Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Daesan Ri, 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

Daesan Ri, Sosan, Chungnam, South Korea

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
12th Aug 2021
94AQI
Lowest AQI recorded on
21st Aug 2024
22AQI

Same Day Analysis (10th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 53 of Moderate air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 10th Aug - 11th Aug 2025

Daesan Ri, Sosan, Chungnam, South Korea

AQI
Day
Night
.

5 AM10th Aug 2025

7 PM

4 AM11th Aug 2025

Day time
Avg. Highest Time
10AM10th Aug

60AQI

Avg. Lowest Time
2PM10th Aug

49AQI

Night time
Avg. Highest Time
9PM10th Aug

53AQI

Avg. Lowest Time
12AM11th Aug

52AQI

In the last 24 hours,

Daesan Ri's AQI reached its highest point of 60 at 10 AM during the Day, while the lowest point, 49, was recorded at 2 PM during the Day between 10th Aug and 11th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Daesan Ri, Sosan, Chungnam, South Korea

JulAug
12th - 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 - 11th11th
Day
Night
12th Jul 2025585 AMAQI
12th Jul 2025586 AMAQI
12th Jul 2025587 AMAQI
12th Jul 2025588 AMAQI
12th Jul 2025429 AMAQI
12th Jul 20253610 AMAQI
12th Jul 20253811 AMAQI
12th Jul 20254212 PMAQI
12th Jul 2025511 PMAQI
12th Jul 2025522 PMAQI
12th Jul 2025533 PMAQI
12th Jul 2025534 PMAQI
12th Jul 2025555 PMAQI
12th Jul 2025556 PMAQI
12th Jul 2025577 PMAQI
12th Jul 2025588 PMAQI
12th Jul 2025589 PMAQI
12th Jul 20255810 PMAQI
12th Jul 20255711 PMAQI
13th Jul 20255812 AMAQI
13th Jul 2025581 AMAQI
13th Jul 2025582 AMAQI
13th Jul 2025583 AMAQI
13th Jul 2025584 AMAQI

24°C21/28°C

13th Jul 2025585 AMAQI
13th Jul 2025576 AMAQI
13th Jul 2025587 AMAQI
13th Jul 2025588 AMAQI
13th Jul 2025609 AMAQI
13th Jul 20256210 AMAQI
13th Jul 20256511 AMAQI
13th Jul 20257212 PMAQI
13th Jul 2025661 PMAQI
13th Jul 2025632 PMAQI
13th Jul 2025593 PMAQI
13th Jul 2025604 PMAQI
13th Jul 2025605 PMAQI
13th Jul 2025616 PMAQI
13th Jul 2025607 PMAQI
13th Jul 2025608 PMAQI
13th Jul 2025599 PMAQI
13th Jul 20255910 PMAQI
13th Jul 20255911 PMAQI
14th Jul 20255912 AMAQI
14th Jul 2025581 AMAQI
14th Jul 2025572 AMAQI
14th Jul 2025583 AMAQI
14th Jul 2025584 AMAQI

23°C22/24°C

14th Jul 2025585 AMAQI
14th Jul 2025586 AMAQI
14th Jul 2025597 AMAQI
14th Jul 2025588 AMAQI
14th Jul 2025569 AMAQI
14th Jul 20255410 AMAQI
14th Jul 20256311 AMAQI
14th Jul 20256812 PMAQI
14th Jul 2025651 PMAQI
14th Jul 2025652 PMAQI
14th Jul 2025633 PMAQI
14th Jul 2025614 PMAQI
14th Jul 2025605 PMAQI
14th Jul 2025556 PMAQI
14th Jul 2025427 PMAQI
14th Jul 2025458 PMAQI
14th Jul 2025569 PMAQI
14th Jul 20255610 PMAQI
14th Jul 20255611 PMAQI
15th Jul 20255612 AMAQI
15th Jul 2025581 AMAQI
15th Jul 2025602 AMAQI
15th Jul 2025593 AMAQI
15th Jul 2025594 AMAQI

22°C20/24°C

15th Jul 2025595 AMAQI
15th Jul 2025606 AMAQI
15th Jul 2025607 AMAQI
15th Jul 2025608 AMAQI
15th Jul 2025269 AMAQI
15th Jul 20252410 AMAQI
15th Jul 20251811 AMAQI
15th Jul 20252212 PMAQI
15th Jul 2025391 PMAQI
15th Jul 2025382 PMAQI
15th Jul 2025383 PMAQI
15th Jul 2025394 PMAQI
15th Jul 2025385 PMAQI
15th Jul 2025406 PMAQI
15th Jul 2025387 PMAQI
15th Jul 2025418 PMAQI
15th Jul 2025559 PMAQI
15th Jul 20255410 PMAQI
15th Jul 20255411 PMAQI
16th Jul 20255512 AMAQI
16th Jul 2025581 AMAQI
16th Jul 2025582 AMAQI
16th Jul 2025583 AMAQI
16th Jul 2025574 AMAQI

21°C20/23°C

16th Jul 2025565 AMAQI
16th Jul 2025566 AMAQI
16th Jul 2025567 AMAQI
16th Jul 2025568 AMAQI
16th Jul 2025529 AMAQI
16th Jul 20255210 AMAQI
16th Jul 20255211 AMAQI
16th Jul 20255212 PMAQI
16th Jul 2025541 PMAQI
16th Jul 2025542 PMAQI
16th Jul 2025513 PMAQI
16th Jul 2025484 PMAQI
16th Jul 2025465 PMAQI
16th Jul 2025446 PMAQI
16th Jul 2025397 PMAQI
16th Jul 2025418 PMAQI
16th Jul 2025539 PMAQI
16th Jul 20255410 PMAQI
16th Jul 20255311 PMAQI
17th Jul 20255412 AMAQI
17th Jul 2025561 AMAQI
17th Jul 2025562 AMAQI
17th Jul 2025563 AMAQI
17th Jul 2025564 AMAQI

22°C21/24°C

17th Jul 2025555 AMAQI
17th Jul 2025556 AMAQI
17th Jul 2025557 AMAQI
17th Jul 2025558 AMAQI
17th Jul 2025279 AMAQI
17th Jul 20251910 AMAQI
17th Jul 20251911 AMAQI
17th Jul 20252312 PMAQI
17th Jul 2025331 PMAQI
17th Jul 2025292 PMAQI
17th Jul 2025343 PMAQI
17th Jul 2025424 PMAQI
17th Jul 2025415 PMAQI
17th Jul 2025426 PMAQI
17th Jul 2025467 PMAQI
17th Jul 2025468 PMAQI
17th Jul 2025519 PMAQI
17th Jul 20255110 PMAQI
17th Jul 20255011 PMAQI
18th Jul 20255012 AMAQI
18th Jul 2025541 AMAQI
18th Jul 2025562 AMAQI
18th Jul 2025563 AMAQI
18th Jul 2025564 AMAQI

24°C23/24°C

18th Jul 2025555 AMAQI
18th Jul 2025556 AMAQI
18th Jul 2025547 AMAQI
18th Jul 2025548 AMAQI
18th Jul 2025339 AMAQI
18th Jul 20252510 AMAQI
18th Jul 20252611 AMAQI
18th Jul 20252812 PMAQI
18th Jul 2025361 PMAQI
18th Jul 2025362 PMAQI
18th Jul 2025403 PMAQI
18th Jul 2025414 PMAQI
18th Jul 2025445 PMAQI
18th Jul 2025496 PMAQI
18th Jul 2025507 PMAQI
18th Jul 2025508 PMAQI
18th Jul 2025529 PMAQI
18th Jul 20255210 PMAQI
18th Jul 20255211 PMAQI
19th Jul 20255212 AMAQI
19th Jul 2025531 AMAQI
19th Jul 2025542 AMAQI
19th Jul 2025543 AMAQI
19th Jul 2025534 AMAQI

23°C22/24°C

19th Jul 2025525 AMAQI
19th Jul 2025526 AMAQI
19th Jul 2025527 AMAQI
19th Jul 2025528 AMAQI
19th Jul 2025279 AMAQI
19th Jul 20252010 AMAQI
19th Jul 20251711 AMAQI
19th Jul 20251712 PMAQI
19th Jul 2025231 PMAQI
19th Jul 2025252 PMAQI
19th Jul 2025253 PMAQI
19th Jul 2025284 PMAQI
19th Jul 2025315 PMAQI
19th Jul 2025316 PMAQI
19th Jul 2025307 PMAQI
19th Jul 2025318 PMAQI
19th Jul 2025439 PMAQI
19th Jul 20254410 PMAQI
19th Jul 20254511 PMAQI
20th Jul 20254212 AMAQI
20th Jul 2025531 AMAQI
20th Jul 2025532 AMAQI
20th Jul 2025533 AMAQI
20th Jul 2025524 AMAQI

24°C23/26°C

20th Jul 2025495 AMAQI
20th Jul 2025526 AMAQI
20th Jul 2025507 AMAQI
20th Jul 2025508 AMAQI
20th Jul 2025409 AMAQI
20th Jul 20253410 AMAQI
20th Jul 20253611 AMAQI
20th Jul 20253312 PMAQI
20th Jul 2025361 PMAQI
20th Jul 2025382 PMAQI
20th Jul 2025413 PMAQI
20th Jul 2025404 PMAQI
20th Jul 2025405 PMAQI
20th Jul 2025426 PMAQI
20th Jul 2025477 PMAQI
20th Jul 2025518 PMAQI
20th Jul 2025519 PMAQI
20th Jul 20255210 PMAQI
20th Jul 20255211 PMAQI
21st Jul 20255212 AMAQI
21st Jul 2025521 AMAQI
21st Jul 2025522 AMAQI
21st Jul 2025523 AMAQI
21st Jul 2025514 AMAQI

25°C23/27°C

21st Jul 2025505 AMAQI
21st Jul 2025516 AMAQI
21st Jul 2025517 AMAQI
21st Jul 2025508 AMAQI
21st Jul 2025509 AMAQI
21st Jul 20255410 AMAQI
21st Jul 20255011 AMAQI
21st Jul 20254512 PMAQI
21st Jul 2025391 PMAQI
21st Jul 2025372 PMAQI
21st Jul 2025373 PMAQI
21st Jul 2025404 PMAQI
21st Jul 2025345 PMAQI
21st Jul 2025346 PMAQI
21st Jul 2025307 PMAQI
21st Jul 2025348 PMAQI
21st Jul 2025429 PMAQI
21st Jul 20254310 PMAQI
21st Jul 20254211 PMAQI
22nd Jul 20254012 AMAQI
22nd Jul 2025481 AMAQI
22nd Jul 2025522 AMAQI
22nd Jul 2025523 AMAQI
22nd Jul 2025514 AMAQI

25°C23/27°C

22nd Jul 2025515 AMAQI
22nd Jul 2025516 AMAQI
22nd Jul 2025517 AMAQI
22nd Jul 2025518 AMAQI
22nd Jul 2025329 AMAQI
22nd Jul 20253010 AMAQI
22nd Jul 20253411 AMAQI
22nd Jul 20253612 PMAQI
22nd Jul 2025381 PMAQI
22nd Jul 2025402 PMAQI
22nd Jul 2025383 PMAQI
22nd Jul 2025384 PMAQI
22nd Jul 2025405 PMAQI
22nd Jul 2025386 PMAQI
22nd Jul 2025427 PMAQI
22nd Jul 2025448 PMAQI
22nd Jul 2025489 PMAQI
22nd Jul 20254710 PMAQI
22nd Jul 20254611 PMAQI
23rd Jul 20254412 AMAQI
23rd Jul 2025421 AMAQI
23rd Jul 2025442 AMAQI
23rd Jul 2025513 AMAQI
23rd Jul 2025484 AMAQI

25°C23/27°C

23rd Jul 2025465 AMAQI
23rd Jul 2025486 AMAQI
23rd Jul 2025477 AMAQI
23rd Jul 2025478 AMAQI
23rd Jul 2025479 AMAQI
23rd Jul 20254610 AMAQI
23rd Jul 20255311 AMAQI
23rd Jul 20255412 PMAQI
23rd Jul 2025581 PMAQI
23rd Jul 2025582 PMAQI
23rd Jul 2025543 PMAQI
23rd Jul 2025514 PMAQI
23rd Jul 2025555 PMAQI
23rd Jul 2025566 PMAQI
23rd Jul 2025547 PMAQI
23rd Jul 2025468 PMAQI
23rd Jul 2025449 PMAQI
23rd Jul 20254310 PMAQI
23rd Jul 20254311 PMAQI
24th Jul 20254212 AMAQI
24th Jul 2025481 AMAQI
24th Jul 2025472 AMAQI
24th Jul 2025473 AMAQI
24th Jul 2025484 AMAQI

25°C24/27°C

24th Jul 2025485 AMAQI
24th Jul 2025486 AMAQI
24th Jul 2025487 AMAQI
24th Jul 2025498 AMAQI
24th Jul 2025459 AMAQI
24th Jul 20255110 AMAQI
24th Jul 20255011 AMAQI
24th Jul 20255612 PMAQI
24th Jul 2025551 PMAQI
24th Jul 2025562 PMAQI
24th Jul 2025603 PMAQI
24th Jul 2025604 PMAQI
24th Jul 2025595 PMAQI
24th Jul 2025676 PMAQI
24th Jul 2025637 PMAQI
24th Jul 2025618 PMAQI
24th Jul 2025549 PMAQI
24th Jul 20255610 PMAQI
24th Jul 20255511 PMAQI
25th Jul 20255512 AMAQI
25th Jul 2025541 AMAQI
25th Jul 2025502 AMAQI
25th Jul 2025483 AMAQI
25th Jul 2025494 AMAQI

25°C24/27°C

25th Jul 2025505 AMAQI
25th Jul 2025506 AMAQI
25th Jul 2025507 AMAQI
25th Jul 2025508 AMAQI
25th Jul 2025669 AMAQI
25th Jul 20257310 AMAQI
25th Jul 20257611 AMAQI
25th Jul 20258012 PMAQI
25th Jul 2025791 PMAQI
25th Jul 2025812 PMAQI
25th Jul 2025763 PMAQI
25th Jul 2025864 PMAQI
25th Jul 2025825 PMAQI
25th Jul 2025796 PMAQI
25th Jul 2025847 PMAQI
25th Jul 2025788 PMAQI
25th Jul 2025669 PMAQI
25th Jul 20256410 PMAQI
25th Jul 20256311 PMAQI
26th Jul 20256212 AMAQI
26th Jul 2025521 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025523 AMAQI
26th Jul 2025534 AMAQI

26°C24/29°C

26th Jul 2025555 AMAQI
26th Jul 2025566 AMAQI
26th Jul 2025557 AMAQI
26th Jul 2025558 AMAQI
26th Jul 2025649 AMAQI
26th Jul 20255810 AMAQI
26th Jul 20255911 AMAQI
26th Jul 20256212 PMAQI
26th Jul 2025601 PMAQI
26th Jul 2025602 PMAQI
26th Jul 2025583 PMAQI
26th Jul 2025654 PMAQI
26th Jul 2025685 PMAQI
26th Jul 2025746 PMAQI
26th Jul 2025927 PMAQI
26th Jul 2025768 PMAQI
26th Jul 2025699 PMAQI
26th Jul 20257110 PMAQI
26th Jul 20257111 PMAQI
27th Jul 20256812 AMAQI
27th Jul 2025571 AMAQI
27th Jul 2025552 AMAQI
27th Jul 2025553 AMAQI
27th Jul 2025554 AMAQI

26°C24/29°C

27th Jul 2025565 AMAQI
27th Jul 2025566 AMAQI
27th Jul 2025567 AMAQI
27th Jul 2025568 AMAQI
27th Jul 2025629 AMAQI
27th Jul 20257010 AMAQI
27th Jul 20257011 AMAQI
27th Jul 20256212 PMAQI
27th Jul 2025481 PMAQI
27th Jul 2025512 PMAQI
27th Jul 2025503 PMAQI
27th Jul 2025484 PMAQI
27th Jul 2025525 PMAQI
27th Jul 2025536 PMAQI
27th Jul 2025547 PMAQI
27th Jul 2025498 PMAQI
27th Jul 2025569 PMAQI
27th Jul 20255710 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

26°C25/29°C

28th Jul 2025575 AMAQI
28th Jul 2025576 AMAQI
28th Jul 2025567 AMAQI
28th Jul 2025578 AMAQI
28th Jul 2025629 AMAQI
28th Jul 20256410 AMAQI
28th Jul 20257311 AMAQI
28th Jul 20257112 PMAQI
28th Jul 2025701 PMAQI
28th Jul 2025682 PMAQI
28th Jul 2025583 PMAQI
28th Jul 2025644 PMAQI
28th Jul 2025645 PMAQI
28th Jul 2025626 PMAQI
28th Jul 2025607 PMAQI
28th Jul 2025568 PMAQI
28th Jul 2025569 PMAQI
28th Jul 20255610 PMAQI
28th Jul 20255811 PMAQI
29th Jul 20255612 AMAQI
29th Jul 2025561 AMAQI
29th Jul 2025562 AMAQI
29th Jul 2025563 AMAQI
29th Jul 2025574 AMAQI

26°C25/28°C

29th Jul 2025605 AMAQI
29th Jul 2025606 AMAQI
29th Jul 2025607 AMAQI
29th Jul 2025608 AMAQI
29th Jul 2025639 AMAQI
29th Jul 20256110 AMAQI
29th Jul 20256611 AMAQI
29th Jul 20256912 PMAQI
29th Jul 2025711 PMAQI
29th Jul 2025742 PMAQI
29th Jul 2025743 PMAQI
29th Jul 2025804 PMAQI
29th Jul 2025815 PMAQI
29th Jul 2025746 PMAQI
29th Jul 2025747 PMAQI
29th Jul 2025688 PMAQI
29th Jul 2025659 PMAQI
29th Jul 20256610 PMAQI
29th Jul 20256411 PMAQI
30th Jul 20256312 AMAQI
30th Jul 2025581 AMAQI
30th Jul 2025572 AMAQI
30th Jul 2025583 AMAQI
30th Jul 2025584 AMAQI

26°C24/29°C

30th Jul 2025605 AMAQI
30th Jul 2025606 AMAQI
30th Jul 2025607 AMAQI
30th Jul 2025618 AMAQI
30th Jul 2025719 AMAQI
30th Jul 20257310 AMAQI
30th Jul 20257611 AMAQI
30th Jul 20257212 PMAQI
30th Jul 2025641 PMAQI
30th Jul 2025672 PMAQI
30th Jul 2025763 PMAQI
30th Jul 2025784 PMAQI
30th Jul 2025805 PMAQI
30th Jul 2025886 PMAQI
30th Jul 2025847 PMAQI
30th Jul 2025758 PMAQI
30th Jul 2025669 PMAQI
30th Jul 20256410 PMAQI
30th Jul 20256411 PMAQI
31st Jul 20256412 AMAQI
31st Jul 2025601 AMAQI
31st Jul 2025592 AMAQI
31st Jul 2025593 AMAQI
31st Jul 2025594 AMAQI

27°C25/29°C

31st Jul 2025595 AMAQI
31st Jul 2025596 AMAQI
31st Jul 2025597 AMAQI
31st Jul 2025598 AMAQI
31st Jul 2025599 AMAQI
31st Jul 20255910 AMAQI
31st Jul 20256011 AMAQI
31st Jul 20255812 PMAQI
31st Jul 2025571 PMAQI
31st Jul 2025582 PMAQI
31st Jul 2025593 PMAQI
31st Jul 2025624 PMAQI
31st Jul 2025605 PMAQI
31st Jul 2025636 PMAQI
31st Jul 2025707 PMAQI
31st Jul 2025648 PMAQI
31st Jul 2025549 PMAQI
31st Jul 20255210 PMAQI
31st Jul 20255411 PMAQI
1st Aug 20255412 AMAQI
1st Aug 2025551 AMAQI
1st Aug 2025562 AMAQI
1st Aug 2025553 AMAQI
1st Aug 2025574 AMAQI

26°C25/28°C

1st Aug 2025565 AMAQI
1st Aug 2025566 AMAQI
1st Aug 2025577 AMAQI
1st Aug 2025558 AMAQI
1st Aug 2025649 AMAQI
1st Aug 20256210 AMAQI
1st Aug 20256111 AMAQI
1st Aug 20256012 PMAQI
1st Aug 2025571 PMAQI
1st Aug 2025592 PMAQI
1st Aug 2025653 PMAQI
1st Aug 2025544 PMAQI
1st Aug 2025635 PMAQI
1st Aug 2025596 PMAQI
1st Aug 2025627 PMAQI
1st Aug 2025568 PMAQI
1st Aug 2025569 PMAQI
1st Aug 20255810 PMAQI
1st Aug 20255811 PMAQI
2nd Aug 20255912 AMAQI
2nd Aug 2025541 AMAQI
2nd Aug 2025552 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025554 AMAQI

26°C25/28°C

2nd Aug 2025555 AMAQI
2nd Aug 2025566 AMAQI
2nd Aug 2025567 AMAQI
2nd Aug 2025568 AMAQI
2nd Aug 2025759 AMAQI
2nd Aug 20257910 AMAQI
2nd Aug 20257811 AMAQI
2nd Aug 20257912 PMAQI
2nd Aug 2025831 PMAQI
2nd Aug 2025672 PMAQI
2nd Aug 2025593 PMAQI
2nd Aug 2025684 PMAQI
2nd Aug 2025635 PMAQI
2nd Aug 2025706 PMAQI
2nd Aug 2025687 PMAQI
2nd Aug 2025588 PMAQI
2nd Aug 2025589 PMAQI
2nd Aug 20255810 PMAQI
2nd Aug 20256211 PMAQI
3rd Aug 20255612 AMAQI
3rd Aug 2025551 AMAQI
3rd Aug 2025552 AMAQI
3rd Aug 2025563 AMAQI
3rd Aug 2025574 AMAQI

27°C25/28°C

3rd Aug 2025595 AMAQI
3rd Aug 2025576 AMAQI
3rd Aug 2025577 AMAQI
3rd Aug 2025598 AMAQI
3rd Aug 2025649 AMAQI
3rd Aug 20256610 AMAQI
3rd Aug 20257011 AMAQI
3rd Aug 20257412 PMAQI
3rd Aug 2025741 PMAQI
3rd Aug 2025782 PMAQI
3rd Aug 2025713 PMAQI
3rd Aug 2025704 PMAQI
3rd Aug 2025685 PMAQI
3rd Aug 2025686 PMAQI
3rd Aug 2025677 PMAQI
3rd Aug 2025588 PMAQI
3rd Aug 2025619 PMAQI
3rd Aug 20255810 PMAQI
3rd Aug 20255511 PMAQI
4th Aug 20255512 AMAQI
4th Aug 2025551 AMAQI
4th Aug 2025572 AMAQI
4th Aug 2025573 AMAQI
4th Aug 2025584 AMAQI

25°C24/26°C

4th Aug 2025585 AMAQI
4th Aug 2025586 AMAQI
4th Aug 2025587 AMAQI
4th Aug 2025598 AMAQI
4th Aug 2025539 AMAQI
4th Aug 20255410 AMAQI
4th Aug 20255811 AMAQI
4th Aug 20255312 PMAQI
4th Aug 2025601 PMAQI
4th Aug 2025652 PMAQI
4th Aug 2025553 PMAQI
4th Aug 2025524 PMAQI
4th Aug 2025535 PMAQI
4th Aug 2025566 PMAQI
4th Aug 2025597 PMAQI
4th Aug 2025568 PMAQI
4th Aug 2025589 PMAQI
4th Aug 20256010 PMAQI
4th Aug 20256111 PMAQI
5th Aug 20255812 AMAQI
5th Aug 2025551 AMAQI
5th Aug 2025562 AMAQI
5th Aug 2025563 AMAQI
5th Aug 2025564 AMAQI

25°C24/27°C

5th Aug 2025565 AMAQI
5th Aug 2025566 AMAQI
5th Aug 2025567 AMAQI
5th Aug 2025558 AMAQI
5th Aug 2025589 AMAQI
5th Aug 20255510 AMAQI
5th Aug 20256311 AMAQI
5th Aug 20256512 PMAQI
5th Aug 2025731 PMAQI
5th Aug 2025752 PMAQI
5th Aug 2025563 PMAQI
5th Aug 2025534 PMAQI
5th Aug 2025505 PMAQI
5th Aug 2025546 PMAQI
5th Aug 2025607 PMAQI
5th Aug 2025588 PMAQI
5th Aug 2025549 PMAQI
5th Aug 20255610 PMAQI
5th Aug 20255711 PMAQI
6th Aug 20255312 AMAQI
6th Aug 2025551 AMAQI
6th Aug 2025552 AMAQI
6th Aug 2025553 AMAQI
6th Aug 2025554 AMAQI

26°C24/27°C

6th Aug 2025565 AMAQI
6th Aug 2025556 AMAQI
6th Aug 2025567 AMAQI
6th Aug 2025568 AMAQI
6th Aug 2025509 AMAQI
6th Aug 20254610 AMAQI
6th Aug 20255311 AMAQI
6th Aug 20255612 PMAQI
6th Aug 2025561 PMAQI
6th Aug 2025832 PMAQI
6th Aug 2025843 PMAQI
6th Aug 2025554 PMAQI
6th Aug 2025545 PMAQI
6th Aug 2025546 PMAQI
6th Aug 2025527 PMAQI
6th Aug 2025518 PMAQI
6th Aug 2025469 PMAQI
6th Aug 20254710 PMAQI
6th Aug 20254811 PMAQI
7th Aug 20254812 AMAQI
7th Aug 2025531 AMAQI
7th Aug 2025542 AMAQI
7th Aug 2025543 AMAQI
7th Aug 2025544 AMAQI

26°C25/27°C

7th Aug 2025545 AMAQI
7th Aug 2025536 AMAQI
7th Aug 2025547 AMAQI
7th Aug 2025548 AMAQI
7th Aug 2025569 AMAQI
7th Aug 20255410 AMAQI
7th Aug 20255611 AMAQI
7th Aug 20255912 PMAQI
7th Aug 2025531 PMAQI
7th Aug 2025502 PMAQI
7th Aug 2025423 PMAQI
7th Aug 2025354 PMAQI
7th Aug 2025305 PMAQI
7th Aug 2025406 PMAQI
7th Aug 2025387 PMAQI
7th Aug 2025428 PMAQI
7th Aug 2025489 PMAQI
7th Aug 20254810 PMAQI
7th Aug 20254711 PMAQI
8th Aug 20255012 AMAQI
8th Aug 2025531 AMAQI
8th Aug 2025522 AMAQI
8th Aug 2025533 AMAQI
8th Aug 2025534 AMAQI

25°C24/26°C

8th Aug 2025535 AMAQI
8th Aug 2025536 AMAQI
8th Aug 2025537 AMAQI
8th Aug 2025538 AMAQI
8th Aug 2025509 AMAQI
8th Aug 20255010 AMAQI
8th Aug 20255311 AMAQI
8th Aug 20255712 PMAQI
8th Aug 2025581 PMAQI
8th Aug 2025582 PMAQI
8th Aug 2025563 PMAQI
8th Aug 2025554 PMAQI
8th Aug 2025565 PMAQI
8th Aug 2025496 PMAQI
8th Aug 2025487 PMAQI
8th Aug 2025468 PMAQI
8th Aug 2025529 PMAQI
8th Aug 20255210 PMAQI
8th Aug 20255211 PMAQI
9th Aug 20255412 AMAQI
9th Aug 2025521 AMAQI
9th Aug 2025522 AMAQI
9th Aug 2025523 AMAQI
9th Aug 2025524 AMAQI

25°C23/26°C

9th Aug 2025535 AMAQI
9th Aug 2025536 AMAQI
9th Aug 2025537 AMAQI
9th Aug 2025538 AMAQI
9th Aug 2025559 AMAQI
9th Aug 20255510 AMAQI
9th Aug 20255211 AMAQI
9th Aug 20255312 PMAQI
9th Aug 2025531 PMAQI
9th Aug 2025462 PMAQI
9th Aug 2025523 PMAQI
9th Aug 2025484 PMAQI
9th Aug 2025465 PMAQI
9th Aug 2025486 PMAQI
9th Aug 2025517 PMAQI
9th Aug 2025508 PMAQI
9th Aug 2025489 PMAQI
9th Aug 20255210 PMAQI
9th Aug 20255211 PMAQI
10th Aug 20255212 AMAQI
10th Aug 2025521 AMAQI
10th Aug 2025532 AMAQI
10th Aug 2025533 AMAQI
10th Aug 2025534 AMAQI

24°C22/25°C

10th Aug 2025535 AMAQI
10th Aug 2025536 AMAQI
10th Aug 2025537 AMAQI
10th Aug 2025538 AMAQI
10th Aug 2025569 AMAQI
10th Aug 20256010 AMAQI
10th Aug 20255911 AMAQI
10th Aug 20255812 PMAQI
10th Aug 2025531 PMAQI
10th Aug 2025492 PMAQI
10th Aug 2025533 PMAQI
10th Aug 2025544 PMAQI
10th Aug 2025535 PMAQI
10th Aug 2025546 PMAQI
10th Aug 2025527 PMAQI
10th Aug 2025528 PMAQI
10th Aug 2025539 PMAQI
10th Aug 20255210 PMAQI
10th Aug 20255211 PMAQI
11th Aug 20255212 AMAQI
11th Aug 2025531 AMAQI
11th Aug 2025532 AMAQI
11th Aug 2025533 AMAQI
11th Aug 2025534 AMAQI

24°C23/26°C

11th Aug 2025545 AMAQI
5 AM
11th Aug 2025546 AMAQI
11th Aug 2025547 AMAQI
11th Aug 2025548 AMAQI
11th Aug 2025619 AMAQI
11th Aug 20256410 AMAQI
11th Aug 20256711 AMAQI
11th Aug 20256612 PMAQI
12 PM
11th Aug 2025631 PMAQI
11th Aug 2025622 PMAQI
11th Aug 2025633 PMAQI
11th Aug 2025654 PMAQI
11th Aug 2025585 PMAQI
11th Aug 2025586 PMAQI
11th Aug 2025617 PMAQI
7 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 7 PM

55AQI

15 hours / Day
450 hours / Month
Avg. Lowest Time
9 AM - 7 PM

55AQI

11 hours / Day
330 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 PM (Avg. 55), while the lowest AQI was between 9 AM to 7 PM (Avg. 55).
Night time
Avg. Highest Time
12 AM - 11 PM

54AQI

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

54AQI

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. 54), while the lowest AQI was between 12 AM to 11 PM (Avg. 54).

2025 Days Vs Air Quality

Daesan Ri, Sosan, Chungnam, South Korea

2025

23%

50

73%

162

5%

10

Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)

Good
50 Days
Moderate
162 Days
Poor
10 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 23%

Health Risk Level:

Very high

In 2025, 23% of 223 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.

Annual Air Quality Insights

Daesan Ri, 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
66AQI
2nd January 2025
53AQI
3rd January 2025
57AQI
4th January 2025
54AQI
5th January 2025
55AQI
6th January 2025
74AQI
7th January 2025
50AQI
8th January 2025
56AQI
9th January 2025
40AQI
10th January 2025
48AQI
11th January 2025
47AQI
12th January 2025
68AQI
13th January 2025
76AQI
14th January 2025
97AQI
15th January 2025
52AQI
16th January 2025
67AQI
17th January 2025
59AQI
18th January 2025
64AQI
19th January 2025
64AQI
20th January 2025
124AQI
21st January 2025
110AQI
22nd January 2025
131AQI
23rd January 2025
90AQI
24th January 2025
116AQI
25th January 2025
71AQI
26th January 2025
59AQI
27th January 2025
59AQI
28th January 2025
53AQI
29th January 2025
53AQI
30th January 2025
50AQI
31st January 2025
68AQI
1st February 2025
80AQI
2nd February 2025
85AQI
3rd February 2025
58AQI
4th February 2025
52AQI
5th February 2025
46AQI
6th February 2025
51AQI
7th February 2025
47AQI
8th February 2025
39AQI
9th February 2025
41AQI
10th February 2025
51AQI
11th February 2025
63AQI
12th February 2025
61AQI
13th February 2025
49AQI
14th February 2025
74AQI
15th February 2025
58AQI
16th February 2025
102AQI
17th February 2025
49AQI
18th February 2025
56AQI
19th February 2025
43AQI
20th February 2025
53AQI
21st February 2025
50AQI
22nd February 2025
55AQI
23rd February 2025
52AQI
24th February 2025
51AQI
25th February 2025
50AQI
26th February 2025
60AQI
27th February 2025
56AQI
28th February 2025
68AQI
1st March 2025
87AQI
2nd March 2025
83AQI
3rd March 2025
55AQI
4th March 2025
49AQI
5th March 2025
38AQI
6th March 2025
77AQI
7th March 2025
76AQI
8th March 2025
76AQI
9th March 2025
99AQI
10th March 2025
102AQI
11th March 2025
87AQI
12th March 2025
91AQI
13th March 2025
78AQI
14th March 2025
73AQI
15th March 2025
59AQI
16th March 2025
68AQI
17th March 2025
64AQI
18th March 2025
78AQI
19th March 2025
75AQI
20th March 2025
88AQI
21st March 2025
83AQI
22nd March 2025
102AQI
23rd March 2025
103AQI
24th March 2025
101AQI
25th March 2025
111AQI
26th March 2025
89AQI
27th March 2025
86AQI
28th March 2025
57AQI
29th March 2025
50AQI
30th March 2025
48AQI
31st March 2025
61AQI
1st April 2025
63AQI
2nd April 2025
70AQI
3rd April 2025
83AQI
4th April 2025
75AQI
5th April 2025
67AQI
6th April 2025
62AQI
7th April 2025
66AQI
8th April 2025
67AQI
9th April 2025
63AQI
10th April 2025
71AQI
11th April 2025
72AQI
12th April 2025
60AQI
13th April 2025
60AQI
14th April 2025
41AQI
15th April 2025
58AQI
16th April 2025
61AQI
17th April 2025
62AQI
18th April 2025
68AQI
19th April 2025
42AQI
20th April 2025
64AQI
21st April 2025
53AQI
22nd April 2025
49AQI
23rd April 2025
40AQI
24th April 2025
63AQI
25th April 2025
53AQI
26th April 2025
49AQI
27th April 2025
40AQI
28th April 2025
58AQI
29th April 2025
64AQI
30th April 2025
59AQI
1st May 2025
57AQI
2nd May 2025
49AQI
3rd May 2025
52AQI
4th May 2025
44AQI
5th May 2025
55AQI
6th May 2025
45AQI
7th May 2025
53AQI
8th May 2025
57AQI
9th May 2025
50AQI
10th May 2025
59AQI
11th May 2025
68AQI
12th May 2025
68AQI
13th May 2025
73AQI
14th May 2025
68AQI
15th May 2025
59AQI
16th May 2025
48AQI
17th May 2025
42AQI
18th May 2025
56AQI
19th May 2025
57AQI
20th May 2025
38AQI
21st May 2025
44AQI
22nd May 2025
48AQI
23rd May 2025
61AQI
24th May 2025
56AQI
25th May 2025
51AQI
26th May 2025
64AQI
27th May 2025
66AQI
28th May 2025
70AQI
29th May 2025
76AQI
30th May 2025
81AQI
31st May 2025
81AQI
1st June 2025
77AQI
2nd June 2025
83AQI
3rd June 2025
67AQI
4th June 2025
56AQI
5th June 2025
55AQI
6th June 2025
57AQI
7th June 2025
60AQI
8th June 2025
54AQI
9th June 2025
57AQI
10th June 2025
52AQI
11th June 2025
55AQI
12th June 2025
61AQI
13th June 2025
61AQI
14th June 2025
60AQI
15th June 2025
50AQI
16th June 2025
54AQI
17th June 2025
57AQI
18th June 2025
59AQI
19th June 2025
58AQI
20th June 2025
49AQI
21st June 2025
54AQI
22nd June 2025
55AQI
23rd June 2025
59AQI
24th June 2025
59AQI
25th June 2025
52AQI
26th June 2025
53AQI
27th June 2025
61AQI
28th June 2025
56AQI
29th June 2025
50AQI
30th June 2025
48AQI
1st July 2025
46AQI
2nd July 2025
50AQI
3rd July 2025
52AQI
4th July 2025
51AQI
5th July 2025
49AQI
6th July 2025
49AQI
7th July 2025
53AQI
8th July 2025
63AQI
9th July 2025
56AQI
10th July 2025
55AQI
11th July 2025
56AQI
12th July 2025
55AQI
13th July 2025
59AQI
14th July 2025
58AQI
15th July 2025
48AQI
16th July 2025
53AQI
17th July 2025
46AQI
18th July 2025
48AQI
19th July 2025
41AQI
20th July 2025
46AQI
21st July 2025
44AQI
22nd July 2025
44AQI
23rd July 2025
49AQI
24th July 2025
53AQI
25th July 2025
66AQI
26th July 2025
63AQI
27th July 2025
56AQI
28th July 2025
60AQI
29th July 2025
65AQI
30th July 2025
68AQI
31st July 2025
59AQI
1st August 2025
58AQI
2nd August 2025
63AQI
3rd August 2025
62AQI
4th August 2025
57AQI
5th August 2025
58AQI
6th August 2025
55AQI
7th August 2025
49AQI
8th August 2025
52AQI
9th August 2025
52AQI
10th August 2025
53AQI

69AQI

57AQI

77AQI

60AQI

58AQI

58AQI

54AQI

56AQI

No. of days

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

202562AQI

5
22
4
9
18
1
4
22
5
6
24
9
22
4
26
12
19
1
9
50
162
10

Highest AQI recorded in

March

77AQI

Lowest AQI recorded in

July

54AQI

202458AQI

11
15
5
9
16
3
1
5
22
3
1
5
22
2
12
19
9
21
23
8
15
16
22
8
15
16
11
18
1
10
21
147
202
14
2

Highest AQI recorded in

January

72AQI

Lowest AQI recorded in

July

37AQI

202362AQI

10
12
7
2
1
18
7
2
4
19
8
4
22
2
2
6
24
1
12
18
17
13
1
20
11
20
10
18
13
19
10
11
16
4
142
186
30
6

Highest AQI recorded in

February

87AQI

Lowest AQI recorded in

September

45AQI

202259AQI

2
1
4
11
5
1
8
19
4
7
21
2
9
22
21
9
9
15
1
17
10
1
15
15
1
9
18
2
1
11
20
113
161
15
2

Highest AQI recorded in

February

82AQI

Lowest AQI recorded in

August

28AQI

202164AQI

10
19
1
5
15
5
3
2
19
7
2
1
6
23
1
8
21
1
1
6
24
18
12
1
16
15
26
4
17
14
11
16
2
1
13
12
6
138
194
23
6
1
2

Highest AQI recorded in

March

99AQI

Lowest AQI recorded in

September

39AQI

202059AQI

13
2
19
3
15
3
27
14
16
1
16
15
15
13
9
21
1
18
11
1
14
14
3
94
164
6

Highest AQI recorded in

April

71AQI

Lowest AQI recorded in

August

48AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2021(Avg.)
64AQI
Least Polluted Year Recorded
2024(Avg.)
58AQI

Daesan Ri's annual 2025 AQI (62) shows an average percentage change of 2.1% (worsened AQI) compared to previous years: 2020 (59), 2021 (64), 2022 (59), 2023 (62), 2024 (58).