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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Higashihongo, Shimogamo, Shizuoka, 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

Higashihongo, Shimogamo, Shizuoka, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
15th Aug 2023
65AQI
Lowest AQI recorded on
1st Aug 2023
11AQI

Same Day Analysis (16th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 25 of Good air quality, showing improvement over 2025 and 2023 on the same day.

Day & Night AQI Trend: 15th Aug - 16th Aug 2026

Higashihongo, Shimogamo, Shizuoka, Japan

AQI
Day
Night
.

4 AM15th Aug 2026

6 PM

3 AM16th Aug 2026

Day time
Avg. Highest Time
2PM15th Aug

38AQI

Avg. Lowest Time
10AM15th Aug

21AQI

Night time
Avg. Highest Time
7PM15th Aug

29AQI

Avg. Lowest Time
12AM16th Aug

21AQI

In the last 24 hours,

Higashihongo's AQI reached its highest point of 38 at 2 PM during the Day, while the lowest point, 21, was recorded at 12 AM during the Night between 15th Aug and 16th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Higashihongo, Shimogamo, Shizuoka, Japan

JulAug
18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th
Day
Night
18th Jul 2026314 AMAQI
18th Jul 2026365 AMAQI
18th Jul 2026296 AMAQI
18th Jul 2026277 AMAQI
18th Jul 2026318 AMAQI
18th Jul 2026299 AMAQI
18th Jul 20262510 AMAQI
18th Jul 20261711 AMAQI
18th Jul 20261712 PMAQI
18th Jul 2026191 PMAQI
18th Jul 2026172 PMAQI
18th Jul 2026153 PMAQI
18th Jul 2026164 PMAQI
18th Jul 2026185 PMAQI
18th Jul 2026176 PMAQI
18th Jul 2026207 PMAQI
18th Jul 2026238 PMAQI
18th Jul 2026149 PMAQI
18th Jul 20261010 PMAQI
18th Jul 20261011 PMAQI
19th Jul 20261012 AMAQI
19th Jul 202671 AMAQI
19th Jul 2026102 AMAQI
19th Jul 2026143 AMAQI

26°C26/28°C

19th Jul 2026144 AMAQI
19th Jul 2026105 AMAQI
19th Jul 202686 AMAQI
19th Jul 2026177 AMAQI
19th Jul 2026128 AMAQI
19th Jul 2026149 AMAQI
19th Jul 20261610 AMAQI
19th Jul 20261011 AMAQI
19th Jul 20261012 PMAQI
19th Jul 2026121 PMAQI
19th Jul 2026122 PMAQI
19th Jul 2026183 PMAQI
19th Jul 2026254 PMAQI
19th Jul 2026235 PMAQI
19th Jul 2026276 PMAQI
19th Jul 2026257 PMAQI
19th Jul 2026238 PMAQI
19th Jul 2026259 PMAQI
19th Jul 20262510 PMAQI
19th Jul 20262511 PMAQI
20th Jul 20262512 AMAQI
20th Jul 2026251 AMAQI
20th Jul 2026232 AMAQI
20th Jul 2026253 AMAQI

26°C25/28°C

20th Jul 2026254 AMAQI
20th Jul 2026235 AMAQI
20th Jul 2026236 AMAQI
20th Jul 2026237 AMAQI
20th Jul 2026298 AMAQI
20th Jul 2026219 AMAQI
20th Jul 20262910 AMAQI
20th Jul 20262511 AMAQI
20th Jul 20262112 PMAQI
20th Jul 2026211 PMAQI
20th Jul 2026462 PMAQI
20th Jul 2026403 PMAQI
20th Jul 2026294 PMAQI
20th Jul 2026345 PMAQI
20th Jul 2026386 PMAQI
20th Jul 2026477 PMAQI
20th Jul 2026518 PMAQI
20th Jul 2026529 PMAQI
20th Jul 20265110 PMAQI
20th Jul 20265111 PMAQI
21st Jul 20264412 AMAQI
21st Jul 2026401 AMAQI
21st Jul 2026442 AMAQI
21st Jul 2026443 AMAQI

27°C26/28°C

21st Jul 2026424 AMAQI
21st Jul 2026465 AMAQI
21st Jul 2026466 AMAQI
21st Jul 2026467 AMAQI
21st Jul 2026448 AMAQI
21st Jul 2026469 AMAQI
21st Jul 20264810 AMAQI
21st Jul 20264411 AMAQI
21st Jul 2026511 PMAQI
21st Jul 2026522 PMAQI
21st Jul 2026523 PMAQI
21st Jul 2026524 PMAQI
21st Jul 2026465 PMAQI
21st Jul 2026516 PMAQI
21st Jul 2026897 PMAQI
21st Jul 2026598 PMAQI
21st Jul 2026569 PMAQI
21st Jul 20265310 PMAQI
21st Jul 20265311 PMAQI
22nd Jul 20265412 AMAQI
22nd Jul 2026511 AMAQI
22nd Jul 2026532 AMAQI
22nd Jul 2026523 AMAQI

27°C26/29°C

22nd Jul 2026514 AMAQI
22nd Jul 2026545 AMAQI
22nd Jul 2026526 AMAQI
22nd Jul 2026517 AMAQI
22nd Jul 2026528 AMAQI
22nd Jul 2026519 AMAQI
22nd Jul 20265210 AMAQI
22nd Jul 20265711 AMAQI
22nd Jul 20265512 PMAQI
22nd Jul 2026591 PMAQI
22nd Jul 2026582 PMAQI
22nd Jul 2026593 PMAQI
22nd Jul 2026644 PMAQI
22nd Jul 2026705 PMAQI
22nd Jul 2026746 PMAQI
22nd Jul 2026907 PMAQI
22nd Jul 2026798 PMAQI
22nd Jul 2026599 PMAQI
22nd Jul 20265410 PMAQI
22nd Jul 20265111 PMAQI
23rd Jul 20264812 AMAQI
23rd Jul 2026521 AMAQI
23rd Jul 2026542 AMAQI
23rd Jul 2026693 AMAQI

27°C26/29°C

23rd Jul 2026704 AMAQI
23rd Jul 2026695 AMAQI
23rd Jul 2026686 AMAQI
23rd Jul 2026637 AMAQI
23rd Jul 2026678 AMAQI
23rd Jul 2026679 AMAQI
23rd Jul 20267110 AMAQI
23rd Jul 20267511 AMAQI
23rd Jul 20267812 PMAQI
23rd Jul 2026711 PMAQI
23rd Jul 2026852 PMAQI
23rd Jul 2026893 PMAQI
23rd Jul 2026814 PMAQI
23rd Jul 2026785 PMAQI
23rd Jul 2026846 PMAQI
23rd Jul 2026857 PMAQI
23rd Jul 2026898 PMAQI
23rd Jul 2026869 PMAQI
23rd Jul 20268210 PMAQI
23rd Jul 20268011 PMAQI
24th Jul 20268312 AMAQI
24th Jul 2026821 AMAQI
24th Jul 2026732 AMAQI
24th Jul 2026743 AMAQI

28°C27/30°C

24th Jul 2026704 AMAQI
24th Jul 2026695 AMAQI
24th Jul 2026696 AMAQI
24th Jul 2026717 AMAQI
24th Jul 2026698 AMAQI
24th Jul 2026719 AMAQI
24th Jul 20266510 AMAQI
24th Jul 20265711 AMAQI
24th Jul 20264612 PMAQI
24th Jul 2026541 PMAQI
24th Jul 2026552 PMAQI
24th Jul 2026533 PMAQI
24th Jul 2026544 PMAQI
24th Jul 2026535 PMAQI
24th Jul 2026426 PMAQI
24th Jul 2026517 PMAQI
24th Jul 2026488 PMAQI
24th Jul 2026519 PMAQI
24th Jul 20265610 PMAQI
24th Jul 20266611 PMAQI
25th Jul 20267112 AMAQI
25th Jul 2026661 AMAQI
25th Jul 2026662 AMAQI
25th Jul 2026593 AMAQI

27°C26/28°C

25th Jul 2026624 AMAQI
25th Jul 2026655 AMAQI
25th Jul 2026736 AMAQI
25th Jul 2026667 AMAQI
25th Jul 2026788 AMAQI
25th Jul 2026719 AMAQI
25th Jul 20267610 AMAQI
25th Jul 20268411 AMAQI
25th Jul 20268412 PMAQI
25th Jul 2026831 PMAQI
25th Jul 2026862 PMAQI
25th Jul 2026923 PMAQI
25th Jul 2026824 PMAQI
25th Jul 2026895 PMAQI
25th Jul 2026876 PMAQI
25th Jul 2026907 PMAQI
25th Jul 2026978 PMAQI
25th Jul 2026929 PMAQI
25th Jul 20268710 PMAQI
25th Jul 20266511 PMAQI
26th Jul 20262812 AMAQI
26th Jul 2026281 AMAQI
26th Jul 2026422 AMAQI
26th Jul 2026483 AMAQI

27°C26/29°C

26th Jul 2026294 AMAQI
26th Jul 2026295 AMAQI
26th Jul 2026366 AMAQI
26th Jul 2026337 AMAQI
26th Jul 2026318 AMAQI
26th Jul 2026369 AMAQI
26th Jul 20263610 AMAQI
26th Jul 20261611 AMAQI
26th Jul 20263112 PMAQI
26th Jul 2026461 PMAQI
26th Jul 2026542 PMAQI
26th Jul 2026523 PMAQI
26th Jul 2026524 PMAQI
26th Jul 2026485 PMAQI
26th Jul 2026366 PMAQI
26th Jul 2026407 PMAQI
26th Jul 2026448 PMAQI
26th Jul 2026279 PMAQI
26th Jul 20262510 PMAQI
26th Jul 20262511 PMAQI
27th Jul 20262112 AMAQI
27th Jul 2026191 AMAQI
27th Jul 2026272 AMAQI
27th Jul 2026253 AMAQI

26°C25/27°C

27th Jul 2026294 AMAQI
27th Jul 2026295 AMAQI
27th Jul 2026256 AMAQI
27th Jul 2026257 AMAQI
27th Jul 2026298 AMAQI
27th Jul 2026319 AMAQI
27th Jul 20262910 AMAQI
27th Jul 20263611 AMAQI
27th Jul 20262712 PMAQI
27th Jul 2026361 PMAQI
27th Jul 2026542 PMAQI
27th Jul 2026673 PMAQI
27th Jul 2026444 PMAQI
27th Jul 2026255 PMAQI
27th Jul 2026206 PMAQI
27th Jul 2026207 PMAQI
27th Jul 2026258 PMAQI
27th Jul 2026209 PMAQI
27th Jul 20262110 PMAQI
27th Jul 20262111 PMAQI
28th Jul 20262912 AMAQI
28th Jul 2026231 AMAQI
28th Jul 2026252 AMAQI
28th Jul 2026253 AMAQI

26°C25/26°C

28th Jul 2026254 AMAQI
28th Jul 2026255 AMAQI
28th Jul 2026256 AMAQI
28th Jul 2026257 AMAQI
28th Jul 2026218 AMAQI
28th Jul 2026259 AMAQI
28th Jul 20262510 AMAQI
28th Jul 20262511 AMAQI
28th Jul 20262112 PMAQI
28th Jul 2026311 PMAQI
28th Jul 2026212 PMAQI
28th Jul 2026213 PMAQI
28th Jul 2026214 PMAQI
28th Jul 2026215 PMAQI
28th Jul 2026216 PMAQI
28th Jul 2026217 PMAQI
28th Jul 2026278 PMAQI
28th Jul 2026259 PMAQI
28th Jul 20262510 PMAQI
28th Jul 20262511 PMAQI
29th Jul 20263812 AMAQI
29th Jul 2026271 AMAQI
29th Jul 2026252 AMAQI
29th Jul 2026213 AMAQI

26°C24/27°C

29th Jul 2026214 AMAQI
29th Jul 2026235 AMAQI
29th Jul 2026296 AMAQI
29th Jul 2026237 AMAQI
29th Jul 2026278 AMAQI
29th Jul 2026239 AMAQI
29th Jul 20262510 AMAQI
29th Jul 20262111 AMAQI
29th Jul 20262112 PMAQI
29th Jul 2026381 PMAQI
29th Jul 2026302 PMAQI
29th Jul 2026253 PMAQI
29th Jul 2026234 PMAQI
29th Jul 2026215 PMAQI
29th Jul 2026236 PMAQI
29th Jul 2026237 PMAQI
29th Jul 2026218 PMAQI
29th Jul 2026259 PMAQI
29th Jul 20262510 PMAQI
29th Jul 20262511 PMAQI
30th Jul 20262512 AMAQI
30th Jul 2026251 AMAQI
30th Jul 2026252 AMAQI
30th Jul 2026253 AMAQI

28°C26/29°C

30th Jul 2026234 AMAQI
30th Jul 2026275 AMAQI
30th Jul 2026256 AMAQI
30th Jul 2026257 AMAQI
30th Jul 2026258 AMAQI
30th Jul 2026259 AMAQI
30th Jul 20262710 AMAQI
30th Jul 20262711 AMAQI
30th Jul 20262912 PMAQI
30th Jul 2026361 PMAQI
30th Jul 2026402 PMAQI
30th Jul 2026523 PMAQI
30th Jul 2026604 PMAQI
30th Jul 2026585 PMAQI
30th Jul 2026516 PMAQI
30th Jul 2026547 PMAQI
30th Jul 2026828 PMAQI
30th Jul 2026789 PMAQI
30th Jul 20266210 PMAQI
30th Jul 20266211 PMAQI
31st Jul 20266412 AMAQI
31st Jul 2026551 AMAQI
31st Jul 2026572 AMAQI
31st Jul 2026623 AMAQI

27°C26/29°C

31st Jul 2026564 AMAQI
31st Jul 2026535 AMAQI
31st Jul 2026556 AMAQI
31st Jul 2026557 AMAQI
31st Jul 2026538 AMAQI
31st Jul 2026569 AMAQI
31st Jul 20265510 AMAQI
31st Jul 20266911 AMAQI
31st Jul 20266612 PMAQI
31st Jul 2026711 PMAQI
31st Jul 2026812 PMAQI
31st Jul 2026853 PMAQI
31st Jul 2026604 PMAQI
31st Jul 2026545 PMAQI
31st Jul 2026536 PMAQI
31st Jul 2026537 PMAQI
31st Jul 2026518 PMAQI
31st Jul 2026529 PMAQI
31st Jul 20265510 PMAQI
31st Jul 20265411 PMAQI
1st Aug 20265512 AMAQI
1st Aug 2026561 AMAQI
1st Aug 2026572 AMAQI
1st Aug 2026563 AMAQI

27°C26/29°C

1st Aug 2026524 AMAQI
1st Aug 2026515 AMAQI
1st Aug 2026516 AMAQI
1st Aug 2026467 AMAQI
1st Aug 2026518 AMAQI
1st Aug 2026539 AMAQI
1st Aug 20265410 AMAQI
1st Aug 20265811 AMAQI
1st Aug 20266012 PMAQI
1st Aug 2026591 PMAQI
1st Aug 2026572 PMAQI
1st Aug 2026633 PMAQI
1st Aug 2026684 PMAQI
1st Aug 2026715 PMAQI
1st Aug 2026706 PMAQI
1st Aug 2026697 PMAQI
1st Aug 2026698 PMAQI
1st Aug 2026669 PMAQI
1st Aug 20266210 PMAQI
1st Aug 20266011 PMAQI
2nd Aug 20266212 AMAQI
2nd Aug 2026641 AMAQI
2nd Aug 2026662 AMAQI
2nd Aug 2026633 AMAQI

27°C26/29°C

2nd Aug 2026664 AMAQI
2nd Aug 2026625 AMAQI
2nd Aug 2026606 AMAQI
2nd Aug 2026597 AMAQI
2nd Aug 2026558 AMAQI
2nd Aug 2026539 AMAQI
2nd Aug 20265310 AMAQI
2nd Aug 20265811 AMAQI
2nd Aug 20265812 PMAQI
2nd Aug 2026541 PMAQI
2nd Aug 2026542 PMAQI
2nd Aug 2026543 PMAQI
2nd Aug 2026554 PMAQI
2nd Aug 2026605 PMAQI
2nd Aug 2026626 PMAQI
2nd Aug 2026647 PMAQI
2nd Aug 2026668 PMAQI
2nd Aug 2026589 PMAQI
2nd Aug 20265410 PMAQI
2nd Aug 20265011 PMAQI
3rd Aug 20263812 AMAQI
3rd Aug 2026331 AMAQI
3rd Aug 2026292 AMAQI
3rd Aug 2026293 AMAQI

27°C25/29°C

3rd Aug 2026254 AMAQI
3rd Aug 2026215 AMAQI
3rd Aug 202686 AMAQI
3rd Aug 2026107 AMAQI
3rd Aug 2026258 AMAQI
3rd Aug 2026149 AMAQI
3rd Aug 20261410 AMAQI
3rd Aug 20261711 AMAQI
3rd Aug 2026812 PMAQI
3rd Aug 2026121 PMAQI
3rd Aug 2026192 PMAQI
3rd Aug 2026233 PMAQI
3rd Aug 2026314 PMAQI
3rd Aug 2026385 PMAQI
3rd Aug 2026386 PMAQI
3rd Aug 2026297 PMAQI
3rd Aug 2026238 PMAQI
3rd Aug 2026239 PMAQI
3rd Aug 20263110 PMAQI
3rd Aug 20262111 PMAQI
4th Aug 20263812 AMAQI
4th Aug 2026251 AMAQI
4th Aug 2026252 AMAQI
4th Aug 2026193 AMAQI

25°C24/27°C

4th Aug 2026234 AMAQI
4th Aug 2026215 AMAQI
4th Aug 2026236 AMAQI
4th Aug 2026257 AMAQI
4th Aug 2026258 AMAQI
4th Aug 2026319 AMAQI
4th Aug 20263610 AMAQI
4th Aug 20263111 AMAQI
4th Aug 20263112 PMAQI
4th Aug 2026381 PMAQI
4th Aug 2026362 PMAQI
4th Aug 2026363 PMAQI
4th Aug 2026404 PMAQI
4th Aug 2026385 PMAQI
4th Aug 2026426 PMAQI
4th Aug 2026407 PMAQI
4th Aug 2026488 PMAQI
4th Aug 2026469 PMAQI
4th Aug 20262910 PMAQI
4th Aug 20263611 PMAQI
5th Aug 20263312 AMAQI
5th Aug 2026331 AMAQI
5th Aug 2026362 AMAQI
5th Aug 2026333 AMAQI

25°C23/27°C

5th Aug 2026334 AMAQI
5th Aug 2026335 AMAQI
5th Aug 2026336 AMAQI
5th Aug 2026337 AMAQI
5th Aug 2026298 AMAQI
5th Aug 2026319 AMAQI
5th Aug 20263110 AMAQI
5th Aug 20263111 AMAQI
5th Aug 20263112 PMAQI
5th Aug 2026311 PMAQI
5th Aug 2026272 PMAQI
5th Aug 2026293 PMAQI
5th Aug 2026314 PMAQI
5th Aug 2026315 PMAQI
5th Aug 2026316 PMAQI
5th Aug 2026297 PMAQI
5th Aug 2026338 PMAQI
5th Aug 2026339 PMAQI
5th Aug 20263310 PMAQI
5th Aug 20263311 PMAQI
6th Aug 20263112 AMAQI
6th Aug 2026291 AMAQI
6th Aug 2026272 AMAQI
6th Aug 2026253 AMAQI

25°C23/27°C

6th Aug 2026234 AMAQI
6th Aug 2026235 AMAQI
6th Aug 2026236 AMAQI
6th Aug 2026217 AMAQI
6th Aug 2026218 AMAQI
6th Aug 2026219 AMAQI
6th Aug 20262510 AMAQI
6th Aug 20262711 AMAQI
6th Aug 20262712 PMAQI
6th Aug 2026291 PMAQI
6th Aug 2026292 PMAQI
6th Aug 2026273 PMAQI
6th Aug 2026274 PMAQI
6th Aug 2026295 PMAQI
6th Aug 2026336 PMAQI
6th Aug 2026337 PMAQI
6th Aug 2026218 PMAQI
6th Aug 2026219 PMAQI
6th Aug 20262510 PMAQI
6th Aug 20263811 PMAQI
7th Aug 20262512 AMAQI
7th Aug 2026251 AMAQI
7th Aug 2026332 AMAQI
7th Aug 2026363 AMAQI

26°C25/28°C

7th Aug 2026384 AMAQI
7th Aug 2026335 AMAQI
7th Aug 2026336 AMAQI
7th Aug 2026367 AMAQI
7th Aug 2026368 AMAQI
7th Aug 2026299 AMAQI
7th Aug 20262910 AMAQI
7th Aug 20262911 AMAQI
7th Aug 20264412 PMAQI
7th Aug 2026451 PMAQI
7th Aug 2026312 PMAQI
7th Aug 2026333 PMAQI
7th Aug 2026314 PMAQI
7th Aug 2026255 PMAQI
7th Aug 2026256 PMAQI
7th Aug 2026257 PMAQI
7th Aug 2026258 PMAQI
7th Aug 2026259 PMAQI
7th Aug 20262910 PMAQI
7th Aug 20262511 PMAQI
8th Aug 20262512 AMAQI
8th Aug 2026211 AMAQI
8th Aug 2026292 AMAQI
8th Aug 2026253 AMAQI

26°C25/28°C

8th Aug 2026254 AMAQI
8th Aug 2026255 AMAQI
8th Aug 2026256 AMAQI
8th Aug 2026257 AMAQI
8th Aug 2026258 AMAQI
8th Aug 2026259 AMAQI
8th Aug 20262910 AMAQI
8th Aug 20262911 AMAQI
8th Aug 20262512 PMAQI
8th Aug 2026331 PMAQI
8th Aug 2026332 PMAQI
8th Aug 2026253 PMAQI
8th Aug 2026254 PMAQI
8th Aug 2026215 PMAQI
8th Aug 2026256 PMAQI
8th Aug 2026257 PMAQI
8th Aug 2026258 PMAQI
8th Aug 2026259 PMAQI
8th Aug 20262510 PMAQI
8th Aug 20262511 PMAQI
9th Aug 20262112 AMAQI
9th Aug 2026211 AMAQI
9th Aug 2026252 AMAQI
9th Aug 2026253 AMAQI

26°C25/28°C

9th Aug 2026254 AMAQI
9th Aug 2026255 AMAQI
9th Aug 2026256 AMAQI
9th Aug 2026217 AMAQI
9th Aug 2026258 AMAQI
9th Aug 2026259 AMAQI
9th Aug 20262510 AMAQI
9th Aug 20262911 AMAQI
9th Aug 20262512 PMAQI
9th Aug 2026231 PMAQI
9th Aug 2026302 PMAQI
9th Aug 2026303 PMAQI
9th Aug 2026214 PMAQI
9th Aug 2026275 PMAQI
9th Aug 2026256 PMAQI
9th Aug 2026237 PMAQI
9th Aug 2026258 PMAQI
9th Aug 2026299 PMAQI
9th Aug 20262910 PMAQI
9th Aug 20262711 PMAQI
10th Aug 20262712 AMAQI
10th Aug 2026291 AMAQI
10th Aug 2026252 AMAQI
10th Aug 2026273 AMAQI

26°C25/27°C

10th Aug 2026254 AMAQI
10th Aug 2026255 AMAQI
10th Aug 2026256 AMAQI
10th Aug 2026257 AMAQI
10th Aug 2026258 AMAQI
10th Aug 2026259 AMAQI
10th Aug 20262510 AMAQI
10th Aug 20262311 AMAQI
10th Aug 20262512 PMAQI
10th Aug 2026251 PMAQI
10th Aug 2026252 PMAQI
10th Aug 2026253 PMAQI
10th Aug 2026274 PMAQI
10th Aug 2026275 PMAQI
10th Aug 2026296 PMAQI
10th Aug 2026317 PMAQI
10th Aug 2026298 PMAQI
10th Aug 2026319 PMAQI
10th Aug 20262710 PMAQI
10th Aug 20262911 PMAQI
11th Aug 20262912 AMAQI
11th Aug 2026251 AMAQI
11th Aug 2026272 AMAQI
11th Aug 2026293 AMAQI

25°C24/26°C

11th Aug 2026314 AMAQI
11th Aug 2026295 AMAQI
11th Aug 2026316 AMAQI
11th Aug 2026297 AMAQI
11th Aug 2026338 AMAQI
11th Aug 2026339 AMAQI
11th Aug 20263310 AMAQI
11th Aug 20263311 AMAQI
11th Aug 20263312 PMAQI
11th Aug 2026361 PMAQI
11th Aug 2026332 PMAQI
11th Aug 2026363 PMAQI
11th Aug 2026334 PMAQI
11th Aug 2026405 PMAQI
11th Aug 2026336 PMAQI
11th Aug 2026337 PMAQI
11th Aug 2026368 PMAQI
11th Aug 2026339 PMAQI
11th Aug 20263110 PMAQI
11th Aug 20262911 PMAQI
12th Aug 20263112 AMAQI
12th Aug 2026291 AMAQI
12th Aug 2026292 AMAQI
12th Aug 2026293 AMAQI

23°C23/24°C

12th Aug 2026254 AMAQI
12th Aug 2026275 AMAQI
12th Aug 2026216 AMAQI
12th Aug 2026257 AMAQI
12th Aug 2026258 AMAQI
12th Aug 2026219 AMAQI
12th Aug 20262510 AMAQI
12th Aug 20262511 AMAQI
12th Aug 20262312 PMAQI
12th Aug 2026211 PMAQI
12th Aug 2026212 PMAQI
12th Aug 2026213 PMAQI
12th Aug 2026214 PMAQI
12th Aug 2026215 PMAQI
12th Aug 2026466 PMAQI
12th Aug 2026447 PMAQI
12th Aug 2026408 PMAQI
12th Aug 2026299 PMAQI
12th Aug 20262910 PMAQI
12th Aug 20262511 PMAQI
13th Aug 20262512 AMAQI
13th Aug 2026251 AMAQI
13th Aug 2026252 AMAQI
13th Aug 2026253 AMAQI

25°C24/26°C

13th Aug 2026254 AMAQI
13th Aug 2026255 AMAQI
13th Aug 2026216 AMAQI
13th Aug 2026257 AMAQI
13th Aug 2026258 AMAQI
13th Aug 2026259 AMAQI
13th Aug 20262510 AMAQI
13th Aug 20262111 AMAQI
13th Aug 20262112 PMAQI
13th Aug 2026211 PMAQI
13th Aug 2026272 PMAQI
13th Aug 2026333 PMAQI
13th Aug 2026214 PMAQI
13th Aug 2026215 PMAQI
13th Aug 2026296 PMAQI
13th Aug 2026337 PMAQI
13th Aug 2026258 PMAQI
13th Aug 2026239 PMAQI
13th Aug 20262110 PMAQI
13th Aug 20262111 PMAQI
14th Aug 20262312 AMAQI
14th Aug 2026211 AMAQI
14th Aug 2026252 AMAQI
14th Aug 2026253 AMAQI

26°C24/27°C

14th Aug 2026254 AMAQI
14th Aug 2026235 AMAQI
14th Aug 2026216 AMAQI
14th Aug 2026127 AMAQI
14th Aug 2026218 AMAQI
14th Aug 2026199 AMAQI
14th Aug 20262110 AMAQI
14th Aug 20261711 AMAQI
14th Aug 20262312 PMAQI
14th Aug 2026231 PMAQI
14th Aug 2026252 PMAQI
14th Aug 2026253 PMAQI
14th Aug 2026174 PMAQI
14th Aug 2026215 PMAQI
14th Aug 2026216 PMAQI
14th Aug 2026257 PMAQI
14th Aug 2026218 PMAQI
14th Aug 2026259 PMAQI
14th Aug 20262510 PMAQI
14th Aug 20263311 PMAQI
15th Aug 20262512 AMAQI
15th Aug 2026291 AMAQI
15th Aug 2026252 AMAQI
15th Aug 2026233 AMAQI

26°C24/27°C

15th Aug 2026254 AMAQI
15th Aug 2026235 AMAQI
15th Aug 2026216 AMAQI
15th Aug 2026217 AMAQI
15th Aug 2026258 AMAQI
15th Aug 2026219 AMAQI
15th Aug 20262110 AMAQI
15th Aug 20263311 AMAQI
15th Aug 20262912 PMAQI
15th Aug 2026291 PMAQI
15th Aug 2026382 PMAQI
15th Aug 2026293 PMAQI
15th Aug 2026254 PMAQI
15th Aug 2026295 PMAQI
15th Aug 2026296 PMAQI
15th Aug 2026297 PMAQI
15th Aug 2026258 PMAQI
15th Aug 2026259 PMAQI
15th Aug 20262110 PMAQI
15th Aug 20262111 PMAQI
16th Aug 20262112 AMAQI
16th Aug 2026251 AMAQI
16th Aug 2026292 AMAQI
16th Aug 2026253 AMAQI

26°C25/27°C

16th Aug 2026294 AMAQI
4 AM
16th Aug 2026255 AMAQI
16th Aug 2026256 AMAQI
16th Aug 2026257 AMAQI
16th Aug 2026258 AMAQI
16th Aug 2026259 AMAQI
16th Aug 20262510 AMAQI
16th Aug 20262511 AMAQI
11 AM
16th Aug 20262512 PMAQI
16th Aug 2026251 PMAQI
16th Aug 2026332 PMAQI
16th Aug 2026333 PMAQI
16th Aug 2026254 PMAQI
16th Aug 2026215 PMAQI
16th Aug 2026216 PMAQI
6 PM
16th Aug 2026217 PMAQI
16th Aug 2026258 PMAQI
16th Aug 2026259 PMAQI
16th Aug 20262510 PMAQI
16th Aug 20262511 PMAQI
11 PM
3 AM

26°C25/27°C

Day time
Avg. Highest Time
2 PM - 3 PM

41AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
7 AM

33AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 PM to 3 PM (Avg. 41), while the lowest AQI was between 7 AM to 7 AM (Avg. 33).
Night time
Avg. Highest Time
7 PM - 8 PM

42AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
1 AM

34AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 8 PM (Avg. 42), while the lowest AQI was between 1 AM to 1 AM (Avg. 34).

2026 Days Vs Air Quality

Higashihongo, Shimogamo, Shizuoka, Japan

2026

88%

200

12%

28

Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)

Good
200 Days
Moderate
28 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 88%

Health Risk Level:

Low

In 2026, 88% of 228 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

Higashihongo, Shimogamo, Shizuoka, 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
15AQI (US)
2nd January 2026
14AQI (US)
3rd January 2026
13AQI (US)
4th January 2026
15AQI (US)
5th January 2026
38AQI (US)
6th January 2026
19AQI (US)
7th January 2026
18AQI (US)
8th January 2026
23AQI (US)
9th January 2026
18AQI (US)
10th January 2026
26AQI (US)
11th January 2026
29AQI (US)
12th January 2026
14AQI (US)
13th January 2026
24AQI (US)
14th January 2026
22AQI (US)
15th January 2026
32AQI (US)
16th January 2026
48AQI (US)
17th January 2026
42AQI (US)
18th January 2026
41AQI (US)
19th January 2026
33AQI (US)
20th January 2026
36AQI (US)
21st January 2026
13AQI (US)
22nd January 2026
19AQI (US)
23rd January 2026
35AQI (US)
24th January 2026
38AQI (US)
25th January 2026
39AQI (US)
26th January 2026
23AQI (US)
27th January 2026
34AQI (US)
28th January 2026
31AQI (US)
29th January 2026
21AQI (US)
30th January 2026
35AQI (US)
31st January 2026
33AQI (US)
1st February 2026
31AQI (US)
2nd February 2026
41AQI (US)
3rd February 2026
30AQI (US)
4th February 2026
30AQI (US)
5th February 2026
42AQI (US)
6th February 2026
44AQI (US)
7th February 2026
24AQI (US)
8th February 2026
24AQI (US)
9th February 2026
32AQI (US)
10th February 2026
35AQI (US)
11th February 2026
40AQI (US)
12th February 2026
38AQI (US)
13th February 2026
47AQI (US)
14th February 2026
49AQI (US)
15th February 2026
52AQI (US)
16th February 2026
51AQI (US)
17th February 2026
22AQI (US)
18th February 2026
22AQI (US)
19th February 2026
38AQI (US)
20th February 2026
34AQI (US)
21st February 2026
46AQI (US)
22nd February 2026
44AQI (US)
23rd February 2026
48AQI (US)
24th February 2026
39AQI (US)
25th February 2026
35AQI (US)
26th February 2026
13AQI (US)
27th February 2026
44AQI (US)
28th February 2026
37AQI (US)
1st March 2026
33AQI (US)
2nd March 2026
59AQI (US)
3rd March 2026
36AQI (US)
4th March 2026
21AQI (US)
5th March 2026
48AQI (US)
6th March 2026
48AQI (US)
7th March 2026
42AQI (US)
8th March 2026
32AQI (US)
9th March 2026
39AQI (US)
10th March 2026
56AQI (US)
11th March 2026
50AQI (US)
12th March 2026
59AQI (US)
13th March 2026
39AQI (US)
14th March 2026
42AQI (US)
15th March 2026
57AQI (US)
16th March 2026
47AQI (US)
17th March 2026
45AQI (US)
18th March 2026
46AQI (US)
19th March 2026
34AQI (US)
20th March 2026
38AQI (US)
21st March 2026
37AQI (US)
22nd March 2026
43AQI (US)
23rd March 2026
39AQI (US)
24th March 2026
45AQI (US)
25th March 2026
47AQI (US)
26th March 2026
9AQI (US)
27th March 2026
24AQI (US)
28th March 2026
51AQI (US)
29th March 2026
50AQI (US)
30th March 2026
53AQI (US)
31st March 2026
29AQI (US)
1st April 2026
28AQI (US)
2nd April 2026
11AQI (US)
3rd April 2026
42AQI (US)
4th April 2026
44AQI (US)
5th April 2026
46AQI (US)
6th April 2026
37AQI (US)
7th April 2026
31AQI (US)
8th April 2026
19AQI (US)
9th April 2026
28AQI (US)
10th April 2026
45AQI (US)
11th April 2026
33AQI (US)
12th April 2026
26AQI (US)
13th April 2026
32AQI (US)
14th April 2026
39AQI (US)
15th April 2026
33AQI (US)
16th April 2026
33AQI (US)
17th April 2026
35AQI (US)
18th April 2026
26AQI (US)
19th April 2026
29AQI (US)
20th April 2026
34AQI (US)
21st April 2026
35AQI (US)
22nd April 2026
45AQI (US)
23rd April 2026
34AQI (US)
24th April 2026
23AQI (US)
25th April 2026
46AQI (US)
26th April 2026
49AQI (US)
27th April 2026
49AQI (US)
28th April 2026
45AQI (US)
29th April 2026
52AQI (US)
30th April 2026
34AQI (US)
1st May 2026
13AQI (US)
2nd May 2026
42AQI (US)
3rd May 2026
37AQI (US)
4th May 2026
29AQI (US)
5th May 2026
17AQI (US)
6th May 2026
28AQI (US)
7th May 2026
27AQI (US)
8th May 2026
24AQI (US)
9th May 2026
27AQI (US)
10th May 2026
28AQI (US)
11th May 2026
29AQI (US)
12th May 2026
27AQI (US)
13th May 2026
36AQI (US)
14th May 2026
31AQI (US)
15th May 2026
35AQI (US)
16th May 2026
85AQI (US)
17th May 2026
69AQI (US)
18th May 2026
53AQI (US)
19th May 2026
49AQI (US)
20th May 2026
61AQI (US)
21st May 2026
59AQI (US)
22nd May 2026
60AQI (US)
23rd May 2026
53AQI (US)
24th May 2026
59AQI (US)
25th May 2026
46AQI (US)
26th May 2026
37AQI (US)
27th May 2026
23AQI (US)
28th May 2026
26AQI (US)
29th May 2026
25AQI (US)
30th May 2026
23AQI (US)
31st May 2026
26AQI (US)
1st June 2026
27AQI (US)
2nd June 2026
26AQI (US)
3rd June 2026
14AQI (US)
4th June 2026
10AQI (US)
5th June 2026
18AQI (US)
6th June 2026
22AQI (US)
7th June 2026
22AQI (US)
8th June 2026
19AQI (US)
9th June 2026
22AQI (US)
10th June 2026
23AQI (US)
11th June 2026
24AQI (US)
12th June 2026
24AQI (US)
13th June 2026
35AQI (US)
14th June 2026
29AQI (US)
15th June 2026
15AQI (US)
16th June 2026
22AQI (US)
17th June 2026
24AQI (US)
18th June 2026
25AQI (US)
19th June 2026
26AQI (US)
20th June 2026
23AQI (US)
21st June 2026
25AQI (US)
22nd June 2026
24AQI (US)
23rd June 2026
16AQI (US)
24th June 2026
22AQI (US)
25th June 2026
26AQI (US)
26th June 2026
27AQI (US)
27th June 2026
26AQI (US)
28th June 2026
25AQI (US)
29th June 2026
24AQI (US)
30th June 2026
30AQI (US)
1st July 2026
36AQI (US)
2nd July 2026
19AQI (US)
3rd July 2026
15AQI (US)
4th July 2026
24AQI (US)
5th July 2026
20AQI (US)
6th July 2026
23AQI (US)
7th July 2026
26AQI (US)
8th July 2026
24AQI (US)
9th July 2026
23AQI (US)
10th July 2026
26AQI (US)
11th July 2026
18AQI (US)
12th July 2026
23AQI (US)
13th July 2026
51AQI (US)
14th July 2026
31AQI (US)
15th July 2026
54AQI (US)
16th July 2026
75AQI (US)
17th July 2026
70AQI (US)
18th July 2026
24AQI (US)
19th July 2026
16AQI (US)
20th July 2026
32AQI (US)
21st July 2026
50AQI (US)
22nd July 2026
58AQI (US)
23rd July 2026
73AQI (US)
24th July 2026
62AQI (US)
25th July 2026
78AQI (US)
26th July 2026
36AQI (US)
27th July 2026
29AQI (US)
28th July 2026
24AQI (US)
29th July 2026
25AQI (US)
30th July 2026
40AQI (US)
31st July 2026
59AQI (US)
1st August 2026
59AQI (US)
2nd August 2026
59AQI (US)
3rd August 2026
23AQI (US)
4th August 2026
33AQI (US)
5th August 2026
32AQI (US)
6th August 2026
26AQI (US)
7th August 2026
31AQI (US)
8th August 2026
26AQI (US)
9th August 2026
25AQI (US)
10th August 2026
26AQI (US)
11th August 2026
32AQI (US)
12th August 2026
27AQI (US)
13th August 2026
24AQI (US)
14th August 2026
22AQI (US)
15th August 2026
26AQI (US)
16th August 2026
25AQI (US)
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)

37AQI (US)

42AQI (US)

35AQI (US)

38AQI (US)

23AQI (US)

38AQI (US)

31AQI (US)

No. of days

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

202634AQI (US)

31
26
2
25
6
29
1
23
8
30
22
9
14
2
200
28

Highest AQI (US) recorded in

March

42AQI (US)

Lowest AQI (US) recorded in

June

23AQI (US)

202537AQI (US)

31
28
22
8
1
27
3
30
1
29
1
25
6
22
9
29
1
24
7
30
31
328
36
1

Highest AQI (US) recorded in

August

46AQI (US)

Lowest AQI (US) recorded in

December

30AQI (US)

202435AQI (US)

26
29
26
5
23
7
28
3
28
2
18
13
29
2
30
31
30
31
329
32

Highest AQI (US) recorded in

July

45AQI (US)

Lowest AQI (US) recorded in

January

24AQI (US)

202337AQI (US)

28
3
27
1
25
6
21
9
28
3
23
7
26
5
29
2
26
4
29
2
25
4
29
2
316
48

Highest AQI (US) recorded in

April

49AQI (US)

Lowest AQI (US) recorded in

December

32AQI (US)

202235AQI (US)

30
21
27
4
23
7
27
4
29
1
21
3
1
27
1
31
29
1
31
297
21

Highest AQI (US) recorded in

August

48AQI (US)

Lowest AQI (US) recorded in

January

28AQI (US)

202134AQI (US)

29
2
24
4
27
3
1
25
5
25
6
26
4
30
1
26
5
29
1
31
28
2
29
2
329
35
1

Highest AQI (US) recorded in

May

40AQI (US)

Lowest AQI (US) recorded in

January

27AQI (US)

202028AQI (US)

12
2
18
1
31
29
1
31
121
4

Highest AQI (US) recorded in

August

33AQI (US)

Lowest AQI (US) recorded in

December

25AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
37AQI (US)
Least Polluted Year Recorded
2020(Avg.)
28AQI (US)

Higashihongo's annual 2026 AQI (US) (34) shows an average percentage change of -0.08% (improved AQI (US)) compared to previous years: 2020 (28), 2021 (34), 2022 (35), 2023 (37), 2024 (35), 2025 (37).