Shiroishi, 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
Shiroishi, Miyagi, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
5th Aug 2023
55AQILowest AQI recorded on
14th Aug 2021
9AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 38 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Shiroishi, Miyagi, Japan
AQI
Day
Night
.
4 AM3rd Aug 2025
6 PM
3 AM4th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
12PM3rd Aug
55AQI
Avg. Lowest Time
12AM4th Aug
33AQI
In the last 24 hours,
Shiroishi's AQI reached its highest point of 55 at 12 PM during the Night, while the lowest point, 33, was recorded at 12 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Shiroishi, Miyagi, Japan
JulAug
05th - 06th06th - 07th07th - 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
Day
Night
5th Jul 2025534 AMAQI
5th Jul 2025535 AMAQI
5th Jul 2025536 AMAQI
5th Jul 2025537 AMAQI
5th Jul 2025548 AMAQI
5th Jul 2025579 AMAQI
5th Jul 20255610 AMAQI
5th Jul 20255211 AMAQI
5th Jul 20255112 PMAQI
5th Jul 2025541 PMAQI
5th Jul 2025532 PMAQI
5th Jul 2025553 PMAQI
5th Jul 2025564 PMAQI
5th Jul 2025585 PMAQI
5th Jul 2025606 PMAQI
5th Jul 2025597 PMAQI
5th Jul 2025568 PMAQI
5th Jul 2025539 PMAQI
5th Jul 20255410 PMAQI
5th Jul 20255411 PMAQI
6th Jul 20255412 AMAQI
6th Jul 2025531 AMAQI
6th Jul 2025532 AMAQI
6th Jul 2025523 AMAQI
26°C22/33°C
6th Jul 2025534 AMAQI
6th Jul 2025535 AMAQI
6th Jul 2025536 AMAQI
6th Jul 2025527 AMAQI
6th Jul 2025538 AMAQI
6th Jul 2025569 AMAQI
6th Jul 20256010 AMAQI
6th Jul 20255711 AMAQI
6th Jul 20255812 PMAQI
6th Jul 2025551 PMAQI
6th Jul 2025562 PMAQI
6th Jul 2025563 PMAQI
6th Jul 2025544 PMAQI
6th Jul 2025545 PMAQI
6th Jul 2025556 PMAQI
6th Jul 2025567 PMAQI
6th Jul 2025548 PMAQI
6th Jul 2025559 PMAQI
6th Jul 20255510 PMAQI
6th Jul 20255511 PMAQI
7th Jul 20255512 AMAQI
7th Jul 2025541 AMAQI
7th Jul 2025542 AMAQI
7th Jul 2025543 AMAQI
26°C22/33°C
7th Jul 2025544 AMAQI
7th Jul 2025545 AMAQI
7th Jul 2025546 AMAQI
7th Jul 2025547 AMAQI
7th Jul 2025548 AMAQI
7th Jul 2025559 AMAQI
7th Jul 20255410 AMAQI
7th Jul 20255711 AMAQI
7th Jul 20255812 PMAQI
7th Jul 2025571 PMAQI
7th Jul 2025582 PMAQI
7th Jul 2025583 PMAQI
7th Jul 2025574 PMAQI
7th Jul 2025615 PMAQI
7th Jul 2025596 PMAQI
7th Jul 2025597 PMAQI
7th Jul 2025618 PMAQI
7th Jul 2025579 PMAQI
7th Jul 20255710 PMAQI
7th Jul 20255611 PMAQI
8th Jul 20255612 AMAQI
8th Jul 2025551 AMAQI
8th Jul 2025552 AMAQI
8th Jul 2025553 AMAQI
27°C23/33°C
8th Jul 2025554 AMAQI
8th Jul 2025565 AMAQI
8th Jul 2025556 AMAQI
8th Jul 2025567 AMAQI
8th Jul 2025558 AMAQI
8th Jul 2025619 AMAQI
8th Jul 20256310 AMAQI
8th Jul 20256611 AMAQI
8th Jul 20256312 PMAQI
8th Jul 2025601 PMAQI
8th Jul 2025612 PMAQI
8th Jul 2025603 PMAQI
8th Jul 2025604 PMAQI
8th Jul 2025575 PMAQI
8th Jul 2025576 PMAQI
8th Jul 2025597 PMAQI
8th Jul 2025608 PMAQI
8th Jul 2025579 PMAQI
8th Jul 20255810 PMAQI
8th Jul 20255811 PMAQI
9th Jul 20255812 AMAQI
9th Jul 2025571 AMAQI
9th Jul 2025552 AMAQI
9th Jul 2025563 AMAQI
27°C23/32°C
9th Jul 2025564 AMAQI
9th Jul 2025565 AMAQI
9th Jul 2025566 AMAQI
9th Jul 2025567 AMAQI
9th Jul 2025578 AMAQI
9th Jul 2025749 AMAQI
9th Jul 20257810 AMAQI
9th Jul 20258411 AMAQI
9th Jul 20258912 PMAQI
9th Jul 2025721 PMAQI
9th Jul 2025712 PMAQI
9th Jul 2025723 PMAQI
9th Jul 2025624 PMAQI
9th Jul 2025535 PMAQI
9th Jul 2025546 PMAQI
9th Jul 2025577 PMAQI
9th Jul 2025598 PMAQI
9th Jul 2025589 PMAQI
9th Jul 20256010 PMAQI
9th Jul 20255711 PMAQI
10th Jul 20255712 AMAQI
10th Jul 2025581 AMAQI
10th Jul 2025572 AMAQI
10th Jul 2025573 AMAQI
26°C22/32°C
10th Jul 2025584 AMAQI
10th Jul 2025585 AMAQI
10th Jul 2025586 AMAQI
10th Jul 2025587 AMAQI
10th Jul 2025598 AMAQI
10th Jul 2025519 AMAQI
10th Jul 20255010 AMAQI
10th Jul 20254611 AMAQI
10th Jul 20254612 PMAQI
10th Jul 2025511 PMAQI
10th Jul 2025492 PMAQI
10th Jul 2025503 PMAQI
10th Jul 2025514 PMAQI
10th Jul 2025495 PMAQI
10th Jul 2025476 PMAQI
10th Jul 2025427 PMAQI
10th Jul 2025448 PMAQI
10th Jul 2025559 PMAQI
10th Jul 20255510 PMAQI
10th Jul 20255511 PMAQI
11th Jul 20255512 AMAQI
11th Jul 2025571 AMAQI
11th Jul 2025582 AMAQI
11th Jul 2025583 AMAQI
21°C19/22°C
11th Jul 2025574 AMAQI
11th Jul 2025575 AMAQI
11th Jul 2025566 AMAQI
11th Jul 2025577 AMAQI
11th Jul 2025578 AMAQI
11th Jul 2025319 AMAQI
11th Jul 20252110 AMAQI
11th Jul 20252011 AMAQI
11th Jul 20252612 PMAQI
11th Jul 2025411 PMAQI
11th Jul 2025422 PMAQI
11th Jul 2025423 PMAQI
11th Jul 2025454 PMAQI
11th Jul 2025465 PMAQI
11th Jul 2025466 PMAQI
11th Jul 2025457 PMAQI
11th Jul 2025488 PMAQI
11th Jul 2025549 PMAQI
11th Jul 20255410 PMAQI
11th Jul 20255311 PMAQI
12th Jul 20255412 AMAQI
12th Jul 2025551 AMAQI
12th Jul 2025562 AMAQI
12th Jul 2025563 AMAQI
18°C17/19°C
12th Jul 2025564 AMAQI
12th Jul 2025555 AMAQI
12th Jul 2025546 AMAQI
12th Jul 2025547 AMAQI
12th Jul 2025558 AMAQI
12th Jul 2025309 AMAQI
12th Jul 20252610 AMAQI
12th Jul 20252911 AMAQI
12th Jul 20252512 PMAQI
12th Jul 2025371 PMAQI
12th Jul 2025372 PMAQI
12th Jul 2025403 PMAQI
12th Jul 2025424 PMAQI
12th Jul 2025445 PMAQI
12th Jul 2025446 PMAQI
12th Jul 2025437 PMAQI
12th Jul 2025428 PMAQI
12th Jul 2025539 PMAQI
12th Jul 20255210 PMAQI
12th Jul 20255211 PMAQI
13th Jul 20255312 AMAQI
13th Jul 2025531 AMAQI
13th Jul 2025542 AMAQI
13th Jul 2025543 AMAQI
19°C17/21°C
13th Jul 2025544 AMAQI
13th Jul 2025545 AMAQI
13th Jul 2025536 AMAQI
13th Jul 2025547 AMAQI
13th Jul 2025548 AMAQI
13th Jul 2025439 AMAQI
13th Jul 20253510 AMAQI
13th Jul 20254311 AMAQI
13th Jul 20254512 PMAQI
13th Jul 2025501 PMAQI
13th Jul 2025482 PMAQI
13th Jul 2025513 PMAQI
13th Jul 2025504 PMAQI
13th Jul 2025495 PMAQI
13th Jul 2025466 PMAQI
13th Jul 2025477 PMAQI
13th Jul 2025468 PMAQI
13th Jul 2025529 PMAQI
13th Jul 20255210 PMAQI
13th Jul 20255211 PMAQI
14th Jul 20255212 AMAQI
14th Jul 2025531 AMAQI
14th Jul 2025532 AMAQI
14th Jul 2025523 AMAQI
22°C16/28°C
14th Jul 2025534 AMAQI
14th Jul 2025525 AMAQI
14th Jul 2025526 AMAQI
14th Jul 2025527 AMAQI
14th Jul 2025528 AMAQI
14th Jul 2025439 AMAQI
14th Jul 20253610 AMAQI
14th Jul 20253011 AMAQI
14th Jul 20252812 PMAQI
14th Jul 2025291 PMAQI
14th Jul 2025322 PMAQI
14th Jul 2025403 PMAQI
14th Jul 2025464 PMAQI
14th Jul 2025475 PMAQI
14th Jul 2025466 PMAQI
14th Jul 2025457 PMAQI
14th Jul 2025418 PMAQI
14th Jul 2025489 PMAQI
14th Jul 20254810 PMAQI
14th Jul 20254811 PMAQI
15th Jul 20254812 AMAQI
15th Jul 2025511 AMAQI
15th Jul 2025522 AMAQI
15th Jul 2025523 AMAQI
22°C20/25°C
15th Jul 2025524 AMAQI
15th Jul 2025515 AMAQI
15th Jul 2025516 AMAQI
15th Jul 2025527 AMAQI
15th Jul 2025518 AMAQI
15th Jul 2025339 AMAQI
15th Jul 20252410 AMAQI
15th Jul 20252411 AMAQI
15th Jul 20252812 PMAQI
15th Jul 2025371 PMAQI
15th Jul 2025352 PMAQI
15th Jul 2025353 PMAQI
15th Jul 2025324 PMAQI
15th Jul 2025315 PMAQI
15th Jul 2025336 PMAQI
15th Jul 2025337 PMAQI
15th Jul 2025348 PMAQI
15th Jul 2025489 PMAQI
15th Jul 20254710 PMAQI
15th Jul 20254711 PMAQI
16th Jul 20254612 AMAQI
16th Jul 2025501 AMAQI
16th Jul 2025502 AMAQI
16th Jul 2025523 AMAQI
25°C24/28°C
16th Jul 2025514 AMAQI
16th Jul 2025485 AMAQI
16th Jul 2025496 AMAQI
16th Jul 2025497 AMAQI
16th Jul 2025498 AMAQI
16th Jul 2025449 AMAQI
16th Jul 20254410 AMAQI
16th Jul 20255411 AMAQI
16th Jul 20255712 PMAQI
16th Jul 2025541 PMAQI
16th Jul 2025532 PMAQI
16th Jul 2025483 PMAQI
16th Jul 2025424 PMAQI
16th Jul 2025365 PMAQI
16th Jul 2025356 PMAQI
16th Jul 2025357 PMAQI
16th Jul 2025378 PMAQI
16th Jul 2025449 PMAQI
16th Jul 20254310 PMAQI
16th Jul 20254411 PMAQI
17th Jul 20254412 AMAQI
17th Jul 2025461 AMAQI
17th Jul 2025482 AMAQI
17th Jul 2025473 AMAQI
27°C23/33°C
17th Jul 2025474 AMAQI
17th Jul 2025485 AMAQI
17th Jul 2025486 AMAQI
17th Jul 2025487 AMAQI
17th Jul 2025508 AMAQI
17th Jul 2025269 AMAQI
17th Jul 20251610 AMAQI
17th Jul 20251811 AMAQI
17th Jul 20252312 PMAQI
17th Jul 2025351 PMAQI
17th Jul 2025342 PMAQI
17th Jul 2025383 PMAQI
17th Jul 2025394 PMAQI
17th Jul 2025395 PMAQI
17th Jul 2025406 PMAQI
17th Jul 2025437 PMAQI
17th Jul 2025428 PMAQI
17th Jul 2025449 PMAQI
17th Jul 20254310 PMAQI
17th Jul 20254311 PMAQI
18th Jul 20254312 AMAQI
18th Jul 2025461 AMAQI
18th Jul 2025472 AMAQI
18th Jul 2025473 AMAQI
27°C23/32°C
18th Jul 2025464 AMAQI
18th Jul 2025455 AMAQI
18th Jul 2025446 AMAQI
18th Jul 2025457 AMAQI
18th Jul 2025448 AMAQI
18th Jul 2025399 AMAQI
18th Jul 20254110 AMAQI
18th Jul 20253911 AMAQI
18th Jul 20254012 PMAQI
18th Jul 2025421 PMAQI
18th Jul 2025402 PMAQI
18th Jul 2025403 PMAQI
18th Jul 2025414 PMAQI
18th Jul 2025415 PMAQI
18th Jul 2025396 PMAQI
18th Jul 2025417 PMAQI
18th Jul 2025438 PMAQI
18th Jul 2025449 PMAQI
18th Jul 20254410 PMAQI
18th Jul 20254311 PMAQI
19th Jul 20254412 AMAQI
19th Jul 2025451 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025463 AMAQI
26°C22/32°C
19th Jul 2025444 AMAQI
19th Jul 2025435 AMAQI
19th Jul 2025436 AMAQI
19th Jul 2025447 AMAQI
19th Jul 2025438 AMAQI
19th Jul 2025419 AMAQI
19th Jul 20254210 AMAQI
19th Jul 20254711 AMAQI
19th Jul 20254612 PMAQI
19th Jul 2025441 PMAQI
19th Jul 2025402 PMAQI
19th Jul 2025363 PMAQI
19th Jul 2025364 PMAQI
19th Jul 2025345 PMAQI
19th Jul 2025366 PMAQI
19th Jul 2025397 PMAQI
19th Jul 2025398 PMAQI
19th Jul 2025419 PMAQI
19th Jul 20254110 PMAQI
19th Jul 20254211 PMAQI
20th Jul 20254112 AMAQI
20th Jul 2025441 AMAQI
20th Jul 2025442 AMAQI
20th Jul 2025433 AMAQI
26°C21/32°C
20th Jul 2025444 AMAQI
20th Jul 2025445 AMAQI
20th Jul 2025446 AMAQI
20th Jul 2025447 AMAQI
20th Jul 2025448 AMAQI
20th Jul 2025409 AMAQI
20th Jul 20254310 AMAQI
20th Jul 20254911 AMAQI
20th Jul 20255112 PMAQI
20th Jul 2025421 PMAQI
20th Jul 2025432 PMAQI
20th Jul 2025433 PMAQI
20th Jul 2025424 PMAQI
20th Jul 2025425 PMAQI
20th Jul 2025446 PMAQI
20th Jul 2025467 PMAQI
20th Jul 2025448 PMAQI
20th Jul 2025439 PMAQI
20th Jul 20254310 PMAQI
20th Jul 20254211 PMAQI
21st Jul 20254212 AMAQI
21st Jul 2025431 AMAQI
21st Jul 2025432 AMAQI
21st Jul 2025423 AMAQI
27°C22/32°C
21st Jul 2025434 AMAQI
21st Jul 2025445 AMAQI
21st Jul 2025446 AMAQI
21st Jul 2025437 AMAQI
21st Jul 2025448 AMAQI
21st Jul 2025459 AMAQI
21st Jul 20255210 AMAQI
21st Jul 20255111 AMAQI
21st Jul 20254812 PMAQI
21st Jul 2025411 PMAQI
21st Jul 2025382 PMAQI
21st Jul 2025373 PMAQI
21st Jul 2025484 PMAQI
21st Jul 2025475 PMAQI
21st Jul 2025456 PMAQI
21st Jul 2025467 PMAQI
21st Jul 2025448 PMAQI
21st Jul 2025439 PMAQI
21st Jul 20254310 PMAQI
21st Jul 20254211 PMAQI
22nd Jul 20254012 AMAQI
22nd Jul 2025421 AMAQI
22nd Jul 2025422 AMAQI
22nd Jul 2025423 AMAQI
27°C22/34°C
22nd Jul 2025434 AMAQI
22nd Jul 2025445 AMAQI
22nd Jul 2025446 AMAQI
22nd Jul 2025437 AMAQI
22nd Jul 2025448 AMAQI
22nd Jul 2025439 AMAQI
22nd Jul 20255210 AMAQI
22nd Jul 20254611 AMAQI
22nd Jul 20253312 PMAQI
22nd Jul 2025341 PMAQI
22nd Jul 2025402 PMAQI
22nd Jul 2025423 PMAQI
22nd Jul 2025444 PMAQI
22nd Jul 2025495 PMAQI
22nd Jul 2025476 PMAQI
22nd Jul 2025487 PMAQI
22nd Jul 2025478 PMAQI
22nd Jul 2025439 PMAQI
22nd Jul 20254310 PMAQI
22nd Jul 20254311 PMAQI
23rd Jul 20254212 AMAQI
23rd Jul 2025421 AMAQI
23rd Jul 2025422 AMAQI
23rd Jul 2025423 AMAQI
28°C23/35°C
23rd Jul 2025434 AMAQI
23rd Jul 2025425 AMAQI
23rd Jul 2025436 AMAQI
23rd Jul 2025437 AMAQI
23rd Jul 2025438 AMAQI
23rd Jul 2025489 AMAQI
23rd Jul 20254410 AMAQI
23rd Jul 20254011 AMAQI
23rd Jul 20253312 PMAQI
23rd Jul 2025321 PMAQI
23rd Jul 2025352 PMAQI
23rd Jul 2025383 PMAQI
23rd Jul 2025434 PMAQI
23rd Jul 2025485 PMAQI
23rd Jul 2025526 PMAQI
23rd Jul 2025537 PMAQI
23rd Jul 2025508 PMAQI
23rd Jul 2025459 PMAQI
23rd Jul 20254410 PMAQI
23rd Jul 20254511 PMAQI
24th Jul 20254212 AMAQI
24th Jul 2025441 AMAQI
24th Jul 2025432 AMAQI
24th Jul 2025433 AMAQI
28°C23/36°C
24th Jul 2025444 AMAQI
24th Jul 2025445 AMAQI
24th Jul 2025446 AMAQI
24th Jul 2025437 AMAQI
24th Jul 2025448 AMAQI
24th Jul 2025459 AMAQI
24th Jul 20254810 AMAQI
24th Jul 20254411 AMAQI
24th Jul 20254012 PMAQI
24th Jul 2025401 PMAQI
24th Jul 2025482 PMAQI
24th Jul 2025523 PMAQI
24th Jul 2025514 PMAQI
24th Jul 2025515 PMAQI
24th Jul 2025516 PMAQI
24th Jul 2025527 PMAQI
24th Jul 2025528 PMAQI
24th Jul 2025469 PMAQI
24th Jul 20254510 PMAQI
24th Jul 20254611 PMAQI
25th Jul 20254712 AMAQI
25th Jul 2025461 AMAQI
25th Jul 2025442 AMAQI
25th Jul 2025443 AMAQI
28°C23/34°C
25th Jul 2025444 AMAQI
25th Jul 2025465 AMAQI
25th Jul 2025466 AMAQI
25th Jul 2025457 AMAQI
25th Jul 2025458 AMAQI
25th Jul 2025519 AMAQI
25th Jul 20255310 AMAQI
25th Jul 20255311 AMAQI
25th Jul 20255412 PMAQI
25th Jul 2025521 PMAQI
25th Jul 2025532 PMAQI
25th Jul 2025543 PMAQI
25th Jul 2025544 PMAQI
25th Jul 2025545 PMAQI
25th Jul 2025526 PMAQI
25th Jul 2025527 PMAQI
25th Jul 2025488 PMAQI
25th Jul 2025489 PMAQI
25th Jul 20254810 PMAQI
25th Jul 20254811 PMAQI
26th Jul 20254812 AMAQI
26th Jul 2025481 AMAQI
26th Jul 2025472 AMAQI
26th Jul 2025473 AMAQI
28°C23/34°C
26th Jul 2025484 AMAQI
26th Jul 2025495 AMAQI
26th Jul 2025506 AMAQI
26th Jul 2025507 AMAQI
26th Jul 2025508 AMAQI
26th Jul 2025549 AMAQI
26th Jul 20255610 AMAQI
26th Jul 20255711 AMAQI
26th Jul 20255312 PMAQI
26th Jul 2025501 PMAQI
26th Jul 2025512 PMAQI
26th Jul 2025523 PMAQI
26th Jul 2025524 PMAQI
26th Jul 2025525 PMAQI
26th Jul 2025526 PMAQI
26th Jul 2025527 PMAQI
26th Jul 2025518 PMAQI
26th Jul 2025489 PMAQI
26th Jul 20254810 PMAQI
26th Jul 20255011 PMAQI
27th Jul 20254912 AMAQI
27th Jul 2025501 AMAQI
27th Jul 2025482 AMAQI
27th Jul 2025503 AMAQI
27°C22/34°C
27th Jul 2025494 AMAQI
27th Jul 2025505 AMAQI
27th Jul 2025506 AMAQI
27th Jul 2025507 AMAQI
27th Jul 2025508 AMAQI
27th Jul 2025549 AMAQI
27th Jul 20255610 AMAQI
27th Jul 20255411 AMAQI
27th Jul 20255212 PMAQI
27th Jul 2025481 PMAQI
27th Jul 2025442 PMAQI
27th Jul 2025443 PMAQI
27th Jul 2025464 PMAQI
27th Jul 2025505 PMAQI
27th Jul 2025526 PMAQI
27th Jul 2025537 PMAQI
27th Jul 2025528 PMAQI
27th Jul 2025489 PMAQI
27th Jul 20254810 PMAQI
27th Jul 20254811 PMAQI
28th Jul 20254912 AMAQI
28th Jul 2025501 AMAQI
28th Jul 2025492 AMAQI
28th Jul 2025503 AMAQI
28°C23/34°C
28th Jul 2025494 AMAQI
28th Jul 2025505 AMAQI
28th Jul 2025506 AMAQI
28th Jul 2025507 AMAQI
28th Jul 2025508 AMAQI
28th Jul 2025479 AMAQI
28th Jul 20254410 AMAQI
28th Jul 20253811 AMAQI
28th Jul 20254012 PMAQI
28th Jul 2025431 PMAQI
28th Jul 2025422 PMAQI
28th Jul 2025423 PMAQI
28th Jul 2025454 PMAQI
28th Jul 2025415 PMAQI
28th Jul 2025406 PMAQI
28th Jul 2025437 PMAQI
28th Jul 2025438 PMAQI
28th Jul 2025479 PMAQI
28th Jul 20254710 PMAQI
28th Jul 20254911 PMAQI
29th Jul 20254812 AMAQI
29th Jul 2025481 AMAQI
29th Jul 2025492 AMAQI
29th Jul 2025493 AMAQI
28°C23/34°C
29th Jul 2025484 AMAQI
29th Jul 2025485 AMAQI
29th Jul 2025486 AMAQI
29th Jul 2025497 AMAQI
29th Jul 2025488 AMAQI
29th Jul 2025549 AMAQI
29th Jul 20255610 AMAQI
29th Jul 20255511 AMAQI
29th Jul 20255512 PMAQI
29th Jul 2025521 PMAQI
29th Jul 2025522 PMAQI
29th Jul 2025533 PMAQI
29th Jul 2025534 PMAQI
29th Jul 2025525 PMAQI
29th Jul 2025506 PMAQI
29th Jul 2025457 PMAQI
29th Jul 2025458 PMAQI
29th Jul 2025469 PMAQI
29th Jul 20254610 PMAQI
29th Jul 20254711 PMAQI
30th Jul 20254612 AMAQI
30th Jul 2025471 AMAQI
30th Jul 2025492 AMAQI
30th Jul 2025483 AMAQI
28°C23/35°C
30th Jul 2025494 AMAQI
30th Jul 2025515 AMAQI
30th Jul 2025516 AMAQI
30th Jul 2025507 AMAQI
30th Jul 2025498 AMAQI
30th Jul 2025479 AMAQI
30th Jul 20254410 AMAQI
30th Jul 20254811 AMAQI
30th Jul 20254312 PMAQI
30th Jul 2025441 PMAQI
30th Jul 2025402 PMAQI
30th Jul 2025363 PMAQI
30th Jul 2025374 PMAQI
30th Jul 2025395 PMAQI
30th Jul 2025426 PMAQI
30th Jul 2025407 PMAQI
30th Jul 2025408 PMAQI
30th Jul 2025459 PMAQI
30th Jul 20254610 PMAQI
30th Jul 20254411 PMAQI
31st Jul 20254512 AMAQI
31st Jul 2025461 AMAQI
31st Jul 2025472 AMAQI
31st Jul 2025493 AMAQI
25°C22/30°C
31st Jul 2025484 AMAQI
31st Jul 2025485 AMAQI
31st Jul 2025486 AMAQI
31st Jul 2025487 AMAQI
31st Jul 2025488 AMAQI
31st Jul 2025489 AMAQI
31st Jul 20254810 AMAQI
31st Jul 20255011 AMAQI
31st Jul 20254012 PMAQI
31st Jul 2025361 PMAQI
31st Jul 2025342 PMAQI
31st Jul 2025363 PMAQI
31st Jul 2025364 PMAQI
31st Jul 2025355 PMAQI
31st Jul 2025356 PMAQI
31st Jul 2025347 PMAQI
31st Jul 2025368 PMAQI
31st Jul 2025339 PMAQI
31st Jul 20253210 PMAQI
31st Jul 20252911 PMAQI
1st Aug 20253012 AMAQI
1st Aug 2025371 AMAQI
1st Aug 2025442 AMAQI
1st Aug 2025423 AMAQI
25°C21/29°C
1st Aug 2025434 AMAQI
1st Aug 2025415 AMAQI
1st Aug 2025406 AMAQI
1st Aug 2025407 AMAQI
1st Aug 2025408 AMAQI
1st Aug 2025429 AMAQI
1st Aug 20253310 AMAQI
1st Aug 20253811 AMAQI
1st Aug 20255212 PMAQI
1st Aug 2025441 PMAQI
1st Aug 2025352 PMAQI
1st Aug 2025303 PMAQI
1st Aug 2025434 PMAQI
1st Aug 2025385 PMAQI
1st Aug 2025346 PMAQI
1st Aug 2025307 PMAQI
1st Aug 2025278 PMAQI
1st Aug 2025319 PMAQI
1st Aug 20253310 PMAQI
1st Aug 20253311 PMAQI
2nd Aug 20253012 AMAQI
2nd Aug 2025361 AMAQI
2nd Aug 2025392 AMAQI
2nd Aug 2025413 AMAQI
24°C20/27°C
2nd Aug 2025424 AMAQI
2nd Aug 2025425 AMAQI
2nd Aug 2025426 AMAQI
2nd Aug 2025397 AMAQI
2nd Aug 2025408 AMAQI
2nd Aug 2025379 AMAQI
2nd Aug 20253810 AMAQI
2nd Aug 20254011 AMAQI
2nd Aug 20252712 PMAQI
2nd Aug 2025331 PMAQI
2nd Aug 2025462 PMAQI
2nd Aug 2025453 PMAQI
2nd Aug 2025374 PMAQI
2nd Aug 2025385 PMAQI
2nd Aug 2025526 PMAQI
2nd Aug 2025507 PMAQI
2nd Aug 2025378 PMAQI
2nd Aug 2025369 PMAQI
2nd Aug 20253310 PMAQI
2nd Aug 20253611 PMAQI
3rd Aug 20252812 AMAQI
3rd Aug 2025361 AMAQI
3rd Aug 2025382 AMAQI
3rd Aug 2025383 AMAQI
27°C24/32°C
3rd Aug 2025384 AMAQI
3rd Aug 2025385 AMAQI
3rd Aug 2025386 AMAQI
3rd Aug 2025387 AMAQI
3rd Aug 2025388 AMAQI
3rd Aug 2025369 AMAQI
3rd Aug 20254110 AMAQI
3rd Aug 20254611 AMAQI
3rd Aug 20255512 PMAQI
3rd Aug 2025481 PMAQI
3rd Aug 2025522 PMAQI
3rd Aug 2025443 PMAQI
3rd Aug 2025404 PMAQI
3rd Aug 2025485 PMAQI
3rd Aug 2025516 PMAQI
3rd Aug 2025507 PMAQI
3rd Aug 2025418 PMAQI
3rd Aug 2025359 PMAQI
3rd Aug 20253610 PMAQI
3rd Aug 20253611 PMAQI
4th Aug 20253312 AMAQI
4th Aug 2025361 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025363 AMAQI
--°C/°C
4th Aug 2025384 AMAQI
4 AM11 AM
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
49AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
9 AM - 6 PM
46AQI
10 hours / Day
300 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 8 AM (Avg. 49), while the lowest AQI was between 9 AM to 6 PM (Avg. 46).
Night time
Avg. Highest Time
12 AM - 11 PM
47AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
47AQI
9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 47), while the lowest AQI was between 12 AM to 11 PM (Avg. 47).
2025 Days Vs Air Quality
Shiroishi, Miyagi, Japan
2025
87%
187
13%
27
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
187 DaysModerate
27 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2025, 87% of 215 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
Shiroishi, Miyagi, Japan
AQI levels in 2025
AQI
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.
1st January 2025
27AQI
27AQI
2nd January 2025
26AQI
26AQI
3rd January 2025
25AQI
25AQI
4th January 2025
25AQI
25AQI
5th January 2025
26AQI
26AQI
6th January 2025
36AQI
36AQI
7th January 2025
26AQI
26AQI
8th January 2025
24AQI
24AQI
9th January 2025
21AQI
21AQI
10th January 2025
21AQI
21AQI
11th January 2025
20AQI
20AQI
12th January 2025
23AQI
23AQI
13th January 2025
23AQI
23AQI
14th January 2025
28AQI
28AQI
15th January 2025
24AQI
24AQI
16th January 2025
24AQI
24AQI
17th January 2025
23AQI
23AQI
18th January 2025
25AQI
25AQI
19th January 2025
39AQI
39AQI
20th January 2025
43AQI
43AQI
21st January 2025
49AQI
49AQI
22nd January 2025
39AQI
39AQI
23rd January 2025
40AQI
40AQI
24th January 2025
39AQI
39AQI
25th January 2025
32AQI
32AQI
26th January 2025
29AQI
29AQI
27th January 2025
31AQI
31AQI
28th January 2025
30AQI
30AQI
29th January 2025
26AQI
26AQI
30th January 2025
25AQI
25AQI
31st January 2025
26AQI
26AQI
1st February 2025
27AQI
27AQI
2nd February 2025
32AQI
32AQI
3rd February 2025
32AQI
32AQI
4th February 2025
28AQI
28AQI
5th February 2025
24AQI
24AQI
6th February 2025
24AQI
24AQI
7th February 2025
29AQI
29AQI
8th February 2025
23AQI
23AQI
9th February 2025
24AQI
24AQI
10th February 2025
25AQI
25AQI
11th February 2025
25AQI
25AQI
12th February 2025
33AQI
33AQI
13th February 2025
26AQI
26AQI
14th February 2025
29AQI
29AQI
15th February 2025
24AQI
24AQI
16th February 2025
34AQI
34AQI
17th February 2025
41AQI
41AQI
18th February 2025
28AQI
28AQI
19th February 2025
31AQI
31AQI
20th February 2025
24AQI
24AQI
21st February 2025
25AQI
25AQI
22nd February 2025
24AQI
24AQI
23rd February 2025
25AQI
25AQI
24th February 2025
26AQI
26AQI
25th February 2025
32AQI
32AQI
26th February 2025
42AQI
42AQI
27th February 2025
40AQI
40AQI
28th February 2025
51AQI
51AQI
1st March 2025
49AQI
49AQI
2nd March 2025
56AQI
56AQI
3rd March 2025
37AQI
37AQI
4th March 2025
37AQI
37AQI
5th March 2025
25AQI
25AQI
6th March 2025
26AQI
26AQI
7th March 2025
26AQI
26AQI
8th March 2025
34AQI
34AQI
9th March 2025
29AQI
29AQI
10th March 2025
41AQI
41AQI
11th March 2025
39AQI
39AQI
12th March 2025
46AQI
46AQI
13th March 2025
51AQI
51AQI
14th March 2025
45AQI
45AQI
15th March 2025
47AQI
47AQI
16th March 2025
29AQI
29AQI
17th March 2025
23AQI
23AQI
18th March 2025
28AQI
28AQI
19th March 2025
24AQI
24AQI
20th March 2025
31AQI
31AQI
21st March 2025
49AQI
49AQI
22nd March 2025
53AQI
53AQI
23rd March 2025
47AQI
47AQI
24th March 2025
45AQI
45AQI
25th March 2025
68AQI
68AQI
26th March 2025
65AQI
65AQI
27th March 2025
66AQI
66AQI
28th March 2025
50AQI
50AQI
29th March 2025
41AQI
41AQI
30th March 2025
39AQI
39AQI
31st March 2025
40AQI
40AQI
1st April 2025
33AQI
33AQI
2nd April 2025
25AQI
25AQI
3rd April 2025
22AQI
22AQI
4th April 2025
21AQI
21AQI
5th April 2025
29AQI
29AQI
6th April 2025
32AQI
32AQI
7th April 2025
30AQI
30AQI
8th April 2025
43AQI
43AQI
9th April 2025
33AQI
33AQI
10th April 2025
48AQI
48AQI
11th April 2025
48AQI
48AQI
12th April 2025
42AQI
42AQI
13th April 2025
31AQI
31AQI
14th April 2025
23AQI
23AQI
15th April 2025
25AQI
25AQI
16th April 2025
24AQI
24AQI
17th April 2025
43AQI
43AQI
18th April 2025
48AQI
48AQI
19th April 2025
62AQI
62AQI
20th April 2025
52AQI
52AQI
21st April 2025
47AQI
47AQI
22nd April 2025
49AQI
49AQI
23rd April 2025
41AQI
41AQI
24th April 2025
35AQI
35AQI
25th April 2025
42AQI
42AQI
26th April 2025
51AQI
51AQI
27th April 2025
52AQI
52AQI
28th April 2025
54AQI
54AQI
29th April 2025
33AQI
33AQI
30th April 2025
31AQI
31AQI
1st May 2025
30AQI
30AQI
2nd May 2025
29AQI
29AQI
3rd May 2025
35AQI
35AQI
4th May 2025
33AQI
33AQI
5th May 2025
38AQI
38AQI
6th May 2025
35AQI
35AQI
7th May 2025
31AQI
31AQI
8th May 2025
38AQI
38AQI
9th May 2025
38AQI
38AQI
10th May 2025
29AQI
29AQI
11th May 2025
27AQI
27AQI
12th May 2025
27AQI
27AQI
13th May 2025
39AQI
39AQI
14th May 2025
46AQI
46AQI
15th May 2025
50AQI
50AQI
16th May 2025
53AQI
53AQI
17th May 2025
42AQI
42AQI
18th May 2025
45AQI
45AQI
19th May 2025
42AQI
42AQI
20th May 2025
52AQI
52AQI
21st May 2025
56AQI
56AQI
22nd May 2025
49AQI
49AQI
23rd May 2025
47AQI
47AQI
24th May 2025
43AQI
43AQI
25th May 2025
27AQI
27AQI
26th May 2025
30AQI
30AQI
27th May 2025
32AQI
32AQI
28th May 2025
31AQI
31AQI
29th May 2025
35AQI
35AQI
30th May 2025
33AQI
33AQI
31st May 2025
21AQI
21AQI
1st June 2025
21AQI
21AQI
2nd June 2025
38AQI
38AQI
3rd June 2025
38AQI
38AQI
4th June 2025
34AQI
34AQI
5th June 2025
37AQI
37AQI
6th June 2025
44AQI
44AQI
7th June 2025
53AQI
53AQI
8th June 2025
58AQI
58AQI
9th June 2025
61AQI
61AQI
10th June 2025
57AQI
57AQI
11th June 2025
47AQI
47AQI
12th June 2025
42AQI
42AQI
13th June 2025
39AQI
39AQI
14th June 2025
39AQI
39AQI
15th June 2025
31AQI
31AQI
16th June 2025
28AQI
28AQI
17th June 2025
32AQI
32AQI
18th June 2025
38AQI
38AQI
19th June 2025
42AQI
42AQI
20th June 2025
38AQI
38AQI
21st June 2025
40AQI
40AQI
22nd June 2025
45AQI
45AQI
23rd June 2025
44AQI
44AQI
24th June 2025
41AQI
41AQI
25th June 2025
41AQI
41AQI
26th June 2025
36AQI
36AQI
27th June 2025
36AQI
36AQI
28th June 2025
37AQI
37AQI
29th June 2025
38AQI
38AQI
30th June 2025
44AQI
44AQI
1st July 2025
45AQI
45AQI
2nd July 2025
47AQI
47AQI
3rd July 2025
54AQI
54AQI
4th July 2025
54AQI
54AQI
5th July 2025
54AQI
54AQI
6th July 2025
55AQI
55AQI
7th July 2025
56AQI
56AQI
8th July 2025
58AQI
58AQI
9th July 2025
61AQI
61AQI
10th July 2025
53AQI
53AQI
11th July 2025
49AQI
49AQI
12th July 2025
48AQI
48AQI
13th July 2025
50AQI
50AQI
14th July 2025
47AQI
47AQI
15th July 2025
43AQI
43AQI
16th July 2025
45AQI
45AQI
17th July 2025
41AQI
41AQI
18th July 2025
43AQI
43AQI
19th July 2025
42AQI
42AQI
20th July 2025
43AQI
43AQI
21st July 2025
43AQI
43AQI
22nd July 2025
43AQI
43AQI
23rd July 2025
44AQI
44AQI
24th July 2025
46AQI
46AQI
25th July 2025
49AQI
49AQI
26th July 2025
50AQI
50AQI
27th July 2025
50AQI
50AQI
28th July 2025
46AQI
46AQI
29th July 2025
49AQI
49AQI
30th July 2025
45AQI
45AQI
31st July 2025
41AQI
41AQI
1st August 2025
36AQI
36AQI
2nd August 2025
38AQI
38AQI
29AQI
30AQI
41AQI
38AQI
38AQI
41AQI
48AQI
37AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202538AQI
31
27
1
25
6
25
5
28
3
26
4
23
8
2
187
27
Highest AQI recorded in
July48AQI
Lowest AQI recorded in
January29AQI
202433AQI
31
29
27
4
15
14
1
27
4
24
6
24
7
30
1
30
31
27
3
31
326
39
1
Highest AQI recorded in
April52AQI
Lowest AQI recorded in
January23AQI
202334AQI
31
26
2
18
11
18
12
24
7
26
4
24
7
29
2
30
31
28
1
30
1
315
47
Highest AQI recorded in
April50AQI
Lowest AQI recorded in
December25AQI
202233AQI
30
20
1
23
8
23
6
23
8
26
4
20
1
1
28
29
2
28
2
31
282
32
Highest AQI recorded in
March41AQI
Lowest AQI recorded in
December22AQI
202135AQI
30
1
24
4
23
7
1
25
5
28
3
20
10
24
7
31
30
29
2
26
4
31
321
43
1
Highest AQI recorded in
March45AQI
Lowest AQI recorded in
December25AQI
202035AQI
12
1
18
3
16
2
23
7
29
2
21
10
19
30
1
24
6
30
1
222
33
Highest AQI recorded in
August46AQI
Lowest AQI recorded in
December24AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
38AQILeast Polluted Year Recorded
2022(Avg.)
33AQIShiroishi's annual 2025 AQI (38) shows an average percentage change of 11.7% (worsened AQI) compared to previous years: 2020 (35), 2021 (35), 2022 (33), 2023 (34), 2024 (33).
