Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Tangjin, 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

Tangjin, Chungnam, South Korea

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
12th Aug 2021
106AQI
Lowest AQI recorded on
10th Aug 2023
28AQI

Same Day Analysis (19th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 47 of Good 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: 20th Aug - 21st Aug 2025

Tangjin, Chungnam, South Korea

AQI
Day
Night
.

5 AM20th Aug 2025

7 PM

4 AM21st Aug 2025

Day time
Avg. Highest Time
12PM20th Aug

54AQI

Avg. Lowest Time
9AM20th Aug

41AQI

Night time
Avg. Highest Time
11PM20th Aug

50AQI

Avg. Lowest Time
2AM21st Aug

48AQI

In the last 24 hours,

Tangjin's AQI reached its highest point of 54 at 12 PM during the Day, while the lowest point, 41, was recorded at 9 AM during the Day between 20th Aug and 21st Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Tangjin, Chungnam, South Korea

JulAug
22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st
Day
Night
22nd Jul 2025505 AMAQI
22nd Jul 2025516 AMAQI
22nd Jul 2025517 AMAQI
22nd Jul 2025518 AMAQI
22nd Jul 2025359 AMAQI
22nd Jul 20253310 AMAQI
22nd Jul 20253911 AMAQI
22nd Jul 20253912 PMAQI
22nd Jul 2025401 PMAQI
22nd Jul 2025422 PMAQI
22nd Jul 2025473 PMAQI
22nd Jul 2025434 PMAQI
22nd Jul 2025445 PMAQI
22nd Jul 2025416 PMAQI
22nd Jul 2025397 PMAQI
22nd Jul 2025418 PMAQI
22nd Jul 2025479 PMAQI
22nd Jul 20254510 PMAQI
22nd Jul 20254511 PMAQI
23rd Jul 20254512 AMAQI
23rd Jul 2025461 AMAQI
23rd Jul 2025472 AMAQI
23rd Jul 2025503 AMAQI
23rd Jul 2025494 AMAQI

25°C23/27°C

23rd Jul 2025485 AMAQI
23rd Jul 2025486 AMAQI
23rd Jul 2025487 AMAQI
23rd Jul 2025488 AMAQI
23rd Jul 2025529 AMAQI
23rd Jul 20255210 AMAQI
23rd Jul 20255711 AMAQI
23rd Jul 20256312 PMAQI
23rd Jul 2025651 PMAQI
23rd Jul 2025662 PMAQI
23rd Jul 2025653 PMAQI
23rd Jul 2025604 PMAQI
23rd Jul 2025575 PMAQI
23rd Jul 2025576 PMAQI
23rd Jul 2025567 PMAQI
23rd Jul 2025428 PMAQI
23rd Jul 2025449 PMAQI
23rd Jul 20254510 PMAQI
23rd Jul 20254711 PMAQI
24th Jul 20254612 AMAQI
24th Jul 2025491 AMAQI
24th Jul 2025482 AMAQI
24th Jul 2025483 AMAQI
24th Jul 2025494 AMAQI

25°C24/27°C

24th Jul 2025515 AMAQI
24th Jul 2025516 AMAQI
24th Jul 2025517 AMAQI
24th Jul 2025528 AMAQI
24th Jul 2025489 AMAQI
24th Jul 20255110 AMAQI
24th Jul 20254811 AMAQI
24th Jul 20255012 PMAQI
24th Jul 2025551 PMAQI
24th Jul 2025602 PMAQI
24th Jul 2025663 PMAQI
24th Jul 2025664 PMAQI
24th Jul 2025635 PMAQI
24th Jul 2025636 PMAQI
24th Jul 2025607 PMAQI
24th Jul 2025588 PMAQI
24th Jul 2025559 PMAQI
24th Jul 20255610 PMAQI
24th Jul 20255511 PMAQI
25th Jul 20255512 AMAQI
25th Jul 2025541 AMAQI
25th Jul 2025512 AMAQI
25th Jul 2025503 AMAQI
25th Jul 2025504 AMAQI

25°C24/27°C

25th Jul 2025525 AMAQI
25th Jul 2025526 AMAQI
25th Jul 2025527 AMAQI
25th Jul 2025528 AMAQI
25th Jul 2025689 AMAQI
25th Jul 20257910 AMAQI
25th Jul 20258311 AMAQI
25th Jul 20258912 PMAQI
25th Jul 2025811 PMAQI
25th Jul 2025812 PMAQI
25th Jul 2025823 PMAQI
25th Jul 2025904 PMAQI
25th Jul 2025865 PMAQI
25th Jul 2025866 PMAQI
25th Jul 2025867 PMAQI
25th Jul 2025788 PMAQI
25th Jul 2025639 PMAQI
25th Jul 20256210 PMAQI
25th Jul 20256211 PMAQI
26th Jul 20256212 AMAQI
26th Jul 2025531 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025523 AMAQI
26th Jul 2025544 AMAQI

26°C24/29°C

26th Jul 2025575 AMAQI
26th Jul 2025576 AMAQI
26th Jul 2025577 AMAQI
26th Jul 2025578 AMAQI
26th Jul 2025599 AMAQI
26th Jul 20255410 AMAQI
26th Jul 20254511 AMAQI
26th Jul 20254612 PMAQI
26th Jul 2025521 PMAQI
26th Jul 2025512 PMAQI
26th Jul 2025513 PMAQI
26th Jul 2025584 PMAQI
26th Jul 2025585 PMAQI
26th Jul 2025676 PMAQI
26th Jul 2025787 PMAQI
26th Jul 2025768 PMAQI
26th Jul 2025679 PMAQI
26th Jul 20256810 PMAQI
26th Jul 20256911 PMAQI
27th Jul 20256812 AMAQI
27th Jul 2025561 AMAQI
27th Jul 2025562 AMAQI
27th Jul 2025563 AMAQI
27th Jul 2025564 AMAQI

26°C24/29°C

27th Jul 2025555 AMAQI
27th Jul 2025556 AMAQI
27th Jul 2025557 AMAQI
27th Jul 2025558 AMAQI
27th Jul 2025539 AMAQI
27th Jul 20254810 AMAQI
27th Jul 20253111 AMAQI
27th Jul 20253212 PMAQI
27th Jul 2025371 PMAQI
27th Jul 2025382 PMAQI
27th Jul 2025383 PMAQI
27th Jul 2025394 PMAQI
27th Jul 2025445 PMAQI
27th Jul 2025536 PMAQI
27th Jul 2025597 PMAQI
27th Jul 2025618 PMAQI
27th Jul 2025599 PMAQI
27th Jul 20255810 PMAQI
27th Jul 20256011 PMAQI
28th Jul 20256212 AMAQI
28th Jul 2025571 AMAQI
28th Jul 2025572 AMAQI
28th Jul 2025573 AMAQI
28th Jul 2025574 AMAQI

26°C25/29°C

28th Jul 2025555 AMAQI
28th Jul 2025556 AMAQI
28th Jul 2025547 AMAQI
28th Jul 2025558 AMAQI
28th Jul 2025759 AMAQI
28th Jul 20258410 AMAQI
28th Jul 20258411 AMAQI
28th Jul 20258412 PMAQI
28th Jul 2025811 PMAQI
28th Jul 2025762 PMAQI
28th Jul 2025783 PMAQI
28th Jul 2025774 PMAQI
28th Jul 2025725 PMAQI
28th Jul 2025696 PMAQI
28th Jul 2025697 PMAQI
28th Jul 2025658 PMAQI
28th Jul 2025609 PMAQI
28th Jul 20255910 PMAQI
28th Jul 20255911 PMAQI
29th Jul 20255812 AMAQI
29th Jul 2025581 AMAQI
29th Jul 2025572 AMAQI
29th Jul 2025583 AMAQI
29th Jul 2025594 AMAQI

26°C25/28°C

29th Jul 2025615 AMAQI
29th Jul 2025616 AMAQI
29th Jul 2025617 AMAQI
29th Jul 2025618 AMAQI
29th Jul 2025699 AMAQI
29th Jul 20257410 AMAQI
29th Jul 20257911 AMAQI
29th Jul 20258712 PMAQI
29th Jul 2025841 PMAQI
29th Jul 2025832 PMAQI
29th Jul 2025823 PMAQI
29th Jul 2025824 PMAQI
29th Jul 2025835 PMAQI
29th Jul 2025826 PMAQI
29th Jul 2025797 PMAQI
29th Jul 2025728 PMAQI
29th Jul 2025639 PMAQI
29th Jul 20256410 PMAQI
29th Jul 20256411 PMAQI
30th Jul 20256412 AMAQI
30th Jul 2025601 AMAQI
30th Jul 2025592 AMAQI
30th Jul 2025593 AMAQI
30th Jul 2025604 AMAQI

26°C24/29°C

30th Jul 2025625 AMAQI
30th Jul 2025626 AMAQI
30th Jul 2025627 AMAQI
30th Jul 2025628 AMAQI
30th Jul 2025819 AMAQI
30th Jul 20259010 AMAQI
30th Jul 20258711 AMAQI
30th Jul 20258812 PMAQI
30th Jul 2025851 PMAQI
30th Jul 2025772 PMAQI
30th Jul 2025733 PMAQI
30th Jul 2025694 PMAQI
30th Jul 2025725 PMAQI
30th Jul 2025766 PMAQI
30th Jul 2025787 PMAQI
30th Jul 2025768 PMAQI
30th Jul 2025679 PMAQI
30th Jul 20256610 PMAQI
30th Jul 20256611 PMAQI
31st Jul 20256612 AMAQI
31st Jul 2025621 AMAQI
31st Jul 2025612 AMAQI
31st Jul 2025613 AMAQI
31st Jul 2025614 AMAQI

27°C25/29°C

31st Jul 2025615 AMAQI
31st Jul 2025616 AMAQI
31st Jul 2025617 AMAQI
31st Jul 2025618 AMAQI
31st Jul 2025619 AMAQI
31st Jul 20256110 AMAQI
31st Jul 20256411 AMAQI
31st Jul 20256512 PMAQI
31st Jul 2025641 PMAQI
31st Jul 2025672 PMAQI
31st Jul 2025703 PMAQI
31st Jul 2025684 PMAQI
31st Jul 2025695 PMAQI
31st Jul 2025686 PMAQI
31st Jul 2025717 PMAQI
31st Jul 2025668 PMAQI
31st Jul 2025579 PMAQI
31st Jul 20255910 PMAQI
31st Jul 20255811 PMAQI
1st Aug 20255712 AMAQI
1st Aug 2025561 AMAQI
1st Aug 2025552 AMAQI
1st Aug 2025553 AMAQI
1st Aug 2025574 AMAQI

26°C25/28°C

1st Aug 2025565 AMAQI
1st Aug 2025576 AMAQI
1st Aug 2025577 AMAQI
1st Aug 2025568 AMAQI
1st Aug 2025679 AMAQI
1st Aug 20256510 AMAQI
1st Aug 20256311 AMAQI
1st Aug 20256212 PMAQI
1st Aug 2025591 PMAQI
1st Aug 2025662 PMAQI
1st Aug 2025683 PMAQI
1st Aug 2025644 PMAQI
1st Aug 2025725 PMAQI
1st Aug 2025646 PMAQI
1st Aug 2025667 PMAQI
1st Aug 2025608 PMAQI
1st Aug 2025589 PMAQI
1st Aug 20255910 PMAQI
1st Aug 20255911 PMAQI
2nd Aug 20255812 AMAQI
2nd Aug 2025551 AMAQI
2nd Aug 2025552 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025564 AMAQI

26°C25/28°C

2nd Aug 2025555 AMAQI
2nd Aug 2025566 AMAQI
2nd Aug 2025567 AMAQI
2nd Aug 2025568 AMAQI
2nd Aug 2025799 AMAQI
2nd Aug 20257810 AMAQI
2nd Aug 20257511 AMAQI
2nd Aug 20258312 PMAQI
2nd Aug 2025801 PMAQI
2nd Aug 2025682 PMAQI
2nd Aug 2025623 PMAQI
2nd Aug 2025644 PMAQI
2nd Aug 2025645 PMAQI
2nd Aug 2025656 PMAQI
2nd Aug 2025707 PMAQI
2nd Aug 2025608 PMAQI
2nd Aug 2025609 PMAQI
2nd Aug 20256010 PMAQI
2nd Aug 20256311 PMAQI
3rd Aug 20255812 AMAQI
3rd Aug 2025541 AMAQI
3rd Aug 2025552 AMAQI
3rd Aug 2025553 AMAQI
3rd Aug 2025574 AMAQI

27°C25/28°C

3rd Aug 2025585 AMAQI
3rd Aug 2025576 AMAQI
3rd Aug 2025587 AMAQI
3rd Aug 2025608 AMAQI
3rd Aug 2025679 AMAQI
3rd Aug 20257710 AMAQI
3rd Aug 20257511 AMAQI
3rd Aug 20257012 PMAQI
3rd Aug 2025701 PMAQI
3rd Aug 2025682 PMAQI
3rd Aug 2025703 PMAQI
3rd Aug 2025674 PMAQI
3rd Aug 2025655 PMAQI
3rd Aug 2025646 PMAQI
3rd Aug 2025617 PMAQI
3rd Aug 2025558 PMAQI
3rd Aug 2025589 PMAQI
3rd Aug 20255610 PMAQI
3rd Aug 20255211 PMAQI
4th Aug 20255312 AMAQI
4th Aug 2025561 AMAQI
4th Aug 2025562 AMAQI
4th Aug 2025573 AMAQI
4th Aug 2025584 AMAQI

25°C24/26°C

4th Aug 2025585 AMAQI
4th Aug 2025596 AMAQI
4th Aug 2025607 AMAQI
4th Aug 2025608 AMAQI
4th Aug 2025399 AMAQI
4th Aug 20254710 AMAQI
4th Aug 20255211 AMAQI
4th Aug 20254812 PMAQI
4th Aug 2025481 PMAQI
4th Aug 2025442 PMAQI
4th Aug 2025453 PMAQI
4th Aug 2025474 PMAQI
4th Aug 2025505 PMAQI
4th Aug 2025516 PMAQI
4th Aug 2025537 PMAQI
4th Aug 2025538 PMAQI
4th Aug 2025559 PMAQI
4th Aug 20255610 PMAQI
4th Aug 20255611 PMAQI
5th Aug 20255412 AMAQI
5th Aug 2025551 AMAQI
5th Aug 2025562 AMAQI
5th Aug 2025563 AMAQI
5th Aug 2025564 AMAQI

25°C24/27°C

5th Aug 2025565 AMAQI
5th Aug 2025566 AMAQI
5th Aug 2025567 AMAQI
5th Aug 2025558 AMAQI
5th Aug 2025499 AMAQI
5th Aug 20255810 AMAQI
5th Aug 20255511 AMAQI
5th Aug 20255512 PMAQI
5th Aug 2025541 PMAQI
5th Aug 2025552 PMAQI
5th Aug 2025503 PMAQI
5th Aug 2025464 PMAQI
5th Aug 2025485 PMAQI
5th Aug 2025446 PMAQI
5th Aug 2025447 PMAQI
5th Aug 2025498 PMAQI
5th Aug 2025499 PMAQI
5th Aug 20255110 PMAQI
5th Aug 20255111 PMAQI
6th Aug 20255212 AMAQI
6th Aug 2025551 AMAQI
6th Aug 2025552 AMAQI
6th Aug 2025553 AMAQI
6th Aug 2025554 AMAQI

26°C24/27°C

6th Aug 2025555 AMAQI
6th Aug 2025556 AMAQI
6th Aug 2025557 AMAQI
6th Aug 2025558 AMAQI
6th Aug 2025369 AMAQI
6th Aug 20254310 AMAQI
6th Aug 20254711 AMAQI
6th Aug 20254412 PMAQI
6th Aug 2025431 PMAQI
6th Aug 2025502 PMAQI
6th Aug 2025493 PMAQI
6th Aug 2025444 PMAQI
6th Aug 2025485 PMAQI
6th Aug 2025506 PMAQI
6th Aug 2025517 PMAQI
6th Aug 2025528 PMAQI
6th Aug 2025529 PMAQI
6th Aug 20255410 PMAQI
6th Aug 20255411 PMAQI
7th Aug 20255212 AMAQI
7th Aug 2025541 AMAQI
7th Aug 2025542 AMAQI
7th Aug 2025543 AMAQI
7th Aug 2025534 AMAQI

26°C25/27°C

7th Aug 2025535 AMAQI
7th Aug 2025536 AMAQI
7th Aug 2025547 AMAQI
7th Aug 2025538 AMAQI
7th Aug 2025449 AMAQI
7th Aug 20255110 AMAQI
7th Aug 20255411 AMAQI
7th Aug 20254912 PMAQI
7th Aug 2025541 PMAQI
7th Aug 2025522 PMAQI
7th Aug 2025473 PMAQI
7th Aug 2025424 PMAQI
7th Aug 2025415 PMAQI
7th Aug 2025416 PMAQI
7th Aug 2025417 PMAQI
7th Aug 2025448 PMAQI
7th Aug 2025499 PMAQI
7th Aug 20255010 PMAQI
7th Aug 20255011 PMAQI
8th Aug 20255112 AMAQI
8th Aug 2025531 AMAQI
8th Aug 2025522 AMAQI
8th Aug 2025533 AMAQI
8th Aug 2025534 AMAQI

25°C24/26°C

8th Aug 2025535 AMAQI
8th Aug 2025536 AMAQI
8th Aug 2025537 AMAQI
8th Aug 2025538 AMAQI
8th Aug 2025529 AMAQI
8th Aug 20255710 AMAQI
8th Aug 20255811 AMAQI
8th Aug 20256312 PMAQI
8th Aug 2025621 PMAQI
8th Aug 2025682 PMAQI
8th Aug 2025733 PMAQI
8th Aug 2025724 PMAQI
8th Aug 2025715 PMAQI
8th Aug 2025686 PMAQI
8th Aug 2025627 PMAQI
8th Aug 2025568 PMAQI
8th Aug 2025539 PMAQI
8th Aug 20255210 PMAQI
8th Aug 20255311 PMAQI
9th Aug 20255512 AMAQI
9th Aug 2025531 AMAQI
9th Aug 2025522 AMAQI
9th Aug 2025523 AMAQI
9th Aug 2025534 AMAQI

25°C23/26°C

9th Aug 2025545 AMAQI
9th Aug 2025546 AMAQI
9th Aug 2025547 AMAQI
9th Aug 2025548 AMAQI
9th Aug 2025579 AMAQI
9th Aug 20256210 AMAQI
9th Aug 20256311 AMAQI
9th Aug 20256512 PMAQI
9th Aug 2025601 PMAQI
9th Aug 2025582 PMAQI
9th Aug 2025573 PMAQI
9th Aug 2025564 PMAQI
9th Aug 2025565 PMAQI
9th Aug 2025536 PMAQI
9th Aug 2025467 PMAQI
9th Aug 2025478 PMAQI
9th Aug 2025529 PMAQI
9th Aug 20255310 PMAQI
9th Aug 20255411 PMAQI
10th Aug 20255412 AMAQI
10th Aug 2025531 AMAQI
10th Aug 2025532 AMAQI
10th Aug 2025533 AMAQI
10th Aug 2025544 AMAQI

24°C22/25°C

10th Aug 2025545 AMAQI
10th Aug 2025546 AMAQI
10th Aug 2025547 AMAQI
10th Aug 2025548 AMAQI
10th Aug 2025579 AMAQI
10th Aug 20256210 AMAQI
10th Aug 20256411 AMAQI
10th Aug 20256512 PMAQI
10th Aug 2025601 PMAQI
10th Aug 2025562 PMAQI
10th Aug 2025573 PMAQI
10th Aug 2025564 PMAQI
10th Aug 2025585 PMAQI
10th Aug 2025596 PMAQI
10th Aug 2025597 PMAQI
10th Aug 2025588 PMAQI
10th Aug 2025569 PMAQI
10th Aug 20255510 PMAQI
10th Aug 20255511 PMAQI
11th Aug 20255612 AMAQI
11th Aug 2025541 AMAQI
11th Aug 2025542 AMAQI
11th Aug 2025543 AMAQI
11th Aug 2025544 AMAQI

24°C23/26°C

11th Aug 2025555 AMAQI
11th Aug 2025556 AMAQI
11th Aug 2025557 AMAQI
11th Aug 2025558 AMAQI
11th Aug 2025699 AMAQI
11th Aug 20257510 AMAQI
11th Aug 20257611 AMAQI
11th Aug 20257512 PMAQI
11th Aug 2025711 PMAQI
11th Aug 2025722 PMAQI
11th Aug 2025643 PMAQI
11th Aug 2025584 PMAQI
11th Aug 2025585 PMAQI
11th Aug 2025596 PMAQI
11th Aug 2025567 PMAQI
11th Aug 2025538 PMAQI
11th Aug 2025549 PMAQI
11th Aug 20255410 PMAQI
11th Aug 20255311 PMAQI
12th Aug 20255612 AMAQI
12th Aug 2025551 AMAQI
12th Aug 2025542 AMAQI
12th Aug 2025533 AMAQI
12th Aug 2025544 AMAQI

24°C23/26°C

12th Aug 2025555 AMAQI
12th Aug 2025546 AMAQI
12th Aug 2025557 AMAQI
12th Aug 2025548 AMAQI
12th Aug 2025569 AMAQI
12th Aug 20255710 AMAQI
12th Aug 20255211 AMAQI
12th Aug 20255412 PMAQI
12th Aug 2025551 PMAQI
12th Aug 2025522 PMAQI
12th Aug 2025493 PMAQI
12th Aug 2025454 PMAQI
12th Aug 2025395 PMAQI
12th Aug 2025386 PMAQI
12th Aug 2025407 PMAQI
12th Aug 2025478 PMAQI
12th Aug 2025509 PMAQI
12th Aug 20255010 PMAQI
12th Aug 20254911 PMAQI
13th Aug 20254712 AMAQI
13th Aug 2025541 AMAQI
13th Aug 2025542 AMAQI
13th Aug 2025533 AMAQI
13th Aug 2025534 AMAQI

25°C23/28°C

13th Aug 2025535 AMAQI
13th Aug 2025536 AMAQI
13th Aug 2025537 AMAQI
13th Aug 2025538 AMAQI
13th Aug 2025359 AMAQI
13th Aug 20253810 AMAQI
13th Aug 20253411 AMAQI
13th Aug 20253112 PMAQI
13th Aug 2025361 PMAQI
13th Aug 2025382 PMAQI
13th Aug 2025443 PMAQI
13th Aug 2025364 PMAQI
13th Aug 2025435 PMAQI
13th Aug 2025376 PMAQI
13th Aug 2025407 PMAQI
13th Aug 2025438 PMAQI
13th Aug 2025459 PMAQI
13th Aug 20254810 PMAQI
13th Aug 20254211 PMAQI
14th Aug 20254912 AMAQI
14th Aug 2025501 AMAQI
14th Aug 2025532 AMAQI
14th Aug 2025523 AMAQI
14th Aug 2025494 AMAQI

25°C24/27°C

14th Aug 2025495 AMAQI
14th Aug 2025496 AMAQI
14th Aug 2025487 AMAQI
14th Aug 2025508 AMAQI
14th Aug 2025299 AMAQI
14th Aug 20253410 AMAQI
14th Aug 20253011 AMAQI
14th Aug 20253312 PMAQI
14th Aug 2025371 PMAQI
14th Aug 2025362 PMAQI
14th Aug 2025383 PMAQI
14th Aug 2025384 PMAQI
14th Aug 2025405 PMAQI
14th Aug 2025406 PMAQI
14th Aug 2025407 PMAQI
14th Aug 2025438 PMAQI
14th Aug 2025419 PMAQI
14th Aug 20254510 PMAQI
14th Aug 20254411 PMAQI
15th Aug 20254612 AMAQI
15th Aug 2025491 AMAQI
15th Aug 2025492 AMAQI
15th Aug 2025483 AMAQI
15th Aug 2025474 AMAQI

25°C24/26°C

15th Aug 2025465 AMAQI
15th Aug 2025456 AMAQI
15th Aug 2025467 AMAQI
15th Aug 2025448 AMAQI
15th Aug 2025339 AMAQI
15th Aug 20253910 AMAQI
15th Aug 20253611 AMAQI
15th Aug 20253712 PMAQI
15th Aug 2025421 PMAQI
15th Aug 2025392 PMAQI
15th Aug 2025443 PMAQI
15th Aug 2025424 PMAQI
15th Aug 2025335 PMAQI
15th Aug 2025386 PMAQI
15th Aug 2025387 PMAQI
15th Aug 2025398 PMAQI
15th Aug 2025409 PMAQI
15th Aug 20254010 PMAQI
15th Aug 20254011 PMAQI
16th Aug 20254112 AMAQI
16th Aug 2025451 AMAQI
16th Aug 2025442 AMAQI
16th Aug 2025453 AMAQI
16th Aug 2025444 AMAQI

26°C24/27°C

16th Aug 2025435 AMAQI
16th Aug 2025436 AMAQI
16th Aug 2025447 AMAQI
16th Aug 2025448 AMAQI
16th Aug 2025239 AMAQI
16th Aug 20253310 AMAQI
16th Aug 20253411 AMAQI
16th Aug 20253312 PMAQI
16th Aug 2025451 PMAQI
16th Aug 2025382 PMAQI
16th Aug 2025353 PMAQI
16th Aug 2025414 PMAQI
16th Aug 2025395 PMAQI
16th Aug 2025316 PMAQI
16th Aug 2025307 PMAQI
16th Aug 2025358 PMAQI
16th Aug 2025399 PMAQI
16th Aug 20253510 PMAQI
16th Aug 20253711 PMAQI
17th Aug 20253812 AMAQI
17th Aug 2025421 AMAQI
17th Aug 2025432 AMAQI
17th Aug 2025433 AMAQI
17th Aug 2025414 AMAQI

26°C25/28°C

17th Aug 2025415 AMAQI
17th Aug 2025426 AMAQI
17th Aug 2025417 AMAQI
17th Aug 2025408 AMAQI
17th Aug 2025319 AMAQI
17th Aug 20253110 AMAQI
17th Aug 20252811 AMAQI
17th Aug 20252712 PMAQI
17th Aug 2025381 PMAQI
17th Aug 2025412 PMAQI
17th Aug 2025453 PMAQI
17th Aug 2025414 PMAQI
17th Aug 2025445 PMAQI
17th Aug 2025416 PMAQI
17th Aug 2025467 PMAQI
17th Aug 2025478 PMAQI
17th Aug 2025459 PMAQI
17th Aug 20254610 PMAQI
17th Aug 20254711 PMAQI
18th Aug 20254912 AMAQI
18th Aug 2025441 AMAQI
18th Aug 2025412 AMAQI
18th Aug 2025403 AMAQI
18th Aug 2025404 AMAQI

26°C25/28°C

18th Aug 2025405 AMAQI
18th Aug 2025416 AMAQI
18th Aug 2025417 AMAQI
18th Aug 2025418 AMAQI
18th Aug 2025549 AMAQI
18th Aug 20255710 AMAQI
18th Aug 20255911 AMAQI
18th Aug 20255612 PMAQI
18th Aug 2025601 PMAQI
18th Aug 2025592 PMAQI
18th Aug 2025593 PMAQI
18th Aug 2025594 PMAQI
18th Aug 2025595 PMAQI
18th Aug 2025596 PMAQI
18th Aug 2025607 PMAQI
18th Aug 2025548 PMAQI
18th Aug 2025549 PMAQI
18th Aug 20255410 PMAQI
18th Aug 20255011 PMAQI
19th Aug 20254812 AMAQI
19th Aug 2025461 AMAQI
19th Aug 2025432 AMAQI
19th Aug 2025423 AMAQI
19th Aug 2025464 AMAQI

26°C25/28°C

19th Aug 2025485 AMAQI
19th Aug 2025496 AMAQI
19th Aug 2025487 AMAQI
19th Aug 2025498 AMAQI
19th Aug 2025409 AMAQI
19th Aug 20254810 AMAQI
19th Aug 20253311 AMAQI
19th Aug 20255012 PMAQI
19th Aug 2025521 PMAQI
19th Aug 2025492 PMAQI
19th Aug 2025443 PMAQI
19th Aug 2025484 PMAQI
19th Aug 2025495 PMAQI
19th Aug 2025506 PMAQI
19th Aug 2025487 PMAQI
19th Aug 2025498 PMAQI
19th Aug 2025489 PMAQI
19th Aug 20254810 PMAQI
19th Aug 20254711 PMAQI
20th Aug 20254912 AMAQI
20th Aug 2025481 AMAQI
20th Aug 2025482 AMAQI
20th Aug 2025473 AMAQI
20th Aug 2025494 AMAQI

27°C25/28°C

20th Aug 2025485 AMAQI
20th Aug 2025486 AMAQI
20th Aug 2025487 AMAQI
20th Aug 2025488 AMAQI
20th Aug 2025419 AMAQI
20th Aug 20254710 AMAQI
20th Aug 20254611 AMAQI
20th Aug 20255412 PMAQI
20th Aug 2025511 PMAQI
20th Aug 2025472 PMAQI
20th Aug 2025453 PMAQI
20th Aug 2025544 PMAQI
20th Aug 2025465 PMAQI
20th Aug 2025466 PMAQI
20th Aug 2025487 PMAQI
20th Aug 2025498 PMAQI
20th Aug 2025489 PMAQI
20th Aug 20254810 PMAQI
20th Aug 20255011 PMAQI
21st Aug 20254912 AMAQI
21st Aug 2025481 AMAQI
21st Aug 2025482 AMAQI
21st Aug 2025493 AMAQI
21st Aug 2025494 AMAQI

27°C25/29°C

21st Aug 2025495 AMAQI
5 AM
21st Aug 2025506 AMAQI
21st Aug 2025497 AMAQI
21st Aug 2025498 AMAQI
21st Aug 2025489 AMAQI
21st Aug 20254910 AMAQI
21st Aug 20255011 AMAQI
21st Aug 20255012 PMAQI
12 PM
7 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
10 AM - 7 PM

56AQI

10 hours / Day
300 hours / Month
Avg. Lowest Time
5 AM - 9 AM

53AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 7 PM (Avg. 56), while the lowest AQI was between 5 AM to 9 AM (Avg. 53).
Night time
Avg. Highest Time
12 AM - 11 PM

53AQI

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

53AQI

9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 53), while the lowest AQI was between 12 AM to 11 PM (Avg. 53).

2025 Days Vs Air Quality

Tangjin, Chungnam, South Korea

2025

11%

25

80%

185

9%

21

Total number of days with different AQI categories in last 233 days in 2025 (132 days remaining)

Good
25 Days
Moderate
185 Days
Poor
21 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 11%

Health Risk Level:

Extreme

In 2025, 11% of 233 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

Tangjin, 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
78AQI
2nd January 2025
63AQI
3rd January 2025
64AQI
4th January 2025
66AQI
5th January 2025
67AQI
6th January 2025
89AQI
7th January 2025
60AQI
8th January 2025
69AQI
9th January 2025
48AQI
10th January 2025
62AQI
11th January 2025
65AQI
12th January 2025
82AQI
13th January 2025
90AQI
14th January 2025
104AQI
15th January 2025
60AQI
16th January 2025
76AQI
17th January 2025
77AQI
18th January 2025
84AQI
19th January 2025
84AQI
20th January 2025
129AQI
21st January 2025
136AQI
22nd January 2025
143AQI
23rd January 2025
114AQI
24th January 2025
128AQI
25th January 2025
86AQI
26th January 2025
71AQI
27th January 2025
71AQI
28th January 2025
61AQI
29th January 2025
62AQI
30th January 2025
59AQI
31st January 2025
82AQI
1st February 2025
92AQI
2nd February 2025
106AQI
3rd February 2025
62AQI
4th February 2025
59AQI
5th February 2025
51AQI
6th February 2025
58AQI
7th February 2025
53AQI
8th February 2025
49AQI
9th February 2025
55AQI
10th February 2025
60AQI
11th February 2025
86AQI
12th February 2025
78AQI
13th February 2025
59AQI
14th February 2025
89AQI
15th February 2025
63AQI
16th February 2025
114AQI
17th February 2025
56AQI
18th February 2025
67AQI
19th February 2025
51AQI
20th February 2025
59AQI
21st February 2025
59AQI
22nd February 2025
62AQI
23rd February 2025
59AQI
24th February 2025
60AQI
25th February 2025
58AQI
26th February 2025
77AQI
27th February 2025
69AQI
28th February 2025
88AQI
1st March 2025
109AQI
2nd March 2025
90AQI
3rd March 2025
60AQI
4th March 2025
50AQI
5th March 2025
45AQI
6th March 2025
84AQI
7th March 2025
95AQI
8th March 2025
94AQI
9th March 2025
114AQI
10th March 2025
123AQI
11th March 2025
116AQI
12th March 2025
113AQI
13th March 2025
101AQI
14th March 2025
90AQI
15th March 2025
68AQI
16th March 2025
82AQI
17th March 2025
71AQI
18th March 2025
86AQI
19th March 2025
85AQI
20th March 2025
101AQI
21st March 2025
105AQI
22nd March 2025
116AQI
23rd March 2025
123AQI
24th March 2025
120AQI
25th March 2025
134AQI
26th March 2025
102AQI
27th March 2025
98AQI
28th March 2025
68AQI
29th March 2025
58AQI
30th March 2025
54AQI
31st March 2025
70AQI
1st April 2025
82AQI
2nd April 2025
92AQI
3rd April 2025
97AQI
4th April 2025
96AQI
5th April 2025
87AQI
6th April 2025
75AQI
7th April 2025
79AQI
8th April 2025
83AQI
9th April 2025
79AQI
10th April 2025
85AQI
11th April 2025
97AQI
12th April 2025
74AQI
13th April 2025
70AQI
14th April 2025
51AQI
15th April 2025
66AQI
16th April 2025
65AQI
17th April 2025
73AQI
18th April 2025
80AQI
19th April 2025
57AQI
20th April 2025
74AQI
21st April 2025
67AQI
22nd April 2025
58AQI
23rd April 2025
54AQI
24th April 2025
73AQI
25th April 2025
63AQI
26th April 2025
60AQI
27th April 2025
48AQI
28th April 2025
67AQI
29th April 2025
75AQI
30th April 2025
64AQI
1st May 2025
67AQI
2nd May 2025
58AQI
3rd May 2025
56AQI
4th May 2025
52AQI
5th May 2025
57AQI
6th May 2025
54AQI
7th May 2025
58AQI
8th May 2025
70AQI
9th May 2025
56AQI
10th May 2025
66AQI
11th May 2025
76AQI
12th May 2025
76AQI
13th May 2025
79AQI
14th May 2025
78AQI
15th May 2025
63AQI
16th May 2025
57AQI
17th May 2025
48AQI
18th May 2025
61AQI
19th May 2025
62AQI
20th May 2025
42AQI
21st May 2025
53AQI
22nd May 2025
55AQI
23rd May 2025
65AQI
24th May 2025
54AQI
25th May 2025
54AQI
26th May 2025
71AQI
27th May 2025
83AQI
28th May 2025
88AQI
29th May 2025
88AQI
30th May 2025
93AQI
31st May 2025
100AQI
1st June 2025
98AQI
2nd June 2025
98AQI
3rd June 2025
75AQI
4th June 2025
63AQI
5th June 2025
60AQI
6th June 2025
61AQI
7th June 2025
68AQI
8th June 2025
59AQI
9th June 2025
63AQI
10th June 2025
56AQI
11th June 2025
59AQI
12th June 2025
66AQI
13th June 2025
73AQI
14th June 2025
67AQI
15th June 2025
58AQI
16th June 2025
63AQI
17th June 2025
63AQI
18th June 2025
65AQI
19th June 2025
65AQI
20th June 2025
53AQI
21st June 2025
55AQI
22nd June 2025
55AQI
23rd June 2025
63AQI
24th June 2025
61AQI
25th June 2025
53AQI
26th June 2025
56AQI
27th June 2025
66AQI
28th June 2025
61AQI
29th June 2025
52AQI
30th June 2025
50AQI
1st July 2025
48AQI
2nd July 2025
50AQI
3rd July 2025
56AQI
4th July 2025
53AQI
5th July 2025
51AQI
6th July 2025
52AQI
7th July 2025
59AQI
8th July 2025
66AQI
9th July 2025
56AQI
10th July 2025
55AQI
11th July 2025
55AQI
12th July 2025
54AQI
13th July 2025
64AQI
14th July 2025
60AQI
15th July 2025
48AQI
16th July 2025
55AQI
17th July 2025
44AQI
18th July 2025
49AQI
19th July 2025
40AQI
20th July 2025
45AQI
21st July 2025
44AQI
22nd July 2025
44AQI
23rd July 2025
51AQI
24th July 2025
54AQI
25th July 2025
67AQI
26th July 2025
59AQI
27th July 2025
53AQI
28th July 2025
65AQI
29th July 2025
69AQI
30th July 2025
69AQI
31st July 2025
63AQI
1st August 2025
60AQI
2nd August 2025
63AQI
3rd August 2025
61AQI
4th August 2025
53AQI
5th August 2025
52AQI
6th August 2025
51AQI
7th August 2025
50AQI
8th August 2025
57AQI
9th August 2025
54AQI
10th August 2025
56AQI
11th August 2025
59AQI
12th August 2025
52AQI
13th August 2025
44AQI
14th August 2025
44AQI
15th August 2025
42AQI
16th August 2025
39AQI
17th August 2025
41AQI
18th August 2025
50AQI
19th August 2025
47AQI

82AQI

68AQI

91AQI

73AQI

66AQI

64AQI

55AQI

51AQI

No. of days

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

202570AQI

1
24
6
1
25
2
2
16
13
1
29
2
29
1
29
9
22
8
11
25
185
21

Highest AQI recorded in

March

91AQI

Lowest AQI recorded in

August

51AQI

202470AQI

6
16
8
1
7
13
8
1
4
20
5
2
1
23
6
4
25
2
1
29
22
7
2
8
23
20
10
7
22
2
5
20
5
1
30
86
238
38
4

Highest AQI recorded in

April

89AQI

Lowest AQI recorded in

September

48AQI

202374AQI

3
18
7
3
13
11
4
2
14
14
1
23
5
2
5
24
2
4
26
13
17
1
13
18
13
17
9
19
3
9
15
5
10
14
6
1
81
218
54
11

Highest AQI recorded in

February

105AQI

Lowest AQI recorded in

September

53AQI

202276AQI

20
8
3
1
11
6
3
3
20
8
4
15
11
5
23
3
16
14
3
22
2
12
14
3
10
14
7
3
13
12
2
3
24
4
62
190
62
8

Highest AQI recorded in

February

95AQI

Lowest AQI recorded in

August

41AQI

202176AQI

6
18
7
1
16
8
3
1
14
10
4
1
1
3
23
4
5
20
4
2
4
22
4
12
18
1
16
14
1
24
6
9
21
1
5
17
6
2
7
12
11
1
93
201
57
10
1
3

Highest AQI recorded in

March

114AQI

Lowest AQI recorded in

September

41AQI

202069AQI

2
8
3
3
17
1
2
12
4
2
26
2
14
15
2
15
16
17
13
8
19
4
5
16
8
1
5
18
8
73
160
32
1

Highest AQI recorded in

November

83AQI

Lowest AQI recorded in

September

52AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2022(Avg.)
76AQI
Least Polluted Year Recorded
2020(Avg.)
69AQI

Tangjin's annual 2025 AQI (70) shows an average percentage change of -4.7% (improved AQI) compared to previous years: 2020 (69), 2021 (76), 2022 (76), 2023 (74), 2024 (70).