Seongyeon Myeon, 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
Seongyeon Myeon, Sosan, Chungnam, South Korea
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
12th Aug 2021
95AQILowest AQI recorded on
21st Aug 2024
24AQISame Day Analysis (9th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 52 of Moderate air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 10th Aug - 11th Aug 2025
Seongyeon Myeon, Sosan, Chungnam, South Korea
AQI
Day
Night
.
5 AM10th Aug 2025
7 PM
4 AM11th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
10AM10th Aug
59AQI
Avg. Lowest Time
3PM10th Aug
40AQI
In the last 24 hours,
Seongyeon Myeon's AQI reached its highest point of 59 at 10 AM during the Night, while the lowest point, 40, was recorded at 3 PM during the Night between 10th Aug and 11th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Seongyeon Myeon, 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 2025576 AMAQI
12th Jul 2025587 AMAQI
12th Jul 2025588 AMAQI
12th Jul 2025409 AMAQI
12th Jul 20253610 AMAQI
12th Jul 20253811 AMAQI
12th Jul 20254012 PMAQI
12th Jul 2025501 PMAQI
12th Jul 2025502 PMAQI
12th Jul 2025493 PMAQI
12th Jul 2025494 PMAQI
12th Jul 2025535 PMAQI
12th Jul 2025526 PMAQI
12th Jul 2025547 PMAQI
12th Jul 2025568 PMAQI
12th Jul 2025589 PMAQI
12th Jul 20255810 PMAQI
12th Jul 20255811 PMAQI
13th Jul 20255812 AMAQI
13th Jul 2025581 AMAQI
13th Jul 2025582 AMAQI
13th Jul 2025583 AMAQI
13th Jul 2025584 AMAQI
26°C20/32°C
13th Jul 2025575 AMAQI
13th Jul 2025576 AMAQI
13th Jul 2025587 AMAQI
13th Jul 2025588 AMAQI
13th Jul 2025609 AMAQI
13th Jul 20256710 AMAQI
13th Jul 20258011 AMAQI
13th Jul 20257912 PMAQI
13th Jul 2025671 PMAQI
13th Jul 2025642 PMAQI
13th Jul 2025623 PMAQI
13th Jul 2025644 PMAQI
13th Jul 2025645 PMAQI
13th Jul 2025666 PMAQI
13th Jul 2025607 PMAQI
13th Jul 2025608 PMAQI
13th Jul 2025609 PMAQI
13th Jul 20255910 PMAQI
13th Jul 20255811 PMAQI
14th Jul 20255912 AMAQI
14th Jul 2025581 AMAQI
14th Jul 2025572 AMAQI
14th Jul 2025583 AMAQI
14th Jul 2025584 AMAQI
23°C21/25°C
14th Jul 2025585 AMAQI
14th Jul 2025586 AMAQI
14th Jul 2025587 AMAQI
14th Jul 2025588 AMAQI
14th Jul 2025609 AMAQI
14th Jul 20256210 AMAQI
14th Jul 20257211 AMAQI
14th Jul 20257612 PMAQI
14th Jul 2025681 PMAQI
14th Jul 2025662 PMAQI
14th Jul 2025643 PMAQI
14th Jul 2025624 PMAQI
14th Jul 2025635 PMAQI
14th Jul 2025606 PMAQI
14th Jul 2025507 PMAQI
14th Jul 2025428 PMAQI
14th Jul 2025549 PMAQI
14th Jul 20255410 PMAQI
14th Jul 20255411 PMAQI
15th Jul 20255412 AMAQI
15th Jul 2025571 AMAQI
15th Jul 2025592 AMAQI
15th Jul 2025593 AMAQI
15th Jul 2025594 AMAQI
23°C20/28°C
15th Jul 2025595 AMAQI
15th Jul 2025596 AMAQI
15th Jul 2025597 AMAQI
15th Jul 2025608 AMAQI
15th Jul 2025309 AMAQI
15th Jul 20252110 AMAQI
15th Jul 20251811 AMAQI
15th Jul 20252512 PMAQI
15th Jul 2025301 PMAQI
15th Jul 2025322 PMAQI
15th Jul 2025343 PMAQI
15th Jul 2025324 PMAQI
15th Jul 2025425 PMAQI
15th Jul 2025546 PMAQI
15th Jul 2025547 PMAQI
15th Jul 2025528 PMAQI
15th Jul 2025549 PMAQI
15th Jul 20255410 PMAQI
15th Jul 20255411 PMAQI
16th Jul 20255512 AMAQI
16th Jul 2025571 AMAQI
16th Jul 2025572 AMAQI
16th Jul 2025573 AMAQI
16th Jul 2025564 AMAQI
22°C19/26°C
16th Jul 2025555 AMAQI
16th Jul 2025556 AMAQI
16th Jul 2025557 AMAQI
16th Jul 2025558 AMAQI
16th Jul 2025559 AMAQI
16th Jul 20255210 AMAQI
16th Jul 20255011 AMAQI
16th Jul 20255012 PMAQI
16th Jul 2025531 PMAQI
16th Jul 2025542 PMAQI
16th Jul 2025523 PMAQI
16th Jul 2025514 PMAQI
16th Jul 2025505 PMAQI
16th Jul 2025446 PMAQI
16th Jul 2025447 PMAQI
16th Jul 2025458 PMAQI
16th Jul 2025549 PMAQI
16th Jul 20255410 PMAQI
16th Jul 20255411 PMAQI
17th Jul 20255412 AMAQI
17th Jul 2025561 AMAQI
17th Jul 2025562 AMAQI
17th Jul 2025553 AMAQI
17th Jul 2025554 AMAQI
22°C21/23°C
17th Jul 2025565 AMAQI
17th Jul 2025556 AMAQI
17th Jul 2025557 AMAQI
17th Jul 2025558 AMAQI
17th Jul 2025339 AMAQI
17th Jul 20253810 AMAQI
17th Jul 20254011 AMAQI
17th Jul 20253612 PMAQI
17th Jul 2025311 PMAQI
17th Jul 2025292 PMAQI
17th Jul 2025303 PMAQI
17th Jul 2025354 PMAQI
17th Jul 2025375 PMAQI
17th Jul 2025366 PMAQI
17th Jul 2025437 PMAQI
17th Jul 2025418 PMAQI
17th Jul 2025519 PMAQI
17th Jul 20255110 PMAQI
17th Jul 20255011 PMAQI
18th Jul 20255112 AMAQI
18th Jul 2025541 AMAQI
18th Jul 2025562 AMAQI
18th Jul 2025563 AMAQI
18th Jul 2025544 AMAQI
24°C23/26°C
18th Jul 2025545 AMAQI
18th Jul 2025546 AMAQI
18th Jul 2025547 AMAQI
18th Jul 2025548 AMAQI
18th Jul 2025369 AMAQI
18th Jul 20252610 AMAQI
18th Jul 20253111 AMAQI
18th Jul 20253612 PMAQI
18th Jul 2025401 PMAQI
18th Jul 2025402 PMAQI
18th Jul 2025443 PMAQI
18th Jul 2025434 PMAQI
18th Jul 2025475 PMAQI
18th Jul 2025436 PMAQI
18th Jul 2025447 PMAQI
18th Jul 2025498 PMAQI
18th Jul 2025529 PMAQI
18th Jul 20255210 PMAQI
18th Jul 20255211 PMAQI
19th Jul 20255212 AMAQI
19th Jul 2025521 AMAQI
19th Jul 2025542 AMAQI
19th Jul 2025543 AMAQI
19th Jul 2025544 AMAQI
24°C23/26°C
19th Jul 2025525 AMAQI
19th Jul 2025526 AMAQI
19th Jul 2025527 AMAQI
19th Jul 2025528 AMAQI
19th Jul 2025249 AMAQI
19th Jul 20251810 AMAQI
19th Jul 20251811 AMAQI
19th Jul 20251912 PMAQI
19th Jul 2025211 PMAQI
19th Jul 2025232 PMAQI
19th Jul 2025243 PMAQI
19th Jul 2025304 PMAQI
19th Jul 2025325 PMAQI
19th Jul 2025286 PMAQI
19th Jul 2025307 PMAQI
19th Jul 2025388 PMAQI
19th Jul 2025479 PMAQI
19th Jul 20254910 PMAQI
19th Jul 20254811 PMAQI
20th Jul 20254612 AMAQI
20th Jul 2025541 AMAQI
20th Jul 2025532 AMAQI
20th Jul 2025533 AMAQI
20th Jul 2025524 AMAQI
25°C22/27°C
20th Jul 2025505 AMAQI
20th Jul 2025516 AMAQI
20th Jul 2025507 AMAQI
20th Jul 2025508 AMAQI
20th Jul 2025429 AMAQI
20th Jul 20254010 AMAQI
20th Jul 20254011 AMAQI
20th Jul 20254112 PMAQI
20th Jul 2025401 PMAQI
20th Jul 2025432 PMAQI
20th Jul 2025463 PMAQI
20th Jul 2025444 PMAQI
20th Jul 2025475 PMAQI
20th Jul 2025476 PMAQI
20th Jul 2025507 PMAQI
20th Jul 2025528 PMAQI
20th Jul 2025539 PMAQI
20th Jul 20255210 PMAQI
20th Jul 20255311 PMAQI
21st Jul 20255312 AMAQI
21st Jul 2025531 AMAQI
21st Jul 2025522 AMAQI
21st Jul 2025523 AMAQI
21st Jul 2025524 AMAQI
26°C23/29°C
21st Jul 2025525 AMAQI
21st Jul 2025516 AMAQI
21st Jul 2025527 AMAQI
21st Jul 2025528 AMAQI
21st Jul 2025509 AMAQI
21st Jul 20255310 AMAQI
21st Jul 20255211 AMAQI
21st Jul 20254912 PMAQI
21st Jul 2025351 PMAQI
21st Jul 2025312 PMAQI
21st Jul 2025283 PMAQI
21st Jul 2025304 PMAQI
21st Jul 2025325 PMAQI
21st Jul 2025306 PMAQI
21st Jul 2025267 PMAQI
21st Jul 2025348 PMAQI
21st Jul 2025429 PMAQI
21st Jul 20254210 PMAQI
21st Jul 20254211 PMAQI
22nd Jul 20254212 AMAQI
22nd Jul 2025511 AMAQI
22nd Jul 2025522 AMAQI
22nd Jul 2025523 AMAQI
22nd Jul 2025524 AMAQI
26°C23/29°C
22nd Jul 2025525 AMAQI
22nd Jul 2025516 AMAQI
22nd Jul 2025527 AMAQI
22nd Jul 2025518 AMAQI
22nd Jul 2025359 AMAQI
22nd Jul 20253410 AMAQI
22nd Jul 20253611 AMAQI
22nd Jul 20254012 PMAQI
22nd Jul 2025421 PMAQI
22nd Jul 2025442 PMAQI
22nd Jul 2025393 PMAQI
22nd Jul 2025364 PMAQI
22nd Jul 2025375 PMAQI
22nd Jul 2025336 PMAQI
22nd Jul 2025367 PMAQI
22nd Jul 2025398 PMAQI
22nd Jul 2025449 PMAQI
22nd Jul 20254410 PMAQI
22nd Jul 20254611 PMAQI
23rd Jul 20254312 AMAQI
23rd Jul 2025421 AMAQI
23rd Jul 2025442 AMAQI
23rd Jul 2025523 AMAQI
23rd Jul 2025504 AMAQI
26°C23/29°C
23rd Jul 2025485 AMAQI
23rd Jul 2025486 AMAQI
23rd Jul 2025487 AMAQI
23rd Jul 2025488 AMAQI
23rd Jul 2025509 AMAQI
23rd Jul 20254410 AMAQI
23rd Jul 20255311 AMAQI
23rd Jul 20255612 PMAQI
23rd Jul 2025591 PMAQI
23rd Jul 2025582 PMAQI
23rd Jul 2025573 PMAQI
23rd Jul 2025564 PMAQI
23rd Jul 2025565 PMAQI
23rd Jul 2025576 PMAQI
23rd Jul 2025567 PMAQI
23rd Jul 2025428 PMAQI
23rd Jul 2025439 PMAQI
23rd Jul 20254410 PMAQI
23rd Jul 20254611 PMAQI
24th Jul 20254712 AMAQI
24th Jul 2025481 AMAQI
24th Jul 2025482 AMAQI
24th Jul 2025483 AMAQI
24th Jul 2025494 AMAQI
26°C23/30°C
24th Jul 2025505 AMAQI
24th Jul 2025506 AMAQI
24th Jul 2025507 AMAQI
24th Jul 2025508 AMAQI
24th Jul 2025469 AMAQI
24th Jul 20255410 AMAQI
24th Jul 20255311 AMAQI
24th Jul 20255612 PMAQI
24th Jul 2025561 PMAQI
24th Jul 2025582 PMAQI
24th Jul 2025603 PMAQI
24th Jul 2025584 PMAQI
24th Jul 2025605 PMAQI
24th Jul 2025666 PMAQI
24th Jul 2025667 PMAQI
24th Jul 2025628 PMAQI
24th Jul 2025599 PMAQI
24th Jul 20255810 PMAQI
24th Jul 20255611 PMAQI
25th Jul 20255712 AMAQI
25th Jul 2025571 AMAQI
25th Jul 2025522 AMAQI
25th Jul 2025503 AMAQI
25th Jul 2025504 AMAQI
26°C22/32°C
25th Jul 2025525 AMAQI
25th Jul 2025526 AMAQI
25th Jul 2025527 AMAQI
25th Jul 2025528 AMAQI
25th Jul 2025669 AMAQI
25th Jul 20257610 AMAQI
25th Jul 20258211 AMAQI
25th Jul 20258412 PMAQI
25th Jul 2025761 PMAQI
25th Jul 2025742 PMAQI
25th Jul 2025863 PMAQI
25th Jul 2025814 PMAQI
25th Jul 2025925 PMAQI
25th Jul 2025846 PMAQI
25th Jul 2025877 PMAQI
25th Jul 2025818 PMAQI
25th Jul 2025689 PMAQI
25th Jul 20257010 PMAQI
25th Jul 20257111 PMAQI
26th Jul 20256812 AMAQI
26th Jul 2025531 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025523 AMAQI
26th Jul 2025544 AMAQI
28°C23/34°C
26th Jul 2025585 AMAQI
26th Jul 2025586 AMAQI
26th Jul 2025587 AMAQI
26th Jul 2025588 AMAQI
26th Jul 2025649 AMAQI
26th Jul 20255910 AMAQI
26th Jul 20255811 AMAQI
26th Jul 20256212 PMAQI
26th Jul 2025591 PMAQI
26th Jul 2025522 PMAQI
26th Jul 2025573 PMAQI
26th Jul 2025644 PMAQI
26th Jul 2025685 PMAQI
26th Jul 2025746 PMAQI
26th Jul 2025917 PMAQI
26th Jul 2025788 PMAQI
26th Jul 2025719 PMAQI
26th Jul 20257010 PMAQI
26th Jul 20257011 PMAQI
27th Jul 20256812 AMAQI
27th Jul 2025561 AMAQI
27th Jul 2025562 AMAQI
27th Jul 2025563 AMAQI
27th Jul 2025564 AMAQI
28°C24/33°C
27th Jul 2025565 AMAQI
27th Jul 2025576 AMAQI
27th Jul 2025567 AMAQI
27th Jul 2025568 AMAQI
27th Jul 2025589 AMAQI
27th Jul 20255610 AMAQI
27th Jul 20255411 AMAQI
27th Jul 20255412 PMAQI
27th Jul 2025501 PMAQI
27th Jul 2025512 PMAQI
27th Jul 2025503 PMAQI
27th Jul 2025404 PMAQI
27th Jul 2025445 PMAQI
27th Jul 2025476 PMAQI
27th Jul 2025507 PMAQI
27th Jul 2025528 PMAQI
27th Jul 2025569 PMAQI
27th Jul 20255810 PMAQI
27th Jul 20256011 PMAQI
28th Jul 20256012 AMAQI
28th Jul 2025561 AMAQI
28th Jul 2025582 AMAQI
28th Jul 2025573 AMAQI
28th Jul 2025574 AMAQI
29°C25/34°C
28th Jul 2025565 AMAQI
28th Jul 2025566 AMAQI
28th Jul 2025567 AMAQI
28th Jul 2025568 AMAQI
28th Jul 2025689 AMAQI
28th Jul 20256910 AMAQI
28th Jul 20257011 AMAQI
28th Jul 20256912 PMAQI
28th Jul 2025681 PMAQI
28th Jul 2025602 PMAQI
28th Jul 2025653 PMAQI
28th Jul 2025614 PMAQI
28th Jul 2025605 PMAQI
28th Jul 2025606 PMAQI
28th Jul 2025587 PMAQI
28th Jul 2025558 PMAQI
28th Jul 2025569 PMAQI
28th Jul 20255710 PMAQI
28th Jul 20255811 PMAQI
29th Jul 20255612 AMAQI
29th Jul 2025581 AMAQI
29th Jul 2025562 AMAQI
29th Jul 2025573 AMAQI
29th Jul 2025574 AMAQI
28°C24/32°C
29th Jul 2025585 AMAQI
29th Jul 2025596 AMAQI
29th Jul 2025597 AMAQI
29th Jul 2025598 AMAQI
29th Jul 2025679 AMAQI
29th Jul 20256810 AMAQI
29th Jul 20257011 AMAQI
29th Jul 20257012 PMAQI
29th Jul 2025741 PMAQI
29th Jul 2025732 PMAQI
29th Jul 2025703 PMAQI
29th Jul 2025704 PMAQI
29th Jul 2025755 PMAQI
29th Jul 2025726 PMAQI
29th Jul 2025747 PMAQI
29th Jul 2025688 PMAQI
29th Jul 2025589 PMAQI
29th Jul 20255810 PMAQI
29th Jul 20256211 PMAQI
30th Jul 20256512 AMAQI
30th Jul 2025581 AMAQI
30th Jul 2025582 AMAQI
30th Jul 2025573 AMAQI
30th Jul 2025584 AMAQI
28°C24/32°C
30th Jul 2025605 AMAQI
30th Jul 2025606 AMAQI
30th Jul 2025607 AMAQI
30th Jul 2025618 AMAQI
30th Jul 2025799 AMAQI
30th Jul 20258010 AMAQI
30th Jul 20258011 AMAQI
30th Jul 20257512 PMAQI
30th Jul 2025671 PMAQI
30th Jul 2025792 PMAQI
30th Jul 2025863 PMAQI
30th Jul 2025974 PMAQI
30th Jul 2025945 PMAQI
30th Jul 2025906 PMAQI
30th Jul 2025827 PMAQI
30th Jul 2025688 PMAQI
30th Jul 2025709 PMAQI
30th Jul 20256810 PMAQI
30th Jul 20256911 PMAQI
31st Jul 20256612 AMAQI
31st Jul 2025611 AMAQI
31st Jul 2025602 AMAQI
31st Jul 2025603 AMAQI
31st Jul 2025604 AMAQI
28°C24/33°C
31st Jul 2025605 AMAQI
31st Jul 2025606 AMAQI
31st Jul 2025607 AMAQI
31st Jul 2025608 AMAQI
31st Jul 2025609 AMAQI
31st Jul 20256010 AMAQI
31st Jul 20256711 AMAQI
31st Jul 20256212 PMAQI
31st Jul 2025581 PMAQI
31st Jul 2025562 PMAQI
31st Jul 2025593 PMAQI
31st Jul 2025634 PMAQI
31st Jul 2025635 PMAQI
31st Jul 2025636 PMAQI
31st Jul 2025717 PMAQI
31st Jul 2025628 PMAQI
31st Jul 2025559 PMAQI
31st Jul 20255510 PMAQI
31st Jul 20255411 PMAQI
1st Aug 20255412 AMAQI
1st Aug 2025531 AMAQI
1st Aug 2025522 AMAQI
1st Aug 2025533 AMAQI
1st Aug 2025564 AMAQI
27°C24/32°C
1st Aug 2025555 AMAQI
1st Aug 2025566 AMAQI
1st Aug 2025567 AMAQI
1st Aug 2025558 AMAQI
1st Aug 2025609 AMAQI
1st Aug 20256410 AMAQI
1st Aug 20255711 AMAQI
1st Aug 20255812 PMAQI
1st Aug 2025551 PMAQI
1st Aug 2025662 PMAQI
1st Aug 2025663 PMAQI
1st Aug 2025594 PMAQI
1st Aug 2025675 PMAQI
1st Aug 2025636 PMAQI
1st Aug 2025627 PMAQI
1st Aug 2025628 PMAQI
1st Aug 2025599 PMAQI
1st Aug 20255810 PMAQI
1st Aug 20255711 PMAQI
2nd Aug 20255812 AMAQI
2nd Aug 2025541 AMAQI
2nd Aug 2025552 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025544 AMAQI
27°C23/31°C
2nd Aug 2025545 AMAQI
2nd Aug 2025556 AMAQI
2nd Aug 2025567 AMAQI
2nd Aug 2025558 AMAQI
2nd Aug 2025749 AMAQI
2nd Aug 20257910 AMAQI
2nd Aug 20257411 AMAQI
2nd Aug 20258312 PMAQI
2nd Aug 2025781 PMAQI
2nd Aug 2025722 PMAQI
2nd Aug 2025683 PMAQI
2nd Aug 2025704 PMAQI
2nd Aug 2025645 PMAQI
2nd Aug 2025696 PMAQI
2nd Aug 2025677 PMAQI
2nd Aug 2025608 PMAQI
2nd Aug 2025609 PMAQI
2nd Aug 20256010 PMAQI
2nd Aug 20256211 PMAQI
3rd Aug 20255712 AMAQI
3rd Aug 2025541 AMAQI
3rd Aug 2025552 AMAQI
3rd Aug 2025553 AMAQI
3rd Aug 2025574 AMAQI
27°C24/32°C
3rd Aug 2025585 AMAQI
3rd Aug 2025586 AMAQI
3rd Aug 2025587 AMAQI
3rd Aug 2025598 AMAQI
3rd Aug 2025659 AMAQI
3rd Aug 20257410 AMAQI
3rd Aug 20256511 AMAQI
3rd Aug 20256812 PMAQI
3rd Aug 2025701 PMAQI
3rd Aug 2025702 PMAQI
3rd Aug 2025663 PMAQI
3rd Aug 2025664 PMAQI
3rd Aug 2025645 PMAQI
3rd Aug 2025666 PMAQI
3rd Aug 2025607 PMAQI
3rd Aug 2025548 PMAQI
3rd Aug 2025609 PMAQI
3rd Aug 20255910 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
25°C23/27°C
4th Aug 2025585 AMAQI
4th Aug 2025586 AMAQI
4th Aug 2025597 AMAQI
4th Aug 2025588 AMAQI
4th Aug 2025429 AMAQI
4th Aug 20254610 AMAQI
4th Aug 20255111 AMAQI
4th Aug 20255012 PMAQI
4th Aug 2025501 PMAQI
4th Aug 2025482 PMAQI
4th Aug 2025463 PMAQI
4th Aug 2025504 PMAQI
4th Aug 2025525 PMAQI
4th Aug 2025566 PMAQI
4th Aug 2025597 PMAQI
4th Aug 2025568 PMAQI
4th Aug 2025569 PMAQI
4th Aug 20255610 PMAQI
4th Aug 20255611 PMAQI
5th Aug 20255512 AMAQI
5th Aug 2025561 AMAQI
5th Aug 2025562 AMAQI
5th Aug 2025563 AMAQI
5th Aug 2025554 AMAQI
25°C23/29°C
5th Aug 2025565 AMAQI
5th Aug 2025566 AMAQI
5th Aug 2025567 AMAQI
5th Aug 2025558 AMAQI
5th Aug 2025509 AMAQI
5th Aug 20255610 AMAQI
5th Aug 20255611 AMAQI
5th Aug 20255212 PMAQI
5th Aug 2025541 PMAQI
5th Aug 2025542 PMAQI
5th Aug 2025503 PMAQI
5th Aug 2025434 PMAQI
5th Aug 2025475 PMAQI
5th Aug 2025466 PMAQI
5th Aug 2025437 PMAQI
5th Aug 2025498 PMAQI
5th Aug 2025489 PMAQI
5th Aug 20255210 PMAQI
5th Aug 20255311 PMAQI
6th Aug 20255312 AMAQI
6th Aug 2025541 AMAQI
6th Aug 2025542 AMAQI
6th Aug 2025553 AMAQI
6th Aug 2025554 AMAQI
26°C23/29°C
6th Aug 2025555 AMAQI
6th Aug 2025556 AMAQI
6th Aug 2025557 AMAQI
6th Aug 2025558 AMAQI
6th Aug 2025379 AMAQI
6th Aug 20253910 AMAQI
6th Aug 20254011 AMAQI
6th Aug 20254512 PMAQI
6th Aug 2025491 PMAQI
6th Aug 2025542 PMAQI
6th Aug 2025533 PMAQI
6th Aug 2025504 PMAQI
6th Aug 2025545 PMAQI
6th Aug 2025506 PMAQI
6th Aug 2025567 PMAQI
6th Aug 2025538 PMAQI
6th Aug 2025529 PMAQI
6th Aug 20255310 PMAQI
6th Aug 20255311 PMAQI
7th Aug 20255212 AMAQI
7th Aug 2025541 AMAQI
7th Aug 2025532 AMAQI
7th Aug 2025533 AMAQI
7th Aug 2025544 AMAQI
26°C24/30°C
7th Aug 2025535 AMAQI
7th Aug 2025536 AMAQI
7th Aug 2025537 AMAQI
7th Aug 2025538 AMAQI
7th Aug 2025439 AMAQI
7th Aug 20255110 AMAQI
7th Aug 20255311 AMAQI
7th Aug 20255012 PMAQI
7th Aug 2025551 PMAQI
7th Aug 2025432 PMAQI
7th Aug 2025293 PMAQI
7th Aug 2025314 PMAQI
7th Aug 2025335 PMAQI
7th Aug 2025346 PMAQI
7th Aug 2025317 PMAQI
7th Aug 2025338 PMAQI
7th Aug 2025459 PMAQI
7th Aug 20255210 PMAQI
7th Aug 20253911 PMAQI
8th Aug 20254312 AMAQI
8th Aug 2025531 AMAQI
8th Aug 2025522 AMAQI
8th Aug 2025533 AMAQI
8th Aug 2025534 AMAQI
25°C22/28°C
8th Aug 2025525 AMAQI
8th Aug 2025536 AMAQI
8th Aug 2025537 AMAQI
8th Aug 2025528 AMAQI
8th Aug 2025579 AMAQI
8th Aug 20256010 AMAQI
8th Aug 20256111 AMAQI
8th Aug 20256212 PMAQI
8th Aug 2025661 PMAQI
8th Aug 2025652 PMAQI
8th Aug 2025563 PMAQI
8th Aug 2025524 PMAQI
8th Aug 2025585 PMAQI
8th Aug 2025656 PMAQI
8th Aug 2025587 PMAQI
8th Aug 2025428 PMAQI
8th Aug 2025449 PMAQI
8th Aug 20255210 PMAQI
8th Aug 20255711 PMAQI
9th Aug 20256012 AMAQI
9th Aug 2025521 AMAQI
9th Aug 2025522 AMAQI
9th Aug 2025523 AMAQI
9th Aug 2025524 AMAQI
24°C21/28°C
9th Aug 2025545 AMAQI
9th Aug 2025546 AMAQI
9th Aug 2025547 AMAQI
9th Aug 2025548 AMAQI
9th Aug 2025589 AMAQI
9th Aug 20255810 AMAQI
9th Aug 20255411 AMAQI
9th Aug 20255512 PMAQI
9th Aug 2025561 PMAQI
9th Aug 2025562 PMAQI
9th Aug 2025383 PMAQI
9th Aug 2025344 PMAQI
9th Aug 2025325 PMAQI
9th Aug 2025376 PMAQI
9th Aug 2025537 PMAQI
9th Aug 2025518 PMAQI
9th Aug 2025489 PMAQI
9th Aug 20255210 PMAQI
9th Aug 20255411 PMAQI
10th Aug 20255412 AMAQI
10th Aug 2025531 AMAQI
10th Aug 2025542 AMAQI
10th Aug 2025543 AMAQI
10th Aug 2025544 AMAQI
23°C21/25°C
10th Aug 2025545 AMAQI
10th Aug 2025546 AMAQI
10th Aug 2025547 AMAQI
10th Aug 2025548 AMAQI
10th Aug 2025579 AMAQI
10th Aug 20255910 AMAQI
10th Aug 20255611 AMAQI
10th Aug 20255612 PMAQI
10th Aug 2025401 PMAQI
10th Aug 2025412 PMAQI
10th Aug 2025403 PMAQI
10th Aug 2025544 PMAQI
10th Aug 2025585 PMAQI
10th Aug 2025546 PMAQI
10th Aug 2025507 PMAQI
10th Aug 2025538 PMAQI
10th Aug 2025549 PMAQI
10th Aug 20255310 PMAQI
10th Aug 20255411 PMAQI
11th Aug 20255512 AMAQI
11th Aug 2025541 AMAQI
11th Aug 2025542 AMAQI
11th Aug 2025543 AMAQI
11th Aug 2025544 AMAQI
--°C/°C
5 AM
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 7 PM
54AQI
15 hours / Day
450 hours / Month
Avg. Lowest Time
9 AM - 7 PM
54AQI
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. 54), while the lowest AQI was between 9 AM to 7 PM (Avg. 54).
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
Seongyeon Myeon, Sosan, Chungnam, South Korea
2025
19%
41
76%
169
5%
11
Total number of days with different AQI categories in last 222 days in 2025 (143 days remaining)
Good
41 DaysModerate
169 DaysPoor
11 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
Seongyeon Myeon, 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
76AQI
76AQI
2nd January 2025
53AQI
53AQI
3rd January 2025
59AQI
59AQI
4th January 2025
58AQI
58AQI
5th January 2025
62AQI
62AQI
6th January 2025
68AQI
68AQI
7th January 2025
52AQI
52AQI
8th January 2025
57AQI
57AQI
9th January 2025
40AQI
40AQI
10th January 2025
57AQI
57AQI
11th January 2025
55AQI
55AQI
12th January 2025
76AQI
76AQI
13th January 2025
80AQI
80AQI
14th January 2025
90AQI
90AQI
15th January 2025
52AQI
52AQI
16th January 2025
72AQI
72AQI
17th January 2025
63AQI
63AQI
18th January 2025
73AQI
73AQI
19th January 2025
68AQI
68AQI
20th January 2025
120AQI
120AQI
21st January 2025
117AQI
117AQI
22nd January 2025
121AQI
121AQI
23rd January 2025
94AQI
94AQI
24th January 2025
113AQI
113AQI
25th January 2025
77AQI
77AQI
26th January 2025
66AQI
66AQI
27th January 2025
61AQI
61AQI
28th January 2025
57AQI
57AQI
29th January 2025
56AQI
56AQI
30th January 2025
60AQI
60AQI
31st January 2025
80AQI
80AQI
1st February 2025
89AQI
89AQI
2nd February 2025
97AQI
97AQI
3rd February 2025
56AQI
56AQI
4th February 2025
54AQI
54AQI
5th February 2025
47AQI
47AQI
6th February 2025
56AQI
56AQI
7th February 2025
42AQI
42AQI
8th February 2025
45AQI
45AQI
9th February 2025
47AQI
47AQI
10th February 2025
59AQI
59AQI
11th February 2025
85AQI
85AQI
12th February 2025
64AQI
64AQI
13th February 2025
59AQI
59AQI
14th February 2025
85AQI
85AQI
15th February 2025
63AQI
63AQI
16th February 2025
110AQI
110AQI
17th February 2025
54AQI
54AQI
18th February 2025
62AQI
62AQI
19th February 2025
49AQI
49AQI
20th February 2025
59AQI
59AQI
21st February 2025
57AQI
57AQI
22nd February 2025
56AQI
56AQI
23rd February 2025
54AQI
54AQI
24th February 2025
56AQI
56AQI
25th February 2025
57AQI
57AQI
26th February 2025
66AQI
66AQI
27th February 2025
62AQI
62AQI
28th February 2025
74AQI
74AQI
1st March 2025
90AQI
90AQI
2nd March 2025
82AQI
82AQI
3rd March 2025
56AQI
56AQI
4th March 2025
50AQI
50AQI
5th March 2025
43AQI
43AQI
6th March 2025
82AQI
82AQI
7th March 2025
83AQI
83AQI
8th March 2025
86AQI
86AQI
9th March 2025
105AQI
105AQI
10th March 2025
104AQI
104AQI
11th March 2025
100AQI
100AQI
12th March 2025
93AQI
93AQI
13th March 2025
81AQI
81AQI
14th March 2025
81AQI
81AQI
15th March 2025
63AQI
63AQI
16th March 2025
69AQI
69AQI
17th March 2025
68AQI
68AQI
18th March 2025
83AQI
83AQI
19th March 2025
88AQI
88AQI
20th March 2025
96AQI
96AQI
21st March 2025
90AQI
90AQI
22nd March 2025
109AQI
109AQI
23rd March 2025
114AQI
114AQI
24th March 2025
110AQI
110AQI
25th March 2025
123AQI
123AQI
26th March 2025
92AQI
92AQI
27th March 2025
88AQI
88AQI
28th March 2025
64AQI
64AQI
29th March 2025
54AQI
54AQI
30th March 2025
57AQI
57AQI
31st March 2025
65AQI
65AQI
1st April 2025
66AQI
66AQI
2nd April 2025
77AQI
77AQI
3rd April 2025
87AQI
87AQI
4th April 2025
79AQI
79AQI
5th April 2025
73AQI
73AQI
6th April 2025
66AQI
66AQI
7th April 2025
67AQI
67AQI
8th April 2025
71AQI
71AQI
9th April 2025
64AQI
64AQI
10th April 2025
73AQI
73AQI
11th April 2025
76AQI
76AQI
12th April 2025
57AQI
57AQI
13th April 2025
62AQI
62AQI
14th April 2025
47AQI
47AQI
15th April 2025
60AQI
60AQI
16th April 2025
59AQI
59AQI
17th April 2025
65AQI
65AQI
18th April 2025
70AQI
70AQI
19th April 2025
43AQI
43AQI
20th April 2025
66AQI
66AQI
21st April 2025
58AQI
58AQI
22nd April 2025
46AQI
46AQI
23rd April 2025
46AQI
46AQI
24th April 2025
62AQI
62AQI
25th April 2025
56AQI
56AQI
26th April 2025
45AQI
45AQI
27th April 2025
40AQI
40AQI
28th April 2025
57AQI
57AQI
29th April 2025
67AQI
67AQI
30th April 2025
59AQI
59AQI
1st May 2025
61AQI
61AQI
2nd May 2025
52AQI
52AQI
3rd May 2025
50AQI
50AQI
4th May 2025
43AQI
43AQI
5th May 2025
50AQI
50AQI
6th May 2025
48AQI
48AQI
7th May 2025
50AQI
50AQI
8th May 2025
60AQI
60AQI
9th May 2025
51AQI
51AQI
10th May 2025
61AQI
61AQI
11th May 2025
67AQI
67AQI
12th May 2025
68AQI
68AQI
13th May 2025
73AQI
73AQI
14th May 2025
69AQI
69AQI
15th May 2025
57AQI
57AQI
16th May 2025
46AQI
46AQI
17th May 2025
42AQI
42AQI
18th May 2025
55AQI
55AQI
19th May 2025
59AQI
59AQI
20th May 2025
39AQI
39AQI
21st May 2025
43AQI
43AQI
22nd May 2025
45AQI
45AQI
23rd May 2025
59AQI
59AQI
24th May 2025
55AQI
55AQI
25th May 2025
47AQI
47AQI
26th May 2025
66AQI
66AQI
27th May 2025
65AQI
65AQI
28th May 2025
68AQI
68AQI
29th May 2025
74AQI
74AQI
30th May 2025
83AQI
83AQI
31st May 2025
84AQI
84AQI
1st June 2025
78AQI
78AQI
2nd June 2025
84AQI
84AQI
3rd June 2025
66AQI
66AQI
4th June 2025
56AQI
56AQI
5th June 2025
52AQI
52AQI
6th June 2025
57AQI
57AQI
7th June 2025
64AQI
64AQI
8th June 2025
57AQI
57AQI
9th June 2025
56AQI
56AQI
10th June 2025
52AQI
52AQI
11th June 2025
52AQI
52AQI
12th June 2025
61AQI
61AQI
13th June 2025
66AQI
66AQI
14th June 2025
60AQI
60AQI
15th June 2025
52AQI
52AQI
16th June 2025
55AQI
55AQI
17th June 2025
57AQI
57AQI
18th June 2025
60AQI
60AQI
19th June 2025
60AQI
60AQI
20th June 2025
50AQI
50AQI
21st June 2025
53AQI
53AQI
22nd June 2025
52AQI
52AQI
23rd June 2025
58AQI
58AQI
24th June 2025
59AQI
59AQI
25th June 2025
50AQI
50AQI
26th June 2025
52AQI
52AQI
27th June 2025
62AQI
62AQI
28th June 2025
56AQI
56AQI
29th June 2025
50AQI
50AQI
30th June 2025
49AQI
49AQI
1st July 2025
47AQI
47AQI
2nd July 2025
51AQI
51AQI
3rd July 2025
53AQI
53AQI
4th July 2025
52AQI
52AQI
5th July 2025
50AQI
50AQI
6th July 2025
50AQI
50AQI
7th July 2025
55AQI
55AQI
8th July 2025
63AQI
63AQI
9th July 2025
56AQI
56AQI
10th July 2025
54AQI
54AQI
11th July 2025
55AQI
55AQI
12th July 2025
54AQI
54AQI
13th July 2025
61AQI
61AQI
14th July 2025
59AQI
59AQI
15th July 2025
49AQI
49AQI
16th July 2025
53AQI
53AQI
17th July 2025
47AQI
47AQI
18th July 2025
48AQI
48AQI
19th July 2025
40AQI
40AQI
20th July 2025
49AQI
49AQI
21st July 2025
43AQI
43AQI
22nd July 2025
44AQI
44AQI
23rd July 2025
50AQI
50AQI
24th July 2025
55AQI
55AQI
25th July 2025
69AQI
69AQI
26th July 2025
64AQI
64AQI
27th July 2025
54AQI
54AQI
28th July 2025
60AQI
60AQI
29th July 2025
64AQI
64AQI
30th July 2025
71AQI
71AQI
31st July 2025
61AQI
61AQI
1st August 2025
58AQI
58AQI
2nd August 2025
63AQI
63AQI
3rd August 2025
61AQI
61AQI
4th August 2025
54AQI
54AQI
5th August 2025
52AQI
52AQI
6th August 2025
52AQI
52AQI
7th August 2025
46AQI
46AQI
8th August 2025
55AQI
55AQI
9th August 2025
52AQI
52AQI
72AQI
63AQI
83AQI
62AQI
58AQI
58AQI
54AQI
55AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202564AQI
1
26
4
5
22
1
2
23
6
6
24
11
20
4
26
11
20
1
8
41
169
11
Highest AQI recorded in
March83AQI
Lowest AQI recorded in
July54AQI
202459AQI
11
15
5
10
15
4
4
23
3
1
1
28
1
7
24
5
24
23
8
14
17
22
8
15
16
12
18
7
24
131
220
13
1
Highest AQI recorded in
April74AQI
Lowest AQI recorded in
July39AQI
202365AQI
9
15
5
2
1
19
6
2
4
19
8
3
20
5
2
5
25
1
4
26
15
16
16
15
14
16
13
18
15
14
11
15
5
110
218
30
6
Highest AQI recorded in
February90AQI
Lowest AQI recorded in
September49AQI
202265AQI
3
21
5
1
4
10
4
3
5
19
6
5
22
3
5
25
1
18
12
8
16
1
14
14
12
16
3
6
21
3
10
21
91
197
25
4
Highest AQI recorded in
February85AQI
Lowest AQI recorded in
June46AQI
202169AQI
4
24
2
18
7
3
1
17
10
2
1
2
27
1
3
25
1
2
5
20
5
15
16
13
18
24
6
15
16
10
16
4
10
15
6
102
218
36
5
3
Highest AQI recorded in
March105AQI
Lowest AQI recorded in
September42AQI
202060AQI
1
2
13
17
1
17
14
13
17
6
24
1
11
16
3
6
21
4
67
111
9
Highest AQI recorded in
December71AQI
Lowest AQI recorded in
August50AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
69AQILeast Polluted Year Recorded
2024(Avg.)
59AQISeongyeon Myeon's annual 2025 AQI (64) shows an average percentage change of 1.2% (worsened AQI) compared to previous years: 2020 (60), 2021 (69), 2022 (65), 2023 (65), 2024 (59).
