Chaa, Natori Shi, 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
Chaa, Natori Shi, Miyagi, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
16th Aug 2023
62AQILowest AQI recorded on
13th Aug 2021
10AQISame Day Analysis (5th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 41 of Good air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Chaa, Natori Shi, Miyagi, Japan
AQI
Day
Night
.
4 AM5th Aug 2025
6 PM
3 AM6th Aug 2025
Day time
Avg. Highest Time
10AM5th Aug
50AQI
Avg. Lowest Time
2PM5th Aug
36AQI
Night time
Avg. Highest Time
3AM6th Aug
43AQI
Avg. Lowest Time
7PM5th Aug
35AQI
In the last 24 hours,
Chaa's AQI reached its highest point of 50 at 10 AM during the Day, while the lowest point, 35, was recorded at 7 PM during the Night between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Chaa, Natori Shi, Miyagi, Japan
JulAug
07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th
Day
Night
7th Jul 2025534 AMAQI
7th Jul 2025535 AMAQI
7th Jul 2025526 AMAQI
7th Jul 2025537 AMAQI
7th Jul 2025538 AMAQI
7th Jul 2025639 AMAQI
7th Jul 20256710 AMAQI
7th Jul 20256711 AMAQI
7th Jul 20256412 PMAQI
7th Jul 2025601 PMAQI
7th Jul 2025602 PMAQI
7th Jul 2025593 PMAQI
7th Jul 2025564 PMAQI
7th Jul 2025595 PMAQI
7th Jul 2025626 PMAQI
7th Jul 2025587 PMAQI
7th Jul 2025578 PMAQI
7th Jul 2025569 PMAQI
7th Jul 20255710 PMAQI
7th Jul 20255611 PMAQI
8th Jul 20255612 AMAQI
8th Jul 2025561 AMAQI
8th Jul 2025542 AMAQI
8th Jul 2025543 AMAQI
26°C23/30°C
8th Jul 2025544 AMAQI
8th Jul 2025565 AMAQI
8th Jul 2025556 AMAQI
8th Jul 2025557 AMAQI
8th Jul 2025558 AMAQI
8th Jul 2025589 AMAQI
8th Jul 20256410 AMAQI
8th Jul 20257211 AMAQI
8th Jul 20256612 PMAQI
8th Jul 2025611 PMAQI
8th Jul 2025622 PMAQI
8th Jul 2025593 PMAQI
8th Jul 2025584 PMAQI
8th Jul 2025565 PMAQI
8th Jul 2025566 PMAQI
8th Jul 2025627 PMAQI
8th Jul 2025658 PMAQI
8th Jul 2025569 PMAQI
8th Jul 20255810 PMAQI
8th Jul 20256011 PMAQI
9th Jul 20256012 AMAQI
9th Jul 2025561 AMAQI
9th Jul 2025542 AMAQI
9th Jul 2025553 AMAQI
26°C23/29°C
9th Jul 2025554 AMAQI
9th Jul 2025565 AMAQI
9th Jul 2025566 AMAQI
9th Jul 2025557 AMAQI
9th Jul 2025568 AMAQI
9th Jul 2025749 AMAQI
9th Jul 20258610 AMAQI
9th Jul 20259411 AMAQI
9th Jul 20259512 PMAQI
9th Jul 2025761 PMAQI
9th Jul 2025742 PMAQI
9th Jul 2025793 PMAQI
9th Jul 2025734 PMAQI
9th Jul 2025755 PMAQI
9th Jul 2025766 PMAQI
9th Jul 2025787 PMAQI
9th Jul 2025768 PMAQI
9th Jul 2025629 PMAQI
9th Jul 20256210 PMAQI
9th Jul 20256111 PMAQI
10th Jul 20256212 AMAQI
10th Jul 2025601 AMAQI
10th Jul 2025582 AMAQI
10th Jul 2025583 AMAQI
25°C22/29°C
10th Jul 2025584 AMAQI
10th Jul 2025605 AMAQI
10th Jul 2025596 AMAQI
10th Jul 2025607 AMAQI
10th Jul 2025608 AMAQI
10th Jul 2025519 AMAQI
10th Jul 20254810 AMAQI
10th Jul 20254811 AMAQI
10th Jul 20254512 PMAQI
10th Jul 2025521 PMAQI
10th Jul 2025502 PMAQI
10th Jul 2025513 PMAQI
10th Jul 2025504 PMAQI
10th Jul 2025445 PMAQI
10th Jul 2025476 PMAQI
10th Jul 2025497 PMAQI
10th Jul 2025538 PMAQI
10th Jul 2025579 PMAQI
10th Jul 20255610 PMAQI
10th Jul 20255711 PMAQI
11th Jul 20255712 AMAQI
11th Jul 2025581 AMAQI
11th Jul 2025602 AMAQI
11th Jul 2025603 AMAQI
21°C19/22°C
11th Jul 2025604 AMAQI
11th Jul 2025595 AMAQI
11th Jul 2025586 AMAQI
11th Jul 2025597 AMAQI
11th Jul 2025598 AMAQI
11th Jul 2025329 AMAQI
11th Jul 20252710 AMAQI
11th Jul 20252411 AMAQI
11th Jul 20252612 PMAQI
11th Jul 2025391 PMAQI
11th Jul 2025422 PMAQI
11th Jul 2025463 PMAQI
11th Jul 2025464 PMAQI
11th Jul 2025465 PMAQI
11th Jul 2025466 PMAQI
11th Jul 2025397 PMAQI
11th Jul 2025438 PMAQI
11th Jul 2025549 PMAQI
11th Jul 20255410 PMAQI
11th Jul 20255511 PMAQI
12th Jul 20255412 AMAQI
12th Jul 2025561 AMAQI
12th Jul 2025572 AMAQI
12th Jul 2025583 AMAQI
19°C18/20°C
12th Jul 2025564 AMAQI
12th Jul 2025555 AMAQI
12th Jul 2025556 AMAQI
12th Jul 2025567 AMAQI
12th Jul 2025568 AMAQI
12th Jul 2025349 AMAQI
12th Jul 20252710 AMAQI
12th Jul 20252911 AMAQI
12th Jul 20252812 PMAQI
12th Jul 2025411 PMAQI
12th Jul 2025382 PMAQI
12th Jul 2025373 PMAQI
12th Jul 2025404 PMAQI
12th Jul 2025405 PMAQI
12th Jul 2025396 PMAQI
12th Jul 2025387 PMAQI
12th Jul 2025428 PMAQI
12th Jul 2025529 PMAQI
12th Jul 20255210 PMAQI
12th Jul 20255311 PMAQI
13th Jul 20255212 AMAQI
13th Jul 2025531 AMAQI
13th Jul 2025552 AMAQI
13th Jul 2025553 AMAQI
19°C18/21°C
13th Jul 2025544 AMAQI
13th Jul 2025545 AMAQI
13th Jul 2025546 AMAQI
13th Jul 2025547 AMAQI
13th Jul 2025548 AMAQI
13th Jul 2025429 AMAQI
13th Jul 20253610 AMAQI
13th Jul 20254211 AMAQI
13th Jul 20254012 PMAQI
13th Jul 2025471 PMAQI
13th Jul 2025482 PMAQI
13th Jul 2025493 PMAQI
13th Jul 2025494 PMAQI
13th Jul 2025435 PMAQI
13th Jul 2025456 PMAQI
13th Jul 2025447 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 2025522 AMAQI
14th Jul 2025523 AMAQI
22°C18/25°C
14th Jul 2025534 AMAQI
14th Jul 2025525 AMAQI
14th Jul 2025526 AMAQI
14th Jul 2025527 AMAQI
14th Jul 2025538 AMAQI
14th Jul 2025379 AMAQI
14th Jul 20252810 AMAQI
14th Jul 20252511 AMAQI
14th Jul 20251812 PMAQI
14th Jul 2025351 PMAQI
14th Jul 2025402 PMAQI
14th Jul 2025523 PMAQI
14th Jul 2025524 PMAQI
14th Jul 2025545 PMAQI
14th Jul 2025446 PMAQI
14th Jul 2025327 PMAQI
14th Jul 2025368 PMAQI
14th Jul 2025509 PMAQI
14th Jul 20254810 PMAQI
14th Jul 20255111 PMAQI
15th Jul 20255112 AMAQI
15th Jul 2025521 AMAQI
15th Jul 2025522 AMAQI
15th Jul 2025523 AMAQI
22°C20/24°C
15th Jul 2025524 AMAQI
15th Jul 2025525 AMAQI
15th Jul 2025526 AMAQI
15th Jul 2025527 AMAQI
15th Jul 2025528 AMAQI
15th Jul 2025519 AMAQI
15th Jul 20255810 AMAQI
15th Jul 20255811 AMAQI
15th Jul 20255812 PMAQI
15th Jul 2025531 PMAQI
15th Jul 2025522 PMAQI
15th Jul 2025483 PMAQI
15th Jul 2025444 PMAQI
15th Jul 2025505 PMAQI
15th Jul 2025526 PMAQI
15th Jul 2025527 PMAQI
15th Jul 2025538 PMAQI
15th Jul 2025509 PMAQI
15th Jul 20255010 PMAQI
15th Jul 20255111 PMAQI
16th Jul 20255112 AMAQI
16th Jul 2025521 AMAQI
16th Jul 2025502 AMAQI
16th Jul 2025523 AMAQI
24°C23/26°C
16th Jul 2025514 AMAQI
16th Jul 2025525 AMAQI
16th Jul 2025526 AMAQI
16th Jul 2025527 AMAQI
16th Jul 2025528 AMAQI
16th Jul 2025689 AMAQI
16th Jul 20256110 AMAQI
16th Jul 20256411 AMAQI
16th Jul 20256012 PMAQI
16th Jul 2025611 PMAQI
16th Jul 2025592 PMAQI
16th Jul 2025603 PMAQI
16th Jul 2025554 PMAQI
16th Jul 2025535 PMAQI
16th Jul 2025516 PMAQI
16th Jul 2025507 PMAQI
16th Jul 2025508 PMAQI
16th Jul 2025489 PMAQI
16th Jul 20255010 PMAQI
16th Jul 20254811 PMAQI
17th Jul 20254812 AMAQI
17th Jul 2025501 AMAQI
17th Jul 2025512 AMAQI
17th Jul 2025523 AMAQI
25°C22/29°C
17th Jul 2025514 AMAQI
17th Jul 2025525 AMAQI
17th Jul 2025536 AMAQI
17th Jul 2025517 AMAQI
17th Jul 2025528 AMAQI
17th Jul 2025369 AMAQI
17th Jul 20253410 AMAQI
17th Jul 20253211 AMAQI
17th Jul 20253212 PMAQI
17th Jul 2025421 PMAQI
17th Jul 2025512 PMAQI
17th Jul 2025533 PMAQI
17th Jul 2025564 PMAQI
17th Jul 2025575 PMAQI
17th Jul 2025546 PMAQI
17th Jul 2025557 PMAQI
17th Jul 2025528 PMAQI
17th Jul 2025509 PMAQI
17th Jul 20255010 PMAQI
17th Jul 20255011 PMAQI
18th Jul 20255212 AMAQI
18th Jul 2025511 AMAQI
18th Jul 2025492 AMAQI
18th Jul 2025493 AMAQI
25°C23/29°C
18th Jul 2025494 AMAQI
18th Jul 2025495 AMAQI
18th Jul 2025486 AMAQI
18th Jul 2025487 AMAQI
18th Jul 2025488 AMAQI
18th Jul 2025469 AMAQI
18th Jul 20254410 AMAQI
18th Jul 20254611 AMAQI
18th Jul 20254812 PMAQI
18th Jul 2025471 PMAQI
18th Jul 2025532 PMAQI
18th Jul 2025533 PMAQI
18th Jul 2025544 PMAQI
18th Jul 2025545 PMAQI
18th Jul 2025566 PMAQI
18th Jul 2025547 PMAQI
18th Jul 2025528 PMAQI
18th Jul 2025509 PMAQI
18th Jul 20255210 PMAQI
18th Jul 20255211 PMAQI
19th Jul 20255112 AMAQI
19th Jul 2025511 AMAQI
19th Jul 2025522 AMAQI
19th Jul 2025523 AMAQI
25°C22/28°C
19th Jul 2025524 AMAQI
19th Jul 2025515 AMAQI
19th Jul 2025526 AMAQI
19th Jul 2025527 AMAQI
19th Jul 2025518 AMAQI
19th Jul 2025429 AMAQI
19th Jul 20254210 AMAQI
19th Jul 20255011 AMAQI
19th Jul 20254812 PMAQI
19th Jul 2025451 PMAQI
19th Jul 2025442 PMAQI
19th Jul 2025343 PMAQI
19th Jul 2025394 PMAQI
19th Jul 2025395 PMAQI
19th Jul 2025366 PMAQI
19th Jul 2025397 PMAQI
19th Jul 2025408 PMAQI
19th Jul 2025449 PMAQI
19th Jul 20254410 PMAQI
19th Jul 20254411 PMAQI
20th Jul 20254712 AMAQI
20th Jul 2025491 AMAQI
20th Jul 2025502 AMAQI
20th Jul 2025503 AMAQI
24°C22/28°C
20th Jul 2025504 AMAQI
20th Jul 2025495 AMAQI
20th Jul 2025506 AMAQI
20th Jul 2025497 AMAQI
20th Jul 2025518 AMAQI
20th Jul 2025459 AMAQI
20th Jul 20255010 AMAQI
20th Jul 20255311 AMAQI
20th Jul 20254912 PMAQI
20th Jul 2025461 PMAQI
20th Jul 2025452 PMAQI
20th Jul 2025473 PMAQI
20th Jul 2025504 PMAQI
20th Jul 2025515 PMAQI
20th Jul 2025526 PMAQI
20th Jul 2025487 PMAQI
20th Jul 2025548 PMAQI
20th Jul 2025499 PMAQI
20th Jul 20255010 PMAQI
20th Jul 20255211 PMAQI
21st Jul 20254612 AMAQI
21st Jul 2025461 AMAQI
21st Jul 2025482 AMAQI
21st Jul 2025483 AMAQI
26°C23/29°C
21st Jul 2025484 AMAQI
21st Jul 2025485 AMAQI
21st Jul 2025496 AMAQI
21st Jul 2025497 AMAQI
21st Jul 2025498 AMAQI
21st Jul 2025489 AMAQI
21st Jul 20255510 AMAQI
21st Jul 20255611 AMAQI
21st Jul 20255712 PMAQI
21st Jul 2025531 PMAQI
21st Jul 2025562 PMAQI
21st Jul 2025533 PMAQI
21st Jul 2025464 PMAQI
21st Jul 2025485 PMAQI
21st Jul 2025486 PMAQI
21st Jul 2025527 PMAQI
21st Jul 2025468 PMAQI
21st Jul 2025499 PMAQI
21st Jul 20254810 PMAQI
21st Jul 20254711 PMAQI
22nd Jul 20254812 AMAQI
22nd Jul 2025461 AMAQI
22nd Jul 2025462 AMAQI
22nd Jul 2025463 AMAQI
26°C23/31°C
22nd Jul 2025474 AMAQI
22nd Jul 2025485 AMAQI
22nd Jul 2025496 AMAQI
22nd Jul 2025497 AMAQI
22nd Jul 2025498 AMAQI
22nd Jul 2025539 AMAQI
22nd Jul 20255110 AMAQI
22nd Jul 20256211 AMAQI
22nd Jul 20255612 PMAQI
22nd Jul 2025541 PMAQI
22nd Jul 2025512 PMAQI
22nd Jul 2025453 PMAQI
22nd Jul 2025484 PMAQI
22nd Jul 2025505 PMAQI
22nd Jul 2025466 PMAQI
22nd Jul 2025527 PMAQI
22nd Jul 2025508 PMAQI
22nd Jul 2025499 PMAQI
22nd Jul 20254610 PMAQI
22nd Jul 20254711 PMAQI
23rd Jul 20254612 AMAQI
23rd Jul 2025471 AMAQI
23rd Jul 2025472 AMAQI
23rd Jul 2025473 AMAQI
27°C23/32°C
23rd Jul 2025484 AMAQI
23rd Jul 2025505 AMAQI
23rd Jul 2025506 AMAQI
23rd Jul 2025497 AMAQI
23rd Jul 2025488 AMAQI
23rd Jul 2025529 AMAQI
23rd Jul 20256310 AMAQI
23rd Jul 20255311 AMAQI
23rd Jul 20255412 PMAQI
23rd Jul 2025541 PMAQI
23rd Jul 2025552 PMAQI
23rd Jul 2025543 PMAQI
23rd Jul 2025564 PMAQI
23rd Jul 2025555 PMAQI
23rd Jul 2025576 PMAQI
23rd Jul 2025587 PMAQI
23rd Jul 2025578 PMAQI
23rd Jul 2025539 PMAQI
23rd Jul 20255010 PMAQI
23rd Jul 20254811 PMAQI
24th Jul 20254712 AMAQI
24th Jul 2025481 AMAQI
24th Jul 2025472 AMAQI
24th Jul 2025483 AMAQI
27°C24/32°C
24th Jul 2025484 AMAQI
24th Jul 2025515 AMAQI
24th Jul 2025516 AMAQI
24th Jul 2025517 AMAQI
24th Jul 2025518 AMAQI
24th Jul 2025489 AMAQI
24th Jul 20255910 AMAQI
24th Jul 20255911 AMAQI
24th Jul 20255712 PMAQI
24th Jul 2025561 PMAQI
24th Jul 2025512 PMAQI
24th Jul 2025503 PMAQI
24th Jul 2025554 PMAQI
24th Jul 2025565 PMAQI
24th Jul 2025556 PMAQI
24th Jul 2025577 PMAQI
24th Jul 2025588 PMAQI
24th Jul 2025579 PMAQI
24th Jul 20255710 PMAQI
24th Jul 20255811 PMAQI
25th Jul 20255412 AMAQI
25th Jul 2025521 AMAQI
25th Jul 2025492 AMAQI
25th Jul 2025493 AMAQI
27°C24/32°C
25th Jul 2025494 AMAQI
25th Jul 2025525 AMAQI
25th Jul 2025526 AMAQI
25th Jul 2025527 AMAQI
25th Jul 2025528 AMAQI
25th Jul 2025569 AMAQI
25th Jul 20256210 AMAQI
25th Jul 20256111 AMAQI
25th Jul 20256012 PMAQI
25th Jul 2025601 PMAQI
25th Jul 2025602 PMAQI
25th Jul 2025613 PMAQI
25th Jul 2025584 PMAQI
25th Jul 2025585 PMAQI
25th Jul 2025606 PMAQI
25th Jul 2025587 PMAQI
25th Jul 2025588 PMAQI
25th Jul 2025559 PMAQI
25th Jul 20255510 PMAQI
25th Jul 20255411 PMAQI
26th Jul 20255412 AMAQI
26th Jul 2025531 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025523 AMAQI
27°C23/32°C
26th Jul 2025514 AMAQI
26th Jul 2025535 AMAQI
26th Jul 2025546 AMAQI
26th Jul 2025537 AMAQI
26th Jul 2025538 AMAQI
26th Jul 2025629 AMAQI
26th Jul 20256310 AMAQI
26th Jul 20256711 AMAQI
26th Jul 20256412 PMAQI
26th Jul 2025571 PMAQI
26th Jul 2025592 PMAQI
26th Jul 2025583 PMAQI
26th Jul 2025564 PMAQI
26th Jul 2025565 PMAQI
26th Jul 2025566 PMAQI
26th Jul 2025557 PMAQI
26th Jul 2025588 PMAQI
26th Jul 2025569 PMAQI
26th Jul 20255410 PMAQI
26th Jul 20255411 PMAQI
27th Jul 20255612 AMAQI
27th Jul 2025541 AMAQI
27th Jul 2025522 AMAQI
27th Jul 2025523 AMAQI
26°C23/31°C
27th Jul 2025544 AMAQI
27th Jul 2025555 AMAQI
27th Jul 2025556 AMAQI
27th Jul 2025547 AMAQI
27th Jul 2025548 AMAQI
27th Jul 2025559 AMAQI
27th Jul 20256010 AMAQI
27th Jul 20256111 AMAQI
27th Jul 20256012 PMAQI
27th Jul 2025591 PMAQI
27th Jul 2025582 PMAQI
27th Jul 2025563 PMAQI
27th Jul 2025584 PMAQI
27th Jul 2025625 PMAQI
27th Jul 2025616 PMAQI
27th Jul 2025607 PMAQI
27th Jul 2025608 PMAQI
27th Jul 2025579 PMAQI
27th Jul 20255710 PMAQI
27th Jul 20255611 PMAQI
28th Jul 20255712 AMAQI
28th Jul 2025571 AMAQI
28th Jul 2025532 AMAQI
28th Jul 2025543 AMAQI
27°C24/32°C
28th Jul 2025534 AMAQI
28th Jul 2025545 AMAQI
28th Jul 2025546 AMAQI
28th Jul 2025547 AMAQI
28th Jul 2025548 AMAQI
28th Jul 2025569 AMAQI
28th Jul 20255310 AMAQI
28th Jul 20255411 AMAQI
28th Jul 20255012 PMAQI
28th Jul 2025471 PMAQI
28th Jul 2025492 PMAQI
28th Jul 2025503 PMAQI
28th Jul 2025384 PMAQI
28th Jul 2025395 PMAQI
28th Jul 2025416 PMAQI
28th Jul 2025417 PMAQI
28th Jul 2025528 PMAQI
28th Jul 2025549 PMAQI
28th Jul 20255410 PMAQI
28th Jul 20255211 PMAQI
29th Jul 20255212 AMAQI
29th Jul 2025541 AMAQI
29th Jul 2025542 AMAQI
29th Jul 2025543 AMAQI
27°C24/32°C
29th Jul 2025544 AMAQI
29th Jul 2025535 AMAQI
29th Jul 2025546 AMAQI
29th Jul 2025547 AMAQI
29th Jul 2025538 AMAQI
29th Jul 2025579 AMAQI
29th Jul 20255810 AMAQI
29th Jul 20256011 AMAQI
29th Jul 20256112 PMAQI
29th Jul 2025571 PMAQI
29th Jul 2025552 PMAQI
29th Jul 2025553 PMAQI
29th Jul 2025504 PMAQI
29th Jul 2025535 PMAQI
29th Jul 2025496 PMAQI
29th Jul 2025347 PMAQI
29th Jul 2025388 PMAQI
29th Jul 2025469 PMAQI
29th Jul 20254710 PMAQI
29th Jul 20254811 PMAQI
30th Jul 20254412 AMAQI
30th Jul 2025461 AMAQI
30th Jul 2025532 AMAQI
30th Jul 2025533 AMAQI
27°C23/31°C
30th Jul 2025544 AMAQI
30th Jul 2025545 AMAQI
30th Jul 2025546 AMAQI
30th Jul 2025547 AMAQI
30th Jul 2025548 AMAQI
30th Jul 2025439 AMAQI
30th Jul 20254910 AMAQI
30th Jul 20255211 AMAQI
30th Jul 20253512 PMAQI
30th Jul 2025331 PMAQI
30th Jul 2025252 PMAQI
30th Jul 2025263 PMAQI
30th Jul 2025344 PMAQI
30th Jul 2025385 PMAQI
30th Jul 2025426 PMAQI
30th Jul 2025387 PMAQI
30th Jul 2025448 PMAQI
30th Jul 2025489 PMAQI
30th Jul 20255010 PMAQI
30th Jul 20254711 PMAQI
31st Jul 20254812 AMAQI
31st Jul 2025501 AMAQI
31st Jul 2025522 AMAQI
31st Jul 2025523 AMAQI
25°C22/28°C
31st Jul 2025524 AMAQI
31st Jul 2025525 AMAQI
31st Jul 2025526 AMAQI
31st Jul 2025527 AMAQI
31st Jul 2025528 AMAQI
31st Jul 2025529 AMAQI
31st Jul 20255210 AMAQI
31st Jul 20253811 AMAQI
31st Jul 20253312 PMAQI
31st Jul 2025341 PMAQI
31st Jul 2025292 PMAQI
31st Jul 2025263 PMAQI
31st Jul 2025324 PMAQI
31st Jul 2025345 PMAQI
31st Jul 2025326 PMAQI
31st Jul 2025307 PMAQI
31st Jul 2025288 PMAQI
31st Jul 2025339 PMAQI
31st Jul 20253210 PMAQI
31st Jul 20252811 PMAQI
1st Aug 20253012 AMAQI
1st Aug 2025351 AMAQI
1st Aug 2025402 AMAQI
1st Aug 2025423 AMAQI
25°C22/28°C
1st Aug 2025434 AMAQI
1st Aug 2025415 AMAQI
1st Aug 2025426 AMAQI
1st Aug 2025407 AMAQI
1st Aug 2025408 AMAQI
1st Aug 2025299 AMAQI
1st Aug 20253610 AMAQI
1st Aug 20253311 AMAQI
1st Aug 20253812 PMAQI
1st Aug 2025301 PMAQI
1st Aug 2025322 PMAQI
1st Aug 2025263 PMAQI
1st Aug 2025404 PMAQI
1st Aug 2025435 PMAQI
1st Aug 2025366 PMAQI
1st Aug 2025257 PMAQI
1st Aug 2025318 PMAQI
1st Aug 2025319 PMAQI
1st Aug 20253610 PMAQI
1st Aug 20253211 PMAQI
2nd Aug 20253012 AMAQI
2nd Aug 2025341 AMAQI
2nd Aug 2025392 AMAQI
2nd Aug 2025403 AMAQI
24°C21/27°C
2nd Aug 2025414 AMAQI
2nd Aug 2025415 AMAQI
2nd Aug 2025426 AMAQI
2nd Aug 2025397 AMAQI
2nd Aug 2025408 AMAQI
2nd Aug 2025349 AMAQI
2nd Aug 20253110 AMAQI
2nd Aug 20253411 AMAQI
2nd Aug 20253512 PMAQI
2nd Aug 2025351 PMAQI
2nd Aug 2025402 PMAQI
2nd Aug 2025453 PMAQI
2nd Aug 2025364 PMAQI
2nd Aug 2025325 PMAQI
2nd Aug 2025406 PMAQI
2nd Aug 2025527 PMAQI
2nd Aug 2025368 PMAQI
2nd Aug 2025369 PMAQI
2nd Aug 20253210 PMAQI
2nd Aug 20253611 PMAQI
3rd Aug 20252912 AMAQI
3rd Aug 2025341 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025383 AMAQI
26°C24/30°C
3rd Aug 2025384 AMAQI
3rd Aug 2025385 AMAQI
3rd Aug 2025386 AMAQI
3rd Aug 2025377 AMAQI
3rd Aug 2025388 AMAQI
3rd Aug 2025419 AMAQI
3rd Aug 20254110 AMAQI
3rd Aug 20254811 AMAQI
3rd Aug 20255512 PMAQI
3rd Aug 2025481 PMAQI
3rd Aug 2025542 PMAQI
3rd Aug 2025433 PMAQI
3rd Aug 2025364 PMAQI
3rd Aug 2025485 PMAQI
3rd Aug 2025476 PMAQI
3rd Aug 2025477 PMAQI
3rd Aug 2025368 PMAQI
3rd Aug 2025359 PMAQI
3rd Aug 20253410 PMAQI
3rd Aug 20253611 PMAQI
4th Aug 20253412 AMAQI
4th Aug 2025361 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025373 AMAQI
27°C24/31°C
4th Aug 2025394 AMAQI
4th Aug 2025405 AMAQI
4th Aug 2025396 AMAQI
4th Aug 2025387 AMAQI
4th Aug 2025408 AMAQI
4th Aug 2025489 AMAQI
4th Aug 20254710 AMAQI
4th Aug 20255411 AMAQI
4th Aug 20255212 PMAQI
4th Aug 2025531 PMAQI
4th Aug 2025512 PMAQI
4th Aug 2025533 PMAQI
4th Aug 2025524 PMAQI
4th Aug 2025525 PMAQI
4th Aug 2025576 PMAQI
4th Aug 2025567 PMAQI
4th Aug 2025568 PMAQI
4th Aug 2025549 PMAQI
4th Aug 20255010 PMAQI
4th Aug 20254311 PMAQI
5th Aug 20254112 AMAQI
5th Aug 2025401 AMAQI
5th Aug 2025382 AMAQI
5th Aug 2025383 AMAQI
26°C24/30°C
5th Aug 2025424 AMAQI
5th Aug 2025435 AMAQI
5th Aug 2025406 AMAQI
5th Aug 2025427 AMAQI
5th Aug 2025428 AMAQI
5th Aug 2025409 AMAQI
5th Aug 20255010 AMAQI
5th Aug 20254711 AMAQI
5th Aug 20255012 PMAQI
5th Aug 2025401 PMAQI
5th Aug 2025362 PMAQI
5th Aug 2025493 PMAQI
5th Aug 2025494 PMAQI
5th Aug 2025465 PMAQI
5th Aug 2025406 PMAQI
5th Aug 2025357 PMAQI
5th Aug 2025388 PMAQI
5th Aug 2025399 PMAQI
5th Aug 20253610 PMAQI
5th Aug 20253611 PMAQI
6th Aug 20253612 AMAQI
6th Aug 2025421 AMAQI
6th Aug 2025422 AMAQI
6th Aug 2025433 AMAQI
29°C25/33°C
6th Aug 2025444 AMAQI
4 AM6th Aug 2025465 AMAQI
6th Aug 2025446 AMAQI
6th Aug 2025447 AMAQI
6th Aug 2025448 AMAQI
6th Aug 2025389 AMAQI
6th Aug 20253610 AMAQI
6th Aug 20253611 AMAQI
11 AM6th Aug 20254512 PMAQI
6th Aug 2025361 PMAQI
6th Aug 2025332 PMAQI
6th Aug 2025333 PMAQI
6th Aug 2025404 PMAQI
6th Aug 2025455 PMAQI
6th Aug 2025366 PMAQI
6 PM6th Aug 2025367 PMAQI
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 6 PM
50AQI
15 hours / Day
450 hours / Month
Avg. Lowest Time
4 AM - 6 PM
50AQI
15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 6 PM (Avg. 50), while the lowest AQI was between 4 AM to 6 PM (Avg. 50).
Night time
Avg. Highest Time
12 AM - 11 PM
49AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
49AQI
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. 49), while the lowest AQI was between 12 AM to 11 PM (Avg. 49).
2025 Days Vs Air Quality
Chaa, Natori Shi, Miyagi, Japan
2025
83%
180
17%
37
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Good
180 DaysModerate
37 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2025, 83% of 218 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Chaa, Natori Shi, 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
29AQI
29AQI
2nd January 2025
26AQI
26AQI
3rd January 2025
25AQI
25AQI
4th January 2025
24AQI
24AQI
5th January 2025
25AQI
25AQI
6th January 2025
33AQI
33AQI
7th January 2025
24AQI
24AQI
8th January 2025
26AQI
26AQI
9th January 2025
23AQI
23AQI
10th January 2025
21AQI
21AQI
11th January 2025
23AQI
23AQI
12th January 2025
25AQI
25AQI
13th January 2025
25AQI
25AQI
14th January 2025
31AQI
31AQI
15th January 2025
24AQI
24AQI
16th January 2025
26AQI
26AQI
17th January 2025
23AQI
23AQI
18th January 2025
26AQI
26AQI
19th January 2025
33AQI
33AQI
20th January 2025
41AQI
41AQI
21st January 2025
48AQI
48AQI
22nd January 2025
40AQI
40AQI
23rd January 2025
40AQI
40AQI
24th January 2025
40AQI
40AQI
25th January 2025
33AQI
33AQI
26th January 2025
29AQI
29AQI
27th January 2025
30AQI
30AQI
28th January 2025
29AQI
29AQI
29th January 2025
25AQI
25AQI
30th January 2025
26AQI
26AQI
31st January 2025
26AQI
26AQI
1st February 2025
31AQI
31AQI
2nd February 2025
31AQI
31AQI
3rd February 2025
33AQI
33AQI
4th February 2025
29AQI
29AQI
5th February 2025
24AQI
24AQI
6th February 2025
24AQI
24AQI
7th February 2025
29AQI
29AQI
8th February 2025
24AQI
24AQI
9th February 2025
25AQI
25AQI
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
23AQI
23AQI
16th February 2025
33AQI
33AQI
17th February 2025
39AQI
39AQI
18th February 2025
26AQI
26AQI
19th February 2025
28AQI
28AQI
20th February 2025
22AQI
22AQI
21st February 2025
23AQI
23AQI
22nd February 2025
22AQI
22AQI
23rd February 2025
22AQI
22AQI
24th February 2025
24AQI
24AQI
25th February 2025
31AQI
31AQI
26th February 2025
39AQI
39AQI
27th February 2025
38AQI
38AQI
28th February 2025
52AQI
52AQI
1st March 2025
50AQI
50AQI
2nd March 2025
59AQI
59AQI
3rd March 2025
36AQI
36AQI
4th March 2025
37AQI
37AQI
5th March 2025
25AQI
25AQI
6th March 2025
27AQI
27AQI
7th March 2025
26AQI
26AQI
8th March 2025
33AQI
33AQI
9th March 2025
30AQI
30AQI
10th March 2025
43AQI
43AQI
11th March 2025
42AQI
42AQI
12th March 2025
47AQI
47AQI
13th March 2025
52AQI
52AQI
14th March 2025
43AQI
43AQI
15th March 2025
46AQI
46AQI
16th March 2025
31AQI
31AQI
17th March 2025
24AQI
24AQI
18th March 2025
31AQI
31AQI
19th March 2025
25AQI
25AQI
20th March 2025
32AQI
32AQI
21st March 2025
50AQI
50AQI
22nd March 2025
55AQI
55AQI
23rd March 2025
46AQI
46AQI
24th March 2025
41AQI
41AQI
25th March 2025
64AQI
64AQI
26th March 2025
64AQI
64AQI
27th March 2025
63AQI
63AQI
28th March 2025
53AQI
53AQI
29th March 2025
39AQI
39AQI
30th March 2025
38AQI
38AQI
31st March 2025
39AQI
39AQI
1st April 2025
31AQI
31AQI
2nd April 2025
28AQI
28AQI
3rd April 2025
23AQI
23AQI
4th April 2025
22AQI
22AQI
5th April 2025
26AQI
26AQI
6th April 2025
33AQI
33AQI
7th April 2025
31AQI
31AQI
8th April 2025
40AQI
40AQI
9th April 2025
33AQI
33AQI
10th April 2025
45AQI
45AQI
11th April 2025
49AQI
49AQI
12th April 2025
38AQI
38AQI
13th April 2025
28AQI
28AQI
14th April 2025
24AQI
24AQI
15th April 2025
23AQI
23AQI
16th April 2025
24AQI
24AQI
17th April 2025
44AQI
44AQI
18th April 2025
50AQI
50AQI
19th April 2025
66AQI
66AQI
20th April 2025
57AQI
57AQI
21st April 2025
48AQI
48AQI
22nd April 2025
49AQI
49AQI
23rd April 2025
46AQI
46AQI
24th April 2025
43AQI
43AQI
25th April 2025
39AQI
39AQI
26th April 2025
53AQI
53AQI
27th April 2025
53AQI
53AQI
28th April 2025
53AQI
53AQI
29th April 2025
32AQI
32AQI
30th April 2025
28AQI
28AQI
1st May 2025
26AQI
26AQI
2nd May 2025
27AQI
27AQI
3rd May 2025
32AQI
32AQI
4th May 2025
32AQI
32AQI
5th May 2025
36AQI
36AQI
6th May 2025
31AQI
31AQI
7th May 2025
28AQI
28AQI
8th May 2025
37AQI
37AQI
9th May 2025
37AQI
37AQI
10th May 2025
30AQI
30AQI
11th May 2025
26AQI
26AQI
12th May 2025
27AQI
27AQI
13th May 2025
42AQI
42AQI
14th May 2025
45AQI
45AQI
15th May 2025
44AQI
44AQI
16th May 2025
51AQI
51AQI
17th May 2025
42AQI
42AQI
18th May 2025
47AQI
47AQI
19th May 2025
43AQI
43AQI
20th May 2025
54AQI
54AQI
21st May 2025
55AQI
55AQI
22nd May 2025
48AQI
48AQI
23rd May 2025
47AQI
47AQI
24th May 2025
41AQI
41AQI
25th May 2025
29AQI
29AQI
26th May 2025
29AQI
29AQI
27th May 2025
32AQI
32AQI
28th May 2025
31AQI
31AQI
29th May 2025
34AQI
34AQI
30th May 2025
29AQI
29AQI
31st May 2025
21AQI
21AQI
1st June 2025
22AQI
22AQI
2nd June 2025
37AQI
37AQI
3rd June 2025
41AQI
41AQI
4th June 2025
34AQI
34AQI
5th June 2025
37AQI
37AQI
6th June 2025
45AQI
45AQI
7th June 2025
55AQI
55AQI
8th June 2025
58AQI
58AQI
9th June 2025
60AQI
60AQI
10th June 2025
50AQI
50AQI
11th June 2025
44AQI
44AQI
12th June 2025
42AQI
42AQI
13th June 2025
35AQI
35AQI
14th June 2025
40AQI
40AQI
15th June 2025
29AQI
29AQI
16th June 2025
25AQI
25AQI
17th June 2025
29AQI
29AQI
18th June 2025
34AQI
34AQI
19th June 2025
40AQI
40AQI
20th June 2025
35AQI
35AQI
21st June 2025
35AQI
35AQI
22nd June 2025
37AQI
37AQI
23rd June 2025
44AQI
44AQI
24th June 2025
38AQI
38AQI
25th June 2025
40AQI
40AQI
26th June 2025
34AQI
34AQI
27th June 2025
34AQI
34AQI
28th June 2025
33AQI
33AQI
29th June 2025
36AQI
36AQI
30th June 2025
42AQI
42AQI
1st July 2025
44AQI
44AQI
2nd July 2025
47AQI
47AQI
3rd July 2025
54AQI
54AQI
4th July 2025
54AQI
54AQI
5th July 2025
54AQI
54AQI
6th July 2025
57AQI
57AQI
7th July 2025
57AQI
57AQI
8th July 2025
58AQI
58AQI
9th July 2025
67AQI
67AQI
10th July 2025
55AQI
55AQI
11th July 2025
50AQI
50AQI
12th July 2025
48AQI
48AQI
13th July 2025
50AQI
50AQI
14th July 2025
46AQI
46AQI
15th July 2025
52AQI
52AQI
16th July 2025
53AQI
53AQI
17th July 2025
49AQI
49AQI
18th July 2025
51AQI
51AQI
19th July 2025
45AQI
45AQI
20th July 2025
49AQI
49AQI
21st July 2025
49AQI
49AQI
22nd July 2025
49AQI
49AQI
23rd July 2025
52AQI
52AQI
24th July 2025
53AQI
53AQI
25th July 2025
55AQI
55AQI
26th July 2025
56AQI
56AQI
27th July 2025
57AQI
57AQI
28th July 2025
51AQI
51AQI
29th July 2025
52AQI
52AQI
30th July 2025
45AQI
45AQI
31st July 2025
40AQI
40AQI
1st August 2025
36AQI
36AQI
2nd August 2025
38AQI
38AQI
3rd August 2025
40AQI
40AQI
4th August 2025
47AQI
47AQI
5th August 2025
41AQI
41AQI
29AQI
29AQI
42AQI
39AQI
37AQI
39AQI
52AQI
40AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202538AQI
31
27
1
24
7
25
5
28
3
27
3
13
18
5
180
37
Highest AQI recorded in
July52AQI
Lowest AQI recorded in
February29AQI
202436AQI
31
27
2
27
4
14
15
1
25
6
26
4
23
8
31
30
31
28
2
31
324
41
1
Highest AQI recorded in
April53AQI
Lowest AQI recorded in
December23AQI
202338AQI
27
4
26
2
18
11
14
16
20
11
24
6
21
10
24
7
30
30
1
24
5
29
2
287
75
Highest AQI recorded in
April52AQI
Lowest AQI recorded in
January30AQI
202235AQI
31
21
24
7
20
10
22
9
24
6
22
2
1
1
27
1
28
3
27
3
31
278
42
Highest AQI recorded in
August49AQI
Lowest AQI recorded in
December21AQI
202133AQI
30
1
24
4
22
8
1
26
4
27
4
24
6
26
5
29
2
30
30
1
29
1
31
328
36
1
Highest AQI recorded in
March44AQI
Lowest AQI recorded in
December27AQI
202033AQI
11
2
19
2
16
2
26
4
31
20
11
19
30
1
26
4
30
1
228
27
Highest AQI recorded in
August45AQI
Lowest AQI recorded in
December22AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
38AQILeast Polluted Year Recorded
2020(Avg.)
33AQIChaa's annual 2025 AQI (38) shows an average percentage change of 9.2% (worsened AQI) compared to previous years: 2020 (33), 2021 (33), 2022 (35), 2023 (38), 2024 (36).
