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
Asan, Chungnam, South Korea
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
12th Aug 2021
93AQILowest AQI recorded on
24th Aug 2021
28AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 61 of Moderate air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
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
3PM3rd Aug
73AQI
Avg. Lowest Time
11PM3rd Aug
50AQI
In the last 24 hours,
Asan's AQI reached its highest point of 73 at 3 PM during the Night, while the lowest point, 50, was recorded at 11 PM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
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 2025449 AMAQI
5th Jul 20254310 AMAQI
5th Jul 20254511 AMAQI
5th Jul 20254612 PMAQI
5th Jul 2025501 PMAQI
5th Jul 2025482 PMAQI
5th Jul 2025473 PMAQI
5th Jul 2025474 PMAQI
5th Jul 2025475 PMAQI
5th Jul 2025476 PMAQI
5th Jul 2025477 PMAQI
5th Jul 2025478 PMAQI
5th Jul 2025509 PMAQI
5th Jul 20254810 PMAQI
5th Jul 20254811 PMAQI
6th Jul 20254812 AMAQI
6th Jul 2025511 AMAQI
6th Jul 2025522 AMAQI
6th Jul 2025513 AMAQI
6th Jul 2025504 AMAQI
25°C21/30°C
6th Jul 2025515 AMAQI
6th Jul 2025516 AMAQI
6th Jul 2025517 AMAQI
6th Jul 2025528 AMAQI
6th Jul 2025489 AMAQI
6th Jul 20254510 AMAQI
6th Jul 20255111 AMAQI
6th Jul 20255512 PMAQI
6th Jul 2025551 PMAQI
6th Jul 2025542 PMAQI
6th Jul 2025503 PMAQI
6th Jul 2025494 PMAQI
6th Jul 2025495 PMAQI
6th Jul 2025476 PMAQI
6th Jul 2025467 PMAQI
6th Jul 2025488 PMAQI
6th Jul 2025489 PMAQI
6th Jul 20254610 PMAQI
6th Jul 20254611 PMAQI
7th Jul 20254612 AMAQI
7th Jul 2025511 AMAQI
7th Jul 2025512 AMAQI
7th Jul 2025513 AMAQI
7th Jul 2025524 AMAQI
26°C22/31°C
7th Jul 2025525 AMAQI
7th Jul 2025526 AMAQI
7th Jul 2025527 AMAQI
7th Jul 2025528 AMAQI
7th Jul 2025509 AMAQI
7th Jul 20255510 AMAQI
7th Jul 20255811 AMAQI
7th Jul 20256012 PMAQI
7th Jul 2025671 PMAQI
7th Jul 2025692 PMAQI
7th Jul 2025693 PMAQI
7th Jul 2025694 PMAQI
7th Jul 2025665 PMAQI
7th Jul 2025646 PMAQI
7th Jul 2025647 PMAQI
7th Jul 2025638 PMAQI
7th Jul 2025579 PMAQI
7th Jul 20255710 PMAQI
7th Jul 20255711 PMAQI
8th Jul 20255712 AMAQI
8th Jul 2025581 AMAQI
8th Jul 2025552 AMAQI
8th Jul 2025523 AMAQI
8th Jul 2025524 AMAQI
28°C22/35°C
8th Jul 2025535 AMAQI
8th Jul 2025536 AMAQI
8th Jul 2025537 AMAQI
8th Jul 2025538 AMAQI
8th Jul 2025739 AMAQI
8th Jul 20257910 AMAQI
8th Jul 20257911 AMAQI
8th Jul 20258012 PMAQI
8th Jul 2025751 PMAQI
8th Jul 2025732 PMAQI
8th Jul 2025733 PMAQI
8th Jul 2025744 PMAQI
8th Jul 2025755 PMAQI
8th Jul 2025756 PMAQI
8th Jul 2025767 PMAQI
8th Jul 2025728 PMAQI
8th Jul 2025619 PMAQI
8th Jul 20255710 PMAQI
8th Jul 20255711 PMAQI
9th Jul 20255712 AMAQI
9th Jul 2025541 AMAQI
9th Jul 2025542 AMAQI
9th Jul 2025543 AMAQI
9th Jul 2025554 AMAQI
29°C24/36°C
9th Jul 2025575 AMAQI
9th Jul 2025576 AMAQI
9th Jul 2025577 AMAQI
9th Jul 2025578 AMAQI
9th Jul 2025549 AMAQI
9th Jul 20255210 AMAQI
9th Jul 20255111 AMAQI
9th Jul 20255012 PMAQI
9th Jul 2025511 PMAQI
9th Jul 2025512 PMAQI
9th Jul 2025503 PMAQI
9th Jul 2025484 PMAQI
9th Jul 2025485 PMAQI
9th Jul 2025436 PMAQI
9th Jul 2025447 PMAQI
9th Jul 2025508 PMAQI
9th Jul 2025549 PMAQI
9th Jul 20255510 PMAQI
9th Jul 20255511 PMAQI
10th Jul 20255412 AMAQI
10th Jul 2025551 AMAQI
10th Jul 2025552 AMAQI
10th Jul 2025563 AMAQI
10th Jul 2025564 AMAQI
29°C24/34°C
10th Jul 2025555 AMAQI
10th Jul 2025556 AMAQI
10th Jul 2025557 AMAQI
10th Jul 2025558 AMAQI
10th Jul 2025399 AMAQI
10th Jul 20253610 AMAQI
10th Jul 20253811 AMAQI
10th Jul 20254012 PMAQI
10th Jul 2025441 PMAQI
10th Jul 2025452 PMAQI
10th Jul 2025473 PMAQI
10th Jul 2025464 PMAQI
10th Jul 2025475 PMAQI
10th Jul 2025466 PMAQI
10th Jul 2025417 PMAQI
10th Jul 2025518 PMAQI
10th Jul 2025599 PMAQI
10th Jul 20256010 PMAQI
10th Jul 20255811 PMAQI
11th Jul 20255712 AMAQI
11th Jul 2025591 AMAQI
11th Jul 2025582 AMAQI
11th Jul 2025583 AMAQI
11th Jul 2025584 AMAQI
28°C22/34°C
11th Jul 2025595 AMAQI
11th Jul 2025586 AMAQI
11th Jul 2025557 AMAQI
11th Jul 2025548 AMAQI
11th Jul 2025419 AMAQI
11th Jul 20253410 AMAQI
11th Jul 20254111 AMAQI
11th Jul 20254312 PMAQI
11th Jul 2025501 PMAQI
11th Jul 2025452 PMAQI
11th Jul 2025503 PMAQI
11th Jul 2025534 PMAQI
11th Jul 2025535 PMAQI
11th Jul 2025546 PMAQI
11th Jul 2025537 PMAQI
11th Jul 2025548 PMAQI
11th Jul 2025559 PMAQI
11th Jul 20255310 PMAQI
11th Jul 20255311 PMAQI
12th Jul 20255312 AMAQI
12th Jul 2025541 AMAQI
12th Jul 2025582 AMAQI
12th Jul 2025583 AMAQI
12th Jul 2025574 AMAQI
27°C23/33°C
12th Jul 2025565 AMAQI
12th Jul 2025566 AMAQI
12th Jul 2025567 AMAQI
12th Jul 2025568 AMAQI
12th Jul 2025439 AMAQI
12th Jul 20253810 AMAQI
12th Jul 20254211 AMAQI
12th Jul 20254112 PMAQI
12th Jul 2025471 PMAQI
12th Jul 2025462 PMAQI
12th Jul 2025453 PMAQI
12th Jul 2025464 PMAQI
12th Jul 2025475 PMAQI
12th Jul 2025446 PMAQI
12th Jul 2025477 PMAQI
12th Jul 2025518 PMAQI
12th Jul 2025549 PMAQI
12th Jul 20255510 PMAQI
12th Jul 20255611 PMAQI
13th Jul 20255512 AMAQI
13th Jul 2025561 AMAQI
13th Jul 2025562 AMAQI
13th Jul 2025563 AMAQI
13th Jul 2025554 AMAQI
27°C20/34°C
13th Jul 2025555 AMAQI
13th Jul 2025556 AMAQI
13th Jul 2025557 AMAQI
13th Jul 2025558 AMAQI
13th Jul 2025569 AMAQI
13th Jul 20255910 AMAQI
13th Jul 20256011 AMAQI
13th Jul 20256212 PMAQI
13th Jul 2025631 PMAQI
13th Jul 2025642 PMAQI
13th Jul 2025663 PMAQI
13th Jul 2025694 PMAQI
13th Jul 2025695 PMAQI
13th Jul 2025696 PMAQI
13th Jul 2025697 PMAQI
13th Jul 2025698 PMAQI
13th Jul 2025609 PMAQI
13th Jul 20255910 PMAQI
13th Jul 20255811 PMAQI
14th Jul 20255712 AMAQI
14th Jul 2025551 AMAQI
14th Jul 2025552 AMAQI
14th Jul 2025553 AMAQI
14th Jul 2025564 AMAQI
23°C19/26°C
14th Jul 2025575 AMAQI
14th Jul 2025576 AMAQI
14th Jul 2025577 AMAQI
14th Jul 2025578 AMAQI
14th Jul 2025579 AMAQI
14th Jul 20255810 AMAQI
14th Jul 20256211 AMAQI
14th Jul 20256612 PMAQI
14th Jul 2025641 PMAQI
14th Jul 2025652 PMAQI
14th Jul 2025643 PMAQI
14th Jul 2025634 PMAQI
14th Jul 2025555 PMAQI
14th Jul 2025476 PMAQI
14th Jul 2025427 PMAQI
14th Jul 2025448 PMAQI
14th Jul 2025529 PMAQI
14th Jul 20255210 PMAQI
14th Jul 20255111 PMAQI
15th Jul 20255212 AMAQI
15th Jul 2025551 AMAQI
15th Jul 2025572 AMAQI
15th Jul 2025563 AMAQI
15th Jul 2025574 AMAQI
24°C20/29°C
15th Jul 2025585 AMAQI
15th Jul 2025586 AMAQI
15th Jul 2025587 AMAQI
15th Jul 2025578 AMAQI
15th Jul 2025349 AMAQI
15th Jul 20252610 AMAQI
15th Jul 20252111 AMAQI
15th Jul 20252412 PMAQI
15th Jul 2025351 PMAQI
15th Jul 2025342 PMAQI
15th Jul 2025363 PMAQI
15th Jul 2025344 PMAQI
15th Jul 2025355 PMAQI
15th Jul 2025336 PMAQI
15th Jul 2025337 PMAQI
15th Jul 2025398 PMAQI
15th Jul 2025519 PMAQI
15th Jul 20255110 PMAQI
15th Jul 20255011 PMAQI
16th Jul 20255212 AMAQI
16th Jul 2025551 AMAQI
16th Jul 2025562 AMAQI
16th Jul 2025563 AMAQI
16th Jul 2025554 AMAQI
22°C20/27°C
16th Jul 2025545 AMAQI
16th Jul 2025546 AMAQI
16th Jul 2025547 AMAQI
16th Jul 2025548 AMAQI
16th Jul 2025599 AMAQI
16th Jul 20255910 AMAQI
16th Jul 20255911 AMAQI
16th Jul 20255812 PMAQI
16th Jul 2025571 PMAQI
16th Jul 2025552 PMAQI
16th Jul 2025543 PMAQI
16th Jul 2025494 PMAQI
16th Jul 2025505 PMAQI
16th Jul 2025436 PMAQI
16th Jul 2025387 PMAQI
16th Jul 2025458 PMAQI
16th Jul 2025519 PMAQI
16th Jul 20255210 PMAQI
16th Jul 20255211 PMAQI
17th Jul 20255312 AMAQI
17th Jul 2025541 AMAQI
17th Jul 2025542 AMAQI
17th Jul 2025543 AMAQI
17th Jul 2025544 AMAQI
21°C19/24°C
17th Jul 2025555 AMAQI
17th Jul 2025556 AMAQI
17th Jul 2025557 AMAQI
17th Jul 2025558 AMAQI
17th Jul 2025369 AMAQI
17th Jul 20253010 AMAQI
17th Jul 20252911 AMAQI
17th Jul 20252312 PMAQI
17th Jul 2025261 PMAQI
17th Jul 2025272 PMAQI
17th Jul 2025263 PMAQI
17th Jul 2025284 PMAQI
17th Jul 2025295 PMAQI
17th Jul 2025276 PMAQI
17th Jul 2025267 PMAQI
17th Jul 2025328 PMAQI
17th Jul 2025469 PMAQI
17th Jul 20254610 PMAQI
17th Jul 20254711 PMAQI
18th Jul 20254812 AMAQI
18th Jul 2025521 AMAQI
18th Jul 2025542 AMAQI
18th Jul 2025553 AMAQI
18th Jul 2025544 AMAQI
24°C21/27°C
18th Jul 2025525 AMAQI
18th Jul 2025536 AMAQI
18th Jul 2025537 AMAQI
18th Jul 2025538 AMAQI
18th Jul 2025329 AMAQI
18th Jul 20252810 AMAQI
18th Jul 20252711 AMAQI
18th Jul 20252912 PMAQI
18th Jul 2025341 PMAQI
18th Jul 2025332 PMAQI
18th Jul 2025373 PMAQI
18th Jul 2025404 PMAQI
18th Jul 2025405 PMAQI
18th Jul 2025426 PMAQI
18th Jul 2025477 PMAQI
18th Jul 2025498 PMAQI
18th Jul 2025509 PMAQI
18th Jul 20255010 PMAQI
18th Jul 20255011 PMAQI
19th Jul 20255112 AMAQI
19th Jul 2025521 AMAQI
19th Jul 2025522 AMAQI
19th Jul 2025523 AMAQI
19th Jul 2025514 AMAQI
24°C22/26°C
19th Jul 2025505 AMAQI
19th Jul 2025506 AMAQI
19th Jul 2025507 AMAQI
19th Jul 2025508 AMAQI
19th Jul 2025239 AMAQI
19th Jul 20251510 AMAQI
19th Jul 20251411 AMAQI
19th Jul 20251512 PMAQI
19th Jul 2025221 PMAQI
19th Jul 2025202 PMAQI
19th Jul 2025203 PMAQI
19th Jul 2025234 PMAQI
19th Jul 2025235 PMAQI
19th Jul 2025246 PMAQI
19th Jul 2025247 PMAQI
19th Jul 2025308 PMAQI
19th Jul 2025409 PMAQI
19th Jul 20254010 PMAQI
19th Jul 20253811 PMAQI
20th Jul 20253812 AMAQI
20th Jul 2025461 AMAQI
20th Jul 2025512 AMAQI
20th Jul 2025513 AMAQI
20th Jul 2025494 AMAQI
25°C22/28°C
20th Jul 2025465 AMAQI
20th Jul 2025466 AMAQI
20th Jul 2025467 AMAQI
20th Jul 2025468 AMAQI
20th Jul 2025359 AMAQI
20th Jul 20252610 AMAQI
20th Jul 20252911 AMAQI
20th Jul 20253512 PMAQI
20th Jul 2025341 PMAQI
20th Jul 2025352 PMAQI
20th Jul 2025363 PMAQI
20th Jul 2025364 PMAQI
20th Jul 2025485 PMAQI
20th Jul 2025496 PMAQI
20th Jul 2025507 PMAQI
20th Jul 2025498 PMAQI
20th Jul 2025479 PMAQI
20th Jul 20254810 PMAQI
20th Jul 20254911 PMAQI
21st Jul 20254912 AMAQI
21st Jul 2025471 AMAQI
21st Jul 2025472 AMAQI
21st Jul 2025463 AMAQI
21st Jul 2025454 AMAQI
26°C22/32°C
21st Jul 2025435 AMAQI
21st Jul 2025446 AMAQI
21st Jul 2025437 AMAQI
21st Jul 2025438 AMAQI
21st Jul 2025479 AMAQI
21st Jul 20255410 AMAQI
21st Jul 20254811 AMAQI
21st Jul 20254812 PMAQI
21st Jul 2025381 PMAQI
21st Jul 2025332 PMAQI
21st Jul 2025333 PMAQI
21st Jul 2025324 PMAQI
21st Jul 2025295 PMAQI
21st Jul 2025266 PMAQI
21st Jul 2025237 PMAQI
21st Jul 2025278 PMAQI
21st Jul 2025379 PMAQI
21st Jul 20253710 PMAQI
21st Jul 20253711 PMAQI
22nd Jul 20253812 AMAQI
22nd Jul 2025451 AMAQI
22nd Jul 2025462 AMAQI
22nd Jul 2025463 AMAQI
22nd Jul 2025464 AMAQI
26°C23/31°C
22nd Jul 2025465 AMAQI
22nd Jul 2025476 AMAQI
22nd Jul 2025467 AMAQI
22nd Jul 2025468 AMAQI
22nd Jul 2025289 AMAQI
22nd Jul 20252510 AMAQI
22nd Jul 20252411 AMAQI
22nd Jul 20252412 PMAQI
22nd Jul 2025241 PMAQI
22nd Jul 2025232 PMAQI
22nd Jul 2025253 PMAQI
22nd Jul 2025264 PMAQI
22nd Jul 2025275 PMAQI
22nd Jul 2025316 PMAQI
22nd Jul 2025317 PMAQI
22nd Jul 2025358 PMAQI
22nd Jul 2025409 PMAQI
22nd Jul 20253810 PMAQI
22nd Jul 20254011 PMAQI
23rd Jul 20253912 AMAQI
23rd Jul 2025401 AMAQI
23rd Jul 2025402 AMAQI
23rd Jul 2025453 AMAQI
23rd Jul 2025444 AMAQI
27°C23/31°C
23rd Jul 2025415 AMAQI
23rd Jul 2025416 AMAQI
23rd Jul 2025427 AMAQI
23rd Jul 2025418 AMAQI
23rd Jul 2025349 AMAQI
23rd Jul 20253810 AMAQI
23rd Jul 20254211 AMAQI
23rd Jul 20255012 PMAQI
23rd Jul 2025471 PMAQI
23rd Jul 2025462 PMAQI
23rd Jul 2025473 PMAQI
23rd Jul 2025494 PMAQI
23rd Jul 2025535 PMAQI
23rd Jul 2025546 PMAQI
23rd Jul 2025547 PMAQI
23rd Jul 2025478 PMAQI
23rd Jul 2025489 PMAQI
23rd Jul 20254910 PMAQI
23rd Jul 20255011 PMAQI
24th Jul 20255012 AMAQI
24th Jul 2025431 AMAQI
24th Jul 2025422 AMAQI
24th Jul 2025423 AMAQI
24th Jul 2025434 AMAQI
27°C23/32°C
24th Jul 2025445 AMAQI
24th Jul 2025436 AMAQI
24th Jul 2025437 AMAQI
24th Jul 2025438 AMAQI
24th Jul 2025539 AMAQI
24th Jul 20255610 AMAQI
24th Jul 20255611 AMAQI
24th Jul 20256012 PMAQI
24th Jul 2025601 PMAQI
24th Jul 2025622 PMAQI
24th Jul 2025613 PMAQI
24th Jul 2025614 PMAQI
24th Jul 2025615 PMAQI
24th Jul 2025626 PMAQI
24th Jul 2025607 PMAQI
24th Jul 2025598 PMAQI
24th Jul 2025549 PMAQI
24th Jul 20255810 PMAQI
24th Jul 20255811 PMAQI
25th Jul 20255912 AMAQI
25th Jul 2025591 AMAQI
25th Jul 2025502 AMAQI
25th Jul 2025463 AMAQI
25th Jul 2025474 AMAQI
27°C23/34°C
25th Jul 2025515 AMAQI
25th Jul 2025506 AMAQI
25th Jul 2025507 AMAQI
25th Jul 2025508 AMAQI
25th Jul 2025699 AMAQI
25th Jul 20257510 AMAQI
25th Jul 20257011 AMAQI
25th Jul 20256712 PMAQI
25th Jul 2025571 PMAQI
25th Jul 2025532 PMAQI
25th Jul 2025523 PMAQI
25th Jul 2025514 PMAQI
25th Jul 2025555 PMAQI
25th Jul 2025546 PMAQI
25th Jul 2025537 PMAQI
25th Jul 2025588 PMAQI
25th Jul 2025589 PMAQI
25th Jul 20255710 PMAQI
25th Jul 20255811 PMAQI
26th Jul 20255812 AMAQI
26th Jul 2025531 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025523 AMAQI
26th Jul 2025534 AMAQI
28°C23/34°C
26th Jul 2025545 AMAQI
26th Jul 2025546 AMAQI
26th Jul 2025547 AMAQI
26th Jul 2025548 AMAQI
26th Jul 2025529 AMAQI
26th Jul 20254410 AMAQI
26th Jul 20253611 AMAQI
26th Jul 20253512 PMAQI
26th Jul 2025401 PMAQI
26th Jul 2025462 PMAQI
26th Jul 2025423 PMAQI
26th Jul 2025404 PMAQI
26th Jul 2025385 PMAQI
26th Jul 2025386 PMAQI
26th Jul 2025457 PMAQI
26th Jul 2025508 PMAQI
26th Jul 2025549 PMAQI
26th Jul 20255410 PMAQI
26th Jul 20255411 PMAQI
27th Jul 20255312 AMAQI
27th Jul 2025541 AMAQI
27th Jul 2025542 AMAQI
27th Jul 2025543 AMAQI
27th Jul 2025534 AMAQI
28°C24/34°C
27th Jul 2025535 AMAQI
27th Jul 2025536 AMAQI
27th Jul 2025537 AMAQI
27th Jul 2025538 AMAQI
27th Jul 2025409 AMAQI
27th Jul 20252810 AMAQI
27th Jul 20252811 AMAQI
27th Jul 20252612 PMAQI
27th Jul 2025281 PMAQI
27th Jul 2025282 PMAQI
27th Jul 2025293 PMAQI
27th Jul 2025274 PMAQI
27th Jul 2025325 PMAQI
27th Jul 2025326 PMAQI
27th Jul 2025367 PMAQI
27th Jul 2025398 PMAQI
27th Jul 2025479 PMAQI
27th Jul 20255010 PMAQI
27th Jul 20255211 PMAQI
28th Jul 20255212 AMAQI
28th Jul 2025541 AMAQI
28th Jul 2025542 AMAQI
28th Jul 2025543 AMAQI
28th Jul 2025534 AMAQI
29°C24/35°C
28th Jul 2025515 AMAQI
28th Jul 2025516 AMAQI
28th Jul 2025517 AMAQI
28th Jul 2025528 AMAQI
28th Jul 2025569 AMAQI
28th Jul 20256010 AMAQI
28th Jul 20256111 AMAQI
28th Jul 20256212 PMAQI
28th Jul 2025571 PMAQI
28th Jul 2025592 PMAQI
28th Jul 2025543 PMAQI
28th Jul 2025534 PMAQI
28th Jul 2025515 PMAQI
28th Jul 2025536 PMAQI
28th Jul 2025587 PMAQI
28th Jul 2025608 PMAQI
28th Jul 2025569 PMAQI
28th Jul 20255810 PMAQI
28th Jul 20255611 PMAQI
29th Jul 20255512 AMAQI
29th Jul 2025541 AMAQI
29th Jul 2025532 AMAQI
29th Jul 2025533 AMAQI
29th Jul 2025534 AMAQI
28°C24/35°C
29th Jul 2025545 AMAQI
29th Jul 2025546 AMAQI
29th Jul 2025547 AMAQI
29th Jul 2025548 AMAQI
29th Jul 2025659 AMAQI
29th Jul 20257310 AMAQI
29th Jul 20257811 AMAQI
29th Jul 20257812 PMAQI
29th Jul 2025751 PMAQI
29th Jul 2025732 PMAQI
29th Jul 2025653 PMAQI
29th Jul 2025564 PMAQI
29th Jul 2025555 PMAQI
29th Jul 2025566 PMAQI
29th Jul 2025517 PMAQI
29th Jul 2025538 PMAQI
29th Jul 2025579 PMAQI
29th Jul 20256010 PMAQI
29th Jul 20255911 PMAQI
30th Jul 20255912 AMAQI
30th Jul 2025541 AMAQI
30th Jul 2025542 AMAQI
30th Jul 2025543 AMAQI
30th Jul 2025554 AMAQI
28°C23/34°C
30th Jul 2025575 AMAQI
30th Jul 2025576 AMAQI
30th Jul 2025577 AMAQI
30th Jul 2025578 AMAQI
30th Jul 2025709 AMAQI
30th Jul 20257710 AMAQI
30th Jul 20257511 AMAQI
30th Jul 20257112 PMAQI
30th Jul 2025701 PMAQI
30th Jul 2025622 PMAQI
30th Jul 2025483 PMAQI
30th Jul 2025424 PMAQI
30th Jul 2025385 PMAQI
30th Jul 2025396 PMAQI
30th Jul 2025397 PMAQI
30th Jul 2025458 PMAQI
30th Jul 2025559 PMAQI
30th Jul 20255610 PMAQI
30th Jul 20255611 PMAQI
31st Jul 20255612 AMAQI
31st Jul 2025551 AMAQI
31st Jul 2025562 AMAQI
31st Jul 2025563 AMAQI
31st Jul 2025564 AMAQI
28°C23/34°C
31st Jul 2025565 AMAQI
31st Jul 2025566 AMAQI
31st Jul 2025567 AMAQI
31st Jul 2025568 AMAQI
31st Jul 2025569 AMAQI
31st Jul 20255610 AMAQI
31st Jul 20255811 AMAQI
31st Jul 20255512 PMAQI
31st Jul 2025521 PMAQI
31st Jul 2025522 PMAQI
31st Jul 2025463 PMAQI
31st Jul 2025474 PMAQI
31st Jul 2025435 PMAQI
31st Jul 2025436 PMAQI
31st Jul 2025507 PMAQI
31st Jul 2025538 PMAQI
31st Jul 2025539 PMAQI
31st Jul 20255310 PMAQI
31st Jul 20255411 PMAQI
1st Aug 20255512 AMAQI
1st Aug 2025551 AMAQI
1st Aug 2025542 AMAQI
1st Aug 2025543 AMAQI
1st Aug 2025554 AMAQI
27°C23/34°C
1st Aug 2025555 AMAQI
1st Aug 2025566 AMAQI
1st Aug 2025557 AMAQI
1st Aug 2025558 AMAQI
1st Aug 2025589 AMAQI
1st Aug 20256510 AMAQI
1st Aug 20256111 AMAQI
1st Aug 20256012 PMAQI
1st Aug 2025571 PMAQI
1st Aug 2025592 PMAQI
1st Aug 2025563 PMAQI
1st Aug 2025524 PMAQI
1st Aug 2025545 PMAQI
1st Aug 2025586 PMAQI
1st Aug 2025577 PMAQI
1st Aug 2025558 PMAQI
1st Aug 2025589 PMAQI
1st Aug 20255910 PMAQI
1st Aug 20255811 PMAQI
2nd Aug 20255812 AMAQI
2nd Aug 2025541 AMAQI
2nd Aug 2025552 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025554 AMAQI
28°C23/34°C
2nd Aug 2025555 AMAQI
2nd Aug 2025556 AMAQI
2nd Aug 2025567 AMAQI
2nd Aug 2025568 AMAQI
2nd Aug 2025729 AMAQI
2nd Aug 20257310 AMAQI
2nd Aug 20257311 AMAQI
2nd Aug 20257812 PMAQI
2nd Aug 2025761 PMAQI
2nd Aug 2025622 PMAQI
2nd Aug 2025543 PMAQI
2nd Aug 2025584 PMAQI
2nd Aug 2025615 PMAQI
2nd Aug 2025676 PMAQI
2nd Aug 2025627 PMAQI
2nd Aug 2025588 PMAQI
2nd Aug 2025599 PMAQI
2nd Aug 20255910 PMAQI
2nd Aug 20256111 PMAQI
3rd Aug 20255712 AMAQI
3rd Aug 2025541 AMAQI
3rd Aug 2025552 AMAQI
3rd Aug 2025553 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 2025659 AMAQI
3rd Aug 20256810 AMAQI
3rd Aug 20257011 AMAQI
3rd Aug 20256912 PMAQI
3rd Aug 2025721 PMAQI
3rd Aug 2025722 PMAQI
3rd Aug 2025733 PMAQI
3rd Aug 2025694 PMAQI
3rd Aug 2025675 PMAQI
3rd Aug 2025656 PMAQI
3rd Aug 2025647 PMAQI
3rd Aug 2025598 PMAQI
3rd Aug 2025579 PMAQI
3rd Aug 20255510 PMAQI
3rd Aug 20255011 PMAQI
4th Aug 20255212 AMAQI
4th Aug 2025551 AMAQI
4th Aug 2025562 AMAQI
4th Aug 2025573 AMAQI
4th Aug 2025584 AMAQI
--°C/°C
4th Aug 2025595 AMAQI
5 AM4th Aug 2025596 AMAQI
4th Aug 2025587 AMAQI
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 AM
53AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
9 AM - 7 PM
49AQI
11 hours / Day
330 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 53), while the lowest AQI was between 9 AM to 7 PM (Avg. 49).
Night time
Avg. Highest Time
12 AM - 4 AM
53AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
8 PM - 11 PM
52AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 53), while the lowest AQI was between 8 PM to 11 PM (Avg. 52).
2025 Days Vs Air Quality
Asan, Chungnam, South Korea
2025
25%
54
70%
150
5%
10
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
54 DaysModerate
150 DaysPoor
10 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 25%
Health Risk Level:
Very high
In 2025, 25% of 215 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
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
71AQI
71AQI
2nd January 2025
61AQI
61AQI
3rd January 2025
58AQI
58AQI
4th January 2025
57AQI
57AQI
5th January 2025
69AQI
69AQI
6th January 2025
77AQI
77AQI
7th January 2025
56AQI
56AQI
8th January 2025
64AQI
64AQI
9th January 2025
41AQI
41AQI
10th January 2025
60AQI
60AQI
11th January 2025
62AQI
62AQI
12th January 2025
76AQI
76AQI
13th January 2025
88AQI
88AQI
14th January 2025
88AQI
88AQI
15th January 2025
58AQI
58AQI
16th January 2025
68AQI
68AQI
17th January 2025
78AQI
78AQI
18th January 2025
77AQI
77AQI
19th January 2025
83AQI
83AQI
20th January 2025
110AQI
110AQI
21st January 2025
132AQI
132AQI
22nd January 2025
134AQI
134AQI
23rd January 2025
110AQI
110AQI
24th January 2025
109AQI
109AQI
25th January 2025
79AQI
79AQI
26th January 2025
58AQI
58AQI
27th January 2025
67AQI
67AQI
28th January 2025
51AQI
51AQI
29th January 2025
57AQI
57AQI
30th January 2025
61AQI
61AQI
31st January 2025
77AQI
77AQI
1st February 2025
90AQI
90AQI
2nd February 2025
95AQI
95AQI
3rd February 2025
60AQI
60AQI
4th February 2025
52AQI
52AQI
5th February 2025
48AQI
48AQI
6th February 2025
53AQI
53AQI
7th February 2025
48AQI
48AQI
8th February 2025
44AQI
44AQI
9th February 2025
52AQI
52AQI
10th February 2025
58AQI
58AQI
11th February 2025
73AQI
73AQI
12th February 2025
69AQI
69AQI
13th February 2025
51AQI
51AQI
14th February 2025
77AQI
77AQI
15th February 2025
56AQI
56AQI
16th February 2025
106AQI
106AQI
17th February 2025
52AQI
52AQI
18th February 2025
62AQI
62AQI
19th February 2025
47AQI
47AQI
20th February 2025
54AQI
54AQI
21st February 2025
51AQI
51AQI
22nd February 2025
58AQI
58AQI
23rd February 2025
52AQI
52AQI
24th February 2025
52AQI
52AQI
25th February 2025
54AQI
54AQI
26th February 2025
71AQI
71AQI
27th February 2025
61AQI
61AQI
28th February 2025
69AQI
69AQI
1st March 2025
93AQI
93AQI
2nd March 2025
68AQI
68AQI
3rd March 2025
55AQI
55AQI
4th March 2025
45AQI
45AQI
5th March 2025
41AQI
41AQI
6th March 2025
67AQI
67AQI
7th March 2025
78AQI
78AQI
8th March 2025
77AQI
77AQI
9th March 2025
95AQI
95AQI
10th March 2025
90AQI
90AQI
11th March 2025
95AQI
95AQI
12th March 2025
91AQI
91AQI
13th March 2025
81AQI
81AQI
14th March 2025
82AQI
82AQI
15th March 2025
49AQI
49AQI
16th March 2025
69AQI
69AQI
17th March 2025
61AQI
61AQI
18th March 2025
78AQI
78AQI
19th March 2025
80AQI
80AQI
20th March 2025
95AQI
95AQI
21st March 2025
97AQI
97AQI
22nd March 2025
108AQI
108AQI
23rd March 2025
112AQI
112AQI
24th March 2025
109AQI
109AQI
25th March 2025
129AQI
129AQI
26th March 2025
88AQI
88AQI
27th March 2025
88AQI
88AQI
28th March 2025
62AQI
62AQI
29th March 2025
52AQI
52AQI
30th March 2025
51AQI
51AQI
31st March 2025
62AQI
62AQI
1st April 2025
72AQI
72AQI
2nd April 2025
79AQI
79AQI
3rd April 2025
80AQI
80AQI
4th April 2025
80AQI
80AQI
5th April 2025
70AQI
70AQI
6th April 2025
66AQI
66AQI
7th April 2025
69AQI
69AQI
8th April 2025
74AQI
74AQI
9th April 2025
66AQI
66AQI
10th April 2025
73AQI
73AQI
11th April 2025
79AQI
79AQI
12th April 2025
62AQI
62AQI
13th April 2025
61AQI
61AQI
14th April 2025
45AQI
45AQI
15th April 2025
56AQI
56AQI
16th April 2025
62AQI
62AQI
17th April 2025
64AQI
64AQI
18th April 2025
78AQI
78AQI
19th April 2025
50AQI
50AQI
20th April 2025
64AQI
64AQI
21st April 2025
50AQI
50AQI
22nd April 2025
46AQI
46AQI
23rd April 2025
42AQI
42AQI
24th April 2025
58AQI
58AQI
25th April 2025
58AQI
58AQI
26th April 2025
48AQI
48AQI
27th April 2025
41AQI
41AQI
28th April 2025
53AQI
53AQI
29th April 2025
62AQI
62AQI
30th April 2025
59AQI
59AQI
1st May 2025
54AQI
54AQI
2nd May 2025
50AQI
50AQI
3rd May 2025
49AQI
49AQI
4th May 2025
47AQI
47AQI
5th May 2025
48AQI
48AQI
6th May 2025
47AQI
47AQI
7th May 2025
50AQI
50AQI
8th May 2025
62AQI
62AQI
9th May 2025
45AQI
45AQI
10th May 2025
53AQI
53AQI
11th May 2025
66AQI
66AQI
12th May 2025
69AQI
69AQI
13th May 2025
72AQI
72AQI
14th May 2025
72AQI
72AQI
15th May 2025
51AQI
51AQI
16th May 2025
47AQI
47AQI
17th May 2025
45AQI
45AQI
18th May 2025
58AQI
58AQI
19th May 2025
57AQI
57AQI
20th May 2025
39AQI
39AQI
21st May 2025
45AQI
45AQI
22nd May 2025
49AQI
49AQI
23rd May 2025
57AQI
57AQI
24th May 2025
49AQI
49AQI
25th May 2025
47AQI
47AQI
26th May 2025
60AQI
60AQI
27th May 2025
69AQI
69AQI
28th May 2025
71AQI
71AQI
29th May 2025
75AQI
75AQI
30th May 2025
75AQI
75AQI
31st May 2025
80AQI
80AQI
1st June 2025
82AQI
82AQI
2nd June 2025
91AQI
91AQI
3rd June 2025
74AQI
74AQI
4th June 2025
60AQI
60AQI
5th June 2025
56AQI
56AQI
6th June 2025
60AQI
60AQI
7th June 2025
66AQI
66AQI
8th June 2025
60AQI
60AQI
9th June 2025
61AQI
61AQI
10th June 2025
57AQI
57AQI
11th June 2025
53AQI
53AQI
12th June 2025
57AQI
57AQI
13th June 2025
65AQI
65AQI
14th June 2025
46AQI
46AQI
15th June 2025
55AQI
55AQI
16th June 2025
61AQI
61AQI
17th June 2025
62AQI
62AQI
18th June 2025
63AQI
63AQI
19th June 2025
62AQI
62AQI
20th June 2025
47AQI
47AQI
21st June 2025
43AQI
43AQI
22nd June 2025
37AQI
37AQI
23rd June 2025
48AQI
48AQI
24th June 2025
49AQI
49AQI
25th June 2025
40AQI
40AQI
26th June 2025
49AQI
49AQI
27th June 2025
58AQI
58AQI
28th June 2025
57AQI
57AQI
29th June 2025
46AQI
46AQI
30th June 2025
45AQI
45AQI
1st July 2025
44AQI
44AQI
2nd July 2025
44AQI
44AQI
3rd July 2025
52AQI
52AQI
4th July 2025
50AQI
50AQI
5th July 2025
49AQI
49AQI
6th July 2025
50AQI
50AQI
7th July 2025
57AQI
57AQI
8th July 2025
64AQI
64AQI
9th July 2025
53AQI
53AQI
10th July 2025
51AQI
51AQI
11th July 2025
53AQI
53AQI
12th July 2025
51AQI
51AQI
13th July 2025
60AQI
60AQI
14th July 2025
56AQI
56AQI
15th July 2025
45AQI
45AQI
16th July 2025
53AQI
53AQI
17th July 2025
42AQI
42AQI
18th July 2025
46AQI
46AQI
19th July 2025
36AQI
36AQI
20th July 2025
44AQI
44AQI
21st July 2025
40AQI
40AQI
22nd July 2025
36AQI
36AQI
23rd July 2025
45AQI
45AQI
24th July 2025
53AQI
53AQI
25th July 2025
56AQI
56AQI
26th July 2025
49AQI
49AQI
27th July 2025
43AQI
43AQI
28th July 2025
55AQI
55AQI
29th July 2025
59AQI
59AQI
30th July 2025
55AQI
55AQI
31st July 2025
53AQI
53AQI
1st August 2025
57AQI
57AQI
2nd August 2025
61AQI
61AQI
75AQI
61AQI
79AQI
62AQI
57AQI
57AQI
50AQI
59AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202563AQI
1
25
5
4
23
1
3
24
4
7
23
14
17
10
20
15
16
2
54
150
10
Highest AQI recorded in
March79AQI
Lowest AQI recorded in
July50AQI
202457AQI
9
16
6
9
13
6
1
8
20
3
6
22
2
15
16
8
22
27
4
15
16
24
6
17
14
10
20
6
25
154
194
17
1
Highest AQI recorded in
February73AQI
Lowest AQI recorded in
July36AQI
202368AQI
6
21
2
2
16
8
4
2
19
10
1
22
6
1
5
25
1
4
26
16
15
13
18
18
12
13
18
9
19
1
8
17
6
95
228
34
7
Highest AQI recorded in
February100AQI
Lowest AQI recorded in
September48AQI
202267AQI
1
21
8
1
4
12
5
2
5
20
6
6
24
7
22
2
16
14
10
14
1
19
10
13
17
1
3
23
4
4
26
1
89
203
27
3
Highest AQI recorded in
February86AQI
Lowest AQI recorded in
August43AQI
202169AQI
5
21
5
4
16
8
2
17
10
1
1
2
28
6
21
2
1
1
5
24
1
21
10
14
17
28
2
9
22
8
18
3
1
9
14
8
113
210
37
2
1
2
Highest AQI recorded in
March98AQI
Lowest AQI recorded in
September38AQI
202064AQI
3
8
2
3
18
3
15
7
23
19
12
16
15
15
14
1
6
21
4
4
18
8
2
20
9
78
164
24
Highest AQI recorded in
December82AQI
Lowest AQI recorded in
July46AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
69AQILeast Polluted Year Recorded
2024(Avg.)
57AQIAsan's annual 2025 AQI (63) shows an average percentage change of -2.4% (improved AQI) compared to previous years: 2020 (64), 2021 (69), 2022 (67), 2023 (68), 2024 (57).
