Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Cheongyang Eup, Asan, 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

Cheongyang Eup, Asan, Chungnam, South Korea

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
2nd Aug 2023
92AQI
Lowest AQI recorded on
23rd Aug 2023
22AQI

Same Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 59 of Moderate air quality, showing improvement over 2023 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025

Cheongyang Eup, Asan, Chungnam, South Korea

AQI
Day
Night
.

5 AM3rd Aug 2025

7 PM

4 AM4th Aug 2025

Day time
Avg. Highest Time
12AMNaNth undefined

AQI

Avg. Lowest Time
12AMNaNth undefined

AQI

Night time
Avg. Highest Time
1PM3rd Aug

71AQI

Avg. Lowest Time
11PM3rd Aug

52AQI

In the last 24 hours,

Cheongyang Eup's AQI reached its highest point of 71 at 1 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 3rd Aug and 4th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Cheongyang Eup, Asan, Chungnam, South Korea

JulAug
05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th
Day
Night
5th Jul 2025525 AMAQI
5th Jul 2025526 AMAQI
5th Jul 2025527 AMAQI
5th Jul 2025528 AMAQI
5th Jul 2025459 AMAQI
5th Jul 20254610 AMAQI
5th Jul 20255411 AMAQI
5th Jul 20254412 PMAQI
5th Jul 2025491 PMAQI
5th Jul 2025482 PMAQI
5th Jul 2025503 PMAQI
5th Jul 2025524 PMAQI
5th Jul 2025515 PMAQI
5th Jul 2025506 PMAQI
5th Jul 2025517 PMAQI
5th Jul 2025488 PMAQI
5th Jul 2025529 PMAQI
5th Jul 20255210 PMAQI
5th Jul 20255211 PMAQI
6th Jul 20255212 AMAQI
6th Jul 2025511 AMAQI
6th Jul 2025522 AMAQI
6th Jul 2025513 AMAQI
6th Jul 2025514 AMAQI

25°C21/31°C

6th Jul 2025525 AMAQI
6th Jul 2025516 AMAQI
6th Jul 2025527 AMAQI
6th Jul 2025528 AMAQI
6th Jul 2025529 AMAQI
6th Jul 20255210 AMAQI
6th Jul 20255511 AMAQI
6th Jul 20255612 PMAQI
6th Jul 2025561 PMAQI
6th Jul 2025522 PMAQI
6th Jul 2025483 PMAQI
6th Jul 2025474 PMAQI
6th Jul 2025505 PMAQI
6th Jul 2025506 PMAQI
6th Jul 2025507 PMAQI
6th Jul 2025508 PMAQI
6th Jul 2025529 PMAQI
6th Jul 20255110 PMAQI
6th Jul 20255211 PMAQI
7th Jul 20255112 AMAQI
7th Jul 2025521 AMAQI
7th Jul 2025522 AMAQI
7th Jul 2025523 AMAQI
7th Jul 2025524 AMAQI

27°C22/32°C

7th Jul 2025525 AMAQI
7th Jul 2025526 AMAQI
7th Jul 2025527 AMAQI
7th Jul 2025528 AMAQI
7th Jul 2025549 AMAQI
7th Jul 20255810 AMAQI
7th Jul 20256311 AMAQI
7th Jul 20256212 PMAQI
7th Jul 2025611 PMAQI
7th Jul 2025612 PMAQI
7th Jul 2025663 PMAQI
7th Jul 2025664 PMAQI
7th Jul 2025645 PMAQI
7th Jul 2025616 PMAQI
7th Jul 2025627 PMAQI
7th Jul 2025618 PMAQI
7th Jul 2025549 PMAQI
7th Jul 20255410 PMAQI
7th Jul 20255411 PMAQI
8th Jul 20255412 AMAQI
8th Jul 2025551 AMAQI
8th Jul 2025542 AMAQI
8th Jul 2025523 AMAQI
8th Jul 2025524 AMAQI

28°C22/35°C

8th Jul 2025525 AMAQI
8th Jul 2025536 AMAQI
8th Jul 2025527 AMAQI
8th Jul 2025538 AMAQI
8th Jul 2025729 AMAQI
8th Jul 20258410 AMAQI
8th Jul 20258011 AMAQI
8th Jul 20257812 PMAQI
8th Jul 2025731 PMAQI
8th Jul 2025712 PMAQI
8th Jul 2025713 PMAQI
8th Jul 2025724 PMAQI
8th Jul 2025745 PMAQI
8th Jul 2025746 PMAQI
8th Jul 2025757 PMAQI
8th Jul 2025718 PMAQI
8th Jul 2025569 PMAQI
8th Jul 20255510 PMAQI
8th Jul 20255511 PMAQI
9th Jul 20255512 AMAQI
9th Jul 2025541 AMAQI
9th Jul 2025542 AMAQI
9th Jul 2025543 AMAQI
9th Jul 2025544 AMAQI

28°C24/36°C

9th Jul 2025545 AMAQI
9th Jul 2025546 AMAQI
9th Jul 2025547 AMAQI
9th Jul 2025548 AMAQI
9th Jul 2025579 AMAQI
9th Jul 20255710 AMAQI
9th Jul 20255211 AMAQI
9th Jul 20255012 PMAQI
9th Jul 2025501 PMAQI
9th Jul 2025502 PMAQI
9th Jul 2025483 PMAQI
9th Jul 2025484 PMAQI
9th Jul 2025505 PMAQI
9th Jul 2025466 PMAQI
9th Jul 2025497 PMAQI
9th Jul 2025528 PMAQI
9th Jul 2025559 PMAQI
9th Jul 20255610 PMAQI
9th Jul 20255611 PMAQI
10th Jul 20255612 AMAQI
10th Jul 2025561 AMAQI
10th Jul 2025562 AMAQI
10th Jul 2025553 AMAQI
10th Jul 2025554 AMAQI

29°C23/35°C

10th Jul 2025545 AMAQI
10th Jul 2025556 AMAQI
10th Jul 2025557 AMAQI
10th Jul 2025558 AMAQI
10th Jul 2025489 AMAQI
10th Jul 20254710 AMAQI
10th Jul 20254011 AMAQI
10th Jul 20253512 PMAQI
10th Jul 2025461 PMAQI
10th Jul 2025462 PMAQI
10th Jul 2025473 PMAQI
10th Jul 2025464 PMAQI
10th Jul 2025485 PMAQI
10th Jul 2025476 PMAQI
10th Jul 2025467 PMAQI
10th Jul 2025568 PMAQI
10th Jul 2025609 PMAQI
10th Jul 20256110 PMAQI
10th Jul 20255811 PMAQI
11th Jul 20255612 AMAQI
11th Jul 2025581 AMAQI
11th Jul 2025582 AMAQI
11th Jul 2025583 AMAQI
11th Jul 2025594 AMAQI

28°C23/34°C

11th Jul 2025605 AMAQI
11th Jul 2025586 AMAQI
11th Jul 2025557 AMAQI
11th Jul 2025558 AMAQI
11th Jul 2025379 AMAQI
11th Jul 20253210 AMAQI
11th Jul 20253511 AMAQI
11th Jul 20253712 PMAQI
11th Jul 2025481 PMAQI
11th Jul 2025452 PMAQI
11th Jul 2025483 PMAQI
11th Jul 2025514 PMAQI
11th Jul 2025525 PMAQI
11th Jul 2025526 PMAQI
11th Jul 2025527 PMAQI
11th Jul 2025538 PMAQI
11th Jul 2025549 PMAQI
11th Jul 20255610 PMAQI
11th Jul 20255511 PMAQI
12th Jul 20255512 AMAQI
12th Jul 2025551 AMAQI
12th Jul 2025572 AMAQI
12th Jul 2025573 AMAQI
12th Jul 2025574 AMAQI

27°C22/34°C

12th Jul 2025575 AMAQI
12th Jul 2025566 AMAQI
12th Jul 2025577 AMAQI
12th Jul 2025578 AMAQI
12th Jul 2025419 AMAQI
12th Jul 20253710 AMAQI
12th Jul 20254811 AMAQI
12th Jul 20253912 PMAQI
12th Jul 2025491 PMAQI
12th Jul 2025462 PMAQI
12th Jul 2025453 PMAQI
12th Jul 2025474 PMAQI
12th Jul 2025485 PMAQI
12th Jul 2025466 PMAQI
12th Jul 2025517 PMAQI
12th Jul 2025568 PMAQI
12th Jul 2025569 PMAQI
12th Jul 20255610 PMAQI
12th Jul 20255711 PMAQI
13th Jul 20255712 AMAQI
13th Jul 2025561 AMAQI
13th Jul 2025562 AMAQI
13th Jul 2025563 AMAQI
13th Jul 2025564 AMAQI

26°C20/33°C

13th Jul 2025565 AMAQI
13th Jul 2025566 AMAQI
13th Jul 2025567 AMAQI
13th Jul 2025568 AMAQI
13th Jul 2025569 AMAQI
13th Jul 20256210 AMAQI
13th Jul 20256211 AMAQI
13th Jul 20256412 PMAQI
13th Jul 2025621 PMAQI
13th Jul 2025632 PMAQI
13th Jul 2025643 PMAQI
13th Jul 2025684 PMAQI
13th Jul 2025705 PMAQI
13th Jul 2025726 PMAQI
13th Jul 2025747 PMAQI
13th Jul 2025728 PMAQI
13th Jul 2025599 PMAQI
13th Jul 20255910 PMAQI
13th Jul 20255811 PMAQI
14th Jul 20255912 AMAQI
14th Jul 2025561 AMAQI
14th Jul 2025562 AMAQI
14th Jul 2025563 AMAQI
14th Jul 2025564 AMAQI

23°C19/27°C

14th Jul 2025585 AMAQI
14th Jul 2025576 AMAQI
14th Jul 2025587 AMAQI
14th Jul 2025588 AMAQI
14th Jul 2025599 AMAQI
14th Jul 20255910 AMAQI
14th Jul 20256411 AMAQI
14th Jul 20256712 PMAQI
14th Jul 2025631 PMAQI
14th Jul 2025642 PMAQI
14th Jul 2025643 PMAQI
14th Jul 2025644 PMAQI
14th Jul 2025605 PMAQI
14th Jul 2025526 PMAQI
14th Jul 2025507 PMAQI
14th Jul 2025498 PMAQI
14th Jul 2025559 PMAQI
14th Jul 20255510 PMAQI
14th Jul 20255511 PMAQI
15th Jul 20255512 AMAQI
15th Jul 2025561 AMAQI
15th Jul 2025582 AMAQI
15th Jul 2025583 AMAQI
15th Jul 2025584 AMAQI

23°C19/29°C

15th Jul 2025585 AMAQI
15th Jul 2025586 AMAQI
15th Jul 2025587 AMAQI
15th Jul 2025588 AMAQI
15th Jul 2025339 AMAQI
15th Jul 20253310 AMAQI
15th Jul 20252411 AMAQI
15th Jul 20252912 PMAQI
15th Jul 2025401 PMAQI
15th Jul 2025382 PMAQI
15th Jul 2025383 PMAQI
15th Jul 2025384 PMAQI
15th Jul 2025395 PMAQI
15th Jul 2025406 PMAQI
15th Jul 2025387 PMAQI
15th Jul 2025398 PMAQI
15th Jul 2025549 PMAQI
15th Jul 20255410 PMAQI
15th Jul 20255411 PMAQI
16th Jul 20255412 AMAQI
16th Jul 2025561 AMAQI
16th Jul 2025562 AMAQI
16th Jul 2025563 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 2025639 AMAQI
16th Jul 20256410 AMAQI
16th Jul 20256311 AMAQI
16th Jul 20256312 PMAQI
16th Jul 2025601 PMAQI
16th Jul 2025562 PMAQI
16th Jul 2025553 PMAQI
16th Jul 2025534 PMAQI
16th Jul 2025535 PMAQI
16th Jul 2025476 PMAQI
16th Jul 2025437 PMAQI
16th Jul 2025498 PMAQI
16th Jul 2025539 PMAQI
16th Jul 20255310 PMAQI
16th Jul 20255411 PMAQI
17th Jul 20255412 AMAQI
17th Jul 2025551 AMAQI
17th Jul 2025552 AMAQI
17th Jul 2025553 AMAQI
17th Jul 2025554 AMAQI

21°C19/24°C

17th Jul 2025555 AMAQI
17th Jul 2025556 AMAQI
17th Jul 2025557 AMAQI
17th Jul 2025558 AMAQI
17th Jul 2025399 AMAQI
17th Jul 20253310 AMAQI
17th Jul 20253311 AMAQI
17th Jul 20252512 PMAQI
17th Jul 2025271 PMAQI
17th Jul 2025302 PMAQI
17th Jul 2025273 PMAQI
17th Jul 2025294 PMAQI
17th Jul 2025285 PMAQI
17th Jul 2025286 PMAQI
17th Jul 2025287 PMAQI
17th Jul 2025328 PMAQI
17th Jul 2025479 PMAQI
17th Jul 20254810 PMAQI
17th Jul 20254911 PMAQI
18th Jul 20255012 AMAQI
18th Jul 2025531 AMAQI
18th Jul 2025552 AMAQI
18th Jul 2025563 AMAQI
18th Jul 2025554 AMAQI

23°C21/26°C

18th Jul 2025545 AMAQI
18th Jul 2025546 AMAQI
18th Jul 2025547 AMAQI
18th Jul 2025548 AMAQI
18th Jul 2025339 AMAQI
18th Jul 20253310 AMAQI
18th Jul 20252811 AMAQI
18th Jul 20252912 PMAQI
18th Jul 2025331 PMAQI
18th Jul 2025332 PMAQI
18th Jul 2025383 PMAQI
18th Jul 2025434 PMAQI
18th Jul 2025405 PMAQI
18th Jul 2025456 PMAQI
18th Jul 2025487 PMAQI
18th Jul 2025508 PMAQI
18th Jul 2025529 PMAQI
18th Jul 20255210 PMAQI
18th Jul 20255211 PMAQI
19th Jul 20255312 AMAQI
19th Jul 2025521 AMAQI
19th Jul 2025532 AMAQI
19th Jul 2025533 AMAQI
19th Jul 2025534 AMAQI

23°C22/25°C

19th Jul 2025525 AMAQI
19th Jul 2025526 AMAQI
19th Jul 2025527 AMAQI
19th Jul 2025528 AMAQI
19th Jul 2025239 AMAQI
19th Jul 20251410 AMAQI
19th Jul 20251311 AMAQI
19th Jul 20251412 PMAQI
19th Jul 2025211 PMAQI
19th Jul 2025212 PMAQI
19th Jul 2025223 PMAQI
19th Jul 2025244 PMAQI
19th Jul 2025255 PMAQI
19th Jul 2025276 PMAQI
19th Jul 2025267 PMAQI
19th Jul 2025338 PMAQI
19th Jul 2025429 PMAQI
19th Jul 20254210 PMAQI
19th Jul 20253811 PMAQI
20th Jul 20254012 AMAQI
20th Jul 2025481 AMAQI
20th Jul 2025522 AMAQI
20th Jul 2025523 AMAQI
20th Jul 2025504 AMAQI

25°C22/27°C

20th Jul 2025485 AMAQI
20th Jul 2025486 AMAQI
20th Jul 2025487 AMAQI
20th Jul 2025488 AMAQI
20th Jul 2025359 AMAQI
20th Jul 20252710 AMAQI
20th Jul 20253111 AMAQI
20th Jul 20253812 PMAQI
20th Jul 2025351 PMAQI
20th Jul 2025372 PMAQI
20th Jul 2025373 PMAQI
20th Jul 2025384 PMAQI
20th Jul 2025475 PMAQI
20th Jul 2025506 PMAQI
20th Jul 2025507 PMAQI
20th Jul 2025498 PMAQI
20th Jul 2025469 PMAQI
20th Jul 20254810 PMAQI
20th Jul 20254911 PMAQI
21st Jul 20254912 AMAQI
21st Jul 2025501 AMAQI
21st Jul 2025472 AMAQI
21st Jul 2025463 AMAQI
21st Jul 2025464 AMAQI

26°C22/32°C

21st Jul 2025455 AMAQI
21st Jul 2025466 AMAQI
21st Jul 2025447 AMAQI
21st Jul 2025458 AMAQI
21st Jul 2025469 AMAQI
21st Jul 20255410 AMAQI
21st Jul 20255211 AMAQI
21st Jul 20255212 PMAQI
21st Jul 2025391 PMAQI
21st Jul 2025332 PMAQI
21st Jul 2025323 PMAQI
21st Jul 2025334 PMAQI
21st Jul 2025275 PMAQI
21st Jul 2025246 PMAQI
21st Jul 2025227 PMAQI
21st Jul 2025278 PMAQI
21st Jul 2025379 PMAQI
21st Jul 20253810 PMAQI
21st Jul 20253711 PMAQI
22nd Jul 20253812 AMAQI
22nd Jul 2025451 AMAQI
22nd Jul 2025472 AMAQI
22nd Jul 2025483 AMAQI
22nd Jul 2025464 AMAQI

27°C23/31°C

22nd Jul 2025475 AMAQI
22nd Jul 2025476 AMAQI
22nd Jul 2025447 AMAQI
22nd Jul 2025458 AMAQI
22nd Jul 2025289 AMAQI
22nd Jul 20252510 AMAQI
22nd Jul 20252411 AMAQI
22nd Jul 20252412 PMAQI
22nd Jul 2025251 PMAQI
22nd Jul 2025252 PMAQI
22nd Jul 2025263 PMAQI
22nd Jul 2025244 PMAQI
22nd Jul 2025245 PMAQI
22nd Jul 2025286 PMAQI
22nd Jul 2025307 PMAQI
22nd Jul 2025348 PMAQI
22nd Jul 2025389 PMAQI
22nd Jul 20253810 PMAQI
22nd Jul 20253911 PMAQI
23rd Jul 20254012 AMAQI
23rd Jul 2025391 AMAQI
23rd Jul 2025402 AMAQI
23rd Jul 2025443 AMAQI
23rd Jul 2025444 AMAQI

26°C22/31°C

23rd Jul 2025405 AMAQI
23rd Jul 2025406 AMAQI
23rd Jul 2025417 AMAQI
23rd Jul 2025418 AMAQI
23rd Jul 2025329 AMAQI
23rd Jul 20254310 AMAQI
23rd Jul 20254211 AMAQI
23rd Jul 20255112 PMAQI
23rd Jul 2025471 PMAQI
23rd Jul 2025522 PMAQI
23rd Jul 2025543 PMAQI
23rd Jul 2025564 PMAQI
23rd Jul 2025545 PMAQI
23rd Jul 2025566 PMAQI
23rd Jul 2025547 PMAQI
23rd Jul 2025428 PMAQI
23rd Jul 2025459 PMAQI
23rd Jul 20254610 PMAQI
23rd Jul 20254811 PMAQI
24th Jul 20254912 AMAQI
24th Jul 2025421 AMAQI
24th Jul 2025422 AMAQI
24th Jul 2025423 AMAQI
24th Jul 2025424 AMAQI

26°C22/32°C

24th Jul 2025425 AMAQI
24th Jul 2025426 AMAQI
24th Jul 2025427 AMAQI
24th Jul 2025428 AMAQI
24th Jul 2025519 AMAQI
24th Jul 20255510 AMAQI
24th Jul 20255511 AMAQI
24th Jul 20255912 PMAQI
24th Jul 2025601 PMAQI
24th Jul 2025632 PMAQI
24th Jul 2025663 PMAQI
24th Jul 2025624 PMAQI
24th Jul 2025625 PMAQI
24th Jul 2025596 PMAQI
24th Jul 2025577 PMAQI
24th Jul 2025578 PMAQI
24th Jul 2025549 PMAQI
24th Jul 20255710 PMAQI
24th Jul 20255811 PMAQI
25th Jul 20255612 AMAQI
25th Jul 2025581 AMAQI
25th Jul 2025492 AMAQI
25th Jul 2025443 AMAQI
25th Jul 2025474 AMAQI

27°C22/34°C

25th Jul 2025515 AMAQI
25th Jul 2025516 AMAQI
25th Jul 2025527 AMAQI
25th Jul 2025518 AMAQI
25th Jul 2025669 AMAQI
25th Jul 20257210 AMAQI
25th Jul 20257211 AMAQI
25th Jul 20257012 PMAQI
25th Jul 2025591 PMAQI
25th Jul 2025542 PMAQI
25th Jul 2025543 PMAQI
25th Jul 2025584 PMAQI
25th Jul 2025585 PMAQI
25th Jul 2025626 PMAQI
25th Jul 2025627 PMAQI
25th Jul 2025658 PMAQI
25th Jul 2025609 PMAQI
25th Jul 20255710 PMAQI
25th Jul 20255811 PMAQI
26th Jul 20255912 AMAQI
26th Jul 2025521 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025523 AMAQI
26th Jul 2025544 AMAQI

28°C23/35°C

26th Jul 2025545 AMAQI
26th Jul 2025556 AMAQI
26th Jul 2025557 AMAQI
26th Jul 2025558 AMAQI
26th Jul 2025589 AMAQI
26th Jul 20255410 AMAQI
26th Jul 20254111 AMAQI
26th Jul 20254312 PMAQI
26th Jul 2025521 PMAQI
26th Jul 2025492 PMAQI
26th Jul 2025483 PMAQI
26th Jul 2025524 PMAQI
26th Jul 2025505 PMAQI
26th Jul 2025596 PMAQI
26th Jul 2025717 PMAQI
26th Jul 2025668 PMAQI
26th Jul 2025609 PMAQI
26th Jul 20256010 PMAQI
26th Jul 20255811 PMAQI
27th Jul 20255612 AMAQI
27th Jul 2025541 AMAQI
27th Jul 2025542 AMAQI
27th Jul 2025543 AMAQI
27th Jul 2025534 AMAQI

29°C24/35°C

27th Jul 2025545 AMAQI
27th Jul 2025546 AMAQI
27th Jul 2025547 AMAQI
27th Jul 2025548 AMAQI
27th Jul 2025429 AMAQI
27th Jul 20253010 AMAQI
27th Jul 20253311 AMAQI
27th Jul 20253312 PMAQI
27th Jul 2025281 PMAQI
27th Jul 2025312 PMAQI
27th Jul 2025343 PMAQI
27th Jul 2025334 PMAQI
27th Jul 2025395 PMAQI
27th Jul 2025416 PMAQI
27th Jul 2025487 PMAQI
27th Jul 2025548 PMAQI
27th Jul 2025549 PMAQI
27th Jul 20255410 PMAQI
27th Jul 20255411 PMAQI
28th Jul 20255412 AMAQI
28th Jul 2025551 AMAQI
28th Jul 2025552 AMAQI
28th Jul 2025553 AMAQI
28th Jul 2025554 AMAQI

29°C24/36°C

28th Jul 2025535 AMAQI
28th Jul 2025546 AMAQI
28th Jul 2025537 AMAQI
28th Jul 2025538 AMAQI
28th Jul 2025669 AMAQI
28th Jul 20256810 AMAQI
28th Jul 20256611 AMAQI
28th Jul 20256012 PMAQI
28th Jul 2025561 PMAQI
28th Jul 2025542 PMAQI
28th Jul 2025553 PMAQI
28th Jul 2025594 PMAQI
28th Jul 2025575 PMAQI
28th Jul 2025566 PMAQI
28th Jul 2025577 PMAQI
28th Jul 2025598 PMAQI
28th Jul 2025559 PMAQI
28th Jul 20255610 PMAQI
28th Jul 20255511 PMAQI
29th Jul 20255512 AMAQI
29th Jul 2025541 AMAQI
29th Jul 2025542 AMAQI
29th Jul 2025543 AMAQI
29th Jul 2025544 AMAQI

28°C24/34°C

29th Jul 2025555 AMAQI
29th Jul 2025546 AMAQI
29th Jul 2025547 AMAQI
29th Jul 2025548 AMAQI
29th Jul 2025679 AMAQI
29th Jul 20257510 AMAQI
29th Jul 20257611 AMAQI
29th Jul 20257312 PMAQI
29th Jul 2025701 PMAQI
29th Jul 2025672 PMAQI
29th Jul 2025643 PMAQI
29th Jul 2025584 PMAQI
29th Jul 2025575 PMAQI
29th Jul 2025586 PMAQI
29th Jul 2025587 PMAQI
29th Jul 2025578 PMAQI
29th Jul 2025559 PMAQI
29th Jul 20255710 PMAQI
29th Jul 20255611 PMAQI
30th Jul 20255612 AMAQI
30th Jul 2025541 AMAQI
30th Jul 2025542 AMAQI
30th Jul 2025543 AMAQI
30th Jul 2025554 AMAQI

28°C23/35°C

30th Jul 2025555 AMAQI
30th Jul 2025556 AMAQI
30th Jul 2025567 AMAQI
30th Jul 2025558 AMAQI
30th Jul 2025749 AMAQI
30th Jul 20258710 AMAQI
30th Jul 20258511 AMAQI
30th Jul 20258412 PMAQI
30th Jul 2025781 PMAQI
30th Jul 2025722 PMAQI
30th Jul 2025603 PMAQI
30th Jul 2025564 PMAQI
30th Jul 2025525 PMAQI
30th Jul 2025526 PMAQI
30th Jul 2025527 PMAQI
30th Jul 2025568 PMAQI
30th Jul 2025569 PMAQI
30th Jul 20255610 PMAQI
30th Jul 20255711 PMAQI
31st Jul 20255712 AMAQI
31st Jul 2025541 AMAQI
31st Jul 2025552 AMAQI
31st Jul 2025543 AMAQI
31st Jul 2025554 AMAQI

28°C23/35°C

31st Jul 2025555 AMAQI
31st Jul 2025556 AMAQI
31st Jul 2025557 AMAQI
31st Jul 2025558 AMAQI
31st Jul 2025559 AMAQI
31st Jul 20255510 AMAQI
31st Jul 20256211 AMAQI
31st Jul 20255812 PMAQI
31st Jul 2025581 PMAQI
31st Jul 2025562 PMAQI
31st Jul 2025553 PMAQI
31st Jul 2025544 PMAQI
31st Jul 2025505 PMAQI
31st Jul 2025466 PMAQI
31st Jul 2025547 PMAQI
31st Jul 2025548 PMAQI
31st Jul 2025539 PMAQI
31st Jul 20255210 PMAQI
31st Jul 20255411 PMAQI
1st Aug 20255512 AMAQI
1st Aug 2025541 AMAQI
1st Aug 2025542 AMAQI
1st Aug 2025543 AMAQI
1st Aug 2025554 AMAQI

27°C24/33°C

1st Aug 2025545 AMAQI
1st Aug 2025566 AMAQI
1st Aug 2025547 AMAQI
1st Aug 2025558 AMAQI
1st Aug 2025579 AMAQI
1st Aug 20256810 AMAQI
1st Aug 20256111 AMAQI
1st Aug 20256012 PMAQI
1st Aug 2025571 PMAQI
1st Aug 2025602 PMAQI
1st Aug 2025583 PMAQI
1st Aug 2025604 PMAQI
1st Aug 2025575 PMAQI
1st Aug 2025586 PMAQI
1st Aug 2025587 PMAQI
1st Aug 2025568 PMAQI
1st Aug 2025589 PMAQI
1st Aug 20256110 PMAQI
1st Aug 20255911 PMAQI
2nd Aug 20255912 AMAQI
2nd Aug 2025541 AMAQI
2nd Aug 2025552 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025554 AMAQI

27°C23/34°C

2nd Aug 2025555 AMAQI
2nd Aug 2025556 AMAQI
2nd Aug 2025557 AMAQI
2nd Aug 2025568 AMAQI
2nd Aug 2025709 AMAQI
2nd Aug 20256510 AMAQI
2nd Aug 20256911 AMAQI
2nd Aug 20257512 PMAQI
2nd Aug 2025731 PMAQI
2nd Aug 2025632 PMAQI
2nd Aug 2025563 PMAQI
2nd Aug 2025584 PMAQI
2nd Aug 2025675 PMAQI
2nd Aug 2025696 PMAQI
2nd Aug 2025647 PMAQI
2nd Aug 2025598 PMAQI
2nd Aug 2025599 PMAQI
2nd Aug 20256010 PMAQI
2nd Aug 20256111 PMAQI
3rd Aug 20255712 AMAQI
3rd Aug 2025541 AMAQI
3rd Aug 2025552 AMAQI
3rd Aug 2025553 AMAQI
3rd Aug 2025564 AMAQI

28°C24/34°C

3rd Aug 2025575 AMAQI
3rd Aug 2025586 AMAQI
3rd Aug 2025587 AMAQI
3rd Aug 2025588 AMAQI
3rd Aug 2025659 AMAQI
3rd Aug 20256810 AMAQI
3rd Aug 20256811 AMAQI
3rd Aug 20256512 PMAQI
3rd Aug 2025711 PMAQI
3rd Aug 2025682 PMAQI
3rd Aug 2025713 PMAQI
3rd Aug 2025694 PMAQI
3rd Aug 2025655 PMAQI
3rd Aug 2025656 PMAQI
3rd Aug 2025627 PMAQI
3rd Aug 2025588 PMAQI
3rd Aug 2025569 PMAQI
3rd Aug 20255410 PMAQI
3rd Aug 20255211 PMAQI
4th Aug 20255312 AMAQI
4th Aug 2025561 AMAQI
4th Aug 2025562 AMAQI

--°C/°C

5 AM
12 PM
7 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 7 PM

52AQI

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

52AQI

15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 PM (Avg. 52), while the lowest AQI was between 5 AM to 7 PM (Avg. 52).
Night time
Avg. Highest Time
12 AM - 11 PM

53AQI

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

53AQI

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. 53), while the lowest AQI was between 12 AM to 11 PM (Avg. 53).

2025 Days Vs Air Quality

Cheongyang Eup, Asan, Chungnam, South Korea

2025

19%

40

75%

161

6%

13

Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)

Good
40 Days
Moderate
161 Days
Poor
13 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 19%

Health Risk Level:

Extreme

In 2025, 19% of 215 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

Cheongyang Eup, Asan, 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
72AQI
2nd January 2025
62AQI
3rd January 2025
58AQI
4th January 2025
53AQI
5th January 2025
67AQI
6th January 2025
79AQI
7th January 2025
55AQI
8th January 2025
64AQI
9th January 2025
40AQI
10th January 2025
59AQI
11th January 2025
61AQI
12th January 2025
76AQI
13th January 2025
87AQI
14th January 2025
91AQI
15th January 2025
57AQI
16th January 2025
67AQI
17th January 2025
73AQI
18th January 2025
73AQI
19th January 2025
79AQI
20th January 2025
112AQI
21st January 2025
127AQI
22nd January 2025
134AQI
23rd January 2025
111AQI
24th January 2025
111AQI
25th January 2025
80AQI
26th January 2025
59AQI
27th January 2025
69AQI
28th January 2025
53AQI
29th January 2025
58AQI
30th January 2025
61AQI
31st January 2025
73AQI
1st February 2025
100AQI
2nd February 2025
101AQI
3rd February 2025
61AQI
4th February 2025
51AQI
5th February 2025
47AQI
6th February 2025
50AQI
7th February 2025
47AQI
8th February 2025
42AQI
9th February 2025
50AQI
10th February 2025
57AQI
11th February 2025
72AQI
12th February 2025
72AQI
13th February 2025
51AQI
14th February 2025
79AQI
15th February 2025
57AQI
16th February 2025
106AQI
17th February 2025
54AQI
18th February 2025
65AQI
19th February 2025
46AQI
20th February 2025
55AQI
21st February 2025
51AQI
22nd February 2025
59AQI
23rd February 2025
53AQI
24th February 2025
52AQI
25th February 2025
52AQI
26th February 2025
76AQI
27th February 2025
59AQI
28th February 2025
71AQI
1st March 2025
91AQI
2nd March 2025
67AQI
3rd March 2025
55AQI
4th March 2025
44AQI
5th March 2025
37AQI
6th March 2025
69AQI
7th March 2025
80AQI
8th March 2025
79AQI
9th March 2025
105AQI
10th March 2025
94AQI
11th March 2025
100AQI
12th March 2025
95AQI
13th March 2025
85AQI
14th March 2025
87AQI
15th March 2025
54AQI
16th March 2025
74AQI
17th March 2025
62AQI
18th March 2025
83AQI
19th March 2025
81AQI
20th March 2025
99AQI
21st March 2025
102AQI
22nd March 2025
113AQI
23rd March 2025
117AQI
24th March 2025
116AQI
25th March 2025
137AQI
26th March 2025
94AQI
27th March 2025
93AQI
28th March 2025
64AQI
29th March 2025
54AQI
30th March 2025
52AQI
31st March 2025
64AQI
1st April 2025
77AQI
2nd April 2025
79AQI
3rd April 2025
85AQI
4th April 2025
84AQI
5th April 2025
76AQI
6th April 2025
69AQI
7th April 2025
73AQI
8th April 2025
80AQI
9th April 2025
69AQI
10th April 2025
76AQI
11th April 2025
81AQI
12th April 2025
66AQI
13th April 2025
64AQI
14th April 2025
46AQI
15th April 2025
60AQI
16th April 2025
61AQI
17th April 2025
69AQI
18th April 2025
85AQI
19th April 2025
54AQI
20th April 2025
68AQI
21st April 2025
55AQI
22nd April 2025
50AQI
23rd April 2025
48AQI
24th April 2025
63AQI
25th April 2025
61AQI
26th April 2025
50AQI
27th April 2025
42AQI
28th April 2025
57AQI
29th April 2025
63AQI
30th April 2025
58AQI
1st May 2025
56AQI
2nd May 2025
51AQI
3rd May 2025
51AQI
4th May 2025
47AQI
5th May 2025
49AQI
6th May 2025
51AQI
7th May 2025
50AQI
8th May 2025
63AQI
9th May 2025
48AQI
10th May 2025
59AQI
11th May 2025
72AQI
12th May 2025
75AQI
13th May 2025
75AQI
14th May 2025
72AQI
15th May 2025
53AQI
16th May 2025
51AQI
17th May 2025
47AQI
18th May 2025
59AQI
19th May 2025
59AQI
20th May 2025
40AQI
21st May 2025
47AQI
22nd May 2025
49AQI
23rd May 2025
59AQI
24th May 2025
52AQI
25th May 2025
49AQI
26th May 2025
62AQI
27th May 2025
71AQI
28th May 2025
74AQI
29th May 2025
77AQI
30th May 2025
79AQI
31st May 2025
87AQI
1st June 2025
84AQI
2nd June 2025
96AQI
3rd June 2025
77AQI
4th June 2025
62AQI
5th June 2025
57AQI
6th June 2025
60AQI
7th June 2025
69AQI
8th June 2025
63AQI
9th June 2025
65AQI
10th June 2025
60AQI
11th June 2025
55AQI
12th June 2025
57AQI
13th June 2025
67AQI
14th June 2025
50AQI
15th June 2025
60AQI
16th June 2025
63AQI
17th June 2025
65AQI
18th June 2025
64AQI
19th June 2025
63AQI
20th June 2025
51AQI
21st June 2025
48AQI
22nd June 2025
43AQI
23rd June 2025
51AQI
24th June 2025
53AQI
25th June 2025
44AQI
26th June 2025
51AQI
27th June 2025
57AQI
28th June 2025
57AQI
29th June 2025
49AQI
30th June 2025
47AQI
1st July 2025
46AQI
2nd July 2025
48AQI
3rd July 2025
53AQI
4th July 2025
52AQI
5th July 2025
51AQI
6th July 2025
52AQI
7th July 2025
56AQI
8th July 2025
62AQI
9th July 2025
53AQI
10th July 2025
52AQI
11th July 2025
53AQI
12th July 2025
53AQI
13th July 2025
61AQI
14th July 2025
58AQI
15th July 2025
48AQI
16th July 2025
55AQI
17th July 2025
44AQI
18th July 2025
47AQI
19th July 2025
39AQI
20th July 2025
44AQI
21st July 2025
41AQI
22nd July 2025
36AQI
23rd July 2025
45AQI
24th July 2025
51AQI
25th July 2025
58AQI
26th July 2025
56AQI
27th July 2025
48AQI
28th July 2025
56AQI
29th July 2025
59AQI
30th July 2025
59AQI
31st July 2025
55AQI
1st August 2025
57AQI
2nd August 2025
59AQI

75AQI

62AQI

82AQI

66AQI

59AQI

60AQI

51AQI

58AQI

No. of days

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

202565AQI

1
25
5
6
20
2
2
23
6
5
25
9
22
6
24
11
20
2
40
161
13

Highest AQI recorded in

March

82AQI

Lowest AQI recorded in

July

51AQI

202458AQI

11
14
6
8
13
7
1
7
21
2
1
5
23
2
15
15
8
22
26
5
12
19
16
7
14
17
11
19
9
22
142
197
17
2

Highest AQI recorded in

February

72AQI

Lowest AQI recorded in

July

36AQI

202366AQI

3
20
6
2
14
10
4
4
21
6
5
19
6
7
22
2
5
25
15
16
13
17
18
12
15
16
10
19
8
18
5
103
219
35
6

Highest AQI recorded in

February

104AQI

Lowest AQI recorded in

September

46AQI

202268AQI

1
19
8
2
3
11
3
4
5
19
7
5
21
3
7
22
2
19
11
8
13
1
15
13
14
16
1
3
21
6
4
26
1
84
193
31
6

Highest AQI recorded in

February

90AQI

Lowest AQI recorded in

June

47AQI

202168AQI

4
22
4
4
15
7
2
2
17
10
1
1
2
27
1
9
18
2
1
1
5
24
1
21
10
22
9
28
2
12
19
8
18
2
2
10
13
8
127
194
35
4
2
2

Highest AQI recorded in

March

102AQI

Lowest AQI recorded in

September

35AQI

202062AQI

3
9
1
4
17
4
14
7
23
19
12
19
12
17
13
6
20
5
4
19
7
3
19
9
86
158
22

Highest AQI recorded in

December

80AQI

Lowest AQI recorded in

August

43AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2022(Avg.)
68AQI
Least Polluted Year Recorded
2024(Avg.)
58AQI

Cheongyang Eup's annual 2025 AQI (65) shows an average percentage change of 1.1% (worsened AQI) compared to previous years: 2020 (62), 2021 (68), 2022 (68), 2023 (66), 2024 (58).