Sosan, Chungnam, South Korea 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
Sosan, Chungnam, South Korea
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
12th Aug 2021
91AQILowest AQI recorded on
30th Aug 2023
26AQISame Day Analysis (9th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 52 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 9th Aug - 10th Aug 2025
Sosan, Chungnam, South Korea
AQI
Day
Night
.
5 AM9th Aug 2025
7 PM
4 AM10th Aug 2025
Day time
Avg. Highest Time
10AM9th Aug
56AQI
Avg. Lowest Time
6PM9th Aug
42AQI
Night time
Avg. Highest Time
11PM9th Aug
54AQI
Avg. Lowest Time
9PM9th Aug
51AQI
In the last 24 hours,
Sosan's AQI reached its highest point of 56 at 10 AM during the Day, while the lowest point, 42, was recorded at 6 PM during the Day between 9th Aug and 10th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Sosan, Chungnam, South Korea
JulAug
11th - 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 - 07th07th - 08th08th - 09th09th - 10th10th
Day
Night
11th Jul 2025595 AMAQI
11th Jul 2025596 AMAQI
11th Jul 2025577 AMAQI
11th Jul 2025578 AMAQI
11th Jul 2025459 AMAQI
11th Jul 20254210 AMAQI
11th Jul 20254411 AMAQI
11th Jul 20255012 PMAQI
11th Jul 2025531 PMAQI
11th Jul 2025562 PMAQI
11th Jul 2025543 PMAQI
11th Jul 2025574 PMAQI
11th Jul 2025585 PMAQI
11th Jul 2025586 PMAQI
11th Jul 2025577 PMAQI
11th Jul 2025588 PMAQI
11th Jul 2025589 PMAQI
11th Jul 20255910 PMAQI
11th Jul 20255911 PMAQI
12th Jul 20255912 AMAQI
12th Jul 2025591 AMAQI
12th Jul 2025582 AMAQI
12th Jul 2025583 AMAQI
12th Jul 2025584 AMAQI
27°C23/31°C
12th Jul 2025585 AMAQI
12th Jul 2025586 AMAQI
12th Jul 2025587 AMAQI
12th Jul 2025588 AMAQI
12th Jul 2025439 AMAQI
12th Jul 20253910 AMAQI
12th Jul 20254111 AMAQI
12th Jul 20254512 PMAQI
12th Jul 2025511 PMAQI
12th Jul 2025502 PMAQI
12th Jul 2025503 PMAQI
12th Jul 2025504 PMAQI
12th Jul 2025555 PMAQI
12th Jul 2025536 PMAQI
12th Jul 2025547 PMAQI
12th Jul 2025558 PMAQI
12th Jul 2025589 PMAQI
12th Jul 20255810 PMAQI
12th Jul 20255811 PMAQI
13th Jul 20255712 AMAQI
13th Jul 2025581 AMAQI
13th Jul 2025582 AMAQI
13th Jul 2025583 AMAQI
13th Jul 2025584 AMAQI
26°C22/30°C
13th Jul 2025585 AMAQI
13th Jul 2025586 AMAQI
13th Jul 2025587 AMAQI
13th Jul 2025578 AMAQI
13th Jul 2025599 AMAQI
13th Jul 20256410 AMAQI
13th Jul 20256711 AMAQI
13th Jul 20256812 PMAQI
13th Jul 2025641 PMAQI
13th Jul 2025622 PMAQI
13th Jul 2025593 PMAQI
13th Jul 2025614 PMAQI
13th Jul 2025625 PMAQI
13th Jul 2025636 PMAQI
13th Jul 2025617 PMAQI
13th Jul 2025638 PMAQI
13th Jul 2025609 PMAQI
13th Jul 20256010 PMAQI
13th Jul 20256011 PMAQI
14th Jul 20256012 AMAQI
14th Jul 2025581 AMAQI
14th Jul 2025582 AMAQI
14th Jul 2025583 AMAQI
14th Jul 2025584 AMAQI
24°C22/25°C
14th Jul 2025595 AMAQI
14th Jul 2025596 AMAQI
14th Jul 2025597 AMAQI
14th Jul 2025598 AMAQI
14th Jul 2025579 AMAQI
14th Jul 20255810 AMAQI
14th Jul 20256011 AMAQI
14th Jul 20256512 PMAQI
14th Jul 2025611 PMAQI
14th Jul 2025602 PMAQI
14th Jul 2025593 PMAQI
14th Jul 2025584 PMAQI
14th Jul 2025575 PMAQI
14th Jul 2025536 PMAQI
14th Jul 2025427 PMAQI
14th Jul 2025448 PMAQI
14th Jul 2025559 PMAQI
14th Jul 20255510 PMAQI
14th Jul 20255411 PMAQI
15th Jul 20255412 AMAQI
15th Jul 2025581 AMAQI
15th Jul 2025592 AMAQI
15th Jul 2025593 AMAQI
15th Jul 2025594 AMAQI
23°C20/26°C
15th Jul 2025595 AMAQI
15th Jul 2025596 AMAQI
15th Jul 2025597 AMAQI
15th Jul 2025608 AMAQI
15th Jul 2025319 AMAQI
15th Jul 20252110 AMAQI
15th Jul 20252211 AMAQI
15th Jul 20252412 PMAQI
15th Jul 2025331 PMAQI
15th Jul 2025322 PMAQI
15th Jul 2025333 PMAQI
15th Jul 2025334 PMAQI
15th Jul 2025345 PMAQI
15th Jul 2025366 PMAQI
15th Jul 2025377 PMAQI
15th Jul 2025428 PMAQI
15th Jul 2025559 PMAQI
15th Jul 20255410 PMAQI
15th Jul 20255411 PMAQI
16th Jul 20255512 AMAQI
16th Jul 2025571 AMAQI
16th Jul 2025582 AMAQI
16th Jul 2025583 AMAQI
16th Jul 2025574 AMAQI
22°C20/25°C
16th Jul 2025565 AMAQI
16th Jul 2025566 AMAQI
16th Jul 2025567 AMAQI
16th Jul 2025568 AMAQI
16th Jul 2025539 AMAQI
16th Jul 20255010 AMAQI
16th Jul 20255011 AMAQI
16th Jul 20255012 PMAQI
16th Jul 2025521 PMAQI
16th Jul 2025532 PMAQI
16th Jul 2025503 PMAQI
16th Jul 2025474 PMAQI
16th Jul 2025485 PMAQI
16th Jul 2025456 PMAQI
16th Jul 2025447 PMAQI
16th Jul 2025448 PMAQI
16th Jul 2025539 PMAQI
16th Jul 20255310 PMAQI
16th Jul 20255311 PMAQI
17th Jul 20255412 AMAQI
17th Jul 2025571 AMAQI
17th Jul 2025562 AMAQI
17th Jul 2025563 AMAQI
17th Jul 2025564 AMAQI
23°C22/24°C
17th Jul 2025565 AMAQI
17th Jul 2025566 AMAQI
17th Jul 2025567 AMAQI
17th Jul 2025568 AMAQI
17th Jul 2025379 AMAQI
17th Jul 20253210 AMAQI
17th Jul 20253411 AMAQI
17th Jul 20253512 PMAQI
17th Jul 2025381 PMAQI
17th Jul 2025382 PMAQI
17th Jul 2025373 PMAQI
17th Jul 2025454 PMAQI
17th Jul 2025475 PMAQI
17th Jul 2025456 PMAQI
17th Jul 2025447 PMAQI
17th Jul 2025468 PMAQI
17th Jul 2025529 PMAQI
17th Jul 20255210 PMAQI
17th Jul 20255211 PMAQI
18th Jul 20255212 AMAQI
18th Jul 2025551 AMAQI
18th Jul 2025562 AMAQI
18th Jul 2025563 AMAQI
18th Jul 2025564 AMAQI
24°C23/25°C
18th Jul 2025555 AMAQI
18th Jul 2025556 AMAQI
18th Jul 2025557 AMAQI
18th Jul 2025558 AMAQI
18th Jul 2025359 AMAQI
18th Jul 20252610 AMAQI
18th Jul 20252711 AMAQI
18th Jul 20252912 PMAQI
18th Jul 2025371 PMAQI
18th Jul 2025362 PMAQI
18th Jul 2025423 PMAQI
18th Jul 2025434 PMAQI
18th Jul 2025455 PMAQI
18th Jul 2025486 PMAQI
18th Jul 2025497 PMAQI
18th Jul 2025498 PMAQI
18th Jul 2025539 PMAQI
18th Jul 20255310 PMAQI
18th Jul 20255311 PMAQI
19th Jul 20255312 AMAQI
19th Jul 2025531 AMAQI
19th Jul 2025552 AMAQI
19th Jul 2025553 AMAQI
19th Jul 2025544 AMAQI
24°C23/24°C
19th Jul 2025535 AMAQI
19th Jul 2025536 AMAQI
19th Jul 2025537 AMAQI
19th Jul 2025538 AMAQI
19th Jul 2025279 AMAQI
19th Jul 20251910 AMAQI
19th Jul 20251911 AMAQI
19th Jul 20252412 PMAQI
19th Jul 2025291 PMAQI
19th Jul 2025312 PMAQI
19th Jul 2025323 PMAQI
19th Jul 2025334 PMAQI
19th Jul 2025355 PMAQI
19th Jul 2025366 PMAQI
19th Jul 2025357 PMAQI
19th Jul 2025398 PMAQI
19th Jul 2025499 PMAQI
19th Jul 20255010 PMAQI
19th Jul 20254911 PMAQI
20th Jul 20254812 AMAQI
20th Jul 2025541 AMAQI
20th Jul 2025542 AMAQI
20th Jul 2025543 AMAQI
20th Jul 2025534 AMAQI
24°C23/26°C
20th Jul 2025525 AMAQI
20th Jul 2025526 AMAQI
20th Jul 2025527 AMAQI
20th Jul 2025528 AMAQI
20th Jul 2025439 AMAQI
20th Jul 20253810 AMAQI
20th Jul 20254011 AMAQI
20th Jul 20253912 PMAQI
20th Jul 2025411 PMAQI
20th Jul 2025402 PMAQI
20th Jul 2025423 PMAQI
20th Jul 2025424 PMAQI
20th Jul 2025465 PMAQI
20th Jul 2025486 PMAQI
20th Jul 2025497 PMAQI
20th Jul 2025518 PMAQI
20th Jul 2025529 PMAQI
20th Jul 20255310 PMAQI
20th Jul 20255311 PMAQI
21st Jul 20255312 AMAQI
21st Jul 2025531 AMAQI
21st Jul 2025532 AMAQI
21st Jul 2025533 AMAQI
21st Jul 2025534 AMAQI
25°C24/27°C
21st Jul 2025525 AMAQI
21st Jul 2025526 AMAQI
21st Jul 2025527 AMAQI
21st Jul 2025528 AMAQI
21st Jul 2025489 AMAQI
21st Jul 20255110 AMAQI
21st Jul 20254711 AMAQI
21st Jul 20254612 PMAQI
21st Jul 2025411 PMAQI
21st Jul 2025392 PMAQI
21st Jul 2025353 PMAQI
21st Jul 2025404 PMAQI
21st Jul 2025375 PMAQI
21st Jul 2025366 PMAQI
21st Jul 2025317 PMAQI
21st Jul 2025368 PMAQI
21st Jul 2025459 PMAQI
21st Jul 20254510 PMAQI
21st Jul 20254511 PMAQI
22nd Jul 20254412 AMAQI
22nd Jul 2025491 AMAQI
22nd Jul 2025532 AMAQI
22nd Jul 2025533 AMAQI
22nd Jul 2025524 AMAQI
25°C24/28°C
22nd Jul 2025525 AMAQI
22nd Jul 2025526 AMAQI
22nd Jul 2025527 AMAQI
22nd Jul 2025528 AMAQI
22nd Jul 2025359 AMAQI
22nd Jul 20253210 AMAQI
22nd Jul 20253211 AMAQI
22nd Jul 20253512 PMAQI
22nd Jul 2025401 PMAQI
22nd Jul 2025412 PMAQI
22nd Jul 2025393 PMAQI
22nd Jul 2025394 PMAQI
22nd Jul 2025405 PMAQI
22nd Jul 2025406 PMAQI
22nd Jul 2025407 PMAQI
22nd Jul 2025428 PMAQI
22nd Jul 2025479 PMAQI
22nd Jul 20254710 PMAQI
22nd Jul 20254711 PMAQI
23rd Jul 20254512 AMAQI
23rd Jul 2025451 AMAQI
23rd Jul 2025472 AMAQI
23rd Jul 2025523 AMAQI
23rd Jul 2025504 AMAQI
26°C24/28°C
23rd Jul 2025495 AMAQI
23rd Jul 2025496 AMAQI
23rd Jul 2025487 AMAQI
23rd Jul 2025488 AMAQI
23rd Jul 2025449 AMAQI
23rd Jul 20253910 AMAQI
23rd Jul 20254611 AMAQI
23rd Jul 20254912 PMAQI
23rd Jul 2025531 PMAQI
23rd Jul 2025562 PMAQI
23rd Jul 2025553 PMAQI
23rd Jul 2025514 PMAQI
23rd Jul 2025525 PMAQI
23rd Jul 2025546 PMAQI
23rd Jul 2025537 PMAQI
23rd Jul 2025468 PMAQI
23rd Jul 2025459 PMAQI
23rd Jul 20254710 PMAQI
23rd Jul 20254711 PMAQI
24th Jul 20254712 AMAQI
24th Jul 2025491 AMAQI
24th Jul 2025492 AMAQI
24th Jul 2025493 AMAQI
24th Jul 2025494 AMAQI
26°C24/29°C
24th Jul 2025495 AMAQI
24th Jul 2025496 AMAQI
24th Jul 2025497 AMAQI
24th Jul 2025508 AMAQI
24th Jul 2025449 AMAQI
24th Jul 20254710 AMAQI
24th Jul 20255011 AMAQI
24th Jul 20255312 PMAQI
24th Jul 2025541 PMAQI
24th Jul 2025542 PMAQI
24th Jul 2025553 PMAQI
24th Jul 2025534 PMAQI
24th Jul 2025545 PMAQI
24th Jul 2025596 PMAQI
24th Jul 2025587 PMAQI
24th Jul 2025558 PMAQI
24th Jul 2025539 PMAQI
24th Jul 20255510 PMAQI
24th Jul 20255411 PMAQI
25th Jul 20255412 AMAQI
25th Jul 2025531 AMAQI
25th Jul 2025512 AMAQI
25th Jul 2025503 AMAQI
25th Jul 2025504 AMAQI
26°C24/30°C
25th Jul 2025515 AMAQI
25th Jul 2025516 AMAQI
25th Jul 2025517 AMAQI
25th Jul 2025518 AMAQI
25th Jul 2025629 AMAQI
25th Jul 20256910 AMAQI
25th Jul 20257611 AMAQI
25th Jul 20257512 PMAQI
25th Jul 2025701 PMAQI
25th Jul 2025712 PMAQI
25th Jul 2025773 PMAQI
25th Jul 2025764 PMAQI
25th Jul 2025785 PMAQI
25th Jul 2025796 PMAQI
25th Jul 2025817 PMAQI
25th Jul 2025778 PMAQI
25th Jul 2025649 PMAQI
25th Jul 20256310 PMAQI
25th Jul 20256211 PMAQI
26th Jul 20256112 AMAQI
26th Jul 2025521 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025523 AMAQI
26th Jul 2025534 AMAQI
27°C24/32°C
26th Jul 2025555 AMAQI
26th Jul 2025556 AMAQI
26th Jul 2025557 AMAQI
26th Jul 2025558 AMAQI
26th Jul 2025659 AMAQI
26th Jul 20256210 AMAQI
26th Jul 20255811 AMAQI
26th Jul 20256412 PMAQI
26th Jul 2025631 PMAQI
26th Jul 2025602 PMAQI
26th Jul 2025633 PMAQI
26th Jul 2025674 PMAQI
26th Jul 2025685 PMAQI
26th Jul 2025746 PMAQI
26th Jul 2025897 PMAQI
26th Jul 2025788 PMAQI
26th Jul 2025689 PMAQI
26th Jul 20256810 PMAQI
26th Jul 20256811 PMAQI
27th Jul 20256412 AMAQI
27th Jul 2025551 AMAQI
27th Jul 2025552 AMAQI
27th Jul 2025553 AMAQI
27th Jul 2025554 AMAQI
28°C25/32°C
27th Jul 2025555 AMAQI
27th Jul 2025566 AMAQI
27th Jul 2025567 AMAQI
27th Jul 2025568 AMAQI
27th Jul 2025609 AMAQI
27th Jul 20256110 AMAQI
27th Jul 20256011 AMAQI
27th Jul 20255812 PMAQI
27th Jul 2025521 PMAQI
27th Jul 2025542 PMAQI
27th Jul 2025513 PMAQI
27th Jul 2025434 PMAQI
27th Jul 2025475 PMAQI
27th Jul 2025516 PMAQI
27th Jul 2025517 PMAQI
27th Jul 2025548 PMAQI
27th Jul 2025569 PMAQI
27th Jul 20255810 PMAQI
27th Jul 20255811 PMAQI
28th Jul 20255812 AMAQI
28th Jul 2025561 AMAQI
28th Jul 2025562 AMAQI
28th Jul 2025563 AMAQI
28th Jul 2025564 AMAQI
28°C26/31°C
28th Jul 2025575 AMAQI
28th Jul 2025566 AMAQI
28th Jul 2025567 AMAQI
28th Jul 2025568 AMAQI
28th Jul 2025639 AMAQI
28th Jul 20256410 AMAQI
28th Jul 20256211 AMAQI
28th Jul 20256412 PMAQI
28th Jul 2025631 PMAQI
28th Jul 2025612 PMAQI
28th Jul 2025603 PMAQI
28th Jul 2025604 PMAQI
28th Jul 2025585 PMAQI
28th Jul 2025526 PMAQI
28th Jul 2025527 PMAQI
28th Jul 2025538 PMAQI
28th Jul 2025559 PMAQI
28th Jul 20255710 PMAQI
28th Jul 20255711 PMAQI
29th Jul 20255612 AMAQI
29th Jul 2025561 AMAQI
29th Jul 2025562 AMAQI
29th Jul 2025573 AMAQI
29th Jul 2025574 AMAQI
27°C25/31°C
29th Jul 2025585 AMAQI
29th Jul 2025586 AMAQI
29th Jul 2025587 AMAQI
29th Jul 2025588 AMAQI
29th Jul 2025649 AMAQI
29th Jul 20256510 AMAQI
29th Jul 20256711 AMAQI
29th Jul 20256712 PMAQI
29th Jul 2025671 PMAQI
29th Jul 2025672 PMAQI
29th Jul 2025663 PMAQI
29th Jul 2025694 PMAQI
29th Jul 2025695 PMAQI
29th Jul 2025666 PMAQI
29th Jul 2025687 PMAQI
29th Jul 2025658 PMAQI
29th Jul 2025619 PMAQI
29th Jul 20256110 PMAQI
29th Jul 20256211 PMAQI
30th Jul 20256212 AMAQI
30th Jul 2025571 AMAQI
30th Jul 2025572 AMAQI
30th Jul 2025573 AMAQI
30th Jul 2025584 AMAQI
27°C25/30°C
30th Jul 2025595 AMAQI
30th Jul 2025596 AMAQI
30th Jul 2025597 AMAQI
30th Jul 2025598 AMAQI
30th Jul 2025739 AMAQI
30th Jul 20257510 AMAQI
30th Jul 20257411 AMAQI
30th Jul 20257312 PMAQI
30th Jul 2025671 PMAQI
30th Jul 2025702 PMAQI
30th Jul 2025723 PMAQI
30th Jul 2025784 PMAQI
30th Jul 2025755 PMAQI
30th Jul 2025736 PMAQI
30th Jul 2025717 PMAQI
30th Jul 2025688 PMAQI
30th Jul 2025659 PMAQI
30th Jul 20256410 PMAQI
30th Jul 20256511 PMAQI
31st Jul 20256512 AMAQI
31st Jul 2025591 AMAQI
31st Jul 2025592 AMAQI
31st Jul 2025593 AMAQI
31st Jul 2025594 AMAQI
28°C25/31°C
31st Jul 2025585 AMAQI
31st Jul 2025586 AMAQI
31st Jul 2025587 AMAQI
31st Jul 2025588 AMAQI
31st Jul 2025589 AMAQI
31st Jul 20255810 AMAQI
31st Jul 20256211 AMAQI
31st Jul 20256112 PMAQI
31st Jul 2025581 PMAQI
31st Jul 2025602 PMAQI
31st Jul 2025603 PMAQI
31st Jul 2025634 PMAQI
31st Jul 2025635 PMAQI
31st Jul 2025626 PMAQI
31st Jul 2025657 PMAQI
31st Jul 2025618 PMAQI
31st Jul 2025549 PMAQI
31st Jul 20255410 PMAQI
31st Jul 20255511 PMAQI
1st Aug 20255412 AMAQI
1st Aug 2025541 AMAQI
1st Aug 2025532 AMAQI
1st Aug 2025543 AMAQI
1st Aug 2025564 AMAQI
27°C25/30°C
1st Aug 2025555 AMAQI
1st Aug 2025566 AMAQI
1st Aug 2025567 AMAQI
1st Aug 2025558 AMAQI
1st Aug 2025619 AMAQI
1st Aug 20256310 AMAQI
1st Aug 20255811 AMAQI
1st Aug 20255812 PMAQI
1st Aug 2025561 PMAQI
1st Aug 2025612 PMAQI
1st Aug 2025643 PMAQI
1st Aug 2025604 PMAQI
1st Aug 2025675 PMAQI
1st Aug 2025636 PMAQI
1st Aug 2025627 PMAQI
1st Aug 2025588 PMAQI
1st Aug 2025579 PMAQI
1st Aug 20255810 PMAQI
1st Aug 20255711 PMAQI
2nd Aug 20255712 AMAQI
2nd Aug 2025541 AMAQI
2nd Aug 2025552 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025544 AMAQI
27°C25/30°C
2nd Aug 2025545 AMAQI
2nd Aug 2025556 AMAQI
2nd Aug 2025557 AMAQI
2nd Aug 2025558 AMAQI
2nd Aug 2025759 AMAQI
2nd Aug 20257610 AMAQI
2nd Aug 20257211 AMAQI
2nd Aug 20257812 PMAQI
2nd Aug 2025711 PMAQI
2nd Aug 2025672 PMAQI
2nd Aug 2025603 PMAQI
2nd Aug 2025634 PMAQI
2nd Aug 2025635 PMAQI
2nd Aug 2025666 PMAQI
2nd Aug 2025657 PMAQI
2nd Aug 2025598 PMAQI
2nd Aug 2025589 PMAQI
2nd Aug 20255810 PMAQI
2nd Aug 20256011 PMAQI
3rd Aug 20255712 AMAQI
3rd Aug 2025541 AMAQI
3rd Aug 2025552 AMAQI
3rd Aug 2025553 AMAQI
3rd Aug 2025574 AMAQI
27°C25/30°C
3rd Aug 2025575 AMAQI
3rd Aug 2025576 AMAQI
3rd Aug 2025577 AMAQI
3rd Aug 2025588 AMAQI
3rd Aug 2025629 AMAQI
3rd Aug 20256410 AMAQI
3rd Aug 20256511 AMAQI
3rd Aug 20257012 PMAQI
3rd Aug 2025701 PMAQI
3rd Aug 2025682 PMAQI
3rd Aug 2025663 PMAQI
3rd Aug 2025644 PMAQI
3rd Aug 2025615 PMAQI
3rd Aug 2025636 PMAQI
3rd Aug 2025587 PMAQI
3rd Aug 2025538 PMAQI
3rd Aug 2025579 PMAQI
3rd Aug 20255510 PMAQI
3rd Aug 20255311 PMAQI
4th Aug 20255312 AMAQI
4th Aug 2025551 AMAQI
4th Aug 2025552 AMAQI
4th Aug 2025573 AMAQI
4th Aug 2025574 AMAQI
26°C23/27°C
4th Aug 2025575 AMAQI
4th Aug 2025586 AMAQI
4th Aug 2025587 AMAQI
4th Aug 2025588 AMAQI
4th Aug 2025429 AMAQI
4th Aug 20254710 AMAQI
4th Aug 20255111 AMAQI
4th Aug 20254812 PMAQI
4th Aug 2025491 PMAQI
4th Aug 2025502 PMAQI
4th Aug 2025473 PMAQI
4th Aug 2025474 PMAQI
4th Aug 2025495 PMAQI
4th Aug 2025506 PMAQI
4th Aug 2025487 PMAQI
4th Aug 2025538 PMAQI
4th Aug 2025559 PMAQI
4th Aug 20255610 PMAQI
4th Aug 20255611 PMAQI
5th Aug 20255412 AMAQI
5th Aug 2025551 AMAQI
5th Aug 2025552 AMAQI
5th Aug 2025563 AMAQI
5th Aug 2025554 AMAQI
26°C24/28°C
5th Aug 2025555 AMAQI
5th Aug 2025556 AMAQI
5th Aug 2025557 AMAQI
5th Aug 2025558 AMAQI
5th Aug 2025489 AMAQI
5th Aug 20255410 AMAQI
5th Aug 20255511 AMAQI
5th Aug 20255312 PMAQI
5th Aug 2025541 PMAQI
5th Aug 2025542 PMAQI
5th Aug 2025483 PMAQI
5th Aug 2025464 PMAQI
5th Aug 2025455 PMAQI
5th Aug 2025446 PMAQI
5th Aug 2025457 PMAQI
5th Aug 2025488 PMAQI
5th Aug 2025509 PMAQI
5th Aug 20255110 PMAQI
5th Aug 20255211 PMAQI
6th Aug 20255212 AMAQI
6th Aug 2025541 AMAQI
6th Aug 2025542 AMAQI
6th Aug 2025553 AMAQI
6th Aug 2025554 AMAQI
26°C24/28°C
6th Aug 2025555 AMAQI
6th Aug 2025546 AMAQI
6th Aug 2025557 AMAQI
6th Aug 2025548 AMAQI
6th Aug 2025399 AMAQI
6th Aug 20253910 AMAQI
6th Aug 20254611 AMAQI
6th Aug 20254412 PMAQI
6th Aug 2025451 PMAQI
6th Aug 2025522 PMAQI
6th Aug 2025523 PMAQI
6th Aug 2025464 PMAQI
6th Aug 2025485 PMAQI
6th Aug 2025456 PMAQI
6th Aug 2025497 PMAQI
6th Aug 2025508 PMAQI
6th Aug 2025509 PMAQI
6th Aug 20255010 PMAQI
6th Aug 20255111 PMAQI
7th Aug 20255012 AMAQI
7th Aug 2025531 AMAQI
7th Aug 2025532 AMAQI
7th Aug 2025533 AMAQI
7th Aug 2025534 AMAQI
26°C25/29°C
7th Aug 2025525 AMAQI
7th Aug 2025526 AMAQI
7th Aug 2025527 AMAQI
7th Aug 2025538 AMAQI
7th Aug 2025469 AMAQI
7th Aug 20255110 AMAQI
7th Aug 20255311 AMAQI
7th Aug 20255012 PMAQI
7th Aug 2025511 PMAQI
7th Aug 2025462 PMAQI
7th Aug 2025383 PMAQI
7th Aug 2025374 PMAQI
7th Aug 2025385 PMAQI
7th Aug 2025406 PMAQI
7th Aug 2025387 PMAQI
7th Aug 2025388 PMAQI
7th Aug 2025469 PMAQI
7th Aug 20254710 PMAQI
7th Aug 20254511 PMAQI
8th Aug 20254812 AMAQI
8th Aug 2025521 AMAQI
8th Aug 2025522 AMAQI
8th Aug 2025523 AMAQI
8th Aug 2025524 AMAQI
25°C23/27°C
8th Aug 2025525 AMAQI
8th Aug 2025526 AMAQI
8th Aug 2025527 AMAQI
8th Aug 2025528 AMAQI
8th Aug 2025519 AMAQI
8th Aug 20255110 AMAQI
8th Aug 20254911 AMAQI
8th Aug 20254912 PMAQI
8th Aug 2025521 PMAQI
8th Aug 2025532 PMAQI
8th Aug 2025523 PMAQI
8th Aug 2025534 PMAQI
8th Aug 2025515 PMAQI
8th Aug 2025476 PMAQI
8th Aug 2025457 PMAQI
8th Aug 2025468 PMAQI
8th Aug 2025519 PMAQI
8th Aug 20255210 PMAQI
8th Aug 20255311 PMAQI
9th Aug 20255412 AMAQI
9th Aug 2025521 AMAQI
9th Aug 2025522 AMAQI
9th Aug 2025523 AMAQI
9th Aug 2025524 AMAQI
25°C22/27°C
9th Aug 2025535 AMAQI
9th Aug 2025526 AMAQI
9th Aug 2025527 AMAQI
9th Aug 2025528 AMAQI
9th Aug 2025549 AMAQI
9th Aug 20255610 AMAQI
9th Aug 20255511 AMAQI
9th Aug 20255312 PMAQI
9th Aug 2025531 PMAQI
9th Aug 2025472 PMAQI
9th Aug 2025493 PMAQI
9th Aug 2025454 PMAQI
9th Aug 2025445 PMAQI
9th Aug 2025426 PMAQI
9th Aug 2025507 PMAQI
9th Aug 2025518 PMAQI
9th Aug 2025519 PMAQI
9th Aug 20255210 PMAQI
9th Aug 20255411 PMAQI
10th Aug 20255312 AMAQI
10th Aug 2025521 AMAQI
10th Aug 2025532 AMAQI
10th Aug 2025533 AMAQI
10th Aug 2025534 AMAQI
24°C21/25°C
10th Aug 2025535 AMAQI
5 AM10th Aug 2025536 AMAQI
10th Aug 2025537 AMAQI
10th Aug 2025538 AMAQI
10th Aug 2025589 AMAQI
10th Aug 20256410 AMAQI
10th Aug 20256011 AMAQI
10th Aug 20255712 PMAQI
12 PM10th Aug 2025521 PMAQI
10th Aug 2025502 PMAQI
10th Aug 2025513 PMAQI
10th Aug 2025544 PMAQI
10th Aug 2025555 PMAQI
10th Aug 2025556 PMAQI
10th Aug 2025537 PMAQI
7 PM10th Aug 2025538 PMAQI
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 AM
55AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
9 AM - 7 PM
52AQI
11 hours / Day
330 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 55), while the lowest AQI was between 9 AM to 7 PM (Avg. 52).
Night time
Avg. Highest Time
12 AM - 11 PM
55AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
55AQI
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. 55), while the lowest AQI was between 12 AM to 11 PM (Avg. 55).
2025 Days Vs Air Quality
Sosan, Chungnam, South Korea
2025
19%
42
78%
172
3%
7
Total number of days with different AQI categories in last 222 days in 2025 (143 days remaining)
Good
42 DaysModerate
172 DaysPoor
7 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 19%
Health Risk Level:
Extreme
In 2025, 19% of 222 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
Sosan, Chungnam, South Korea
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
73AQI
73AQI
2nd January 2025
52AQI
52AQI
3rd January 2025
56AQI
56AQI
4th January 2025
56AQI
56AQI
5th January 2025
65AQI
65AQI
6th January 2025
73AQI
73AQI
7th January 2025
54AQI
54AQI
8th January 2025
58AQI
58AQI
9th January 2025
43AQI
43AQI
10th January 2025
52AQI
52AQI
11th January 2025
53AQI
53AQI
12th January 2025
68AQI
68AQI
13th January 2025
79AQI
79AQI
14th January 2025
96AQI
96AQI
15th January 2025
57AQI
57AQI
16th January 2025
71AQI
71AQI
17th January 2025
60AQI
60AQI
18th January 2025
64AQI
64AQI
19th January 2025
66AQI
66AQI
20th January 2025
116AQI
116AQI
21st January 2025
98AQI
98AQI
22nd January 2025
114AQI
114AQI
23rd January 2025
81AQI
81AQI
24th January 2025
100AQI
100AQI
25th January 2025
68AQI
68AQI
26th January 2025
58AQI
58AQI
27th January 2025
62AQI
62AQI
28th January 2025
55AQI
55AQI
29th January 2025
55AQI
55AQI
30th January 2025
56AQI
56AQI
31st January 2025
75AQI
75AQI
1st February 2025
82AQI
82AQI
2nd February 2025
90AQI
90AQI
3rd February 2025
56AQI
56AQI
4th February 2025
52AQI
52AQI
5th February 2025
45AQI
45AQI
6th February 2025
51AQI
51AQI
7th February 2025
45AQI
45AQI
8th February 2025
43AQI
43AQI
9th February 2025
45AQI
45AQI
10th February 2025
54AQI
54AQI
11th February 2025
69AQI
69AQI
12th February 2025
61AQI
61AQI
13th February 2025
54AQI
54AQI
14th February 2025
79AQI
79AQI
15th February 2025
60AQI
60AQI
16th February 2025
104AQI
104AQI
17th February 2025
53AQI
53AQI
18th February 2025
59AQI
59AQI
19th February 2025
46AQI
46AQI
20th February 2025
52AQI
52AQI
21st February 2025
53AQI
53AQI
22nd February 2025
55AQI
55AQI
23rd February 2025
53AQI
53AQI
24th February 2025
54AQI
54AQI
25th February 2025
54AQI
54AQI
26th February 2025
62AQI
62AQI
27th February 2025
61AQI
61AQI
28th February 2025
67AQI
67AQI
1st March 2025
88AQI
88AQI
2nd March 2025
83AQI
83AQI
3rd March 2025
56AQI
56AQI
4th March 2025
50AQI
50AQI
5th March 2025
41AQI
41AQI
6th March 2025
80AQI
80AQI
7th March 2025
78AQI
78AQI
8th March 2025
78AQI
78AQI
9th March 2025
88AQI
88AQI
10th March 2025
99AQI
99AQI
11th March 2025
89AQI
89AQI
12th March 2025
92AQI
92AQI
13th March 2025
78AQI
78AQI
14th March 2025
74AQI
74AQI
15th March 2025
63AQI
63AQI
16th March 2025
69AQI
69AQI
17th March 2025
66AQI
66AQI
18th March 2025
84AQI
84AQI
19th March 2025
80AQI
80AQI
20th March 2025
92AQI
92AQI
21st March 2025
91AQI
91AQI
22nd March 2025
108AQI
108AQI
23rd March 2025
108AQI
108AQI
24th March 2025
106AQI
106AQI
25th March 2025
110AQI
110AQI
26th March 2025
92AQI
92AQI
27th March 2025
85AQI
85AQI
28th March 2025
61AQI
61AQI
29th March 2025
53AQI
53AQI
30th March 2025
51AQI
51AQI
31st March 2025
66AQI
66AQI
1st April 2025
68AQI
68AQI
2nd April 2025
75AQI
75AQI
3rd April 2025
87AQI
87AQI
4th April 2025
81AQI
81AQI
5th April 2025
73AQI
73AQI
6th April 2025
67AQI
67AQI
7th April 2025
70AQI
70AQI
8th April 2025
72AQI
72AQI
9th April 2025
68AQI
68AQI
10th April 2025
75AQI
75AQI
11th April 2025
73AQI
73AQI
12th April 2025
62AQI
62AQI
13th April 2025
62AQI
62AQI
14th April 2025
46AQI
46AQI
15th April 2025
60AQI
60AQI
16th April 2025
61AQI
61AQI
17th April 2025
64AQI
64AQI
18th April 2025
66AQI
66AQI
19th April 2025
44AQI
44AQI
20th April 2025
64AQI
64AQI
21st April 2025
58AQI
58AQI
22nd April 2025
48AQI
48AQI
23rd April 2025
46AQI
46AQI
24th April 2025
61AQI
61AQI
25th April 2025
53AQI
53AQI
26th April 2025
51AQI
51AQI
27th April 2025
44AQI
44AQI
28th April 2025
62AQI
62AQI
29th April 2025
66AQI
66AQI
30th April 2025
61AQI
61AQI
1st May 2025
60AQI
60AQI
2nd May 2025
52AQI
52AQI
3rd May 2025
51AQI
51AQI
4th May 2025
48AQI
48AQI
5th May 2025
55AQI
55AQI
6th May 2025
49AQI
49AQI
7th May 2025
53AQI
53AQI
8th May 2025
59AQI
59AQI
9th May 2025
53AQI
53AQI
10th May 2025
60AQI
60AQI
11th May 2025
69AQI
69AQI
12th May 2025
72AQI
72AQI
13th May 2025
74AQI
74AQI
14th May 2025
69AQI
69AQI
15th May 2025
57AQI
57AQI
16th May 2025
45AQI
45AQI
17th May 2025
41AQI
41AQI
18th May 2025
55AQI
55AQI
19th May 2025
57AQI
57AQI
20th May 2025
38AQI
38AQI
21st May 2025
42AQI
42AQI
22nd May 2025
47AQI
47AQI
23rd May 2025
58AQI
58AQI
24th May 2025
56AQI
56AQI
25th May 2025
50AQI
50AQI
26th May 2025
66AQI
66AQI
27th May 2025
66AQI
66AQI
28th May 2025
66AQI
66AQI
29th May 2025
73AQI
73AQI
30th May 2025
76AQI
76AQI
31st May 2025
78AQI
78AQI
1st June 2025
74AQI
74AQI
2nd June 2025
78AQI
78AQI
3rd June 2025
65AQI
65AQI
4th June 2025
55AQI
55AQI
5th June 2025
54AQI
54AQI
6th June 2025
57AQI
57AQI
7th June 2025
60AQI
60AQI
8th June 2025
54AQI
54AQI
9th June 2025
52AQI
52AQI
10th June 2025
47AQI
47AQI
11th June 2025
53AQI
53AQI
12th June 2025
60AQI
60AQI
13th June 2025
61AQI
61AQI
14th June 2025
60AQI
60AQI
15th June 2025
50AQI
50AQI
16th June 2025
53AQI
53AQI
17th June 2025
55AQI
55AQI
18th June 2025
58AQI
58AQI
19th June 2025
57AQI
57AQI
20th June 2025
46AQI
46AQI
21st June 2025
51AQI
51AQI
22nd June 2025
53AQI
53AQI
23rd June 2025
57AQI
57AQI
24th June 2025
60AQI
60AQI
25th June 2025
50AQI
50AQI
26th June 2025
50AQI
50AQI
27th June 2025
62AQI
62AQI
28th June 2025
54AQI
54AQI
29th June 2025
47AQI
47AQI
30th June 2025
46AQI
46AQI
1st July 2025
45AQI
45AQI
2nd July 2025
51AQI
51AQI
3rd July 2025
49AQI
49AQI
4th July 2025
51AQI
51AQI
5th July 2025
48AQI
48AQI
6th July 2025
49AQI
49AQI
7th July 2025
53AQI
53AQI
8th July 2025
62AQI
62AQI
9th July 2025
58AQI
58AQI
10th July 2025
55AQI
55AQI
11th July 2025
56AQI
56AQI
12th July 2025
54AQI
54AQI
13th July 2025
60AQI
60AQI
14th July 2025
57AQI
57AQI
15th July 2025
47AQI
47AQI
16th July 2025
53AQI
53AQI
17th July 2025
49AQI
49AQI
18th July 2025
48AQI
48AQI
19th July 2025
43AQI
43AQI
20th July 2025
49AQI
49AQI
21st July 2025
46AQI
46AQI
22nd July 2025
45AQI
45AQI
23rd July 2025
49AQI
49AQI
24th July 2025
52AQI
52AQI
25th July 2025
63AQI
63AQI
26th July 2025
63AQI
63AQI
27th July 2025
55AQI
55AQI
28th July 2025
58AQI
58AQI
29th July 2025
62AQI
62AQI
30th July 2025
65AQI
65AQI
31st July 2025
60AQI
60AQI
1st August 2025
58AQI
58AQI
2nd August 2025
61AQI
61AQI
3rd August 2025
59AQI
59AQI
4th August 2025
53AQI
53AQI
5th August 2025
52AQI
52AQI
6th August 2025
50AQI
50AQI
7th August 2025
47AQI
47AQI
8th August 2025
51AQI
51AQI
9th August 2025
52AQI
52AQI
69AQI
59AQI
79AQI
63AQI
58AQI
56AQI
53AQI
54AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202562AQI
1
28
2
5
22
1
2
25
4
5
25
8
23
7
23
12
19
2
7
42
172
7
Highest AQI recorded in
March79AQI
Lowest AQI recorded in
July53AQI
202459AQI
10
15
6
10
13
6
5
22
3
1
4
26
12
19
5
25
24
7
12
19
20
10
14
17
9
21
11
20
136
214
15
1
Highest AQI recorded in
January74AQI
Lowest AQI recorded in
July41AQI
202364AQI
9
15
5
2
1
18
9
3
20
8
2
21
5
2
4
26
1
8
22
16
15
21
10
17
13
12
19
12
16
1
9
17
4
1
114
212
33
5
Highest AQI recorded in
February88AQI
Lowest AQI recorded in
August47AQI
202264AQI
3
22
5
1
3
12
5
1
5
19
7
3
26
1
6
25
22
8
9
15
2
15
14
15
14
2
5
22
3
10
21
98
198
23
2
Highest AQI recorded in
February83AQI
Lowest AQI recorded in
August38AQI
202168AQI
6
25
5
15
6
2
2
19
7
2
1
2
27
1
5
24
1
1
5
25
14
17
15
16
24
6
11
20
9
17
3
1
10
14
7
108
225
24
5
1
2
Highest AQI recorded in
March102AQI
Lowest AQI recorded in
September43AQI
202058AQI
4
9
2
19
8
10
12
18
17
14
18
13
16
14
12
18
1
11
15
4
9
17
5
109
147
10
Highest AQI recorded in
December71AQI
Lowest AQI recorded in
August47AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
68AQILeast Polluted Year Recorded
2020(Avg.)
58AQISosan's annual 2025 AQI (62) shows an average percentage change of -0.03% (improved AQI) compared to previous years: 2020 (58), 2021 (68), 2022 (64), 2023 (64), 2024 (59).
