Seonghwang Dong, Chonan, 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
Seonghwang Dong, Chonan, Chungnam, South Korea
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
12th Aug 2021
84AQILowest AQI recorded on
9th Aug 2023
23AQISame 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
Seonghwang Dong, Chonan, 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
51AQI
In the last 24 hours,
Seonghwang Dong's AQI reached its highest point of 73 at 3 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
Seonghwang Dong, Chonan, 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 2025529 AMAQI
5th Jul 20254810 AMAQI
5th Jul 20253911 AMAQI
5th Jul 20253212 PMAQI
5th Jul 2025381 PMAQI
5th Jul 2025402 PMAQI
5th Jul 2025463 PMAQI
5th Jul 2025464 PMAQI
5th Jul 2025475 PMAQI
5th Jul 2025486 PMAQI
5th Jul 2025487 PMAQI
5th Jul 2025468 PMAQI
5th Jul 2025529 PMAQI
5th Jul 20255110 PMAQI
5th Jul 20255011 PMAQI
6th Jul 20255212 AMAQI
6th Jul 2025521 AMAQI
6th Jul 2025522 AMAQI
6th Jul 2025513 AMAQI
6th Jul 2025504 AMAQI
26°C21/33°C
6th Jul 2025515 AMAQI
6th Jul 2025516 AMAQI
6th Jul 2025517 AMAQI
6th Jul 2025528 AMAQI
6th Jul 2025509 AMAQI
6th Jul 20255310 AMAQI
6th Jul 20255011 AMAQI
6th Jul 20255012 PMAQI
6th Jul 2025511 PMAQI
6th Jul 2025512 PMAQI
6th Jul 2025523 PMAQI
6th Jul 2025524 PMAQI
6th Jul 2025525 PMAQI
6th Jul 2025536 PMAQI
6th Jul 2025587 PMAQI
6th Jul 2025548 PMAQI
6th Jul 2025539 PMAQI
6th Jul 20255210 PMAQI
6th Jul 20255211 PMAQI
7th Jul 20255212 AMAQI
7th Jul 2025521 AMAQI
7th Jul 2025512 AMAQI
7th Jul 2025523 AMAQI
7th Jul 2025524 AMAQI
27°C21/34°C
7th Jul 2025525 AMAQI
7th Jul 2025526 AMAQI
7th Jul 2025527 AMAQI
7th Jul 2025528 AMAQI
7th Jul 2025469 AMAQI
7th Jul 20255210 AMAQI
7th Jul 20255111 AMAQI
7th Jul 20255312 PMAQI
7th Jul 2025551 PMAQI
7th Jul 2025582 PMAQI
7th Jul 2025623 PMAQI
7th Jul 2025704 PMAQI
7th Jul 2025725 PMAQI
7th Jul 2025726 PMAQI
7th Jul 2025717 PMAQI
7th Jul 2025678 PMAQI
7th Jul 2025559 PMAQI
7th Jul 20255510 PMAQI
7th Jul 20255411 PMAQI
8th Jul 20255612 AMAQI
8th Jul 2025561 AMAQI
8th Jul 2025542 AMAQI
8th Jul 2025523 AMAQI
8th Jul 2025524 AMAQI
28°C23/34°C
8th Jul 2025525 AMAQI
8th Jul 2025526 AMAQI
8th Jul 2025527 AMAQI
8th Jul 2025528 AMAQI
8th Jul 2025719 AMAQI
8th Jul 20258010 AMAQI
8th Jul 20256811 AMAQI
8th Jul 20255812 PMAQI
8th Jul 2025561 PMAQI
8th Jul 2025562 PMAQI
8th Jul 2025573 PMAQI
8th Jul 2025564 PMAQI
8th Jul 2025565 PMAQI
8th Jul 2025576 PMAQI
8th Jul 2025577 PMAQI
8th Jul 2025568 PMAQI
8th Jul 2025549 PMAQI
8th Jul 20255510 PMAQI
8th Jul 20255411 PMAQI
9th Jul 20255412 AMAQI
9th Jul 2025541 AMAQI
9th Jul 2025542 AMAQI
9th Jul 2025543 AMAQI
9th Jul 2025544 AMAQI
29°C23/36°C
9th Jul 2025565 AMAQI
9th Jul 2025566 AMAQI
9th Jul 2025567 AMAQI
9th Jul 2025568 AMAQI
9th Jul 2025449 AMAQI
9th Jul 20253810 AMAQI
9th Jul 20253411 AMAQI
9th Jul 20253512 PMAQI
9th Jul 2025461 PMAQI
9th Jul 2025442 PMAQI
9th Jul 2025443 PMAQI
9th Jul 2025464 PMAQI
9th Jul 2025465 PMAQI
9th Jul 2025476 PMAQI
9th Jul 2025487 PMAQI
9th Jul 2025478 PMAQI
9th Jul 2025539 PMAQI
9th Jul 20255310 PMAQI
9th Jul 20255311 PMAQI
10th Jul 20255412 AMAQI
10th Jul 2025541 AMAQI
10th Jul 2025542 AMAQI
10th Jul 2025553 AMAQI
10th Jul 2025544 AMAQI
29°C24/35°C
10th Jul 2025545 AMAQI
10th Jul 2025546 AMAQI
10th Jul 2025557 AMAQI
10th Jul 2025548 AMAQI
10th Jul 2025379 AMAQI
10th Jul 20253010 AMAQI
10th Jul 20253011 AMAQI
10th Jul 20253812 PMAQI
10th Jul 2025441 PMAQI
10th Jul 2025452 PMAQI
10th Jul 2025463 PMAQI
10th Jul 2025454 PMAQI
10th Jul 2025465 PMAQI
10th Jul 2025466 PMAQI
10th Jul 2025437 PMAQI
10th Jul 2025478 PMAQI
10th Jul 2025569 PMAQI
10th Jul 20255810 PMAQI
10th Jul 20255811 PMAQI
11th Jul 20255612 AMAQI
11th Jul 2025581 AMAQI
11th Jul 2025582 AMAQI
11th Jul 2025583 AMAQI
11th Jul 2025584 AMAQI
27°C22/34°C
11th Jul 2025585 AMAQI
11th Jul 2025586 AMAQI
11th Jul 2025547 AMAQI
11th Jul 2025548 AMAQI
11th Jul 2025399 AMAQI
11th Jul 20253510 AMAQI
11th Jul 20254111 AMAQI
11th Jul 20254412 PMAQI
11th Jul 2025491 PMAQI
11th Jul 2025422 PMAQI
11th Jul 2025463 PMAQI
11th Jul 2025544 PMAQI
11th Jul 2025555 PMAQI
11th Jul 2025566 PMAQI
11th Jul 2025557 PMAQI
11th Jul 2025558 PMAQI
11th Jul 2025559 PMAQI
11th Jul 20255510 PMAQI
11th Jul 20255511 PMAQI
12th Jul 20255512 AMAQI
12th Jul 2025561 AMAQI
12th Jul 2025572 AMAQI
12th Jul 2025573 AMAQI
12th Jul 2025574 AMAQI
26°C20/33°C
12th Jul 2025565 AMAQI
12th Jul 2025566 AMAQI
12th Jul 2025567 AMAQI
12th Jul 2025568 AMAQI
12th Jul 2025529 AMAQI
12th Jul 20255110 AMAQI
12th Jul 20255111 AMAQI
12th Jul 20255012 PMAQI
12th Jul 2025531 PMAQI
12th Jul 2025532 PMAQI
12th Jul 2025533 PMAQI
12th Jul 2025534 PMAQI
12th Jul 2025545 PMAQI
12th Jul 2025546 PMAQI
12th Jul 2025557 PMAQI
12th Jul 2025558 PMAQI
12th Jul 2025549 PMAQI
12th Jul 20255410 PMAQI
12th Jul 20255511 PMAQI
13th Jul 20255512 AMAQI
13th Jul 2025561 AMAQI
13th Jul 2025552 AMAQI
13th Jul 2025553 AMAQI
13th Jul 2025554 AMAQI
26°C19/33°C
13th Jul 2025555 AMAQI
13th Jul 2025556 AMAQI
13th Jul 2025557 AMAQI
13th Jul 2025558 AMAQI
13th Jul 2025629 AMAQI
13th Jul 20257210 AMAQI
13th Jul 20257011 AMAQI
13th Jul 20257012 PMAQI
13th Jul 2025631 PMAQI
13th Jul 2025642 PMAQI
13th Jul 2025683 PMAQI
13th Jul 2025664 PMAQI
13th Jul 2025655 PMAQI
13th Jul 2025646 PMAQI
13th Jul 2025667 PMAQI
13th Jul 2025668 PMAQI
13th Jul 2025579 PMAQI
13th Jul 20255710 PMAQI
13th Jul 20255611 PMAQI
14th Jul 20255612 AMAQI
14th Jul 2025551 AMAQI
14th Jul 2025542 AMAQI
14th Jul 2025553 AMAQI
14th Jul 2025544 AMAQI
24°C19/28°C
14th Jul 2025565 AMAQI
14th Jul 2025556 AMAQI
14th Jul 2025567 AMAQI
14th Jul 2025558 AMAQI
14th Jul 2025619 AMAQI
14th Jul 20256210 AMAQI
14th Jul 20256911 AMAQI
14th Jul 20257012 PMAQI
14th Jul 2025681 PMAQI
14th Jul 2025722 PMAQI
14th Jul 2025713 PMAQI
14th Jul 2025674 PMAQI
14th Jul 2025605 PMAQI
14th Jul 2025576 PMAQI
14th Jul 2025547 PMAQI
14th Jul 2025528 PMAQI
14th Jul 2025549 PMAQI
14th Jul 20255410 PMAQI
14th Jul 20255411 PMAQI
15th Jul 20255312 AMAQI
15th Jul 2025551 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025553 AMAQI
15th Jul 2025564 AMAQI
23°C20/28°C
15th Jul 2025575 AMAQI
15th Jul 2025576 AMAQI
15th Jul 2025567 AMAQI
15th Jul 2025578 AMAQI
15th Jul 2025289 AMAQI
15th Jul 20252110 AMAQI
15th Jul 20252011 AMAQI
15th Jul 20252312 PMAQI
15th Jul 2025351 PMAQI
15th Jul 2025332 PMAQI
15th Jul 2025333 PMAQI
15th Jul 2025354 PMAQI
15th Jul 2025415 PMAQI
15th Jul 2025476 PMAQI
15th Jul 2025497 PMAQI
15th Jul 2025498 PMAQI
15th Jul 2025539 PMAQI
15th Jul 20255310 PMAQI
15th Jul 20255211 PMAQI
16th Jul 20255212 AMAQI
16th Jul 2025541 AMAQI
16th Jul 2025542 AMAQI
16th Jul 2025553 AMAQI
16th Jul 2025544 AMAQI
21°C19/25°C
16th Jul 2025535 AMAQI
16th Jul 2025536 AMAQI
16th Jul 2025537 AMAQI
16th Jul 2025538 AMAQI
16th Jul 2025589 AMAQI
16th Jul 20256010 AMAQI
16th Jul 20256011 AMAQI
16th Jul 20255812 PMAQI
16th Jul 2025551 PMAQI
16th Jul 2025532 PMAQI
16th Jul 2025523 PMAQI
16th Jul 2025464 PMAQI
16th Jul 2025495 PMAQI
16th Jul 2025476 PMAQI
16th Jul 2025427 PMAQI
16th Jul 2025438 PMAQI
16th Jul 2025529 PMAQI
16th Jul 20255210 PMAQI
16th Jul 20255311 PMAQI
17th Jul 20255312 AMAQI
17th Jul 2025531 AMAQI
17th Jul 2025532 AMAQI
17th Jul 2025533 AMAQI
17th Jul 2025534 AMAQI
21°C19/25°C
17th Jul 2025535 AMAQI
17th Jul 2025546 AMAQI
17th Jul 2025537 AMAQI
17th Jul 2025538 AMAQI
17th Jul 2025269 AMAQI
17th Jul 20251710 AMAQI
17th Jul 20251611 AMAQI
17th Jul 20251812 PMAQI
17th Jul 2025271 PMAQI
17th Jul 2025242 PMAQI
17th Jul 2025223 PMAQI
17th Jul 2025224 PMAQI
17th Jul 2025285 PMAQI
17th Jul 2025236 PMAQI
17th Jul 2025247 PMAQI
17th Jul 2025318 PMAQI
17th Jul 2025429 PMAQI
17th Jul 20254210 PMAQI
17th Jul 20254311 PMAQI
18th Jul 20254212 AMAQI
18th Jul 2025471 AMAQI
18th Jul 2025532 AMAQI
18th Jul 2025523 AMAQI
18th Jul 2025524 AMAQI
23°C20/26°C
18th Jul 2025525 AMAQI
18th Jul 2025526 AMAQI
18th Jul 2025527 AMAQI
18th Jul 2025518 AMAQI
18th Jul 2025319 AMAQI
18th Jul 20252510 AMAQI
18th Jul 20252811 AMAQI
18th Jul 20253212 PMAQI
18th Jul 2025361 PMAQI
18th Jul 2025352 PMAQI
18th Jul 2025393 PMAQI
18th Jul 2025394 PMAQI
18th Jul 2025415 PMAQI
18th Jul 2025426 PMAQI
18th Jul 2025437 PMAQI
18th Jul 2025408 PMAQI
18th Jul 2025459 PMAQI
18th Jul 20254510 PMAQI
18th Jul 20254511 PMAQI
19th Jul 20254612 AMAQI
19th Jul 2025491 AMAQI
19th Jul 2025502 AMAQI
19th Jul 2025503 AMAQI
19th Jul 2025504 AMAQI
23°C21/27°C
19th Jul 2025485 AMAQI
19th Jul 2025486 AMAQI
19th Jul 2025477 AMAQI
19th Jul 2025488 AMAQI
19th Jul 2025229 AMAQI
19th Jul 20251310 AMAQI
19th Jul 20251311 AMAQI
19th Jul 20251412 PMAQI
19th Jul 2025181 PMAQI
19th Jul 2025182 PMAQI
19th Jul 2025183 PMAQI
19th Jul 2025214 PMAQI
19th Jul 2025205 PMAQI
19th Jul 2025216 PMAQI
19th Jul 2025207 PMAQI
19th Jul 2025248 PMAQI
19th Jul 2025359 PMAQI
19th Jul 20253310 PMAQI
19th Jul 20253411 PMAQI
20th Jul 20253512 AMAQI
20th Jul 2025411 AMAQI
20th Jul 2025482 AMAQI
20th Jul 2025483 AMAQI
20th Jul 2025464 AMAQI
25°C21/28°C
20th Jul 2025435 AMAQI
20th Jul 2025436 AMAQI
20th Jul 2025437 AMAQI
20th Jul 2025438 AMAQI
20th Jul 2025309 AMAQI
20th Jul 20252210 AMAQI
20th Jul 20252711 AMAQI
20th Jul 20253612 PMAQI
20th Jul 2025381 PMAQI
20th Jul 2025382 PMAQI
20th Jul 2025403 PMAQI
20th Jul 2025394 PMAQI
20th Jul 2025475 PMAQI
20th Jul 2025486 PMAQI
20th Jul 2025507 PMAQI
20th Jul 2025488 PMAQI
20th Jul 2025459 PMAQI
20th Jul 20254610 PMAQI
20th Jul 20254811 PMAQI
21st Jul 20254812 AMAQI
21st Jul 2025441 AMAQI
21st Jul 2025442 AMAQI
21st Jul 2025433 AMAQI
21st Jul 2025434 AMAQI
26°C22/32°C
21st Jul 2025425 AMAQI
21st Jul 2025426 AMAQI
21st Jul 2025427 AMAQI
21st Jul 2025418 AMAQI
21st Jul 2025479 AMAQI
21st Jul 20255410 AMAQI
21st Jul 20255311 AMAQI
21st Jul 20255312 PMAQI
21st Jul 2025511 PMAQI
21st Jul 2025412 PMAQI
21st Jul 2025373 PMAQI
21st Jul 2025364 PMAQI
21st Jul 2025335 PMAQI
21st Jul 2025336 PMAQI
21st Jul 2025347 PMAQI
21st Jul 2025308 PMAQI
21st Jul 2025349 PMAQI
21st Jul 20253310 PMAQI
21st Jul 20253211 PMAQI
22nd Jul 20253212 AMAQI
22nd Jul 2025431 AMAQI
22nd Jul 2025432 AMAQI
22nd Jul 2025433 AMAQI
22nd Jul 2025444 AMAQI
27°C23/31°C
22nd Jul 2025455 AMAQI
22nd Jul 2025466 AMAQI
22nd Jul 2025447 AMAQI
22nd Jul 2025448 AMAQI
22nd Jul 2025329 AMAQI
22nd Jul 20252910 AMAQI
22nd Jul 20253611 AMAQI
22nd Jul 20253412 PMAQI
22nd Jul 2025371 PMAQI
22nd Jul 2025382 PMAQI
22nd Jul 2025333 PMAQI
22nd Jul 2025324 PMAQI
22nd Jul 2025305 PMAQI
22nd Jul 2025336 PMAQI
22nd Jul 2025347 PMAQI
22nd Jul 2025358 PMAQI
22nd Jul 2025399 PMAQI
22nd Jul 20253810 PMAQI
22nd Jul 20253911 PMAQI
23rd Jul 20253812 AMAQI
23rd Jul 2025401 AMAQI
23rd Jul 2025402 AMAQI
23rd Jul 2025433 AMAQI
23rd Jul 2025424 AMAQI
26°C23/30°C
23rd Jul 2025405 AMAQI
23rd Jul 2025406 AMAQI
23rd Jul 2025417 AMAQI
23rd Jul 2025408 AMAQI
23rd Jul 2025459 AMAQI
23rd Jul 20255110 AMAQI
23rd Jul 20255411 AMAQI
23rd Jul 20255412 PMAQI
23rd Jul 2025521 PMAQI
23rd Jul 2025522 PMAQI
23rd Jul 2025523 PMAQI
23rd Jul 2025534 PMAQI
23rd Jul 2025525 PMAQI
23rd Jul 2025546 PMAQI
23rd Jul 2025537 PMAQI
23rd Jul 2025548 PMAQI
23rd Jul 2025529 PMAQI
23rd Jul 20255210 PMAQI
23rd Jul 20255111 PMAQI
24th Jul 20255112 AMAQI
24th Jul 2025421 AMAQI
24th Jul 2025422 AMAQI
24th Jul 2025423 AMAQI
24th Jul 2025434 AMAQI
26°C23/31°C
24th Jul 2025445 AMAQI
24th Jul 2025436 AMAQI
24th Jul 2025437 AMAQI
24th Jul 2025438 AMAQI
24th Jul 2025509 AMAQI
24th Jul 20255410 AMAQI
24th Jul 20255811 AMAQI
24th Jul 20256212 PMAQI
24th Jul 2025601 PMAQI
24th Jul 2025622 PMAQI
24th Jul 2025603 PMAQI
24th Jul 2025604 PMAQI
24th Jul 2025615 PMAQI
24th Jul 2025626 PMAQI
24th Jul 2025627 PMAQI
24th Jul 2025628 PMAQI
24th Jul 2025569 PMAQI
24th Jul 20255810 PMAQI
24th Jul 20255811 PMAQI
25th Jul 20255812 AMAQI
25th Jul 2025601 AMAQI
25th Jul 2025522 AMAQI
25th Jul 2025453 AMAQI
25th Jul 2025474 AMAQI
27°C23/33°C
25th Jul 2025505 AMAQI
25th Jul 2025506 AMAQI
25th Jul 2025507 AMAQI
25th Jul 2025518 AMAQI
25th Jul 2025669 AMAQI
25th Jul 20257410 AMAQI
25th Jul 20257311 AMAQI
25th Jul 20256312 PMAQI
25th Jul 2025531 PMAQI
25th Jul 2025532 PMAQI
25th Jul 2025563 PMAQI
25th Jul 2025524 PMAQI
25th Jul 2025525 PMAQI
25th Jul 2025486 PMAQI
25th Jul 2025507 PMAQI
25th Jul 2025548 PMAQI
25th Jul 2025529 PMAQI
25th Jul 20255410 PMAQI
25th Jul 20255511 PMAQI
26th Jul 20255512 AMAQI
26th Jul 2025531 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025533 AMAQI
26th Jul 2025534 AMAQI
28°C23/35°C
26th Jul 2025545 AMAQI
26th Jul 2025546 AMAQI
26th Jul 2025547 AMAQI
26th Jul 2025548 AMAQI
26th Jul 2025529 AMAQI
26th Jul 20253810 AMAQI
26th Jul 20253411 AMAQI
26th Jul 20253212 PMAQI
26th Jul 2025351 PMAQI
26th Jul 2025342 PMAQI
26th Jul 2025313 PMAQI
26th Jul 2025284 PMAQI
26th Jul 2025285 PMAQI
26th Jul 2025246 PMAQI
26th Jul 2025297 PMAQI
26th Jul 2025388 PMAQI
26th Jul 2025509 PMAQI
26th Jul 20255010 PMAQI
26th Jul 20255111 PMAQI
27th Jul 20255112 AMAQI
27th Jul 2025531 AMAQI
27th Jul 2025532 AMAQI
27th Jul 2025533 AMAQI
27th Jul 2025534 AMAQI
29°C24/35°C
27th Jul 2025525 AMAQI
27th Jul 2025526 AMAQI
27th Jul 2025527 AMAQI
27th Jul 2025528 AMAQI
27th Jul 2025459 AMAQI
27th Jul 20252810 AMAQI
27th Jul 20252111 AMAQI
27th Jul 20252012 PMAQI
27th Jul 2025221 PMAQI
27th Jul 2025222 PMAQI
27th Jul 2025223 PMAQI
27th Jul 2025204 PMAQI
27th Jul 2025225 PMAQI
27th Jul 2025256 PMAQI
27th Jul 2025317 PMAQI
27th Jul 2025368 PMAQI
27th Jul 2025509 PMAQI
27th Jul 20255210 PMAQI
27th Jul 20255311 PMAQI
28th Jul 20255412 AMAQI
28th Jul 2025521 AMAQI
28th Jul 2025522 AMAQI
28th Jul 2025523 AMAQI
28th Jul 2025514 AMAQI
29°C24/35°C
28th Jul 2025485 AMAQI
28th Jul 2025486 AMAQI
28th Jul 2025487 AMAQI
28th Jul 2025488 AMAQI
28th Jul 2025589 AMAQI
28th Jul 20256610 AMAQI
28th Jul 20256611 AMAQI
28th Jul 20256612 PMAQI
28th Jul 2025651 PMAQI
28th Jul 2025632 PMAQI
28th Jul 2025603 PMAQI
28th Jul 2025534 PMAQI
28th Jul 2025625 PMAQI
28th Jul 2025646 PMAQI
28th Jul 2025637 PMAQI
28th Jul 2025608 PMAQI
28th Jul 2025559 PMAQI
28th Jul 20255510 PMAQI
28th Jul 20255711 PMAQI
29th Jul 20255812 AMAQI
29th Jul 2025541 AMAQI
29th Jul 2025522 AMAQI
29th Jul 2025523 AMAQI
29th Jul 2025524 AMAQI
28°C24/33°C
29th Jul 2025545 AMAQI
29th Jul 2025546 AMAQI
29th Jul 2025547 AMAQI
29th Jul 2025548 AMAQI
29th Jul 2025699 AMAQI
29th Jul 20257810 AMAQI
29th Jul 20257711 AMAQI
29th Jul 20257712 PMAQI
29th Jul 2025761 PMAQI
29th Jul 2025742 PMAQI
29th Jul 2025623 PMAQI
29th Jul 2025454 PMAQI
29th Jul 2025445 PMAQI
29th Jul 2025516 PMAQI
29th Jul 2025587 PMAQI
29th Jul 2025648 PMAQI
29th Jul 2025659 PMAQI
29th Jul 20256610 PMAQI
29th Jul 20256511 PMAQI
30th Jul 20256112 AMAQI
30th Jul 2025541 AMAQI
30th Jul 2025532 AMAQI
30th Jul 2025543 AMAQI
30th Jul 2025554 AMAQI
28°C23/35°C
30th Jul 2025585 AMAQI
30th Jul 2025576 AMAQI
30th Jul 2025587 AMAQI
30th Jul 2025578 AMAQI
30th Jul 2025729 AMAQI
30th Jul 20257310 AMAQI
30th Jul 20256911 AMAQI
30th Jul 20256712 PMAQI
30th Jul 2025631 PMAQI
30th Jul 2025562 PMAQI
30th Jul 2025433 PMAQI
30th Jul 2025354 PMAQI
30th Jul 2025295 PMAQI
30th Jul 2025266 PMAQI
30th Jul 2025287 PMAQI
30th Jul 2025398 PMAQI
30th Jul 2025539 PMAQI
30th Jul 20255210 PMAQI
30th Jul 20255211 PMAQI
31st Jul 20255412 AMAQI
31st Jul 2025561 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 20255011 AMAQI
31st Jul 20254612 PMAQI
31st Jul 2025521 PMAQI
31st Jul 2025582 PMAQI
31st Jul 2025603 PMAQI
31st Jul 2025594 PMAQI
31st Jul 2025605 PMAQI
31st Jul 2025516 PMAQI
31st Jul 2025507 PMAQI
31st Jul 2025528 PMAQI
31st Jul 2025539 PMAQI
31st Jul 20255410 PMAQI
31st Jul 20255411 PMAQI
1st Aug 20255612 AMAQI
1st Aug 2025541 AMAQI
1st Aug 2025542 AMAQI
1st Aug 2025543 AMAQI
1st Aug 2025554 AMAQI
27°C24/33°C
1st Aug 2025565 AMAQI
1st Aug 2025566 AMAQI
1st Aug 2025567 AMAQI
1st Aug 2025558 AMAQI
1st Aug 2025509 AMAQI
1st Aug 20255710 AMAQI
1st Aug 20255711 AMAQI
1st Aug 20255812 PMAQI
1st Aug 2025581 PMAQI
1st Aug 2025602 PMAQI
1st Aug 2025603 PMAQI
1st Aug 2025634 PMAQI
1st Aug 2025615 PMAQI
1st Aug 2025616 PMAQI
1st Aug 2025587 PMAQI
1st Aug 2025578 PMAQI
1st Aug 2025629 PMAQI
1st Aug 20256210 PMAQI
1st Aug 20255911 PMAQI
2nd Aug 20256012 AMAQI
2nd Aug 2025541 AMAQI
2nd Aug 2025552 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025564 AMAQI
28°C24/34°C
2nd Aug 2025555 AMAQI
2nd Aug 2025556 AMAQI
2nd Aug 2025567 AMAQI
2nd Aug 2025568 AMAQI
2nd Aug 2025769 AMAQI
2nd Aug 20257810 AMAQI
2nd Aug 20257311 AMAQI
2nd Aug 20258012 PMAQI
2nd Aug 2025771 PMAQI
2nd Aug 2025642 PMAQI
2nd Aug 2025643 PMAQI
2nd Aug 2025654 PMAQI
2nd Aug 2025645 PMAQI
2nd Aug 2025656 PMAQI
2nd Aug 2025637 PMAQI
2nd Aug 2025608 PMAQI
2nd Aug 2025609 PMAQI
2nd Aug 20255910 PMAQI
2nd Aug 20256211 PMAQI
3rd Aug 20255612 AMAQI
3rd Aug 2025551 AMAQI
3rd Aug 2025552 AMAQI
3rd Aug 2025553 AMAQI
3rd Aug 2025574 AMAQI
28°C24/32°C
3rd Aug 2025585 AMAQI
3rd Aug 2025586 AMAQI
3rd Aug 2025587 AMAQI
3rd Aug 2025598 AMAQI
3rd Aug 2025669 AMAQI
3rd Aug 20257010 AMAQI
3rd Aug 20256611 AMAQI
3rd Aug 20256612 PMAQI
3rd Aug 2025681 PMAQI
3rd Aug 2025712 PMAQI
3rd Aug 2025733 PMAQI
3rd Aug 2025684 PMAQI
3rd Aug 2025665 PMAQI
3rd Aug 2025666 PMAQI
3rd Aug 2025647 PMAQI
3rd Aug 2025598 PMAQI
3rd Aug 2025589 PMAQI
3rd Aug 20255610 PMAQI
3rd Aug 20255111 PMAQI
4th Aug 20255212 AMAQI
4th Aug 2025561 AMAQI
4th Aug 2025562 AMAQI
4th Aug 2025573 AMAQI
--°C/°C
5 AM
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 7 PM
50AQI
15 hours / Day
450 hours / Month
Avg. Lowest Time
5 AM - 7 PM
50AQI
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. 50), while the lowest AQI was between 5 AM to 7 PM (Avg. 50).
Night time
Avg. Highest Time
12 AM - 4 AM
52AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
8 PM
49AQI
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. 52), while the lowest AQI was between 8 PM to 8 PM (Avg. 49).
2025 Days Vs Air Quality
Seonghwang Dong, Chonan, Chungnam, South Korea
2025
18%
38
77%
164
6%
12
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
38 DaysModerate
164 DaysPoor
12 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 18%
Health Risk Level:
Extreme
In 2025, 18% 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
Seonghwang Dong, Chonan, 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
72AQI
2nd January 2025
69AQI
69AQI
3rd January 2025
63AQI
63AQI
4th January 2025
62AQI
62AQI
5th January 2025
67AQI
67AQI
6th January 2025
97AQI
97AQI
7th January 2025
62AQI
62AQI
8th January 2025
71AQI
71AQI
9th January 2025
42AQI
42AQI
10th January 2025
63AQI
63AQI
11th January 2025
64AQI
64AQI
12th January 2025
89AQI
89AQI
13th January 2025
93AQI
93AQI
14th January 2025
97AQI
97AQI
15th January 2025
60AQI
60AQI
16th January 2025
72AQI
72AQI
17th January 2025
88AQI
88AQI
18th January 2025
82AQI
82AQI
19th January 2025
88AQI
88AQI
20th January 2025
121AQI
121AQI
21st January 2025
140AQI
140AQI
22nd January 2025
140AQI
140AQI
23rd January 2025
128AQI
128AQI
24th January 2025
125AQI
125AQI
25th January 2025
91AQI
91AQI
26th January 2025
61AQI
61AQI
27th January 2025
68AQI
68AQI
28th January 2025
57AQI
57AQI
29th January 2025
62AQI
62AQI
30th January 2025
59AQI
59AQI
31st January 2025
84AQI
84AQI
1st February 2025
93AQI
93AQI
2nd February 2025
100AQI
100AQI
3rd February 2025
61AQI
61AQI
4th February 2025
58AQI
58AQI
5th February 2025
55AQI
55AQI
6th February 2025
56AQI
56AQI
7th February 2025
52AQI
52AQI
8th February 2025
49AQI
49AQI
9th February 2025
56AQI
56AQI
10th February 2025
60AQI
60AQI
11th February 2025
82AQI
82AQI
12th February 2025
76AQI
76AQI
13th February 2025
55AQI
55AQI
14th February 2025
84AQI
84AQI
15th February 2025
59AQI
59AQI
16th February 2025
110AQI
110AQI
17th February 2025
55AQI
55AQI
18th February 2025
63AQI
63AQI
19th February 2025
49AQI
49AQI
20th February 2025
58AQI
58AQI
21st February 2025
56AQI
56AQI
22nd February 2025
60AQI
60AQI
23rd February 2025
57AQI
57AQI
24th February 2025
58AQI
58AQI
25th February 2025
54AQI
54AQI
26th February 2025
76AQI
76AQI
27th February 2025
61AQI
61AQI
28th February 2025
81AQI
81AQI
1st March 2025
101AQI
101AQI
2nd March 2025
82AQI
82AQI
3rd March 2025
55AQI
55AQI
4th March 2025
47AQI
47AQI
5th March 2025
44AQI
44AQI
6th March 2025
75AQI
75AQI
7th March 2025
88AQI
88AQI
8th March 2025
87AQI
87AQI
9th March 2025
103AQI
103AQI
10th March 2025
110AQI
110AQI
11th March 2025
106AQI
106AQI
12th March 2025
96AQI
96AQI
13th March 2025
98AQI
98AQI
14th March 2025
84AQI
84AQI
15th March 2025
59AQI
59AQI
16th March 2025
76AQI
76AQI
17th March 2025
65AQI
65AQI
18th March 2025
75AQI
75AQI
19th March 2025
80AQI
80AQI
20th March 2025
84AQI
84AQI
21st March 2025
89AQI
89AQI
22nd March 2025
99AQI
99AQI
23rd March 2025
105AQI
105AQI
24th March 2025
99AQI
99AQI
25th March 2025
122AQI
122AQI
26th March 2025
84AQI
84AQI
27th March 2025
87AQI
87AQI
28th March 2025
65AQI
65AQI
29th March 2025
52AQI
52AQI
30th March 2025
50AQI
50AQI
31st March 2025
59AQI
59AQI
1st April 2025
74AQI
74AQI
2nd April 2025
77AQI
77AQI
3rd April 2025
81AQI
81AQI
4th April 2025
83AQI
83AQI
5th April 2025
73AQI
73AQI
6th April 2025
67AQI
67AQI
7th April 2025
66AQI
66AQI
8th April 2025
72AQI
72AQI
9th April 2025
63AQI
63AQI
10th April 2025
73AQI
73AQI
11th April 2025
82AQI
82AQI
12th April 2025
61AQI
61AQI
13th April 2025
61AQI
61AQI
14th April 2025
45AQI
45AQI
15th April 2025
58AQI
58AQI
16th April 2025
58AQI
58AQI
17th April 2025
64AQI
64AQI
18th April 2025
76AQI
76AQI
19th April 2025
50AQI
50AQI
20th April 2025
65AQI
65AQI
21st April 2025
54AQI
54AQI
22nd April 2025
49AQI
49AQI
23rd April 2025
40AQI
40AQI
24th April 2025
59AQI
59AQI
25th April 2025
60AQI
60AQI
26th April 2025
53AQI
53AQI
27th April 2025
42AQI
42AQI
28th April 2025
60AQI
60AQI
29th April 2025
65AQI
65AQI
30th April 2025
60AQI
60AQI
1st May 2025
56AQI
56AQI
2nd May 2025
52AQI
52AQI
3rd May 2025
52AQI
52AQI
4th May 2025
47AQI
47AQI
5th May 2025
48AQI
48AQI
6th May 2025
48AQI
48AQI
7th May 2025
54AQI
54AQI
8th May 2025
63AQI
63AQI
9th May 2025
47AQI
47AQI
10th May 2025
50AQI
50AQI
11th May 2025
64AQI
64AQI
12th May 2025
68AQI
68AQI
13th May 2025
71AQI
71AQI
14th May 2025
72AQI
72AQI
15th May 2025
60AQI
60AQI
16th May 2025
46AQI
46AQI
17th May 2025
36AQI
36AQI
18th May 2025
58AQI
58AQI
19th May 2025
60AQI
60AQI
20th May 2025
51AQI
51AQI
21st May 2025
50AQI
50AQI
22nd May 2025
55AQI
55AQI
23rd May 2025
61AQI
61AQI
24th May 2025
50AQI
50AQI
25th May 2025
53AQI
53AQI
26th May 2025
62AQI
62AQI
27th May 2025
70AQI
70AQI
28th May 2025
72AQI
72AQI
29th May 2025
78AQI
78AQI
30th May 2025
74AQI
74AQI
31st May 2025
78AQI
78AQI
1st June 2025
87AQI
87AQI
2nd June 2025
100AQI
100AQI
3rd June 2025
70AQI
70AQI
4th June 2025
63AQI
63AQI
5th June 2025
59AQI
59AQI
6th June 2025
62AQI
62AQI
7th June 2025
69AQI
69AQI
8th June 2025
64AQI
64AQI
9th June 2025
62AQI
62AQI
10th June 2025
57AQI
57AQI
11th June 2025
53AQI
53AQI
12th June 2025
54AQI
54AQI
13th June 2025
67AQI
67AQI
14th June 2025
50AQI
50AQI
15th June 2025
57AQI
57AQI
16th June 2025
59AQI
59AQI
17th June 2025
62AQI
62AQI
18th June 2025
63AQI
63AQI
19th June 2025
65AQI
65AQI
20th June 2025
55AQI
55AQI
21st June 2025
51AQI
51AQI
22nd June 2025
51AQI
51AQI
23rd June 2025
55AQI
55AQI
24th June 2025
54AQI
54AQI
25th June 2025
47AQI
47AQI
26th June 2025
52AQI
52AQI
27th June 2025
59AQI
59AQI
28th June 2025
59AQI
59AQI
29th June 2025
51AQI
51AQI
30th June 2025
50AQI
50AQI
1st July 2025
49AQI
49AQI
2nd July 2025
47AQI
47AQI
3rd July 2025
52AQI
52AQI
4th July 2025
51AQI
51AQI
5th July 2025
49AQI
49AQI
6th July 2025
52AQI
52AQI
7th July 2025
56AQI
56AQI
8th July 2025
57AQI
57AQI
9th July 2025
50AQI
50AQI
10th July 2025
50AQI
50AQI
11th July 2025
53AQI
53AQI
12th July 2025
55AQI
55AQI
13th July 2025
60AQI
60AQI
14th July 2025
58AQI
58AQI
15th July 2025
47AQI
47AQI
16th July 2025
52AQI
52AQI
17th July 2025
40AQI
40AQI
18th July 2025
43AQI
43AQI
19th July 2025
32AQI
32AQI
20th July 2025
42AQI
42AQI
21st July 2025
41AQI
41AQI
22nd July 2025
38AQI
38AQI
23rd July 2025
48AQI
48AQI
24th July 2025
53AQI
53AQI
25th July 2025
54AQI
54AQI
26th July 2025
44AQI
44AQI
27th July 2025
40AQI
40AQI
28th July 2025
57AQI
57AQI
29th July 2025
60AQI
60AQI
30th July 2025
52AQI
52AQI
31st July 2025
55AQI
55AQI
1st August 2025
58AQI
58AQI
2nd August 2025
61AQI
61AQI
82AQI
66AQI
81AQI
63AQI
58AQI
60AQI
50AQI
60AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202566AQI
1
25
5
2
25
1
3
22
6
5
25
9
22
3
27
15
16
2
38
164
12
Highest AQI recorded in
January82AQI
Lowest AQI recorded in
July50AQI
202462AQI
5
15
10
1
10
12
6
1
6
22
3
6
20
4
14
16
1
2
25
2
23
8
10
21
19
11
12
19
9
18
3
4
27
120
214
29
2
Highest AQI recorded in
January86AQI
Lowest AQI recorded in
July39AQI
202369AQI
5
21
3
2
1
19
5
3
4
18
7
2
2
20
7
1
6
23
2
5
25
16
14
1
9
22
19
11
11
20
10
16
3
8
16
5
2
96
225
33
10
Highest AQI recorded in
March92AQI
Lowest AQI recorded in
September47AQI
202271AQI
20
7
3
1
13
4
3
5
17
9
3
13
1
6
24
1
7
23
6
14
1
1
15
11
2
12
16
3
6
20
3
1
10
20
1
72
191
32
7
Highest AQI recorded in
February92AQI
Lowest AQI recorded in
August30AQI
202169AQI
2
22
6
3
16
6
3
3
17
7
3
1
3
25
2
8
19
2
1
1
3
26
1
14
17
16
15
23
7
8
12
7
15
8
1
90
191
32
8
2
Highest AQI recorded in
March100AQI
Lowest AQI recorded in
September41AQI
202066AQI
1
1
2
23
2
16
15
19
12
15
15
5
22
4
7
14
7
2
3
18
9
1
68
120
22
3
Highest AQI recorded in
December86AQI
Lowest AQI recorded in
March47AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
71AQILeast Polluted Year Recorded
2024(Avg.)
62AQISeonghwang Dong's annual 2025 AQI (66) shows an average percentage change of -2.5% (improved AQI) compared to previous years: 2020 (66), 2021 (69), 2022 (71), 2023 (69), 2024 (62).
