Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Hongseonggun Eup, Hongseong, 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

Hongseonggun Eup, Hongseong, Chungnam, South Korea

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
1st Aug 2021
112AQI
Lowest AQI recorded on
10th Aug 2023
31AQI

Same Day Analysis (5th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 55 of Moderate air quality, showing improvement over 2024 and 2023 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 5th Aug - 6th Aug 2025

Hongseonggun Eup, Hongseong, Chungnam, South Korea

AQI
Day
Night
.

5 AM5th Aug 2025

7 PM

4 AM6th Aug 2025

Day time
Avg. Highest Time
12PM5th Aug

60AQI

Avg. Lowest Time
7PM5th Aug

40AQI

Night time
Avg. Highest Time
1AM6th Aug

55AQI

Avg. Lowest Time
9PM5th Aug

47AQI

In the last 24 hours,

Hongseonggun Eup's AQI reached its highest point of 60 at 12 PM during the Day, while the lowest point, 40, was recorded at 7 PM during the Day between 5th Aug and 6th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Hongseonggun Eup, Hongseong, Chungnam, South Korea

JulAug
07th - 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 - 05th05th - 06th06th
Day
Night
7th Jul 2025525 AMAQI
7th Jul 2025526 AMAQI
7th Jul 2025527 AMAQI
7th Jul 2025528 AMAQI
7th Jul 2025559 AMAQI
7th Jul 20256610 AMAQI
7th Jul 20257511 AMAQI
7th Jul 20257612 PMAQI
7th Jul 2025711 PMAQI
7th Jul 2025662 PMAQI
7th Jul 2025703 PMAQI
7th Jul 2025724 PMAQI
7th Jul 2025685 PMAQI
7th Jul 2025656 PMAQI
7th Jul 2025607 PMAQI
7th Jul 2025568 PMAQI
7th Jul 2025539 PMAQI
7th Jul 20255410 PMAQI
7th Jul 20255311 PMAQI
8th Jul 20255212 AMAQI
8th Jul 2025541 AMAQI
8th Jul 2025522 AMAQI
8th Jul 2025523 AMAQI
8th Jul 2025524 AMAQI

28°C22/35°C

8th Jul 2025525 AMAQI
8th Jul 2025526 AMAQI
8th Jul 2025537 AMAQI
8th Jul 2025528 AMAQI
8th Jul 2025749 AMAQI
8th Jul 20257510 AMAQI
8th Jul 20258411 AMAQI
8th Jul 20258812 PMAQI
8th Jul 2025761 PMAQI
8th Jul 2025752 PMAQI
8th Jul 2025773 PMAQI
8th Jul 2025764 PMAQI
8th Jul 2025765 PMAQI
8th Jul 2025766 PMAQI
8th Jul 2025787 PMAQI
8th Jul 2025738 PMAQI
8th Jul 2025579 PMAQI
8th Jul 20255710 PMAQI
8th Jul 20255611 PMAQI
9th Jul 20255512 AMAQI
9th Jul 2025531 AMAQI
9th Jul 2025532 AMAQI
9th Jul 2025543 AMAQI
9th Jul 2025544 AMAQI

28°C24/36°C

9th Jul 2025555 AMAQI
9th Jul 2025546 AMAQI
9th Jul 2025557 AMAQI
9th Jul 2025548 AMAQI
9th Jul 2025619 AMAQI
9th Jul 20255810 AMAQI
9th Jul 20255611 AMAQI
9th Jul 20255812 PMAQI
9th Jul 2025531 PMAQI
9th Jul 2025542 PMAQI
9th Jul 2025533 PMAQI
9th Jul 2025494 PMAQI
9th Jul 2025505 PMAQI
9th Jul 2025516 PMAQI
9th Jul 2025547 PMAQI
9th Jul 2025558 PMAQI
9th Jul 2025569 PMAQI
9th Jul 20255610 PMAQI
9th Jul 20255611 PMAQI
10th Jul 20255712 AMAQI
10th Jul 2025571 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 2025509 AMAQI
10th Jul 20254810 AMAQI
10th Jul 20254311 AMAQI
10th Jul 20253912 PMAQI
10th Jul 2025451 PMAQI
10th Jul 2025502 PMAQI
10th Jul 2025483 PMAQI
10th Jul 2025484 PMAQI
10th Jul 2025495 PMAQI
10th Jul 2025516 PMAQI
10th Jul 2025467 PMAQI
10th Jul 2025558 PMAQI
10th Jul 2025609 PMAQI
10th Jul 20256210 PMAQI
10th Jul 20255911 PMAQI
11th Jul 20255712 AMAQI
11th Jul 2025601 AMAQI
11th Jul 2025592 AMAQI
11th Jul 2025593 AMAQI
11th Jul 2025594 AMAQI

28°C23/34°C

11th Jul 2025595 AMAQI
11th Jul 2025586 AMAQI
11th Jul 2025567 AMAQI
11th Jul 2025568 AMAQI
11th Jul 2025469 AMAQI
11th Jul 20254410 AMAQI
11th Jul 20255311 AMAQI
11th Jul 20254812 PMAQI
11th Jul 2025521 PMAQI
11th Jul 2025482 PMAQI
11th Jul 2025523 PMAQI
11th Jul 2025544 PMAQI
11th Jul 2025545 PMAQI
11th Jul 2025536 PMAQI
11th Jul 2025547 PMAQI
11th Jul 2025548 PMAQI
11th Jul 2025559 PMAQI
11th Jul 20255610 PMAQI
11th Jul 20255611 PMAQI
12th Jul 20255612 AMAQI
12th Jul 2025561 AMAQI
12th Jul 2025582 AMAQI
12th Jul 2025583 AMAQI
12th Jul 2025584 AMAQI

27°C22/34°C

12th Jul 2025585 AMAQI
12th Jul 2025576 AMAQI
12th Jul 2025577 AMAQI
12th Jul 2025578 AMAQI
12th Jul 2025419 AMAQI
12th Jul 20253510 AMAQI
12th Jul 20253611 AMAQI
12th Jul 20254312 PMAQI
12th Jul 2025471 PMAQI
12th Jul 2025482 PMAQI
12th Jul 2025463 PMAQI
12th Jul 2025474 PMAQI
12th Jul 2025525 PMAQI
12th Jul 2025486 PMAQI
12th Jul 2025547 PMAQI
12th Jul 2025548 PMAQI
12th Jul 2025569 PMAQI
12th Jul 20255610 PMAQI
12th Jul 20255711 PMAQI
13th Jul 20255712 AMAQI
13th Jul 2025571 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 2025609 AMAQI
13th Jul 20256410 AMAQI
13th Jul 20256611 AMAQI
13th Jul 20256612 PMAQI
13th Jul 2025661 PMAQI
13th Jul 2025662 PMAQI
13th Jul 2025693 PMAQI
13th Jul 2025694 PMAQI
13th Jul 2025705 PMAQI
13th Jul 2025716 PMAQI
13th Jul 2025697 PMAQI
13th Jul 2025738 PMAQI
13th Jul 2025599 PMAQI
13th Jul 20255910 PMAQI
13th Jul 20255711 PMAQI
14th Jul 20255812 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 2025586 AMAQI
14th Jul 2025587 AMAQI
14th Jul 2025588 AMAQI
14th Jul 2025689 AMAQI
14th Jul 20257210 AMAQI
14th Jul 20256811 AMAQI
14th Jul 20256812 PMAQI
14th Jul 2025641 PMAQI
14th Jul 2025662 PMAQI
14th Jul 2025663 PMAQI
14th Jul 2025644 PMAQI
14th Jul 2025605 PMAQI
14th Jul 2025576 PMAQI
14th Jul 2025507 PMAQI
14th Jul 2025528 PMAQI
14th Jul 2025559 PMAQI
14th Jul 20255410 PMAQI
14th Jul 20255511 PMAQI
15th Jul 20255412 AMAQI
15th Jul 2025571 AMAQI
15th Jul 2025572 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 20252310 AMAQI
15th Jul 20252611 AMAQI
15th Jul 20252412 PMAQI
15th Jul 2025341 PMAQI
15th Jul 2025392 PMAQI
15th Jul 2025383 PMAQI
15th Jul 2025394 PMAQI
15th Jul 2025435 PMAQI
15th Jul 2025366 PMAQI
15th Jul 2025347 PMAQI
15th Jul 2025388 PMAQI
15th Jul 2025539 PMAQI
15th Jul 20255310 PMAQI
15th Jul 20255311 PMAQI
16th Jul 20255412 AMAQI
16th Jul 2025561 AMAQI
16th Jul 2025572 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 2025649 AMAQI
16th Jul 20256210 AMAQI
16th Jul 20256211 AMAQI
16th Jul 20255812 PMAQI
16th Jul 2025521 PMAQI
16th Jul 2025542 PMAQI
16th Jul 2025523 PMAQI
16th Jul 2025484 PMAQI
16th Jul 2025475 PMAQI
16th Jul 2025436 PMAQI
16th Jul 2025407 PMAQI
16th Jul 2025468 PMAQI
16th Jul 2025529 PMAQI
16th Jul 20255210 PMAQI
16th Jul 20255311 PMAQI
17th Jul 20255312 AMAQI
17th Jul 2025551 AMAQI
17th Jul 2025542 AMAQI
17th Jul 2025553 AMAQI
17th Jul 2025544 AMAQI

21°C19/24°C

17th Jul 2025565 AMAQI
17th Jul 2025566 AMAQI
17th Jul 2025557 AMAQI
17th Jul 2025558 AMAQI
17th Jul 2025269 AMAQI
17th Jul 20251910 AMAQI
17th Jul 20251911 AMAQI
17th Jul 20251812 PMAQI
17th Jul 2025321 PMAQI
17th Jul 2025302 PMAQI
17th Jul 2025323 PMAQI
17th Jul 2025314 PMAQI
17th Jul 2025285 PMAQI
17th Jul 2025286 PMAQI
17th Jul 2025357 PMAQI
17th Jul 2025378 PMAQI
17th Jul 2025509 PMAQI
17th Jul 20255210 PMAQI
17th Jul 20255111 PMAQI
18th Jul 20255112 AMAQI
18th Jul 2025541 AMAQI
18th Jul 2025552 AMAQI
18th Jul 2025553 AMAQI
18th Jul 2025544 AMAQI

23°C21/26°C

18th Jul 2025545 AMAQI
18th Jul 2025546 AMAQI
18th Jul 2025547 AMAQI
18th Jul 2025548 AMAQI
18th Jul 2025359 AMAQI
18th Jul 20252910 AMAQI
18th Jul 20252911 AMAQI
18th Jul 20253012 PMAQI
18th Jul 2025371 PMAQI
18th Jul 2025382 PMAQI
18th Jul 2025403 PMAQI
18th Jul 2025444 PMAQI
18th Jul 2025445 PMAQI
18th Jul 2025496 PMAQI
18th Jul 2025507 PMAQI
18th Jul 2025488 PMAQI
18th Jul 2025529 PMAQI
18th Jul 20255210 PMAQI
18th Jul 20255211 PMAQI
19th Jul 20255212 AMAQI
19th Jul 2025521 AMAQI
19th Jul 2025542 AMAQI
19th Jul 2025543 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 20251610 AMAQI
19th Jul 20251811 AMAQI
19th Jul 20252012 PMAQI
19th Jul 2025221 PMAQI
19th Jul 2025292 PMAQI
19th Jul 2025323 PMAQI
19th Jul 2025354 PMAQI
19th Jul 2025285 PMAQI
19th Jul 2025306 PMAQI
19th Jul 2025307 PMAQI
19th Jul 2025338 PMAQI
19th Jul 2025439 PMAQI
19th Jul 20254510 PMAQI
19th Jul 20254411 PMAQI
20th Jul 20254412 AMAQI
20th Jul 2025511 AMAQI
20th Jul 2025532 AMAQI
20th Jul 2025533 AMAQI
20th Jul 2025524 AMAQI

25°C22/27°C

20th Jul 2025515 AMAQI
20th Jul 2025526 AMAQI
20th Jul 2025517 AMAQI
20th Jul 2025518 AMAQI
20th Jul 2025399 AMAQI
20th Jul 20253410 AMAQI
20th Jul 20254011 AMAQI
20th Jul 20253912 PMAQI
20th Jul 2025421 PMAQI
20th Jul 2025442 PMAQI
20th Jul 2025473 PMAQI
20th Jul 2025454 PMAQI
20th Jul 2025455 PMAQI
20th Jul 2025476 PMAQI
20th Jul 2025517 PMAQI
20th Jul 2025528 PMAQI
20th Jul 2025519 PMAQI
20th Jul 20255010 PMAQI
20th Jul 20255211 PMAQI
21st Jul 20255212 AMAQI
21st Jul 2025521 AMAQI
21st Jul 2025502 AMAQI
21st Jul 2025503 AMAQI
21st Jul 2025504 AMAQI

26°C22/32°C

21st Jul 2025495 AMAQI
21st Jul 2025496 AMAQI
21st Jul 2025507 AMAQI
21st Jul 2025498 AMAQI
21st Jul 2025509 AMAQI
21st Jul 20255410 AMAQI
21st Jul 20255311 AMAQI
21st Jul 20255212 PMAQI
21st Jul 2025401 PMAQI
21st Jul 2025392 PMAQI
21st Jul 2025363 PMAQI
21st Jul 2025364 PMAQI
21st Jul 2025325 PMAQI
21st Jul 2025336 PMAQI
21st Jul 2025327 PMAQI
21st Jul 2025348 PMAQI
21st Jul 2025449 PMAQI
21st Jul 20254310 PMAQI
21st Jul 20254311 PMAQI
22nd Jul 20254212 AMAQI
22nd Jul 2025471 AMAQI
22nd Jul 2025502 AMAQI
22nd Jul 2025513 AMAQI
22nd Jul 2025514 AMAQI

27°C23/31°C

22nd Jul 2025505 AMAQI
22nd Jul 2025506 AMAQI
22nd Jul 2025507 AMAQI
22nd Jul 2025518 AMAQI
22nd Jul 2025319 AMAQI
22nd Jul 20253010 AMAQI
22nd Jul 20253311 AMAQI
22nd Jul 20252712 PMAQI
22nd Jul 2025261 PMAQI
22nd Jul 2025262 PMAQI
22nd Jul 2025283 PMAQI
22nd Jul 2025294 PMAQI
22nd Jul 2025315 PMAQI
22nd Jul 2025346 PMAQI
22nd Jul 2025377 PMAQI
22nd Jul 2025408 PMAQI
22nd Jul 2025489 PMAQI
22nd Jul 20254910 PMAQI
22nd Jul 20254611 PMAQI
23rd Jul 20254412 AMAQI
23rd Jul 2025441 AMAQI
23rd Jul 2025462 AMAQI
23rd Jul 2025503 AMAQI
23rd Jul 2025484 AMAQI

26°C22/31°C

23rd Jul 2025475 AMAQI
23rd Jul 2025476 AMAQI
23rd Jul 2025467 AMAQI
23rd Jul 2025478 AMAQI
23rd Jul 2025409 AMAQI
23rd Jul 20254210 AMAQI
23rd Jul 20254411 AMAQI
23rd Jul 20254912 PMAQI
23rd Jul 2025501 PMAQI
23rd Jul 2025512 PMAQI
23rd Jul 2025513 PMAQI
23rd Jul 2025524 PMAQI
23rd Jul 2025535 PMAQI
23rd Jul 2025536 PMAQI
23rd Jul 2025527 PMAQI
23rd Jul 2025448 PMAQI
23rd Jul 2025469 PMAQI
23rd Jul 20254610 PMAQI
23rd Jul 20254711 PMAQI
24th Jul 20254912 AMAQI
24th Jul 2025481 AMAQI
24th Jul 2025462 AMAQI
24th Jul 2025473 AMAQI
24th Jul 2025474 AMAQI

26°C22/32°C

24th Jul 2025475 AMAQI
24th Jul 2025476 AMAQI
24th Jul 2025477 AMAQI
24th Jul 2025468 AMAQI
24th Jul 2025509 AMAQI
24th Jul 20255310 AMAQI
24th Jul 20255211 AMAQI
24th Jul 20255612 PMAQI
24th Jul 2025561 PMAQI
24th Jul 2025602 PMAQI
24th Jul 2025613 PMAQI
24th Jul 2025614 PMAQI
24th Jul 2025625 PMAQI
24th Jul 2025616 PMAQI
24th Jul 2025617 PMAQI
24th Jul 2025608 PMAQI
24th Jul 2025569 PMAQI
24th Jul 20255810 PMAQI
24th Jul 20255611 PMAQI
25th Jul 20255712 AMAQI
25th Jul 2025571 AMAQI
25th Jul 2025512 AMAQI
25th Jul 2025473 AMAQI
25th Jul 2025484 AMAQI

27°C22/34°C

25th Jul 2025525 AMAQI
25th Jul 2025526 AMAQI
25th Jul 2025517 AMAQI
25th Jul 2025518 AMAQI
25th Jul 2025709 AMAQI
25th Jul 20257610 AMAQI
25th Jul 20257811 AMAQI
25th Jul 20257412 PMAQI
25th Jul 2025661 PMAQI
25th Jul 2025642 PMAQI
25th Jul 2025723 PMAQI
25th Jul 2025784 PMAQI
25th Jul 2025745 PMAQI
25th Jul 2025776 PMAQI
25th Jul 2025747 PMAQI
25th Jul 2025728 PMAQI
25th Jul 2025639 PMAQI
25th Jul 20256210 PMAQI
25th Jul 20256311 PMAQI
26th Jul 20256112 AMAQI
26th Jul 2025521 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025533 AMAQI
26th Jul 2025544 AMAQI

28°C23/35°C

26th Jul 2025545 AMAQI
26th Jul 2025546 AMAQI
26th Jul 2025557 AMAQI
26th Jul 2025558 AMAQI
26th Jul 2025609 AMAQI
26th Jul 20255610 AMAQI
26th Jul 20255011 AMAQI
26th Jul 20255012 PMAQI
26th Jul 2025541 PMAQI
26th Jul 2025562 PMAQI
26th Jul 2025543 PMAQI
26th Jul 2025614 PMAQI
26th Jul 2025605 PMAQI
26th Jul 2025666 PMAQI
26th Jul 2025787 PMAQI
26th Jul 2025708 PMAQI
26th Jul 2025639 PMAQI
26th Jul 20256310 PMAQI
26th Jul 20256311 PMAQI
27th Jul 20255912 AMAQI
27th Jul 2025541 AMAQI
27th Jul 2025542 AMAQI
27th Jul 2025543 AMAQI
27th Jul 2025544 AMAQI

29°C24/35°C

27th Jul 2025555 AMAQI
27th Jul 2025556 AMAQI
27th Jul 2025557 AMAQI
27th Jul 2025558 AMAQI
27th Jul 2025559 AMAQI
27th Jul 20254510 AMAQI
27th Jul 20253011 AMAQI
27th Jul 20252812 PMAQI
27th Jul 2025351 PMAQI
27th Jul 2025432 PMAQI
27th Jul 2025463 PMAQI
27th Jul 2025384 PMAQI
27th Jul 2025475 PMAQI
27th Jul 2025526 PMAQI
27th Jul 2025527 PMAQI
27th Jul 2025548 PMAQI
27th Jul 2025559 PMAQI
27th Jul 20255710 PMAQI
27th Jul 20255611 PMAQI
28th Jul 20255612 AMAQI
28th Jul 2025561 AMAQI
28th Jul 2025562 AMAQI
28th Jul 2025563 AMAQI
28th Jul 2025564 AMAQI

29°C24/36°C

28th Jul 2025555 AMAQI
28th Jul 2025556 AMAQI
28th Jul 2025557 AMAQI
28th Jul 2025558 AMAQI
28th Jul 2025679 AMAQI
28th Jul 20256810 AMAQI
28th Jul 20256111 AMAQI
28th Jul 20255912 PMAQI
28th Jul 2025561 PMAQI
28th Jul 2025562 PMAQI
28th Jul 2025543 PMAQI
28th Jul 2025544 PMAQI
28th Jul 2025545 PMAQI
28th Jul 2025556 PMAQI
28th Jul 2025577 PMAQI
28th Jul 2025598 PMAQI
28th Jul 2025559 PMAQI
28th Jul 20255510 PMAQI
28th Jul 20255511 PMAQI
29th Jul 20255512 AMAQI
29th Jul 2025561 AMAQI
29th Jul 2025562 AMAQI
29th Jul 2025563 AMAQI
29th Jul 2025564 AMAQI

28°C24/34°C

29th Jul 2025565 AMAQI
29th Jul 2025566 AMAQI
29th Jul 2025567 AMAQI
29th Jul 2025568 AMAQI
29th Jul 2025669 AMAQI
29th Jul 20257110 AMAQI
29th Jul 20257511 AMAQI
29th Jul 20257412 PMAQI
29th Jul 2025701 PMAQI
29th Jul 2025712 PMAQI
29th Jul 2025673 PMAQI
29th Jul 2025624 PMAQI
29th Jul 2025645 PMAQI
29th Jul 2025596 PMAQI
29th Jul 2025597 PMAQI
29th Jul 2025608 PMAQI
29th Jul 2025589 PMAQI
29th Jul 20255810 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

28°C23/35°C

30th Jul 2025565 AMAQI
30th Jul 2025566 AMAQI
30th Jul 2025567 AMAQI
30th Jul 2025568 AMAQI
30th Jul 2025769 AMAQI
30th Jul 20258210 AMAQI
30th Jul 20258411 AMAQI
30th Jul 20258312 PMAQI
30th Jul 2025801 PMAQI
30th Jul 2025762 PMAQI
30th Jul 2025713 PMAQI
30th Jul 2025674 PMAQI
30th Jul 2025625 PMAQI
30th Jul 2025556 PMAQI
30th Jul 2025547 PMAQI
30th Jul 2025598 PMAQI
30th Jul 2025589 PMAQI
30th Jul 20256110 PMAQI
30th Jul 20256111 PMAQI
31st Jul 20256012 AMAQI
31st Jul 2025571 AMAQI
31st Jul 2025572 AMAQI
31st Jul 2025583 AMAQI
31st Jul 2025574 AMAQI

28°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 20256111 AMAQI
31st Jul 20255712 PMAQI
31st Jul 2025561 PMAQI
31st Jul 2025622 PMAQI
31st Jul 2025583 PMAQI
31st Jul 2025604 PMAQI
31st Jul 2025575 PMAQI
31st Jul 2025586 PMAQI
31st Jul 2025597 PMAQI
31st Jul 2025588 PMAQI
31st Jul 2025539 PMAQI
31st Jul 20255410 PMAQI
31st Jul 20255411 PMAQI
1st Aug 20255612 AMAQI
1st Aug 2025541 AMAQI
1st Aug 2025562 AMAQI
1st Aug 2025553 AMAQI
1st Aug 2025564 AMAQI

27°C24/33°C

1st Aug 2025565 AMAQI
1st Aug 2025566 AMAQI
1st Aug 2025567 AMAQI
1st Aug 2025568 AMAQI
1st Aug 2025599 AMAQI
1st Aug 20256410 AMAQI
1st Aug 20256511 AMAQI
1st Aug 20256312 PMAQI
1st Aug 2025561 PMAQI
1st Aug 2025602 PMAQI
1st Aug 2025593 PMAQI
1st Aug 2025584 PMAQI
1st Aug 2025555 PMAQI
1st Aug 2025546 PMAQI
1st Aug 2025567 PMAQI
1st Aug 2025568 PMAQI
1st Aug 2025609 PMAQI
1st Aug 20256110 PMAQI
1st Aug 20255911 PMAQI
2nd Aug 20256012 AMAQI
2nd Aug 2025551 AMAQI
2nd Aug 2025552 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025564 AMAQI

27°C23/34°C

2nd Aug 2025565 AMAQI
2nd Aug 2025556 AMAQI
2nd Aug 2025567 AMAQI
2nd Aug 2025568 AMAQI
2nd Aug 2025729 AMAQI
2nd Aug 20257610 AMAQI
2nd Aug 20257211 AMAQI
2nd Aug 20257612 PMAQI
2nd Aug 2025731 PMAQI
2nd Aug 2025602 PMAQI
2nd Aug 2025543 PMAQI
2nd Aug 2025574 PMAQI
2nd Aug 2025585 PMAQI
2nd Aug 2025656 PMAQI
2nd Aug 2025617 PMAQI
2nd Aug 2025558 PMAQI
2nd Aug 2025599 PMAQI
2nd Aug 20256010 PMAQI
2nd Aug 20255911 PMAQI
3rd Aug 20255612 AMAQI
3rd Aug 2025551 AMAQI
3rd Aug 2025562 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 2025598 AMAQI
3rd Aug 2025609 AMAQI
3rd Aug 20256610 AMAQI
3rd Aug 20257211 AMAQI
3rd Aug 20256812 PMAQI
3rd Aug 2025721 PMAQI
3rd Aug 2025722 PMAQI
3rd Aug 2025683 PMAQI
3rd Aug 2025684 PMAQI
3rd Aug 2025685 PMAQI
3rd Aug 2025686 PMAQI
3rd Aug 2025667 PMAQI
3rd Aug 2025588 PMAQI
3rd Aug 2025589 PMAQI
3rd Aug 20255610 PMAQI
3rd Aug 20254911 PMAQI
4th Aug 20255212 AMAQI
4th Aug 2025551 AMAQI
4th Aug 2025552 AMAQI
4th Aug 2025573 AMAQI
4th Aug 2025584 AMAQI

25°C22/28°C

4th Aug 2025585 AMAQI
4th Aug 2025586 AMAQI
4th Aug 2025597 AMAQI
4th Aug 2025598 AMAQI
4th Aug 2025489 AMAQI
4th Aug 20254610 AMAQI
4th Aug 20255011 AMAQI
4th Aug 20254512 PMAQI
4th Aug 2025551 PMAQI
4th Aug 2025502 PMAQI
4th Aug 2025463 PMAQI
4th Aug 2025504 PMAQI
4th Aug 2025475 PMAQI
4th Aug 2025506 PMAQI
4th Aug 2025417 PMAQI
4th Aug 2025538 PMAQI
4th Aug 2025529 PMAQI
4th Aug 20255410 PMAQI
4th Aug 20255411 PMAQI
5th Aug 20255412 AMAQI
5th Aug 2025531 AMAQI
5th Aug 2025562 AMAQI
5th Aug 2025573 AMAQI
5th Aug 2025554 AMAQI

26°C23/30°C

5th Aug 2025565 AMAQI
5th Aug 2025556 AMAQI
5th Aug 2025567 AMAQI
5th Aug 2025558 AMAQI
5th Aug 2025539 AMAQI
5th Aug 20255510 AMAQI
5th Aug 20255811 AMAQI
5th Aug 20256012 PMAQI
5th Aug 2025561 PMAQI
5th Aug 2025562 PMAQI
5th Aug 2025543 PMAQI
5th Aug 2025404 PMAQI
5th Aug 2025445 PMAQI
5th Aug 2025446 PMAQI
5th Aug 2025407 PMAQI
5th Aug 2025488 PMAQI
5th Aug 2025479 PMAQI
5th Aug 20254810 PMAQI
5th Aug 20254811 PMAQI
6th Aug 20255112 AMAQI
6th Aug 2025551 AMAQI
6th Aug 2025552 AMAQI
6th Aug 2025553 AMAQI
6th Aug 2025554 AMAQI

26°C22/32°C

6th Aug 2025555 AMAQI
5 AM
6th Aug 2025556 AMAQI
6th Aug 2025557 AMAQI
6th Aug 2025558 AMAQI
6th Aug 2025299 AMAQI
6th Aug 20254210 AMAQI
6th Aug 20254511 AMAQI
6th Aug 20254712 PMAQI
12 PM
6th Aug 2025481 PMAQI
7 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 7 PM

53AQI

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

53AQI

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. 53), while the lowest AQI was between 5 AM to 7 PM (Avg. 53).
Night time
Avg. Highest Time
12 AM - 11 PM

54AQI

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

54AQI

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. 54), while the lowest AQI was between 12 AM to 11 PM (Avg. 54).

2025 Days Vs Air Quality

Hongseonggun Eup, Hongseong, Chungnam, South Korea

2025

17%

36

76%

165

7%

16

Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)

Good
36 Days
Moderate
165 Days
Poor
16 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 17%

Health Risk Level:

Extreme

In 2025, 17% of 218 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

Hongseonggun Eup, Hongseong, 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
76AQI
2nd January 2025
58AQI
3rd January 2025
62AQI
4th January 2025
60AQI
5th January 2025
69AQI
6th January 2025
80AQI
7th January 2025
56AQI
8th January 2025
63AQI
9th January 2025
40AQI
10th January 2025
61AQI
11th January 2025
64AQI
12th January 2025
78AQI
13th January 2025
87AQI
14th January 2025
90AQI
15th January 2025
54AQI
16th January 2025
69AQI
17th January 2025
72AQI
18th January 2025
73AQI
19th January 2025
77AQI
20th January 2025
117AQI
21st January 2025
122AQI
22nd January 2025
134AQI
23rd January 2025
113AQI
24th January 2025
117AQI
25th January 2025
87AQI
26th January 2025
65AQI
27th January 2025
68AQI
28th January 2025
54AQI
29th January 2025
56AQI
30th January 2025
60AQI
31st January 2025
80AQI
1st February 2025
115AQI
2nd February 2025
106AQI
3rd February 2025
63AQI
4th February 2025
53AQI
5th February 2025
48AQI
6th February 2025
55AQI
7th February 2025
48AQI
8th February 2025
42AQI
9th February 2025
52AQI
10th February 2025
58AQI
11th February 2025
78AQI
12th February 2025
68AQI
13th February 2025
55AQI
14th February 2025
75AQI
15th February 2025
58AQI
16th February 2025
106AQI
17th February 2025
53AQI
18th February 2025
60AQI
19th February 2025
47AQI
20th February 2025
52AQI
21st February 2025
51AQI
22nd February 2025
57AQI
23rd February 2025
53AQI
24th February 2025
52AQI
25th February 2025
52AQI
26th February 2025
73AQI
27th February 2025
56AQI
28th February 2025
72AQI
1st March 2025
104AQI
2nd March 2025
82AQI
3rd March 2025
56AQI
4th March 2025
48AQI
5th March 2025
40AQI
6th March 2025
74AQI
7th March 2025
82AQI
8th March 2025
84AQI
9th March 2025
109AQI
10th March 2025
101AQI
11th March 2025
102AQI
12th March 2025
99AQI
13th March 2025
86AQI
14th March 2025
85AQI
15th March 2025
62AQI
16th March 2025
73AQI
17th March 2025
64AQI
18th March 2025
80AQI
19th March 2025
81AQI
20th March 2025
97AQI
21st March 2025
100AQI
22nd March 2025
114AQI
23rd March 2025
118AQI
24th March 2025
113AQI
25th March 2025
130AQI
26th March 2025
94AQI
27th March 2025
91AQI
28th March 2025
60AQI
29th March 2025
51AQI
30th March 2025
49AQI
31st March 2025
65AQI
1st April 2025
74AQI
2nd April 2025
80AQI
3rd April 2025
86AQI
4th April 2025
81AQI
5th April 2025
76AQI
6th April 2025
68AQI
7th April 2025
74AQI
8th April 2025
77AQI
9th April 2025
67AQI
10th April 2025
73AQI
11th April 2025
82AQI
12th April 2025
66AQI
13th April 2025
63AQI
14th April 2025
46AQI
15th April 2025
62AQI
16th April 2025
63AQI
17th April 2025
72AQI
18th April 2025
84AQI
19th April 2025
53AQI
20th April 2025
74AQI
21st April 2025
61AQI
22nd April 2025
50AQI
23rd April 2025
45AQI
24th April 2025
66AQI
25th April 2025
60AQI
26th April 2025
52AQI
27th April 2025
42AQI
28th April 2025
61AQI
29th April 2025
65AQI
30th April 2025
60AQI
1st May 2025
58AQI
2nd May 2025
54AQI
3rd May 2025
56AQI
4th May 2025
51AQI
5th May 2025
54AQI
6th May 2025
51AQI
7th May 2025
54AQI
8th May 2025
59AQI
9th May 2025
51AQI
10th May 2025
62AQI
11th May 2025
72AQI
12th May 2025
71AQI
13th May 2025
75AQI
14th May 2025
70AQI
15th May 2025
59AQI
16th May 2025
47AQI
17th May 2025
41AQI
18th May 2025
59AQI
19th May 2025
58AQI
20th May 2025
37AQI
21st May 2025
46AQI
22nd May 2025
50AQI
23rd May 2025
59AQI
24th May 2025
56AQI
25th May 2025
48AQI
26th May 2025
67AQI
27th May 2025
72AQI
28th May 2025
77AQI
29th May 2025
79AQI
30th May 2025
81AQI
31st May 2025
86AQI
1st June 2025
81AQI
2nd June 2025
94AQI
3rd June 2025
73AQI
4th June 2025
61AQI
5th June 2025
54AQI
6th June 2025
59AQI
7th June 2025
67AQI
8th June 2025
63AQI
9th June 2025
64AQI
10th June 2025
57AQI
11th June 2025
54AQI
12th June 2025
60AQI
13th June 2025
68AQI
14th June 2025
55AQI
15th June 2025
60AQI
16th June 2025
63AQI
17th June 2025
63AQI
18th June 2025
64AQI
19th June 2025
64AQI
20th June 2025
51AQI
21st June 2025
49AQI
22nd June 2025
53AQI
23rd June 2025
57AQI
24th June 2025
59AQI
25th June 2025
49AQI
26th June 2025
50AQI
27th June 2025
60AQI
28th June 2025
56AQI
29th June 2025
49AQI
30th June 2025
48AQI
1st July 2025
46AQI
2nd July 2025
49AQI
3rd July 2025
52AQI
4th July 2025
50AQI
5th July 2025
49AQI
6th July 2025
50AQI
7th July 2025
57AQI
8th July 2025
63AQI
9th July 2025
54AQI
10th July 2025
53AQI
11th July 2025
55AQI
12th July 2025
53AQI
13th July 2025
61AQI
14th July 2025
59AQI
15th July 2025
47AQI
16th July 2025
53AQI
17th July 2025
44AQI
18th July 2025
48AQI
19th July 2025
41AQI
20th July 2025
47AQI
21st July 2025
46AQI
22nd July 2025
41AQI
23rd July 2025
47AQI
24th July 2025
53AQI
25th July 2025
62AQI
26th July 2025
59AQI
27th July 2025
52AQI
28th July 2025
57AQI
29th July 2025
60AQI
30th July 2025
62AQI
31st July 2025
57AQI
1st August 2025
58AQI
2nd August 2025
60AQI
3rd August 2025
61AQI
4th August 2025
52AQI
5th August 2025
55AQI

76AQI

63AQI

84AQI

66AQI

60AQI

60AQI

52AQI

57AQI

No. of days

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

202566AQI

1
25
5
4
21
3
3
20
8
4
26
6
25
5
25
13
18
5
36
165
16

Highest AQI recorded in

March

84AQI

Lowest AQI recorded in

July

52AQI

202464AQI

8
14
9
8
13
7
1
6
21
4
1
27
2
6
23
2
2
27
23
8
11
20
18
12
11
19
1
9
19
2
7
24
110
227
27
1

Highest AQI recorded in

January

80AQI

Lowest AQI recorded in

July

39AQI

202368AQI

8
16
5
2
3
17
5
3
5
16
10
1
22
6
1
6
25
4
26
13
18
11
20
12
18
11
20
9
16
3
7
18
5
1
90
232
34
7

Highest AQI recorded in

February

88AQI

Lowest AQI recorded in

July

52AQI

202269AQI

3
14
4
3
4
21
6
4
22
4
4
26
1
16
14
5
17
1
16
10
2
11
12
7
4
18
7
1
5
22
4
69
180
35
4

Highest AQI recorded in

February

91AQI

Lowest AQI recorded in

June

50AQI

202172AQI

4
21
6
3
16
7
2
1
18
9
1
1
1
3
25
2
7
21
1
2
4
26
15
16
14
15
2
26
4
6
25
7
17
6
7
12
11
1
97
216
44
4
3
1

Highest AQI recorded in

March

108AQI

Lowest AQI recorded in

September

43AQI

202065AQI

3
8
2
6
15
2
16
4
26
15
16
18
13
17
13
6
19
6
5
16
8
1
3
19
9
79
161
25
1

Highest AQI recorded in

December

86AQI

Lowest AQI recorded in

August

49AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2021(Avg.)
72AQI
Least Polluted Year Recorded
2024(Avg.)
64AQI

Hongseonggun Eup's annual 2025 AQI (66) shows an average percentage change of -2.4% (improved AQI) compared to previous years: 2020 (65), 2021 (72), 2022 (69), 2023 (68), 2024 (64).