Seongdong 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
Seongdong myeon, Hosan, Chungnam, South Korea
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
2nd Aug 2023
85AQILowest AQI recorded on
9th Aug 2023
19AQISame Day Analysis (10th August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 2nd highest AQI at 53 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 10th Aug - 11th Aug 2025
Seongdong myeon, Hosan, Chungnam, South Korea
AQI
Day
Night
.
5 AM10th Aug 2025
7 PM
4 AM11th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
6AM10th Aug
55AQI
Avg. Lowest Time
3PM10th Aug
35AQI
In the last 24 hours,
Seongdong myeon's AQI reached its highest point of 55 at 6 AM during the Night, while the lowest point, 35, was recorded at 3 PM during the Night between 10th Aug and 11th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Seongdong myeon, Hosan, Chungnam, South Korea
JulAug
12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th
Day
Night
12th Jul 2025575 AMAQI
12th Jul 2025576 AMAQI
12th Jul 2025577 AMAQI
12th Jul 2025578 AMAQI
12th Jul 2025529 AMAQI
12th Jul 20254210 AMAQI
12th Jul 20253911 AMAQI
12th Jul 20254612 PMAQI
12th Jul 2025471 PMAQI
12th Jul 2025482 PMAQI
12th Jul 2025493 PMAQI
12th Jul 2025494 PMAQI
12th Jul 2025515 PMAQI
12th Jul 2025486 PMAQI
12th Jul 2025507 PMAQI
12th Jul 2025508 PMAQI
12th Jul 2025559 PMAQI
12th Jul 20255610 PMAQI
12th Jul 20255611 PMAQI
13th Jul 20255612 AMAQI
13th Jul 2025561 AMAQI
13th Jul 2025562 AMAQI
13th Jul 2025563 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 2025599 AMAQI
13th Jul 20256510 AMAQI
13th Jul 20256711 AMAQI
13th Jul 20256312 PMAQI
13th Jul 2025601 PMAQI
13th Jul 2025642 PMAQI
13th Jul 2025693 PMAQI
13th Jul 2025694 PMAQI
13th Jul 2025685 PMAQI
13th Jul 2025716 PMAQI
13th Jul 2025687 PMAQI
13th Jul 2025708 PMAQI
13th Jul 2025599 PMAQI
13th Jul 20255910 PMAQI
13th Jul 20255811 PMAQI
14th Jul 20255712 AMAQI
14th Jul 2025551 AMAQI
14th Jul 2025562 AMAQI
14th Jul 2025563 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 2025669 AMAQI
14th Jul 20256610 AMAQI
14th Jul 20257011 AMAQI
14th Jul 20256712 PMAQI
14th Jul 2025631 PMAQI
14th Jul 2025592 PMAQI
14th Jul 2025573 PMAQI
14th Jul 2025564 PMAQI
14th Jul 2025505 PMAQI
14th Jul 2025506 PMAQI
14th Jul 2025497 PMAQI
14th Jul 2025488 PMAQI
14th Jul 2025549 PMAQI
14th Jul 20255510 PMAQI
14th Jul 20255511 PMAQI
15th Jul 20255512 AMAQI
15th Jul 2025561 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025563 AMAQI
15th Jul 2025574 AMAQI
23°C20/28°C
15th Jul 2025585 AMAQI
15th Jul 2025586 AMAQI
15th Jul 2025587 AMAQI
15th Jul 2025588 AMAQI
15th Jul 2025329 AMAQI
15th Jul 20252310 AMAQI
15th Jul 20251711 AMAQI
15th Jul 20251812 PMAQI
15th Jul 2025331 PMAQI
15th Jul 2025362 PMAQI
15th Jul 2025393 PMAQI
15th Jul 2025364 PMAQI
15th Jul 2025385 PMAQI
15th Jul 2025356 PMAQI
15th Jul 2025387 PMAQI
15th Jul 2025408 PMAQI
15th Jul 2025539 PMAQI
15th Jul 20255310 PMAQI
15th Jul 20255411 PMAQI
16th Jul 20255412 AMAQI
16th Jul 2025561 AMAQI
16th Jul 2025562 AMAQI
16th Jul 2025573 AMAQI
16th Jul 2025564 AMAQI
22°C19/26°C
16th Jul 2025555 AMAQI
16th Jul 2025556 AMAQI
16th Jul 2025557 AMAQI
16th Jul 2025558 AMAQI
16th Jul 2025589 AMAQI
16th Jul 20256210 AMAQI
16th Jul 20256111 AMAQI
16th Jul 20256012 PMAQI
16th Jul 2025521 PMAQI
16th Jul 2025502 PMAQI
16th Jul 2025523 PMAQI
16th Jul 2025524 PMAQI
16th Jul 2025505 PMAQI
16th Jul 2025486 PMAQI
16th Jul 2025427 PMAQI
16th Jul 2025508 PMAQI
16th Jul 2025549 PMAQI
16th Jul 20255410 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°C20/25°C
17th Jul 2025565 AMAQI
17th Jul 2025566 AMAQI
17th Jul 2025557 AMAQI
17th Jul 2025558 AMAQI
17th Jul 2025549 AMAQI
17th Jul 20255310 AMAQI
17th Jul 20255211 AMAQI
17th Jul 20253212 PMAQI
17th Jul 2025261 PMAQI
17th Jul 2025272 PMAQI
17th Jul 2025243 PMAQI
17th Jul 2025254 PMAQI
17th Jul 2025285 PMAQI
17th Jul 2025286 PMAQI
17th Jul 2025257 PMAQI
17th Jul 2025338 PMAQI
17th Jul 2025479 PMAQI
17th Jul 20254610 PMAQI
17th Jul 20255011 PMAQI
18th Jul 20255012 AMAQI
18th Jul 2025541 AMAQI
18th Jul 2025552 AMAQI
18th Jul 2025553 AMAQI
18th Jul 2025544 AMAQI
24°C21/27°C
18th Jul 2025545 AMAQI
18th Jul 2025546 AMAQI
18th Jul 2025547 AMAQI
18th Jul 2025548 AMAQI
18th Jul 2025299 AMAQI
18th Jul 20252310 AMAQI
18th Jul 20252611 AMAQI
18th Jul 20252612 PMAQI
18th Jul 2025301 PMAQI
18th Jul 2025302 PMAQI
18th Jul 2025333 PMAQI
18th Jul 2025374 PMAQI
18th Jul 2025415 PMAQI
18th Jul 2025406 PMAQI
18th Jul 2025487 PMAQI
18th Jul 2025508 PMAQI
18th Jul 2025519 PMAQI
18th Jul 20255210 PMAQI
18th Jul 20255211 PMAQI
19th Jul 20255212 AMAQI
19th Jul 2025531 AMAQI
19th Jul 2025522 AMAQI
19th Jul 2025523 AMAQI
19th Jul 2025524 AMAQI
25°C22/29°C
19th Jul 2025525 AMAQI
19th Jul 2025526 AMAQI
19th Jul 2025527 AMAQI
19th Jul 2025528 AMAQI
19th Jul 2025239 AMAQI
19th Jul 20251310 AMAQI
19th Jul 20251611 AMAQI
19th Jul 20251412 PMAQI
19th Jul 2025221 PMAQI
19th Jul 2025192 PMAQI
19th Jul 2025213 PMAQI
19th Jul 2025204 PMAQI
19th Jul 2025215 PMAQI
19th Jul 2025246 PMAQI
19th Jul 2025247 PMAQI
19th Jul 2025298 PMAQI
19th Jul 2025419 PMAQI
19th Jul 20254010 PMAQI
19th Jul 20254011 PMAQI
20th Jul 20253912 AMAQI
20th Jul 2025481 AMAQI
20th Jul 2025522 AMAQI
20th Jul 2025533 AMAQI
20th Jul 2025514 AMAQI
25°C22/29°C
20th Jul 2025485 AMAQI
20th Jul 2025486 AMAQI
20th Jul 2025487 AMAQI
20th Jul 2025488 AMAQI
20th Jul 2025389 AMAQI
20th Jul 20252810 AMAQI
20th Jul 20252911 AMAQI
20th Jul 20253112 PMAQI
20th Jul 2025301 PMAQI
20th Jul 2025292 PMAQI
20th Jul 2025293 PMAQI
20th Jul 2025324 PMAQI
20th Jul 2025455 PMAQI
20th Jul 2025466 PMAQI
20th Jul 2025507 PMAQI
20th Jul 2025508 PMAQI
20th Jul 2025499 PMAQI
20th Jul 20254910 PMAQI
20th Jul 20255011 PMAQI
21st Jul 20255112 AMAQI
21st Jul 2025491 AMAQI
21st Jul 2025492 AMAQI
21st Jul 2025503 AMAQI
21st Jul 2025474 AMAQI
27°C22/33°C
21st Jul 2025455 AMAQI
21st Jul 2025456 AMAQI
21st Jul 2025447 AMAQI
21st Jul 2025448 AMAQI
21st Jul 2025489 AMAQI
21st Jul 20254910 AMAQI
21st Jul 20254211 AMAQI
21st Jul 20254012 PMAQI
21st Jul 2025361 PMAQI
21st Jul 2025342 PMAQI
21st Jul 2025303 PMAQI
21st Jul 2025324 PMAQI
21st Jul 2025265 PMAQI
21st Jul 2025236 PMAQI
21st Jul 2025227 PMAQI
21st Jul 2025308 PMAQI
21st Jul 2025389 PMAQI
21st Jul 20253710 PMAQI
21st Jul 20253611 PMAQI
22nd Jul 20253712 AMAQI
22nd Jul 2025471 AMAQI
22nd Jul 2025482 AMAQI
22nd Jul 2025463 AMAQI
22nd Jul 2025484 AMAQI
27°C23/31°C
22nd Jul 2025485 AMAQI
22nd Jul 2025486 AMAQI
22nd Jul 2025487 AMAQI
22nd Jul 2025488 AMAQI
22nd Jul 2025289 AMAQI
22nd Jul 20252210 AMAQI
22nd Jul 20252111 AMAQI
22nd Jul 20252312 PMAQI
22nd Jul 2025261 PMAQI
22nd Jul 2025262 PMAQI
22nd Jul 2025263 PMAQI
22nd Jul 2025294 PMAQI
22nd Jul 2025335 PMAQI
22nd Jul 2025366 PMAQI
22nd Jul 2025337 PMAQI
22nd Jul 2025378 PMAQI
22nd Jul 2025429 PMAQI
22nd Jul 20254010 PMAQI
22nd Jul 20254211 PMAQI
23rd Jul 20254212 AMAQI
23rd Jul 2025411 AMAQI
23rd Jul 2025422 AMAQI
23rd Jul 2025473 AMAQI
23rd Jul 2025464 AMAQI
27°C23/31°C
23rd Jul 2025425 AMAQI
23rd Jul 2025436 AMAQI
23rd Jul 2025437 AMAQI
23rd Jul 2025438 AMAQI
23rd Jul 2025429 AMAQI
23rd Jul 20254110 AMAQI
23rd Jul 20254911 AMAQI
23rd Jul 20255412 PMAQI
23rd Jul 2025531 PMAQI
23rd Jul 2025522 PMAQI
23rd Jul 2025523 PMAQI
23rd Jul 2025524 PMAQI
23rd Jul 2025575 PMAQI
23rd Jul 2025576 PMAQI
23rd Jul 2025557 PMAQI
23rd Jul 2025538 PMAQI
23rd Jul 2025519 PMAQI
23rd Jul 20255110 PMAQI
23rd Jul 20255111 PMAQI
24th Jul 20255012 AMAQI
24th Jul 2025441 AMAQI
24th Jul 2025432 AMAQI
24th Jul 2025433 AMAQI
24th Jul 2025454 AMAQI
27°C23/32°C
24th Jul 2025465 AMAQI
24th Jul 2025466 AMAQI
24th Jul 2025467 AMAQI
24th Jul 2025458 AMAQI
24th Jul 2025539 AMAQI
24th Jul 20255610 AMAQI
24th Jul 20255511 AMAQI
24th Jul 20256012 PMAQI
24th Jul 2025631 PMAQI
24th Jul 2025632 PMAQI
24th Jul 2025613 PMAQI
24th Jul 2025604 PMAQI
24th Jul 2025655 PMAQI
24th Jul 2025666 PMAQI
24th Jul 2025687 PMAQI
24th Jul 2025628 PMAQI
24th Jul 2025569 PMAQI
24th Jul 20255810 PMAQI
24th Jul 20255811 PMAQI
25th Jul 20255912 AMAQI
25th Jul 2025581 AMAQI
25th Jul 2025502 AMAQI
25th Jul 2025473 AMAQI
25th Jul 2025484 AMAQI
28°C23/34°C
25th Jul 2025515 AMAQI
25th Jul 2025516 AMAQI
25th Jul 2025517 AMAQI
25th Jul 2025508 AMAQI
25th Jul 2025729 AMAQI
25th Jul 20257510 AMAQI
25th Jul 20257211 AMAQI
25th Jul 20257012 PMAQI
25th Jul 2025661 PMAQI
25th Jul 2025592 PMAQI
25th Jul 2025563 PMAQI
25th Jul 2025524 PMAQI
25th Jul 2025535 PMAQI
25th Jul 2025526 PMAQI
25th Jul 2025507 PMAQI
25th Jul 2025568 PMAQI
25th Jul 2025609 PMAQI
25th Jul 20256210 PMAQI
25th Jul 20256111 PMAQI
26th Jul 20256112 AMAQI
26th Jul 2025521 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025523 AMAQI
26th Jul 2025534 AMAQI
29°C24/35°C
26th Jul 2025565 AMAQI
26th Jul 2025566 AMAQI
26th Jul 2025567 AMAQI
26th Jul 2025568 AMAQI
26th Jul 2025429 AMAQI
26th Jul 20253810 AMAQI
26th Jul 20253311 AMAQI
26th Jul 20253312 PMAQI
26th Jul 2025411 PMAQI
26th Jul 2025402 PMAQI
26th Jul 2025383 PMAQI
26th Jul 2025334 PMAQI
26th Jul 2025335 PMAQI
26th Jul 2025346 PMAQI
26th Jul 2025387 PMAQI
26th Jul 2025408 PMAQI
26th Jul 2025529 PMAQI
26th Jul 20255210 PMAQI
26th Jul 20255211 PMAQI
27th Jul 20255212 AMAQI
27th Jul 2025551 AMAQI
27th Jul 2025552 AMAQI
27th Jul 2025553 AMAQI
27th Jul 2025544 AMAQI
29°C24/35°C
27th Jul 2025525 AMAQI
27th Jul 2025536 AMAQI
27th Jul 2025537 AMAQI
27th Jul 2025528 AMAQI
27th Jul 2025409 AMAQI
27th Jul 20252710 AMAQI
27th Jul 20252311 AMAQI
27th Jul 20252412 PMAQI
27th Jul 2025231 PMAQI
27th Jul 2025222 PMAQI
27th Jul 2025243 PMAQI
27th Jul 2025224 PMAQI
27th Jul 2025195 PMAQI
27th Jul 2025206 PMAQI
27th Jul 2025287 PMAQI
27th Jul 2025328 PMAQI
27th Jul 2025479 PMAQI
27th Jul 20254710 PMAQI
27th Jul 20255011 PMAQI
28th Jul 20255312 AMAQI
28th Jul 2025541 AMAQI
28th Jul 2025542 AMAQI
28th Jul 2025543 AMAQI
28th Jul 2025534 AMAQI
29°C24/36°C
28th Jul 2025515 AMAQI
28th Jul 2025516 AMAQI
28th Jul 2025517 AMAQI
28th Jul 2025518 AMAQI
28th Jul 2025529 AMAQI
28th Jul 20255710 AMAQI
28th Jul 20255711 AMAQI
28th Jul 20255712 PMAQI
28th Jul 2025581 PMAQI
28th Jul 2025592 PMAQI
28th Jul 2025583 PMAQI
28th Jul 2025524 PMAQI
28th Jul 2025555 PMAQI
28th Jul 2025586 PMAQI
28th Jul 2025577 PMAQI
28th Jul 2025568 PMAQI
28th Jul 2025559 PMAQI
28th Jul 20255810 PMAQI
28th Jul 20255811 PMAQI
29th Jul 20255812 AMAQI
29th Jul 2025551 AMAQI
29th Jul 2025532 AMAQI
29th Jul 2025533 AMAQI
29th Jul 2025534 AMAQI
29°C24/35°C
29th Jul 2025535 AMAQI
29th Jul 2025546 AMAQI
29th Jul 2025547 AMAQI
29th Jul 2025538 AMAQI
29th Jul 2025689 AMAQI
29th Jul 20257610 AMAQI
29th Jul 20257911 AMAQI
29th Jul 20257612 PMAQI
29th Jul 2025721 PMAQI
29th Jul 2025702 PMAQI
29th Jul 2025653 PMAQI
29th Jul 2025614 PMAQI
29th Jul 2025595 PMAQI
29th Jul 2025576 PMAQI
29th Jul 2025557 PMAQI
29th Jul 2025588 PMAQI
29th Jul 2025599 PMAQI
29th Jul 20255910 PMAQI
29th Jul 20255911 PMAQI
30th Jul 20255912 AMAQI
30th Jul 2025551 AMAQI
30th Jul 2025552 AMAQI
30th Jul 2025553 AMAQI
30th Jul 2025564 AMAQI
29°C24/35°C
30th Jul 2025585 AMAQI
30th Jul 2025586 AMAQI
30th Jul 2025577 AMAQI
30th Jul 2025588 AMAQI
30th Jul 2025709 AMAQI
30th Jul 20257410 AMAQI
30th Jul 20256111 AMAQI
30th Jul 20255412 PMAQI
30th Jul 2025581 PMAQI
30th Jul 2025522 PMAQI
30th Jul 2025463 PMAQI
30th Jul 2025424 PMAQI
30th Jul 2025445 PMAQI
30th Jul 2025476 PMAQI
30th Jul 2025497 PMAQI
30th Jul 2025538 PMAQI
30th Jul 2025569 PMAQI
30th Jul 20255510 PMAQI
30th Jul 20255511 PMAQI
31st Jul 20255812 AMAQI
31st Jul 2025561 AMAQI
31st Jul 2025582 AMAQI
31st Jul 2025583 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 20254412 PMAQI
31st Jul 2025531 PMAQI
31st Jul 2025532 PMAQI
31st Jul 2025513 PMAQI
31st Jul 2025524 PMAQI
31st Jul 2025535 PMAQI
31st Jul 2025516 PMAQI
31st Jul 2025587 PMAQI
31st Jul 2025568 PMAQI
31st Jul 2025519 PMAQI
31st Jul 20255210 PMAQI
31st Jul 20255311 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 2025555 AMAQI
1st Aug 2025566 AMAQI
1st Aug 2025557 AMAQI
1st Aug 2025548 AMAQI
1st Aug 2025569 AMAQI
1st Aug 20256210 AMAQI
1st Aug 20255411 AMAQI
1st Aug 20255412 PMAQI
1st Aug 2025521 PMAQI
1st Aug 2025582 PMAQI
1st Aug 2025543 PMAQI
1st Aug 2025534 PMAQI
1st Aug 2025525 PMAQI
1st Aug 2025586 PMAQI
1st Aug 2025587 PMAQI
1st Aug 2025588 PMAQI
1st Aug 2025579 PMAQI
1st Aug 20255610 PMAQI
1st Aug 20255711 PMAQI
2nd Aug 20255612 AMAQI
2nd Aug 2025531 AMAQI
2nd Aug 2025552 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025534 AMAQI
28°C23/34°C
2nd Aug 2025545 AMAQI
2nd Aug 2025546 AMAQI
2nd Aug 2025557 AMAQI
2nd Aug 2025558 AMAQI
2nd Aug 2025749 AMAQI
2nd Aug 20257810 AMAQI
2nd Aug 20257511 AMAQI
2nd Aug 20257812 PMAQI
2nd Aug 2025771 PMAQI
2nd Aug 2025642 PMAQI
2nd Aug 2025603 PMAQI
2nd Aug 2025634 PMAQI
2nd Aug 2025595 PMAQI
2nd Aug 2025716 PMAQI
2nd Aug 2025637 PMAQI
2nd Aug 2025588 PMAQI
2nd Aug 2025609 PMAQI
2nd Aug 20256010 PMAQI
2nd Aug 20256111 PMAQI
3rd Aug 20255712 AMAQI
3rd Aug 2025541 AMAQI
3rd Aug 2025552 AMAQI
3rd Aug 2025543 AMAQI
3rd Aug 2025574 AMAQI
28°C24/34°C
3rd Aug 2025585 AMAQI
3rd Aug 2025576 AMAQI
3rd Aug 2025587 AMAQI
3rd Aug 2025588 AMAQI
3rd Aug 2025659 AMAQI
3rd Aug 20256810 AMAQI
3rd Aug 20257211 AMAQI
3rd Aug 20257012 PMAQI
3rd Aug 2025721 PMAQI
3rd Aug 2025722 PMAQI
3rd Aug 2025763 PMAQI
3rd Aug 2025664 PMAQI
3rd Aug 2025705 PMAQI
3rd Aug 2025666 PMAQI
3rd Aug 2025647 PMAQI
3rd Aug 2025588 PMAQI
3rd Aug 2025589 PMAQI
3rd Aug 20255710 PMAQI
3rd Aug 20255211 PMAQI
4th Aug 20255212 AMAQI
4th Aug 2025551 AMAQI
4th Aug 2025552 AMAQI
4th Aug 2025573 AMAQI
4th Aug 2025584 AMAQI
25°C23/28°C
4th Aug 2025585 AMAQI
4th Aug 2025586 AMAQI
4th Aug 2025597 AMAQI
4th Aug 2025608 AMAQI
4th Aug 2025429 AMAQI
4th Aug 20254410 AMAQI
4th Aug 20255211 AMAQI
4th Aug 20254712 PMAQI
4th Aug 2025581 PMAQI
4th Aug 2025512 PMAQI
4th Aug 2025493 PMAQI
4th Aug 2025514 PMAQI
4th Aug 2025515 PMAQI
4th Aug 2025506 PMAQI
4th Aug 2025517 PMAQI
4th Aug 2025538 PMAQI
4th Aug 2025549 PMAQI
4th Aug 20255410 PMAQI
4th Aug 20255511 PMAQI
5th Aug 20255212 AMAQI
5th Aug 2025541 AMAQI
5th Aug 2025562 AMAQI
5th Aug 2025563 AMAQI
5th Aug 2025554 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 20255410 AMAQI
5th Aug 20255511 AMAQI
5th Aug 20255612 PMAQI
5th Aug 2025541 PMAQI
5th Aug 2025522 PMAQI
5th Aug 2025443 PMAQI
5th Aug 2025364 PMAQI
5th Aug 2025365 PMAQI
5th Aug 2025376 PMAQI
5th Aug 2025387 PMAQI
5th Aug 2025478 PMAQI
5th Aug 2025499 PMAQI
5th Aug 20255210 PMAQI
5th Aug 20255111 PMAQI
6th Aug 20255212 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 2025349 AMAQI
6th Aug 20253210 AMAQI
6th Aug 20253711 AMAQI
6th Aug 20254212 PMAQI
6th Aug 2025451 PMAQI
6th Aug 2025572 PMAQI
6th Aug 2025573 PMAQI
6th Aug 2025484 PMAQI
6th Aug 2025485 PMAQI
6th Aug 2025476 PMAQI
6th Aug 2025527 PMAQI
6th Aug 2025498 PMAQI
6th Aug 2025529 PMAQI
6th Aug 20255010 PMAQI
6th Aug 20255111 PMAQI
7th Aug 20255012 AMAQI
7th Aug 2025541 AMAQI
7th Aug 2025532 AMAQI
7th Aug 2025543 AMAQI
7th Aug 2025534 AMAQI
26°C24/30°C
7th Aug 2025535 AMAQI
7th Aug 2025526 AMAQI
7th Aug 2025527 AMAQI
7th Aug 2025538 AMAQI
7th Aug 2025369 AMAQI
7th Aug 20254510 AMAQI
7th Aug 20255211 AMAQI
7th Aug 20255412 PMAQI
7th Aug 2025521 PMAQI
7th Aug 2025522 PMAQI
7th Aug 2025483 PMAQI
7th Aug 2025494 PMAQI
7th Aug 2025525 PMAQI
7th Aug 2025456 PMAQI
7th Aug 2025427 PMAQI
7th Aug 2025378 PMAQI
7th Aug 2025509 PMAQI
7th Aug 20255010 PMAQI
7th Aug 20254911 PMAQI
8th Aug 20255012 AMAQI
8th Aug 2025521 AMAQI
8th Aug 2025522 AMAQI
8th Aug 2025523 AMAQI
8th Aug 2025524 AMAQI
25°C21/30°C
8th Aug 2025525 AMAQI
8th Aug 2025526 AMAQI
8th Aug 2025527 AMAQI
8th Aug 2025528 AMAQI
8th Aug 2025549 AMAQI
8th Aug 20255510 AMAQI
8th Aug 20254811 AMAQI
8th Aug 20254512 PMAQI
8th Aug 2025511 PMAQI
8th Aug 2025522 PMAQI
8th Aug 2025483 PMAQI
8th Aug 2025464 PMAQI
8th Aug 2025475 PMAQI
8th Aug 2025526 PMAQI
8th Aug 2025507 PMAQI
8th Aug 2025578 PMAQI
8th Aug 2025549 PMAQI
8th Aug 20255310 PMAQI
8th Aug 20255411 PMAQI
9th Aug 20255412 AMAQI
9th Aug 2025521 AMAQI
9th Aug 2025522 AMAQI
9th Aug 2025523 AMAQI
9th Aug 2025524 AMAQI
24°C20/29°C
9th Aug 2025525 AMAQI
9th Aug 2025526 AMAQI
9th Aug 2025527 AMAQI
9th Aug 2025528 AMAQI
9th Aug 2025599 AMAQI
9th Aug 20256510 AMAQI
9th Aug 20256611 AMAQI
9th Aug 20256412 PMAQI
9th Aug 2025611 PMAQI
9th Aug 2025582 PMAQI
9th Aug 2025583 PMAQI
9th Aug 2025554 PMAQI
9th Aug 2025555 PMAQI
9th Aug 2025546 PMAQI
9th Aug 2025547 PMAQI
9th Aug 2025518 PMAQI
9th Aug 2025539 PMAQI
9th Aug 20255310 PMAQI
9th Aug 20255311 PMAQI
10th Aug 20255312 AMAQI
10th Aug 2025531 AMAQI
10th Aug 2025542 AMAQI
10th Aug 2025533 AMAQI
10th Aug 2025544 AMAQI
22°C20/25°C
10th Aug 2025545 AMAQI
10th Aug 2025556 AMAQI
10th Aug 2025557 AMAQI
10th Aug 2025558 AMAQI
10th Aug 2025549 AMAQI
10th Aug 20255210 AMAQI
10th Aug 20255211 AMAQI
10th Aug 20254312 PMAQI
10th Aug 2025441 PMAQI
10th Aug 2025372 PMAQI
10th Aug 2025353 PMAQI
10th Aug 2025404 PMAQI
10th Aug 2025425 PMAQI
10th Aug 2025486 PMAQI
10th Aug 2025517 PMAQI
10th Aug 2025508 PMAQI
10th Aug 2025529 PMAQI
10th Aug 20255310 PMAQI
10th Aug 20255311 PMAQI
11th Aug 20255412 AMAQI
11th Aug 2025541 AMAQI
11th Aug 2025542 AMAQI
11th Aug 2025543 AMAQI
11th Aug 2025544 AMAQI
--°C/°C
11th Aug 2025525 AMAQI
5 AM11th Aug 2025536 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
48AQI
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. 48).
Night time
Avg. Highest Time
12 AM - 4 AM
53AQI
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. 53), while the lowest AQI was between 8 PM to 8 PM (Avg. 49).
2025 Days Vs Air Quality
Seongdong myeon, Hosan, Chungnam, South Korea
2025
27%
59
68%
152
5%
11
Total number of days with different AQI categories in last 222 days in 2025 (143 days remaining)
Good
59 DaysModerate
152 DaysPoor
11 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 27%
Health Risk Level:
Very high
In 2025, 27% of 222 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
Seongdong 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
73AQI
73AQI
2nd January 2025
62AQI
62AQI
3rd January 2025
59AQI
59AQI
4th January 2025
64AQI
64AQI
5th January 2025
66AQI
66AQI
6th January 2025
71AQI
71AQI
7th January 2025
62AQI
62AQI
8th January 2025
65AQI
65AQI
9th January 2025
46AQI
46AQI
10th January 2025
62AQI
62AQI
11th January 2025
69AQI
69AQI
12th January 2025
78AQI
78AQI
13th January 2025
91AQI
91AQI
14th January 2025
91AQI
91AQI
15th January 2025
64AQI
64AQI
16th January 2025
68AQI
68AQI
17th January 2025
87AQI
87AQI
18th January 2025
88AQI
88AQI
19th January 2025
95AQI
95AQI
20th January 2025
119AQI
119AQI
21st January 2025
139AQI
139AQI
22nd January 2025
147AQI
147AQI
23rd January 2025
118AQI
118AQI
24th January 2025
119AQI
119AQI
25th January 2025
73AQI
73AQI
26th January 2025
61AQI
61AQI
27th January 2025
58AQI
58AQI
28th January 2025
46AQI
46AQI
29th January 2025
51AQI
51AQI
30th January 2025
64AQI
64AQI
31st January 2025
82AQI
82AQI
1st February 2025
86AQI
86AQI
2nd February 2025
94AQI
94AQI
3rd February 2025
57AQI
57AQI
4th February 2025
49AQI
49AQI
5th February 2025
54AQI
54AQI
6th February 2025
48AQI
48AQI
7th February 2025
47AQI
47AQI
8th February 2025
44AQI
44AQI
9th February 2025
50AQI
50AQI
10th February 2025
63AQI
63AQI
11th February 2025
68AQI
68AQI
12th February 2025
62AQI
62AQI
13th February 2025
50AQI
50AQI
14th February 2025
71AQI
71AQI
15th February 2025
55AQI
55AQI
16th February 2025
105AQI
105AQI
17th February 2025
49AQI
49AQI
18th February 2025
57AQI
57AQI
19th February 2025
48AQI
48AQI
20th February 2025
51AQI
51AQI
21st February 2025
52AQI
52AQI
22nd February 2025
59AQI
59AQI
23rd February 2025
50AQI
50AQI
24th February 2025
51AQI
51AQI
25th February 2025
55AQI
55AQI
26th February 2025
67AQI
67AQI
27th February 2025
66AQI
66AQI
28th February 2025
69AQI
69AQI
1st March 2025
93AQI
93AQI
2nd March 2025
70AQI
70AQI
3rd March 2025
51AQI
51AQI
4th March 2025
44AQI
44AQI
5th March 2025
37AQI
37AQI
6th March 2025
63AQI
63AQI
7th March 2025
76AQI
76AQI
8th March 2025
77AQI
77AQI
9th March 2025
88AQI
88AQI
10th March 2025
87AQI
87AQI
11th March 2025
94AQI
94AQI
12th March 2025
91AQI
91AQI
13th March 2025
80AQI
80AQI
14th March 2025
76AQI
76AQI
15th March 2025
46AQI
46AQI
16th March 2025
65AQI
65AQI
17th March 2025
64AQI
64AQI
18th March 2025
70AQI
70AQI
19th March 2025
84AQI
84AQI
20th March 2025
100AQI
100AQI
21st March 2025
107AQI
107AQI
22nd March 2025
115AQI
115AQI
23rd March 2025
122AQI
122AQI
24th March 2025
113AQI
113AQI
25th March 2025
121AQI
121AQI
26th March 2025
89AQI
89AQI
27th March 2025
77AQI
77AQI
28th March 2025
57AQI
57AQI
29th March 2025
50AQI
50AQI
30th March 2025
54AQI
54AQI
31st March 2025
66AQI
66AQI
1st April 2025
75AQI
75AQI
2nd April 2025
88AQI
88AQI
3rd April 2025
84AQI
84AQI
4th April 2025
81AQI
81AQI
5th April 2025
69AQI
69AQI
6th April 2025
65AQI
65AQI
7th April 2025
68AQI
68AQI
8th April 2025
70AQI
70AQI
9th April 2025
67AQI
67AQI
10th April 2025
74AQI
74AQI
11th April 2025
84AQI
84AQI
12th April 2025
58AQI
58AQI
13th April 2025
58AQI
58AQI
14th April 2025
41AQI
41AQI
15th April 2025
55AQI
55AQI
16th April 2025
60AQI
60AQI
17th April 2025
66AQI
66AQI
18th April 2025
78AQI
78AQI
19th April 2025
46AQI
46AQI
20th April 2025
66AQI
66AQI
21st April 2025
45AQI
45AQI
22nd April 2025
39AQI
39AQI
23rd April 2025
40AQI
40AQI
24th April 2025
58AQI
58AQI
25th April 2025
60AQI
60AQI
26th April 2025
49AQI
49AQI
27th April 2025
41AQI
41AQI
28th April 2025
56AQI
56AQI
29th April 2025
65AQI
65AQI
30th April 2025
61AQI
61AQI
1st May 2025
54AQI
54AQI
2nd May 2025
49AQI
49AQI
3rd May 2025
49AQI
49AQI
4th May 2025
48AQI
48AQI
5th May 2025
49AQI
49AQI
6th May 2025
47AQI
47AQI
7th May 2025
49AQI
49AQI
8th May 2025
61AQI
61AQI
9th May 2025
42AQI
42AQI
10th May 2025
53AQI
53AQI
11th May 2025
65AQI
65AQI
12th May 2025
68AQI
68AQI
13th May 2025
71AQI
71AQI
14th May 2025
74AQI
74AQI
15th May 2025
53AQI
53AQI
16th May 2025
46AQI
46AQI
17th May 2025
48AQI
48AQI
18th May 2025
58AQI
58AQI
19th May 2025
57AQI
57AQI
20th May 2025
41AQI
41AQI
21st May 2025
45AQI
45AQI
22nd May 2025
46AQI
46AQI
23rd May 2025
57AQI
57AQI
24th May 2025
48AQI
48AQI
25th May 2025
46AQI
46AQI
26th May 2025
62AQI
62AQI
27th May 2025
74AQI
74AQI
28th May 2025
76AQI
76AQI
29th May 2025
77AQI
77AQI
30th May 2025
80AQI
80AQI
31st May 2025
84AQI
84AQI
1st June 2025
83AQI
83AQI
2nd June 2025
93AQI
93AQI
3rd June 2025
76AQI
76AQI
4th June 2025
62AQI
62AQI
5th June 2025
57AQI
57AQI
6th June 2025
61AQI
61AQI
7th June 2025
66AQI
66AQI
8th June 2025
61AQI
61AQI
9th June 2025
61AQI
61AQI
10th June 2025
56AQI
56AQI
11th June 2025
55AQI
55AQI
12th June 2025
57AQI
57AQI
13th June 2025
67AQI
67AQI
14th June 2025
46AQI
46AQI
15th June 2025
60AQI
60AQI
16th June 2025
59AQI
59AQI
17th June 2025
61AQI
61AQI
18th June 2025
63AQI
63AQI
19th June 2025
63AQI
63AQI
20th June 2025
51AQI
51AQI
21st June 2025
49AQI
49AQI
22nd June 2025
43AQI
43AQI
23rd June 2025
50AQI
50AQI
24th June 2025
51AQI
51AQI
25th June 2025
43AQI
43AQI
26th June 2025
54AQI
54AQI
27th June 2025
59AQI
59AQI
28th June 2025
59AQI
59AQI
29th June 2025
49AQI
49AQI
30th June 2025
48AQI
48AQI
1st July 2025
45AQI
45AQI
2nd July 2025
46AQI
46AQI
3rd July 2025
52AQI
52AQI
4th July 2025
51AQI
51AQI
5th July 2025
47AQI
47AQI
6th July 2025
49AQI
49AQI
7th July 2025
56AQI
56AQI
8th July 2025
61AQI
61AQI
9th July 2025
52AQI
52AQI
10th July 2025
51AQI
51AQI
11th July 2025
54AQI
54AQI
12th July 2025
53AQI
53AQI
13th July 2025
60AQI
60AQI
14th July 2025
56AQI
56AQI
15th July 2025
47AQI
47AQI
16th July 2025
54AQI
54AQI
17th July 2025
45AQI
45AQI
18th July 2025
46AQI
46AQI
19th July 2025
39AQI
39AQI
20th July 2025
43AQI
43AQI
21st July 2025
41AQI
41AQI
22nd July 2025
37AQI
37AQI
23rd July 2025
48AQI
48AQI
24th July 2025
54AQI
54AQI
25th July 2025
58AQI
58AQI
26th July 2025
49AQI
49AQI
27th July 2025
42AQI
42AQI
28th July 2025
55AQI
55AQI
29th July 2025
60AQI
60AQI
30th July 2025
56AQI
56AQI
31st July 2025
55AQI
55AQI
1st August 2025
55AQI
55AQI
2nd August 2025
61AQI
61AQI
3rd August 2025
61AQI
61AQI
4th August 2025
52AQI
52AQI
5th August 2025
50AQI
50AQI
6th August 2025
51AQI
51AQI
7th August 2025
50AQI
50AQI
8th August 2025
51AQI
51AQI
9th August 2025
55AQI
55AQI
10th August 2025
53AQI
53AQI
79AQI
60AQI
78AQI
62AQI
57AQI
59AQI
50AQI
54AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202563AQI
2
24
5
9
18
1
4
22
5
7
23
14
17
7
23
14
17
2
8
59
152
11
Highest AQI recorded in
January79AQI
Lowest AQI recorded in
July50AQI
202458AQI
8
11
12
11
9
8
1
5
21
5
7
20
3
17
14
14
16
27
4
21
10
22
7
13
18
9
21
3
28
157
179
28
1
Highest AQI recorded in
January83AQI
Lowest AQI recorded in
July33AQI
202369AQI
6
18
5
1
16
8
3
2
15
14
2
21
6
1
7
24
8
22
18
13
14
17
19
11
9
19
2
7
21
1
5
16
8
2
97
213
44
7
Highest AQI recorded in
February100AQI
Lowest AQI recorded in
July45AQI
202274AQI
7
7
9
17
5
4
18
8
4
22
5
24
64
18
Highest AQI recorded in
November88AQI
Lowest AQI recorded in
September55AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2022(Avg.)
74AQILeast Polluted Year Recorded
2024(Avg.)
58AQISeongdong myeon's annual 2025 AQI (63) shows an average percentage change of -4.3% (improved AQI) compared to previous years: 2022 (74), 2023 (69), 2024 (58).
