Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Yongdong Myeon, Hosan, 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

Yongdong Myeon, Hosan, Chungnam, South Korea

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
27th Aug 2023
92AQI
Lowest AQI recorded on
9th Aug 2023
19AQI

Same Day Analysis (9th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 56 of Moderate air quality, showing improvement over 2024 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 9th Aug - 10th Aug 2025

Yongdong Myeon, Hosan, Chungnam, South Korea

AQI
Day
Night
.

5 AM9th Aug 2025

7 PM

4 AM10th Aug 2025

Day time
Avg. Highest Time
10AM9th Aug

76AQI

Avg. Lowest Time
8AM9th Aug

53AQI

Night time
Avg. Highest Time
8PM9th Aug

59AQI

Avg. Lowest Time
1AM10th Aug

51AQI

In the last 24 hours,

Yongdong Myeon's AQI reached its highest point of 76 at 10 AM during the Day, while the lowest point, 51, was recorded at 1 AM during the Night between 9th Aug and 10th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Yongdong Myeon, Hosan, 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 2025586 AMAQI
11th Jul 2025557 AMAQI
11th Jul 2025558 AMAQI
11th Jul 2025379 AMAQI
11th Jul 20253610 AMAQI
11th Jul 20254211 AMAQI
11th Jul 20254012 PMAQI
11th Jul 2025441 PMAQI
11th Jul 2025512 PMAQI
11th Jul 2025453 PMAQI
11th Jul 2025524 PMAQI
11th Jul 2025555 PMAQI
11th Jul 2025566 PMAQI
11th Jul 2025567 PMAQI
11th Jul 2025568 PMAQI
11th Jul 2025569 PMAQI
11th Jul 20255610 PMAQI
11th Jul 20255411 PMAQI
12th Jul 20255412 AMAQI
12th Jul 2025561 AMAQI
12th Jul 2025582 AMAQI
12th Jul 2025583 AMAQI
12th Jul 2025574 AMAQI

27°C22/34°C

12th Jul 2025565 AMAQI
12th Jul 2025566 AMAQI
12th Jul 2025567 AMAQI
12th Jul 2025568 AMAQI
12th Jul 2025459 AMAQI
12th Jul 20254010 AMAQI
12th Jul 20253911 AMAQI
12th Jul 20254712 PMAQI
12th Jul 2025481 PMAQI
12th Jul 2025472 PMAQI
12th Jul 2025443 PMAQI
12th Jul 2025454 PMAQI
12th Jul 2025465 PMAQI
12th Jul 2025476 PMAQI
12th Jul 2025527 PMAQI
12th Jul 2025508 PMAQI
12th Jul 2025569 PMAQI
12th Jul 20255510 PMAQI
12th Jul 20255711 PMAQI
13th Jul 20255912 AMAQI
13th Jul 2025591 AMAQI
13th Jul 2025572 AMAQI
13th Jul 2025573 AMAQI
13th Jul 2025564 AMAQI

27°C20/34°C

13th Jul 2025555 AMAQI
13th Jul 2025556 AMAQI
13th Jul 2025557 AMAQI
13th Jul 2025558 AMAQI
13th Jul 2025649 AMAQI
13th Jul 20257210 AMAQI
13th Jul 20256611 AMAQI
13th Jul 20256612 PMAQI
13th Jul 2025701 PMAQI
13th Jul 2025722 PMAQI
13th Jul 2025703 PMAQI
13th Jul 2025684 PMAQI
13th Jul 2025705 PMAQI
13th Jul 2025726 PMAQI
13th Jul 2025747 PMAQI
13th Jul 2025788 PMAQI
13th Jul 2025689 PMAQI
13th Jul 20257010 PMAQI
13th Jul 20256811 PMAQI
14th Jul 20256412 AMAQI
14th Jul 2025561 AMAQI
14th Jul 2025562 AMAQI
14th Jul 2025563 AMAQI
14th Jul 2025574 AMAQI

23°C19/26°C

14th Jul 2025595 AMAQI
14th Jul 2025586 AMAQI
14th Jul 2025587 AMAQI
14th Jul 2025598 AMAQI
14th Jul 2025669 AMAQI
14th Jul 20257610 AMAQI
14th Jul 20257011 AMAQI
14th Jul 20256612 PMAQI
14th Jul 2025621 PMAQI
14th Jul 2025572 PMAQI
14th Jul 2025583 PMAQI
14th Jul 2025644 PMAQI
14th Jul 2025525 PMAQI
14th Jul 2025406 PMAQI
14th Jul 2025357 PMAQI
14th Jul 2025458 PMAQI
14th Jul 2025529 PMAQI
14th Jul 20255210 PMAQI
14th Jul 20255311 PMAQI
15th Jul 20255312 AMAQI
15th Jul 2025561 AMAQI
15th Jul 2025582 AMAQI
15th Jul 2025583 AMAQI
15th Jul 2025594 AMAQI

23°C20/28°C

15th Jul 2025595 AMAQI
15th Jul 2025596 AMAQI
15th Jul 2025607 AMAQI
15th Jul 2025608 AMAQI
15th Jul 2025369 AMAQI
15th Jul 20252410 AMAQI
15th Jul 20252411 AMAQI
15th Jul 20252512 PMAQI
15th Jul 2025201 PMAQI
15th Jul 2025252 PMAQI
15th Jul 2025253 PMAQI
15th Jul 2025244 PMAQI
15th Jul 2025245 PMAQI
15th Jul 2025306 PMAQI
15th Jul 2025287 PMAQI
15th Jul 2025368 PMAQI
15th Jul 2025489 PMAQI
15th Jul 20255010 PMAQI
15th Jul 20255211 PMAQI
16th Jul 20255112 AMAQI
16th Jul 2025521 AMAQI
16th Jul 2025572 AMAQI
16th Jul 2025573 AMAQI
16th Jul 2025564 AMAQI

22°C19/26°C

16th Jul 2025545 AMAQI
16th Jul 2025546 AMAQI
16th Jul 2025547 AMAQI
16th Jul 2025548 AMAQI
16th Jul 2025599 AMAQI
16th Jul 20255710 AMAQI
16th Jul 20255711 AMAQI
16th Jul 20255712 PMAQI
16th Jul 2025561 PMAQI
16th Jul 2025532 PMAQI
16th Jul 2025513 PMAQI
16th Jul 2025414 PMAQI
16th Jul 2025425 PMAQI
16th Jul 2025426 PMAQI
16th Jul 2025527 PMAQI
16th Jul 2025558 PMAQI
16th Jul 2025599 PMAQI
16th Jul 20256110 PMAQI
16th Jul 20256111 PMAQI
17th Jul 20255612 AMAQI
17th Jul 2025541 AMAQI
17th Jul 2025552 AMAQI
17th Jul 2025553 AMAQI
17th Jul 2025554 AMAQI

21°C20/25°C

17th Jul 2025555 AMAQI
17th Jul 2025556 AMAQI
17th Jul 2025557 AMAQI
17th Jul 2025558 AMAQI
17th Jul 2025489 AMAQI
17th Jul 20253610 AMAQI
17th Jul 20255011 AMAQI
17th Jul 20253212 PMAQI
17th Jul 2025281 PMAQI
17th Jul 2025282 PMAQI
17th Jul 2025233 PMAQI
17th Jul 2025244 PMAQI
17th Jul 2025215 PMAQI
17th Jul 2025216 PMAQI
17th Jul 2025227 PMAQI
17th Jul 2025308 PMAQI
17th Jul 2025439 PMAQI
17th Jul 20254410 PMAQI
17th Jul 20254611 PMAQI
18th Jul 20254812 AMAQI
18th Jul 2025541 AMAQI
18th Jul 2025552 AMAQI
18th Jul 2025563 AMAQI
18th Jul 2025544 AMAQI

24°C21/27°C

18th Jul 2025545 AMAQI
18th Jul 2025536 AMAQI
18th Jul 2025547 AMAQI
18th Jul 2025538 AMAQI
18th Jul 2025379 AMAQI
18th Jul 20253010 AMAQI
18th Jul 20253311 AMAQI
18th Jul 20253312 PMAQI
18th Jul 2025391 PMAQI
18th Jul 2025362 PMAQI
18th Jul 2025283 PMAQI
18th Jul 2025304 PMAQI
18th Jul 2025325 PMAQI
18th Jul 2025366 PMAQI
18th Jul 2025547 PMAQI
18th Jul 2025548 PMAQI
18th Jul 2025549 PMAQI
18th Jul 20255810 PMAQI
18th Jul 20255511 PMAQI
19th Jul 20255512 AMAQI
19th Jul 2025531 AMAQI
19th Jul 2025542 AMAQI
19th Jul 2025543 AMAQI
19th Jul 2025534 AMAQI

25°C22/29°C

19th Jul 2025525 AMAQI
19th Jul 2025526 AMAQI
19th Jul 2025527 AMAQI
19th Jul 2025528 AMAQI
19th Jul 2025249 AMAQI
19th Jul 20251610 AMAQI
19th Jul 20251811 AMAQI
19th Jul 20251612 PMAQI
19th Jul 2025191 PMAQI
19th Jul 2025182 PMAQI
19th Jul 2025173 PMAQI
19th Jul 2025184 PMAQI
19th Jul 2025195 PMAQI
19th Jul 2025216 PMAQI
19th Jul 2025187 PMAQI
19th Jul 2025258 PMAQI
19th Jul 2025379 PMAQI
19th Jul 20253910 PMAQI
19th Jul 20253711 PMAQI
20th Jul 20253812 AMAQI
20th Jul 2025501 AMAQI
20th Jul 2025532 AMAQI
20th Jul 2025533 AMAQI
20th Jul 2025504 AMAQI

25°C22/29°C

20th Jul 2025485 AMAQI
20th Jul 2025486 AMAQI
20th Jul 2025487 AMAQI
20th Jul 2025488 AMAQI
20th Jul 2025359 AMAQI
20th Jul 20252610 AMAQI
20th Jul 20253511 AMAQI
20th Jul 20253712 PMAQI
20th Jul 2025371 PMAQI
20th Jul 2025402 PMAQI
20th Jul 2025403 PMAQI
20th Jul 2025424 PMAQI
20th Jul 2025505 PMAQI
20th Jul 2025486 PMAQI
20th Jul 2025517 PMAQI
20th Jul 2025498 PMAQI
20th Jul 2025499 PMAQI
20th Jul 20254910 PMAQI
20th Jul 20255311 PMAQI
21st Jul 20255212 AMAQI
21st Jul 2025521 AMAQI
21st Jul 2025502 AMAQI
21st Jul 2025513 AMAQI
21st Jul 2025494 AMAQI

27°C22/33°C

21st Jul 2025495 AMAQI
21st Jul 2025486 AMAQI
21st Jul 2025487 AMAQI
21st Jul 2025498 AMAQI
21st Jul 2025519 AMAQI
21st Jul 20254710 AMAQI
21st Jul 20253811 AMAQI
21st Jul 20253812 PMAQI
21st Jul 2025361 PMAQI
21st Jul 2025272 PMAQI
21st Jul 2025243 PMAQI
21st Jul 2025234 PMAQI
21st Jul 2025185 PMAQI
21st Jul 2025186 PMAQI
21st Jul 2025197 PMAQI
21st Jul 2025278 PMAQI
21st Jul 2025369 PMAQI
21st Jul 20253710 PMAQI
21st Jul 20253511 PMAQI
22nd Jul 20253512 AMAQI
22nd Jul 2025501 AMAQI
22nd Jul 2025502 AMAQI
22nd Jul 2025493 AMAQI
22nd Jul 2025494 AMAQI

27°C23/31°C

22nd Jul 2025485 AMAQI
22nd Jul 2025486 AMAQI
22nd Jul 2025487 AMAQI
22nd Jul 2025488 AMAQI
22nd Jul 2025279 AMAQI
22nd Jul 20252310 AMAQI
22nd Jul 20252111 AMAQI
22nd Jul 20252912 PMAQI
22nd Jul 2025381 PMAQI
22nd Jul 2025412 PMAQI
22nd Jul 2025243 PMAQI
22nd Jul 2025244 PMAQI
22nd Jul 2025325 PMAQI
22nd Jul 2025376 PMAQI
22nd Jul 2025407 PMAQI
22nd Jul 2025428 PMAQI
22nd Jul 2025439 PMAQI
22nd Jul 20254010 PMAQI
22nd Jul 20254011 PMAQI
23rd Jul 20253912 AMAQI
23rd Jul 2025461 AMAQI
23rd Jul 2025472 AMAQI
23rd Jul 2025483 AMAQI
23rd Jul 2025464 AMAQI

27°C23/31°C

23rd Jul 2025455 AMAQI
23rd Jul 2025466 AMAQI
23rd Jul 2025447 AMAQI
23rd Jul 2025448 AMAQI
23rd Jul 2025509 AMAQI
23rd Jul 20255010 AMAQI
23rd Jul 20255611 AMAQI
23rd Jul 20255812 PMAQI
23rd Jul 2025581 PMAQI
23rd Jul 2025542 PMAQI
23rd Jul 2025543 PMAQI
23rd Jul 2025494 PMAQI
23rd Jul 2025455 PMAQI
23rd Jul 2025526 PMAQI
23rd Jul 2025537 PMAQI
23rd Jul 2025558 PMAQI
23rd Jul 2025529 PMAQI
23rd Jul 20255410 PMAQI
23rd Jul 20255611 PMAQI
24th Jul 20255512 AMAQI
24th Jul 2025461 AMAQI
24th Jul 2025462 AMAQI
24th Jul 2025443 AMAQI
24th Jul 2025474 AMAQI

27°C23/32°C

24th Jul 2025485 AMAQI
24th Jul 2025486 AMAQI
24th Jul 2025497 AMAQI
24th Jul 2025508 AMAQI
24th Jul 2025589 AMAQI
24th Jul 20256410 AMAQI
24th Jul 20256411 AMAQI
24th Jul 20256812 PMAQI
24th Jul 2025681 PMAQI
24th Jul 2025672 PMAQI
24th Jul 2025703 PMAQI
24th Jul 2025644 PMAQI
24th Jul 2025645 PMAQI
24th Jul 2025616 PMAQI
24th Jul 2025647 PMAQI
24th Jul 2025658 PMAQI
24th Jul 2025649 PMAQI
24th Jul 20256010 PMAQI
24th Jul 20256111 PMAQI
25th Jul 20256112 AMAQI
25th Jul 2025601 AMAQI
25th Jul 2025522 AMAQI
25th Jul 2025493 AMAQI
25th Jul 2025514 AMAQI

28°C23/34°C

25th Jul 2025535 AMAQI
25th Jul 2025536 AMAQI
25th Jul 2025537 AMAQI
25th Jul 2025538 AMAQI
25th Jul 2025769 AMAQI
25th Jul 20257610 AMAQI
25th Jul 20257611 AMAQI
25th Jul 20257312 PMAQI
25th Jul 2025651 PMAQI
25th Jul 2025612 PMAQI
25th Jul 2025583 PMAQI
25th Jul 2025524 PMAQI
25th Jul 2025525 PMAQI
25th Jul 2025526 PMAQI
25th Jul 2025527 PMAQI
25th Jul 2025558 PMAQI
25th Jul 2025569 PMAQI
25th Jul 20255810 PMAQI
25th Jul 20255811 PMAQI
26th Jul 20255812 AMAQI
26th Jul 2025541 AMAQI
26th Jul 2025532 AMAQI
26th Jul 2025543 AMAQI
26th Jul 2025554 AMAQI

29°C24/35°C

26th Jul 2025575 AMAQI
26th Jul 2025576 AMAQI
26th Jul 2025587 AMAQI
26th Jul 2025588 AMAQI
26th Jul 2025519 AMAQI
26th Jul 20254010 AMAQI
26th Jul 20252711 AMAQI
26th Jul 20252812 PMAQI
26th Jul 2025381 PMAQI
26th Jul 2025352 PMAQI
26th Jul 2025383 PMAQI
26th Jul 2025304 PMAQI
26th Jul 2025285 PMAQI
26th Jul 2025346 PMAQI
26th Jul 2025347 PMAQI
26th Jul 2025388 PMAQI
26th Jul 2025559 PMAQI
26th Jul 20255310 PMAQI
26th Jul 20255711 PMAQI
27th Jul 20255612 AMAQI
27th Jul 2025561 AMAQI
27th Jul 2025562 AMAQI
27th Jul 2025553 AMAQI
27th Jul 2025554 AMAQI

29°C24/35°C

27th Jul 2025535 AMAQI
27th Jul 2025536 AMAQI
27th Jul 2025547 AMAQI
27th Jul 2025548 AMAQI
27th Jul 2025439 AMAQI
27th Jul 20253210 AMAQI
27th Jul 20252311 AMAQI
27th Jul 20252012 PMAQI
27th Jul 2025181 PMAQI
27th Jul 2025212 PMAQI
27th Jul 2025253 PMAQI
27th Jul 2025254 PMAQI
27th Jul 2025185 PMAQI
27th Jul 2025236 PMAQI
27th Jul 2025357 PMAQI
27th Jul 2025348 PMAQI
27th Jul 2025519 PMAQI
27th Jul 20255410 PMAQI
27th Jul 20255411 PMAQI
28th Jul 20255312 AMAQI
28th Jul 2025551 AMAQI
28th Jul 2025552 AMAQI
28th Jul 2025553 AMAQI
28th Jul 2025544 AMAQI

29°C24/36°C

28th Jul 2025525 AMAQI
28th Jul 2025526 AMAQI
28th Jul 2025527 AMAQI
28th Jul 2025528 AMAQI
28th Jul 2025609 AMAQI
28th Jul 20256410 AMAQI
28th Jul 20256211 AMAQI
28th Jul 20256012 PMAQI
28th Jul 2025631 PMAQI
28th Jul 2025622 PMAQI
28th Jul 2025553 PMAQI
28th Jul 2025564 PMAQI
28th Jul 2025615 PMAQI
28th Jul 2025596 PMAQI
28th Jul 2025587 PMAQI
28th Jul 2025588 PMAQI
28th Jul 2025569 PMAQI
28th Jul 20255710 PMAQI
28th Jul 20255711 PMAQI
29th Jul 20255712 AMAQI
29th Jul 2025541 AMAQI
29th Jul 2025532 AMAQI
29th Jul 2025533 AMAQI
29th Jul 2025544 AMAQI

29°C24/35°C

29th Jul 2025555 AMAQI
29th Jul 2025556 AMAQI
29th Jul 2025547 AMAQI
29th Jul 2025558 AMAQI
29th Jul 2025709 AMAQI
29th Jul 20258010 AMAQI
29th Jul 20257111 AMAQI
29th Jul 20257512 PMAQI
29th Jul 2025721 PMAQI
29th Jul 2025742 PMAQI
29th Jul 2025683 PMAQI
29th Jul 2025584 PMAQI
29th Jul 2025595 PMAQI
29th Jul 2025576 PMAQI
29th Jul 2025677 PMAQI
29th Jul 2025648 PMAQI
29th Jul 2025609 PMAQI
29th Jul 20256410 PMAQI
29th Jul 20256311 PMAQI
30th Jul 20256312 AMAQI
30th Jul 2025551 AMAQI
30th Jul 2025542 AMAQI
30th Jul 2025543 AMAQI
30th Jul 2025564 AMAQI

29°C24/35°C

30th Jul 2025585 AMAQI
30th Jul 2025586 AMAQI
30th Jul 2025587 AMAQI
30th Jul 2025588 AMAQI
30th Jul 2025769 AMAQI
30th Jul 20257510 AMAQI
30th Jul 20256211 AMAQI
30th Jul 20256012 PMAQI
30th Jul 2025591 PMAQI
30th Jul 2025482 PMAQI
30th Jul 2025413 PMAQI
30th Jul 2025364 PMAQI
30th Jul 2025365 PMAQI
30th Jul 2025366 PMAQI
30th Jul 2025367 PMAQI
30th Jul 2025438 PMAQI
30th Jul 2025539 PMAQI
30th Jul 20255610 PMAQI
30th Jul 20255511 PMAQI
31st Jul 20255912 AMAQI
31st Jul 2025561 AMAQI
31st Jul 2025572 AMAQI
31st Jul 2025573 AMAQI
31st Jul 2025574 AMAQI

29°C23/35°C

31st Jul 2025575 AMAQI
31st Jul 2025576 AMAQI
31st Jul 2025577 AMAQI
31st Jul 2025578 AMAQI
31st Jul 2025579 AMAQI
31st Jul 20255710 AMAQI
31st Jul 20255611 AMAQI
31st Jul 20255212 PMAQI
31st Jul 2025531 PMAQI
31st Jul 2025562 PMAQI
31st Jul 2025563 PMAQI
31st Jul 2025544 PMAQI
31st Jul 2025545 PMAQI
31st Jul 2025516 PMAQI
31st Jul 2025537 PMAQI
31st Jul 2025548 PMAQI
31st Jul 2025559 PMAQI
31st Jul 20255410 PMAQI
31st Jul 20255411 PMAQI
1st Aug 20255412 AMAQI
1st Aug 2025531 AMAQI
1st Aug 2025532 AMAQI
1st Aug 2025533 AMAQI
1st Aug 2025544 AMAQI

28°C23/34°C

1st Aug 2025545 AMAQI
1st Aug 2025566 AMAQI
1st Aug 2025547 AMAQI
1st Aug 2025548 AMAQI
1st Aug 2025589 AMAQI
1st Aug 20256210 AMAQI
1st Aug 20255711 AMAQI
1st Aug 20255712 PMAQI
1st Aug 2025551 PMAQI
1st Aug 2025652 PMAQI
1st Aug 2025593 PMAQI
1st Aug 2025614 PMAQI
1st Aug 2025605 PMAQI
1st Aug 2025616 PMAQI
1st Aug 2025627 PMAQI
1st Aug 2025598 PMAQI
1st Aug 2025599 PMAQI
1st Aug 20255910 PMAQI
1st Aug 20255711 PMAQI
2nd Aug 20255612 AMAQI
2nd Aug 2025531 AMAQI
2nd Aug 2025542 AMAQI
2nd Aug 2025543 AMAQI
2nd Aug 2025544 AMAQI

28°C23/34°C

2nd Aug 2025545 AMAQI
2nd Aug 2025546 AMAQI
2nd Aug 2025547 AMAQI
2nd Aug 2025548 AMAQI
2nd Aug 2025769 AMAQI
2nd Aug 20257410 AMAQI
2nd Aug 20257711 AMAQI
2nd Aug 20257512 PMAQI
2nd Aug 2025811 PMAQI
2nd Aug 2025832 PMAQI
2nd Aug 2025783 PMAQI
2nd Aug 2025804 PMAQI
2nd Aug 2025655 PMAQI
2nd Aug 2025696 PMAQI
2nd Aug 2025667 PMAQI
2nd Aug 2025618 PMAQI
2nd Aug 2025609 PMAQI
2nd Aug 20256010 PMAQI
2nd Aug 20256311 PMAQI
3rd Aug 20255812 AMAQI
3rd Aug 2025531 AMAQI
3rd Aug 2025542 AMAQI
3rd Aug 2025543 AMAQI
3rd Aug 2025574 AMAQI

28°C24/34°C

3rd Aug 2025585 AMAQI
3rd Aug 2025586 AMAQI
3rd Aug 2025587 AMAQI
3rd Aug 2025588 AMAQI
3rd Aug 2025709 AMAQI
3rd Aug 20258210 AMAQI
3rd Aug 20257611 AMAQI
3rd Aug 20257312 PMAQI
3rd Aug 2025731 PMAQI
3rd Aug 2025702 PMAQI
3rd Aug 2025753 PMAQI
3rd Aug 2025684 PMAQI
3rd Aug 2025675 PMAQI
3rd Aug 2025646 PMAQI
3rd Aug 2025617 PMAQI
3rd Aug 2025588 PMAQI
3rd Aug 2025579 PMAQI
3rd Aug 20255610 PMAQI
3rd Aug 20255011 PMAQI
4th Aug 20254912 AMAQI
4th Aug 2025541 AMAQI
4th Aug 2025552 AMAQI
4th Aug 2025563 AMAQI
4th Aug 2025584 AMAQI

25°C23/28°C

4th Aug 2025595 AMAQI
4th Aug 2025596 AMAQI
4th Aug 2025607 AMAQI
4th Aug 2025608 AMAQI
4th Aug 2025459 AMAQI
4th Aug 20254610 AMAQI
4th Aug 20255711 AMAQI
4th Aug 20255112 PMAQI
4th Aug 2025541 PMAQI
4th Aug 2025532 PMAQI
4th Aug 2025523 PMAQI
4th Aug 2025534 PMAQI
4th Aug 2025565 PMAQI
4th Aug 2025566 PMAQI
4th Aug 2025587 PMAQI
4th Aug 2025558 PMAQI
4th Aug 2025569 PMAQI
4th Aug 20255710 PMAQI
4th Aug 20255611 PMAQI
5th Aug 20255512 AMAQI
5th Aug 2025541 AMAQI
5th Aug 2025562 AMAQI
5th Aug 2025563 AMAQI
5th Aug 2025564 AMAQI

27°C23/30°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 20255511 AMAQI
5th Aug 20255612 PMAQI
5th Aug 2025541 PMAQI
5th Aug 2025552 PMAQI
5th Aug 2025533 PMAQI
5th Aug 2025444 PMAQI
5th Aug 2025505 PMAQI
5th Aug 2025496 PMAQI
5th Aug 2025417 PMAQI
5th Aug 2025488 PMAQI
5th Aug 2025509 PMAQI
5th Aug 20255210 PMAQI
5th Aug 20254511 PMAQI
6th Aug 20254812 AMAQI
6th Aug 2025551 AMAQI
6th Aug 2025542 AMAQI
6th Aug 2025553 AMAQI
6th Aug 2025554 AMAQI

26°C23/32°C

6th Aug 2025555 AMAQI
6th Aug 2025556 AMAQI
6th Aug 2025557 AMAQI
6th Aug 2025558 AMAQI
6th Aug 2025409 AMAQI
6th Aug 20254210 AMAQI
6th Aug 20254911 AMAQI
6th Aug 20254812 PMAQI
6th Aug 2025441 PMAQI
6th Aug 2025562 PMAQI
6th Aug 2025583 PMAQI
6th Aug 2025504 PMAQI
6th Aug 2025525 PMAQI
6th Aug 2025546 PMAQI
6th Aug 2025587 PMAQI
6th Aug 2025548 PMAQI
6th Aug 2025529 PMAQI
6th Aug 20255310 PMAQI
6th Aug 20255311 PMAQI
7th Aug 20255112 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 2025459 AMAQI
7th Aug 20255010 AMAQI
7th Aug 20255211 AMAQI
7th Aug 20255512 PMAQI
7th Aug 2025541 PMAQI
7th Aug 2025522 PMAQI
7th Aug 2025493 PMAQI
7th Aug 2025544 PMAQI
7th Aug 2025545 PMAQI
7th Aug 2025326 PMAQI
7th Aug 2025327 PMAQI
7th Aug 2025448 PMAQI
7th Aug 2025529 PMAQI
7th Aug 20255010 PMAQI
7th Aug 20255211 PMAQI
8th Aug 20254912 AMAQI
8th Aug 2025521 AMAQI
8th Aug 2025522 AMAQI
8th Aug 2025523 AMAQI
8th Aug 2025534 AMAQI

25°C21/30°C

8th Aug 2025525 AMAQI
8th Aug 2025536 AMAQI
8th Aug 2025527 AMAQI
8th Aug 2025528 AMAQI
8th Aug 2025539 AMAQI
8th Aug 20255410 AMAQI
8th Aug 20255411 AMAQI
8th Aug 20255212 PMAQI
8th Aug 2025541 PMAQI
8th Aug 2025552 PMAQI
8th Aug 2025543 PMAQI
8th Aug 2025444 PMAQI
8th Aug 2025515 PMAQI
8th Aug 2025546 PMAQI
8th Aug 2025577 PMAQI
8th Aug 2025628 PMAQI
8th Aug 2025659 PMAQI
8th Aug 20256210 PMAQI
8th Aug 20256111 PMAQI
9th Aug 20255712 AMAQI
9th Aug 2025521 AMAQI
9th Aug 2025522 AMAQI
9th Aug 2025523 AMAQI
9th Aug 2025524 AMAQI

24°C20/29°C

9th Aug 2025535 AMAQI
9th Aug 2025536 AMAQI
9th Aug 2025537 AMAQI
9th Aug 2025538 AMAQI
9th Aug 2025619 AMAQI
9th Aug 20257610 AMAQI
9th Aug 20257211 AMAQI
9th Aug 20257112 PMAQI
9th Aug 2025651 PMAQI
9th Aug 2025682 PMAQI
9th Aug 2025663 PMAQI
9th Aug 2025654 PMAQI
9th Aug 2025645 PMAQI
9th Aug 2025636 PMAQI
9th Aug 2025617 PMAQI
9th Aug 2025598 PMAQI
9th Aug 2025569 PMAQI
9th Aug 20255410 PMAQI
9th Aug 20255611 PMAQI
10th Aug 20255312 AMAQI
10th Aug 2025511 AMAQI
10th Aug 2025542 AMAQI
10th Aug 2025533 AMAQI
10th Aug 2025554 AMAQI

22°C20/25°C

10th Aug 2025565 AMAQI
5 AM
10th Aug 2025566 AMAQI
10th Aug 2025567 AMAQI
10th Aug 2025568 AMAQI
10th Aug 2025569 AMAQI
10th Aug 20255510 AMAQI
10th Aug 20255211 AMAQI
10th Aug 20254912 PMAQI
12 PM
10th Aug 2025511 PMAQI
10th Aug 2025372 PMAQI
10th Aug 2025423 PMAQI
10th Aug 2025424 PMAQI
7 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 2 PM

52AQI

10 hours / Day
300 hours / Month
Avg. Lowest Time
3 PM - 7 PM

47AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 2 PM (Avg. 52), while the lowest AQI was between 3 PM to 7 PM (Avg. 47).
Night time
Avg. Highest Time
12 AM - 4 AM

54AQI

5 hours / Day
150 hours / Month
Avg. Lowest Time
8 PM

50AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 54), while the lowest AQI was between 8 PM to 8 PM (Avg. 50).

2025 Days Vs Air Quality

Yongdong Myeon, Hosan, Chungnam, South Korea

2025

17%

38

77%

170

6%

13

Total number of days with different AQI categories in last 222 days in 2025 (143 days remaining)

Good
38 Days
Moderate
170 Days
Poor
13 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 17%

Health Risk Level:

Extreme

In 2025, 17% 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

Yongdong Myeon, Hosan, 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
71AQI
2nd January 2025
70AQI
3rd January 2025
56AQI
4th January 2025
61AQI
5th January 2025
60AQI
6th January 2025
71AQI
7th January 2025
52AQI
8th January 2025
64AQI
9th January 2025
39AQI
10th January 2025
58AQI
11th January 2025
62AQI
12th January 2025
76AQI
13th January 2025
88AQI
14th January 2025
83AQI
15th January 2025
66AQI
16th January 2025
64AQI
17th January 2025
79AQI
18th January 2025
85AQI
19th January 2025
96AQI
20th January 2025
113AQI
21st January 2025
138AQI
22nd January 2025
143AQI
23rd January 2025
122AQI
24th January 2025
113AQI
25th January 2025
80AQI
26th January 2025
61AQI
27th January 2025
66AQI
28th January 2025
48AQI
29th January 2025
50AQI
30th January 2025
61AQI
31st January 2025
77AQI
1st February 2025
86AQI
2nd February 2025
94AQI
3rd February 2025
57AQI
4th February 2025
51AQI
5th February 2025
45AQI
6th February 2025
50AQI
7th February 2025
45AQI
8th February 2025
41AQI
9th February 2025
49AQI
10th February 2025
59AQI
11th February 2025
68AQI
12th February 2025
63AQI
13th February 2025
48AQI
14th February 2025
75AQI
15th February 2025
56AQI
16th February 2025
107AQI
17th February 2025
50AQI
18th February 2025
59AQI
19th February 2025
44AQI
20th February 2025
52AQI
21st February 2025
47AQI
22nd February 2025
57AQI
23rd February 2025
49AQI
24th February 2025
49AQI
25th February 2025
54AQI
26th February 2025
69AQI
27th February 2025
69AQI
28th February 2025
68AQI
1st March 2025
96AQI
2nd March 2025
80AQI
3rd March 2025
56AQI
4th March 2025
49AQI
5th March 2025
36AQI
6th March 2025
70AQI
7th March 2025
80AQI
8th March 2025
84AQI
9th March 2025
99AQI
10th March 2025
95AQI
11th March 2025
97AQI
12th March 2025
97AQI
13th March 2025
81AQI
14th March 2025
83AQI
15th March 2025
52AQI
16th March 2025
69AQI
17th March 2025
63AQI
18th March 2025
76AQI
19th March 2025
84AQI
20th March 2025
101AQI
21st March 2025
110AQI
22nd March 2025
120AQI
23rd March 2025
127AQI
24th March 2025
118AQI
25th March 2025
141AQI
26th March 2025
98AQI
27th March 2025
91AQI
28th March 2025
68AQI
29th March 2025
53AQI
30th March 2025
52AQI
31st March 2025
65AQI
1st April 2025
75AQI
2nd April 2025
84AQI
3rd April 2025
86AQI
4th April 2025
88AQI
5th April 2025
73AQI
6th April 2025
69AQI
7th April 2025
74AQI
8th April 2025
77AQI
9th April 2025
74AQI
10th April 2025
81AQI
11th April 2025
91AQI
12th April 2025
70AQI
13th April 2025
66AQI
14th April 2025
49AQI
15th April 2025
58AQI
16th April 2025
63AQI
17th April 2025
70AQI
18th April 2025
83AQI
19th April 2025
61AQI
20th April 2025
71AQI
21st April 2025
67AQI
22nd April 2025
52AQI
23rd April 2025
59AQI
24th April 2025
67AQI
25th April 2025
68AQI
26th April 2025
58AQI
27th April 2025
50AQI
28th April 2025
59AQI
29th April 2025
67AQI
30th April 2025
65AQI
1st May 2025
59AQI
2nd May 2025
57AQI
3rd May 2025
53AQI
4th May 2025
53AQI
5th May 2025
51AQI
6th May 2025
54AQI
7th May 2025
55AQI
8th May 2025
65AQI
9th May 2025
50AQI
10th May 2025
57AQI
11th May 2025
72AQI
12th May 2025
73AQI
13th May 2025
76AQI
14th May 2025
80AQI
15th May 2025
59AQI
16th May 2025
58AQI
17th May 2025
52AQI
18th May 2025
64AQI
19th May 2025
60AQI
20th May 2025
45AQI
21st May 2025
49AQI
22nd May 2025
58AQI
23rd May 2025
61AQI
24th May 2025
53AQI
25th May 2025
51AQI
26th May 2025
71AQI
27th May 2025
82AQI
28th May 2025
87AQI
29th May 2025
86AQI
30th May 2025
97AQI
31st May 2025
100AQI
1st June 2025
100AQI
2nd June 2025
106AQI
3rd June 2025
88AQI
4th June 2025
72AQI
5th June 2025
63AQI
6th June 2025
68AQI
7th June 2025
73AQI
8th June 2025
69AQI
9th June 2025
67AQI
10th June 2025
63AQI
11th June 2025
62AQI
12th June 2025
64AQI
13th June 2025
70AQI
14th June 2025
56AQI
15th June 2025
63AQI
16th June 2025
68AQI
17th June 2025
66AQI
18th June 2025
67AQI
19th June 2025
63AQI
20th June 2025
48AQI
21st June 2025
46AQI
22nd June 2025
36AQI
23rd June 2025
53AQI
24th June 2025
56AQI
25th June 2025
49AQI
26th June 2025
64AQI
27th June 2025
68AQI
28th June 2025
65AQI
29th June 2025
56AQI
30th June 2025
54AQI
1st July 2025
54AQI
2nd July 2025
54AQI
3rd July 2025
57AQI
4th July 2025
54AQI
5th July 2025
49AQI
6th July 2025
52AQI
7th July 2025
57AQI
8th July 2025
68AQI
9th July 2025
52AQI
10th July 2025
48AQI
11th July 2025
53AQI
12th July 2025
52AQI
13th July 2025
65AQI
14th July 2025
56AQI
15th July 2025
42AQI
16th July 2025
54AQI
17th July 2025
42AQI
18th July 2025
47AQI
19th July 2025
35AQI
20th July 2025
46AQI
21st July 2025
38AQI
22nd July 2025
40AQI
23rd July 2025
50AQI
24th July 2025
58AQI
25th July 2025
58AQI
26th July 2025
46AQI
27th July 2025
41AQI
28th July 2025
57AQI
29th July 2025
62AQI
30th July 2025
53AQI
31st July 2025
55AQI
1st August 2025
57AQI
2nd August 2025
64AQI
3rd August 2025
62AQI
4th August 2025
55AQI
5th August 2025
52AQI
6th August 2025
52AQI
7th August 2025
50AQI
8th August 2025
55AQI
9th August 2025
56AQI

77AQI

59AQI

84AQI

69AQI

64AQI

65AQI

51AQI

56AQI

No. of days

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

202567AQI

3
23
5
11
16
1
2
23
6
2
28
3
28
4
25
1
12
19
1
8
38
170
13

Highest AQI recorded in

March

84AQI

Lowest AQI recorded in

July

51AQI

202464AQI

10
15
6
11
11
6
1
6
22
3
3
22
5
3
27
1
2
28
22
9
9
22
19
11
9
21
1
7
22
1
7
24
108
234
23
1

Highest AQI recorded in

April

80AQI

Lowest AQI recorded in

July

40AQI

202374AQI

5
15
10
1
12
11
5
12
17
2
18
11
1
9
18
4
7
23
20
11
16
15
12
17
1
5
24
2
8
19
2
9
15
5
2
91
199
63
11

Highest AQI recorded in

February

107AQI

Lowest AQI recorded in

July

49AQI

202272AQI

4
17
9
1
5
9
3
4
5
16
10
3
9
5
29
2
11
17
2
4
16
1
1
16
13
15
15
1
3
12
6
1
11
12
8
77
166
47
6

Highest AQI recorded in

February

91AQI

Lowest AQI recorded in

September

51AQI

202170AQI

5
17
8
5
13
8
2
3
19
6
1
1
1
6
23
1
7
20
2
1
1
5
23
2
20
11
17
14
24
6
8
22
1
9
12
8
1
10
14
6
1
119
194
42
5
2
2

Highest AQI recorded in

March

103AQI

Lowest AQI recorded in

September

42AQI

202066AQI

1
2
20
11
15
16
17
13
8
18
5
6
15
9
4
12
14
1
71
87
28
1

Highest AQI recorded in

December

94AQI

Lowest AQI recorded in

July

46AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
74AQI
Least Polluted Year Recorded
2024(Avg.)
64AQI

Yongdong Myeon's annual 2025 AQI (67) shows an average percentage change of -3.6% (improved AQI) compared to previous years: 2020 (66), 2021 (70), 2022 (72), 2023 (74), 2024 (64).