Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

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

Rifu, Miyagi, Japan

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
16th Aug 2023
55AQI
Lowest AQI recorded on
8th Aug 2021
12AQI

Same Day Analysis (19th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 39 of Good air quality, showing improvement over 2023 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 20th Aug - 21st Aug 2025

Rifu, Miyagi, Japan

AQI
Day
Night
.

4 AM20th Aug 2025

6 PM

3 AM21st Aug 2025

Day time
Avg. Highest Time
2PM20th Aug

58AQI

Avg. Lowest Time
8AM20th Aug

37AQI

Night time
Avg. Highest Time
7PM20th Aug

51AQI

Avg. Lowest Time
11PM20th Aug

36AQI

In the last 24 hours,

Rifu's AQI reached its highest point of 58 at 2 PM during the Day, while the lowest point, 36, was recorded at 11 PM during the Night between 20th Aug and 21st Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Rifu, Miyagi, Japan

JulAug
22nd - 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 - 19th19th - 20th20th - 21st21st
Day
Night
22nd Jul 2025484 AMAQI
22nd Jul 2025505 AMAQI
22nd Jul 2025506 AMAQI
22nd Jul 2025517 AMAQI
22nd Jul 2025508 AMAQI
22nd Jul 2025539 AMAQI
22nd Jul 20254910 AMAQI
22nd Jul 20256311 AMAQI
22nd Jul 20256312 PMAQI
22nd Jul 2025571 PMAQI
22nd Jul 2025542 PMAQI
22nd Jul 2025533 PMAQI
22nd Jul 2025484 PMAQI
22nd Jul 2025495 PMAQI
22nd Jul 2025506 PMAQI
22nd Jul 2025537 PMAQI
22nd Jul 2025518 PMAQI
22nd Jul 2025499 PMAQI
22nd Jul 20255010 PMAQI
22nd Jul 20255011 PMAQI
23rd Jul 20254912 AMAQI
23rd Jul 2025491 AMAQI
23rd Jul 2025482 AMAQI
23rd Jul 2025493 AMAQI

27°C23/32°C

23rd Jul 2025504 AMAQI
23rd Jul 2025515 AMAQI
23rd Jul 2025516 AMAQI
23rd Jul 2025517 AMAQI
23rd Jul 2025518 AMAQI
23rd Jul 2025609 AMAQI
23rd Jul 20256010 AMAQI
23rd Jul 20255711 AMAQI
23rd Jul 20255912 PMAQI
23rd Jul 2025561 PMAQI
23rd Jul 2025562 PMAQI
23rd Jul 2025563 PMAQI
23rd Jul 2025574 PMAQI
23rd Jul 2025555 PMAQI
23rd Jul 2025566 PMAQI
23rd Jul 2025577 PMAQI
23rd Jul 2025568 PMAQI
23rd Jul 2025529 PMAQI
23rd Jul 20255210 PMAQI
23rd Jul 20255311 PMAQI
24th Jul 20255512 AMAQI
24th Jul 2025521 AMAQI
24th Jul 2025492 AMAQI
24th Jul 2025503 AMAQI

27°C24/32°C

24th Jul 2025514 AMAQI
24th Jul 2025525 AMAQI
24th Jul 2025516 AMAQI
24th Jul 2025527 AMAQI
24th Jul 2025528 AMAQI
24th Jul 2025559 AMAQI
24th Jul 20256210 AMAQI
24th Jul 20256611 AMAQI
24th Jul 20256612 PMAQI
24th Jul 2025571 PMAQI
24th Jul 2025522 PMAQI
24th Jul 2025543 PMAQI
24th Jul 2025554 PMAQI
24th Jul 2025545 PMAQI
24th Jul 2025566 PMAQI
24th Jul 2025577 PMAQI
24th Jul 2025568 PMAQI
24th Jul 2025569 PMAQI
24th Jul 20255710 PMAQI
24th Jul 20255411 PMAQI
25th Jul 20255512 AMAQI
25th Jul 2025541 AMAQI
25th Jul 2025532 AMAQI
25th Jul 2025523 AMAQI

27°C24/31°C

25th Jul 2025524 AMAQI
25th Jul 2025535 AMAQI
25th Jul 2025536 AMAQI
25th Jul 2025537 AMAQI
25th Jul 2025538 AMAQI
25th Jul 2025599 AMAQI
25th Jul 20256410 AMAQI
25th Jul 20256011 AMAQI
25th Jul 20255912 PMAQI
25th Jul 2025551 PMAQI
25th Jul 2025562 PMAQI
25th Jul 2025583 PMAQI
25th Jul 2025594 PMAQI
25th Jul 2025595 PMAQI
25th Jul 2025586 PMAQI
25th Jul 2025597 PMAQI
25th Jul 2025608 PMAQI
25th Jul 2025569 PMAQI
25th Jul 20255610 PMAQI
25th Jul 20255711 PMAQI
26th Jul 20255712 AMAQI
26th Jul 2025561 AMAQI
26th Jul 2025532 AMAQI
26th Jul 2025533 AMAQI

27°C24/31°C

26th Jul 2025534 AMAQI
26th Jul 2025545 AMAQI
26th Jul 2025546 AMAQI
26th Jul 2025547 AMAQI
26th Jul 2025548 AMAQI
26th Jul 2025609 AMAQI
26th Jul 20256410 AMAQI
26th Jul 20256311 AMAQI
26th Jul 20256412 PMAQI
26th Jul 2025591 PMAQI
26th Jul 2025612 PMAQI
26th Jul 2025593 PMAQI
26th Jul 2025564 PMAQI
26th Jul 2025555 PMAQI
26th Jul 2025586 PMAQI
26th Jul 2025587 PMAQI
26th Jul 2025608 PMAQI
26th Jul 2025579 PMAQI
26th Jul 20255710 PMAQI
26th Jul 20255711 PMAQI
27th Jul 20255812 AMAQI
27th Jul 2025551 AMAQI
27th Jul 2025552 AMAQI
27th Jul 2025533 AMAQI

26°C23/31°C

27th Jul 2025544 AMAQI
27th Jul 2025565 AMAQI
27th Jul 2025566 AMAQI
27th Jul 2025557 AMAQI
27th Jul 2025558 AMAQI
27th Jul 2025579 AMAQI
27th Jul 20256010 AMAQI
27th Jul 20256211 AMAQI
27th Jul 20255912 PMAQI
27th Jul 2025621 PMAQI
27th Jul 2025622 PMAQI
27th Jul 2025583 PMAQI
27th Jul 2025594 PMAQI
27th Jul 2025585 PMAQI
27th Jul 2025616 PMAQI
27th Jul 2025617 PMAQI
27th Jul 2025608 PMAQI
27th Jul 2025589 PMAQI
27th Jul 20255710 PMAQI
27th Jul 20255711 PMAQI
28th Jul 20255712 AMAQI
28th Jul 2025571 AMAQI
28th Jul 2025552 AMAQI
28th Jul 2025553 AMAQI

27°C24/31°C

28th Jul 2025554 AMAQI
28th Jul 2025565 AMAQI
28th Jul 2025566 AMAQI
28th Jul 2025557 AMAQI
28th Jul 2025568 AMAQI
28th Jul 2025449 AMAQI
28th Jul 20253910 AMAQI
28th Jul 20253911 AMAQI
28th Jul 20255212 PMAQI
28th Jul 2025511 PMAQI
28th Jul 2025492 PMAQI
28th Jul 2025543 PMAQI
28th Jul 2025564 PMAQI
28th Jul 2025535 PMAQI
28th Jul 2025516 PMAQI
28th Jul 2025527 PMAQI
28th Jul 2025538 PMAQI
28th Jul 2025569 PMAQI
28th Jul 20255610 PMAQI
28th Jul 20255611 PMAQI
29th Jul 20255612 AMAQI
29th Jul 2025561 AMAQI
29th Jul 2025562 AMAQI
29th Jul 2025563 AMAQI

27°C24/32°C

29th Jul 2025564 AMAQI
29th Jul 2025555 AMAQI
29th Jul 2025556 AMAQI
29th Jul 2025557 AMAQI
29th Jul 2025558 AMAQI
29th Jul 2025599 AMAQI
29th Jul 20256310 AMAQI
29th Jul 20256511 AMAQI
29th Jul 20256212 PMAQI
29th Jul 2025591 PMAQI
29th Jul 2025612 PMAQI
29th Jul 2025563 PMAQI
29th Jul 2025544 PMAQI
29th Jul 2025545 PMAQI
29th Jul 2025526 PMAQI
29th Jul 2025427 PMAQI
29th Jul 2025408 PMAQI
29th Jul 2025499 PMAQI
29th Jul 20255010 PMAQI
29th Jul 20255011 PMAQI
30th Jul 20254912 AMAQI
30th Jul 2025521 AMAQI
30th Jul 2025552 AMAQI
30th Jul 2025543 AMAQI

26°C23/30°C

30th Jul 2025554 AMAQI
30th Jul 2025565 AMAQI
30th Jul 2025566 AMAQI
30th Jul 2025567 AMAQI
30th Jul 2025568 AMAQI
30th Jul 2025379 AMAQI
30th Jul 20253810 AMAQI
30th Jul 20254011 AMAQI
30th Jul 20253112 PMAQI
30th Jul 2025321 PMAQI
30th Jul 2025302 PMAQI
30th Jul 2025333 PMAQI
30th Jul 2025424 PMAQI
30th Jul 2025425 PMAQI
30th Jul 2025426 PMAQI
30th Jul 2025427 PMAQI
30th Jul 2025458 PMAQI
30th Jul 2025519 PMAQI
30th Jul 20255110 PMAQI
30th Jul 20254911 PMAQI
31st Jul 20255012 AMAQI
31st Jul 2025541 AMAQI
31st Jul 2025532 AMAQI
31st Jul 2025533 AMAQI

25°C23/28°C

31st Jul 2025544 AMAQI
31st Jul 2025545 AMAQI
31st Jul 2025546 AMAQI
31st Jul 2025547 AMAQI
31st Jul 2025548 AMAQI
31st Jul 2025549 AMAQI
31st Jul 20255410 AMAQI
31st Jul 20254211 AMAQI
31st Jul 20253212 PMAQI
31st Jul 2025341 PMAQI
31st Jul 2025362 PMAQI
31st Jul 2025383 PMAQI
31st Jul 2025384 PMAQI
31st Jul 2025385 PMAQI
31st Jul 2025356 PMAQI
31st Jul 2025327 PMAQI
31st Jul 2025338 PMAQI
31st Jul 2025319 PMAQI
31st Jul 20253210 PMAQI
31st Jul 20252911 PMAQI
1st Aug 20253012 AMAQI
1st Aug 2025351 AMAQI
1st Aug 2025392 AMAQI
1st Aug 2025403 AMAQI

25°C23/27°C

1st Aug 2025434 AMAQI
1st Aug 2025405 AMAQI
1st Aug 2025406 AMAQI
1st Aug 2025407 AMAQI
1st Aug 2025398 AMAQI
1st Aug 2025309 AMAQI
1st Aug 20253610 AMAQI
1st Aug 20253811 AMAQI
1st Aug 20254412 PMAQI
1st Aug 2025331 PMAQI
1st Aug 2025362 PMAQI
1st Aug 2025343 PMAQI
1st Aug 2025424 PMAQI
1st Aug 2025435 PMAQI
1st Aug 2025396 PMAQI
1st Aug 2025267 PMAQI
1st Aug 2025328 PMAQI
1st Aug 2025309 PMAQI
1st Aug 20253410 PMAQI
1st Aug 20253111 PMAQI
2nd Aug 20252912 AMAQI
2nd Aug 2025341 AMAQI
2nd Aug 2025392 AMAQI
2nd Aug 2025413 AMAQI

25°C22/27°C

2nd Aug 2025404 AMAQI
2nd Aug 2025415 AMAQI
2nd Aug 2025426 AMAQI
2nd Aug 2025407 AMAQI
2nd Aug 2025408 AMAQI
2nd Aug 2025329 AMAQI
2nd Aug 20253210 AMAQI
2nd Aug 20253611 AMAQI
2nd Aug 20253412 PMAQI
2nd Aug 2025381 PMAQI
2nd Aug 2025452 PMAQI
2nd Aug 2025493 PMAQI
2nd Aug 2025394 PMAQI
2nd Aug 2025375 PMAQI
2nd Aug 2025436 PMAQI
2nd Aug 2025487 PMAQI
2nd Aug 2025368 PMAQI
2nd Aug 2025369 PMAQI
2nd Aug 20253310 PMAQI
2nd Aug 20253711 PMAQI
3rd Aug 20252912 AMAQI
3rd Aug 2025341 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025373 AMAQI

27°C25/31°C

3rd Aug 2025384 AMAQI
3rd Aug 2025385 AMAQI
3rd Aug 2025376 AMAQI
3rd Aug 2025377 AMAQI
3rd Aug 2025388 AMAQI
3rd Aug 2025429 AMAQI
3rd Aug 20254310 AMAQI
3rd Aug 20254511 AMAQI
3rd Aug 20256012 PMAQI
3rd Aug 2025481 PMAQI
3rd Aug 2025532 PMAQI
3rd Aug 2025443 PMAQI
3rd Aug 2025404 PMAQI
3rd Aug 2025475 PMAQI
3rd Aug 2025496 PMAQI
3rd Aug 2025477 PMAQI
3rd Aug 2025378 PMAQI
3rd Aug 2025349 PMAQI
3rd Aug 20253410 PMAQI
3rd Aug 20253511 PMAQI
4th Aug 20253412 AMAQI
4th Aug 2025361 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025363 AMAQI

27°C24/31°C

4th Aug 2025394 AMAQI
4th Aug 2025395 AMAQI
4th Aug 2025396 AMAQI
4th Aug 2025387 AMAQI
4th Aug 2025398 AMAQI
4th Aug 2025489 AMAQI
4th Aug 20254710 AMAQI
4th Aug 20255511 AMAQI
4th Aug 20255212 PMAQI
4th Aug 2025531 PMAQI
4th Aug 2025532 PMAQI
4th Aug 2025513 PMAQI
4th Aug 2025544 PMAQI
4th Aug 2025515 PMAQI
4th Aug 2025576 PMAQI
4th Aug 2025527 PMAQI
4th Aug 2025568 PMAQI
4th Aug 2025539 PMAQI
4th Aug 20254810 PMAQI
4th Aug 20254511 PMAQI
5th Aug 20254212 AMAQI
5th Aug 2025391 AMAQI
5th Aug 2025382 AMAQI
5th Aug 2025383 AMAQI

27°C25/29°C

5th Aug 2025424 AMAQI
5th Aug 2025425 AMAQI
5th Aug 2025396 AMAQI
5th Aug 2025427 AMAQI
5th Aug 2025428 AMAQI
5th Aug 2025439 AMAQI
5th Aug 20254910 AMAQI
5th Aug 20254611 AMAQI
5th Aug 20254812 PMAQI
5th Aug 2025431 PMAQI
5th Aug 2025462 PMAQI
5th Aug 2025463 PMAQI
5th Aug 2025484 PMAQI
5th Aug 2025485 PMAQI
5th Aug 2025416 PMAQI
5th Aug 2025367 PMAQI
5th Aug 2025398 PMAQI
5th Aug 2025399 PMAQI
5th Aug 20253710 PMAQI
5th Aug 20253611 PMAQI
6th Aug 20253712 AMAQI
6th Aug 2025401 AMAQI
6th Aug 2025422 AMAQI
6th Aug 2025433 AMAQI

29°C25/33°C

6th Aug 2025464 AMAQI
6th Aug 2025455 AMAQI
6th Aug 2025436 AMAQI
6th Aug 2025437 AMAQI
6th Aug 2025448 AMAQI
6th Aug 2025369 AMAQI
6th Aug 20254010 AMAQI
6th Aug 20254211 AMAQI
6th Aug 20254712 PMAQI
6th Aug 2025361 PMAQI
6th Aug 2025362 PMAQI
6th Aug 2025353 PMAQI
6th Aug 2025424 PMAQI
6th Aug 2025495 PMAQI
6th Aug 2025386 PMAQI
6th Aug 2025397 PMAQI
6th Aug 2025468 PMAQI
6th Aug 2025429 PMAQI
6th Aug 20254110 PMAQI
6th Aug 20254311 PMAQI
7th Aug 20253612 AMAQI
7th Aug 2025411 AMAQI
7th Aug 2025452 AMAQI
7th Aug 2025433 AMAQI

27°C25/31°C

7th Aug 2025424 AMAQI
7th Aug 2025425 AMAQI
7th Aug 2025426 AMAQI
7th Aug 2025407 AMAQI
7th Aug 2025428 AMAQI
7th Aug 2025329 AMAQI
7th Aug 20253410 AMAQI
7th Aug 20253311 AMAQI
7th Aug 20252512 PMAQI
7th Aug 2025271 PMAQI
7th Aug 2025302 PMAQI
7th Aug 2025303 PMAQI
7th Aug 2025264 PMAQI
7th Aug 2025255 PMAQI
7th Aug 2025246 PMAQI
7th Aug 2025247 PMAQI
7th Aug 2025278 PMAQI
7th Aug 2025359 PMAQI
7th Aug 20253410 PMAQI
7th Aug 20253411 PMAQI
8th Aug 20253512 AMAQI
8th Aug 2025381 AMAQI
8th Aug 2025412 AMAQI
8th Aug 2025413 AMAQI

26°C23/30°C

8th Aug 2025394 AMAQI
8th Aug 2025385 AMAQI
8th Aug 2025386 AMAQI
8th Aug 2025387 AMAQI
8th Aug 2025388 AMAQI
8th Aug 2025209 AMAQI
8th Aug 20251810 AMAQI
8th Aug 20252011 AMAQI
8th Aug 20251912 PMAQI
8th Aug 2025271 PMAQI
8th Aug 2025272 PMAQI
8th Aug 2025293 PMAQI
8th Aug 2025274 PMAQI
8th Aug 2025225 PMAQI
8th Aug 2025256 PMAQI
8th Aug 2025247 PMAQI
8th Aug 2025278 PMAQI
8th Aug 2025329 PMAQI
8th Aug 20253310 PMAQI
8th Aug 20253211 PMAQI
9th Aug 20253212 AMAQI
9th Aug 2025341 AMAQI
9th Aug 2025362 AMAQI
9th Aug 2025363 AMAQI

26°C23/31°C

9th Aug 2025374 AMAQI
9th Aug 2025365 AMAQI
9th Aug 2025356 AMAQI
9th Aug 2025357 AMAQI
9th Aug 2025358 AMAQI
9th Aug 2025289 AMAQI
9th Aug 20253210 AMAQI
9th Aug 20253011 AMAQI
9th Aug 20252612 PMAQI
9th Aug 2025301 PMAQI
9th Aug 2025272 PMAQI
9th Aug 2025263 PMAQI
9th Aug 2025284 PMAQI
9th Aug 2025265 PMAQI
9th Aug 2025266 PMAQI
9th Aug 2025247 PMAQI
9th Aug 2025278 PMAQI
9th Aug 2025329 PMAQI
9th Aug 20253210 PMAQI
9th Aug 20253211 PMAQI
10th Aug 20253112 AMAQI
10th Aug 2025321 AMAQI
10th Aug 2025332 AMAQI
10th Aug 2025333 AMAQI

25°C22/28°C

10th Aug 2025344 AMAQI
10th Aug 2025345 AMAQI
10th Aug 2025346 AMAQI
10th Aug 2025347 AMAQI
10th Aug 2025348 AMAQI
10th Aug 2025319 AMAQI
10th Aug 20252710 AMAQI
10th Aug 20252711 AMAQI
10th Aug 20252712 PMAQI
10th Aug 2025321 PMAQI
10th Aug 2025342 PMAQI
10th Aug 2025303 PMAQI
10th Aug 2025344 PMAQI
10th Aug 2025405 PMAQI
10th Aug 2025366 PMAQI
10th Aug 2025407 PMAQI
10th Aug 2025368 PMAQI
10th Aug 2025359 PMAQI
10th Aug 20253610 PMAQI
10th Aug 20253511 PMAQI
11th Aug 20253412 AMAQI
11th Aug 2025331 AMAQI
11th Aug 2025312 AMAQI
11th Aug 2025323 AMAQI

23°C22/25°C

11th Aug 2025324 AMAQI
11th Aug 2025325 AMAQI
11th Aug 2025326 AMAQI
11th Aug 2025327 AMAQI
11th Aug 2025328 AMAQI
11th Aug 2025209 AMAQI
11th Aug 20251410 AMAQI
11th Aug 20251711 AMAQI
11th Aug 20251912 PMAQI
11th Aug 2025281 PMAQI
11th Aug 2025342 PMAQI
11th Aug 2025343 PMAQI
11th Aug 2025324 PMAQI
11th Aug 2025405 PMAQI
11th Aug 2025356 PMAQI
11th Aug 2025347 PMAQI
11th Aug 2025348 PMAQI
11th Aug 2025349 PMAQI
11th Aug 20253410 PMAQI
11th Aug 20253411 PMAQI
12th Aug 20253412 AMAQI
12th Aug 2025341 AMAQI
12th Aug 2025342 AMAQI
12th Aug 2025343 AMAQI

25°C23/29°C

12th Aug 2025324 AMAQI
12th Aug 2025325 AMAQI
12th Aug 2025326 AMAQI
12th Aug 2025317 AMAQI
12th Aug 2025328 AMAQI
12th Aug 2025299 AMAQI
12th Aug 20252810 AMAQI
12th Aug 20253611 AMAQI
12th Aug 20253412 PMAQI
12th Aug 2025371 PMAQI
12th Aug 2025302 PMAQI
12th Aug 2025233 PMAQI
12th Aug 2025304 PMAQI
12th Aug 2025265 PMAQI
12th Aug 2025306 PMAQI
12th Aug 2025307 PMAQI
12th Aug 2025318 PMAQI
12th Aug 2025369 PMAQI
12th Aug 20253010 PMAQI
12th Aug 20253011 PMAQI
13th Aug 20253112 AMAQI
13th Aug 2025321 AMAQI
13th Aug 2025352 AMAQI
13th Aug 2025343 AMAQI

23°C22/23°C

13th Aug 2025324 AMAQI
13th Aug 2025325 AMAQI
13th Aug 2025326 AMAQI
13th Aug 2025337 AMAQI
13th Aug 2025328 AMAQI
13th Aug 2025269 AMAQI
13th Aug 20253010 AMAQI
13th Aug 20252511 AMAQI
13th Aug 20252412 PMAQI
13th Aug 2025291 PMAQI
13th Aug 2025312 PMAQI
13th Aug 2025373 PMAQI
13th Aug 2025344 PMAQI
13th Aug 2025355 PMAQI
13th Aug 2025306 PMAQI
13th Aug 2025317 PMAQI
13th Aug 2025318 PMAQI
13th Aug 2025329 PMAQI
13th Aug 20253510 PMAQI
13th Aug 20253111 PMAQI
14th Aug 20252812 AMAQI
14th Aug 2025331 AMAQI
14th Aug 2025322 AMAQI
14th Aug 2025333 AMAQI

25°C21/29°C

14th Aug 2025334 AMAQI
14th Aug 2025315 AMAQI
14th Aug 2025326 AMAQI
14th Aug 2025317 AMAQI
14th Aug 2025328 AMAQI
14th Aug 2025339 AMAQI
14th Aug 20254010 AMAQI
14th Aug 20253711 AMAQI
14th Aug 20253212 PMAQI
14th Aug 2025321 PMAQI
14th Aug 2025312 PMAQI
14th Aug 2025353 PMAQI
14th Aug 2025364 PMAQI
14th Aug 2025365 PMAQI
14th Aug 2025366 PMAQI
14th Aug 2025357 PMAQI
14th Aug 2025348 PMAQI
14th Aug 2025349 PMAQI
14th Aug 20253310 PMAQI
14th Aug 20253211 PMAQI
15th Aug 20253312 AMAQI
15th Aug 2025321 AMAQI
15th Aug 2025322 AMAQI
15th Aug 2025323 AMAQI

25°C22/27°C

15th Aug 2025324 AMAQI
15th Aug 2025335 AMAQI
15th Aug 2025326 AMAQI
15th Aug 2025327 AMAQI
15th Aug 2025328 AMAQI
15th Aug 2025359 AMAQI
15th Aug 20253710 AMAQI
15th Aug 20253611 AMAQI
15th Aug 20253912 PMAQI
15th Aug 2025291 PMAQI
15th Aug 2025302 PMAQI
15th Aug 2025283 PMAQI
15th Aug 2025294 PMAQI
15th Aug 2025315 PMAQI
15th Aug 2025276 PMAQI
15th Aug 2025267 PMAQI
15th Aug 2025348 PMAQI
15th Aug 2025339 PMAQI
15th Aug 20253110 PMAQI
15th Aug 20253211 PMAQI
16th Aug 20253012 AMAQI
16th Aug 2025301 AMAQI
16th Aug 2025342 AMAQI
16th Aug 2025333 AMAQI

26°C23/31°C

16th Aug 2025324 AMAQI
16th Aug 2025325 AMAQI
16th Aug 2025326 AMAQI
16th Aug 2025337 AMAQI
16th Aug 2025328 AMAQI
16th Aug 2025219 AMAQI
16th Aug 20253210 AMAQI
16th Aug 20253011 AMAQI
16th Aug 20253312 PMAQI
16th Aug 2025321 PMAQI
16th Aug 2025282 PMAQI
16th Aug 2025353 PMAQI
16th Aug 2025314 PMAQI
16th Aug 2025315 PMAQI
16th Aug 2025306 PMAQI
16th Aug 2025317 PMAQI
16th Aug 2025328 PMAQI
16th Aug 2025349 PMAQI
16th Aug 20253410 PMAQI
16th Aug 20253211 PMAQI
17th Aug 20253312 AMAQI
17th Aug 2025341 AMAQI
17th Aug 2025332 AMAQI
17th Aug 2025343 AMAQI

25°C22/28°C

17th Aug 2025344 AMAQI
17th Aug 2025325 AMAQI
17th Aug 2025346 AMAQI
17th Aug 2025347 AMAQI
17th Aug 2025338 AMAQI
17th Aug 2025339 AMAQI
17th Aug 20253410 AMAQI
17th Aug 20253911 AMAQI
17th Aug 20253412 PMAQI
17th Aug 2025441 PMAQI
17th Aug 2025372 PMAQI
17th Aug 2025403 PMAQI
17th Aug 2025384 PMAQI
17th Aug 2025385 PMAQI
17th Aug 2025336 PMAQI
17th Aug 2025347 PMAQI
17th Aug 2025338 PMAQI
17th Aug 2025309 PMAQI
17th Aug 20253210 PMAQI
17th Aug 20253411 PMAQI
18th Aug 20253112 AMAQI
18th Aug 2025361 AMAQI
18th Aug 2025342 AMAQI
18th Aug 2025343 AMAQI

27°C22/31°C

18th Aug 2025364 AMAQI
18th Aug 2025355 AMAQI
18th Aug 2025386 AMAQI
18th Aug 2025387 AMAQI
18th Aug 2025368 AMAQI
18th Aug 2025319 AMAQI
18th Aug 20253310 AMAQI
18th Aug 20253411 AMAQI
18th Aug 20253512 PMAQI
18th Aug 2025361 PMAQI
18th Aug 2025382 PMAQI
18th Aug 2025363 PMAQI
18th Aug 2025384 PMAQI
18th Aug 2025415 PMAQI
18th Aug 2025316 PMAQI
18th Aug 2025477 PMAQI
18th Aug 2025448 PMAQI
18th Aug 2025389 PMAQI
18th Aug 20253510 PMAQI
18th Aug 20253611 PMAQI
19th Aug 20252912 AMAQI
19th Aug 2025341 AMAQI
19th Aug 2025362 AMAQI
19th Aug 2025363 AMAQI

27°C25/31°C

19th Aug 2025364 AMAQI
19th Aug 2025365 AMAQI
19th Aug 2025366 AMAQI
19th Aug 2025377 AMAQI
19th Aug 2025388 AMAQI
19th Aug 2025309 AMAQI
19th Aug 20253710 AMAQI
19th Aug 20254011 AMAQI
19th Aug 20253912 PMAQI
19th Aug 2025391 PMAQI
19th Aug 2025452 PMAQI
19th Aug 2025423 PMAQI
19th Aug 2025454 PMAQI
19th Aug 2025465 PMAQI
19th Aug 2025456 PMAQI
19th Aug 2025507 PMAQI
19th Aug 2025458 PMAQI
19th Aug 2025419 PMAQI
19th Aug 20254410 PMAQI
19th Aug 20254111 PMAQI
20th Aug 20254312 AMAQI
20th Aug 2025371 AMAQI
20th Aug 2025382 AMAQI
20th Aug 2025363 AMAQI

27°C23/32°C

20th Aug 2025384 AMAQI
20th Aug 2025385 AMAQI
20th Aug 2025376 AMAQI
20th Aug 2025377 AMAQI
20th Aug 2025378 AMAQI
20th Aug 2025439 AMAQI
20th Aug 20255410 AMAQI
20th Aug 20255211 AMAQI
20th Aug 20255212 PMAQI
20th Aug 2025531 PMAQI
20th Aug 2025582 PMAQI
20th Aug 2025503 PMAQI
20th Aug 2025554 PMAQI
20th Aug 2025445 PMAQI
20th Aug 2025586 PMAQI
20th Aug 2025517 PMAQI
20th Aug 2025498 PMAQI
20th Aug 2025479 PMAQI
20th Aug 20254510 PMAQI
20th Aug 20253611 PMAQI
21st Aug 20253812 AMAQI
21st Aug 2025391 AMAQI
21st Aug 2025442 AMAQI
21st Aug 2025403 AMAQI

28°C25/32°C

21st Aug 2025424 AMAQI
4 AM
21st Aug 2025425 AMAQI
21st Aug 2025436 AMAQI
21st Aug 2025467 AMAQI
21st Aug 2025458 AMAQI
21st Aug 2025519 AMAQI
21st Aug 20255410 AMAQI
21st Aug 20254811 AMAQI
11 AM
6 PM
11 PM
3 AM

--°C/°C

Day time
Avg. Highest Time
4 AM - 6 PM

42AQI

15 hours / Day
450 hours / Month
Avg. Lowest Time
4 AM - 6 PM

42AQI

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. 42), while the lowest AQI was between 4 AM to 6 PM (Avg. 42).
Night time
Avg. Highest Time
12 AM - 11 PM

41AQI

9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM

41AQI

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. 41), while the lowest AQI was between 12 AM to 11 PM (Avg. 41).

2025 Days Vs Air Quality

Rifu, Miyagi, Japan

2025

87%

200

13%

31

Total number of days with different AQI categories in last 233 days in 2025 (132 days remaining)

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

Under WHO’s Safe Air Quality Limits: 87%

Health Risk Level:

Low

In 2025, 87% of 233 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

Rifu, 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
28AQI
2nd January 2025
26AQI
3rd January 2025
24AQI
4th January 2025
24AQI
5th January 2025
25AQI
6th January 2025
32AQI
7th January 2025
25AQI
8th January 2025
24AQI
9th January 2025
22AQI
10th January 2025
20AQI
11th January 2025
23AQI
12th January 2025
24AQI
13th January 2025
25AQI
14th January 2025
32AQI
15th January 2025
26AQI
16th January 2025
26AQI
17th January 2025
22AQI
18th January 2025
25AQI
19th January 2025
29AQI
20th January 2025
36AQI
21st January 2025
45AQI
22nd January 2025
36AQI
23rd January 2025
41AQI
24th January 2025
37AQI
25th January 2025
32AQI
26th January 2025
28AQI
27th January 2025
29AQI
28th January 2025
26AQI
29th January 2025
24AQI
30th January 2025
23AQI
31st January 2025
25AQI
1st February 2025
25AQI
2nd February 2025
26AQI
3rd February 2025
27AQI
4th February 2025
27AQI
5th February 2025
23AQI
6th February 2025
24AQI
7th February 2025
26AQI
8th February 2025
21AQI
9th February 2025
23AQI
10th February 2025
23AQI
11th February 2025
24AQI
12th February 2025
28AQI
13th February 2025
26AQI
14th February 2025
27AQI
15th February 2025
23AQI
16th February 2025
28AQI
17th February 2025
37AQI
18th February 2025
26AQI
19th February 2025
26AQI
20th February 2025
23AQI
21st February 2025
22AQI
22nd February 2025
22AQI
23rd February 2025
22AQI
24th February 2025
23AQI
25th February 2025
27AQI
26th February 2025
38AQI
27th February 2025
32AQI
28th February 2025
49AQI
1st March 2025
43AQI
2nd March 2025
57AQI
3rd March 2025
33AQI
4th March 2025
35AQI
5th March 2025
24AQI
6th March 2025
26AQI
7th March 2025
25AQI
8th March 2025
31AQI
9th March 2025
28AQI
10th March 2025
34AQI
11th March 2025
36AQI
12th March 2025
43AQI
13th March 2025
44AQI
14th March 2025
39AQI
15th March 2025
38AQI
16th March 2025
26AQI
17th March 2025
21AQI
18th March 2025
24AQI
19th March 2025
22AQI
20th March 2025
28AQI
21st March 2025
45AQI
22nd March 2025
51AQI
23rd March 2025
36AQI
24th March 2025
37AQI
25th March 2025
56AQI
26th March 2025
59AQI
27th March 2025
57AQI
28th March 2025
50AQI
29th March 2025
36AQI
30th March 2025
36AQI
31st March 2025
34AQI
1st April 2025
30AQI
2nd April 2025
24AQI
3rd April 2025
22AQI
4th April 2025
20AQI
5th April 2025
23AQI
6th April 2025
31AQI
7th April 2025
25AQI
8th April 2025
37AQI
9th April 2025
29AQI
10th April 2025
44AQI
11th April 2025
44AQI
12th April 2025
35AQI
13th April 2025
27AQI
14th April 2025
22AQI
15th April 2025
22AQI
16th April 2025
22AQI
17th April 2025
41AQI
18th April 2025
47AQI
19th April 2025
61AQI
20th April 2025
48AQI
21st April 2025
42AQI
22nd April 2025
42AQI
23rd April 2025
43AQI
24th April 2025
40AQI
25th April 2025
35AQI
26th April 2025
51AQI
27th April 2025
50AQI
28th April 2025
48AQI
29th April 2025
30AQI
30th April 2025
26AQI
1st May 2025
25AQI
2nd May 2025
25AQI
3rd May 2025
32AQI
4th May 2025
30AQI
5th May 2025
33AQI
6th May 2025
29AQI
7th May 2025
28AQI
8th May 2025
33AQI
9th May 2025
34AQI
10th May 2025
26AQI
11th May 2025
24AQI
12th May 2025
24AQI
13th May 2025
38AQI
14th May 2025
44AQI
15th May 2025
41AQI
16th May 2025
46AQI
17th May 2025
38AQI
18th May 2025
44AQI
19th May 2025
38AQI
20th May 2025
51AQI
21st May 2025
53AQI
22nd May 2025
45AQI
23rd May 2025
43AQI
24th May 2025
37AQI
25th May 2025
26AQI
26th May 2025
26AQI
27th May 2025
31AQI
28th May 2025
28AQI
29th May 2025
33AQI
30th May 2025
29AQI
31st May 2025
21AQI
1st June 2025
21AQI
2nd June 2025
35AQI
3rd June 2025
38AQI
4th June 2025
32AQI
5th June 2025
35AQI
6th June 2025
43AQI
7th June 2025
54AQI
8th June 2025
56AQI
9th June 2025
56AQI
10th June 2025
44AQI
11th June 2025
43AQI
12th June 2025
37AQI
13th June 2025
34AQI
14th June 2025
34AQI
15th June 2025
28AQI
16th June 2025
27AQI
17th June 2025
29AQI
18th June 2025
35AQI
19th June 2025
41AQI
20th June 2025
34AQI
21st June 2025
34AQI
22nd June 2025
32AQI
23rd June 2025
41AQI
24th June 2025
39AQI
25th June 2025
38AQI
26th June 2025
31AQI
27th June 2025
33AQI
28th June 2025
34AQI
29th June 2025
36AQI
30th June 2025
44AQI
1st July 2025
48AQI
2nd July 2025
50AQI
3rd July 2025
54AQI
4th July 2025
55AQI
5th July 2025
53AQI
6th July 2025
58AQI
7th July 2025
58AQI
8th July 2025
60AQI
9th July 2025
68AQI
10th July 2025
56AQI
11th July 2025
50AQI
12th July 2025
46AQI
13th July 2025
49AQI
14th July 2025
44AQI
15th July 2025
50AQI
16th July 2025
52AQI
17th July 2025
52AQI
18th July 2025
52AQI
19th July 2025
47AQI
20th July 2025
50AQI
21st July 2025
50AQI
22nd July 2025
51AQI
23rd July 2025
53AQI
24th July 2025
55AQI
25th July 2025
56AQI
26th July 2025
57AQI
27th July 2025
57AQI
28th July 2025
54AQI
29th July 2025
54AQI
30th July 2025
47AQI
31st July 2025
43AQI
1st August 2025
36AQI
2nd August 2025
38AQI
3rd August 2025
40AQI
4th August 2025
44AQI
5th August 2025
42AQI
6th August 2025
41AQI
7th August 2025
34AQI
8th August 2025
31AQI
9th August 2025
31AQI
10th August 2025
33AQI
11th August 2025
32AQI
12th August 2025
32AQI
13th August 2025
31AQI
14th August 2025
33AQI
15th August 2025
32AQI
16th August 2025
31AQI
17th August 2025
35AQI
18th August 2025
37AQI
19th August 2025
39AQI

28AQI

27AQI

37AQI

35AQI

34AQI

37AQI

53AQI

35AQI

No. of days

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

202536AQI

31
28
26
5
28
2
29
2
27
3
12
19
19
200
31

Highest AQI recorded in

July

53AQI

Lowest AQI recorded in

February

27AQI

202430AQI

31
29
28
3
25
4
1
30
1
28
2
26
5
31
30
31
29
1
31
349
16
1

Highest AQI recorded in

April

41AQI

Lowest AQI recorded in

January

20AQI

202330AQI

31
26
2
23
6
21
9
27
4
29
1
25
6
29
2
30
31
28
1
31
331
31

Highest AQI recorded in

April

42AQI

Lowest AQI recorded in

October

21AQI

202229AQI

31
21
28
3
25
5
27
4
27
3
25
2
2
29
30
1
30
31
306
18

Highest AQI recorded in

August

42AQI

Lowest AQI recorded in

December

18AQI

202128AQI

31
25
3
26
4
1
29
1
30
1
24
6
29
2
31
30
31
30
31
347
17
1

Highest AQI recorded in

March

36AQI

Lowest AQI recorded in

December

23AQI

202026AQI

12
1
21
18
29
1
31
27
4
19
30
1
29
1
30
1
246
9

Highest AQI recorded in

August

36AQI

Lowest AQI recorded in

December

20AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
36AQI
Least Polluted Year Recorded
2020(Avg.)
26AQI

Rifu's annual 2025 AQI (36) shows an average percentage change of 25.5% (worsened AQI) compared to previous years: 2020 (26), 2021 (28), 2022 (29), 2023 (30), 2024 (30).