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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Shiratori, Rifu, Miyagi, 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

Shiratori, Rifu, Miyagi, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
16th Aug 2023
58AQI
Lowest AQI recorded on
12th Aug 2023
12AQI

Same Day Analysis (14th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 24 of Good air quality, showing improvement over 2025 and 2024 on the same day.

Day & Night AQI Trend: 13th Aug - 14th Aug 2026

Shiratori, Rifu, Miyagi, Japan

AQI
Day
Night
.

4 AM13th Aug 2026

6 PM

3 AM14th Aug 2026

Day time
Avg. Highest Time
3PM13th Aug

31AQI

Avg. Lowest Time
10AM13th Aug

23AQI

Night time
Avg. Highest Time
7PM13th Aug

31AQI

Avg. Lowest Time
3AM14th Aug

25AQI

In the last 24 hours,

Shiratori's AQI reached its highest point of 31 at 3 PM during the Day, while the lowest point, 23, was recorded at 10 AM during the Day between 13th Aug and 14th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Shiratori, Rifu, Miyagi, Japan

JulAug
16th - 17th17th - 18th18th - 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
Day
Night
16th Jul 2026504 AMAQI
16th Jul 2026535 AMAQI
16th Jul 2026516 AMAQI
16th Jul 2026497 AMAQI
16th Jul 2026418 AMAQI
16th Jul 2026359 AMAQI
16th Jul 20263410 AMAQI
16th Jul 20264411 AMAQI
16th Jul 20265612 PMAQI
16th Jul 2026531 PMAQI
16th Jul 2026762 PMAQI
16th Jul 2026763 PMAQI
16th Jul 2026784 PMAQI
16th Jul 2026765 PMAQI
16th Jul 2026746 PMAQI
16th Jul 2026707 PMAQI
16th Jul 2026668 PMAQI
16th Jul 2026699 PMAQI
16th Jul 20266610 PMAQI
16th Jul 20266011 PMAQI
17th Jul 20266412 AMAQI
17th Jul 2026641 AMAQI
17th Jul 2026632 AMAQI
17th Jul 2026573 AMAQI

26°C23/30°C

17th Jul 2026584 AMAQI
17th Jul 2026575 AMAQI
17th Jul 2026536 AMAQI
17th Jul 2026537 AMAQI
17th Jul 2026488 AMAQI
17th Jul 2026469 AMAQI
17th Jul 20263610 AMAQI
17th Jul 20264611 AMAQI
17th Jul 20264212 PMAQI
17th Jul 2026401 PMAQI
17th Jul 2026292 PMAQI
17th Jul 2026293 PMAQI
17th Jul 2026294 PMAQI
17th Jul 2026295 PMAQI
17th Jul 2026216 PMAQI
17th Jul 2026177 PMAQI
17th Jul 2026128 PMAQI
17th Jul 2026129 PMAQI
17th Jul 20261110 PMAQI
17th Jul 20261211 PMAQI
18th Jul 20261212 AMAQI
18th Jul 2026131 AMAQI
18th Jul 2026122 AMAQI
18th Jul 2026123 AMAQI

23°C22/24°C

18th Jul 202664 AMAQI
18th Jul 202685 AMAQI
18th Jul 202686 AMAQI
18th Jul 202687 AMAQI
18th Jul 202688 AMAQI
18th Jul 202689 AMAQI
18th Jul 2026810 AMAQI
18th Jul 2026811 AMAQI
18th Jul 2026812 PMAQI
18th Jul 2026121 PMAQI
18th Jul 2026102 PMAQI
18th Jul 2026123 PMAQI
18th Jul 202674 PMAQI
18th Jul 2026145 PMAQI
18th Jul 2026126 PMAQI
18th Jul 2026107 PMAQI
18th Jul 202698 PMAQI
18th Jul 202689 PMAQI
18th Jul 2026810 PMAQI
18th Jul 20261211 PMAQI
19th Jul 2026912 AMAQI
19th Jul 2026111 AMAQI
19th Jul 202682 AMAQI
19th Jul 202663 AMAQI

23°C22/24°C

19th Jul 202684 AMAQI
19th Jul 2026165 AMAQI
19th Jul 2026256 AMAQI
19th Jul 2026237 AMAQI
19th Jul 2026258 AMAQI
19th Jul 2026259 AMAQI
19th Jul 20262710 AMAQI
19th Jul 20262111 AMAQI
19th Jul 20262512 PMAQI
19th Jul 2026291 PMAQI
19th Jul 2026292 PMAQI
19th Jul 2026293 PMAQI
19th Jul 2026254 PMAQI
19th Jul 2026275 PMAQI
19th Jul 2026216 PMAQI
19th Jul 2026217 PMAQI
19th Jul 2026218 PMAQI
19th Jul 2026219 PMAQI
19th Jul 20262110 PMAQI
19th Jul 20262111 PMAQI
20th Jul 20262112 AMAQI
20th Jul 2026211 AMAQI
20th Jul 2026212 AMAQI
20th Jul 2026213 AMAQI

24°C22/28°C

20th Jul 2026214 AMAQI
20th Jul 2026215 AMAQI
20th Jul 2026216 AMAQI
20th Jul 2026217 AMAQI
20th Jul 2026218 AMAQI
20th Jul 2026219 AMAQI
20th Jul 20262310 AMAQI
20th Jul 20262911 AMAQI
20th Jul 20263312 PMAQI
20th Jul 2026581 PMAQI
20th Jul 2026572 PMAQI
20th Jul 2026633 PMAQI
20th Jul 2026644 PMAQI
20th Jul 2026625 PMAQI
20th Jul 2026556 PMAQI
20th Jul 2026627 PMAQI
20th Jul 2026638 PMAQI
20th Jul 2026589 PMAQI
20th Jul 20265910 PMAQI
20th Jul 20265811 PMAQI
21st Jul 20264912 AMAQI
21st Jul 2026501 AMAQI
21st Jul 2026502 AMAQI
21st Jul 2026403 AMAQI

27°C23/32°C

21st Jul 2026364 AMAQI
21st Jul 2026365 AMAQI
21st Jul 2026386 AMAQI
21st Jul 2026467 AMAQI
21st Jul 2026498 AMAQI
21st Jul 2026529 AMAQI
21st Jul 20266010 AMAQI
21st Jul 20266011 AMAQI
21st Jul 2026761 PMAQI
21st Jul 2026802 PMAQI
21st Jul 2026763 PMAQI
21st Jul 2026664 PMAQI
21st Jul 2026645 PMAQI
21st Jul 2026706 PMAQI
21st Jul 2026987 PMAQI
21st Jul 2026678 PMAQI
21st Jul 2026709 PMAQI
21st Jul 20267810 PMAQI
21st Jul 20267811 PMAQI
22nd Jul 20267612 AMAQI
22nd Jul 2026561 AMAQI
22nd Jul 2026362 AMAQI
22nd Jul 2026363 AMAQI

27°C23/31°C

22nd Jul 2026304 AMAQI
22nd Jul 2026265 AMAQI
22nd Jul 2026256 AMAQI
22nd Jul 2026287 AMAQI
22nd Jul 2026348 AMAQI
22nd Jul 2026429 AMAQI
22nd Jul 20265510 AMAQI
22nd Jul 20266211 AMAQI
22nd Jul 20266912 PMAQI
22nd Jul 2026821 PMAQI
22nd Jul 2026722 PMAQI
22nd Jul 2026553 PMAQI
22nd Jul 2026564 PMAQI
22nd Jul 2026645 PMAQI
22nd Jul 2026686 PMAQI
22nd Jul 2026767 PMAQI
22nd Jul 2026768 PMAQI
22nd Jul 2026729 PMAQI
22nd Jul 20266910 PMAQI
22nd Jul 20266511 PMAQI
23rd Jul 20266012 AMAQI
23rd Jul 2026511 AMAQI
23rd Jul 2026322 AMAQI
23rd Jul 2026293 AMAQI

28°C24/32°C

23rd Jul 2026254 AMAQI
23rd Jul 2026215 AMAQI
23rd Jul 2026196 AMAQI
23rd Jul 2026107 AMAQI
23rd Jul 2026108 AMAQI
23rd Jul 2026129 AMAQI
23rd Jul 20261410 AMAQI
23rd Jul 20262311 AMAQI
23rd Jul 20263112 PMAQI
23rd Jul 2026291 PMAQI
23rd Jul 2026212 PMAQI
23rd Jul 2026173 PMAQI
23rd Jul 2026194 PMAQI
23rd Jul 2026195 PMAQI
23rd Jul 2026236 PMAQI
23rd Jul 2026257 PMAQI
23rd Jul 2026278 PMAQI
23rd Jul 2026279 PMAQI
23rd Jul 20262710 PMAQI
23rd Jul 20262311 PMAQI
24th Jul 20262112 AMAQI
24th Jul 2026191 AMAQI
24th Jul 2026192 AMAQI
24th Jul 2026193 AMAQI

25°C22/31°C

24th Jul 2026214 AMAQI
24th Jul 2026215 AMAQI
24th Jul 2026236 AMAQI
24th Jul 2026257 AMAQI
24th Jul 2026258 AMAQI
24th Jul 2026239 AMAQI
24th Jul 20262910 AMAQI
24th Jul 20263811 AMAQI
24th Jul 20263112 PMAQI
24th Jul 2026271 PMAQI
24th Jul 2026252 PMAQI
24th Jul 2026273 PMAQI
24th Jul 2026254 PMAQI
24th Jul 2026235 PMAQI
24th Jul 2026236 PMAQI
24th Jul 2026257 PMAQI
24th Jul 2026258 PMAQI
24th Jul 2026239 PMAQI
24th Jul 20262310 PMAQI
24th Jul 20262111 PMAQI
25th Jul 20262312 AMAQI
25th Jul 2026211 AMAQI
25th Jul 2026212 AMAQI
25th Jul 2026213 AMAQI

22°C21/23°C

25th Jul 2026214 AMAQI
25th Jul 2026235 AMAQI
25th Jul 2026296 AMAQI
25th Jul 2026237 AMAQI
25th Jul 2026258 AMAQI
25th Jul 2026259 AMAQI
25th Jul 20262910 AMAQI
25th Jul 20262511 AMAQI
25th Jul 20262312 PMAQI
25th Jul 2026211 PMAQI
25th Jul 2026232 PMAQI
25th Jul 2026293 PMAQI
25th Jul 2026294 PMAQI
25th Jul 2026255 PMAQI
25th Jul 2026256 PMAQI
25th Jul 2026217 PMAQI
25th Jul 2026238 PMAQI
25th Jul 2026279 PMAQI
25th Jul 20262710 PMAQI
25th Jul 20262711 PMAQI
26th Jul 20262312 AMAQI
26th Jul 2026161 AMAQI
26th Jul 2026252 AMAQI
26th Jul 2026213 AMAQI

22°C21/23°C

26th Jul 2026194 AMAQI
26th Jul 2026255 AMAQI
26th Jul 2026236 AMAQI
26th Jul 2026257 AMAQI
26th Jul 2026258 AMAQI
26th Jul 2026299 AMAQI
26th Jul 20262510 AMAQI
26th Jul 20262511 AMAQI
26th Jul 20262512 PMAQI
26th Jul 2026251 PMAQI
26th Jul 2026252 PMAQI
26th Jul 2026253 PMAQI
26th Jul 2026254 PMAQI
26th Jul 2026255 PMAQI
26th Jul 2026256 PMAQI
26th Jul 2026257 PMAQI
26th Jul 2026258 PMAQI
26th Jul 2026259 PMAQI
26th Jul 20262910 PMAQI
26th Jul 20262911 PMAQI
27th Jul 20262512 AMAQI
27th Jul 2026231 AMAQI
27th Jul 2026232 AMAQI
27th Jul 2026233 AMAQI

21°C20/21°C

27th Jul 2026274 AMAQI
27th Jul 2026255 AMAQI
27th Jul 2026256 AMAQI
27th Jul 2026237 AMAQI
27th Jul 2026278 AMAQI
27th Jul 2026279 AMAQI
27th Jul 20262310 AMAQI
27th Jul 20262711 AMAQI
27th Jul 20262312 PMAQI
27th Jul 2026231 PMAQI
27th Jul 2026272 PMAQI
27th Jul 2026333 PMAQI
27th Jul 2026304 PMAQI
27th Jul 2026215 PMAQI
27th Jul 2026216 PMAQI
27th Jul 2026217 PMAQI
27th Jul 2026218 PMAQI
27th Jul 2026239 PMAQI
27th Jul 20262110 PMAQI
27th Jul 20262111 PMAQI
28th Jul 20262312 AMAQI
28th Jul 2026211 AMAQI
28th Jul 2026212 AMAQI
28th Jul 2026253 AMAQI

21°C19/23°C

28th Jul 2026254 AMAQI
28th Jul 2026255 AMAQI
28th Jul 2026256 AMAQI
28th Jul 2026237 AMAQI
28th Jul 2026238 AMAQI
28th Jul 2026259 AMAQI
28th Jul 20262510 AMAQI
28th Jul 20262511 AMAQI
28th Jul 20262312 PMAQI
28th Jul 2026251 PMAQI
28th Jul 2026272 PMAQI
28th Jul 2026253 PMAQI
28th Jul 2026234 PMAQI
28th Jul 2026215 PMAQI
28th Jul 2026236 PMAQI
28th Jul 2026257 PMAQI
28th Jul 2026258 PMAQI
28th Jul 2026279 PMAQI
28th Jul 20262310 PMAQI
28th Jul 20262311 PMAQI
29th Jul 20262312 AMAQI
29th Jul 2026251 AMAQI
29th Jul 2026232 AMAQI
29th Jul 2026233 AMAQI

21°C19/23°C

29th Jul 2026214 AMAQI
29th Jul 2026215 AMAQI
29th Jul 2026216 AMAQI
29th Jul 2026217 AMAQI
29th Jul 2026238 AMAQI
29th Jul 2026239 AMAQI
29th Jul 20262310 AMAQI
29th Jul 20262111 AMAQI
29th Jul 20262312 PMAQI
29th Jul 2026251 PMAQI
29th Jul 2026252 PMAQI
29th Jul 2026273 PMAQI
29th Jul 2026334 PMAQI
29th Jul 2026235 PMAQI
29th Jul 2026236 PMAQI
29th Jul 2026237 PMAQI
29th Jul 2026218 PMAQI
29th Jul 2026219 PMAQI
29th Jul 20262310 PMAQI
29th Jul 20262311 PMAQI
30th Jul 20262112 AMAQI
30th Jul 2026251 AMAQI
30th Jul 2026252 AMAQI
30th Jul 2026233 AMAQI

24°C21/27°C

30th Jul 2026234 AMAQI
30th Jul 2026235 AMAQI
30th Jul 2026296 AMAQI
30th Jul 2026277 AMAQI
30th Jul 2026258 AMAQI
30th Jul 2026279 AMAQI
30th Jul 20262710 AMAQI
30th Jul 20262511 AMAQI
30th Jul 20262312 PMAQI
30th Jul 2026231 PMAQI
30th Jul 2026252 PMAQI
30th Jul 2026293 PMAQI
30th Jul 2026294 PMAQI
30th Jul 2026255 PMAQI
30th Jul 2026276 PMAQI
30th Jul 2026257 PMAQI
30th Jul 2026258 PMAQI
30th Jul 2026219 PMAQI
30th Jul 20262110 PMAQI
30th Jul 20262111 PMAQI
31st Jul 20262312 AMAQI
31st Jul 2026211 AMAQI
31st Jul 2026212 AMAQI
31st Jul 2026213 AMAQI

25°C21/30°C

31st Jul 2026234 AMAQI
31st Jul 2026235 AMAQI
31st Jul 2026236 AMAQI
31st Jul 2026237 AMAQI
31st Jul 2026218 AMAQI
31st Jul 2026239 AMAQI
31st Jul 20262710 AMAQI
31st Jul 20262911 AMAQI
31st Jul 20262512 PMAQI
31st Jul 2026231 PMAQI
31st Jul 2026232 PMAQI
31st Jul 2026253 PMAQI
31st Jul 2026254 PMAQI
31st Jul 2026235 PMAQI
31st Jul 2026296 PMAQI
31st Jul 2026237 PMAQI
31st Jul 2026238 PMAQI
31st Jul 2026239 PMAQI
31st Jul 20262510 PMAQI
31st Jul 20262511 PMAQI
1st Aug 20262112 AMAQI
1st Aug 2026231 AMAQI
1st Aug 2026272 AMAQI
1st Aug 2026273 AMAQI

24°C22/27°C

1st Aug 2026214 AMAQI
1st Aug 2026235 AMAQI
1st Aug 2026216 AMAQI
1st Aug 2026277 AMAQI
1st Aug 2026318 AMAQI
1st Aug 2026259 AMAQI
1st Aug 20262510 AMAQI
1st Aug 20262711 AMAQI
1st Aug 20262512 PMAQI
1st Aug 2026251 PMAQI
1st Aug 2026272 PMAQI
1st Aug 2026273 PMAQI
1st Aug 2026274 PMAQI
1st Aug 2026275 PMAQI
1st Aug 2026256 PMAQI
1st Aug 2026237 PMAQI
1st Aug 2026238 PMAQI
1st Aug 2026259 PMAQI
1st Aug 20262510 PMAQI
1st Aug 20262511 PMAQI
2nd Aug 20262512 AMAQI
2nd Aug 2026251 AMAQI
2nd Aug 2026252 AMAQI
2nd Aug 2026343 AMAQI

23°C22/26°C

2nd Aug 2026334 AMAQI
2nd Aug 2026295 AMAQI
2nd Aug 2026386 AMAQI
2nd Aug 2026317 AMAQI
2nd Aug 2026298 AMAQI
2nd Aug 2026239 AMAQI
2nd Aug 20261710 AMAQI
2nd Aug 20261911 AMAQI
2nd Aug 20261412 PMAQI
2nd Aug 2026121 PMAQI
2nd Aug 2026142 PMAQI
2nd Aug 2026143 PMAQI
2nd Aug 2026174 PMAQI
2nd Aug 2026195 PMAQI
2nd Aug 2026256 PMAQI
2nd Aug 2026237 PMAQI
2nd Aug 2026238 PMAQI
2nd Aug 2026219 PMAQI
2nd Aug 20262110 PMAQI
2nd Aug 20262311 PMAQI
3rd Aug 20262712 AMAQI
3rd Aug 2026251 AMAQI
3rd Aug 2026252 AMAQI
3rd Aug 2026253 AMAQI

21°C20/22°C

3rd Aug 2026254 AMAQI
3rd Aug 2026275 AMAQI
3rd Aug 2026296 AMAQI
3rd Aug 2026257 AMAQI
3rd Aug 2026258 AMAQI
3rd Aug 2026259 AMAQI
3rd Aug 20262510 AMAQI
3rd Aug 20262311 AMAQI
3rd Aug 20262312 PMAQI
3rd Aug 2026251 PMAQI
3rd Aug 2026252 PMAQI
3rd Aug 2026253 PMAQI
3rd Aug 2026254 PMAQI
3rd Aug 2026255 PMAQI
3rd Aug 2026256 PMAQI
3rd Aug 2026257 PMAQI
3rd Aug 2026258 PMAQI
3rd Aug 2026239 PMAQI
3rd Aug 20262310 PMAQI
3rd Aug 20262111 PMAQI
4th Aug 20262112 AMAQI
4th Aug 2026211 AMAQI
4th Aug 2026232 AMAQI
4th Aug 2026213 AMAQI

21°C19/22°C

4th Aug 2026214 AMAQI
4th Aug 2026215 AMAQI
4th Aug 2026216 AMAQI
4th Aug 2026217 AMAQI
4th Aug 2026218 AMAQI
4th Aug 2026219 AMAQI
4th Aug 20262310 AMAQI
4th Aug 20263811 AMAQI
4th Aug 20265112 PMAQI
4th Aug 2026401 PMAQI
4th Aug 2026232 PMAQI
4th Aug 2026213 PMAQI
4th Aug 2026254 PMAQI
4th Aug 2026295 PMAQI
4th Aug 2026216 PMAQI
4th Aug 2026257 PMAQI
4th Aug 2026258 PMAQI
4th Aug 2026239 PMAQI
4th Aug 20262510 PMAQI
4th Aug 20262511 PMAQI
5th Aug 20262512 AMAQI
5th Aug 2026251 AMAQI
5th Aug 2026252 AMAQI
5th Aug 2026253 AMAQI

21°C20/24°C

5th Aug 2026254 AMAQI
5th Aug 2026255 AMAQI
5th Aug 2026256 AMAQI
5th Aug 2026257 AMAQI
5th Aug 2026258 AMAQI
5th Aug 2026279 AMAQI
5th Aug 20262510 AMAQI
5th Aug 20262511 AMAQI
5th Aug 20262712 PMAQI
5th Aug 2026291 PMAQI
5th Aug 2026312 PMAQI
5th Aug 2026273 PMAQI
5th Aug 2026274 PMAQI
5th Aug 2026295 PMAQI
5th Aug 2026256 PMAQI
5th Aug 2026277 PMAQI
5th Aug 2026278 PMAQI
5th Aug 2026259 PMAQI
5th Aug 20262710 PMAQI
5th Aug 20262511 PMAQI
6th Aug 20262312 AMAQI
6th Aug 2026211 AMAQI
6th Aug 2026232 AMAQI
6th Aug 2026213 AMAQI

22°C19/25°C

6th Aug 2026214 AMAQI
6th Aug 2026215 AMAQI
6th Aug 2026216 AMAQI
6th Aug 2026217 AMAQI
6th Aug 2026238 AMAQI
6th Aug 2026239 AMAQI
6th Aug 20262310 AMAQI
6th Aug 20262311 AMAQI
6th Aug 20262512 PMAQI
6th Aug 2026231 PMAQI
6th Aug 2026252 PMAQI
6th Aug 2026233 PMAQI
6th Aug 2026254 PMAQI
6th Aug 2026215 PMAQI
6th Aug 2026216 PMAQI
6th Aug 2026217 PMAQI
6th Aug 2026218 PMAQI
6th Aug 2026219 PMAQI
6th Aug 20262110 PMAQI
6th Aug 20262111 PMAQI
7th Aug 20262312 AMAQI
7th Aug 2026231 AMAQI
7th Aug 2026212 AMAQI
7th Aug 2026213 AMAQI

24°C21/28°C

7th Aug 2026234 AMAQI
7th Aug 2026255 AMAQI
7th Aug 2026276 AMAQI
7th Aug 2026277 AMAQI
7th Aug 2026278 AMAQI
7th Aug 2026319 AMAQI
7th Aug 20262910 AMAQI
7th Aug 20262911 AMAQI
7th Aug 20263812 PMAQI
7th Aug 2026421 PMAQI
7th Aug 2026312 PMAQI
7th Aug 2026333 PMAQI
7th Aug 2026334 PMAQI
7th Aug 2026365 PMAQI
7th Aug 2026366 PMAQI
7th Aug 2026387 PMAQI
7th Aug 2026408 PMAQI
7th Aug 2026409 PMAQI
7th Aug 20264210 PMAQI
7th Aug 20264011 PMAQI
8th Aug 20263812 AMAQI
8th Aug 2026361 AMAQI
8th Aug 2026382 AMAQI
8th Aug 2026363 AMAQI

26°C23/29°C

8th Aug 2026334 AMAQI
8th Aug 2026315 AMAQI
8th Aug 2026316 AMAQI
8th Aug 2026277 AMAQI
8th Aug 2026258 AMAQI
8th Aug 2026259 AMAQI
8th Aug 20262510 AMAQI
8th Aug 20262911 AMAQI
8th Aug 20263112 PMAQI
8th Aug 2026311 PMAQI
8th Aug 2026382 PMAQI
8th Aug 2026383 PMAQI
8th Aug 2026384 PMAQI
8th Aug 2026365 PMAQI
8th Aug 2026346 PMAQI
8th Aug 2026297 PMAQI
8th Aug 2026318 PMAQI
8th Aug 2026279 PMAQI
8th Aug 20262510 PMAQI
8th Aug 20262511 PMAQI
9th Aug 20262512 AMAQI
9th Aug 2026231 AMAQI
9th Aug 2026232 AMAQI
9th Aug 2026213 AMAQI

25°C23/29°C

9th Aug 2026214 AMAQI
9th Aug 2026215 AMAQI
9th Aug 2026256 AMAQI
9th Aug 2026237 AMAQI
9th Aug 2026258 AMAQI
9th Aug 2026259 AMAQI
9th Aug 20262310 AMAQI
9th Aug 20262311 AMAQI
9th Aug 20262312 PMAQI
9th Aug 2026211 PMAQI
9th Aug 2026212 PMAQI
9th Aug 2026213 PMAQI
9th Aug 2026254 PMAQI
9th Aug 2026215 PMAQI
9th Aug 2026216 PMAQI
9th Aug 2026257 PMAQI
9th Aug 2026238 PMAQI
9th Aug 2026239 PMAQI
9th Aug 20262110 PMAQI
9th Aug 20262511 PMAQI
10th Aug 20262112 AMAQI
10th Aug 2026231 AMAQI
10th Aug 2026232 AMAQI
10th Aug 2026213 AMAQI

24°C23/26°C

10th Aug 2026214 AMAQI
10th Aug 2026215 AMAQI
10th Aug 2026236 AMAQI
10th Aug 2026217 AMAQI
10th Aug 2026238 AMAQI
10th Aug 2026219 AMAQI
10th Aug 20262110 AMAQI
10th Aug 20262111 AMAQI
10th Aug 20262112 PMAQI
10th Aug 2026211 PMAQI
10th Aug 2026232 PMAQI
10th Aug 2026233 PMAQI
10th Aug 2026254 PMAQI
10th Aug 2026255 PMAQI
10th Aug 2026256 PMAQI
10th Aug 2026277 PMAQI
10th Aug 2026258 PMAQI
10th Aug 2026299 PMAQI
10th Aug 20263110 PMAQI
10th Aug 20262911 PMAQI
11th Aug 20263312 AMAQI
11th Aug 2026311 AMAQI
11th Aug 2026382 AMAQI
11th Aug 2026363 AMAQI

22°C20/24°C

11th Aug 2026404 AMAQI
11th Aug 2026405 AMAQI
11th Aug 2026386 AMAQI
11th Aug 2026387 AMAQI
11th Aug 2026318 AMAQI
11th Aug 2026339 AMAQI
11th Aug 20263110 AMAQI
11th Aug 20262911 AMAQI
11th Aug 20262512 PMAQI
11th Aug 2026251 PMAQI
11th Aug 2026232 PMAQI
11th Aug 2026233 PMAQI
11th Aug 2026214 PMAQI
11th Aug 2026215 PMAQI
11th Aug 2026236 PMAQI
11th Aug 2026277 PMAQI
11th Aug 2026298 PMAQI
11th Aug 2026299 PMAQI
11th Aug 20262910 PMAQI
11th Aug 20262911 PMAQI
12th Aug 20262712 AMAQI
12th Aug 2026291 AMAQI
12th Aug 2026272 AMAQI
12th Aug 2026293 AMAQI

21°C19/23°C

12th Aug 2026274 AMAQI
12th Aug 2026275 AMAQI
12th Aug 2026276 AMAQI
12th Aug 2026257 AMAQI
12th Aug 2026278 AMAQI
12th Aug 2026279 AMAQI
12th Aug 20262710 AMAQI
12th Aug 20262511 AMAQI
12th Aug 20262712 PMAQI
12th Aug 2026291 PMAQI
12th Aug 2026292 PMAQI
12th Aug 2026293 PMAQI
12th Aug 2026274 PMAQI
12th Aug 2026275 PMAQI
12th Aug 2026276 PMAQI
12th Aug 2026297 PMAQI
12th Aug 2026298 PMAQI
12th Aug 2026299 PMAQI
12th Aug 20262710 PMAQI
12th Aug 20262511 PMAQI
13th Aug 20262712 AMAQI
13th Aug 2026271 AMAQI
13th Aug 2026252 AMAQI
13th Aug 2026253 AMAQI

23°C21/26°C

13th Aug 2026294 AMAQI
13th Aug 2026295 AMAQI
13th Aug 2026256 AMAQI
13th Aug 2026237 AMAQI
13th Aug 2026258 AMAQI
13th Aug 2026259 AMAQI
13th Aug 20262310 AMAQI
13th Aug 20262511 AMAQI
13th Aug 20262712 PMAQI
13th Aug 2026291 PMAQI
13th Aug 2026292 PMAQI
13th Aug 2026313 PMAQI
13th Aug 2026294 PMAQI
13th Aug 2026315 PMAQI
13th Aug 2026316 PMAQI
13th Aug 2026317 PMAQI
13th Aug 2026318 PMAQI
13th Aug 2026319 PMAQI
13th Aug 20262910 PMAQI
13th Aug 20263111 PMAQI
14th Aug 20262912 AMAQI
14th Aug 2026271 AMAQI
14th Aug 2026272 AMAQI
14th Aug 2026253 AMAQI

24°C22/27°C

14th Aug 2026234 AMAQI
4 AM
14th Aug 2026235 AMAQI
14th Aug 2026216 AMAQI
14th Aug 2026217 AMAQI
14th Aug 2026198 AMAQI
14th Aug 2026199 AMAQI
14th Aug 20261910 AMAQI
14th Aug 20262111 AMAQI
11 AM
14th Aug 20262312 PMAQI
14th Aug 2026231 PMAQI
14th Aug 2026232 PMAQI
14th Aug 2026253 PMAQI
14th Aug 2026274 PMAQI
14th Aug 2026255 PMAQI
14th Aug 2026256 PMAQI
6 PM
14th Aug 2026277 PMAQI
14th Aug 2026298 PMAQI
14th Aug 2026279 PMAQI
14th Aug 20262510 PMAQI
14th Aug 20262511 PMAQI
11 PM
3 AM

24°C22/27°C

Day time
Avg. Highest Time
1 PM

32AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
4 AM - 5 AM

26AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 1 PM (Avg. 32), while the lowest AQI was between 4 AM to 5 AM (Avg. 26).
Night time
Avg. Highest Time
7 PM

31AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
2 AM - 3 AM

27AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 7 PM (Avg. 31), while the lowest AQI was between 2 AM to 3 AM (Avg. 27).

2026 Days Vs Air Quality

Shiratori, Rifu, Miyagi, Japan

2026

85%

193

15%

33

Total number of days with different AQI categories in last 226 days in 2026 (139 days remaining)

Good
193 Days
Moderate
33 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 85%

Health Risk Level:

Low

In 2026, 85% of 226 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

Shiratori, Rifu, Miyagi, 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
18AQI (US)
2nd January 2026
17AQI (US)
3rd January 2026
18AQI (US)
4th January 2026
17AQI (US)
5th January 2026
21AQI (US)
6th January 2026
22AQI (US)
7th January 2026
28AQI (US)
8th January 2026
25AQI (US)
9th January 2026
22AQI (US)
10th January 2026
27AQI (US)
11th January 2026
24AQI (US)
12th January 2026
19AQI (US)
13th January 2026
18AQI (US)
14th January 2026
17AQI (US)
15th January 2026
26AQI (US)
16th January 2026
35AQI (US)
17th January 2026
36AQI (US)
18th January 2026
24AQI (US)
19th January 2026
30AQI (US)
20th January 2026
25AQI (US)
21st January 2026
16AQI (US)
22nd January 2026
20AQI (US)
23rd January 2026
33AQI (US)
24th January 2026
34AQI (US)
25th January 2026
40AQI (US)
26th January 2026
27AQI (US)
27th January 2026
31AQI (US)
28th January 2026
31AQI (US)
29th January 2026
24AQI (US)
30th January 2026
38AQI (US)
31st January 2026
43AQI (US)
1st February 2026
34AQI (US)
2nd February 2026
37AQI (US)
3rd February 2026
31AQI (US)
4th February 2026
34AQI (US)
5th February 2026
43AQI (US)
6th February 2026
36AQI (US)
7th February 2026
23AQI (US)
8th February 2026
24AQI (US)
9th February 2026
40AQI (US)
10th February 2026
47AQI (US)
11th February 2026
61AQI (US)
12th February 2026
33AQI (US)
13th February 2026
34AQI (US)
14th February 2026
65AQI (US)
15th February 2026
49AQI (US)
16th February 2026
43AQI (US)
17th February 2026
25AQI (US)
18th February 2026
37AQI (US)
19th February 2026
29AQI (US)
20th February 2026
36AQI (US)
21st February 2026
45AQI (US)
22nd February 2026
42AQI (US)
23rd February 2026
45AQI (US)
24th February 2026
42AQI (US)
25th February 2026
43AQI (US)
26th February 2026
42AQI (US)
27th February 2026
40AQI (US)
28th February 2026
33AQI (US)
1st March 2026
37AQI (US)
2nd March 2026
66AQI (US)
3rd March 2026
51AQI (US)
4th March 2026
64AQI (US)
5th March 2026
61AQI (US)
6th March 2026
55AQI (US)
7th March 2026
43AQI (US)
8th March 2026
42AQI (US)
9th March 2026
44AQI (US)
10th March 2026
55AQI (US)
11th March 2026
54AQI (US)
12th March 2026
61AQI (US)
13th March 2026
39AQI (US)
14th March 2026
47AQI (US)
15th March 2026
57AQI (US)
16th March 2026
55AQI (US)
17th March 2026
52AQI (US)
18th March 2026
55AQI (US)
19th March 2026
33AQI (US)
20th March 2026
40AQI (US)
21st March 2026
47AQI (US)
22nd March 2026
45AQI (US)
23rd March 2026
51AQI (US)
24th March 2026
65AQI (US)
25th March 2026
61AQI (US)
26th March 2026
35AQI (US)
27th March 2026
26AQI (US)
28th March 2026
48AQI (US)
29th March 2026
53AQI (US)
30th March 2026
59AQI (US)
31st March 2026
47AQI (US)
1st April 2026
33AQI (US)
2nd April 2026
27AQI (US)
3rd April 2026
48AQI (US)
4th April 2026
52AQI (US)
5th April 2026
38AQI (US)
6th April 2026
22AQI (US)
7th April 2026
27AQI (US)
8th April 2026
23AQI (US)
9th April 2026
34AQI (US)
10th April 2026
52AQI (US)
11th April 2026
25AQI (US)
12th April 2026
19AQI (US)
13th April 2026
32AQI (US)
14th April 2026
36AQI (US)
15th April 2026
40AQI (US)
16th April 2026
28AQI (US)
17th April 2026
35AQI (US)
18th April 2026
35AQI (US)
19th April 2026
36AQI (US)
20th April 2026
33AQI (US)
21st April 2026
40AQI (US)
22nd April 2026
49AQI (US)
23rd April 2026
32AQI (US)
24th April 2026
27AQI (US)
25th April 2026
26AQI (US)
26th April 2026
46AQI (US)
27th April 2026
44AQI (US)
28th April 2026
39AQI (US)
29th April 2026
31AQI (US)
30th April 2026
38AQI (US)
1st May 2026
49AQI (US)
2nd May 2026
52AQI (US)
3rd May 2026
39AQI (US)
4th May 2026
30AQI (US)
5th May 2026
23AQI (US)
6th May 2026
30AQI (US)
7th May 2026
30AQI (US)
8th May 2026
27AQI (US)
9th May 2026
28AQI (US)
10th May 2026
31AQI (US)
11th May 2026
30AQI (US)
12th May 2026
34AQI (US)
13th May 2026
40AQI (US)
14th May 2026
34AQI (US)
15th May 2026
34AQI (US)
16th May 2026
84AQI (US)
17th May 2026
67AQI (US)
18th May 2026
53AQI (US)
19th May 2026
49AQI (US)
20th May 2026
61AQI (US)
21st May 2026
59AQI (US)
22nd May 2026
62AQI (US)
23rd May 2026
54AQI (US)
24th May 2026
59AQI (US)
25th May 2026
48AQI (US)
26th May 2026
39AQI (US)
27th May 2026
26AQI (US)
28th May 2026
24AQI (US)
29th May 2026
23AQI (US)
30th May 2026
23AQI (US)
31st May 2026
27AQI (US)
1st June 2026
28AQI (US)
2nd June 2026
32AQI (US)
3rd June 2026
20AQI (US)
4th June 2026
12AQI (US)
5th June 2026
21AQI (US)
6th June 2026
20AQI (US)
7th June 2026
20AQI (US)
8th June 2026
20AQI (US)
9th June 2026
22AQI (US)
10th June 2026
22AQI (US)
11th June 2026
23AQI (US)
12th June 2026
24AQI (US)
13th June 2026
26AQI (US)
14th June 2026
23AQI (US)
15th June 2026
22AQI (US)
16th June 2026
17AQI (US)
17th June 2026
24AQI (US)
18th June 2026
25AQI (US)
19th June 2026
24AQI (US)
20th June 2026
21AQI (US)
21st June 2026
19AQI (US)
22nd June 2026
11AQI (US)
23rd June 2026
19AQI (US)
24th June 2026
21AQI (US)
25th June 2026
27AQI (US)
26th June 2026
28AQI (US)
27th June 2026
26AQI (US)
28th June 2026
27AQI (US)
29th June 2026
27AQI (US)
30th June 2026
23AQI (US)
1st July 2026
23AQI (US)
2nd July 2026
23AQI (US)
3rd July 2026
22AQI (US)
4th July 2026
24AQI (US)
5th July 2026
23AQI (US)
6th July 2026
24AQI (US)
7th July 2026
25AQI (US)
8th July 2026
24AQI (US)
9th July 2026
23AQI (US)
10th July 2026
28AQI (US)
11th July 2026
29AQI (US)
12th July 2026
25AQI (US)
13th July 2026
19AQI (US)
14th July 2026
22AQI (US)
15th July 2026
48AQI (US)
16th July 2026
57AQI (US)
17th July 2026
39AQI (US)
18th July 2026
10AQI (US)
19th July 2026
21AQI (US)
20th July 2026
40AQI (US)
21st July 2026
60AQI (US)
22nd July 2026
55AQI (US)
23rd July 2026
25AQI (US)
24th July 2026
24AQI (US)
25th July 2026
24AQI (US)
26th July 2026
25AQI (US)
27th July 2026
24AQI (US)
28th July 2026
24AQI (US)
29th July 2026
23AQI (US)
30th July 2026
25AQI (US)
31st July 2026
24AQI (US)
1st August 2026
25AQI (US)
2nd August 2026
23AQI (US)
3rd August 2026
25AQI (US)
4th August 2026
25AQI (US)
5th August 2026
26AQI (US)
6th August 2026
22AQI (US)
7th August 2026
31AQI (US)
8th August 2026
32AQI (US)
9th August 2026
23AQI (US)
10th August 2026
24AQI (US)
11th August 2026
30AQI (US)
12th August 2026
27AQI (US)
13th August 2026
28AQI (US)
14th August 2026
24AQI (US)
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

26AQI (US)

39AQI (US)

50AQI (US)

35AQI (US)

41AQI (US)

22AQI (US)

28AQI (US)

26AQI (US)

No. of days

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

202634AQI (US)

31
26
2
14
17
28
2
22
9
30
28
3
14
193
33

Highest AQI (US) recorded in

March

50AQI (US)

Lowest AQI (US) recorded in

June

22AQI (US)

202535AQI (US)

31
27
1
26
5
25
5
29
2
27
3
11
20
31
30
30
1
30
30
1
327
38

Highest AQI (US) recorded in

July

52AQI (US)

Lowest AQI (US) recorded in

February

27AQI (US)

202432AQI (US)

31
27
2
28
3
19
10
1
25
6
26
4
25
6
31
30
31
29
1
31
333
32
1

Highest AQI (US) recorded in

April

47AQI (US)

Lowest AQI (US) recorded in

December

23AQI (US)

202332AQI (US)

28
2
26
2
20
9
18
12
25
6
27
3
26
5
27
4
30
31
27
1
30
1
315
45

Highest AQI (US) recorded in

April

45AQI (US)

Lowest AQI (US) recorded in

October

21AQI (US)

202229AQI (US)

29
21
28
3
23
6
27
4
26
4
21
1
1
27
1
30
1
30
31
294
20

Highest AQI (US) recorded in

August

43AQI (US)

Lowest AQI (US) recorded in

December

19AQI (US)

202128AQI (US)

29
1
24
4
26
4
1
29
1
30
1
25
5
29
2
31
30
31
30
31
345
18
1

Highest AQI (US) recorded in

March

37AQI (US)

Lowest AQI (US) recorded in

October

21AQI (US)

202028AQI (US)

12
1
20
1
17
1
28
2
28
27
4
19
30
1
29
1
30
1
240
12

Highest AQI (US) recorded in

August

37AQI (US)

Lowest AQI (US) recorded in

July

20AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
35AQI (US)
Least Polluted Year Recorded
2020(Avg.)
28AQI (US)

Shiratori's annual 2026 AQI (US) (34) shows an average percentage change of 11.6% (worsened AQI (US)) compared to previous years: 2020 (28), 2021 (28), 2022 (29), 2023 (32), 2024 (32), 2025 (35).