI (US)
26th January 2026
25AQI (US)
27th January 2026
51AQI (US)
28th January 2026
26AQI (US)
29th January 2026
20AQI (US)
30th January 2026
36AQI (US)
31st January 2026
34AQI (US)
1st February 2026
42AQI (US)
2nd February 2026
50AQI (US)
3rd February 2026
29AQI (US)
4th February 2026
42AQI (US)
5th February 2026
56AQI (US)
6th February 2026
49AQI (US)
7th February 2026
12AQI (US)
8th February 2026
14AQI (US)
9th February 2026
40AQI (US)
10th February 2026
50AQI (US)
11th February 2026
46AQI (US)
12th February 2026
58AQI (US)
13th February 2026
55AQI (US)
14th February 2026
62AQI (US)
15th February 2026
48AQI (US)
16th February 2026
54AQI (US)
17th February 2026
16AQI (US)
18th February 2026
26AQI (US)
19th February 2026
36AQI (US)
20th February 2026
33AQI (US)
21st February 2026
57AQI (US)
22nd February 2026
39AQI (US)
23rd February 2026
48AQI (US)
24th February 2026
44AQI (US)
25th February 2026
11AQI (US)
26th February 2026
13AQI (US)
27th February 2026
46AQI (US)
28th February 2026
48AQI (US)
1st March 2026
52AQI (US)
2nd March 2026
81AQI (US)
3rd March 2026
46AQI (US)
4th March 2026
61AQI (US)
5th March 2026
57AQI (US)
6th March 2026
54AQI (US)
7th March 2026
48AQI (US)
8th March 2026
48AQI (US)
9th March 2026
52AQI (US)
10th March 2026
58AQI (US)
11th March 2026
56AQI (US)
12th March 2026
68AQI (US)
13th March 2026
48AQI (US)
14th March 2026
46AQI (US)
15th March 2026
62AQI (US)
16th March 2026
62AQI (US)
17th March 2026
53AQI (US)
18th March 2026
58AQI (US)
19th March 2026
52AQI (US)
20th March 2026
54AQI (US)
21st March 2026
56AQI (US)
22nd March 2026
54AQI (US)
23rd March 2026
50AQI (US)
24th March 2026
70AQI (US)
25th March 2026
64AQI (US)
26th March 2026
17AQI (US)
27th March 2026
36AQI (US)
28th March 2026
68AQI (US)
29th March 2026
78AQI (US)
30th March 2026
57AQI (US)
31st March 2026
20AQI (US)
1st April 2026
28AQI (US)
2nd April 2026
50AQI (US)
3rd April 2026
52AQI (US)
4th April 2026
44AQI (US)
5th April 2026
24AQI (US)
6th April 2026
38AQI (US)
7th April 2026
38AQI (US)
8th April 2026
34AQI (US)
9th April 2026
41AQI (US)
10th April 2026
46AQI (US)
11th April 2026
37AQI (US)
12th April 2026
38AQI (US)
13th April 2026
38AQI (US)
14th April 2026
44AQI (US)
15th April 2026
31AQI (US)
16th April 2026
36AQI (US)
17th April 2026
42AQI (US)
18th April 2026
32AQI (US)
19th April 2026
38AQI (US)
20th April 2026
38AQI (US)
21st April 2026
41AQI (US)
22nd April 2026
46AQI (US)
23rd April 2026
32AQI (US)
24th April 2026
30AQI (US)
25th April 2026
44AQI (US)
26th April 2026
43AQI (US)
27th April 2026
38AQI (US)
28th April 2026
47AQI (US)
29th April 2026
42AQI (US)
30th April 2026
17AQI (US)
1st May 2026
40AQI (US)
2nd May 2026
53AQI (US)
3rd May 2026
50AQI (US)
4th May 2026
20AQI (US)
5th May 2026
22AQI (US)
6th May 2026
28AQI (US)
7th May 2026
33AQI (US)
8th May 2026
28AQI (US)
9th May 2026
29AQI (US)
10th May 2026
32AQI (US)
11th May 2026
34AQI (US)
12th May 2026
40AQI (US)
13th May 2026
45AQI (US)
14th May 2026
42AQI (US)
15th May 2026
40AQI (US)
16th May 2026
80AQI (US)
17th May 2026
64AQI (US)
18th May 2026
53AQI (US)
19th May 2026
46AQI (US)
20th May 2026
60AQI (US)
21st May 2026
64AQI (US)
22nd May 2026
68AQI (US)
23rd May 2026
60AQI (US)
24th May 2026
62AQI (US)
25th May 2026
54AQI (US)
26th May 2026
42AQI (US)
27th May 2026
24AQI (US)
28th May 2026
24AQI (US)
29th May 2026
24AQI (US)
30th May 2026
25AQI (US)
31st May 2026
29AQI (US)
1st June 2026
29AQI (US)
2nd June 2026
30AQI (US)
3rd June 2026
22AQI (US)
4th June 2026
26AQI (US)
5th June 2026
22AQI (US)
6th June 2026
26AQI (US)
7th June 2026
22AQI (US)
8th June 2026
21AQI (US)
9th June 2026
23AQI (US)
10th June 2026
22AQI (US)
11th June 2026
26AQI (US)
12th June 2026
37AQI (US)
13th June 2026
31AQI (US)
14th June 2026
26AQI (US)
15th June 2026
26AQI (US)
16th June 2026
32AQI (US)
17th June 2026
24AQI (US)
18th June 2026
25AQI (US)
19th June 2026
33AQI (US)
20th June 2026
32AQI (US)
21st June 2026
23AQI (US)
22nd June 2026
18AQI (US)
23rd June 2026
22AQI (US)
24th June 2026
22AQI (US)
25th June 2026
26AQI (US)
26th June 2026
29AQI (US)
27th June 2026
27AQI (US)
28th June 2026
30AQI (US)
29th June 2026
29AQI (US)
30th June 2026
36AQI (US)
1st July 2026
60AQI (US)
2nd July 2026
17AQI (US)
3rd July 2026
27AQI (US)
4th July 2026
26AQI (US)
5th July 2026
21AQI (US)
6th July 2026
15AQI (US)
7th July 2026
22AQI (US)
8th July 2026
25AQI (US)
9th July 2026
25AQI (US)
10th July 2026
26AQI (US)
11th July 2026
28AQI (US)
12th July 2026
28AQI (US)
13th July 2026
52AQI (US)
14th July 2026
44AQI (US)
15th July 2026
42AQI (US)
16th July 2026
52AQI (US)
17th July 2026
38AQI (US)
18th July 2026
56AQI (US)
19th July 2026
56AQI (US)
20th July 2026
51AQI (US)
21st July 2026
76AQI (US)
22nd July 2026
84AQI (US)
23rd July 2026
59AQI (US)
24th July 2026
41AQI (US)
25th July 2026
51AQI (US)
26th July 2026
46AQI (US)
27th July 2026
31AQI (US)
28th July 2026
40AQI (US)
29th July 2026
40AQI (US)
30th July 2026
48AQI (US)
31st July 2026
46AQI (US)
1st August 2026
44AQI (US)
2nd August 2026
46AQI (US)
3rd August 2026
47AQI (US)
4th August 2026
30AQI (US)
5th August 2026
25AQI (US)
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

35AQI (US)

40AQI (US)

54AQI (US)

38AQI (US)

42AQI (US)

27AQI (US)

41AQI (US)

38AQI (US)

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202640AQI (US)

27
4
22
6
9
22
29
1
21
10
30
21
10
5
164
53

Highest AQI (US) recorded in

March

54AQI (US)

Lowest AQI (US) recorded in

June

27AQI (US)

202544AQI (US)

28
3
25
3
22
9
20
10
21
10
23
7
17
14
21
10
30
16
15
19
11
23
8
265
100

Highest AQI (US) recorded in

July

54AQI (US)

Lowest AQI (US) recorded in

September

33AQI (US)

202439AQI (US)

30
27
2
24
7
19
10
1
26
5
24
6
30
1
30
1
27
3
31
28
2
31
327
37
1

Highest AQI (US) recorded in

April

48AQI (US)

Lowest AQI (US) recorded in

December

32AQI (US)

202340AQI (US)

30
1
27
1
21
10
14
16
24
7
21
9
29
2
31
29
1
30
1
24
5
25
6
305
59

Highest AQI (US) recorded in

April

53AQI (US)

Lowest AQI (US) recorded in

August

31AQI (US)

202239AQI (US)

31
18
4
21
10
25
5
17
14
22
8
22
1
1
28
29
2
26
4
31
271
48

Highest AQI (US) recorded in

May

51AQI (US)

Lowest AQI (US) recorded in

August

22AQI (US)

202137AQI (US)

27
4
22
6
23
7
1
26
4
25
6
21
9
29
2
29
2
29
1
30
1
27
3
31
319
45
1

Highest AQI (US) recorded in

June

46AQI (US)

Lowest AQI (US) recorded in

December

32AQI (US)

202038AQI (US)

11
2
18
3
15
3
22
8
28
3
14
16
1
19
31
26
4
29
2
213
41
1

Highest AQI (US) recorded in

August

54AQI (US)

Lowest AQI (US) recorded in

July

30AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
44AQI (US)
Least Polluted Year Recorded
2021(Avg.)
37AQI (US)

Sasayama's annual 2026 AQI (US) (40) shows an average percentage change of 1.5% (worsened AQI (US)) compared to previous years: 2020 (38), 2021 (37), 2022 (39), 2023 (40), 2024 (39), 2025 (44).