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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Senhoshi, Wakabadai, Hokkaido, 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

Senhoshi, Wakabadai, Hokkaido, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
2nd Aug 2023
62AQI
Lowest AQI recorded on
10th Aug 2023
11AQI

Same Day Analysis (18th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 24 of Good air quality, showing improvement over 2025 on the same day.

Day & Night AQI Trend: 17th Aug - 18th Aug 2026

Senhoshi, Wakabadai, Hokkaido, Japan

AQI
Day
Night
.

4 AM17th Aug 2026

7 PM

3 AM18th Aug 2026

Day time
Avg. Highest Time
2PM17th Aug

42AQI

Avg. Lowest Time
6PM17th Aug

21AQI

Night time
Avg. Highest Time
2AM18th Aug

31AQI

Avg. Lowest Time
9PM17th Aug

23AQI

In the last 24 hours,

Senhoshi's AQI reached its highest point of 42 at 2 PM during the Day, while the lowest point, 21, was recorded at 6 PM during the Day between 17th Aug and 18th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Senhoshi, Wakabadai, Hokkaido, Japan

JulAug
20th - 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 - 17th17th - 18th18th
Day
Night
20th Jul 2026384 AMAQI
20th Jul 2026315 AMAQI
20th Jul 2026386 AMAQI
20th Jul 2026327 AMAQI
20th Jul 2026258 AMAQI
20th Jul 2026239 AMAQI
20th Jul 20263210 AMAQI
20th Jul 20262511 AMAQI
20th Jul 20263312 PMAQI
20th Jul 2026421 PMAQI
20th Jul 2026212 PMAQI
20th Jul 2026253 PMAQI
20th Jul 2026244 PMAQI
20th Jul 2026295 PMAQI
20th Jul 2026256 PMAQI
20th Jul 2026247 PMAQI
20th Jul 2026258 PMAQI
20th Jul 2026279 PMAQI
20th Jul 20262710 PMAQI
20th Jul 20262511 PMAQI
21st Jul 20262912 AMAQI
21st Jul 2026251 AMAQI
21st Jul 2026282 AMAQI
21st Jul 2026263 AMAQI

19°C18/20°C

21st Jul 2026264 AMAQI
21st Jul 2026265 AMAQI
21st Jul 2026286 AMAQI
21st Jul 2026297 AMAQI
21st Jul 2026288 AMAQI
21st Jul 2026289 AMAQI
21st Jul 20262710 AMAQI
21st Jul 20262711 AMAQI
21st Jul 2026271 PMAQI
21st Jul 2026252 PMAQI
21st Jul 2026273 PMAQI
21st Jul 2026294 PMAQI
21st Jul 2026295 PMAQI
21st Jul 2026256 PMAQI
21st Jul 2026807 PMAQI
21st Jul 2026278 PMAQI
21st Jul 2026259 PMAQI
21st Jul 20262710 PMAQI
21st Jul 20262911 PMAQI
22nd Jul 20262912 AMAQI
22nd Jul 2026271 AMAQI
22nd Jul 2026252 AMAQI
22nd Jul 2026253 AMAQI

19°C19/19°C

22nd Jul 2026254 AMAQI
22nd Jul 2026235 AMAQI
22nd Jul 2026256 AMAQI
22nd Jul 2026257 AMAQI
22nd Jul 2026238 AMAQI
22nd Jul 2026239 AMAQI
22nd Jul 20262510 AMAQI
22nd Jul 20262711 AMAQI
22nd Jul 20262912 PMAQI
22nd Jul 2026271 PMAQI
22nd Jul 2026292 PMAQI
22nd Jul 2026293 PMAQI
22nd Jul 2026254 PMAQI
22nd Jul 2026295 PMAQI
22nd Jul 2026256 PMAQI
22nd Jul 2026237 PMAQI
22nd Jul 2026258 PMAQI
22nd Jul 2026259 PMAQI
22nd Jul 20262410 PMAQI
22nd Jul 20262311 PMAQI
23rd Jul 20262312 AMAQI
23rd Jul 2026211 AMAQI
23rd Jul 2026222 AMAQI
23rd Jul 2026243 AMAQI

19°C18/19°C

23rd Jul 2026234 AMAQI
23rd Jul 2026245 AMAQI
23rd Jul 2026236 AMAQI
23rd Jul 2026277 AMAQI
23rd Jul 2026278 AMAQI
23rd Jul 2026279 AMAQI
23rd Jul 20262210 AMAQI
23rd Jul 20262111 AMAQI
23rd Jul 20262112 PMAQI
23rd Jul 2026211 PMAQI
23rd Jul 2026212 PMAQI
23rd Jul 2026213 PMAQI
23rd Jul 2026214 PMAQI
23rd Jul 2026235 PMAQI
23rd Jul 2026236 PMAQI
23rd Jul 2026217 PMAQI
23rd Jul 2026238 PMAQI
23rd Jul 2026259 PMAQI
23rd Jul 20262510 PMAQI
23rd Jul 20262311 PMAQI
24th Jul 20262112 AMAQI
24th Jul 2026231 AMAQI
24th Jul 2026362 AMAQI
24th Jul 2026363 AMAQI

17°C15/18°C

24th Jul 2026364 AMAQI
24th Jul 2026445 AMAQI
24th Jul 2026336 AMAQI
24th Jul 2026297 AMAQI
24th Jul 2026318 AMAQI
24th Jul 2026299 AMAQI
24th Jul 20263410 AMAQI
24th Jul 20264011 AMAQI
24th Jul 20264012 PMAQI
24th Jul 2026441 PMAQI
24th Jul 2026402 PMAQI
24th Jul 2026403 PMAQI
24th Jul 2026404 PMAQI
24th Jul 2026295 PMAQI
24th Jul 2026296 PMAQI
24th Jul 2026297 PMAQI
24th Jul 2026278 PMAQI
24th Jul 2026299 PMAQI
24th Jul 20262510 PMAQI
24th Jul 20262311 PMAQI
25th Jul 20262512 AMAQI
25th Jul 2026251 AMAQI
25th Jul 2026252 AMAQI
25th Jul 2026253 AMAQI

16°C15/17°C

25th Jul 2026234 AMAQI
25th Jul 2026235 AMAQI
25th Jul 2026256 AMAQI
25th Jul 2026317 AMAQI
25th Jul 2026258 AMAQI
25th Jul 2026239 AMAQI
25th Jul 20262510 AMAQI
25th Jul 20262111 AMAQI
25th Jul 20261412 PMAQI
25th Jul 2026171 PMAQI
25th Jul 2026192 PMAQI
25th Jul 2026233 PMAQI
25th Jul 2026214 PMAQI
25th Jul 2026255 PMAQI
25th Jul 2026296 PMAQI
25th Jul 2026297 PMAQI
25th Jul 2026258 PMAQI
25th Jul 2026259 PMAQI
25th Jul 20262910 PMAQI
25th Jul 20262911 PMAQI
26th Jul 20262512 AMAQI
26th Jul 2026231 AMAQI
26th Jul 2026192 AMAQI
26th Jul 2026233 AMAQI

16°C15/17°C

26th Jul 2026194 AMAQI
26th Jul 2026165 AMAQI
26th Jul 2026196 AMAQI
26th Jul 2026217 AMAQI
26th Jul 2026218 AMAQI
26th Jul 2026259 AMAQI
26th Jul 20262310 AMAQI
26th Jul 20262111 AMAQI
26th Jul 20262712 PMAQI
26th Jul 2026231 PMAQI
26th Jul 2026422 PMAQI
26th Jul 2026213 PMAQI
26th Jul 2026214 PMAQI
26th Jul 2026215 PMAQI
26th Jul 2026236 PMAQI
26th Jul 2026217 PMAQI
26th Jul 2026238 PMAQI
26th Jul 2026229 PMAQI
26th Jul 20262210 PMAQI
26th Jul 20262411 PMAQI
27th Jul 20262512 AMAQI
27th Jul 2026211 AMAQI
27th Jul 2026212 AMAQI
27th Jul 2026233 AMAQI

17°C15/18°C

27th Jul 2026254 AMAQI
27th Jul 2026255 AMAQI
27th Jul 2026256 AMAQI
27th Jul 2026257 AMAQI
27th Jul 2026238 AMAQI
27th Jul 2026219 AMAQI
27th Jul 20262110 AMAQI
27th Jul 20262111 AMAQI
27th Jul 20262112 PMAQI
27th Jul 2026251 PMAQI
27th Jul 2026212 PMAQI
27th Jul 2026213 PMAQI
27th Jul 2026214 PMAQI
27th Jul 2026215 PMAQI
27th Jul 2026236 PMAQI
27th Jul 2026257 PMAQI
27th Jul 2026258 PMAQI
27th Jul 2026219 PMAQI
27th Jul 20262710 PMAQI
27th Jul 20262311 PMAQI
28th Jul 20262412 AMAQI
28th Jul 2026251 AMAQI
28th Jul 2026242 AMAQI
28th Jul 2026283 AMAQI

17°C16/19°C

28th Jul 2026364 AMAQI
28th Jul 2026275 AMAQI
28th Jul 2026266 AMAQI
28th Jul 2026257 AMAQI
28th Jul 2026258 AMAQI
28th Jul 2026259 AMAQI
28th Jul 20262310 AMAQI
28th Jul 20262511 AMAQI
28th Jul 20262512 PMAQI
28th Jul 2026251 PMAQI
28th Jul 2026252 PMAQI
28th Jul 2026253 PMAQI
28th Jul 2026234 PMAQI
28th Jul 2026275 PMAQI
28th Jul 2026256 PMAQI
28th Jul 2026257 PMAQI
28th Jul 2026258 PMAQI
28th Jul 2026229 PMAQI
28th Jul 20262310 PMAQI
28th Jul 20262511 PMAQI
29th Jul 20262412 AMAQI
29th Jul 2026231 AMAQI
29th Jul 2026232 AMAQI
29th Jul 2026263 AMAQI

19°C18/20°C

29th Jul 2026254 AMAQI
29th Jul 2026235 AMAQI
29th Jul 2026256 AMAQI
29th Jul 2026237 AMAQI
29th Jul 2026258 AMAQI
29th Jul 2026239 AMAQI
29th Jul 20262310 AMAQI
29th Jul 20262311 AMAQI
29th Jul 20262712 PMAQI
29th Jul 2026251 PMAQI
29th Jul 2026272 PMAQI
29th Jul 2026253 PMAQI
29th Jul 2026254 PMAQI
29th Jul 2026275 PMAQI
29th Jul 2026256 PMAQI
29th Jul 2026257 PMAQI
29th Jul 2026258 PMAQI
29th Jul 2026259 PMAQI
29th Jul 20262510 PMAQI
29th Jul 20262111 PMAQI
30th Jul 20262112 AMAQI
30th Jul 2026321 AMAQI
30th Jul 2026422 AMAQI
30th Jul 2026323 AMAQI

19°C19/20°C

30th Jul 2026304 AMAQI
30th Jul 2026365 AMAQI
30th Jul 2026386 AMAQI
30th Jul 2026427 AMAQI
30th Jul 2026428 AMAQI
30th Jul 2026369 AMAQI
30th Jul 20263610 AMAQI
30th Jul 20263811 AMAQI
30th Jul 20263812 PMAQI
30th Jul 2026291 PMAQI
30th Jul 2026312 PMAQI
30th Jul 2026273 PMAQI
30th Jul 2026234 PMAQI
30th Jul 2026215 PMAQI
30th Jul 2026296 PMAQI
30th Jul 2026317 PMAQI
30th Jul 2026258 PMAQI
30th Jul 2026329 PMAQI
30th Jul 20262710 PMAQI
30th Jul 20263411 PMAQI
31st Jul 20262312 AMAQI
31st Jul 2026231 AMAQI
31st Jul 2026342 AMAQI
31st Jul 2026323 AMAQI

18°C16/19°C

31st Jul 2026344 AMAQI
31st Jul 2026255 AMAQI
31st Jul 2026206 AMAQI
31st Jul 2026327 AMAQI
31st Jul 2026338 AMAQI
31st Jul 2026389 AMAQI
31st Jul 20263810 AMAQI
31st Jul 20262911 AMAQI
31st Jul 20262312 PMAQI
31st Jul 2026341 PMAQI
31st Jul 2026292 PMAQI
31st Jul 2026403 PMAQI
31st Jul 2026334 PMAQI
31st Jul 2026215 PMAQI
31st Jul 2026246 PMAQI
31st Jul 2026217 PMAQI
31st Jul 2026218 PMAQI
31st Jul 2026219 PMAQI
31st Jul 20262110 PMAQI
31st Jul 20262111 PMAQI
1st Aug 20262212 AMAQI
1st Aug 2026211 AMAQI
1st Aug 2026222 AMAQI
1st Aug 2026233 AMAQI

17°C16/18°C

1st Aug 2026244 AMAQI
1st Aug 2026245 AMAQI
1st Aug 2026256 AMAQI
1st Aug 2026237 AMAQI
1st Aug 2026238 AMAQI
1st Aug 2026239 AMAQI
1st Aug 20262310 AMAQI
1st Aug 20262211 AMAQI
1st Aug 20262112 PMAQI
1st Aug 2026211 PMAQI
1st Aug 2026232 PMAQI
1st Aug 2026303 PMAQI
1st Aug 2026234 PMAQI
1st Aug 2026235 PMAQI
1st Aug 2026246 PMAQI
1st Aug 2026257 PMAQI
1st Aug 2026258 PMAQI
1st Aug 2026259 PMAQI
1st Aug 20262710 PMAQI
1st Aug 20262311 PMAQI
2nd Aug 20262312 AMAQI
2nd Aug 2026221 AMAQI
2nd Aug 2026242 AMAQI
2nd Aug 2026213 AMAQI

18°C16/19°C

2nd Aug 2026214 AMAQI
2nd Aug 2026215 AMAQI
2nd Aug 2026216 AMAQI
2nd Aug 2026217 AMAQI
2nd Aug 2026258 AMAQI
2nd Aug 2026239 AMAQI
2nd Aug 20262410 AMAQI
2nd Aug 20262511 AMAQI
2nd Aug 20265012 PMAQI
2nd Aug 2026641 PMAQI
2nd Aug 2026522 PMAQI
2nd Aug 2026483 PMAQI
2nd Aug 2026564 PMAQI
2nd Aug 2026315 PMAQI
2nd Aug 2026466 PMAQI
2nd Aug 2026407 PMAQI
2nd Aug 2026318 PMAQI
2nd Aug 2026339 PMAQI
2nd Aug 20261810 PMAQI
2nd Aug 20261811 PMAQI
3rd Aug 20262112 AMAQI
3rd Aug 2026181 AMAQI
3rd Aug 2026182 AMAQI
3rd Aug 2026183 AMAQI

19°C17/21°C

3rd Aug 2026194 AMAQI
3rd Aug 2026255 AMAQI
3rd Aug 2026216 AMAQI
3rd Aug 2026277 AMAQI
3rd Aug 2026218 AMAQI
3rd Aug 2026209 AMAQI
3rd Aug 20261810 AMAQI
3rd Aug 20262311 AMAQI
3rd Aug 20263412 PMAQI
3rd Aug 2026321 PMAQI
3rd Aug 2026232 PMAQI
3rd Aug 2026253 PMAQI
3rd Aug 2026294 PMAQI
3rd Aug 2026325 PMAQI
3rd Aug 2026346 PMAQI
3rd Aug 2026297 PMAQI
3rd Aug 2026278 PMAQI
3rd Aug 2026239 PMAQI
3rd Aug 20262310 PMAQI
3rd Aug 20262511 PMAQI
4th Aug 20262512 AMAQI
4th Aug 2026251 AMAQI
4th Aug 2026242 AMAQI
4th Aug 2026253 AMAQI

21°C20/22°C

4th Aug 2026294 AMAQI
4th Aug 2026315 AMAQI
4th Aug 2026276 AMAQI
4th Aug 2026297 AMAQI
4th Aug 2026318 AMAQI
4th Aug 2026319 AMAQI
4th Aug 20263810 AMAQI
4th Aug 20263811 AMAQI
4th Aug 20263612 PMAQI
4th Aug 2026381 PMAQI
4th Aug 2026362 PMAQI
4th Aug 2026363 PMAQI
4th Aug 2026384 PMAQI
4th Aug 2026385 PMAQI
4th Aug 2026366 PMAQI
4th Aug 2026367 PMAQI
4th Aug 2026408 PMAQI
4th Aug 2026389 PMAQI
4th Aug 20263610 PMAQI
4th Aug 20263311 PMAQI
5th Aug 20263312 AMAQI
5th Aug 2026381 AMAQI
5th Aug 2026362 AMAQI
5th Aug 2026333 AMAQI

21°C21/22°C

5th Aug 2026334 AMAQI
5th Aug 2026335 AMAQI
5th Aug 2026336 AMAQI
5th Aug 2026337 AMAQI
5th Aug 2026338 AMAQI
5th Aug 2026339 AMAQI
5th Aug 20263810 AMAQI
5th Aug 20263811 AMAQI
5th Aug 20263812 PMAQI
5th Aug 2026401 PMAQI
5th Aug 2026422 PMAQI
5th Aug 2026403 PMAQI
5th Aug 2026424 PMAQI
5th Aug 2026385 PMAQI
5th Aug 2026426 PMAQI
5th Aug 2026407 PMAQI
5th Aug 2026388 PMAQI
5th Aug 2026369 PMAQI
5th Aug 20263810 PMAQI
5th Aug 20263611 PMAQI
6th Aug 20263612 AMAQI
6th Aug 2026381 AMAQI
6th Aug 2026362 AMAQI
6th Aug 2026363 AMAQI

21°C21/22°C

6th Aug 2026334 AMAQI
6th Aug 2026335 AMAQI
6th Aug 2026326 AMAQI
6th Aug 2026337 AMAQI
6th Aug 2026338 AMAQI
6th Aug 2026339 AMAQI
6th Aug 20263310 AMAQI
6th Aug 20263111 AMAQI
6th Aug 20262912 PMAQI
6th Aug 2026331 PMAQI
6th Aug 2026362 PMAQI
6th Aug 2026333 PMAQI
6th Aug 2026364 PMAQI
6th Aug 2026335 PMAQI
6th Aug 2026316 PMAQI
6th Aug 2026367 PMAQI
6th Aug 2026368 PMAQI
6th Aug 2026339 PMAQI
6th Aug 20263310 PMAQI
6th Aug 20263611 PMAQI
7th Aug 20263312 AMAQI
7th Aug 2026331 AMAQI
7th Aug 2026362 AMAQI
7th Aug 2026383 AMAQI

22°C21/22°C

7th Aug 2026364 AMAQI
7th Aug 2026385 AMAQI
7th Aug 2026366 AMAQI
7th Aug 2026407 AMAQI
7th Aug 2026388 AMAQI
7th Aug 2026389 AMAQI
7th Aug 20263810 AMAQI
7th Aug 20264011 AMAQI
7th Aug 20264212 PMAQI
7th Aug 2026381 PMAQI
7th Aug 2026402 PMAQI
7th Aug 2026423 PMAQI
7th Aug 2026424 PMAQI
7th Aug 2026425 PMAQI
7th Aug 2026426 PMAQI
7th Aug 2026407 PMAQI
7th Aug 2026408 PMAQI
7th Aug 2026409 PMAQI
7th Aug 20263610 PMAQI
7th Aug 20263611 PMAQI
8th Aug 20263112 AMAQI
8th Aug 2026291 AMAQI
8th Aug 2026272 AMAQI
8th Aug 2026253 AMAQI

22°C18/23°C

8th Aug 2026234 AMAQI
8th Aug 2026235 AMAQI
8th Aug 2026236 AMAQI
8th Aug 2026277 AMAQI
8th Aug 2026338 AMAQI
8th Aug 2026389 AMAQI
8th Aug 20262210 AMAQI
8th Aug 20262711 AMAQI
8th Aug 20263612 PMAQI
8th Aug 2026311 PMAQI
8th Aug 2026292 PMAQI
8th Aug 2026253 PMAQI
8th Aug 2026214 PMAQI
8th Aug 2026345 PMAQI
8th Aug 2026276 PMAQI
8th Aug 2026277 PMAQI
8th Aug 2026278 PMAQI
8th Aug 2026279 PMAQI
8th Aug 20262910 PMAQI
8th Aug 20262711 PMAQI
9th Aug 20262312 AMAQI
9th Aug 2026231 AMAQI
9th Aug 2026252 AMAQI
9th Aug 2026253 AMAQI

18°C18/19°C

9th Aug 2026254 AMAQI
9th Aug 2026275 AMAQI
9th Aug 2026296 AMAQI
9th Aug 2026277 AMAQI
9th Aug 2026258 AMAQI
9th Aug 2026259 AMAQI
9th Aug 20262710 AMAQI
9th Aug 20262311 AMAQI
9th Aug 20263112 PMAQI
9th Aug 2026271 PMAQI
9th Aug 2026252 PMAQI
9th Aug 2026253 PMAQI
9th Aug 2026274 PMAQI
9th Aug 2026275 PMAQI
9th Aug 2026296 PMAQI
9th Aug 2026277 PMAQI
9th Aug 2026238 PMAQI
9th Aug 2026239 PMAQI
9th Aug 20262710 PMAQI
9th Aug 20262711 PMAQI
10th Aug 20262512 AMAQI
10th Aug 2026251 AMAQI
10th Aug 2026252 AMAQI
10th Aug 2026253 AMAQI

19°C18/20°C

10th Aug 2026254 AMAQI
10th Aug 2026275 AMAQI
10th Aug 2026276 AMAQI
10th Aug 2026257 AMAQI
10th Aug 2026258 AMAQI
10th Aug 2026259 AMAQI
10th Aug 20262310 AMAQI
10th Aug 20262311 AMAQI
10th Aug 20262312 PMAQI
10th Aug 2026211 PMAQI
10th Aug 2026232 PMAQI
10th Aug 2026233 PMAQI
10th Aug 2026254 PMAQI
10th Aug 2026295 PMAQI
10th Aug 2026276 PMAQI
10th Aug 2026217 PMAQI
10th Aug 2026238 PMAQI
10th Aug 2026279 PMAQI
10th Aug 20262510 PMAQI
10th Aug 20262511 PMAQI
11th Aug 20262312 AMAQI
11th Aug 2026251 AMAQI
11th Aug 2026252 AMAQI
11th Aug 2026283 AMAQI

19°C18/20°C

11th Aug 2026234 AMAQI
11th Aug 2026285 AMAQI
11th Aug 2026266 AMAQI
11th Aug 2026267 AMAQI
11th Aug 2026258 AMAQI
11th Aug 2026279 AMAQI
11th Aug 20262710 AMAQI
11th Aug 20262711 AMAQI
11th Aug 20262712 PMAQI
11th Aug 2026291 PMAQI
11th Aug 2026292 PMAQI
11th Aug 2026293 PMAQI
11th Aug 2026294 PMAQI
11th Aug 2026275 PMAQI
11th Aug 2026276 PMAQI
11th Aug 2026277 PMAQI
11th Aug 2026258 PMAQI
11th Aug 2026279 PMAQI
11th Aug 20262810 PMAQI
11th Aug 20262811 PMAQI
12th Aug 20262612 AMAQI
12th Aug 2026301 AMAQI
12th Aug 2026362 AMAQI
12th Aug 2026263 AMAQI

20°C18/21°C

12th Aug 2026334 AMAQI
12th Aug 2026315 AMAQI
12th Aug 2026346 AMAQI
12th Aug 2026387 AMAQI
12th Aug 2026348 AMAQI
12th Aug 2026349 AMAQI
12th Aug 20263210 AMAQI
12th Aug 20263111 AMAQI
12th Aug 20262712 PMAQI
12th Aug 2026211 PMAQI
12th Aug 2026232 PMAQI
12th Aug 2026233 PMAQI
12th Aug 2026384 PMAQI
12th Aug 2026645 PMAQI
12th Aug 2026506 PMAQI
12th Aug 2026247 PMAQI
12th Aug 2026208 PMAQI
12th Aug 2026239 PMAQI
12th Aug 20262510 PMAQI
12th Aug 20262211 PMAQI
13th Aug 20262812 AMAQI
13th Aug 2026291 AMAQI
13th Aug 2026292 AMAQI
13th Aug 2026273 AMAQI

22°C20/24°C

13th Aug 2026204 AMAQI
13th Aug 2026185 AMAQI
13th Aug 2026206 AMAQI
13th Aug 2026237 AMAQI
13th Aug 2026298 AMAQI
13th Aug 2026389 AMAQI
13th Aug 20265610 AMAQI
13th Aug 20264411 AMAQI
13th Aug 20261912 PMAQI
13th Aug 2026231 PMAQI
13th Aug 2026382 PMAQI
13th Aug 2026383 PMAQI
13th Aug 2026254 PMAQI
13th Aug 2026245 PMAQI
13th Aug 2026266 PMAQI
13th Aug 2026247 PMAQI
13th Aug 2026258 PMAQI
13th Aug 2026309 PMAQI
13th Aug 20262610 PMAQI
13th Aug 20262611 PMAQI
14th Aug 20262312 AMAQI
14th Aug 2026241 AMAQI
14th Aug 2026252 AMAQI
14th Aug 2026223 AMAQI

23°C23/24°C

14th Aug 2026194 AMAQI
14th Aug 2026195 AMAQI
14th Aug 2026176 AMAQI
14th Aug 2026167 AMAQI
14th Aug 2026208 AMAQI
14th Aug 2026299 AMAQI
14th Aug 20263310 AMAQI
14th Aug 20263811 AMAQI
14th Aug 20263412 PMAQI
14th Aug 2026251 PMAQI
14th Aug 2026232 PMAQI
14th Aug 2026253 PMAQI
14th Aug 2026234 PMAQI
14th Aug 2026215 PMAQI
14th Aug 2026226 PMAQI
14th Aug 2026217 PMAQI
14th Aug 2026198 PMAQI
14th Aug 2026219 PMAQI
14th Aug 20262210 PMAQI
14th Aug 20262011 PMAQI
15th Aug 20262112 AMAQI
15th Aug 2026231 AMAQI
15th Aug 2026232 AMAQI
15th Aug 2026203 AMAQI

23°C22/23°C

15th Aug 2026204 AMAQI
15th Aug 2026205 AMAQI
15th Aug 2026206 AMAQI
15th Aug 2026227 AMAQI
15th Aug 2026218 AMAQI
15th Aug 2026239 AMAQI
15th Aug 20262710 AMAQI
15th Aug 20262711 AMAQI
15th Aug 20262112 PMAQI
15th Aug 2026211 PMAQI
15th Aug 2026242 PMAQI
15th Aug 2026243 PMAQI
15th Aug 2026244 PMAQI
15th Aug 2026265 PMAQI
15th Aug 2026266 PMAQI
15th Aug 2026277 PMAQI
15th Aug 2026238 PMAQI
15th Aug 2026259 PMAQI
15th Aug 20262710 PMAQI
15th Aug 20262511 PMAQI
16th Aug 20262512 AMAQI
16th Aug 2026251 AMAQI
16th Aug 2026232 AMAQI
16th Aug 2026213 AMAQI

23°C23/24°C

16th Aug 2026254 AMAQI
16th Aug 2026235 AMAQI
16th Aug 2026236 AMAQI
16th Aug 2026237 AMAQI
16th Aug 2026258 AMAQI
16th Aug 2026259 AMAQI
16th Aug 20262910 AMAQI
16th Aug 20264011 AMAQI
16th Aug 20264912 PMAQI
16th Aug 2026551 PMAQI
16th Aug 2026482 PMAQI
16th Aug 2026363 PMAQI
16th Aug 2026424 PMAQI
16th Aug 2026345 PMAQI
16th Aug 2026276 PMAQI
16th Aug 2026337 PMAQI
16th Aug 2026278 PMAQI
16th Aug 2026279 PMAQI
16th Aug 20262710 PMAQI
16th Aug 20262911 PMAQI
17th Aug 20262512 AMAQI
17th Aug 2026311 AMAQI
17th Aug 2026312 AMAQI
17th Aug 2026293 AMAQI

23°C22/24°C

17th Aug 2026274 AMAQI
17th Aug 2026235 AMAQI
17th Aug 2026236 AMAQI
17th Aug 2026257 AMAQI
17th Aug 2026238 AMAQI
17th Aug 2026249 AMAQI
17th Aug 20262410 AMAQI
17th Aug 20262811 AMAQI
17th Aug 20262212 PMAQI
17th Aug 2026211 PMAQI
17th Aug 2026422 PMAQI
17th Aug 2026273 PMAQI
17th Aug 2026214 PMAQI
17th Aug 2026235 PMAQI
17th Aug 2026216 PMAQI
17th Aug 2026257 PMAQI
17th Aug 2026258 PMAQI
17th Aug 2026239 PMAQI
17th Aug 20262910 PMAQI
17th Aug 20262511 PMAQI
18th Aug 20262512 AMAQI
18th Aug 2026291 AMAQI
18th Aug 2026312 AMAQI
18th Aug 2026273 AMAQI

11°C10/11°C

18th Aug 2026274 AMAQI
4 AM
18th Aug 2026255 AMAQI
18th Aug 2026216 AMAQI
18th Aug 2026217 AMAQI
18th Aug 2026238 AMAQI
18th Aug 2026219 AMAQI
18th Aug 20262110 AMAQI
18th Aug 20262111 AMAQI
11 AM
18th Aug 20262112 PMAQI
18th Aug 2026231 PMAQI
18th Aug 2026252 PMAQI
18th Aug 2026233 PMAQI
18th Aug 2026234 PMAQI
18th Aug 2026235 PMAQI
18th Aug 2026256 PMAQI
18th Aug 2026277 PMAQI
7 PM
18th Aug 2026318 PMAQI
18th Aug 2026259 PMAQI
18th Aug 20262310 PMAQI
18th Aug 20262511 PMAQI
11 PM
3 AM

23°C22/24°C

Day time
Avg. Highest Time
12 PM - 2 PM

30AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
5 AM - 6 AM

26AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 2 PM (Avg. 30), while the lowest AQI was between 5 AM to 6 AM (Avg. 26).
Night time
Avg. Highest Time
2 AM

28AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
12 AM

25AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 2 AM (Avg. 28), while the lowest AQI was between 12 AM to 12 AM (Avg. 25).

2026 Days Vs Air Quality

Senhoshi, Wakabadai, Hokkaido, Japan

2026

86%

198

14%

32

Total number of days with different AQI categories in last 230 days in 2026 (135 days remaining)

Good
198 Days
Moderate
32 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 86%

Health Risk Level:

Low

In 2026, 86% of 230 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

Senhoshi, Wakabadai, Hokkaido, 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
27AQI (US)
2nd January 2026
26AQI (US)
3rd January 2026
27AQI (US)
4th January 2026
32AQI (US)
5th January 2026
25AQI (US)
6th January 2026
31AQI (US)
7th January 2026
29AQI (US)
8th January 2026
33AQI (US)
9th January 2026
26AQI (US)
10th January 2026
32AQI (US)
11th January 2026
30AQI (US)
12th January 2026
26AQI (US)
13th January 2026
36AQI (US)
14th January 2026
40AQI (US)
15th January 2026
30AQI (US)
16th January 2026
35AQI (US)
17th January 2026
24AQI (US)
18th January 2026
22AQI (US)
19th January 2026
48AQI (US)
20th January 2026
32AQI (US)
21st January 2026
21AQI (US)
22nd January 2026
29AQI (US)
23rd January 2026
35AQI (US)
24th January 2026
33AQI (US)
25th January 2026
23AQI (US)
26th January 2026
49AQI (US)
27th January 2026
47AQI (US)
28th January 2026
19AQI (US)
29th January 2026
26AQI (US)
30th January 2026
51AQI (US)
31st January 2026
16AQI (US)
1st February 2026
15AQI (US)
2nd February 2026
35AQI (US)
3rd February 2026
32AQI (US)
4th February 2026
35AQI (US)
5th February 2026
31AQI (US)
6th February 2026
29AQI (US)
7th February 2026
23AQI (US)
8th February 2026
30AQI (US)
9th February 2026
46AQI (US)
10th February 2026
51AQI (US)
11th February 2026
62AQI (US)
12th February 2026
20AQI (US)
13th February 2026
23AQI (US)
14th February 2026
58AQI (US)
15th February 2026
45AQI (US)
16th February 2026
19AQI (US)
17th February 2026
18AQI (US)
18th February 2026
33AQI (US)
19th February 2026
36AQI (US)
20th February 2026
37AQI (US)
21st February 2026
58AQI (US)
22nd February 2026
54AQI (US)
23rd February 2026
32AQI (US)
24th February 2026
29AQI (US)
25th February 2026
44AQI (US)
26th February 2026
30AQI (US)
27th February 2026
34AQI (US)
28th February 2026
24AQI (US)
1st March 2026
34AQI (US)
2nd March 2026
45AQI (US)
3rd March 2026
45AQI (US)
4th March 2026
39AQI (US)
5th March 2026
50AQI (US)
6th March 2026
65AQI (US)
7th March 2026
32AQI (US)
8th March 2026
33AQI (US)
9th March 2026
45AQI (US)
10th March 2026
54AQI (US)
11th March 2026
59AQI (US)
12th March 2026
73AQI (US)
13th March 2026
42AQI (US)
14th March 2026
31AQI (US)
15th March 2026
39AQI (US)
16th March 2026
43AQI (US)
17th March 2026
41AQI (US)
18th March 2026
68AQI (US)
19th March 2026
50AQI (US)
20th March 2026
46AQI (US)
21st March 2026
36AQI (US)
22nd March 2026
69AQI (US)
23rd March 2026
54AQI (US)
24th March 2026
41AQI (US)
25th March 2026
37AQI (US)
26th March 2026
28AQI (US)
27th March 2026
38AQI (US)
28th March 2026
53AQI (US)
29th March 2026
69AQI (US)
30th March 2026
73AQI (US)
31st March 2026
39AQI (US)
1st April 2026
23AQI (US)
2nd April 2026
35AQI (US)
3rd April 2026
59AQI (US)
4th April 2026
63AQI (US)
5th April 2026
25AQI (US)
6th April 2026
22AQI (US)
7th April 2026
30AQI (US)
8th April 2026
22AQI (US)
9th April 2026
72AQI (US)
10th April 2026
42AQI (US)
11th April 2026
26AQI (US)
12th April 2026
29AQI (US)
13th April 2026
30AQI (US)
14th April 2026
36AQI (US)
15th April 2026
37AQI (US)
16th April 2026
32AQI (US)
17th April 2026
44AQI (US)
18th April 2026
36AQI (US)
19th April 2026
31AQI (US)
20th April 2026
29AQI (US)
21st April 2026
45AQI (US)
22nd April 2026
33AQI (US)
23rd April 2026
16AQI (US)
24th April 2026
33AQI (US)
25th April 2026
47AQI (US)
26th April 2026
45AQI (US)
27th April 2026
41AQI (US)
28th April 2026
30AQI (US)
29th April 2026
17AQI (US)
30th April 2026
39AQI (US)
1st May 2026
40AQI (US)
2nd May 2026
42AQI (US)
3rd May 2026
44AQI (US)
4th May 2026
31AQI (US)
5th May 2026
19AQI (US)
6th May 2026
75AQI (US)
7th May 2026
55AQI (US)
8th May 2026
22AQI (US)
9th May 2026
15AQI (US)
10th May 2026
29AQI (US)
11th May 2026
49AQI (US)
12th May 2026
38AQI (US)
13th May 2026
38AQI (US)
14th May 2026
30AQI (US)
15th May 2026
32AQI (US)
16th May 2026
78AQI (US)
17th May 2026
67AQI (US)
18th May 2026
57AQI (US)
19th May 2026
54AQI (US)
20th May 2026
63AQI (US)
21st May 2026
64AQI (US)
22nd May 2026
76AQI (US)
23rd May 2026
70AQI (US)
24th May 2026
69AQI (US)
25th May 2026
64AQI (US)
26th May 2026
46AQI (US)
27th May 2026
27AQI (US)
28th May 2026
27AQI (US)
29th May 2026
25AQI (US)
30th May 2026
23AQI (US)
31st May 2026
27AQI (US)
1st June 2026
26AQI (US)
2nd June 2026
47AQI (US)
3rd June 2026
52AQI (US)
4th June 2026
35AQI (US)
5th June 2026
24AQI (US)
6th June 2026
23AQI (US)
7th June 2026
21AQI (US)
8th June 2026
21AQI (US)
9th June 2026
24AQI (US)
10th June 2026
24AQI (US)
11th June 2026
25AQI (US)
12th June 2026
24AQI (US)
13th June 2026
25AQI (US)
14th June 2026
24AQI (US)
15th June 2026
22AQI (US)
16th June 2026
23AQI (US)
17th June 2026
23AQI (US)
18th June 2026
27AQI (US)
19th June 2026
27AQI (US)
20th June 2026
24AQI (US)
21st June 2026
22AQI (US)
22nd June 2026
20AQI (US)
23rd June 2026
23AQI (US)
24th June 2026
22AQI (US)
25th June 2026
28AQI (US)
26th June 2026
28AQI (US)
27th June 2026
28AQI (US)
28th June 2026
27AQI (US)
29th June 2026
23AQI (US)
30th June 2026
23AQI (US)
1st July 2026
25AQI (US)
2nd July 2026
25AQI (US)
3rd July 2026
26AQI (US)
4th July 2026
27AQI (US)
5th July 2026
24AQI (US)
6th July 2026
29AQI (US)
7th July 2026
24AQI (US)
8th July 2026
26AQI (US)
9th July 2026
26AQI (US)
10th July 2026
27AQI (US)
11th July 2026
29AQI (US)
12th July 2026
27AQI (US)
13th July 2026
24AQI (US)
14th July 2026
26AQI (US)
15th July 2026
26AQI (US)
16th July 2026
26AQI (US)
17th July 2026
26AQI (US)
18th July 2026
31AQI (US)
19th July 2026
29AQI (US)
20th July 2026
29AQI (US)
21st July 2026
29AQI (US)
22nd July 2026
26AQI (US)
23rd July 2026
23AQI (US)
24th July 2026
33AQI (US)
25th July 2026
24AQI (US)
26th July 2026
23AQI (US)
27th July 2026
23AQI (US)
28th July 2026
25AQI (US)
29th July 2026
24AQI (US)
30th July 2026
32AQI (US)
31st July 2026
28AQI (US)
1st August 2026
24AQI (US)
2nd August 2026
32AQI (US)
3rd August 2026
24AQI (US)
4th August 2026
33AQI (US)
5th August 2026
37AQI (US)
6th August 2026
34AQI (US)
7th August 2026
38AQI (US)
8th August 2026
28AQI (US)
9th August 2026
26AQI (US)
10th August 2026
25AQI (US)
11th August 2026
27AQI (US)
12th August 2026
31AQI (US)
13th August 2026
29AQI (US)
14th August 2026
23AQI (US)
15th August 2026
23AQI (US)
16th August 2026
31AQI (US)
17th August 2026
26AQI (US)
18th August 2026
24AQI (US)
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

31AQI (US)

35AQI (US)

47AQI (US)

36AQI (US)

45AQI (US)

26AQI (US)

27AQI (US)

29AQI (US)

No. of days

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

202635AQI (US)

30
1
23
5
21
10
27
3
19
12
29
1
31
18
198
32

Highest AQI (US) recorded in

March

47AQI (US)

Lowest AQI (US) recorded in

June

26AQI (US)

202544AQI (US)

1
28
2
14
13
1
23
8
18
12
29
2
29
1
31
31
30
26
5
21
9
27
4
280
82
3

Highest AQI (US) recorded in

January

69AQI (US)

Lowest AQI (US) recorded in

September

31AQI (US)

202436AQI (US)

25
6
25
2
27
4
21
9
25
6
29
1
25
6
31
26
1
31
24
6
25
6
314
45
2

Highest AQI (US) recorded in

April

44AQI (US)

Lowest AQI (US) recorded in

August

22AQI (US)

202335AQI (US)

31
12
16
8
21
19
10
1
25
6
28
27
4
30
1
30
28
3
27
2
30
1
295
64
1

Highest AQI (US) recorded in

March

52AQI (US)

Lowest AQI (US) recorded in

August

25AQI (US)

202234AQI (US)

13
4
22
8
19
10
29
1
24
1
28
1
29
2
27
3
26
1
218
30

Highest AQI (US) recorded in

April

46AQI (US)

Lowest AQI (US) recorded in

July

24AQI (US)

202129AQI (US)

30
1
26
2
24
5
16
3
28
3
28
2
28
3
29
2
28
29
1
29
26
321
22

Highest AQI (US) recorded in

April

34AQI (US)

Lowest AQI (US) recorded in

January

23AQI (US)

202026AQI (US)

9
4
21
16
2
27
3
31
31
18
1
29
27
3
29
2
238
15

Highest AQI (US) recorded in

March

37AQI (US)

Lowest AQI (US) recorded in

October

20AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
44AQI (US)
Least Polluted Year Recorded
2020(Avg.)
26AQI (US)

Senhoshi's annual 2026 AQI (US) (35) shows an average percentage change of 5.8% (worsened AQI (US)) compared to previous years: 2020 (26), 2021 (29), 2022 (34), 2023 (35), 2024 (36), 2025 (44).